WO2021047125A1 - Cycle combiné de vapeur de milieu de travail unique inverse - Google Patents

Cycle combiné de vapeur de milieu de travail unique inverse Download PDF

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Publication number
WO2021047125A1
WO2021047125A1 PCT/CN2020/000212 CN2020000212W WO2021047125A1 WO 2021047125 A1 WO2021047125 A1 WO 2021047125A1 CN 2020000212 W CN2020000212 W CN 2020000212W WO 2021047125 A1 WO2021047125 A1 WO 2021047125A1
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Prior art keywords
working fluid
kilogram
endothermic
heat release
depressurization
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PCT/CN2020/000212
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English (en)
Chinese (zh)
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李华玉
李鸿瑞
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李华玉
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Publication of WO2021047125A1 publication Critical patent/WO2021047125A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle

Definitions

  • the invention belongs to the technical fields of thermodynamics, refrigeration and heat pumps.
  • the main purpose of the present invention is to provide a reverse single working fluid steam combined cycle.
  • the specific content of the invention is described as follows:
  • Reverse single working fluid steam combined cycle refers to the nine processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid endothermic vaporization process 12, (M 1 + M 2) kg refrigerant endothermic process 23, (M 1 + M 2 ) kg bootstrapping working medium 34, (M 1 + M 2 ) kg exothermic process working medium 45, M 2 56 kg refrigerant exothermic process , M 2 kg working fluid depressurization process 62, M 1 kg working fluid boosting process 57, M 1 kg working fluid exothermic condensation process 78, M 1 kg working fluid depressurizing process 81-a closed process composed of.
  • Reverse single working fluid steam combined cycle refers to the working fluid composed of M 1 kilogram and M 2 kilograms, which are carried out separately or jointly or partially in twelve processes-M 1 kilogram working fluid endothermic vaporization process 12, ( M 1 +M 2 ) kg working fluid endothermic process 23, (M 1 +M 2 -X) kg working fluid endothermic process 34, (M 1 +M 2 -X) kg working fluid boosting process 45, (M 1 +M 2 -X) Kilogram working fluid heat release process 56, X kilogram working fluid boost process 36, (M 1 +M 2 ) Kilogram working fluid heat release process 67, M 2 kg working fluid heat release process 78, M 2 kg working fluid depressurization process 82, M 1 kg working fluid boosting process 79, M 1 kg working fluid exothermic condensation process 9c, M 1 kg working fluid depressurizing process c1-a closed process composed of.
  • Reverse single working fluid steam combined cycle refers to eleven processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg of working fluid endothermic vaporization process 12, (M 1 + M 2) kg refrigerant endothermic process 23, (M 1 + M 2 ) kg bootstrapping working medium 34, (M 1 + M 2 ) kg exothermic process working medium 45, M 2 kg exothermic process refrigerants 56, M 2 kg working fluid depressurization process 6a, M 2 kg working fluid endothermic process ab, M 2 kg working fluid depressurization process b2, M 1 kg working fluid boosting process 57, M 1 kg working fluid exothermic condensation Process 78, M 1 kg of working fluid depressurization process 81-a closed process of composition.
  • Reverse single working fluid steam combined cycle refers to the working fluid composed of M 1 kg and M 2 kg, which are carried out separately or jointly or partially in 14 processes-M 1 kg working fluid endothermic vaporization process 12, ( M 1 +M 2 ) kg working fluid endothermic process 23, (M 1 +M 2 -X) kg working fluid endothermic process 34, (M 1 +M 2 -X) kg working fluid boosting process 45, (M 1 +M 2 -X) Kilogram working fluid heat release process 56, X kilogram working fluid boost process 36, (M 1 +M 2 ) Kilogram working fluid heat release process 67, M 2 kg working fluid heat release process 78, M 2 kg working fluid depressurization process 8a, M 2 kg working fluid endothermic process ab, M 2 kg working fluid depressurization process b2, M 1 kg working fluid boosting process 79, M 1 kg working fluid exothermic condensation process 9c, M 1 kg of working fluid depressurization process c1-the closed process of composition.
  • Reverse single working fluid steam combined cycle refers to 13 processes consisting of M 1 kilogram and M 2 kilograms of working fluid, which are carried out separately or jointly-M 1 kilogram of working fluid endothermic vaporization process 12, (M 1 +M 2 ) Kilogram working fluid endothermic process 23, (M 1 +M 2 ) Kilogram working fluid boosting process 34, (M 1 +M 2 ) Kilogram working fluid exothermic process 45, (M 2 -M) Kilogram working fluid Heat release process 56, (M 2 -M) kg working fluid depressurization process 6t, M 2 kg working fluid depressurization process t2, (M 1 +M) kg working fluid boosting process 57, (M 1 +M) Kilogram working fluid exothermic condensation process 7r, M kilogram working fluid depressurization process rs, M kilogram working fluid endothermic vaporization process st, M 1 kilogram working fluid exothermic process r8, M 1 kilogram working fluid depressurization process 81——composition The closing process.
