CN108277025B - Furnace wall repairing method and special combined tool for coke oven carbonization chamber in production - Google Patents
Furnace wall repairing method and special combined tool for coke oven carbonization chamber in production Download PDFInfo
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- CN108277025B CN108277025B CN201810326954.XA CN201810326954A CN108277025B CN 108277025 B CN108277025 B CN 108277025B CN 201810326954 A CN201810326954 A CN 201810326954A CN 108277025 B CN108277025 B CN 108277025B
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- repairing
- brick
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- 238000003763 carbonization Methods 0.000 title claims abstract description 37
- 239000000571 coke Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011449 brick Substances 0.000 claims abstract description 111
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 79
- 239000010703 silicon Substances 0.000 claims abstract description 79
- 239000002002 slurry Substances 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 238000011049 filling Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 241000251133 Sphyrna tiburo Species 0.000 claims description 22
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000010926 purge Methods 0.000 abstract 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 238000009950 felting Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- C10B29/06—Preventing or repairing leakages of the brickwork
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- 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 discloses a furnace wall repairing method and a special combined tool for coke oven carbonization chamber in production, which are completed by the following steps: after a person is hidden in a furnace column at a furnace door, holding a hollow hammer to knock up a sharp inclined plane at a karst cave part of a furnace wall; cleaning the karst cave part by using a wiping and repairing shovel, and purging the karst cave part by using compressed air; spraying slurry on the surface of the cleaned silicon wall brick by a slurry spraying pump, and uniformly coating the slurry by a coating shovel; the preheated silicon wall bricks are sent to a repair area by a brick sending shovel, and the silicon wall bricks are knocked by a plastering shovel so as to fall on the cleaned silicon wall bricks; filling slurry between two adjacent silicon wall bricks by using a plastering and repairing shovel, pointing and trowelling; the operation is carried out until the last layer of silicon wall brick is built; and (3) filling slurry between the last layer of silicon wall bricks and the original silicon wall bricks above the last layer of silicon wall bricks by using a plastering and repairing shovel, and trowelling gaps. The invention does not need to stop production, and improves economic benefit.
Description
Technical Field
The invention relates to an improvement of a method for repairing a furnace wall of a large coke oven carbonization chamber, in particular to a method for repairing the furnace wall of the coke oven carbonization chamber in production and a special combined tool, which are suitable for timely repairing a damaged wall surface of the coke oven carbonization chamber within 3.5 meters from a furnace mouth in the production process.
Background
In the production process of the coke oven, the phenomenon that the furnace wall of the carbonization chamber has a karst cave happens sometimes, for the coke oven with the length of 15.98 meters, the two ends of the furnace wall of the carbonization chamber are provided with furnace doors for sealing, in the range of 3.5 meters of the longitudinal depth of the furnace wall of the carbonization chamber, due to various reasons such as coke pushing, coal charging vibration, rapid cooling and heating, and the like, longitudinal cracks with the height of about 3.5 meters are basically formed at one meter side of 130 carbonization chambers of the coke oven, the karst cave can be degraded in time and repeatedly sprayed and smeared and repaired, the production is stopped and cooled to about 600 ℃ in a traditional method of digging and repairing, the temperature is low in some cases, the damage to the silicon wall brick is huge, and the digging and repairing process can be completed after about ten hours, and the traditional digging and repairing method is as follows: firstly, stopping heating after pushing coke, and reducing the temperature of the carbonization chamber until the digging and repairing personnel can bear the temperature; step two, pushing the manufactured false furnace door out of one meter of the part to be repaired; thirdly, sticking aluminum silicate asbestos plates adhered with water glass on the carbonization chamber walls at the two sides of the outer side of the fake furnace door until reaching the inner side of the furnace door frame; covering an aluminum silicate asbestos plate between the upper part of the false furnace door and the furnace door frame to prevent graphite coke powder and the like from falling on the upper part of the carbonization chamber; step five, paving two layers of aluminum silicate asbestos felt on the bottom of the carbonization chamber; sixth, cleaning the damaged part by a hammer drill to form a flat vertical surface, cleaning the cleaned part by compressed air, and spraying a layer of grout; seventhly, pre-building the preheated silica bricks, and cutting inappropriately; eighth, building and pointing by using a pulp extrusion method, and reserving an expansion joint on the top layer; ninth, removing the false furnace door and the attached aluminum silicate asbestos felt plate, and cleaning; tenth, spraying slurry to the expansion joint and the excavated and repaired wall surface; and eleventh, burning the upper furnace door to empty, and gradually heating to reach the temperature condition of coal loading. The defects are that: the production is stopped and the temperature is reduced, and in the whole operation process, maintenance personnel can enter after the artificial furnace door is required to be manufactured for heat insulation, wall surface felting, bottom felting and top protection felting are required to be carried out for heat insulation, the repair process is time-consuming and labor-consuming, the labor intensity is high, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide a furnace wall repairing method for repairing a furnace wall karst cave of a coke furnace carbonization chamber within 3.5 meters from a furnace mouth, which is simple and feasible without stopping production, saves time and labor, reduces labor intensity and improves working efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the furnace wall repairing method for the coke oven carbonization chamber in production is characterized by comprising the following steps of: the repairing method is used for repairing the karst cave part of the furnace wall in the range of 3.5 meters away from the furnace door of the coke oven carbonization chamber, and is completed by the following steps:
(A) Opening a furnace door of the coke oven carbonization chamber, and after coke pushing is completed; after one person is hidden in a furnace column at a furnace door, holding a first hand-held rod of the hollow hammer, extending a hollow hammer head of the hollow hammer into a carbonization chamber, breaking a sharp inclined plane at a karst cave part of a furnace wall, and taking out and cooling the hollow hammer when the hollow hammer works in the carbonization chamber for 1 minute so as to ensure that the hollow hammer cannot be deformed by heating;
(B) Cleaning the karst cave part by using a square shovel head of the smearing shovel, and cleaning by using compressed air to ensure that the surface of the cleaned silicon wall brick is smooth and clean;
(C) Spraying slurry on the surface of the cleaned silicon wall brick by a slurry spraying pump, and uniformly coating the slurry by a square shovel head of a plastering and repairing shovel;
(D) A second hand-held rod of the brick feeding shovel is held by one person, a preheated silicon wall brick is placed on a hexagon supporting plate of the brick feeding shovel and is sent to a repairing area, one side edge of the hexagon supporting plate is made to lean against the upper side wall of the cleaned silicon wall brick, the other hand is used for holding the repairing shovel, the square shovel head is used for lightly knocking the silicon wall brick on the brick feeding shovel, and the silicon wall brick on the brick feeding shovel falls on the cleaned silicon wall brick; the operation is carried out until the first layer of silicon wall brick is built;
(E) Filling slurry between two adjacent built silicon wall bricks by using a plastering and repairing shovel, pointing the first layer of built silicon wall bricks, and trowelling;
(F) Spraying slurry on the surface of the first layer of silicon wall bricks by a slurry spraying pump, uniformly coating the slurry by a plastering and repairing shovel, feeding the slurry into the silicon wall bricks by a brick feeding shovel by one person, enabling one side edge of a hexagonal supporting plate to lean against the upper side wall of the first layer of silicon wall bricks, holding the plastering and repairing shovel by the other person, lightly knocking the silicon wall bricks on the brick feeding shovel, enabling the silicon wall bricks on the brick feeding shovel to fall on the first layer of silicon wall bricks until the second layer of silicon wall bricks are built, filling the slurry between two adjacent silicon wall bricks by the plastering and repairing shovel, pointing the built second layer of silicon wall bricks, and trowelling; the operation is carried out until the last layer of silicon wall brick is built;
(G) And filling slurry between the last layer of silicon wall bricks and the original silicon wall bricks above the last layer of silicon wall bricks by using a plastering and repairing shovel, and trowelling gaps to complete the whole repairing work.
The invention also aims to provide a special combined tool for repairing the furnace wall of the coke oven carbonization chamber, which has a simple structure and is convenient to use, and is beneficial to repairing the furnace wall karst cave of the coke oven carbonization chamber within a range of 3.5 meters away from the furnace mouth.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the special combined tool for repairing the furnace wall of the coke oven carbonization chamber in production is characterized in that: the device comprises a hollow hammer, a brick feeding shovel and a plastering and supplementing shovel; the hollow hammer consists of a first hand-held rod and a hollow hammer head, wherein the hollow hammer head is fixed at the front end part of the first hand-held rod, and a cavity is formed in the middle of the hollow hammer head so as to reduce the weight of the hollow hammer head; the brick feeding shovel consists of a second hand-held rod and a hexagonal supporting plate, wherein the hexagonal supporting plate is fixed at the front end part of the second hand-held rod, and is a hexagonal flat plate; the plastering and supplementing shovel is composed of a third hand-held rod and a square shovel head, wherein the square shovel head is fixed at the front end part of the third hand-held rod, and the square shovel head is a rectangular flat plate.
The length of the first hand-held rod, the second hand-held rod and the third hand-held rod is 4.5-5 meters.
The beneficial effects of the invention are as follows: the method is simple and easy to operate, does not need to stop production, saves a large amount of heat insulation protective materials, repairs the karst cave of the furnace wall in the range of 3.5 meters away from the furnace mouth of the coke furnace, saves time and labor, reduces labor intensity, ensures normal production of the coke furnace, and improves working efficiency and economic benefit.
Drawings
Fig. 1 is a schematic front view of the hollow hammer of the present invention.
Fig. 2 is a schematic side view of the hollow hammer of the present invention.
Fig. 3 is a schematic front view of the brick feeding shovel.
Fig. 4 is a schematic front view of the structure of the patch shovel of the present invention.
In the figure: 1. a first hand-held lever; 2. a hollow hammer; 3. a second hand-held rod; 4. a hexagonal pallet; 5. a third hand-held lever; 6. square shovel head.
Detailed Description
The present invention is made with reference to fig. 1, 2, 3, and 4.
The special combined tool for repairing the furnace wall of the coke oven carbonization chamber in production is characterized in that: the device comprises a hollow hammer, a brick feeding shovel and a plastering and supplementing shovel; the hollow hammer is composed of a first hand-held rod 1 and a hollow hammer head 2, wherein the hollow hammer head 2 is fixed at the front end part of the first hand-held rod 1, and a cavity is formed in the middle of the hollow hammer head 2 so as to reduce the weight of the hollow hammer head 2; the brick feeding shovel is composed of a second hand-held rod 3 and a hexagon supporting plate 4, wherein the hexagon supporting plate 4 is fixed at the front end part of the second hand-held rod 3, and the hexagon supporting plate 4 is a hexagon flat plate; the plastering and supplementing shovel is composed of a third hand-held rod 5 and a square shovel head 6, wherein the square shovel head 6 is fixed at the front end part of the third hand-held rod 5, and the square shovel head 6 is a rectangular flat plate.
The lengths of the first hand-held rod 1, the second hand-held rod 3 and the third hand-held rod 5 are 4.5-5 meters.
The furnace wall repairing method for the coke oven carbonization chamber in production is characterized by comprising the following steps of: the repairing method is used for repairing the karst cave part of the furnace wall in the range of 3.5 meters away from the furnace door of the coke oven carbonization chamber, and is completed by the following steps:
(A) Opening a furnace door of the coke oven carbonization chamber, and after coke pushing is completed; after one person is hidden in a furnace column at a furnace door, holding a first hand-held rod 1 of the hollow hammer, extending a hollow hammer head 2 of the hollow hammer into a carbonization chamber, breaking a sharp inclined plane at a karst cave part of a furnace wall, and taking out and cooling the hollow hammer after the hollow hammer works in the carbonization chamber for 1 minute so as to ensure that the hollow hammer cannot be deformed by heat;
(B) Cleaning the karst cave part by using a square shovel head 6 of the smearing shovel, and cleaning by using compressed air to ensure that the surface of the cleaned silicon wall brick is smooth and clean;
(C) Spraying slurry on the surface of the cleaned silicon wall brick by a slurry spraying pump, and uniformly coating the slurry by a square shovel head 6 of a plastering and repairing shovel;
(D) A second hand-held rod 3 of the brick feeding shovel is held by one person, a preheated silicon wall brick is placed on a hexagon supporting plate 4 of the brick feeding shovel and is sent to a repairing area, one side edge of the hexagon supporting plate 4 is made to lean against the upper side wall of the cleaned silicon wall brick, the other hand holds the repairing shovel, and a square shovel head 6 is used for lightly knocking the silicon wall brick on the brick feeding shovel, so that the silicon wall brick on the brick feeding shovel falls on the cleaned silicon wall brick; the operation is carried out until the first layer of silicon wall brick is built;
(E) Filling slurry between two adjacent built silicon wall bricks by using a plastering and repairing shovel, pointing the first layer of built silicon wall bricks, and trowelling;
(F) Spraying slurry on the surface of the first layer of silicon wall bricks by a slurry spraying pump, uniformly coating the slurry by a plastering and repairing shovel, feeding the slurry into the silicon wall bricks by a brick feeding shovel by one person, enabling one side edge of a hexagon supporting plate 4 to lean against the upper side wall of the first layer of silicon wall bricks, holding the plastering and repairing shovel by the other person, lightly knocking the silicon wall bricks on the brick feeding shovel, enabling the silicon wall bricks on the brick feeding shovel to fall on the first layer of silicon wall bricks until the second layer of silicon wall bricks are built, filling the slurry between two adjacent silicon wall bricks by the plastering and repairing shovel, pointing the built second layer of silicon wall bricks, and trowelling; the operation is carried out until the last layer of silicon wall brick is built;
(G) And filling slurry between the last layer of silicon wall bricks and the original silicon wall bricks above the last layer of silicon wall bricks by using a plastering and repairing shovel, and trowelling gaps to complete the whole repairing work.
