CN112815285A - Solar heat pump steam generating device - Google Patents
Solar heat pump steam generating device Download PDFInfo
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- CN112815285A CN112815285A CN201911126309.4A CN201911126309A CN112815285A CN 112815285 A CN112815285 A CN 112815285A CN 201911126309 A CN201911126309 A CN 201911126309A CN 112815285 A CN112815285 A CN 112815285A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 234
- 238000010521 absorption reaction Methods 0.000 claims abstract description 76
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 50
- 238000009833 condensation Methods 0.000 claims abstract description 36
- 230000005494 condensation Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims description 22
- 230000008020 evaporation Effects 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000007701 flash-distillation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 15
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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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
- F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
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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
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B27/00—Instantaneous or flash steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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
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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 Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A solar heat pump steam generating device is composed of a solar hot water circulation loop, a lithium bromide solution circulation loop, a condensed water circulation loop and a steam circulation loop. In the condensation absorption chamber, the condensed water absorbs the water vapor from the solution vapor generation chamber by using the absorption principle to finish the condensation process, thereby saving heat exchange equipment and having no heat exchange temperature difference; in the solar hot water flash chamber, solar hot water flash produces a large amount of water vapor, reduces self temperature, has saved heat transfer equipment, does not have the heat transfer difference in temperature, and the water vapor temperature that the flash distillation produced is higher, pressure is higher, is absorbed by the lithium bromide solution in the solution absorption chamber, produces the heat of absorption of higher temperature, heats the water production high temperature water vapor in the absorption chamber heat exchange tube, accomplishes the steam generation process. The invention has the characteristics of low condensation temperature, high unit efficiency, less heat exchange equipment and high steam generation temperature, and can be widely applied to areas and places with rich low-temperature heat sources.
Description
Technical Field
The invention relates to the technical field of solar heat pumps, in particular to a solar heat pump steam generating device.
Background
The development and the utilization of solar energy are integrated into the production and the life of people, particularly, a solar water heating system is developed rapidly, and the energy-saving effect is obvious; in the south, the solar water heating system is mainly used for preparing hot water in winter, and the hot water prepared by solar energy is not used up in summer, so that a large amount of resources are wasted; the second absorption heat pump technology can utilize solar hot water to prepare hot water or steam with higher temperature, so that waste heat is recycled, and the purpose of energy conservation is achieved.
However, because the temperature of solar hot water is low, generally about 70 ℃, the existing single-effect lithium bromide absorption heat pump unit can only produce hot water at 90-100 ℃, and cannot produce a large amount of steam, and in addition, the unit has low working efficiency, huge heat exchange equipment and high investment cost, and is greatly limited in use occasions and environments.
As shown in fig. 2, the second type of absorption heat pump unit includes: the lithium bromide solution generator comprises a steam bag 201, a steam outlet 202, an absorber 203, a refrigerant pump I204, an evaporator 205, a hot water outlet 206, a condenser 207, a refrigerant pump II 208, a hot water inlet 209, a generator 210, a solution pump 211, a solution heat exchanger 212 and a high-temperature water pump 213, wherein the lithium bromide solution from the generator 210 is driven by the solution pump 211, after the solution heat exchanger 212 is heated by heat exchange, the solution enters the absorber 203, is sprayed on a heat exchange tube bundle inside the absorber 203, absorbs the steam from the evaporator 205, simultaneously releases the heat of absorption to further heat the hot water in the heat exchange tube bundle, the lithium bromide solution after absorbing the steam is changed into dilute solution with lower concentration, the dilute solution is returned to the generator 210 after heat exchange and temperature reduction by the solution heat exchanger 212, the lithium bromide solution is heated and boiled by hot water in the heat exchange tube bundle in the generator 210, water vapor is released, and the solution with higher concentration is changed back to form a lithium bromide solution circulation loop; the high-temperature water in the steam drum 201 is driven by the high-temperature water pump 213 to enter the heat exchange tube bundle in the absorber 203, heated by the heat absorbed by the lithium bromide solution outside the tube, and then heated to return to the steam drum 210, thereby completing the steam generation process.
