WO2022001076A1 - Second type de cycle combiné à milieu de travail unique - Google Patents

Second type de cycle combiné à milieu de travail unique Download PDF

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Publication number
WO2022001076A1
WO2022001076A1 PCT/CN2021/000133 CN2021000133W WO2022001076A1 WO 2022001076 A1 WO2022001076 A1 WO 2022001076A1 CN 2021000133 W CN2021000133 W CN 2021000133W WO 2022001076 A1 WO2022001076 A1 WO 2022001076A1
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working fluid
working
exothermic
working medium
kilogram
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PCT/CN2021/000133
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English (en)
Chinese (zh)
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李华玉
李鸿瑞
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李华玉
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    • 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
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle

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 will 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, flexibly adapts to high temperature heat source, and adopts the second type of single working medium combined cycle to realize high temperature heat supply through temperature change process.
  • 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 eleven processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic vaporization process 2f, M 1 kg working fluid depressurization process fg, M 1 kg working fluid endothermic process g3, M 2 kg working fluid boosting process 83, M 3 kg working fluid endothermic process 34, M 3 Kilogram working medium pressure boosting process 45, M 3 kg working medium exothermic process 56, M 3 kg working medium depressurization process 67, M 3 kg working medium exothermic process 78, M 1 kg working medium 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 the twelve processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 2 kg Working fluid boosting process 93, M 2 kg working fluid endothermic process 34, M 1 kg working fluid endothermic vaporization process 2f, M 1 kg working fluid depressurization process fg, M 1 kg working fluid endothermic process g5, M 2 Kilogram 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 depressurizing process 78, M 3 kg working fluid exothermic process 89, M 1 Kilogram working fluid exothermic condensation process 91 - a closed process of composition; wherein, 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 carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic vaporization process 2f, M 1 kg working fluid depressurization process fg, M 1 kg working fluid endothermic process g4, M 2 kg working fluid boosting process 93, M 2 kg working fluid endothermic process 35, M 1 Kilogram 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 depressurizing process 78, M 3 kg working fluid exothermic process 89, M 1 Kilogram working fluid exothermic condensation process 91 - a closed process of composition; wherein, M 3 is the sum of M 1 and M 2 .
  • the second type of single working fluid combined cycle refers to the fourteen processes carried out separately or jointly by working fluids consisting of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic vaporization process 2f, M 1 kg working fluid depressurization process fg, M 1 kg working fluid endothermic process g3, M 2 kg working fluid boosting process c3, M 3 kg working fluid endothermic process 34, M 3 kg bootstrapping working fluid 45, M 3 kg refrigerant exothermic process 56, X kg working fluid depressurisation 67, (M 3 -X) kg refrigerant exothermic process 68, (M 3 -X) kg refrigerants Depressurization process 89, X kilogram working fluid exothermic process 79, M 3 kilogram working fluid exothermic process 9c, M 1 kilogram working fluid exothermic condensation process c1—a closed process of composition; wherein, M 3 is M 1 and M 2 sum.
  • the second type of single working fluid combined cycle refers to the fifteen processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic vaporization process 2f, M 1 kg working fluid depressurization process fg, M 1 kg working fluid endothermic process g3, M 1 kg working fluid boosting process 34, M 1 kg working fluid exothermic process 45, M 1 Kilogram working medium is depressurized by 56, M 1 kg working medium exothermic process 6d, M 2 kg working medium boosting process e7, M 2 kg working medium endothermic process 78, M 2 kg working medium boosting process 89, M 2 Kg working medium exothermic process 9c, M 2 kg working medium depressurization process cd, M 3 kg working medium exothermic process de, M 1 kg working medium exothermic condensation process e1 - a closed process composed of; wherein, M 3 is M 1 and M 2 sum.
  • the second type of single working fluid combined cycle refers to the fourteen processes carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kilogram working fluid endothermic vaporization process bf, (M 1 +M) kilogram working fluid depressurization process fg, (M 1 +M) kilogram working fluid endothermic process g3, M 2 kg working fluid boosting process 8a, M 2 kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid liter Pressing 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 - closed process of composition ; Wherein, M 3 is the sum of M 1 and M 2.