Under the general condition, four persons operate alternately, the operation can be completed in about one hour, a large amount of maintenance time is saved, meanwhile, the harm of high-temperature radiation baking when maintenance persons enter the carbonization chamber is avoided, various heat insulation materials are saved, production stopping is not needed, and economic benefit is improved.
Claims (3)
1. The method for repairing the furnace wall of the coke oven carbonization chamber in production is characterized by comprising the following steps of: the repairing method is used for repairing the karst cave part of the furnace wall in the range of 3.5 meters away from the furnace door of the coke oven carbonization chamber, and is completed by the following steps:
(A) Opening a furnace door of the coke oven carbonization chamber, and after coke pushing is completed; after one person is hidden in a furnace column at a furnace door, a first hand-held rod (1) of the hollow hammer is held, a hollow hammer head (2) of the hollow hammer is stretched into a carbonization chamber, the sharp inclined plane of a karst cave part of a furnace wall is broken, the hollow hammer works in the carbonization chamber for 1 minute, and the hollow hammer is taken out for cooling, so that the hollow hammer is prevented from being deformed by heating; the hollow hammer is composed of a first hand-held rod (1) and a hollow hammer head (2), wherein the hollow hammer head (2) is fixed at the front end part of the first hand-held rod (1), and a cavity is formed in the middle of the hollow hammer head (2); the length of the first hand-held rod (1) is 4.5-5 meters;
(B) Cleaning the karst cave part by using a square shovel head (6) of the smearing shovel, and cleaning by using compressed air to ensure that the surface of the cleaned silicon wall brick is smooth and clean; the plastering and supplementing shovel consists of a third hand-held rod (5) and a square shovel head (6), wherein the square shovel head (6) is fixed at the front end part of the third hand-held rod (5), and the square shovel head (6) is a rectangular flat plate; the length of the third hand-held rod (5) is 4.5-5 meters;
(C) Spraying slurry on the surface of the cleaned silicon wall brick by a slurry spraying pump, and uniformly coating the slurry by a square shovel head (6) of a plastering shovel;
(D) A second hand-held rod (3) of the brick feeding shovel is held by one hand, a preheated silicon wall brick is placed on a hexagon supporting plate (4) of the brick feeding shovel and is sent to a repairing area, one side edge of the hexagon supporting plate (4) is made to lean against the upper side wall of the cleaned silicon wall brick, the brick feeding shovel is held by the other hand, the silicon wall brick on the brick feeding shovel is lightly knocked by a square shovel head (6), and the silicon wall brick on the brick feeding shovel falls on the cleaned silicon wall brick; the operation is carried out until the first layer of silicon wall brick is built; the brick feeding shovel is composed of a second hand-held rod (3) and a hexagonal supporting plate (4), wherein the hexagonal supporting plate (4) is fixed at the front end part of the second hand-held rod (3), and the hexagonal supporting plate (4) is a hexagonal flat plate; the length of the second hand-held rod (3) is 4.5-5 meters;
(E) Filling slurry between two adjacent built silicon wall bricks by using a plastering and repairing shovel, pointing the first layer of built silicon wall bricks, and trowelling;
(F) Spraying slurry on the surface of the first layer of silicon wall bricks by a slurry spraying pump, uniformly coating the slurry by a plastering and repairing shovel, feeding the slurry into the silicon wall bricks by a brick feeding shovel by one person, enabling one side edge of a hexagonal supporting plate (4) to lean against the upper side wall of the first layer of silicon wall bricks, holding the plastering and repairing shovel by the other person, lightly knocking the silicon wall bricks on the brick feeding shovel, enabling the silicon wall bricks on the brick feeding shovel to fall on the first layer of silicon wall bricks until the second layer of silicon wall bricks are built, filling the slurry between two adjacent silicon wall bricks by the plastering and repairing shovel, pointing the built second layer of silicon wall bricks, and trowelling; the operation is carried out until the last layer of silicon wall brick is built;
(G) And filling slurry between the last layer of silicon wall bricks and the original silicon wall bricks above the last layer of silicon wall bricks by using a plastering and repairing shovel, and trowelling gaps to complete the whole repairing work.
2. The special combined tool for repairing the furnace wall of the coke oven carbonization chamber in production is characterized in that: the device comprises a hollow hammer, a brick feeding shovel and a plastering and supplementing shovel; the hollow hammer is composed of a first hand-held rod (1) and a hollow hammer head (2), wherein the hollow hammer head (2) is fixed at the front end part of the first hand-held rod (1), and a cavity is formed in the middle of the hollow hammer head (2); the brick feeding shovel is composed of a second hand-held rod (3) and a hexagonal supporting plate (4), wherein the hexagonal supporting plate (4) is fixed at the front end part of the second hand-held rod (3), and the hexagonal supporting plate (4) is a hexagonal flat plate; the plastering and supplementing shovel is composed of a third hand-held rod (5) and a square shovel head (6), wherein the square shovel head (6) is fixed at the front end part of the third hand-held rod (5), and the square shovel head (6) is a rectangular flat plate.
3. The special combination tool for repairing furnace walls of coke oven carbonization chambers in production according to claim 2, wherein the special combination tool comprises the following components: the lengths of the first hand-held rod (1), the second hand-held rod (3) and the third hand-held rod (5) are 4.5-5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326954.XA CN108277025B (en) | 2018-04-12 | 2018-04-12 | Furnace wall repairing method and special combined tool for coke oven carbonization chamber in production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326954.XA CN108277025B (en) | 2018-04-12 | 2018-04-12 | Furnace wall repairing method and special combined tool for coke oven carbonization chamber in production |
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| CN108277025A CN108277025A (en) | 2018-07-13 |
| CN108277025B true CN108277025B (en) | 2023-10-20 |
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| CN108949195B (en) * | 2018-09-04 | 2021-02-12 | 宣化钢铁集团有限责任公司 | Method for repairing melting hole in furnace wall in thermal state of coke oven |
| CN112010652A (en) * | 2020-08-26 | 2020-12-01 | 山东中阳碳素股份有限公司 | Maintenance method for stopping furnace of petroleum coke calcining furnace fire path |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805622A (en) * | 2010-04-15 | 2010-08-18 | 南京钢铁股份有限公司 | Hot patching process for bottom brick of carbonization chamber of coke oven |
| CN101974339A (en) * | 2010-11-03 | 2011-02-16 | 芜湖新兴铸管有限责任公司 | Repairing method of coking chamber of coke oven by using silica bricks |
| CN208104288U (en) * | 2018-04-12 | 2018-11-16 | 莱芜市泰山焦化有限公司 | The furnace wall that coke furnace carbonization chamber carries out in production repairs Special combined tools |
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2018
- 2018-04-12 CN CN201810326954.XA patent/CN108277025B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805622A (en) * | 2010-04-15 | 2010-08-18 | 南京钢铁股份有限公司 | Hot patching process for bottom brick of carbonization chamber of coke oven |
| CN101974339A (en) * | 2010-11-03 | 2011-02-16 | 芜湖新兴铸管有限责任公司 | Repairing method of coking chamber of coke oven by using silica bricks |
| CN208104288U (en) * | 2018-04-12 | 2018-11-16 | 莱芜市泰山焦化有限公司 | The furnace wall that coke furnace carbonization chamber carries out in production repairs Special combined tools |
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Address after: 271199 west head of Luzhong West Street, Laiwu City, Jinan City, Shandong Province Applicant after: Shandong Taishan Coking Co.,Ltd. Address before: 271199 West Head of Luzhi West Street, Laiwu City, Shandong Province Applicant before: LAIWU TAISHAN COKING & CHEMICAL CO.,LTD. |
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