CN112923431A - Supply heat accumulation system of abandoning wind and abandoning light - Google Patents
Supply heat accumulation system of abandoning wind and abandoning light Download PDFInfo
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- CN112923431A CN112923431A CN202110350590.0A CN202110350590A CN112923431A CN 112923431 A CN112923431 A CN 112923431A CN 202110350590 A CN202110350590 A CN 202110350590A CN 112923431 A CN112923431 A CN 112923431A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a heat supply and storage system for eliminating wind and light abandoning, which comprises a solar heat collection device and the like; the solar heat collection device is used for absorbing and converting solar energy into heat energy of a heat collection working medium, and the heat collection working medium absorbs heat and rises temperature and then circularly flows along the pipeline to exchange heat with cold water in a circulating water cold water pipeline of the heat supply network; the wind turbine heating device is used for converting wind energy into electric energy, further converting rotary mechanical energy into heat energy of a stirring working medium, enabling the stirring working medium to be heated and then to exchange heat with cold water in a circulating water cold water pipeline of a heat supply network, and surplus circulating water hot water of the heat supply network can be stored through the heat storage water tank and is led out through the circulating water hot water pipeline of the heat supply network. The invention adopts the abandoned wind and abandoned light energy sources, the energy conversion form is solar energy-heat energy, wind energy-mechanical energy-heat energy, the energy conversion efficiency is higher, the equipment cost is lower, and the investment recovery period is shorter. The invention has wide applicability, can be popularized and used in a wide range, has flexible and efficient system, combines heat supply and heat storage, and is green and environment-friendly.
Description
Technical Field
The invention belongs to the technical field of new energy application, and particularly relates to a heat supply and storage system for consuming wind and light.
Background
Wind energy and solar energy are used as clean renewable energy sources, and are rapidly developed and widely applied in the electric power industry of China in recent years. At present, the total installed amount of wind power and photoelectricity in China is the first in the world. However, due to the restriction of various factors, the wind power and the photoelectric power have serious waste phenomena, particularly, the wind and the photoelectric power are abandoned most seriously in northern areas, and a large number of wind power and photoelectric units are shut down.
At present, there are also design schemes for supplying heat by respectively consuming waste wind and light, for example, chinese patent with application publication number CN106322822A, 10.8.2016, which discloses a combined cooling and heating system and method for consuming waste wind and light. The invention firstly converts wind energy and solar energy into electric energy, then utilizes an electric boiler to produce heat energy, and is matched with a ground source heat pump for assistance. The drawbacks of this design are mainly: firstly, wind energy and solar energy are converted into electric energy and then into heat energy, and the secondary conversion greatly reduces the energy conversion efficiency; secondly, the temperature of local soil can be changed to a certain extent by using the ground source heat pump for a long time, which is not beneficial to the ecological stability development of the area; moreover, the system is over complex in design, more devices are added, the cost is obviously increased, and the investment recovery period is greatly prolonged.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a heat supply and storage system for consuming abandoned wind and abandoned light, which is simple in structure and low in cost.
In order to solve the technical problems, the invention adopts the technical scheme that:
a heat supply and storage system for eliminating wind and light waste comprises a solar heat collection device, a wind turbine heating device, a heat storage water tank, a heat supply network circulating water cold water pipeline and a hot water pipeline;
the solar heat collection device is used for absorbing and converting solar energy into heat energy of a heat collection working medium, and the heat collection working medium absorbs heat and rises temperature and then circularly flows along the pipeline to exchange heat with cold water in a circulating water cold water pipeline of the heat supply network;
the wind turbine heating device is used for converting wind energy into electric energy and further converting rotary mechanical energy into heat energy of a stirring working medium, so that the stirring working medium is heated and then exchanges heat with cold water in a circulating water cold water pipeline of a heat supply network, and circulating water hot water of the heat supply network is collected through a heat storage water tank and led out through a circulating water hot water pipeline of the heat supply network.
The invention has the further improvement that the wind turbine heating device comprises a vertical shaft wind turbine, an automatic gearbox, a steering transmission device and a stirring heater which are sequentially connected.
The invention has the further improvement that the vertical axis wind turbine is used for converting waste wind energy into mechanical energy of the wind turbine and driving a rotating shaft of the wind turbine to rotate vertically; the automatic gearbox is arranged at the bottom of the vertical shaft wind turbine, can switch different speed ratios according to the rotating speed of a rotating shaft of the wind turbine, and is used for maintaining the steering transmission device and the stirring heater to stably run at a constant speed.
The invention is further improved in that one end of the steering transmission device is connected with the stirring heater in the horizontal direction, and the other end of the steering transmission device is connected with the automatic transmission in the vertical direction.
The invention is further improved in that the stirring heater is internally provided with a blade group and is filled with stirring working media, and the stirring working media are usually in a gas state or a liquid state.
