CN111365087A - Combined cycle power plant - Google Patents

Combined cycle power plant Download PDF

Info

Publication number
CN111365087A
CN111365087A CN202010101671.2A CN202010101671A CN111365087A CN 111365087 A CN111365087 A CN 111365087A CN 202010101671 A CN202010101671 A CN 202010101671A CN 111365087 A CN111365087 A CN 111365087A
Authority
CN
China
Prior art keywords
communicated
evaporator
condenser
medium channel
expansion speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010101671.2A
Other languages
Chinese (zh)
Inventor
李鸿瑞
李华玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN111365087A publication Critical patent/CN111365087A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F01K23/04—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 condensation heat from 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
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • 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]

Landscapes

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

Abstract

The invention provides a combined cycle power device, and belongs to the technical field of energy and power. The expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a pressure expansion pipe, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the second expansion speed increaser is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through a second pressure expansion pipe, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the second expansion speed increaser; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device.

Description

Combined cycle power plant
The technical field is as follows:
the invention belongs to the technical field of energy and power.
Background art:
the heat energy is converted into mechanical energy which is needed by human life and production; the combined cycle power plant has great significance in realizing the high-efficiency utilization of non-high-quality fuel and a temperature-variable heat source. In a combined cycle power plant containing a steam power cycle, an expander, a booster pump and a heat exchanger are essential basic and core components; the two core components of the expansion machine and the booster pump are difficult to manufacture, have high requirements on materials and have high manufacturing cost; meanwhile, the energy consumption of the booster pump is completely provided by mechanical energy or electric energy, which results in that the configuration of the expander and the booster pump is not simplified, and redundant energy conversion links exist, thereby influencing the heat power conversion efficiency. The method has the advantages of realizing simplification of parts and reducing energy conversion links, being beneficial to reducing the manufacturing difficulty and the manufacturing cost of the expansion machine and the booster pump used in the steam power cycle in the combined cycle power device, improving the heat power changing efficiency, and being beneficial to popularization and application of the combined cycle power device.
The invention provides a combined cycle power device which replaces an expander by an expansion speed increaser and replaces a booster pump by a diffusion pipe or a dual-energy booster pump on the premise of keeping or effectively improving the thermal efficiency of the combined cycle power device, aims to reduce the manufacturing difficulty and cost of the expander and the booster pump used in steam power cycle, and simultaneously reduces or simplifies the energy conversion link.
The invention content is as follows:
the invention mainly aims to provide a combined cycle power device for realizing a steam pressure reduction and expansion process by using an expansion speed increaser and a condensate liquid pressure increasing process by using a diffuser pipe or a dual-energy booster pump, and the specific contents of the invention are explained in sections as follows:
1. the combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor and a high-temperature heat exchanger; the expander is provided with a steam channel which is communicated with the condenser through a spray pipe, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, the evaporator is also provided with a steam channel which is communicated with the expander, the second expander is provided with a circulating medium channel which is communicated with the compressor through the evaporator, and the compressor is also provided with a circulating medium channel which is communicated with the second expander through a high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, and the second expander is connected with the compressor and transmits power to form a combined cycle power device.
2. The combined cycle power plant mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger and an expansion speed increaser; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate liquid pipeline communicated with the evaporator through a diffuser pipe, the evaporator is also provided with a steam channel communicated with the expansion speed increaser, the expander is provided with a circulating medium channel communicated with the compressor through the evaporator, and the compressor is also provided with a circulating medium channel communicated with the expander through the high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, and the expander is connected with the compressor and transmits power to form a combined cycle power device.
3. The combined cycle power device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a diffuser pipe, the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser, the expander is provided with a circulating medium channel which is communicated with the compressor through a heat regenerator and the evaporator, and the compressor is also provided with a circulating medium channel which is communicated with the expander through the heat regenerator and the high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside, and the expander is connected with the compressor and transmits power to form a combined cycle power device.
4. The combined cycle power device mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor, a high-temperature heat exchanger and a booster pump; the expander is provided with a steam channel communicated with the condenser through a spray pipe, the condenser is also provided with a condensate pipeline communicated with the evaporator through a diffuser pipe and a booster pump, the evaporator is also provided with a steam channel communicated with the expander, the second expander is provided with a circulating medium channel communicated with the compressor through the evaporator, and the compressor is also provided with a circulating medium channel communicated with the second expander through a high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also communicated with the outside, and the second expander is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expander is connected with the booster pump and transmits power.
5. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline communicated with the evaporator through a dual-energy booster pump, the evaporator is also provided with a steam channel communicated with the expansion speed increaser, the expander is provided with a circulating medium channel communicated with the compressor through the evaporator, and the compressor is also provided with a circulating medium channel communicated with the expander through a high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also communicated with the outside, and the expander is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
6. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser is provided with a steam channel which is communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, the evaporator is also provided with a steam channel which is communicated with the expansion speed increaser, the expander is provided with a circulating medium channel which is communicated with the compressor through the heat regenerator and the evaporator, and the compressor is also provided with a circulating medium channel which is communicated with the expander through the heat regenerator and the high-temperature heat exchanger; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger is also communicated with the outside, and the expander is connected with the compressor and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
7. The combined cycle power device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser and a booster pump; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a diffuser pipe, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the expander is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through a booster pump, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the expander; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expander is connected with the booster pump and transmits power.
8. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a booster pump and a dual-energy booster pump; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline, the evaporator is provided with a steam channel communicated with the expansion speed increaser after the condenser is communicated with the evaporator through a dual-energy booster pump, the expander is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through the booster pump, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the expander; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expander is connected with the booster pump and transmits power, and the expansion speed increaser is connected with the dual-energy booster pump and transmits power.
9. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a pressure expansion pipe, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the second expansion speed increaser is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through a second pressure expansion pipe, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the second expansion speed increaser; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device.
10. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump and a second expansion speed increaser; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline, the evaporator is provided with a steam channel communicated with the expansion speed increaser after the condensate pipeline is communicated with the evaporator through the dual-energy booster pump, the second expansion speed increaser is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through a diffuser pipe, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the second expansion speed increaser; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expansion speed increaser is connected with the double-energy booster pump and transmits power.
11. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump and a second expansion speed increaser; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a pressure expansion pipe, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the second expansion speed increaser is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through a dual-energy booster pump, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the second expansion speed increaser; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; and the second expansion speed increaser is connected with the double-energy booster pump and transmits power.
12. The combined cycle power device mainly comprises a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump, a second expansion speed increaser and a second dual-energy booster pump; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate pipeline which is communicated with the evaporator through a dual-energy booster pump, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the second expansion speed increaser is provided with a circulating medium channel communicated with the evaporator, the evaporator is also provided with a circulating medium channel communicated with the high-temperature heat exchanger through the second dual-energy booster pump, and the high-temperature heat exchanger is also provided with a circulating medium channel communicated with the second expansion speed increaser; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; and the second expansion speed increaser is connected with the second dual-energy booster pump and transmits power.
13. The combined cycle power plant mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor and an expansion speed increaser; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate liquid pipeline communicated with the evaporator through a diffuser pipe, the evaporator is also provided with a steam channel communicated with the expansion speed increaser, a heat source medium channel is arranged outside the expansion speed increaser and communicated with the expansion machine, the expansion machine is also provided with a heat source medium channel communicated with the compressor through the evaporator, and the compressor is also provided with a heat source medium channel communicated with the outside; the condenser is also provided with a cooling medium channel communicated with the outside, the evaporator or a heat source medium channel is also communicated with the outside, and the expander is connected with the compressor and transmits power to form a combined cycle power device.
14. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increaser is provided with a steam channel communicated with the condenser, the condenser is also provided with a condensate liquid pipeline which is communicated with the evaporator through a pressure-expanding pipe, then the evaporator is provided with a steam channel communicated with the expansion speed increaser, the outside is provided with a heat source medium channel communicated with a second expansion speed increaser, the second expansion speed increaser is also provided with a heat source medium channel communicated with the evaporator, and the evaporator is also provided with a heat source medium channel communicated with the outside through a second pressure-expanding pipe; the condenser is also provided with a cooling medium channel communicated with the outside, and the evaporator or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
Description of the drawings:
FIG. 1 is a schematic 1 st thermodynamic system diagram of a combined cycle power plant according to the present invention.
FIG. 2 is a schematic thermodynamic system diagram of the 2 nd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 3 is a schematic thermodynamic system diagram of the 3 rd principle of a combined cycle power plant provided in accordance with the present invention.
FIG. 4 is a diagram of a 4 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 5 is a diagram of a 5 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 6 is a 6 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 7 is a 7 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 8 is a diagram of an 8 th principle thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 9 is a diagram of a 9 th principal thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 10 is a 10 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 11 is a diagram of a principal 11 thermodynamic system of a combined cycle power plant provided in accordance with the present invention.
FIG. 12 is a 12 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 13 is a 13 th principal thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
FIG. 14 is a 14 th principle thermodynamic system diagram of a combined cycle power plant provided in accordance with the present invention.
In the figure, 1-expander, 2-nozzle, 3-diffuser pipe, 4-condenser, 5-evaporator, 6-second expander, 7-compressor, 8-high temperature heat exchanger, 9-expansion speed increaser, 10-heat regenerator, 11-booster pump, 12-dual-energy booster pump, 13-second expansion speed increaser, 14-second diffuser pipe and 15-second dual-energy booster pump.
In order to clearly understand the spirit and scope of the present invention, the following description is given:
(1) the expansion speed increaser-a device which can realize the double functions of pressure reduction work and pressure reduction speed increaser under a certain pressure reduction is a combination of the expansion machine and a spray pipe, or a combination of the spray pipe and a turbine, or other devices with the same function.
(2) The double-energy booster pump, a device for increasing the pressure of liquid by using external mechanical energy and the kinetic energy of fluid, is a combination of the booster pump and a diffuser pipe, or other devices with the same function.
The specific implementation mode is as follows:
it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.
The combined cycle power plant shown in fig. 1 is implemented as follows:
(1) structurally, the heat exchanger mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor and a high-temperature heat exchanger; the expander 1 is provided with a steam channel which is communicated with a condenser 4 through a spray pipe 2, the condenser 4 is also provided with a condensate liquid pipeline which is communicated with an evaporator 5 through a diffuser pipe 3, the evaporator 5 is also provided with a steam channel which is communicated with the expander 1, the second expander 6 is provided with a circulating medium channel which is communicated with a compressor 7 through the evaporator 5, and the compressor 7 is also provided with a circulating medium channel which is communicated with the second expander 6 through a high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the second expander 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion machine 1 to reduce the pressure and do work, flows through the spray pipe 2 to reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the second expander 6 flows through the evaporator 5 and releases heat, flows through the compressor 7 and raises the pressure and the temperature, flows through the high-temperature heat exchanger 8 and absorbs heat, and then enters the second expander 6 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the second expander 6 is provided for the compressor 7 as power and is provided outwards at the same time, and the work output by the expander 1 is provided outwards to form a combined cycle power device.
The combined cycle power plant shown in fig. 2 is implemented as follows:
(1) structurally, the expansion device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger and an expansion speed increaser; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through a diffuser pipe 3, the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9, the expansion machine 1 is provided with a circulating medium channel communicated with the compressor 7 through the evaporator 5, and the compressor 7 is also provided with a circulating medium channel communicated with the expansion machine 1 through a high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the expander 1 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the expander 1 flows through the evaporator 5 and releases heat, flows through the compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 8 to absorb heat, and then enters the expander 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expansion machine 1 is provided for the compressor 7 as power and is provided outwards at the same time, and the work output by the expansion speed increaser 9 is provided outwards, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 3 is implemented as follows:
(1) structurally, the heat exchanger mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline which is communicated with the evaporator 5 through a diffuser pipe 3, the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9, the expansion machine 1 is provided with a circulating medium channel which is communicated with the compressor 7 through a heat regenerator 10 and the evaporator 5, and the compressor 7 is also provided with a circulating medium channel which is communicated with the expansion machine 1 through the heat regenerator 10 and a high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the expander 1 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the expander 1 flows through the heat regenerator 10 and the evaporator 5 and gradually releases heat, flows through the compressor 7 to increase the pressure and the temperature, flows through the heat regenerator 10 and the high-temperature heat exchanger 8 and gradually absorbs heat, and then enters the expander 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expansion machine 1 is provided for the compressor 7 as power and is provided outwards at the same time, and the work output by the expansion speed increaser 9 is provided outwards, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 4 is implemented as follows:
