CN114989837A - Method for disassembling and disassembling refractory material of dry quenching furnace - Google Patents
Method for disassembling and disassembling refractory material of dry quenching furnace Download PDFInfo
- Publication number
- CN114989837A CN114989837A CN202210590712.8A CN202210590712A CN114989837A CN 114989837 A CN114989837 A CN 114989837A CN 202210590712 A CN202210590712 A CN 202210590712A CN 114989837 A CN114989837 A CN 114989837A
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- China
- Prior art keywords
- furnace
- dry quenching
- refractory material
- disassembling
- hanging scaffold
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- Granted
Links
- 238000010791 quenching Methods 0.000 title claims abstract description 76
- 230000000171 quenching effect Effects 0.000 title claims abstract description 76
- 239000011819 refractory material Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000000571 coke Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011449 brick Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004575 stone Substances 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
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
-
- 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
- C10B39/00—Cooling or quenching coke
-
- 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
- C10B45/00—Other details
-
- 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
-
- 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 relates to a method for disassembling and disassembling a refractory material of a dry quenching furnace, which adopts the matching of a fixed hanging scaffold and a disassembling machine to disassemble and disassemble the refractory material; after the disassembling machine and the fixed hanging scaffold are integrally hoisted to a specified height by the hoisting device, the fixed hanging scaffold is fixedly connected with the furnace wall at the corresponding position, and then the disassembling operation of the refractory materials in the pre-storing section, the inclined flue area and the cooling section is sequentially carried out. According to the invention, the liftable fixed hanging scaffold fixed dismounting machine is arranged in the dry quenching furnace, so that the refractory material is dismounted from top to bottom in the dry quenching furnace in different areas, the safety and the mechanization degree of dismounting construction of the refractory material of the dry quenching furnace are improved, the labor intensity of dismounting the refractory material is reduced, the construction time is shortened, and the overall efficiency of overhaul of the dry quenching furnace is improved.
Description
Technical Field
The invention relates to the technical field of overhaul of a dry quenching device, in particular to a method for disassembling and disassembling a refractory material of a dry quenching furnace.
Background
The dry quenching technology is an energy-saving, environment-friendly and resource recycling project which is mainly popularized in the coking industry. The long service life of the dry quenching is a higher requirement of the stable operation of the large-scale blast furnace on a dry quenching system and an important mark for the stable performance of the dry quenching efficiency. Since 2001, the dry quenching technology in China is rapidly developed, and more than 250 sets of dry quenching devices are put into operation in China at present.
The dry quenching furnace masonry belongs to a shaft kiln type structure and is a cylindrical vertical masonry in a positive pressure state. The furnace body is respectively provided with a pre-storing section, a chute area and a cooling section from top to bottom. The outer surface of the whole dry quenching furnace is surrounded by an iron shell, the inner layer is built by different refractory bricks, and some parts are also made of refractory casting materials.
After the dry quenching furnace is put into operation for one year, the refractory materials at different parts in the dry quenching furnace are damaged, broken and even collapsed, and the production is stopped for overhauling at different degrees. At present, the dry quenching furnace device needs to be periodically overhauled every year, the fireproof materials peeled off from the surfaces of all parts are repaired, the middle repair is needed when the dry quenching furnace device operates for about 3 years, and all the fireproof materials need to be removed and replaced when the dry quenching furnace device operates for about 10 years, namely, the overhaul is carried out. In recent years, dry quenching furnaces built in early stages enter a refractory overhaul period, and the speed and quality of overhaul of the dry quenching furnaces directly influence the long service life and the service efficiency of a dry quenching device in later stages.
The general repair method of the dry quenching furnace at present comprises the following steps: after the dry quenching furnace is shut down and cooled, constructors enter the dry quenching furnace through a manhole below the furnace wall, build an operation support from bottom to top, and demolish the refractory materials layer by layer through manual and simple handheld devices, so that once the refractory material masonry structure in the dry quenching furnace is unstable and collapses, safety accidents are inevitably caused. Meanwhile, the material-resistant dismantling device has the characteristics of much dust in the operation environment, high operation strength and low dismantling speed.
The Chinese patent application with the publication number of CN107163956A discloses a construction method for quickly overhauling a lining of a dry quenching furnace, which utilizes the characteristic that a brick supporting plate is adopted between an inclined air channel and a cooling part to separate refractory materials of the lining of the dry quenching furnace and reserve an expansion joint, and simultaneously removes refractory bricks of a pre-storage part and the cooling part to accelerate the process; the bearing platform and the protection platform are erected, the cooling part refractory bricks and the inclined air duct refractory bricks are built simultaneously, and the cast stone plate dismantling and building of the lower cone hopper and the annular air duct refractory bricks are carried out simultaneously. Chinese patent No. CN106276030B discloses a "transportation method for demolishing waste materials during overhaul of dry quenching furnace", which can form a through blanking channel from the demolishing point to the ground from top to bottom, and directly pour the waste materials into a waste material stacking platform or the ground after the waste materials enter a blanking chute, thereby realizing the purpose of transporting the waste materials to the waste material stacking platform or the ground from the demolishing point in one step. The Chinese patent with publication number CN105542800B discloses a construction method for overhauling lining of a dry quenching furnace, which comprises five steps of dismantling waste lining masonry above a chute area from top to bottom, simultaneously building a prestoring section and transporting the waste lining masonry outside, simultaneously building an upper cone section and dismantling a scaffold of a cooling section, simultaneously building the chute area and dismantling the cooling section, and simultaneously building an inner ring section and building the cooling section. The Chinese patent with the publication number of CN1101446C discloses a maintenance method and equipment for a cooling section of a dry quenching tank, wherein the maintenance method is to integrally cast refractory materials on the inner wall of the cooling section with a worn and peeled refractory lining, and the thickness of a cast layer is 50-250 mm. The construction adopts integral slip form casting, and the casting material is high-alumina casting material containing steel fiber. The injection mold for integral casting adopts a detachable integral lifting slip mold.
In summary, the existing overhaul method of the dry quenching furnace focuses on the in-furnace masonry method, quality and speed after the dry quenching furnace is dismantled, but no effective method is provided for the dismantling operation in the early stage before the dry quenching furnace is stopped and overhauled.
Disclosure of Invention
The invention provides a method for dismounting and raking refractory materials of a dry quenching furnace, which is characterized in that a liftable fixed hanging scaffold fixed dismounting and raking machine is arranged in the dry quenching furnace, so that the refractory materials are dismounted and raked from top to bottom in different areas in the dry quenching furnace, the safety and mechanization degree of dismounting and raking construction of the refractory materials of the dry quenching furnace are improved, the labor intensity of dismounting and raking the refractory materials is reduced, the construction time is shortened, and the overall efficiency of overhaul of the dry quenching furnace is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for disassembling refractory materials of a coke dry quenching furnace comprises the following steps:
(1) after the coke cooled in the dry quenching furnace is discharged to the lower edge of the access hole, closing the lower flat gate, and opening the access hole at the lower part of the cooling section for the access of constructors;
(2) removing a furnace cover, a water seal cover and a dust removal pipeline on the top of the dry quenching furnace; a temporary platform is erected at the mouth of the dry quenching furnace, a reinforcing beam is additionally arranged, and a winding device is installed;
(3) an operation window is arranged on the cooling section furnace wall on the side opposite to the access hole, and the area of the operation window is larger than that of the access hole;
(4) a constructor enters the furnace to build an operation platform, and the top surface of the operation platform is flush with the lower edge of the cooling section;
(5) adopting a fixed hanging scaffold and a dismounting machine to cooperate to dismount the refractory material;
(6) fixing the ripping machine to the fixed platform;
(7) integrally hoisting the dismounting machine and the fixed hanging scaffold to the bottom of the pre-storage section through a hoisting device, fixedly connecting the fixed hanging scaffold with the furnace wall at the corresponding position, and then performing dismounting operation on the refractory material of the pre-storage section;
(8) after the pre-stored section refractory material is disassembled, raked and cleared, the fixed hanging scaffold is disconnected with the furnace wall, the fixed hanging scaffold and the raking and disassembling machine are integrally moved downwards to the bottom of the chute area through a hoisting device, and the refractory material in the chute area is disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall;
(9) after the refractory materials in the chute area are disassembled, raked and cleared, the connection between the fixed hanging scaffold and the furnace wall is released, the fixed hanging scaffold and the disassembling machine are integrally moved downwards to the bottom of the cooling section through the hoisting device, and the refractory materials in the cooling section are disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall.
