CN208010540U - One kind being based on supercritical CO2The solar chp system of Brayton cycle - Google Patents
One kind being based on supercritical CO2The solar chp system of Brayton cycle Download PDFInfo
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- CN208010540U CN208010540U CN201820428944.2U CN201820428944U CN208010540U CN 208010540 U CN208010540 U CN 208010540U CN 201820428944 U CN201820428944 U CN 201820428944U CN 208010540 U CN208010540 U CN 208010540U
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- cooler
- heat
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- swelling part
- regenerator
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model is related to one kind being based on supercritical CO2The solar chp system of Brayton cycle, including solar thermal collector, swelling part and compressor, the high pressure low temperature CO of compressor outlet2It absorbs after solar thermal collector heat, into swelling part, swelling part exports shaft work, system further includes regenerator and cooler, regenerator low temperature side entrance is connected with swelling part outlet, and side entrance of low temperature side outlet and cooler is connect, and regenerator high temperature side entrance is connect with compressor outlet, the entrance of side outlet of cooler and compressor connects, and cooler secondary side is connect with heat user.Compared with prior art, swelling part outlet high temperature heat is applied in central heating system by the utility model, is achieved the purpose that thermal energy of having more than needed in rational and efficient use power circulation system, is increased the economy and the feature of environmental protection of system.
Description
Technical field
The utility model is related to a kind of clean energy resourcies to utilize system, and supercritical CO is based on more particularly, to one kind2Bretton
The solar chp system of cycle.
Background technology
For the energy utilization situation in China also in resource scarcity, utilization benefit is low, the seriously polluted stage.Making full use of can
The recycling energy is the effective approach for improving China's energy utilization rate.In recent years, solar energy is as a kind of sustainable energy, with it
Of low cost, reserves unlimitedness, the outstanding speciality such as spatter property becomes the heat source of most competitiveness, and achieve it is larger into
Exhibition and breakthrough.In application of solar energy, based on the solar energy thermal-power-generating of supercritical CO 2 Brayton cycle, because of its higher efficiency
And environment friendly and be concerned.
In supercritical CO 2 Brayton cycle technology, swelling part (steam turbine) outlet temperature is higher, is directly entered cooling
Heat is taken away in device, the condensation of cycle fluid cooled medium, causes heat directly discarded, the problem of loss there is the energy.This portion
Divide heat huge, there is prodigious utilization rate to improve space.
Application No. is a kind of solar chp systems of 200410009780.2 patent disclosure, utilize rotary parabolic
Face condenser has achieved the purpose that improve focusing ratio and electricity conversion, has improved Solar use as a concentrator
Efficiency.Application No. is a kind of solar power generations using solar energy different wave length characteristic of 201510174193.7 patent disclosure
Heating plant.Application No. is a kind of utilization recirculated waters of 201410414849.3 patent disclosure effectively to solve photovoltaic module heat dissipation
The solar energy co-generation system of problem.Application No. is a kind of butterflies based on Brayton cycle of 201610049166.1 patent disclosure
Formula solar heat power generation system, it is low to solve general solar heat power generation system electricity conversion, flexibility difference and structure
Complexity, the problem of operating maintenance difficulty.However above-mentioned patent does not solve the problem of swelling part outlet working medium heat waste.
Utility model content
The purpose of this utility model is exactly to provide a kind of solution high temperature to overcome the problems of the above-mentioned prior art
Heat waste based on supercritical CO2The solar chp system of Brayton cycle.
The purpose of this utility model can be achieved through the following technical solutions：
One kind being based on supercritical CO2The solar chp system of Brayton cycle, including solar thermal collector, expansion
Component and compressor, the high pressure low temperature CO of the compressor outlet2It absorbs after solar thermal collector heat, into expansion
Component, swelling part export shaft work,
The system further includes regenerator and cooler, and the regenerator low temperature side entrance connects with swelling part outlet
It connects, side entrance of low temperature side outlet and cooler is connect, and regenerator high temperature side entrance is connect with compressor outlet, cooler one
The entrance of secondary side outlet and compressor connects, and cooler secondary side is connect with heat user.
The regenerator high temperature side is connect by heater with solar thermal collector.
The heater is shell-and-tube heater, and the shell side of heater is connect with the solar thermal collector, tube side
Both ends are connect with regenerator high temperature side outlet and swelling part entrance respectively.
The cooler is shell-and-tube heat exchanger, and primary side is tube side, and secondary side is shell side.
The cooler secondary side connect to form heat supplying loop with heat user, and heat supplying loop is equipped with circulating pump.
The swelling part is expanding machine or steam turbine.
Compared with prior art, the utility model rationally recycles the high temperature heat of swelling part outlet using regenerator, first
Heat is used to heat the low temperature CO of compressor outlet outflow2, remaining heat is used in the secondary side of cooler, not only
Thermal loss in system can be effectively reduced, thermal efficiency of cycle, and the low-temp low-pressure CO of cooler tube side outflow are significantly improved2
It can recycle, be compressed into compressor, reduce environmental pollution.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Reference numeral：
1 is heater；2 be swelling part；3 be regenerator；4 be cooler；5 be compressor；6 be solar thermal collector；7
For heat user；8 be circulating pump.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, gives detailed embodiment and specific operating process, but the guarantor of the utility model
Shield range is not limited to following embodiments.
Embodiment
As shown in Figure 1, including heater 1, swelling part 2, regenerator 3, cooler 4, compressor 5, solar thermal collector
6, heat user 7 and circulating pump 8 use the working medium such as conduction oil as transmit heat in solar thermal collector 6 and heater 1 and take hot Jie
Matter uses the working medium such as recirculated water for the cooling medium in cooler 4, is accomplished by the following way：
Basic cycle：Swelling part 2 (for expanding machine or steam turbine) outlet is connected with 3 low temperature side entrance of regenerator, backheat
3 low temperature side outlet of device is connected with 4 tube-side inlet of cooler, and the outlet of 4 tube side of cooler is connected with 5 entrance of compressor, and compressor 5 goes out
Mouth is connected with 3 high temperature side entrance of regenerator, and 3 high temperature side outlet of regenerator is connected with 1 tube-side inlet of heater, 1 tube side of heater
Outlet is connected with 2 entrance of swelling part；1 shell side of heater is connected with solar thermal collector 6, and 4 shell-side outlet of cooler is used with heat
7 entrance of family is connected, and the outlet of heat user 7 is connected with 8 entrance of circulating pump, and the outlet of circulating pump 8 is connected with 4 shell side inlet of cooler.
On the one hand, shaft work, output electric energy are exported by swelling part in power cycle 2；Come from the collection of solar thermal collector 6
High temperature solar thermal energy heats heat transfer medium, and high temperature heat is promoted Temperature of Working, the CO of high temperature and pressure in heater 12Working medium
It does work into swelling part 2, and externally exports shaft work.The high-temperature low-pressure CO come out from swelling part 22Working medium is low through regenerator 3
Warm side absorbs part high temperature heat, then by entering compressor 5 after fluid cooling in 4 shell side of cooler, compressor 5 is to low pressure CO2
Working medium is pressurizeed, and the high temperature heat that regenerator 3 absorbs adds to the low temperature CO of the outlet of compressor 52In working medium, last high pressure CO2Working medium
Heater 1 is returned to, circular work is formed.
On the other hand, using the low pressure heat taken away by cooler 4, the secondary pipe network for substituting municipal central heating supplies back
Water provides stable heat output for heat user 7；The high-temperature low-pressure CO come out from swelling part 22Working medium, through 3 low temperature of regenerator
Side absorbs the low temperature CO that part high temperature heat adds to the outlet of compressor 52In working medium, then by fluid working substance in 4 shell side of cooler
After collecting heat, this partial heat is supplied into heat user 7, the secondary pipe network to substitute municipal central heating supplies water, from heat user 7
Low-temperature return water out by 8 adherence pressure of circulating pump to overcome resistance after, reenter 4 shell side of cooler, complete cycle.Using
The high temperature heat that rationally recycling swelling part 2 exports of regenerator 3, can effectively reduce thermal loss in system, significantly improve and follow
The ring thermal efficiency rationally utilizes resource, the economic benefit and environment friendly of lifting system.
Claims (6)
1. one kind being based on supercritical CO2The solar chp system of Brayton cycle, including solar thermal collector (6), expansion
Component (2) and compressor (5), the high pressure low temperature CO of the compressor (5) outlet2It absorbs from solar thermal collector (6) heat
After amount, into swelling part (2), swelling part (2) exports shaft work,
It is characterized in that, the system further includes regenerator (3) and cooler (4), the regenerator (3) low temperature side entrance
It exports and connects with swelling part (2), (4) side entrances of low temperature side outlet and cooler are connect, regenerator (3) high temperature side entrance
It exports and connects with compressor (5), (4) side outlets of cooler are connect with the entrance of compressor (5), cooler (4) secondary side
It is connect with heat user.
2. according to claim 1 a kind of based on supercritical CO2The solar chp system of Brayton cycle, it is special
Sign is that the regenerator (3) high temperature side is connect by heater (1) with solar thermal collector (6).
3. according to claim 2 a kind of based on supercritical CO2The solar chp system of Brayton cycle, it is special
Sign is that the heater (1) is shell-and-tube heater, and the shell side of heater (1) connects with the solar thermal collector (6)
It connects, tube side both ends are connect with regenerator (3) high temperature side outlet and swelling part (2) entrance respectively.
4. according to claim 1 a kind of based on supercritical CO2The solar chp system of Brayton cycle, it is special
Sign is that the cooler (4) is shell-and-tube heat exchanger, and primary side is tube side, and secondary side is shell side.
5. according to claim 4 a kind of based on supercritical CO2The solar chp system of Brayton cycle, it is special
Sign is that the cooler (4) secondary side connect to form heat supplying loop with heat user (7), and heat supplying loop is equipped with circulating pump
(8)。
6. according to claim 1 a kind of based on supercritical CO2The solar chp system of Brayton cycle, it is special
Sign is that the swelling part (2) is expanding machine or steam turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428944.2U CN208010540U (en) | 2018-03-28 | 2018-03-28 | One kind being based on supercritical CO2The solar chp system of Brayton cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428944.2U CN208010540U (en) | 2018-03-28 | 2018-03-28 | One kind being based on supercritical CO2The solar chp system of Brayton cycle |
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| CN208010540U true CN208010540U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820428944.2U Active CN208010540U (en) | 2018-03-28 | 2018-03-28 | One kind being based on supercritical CO2The solar chp system of Brayton cycle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695554A (en) * | 2018-03-28 | 2019-04-30 | 中电华创(苏州)电力技术研究有限公司 | One kind being based on supercritical CO2The solar chp system of Brayton cycle |
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2018
- 2018-03-28 CN CN201820428944.2U patent/CN208010540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695554A (en) * | 2018-03-28 | 2019-04-30 | 中电华创(苏州)电力技术研究有限公司 | One kind being based on supercritical CO2The solar chp system of Brayton cycle |
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