CN103033075B - Plastic radiating and ventilating water heater and making method thereof - Google Patents
Plastic radiating and ventilating water heater and making method thereof Download PDFInfo
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- CN103033075B CN103033075B CN201210501034.XA CN201210501034A CN103033075B CN 103033075 B CN103033075 B CN 103033075B CN 201210501034 A CN201210501034 A CN 201210501034A CN 103033075 B CN103033075 B CN 103033075B
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- pipe
- running water
- heat
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- heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a plastic radiating and ventilating water heater used in the field of heating and bath radiating and ventilating water heaters adopting hot water as a heat medium and relates to a method for making the radiating and ventilating water heater and a material thereof. The plastic radiating and ventilating water heater comprises an injection-molded structure or a molded sectional material and is characterized in that a coaxial heat exchanger is provided with heating medium channels and heated medium channels; a plurality of heat exchange pipes and a plurality of heated medium pipes are axially arranged in a sleeving way, the pipes with a bigger diameter are arranged outside the pipes with a smaller diameter in a sleeving way, and the heated medium pipes are arranged on the outermost layer; lock catch grooves of the heated medium channels and the heat exchange pipes, which are connected in series and communicated are fixedly connected with heat exchange abnormal pipes in a way of directly plugging in built-in lock catches and bonding under a heated condition, or in a way of directly plugging in the built-in lock catches and bonding with a glue solution, or in a way of direct-plug-in heated bonding and glue solution bonding; or the lock catch grooves and the abnormal heat exchange pipes are injection-molded into a whole by a die. The plastic radiating and ventilating water heater belongs to a novel radiating and ventilating water heater which can avoid oxidation or alkali corrosion problems, has excellent heat radiation and conduction properties and long service life, and can overcome the defect that the environment is worsened by the water quality of the heat medium.
Description
Technical field
The present invention relates to and be a kind ofly applied to heating that hot water is heating agent and have a bath by loose, that plastics that are hot water exchanger field fall apart hot water exchanger and material and loose hot water exchanger preparation method.
Background technology
The existing heating multiplex various metal material of loose hot water exchanger is made, energy consumption is large, have that construction cost is high, complicated process of preparation, be easily corroded, pipeline globality is poor, easily leak, loose hot water exchanger life-span under northern China current thumping majority heating system service condition of copper and steel, all at about 3-5, is not inconsistent the requirement of sharing and building 15 year service life of the radiator industry committee of portion Eleventh Five-Year Plan requirement.Since mid-term in 20th century, the exploitation of plastic pipe PP Pipe Compound and the use of plastic conduit are being carried out in countries in the world particularly developed country always.
Nearly ten years, plastic conduit development is very rapid, plastic pipe is in life and commercial Application, more and more favored with its Environmental Safety, play important, irreplaceable effect, particularly in building industry, plastic pipe can not only in a large number Dai Gang, Dai Mu, substitute traditional construction material, but also there is energy-conservation, material-saving, protecting ecology, improve living environment, improve building function and quality, reduce structural weight per square meter, the advantage such as convenient of being completed, be widely used in the fields such as building water supply and drainage, cities and towns plumbing and Gas Pipe; The growth rate of plastic pipe is about 4 times of tubing average speed of growth, far away higher than the growth development speed of every country national economy.The trend that cast iron pipe and coating steel pipe have become new century development is substituted with environment-friendly plastic pipe.Plastic pipe, in developed country, obtains successfully development especially and uses widely in Europe; Relatively lag behind in the development of China, but in recent years along with the enhancing of china's overall national strength, the raising of living standards of the people, plastic conduit obtains the development of advancing by leaps and bounds.
Summary of the invention
The object of the invention is to overcome the shortcoming having loose hot water exchanger and be difficult to overcome, the HDPE polyethylene heat-conducting plastic that a kind of body is light, corrosion-resistant, high-low temperature resistant, long service life, cost are low is provided, utilizes this material to prepare fall apart hot water exchanger or column type of various post aerofoil profile plastics and to fall apart hot water exchanger and preparation method.For achieving the above object, technical scheme of the present invention is:
Plastics fall apart hot water exchanger, comprise injection structure or shaping section bar, it is characterized in that: coaxial heat-exchanger has heating medium passage and heated medium passage;
Several heat exchanger tubes and several heated medium pipes are coaxially nested, the pipe that the pipe box diameter that diameter is large is little, and outermost layer is heated medium pipe;
The lock buckling groove that several serial connection UNICOM heated medium passages comprise heated medium pipe is connected with heat exchange special pipe straight cutting built-in snap close caking or straight cutting built-in snap close glue is bondingly connected, straight cutting caking and glue bonding be connected or with mold injection integrally;
The lock buckling groove that several serial connection UNICOM heating medium passage comprise several heat exchanger tubes is connected with heat exchange special pipe straight cutting built-in snap close caking or straight cutting built-in snap close glue is bondingly connected, straight cutting caking and glue bonding be connected or with mold injection integrally;
Heated medium pipe can adopt bellows or ribbed finned tube;
Heated medium pipe import plug outlet plug metal or similar Plastic cap hot melt, glue are bonding or screw thread is connected shutoff, several heat exchanger tube import exports are connected with plug nut, washer locking;
Heated medium pipe import silk head outlet silk head nut, washer locking connects or with mold injection integrally;
Several heat exchanger tubes outlet silk head and three-way connection are connected and installed vent valve.
