CN114017152A - Variable pressure heat absorption gas power device - Google Patents

Variable pressure heat absorption gas power device Download PDF

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Publication number
CN114017152A
CN114017152A CN202111118255.4A CN202111118255A CN114017152A CN 114017152 A CN114017152 A CN 114017152A CN 202111118255 A CN202111118255 A CN 202111118255A CN 114017152 A CN114017152 A CN 114017152A
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pressure
heat
communicated
cooler
medium channel
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李华玉
李鸿瑞
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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
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • 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
    • 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
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
    • 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
    • F01K21/00—Steam engine plants not otherwise provided for
    • 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
    • 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
    • F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines

Abstract

The invention provides a variable-pressure heat absorption gas power device, and belongs to the technical field of heat power. The expander is provided with a circulating working medium channel which is communicated with the cooler, the cooler is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber through the dual-energy compressor, and the pressure-reducing heat absorber is also provided with a circulating working medium channel which is communicated with the expander; the pressure-reducing heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expander is connected with the dual-energy compressor and transmits power to form the pressure-changing heat-absorbing gas power device.

Description

Variable pressure heat absorption gas power device
The technical field is as follows:
the invention belongs to the technical field of heat.
Background art:
the conversion of thermal energy into mechanical energy is an important way to obtain and provide power, and the improvement of thermal power conversion efficiency is a core requirement of a thermal power device. When fossil fuel is used as source energy, the heat source has the dual characteristics of high temperature and variable temperature, how to keep a smaller heat transfer temperature difference between a working medium in the thermal power device and the heat source as far as possible in the process of obtaining high-temperature heat load is the fundamental guarantee for realizing reasonable heat efficiency. For the power application field of other types of constant-temperature or variable-temperature heat sources, it is more necessary to reduce the temperature difference loss in the heat absorption process as much as possible. Therefore, aiming at different types of heat sources, the invention provides the pressure swing heat absorption gas power device which adopts the pressure swing heat absorber as a heat absorption part, reduces the irreversible loss of temperature difference in the heat absorption process and effectively improves the heat efficiency.
The invention content is as follows:
the invention mainly aims to provide a variable-pressure heat absorption gas power device, and the specific invention contents are explained in different sections as follows:
1. the pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, compressor, pressure-reducing heat absorber and cooler; the expander is provided with a circulating working medium channel which is communicated with the cooler, the cooler is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber through the compressor, and the pressure-reducing heat absorber is also provided with a circulating working medium channel which is communicated with the expander; the pressure reducing heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expander is connected with the compressor and transmits power to form the pressure changing heat absorbing gas power device.
2. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, double-energy compressor, pressure-reducing heat absorber and cooler; the expander is provided with a circulating working medium channel which is communicated with the cooler, the cooler is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber through the dual-energy compressor, and the pressure-reducing heat absorber is also provided with a circulating working medium channel which is communicated with the expander; the pressure-reducing heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expander is connected with the dual-energy compressor and transmits power to form the pressure-changing heat-absorbing gas power device.
3. The pressure-variable heat-absorbing gas power device mainly comprises an expansion speed increaser, a pressure-expanding pipe, a pressure-reducing heat absorber and a cooler; the expansion speed increaser is provided with a circulating working medium channel which is communicated with a cooler, the cooler is also provided with a circulating working medium channel which is communicated with a pressure reduction heat absorber through a pressure expansion pipe, and the pressure reduction heat absorber is also provided with a circulating working medium channel which is communicated with the expansion speed increaser; the pressure-reducing heat absorber is also provided with a heat source medium channel communicated with the outside, and the cooler is also provided with a cooling medium channel communicated with the outside to form a pressure-changing heat-absorbing gas power device.
4. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device described in item 1, a circulating working medium channel of an expander is communicated with a cooler and adjusted to be communicated with the expander through the heat regenerator, a circulating working medium channel of the cooler is communicated with a pressure-reducing heat absorber through a compressor and adjusted to be communicated with the pressure-reducing heat absorber through the compressor, and the circulating working medium channel of the cooler is communicated with the pressure-reducing heat absorber through the heat regenerator, so that the pressure-varying heat-absorbing gas power device is formed.
