WO2021253810A1 - Second-type single working medium combined cycle - Google Patents

Second-type single working medium combined cycle Download PDF

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Publication number
WO2021253810A1
WO2021253810A1 PCT/CN2021/000126 CN2021000126W WO2021253810A1 WO 2021253810 A1 WO2021253810 A1 WO 2021253810A1 CN 2021000126 W CN2021000126 W CN 2021000126W WO 2021253810 A1 WO2021253810 A1 WO 2021253810A1
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Prior art keywords
working fluid
exothermic
boosting
kilogram
endothermic
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PCT/CN2021/000126
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French (fr)
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 WO2021253810A1 publication Critical patent/WO2021253810A1/en

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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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another 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 field of thermodynamics and heating technology.
  • the present invention also takes into account the use of power driving or the power demand at the same time, and proposes to adopt a phase change process or a phase change process to achieve low-temperature heat release, and adopt a temperature change process or a temperature change process as The main realization of medium temperature heat absorption, and the use of variable temperature process to achieve high temperature heating of the second type of single working fluid combined cycle.
  • the main purpose of the present invention is to provide the second type of single working fluid combined cycle.
  • the specific content of the invention is described as follows:
  • the second type of single working fluid combined cycle refers to the nine processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working fluid boost process 12, M 1 kilogram of working fluid Endothermic vaporization process 23, M 2 kg working fluid boosting process 83, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, M 3 kg Working fluid depressurization process 67, M 3 kg working fluid exothermic process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; where M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 2 kg working fluid Mass boosting process 93, M 2 kg working fluid endothermic process 34, M 1 kg working fluid endothermic vaporization process 25, M 2 kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg Working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic and condensing process 91—composition closed process; where M 3 is M The sum of 1 and M 2.
  • the second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working fluid boost process 12, M 1 kilogram of working fluid Endothermic vaporization process 24, M 2 kg refrigerant boost process 93, M 2 kg refrigerant endothermic process 35, M 1 kg refrigerant boost process 45, M 3 kg refrigerant boost process 56, M 3 kg Working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic and condensing process 91—composition closed process; where M 3 is M The sum of 1 and M 2.
  • the second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic vaporization process 23, M 2 kg working fluid boosting process c3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, X kg Working fluid pressure reduction process 67, (M 3 -X) kg working fluid heat release process 68, (M 3 -X) kg working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid release Thermal process 9c, M 1 kg of working fluid exothermic condensation process c1-closed process of composition; where M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working medium boost process 12, M 1 kilogram Working fluid endothermic vaporization process 23, M 1 kg working fluid boosting process 34, M 1 kg working fluid exothermic process 45, M 1 kg working fluid depressurizing over 56, M 1 kg working fluid exothermic process 6d, M 2 kg refrigerant bootstrapping e7, M 2 kg refrigerant endothermic process 78, M 2 kg bootstrapping working medium 89, M 2 kg refrigerant exothermic process 9c, M 2 kg working fluid depressurisation cd, M 3 Kilogram working fluid exothermic process de, M 1 kilogram working fluid exothermic condensation process e1——composition closed process; among them, M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kg working fluid endothermic vaporization process b3, M 2 kg working fluid boosting process 8a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid Mass boosting process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, M 3 kg working fluid depressurizing process 67, M 3 kg working fluid Mass exothermic process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; among them, M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 2 -M) kg working fluid Endothermic process 34, (M 1 +M) kilogram working fluid endothermic vaporization process b5, (M 2 -M) kilogram working fluid boosting process 45, M 3 kilogram working fluid boosting process 56, M 3 kilogram working fluid releasing Thermal process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91—composition closed process; where M 3 is M 1 and M The sum of 2.
  • the second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 1 +M) kg working fluid Endothermic vaporization process b4, (M 2 -M) kg working fluid endothermic process 35, (M 1 +M) kg working fluid boost process 45, M 3 kg working fluid boost process 56, M 3 kg working fluid release Thermal process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91—composition closed process; where M 3 is M 1 and M The sum of 2.
  • the second type of single working fluid combined cycle refers to the fifteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kg working fluid endothermic vaporization process b3, M 2 kg working fluid boosting process ca, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid Mass pressure increase process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid pressure increase process 45, M 3 kg working fluid heat release process 56, X kg working fluid pressure reduction process 67, (M 3 -X ) Kilogram working fluid heat release process 68, (M 3 -X) Kilogram working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid heat release process 9c, M 1 kg working fluid heat release and condensation Process c1-the closed process of composition; where M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to the sixteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kilogram working fluid endothermic vaporization process b3, (M 1 +M) kilogram working fluid boosting process 34, (M 1 +M) kilogram working fluid exothermic process 45, (M 1 +M) kg of working fluid has been depressurized by 56, (M 1 +M) kg of working fluid exothermic process 6d, M 2 kg of working fluid pressure increase process ea, M kg of working fluid exothermic condensation process ab, (M 2 -M) Kilogram working fluid boost process a7, (M 2 -M) Kilogram working fluid endothermic process 78, (M 2 -M) Kilogram working fluid boost process 89, (M 2 -M) Kilogram working fluid release Thermal process 9c, (M 2 -M) kg working fluid depressurization process cd, M 3 kg working fluid exother
  • Figure 1/10 is an example diagram of the first principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 2/10 is an example diagram of the second principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 3/10 is an example diagram of the third principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 4/10 is an example diagram of the fourth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 5/10 is an example diagram of the fifth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 6/10 is an example diagram of the sixth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 7/10 is an example diagram of the seventh principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 8/10 is an example diagram of the eighth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 9/10 is an example diagram of the ninth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • Fig. 10/10 is an example diagram of the tenth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
  • M 3 is the sum of M 1 and M 2 ; the following is combined with the accompanying drawings And examples describe the present invention in detail.
  • M 1 kilogram working medium condensed liquid refrigerant boosting process 12 M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 23, M 2 kilogram booster working fluid heating process 83, M 3 kilogram refrigerant absorbs heat Heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, M 3 kg working fluid depressurizing expansion process 67, M 3 kg working fluid exothermic cooling process 78, M 1 The exothermic condensation process of kilogram working fluid 81-a total of 9 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the pressure increase process 45 of the M 3 kg working fluid is generally completed by a compressor;
  • the pressure reduction expansion process 67 of the M 3 kg working fluid is generally completed by an expander;
  • M 1 kilogram working medium condensed liquid refrigerant boosting process 12 M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 25, M 2 kilogram booster working fluid heating process 93, M 2 kilogram refrigerant absorbs heat Heating process 34, M 2 kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurizing expansion process 78, M 3 The exothermic cooling process of kilogram working fluid 89, the exothermic condensation process of M 1 kilogram working fluid 91-a total of 10 processes.
  • 2Exothermic process-M 3 kg of working fluid carries out the heat release of 67 process, and external provision meets the corresponding heat demand.
  • the low temperature section of the heat can be used for M 1 kg of working fluid for 25 process and M 2 kg of working fluid for 34
  • the high temperature section of the process absorbs heat;
  • M 3 kg of working fluid carries out the heat release of the 89 process, which can release heat to the cooling medium, or part or all of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low temperature heat source (environment) ;
  • M 1 kilogram of working fluid carries out the heat release of the 91 process, which is generally released to the low-temperature heat source (environment).
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 93 and 45 , And the boosting process 56 of the M 3 kg working fluid is generally completed by the compressor; the depressurizing expansion process 78 of the M 3 kg working fluid is generally completed by the expander; Or when the buck expansion work is greater than the boost power consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
  • M 1 kilogram working medium condensed liquid refrigerant boosting process 12 M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 24, M 2 kilogram booster working fluid heating process 93, M 2 kilogram refrigerant absorbs heat Heating process 35, M 1 kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurizing expansion process 78, M 3 The exothermic cooling process of kilogram working fluid 89, the exothermic condensation process of M 1 kilogram working fluid 91-a total of 10 processes.
  • the low temperature section of the heat may be used for M 1 kg of working fluid for 24 processes and M 2 kg of working fluid for 35
  • the high temperature section of the process absorbs heat;
  • M, kilograms of working fluid carry out the heat release of the 89 process, which can release heat to the cooling medium, or part or all of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low temperature heat source (environment) ;
  • M 1 kilogram of working fluid carries out the heat release of the 91 process, which is generally released to the low-temperature heat source (environment).
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 1 kg of working fluid 45, M 2 kg of working fluid boosting process 93, and the working medium M 3 kilogram boosting process 56 is generally accomplished by the compressor;
  • M 3 kilogram down the expansion process of the working fluid 78 is generally accomplished by the expander;
  • buck Expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, mechanical energy is input from the outside at the same time, forming the second type of simplex Quality combined cycle.
  • Working medium M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid endothermic heating, vaporization and overheating process 23, M 2 kg of working fluid boosting and heating process c3, M 3 kg of working fluid endothermic Heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, X kg working fluid depressurizing expansion process 67, (M 3 -X) kg working fluid exothermic cooling process 68 , (M 3 -X) kg working fluid depressurization expansion process 89, X kg working fluid exothermic cooling process 79, M 3 kg working fluid exothermic cooling process 9c, M 1 kg working fluid exothermic condensation process c1——total 12 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid c3 and
  • the pressure increase process of M 3 kg working fluid 45 is generally completed by a compressor;
  • the pressure reduction process 67 of X kg working fluid and the pressure reduction process 89 of (M 3 -X) kg working fluid are generally completed by an expander;
  • the buck expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, the mechanical energy is input from the outside at the same time, forming the second category Single working fluid combined cycle.
