CN112577347A - Horizontal parallel heat storage device based on heat pipes and working method thereof - Google Patents
Horizontal parallel heat storage device based on heat pipes and working method thereof Download PDFInfo
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- CN112577347A CN112577347A CN202011606957.2A CN202011606957A CN112577347A CN 112577347 A CN112577347 A CN 112577347A CN 202011606957 A CN202011606957 A CN 202011606957A CN 112577347 A CN112577347 A CN 112577347A
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- Prior art keywords
- heat
- heat storage
- storage device
- heat exchange
- heat pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a horizontal parallel arrangement heat storage device based on heat pipes and a working method thereof, wherein the heat storage device comprises a heat storage device and a heat exchange device which are arranged in parallel up and down; the heat storage device includes: a shell, the interior of which is hollow, and the left end and the right end of which are open; a heat storage body disposed inside the housing; a plurality of heat-releasing fluid passages located inside the heat storage body; a heat exchange device comprising: a shell, the interior of which is hollow, and the left end and the right end of which are open; the heat pipes are arranged in the shell in parallel, and each heat pipe comprises a heat pipe condensation section and a heat pipe evaporation section; the heat pipe evaporation section is positioned in the heat exchange device, and the heat pipe condensation section penetrates through the inner walls of the shells adjacent to the heat storage device and the heat exchange device and extends into the heat storage body in the heat storage device; a plurality of heat exchange channels formed by gaps between adjacent heat pipe evaporation sections; the problem of current heat-retaining device direct and the dust-laden flue gas heat exchange, cause the dust too much, the passageway is easy to be blockked up is solved.
Description
Technical Field
The invention belongs to the technical field of heat storage, and particularly relates to a horizontal parallel heat storage device based on heat pipes and a working method thereof.
Background
The existing heat accumulating type hot blast stove is used for hundreds of years in the steel industry and is used for improving the temperature of preheated air, but the existing heat accumulating type hot blast stove uses clean blast furnace gas combustion flue gas as a heat source and cannot be used in a heat accumulation scene of dust-containing flue gas. Although the existing heat accumulating type combustor is a gas heat accumulation device, the existing heat accumulating type combustor can only be used in relatively clean gas or flue gas, and is not suitable for the flue gas generated in a cement kiln, in addition, the reversing period of a heat accumulating unit in the heat accumulating type combustor is 20-300s, the reversing period is too short, the difference between the reversing period and the peak regulation requirement of 8h heat accumulation products is large, and dust cannot be discharged. The existing electric heat storage products directly heat storage materials by using electric heating wires, the temperature of a heat source can reach 1000 ℃, hot air or hot water is generated when heat is released and is lower than 100 ℃, the available temperature difference of the materials is large, heat storage and release are easy to realize, the average smoke temperature during heat charging is usually required to be 380 ℃ and the minimum heat release temperature is 300 ℃ in the existing heat storage equipment for waste heat peak regulation, the realization difficulty is large due to small temperature difference, and the high-temperature air source is clean air and is not suitable for a cement kiln power station. In an existing Combined Cycle Gas Turbine (CCGT) power plant, a heat storage system is added to decouple electricity and heat, and when the demand for electricity is high, the excess heat is stored in a TES system. Then, when the power demand is low, the heat energy generated by the TES is used for generating steam through the boiler to supply to the user. The heat storage device mainly comprises a heat storage material, a heat insulation material and a storage container, theoretical and experimental tests are carried out on a test platform of German Stuttgart DLR, and the fact that waste heat peak shaving can be realized is proved, but the device still cannot realize the dust exhaust function and cannot be used in a cement kiln with large dust content.
Disclosure of Invention
The invention aims to provide a horizontal parallel heat storage device based on heat pipes and a working method thereof, and aims to solve the problems that the conventional heat storage device directly exchanges heat with dust-containing flue gas, so that excessive dust is generated and a channel is easy to block.
The invention adopts the following technical scheme: a horizontal parallel heat storage device based on heat pipes comprises a heat storage device and a heat exchange device which are arranged in parallel from top to bottom;
wherein, heat-retaining device includes:
a shell, the interior of which is hollow, and the left end and the right end of which are open;
a heat storage body disposed inside the housing;
a plurality of heat-releasing fluid passages located inside the heat storage body;
a heat exchange device comprising:
a shell, the interior of which is hollow, and the left end and the right end of which are open;
the heat pipes are arranged in parallel, and each heat pipe comprises a heat pipe condensation section and a heat pipe evaporation section; the heat pipe evaporation section is positioned in the heat exchange device, and the heat pipe condensation section penetrates through the inner walls of the shells adjacent to the heat storage device and the heat exchange device and extends into the heat storage body in the heat storage device;
a plurality of heat exchange channels formed by gaps between adjacent heat pipe evaporation sections;
the two ends of the heat exchange device are open, the plurality of heat exchange channels are used for forming a path for the heat supply flue gas to pass through, and heat is stored to the evaporation section of the heat pipe in the process of passing through the heat supply flue gas; the heat pipe condensation section is used for transferring and storing heat on the heat pipe condensation section to the heat storage body; the heat storage device is provided with two open ends and a plurality of heat release fluid channels for forming a path for cold air to pass through and absorbing heat from the heat storage body in the process of passing through the cold air.
Furthermore, the dust collector also comprises a plurality of dust hoppers which are communicated with the bottom of the heat exchange device and used for discharging dust in the heat exchange device.
Furthermore, flow equalizers are arranged at two ends of the heat storage device and the heat exchange device.
Furthermore, the inner walls of the shells of the heat pipe and the heat storage device and the heat pipe and the heat exchange device are in flange connection or welding.
The invention also provides a working method of the horizontal parallel arrangement heat storage device based on the heat pipes, when in the heat storage working condition, medium-low temperature waste heat flue gas flows through the heat exchange channel, the gas conducts heat in the flue gas to the heat pipe evaporation section in the heat exchange channel through convection heat exchange, and the heat in the heat pipe evaporation section is conducted to the heat pipe condensation section;
the smoke dust in the smoke falls into an ash bucket to be discharged;
the heat of the condensation section of the heat pipe is conducted to the heat storage body, and the waste heat flue gas flows along the heat exchange channel to be gradually cooled and is finally discharged from the heat exchange device.
Further, when the heat releasing working condition is met, low-temperature smoke or air enters the heat releasing fluid channel, the heat storage material in the heat storage body transfers internal heat to the heat releasing fluid channel in a heat conduction or convection mode, and the low-temperature smoke or air is gradually heated along a flow path when flowing in the heat releasing fluid channel and is discharged from an outlet of the heat releasing fluid channel, so that the heat releasing function is realized.
The invention has the beneficial effects that: the smoke and dust in the heat storage process are separated from the heat, and clean air is used for heat exchange in the heat release process, so that the dust accumulation of the heat storage body is avoided. The heat storage channels are respectively arranged and are respectively arranged in the heat exchange shell and the heat storage shell, the fluid to be heated is limited to be clean fluid, the heat pipe of the heat exchange channel has a simple structure, once the inside of the heat exchange channel is blocked, the problem can be solved by conventional means such as vibration and beating, the heat storage part is not influenced, and the channel blockage is fundamentally avoided.
Drawings
FIG. 1 is a schematic structural diagram of a horizontal parallel heat storage device based on heat pipes according to the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of an installation structure of heat pipes in the horizontal parallel heat storage device based on heat pipes.
The heat storage device comprises a support 1, a heat exchange channel 2, a current equalizer 3, a shell 4, a heat storage body 5, a heat pipe condensation section 6, a heat release fluid channel 7, a heat pipe evaporation section 8, an ash bucket 9, a heat storage device 10 and a heat exchange device 11.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a horizontal parallel heat storage device based on heat pipes, which comprises a heat storage device 10 and a heat exchange device 11 which are arranged in parallel from top to bottom as shown in figures 1-2, wherein a support 1 is arranged at the bottom of the heat exchange device 11. The heat storage device 10 and the heat exchange device 11 may be fixedly connected with each other, or may be designed to share the adjacent wall surfaces, as shown in fig. 3.
Wherein, heat-retaining device 10 includes: a shell 4, the interior of which is hollow and the left and right ends of which are open; a heat storage body 5 provided inside the casing 4; a plurality of heat releasing fluid channels 7 located inside the heat storage body 5. The heat storage body 5 may be an integral body or a group of modules. A plurality of heat releasing fluid channels 7 are provided inside the heat storage body 5.
The heat exchange device 11 comprises a shell 4, wherein the shell 4 is hollow, and the left end and the right end of the shell are open; the heat pipes are arranged in the shell 4 in parallel, and each heat pipe comprises a heat pipe condensation section 6 and a heat pipe evaporation section 8; as shown in fig. 3, the heat pipe evaporation section 8 is located inside the heat exchange device 11, and the heat pipe condensation section 6 passes through the inner wall of the shell adjacent to the heat storage device 10 and the heat exchange device 11 and extends into the heat storage body 5 in the heat storage device 10. And a plurality of heat exchange channels 2 formed by gaps between adjacent heat pipe evaporation sections 8. As long as the heat pipe condensation section 6 is inserted into the middle of the heat storage body 5, heat exchange can be realized.
