CN102191066B - Coke dry quenching slope air course supporting brick overhaul construction process - Google Patents
Coke dry quenching slope air course supporting brick overhaul construction process Download PDFInfo
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- CN102191066B CN102191066B CN 201010116704 CN201010116704A CN102191066B CN 102191066 B CN102191066 B CN 102191066B CN 201010116704 CN201010116704 CN 201010116704 CN 201010116704 A CN201010116704 A CN 201010116704A CN 102191066 B CN102191066 B CN 102191066B
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- 239000011449 brick Substances 0.000 title claims abstract description 160
- 239000000571 coke Substances 0.000 title claims abstract description 20
- 238000010791 quenching Methods 0.000 title claims abstract description 18
- 230000000171 quenching Effects 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004873 anchoring Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 70
- 238000005266 casting Methods 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 230000003319 supportive Effects 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N Silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 229910052863 mullite Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 231100001004 fissure Toxicity 0.000 claims description 5
- 239000011468 face brick Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000012210 heat-resistant fiber Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000003014 reinforcing Effects 0.000 claims description 3
- 230000002194 synthesizing Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003245 working Effects 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 1
- 238000011030 bottleneck Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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Abstract
The invention discloses a coke dry quenching slope air course supporting brick overhaul construction process, which comprises the following steps: a) mounting a suspended ceiling supporting device; b) removing part of refractory bricks of a pillar of the slope air course; c) mounting an piece for anchoring the root part of the pillar of the oblique air course; d) providing castable and making castable prefabricated bricks; e) constructing the castable and building the castable prefabricated bricks; and f) removing the ceiling supporting device. The coke dry quenching slope air course supporting brick overhaul construction process has the advantages of prolonging the service life of the supporting part of the slope air course, reducing overhaul construction period, reducing maintenance cost and saving production cost.
Description
Technical field
The invention belongs to stove maintenance technical field of construction, specifically, is a kind of coke dry quenching slope air course supporting brick overhaul construction process.
Background technology
In order to adapt to the national environmental protection requirement, the successively newly-built large volume dry coke quenching in most domestic steel mill and coke-oven plant replaces wet quenching.Dry coke quenching is from structure design, the slope air course position is crucial, and the slope air course supporting brick will bear the weight (about 200t) of the inner anti-material of top partition wall and ring air channel on the one hand, in production process body of heater partially in, the slope air course supporting brick bears weight offset, discontinuity; Slope air course position refractory materials work under bad environment on the other hand, be subject to for a long time the temperature fusion, rapid heat cycle, the impacts such as blast air washes away, the friction of coke, chemical etching effect, cause thus the supporting brick fracture of slope air course position, anti-material is impaired fastest, is the life-span bottleneck of the anti-material of whole coke dry quenching body, life-span is only approximately more than 1 year, and approximately 8 years anti-material life-span of other positions of body.
Therefore known slope air course position supporting brick exists above-mentioned all inconvenience and problem.
Summary of the invention
Purpose of the present invention, be to propose a kind of coke dry quenching slope air course supporting brick overhaul construction process that uses the furred ceiling technology.
For achieving the above object, technical solution of the present invention is:
A kind of coke dry quenching slope air course supporting brick overhaul construction process is characterized in that comprising the following steps:
A) the furred ceiling supportive device is installed
With chain block, wireline with cross the dome brick strut member and make the ring-type suspender and draw high slope air course and cross dome brick top masonry, apply with the integral body of slope air course pillar upper, annular masonry deadweight opposite direction and lift prestress, while preventing slope air course pillar solution body construction, cause that the top masonry sinks, and supported the dome brick bottom with screw block;
B) remove slope air course leg portion refractory brick
Remove loosening brick while removing the pillar brick, remove from top to bottom 63 layers from the 75th layer, because pillar brick upper layer is that the fissure of displacement is built by laying bricks or stones, the refractory brick size differs, the long brick dismounting of holing to size, the number of plies is 75,73,71,69,67,65,63 layers successively, and other layers can directly take out, and 75 fault ruptures place can be removed; Adopt the Special drill machine during disintegration, every block of charing silica brick need to bore 2-3 hole, just can smash charing silica brick, takes out the charing silica brick of removing;
C) slope air course pillar root anchoring piece is installed
Slope air course pillar root anchoring piece is installed to be comprised the following steps:
1) with general Wicresoft drilling method, the 62nd, 63,64 layers of refractory brick position drilled in middle length, be the hole that 60mm, diameter are 14mm;
2) squeeze into the expansion bolt of φ 12mm in the hole of described diameter phi 14mm, " Y " type anchoring piece of making at described expansion bolt afterbody welding φ 12mm round steel,
Wherein: the long 60mm of expansion bolt, the round steel of anchoring piece is long 130mm partly, the long 30mm of empennage, two 60 ° of empennage angles;
3) described expansion bolt is reached the last and the anchoring piece cast time should be wrapped with the plastic colloidal cloth that thickness is 1mm, installs after expansion bolt, anchoring piece the floating ash that should remove the brick face;
At its top with anchoring piece of length of the described anchoring piece of pouring position and the about 50mm-60mm of spacing of windward side, be advisable, described expansion bolt, anchoring piece adopt the heat-resistance stainless steel material of 0Cr25Ni20 (310S);
4) boring is wanted slowly, installs after expansion bolt, anchoring piece the floating ash that should remove the brick face, at the brick face of pouring position, adopts high viscose glue body to be processed, and increases the associativity of mould material and refractory brick.
D) provide mould material and make casting material prefabricated brick
Described mould material is to be prepared by mullite silicon carbide, the raw material composition that described mould material contains following weight percent: aggregate 68～75%, matrix 23～30%, stainless steel heat-resistant fiber 1.5～2.0%, wherein aggregate partly contains following weight percent composition: high-purity low-iron mullite synthesizing 45～55%, superfine silicon carbide 12～16%, matrix partly contains following weight percent composition: high purity silica powder 5～9%, carbide fine powder 4～8%, rafifinal hydrochlorate 5～8%, active alpha-A1
2o
34～6%; Identical size and the described mould material of profile according to former refractory brick, and add 4 heat-resisting reinforcing bar 0Cr25Ni20 of φ 10mm (310S) to do stiffening web, make casting material prefabricated brick, casting, maintenance and be baked to 300 ℃;
E) mould material is constructed and is built casting material prefabricated brick by laying bricks or stones
Mould material is constructed and is built casting material prefabricated brick by laying bricks or stones and comprises the following steps:
1) install template, adopt the wooden form that 20mm is thick to make the pillar typified form, typified form is arranged to the consistent size with former refractory brick marshalling, when typified form is installed, should be supported by two adjacent pillars;
2) moulding of mould material upper surface after mould material pours 1 hour, above placing, needs the refractory brick of building by laying bricks or stones on the cast charge level, so that, with the top refractory brick coupling of building by laying bricks or stones that needs, should be taken refractory brick away after moulding is complete in time;
3) the mould material maintenance can be built refractory brick by laying bricks or stones after 48 hours on the cast charge level;
4) for the damage of every layer of brick of each slope air course masonry, the face brick windward of infringement is changed to repairerment, build by laying bricks or stones as the fissure of displacement;
5) before building casting material prefabricated brick by laying bricks or stones, former masonry is cleaned totally, then water waters a little;
While 6) building every layer of casting material prefabricated brick by laying bricks or stones, according to the elevation dimension of former masonry, built by laying bricks or stones, kept the level of masonry, must not be downward-sloping, adopt the two-sided ash of beating during casting material prefabricated brick masonry, must control the mortar plumpness of brickwork joint well;
7) foamed styrene of 2mm is laid at the Zhuan Gou position of every brick.
8) after each slope air course is built casting material prefabricated brick by laying bricks or stones, if larger brickwork joint or loosening is arranged, previously prepd 140 * 100 * 2mm heat-resistance stainless steel plate need be squeezed into to brickwork joint, on each slope air course pillar, can squeeze into steel plate 2-3 piece;
F) remove the furred ceiling supportive device
Remove chain block, wireline and cross the dome brick strut member, and screw block.
Coke dry quenching slope air course supporting brick overhaul construction process of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said c) expansion bolt in slope air course pillar root anchoring piece step, the heat-resistance stainless steel material that anchoring piece adopts 0Cr25Ni20 (310S) are installed;
Aforesaid method, wherein said d) provide mould material in making casting material prefabricated brick, to add 4 heat-resisting reinforcing bar 0Cr25Ni20 of φ 10mm (310S) to do stiffening web with making in casting material prefabricated brick step.
After adopting technique scheme, coke dry quenching slope air course supporting brick overhaul construction process of the present invention has the following advantages:
1, extend slope air course support portion work-ing life;
2, improve the work-ing life of dry extinguishing coke pot, greatly shortened maintenance duration;
3, shorten maintenance duration, reduce maintenance cost, save production cost.
The accompanying drawing explanation
The furred ceiling supportive device schematic diagram that Fig. 1 is the embodiment of the present invention;
The chute strut structural representation that Fig. 2 is the embodiment of the present invention;
The anchoring piece structural representation that Fig. 3 is the embodiment of the present invention;
The two adjacent shore supports typified form schematic diagram that Fig. 4 is the embodiment of the present invention;
The heat-resistance stainless steel plate that Fig. 5 is the embodiment of the present invention is squeezed into the schematic diagram of brickwork joint.
In figure: 1 furnace roof bearing platform, 2 chain blocks, 3 wireline, 4 coke, 5 cooling zone refractory brick loading ends, 6 chute district refractory brick loading ends, 7 screw block, 8 cross dome brick strut member, 9 peephole supports, 10 casting material prefabricated bricks, 11 mould material, 12 chute oral thermometer face brick lines, 13 templates, 14 studs, 15 slope air course pillars, 16 steel plates, the direction of F hammering steel plate power.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Coke dry quenching slope air course supporting brick overhaul construction process of the present invention comprises the following steps:
A) the furred ceiling supportive device is installed
Now refer to Fig. 1, the furred ceiling supportive device schematic diagram that Fig. 1 is the embodiment of the present invention.As shown in the figure; described chain block 2, wireline 3 and cross dome brick strut member 8 and make the ring-type suspender and draw high slope air course and cross dome brick top masonry; apply with the integral body of slope air course pillar upper, annular masonry deadweight opposite direction and lift prestress; while preventing slope air course pillar solution body construction; cause that the top masonry sinks, and supported the dome brick bottom with screw block 7 and protected.
B) remove slope air course pillar brick
The chute strut structural representation that Fig. 2 is the embodiment of the present invention, first remove loosening brick when the pillar brick is removed, and from the 75th layer, removes from top to bottom 63 layers.Because pillar brick upper layer is that the fissure of displacement is built by laying bricks or stones, the refractory brick size differs, the long brick dismounting of hole to size, and the number of plies is 75,73,71,69,67,65,63 layers successively, other layers can directly take out.75 fault ruptures place can be removed, and consider that following brick tears the brick of empty top 75 layers of GAT-2031 open and fall down and pound the operating personnel.With pneumatic pick, disintegrate, the pneumatic pick vibrations are too large, easily stagger joint brick interrupted, and after causing, build into straight joint by laying bricks or stones.The appropriate to the occasion employing Special drill machine that disintegrates, every block of charing silica brick need to bore 2-3 hole, just can smash charing silica brick, takes out the charing silica brick of this dismounting.Lay special stress on will calculate the degree of depth of boring, in order to avoid get into the inside, does not need the charing silica brick of removing.
C) slope air course pillar root anchoring piece is installed
The anchoring piece structural representation that Fig. 3 is the embodiment of the present invention, slope air course pillar root anchoring piece is installed and is comprised the following steps:
1) the 62nd, 63,64 3 layers of described bottoms are mould material, at middle part, the 62nd, 63,64 layers of refractory brick position, adopt Wicresoft's punching technology to bore the hole of long 60mm, diameter phi 14mm.Then squeeze into the expansion bolt of φ 12mm." Y " type anchoring piece that on expansion bolt, welding φ 12mm round steel is made, the about 50mm-60mm of spacing of its top with anchoring piece of the length of anchoring piece and windward side is advisable.
2) expansion bolt, anchoring piece adopt the heat-resistance stainless steel material of 0Cr25Ni20 (310S).Expansion bolt should be wrapped with the plastic colloidal cloth that thickness is 1mm while reaching the last with the anchoring piece cast.
3) boring is wanted slowly, installs after expansion bolt, anchoring piece the floating ash that should remove the brick face, at the brick face of pouring position, adopts high viscose glue body to be processed, and increases the associativity of mould material and refractory brick.
D) provide mould material and make casting material prefabricated brick
Described mould material is to be prepared by mullite silicon carbide, the raw material composition that described mould material contains following weight percent: aggregate 68～75%, matrix 23～30%, stainless steel heat-resistant fiber 1.5～2.0%, wherein aggregate partly contains following weight percent composition: high-purity low-iron mullite synthesizing 45～55%, superfine silicon carbide 12～16%, matrix partly contains following weight percent composition: high purity silica powder 5～9%, carbide fine powder 4～8%, rafifinal hydrochlorate 5～8%, active alpha-Al
20
34～6%; Identical size and the described mould material of profile according to former refractory brick, make casting material prefabricated brick, casting, maintenance and be baked to 300 ℃;
E) mould material is constructed and is built casting material prefabricated brick by laying bricks or stones
The two adjacent shore supports typified form schematic diagram that Fig. 4 is the embodiment of the present invention, the heat-resistance stainless steel plate that Fig. 5 is the embodiment of the present invention is squeezed into the schematic diagram of brickwork joint.
Mould material is constructed and is built casting material prefabricated brick by laying bricks or stones and comprises the following steps:
1) install template, adopt the wooden form that 20mm is thick to make pillar typified form 13, typified form 13 is arranged to the consistent size with former refractory brick marshalling, when typified form is installed, should be supported by two adjacent pillars 14;
2) described mould material is poured in described template, after mould material pours 1 hour, need the refractory brick of building by laying bricks or stones above placing on the cast charge level, so that the moulding of mould material upper surface, with the top refractory brick coupling of building by laying bricks or stones that needs, after moulding is complete, should take in time refractory brick away;
3) the mould material maintenance can be built refractory brick by laying bricks or stones after 48 hours on the cast charge level;
4) for the damage of every layer of brick of each slope air course masonry, the face brick windward of infringement is changed to repairerment, build by laying bricks or stones as the fissure of displacement;
5) before building casting material prefabricated brick 10 by laying bricks or stones, former masonry is cleaned totally, then water waters a little;
6) every layer while building casting material prefabricated brick 10 by laying bricks or stones, according to the elevation dimension of former masonry, built by laying bricks or stones, keep the level of masonry, avoid masonry downward-sloping, adopt the two-sided ash of beating while building by laying bricks or stones, and control the mortar plumpness of brickwork joint well;
7) foamed styrene of 2mm is laid at the Zhuan Gou position of every brick;
8) after the casting material prefabricated brick 10 of each slope air course is built by laying bricks or stones, if larger brickwork joint or loosening is arranged, previously prepd 140 * 100 * 2mm heat-resistance stainless steel plate 16 need be squeezed into to brickwork joint, can squeeze into described steel plate 2-3 piece on each slope air course pillar;
F) remove the furred ceiling supportive device
Remove chain block, wireline and cross the dome brick strut member, and screw block.
Complete thus the service work of dry coke quenching slope air course supporting brick.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (3)
1. a coke dry quenching slope air course supporting brick overhaul construction process is characterized in that comprising the following steps:
A) the furred ceiling supportive device is installed
With chain block, wireline with cross the dome brick strut member and make the ring-type suspender and draw high slope air course and cross dome brick top masonry, apply with the integral body of slope air course pillar upper, annular masonry deadweight opposite direction and lift prestress, and supported the dome brick bottom with screw block;
B) remove slope air course leg portion refractory brick
First remove loosening brick while removing the pillar brick, remove from top to bottom 63 layers from the 75th layer, adopt the Special drill machine to bore 2-3 hole at every block of charing silica brick and smash charing silica brick, take out the charing silica brick of dismounting;
C) slope air course pillar root anchoring piece is installed
Slope air course pillar root anchoring piece is installed to be comprised the following steps:
1) with Wicresoft's drilling method, the 62nd, 63,64 layers of refractory brick position drilled in middle length, be the hole that 60mm, diameter are 14mm;
2) squeeze into the expansion bolt of diameter 12mm in the hole of described diameter 14mm, " Y " type anchoring piece of making at described expansion bolt afterbody weld diameter 12mm round steel, wherein: the long 60mm of expansion bolt, the round steel of anchoring piece is long 130mm partly, the long 30mm of empennage, two 60 ° of empennage angles;
3) described expansion bolt is reached the last and the anchoring piece cast time should be wrapped with the plastic colloidal cloth that thickness is 1mm, installs after expansion bolt, anchoring piece the floating ash that should remove the brick face;
D) provide mould material and make casting material prefabricated brick
Described mould material is to be prepared by mullite silicon carbide, the raw material composition that described mould material contains following weight percent: aggregate 68～75%, matrix 23～30%, stainless steel heat-resistant fiber 1.5～2.0%, wherein aggregate partly contains following weight percent composition: high-purity low-iron mullite synthesizing 45～55%, superfine silicon carbide 12～16%, matrix partly contains following weight percent composition: high purity silica powder 5～9%, carbide fine powder 4～8%, rafifinal hydrochlorate 5～8%, active alpha-Al
20
34～6%; Identical size and the described mould material of profile according to former refractory brick, make casting material prefabricated brick, casting, maintenance and be baked to 300 ℃;
E) mould material is constructed and is built casting material prefabricated brick by laying bricks or stones
Mould material is constructed and is built casting material prefabricated brick by laying bricks or stones and comprises the following steps:
1) install template, adopt the wooden form that 20mm is thick to make the pillar typified form, typified form is arranged to the consistent size with former refractory brick marshalling, when typified form is installed, should be supported by two adjacent pillars;
2) described mould material is poured in described template, after mould material pours 1 hour, need the refractory brick of building by laying bricks or stones above placing on the cast charge level, so that the moulding of mould material upper surface, with the top refractory brick coupling of building by laying bricks or stones that needs, after moulding is complete, should take in time refractory brick away;
3) the mould material maintenance can be built refractory brick by laying bricks or stones after 48 hours on the cast charge level;
4) for the damage of every layer of brick of each slope air course masonry, the face brick windward of infringement is changed to repairerment, build by laying bricks or stones as the fissure of displacement;
5) before building casting material prefabricated brick by laying bricks or stones, former masonry is cleaned totally, then water waters a little;
6) every layer while building casting material prefabricated brick by laying bricks or stones, according to the elevation dimension of former masonry, built by laying bricks or stones, keep the level of masonry, avoid masonry downward-sloping, adopt the two-sided ash of beating while building by laying bricks or stones, and control the mortar plumpness of brickwork joint well;
7) foamed styrene of 2mm is laid at the Zhuan Gou position of every brick;
8) after the casting material prefabricated brick masonry of each slope air course, if larger brickwork joint or loosening is arranged, previously prepd 140 * 100 * 2mm heat-resistance stainless steel plate need be squeezed into to brickwork joint, can squeeze into described steel plate 2-3 piece on each slope air course pillar;
F) remove the furred ceiling supportive device
Remove chain block, wireline and cross the dome brick strut member, and screw block.
2. coke dry quenching slope air course supporting brick overhaul construction process as claimed in claim 1, is characterized in that, described c) expansion bolt in slope air course pillar root anchoring piece step, the heat-resistance stainless steel material that anchoring piece adopts 0Cr25Ni20 (310S) be installed;
3. coke dry quenching slope air course supporting brick overhaul construction process as claimed in claim 1, it is characterized in that described d) provide mould material in making casting material prefabricated brick, to add 4 heat-resisting reinforcing bar 0Cr25Ni20 of φ 10mm (310S) to do stiffening web with making in casting material prefabricated brick step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010116704 CN102191066B (en) | 2010-03-03 | 2010-03-03 | Coke dry quenching slope air course supporting brick overhaul construction process |
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|---|---|---|---|
| CN 201010116704 CN102191066B (en) | 2010-03-03 | 2010-03-03 | Coke dry quenching slope air course supporting brick overhaul construction process |
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| CN102191066B true CN102191066B (en) | 2013-12-25 |
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| CN1266084A (en) * | 2000-03-23 | 2000-09-13 | 上海宝钢集团公司 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
| CN101250414A (en) * | 2008-04-09 | 2008-08-27 | 唐山钢铁股份有限公司 | Restoring method for chute of dry quenching furnace |
| JP2008308529A (en) * | 2007-06-13 | 2008-12-25 | Jfe Steel Kk | Method for building/repairing coke dry quenching facility |
| CN101671569A (en) * | 2009-09-28 | 2010-03-17 | 莱芜钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
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| JP2746151B2 (en) * | 1994-04-15 | 1998-04-28 | 品川白煉瓦株式会社 | How to repair the suction column of coke dry fire extinguishing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266084A (en) * | 2000-03-23 | 2000-09-13 | 上海宝钢集团公司 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
| JP2008308529A (en) * | 2007-06-13 | 2008-12-25 | Jfe Steel Kk | Method for building/repairing coke dry quenching facility |
| CN101250414A (en) * | 2008-04-09 | 2008-08-27 | 唐山钢铁股份有限公司 | Restoring method for chute of dry quenching furnace |
| CN101671569A (en) * | 2009-09-28 | 2010-03-17 | 莱芜钢铁股份有限公司 | Integral casting construction process of dry quenching furnace |
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