(1) structurally, the system mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor, a high-temperature heat exchanger and a booster pump; the expander 1 is provided with a steam channel which is communicated with a condenser 4 through a spray pipe 2, the condenser 4 is also provided with a condensate pipeline which is communicated with an evaporator 5 through a diffuser pipe 3 and a booster pump 11, the evaporator 5 is also provided with a steam channel which is communicated with the expander 1, the second expander 6 is provided with a circulating medium channel which is communicated with a compressor 7 through the evaporator 5, and the compressor 7 is also provided with a circulating medium channel which is communicated with the second expander 6 through a high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the second expander 6 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, flows through the booster pump 11 to increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium to be vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion machine 1 to reduce the pressure and do work, flows through the spray pipe 2 to reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the second expander 6 flows through the evaporator 5 and releases heat, flows through the compressor 7 and raises the pressure and the temperature, flows through the high-temperature heat exchanger 8 and absorbs heat, and then enters the second expander 6 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the second expander 6 is provided for the compressor 7 as power and is provided to the outside at the same time, and the work output by the expander 1 is provided to the outside at the same time or is provided to the booster pump 11 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 5 is implemented as follows:
(1) structurally, the system consists of an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline to be communicated with the evaporator 5 through a dual-energy booster pump 12, the evaporator 5 is also provided with a steam channel to be communicated with the expansion speed increaser 9, the expansion machine 1 is provided with a circulating medium channel to be communicated with the compressor 7 through the evaporator 5, and the compressor 7 is also provided with a circulating medium channel to be communicated with the expansion machine 1 through a high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the expander 1 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the circulating medium and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and be condensed; the circulating medium discharged by the expander 1 flows through the evaporator 5 and releases heat, flows through the compressor 7 to increase the pressure and the temperature, flows through the high-temperature heat exchanger 8 to absorb heat, and then enters the expander 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expander 1 is provided for the compressor 7 as power and is provided to the outside at the same time, and the work output by the expansion speed increaser 9 is provided to the outside at the same time or is provided to the dual-energy booster pump 12 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 6 is implemented as follows:
(1) structurally, the system mainly comprises an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel which is communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline which is communicated with the evaporator 5 through a dual-energy booster pump 12, the evaporator 5 is also provided with a steam channel which is communicated with the expansion speed increaser 9, the expander 1 is provided with a circulating medium channel which is communicated with the compressor 7 through a heat regenerator 10 and the evaporator 5, and the compressor 7 is also provided with a circulating medium channel which is communicated with the expander 1 through the heat regenerator 10 and the high-temperature heat exchanger 8; the condenser 4 is also provided with a cooling medium channel communicated with the outside, the evaporator 5 is also provided with a heat source medium channel communicated with the outside, the high-temperature heat exchanger 8 is also provided with a heat source medium channel communicated with the outside, and the expander 1 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the circulating medium and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and be condensed; the circulating medium discharged by the expander 1 flows through the heat regenerator 10 and the evaporator 5 and gradually releases heat, flows through the compressor 7 to increase the pressure and the temperature, flows through the heat regenerator 10 and the high-temperature heat exchanger 8 and gradually absorbs heat, and then enters the expander 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expander 1 is provided for the compressor 7 as power and is provided to the outside at the same time, and the work output by the expansion speed increaser 9 is provided to the outside at the same time or is provided to the dual-energy booster pump 12 at the same time, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 7 is implemented as follows:
(1) structurally, the system mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser and a booster pump; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline, the evaporator 5 is further provided with a steam channel to be communicated with the expansion speed increaser 9 after being communicated with the evaporator 5 through the diffuser pipe 3, the expander 1 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through the booster pump 11, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the expander 1; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the expansion machine 1 passes through the evaporator 5 to release heat and condense, passes through the booster pump 11 to be pressurized, then enters the high-temperature heat exchanger 8 to absorb heat and vaporize, and then enters the expansion machine 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expander 1 and the expansion speed increaser 9 is provided externally or simultaneously to the booster pump 11 to form the combined cycle power device.
The combined cycle power plant shown in fig. 8 is implemented as follows:
(1) structurally, the system mainly comprises an expander, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a booster pump and a dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline, the evaporator 5 is provided with a steam channel to be communicated with the expansion speed increaser 9 after being communicated with the evaporator 5 through a dual-energy booster pump 12, the expander 1 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through a booster pump 11, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the expander 1; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the circulating medium and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and be condensed; the circulating medium discharged by the expansion machine 1 passes through the evaporator 5 to release heat and condense, passes through the booster pump 11 to be pressurized, then enters the high-temperature heat exchanger 8 to absorb heat and vaporize, and then enters the expansion machine 1 to reduce the pressure and do work; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expansion speed increaser 9 is provided for the external or the dual-energy booster pump 12, and the work output by the expansion machine 1 is provided for the external or the dual-energy booster pump 11 and the dual-energy booster pump 12, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 9 is implemented as follows:
(1) structurally, the high-temperature heat exchanger mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline, the evaporator 5 is further provided with a steam channel to be communicated with the expansion speed increaser 9 after being communicated with the evaporator 5 through the diffuser pipe 3, the second expansion speed increaser 13 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through the second diffuser pipe 14, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the second expansion speed increaser 13; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the second expansion speed increaser 13 releases heat and condenses through the evaporator 5, enters the high-temperature heat exchanger 8 to absorb heat and vaporize after speed and pressure reduction through the second diffuser pipe 14, and then enters the second expansion speed increaser 13 to reduce pressure and do work and reduce pressure and increase speed; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expansion speed increaser 9 and the second expansion speed increaser 13 is provided externally to form a combined cycle power device.
The combined cycle power plant shown in fig. 10 is implemented as follows:
(1) structurally, the double-energy booster pump mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a double-energy booster pump and a second expansion speed increaser; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline to be communicated with the evaporator 5 through a dual-energy booster pump 12, then the evaporator 5 is provided with a steam channel to be communicated with the expansion speed increaser 9, the second expansion speed increaser 13 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through a diffuser pipe 3, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the second expansion speed increaser 13; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the circulating medium and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and be condensed; the circulating medium discharged by the second expansion speed increasing machine 13 releases heat and condenses through the evaporator 5, enters the high-temperature heat exchanger 8 to absorb heat and vaporize after the speed and pressure of the circulating medium are reduced and increased through the diffuser pipe 3, and then enters the second expansion speed increasing machine 13 to reduce the pressure, do work and increase the pressure and speed; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expansion speed increaser 9 and the second expansion speed increaser 13 is provided externally or simultaneously to the double-energy booster pump 12, so that the combined cycle power device is formed.
The combined cycle power plant shown in FIG. 11 is implemented as follows:
(1) structurally, the double-energy booster pump mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a double-energy booster pump and a second expansion speed increaser; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline to be communicated with the evaporator 5 through the diffuser pipe 3, then the evaporator 5 is provided with a steam channel to be communicated with the expansion speed increaser 9, the second expansion speed increaser 13 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through the dual-energy booster pump 12, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the second expansion speed increaser 13; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5 to absorb the heat load provided by the circulating medium and the heat source medium and then is vaporized, the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; the circulating medium discharged by the second expansion speed increaser 13 releases heat and condenses through the evaporator 5, increases the pressure and reduces the speed through the dual-energy booster pump 12, then enters the high-temperature heat exchanger 8 to absorb heat and vaporize, and then enters the second expansion speed increaser 13 to reduce the pressure and do work and increase the pressure and speed; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expansion speed increaser 9 and the second expansion speed increaser 13 is provided externally or simultaneously to the double-energy booster pump 12, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 12 is implemented as follows:
(1) structurally, the system mainly comprises a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump, a second expansion speed increaser and a second dual-energy booster pump; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate pipeline to be communicated with the evaporator 5 through a dual-energy booster pump 12, then the evaporator 5 is provided with a steam channel to be communicated with the expansion speed increaser 9, the second expansion speed increaser 13 is provided with a circulating medium channel to be communicated with the evaporator 5, the evaporator 5 is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger 8 through a second dual-energy booster pump 15, and the high-temperature heat exchanger 8 is also provided with a circulating medium channel to be communicated with the second expansion speed increaser; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the high-temperature heat exchanger 8 is also communicated with the outside through a heat source medium channel.
