CN109135773B - Coke oven local hot repair modular heat insulation cover - Google Patents
Coke oven local hot repair modular heat insulation cover Download PDFInfo
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- CN109135773B CN109135773B CN201810971533.2A CN201810971533A CN109135773B CN 109135773 B CN109135773 B CN 109135773B CN 201810971533 A CN201810971533 A CN 201810971533A CN 109135773 B CN109135773 B CN 109135773B
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- 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
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- 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
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a modular heat insulation cover for local hot repair of a coke oven, which comprises an in-oven heat insulation module and an air cooling module: the heat insulation module comprises heat insulation plates directly contacted with the wall bodies on the two sides, supporters for supporting the heat insulation plates on the two sides and flow guide top plates arranged at the upper parts of the heat insulation plates on the two sides, and the heat insulation plates and the flow guide top plates form a cover body together; the heat insulation plate comprises a frame with a plurality of standard lattices, and a single heat insulation block is detachably arranged in each lattice so as to be freely removed in an area to be repaired; the support is a structure with the length capable of stretching; the air cooling module comprises an air inlet cylinder and a flow guide pipe, wherein the air inlet cylinder is arranged at the inlet of the carbonization chamber and is used for quickly injecting normal-temperature air into the cover body; the honeycomb duct is in butt joint with the upper end of the guide top plate. The invention can be freely dismantled in the area to be repaired, thereby avoiding the problems of material loss increase and air pollution caused by cutting the heat-insulating material and rapid temperature rise of the internal air; and the air cooling module is arranged to cool the environment in the heat insulation space.
Description
Technical Field
The invention relates to the technical field of furnace construction, in particular to a modular heat insulation cover for local hot repair of a coke oven.
Background
In the production process of the coke oven, coal is put into a carbonization chamber to be heated to 1000-1200 ℃ under the condition of air isolation, and finally coke is prepared through the stages of drying, pyrolysis, melting, bonding, curing, shrinking and the like. The bricks in the coking chamber are extruded during the dry distillation of coal and repeatedly stripped from the coke during the conversion of coal into coke. After long-time operation, the wall of the carbonization chamber is easy to wear, crack and even damage, and needs to be subjected to heat insulation repair in time. The existing heat insulation mode basically adopts a steel structure frame and refractory heat insulation materials such as ceramic fiber felt to be combined to form a heat insulation protection space, constructors repair damaged walls in the space, and cut openings on heat insulation covers according to the places needing heat repair. Because part of the area to be repaired is shielded by the heat insulation device, the heat insulation material needs to be cut locally, so that the heat insulation material is consumed greatly and cannot be recycled; the cut thermal insulation material fiber is diffused in a small thermal insulation space, so that air pollution in a limited space is caused; in addition, the loss of the heat insulation part after cutting can cause the rapid temperature rise of the internal air, so that the internal air is not suitable for people to work, the alternative work of constructors is frequent, and the hot repair efficiency is low.
Accordingly, there is a need for a thermal insulation protection device with an air replacement system that can be quickly disassembled or integrated in a repair area to avoid the problems of increased material loss and air pollution caused by cutting the thermal insulation material and a quick temperature rise of the internal air.
Disclosure of Invention
The invention aims to solve the technical problems that material loss and air pollution are increased due to cutting of local heat insulation materials and the temperature of air in a heat insulation space is rapidly increased in the prior art, and provides a modular heat insulation cover for local hot repair of a coke oven, which can be freely detached in a to-be-repaired area and avoids the problems of material loss and air pollution increase and rapid temperature increase of the air in the coke oven due to cutting of the heat insulation materials; and the air cooling module is arranged to cool the environment in the heat insulation space.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a coke oven local hot repair modular heat insulation cover comprises an oven internal heat insulation module and an air cooling module:
the heat insulation module comprises heat insulation plates directly contacted with wall bodies on two sides, supporters for supporting the heat insulation plates on the two sides and flow guide top plates arranged at the upper parts of the heat insulation plates on the two sides, and the heat insulation plates and the flow guide top plates form a cover body together; the heat insulation plate comprises a frame with a plurality of standard lattices, wherein a single heat insulation block is detachably arranged in each lattice so as to be freely detached in an area to be repaired; the support is a structure with the length capable of stretching;
the air cooling module comprises an air inlet cylinder and a flow guide pipe, wherein the air inlet cylinder is arranged at the inlet of the carbonization chamber and is used for quickly injecting normal-temperature air into the cover body; the honeycomb duct is in butt joint with the upper end of the guide top plate.
In the scheme, the heat insulation block sequentially comprises a steel plate mesh, a ceramic fiber felt and a high-temperature resistant calcium silicon plate from the contact surface of the wall body to the heat insulation space, the ceramic fiber felt is fixed on the steel plate mesh, and the high-temperature resistant calcium silicon plate isolates the coarse fibers of the ceramic fiber felt from the heat insulation space.
In the scheme, the support mounting seat is installed on the rectangular frame of the heat insulation plate, the two ends of the support are respectively connected with the support mounting seat in a matched mode, and the heat insulation plate is firmly supported on the wall bodies on the two sides.
In the scheme, the support comprises a sleeve, screw rods are arranged on two sides of the sleeve through screw threads, one side of each screw rod on the two sides of the sleeve is a positive screw, the other side of each screw rod on the two sides of the sleeve is a negative screw, and when the sleeve rotates, the screw rods on the two sides can be shortened or extended simultaneously; and a fixing clamp is arranged at the end part of the screw rod so as to be connected with the support mounting seat.
In the scheme, the modular heat insulation cover for local hot repair of the coke oven further comprises a compressed air pipeline arranged on the heat insulation plate on one side of the cover body, the main body of the compressed air pipeline is a metal pipe, two ends of the metal pipe are sequentially provided with an elbow, an air pipe connector and a metal hose, and adjacent cover bodies are connected through the metal hose; the middle part of the metal pipe is also provided with a trachea three-way connector for installing a pneumatic dismantling tool and an air cooling suit for cooling construction personnel.
In the above scheme, the air inlet cylinder comprises a fan and a horn cylinder connected with the fan, and the air inlet cylinder is positioned at the inlet of the carbonization chamber.
In the scheme, the flow guide pipe is a heat insulation pipeline vertically inserted into the coal charging hole at the top of the furnace, and the outlet of the flow guide pipe is provided with the air exhaust equipment.
In the technical scheme, the coke oven local hot repair modular heat insulation cover further comprises a guide pipe lift truck, the guide pipe lift truck comprises a frame and a lifting frame, a vertical slide rod is mounted on the frame, the lifting frame is mounted on the slide rod, a top pulley is mounted at the top of the frame, a manual winch is mounted in the middle of the frame, a steel wire rope on the manual winch penetrates through the top pulley and then is connected with the lifting frame, and the lifting frame lifts or falls down by taking the slide rod as an operation path.
In the scheme, wheels are installed on one side of the bottom of the frame, a support is installed on the other side of the bottom of the frame, the support is perpendicular to the frame to form an L shape, and the support and a frame of the rectangular frame are fixed through inclined struts; the support is installed to the support bottom, will the support soaks, avoids the support is direct with high temperature brickwork direct contact.
In the above scheme, the lifting frame is an L-shaped structure, and comprises a vertical frame and a horizontal frame which are perpendicular to each other; the vertical frame is provided with a sliding sleeve which is sleeved on the sliding rod, the top of the vertical frame is provided with a lifting lug, and the lifting lug is connected with a steel wire rope of the manual winch; the horizontal frame is rotatably connected with the upper part of the flow guide pipe through a rotating shaft.
The invention has the beneficial effects that:
1. the heat insulation space is formed by the heat insulation plate, the support and the flow guide top plate, the heat insulation plate comprises a rectangular frame provided with a plurality of standard lattices, and a single heat insulation block is arranged in each lattice so as to be freely detached in an area to be repaired, so that the problems of material loss increase, air pollution increase and rapid temperature rise of internal air caused by cutting of the heat insulation material are solved. The honeycomb duct is installed at the top of the heat insulation space, a compressed air pipeline for a pneumatic tool is detached in one side installation, a heat insulation unit is formed, an air cooling module comprising an air inlet cylinder and a honeycomb duct is combined, normal-temperature air is injected into the cover body quickly, the air is discharged out of the furnace through the honeycomb duct by a guide top plate interface after the cover body is internally circulated, the air inlet cylinder and the honeycomb duct are both connected into a fan, so that the speed of cooling the environment in the heat insulation space is accelerated, and the temperature is even close to the normal temperature.
2. The heat insulation block sequentially comprises a steel plate net, a ceramic fiber felt and a high-temperature-resistant calcium silicate board from the contact surface of the wall body to the heat insulation space, the ceramic fiber felt is fixed on the steel plate net, the high-temperature-resistant calcium silicate board is high in density, coarse fibers of the ceramic fiber felt are isolated from the heat insulation space, and compared with a traditional structure that a layer of fiber felt is sandwiched between two layers of steel plate nets, the heat insulation block isolates the coarse fibers of the ceramic fiber felt from the heat insulation space through the high-temperature-resistant calcium silicate board on the inner side, and the phenomenon that the fibers of the fiber felt float in the heat insulation space to cause respiratory diseases is avoided.
3. The honeycomb duct lift truck and the honeycomb duct are connected together through the rotation of the rotating shaft, and the lifting frame drives the honeycomb duct to lift or fall by taking the sliding rail as a running path through operating the manual winch, so that the honeycomb duct can be quickly inserted into the coal charging hole, the honeycomb duct is prevented from being directly inserted, and the constructors are prevented from being roasted by high temperature in the coal charging hole.
4. The air cooling clothes are made of hoses and are communicated with a compressed air pipeline, so that cold air from the outside can flow circularly to cool a human body.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic overall structural view of a partial hot repair modular heat shield for a coke oven according to the present invention;
FIG. 2 is a schematic view of the insulation panels of the partial hot repair modular insulation shield of the coke oven of FIG. 1;
FIG. 3a is a schematic view of a fixing pin for detachably connecting an insulation panel frame with an insulation block;
FIG. 3b is a schematic view of a guillotine-type retention latch for removably connecting the insulating panel frame to the insulating block;
FIG. 3c is a schematic view of a simple latch for detachably connecting the insulating panel frame to the insulating blocks;
FIG. 4 is a schematic view of a support for the partial hot repair modular insulation shield of the coke oven of FIG. 1;
FIG. 5 is a schematic view of compressed air piping of the coke oven partial hot repair modular insulation shield of FIG. 1;
FIG. 6 is a schematic view of an air inlet drum of the partial hot repair modular heat shield of the coke oven of FIG. 1;
FIG. 7 is a schematic view of a draft tube lift truck drop draft tube of the partial hot repair modular insulation shield of the coke oven of FIG. 1;
FIG. 8 is a schematic view of a draft tube lift truck ascent draft tube of the partial hot repair modular insulation shield of the coke oven of FIG. 1;
FIG. 9 is a schematic view of a pneumatic removal tool for the partial hot repair of the modular insulation cover of the coke oven of FIG. 1;
FIG. 10 is a schematic view of an air-cooled jacket of the coke oven partial hot-repair modular insulation shield of FIG. 1;
in the figure: 100. the coke oven is locally thermally repaired by a modular heat insulation cover; 10. a heat insulating plate; 11. a frame; 12. a sash; 13. a heat insulating block; 14. a support mounting seat; 15. a roller; 16. a fixing pin; 161. a bolt seat; 162. a bolt sliding seat; 163. a first latch; 164. a handle; 165. a return spring; 17. a guillotine-type securing latch; 171. a fixing bolt; 172. a fixed seat; 173. a pin shaft; 18. a simple bolt; 181. a first sleeve; 182. a second sleeve; 183. a second bolt; 20. a support; 21. a sleeve; 211. a hole; 22. a screw rod; 23. fixing the card; 30. a flow guide top plate; 40. a compressed air conduit; 41. a metal tube; 42. bending the pipe; 43. a gas pipe connector; 44. a metal hose; 45. a three-way connector; 50. an air inlet cylinder; 51. a fan; 52. a horn; 60. a flow guide pipe; 70. a draft tube lift truck; 71. a frame; 711. a wheel; 712. a support; 713. bracing; 714. a support; 72. a hoisting frame; 721. a vertical frame; 722. a horizontal frame; 723. a sliding sleeve; 724. lifting lugs; 725. a rotating shaft; 73. a slide bar; 731. a slide bar seat; 74. a top pulley; 75. a winch; 751. a wire rope; 76. a support rod; 81. a pneumatic demolition tool; 82. air-cooling clothes; 821. a hose; 822. a gas pipe joint; 823. air holes are formed; 90. a track.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a coke oven local hot repair modular heat insulation cover 100 according to a preferred embodiment of the present invention comprises an oven internal heat insulation module and an air cooling module:
the heat insulation module comprises a heat insulation plate 10 directly contacting with two side walls, a supporter 20 for supporting the two side heat insulation plate 10, and a guide top plate 30 installed on the upper portion of the two side heat insulation plate 10, wherein the heat insulation plate 10 and the guide top plate 30 together form a cover body. The insulation panel 10 comprises a rectangular frame 11 having a plurality of standard cells 12, with individual insulation blocks 13 removably mounted within the standard cells 12 for free removal in the area to be repaired. The supporter 20 is installed between the both-side insulation panels 10, and the supporter 20 has a length-adjustable structure for supporting the both-side insulation panels 10. The rectangular frame 11 of the insulation panel 10 is mounted at the bottom thereof with rollers 15 so that the single or multiple covers move integrally.
The air cooling module comprises an air inlet cylinder 50 and a guide pipe 60, wherein the air inlet cylinder 50 is arranged at the inlet of the carbonization chamber and is used for quickly injecting normal-temperature air into the cover body; the draft tube 60 is butted against the upper end of the draft roof 30.
Specifically, the connection manner of the single heat insulation block 13 and the rectangular frame 11 may be (but is not limited to) the following manners:
(1) as shown in fig. 3a, the single insulation block 13 is connected to the rectangular frame 11 by fixing pins 16. The fixing pin 16 includes a pin sliding seat 162 and a pin seat 161, the pin sliding seat 162 is fixed on the rectangular frame 11, the pin seat 161 is fixed on the heat insulation block 13, the pin sliding seat 162 is a rectangular bottom plate, two sides of the bottom plate are provided with pipe bodies, a first pin 163 is arranged in each pipe body, the first pin 163 slides in each pipe body, and the pin seat 161 and the pin sliding seat 162 are similar in structure and different in that only one pipe body is provided. The handle 164 is arranged in the middle of the first bolt 163, the return spring 165 is arranged between the handle 164 and the pipe body on one side of the bottom plate of the bolt sliding seat 162, when the bolt is opened, the return spring 165 is in a compressed state, and the first bolt 163 penetrates through the bolt sliding seat 162 to enter the bolt sliding seat 162, so that the heat insulation block 13 and the rectangular frame 11 can be fixedly connected.
(2) As shown in fig. 3b, the single insulating block 13 is connected to the rectangular frame 11 by means of a guillotine-type securing latch 17. The knife type fixing bolt 17 comprises two fixing seats 172 which are respectively installed on the rectangular frame 11 and the heat insulation block 13, notches are formed in the upper portions of the two fixing seats 172, one of the fixing seats 172 is rotatably connected with the fixing bolt 171 through a pin shaft 173, and when the two fixing seats 172 are aligned, the fixing bolt 171 is rotatably clamped in the notches, so that the heat insulation block 13 can be fixedly connected with the rectangular frame 11.
(3) As shown in fig. 3c, the single insulating block 13 is connected to the rectangular frame 11 by a simple latch 18. The simple latch 18 includes two first sleeves 181 and two second sleeves 182 respectively mounted on the rectangular frame 11 and the thermal insulation block 13, and the second latch 183 is inserted when the two sleeves are aligned, so as to connect and fix the thermal insulation block 13 to the rectangular frame 11.
Further preferably, in this embodiment, the heat insulation block 13 sequentially includes a steel plate mesh, a ceramic fiber mat, and a high temperature resistant calcium silicate board from the wall contact surface to the heat insulation space, the ceramic fiber mat is a fire resistant heat insulation material, the ceramic fiber mat is fixed on the steel plate mesh, the density of the high temperature resistant calcium silicate board is high, and the coarse fibers of the ceramic fiber mat are isolated from the heat insulation space. Compared with the traditional structure that a layer of fiber felt is sandwiched between two layers of steel plate nets, the heat insulation block 13 isolates coarse fibers of the ceramic fiber felt from a heat insulation space through the high-temperature-resistant calcium silicate board on the inner side, and respiratory diseases caused by floating of the fibers of the fiber felt in the heat insulation space are avoided.
In a further optimization, in this embodiment, as shown in fig. 2, the supporter installation seats 14 are installed on the frame of the rectangular frame 11 of the heat insulation plate 10, and both ends of the supporter 20 are respectively connected with the supporter installation seats 14 in a matching manner, so as to firmly support the heat insulation plate 10 on the wall bodies on both sides.
Further preferably, in this embodiment, as shown in fig. 4, the support 20 includes a sleeve 21, two sides of the sleeve 21 are screwed with screws 22, the screws 22 on two sides of the sleeve 21 are positive and negative, and when the sleeve 21 rotates, the screws 22 on two sides can be shortened or lengthened simultaneously. The sleeve 21 has a plurality of holes 211 at the center thereof for inserting the drill rod to rotate. The end of the lead screw 22 is mounted with a fixing clip 23 for connection with the supporter mount 14. Specifically, the fixing clip 23 is an inverted U-shaped structure, and the supporter mounting seat 14 is a clip groove structure matched with the fixing clip.
Further preferably, in this embodiment, the top guide plate 30 has a cylindrical upper end and a rectangular lower end, the lower end of the top guide plate covers the heat insulation plates 10 on both sides, and the upper end has a connector to be connected with the guide pipe 60 connected from above the coal charging hole on the top of the furnace.
Further preferably, in this embodiment, as shown in fig. 5, the coke oven local hot repair modular heat insulation cover 100 further comprises a compressed air pipeline 40 installed on the heat insulation plate 10 on one side of the cover body for installing a pneumatic dismantling tool 81 and an air cooling suit 82, wherein the compressed air pipeline 40 is connected with a compressed air source at the entrance of the carbonization chamber and provides power for the pneumatic dismantling tool 81 and air cooling for the human body. The main body of the compressed air pipeline 40 is a metal pipe 41, two ends of the metal pipe 41 are sequentially provided with an elbow 42, an air pipe connector 43 and a metal hose 44, and adjacent cover bodies are connected through the metal hose 44; the middle part of the metal pipe 41 is also provided with a trachea three-way connector 45 for installing a pneumatic dismantling tool 81 and an air cooling garment 82 for cooling workers.
Specifically, as shown in fig. 10, the air-cooling garment 82 is a garment made of a spiral hose 821 for circulating cold air, and an air pipe connector 822 is disposed at one end of the hose 821 and is used for connecting with the compressed air pipeline 40 to directly cool the human body. The hose 821 can be a sealing structure, and cold air flows through the sealing hose to cool the body; the hose 821 can also be provided with a ventilation hole 823, so that the body can be cooled directly through the ventilation hole 823.
Further preferably, in this embodiment, as shown in fig. 6, the air inlet drum 50 includes a fan 51 and a horn-shaped drum 52 connected to the fan 51, the air inlet drum 50 is located at the entrance of the carbonization chamber, and the normal temperature air is rapidly injected into the cover body, and is discharged outside the furnace through the interface of the diversion top plate 30 through the diversion pipe 60 after circulating in the cover body.
Further preferably, in the present embodiment, in order to accelerate the discharge speed of the hot air, an exhaust device may be installed at the outlet of the draft tube 60.
Further preferably, in this embodiment, the flow guide pipe 60 is a heat insulation pipe vertically inserted into a coal charging hole at the top of the furnace, and in the inserting process, the high temperature at the coal charging hole is not suitable for direct approach of a constructor, and in this embodiment, the inserting is assisted by the flow guide pipe lift truck 70. As shown in fig. 7-8, the draft tube lift truck 70 includes a rectangular frame 71 and a lifting frame 72, a slide bar seat 731 is installed at both upper and lower ends of the frame 71 for installing a vertical slide bar 73, the lifting frame 72 is installed on the slide bar 73, a top pulley 74 is installed at the top of the frame 71, a manual winch 75 is installed at the middle part of the frame 71, a steel wire rope 751 on the manual winch 75 passes through the top pulley 74 and then is connected with the lifting frame 72, and the lifting frame 72 is lifted or dropped by using the slide bar 73 as a running path.
Further preferably, in this embodiment, a wheel 711 is mounted on one side of the bottom of the frame 71, so that the vehicle body can move, a bracket 712 is mounted on the other side of the bottom of the frame 71, the bracket 712 is perpendicular to the frame 71 to form an L shape, so that the frame 71 can be vertically placed, and the bracket 712 and the frame of the rectangular frame 71 are fixed through a diagonal brace 713; the bottom of the support 712 is provided with a support 714 to empty the support 712 and prevent the support 712 from directly contacting the high temperature masonry.
Further preferably, in the present embodiment, the hoisting frame 72 is an L-shaped structure, and includes a vertical frame 721 and a horizontal frame 722 that are perpendicular to each other; a sliding sleeve 723 is arranged on the vertical frame 721, the sliding sleeve 723 is sleeved on the sliding rod 73, a lifting lug 724 is arranged at the top of the vertical frame 721, and the lifting lug 724 is connected with a steel wire rope 751 of the manual winch 75; the horizontal frame 722 is rotatably connected to the upper portion of the draft tube 60 by a rotating shaft 725. When the draft tube lift truck 70 moves, the rectangular frame 71 is inclined, the frame 71 is a handle, and a support rod 76 for supporting the lower end of the draft tube 60 is installed on the bracket 712 to restrict the draft tube 60 from rotating around the rotation shaft 725.
The coke oven local hot repair modular heat insulation cover 100 is used during coke oven hot repair, taking wall surface maintenance of a carbonization chamber as an example: firstly, placing two channel steels at the bottom of a carbonization chamber as a track 90, installing heat insulation covers one by one according to a region to be repaired, and communicating metal pipes 41 of a compressed air pipeline 40 between the heat insulation covers through metal hoses 44; a constructor pushes a plurality of heat insulation covers into the furnace and enters the heat insulation space, and tightly props the supporters 20 to firmly prop the heat insulation plates 10 on the wall bodies at two sides; inserting the guide pipe 60 into the connector of the guide top plate 30 from the coal charging hole, and connecting one side of the top of the guide pipe 60 with an air exhaust device; a fan 51 is arranged at an inlet of the carbonization chamber, an air inlet cylinder 50 and a compressed air source are arranged, a compressed air pipeline 40 is communicated with the compressed air source, a pneumatic dismantling tool is connected to the compressed air pipeline, and the compressed air pipeline 40 provides power for the pneumatic dismantling tool in the dismantling process and lowers the temperature of a human body of a constructor; after the constructor removes the corresponding heat insulation blocks 13 at the places needing to be subjected to hot repair, the constructor adopts a pneumatic removing tool to repair the heat insulation blocks 13, the corresponding heat insulation blocks 13 are installed immediately after one place is repaired, and then the next place is subjected to hot repair.
The coke oven local hot repair modular heat insulation cover 100 of the invention has the following beneficial effects:
1. the heat insulation space is composed of the heat insulation plate 10, the supporter 20 and the flow guide top plate 30, the heat insulation plate 10 comprises a rectangular frame 11 provided with a plurality of standard lattices 12, and a single heat insulation block is installed in each lattice 12 so as to be freely detached in an area to be repaired, so that the problems of material loss increase and air pollution caused by cutting of heat insulation materials and rapid temperature rise of internal air are solved. The honeycomb duct 60 is installed at the top of the heat insulation space, the compressed air pipeline 40 of the pneumatic tool is detached by installing one side of the heat insulation space to form a heat insulation unit, the air cooling module comprising the air inlet cylinder 50 and the honeycomb duct 60 is combined to inject normal temperature air into the cover body quickly, the air is exhausted out of the furnace through the honeycomb duct 60 by the guide top plate 30 interface after the internal circulation of the cover body, the air inlet cylinder 50 and the honeycomb duct 60 are both connected into the fan 51 so as to accelerate the speed of cooling the environment in the heat insulation space, and even approach to the normal temperature.
2. The heat insulation block 13 comprises a steel plate net, a ceramic fiber felt and a high-temperature resistant calcium silicate board in sequence from the contact surface of the wall body to the heat insulation space, the ceramic fiber felt is fixed on the steel plate net, the high-temperature resistant calcium silicate board is high in density, coarse fibers of the ceramic fiber felt are isolated from the heat insulation space, and compared with a traditional structure that two layers of steel plate nets sandwich one layer of fiber felt, the heat insulation block 13 isolates the coarse fibers of the ceramic fiber felt from the heat insulation space through the high-temperature resistant calcium silicate board on the inner side, and the situation that the fibers of the fiber felt float in the heat insulation space to cause respiratory diseases is avoided.
3. The draft tube lift truck 70 and the draft tube 60 are rotatably connected together through a rotating shaft 725, and by operating the manual winch 75, the lifting frame 72 drives the draft tube 60 to lift or fall down by using a slide rail as a running path, so that the insertion of the draft tube 60 in a coal charging hole is quickly completed, and the direct insertion of the draft tube 60 is avoided, and the high temperature of the coal charging hole is prevented from roasting constructors.
4. The air cooling suit 82 is made of a hose 821 and is communicated with the compressed air pipeline 40, so that cold air from the outside can flow circularly to cool the human body.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a coke oven local hot repair modularization heat insulating cover which characterized in that, includes heat insulating module and air-cooled module in the stove:
the heat insulation module comprises heat insulation plates directly contacted with wall bodies on two sides, supporters for supporting the heat insulation plates on the two sides and flow guide top plates arranged at the upper parts of the heat insulation plates on the two sides, and the heat insulation plates and the flow guide top plates form a cover body together; the heat insulation plate comprises a frame with a plurality of standard lattices, wherein a single heat insulation block is detachably arranged in each lattice so as to be freely detached in an area to be repaired; the bottom of the frame of the heat insulation plate is provided with a roller so that the single or multiple covers can integrally move; the support is a structure with the length capable of stretching;
the air cooling module comprises an air inlet cylinder and a flow guide pipe, wherein the air inlet cylinder is arranged at the inlet of the carbonization chamber and is used for quickly injecting normal-temperature air into the cover body; the guide pipe is butted with the upper end of the guide top plate, the guide pipe is a heat-insulating pipeline vertically inserted into a coal charging hole at the top of the furnace, and an outlet of the guide pipe is provided with an air exhaust device;
the modular heat insulation cover for local hot repair of the coke oven further comprises a flow guide pipe lift truck, the flow guide pipe lift truck comprises a frame and a lifting frame, a vertical sliding rod is mounted on the frame, the lifting frame is mounted on the sliding rod, a top pulley is mounted at the top of the frame, a manual winch is mounted in the middle of the frame, a steel wire rope on the manual winch penetrates through the top pulley and then is connected with the lifting frame, and the lifting frame lifts or falls down by taking the sliding rod as a running path and is used for assisting insertion of the flow guide pipe;
the modular heat insulation cover for local hot repair of the coke oven further comprises a compressed air pipeline arranged on the heat insulation plate on one side of the cover body, the main body of the compressed air pipeline is a metal pipe, two ends of the metal pipe are sequentially provided with an elbow, an air pipe connector and a metal hose, and adjacent cover bodies are connected through the metal hose; the middle part of the metal pipe is also provided with a trachea three-way connector for installing a pneumatic dismantling tool and an air cooling suit for cooling construction personnel.
2. The coke oven local hot repair modular heat insulation cover of claim 1, wherein the heat insulation block comprises a steel plate mesh, a ceramic fiber felt and a high temperature resistant calcium silicate board in sequence from the wall contact surface to the heat insulation space, the ceramic fiber felt is fixed on the steel plate mesh, and the high temperature resistant calcium silicate board isolates coarse fibers of the ceramic fiber felt from the heat insulation space.
3. The coke oven local hot repair modular insulation cover according to claim 1, wherein the rectangular frame of the insulation panels is provided with a supporter mounting seat, and two ends of the supporter are respectively matched and connected with the supporter mounting seat to firmly support the insulation panels on the wall bodies at two sides.
4. The coke oven localized hot repair modular heat insulating shield of claim 3, wherein the support comprises a sleeve, screws are installed on both sides of the sleeve by screw threads, the screws on both sides of the sleeve are positive and negative, and the screws on both sides can be shortened or lengthened simultaneously when the sleeve is rotated; and a fixing clamp is arranged at the end part of the screw rod so as to be connected with the support mounting seat.
5. The coke oven localized hot repair modular insulating cover of claim 1, wherein the air inlet drum comprises a fan and a trumpet connected to the fan, the air inlet drum being located at an entrance to the coking chamber.
6. The coke oven local hot repair modular heat insulation cover of claim 1, wherein wheels are installed on one side of the bottom of the frame, a support is installed on the other side of the bottom of the frame, the support is perpendicular to the frame to form an L shape, and the support is fixed with a frame of the rectangular frame through an inclined strut; the support is installed to the support bottom, will the support soaks, avoids the support is direct with high temperature brickwork direct contact.
7. The coke oven localized hot repair modular insulating cover of claim 1, wherein the lifting frame is an L-shaped structure comprising vertical and horizontal frames that are perpendicular to each other; the vertical frame is provided with a sliding sleeve which is sleeved on the sliding rod, the top of the vertical frame is provided with a lifting lug, and the lifting lug is connected with a steel wire rope of the manual winch; the horizontal frame is rotatably connected with the upper part of the flow guide pipe through a rotating shaft.
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| JP2002097472A (en) * | 2000-09-26 | 2002-04-02 | Kawasaki Steel Corp | Apparatus and method for repairing oven wall of coke oven carbonization chamber |
| CN207341222U (en) * | 2017-09-20 | 2018-05-11 | 吴汝松 | Blowing vest |
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| US2179635A (en) * | 1939-01-17 | 1939-11-14 | Koppers Co Inc | Coke-oven operating appliance |
| US4008129A (en) * | 1975-02-24 | 1977-02-15 | Firma Carl Still | Intermediate head for coke oven batteries |
| JPH05239462A (en) * | 1992-02-27 | 1993-09-17 | Nkk Corp | Hot repair apparatus for coke oven |
| JPH11106756A (en) * | 1997-10-06 | 1999-04-20 | Kawasaki Steel Corp | Workroom for coke oven chamber |
| DE19910300C1 (en) * | 1999-03-09 | 2000-09-07 | Thyssen Krupp Encoke Gmbh | Process for the hot repair of the heating trains of a coke oven battery and device for carrying out this process |
| CN1283752C (en) * | 2003-11-07 | 2006-11-08 | 酒泉钢铁(集团)有限责任公司 | Process for heat maintaining whole walls of coke carbonating chamber |
| BRPI0818840A2 (en) * | 2007-11-01 | 2015-04-22 | Fosbel Intellectual Ltd | Methods for repairing a refractory brick wall in an oven and for replacing all or part of a ceramic brick heating wall in a coke oven |
| CN201406405Y (en) * | 2009-05-14 | 2010-02-17 | 中冶实久建设有限公司 | Heat insulation and protection structure for coke oven on-line hot repair |
| KR20150063676A (en) * | 2013-12-02 | 2015-06-10 | 주식회사 태을성 | Heat insulating plate of coke chamber of coke oven |
| CN104498059B (en) * | 2014-11-15 | 2017-05-31 | 马钢(集团)控股有限公司 | Coke furnace carbonization chamber repairing protection device, its manufacture method and carbonization chamber method for repairing and mending |
| CN204999201U (en) * | 2015-08-06 | 2016-01-27 | 佛山市埃申特科技有限公司 | A material feeding unit for charging roller, fixing roller |
| CN106672514A (en) * | 2017-03-20 | 2017-05-17 | 浙江为环科技有限公司 | Dustbin elevating, overturning and pouring device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002097472A (en) * | 2000-09-26 | 2002-04-02 | Kawasaki Steel Corp | Apparatus and method for repairing oven wall of coke oven carbonization chamber |
| CN207341222U (en) * | 2017-09-20 | 2018-05-11 | 吴汝松 | Blowing vest |
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