  • the second type of single working fluid combined cycle refers to fifteen processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting 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 bf, (M 1 +M) kilogram working fluid depressurization process fg, (M 1 +M) kilogram working fluid endothermic process g5, (M 2- M) Kilogram working medium boosting process 45, M 3 kg working medium boosting process 56, M 3 kg working medium exothermic process 67, M 3 kg working medium depressurization process 78, M 3 kg working medium exothermic process 89, M 1 kg working medium exothermic condensation process 91 - a closed process of composition; wherein, M 3 is the
  • the second type of single working fluid combined cycle refers to the fifteen processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting 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 bf, (M 1 +M) kilogram working fluid depressurization process fg, (M 1 +M) kilogram working fluid endothermic process g4, (M 2 -M) kilogram working fluid endothermic process 35, (M 1 +M) Kilogram working medium boosting process 45, M 3 kg working medium boosting process 56, M 3 kg working medium exothermic process 67, M 3 kg working medium depressurization process 78, M 3 kg working medium exothermic process 89, M 1 kilogram of working medium exothermic condensation process 91 - a closed process of composition; wherein, M
  • the second type of single working fluid combined cycle refers to the working fluids composed of M 1 kg and M 2 kg, which are carried out separately or together in seventeen processes - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kilogram working fluid endothermic vaporization process bf, (M 1 +M) kilogram working fluid depressurization process fg, (M 1 +M) kilogram working fluid endothermic process g3, M 2 kg working fluid boosting process ca, M working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a3, M 3 kg working fluid endothermic process 34, M 3 kg working fluid liter Pressure process 45, M 3 kg working fluid exothermic process 56, X kg working fluid depressurization process 67, (M 3 -X) kg working fluid exothermic process 68, (M 3 -X) kg working fluid depressurization process 89 , X kilogram working fluid exothermic process 79, M 3 kilogram working fluid exothermic process 9c
  • the second type of single working fluid combined cycle refers to the eighteen processes that are carried out separately or jointly by working fluids composed of M 1 kg and M 2 kg - M 1 kg working fluid boosting process 12, M 1 kg Working fluid endothermic process 2b, (M 1 +M) kilogram working fluid endothermic vaporization process bf, (M 1 +M) kilogram working fluid depressurization process fg, (M 1 +M) kilogram working fluid endothermic process g3, (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) kilogram working fluid Mass exothermic process 6d, M 2 kg working fluid boosting process ea, M kg working fluid exothermic condensation process ab, (M 2 -M) kg working fluid boosting process a7, (M 2 -M) kg working fluid absorption process Thermal process 78, (M 2 -M) kilogram working fluid boosting process 89, (M 2 -
  • 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 ; below in conjunction with the accompanying drawings The invention is described in detail with examples.
  • 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 2f, M 1 kg working medium depressurization and expansion process fg, M 1 kg working medium endothermic Heating process g3, M 2 kilograms of working medium pressure rise and temperature rise process 83, M 3 kilograms of working medium endothermic temperature rise 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 67 kilograms of working medium depressurization and expansion process 67, M 3 kilograms of working medium exothermic cooling process 78, M 1 kilogram of working medium exothermic condensation process 81—a total of 11 processes.
  • the endothermic heat in the high temperature section is generally provided by an external heat source
  • the endothermic heat in the low temperature section is provided by an external heat source or by M 3 kilograms of working medium are provided by exothermic heat (regeneration) of the 78 process, or provided by the two together; wherein, M 3 kilograms of working fluid are provided by the endothermic heat in the high temperature section of the 34 process, and can also be exothermic by the 56 process.
  • Low temperature section to provide.
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided externally;
  • the boosting process 83 of M 2 kg working medium, and The pressure increasing process 45 of M 3 kg working medium is generally completed by a compressor;
  • the depressurizing and expanding process 67 of M 3 kg working medium, and the depressurizing and expanding process fg of M 1 kg working medium are generally completed by an expander;
  • the pressure expansion work is used for boosting the power consumption, or when the pressure reducing expansion work is greater than the boosting power consumption, the mechanical energy is output externally, or when the pressure reducing 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 unit.
  • Working fluid combined cycle is used for boosting the power consumption, or when the pressure reducing expansion work is greater than the boosting power consumption, the mechanical energy is output externally, or when the pressure reducing expansion work is less than the
  • 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 2f, M 1 kg working medium depressurization and expansion process fg, M 1 kg working medium endothermic heating process g5, M 2 kilogram booster working fluid heating process 93, M 2 kilogram refrigerant endothermic heating process 34, M 2 kilogram booster working fluid heating process 45, M 3 kilogram working substance boosting the heating process 56, M 3 67 kilograms of working medium exothermic and cooling process 67, M 3 kilograms of working medium decompression and expansion process 78, M 3 kilograms of working medium exothermic cooling process 89, M 1 kilogram of working medium exothermic condensation process 91—a total of 12 processes.
