CN107674689A - A kind of coke oven door cigarette sealing material and its encapsulating method - Google Patents
A kind of coke oven door cigarette sealing material and its encapsulating method Download PDFInfo
- Publication number
- CN107674689A CN107674689A CN201711169184.4A CN201711169184A CN107674689A CN 107674689 A CN107674689 A CN 107674689A CN 201711169184 A CN201711169184 A CN 201711169184A CN 107674689 A CN107674689 A CN 107674689A
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- CN
- China
- Prior art keywords
- sealing material
- coke oven
- oven door
- encapsulating method
- major ingredient
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B25/00—Doors or closures for coke ovens
- C10B25/02—Doors; Door frames
- C10B25/16—Sealing; Means for sealing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a kind of coke oven door cigarette sealing material, including major ingredient and additive；The component of the major ingredient includes in percentage by weight：Clay chamotte 88~92%；SILICA FUME 8~12%；The additive is calculated on the basis of the gross weight of above-mentioned major ingredient to be included：Waterglass 7~12%；Asbestos wool 15~25%；Coagulant 0.1~0.2%.Encapsulating method：Coal is installed in the carbonization chamber of fire door leakage number, after charging hole lid, bridge tube turnover panel and ammonia pressures return to normal production status, first remove fire door knife edge and the floating ash and impurity at firedoor frame gap position, the sealing material modulated is pressed into jointing in gap with jointing flat chisel again, after superficial layer is full, with scoop by sealing material surface it is floating, strike off, and be allowed in smoothing junction with knife-edge, firedoor frame joint.Sealed reliable.
Description
Technical field
The present invention relates to coke oven technical field, more particularly, to a kind of coke oven door cigarette sealing material and its encapsulating method.
Background technology
The machine of coke furnace carbonization chamber, burnt both sides are closed with fire door, and fire door leakage is one of primary pollution source of coke oven,
The difficult point and emphasis that coke oven inorganization diffuses improvement, the main reason for fire door leaks for fire door knife edge and firedoor frame sealing surface it
Between gap be present, carbonization chamber malleation can be such that substantial amounts of raw coke oven gas is escaped from knife-edge gap, not only pollute atmospheric environment, and coal gas
Catch fire oven frame and furnace stay, stove frame and furnace stay are deformed, are failed；Can be big from the inspiration of knife-edge gap during carbonization chamber negative pressure
Air is measured, not only coke ash increase, reductionization production yield rate and gas quality are deteriorated, and can burn up wall seam graphite, cause charcoal
Change room and combustion chamber blowby.Therefore, the tightness of fire door is most important.
At present, when gap be present between fire door knife edge and firedoor frame sealing surface and smolder, many coke-oven plant's yellow mud or straight
Connect with clay chamotte to block gap, problems be present：
(1) shrinkage is larger, easy to crack.Both materials do sealing material, with up shortly can solid shrinkage cracking, stove
Door sealing is bad, and fire door still can run away with fire and sparkling or suction air.
(2) bad adhesion, easily peel off.Both sealing materials are put in fire door knife edge seam and peeled off because of bad adhesion, rise not
To sealing effectiveness.
(3) it is poor compared with concrete dynamic modulus, compactness to exist.Because both materials are present compared with concrete dynamic modulus, compactness is poor, is heated in material
Cracking is produced afterwards, and sealing effectiveness is poor.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention be to provide a kind of coke oven door cigarette sealing material and
Its encapsulating method, to reach the purpose of sealed reliable.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of coke oven door cigarette sealing material, including major ingredient and additive；
The component of the major ingredient includes in percentage by weight：
Clay chamotte 88~92%；
SILICA FUME 8~12%；
The additive is calculated on the basis of the gross weight of above-mentioned major ingredient to be included：
Waterglass 7~12%；
Asbestos wool 15~25%；
Coagulant 0.1~0.2%.
Wherein, the raw clay powder in the clay chamotte accounts for 25~30% with people's amount.
The chemical composition of the clay chamotte is Al2O3>=45%, Fe2O3≤ 2.00%.
The granularity ＜ 0.077mm of the sealing material are 68~70%.
The granularity ＜ 0.1mm of the sealing material are 84~88%.
The granularity ＜ 0.5mm of the sealing material are≤98%.
The granularity of the sealing material is less than 1mm.
A kind of encapsulating method using the coke oven door cigarette sealing material：
Coal is installed in the carbonization chamber of fire door leakage number, charging hole lid, bridge tube turnover panel and ammonia pressures return to normal life
After occurrence state, fire door knife edge and the floating ash and impurity at firedoor frame gap position are first removed, then it is close by what is modulated with jointing flat chisel
Envelope material be pressed into jointing in gap, after superficial layer is full, with scoop by sealing material surface it is floating, strike off, and be allowed to knife-edge, stove
Doorframe joint is in smoothing junction.
As knife-edge gap smolders larger or when burning with anger, the high pressure ammonia water valve of the carbonization chamber bridge tube first can be unfolded into negative pressure
After eliminating run away with fire and sparkling, then sealing operation is carried out to gap, treat again slowly to close this number bridge tube high pressure ammonia water valve after the completion of operation
Close, revert to normal production status.
Layered compacting is used during the jointing.
The present invention compared with prior art, has advantages below：
1. the sealing material of the present invention has, adhesion property is good, compact structure and intensity are high, it is heated it is solid after flawless, no
It the advantages that peeling, using rear good sealing effect, can effectively prevent fire door knife edge gap run away with fire and sparkling, reduce raw coke oven gas to big compression ring
Pollution caused by border；
2. the sealing material of the present invention has the characteristics of easy to use, repairing speed is fast, materials save, efficiency high, application prospect
Extensively；
3. the use of the sealing material of the present invention can effectively improve oven door sealing effect, that is, prevent a large amount of raw coke oven gas of carbonization chamber
The waste of effusion, coal resource is improved, can prevent large quantity of air from entering carbonization chamber at fire door knife edge gap to body of heater again
Caused by infringement and reductionizations production yield rate, extension coke oven service life.
Embodiment
Below by the description to embodiment, the embodiment of the present invention is described in further detail.
The coke oven door cigarette sealing material, including major ingredient and additive；
The component of major ingredient includes in percentage by weight：
Clay chamotte 88~92%；
SILICA FUME 8~12%；
Additive is calculated on the basis of the gross weight of above-mentioned major ingredient to be included：
Waterglass 7~12%；
Asbestos wool 15~25%；
Coagulant 0.1~0.2%.
Wherein, the raw clay powder in clay chamotte accounts for 25~30% with people's amount.Waterglass presses Na2O14% is calculated.Clay fire
The chemical composition of mud is Al2O3>=45%, Fe2O3≤ 2.00%.
The Task-size Controlling of the coke oven door cigarette sealing material formed by said components exists：
| Granularity mm | ＜ 0.077 | ＜ 0.1 | ＜ 0.5 | ＜ 1 |
| % | 68~70 | 84~88 | ≤98 | 100 |
Encapsulating method is：
Coal is installed in the carbonization chamber of fire door leakage number, charging hole lid, bridge tube turnover panel and ammonia pressures return to normal life
After occurrence state, fire door knife edge and the floating ash and impurity at firedoor frame gap position are first removed, then it is close by what is modulated with jointing flat chisel
Envelope material is pressed into gap, uses layered compacting during jointing, after superficial layer is full, with scoop by sealing material surface it is floating, scrape
It is flat, and it is allowed in smoothing junction with knife-edge, firedoor frame joint.
As knife-edge gap smolders larger or when burning with anger, the high pressure ammonia water valve of the carbonization chamber bridge tube first can be unfolded into negative pressure
After eliminating run away with fire and sparkling, then sealing operation is carried out to gap, treat again slowly to close this number bridge tube high pressure ammonia water valve after the completion of operation
Close, revert to normal production status.
In the sealing material composition of the present invention, bonding agent is played a part of in the introducing of the raw clay powder in clay chamotte, makes close
The plasticity increase of envelope material, reduce the gas permeability and percentage of water loss of sealing material.
In the sealing material composition of the present invention, anti-piping compound is played a part of in the introducing of SILICA FUME, can be filled in the hole of sealing material
Gap, the porosity is reduced, be densified sealing material grain structure, effectively prevent from ftractureing after sealing material is heated.
In the sealing material composition of the present invention, the introducing of waterglass can increase the adhesive property of pug, have sealing material higher
Tack, prevent sealing material from peeling off；Introduce waterglass can make sealing material insert in knife-edge gap be heated after, precipitation can be made
Gel and sealing material quick-hardening at service temperatures, keep higher intensity.
The present invention sealing material composition in, the introducing of asbestos wool can prevent sealing material dry shrinkage and cracking from coming off, asbestos wool with it is micro-
Silica flour with the use of can further improve the compact structure and intensity of sealing material, prevent sealing material be heated it is solid after receive
Draw line, improve sealing effectiveness.
In the sealing material composition of the present invention, the introducing of coagulant makes to accelerate to condense after sealing material is heated and setting rate, carries
Compactness and intensity after the hardening of high sealing material.
Specifically example is：The raw material of each embodiment of sealing material of the present invention and its content, the master of percentage
Want technical performance index as listed in table 1.
Each implementation case row and performance in table 1
The sealing material of embodiment 1,2,3 can meet that the sealing in coke oven door cutting edge gap is used and required.It is long-term use of close
Envelope is reliable, is not in run away with fire and sparkling or suction air.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as the improvement of the various unsubstantialities of design and the technical scheme progress of the present invention is employed, or it is not improved by the present invention's
Design and technical scheme directly apply to other occasions, within protection scope of the present invention.
Claims (10)
- A kind of 1. coke oven door cigarette sealing material, it is characterised in that：Including major ingredient and additive；The component of the major ingredient includes in percentage by weight：Clay chamotte 88~92%；SILICA FUME 8~12%；The additive is calculated on the basis of the gross weight of above-mentioned major ingredient to be included：Waterglass 7~12%；Asbestos wool 15~25%；Coagulant 0.1~0.2%.
- 2. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：Raw clay powder in the clay chamotte matches somebody with somebody people Amount accounts for 25~30%.
- 3. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：The chemical composition of the clay chamotte is Al2O3 >=45%, Fe2O3≤ 2.00%.
- 4. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：The granularity ＜ 0.077mm of the sealing material are 68~70%.
- 5. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：The granularity ＜ 0.1mm of the sealing material are 84 ~88%.
- 6. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：The granularity ＜ 0.5mm of the sealing material for≤ 98%.
- 7. coke oven door cigarette sealing material as claimed in claim 1, it is characterised in that：The granularity of the sealing material is less than 1mm.
- A kind of 8. encapsulating method using the coke oven door cigarette sealing material as described in any one of claim 1 to 7, it is characterised in that： The encapsulating method is：Coal is installed in the carbonization chamber of fire door leakage number, charging hole lid, bridge tube turnover panel and ammonia pressures return to normal production shape After state, fire door knife edge and the floating ash and impurity at firedoor frame gap position, then the sealing material that will be modulated with jointing flat chisel are first removed Be pressed into jointing in gap, after superficial layer is full, with scoop by sealing material surface it is floating, strike off, and be allowed to knife-edge, firedoor frame Joint is in smoothing junction.
- A kind of 9. encapsulating method using the coke oven door cigarette sealing material as described in any one of claim 1 to 7, it is characterised in that： The encapsulating method is：As knife-edge gap smolders larger or when burning with anger, the high pressure ammonia water valve of the carbonization chamber bridge tube first can be unfolded into negative pressure and eliminated After run away with fire and sparkling, then sealing operation is carried out to gap, treated after the completion of operation again by this number bridge tube high pressure ammonia water valve slowly closing, it is extensive Again into normal production status.
- 10. encapsulating method as claimed in claim 8, it is characterised in that：Layered compacting is used during the jointing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169184.4A CN107674689A (en) | 2017-11-22 | 2017-11-22 | A kind of coke oven door cigarette sealing material and its encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169184.4A CN107674689A (en) | 2017-11-22 | 2017-11-22 | A kind of coke oven door cigarette sealing material and its encapsulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107674689A true CN107674689A (en) | 2018-02-09 |
Family
ID=61149210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711169184.4A Pending CN107674689A (en) | 2017-11-22 | 2017-11-22 | A kind of coke oven door cigarette sealing material and its encapsulating method |
Country Status (1)
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| CN (1) | CN107674689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979513A (en) * | 2020-07-28 | 2020-11-24 | 西安理工大学 | Preparation method of low-temperature boronized ductile cast iron wear-resistant surface |
| CN115353398A (en) * | 2022-08-23 | 2022-11-18 | 攀钢集团西昌钢钒有限公司 | Method for determining formula of regenerated sealing pug for coke oven door and sealing pug |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202688464U (en) * | 2012-06-19 | 2013-01-23 | 云南铝业股份有限公司 | Imbalanced thermal insulation lining structure of curved cathode aluminum electrolytic cell |
| CN104177053A (en) * | 2014-08-15 | 2014-12-03 | 北京宏远正达电力技术有限公司 | Heat/cold-insulation thermal-insulation material, and preparation method and application method thereof |
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2017
- 2017-11-22 CN CN201711169184.4A patent/CN107674689A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202688464U (en) * | 2012-06-19 | 2013-01-23 | 云南铝业股份有限公司 | Imbalanced thermal insulation lining structure of curved cathode aluminum electrolytic cell |
| CN104177053A (en) * | 2014-08-15 | 2014-12-03 | 北京宏远正达电力技术有限公司 | Heat/cold-insulation thermal-insulation material, and preparation method and application method thereof |
Non-Patent Citations (2)
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| 刘武镛: "《炼焦热工管理》", 31 January 2011, 冶金工业出版社 * |
| 谢刚等: "《工业硅及硅铁生产》", 31 January 2016, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979513A (en) * | 2020-07-28 | 2020-11-24 | 西安理工大学 | Preparation method of low-temperature boronized ductile cast iron wear-resistant surface |
| CN115353398A (en) * | 2022-08-23 | 2022-11-18 | 攀钢集团西昌钢钒有限公司 | Method for determining formula of regenerated sealing pug for coke oven door and sealing pug |
| CN115353398B (en) * | 2022-08-23 | 2023-08-11 | 攀钢集团西昌钢钒有限公司 | Determination method of coke oven door regenerated sealing pug formula and sealing pug |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Anhui city of Ma'anshan province Jiuhua Mountain Rain Road No. 8 Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
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| RJ01 | Rejection of invention patent application after publication |