CN114136133B - Multi-channel heat storage device and application method thereof - Google Patents
Multi-channel heat storage device and application method thereof Download PDFInfo
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- CN114136133B CN114136133B CN202111637828.4A CN202111637828A CN114136133B CN 114136133 B CN114136133 B CN 114136133B CN 202111637828 A CN202111637828 A CN 202111637828A CN 114136133 B CN114136133 B CN 114136133B
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- pipe body
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- 238000005338 heat storage Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 53
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- 239000011232 storage material Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000012782 phase change material Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a multi-channel heat storage device and a use method thereof, wherein the multi-channel heat storage device comprises at least one heat storage component, each heat storage component is an inner pipe body, a middle pipe body and an outer pipe body which are coaxially sleeved from inside to outside, and the length of the middle pipe body is smaller than that of the inner pipe body and larger than that of the outer pipe body; the limiting assembly comprises six flat plates uniformly distributed with a plurality of through holes, and the flat plates are divided into two first pore plates, two second pore plates and two third pore plates according to the difference of the diameters of the through holes; the diameters of the two first pore plates, the two second pore plates and the two third pore plates are respectively R4, R5 and R6; two third pore plates, two second pore plates and two first pore plates are respectively sleeved at two ends of the inner side pipe body, two ends of the middle pipe body and two ends of the outer side pipe body. The heat storage device solves the problem that the plurality of heat exchange mediums in the existing heat storage device are all on the same heat exchange surface, and cause pollution.
Description
Technical Field
The invention belongs to the field of energy recovery, and particularly relates to a multi-channel heat storage device and a use method thereof.
Background
Smoke is a main way of wasting energy by general energy-consuming equipment, for example, smoke exhaust energy consumption of a boiler is about 15%, and main energy consumption of other equipment such as a setting machine, a dryer, a kiln and the like in the printing and dyeing industry is discharged through smoke. In order to achieve the purposes of energy conservation and consumption reduction, the recovery of the waste heat of the flue gas is also an important energy-saving way.
Most of the solid heat storage devices used in the existing flue gas recovery process are single-channel pipe bodies with heat storage units, namely exothermic gas and endothermic gas flow in the same channel, and because the exothermic gas and the endothermic gas flush the same heat exchange surface, when one gas is low in cleanliness and harmful, pollution can be formed to other gases.
Disclosure of Invention
The invention aims to provide a multi-channel heat storage device and a use method thereof, which are used for solving the problem that a plurality of heat exchange mediums in the existing heat storage device are on the same heat exchange surface and cause pollution.
The invention adopts the following technical scheme: the heat storage assembly comprises an inner pipe body, a middle pipe body and an outer pipe body which are coaxially sleeved from inside to outside, wherein the length of the middle pipe body is smaller than that of the inner pipe body and larger than that of the outer pipe body; the diameters of the inner pipe body, the middle pipe body and the outer pipe body are respectively R1, R2 and R3;
The limiting assembly comprises six flat plates uniformly distributed with a plurality of through holes, and the flat plates are divided into two first pore plates, two second pore plates and two third pore plates according to the difference of the diameters of the through holes; the diameters of the two first pore plates, the two second pore plates and the two third pore plates are respectively R4, R5 and R6; two ends of the inner pipe body, two ends of the middle pipe body and two ends of the outer pipe body are respectively sleeved with two third pore plates, two second pore plates and two first pore plates; each through hole on the limiting component is correspondingly communicated with each pipe orifice on the heat storage component;
Wherein R4 is less than or equal to R1, and a first heat exchange medium circulation passage is formed inside the inner pipe body; r1 is more than R5 and less than or equal to R2, and gaps between the third pore plate and the second pore plate are communicated with gaps between the middle pipe body and the inner pipe body to form a second heat exchange medium circulation passage; r2 is more than R6 and less than or equal to R3, and gaps between the second pore plate and the first pore plate are communicated with gaps between the middle pipe body and the outer pipe body to form a third heat exchange medium circulation passage.
Further, two parallel side plates are arranged between the two first orifice plates and positioned outside the heat storage component, and the two first orifice plates and the two side plates form a box body with two open ends; the space inside the box body and outside the heat storage component forms a fourth heat exchange medium circulation passage.
Further, the two ends of the box body are respectively provided with a second pipe body, and the outer sides of the two third pore plates are respectively communicated with the first pipe bodies.
Further, the first pipe body and the second pipe body are conical square pipes, the circumference of the first port of each square pipe is larger than that of the second port of each square pipe, and the first port of each square pipe is connected with the side plate.
Further, a square baffle for blocking the gap between the first orifice plate and the second orifice plate is arranged between the first orifice plate and the second orifice plate, and a square baffle for blocking the gap between the second orifice plate and the third orifice plate is arranged between the second orifice plate and the third orifice plate; through holes are arranged on the square baffle plates.
Further, a plurality of fins are provided between the inner tube and the intermediate tube, and a plurality of fins are provided between the intermediate tube and the outer tube.
Further, the heat storage component is a solid heat storage material, a phase change material covered with a metal shell, or a liquid heat storage material covered with a metal shell.
The second technical scheme adopted by the invention is that the using method of the multi-channel heat storage device is based on the multi-channel heat storage device, and comprises the following steps:
When the heat exchange medium is dust-free gas or liquid, the dust-free gas or liquid can flow through the first heat exchange medium circulation passage, the second heat exchange medium circulation passage and/or the third heat exchange medium circulation passage, and heat storage or heat release is completed in the circulation process of the heat exchange medium.
The third technical scheme adopted by the invention is that the using method of the multi-channel heat storage device is based on the multi-channel heat storage device, and comprises the following steps:
When the heat exchange medium is dust-containing flue gas, the dust-containing flue gas flows through the fourth heat exchange medium flow passage, and heat storage or heat release is completed in the flow process of the heat exchange medium.
The beneficial effects of the invention are as follows: four different heat exchange medium circulation passages are established by combining the heat storage component and the limiting component; when various heat exchange media are simultaneously discharged from the heat storage device, different heat exchange media can have independent circulation passages, so that mutual pollution among different heat exchange media is avoided, and meanwhile, simultaneous collection of the various heat exchange media can be realized, and the heat recovery efficiency is improved. Meanwhile, the heat storage capacity of the heat storage device can be effectively increased by adopting a mode that a plurality of heat storage components are arranged in parallel. The fins are also made of heat storage materials, and the contact area between the tube bodies and the heat exchange medium can be increased while the tube bodies are prevented from being deformed under pressure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a multi-channel heat storage device according to the present invention;
FIG. 2 is a schematic diagram of the positional relationship between a heat storage assembly and a spacing assembly in a multi-channel heat storage device according to the present invention;
FIG. 3 is a schematic view of a square baffle plate in a multi-channel heat storage device according to the present invention;
FIG. 4 is a schematic diagram of a heat storage assembly in a multi-channel heat storage device according to the present invention;
FIG. 5 is a schematic diagram of the layout relationship of four heat exchange medium channels in a multi-channel heat storage device according to the present invention;
Fig. 6 is an enlarged view at a in fig. 5.
Wherein, 1, the through hole; 2. a side plate; 3. a limit component; 4. a heat storage assembly; 301. a third orifice plate; 302. a second orifice plate; 303. a first orifice plate; 401. an inner tube body; 402. a middle tube body; 403. an outer tube; 5. a fin; 6. a first tube body; 7. a second tube body; 8. a square baffle; 9. a first heat exchange medium flow passage; 10. a second heat exchange medium flow passage; 11. a third heat exchange medium flow passage; 12. and a fourth heat exchange medium flow passage.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The invention provides a multi-channel heat storage device, which is shown in fig. 1-2, and comprises at least one heat storage component 4, wherein each heat storage component 4 is an inner pipe body 401, a middle pipe body 402 and an outer pipe body 403 which are coaxially sleeved from inside to outside, and the length of the middle pipe body 402 is smaller than that of the inner pipe body 401 and larger than that of the outer pipe body 403; the diameters of the inner pipe body 401, the middle pipe body 402 and the outer pipe body 403 are respectively R1, R2 and R3; the middle pipe body 402, the inner pipe body 401 and the outer pipe body 403 are all made of heat storage materials, and the heat storage materials are solid heat storage materials, phase change or liquid heat storage materials, for example, ceramic or high-temperature concrete structures can be adopted; and the inner edge of each through hole is in sealing connection with the outer edge of each pipe orifice by using sealant.
The limiting assembly 3 comprises six flat plates uniformly distributed with a plurality of through holes, and is divided into two first pore plates 303, two second pore plates 302 and two third pore plates 301 according to the diameters of the through holes; the diameters of the two first orifice plates 303, the two second orifice plates 302 and the two third orifice plates 301 are R4, R5 and R6, respectively; two third hole plates 301, two second hole plates 302, and two first hole plates 303 are respectively sleeved at two ends of the inner pipe body 401, two ends of the middle pipe body 402, and two ends of the outer pipe body 403; and each through hole on the limiting component 3 is correspondingly communicated with each pipe orifice on the heat storage component 4.
Wherein R4 is less than or equal to R1, and a first heat exchange medium circulation passage 9 is formed inside the inner pipe body 401; r1 is more than R5 and less than or equal to R2, and gaps between the third pore plate 301 and the second pore plate 302 are communicated with gaps between the middle pipe body 402 and the inner pipe body 401 to form a second heat exchange medium circulation passage 10; r2 is more than R6 and less than or equal to R3, and gaps between the second pore plate 302 and the first pore plate 303 are communicated with gaps between the middle pipe body 402 and the outer pipe body 403 to form a third heat exchange medium circulation passage 11.
The three heat exchange medium circulation passages are mutually independent, and when three mediums exchange heat, the three mediums can enter the heat storage device through the three passages respectively. If the heat exchange medium is one or two, three passages or two passages can be selected to flow into the same heat exchange medium according to the flow requirement. When the temperature of the heat exchange medium is higher than that of the heat storage component, the heat storage component absorbs heat and stores heat; when the temperature of the heat exchange medium is lower than that of the heat storage component, the heat storage component releases heat to heat the heat exchange medium.
As shown in fig. 1, in some embodiments, two parallel side plates 2 are disposed between two first orifice plates 303 and outside the heat storage assembly 4, and the two first orifice plates 303 and the two side plates 2 form a box body with two open ends; the space inside the box body and outside the heat storage assembly 4 forms a fourth heat exchange medium circulation passage 12 which is vertically arranged. The fourth heat exchange medium flow path 12 is typically used to store or release heat from the dust laden flue gas to facilitate smoke evacuation.
As shown in fig. 2, in some embodiments, the two ends of the box body are provided with second pipe bodies 7 respectively, and the outer sides of the two third pore plates 301 are provided with first pipe bodies 6 respectively; the first pipe body 6 and the second pipe body 7 are tapered square pipes, the circumference of the first port of each square pipe is larger than that of the second port of each square pipe, and the first port of each square pipe is connected with the side plate 2. The tapered square tube can be favorable for the discharge and inflow of flue gas, and simultaneously the tapered square tube can realize the impurity precipitation collection in the flue gas.
As shown in fig. 3, in some embodiments, a square baffle 8 for blocking the gap between the first orifice plate 303 and the second orifice plate 302 is provided between the first orifice plate 303 and the second orifice plate 302, and a square baffle 8 for blocking the gap between the second orifice plate 302 and the third orifice plate 301 is provided between the second orifice plate and the third orifice plate; the square baffle plates 8 are provided with through holes 1. If the square baffle plate 8 is not arranged between the two pore plates, the heat exchange medium can flow out between the two pore plates and cannot flow into the pipe body, so that the loss of gas heat is caused.
As shown in fig. 4, in some embodiments, a plurality of fins 5 are provided between the inner tube 401 and the intermediate tube 402, and a plurality of fins 5 are provided between the intermediate tube 402 and the outer tube 403. The fins 5 are arranged along the axial direction of the tube bodies, and the number of the fins is not less than 2 between the two tube bodies around the axis of the tube bodies. The support quantity of the fins 5 of the heat storage and exchange body can be adjusted according to the requirement, and the fins 5 can be solid heat storage materials, heat preservation materials or metal materials. The fins 5 can effectively provide stress support between the inner pipe body 401 and the middle pipe body 402 and between the middle pipe body 402 and the outer pipe body 403, avoid the pipe body from being deformed under pressure, and can increase the contact area of the pipe body and enlarge the heat storage capacity.
In some embodiments, the thermal storage assembly 4 is a solid thermal storage material, a phase change material encased with a metal casing, or a liquid thermal storage material encased with a metal casing. When the heat storage component 4 is a solid heat storage material, the heat exchange medium is gas. When the heat storage component 4 is a phase change or liquid heat storage material with a metal shell, the heat exchange medium is gas or liquid.
The invention also provides a using method of the multi-channel heat storage device, which is based on the multi-channel heat storage device and comprises the following steps:
When the heat exchange medium is dust-free gas or liquid, the dust-free gas or liquid can flow through the first heat exchange medium circulation passage 9, the second heat exchange medium circulation passage 10, the third heat exchange medium circulation passage 11 and/or the fourth heat exchange medium circulation passage 12, and heat storage or heat release is completed in the circulation process of the heat exchange medium. When the temperature of the heat exchange medium is higher than that of the heat storage component, the heat storage component absorbs heat and stores heat; when the temperature of the heat exchange medium is lower than that of the heat storage component, the heat storage component releases heat to heat the heat exchange medium. The three heat exchange medium circulation passages are mutually independent, and when three mediums exchange heat, the three mediums can enter the heat storage device through the three passages respectively. If the heat exchange medium is one or two, three passages or two passages can be selected to flow into the same heat exchange medium according to the flow requirement.
The invention also provides a using method of the multi-channel heat storage device, which is based on the multi-channel heat storage device and comprises the following steps:
When the heat exchange medium is dust-containing flue gas, the dust-containing flue gas flows through the fourth heat exchange medium flow passage 12, and heat storage or heat release is completed in the flow process of the heat exchange medium. When the temperature of the heat exchange medium is higher than that of the heat storage component, the heat storage component absorbs heat and stores heat; when the temperature of the heat exchange medium is lower than that of the heat storage component, the heat storage component releases heat to heat the heat exchange medium. Because the fourth heat exchange medium flow passage 12 is arranged vertically, dust-containing flue gas is introduced from the top end thereof, and after heat storage or heat release is performed, the dust-containing flue gas is discharged from the bottom end thereof, and at the same time, smoke dust is also discharged. The fourth heat exchange medium flow path 12 is more suitable for passing dust-laden flue gas than other horizontally arranged heat exchange medium flow paths.
Because the heat storage material temperature difference is too large and thermal expansion damage is caused, if the temperature difference of the four heat exchange media is large, the four heat exchange media sequentially enter each channel from low to high according to the temperature of the different heat exchange media, and in the process, the next medium can flow into the device only when the temperature of the heat storage device reaches the safe temperature. When the temperature difference of the four heat exchange media is not large, the heat can be absorbed from the tube body by respectively entering the four channels at the same time. If the temperature difference of the four heat exchange media is large, the four heat exchange media are required to enter different channels in sequence from high to low to absorb heat and flow out, and in the process, the next medium can flow out of the device only when the temperature of the heat storage box reaches the safe temperature. In the heat charging and discharging processes, various heat exchange media in the heat storage box can be provided with respective circulating passages, so that the smoke pollution is reduced, and the contact area between the heat exchange media and the pipe body is increased.
Examples
The first heat exchange medium is flowed into the first heat exchange medium flow passage 9 inside the inner tube 401 through the through-hole of the third orifice plate 301, and the inner tube 401 exchanges heat with the heat exchange medium, and is then discharged from the other end of the first heat exchange medium flow passage 9.
And/or, the second heat exchange medium enters the second heat exchange medium circulation passage 10 along the through hole 1 between the third pore plate 301 and the second pore plate 302, and the heat exchange medium flows into the gap between the middle pipe body 402 and the inner pipe body 401 through the through hole on the second pore plate 302; the intermediate tube body 402 and the inner tube body 401 exchange heat with the second heat exchange medium, and then are discharged from the other end of the second heat exchange medium circulation passage 10.
And/or, enabling the third heat exchange medium to enter the third heat exchange medium circulation passage 11 along the through hole 1 between the second pore plate 302 and the first pore plate 303, and enabling the heat exchange medium to flow into the gap between the middle pipe body 402 and the outer pipe body 403 through the through hole on the first pore plate 303; the intermediate tube body 402 and the outer tube body 403 exchange heat with the second heat exchange medium, and then flow from the other end of the third heat exchange medium flow passage 11.
And/or the dust-laden flue gas is caused to enter the fourth heat exchange medium circulation passage 12 along the top end of the second tube body 7, and the dust-laden flue gas flows through the outside of each of the outer tube bodies 403, exchanges heat therewith, and is then discharged from the other end of the fourth heat exchange medium circulation passage 12.
According to the multi-channel heat storage device, four different heat exchange medium circulation passages are established by combining the heat storage component 4 and the limiting component 3; when various heat exchange media are simultaneously discharged from the heat storage device, different heat exchange media can have independent circulation passages, so that mutual pollution among different heat exchange media is avoided, and meanwhile, simultaneous collection of the various heat exchange media can be realized, and the heat recovery efficiency is improved. Meanwhile, the heat storage capacity of the heat storage device can be effectively increased by adopting a mode that a plurality of heat storage components 4 are arranged in parallel. The fins 5 are also made of heat storage materials, and the contact area between the tube bodies and the heat exchange medium can be increased while the compression deformation of the tube bodies is avoided by the fins 5.
Claims (5)
1. A multi-channel heat storage device, comprising:
at least one heat storage assembly (4), wherein each heat storage assembly (4) is an inner pipe body (401), an intermediate pipe body (402) and an outer pipe body (403) which are coaxially sleeved from inside to outside, and the length of the intermediate pipe body (402) is smaller than the length of the inner pipe body (401) and larger than the length of the outer pipe body (403); the diameters of the inner pipe body (401), the middle pipe body (402) and the outer pipe body (403) which are horizontally arranged are R1, R2 and R3 respectively;
The limiting assembly (3) comprises six flat plates uniformly distributed with a plurality of through holes, and the flat plates are divided into two first pore plates (303), two second pore plates (302) and two third pore plates (301) according to the diameters of the through holes; the diameters of the two first pore plates (303), the two second pore plates (302) and the two third pore plates (301) are respectively R4, R5 and R6; two ends of the inner side pipe body (401), two ends of the middle pipe body (402) and two ends of the outer side pipe body (403) are respectively sleeved with two third pore plates (301), two second pore plates (302) and two first pore plates (303); each through hole on the limiting component (3) is correspondingly communicated with each pipe orifice on the heat storage component (4);
Wherein R4 is less than or equal to R1, and a first heat exchange medium circulation passage (9) is formed inside the inner pipe body (401); r1 is more than R5 and less than or equal to R2, and gaps between the third pore plate (301) and the second pore plate (302) are communicated with gaps between the middle pipe body (402) and the inner pipe body (401) to form a second heat exchange medium circulation passage (10); r2 is more than R6 and less than or equal to R3, and gaps between the second pore plate (302) and the first pore plate (303) are communicated with gaps between the middle pipe body (402) and the outer pipe body (403) to form a third heat exchange medium circulation passage (11);
Two parallel side plates (2) are arranged between the two first orifice plates (303) and positioned outside the heat storage assembly (4), and the two first orifice plates (303) and the two side plates (2) form a box body with two open ends; a space inside the box body and outside the heat storage component (4) forms a fourth heat exchange medium circulation passage (12) which is vertically arranged;
a square baffle (8) for blocking a gap between the first orifice plate (303) and the second orifice plate (302) is arranged between the second orifice plate (302) and the third orifice plate (301), and a square baffle (8) for blocking a gap between the second orifice plate and the third orifice plate is arranged between the second orifice plate (302) and the third orifice plate; the square baffle plates (8) are provided with through holes (1);
a plurality of fins (5) are arranged between the inner pipe body (401) and the middle pipe body (402), and a plurality of fins (5) are arranged between the middle pipe body (402) and the outer pipe body (403);
The heat storage component (4) is a solid heat storage material, a phase change material covered with a metal shell or a liquid heat storage material covered with a metal shell.
2. A multi-channel heat storage device according to claim 1, wherein the two ends of the box body are respectively provided with a second pipe body (7), and the outer sides of the two third pore plates (301) are respectively communicated with a first pipe body (6).
3. A multi-channel heat storage device according to claim 2, wherein the first tube body (6) and the second tube body (7) are tapered square tubes, the perimeter of the first port of each square tube is larger than the perimeter of the second port of each square tube, and the first port of each square tube is connected with the side plate (2).
4. A method of using a multi-channel heat storage device according to any one of claims 1-3, comprising the following:
When the heat exchange medium is dust-free gas or liquid, the dust-free gas or liquid can flow through the first heat exchange medium circulation passage (9), the second heat exchange medium circulation passage (10), the third heat exchange medium circulation passage (11) and/or the fourth heat exchange medium circulation passage (12), and heat storage or heat release is completed in the circulation process of the heat exchange medium.
5. A method of using a multi-channel heat storage device according to any one of claims 1-3, comprising the following:
When the heat exchange medium is dust-containing flue gas, the dust-containing flue gas flows through the fourth heat exchange medium circulation passage (12), and heat storage or heat release is completed in the circulation process of the heat exchange medium.
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| CN202111637828.4A CN114136133B (en) | 2021-12-29 | 2021-12-29 | Multi-channel heat storage device and application method thereof |
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| CN202111637828.4A CN114136133B (en) | 2021-12-29 | 2021-12-29 | Multi-channel heat storage device and application method thereof |
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| CN114136133B true CN114136133B (en) | 2024-05-17 |
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2021
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| CN213873941U (en) * | 2020-11-05 | 2021-08-03 | 中国石油化工股份有限公司 | Water heat storage combined phase change heat storage equipment |
| CN216745638U (en) * | 2021-12-29 | 2022-06-14 | 思安新能源股份有限公司 | Multi-channel heat storage device |
| CN217155106U (en) * | 2021-12-29 | 2022-08-09 | 思安新能源股份有限公司 | Double-channel solid heat storage device |
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| CN114136133A (en) | 2022-03-04 |
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