CN105698559B - A kind of steam heater for setting up hot water point position in workshop - Google Patents
A kind of steam heater for setting up hot water point position in workshop Download PDFInfo
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- CN105698559B CN105698559B CN201610195538.1A CN201610195538A CN105698559B CN 105698559 B CN105698559 B CN 105698559B CN 201610195538 A CN201610195538 A CN 201610195538A CN 105698559 B CN105698559 B CN 105698559B
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- inner sleeve
- steam
- hot water
- air admission
- point position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
- F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a kind of steam heater for setting up hot water point position in workshop, including inner sleeve, connected respectively with feed tube, drain pipe at the two ends of the inner sleeve, outer tube is installed in the inner sleeve pipe outer wall, and annular space is provided between outer tube and inner sleeve, multiple air admission holes are provided with the inner sleeve tube wall, the annular space, with being connected inside the inner sleeve, air inlet pipe is connected with the wall of the outer tube side by air admission hole.The present invention utilizes charity in workshop good supply channel and steam supply pipeline, the mounting arrangements of steam heater can be quickly realized on the station for needing to set up hot water point position, the laying of hot water pipeline need not individually be carried out or be customized single steam heater, greatly reduce the construction cost in workshop.
Description
Technical field
The present invention relates to field of heat exchange, and in particular to a kind of steam heater for setting up hot water point position in workshop.
Background technology
Steam heater, is the abbreviation of steam-water injection from previous " steam hybrid heater ".Carbonated drink is mixed
Clutch is a kind of new steam direct heater, and steam and liquid are realized using DLT steam heater convection current serial ports pipelines
It is two-way to be passed through, so as to realize that steam is directly heated to liquid (such as water).But with a small amount of noise and vibration, the thermal efficiency is high
The features such as be applied to each field.
Because job shop actual use needs, hot water point position need to be set up in mill portion room.But for having built up
Workshop interior layout in, the hot water point position set up relatively disperses, and can not meet normal production requirement, if set again
Count hot water piping, it is impossible to meet the requirement of low cost.
The content of the invention
It is an object of the invention to provide a kind of steam heater for setting up hot water point position in workshop, car is rationally utilized
Between internal steam and running water realize production cost in setting up for hot water point position, reduction workshop.
The present invention is achieved through the following technical solutions：
A kind of steam heater for setting up hot water point position in workshop, including inner sleeve, at the two ends of the inner sleeve
Connected respectively with feed tube, drain pipe, be provided between outer tube, and outer tube and inner sleeve and set in the inner sleeve pipe outer wall
Be equipped with annular space, be provided with multiple air admission holes on the inner sleeve tube wall, the annular space by air admission hole and the inner sleeve inside
Air inlet pipe is connected with connection, outer tube side wall.In the prior art, need to set up new in the workshop for being laid out completion
Hot water point position, and commercially the blender of finished product does not meet construction requirement, but as individually customized, then lay hot water point
The cost of position can much targets.For this problem, inventor is furtherd investigate with regard to this, utilizes cloth nearby in workshop
The jet chimney and water supply line applied, develop the steam heater for being easy to set up hot water point position, to facilitate the heat in workshop
Water is used, while reducing the cost of hot water site setting.During present invention work, steam is entered in annular section by air inlet pipe,
The annular space refers to the annular gap between outer tube and inner sleeve, and then liquid is flowed into inner sleeve by inlet channel, steams
Vapour is entered after inner sleeve by multiple air admission holes mixed with liquid again, that is, occurs heat exchange, heated liquid is directly by going out
Liquid pipe is discharged, that is, forms a newly-increased hot water point position；The substantial amounts of internal sleeve outer wall of steam utilization annular section is preheated,
Some vapor is entered directly into inner sleeve through air admission hole simultaneously, after liquid enters inner sleeve, and inner sleeve itself is because of preheating
And the liquid that the heat absorbed can be flowed by part along inner sleeve inside pipe wall absorbs, and the liquid in the middle part of inner sleeve then starts
The heat entrained by some vapor is absorbed, by annular space and air-vent, ectonexine layering is carried out to the liquid entered in inner sleeve
Heating so that the last heated liquid discharged by drain pipe is uniform.Also, the present invention utilizes the good water supply of charity in workshop
Pipeline and steam supply pipeline, the mounting arrangements of steam heater can be quickly realized on the station for needing to set up hot water point position,
The laying of hot water pipeline need not individually be carried out or be customized single steam heater, greatly reduce the construction in workshop
Construction cost.
Multiple air admission holes are distributed along the inner sleeve tube axis direction, and the air admission hole is arranged on the inner sleeve
In circumference.Multiple air admission holes be arranged in parallel along the axis direction of inner sleeve, that is, cause steam to realize layering when entering inner sleeve
Into when carrying out logical liquid in feed tube, the steam stream of layering can successively be heated to liquid, it is ensured that the liquid of outflow inner sleeve
Body is heated abundant.
Multiple air admission holes are distributed in the inner sleeve on the outer wall of the feed tube side.Preferably, many
Individual air admission hole is distributed in inner sleeve on the outer wall of feed tube side, i.e., when liquid once enter after inner sleeve can directly with
Steam is mixed, and its own heat absorbed is continuously increased in the flow process of liquid, the injection of simultaneous steam injection formation
After stream and the fluid layer of liquid formation are mixed, wadding stream now can be produced in interior inside pipe casing, vapour-liquid mixed flow is not only in inner sleeve
Axial direction, radially there is acceleration, and any one direction is respectively provided with acceleration at remaining, i.e., now liquid can be abundant
Heat in steam is absorbed, is finally discharged along side of the inner sleeve away from feed tube, improves the degree of being heated evenly of liquid, protected
Supply water temperature in the newly-increased hot water point position of card is balanced.
The air admission hole includes diminution section, flat segments and the expanding reach set gradually along its axis, the diminution section with
The annular space connection, the expanding reach inside the inner sleeve with connecting, and the aperture for reducing section is along its axis towards close to flat
Successively decrease on the direction of straight section, the aperture of the expanding reach is along its axis towards incremental on the direction away from flat segments.High-speed mobile
Steam can just enter inner sleeve by air admission hole, and the steam of self-contained initial velocity easily cuts the liquid in feed tube
Layer, i.e., be truncated into multiple disjunct tomographies by liquid, the liquid flowing in serious slow inner sleeve；And the air inlet in the present invention
Hole includes reducing section, flat segments and expanding reach, and the aperture of diminution section is successively decreased along its axis towards on the direction of flat segments,
The aperture of expanding reach is along its axis towards incremental on the direction away from flat segments so that the flow velocity of steam stream is real after air admission hole is entered
Existing three-level change, i.e., steam, which enters, reduces after section, and its moving region is changed into cone space from original annular space, is constantly revolved along annular space
The dynamic steam of transfer is converted into being moved linearly along the axis of air admission hole by reducing progressively stablizing for section, and enters flat segments
Afterwards, the flow velocity of steam is relatively steady, and after steam is moved to expanding reach, its circulating area increases suddenly, and then causes steam
Flow velocity reduce suddenly so that the movement tendency of steam is slowed down, and is ensureing the premise that can be mixed with liquid of steam
Under, it is to avoid the liquid in inner sleeve dams phenomenon.
The axial length for reducing section is more than the axial length of the expanding reach.Because steam constantly adds in annular space
Speed so that circumferencial direction of the steam stream along annular space, which possesses, larger initial velocity, steam can be because used after inner sleeve is entered
Property continue to continue to move along the inwall of inner sleeve, and then reduce with the heat exchange efficiency of inner sleeve liquid in pipe, reduce section in the present invention
Axial length be more than the axial length of expanding reach so that steam have enough region and time travel direction change and
It is stable, that is, ensure that the steam stream injected in air admission hole ensures its stable straight line flow direction, and then improve the heat exchange efficiency of liquid.
The internal diameter at the inner sleeve two ends successively decreases along its axis to the direction away from inner sleeve tube hub.Preferably, being drop
Inner sleeve two ends are set tapered by liquid to the impact dynamics in inner sleeve in low feed tube, can be avoided in inner sleeve constantly
Turn over the liquid gushed and the two ends of inner sleeve are caused with collision, prevent inner sleeve from crack occur with feed tube, the coupling part of drain pipe.
Steel wire is filled with the annular space.Preferably, in the annular space filler wires net, the stream of steam can be slowed down
Speed, impact dynamics of the reduction steam to inner sleeve and outer tube.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention is needing to set up hot water point position using charity in workshop good supply channel and steam supply pipeline
Station on can quickly realize the mounting arrangements of steam heater, without the independent laying for carrying out hot water pipeline or determined
Single steam heater is made, the construction cost in workshop is greatly reduced；
2nd, multiple air admission holes be arranged in parallel along the axis direction of inner sleeve in the present invention, that is, cause steam entering inner sleeve
Shi Shixian layerings enter, and when carrying out logical liquid in feed tube, the steam stream of layering can successively be heated to liquid, it is ensured that outflow
The heated liquid of inner sleeve is abundant；
3rd, realize that three-level changes after entrance air admission hole the invention enables the flow velocity of steam stream, i.e., steam, which enters, reduces section
Afterwards, its moving region is changed into cone space from original annular space, along annular space constantly steam in rotary moving through reducing section by
Step is stable to be converted into being moved linearly along the axis of air admission hole, and is entered after flat segments, and the flow velocity of steam is relatively steady, and works as
Steam is moved to after expanding reach, and its circulating area increases suddenly, and then the flow velocity of steam is reduced suddenly so that the fortune of steam
Dynamic trend is slowed down, on the premise of ensureing that steam can be mixed with liquid, it is to avoid the liquid in inner sleeve occurs to cut
Flow phenomenon.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of air admission hole.
Mark and corresponding parts title in accompanying drawing：
1- feed tubes, 2- outer tubes, 3- inner sleeves, 4- air admission holes, 41- reduce section, 42- flat segments, 43- expanding reach, 5-
Steel wire, 6- drain pipes, 7- air inlet pipe.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment include inner sleeve 3, the two ends of the inner sleeve 3 respectively with feed tube 1,
Drain pipe 6 is connected, and is provided with the outer wall of inner sleeve 3 between outer tube 2, and outer tube 2 and inner sleeve 3 and is provided with ring
Sky, is provided with multiple air admission holes 4, the annular space is by air admission hole 4 with connecting inside the inner sleeve 3 on the tube wall of inner sleeve 3
It is logical, it is connected with air inlet pipe 7 on the side wall of outer tube 2.
During work, steam is entered in annular section by air inlet pipe 7, and the annular space refers between outer tube 2 and inner sleeve 3
Annular gap, then liquid flowed into by inlet channel in inner sleeve 3, steam enters inner sleeve by multiple air admission holes 4 again
Mixed after pipe 3 with liquid, that is, occur heat exchange, heated liquid is directly discharged by drain pipe 6, that is, form a newly-increased heat
Water spot position；Substantial amounts of steam utilization annular section is preheated to the outer wall of inner sleeve 3, while some vapor is straight through air admission hole 4
Connect and enter in inner sleeve 3, after liquid enters inner sleeve 3, the heat that inner sleeve 3 absorbs itself by preheating can be by part edge
The liquid of the inwall of inner sleeve 3 flowing is absorbed, and the liquid positioned at the middle part of inner sleeve 3 then starts to absorb entrained by some vapor
Heat, by annular space and air-vent, carries out ectonexine leveled heating so that finally by going out liquid to the liquid entered in inner sleeve 3
The heated liquid that pipe 6 is discharged is uniform.Also, the present invention is using charity in workshop good supply channel and steam supply pipeline,
The mounting arrangements of steam heater can be quickly realized on the station for needing to set up hot water point position, hot-water line is carried out without independent
The laying in road or single steam heater is customized, greatly reduces the construction cost in workshop.It is multiple described
Air admission hole 4 is distributed along the axis direction of inner sleeve 3, and the air admission hole 4 is arranged in the circumference of the inner sleeve 3.It is multiple
Axis direction of the air admission hole 4 along inner sleeve 3 be arranged in parallel, that is, causes steam to realize that layering enters when entering inner sleeve 3, entering
When carrying out logical liquid in liquid pipe 1, the steam stream of layering can successively be heated to liquid, it is ensured that the heated liquid of outflow inner sleeve 3
Fully.
Preferably, multiple air admission holes 4 are distributed in inner sleeve 3 on the outer wall of the side of feed tube 1, i.e., when liquid one enters
Enter to after inner sleeve 3 just directly can be mixed with steam, and its own heat absorbed is continuously increased in the flow process of liquid,
After the injection stream of simultaneous steam injection formation and the fluid layer of liquid formation are mixed, wadding stream can be now produced inside inner sleeve 3,
Vapour-liquid mixed flow not only in the axial direction of inner sleeve 3, radially there is acceleration, and be respectively provided with remaining any one direction plus
Speed, i.e., now liquid fully can be absorbed the heat in steam, finally be arranged along side of the inner sleeve 3 away from feed tube 1
Go out, improve the degree of being heated evenly of liquid, it is ensured that the supply water temperature in newly-increased hot water point position is balanced.
