CN101059291A - Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method - Google Patents
Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method Download PDFInfo
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- CN101059291A CN101059291A CNA2007100229542A CN200710022954A CN101059291A CN 101059291 A CN101059291 A CN 101059291A CN A2007100229542 A CNA2007100229542 A CN A2007100229542A CN 200710022954 A CN200710022954 A CN 200710022954A CN 101059291 A CN101059291 A CN 101059291A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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Abstract
Ammonia water absorption and compression composite refrigeration cycle system and refrigeration cycle method relate to a composite refrigeration cycle method which us Ammonia water as actuating medium and use medium and low grade heat energy and little electric energy. The low pressure grade part of the refrigeration cycle system consists of generator (1), absorber(10), solution pump (12) and solution heat exchanger (13), and the high pressure grade part of the refrigeration cycle system consists of compressor (4); heating steam pipeline is introduced from the steam inlet (1a)of generator (1) and is leaded out from the condensed water outlet (1b) of generator (1); the cooling water pipelines are leaded in through the segregator cooling water inlet (3a), absorber cooling water inlet (10a) and condensator cooling water inlet (6a) separately, and are leaded out through the segregator cooling water outlet (3b), absorber cooling water outlet (10b) and condensator cooling water outlet (6b); the cryogen pipelines are leaded in through the cryogen inlet (9a) of evaporator (9) and leaded out through the cryogen outlet (9b).
Description
Technical field
The present invention relates to a kind ofly absorb with compression combined cooling cycle system and adopt the round-robin method of this system, is working medium with ammoniacal liquor particularly, the compound-refrigerating round-robin method of low grade heat energy and small amount of electrical energy in the utilization.
Background technology
Ammonia absorption type refrigeration is a kind of refrigeration modes that drives with heat energy, once is widely used before the steam compression type refrigeration method is come out.Be characterized in directly being power, only need to consume a spot of auxiliary electric energy, just can realize kind of refrigeration cycle with heat energy.The cryogenic temperature scope of ammonia water absorbing refrigerator is very wide, not only can move under air conditioning condition, and can use in the various industrial refrigerations more than-60 ℃.The ammonia water absorbing refrigerator performance descends along with the reduction of cryogenic temperature, reduces with condensation temperature and improves; , cryogenic temperature lower at heat source temperature also requires under the lower condition, and often single-stage can not realize kind of refrigeration cycle, and must adopt other auxiliary circulation modes such as twin-stage this moment.
Absorption system and compression system respectively have the characteristics of self, and practical occasion is also different.Be in the refrigeration system of working medium with this environmental protection refrigerant of ammonia, no matter the occasion lower to cryogenic temperature is absorption or compression, often all adopts the twin-stage circulation.Concerning the absorption circulation of twin-stage, for the safety that guarantees to move, high-pressure section equipment (mainly being container) is relatively heavier, and under condition of high voltage, ammoniacal liquor adopts rectifying separation process energy consumption bigger in addition; And concerning the circulation of twin-stage compression-type refrigeration, along with the reduction of cryogenic temperature, the increase of ammonia specific volume is very fast, and under the requirement of satisfying refrigerating capacity, the volume of low-pressure stage compressor and power consumption all will increase thereupon.That is to say the circulation of twin-stage ammonia water absorbing, hiigh pressure stage partly has multiple unfavorable factor, and the circulation of twin-stage compression, low-pressure section has multiple unfavorable factor.Therefore will absorb with compression and be coupled, form that absorbing circulates with the compression compound-refrigerating just seems very valuable.
Summary of the invention
Technical problem: the round-robin method that the purpose of this invention is to provide a kind of ammoniacal liquor absorption and compression combined cooling cycle system and adopt this system to freeze, realize the kind of refrigeration cycle of ammonia absorption type refrigeration under low heat temperature, low cryogenic temperature condition, and reach the purpose of saving heat resource.
Technical scheme: in ammoniacal liquor absorption of the present invention and the compression combined cooling cycle system, generator, absorber, solution pump and solution heat exchanger have constituted the low-pressure stage part of this cooling cycle system, and compressor has constituted the hiigh pressure stage part of this cooling cycle system; Wherein, generator, rectifier, segregator are connected in series; The ammonia output of segregator links to each other with the input of ammonia compressor by the ammonia pipeline, the output of ammonia compressor links to each other with the ammonia input of condenser by ammonia oil separator, the ammoniacal liquor output of condenser links to each other with the ammoniacal liquor input of subcooler by the ammoniacal liquor pipeline, the ammoniacal liquor output of subcooler links to each other with the ammoniacal liquor input of evaporimeter by the ammonia choke valve, the ammonia output of evaporimeter links to each other with the ammonia input of absorber with the ammonia pipeline by subcooler, the concentrated ammonia liquor output of absorber links to each other with the concentrated ammonia liquor input of solution heat exchanger with the ammonia spirit pump by the ammoniacal liquor systematic pipeline, the weak aqua ammonia input of solution heat exchanger links to each other with the weak aqua ammonia output of generator by the ammoniacal liquor systematic pipeline, the concentrated ammonia liquor output of solution heat exchanger links to each other with the middle part of rectifier by the ammoniacal liquor systematic pipeline, and the weak aqua ammonia output of solution heat exchanger links to each other with the weak aqua ammonia input of absorber with the solution choke valve by the ammoniacal liquor systematic pipeline; The heating steam pipeline is introduced by the steam inlet of generator, draws from the condensate water outlet of generator; Cooling water pipeline is respectively by segregator cooling water inlet, absorber cooling water inlet, condenser cooling water import, and in parallel the introducing exports from segregator coolant outlet, absorber coolant outlet, condenser cooling water respectively, and parallel connection is drawn; The refrigerating medium pipeline is introduced by the refrigerating medium import of evaporimeter, draws from the refrigerating medium outlet of evaporimeter.
The refrigerating and circulating method that ammoniacal liquor of the present invention absorbs with compression combined cooling cycle system is: the ammonia steam that goes out evaporimeter is gone into absorber through subcooler is laggard, absorbed from generator and the dilute ammonia solution that after solution heat exchanger and the throttling of solution choke valve, enters absorber in the absorber, absorbing the heat water that is cooled and take away; Absorb the concentrated ammonia liquor of ending and enter rectifier through ammonia spirit pump and solution heat exchanger, produce highly purified middle ammonia steam and the dilute ammonia solution of pressing by generator, rectifier, segregator, segregator fractional condensation heat is taken away by cooling water; The middle pressure ammonia steam that takes place enters condenser behind ammonia compressor rising pressure, be condensed into liquid ammonia in condenser, and condensation heat is taken away by cooling water; Liquefied ammonia enters evaporimeter through subcooler and ammonia choke valve, and the ammonia steam behind the sweat cooling enters absorber again behind subcooler, constitutes thus to absorb and compression combined kind of refrigeration cycle.
Utilize industrial exhaust heat or solar energy to be used as the drive energy that low-pressure stage described in this cooling cycle system partially absorbs the formula circulation.Utilize the drive energy of electric energy as the compressor of hiigh pressure stage part described in this cooling cycle system.The heat that generator takes place is provided by the surplus right or solar energy of industry.
Beneficial effect:, thereby make the low-pressure stage part of the twin-stage compression-type refrigeration circulatory system can utilize industrial exhaust heat and solar energy to drive because the present invention adopts generator, absorber, solution pump and solution heat exchanger to substitute the low-pressure stage part of the double-stage compressive refrigerating system of electric energy driving; Substitute the high-pressure section of the twin-stage absorption system that drives with heat energy with compressor, thereby overcome drawbacks such as the hiigh pressure stage equipment component heaviness of twin-stage absorption system and rectifying energy consumption be excessive.
