WO2022011994A1 - Cycle combiné de milieu de travail unique de second type - Google Patents

Cycle combiné de milieu de travail unique de second type Download PDF

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WO2022011994A1
WO2022011994A1 PCT/CN2021/000146 CN2021000146W WO2022011994A1 WO 2022011994 A1 WO2022011994 A1 WO 2022011994A1 CN 2021000146 W CN2021000146 W CN 2021000146W WO 2022011994 A1 WO2022011994 A1 WO 2022011994A1
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working fluid
working
exothermic
kilogram
endothermic
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Chinese (zh)
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李华玉
李鸿瑞
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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
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle

Definitions

  • the invention belongs to the technical field of thermodynamics and heating.
  • thermodynamic cycle In the basic theoretical system of thermal science, the creation, development and application of thermodynamic cycle will play a major role in the scientific production and utilization of energy, and actively promote social progress and productivity development. Aiming at the variable-temperature type medium-temperature heat resource and high-temperature heat demand, and considering the simultaneous use of power drive or taking into account the power demand, the present invention proposes to use the phase change process or the phase change process as the main method to realize low temperature heat release, and the use of the temperature change process or the temperature change process as It mainly realizes heat absorption at medium temperature, adopts temperature change process to realize high temperature heating, adopts the combination of mixing and indirect heat exchange, and flexibly adapts to the second type of single working medium combined cycle of medium temperature heat source.
  • the main purpose of the present invention is to provide the second type of single working substance combined cycle, and the specific content of the invention is described as follows:
  • the second type of single working fluid combined cycle refers to fifteen processes carried out separately or jointly by M 1 kg, M 2 kg and H kg working fluids - M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic vaporization process 2r, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s3, H kg working medium boosting process 1g, H kg working medium and M 3 kg working medium mixed suction process Thermal process g8, 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 drop Pressing process 67, M 3 kg working fluid exothermic process 7j, M 3 kg working fluid mixed with H kg working fluid exothermic process j8, (M 1 +H) kg working fluid depressurization process 89, (M 1 +H) Kilogram working fluid exothermic condensation process 91 - a closed process of composition; wherein, M 3 is the sum of M 1
  • the second type of single working fluid combined cycle refers to sixteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly - the M 1 kg working fluid boosting process 12, M 1 Kg working medium endothermic vaporization process 2r, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s5, H kg working medium boosting process 1g, H kg working medium and M 3 kg working medium mixed suction process Thermal process g9, M 2 kg working fluid boosting process 93, M 2 kg working fluid endothermic process 34, M 2 kg working fluid boosting process 45, M 3 kg working fluid boosting 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 8j, M 3 kg working fluid mixed with H kg working fluid exothermic process j9, (M 1 +H) kg working fluid drop Pressing process 9c, (M 1 +H) kilogram working fluid exothermic condensation process c1—a closed process composed of
  • the second type of single working fluid combined cycle refers to sixteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly—M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic vaporization process 2r, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s4, H kg working medium boosting process 1g, H kg working medium and M 3 kg working medium mixed suction process Thermal process g9, 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 release Thermal process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 8j, M 3 kg working fluid mixed with H kg working fluid exothermic process j9, (M 1 +H) kg working fluid drop Pressing process 9c, (M 1 +H) kilogram working fluid exothermic condensation process c1—a closed process composed of; where
  • the second type of single working fluid combined cycle refers to the eighteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly - the M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic vaporization process 2r, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s3, H kg working medium boosting process 1g, H kg working medium and M 3 kg working medium mixed suction process Thermal process gc, 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 depressurization Process 67, (M 3 -X) kilogram working fluid exothermic process 68, (M 3 -X) kilogram working fluid depressurization process 89, X kilogram working fluid exothermic process 79, M 3 kilogram working fluid exothermic process 9j, M 3 kilograms of working fluid and H kilograms of working fluid mixed exothermic
  • the second type of single working fluid combined cycle refers to the nineteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly—M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic vaporization process 2r, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s3, M 1 kg working medium boosting process 34, M 1 kg working medium exothermic process 45, M 1 kg of working fluid is depressurized by 56, M 1 kg working fluid exothermic process 6d, H kg working fluid boosting process 1g, H kg working fluid mixed with M 3 kg working fluid endothermic process ge, M 2 kg working fluid liter Pressing process e7, M 2 kg working fluid endothermic process 78, M 2 kg working fluid boosting process 89, M 2 kg working fluid exothermic process 9c, M 2 kg working fluid depressurization process cd, M 3 kg working fluid release process Thermal process dj, M 3 kg working medium mixed with H kg working medium and exothermic process
  • the second type of single working fluid combined cycle refers to eighteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly - M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic process 2b, (M 1 +M) kg working medium endothermic vaporization process br, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s3, H kg working medium boosting process 1g, H kg working medium mixed with M 3 kg working medium endothermic process g8, M 2 kg working medium boosting process 8a, M kg working medium exothermic condensation process ab, (M 2 -M) kg working medium 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 depressurization process 67, M 3 kg working fluid exothermic process 7j, M 3 kg working medium and H kg working medium mixed exothermic process j8, (M 1 +H) kg working medium
  • the second type of single working fluid combined cycle refers to nineteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly - the M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic process 2b, (M 1 +M) kg working medium endothermic vaporization process br, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s5, H kg working medium boosting process 1g, H kg working medium mixed with M 3 kg working medium endothermic process g9, M 2 kg working medium boosting process 9a, M kg working medium exothermic condensation process ab, (M 2 -M) kg working medium boosting process a3, (M 2 -M) kilogram working fluid endothermic process 34, (M 2 -M) kilogram working fluid boosting process 45, M 3 kilogram working fluid boosting process 56, M 3 kilogram working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 8j, M 3 kg working fluid
  • the second type of single working fluid combined cycle refers to nineteen processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly - the M 1 kg working fluid boosting process 12, M 1 Kilogram working medium endothermic process 2b, (M 1 +M) kg working medium endothermic vaporization process br, M 1 kg working medium depressurization process rs, M 1 kg working medium endothermic process s4, H kg working medium boosting process 1g, H kg working medium mixed with M 3 kg working medium endothermic process g9, M 2 kg working medium boosting process 9a, M kg working medium exothermic condensation process ab, (M 2 -M) kg working medium boosting process a3, (M 2 -M) kilogram working fluid endothermic process 35, (M 1 +M) kilogram working fluid boosting process 45, M 3 kilogram working fluid boosting process 56, M 3 kilogram working fluid exothermic process 67, M 3 kg working fluid depressurization process 78, M 3 kg working fluid exothermic process 8j, M 3 kg working fluid mixed
  • the second type of single working fluid combined cycle refers to twenty-one processes carried out by M 1 kg, M 2 kg and H kg working fluids, respectively or jointly—M 1 kg working fluid boosting process 12, M 1 kg working medium endothermic process 2b, (M 1 +M) kg working medium endothermic vaporization process br, (M 1 +M) kg working medium depressurization process rs, (M 1 +M) kg working medium endothermic process s3, H kg working fluid pressure boosting process 1g, H kg working fluid mixed with M 3 kg working fluid endothermic process gc, M 2 kg working fluid boosting process ca, M kg working fluid exothermic condensation process ab, (M 2 -M) kilogram working fluid boosting process a3, M 3 kilogram working fluid endothermic process 34, M 3 kilogram working fluid boosting process 45, M 3 kilogram working fluid exothermic process 56, X kilogram working fluid depressurizing process 67, (M 3 -X) kilogram working fluid exothermic process 68, (M 3 -X) kilogram working fluid depressurization process
  • the second type of single working fluid combined cycle refers to the twenty-two processes carried out separately or jointly by M 1 kg, M 2 kg and H kg working fluid - M 1 kg working fluid boosting process 12, M 1 kg working medium endothermic process 2b, (M 1 +M) kg working medium endothermic vaporization process br, (M 1 +M) kg working medium depressurization process rs, (M 1 +M) kg working medium endothermic process s3, (M 1 +M) kilogram working fluid boosting process 34, (M 1 +M) kilogram working fluid exothermic process 45, (M 1 +M) kilogram working fluid depressurizing 56, (M 1 +M) Kg working medium exothermic process 6d, H kg working medium boosting process 1g, H kg working medium mixed with M 3 kg working medium endothermic process ge, M 2 kg working medium boosting process ea, M kg working medium exothermic condensation Process ab, (M 2 -M) kilogram working fluid boosting process a7, (M 2 -M) kilogram working fluid endothermic process 78
  • Fig. 1/10 is an example diagram of the first principle flow chart of the second type of single working fluid combined cycle provided according to 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 according to 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 according to 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 according to the present invention.
  • Fig. 5/10 is an example flow chart of the fifth principle of the second type of single working fluid combined cycle provided according to 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 according to 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 according to 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 according to 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 according to the present invention.
  • Fig. 10/10 is an example diagram of the tenth principle flow chart of the second type of single working substance combined cycle provided according to the present invention.
  • M 3 is the sum of M 1 and M 2 ; Examples are given to describe the invention in detail.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium endothermic heating, vaporization and superheating process 2r, M 1 kg working medium depressurization and expansion process rs, M 1 kg working medium endothermic Heating process s3, H kg working fluid condensate boosting process 1g, H kg working fluid mixed with M 3 kg working fluid Endothermic heating, vaporization and superheating process g8, M 2 kg working fluid boosting and heating process 83, M 3 kg working fluid Working medium endothermic heating process 34, M 3 kg working medium boosting and heating process 45, M 3 kg working medium exothermic cooling process 56, M 3 kg working medium depressurization and expansion over 67, M 3 kg working medium exothermic cooling process 7j, M 3 kg working medium mixed with H kg working medium and exothermic cooling process j8, (M 1 +H) kg working medium pressure reduction expansion process 89, (M 1 +H) kg working medium exothermic condensation process 91—— There are 15 processes in total.
  • 1Endothermic process - the endothermic process of g8 process with H kg working medium is completed by the exothermic process in the mixing process of M 3 kg working medium and H kg working medium; M 1 kg working medium undergoes 2r process, s3 process and M 3 process Kilogram working medium is carried out 34 process, and its endothermic is generally provided by an external heat source, and the endothermic heat in its low temperature section can also be provided by the exotherm (regeneration) of M 3 kg working medium into 7j process; wherein, M 3 kg working medium
  • the heat absorption in the high temperature section of the 34 process can also be provided by the exothermic heat in the low temperature section of the 56 process.
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • M 2 kilogram bootstrapping working fluid 83, and the working medium M 3 kilogram boosting process 45, is generally accomplished by the compressor;
  • M 1 kilogram refrigerant expansion process down RS, M 3 kilogram expanded working fluid buck Process 67, and (M 1 +H) kilogram working fluid decompression and expansion process 89 are generally completed by an expander;
  • Mechanical energy is output externally, or when the pressure reduction expansion work is less than the boost pressure power consumption, mechanical energy is input from the outside at the same time, forming the second type of single working substance combined cycle.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium endothermic heating, vaporization and superheating process 2r, M 1 kg working medium depressurization and expansion process rs, M 1 kg working medium endothermic Heating process s5, H kilogram working fluid condensate boosting process 1g, H kilogram working fluid mixed with M 3 kilogram working fluid, endothermic heating, vaporization and superheating process g9, M 2 kilogram working fluid boosting and heating process 93, M 2 kilogram Working medium endothermic heating process 34, M 2 kg working medium pressure boosting and heating process 45, M 3 kg working medium pressure boosting and heating process 56, M 3 kg working medium exothermic cooling process 67, M 3 kg working medium pressure reduction and expansion process 78, M 3 kg working medium exothermic cooling process 8j, M 3 kg working medium mixed with H kg working medium exothermic cooling process j9, (M 1 +H) kg working medium pressure reduction expansion process 9c, (M 1 +H ) Kg working medium exothermic condensation
  • M 1 kg of working medium to carry out the S5 process and M 2 kg of working medium to carry out the high temperature section of the 34 process endothermic can also be provided by M 3 kg of working medium to carry out the low temperature section of the 67 process exotherm.
  • the exothermic heat in the low temperature section may be used for M 1 kg working medium for s5 process and M 2 kg working medium for 34 process
  • the high temperature section of the process is endothermic; the exothermic heat of the M 3 kg working fluid for the 8j process can be used for the endothermic demand of the M 1 kg working fluid for the 2r process at the appropriate temperature section, and the M 3 kg working fluid is mixed in a mixed way.
  • the exothermic heat of the (M 1 +H) kilogram working medium to perform the c1 process is generally released to the low temperature heat source (environment).
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • M 2 kilogram bootstrapping working fluid 93 and 45, and the working medium M 3 kilogram boosting process 56, is generally accomplished by the compressor;
  • the pressure expansion process 78, and the (M 1 +H) kilogram working fluid pressure reduction expansion process 9c are generally completed by the expander;
  • external mechanical energy is output at the same time, or when the pressure reduction expansion work is less than the boost pressure power consumption, the mechanical energy is input from the outside at the same time, forming the second type of single working medium combined cycle.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium endothermic heating, vaporization and superheating process 2r, M 1 kg working medium depressurization and expansion process rs, M 1 kg working medium endothermic Heating process s4, H kg working fluid condensate boosting process 1g, H kg working fluid mixed with M 3 kg working fluid, endothermic heating, vaporization and superheating process g9, M 2 kg working fluid boosting and heating process 93, M 2 kg working fluid Working medium endothermic heating process 35, M 1 kg working medium pressure boosting heating process 45, M 3 kg working medium pressure boosting heating process 56, M 3 kg working medium exothermic cooling process 67, M 3 kg working medium pressure reduction and expansion process 78, M 3 kg working medium exothermic cooling process 8j, M 3 kg working medium mixed with H kg working medium exothermic cooling process j9, (M 1 +H) kg working medium pressure reduction expansion process 9c, (M 1 +H ) Kg working medium exothermic condensation
  • M 1 kg of working medium to carry out the s4 process and M 2 kg of working medium to carry out the high temperature section of the 35 process endothermic can also be provided by M 3 kg of working medium to carry out the low temperature section of the 67 process exotherm.
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • M 1 kilogram refrigerant expansion process down rs, the depressurization and expansion process 78 of M 3 kg working fluid, and the depressurization and expansion process 9c of (M 1 +H) kg working fluid are generally completed by an expander;
  • the pressure expansion work is greater than the boost power consumption, the external mechanical energy is simultaneously output, or when the pressure reduction expansion work is less than the boost power consumption, the mechanical energy is input from the outside at the same time, forming the second type of single working fluid combined cycle.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium endothermic heating, vaporization and superheating process 2r, M 1 kg working medium depressurization and expansion process rs, M 1 kg working medium endothermic Heating process s3, H kg working fluid condensate boosting process 1g, H kg working fluid mixed with M 3 kg working fluid Endothermic heating, vaporization and superheating process gc, M 2 kg working fluid boosting and heating process c3, M 3 kg Working medium endothermic temperature rise process 34, M 3 kilogram working medium pressure rise and temperature rise process 45, M 3 kilogram working medium exothermic cooling process 56, X kilogram working medium depressurization and expansion process 67, (M 3 -X) kilogram working medium release Thermal cooling process 68, (M 3 -X) kilogram working fluid pressure reduction and expansion process 89, X kilogram working fluid exothermic cooling process 79, M 3 kilogram working fluid exothermic cooling process 9j, M 3 kilogram working fluid and H kilogram working fluid Mass mixing exothermic
  • the heat can be used for the endothermic requirements of M 1 kg working medium to carry out the appropriate temperature section of the 2r process, M 3 kg working medium is mixed with H kg working medium to cool down to point c, and (M 1 +H) kg working medium is carried out for d1
  • the exothermic heat of the process is generally released to the low temperature heat source (ambient).
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the depressurization process 89 of (M 3 -X) kilogram working fluid, and the depressurization and expansion process cd of (M 1 +H) kilogram working fluid are generally performed by an expander;
  • the buck expansion work is greater than the boost power consumption, external mechanical energy is simultaneously output, or when the buck expansion 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 fluid combined cycle.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium endothermic heating, vaporization and superheating process 2r, M 1 kg working medium depressurization and expansion process rs, M 1 kg working medium endothermic Heating process s3, M 1 kg working medium pressure boosting and heating process 34, M 1 kg working medium exothermic cooling process 45, M 1 kg working medium depressurization and expansion process 56, M 1 kg working medium exothermic cooling process 6d, H kg Working fluid condensate boosting process 1g, H kg working fluid mixed with M 3 kg working fluid endothermic heating, vaporization and superheating process ge, M 2 kg working fluid boosting and heating process e7, M 2 kg working fluid endothermic heating process 78, M 2 kg working medium pressure increase and temperature rise process 89, M 2 kg working medium exothermic cooling process 9c, M 2 kg working medium pressure reduction and expansion process cd, M 3 kg working medium exothermic cooling process dj, M 3 kg working medium exothermic cooling process
  • M 1 kilogram of working medium carries out the heat absorption of the high temperature section of the s3 process, and can also be provided by the exotherm of the low temperature section of the 45 process; M 2 kilograms of the working medium is carried out for the heat absorption of the high temperature section of the 78 process, which can also be carried out by it.
  • the low temperature section of the 9c process is provided by exotherm.
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the depressurization process 56, the depressurization process cd of M 2 kilograms of working fluid, and the depressurization and expansion process ef of (M 1 +H) kilograms of working fluid are generally completed by the expander;
  • the buck expansion work is greater than the boost power consumption, external mechanical energy is simultaneously output, or when the buck expansion 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 fluid combined cycle.
  • Working medium is carried out - M 1 kg working medium condensate boosting process 12, M 1 kg working medium is mixed with M kg superheated steam, endothermic heating process 2b, (M 1 +M) kg working medium endothermic heating, vaporization and superheating Process br, (M 1 +M) kilogram working fluid pressure reduction and expansion process rs, M 1 kilogram working fluid endothermic heating process s3, H kilogram working fluid condensate boosting process 1g, H kilogram working fluid and M 3 kilogram working fluid Mixed endothermic heating, vaporization and superheating process g8, M 2 kg working fluid boosting and heating process 8a, M 1 kg working fluid mixed with M 1 kg working fluid and exothermic condensation process ab, (M 2 -M) kg working fluid boosting Heating process a3, M 3 kilograms of working medium endothermic heating process 34, M 3 kilograms of working medium pressure rise and temperature rise process 45, M 3 kilograms of working medium exothermic cooling process 56, M 3 kilograms of working medium depressurization and expansion process 67, M 3 Kilogram working
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the working medium is carried out—the M 1 kg working medium condensate pressurization process 12, the mixing endothermic heating process 2b of the M 1 kg working medium and the M kg working medium, the (M 1 +M) kg working medium endothermic heating, vaporization and Overheating process br, (M 1 +M) kilogram working fluid pressure reduction and expansion process rs, M 1 kilogram working fluid endothermic heating process s5, H kilogram working fluid condensate boosting process 1g, H kilogram working fluid and M 3 kilogram working fluid Mass mixing endothermic heating, vaporization and superheating process g9, M 2 kg working fluid pressure boosting and heating process 9a, M 1 kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid Boosting and heating process a3, (M 2 -M) kilogram working fluid endothermic heating process 34, (M 2 -M) kilogram working fluid boosting and heating process 45, M 3 kilogram working fluid boosting and heating process 56, M 3 kilogram Working medium exothermic cooling process 67
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • M 2 kg of refrigerant bootstrapping 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;
  • the work is used for boosting the power consumption, or when the buck expansion work is greater than the boosting power consumption, the mechanical energy is output externally, or when the bucking expansion work is less than the boosting power consumption, the mechanical energy is input from the outside at the same time, forming the second type of single working fluid
  • the working medium is carried out—the M 1 kg working medium condensate pressurization process 12, the mixing endothermic heating process 2b of the M 1 kg working medium and the M kg working medium, the (M 1 +M) kg working medium endothermic heating, vaporization and Overheating process br, (M 1 +M) kilogram working fluid pressure reduction and expansion process rs, M 1 kilogram working fluid endothermic heating process s4, H kilogram working fluid condensate boosting process 1g, H kilogram working fluid and M 3 kilogram working fluid Mass mixing endothermic heating, vaporization and superheating process g9, M 2 kg working fluid pressure boosting and heating process 9a, M 1 kg working fluid and M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M) kg working fluid Boosting and heating process a3, (M 2 -M) kilogram working medium endothermic heating process 35, (M 1 +M) kilogram working fluid boosting and heating process 45, M 3 kilogram working fluid boosting and heating process 56, M 3 kilogram Working medium exothermic cooling process 67,
  • the exothermic heat in the low temperature section may be used for (M 1 +M) kg working medium for s4 process and (M 2 ) -M) endothermic heat in the high temperature section of the 35 process with M) kilogram of working fluid;
  • M 3 kilograms of working fluid in the 8j process can be used for (M 1 +M) kilogram of working fluid for the endothermic demand of the suitable temperature section of the br process, M 3
  • the kilogram working fluid is exothermic in a mixed manner to the H kilogram working fluid and cools down to 9 o'clock, and the exotherm of the (M 1 +H) kilogram working fluid in the c1 process is generally released to the low temperature heat source (environment).
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside; M 2 kg of refrigerant bootstrapping 9a, (M 2 -M) kg working fluid boosting process a3, (M 1 + M) bootstrapping kg working fluid 45, and the working medium M 3 kg boost
  • the process 56 is generally completed by the compressor; (M 1 +M) kilogram working medium pressure reduction and expansion process rs, M 3 kilogram working medium pressure reduction expansion process 78, and (M 1 +H) kilogram working medium pressure reduction expansion process 78
  • Process 9c is generally completed by an expander; the depressurization expansion work is used for boosting power consumption, or when the depressurization expansion work is greater than the booster power consumption and external mechanical energy is simultaneously output, or the depressurization expansion work is less than the booster power consumption At the same time, mechanical energy is input from the outside
  • the working medium is carried out—the M 1 kg working medium condensate pressurization process 12, the mixing endothermic heating process 2b of the M 1 kg working medium and the M kg working medium, the (M 1 +M) kg working medium endothermic heating, vaporization and Overheating process br, (M 1 +M) kg working fluid pressure reduction and expansion process rs, (M 1 +M) kg working fluid endothermic heating process s3, H kg working fluid condensate boosting process 1g, H kg working fluid and M 3 kg working fluid mixed endothermic heating, vaporization and superheating process gc, M 2 kg working fluid pressure increasing process ca, M 1 kg working fluid mixed exothermic condensation process ab, (M 2 -M ) Kilogram working medium pressure rise and temperature rise process a3, M 3 kilogram working medium endothermic temperature rise process 34, M 3 kilogram working medium pressure rise and temperature rise process 45, M 3 kilogram working medium exothermic cooling process 56, X kilogram working medium pressure reduction expansion Process 67, (M 3 -X) kilogram working fluid exothermic
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • M 2 kg of refrigerant and bootstrapping ca (M 2 -M) kg working fluid boosting process a3, and M 3 45 kg bootstrapping refrigerant is generally accomplished by the compressor;
  • the working medium is carried out—the M 1 kg working medium condensate pressurization process 12, the mixing endothermic heating process 2b of the M 1 kg working medium and the M kg working medium, the (M 1 +M) kg working medium endothermic heating, vaporization and Overheating process br, (M 1 +M) kilogram working fluid pressure reduction and expansion process rs, (M 1 +M) kilogram working fluid endothermic heating process s3, (M 1 +M) kilogram working fluid pressure boosting and heating process 34, ( M 1 +M) kilogram working fluid exothermic cooling process 45, (M 1 +M) kilogram working fluid decompression and expansion process 56, (M 1 +M) kilogram working fluid exothermic cooling process 6d, H kilogram working fluid condensate 1g of pressure boosting process, H kg working fluid mixed with M 3 kg working fluid, endothermic heating, vaporization and superheating process ge, M 2 kg working fluid boosting and heating process ea, M kg working fluid and M 1 kg working fluid are mixed and released Thermal condensation process ab, (M 2 -M
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium, and the boosting process 1 g of H kg working medium are generally completed by the circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the pressure boosting process 89 is generally completed by the compressor;
  • the depressurization process cd of the working fluid, and the depressurization and expansion process ef of the (M 1 +H) kilogram working fluid are generally completed by the expander;
  • the temperature of thermal energy can be increased with the help of some external power, which is flexible and adaptable.
  • 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.
  • variable temperature process or the variable temperature process mainly realizes the heat absorption at the medium temperature, which is beneficial to reduce the heat transfer temperature difference in the acquisition of the medium temperature heat load and improve the cycle performance index.
  • variable temperature releases heat, which is conducive to reducing the heat transfer temperature difference in the heating link and realizing the rationalization of the cycle performance index.
  • a single working fluid is beneficial to production and storage; reduce operating costs and improve the flexibility of cycle adjustment
  • thermodynamic cycle for realizing the utilization of temperature difference is expanded, which is beneficial to better realize the efficient thermal utilization of the medium-temperature heat source and the variable-medium-temperature heat source.

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

Abstract

Cycle combiné de milieu de travail unique de second type, se rapportant au domaine technique de la thermodynamique et des pompes à chaleur. Le cycle combiné de milieu de travail unique de second type fait référence à un processus fermé constitué de quinze processus exécutés séparément ou conjointement par M1 kg, M2 kg et H kg de milieux de travail, c.-à-d., M1 kg d'un processus de surpression de milieu de travail 12, M1 kg d'un processus de vaporisation endothermique de milieu de travail 2r, M1 kg d'un processus de dépressurisation de milieu de travail rs, M1 kg d'un processus endothermique de milieu de travail s3, H kg d'un processus de surpression de milieu de travail 1g, H kg d'un milieu de travail et M3 kg d'un processus endothermique de mélange de milieu de travail g8, M2 kg d'un processus de surpression de milieu de travail 83, M3 kg d'un processus endothermique de milieu de travail 34, M3 kg d'un processus de surpression de milieu de travail 45, M3 kg d'un processus endothermique de milieu de travail 56, M3 kg d'un processus de dépressurisation de milieu de travail 67, M3 kg d'un processus endothermique de milieu de travail 7j, M3 kg d'un milieu de travail et H kg d'un processus endothermique de mélange de milieu de travail j8, (M1 + H) kg d'un processus de dépressurisation de milieu de travail 89, et (M1 + H) kg d'un processus de condensation et exothermique de milieu de travail 91 ; et M3 est la somme de M1 et M2.
PCT/CN2021/000146 2020-07-14 2021-07-08 Cycle combiné de milieu de travail unique de second type Ceased WO2022011994A1 (fr)

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CN107905857A (zh) * 2016-10-12 2018-04-13 李华玉 分级蒸发联合循环蒸汽动力装置
CN108019245A (zh) * 2016-12-15 2018-05-11 李华玉 多重联合循环动力装置
CN108119195A (zh) * 2016-12-20 2018-06-05 李华玉 联合循环动力装置
CN108679880A (zh) * 2017-03-30 2018-10-19 李华玉 双工质联合循环压缩式热泵

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FR2929381B1 (fr) * 2008-04-01 2010-05-14 Centre Nat Rech Scient Installation pour la production de froid, de chaleur et/ou de travail
JP2014062691A (ja) * 2012-09-21 2014-04-10 Yanmar Co Ltd 第二種吸収式ヒートポンプ、ならびに第二種吸収式ヒートポンプを用いた農業施設および暖房方法
CN105953473B (zh) * 2015-04-13 2020-06-16 李华玉 双向热力循环与第二类热驱动压缩式热泵
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178386A5 (en) * 1972-03-30 1973-11-09 Babcock Atlantique Sa Carbon dioxide heat engine - with compounded thermal cycle for optimized efficiency
CN107893685A (zh) * 2016-10-12 2018-04-10 李华玉 单工质蒸汽联合循环与联合循环蒸汽动力装置
CN107905857A (zh) * 2016-10-12 2018-04-13 李华玉 分级蒸发联合循环蒸汽动力装置
CN108019245A (zh) * 2016-12-15 2018-05-11 李华玉 多重联合循环动力装置
CN108119195A (zh) * 2016-12-20 2018-06-05 李华玉 联合循环动力装置
CN108679880A (zh) * 2017-03-30 2018-10-19 李华玉 双工质联合循环压缩式热泵

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