CN211782951U - Vertical heat storage tower - Google Patents
Vertical heat storage tower Download PDFInfo
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- CN211782951U CN211782951U CN201922386305.1U CN201922386305U CN211782951U CN 211782951 U CN211782951 U CN 211782951U CN 201922386305 U CN201922386305 U CN 201922386305U CN 211782951 U CN211782951 U CN 211782951U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a vertical heat storage tower, a hollow tower body, the tower body top is equipped with gas inlet, and inside is equipped with: the heat storage body is internally provided with a gas inlet and outlet channel along the vertical direction, and heat exchange materials are arranged around the gas channel and used for exchanging heat with gas; the supporting grate is of a plate-type structure with a plurality of through holes on the surface and is arranged at the bottom of the heat storage body; a gas chamber located below the support grate; the base is positioned below the gas chamber, a plurality of ash discharge grooves are uniformly formed in the base, and an ash discharge valve is arranged at the bottom of each ash discharge groove; the air distribution pipeline is positioned at the outer side of the tower body, and the end part of the air distribution pipeline is communicated with the gas chamber; the heat storage body is used for receiving gas and exchanging heat for the gas through a heat exchange material in the heat storage body, the gas after heat exchange flows downwards through the supporting grate to reach the gas chamber and is discharged through the air distribution pipeline, and meanwhile, dust in the gas is deposited to the dust discharging groove and then is discharged. The problem of current gas heat-retaining equipment can't fine dust removal is solved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the heat-retaining, concretely relates to vertical heat storage tower.
[ background of the invention ]
The large-scale access of the fluctuating renewable energy to the power grid provides possibility for utilizing the heat storage peak shaving of the existing waste heat power station, the heat storage equipment is of great importance to the whole system, and the heat source of the waste heat power station is mostly smoke with large dust content. Existing gas heat storage devices are mainly regenerative hot blast stoves, electric heat storage devices and heat storage devices in Combined Cycle Gas Turbine (CCGT) power plants. However, in these existing heat storage devices, only large-scale heat storage can be achieved, and dust in gas cannot be discharged, which is likely to cause blockage. Therefore, a large-scale heat storage device which has low heat storage cost and can be used in dust-containing smoke is urgently needed. Aiming at a waste heat power station with a limited part of sites, a smoke heat storage device which is small in occupied area and high in height direction and is suitable for containing dust needs to be developed.
[ Utility model ] content
The utility model aims at providing a vertical heat storage tower to solve the problem that current gaseous heat-retaining equipment area is big, can't effectively remove dust.
The utility model adopts the following technical scheme: vertical heat storage tower, a hollow tower body, the tower body top is equipped with gas inlet, and inside is equipped with:
the heat storage body is internally provided with a gas inlet and outlet channel along the vertical direction, and heat exchange materials are arranged around the gas channel and used for exchanging heat with gas;
the supporting grate is of a plate-type structure with a plurality of through holes on the surface and is arranged at the bottom of the heat storage body;
a gas chamber located below the support grate;
the base is positioned below the gas chamber, a plurality of ash discharge grooves are uniformly formed in the base, and an ash discharge valve is arranged at the bottom of each ash discharge groove;
the air distribution pipeline is positioned at the outer side of the tower body, and the end part of the air distribution pipeline is communicated with the gas chamber;
the heat storage body is used for receiving the gas and exchanging heat for the gas through the heat exchange material in the heat storage body.
Furthermore, still include a plurality of pillars, connect to set up and play the supporting role between supporting comb and base, the top of every pillar is equipped with a plurality of bosss.
Furthermore, the inner wall of the ash discharge groove starts to be provided with a groove at the edge close to the gas chamber, and the groove is used as a supporting surface at the bottom end of the pillar.
