CN106010588A - Smoking treatment method of large-capacity coke oven door frame - Google Patents
Smoking treatment method of large-capacity coke oven door frame Download PDFInfo
- Publication number
- CN106010588A CN106010588A CN201610346401.1A CN201610346401A CN106010588A CN 106010588 A CN106010588 A CN 106010588A CN 201610346401 A CN201610346401 A CN 201610346401A CN 106010588 A CN106010588 A CN 106010588A
- Authority
- CN
- China
- Prior art keywords
- coke oven
- firedoor frame
- frame
- coke
- smoldered
- 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
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Classifications
-
- 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
-
- 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
-
- 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
- C10B43/00—Preventing or removing incrustations
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a smoking treatment method of a large-capacity coke oven door frame. The smoking of a gap between the coke oven door frame and a protecting plate is effectively treated on line by standardizing the gap between the coke oven door frame and the protecting plate, standardizing the thermal regulation, ensuring the stable operation of door taking mechanisms of a coke pusher and a coke-barrier car, and standardizing the coke oven production process operation. The smoking of the gap between the coke oven door frame and the protecting plate is effectively treated on line by using the smoking treatment method provided by the invention, and the smoking treatment method has a reference significance in the smoking treatment of the coke oven door frame.
Description
Technical field
The present invention relates to a kind of coking technology, specifically, the firedoor frame relating to a kind of large capacity coke oven is smoldered
Processing method.
Background technology
Further severe along with Environmental Protection Situation, coal chemical enterprise is for the economic input of coke oven smoke treatment and new
The application of technology and equipment thereof improves the most accordingly, the environmental issue related to solve coke oven to produce.
There is gap between firedoor frame and the protection board of coke oven, unavoidably there is the problem smoldered.In order to
Stopping the environmental protection hidden danger that coke oven door frame is smoldered, each coal chemical enterprise all can be carried out according to self coke oven situation
Line control.
Method one, uses the online mode changing firedoor frame to smolder to eliminate firedoor frame.But replacing firedoor frame
The condition needed is higher, operation is complicated and there is bigger potential safety hazard, does not reaches former because of pressurization after replacing
Beginning state, thus general it is not recommended that change firedoor frame online.
Method two, is used the tightest method, or is administered by strict production and equipment control
Firedoor frame is smoldered.But, this method can only reduce firedoor frame and smolder, it is impossible to stops firedoor frame and smolders existing
The generation of elephant.
So for coke oven door frame smoke event, single prior art means cannot be effected a radical cure always.
Summary of the invention
Technical problem solved by the invention is to provide the firedoor frame of a kind of large capacity coke oven and smolders process side
Method so that the firedoor frame of coke oven and protection board gap smolder and be able to online effectively improvement.
Technical scheme is as follows:
The firedoor frame of a kind of large capacity coke oven is smoldered processing method, by specification firedoor frame and protection board gap,
Specification thermal regulation, the stable operation guaranteeing the Qu Men mechanism of pusher machine and coke guide and specification coke oven are raw
Production. art operates so that the firedoor frame of coke oven and protection board gap smolder and be able to online effectively improvement.
Further: specification firedoor frame includes with protection board gap: to carry out tight stove frame by fill plug seal material；
Encapsulant uses a diameter of dustless asbestos cord of φ 2mm and dispensing, and dispensing includes according to percentage by weight:
Clay 40～50%, fine iron breeze 40～50%, 10～20% waterglass, the usage amount of water is dispensing gross weight
Amount 20～40%, dispensing put into water formed mud, sealing asbestos cord soaks more than 12 hours in water；
Make regular check on the gib headed bolt adjusting the number of smoldering, be found to have loosening first fastening, have and compress inefficacy
Butterfly spring to be changed in time；When coking needs to open fire door latter stage, first cleaning out the stone of place's scaling loss of smoldering
Cotton cord, clears up the degree of depth≤3cm, does filling with soaked sealing asbestos cord and processes, it is ensured that seals and use
The intensity of asbestos cord filling wants height, leaving the space of 4～6mm in case smearing fine ore, smearing after filling
Mend fine ore time it should be noted that after smearing benefit mineral aggregate height must not protrude from firedoor frame and protection board, be then shut off
Fire door, adjusts the gib headed bolt at fastening filling position again.
Further: specification thermal regulation includes: by measuring bottom of carbonization chamber pressure, it is ensured that at the bottom of carbonization chamber
Portion's pressure is 0～5Pa in coking latter stage, determines that collecting main pressure is 130～140Pa, gentle according to season
The difference waited can consider ± the adjusting range of 5Pa；The suction of whole heating system each point controls to want in time
Accurately, to ensure that peephole pressure is necessary for 0-5Pa；Standard temperature requires mean flue temperature day coefficient of uniformity
>=0.90, stabilize coefficient >=0.90 day, and high/low temperature heat (batch) number can not be beyond ± 30 DEG C；Stove cross wall temperature system entirely
Number >=0.90；Control end flue temperature at 1050～1200 DEG C.
Further: to guarantee the stable operation of the Qu Men mechanism of pusher machine, coke guide, including: take a machine
Put forward the perpendicularity of gate stop and meet≤5mm with gradient front and back, above carry gate stop, under put forward the public affairs of gate stop spacing
Difference≤10mm；Taking a rotation one-time-reach-place, and pan hook do not scraped by fire door, before and after meeting rotation, angle is at 90 °,
Tolerance≤3 °.
Further: to guarantee that pusher machine, coke guide take each spacing reliability of door, it is ensured that coke oven is not caused
Impact and shock；Wanting accurately for vehicle counterpoint mark, when requiring to stop, band-type brake is sensitive simultaneously, stops
When taking opposite house, vehicle rocks.
Further: the operation of specification coke oven production technology includes: to perform coke oven and fill coal system, it is ensured that fill
Coal, deviation≤1% of theoretical furnace coal weight, it is to avoid the furnace head bit space temperature mistake caused because of unfilled corner of coalingging
High；Ensure coke oven organization of production COEFFICIENT K 3 >=0.85, coke oven is produced and delays the heat (batch) number more than 30min
Take the measure that odd numbers is dull, stop coke overdo, end flue temperature too high between firedoor frame and protection board
The impact of gap encapsulant；Firedoor frame circulation in 4 days cleans once, it is ensured that fire door, stove frame clean, coke oven
Machinery is smooth and easy when taking opposite house, stove frame is not produced mechanical shock.
Compared with prior art, the technology of the present invention effect includes:
1, the use of the present invention so that the firedoor frame of coke oven and protection board gap smolder and be able to effectively control online
Reason, has reference significance for the improvement of smoldering of the firedoor frame of coke oven.
2, for application effect, the firedoor frame of large capacity coke oven smolders that difficulty of governance is burnt big, cycle length and
There is repeatability, after system specifications administering method and science perform control measures, improve the fire door of coke oven
The regulation effect that frame is smoldered, after this technology governance of life-time service, firedoor frame smoke event is effectively administered,
Its effectiveness coefficient can reach more than 0.95, and the firedoor frame smoke and dust treatment of coke oven is had directive significance, right
Coal chemical enterprise efforts at environmental protection are significant.
3, for application benefit, equipment loss and coal gas that smoldering by annual every coke oven catches fire causes are let out
Leakage benefit about 350,000 yuan/year, the environmental pollution caused but effective improvement firedoor frame is smoldered, promote coke oven behaviour
Making management level, the social benefit highlighted is bigger.
Detailed description of the invention
Below with reference to preferred embodiment, technical solution of the present invention is elaborated.
For the difficulty overcoming coke oven door frame to change online, and effectively administer coke oven door frame and smolder problem.
The present invention smolders to administer for large capacity coke oven firedoor frame and has done the specification of science and systematic analysis,
By specification firedoor frame and protection board gap, specification thermal regulation, guarantee pusher machine and coke guide take door
The stable operation of mechanism and the operation of specification coke oven production technology so that the firedoor frame of coke oven and protection board gap
Smolder and be able to online effectively improvement.
1, specification firedoor frame and protection board gap.
(1) tight stove frame is carried out by fill plug seal material.
Encapsulant uses a diameter ofDustless asbestos cord and dispensing, dispensing is according to percentage by weight bag
Include: clay 40～50%, fine iron breeze 40～50%, 10～20% waterglass, the usage amount of water is dispensing
The 20 of gross weight～40% (this preferred embodiment is 30%), dispensing is put into water and is formed mud, seals and uses
Asbestos cord soaks more than 12 hours in water.
(2) make regular check on the gib headed bolt of the adjustment number of smoldering, be found to have loosening first fastening, have pressure
The tight butterfly spring lost efficacy to be changed in time.
(3) when coking needs to open fire door latter stage, the asbestos cord of place's scaling loss of smoldering first is cleaned out, clearly
The reason degree of depth≤3cm, does filling with soaked sealing asbestos cord and processes, it is ensured that sealing asbestos cord is filled out
The intensity of plug wants height, to leave after filling, the space of 4～6 secret (this preferred embodiment is 5mm) in case
Smearing fine ore, when smearing benefit fine ore it should be noted that after smearing benefit, mineral aggregate height must not protrude from firedoor frame and guarantor
Backplate, is then shut off fire door.Again adjust the gib headed bolt at fastening filling position.
2, specification thermal regulation.
(1) by measuring bottom of carbonization chamber pressure, it is ensured that bottom of carbonization chamber pressure coking be latter stage micro-just
Pressure (0～5Pa), determines that collecting main pressure is 130～140Pa, can examine according to the difference of season and weather
The adjusting range of worry ± 5Pa.
(2) suction of whole heating system each point controls accurate in time, necessary to ensure peephole pressure
For pressure-fired (0-5Pa).
(3) perform the scientific and rational standard temperature of coke oven, it is desirable to mean flue temperature day coefficient of uniformity >=0.90,
Day stable coefficient >=0.90, and high/low temperature heat (batch) number can not be beyond ± 30 DEG C；Full stove cross wall temperature coefficient >=0.90；
Control end flue temperature and run (1050～1200 DEG C) at low level.
3, the stable operation of the Qu Men mechanism of pusher machine, coke guide is guaranteed.
(1) perpendicularity carrying gate stop taking a machine must is fulfilled for≤5mm with gradient front and back.
(2) carry on gate stop, under put forward the spacing of gate stop must precisely, tolerance≤10mm.
(3) take the necessary one-time-reach-place of a rotation, and pan hook do not scraped by fire door, meet angle before and after rotating and exist
90 °, tolerance≤3 °.
In addition, it is necessary to guarantee that pusher machine, coke guide take each spacing reliability of door, it is ensured that coke oven is not caused
Impact and shock.Wanting accurately for vehicle counterpoint mark, when requiring to stop, band-type brake is sensitive simultaneously, stops
When taking opposite house, vehicle rocks.
4, specification coke oven production technology operation.
(1) coal system filled by strict implement coke oven, it is ensured that fill coal, deviation≤1% of theoretical furnace coal weight,
Avoid the furnace head bit space temperature caused because of unfilled corner of coalingging too high.
(2) coke oven organization of production COEFFICIENT K is ensured3>=0.85, coke oven is produced and delays more than 30min
The heat (batch) number measure of taking odd numbers dull (optionally turn down heating gas valve；Reduce correspondence wind gate cover
Plate；If entirety delays needs reduces full stove heating gas amount and point flue suction force in time), stop coke mistake
Fire, end flue temperature are too high for firedoor frame and the impact of protection board clearance seal material.
(3) conscientiously implement coke oven door frame and clean system, it is ensured that firedoor frame circulation in 4 days cleans once, protects
Card fire door, stove frame cleaning, coke over machinery taking, opposite house time smooth and easy, stove frame is not produced mechanical shock.
Claims (6)
1. the firedoor frame of a large capacity coke oven is smoldered processing method, it is characterised in that: by specification stove
Doorframe and protection board gap, specification thermal regulation, guarantee the stablizing of Qu Men mechanism of pusher machine and coke guide
Run and the operation of specification coke oven production technology so that the firedoor frame of coke oven is smoldered with protection board gap and is able to
Online effectively improvement.
2. as claimed in claim 1 the firedoor frame of large capacity coke oven is smoldered processing method, it is characterised in that:
Specification firedoor frame includes with protection board gap: carry out tight stove frame by fill plug seal material；Encapsulant is adopted
With a diameter ofDustless asbestos cord and dispensing, dispensing includes according to percentage by weight: clay 40～50%,
Fine iron breeze 40～50%, 10～20% waterglass, the usage amount of water is the 20～40% of dispensing gross weight,
Dispensing is put into water and is formed mud, and sealing asbestos cord soaks more than 12 hours in water；Make regular check on adjustment
The gib headed bolt of the number of smoldering, is found to have loosening first fastening, and the butterfly spring having compression to lose efficacy will the most more
Change；When coking needs to open fire door latter stage, first cleaning out the asbestos cord of place's scaling loss of smoldering, cleaning is deep
Degree≤3cm, does filling with soaked sealing asbestos cord and processes, it is ensured that sealing asbestos cord is clogged
Intensity wants height, to leave the space of 4～6mm in case smearing fine ore after filling, wants when smearing benefit fine ore
Noting, after smearing benefit, mineral aggregate height must not protrude from firedoor frame and protection board, is then shut off fire door, again adjusts
The gib headed bolt at whole fastening filling position.
3. as claimed in claim 1 the firedoor frame of large capacity coke oven is smoldered processing method, it is characterised in that:
Specification thermal regulation includes: by measuring bottom of carbonization chamber pressure, it is ensured that bottom of carbonization chamber pressure is in coking
Latter stage is 0～5Pa, determines that collecting main pressure is 130～140Pa, the most permissible according to season and weather
The adjusting range of consideration ± 5Pa；The suction of whole heating system each point controls accurate in time, to ensure
Peephole pressure is necessary for 0-5Pa；Standard temperature requires mean flue temperature day coefficient of uniformity >=0.90, and day stabilizes
Coefficient >=0.90, and high/low temperature heat (batch) number can not be beyond ± 30 DEG C；Full stove cross wall temperature coefficient >=0.90；Control
End flue temperature is at 1050～1200 DEG C.
4. as claimed in claim 1 the firedoor frame of large capacity coke oven is smoldered processing method, it is characterised in that:
Guarantee the stable operation of the Qu Men mechanism of pusher machine, coke guide, including: take a machine carries the vertical of gate stop
Degree meets≤5mm with gradient front and back, above carry gate stop, under carry the tolerance≤10mm of gate stop spacing；
Taking a rotation one-time-reach-place, and pan hook do not scraped by fire door, before and after meeting rotation, angle is at 90 °, tolerance≤3 °.
5. as claimed in claim 4 the firedoor frame of large capacity coke oven is smoldered processing method, it is characterised in that:
Guarantee that pusher machine, coke guide take each spacing reliability of door, it is ensured that coke oven do not impacted and clash into；
Wanting accurately for vehicle counterpoint mark, when requiring to stop, band-type brake is sensitive simultaneously, vehicle when stopping to take opposite house
Rock.
6. as claimed in claim 1 the firedoor frame of large capacity coke oven is smoldered processing method, it is characterised in that:
The operation of specification coke oven production technology includes: performs coke oven and fills coal system, it is ensured that filling coal, theory enters stove
Deviation≤1% of coal amount, it is to avoid the furnace head bit space temperature caused because of unfilled corner of coalingging is too high；Ensure coke oven
Organization of production COEFFICIENT K 3 >=0.85, delays the heat (batch) number more than 30min for coke oven production and takes odd numbers dull
Measure, stop coke overdo, end flue temperature too high for firedoor frame and protection board clearance seal material
Impact；Firedoor frame circulation in 4 days cleans once, it is ensured that fire door, stove frame clean, and coke over machinery is taking opposite house
Shi Shunchang, does not produces mechanical shock to stove frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346401.1A CN106010588B (en) | 2016-05-23 | 2016-05-23 | The firedoor frame of large capacity coke oven is smoldered processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346401.1A CN106010588B (en) | 2016-05-23 | 2016-05-23 | The firedoor frame of large capacity coke oven is smoldered processing method |
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| CN106010588A true CN106010588A (en) | 2016-10-12 |
| CN106010588B CN106010588B (en) | 2019-06-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728129A (en) * | 2017-04-20 | 2018-11-02 | 五冶集团上海有限公司 | A kind of coke oven door frame airtight and watertight padding installation method |
| CN111187631A (en) * | 2019-09-29 | 2020-05-22 | 马鞍山钢铁股份有限公司 | Repair material for mouth structure of coke oven machine and use method thereof |
| CN112210391A (en) * | 2020-09-28 | 2021-01-12 | 马鞍山钢铁股份有限公司 | Method for filling gap between coke oven door frame and protective plate |
| CN113293011A (en) * | 2021-05-31 | 2021-08-24 | 马鞍山钢铁股份有限公司 | Coke oven head sealing masonry structure and masonry method thereof |
| CN114540047A (en) * | 2022-02-07 | 2022-05-27 | 包头钢铁（集团）有限责任公司 | Method for preventing coke oven door from smoking |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066664B (en) * | 2018-01-22 | 2021-01-19 | 五冶集团上海有限公司 | Maintenance method for smoke emission of small burner of 7.63-meter coke oven |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728129A (en) * | 2017-04-20 | 2018-11-02 | 五冶集团上海有限公司 | A kind of coke oven door frame airtight and watertight padding installation method |
| CN111187631A (en) * | 2019-09-29 | 2020-05-22 | 马鞍山钢铁股份有限公司 | Repair material for mouth structure of coke oven machine and use method thereof |
| CN112210391A (en) * | 2020-09-28 | 2021-01-12 | 马鞍山钢铁股份有限公司 | Method for filling gap between coke oven door frame and protective plate |
| CN113293011A (en) * | 2021-05-31 | 2021-08-24 | 马鞍山钢铁股份有限公司 | Coke oven head sealing masonry structure and masonry method thereof |
| CN114540047A (en) * | 2022-02-07 | 2022-05-27 | 包头钢铁（集团）有限责任公司 | Method for preventing coke oven door from smoking |
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| CN106010588B (en) | 2019-06-04 |
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