CN210197446U - Centralized heating heat source station of trough type solar energy coupling biomass boiler - Google Patents
Centralized heating heat source station of trough type solar energy coupling biomass boiler Download PDFInfo
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- CN210197446U CN210197446U CN201920504371.1U CN201920504371U CN210197446U CN 210197446 U CN210197446 U CN 210197446U CN 201920504371 U CN201920504371 U CN 201920504371U CN 210197446 U CN210197446 U CN 210197446U
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- 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
- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model discloses a centralized heating heat source station of a trough type solar coupling biomass boiler, which comprises a heat collection unit, an energy storage unit, an energy conversion unit and a heating power supplement and delivery unit which are connected in sequence; the heat collecting unit comprises a groove type solar heat collector, a first electric three-way regulating valve, a heat conducting oil circulating pump and an oil-gas separator which are sequentially connected, wherein the first end of the first electric three-way regulating valve is connected with the heat conducting oil circulating pump, the second end of the first electric three-way regulating valve is connected with an oil inlet end of the groove type solar heat collector, and the third end of the first electric three-way regulating valve is connected with an oil outlet of the groove type solar heat collector; the energy storage unit comprises a phase change energy accumulator and a second electric three-way regulating valve. The utility model adopts the above structure's centralized heating heat source station of slot type solar energy coupling biomass boiler is clean central heating's heat source station, and the town heating demand in areas such as northern area or tibetan plateau is satisfied in the coupling of two kinds of renewable energy of make full use of solar energy and living beings.
Description
Technical Field
The utility model relates to a clean heating technical field especially relates to a centralized heating heat source station of slot type solar energy coupling biomass boiler.
Background
In order to improve the heating cleanliness level in northern areas and reduce the emission of atmospheric pollutants, Ten committees such as the national improvement committee and the like formally release 'clean heating plan in winter in northern areas (2017 plus 2021 years)', clean heating in northern areas becomes one of important works in city development, a heating mode in a new period is selected by combining with the requirement of clean heating, and a renewable energy clean and environment-friendly heating mode is urgently needed to solve the problem of heating in towns which can not be covered by a traditional heating network.
The high-cold high-altitude county city of over 4000 meters in Qinghai-Tibet plateau has low temperature and long duration, the annual heating season is about 7 months, the problem of central heating cannot be solved in late due to the lack of traditional energy sources such as coal, natural gas, electric energy and the like, and a heating mode which can fully utilize local sufficient solar energy resources and does not damage local ecological environment is urgently needed.
China is a big agricultural country, biomass energy plays a very important role in economic development in a long time in future, biomass resource reserves are very rich, the quantity of crop straws and other crop residues is huge, the crop residues and waste are seriously wasted, the traditional straw burning mode is adopted, open-air burning is carried out, burning is insufficient, a large amount of carbon monoxide and particulate matters such as PM2.5 and PM10 can be generated, environmental pollution is caused, and how to change the straws into valuables is a great affair to be solved urgently in agricultural production in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centralized heating heat source station of slot type solar energy coupling biomass boiler is clean central heating's heat source station, and the coupling of two kinds of renewable energy of make full use of solar energy and living beings satisfies the cities and towns heating demand in areas such as northern area or tibetan plateau.
In order to achieve the purpose, the utility model provides a centralized heating heat source station of a trough type solar coupling biomass boiler, which comprises a heat collection unit, an energy storage unit, an energy conversion unit and a heating power supplement and delivery unit which are connected in sequence;
the heat collecting unit comprises a groove type solar heat collector, a first electric three-way regulating valve, a heat conducting oil circulating pump and an oil-gas separator which are sequentially connected, wherein the first end of the first electric three-way regulating valve is connected with the heat conducting oil circulating pump, the second end of the first electric three-way regulating valve is connected with an oil inlet end of the groove type solar heat collector, and the third end of the first electric three-way regulating valve is connected with an oil outlet of the groove type solar heat collector;
the energy storage unit comprises a phase change energy accumulator and a second electric three-way regulating valve, wherein the first end of the second electric three-way regulating valve is connected with the oil outlet of the groove type solar heat collector, the second end of the second electric three-way regulating valve is connected with the oil inlet of the phase change energy accumulator, and the third end of the second electric three-way regulating valve is connected with the oil outlet of the phase change energy accumulator;
the energy conversion unit comprises a solar oil-water heat exchanger and a third electric three-way regulating valve, wherein the first end of the third electric three-way regulating valve is connected with the oil outlet of the phase change energy accumulator, the second end of the third electric three-way regulating valve is connected with the oil inlet of the oil-gas separator, the third end of the third electric three-way regulating valve is connected with the oil inlet of the solar oil-water heat exchanger, and the oil outlet of the solar oil-water heat exchanger is connected with the oil inlet of the oil-gas separator;
the heating power supplement conveying unit comprises a biomass boiler, a fourth electric three-way regulating valve and a primary heat supply network circulating pump, wherein the first end of the fourth electric three-way regulating valve is connected with the primary heat supply network circulating pump, the second end of the fourth electric three-way regulating valve is connected with the water inlet of the solar oil-water heat exchanger, the third end of the fourth electric three-way regulating valve is connected with the water inlet of the biomass boiler, and the water outlet of the solar oil-water heat exchanger is connected with the water inlet of the biomass boiler.
Preferably, biomass boiler's delivery port is connected with the heating heat supply network through once heat supply network water supply pipe, the heating heat supply network through once heat supply network return water pipe with once heat supply network circulating pump is connected, once heat supply network circulating pump with be equipped with level pressure moisturizing module between the heating heat supply network, level pressure moisturizing module passes through the deoxidization water tank and is connected with the soft water all-in-one of deoxidization.
Preferably, a first temperature sensor is arranged between an oil outlet of the trough type solar thermal collector and the second electric three-way regulating valve, a second temperature sensor is arranged on the phase change energy accumulator, a third temperature sensor is arranged between the third electric three-way regulating valve and the phase change energy accumulator, and a fourth temperature sensor is arranged at a water inlet of the biomass boiler.
Preferably, the groove type solar heat collector, the phase change energy accumulator and the solar oil-water heat exchanger are all arranged in parallel.
Preferably, one side of the oil-gas separator is provided with a high-low tank module.
Therefore, the utility model adopts the above structure's centralized heating heat source station of slot type solar energy coupling biomass boiler is clean central heating's heat source station, and the town heating demand in areas such as northern area or tibetan plateau is satisfied in the coupling of two kinds of renewable energy of make full use of solar energy and living beings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the concentrated heating heat source station of the trough-type solar coupled biomass boiler of the present invention.
Reference numerals
100. A heat collection unit; 110. a trough solar collector; 120. a first electric three-way regulating valve; 130. A heat transfer oil circulating pump; 140. an oil-gas separator; 150. a high-low tank module; 160. a first temperature sensor;
200. an energy storage unit; 210. a phase change energy accumulator; 220. a second electric three-way regulating valve; 230. a second temperature sensor;
300. an energy conversion unit; 310. a solar oil-water heat exchanger; 320. a third electric three-way regulating valve; 330. a third temperature sensor;
400. a thermal power supplement conveying unit; 410. a biomass boiler; 420. a fourth electric three-way regulating valve; 430. A primary heat supply network circulating pump; 440. a constant pressure water supplementing module; 450. a deoxygenated water tank; 460. a deoxidizing and softening integrated machine; 470. a primary heat supply network water supply pipeline; 480. a primary heat supply network water return pipeline; 490. a fourth temperature sensor.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is the utility model discloses the centralized heating heat source station of slot type solar energy coupling biomass boiler embodiment, as shown in the figure, a centralized heating heat source station of slot type solar energy coupling biomass boiler, including the thermal-arrest unit 100 that connects gradually, energy storage unit 200, energy conversion unit 300 and heating power supply conveying unit 400, thermal-arrest unit 100 is the conduction oil with energy storage unit 200's heat conduction circulation medium, and the circulation medium that heating power supplied conveying unit 400 is water, and the heat conduction oil carries out heat transfer with water in the solar energy oil-water heat exchanger 310 of energy conversion unit 300. The heat collection unit 100, the energy storage unit 200, the energy conversion unit 300 and the thermal supplementary conveying unit 400 are all controlled by a PLC controller.
