CN109652100A - A method of being overhauled based on 6 meters of oven top of coke oven improves production environment - Google Patents
A method of being overhauled based on 6 meters of oven top of coke oven improves production environment Download PDFInfo
- Publication number
- CN109652100A CN109652100A CN201910034738.2A CN201910034738A CN109652100A CN 109652100 A CN109652100 A CN 109652100A CN 201910034738 A CN201910034738 A CN 201910034738A CN 109652100 A CN109652100 A CN 109652100A
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- peephole
- oven
- heart
- brick
- coke
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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
- C10B29/00—Other details of coke ovens
-
- 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
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Coke Industry (AREA)
Abstract
A method of being overhauled based on 6 meters of oven top of coke oven improves production environment, characterized by the following steps: a, work out furnace roof slope design scheme, b, peephole wall and hole brick of coalingging are removed, are built, c, heart clinker tile is filled out to remove, build, d, tie rod ditch is cleaned, grouting, is poured, e, tedge sealed bottom.It is of the invention overhauled based on 6 meters of oven top of coke oven improve production environment method have oven top of coke oven carry out overhauling adaptation step it is reasonable, method strong operability, construction quality is safe and reliable, the drainage grade of oven top of coke oven is rebuild, furnace roof ponding can be made effectively to be excluded, ensure that production safety, peephole, tedge root are burned with anger, smoke event is eliminated, the advantages of meeting environmental requirement, improving Production environment quality and reduce maintenance engineering cost.
Description
Technical field
The present invention relates to a kind of methods for improving coke oven production environment, specifically, being that one kind is turned over based on 6 meters of oven top of coke oven
The method for modifying kind production environment.
Background technique
The coke oven of coke-oven plant 2 is 6 meters of coke ovens of JN60-6 type, and furnace roof surface open work since more than ten years of putting into production is long
Year month after month bears the effect exposed to the sun and rain, and hole brick setting of coalingging subjects charging car and vibrates and take off during coalingging Gai Naicai back and forth
The number of rapid heat cycle is excessively frequently easy to loosening and burns with anger, emits with the friction of charging hole lid, the hole brickwork joint mud that causes to coaling
Cigarette and hole brick fracture of coalingging eventually lead to that hole of coalingging is increased, mud loosens and burns with anger, smolders so that frequently replacement is coaling hole brick；
The fracture of part peephole brick, tedge root sealer are not smoldered sternly.Furnace roof surface is uneven, and rainy ponding seriously affects coke oven
Normal production, enters furnace body from the gap of combustion chamber peephole lid and furnace roof imprecision, damages furnace roof brick, influence coke at
Ripe, increase energy consumption, increases environmental protection pressure, while influencing the coke oven service life.Oven top of coke oven, which is overhauled, to carry out during coke oven production,
The normal productive process of coke oven is not influenced.
Therefore known coke oven production environmental degradation, furnace roof overhaul operation and there are problems that it is above-mentioned various inconvenient and.
Summary of the invention
The purpose of the present invention is to propose that a kind of safe and reliable overhauling based on 6 meters of oven top of coke oven improves production environment
Method.
To achieve the above object, the technical solution of the invention is as follows:
A method of being overhauled based on 6 meters of oven top of coke oven improves production environment, it is characterised in that the following steps are included:
A, furnace roof slope design scheme is worked out, comprising the following steps:
1) peephole wall slope improves: lateral coke side, pusher side slope 20mm outside slave, coke side orbit centre；To furnace roof machine, coke side
Peephole wall keeps original gradient on the inside of orbit centre, and dismounting is built again；
2) fill out the improvement of heart clinker tile slope: that removes furnace roof fills out heart clinker tile, while removing one layer of common brick below clinker tile, then basis
The gradient of peephole wall is subtracted the height of peephole wall and fills out the thickness of heart clinker tile come by way of carrying out casting clay castable
Then slope builds and fills out heart clinker tile；
B, peephole wall and hole brick of coalingging are removed, are built
Useless brick is placed on designated place according to construction requirement by the surface refractory brick for removing the unit, and the region of dismounting is clear
Sweep clean, heart clinker tile, ironware and coal filling hole refractory brick are filled out in dismounting, protection tool are put well before peephole brick masonry, according to really
Fixed absolute altitude, bracing wire build peephole brick, it is ensured that machine, coke side orbit centre to coke side, pusher side the gradient；
C, heart clinker tile is filled out to remove, build
The one layer of common brick removed below clinker tile and clinker tile before heart clinker tile is built is filled out, then according to the absolute altitude of peephole wall, by seeing
The height of fire hole wall, which subtracts, fills out the thickness of heart clinker tile to carry out casting clay castable slope, finally build and fill out heart clinker tile, and side is built
It builds side and controls its absolute altitude and flatness with guiding ruler；
D, tie rod ditch is cleaned, grouting, is poured
Mud is modulated using clay chamotte, carries out smashing pressure with bamboo chip or fine steel rib in filling process, pierces through the mud of previous grouting
The capsul that surface solidification is formed, so that the mud newly filled flows into；Tie rod ditch cleans, after the completion of grouting, is poured using lightweight heat-proof
Material feeding is poured insulating layer, finally builds front arch；
E, tedge sealed bottom
Cleaning rises the old sealing pug of bottom of the tube, the dismounting of refractory fibre rope is dug out, cleaning of drying, then progress refractory is fine
It is closely knit that dimension rope dips in mud filling.
The method for overhauling improvement production environment based on 6 meters of oven top of coke oven of the invention can also use technical measures below
To further realize.
Method above-mentioned, wherein the specific gravity control of the mud is in 1.7~1.8g/cm3。
Method above-mentioned, wherein bulk density≤0.9g/cm after the burning of the lightweight heat-proof castable3。
Method above-mentioned, wherein the mortar uses 40% concentrate powder, 50% low temperature ganister, 10% clay chamotte, additional 8%
Waterglass modulation.
Method above-mentioned, wherein the refractory ceramic fiber rope surface is with 40% low temperature ganister, 60% concentrate powder additional 1%
Waterglass modulates mud sealing, smoothes out.
After adopting the above technical scheme, it is of the invention based on 6 meters of oven top of coke oven overhaul improve production environment side have with
Lower advantage:
1, oven top of coke oven reasonable, the method strong operability that overhaul adaptation step；
2, construction quality is safe and reliable, has rebuild the drainage grade of oven top of coke oven, and furnace roof ponding can be made effectively to be excluded, and protects
Production safety is demonstrate,proved；
3, peephole, tedge root are burned with anger, smoke event is eliminated, and meet environmental requirement, improve Production environment quality, are reduced
Maintenance engineering cost.
Detailed description of the invention
Fig. 1 is the coke oven machine side structure of modification schematic diagram of the embodiment of the present invention；
Fig. 2 is the coke oven coke side structure of modification schematic diagram of the embodiment of the present invention.
In figure: 1 the 1st peephole brick, 2 tie rod ditches and front arch, 3 the 8th peephole bricks, 4 the 9th peephole bricks, 5 peepholes
Wall, 6 stoke holes, 7 fill out heart clinker tile, and 8 the 24th peephole bricks, 9 the 25th peephole bricks, 10 the 32nd peephole bricks, 11 rise bottom of the tube,
A pusher side, B coke side, C rail center line, D coke oven center line.
Specific embodiment
With reference to embodiments and its attached drawing further explains the present invention.
Embodiment 1
Of the invention overhauls the method for improving production environment based on 6 meters of oven top of coke oven, it is characterised in that the following steps are included:
A, furnace roof slope design scheme is worked out, comprising the following steps:
1) 5 slope of peephole wall improves: measurement record comprehensively is carried out according to furnace roof peephole wall and hole brick top surface absolute altitude of coalingging,
Lateral coke side B, pusher side A slope 20mm outside slave, coke side orbit centre.There are 32 peephole bricks, furnace roof in furnace roof peephole wall
Pusher side orbit centre design arrangement is in peephole brick 8#-9#Between, coke side orbit centre design arrangement is in peephole brick 24#-25#Between,
To peephole wall slope 20mm on the outside of furnace roof machine, coke side B track centerline C.The 1st peephole brick 1 of pusher side, the 2nd peephole brick
4317#With 4337#20mm is thinned；Pusher side the 3rd, 4 4317#With 4337# 15mm is thinned in peephole brick；The the 5th, 6 peephole of pusher side
Brick 4317#With 4337#10mm is thinned；The 4317 of the 7th peephole brick of pusher side, the 8th peephole brick 3#With 4337#5mm is thinned.Coke side
The 4317 of 31st peephole brick, the 32nd peephole brick 10#With 4337#20mm is thinned in brick；The the 29th, 30 peephole brick 4317 of pusher side#
With 4337#15mm is thinned in peephole brick；The the 27th, 28 peephole brick 4317 of pusher side#With 4337#10mm is thinned；Pusher side the 25th, 26
Peephole brick 4317#With 4337#5mm is thinned.Original gradient is not changed between furnace roof peephole wall brick 9#-24#.
2) it fills out the improvement of heart clinker tile slope: filling out heart clinker tile on the outside of dismounting furnace roof machine, coke side orbit centre, while removing clinker tile
Following one layer of common brick (60mm is thick), then according to the gradient of peephole wall, is subtracted by the height of peephole wall and fills out heart clinker tile
Thickness (145mm) carry out the mode slope of casting clay castable, then build and fill out heart clinker tile, heart clinker tile surface is filled out in guarantee
It is smooth with peephole wall.Heart clinker tile of filling out on the inside of furnace roof machine, coke side orbit centre is all removed, is built again levelling.It is existing
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the coke oven machine side structure of modification schematic diagram of the embodiment of the present invention, and Fig. 2 is the embodiment of the present invention
Coke oven coke side structure of modification schematic diagram.
B, peephole wall and hole brick of coalingging are removed, are built
Center portion position is filled out as a construction cell in coaling hole 6 of the rebuilding construction using furnace roof twice peephole wall 5 and therebetween, removes
With masonry surfaces refractory brick.Useless brick is placed on designated place according to construction requirement by the surface refractory brick for first removing the unit, and
The region of dismounting is cleaned up.When coal filling hole 6 and peephole are removed, hole is carried out to furnace roof coal filling hole and peephole
Protection, prevent from building sundries falling into its neutralization and prevent high temperature from hurting sb.'s feelings.Coal filling hole brick puts coal filling hole protection tool well before removing, so
It removes afterwards and fills out heart clinker tile, ironware and coal filling hole refractory brick, cleaning is blowed.According to the absolute altitude having determined, bracing wire builds 4
Coal filling hole.Put protection tool before peephole brick masonry well, according to the absolute altitude having determined, bracing wire builds peephole brick, it is ensured that machine,
The gradient of the coke side track centerline C to coke side, pusher side.
C, heart clinker tile 7 is filled out to remove, build
After the completion of coal filling hole and peephole wall 5 are built, carry out filling out the masonry work of heart clinker tile 7.Fill out before heart clinker tile is built and removes
One layer of common brick (60mm is thick) below clinker tile and clinker tile, then according to the absolute altitude of peephole wall, is subtracted by the height of peephole wall
The thickness (145mm) for filling out heart clinker tile is removed to carry out casting clay castable slope, finally build and fill out heart clinker tile, uses and leans on when building
Ruler controls its absolute altitude and flatness.
D, tie rod ditch is cleaned, grouting, is poured
Coal filling hole, peephole wall are filled out after the completion of heart clinker tile masonry, are thoroughly cleaned tie rod ditch and are stitched interior sundries, float ash.Using clay fire
Mud modulates mud, and thick dilute degree of mud is suitable, and specific gravity control is in 1.7~1.8g/cm3.With bamboo chip or carefully in filling process
Reinforcing bar carries out smashing pressure, and the mud surface for piercing through previous grouting solidifies the capsul to be formed, so that the mud newly filled flows into.For big
Expansion fissure, grouting is performed in multiple times, forbid it is repeated multiple times be in the milk in same point, to prevent mud flowing in combustion chamber flue.
If stopping grouting 5 minutes or so it was found that there is mud inflow in the flue of combustion chamber, being in the milk again after slurry curing.
Tie rod ditch cleans, after the completion of grouting, using lightweight heat-proof castable (bulk density≤0.9g/cm after burning3) casting
The insulating layer of 30mm thickness, finally builds front arch.
E, tedge sealed bottom
Cleaning rises the old sealing pug of bottom of the tube, and refractory ceramic fiber rope dismounting is dug out, cleaning of drying, then carries out fire resisting pottery
Porcelain cordage dips in mud, fills closely knit.Mud first is dipped in φ 20mm refractory ceramic fiber rope, is wound simultaneously around bottom of the tube 11 is risen
Plug is tight, and mortar uses 40% concentrate powder, 50% low temperature ganister, 10% clay chamotte, the modulation of additional 8% waterglass；Refractory is fine
Dimension rope top keep with the spacing of furnace roof surface about 10mm, then refractory ceramic fiber rope surface with 40% low temperature ganister,
The additional 1% waterglass modulation mud sealing of 60% concentrate powder, smoothes out.
The present invention has substantive distinguishing features and significant technological progress, of the invention to overhaul improvement based on 6 meters of oven top of coke oven
The method of production environment is by overhauling transformation, lateral machine, coke side outside furnace top surface slave, coke side orbit centre to oven top of coke oven position
Both sides form the reasonable gradient, and furnace roof seeping phenomenon can exclude in time；Closely knit gap makes peephole, tie rod ditch, tedge root
Burn with anger, smoke event elimination, meets environmental requirements, guarantee the normal production of coke oven.
Of the invention overhauls the method for improving production environment the 2 of 2 phase of Baosteel (3A, 3B) coke oven based on 6 meters of oven top of coke oven
Platform oven top of coke oven, which is overhauled, to carry out in project under construction using high-quality after construction, effect is obvious, receives relevant departments and unit
Affirmative.
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 (5)
1. a kind of overhaul the method for improving production environment based on 6 meters of oven top of coke oven, it is characterised in that the following steps are included:
A, furnace roof slope design scheme is worked out, comprising the following steps:
1) peephole wall slope improves: lateral coke side, pusher side slope 20mm outside slave, coke side orbit centre；To furnace roof machine, coke side
Peephole wall keeps original gradient on the inside of orbit centre, and dismounting is built again；
2) fill out the improvement of heart clinker tile slope: that removes furnace roof fills out heart clinker tile, while removing one layer of common brick below clinker tile, then basis
The gradient of peephole wall is subtracted the height of peephole wall and fills out the thickness of heart clinker tile come by way of carrying out casting clay castable
Then slope builds and fills out heart clinker tile；
B, peephole wall and hole brick of coalingging are removed, are built
Useless brick is placed on designated place according to construction requirement by the surface refractory brick for removing the unit, and the region of dismounting is clear
Sweep clean, heart clinker tile, ironware and coal filling hole refractory brick are filled out in dismounting, protection tool are put well before peephole brick masonry, according to really
Fixed absolute altitude, bracing wire build peephole brick, it is ensured that machine, coke side orbit centre to coke side, pusher side the gradient；
C, heart clinker tile is filled out to remove, build
The one layer of common brick removed below clinker tile and clinker tile before heart clinker tile is built is filled out, then according to the absolute altitude of peephole wall, by seeing
The height of fire hole wall, which subtracts, fills out the thickness of heart clinker tile to carry out casting clay castable slope, finally build and fill out heart clinker tile, and side is built
It builds side and controls its absolute altitude and flatness with guiding ruler；
D, tie rod ditch is cleaned, grouting, is poured
Mud is modulated using clay chamotte, carries out smashing pressure with bamboo chip or fine steel rib in filling process, pierces through the mud of previous grouting
The capsul that surface solidification is formed, so that the mud newly filled flows into；Tie rod ditch cleans, after the completion of grouting, is poured using lightweight heat-proof
Material feeding is poured insulating layer, finally builds front arch；
E, tedge sealed bottom
Cleaning rises the old sealing pug of bottom of the tube, and refractory ceramic fiber rope dismounting is dug out, cleaning of drying, then carries out fire resisting pottery
It is closely knit that porcelain cordage dips in mud filling.
2. the method for improving production environment is overhauled based on 6 meters of oven top of coke oven as described in claim 1, which is characterized in that described
The specific gravity control of mud is in 1.7~1.8g/cm3。
3. the method for improving production environment is overhauled based on 6 meters of oven top of coke oven as described in claim 1, which is characterized in that described
Bulk density≤0.9g/cm after the burning of lightweight heat-proof castable3。
4. the method for improving production environment is overhauled based on 6 meters of oven top of coke oven as described in claim 1, which is characterized in that described
Mortar uses 40% concentrate powder, 50% low temperature ganister, 10% clay chamotte, the modulation of additional 8% waterglass.
5. the method for improving production environment is overhauled based on 6 meters of oven top of coke oven as described in claim 1, which is characterized in that described
Refractory ceramic fiber rope surface is smoothed out with 40% low temperature ganister, the additional 1% waterglass modulation mud sealing of 60% concentrate powder.
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| CN201910034738.2A CN109652100B (en) | 2019-01-15 | 2019-01-15 | Method for improving production environment based on 6-meter coke oven top overhaul |
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| CN201910034738.2A CN109652100B (en) | 2019-01-15 | 2019-01-15 | Method for improving production environment based on 6-meter coke oven top overhaul |
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Cited By (1)
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|---|---|---|---|---|
| CN110079338A (en) * | 2019-04-30 | 2019-08-02 | 五冶集团上海有限公司 | A kind of coking furnace shaft dismounting method for reconstructing |
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