  • Working medium M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid endothermic heating, vaporization and overheating process 23, M 1 kg of working fluid boosting and heating process 34, M 1 kg of working fluid exothermic Cooling process 45, M 1 kg working fluid depressurizing expansion process 56, M 1 kg working fluid exothermic cooling process 6d, M 2 kg working fluid pressure rising process e7, M 2 kg working fluid endothermic heating process 78, M 2 Pressure increasing process of kg working fluid 89, M 2 kg working fluid exothermic cooling process 9c, M 2 kg working fluid depressurization expansion process cd, M 3 kg working fluid exothermic cooling process de, M 1 kg working fluid exothermic and condensation Process e1-a total of 13 processes.
  • the low temperature section of the heat may be used for the high temperature section of the 78 process to absorb heat (regeneration); M 1 kg of working fluid is used for the 6d process of heat release and M 3 kg of working fluid
  • the heat released during the de process can be released to the cooling medium, or part or most of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment); M 1 kg of working fluid can release the heat from the e1 process , Generally released to a low-temperature heat source.
  • 3Energy conversion process -the boosting process 12 of M 1 kg of working fluid is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid e7 and 89 and M 1 kilogram of working fluid boosting process 34 is generally accomplished by the compressor;
  • M 1 kilogram depressurisation of the working fluid 56, and M 2 kilogram CD depressurisation of the working fluid is generally accomplished by the expander;
  • the buck expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, the mechanical energy is input from the outside at the same time, forming the second category Single working fluid combined cycle.
  • Working medium M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of superheated steam mixing endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and overheating Process b3, M 2 kg of working fluid pressure rising process 8a, M kg of working fluid and M 1 kg of working fluid mixed exothermic condensation process ab, (M 2 -M) kg of working fluid pressure rising process a3, M 3 kg of working fluid Endothermic heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, M 3 kg working fluid depressurizing expansion process 67, M 3 kg working fluid exothermic cooling process 78 , M 1 kg of working fluid exothermic condensation process 81-a total of 12 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid 8a and ( M 2 -M) The pressure increase process a3 of kilogram working fluid and the pressure increase process 45 of M 3 kilogram working fluid are generally completed by a compressor;
  • the depressurization and expansion process 67 of M 3 kilogram working fluid is generally performed by an expander Complete;
  • buck expansion work is used for boost power consumption, or when the buck expansion work is greater than the boost work consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the first The second type of single working fluid combined cycle.
  • the working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b5, M 2 kg working fluid pressure rising process 9a, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, (M 2 -M) Kilogram working fluid endothermic heating process 34, (M 2 -M) Kilogram working fluid pressure rising and heating process 45, M 3 kg working fluid pressure rising and heating process 56, M 3 kg working fluid exothermic cooling process 67, M 3 kg working fluid depressurization expansion process 78, M 3 kg working fluid exothermic cooling process 89, M 1 kg working fluid exothermic condensation process 91-a total of 13 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid 9a, ( M 2 -M) kg refrigerants bootstrapping a3 and 45, and the working medium M 3 kg boosting process 56 is generally accomplished by the compressor;
  • M 3 kg of working fluid down the expansion process 78 typically made of expanded
  • the working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b4, M 2 kg working fluid pressure rising process 9a, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, (M 2 -M) Kg working fluid endothermic heating process 35, (M 1 +M) Kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurization expansion process 78, M 3 kg working fluid exothermic cooling process 89, M 1 kg working fluid exothermic condensation process 91-a total of 13 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid 9a, ( M 2 -M) the pressure increase process a3 of kilogram working fluid, the pressure increase process 45 of (M 1 +M) kilogram working fluid, and the pressure increase process 56 of M 3 kilogram working fluid which are generally completed by a compressor;
  • M 3 The pressure-reducing expansion process of kilogram working fluid 78 is generally completed by an expander;
  • the pressure-reducing expansion work is used for boosting power consumption, or when the pressure-reducing expansion work is greater than the boosting power consumption, the mechanical energy is output at the same time, or the pressure-reducing expansion work
  • the work is less than the boost power consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
  • the working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b3, M 2 kg working fluid pressure rising process ca, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, M 3 Kilogram working fluid endothermic heating process 34, M 3 kilogram working fluid pressure increasing process 45, M 3 kilogram working fluid exothermic cooling process 56, X kilogram working fluid depressurizing expansion process 67, (M 3 -X) kilogram working fluid Exothermic cooling process 68, (M 3 -X) kg working fluid depressurization expansion process 89, X kg working fluid exothermic cooling process 79, M 3 kg working fluid exothermic cooling process 9c, M 1 kg working fluid exothermic condensation Process c1-a total of 15 processes.
  • 3Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid ca and ( M 2 -M) the pressure increase process a3 of kilograms of working fluid, and the pressure increase process of M 3 kilograms of working fluid 45, are generally completed by compressors;
  • the depressurization process of the working fluid 89 is generally completed by the expander;
  • the depressurization expansion work is used for boosting power consumption, or when the depressurizing expansion work is greater than the boosting work consumption, the mechanical energy is output at the same time, or the depressurizing expansion work is less than
  • the working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b3, (M 1 +M) kg working fluid boosting and heating process 34, (M 1 +M) kg working fluid exothermic and cooling process 45, (M 1 +M) kg working fluid depressurization and expansion process 56, ( M 1 +M) kg of working fluid exothermic cooling process 6d, M 2 kg of working fluid boosting and heating process ea, M kg of working fluid and M 1 kg of working fluid mixed exothermic condensation process ab, (M 2 -M) kg Working fluid pressure increasing process a7, (M 2 -M) kilogram working fluid endothermic heating process 78, (M 2 -M) kilogram working fluid pressure increasing process 89, (M 2 -M) kilogram working fluid exothermic and cooling Process 9c, (M 2 -M) kg working fluid depress
  • the low temperature section of the heat can be used for the high temperature section of the 23 process to absorb heat (regeneration);
  • the heat release of the 6d process and the heat release of the M 3 kg working fluid for the de process can be released to the cooling medium, or part or most of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment) ;
  • M 1 kg of working fluid carries out the exothermic heat of the e1 process, which is generally released to the low-temperature heat source.
  • 3Energy conversion process -the boosting process 12 of M 1 kg of working fluid is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally;
  • the boosting process of M 2 kg of working fluid ea, ( M 2 -M) the pressure increase process a7 of kilogram working fluid, the pressure increase process of (M 1 +M) kilogram working fluid 34, and the pressure increase process 89 of (M 2 -M) kilogram working fluid generally come from the compressor Complete;
  • (M 1 +M) the depressurization process of kilograms of working fluid 56 and (M 2 -M) the depressurization process of (M 2 -M) kilograms of working fluid cd are generally completed by an expander; depressurization expansion work is used for pressure boosting work , Or when the buck expansion work is greater than the boost power consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming
  • Thermal energy (temperature difference) drive to increase the temperature of thermal energy, or you can choose to provide power to the outside at the same time.
  • the phase change process or the phase change process mainly realizes low-temperature heat release, which is beneficial to reduce the heat transfer temperature difference in the low-temperature heat load release link and improve the cycle performance index.
  • the temperature change process or the temperature change process mainly realizes the middle temperature heat absorption, which is beneficial to reduce the heat transfer temperature difference in the middle temperature heat load acquisition link and improve the cycle performance index.
  • Variable temperature heat release is beneficial to reduce the heat transfer temperature difference in the heating link and realize the rationalization of the cycle performance index.
  • a single working fluid is conducive to production and storage; reduces operating costs and improves the flexibility of cycle adjustment
  • a wide range of working fluid parameters can achieve high-efficiency and high-temperature heating; it can well adapt to energy supply requirements, and the matching between working fluid and working parameters is flexible.
  • thermodynamic cycle range for realizing the utilization of the temperature difference is expanded, which is beneficial to better realize the high-efficiency heat utilization of the medium-temperature heat source and the variable-medium-temperature heat source.

Abstract

A second-type single working medium combined cycle, which belongs to the technical fields of thermodynamics, refrigeration and heat pumps. The second-type single working medium combined cycle refers to a closed process composed of nine processes carried out separately or jointly with a working medium composed of an M1 kg and M2 kg of working medium, i.e., a pressure increasing process of the M1 kg working medium 12, an endothermic vaporization process of the M1 kg working medium 23, a pressure increasing process of the M2 kg working medium 83, an endothermic process of an M3 kg working medium 34, a pressure increasing process of the M3 kg working medium 45, an exothermic process of the M3 kg working medium 56, a pressure reduction process of the M3 kg working medium 67, an exothermic process of the M3 kg working medium 78, and an exothermic condensation process of the M1 kg working medium 81, wherein M3 is the sum of M1 and M2.

Description

第二类单工质联合循环The second type of single working fluid combined cycle 技术领域：Technical field:
本发明属于热力学与制热技术领域。The invention belongs to the field of thermodynamics and heating technology.
背景技术：Background technique:
冷、热和动力需求，为人类生活与生产当中所常见；人们经常需要利用高温热能来实现制冷、供热或转化为动力。在实现上述目的之过程中，将面临多方面的条件限制，包括能源的类型、品位和数量，用户需求的类型、品位和数量，环境温度，工作介质的类型，设备的流程、结构和制造成本等。Cold, heat, and power requirements are common in human life and production; people often need to use high-temperature heat to achieve cooling, heating, or conversion into power. In the process of achieving the above goals, it will face many constraints, including the type, grade and quantity of energy, the type, grade and quantity of user requirements, the ambient temperature, the type of working medium, the process, structure and manufacturing cost of the equipment Wait.
在热科学基础理论体系中，热力循环的创建及发展应用将对能源的科学生产和科学利用起到重大作用，将积极推动社会进步和生产力发展。本发明针对变温型中温热资源和高温热需求，也考虑到同时利用动力驱动或兼顾动力需求，提出了采用相变过程或相变过程为主实现低温放热，采用变温过程或变温过程为主实现中温吸热，以及采用变温过程实现高温供热的第二类单工质联合循环。In the basic theoretical system of thermal science, the creation, development and application of thermal cycles will play a major role in the scientific production and utilization of energy, and will actively promote social progress and productivity development. In view of the temperature-variable medium-temperature heat resource and high-temperature heat demand, the present invention also takes into account the use of power driving or the power demand at the same time, and proposes to adopt a phase change process or a phase change process to achieve low-temperature heat release, and adopt a temperature change process or a temperature change process as The main realization of medium temperature heat absorption, and the use of variable temperature process to achieve high temperature heating of the second type of single working fluid combined cycle.
