CN1266084A - Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof - Google Patents
Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof Download PDFInfo
- Publication number
- CN1266084A CN1266084A CN 00115068 CN00115068A CN1266084A CN 1266084 A CN1266084 A CN 1266084A CN 00115068 CN00115068 CN 00115068 CN 00115068 A CN00115068 A CN 00115068A CN 1266084 A CN1266084 A CN 1266084A
- Authority
- CN
- China
- Prior art keywords
- flue
- brick
- lintel
- pillar
- dry extinguishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000571 coke Substances 0.000 title claims description 31
- 239000011449 brick Substances 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 241001669679 Eleotris Species 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 15
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000004901 spalling Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Coke Industry (AREA)
Abstract
The invented examination and repair method includes the following steps: firstly, using suspending mechanism to suspend and fix the lintel bricks of flue, then using propping mechanism to prop the underside of lintel bricks of flue, and checking and replacing supporting columns of flue and lintel bricks of flue one-by-one. Said invention includes the suspending mechanism and propping mechanism, and its structure is simple, easy to assemble, and safe and reliable in operation.
Description
The present invention relates to the flue pipe local overhauling method and the equipment thereof of dry extinguishing coke pot in a kind of examination and repair method and the equipment thereof, particularly dry coke quenching auxiliary of dry coke quenching auxiliary.
Dry extinguishing coke pot is made up of fire door position, cone position, the chamber that prestores, flue and cooling room in the existing dry coke quenching auxiliary.Its flue position is passed through easily for making cooling gas, with circumference 32 five equilibriums, is provided with 32 flue pillars, and these flue pillars bear the anti-material weight at top body of heater partition wall and cone position.In use, peeling off and crack conditions often appears in these flue pillars, will cause and support body of heater partition wall and the insufficient hidden danger of cone position loading strength.The following points of tracing it to its cause: (1) flue pillar bears whole anti-material weight on it, it is inhomogeneous to load, easily produce the brick fracture, (2) wash away and coke moves wearing and tearing and produces pinch spalling owing to cooling gas flows, each position of (3) flue produces for different thermal effects that temperature variation produced ruptures and peels off.
In the prior art,, promptly remove all anti-materials of dry extinguishing coke pot, build by laying bricks or stones again again in case flue pillar well damage generally adopts the overhaul mode.Adopt the two kinds of examination and repair method of sectional repair in spray repair repairing and the overhaul in addition.Spraying method is used to repair the lighter position of wearing and tearing, i.e. spray repair wear resisting property high alumina spray material preferably, its Al
2O
3Content is 70%, and uses Y type anchoring piece simultaneously.The heat waste of the residual brick of available buffer working face is ruined like this, the damage of the flue pillar that slows down.But, just can not adopt spraying method to repair to than badly damaged flue pillar.Sectional repair method in the overhaul adopts when the flue pillar damages relatively seriously, as Japan " refractory body " 40-464,1988-No.8 the transformation of the dry coke quenching equipment of middle introduction, the anti-material on dry extinguishing coke pot flue pipe top is all sling with wireline, behind whole disintegration the in flue position (comprising ring air flue, oblique flue), again build by laying bricks or stones, its repair time reaches 80 days again.
The object of the present invention is to provide a kind of dry extinguishing coke pot flue pipe local overhauling method and equipment thereof, shorten maintenance duration, reduce recondition expense, prolonging overhaul furnace life.
For achieving the above object, the present invention adopts following technical proposals: the present invention adopts local overhauling method to the dry extinguishing coke pot flue pipe examination and repair method.It is characterized in that with suspension gear anti-material suspention more than the flue lintel brick being fixed earlier, prevent its top masonry slump or drawing crack, with supporting mechanism flue lintel brick bottom is shored, flue pillar and lintel brick are changed in maintenance one by one then.The refractory brick of building usefulness by laying bricks or stones is changed in maintenance can adopt high alumina charing silica brick that easily use, high temperature resistant and that pinch spalling is good and high temperature break resistant intensity is good in reducing atmosphere, its Chemical Composition is by weight: Al
2O
3Be 54～65%, SiC is 25～45% and Fe
2O
3Be 0.5～2.0%.Replace original leck brick with this refractory brick, can improve the result of use of this one after overhauling.
The equipment that examination and repair method is used among the present invention has pair material suspention anti-more than the flue lintel brick, and fixedly the supporting mechanism of usefulness is shored in the suspension gear and the flue lintel brick bottom of usefulness.The structure of its suspension gear is: be welded on formation ring beam hanging scaffold on the band steel with the circumferential uniform steel pipe of 8-80 root, every steel pipe runs through the accounting for the hole of body of heater partition wall bottom of ring air flue inboard and stretches in the ring air flue, and every steel pipe is positioned at body of heater partition wall internal and external section by two wireline to it and is hung on respectively on fire door platform steelframe and the ring air flue platform steelframe.And the structure of supporting mechanism is: the cooling coke of retaining effective quantity in the cooling section of dry extinguishing coke pot, on coke, lay railway sleepers, two strut members are arranged, and these two strut member lower ends are supported on the sleeper, and two adjacent flue lintel brick bottom surfaces of the flue pillar of Awaiting Overhaul are being shored in the upper end.
The present invention compared with prior art, have following conspicuous outstanding feature and remarkable advantage: flue pipe local overhauling method of the present invention is only removed replacing to flue pillar and flue lintel brick, material-saving saves time, dwindle the scope of repair and maintenance duration greatly, the former overhaul duration is 50 days, and maintenance duration of the present invention only is 8 days; Former overhaul average furnace life only is 4.3 years, adopt local overhauling after, overhaul average furnace life is increased to 8-10; Employing is saved refractory materials in a large number to the local overhauling of flue pillar and flue lintel brick, and a large amount of saving are overhauled labour costs, reduced labor intensity; Adopt high alumina charing silica brick to replace former leck brick, improve work-ing life.The equipment that examination and repair method of the present invention adopts, simple in structure, reasonable in design, need not large-scale dress and hang equipment, mounting or dismounting are easy, and safe and effective.
Accompanying drawing is the structural representation of one embodiment of the invention.
An optimum implementation of the present invention is: referring to accompanying drawing, this dry coke quenching pot flue pipe local overhauling method be earlier with suspension gear to flue lintel brick 9 or more anti-material suspention fix, prevent its top masonry slump or drawing crack, with supporting mechanism flue lintel brick 9 bottoms are shored, flue pillar 7 and flue lintel brick 9 are changed in maintenance one by one then again.Its concrete maintenance step is: 1. preparation of construction: open manhole after the cooling, suspension gear is installed, make it bear the anti-material loading more than 9 of flue lintel brick; 2. supporting mechanism is installed: in flue pillar 7 two adjacent flue lintel brick 9 bottoms of Awaiting Overhaul supporting mechanism is installed it is shored; 3. after two strut members, 6, the 8 usefulness timber wedges that are positioned at these flue pillar 7 both sides of supporting mechanism are urgent, remove this flue pillar 7 and lintel brick 9; 4. change and build flue lintel brick 9 and the flue pillar 7 that has been removed by laying bricks or stones, and urgent with iron plate, in case brick is loosening; 5. change remaining flue pillar 7 and flue lintel brick 9 one by one by the step is poly-2., 4. 3. step repeat with step.Maintenance is changed the refractory brick of building usefulness by laying bricks or stones and adopt high alumina charing silica brick that easily use, high temperature resistant and that pinch spalling is good and high temperature break resistant intensity is good in reducing atmosphere.Its Chemical Composition is by weight: Al
2O
3Be 54～65%, SiC is 25～45% and Fe
2O
3Be 0.5～2.0%.Replace original leck brick with this refractory brick, can improve the result of use at this position after overhauling.
The repair apparatus that adopts in the present embodiment include to flue lintel brick more than 9 the suspention of anti-material fixedly usefulness suspension gear and flue lintel brick 9 bottoms are shored the supporting mechanism of usefulness.The structure of its suspension gear is: be welded on formation ring beam hanging scaffold 10 on the band steel with the circumferential uniform steel pipe 11 of 8-80 root, every steel pipe 11 run through ring air flue 13 inboards body of heater partition wall 14 bottoms boring and stretch in the ring air flue 13, every steel pipe 11 is positioned at body of heater partition wall 14 internal and external section by two wireline 12,16 to it and is hung on respectively on fire door platform steelframe 1 and the ring air flue platform steelframe 2.Wireline 12,16 is adjustable hoist cable, can adjust like this and make the stressed equalization of all wireline, on the wireline 12,16 ergograph 10 is housed also, so that observation wireline 12,16 stressed sizes, whether be enough to bear the loading of flue lintel brick anti-material more than 9, and observe each wireline stressed whether impartial.And the structure of supporting mechanism is: retain the cooling coke 5 of effective quantity in the cooling section 4 of dry extinguishing coke pot, lay railway sleepers 3 on coke 5; Two strut members 6,8 are arranged, and these two strut members, 6,8 lower ends are supported on the sleeper 3, and two adjacent flue lintel brick 9 bottom surfaces of the flue pillar 7 of Awaiting Overhaul are being shored in the upper end.Strut member 6,8 is the strut member of adjustment height; Be convenient to adjust its height, be suitable for flue lintel brick 9 is shored.
Claims (8)
1. dry extinguishing coke pot flue pipe local overhauling method, it is characterized in that fixing with suspension gear earlier to the above anti-material suspention of flue lintel brick (9), with supporting mechanism flue lintel brick (9) bottom is shored, flue pillar (7) and flue lintel brick (9) are changed in maintenance one by one then again.
2. dry extinguishing coke pot flue pipe local overhauling method according to claim 1 is characterized in that the step of overhauling is: 1. preparation of construction: open manhole after the cooling, suspension gear is installed, make it bear the above anti-material loading of flue lintel brick (9); 2. supporting mechanism is installed: the strut member (6,8) that supporting mechanism is installed in adjacent two flue lintel bricks (9) bottom of the flue pillar (7) of Awaiting Overhaul is shored it; 3. remove this flue pillar (7) and flue lintel brick (9) at two strut members (6,8) that are positioned at a flue pillar (7) both sides of supporting mechanism with the urgent back of timber wedge; 4. change and build flue lintel brick (9) and the flue pillar (7) that has been removed by laying bricks or stones, and urgent with iron plate to prevent the loosening of brick; 5. set by step 2., 4. 3. step repeat with step and change remaining flue pillar (7) and flue lintel brick (9) one by one.
3. dry extinguishing coke pot flue pipe local overhauling method according to claim 1 and 2 is characterized in that overhauling that to change the refractory brick of building usefulness by laying bricks or stones be high alumina charing silica brick.
4. dry extinguishing coke pot flue pipe local overhauling method according to claim 3 is characterized in that the chemical ingredients of high alumina charing silica brick is counted by weight: Al
2O
3Be 54～65%, SiC is 25～45% and Fe
2O
3Be 0.5～2.0%.
5. equipment of using according to the described dry extinguishing coke pot flue pipe local overhauling method of claim 1, it is characterized in that being: be welded on formation ring beam hanging scaffold (10) on the band steel with the circumferential uniform steel pipe (11) of 8-80 root to the above anti-material suspention fixed suspension gear structure of flue lintel brick (9), every steel pipe (11) runs through the boring of inboard body of heater partition wall (14) bottom of ring air flue (13) and stretches in the ring air flue (13), every steel pipe (11) is by two wireline (12,16) it being positioned at body of heater partition wall (14) internal and external section is hung on respectively on fire door platform steelframe (1) and the ring air flue platform steelframe (2).
6. the equipment that dry extinguishing coke pot flue pipe local overhauling method according to claim 5 is used is characterized in that wireline (12,16) is adjustable hoist cable, and wireline also is equipped with ergograph (15) on (12,16).
7. equipment that dry extinguishing coke pot flue pipe local overhauling method according to claim 1 is used, it is characterized in that flue lintel brick (9) bottom shores the structure of the supporting mechanism of usefulness and be: in the cooling section (4) of dry extinguishing coke pot, retain the cooling coke (5) of effective quantity, on coke (5), lay railway sleepers (3); Have two strut members (6,8) lower end to be supported on the sleeper (3), and adjacent two flue lintel bricks (9) bottom surface of the flue pillar (7) of Awaiting Overhaul is being shored in the upper end.
8. the equipment that dry extinguishing coke pot flue pipe local overhauling method according to claim 7 is used is characterized in that strut member (6,8) is the strut member of adjustment height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00115068 CN1121473C (en) | 2000-03-23 | 2000-03-23 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00115068 CN1121473C (en) | 2000-03-23 | 2000-03-23 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1266084A true CN1266084A (en) | 2000-09-13 |
| CN1121473C CN1121473C (en) | 2003-09-17 |
Family
ID=4584539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00115068 Expired - Fee Related CN1121473C (en) | 2000-03-23 | 2000-03-23 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121473C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831309A (en) * | 2010-04-02 | 2010-09-15 | 攀钢集团冶金工程技术有限公司 | Dry quenching furnace chute strut replacing method and device |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
| CN102492438A (en) * | 2011-11-25 | 2012-06-13 | 攀钢集团攀枝花钢钒有限公司 | Method for replacing brackets of dry quenching furnace |
| CN101671569B (en) * | 2009-09-28 | 2012-09-05 | 山东钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
| CN101709222B (en) * | 2009-11-16 | 2013-05-29 | 中冶焦耐(大连)工程技术有限公司 | Dry quenching furnace shell with novel structure |
| CN103234353A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Device and method for repairing inclined air duct of sintered ore cooling furnace |
| CN107366895A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | A kind of method of quick-replaceable coke dry quenching boiler drum safety valve |
| CN108587654A (en) * | 2018-05-15 | 2018-09-28 | 五冶集团上海有限公司 | A kind of bracing means for preventing coke dry quenching furnace from deforming |
| CN112815712A (en) * | 2021-02-07 | 2021-05-18 | 江西铜业集团(贵溪)冶金化工工程有限公司 | Local maintenance method for flash furnace bottom arch foot brick |
-
2000
- 2000-03-23 CN CN 00115068 patent/CN1121473C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671569B (en) * | 2009-09-28 | 2012-09-05 | 山东钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
| CN101709222B (en) * | 2009-11-16 | 2013-05-29 | 中冶焦耐(大连)工程技术有限公司 | Dry quenching furnace shell with novel structure |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
| CN102191066B (en) * | 2010-03-03 | 2013-12-25 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
| CN101831309A (en) * | 2010-04-02 | 2010-09-15 | 攀钢集团冶金工程技术有限公司 | Dry quenching furnace chute strut replacing method and device |
| CN102492438A (en) * | 2011-11-25 | 2012-06-13 | 攀钢集团攀枝花钢钒有限公司 | Method for replacing brackets of dry quenching furnace |
| CN103234353A (en) * | 2013-04-15 | 2013-08-07 | 中信重工机械股份有限公司 | Device and method for repairing inclined air duct of sintered ore cooling furnace |
| CN103234353B (en) * | 2013-04-15 | 2016-01-20 | 中信重工机械股份有限公司 | A kind of slope air course prosthetic device of sintering deposit cool furnace and method |
| CN107366895A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | A kind of method of quick-replaceable coke dry quenching boiler drum safety valve |
| CN107366895B (en) * | 2016-05-12 | 2019-08-27 | 鞍钢股份有限公司 | A kind of method of quick-replaceable coke dry quenching boiler drum safety valve |
| CN108587654A (en) * | 2018-05-15 | 2018-09-28 | 五冶集团上海有限公司 | A kind of bracing means for preventing coke dry quenching furnace from deforming |
| CN112815712A (en) * | 2021-02-07 | 2021-05-18 | 江西铜业集团(贵溪)冶金化工工程有限公司 | Local maintenance method for flash furnace bottom arch foot brick |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1121473C (en) | 2003-09-17 |
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Owner name: BAOSHAN IRON & STEEL CO., LTD. Free format text: FORMER OWNER: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD Effective date: 20020403 |
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Effective date of registration: 20020403 Address after: 201900, Fujin Road, Shanghai, Baoshan District orchard Applicant after: Baoshan Iron & Steel Co., Ltd. Address before: 201900 No. 370 Pu circuit, Shanghai, Pudong New Area Applicant before: Baoshan Iron and Steel Group Co., Shanghai |
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Effective date of registration: 20160412 Address after: 201900 Shanghai city Baoshan District Meipu Road No. 335 Patentee after: Shanghai Baosteel Industry Technological Service Co. Ltd Address before: 201900 Fujin Road, Shanghai, orchard, Baoshan District Patentee before: Baoshan Iron & Steel Co., Ltd. |
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Granted publication date: 20030917 Termination date: 20160323 |