Described plastics fall apart hot water exchanger, to comprise in several serial connection running water stretching heat pipes of UNICOMs, heat pipe connectedness, steam heating pipe, interior pipe connectedness, connector, interior circular circular arc closing end, little interior circular circular arc closing end, vent valve, heating installation import in Threaded Connector Coupling, heating outlet in Threaded Connector Coupling, running water water inlet Threaded Connector Coupling, relief valve composition in Threaded Connector Coupling, running water outlet, it is characterized in that:
The two ends place of several running water stretching heat pipes and heat pipe connectedness are connected in series to be communicated with connector injection moulding and form rectangle;
Plastics fall apart hot water exchanger laterally or erect and put;
Running water stretching heat pipe, steam heating pipe, heat pipe connectedness and interior pipe connectedness are cylindrical square or oblate;
Steam heating pipe described in several is connected between two parties and is placed in described running water stretching heat pipe, is connected in series to be communicated with to form rectangle with the injection moulding of interior pipe connectedness;
Running water stretching heat pipe described in several, several strip boss of shaping there are is outer radial internal diameter to draw to stretch at the body circumference of described running water stretching heat pipe, described boss is distributed on described internal diameter of tube body circumference by some sections, the shape of the described strip boss of stretch forming or helically shaped or one-tenth polygonal boss, the thickness of pipe wall of described body is 1mm ~ 20mm;
In described in several, circular circular arc closing end is connected with described running water stretching heat pipe two ends injection moulding or docks injection moulding and is connected, little interior circular circular arc closing end described in several is connected with the injection moulding of steam heating pipe two ends or docks injection moulding and is connected, and vent valve is connected in one end of steam heating pipe and described running water stretching heat pipe;
In described heating installation import, Threaded Connector Coupling is connected in left end or the right-hand member of pipe on steam heating pipe and described running water stretching heat pipe, and in heating outlet, Threaded Connector Coupling is connected in left end or the right-hand member of pipe under steam heating pipe and described running water stretching heat pipe;
In running water water inlet, Threaded Connector Coupling is connected in one end of pipe under described running water stretching heat pipe, and in running water outlet, Threaded Connector Coupling is connected in one end of pipe on described running water stretching heat pipe and is connected with relief valve;
In described two adjacent running water stretching heat pipes and heat pipe connectedness adopt, the injection moulding of pipe flange flat mouth is connected, and in described in two adjacent described steam heating pipes and, pipe connectedness adopts interior pipe flange flat mouth injection moulding to be connected.
Described plastics fall apart hot water exchanger, it is characterized in that:
The running water heat absorption outer tube of more than two and two, the termination of running water heat absorption outer tube is fixedly connected with the outer channel closure of running water heat absorption, heating tube is provided with in running water heat absorption outer tube, be communicated with by running water communicating pipe between running water heat absorption outer tube, be communicated with by heating tube communicating pipe between heating tube; Heating installation import and heating outlet are fixedly communicated with going out to hold with the inlet side of heating tube respectively, and the inlet side that running water inlet and running water export the outer tube that absorbs heat with running water respectively is fixedly communicated with going out to hold;
Being provided with in running water heat absorption pipe in described part or all of heating tube or not arranging pipe in running water heat absorption, in running water heat absorption, the absorb heat cavity of outer tube of pipe and running water is communicated with;
Described heating tube communicating pipe is provided with accordingly in described running water communicating pipe;
The outer channel closure of described running water heat absorption outwards or to in-flanges, is embedded in running water heat absorption outer tube port, running water absorb heat the flange of outer channel closure and running water absorb heat outer tube port limit and connect, bilateral alignment pinch marginal not and mould and be connected;
The outer channel closure of described running water heat absorption is outer convex end socket, and limit is outside or to in-flanges; Or be indent arc end socket, limit is outwards or to in-flanges; Or it is plate shaped outwards or to in-flanges; Or outwards, inwardly boss shape outwards or to in-flanges.
Described plastics fall apart hot water exchanger, it is characterized in that:
Two headers, header are fixedly connected with heating installation import, heating outlet, running water inlet and running water outlet; Be fixedly connected with plural heat supply outer tube between two headers, heat supply outer tube is communicated with by header; Be installed with running water endothermic tube in heat supply outer tube, running water endothermic tube is what be communicated with, the running water outlet described in the connection of one end of running water endothermic tube, the running water inlet described in other end connection of running water endothermic tube;
Be provided with pipe in heat supply in described part or all of running water endothermic tube, in heat supply, pipe communicates with header;
Described header is pipe header or D shape header; By tap water direct communicating pipe serial communication between described running water endothermic tube, tap water direct communicating pipe is positioned at header;
Described header is pipe header, and each header comprises two arc plates, each arc plate edges of boards outward flanging, and two corresponding bilateral alignment of arc plate edges of boards are pinched marginal not and are moulded tubular header cylindrical shell; The two-port of header cylindrical shell is injected with header end socket closure plate respectively, and header end socket closure plate outward flanging is embedded in the two-port of tubular header, and bilateral alignment also connects, pinches marginal not and be moulded header; Arc plate leaves installing hole, and installing hole is stretched stretching limit in arc; Heat supply outer tube is according to arc plate stretching aperture and stretchable holes limit height, and two ends end face R1mm angle crop, inserts in installing hole that arc plate stretches, coincide consistent and connects, pinches marginal not and mould connection; One end pipe wall one side of running water endothermic tube rushes porose, the tube wall corresponding surface of another corresponding running water endothermic tube termination rushes porose, the two inside stretched limits of corresponding aperture, tap water direct communicating pipe two ends end face R1mm angle crop, inserts bilateral alignment in running water endothermic tube end face stretchable holes tap water direct communicating pipe and coincide and pinch marginal not and mould connection;
Described running water endothermic tube port is connected with running water endothermic tube end socket closure plate, and running water endothermic tube end socket closure plate outward flanging, is embedded in running water endothermic tube port, and bilateral alignment also connects and pinches marginal not and mould connection; The punching of running water endothermic tube end socket closure plate has centre bore to turning up, and pinch side ring with the bilateral pipe mouth of pipe in heat supply that aligns in mouth of pipe limit of pipe in the heat supply of inserting in running water endothermic tube and stitch injection moulding and be connected, in heat supply, the two ends of pipe communicate with the header of both sides;
One or more flow distribution plate is provided with in a described header wherein;
U-bend is held in described running water endothermic tube one end, and the other end is communicated with the injection moulding of tap water direct communicating pipe;
For horizontally-mounted heat exchanger, heating installation import, heating outlet are separately positioned on header sidewall upper and lower position, one end, and the outlet of running water inlet, running water is separately positioned on the upper-lower position of same end header end socket closure plate; Fall apart for plastics the installation of hot water exchanger, heating installation import, heating outlet are separately positioned on the right position of bottom header outer wall, and running water outlet, running water inlet are separately positioned on the left and right end socket closure plate of same bottom header;
Described header is D shape header; Header comprises: C shape header housing, orifice plate and header end socket closure plate, and header end socket closure plate surrounding is with flange; The limit that aperture plate center rushes porose inside stretchable holes and the running water bilateral tight connecting connecing of aliging in the limit of the outer tube mouth of pipe that absorbs heat is pinched marginal not and is moulded and be communicated with; The plate angle butt welding of orifice plate both sides is led in succession, and the exterior angle end punching of tap water direct communicating pipe is inserted seal of tube injection moulding in heat supply and connected, and in heat supply, pipe communicates with header;
Described plastics fall apart hot water exchanger, comprise water storage courage and heating pipe composition, it is characterized in that:
Be provided with running water inlet, running water outlet and sewage draining exit in the bottom of water storage courage, the two ends of heating pipe are respectively provided with heating installation and import and export, and running water outlet is provided with running water outlet pipe;
Described heating installation imports and exports the both sides being located at water storage courage, and coaxially;
Described heating pipe is the spring shape bending or be bent downwardly winding up and down;
Heat-transfer pipe wherein, heated medium pipe, to be made up of in 100-150 order conductive powder the moulding compound of 100-130 weight portion and the granularity of 10-30 weight portion, to manage with plastics PP-R or UPVC or PEX pipe or polyethylene pipe or poly-third pipe or PAP connect.
Described plastics fall apart hot water exchanger, and comprise preparation method, its additional technical feature is:
Moulding compound is PE-RT, DMC, BMC or SMC moulding compound; To fall apart hot water exchanger structure single injection-molded abnormity header and the little pipe of the large pipe box diameter of diameter at described plastics, that the air duct with each self-forming convection current of heating installation water entrance imported and exported by running water, being injection molded into some posts falls apart after hot water exchanger, with similar Plastic cap hot melt shutoff bottom die core-drawing hole, the loose hot water exchanger of sweating welder composition specification requirement, electrostatic spraying again, test stone is pressed JG143-2002 inspection and is implemented.
Prepare the fall apart technique of hot water exchanger of above-mentioned plastics to comprise the following steps:
First step delivery plastics and conductive powder mixing;
The material mixed is put into mould at the temperature of the pressure of 25-28Mpa and 150-165 DEG C by second step
Hot synthetic type, prepares and forms plastics and to fall apart the interior tube shell of hot water exchanger.
Patent of the present invention with existing relate to mould base-material heat-conductive composite material compared with, there is obvious advantage, there is substantive distinguishing features and significant progressive:
1, flexibility: because PE-RT is comparatively soft, easy integral molded plastic falls apart the various shape of hot water exchanger.Therefore processing cost is relatively low;
2, thermal conductivity: the now tubing of floor heating many employings PE-RT's, its heat conductivility is better, is the twice of PP-R, PP-B tubing for the fall apart thermal conductivity factor of hot water exchanger of integral molded plastic.Be applicable to very much loose hot water exchanger, floor heating use;
3. heat-resisting quantity: PE-RT is high temperature resistant reaches 90 DEG C, and PEX can only reach 65 DEG C;
4, the low-temperature impact-resistant performance of low temperature thermal impact: PE--RT is relatively good, and during winter construction, tubing is not vulnerable to impact and break, and adds the flexibility of construction and installation, particularly shock-resistantly during rising-heat contracting-cold not to break;
5, the feature of environmental protection: PE-RT and PP-R can recycle, free from environmental pollution.And PEX can not reclaim and can produce secondary pollution;
6, there is the problem such as the degree of cross linking and the crosslinked uniformity of control in processing characteristics stability: PEX, processed complex and processing directly affects pipe performance; And PE-RT and PP-R processing is easy, pipe performance is decided by raw material substantially, Performance comparision is stablized, PE-RT is the abbreviation of Polyethylene Raised Temperature, it is formed by vinyl monomer and the copolymerization of 1-octene monomers, be specially heating system and the Midst density ethylene-octene copolymer that designs, it has sharp molecular weight distribution, octene is evenly distributed on the special molecular structure on main polymer chain, it had both retained the advantages such as the original sanitation performance of PE and processing characteristics, enhanced again a kind of novel tube PP Pipe Compound of high temperature durability.Be mainly used in the hot water/heating pipe field in building with the tubing that this raw material is produced, its endurance quality is identical with the life-span of building, minimumly reaches 50 years, and also have good recyclability, added value is high simultaneously; Heating plastics of the present invention fall apart hot water exchanger be can stop oxygen or caustic corrosion problem, thermal diffusivity is remarkable, long perfomance life, the novel loose hot water exchanger without any requirement to heating agent water quality adverse circumstances, overall plastic system can be linked to be with the plastic conduit not with oxidation prevention layer, greatly extend heating system service life, significantly reduce heating cost.
Accompanying drawing explanation
Fig. 1 to Fig. 4, plastics fall apart the coaxial heat exchange structure schematic diagram of hot water exchanger
Fig. 5 to Fig. 7, plastics fall apart, and the turbulent flow of hot water exchanger is self-cleaning subtracts interior pressure water heater structure schematic diagram
Fig. 5-1, plastics fall apart, and the turbulent flow of hot water exchanger is self-cleaning subtracts interior pressure water heater partial schematic diagram
Fig. 8, plastics fall apart the two recuperator structural representation of connection of hot water exchanger
Fig. 9 to Figure 10, plastics fall apart the header heating tube multichannel heat transfer heat exchanger structural representation of hot water exchanger
Fig. 9-1 to Fig. 9-2, plastics fall apart the header heating tube multichannel heat transfer heat exchanger partial schematic diagram of hot water exchanger
Figure 10-1, plastics fall apart the header heating tube multichannel heat transfer heat exchanger partial schematic diagram of hot water exchanger
Figure 11, plastics fall apart the storage water heater heating installation water heater structure schematic diagram of hot water exchanger
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
As shown in Figures 1 to 4, plastics fall apart hot water exchanger, comprise injection structure or shaping section bar, it is characterized in that in the present invention:
Coaxial heat-exchanger has heating medium passage and heated medium passage;
Several heat exchanger tubes (2) and several heated medium pipes (1) are coaxially nested, the pipe that the pipe box diameter that diameter is large is little, and outermost layer is heated medium pipe (1);
The lock buckling groove (14) that several serial connection UNICOM heated medium passages comprise heated medium pipe (1) is connected with heat exchange special pipe (3) straight cutting built-in snap close (12) caking or straight cutting built-in snap close glue is bondingly connected, straight cutting caking and glue bonding be connected or with mold injection integrally;
The lock buckling groove (15) that several serial connection UNICOM heating medium passage comprise several heat exchanger tubes (2) is connected with heat exchange special pipe (4) straight cutting built-in snap close (13) caking or straight cutting built-in snap close glue is bondingly connected, straight cutting caking and glue bonding be connected or with mold injection integrally;
Heated medium pipe (1) can adopt bellows or ribbed finned tube;
Bonding or the screw thread of heated medium pipe (1) import plug (5) outlet plug (6) metal or similar Plastic cap hot melt, glue is connected shutoff, and several heat exchanger tubes (2) import (9) outlet (10) is connected with nut, washer locking with plug (5,6);
Heated medium pipe (1) import silk head (8) outlet silk head (7) connect with nut, washer locking or with mold injection integrally;
Several heat exchanger tubes (2) outlet silk head (10) and three-way connection are connected and installed vent valve (11).
Described plastics fall apart hot water exchanger, to comprise in several serial connection running water stretching heat pipes (16) of UNICOMs, heat pipe connectedness (17), steam heating pipe (18), interior pipe connectedness (19), connector (20), interior circular circular arc closing end (21), little interior circular circular arc closing end (22), vent valve (23), heating installation import in Threaded Connector Coupling (24), heating outlet in Threaded Connector Coupling (25), running water water inlet Threaded Connector Coupling (27), relief valve (28) composition in Threaded Connector Coupling (26), running water outlet, it is characterized in that:
The two ends place of several running water stretching heat pipes (16) and heat pipe connectedness (17) are connected in series to be communicated with connector (20) injection moulding and form rectangle;
Plastics fall apart hot water exchanger laterally or erect and put;
Running water stretching heat pipe (16), steam heating pipe (18), heat pipe connectedness (17) and interior pipe connectedness (19) are cylindrical square or oblate;
Steam heating pipe described in several (18) is connected between two parties and is placed in described running water stretching heat pipe (16), is connected in series to be communicated with to form rectangle with the injection moulding of interior pipe connectedness (19);
Running water stretching heat pipe (16) described in several, several strip boss (29) of shaping there are is outer radial internal diameter to draw to stretch at the body circumference of described running water stretching heat pipe (16), described boss is distributed on described internal diameter of tube body circumference by some sections, the shape of the described strip boss of stretch forming or helically shaped or one-tenth polygonal boss, the thickness of pipe wall of described body is 1mm ~ 20mm;
In described in several, circular circular arc closing end (21) is connected (31) with the two ends injection moulding of described running water stretching heat pipe (16) or docks injection moulding and is connected (32), little interior circular circular arc closing end (22) described in several is connected (31) with steam heating pipe (18) two ends injection moulding or docks injection moulding and is connected (32), and vent valve (23) is connected in one end of steam heating pipe (18) and described running water stretching heat pipe (16);
In described heating installation import, Threaded Connector Coupling (24) is connected in left end or the right-hand member of the upper pipe of steam heating pipe (18) and described running water stretching heat pipe (16), and in heating outlet, Threaded Connector Coupling (25) is connected in left end or the right-hand member of pipe under steam heating pipe (18) and described running water stretching heat pipe (16);
In running water water inlet, Threaded Connector Coupling (26) is connected in one end of pipe under described running water stretching heat pipe (16), and in running water outlet, Threaded Connector Coupling (27) is connected in one end of the upper pipe of described running water stretching heat pipe (16) and is connected with relief valve (28);
In described two adjacent running water stretching heat pipes (16) adopt with heat pipe connectedness (17), the injection moulding of pipe flange flat mouth is connected, and described in two adjacent described steam heating pipes (18) and, interior pipe connectedness (19) adopts interior pipe flange flat mouth injection moulding to be connected (33).
Described plastics fall apart hot water exchanger, it is characterized in that:
Running water heat absorption outer tube (37) of more than two and two, the termination of running water heat absorption outer tube (37) is fixedly connected with the running water outer channel closure of heat absorption (35), heating tube (42) is provided with in running water heat absorption outer tube (37), be communicated with by running water communicating pipe (38) between running water heat absorption outer tube (37), be communicated with by heating tube communicating pipe (43) between heating tube (42); Heating installation import (34) and heating outlet (41) are fixedly communicated with going out to hold with the inlet side of heating tube (42) respectively, and absorb heat with the running water respectively inlet side of outer tube (37) of running water inlet (40) and running water outlet (36) is fixedly communicated with going out to hold;
Being provided with in running water heat absorption pipe (45) in described part or all of heating tube (42) or not arranging pipe in running water heat absorption, in running water heat absorption, the absorb heat cavity of outer tube (37) of pipe (45) and running water is communicated with;
Described heating tube communicating pipe (43) is provided with accordingly in described running water communicating pipe (38);
The described running water outer channel closure of heat absorption (35) is outside or to in-flanges, be embedded in running water heat absorption outer tube (37) port, the flange of the running water outer channel closure of heat absorption (35) and running water absorb heat outer tube (37) port limit and connect, bilateral alignment pinch marginal not and mould and be connected;
The described running water outer channel closure of heat absorption (35) is outer convex end socket, and limit is outside or to in-flanges; Or be indent arc end socket, limit is outwards or to in-flanges; Or it is plate shaped outwards or to in-flanges; Or outwards, inwardly boss shape outwards or to in-flanges.
Described plastics fall apart hot water exchanger, it is characterized in that:
Two headers, header are fixedly connected with heating installation import (47), heating outlet (59), running water inlet (58) and running water outlet (48); Be fixedly connected with plural heat supply outer tube (50) between two headers, heat supply outer tube (50) is communicated with by header; Running water endothermic tube (51) is installed with in heat supply outer tube (50), running water endothermic tube (51) is connection, running water outlet (48) described in the connection of one end of running water endothermic tube (51), the running water inlet (58) described in other end connection of running water endothermic tube (51);
Be provided with pipe (62) in heat supply in described part or all of running water endothermic tube (51), in heat supply, pipe (62) communicates with header;
Described header is pipe header or D shape header; By tap water direct communicating pipe (55) serial communication between described running water endothermic tube (51), tap water direct communicating pipe (55) is positioned at header;
Described header is pipe header, and each header comprises two arc plates, each arc plate edges of boards outward flanging, and two corresponding bilateral alignment of arc plate edges of boards are pinched marginal not and are moulded tubular header cylindrical shell; The two-port of header cylindrical shell is injected with header end socket closure plate respectively, and header end socket closure plate outward flanging is embedded in the two-port of tubular header, and bilateral alignment also connects, pinches marginal not and be moulded header; Arc plate leaves installing hole (64), installing hole is stretched stretching limit (65) in arc; Heat supply outer tube is according to arc plate stretching aperture and stretchable holes limit height, and two ends end face R1mm angle crop, inserts in installing hole that arc plate stretches, coincide consistent and connects, pinches marginal not and mould connection; One end pipe wall one side of running water endothermic tube (51) rushes porose, the tube wall corresponding surface of another corresponding running water endothermic tube (51) termination rushes porose, the two inside stretched limits of corresponding aperture, tap water direct communicating pipe (55) two ends end face R1mm angle crop, inserts bilateral alignment in running water endothermic tube end face stretchable holes tap water direct communicating pipe (55) and coincide and pinch marginal not and mould connection;
Described running water endothermic tube (51) port is connected with running water endothermic tube end socket closure plate (54), running water endothermic tube end socket closure plate (54) outward flanging, be embedded in running water endothermic tube (51) port, bilateral alignment also connects and pinches marginal not and mould connection; Running water endothermic tube end socket closure plate (54) punching has centre bore to turning up, in heat supply, manage (62) mouth of pipe pinch side ring with bilateral alignment the in the mouth of pipe limit of manage (62) in the heat supply of inserting in running water endothermic tube (51) and stitch injection moulding and be connected, the interior two ends of (62) of managing of heat supply communicate with the header of both sides;
One or more flow distribution plate (60) is provided with in a described header wherein;
U-bend (66) is held in described running water endothermic tube (51) one end, and the other end is communicated with the injection moulding of tap water direct communicating pipe;
For horizontally-mounted heat exchanger, heating installation import (47), heating outlet (59) are separately positioned on header sidewall upper and lower position, one end, and running water inlet (58), running water outlet (48) are separately positioned on the upper-lower position of same end header end socket closure plate (49,57); Plastics to be fallen apart the installation of hot water exchanger, heating installation import, heating outlet are separately positioned on the right position of bottom header outer wall, and running water outlet (48), running water inlet (58) are separately positioned on (49,57) on the left and right end socket closure plate of same bottom header;
Described header is D shape header; Header comprises: C shape header housing (68), orifice plate (67) and header end socket closure plate (49), and header end socket closure plate surrounding is with flange; The limit that aperture plate center rushes porose inside stretchable holes and the running water bilateral tight connecting connecing of aliging in the limit of the outer tube mouth of pipe that absorbs heat is pinched marginal not and is moulded and be communicated with; The plate angle butt welding of orifice plate both sides is led in succession, and the exterior angle end punching of tap water direct communicating pipe is inserted pipe (62) sealing injection moulding in heat supply and connected, and in heat supply, pipe (62) communicates with header;
Described plastics fall apart hot water exchanger, comprise water storage courage (69) and heating pipe (70) composition, it is characterized in that:
Running water inlet (71), running water outlet (72) and sewage draining exit (73) is provided with in the bottom of water storage courage (69), the two ends of heating pipe (70) are respectively provided with heating installation and import and export (74), and running water outlet (72) is provided with running water outlet pipe (75);
Described heating installation imports and exports the both sides that (74) are located at water storage courage (69), and coaxially;
Described heating pipe (70) is the spring shape bending or be bent downwardly winding up and down;
Heat-transfer pipe wherein, heated medium pipe, to be made up of in 100-150 order conductive powder the moulding compound of 100-130 weight portion and the granularity of 10-30 weight portion, to manage with plastics PP-R or UPVC or PEX pipe or polyethylene pipe or poly-third pipe or PAP connect.
Described plastics fall apart hot water exchanger, and comprise preparation method, its additional technical feature is:
Moulding compound is PE-RT, DMC, BMC or SMC moulding compound; To fall apart hot water exchanger structure single injection-molded abnormity header and the little pipe of the large pipe box diameter of diameter at described plastics, that the air duct with each self-forming convection current of heating installation water entrance imported and exported by running water, being injection molded into some posts falls apart after hot water exchanger, with similar Plastic cap hot melt shutoff bottom die core-drawing hole, the loose hot water exchanger of sweating welder composition specification requirement, electrostatic spraying again, test stone is pressed JG143-2002 inspection and is implemented.
Prepare the fall apart technique of hot water exchanger of above-mentioned plastics to comprise the following steps:
First step delivery plastics and conductive powder mixing;
Mould hot synthetic type at the temperature of the pressure of 25-28Mpa and 150-165 DEG C put into by the material mixed by second step, prepares to form plastics and to fall apart the interior tube shell of hot water exchanger.
Embodiment recited above is only be described the preferred embodiment of the present invention; not design of the present invention and protection domain are limited; under the prerequisite not departing from the utility model design concept; the various modification that in this area, common engineers and technicians make technical scheme of the present invention and improvement, all should fall into protection scope of the present invention.
Claims (4)
1. coaxial heat exchange plastics fall apart hot water exchanger, utilize a kind of HDPE heat-conducting plastic to prepare described plastics to fall apart hot water exchanger, comprise the section bar of injection mo(u)lding, it is characterized in that: the coaxial described plastics hot water exchanger that falls apart has heating medium passage and heated medium passage;
Several heat exchanger tubes (2) and several heated medium pipes (1) are coaxially nested, the pipe that the pipe box diameter that diameter is large is little, and outermost layer is heated medium pipe (1);
The lock buckling groove (14) that several serial connection UNICOM heated medium passages comprise heated medium pipe (1) be connected with the built-in snap close of straight cutting (12) caking of the first heat exchange special pipe (3) or straight cutting built-in snap close glue bonding be connected or straight cutting caking and glue bonding be connected or with mold injection integrally;
The lock buckling groove (15) that several serial connection UNICOM heating medium passage comprise several heat exchanger tubes (2) be connected with the built-in snap close of straight cutting (13) caking of the second heat exchange special pipe (4) or straight cutting built-in snap close glue bonding be connected or straight cutting caking and glue bonding be connected or with mold injection integrally;
Heated medium pipe (1) can adopt bellows or ribbed finned tube;
Bonding or the screw thread of import plug (5) outlet plug (6) metal or the similar Plastic cap hot melt of heated medium pipe (1), glue is connected shutoff, and several heat exchanger tubes (2) general import (9) is connected with nut, washer locking with plug (5,6) with general export (10);
The import silk head (8) outlet silk head (7) of heated medium pipe (1) connect with nut, washer locking or with mold injection integrally;
Outlet silk head (10) and the three-way connection of several heat exchanger tubes (2) are connected and installed vent valve (11).
2. a turbulent flow is self-cleaning subtracts interior compression molding material and to fall apart hot water exchanger, utilize a kind of HDPE heat-conducting plastic to prepare described plastics to fall apart hot water exchanger, comprise the section bar of injection mo(u)lding, the running water stretching heat pipe (16) of several serial connection UNICOMs, heat pipe connectedness (17), steam heating pipe (18), interior pipe connectedness (19), connector (20), interior circular circular arc closing end (21), little interior circular circular arc closing end (22), vent valve (23), Threaded Connector Coupling (24) in heating installation import, Threaded Connector Coupling (25) in heating outlet, Threaded Connector Coupling (26) in running water water inlet, Threaded Connector Coupling (27) in running water outlet, relief valve (28) forms, it is characterized in that:
The two ends place of several running water stretching heat pipes (16) and heat pipe connectedness (17) are connected in series to be communicated with connector (20) injection moulding and form rectangle;
Running water stretching heat pipe (16), steam heating pipe (18), heat pipe connectedness (17) and interior pipe connectedness (19) are cylindrical or square column type or oblate cylindricality;
Steam heating pipe described in several (18) is connected between two parties and is placed in described running water stretching heat pipe (16), is connected in series to be communicated with to form rectangle with the injection moulding of interior pipe connectedness (19);
Running water stretching heat pipe (16) described in several, several strip boss (29) of shaping there are is outer radial internal diameter to draw to stretch at the body circumference of described running water stretching heat pipe (16), described boss is distributed on described internal diameter of tube body circumference by some sections, the shape of the described strip boss of stretch forming or helically shaped or one-tenth polygonal boss, the thickness of pipe wall of described body is 1mm ~ 20mm;
In described in several, circular circular arc closing end (21) and the two ends injection moulding of described running water stretching heat pipe (16) are connected (31), little interior circular circular arc closing end (22) described in several and steam heating pipe (18) two ends injection moulding are connected (31), and vent valve (23) is connected in one end of steam heating pipe (18) and described running water stretching heat pipe (16);
In described heating installation import, Threaded Connector Coupling (24) is connected in left end or the right-hand member of the upper pipe of steam heating pipe (18) and described running water stretching heat pipe (16), and in heating outlet, Threaded Connector Coupling (25) is connected in left end or the right-hand member of pipe under steam heating pipe (18) and described running water stretching heat pipe (16);
In running water water inlet, Threaded Connector Coupling (26) is connected in one end of pipe under described running water stretching heat pipe (16), and in running water outlet, Threaded Connector Coupling (27) is connected in one end of the upper pipe of described running water stretching heat pipe (16) and is connected with relief valve (28);
In described two adjacent running water stretching heat pipes (16) adopt with heat pipe connectedness (17), the injection moulding of pipe flange flat mouth is connected, and described in two adjacent described steam heating pipes (18) and, interior pipe connectedness (19) adopts interior pipe flange flat mouth injection moulding to be connected (33).
3. be communicated with two partition plastics to fall apart a hot water exchanger, it is characterized in that:
Utilize a kind of HDPE heat-conducting plastic to prepare described plastics to fall apart hot water exchanger, comprise the section bar of injection mo(u)lding, running water heat absorption outer tube (37) of more than two, the termination of running water heat absorption outer tube (37) is fixedly connected with the running water outer channel closure of heat absorption (35), heating tube (42) is provided with in running water heat absorption outer tube (37), be communicated with by running water communicating pipe (38) between running water heat absorption outer tube (37), be communicated with by heating tube communicating pipe (43) between heating tube (42); Heating installation import (34) and heating outlet (41) are fixedly communicated with going out to hold with the inlet side of heating tube (42) respectively, and absorb heat with the running water respectively inlet side of outer tube (37) of running water inlet (40) and running water outlet (36) is fixedly communicated with going out to hold;
Being provided with in running water heat absorption pipe (45) in described part or all of heating tube (42) or not arranging pipe in running water heat absorption, in running water heat absorption, the absorb heat cavity of outer tube (37) of pipe (45) and running water is communicated with;
Described heating tube communicating pipe (43) is provided with accordingly in described running water communicating pipe (38);
The described running water outer channel closure of heat absorption (35) is outside or to in-flanges, be embedded in running water heat absorption outer tube (37) port, the flange of the running water outer channel closure of heat absorption (35) and running water absorb heat outer tube (37) port limit to connect or bilateral alignment is pinched marginal not and moulded and be connected;
The described running water outer channel closure of heat absorption (35) is outer convex end socket, and limit is outside or to in-flanges; Or the running water outer channel closure of heat absorption (35) is indent arc end socket, limit is outside or to in-flanges; Or the running water outer channel closure of heat absorption (35) is for plate shaped outside or to in-flanges; Or the running water outer channel closure of heat absorption (35) be outwards, inside boss shape is outside or to in-flanges.
4. header heating tube multichannel heat transfer plastics fall apart a hot water exchanger, it is characterized in that:
Utilize a kind of HDPE heat-conducting plastic to prepare described plastics to fall apart hot water exchanger, comprise the section bar of injection mo(u)lding, two headers, header are fixedly connected with heating installation import (47), heating outlet (59), running water inlet (58) and running water outlet (48); Be fixedly connected with plural heat supply outer tube (50) between two headers, heat supply outer tube (50) is communicated with by header; Running water endothermic tube (51) is installed with in heat supply outer tube (50), running water endothermic tube (51) is connection, running water outlet (48) described in the connection of one end of running water endothermic tube (51), the running water inlet (58) described in other end connection of running water endothermic tube (51);
Be provided with pipe (62) in heat supply in described part or all of running water endothermic tube (51), in heat supply, pipe (62) communicates with header;
Described header is pipe header or D shape header; By tap water direct communicating pipe (55) serial communication between described running water endothermic tube (51), tap water direct communicating pipe (55) is positioned at header;
When described header is pipe header, each header comprises two arc plates, each arc plate edges of boards outward flanging, and two corresponding bilateral alignment of arc plate edges of boards are pinched marginal not and are moulded tubular header cylindrical shell; The two-port of header cylindrical shell is injected with header end socket closure plate respectively, and header end socket closure plate outward flanging is embedded in the two-port of tubular header, and bilateral alignment also connects, pinches marginal not and be moulded header; Arc plate leaves installing hole (64), installing hole is stretched stretching limit (65) in arc; Heat supply outer tube is according to arc plate stretching aperture and stretchable holes limit height, and two ends end face R angle crop, inserts in installing hole that arc plate stretches, coincide consistent and connects, pinches marginal not and mould connection; One end pipe wall one side of running water endothermic tube (51) rushes porose, the tube wall corresponding surface of another corresponding running water endothermic tube (51) termination rushes porose, the two inside stretched limits of corresponding aperture, tap water direct communicating pipe (55) two ends end face R angle crop, inserts bilateral alignment in running water endothermic tube end face stretchable holes tap water direct communicating pipe (55) and coincide and pinch marginal not and mould connection;
Described running water endothermic tube (51) port is connected with running water endothermic tube end socket closure plate (54), running water endothermic tube end socket closure plate (54) outward flanging, be embedded in running water endothermic tube (51) port, bilateral alignment also connects and pinches marginal not and mould connection; Running water endothermic tube end socket closure plate (54) punching has centre bore to turning up, in heat supply, manage (62) mouth of pipe pinch side ring with bilateral alignment the in the mouth of pipe limit of manage (62) in the heat supply of inserting in running water endothermic tube (51) and stitch injection moulding and be connected, the interior two ends of (62) of managing of heat supply communicate with the header of both sides;
More than one flow distribution plate (60) is provided with in a described header wherein;
U-bend (66) is held in described running water endothermic tube (51) one end, and the other end is communicated with the injection moulding of tap water direct communicating pipe;
Horizontally-mounted plastics are fallen apart hot water exchanger, heating installation import (47), heating outlet (59) are separately positioned on header sidewall upper and lower position, one end, and running water inlet (58), running water outlet (48) are separately positioned on the upper-lower position of same end header end socket closure plate (49,57); Described plastics for vertical installation fall apart hot water exchanger, heating installation import, heating outlet are separately positioned on the right position of bottom header outer wall, and running water outlet (48), running water inlet (58) are separately positioned on (49,57) on the left and right end socket closure plate of same bottom header;
When described header is D shape header; Header comprises: C shape header housing (68), orifice plate and header end socket closure plate (49), and header end socket closure plate surrounding is with flange; The limit that aperture plate center rushes porose inside stretchable holes and the limit of the running water endothermic tube mouth of pipe be bilateral, and align tight connecting connecing is pinched marginal not and is moulded and be communicated with; The edges of boards of orifice plate both sides are outwards rolled over and are had limit, and the limit of outwards rolling over, orifice plate both sides and C shape header housing edges of boards are bilateral to align and connect injection moulding and be communicated with; The limit at the two ends of C shape header housing, the two ends of orifice plate respectively bilateral with the limit of header end socket closure plate align and connect pinch side ring and stitch injection moulding and be connected;
Described running water endothermic tube and tap water direct communicating pipe are led in succession by miter angle butt welding, and the exterior angle end punching of tap water direct communicating pipe is inserted pipe (62) sealing injection moulding in heat supply and connected, and in heat supply, pipe (62) communicates with header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210501034.XA CN103033075B (en) | 2012-11-16 | 2012-11-16 | Plastic radiating and ventilating water heater and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210501034.XA CN103033075B (en) | 2012-11-16 | 2012-11-16 | Plastic radiating and ventilating water heater and making method thereof |
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| CN103033075B true CN103033075B (en) | 2015-03-25 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776486A (en) * | 2014-07-15 | 2015-07-15 | 昆山昶乐模塑科技有限公司 | Water-storage type warm air water heater |
| CN105300144A (en) * | 2015-10-21 | 2016-02-03 | 杜光明 | Efficient heat transferring and exchange device |
| DE102016212858B4 (en) | 2016-07-14 | 2018-02-08 | Continental Automotive Gmbh | eductor |
| CN107525308A (en) * | 2017-10-19 | 2017-12-29 | 珠海格力电器股份有限公司 | Heat exchanger |
| CN108215050A (en) * | 2017-12-26 | 2018-06-29 | 齐齐哈尔大学 | A kind of anticorrosive HDPE heating piece preparation method of lightweight |
| CN108613437A (en) * | 2018-05-03 | 2018-10-02 | 珠海格力电器股份有限公司 | Heat exchange device and air conditioner with same |
| CN109780892A (en) * | 2019-01-17 | 2019-05-21 | 江苏大学 | A kind of Low and mid temperature heat recovery Organic Rankine Cycle double pipe heat exchanger |
| CN110360758B (en) * | 2019-06-27 | 2021-08-10 | 深圳市派客新能源有限公司 | Solar heat collection device and method for manufacturing solar heat collection device |
| CN111330530B (en) * | 2020-03-09 | 2021-09-07 | 清华大学 | Cross flattening multi-longitudinal vortex flow pipe and reactor thereof |
| CN112392982A (en) * | 2020-12-19 | 2021-02-23 | 河南水云踪智控科技有限公司 | Sealing structure of composite runner |
| WO2024031318A1 (en) * | 2022-08-09 | 2024-02-15 | 浙江大学 | Stepped natural-convection condenser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308221A (en) * | 2001-01-17 | 2001-08-15 | 高原 | Shaped material of radiator for heating |
| CN101691972A (en) * | 2009-10-14 | 2010-04-07 | 上海醇华电子有限公司 | Main body member for heat exchanger or electric heater |
| CN203148271U (en) * | 2012-11-16 | 2013-08-21 | 枣庄福源印染机械有限公司 | Plastic hot water dissipation and exchanging device |
-
2012
- 2012-11-16 CN CN201210501034.XA patent/CN103033075B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308221A (en) * | 2001-01-17 | 2001-08-15 | 高原 | Shaped material of radiator for heating |
| CN101691972A (en) * | 2009-10-14 | 2010-04-07 | 上海醇华电子有限公司 | Main body member for heat exchanger or electric heater |
| CN203148271U (en) * | 2012-11-16 | 2013-08-21 | 枣庄福源印染机械有限公司 | Plastic hot water dissipation and exchanging device |
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