The absorption heat pump unit has low efficiency, large heat exchange equipment and low grade of generated high-temperature hot water, and the reasons are as follows: (1) in the condenser 207, the condensed water is condensed by the heat exchange tube bundle to form the water vapor from the generator 210, and the heat exchange equipment is complex; and because of the heat exchange temperature difference, the condensation temperature is a few degrees higher than the temperature of the condensed water. (2) In the evaporator 205, the low-temperature hot water heats the refrigerant water in the evaporator 205 through the heat exchange tube bundle, the heat exchange equipment is complex, and the temperature of the refrigerant water in the evaporator 205 is lower than that of the low-temperature hot water due to the heat exchange temperature difference.
Disclosure of Invention
The invention provides a heat pump steam generating device which utilizes solar hot water for heating, has high efficiency, simple heat exchange equipment and higher steam generating temperature, and aims to overcome the defects of the prior art.
The technical solution of the present invention to solve the above technical problems is as follows: the utility model provides a solar thermal energy pump steam generator, includes solar hot water storage tank, solar hot water flash chamber, solution absorption chamber, absorption chamber heat exchange tube, steam package, condensation absorption chamber, solution pump, solution steam generation chamber heat exchange tube, U type pipe, solar heat collection device, its characterized in that: the device consists of a solar hot water circulation loop, a lithium bromide solution working circulation loop, a condensed water working circulation loop and a water vapor working circulation loop; the outlet end of the solar heat collecting device is connected with the inlet end of a solar hot water storage tank, the outlet end of the solar hot water storage tank is connected with the inlet end of a solar hot water driving pump II, the outlet end of the solar hot water driving pump II is connected with the inlet end of a solution steam generation chamber heat exchange pipe, the outlet end of the solution steam generation chamber heat exchange pipe is connected with the inlet end of a solar hot water electromagnetic valve II, the outlet end of the solar hot water electromagnetic valve II is connected with the inlet end of a solar hot water flash chamber, solar hot water evaporates a large amount of water in the solar hot water flash chamber, the outlet end of the solar hot water flash chamber is connected with the inlet end of a solar hot water one-way valve, the outlet end of the solar hot water one-way valve is connected with the inlet end of a solar hot water electromagnetic valve I, the outlet end of, a circulation loop of solar hot water is formed; the outlet end of the solution steam generating chamber is connected with the inlet end of a solution pump, the outlet end of the solution pump is connected with the inlet end of a solution absorbing chamber, lithium bromide solution absorbs water vapor evaporated from a solar hot water flash evaporation chamber in the solution absorbing chamber to become dilute solution with lower concentration and release a large amount of heat, the dilute solution falls into the bottom of the solution absorbing chamber after heat exchange through a heat exchange tube of the absorbing chamber, the outlet end of the solution absorbing chamber is connected with the inlet end of a U-shaped tube, the outlet end of the U-shaped tube is connected with the inlet end of the solution steam generating chamber, the lithium bromide solution is heated and boiled by the heat exchange tube of the solution steam generating chamber in the solution steam generating chamber to release a large amount of water vapor, the concentrated solution with higher concentration returns to the bottom of the solution steam generating chamber; the outlet end of the condensed water cooling tower is connected with the inlet end of a condensed water electromagnetic valve I, the outlet end of the condensed water electromagnetic valve I is connected with the inlet end of a condensation absorption chamber, condensed water absorbs water vapor generated by boiling of a solution vapor generation chamber in the condensation absorption chamber, the outlet end of the condensation absorption chamber is connected with the inlet end of a condensed water one-way valve, the outlet end of the condensed water one-way valve is connected with the inlet end of a condensed water electromagnetic valve II, the outlet end of the condensed water electromagnetic valve II is connected with the inlet end of a condensed water circulating pump, and the outlet end of the condensed water circulating pump is connected with the inlet end of the condensed water cooling; the high-temperature water outlet end of the steam pocket is connected with the inlet end of the high-temperature water pump, the outlet end of the high-temperature water pump is connected with the inlet end of the absorption chamber heat exchange tube, and the outlet end of the absorption chamber heat exchange tube is connected with the high-temperature water inlet end of the steam pocket to form a working circulation loop of high-temperature water.
The steam pocket is connected with the steam outlet and the water replenishing port, when the steam generating device works, high-temperature water in the steam pocket is driven by the high-temperature water pump, enters the heat exchange tube of the absorption chamber, is heated and boiled to generate steam, the steam enters the steam pocket, and is discharged from the steam outlet to complete the steam generating process; the water replenishing port plays a role in replenishing water.
The solar hot water flash evaporation chamber and the solution absorption chamber are of an integrated cylinder structure, the solar hot water flash evaporation chamber and the solution absorption chamber are arranged on two sides in a row, the upper portions of the solar hot water flash evaporation chamber and the solution absorption chamber are communicated, the lower portions of the solar hot water flash evaporation chamber and the solution absorption chamber are separated by a partition plate, liquid does not interfere with each other, and spraying and defoaming devices are arranged on the upper portions of the solar hot water.
Solution steam generation room and condensation absorption chamber be integrated tubular structure, and solution steam generation room and condensation absorption chamber branch are listed as both sides, and upper portion intercommunication, the lower part is separated by the baffle, and liquid noninterference all is equipped with on solution steam generation room and the condensation absorption chamber and sprays and remove the foam device.
The cylinder bodies of the solar hot water flash evaporation chamber and the solution absorption chamber are positioned at the upper parts of the cylinder bodies of the solution steam generation chamber and the condensation absorption chamber, and both the cylinder bodies are sealed vacuum devices.
The solar hot water driving pump I is used for driving hot water in the solar hot water flash evaporation chamber to the solar heat collection device for heating in a vacuum state.
The heat exchange tube of the absorption chamber and the heat exchange tube of the solution steam generation chamber are of a tube array type or coil tube type structure, wherein high-temperature hot water flows in the tube of the heat exchange tube of the absorption chamber, and a lithium bromide solution flows out of the tube to form a heat exchange liquid film; solar hot water flows through the heat exchange tube of the solution steam generation chamber, and the lithium bromide solution flows through the heat exchange tube to form a heat exchange liquid film.
The solar hot water electromagnetic valve I, the solar hot water electromagnetic valve II and the solar hot water driving pump I are controlled by a PLC program or an inductive switch and are in a synchronous opening or closing state; the condensate water electromagnetic valve I, the condensate water electromagnetic valve II and the condensate water circulating pump are controlled by a PLC program or an inductive switch and are in synchronous opening or closing states.
The U-shaped pipe plays the roles of pressure reduction, throttling and air blocking, and the length of the U-shaped pipe depends on the pressure difference between the upper cylinder and the lower cylinder.
The solar hot water flash evaporation chamber and the condensation absorption chamber are internally filled with fillers and are not provided with heat exchange devices.
Compared with the prior art, the invention has the following remarkable effects:
(1) in, the condensation absorption chamber, the comdenstion water is got into by upper portion, becomes the atomizing state after spraying, because the temperature is lower, absorbs the steam that comes from solution steam generation room in a large number, and the condensation water utilizes the absorption principle to accomplish the condensation process among this heat transfer process, has saved indirect heating equipment, and owing to not having the heat transfer difference in temperature, the comdenstion water temperature is condensation temperature promptly, therefore condensation temperature is lower, and unit efficiency improves moreover.
(2) In the solar hot water flash chamber, solar hot water gets into by upper portion, through spraying the back, flash distillation production a large amount of water vapor under vacuum state to reduced self temperature, saved indirect heating equipment, owing to do not have the heat transfer difference in addition, the water vapor temperature that the flash distillation produced is higher, the pressure is higher, the lithium bromide solution absorption temperature height water vapor in the solution absorption chamber, produce the heat of absorption of higher temperature, therefore the steam temperature in the steam package is higher.
Therefore, the technical scheme of the invention has the characteristics of low condensation temperature, high unit efficiency, less heat exchange equipment and higher temperature of generated steam. The invention can be widely applied to areas and places with rich low-temperature heat sources.