In a preferred embodiment of the invention, utilize industrial exhaust heat or solar energy to be used as the drive energy that low-pressure stage described in this cooling cycle system partially absorbs the formula circulation, utilize the drive energy of electric energy as the compressor of hiigh pressure stage part described in this cooling cycle system, so that absorption and compression is utilizing industrial exhaust heat or solar energy to realize having complementary advantages in the process of refrigerastion of lower temperature, circulation has higher efficiency of energy utilization and higher thermodynamics sophistication, thereby reaches the purpose of Utilizing Energy Sources in Reason and energy savings.
Description of drawings
The present invention will be further described below in conjunction with drawings and embodiments.
Fig. 1 is that ammoniacal liquor absorbs and compression combined circulatory system structural representation.Wherein have: generator 1, rectifier 2, segregator 3, ammonia compressor 4, ammonia oil separator 5, condenser 6, subcooler 7, ammonia choke valve 8, evaporimeter 9, absorber 10, solution choke valve 11, ammonia spirit pump 12, solution heat exchanger 13, water vapour import 1a, condensate water outlet 1b, segregator cooling water inlet 3a, absorber cooling water inlet 10a, condenser cooling water import 6a, segregator coolant outlet 3b, absorber coolant outlet 10b, condenser cooling water outlet 6b, refrigerating medium import 9a, refrigerating medium outlet 9b.
The specific embodiment
As shown in Figure 1, ammoniacal liquor absorbs the low-pressure stage part that has constituted this cooling cycle system with generator 1, absorber 10, solution pump 12 and the solution heat exchanger 13 of compression combined cooling cycle system, and compressor 4 has constituted the hiigh pressure stage part of this cooling cycle system; Wherein, generator 1, rectifier 2, segregator 3 are connected in series; The ammonia output of segregator 3 links to each other with the input of ammonia compressor 4 by the ammonia pipeline, the output of ammonia compressor 4 links to each other with the ammonia input of condenser 6 by ammonia oil separator 5, the ammoniacal liquor output of condenser 6 links to each other with the ammoniacal liquor input of subcooler 7 by the ammoniacal liquor pipeline, the ammoniacal liquor output of subcooler 7 links to each other with the ammoniacal liquor input of evaporimeter 9 by ammonia choke valve 8, the ammonia output of evaporimeter 9 links to each other with the ammonia input of absorber 10 with the ammonia pipeline by subcooler 7, the concentrated ammonia liquor output of absorber 10 links to each other with the concentrated ammonia liquor input of solution heat exchanger 13 with ammonia spirit pump 12 by the ammoniacal liquor systematic pipeline, the concentrated ammonia liquor output of solution heat exchanger 13 links to each other with rectifier 2 middle parts by the ammoniacal liquor systematic pipeline, the weak aqua ammonia output of generator 1 links to each other with the weak aqua ammonia input of solution heat exchanger 13 by the ammoniacal liquor systematic pipeline, and the weak aqua ammonia output of solution heat exchanger 13 links to each other with the weak aqua ammonia input of absorber 10 with solution choke valve 11 by the ammoniacal liquor systematic pipeline; The heating steam pipeline is introduced by the steam inlet 1a of generator 1, draws from the condensate water outlet 1b of generator 1; Cooling water pipeline is drawn from segregator coolant outlet 3b, absorber coolant outlet 10b, condenser cooling water outlet 6b parallel connection respectively respectively by segregator cooling water inlet 3a, absorber cooling water inlet 10a, condenser cooling water import 6a introducing in parallel; The refrigerating medium pipeline is introduced by the refrigerating medium import 9a of evaporimeter 9, draws from the refrigerating medium outlet 9b of evaporimeter 9.
