CN220250702U - Kiln cooling flue gas waste heat recovery system - Google Patents
Kiln cooling flue gas waste heat recovery system Download PDFInfo
- Publication number
- CN220250702U CN220250702U CN202321895200.9U CN202321895200U CN220250702U CN 220250702 U CN220250702 U CN 220250702U CN 202321895200 U CN202321895200 U CN 202321895200U CN 220250702 U CN220250702 U CN 220250702U
- Authority
- CN
- China
- Prior art keywords
- cooling
- flue gas
- kiln
- heat exchange
- heat
- Prior art date
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 108
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000003546 flue gas Substances 0.000 title claims abstract description 61
- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 3
- 239000011449 brick Substances 0.000 abstract description 15
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kiln cooling flue gas waste heat recovery system, which comprises a kiln cooling section, a cooling flue gas heat exchanger, a cooling fan and a water storage tank, wherein a plurality of cooling air pipes are arranged in the kiln cooling section, the cooling fan is connected with the plurality of cooling air pipes, the cooling flue gas heat exchanger is arranged above the kiln cooling section, a heat exchange cavity is arranged in the cooling flue gas heat exchanger, a collecting pipe communicated with the heat exchange cavity is arranged at the top of the cooling flue gas heat exchanger, a heat exchange piece is arranged in the heat exchange cavity, and the water storage tank is connected with the collecting pipe or the heat exchange piece; according to the kiln cooling flue gas waste heat recovery system, the cooling flue gas heat exchanger is arranged on the kiln cooling section, high-temperature kiln flue gas generated by cooling brick blanks is subjected to heat exchange treatment with the heat exchange piece, and heat of the kiln flue gas is recovered and stored in the water storage tank so as to be used by the ball mill, so that heat waste of the high-temperature kiln generated by cooling the brick blanks is avoided.
Description
Technical field:
the utility model relates to the technical field of ceramic kilns, in particular to a kiln cooling smoke waste heat recovery system.
The background technology is as follows:
the kiln is a furnace for firing ceramic ware and sculpturing or fusing enamel to the surface of the metal ware, the kiln is built by refractory materials and can be manufactured into different specifications according to requirements, the kiln can be divided into a ceramic kiln, a cement kiln and a enamel kiln according to the types of the calcined materials, a cooling section is arranged at the tail part of the kiln, the cooling section of the kiln cools a brick blank produced by the kiln in an air cooling mode and generates high-temperature kiln flue gas, the high-temperature kiln flue gas of the part contains more heat, but the high-temperature kiln flue gas generated by the existing kiln after cooling the brick blank is directly exhausted after desulfurization treatment, and the heat waste of the high-temperature kiln generated by cooling the brick blank can be caused.
The utility model comprises the following steps:
in order to solve the technical problems, the utility model provides a kiln cooling flue gas waste heat recovery system, wherein a cooling flue gas heat exchanger is arranged on a kiln cooling section, high-temperature kiln flue gas generated by cooling brick blanks is subjected to heat exchange treatment with a heat exchange piece, and heat of the kiln flue gas is recovered and stored in a water storage tank so as to be used by a ball mill, so that the heat waste of the high-temperature kiln generated by cooling the brick blanks is avoided.
The utility model provides a kiln cooling flue gas waste heat recovery system, includes kiln cooling section, cooling flue gas heat exchanger, cooling fan and water storage tank, be provided with a plurality of cooling tuber pipes in the kiln cooling section, and cooling fan is connected with a plurality of cooling tuber pipes, cooling flue gas heat exchanger sets up kiln cooling section top is provided with the heat transfer chamber in the cooling flue gas heat exchanger, cooling flue gas heat exchanger's top be provided with the manifold of heat transfer chamber intercommunication, and be provided with the heat transfer piece in the heat transfer chamber, the water storage tank with the manifold or the heat transfer piece is connected.
Preferably, the cooling fan is connected with an air supply pipe, the air supply pipe comprises a main air pipe and a shunt pipe which are communicated, and the shunt pipe is connected with a plurality of cooling air pipes.
Preferably, the heat exchange piece comprises a plurality of heat exchange pipe bodies, a plurality of heat exchange fins are uniformly arranged on the circumferences of the heat exchange pipe bodies, and the collecting pipe is connected with an induced draft fan.
Preferably, the water storage tank is connected with one ends of the heat exchange tubes through an input pipe, and the water storage tank is connected with the other ends of the heat exchange tubes through a return pipe.
Preferably, the heat exchange piece comprises a plurality of heat exchange clapboards, a plurality of heat exchange clapboards are arranged in the heat exchange cavity at equal intervals, and conveying air pipes communicated with the heat exchange cavity are arranged on the left side and the right side of the heat exchange cavity.