  • Reverse single working fluid steam combined cycle refers to the sixteen processes that are composed of M 1 kg and M 2 kg, respectively, together or in part-M 1 kg working fluid endothermic vaporization process 12, ( M 1 +M 2 ) kg working fluid endothermic process 23, (M 1 +M 2 -X) kg working fluid endothermic process 34, (M 1 +M 2 -X) kg working fluid boosting process 45, (M 1 +M 2 -X) Kilogram working fluid heat release process 56, X kilogram working fluid boosting process 36, (M 1 +M 2 ) Kilogram working fluid heat release process 67, (M 2 -M) Kilogram working fluid heat release Process 78, (M 2 -M) kg working fluid pressure reduction process 8t, M 2 kg working fluid pressure reduction process t2, (M 1 +M) kg working fluid pressure increase process 79, (M 1 +M) kg working fluid Exothermic condensation process 9r, M kg working fluid depressurization process rs, M kg working fluid endothermic vaporization process st, M 1 kg working
  • Figure 1/6 is an example diagram of the first principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • Fig. 2/6 is an example diagram of the second principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • Fig. 3/6 is an example diagram of the third principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • Fig. 4/6 is an example diagram of the fourth principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • Figure 5/6 is an example diagram of the fifth principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • Fig. 6/6 is an example diagram of the sixth principle flow chart of the reverse single working fluid steam combined cycle provided by the present invention.
  • the working medium is carried out——M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 ) kg working fluid pressure rising process 34, (M 1 +M 2 ) Kilogram working fluid exothermic cooling process 45, M 2 kg working fluid exothermic cooling process 56, M 2 kg working fluid depressurizing expansion process 62, M 1 kg working fluid pressure increasing process 57, M 1 kg Working fluid exothermic cooling, liquefaction and condensate cooling process 78, M 1 kg working fluid condensate pressure reduction process 81-a total of 9 processes.
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate; (M 1 +M 2 )
  • the heat absorption of the kilogram working fluid in the 23 process can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and the other part is satisfied by regenerative heat, or all of which is satisfied by regenerative heat.
  • Working medium M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 -X) kg working fluid endothermic heating process 34, (M 1 +M 2 -X) Kilogram working fluid boosting and heating process 45, (M 1 +M 2 -X) Kilogram working fluid exothermic and cooling process 56, X kg working fluid boosting and heating process 36, (M 1 + M 2 ) Kilogram working fluid exothermic cooling process 67, M 2 kg working fluid exothermic cooling process 78, M 2 kg working fluid depressurizing expansion process 82, M 1 kg working fluid pressure increasing process 79, M 1 kg working fluid Exothermic cooling, liquefaction and condensate cooling process 9c, M 1 kg of working fluid condensate pressure reduction process c1-a total of 12 processes.
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate;
  • M 1 +M 2 The heat absorption of the kilogram of working fluid for 23 processes can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by heat recovery;
  • M 1 +M 2 -X kilogram of working fluid is used for 34 processes
  • the endothermic heat can be used to obtain low-temperature heat load, or partly to obtain low-temperature heat load and partly to be satisfied by regenerative heat, or all to be satisfied by regenerative heat.
  • the C1 process of the M 1 kg of working fluid can be completed by a turbine or a throttle valve; the pressure-reducing expansion work is less than the pressure boosting work, and the insufficient part (net cycle net work) ) Provided from the outside to form a reverse single working substance steam combined cycle.
  • the working medium is carried out——M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 ) kg working fluid pressure rising process 34, (M 1 + M 2 ) Kilogram working fluid exothermic cooling process 45, M 2 kg working fluid exothermic cooling process 56, M 2 kg working fluid depressurization expansion process 6a, M 2 kg working fluid endothermic heating up ab, M 2 kg working fluid Mass depressurization and expansion process b2, M 1 kg of working fluid’s pressure increasing and heating process 57, M 1 kg of working fluid’s exothermic cooling, liquefaction and condensate cooling process 78, M 1 kg of working fluid’s condensate depressurizing process 81—— A total of 11 processes.
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate; (M 1 +M 2 )
  • the endothermic process of 23 kilograms of working fluid can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M 2 kg of working fluid is used for ab
  • the heat absorption of the process can be satisfied by reheating or by an external heat source.
  • M 1 kg of working fluid can be completed by a turbine or a throttle valve; the pressure-reducing expansion work is less than the pressure boosting work, and the insufficient part (circulation net work) is provided by the outside, forming a reverse Single working substance steam combined cycle.
  • Working medium M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 -X) kg working fluid endothermic heating process 34, (M 1 +M 2 -X) Kilogram working fluid boosting and heating process 45, (M 1 +M 2 -X) Kilogram working fluid exothermic and cooling process 56, X kg working fluid boosting and heating process 36, (M 1 + M 2 ) kg working fluid exothermic cooling process 67, M 2 kg working fluid exothermic cooling process 78, M 2 kg working fluid depressurizing expansion process 8a, M 2 kg working fluid endothermic heating up ab, M 2 kg working fluid decreasing Pressure expansion process b2, M 1 kg working fluid pressure increasing process 79, M 1 kg working fluid exothermic cooling, liquefaction and condensate cooling process 9c, M 1 kg working fluid condensate pressure reduction process c1-total 14 A process.
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate;
  • M 1 +M 2 The heat absorption of the 23 process in kilograms of working fluid can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M 1 +M 2- X The endothermic process of 34 kilograms of working fluid can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M 2 kg of working fluid is used for ab
  • the heat absorption of the process can be satisfied by reheating or by an external heat source.
  • the C1 process of the M 1 kg of working fluid can be completed by a turbine or a throttle valve; the pressure-reducing expansion work is less than the pressure boosting work, and the insufficient part (cycle Net work) is provided by the outside, forming a reverse single working substance steam combined cycle.
  • the working medium is carried out——M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 ) kg working fluid pressure rising process 34, (M 1 +M 2 ) Kilogram working fluid exothermic and cooling process 45, (M 2 -M) Kilogram working fluid exothermic and cooling process 56, (M 2 -M) Kilogram working fluid depressurization and expansion process 6t, M 2 kg working fluid drops Pressure expansion process t2, (M 1 +M) kg working fluid pressure rising process 57, (M 1 +M) kg working fluid exothermic cooling, liquefaction and condensate exothermic cooling process 7r, M kg working fluid pressure reduction process rs, M kg working fluid endothermic, vaporization and overheating process st, M 1 kg working fluid condensate exothermic cooling process r8, M 1 kg working fluid condensate depressurization process 81-a total of 13 processes.
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate; (M 1 +M 2 )
  • the heat absorption of the 23 process of kilogram working fluid can be used to obtain low temperature heat load, or part of it is used to obtain low temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M kg of working fluid is used for st process
  • the endothermic heat is generally satisfied by reheating.
  • Working medium M 1 kg working fluid endothermic vaporization process 12, (M 1 +M 2 ) kg working fluid endothermic heating process 23, (M 1 +M 2 -X) kg working fluid endothermic heating process 34, (M 1 +M 2 -X) Kilogram working fluid boosting and heating process 45, (M 1 +M 2 -X) Kilogram working fluid exothermic and cooling process 56, X kg working fluid boosting and heating process 36, (M 1 + M 2) kg refrigerant heat cooling process 67, (M 2 -M) kg refrigerant heat cooling process 78, (M 2 -M) kg refrigerant expansion process down 8t, M 2 kg refrigerant expansion buck Process t2, (M 1 +M) kg working fluid pressure increasing process 79, (M 1 +M) kg working fluid exothermic cooling, liquefaction and condensate exothermic cooling process 9r, M kg working fluid pressure reducing process rs, M kg refrigerant absorbs heat, vaporization and superheating process st,
  • M 1 kg of working fluid undergoes 12 processes to obtain low-temperature heat load, which is provided by the refrigerated medium or low-temperature heat source, and the superheated part may be satisfied by the reheating of the condensate;
  • M 1 +M 2 The heat absorption of the 23 process in kilograms of working fluid can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M 1 +M 2- X The endothermic process of 34 kilograms of working fluid can be used to obtain low-temperature heat load, or part of it is used to obtain low-temperature heat load and part is satisfied by regenerative heat, or all is satisfied by regenerative heat;
  • M kg of working fluid is subjected to st process The heat absorption can be satisfied by reheating.
  • a single working fluid is conducive to production and storage; reduces operating costs and improves the flexibility of cycle adjustment
  • the working fluid has a wide application range, can well adapt to the energy supply demand, and the matching between the working fluid and the working parameters is flexible.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

La présente invention concerne un cycle combiné de vapeur de milieu de travail unique inverse se rapportant aux domaines techniques de la thermodynamique, de la réfrigération et des pompes à chaleur. Le cycle combiné de vapeur de milieu de travail unique inverse se réfère à un processus fermé constitué de neuf processus réalisés respectivement ou conjointement sur un milieu de travail composé de M1 kg et M2 kg : un processus 12 de vaporisation endothermique du milieu de travail de M1 kg, un processus 23 endothermique du milieu de travail de (M1+M2) kg, un processus 34 de surpression du milieu de travail de (M1+M2) kg, un processus 45 exothermique du milieu de travail de (M1+M2) kg, un processus 56 exothermique du milieu de travail de M2 kg, un processus 62 de réduction de pression du milieu de travail de M1 kg, un processus 57 de surpression du milieu de travail de M1 kg, un processus 78 de condensation exothermique du milieu de travail de M1 kg, et un processus 81 de réduction de pression du milieu de travail de M1 kg.
PCT/CN2020/000212 2019-09-10 2020-09-07 Cycle combiné de vapeur de milieu de travail unique inverse WO2021047125A1 (fr)

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CN201910889523 2019-09-10
CN201910889523.9 2019-09-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
CN1847750A (zh) * 2005-02-28 2006-10-18 热分析股份有限责任公司 制冷装置
CN101688697A (zh) * 2007-04-24 2010-03-31 开利公司 具有双节能器回路的制冷剂蒸汽压缩系统
CN105004087A (zh) * 2014-04-16 2015-10-28 法雷奥热系统公司 制冷剂回路
WO2016117946A1 (fr) * 2015-01-23 2016-07-28 Lg Electronics Inc. Appareil à cycle de refroidissement pour réfrigérateur
CN107893685A (zh) * 2016-10-12 2018-04-10 李华玉 单工质蒸汽联合循环与联合循环蒸汽动力装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440510B (zh) * 2016-02-25 2020-05-29 李华玉 第二类热驱动压缩式热泵
CN108679880B (zh) * 2017-03-30 2021-07-27 李华玉 双工质联合循环压缩式热泵

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125863A (ja) * 1989-10-06 1991-05-29 Matsushita Electric Ind Co Ltd ２段圧縮冷凍サイクル装置
CN1847750A (zh) * 2005-02-28 2006-10-18 热分析股份有限责任公司 制冷装置
CN101688697A (zh) * 2007-04-24 2010-03-31 开利公司 具有双节能器回路的制冷剂蒸汽压缩系统
CN105004087A (zh) * 2014-04-16 2015-10-28 法雷奥热系统公司 制冷剂回路
WO2016117946A1 (fr) * 2015-01-23 2016-07-28 Lg Electronics Inc. Appareil à cycle de refroidissement pour réfrigérateur
CN107893685A (zh) * 2016-10-12 2018-04-10 李华玉 单工质蒸汽联合循环与联合循环蒸汽动力装置

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