(2) In the process, the condensate of the condenser 4 is boosted and decelerated through the dual-energy booster pump 12, then enters the evaporator 5, is vaporized after absorbing the heat load provided by the circulating medium and the heat source medium, the saturated or superheated steam released by the evaporator 5 is decompressed and does work and is decompressed and accelerated through the expansion speed increaser 9, and then enters the condenser 4 to release heat and be condensed; the circulating medium discharged by the second expansion speed increaser 13 releases heat and condenses through the evaporator 5, increases the pressure and reduces the speed through the second dual-function booster pump 15, then enters the high-temperature heat exchanger 8 to absorb heat and vaporize, and then enters the second expansion speed increaser 13 to reduce the pressure and do work and increase the pressure and speed; the heat source medium provides driving heat load through the high-temperature heat exchanger 8 and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expansion speed increaser 9 is provided to the external or simultaneously to the dual-energy booster pump 12, and the work output by the second expansion speed increaser 13 is provided to the external or simultaneously to the second dual-energy booster pump 15, so that the combined cycle power device is formed.
The combined cycle power plant shown in fig. 13 is implemented as follows:
(1) structurally, the expansion device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor and an expansion speed increaser; the expansion speed increaser 9 is provided with a steam channel communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline communicated with the evaporator 5 through a diffuser pipe 3, the evaporator 5 is also provided with a steam channel communicated with the expansion speed increaser 9, the outside is provided with a heat source medium channel communicated with the expansion machine 1, the expansion machine 1 is also provided with a heat source medium channel communicated with the compressor 7 through the evaporator 5, and the compressor 7 is also provided with a heat source medium channel communicated with the outside; the condenser 4 is also communicated with the outside through a cooling medium channel, the evaporator 5 is also communicated with the outside through a heat source medium channel, and the expander 1 is connected with the compressor 7 and transmits power.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5, is vaporized after absorbing the heat load provided by two paths of heat source media, and the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; an external heat source medium flows through the expander 1 to reduce pressure and do work, flows through the evaporator 5 to release heat and reduce temperature, flows through the compressor 7 to increase pressure and temperature, and is discharged outwards; the heat source medium provides driving heat load through the inlet and outlet flow and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, the work output by the expansion machine 1 is provided for the compressor 7 as power and is provided outwards at the same time, and the work output by the expansion speed increaser 9 is provided outwards, so that a combined cycle power device is formed.
The combined cycle power plant shown in fig. 14 is implemented as follows:
(1) structurally, the device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increaser 9 is provided with a steam channel to be communicated with the condenser 4, the condenser 4 is also provided with a condensate liquid pipeline, the evaporator 5 is further provided with a steam channel to be communicated with the expansion speed increaser 9 after the condenser 4 is communicated with the evaporator 5 through a pressure-expanding pipe 3, a heat source medium channel is arranged outside to be communicated with the second expansion speed increaser 13, the second expansion speed increaser 13 is also provided with a heat source medium channel to be communicated with the evaporator 5, and the evaporator 5 is further provided with a heat source medium channel to be communicated with the outside through a second pressure-expanding pipe 14; the condenser 4 also has a cooling medium passage communicating with the outside, and the evaporator 5 also has a heat source medium passage communicating with the outside.
(2) In the process, the condensate of the condenser 4 flows through the diffuser pipe 3 to reduce the speed and increase the pressure, then enters the evaporator 5, is vaporized after absorbing the heat load provided by two paths of heat source media, and the saturated or superheated steam released by the evaporator 5 flows through the expansion speed increaser 9 to reduce the pressure and do work and reduce the pressure and increase the speed, and then enters the condenser 4 to release the heat and condense; an external heat source medium flows through the second expansion speed increaser 13 to reduce pressure, do work and increase pressure, flows through the evaporator 5 to release heat and condense, flows through the second diffuser pipe 14 to reduce speed and increase pressure, and then is discharged outwards; the heat source medium provides driving heat load through the inlet and outlet flow and the evaporator 5, the cooling medium takes away low-temperature heat load through the condenser 4, and the work output by the expansion speed-increasing machine 9 and the second expansion speed-increasing machine 13 is provided externally to form a combined cycle power device.
The effect that the technology of the invention can realize-the combined cycle power device provided by the invention has the following effects and advantages:
(1) the expansion speed increaser realizes the steam pressure reduction and expansion process, and flexibly and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(2) The diffuser pipe realizes the liquid boosting process, and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(3) The dual-energy booster pump realizes a liquid boosting process, and flexibly and effectively reduces the manufacturing difficulty and cost of the combined cycle power device.
(4) The energy conversion and transmission links are reduced, and the heat power change efficiency of the combined cycle power device is improved.
(5) The simple components replace complex components, and the heat power change efficiency of the combined cycle power device is kept or improved.
(6) The complex parts are replaced by simple parts and simplified, which is beneficial to improving the safety and service life of the dynamic parts.
(7) Along with the relative increase of the flow of the condensate, the expansion speed increaser is matched with a diffuser pipe or a dual-energy booster pump, so that the significance is great.
(8) A plurality of specific technical schemes are provided, and the device can be used for coping with a plurality of different actual conditions and has a wider application range.
(9) The combined cycle power plant technology is expanded, the types of the combined cycle power plants are enriched, the conversion of heat energy into mechanical energy is favorably realized, and the application range of the combined cycle power plants is expanded.