Preferably, the system further comprises a gas-liquid heat exchanger, the collecting pipe is connected with the gas-liquid heat exchanger, an induced draft fan is arranged on the gas-liquid heat exchanger, and the gas-liquid heat exchanger is connected with the water storage tank.
The beneficial effects of the utility model are as follows: this kiln cooling flue gas waste heat recovery system is through kiln cooling section, cooling flue gas heat exchanger, cooling fan and water storage jar mutually support for be provided with cooling flue gas heat exchanger on the kiln cooling section, the high temperature kiln flue gas that cooling brick embryo produced carries out heat exchange treatment with the heat exchange member, and in with the heat recovery of kiln flue gas and store the water storage jar so that the ball mill uses, in order to avoid causing the heat waste of the high temperature kiln that cooling brick embryo produced.
Drawings
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a top view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a cooling flue gas heat exchanger according to an embodiment of the present utility model;
FIG. 4 is a front view of a second embodiment of the present utility model;
fig. 5 is a top view of a second embodiment of the present utility model.
In the figure: the cooling system comprises a kiln cooling section 1, a cooling flue gas heat exchanger 2, a cooling fan 3, a water storage tank 4, a cooling air pipe 5, a heat exchange cavity 6, a collecting pipe 7, an air supply pipe 8, a main air pipe 9, a split pipe 10, a heat exchange pipe body 11, a draught fan 12, an input pipe 13, a return pipe 14, a heat exchange partition plate 15, a conveying air pipe 16 and a gas-liquid heat exchanger 17.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model.
As shown in fig. 1 to 5, a kiln cooling flue gas waste heat recovery system comprises a kiln cooling section 1, a cooling flue gas heat exchanger 2, a cooling fan 3 and a water storage tank 4, wherein a plurality of cooling air pipes 5 are arranged in the kiln cooling section 1, the cooling fan 3 is connected with the plurality of cooling air pipes 5, the cooling flue gas heat exchanger 2 is arranged above the kiln cooling section 1, a heat exchange cavity 6 is arranged in the cooling flue gas heat exchanger 2, the top of the cooling flue gas heat exchanger 2 is provided with a collecting pipe 7 communicated with the heat exchange cavity 6, a heat exchange piece is arranged in the heat exchange cavity 6, and the water storage tank 4 is connected with the collecting pipe 7 or the heat exchange piece.
The working principle of the kiln cooling flue gas waste heat recovery system is realized by mutually matching a kiln cooling section 1, a cooling flue gas heat exchanger 2, a cooling fan 3 and a water storage tank 4, as shown in figures 1 to 5, brick blanks are conveyed in the kiln cooling section 1, cooling air is input into the kiln cooling section 1 through a cooling air pipe 5, the brick blanks and the cooling air are contacted, heat release and cooling are carried out, the brick blanks are cooled and generate high-temperature kiln flue gas, then the high-temperature kiln flue gas flows upwards into a heat exchange cavity 6, a heat exchange piece in the heat exchange cavity 6 performs gas-to-heat exchange or gas-liquid heat exchange treatment with the high-temperature kiln flue gas, high-temperature water is generated when the heat exchange piece performs gas-liquid heat exchange treatment with the high-temperature kiln flue gas, the water storage tank 4 is connected with the heat exchange piece, the heat exchange piece directly conveys the high-temperature water to the water storage tank 4 and stores heat in the water storage tank 4 so as to be used by a ball mill (not shown in the figure), the high-temperature gas can be conveyed to a drying kiln and can be used by the high-temperature gas, and the high-temperature gas can be stored in the heat exchange system, and the heat storage tank 4 can be saved in the kiln can be used for the heat exchange with the kiln, compared with the kiln, and the kiln waste heat can be recovered by the heat storage tank, and the kiln flue gas can be conveniently used by the kiln waste heat, and the kiln waste is avoided by the heat can be generated by the heat storage system, and the kiln flue gas.
Specifically, the cooling fan 3 is connected with the air supply pipe 8, the air supply pipe 8 includes a main air pipe 9 and a shunt pipe 10 which are communicated, the shunt pipe 10 is connected with a plurality of cooling air pipes 5, the cooling fan 3 transmits cooling air to the main air pipe 9 and along the shunt pipe 10 to each cooling air pipe 5 so as to cool the brick blanks in the kiln cooling section 1, in the first embodiment of the utility model, the heat exchange member includes a plurality of heat exchange pipes 11, a plurality of heat exchange fins are uniformly arranged on the circumference of the heat exchange pipes 11, the draft fan 12 is connected to the draft pipe 7, wherein the water storage tank 4 is connected with one end of the plurality of heat exchange pipes 11 through an input pipe 13, and the water storage tank 4 is connected with the other end of the plurality of heat exchange pipes 11 through a return pipe 14, as shown in fig. 1 to 3, for the water kiln, kiln flue gas generated by cooling the brick blanks is water flue gas, the water storage tank 4 transmits low-temperature water to the heat exchange pipes 11 through the return pipe 14, performs gas-liquid heat exchange treatment with the water gas flue gas, and generates low-temperature gas and high-temperature water gas, the low-temperature water gas enters the draft fan 12 and is exhausted by the draft fan 13 through the draft fan 13, and is discharged into the water storage tank 4 through the draft fan 13.
In the second embodiment of the present utility model, the heat exchange member includes a plurality of heat exchange baffles 15, a plurality of heat exchange baffles 15 are disposed in the heat exchange cavity 6 at equal intervals, and a gas conveying pipe 16 communicating with the heat exchange cavity 6 is disposed at the left and right sides of the heat exchange cavity 6, the kiln cooling flue gas waste heat recovery system further includes a gas-liquid heat exchanger 17, the collecting pipe 7 is connected with the gas-liquid heat exchanger 17, the gas-liquid heat exchanger 17 is provided with an induced draft fan 12, and the gas-liquid heat exchanger 17 is connected with the water storage tank 4, as shown in fig. 4 to 5, for a natural gas kiln, kiln flue gas generated by cooling brick blanks is natural gas flue gas, a gas conveying pipe 16 conveys low-temperature gas to the heat exchange cavity 6, the low-temperature gas enters into a gap between two adjacent heat exchange baffles 15, the natural gas and the low-temperature gas is subjected to gas-gas heat exchange at a position of the heat exchange baffles 15, and the natural gas flue gas is conveyed from another gas conveying pipe 16 to the drying kiln for use, the high-temperature gas is conveyed to the gas-liquid heat exchanger 17 through the collecting pipe 7, the heat exchanger 17 adopts a heat exchanger structure, and the specific structure is not described as a heat exchanger structure, the kiln flue gas is used as a heat exchanger, the heat exchanger is in detail, and the low-temperature water is conveyed to the low-temperature water tank 17 and the water storage tank 4 by the low-temperature gas is conveyed to the low-temperature water through the heat exchanger 14, and the low-temperature gas is evacuated by the low-temperature water tank 4.
The foregoing description is only specific embodiments of the present utility model, and not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a kiln cooling flue gas waste heat recovery system which characterized in that: including kiln cooling section, cooling flue gas heat exchanger, cooling fan and water storage tank, be provided with a plurality of cooling tuber pipes in the kiln cooling section, and cooling fan is connected with a plurality of cooling tuber pipes, cooling flue gas heat exchanger sets up kiln cooling section top, and be provided with the heat transfer chamber in the cooling flue gas heat exchanger, cooling flue gas heat exchanger's top be provided with the manifold of heat transfer chamber intercommunication, and be provided with the heat transfer piece in the heat transfer chamber, the water storage tank with the manifold or the heat transfer piece is connected.
2. The kiln cooling flue gas waste heat recovery system according to claim 1, wherein: the cooling fan is connected with the blast pipe, the blast pipe is including main tuber pipe and shunt tubes that are linked together, and the shunt tubes is connected with a plurality of cooling tuber pipes.
3. The kiln cooling flue gas waste heat recovery system according to claim 2, wherein: the heat exchange piece comprises a plurality of heat exchange pipe bodies, a plurality of heat exchange fins are uniformly arranged on the circumferences of the heat exchange pipe bodies, and the collecting pipe is connected with an induced draft fan.
4. A kiln cooling flue gas waste heat recovery system according to claim 3, wherein: the water storage tank is connected with one ends of the heat exchange tubes through the input tube, and the water storage tank is connected with the other ends of the heat exchange tubes through the return tube.
5. The kiln cooling flue gas waste heat recovery system according to claim 2, wherein: the heat exchange piece comprises a plurality of heat exchange partition boards, the heat exchange partition boards are arranged in the heat exchange cavity at equal intervals, and conveying air pipes communicated with the heat exchange cavity are arranged on the left side and the right side of the heat exchange cavity.
6. The kiln cooling flue gas waste heat recovery system according to claim 5, wherein: the water storage tank is characterized by further comprising a gas-liquid heat exchanger, wherein the collecting pipe is connected with the gas-liquid heat exchanger, an induced draft fan is arranged on the gas-liquid heat exchanger, and the gas-liquid heat exchanger is connected with the water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321895200.9U CN220250702U (en) | 2023-07-19 | 2023-07-19 | Kiln cooling flue gas waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321895200.9U CN220250702U (en) | 2023-07-19 | 2023-07-19 | Kiln cooling flue gas waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250702U true CN220250702U (en) | 2023-12-26 |
Family
ID=89271742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321895200.9U Active CN220250702U (en) | 2023-07-19 | 2023-07-19 | Kiln cooling flue gas waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250702U (en) |
-
2023
- 2023-07-19 CN CN202321895200.9U patent/CN220250702U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |