WO2018107551A1 - 三重联合循环动力装置 - Google Patents

三重联合循环动力装置 Download PDF

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Publication number
WO2018107551A1
WO2018107551A1 PCT/CN2017/000721 CN2017000721W WO2018107551A1 WO 2018107551 A1 WO2018107551 A1 WO 2018107551A1 CN 2017000721 W CN2017000721 W CN 2017000721W WO 2018107551 A1 WO2018107551 A1 WO 2018107551A1
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Prior art keywords
expander
compressor
heat exchanger
high temperature
temperature heat
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PCT/CN2017/000721
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English (en)
French (fr)
Inventor
李华玉
Original Assignee
李华玉
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Application filed by 李华玉 filed Critical 李华玉
Publication of WO2018107551A1 publication Critical patent/WO2018107551A1/zh

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    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • 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
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

Definitions

  • the invention belongs to the field of energy and power technology.
  • the advantage of steam power cycle is the best, but the temperature difference of the heat transfer link when the heat load of the variable temperature heat source is obtained is large; the advantage of gas turbine cycle is unique in the acquisition of high-temperature heat load, but The heat loss of the heat discharge link is large; therefore, the improvement of the heat efficiency of the two types of gas-steam combined cycle is to reduce the temperature difference loss of the steam power cycle.
  • the present invention proposes a triple combined cycle power plant that retains the advantages of steam power cycle and overcomes the shortage of steam power cycle and has higher thermal efficiency than the conventional gas-steam combined cycle.
  • the main object of the present invention is to provide a triple combined cycle power device, and the specific contents of the invention are as follows:
  • Triple combined cycle power plant mainly consisting of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander and second high temperature heat
  • the condenser comprises a condensate line connected to the mixed evaporator via a circulation pump, the expander has a steam passage communicating with the mixed evaporator, and the mixed evaporator and the steam passage are respectively connected with the compressor and the second expander,
  • the compressor also has a steam passage connected to the expander via a high temperature heat exchanger, the second expander also has a steam passage communicating with the condenser; the external working medium passage is in communication with the second compressor, and the second compressor has a working medium passage
  • the second high-temperature heat exchanger is in communication with the third expander, the third expander and the working medium passage are connected to the outside through the high-temperature heat exchanger, and the second high-temperature heat exchanger and the heat source medium passage are connected to the outside, and the high-
  • Triple combined cycle power plant mainly consisting of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander, second high temperature heat
  • the exchanger and the high temperature regenerator are composed; the condenser has a condensate line connected to the mixed evaporator via a circulation pump, the expander has a steam passage connected with the mixed evaporator, the mixed evaporator and the steam passage are respectively connected with the compressor and the first
  • the second expander is connected, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the second expander has a steam passage connected to the condenser;
  • the external working medium passage is connected to the second compressor, and the second compressor
  • the working medium passage is connected to the third expander via the high temperature regenerator and the second high temperature heat exchanger, and the third expander and the working medium passage are connected to the outside through the high temperature regenerator and the high temperature heat exchanger, and the second high temperature
  • Triple combined cycle power plant mainly composed of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander and combustion chamber
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage communicating with the mixed evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the second expander
  • the compressor has The steam passage is connected to the expander via a high temperature heat exchanger
  • the second expander further has a steam passage communicating with the condenser
  • the external air passage is in communication with the second compressor
  • the second compressor also has an air passage communicating with the combustion chamber, the exterior
  • the fuel passage is connected to the combustion chamber, the combustion chamber and the gas passage are connected to the third expander, and the third expander and the gas passage are connected to the outside through the high temperature heat exchanger, and the condenser and the cooling medium passage are connected to the outside.
  • the mixing evaporator or also the heat medium passage communicates with the outside, the expander connects the compressor and transmits power, and the third expander connects the second compressor and transmits power
  • Triple combined cycle power plant mainly consisting of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander, combustion chamber and high temperature
  • the regenerator is composed of a condenser having a condensate line connected to the mixed evaporator via a circulation pump, the expander has a steam passage communicating with the mixed evaporator, and the mixed evaporator and the steam passage are respectively connected with the compressor and the second expander.
  • the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the second expander further has a steam passage communicating with the condenser; the external air passage is connected to the second compressor, and the second compressor has an air passage
  • the high-temperature regenerator is connected to the combustion chamber, and the external fuel passage is connected with the combustion chamber, the combustion chamber and the gas passage are connected with the third expander, and the third expander has a gas passage through the high-temperature regenerator and the high-temperature heat exchanger.
  • the condenser Communicating with the outside, the condenser also has a cooling medium passage communicating with the outside, a mixed evaporator or a heat medium passage communicating with the outside, the expander connecting the compressor and transmitting power
  • the third expander and a compressor connected to the second transmission power, the expander, the second and the third expander connected to the outside and the expander power output, form a triple combined cycle power plant.
  • Triple combined cycle power plant mainly consisting of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander, combustion chamber and
  • the third compressor comprises a condenser; the condenser has a condensate line connected to the mixed evaporator via a circulation pump, the expander has a steam passage connected with the mixed evaporator, and the mixed evaporator and the steam passage are respectively connected with the compressor and the second expander.
  • the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the second expander also has a steam passage communicating with the condenser;
  • the external air passage is connected to the second compressor, and the second compressor has an air passage and
  • the combustion chamber is connected, and the external gaseous fuel passage is connected to the combustion chamber via the third compressor, the combustion chamber and the gas passage are connected with the third expander, and the third expander and the gas passage are connected to the outside through the high temperature heat exchanger.
  • the condenser also has a cooling medium passage communicating with the outside, a mixed evaporator or a heat medium passage communicating with the outside, the expander connecting the compressor and transmitting power, and the third expansion Connect the second and third compressors and power transmission, the expander, the second and the third expander connected to the outside and the expander power output, form a triple combined cycle power plant.
  • Triple combined cycle power plant mainly consisting of compressor, expander, second expander, circulation pump, high temperature heat exchanger, condenser, mixed evaporator, second compressor, third expander, combustion chamber, a three-compressor and a high-temperature regenerator;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump,
  • the expander has a steam passage connected to the mixed evaporator, the mixed evaporator and the steam passage are respectively connected to the compressor and
  • the second expander is connected, and the compressor has steam pass.
  • the high temperature heat exchanger communicates with the expander, the second expander also has a steam passage communicating with the condenser; the external air passage is in communication with the second compressor, and the second compressor also has an air passage through the high temperature regenerator and combustion
  • the chamber is connected, and the external gaseous fuel passage is connected to the combustion chamber via the third compressor and the high temperature regenerator, the combustion chamber and the gas passage are connected with the third expander, and the third expander and the gas passage are passed through the high temperature regenerator.
  • the high-temperature heat exchanger is connected to the outside, the condenser has a cooling medium passage communicating with the outside, the mixed evaporator or the heat medium passage is connected to the outside, the expander is connected to the compressor and transmits power, and the third expander is connected to the second compression
  • the machine and the third compressor transmit power, and the expander, the second expander and the third expander are connected to the outside and output power to form a triple combined cycle power unit.
  • the triple combined cycle power unit is characterized in that in any of the triple combined cycle power units described in items 1-6, a low temperature regenerator is added, and the compressor has a steam passage connected to the expander via a high temperature heat exchanger to adjust The compressor has a steam passage connected to the expander through the low temperature regenerator and the high temperature heat exchanger, and the expander has a steam passage connected with the mixed evaporator to adjust the steam passage of the expander through the low temperature regenerator and the mixed evaporator to form Triple combined cycle power unit.
  • the triple combined cycle power plant is a new combined compressor and a new high temperature heat exchanger added in the triple combined cycle power plant of the first item, and the compressor has a steam passage connected to the expander through the high temperature heat exchanger.
  • the compressor has a steam passage connected to the newly-added compressor through the high-temperature heat exchanger, and the new compressor has a steam passage connected to the expander through the newly added high-temperature heat exchanger, and the third expander has a working medium passage through the high temperature.
  • the heat exchanger is connected to the outside to adjust to the third expander.
  • the working medium channel is connected to the outside through the newly added high temperature heat exchanger and the high temperature heat exchanger.
  • the new high temperature heat exchanger or the heat source medium passage is connected to the outside.
  • the expander A new compressor is connected and power is transmitted to form a triple combined cycle power unit.
  • the triple combined cycle power plant is a new combined compressor and a new high temperature heat exchanger added in the triple combined cycle power plant according to item 2, and the compressor has a steam passage connected to the expander through the high temperature heat exchanger.
  • the compressor has a steam passage connected to the newly-added compressor through the high-temperature heat exchanger, and the new compressor has a steam passage connected to the expander through the newly added high-temperature heat exchanger, and the third expander has a working medium passage through the high temperature.
  • regenerator and the high-temperature heat exchanger are connected to the outside to adjust the third expander to have a working medium passage through the high-temperature regenerator, the new high-temperature heat exchanger and the high-temperature heat exchanger to communicate with the outside, and add a high-temperature heat exchanger or A heat source medium passage is connected to the outside, and the expander is connected with a new compressor and transmits power to form a triple combined cycle power unit.
  • the triple combined cycle power plant is a triple combined cycle power plant according to item 3 or 5, adding a new compressor and a new high temperature heat exchanger, and the compressor has a steam passage through the high temperature heat exchanger Connected with the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new compressor.
  • the new compressor and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the third expander has gas.
  • the channel is connected to the outside through the high-temperature heat exchanger to adjust to the third expander.
  • the gas passage is connected to the outside through the newly added high-temperature heat exchanger and the high-temperature heat exchanger.
  • the expander is connected to the new compressor and transmits power to form a triple combined cycle power. Device.
  • the triple combined cycle power plant is a triple-combined cycle power plant according to the fourth or sixth item, wherein a new compressor and a new high-temperature heat exchanger are added, and the compressor has a steam passage through the high-temperature heat exchanger. Connected with the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new compressor. The new compressor and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the third expander has gas.
  • the passage is connected to the outside through a high-temperature regenerator and a high-temperature heat exchanger to adjust the third expander to have a gas passage through a high-temperature regenerator, a new high-temperature heat exchanger and a high-temperature heat exchanger to communicate with the outside, and the expander is connected to a new compression.
  • the machine transmits power and forms a triple combined cycle power unit.
  • the triple combined cycle power plant is to increase the new expansion in the triple combined cycle power plant described in item 1.
  • the compressor has a steam passage connected to the expander through the high-temperature heat exchanger to adjust the compressor to have a steam passage through the high-temperature heat exchanger and the new expander, and the new expander
  • the steam passage is connected to the expander through the newly added high-temperature heat exchanger
  • the working medium passage of the third expander is connected to the outside through the high-temperature heat exchanger to adjust the third expander to have a working medium passage through the newly added high-temperature heat exchanger and high temperature.
  • the heat exchanger is connected to the outside, and a new high-temperature heat exchanger or a heat source medium passage is connected to the outside.
  • the new expander is connected to the compressor and transmits power to form a triple combined cycle power unit.
  • the triple combined cycle power plant is characterized in that in the triple combined cycle power plant of the second item, a new expander and a new high temperature heat exchanger are added, and the compressor has a steam passage connected to the expander through the high temperature heat exchanger. Adjusted to have a steam passage of the compressor through the high-temperature heat exchanger and the new expander, the new expander and then the steam passage through the new high-temperature heat exchanger and the expander, the third expander has a working medium passage through the high temperature
  • the regenerator and the high-temperature heat exchanger are connected to the outside to adjust the third expander to have a working medium passage through the high-temperature regenerator, the new high-temperature heat exchanger and the high-temperature heat exchanger to communicate with the outside, and add a high-temperature heat exchanger or
  • a heat source medium passage is connected to the outside, and a new expander is connected to the compressor and transmits power to form a triple combined cycle power unit.
  • the triple combined cycle power unit is a triple combined cycle power plant according to item 3 or 5, wherein a new expander and a new high temperature heat exchanger are added, and the compressor has a steam passage through the high temperature heat exchanger. Connected with the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new expander. The new expander and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the third expander has gas. The channel is connected to the outside through a high-temperature heat exchanger to adjust to a third expander. The gas passage is connected to the outside through a new high-temperature heat exchanger and a high-temperature heat exchanger. The new expander is connected to the compressor and transmits power to form a triple combined cycle power. Device.
  • a triple combined cycle power plant in which a new expander and a new high temperature heat exchanger are added in the triple combined cycle power plant according to the fourth or sixth item, and the compressor has a steam passage through the high temperature heat exchanger. Connected with the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new expander. The new expander and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the third expander has gas. The channel is connected to the outside through the high temperature regenerator and the high temperature heat exchanger to adjust the third expander to have a gas passage through the high temperature regenerator, the new high temperature heat exchanger and the high temperature heat exchanger to communicate with the outside, and the new expander is connected and compressed.
  • the machine transmits power and forms a triple combined cycle power unit.
  • a triple combined cycle power plant in which any of the triple combined cycle power plants described in items 8-11 is provided with a low temperature regenerator to connect the compressor with a steam passage through the high temperature heat exchanger to the newly added compressor Adjusted to have a steam passage of the compressor through the low-temperature regenerator and high-temperature heat exchanger to communicate with the new compressor, the expander has a steam passage and the mixed evaporator is connected to adjust the expansion machine to have a steam passage through the low-temperature regenerator and mixed evaporation The devices are connected to form a triple combined cycle power unit.
  • a triple combined cycle power plant in which any of the triple combined cycle power plants described in items 12-15 is provided with a low temperature regenerator to connect the compressor with a steam passage through a high temperature heat exchanger and a new expander Adjusted to the compressor has a steam passage through the low temperature regenerator and high temperature heat exchanger and the new expander is connected, the expander has a steam passage and the mixed evaporator is connected to adjust the expander to have a steam passage through the low temperature regenerator and mixed evaporation
  • the devices are connected to form a triple combined cycle power unit.
  • a triple combined cycle power plant wherein in any of the triple combined cycle power plants of items 1-17, a regenerator and a second circulation pump are added, and the condenser has a condensate line through a circulation pump and a mixing
  • the evaporator is connected to adjust the condenser to have a condensate line connected to the regenerator through the circulation pump, and the second expander is provided with an extraction passage communicating with the regenerator, and the regenerator has The condensate line is connected to the mixing evaporator via a second circulation pump to form a triple combined cycle power unit.
  • a triple combined cycle power plant wherein in any of the triple combined cycle power plants of items 1-17, a preheater is added, and a condensate line of the condenser is connected to the mixing evaporator via a circulation pump to adjust
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump and a preheater, and the preheater and the heat medium passage communicate with the outside to form a triple combined cycle power unit.
  • a triple combined cycle power plant wherein in any of the triple combined cycle power plants of items 1-17, an intermediate reheater is added to connect the vaporizer to the second expander and the second expander
  • the machine has a steam passage communicating with the condenser, and is further adjusted to have a mixing evaporator having a steam passage communicating with the second expander, the second expander having an intermediate reheat steam passage communicating with the second expander via the intermediate reheater, and a second
  • the expander has a steam passage communicating with the condenser, and the intermediate reheater and the heat medium passage communicate with the outside to form a triple combined cycle power unit.
  • Figure 1/13 is a first principle thermal system diagram of a triple combined cycle power plant in accordance with the present invention.
  • 2/13 is a second principle thermal system diagram of a triple combined cycle power plant provided in accordance with the present invention.
  • Figure 3/13 is a diagram of a third principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • 4/13 is a fourth principle thermal system diagram of a triple combined cycle power plant provided in accordance with the present invention.
  • Figure 5/13 is a fifth principle thermal system diagram of a triple combined cycle power plant in accordance with the present invention.
  • Figure 6/13 is a sixth principle thermal system diagram of a triple combined cycle power plant in accordance with the present invention.
  • Figure 7/13 is a diagram of a seventh principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 8/13 is a diagram of an eighth principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 9/13 is a diagram of a ninth principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 10/13 is a diagram of a tenth principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 11/13 is a diagram of an eleventh principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 12/13 is a diagram of a 12th principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • Figure 13/13 is a diagram of a thirteenth principle thermal system of a triple combined cycle power plant in accordance with the present invention.
  • the triple combined cycle power unit shown in Figure /131 is implemented as follows:
  • the condenser 6 has a condensate line connected to the mixing evaporator 7 via a circulation pump 4, the expander 2 has a steam passage communicating with the mixing evaporator 7, and the mixing evaporator 7 and the steam passage are respectively associated with the compressor 1 and
  • the second expander 3 is connected, the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 5, and the second expander 3 has a steam passage communicating with the condenser 6; the external working medium passage and the second compression
  • the machine 8 is connected, and the second compressor 8 has a working medium passage through the second high temperature heat exchanger 10 and the third
  • the expander 9 is in communication, the third expander 9 and the working medium passage are
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • the saturated steam or superheated steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to lower the pressure.
  • the mixture evaporator 7 is heated and cooled; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium and condenses; the external working medium flows through the second compressor 8 to raise the temperature and flow through The second high temperature heat exchanger 10 absorbs heat, flows through the third expander 9 to reduce pressure, and then flows through the high temperature heat exchanger 5 to release heat and discharges to the outside; the heat source medium provides driving heat through the second high temperature heat exchanger 10.
  • the load, the heat medium - the heat source medium, the working medium flowing through the high temperature heat exchanger 5 or other heat source capable of providing a heat load - provides a driving heat load through the mixing evaporator 7, and the cooling medium carries the low temperature heat load through the condenser 6.
  • Expansion 2 part of the output power is supplied to the compressor 1 for power
  • a part of the work outputted by the third expander 9 is supplied to the second compressor 8 for power
  • the expander 2, the second expander 3 and the third expander 9 are jointly provided.
  • Power drives the working machine or generator
  • the condenser 6 has a condensate line connected to the mixed evaporator 7 via a circulation pump 4, the expander 2 has a steam passage communicating with the mixed evaporator 7, the mixed evaporator 7 and the steam passage respectively It is in communication with the compressor 1 and the second expander 3, and the compressor 1 also has a steam passage communicating with the expander 2 via the high temperature heat exchanger 5, and the second expander 3 also has a steam passage communicating with the condenser 6; the external working medium The passage is in communication with the second compressor 8, and the second compressor 8 and the working medium passage are in communication with the third expander 9 via the high temperature regenerator 11 and the second high temperature heat exchanger 10, and the third expander 9 also has a working medium.
  • the passage is communicated with the outside through the high temperature regenerator 11 and the high temperature heat exchanger 5, and the second high temperature heat exchanger 10 and the high temperature heat exchanger 5 respectively have a heat source medium passage communicating with the outside, and the condenser 6 has a cooling medium passage and the outside.
  • the hybrid evaporator 7 has heat
  • the mass channel is in communication with the outside
  • the expander 2 is connected to the compressor 1 and transmits power
  • the third expander 9 is connected to the second compressor 8 and transmits power
  • the expander 2, the second expander 3 and the third expander 9 are connected to the outside and Output power.
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • the saturated steam or superheated steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to lower the pressure.
  • the mixture evaporator 7 is heated and cooled; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium and condenses; the external working medium flows through the second compressor 8 to raise the temperature and flow through The high temperature regenerator 11 and the second high temperature heat exchanger 10 gradually absorb heat, flow through the third expander 9 to reduce pressure, and then flow through the high temperature regenerator 11 and the high temperature heat exchanger 5 to gradually release heat and discharge to the outside.
  • the heat source medium provides a driving heat load through the second high temperature heat exchanger 10 and the high temperature heat exchanger 5, the heat medium supplies a driving heat load through the mixing evaporator 7, and the cooling medium takes away the low temperature heat load through the condenser 6, and the expander 2 outputs Part of the work
  • the compressor 1 is powered, and a part of the work outputted by the third expander 9 is supplied to the second compressor 8 for powering, the expander 2, and the second expansion
  • the expander 3 and the third expander 9 jointly provide external power to form a triple combined cycle power unit.
  • the condenser 6 has a condensate line connected to the mixing evaporator 7 via a circulation pump 4, the expander 2 has a steam passage communicating with the mixing evaporator 7, and the mixing evaporator 7 and the steam passage are respectively connected to the compressor 1 and the second expander.
  • the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 5, and the second expander 3 has a steam passage communicating with the condenser 6; the external air passage is connected to the second compressor 8,
  • the second compressor 8 also has an air passage communicating with the combustion chamber 12, and an external fuel passage is connected to the combustion chamber 12.
  • the combustion chamber 12 also has a gas passage communicating with the third expander 9, and the third expander 9 also has a gas passage.
  • the high temperature heat exchanger 5 is in communication with the outside
  • the condenser 6 has a cooling medium passage communicating with the outside
  • the mixing evaporator 7 and the heat medium passage are in communication with the outside
  • the expander 2 is connected to the compressor 1 and transmits power
  • the third expander 9 Connect the second compressor 8 and pass Power expander 2, the expander 3 and the second the third and the expander output 9 is connected to an external power.
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • the saturated steam or superheated steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to lower the pressure.
  • the mixed evaporator 7 After the work, it enters the mixed evaporator 7 to release heat and cool down; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium and condenses; the external air flows through the second compressor 8 to increase the temperature and enters the combustion chamber. 12, the external fuel enters the combustion chamber 12 and mixes with the air and burns into a high temperature gas; the gas flows through the third expander 9 to reduce the work, flows through the high temperature heat exchanger 5 and releases heat, and then discharges to the outside; the fuel is driven by combustion.
  • the heat load, the heat medium - the gas flowing through the high temperature heat exchanger 5, or other heat source medium that provides a heat load - provides a driving heat load through the mixing evaporator 7, and the cooling medium carries the low temperature heat through the condenser 6.
  • a part of the output of the expander 2 is supplied to the compressor 1 for powering, and a part of the work outputted by the third expander 9 is supplied to the second compressor 8 for powering, the expander 2, the second expander 3 and the third expander 9 jointly provide external power to form a triple combined cycle power plant.
  • the triple combined cycle power unit shown in Figure 4/13 is implemented as follows:
  • Structurally it mainly consists of a compressor, an expander, a second expander, a circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a second compressor, a third expander, a combustion chamber, and a high temperature back.
  • the condenser 6 has a condensate line connected to the mixed evaporator 7 via a circulation pump 4, the expander 2 has a steam passage communicating with the mixed evaporator 7, and the mixed evaporator 7 and the steam passage are respectively connected with the compressor 1
  • the second expander 3 is in communication with the compressor 1 and the steam passage is connected to the expander 2 via the high temperature heat exchanger 5, and the second expander 3 has a steam passage communicating with the condenser 6; the external air passage and the second compression
  • the machine 8 is connected, the second compressor 8 and the air passage are connected to the combustion chamber 12 via the high temperature regenerator 11 , and the external fuel passage is connected to the combustion chamber 12 , and the combustion chamber 12 and the gas passage are connected to the third expander 9 .
  • the third expander 9 and the gas passage are connected to the outside via the high temperature regenerator 11 and the high temperature heat exchanger 5, and the condenser 6 has a cooling medium passage communicating with the outside, and the mixed evaporator 7 and the heat medium passage are connected to the outside.
  • the expander 2 is connected to the compressor 1 and Output power
  • the third expansion unit 9 is connected to the second compressor 8 and the power transmission expander 2
  • the expander 3 and the second the third and the expander output 9 is connected to an external power.
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • Saturated steam or over The hot steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to reduce the work.
  • the mixed evaporator 7 releases heat and cools; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium, and condenses; the external air flows through the second compressor 8 to increase the temperature and flows through the high-temperature regenerator 11 And endothermic, and then enter the combustion chamber 12; the external fuel enters the combustion chamber 12 and mixes with the air and burns into a high-temperature gas; the gas flows through the third expander 9 to reduce the work, flows through the high-temperature regenerator 11 and the high-temperature heat exchanger 5 and gradually release heat, and then discharge to the outside; the fuel provides driving heat load through combustion, the heat medium provides driving heat load through the mixing evaporator 7, the cooling medium carries away the low temperature heat load through the condenser 6, and a part of the output of the expander 2 is provided.
  • the compressor 1 is powered, a part of the work outputted by the third expander 9 is supplied to the second compressor 8 for power, and the expander 2, the second expander 3 and
  • the compressor comprises a condenser; the condenser 6 has a condensate line connected to the mixing evaporator 7 via a circulation pump 4, the expander 2 has a steam passage communicating with the mixing evaporator 7, and the mixing evaporator 7 and the steam passage are respectively connected to the compressor 1
  • the second expander 3 is in communication with the compressor 1 and the steam passage is connected to the expander 2 via the high temperature heat exchanger 5, and the second expander 3 has a steam passage communicating with the condenser 6; the external air passage and the second compression
  • the machine 8 is in communication.
  • the second compressor 8 also has an air passage communicating with the combustion chamber 12.
  • the external gaseous fuel passage is connected to the combustion chamber 12 via the third compressor 13.
  • the combustion chamber 12 also has a gas passage and a third expander 9. Connected, the third expander 9 and the gas passage are connected to the outside via the high temperature heat exchanger 5, the condenser 6 and the cooling medium passage are connected to the outside, the mixed evaporator 7 and the heat medium passage are connected to the outside, and the expander 2 is connected.
  • Three second compressor 9 is connected to the expander 8 and the third compressor 13 and transmits power expander 2
  • the expander 3 and the second the third and the expander output 9 is connected to an external power.
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • the saturated steam or superheated steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to lower the pressure.
  • the mixed evaporator 7 After the work, it enters the mixed evaporator 7 to release heat and cool down; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium and condenses; the external air flows through the second compressor 8 to increase the temperature and enters the combustion chamber.
  • the external gaseous fuel flows through the third compressor 13 into the combustion chamber 12, the gaseous fuel is mixed with the air and burned into a high temperature gas; the gas discharged from the combustion chamber 12 flows through the third expander 9 to reduce the work, flowing through The high-temperature heat exchanger 5 releases heat and then discharges to the outside; the fuel provides a driving heat load by combustion, the heat medium provides a driving heat load through the mixing evaporator 7, and the cooling medium carries the low-temperature heat load through the condenser 6, and the expander 2 loses A part of the work is supplied to the compressor 1 for power, and a part of the work outputted by the third expander 9 is supplied to the second compressor 8 and the third compressor 13, and the expander 2, the second expander 3, and the third expander are powered. 9 jointly provide external power to form a triple combined cycle power plant.
  • the triple combined cycle power unit shown in Figure 6/13 is implemented as follows:
  • the compressor 6 and the high temperature regenerator are composed; the condenser 6 has a condensate line connected to the mixing evaporator 7 via the circulation pump 4, the expander 2 has a steam passage communicating with the mixing evaporator 7, and the mixing evaporator 7 also has a steam passage. Connected to the compressor 1 and the second expander 3, respectively, and the compressor 1 is also steamed.
  • the steam passage communicates with the expander 2 via the high temperature heat exchanger 5, and the second expander 3 also has a steam passage communicating with the condenser 6; the external air passage is in communication with the second compressor 8, and the second compressor 8 also has an air passage.
  • the high temperature regenerator 11 communicates with the combustion chamber 12, and the external gaseous fuel passage communicates with the combustion chamber 12 via the third compressor 13 and the high temperature regenerator 11, and the combustion chamber 12 also has a gas passage connected to the third expander 9.
  • the third expander 9 and the gas passage are connected to the outside via the high temperature regenerator 11 and the high temperature heat exchanger 5, and the condenser 6 has a cooling medium passage communicating with the outside, and the mixed evaporator 7 and the heat medium passage are connected to the outside.
  • the expander 2 is connected to the compressor 1 and transmits power
  • the third expander 9 is connected to the second compressor 8 and the third compressor 13 and transmits power
  • the expander 2, the second expander 3, and the third expander 9 are connected to the outside. And output
  • the condensate of the condenser 6 is boosted into the mixing evaporator 7 by the circulation pump 4, mixed with the high temperature steam from the expander 2, and absorbed by the heat load provided by the external heat medium, and then vaporized, and the mixed evaporator 7 is released.
  • the saturated steam or superheated steam enters the compressor 1 to increase the temperature and enter the second expander 3 to reduce the pressure; the steam discharged from the compressor 1 flows through the high temperature heat exchanger 5 and absorbs heat, and flows through the expander 2 to lower the pressure.
  • the mixed evaporator 7 After the work, it enters the mixed evaporator 7 to release heat and cool down; the steam discharged from the second expander 3 enters the condenser 6, radiates heat to the cooling medium and condenses; the external air flows through the second compressor 8 to raise the temperature and rises through the high temperature.
  • the regenerator 11 absorbs heat and then enters the combustion chamber 12; the external gaseous fuel flows through the third compressor 13, presses through the high temperature regenerator 11 and absorbs heat, and then enters the combustion chamber 12; the gaseous fuel is mixed with the air and Combustion into high-temperature gas, the gas discharged from the combustion chamber 12 flows through the third expander 9 to reduce the work, flows through the high-temperature regenerator 11 and the high-temperature heat exchanger 5, and gradually releases heat, and then discharges externally; the fuel is driven by combustion.
  • the hybrid evaporator 7 provides a driving heat load
  • the cooling medium carries away the low temperature heat load through the condenser 6
  • a part of the work output from the expander 2 is supplied to the compressor 1 for power
  • a part of the work output by the third expander 9 is supplied to the second compression.
  • the machine 8 and the third compressor 13 are powered, and the expander 2, the second expander 3, and the third expander 9 collectively provide power to form a triple combined cycle power unit.
  • the triple combined cycle power unit shown in Figure 10/13 is implemented as follows:
  • the triple combined cycle power unit shown in Figure 11/13 is implemented as follows:
  • the triple combined cycle power unit shown in Figure 12/13 is implemented as follows:
  • the preheater is added, and the condensate line of the condenser 6 is connected to the mixing evaporator 7 through the circulation pump 4 to be adjusted to the condenser 6 and the condensate line is circulated.
  • the pump 4 and the preheater 17 are in communication with the mixing evaporator 7, and the preheater 17 also has a heat medium passage communicating with the outside; the condensate of the condenser 6 is pressurized by the circulation pump 4 and flows through the preheater 17 to absorb heat. It then enters the mixing evaporator 7 to form a triple combined cycle power plant.
  • the triple combined cycle power unit shown in Figure 13/13 is implemented as follows:
  • an intermediate reheater is added, the mixing evaporator 7 has a steam passage communicating with the second expander 3, and the second expander 3 has a steam passage communicating with the condenser 6.
  • the mixing evaporator 7 has a steam passage communicating with the second expander 3, the second expander 3 has an intermediate reheat steam passage connected to the second expander 3 via the intermediate reheater 18, and the second expander 3 has The steam passage is in communication with the condenser 6, and the intermediate reheater 18 has a heat medium passage communicating with the outside; when the steam entering the second expander 3 is subjected to a pressure reduction to a certain pressure, all of the steam is taken out and passed through the intermediate reheat steam passage.
  • the intermediate reheater 18 absorbs heat and heats up, then enters the second expander 3 to continue the depressurization work, and then enters the condenser 6 to release heat and condense to form a triple combined cycle power device.

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Abstract

一种三重联合循环动力装置，属于能源与动力技术领域。冷凝器（6）有冷凝液管路经循环泵（4）连通混合蒸发器（7），膨胀机（2）有蒸汽通道连通混合蒸发器（7），混合蒸发器（7）有蒸汽通道分别连通压缩机（1）和第二膨胀机（3），压缩机（1）有蒸汽通道经高温热交换器（5）连通膨胀机（2），第二膨胀机（3）有蒸汽通道连通冷凝器（6）；外部有空气通道与第二压缩机（8）连通，第二压缩机（8）还有空气通道与燃烧室（12）连通，外部有燃料通道连通燃烧室（12），燃烧室（12）有燃气通道连通第三膨胀机（9），第三膨胀机（9）有燃气通道经高温热交换器（5）连通外部，冷凝器（6）有冷却介质通道连通外部，混合蒸发器（7）有热介质通道连通外部，膨胀机（2）连接压缩机（1）并传输动力，第三膨胀机（9）连接第二压缩机（8）并传输动力，膨胀机（2）、第二膨胀机（3）和第三膨胀机（9）连接外部并输出动力，形成三重联合循环动力装置。

Description

三重联合循环动力装置 技术领域：
本发明属于能源与动力技术领域。
背景技术：
冷需求、热需求和动力需求，为人类生活与生产当中所常见。在动力需求技术领域，利用热能转换为机械能是获得和提供动力的重要方式。对于以汽柴油和天然气为代表的优质燃料，应该采用热效率高的直燃型燃气-蒸汽联合循环；对于非优质燃料和核燃料，采用间接式燃气-蒸汽联合循环时热效率也比较理想；尽管如此，它们实现的热效率依然不够完美，其根本原因在于——对每一种基本的热功转换技术而言，其自身都有各自固有的优缺点；同时，这些动力装置往往负荷很大，提高其热效率意义重大。
就低温排放环节来看，蒸汽动力循环的优势最佳，但其获取变温热源热负荷时的传热环节温差损失大；就高温热负荷的获取环节而言，燃气轮机循环的优势独特，但其热排放环节温差损失大；因此，提高两种类型的燃气-蒸汽联合循环热效率的着眼点在于减少蒸汽动力循环的温差损失。为此，本发明提出了保留蒸汽动力循环优势，克服蒸汽动力循环不足，热效率高于传统燃气-蒸汽联合循环的三重联合循环动力装置。
发明内容：
本发明主要目的是要提供三重联合循环动力装置，具体发明内容分项阐述如下：
1.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和第二高温热交换器所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有工作介质通道与第二压缩机连通，第二压缩机还有工作介质通道经第二高温热交换器与第三膨胀机连通，第三膨胀机还有工作介质通道经高温热交换器与外部连通，第二高温热交换器还有热源介质通道与外部连通，高温热交换器或还有热源介质通道与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
2.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、第二高温热交换器和高温回热器所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有工作介质通道与第二压缩机连通，第二压缩机还有工作介质通道经高温回热器和第二高温热交换器与第三膨胀机连通，第三膨胀机还有工作介质通道经高温回热器和高温热交换器与外部连通，第二高温热交换器还有热源介质通道与外部连通，高温热交换器或还有热源介质通道 与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
3.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和燃烧室所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有空气通道与第二压缩机连通，第二压缩机还有空气通道与燃烧室连通，外部还有燃料通道与燃烧室连通，燃烧室还有燃气通道与第三膨胀机连通，第三膨胀机还有燃气通道经高温热交换器与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
4.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和高温回热器所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有空气通道与第二压缩机连通，第二压缩机还有空气通道经高温回热器与燃烧室连通，外部还有燃料通道与燃烧室连通，燃烧室还有燃气通道与第三膨胀机连通，第三膨胀机还有燃气通道经高温回热器和高温热交换器与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
5.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和第三压缩机所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有空气通道与第二压缩机连通，第二压缩机还有空气通道与燃烧室连通，外部还有气态燃料通道经第三压缩机与燃烧室连通，燃烧室还有燃气通道与第三膨胀机连通，第三膨胀机还有燃气通道经高温热交换器与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机和第三压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
6.三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室、第三压缩机和高温回热器所组成；冷凝器有冷凝液管路经循环泵与混合蒸发器连通，膨胀机有蒸汽通道与混合蒸发器连通，混合蒸发器还有蒸汽通道分别与压缩机和第二膨胀机连通，压缩机还有蒸汽通 道经高温热交换器与膨胀机连通，第二膨胀机还有蒸汽通道与冷凝器连通；外部有空气通道与第二压缩机连通，第二压缩机还有空气通道经高温回热器与燃烧室连通，外部还有气态燃料通道经第三压缩机和高温回热器与燃烧室连通，燃烧室还有燃气通道与第三膨胀机连通，第三膨胀机还有燃气通道经高温回热器和高温热交换器与外部连通，冷凝器还有冷却介质通道与外部连通，混合蒸发器或还有热介质通道与外部连通，膨胀机连接压缩机并传输动力，第三膨胀机连接第二压缩机和第三压缩机并传输动力，膨胀机、第二膨胀机和第三膨胀机连接外部并输出动力，形成三重联合循环动力装置。
7.三重联合循环动力装置，是在第1-6项所述任一三重联合循环动力装置中，增加低温回热器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经低温回热器和高温热交换器与膨胀机连通，将膨胀机有蒸汽通道与混合蒸发器连通调整为膨胀机有蒸汽通道经低温回热器与混合蒸发器连通，形成三重联合循环动力装置。
8.三重联合循环动力装置，是在第1项所述三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增压缩机连通，新增压缩机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有工作介质通道经高温热交换器与外部连通调整为第三膨胀机有工作介质通道经新增高温热交换器和高温热交换器与外部连通，新增高温热交换器或还有热源介质通道与外部连通，膨胀机连接新增压缩机并传输动力，形成三重联合循环动力装置。
9.三重联合循环动力装置，是在第2项所述三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增压缩机连通，新增压缩机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有工作介质通道经高温回热器和高温热交换器与外部连通调整为第三膨胀机有工作介质通道经高温回热器、新增高温热交换器和高温热交换器与外部连通，新增高温热交换器或还有热源介质通道与外部连通，膨胀机连接新增压缩机并传输动力，形成三重联合循环动力装置。
10.三重联合循环动力装置，是在第3或第5项所述的三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增压缩机连通，新增压缩机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有燃气通道经高温热交换器与外部连通调整为第三膨胀机有燃气通道经新增高温热交换器和高温热交换器与外部连通，膨胀机连接新增压缩机并传输动力，形成三重联合循环动力装置。
11.三重联合循环动力装置，是在第4或第6项所述的三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增压缩机连通，新增压缩机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有燃气通道经高温回热器和高温热交换器与外部连通调整为第三膨胀机有燃气通道经高温回热器、新增高温热交换器和高温热交换器与外部连通，膨胀机连接新增压缩机并传输动力，形成三重联合循环动力装置。
12.三重联合循环动力装置，是在第1项所述三重联合循环动力装置中，增加新增膨 胀机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增膨胀机连通，新增膨胀机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有工作介质通道经高温热交换器与外部连通调整为第三膨胀机有工作介质通道经新增高温热交换器和高温热交换器与外部连通，新增高温热交换器或还有热源介质通道与外部连通，新增膨胀机连接压缩机并传输动力，形成三重联合循环动力装置。
13.三重联合循环动力装置，是在第2项所述三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增膨胀机连通，新增膨胀机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有工作介质通道经高温回热器和高温热交换器与外部连通调整为第三膨胀机有工作介质通道经高温回热器、新增高温热交换器和高温热交换器与外部连通，新增高温热交换器或还有热源介质通道与外部连通，新增膨胀机连接压缩机并传输动力，形成三重联合循环动力装置。
14.三重联合循环动力装置，是在第3或第5项所述的三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增膨胀机连通，新增膨胀机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有燃气通道经高温热交换器与外部连通调整为第三膨胀机有燃气通道经新增高温热交换器和高温热交换器与外部连通，新增膨胀机连接压缩机并传输动力，形成三重联合循环动力装置。
15.三重联合循环动力装置，是在第4或第6项所述的三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机有蒸汽通道经高温热交换器与膨胀机连通调整为压缩机有蒸汽通道经高温热交换器与新增膨胀机连通，新增膨胀机再有蒸汽通道经新增高温热交换器与膨胀机连通，将第三膨胀机有燃气通道经高温回热器和高温热交换器与外部连通调整为第三膨胀机有燃气通道经高温回热器、新增高温热交换器和高温热交换器与外部连通，新增膨胀机连接压缩机并传输动力，形成三重联合循环动力装置。
16.三重联合循环动力装置，是在第8-11项所述任一三重联合循环动力装置中，增加低温回热器，将压缩机有蒸汽通道经高温热交换器与新增压缩机连通调整为压缩机有蒸汽通道经低温回热器和高温热交换器与新增压缩机连通，将膨胀机有蒸汽通道与混合蒸发器连通调整为膨胀机有蒸汽通道经低温回热器与混合蒸发器连通，形成三重联合循环动力装置。
17.三重联合循环动力装置，是在第12-15项所述任一三重联合循环动力装置中，增加低温回热器，将压缩机有蒸汽通道经高温热交换器与新增膨胀机连通调整为压缩机有蒸汽通道经低温回热器和高温热交换器与新增膨胀机连通，将膨胀机有蒸汽通道与混合蒸发器连通调整为膨胀机有蒸汽通道经低温回热器与混合蒸发器连通，形成三重联合循环动力装置。
18.三重联合循环动力装置，是在第1-17项所述任一三重联合循环动力装置中，增加回热器和第二循环泵，将冷凝器有冷凝液管路经循环泵与混合蒸发器连通调整为冷凝器有冷凝液管路经循环泵与回热器连通，第二膨胀机增设抽汽通道与回热器连通，回热器再有 冷凝液管路经第二循环泵与混合蒸发器连通，形成三重联合循环动力装置。
19.三重联合循环动力装置，是在第1-17项所述任一三重联合循环动力装置中，增加预热器，将冷凝器有冷凝液管路经循环泵与混合蒸发器连通调整为冷凝器有冷凝液管路经循环泵和预热器与混合蒸发器连通，预热器还有热介质通道与外部连通，形成三重联合循环动力装置。
20.三重联合循环动力装置，是在第1-17项所述任一三重联合循环动力装置中，增加中间再热器，将混合蒸发器有蒸汽通道与第二膨胀机连通和第二膨胀机有蒸汽通道与冷凝器连通，一并调整为混合蒸发器有蒸汽通道与第二膨胀机连通、第二膨胀机有中间再热蒸汽通道经中间再热器与第二膨胀机连通和第二膨胀机有蒸汽通道与冷凝器连通，中间再热器还有热介质通道与外部连通，形成三重联合循环动力装置。
附图说明：
图1/13是依据本发明所提供的三重联合循环动力装置第1种原则性热力系统图。
图2/13是依据本发明所提供的三重联合循环动力装置第2种原则性热力系统图。
图3/13是依据本发明所提供的三重联合循环动力装置第3种原则性热力系统图。
图4/13是依据本发明所提供的三重联合循环动力装置第4种原则性热力系统图。
图5/13是依据本发明所提供的三重联合循环动力装置第5种原则性热力系统图。
图6/13是依据本发明所提供的三重联合循环动力装置第6种原则性热力系统图。
图7/13是依据本发明所提供的三重联合循环动力装置第7种原则性热力系统图。
图8/13是依据本发明所提供的三重联合循环动力装置第8种原则性热力系统图。
图9/13是依据本发明所提供的三重联合循环动力装置第9种原则性热力系统图。
图10/13是依据本发明所提供的三重联合循环动力装置第10种原则性热力系统图。
图11/13是依据本发明所提供的三重联合循环动力装置第11种原则性热力系统图。
图12/13是依据本发明所提供的三重联合循环动力装置第12种原则性热力系统图。
图13/13是依据本发明所提供的三重联合循环动力装置第13种原则性热力系统图。
图中，1-压缩机，2-膨胀机，3-第二膨胀机，4-循环泵，5-高温热交换器，6-冷凝器，7-混合蒸发器，8-第二压缩机，9-第三膨胀机，10-第二高温热交换器，11-高温回热器，12-燃烧室，13-第三压缩机，14-低温回热器，15-回热器，16-第二循环泵，17-预热器，18-中间再热器；A-新增压缩机，B-新增高温热交换器，C-新增膨胀机。
具体实施方式：
首先要说明的是，在结构和流程的表述上，非必要情况下不重复进行；对显而易见的流程不作表述。下面结合附图和实例来详细描述本发明。
图/131所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和第二高温热交换器所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有工作介质通道与第二压缩机8连通，第二压缩机8还有工作介质通道经第二高温热交换器10与第三 膨胀机9连通，第三膨胀机9还有工作介质通道经高温热交换器5与外部连通，第二高温热交换器10还有热源介质通道与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部工作介质流经第二压缩机8升压升温，流经第二高温热交换器10并吸热，流经第三膨胀机9降压作功，之后流经高温热交换器5放热并对外排放；热源介质通过第二高温热交换器10提供驱动热负荷，热介质——热源介质，流经高温热交换器5的工作介质或其它可提供热负荷的热源——通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8作动力，膨胀机2、第二膨胀机3和第三膨胀机9共同对外提供动力(带动工作机或发电机)，形成三重联合循环动力装置。
图2/13所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、第二高温热交换器和高温回热器所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有工作介质通道与第二压缩机8连通，第二压缩机8还有工作介质通道经高温回热器11和第二高温热交换器10与第三膨胀机9连通，第三膨胀机9还有工作介质通道经高温回热器11和高温热交换器5与外部连通，第二高温热交换器10和高温热交换器5还分别有热源介质通道与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部工作介质流经第二压缩机8升压升温，流经高温回热器11和第二高温热交换器10并逐步吸热，流经第三膨胀机9降压作功，之后流经高温回热器11和高温热交换器5逐步放热并对外排放；热源介质通过第二高温热交换器10和高温热交换器5提供驱动热负荷，热介质通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8作动力，膨胀机2、第二膨 胀机3和第三膨胀机9共同对外提供动力，形成三重联合循环动力装置。
图3/13所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和燃烧室所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有空气通道与第二压缩机8连通，第二压缩机8还有空气通道与燃烧室12连通，外部还有燃料通道与燃烧室12连通，燃烧室12还有燃气通道与第三膨胀机9连通，第三膨胀机9还有燃气通道经高温热交换器5与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部空气流经第二压缩机8升压升温之后进入燃烧室12，外部燃料进入燃烧室12与空气混合并燃烧成高温燃气；燃气流经第三膨胀机9降压作功，流经高温热交换器5并放热，之后对外排放；燃料通过燃烧提供驱动热负荷，热介质——流经高温热交换器5的燃气，或其它可提供热负荷的热源介质——通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8作动力，膨胀机2、第二膨胀机3和第三膨胀机9共同对外提供动力，形成三重联合循环动力装置。
图4/13所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和高温回热器所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有空气通道与第二压缩机8连通，第二压缩机8还有空气通道经高温回热器11与燃烧室12连通，外部还有燃料通道与燃烧室12连通，燃烧室12还有燃气通道与第三膨胀机9连通，第三膨胀机9还有燃气通道经高温回热器11和高温热交换器5与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过 热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部空气流经第二压缩机8升压升温，流经高温回热器11并吸热，之后进入燃烧室12；外部燃料进入燃烧室12与空气混合并燃烧成高温燃气；燃气流经第三膨胀机9降压作功，流经高温回热器11和高温热交换器5并逐步放热，之后对外排放；燃料通过燃烧提供驱动热负荷，热介质通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8作动力，膨胀机2、第二膨胀机3和第三膨胀机9共同对外提供动力，形成三重联合循环动力装置。
图5/13所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和第三压缩机所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有空气通道与第二压缩机8连通，第二压缩机8还有空气通道与燃烧室12连通，外部还有气态燃料通道经第三压缩机13与燃烧室12连通，燃烧室12还有燃气通道与第三膨胀机9连通，第三膨胀机9还有燃气通道经高温热交换器5与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8和第三压缩机13并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部空气流经第二压缩机8升压升温之后进入燃烧室12，外部气态燃料流经第三压缩机13加压进入燃烧室12，气态燃料与空气混合并燃烧成高温燃气；燃烧室12排放的燃气流经第三膨胀机9降压作功，流经高温热交换器5并放热，之后对外排放；燃料通过燃烧提供驱动热负荷，热介质通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8和第三压缩机13作动力，膨胀机2、第二膨胀机3和第三膨胀机9共同对外提供动力，形成三重联合循环动力装置。
图6/13所示三重联合循环动力装置是这样实现的：
(1)结构上，它主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室、第三压缩机和高温回热器所组成；冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通，膨胀机2有蒸汽通道与混合蒸发器7连通，混合蒸发器7还有蒸汽通道分别与压缩机1和第二膨胀机3连通，压缩机1还有蒸 汽通道经高温热交换器5与膨胀机2连通，第二膨胀机3还有蒸汽通道与冷凝器6连通；外部有空气通道与第二压缩机8连通，第二压缩机8还有空气通道经高温回热器11与燃烧室12连通，外部还有气态燃料通道经第三压缩机13和高温回热器11与燃烧室12连通，燃烧室12还有燃气通道与第三膨胀机9连通，第三膨胀机9还有燃气通道经高温回热器11和高温热交换器5与外部连通，冷凝器6还有冷却介质通道与外部连通，混合蒸发器7还有热介质通道与外部连通，膨胀机2连接压缩机1并传输动力，第三膨胀机9连接第二压缩机8和第三压缩机13并传输动力，膨胀机2、第二膨胀机3和第三膨胀机9连接外部并输出动力。
(2)流程上，冷凝器6的冷凝液经循环泵4升压进入混合蒸发器7，与来自膨胀机2的高温蒸汽混合并吸收外部热介质提供的热负荷之后汽化，混合蒸发器7释放的饱和蒸汽或过热蒸汽分别进入压缩机1升压升温和进入第二膨胀机3降压作功；压缩机1排放的蒸汽流经高温热交换器5并吸热，流经膨胀机2降压作功之后进入混合蒸发器7放热并降温；第二膨胀机3排放的蒸汽进入冷凝器6，放热于冷却介质并冷凝；外部空气流经第二压缩机8升压升温，流经高温回热器11并吸热，之后进入燃烧室12；外部气态燃料流经第三压缩机13加压，流经高温回热器11并吸热，之后进入燃烧室12；气态燃料与空气混合并燃烧成高温燃气，燃烧室12排放的燃气流经第三膨胀机9降压作功，流经高温回热器11和高温热交换器5并逐步放热，之后对外排放；燃料通过燃烧提供驱动热负荷，热介质通过混合蒸发器7提供驱动热负荷，冷却介质通过冷凝器6带走低温热负荷，膨胀机2输出的一部分功提供给压缩机1作动力，第三膨胀机9输出的一部分功提供给第二压缩机8和第三压缩机13作动力，膨胀机2、第二膨胀机3和第三膨胀机9共同对外提供动力，形成三重联合循环动力装置。
图7/13所示三重联合循环动力装置是这样实现的：
(1)结构上，在图3/13所示三重联合循环动力装置中，增加低温回热器，将压缩机1有蒸汽通道经高温热交换器5与膨胀机2连通调整为压缩机1有蒸汽通道经低温回热器14和高温热交换器5与膨胀机2连通，将膨胀机2有蒸汽通道与混合蒸发器7连通调整为膨胀机2有蒸汽通道经低温回热器14与混合蒸发器7连通。
(2)流程上，与图3/13所示三重联合循环动力装置循环流程相比较，不同之处在于——压缩机1排放的蒸汽流经低温回热器14和高温热交换器5并逐步吸热，流经膨胀机2降压作功，流经低温回热器11放热之后进入混合蒸发器7，形成三重联合循环动力装置。
图8/13所示三重联合循环动力装置是这样实现的：
(1)结构上，在图3/13所示三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机1有蒸汽通道经高温热交换器5与膨胀机2连通调整为压缩机1有蒸汽通道经高温热交换器5与新增压缩机A连通，新增压缩机A再有蒸汽通道经新增高温热交换器B与膨胀机2连通，将第三膨胀机9有燃气通道经高温热交换器5与外部连通调整为第三膨胀机9有燃气通道经新增高温热交换器B和高温热交换器5与外部连通，膨胀机2连接新增压缩机A并传输动力。
(2)流程上，与图3/13所示三重联合循环动力装置循环流程相比较，不同之处在于——压缩机1排放的蒸汽流经高温热交换器5并吸热，之后进入新增压缩机A升压升温；新增 压缩机A排放的蒸汽流经新增高温热交换器B并吸热，之后进入膨胀机2降压作功；膨胀机2向新增压缩机A提供动力，第三膨胀机9排放的燃气流经新增高温热交换器B和高温热交换器5并逐步放热，形成三重联合循环动力装置。
图9/13所示三重联合循环动力装置是这样实现的：
(1)结构上，在图3/13所示三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机1有蒸汽通道经高温热交换器5与膨胀机2连通调整为压缩机1有蒸汽通道经高温热交换器5与新增膨胀机C连通，新增膨胀机C再有蒸汽通道经新增高温热交换器B与膨胀机2连通，将第三膨胀机9有燃气通道经高温热交换器5与外部连通调整为第三膨胀机9有燃气通道经新增高温热交换器B和高温热交换器5与外部连通，新增膨胀机C连接压缩机1并传输动力。
(2)流程上，与图3/13所示三重联合循环动力装置循环流程相比较，不同之处在于——压缩机1排放的蒸汽流经高温热交换器5并吸热，之后进入新增膨胀机C降压作功；新增膨胀机C排放的蒸汽流经新增高温热交换器B并吸热，之后进入膨胀机2降压作功；新增膨胀机C输出的功提供给压缩机1作动力或对外提供，第三膨胀机9排放的燃气流经新增高温热交换器B和高温热交换器5并逐步放热，形成三重联合循环动力装置。
图10/13所示三重联合循环动力装置是这样实现的：
(1)结构上，在图8/13所示三重联合循环动力装置中，增加低温回热器，将压缩机1有蒸汽通道经高温热交换器5与新增压缩机A连通调整为压缩机1有蒸汽通道经低温回热器14和高温热交换器5与新增压缩机A连通，将膨胀机2有蒸汽通道与混合蒸发器7连通调整为膨胀机2有蒸汽通道经低温回热器14与混合蒸发器7连通。
(2)流程上，与图8/13所示三重联合循环动力装置循环流程相比较，不同之处在于——压缩机1排放的蒸汽流经低温回热器14和高温热交换器5并逐步吸热升温，膨胀机2排放的蒸汽流经低温回热器14放热降温之后进入混合蒸发器7，形成三重联合循环动力装置。
图11/13所示三重联合循环动力装置是这样实现的：
(1)结构上，在图3/13所示三重联合循环动力装置中，增加回热器和第二循环泵，将冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通调整为冷凝器6有冷凝液管路经循环泵4与回热器15连通，第二膨胀机3增设抽汽通道与回热器15连通，回热器15再有冷凝液管路经第二循环泵16与混合蒸发器7连通。
(2)流程上，与图3/13所示三重联合循环动力装置循环流程相比较，不同之处在于——冷凝器6的冷凝液流经循环泵4升压之后进入回热器15，进入第二膨胀机3的蒸汽进行降压作功至某一压力之后分成两路——第一路继续降压作功并进入冷凝器6，第二路通过抽汽通道进入回热器15与冷凝液进行混合放热并冷凝，回热器15的冷凝液经第二循环泵16升压之后进入混合蒸发器7，形成三重联合循环动力装置。
图12/13所示三重联合循环动力装置是这样实现的：
在图3/13所示三重联合循环动力装置中，增加预热器，将冷凝器6有冷凝液管路经循环泵4与混合蒸发器7连通调整为冷凝器6有冷凝液管路经循环泵4和预热器17与混合蒸发器7连通，预热器17还有热介质通道与外部连通；冷凝器6的冷凝液流经循环泵4升压和流经预热器17吸热升温之后进入混合蒸发器7，形成三重联合循环动力装置。
图13/13所示三重联合循环动力装置是这样实现的：
在图3/13所示三重联合循环动力装置中，增加中间再热器，将混合蒸发器7有蒸汽通道与第二膨胀机3连通和第二膨胀机3有蒸汽通道与冷凝器6连通，一并调整为混合蒸发器7有蒸汽通道与第二膨胀机3连通、第二膨胀机3有中间再热蒸汽通道经中间再热器18与第二膨胀机3连通和第二膨胀机3有蒸汽通道与冷凝器6连通，中间再热器18还有热介质通道与外部连通；进入第二膨胀机3的蒸汽进行降压作功至某一压力时，全部引出并通过中间再热蒸汽通道流经中间再热器18吸热升温，然后进入第二膨胀机3继续降压作功，之后进入冷凝器6放热并冷凝，形成三重联合循环动力装置。
本发明技术可以实现的效果——本发明所提出的三重联合循环动力装置，具有如下效果和优势：
(1)保留传统蒸汽动力循环原有的基本优势，低温热负荷排放环节损失小。
(2)减少蒸汽动力循环高温取热环节的温差损失，有效提高热效率。
(3)分级蒸发，实现温差合理利用，减少传热不可逆损失，提高热效率。
(4)高温热负荷逐级利用，流程合理，环节少，提高装置热效率。
(5)两种循环工质实现三重循环，减少传热环节，降低运行成本。
(6)在实现高热效率前提下，蒸汽动力循环低压运行，装置运行的安全性得到提高。
(7)实现对优质燃料、非优质燃料和核燃料的高效利用，最大程度发挥各种能源的动力应用价值，相应减少对环境的不利影响。

Claims (20)

  1. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和第二高温热交换器所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有工作介质通道与第二压缩机(8)连通，第二压缩机(8)还有工作介质通道经第二高温热交换器(10)与第三膨胀机(9)连通，第三膨胀机(9)还有工作介质通道经高温热交换器(5)与外部连通，第二高温热交换器(10)还有热源介质通道与外部连通，高温热交换器(5)或还有热源介质通道与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  2. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、第二高温热交换器和高温回热器所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有工作介质通道与第二压缩机(8)连通，第二压缩机(8)还有工作介质通道经高温回热器(11)和第二高温热交换器(10)与第三膨胀机(9)连通，第三膨胀机(9)还有工作介质通道经高温回热器(11)和高温热交换器(5)与外部连通，第二高温热交换器(10)还有热源介质通道与外部连通，高温热交换器(5)或还有热源介质通道与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  3. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机和燃烧室所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有空气通道与第二压缩机(8)连通，第二压缩机(8)还有空气通道与燃烧室(12)连通，外部还有燃料通道与燃烧室(12)连通，燃烧室(12)还有燃气通道与第三膨胀机(9)连通，第三膨胀机(9)还有燃气通道经高温热交换器(5)与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  4. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和高温回热器所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有空气通道与第二压缩机(8)连通，第二压缩机(8)还有空气通道经高温回热器(11)与燃烧室(12)连通，外部还有燃料通道与燃烧室(12)连通，燃烧室(12)还有燃气通道与第三膨胀机(9)连通，第三膨胀机(9)还有燃气通道经高温回热器(11)和高温热交换器(5)与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  5. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室和第三压缩机所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有空气通道与第二压缩机(8)连通，第二压缩机(8)还有空气通道与燃烧室(12)连通，外部还有气态燃料通道经第三压缩机(13)与燃烧室(12)连通，燃烧室(12)还有燃气通道与第三膨胀机(9)连通，第三膨胀机(9)还有燃气通道经高温热交换器(5)与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)和第三压缩机(13)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  6. 三重联合循环动力装置，主要由压缩机、膨胀机、第二膨胀机、循环泵、高温热交换器、冷凝器、混合蒸发器、第二压缩机、第三膨胀机、燃烧室、第三压缩机和高温回热器所组成；冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通，膨胀机(2)有蒸汽通道与混合蒸发器(7)连通，混合蒸发器(7)还有蒸汽通道分别与压缩机(1)和第二膨胀机(3)连通，压缩机(1)还有蒸汽通道经高温热交换器(5)与膨胀机(2)连通，第二膨胀机(3)还有蒸汽通道与冷凝器(6)连通；外部有空气通道与第二压缩机(8)连通，第二压缩机(8)还有空气通道经高温回热器(11)与燃烧室(12)连通，外部还有气态燃料通道经第三压缩机(13)和高温回热器(11)与燃烧室(12)连通，燃烧室(12)还有燃气通道与第三膨胀机(9)连通，第三膨胀机(9)还有燃气通道经高温回热器(11)和高温热交换器(5)与外部连通，冷凝器(6)还有冷却介质通道与外部连通，混合蒸发器(7)或还有热介质通道与外部连通，膨胀机(2)连接压缩机(1)并传输动力，第三膨胀机(9)连接第二压缩机(8)和第三压缩机(13)并传输动力，膨胀机(2)、第二膨胀机(3)和第三膨胀机(9)连接外部并输出动力，形成三重联合循环动力装置。
  7. 三重联合循环动力装置，是在权利要求1-6所述任一三重联合循环动力装置中，增 加低温回热器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经低温回热器(14)和高温热交换器(5)与膨胀机(2)连通，将膨胀机(2)有蒸汽通道与混合蒸发器(7)连通调整为膨胀机(2)有蒸汽通道经低温回热器(14)与混合蒸发器(7)连通，形成三重联合循环动力装置。
  8. 三重联合循环动力装置，是在权利要求1所述三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增压缩机(A)连通，新增压缩机(A)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有工作介质通道经高温热交换器(5)与外部连通调整为第三膨胀机(9)有工作介质通道经新增高温热交换器(B)和高温热交换器(5)与外部连通，新增高温热交换器(B)或还有热源介质通道与外部连通，膨胀机(2)连接新增压缩机(A)并传输动力，形成三重联合循环动力装置。
  9. 三重联合循环动力装置，是在权利要求2所述三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增压缩机(A)连通，新增压缩机(A)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有工作介质通道经高温回热器(11)和高温热交换器(5)与外部连通调整为第三膨胀机(9)有工作介质通道经高温回热器(11)、新增高温热交换器(B)和高温热交换器(5)与外部连通，新增高温热交换器(B)或还有热源介质通道与外部连通，膨胀机(2)连接新增压缩机(A)并传输动力，形成三重联合循环动力装置。
  10. 三重联合循环动力装置，是在权利要求3或权利要求5所述的三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增压缩机(A)连通，新增压缩机(A)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有燃气通道经高温热交换器(5)与外部连通调整为第三膨胀机(9)有燃气通道经新增高温热交换器(B)和高温热交换器(5)与外部连通，膨胀机(2)连接新增压缩机(A)并传输动力，形成三重联合循环动力装置。
  11. 三重联合循环动力装置，是在权利要求4或权利要求6所述的三重联合循环动力装置中，增加新增压缩机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增压缩机(A)连通，新增压缩机(A)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有燃气通道经高温回热器(11)和高温热交换器(5)与外部连通调整为第三膨胀机(9)有燃气通道经高温回热器(11)、新增高温热交换器(B)和高温热交换器(5)与外部连通，膨胀机(2)连接新增压缩机(A)并传输动力，形成三重联合循环动力装置。
  12. 三重联合循环动力装置，是在权利要求1所述三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增膨胀机(C)连通， 新增膨胀机(C)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有工作介质通道经高温热交换器(5)与外部连通调整为第三膨胀机(9)有工作介质通道经新增高温热交换器(B)和高温热交换器(5)与外部连通，新增高温热交换器(B)或还有热源介质通道与外部连通，新增膨胀机(C)连接压缩机(1)并传输动力，形成三重联合循环动力装置。
  13. 三重联合循环动力装置，是在权利要求2所述三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增膨胀机(C)连通，新增膨胀机(C)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有工作介质通道经高温回热器(11)和高温热交换器(5)与外部连通调整为第三膨胀机(9)有工作介质通道经高温回热器(11)、新增高温热交换器(B)和高温热交换器(5)与外部连通，新增高温热交换器(B)或还有热源介质通道与外部连通，新增膨胀机(C)连接压缩机(1)并传输动力，形成三重联合循环动力装置。
  14. 三重联合循环动力装置，是在权利要求3或权利要求5所述的三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增膨胀机(C)连通，新增膨胀机(C)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有燃气通道经高温热交换器(5)与外部连通调整为第三膨胀机(9)有燃气通道经新增高温热交换器(B)和高温热交换器(5)与外部连通，新增膨胀机(C)连接压缩机(1)并传输动力，形成三重联合循环动力装置。
  15. 三重联合循环动力装置，是在权利要求4或权利要求6所述的三重联合循环动力装置中，增加新增膨胀机和新增高温热交换器，将压缩机(1)有蒸汽通道经高温热交换器(5)与膨胀机(2)连通调整为压缩机(1)有蒸汽通道经高温热交换器(5)与新增膨胀机(C)连通，新增膨胀机(C)再有蒸汽通道经新增高温热交换器(B)与膨胀机(2)连通，将第三膨胀机(9)有燃气通道经高温回热器(11)和高温热交换器(5)与外部连通调整为第三膨胀机(9)有燃气通道经高温回热器(11)、新增高温热交换器(B)和高温热交换器(5)与外部连通，新增膨胀机(C)连接压缩机(1)并传输动力，形成三重联合循环动力装置。
  16. 三重联合循环动力装置，是在权利要求8-11所述任一三重联合循环动力装置中，增加低温回热器，将压缩机(1)有蒸汽通道经高温热交换器(5)与新增压缩机(A)连通调整为压缩机(1)有蒸汽通道经低温回热器(14)和高温热交换器(5)与新增压缩机(A)连通，将膨胀机(2)有蒸汽通道与混合蒸发器(7)连通调整为膨胀机(2)有蒸汽通道经低温回热器(14)与混合蒸发器(7)连通，形成三重联合循环动力装置。
  17. 三重联合循环动力装置，是在权利要求12-15所述任一三重联合循环动力装置中，增加低温回热器，将压缩机(1)有蒸汽通道经高温热交换器(5)与新增膨胀机(C)连通调整为压缩机(1)有蒸汽通道经低温回热器(14)和高温热交换器(5)与新增膨胀机(C)连通，将膨胀机(2)有蒸汽通道与混合蒸发器(7)连通调整为膨胀机(2)有蒸汽通道经低温回热器(14)与混合蒸发器(7)连通，形成三重联合循环动力装置。
  18. 三重联合循环动力装置，是在权利要求1-17所述任一三重联合循环动力装置中，增加回热器和第二循环泵，将冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通调整为冷凝器(6)有冷凝液管路经循环泵(4)与回热器(15)连通，第二膨胀机(3)增设抽汽通道与回热器(15)连通，回热器(15)再有冷凝液管路经第二循环泵(16)与混合蒸发器(7)连通，形成三重联合循环动力装置。
  19. 三重联合循环动力装置，是在权利要求1-17所述任一三重联合循环动力装置中，增加预热器，将冷凝器(6)有冷凝液管路经循环泵(4)与混合蒸发器(7)连通调整为冷凝器(6)有冷凝液管路经循环泵(4)和预热器(17)与混合蒸发器(7)连通，预热器(17)还有热介质通道与外部连通，形成三重联合循环动力装置。
  20. 三重联合循环动力装置，是在权利要求1-17所述任一三重联合循环动力装置中，增加中间再热器，将混合蒸发器(7)有蒸汽通道与第二膨胀机(3)连通和第二膨胀机(3)有蒸汽通道与冷凝器(6)连通，一并调整为混合蒸发器(7)有蒸汽通道与第二膨胀机(3)连通、第二膨胀机(3)有中间再热蒸汽通道经中间再热器(18)与第二膨胀机(3)连通和第二膨胀机(3)有蒸汽通道与冷凝器(6)连通，中间再热器(18)还有热介质通道与外部连通，形成三重联合循环动力装置。
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