5. A variable pressure heat absorption gas power device is characterized in that in the variable pressure heat absorption gas power device in item 2, a heat regenerator is added, a cycle working medium channel of an expander is communicated with a cooler and adjusted to be communicated with the expander through the heat regenerator, a cycle working medium channel of the cooler is communicated with a pressure reduction heat absorber through a dual-energy compressor, and adjusted to be communicated with the pressure reduction heat absorber through the dual-energy compressor and the heat regenerator, so that the variable pressure heat absorption gas power device is formed.
6. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device in item 3, a circulating working medium channel of an expansion speed increaser is communicated with a cooler and adjusted to be communicated with the expansion speed increaser, a circulating working medium channel of the expansion speed increaser is communicated with the cooler through the heat regenerator, a circulating working medium channel of the cooler is communicated with a pressure-reducing heat absorber through a pressure-expanding pipe and adjusted to be communicated with the cooler through a circulating working medium channel of the cooler and the pressure-reducing heat absorber through the pressure-expanding pipe and the heat regenerator, and the pressure-varying heat-absorbing gas power device is formed.
7. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, compressor, pressure-boosting heat-absorbing device and cooler; the expander is provided with a circulating working medium channel which is communicated with the cooler, the cooler is also provided with a circulating working medium channel which is communicated with the boosting heat absorber through the compressor, and the boosting heat absorber is also provided with a circulating working medium channel which is communicated with the expander; the pressure-boosting heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expander is connected with the compressor and transmits power to form the pressure-changing heat-absorbing gas power device.
8. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion speed-increasing machine, compressor, pressure-boosting heat absorber and cooler; the expansion speed increaser is provided with a circulating working medium channel which is communicated with a cooler, the cooler is also provided with a circulating working medium channel which is communicated with a boosting heat absorber through a compressor, and the boosting heat absorber is also provided with a circulating working medium channel which is communicated with the expansion speed increaser; the pressure-boosting heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expansion speed-increasing machine is connected with the compressor and transmits power to form the pressure-varying heat-absorbing gas power device.
9. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion speed-increasing machine, double-energy compressor, pressure-boosting heat absorber and cooler; the expansion speed increaser is provided with a circulating working medium channel which is communicated with a cooler, the cooler is also provided with a circulating working medium channel which is communicated with a boosting heat absorber through a dual-energy compressor, and the boosting heat absorber is also provided with a circulating working medium channel which is communicated with the expansion speed increaser; the pressure-boosting heat absorber is also provided with a heat source medium channel communicated with the outside, the cooler is also provided with a cooling medium channel communicated with the outside, and the expansion speed increaser is connected with the dual-energy compressor and transmits power to form the pressure-changing heat-absorbing gas power device.
10. The pressure-variable heat-absorbing gas power device mainly comprises an expansion speed increaser, a diffuser pipe, a pressure-boosting heat absorber and a cooler; the expansion speed increaser is provided with a circulating working medium channel which is communicated with a cooler, the cooler is also provided with a circulating working medium channel which is communicated with a boosting heat absorber through a diffuser pipe, and the boosting heat absorber is also provided with a circulating working medium channel which is communicated with the expansion speed increaser; the pressure-boosting heat absorber is also provided with a heat source medium channel communicated with the outside, and the cooler is also provided with a cooling medium channel communicated with the outside to form a pressure-varying heat-absorbing gas power device.
11. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device described in the item 7, a circulating working medium channel of an expander is communicated with a cooler and adjusted to be communicated with the expander through the heat regenerator, a circulating working medium channel of the cooler is communicated with a pressure-boosting heat absorber through a compressor and adjusted to be communicated with the pressure-boosting heat absorber through the circulating working medium channel of the cooler through the compressor and the heat regenerator, and the pressure-varying heat-absorbing gas power device is formed.
