CN118089006A - Double-circulation hydrodynamic system for inside of electric drive boiler - Google Patents
Double-circulation hydrodynamic system for inside of electric drive boiler Download PDFInfo
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- CN118089006A CN118089006A CN202410472891.4A CN202410472891A CN118089006A CN 118089006 A CN118089006 A CN 118089006A CN 202410472891 A CN202410472891 A CN 202410472891A CN 118089006 A CN118089006 A CN 118089006A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000012535 impurity Substances 0.000 claims abstract description 34
- 238000005485 electric heating Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000008213 purified water Substances 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims description 48
- 230000007246 mechanism Effects 0.000 claims description 28
- 238000007667 floating Methods 0.000 claims description 23
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000010405 clearance mechanism Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000001970 hydrokinetic effect Effects 0.000 claims 9
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 6
- 208000034699 Vitreous floaters Diseases 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B29/00—Steam boilers of forced-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/34—Adaptations of boilers for promoting water circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/486—Devices for removing water, salt, or sludge from boilers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention relates to the technical field of steam boilers, and discloses a double-circulation hydrodynamic system for an electric drive boiler, which comprises a boiler shell, wherein the boiler shell is provided with a water inlet and a water outlet; an electric heating element; an internal circulation power system arranged inside the boiler shell; an external circulation power system for supplying steam to a heating appliance; the internal circulation power system includes: the inner shell is arranged on the inner bottom surface of the boiler outer shell, the electric heating element is arranged in the inner shell, and water in the inner shell is purified water; the external circulation power system includes: an external circulating water inlet pipe arranged at the side part of the boiler shell; the heating pipes of boiler shell are connected respectively at both ends, the entry end of heating pipe communicates the top of boiler shell, the exit end of heating pipe communicates the bottom of boiler shell, is in sealed pure water with electric heating element through setting up inner loop driving system, has avoided the water that has impurity to form the incrustation scale on electric heating element's surface.
Description
Technical Field
The invention relates to the technical field of steam boilers, in particular to a double-circulation hydrodynamic system for an electric drive boiler.
Background
The electric-driven boiler is also called an electric heating boiler and an electric heating boiler, and is boiler equipment which takes electric power as energy and converts the electric power into heat energy, and outputs steam, high temperature water or an organic heat carrier with certain heat energy outwards through boiler conversion; an electric heater is arranged in the electric drive boiler, and when current passes through the electric heater, electric energy can be converted into heat energy, so that the temperature of water in the electric boiler is increased; the electric heater is generally composed of a number of resistance wires, which heat when current passes through the resistance wires to transfer heat energy to water, a water tank is generally arranged in the electric boiler, the water in the water tank is heated by the heater, the temperature of the water is increased and then converted into steam for heating the heating equipment, and a large amount of scale is often formed on the surface of the resistance wires when the resistance wires heat the water.
One patent application with publication number CN113623630B discloses a boiler water vapor closed circulation system, which comprises a boiler, wherein the boiler is provided with a steam outlet and a water inlet, the steam outlet is positioned at the top of the boiler, the steam outlet and the water inlet form a closed loop through a pipeline, and a heat utilization device and a pump cavitation prevention device are sequentially arranged on the pipeline from the steam outlet to the water inlet; the invention changes the heat exchange mode of the traditional boiler, forms a closed circulation loop with the boiler by using heat equipment, reduces working procedures, ensures that condensed and reflowed water after heat exchange enters the boiler again to be heated in a reciprocating way, avoids water loss, and reduces heat loss in a closed loop way.
However, the above scheme has some defects that when the resistance wire heats water, the water in the water vapor circulation system is easy to be stained with a large amount of impurities due to the fact that the water passes through a plurality of pipelines and devices, so that scale is often formed on the surface of the resistance wire by the impurities when the resistance wire heats water, the heating efficiency of the resistance wire is reduced, and the steam generating efficiency is further reduced; when steam is needed, the whole boiler water needs to be heated to a certain temperature through the resistance wire to generate steam, the heating time is long, and the steam supply is not enough in time.
To this end, the present invention provides a dual cycle hydrodynamic system for use inside an electrically driven boiler.
Disclosure of Invention
The invention provides a double-circulation hydrodynamic system for an electric drive boiler, which solves at least one technical problem in the background technology.
The invention provides a double-circulation hydrodynamic system for an electric drive boiler, which comprises: the boiler comprises a boiler shell, wherein a pressure release valve is arranged on the side wall of the boiler shell, and a transverse base is arranged at the bottom of the boiler shell 1; an electric heating element arranged inside the boiler shell, wherein the electric heating element adopts a conventional resistance wire; an internal circulation power system arranged inside the boiler shell; and an external circulation power system for supplying steam to the heating apparatus, the internal circulation power system being capable of conducting thermal energy heated by the electric heating element into the external circulation power system; the internal circulation power system includes: the inner shell is arranged on the inner bottom surface of the boiler outer shell, the electric heating element is arranged in the inner shell, water in the inner shell is purified water, and the inner shell is made of a heat conducting material; the inner circulation water inlet pipe is arranged at the bottom of the inner shell, a valve is arranged at the pipe orifice of the inner circulation water inlet pipe, and the inner circulation water inlet pipe is used for injecting purified water into the inner shell; one end of the internal circulation steam exhaust pipe is communicated with the top of the inner shell, and a valve is arranged at the pipe orifice of the internal circulation steam exhaust pipe; the external circulation power system includes: the external circulation water inlet pipe is arranged at the side part of the boiler shell and is used for injecting water into the boiler shell, and a valve is arranged at the external circulation water inlet pipe; the two ends of the internal circulation steam exhaust pipe are respectively connected with a heating pipe of the boiler shell, the inlet end of the heating pipe is communicated with the top of the boiler shell, the inlet end of the heating pipe is provided with a one-way valve, the outlet end of the heating pipe is communicated with the bottom of the boiler shell, and one end of the internal circulation steam exhaust pipe penetrates through the boiler shell and is communicated with the side wall of the inlet end of the heating pipe; the heat utilization device is arranged in the middle of the heat supply pipe, and the heat supply pipe is communicated with the heat utilization device; a water pump installed between the inlet end of the heat supply pipe and the heat using device; and the cylindrical body is arranged inside the boiler outer shell, the cylindrical body is sleeved outside the inner shell, the bottom of the cylindrical body is sealed and fixedly connected with the bottom surface inside the boiler outer shell, and the outlet end of the heating pipe is communicated with the bottom of the boiler outer shell between the inner shell and the cylindrical body.
Specifically, the electric heating element is positioned in the sealed purified water by arranging the internal circulation power system, so that water with impurities is prevented from forming scale on the surface of the electric heating element; the problems that when more water exists in the boiler shell, the generated steam is slow in heating and the steam is not supplied timely are avoided.
Preferably, the internal circulation power system further includes:
The circulating pipelines are arranged outside the inner shell in a vertical mode, and two ends of the circulating pipelines are respectively communicated with the upper side face and the lower side face of the inner shell; and
And the inner power assembly is arranged inside the inner shell and is used for enabling water inside the inner shell to flow from the lower end of the circulating pipeline to the upper end of the circulating pipeline and enter the inner shell.
Preferably, the inner power assembly includes: a cylinder rotatably arranged on the inner bottom surface of the inner shell; the first rotating blade is fixedly connected to the outer side wall of the upper part of the cylinder; the upper end of the rotating shaft penetrates through the top of the inner shell and the top of the boiler outer shell, and the rotating shaft is in rotary sealing connection with the top of the inner shell and the boiler outer shell; and the connecting rod is arranged between the rotating shaft and the cylinder, and two ends of the connecting rod are fixedly connected with the bottom of the rotating shaft and the upper end of the cylinder respectively.
Preferably, the external circulation power system further comprises an external power assembly disposed between the inner shell and the boiler outer shell, the external power assembly comprising: a ring body sleeved and rotationally connected with the outer wall of the inner shell; the circumference of the second rotating blades are fixedly connected to the bottom of the annular body and used for driving water in the boiler shell to flow downwards, and the second rotating blades are obliquely arranged; and two ends of the driving rod are fixedly connected with the side wall of the rotating shaft and the top of the annular body respectively.
Preferably, still including a plurality of clearance mechanisms that are used for clearing up circulation pipeline surface, clearance mechanism cover is established and sliding connection is on circulation pipeline outer wall, clearance mechanism includes: the annular piece is sleeved on the outer wall of the circulating pipeline in a sliding manner, the annular piece and the circulating pipeline cannot rotate, and bristles are arranged on the inner wall of the annular piece; the first floating body is sleeved and fixedly connected to the outer wall of the annular piece; the filter piece is sleeved and fixedly connected to the outer wall of the first floating body, and the filter piece can be made of polytetrafluoroethylene, glass fiber and other materials; the limiting body is fixedly connected to the outer wall of the circulating pipeline and is arranged above the annular piece; and the pushing-down component is arranged above the filter element and used for driving the filter element to move downwards.
Preferably, the push-down assembly comprises: comprises an extension rod fixedly connected to the top surface of the filter element; and the elastic ball is fixedly connected to the top surface of the extension rod, the upper part of the elastic ball is positioned between the top and the bottom of the second rotating blade, the second rotating blade can push the elastic ball to move downwards, and the elastic ball can be made of silicon rubber, fluororubber and other materials.
Specifically, the heat exchange efficiency of the internal circulation power system and the external circulation power system is affected by scale and attachments on the outer wall of the circulation pipeline.
Preferably, the stirring mechanism is arranged on the water surface inside the boiler shell, and is used for stirring the water surface inside the boiler shell, and the stirring mechanism comprises: a stirring plate arranged on the water surface inside the boiler shell; the second floating body is fixedly connected to the bottom surface of the stirring plate; and the threaded rod penetrates through the middle of the stirring plate, the threaded rod is in threaded connection with the stirring plate, and the bottom end of the threaded rod is fixedly connected with the upper top surface of the extension rod.
Specifically, through setting up the surface of water that the second floater can drive stirring board adaptation different height for thereby the stirring board can stir the inside surface of water of boiler shell increase steam emission.
Preferably, still including setting up the clear miscellaneous mechanism at the stirring board top surface, clear miscellaneous mechanism is used for collecting the floating impurity on the inside surface of water of boiler shell, and clear miscellaneous mechanism includes: the collection box of rigid coupling at stirring plate tip top surface, collection mouth has been seted up to collection box side, collection chamber is set up in the middle of the collection box inside, a plurality of filtration pore have been seted up on the cavity of collection chamber.
Preferably, the impurity removing mechanism further comprises: the heightening body is arranged between the collecting box and the top surface of the stirring plate, two ends of the collecting box are obliquely arranged, one end, far away from the threaded rod, of the collecting box is a high end, and one end, close to the threaded rod, of the collecting box is a low end; the anti-blocking assembly is arranged in the collecting cavity and is used for preventing collected floaters from blocking the filtering holes; wherein, prevent stifled subassembly includes: the movable body is arranged in the collecting cavity in a sliding manner, and the side part of the movable body is fixedly connected with a hairbrush; and the guide rod penetrates through and is connected with the moving body in a sliding way, the guide rod is arranged in the collecting cavity, and two ends of the guide rod are fixedly connected with the collecting box.
Preferably, a plurality of storage grooves are formed in the collecting box, the storage grooves are formed in the bottom surface of the inner portion of the collecting cavity, and the storage grooves are located in the high-end portion of the collecting box.
Specifically, the isolation of impurities and water is realized, the phenomenon that the impurities are impacted by water flow in the collecting cavity to enter the water again is avoided, and the influence on water quality caused by melting of the impurities in the water for a long time can also be avoided.
The invention has the beneficial effects that:
1. According to the double-circulation hydrodynamic system for the inside of the electric-driven boiler, the electric heating element is arranged in the sealed purified water through the internal-circulation hydrodynamic system, so that water with impurities is prevented from forming scale on the surface of the electric heating element.
2. According to the dual-circulation water power system for the inside of the electric-driven boiler, the inner circulation steam exhaust pipe is opened, the outer circulation water inlet pipe is closed, purified water is injected into the inner shell through the inner circulation water inlet pipe, then the purified water in the inner shell is heated by starting the electric heating element, the water quantity in the inner shell is smaller than that in the outer shell of the boiler, the electric heating element can quickly heat the purified water in the inner shell to form steam, the inner circulation steam exhaust pipe and the heat supply pipe can supply heat and supply steam to the heat utilization equipment through the inner circulation steam exhaust pipe and the heat supply pipe, the purified water can be used through the longer heat supply pipe and the more heat utilization equipment, certain impurities can be provided, the water flowing out of the outlet end of the heat supply pipe has certain heat, the heat can flow from the inlet end of the heat supply pipe to the heat utilization equipment through the heat conduction heating pipe, when the water in the inner shell is full, the water in the inner shell flows into the area between the cylindrical body and the side wall of the outer shell of the boiler, the inner circulation steam exhaust pipe and the inner circulation steam exhaust pipe can be quickly heated, the water and the water in the inner circulation steam heating pipe and the inner circulation steam power system can not be timely generated, and the water scale can not be generated due to the fact that the water is in a timely heating mode is provided, and the water is not heated by the heat circulation power system is provided, and the water is more rapidly generated, and the water is prevented from being in a heating state.
3. According to the double-circulation water power system for the inside of the electric-driven boiler, when the inner circulation power system and the outer circulation power system are in two sealed independent states, the motor is arranged at the top of the boiler shell, the motor drives the first rotary blades to rotate through the rotating shaft and the connecting rod, the first rotary blades can enable purified water in the inner shell to flow from the lower end of the circulation pipeline to the upper end of the circulation pipeline and enter the inner shell, so that the water temperature in the inner shell is more uniform, meanwhile, the motor drives the second rotary blades to rotate through the rotating shaft, the driving rod and the annular body, so that the water temperature between the inner shell and the boiler shell is more uniform, water between the inner shell and the boiler shell can timely exchange heat with water in the inner shell, heat exchange efficiency is improved, meanwhile, the second rotary blades drive the filter element, the first floating body and the annular element to move downwards for a certain distance through the extending rod, the first floating body drives the filter element and the annular element to move upwards, and bristles on the inner wall of the annular element can clean scale and attachments on the outer wall of the circulation pipeline, and the heat exchange efficiency of the inner circulation power system is solved.
4. According to the double-circulation hydrodynamic system for the interior of the electric drive boiler, the stirring plate can be driven to adapt to water surfaces with different heights by arranging the second floating body, so that the stirring plate can stir the water surfaces in the shell of the boiler, and the steam discharge amount is increased.
Drawings
FIG. 1 is a schematic plan view of an external circulation power system of the present invention;
FIG. 2 is a perspective view of the boiler housing of the present invention;
FIG. 3 is a schematic view of the structure of the inside of the boiler housing according to the present invention;
FIG. 4 is a schematic diagram of the internal circulation power system of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of the stirring mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the impurity removing mechanism of the present invention;
In the figure: 1. a boiler housing; 2. an electric heating element; 3. an internal circulation power system; 31. an inner case; 32. an internal circulation water inlet pipe; 33. an internal circulation exhaust pipe; 34. a circulation pipe; 35. an internal power assembly; 351. a cylinder; 352. a first rotary blade; 353. a rotating shaft; 354. a connecting rod; 4. an external circulation power system; 41. an external circulation water inlet pipe; 42. a heat supply pipe; 43. using a heating device; 44. a water pump; 45. a cylindrical body; 46. an external power assembly; 461. an annular body; 462. a second rotary blade; 463. a driving rod; 5. a cleaning mechanism; 51. a ring member; 52. a first floating body; 53. a filter; 54. a limiting body; 55. a push-down assembly; 551. an extension rod; 552. an elastic ball; 6. a stirring mechanism; 61. a stirring plate; 62. a second floating body; 63. a threaded rod; 7. a impurity removing mechanism; 71. a collection box; 72. a collection port; 73. a collection chamber; 74. a filter hole; 75. adding a height body; 76. an anti-blocking assembly; 761. a moving body; 762. a guide rod; 77. and (5) a storage tank.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
In a first embodiment, as shown in fig. 1 to 7, a dual-circulation hydrodynamic system for an electrically driven boiler according to an embodiment of the present invention, please refer to fig. 1, 2,3 and 4, which includes: the boiler comprises a boiler shell 1, wherein a pressure relief valve is arranged on the side wall of the boiler shell 1, and a transverse base is arranged at the bottom of the boiler shell 1; an electric heating element 2 arranged inside the boiler housing 1, said electric heating element 2 being a conventional resistance wire; an internal circulation power system 3 provided inside the boiler housing 1; and an external circulation power system 4 for supplying steam to the heating apparatus, the internal circulation power system 3 being capable of conducting thermal energy heated by the electric heating element 2 into the external circulation power system 4; the internal circulation power system 3 includes: an inner shell 31 arranged on the inner bottom surface of the boiler outer shell 1, wherein the electric heating element 2 is arranged inside the inner shell 31, water inside the inner shell 31 is purified water, and the inner shell 31 is made of a heat conducting material; an inner circulation water inlet pipe 32 arranged at the bottom of the inner shell 31, wherein a valve is arranged at the pipe orifice of the inner circulation water inlet pipe 32, and the inner circulation water inlet pipe 32 is used for injecting purified water into the inner shell 31; and an internal circulation steam exhaust pipe 33 with one end communicated with the top of the inner shell 31, wherein a valve is arranged at the pipe orifice of the internal circulation steam exhaust pipe 33; the external circulation power system 4 includes: an outer circulation water inlet pipe 41 arranged at the side part of the boiler shell 1, wherein the outer circulation water inlet pipe 41 is used for injecting water into the boiler shell 1, and a valve is arranged at the outer circulation water inlet pipe 41; the two ends of the internal circulation steam exhaust pipe 33 are respectively connected with a heat supply pipe 42 of the boiler shell 1, the inlet end of the heat supply pipe 42 is communicated with the top of the boiler shell 1, the inlet end of the heat supply pipe 42 is provided with a one-way valve, the outlet end of the heat supply pipe 42 is communicated with the bottom of the boiler shell 1, and one end of the internal circulation steam exhaust pipe 33 penetrates through the boiler shell 1 and is communicated with the side wall of the inlet end of the heat supply pipe 42; a heat utilization device 43 provided in the middle of the heat supply pipe 42, the heat supply pipe 42 communicating with the heat utilization device 43; a water pump 44 installed between the inlet end of the heat supply pipe 42 and the heat using device 43; and a cylindrical body 45 arranged inside the boiler outer shell 1, wherein the cylindrical body 45 is sleeved outside the inner shell 31, the bottom of the cylindrical body 45 is sealed and fixedly connected with the bottom surface inside the boiler outer shell 1, and the outlet end of the heat supply pipe 42 is communicated with the bottom of the boiler outer shell 1 between the inner shell 31 and the cylindrical body 45.
Specifically, in the initial state, purified water is injected into the inner casing 31 through the inner circulation water inlet pipe 32, and then valves of the inner circulation water inlet pipe 32 and the inner circulation steam exhaust pipe 33 are closed; the inside of the boiler shell 1 is filled with certain water through the external circulation water inlet pipe 41, the electric heating element 2 is started to heat purified water in the inner shell 31, heat is transferred to the water in the boiler shell 1 through the inner shell 31, when the water in the boiler shell 1 is heated to be capable of performing a steam heat supply function, the water pump 44 is started to supply steam and heat to the heat utilization equipment 43 through the heat supply pipe 42, at the moment, the water in the boiler shell 1 flows through the longer heat supply pipe 42 and the more heat utilization equipment 43, certain impurities can be formed, the water with the impurities is easy to form scale after being heated, the electric heating element 2 is arranged in the sealed purified water through the internal circulation power system 3, and the water with the impurities is prevented from forming scale on the surface of the electric heating element 2.
In a second embodiment, please refer to fig. 1,2,3 and 4, another embodiment of the present invention is as follows: specifically, in the initial state, the inner circulation steam exhaust pipe 33 is opened, the outer circulation water inlet pipe 41 is closed, purified water is injected into the inner shell 31 through the inner circulation water inlet pipe 32, then the purified water in the inner shell 31 is heated by starting the electric heating element 2, the water quantity in the inner shell 31 is smaller than that in the boiler outer shell 1, the electric heating element 2 can quickly heat the purified water in the inner shell 31 to form steam, the heat supply and steam supply can be performed on the heat utilization equipment 43 through the inner circulation steam exhaust pipe 33 and the heat supply pipe 42, the purified water can have certain impurities through the longer heat supply pipe 42 and the more heat utilization equipment 43, the purified water flows into the space between the inner shell 31 and the cylindrical body 45 through the outlet end of the heat supply pipe 42, the water flowing out from the outlet end of the heat supply pipe 42 has certain heat, and the heat conduction heating through inner shell 31 can form steam and flow to the heat equipment 43 from the entry end of heating tube 42 and recycle, when the inside water of tube-shape body 45 is full, can flow into the region between tube-shape body 45 and the boiler shell 1 lateral wall from tube-shape body 45 top, when boiler shell 1 inside water has a certain amount, close inner loop steam exhaust pipe 33 and inner loop water inlet pipe 32 again for inner loop driving system 3 and outer loop driving system 4 are in two sealed independent states again, avoided the water that has impurity forms the incrustation on the surface of electric heating element 2, through this kind of water adding mode, can be quick with pure water heating steam formation, make the steam generation more rapidly, supply more timely, avoid when boiler shell 1 inside has more water, lead to heating steam generation slow, the untimely problem of steam supply.
Referring to fig. 3 and 4, the internal circulation power system 3 further includes:
a plurality of circulation pipes 34 circumferentially arranged outside the inner casing 31, the circulation pipes 34 being vertically arranged, and both ends of the circulation pipes 34 being respectively communicated with an upper side surface and a lower side surface of the inner casing 31; and
An inner power assembly 35 provided inside the inner case 31, the inner power assembly 35 being for flowing water inside the inner case 31 from a lower end of the circulation pipe 34 toward an upper end of the circulation pipe 34 and into the inner case 31.
Referring to fig. 3 and 4, the inner power assembly 35 includes: a cylinder 351 rotatably provided at an inner bottom surface of the inner case 31; a first rotary blade 352 fixedly coupled to an outer side wall of an upper portion of the cylinder 351; a rotating shaft 353 arranged above the cylinder 351, wherein the upper end of the rotating shaft 353 penetrates through the top of the inner shell 31 and the top of the boiler outer shell 1, and the rotating shaft 353 is in rotary sealing connection with the top of the inner shell 31 and the boiler outer shell 1; and a connecting rod 354 arranged between the rotating shaft 353 and the cylinder 351, wherein two ends of the connecting rod 354 are fixedly connected with the bottom of the rotating shaft 353 and the upper end of the cylinder 351 respectively.
Referring to fig. 4 and 5, the external circulation power system 4 further includes an external power assembly 46 disposed between the inner shell 31 and the boiler outer shell 1, and the external power assembly 46 includes: a ring 461 sleeved and rotationally connected on the outer wall of the inner shell 31; a plurality of second rotating blades 462 fixedly connected to the bottom of the annular body 461 in a circumferential direction for driving water inside the boiler housing 1 to flow downward, the second rotating blades 462 being obliquely arranged; and a driving rod 463 with two ends respectively fixedly connected with the side wall of the rotating shaft 353 and the top of the annular body 461.
Referring to fig. 3, fig. 4, fig. 5, the cleaning device further includes a plurality of cleaning mechanisms 5 for cleaning the surface of the circulation pipe 34, the cleaning mechanisms 5 are sleeved on and slidingly connected to the outer wall of the circulation pipe 34, and the cleaning mechanisms 5 include: the annular piece 51 is sleeved on the outer wall of the circulating pipeline 34 in a sliding manner, the annular piece 51 and the circulating pipeline 34 cannot rotate, and bristles are arranged on the inner wall of the annular piece 51; and a first floating body 52 sleeved and fixedly connected to the outer wall of the annular member 51; the filter piece 53 is sleeved and fixedly connected to the outer wall of the first floating body 52, and the filter piece 53 can be made of polytetrafluoroethylene, glass fiber and the like; the limiting body 54 is fixedly connected to the outer wall of the circulating pipeline 34, and the limiting body 54 is arranged above the annular piece 51; and a push-down assembly 55 disposed above the filter 53 for driving the filter 53 to move downward.
Referring to fig. 5, the push-down assembly 55 includes: comprises an extension rod 551 fixedly connected to the top surface of the filter 53; and an elastic ball 552 fixedly connected to the top surface of the extension rod 551, wherein the upper portion of the elastic ball 552 is located between the top and bottom of the second rotating leaf 462, the second rotating leaf 462 can push the elastic ball 552 to move downwards, and the elastic ball 552 can be made of silicone rubber, fluororubber or the like.
In a third embodiment, please refer to fig. 3,4 and 5, another embodiment of the present invention is as follows: specifically, when the internal circulation power system 3 and the external circulation power system 4 are in two sealed independent states, the motor is installed at the top of the boiler shell 1 and drives the first rotary blade 352 to rotate through the rotating shaft 353 and the connecting rod 354, the first rotary blade 352 can enable purified water inside the inner shell 31 to flow from the lower end of the circulation pipeline 34 to the upper end of the circulation pipeline 34 and enter the inner shell 31, so that the water temperature inside the inner shell 31 is more uniform, simultaneously, the motor drives the second rotary blade 462 through the rotating shaft 353, the driving rod 463 and the annular body 461, so that the water temperature between the inner shell 31 and the boiler shell 1 is more uniform, water between the inner shell 31 and the boiler shell 1 can exchange heat with water inside the inner shell 31 in time, heat exchange efficiency is improved, meanwhile, the second rotary blade 462 drives the filter 53, the first floating body 52 and the annular body 51 to move downwards for a certain distance through the extending rod 551, the first floating body 52 drives the filter 53 and the annular body 51 to move upwards, and the attached matters on the inner wall of the annular body 51 can be influenced by the brush hair 34 and the outer wall of the circulation pipeline 34, and the scale deposit on the circulation power system 3 and the heat exchange efficiency of the external circulation power system 4 are solved.
Please refer to fig. 5 and 6, further include a stirring mechanism 6 disposed on the water surface inside the boiler shell 1, the stirring mechanism 6 is used for stirring the water surface inside the boiler shell 1, and the stirring mechanism 6 includes: a stirring plate 61 provided on the water surface inside the boiler case 1; a second floating body 62 fixedly connected to the bottom surface of the stirring plate 61; and a threaded rod 63 penetrating through the middle of the stirring plate 61, wherein the threaded rod 63 is in threaded connection with the stirring plate 61, and the bottom end of the threaded rod 63 is fixedly connected with the upper top surface of the extension rod 551.
Specifically, through the second rotating leaf 462, through striking the elastic ball 552, the elastic ball 552 and the first floating body 52 drive the extension rod 551 to move down and up successively, at this moment, the extension rod 551 can drive the threaded rod 63 to move up and down, because the second floating body 62 drives the stirring plate 61 to float on the inside water surface of the boiler shell 1 all the time, the threaded rod 63 that reciprocates can drive the stirring plate 61 to rotate positively and negatively alternately, the stirring plate 61 can stir the inside water surface of the boiler shell 1, increase the steam emission, make the stirring plate 61 always be in the inside water surface position of the boiler shell 1, along with the steam emission, the water quantity in the boiler shell 1 decreases, or when adding water to the boiler shell 1, the water quantity increases, all can lead to the water surface height difference, can drive the stirring plate 61 to adapt to the water surface of different heights through setting up the second floating body 62, so that the stirring plate 61 can stir the inside water surface of the boiler shell 1 and thereby increase the steam emission.
Referring to fig. 5, 6 and 7, the device further comprises a impurity removing mechanism 7 disposed on the top surface of the stirring plate 61, the impurity removing mechanism 7 is used for collecting floating impurities on the water surface inside the boiler shell 1, and the impurity removing mechanism 7 comprises: the collection box 71 fixedly connected to the top surface of the end part of the stirring plate 61, a collection opening 72 is formed in the side surface of the collection box 71, a collection cavity 73 is formed in the middle of the inside of the collection box 71, and a plurality of filtering holes 74 are formed in the cavity of the collection cavity 73.
Referring to fig. 6 and 7, the impurity removing mechanism 7 further includes: the heightening body 75 is arranged between the collecting box 71 and the top surface of the stirring plate 61, two ends of the collecting box 71 are obliquely arranged, one end, far away from the threaded rod 63, of the collecting box 71 is a high end, and one end, close to the threaded rod 63, of the collecting box 71 is a low end; and an anti-blocking assembly 76 disposed inside the collection chamber 73, the anti-blocking assembly 76 for preventing collected floats from blocking the filtering holes 74; wherein the anti-blocking assembly 76 comprises: a moving body 761 slidably disposed in the collection chamber 73, wherein a brush is fixedly connected to a side portion of the moving body 761; and a guide lever 762 penetrating and slidably connecting the moving body 761, the guide lever 762 is disposed in the collection chamber 73, and both ends of the guide lever 762 are fixedly connected to the collection box 71.
Referring to fig. 7, a plurality of storage slots 77 are disposed in the collection box 71, the storage slots 77 are disposed on the bottom surface of the collection chamber 73, and the storage slots 77 are disposed in the high-end portion of the collection box 71.
Specifically, when the stirring plate 61 does not rotate, the moving body 761 is located at the lower end of the collecting box 71 due to gravity, when the stirring plate 61 rotates, the collecting port 72 of the collecting box 71 can collect floating impurities on the water surface, the moving body 761 can slide along the guide rod 762 in the collecting cavity 73 towards the higher end of the collecting box 71, the side part of the moving body 761 is fixedly connected with the brush and can bring the impurities collected in the collecting cavity 73 into the storage tank 77, the impurities can be prevented from blocking the filtering holes 74 and can be also brought into the storage tank 77, and the storage tank 77 is located at a higher position than the water surface, so that the impurities are isolated from the water, the impurities are prevented from entering the water again due to the impact of water flow in the collecting cavity 73, and the impurities are prevented from being in the water for a long time and melting to affect the water quality.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. A double circulation hydrodynamic system for inside electricity drives boiler, its characterized in that: comprising the following steps:
a boiler housing (1);
an electric heating element (2) arranged inside the boiler housing (1);
an internal circulation power system (3) arranged inside the boiler shell (1); and
An external circulation power system (4) for supplying steam to the heating installation;
The internal circulation power system (3) comprises:
an inner shell (31) arranged on the inner bottom surface of the boiler outer shell (1), wherein the electric heating element (2) is arranged inside the inner shell (31), and water inside the inner shell (31) is purified water;
An inner circulating water inlet pipe (32) arranged at the bottom of the inner shell (31), wherein a valve is arranged at the pipe orifice of the inner circulating water inlet pipe (32); and
An internal circulation steam exhaust pipe (33) with one end communicated with the top of the inner shell (31), wherein a valve is arranged at the pipe orifice of the internal circulation steam exhaust pipe (33);
the external circulation power system (4) comprises:
an external circulation water inlet pipe (41) arranged at the side part of the boiler shell (1);
The two ends of the internal circulation steam exhaust pipe are respectively connected with a heat supply pipe (42) of the boiler shell (1), the inlet end of the heat supply pipe (42) is communicated with the top of the boiler shell (1), the inlet end of the heat supply pipe (42) is provided with a one-way valve, the outlet end of the heat supply pipe (42) is communicated with the bottom of the boiler shell (1), and one end of the internal circulation steam exhaust pipe (33) penetrates through the boiler shell (1) and is communicated with the side wall of the inlet end of the heat supply pipe (42);
a heat utilization device (43) in the middle of the heat supply pipe (42);
A water pump (44) installed between the inlet end of the heat supply pipe (42) and the heat utilization device (43); and
The boiler comprises a cylindrical body (45) arranged inside a boiler outer shell (1), wherein the cylindrical body (45) is sleeved outside an inner shell (31), the bottom of the cylindrical body (45) is sealed and fixedly connected with the inner bottom surface of the boiler outer shell (1), and the outlet end of a heating pipe (42) is communicated with the bottom of the boiler outer shell (1) between the inner shell (31) and the cylindrical body (45).
2. A dual cycle hydrokinetic system for use inside an electrically driven boiler according to claim 1, wherein: the internal circulation power system (3) further comprises:
The circulating pipelines (34) are circumferentially arranged outside the inner shell (31), the circulating pipelines (34) are vertically arranged, and two ends of each circulating pipeline (34) are respectively communicated with the upper side surface and the lower side surface of the inner shell (31); and
An inner power assembly (35) disposed inside the inner casing (31), the inner power assembly (35) being configured to flow water inside the inner casing (31) from a lower end of the circulation pipe (34) to an upper end of the circulation pipe (34) and into the inner casing (31).
3. A dual cycle hydrokinetic system for electrically driven boiler interiors according to claim 2, wherein: the inner power assembly (35) comprises:
a cylinder (351) rotatably provided on the inner bottom surface of the inner case (31);
A first rotary blade (352) fixedly connected to the outer side wall of the upper part of the cylinder (351);
The rotating shaft (353) is arranged above the cylinder (351), the upper end of the rotating shaft (353) penetrates through the top of the inner shell (31) and the top of the boiler outer shell (1), and the rotating shaft (353) is in rotary sealing connection with the top of the inner shell (31) and the boiler outer shell (1); and
The connecting rod (354) is arranged between the rotating shaft (353) and the cylinder (351), and two ends of the connecting rod (354) are fixedly connected with the bottom of the rotating shaft (353) and the upper end of the cylinder (351) respectively.
4. A dual cycle hydrokinetic system for use inside an electrically driven boiler according to claim 3, wherein: the external circulation power system (4) further comprises an external power assembly (46) arranged between the inner shell (31) and the boiler outer shell (1), and the external power assembly (46) comprises:
a ring body (461) sleeved and rotationally connected with the outer wall of the inner shell (31);
a plurality of second rotary blades (462) fixedly connected to the bottom of the annular body (461) in circumference, wherein the second rotary blades (462) are obliquely arranged; and
The two ends are respectively fixedly connected with the side wall of the rotating shaft (353) and the driving rod (463) at the top of the annular body (461).
5. A dual cycle hydrokinetic system for use inside an electrically driven boiler as set forth in claim 4, wherein: still including a plurality of clearance mechanism (5) that are used for clearing up circulation pipeline (34) surface, clearance mechanism (5) cover is established and sliding connection is on circulation pipeline (34) outer wall, clearance mechanism (5) include:
the annular piece (51) is sleeved on the outer wall of the circulating pipeline (34) in a sliding manner, the annular piece (51) and the circulating pipeline (34) cannot rotate, and bristles are arranged on the inner wall of the annular piece (51); and
A first floating body (52) sleeved and fixedly connected to the outer wall of the annular piece (51); and
A filter (53) sleeved and fixedly connected to the outer wall of the first floating body (52);
the limiting body (54) is fixedly connected to the outer wall of the circulating pipeline (34), and the limiting body (54) is arranged above the annular piece (51); and
And the pushing-down component (55) is arranged above the filter piece (53) and used for driving the filter piece (53) to move downwards.
6. A dual cycle hydrokinetic system for use inside an electrically driven boiler as set forth in claim 5, wherein: the push-down assembly (55) includes:
comprises an extension rod (551) fixedly connected with the top surface of the filter element (53); and
And the elastic ball (552) is fixedly connected to the top surface of the extension rod (551), the upper part of the elastic ball (552) is positioned between the top and the bottom of the second rotary blade (462), and the second rotary blade (462) can push the elastic ball (552) to move downwards.
7. A dual cycle hydrokinetic system for use inside an electrically driven boiler according to claim 6, wherein: still including setting up rabbling mechanism (6) on the inside surface of water of boiler shell (1), rabbling mechanism (6) are used for stirring the inside surface of water of boiler shell (1), rabbling mechanism (6) include:
a stirring plate (61) arranged on the water surface inside the boiler shell (1);
a second floating body (62) fixedly connected to the bottom surface of the stirring plate (61); and
The threaded rod (63) penetrates through the middle of the stirring plate (61), the threaded rod (63) is in threaded connection with the stirring plate (61), and the bottom end of the threaded rod (63) is fixedly connected with the upper top surface of the extension rod (551).
8. A dual cycle hydrokinetic system for use inside an electrically driven boiler according to claim 7, wherein: still including setting up impurity removing mechanism (7) at stirring board (61) top surface, impurity removing mechanism (7) are used for collecting the floating impurity on the inside surface of water of boiler shell (1), and impurity removing mechanism (7) include: the collection box (71) of rigid coupling at stirring board (61) tip top surface, collection mouth (72) have been seted up to collection box (71) side, collection chamber (73) are set up in the middle of collection box (71) inside, a plurality of filtration holes (74) have been seted up on the cavity of collection chamber (73).
9. A dual cycle hydrokinetic system for electrically driven boiler interiors according to claim 8, wherein: the impurity removing mechanism (7) further comprises:
The heightening body (75) is arranged between the collecting box (71) and the top surface of the stirring plate (61), two ends of the collecting box (71) are obliquely arranged, one end, far away from the threaded rod (63), of the collecting box (71) is at a high end, and one end, close to the threaded rod (63), of the collecting box (71) is at a low end; and
An anti-blocking assembly (76) disposed inside the collection chamber (73), the anti-blocking assembly (76) being configured to prevent collected floats from blocking the filter holes (74);
Wherein the anti-blocking assembly (76) comprises:
A moving body (761) slidably disposed in the collection chamber (73), wherein a brush is fixedly connected to the edge of the moving body (761); and
And a guide rod (762) penetrating through and slidingly connected with the moving body (761), wherein the guide rod (762) is arranged in the collecting cavity (73), and two ends of the guide rod (762) are fixedly connected with the collecting box (71).
10. A dual cycle hydrokinetic system for electrically driven boiler interiors according to claim 8, wherein: the collecting box (71) is internally provided with a plurality of storage grooves (77), the storage grooves (77) are formed in the bottom surface of the inner portion of the collecting cavity (73), and the storage grooves (77) are located in the high-end portion of the collecting box (71).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410472891.4A CN118089006B (en) | 2024-04-19 | 2024-04-19 | Double-circulation hydrodynamic system for inside of electric drive boiler |
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| CN202410472891.4A CN118089006B (en) | 2024-04-19 | 2024-04-19 | Double-circulation hydrodynamic system for inside of electric drive boiler |
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| KR100865081B1 (en) * | 2008-05-13 | 2008-10-24 | (주)화성에너지 | Energy saving type electric boiler |
| KR20170128034A (en) * | 2016-05-14 | 2017-11-22 | 신극천 | Fluid circulating steam boiler |
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