CN103695006B - Method for repairing surface fireproofing layer of lining of coke oven door - Google Patents
Method for repairing surface fireproofing layer of lining of coke oven door Download PDFInfo
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- CN103695006B CN103695006B CN201310663012.8A CN201310663012A CN103695006B CN 103695006 B CN103695006 B CN 103695006B CN 201310663012 A CN201310663012 A CN 201310663012A CN 103695006 B CN103695006 B CN 103695006B
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- coke oven
- oven door
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Abstract
The invention relates to a method for preparing a surface fireproofing layer of a lining of a coke oven door. The method comprises steps of (1) installing a device for repairing the surface fireproofing layer of the lining of the coke oven door near the coke oven door; (2) paving a track between the device for repairing the surface fireproofing layer of the lining of the coke oven door and the coke oven door; (3) hoisting the coke oven door with the damaged lining to a trolley, and then sweeping the surface of the lining of the coke oven door; (4) uniformly painting a layer of fireproofing material on the surface of the lining of the coke oven door; (5) naturally drying the fireproofing layer, and then pushing the coke oven door into the repairing device; (6) closing end walls at two ends of the repairing device, and sealing the periphery of the coke oven door with ceramic fiber sealing blocks; (7) starting a heating element: firstly raising temperature up to 110 DEG C by 10 DEG C per hour, keeping warm and drying for 3 hours, then raising temperature up to 1100 DEG C by 50 DEG C per hour, and keeping warm again for 3 hours; (8) turning off the heating element so as to finish firing. The fireproofing layer repaired by the method has stable performance and is not easy to fall off.
Description
Technical field
The present invention relates to a kind of method of repairing coke oven door inner lining surface refractory masses, be specifically related to a kind of coke oven door inner lining surface refractory masses method for repairing and mending.
Background technology
Coke oven door is in coke oven normal productive process, open frequent, require high to the heat-resistant knocking stability of refractory materials, although have employed the refractory materials that some have better heat-shock resistance and slag resistance current, be subject to temperature variation frequently, door lining surface produces after less than half a year at coke oven, corrode from lining brick mortar joint place slowly, and gradually to lining brick extended surface, until inner lining surface peels off, affect the resistance to air loss in coke oven door use procedure.There is the phenomenon of localized delamination in current coke oven door surface, generally adopts following treatment process: (1) continues to use impaired fire door, and flue gas releases from fire door, contaminate environment; (2) benefit one deck refractory materials is directly smeared on impaired door lining surface, fire without baking, fire door after inner lining surface is repaired directly is installed on coke oven and uses, because smearing the refractory materials filled through firing, very easily come off in use procedure, do not reach the object of repairing, reduce the work-ing life of fire door.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of coke oven door inner lining surface refractory masses method for repairing and mending, the method can be repaired door lining surface refractory masses fast and effectively, the refractory masses stable performance after repairing by the method, difficult drop-off, long service life.
For achieving the above object, the technical solution used in the present invention is:
A kind of coke oven door inner lining surface refractory masses method for repairing and mending, is characterized in that it comprises the following steps:
1) near coke oven door, install a coke oven door inner lining surface refractory masses repair apparatus, this repair apparatus mainly comprises a steel construction main body frame; The upper surface of described steel construction main body frame inside is equipped with steel plate top board, described steel plate top board is evenly distributed with several suspender members, described steel plate top board is provided with one deck furnace roof fibre module, this furnace roof fibre module is fixedly connected with steel plate top board by suspender member, is provided with one deck furnace roof fibrefelt between steel plate top board and furnace roof fibre module; The both sides, front and back of described steel construction main body frame inside are equipped with steel plate side wall, described steel plate sidewall is uniform-distribution with several anchoring pieces, described steel plate sidewall upper berth is provided with one deck sidewall fibers module, be provided with one deck sidewall fibers felt between described sidewall fibers module and steel plate sidewall, described sidewall fibers module is fixedly connected with steel plate sidewall by anchoring piece; This repair apparatus also comprises the headwall opened and closed being positioned at two ends, steel construction main body frame left and right for a pair, one deck headwall fibrefelt and one deck headwall fibre module is equipped with successively inside this headwall, when a pair headwall is in closing condition, described furnace roof fibre module, sidewall fibers module, headwall fibre module and door lining form a closed heated chamber jointly; Evenly have multiple heating unit respectively in described heated chamber, each heating unit is fixed on furnace roof fibre module;
2) between coke oven door inner lining surface refractory masses repair apparatus and coke oven door, lay a track, track is placed with a chassis;
3) first coke oven door impaired for door lining is lifted on chassis, liner is faced up; Clean the refractory materials that door lining surface comes off again, and closely knit in mortar joint jointing;
4) at the brushing of door lining surface uniform or the thick refractory masses of spraying one deck 1-1.5mm;
5) after refractory masses seasoning, then coke oven door is pushed in the heated chamber of this repair apparatus along track;
6) headwall at these repair apparatus two ends is closed, by the surrounding of ceramic fiber sealing block good seal coke oven door;
7) open heating unit to heat: be first slowly warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours; And then heat up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, be again incubated 3 hours;
8) close heating unit and complete firing refractory masses, open the headwall at these repair apparatus two ends, remove ceramic fiber sealing block, after door lining naturally cooling (to room temperature), fire door is released repair apparatus, complete whole patch work.
In aforesaid method, multiple heating units in coke oven door inner lining surface refractory masses repair apparatus described in step 1) are divided into two groups (often organize heating unit and all have independently on-off control), one group is upper heating element, and another group is side heat element; The fire end of described upper heating element is positioned at directly over door lining, and the fire end of described side heat element is positioned at the side of door lining.
In aforesaid method, the heat-processed in step 7) is specially: first open top part heating unit, is warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours; Open side flat heating element again, heats up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, again carries out insulation 3 hours.
In aforesaid method, coke oven door inner lining surface refractory masses repair apparatus described in step 1) also comprises thermocouple temperature measurement system (for monitoring the temperature of heated chamber inside), and the thermopair in described thermocouple temperature measurement system is positioned at heated chamber and is fixedly connected with furnace roof fibre module.
Main beneficial effect of the present invention is:
1, method of the present invention can be repaired door lining surface refractory masses fast and effectively, the refractory masses stable performance after repairing by the method, difficult drop-off, long service life.The refractory masses of brushing on fire door lining brick of coke oven surface is after firing, door lining surface obtains Global Macros, firedly form refractory masses stable performance under fire door working order, lower scarfing cinder labour intensity in coking production process, strengthen the resistance to air loss of fire door, extend work-ing life of door lining, illustrate this heating unit remarkable benefit;
2. the present invention is safe and reliable, adopts thermocouple temperature measurement system in this repair apparatus, and the temperature of thermopair continuous acquisition is synchronously delivered to ground computer treatment system, monitors at any time to the temperature in device.
Accompanying drawing explanation
Fig. 1 is the front schematic cross-section of coke oven door inner lining surface refractory masses repair apparatus.
Fig. 2 is A-A place schematic cross-section in Fig. 1.
Fig. 3 is B place enlarged diagram in Fig. 2.
In figure: 1. steel construction main body frame; 2. steel plate top board; 3. steel plate sidewall; 4. suspender member; 5. furnace roof fibre module; 6. furnace roof fibrefelt; 7. sidewall fibers module; 8. sidewall fibers felt; 9. headwall; 10. headwall fibrefelt; 11. headwall fibre modules; 12. heated chambers; 13. upper heating element; 14. side heat elements; 15. thermopairs; 16. door linings; 17. chassis; 18. tracks; 19. mortar joints; 20. refractory masses; 21. ceramic fiber sealing blocks.
Embodiment
In order to understand the present invention better, below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further (as shown in Figure 1, 2, 3).
A kind of coke oven door inner lining surface refractory masses method for repairing and mending, it comprises the following steps:
1) near coke oven door, install a coke oven door inner lining surface refractory masses repair apparatus, this repair apparatus mainly comprises a steel construction main body frame 1; The upper surface of described steel construction main body frame 1 inside is equipped with steel plate top board 2, described steel plate top board 2 is evenly distributed with several suspender members 4, described steel plate top board 2 is provided with one deck furnace roof fibre module 5, this furnace roof fibre module 5 is fixedly connected with steel plate top board 2 by suspender member 4, is provided with one deck furnace roof fibrefelt 6 between steel plate top board 2 and furnace roof fibre module 5; The both sides, front and back of described steel construction main body frame 1 inside are equipped with steel plate side wall 3, described steel plate sidewall 3 is uniform-distribution with several anchoring pieces, described steel plate sidewall 3 is equipped with one deck sidewall fibers module 7, be provided with one deck sidewall fibers felt 8 between described sidewall fibers module 7 and steel plate sidewall 3, described sidewall fibers module 7 is fixedly connected with steel plate sidewall 3 by anchoring piece; This device also comprises the headwall 9 opened and closed being positioned at steel construction main body frame about 1 two ends for a pair, one deck headwall fibrefelt 10 and one deck headwall fibre module 11 is equipped with successively inside this headwall 9, when a pair headwall 9 is in closing condition, described furnace roof fibre module 5, sidewall fibers module 7, headwall fibre module 11 and door lining 16 form a closed heated chamber 12 jointly; Evenly have multiple heating unit respectively in described heated chamber 12, each heating unit is fixed on furnace roof fibre module 5;
2) between coke oven door inner lining surface refractory masses repair apparatus and coke oven door, lay a track 18, track 18 is placed with a chassis 17;
3) first coke oven door impaired for door lining 16 is lifted on chassis 17, liner is faced up; Clean the refractory materials that door lining 16 surface comes off again, and closely knit for mortar joint 19 jointing;
4) at door lining 16 surface uniform brushing or the thick refractory masses 20 of spraying one deck 1-1.5mm;
5) after refractory masses 20 seasoning, then coke oven door is pushed in the heated chamber 12 of this repair apparatus along track 18;
6) headwall 9 at these repair apparatus two ends is closed, by the surrounding of ceramic fiber sealing block 21 good seal coke oven door;
7) open heating unit to heat: be first slowly warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours; And then heat up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, within 3 hours, (this heat-processed optimum is: first open top part heating unit 13, is warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours in insulation again; Open side flat heating element 14 again, heats up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, again carries out insulation 3 hours; The temperature that thermopair 15 transmits out is observed at any time) in whole temperature-rise period;
8) close heating unit and complete firing refractory masses 20, open the headwall 9 at these repair apparatus two ends, remove ceramic fiber sealing block 21, after door lining 16 naturally cooling (to room temperature), fire door is released repair apparatus, complete whole patch work.
In aforesaid method, multiple heating units in coke oven door inner lining surface refractory masses repair apparatus described in step 1) are divided into two groups (often organize heating unit and all have independently on-off control), one group is upper heating element 13, and another group is side heat element 14; The fire end of described upper heating element 1 is positioned at directly over door lining 16, and the fire end of described side heat element 14 is positioned at the side of door lining 16.
In aforesaid method, coke oven door inner lining surface refractory masses repair apparatus described in step 1) also comprises thermocouple temperature measurement system (for monitoring the temperature of heated chamber 12 inside), and the thermopair 15 in described thermocouple temperature measurement system is positioned at heated chamber 12 and is fixedly connected with furnace roof fibre module 5.
Described headwall 9 comprises headwall steel construction and is fixed on the headwall steel plate of headwall steel construction side, described headwall steel plate is equipped with successively one deck headwall fibrefelt 10 and is fixedly connected with by the anchoring piece on headwall steel plate with headwall fibre module 11 with headwall steel plate described in one deck headwall fibre module 11().
Described heating unit is Si-Mo rod heating unit.
More than illustrate and be only Application Example of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalence change that the present patent application the scope of the claims is done, still belong to protection scope of the present invention.
Claims (4)
1. a coke oven door inner lining surface refractory masses method for repairing and mending, is characterized in that it comprises the following steps:
1) near coke oven door, install a coke oven door inner lining surface refractory masses repair apparatus, mainly it comprises a steel construction main body frame to coke oven door inner lining surface refractory masses repair apparatus; The upper surface of described steel construction main body frame inside is equipped with steel plate top board, described steel plate top board is evenly distributed with several suspender members, described steel plate top board is provided with one deck furnace roof fibre module, this furnace roof fibre module is fixedly connected with steel plate top board by suspender member, is provided with one deck furnace roof fibrefelt between steel plate top board and furnace roof fibre module; The both sides, front and back of described steel construction main body frame inside are equipped with steel plate side wall, described steel plate sidewall is uniform-distribution with several anchoring pieces, described steel plate sidewall upper berth is provided with one deck sidewall fibers module, be provided with one deck sidewall fibers felt between described sidewall fibers module and steel plate sidewall, described sidewall fibers module is fixedly connected with steel plate sidewall by anchoring piece; Coke oven door inner lining surface refractory masses repair apparatus also comprises the headwall opened and closed being positioned at two ends, steel construction main body frame left and right for a pair, one deck headwall fibrefelt and one deck headwall fibre module is equipped with successively inside this headwall, when a pair headwall is in closing condition, described furnace roof fibre module, sidewall fibers module, headwall fibre module and door lining form a closed heated chamber jointly; Evenly have multiple heating unit respectively in described heated chamber, each heating unit is fixed on furnace roof fibre module;
2) between coke oven door inner lining surface refractory masses repair apparatus and coke oven door, lay a track, track is placed with a chassis;
3) first coke oven door impaired for door lining is lifted on chassis, liner is faced up; Clean the refractory materials that door lining surface comes off again, and closely knit for mortar joint jointing;
4) at the brushing of door lining surface uniform or the thick refractory masses of spraying one deck 1-1.5mm;
5) after refractory masses seasoning, then coke oven door is pushed along track in the heated chamber of coke oven door inner lining surface refractory masses repair apparatus;
6) headwall at coke oven door inner lining surface refractory masses repair apparatus two ends is closed, by the surrounding of ceramic fiber sealing block good seal coke oven door;
7) open heating unit to heat: be first slowly warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours; And then heat up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, be again incubated 3 hours;
8) close heating unit and complete firing refractory masses, open the headwall at coke oven door inner lining surface refractory masses repair apparatus two ends, remove ceramic fiber sealing block, fire door is released coke oven door inner lining surface refractory masses repair apparatus after door lining naturally cooling, complete whole patch work.
2. coke oven door inner lining surface refractory masses method for repairing and mending according to claim 1, it is characterized in that: the multiple heating units in the coke oven door inner lining surface refractory masses repair apparatus described in step 1) are divided into two groups, one group is upper heating element, and another group is side heat element; The fire end of described upper heating element is positioned at directly over door lining, and the fire end of described side heat element is positioned at the side of door lining.
3. coke oven door inner lining surface refractory masses method for repairing and mending according to claim 1, it is characterized in that: the coke oven door inner lining surface refractory masses repair apparatus described in step 1) also comprises thermocouple temperature measurement system, and the thermopair in described thermocouple temperature measurement system is positioned at heated chamber and is fixedly connected with furnace roof fibre module.
4. coke oven door inner lining surface refractory masses method for repairing and mending according to claim 2, is characterized in that: the heat-processed in step 7) is specially: first open top part heating unit, is warming up to 110 DEG C according to the speed of 10 DEG C/h, heat preservation and dryness 3 hours; Open side flat heating element again, heats up according to the speed of 50 DEG C/h, when being warming up to 1100 DEG C, again carries out insulation 3 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663012.8A CN103695006B (en) | 2013-12-10 | 2013-12-10 | Method for repairing surface fireproofing layer of lining of coke oven door |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310663012.8A CN103695006B (en) | 2013-12-10 | 2013-12-10 | Method for repairing surface fireproofing layer of lining of coke oven door |
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| CN103695006A CN103695006A (en) | 2014-04-02 |
| CN103695006B true CN103695006B (en) | 2015-01-07 |
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| CN201310663012.8A Active CN103695006B (en) | 2013-12-10 | 2013-12-10 | Method for repairing surface fireproofing layer of lining of coke oven door |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105526803B (en) * | 2016-01-27 | 2019-01-18 | 江苏南方节能科技有限公司 | A kind of plate heat accumulating type furnace roof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268360A (en) * | 1980-03-03 | 1981-05-19 | Koritsu Machine Industrial Limited | Temporary heat-proof apparatus for use in repairing coke ovens |
| US4574035A (en) * | 1984-11-15 | 1986-03-04 | Highley Robert W | Warp-resistant self-sealing coke oven door |
| CN201867070U (en) * | 2010-11-04 | 2011-06-15 | 武汉钢铁(集团)公司 | Furnace door water-cooled end wall of roller hearth soaking furnace |
| CN202186976U (en) * | 2011-08-11 | 2012-04-11 | 上海梅山钢铁股份有限公司 | Heat-insulating protective device for thermal state depth overhaul and maintenance for carbonizing chamber of coke oven |
| CN102676181A (en) * | 2012-05-23 | 2012-09-19 | 广东韶钢松山股份有限公司 | Coke oven door lining brick repairing process |
| CN202671492U (en) * | 2012-06-15 | 2013-01-16 | 鞍钢股份有限公司 | Heat insulation tool for repairing furnace wall of coke oven carbonization chamber |
-
2013
- 2013-12-10 CN CN201310663012.8A patent/CN103695006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268360A (en) * | 1980-03-03 | 1981-05-19 | Koritsu Machine Industrial Limited | Temporary heat-proof apparatus for use in repairing coke ovens |
| US4574035A (en) * | 1984-11-15 | 1986-03-04 | Highley Robert W | Warp-resistant self-sealing coke oven door |
| CN201867070U (en) * | 2010-11-04 | 2011-06-15 | 武汉钢铁(集团)公司 | Furnace door water-cooled end wall of roller hearth soaking furnace |
| CN202186976U (en) * | 2011-08-11 | 2012-04-11 | 上海梅山钢铁股份有限公司 | Heat-insulating protective device for thermal state depth overhaul and maintenance for carbonizing chamber of coke oven |
| CN102676181A (en) * | 2012-05-23 | 2012-09-19 | 广东韶钢松山股份有限公司 | Coke oven door lining brick repairing process |
| CN202671492U (en) * | 2012-06-15 | 2013-01-16 | 鞍钢股份有限公司 | Heat insulation tool for repairing furnace wall of coke oven carbonization chamber |
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