The invention is further improved in that the inlet and the outlet of the heat storage water tank are respectively provided with a heat storage tank water inlet valve and a heat storage tank water outlet valve.
The invention is further improved in that the heat storage water tank is a vertical tank, the top of the tank is provided with a water inlet, the bottom of the tank is provided with a water outlet, and the shell of the tank body is attached with a heat insulation layer.
The invention is further improved in that a circulating water pump front valve, a circulating water pump rear valve, a first heat exchanger and a second heat exchanger are sequentially arranged on the heat supply network circulating water cold water pipeline.
The invention is further improved in that a first water outlet valve is arranged on a circulating water hot water pipeline of the heat supply network, the outlet of the first water outlet valve is divided into two paths, one path is a heat exchange water outlet main pipeline, a second water outlet valve is arranged on the pipeline, the other path is connected to the inlet of the heat storage water tank, and the outlet of the heat exchange water outlet main pipeline and the outlet of the heat storage water tank are combined into one path.
The invention has at least the following beneficial technical effects:
according to the heat supply and storage system for absorbing and removing the abandoned wind and the abandoned light, the solar heat collection device converts the abandoned solar energy into the heat energy of the heat collection working medium, and the heat collection working medium absorbs heat and is heated up to perform primary heat exchange with the circulating water cold water of the heat supply network in the first heat exchanger. The wind turbine heating device converts waste wind energy into heat energy of the stirring heating working medium, and the stirring heating working medium absorbs heat and heats up and then carries out secondary heat exchange with circulating water cold water of a heat supply network in the second heat exchanger. The hot net circulating water cold water is heated by the heat exchangers twice, the temperature reaches the hot net hot water standard, and finally flows out along the pipeline to supply heat to external hot users. On this basis, still be provided with the heat accumulation water pitcher among the heat supply network circulating water hot water pipeline, effectively improved the flexibility of system: when the heat demand of a user is low, the surplus hot water is stored in the heat storage water tank, so that the energy loss is reduced; when the heat demand of a user is increased, hot water in the heat storage water tank is released while normal heat supply is carried out, and peak heat supply capacity is enhanced. The system adopts abandoned wind and abandoned light energy, the energy conversion form is solar energy-heat energy, wind energy-mechanical energy-heat energy, compared with the common mode of generating electricity first and then heating, the energy conversion efficiency is higher, on one hand, the waste of renewable energy sources is avoided, the energy utilization rate is improved, and the system also has certain effect on maintaining the safety and stability of the power grid; on the other hand, the system has simple integral structure, lower equipment cost and shorter investment recovery period. The invention is based on various forms of solar heat collectors, vertical axis wind turbines and stirring heat collectors, has wide applicability, can be popularized and used in a large range, has flexible and efficient system, combines heat supply and heat storage, and is green and environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Description of reference numerals:
1. the system comprises a vertical axis wind turbine, 2, an automatic gearbox, 3, a steering transmission device, 4, a stirring heater, 5, a solar heat collection device, 6, a circulating water pump front valve, 7, a circulating water pump, 8, a circulating water pump rear valve, 9, a first water outlet valve, 10, a heat storage tank water inlet valve, 11, a heat storage water tank, 12, a heat storage tank water outlet valve, 13, a second water outlet valve, 14, a second heat exchanger, 15 and a first heat exchanger.
Detailed Description
The heat supply and storage system for eliminating wind and light abandoning according to the present invention will be further described in detail by taking the drawings as examples.
As shown in fig. 1, the heat supply and storage system for eliminating wind and light waste provided by the invention comprises a vertical axis wind turbine 1, an automatic gearbox 2, a steering transmission device 3, a stirring heat collector 4, a solar heat collection device 5, a circulating water pump front valve 6, a circulating water pump 7, a circulating water pump rear valve 8, a first water outlet valve 9, a heat storage tank water inlet valve 10, a heat storage water tank 11, a heat storage tank water outlet valve 12, a second water outlet valve 13, a second heat exchanger 14 and a first heat exchanger 15.
As shown in fig. 1, the solar heat collection device is used for absorbing and converting waste solar energy into heat energy of a heat collection working medium, and the heat collection working medium absorbs heat and is heated up and then circularly flows along a pipeline to exchange heat with circulating water cold water of a heat supply network.
As shown in fig. 1, the vertical axis wind turbine is used for converting waste wind energy into mechanical energy of the wind turbine, and driving a rotating shaft of the wind turbine to rotate in a vertical direction.
As shown in fig. 1, the automatic transmission 2 is installed at the bottom of the vertical axis wind turbine 1, and can switch different speed ratios according to the rotating speed of the rotating shaft of the wind turbine, so as to maintain the steering transmission device 3 and the stirring heater 4 to operate stably at a constant speed, and the type includes, but is not limited to, a gear type.
As shown in fig. 1, the steering gear 3 is connected to the agitator heater 4 at one end in a horizontal direction and to the automatic transmission 2 at the other end in a vertical direction, and the type includes, but is not limited to, a gear type and the like.
As shown in fig. 1, the automatic gearbox 2 is used in cooperation with the steering transmission device 3, and is used for converting the rotation of the rotating shaft of the vertical axis wind turbine 1 in the vertical direction into the rotation of the rotating shaft of the stirring heater 4 in the horizontal direction.
As shown in fig. 1, the stirring and heating device 4 is filled with stirring and heating working medium and is provided with a blade set, and the blade set is used for converting rotary mechanical energy into heat energy of the stirring and heating working medium, so that the stirring working medium is heated and then exchanges heat with circulating water cold water of a heat supply network. The stirring heating working medium is usually in a liquid state or a gas state, and has the characteristics of good stability, high specific heat and high temperature resistance.
As shown in fig. 1, the thermal storage water tank 11 is a vertical tank, and can effectively reduce heat loss generated by an inclined temperature layer in the tank compared with a horizontal tank, the top of the tank is provided with a water inlet, the bottom of the tank is provided with a water outlet, and the shell of the tank is attached with a thermal insulation layer.
As shown in fig. 1, a circulating water pump front valve, a circulating water pump rear valve, a first heat exchanger and a second heat exchanger are sequentially arranged on the heat supply network circulating water cold water pipeline.
As shown in fig. 1, a first water outlet valve is arranged on the heat supply network circulating water hot water pipeline, the outlet of the first water outlet valve is divided into two paths, one path is a heat exchange water outlet main pipeline, a second water outlet valve is arranged on the pipeline, the other path is connected to the inlet of the heat storage water tank, and the outlet of the heat exchange water outlet main pipeline and the outlet of the heat storage water tank are combined into one path.
The devices are connected by metal connecting rods or metal pipelines.
As shown in fig. 1, the working process of the heat supply and storage system for eliminating wind and light abandoning provided by the present invention is specifically described as follows:
the solar heat collection device absorbs the waste light energy and converts the waste light energy into heat energy of the heat collection working medium, and the heat collection working medium absorbs heat and rises in temperature and then circularly flows along the pipeline. The vertical axis wind turbine 1 is driven by waste wind energy to rotate along the vertical direction, the rotation is transmitted downwards, the rotation is converted into stable rotation along the horizontal direction after passing through the automatic gearbox 2 and the steering transmission device 3, the stirring heater 4 is driven to rotate and stir, and the stirring heating working medium absorbs heat gradually and heats up in the process.
And when the heat storage tank normally supplies heat, the front valve 6 of the circulating water pump, the rear valve 8 of the circulating water pump, the first water outlet valve 9 and the second water outlet valve 13 are opened, and the water inlet valve 10 of the heat storage tank and the water outlet valve 12 of the heat storage tank are closed. The heat supply network circulating water cold water flows in along the pipeline under the action of the circulating water pump, and when passing through the first heat exchanger, the cold water carries out primary heat exchange with the solar heat collecting working medium, then passes through the second heat exchanger, carries out secondary heat exchange with the stirring heating working medium, and finally the temperature reaches the heat supply network hot water standard. The hot water flows out along the pipeline through the first water outlet valve 9 and the second water outlet valve 13, and supplies heat to external heat users.
And during the heat supply valley, opening a front valve 6 of the circulating water pump, a rear valve 8 of the circulating water pump, a first water outlet valve 9, a water inlet valve 10 of the heat storage tank and a second water outlet valve 13, and closing a water outlet valve 12 of the heat storage tank. The heat supply network circulating water cold water flows in along the pipeline under the action of the circulating water pump, and when passing through the first heat exchanger, the cold water carries out primary heat exchange with the solar heat collecting working medium, then passes through the second heat exchanger, carries out secondary heat exchange with the stirring heating working medium, and finally the temperature reaches the heat supply network hot water standard. Hot water is divided into two paths after passing through a first water outlet valve 9, one path of hot water flows into a heat storage water tank 11 through a heat storage tank water inlet valve 10, and heat storage is finished after the hot water is filled; the other part flows out along the pipeline through a second water outlet valve 13 to supply heat to an external heat user.
And in the heat supply peak, opening a front valve 6 of the circulating water pump, a rear valve 8 of the circulating water pump, a first water outlet valve 9, a water outlet valve 12 of the heat storage tank and a second water outlet valve 13, and closing a water inlet valve 10 of the heat storage tank. The heat supply network circulating water cold water flows in along the pipeline under the action of the circulating water pump, and when passing through the first heat exchanger, the cold water carries out primary heat exchange with the solar heat collecting working medium, then passes through the second heat exchanger, carries out secondary heat exchange with the stirring heating working medium, and finally the temperature reaches the heat supply network hot water standard. The hot water flows out along the pipeline through the first water outlet valve 9 and the second water outlet valve 13, and supplies heat to external heat users. Meanwhile, the hot water in the heat storage water tank 11 flows out through the heat storage water outlet valve 12 to be used as a supplementary heat source for supplying heat to external heat users.
Claims (9)
1. A heat supply and storage system for eliminating wind and light is characterized by comprising a solar heat collection device (5), a wind machine heating device, a heat storage water tank (11) and a heat supply network circulating water cold water and hot water pipeline;
the solar heat collection device (5) is used for absorbing solar energy and converting the solar energy into heat energy of a heat collection working medium, and the heat collection working medium absorbs heat and rises temperature and then circularly flows along the pipeline to exchange heat with cold water in a circulating water cold water pipeline of a heat supply network;
the wind turbine heating device is used for converting wind energy into electric energy and further converting rotary mechanical energy into heat energy of a stirring working medium, so that the stirring working medium is heated and then exchanges heat with cold water in a circulating water cold water pipeline of a heat supply network, and circulating water hot water of the heat supply network is collected through a heat storage water tank (11) and is led out through a circulating water hot water pipeline of the heat supply network.
2. The heat supply and storage system for eliminating wind and light abandoning as claimed in claim 1, wherein the wind turbine heating device comprises a vertical axis wind turbine (1), an automatic gearbox (2), a steering transmission device (3) and a stirring heater (4) which are connected in sequence.
3. The heat supply and storage system for eliminating wind and light abandoning as claimed in claim 2, wherein the vertical axis wind turbine (1) is used for converting the abandoned wind energy into mechanical energy of the wind turbine and driving a rotating shaft of the wind turbine to rotate in the vertical direction; the automatic gearbox (2) is arranged at the bottom of the vertical shaft wind turbine (1), and can switch different speed ratios according to the rotating speed of a rotating shaft of the wind turbine to maintain the uniform and stable operation of the steering transmission device (3) and the stirring heater (4).
4. The heat supply and storage system for eliminating wind and light abandoning as claimed in claim 2, wherein the steering gear (3) is connected with the stirring heater (4) at one end in the horizontal direction and with the automatic transmission (2) at the other end in the vertical direction.
5. The heat supply and storage system for eliminating wind and light abandon according to claim 2, wherein the stirring heater (4) is provided with a blade group and is filled with a stirring working medium, and the stirring working medium is usually in a gas state or a liquid state.
6. The heat supply and storage system for eliminating wind and light abandoning as claimed in claim 1, wherein the inlet and outlet of the heat storage water tank (11) are respectively provided with a heat storage tank water inlet valve (10) and a heat storage tank water outlet valve (12).
7. The heat supply and storage system for dissipating wind and light waste according to claim 1, wherein the heat storage water tank (11) is a vertical tank, the top of the tank is a water inlet, the bottom of the tank is a water outlet, and the tank body is provided with an insulating layer.
8. The heat supply and storage system for eliminating wind and light abandoning of the abandoned wind and light according to claim 1, characterized in that a circulating water pump front valve (6), a circulating water pump (7), a circulating water pump rear valve (8), a first heat exchanger (15) and a second heat exchanger (14) are sequentially arranged on a circulating water cold water pipeline of a heat supply network.
9. The heat supply and storage system for eliminating wind and light abandoning of wind power generation as claimed in claim 1, wherein a first water outlet valve (9) is arranged on a circulating water hot water pipeline of the heat supply network, an outlet of the first water outlet valve (9) is divided into two paths, one path is a heat exchange water outlet main pipeline, a second water outlet valve (13) is arranged on the pipeline, the other path is connected to an inlet of the heat storage water tank (11), and an outlet of the heat exchange water outlet main pipeline and an outlet of the heat storage water tank (11) are combined into one path.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350590.0A CN112923431B (en) | 2021-03-31 | 2021-03-31 | Supply heat accumulation system of abandoning wind and abandoning light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110350590.0A CN112923431B (en) | 2021-03-31 | 2021-03-31 | Supply heat accumulation system of abandoning wind and abandoning light |
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| CN112923431A true CN112923431A (en) | 2021-06-08 |
| CN112923431B CN112923431B (en) | 2022-11-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059958A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Step heating cleaning and heating system with complementation of geoelectricity and sewage |
| CN115076753A (en) * | 2022-06-21 | 2022-09-20 | 华能伊春热电有限公司 | Multi-energy complementary heating system based on clean energy cascade utilization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115059958A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Step heating cleaning and heating system with complementation of geoelectricity and sewage |
| CN115076753A (en) * | 2022-06-21 | 2022-09-20 | 华能伊春热电有限公司 | Multi-energy complementary heating system based on clean energy cascade utilization |
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| CN112923431B (en) | 2022-11-08 |
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