Drawings
Fig. 1 is a schematic structural view of a solar heat pump steam generator according to the present invention.
Fig. 2 is a schematic structural diagram of a second type of absorption heat pump.
In the figure: 1. the solar energy water heating system comprises a solar energy water heating storage tank, 2, a solar energy water heating driving pump I, 3, a solar energy water heating electromagnetic valve I, 4, a solar energy water heating one-way valve, 5, a solar energy water heating flash chamber, 6, a solar energy water heating electromagnetic valve II, 7, a solution absorption chamber, 8, an absorption chamber heat exchange tube, 9, a steam outlet, 10, a steam bag, 11, a water replenishing port, 12, a high temperature water pump, 13, a condensate water electromagnetic valve I, 14, a condensate water cooling tower, 15, a condensation absorption chamber, 16, a condensate water circulating pump, 17, a condensate water electromagnetic valve II, 18, a condensate water one-way valve, 19, a solution pump, 20, a solution steam generating chamber, 21, a solution steam generating chamber heat exchange tube, 22, a U-shaped tube, 23.
Detailed Description
The invention is illustrated in further detail by the following examples. The following examples are provided to illustrate the detailed embodiments and specific procedures of the present invention, but the scope of the present invention is not limited to the following examples, and it will be apparent to those skilled in the art that any modifications without departing from the scope of the present invention are within the scope of the claims of the present invention.
A solar heat pump steam generating device is shown in figure 1, and the working process is as follows: hot water in the solar heat collection device 24 enters the solar hot water storage tank 1 after being heated, enters the heat exchange tube 21 of the solution steam generation chamber after being driven by the solar hot water drive pump II 23, enters the solar hot water flash chamber 5 through the solar hot water electromagnetic valve II 6 after heat exchange and temperature reduction, is flashed in a vacuum state to generate a large amount of water steam, reduces the temperature of the water steam to fall into the bottom, flows through the solar hot water one-way valve 4 and the solar hot water electromagnetic valve I3, and is driven by the solar hot water drive pump I2 to flow back to the solar heat collection device 24 for heating, so that a working circulation loop of the; the lithium bromide concentrated solution from the solution steam generating chamber 20 is driven by the solution pump 19 to enter the solution absorbing chamber 7, sprayed on the outer surface of the heat exchange tube 8 of the absorbing chamber, absorbs the water vapor evaporated from the solar hot water flash evaporation chamber 5, becomes dilute solution with lower concentration, throttled and depressurized by the U-shaped tube 22, enters the solution steam generating chamber 20, is heated and boiled by the heat exchange tube 21 of the solution steam generating chamber in the solution steam generating chamber 20, releases a large amount of water vapor, changes back to concentrated solution with higher concentration, and returns to the bottom of the solution steam generating chamber 20 to form a working circulation loop of the lithium bromide solution; condensed water from the condensed water cooling tower 14 flows through a condensed water electromagnetic valve I13 to enter a condensation absorption chamber 15, and is sprayed to absorb water vapor generated by boiling in a solution vapor generation chamber 20, so that the temperature is increased, the condensation process is completed, and the condensed water flows back to the condensed water cooling tower 14 under the drive of a condensed water circulating pump 16 after flowing through a condensed water one-way valve 18 and a condensed water electromagnetic valve II 17, so that a working circulation loop of the condensed water is formed; high-temperature water from the steam pocket 10 is driven by a high-temperature water pump 12 to enter the inner side of the heat exchange tube 8 of the absorption chamber, is heated by the heat absorbed by the outer side of the tube and then flows back to the steam pocket 10 to form a working circulation loop of the high-temperature water.
The steam pocket 10 is connected with the steam outlet 9 and the water replenishing port 11, when the steam generator works, high-temperature water in the steam pocket 10 is driven by the high-temperature water pump 12, enters the heat exchange tube 8 of the absorption chamber, is heated and boiled to generate steam, the steam enters the steam pocket 10, and is discharged out of the steam pocket 10 from the steam outlet 9, so that the steam generation process is completed; the water replenishing port 11 plays a role of replenishing water.
The solar hot water flash evaporation chamber 5 and the solution absorption chamber 7 are of an integrated cylinder structure, the solar hot water flash evaporation chamber 5 and the solution absorption chamber 7 are arranged on two sides respectively, the upper parts of the solar hot water flash evaporation chamber 5 and the upper parts of the solution absorption chamber 7 are communicated, the lower parts of the solar hot water flash evaporation chamber 5 and the solution absorption chamber 7 are separated by a partition plate, liquid does not interfere with each other, and spraying and defoaming devices are arranged on the upper parts.
Solution steam generation room 20 and condensation absorption chamber 15 are integrated barrel structure, and solution steam generation room 20 and condensation absorption chamber 15 branch are listed as both sides, and upper portion intercommunication, the lower part are separated by the baffle, and liquid noninterference all is equipped with on solution steam generation room 20 and the condensation absorption chamber 15 and sprays and remove the foam device.
The cylinder bodies of the solar hot water flash evaporation chamber 5 and the solution absorption chamber 7 are positioned at the upper parts of the cylinder bodies of the solution steam generation chamber 20 and the condensation absorption chamber 15, and both the cylinder bodies are sealed vacuum devices.
The solar hot water driving pump I2 is used for driving hot water in the solar hot water flash chamber 5 to the solar heat collecting device 24 for heating in a vacuum state.
The heat exchange tube 8 of the absorption chamber and the heat exchange tube 21 of the solution steam generation chamber are of a tube array type or a coil tube type structure, wherein high-temperature hot water flows in the heat exchange tube 8 of the absorption chamber, and a lithium bromide solution flows outside the heat exchange tube to form a heat exchange liquid film; solar hot water flows through the heat exchange tube 21 of the solution steam generating chamber, and lithium bromide solution flows through the heat exchange tube to form a heat exchange liquid film.
The solar hot water electromagnetic valve I3, the solar hot water electromagnetic valve II 6 and the solar hot water driving pump I2 are controlled by a PLC program or an inductive switch and are in a synchronous opening or closing state; the condensate water electromagnetic valve I13, the condensate water electromagnetic valve II 17 and the condensate water circulating pump 16 are controlled by a PLC program or an inductive switch and are in synchronous opening or closing states.
The U-shaped pipe 22 plays the roles of pressure reduction, throttling and air blocking, and the length of the U-shaped pipe 22 depends on the pressure difference between the upper cylinder and the lower cylinder.
The solar hot water flash evaporation chamber 5 and the condensation absorption chamber 15 are filled with fillers and are not provided with heat exchange devices.
Claims (10)
1. The utility model provides a solar thermal energy pump steam generator, includes solar hot water storage tank (1), solar hot water flash chamber (5), solution absorption chamber (7), absorption chamber heat exchange tube (8), steam package (10), condensation absorption chamber (15), solution pump (19), solution steam generation chamber (20), solution steam generation chamber heat exchange tube (21), U type pipe (22), solar heat collection device (24), its characterized in that: the device consists of a solar hot water circulation loop, a lithium bromide solution working circulation loop, a condensed water working circulation loop and a water vapor working circulation loop; the outlet end of the solar heat collection device (24) is connected with the inlet end of the solar hot water storage tank (1), the outlet end of the solar hot water storage tank (1) is connected with the inlet end of a solar hot water driving pump II (23), the outlet end of the solar hot water driving pump II (23) is connected with the inlet end of a solution steam generation chamber heat exchange pipe (21), the outlet end of the solution steam generation chamber heat exchange pipe (21) is connected with the inlet end of a solar hot water electromagnetic valve II (6), the outlet end of the solar hot water electromagnetic valve II (6) is connected with the inlet end of a solar hot water flash chamber (5), solar hot water evaporates a large amount of water in the solar hot water flash chamber (5), the outlet end of the solar hot water flash chamber (5) is connected with the inlet end of a solar hot water one-way valve (4), the outlet end of the solar hot water one-way valve (4, the outlet end of the solar hot water electromagnetic valve I (3) is connected with the inlet end of the solar hot water driving pump I (2), and the outlet end of the solar hot water driving pump I (2) is connected with the inlet end of the solar heat collecting device (24) to form a solar hot water circulating loop; the outlet end of the solution steam generating chamber (20) is connected with the inlet end of the solution pump (19), the outlet end of the solution pump (19) is connected with the inlet end of the solution absorbing chamber (7), lithium bromide solution absorbs water vapor evaporated from the solar hot water flash chamber (5) in the solution absorbing chamber (7) to be changed into dilute solution with lower concentration and release a large amount of heat, the dilute solution drops into the bottom of the solution absorbing chamber (7) after heat exchange through an absorbing chamber heat exchange tube (8), the outlet end of the solution absorbing chamber (7) is connected with the inlet end of a U-shaped tube (22), the outlet end of the U-shaped tube (22) is connected with the inlet end of the solution steam generating chamber (20), the lithium bromide solution is heated and boiled by a solution steam generating chamber heat exchange tube (21) in the solution steam generating chamber (20) to release a large amount of water vapor and is changed back into concentrated solution with higher concentration and returns to the bottom of the solution steam generating, forming a working circulation loop of the lithium bromide solution; the outlet end of the condensed water cooling tower (14) is connected with the inlet end of a condensed water electromagnetic valve I (13), the outlet end of the condensed water electromagnetic valve I (13) is connected with the inlet end of a condensation absorption chamber (15), condensed water absorbs water vapor generated by boiling of a solution vapor generation chamber (20) in the condensation absorption chamber (15), the outlet end of the condensation absorption chamber (15) is connected with the inlet end of a condensed water one-way valve (18), the outlet end of the condensed water one-way valve (18) is connected with the inlet end of a condensed water electromagnetic valve II (17), the outlet end of the condensed water electromagnetic valve II (17) is connected with the inlet end of a condensed water circulating pump (16), and the outlet end of the condensed water circulating pump (16) is connected with the inlet end of the condensed water cooling tower (14) to form a condensed water;
the high-temperature water outlet end of the steam pocket (10) is connected with the inlet end of a high-temperature water pump (12), the outlet end of the high-temperature water pump (12) is connected with the inlet end of an absorption chamber heat exchange tube (8), and the outlet end of the absorption chamber heat exchange tube (8) is connected with the high-temperature water inlet end of the steam pocket (10) to form a high-temperature water working circulation loop.
2. A solar heat pump steam generator according to claim 1, wherein: the steam pocket (10) is connected with the steam outlet (9) and the water replenishing port (11), and when the steam generating device works, high-temperature water in the steam pocket (10) is driven by the high-temperature water pump (12), enters the heat exchange tube (8) of the absorption chamber, is heated and boiled to generate steam, the steam enters the steam pocket (10), is discharged out of the steam pocket (10) from the steam outlet (9), and completes the steam generating process; the water replenishing port (11) plays a role in replenishing water.
3. A solar heat pump steam generator according to claim 1, wherein: the solar hot water flash evaporation chamber (5) and the solution absorption chamber (7) are of an integrated barrel structure, the solar hot water flash evaporation chamber (5) and the solution absorption chamber (7) are arranged on two sides in a row, the upper portions of the solar hot water flash evaporation chamber and the solution absorption chamber are communicated, the lower portions of the solar hot water flash evaporation chamber and the solution absorption chamber are separated by a partition plate, liquid does not interfere with each other, and spraying and defoaming devices are arranged on the upper portions of the solar hot water flash evaporation chamber (5).
4. A solar heat pump steam generator according to claim 1, wherein: solution steam generation room (20) and condensation absorption room (15) are integrated barrel structure, and solution steam generation room (20) and condensation absorption room (15) branch are listed as both sides, and upper portion intercommunication, lower part are separated by the baffle, and liquid noninterference all is equipped with on solution steam generation room (20) and condensation absorption room (15) and sprays and removes the foam device.
5. A solar heat pump steam generator according to claim 1, wherein: the cylinder bodies where the solar hot water flash evaporation chamber (5) and the solution absorption chamber (7) are located on the upper portion of the cylinder bodies where the solution steam generation chamber (20) and the condensation absorption chamber (15) are located, and both the cylinder bodies are sealed vacuum devices.
6. A solar heat pump steam generator according to claim 1, wherein: the solar hot water driving pump I (2) is used for driving hot water in the solar hot water flash chamber (5) to the solar heat collecting device (24) to be heated in a vacuum state.
7. A solar heat pump steam generator according to claim 1, wherein: the heat exchange tube (8) of the absorption chamber and the heat exchange tube (21) of the solution steam generation chamber are of a tube array type or coil type structure, wherein high-temperature hot water flows through the tube of the heat exchange tube (8) of the absorption chamber, and a lithium bromide solution flows through the tube to form a heat exchange liquid film; solar hot water flows through the heat exchange tube (21) of the solution steam generation chamber, and a lithium bromide solution flows through the heat exchange tube to form a heat exchange liquid film.
8. A solar heat pump steam generator according to claim 1, wherein: the solar hot water electromagnetic valve I (3), the solar hot water electromagnetic valve II (6) and the solar hot water driving pump I (2) are controlled by a PLC program or an inductive switch and are in a synchronous opening or closing state; the condensate water electromagnetic valve I (13), the condensate water electromagnetic valve II (17) and the condensate water circulating pump (16) are controlled by a PLC program or an inductive switch and are in synchronous opening or closing states.
9. A solar heat pump steam generator according to claim 1, wherein: the U-shaped pipe (22) plays a role in pressure reduction, throttling and air blocking, and the length of the U-shaped pipe (22) depends on the pressure difference between the upper cylinder and the lower cylinder.
10. A solar heat pump steam generator according to claim 1, wherein: the solar hot water flash evaporation chamber (5) and the condensation absorption chamber (15) are internally filled with fillers and are not provided with heat exchange devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126309.4A CN112815285B (en) | 2019-11-18 | 2019-11-18 | Solar heat pump steam generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126309.4A CN112815285B (en) | 2019-11-18 | 2019-11-18 | Solar heat pump steam generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112815285A true CN112815285A (en) | 2021-05-18 |
| CN112815285B CN112815285B (en) | 2024-07-23 |
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| CN202521854U (en) * | 2012-04-25 | 2012-11-07 | 深圳力合电力工程有限公司 | Single-effect hybrid heat pump unit and dual-effect hybrid heat pump unit |
| WO2015058462A1 (en) * | 2013-10-24 | 2015-04-30 | 温海泉 | Gas turbine intake air cooling device using waste heat as driving force |
| CN104613670A (en) * | 2015-02-13 | 2015-05-13 | 海南泰立来科技有限公司 | Solar thermal lithium bromide-water absorbing refrigerator |
| WO2017185930A1 (en) * | 2016-04-27 | 2017-11-02 | 武汉凯迪工程技术研究总院有限公司 | Combined solar-powered seawater desalination and air-conditioned cooling method and system having high efficiency |
| CN211822289U (en) * | 2019-11-18 | 2020-10-30 | 海南光谱太阳能技术工程有限公司 | Solar heat pump steam generating device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202521854U (en) * | 2012-04-25 | 2012-11-07 | 深圳力合电力工程有限公司 | Single-effect hybrid heat pump unit and dual-effect hybrid heat pump unit |
| WO2015058462A1 (en) * | 2013-10-24 | 2015-04-30 | 温海泉 | Gas turbine intake air cooling device using waste heat as driving force |
| CN104613670A (en) * | 2015-02-13 | 2015-05-13 | 海南泰立来科技有限公司 | Solar thermal lithium bromide-water absorbing refrigerator |
| WO2017185930A1 (en) * | 2016-04-27 | 2017-11-02 | 武汉凯迪工程技术研究总院有限公司 | Combined solar-powered seawater desalination and air-conditioned cooling method and system having high efficiency |
| CN211822289U (en) * | 2019-11-18 | 2020-10-30 | 海南光谱太阳能技术工程有限公司 | Solar heat pump steam generating device |
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