发明内容：Summary of the invention:
本发明主要目的是要提供第二类单工质联合循环，具体发明内容分项阐述如下：The main purpose of the present invention is to provide the second type of single working fluid combined cycle. The specific content of the invention is described as follows:
1.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的九个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 2千克工质升压过程83，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，M 3千克工质降压过程67，M 3千克工质放热过程78，M 1千克工质放热冷凝过程81——组成的闭合过程；其中，M 3为M 1与M 2之和。 1. The second type of single working fluid combined cycle refers to the nine processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working fluid boost process 12, M 1 kilogram of working fluid Endothermic vaporization process 23, M 2 kg working fluid boosting process 83, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, M 3 kg Working fluid depressurization process 67, M 3 kg working fluid exothermic process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; where M 3 is the sum of M 1 and M 2.
2.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十个过程——M 1千克工质升压过程12，M 2千克工质升压过程93，M 2千克工质吸热过程34，M 1千克工质吸热汽化过程25，M 2千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 2. The second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 2 kg working fluid Mass boosting process 93, M 2 kg working fluid endothermic process 34, M 1 kg working fluid endothermic vaporization process 25, M 2 kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg Working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic and condensing process 91—composition closed process; where M 3 is M The sum of 1 and M 2.
3.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程24，M 2千克工质升压过程93，M 2千克工质吸热过程35，M 1千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 3. The second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working fluid boost process 12, M 1 kilogram of working fluid Endothermic vaporization process 24, M 2 kg refrigerant boost process 93, M 2 kg refrigerant endothermic process 35, M 1 kg refrigerant boost process 45, M 3 kg refrigerant boost process 56, M 3 kg Working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic and condensing process 91—composition closed process; where M 3 is M The sum of 1 and M 2.
4.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十二个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 2千克工质升压过程c3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，X千克工质降压过程67，(M 3-X)千克工质放热过程68，(M 3-X)千克工质降压过程89，X千克工质放热过程79，M 3千克工质放热过程9c，M 1千克工质放热冷凝过程c1—— 组成的闭合过程；其中，M 3为M 1与M 2之和。 4. The second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic vaporization process 23, M 2 kg working fluid boosting process c3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, X kg Working fluid pressure reduction process 67, (M 3 -X) kg working fluid heat release process 68, (M 3 -X) kg working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid release Thermal process 9c, M 1 kg of working fluid exothermic condensation process c1-closed process of composition; where M 3 is the sum of M 1 and M 2.
5.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 1千克工质升压过程34，M 1千克工质放热过程45，M 1千克工质降压过56，M 1千克工质放热过程6d，M 2千克工质升压过程e7，M 2千克工质吸热过程78，M 2千克工质升压过程89，M 2千克工质放热过程9c，M 2千克工质降压过程cd，M 3千克工质放热过程de，M 1千克工质放热冷凝过程e1——组成的闭合过程；其中，M 3为M 1与M 2之和。 5. The second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kilogram and M 2 kilograms, respectively or jointly-M 1 kilogram of working medium boost process 12, M 1 kilogram Working fluid endothermic vaporization process 23, M 1 kg working fluid boosting process 34, M 1 kg working fluid exothermic process 45, M 1 kg working fluid depressurizing over 56, M 1 kg working fluid exothermic process 6d, M 2 kg refrigerant bootstrapping e7, M 2 kg refrigerant endothermic process 78, M 2 kg bootstrapping working medium 89, M 2 kg refrigerant exothermic process 9c, M 2 kg working fluid depressurisation cd, M 3 Kilogram working fluid exothermic process de, M 1 kilogram working fluid exothermic condensation process e1——composition closed process; among them, M 3 is the sum of M 1 and M 2.
6.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十二个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克工质吸热汽化过程b3，M 2千克工质升压过程8a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，M 3千克工质降压过程67，M 3千克工质放热过程78，M 1千克工质放热冷凝过程81——组成的闭合过程；其中，M 3为M 1与M 2之和。 6. The second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kg working fluid endothermic vaporization process b3, M 2 kg working fluid boosting process 8a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid Mass boosting process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, M 3 kg working fluid depressurizing process 67, M 3 kg working fluid Mass exothermic process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; among them, M 3 is the sum of M 1 and M 2.
7.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，M 2千克工质升压过程9a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，(M 2-M)千克工质吸热过程34，(M 1+M)千克工质吸热汽化过程b5，(M 2-M)千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 7. The second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 2 -M) kg working fluid Endothermic process 34, (M 1 +M) kilogram working fluid endothermic vaporization process b5, (M 2 -M) kilogram working fluid boosting process 45, M 3 kilogram working fluid boosting process 56, M 3 kilogram working fluid releasing Thermal process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91—composition closed process; where M 3 is M 1 and M The sum of 2.
8.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，M 2千克工质升压过程9a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，(M 1+M)千克工质吸热汽化过程b4，(M 2-M)千克工质吸热过程35，(M 1+M)千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 8. The second type of single working fluid combined cycle refers to the thirteen processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 1 +M) kg working fluid Endothermic vaporization process b4, (M 2 -M) kg working fluid endothermic process 35, (M 1 +M) kg working fluid boost process 45, M 3 kg working fluid boost process 56, M 3 kg working fluid release Thermal process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91—composition closed process; where M 3 is M 1 and M The sum of 2.
9.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十五个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克工质吸热汽化过程b3，M 2千克工质升压过程ca，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，X千克工质降压过程67，(M 3-X)千克工质放热过程68，(M 3-X)千克工质降压过程89，X千克工质放热过程79，M 3千克工质放热过程9c，M 1千克工质放热冷凝过程c1——组成的闭合过程；其中，M 3为M 1与M 2之和。 9. The second type of single working fluid combined cycle refers to the fifteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kg working fluid endothermic vaporization process b3, M 2 kg working fluid boosting process ca, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid Mass pressure increase process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid pressure increase process 45, M 3 kg working fluid heat release process 56, X kg working fluid pressure reduction process 67, (M 3 -X ) Kilogram working fluid heat release process 68, (M 3 -X) Kilogram working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid heat release process 9c, M 1 kg working fluid heat release and condensation Process c1-the closed process of composition; where M 3 is the sum of M 1 and M 2.
10.第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十六个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克 工质吸热汽化过程b3，(M 1+M)千克工质升压过程34，(M 1+M)千克工质放热过程45，(M 1+M)千克工质降压过56，(M 1+M)千克工质放热过程6d，M 2千克工质升压过程ea，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a7，(M 2-M)千克工质吸热过程78，(M 2-M)千克工质升压过程89，(M 2-M)千克工质放热过程9c，(M 2-M)千克工质降压过程cd，M 3千克工质放热过程de，M 1千克工质放热冷凝过程e1——组成的闭合过程；其中，M 3为M 1与M 2之和。 10. The second type of single working fluid combined cycle refers to the sixteen processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kilogram working fluid endothermic vaporization process b3, (M 1 +M) kilogram working fluid boosting process 34, (M 1 +M) kilogram working fluid exothermic process 45, (M 1 +M) kg of working fluid has been depressurized by 56, (M 1 +M) kg of working fluid exothermic process 6d, M 2 kg of working fluid pressure increase process ea, M kg of working fluid exothermic condensation process ab, (M 2 -M) Kilogram working fluid boost process a7, (M 2 -M) Kilogram working fluid endothermic process 78, (M 2 -M) Kilogram working fluid boost process 89, (M 2 -M) Kilogram working fluid release Thermal process 9c, (M 2 -M) kg working fluid depressurization process cd, M 3 kg working fluid exothermic process de, M 1 kg working fluid exothermic condensation process e1——composition closed process; where M 3 is The sum of M 1 and M 2.
附图说明：Description of the drawings:
图1/10是依据本发明所提供的第二类单工质联合循环第1种原则性流程示例图。Figure 1/10 is an example diagram of the first principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图2/10是依据本发明所提供的第二类单工质联合循环第2种原则性流程示例图。Fig. 2/10 is an example diagram of the second principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图3/10是依据本发明所提供的第二类单工质联合循环第3种原则性流程示例图。Fig. 3/10 is an example diagram of the third principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图4/10是依据本发明所提供的第二类单工质联合循环第4种原则性流程示例图。Fig. 4/10 is an example diagram of the fourth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图5/10是依据本发明所提供的第二类单工质联合循环第5种原则性流程示例图。Fig. 5/10 is an example diagram of the fifth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图6/10是依据本发明所提供的第二类单工质联合循环第6种原则性流程示例图。Fig. 6/10 is an example diagram of the sixth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图7/10是依据本发明所提供的第二类单工质联合循环第7种原则性流程示例图。Fig. 7/10 is an example diagram of the seventh principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图8/10是依据本发明所提供的第二类单工质联合循环第8种原则性流程示例图。Fig. 8/10 is an example diagram of the eighth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图9/10是依据本发明所提供的第二类单工质联合循环第9种原则性流程示例图。Fig. 9/10 is an example diagram of the ninth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
图10/10是依据本发明所提供的第二类单工质联合循环第10种原则性流程示例图。Fig. 10/10 is an example diagram of the tenth principle flow chart of the second type of single working fluid combined cycle provided by the present invention.
具体实施方式：detailed description:
首先要说明的是，在结构和流程的表述上，非必要情况下不重复进行，对显而易见的流程不作表述；下述各示例中，M 3为M 1与M 2之和；下面结合附图和实例详细描述本发明。 The first thing to explain is that in the description of the structure and process, it is not repeated unless necessary, and the obvious process is not described; in the following examples, M 3 is the sum of M 1 and M 2 ; the following is combined with the accompanying drawings And examples describe the present invention in detail.
图1/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Figure 1/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质吸热升温、汽化和过热过程23，M 2千克工质升压升温过程83，M 3千克工质吸热升温过程34，M 3千克工质升压升温过程45，M 3千克工质放热降温过程56，M 3千克工质降压膨胀过程67，M 3千克工质放热降温过程78，M 1千克工质放热冷凝过程81——共9个过程。 --M 1 kilogram working medium condensed liquid refrigerant boosting process 12, M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 23, M 2 kilogram booster working fluid heating process 83, M 3 kilogram refrigerant absorbs heat Heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, M 3 kg working fluid depressurizing expansion process 67, M 3 kg working fluid exothermic cooling process 78, M 1 The exothermic condensation process of kilogram working fluid 81-a total of 9 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行23过程和M 3千克工质进行34过程，高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行78过程的放热(回热)来提供，或由二者共同来提供；其中，M 3千克工质进行34过程高温段的吸热，还可由其放热56过程的低温段来提供。 ① Endothermic process-M 1 kg of working fluid carries out 23 processes and M 3 kilograms of working fluids carries out 34 processes. The heat absorption in the high temperature section is generally provided by an external heat source, and the heat absorption in the low temperature section is provided by an external heat source or M 3 kilograms of work. The heat release (recovery) of the 78 process is provided, or both are provided together; among them, the heat absorption of the high temperature section of the 34 process by M 3 kilograms of working fluid can also be provided by the low temperature section of the heat release 56 process .
②放热过程——M 3千克工质进行56过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于34过程高温段吸热(回热)；M 3千克工质进行78过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行81过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kg of working fluid carries out the heat release of the 56 process, and externally provides to meet the corresponding heat demand, of which the low temperature section of the heat can be used for the high temperature section of the 34 process to absorb heat (regeneration); M 3 kg of working fluid The heat released in the 78 process can be released to the cooling medium, or part or all of it can be used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment); M 1 kg of working fluid can release the heat in the 81 process , Generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程83，以及M 3千克工质的升压过程45，一般由压缩机来完成；M 3千克工质的降压膨胀过程67，一般由膨胀机来完成；降 压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 83, and The pressure increase process 45 of the M 3 kg working fluid is generally completed by a compressor; the pressure reduction expansion process 67 of the M 3 kg working fluid is generally completed by an expander; When the pressure expansion work is greater than the boost power consumption, mechanical energy is output at the same time, or when the pressure expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the second type of single-working-substance combined cycle.
图2/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Fig. 2/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质吸热升温、汽化和过热过程25，M 2千克工质升压升温过程93，M 2千克工质吸热升温过程34，M 2千克工质升压升温过程45，M 3千克工质升压升温过程56，M 3千克工质放热降温过程67，M 3千克工质降压膨胀过程78，M 3千克工质放热降温过程89，M 1千克工质放热冷凝过程91——共10个过程。 --M 1 kilogram working medium condensed liquid refrigerant boosting process 12, M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 25, M 2 kilogram booster working fluid heating process 93, M 2 kilogram refrigerant absorbs heat Heating process 34, M 2 kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurizing expansion process 78, M 3 The exothermic cooling process of kilogram working fluid 89, the exothermic condensation process of M 1 kilogram working fluid 91-a total of 10 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行25过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的放热(回热)来提供，或由二者共同来提供；M 2千克工质进行34过程高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的高温段放热(回热)来提供，或由二者共同来提供；其中，M 1千克工质进行25过程和M 2千克工质进行34过程的高温段吸热，还可由M 3千克工质放热67过程的低温段来提供。 ① Endothermic process-M 1 kg of working fluid is used for 25 process, the heat absorption of its high temperature section is generally provided by an external heat source, and the heat absorption of low temperature section is performed by an external heat source or M 3 kg of working fluid is used for 89 process of heat release ( Heat recovery) or both; M 2 kg of working fluid for 34 process heat absorption in the high temperature section is generally provided by an external heat source, and heat absorption in the low temperature section is provided by an external heat source or M 3 kg of working fluid The high-temperature section of the 89 process is provided by the exothermic heat (regeneration), or both are provided together; among them, the high-temperature section of the M 1 kg of working fluid for the 25 process and the M 2 kg of the working fluid for the 34 process absorbs heat, which can also be provided by M 3 kilograms of working fluid is provided in the low temperature section of the 67 process.
②放热过程——M 3千克工质进行67过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于M 1千克工质进行25过程和M 2千克工质进行34过程的高温段吸热；M 3千克工质进行89过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行91过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kg of working fluid carries out the heat release of 67 process, and external provision meets the corresponding heat demand. The low temperature section of the heat can be used for M 1 kg of working fluid for 25 process and M 2 kg of working fluid for 34 The high temperature section of the process absorbs heat; M 3 kg of working fluid carries out the heat release of the 89 process, which can release heat to the cooling medium, or part or all of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low temperature heat source (environment) ; M 1 kilogram of working fluid carries out the heat release of the 91 process, which is generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程93和45，以及M 3千克工质的升压过程56，一般由压缩机来完成；M 3千克工质的降压膨胀过程78，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 93 and 45 , And the boosting process 56 of the M 3 kg working fluid is generally completed by the compressor; the depressurizing expansion process 78 of the M 3 kg working fluid is generally completed by the expander; Or when the buck expansion work is greater than the boost power consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
图3/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The example of the second type of single working fluid combined cycle in the T-s diagram shown in Figure 3/10 is carried out as follows:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质吸热升温、汽化和过热过程24，M 2千克工质升压升温过程93，M 2千克工质吸热升温过程35，M 1千克工质升压升温过程45，M 3千克工质升压升温过程56，M 3千克工质放热降温过程67，M 3千克工质降压膨胀过程78，M 3千克工质放热降温过程89，M 1千克工质放热冷凝过程91——共10个过程。 --M 1 kilogram working medium condensed liquid refrigerant boosting process 12, M 1 kilogram refrigerant absorbs heat heating, vaporization and superheating process 24, M 2 kilogram booster working fluid heating process 93, M 2 kilogram refrigerant absorbs heat Heating process 35, M 1 kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurizing expansion process 78, M 3 The exothermic cooling process of kilogram working fluid 89, the exothermic condensation process of M 1 kilogram working fluid 91-a total of 10 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行24过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的放热(回热)来提供，或由二者共同来提供；M 2千克工质进行35过程的吸热一般由外部热源来提供，部分低温段吸热或由M 3千克工质进行89过程的放热(回热)来提供；其中，M 1千克工质进行24过程和M 2 千克工质进行35过程的高温段吸热，还可由M 3千克工质放热67过程的低温段来提供。 ① Endothermic process-M 1 kg of working fluid is used for 24 processes, and the heat absorption of the high temperature section is generally provided by an external heat source, and the heat absorption of the low temperature section is performed by an external heat source or M 3 kg of working fluid for 89 process ( Heat recovery) or both; the heat absorption of M 2 kg working fluid for 35 process is generally provided by an external heat source, and part of the low temperature section absorbs heat or M 3 kg of working fluid performs the heat release of 89 process (Regeneration) to provide; wherein, M 1 kg of working fluid for 24 processes and M 2 kg of working fluid for 35 processes absorb heat, and it can also be provided by the low temperature section of M 3 kg of working fluid for 67 processes.
②放热过程——M 3千克工质进行67过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于M 1千克工质进行24过程和M 2千克工质进行35过程的高温段吸热；M，千克工质进行89过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行91过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kg of working fluid carries out the heat release of 67 process, and external provision meets the corresponding heat demand. The low temperature section of the heat may be used for M 1 kg of working fluid for 24 processes and M 2 kg of working fluid for 35 The high temperature section of the process absorbs heat; M, kilograms of working fluid carry out the heat release of the 89 process, which can release heat to the cooling medium, or part or all of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low temperature heat source (environment) ; M 1 kilogram of working fluid carries out the heat release of the 91 process, which is generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 1千克工质的升压过程45，M 2千克工质的升压过程93，以及M 3千克工质的升压过程56，一般由压缩机来完成；M 3千克工质的降压膨胀过程78，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 1 kg of working fluid 45, M 2 kg of working fluid boosting process 93, and the working medium M 3 kilogram boosting process 56, is generally accomplished by the compressor; M 3 kilogram down the expansion process of the working fluid 78, is generally accomplished by the expander; buck Expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, mechanical energy is input from the outside at the same time, forming the second type of simplex Quality combined cycle.
图4/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Fig. 4/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质吸热升温、汽化和过热过程23，M 2千克工质升压升温过程c3，M 3千克工质吸热升温过程34，M 3千克工质升压升温过程45，M 3千克工质放热降温过程56，X千克工质降压膨胀过程67，(M 3-X)千克工质放热降温过程68，(M 3-X)千克工质降压膨胀过程89，X千克工质放热降温过程79，M 3千克工质放热降温过程9c，M 1千克工质放热冷凝过程c1——共12个过程。 Working medium: M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid endothermic heating, vaporization and overheating process 23, M 2 kg of working fluid boosting and heating process c3, M 3 kg of working fluid endothermic Heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, X kg working fluid depressurizing expansion process 67, (M 3 -X) kg working fluid exothermic cooling process 68 , (M 3 -X) kg working fluid depressurization expansion process 89, X kg working fluid exothermic cooling process 79, M 3 kg working fluid exothermic cooling process 9c, M 1 kg working fluid exothermic condensation process c1——total 12 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行23过程和M 3千克工质进行34过程，高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由X千克工质进行79过程的放热、(M 3-X)千克工质进行9c过程的放热(回热)来提供，或由三者共同来提供；其中，M 3千克工质进行34过程高温段的吸热，还可由(M 3-X)千克工质放热68过程来提供。 ① Endothermic process-M 1 kg of working fluid carries out 23 processes and M 3 kilograms of working fluids carries out 34 processes. The heat absorption in the high temperature section is generally provided by an external heat source, and the heat absorption in the low temperature section is provided by an external heat source or X kilograms of working fluid. The exothermic process of 79 process, (M 3 -X) kg of working fluid is provided by the exothermic heat (regeneration) of process 9c, or the three are provided together; among them, M 3 kg of working fluid is used for the high temperature section of process 34 The heat absorption can also be provided by the (M 3 -X) kilogram working fluid exothermic 68 process.
②放热过程——M 3千克工质进行56过程的放热和(M 3-X)千克工质进行68过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于34过程高温段吸热(回热)；X千克工质进行79过程的放热、M 3千克工质进行9c过程的放热，可向冷却介质释放，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行c1过程的放热，一般向低温热源(环境)释放。 ②Exothermic process——M 3 kg of working fluid carries out the heat release of 56 process and (M 3 -X) kilograms of working fluid carries out the heat release of 68 process, which can be provided to meet the corresponding heat demand. The low temperature section of the heat release may be used 34 process heat absorption (regeneration); X kilograms of working fluid carries out the heat release of 79 process, M 3 kilograms of working fluid carries out the heat release of 9c process, which can be released to the cooling medium, or part or all of it can be used in other processes of the combined cycle The useless part is released to the low-temperature heat source (environment); the heat released by the C1 process of M 1 kg of working fluid is generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程c3，以及M 3千克工质升压过程45，一般由压缩机来完成；X千克工质的降压过程67，以及(M 3-X)千克工质的降压过程89，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid c3, and The pressure increase process of M 3 kg working fluid 45 is generally completed by a compressor; the pressure reduction process 67 of X kg working fluid and the pressure reduction process 89 of (M 3 -X) kg working fluid are generally completed by an expander; The buck expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, the mechanical energy is input from the outside at the same time, forming the second category Single working fluid combined cycle.
图5/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The example of the second type of single working fluid combined cycle in the T-s diagram shown in Figure 5/10 is carried out as follows:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质吸热升温、汽化和过 热过程23，M 1千克工质升压升温过程34，M 1千克工质放热降温过程45，M 1千克工质降压膨胀过程56，M 1千克工质放热降温过程6d，M 2千克工质升压升温过程e7，M 2千克工质吸热升温过程78，M 2千克工质升压升温过程89，M 2千克工质放热降温过程9c，M 2千克工质降压膨胀过程cd，M 3千克工质放热降温过程de，M 1千克工质放热冷凝过程e1——共13个过程。 Working medium: M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid endothermic heating, vaporization and overheating process 23, M 1 kg of working fluid boosting and heating process 34, M 1 kg of working fluid exothermic Cooling process 45, M 1 kg working fluid depressurizing expansion process 56, M 1 kg working fluid exothermic cooling process 6d, M 2 kg working fluid pressure rising process e7, M 2 kg working fluid endothermic heating process 78, M 2 Pressure increasing process of kg working fluid 89, M 2 kg working fluid exothermic cooling process 9c, M 2 kg working fluid depressurization expansion process cd, M 3 kg working fluid exothermic cooling process de, M 1 kg working fluid exothermic and condensation Process e1-a total of 13 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行23过程和M 2千克工质进行78过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 1千克工质进6d过程与M 3千克工质进行de过程的联合放热(回热)来提供，或由二者共同来提供；其中——M 1千克工质进行23过程高温段的吸热，还可由其放热45过程的低温段来提供；M 2千克工质进行78过程高温段的吸热，还可由其放热9c过程的低温段来提供。 ① Endothermic process-M 1 kg of working fluid for 23 process and M 2 kg of working fluid for 78 process. The heat absorption in the high temperature section is generally provided by an external heat source, and the heat absorption in the low temperature section is provided by an external heat source or M 1 kg. The working fluid enters the 6d process and the M 3 kilogram working fluid carries on the joint exothermic heat (regeneration) of the de process to provide, or both provide together; among them-M 1 kilogram working fluid carries on the heat absorption of the high temperature section of the 23 process, It can also be provided by the low temperature section of the heat release 45 process; M 2 kg of working fluid can absorb heat in the high temperature section of the 78 process, and it can also be provided by the low temperature section of the heat release 9c process.
②放热过程——M 1千克工质进行45过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于23过程高温段吸热(回热)；M 2千克工质放热降温过程9c，对外提供满足相应热需求，其中的低温段放热或可用于78过程高温段吸热(回热)；M 1千克工质进行6d过程的放热和M 3千克工质进行de过程的放热，可向冷却介质释放，或者部分或大部分用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行e1过程的放热，一般向低温热源释放。 ②Exothermic process-M 1 kg of working fluid carries out 45 processes of heat release, and external provision is provided to meet the corresponding heat demand. Among them, the low temperature section of the heat can be used to absorb heat (regeneration) in the high temperature section of the 23 process; M 2 kg of working fluid The exothermic cooling process 9c is provided externally to meet the corresponding heat demand. The low temperature section of the heat may be used for the high temperature section of the 78 process to absorb heat (regeneration); M 1 kg of working fluid is used for the 6d process of heat release and M 3 kg of working fluid The heat released during the de process can be released to the cooling medium, or part or most of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment); M 1 kg of working fluid can release the heat from the e1 process , Generally released to a low-temperature heat source.
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程e7和89，以及M 1千克工质的升压过程34，一般由压缩机来完成；M 1千克工质的降压过程56，以及M 2千克工质的降压过程cd，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process 12 of M 1 kg of working fluid is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid e7 and 89 and M 1 kilogram of working fluid boosting process 34, is generally accomplished by the compressor; M 1 kilogram depressurisation of the working fluid 56, and M 2 kilogram CD depressurisation of the working fluid, is generally accomplished by the expander; The buck expansion work is used for boosting power consumption, or when the buck expansion work is greater than the boosting work, mechanical energy is output at the same time, or when the buck expansion work is less than the boosting work, the mechanical energy is input from the outside at the same time, forming the second category Single working fluid combined cycle.
图6/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Figure 6/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质与M千克过热蒸汽混合吸热升温过程2b，(M 1+M)千克工质吸热升温、汽化和过热过程b3，M 2千克工质升压升温过程8a，M千克工质与M 1千克工质混合放热冷凝过程ab，(M 2-M)千克工质升压升温过程a3，M 3千克工质吸热升温过程34，M 3千克工质升压升温过程45，M 3千克工质放热降温过程56，M 3千克工质降压膨胀过程67，M 3千克工质放热降温过程78，M 1千克工质放热冷凝过程81——共12个过程。 Working medium: M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of superheated steam mixing endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and overheating Process b3, M 2 kg of working fluid pressure rising process 8a, M kg of working fluid and M 1 kg of working fluid mixed exothermic condensation process ab, (M 2 -M) kg of working fluid pressure rising process a3, M 3 kg of working fluid Endothermic heating process 34, M 3 kg working fluid pressure increasing process 45, M 3 kg working fluid exothermic cooling process 56, M 3 kg working fluid depressurizing expansion process 67, M 3 kg working fluid exothermic cooling process 78 , M 1 kg of working fluid exothermic condensation process 81-a total of 12 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行2b过程的吸热来自M千克过热蒸汽的混合放热，(M 1+M)千克工质进行b3过程和M 3千克工质进行34过程，高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行78过程的放热(回热)来提供，或由二者共同来提供；其中，M 3千克工质进行34过程高温段的吸热，还可由其放热56过程的低温段来提供。 ① Endothermic process- the heat absorption of M 1 kg of working fluid for 2b process comes from the mixed exotherm of M kg of superheated steam, (M 1 +M) kg of working fluid for b3 process and M 3 kg of working fluid for 34 process, high temperature The heat absorption of the section is generally provided by an external heat source, and the heat absorption of the low-temperature section is provided by an external heat source or the exothermic heat (regeneration) of the 78 process performed by M 3 kg of working fluid, or both are provided; among them, M The heat absorption of 3 kilograms of working fluid in the high temperature section of the 34 process can also be provided by the low temperature section of the heat release 56 process.
②放热过程——M 3千克工质进行56过程的放热，对外提供满足相应热需求，其中的 低温段放热或可用于34过程高温段吸热(回热)；M 3千克工质进行78过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行81过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kg of working fluid carries out the heat release of the 56 process, and externally provides to meet the corresponding heat demand, of which the low temperature section of the heat can be used for the high temperature section of the 34 process to absorb heat (regeneration); M 3 kg of working fluid The heat released in the 78 process can be released to the cooling medium, or part or all of it can be used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment); M 1 kg of working fluid can release the heat in the 81 process , Generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程8a和(M 2-M)千克工质的升压过程a3，以及M 3千克工质的升压过程45，一般由压缩机来完成；M 3千克工质的降压膨胀过程67，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 8a and ( M 2 -M) The pressure increase process a3 of kilogram working fluid and the pressure increase process 45 of M 3 kilogram working fluid are generally completed by a compressor; the depressurization and expansion process 67 of M 3 kilogram working fluid is generally performed by an expander Complete; buck expansion work is used for boost power consumption, or when the buck expansion work is greater than the boost work consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the first The second type of single working fluid combined cycle.
图7/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The example of the second type of single working fluid combined cycle in the T-s diagram shown in Figure 7/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质与M千克工质的混合吸热升温过程2b，(M 1+M)千克工质吸热升温、汽化和过热过程b5，M 2千克工质升压升温过程9a，M千克工质与M 1千克工质的混合放热冷凝过程ab，(M 2-M)千克工质升压升温过程a3，(M 2-M)千克工质吸热升温过程34，(M 2-M)千克工质升压升温过程45，M 3千克工质升压升温过程56，M 3千克工质放热降温过程67，M 3千克工质降压膨胀过程78，M 3千克工质放热降温过程89，M 1千克工质放热冷凝过程91——共13个过程。 The working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b5, M 2 kg working fluid pressure rising process 9a, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, (M 2 -M) Kilogram working fluid endothermic heating process 34, (M 2 -M) Kilogram working fluid pressure rising and heating process 45, M 3 kg working fluid pressure rising and heating process 56, M 3 kg working fluid exothermic cooling process 67, M 3 kg working fluid depressurization expansion process 78, M 3 kg working fluid exothermic cooling process 89, M 1 kg working fluid exothermic condensation process 91-a total of 13 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行2b过程的吸热来自M千克过热蒸汽的混合放热，(M 1+M)千克工质进行b5过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的放热(回热)来提供，或由二者共同来提供；(M 2-M)千克工质进行34过程高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的高温段放热(回热)来提供，或由二者共同来提供；其中，(M 1+M)千克工质进行b5过程和(M 2-M)千克工质进行34过程的高温段吸热，还可由M 3千克工质放热67过程的低温段来提供。 ① Endothermic process- the heat absorption of M 1 kg of working fluid in the 2b process comes from the mixed exothermic heat of M kg of superheated steam, (M 1 +M) kg of working fluid is in the b5 process, and the heat absorption in the high temperature section is generally from an external heat source The heat absorption of the low temperature section is provided by the external heat source or the exothermic heat (regeneration) of the 89 process performed by M 3 kg of working fluid, or both are provided; (M 2 -M) kg of working fluid is used for 34 The heat absorption of the high temperature section of the process is generally provided by an external heat source, and the heat absorption of the low temperature section is provided by an external heat source or the high temperature section of the 89 process (regeneration) performed by M 3 kg of working fluid, or both are provided. ; Among them, (M 1 +M) kilogram of working fluid for b5 process and (M 2 -M) kilogram of working fluid for 34 process heat absorption in the high temperature section, which can also be provided by the low temperature section of M 3 kg working fluid exothermic process 67 .
②放热过程——M 3千克工质进行67过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于(M 1+M)千克工质进行b5过程和(M 2-M)千克工质进行34过程的高温段吸热；M 3千克工质进行89过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行91过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kilograms of working fluid carry out the heat release of 67 process, and provide external sources to meet the corresponding heat demand. The low temperature section of the heat can be used for (M 1 +M) kilograms of working fluid to carry out b5 process and (M 2 -M) Kilogram of working fluid absorbs heat in the high temperature section of process 34; M 3 kg of working fluid absorbs heat in process 89, which can release heat to the cooling medium, or part or all of it is used for the heat absorption requirements of other processes in the combined cycle, which is useless Part of it is released to the low-temperature heat source (environment); M 1 kg of working fluid is released to the low-temperature heat source (environment) during the 91 process.
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程9a，(M 2-M)千克工质的升压过程a3和45，以及M 3千克工质的升压过程56，一般由压缩机来完成；M 3千克工质的降压膨胀过程78，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 9a, ( M 2 -M) kg refrigerants bootstrapping a3 and 45, and the working medium M 3 kg boosting process 56, is generally accomplished by the compressor; M 3 kg of working fluid down the expansion process 78, typically made of expanded When the pressure-reducing expansion work is used for boosting power consumption, or when the pressure-reducing expansion work is greater than the boosting power consumption, mechanical energy is output at the same time, or when the pressure-reducing expansion work is less than the boosting power consumption, mechanical energy is input from the outside at the same time, Form the second type of single working fluid combined cycle.
图8/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The example of the second type of single working fluid combined cycle in the T-s diagram shown in Figure 8/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质与M千克工质的混合吸热升温过程2b，(M 1+M)千克工质吸热升温、汽化和过热过程b4，M 2千克工质升压升温过程9a，M千克工质与M 1千克工质的混合放热冷凝过程ab，(M 2-M)千克工质升压升温过程a3，(M 2-M)千克工质吸热升温过程35，(M 1+M)千克工质升压升温过程45，M 3千克工质升压升温过程56，M 3千克工质放热降温过程67，M 3千克工质降压膨胀过程78，M 3千克工质放热降温过程89，M 1千克工质放热冷凝过程91——共13个过程。 The working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b4, M 2 kg working fluid pressure rising process 9a, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, (M 2 -M) Kg working fluid endothermic heating process 35, (M 1 +M) Kg working fluid boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic and cooling process 67, M 3 kg working fluid depressurization expansion process 78, M 3 kg working fluid exothermic cooling process 89, M 1 kg working fluid exothermic condensation process 91-a total of 13 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行2b过程的吸热来自M千克过热蒸汽的混合放热，(M 1+M)千克工质进行b4过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由M 3千克工质进行89过程的放热(回热)来提供，或由二者共同来提供；(M 2-M)千克工质进行35过程的吸热一般由外部热源来提供，部分低温段吸热或由M 3千克工质进行89过程的放热(回热)来提供；其中，(M 1+M)千克工质进行b4过程和(M 2-M)千克工质进行35过程的高温段吸热，还可由M 3千克工质放热67过程的低温段来提供。 ① Endothermic process- the heat absorption of M 1 kg of working fluid in the 2b process comes from the mixed exotherm of M kg of superheated steam, (M 1 +M) kg of working fluid is in the b4 process, and the heat absorption in the high temperature section is generally from an external heat source The heat absorption of the low temperature section is provided by the external heat source or the exothermic heat (regeneration) of the 89 process performed by M 3 kg of working fluid, or both are provided; (M 2 -M) kg of working fluid is used for 35 The heat absorption of the process is generally provided by an external heat source, and part of the low-temperature section absorbs heat or is provided by the exothermic heat (regeneration) of the 89 process performed by M 3 kg of working fluid; among them, (M 1 +M) kg of working fluid is used for the b4 process The heat absorption of the high temperature section of the 35 process with (M 2 -M) kg of working fluid can also be provided by the low temperature section of the M 3 kg of working fluid exothermic 67 process.
②放热过程——M 3千克工质进行67过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于(M 1+M)千克工质进行b4过程和(M 2-M)千克工质进行35过程的高温段吸热；M 3千克工质进行89过程的放热，可向冷却介质放热，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行91过程的放热，一般向低温热源(环境)释放。 ②Exothermic process-M 3 kilograms of working fluid carries out the heat release of 67 process, and external supply meets the corresponding heat demand. The low temperature section of the heat can be used for (M 1 +M) kilograms of working fluid to carry out b4 process and (M 2 -M) One kilogram of working fluid absorbs heat in the high-temperature section of the 35 process; M 3 kilograms of working fluid absorbs heat from the 89 process, which can release heat to the cooling medium, or part or all of it can be used for the heat absorption requirements of other processes in the combined cycle, which is useless Part of it is released to the low-temperature heat source (environment); M 1 kg of working fluid is released to the low-temperature heat source (environment) during the 91 process.
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程9a，(M 2-M)千克工质的升压过程a3，(M 1+M)千克工质的升压过程45，以及M 3千克工质的升压过程56，一般由压缩机来完成；M 3千克工质的降压膨胀过程78，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid 9a, ( M 2 -M) the pressure increase process a3 of kilogram working fluid, the pressure increase process 45 of (M 1 +M) kilogram working fluid, and the pressure increase process 56 of M 3 kilogram working fluid, which are generally completed by a compressor; M 3 The pressure-reducing expansion process of kilogram working fluid 78 is generally completed by an expander; the pressure-reducing expansion work is used for boosting power consumption, or when the pressure-reducing expansion work is greater than the boosting power consumption, the mechanical energy is output at the same time, or the pressure-reducing expansion work When the work is less than the boost power consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
图9/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Fig. 9/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质与M千克工质的混合吸热升温过程2b，(M 1+M)千克工质吸热升温、汽化和过热过程b3，M 2千克工质升压升温过程ca，M千克工质与M 1千克工质的混合放热冷凝过程ab，(M 2-M)千克工质升压升温过程a3，M 3千克工质吸热升温过程34，M 3千克工质升压升温过程45，M 3千克工质放热降温过程56，X千克工质降压膨胀过程67，(M 3-X)千克工质放热降温过程68，(M 3-X)千克工质降压膨胀过程89，X千克工质放热降温过程79，M 3千克工质放热降温过程9c，M 1千克工质放热冷凝过程c1——共15个过程。 The working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b3, M 2 kg working fluid pressure rising process ca, M kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid pressure rising process a3, M 3 Kilogram working fluid endothermic heating process 34, M 3 kilogram working fluid pressure increasing process 45, M 3 kilogram working fluid exothermic cooling process 56, X kilogram working fluid depressurizing expansion process 67, (M 3 -X) kilogram working fluid Exothermic cooling process 68, (M 3 -X) kg working fluid depressurization expansion process 89, X kg working fluid exothermic cooling process 79, M 3 kg working fluid exothermic cooling process 9c, M 1 kg working fluid exothermic condensation Process c1-a total of 15 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行2b过程的吸热来自M千克过热蒸汽的混合放热，(M 1+M)千克工质进行b3过程和M 3千克工质进行34过程，高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由X千克工质进行79过程的放热、M 3千克工质进行9c过程的放热(回热)来提供，或由三者共同来提供；其中，M 3千克工质进行34过程 高温段的吸热，还可由(M 3-X)千克工质放热68过程来提供。 ① Endothermic process- the heat absorption of M 1 kg of working fluid for 2b process comes from the mixed exotherm of M kg of superheated steam, (M 1 +M) kg of working fluid for b3 process and M 3 kg of working fluid for 34 process, high temperature The heat absorption of the section is generally provided by an external heat source, and the heat absorption of the low temperature section is provided by the external heat source or the exothermic process of the 79 process by the X kg of working fluid, and the heat release (regeneration) of the M 3 kg of the working fluid for the 9c process. Or it can be provided by the three together; among them, M 3 kilograms of working fluid can absorb heat in the high temperature section of the 34 process, and it can also be provided by the (M 3 -X) kilograms of working fluid exothermic process 68.
②放热过程——M 3千克工质进行56过程的放热和(M 3-X)千克工质进行68过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于34过程高温段吸热(回热)；X千克工质进行79过程的放热、M 3千克工质进行9c过程的放热，可向冷却介质释放，或者部分或全部用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行c1过程的放热，一般向低温热源(环境)释放。 ②Exothermic process——M 3 kg of working fluid carries out the heat release of 56 process and (M 3 -X) kilograms of working fluid carries out the heat release of 68 process, which can be provided to meet the corresponding heat demand. The low temperature section of the heat release may be used 34 process heat absorption (regeneration); X kilograms of working fluid carries out the heat release of 79 process, M 3 kilograms of working fluid carries out the heat release of 9c process, which can be released to the cooling medium, or part or all of it can be used in other processes of the combined cycle The useless part is released to the low-temperature heat source (environment); the heat released by the C1 process of M 1 kg of working fluid is generally released to the low-temperature heat source (environment).
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程ca和(M 2-M)千克工质的升压过程a3，以及M 3千克工质升压过程45，一般由压缩机来完成；X千克工质的降压过程67，以及(M 3-X)千克工质的降压过程89，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process of M 1 kg of working fluid 12 is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid ca and ( M 2 -M) the pressure increase process a3 of kilograms of working fluid, and the pressure increase process of M 3 kilograms of working fluid 45, are generally completed by compressors; the pressure reduction process of X kilograms of working fluid 67, and (M 3 -X) kilograms The depressurization process of the working fluid 89 is generally completed by the expander; the depressurization expansion work is used for boosting power consumption, or when the depressurizing expansion work is greater than the boosting work consumption, the mechanical energy is output at the same time, or the depressurizing expansion work is less than When boosting power consumption, external mechanical energy is input at the same time, forming the second type of single working fluid combined cycle.
图10/10所示T-s图中的第二类单工质联合循环示例是这样进行的：The second type of single working fluid combined cycle example in the T-s diagram shown in Fig. 10/10 goes like this:
(1)从循环过程上看：(1) From the perspective of the cycle process:
工作介质进行——M 1千克工质冷凝液升压过程12，M 1千克工质与M千克工质的混合吸热升温过程2b，(M 1+M)千克工质吸热升温、汽化和过热过程b3，(M 1+M)千克工质升压升温过程34，(M 1+M)千克工质放热降温过程45，(M 1+M)千克工质降压膨胀过程56，(M 1+M)千克工质放热降温过程6d，M 2千克工质升压升温过程ea，M千克工质与M 1千克工质的混合放热冷凝过程ab，(M 2-M)千克工质升压升温过程a7，(M 2-M)千克工质吸热升温过程78，(M 2-M)千克工质升压升温过程89，(M 2-M)千克工质放热降温过程9c，(M 2-M)千克工质降压膨胀过程cd，M 3千克工质放热降温过程de，M 1千克工质放热冷凝过程e1——共16个过程。 The working medium is carried out-M 1 kg of working fluid condensate boosting process 12, M 1 kg of working fluid and M kg of working fluid mixed endothermic heating process 2b, (M 1 +M) kg of working fluid endothermic heating, vaporization and Overheating process b3, (M 1 +M) kg working fluid boosting and heating process 34, (M 1 +M) kg working fluid exothermic and cooling process 45, (M 1 +M) kg working fluid depressurization and expansion process 56, ( M 1 +M) kg of working fluid exothermic cooling process 6d, M 2 kg of working fluid boosting and heating process ea, M kg of working fluid and M 1 kg of working fluid mixed exothermic condensation process ab, (M 2 -M) kg Working fluid pressure increasing process a7, (M 2 -M) kilogram working fluid endothermic heating process 78, (M 2 -M) kilogram working fluid pressure increasing process 89, (M 2 -M) kilogram working fluid exothermic and cooling Process 9c, (M 2 -M) kg working fluid depressurization expansion process cd, M 3 kg working fluid exothermic cooling process de, M 1 kg working fluid exothermic condensation process e1-a total of 16 processes.
(2)从能量转换上看：(2) From the perspective of energy conversion:
①吸热过程——M 1千克工质进行2b过程的吸热来自M千克过热蒸汽的混合放热，(M 1+M)千克工质进行b3过程和(M 2-M)千克工质进行78过程，其高温段的吸热一般由外部热源来提供，低温段的吸热由外部热源或由(M 1+M)千克工质进6d过程与M 3千克工质进行de过程的联合放热(回热)来提供，或由三者共同来提供。其中——(M 1+M)千克工质进行23过程高温段的吸热，还可由其放热45过程的低温段来提供；(M 2-M)千克工质进行78过程高温段的吸热，还可由其放热9c过程的低温段来提供。 ① Endothermic process- the heat absorption of M 1 kg of working fluid for the 2b process comes from the mixed exotherm of M kg of superheated steam, (M 1 +M) kg of working fluid for the b3 process and (M 2 -M) kg of working fluid for the process In the 78 process, the heat absorption of the high temperature section is generally provided by an external heat source, and the heat absorption of the low temperature section is provided by an external heat source or a combination of (M 1 +M) kg of working fluid into the 6d process and M 3 kg of working fluid for the de process. Heat (reheat) to provide, or provide by the three together. Among them-(M 1 +M) kilogram of working fluid for the absorption of heat in the high temperature section of the 23 process, which can also be provided by the low temperature section of the 45 process; (M 2 -M) kg of working fluid for the absorption of the high temperature section of the 78 process Heat can also be provided by the low temperature section of the 9c process.
②放热过程——(M 1+M)千克工质进行45过程的放热，对外提供满足相应热需求，其中的低温段放热或可用于23过程高温段吸热(回热)；(M 2-M)千克工质放热降温过程9c，对外提供满足相应热需求，其中的低温段放热或可用于78过程高温段吸热(回热)；(M 1+M)千克进行工质6d过程的放热和M 3千克工质进行de过程的放热，可向冷却介质释放，或者部分或大部分用于联合循环其它过程的吸热需求，无用部分向低温热源(环境)释放；M 1千克工质进行e1过程的放热，一般向低温热源释放。 ②Exothermic process——(M 1 +M) kilograms of working fluid carry out 45 process of exothermic heat, and provide external supply to meet the corresponding heat demand. Among them, the low temperature section of the heat can be used for the high temperature section of the 23 process to absorb heat (regeneration); ( M 2 -M) Kilogram of working fluid heat release and cooling process 9c, externally provided to meet the corresponding heat demand, of which the low temperature section of the heat may be used for the high temperature section of the 78 process to absorb heat (recovery); (M 1 +M) kilograms of work The heat release of the 6d process and the heat release of the M 3 kg working fluid for the de process can be released to the cooling medium, or part or most of it is used for the heat absorption requirements of other processes in the combined cycle, and the useless part is released to the low-temperature heat source (environment) ; M 1 kg of working fluid carries out the exothermic heat of the e1 process, which is generally released to the low-temperature heat source.
③能量转换过程——M 1千克工质的升压过程12一般由循环泵来完成，循环泵的耗功可由膨胀作功提供或由外部提供；M 2千克工质的升压过程ea，(M 2-M)千克工质的升压过程a7，(M 1+M)千克工质的升压过程34，以及(M 2-M)千克工质的升压过程89，一 般由压缩机来完成；(M 1+M)千克工质的降压过程56，以及(M 2-M)千克工质的降压过程cd，一般由膨胀机来完成；降压膨胀作功用于升压耗功，或降压膨胀作功大于升压耗功时同时对外输出机械能，或降压膨胀作功小于升压耗功时同时由外部投入机械能，形成第二类单工质联合循环。 ③Energy conversion process -the boosting process 12 of M 1 kg of working fluid is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or externally; the boosting process of M 2 kg of working fluid ea, ( M 2 -M) the pressure increase process a7 of kilogram working fluid, the pressure increase process of (M 1 +M) kilogram working fluid 34, and the pressure increase process 89 of (M 2 -M) kilogram working fluid, generally come from the compressor Complete; (M 1 +M) the depressurization process of kilograms of working fluid 56 and (M 2 -M) the depressurization process of (M 2 -M) kilograms of working fluid cd are generally completed by an expander; depressurization expansion work is used for pressure boosting work , Or when the buck expansion work is greater than the boost power consumption, mechanical energy is output at the same time, or when the buck expansion work is less than the boost work consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
本发明技术可以实现的效果——本发明所提出的第二类单工质联合循环，具有如下效果和优势：The effects that can be achieved by the technology of the present invention-the second type of single working fluid combined cycle proposed by the present invention has the following effects and advantages:
(1)提出了温差利用的新思路和新技术。(1) New ideas and new technologies for the use of temperature differences are proposed.
(2)热能(温差)驱动，实现热能温度提升，或可选择同时对外提供动力。(2) Thermal energy (temperature difference) drive to increase the temperature of thermal energy, or you can choose to provide power to the outside at the same time.
(3)方法简单，流程合理，适用性好，是实现温差有效利用的共性技术。(3) The method is simple, the process is reasonable, and the applicability is good. It is a common technology to realize the effective use of temperature difference.
(4)必要时，借助部分外部动力实现热能温度提升，方式灵活，适应性好。(4) When necessary, use part of the external power to increase the thermal energy temperature, which is flexible and adaptable.
(5)相变过程或相变过程为主实现低温放热，有利于减小低温热负荷释放环节的传热温差，提高循环性能指数。(5) The phase change process or the phase change process mainly realizes low-temperature heat release, which is beneficial to reduce the heat transfer temperature difference in the low-temperature heat load release link and improve the cycle performance index.
(6)变温过程或变温过程为主实现中温吸热，有利于减小中温热负荷获取环节的传热温差，提高循环性能指数。(6) The temperature change process or the temperature change process mainly realizes the middle temperature heat absorption, which is beneficial to reduce the heat transfer temperature difference in the middle temperature heat load acquisition link and improve the cycle performance index.
(7)变温放热，有利于减小供热环节传热温差，实现循环性能指数合理化。(7) Variable temperature heat release is beneficial to reduce the heat transfer temperature difference in the heating link and realize the rationalization of the cycle performance index.
(8)单一工质，有利于生产和储存；降低运行成本，提高循环调节的灵活性(8) A single working fluid is conducive to production and storage; reduces operating costs and improves the flexibility of cycle adjustment
(9)过程共用，减少过程数量，为减少设备投资提供理论基础。(9) Process sharing, reducing the number of processes, and providing a theoretical basis for reducing equipment investment.
(10)工质参数范围宽，实现高效高温供热；能够很好地适应供能需求，工质与工作参数之间匹配灵活。(10) A wide range of working fluid parameters can achieve high-efficiency and high-temperature heating; it can well adapt to energy supply requirements, and the matching between working fluid and working parameters is flexible.
(11)有较低的压力与循环压缩比，为核心设备的选取和制造提供方便；为降低温差利用型热泵系统的工作压力和提高装置安全性提供理论基础。(11) It has a lower pressure and cycle compression ratio, which provides convenience for the selection and manufacture of core equipment; it provides a theoretical basis for reducing the working pressure of the temperature difference utilization heat pump system and improving the safety of the device.
(12)扩展了实现温差利用的热力循环范围，有利于更好地实现中温热源和变中温热源的高效热利用。(12) The thermodynamic cycle range for realizing the utilization of the temperature difference is expanded, which is beneficial to better realize the high-efficiency heat utilization of the medium-temperature heat source and the variable-medium-temperature heat source.

Claims (10)

  1. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的九个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 2千克工质升压过程83，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，M 3千克工质降压过程67，M 3千克工质放热过程78，M 1千克工质放热冷凝过程81——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to nine processes that are composed of M 1 kilogram and M 2 kilograms, which are carried out separately or together-M 1 kilogram of working fluid boost process 12, M 1 kilogram of working fluid absorption Thermal vaporization process 23, M 2 kg working fluid boosting process 83, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, M 3 kg working fluid Pressure reduction process 67, M 3 kg working fluid exothermic process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; where M 3 is the sum of M 1 and M 2.
  2. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十个过程——M 1千克工质升压过程12，M 2千克工质升压过程93，M 2千克工质吸热过程34，M 1千克工质吸热汽化过程25，M 2千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg working fluid boost process 12, M 2 kg working fluid boost Pressure process 93, M 2 kg working fluid endothermic process 34, M 1 kg working fluid endothermic vaporization process 25, M 2 kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg working fluid Exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91-a closed process of composition; among them, M 3 is M 1 and The sum of M 2.
  3. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程24，M 2千克工质升压过程93，M 2千克工质吸热过程35，M 1千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to ten processes that are composed of M 1 kg and M 2 kg, respectively or jointly-M 1 kg of working fluid boost process 12, M 1 kg of working fluid absorption Thermal vaporization process 24, M 2 kg working fluid boosting process 93, M 2 kg working fluid endothermic process 35, M 1 kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg working fluid Exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91-a closed process of composition; among them, M 3 is M 1 and The sum of M 2.
  4. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十二个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 2千克工质升压过程c3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，X千克工质降压过程67，(M 3-X)千克工质放热过程68，(M 3-X)千克工质降压过程89，X千克工质放热过程79，M 3千克工质放热过程9c，M 1千克工质放热冷凝过程c1——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic vaporization process 23, M 2 kg working fluid boosting process c3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, X kg working fluid Pressure reduction process 67, (M 3 -X) kg working fluid heat release process 68, (M 3 -X) kg working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid heat release process 9c, the exothermic condensation process of M 1 kg of working fluid, c1-a closed process of composition; where M 3 is the sum of M 1 and M 2.
  5. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热汽化过程23，M 1千克工质升压过程34，M 1千克工质放热过程45，M 1千克工质降压过56，M 1千克工质放热过程6d，M 2千克工质升压过程e7，M 2千克工质吸热过程78，M 2千克工质升压过程89，M 2千克工质放热过程9c，M 2千克工质降压过程cd，M 3千克工质放热过程de，M 1千克工质放热冷凝过程e1——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the thirteen processes composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic vaporization process 23, M 1 kg working fluid boosting process 34, M 1 kg working fluid exothermic process 45, M 1 kg working fluid depressurizing over 56, M 1 kg working fluid exothermic process 6d, M 2 kg working fluid Mass pressure increase process e7, M 2 kg working fluid endothermic process 78, M 2 kg working fluid pressure increase process 89, M 2 kg working fluid heat release process 9c, M 2 kg working fluid pressure reduction process cd, M 3 kg working fluid Mass exothermic process de, M 1 kilogram of working fluid exothermic condensation process e1-closed process of composition; where M 3 is the sum of M 1 and M 2.
  6. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十二个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克工质吸热汽化过程b3，M 2千克工质升压过程8a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，M 3千克工质降压过程67，M 3千克工质放热过程78，M 1千克工质放热冷凝过程81——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the twelve processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic process 2b, (M 1 +M) kilogram of working fluid endothermic vaporization process b3, M 2 kilogram of working fluid boosting process 8a, M kilogram of working fluid exothermic condensation process ab, (M 2 -M) kilogram of working fluid liter Pressure process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid heat releasing process 56, M 3 kg working fluid depressurizing process 67, M 3 kg working fluid releasing Thermal process 78, M 1 kg working fluid exothermic condensation process 81-a closed process of composition; among them, M 3 is the sum of M 1 and M 2.
  7. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，M 2千克工质升压过程9a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，(M 2-M)千克工 质吸热过程34，(M 1+M)千克工质吸热汽化过程b5，(M 2-M)千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the thirteen processes composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 2 -M) kg working fluid endothermic Process 34, (M 1 +M) kg working fluid endothermic vaporization process b5, (M 2 -M) kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91-a closed process of composition; where M 3 is a combination of M 1 and M 2 and.
  8. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十三个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，M 2千克工质升压过程9a，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，(M 1+M)千克工质吸热汽化过程b4，(M 2-M)千克工质吸热过程35，(M 1+M)千克工质升压过程45，M 3千克工质升压过程56，M 3千克工质放热过程67，M 3千克工质降压过程78，M 3千克工质放热过程89，M 1千克工质放热冷凝过程91——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the thirteen processes composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic process 2b, M 2 kg working fluid boosting process 9a, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, (M 1 +M) kg working fluid endothermic Vaporization process b4, (M 2 -M) kg working fluid endothermic process 35, (M 1 +M) kg working fluid boosting process 45, M 3 kg working fluid boosting process 56, M 3 kg working fluid heat releasing process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 89, M 1 kg working fluid exothermic condensation process 91-a closed process of composition; where M 3 is a combination of M 1 and M 2 and.
  9. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十五个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克工质吸热汽化过程b3，M 2千克工质升压过程ca，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a3，M 3千克工质吸热过程34，M 3千克工质升压过程45，M 3千克工质放热过程56，X千克工质降压过程67，(M 3-X)千克工质放热过程68，(M 3-X)千克工质降压过程89，X千克工质放热过程79，M 3千克工质放热过程9c，M 1千克工质放热冷凝过程c1——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the fifteen processes that are composed of M 1 kg and M 2 kg, which are carried out separately or together-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic process 2b, (M 1 +M) kilogram of working fluid endothermic vaporization process b3, M 2 kilogram of working fluid pressure increase process ca, M kilogram of working fluid exothermic condensation process ab, (M 2 -M) kilogram working fluid liter Pressure process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid boosting process 45, M 3 kg working fluid exothermic process 56, X kg working fluid depressurizing process 67, (M 3 -X) kg Working fluid heat release process 68, (M 3 -X) kg working fluid pressure reduction process 89, X kg working fluid heat release process 79, M 3 kg working fluid heat release process 9c, M 1 kg working fluid heat release process c1 ——The closing process of composition; where M 3 is the sum of M 1 and M 2.
  10. 第二类单工质联合循环，是指由M 1千克和M 2千克组成的工质，分别或共同进行的十六个过程——M 1千克工质升压过程12，M 1千克工质吸热过程2b，(M 1+M)千克工质吸热汽化过程b3，(M 1+M)千克工质升压过程34，(M 1+M)千克工质放热过程45，(M 1+M)千克工质降压过56，(M 1+M)千克工质放热过程6d，M 2千克工质升压过程ea，M千克工质放热冷凝过程ab，(M 2-M)千克工质升压过程a7，(M 2-M)千克工质吸热过程78，(M 2-M)千克工质升压过程89，(M 2-M)千克工质放热过程9c，(M 2-M)千克工质降压过程cd，M 3千克工质放热过程de，M 1千克工质放热冷凝过程e1——组成的闭合过程；其中，M 3为M 1与M 2之和。 The second type of single working fluid combined cycle refers to the sixteen processes that are composed of M 1 kg and M 2 kg, which are carried out separately or jointly-M 1 kg working fluid boost process 12, M 1 kg working fluid Endothermic process 2b, (M 1 +M) kg working fluid endothermic vaporization process b3, (M 1 +M) kg working fluid boost process 34, (M 1 +M) kg working fluid exothermic process 45, (M 1 +M) kg of working fluid has been depressurized by 56, (M 1 +M) kg of working fluid exothermic process 6d, M 2 kg of working fluid pressure increase process ea, M kg of working fluid exothermic condensation process ab, (M 2- M) Kilogram working fluid boost process a7, (M 2 -M) Kilogram working fluid heat absorption process 78, (M 2 -M) Kilogram working fluid boost process 89, (M 2 -M) Kilogram working fluid heat release process 9c, (M 2 -M) kg working fluid depressurization process cd, M 3 kg working fluid exothermic process de, M 1 kg working fluid exothermic condensation process e1——composition closed process; where M 3 is M 1 Sum with M 2 .
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