Claims (14)

1. The combined cycle power plant mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor and a high-temperature heat exchanger; the expansion machine (1) is provided with a steam channel which is communicated with the condenser (4) through the spray pipe (2), the condenser (4) is also provided with a condensate liquid pipeline which is communicated with the evaporator (5) through the diffuser pipe (3), the evaporator (5) is also provided with a steam channel which is communicated with the expansion machine (1), the second expansion machine (6) is provided with a circulating medium channel which is communicated with the compressor (7) through the evaporator (5), and the compressor (7) is also provided with a circulating medium channel which is communicated with the second expansion machine (6) through the high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the second expander (6) is connected with the compressor (7) and transmits power to form a combined cycle power device.
2. The combined cycle power plant mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger and an expansion speed increaser; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate liquid pipeline to be communicated with the evaporator (5) through a diffuser pipe (3), the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increasing machine (9), the expansion machine (1) is provided with a circulating medium channel to be communicated with the compressor (7) through the evaporator (5), and the compressor (7) is also provided with a circulating medium channel to be communicated with the expansion machine (1) through a high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the expander (1) is connected with the compressor (7) and transmits power to form a combined cycle power device.
3. The combined cycle power device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a heat regenerator; the expansion speed increaser (9) is provided with a steam channel which is communicated with the condenser (4), the condenser (4) is also provided with a condensate liquid pipeline which is communicated with the evaporator (5) through a diffuser pipe (3), the evaporator (5) is also provided with a steam channel which is communicated with the expansion speed increaser (9), the expansion machine (1) is provided with a circulating medium channel which is communicated with the compressor (7) through the heat regenerator (10) and the evaporator (5), and the compressor (7) is also provided with a circulating medium channel which is communicated with the expansion machine (1) through the heat regenerator (10) and the high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the expander (1) is connected with the compressor (7) and transmits power to form a combined cycle power device.
4. The combined cycle power device mainly comprises an expander, a spray pipe, a diffuser pipe, a condenser, an evaporator, a second expander, a compressor, a high-temperature heat exchanger and a booster pump; the expansion machine (1) is provided with a steam channel which is communicated with the condenser (4) through the spray pipe (2), the condenser (4) is also provided with a condensate pipeline which is communicated with the evaporator (5) through the diffuser pipe (3) and the booster pump (11), the evaporator (5) is also provided with a steam channel which is communicated with the expansion machine (1), the second expansion machine (6) is provided with a circulating medium channel which is communicated with the compressor (7) through the evaporator (5), and the compressor (7) is also provided with a circulating medium channel which is communicated with the second expansion machine (6) through the high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the second expander (6) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expander (1) is connected with the booster pump (11) and transmits power.
5. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser and a dual-energy booster pump; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate liquid pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9), the expander (1) is provided with a circulating medium channel to be communicated with the compressor (7) through the evaporator (5), and the compressor (7) is also provided with a circulating medium channel to be communicated with the expander (1) through a high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the expander (1) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
6. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a compressor, a high-temperature heat exchanger, an expansion speed increaser, a heat regenerator and a dual-energy booster pump; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate liquid pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9), the expander (1) is provided with a circulating medium channel to be communicated with the compressor (7) through the heat regenerator (10) and the evaporator (5), and the compressor (7) is also provided with a circulating medium channel to be communicated with the expander (1) through the heat regenerator (10) and the high-temperature heat exchanger (8); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside, and the expander (1) is connected with the compressor (7) and transmits power to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
7. The combined cycle power device mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser and a booster pump; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a diffuser pipe (3), then the evaporator (5) is provided with a steam channel to be communicated with the expansion speed increasing machine (9), the expansion machine (1) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a booster pump (11), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the expansion machine (1); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expander (1) is connected with the booster pump (11) and transmits power.
8. The combined cycle power plant mainly comprises an expander, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a booster pump and a dual-energy booster pump; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), then the evaporator (5) is provided with a steam channel to be communicated with the expansion speed increasing machine (9), the expander (1) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a booster pump (11), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the expander (1); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expansion machine (1) is connected with the booster pump (11) and transmits power, and the expansion speed increaser (9) is connected with the dual-energy booster pump (12) and transmits power.
9. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a pressure-expanding pipe (3), then the evaporator (5) is provided with a steam channel to be communicated with the expansion speed increasing machine (9), the second expansion speed increasing machine (13) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a second pressure-expanding pipe (14), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the second expansion speed increasing machine (13); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device.
10. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump and a second expansion speed increaser; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), then the evaporator (5) is further provided with a steam channel to be communicated with the expansion speed increasing machine (9), the second expansion speed increasing machine (13) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a pressure expanding pipe (3), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the second expansion speed increasing machine (13); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the double-energy booster pump (12) and transmits power.
11. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump and a second expansion speed increaser; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a diffuser pipe (3), then the evaporator (5) is provided with a steam channel to be communicated with the expansion speed increasing machine (9), the second expansion speed increasing machine (13) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a dual-energy booster pump (12), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the second expansion speed increasing machine (13); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; the second expansion speed increaser (13) is connected with the dual-energy booster pump (12) and transmits power.
12. The combined cycle power device mainly comprises a condenser, an evaporator, a high-temperature heat exchanger, an expansion speed increaser, a dual-energy booster pump, a second expansion speed increaser and a second dual-energy booster pump; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a dual-energy booster pump (12), then the evaporator (5) is further provided with a steam channel to be communicated with the expansion speed increaser (9), the second expansion speed increaser (13) is provided with a circulating medium channel to be communicated with the evaporator (5), the evaporator (5) is also provided with a circulating medium channel to be communicated with the high-temperature heat exchanger (8) through a second dual-energy booster pump (15), and the high-temperature heat exchanger (8) is also provided with a circulating medium channel to be communicated with the second expansion speed increaser (13); the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the high-temperature heat exchanger (8) is also provided with a heat source medium channel communicated with the outside to form a combined cycle power device; wherein, or the expansion speed increaser (9) is connected with the dual-energy booster pump (12) and transmits power, and the second expansion speed increaser (13) is connected with the second dual-energy booster pump (15) and transmits power.
13. The combined cycle power plant mainly comprises an expander, a diffuser pipe, a condenser, an evaporator, a compressor and an expansion speed increaser; the expansion speed increaser (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate liquid pipeline to be communicated with the evaporator (5) through a diffuser pipe (3), the evaporator (5) is also provided with a steam channel to be communicated with the expansion speed increaser (9), a heat source medium channel is arranged outside to be communicated with the expansion machine (1), the expansion machine (1) is also provided with a heat source medium channel to be communicated with the compressor (7) through the evaporator (5), and the compressor (7) is also provided with a heat source medium channel to be communicated with the outside; the condenser (4) is also provided with a cooling medium channel communicated with the outside, the evaporator (5) or a heat source medium channel is also communicated with the outside, and the expander (1) is connected with the compressor (7) and transmits power to form a combined cycle power device.
14. The combined cycle power device mainly comprises a diffuser pipe, a condenser, an evaporator, an expansion speed increaser, a second expansion speed increaser and a second diffuser pipe; the expansion speed increasing machine (9) is provided with a steam channel to be communicated with the condenser (4), the condenser (4) is also provided with a condensate pipeline to be communicated with the evaporator (5) through a pressure-expanding pipe (3), then the evaporator (5) is provided with a steam channel to be communicated with the expansion speed increasing machine (9), a heat source medium channel is arranged outside to be communicated with a second expansion speed increasing machine (13), the second expansion speed increasing machine (13) is also provided with a heat source medium channel to be communicated with the evaporator (5), and the evaporator (5) is also provided with a heat source medium channel to be communicated with the outside through a second pressure-expanding pipe (14); the condenser (4) is also provided with a cooling medium channel communicated with the outside, and the evaporator (5) or a heat source medium channel is also communicated with the outside to form a combined cycle power device.
CN202010101671.2A 2019-03-03 2020-02-09 Combined cycle power plant Pending CN111365087A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019102020290 2019-03-03
CN201910202029 2019-03-03

Publications (1)

Publication Number Publication Date
CN111365087A true CN111365087A (en) 2020-07-03

Family

ID=71204289

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010101671.2A Pending CN111365087A (en) 2019-03-03 2020-02-09 Combined cycle power plant

Country Status (1)

Country Link
CN (1) CN111365087A (en)

Similar Documents

Publication Publication Date Title
CN110953750A (en) High-efficiency steam compression type heat pump
CN111379606A (en) Combined cycle power plant
CN110886630A (en) Combined cycle power plant
CN111379605A (en) Combined cycle power plant
CN110700906A (en) Single working medium combined cycle steam power device
CN110700907A (en) Single working medium combined cycle steam power device
CN110985148A (en) Combined cycle power plant
CN111379601A (en) Single working medium combined cycle steam power device
CN111365087A (en) Combined cycle power plant
CN110953028A (en) Combined cycle power plant
CN111219215A (en) Combined cycle power plant
CN110700904A (en) Single working medium combined cycle steam power device
CN111255535A (en) Combined cycle power plant
CN111379602A (en) Steam power device
CN117759372A (en) Nuclear energy type energy carrying single-working-medium combined cycle steam power device
CN110700903A (en) Single working medium combined cycle steam power device
CN117823246A (en) Fuel carrying single-working-medium combined cycle steam power device
CN117759503A (en) Photo-thermal carrying single-working-medium combined cycle steam power device
CN117759359A (en) Hydrogen fuel carrying same heat energy combined cycle steam power device
CN117759367A (en) Fuel carrying same nuclear energy single-working-medium combined cycle steam power device
CN117989090A (en) Photo-thermal type multifunctional combined cycle steam power device with same single working medium
CN110700905A (en) Single working medium combined cycle steam power device
CN117780475A (en) Nuclear energy carrying and heat energy combined cycle steam power device
CN117759368A (en) Fuel carrying single-working-medium combined cycle steam power device
CN115218512A (en) First-class thermally-driven compression heat pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination