CN111778044A - Energy-saving and durable coke oven regenerator sealing wall - Google Patents
Energy-saving and durable coke oven regenerator sealing wall Download PDFInfo
- Publication number
- CN111778044A CN111778044A CN202010744030.9A CN202010744030A CN111778044A CN 111778044 A CN111778044 A CN 111778044A CN 202010744030 A CN202010744030 A CN 202010744030A CN 111778044 A CN111778044 A CN 111778044A
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- Prior art keywords
- wall
- bricks
- insulating
- heat
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 239000000571 coke Substances 0.000 title claims abstract description 29
- 239000011449 brick Substances 0.000 claims abstract description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 20
- 239000000378 calcium silicate Substances 0.000 claims abstract description 12
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 12
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- 239000010935 stainless steel Substances 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 14
- 230000009970 fire resistant effect Effects 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to the technical field of coke oven regenerator sealing walls, in particular to an energy-saving and durable coke oven regenerator sealing wall. The wall structure of the energy-saving and durable coke oven regenerator sealing wall sequentially comprises silica bricks, asbestos-free calcium silicate boards, stainless steel plates, heat-insulating and fireproof light bricks and heat-insulating materials from inside to outside; the silicon bricks of the sealing wall are embedded into the main wall and the single wall, so that no straight joint exists between the inside and the outside of the furnace; expansion joints are arranged on the contact surfaces of the silica bricks with the main wall and the single wall, and the expansion joints are arranged on the contact surfaces of the heat-insulating fireproof light-weight bricks with the main wall and the single wall; the heat-insulating and fire-resisting light bricks are light heat-insulating refractory bricks, the heat-insulating and fire-resisting light bricks have the same expansion with the main wall and the single wall, and after the furnace is dried, the surfaces of all layers of heat-insulating and fire-resisting light bricks are subjected to pointing. The invention has single structure point and reasonable and firm structure, and further strengthens the sealing property of the furnace body; the wall body is durable, and the service life of the furnace body is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of coke oven regenerator sealing walls, in particular to an energy-saving and durable coke oven regenerator sealing wall.
Background
The coke oven regenerator is a space built by refractory bricks and used for preheating air or lean gas by high-temperature waste gas. Is positioned at the lower part of the coke oven body. The long axis of the regenerative chamber is parallel to the long axis of the coke oven and is arranged longitudinally; the two shafts are vertically and transversely arranged. It is composed of small flue, grate brick and upper space. One end of the small flue is connected with a corresponding waste gas tray, air or lean gas is introduced, and waste gas is introduced. The upper space is filled with the shaped bricks, and the shaped bricks are heated by combustion waste gas; the hot brick can preheat air or lean gas to about 1000 ℃, and the air or lean gas is sent into the corresponding vertical flue through two rows of inclined chutes at the top.
Along with the large-scale coke oven, the long-direction adjustment of the coke oven is convenient, the heat storage chamber adopts a cellular structure, and the heat storage chamber with the cells at the furnace end is only used for the vertical flame path at the furnace end. The sealing wall of the coke oven is not tightly sealed, so that air is sucked into a furnace end cellular heat storage chamber, the temperature of a furnace end flame path is low, the furnace end generates coke, and the quality of the coke is reduced; and can seriously cause part of gas to be combusted in the heat storage chamber. CN 101906308A discloses a sealing wall of a coke oven regenerator with an energy-saving structure, which can increase the sealing property of an oven body and prolong the service life of the coke oven. However, in the practical use process, the sealing performance and the durability are not ideal and need to be further improved,
disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an energy-saving and durable coke oven regenerator sealing wall. The sealing performance of the furnace body is further enhanced, and the durability of the wall body is greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy-saving and durable coke oven regenerator sealing wall is characterized in that the wall body structure of the energy-saving and durable coke oven regenerator sealing wall sequentially comprises silica bricks, asbestos-free calcium silicate boards, stainless steel plates, heat-insulating and fireproof light bricks and heat-insulating materials from inside to outside; the silicon bricks of the sealing wall are embedded into the main wall and the single wall, so that no straight joint exists between the inside and the outside of the furnace; expansion joints are arranged on the contact surfaces of the silica bricks with the main wall and the single wall, and the expansion joints are arranged on the contact surfaces of the heat-insulating fireproof light-weight bricks with the main wall and the single wall; the heat-insulating and fire-resisting light bricks are light heat-insulating refractory bricks, the heat-insulating and fire-resisting light bricks have the same expansion with the main wall and the single wall, and after the furnace is dried, the surfaces of all layers of heat-insulating and fire-resisting light bricks are subjected to pointing.
And each layer of the heat-insulating fireproof light-weight brick adopts a masonry structure with a matched ditch and tongue.
The light heat-insulating refractory brick is a light silica brick or a floating bead brick or a heat-insulating brick or a light clay brick.
The asbestos-free calcium silicate board is a whole board with specified size and thickness and is arranged between the silica bricks and the stainless steel plate.
The stainless steel plate is a whole steel plate and is arranged between the heat-insulating fireproof light-weight brick and the asbestos-free calcium silicate plate.
The heat-insulating material is made of light heat-insulating pouring material or coating material, pouring or spraying is carried out after the joint pointing of the surface of the heat-insulating fireproof light brick after the furnace is dried, and the pouring and the spraying are carried out for many times.
Compared with the prior art, the invention has the beneficial effects that:
1) the silicon bricks of the invention adopt a masonry structure with the matching of the lug bosses and the grooves among all layers, and the silicon bricks of the sealing wall are embedded into the main wall and the single wall, so that no straight joint exists between the inside and the outside of the furnace; simple structure, reasonable and firm structure, and further enhances the sealing performance of the furnace body.
2) The contact surfaces of the silica bricks and the main wall and the single wall are provided with expansion joints, and the contact surfaces of the heat-insulating fireproof light-weight bricks and the main wall and the single wall are provided with expansion joints; the heat-insulating and fire-resistant light bricks are light heat-insulating and fire-resistant refractory bricks, the heat-insulating and fire-resistant light bricks expand as same as the main wall and the single wall, and after the furnace is dried, the surfaces of all layers of heat-insulating and fire-resistant light bricks are subjected to pointing; the material adopted is consistent in height expansion, so that the high-direction brick joint pulling of the heat-insulating and fire-resistant light bricks is avoided, the sealing wall bulge caused by the expansion of the furnace body is avoided from protruding out of the front surface of the coke oven, the air in the furnace is prevented from being sucked from the sealing wall, the wall body is durable, and the service life of the furnace body is greatly prolonged.
3) The heat-insulating and fire-resistant lightweight brick adopts heat-insulating pouring materials or coating materials on the outermost layer after pointing, pouring or spraying is carried out after pointing the surface of the heat-insulating and fire-resistant lightweight brick after baking, and the pouring and the spraying are carried out for a plurality of times. The tightness and the heat insulation effect of the sealing wall are ensured, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic top cross-sectional view of the present invention in its configuration;
FIG. 2 is a schematic front sectional view of the structure of the present invention.
In the figure: 1-silica brick 2-asbestos-free calcium silicate board 3-stainless steel plate 4-heat-insulating refractory light brick 5-heat-insulating pouring material or coating material 6-main wall 7-single wall 8-expansion joint 9-mosaic structure
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figures 1 and 2, the wall body structure of the energy-saving and durable coke oven regenerator sealing wall is silica bricks 1, asbestos-free calcium silicate boards 2, stainless steel plates 3, heat-insulating and fireproof light bricks 4 and heat-insulating casting materials or coating materials 5 from inside to outside.
The furnace body inner layer is built by using the silica bricks 1, a building structure with matched bosses and grooves is adopted between each layer of silica bricks 1, the silica bricks 1 of the sealing wall enter the main wall 6 and the single wall 7 by adopting the mosaic structure 9, so that no straight seam exists between the inside and the outside of the furnace, the sealing wall and the furnace body main wall 6 and the single wall 7 form a whole body made of the same material, the structure is simple, the structure is reasonable and firm, and the sealing performance of the furnace body is further enhanced. Expansion joints 8 are arranged between the wall sealing silica bricks 1 and the main wall 6 and between the wall sealing silica bricks and the single wall 7, and ceramic fiber blankets are laid in the expansion joints 8, so that the wall sealing expansion caused by furnace body expansion after baking is avoided, the wall body is durable, and the service life of the furnace body is greatly prolonged.
And a groove-tongue matched masonry structure is adopted among all layers of heat-insulating and fire-resistant light bricks 4, so that the structural strength is enhanced, and gas leakage is avoided. Expansion joints 8 are arranged between the wall sealing heat insulation fireproof light-weight bricks 4 and the main wall 6 and the single wall 7, and ceramic fiber blankets are laid in the expansion joints 8, so that the wall sealing expansion caused by furnace body expansion after baking is avoided, the wall body is durable, and the service life of the furnace body is greatly prolonged.
The heat-insulating fireproof light-weight brick 4 preferably adopts light-weight silica bricks, can also adopt light-weight heat-insulating fireproof bricks such as floating bead bricks, heat-insulating bricks or light-weight clay bricks, and the expansion amount of brickworks of the sealing wall after the oven is baked is consistent with that of brickworks of the main wall 6 and the single wall 7, so that the possibility of pulling cracks after the sealing wall is expanded in the high direction is avoided.
The asbestos-free calcium silicate board 2 is a whole board with specified size and thickness and is arranged between the silica brick 1 and the stainless steel plate 3. The stainless steel plate 3 is a whole steel plate and is arranged between the heat-insulating fireproof light-weight brick 4 and the asbestos-free calcium silicate board 2. The monolithic stainless steel plate 3 and the monolithic asbestos-free calcium silicate board 2 have good sealing and heat insulating properties.
After the heat-insulating fire-resistant light brick 4 is built, the surface of the brick is subjected to pointing after the furnace is baked, so that the sealing property is improved. After the heat-insulating and fireproof light-weight brick 4 is subjected to pointing, heat-insulating pouring materials or coating materials 5 are adopted on the outermost layer, pouring or spraying is carried out after the surface of the heat-insulating and fireproof light-weight brick is subjected to pointing after a furnace, and the pouring and the spraying are carried out for multiple times. The tightness and the heat insulation effect of the sealing wall are ensured, and the maintenance is convenient.
The invention has simple structure and reasonable and firm structure, and further enhances the sealing property of the furnace body. The wall body is durable, and the service life of the furnace body is greatly prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An energy-saving and durable coke oven regenerator sealing wall is characterized in that the wall structure of the energy-saving and durable coke oven regenerator sealing wall sequentially comprises silica bricks, asbestos-free calcium silicate boards, stainless steel plates, heat-insulating and fireproof light bricks and heat-insulating materials from inside to outside; the silicon bricks of the sealing wall are embedded into the main wall and the single wall, so that no straight joint exists between the inside and the outside of the furnace; expansion joints are arranged on the contact surfaces of the silica bricks with the main wall and the single wall, and the expansion joints are arranged on the contact surfaces of the heat-insulating fireproof light-weight bricks with the main wall and the single wall; the heat-insulating and fire-resisting light bricks are light heat-insulating refractory bricks, the heat-insulating and fire-resisting light bricks have the same expansion with the main wall and the single wall, and after the furnace is dried, the surfaces of all layers of heat-insulating and fire-resisting light bricks are subjected to pointing.
2. The energy-saving and durable coke oven regenerator closing wall according to claim 1, wherein a channel-tongue matched masonry structure is adopted between each layer of the heat-insulating and fire-resistant lightweight bricks.
3. The energy-saving and durable coke oven regenerator closure wall as claimed in claim 1, wherein said light insulating refractory brick is a light silica brick or floating bead brick or insulating brick or light clay brick.
4. The energy-saving, durable coke oven regenerator closure wall of claim 1, wherein said asbestos-free calcium silicate board is a whole sheet of a specified size and thickness, disposed between silica bricks and stainless steel plates.
5. The energy-saving, durable coke oven regenerator closure wall of claim 1, wherein said stainless steel sheet is a monolithic steel sheet disposed between the heat insulating, fire resistant lightweight bricks and the asbestos-free calcium silicate board.
6. The energy-saving and durable coke oven regenerator sealing wall as claimed in claim 1, wherein the heat insulating material is light heat insulating casting material or coating material, and the casting or spraying is carried out after the heat insulating refractory light brick surface is caulked after the oven is dried, and the casting and spraying are carried out for a plurality of times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744030.9A CN111778044A (en) | 2020-07-29 | 2020-07-29 | Energy-saving and durable coke oven regenerator sealing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744030.9A CN111778044A (en) | 2020-07-29 | 2020-07-29 | Energy-saving and durable coke oven regenerator sealing wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111778044A true CN111778044A (en) | 2020-10-16 |
Family
ID=72765442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010744030.9A Withdrawn CN111778044A (en) | 2020-07-29 | 2020-07-29 | Energy-saving and durable coke oven regenerator sealing wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111778044A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906308A (en) * | 2010-08-17 | 2010-12-08 | 中冶焦耐(大连)工程技术有限公司 | Coke oven regenerator sealing wall with energy-saving structure |
| CN212504701U (en) * | 2020-07-29 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | Energy-saving and durable coke oven regenerator sealing wall |
-
2020
- 2020-07-29 CN CN202010744030.9A patent/CN111778044A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906308A (en) * | 2010-08-17 | 2010-12-08 | 中冶焦耐(大连)工程技术有限公司 | Coke oven regenerator sealing wall with energy-saving structure |
| CN212504701U (en) * | 2020-07-29 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | Energy-saving and durable coke oven regenerator sealing wall |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201016 |