CN102374698A - Refrigerating system being opening-type refrigerating and heating device - Google Patents
Refrigerating system being opening-type refrigerating and heating device Download PDFInfo
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- CN102374698A CN102374698A CN2011103853799A CN201110385379A CN102374698A CN 102374698 A CN102374698 A CN 102374698A CN 2011103853799 A CN2011103853799 A CN 2011103853799A CN 201110385379 A CN201110385379 A CN 201110385379A CN 102374698 A CN102374698 A CN 102374698A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000005057 refrigeration Methods 0.000 claims description 42
- 239000006096 absorbing agent Substances 0.000 claims description 25
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 17
- 230000005494 condensation Effects 0.000 abstract description 17
- 239000013505 freshwater Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000003507 refrigerant Substances 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 abstract description 4
- 239000013535 sea water Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 abstract 1
- 239000005457 ice water Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 238000001704 evaporation Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The invention discloses a refrigerating system being an opening-type refrigerating and heating device, which comprises an evaporator and a condenser. The refrigerating system is characterized in that a hot source water input pipeline and a cold water and ice water output pipeline are connected to the evaporator, a cooling water input pipeline and a cooling water and condensing water output pipeline are connected to the condenser, a hot source water vapor absorbing and exhausting device is arranged between the evaporator and the condenser, and vacuum keeping systems are arranged on the evaporator and the condenser. Compared with the traditional cold and heat pump unit, the refrigerating system is an opening type, does not need a refrigerant throttling device or refrigerant pump because refrigerant is directly evaporated and condensed under the vacuum state without a heat exchange heat-conducting material and heat transfer temperature difference and can not be recycled, and is completely environment-friendly. In addition, the liquid water generated by the condensation of the refrigerating system is an ideal fresh water, thus the refrigerating system can be widely applied to sea water desalinization.
Description
Technical field
The present invention relates to refrigeration, heating combined equipment that a kind of refrigeration system is an open type, belong to refrigeration, heat pump techniques.
Background technology
The refrigeration system of traditional steam compression type and absorption refrigeration, heating combined equipment is enclosed, the purpose that the circulation that goes round and begins again in device inside through cold-producing medium reaches refrigeration, heats.In its basic kind of refrigeration cycle, the flow direction of modes cold-producing medium be evaporimeter 1 ' → compressor 2 ' → condenser 4 ' → throttling arrangement 3 ' → evaporimeter 1 ' (like Fig. 1); Perhaps, evaporimeter 1 〞 → absorber 2 〞 → solution pump 3 〞 → solution heat exchanger 5 〞 → generator 6 〞 → condenser 7 〞 → throttling arrangement 8 〞 → evaporimeter 1 〞 (like Fig. 2); Perhaps, evaporimeter 1 " → absorber 2 " → solution heat exchanger 3 " → throttling arrangement 4 " → generator 5 " → condenser 6 " → cryogenic fluid pump 7 " → evaporimeter 1 " (like Fig. 3).
More than each refrigeration system, cold-producing medium is in the unit inner loop, it is cold or hotly be transported to required place through refrigerating medium that unit operation produces, cold-producing medium itself does not contact with its refrigerating medium, but carries out heat exchange through heat exchanger and refrigerating medium.Receive the restriction of its operation mechanism; There are heat transfer temperature difference in evaporimeter and condenser that closed circulation need adopt Heat Conduction Material to process, and refrigeration system four big parts are indispensable; And only suitable sensible heat, heat of solidification or the latent heat of liquefaction that extracts thermal source (like refrigeration duty, heat source water); Thermal source is lowered the temperature, solidifies, perhaps liquefied, can not the vaporization of a liquid heat source part, remainder be solidified because of absorbing heat, this is an one of which;
Its two, unit operation only produces cold or hot, does not have other product;
In addition; For unit vapor compression type refrigerator, the cold-producing medium that it adopts also generally has destructive to environment, like freon refrigerant; These cold-producing mediums have destruction, produce greenhouse effects the ozone of atmosphere, and some cold-producing medium still is flammable, poisonous.
Summary of the invention
The present invention is intended to break through above defective; It is refrigeration, the heating combined equipment of open type that a kind of refrigeration system is provided; With refrigerant system design is open type; Directly with natural medium in the atmospheric environment as thermal source medium and cold-producing medium, be allowed to condition under the vacuum evaporation, condensation, realize freezing, heating, produce the fresh water function.
Technical scheme of the present invention is: a kind of refrigeration system is refrigeration, the heating combined equipment of open type; It comprises evaporimeter and condenser; Characteristics are; On evaporimeter, be connected with heat source water (simultaneously also as cold-producing medium) intake line and cold water frozen water output pipe, on condenser, be connected with coolant intake pipe road and condensed water delivery pipe road, be provided with the heat source water steam between evaporimeter and the condenser and absorb tapping equipment; The heat source water steam absorbs tapping equipment and is communicated with evaporimeter and condenser respectively through pipeline, on evaporimeter and condenser, is provided with vacuum and keeps system.When the water vapor condensation pressure in the condenser during greater than atmospheric pressure, condenser also can not established vacuum and keep system.
Described heat source water steam absorbs tapping equipment can be compressor, and system is connected and composed by evaporimeter, compressor, condenser.
Described heat source water steam absorbs tapping equipment can also be absorber and generator; Be provided with solution heat exchanger, throttling arrangement between absorber and the generator, system is connected and composed by evaporimeter, absorber, solution heat exchanger, generator, condenser, throttling arrangement.
Compare with traditional refrigerating heat pump unit; The present invention is open; Cold-producing medium is directly evaporation, condensation under vacuum state, and evaporimeter in the open type refrigeration system and condenser all non-traditional heat exchanger mode evaporimeter and condenser, its evaporimeter and condenser only provide the environment that a vacuum, gas-liquid separation space and atomizing absorb steam respectively; Need not heat exchange and use Heat Conduction Material, also do not have heat transfer temperature difference.And, not recycle of cold-producing medium (being heat source water), so need not cold-producing medium throttling arrangement or cryogenic fluid pump, whole device is environmental protection fully.In addition, the present invention also has a significant advantage of ten minutes, and the aqueous water that is exactly the condensation generation is desirable fresh water, so the present invention can be widely used in desalinization.
Describe the present invention below in conjunction with accompanying drawing and embodiment.
Description of drawings
The structural representation of Fig. 1-traditional vapor compression type refrigerating system;
The structural representation of Fig. 2-traditional first kind absorption heat pump refrigeration system;
The structural representation of Fig. 3-traditional second class absorption heat pump refrigeration system;
The structural representation of Fig. 4-open type vapor compression type refrigerating system of the present invention;
The structural representation of Fig. 5-open-type first kind absorption heat pump refrigeration system of the present invention;
The structural representation of Fig. 6-open type second class absorption heat pump refrigeration system of the present invention.
The explanation of accompanying drawing (Fig. 4, Fig. 5, Fig. 6) drawing:
1 evaporimeter, 2 compressors, 3 condensers, 4 condensed water rear pumps; 5 cold water frozen water rear pumps, 6 absorbers, 7 throttling arrangements, 8 solution heat exchangers; 9 generators, 10 solution pumps, 11 heat source water intake lines, 12 cold water frozen water output pipes; 13 condensed water delivery pipe roads, 14 hot water rear pumps, 15 hot water delivery pipe roads.
The specific embodiment
Describe for ease, embodiment describes as heat source water and cold-producing medium with water, all is fit to the present invention with fluid like the water.What can be used as the native system thermal source comprises fresh water, seawater, water of river and lake, sewage or industrial wastewater etc.Version among the embodiment comprises steam compression type refrigerating, heating and absorption type heat pump system two big classes.
Embodiment 1, and referring to Fig. 4, shown in Figure 4 is the open type vapor compression type refrigerating system.This system is is mainly connected and composed by evaporimeter 1, compressor 2 and condenser 3.On evaporimeter 1, be connected with heat source water (simultaneously also as cold-producing medium) intake line 11 and cold water frozen water output pipe 12; On condenser 3, be connected with coolant intake pipe road and condensed water delivery pipe road 13; As open system; In order to guarantee the system vacuum degree, this open system also is equiped with vacuum as required and keeps system's (like vavuum pump etc.) on evaporimeter 1 and condenser 3.
Its course of work is: heat source water gets into evaporimeter 1 through heat source water intake line 11, and the water explosive evaporation produces steam under vacuum environment, and steam is compressed machine 2 and siphons away.In the evaporimeter 1, water becomes steam process by liquid state will absorb heat, and remaining water becomes cold water or mixture of ice and water because of temperature after being absorbed heat reduces, and is taken away by cold water frozen water output pipe 12 through cold water frozen water rear pump 5, is used for refrigeration.Compressor 2 compression raises its pressure and temperature from the steam that evaporimeter 1 sucks, and gets into condenser 3 after becoming superheated vapor.In condenser 3, be cooled water spray of this steam cools off liquefy water again, is taken away by condensed water delivery pipe road 13 through condensed water rear pump 4.Steam produces fresh water, release heat in liquefaction process.This heat can be used for heat supply as heating source, and perhaps as the low level heat energy of water resource heat pump, and the water that condensation produces is desirable fresh water.Because of this system is an open type, not recycle of cold-producing medium is so need not the cold-producing medium throttling arrangement.
Its course of work is: heat source water gets into evaporimeter 1, and the water explosive evaporation produces steam under vacuum environment, and steam is absorbed device 6 and siphons away.In the evaporimeter 1, water becomes steam process by liquid state will absorb heat, and remaining water becomes cold water or mixture of ice and water because of temperature after being absorbed heat reduces, and takes away through cold water frozen water rear pump 5, is used for refrigeration.In absorber 6, steam is absorbed agent and absorbs, and becomes liquid from gas, discharges latent heat of liquefaction.Concentration was thinning after absorbent in the absorber 6 absorbed steam, got into generator 9 through solution pump 10, behind solution heat exchanger 8.Extraneous heating source adds heater 9 concentrates absorbent, and the absorbent after concentrating comes back to absorber 6 behind throttling arrangement 7.The steam that concentration process produces gets in the condenser 3, and this steam water spray that is cooled cools off liquefy water again, and this condensation process also discharges latent heat of liquefaction.The latent heat that the refrigerant vapour liquefaction process is discharged in absorber 6 and the condenser 3 raises cooling water temperature, can be used as heating source, and the water that condensation produces is desirable fresh water, takes away through condensed water rear pump 4.Equally, as open system, in order to guarantee the system vacuum degree, this open system also is equiped with vacuum as required and keeps system's (vavuum pump etc.) on evaporimeter 1, condenser 3, absorber 6.Because of this system is an open type, not recycle of cold-producing medium is so refrigerant loop also need not cryogenic fluid pump and throttling arrangement.
Can know that by Fig. 5 this open-type first kind absorption heat pump refrigeration system has been because absorbed the heat of heat source water, finally offer the heat of generator 9 greater than extraneous heating source, belong to gain of heat type source pump from absorber 6 and condenser 3 resulting heats.Simultaneously, obtain cold water or mixture of ice and water, obtain the fresh water that condensation produces from condenser 3 from this heat pump assembly evaporimeter 1.
Its course of work is: heat source water gets into evaporimeter 1, and the water explosive evaporation produces steam under vacuum environment, and steam is absorbed device 6 and siphons away.In the evaporimeter 1, water becomes steam process by liquid state will absorb heat, and remaining water becomes cold water or mixture of ice and water because of temperature after being absorbed heat reduces, and takes away through cold water frozen water rear pump 5, is used for refrigeration.In absorber 6, steam is absorbed agent and absorbs, and becomes liquid from gas, discharges latent heat of liquefaction, is used to heat, and delivers to the place that needs heating via hot water delivery pipe road 15 through hot water rear pump 14.Concentration was thinning after absorbent in the absorber 6 absorbed steam, behind solution heat exchanger 8, throttling arrangement 7, got into generator 9.Extraneous heating source (like heat source water etc.) adds that weak solutions concentrate absorbent in the heater 9, and the absorbent after concentrating comes back to absorber 6 behind solution pump 10.The steam that the solution concentration process produces in the generator 9 gets in the condenser 3; This steam is cooled off liquefy water again by the cool water shower that temperature is lower than heating source; This condensation process also discharges latent heat of liquefaction; And the water that condensation produces is desirable fresh water, and this water is taken away through condensed water rear pump 4.Equally, as open system, in order to guarantee the system vacuum degree, this open system also is equiped with vacuum as required and keeps system's (vavuum pump etc.) on evaporimeter 1, condenser 3, absorber 6.Because of this system is an open type, not recycle of cold-producing medium is so also need not cryogenic fluid pump and cold-producing medium throttling arrangement.