In the present embodiment, air admission hole 4 includes diminution section 41, flat segments 42 and the expanding reach set gradually along its axis
43, the diminution section 41 is connected with the annular space, and the expanding reach 43 is connected with the inside of inner sleeve 3, the diminution section 41
Aperture successively decrease along its axis towards on the direction of flat segments 42, the aperture of the expanding reach 43 is along its axis towards away from straight
It is incremented by the direction of section 42.The steam of high-speed mobile can just enter inner sleeve 3 by air admission hole 4, and self-contained initial speed
Liquid in feed tube 1 is easily cut layer by the steam of degree, i.e., liquid is truncated into multiple disjunct tomographies, serious slow inner sleeve
Liquid flowing in pipe 3；And the air admission hole 4 in the present invention includes reducing section 41, flat segments 42 and expanding reach 43, and reduce section
41 aperture is successively decreased along its axis towards on the direction of flat segments 42, and the aperture of expanding reach 43 is along its axis towards away from flat segments
It is incremented by 42 direction so that the flow velocity of steam stream realizes that three-level changes after air admission hole 4 is entered, i.e., steam, which enters, reduces section 41
Afterwards, its moving region is changed into cone space from original annular space, along the continuous steam in rotary moving of annular space by reducing section 41
Progressively stablize and be converted into being moved linearly along the axis of air admission hole 4, and enter after flat segments 42, the flow velocity of steam is relatively flat
Surely, and after steam is moved to expanding reach 43, its circulating area increases suddenly, and then the flow velocity of steam is reduced suddenly, makes
The movement tendency for obtaining steam is slowed down, on the premise of ensureing that steam can be mixed with liquid, it is to avoid in inner sleeve 3
Liquid dams phenomenon.
Wherein, because steam constantly accelerates in annular space so that circumferencial direction of the steam stream along annular space, which possesses, larger
Initial velocity, steam enter inner sleeve 3 after can because inertia continue continue to move along the inwall of inner sleeve 3, and then reduce with
The axial length that section 41 is reduced in the heat exchange efficiency of liquid in inner sleeve 3, the present invention is more than the axial length of expanding reach 43 so that
Steam has the change and stably of enough region and time travel direction, that is, ensures the steam stream injected in air admission hole 4
Ensure its stable straight line flow direction, and then improve the heat exchange efficiency of liquid.
Preferably, being to reduce liquid in feed tube 1, to the impact dynamics in inner sleeve 3, the two ends of inner sleeve 3 to be arranged to
Taper, can avoid the continuous liquid gushed that turns in inner sleeve 3 that the two ends of inner sleeve 3 are caused with collision, prevent inner sleeve 3 and feed tube
1st, there is crack in the coupling part of drain pipe 6.
Preferably, in the annular space filler wires net 5, the flow velocity of steam can be slowed down, reduction steam to inner sleeve 3 and
The impact dynamics of outer tube 2.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (4)
1. a kind of steam heater for setting up hot water point position in workshop, including inner sleeve (3), in the inner sleeve (3)
Two ends are connected with feed tube (1), drain pipe (6) respectively, it is characterised in that：Overcoat is installed on the inner sleeve (3) outer wall
Pipe is provided with annular space between (2), and outer tube (2) and inner sleeve (3), and multiple air inlets are provided with the inner sleeve (3) tube wall
Hole (4), the annular space with being connected inside the inner sleeve (3), is connected with by air admission hole (4) on the wall of outer tube (2) side
Air inlet pipe (7)；Multiple air admission holes (4) are distributed along the inner sleeve (3) axis direction, and the air admission hole (4) is arranged on
In the circumference of the inner sleeve (3)；Multiple air admission holes (4) are distributed in the inner sleeve (3) close to the feed tube (1) one
On the outer wall of side；The air admission hole (4) includes diminution section (41), flat segments (42) and the expanding reach set gradually along its axis
(43), the diminution section (41) connects with the annular space, and the expanding reach (43) is described with being connected inside the inner sleeve (3)
The aperture for reducing section (41) is successively decreased along its axis towards on the direction of flat segments (42), the aperture of the expanding reach (43) along its
Axis towards away from flat segments (42) direction on be incremented by.
2. a kind of steam heater for setting up hot water point position in workshop according to claim 1, it is characterised in that：Institute
State and reduce axial length of the axial length of section (41) more than the expanding reach (43).
3. a kind of steam heater for setting up hot water point position in workshop according to claim 1, it is characterised in that：Institute
The internal diameter for stating inner sleeve (3) two ends successively decreases along its axis to the direction away from inner sleeve (3) center.
4. a kind of steam heater for setting up hot water point position in workshop according to claim 1, it is characterised in that：
Steel wire (6) is filled with the annular space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195538.1A CN105698559B (en) | 2016-03-31 | 2016-03-31 | A kind of steam heater for setting up hot water point position in workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195538.1A CN105698559B (en) | 2016-03-31 | 2016-03-31 | A kind of steam heater for setting up hot water point position in workshop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105698559A CN105698559A (en) | 2016-06-22 |
| CN105698559B true CN105698559B (en) | 2017-10-13 |
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ID=56218944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195538.1A Active CN105698559B (en) | 2016-03-31 | 2016-03-31 | A kind of steam heater for setting up hot water point position in workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105698559B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1245985A (en) * | 1916-10-09 | 1917-11-06 | David R Saunders | Combined water heater and circulator. |
| CN2092076U (en) * | 1990-11-17 | 1992-01-01 | 王钊 | Jet-type direct steam heat exchanger |
| JPH09318002A (en) * | 1996-05-31 | 1997-12-12 | Mitsubishi Heavy Ind Ltd | Vertical steam generator |
| CN2367996Y (en) * | 1999-05-13 | 2000-03-08 | 齐建华 | Pump-free vapour-water heat exchanger |
| CN2773587Y (en) * | 2005-01-28 | 2006-04-19 | 杨有良 | Steam water mixed heater without noise |
| CN201203360Y (en) * | 2008-03-31 | 2009-03-04 | 上海长隆工业设备有限公司 | Gas and water mixer |
| CN202329276U (en) * | 2011-10-17 | 2012-07-11 | 济南市水处理设备厂有限公司 | Vapor-water mixing heater |
| CN202691425U (en) * | 2012-05-17 | 2013-01-23 | 常州江南电力设备集团有限公司 | Mixed type pipe raw water heater |
| CN203274544U (en) * | 2013-05-06 | 2013-11-06 | 上海南华换热器制造有限公司 | Steam and water mixer |
| CN203837521U (en) * | 2014-04-15 | 2014-09-17 | 沈阳石蜡化工有限公司 | Hot-water tank with low-noise heater |
| CN104903672A (en) * | 2012-06-25 | 2015-09-09 | 阿利安特技术系统公司 | High efficiency direct contact heat exchanger |
-
2016
- 2016-03-31 CN CN201610195538.1A patent/CN105698559B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1245985A (en) * | 1916-10-09 | 1917-11-06 | David R Saunders | Combined water heater and circulator. |
| CN2092076U (en) * | 1990-11-17 | 1992-01-01 | 王钊 | Jet-type direct steam heat exchanger |
| JPH09318002A (en) * | 1996-05-31 | 1997-12-12 | Mitsubishi Heavy Ind Ltd | Vertical steam generator |
| CN2367996Y (en) * | 1999-05-13 | 2000-03-08 | 齐建华 | Pump-free vapour-water heat exchanger |
| CN2773587Y (en) * | 2005-01-28 | 2006-04-19 | 杨有良 | Steam water mixed heater without noise |
| CN201203360Y (en) * | 2008-03-31 | 2009-03-04 | 上海长隆工业设备有限公司 | Gas and water mixer |
| CN202329276U (en) * | 2011-10-17 | 2012-07-11 | 济南市水处理设备厂有限公司 | Vapor-water mixing heater |
| CN202691425U (en) * | 2012-05-17 | 2013-01-23 | 常州江南电力设备集团有限公司 | Mixed type pipe raw water heater |
| CN104903672A (en) * | 2012-06-25 | 2015-09-09 | 阿利安特技术系统公司 | High efficiency direct contact heat exchanger |
| CN203274544U (en) * | 2013-05-06 | 2013-11-06 | 上海南华换热器制造有限公司 | Steam and water mixer |
| CN203837521U (en) * | 2014-04-15 | 2014-09-17 | 沈阳石蜡化工有限公司 | Hot-water tank with low-noise heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105698559A (en) | 2016-06-22 |
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