CN109539573B - Solar water heater integrating heat collection, heat exchange and building - Google Patents
Solar water heater integrating heat collection, heat exchange and building Download PDFInfo
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- CN109539573B CN109539573B CN201811568975.9A CN201811568975A CN109539573B CN 109539573 B CN109539573 B CN 109539573B CN 201811568975 A CN201811568975 A CN 201811568975A CN 109539573 B CN109539573 B CN 109539573B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 288
- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
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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
- F28F9/02—Header boxes; End plates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to a solar water heater integrating heat collection, heat exchange and building, which comprises a heat collector, a plate heat exchange box and a water storage tank, wherein the heat collector is obliquely arranged outside a balcony wall body, the plate heat exchange box is embedded and arranged in a balcony outer wall, the heat collection, the heat exchange and the building are integrated, the core part of the plate heat exchange box is a middle partition plate with corrugated launders on two sides, the heat exchange box is divided into a left cavity and a right cavity by the middle partition plate, the left cavity is a heat-releasing flow channel of a heating medium, the right cavity is a heat-absorbing flow channel of hot water, an upper header pipe and a lower header pipe are respectively arranged on the corrugated launders, the heating medium and the hot water enter the corresponding launders from the upper header pipe and flow downwards along the corrugated launders, and heat exchange is carried out in the flowing process. According to the invention, the heat exchanger is separated from the water storage tank, the size and weight of the water storage tank are reduced, the hot water pump is arranged for forced circulation, so that the water storage tank is more flexible in position setting, the heat exchange effect is good, and the application prospect of the flat balcony type solar water heater is improved.
Description
Technical Field
The invention belongs to the technical field of solar water heaters, and particularly relates to a solar water heater integrating heat collection, heat exchange and building.
Background
In the field of solar energy utilization, the mature technology mainly adopts solar energy heat utilization, and the flat-plate balcony type solar water heater is the most common and has wider application. The flat-plate balcony type solar water heater generally uses an externally-hung balcony type flat-plate heat collector, an indoor water tank is a secondary heat exchange type pressure-bearing water tank integrating water storage and heat exchange, the volume and the weight of the whole water tank are large no matter double-shell secondary heat exchange or coil pipe type heat exchange is adopted, a plurality of restrictive factors are brought to the arrangement of the water tank, and the application of the flat-plate balcony type solar water heater is greatly influenced. How to improve the heat transfer structure of the heat exchanger and properly set the position of the heat exchanger becomes a hot topic in the future, if the improvement is completed, the installation position of the water storage tank is greatly improved, the integration with balcony buildings is realized, and the application of the flat-plate balcony type solar water heater is promoted.
Disclosure of Invention
The invention aims to: in order to overcome the defects of poor secondary heat exchange effect of a water storage tank, huge volume of a water tank and the like of a flat-plate balcony type solar water heater in the prior art, the invention provides a solar water heater integrating heat collection, heat exchange and building.
In order to achieve the aim, the invention is realized by the following technical scheme:
the utility model provides a solar water heater of heat collection heat transfer and building integration, includes heat collector, storage water tank, plate heat transfer case and the PLC controller that are linked together, be equipped with heat collector upper header on the heat collector, the heat medium absorbs heat in the heat collector, rise to heat collector upper header rethread and the first heat medium connecting tube of its intercommunication get into plate heat transfer incasement, plate heat transfer case is inclosed flat box, plate heat transfer case's thickness is unanimous with balcony outer wall thickness, the embedding is installed in the balcony outer wall, can build into an organic whole with the balcony, plate heat transfer incasement sets up one deck intermediate baffle, the intermediate baffle divides plate heat transfer case into two left and right chambeies, the left chamber is the passageway that the heat medium was exothermic, the right chamber is the passageway that the heat absorption flows, intermediate baffle left and right both sides heat and weld first ripple form chute and second ripple form chute respectively, plate heat transfer case left and right chamber's top and bottom all set up upper header and lower header, heat medium passes through the first upper header and left side upper header and left chamber and left side chamber upper header upper and lower header that the heat transfer chamber of heat transfer case passes through in proper order, left side chamber, left side heat transfer case and left side chamber is gone into slowly down the heat transfer chamber is passed through, the heat transfer chamber is passed through to the heat absorber slowly is flowed down to the heat collector, the heat transfer chamber is cooled down. The water storage tank is respectively communicated with the second upper header at the top of the right cavity of the plate-type heat exchange tank and the second lower header at the bottom through the heat exchange tank hot water circulation water inlet pipe and the heat exchange tank hot water circulation water outlet pipe, hot water in the water storage tank enters the second corrugated launder of the plate-type heat exchange tank through the heat exchange tank hot water circulation water inlet pipe, slowly descends, absorbs heat emitted by the heat medium on the opposite side of the middle partition plate, and flows into the water storage tank through the heat exchange tank hot water circulation water outlet pipe.
Further, the top and the bottom of the heat collector are respectively provided with an upper heat collector header and a lower heat collector header which are communicated, the upper heat collector header is communicated with the first corrugated launder and is communicated with the first heat medium connecting pipeline, the first corrugated launder of the plate heat exchange box is communicated through the first heat medium connecting pipeline, heat is absorbed in the heat collector, and the upper heat collector header rising to the top of the heat collector enters each micro launder of the first corrugated launder through the first heat medium connecting pipeline to release heat and then enters the lower heat collector header.
Further, a first upper header is arranged at the top of the left cavity of the plate heat exchange box and is communicated with an upper header of the heat collector through a first heat medium connecting pipeline, a first lower header is arranged at the bottom of the left cavity and is communicated with a lower header of the heat collector through a second heat medium connecting pipeline, the first upper header and the first lower header are both communicated with a first corrugated launder, heat medium enters the first corrugated launder through the upper header of the heat collector and the first upper header, flows to the first lower header along the first corrugated launder and then enters the lower header of the heat collector through the second heat medium connecting pipeline.
Further, a second upper header is arranged at the top of the right cavity of the plate type heat exchange box, a second lower header is arranged at the bottom of the right cavity, the second upper header and the second lower header are both communicated with a second corrugated launder, the second upper header is communicated with a water storage tank through a hot water circulation water inlet pipe of the heat exchange box, the second lower header is communicated with the water storage tank through a hot water circulation water outlet pipe of the heat exchange box, a hot water circulation pump is arranged on the hot water circulation water outlet pipe of the heat exchange box and is connected with the water storage tank and is provided with a corresponding valve, the hot water in the water storage tank is connected with a PLC and is controlled by the PLC, the hot water in the water storage tank sequentially passes through the hot water circulation water inlet pipe of the heat exchange box and the second upper header to be distributed into each launder of the second corrugated launder, heat released by the heat medium is continuously lowered and absorbed, the hot water is collected by the second lower header, and when the hot water circulation pump is started and provides power, the hot water in the second lower header returns to the water storage tank through the hot water circulation water outlet pipe of the heat exchange box, and the hot water circulation water pipe stretches into the top of the water storage tank, and is controlled by the hot water circulation water pipe of the heat exchange box to stretch into the top, and the water in the water storage tank is guaranteed to be layered.
Furthermore, the plate heat exchange box forms a closed box body through the front sealing plate and the rear sealing plate, the box body of the plate heat exchange box is double-layer, the middle is filled with heat insulation materials, phenolic foam is adopted for foaming and heat insulation, the material on the outer surface of the plate heat exchange box is sunlight-resistant and rain-resistant, and the material on the outer surface of the plate heat exchange box can be sprayed with corresponding colors according to the appearance colors of buildings.
Furthermore, the heat collector is a coil pipe and fin type heat collector, a blue titanium heat absorbing plate is adopted to enhance heat absorption, and the heat absorbing and exchanging area of the heating medium is enhanced by the fins, so that the heating medium is heated rapidly, and the water storage tank is a heat preservation water storage tank.
Furthermore, the water storage tank is communicated with a water supplementing pipe of the water storage tank and a water outlet pipe of the water storage tank, water is supplemented to the water storage tank through the water supplementing pipe of the water storage tank, a ball float valve is arranged in the water storage tank and controls the liquid level of the water storage tank, and a water point is connected through the water outlet pipe of the water storage tank.
Further, the balcony outer wall, the floor slab, the wall body and the top plate are balcony building enclosing structures, and the thickness of the plate type heat exchange box is 200mm.
Furthermore, a hot water circulating pump is arranged on a pipeline of the hot water circulating water outlet pipe of the heat exchange box entering the water storage tank, and a corresponding valve is arranged.
Further, a first temperature sensor is arranged in the water storage tank of the hot water circulation water inlet pipe of the heat exchange tank, a second temperature sensor is arranged on the surface of the first heat medium connecting pipeline, and the starting and the closing of the hot water circulation pump are controlled according to the temperature difference between the first temperature sensor and the second temperature sensor.
Furthermore, the first heat medium connecting pipeline, the second heat medium connecting pipeline, the heat exchange box hot water circulation water inlet pipe, the heat exchange box hot water circulation water outlet pipe and the water storage tank water outlet pipe are all concealed and insulated in the floor or the wall of the balcony building envelope, and a user can select a proper position for concealed installation according to actual conditions.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a solar water heater integrating heat collection, heat exchange and construction, which comprises a heat collector, a plate heat exchange box and a water storage tank, wherein the heat collector adopts a coil pipe and a fin type heat collector, a blue titanium heat absorption plate is adopted to enhance heat absorption, fins are adopted to enhance the heat absorption and heat exchange area of a heat medium, so that the heat medium is quickly warmed, the plate heat exchange box is shaped as a sealed flat box body, the heat exchange box body is embedded and installed in an external balcony wall, a middle partition plate is arranged at the core part of the plate heat exchange box body, the periphery of the plate heat exchange box body is sealed, the plate heat exchange box body is divided into a left cavity and a right cavity by the middle partition plate, the left cavity is a heat medium heat release flow channel, and the right cavity is a hot water heat absorption flow channel; the corrugated flow grooves are welded on two sides of the middle partition plate, an upper header pipe and a lower header pipe are arranged on the upper side and the lower side of the corrugated flow grooves, heating medium and hot water uniformly enter corresponding flow passages from the corresponding upper header pipes and slowly flow downwards along the corresponding corrugated flow grooves, heat exchange is carried out in the flowing process, heat exchange between two side surfaces and the surface of the middle partition plate is formed, and the heat exchange effect is greatly improved. The solar water heater integrating heat collection, heat exchange and construction is improved in structure, the improved heat exchanger structure is a plate-type heat exchange box, the shape of the improved heat exchanger structure is a flat box body, the heat exchanger is integrated with the balcony outer wall, a connecting pipeline of the heat collector and heat exchanger heating medium is shortened, the heat exchanger is separated from a water storage tank, the volume and the weight of the water storage tank are greatly reduced, a water pump is arranged in a hot water pipeline for forced circulation, the position of the water storage tank is more flexible, and the application place of the flat-plate balcony type solar water heater is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a heat medium side tube of the plate heat exchanger of the present invention;
FIG. 3 is a schematic view of a hot water side tube of the plate heat exchanger of the present invention;
FIG. 4 is a diagram of the control hardware of the hot water circulating pump of the present invention;
FIG. 5 is a logic determination flow chart of the hot water circulating pump control system of the present invention;
wherein: the heat collector comprises a 1-heat collector, a 2-heat collector upper header, a 3-first heat medium connecting pipeline, a 4-first upper header, a 5-first corrugated launder, a 6-first lower header, a 7-second heat medium connecting pipeline, a 8-heat collector lower header, a 9-water storage tank, a 10-heat exchange tank hot water circulation water inlet pipe, a 11-second upper header, a 12-second corrugated launder, a 13-second lower header, a 14-heat exchange tank hot water circulation water outlet pipe, a 15-hot water circulation pump, a 16-middle partition plate, a 17-front sealing plate, a 18-rear sealing plate, a 19-plate heat exchange tank, a 20-balcony outer wall, a 21-floor slab, a 22-wall body, a 23-top plate, a 24-water storage tank water supplementing pipe, a 25-water storage tank water outlet pipe, a 26-ball valve, a 27-first temperature sensor, a 28-second temperature sensor and a 29-PLC controller.
Detailed Description
The invention is further explained below with reference to the drawings.
As shown in fig. 1-3, the solar water heater integrating heat collection, heat exchange and building comprises a heat collector 1, a water storage tank 9, a plate heat exchange box 19 and a PLC (programmable logic controller) 29 which are communicated, wherein the heat collector 1 is obliquely arranged at the outer side of a balcony, and the installation angle is required to be determined according to the calculation of a local geographic position; the water storage tank 9 is arranged at the position close to the ceiling of the balcony side wall or according to the house type in the jacket, the plate type heat exchange box 19 is embedded and arranged on the balcony outer wall 20, the PLC 29 is arranged at the position close to the water storage tank 9 and is arranged in a downward direction, and the height is about 1.8 meters. The solar water heater separates a conventional heat exchanger from a water storage tank 9 to form a plate heat exchange box 19, so that the volume and the weight of the water storage tank 9 are greatly reduced, a heat collector upper header 2 is arranged on the heat collector 1, heat is absorbed in the heat collector 1, the heat medium rises to the heat collector upper header 2 and then enters the plate heat exchange box 19 through a first heat medium connecting pipeline 3 communicated with the heat collector upper header 2, the plate heat exchange box 19 is a sealed flat box body, the thickness is 200mm, the thickness of the plate heat exchange box 19 is consistent with the thickness of a balcony outer wall 2, the plate heat exchange box 19 is embedded into a balcony outer wall 20 to be integrated with a balcony building, the integrated balcony outer wall is attractive and elegant in appearance and practical, a layer of middle partition 16 is arranged in the plate heat exchange box 19, the middle partition 16 divides the plate heat exchange box 19 into a left cavity and a right cavity, the left cavity is a heat medium heat release flow channel, the right cavity is a hot water heat absorption flow channel, the left and right sides of the middle partition plate 16 are respectively welded with a first corrugated launder 5 and a second corrugated launder 12, the top and the bottom of the left and right cavities of the plate heat exchange box 19 are respectively provided with an upper header and a lower header, a heating medium sequentially passes through the upper header 2 of the heat collector and the first upper header 4 of the left cavity to enter the first corrugated launder 5, slowly descend and emit heat, then passes through the first lower header 6 of the left cavity to enter the lower header 8 of the heat collector to complete heat absorption and release circulation, the water storage tank 9 is respectively communicated with the second upper header 11 at the top of the right cavity of the plate heat exchange box 19 and the second lower header 13 at the bottom of the right cavity of the plate heat exchange box 19 through the hot water circulation inlet pipe 10 of the heat exchange box, the hot water in the water storage tank 9 slowly descends to absorb the heat emitted by the opposite side heating medium of the middle partition plate 16, and then flows into the water storage tank 9 through the hot water circulation water outlet pipe 14 of the heat exchange tank.
The top and the bottom of the heat collector 1 are respectively provided with a heat collector upper header 2 and a heat collector lower header 8 which are communicated, the heat collector upper header 2 is communicated with the first corrugated launder 5 and is communicated with the first heat medium connecting pipeline 3, the first corrugated launder 5 of the plate heat exchange box 19 is communicated through the first heat medium connecting pipeline 3, heat medium absorbs heat in the heat collector 1, and the heat collector upper header 2 rising to the top of the heat collector 1 enters each micro launder of the first corrugated launder 5 through the first heat medium connecting pipeline 3 to release heat and then enters the heat collector lower header 8.
The top of the left cavity of the plate heat exchange box 19 is provided with a first upper header 4, the first upper header 4 is communicated with the upper header 2 of the heat collector through a first heat medium connecting pipeline 3, the bottom of the left cavity is provided with a first lower header 6, the first lower header 6 is communicated with the lower header 8 of the heat collector through a second heat medium connecting pipeline 7, the first upper header 4 and the first lower header 6 are both communicated with the first corrugated launder 5, heat medium enters the first corrugated launder 5 through the upper header 2 of the heat collector and the first upper header 4, flows to the first lower header 6 along the first corrugated launder 5 and then enters the lower header 8 of the heat collector through the second heat medium connecting pipeline 7.
The top of the right cavity of the plate type heat exchange box 19 is provided with a second upper header 11, the bottom of the right cavity is provided with a second lower header 13, the second upper header 11 and the second lower header 13 are both communicated with a second corrugated launder 12, the second upper header 11 is communicated with the water storage tank 9 through a heat exchange box hot water circulation water inlet pipe 10, the second lower header 13 is communicated with the water storage tank 9 through a heat exchange box hot water circulation water outlet pipe 14, a hot water circulation pump 15 is arranged on the heat exchange box hot water circulation water outlet pipe 14 and connected with the water storage tank 9, and a corresponding valve is arranged, hot water in the water storage tank 9 is distributed to each launder of the second corrugated launder 12 sequentially through the heat exchange box hot water circulation water inlet pipe 10 and the second upper header 11, heat released by a heating medium is continuously lowered and absorbed, hot water is collected by the second lower header 13, when the hot water circulation pump 15 is started and power is provided, the hot water in the second lower header 13 returns to the water storage tank 9 through the heat exchange box hot water circulation water outlet pipe 14, and the heat exchange box hot water circulation water outlet pipe 14 stretches into the top of the water storage tank 9, and the hot water circulation water pipe extends into the top of the water storage tank 9, and the layering of the hot water in the water storage tank 9 is ensured.
The first temperature sensor 27 is arranged in the water storage tank 9, the second temperature sensor 28 is arranged on the surface of the first heat medium connecting pipeline 3, and the starting and the closing of the hot water circulating pump 15 are controlled according to the temperature difference between the first temperature sensor 27 and the second temperature sensor 28. Specifically, the input end of the PLC controller 29 is connected to the first temperature sensor 27 and the second temperature sensor 28, the first temperature sensor 27 and the second temperature sensor 28 are respectively used for monitoring the temperature of the water in the water tank 9 and the temperature of the first heat medium connecting pipe 3 in real time, converting the temperature into data that the PLC controller 29 can process, uploading the data to the PLC controller 29 for processing, the PLC controller 29 receives the temperature data, calculates the actual temperature difference, compares the actual temperature difference with the internal preset temperature difference threshold, and makes commands for driving the hot water circulation pump 15 to be started and closed, and the PLC controller 29 can also display the temperature data monitored by the first temperature sensor 27 and the second temperature sensor 28 in real time.
The plate type heat exchange box 19 forms a closed box body through the front sealing plate 17 and the rear sealing plate 18, and the box body of the plate type heat exchange box 19 is double-layered and adopts phenolic foam to foam for heat preservation.
The heat collector 1 is a coil pipe and fin type heat collector, adopts a blue titanium heat absorption plate to enhance heat absorption, enhances the heat absorption and heat exchange area of a heating medium through fins, ensures that the heating medium is heated rapidly, and the water storage tank 9 is a common heat preservation water storage tank.
The water storage tank 9 is communicated with the water storage tank water supplementing pipe 24 and the water storage tank water outlet pipe 25, water is supplemented to the water storage tank 9 through the water storage tank water supplementing pipe 24, and a water consumption point is connected through the water storage tank water outlet pipe 25, so that a user can use hot water conveniently.
The heat exchange box hot water circulation water outlet pipe 14 and the heat exchange box hot water circulation water inlet pipe 10 are both concealed in the floor slab 21 or the wall 22, and are insulated.
The working principle of the invention is as follows:
the heat collector 1 is a conventional high-efficiency heat collector, heat medium absorbs heat in the heat collector 1, rises to the upper heat collector header 2 of the heat collector 1, then enters the plate heat exchange box 19 through the first heat medium connecting pipeline 3, is uniformly distributed to each micro launder of the first corrugated launder 5 through the first upper header 4, slowly descends to release heat, and passes through the first lower header 6 to be collected, enters the lower heat collector header 8 through the second heat medium connecting pipeline 7 to complete heat absorption and release circulation.
Hot water in the water storage tank 9 enters the plate type heat exchange tank 19 through the heat exchange tank hot water circulation water inlet pipe 10, is uniformly distributed to each micro-launder of the second corrugated launder 12 by the second upper header 11, slowly descends, absorbs heat on the opposite side of the middle partition plate 16, and is collected by the second lower header 13, enters the water storage tank 9 through the heat exchange tank hot water circulation water outlet pipe 14 on the premise that the hot water circulation pump 15 provides power, and the heat exchange tank hot water circulation water outlet pipe 14 extends to the top of the water storage tank 9 to ensure layering of the hot water in the water storage tank 9.
After the hot water in the water storage tank 9 absorbs heat, the hot water reaches a certain temperature, a water consumption point is connected through a water storage tank water outlet pipe 25, and the water replenishing of the water storage tank 9 is controlled through a water storage tank water replenishing pipe 24 and the liquid level is controlled through a ball float valve 26, so that the water inflow of the water storage tank is controlled.
In order to achieve a better heat preservation effect, the wall of the water storage tank 9 is designed into a sandwich structure, and the middle layer is made of heat preservation materials.
The start and stop of the hot water circulating pump 15 is controlled by a PLC 29 according to the temperature difference between the first temperature sensor 27 and the second temperature sensor 28.
The working steps of the invention include:
step one, the water storage tank 9 is filled with water through the water supplementing pipe 24 of the water storage tank.
And secondly, the heat medium absorbs solar energy in the heat collector 1, the first temperature sensor 27 and the second temperature sensor 28 monitor the temperatures of the water storage tank 9 and the first heat medium connecting pipeline 3 in real time and upload the temperatures to the PLC 29 for processing, and when the actual temperature difference between the first temperature sensor 27 and the second temperature sensor 28 is larger than the preset temperature difference threshold in the PLC 29, the PLC 29 drives the hot water circulating pump 15 to start.
And thirdly, the heat medium continuously absorbs heat, heat is released in the left cavity of the plate heat exchange box 19, hot water absorbs heat in the right cavity of the plate heat exchange box 19, and the water temperature is continuously increased.
And step four, when the temperature difference between the first temperature sensor 27 and the second temperature sensor 28 is reduced to a certain value to be smaller than the preset temperature difference threshold value in the PLC 29, the PLC 29 drives the hot water circulating water pump 15 to be closed.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The utility model provides a solar water heater of heat collection heat transfer and building integration which characterized in that: the heat collector comprises a heat collector (1), a water storage tank (9), a plate heat exchange box (19) and a PLC (programmable logic controller) (29) which are communicated, wherein an upper heat collector header (2) is arranged on the heat collector (1), heat is absorbed in the heat collector (1), the heat is risen to the upper heat collector header (2) and then enters the plate heat exchange box (19) through a first heat medium connecting pipeline (3) communicated with the heat collector, the plate heat exchange box (19) is a sealed flat box body, the thickness of the plate heat exchange box (19) is consistent with the thickness of a balcony outer wall (20), the plate heat exchange box is embedded and installed in the balcony outer wall (20) and is integrated with a balcony building, a layer of middle partition plate (16) is arranged in the plate heat exchange box (19), the middle partition plate (16) divides the plate heat exchange box (19) into a left cavity and a right cavity, the left cavity is a heat exchange medium heat absorption flow channel, the right cavity is a hot water heat absorption flow channel, the left side and right side of the middle partition plate (16) is respectively welded with a first corrugated launder (5) and a second corrugated launder (12), the heat is slowly released from the top of the heat exchange box (19) and the upper heat collector (8) through the upper heat collector and the lower heat collector (8), the heat absorption cavity (6) is slowly released from the top of the heat collector (8) and the upper heat collector (4) and the lower heat collector is circulated in turn, the water storage tank (9) is respectively communicated with a second upper header (11) at the top of a right cavity of the plate-type heat exchange tank (19) and a second lower header (13) at the bottom through a heat exchange tank hot water circulation water inlet pipe (10) and a heat exchange tank hot water circulation water outlet pipe (14), hot water in the water storage tank (9) enters a second corrugated launder (12) of the plate-type heat exchange tank (19) through the heat exchange tank hot water circulation water inlet pipe (10), slowly descends, absorbs heat emitted by a heat medium on the opposite side of the middle partition plate (16), and flows into the water storage tank (9) through the heat exchange tank hot water circulation water outlet pipe (14);
the top of the left cavity of the plate heat exchange box (19) is provided with a first upper header (4), the first upper header (4) is communicated with an upper header (2) of the heat collector through a first heat medium connecting pipeline (3), the bottom of the left cavity is provided with a first lower header (6), the first lower header (6) is communicated with a lower header (8) of the heat collector through a second heat medium connecting pipeline (7), the first upper header (4) and the first lower header (6) are both communicated with a first corrugated launder (5), heat medium enters the first corrugated launder (5) through the upper header (2) and the first upper header (4) of the heat collector, flows to the first lower header (6) along the first corrugated launder (5) and then enters the lower header (8) of the heat collector through a second heat medium connecting pipeline (7);
the top of the right cavity of the plate type heat exchange box (19) is provided with a second upper header (11), the bottom of the right cavity is provided with a second lower header (13), the second upper header (11) and the second lower header (13) are both communicated with a second corrugated launder (12), the second upper header (11) is communicated with a water storage tank (9) through a heat exchange box hot water circulation water inlet pipe (10), the second lower header (13) is communicated with the water storage tank (9) through a heat exchange box hot water circulation water outlet pipe (14), a hot water circulation pump (15) is arranged on the heat exchange box hot water circulation water outlet pipe (14), is connected with a water storage tank (9) and is provided with a corresponding valve, a hot water circulating pump (15) is connected with a PLC (29) and is controlled by the PLC (29), hot water in the water storage tank (9) is distributed into each flow groove of a second corrugated flow groove (12) sequentially through a hot water circulating water inlet pipe (10) of the heat exchange tank and a second upper header (11), continuously descends and absorbs heat released by the heating medium, hot water is collected by the second lower header (13), when the hot water circulating pump (15) is started and provides power, hot water in the second lower header (13) returns to the water storage tank (9) through the hot water circulating water outlet pipe (14) of the heat exchange tank, and the hot water circulating water outlet pipe (14) of the heat exchange tank stretches into the top of the water storage tank (9) to ensure layering of the hot water in the water storage tank (9).
2. The solar water heater integrating heat collection, heat exchange and building as claimed in claim 1, wherein: the top and the bottom of the heat collector (1) are respectively provided with a heat collector upper header (2) and a heat collector lower header (8) which are communicated, the heat collector upper header (2) is communicated with the first corrugated launder (5) and is communicated with the first heat medium connecting pipeline (3) through the first corrugated launder (5) of the plate heat exchange box (19), heat medium absorbs heat in the heat collector (1), and the heat medium rises to each micro launder of the heat collector upper header (2) at the top of the heat collector (1) to enter the first corrugated launder (5) through the first heat medium connecting pipeline (3) for heat release and then enters the heat collector lower header (8).
3. The solar water heater integrating heat collection, heat exchange and building as claimed in claim 1, wherein: the plate type heat exchange box (19) forms a closed box body through the front sealing plate (17) and the rear sealing plate (18), the box body of the plate type heat exchange box (19) is double-layer, and phenolic foam is adopted for foaming and heat preservation.
4. The solar water heater integrating heat collection, heat exchange and building as claimed in claim 1, wherein: the heat collector (1) is a coil pipe and fin type heat collector, a blue titanium heat absorbing plate is adopted to enhance heat absorption, the heat absorbing and exchanging area of a heating medium is enhanced through fins, the heating medium is heated rapidly, and the water storage tank (9) is a heat preservation water storage tank.
5. The solar water heater integrating heat collection, heat exchange and building as claimed in claim 1, wherein: the water storage tank (9) is communicated with a water storage tank water supplementing pipe (24) and a water storage tank water outlet pipe (25), water is supplemented to the water storage tank (9) through the water storage tank water supplementing pipe (24), and a water consumption point is connected through the water storage tank water outlet pipe (25).
6. The solar water heater integrating heat collection, heat exchange and building as claimed in claim 1, wherein: the thickness of the plate type heat exchange box (19) is 200mm.
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| CN201811568975.9A CN109539573B (en) | 2018-12-21 | 2018-12-21 | Solar water heater integrating heat collection, heat exchange and building |
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| CN201811568975.9A CN109539573B (en) | 2018-12-21 | 2018-12-21 | Solar water heater integrating heat collection, heat exchange and building |
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| CN109539573A CN109539573A (en) | 2019-03-29 |
| CN109539573B true CN109539573B (en) | 2023-12-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111780404B (en) * | 2020-07-02 | 2021-11-30 | 石家庄爱迪尔电气有限公司 | Energy-concerving and environment-protective heating stove of intelligence frequency conversion |
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| CN105352203A (en) * | 2015-12-09 | 2016-02-24 | 河北炫坤节能科技股份有限公司 | Curtain wall solar thermal collector |
| CN205191940U (en) * | 2015-12-09 | 2016-04-27 | 华东建筑设计研究院有限公司 | Integration balcony solar water heating system |
| CN209588410U (en) * | 2018-12-21 | 2019-11-05 | 南京林业大学 | A kind of heat exchange of thermal-arrest and building integrated solar water heater |
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2018
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| RU2172904C2 (en) * | 1999-11-16 | 2001-08-27 | Алтайский региональный центр нетрадиционной энергетики и энергосбережения | Device for utilization of solar energy |
| CN200952843Y (en) * | 2006-10-09 | 2007-09-26 | 薛占何 | Construction component type solar water heater |
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| CN109539573A (en) | 2019-03-29 |
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