Can know by Fig. 6; Offer the heat of this open type second class absorption heat pump refrigeration system, a part becomes the aqueous water (being condensed water) that temperature is lower than heat source water being lower than condensation release under the heat source water temperature; The cooling water of device 3 of being condensed is taken away; Another part heat transferred temperature is higher than the hot water of heat source water temperature, obtains from absorber 6, belongs to the warming heat pump unit.Simultaneously, obtain cold water or mixture of ice and water, obtain the fresh water that condensation produces from condenser 3 from this heat pump assembly evaporimeter 1.
Above-mentioned three kinds of open type refrigeration systems are cold-producing medium directly evaporation, condensation under vacuum state; Evaporimeter in the open type refrigeration system and condenser all non-traditional heat exchanger mode evaporimeter and condenser; Its evaporimeter and condenser only provide the environment that a vacuum, gas-liquid separation space and atomizing absorb steam respectively; Need not heat exchange and use Heat Conduction Material, also do not have heat transfer temperature difference.And water is thermal source, also is cold-producing medium simultaneously, and whole device is environmental protection fully.
The general character of each embodiment of front is summarized; No matter be open type unit vapor compression type refrigerator or open type absorption heat pump unit; Their something in commons are: in the evaporimeter, water is directly explosive evaporation under vacuum environment, and the steam that evaporation produces is taken away through compressor or absorber; Remaining water is because taken away heat by steam; Itself is cooled, and becomes cold water, mixture of ice and water, need can be applicable to the place (like air-conditioning, ice-reserving) or the artificial snow (snow also needs to process with ice through snowmaker) of refrigeration.In condenser, the condensed that vaporous water is directly sprayed becomes aqueous water, and no matter heat source water is seawater or fresh water, and the aqueous water that condensation produces is fresh water, can satisfy the area that lacks fresh water and use, so this device also can be widely used in desalinization.The heat that condensation, absorption process discharge can be used for the place (as warming oneself, provide health hot water, technology heating etc.) of needs heating.
Fig. 4, Fig. 5, refrigeration system shown in Figure 6 are respectively open type steam single stage compress formula refrigeration system, open-type first kind single-effective absorption heat pump refrigerating system, second type of single-effective absorption heat pump refrigerating of open type system.In the practical implementation process, in order to improve the operational efficiency of system, satisfy different demands, different according to the hot water temperature of the temperature of heat source water and needs, each open system can also have following form respectively:
One, for the open type vapor compression type refrigerating system
Compressor can be single stage compress, twin-stage compression and multi-stage compression, to adapt under different condensation temperatures installing the demand of different compression ratios.
Two, for the refrigeration system of first, second class absorption heat pump of open type
Heat pump can be single-action, economic benefits and social benefits and multiple-effect, to adapt to the temperature of different heat sources coolant-temperature gage and heating source, improves the operational efficiency of device.
But more than two system's cooperations, the use of also can connecting with traditional refrigerating plant respectively is to adapt to different service conditions, to satisfy different demands.
Claims (4)
1. refrigeration, heating combined equipment that refrigeration system is an open type; It comprises evaporimeter (1) and condenser (3); It is characterized in that; On evaporimeter (1), be connected with heat source water intake line and cold water frozen water output pipe, on condenser (3), be connected with coolant intake pipe road and condensed water delivery pipe road, be provided with the heat source water steam between evaporimeter (1) and the condenser (3) and absorb tapping equipment; The heat source water steam absorbs tapping equipment and is communicated with evaporimeter (1) and condenser (3) respectively through pipeline, on evaporimeter (1), is provided with vacuum and keeps system.
