CN212376703U - Solar-assisted waste incineration cogeneration system utilizing absorption heat pump - Google Patents
Solar-assisted waste incineration cogeneration system utilizing absorption heat pump Download PDFInfo
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- CN212376703U CN212376703U CN201922400595.0U CN201922400595U CN212376703U CN 212376703 U CN212376703 U CN 212376703U CN 201922400595 U CN201922400595 U CN 201922400595U CN 212376703 U CN212376703 U CN 212376703U
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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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- 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
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The utility model discloses an utilize solar energy of absorption heat pump to assist waste incineration combined heat and power generation system who belongs to the complementary field of multipotency. The system comprises a waste incineration power generation part, a solar heat collection part, a heat supply part and the like, and the complementary integration of waste incineration and solar photo-thermal cogeneration is realized through an absorption heat pump. The heat conduction oil absorbs heat from the groove type solar energy and then serves as a driving heat source of the absorption heat pump, and circulating cooling water of a condenser of the generator set serves as a low-temperature heat source; the return water of the heat supply network is heated in the absorption heat pump, and then is further heated in the heat supply network heater by using the extraction steam of the steam turbine. The utility model discloses a msw incineration combined heat and power generation unit is integrated with the coupling in solar energy collection field, realizes the high-efficient utilization to medium temperature solar energy, has reduced the heat supply steam extraction volume, brings higher power generation benefit, and the totality economic efficiency is showing and is improving.
Description
Technical Field
The utility model relates to a complementary technical field of multipotency, in particular to combined heat and power generation system of solar energy and msw incineration unit coupling, concretely relates to utilize solar energy of absorption heat pump to assist msw incineration combined heat and power generation system.
Background
Currently, energy conservation and emission reduction are important strategic problems of sustainable development of the economy and the society, and are important strategic tasks of the economy and the social development determined by the nation. The electric power industry is not only a creator of high-quality clean energy, but also a primary energy consumption household and a pollution emission household, and is also a key field for implementing energy conservation and emission reduction in China. The waste incineration power generation is a novel power generation system which accords with three principles of harmlessness, reduction and recycling and is widely adopted by western developed countries. The municipal solid waste treatment mode can change waste into valuable, is used for power generation and heat supply, can save fossil energy, and reduces the emission of gases such as carbon dioxide and the like.
In addition, under the situation that ecological environment protection is comprehensively enhanced and energy constraint indexes are further strict, the significance of deep development and utilization of solar energy is very important. The solar heat utilization technologies commonly used at present include flat plate type heat collectors, vacuum tube type heat collectors, trough type heat collectors, and the like.
The complementary integration of waste incineration and solar heat collection is carried out by an absorption heat pump technology, and the superiority of clean energy can be fully exerted. The utility model discloses an use and to reduce heat supply extraction steam volume, bring higher electricity generation benefit, the overall economy of msw incineration unit is showing and is improving.
Disclosure of Invention
The utility model discloses to the complementary coupling heat supply problem of multipotency, provide an utilize solar energy of absorption heat pump to assist waste incineration combined heat and power generation system, this system realizes waste incineration and solar photothermal combined heat and power generation complementary integration through the absorption heat pump. The heat conduction oil absorbs heat from the groove type solar energy and then serves as a driving heat source of the absorption heat pump, and circulating cooling water of a condenser of the generator set serves as a low-temperature heat source; the return water of the heat supply network is heated in the absorption heat pump, and then is further heated in the heat supply network heater by using the extraction steam of the steam turbine. The utility model discloses a msw incineration combined heat and power generation unit is integrated with the coupling in solar energy collection field, realizes the high-efficient utilization to medium temperature solar energy, has reduced the heat supply steam extraction volume, brings higher power generation benefit, and the totality economic efficiency is showing and is improving.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a solar energy auxiliary waste incineration cogeneration system utilizing an absorption heat pump mainly comprises a waste incineration power generation part, a solar heat collection part, a heat supply part and the like; the main equipment comprises a groove type solar heat collector, an absorber, a generator, a condenser, an evaporator and the like.
In the waste incineration power generation part, a waste incineration boiler is sequentially connected with a steam turbine and a power generator, a steam exhaust port of the steam turbine is sequentially connected with a condenser and a condensate pump, and condensate water sequentially passes through a waste heat utilization heat exchanger, a deaerator and a water feed pump and enters the waste incineration boiler as feed water.
The steam turbine has three streams of steam extraction, one stream of steam extraction leads to the deaerator, the other stream of steam extraction leads to the waste heat utilization heat exchanger, the other stream of steam extraction leads to the heat supply network heater, and the drained water after heat exchange in the heat supply network heater and the drained water of the waste heat utilization heat exchanger are mixed and flow to the condenser.
The heat conduction oil outlet of the groove type solar heat collector is connected with the heat storage tank, and the heat conduction oil outlet of the heat storage tank is connected with the heat conduction oil inlet of the groove type solar heat collector.
In the absorption heat pump, a lithium bromide dilute solution flows out of an absorber, enters a solution heat exchanger through a solution pump, enters a generator for absorbing heat after heat exchange, becomes a concentrated solution after temperature rise, enters the solution heat exchanger for exchanging heat with the dilute solution, and then returns to the absorber, water vapor evaporated in the generator enters an evaporator through a condenser and a throttle valve, evaporated low-pressure steam enters the absorber to form a cycle, and a working medium pump pumps the unevaporated water back to the evaporator in a spraying mode.
And a part of heat conduction oil flows out of the heat storage tank, enters the generator to heat the lithium bromide solution, and returns the heat conduction oil after heat exchange with the solution to the heat storage tank.
And part of circulating cooling water for cooling the exhaust steam of the steam turbine enters the evaporator, and is used as cooling water to return to the condenser to cool the exhaust steam after heat exchange and temperature reduction.
The return water of the heat supply network enters the absorber to absorb heat for the first time, then flows into the condenser to absorb heat for the second time, then is heated for the third time in the heat supply network heater, and then is supplied to the user side to supply heat.
The utility model has the advantages of it is following and effect:
1) the waste incineration unit and the solar energy are coupled and integrated through the absorption heat pump, so that the utilization of clean energy and solar energy is increased, the energy conservation and emission reduction of a power plant are facilitated, and the positive effect on improving the environment is achieved;
2) the heating heat supply network returns water, the heat supply steam extraction amount is reduced, higher power generation benefits are brought, and the overall economy is obviously improved.
Drawings
Fig. 1 is a schematic view of a solar-assisted waste incineration cogeneration system using an absorption heat pump.
In the figure: 1-a waste incineration boiler; 2-a steam turbine; 3-a heating network heater; 4-a generator; 5-a condenser; 6-a condensate pump; 7-a waste heat utilization heat exchanger; 8-a deaerator; 9-a water supply pump; 10-trough solar thermal collector; 11-a heat storage tank; 12-an absorber; 13-a solution pump; 14-solution heat exchanger; 15-a generator; 16-a condenser; 17-a throttle valve; 18-an evaporator; 19-working medium pump.
Detailed Description
The utility model provides an utilize solar energy of absorption heat pump to assist waste incineration combined heat and power generation system, the explanation is given below in combination with the figure and the example.
As shown in fig. 1, the solar-assisted waste incineration cogeneration system using an absorption heat pump mainly includes a waste incineration power generation portion, a solar heat collection portion, a heat supply portion, and the like; the main equipment includes a trough solar collector 10, an absorber 12, a generator 15, a condenser 16, an evaporator 18, etc.
In the waste incineration power generation part, a waste incineration boiler 1 is sequentially connected with a steam turbine 2 and a power generator 4, a steam outlet of the steam turbine 2 is sequentially connected with a condenser 5 and a condensate pump 6, and condensate water sequentially passes through a waste heat utilization heat exchanger 7, a deaerator 8 and a water feed pump 9 and enters the waste incineration boiler 1 as feed water.
The steam turbine 2 has three streams of steam extraction, one stream of steam extraction leads to the deaerator 8, the other stream of steam extraction leads to the waste heat utilization heat exchanger 7, the other stream of steam extraction leads to the heat supply network heater 3, and the drained water after heat exchange in the heat supply network heater 3 and the drained water of the waste heat utilization heat exchanger 7 are mixed and flow to the condenser 5.
The heat conducting oil outlet of the groove type solar heat collector 10 is connected with the heat storage tank 11, and the heat conducting oil outlet of the heat storage tank 11 is connected with the heat conducting oil inlet of the groove type solar heat collector 10.
In the absorption heat pump, a lithium bromide dilute solution flows out of an absorber 12, enters a solution heat exchanger 14 through a solution pump 13, enters a generator 15 after heat exchange to absorb heat, becomes a concentrated solution after temperature rise, enters the solution heat exchanger 14 to exchange heat with the dilute solution, and then returns to the absorber 12, water vapor evaporated in the generator 15 enters an evaporator 18 through a condenser 16 and a throttle valve 17, evaporated low-pressure steam enters the absorber 12 to form a cycle, and a working medium pump 19 pumps the unevaporated water back to the evaporator 18 in a spraying mode.
And a part of the heat conduction oil flows out of the heat storage tank 11, enters the generator 15 to heat the lithium bromide solution, and returns the heat conduction oil after heat exchange with the solution to the heat storage tank 11.
And part of circulating cooling water for cooling the exhaust steam of the steam turbine 2 enters the evaporator 18, and is used as cooling water to return to the condenser 5 for cooling the exhaust steam after heat exchange and temperature reduction.
The return water of the heat supply network enters the absorber 12 to absorb heat for the first time, then flows into the condenser 16 to absorb heat for the second time, and then flows into the heat supply network heater 3 to be heated for the third time, and then flows to the user side to supply heat.
The following examples are given to illustrate specific control procedures:
when the absorption heat pump operates, the lithium bromide dilute solution flows out of the absorber 12, is firstly boosted by the solution pump 13, then enters the solution heat exchanger 14, absorbs the heat of the concentrated solution from the generator 15 in the solution heat exchanger, and the concentration and the pressure are unchanged while the temperature is increased, and then enters the generator 15. Heat from the conduction oil in the heat storage tank 11 is absorbed in the generator 15 to reach the boiling temperature, and thus water vapor is generated while the solution concentration is increased. The concentrated solution flows out of the generator 15 and enters the solution heat exchanger 14 to release heat to dilute solution for cooling, and then enters the absorber 12 again to be cooled to saturated solution under absorption pressure, and then the next solution circulation is started. The working medium vapor generated by the generator 15 enters the condenser 16, releases heat and condenses therein, then is depressurized by the throttle valve 17, enters the evaporator 18, absorbs heat from the circulating cooling water of the waste incineration unit in the evaporator, becomes low-pressure vapor, and enters the absorber 12 to be absorbed.
The groove type solar heat collector 10 absorbs the heat of the sun to heat the internal heat transfer working medium heat transfer oil, the heat transfer oil flows into the heat storage tank 11 to store the heat, a part of the heat transfer oil enters the generator 15 to heat the lithium bromide solution, and returns to the heat storage tank 11 after being cooled, and then flows back to the groove type solar heat collector 10 to continuously absorb the heat.
The return water of the heat supply network enters the absorber 12 to absorb heat for the first time, then flows into the condenser 16 to absorb heat for the second time, then enters the heat supply network heater 3 to absorb heat for the third time, and then is supplied to the user side, so that the heat supply steam extraction amount of the waste incineration unit is reduced, and higher power generation benefit is brought.
In addition, it should be noted that the shapes, names, and the like of the components of the embodiments described in the present specification may be different. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. A solar energy auxiliary waste incineration cogeneration system utilizing an absorption heat pump mainly comprises a waste incineration power generation part, a solar heat collection part, a heat supply part and the like; the main equipment comprises a groove type solar heat collector (10), an absorber (12), a generator (15), a condenser (16), an evaporator (18) and the like; the method is characterized in that the steam turbine (2) has three steam extractions, one steam extraction is communicated with a deaerator (8), the other steam extraction is communicated with a waste heat utilization heat exchanger (7), the other steam extraction is communicated with a heat supply network heater (3), and the mixed water of the drained water after heat exchange in the heat supply network heater (3) and the drained water of the waste heat utilization heat exchanger (7) flows to a condenser (5); the return water of the heat supply network enters an absorber (12) for first heat absorption, then flows into a condenser (16) for second heat absorption, then enters a heat supply network heater (3) for third heating, and then enters a user side for heat supply; part of circulating cooling water for cooling the exhaust steam of the steam turbine (2) enters an evaporator (18), and is used as cooling water to return to a condenser (5) to cool the exhaust steam after heat exchange and temperature reduction; the heat conduction oil outlet of the groove type solar heat collector (10) is connected with the heat storage tank (11), and the heat conduction oil outlet of the heat storage tank (11) is connected with the heat conduction oil inlet of the groove type solar heat collector (10).
2. The solar-assisted waste incineration cogeneration system using an absorption heat pump according to claim 1, wherein the waste incineration power generation part is characterized in that a waste incineration boiler (1) is sequentially connected with a steam turbine (2) and a power generator (4), a steam exhaust port of the steam turbine (2) is sequentially connected with a condenser (5) and a condensate pump (6), and condensate water sequentially passes through a waste heat utilization heat exchanger (7), a deaerator (8) and a water feed pump (9) and enters the waste incineration boiler (1) as feed water.
3. The solar-assisted waste incineration cogeneration system using an absorption heat pump according to claim 1, wherein in the absorption heat pump, a lithium bromide dilute solution flows out of an absorber (12), enters a solution heat exchanger (14) through a solution pump (13), enters a generator (15) to absorb heat after heat exchange, becomes a concentrated solution after temperature rise, enters the solution heat exchanger (14) to exchange heat with the dilute solution, and then returns to the absorber (12), water vapor evaporated from the generator (15) enters an evaporator (18) through a condenser (16) and a throttle valve (17), evaporated low-pressure steam enters the absorber (12) to form a circulation, and a working medium pump (19) sprays non-evaporated water back to the evaporator (18) again.
4. The solar-assisted waste incineration cogeneration system using an absorption heat pump according to claim 1, wherein the heat conducting oil in the heat storage tank (11) enters the generator (15) to heat the lithium bromide solution, and the heat conducting oil after heat exchange with the solution returns to the heat storage tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400595.0U CN212376703U (en) | 2019-12-27 | 2019-12-27 | Solar-assisted waste incineration cogeneration system utilizing absorption heat pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922400595.0U CN212376703U (en) | 2019-12-27 | 2019-12-27 | Solar-assisted waste incineration cogeneration system utilizing absorption heat pump |
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| CN212376703U true CN212376703U (en) | 2021-01-19 |
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| CN201922400595.0U Expired - Fee Related CN212376703U (en) | 2019-12-27 | 2019-12-27 | Solar-assisted waste incineration cogeneration system utilizing absorption heat pump |
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2019
- 2019-12-27 CN CN201922400595.0U patent/CN212376703U/en not_active Expired - Fee Related
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Granted publication date: 20210119 Termination date: 20211227 |