  • M 1 Endothermic process - M 1 kg working medium carries out two processes of 2f and g5, the endothermic heat in the high temperature section is generally provided by an external heat source, and the endothermic process in the low temperature section is carried out by an external heat source or M 3 kg working medium for the 89 process exothermic (heat recovery) to provide, or jointly by both;
  • M 2 kilogram endothermic working medium during the high temperature section 34 is typically provided by an external heat source, the endothermic low temperature section by an external heat source or by a M 3
  • the high temperature section exothermic (regeneration) of the 89 process is provided by kilograms of working fluid, or provided by the two together; wherein, M 1 kilogram of working fluid is performed in the g5 process and M 2 kilograms of the working fluid is performed in the high-temperature section of the 34 process.
  • Endothermic can also be provided by the low temperature section of the M 3 kg working medium exothermic 67 process.
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or provided by the outside;
  • the boosting process 93 and 45 of M 2 kg working medium , and the boosting process 56 of M 3 kilograms of working fluid is generally completed by a compressor;
  • the depressurization and expansion process 78 of M 3 kilograms of working fluid, and the depressurization and expansion process fg of M 1 kilogram of working fluid are generally completed by an expander ;
  • the buck expansion work is used for the boost power consumption, or when the buck expansion work is greater than the boost power consumption, the mechanical energy is output externally, or when the buck expansion work is smaller than the boost power consumption, the mechanical energy is input from the outside at the same time, forming a second Simplex-like 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 2f, M 1 kg working medium depressurization and expansion process fg, M 1 kg working medium endothermic Heating process g4, M 2 kilograms of working medium pressure rise and temperature rise process 93, M 2 kilograms of working medium endothermic temperature rise process 35, M 1 kilogram of working medium pressure rise and temperature rise process 45, M 3 kilograms of working medium pressure rise and temperature rise process 56, M 3 67 kilograms of working medium exothermic and cooling process 67, M 3 kilograms of working medium decompression and expansion process 78, M 3 kilograms of working medium exothermic cooling process 89, M 1 kilogram of working medium exothermic condensation process 91—a total of 12 processes.
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or provided by the outside; M 1 kg working medium
  • the process fg is generally completed by an expander; the depressurization expansion work is used for the boosting power consumption, or when the depressurizing expansion work is greater than the boosting power consumption and external mechanical energy is simultaneously output, or when the depressurizing expansion work is less than the boosting power consumption At the same time, mechanical energy is input from the outside to form 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 2f, M 1 kg working medium depressurization and expansion process fg, M 1 kg working medium endothermic Heating process g3, M 2 kilograms of working medium pressure rise and temperature rise process c3, 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, X kilograms Working fluid pressure reduction expansion process 67, (M 3 -X) kilogram working fluid exothermic cooling process 68, (M 3 -X) kilogram working fluid pressure reduction expansion process 89, X kilogram working fluid exothermic cooling process 79, M 3 Kg working medium exothermic cooling process 9c, M 1 kg working medium exothermic condensation process c1 - a total of 14 processes.
  • the endothermic heat in the high temperature section is generally provided by an external heat source, and the endothermic heat in the low temperature section is provided by an external heat source or by X 79 kg working fluid exothermic process, (M 3 -X) 9c kg working fluid exothermic process (recuperator) is provided, three or jointly provided by; wherein, M 3 kg for 34 refrigerants
  • the heat absorption in the high temperature section of the process can also be provided by the (M 3 -X) kilogram working medium exothermic 68 process.
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by expansion work or provided externally; M 2 kg working medium
  • the boosting process c3, and The boosting process 45 of M 3 kilograms of working fluid is generally completed by a compressor; the depressurization process of X kilograms of working fluid 67, the depressurization process of (M 3 -X) kilograms of working fluid 89, and the depressurization of M 1 kilogram of working fluid
  • the expansion process fg 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, mechanical energy is simultaneously output to the outside, or the depressurization expansion work is less than the booster power consumption At the same time, mechanical energy is input from the outside to form 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 2f, M 1 kg working medium depressurization and expansion process fg, M 1 kg working medium endothermic Heating process g3, M 1 kg working medium pressure increasing 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, M 2 kg refrigerant boost heating process e7, M 2 kg refrigerant endothermic heating process 78, M 2 kg refrigerant boost heating process 89, M 2 kg refrigerant heat cooling process 9c, M 2 kg refrigerant expansion buck Process cd, M 3 kg working medium exothermic cooling process de, M 1 kg working medium exothermic condensation process e1 - a total of 15 processes.
  • the endothermic heat in the high temperature section is generally provided by an external heat source, and the endothermic heat in the low temperature section is provided by an external heat source or It is provided by the combined heat release (regeneration) of the M 1 kg working medium into the 6d process and the M 3 kg working medium in the de process, or provided by both; wherein—M 1 kg working medium is carried out in the high temperature section of the g3 process
  • the endothermic heat of 45 can also be provided by the low temperature section of the process of exothermic 45; the endotherm of M 2 kg working medium in the high temperature section of the process of 78 can also be provided by the low temperature section of the process of exothermic 9c.
  • 3Energy conversion process - the boosting process 12 of M 1 kg working medium is 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 boosting process e7 and 89 of the M 2 kg working medium and M 1 kilogram of working fluid boosting process 34, is generally accomplished by the compressor;
  • 56 is, M 1 kilogram refrigerant expansion process down fg, and M 2 kilogram drop of the working medium M 1 kilogram of working fluid depressurisation
  • the pressure process cd is generally completed by the expander; the pressure reduction expansion work is used for the boost power consumption, or the pressure reduction expansion work is greater than the pressure boost power consumption and the external mechanical energy is output at the same time, or the pressure reduction expansion work is smaller than the pressure boost power consumption At the same time, mechanical energy is input from the outside to form 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 is mixed with M kg superheated steam, endothermic heating process 2b, (M 1 +M) kg working medium endothermic heating, vaporization and superheating Process bf, (M 1 +M) kilogram working fluid pressure reduction and expansion fg, (M 1 +M) kilogram working fluid endothermic heating process g3, M 2 kilogram working fluid pressure boosting and heating process 8a, M kilogram working fluid and M 1 Kilogram working medium mixing exothermic condensation process ab, (M 2 -M) kilogram working medium pressure boosting heating process a3, M 3 kilogram working medium endothermic heating process 34, M 3 kilogram working medium pressure boosting heating process 45, M 3 kilogram Working fluid exothermic cooling process 56, M 3 kg working fluid decompression and expansion process 67, M 3 kg working fluid exothermic cooling process 78, M 1 kg working fluid exothermic condensation process 81—a total of 14 processes.
  • M 1 Endothermic process the endothermic heat of M 1 kg working medium for 2b process comes from the mixing exotherm of M kg superheated steam, (M 1 +M) kg working medium for bf, g3 two processes and M 3 kg working medium for two processes 34 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 by the exothermic heat (regeneration) of the 78 process carried out by M 3 kg working medium, or provided by both. ;
  • M 3 kg working medium carries out the heat absorption of the high temperature section of the 34 process, and can also be provided by the low temperature section of its exothermic 56 process.
  • M 1 kilogram booster working fluid 12 is generally accomplished by the process of the circulation pump, the circulation pump power consumption of expansion work may be provided or supplied externally;
  • M 2 kilogram working fluid boosting process and 8a ( M 2 -M) the boosting process a3 of the kilogram working fluid, and the boosting process 45 of the M 3 kilogram working fluid, are generally completed by the compressor;
  • the mass depressurization and expansion process fg is generally completed by an expander; the depressurization expansion work is used for the boosting power consumption, or when the depressurizing expansion work is greater than the boosting power consumption, the external mechanical energy is output at the same time, or the depressurizing expansion work is smaller than the boosting power consumption.
  • the pressure is consumed, mechanical energy is input from the outside at the same time, forming the second type of single working medium combined cycle.
  • 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 bf, (M 1 +M) kilogram working fluid pressure reduction and expansion fg, (M 1 +M) kilogram working fluid endothermic heating process g5, M 2 kilogram working fluid pressure boosting and heating process 9a, M kilogram working fluid and M Mixing exothermic condensation process ab of 1 kilogram of working fluid, (M 2 -M) kilogram working fluid pressure boosting and heating process a3, (M 2 -M) kilogram working fluid endothermic heating process 34, (M 2 -M) kilogram working fluid Mass boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic cooling process 67, M 3 kg working fluid decompression and expansion process 78, M 3 kg working fluid exothermic cooling process 89 , M 1 kg working medium ex
  • the endothermic heat of M 1 kg working medium for 2b process comes from the mixed exothermic heat of M kg superheated steam, and (M 1 +M) kg working medium undergoes two processes of bf and g5, and the endothermic heat in the high temperature section It is generally provided by an external heat source, and the endothermic heat in the low temperature section is provided by an external heat source or by the exothermic (return heat) of the 89 process performed by M 3 kg working medium, or provided by both; (M 2 -M) kg
  • the endothermic heat in the high temperature section of the 34 process with the working medium is generally provided by an external heat source, and the endothermic heat in the low temperature section is provided by an external heat source or by the exotherm (regeneration) of the high temperature section of the 89 process carried out by M 3 kg working medium, or by two.
  • (M 1 +M) kilogram working fluid performs the g5 process and (M 2 -M) kilogram working fluid performs heat absorption in the high temperature section of the 34 process, and can also be exothermic by the M 3 kilogram working fluid in the 67 process. Low temperature section to provide.
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the depressurization and expansion process fg of kilogram working medium is generally completed by an expander; the depressurization expansion work is used for the boosting power consumption, or when the depressurizing expansion work is greater than the boosting power consumption, the external mechanical energy is output at the same time, or the depressurizing expansion work
  • the power consumption is less than the boosting 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—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 bf, (M 1 +M) kilogram working fluid pressure reduction and expansion fg, (M 1 +M) kilogram working fluid endothermic heating process g4, M 2 kilogram working fluid pressure boosting and heating process 9a, M kilogram working fluid and M Mixing exothermic condensation process ab of 1 kilogram of working fluid, (M 2 -M) kilogram of working fluid pressure boosting and heating process a3, (M 2 -M) kilogram of working fluid endothermic heating process 35, (M 1 +M) kilogram of working fluid Mass boosting and heating process 45, M 3 kg working fluid boosting and heating process 56, M 3 kg working fluid exothermic cooling process 67, M 3 kg working fluid decompression and expansion process 78, M 3 kg working fluid exothermic cooling process 89 , M 1 kg working
  • the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the boosting process 56 of the kilogram working fluid is generally completed by the compressor;
  • the depressurization and expansion process 78 of kilograms of working fluid, and the depressurization and expansion process fg of M 1 kilogram of working fluid are generally completed by an expander;
  • 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 bf, (M 1 +M) kilogram working fluid pressure reduction and expansion fg, (M 1 +M) kilogram working fluid endothermic heating process g3, M 2 kilogram working fluid pressure boosting and heating process ca, M kilogram working fluid and M Mixing exothermic condensation process ab of 1 kilogram of working fluid, (M 2 -M) kilogram of working fluid pressure-increasing and heating process a3, M 3 kilograms of working fluid endothermic heating process 34, M 3 kilograms of working fluid pressure-boosting and heating process 45, M 3 kilograms of working fluid exothermic cooling process 56, X kilograms of working fluid depressurization and expansion process 67, (M 3 -X) kilograms of working fluid exothermic cooling process 68, (M 3 -X) kilograms of
  • M 1 Endothermic process - the endothermic heat of M 1 kg working medium for 2b process comes from the mixing exotherm of M kg superheated steam, (M 1 +M) kg working medium for bf, g3 two processes and M 3 kg working medium for two processes 34 process, the endothermic high temperature sections typically provided by an external heat source, the exothermic endothermic low temperature section 79 of a process working fluid X kg or by an external heat source, M 3 kg refrigerant 9c exothermic process (heat recovery ) to provide, or provided by the three together; wherein, M 3 kilograms of working medium endothermic in the high temperature section of the 34 process can also be provided by (M 3 -X) kilograms of working medium exothermic 68 process.
  • M 1 kilogram booster working fluid 12 is generally accomplished by the process of the circulation pump, the circulation pump power consumption of expansion work may be provided or supplied externally;
  • M 2 kilogram working fluid boosting process and ca M 2 -M) the boosting process a3 of the kilogram working fluid, and the boosting process 45 of the M 3 kilogram working fluid are generally completed by the compressor;
  • the qualitative decompression process 89 , and the decompression and expansion process fg of M 1 kg working medium are generally completed by the 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.
  • 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 bf, (M 1 +M) kilogram working fluid pressure reduction and expansion fg, (M 1 +M) kilogram working fluid endothermic heating process g3, (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 depressurization and expansion process 56, (M 1 +M) kilogram working fluid exothermic cooling process 6d, M 2 kilogram working fluid boosting pressure Heating process ea, mixing exothermic condensation process ab of M kg working fluid and M 1 kg working fluid, (M 2 -M) kg working fluid pressure increasing process a7, (M 2 -M) kg working fluid endothermic heating process 78, (M 2 -M) kilogram working fluid pressure rise
  • (M 1 +M) kilogram working medium carries out the absorption of heat in the high temperature section of the g3 process, which can also be provided by the low temperature section of the exothermic 45 process; (M 2 -M) kilogram working medium carries out the absorption of the high temperature section of the 78 process Heat can also be provided by the low temperature section of its exothermic 9c process.
  • Energy conversion process - the boosting process 12 of M 1 kg working medium is generally completed by a circulating pump, and the power consumption of the circulating pump can be provided by the expansion work or provided by the outside;
  • the buck expansion work is used for the boost power consumption, or when the buck expansion work is greater than the boost power consumption, the mechanical energy is output externally, or when the buck expansion work is smaller than the boost power consumption, the mechanical energy is input from the outside at the same time, forming the first step.
  • Class II single working fluid combined cycle
  • 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 range for realizing temperature difference utilization is expanded, which is beneficial to better realize the efficient heat 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)

Abstract

L'invention concerne un second type de cycle combiné à milieu de travail unique, se rapportant au domaine technique de la thermodynamique et des pompes à chaleur. Le second type de cycle combiné à milieu de travail unique comprend un processus fermé consistant en onze processus effectués respectivement ou conjointement par un milieu de travail constitué de M1 kg de milieu de travail et de M2 kg de milieu de travail : un processus d'amplification de pression 12 de M1 kg de milieu de travail, un processus de vaporisation endothermique 2f de M1 kg de milieu de travail, un processus de réduction de pression fg de M1 kg de milieu de travail, un processus endothermique g3 de M1 kg de milieu de travail, un processus d'amplification de pression 83 de M2 kg de milieu de travail, un processus endothermique 34 de M3 kg de milieu de travail, un processus d'amplification de pression 45 de M3 kg de milieu de travail, un processus exothermique 56 de M3 kg de milieu de travail, un processus de réduction de pression 67 de M3 kg de milieu de travail, un processus exothermique 78 de M3 kg de milieu de travail, et un processus de condensation exothermique 81 de M1 kg de milieu de travail, M3 représentant la somme de M1 et M2.
PCT/CN2021/000133 2020-06-28 2021-06-28 Second type de cycle combiné à milieu de travail unique WO2022001076A1 (fr)

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EP2009369A1 (fr) * 2006-04-11 2008-12-31 Gree Electric Appliances, Inc. Of Zhuhai Système de conditionnement d'air à pompe thermique, système frigorifique à éjection de vapeur et procédé de commande associé
EP2765281A1 (fr) * 2013-02-07 2014-08-13 Ingenieria I Mas D-Tec Ratio, S.L. Appareil de cycle de Rankine
CN103998874A (zh) * 2011-12-19 2014-08-20 丰田自动车株式会社 冷却装置
EP3081770A1 (fr) * 2015-04-17 2016-10-19 Siemens Aktiengesellschaft Système et procédé de stockage d'énergie
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
KR101968517B1 (ko) * 2017-09-04 2019-04-15 한국해양과학기술원 이젝터 결합형 증기압축식 냉방 온도차발전 듀얼시스템
CN110631274A (zh) * 2019-08-24 2019-12-31 李华玉 第二类多向热力循环

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Publication number Priority date Publication date Assignee Title
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
CN1818509A (zh) * 2006-03-09 2006-08-16 西安交通大学 一种蒸气喷射式制冷循环系统
EP2009369A1 (fr) * 2006-04-11 2008-12-31 Gree Electric Appliances, Inc. Of Zhuhai Système de conditionnement d'air à pompe thermique, système frigorifique à éjection de vapeur et procédé de commande associé
CN103998874A (zh) * 2011-12-19 2014-08-20 丰田自动车株式会社 冷却装置
EP2765281A1 (fr) * 2013-02-07 2014-08-13 Ingenieria I Mas D-Tec Ratio, S.L. Appareil de cycle de Rankine
EP3081770A1 (fr) * 2015-04-17 2016-10-19 Siemens Aktiengesellschaft Système et procédé de stockage d'énergie
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
KR101968517B1 (ko) * 2017-09-04 2019-04-15 한국해양과학기술원 이젝터 결합형 증기압축식 냉방 온도차발전 듀얼시스템
CN110631274A (zh) * 2019-08-24 2019-12-31 李华玉 第二类多向热力循环

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