2. refrigeration, heating combined equipment that refrigeration system according to claim 1 is an open type is characterized in that, it is compressor (2) that the heat source water steam absorbs tapping equipment, and system is connected and composed by evaporimeter (1), compressor (2), condenser (3).
3. refrigeration, heating combined equipment that refrigeration system according to claim 1 is an open type; It is characterized in that; The heat source water steam absorbs tapping equipment and comprises absorber (6) and generator (9); Be provided with solution heat exchanger (8), throttling arrangement (7) between absorber (6) and the generator (9), system is connected and composed by evaporimeter (1), absorber (6), solution heat exchanger (8), generator (9), condenser (3), throttling arrangement (7).
4. refrigeration, heating combined equipment that refrigeration system according to claim 1 is an open type is characterized in that, on condenser (3), are provided with vacuum and keep system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110385379 CN102374698B (en) | 2011-11-29 | 2011-11-29 | Refrigerating and heating device with refrigerating system being opening-type |
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| CN 201110385379 CN102374698B (en) | 2011-11-29 | 2011-11-29 | Refrigerating and heating device with refrigerating system being opening-type |
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| CN102374698A true CN102374698A (en) | 2012-03-14 |
| CN102374698B CN102374698B (en) | 2013-07-10 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043735A (en) * | 2012-12-26 | 2013-04-17 | 东方电气集团东汽投资发展有限公司 | Heat pump type small seawater desalting device |
| CN103591732A (en) * | 2013-10-23 | 2014-02-19 | Tcl空调器(中山)有限公司 | Air-conditioning system |
| CN104654573A (en) * | 2015-02-09 | 2015-05-27 | 大连理工大学 | Hot-melt-type solidification latent heat pump capable of recycling waste heat |
| CN106082373A (en) * | 2016-08-22 | 2016-11-09 | 王骏 | A kind of energy-saving water purification machine |
| CN106698573A (en) * | 2015-11-12 | 2017-05-24 | 孙洲阳 | Vacuum seawater desalination and refrigeration (ice-making) integrated technology and device |
| CN109442776A (en) * | 2018-11-30 | 2019-03-08 | 中国科学院广州能源研究所 | A kind of water refrigerant air-conditioning equipment |
| CN109708338A (en) * | 2017-10-25 | 2019-05-03 | 北京华源泰盟节能设备有限公司 | A kind of sewage, seawater vacuum evaporator and absorption heat pump |
| CN109832687A (en) * | 2017-11-24 | 2019-06-04 | 广东高品压缩机有限公司 | A kind of in line portable air-conditioning clothes of changes in temperature |
| CN112413925A (en) * | 2019-08-23 | 2021-02-26 | 海南泰立来科技有限公司 | Low-temperature heat source refrigerating device |
| CN112815576A (en) * | 2019-11-18 | 2021-05-18 | 海南光谱太阳能技术工程有限公司 | Comprehensive energy-saving system for solar energy utilization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106082373A (en) * | 2016-08-22 | 2016-11-09 | 王骏 | A kind of energy-saving water purification machine |
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| CN109832687A (en) * | 2017-11-24 | 2019-06-04 | 广东高品压缩机有限公司 | A kind of in line portable air-conditioning clothes of changes in temperature |
| CN109442776A (en) * | 2018-11-30 | 2019-03-08 | 中国科学院广州能源研究所 | A kind of water refrigerant air-conditioning equipment |
| CN109442776B (en) * | 2018-11-30 | 2023-12-12 | 中国科学院广州能源研究所 | Water refrigerant air conditioning equipment |
| CN112413925A (en) * | 2019-08-23 | 2021-02-26 | 海南泰立来科技有限公司 | Low-temperature heat source refrigerating device |
| CN112815576A (en) * | 2019-11-18 | 2021-05-18 | 海南光谱太阳能技术工程有限公司 | Comprehensive energy-saving system for solar energy utilization |
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|---|---|
| CN102374698B (en) | 2013-07-10 |
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