CN106996698B - A kind of dismounting and discharge method of coke dry quenching furnace inner lining refractory - Google Patents
A kind of dismounting and discharge method of coke dry quenching furnace inner lining refractory Download PDFInfo
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- CN106996698B CN106996698B CN201610046960.0A CN201610046960A CN106996698B CN 106996698 B CN106996698 B CN 106996698B CN 201610046960 A CN201610046960 A CN 201610046960A CN 106996698 B CN106996698 B CN 106996698B
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- dry quenching
- coke dry
- quenching furnace
- furnace
- refractory
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1694—Breaking away the lining or removing parts thereof
Abstract
A kind of dismounting and discharge method of coke dry quenching furnace inner lining refractory, characterized by the following steps: a, remove equipment under coke dry quenching furnace, b, it determines coke dry quenching furnace shell gas cutting line, c, removes paragraph by paragraph, tear refractory material open after first tearing coke dry quenching furnace shell open, d, coke dry quenching furnace shell decomposition is hung, refractory material enters tank to ground surface platform, and e, water spray spill mist, and f, annular passage are removed, g, disposable dust remover refractory material is removed, and h, chute and cooling section refractory material are removed.The dismounting of coke dry quenching furnace inner lining refractory of the invention and discharge method have construction process for removing reasonable, easy to operate applicable, it improves efficiency, reduce labor intensity, make full use of furnace body discharging down going channel, safety and environmental protection, it substantially shortens the construction period and thoroughly gets rid of the advantages of landing stage of scaffold and transport channel are set up, construction cost are greatly reduced inside and outside furnace.
Description
Technical field
The present invention relates to a kind of Demolition Construction methods of coke oven corollary equipment, specifically, being that a kind of coke dry quenching furnace liner is resistance to
The dismounting and discharge method of fiery material.
Background technique
Coke dry quenching furnace is the equipment of the red coke of cooling coke oven.Since coke dry quenching furnace is energy-efficient, environment-protecting clean, national industrial policies are wanted
Ask domestic 4.3m and its above coke oven that must build matched coke dry quenching furnace equipment.Coke dry quenching furnace has obtained quick hair between nearly 30 years
Exhibition, since coke dry quenching furnace and its corollary equipment generation furnace life expire, in the eighties, the coke dry quenching furnace of construction will remove successively.It is dry to put out
Furnace is made of matched furnace body frame, elevator, charging apparatus, discharging device for coke, dedusting, boiler, circulating fan etc..It is domestic
Coke dry quenching furnace is the vertical groove body of circular cross-section, and furnace body shell uses steel plate and section steel manufacture, and upper part is charging fire door, upper cone,
Middle part is to prestore section, ring air duct and slope air course, and lower part is cooling section, lower cone and discharging device for coke.Two are provided on cooling section furnace skin
The inspection manhole of a about 1.2m*1.5m, away from ground level about 14m.Coke dry quenching furnace groove body inner lining refractory height generally exists
18.5 ~ 20m, weight is generally between 600~1100 tons.
Usual coke dry quenching furnace inner lining refractory dismounting is opposite sequence when being constructed using refractory material laying to carry out.?
Coke dry quenching furnace furnace roof installs electric block, and scaffold Demolition Construction platform is set up in furnace, set up outside furnace with furnace body 14m framework platform etc.
High refractory material transport channel；Manually in furnace on scaffold operating platform, inner lining refractory successively is removed by ring and is packed into
After in brick frame, by furnace roof electric block vertical transport to cooling section manhole, with trolley through 14m framework platform push to frame end
Portion is unloaded through the dedicated brick chute that unloads to ground.
General coke dry quenching furnace disposable dust remover refractory material method for dismounting is first to install wooden arch tire in vestibule portion, on arch tire
Jack is installed, loose key brick is pushed up from bottom to top come what is removed, then removes side wall and bottom refractory material again.In primary dedusting
Device vestibule portion sets up fortune brick channel and transports refractory material to coke dry quenching furnace tank body, through the vertical handling of furnace roof electric block to cooling
It is transported outward after Duan Renkong.
Conventional coke dry quenching furnace liner dismounting method seriously restricts construction speed, and effect is low, and large labor intensity, dust is big, deteriorates
Operating environment seriously affects operator's health；And it need to set up and remove in a large amount of furnaces and furnace external scaffolding constructing operation
Platform, heavy workload, measure materials are more, and construction cost is high, and take and tear open in platform and refractory material dismounting, and safety cannot be abundant
Guarantee.
Therefore the method for dismounting of known coke dry quenching furnace inner lining refractory there are problems that it is above-mentioned various inconvenient and.
Summary of the invention
The purpose of the present invention is to propose in a kind of furnace, vertical, horizontal transport the coke dry quenching furnace inner lining refractory outside furnace
Dismounting and discharge method.
It is another object of the present invention to propose a kind of dismounting of safe and environment-friendly, economic coke dry quenching furnace inner lining refractory
And discharge method.
To achieve the above object, the technical solution of the invention is as follows:
A kind of dismounting and discharge method of coke dry quenching furnace inner lining refractory, it is characterised in that the following steps are included:
A, equipment under coke dry quenching furnace is removed
It is vented residual coke in coke dry quenching furnace tank, vibra feeder, rotary seal valve, furnace body Flat Sluice below dismounting coke dry quenching furnace body
Door and adjusting rod, close basement hole with 20mm thick steel plate, get through discharge channel and interim stockyard for refractory material；
B, coke dry quenching furnace shell gas cutting line is determined
Add according to the permanent absolute altitude datum mark of coke dry quenching furnace refractory material laying figure and plant area, or according to annular on coke dry quenching furnace furnace skin
Strengthening tendons Board position releases refractory material brick plate elevation location in coke dry quenching furnace in the external side of coke dry quenching furnace, and then releases coke dry quenching furnace body
Furnace shell removes lateral gas cutting line, and lateral gas cutting line is on brick plate at 50-100mm, according to the lifting capacity of crane and liner fire resisting
Material removes height, releases each segment transverse direction gas cutting line respectively；The vertical gas cutting line of coke dry quenching furnace furnace shell, according to the actual situation by 0o,
90o, 180o, 270o unwrapping wire from the top down；Dry quenching furnace shell is divided into 4,2 or whole section dismountings according to the actual situation；
C, it removes paragraph by paragraph, tears refractory material open after first tearing coke dry quenching furnace shell open
Coke dry quenching furnace inner lining refractory is removed from the top down with coke dry quenching furnace body frame structure and platform, first tears coke dry quenching furnace shell open
It tears refractory material after body steel plate open, that is, removes after prestoring section coke dry quenching furnace shell, remove coke dry quenching furnace shell height >=1.5m, then remove corresponding
A section inner lining refractory is prestored, circulation downwards, remove downwards one by one paragraph by paragraph by platform；Coke dry quenching furnace frame structure and tank body, synchronize down
When drop dismounting to coke dry quenching furnace opening portion, disposable dust remover refractory material is first removed, then remove primary dedusting frame steel member and pot
Furnace, it is rear to remove chute and cooling section furnace shell and its refractory material；
D, coke dry quenching furnace shell decomposition is hung, and refractory material enters tank to ground surface platform
Due between coke dry quenching furnace furnace skin and inner lining refractory, having refractory fiber blanket heat insulation layer, gas cutting coke dry quenching furnace furnace
Skin makes coke dry quenching furnace furnace skin separate dismounting with inner lining refractory；The upper cone of coke dry quenching furnace has the spray paint of 50mm thickness, in spray paint
It is refractory fiber blanket between inner ring insulating brick, at the above 50mm of brick plate on the outside of coke dry quenching furnace upper cone portion furnace shell, laterally
Gas cutting separates coke dry quenching furnace cone with coke dry quenching furnace body, hangs coke dry quenching furnace body together with spray paint；Utilize coke dry quenching furnace lateral frame
Platform, or the inner lining refractory height removed as needed, set up simple encircling operating deck, and operator stands in outer side ring
On shape platform, safety rope is hung up, by coke dry quenching furnace inner lining refractory outside tank body into furnace, from top to bottom by crowbar work
Tool, is successively removed by ring；Refractory material puts into coke dry quenching furnace tank interior, unloads by cooling section, lower cone and drops down onto ground surface platform, fills
Vehicle outward transport；
E, water spray spills mist
When coke dry quenching furnace inner lining refractory is removed and is put into tank body, with Environmental-protecting dust-removing air-assisted type spraying machine, to furnace body
Water mist is sprayed in inner lining refractory and coke dry quenching furnace tank, soaks refractory material, is inhibited dust to drift and is flown upward；
F, annular passage is removed
Gas cutting removes coke dry quenching furnace furnace skin and furnace body platform and frame, tears inner ring open after first tearing outer ring refractory material open, first tore top open
It tears ring brick after brick open, is successively removed by ring；
G, disposable dust remover refractory material is removed
First remove water cold sleeve, format ash-valve, storage ash bucket and disposable dust remover subsider lower ash-valve refractory material and
Equipment installs refractory material and unloads brick chute in the position away from ground 3m high；At the top of disposable dust remover, with 3 2t chain blocks
Two sides H profile steel beam is linked together with wirerope, " H " type support steel beam gas cutting outside the arch springing refractory brick of side is removed, is led to
Then corridor portion arch brick removes shell iron sheet and steel structure branch on disposable dust remover vault since restraint forces releasing is collapsed to bottom surface
Frame is cleared up in arch brick and insulating brick fragment investment subsider, through refractory brick chute to ground；Finally remove primary dedusting vestibule portion
Side wall, bottom brick and subsider brick；
H, chute and cooling section refractory material are removed
Its construction method tears refractory material open after first removing furnace skin, refractory material enters tank warp with the dismounting for prestoring section in step c
Lower cone completes the dismounting of entire coke dry quenching furnace inner lining refractory to ground surface platform.
The dismounting of coke dry quenching furnace inner lining refractory of the invention and discharge method can also using technical measures below come
It further realizes.
Method above-mentioned, wherein lateral gas cutting coke dry quenching furnace shell, every section of height is preferably 1.5m, to facilitate furnace in the step b
Internal lining refractories are removed；Safe ready is removed according to Lifting Capacity and refractory material, or increases every section of height according to practical
Degree.
Method above-mentioned, wherein the upper cone dismounting of coke dry quenching furnace is hung, weight about 10t, coke dry quenching furnace furnace in the step d
When skin gas cutting separates, with the jack of 4 10t by after upper cone jack-up >=20mm of coke dry quenching furnace, just allow crane lifting point
From.
Method above-mentioned, wherein " H " type support steel beam of disposable dust remover skew block side is removed in the step g,
" H " type support steel beam, which is displaced outwardly, must not exceed 100mm；It is evenly distributed at furnace roof 3 with 3 2t chain blocks, constraint gas cutting breaks
The moving distance of " H " type support steel beam outward.
After adopting the above technical scheme, the dismounting of coke dry quenching furnace inner lining refractory of the invention and discharge method are with following
Advantage:
1, construction process for removing is reasonable, easy to operate applicable, improves efficiency, reduces labor intensity；
2, furnace body discharging down going channel is made full use of, safety and environmental protection substantially shortens the construction period；
3, the landing stage of scaffold and transport channel inside and outside furnace thoroughly are got rid of to set up, construction cost is greatly reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram of the coke dry quenching furnace removal refractory brick of the embodiment of the present invention；
Fig. 2 is the coke dry quenching furnace inner lining refractory construction process for removing flow chart of the embodiment of the present invention.
In figure: 1 brick plate, 2 upper cones, 3 lower cones, 4 gas supply umbrella covers, 5 cross air ducts, 6 opening portion partition walls.
Specific embodiment
With reference to embodiments and its attached drawing further explains the present invention.
Embodiment 1
It is the schematic diagram of the coke dry quenching furnace removal refractory brick of the embodiment of the present invention referring now to Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is this
The coke dry quenching furnace inner lining refractory construction process for removing flow chart of inventive embodiments.
Coke dry quenching furnace inner lining refractory of the invention is removed and discharge method, comprising the following steps:
A, equipment under furnace is removed
It is vented residual coke in coke dry quenching furnace tank, vibra feeder, rotary seal valve, furnace body plate below dismounting dry coke quenching furnace body
Gate, adjusting rod etc. close basement hole with the steel plate of 20mm thickness；This gets through discharge channel and temporary heap for refractory material
?.
B, furnace shell gas cutting line is determined
According to the permanent absolute altitude datum mark of coke dry quenching furnace refractory material laying figure and plant area (or according to ring stiffener plate on furnace skin
Position), in the external side of coke dry quenching furnace, refractory material brick plate elevation location in furnace is released, and then release furnace body furnace shell and remove laterally
(high to) gas cutting line (50-100mm on brick plate) is removed height according to the lifting capacity of crane and inner lining refractory, is put respectively
Each segment height is to gas cutting line out；The vertical gas cutting line of coke dry quenching furnace furnace shell, according to the actual situation by 0o, 90o, 180o, 270o on to
Furnace shell is divided into 4,2 or whole section dismountings according to the actual situation by lower unwrapping wire.Lateral gas cutting is dry to put out shell, and every section of height is suitable
It for 1.5m, is removed for convenience of furnace lining refractory material, safe ready is removed according to Lifting Capacity and refractory material, it can be factually
Increase height；Lateral (high to) gas cutting line on brick plate, distance is preferably in 50 ~ 100mm；The vertical gas cutting of coke dry quenching furnace furnace micromicro is at several pieces
Decomposition is hung, can also factually whole section hang dismounting.
C, it removes paragraph by paragraph, first furnace shell refractory
Coke dry quenching furnace inner lining refractory is removed from the top down with furnace body frame structure and platform, tears fire resisting open after first tearing furnace shell open
Material that is, after dismounting primary reformer shell (height about 1.5m), then removes corresponding this section of inner lining refractory, and circulation is downward, paragraph by paragraph
It is removed downwards by platform；Coke dry quenching furnace frame structure and tank body when synchronous dismounting drops to coke dry quenching furnace opening portion, are first removed primary
Deduster refractory material, then primary dedusting frame steel member and boiler are removed, it is rear to remove chute and cooling section furnace shell and its fire resisting
Material.
D, furnace shell decomposition is hung, and refractory material enters tank to ground
Due between coke dry quenching furnace furnace skin and inner lining refractory, there is a refractory fiber blanket heat insulation layer, therefore gas cutting furnace skin, it can
It is separated into dismounting with inner lining refractory.Coke dry quenching furnace upper cone has the spray paint of 50mm thickness, in spray paint and inner ring insulating brick
Between be refractory fiber blanket, therefore can be on the outside of cone portion furnace shell, at the above 50mm of brick plate, lateral gas cutting is by itself and furnace body point
From hanging furnace body together with spray paint；It is (or high according to the inner lining refractory that need to remove using coke dry quenching furnace lateral frame platform
Degree, sets up simple encircling operating deck), operator station on ring-shaped platform, hangs up safety rope on the outside, and coke dry quenching furnace liner is resistance to
Fiery material into furnace, from top to bottom by tools such as crowbars, is successively removed outside tank body by ring；Refractory material puts into coke dry quenching furnace
Tank interior unloads through cone bucket under cooling section and drops down onto ground surface platform, entrucking outward transport；The whole section of dismounting of furnace body cone portion is hung, and weight is about
10t when furnace skin gas cutting separates, after furnace body cone portion is jacked up 20mm or so with the jack of 4 10t, just allows crane lifting
Separation.
E, water spray spills mist
It removes and is put into tank body in furnace lining refractory material, with Environmental-protecting dust-removing air-assisted type spraying machine, to furnace lining
Water mist is sprayed in refractory material and coke dry quenching furnace tank, wetting refractory material inhibition dust, which drifts, to fly upward.
F, annular passage is removed
Gas cutting removes coke dry quenching furnace furnace skin and furnace body platform and frame, tears inner ring open after first tearing outer ring refractory material open, first tore top open
It tears ring brick after brick open, is successively removed by ring.
G, disposable dust remover refractory material is removed
First remove water cold sleeve, format ash-valve, storage ash bucket and disposable dust remover subsider lower ash-valve refractory material and
Brick chute is unloaded in equipment, installation (away from ground 3m)；At the top of disposable dust remover, with 3 2t chain blocks and wirerope by two sides H-type
Girder steel links together (relaxed length 100mm), then removes the H-type support steel beam gas cutting outside the skew block of side, vestibule portion
Arch brick will collapse to its bottom surface since restraint forces release, then remove shell iron sheet and steel structure branch on disposable dust remover vault
Frame is cleared up in arch brick and insulating brick fragment investment subsider, through chute to ground；Then remove primary dedusting vestibule portion side wall,
Bottom brick and subsider brick.The support H girder steel of disposable dust remover skew block side is removed, girder steel, which is displaced outwardly, must not exceed
100mm releases arch brick restraining force enough, leads it and collapse.It is evenly distributed at furnace roof 3 with 3 2t chain blocks, constrains gas cutting
The moving distance of disconnected H-type outward.
H, chute and cooling section refractory material are removed
Its construction method is same as prestoring section dismounting, i.e., tears refractory material open after first removing furnace skin, refractory material enters tank through lower cone
Bucket completes the dismounting of entire coke dry quenching furnace inner lining refractory to ground surface platform.
The present invention has substantive distinguishing features and significant technological progress, the dismounting of coke dry quenching furnace inner lining refractory of the invention
And discharge method makes full use of coke dry quenching furnace body discharging down going channel, safety and environmental protection substantially shortens the construction period.
The dismounting of coke dry quenching furnace inner lining refractory of the invention and discharge method were thrown in 2013 in certain coke-oven plant's eighties
It produces and is used in dry coke quenching equipment facility whole projects so far, shift to an earlier date the duration 12 days than former method for dismounting, save scaffold tubes
160t；It greatly reduces inner lining refractory material and removes cost, thoroughly get rid of the scaffold operating platform needed for resistance to material is removed in furnace；
Greatly improve dismounting efficiency, shorten remove the duration, reduce labor intensity, reduce dust injury, realize civilization,
Environmental protection, economic dismounting, achieve good economic benefit and social benefit.
Above embodiments are used for illustrative purposes only, rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution also should belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of dismounting and discharge method of coke dry quenching furnace inner lining refractory, it is characterised in that the following steps are included:
A, equipment under coke dry quenching furnace is removed
Be vented coke dry quenching furnace tank in residual coke, remove coke dry quenching furnace body below vibra feeder, rotary seal valve, furnace body bulkhgead gate and
Adjusting rod, closes basement hole with 20mm thick steel plate, gets through discharge channel and interim stockyard for refractory material；
B, coke dry quenching furnace shell gas cutting line is determined
According to the permanent absolute altitude datum mark of coke dry quenching furnace refractory material laying figure and plant area, or according to ring stiffener plate on coke dry quenching furnace skin
Position releases refractory material brick plate elevation location in coke dry quenching furnace in the external side of coke dry quenching furnace, releases coke dry quenching furnace body furnace shell and remove cross
To gas cutting line, lateral gas cutting line at 50-100mm, is removed high on brick plate according to the lifting capacity of crane and inner lining refractory
Degree, releases each segment transverse direction gas cutting line respectively；The vertical gas cutting line of coke dry quenching furnace furnace shell, according to the actual situation by 0o, 90o, 180o,
270o unwrapping wire from the top down, and dry quenching furnace shell is divided into 4,2 or whole section dismountings；
C, it removes paragraph by paragraph, tears refractory material open after first tearing coke dry quenching furnace shell open
Coke dry quenching furnace inner lining refractory is removed from the top down with coke dry quenching furnace body frame structure and platform, is torn open after first tearing coke dry quenching furnace shell open
Refractory material is removed after prestoring section coke dry quenching furnace shell, removes coke dry quenching furnace shell height >=1.5m, then removes and prestore a section liner accordingly
Refractory material, circulation downwards, remove downwards one by one paragraph by paragraph by platform；Coke dry quenching furnace frame structure and tank body, synchronous decline are removed to dry
When putting out furnace opening portion, disposable dust remover refractory material is first removed, then remove primary dedusting frame steel member and boiler, it is rear to remove tiltedly
Road and cooling section furnace shell and its refractory material；
D, coke dry quenching furnace shell decomposition is hung, and refractory material enters tank to ground surface platform
Due to there is refractory fiber blanket heat insulation layer between coke dry quenching furnace skin and inner lining refractory, gas cutting coke dry quenching furnace skin makes coke dry quenching furnace
Skin separates dismounting with inner lining refractory；The upper cone of coke dry quenching furnace has the spray paint of 50mm thickness, in spray paint and inner ring insulating brick
Between be refractory fiber blanket, at the above 50mm of brick plate on the outside of coke dry quenching furnace upper cone portion furnace shell, lateral gas cutting is by coke dry quenching furnace
Cone is separated with coke dry quenching furnace body, hangs coke dry quenching furnace body together with spray paint；Using coke dry quenching furnace lateral frame platform, or according to need
The inner lining refractory height of dismounting, sets up simple encircling operating deck, and operator station on ring-shaped platform, hangs up peace on the outside
Quan Sheng successively removes coke dry quenching furnace inner lining refractory outside tank body into furnace, from top to bottom by crowbar tool by ring；
Refractory material puts into coke dry quenching furnace tank interior, unloads by cooling section, lower cone and drops down onto ground surface platform, entrucking outward transport；
E, water spray spills mist
It is resistance to furnace lining with Environmental-protecting dust-removing air-assisted type spraying machine when coke dry quenching furnace inner lining refractory is removed and is put into tank body
Water mist is sprayed in fiery material and coke dry quenching furnace tank, wetting refractory material inhibition dust, which drifts, to fly upward；
F, annular passage is removed
Gas cutting removes coke dry quenching furnace furnace skin and furnace body platform and frame, inner ring is torn open after first tearing outer ring refractory material open, after first tearing dome brick open
It tears ring brick open, is successively removed by ring；
G, disposable dust remover refractory material is removed
Water cold sleeve, format ash-valve, storage ash bucket and disposable dust remover subsider lower ash-valve refractory material and equipment are first removed,
Brick chute is unloaded in the position installation refractory brick away from ground 3m；It, will with 3 2t chain blocks and wirerope at the top of disposable dust remover
Two sides H profile steel beam links together, by outside the arch springing refractory brick of side " H " type support steel beam gas cutting remove, vestibule portion arch brick by
It collapses in restraint forces releasing to bottom surface, then removes shell iron sheet and steel structure bracket on disposable dust remover vault, clear up arch brick
And in insulating brick fragment investment subsider, through refractory brick chute to ground；Finally remove primary dedusting vestibule portion side wall, bottom brick and
Subsider brick；
H, chute and cooling section refractory material are removed
Its construction method tears refractory material open after first removing furnace skin, refractory material enters tank through lower cone with the dismounting for prestoring section in step c
Body completes the dismounting of entire coke dry quenching furnace inner lining refractory to ground surface platform.
2. the dismounting and discharge method of coke dry quenching furnace inner lining refractory as described in claim 1, which is characterized in that the step
In b, lateral gas cutting coke dry quenching furnace shell, every section of height is preferably 1.5m, to facilitate furnace lining refractory material to remove；According to Lifting Capacity
Safe ready is removed with refractory material, or increases every section of height according to practical.
3. the dismounting and discharge method of coke dry quenching furnace inner lining refractory as described in claim 1, which is characterized in that the step
In d, the upper cone dismounting of coke dry quenching furnace is hung, and weight about 10t will be done when coke dry quenching furnace skin gas cutting separates with the jack of 4 10t
After putting out upper cone jack-up >=20mm of furnace, just crane lifting is allowed to separate.
4. the dismounting and discharge method of coke dry quenching furnace inner lining refractory as described in claim 1, which is characterized in that the step
In g, " H " type support steel beam of disposable dust remover skew block side is removed, " H " type support steel beam, which is displaced outwardly, must not exceed
100mm；It is uniformly pulled at furnace roof (3) with 3 2t chain blocks, the shifting of disconnected " H " the type support steel beam of constraint gas cutting outward
Dynamic distance.
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| CN108253795A (en) * | 2017-12-29 | 2018-07-06 | 南京钢铁股份有限公司 | A kind of industry oven refractory method for dismounting |
| CN111426200B (en) * | 2020-03-23 | 2021-10-01 | 五冶集团上海有限公司 | Maintenance method for refractory lining of charge level indicator of dry quenching furnace |
| CN113684042A (en) * | 2021-08-26 | 2021-11-23 | 攀钢集团工程技术有限公司 | Method for replacing cross air duct of coke dry quenching furnace |
| CN117300516B (en) * | 2023-10-26 | 2024-02-02 | 山东金泰高温材料有限公司 | Tapping equipment for hard press-in repair of blast furnace lining and lining repair method |
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| 加热炉耐材拆除技术;刘冬洋;《科技风》;20150430(第10期);86 * |
| 干熄炉炉衬中修施工技术;任社安;《工业建筑》;20110731;第41卷(第S1期);1113-1115 * |
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