The two ends of the heat exchange device 11 are open, the plurality of heat exchange channels 2 are used for forming a path for passing the heat supply flue gas, and heat is stored to the heat pipe evaporation section 8 in the process of passing the heat supply flue gas; the heat pipe condensation section 6 is used for transferring and storing heat on the heat pipe condensation section to the heat storage body 5; the heat storage device 10 is open at both ends and a plurality of heat releasing fluid passages 7 are used to form a path through which cold air passes and absorb heat from the heat storage body 5 during the passage of the cold air.
In some embodiments, the heat pipe-based horizontal parallel heat storage device may further include a plurality of dust hoppers 2, which are disposed at the bottom of the heat exchange device in a communicating manner, and used for discharging dust inside the heat exchange device.
In some embodiments, both ends of the heat storage device 10 and the heat exchange device 11 are provided with flow equalizers 4.
In some embodiments, the inner walls of the housing where the heat pipes are adjacent to the heat storage device 10 and the heat exchange device 11 are flanged or welded. The flange connection is characterized by being convenient for later-stage disassembly and maintenance; the welding connection is characterized by low installation cost.
The heat storage material of the horizontal parallel arrangement heat storage device based on the heat pipe can be a solid heat storage material or a phase change material, when the heat storage material is a solid heat storage material, a heat release channel is a pore channel, the pore channel is formed by a template in a processing and pouring stage, and the template is removed after the pouring is finished and the shape is formed; in the case of phase change materials, the heat release channel is a conduit. The phase change cost is high, but the heat storage density is high, and the volume of the whole device can be reduced.
The invention also provides a working method of the horizontal parallel heat storage device based on the heat pipes, which comprises the following steps:
1. in the heat storage working condition: middle and low temperature (250-650 ℃) waste heat flue gas flows through the heat exchange channel 2, the gas conducts heat in the flue gas to the heat pipe evaporation section 8 in the heat exchange channel 2 through convection heat exchange, and the heat pipe conducts the heat of the evaporation section to the condensation section. The smoke dust in the smoke gas is decelerated due to the impact on the heat exchange surface of the heat pipe and falls into the ash hopper 9. A material level monitoring meter can be arranged in the ash bucket 9, and when the material level rises to the highest material level, an ash discharging valve at the bottom of the ash bucket 9 is opened to discharge ash.
Since the heat pipe condensation section 6 is placed in the heat storage body with a lower temperature, the heat of the heat pipe condensation section 6 is conducted to the heat storage material. If the heat storage material is a solid material, heat is transferred in a heat conduction mode; if the heat storage material is a phase change material, heat is transferred in the form of heat conduction and convection. Finally, the heat in the flue gas is stored in the heat storage body 5. And the waste heat flue gas flows along the channel to be gradually cooled, the contained heat is gradually reduced, and finally the waste heat flue gas is discharged from the heat exchange device 11.
2. In the heat release working condition: when heat is needed, low-temperature smoke or air (< 250 ℃) enters the heat release fluid channel 7 through the increase of the fan, and the heat release fluid channel 7 is positioned inside the heat storage body 5. After the heat charging is finished, the temperature of the heat storage body 5 is higher, so when the low-temperature heat release fluid passes through, the heat storage material in the heat storage body 5 transfers the internal heat to the heat release fluid channel 7 in a heat conduction or convection mode, and low-temperature smoke or air is gradually heated along a flow path when flowing in the heat release fluid channel 7 and is discharged from an outlet of the heat release fluid channel 7, so that the heat release function is realized.
Under the existing condition, the original flue gas temperature of the intermediate frequency furnace is higher and is 1200 ℃. The dust hood is arranged 1.5-2m away from the top of the intermediate frequency furnace and is in an open form, smoke is cooled to below 160 ℃ after passing through the dust hood, then enters the dust remover after passing through the air mixing device, and is directly exhausted to the atmosphere after dust removal, and heat in the smoke of the intermediate frequency furnace cannot be utilized. If after the heat storage device is used, the distance between the dust hood and the intermediate frequency furnace is reduced during the night off-peak electricity period, the smoke temperature is increased to about 400 ℃, the smoke temperature enters the heat storage device, the smoke temperature is reduced to about 150 ℃, mixed air enters the dust remover, the dust is discharged to the atmosphere after being removed, and the heat in the smoke is stored in the heat storage device. When the machine processing production is carried out in daytime, cold air in a plant enters a heat storage body heat exchange channel of the heat storage device through the air blower, the cold air is heated and then returns to the plant for heating, and the heat release time is more than or equal to 8 h. And in summer, can increase flue gas absorption refrigeration plant, use the heat heating air of storing night to supply cold for the factory building daytime.
The invention separates the smoke dust and heat in the heat storage process, and uses clean air for heat exchange in the heat release process, thereby avoiding the dust accumulation of the heat storage body. The heat storage channels are respectively arranged and are respectively arranged in the heat exchange shell and the heat storage shell, the fluid to be heated is limited to be clean fluid, the heat pipe of the heat exchange channel has a simple structure, once the inside of the heat exchange channel is blocked, the problem can be solved by conventional means such as vibration and beating, the heat storage part is not influenced, and the channel blockage is fundamentally avoided. The heat storage material is filled in the heat storage body shell, so that the heat storage time and the heat release time are separated, and heat is released when heat is needed.
Claims (6)
1. A horizontal parallel heat storage device based on heat pipes is characterized by comprising a heat storage device (10) and a heat exchange device (11) which are arranged in parallel up and down;
wherein the heat storage device (10) comprises:
a shell (4) which is hollow and has open left and right ends;
a heat storage body (5) provided inside the housing (4);
-a plurality of heat-emitting fluid channels (7) inside the heat storage body (5);
the heat exchange device (11) comprises:
a shell (4) which is hollow and has open left and right ends;
the heat pipes are arranged in parallel, and each heat pipe comprises a heat pipe condensation section (6) and a heat pipe evaporation section (8); the heat pipe evaporation section (8) is positioned in the heat exchange device (11), and the heat pipe condensation section (6) penetrates through the inner walls of the shells adjacent to the heat storage device (10) and the heat exchange device (11) and extends into the heat storage body (5) in the heat storage device (10);
a plurality of heat exchange channels (2) formed by gaps between adjacent heat pipe evaporation sections (8);
the two ends of the heat exchange device (11) are open, the plurality of heat exchange channels (2) are used for forming a path for passing heat supply flue gas, and heat is stored to the heat pipe evaporation section (8) in the process of passing the heat supply flue gas; the heat pipe condensation section (6) is used for transferring and storing heat thereon to the heat storage body (5); the heat storage device (10) is open at two ends and a plurality of heat release fluid channels (7) are used for forming a path for cold air to pass through and absorbing heat from the heat storage body (5) in the process of passing through the cold air.
2. The heat pipe-based horizontal parallel heat storage device as claimed in claim 1, further comprising a plurality of dust hoppers (2) communicated with the bottom of the heat exchange device for discharging dust inside the heat exchange device.
3. The heat pipe-based horizontal parallel heat storage device as claimed in claim 1 or 2, wherein flow equalizers (3) are arranged at both ends of the heat storage device (10) and the heat exchange device (11).
4. The heat pipe-based horizontal parallel heat storage device as claimed in claim 1 or 2, wherein the heat pipes and the heat storage device (10) and the heat pipes and the heat exchange device (11) are connected by flanges or welded on the inner wall of the shell.
5. The working method of the horizontal parallel arrangement heat storage device based on the heat pipes as claimed in any one of claims 1 to 4, characterized in that, in the heat storage working condition, the middle and low temperature waste heat flue gas flows through the heat exchange channel (2), the gas conducts the heat in the flue gas to the heat pipe evaporation section (8) in the heat exchange channel (2) through convection heat exchange, and the heat in the heat pipe evaporation section (8) is conducted to the heat pipe condensation section (6);
the smoke dust in the smoke falls into an ash hopper (9) to be discharged;
the heat of the heat pipe condensation section (6) is conducted to the heat storage body (5), and the waste heat smoke flows along the heat exchange channel (2) to be gradually cooled and is finally discharged from the heat exchange device (11).
6. The working method according to claim 5, characterized in that in the heat releasing condition, low-temperature smoke or air is made to enter the heat releasing fluid channel (7), the heat storage material in the heat storage body (5) transfers the internal heat to the heat releasing fluid channel (7) in the form of heat conduction or convection, and the low-temperature smoke or air is gradually heated along the flow path when flowing in the heat releasing fluid channel (7) and is discharged from the outlet of the heat releasing fluid channel (7) to realize the heat releasing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606957.2A CN112577347A (en) | 2020-12-28 | 2020-12-28 | Horizontal parallel heat storage device based on heat pipes and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606957.2A CN112577347A (en) | 2020-12-28 | 2020-12-28 | Horizontal parallel heat storage device based on heat pipes and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112577347A true CN112577347A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011606957.2A Pending CN112577347A (en) | 2020-12-28 | 2020-12-28 | Horizontal parallel heat storage device based on heat pipes and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136132A (en) * | 2021-12-29 | 2022-03-04 | 思安新能源股份有限公司 | Flue gas cleaning heat transfer solid heat storage device |
-
2020
- 2020-12-28 CN CN202011606957.2A patent/CN112577347A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136132A (en) * | 2021-12-29 | 2022-03-04 | 思安新能源股份有限公司 | Flue gas cleaning heat transfer solid heat storage device |
| CN114136132B (en) * | 2021-12-29 | 2024-05-17 | 思安新能源股份有限公司 | Clean heat transfer solid heat storage device of flue gas |
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