The heat collecting unit 100 is used for collecting solar energy, converting the solar energy into heat energy, and transmitting the heat energy to the heat conducting medium. The heat collecting unit 100 includes a trough-type solar heat collector 110, a first electric three-way regulating valve 120, a heat conducting oil circulating pump 130 and an oil-gas separator 140, which are connected in sequence. The trough solar collector 110 is composed of a solar parabolic reflecting condenser, a solar heat collecting pipe, a bracket and a sun tracking module and is used for collecting solar energy. The plurality of trough-type solar collectors 110 are arranged in parallel and can operate simultaneously. The first end of the first electric three-way regulating valve 120 is connected with the heat conducting oil circulating pump 130, the second end of the first electric three-way regulating valve is connected with the oil inlet end of the groove-type solar collector 110, the third end of the first electric three-way regulating valve is connected with the oil outlet of the groove-type solar collector 110, and the first electric three-way regulating valve 120 is used for regulating the flow direction of the heat conducting oil. The heat conducting oil circulating pump 130 is used for heat conducting oil circulation, and the oil-gas separator 140 is used for removing water vapor and air in the oil path system. One side of the oil-gas separator 140 is provided with a high-low tank module 150, and the high-low tank module 150 is further provided with a magnetic turning plate liquid level meter and an oil injection pump for supplying oil to the oil path system, emptying and sealing isolated air.
The energy storage unit 200 is used for storing heat, and storing abundant solar energy in the daytime for supplying heat at night or in rainy and snowy days, and when the solar energy is insufficient, continuous and stable output of the heat source station is ensured. The energy storage unit 200 comprises a phase change energy storage device 210 and a second electric three-way regulating valve 220, wherein the phase change energy storage device 210 uses a low-melting-point molten salt material as an energy storage material, and stores heat and releases heat through solid-liquid phase change of the molten salt. The phase change energy accumulators 210 are arranged in parallel, and can store energy at the same time.
The first end of the second electric three-way regulating valve 220 is connected with the oil outlet of the trough-type solar collector 110, the second end of the second electric three-way regulating valve is connected with the oil inlet of the phase change energy accumulator 210, the third end of the second electric three-way regulating valve 220 is connected with the oil outlet of the phase change energy accumulator 210, and the second electric three-way regulating valve 220 is used for regulating the flow direction of heat conducting oil entering and exiting the phase change energy accumulator. A first temperature sensor 160 is arranged between the oil outlet of the trough-type solar collector 110 and the second electric three-way regulating valve 220, and the first temperature sensor 160 is used for monitoring the temperature of the oil outlet of the trough-type solar collector 110. The phase change energy accumulator 210 is provided with a second temperature sensor 230, and the second temperature sensor 230 is used for monitoring the temperature of the phase change energy accumulator 210.
The energy conversion unit 300 is used for heat conversion, converts heat in high-temperature heat conduction oil into water, and heats the water to 120 ℃ so that the water can meet the water temperature and pressure required by the output of the heat source station. The energy conversion unit 300 comprises a solar oil-water heat exchanger 310 and a third electric three-way regulating valve 320, wherein a first end of the third electric three-way regulating valve 320 is connected with an oil outlet of the phase change energy accumulator 210, a second end of the third electric three-way regulating valve is connected with an oil inlet of the oil-gas separator 140, a third end of the third electric three-way regulating valve is connected with an oil inlet of the solar oil-water heat exchanger 310, and the third electric three-way regulating valve 320 is used for regulating the flow direction of heat conducting oil entering and exiting. The solar oil-water heat exchanger 310 is a shell-and-tube heat exchanger for oil-water heat exchange, high-temperature heat conducting oil circulates in a tube pass, and heating hot water circulates in a shell pass. The solar oil-water heat exchangers 310 are arranged in parallel and can be operated simultaneously. An oil outlet of the solar oil-water heat exchanger 310 is connected with an oil inlet of the oil-gas separator 140, and oil passing through the solar oil-water heat exchanger 310 enters the oil-gas separator 140. A third temperature sensor 330 is arranged between the third electric three-way regulating valve 320 and the phase change accumulator 210, and the third temperature sensor 330 is used for monitoring the temperature of the oil discharged from the phase change accumulator 210.
The heat supplement conveying unit 400 is used for assisting in heating and heat conveying, and when solar energy is insufficient at night or in rainy and snowy days, the biomass boiler 410 is started for assisting in heating. The heat supplement conveying unit 400 comprises a biomass boiler 410, a fourth electric three-way regulating valve 420 and a primary heat supply network circulating pump 430, wherein the biomass boiler 410 comprises a feeding system, a combustion system, a soot blowing system, a smoke and air system and an automatic control system, the biomass boiler 410 is a boiler using compressed biomass particles as fuel and used for auxiliary heating, and when the heat of the heat collection unit 100 and the heat storage unit 200 is insufficient, the biomass boiler 410 is started to supplement heat. The water inlet of the biomass boiler 410 is provided with a fourth temperature sensor 490, and the fourth temperature sensor 490 is used for monitoring the temperature of water entering the biomass boiler 410.
The first end of the fourth electric three-way regulating valve 420 is connected with the primary heat supply network circulating pump 430, the second end of the fourth electric three-way regulating valve is connected with the water inlet of the solar oil-water heat exchanger 310, the third end of the fourth electric three-way regulating valve 420 is connected with the water inlet of the biomass boiler 410, and the fourth electric three-way regulating valve 420 is used for regulating the flow direction of heating water entering the solar oil-water heat exchanger 310. The water outlet of the solar oil-water heat exchanger 310 is connected with the water inlet of the biomass boiler 410, and water after heat exchange by the solar oil-water heat exchanger 310 enters the biomass boiler 410.
The water outlet of the biomass boiler 410 is connected with a heating heat supply network through a primary heat supply network water supply pipeline 470, the heating heat supply network is connected with a primary heat supply network circulating pump 430 through a primary heat supply network water return pipeline 480, the water temperature of the primary heat supply network water supply pipeline 470 is 120 ℃, and the water temperature of the primary heat supply network water return pipeline 480 is 75 ℃. A constant-pressure water supplementing module 440 is arranged between the primary heat supply network circulating pump 430 and the heating heat supply network, and the constant-pressure water supplementing module 440 is used for constant pressure and water supplementing of the heat source station system, so that water can be supplemented in time when the pipeline system loses water, and the pressure in the pipeline can be kept balanced. Level pressure moisturizing module 440 is connected with soft all-in-one 460 of deoxidization through deoxidization water tank 450, and deoxidization water tank 450 stores oxygen-free water, and soft all-in-one 460 of deoxidization is used for detaching the calcium magnesium ion of aquatic, prevents the scale deposit of pipeline inner wall and heat exchanger coil pipe to detach the oxygen of aquatic, prevent that the pipeline from rusting and corroding.
The utility model discloses the heating mode in heat source station has: the method comprises 6 kinds of work of trough solar independent heating, trough solar heat supply combined phase change energy accumulator heat storage heating, trough solar heat supply combined phase change energy accumulator heat release heating, phase change energy accumulator heat release combined biomass boiler heating and biomass boiler independent heating.
The energy collected by the solar energy is transferred from the heat collecting unit 100 to the energy storage unit 200, the energy conversion unit 300 is transferred to the heat supplement conveying unit 400, and the energy of the biomass is coupled with the solar energy in the heat supplement conveying unit 400.
In the heat collecting unit 100, a first end 121 of a first electric three-way regulating valve 120 is connected with an oil outlet of a heat conducting oil circulating pump 130 through an oil pipeline, a second end 122 is connected with an oil inlet end of a groove type solar heat collector 110, a third end 123 is connected with the oil outlet of the groove type solar heat collector 110, and the strength of solar irradiance is judged through a detection irradiator. When the irradiance is strong, the second end 122 of the first electric three-way regulating valve 120 is opened, the third end 123 is closed, the heat conducting oil with low temperature enters the groove type solar heat collector 110, the low-temperature heat conducting oil is heated to become high-temperature heat conducting oil, and the high-temperature heat conducting oil is conveyed to the energy storage unit 200.
When the high-temperature heat conduction oil is conveyed to the second electric three-way regulating valve 220, the temperature of the first temperature sensor 160 is detected, when the oil temperature meets the heat storage requirement, the second end 222 is opened, the third end 223 is closed, the high-temperature heat conduction oil flows into the phase change energy accumulator 210, the molten salt material in the phase change energy accumulator 210 is heated, and the solid state of the molten salt heat storage material is changed into the liquid state, so that the heat absorption and the energy storage are realized. When the temperature of the first temperature sensor 160 does not meet the heat storage requirement, the second end 222 is closed, the third end 223 is opened, and the heat conducting oil enters the third electric three-way regulating valve 320 of the energy conversion unit 300. When the temperature of the first temperature sensor 160 meets the heat storage requirement, the second end 222 is opened, the third end 223 is closed, the high-temperature heat conducting oil flows into the phase change energy accumulator 210, exchanges heat with the phase change material through the internal pipeline of the phase change energy accumulator 210 to store energy, and the saturation of the heat storage amount is judged by detecting the second temperature sensor 230 installed on the phase change energy accumulator 210.
Through detecting the temperature of the third temperature sensor 330, when the temperature of the heat transfer oil meets the requirement, the third end 323 of the third electric three-way regulating valve 320 is opened, the second end 322 is closed, the high-temperature heat transfer oil enters the solar oil-water heat exchanger 310 for heat exchange, when the temperature of the heat transfer oil does not meet the requirement, the third end 323 of the third electric three-way regulating valve 320 is closed, the second end 322 is opened, and the high-temperature heat transfer oil enters the groove-type solar heat collector 110 for continuous heating through the main heat transfer oil return pipe.
Fourth electronic three way control valve 420, second end 422 is opened, third end 423 is closed, and primary heating network circulating pump 430 circulates 75 ℃ low temperature hot water to solar energy oil-water heat exchanger 310 and heats up, and high temperature hot water passes through biomass boiler 410, gets into primary heating network water supply pipe 470, circulates to second grade heat exchange station through primary heating network water supply pipe 470. When the heat of the heat collection unit 100 and the heat storage unit 200 is insufficient, the second end 422 of the fourth electric three-way regulating valve 420 is closed, the third end 423 of the fourth electric three-way regulating valve is opened, and the primary heat supply network backwater does not pass through the solar oil-water heat exchanger 310 any more and enters the biomass boiler 410 through the bypass pipeline to heat up and heat the water to 120 ℃.
The utility model discloses a heat source station preferentially uses solar energy resource to dispose the energy storage unit, can store unnecessary solar energy daytime, supply to use night, when there is not the sun overcast and rainy snow day, just can start biomass boiler, biomass particle itself belongs to low-priced fuel, but the working costs of greatly reduced heating, so, the working costs of heat source station in the season of heating is extremely low, is favorable to alleviateing resident's heating cost.
The utility model discloses a slot type solar energy, phase change energy storage ware and biomass boiler of heat source station can realize the zero clearance fit, lasts stable output 120 ℃ high temperature hot water, and high temperature hot water passes through second grade heat transfer station pressure release heat transfer back, satisfies the demand of town heating, and the heating temperature is high, lasts reliable and stable, and the comfort level is better.
Therefore, the utility model adopts the above structure's centralized heating heat source station of slot type solar energy coupling biomass boiler is clean central heating's heat source station, and the town heating demand in areas such as northern area or tibetan plateau is satisfied in the coupling of two kinds of renewable energy of make full use of solar energy and living beings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a centralized heating heat source station of slot type solar energy coupling biomass boiler which characterized in that: the system comprises a heat collection unit, an energy storage unit, an energy conversion unit and a heat supplement conveying unit which are connected in sequence;
the heat collecting unit comprises a groove type solar heat collector, a first electric three-way regulating valve, a heat conducting oil circulating pump and an oil-gas separator which are sequentially connected, wherein the first end of the first electric three-way regulating valve is connected with the heat conducting oil circulating pump, the second end of the first electric three-way regulating valve is connected with an oil inlet end of the groove type solar heat collector, and the third end of the first electric three-way regulating valve is connected with an oil outlet of the groove type solar heat collector;
the energy storage unit comprises a phase change energy accumulator and a second electric three-way regulating valve, wherein the first end of the second electric three-way regulating valve is connected with the oil outlet of the groove type solar heat collector, the second end of the second electric three-way regulating valve is connected with the oil inlet of the phase change energy accumulator, and the third end of the second electric three-way regulating valve is connected with the oil outlet of the phase change energy accumulator;
the energy conversion unit comprises a solar oil-water heat exchanger and a third electric three-way regulating valve, wherein the first end of the third electric three-way regulating valve is connected with the oil outlet of the phase change energy accumulator, the second end of the third electric three-way regulating valve is connected with the oil inlet of the oil-gas separator, the third end of the third electric three-way regulating valve is connected with the oil inlet of the solar oil-water heat exchanger, and the oil outlet of the solar oil-water heat exchanger is connected with the oil inlet of the oil-gas separator;
the heating power supplement conveying unit comprises a biomass boiler, a fourth electric three-way regulating valve and a primary heat supply network circulating pump, wherein the first end of the fourth electric three-way regulating valve is connected with the primary heat supply network circulating pump, the second end of the fourth electric three-way regulating valve is connected with the water inlet of the solar oil-water heat exchanger, the third end of the fourth electric three-way regulating valve is connected with the water inlet of the biomass boiler, and the water outlet of the solar oil-water heat exchanger is connected with the water inlet of the biomass boiler.
2. The concentrated heating heat source station of a trough-type solar-coupled biomass boiler of claim 1, wherein: the delivery port of biomass boiler is connected with the heating heat supply network through a heat supply network water supply pipeline, the heating heat supply network through a heat supply network return water pipeline with a heat supply network circulating pump is connected, a heat supply network circulating pump with be equipped with the level pressure moisturizing module between the heating heat supply network, the level pressure moisturizing module passes through the deoxidization water tank and is connected with the soft water all-in-one of deoxidization.
3. The concentrated heating heat source station of a trough-type solar-coupled biomass boiler of claim 1, wherein: a first temperature sensor is arranged between an oil outlet of the groove type solar thermal collector and the second electric three-way regulating valve, a second temperature sensor is arranged on the phase change energy accumulator, a third temperature sensor is arranged between the third electric three-way regulating valve and the phase change energy accumulator, and a fourth temperature sensor is arranged at a water inlet of the biomass boiler.
4. The concentrated heating heat source station of a trough-type solar-coupled biomass boiler of claim 1, wherein: the groove type solar heat collector, the phase change energy accumulator and the solar oil-water heat exchanger are all provided with a plurality of solar oil-water heat exchangers in parallel.
5. The concentrated heating heat source station of a trough-type solar-coupled biomass boiler of claim 1, wherein: and a high-low tank module is arranged on one side of the oil-gas separator.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113405146A (en) * | 2021-05-23 | 2021-09-17 | 华北理工大学 | Heat accumulating type biomass gasification heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405146A (en) * | 2021-05-23 | 2021-09-17 | 华北理工大学 | Heat accumulating type biomass gasification heating system |
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