12. A pressure-varying heat-absorbing gas power device, which is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device described in the item 8, a circulating working medium channel of an expansion speed increaser is communicated with a cooler and adjusted to be communicated with the expansion speed increaser, a circulating working medium channel of the expansion speed increaser is communicated with the cooler through the heat regenerator, a circulating working medium channel of the cooler is communicated with a pressure-boosting heat absorber through a compressor and adjusted to be communicated with the cooler through a circulating working medium channel of the cooler and the pressure-boosting heat absorber through the compressor and the heat regenerator, and the pressure-varying heat-absorbing gas power device is formed.
13. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device of the item 9, a circulating working medium channel of an expansion speed increaser is communicated with a cooler and adjusted to be communicated with the expansion speed increaser, a circulating working medium channel of the cooler is communicated with a pressure-boosting heat absorber through a dual-energy compressor, and adjusted to be communicated with the pressure-boosting heat absorber through a circulating working medium channel of the cooler and the dual-energy compressor, and the heat regenerator is communicated with the pressure-boosting heat absorber to form the pressure-varying heat-absorbing gas power device.
14. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device in item 10, a circulating working medium channel of an expansion speed increaser is communicated with a cooler and adjusted to be communicated with the expansion speed increaser, a circulating working medium channel of the expansion speed increaser is communicated with the cooler through the heat regenerator, a circulating working medium channel of the cooler is communicated with a pressure-boosting heat absorber through a pressure-expanding pipe and adjusted to be communicated with the cooler through a circulating working medium channel of the cooler and the pressure-boosting heat absorber through the pressure-expanding pipe and the heat regenerator, and the pressure-varying heat-absorbing gas power device is formed.
Description of the drawings:
fig. 1 is a schematic diagram of a first principle thermodynamic system of a variable pressure endothermic gas power plant according to the present invention.
Fig. 2 is a schematic thermodynamic system diagram of a 2 nd principle of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 3 is a 3 rd principle thermodynamic system diagram of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 4 is a diagram of a 4 th principle thermodynamic system of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 5 is a diagram of the 5 th principle thermodynamic system of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 6 is a 6 th principle thermodynamic system diagram of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 7 is a diagram of the 7 th principle thermodynamic system of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 8 is a diagram of an 8 th principle thermodynamic system of a pressure swing endothermic gas power plant provided in accordance with the present invention.
Fig. 9 is a diagram of a 9 th principle thermodynamic system of a pressure swing endothermic gas power plant provided in accordance with the present invention.
In the figure, 1-expander, 2-compressor, 3-pressure reduction heat absorber, 4-cooler, 5-double energy compressor, 6-expansion speed increaser, 7-diffuser pipe, 8-heat regenerator and 9-pressure increase heat absorber.
For ease of understanding, the following description is given here:
(1) the pressure reduction heat absorber is a variable cross-section heat exchanger, pressure reduction and energy conversion are realized by changing a flow cross section of a working medium, so that irreversible loss of temperature difference between a high-temperature heat source and a heated medium is reduced, continuous small-temperature-difference heat release can be realized and maintained between the high-temperature heat source and the heated medium, and the pressure reduction heat release process is completed; generally, when the initial velocity of the working medium is subsonic and the velocity of the working medium is not higher than the sonic velocity at the end of the heat exchange process, the flow section is a tapered variable section; when the initial velocity of the working medium is supersonic velocity and the velocity of the working medium is higher than the initial velocity after the heat exchange process is finished, the flow section is a gradually expanding variable section; when the initial velocity of the working medium is subsonic and the velocity of the working medium is higher than the sonic velocity at the end of the heat exchange process, the flow section is a tapered-gradually-expanded variable section.
(2) The pressure boosting heat absorber is a variable cross-section heat exchanger, the pressure boosting and energy conversion are realized by the change of the flow cross section of the working medium, so that the irreversible loss of the temperature difference between the high-temperature heat source and the heated medium is reduced, the continuous small-temperature-difference heat release between the high-temperature heat source and the heated medium can be realized and maintained, and the pressure boosting heat release process is completed; generally, when the initial velocity of the working medium is subsonic, the flow section is a divergent section; when the initial velocity of the working medium is supersonic velocity, the flow section is a tapered variable section.
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 pressure swing endothermic gas power plant shown in fig. 1 is realized by:
(1) structurally, the air conditioner mainly comprises an expander, a compressor, a pressure reduction heat absorber and a cooler; the expander 1 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber 3 through the compressor 2, and the pressure-reducing heat absorber 3 is also provided with a circulating working medium channel which is communicated with the expander 1; the pressure-reducing heat absorber 3 is also provided with a heat source medium channel communicated with the outside, the cooler 4 is also provided with a cooling medium channel communicated with the outside, and the expander 1 is connected with the compressor 2 and transmits power.
(2) In the process, the circulating working medium discharged by the expander 1 flows through the cooler 4 to release heat and reduce temperature, flows through the compressor 2 to increase the pressure and the temperature, flows through the pressure reduction heat absorber 3 to reduce the pressure and absorb heat, and flows through the expander 1 to reduce the speed and reduce the pressure and work; the heat source medium provides high-temperature heat load through the pressure-reducing heat absorber 3, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expander 1 is provided for the compressor 2 and the external acting force, so that the variable-pressure heat-absorbing gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 2 is realized by:
(1) structurally, the system consists of an expander, a dual-energy compressor, a pressure-reducing heat absorber and a cooler; the expander 1 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber 3 through the dual-energy compressor 5, and the pressure-reducing heat absorber 3 is also provided with a circulating working medium channel which is communicated with the expander 1; the pressure-reducing heat absorber 3 is also provided with a heat source medium channel communicated with the outside, the cooler 4 is also provided with a cooling medium channel communicated with the outside, and the expander 1 is connected with the dual-energy compressor 5 and transmits power.
(2) In the process, the circulating working medium discharged by the expansion machine 1 flows through the cooler 4 to release heat and reduce temperature, flows through the dual-energy compressor 5 to increase the pressure and increase the temperature and reduce the speed, flows through the pressure reduction heat absorber 3 to reduce the pressure and absorb heat, and flows through the expansion machine 1 to reduce the pressure and do work or reduce the speed and reduce the pressure and do work; the heat source medium provides high-temperature heat load through the pressure-reducing heat absorber 3, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expander 1 is provided for the dual-energy compressor 5 and the external acting force, so that the variable-pressure heat-absorbing gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 3 is realized by:
(1) structurally, the device mainly comprises an expansion speed increaser, a pressure expanding pipe, a pressure reduction heat absorber and a cooler; the expansion speed-increasing machine 6 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber 3 through a pressure-expanding pipe 7, and the pressure-reducing heat absorber 3 is also provided with a circulating working medium channel which is communicated with the expansion speed-increasing machine 6; the pressure-reducing heat absorber 3 is also provided with a heat source medium channel communicated with the outside, and the cooler 4 is also provided with a cooling medium channel communicated with the outside.
(2) In the flow, the circulating working medium discharged by the expansion speed-increasing machine 6 releases heat and lowers the temperature through the cooler 4, lowers the speed and raises the pressure through the diffuser pipe 7, lowers the pressure and absorbs heat through the pressure-reducing heat absorber 3, lowers the pressure and applies work and increases the speed through the expansion speed-increasing machine 6; the heat source medium provides high-temperature heat load through the pressure-reducing heat absorber 3, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expansion speed-increasing machine 6 is provided for external acting power, so that the variable-pressure heat-absorbing gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 4 is realized by:
(1) structurally, in the pressure-varying heat-absorbing gas power plant shown in fig. 1, a heat regenerator is added, a circulating working medium channel of an expander 1 is communicated with a cooler 4 and adjusted to be communicated with the expander 1 through a circulating working medium channel, the heat regenerator 8 is communicated with the cooler 4, a circulating working medium channel of the cooler 4 is communicated with a pressure-reducing heat absorber 3 through a compressor 2 and adjusted to be communicated with the pressure-reducing heat absorber 3 through a circulating working medium channel of the cooler 4, and the compressor 2 and the heat regenerator 8 are communicated with the pressure-reducing heat absorber 3.
(2) In the process, the circulating working medium discharged by the expansion machine 1 gradually releases heat and cools through the heat regenerator 8 and the cooler 4, increases the pressure and heats through the compressor 2, absorbs heat and heats through the heat regenerator 8, reduces the pressure and absorbs heat through the pressure reduction heat absorber 3, and reduces the pressure and works through the expansion machine 1 at a reduced speed; the heat source medium provides high-temperature heat load through the pressure-reducing heat absorber 3, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expander 1 is provided for the compressor 2 and the external acting force, so that the variable-pressure heat-absorbing gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 5 is realized by:
(1) structurally, the air conditioner mainly comprises an expander, a compressor, a pressure boosting heat absorber and a cooler; the expander 1 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-boosting heat absorber 9 through the compressor 2, and the pressure-boosting heat absorber 9 is also provided with a circulating working medium channel which is communicated with the expander 1; the booster heat absorber 9 also has a heat source medium passage communicating with the outside, the cooler 4 also has a cooling medium passage communicating with the outside, and the expander 1 is connected to the compressor 2 and transmits power.
(2) In the process, the circulating working medium discharged by the expander 1 flows through the cooler 4 to release heat and reduce temperature, flows through the compressor 2 to increase pressure and temperature, flows through the pressure-increasing heat absorber 9 to increase pressure and absorb heat, and flows through the expander 1 to reduce pressure and do work; the heat source medium provides high-temperature heat load through the pressure boosting heat absorber 9, the cooling medium takes away low-temperature heat load through the cooler 4, and the work output by the expander 1 is provided for the compressor 2 and the external acting force, so that the variable-pressure heat absorption gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 6 is realized by:
(1) structurally, the device mainly comprises an expansion speed increaser, a compressor, a pressure boosting heat absorber and a cooler; the expansion speed increaser 6 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-boosting heat absorber 9 through the compressor 2, and the pressure-boosting heat absorber 9 is also provided with a circulating working medium channel which is communicated with the expansion speed increaser 6; the booster heat absorber 9 is also provided with a heat source medium channel communicated with the outside, the cooler 4 is also provided with a cooling medium channel communicated with the outside, and the expansion speed increaser 6 is connected with the compressor 2 and transmits power.
(2) In the flow, the circulating working medium discharged by the expansion speed-increasing machine 6 releases heat and lowers the temperature through the cooler 4, increases the pressure and raises the temperature through the compressor 2, increases the pressure and absorbs heat through the pressure-increasing heat absorber 9, and reduces the pressure and applies work and increases the speed through the expansion speed-increasing machine 6; the heat source medium provides high-temperature heat load through the pressure boosting heat absorber 9, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expansion speed increaser 6 is provided for the compressor 2 and the external acting force, so that the variable-pressure heat absorption gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 7 is realized by:
(1) structurally, the device mainly comprises an expansion speed increaser, a dual-energy compressor, a pressure-boosting heat absorber and a cooler; the expansion speed increaser 6 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure-boosting heat absorber 9 through the dual-energy compressor 5, and the pressure-boosting heat absorber 9 is also provided with a circulating working medium channel which is communicated with the expansion speed increaser 6; the booster heat absorber 9 is also provided with a heat source medium channel communicated with the outside, the cooler 4 is also provided with a cooling medium channel communicated with the outside, and the expansion speed increaser 6 is connected with the dual-energy compressor 5 and transmits power.
(2) In the flow, the circulating working medium discharged by the expansion speed-increasing machine 6 releases heat and lowers the temperature through the cooler 4, increases the pressure and increases the temperature and reduces the speed through the dual-energy compressor 5, increases the pressure and absorbs heat through the pressure-increasing heat absorber 9, reduces the pressure and applies work and increases the speed through the expansion speed-increasing machine 6; the heat source medium provides high-temperature heat load through the pressure-boosting heat absorber 9, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expansion speed-increasing machine 6 is provided for the dual-energy compressor 5 and the external acting force, so that the variable-pressure heat-absorbing gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 8 is realized by:
(1) structurally, the device mainly comprises an expansion speed increaser, a diffuser pipe, a pressure boosting heat absorber and a cooler; the expansion speed increaser 6 is provided with a circulating working medium channel which is communicated with the cooler 4, the cooler 4 is also provided with a circulating working medium channel which is communicated with the pressure boosting heat absorber 9 through the diffuser pipe 7, and the pressure boosting heat absorber 9 is also provided with a circulating working medium channel which is communicated with the expansion speed increaser 6; the booster heat absorber 9 also has a heat source medium passage communicating with the outside, and the cooler 4 also has a cooling medium passage communicating with the outside.
(2) In the flow, the circulating working medium discharged by the expansion speed-increasing machine 6 releases heat and lowers the temperature through the cooler 4, reduces the speed and raises the pressure through the diffuser pipe 7, raises the pressure and absorbs heat through the pressure-raising heat absorber 9, and lowers the pressure and does work and increases the speed through the expansion speed-increasing machine 6; the heat source medium provides high-temperature heat load through the pressure boosting heat absorber 9, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expansion speed increaser 6 is provided for external acting power, so that the variable-pressure heat absorption gas power device is formed.
The pressure swing endothermic gas power plant shown in fig. 9 is realized by:
(1) structurally, in the variable-pressure heat absorption gas power device shown in fig. 7, a heat regenerator is added, a circulation working medium channel of the expansion speed increaser 6 is communicated with the cooler 4 and adjusted to be that the circulation working medium channel of the expansion speed increaser 6 is communicated with the cooler 4 through the heat regenerator 8, a circulation working medium channel of the cooler 4 is communicated with the boost heat absorber 9 through the dual-energy compressor 5 and adjusted to be that the circulation working medium channel of the cooler 4 is communicated with the boost heat absorber 9 through the dual-energy compressor 5 and the heat regenerator 8.
(2) In the process, the circulating working medium discharged by the expansion speed-increasing machine 6 gradually releases heat and cools through the heat regenerator 8 and the cooler 4, increases the pressure and increases the temperature and reduces the speed through the dual-energy compressor 5, absorbs heat and increases the temperature through the heat regenerator 8, increases the pressure and absorbs heat through the pressure-increasing heat absorber 9, reduces the pressure and applies work and increases the speed through the expansion speed-increasing machine 6; the heat source medium provides high-temperature heat load through the pressure-boosting heat absorber 9, the cooling medium takes away the low-temperature heat load through the cooler 4, and the work output by the expansion speed-increasing machine 6 is provided for the dual-energy compressor 5 and the external acting force, so that the variable-pressure heat-absorbing gas power device is formed.
The effect that the technology of the invention can realize-the pressure swing heat absorption gas power device provided by the invention has the following effects and advantages:
(1) aiming at different heat sources, the circulating working medium absorbs heat in a variable pressure manner, so that the temperature difference loss in the heat absorption process is flexibly and effectively reduced.
(2) The heat absorption average temperature is improved, and the heat efficiency of the device is effectively improved.
(3) A plurality of component combinations are provided, the structure is simplified, and the manufacturing cost of the device is reduced.
(4) Provides a plurality of technical schemes to deal with a plurality of high-temperature heat resources and requirements.
(5) The technical measure is simple, the heat efficiency can be obviously improved, and the expansion of the application range of the gas power device is facilitated.

Claims (14)

1. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, compressor, pressure-reducing heat absorber and cooler; the expander (1) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber (3) through the compressor (2), and the pressure-reducing heat absorber (3) is also provided with a circulating working medium channel which is communicated with the expander (1); the pressure reduction heat absorber (3) is also provided with a heat source medium channel communicated with the outside, the cooler (4) is also provided with a cooling medium channel communicated with the outside, and the expander (1) is connected with the compressor (2) and transmits power to form a pressure-changing heat absorption gas power device.
2. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, double-energy compressor, pressure-reducing heat absorber and cooler; the expansion machine (1) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber (3) through the dual-energy compressor (5), and the pressure-reducing heat absorber (3) is also provided with a circulating working medium channel which is communicated with the expansion machine (1); the pressure reduction heat absorber (3) is also provided with a heat source medium channel communicated with the outside, the cooler (4) is also provided with a cooling medium channel communicated with the outside, and the expander (1) is connected with the dual-energy compressor (5) and transmits power to form a pressure-variable heat absorption gas power device.
3. The pressure-variable heat-absorbing gas power device mainly comprises an expansion speed increaser, a pressure-expanding pipe, a pressure-reducing heat absorber and a cooler; the expansion speed-increasing machine (6) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber (3) through a pressure-expanding pipe (7), and the pressure-reducing heat absorber (3) is also provided with a circulating working medium channel which is communicated with the expansion speed-increasing machine (6); the pressure reduction heat absorber (3) is also provided with a heat source medium channel communicated with the outside, and the cooler (4) is also provided with a cooling medium channel communicated with the outside to form a pressure-variable heat absorption gas power device.
4. A variable-pressure heat absorption gas power device is characterized in that a heat regenerator is added in the variable-pressure heat absorption gas power device according to claim 1, a circulating working medium channel of an expansion machine (1) is communicated with a cooler (4) and adjusted to be communicated with the expansion machine (1) through a circulating working medium channel of the expansion machine (8) and the cooler (4), a circulating working medium channel of the cooler (4) is communicated with a pressure reduction heat absorber (3) through a compressor (2) and the pressure reduction heat absorber (3) and adjusted to be communicated with the pressure reduction heat absorber (3) through the circulating working medium channel of the cooler (4) through the compressor (2) and the heat regenerator (8), and the variable-pressure heat absorption gas power device is formed.
5. A variable-pressure heat absorption gas power device is characterized in that a heat regenerator is added in the variable-pressure heat absorption gas power device of claim 2, a circulating working medium channel of an expansion machine (1) is communicated with a cooler (4) and adjusted to be communicated with the expansion machine (1) through the heat regenerator (8) and the cooler (4), a circulating working medium channel of the cooler (4) is communicated with a pressure reduction heat absorber (3) through a dual-energy compressor (5) and adjusted to be communicated with the cooler (4) through the dual-energy compressor (5) and the heat regenerator (8) and communicated with the pressure reduction heat absorber (3), and the variable-pressure heat absorption gas power device is formed.
6. A pressure-varying heat-absorbing gas power device is characterized in that a regenerator is added in the pressure-varying heat-absorbing gas power device of claim 3, a circulating working medium channel of an expansion speed-increasing machine (6) is communicated with a cooler (4) and adjusted to be that the expansion speed-increasing machine (6) is provided with a circulating working medium channel which is communicated with the cooler (4) through the regenerator (8), and a circulating working medium channel of the cooler (4) is communicated with a pressure-reducing heat absorber (3) through a diffuser pipe (7) and adjusted to be that the cooler (4) is provided with a circulating working medium channel which is communicated with the pressure-reducing heat absorber (3) through the diffuser pipe (7) and the regenerator (8), so that the pressure-varying heat-absorbing gas power device is formed.
7. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion machine, compressor, pressure-boosting heat-absorbing device and cooler; the expander (1) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure boosting heat absorber (9) through the compressor (2), and the pressure boosting heat absorber (9) is also provided with a circulating working medium channel which is communicated with the expander (1); the pressure boosting heat absorber (9) is also provided with a heat source medium channel communicated with the outside, the cooler (4) is also provided with a cooling medium channel communicated with the outside, and the expander (1) is connected with the compressor (2) and transmits power to form a pressure-changing heat-absorbing gas power device.
8. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion speed-increasing machine, compressor, pressure-boosting heat absorber and cooler; the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure boosting heat absorber (9) through the compressor (2), and the pressure boosting heat absorber (9) is also provided with a circulating working medium channel which is communicated with the expansion speed increaser (6); the pressure boosting heat absorber (9) is also provided with a heat source medium channel communicated with the outside, the cooler (4) is also provided with a cooling medium channel communicated with the outside, and the expansion speed increaser (6) is connected with the compressor (2) and transmits power to form a pressure-changing heat-absorbing gas power device.
9. The pressure-varying heat-absorbing gas power equipment is mainly formed from expansion speed-increasing machine, double-energy compressor, pressure-boosting heat absorber and cooler; the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure boosting heat absorber (9) through the dual-energy compressor (5), and the pressure boosting heat absorber (9) is also provided with a circulating working medium channel which is communicated with the expansion speed increaser (6); the pressure boosting heat absorber (9) is also provided with a heat source medium channel communicated with the outside, the cooler (4) is also provided with a cooling medium channel communicated with the outside, and the expansion speed increaser (6) is connected with the dual-energy compressor (5) and transmits power to form a pressure-changing heat-absorbing gas power device.
10. The pressure-variable heat-absorbing gas power device mainly comprises an expansion speed increaser, a diffuser pipe, a pressure-boosting heat absorber and a cooler; the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4), the cooler (4) is also provided with a circulating working medium channel which is communicated with the pressure boosting heat absorber (9) through the pressure diffusion pipe (7), and the pressure boosting heat absorber (9) is also provided with a circulating working medium channel which is communicated with the expansion speed increaser (6); the pressure boosting heat absorber (9) is also provided with a heat source medium channel communicated with the outside, and the cooler (4) is also provided with a cooling medium channel communicated with the outside to form a pressure-changing heat-absorbing gas power device.
11. A variable-pressure heat absorption gas power device is characterized in that a heat regenerator is added in the variable-pressure heat absorption gas power device according to claim 7, a circulating working medium channel of an expansion machine (1) is communicated with a cooler (4) and adjusted to be communicated with the cooler (4) through the heat regenerator (8), a circulating working medium channel of the cooler (4) is communicated with a boosting heat absorber (9) through a compressor (2) and adjusted to be communicated with the boosting heat absorber (9) through the compressor (2) and the heat regenerator (8), and the variable-pressure heat absorption gas power device is formed.
12. A pressure-varying heat-absorbing gas power device is characterized in that a heat regenerator is added in the pressure-varying heat-absorbing gas power device of claim 8, a circulating working medium channel of an expansion speed increaser (6) is communicated with a cooler (4) and adjusted to be that the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4) through the heat regenerator (8), a circulating working medium channel of the cooler (4) is communicated with a pressure-boosting heat absorber (9) through a compressor (2) and adjusted to be that the cooler (4) is provided with a circulating working medium channel which is communicated with the pressure-boosting heat absorber (9) through the compressor (2) and the heat regenerator (8), and the pressure-varying heat-absorbing gas power device is formed.
13. A variable-pressure heat absorption gas power device is characterized in that a regenerator is added in the variable-pressure heat absorption gas power device of claim 9, a circulating working medium channel of an expansion speed increaser (6) is communicated with a cooler (4) and adjusted to be that the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4) through the regenerator (8), and a circulating working medium channel of the cooler (4) is communicated with a boosting heat absorber (9) through a dual-energy compressor (5) and adjusted to be that the cooler (4) is provided with a circulating working medium channel which is communicated with the boosting heat absorber (9) through the dual-energy compressor (5) and the regenerator (8), so that the variable-pressure heat absorption gas power device is formed.
14. A pressure-varying heat-absorbing gas power device is characterized in that a regenerator is added in the pressure-varying heat-absorbing gas power device of claim 10, a circulating working medium channel of an expansion speed increaser (6) is communicated with a cooler (4) and adjusted to be that the expansion speed increaser (6) is provided with a circulating working medium channel which is communicated with the cooler (4) through the regenerator (8), and a circulating working medium channel of the cooler (4) is communicated with a pressure-boosting heat absorber (9) through a pressure-expanding pipe (7) and adjusted to be that the cooler (4) is provided with a circulating working medium channel which is communicated with the pressure-boosting heat absorber (9) through the pressure-expanding pipe (7) and the regenerator (8), so that the pressure-varying heat-absorbing gas power device is formed.
CN202111118255.4A 2020-09-20 2021-09-16 Variable pressure heat absorption gas power device Pending CN114017152A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011036697 2020-09-20
CN202011036697X 2020-09-20

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CN114017152A true CN114017152A (en) 2022-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111118255.4A Pending CN114017152A (en) 2020-09-20 2021-09-16 Variable pressure heat absorption gas power device

Country Status (1)

Country Link
CN (1) CN114017152A (en)

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