CN113587480A - Combined cycle of single working medium of the second kind - Google Patents

Combined cycle of single working medium of the second kind Download PDF

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Publication number
CN113587480A
CN113587480A CN202110765868.0A CN202110765868A CN113587480A CN 113587480 A CN113587480 A CN 113587480A CN 202110765868 A CN202110765868 A CN 202110765868A CN 113587480 A CN113587480 A CN 113587480A
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working medium
kilogram
kilogram working
heat
heat release
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李鸿瑞
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

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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

The invention provides a second single-working-medium combined cycle, belonging to the technical field of thermodynamics and heat pumps. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, eleven processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M2Kilogram working medium pressure rising process 83, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56, M of kilogram working medium3Decompression process with kilogram working medium 67, M378, M, kilogram working medium heat release process1Kilogram working medium heat release condensation process 81-a closed process of composition; wherein M is3Is M1And M2And (4) summing.

Description

Combined cycle of single working medium of the second kind
The technical field is as follows:
the invention belongs to the technical field of thermodynamics and heating.
Background art:
cold, heat and power requirements are common in human life and production; people often need to utilize high temperature heat energy to achieve refrigeration, heat supply or power conversion. In the process of achieving the above purpose, various conditions are faced, 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 flow, structure and manufacturing cost of the equipment, and the like.
In a thermal science basic theory system, the establishment, development and application of thermodynamic cycle play an important role in scientific production and scientific utilization of energy, and social progress and productivity development are actively promoted. The invention aims at the temperature-changing type medium-temperature heat resource and high-temperature heat demand, also considers the simultaneous utilization of power drive or the consideration of power demand, and provides a second type of single-working-medium combined cycle which mainly adopts a phase-changing process or a phase-changing process to realize low-temperature heat release, mainly adopts a temperature-changing process or a temperature-changing process to realize medium-temperature heat absorption, flexibly adapts to a high-temperature heat source, and adopts the temperature-changing process to realize high-temperature heat supply.
The invention content is as follows:
the invention mainly aims to provide a second type of single-working-medium combined cycle, and the specific invention contents are explained in terms as follows:
1. the second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, eleven processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M2Kilogram working medium pressure rising process 83, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56, M of kilogram working medium3Decompression process with kilogram working medium 67, M378, M, kilogram working medium heat release process1Kilogram working medium heat release condensation process 81-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
2. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilograms of composition, twelve processes carried out separately or together-M1Step-up process of working medium kilogram 12, M2Kilogram working medium boosting process 93, M234, M kilogram working medium heat absorption process1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g5, M245, M kilogram working medium pressure increasing process356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
3. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilograms of composition, twelve processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g4, M2Kilogram working medium boosting process 93, M235, M kilogram working medium heat absorption process145, M kilogram working medium pressure increasing process356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
4. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fourteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M2Kilogram working medium boosting process c3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56 of kilogram working medium, pressure reduction process 67 of X kilogram working medium, (M)3-X) kilogram working medium exothermic process 68, (M)3-X) decompression of 89 kg of working medium, heat release of 79, M of X kg of working medium3Kilogram working medium heat release process 9c, M1C 1-formation of heat-releasing condensation process of kilogram working mediumA closing process; wherein M is3Is M1And M2And (4) summing.
5. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fifteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M1Step-up process 34, M of kilogram working medium145, M kilogram working medium heat release process1The kilogram working medium is reduced in pressure by 56, M1Heat release process of kilogram working medium 6d, M2Kilogram working medium pressure increasing process e7, M278, M, kilogram working medium heat absorption process2Kilogram working medium boosting process 89, M2Kilogram working medium heat release process 9c, M2The blood pressure lowering process cd, M with kilogram working medium3De, M in kilogram working medium heat release process1Kilogram working medium exothermal condensation process e 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
6. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fourteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g3, M28a in kilogram working medium boosting process, ab in M kilogram working medium heat releasing condensation process, (M)2M) kilogram working medium pressure rise process a3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56, M of kilogram working medium3Decompression process with kilogram working medium 67, M378, M, kilogram working medium heat release process1Kilogram working medium heat release condensation process 81-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
7. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium in kilogram composition, fifteen passages separately or togetherstroke-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, M2Kilogram working medium boosting process 9a, M kilogram working medium heat release condensation process ab, (M)2M) kilogram working medium pressure increasing process a3, (M)2-M) kilogram working medium endothermic process 34, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g5, (M)2-M) kilogram working medium pressure boosting process 45, M356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
8. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fifteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, M2Kilogram working medium boosting process 9a, M kilogram working medium heat release condensation process ab, (M)2M) kilogram working medium pressure increasing process a3, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic processg4，(M2-M) kilogram working medium endothermic process 35, (M)1+ M) kilogram working medium boosting process 45, M356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
9. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Seventeen processes-M carried out separately or together by kilogram of working media1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram toolsMass decompression Process fg, (M)1+ M) kilogram working medium endothermic process g3, M2Kilogram working medium boosting process ca, M kilogram working medium heat releasing condensation process ab, (M)2M) kilogram working medium pressure rise process a3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56 of kilogram working medium, pressure reduction process 67 of X kilogram working medium, (M)3-X) kilogram working medium exothermic process 68, (M)3-X) decompression of 89 kg of working medium, heat release of 79, M of X kg of working medium3Kilogram working medium heat release process 9c, M1Kilogram working medium exothermal condensation process c 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
10. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Eighteen processes-M carried out separately or together by kilogram of working media1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g3, (M)1+ M) kilogram working medium pressure increasing process 34, (M)1+ M) kilogram working medium exothermic process 45, (M)1+ M) kilogram working medium depressurizes 56, (M)1+ M) kilogram working medium exothermic process 6d, M2Kilogram working medium pressure increasing process ea, M kilogram working medium heat releasing condensation process ab, (M)2M) kilogram working medium pressure increasing process a7, (M)2-M) kilogram working medium endothermic Process 78, (M)2-M) kilogram working medium pressure boosting Process 89, (M)2M) kilogram working medium exothermic Process 9c, (M)2-M) kilogram working medium depressurization Process cd, M3De, M in kilogram working medium heat release process1Kilogram working medium exothermal condensation process e 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
Description of the drawings:
FIG. 1 is a schematic diagram of a second type of single-working-medium combined cycle 1 according to the present invention.
FIG. 2 is an exemplary diagram of a second type of principle flow scheme for a single-working-medium combined cycle, 2, according to the present invention.
FIG. 3 is an exemplary diagram of a3 rd principle process of a second type of single-working-medium combined cycle according to the present invention.
FIG. 4 is a diagram illustrating a 4 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
FIG. 5 is an exemplary diagram of a 5 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
FIG. 6 is an exemplary diagram of a second type of combined single-working-medium cycle type 6 principle process provided by the present invention.
FIG. 7 is a diagram illustrating an example of a7 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
FIG. 8 is an exemplary diagram of a 8 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
FIG. 9 is a diagram illustrating an exemplary 9 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
FIG. 10 is a diagram illustrating an exemplary 10 th principle flow of a second type of single-working-medium combined cycle according to the present invention.
The specific implementation mode is as follows:
it should be noted that, in terms of the expression of the structure and the flow, the description is not repeated if necessary, and the obvious flow is not expressed; in each of the following examples, M3Is M1And M2Summing; the invention is described in detail below with reference to the figures and examples.
The second type of single-working-medium combined cycle example in the T-s diagram of fig. 1 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M12f, M of kilogram working medium heat absorption temperature rise, vaporization and overheating process1Decompression expansion process fg, M of kilogram working medium1Kilogram working medium heat absorption temperature rise process g3, M2Kilogram working medium pressure-rising and temperature-rising process 83, M334, M kilogram working medium heat absorption temperature rise process345, M kilogram working medium pressure rising and temperature rising process3Kilogram working medium heat release coolingProcess 56, M3Decompression expansion process of kilogram working medium 67, M378, M kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process 81-11 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1Carrying out two processes of 2f and g3 and M by kilogram working medium3The 34 process is carried out by kilogram working medium, 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 the external heat source or by M3The heat release (back heat) of 78 processes is carried out by kg of working medium, or the heat release and the back heat are supplied together; wherein M is3The kilogram of working medium absorbs heat in the high-temperature section of the 34 process and can also be provided by the low-temperature section of the heat release 56 process.
② exothermic process-M3Heat release is carried out on kilograms of working media in the 56 process, corresponding heat requirements are met, and heat release at a low-temperature section can be used for heat absorption (heat return) at a high-temperature section in the 34 process; m3Kilogram working medium carries out heat release in the 78 process, can release heat to the cooling medium, or is used for absorbing heat demand of other processes of combined cycle partially or totally, the useless part is released to the low-temperature heat source (environment); m1The heat release of 81 kg working medium is carried out, and is generally released to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting process 83 of kilogram of working medium, and M3The boosting process 45 of kilogram working media is generally completed by a compressor; m3Decompression expansion process 67 of kilogram working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 2 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M12f, M of kilogram working medium heat absorption temperature rise, vaporization and overheating process1Decompression expansion process fg, M of kilogram working medium1Kilogram working medium heat absorption temperature rise process g5, M2Kilogram working medium pressure-rising and temperature-rising process 93, M234, M kilogram working medium heat absorption temperature rise process245, M kilogram working medium pressure rising and temperature rising process356, M kilogram working medium pressure rising and temperature rising process3Heat release and temperature reduction process 67, M of kilogram working medium3Decompression expansion process 78, M with kilogram working medium389, M kilogram working medium heat release and temperature reduction process1And the kilogram working medium releases heat and is condensed 91-12 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1Kilogram working medium is used for carrying out two processes of 2f and g5, 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 the external heat source or M3The heat release (heat return) of 89 processes is carried out for one kilogram of working media, or the heat release and the heat return are provided together; m2The heat absorption of the high-temperature section in the 34-kilogram process 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 by the M3The heat release (back heat) of the high-temperature section of the 89 process is carried out by kilogram of working media, or the heat release and the back heat are provided by the two together; wherein M is1G5 Process and M with kg working substance2The kilogram working medium absorbs heat in the high-temperature section of the 34 process and can be absorbed by M3The kilogram of working fluid releases heat 67 to provide the low temperature section of the process.
② exothermic process-M3The kilogram working medium carries out heat release in the 67 processes, corresponding heat requirements are met by providing heat to the outside, and the low-temperature section of the working medium releases heat or can be used for M1G5 Process and M with kg working substance2Absorbing heat in a high-temperature section in the 34 process by kilogram working media; m3Kilogram working medium carries out heat release in the 89 process, can release heat to a cooling medium, or is partially or completely used for heat absorption requirements of other processes of combined cycle, and useless parts are released to a low-temperature heat source (environment); m1The kilogram working medium releases heat in the process of 91 and generally releases heat to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting processes 93 and 45 of kilogram working medium, and M3The boosting process 56 of kilogram working medium is generally completed by a compressor; m3Decompression expansion process 78 of kilogram of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of simplex-tandem cycle example in the T-s diagram of FIG. 3 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M12f, M of kilogram working medium heat absorption temperature rise, vaporization and overheating process1Decompression expansion process fg, M of kilogram working medium1Kilogram working medium heat absorption temperature rise process g4, M2Kilogram working medium pressure-rising and temperature-rising process 93, M235, M kilogram working medium heat absorption temperature rise process145, M kilogram working medium pressure rising and temperature rising process356, M kilogram working medium pressure rising and temperature rising process3Heat release and temperature reduction process 67, M of kilogram working medium3Decompression expansion process 78, M with kilogram working medium389, M kilogram working medium heat release and temperature reduction process1And the kilogram working medium releases heat and is condensed 91-12 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1Kilogram working medium is used for carrying out two processes of 2f and g4, 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 the external heat source or M3The heat release (heat return) of 89 processes is carried out for one kilogram of working media, or the heat release and the heat return are provided together; m2The heat absorption of 35 kg working medium is provided by external heat source, and part of low-temperature section absorbs heat or M3Heat release (heat return) of 89 processes is carried out by kilogram working media) To provide; wherein M is1G4 Process and M with kg working substance2The kilogram working medium absorbs heat in the high-temperature section of the 35 process and can be absorbed by M3The kilogram of working fluid releases heat 67 to provide the low temperature section of the process.
② exothermic process-M3The kilogram working medium carries out heat release in the 67 processes, corresponding heat requirements are met by providing heat to the outside, and the low-temperature section of the working medium releases heat or can be used for M1G4 Process and M with kg working substance2Absorbing heat in a high-temperature section in the 35-kilogram process by kilogram working media; m3Kilogram working medium carries out heat release in the 89 process, can release heat to a cooling medium, or is partially or completely used for heat absorption requirements of other processes of combined cycle, and useless parts are released to a low-temperature heat source (environment); m1The kilogram working medium releases heat in the process of 91 and generally releases heat to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m145, M step-up process of kilogram working medium2Boosting process 93 of kilogram working medium, and M3The boosting process 56 of kilogram working medium is generally completed by a compressor; m3Decompression expansion process 78 of kilogram of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of simplex-tandem cycle example in the T-s diagram of FIG. 4 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M12f, M of kilogram working medium heat absorption temperature rise, vaporization and overheating process1Decompression expansion process fg, M of kilogram working medium1Kilogram working medium heat absorption temperature rise process g3, M2Kilogram working medium pressure-raising and temperature-raising process c3, M334, M kilogram working medium heat absorption temperature rise process345, M kilogram working medium pressure rising and temperature rising process3A kilogram working medium heat release and temperature reduction process 56, an X kilogram working medium decompression and expansion process 67, (M)3-X) kilogram working medium exothermic cooling process 68, (M)3-X) decompression expansion process 89 of kilogram working medium, heat release and temperature reduction process 79, M of X kilogram working medium39c, M in kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process c 1-14 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1Carrying out two processes of 2f and g3 and M by kilogram working medium334 kg working medium is used for carrying out 34 processes, the heat absorption of the high-temperature section is generally provided by an external heat source, the heat absorption of the low-temperature section is carried out by the external heat source or X kg working medium for carrying out 79 processes, and (M) is3X) one kilogram of working medium is provided by heat release (recuperation) of the 9c process, or by the three together; wherein M is3The kilogram working medium absorbs heat in the high temperature section of the 34 process, and can also absorb heat in the high temperature section of the process from (M)3X) kg of working medium is provided by the exothermic 68 process.
② exothermic process-M356 process heat release sum (M) per kilogram of working medium3X) one kilogram of working medium is subjected to heat release of 68 processes, corresponding heat requirements are met, and heat release at a low-temperature section is available or heat absorption (heat return) at a high-temperature section of 34 processes is available; heat release M of 79 process carried out by X kilogram working medium3Kilogram working medium carries out heat release in the 9c process, can release to the cooling medium, or some or all are used for the heat absorption requirement of other processes of combined cycle, the useless part releases to the low-temperature heat source (environment); m1The kilogram of working medium releases heat in the c1 process, and the heat is generally released to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting process c3 of kilogram working medium, and M3The kilogram working medium pressure rise process 45 is generally completed by a compressor; depressurization 67 of X kg of working substance, (M)3-X) depressurization 89 of kg of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; function of decompression and expansionWhen the boosting power consumption, or the decompression expansion work is larger than the boosting power consumption, mechanical energy is output externally, or when the decompression expansion work is smaller than the boosting power consumption, mechanical energy is input externally, and a second type of single-working-medium combined cycle is formed.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 5 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M12f, M of kilogram working medium heat absorption temperature rise, vaporization and overheating process1Decompression expansion process fg, M of kilogram working medium1Kilogram working medium heat absorption temperature rise process g3, M134, M kilogram working medium pressure and temperature rising process145, M kilogram working medium heat release and temperature reduction process1Decompression expansion process 56, M of kilogram working medium1Kilogram working medium heat release and temperature reduction process 6d, M2Kilogram working medium pressure-raising and temperature-raising process e7, M278, M kilogram working medium heat absorption temperature rise process2Step-up and temperature-rise process 89, M of kilogram working medium29c, M in kilogram working medium heat release and temperature reduction process2Decompression expansion process cd, M with kilogram working medium3De, M in kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process e 1-15 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1Carrying out two processes of 2f and g3 and M by kilogram working medium278 process is carried out by kilogram working medium, heat absorption of high-temperature section is generally provided by external heat source, heat absorption of low-temperature section is provided by external heat source or by M1Kilogram working medium enters 6d process and M3The joint heat release (heat regeneration) of de process is carried out by kilogram of working media, or the joint heat release (heat regeneration) is provided by the two; wherein-M1Kilogram working medium absorbs heat in the high-temperature section of the g3 process and can also be provided by the low-temperature section of the g3 process; m2The kilogram working medium absorbs heat in the high-temperature section of the process of 78 c and can also be provided by the low-temperature section of the heat release process of 9 c.
② exothermic process-M1The kilogram working medium releases heat in the 45 processes, and provides heat to the outside to meet corresponding heat requirements, wherein the low-temperature sectionExothermic or can be used for absorbing heat (regenerative) in the high-temperature section of the g3 process; m2In the kilogram working medium heat release and temperature reduction process 9c, corresponding heat requirements are met, wherein heat is released in a low-temperature section or can be used for absorbing heat (backheating) in a high-temperature section in the 78 process; m1Heat release and M of 6d process carried out by kilogram working medium3Kilogram working medium carries out heat release in de process, can release to the cooling medium, or part or most is used for absorbing heat demand of other processes of combined cycle, the useless part releases to the low-temperature heat source (environment); m1The kilogram working medium carries out the heat release of the e1 process and generally releases the heat to a low-temperature heat source.
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting processes e7 and 89 of kilogram working medium, and M1The boosting process 34 of kilogram working medium is generally completed by a compressor; m1Depressurization of working medium kilogram 56, M1Decompression expansion process fg of kilogram working medium, and M2The decompression process cd of kilogram working medium is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 6 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M1Kilogram working medium and M kilogram superheated steam mixing heat absorption temperature rise process 2b, (M)1+ M) kilogram working medium absorbs heat to raise temperature, vaporize and overheat bf1+ M kilogram working medium decompression expansion fg, (M)1+ M) kilogram working medium endothermic temperature rise process g3, M2Boosting and heating process of kilogram working medium 8a, M kilogram working medium and M1Kilogram working medium mixing heat release condensation process ab, (M)2M) kilogram working medium pressure and temperature rising process a3, M334, M kilogram working medium heat absorption temperature rise process3Boosting and heating kilogram working mediumProcess 45, M356, M kilogram working medium heat release and temperature reduction process3Decompression expansion process of kilogram working medium 67, M378, M kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process 81-14 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1The heat absorption of the kilogram working medium in the 2b process comes from the mixed heat release of M kilograms of superheated steam, (M)1+ M) kg working medium to perform bf and g3 and M3The 34 process is carried out by kilogram working medium, 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 the external heat source or by M3The heat release (back heat) of 78 processes is carried out by kg of working medium, or the heat release and the back heat are supplied together; wherein M is3The kilogram of working medium absorbs heat in the high-temperature section of the 34 process and can also be provided by the low-temperature section of the heat release 56 process.
② exothermic process-M3Heat release is carried out on kilograms of working media in the 56 process, corresponding heat requirements are met, and heat release at a low-temperature section can be used for heat absorption (heat return) at a high-temperature section in the 34 process; m3Kilogram working medium carries out heat release in the 78 process, can release heat to the cooling medium, or is used for absorbing heat demand of other processes of combined cycle partially or totally, the useless part is released to the low-temperature heat source (environment); m1The heat release of 81 kg working medium is carried out, and is generally released to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting process 8a and (M) of kilogram working medium2M) boosting process a3 of kg working medium, and M3The boosting process 45 of kilogram working media is generally completed by a compressor; m3Decompression expansion process 67 of kilogram working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the decompression expansion is used for boosting the power consumption, or the mechanical energy is output when the work of the decompression expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the decompression expansion is smaller than the power consumption of boosting the power, so that a second type of simplex is formedAnd (4) a combined cycle.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 7 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M1Mixing heat absorption temperature rise process 2b of kilogram working medium and M kilogram working medium, (M)1+ M) kilogram working medium absorbs heat to raise temperature, vaporize and overheat bf1+ M kilogram working medium decompression expansion fg, (M)1+ M) kilogram working medium endothermic temperature rise process g5, M2Boosting and temperature rising process of kilogram working medium 9a, M kilogram working medium and M1Ab (M) of the condensation process of the heat released by the mixture of kilograms of working medium2-M) kilogram working medium pressure and temperature rising process a3, (M)2-M) kilogram working medium endothermic heating process 34, (M)2-M) 45, M) kilogram working medium pressure and temperature rise process356, M kilogram working medium pressure rising and temperature rising process3Heat release and temperature reduction process 67, M of kilogram working medium3Decompression expansion process 78, M with kilogram working medium389, M kilogram working medium heat release and temperature reduction process1And the kilogram working medium releases heat and is condensed 91-15 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1The heat absorption of the kilogram working medium in the 2b process comes from the mixed heat release of M kilograms of superheated steam, (M)1+ M) kilogram working medium to proceed bf and g5, the heat absorption of high temperature section is generally provided by external heat source, the heat absorption of low temperature section is provided by external heat source or by M3The heat release (heat return) of 89 processes is carried out for one kilogram of working media, or the heat release and the heat return are provided together; (M)2M) Heat absorption in the high temperature section of the 34 process by kg of working fluid is generally provided by an external heat source, and the heat absorption in the low temperature section is provided by the external heat source or by M3The heat release (back heat) of the high-temperature section of the 89 process is carried out by kilogram of working media, or the heat release and the back heat are provided by the two together; wherein (M)1+ M) kg working medium for the g5 process and (M)2M) kg of working medium for the high-temperature section of the 34 process, and M3The kilogram of working fluid releases heat 67 to provide the low temperature section of the process.
② exothermic process-M3The kilogram working medium carries out heat release of 67 processes, corresponding heat requirements are met by providing heat to the outside, and the low-temperature section of the working medium releases heat or can be used for (M)1+ M) kg working medium for the g5 process and (M)2-M) taking 34 kg of working medium for high temperature section heat absorption; m3Kilogram working medium carries out heat release in the 89 process, can release heat to a cooling medium, or is partially or completely used for heat absorption requirements of other processes of combined cycle, and useless parts are released to a low-temperature heat source (environment); m1The kilogram working medium releases heat in the process of 91 and generally releases heat to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Step-up process 9a (M) with kg of working medium2M) boosting processes a3 and 45 of kg working medium, and M3The boosting process 56 of kilogram working medium is generally completed by a compressor; m3Decompression expansion process 78 of kilogram of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
T-sThe second type of simplex-working-medium combined cycle example in the figure is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M1Mixing heat absorption temperature rise process 2b of kilogram working medium and M kilogram working medium, (M)1+ M) kilogram working medium absorbs heat to raise temperature, vaporize and overheat bf1+ M kilogram working medium decompression expansion fg, (M)1+ M) kilogram working medium endothermic temperature rise process g4, M2Boosting and temperature rising process of kilogram working medium 9a, M kilogram working medium and M1Ab (M) of the condensation process of the heat released by the mixture of kilograms of working medium2-M) kilogram working medium pressure and temperature rising process a3, (M)2-M) Heat absorption temperature increase Process 35 with kilogram working Medium (M)1+ M) kilogram working medium pressure-raising and temperature-raising process45，M356, M kilogram working medium pressure rising and temperature rising process3Heat release and temperature reduction process 67, M of kilogram working medium3Decompression expansion process 78, M with kilogram working medium389, M kilogram working medium heat release and temperature reduction process1And the kilogram working medium releases heat and is condensed 91-15 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1The heat absorption of the kilogram working medium in the 2b process comes from the mixed heat release of M kilograms of superheated steam, (M)1+ M) kilogram working medium to proceed bf and g4, the heat absorption of high temperature section is generally provided by external heat source, the heat absorption of low temperature section is provided by external heat source or by M3The heat release (heat return) of 89 processes is carried out for one kilogram of working media, or the heat release and the heat return are provided together; (M)2M) Heat absorption for 35 processes with kg of working fluid is generally provided by an external heat source, part of the low-temperature section absorbs heat or M3The kilogram of working medium is provided by heat release (heat return) of 89 processes; wherein (M)1+ M) kg working medium for the g4 process and (M)2M) kilogram working medium to absorb heat in the high-temperature section of 35 processes, and M can also absorb heat3The kilogram of working fluid releases heat 67 to provide the low temperature section of the process.
② exothermic process-M3The kilogram working medium carries out heat release of 67 processes, corresponding heat requirements are met by providing heat to the outside, and the low-temperature section of the working medium releases heat or can be used for (M)1+ M) kg working medium for the g4 process and (M)2-M) taking 35 kg of working substance for high temperature section heat absorption; m3Kilogram working medium carries out heat release in the 89 process, can release heat to a cooling medium, or is partially or completely used for heat absorption requirements of other processes of combined cycle, and useless parts are released to a low-temperature heat source (environment); m1The kilogram working medium releases heat in the process of 91 and generally releases heat to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Step-up process 9a (M) with kg of working medium2M) boosting Process a3 with kilograms of working fluid, (M)1+ M) boosting process 45 of kg working medium, and M3Pressure rise of kilogram working mediumStage 56, typically accomplished by a compressor; m3Decompression expansion process 78 of kilogram of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 9 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M1Mixing heat absorption temperature rise process 2b of kilogram working medium and M kilogram working medium, (M)1+ M) kilogram working medium absorbs heat to raise temperature, vaporize and overheat bf1+ M kilogram working medium decompression expansion fg, (M)1+ M) kilogram working medium endothermic temperature rise process g3, M2Boosting and heating process of kilogram working medium ca, M kilogram working medium and M1Ab (M) of the condensation process of the heat released by the mixture of kilograms of working medium2M) kilogram working medium pressure and temperature rising process a3, M334, M kilogram working medium heat absorption temperature rise process345, M kilogram working medium pressure rising and temperature rising process3A kilogram working medium heat release and temperature reduction process 56, an X kilogram working medium decompression and expansion process 67, (M)3-X) kilogram working medium exothermic cooling process 68, (M)3-X) decompression expansion process 89 of kilogram working medium, heat release and temperature reduction process 79, M of X kilogram working medium39c, M in kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process c 1-total 17 processes.
(2) From the energy conversion perspective:
first, heat absorption process-M1The heat absorption of the kilogram working medium in the 2b process comes from the mixed heat release of M kilograms of superheated steam, (M)1+ M) kg working medium to perform bf and g3 and M3The 34 process is carried out by kg working medium, the heat absorption of the high-temperature section is generally provided by an external heat source, the heat absorption of the low-temperature section is carried out by the external heat source or the heat release and M process of the 79 process is carried out by X kg working medium3Heat release (regeneration) of 9c process for kg working medium, or byThe three are provided together; wherein M is3The kilogram working medium absorbs heat in the high temperature section of the 34 process, and can also absorb heat in the high temperature section of the process from (M)3X) kg of working medium is provided by the exothermic 68 process.
② exothermic process-M356 process heat release sum (M) per kilogram of working medium3X) one kilogram of working medium is subjected to heat release of 68 processes, corresponding heat requirements are met, and heat release at a low-temperature section is available or heat absorption (heat return) at a high-temperature section of 34 processes is available; heat release M of 79 process carried out by X kilogram working medium3Kilogram working medium carries out heat release in the 9c process, can release to the cooling medium, or some or all are used for the heat absorption requirement of other processes of combined cycle, the useless part releases to the low-temperature heat source (environment); m1The kilogram of working medium releases heat in the c1 process, and the heat is generally released to a low-temperature heat source (environment).
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting process of kilogram working medium ca and (M)2M) boosting process a3 of kg working medium, and M3The kilogram working medium pressure rise process 45 is generally completed by a compressor; depressurization 67 of X kg of working substance, (M)3-X) depressurization 89 of kg of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The second type of single-working-medium combined cycle example in the T-s diagram shown in fig. 10 is performed as follows:
(1) from the cycle process:
working medium process-M1Boosting process of kilogram working medium condensate 12, M1Mixing heat absorption temperature rise process 2b of kilogram working medium and M kilogram working medium, (M)1+ M) kilogram working medium absorbs heat to raise temperature, vaporize and overheat bf1+ M kilogram working medium decompression expansion fg, (M)1+ M) kilogram working medium endothermic heating process g3, (M)1+ M) kilogram working medium pressure and temperature rising process 34, (M)1+ M) kilogram working medium heat release cooling process 45, (M)1+ M) kilogram working medium depressurization expansion Process 56, (M)1+ M) kilogram working medium heat release and temperature reduction process 6d, M2Boosting and temperature rising process ea, M kg of working medium and M1Ab (M) of the condensation process of the heat released by the mixture of kilograms of working medium2-M) kilogram working medium pressure and temperature rising process a7, (M)2-M) Heat absorption and temperature increase Process 78 with kg working Medium (M)2-M) kilogram working medium pressure and temperature rise process 89, (M)2-M) kilogram working medium exothermic cooling process 9c, (M)2M) decompression expansion process cd, M with kg of working medium3De, M in kilogram working medium heat release and temperature reduction process1Kilogram working medium exothermal condensation process e 1-18 processes in total.
(2) From the energy conversion perspective:
first, heat absorption process-M1The heat absorption of the kilogram working medium in the 2b process comes from the mixed heat release of M kilograms of superheated steam, (M)1+ M) kg working medium to perform bf and g3 and (M)2M) kg of working medium is subjected to a 78-stage process, the heat absorption of the high-temperature stage is generally provided by an external heat source, and the heat absorption of the low-temperature stage is provided by the external heat source or by (M)1+ M) kg working medium enters 6d process and M3And the kilogram working medium is provided by joint heat release (backheating) of the de process, or the three are provided together. Wherein- (M)1+ M) kilogram working medium absorbs heat in the high temperature section of the g3 process and can also be provided by the low temperature section of the 45 process of heat release; (M)2M) kg of working medium absorbs heat in the high-temperature section of the process at 78 c and can also be provided by the low-temperature section of the process at 9 c.
② an exothermic process- (M)1+ M) kilogram working medium releases heat in 45 processes, and provides heat to the outside to meet corresponding heat requirements, wherein the low-temperature section releases heat or can be used for absorbing heat (backheating) in the high-temperature section in the g3 process; (M)2M) kilogram working medium heat release and temperature reduction process 9c, corresponding heat requirements are met, wherein heat is released in a low-temperature section or can be used for absorbing heat (backheating) in a high-temperature section in the 78 process; (M)1+ M) Heat release for working fluid 6d Process and M3The heat released by the de process can be released to the cooling medium by kilogram of working medium, or can be partially or mostly used for combined cycle of other processesThe heat absorption requirement of the process, and the useless part is released to a low-temperature heat source (environment); m1The kilogram working medium carries out the heat release of the e1 process and generally releases the heat to a low-temperature heat source.
③ energy conversion Process-M1The boosting process 12 of kilogram 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; m2Boosting process of kilogram working medium ea, (M)2M) boosting Process a7 with kilograms of working fluid, (M)1+ M) kilogram working medium pressure rise process 34, (M)2-M) a boosting process 89 of kg of working medium, generally performed by a compressor; (M)1+ M) decompression expansion process 56 of kilogram working medium, (M)2M) decompression expansion process cd of kg of working medium, and M1The kilogram working medium decompression expansion process fg is generally completed by an expansion machine; the work of the pressure reduction expansion is used for boosting the power consumption, or the mechanical energy is output outwards when the work of the pressure reduction expansion is larger than the power consumption of boosting the power, or the mechanical energy is input from the outside when the work of the pressure reduction expansion is smaller than the power consumption of boosting the power, so that a second type of single-working-medium combined cycle is formed.
The effect that the technology of the invention can realize, the second single-working medium combined cycle provided by the invention has the following effects and advantages:
(1) provides a new idea and a new technology for utilizing the temperature difference.
(2) The heat energy (temperature difference) is driven to realize the temperature increase of the heat energy, or the heat energy and the temperature can be selected to provide power for the outside at the same time.
(3) The method is simple, reasonable in flow and good in applicability, and is a common technology for realizing effective utilization of temperature difference.
(4) When necessary, the heat energy temperature is raised by means of partial external power, the mode is flexible, and the adaptability is good.
(5) The phase change process or the phase change process mainly realizes low-temperature heat release, is favorable for reducing the heat transfer temperature difference in the low-temperature heat load release link, and improves the cycle performance index.
(6) The temperature changing process or the temperature changing process mainly realizes medium temperature heat absorption, is favorable for reducing the heat transfer temperature difference of a medium temperature heat load acquisition link, and improves the cycle performance index.
(7) The temperature is changed to release heat, thereby being beneficial to reducing the heat transfer temperature difference in the heat supply link and realizing the rationalization of the cycle performance index.
(8) The single working medium is beneficial to production and storage; reduce the running cost and improve the flexibility of circulation regulation
(9) The process is shared, the number of the processes is reduced, and a theoretical basis is provided for reducing equipment investment.
(10) The working medium has wide parameter range, and high-efficiency high-temperature heat supply is realized; the energy supply requirement can be well met, and the working medium and the working parameters are flexibly matched.
(11) And a high-pressure expansion process is set, so that the adaptability to a high-temperature heat source and the flexibility of working medium selection are improved.
(12) The thermodynamic cycle range for realizing temperature difference utilization is expanded, and efficient heat utilization of the medium-temperature heat source and the variable-medium-temperature heat source is favorably realized.

Claims (10)

1. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, eleven processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M2Kilogram working medium pressure rising process 83, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56, M of kilogram working medium3Decompression process with kilogram working medium 67, M378, M, kilogram working medium heat release process1Kilogram working medium heat release condensation process 81-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
2. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilograms of composition, twelve processes carried out separately or together-M1Step-up process of working medium kilogram 12, M2Kilogram working medium boosting process 93, M234, M kilogram working medium heat absorption process1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g5, M245, M kilogram working medium pressure increasing process356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
3. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilograms of composition, twelve processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g4, M2Kilogram working medium boosting process 93, M235, M kilogram working medium heat absorption process145, M kilogram working medium pressure increasing process356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
4. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fourteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M2Kilogram working medium boosting process c3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56 of kilogram working medium, pressure reduction process 67 of X kilogram working medium, (M)3-X) kilogram working medium exothermic process 68, (M)3-X) decompression of 89 kg of working medium, heat release of 79, M of X kg of working medium3Kilogram working medium heat release process 9c, M1Kilogram working medium exothermic condensation process c1 groupThe closing process is finished; wherein M is3Is M1And M2And (4) summing.
5. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fifteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption vaporization process 2f, M1Decompression process fg, M of kilogram working medium1Kilogram working medium heat absorption process g3, M1Step-up process 34, M of kilogram working medium145, M kilogram working medium heat release process1The kilogram working medium is reduced in pressure by 56, M1Heat release process of kilogram working medium 6d, M2Kilogram working medium pressure increasing process e7, M278, M, kilogram working medium heat absorption process2Kilogram working medium boosting process 89, M2Kilogram working medium heat release process 9c, M2The blood pressure lowering process cd, M with kilogram working medium3De, M in kilogram working medium heat release process1Kilogram working medium exothermal condensation process e 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
6. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fourteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g3, M28a in kilogram working medium boosting process, ab in M kilogram working medium heat releasing condensation process, (M)2M) kilogram working medium pressure rise process a3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56, M of kilogram working medium3Decompression process with kilogram working medium 67, M378, M, kilogram working medium heat release process1Kilogram working medium heat release condensation process 81-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
7. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fifteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, M2Kilogram working medium boosting process 9a, M kilogram working medium heat release condensation process ab, (M)2M) kilogram working medium pressure increasing process a3, (M)2-M) kilogram working medium endothermic process 34, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g5, (M)2-M) kilogram working medium pressure boosting process 45, M356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
8. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Working medium composed of kilogram, fifteen processes carried out separately or together-M1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, M2Kilogram working medium boosting process 9a, M kilogram working medium heat release condensation process ab, (M)2M) kilogram working medium pressure increasing process a3, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g4, (M)2-M) kilogram working medium endothermic process 35, (M)1+ M) kilogram working medium boosting process 45, M356, M kilogram working medium pressure increasing process3Heat release process 67, M per kilogram of working medium3Decompression process 78, M with kilogram working medium389, M kilogram working medium heat release process1Kilogram working medium heat release condensation process 91-a closed process of composition; wherein M is3Is M1And M2And (4) summing.
9. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Seventeen processes-M carried out separately or together by kilogram of working media1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g3, M2Kilogram working medium boosting process ca, M kilogram working medium heat releasing condensation process ab, (M)2M) kilogram working medium pressure rise process a3, M334, M kilogram working medium heat absorption process345, M kilogram working medium pressure increasing process3Heat release process 56 of kilogram working medium, pressure reduction process 67 of X kilogram working medium, (M)3-X) kilogram working medium exothermic process 68, (M)3-X) decompression of 89 kg of working medium, heat release of 79, M of X kg of working medium3Kilogram working medium heat release process 9c, M1Kilogram working medium exothermal condensation process c 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
10. The second type of combined simplex-working medium cycle is defined by M1Kilogram and M2Eighteen processes-M carried out separately or together by kilogram of working media1Step-up process of working medium kilogram 12, M1Kilogram working medium heat absorption process 2b, (M)1+ M) kilogram working medium endothermic vaporization process bf (M)1+ M) kilogram working medium decompression process fg, (M)1+ M) kilogram working medium endothermic process g3, (M)1+ M) kilogram working medium pressure increasing process 34, (M)1+ M) kilogram working medium exothermic process 45, (M)1+ M) kilogram working medium depressurizes 56, (M)1+ M) kilogram working medium exothermic process 6d, M2Kilogram working medium pressure increasing process ea, M kilogram working medium heat releasing condensation process ab, (M)2M) kilogram working medium pressure increasing process a7, (M)2-M) kilogram working medium endothermic Process 78, (M)2-M) kilogram working medium pressure boosting Process 89, (M)2M) kilogram working medium exothermic Process 9c, (M)2-M) kilogram working medium depressurization Process cd, M3De, M in kilogram working medium heat release process1Kilogram working medium exothermal condensation process e 1-the closed process of component; wherein M is3Is M1And M2And (4) summing.
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