Further, the air distribution pipeline includes:
n groups of primary air distribution branch pipes, wherein each group of primary air distribution branch pipes are C-shaped pipelines which are uniformly arranged on each side surface of the tower body;
n/2 groups of secondary air distribution branch pipes, wherein each group of secondary air distribution branch pipes are C-shaped pipelines and are used for connecting the outlet ends of each two groups of primary air distribution branch pipes;
and the group of air distribution main pipes collect outlet ends of the n/2 groups of secondary air distribution branch pipes and are used for guiding out gas.
Further, the tower body is the cuboid, and then the cloth tuber pipe way includes:
the four groups of first-stage air distribution branch pipes are C-shaped pipelines which are respectively arranged on four side surfaces of the tower body;
the two groups of secondary air distribution branch pipes are C-shaped pipelines and are used for connecting the outlet ends of each two groups of primary air distribution branch pipes;
and the group of air distribution main pipes connect the outlet ends of the two groups of secondary air distribution branch pipes and are used for guiding out the air.
Furthermore, a plurality of support legs are arranged at the bottom of the base, and a space for placing the zipper machine is formed among the support legs;
the zipper machine is provided with a conveying belt mechanism which is positioned in a space formed by all the supporting legs at the bottom of the base and is positioned right below the dust discharging valve and used for collecting dust discharged by the dust discharging valve.
The utility model has the advantages that: the vertical heat storage tower is internally provided with a heat storage structure, and the bottom of the vertical heat storage tower is provided with an ash discharge structure, so that the ash discharge function can be simultaneously met under the condition of meeting the basic requirement of large-scale heat storage; meanwhile, the tower body is vertically arranged, so that different heat storage requirements can be met by changing the height direction on the premise of ensuring the minimum floor area of the whole equipment; meanwhile, the uniformity of the flow field in the heat storage device is better; the vertical heat storage tower is particularly suitable for the conditions that the production line is compact in arrangement and limited in space, and can be arranged in a factory more conveniently.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of a vertical heat storage tower of the present invention;
fig. 2 is a top view of the vertical heat storage tower of the present invention;
fig. 3 is a schematic longitudinal sectional view of the vertical heat storage tower of the present invention;
FIG. 4 is a schematic view of the base structure of the vertical heat storage tower of the present invention;
fig. 5 is a schematic view of the pillar structure of the vertical heat storage tower of the present invention.
The device comprises a base 1, a base 2, a supporting grate central strut 3, a supporting grate side wall strut 4, a supporting grate 5, a tower body 6, a primary air distribution branch pipe 7, a heat storage body 8, an air distribution main pipe 9, an ash discharge valve 10, a zipper machine 11, a groove 12, an ash discharge groove 13, a secondary air distribution branch pipe 14, a supporting leg and a boss 15.
[ detailed description ] embodiments
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a vertical heat storage tower, as shown in figures 1-5, comprising a hollow tower body 5, a base 1 is arranged at the bottom of the tower body, and an air distribution pipeline is communicated with the outside of the tower body. Wherein, the top of tower body 5 is equipped with gas inlet, and inside is equipped with heat accumulation body 7, supports comb 4 and gas chamber from top to bottom in proper order. The heat storage body 7 can be a solid heat storage or phase change heat storage and other existing heat storage devices, a channel for gas to enter and exit is arranged in the heat storage body along the vertical direction, and heat exchange materials are arranged around the gas channel so as to facilitate gas heat exchange. The heat accumulation body 7 is used for receiving gas and exchanging heat to the gas through a heat exchange material in the heat accumulation body, after the heat exchange, the gas flows downwards to flow through the support grate 4 to reach the gas cavity and then is discharged through the air distribution pipeline, and meanwhile, dust in the gas is deposited and discharged to the dust discharging groove 12. Should support comb 4 and be the plate structure, evenly be equipped with a plurality of through-holes on its plane and come the gas to pass through, the bottom setting of the close proximity heat accumulation body 7. The gas chamber is located below the support grate 4 and is surrounded by the shell of the tower body 5 for containing the gas after heat exchange.
As shown in fig. 4, the base 1 is disposed at the bottom of the tower body 5 and is disposed adjacent to the lower portion of the gas chamber. The base 1 comprises a plurality of convergent dust discharge grooves 12 inside, and the dust discharge grooves 12 are formed by a plurality of partition plates which are staggered transversely and longitudinally. The bottom of each ash discharging groove 13 is connected with an ash discharging valve 9. The inner walls of the ash discharge grooves 12 are provided with grooves 11 at the edges close to the gas chamber, and the grooves 11 are used for placing the bottom ends of the pillars.
A plurality of supporting legs 14 are arranged at the bottom of the base 1, and a space for placing the zipper machine 6 is formed among the supporting legs 14; the zipper machine 6 is provided with a conveying belt mechanism which is positioned in a space formed by each supporting leg 14 at the bottom of the base 1 and is positioned right below the dust discharging valve 9 and used for collecting dust discharged by the dust discharging valve 9.
A plurality of pillars are further arranged between the supporting grate 4 and the base 1 for supporting, as shown in fig. 5, a plurality of bosses 15 are arranged on the top of each pillar, and the purpose of the bosses 15 is to shield the through holes on the supporting grate 4 as little as possible, so as to increase the area through which the gas passes. The buckstays comprise a plurality of supporting grate centre buckstays 2 and a plurality of supporting grate side wall buckstays 3, the supporting grate centre buckstays 2 being located in the middle of the gas chamber and the supporting grate side wall buckstays 3 being located around the gas chamber.
As shown in fig. 1, the tower body 5 is a generally cylindrical body, and the air distribution pipeline on the outer side thereof includes: the n groups of primary air distribution branch pipes 6 are uniformly arranged on each side surface of the tower body 5, the openings at two ends of each group of primary air distribution branch pipes 6 are communicated with the gas chamber, and a primary gas outlet end is arranged on the pipe body of each group of primary air distribution branch pipes 6; n/2 groups of secondary air distribution branch pipes 13, wherein each group of secondary air distribution branch pipes 13 are C-shaped pipelines for connecting the primary air outlet ends of each two groups of primary air distribution branch pipes 6, and the pipe body of each group of primary air distribution branch pipes is provided with a secondary air outlet end; and the group of air distribution main pipes 8 collect outlet ends of the n/2 groups of secondary air distribution branch pipes 13 and are used for guiding out the gas.
When tower body 5 is the cuboid, the cloth tuber pipe way in its outside includes: four groups of primary air distribution branch pipes 6, wherein each group of primary air distribution branch pipes 6 is a C-shaped pipeline which is respectively arranged on four side surfaces of the tower body 5, openings at two ends of each group of primary air distribution branch pipes 6 are communicated with the gas chamber, and a primary gas outlet end is arranged on a pipe body of each group of primary air distribution branch pipes; two groups of secondary air distribution branch pipes 13, wherein each group of secondary air distribution branch pipes 13 are C-shaped pipelines and are used for connecting the primary air outlet ends of each two groups of primary air distribution branch pipes 6, and the pipe body of each group of primary air distribution branch pipes is provided with a secondary air outlet end; and the air distribution main pipe 8 connects the outlet ends of the two secondary air distribution branch pipes 13 and is used for guiding out the air.
The air distribution pipeline is positioned on the outer side of the tower body 5 and communicated with the gas chamber and used for guiding out gas positioned in the gas chamber in the tower body 5. The heat storage body 7 in the tower body 5 is used for exchanging heat for gas flowing through, the gas after heat exchange flows downwards through the support grate 4, then reaches the gas chamber and is discharged through the air distribution pipeline, and meanwhile, dust in the gas is deposited in the dust discharging groove 12 and then is discharged.
The top of the tower body 5 receives gas, the heat storage body 7 in the tower body 5 exchanges heat with the gas, the gas after heat exchange flows downwards through the support grate 4 to reach a gas chamber, the gas after heat exchange is discharged through a gas distribution pipeline, meanwhile, dust in the gas after heat exchange is deposited to the dust discharging groove 12 on the base 1 and then discharged through the dust discharging valve 9. The dust discharging valve 9 discharges dust to the zipper machine 6 at the bottom thereof, and the zipper machine 6 transfers the dust through a belt mechanism.
The utility model discloses a vertical heat storage tower's application method does: because the density of hot air is low, hot smoke enters from the upper part during heat storage; when releasing heat, cold flue gas enters from the bottom. The arrangement can reduce the natural convection inside the heat storage and release interval and prevent the upper part and the lower part from mixing the temperature. In the heat storage process, smoke enters from a smoke inlet at the upper part of the heat storage body 7, the temperature is reduced from top to bottom, meanwhile, the heat storage unit is heated, heat is stored in the heat storage unit, the smoke is discharged from the side wall to the air distribution pipeline, fly ash is collected to the bottom ash discharge groove 12, and heating is stopped after the designed heat storage time is reached. In the resting phase, the ash discharge valve 9 is opened, the fly ash is discharged and transported away by the zip fastener 10, and the ash discharge valve 9 is closed. In the heat release stage, flue gas enters the tower body 5 from the secondary air distribution branch pipe 13 and the primary air distribution branch pipe 6 of the air distribution header pipe 8, gradually heats the heat storage body 7 from bottom to top, gradually heats the heat storage body to about 480 ℃, and is discharged to rear-end heat utilization equipment.
Examples
The utility model adopts a 20MWh heat storage device, the height of the tower body 3 is 30 meters, and the length and the width are respectively 5 m; and a polyurethane insulation board with the thickness of 50cm is coated outside the heat storage device. The heat storage unit in the heat storage device is composed of an array of heat storage concrete plates with the thickness of 25cm, the height of 5m and the width of 1m, and the plate spacing is 5 cm. The number of the dust discharge grooves 12 on the base 1 is arranged in 2 x 2. In the heat storage process, 500 ℃ flue gas enters from a flue gas inlet at the upper part of the heat storage body 7, the temperature is reduced to 100 ℃ from top to bottom, meanwhile, the heat storage unit is heated, heat is stored in the heat storage unit, the flue gas is discharged from the side wall to the primary air distribution branch pipe 6 and the secondary air distribution branch pipe 13, finally, the flue gas is collected to the same pipeline through the air distribution header pipe 8 and is discharged, and fly ash is collected to the ash discharge groove 12 at the bottom. After 8h the heating was stopped. In the 8h standing phase, the ash discharge valve 9 is opened, the fly ash is discharged and transported away by the zipper machine 10, and the ash discharge valve 9 is closed. In the heat release stage, 100 ℃ flue gas enters the tower body 5 from the air distribution main pipe 8 through the secondary air distribution branch pipe 13 and the primary air distribution branch pipe 6, the heat storage unit is gradually heated from bottom to top to about 480 ℃, and finally the flue gas is discharged to rear-end heat utilization equipment.
The vertical heat storage tower is internally provided with the heat storage structure, and the bottom of the vertical heat storage tower is provided with the ash discharge structure, so that the ash discharge function can be simultaneously met under the condition of meeting the basic requirement of large-scale heat storage; meanwhile, the tower body is vertically arranged, so that different heat storage requirements can be met by changing the height direction on the premise of ensuring the minimum floor area of the whole equipment; meanwhile, the uniformity of the flow field in the heat storage device is better; the vertical heat storage tower is particularly suitable for the conditions that the production line is compact in arrangement and limited in space, and can be arranged in a factory more conveniently.
Claims (6)
1. Vertical heat storage tower, its characterized in that includes:
a hollow tower body (5), tower body (5) top is equipped with gas inlet, and inside is equipped with:
the heat storage body (7) is internally provided with a gas inlet and outlet channel along the vertical direction, and heat exchange materials are arranged around the gas inlet and outlet channel and used for exchanging heat with gas;
the supporting grate (4) is of a plate-type structure with a plurality of through holes on the surface and is arranged at the bottom of the heat storage body (7);
a gas chamber located below the support grate (4);
the base (1) is positioned below the gas chamber, a plurality of ash discharge grooves (12) are uniformly formed in the base, and an ash discharge valve (9) is arranged at the bottom of each ash discharge groove (12);
the air distribution pipeline is positioned outside the tower body (5), and the end part of the air distribution pipeline is communicated with the gas chamber;
the heat storage body (7) is used for receiving gas and exchanging heat of the gas through the heat exchange material in the heat storage body.
2. The vertical heat storage tower of claim 1, further comprising a plurality of pillars, which are connected and arranged between the supporting grate (4) and the base (1) for supporting, wherein a plurality of bosses (15) are arranged on the top of each pillar.
3. A vertical heat storage tower according to claim 2, characterized in that the inner walls of the ash discharge chute (12) start with a groove (11) on the edge close to the gas chamber, said groove (11) being intended to act as a support surface for the bottom end of the pillar.
4. The vertical heat storage tower of claim 1 or 2, wherein the air distribution duct comprises:
the air distribution device comprises n groups of primary air distribution branch pipes (6), wherein each group of primary air distribution branch pipes (6) is a C-shaped pipeline which is uniformly arranged on each side surface of the tower body (5), openings at two ends of each group of primary air distribution branch pipes (6) are communicated with the gas chamber, and a primary gas outlet end is arranged on a pipe body of each group of primary air distribution branch pipes;
n/2 groups of secondary air distribution branch pipes (13), wherein each group of secondary air distribution branch pipes (13) is a C-shaped pipeline and is used for connecting the primary air outlet ends of each two groups of primary air distribution branch pipes (6), and the pipe body of each group of primary air distribution branch pipes is provided with a secondary air outlet end;
and the group of air distribution main pipes (8) collect the secondary gas outlet ends of the n/2 groups of secondary air distribution branch pipes (13) and are used for guiding out gas.
5. The vertical heat storage tower of claim 4, wherein the tower body (5) is a cuboid, and the air distribution pipeline comprises:
the four groups of primary air distribution branch pipes (6), each group of primary air distribution branch pipes (6) is a C-shaped pipeline which is respectively arranged on four side surfaces of the tower body (5), openings at two ends of each group of primary air distribution branch pipes (6) are communicated with the gas chamber, and a primary gas outlet end is arranged on a pipe body of each group of primary air distribution branch pipes;
the two groups of secondary air distribution branch pipes (13), each group of secondary air distribution branch pipes (13) is a C-shaped pipeline and is used for connecting the primary air outlet ends of each two groups of primary air distribution branch pipes (6), and the pipe body of each group of primary air distribution branch pipes is provided with a secondary air outlet end;
and the air distribution main pipe (8) connects the outlet ends of the two secondary air distribution branch pipes (13) and is used for guiding out the air.
6. The vertical heat storage tower according to claim 1 or 2, wherein the bottom of the base (1) is provided with a plurality of legs (14), and a space for placing the zipper machine (10) is formed between each leg (14);
be equipped with conveyor belt mechanism on zip fastener machine (10), it is located in the space that each landing leg (14) of base (1) bottom formed, and be located ash discharge valve (9) are under for collect the dust that ash discharge valve (9) discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386305.1U CN211782951U (en) | 2019-12-26 | 2019-12-26 | Vertical heat storage tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386305.1U CN211782951U (en) | 2019-12-26 | 2019-12-26 | Vertical heat storage tower |
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| CN211782951U true CN211782951U (en) | 2020-10-27 |
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| CN201922386305.1U Active CN211782951U (en) | 2019-12-26 | 2019-12-26 | Vertical heat storage tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076594A (en) * | 2019-12-26 | 2020-04-28 | 思安新能源股份有限公司 | Vertical heat storage tower |
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- 2019-12-26 CN CN201922386305.1U patent/CN211782951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076594A (en) * | 2019-12-26 | 2020-04-28 | 思安新能源股份有限公司 | Vertical heat storage tower |
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