When cryogenic temperature is lower, coolant water temperature is higher, and condensing pressure and evaporating pressure ratio concerning the ammonia compression-type refrigerating system, should not adopt the single-stage circulation more than or equal to 8 o'clock, should adopt the twin-stage compression.To the ammonia absorption type refrigeration system, under these conditions, system operation is also relevant with the driving heat source temperature, under the situation of heat source temperature lower (as solar energy and industrial waste heat), generally when the venting scope less than 6% the time, just need employing twin-stage flow process.For a two-stage system (twin-stage compression or twin-stage absorb), can one-level adopt absorption, another level adopts compression.Be low-pressure stage adopt absorption or hiigh pressure stage as absorption, two kinds of different combinations should be arranged here.Adopt low-pressure stage to absorb by analysis, the compound mode of hiigh pressure stage compression can obtain advantage separately good complementation.As shown in Figure 1, go out the low pressure ammonia steam of evaporimeter 9, at first enter the low-pressure stage absorption system, the ammonia gas that the goes out generator pressure that mediates enters compressor 4 again and is compressed into condensing pressure, is condensed into liquid at condenser 6, again devaporation device refrigeration.Concrete cyclic process is: come the ammonia steam of flash-pot 9 to enter absorber 10 behind subcooler 7, absorbed from generator 1 and through the dilute ammonia solution that solution heat exchanger 13 and solution choke valve 11 enter absorber 10 10 li of absorbers, absorb the heat water that is cooled and take away.Absorb the concentrated ammonia liquor of ending and enter rectifier 2 through solution pump 12 and solution heat exchanger 13, in generator 1, rectifier 2, segregator 3, produce highly purified middle ammonia steam and the dilute ammonia solution of pressing, enter condenser 6 behind the compressed machine 4 rising pressure of ammonia steam, in condenser 6, be condensed into liquid ammonia.Liquefied ammonia enters evaporimeter 9 through subcooler 7 and ammonia choke valve 8, and the ammonia steam behind the sweat cooling enters absorber 10 again behind subcooler 7.Constitute thus and absorb and compression combined circularly cooling circulation.This circulatory system has absorbed the advantage of absorption system and compression system undoubtedly.Particularly utilizing industrial exhaust heat or solar energy, requiring the lower occasion of cryogenic temperature, this invention consumes a spot of electric energy when utilizing industrial exhaust heat, kind of refrigeration cycle is got realize.System compares with the twin-stage ammonia absorption type refrigeration, can reduce equipment investment, has also reduced the volume of equipment.Compare with the circulation of twin-stage compression-type refrigeration, can save the high-quality electric energy, use low grade heat energy, economize on resources.
Claims (4)
1, a kind of ammoniacal liquor absorbs and compression combined cooling cycle system, it is characterized in that generator (1), absorber (10), solution pump (12) and solution heat exchanger (13) have constituted the low-pressure stage part of this cooling cycle system, compressor (4) has constituted the hiigh pressure stage part of this cooling cycle system; Wherein, generator (1), rectifier (2), segregator (3) are connected in series; The ammonia output of segregator (3) links to each other with the input of ammonia compressor (4) by the ammonia pipeline, the output of ammonia compressor (4) links to each other with the ammonia input of condenser (6) by ammonia oil separator (5), the ammoniacal liquor output of condenser (6) links to each other with the ammoniacal liquor input of subcooler (7) by the ammoniacal liquor pipeline, the ammoniacal liquor output of subcooler (7) links to each other with the ammoniacal liquor input of evaporimeter (9) by ammonia choke valve (8), the ammonia output of evaporimeter (9) links to each other with the ammonia input of ammonia pipeline with absorber (10) by subcooler (7), the concentrated ammonia liquor output of absorber (10) links to each other with the concentrated ammonia liquor input of ammonia spirit pump (12) with solution heat exchanger (13) by the ammoniacal liquor systematic pipeline, the concentrated ammonia liquor output of solution heat exchanger (13) links to each other with rectifier (2) middle part by the ammoniacal liquor systematic pipeline, the weak aqua ammonia output of generator (1) links to each other with the weak aqua ammonia input of solution heat exchanger (13) by the ammoniacal liquor systematic pipeline, and the weak aqua ammonia output of solution heat exchanger (13) links to each other with the weak aqua ammonia input of solution choke valve (11) with absorber (10) by the ammoniacal liquor systematic pipeline; The heating steam pipeline is introduced by the steam inlet (1a) of generator (1), draws from the condensate water outlet (1b) of generator (1); Cooling water pipeline is respectively by segregator cooling water inlet (3a), absorber cooling water inlet (10a), condenser cooling water import (6a), introduce, from segregator coolant outlet (3b), absorber coolant outlet (10b), condenser cooling water outlet (6b), draw respectively; The refrigerating medium pipeline is introduced by the refrigerating medium import (9a) of evaporimeter (9), draws from the refrigerating medium outlet (9b) of evaporimeter (9).
2, a kind of refrigerating and circulating method that adopts ammoniacal liquor absorption as claimed in claim 1 and compression combined cooling cycle system, it is characterized in that, the ammonia steam that goes out evaporimeter (9) is by enter absorber (10) behind subcooler (7), absorbed from generator (1) and the dilute ammonia solution that enters absorber (10) after solution heat exchanger (13) and solution choke valve (11) throttling in absorber (10) lining, the absorption heat water that is cooled is taken away; Absorb the concentrated ammonia liquor of ending and enter rectifier (2) through ammonia spirit pump (12) and solution heat exchanger (13), produce highly purified middle ammonia steam and the ammoniacal liquor weak solution of pressing by generator (1), rectifier (2), segregator (3), the generator thermal source is supplied with by the low level afterheat steam, and the heat of segregator (3) fractional condensation is taken away by cooling water; The middle pressure ammonia steam that takes place enters condenser (6) behind ammonia compressor (4) rising pressure, be condensed into liquid ammonia in condenser (6), and condensation heat is taken away by cooling water; Liquefied ammonia enters evaporimeter (9) through subcooler (7) and ammonia choke valve (8), and the ammonia steam behind the sweat cooling absorbs heat and taken away by cooling water by enters absorber (10) again behind subcooler (7), constitutes thus to absorb and compression combined circularly cooling circulation.
3, the refrigerating and circulating method of ammoniacal liquor absorption as claimed in claim 2 and compression combined cooling cycle system is characterized in that utilizing industrial exhaust heat or solar energy to be used as the drive energy that low-pressure stage described in this cooling cycle system partially absorbs the formula circulation.
4, the refrigerating and circulating method of ammoniacal liquor absorption as claimed in claim 2 and compression combined cooling cycle system is characterized in that utilizing the drive energy of electric energy as the compressor of hiigh pressure stage part described in this cooling cycle system.
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| CNA2007100229542A CN101059291A (en) | 2007-05-25 | 2007-05-25 | Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968288A (en) * | 2010-10-22 | 2011-02-09 | 北京化工大学 | Absorption-compression composite refrigeration cycle system |
| CN102141323A (en) * | 2011-03-11 | 2011-08-03 | 北京天际旭能太阳能制冷技术有限公司 | System combining compressor refrigerating and thermal refrigerating |
| CN102410660A (en) * | 2011-10-25 | 2012-04-11 | 浙江理工大学 | Absorption-compression type double-effect second-class heat pump system |
| CN102645050A (en) * | 2011-02-22 | 2012-08-22 | 中国科学院工程热物理研究所 | Ammonia water absorbing-type refrigeration system and method using concentration-adjustable working medium |
| CN102650467A (en) * | 2012-04-25 | 2012-08-29 | 深圳力合电力工程有限公司 | Single-effect mixed heat pump unit and double-effect mixed heat pump unit |
| CN103398505A (en) * | 2013-03-12 | 2013-11-20 | 庞怡 | Combined heat pump and solar hot water heating and ventilation system |
| CN103574981A (en) * | 2012-07-20 | 2014-02-12 | 中国石油化工集团公司 | Framework system and method for preparing low-temperature refrigerant |
| CN103759457A (en) * | 2013-12-10 | 2014-04-30 | 重庆翔源制冷设备有限公司 | Effective cold-storage type less-ammonia refrigeration system of ammonia refrigerator |
| CN105805978A (en) * | 2016-03-24 | 2016-07-27 | 东南大学 | Ammonium hydroxide absorption refrigeration cycle system utilizing internal thermal coupling rectifying tower |
| CN106016822A (en) * | 2016-05-18 | 2016-10-12 | 中国科学院工程热物理研究所 | Waste heat and electricity composite drive temperature increasing type heat pump circulation system |
| CN107238228A (en) * | 2017-06-09 | 2017-10-10 | 东南大学 | A kind of cooling cycle system and operation method for being combined ammonia absorption and injection |
| CN107726665A (en) * | 2017-09-18 | 2018-02-23 | 东南大学 | The two stage compression refrigeration heat pump circulating device and method of heat release reversible reaction are inhaled based on chemistry |
| CN108106050A (en) * | 2018-01-15 | 2018-06-01 | 江苏乐科节能科技股份有限公司 | The refrigeration system and method for chilled water are produced using low-grade exhaust heat |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
| CN109163473A (en) * | 2018-08-09 | 2019-01-08 | 山东大学 | A kind of microwave absorption formula refrigeration system and method |
| CN109297255A (en) * | 2018-10-16 | 2019-02-01 | 安徽沃特普尔节能科技有限公司 | A kind of energy-saving gas ammonia compression process |
| CN110057135A (en) * | 2019-04-24 | 2019-07-26 | 湖南科技大学 | Solar energy for refrigerator car assists ammonia absorption/compression composite refrigeration system |
| CN110145894A (en) * | 2019-05-23 | 2019-08-20 | 青岛澳柯玛智慧冷链有限公司 | A kind of multi-stage heat exchanger absorption refrigeration cooling system for built-in showcase |
| CN112629067A (en) * | 2020-10-28 | 2021-04-09 | 华南理工大学 | Two-stage compression composite refrigeration system with parallel thermal compression and mechanical compression and method thereof |
| CN113818934A (en) * | 2021-10-19 | 2021-12-21 | 普泛能源技术研究院(北京)有限公司 | Adjustable combined cooling and power system and process and operation method thereof |
| CN115013998A (en) * | 2022-06-27 | 2022-09-06 | 张丽红 | Ammonia absorption heat pump and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968288A (en) * | 2010-10-22 | 2011-02-09 | 北京化工大学 | Absorption-compression composite refrigeration cycle system |
| CN101968288B (en) * | 2010-10-22 | 2012-07-04 | 北京化工大学 | Absorption-compression composite refrigeration cycle system |
| CN102645050A (en) * | 2011-02-22 | 2012-08-22 | 中国科学院工程热物理研究所 | Ammonia water absorbing-type refrigeration system and method using concentration-adjustable working medium |
| CN102141323A (en) * | 2011-03-11 | 2011-08-03 | 北京天际旭能太阳能制冷技术有限公司 | System combining compressor refrigerating and thermal refrigerating |
| CN102410660B (en) * | 2011-10-25 | 2013-04-24 | 浙江理工大学 | Absorption-compression-type dual-purpose second species heat pump system |
| CN102410660A (en) * | 2011-10-25 | 2012-04-11 | 浙江理工大学 | Absorption-compression type double-effect second-class heat pump system |
| CN102650467A (en) * | 2012-04-25 | 2012-08-29 | 深圳力合电力工程有限公司 | Single-effect mixed heat pump unit and double-effect mixed heat pump unit |
| CN103574981A (en) * | 2012-07-20 | 2014-02-12 | 中国石油化工集团公司 | Framework system and method for preparing low-temperature refrigerant |
| CN103574981B (en) * | 2012-07-20 | 2015-12-02 | 中国石油化工集团公司 | A kind of construction system and method preparing low temperature refrigerant |
| CN103398505A (en) * | 2013-03-12 | 2013-11-20 | 庞怡 | Combined heat pump and solar hot water heating and ventilation system |
| CN103398505B (en) * | 2013-03-12 | 2016-06-15 | 庞怡 | A kind of associating heat pump and solar water HVAC system |
| CN103759457A (en) * | 2013-12-10 | 2014-04-30 | 重庆翔源制冷设备有限公司 | Effective cold-storage type less-ammonia refrigeration system of ammonia refrigerator |
| CN103759457B (en) * | 2013-12-10 | 2016-03-23 | 重庆翔源制冷设备有限公司 | The cold storage few ammonia high-efficiency refrigerating system of ammonia freezer |
| CN105805978B (en) * | 2016-03-24 | 2017-12-22 | 东南大学 | Utilize the ammonia absorption type refrigeration circulatory system of internal thermally coupled distillation column |
| CN105805978A (en) * | 2016-03-24 | 2016-07-27 | 东南大学 | Ammonium hydroxide absorption refrigeration cycle system utilizing internal thermal coupling rectifying tower |
| CN106016822A (en) * | 2016-05-18 | 2016-10-12 | 中国科学院工程热物理研究所 | Waste heat and electricity composite drive temperature increasing type heat pump circulation system |
| CN106016822B (en) * | 2016-05-18 | 2018-07-31 | 中国科学院工程热物理研究所 | The warming heat pump circulatory system of waste heat and electric composite drive |
| CN107238228B (en) * | 2017-06-09 | 2019-12-13 | 东南大学 | refrigerating cycle system combining ammonia water absorption and injection and operation method |
| CN107238228A (en) * | 2017-06-09 | 2017-10-10 | 东南大学 | A kind of cooling cycle system and operation method for being combined ammonia absorption and injection |
| CN107726665B (en) * | 2017-09-18 | 2023-05-16 | 东南大学 | Two-stage compression refrigeration heat pump circulation device and method based on reversible chemisorption heat release |
| CN107726665A (en) * | 2017-09-18 | 2018-02-23 | 东南大学 | The two stage compression refrigeration heat pump circulating device and method of heat release reversible reaction are inhaled based on chemistry |
| CN108106050A (en) * | 2018-01-15 | 2018-06-01 | 江苏乐科节能科技股份有限公司 | The refrigeration system and method for chilled water are produced using low-grade exhaust heat |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
| CN109163473A (en) * | 2018-08-09 | 2019-01-08 | 山东大学 | A kind of microwave absorption formula refrigeration system and method |
| CN109297255A (en) * | 2018-10-16 | 2019-02-01 | 安徽沃特普尔节能科技有限公司 | A kind of energy-saving gas ammonia compression process |
| CN110057135A (en) * | 2019-04-24 | 2019-07-26 | 湖南科技大学 | Solar energy for refrigerator car assists ammonia absorption/compression composite refrigeration system |
| CN110145894A (en) * | 2019-05-23 | 2019-08-20 | 青岛澳柯玛智慧冷链有限公司 | A kind of multi-stage heat exchanger absorption refrigeration cooling system for built-in showcase |
| CN112629067A (en) * | 2020-10-28 | 2021-04-09 | 华南理工大学 | Two-stage compression composite refrigeration system with parallel thermal compression and mechanical compression and method thereof |
| CN113818934A (en) * | 2021-10-19 | 2021-12-21 | 普泛能源技术研究院(北京)有限公司 | Adjustable combined cooling and power system and process and operation method thereof |
| CN115013998A (en) * | 2022-06-27 | 2022-09-06 | 张丽红 | Ammonia absorption heat pump and control method thereof |
| CN115013998B (en) * | 2022-06-27 | 2023-05-12 | 张丽红 | Ammonia water absorption heat pump and control method thereof |
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