In the step (4), the operation platform is composed of steel plates laid in full.
And (5) the fixed hanging scaffold is of a steel frame structure with the top fully paved with steel plates, the steel plates and the steel frames are respectively hoisted into the furnace through a crane, and the fixed hanging scaffold is assembled in the furnace.
And (6) hoisting the disassembling and disassembling machine to the side of the dry quenching furnace by using a crane, moving the disassembling and disassembling machine into the furnace through the operation window, and fixing the disassembling and disassembling machine on a fixed hanging scaffold.
And the dismantled refractory waste is conveyed out of the furnace through a material conveying belt arranged on the operation platform and an operation window.
After the refractory materials of the dry quenching furnace are completely dismantled, the fixed hanging scaffold, the dismantling machine, the operation platform, the reinforcing beam and other temporary facilities are dismantled and cleaned through the cooperation of the hoisting device and the crane.
Compared with the prior art, the invention has the beneficial effects that:
1) the operation strength of detaching and raking the refractory material of the dry quenching furnace is effectively reduced, the detaching and raking efficiency of the refractory material is improved, and the safety of detaching and raking operation of the refractory material is improved;
2) after the method is implemented, the dismounting and dismounting operation time of the refractory material in the overhaul process of the dry quenching furnace is shortened from original 360 hours to 144 hours, the dismounting and dismounting efficiency is improved by 60 percent, the overhaul time of the dry quenching furnace is greatly shortened, and the quick recovery of the production capacity of the dry quenching furnace is facilitated.
Detailed Description
The invention relates to a method for disassembling and disassembling a refractory material of a dry quenching furnace, which comprises the following steps:
(1) discharging the coke cooled in the dry quenching furnace to the lower edge of the access hole, closing the lower flat gate, and opening the access hole at the lower part of the cooling section for the access of constructors;
(2) removing a furnace cover, a water seal cover and a dust removal pipeline on the top of the dry quenching furnace; a temporary platform is erected at a furnace mouth of the dry quenching furnace, a reinforcing beam is additionally arranged, and a winding device is installed;
(3) an operation window is arranged on the cooling section furnace wall on the side opposite to the access hole, and the area of the operation window is larger than that of the access hole;
(4) a constructor enters the furnace to build an operation platform, and the top surface of the operation platform is flush with the lower edge of the cooling section;
(5) adopting a fixed hanging scaffold and a dismounting machine to cooperate to dismount the refractory material;
(6) fixing the ripping machine to the fixed platform;
(7) integrally hoisting the dismounting machine and the fixed hanging scaffold to the bottom of the pre-storage section through a hoisting device, fixedly connecting the fixed hanging scaffold with the furnace wall at the corresponding position, and then performing dismounting operation on the refractory material of the pre-storage section;
(8) after the pre-stored section refractory material is disassembled, raked and cleared, the fixed hanging scaffold is disconnected with the furnace wall, the fixed hanging scaffold and the raking and disassembling machine are integrally moved downwards to the bottom of the chute area through a hoisting device, and the refractory material in the chute area is disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall;
(9) after the refractory materials in the chute area are disassembled, raked and cleared, the connection between the fixed hanging scaffold and the furnace wall is released, the fixed hanging scaffold and the disassembling machine are integrally moved downwards to the bottom of the cooling section through the hoisting device, and the refractory materials in the cooling section are disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall.
In the step (4), the operation platform is composed of steel plates laid in full.
And (5) the fixed hanging scaffold is of a steel frame structure with the top fully paved with steel plates, the steel plates and the steel frames are respectively hoisted into the furnace through a crane, and the fixed hanging scaffold is assembled in the furnace.
And (6) hoisting the disassembling and disassembling machine to the side of the dry quenching furnace by using a crane, moving the disassembling and disassembling machine into the furnace through the operation window, and fixing the disassembling and disassembling machine on a fixed hanging scaffold.
And the dismantled refractory waste is conveyed out of the furnace through a material conveying belt arranged on the operation platform and an operation window.
After the refractory materials of the dry quenching furnace are completely dismantled, the fixed hanging scaffold, the dismantling machine, the operation platform, the reinforcing beam and other temporary facilities are dismantled and cleaned through the cooperation of the hoisting device and the crane.
The technical solution of the present invention is implemented on the premise that the detailed implementation and the specific operation process are given, but the scope of the present invention is not limited to the following examples.
[ example 1 ] A method for producing a polycarbonate
In this embodiment, taking 140t/h overhaul of the dry quenching furnace as an example, the dismantling machine adopts an excavator, and the dismantling process of the refractory material is as follows:
(1) discharging the coke cooled in the dry quenching furnace to the lower edge of the access hole, and closing a lower flat gate to form an operation basic plane; opening 2 access holes at the lower part of the cooling section for workers to enter and exit;
(2) removing a furnace cover, a water seal cover and a dust removal pipeline on the top of the dry quenching furnace; a temporary platform is erected at a dry quenching furnace mouth, 2 reinforcing beams are additionally arranged, and a winding device is installed;
(3) an operation window is arranged on the cooling section furnace wall on the side opposite to the access hole, and the area of the operation window is larger than that of the access hole;
(4) opening an access hole at 2 positions at the lower part of the cooling section, and enabling a constructor to enter a furnace to build an operation platform (+10.534 m, paving a full steel plate, wherein the thickness of the steel plate is 20 mm);
(5) adopting a fixed hanging scaffold and a dismounting machine to cooperate to dismount the refractory material; the fixed hanging scaffold is a steel frame structure with a steel plate fully paved at the top, the steel plate and the steel frame are respectively hoisted into the furnace through a 260t crane, and the assembly of the fixed hanging scaffold is completed in the furnace;
(6) the excavator is lifted to the side of the dry quenching furnace through a 260t crane, moved into the furnace through an operation window and fixed on a fixed hanging scaffold;
(7) hoisting the excavator and the fixed hanging scaffold integrally to a pre-storage section (from 27.079 m to 24.175 m), fixedly connecting the fixed hanging scaffold with the corresponding furnace wall, and then performing dismantling operation of the pre-storage section refractory material;
(8) after the pre-storage section refractory material is disassembled, raked and conveyed, the fixed hanging scaffold is disconnected with the furnace wall, the fixed hanging scaffold and the excavator are integrally moved down to a chute area (from 24.175 m to 15.260 m) through a hoisting device, and the refractory material in the chute area is disassembled and raked after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall;
(9) after the dismantling and cleaning of the refractory materials in the chute area are finished, the connection between the fixed hanging scaffold and the furnace wall is released, the fixed hanging scaffold and the excavator are integrally moved down to the cooling section (from 15.260 m to 10.534 m) through a hoisting device, and the refractory materials in the cooling section are dismantled and dismantled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall;
(10) the dismantled refractory waste is conveyed out of the furnace through a material conveying belt arranged on the operation platform and an operation window;
(11) after the dry quenching furnace refractory materials are completely dismantled, the fixed hanging scaffold, the dismantling machine, the operation platform, the reinforcing beam and other temporary facilities are dismantled and cleaned through the cooperation of the hoisting device and a 260t crane.
And in the process of dismounting and raking the refractory materials of the dry quenching furnace, the ground forklift is continuously matched for operation.
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. A method for disassembling and disassembling a refractory material of a dry quenching furnace is characterized by comprising the following steps:
(1) discharging the coke cooled in the dry quenching furnace to the lower edge of the access hole, closing the lower flat gate, and opening the access hole at the lower part of the cooling section for the access of constructors;
(2) removing a furnace cover, a water seal cover and a dust removal pipeline on the top of the dry quenching furnace; a temporary platform is erected at a furnace mouth of the dry quenching furnace, a reinforcing beam is additionally arranged, and a winding device is installed;
(3) an operation window is arranged on the cooling section furnace wall on the side opposite to the access hole, and the area of the operation window is larger than that of the access hole;
(4) a constructor enters the furnace to build an operation platform, and the top surface of the operation platform is flush with the lower edge of the cooling section;
(5) adopting a fixed hanging scaffold and a dismounting machine to cooperate to dismount the refractory material;
(6) securing the pickups to the fixed platform;
(7) integrally hoisting the dismounting machine and the fixed hanging scaffold to the bottom of the pre-storage section through a hoisting device, fixedly connecting the fixed hanging scaffold with the furnace wall at the corresponding position, and then performing dismounting operation on the refractory material of the pre-storage section;
(8) after the pre-stored section refractory material is disassembled, raked and cleared, the fixed hanging scaffold is disconnected with the furnace wall, the fixed hanging scaffold and the raking and disassembling machine are integrally moved downwards to the bottom of the chute area through a hoisting device, and the refractory material in the chute area is disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the corresponding furnace wall;
(9) after the refractory material in the chute area is disassembled and cleared, the connection between the fixed hanging scaffold and the furnace wall is released, the fixed hanging scaffold and the disassembling machine are integrally moved downwards to the bottom of the cooling section through the hoisting device, and the refractory material in the cooling section is disassembled and disassembled after the fixed hanging scaffold is fixedly connected with the furnace wall at the corresponding position.
2. The method for disassembling and raking the refractory material of the dry quenching furnace as claimed in claim 1, wherein in the step (4), the operation platform is composed of steel plates laid in a full space.
3. The method for dismounting and raking refractory material of the dry quenching furnace as claimed in claim 1, wherein in the step (5), the fixed hanging scaffold is a steel frame structure with a steel plate fully paved on the top, the steel plate and the steel frame are respectively hoisted into the furnace through a crane, and the assembly of the fixed hanging scaffold is completed in the furnace.
4. The method for disassembling the refractory material of the dry quenching furnace as claimed in claim 1, wherein in the step (6), the disassembling machine is hoisted to the side of the dry quenching furnace by a crane, moved into the furnace through the operation window and fixed on a fixed hanging scaffold.
5. The method for dismounting and raking the refractory material of the dry quenching furnace as claimed in claim 1, wherein the dismounted refractory material waste is cleared out of the furnace through a material conveying belt arranged on the operation platform through an operation window.
6. The method for disassembling and disassembling the refractory material of the dry quenching furnace as claimed in claim 1, wherein after the refractory material of the dry quenching furnace is completely disassembled and disassembled, the fixed hanging scaffold, the disassembling machine, the operation platform, the reinforcing beam and other temporary facilities are disassembled and cleaned through the cooperation of a hoisting device and a crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590712.8A CN114989837B (en) | 2022-05-27 | 2022-05-27 | Method for disassembling and taking off dry quenching furnace refractory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590712.8A CN114989837B (en) | 2022-05-27 | 2022-05-27 | Method for disassembling and taking off dry quenching furnace refractory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114989837A true CN114989837A (en) | 2022-09-02 |
| CN114989837B CN114989837B (en) | 2024-01-09 |
Family
ID=83028334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210590712.8A Active CN114989837B (en) | 2022-05-27 | 2022-05-27 | Method for disassembling and taking off dry quenching furnace refractory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114989837B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1495056A (en) * | 1974-11-26 | 1977-12-14 | Hartung Kuhn & Co Maschf | Closed container wagon suitable for transporting hot coke |
| CN102492439A (en) * | 2011-11-25 | 2012-06-13 | 攀钢集团工程技术有限公司 | Method for replacement of bracket brick in chute zone of coke dry quenching furnace |
| CN105542800A (en) * | 2015-12-15 | 2016-05-04 | 攀钢集团工程技术有限公司 | Construction method for heavy maintenance of coke dry quenching furnace liner |
| CN112049462A (en) * | 2020-08-07 | 2020-12-08 | 新兴铸管股份有限公司 | Mechanical dismantling process for high-altitude building |
-
2022
- 2022-05-27 CN CN202210590712.8A patent/CN114989837B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1495056A (en) * | 1974-11-26 | 1977-12-14 | Hartung Kuhn & Co Maschf | Closed container wagon suitable for transporting hot coke |
| CN102492439A (en) * | 2011-11-25 | 2012-06-13 | 攀钢集团工程技术有限公司 | Method for replacement of bracket brick in chute zone of coke dry quenching furnace |
| CN105542800A (en) * | 2015-12-15 | 2016-05-04 | 攀钢集团工程技术有限公司 | Construction method for heavy maintenance of coke dry quenching furnace liner |
| CN112049462A (en) * | 2020-08-07 | 2020-12-08 | 新兴铸管股份有限公司 | Mechanical dismantling process for high-altitude building |
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| Publication number | Publication date |
|---|---|
| CN114989837B (en) | 2024-01-09 |
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