CN117625215A - Device for preventing sliding layer of regenerator from leaking gas - Google Patents
Device for preventing sliding layer of regenerator from leaking gas Download PDFInfo
- Publication number
- CN117625215A CN117625215A CN202311595085.8A CN202311595085A CN117625215A CN 117625215 A CN117625215 A CN 117625215A CN 202311595085 A CN202311595085 A CN 202311595085A CN 117625215 A CN117625215 A CN 117625215A
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- CN
- China
- Prior art keywords
- gas
- pipe
- brick
- regenerator
- sliding layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012791 sliding layer Substances 0.000 title claims abstract description 31
- 239000011449 brick Substances 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000007921 spray Substances 0.000 claims abstract description 24
- 239000004927 clay Substances 0.000 claims abstract description 21
- 239000000571 coke Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Coke Industry (AREA)
Abstract
The invention relates to a device for preventing air leakage of a sliding layer of a regenerator, which comprises a plurality of steel pipes, wherein the bottom end of a lower spray pipe is fixedly connected with a first flange, the bottom end of the steel pipe is fixedly connected with a second flange, each steel pipe is sleeved in the corresponding lower spray pipe, the first flange is fixedly connected with the second flange, and the top end of each steel pipe penetrates through the sliding layer to a first gas pipe brick channel. The invention has the advantages that: the top end of the steel pipe passes through the sliding layer to the siliceous gas pipe brick channel of the regenerator, the gas is connected to the bottom end of the steel pipe through the lower spray pipe, the problem of gas blowby caused by incomplete bonding of brickwork at the sliding layer part is solved, meanwhile, the blasting of a small flue of the regenerator is reduced, the production safety and the thermal efficiency of the coke oven are improved, the investment cost is low, and the implementation is easy; after the thermal state baking furnace, the central axis of the siliceous gas pipe brick channel is finally overlapped with the central axis of the clay gas pipe brick channel, and at the moment, the steel pipe extends into the siliceous gas pipe brick channel of the regenerator, thereby facilitating the insertion of the steel pipe and the construction.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a device for preventing air leakage of a sliding layer of a regenerator.
Background
Most coke ovens are heated by coke oven gas, and in the production process of the coke ovens, blasting of coke oven gas pipe bricks often occurs, so that the production safety of the coke ovens and the service life of the coke ovens are affected. Because the lower brick layer of the regenerator adopts clay bricks, the upper brick layer adopts high-temperature resistant and high-strength silica bricks, and the expansion coefficients of refractory materials of the two bricks are different, a sliding layer is arranged between the silica brick layer and the clay silica layer of the regenerator and used for thermal sliding. However, due to the existence of the sliding layer, the upper brick layer and the lower brick layer of the regenerator are separated, and the layers of refractory bricks are not completely contacted, so that the air tightness is affected.
Disclosure of Invention
The invention aims to provide a device for preventing gas leakage of a sliding layer of a regenerator, which solves the problem of gas tube brick blowby, reduces gas blowby at the sliding layer, reduces blasting of a small flue of the regenerator, and improves production safety and thermal efficiency of a coke oven.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the device comprises a lower spray pipe, first gas pipe brick channels, second gas pipe brick channels and a sliding layer, wherein a plurality of first gas pipe brick channels are arranged in the upper brick layer at intervals, a plurality of second gas pipe brick channels are arranged in the lower brick layer at intervals, the bottom end of each second gas pipe brick channel is provided with a lower spray pipe, and the top opening of each second gas pipe brick channel faces to the bottom opening of the corresponding first gas pipe brick channel;
the gas pipe brick device further comprises a plurality of steel pipes, the bottom end of each lower spray pipe is fixedly connected with a first flange, the bottom end of each lower spray pipe is fixedly connected with a second flange, each steel pipe is sleeved in the corresponding lower spray pipe, the first flange is fixedly connected with the second flange, and the top end of each steel pipe penetrates through the sliding layer to reach the first gas pipe brick channel.
The wall thickness of the steel pipe is 2-3 mm, the outer diameter of the steel pipe is smaller than the inner diameter of the lower spray pipe and is 40-50 mm.
The first gas tile passageway is comprised of a plurality of siliceous gas tiles and the second gas tile passageway is comprised of a plurality of clay gas tiles.
The first gas pipe brick channel and the second gas pipe brick channel are vertically arranged.
The steel pipe is made of high-temperature resistant metal material.
After the coke oven is in a hot state, the central shaft of the first gas pipe brick channel is finally overlapped with the central shaft of the second gas pipe brick channel through the sliding of the sliding layer, and the steel pipe extends into the first gas pipe brick channel and is used for introducing gas.
Compared with the prior art, the invention has the beneficial effects that:
1. the steel pipe is sleeved in the lower spray pipe and fixedly connected with the flange II through the flange I, so that the steel pipe is convenient to assemble and disassemble on site, and is safe and reliable;
2. the top end of the steel pipe passes through the sliding layer to the siliceous gas pipe brick channel of the regenerator, the gas is connected to the bottom end of the steel pipe through the lower spray pipe, the problem of gas blowby caused by incomplete bonding of brickwork at the sliding layer part is solved, meanwhile, the blasting of a small flue of the regenerator is reduced, the production safety and the thermal efficiency of the coke oven are improved, the investment cost is low, and the implementation is easy;
3. after the thermal state baking furnace, the central axis of the siliceous gas pipe brick channel is finally overlapped with the central axis of the clay gas pipe brick channel, and at the moment, the steel pipe extends into the siliceous gas pipe brick channel of the regenerator, thereby facilitating the insertion of the steel pipe and the construction.
Drawings
FIG. 1 is a cross-sectional view of a regenerator in the cold state of a coke oven.
FIG. 2 is a schematic diagram of a coke oven thermal state regenerator sliding layer leakage prevention device.
Fig. 3 is an enlarged view of the section I of fig. 2.
In the figure: the method comprises the steps of 1-a lower spray pipe 2-a clay gas pipe brick channel 3-a sliding layer 4-a steel pipe 5-a siliceous gas pipe brick channel 6-a regenerative chamber silicon brick layer 7-a regenerative chamber clay brick layer 8-a flange I and a flange II.
Detailed Description
The present invention will be described in detail below with reference to the drawings of the specification, but it should be noted that the practice of the present invention is not limited to the following embodiments.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present invention, but the scope of the present invention is not limited to the following examples. The methods used in the examples described below are conventional methods unless otherwise specified.
[ example 1 ]
Referring to fig. 2 and 3, an air leakage preventing device for a regenerator sliding layer 3 comprises a lower spray pipe 1, a siliceous gas pipe brick channel 5, a clay gas pipe brick channel 2 and a sliding layer 3, wherein a regenerator clay brick layer 7, a regenerator silica brick layer 6 and a plurality of steel pipes 4 are arranged in the regenerator silica brick layer 6 at intervals, a plurality of clay gas pipe brick channels 2 are arranged in the regenerator clay brick layer 7 at intervals, the siliceous gas pipe brick channels 5 and the clay gas pipe brick channels 2 are vertically arranged, the siliceous gas pipe brick channels 5 are formed by a plurality of siliceous gas pipe bricks, and the clay gas pipe brick channels 2 are formed by a plurality of clay gas pipe bricks; the bottom end of each clay gas pipe brick channel 2 is provided with a lower spray pipe 1, and the top opening of each clay gas pipe brick channel 2 faces to the bottom opening of the corresponding siliceous gas pipe brick channel 5; the bottom end of the lower spray pipe 1 is fixedly connected with a first flange 8, the bottom end of the steel pipe 4 is fixedly connected with a second flange 9, each steel pipe 4 is sleeved in the corresponding lower spray pipe 1, the first flange 8 is fixedly connected with the second flange 9, and the top end of each steel pipe 4 passes through the sliding layer 3 to the siliceous gas pipe brick channel 5 of the regenerator; the wall thickness of the steel pipe 4 is 2-3 mm, the outer diameter of the steel pipe 4 is smaller than the inner diameter of the lower spray pipe 1, the inner diameter of the lower spray pipe is about 45+/-5 mm, and the steel pipe 4 is made of high-temperature-resistant metal materials according to specific size reference process requirements.
Because the coke oven thermal state expands along the machine side-coke side direction, a sliding layer 3 is arranged between the siliceous gas pipe brick channel 5 and the clay gas pipe brick channel 2; when in cold construction, the central axis of the siliceous gas pipe brick channel 5 is staggered with the central axis of the clay gas pipe brick channel 2, as shown in figure 1; after the thermal state baking, see fig. 2, finally the central axis of the siliceous gas pipe brick channel coincides with the central axis of the clay gas pipe brick channel, at this time, the steel pipe 4 extends into the siliceous gas pipe brick channel of the regenerator, and the steel pipe 4 is used for introducing gas.
The steel pipe is sleeved in the lower spray pipe and fixedly connected with the flange II through the flange I, so that the steel pipe is convenient to assemble and disassemble on site, and is safe and reliable; the top end of the steel pipe passes through the sliding layer to the siliceous gas pipe brick channel of the regenerator, the gas is connected to the bottom end of the steel pipe through the lower spray pipe, the problem of gas blowby caused by incomplete bonding of brickwork at the sliding layer part is solved, meanwhile, the blasting of a small flue of the regenerator is reduced, the production safety and the thermal efficiency of the coke oven are improved, the investment cost is low, and the implementation is easy; after the thermal state baking furnace, the central axis of the siliceous gas pipe brick channel is finally overlapped with the central axis of the clay gas pipe brick channel, and at the moment, the steel pipe extends into the siliceous gas pipe brick channel of the regenerator, thereby facilitating the insertion of the steel pipe and the construction.
Claims (6)
1. The device comprises a lower spray pipe, first gas pipe brick channels, second gas pipe brick channels and a sliding layer, wherein a plurality of first gas pipe brick channels are arranged in the upper brick layer at intervals, a plurality of second gas pipe brick channels are arranged in the lower brick layer at intervals, the bottom end of each second gas pipe brick channel is provided with a lower spray pipe, and the top opening of each second gas pipe brick channel faces to the bottom opening of the corresponding first gas pipe brick channel;
the gas pipe brick device is characterized by further comprising a plurality of steel pipes, wherein the bottom end of the lower spray pipe is fixedly connected with a first flange, the bottom end of the steel pipe is fixedly connected with a second flange, each steel pipe is sleeved in the corresponding lower spray pipe, the first flange is fixedly connected with the second flange, and the top end of each steel pipe penetrates through the sliding layer to reach the first gas pipe brick channel.
2. The device for preventing gas leakage of sliding layer of regenerator as set forth in claim 1, wherein the wall thickness of the steel pipe is 2-3 mm, and the outer diameter of the steel pipe is 40-50 mm smaller than the inner diameter of the lower nozzle.
3. The regenerator slide layer leak protection apparatus of claim 1, wherein the first gas block passageway is comprised of a plurality of silica gas blocks and the second gas block passageway is comprised of a plurality of clay gas blocks.
4. A regenerator sliding layer gas leak preventer according to claim 3, wherein the first gas block passageway and the second gas block passageway are vertically disposed.
5. The regenerator sliding layer leak protection apparatus of claim 1, wherein the steel tube is made of a high temperature resistant metal material.
6. The gas leakage preventing device for the sliding layer of the regenerator according to claim 1, wherein after the coke oven is in a hot state, the sliding layer slides to finally enable the central axis of the first gas pipe brick channel to coincide with the central axis of the second gas pipe brick channel, and the steel pipe extends into the first gas pipe brick channel and is used for introducing gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595085.8A CN117625215A (en) | 2023-11-27 | 2023-11-27 | Device for preventing sliding layer of regenerator from leaking gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311595085.8A CN117625215A (en) | 2023-11-27 | 2023-11-27 | Device for preventing sliding layer of regenerator from leaking gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117625215A true CN117625215A (en) | 2024-03-01 |
Family
ID=90022827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311595085.8A Pending CN117625215A (en) | 2023-11-27 | 2023-11-27 | Device for preventing sliding layer of regenerator from leaking gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117625215A (en) |
-
2023
- 2023-11-27 CN CN202311595085.8A patent/CN117625215A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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