CN2484530Y - Lithium-bromide absorption type refrigerator suitable for high temp.-difference and capable of fully utilizing energy resource - Google Patents
Lithium-bromide absorption type refrigerator suitable for high temp.-difference and capable of fully utilizing energy resource Download PDFInfo
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- CN2484530Y CN2484530Y CN 01219754 CN01219754U CN2484530Y CN 2484530 Y CN2484530 Y CN 2484530Y CN 01219754 CN01219754 CN 01219754 CN 01219754 U CN01219754 U CN 01219754U CN 2484530 Y CN2484530 Y CN 2484530Y
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- outlet
- water
- import
- heat exchanger
- evaporimeter
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 32
- 229940059936 lithium bromide Drugs 0.000 title claims description 15
- 238000010521 absorption reaction Methods 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000006096 absorbing agent Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims description 58
- 239000012530 fluid Substances 0.000 claims description 25
- 239000003507 refrigerant Substances 0.000 claims description 20
- 239000000498 cooling water Substances 0.000 claims description 12
- 230000001112 coagulating effect Effects 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000003860 storage Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000005338 heat storage Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a refrigeration machine of lithium bromide absorbing that is suitable for a large temperature gap and fully uses energies. The utility model is characterized in that a refrigerating medium pump, an evaporator, an absorber, a U shape pipe and a liquid storage tank are respectively comprise two groups to reduce the temperature gap of thermal transmission in the evaporator, reduce nonreversible losses and increase the temperature gap of supply and return water in the machine. A heat exchanger of little cooler water is added in the machine to use excessive heat of hot steam to fully use energies. Comparison with lastest techniques, the utility model is suitable for heating, cooling and power generating production system of integrated and long distance transmission of heat exchange stations; the large temperature gap meets conditions of the cool and the heat storage, which creates a condition of cutting the peak and filling in the valley for electric power departments.
Description
The utility model relates to field of air conditioning, especially for the lithium-bromide absorption-type refrigerating machine of thermoelectric cold cogeneration.
At present, the method for operation of municipal heating systems generally is the thermal source that the steam of steam power plant's generating generation is used for the domestic hot-water on the one hand, is used for the central heating thermal source on the one hand.Because the thermic load in summer is very little, can not consume the waste heat that generating produces, steam power plant can only move in the very low mode of generating efficiency.For comprehensive utilization ratio and the original heating equipment utilization rate of raising that improves the energy, the city thermoelectric cold triple supply is developed, be exactly on the central heating system basis, set up absorption type refrigerating unit, steam power plant's generating electricity in winter and heat supply, summer generating and utilize the heat supply steam turbine group draw gas or the back pressure steam discharge freezes.The operation principle of common lithium-bromide absorption-type refrigerating machine and structure annexation thereof, as shown in Figure 1.It is to pass through Absorption Cooling System, utilize chilled water as medium with the transfer of heat of air conditioner surroundings to outdoor environment, in order to keep the thermal balance of refrigeration machine, bring the heat in the machine into and all will take out of in the machine as power, thereby heat is passed to hot environment by cooling water by the heat that chilled water is brought in the machine.From the structure connection layout, can see, the composition of common double-effect absorption refrigerating machine is a high pressure generator, the heat exchanger of a low pressure generator, a condenser, an absorber, an evaporimeter and three UTILIZATION OF VESIDUAL HEAT IN is respectively high-temperature heat exchanger, low temperature heat exchanger and coagulate water-to-water heat exchanger.The problem that common double effect absorption-type lithium bromide refrigerator exists is, it needing to be unsuitable for the refrigeration system of the big temperature difference, as the system of heating in winter and the shared pipe network of air-conditioning in summer, the system, long apart from induction system of cold-storage device is arranged.Because after the temperature difference increases, there is bigger heat transfer temperature difference in evaporimeter, causes irreversible loss, has formed the waste of the energy.In addition, the refrigerant vapour that the unit high pressure generator produces becomes the water as refrigerant about 95 ℃ after having heated the solution of low pressure generator as the thermal source of low pressure generator, directly enters condenser and carries out condensation, its heat is taken away by cooling water, passes to external environment condition through cooling tower.This part heat is not only wasted, but also consumes cooling water and electric energy, causes energy waste.
At above-mentioned problems of the prior art, the purpose of this utility model provides a kind of lithium-bromide absorption-type refrigerating machine that is suitable for the big temperature difference, can makes full use of the energy.It is not only saved the energy but also the chilled water supply backwater temperature difference is strengthened, and satisfies the requirement that utilizes existing heating network, and the cold-storage ability of air conditioner water cold accumulation system is increased.Can solve the electric power peak load that disappears preferably.
In order to reach above-mentioned goal of the invention, the technical solution of the utility model realizes in the following way: a kind of lithium-bromide absorption-type refrigerating machine group that makes full use of the energy, it comprises high pressure generator, high-temperature heat exchanger, coagulates water heat exchanger, the U-shaped tube of low temperature heat exchanger, cryogenic fluid pump, solution pump, injector, condenser, low pressure generator, evaporimeter, absorber and decompression cooling.Described solution delivery side of pump and low temperature heat exchanger, the tube side that coagulates water heat exchanger, high-temperature heat exchanger be connected in seriess the shell side import of back access high pressure generator.The shell side outlet of high pressure generator is joined with the import of high-temperature heat exchanger shell side, and the outlet of high-temperature heat exchanger shell side is joined with the import of low pressure generator shell side.The outlet of low pressure generator shell side is joined with the import of low temperature heat exchanger shell side.The outlet of low temperature heat exchanger shell side is joined with the auxilliary import of injector.The solution delivery side of pump joins with the import of injector band throttling in addition, and the outlet of injector inserts the shower of the absorber of band recirculated cooling water coil pipe.The liquid reserve tank outlet and the import of solution pump of absorber bottom joined and formed lithium bromide liquid working cycles loop.Tube side import from vapours pipeline and high pressure generator is joined, and the tube side outlet and the shell side import of coagulating water heat exchanger of high pressure generator are joined, and the shell side outlet of coagulating water heat exchanger meets the heat supply factory.Set refrigerant vapour outlet is joined with the tube side import of low pressure generator on the high pressure generator, the tube side outlet of low pressure generator inserts the condenser inlet of being with the recirculated cooling water coil pipe, and the water as refrigerant outlet of condenser is by the playpipe in the evaporimeter of the U-shaped tube access band circulating frozen water coil of decompression cooling.The water as refrigerant outlet of evaporimeter is joined with the cryogen water tank, and cryogen water tank and cryogenic fluid pump import are joined.The cryogenic fluid pump outlet sprays once more by the shower that pipeline inserts in the evaporimeter, forms water as refrigerant working cycles loop.Its design feature is that the liquid reserve tank of described cryogenic fluid pump, evaporimeter, absorber, U-shaped tube and absorber bottom is made up of two cryogenic fluid pumps, two evaporimeters, two absorbers, two U-shaped tubes and two liquid reserve tanks respectively.Chilled water coil pipe serial connection in evaporimeter one and the evaporimeter two.Cooling water coil independent loops in absorber one and the absorber two.The outlet of liquid reserve tank one and liquid reserve tank two is all joined by set mixing valve and solution pump import.Condenser is provided with the shower that two water as refrigerant outlets insert in evaporimeter one and the evaporimeter two by U-shaped tube one, U-shaped tube two respectively.The logical cryogen water tank of water as refrigerant outlet of evaporimeter one inserts cryogenic fluid pump one import, and cryogenic fluid pump one outlet is by the shower in the pipeline access evaporimeter one.The water as refrigerant outlet of evaporimeter two inserts cryogenic fluid pump two imports by the cryogen water tank, and cryogenic fluid pump two outlets are by the shower in the pipeline access evaporimeter two.
According to above-mentioned technical scheme, the tube side outlet of described low pressure generator is joined by stop valve one and set condensate pump import with the shell side import junction of condenser, the condensate pump outlet is joined with set low tube side import of coagulating water heat exchanger, and the low tube side that coagulates water heat exchanger of sending out exports the shell side import that inserts condenser by stop valve two.Between outlet of the tube side of low pressure generator and condenser shell side import department, be provided with stop valve three.The low shell side that coagulates water heat exchanger of sending out is provided with water inlet and the delivery port that adds hot water.
The utility model combines evaporimeter, absorber and supporting setting thereof owing to adopted the said structure form by two groups, make chilled water segmentation cooling.Therefore it can make the chilled water supply backwater temperature difference strengthen, and reduces to 7 ℃ of water outlet water temperatures for 12 ℃ by former chilled water water inlet water temperature, rises to chilled water water inlet water temperature and reduces to 7 ℃ of water outlet water temperatures for 15 ℃, thereby can satisfy the requirement that utilizes existing heating network.Owing to the increase of supply backwater temperature difference, improved the cold-storage ability of Cool Thermal Storage For The Air conditioning system simultaneously.Be equipped with low sending out in addition in the shell side import junction of low pressure generator and condenser and coagulate water heat exchanger, utilize the waste heat heating domestic hot-water of low pressure generator heating steam, this part quality is also got up than higher Btu utilization, reduce consuming cooling water and electric energy simultaneously, thereby reach the purpose that makes full use of the energy.Compare with prior art, the utility model is applicable to the heating-cooling-power cogeneration system, is applicable to that heat exchange station concentrates, and long apart from induction system, the big temperature difference has satisfied cold-storage and the required condition of accumulation of heat, for the power department peak load that disappears provides fabulous equipment.
Below in conjunction with accompanying drawing and concrete embodiment the utility model is further described.
Fig. 1 is operation principle and the structure connection layout thereof that has common lithium-bromide absorption-type refrigerating machine now;
Fig. 2 is operation principle of the present utility model and structure connection layout thereof.
Fig. 1 is a prior art, has made brief description in above-mentioned background technology section, does not repeat them here.Referring to Fig. 2, the utility model lithium-bromide absorption-type refrigerating machine, it comprises high pressure generator 1, high-temperature heat exchanger 2, coagulates water heat exchanger 3, low temperature heat exchange 5, cryogenic fluid pump 6 and cryogenic fluid pump 15, solution pump 9, injector 7, condenser 21, low pressure generator 19, evaporimeter 23 and evaporimeter 24, absorber 8 and absorber 13, U-shaped tube 4 and U-shaped tube 16 and liquid reserve tank 11 and liquid reserve tank 12.Chilled water coil pipe serial connection in evaporimeter 23 and the evaporimeter 24.Cooling water coil independent loops in absorber 8 and the absorber 13.The outlet of liquid reserve tank 11 and liquid reserve tank 12 is all joined with solution pump 9 imports by set mixing valve 10.The outlet of solution pump 9 and low temperature heat exchanger 5, the tube side that coagulates water heat exchanger 3, high-temperature heat exchanger 2 be connected in seriess the shell side import of back access high pressure generator 1.The shell side outlet of high pressure generator 1 is joined with high-temperature heat exchanger 2 shell side imports.The outlet of high-temperature heat exchanger 2 shell sides is joined with low pressure generator 19 shell side imports.The outlet of low pressure generator 19 shell sides is joined with low temperature heat exchanger 5 shell side imports, and the outlet of low temperature heat exchanger 5 shell sides is joined with injector 7 auxilliary imports, and the outlet of solution pump 9 is joined with the import of injector 7 band throttlings in addition.The outlet of injector 7 inserts the shower of absorber 8 and absorber 13.The liquid reserve tank 12 of the liquid reserve tank 11 of absorber 8 bottoms and absorber 13 bottoms joins by the mixing valve 10 and the import of solution pump 9 respectively and forms lithium bromide liquid working cycles loop.Tube side import from vapours pipeline and high pressure generator 1 is joined, and the tube side outlet and the shell side import of coagulating water heat exchanger 3 of high pressure generator 1 are joined, and the shell side outlet of coagulating water heat exchanger 3 meets the heat supply factory.Set refrigerant vapour outlet is joined with the tube side import of low pressure generator 19 on the high pressure generator 1.The tube side outlet of low pressure generator 19 is joined with stop valve 25 and stop valve 26.Stop valve 25 outlet inserts the shell side import of the condenser 21 of band recirculated cooling water coil pipes, and condenser 21 is provided with two water as refrigerants outlets and inserts shower in evaporimeter 23 and the evaporimeter 24 respectively by U-shaped tube 4, U-shaped tube 16.The water as refrigerant outlet of evaporimeter 23 inserts cryogenic fluid pump 6 imports by cryogen water tank 22, and cryogenic fluid pump 6 outlets are by the shower in the pipeline access evaporimeter 23.The water as refrigerant outlet of evaporimeter 24 inserts cryogenic fluid pump 15 imports by cryogen water tank 14, and cryogenic fluid pump 15 outlets are by the shower in the pipeline access evaporimeter 24.Stop valve 26 outlets are joined with condensate pump 17 imports, condensate pump 17 outlets are joined with set low tube side import of coagulating water heat exchanger 18, hang down and send out the shell side import that stop valve 20 access condensers 21 are passed through in the tube side outlet of coagulating water heat exchanger 18, the low shell side that coagulates water heat exchanger 18 of sending out is provided with water inlet and the delivery port that adds hot water.
Using method of the present utility model exists together mutually with the using method that has common lithium-bromide absorption-type refrigerating machine now and repeats no more.Different is to coagulate water heat exchanger 18 by set low sending out, when closing stop valve 25, when opening stop valve 26 and stop valve 20, open condensate pump 17, water at low temperature is introduced low sending out coagulate water heat exchanger 18 shell side imports, can obtain the hot water that after heating, is used to live by its shell side outlet.
Claims (2)
1. one kind is applicable to the big temperature difference, can make full use of the lithium-bromide absorption-type refrigerating machine of the energy, it comprises high pressure generator (1), high-temperature heat exchanger (2), coagulate water interchanger (3), low temperature heat exchanger (5), solution pump (9), injector (7), condenser (21), low pressure generator (19), evaporimeter, absorber, the U-shaped tube of cryogenic fluid pump and decompression cooling, the outlet of described solution pump (9) and low temperature heat exchanger (5), coagulate water heat exchanger (3), the shell side import of high pressure generator (1) is inserted in the tube side serial connection back of high-temperature heat exchanger (2), the shell side outlet of high pressure generator (1) is joined with high-temperature heat exchanger (2) shell side import, the outlet of high-temperature heat exchanger (2) shell side is joined with low pressure generator (19) shell side import, the outlet of low pressure generator (19) shell side is joined with low temperature heat exchanger (5) shell side import, the outlet of low temperature heat exchanger (5) shell side is joined with the auxilliary import of injector (7), the outlet of solution pump (9) is joined with the import of injector (7) band throttling in addition, the outlet of injector (7) inserts the shower of the absorber of band recirculated cooling water coil pipe, and the liquid reserve tank outlet and the import of solution pump (9) of absorber bottom joined and formed lithium bromide liquid working cycles loop; Tube side import from vapours pipeline and high pressure generator (1) is joined, and the tube side outlet and the shell side import of coagulating water heat exchanger (3) of high pressure generator (1) are joined, and the shell side outlet of coagulating water heat exchanger (3) meets the heat supply factory; High pressure generator (1) is gone up set refrigerant vapour outlet and is joined with the tube side import of low pressure generator (19), the tube side outlet of low pressure generator (19) inserts the shell side import of the condenser (21) of band recirculated cooling water coil pipe, the water as refrigerant outlet of condenser (21) is by shower in the evaporimeter of the U-shaped tube access band circulating frozen water coil of decompression cooling, the water as refrigerant outlet of evaporimeter is joined with the cryogen water tank, cryogen water tank and cryogenic fluid pump import are joined, the cryogenic fluid pump outlet sprays once more by the playpipe that pipeline inserts in the evaporimeter, forms water as refrigerant working cycles loop; It is characterized in that: the liquid reserve tank of described cryogenic fluid pump, evaporimeter, absorber, U-shaped tube and absorber bottom is made up of cryogenic fluid pump (6) and cryogenic fluid pump (15), evaporimeter (23) and evaporimeter (24), absorber (8) and absorber (13), U-shaped tube (4) and U-shaped tube (16) and liquid reserve tank (11) and liquid reserve tank (12) respectively; Chilled water coil pipe serial connection in evaporimeter (23) and the evaporimeter (24), cooling water coil independent loops in absorber (8) and the absorber (13), the outlet of liquid reserve tank (11) and liquid reserve tank (12) is all joined by set mixing valve (10) and solution pump (9) import, condenser (21) is provided with two water as refrigerant outlets respectively by U-shaped tube (4), U-shaped tube (16) inserts the shower in evaporimeter (23) and the evaporimeter (24), the water as refrigerant outlet of evaporimeter (23) inserts cryogenic fluid pump (6) import by cryogen water tank (22), cryogenic fluid pump (6) outlet is by the shower in the pipeline access evaporimeter (23), the water as refrigerant outlet of evaporimeter (24) inserts cryogenic fluid pump (15) import by cryogen water tank (14), and cryogenic fluid pump (15) outlet is by the shower in the pipeline access evaporimeter (24).
2. according to the described lithium-bromide absorption-type refrigerating machine of claim 1, it is characterized in that: the tube side outlet of described low pressure generator (19) is joined by stop valve (26) and set condensate pump (17) import with the shell side import junction of condenser (21), condensate pump (17) outlet is joined with set low tube side import of coagulating water heat exchanger (18), the low tube side that coagulates water heat exchanger (18) of sending out exports the shell side import that inserts condenser (21) by stop valve (20), between the outlet of the tube side of low pressure generator (19) and condenser (21) shell side import department, be provided with stop valve (25), lowly send out the delivery port that a shell side that coagulates water heat exchanger (18) is provided with water inlet and adds hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01219754 CN2484530Y (en) | 2001-04-20 | 2001-04-20 | Lithium-bromide absorption type refrigerator suitable for high temp.-difference and capable of fully utilizing energy resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01219754 CN2484530Y (en) | 2001-04-20 | 2001-04-20 | Lithium-bromide absorption type refrigerator suitable for high temp.-difference and capable of fully utilizing energy resource |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2484530Y true CN2484530Y (en) | 2002-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01219754 Expired - Lifetime CN2484530Y (en) | 2001-04-20 | 2001-04-20 | Lithium-bromide absorption type refrigerator suitable for high temp.-difference and capable of fully utilizing energy resource |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2484530Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852510A (en) * | 2010-06-03 | 2010-10-06 | 清华大学 | Novel unit structure for absorption machines capable of realizing big temperature difference |
| CN110030759A (en) * | 2019-04-30 | 2019-07-19 | 清华大学 | It is a kind of prevent that steam from penetrating every pressure device |
| CN114992902A (en) * | 2022-06-08 | 2022-09-02 | 国网新疆电力有限公司电力科学研究院 | Multi-energy complementary distributed cold-heat-electricity energy supply device and operation method |
-
2001
- 2001-04-20 CN CN 01219754 patent/CN2484530Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852510A (en) * | 2010-06-03 | 2010-10-06 | 清华大学 | Novel unit structure for absorption machines capable of realizing big temperature difference |
| CN101852510B (en) * | 2010-06-03 | 2013-08-21 | 清华大学 | Novel unit structure for absorption machines capable of realizing big temperature difference |
| CN110030759A (en) * | 2019-04-30 | 2019-07-19 | 清华大学 | It is a kind of prevent that steam from penetrating every pressure device |
| CN114992902A (en) * | 2022-06-08 | 2022-09-02 | 国网新疆电力有限公司电力科学研究院 | Multi-energy complementary distributed cold-heat-electricity energy supply device and operation method |
| CN114992902B (en) * | 2022-06-08 | 2023-08-11 | 国网新疆电力有限公司电力科学研究院 | Multi-energy complementary distributed cold-hot electric energy supply device and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |