CN101353580B - 7.63m coke oven upper spanning hole masonry method - Google Patents
7.63m coke oven upper spanning hole masonry method Download PDFInfo
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- CN101353580B CN101353580B CN2008100489703A CN200810048970A CN101353580B CN 101353580 B CN101353580 B CN 101353580B CN 2008100489703 A CN2008100489703 A CN 2008100489703A CN 200810048970 A CN200810048970 A CN 200810048970A CN 101353580 B CN101353580 B CN 101353580B
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Abstract
The invention discloses a masonry method for cross-over holes on a coke oven of 7.63m, including the coke oven of 7.63m and the cross-over holes on the oven. The holes comprise an upper layer and a lower layer, and an interlayer is arranged between the cross-over holes of the upper layer and the lower layer and provided with two through holes, the cross-over holes of the two layers form mutually communicating channels by the through holes of the interlayer, the interlayer divides the cross-over hole of the upper layer into five areas, which are respectively the area above the right middle of the interlayer and four areas at two sides of the through holes of the interlayer, the whole area above the right middle of the interlayer is the masonry with silica brick, and the upper cross-over hole is completely plugged, waste gas is prevented from flowing to adjacent flame paths; the four areas at two sides of the through holes of the interlayer adopt the refractory materials with little density and the property of heat insulation for masonry and blockage. The masonry method of the invention limits hot waste gas to flow on the upper part of a combustion chamber, takes advantage of the heat insulation property of the refractory materials to stop heat transfer, effectively prevents the temperature of the top space of the coke oven from rising and further lowers the temperature of the top of the coke oven and the consumption of gas.
Description
Technical field
The present invention relates to a kind of 7.63m coke oven spanning hole masonry method, particularly a kind of 7.63m coke oven upper spanning hole plug building method.
Background technology
7.63 one of coke oven the biggest in the world that the rice coke oven is a UHDE to be designed and developed is designed with adjustable leap hole on it.Cross over the hole and divide design up and down, main confession is regulated heat levels and is regulated the furnace roof room temps, guarantees top charge of coke maturation.
But; The main foundation of this system design is the mixed gas of coke-oven gas and rich calorific value, and China's coke oven heating is a thermal source with low-calorie blast furnace gas mainly, and it is long that itself just has combustion flame; High good to heating property, it is high to heat characteristic to cooperate zone heating enough to improve.Therefore when using BF gas heating, the existence of this system has worsened production environment: on the contrary though can cover upper spanning hole with the slip brick; Stop hot waste gas to rise, but, cause the coking chamber throat temperature too high because this system space thermal insulation is poor; The raw gas process resolves into the graphite charcoal attached on the furnace wall during this zone, has not only reduced the raw gas productive rate, and the raw gas that also has influence on coke oven is derived; Can increase the coke pushing resistance when serious, even it is burnt to produce secondary.And, cover the slip brick, in fact just covered peephole, cause manual thermometric to carry out.In addition, because of the furnace roof room temps is high, the tie rod system damage shortens the coke oven life-span, and all there is this type of problem in the coking company of a few family of present domestic this technology of introduction when using this cover system.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective that existing 7.63 meters coke ovens are crossed over the hole, and a kind of 7.63m coke oven upper spanning hole masonry method is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of 7.63m coke oven upper spanning hole masonry method of the present invention comprises the leap hole on 7.63m coke oven and the coke oven, and said leap hole is upper and lower two-layer; Upper and lower two-layer leap is provided with an interlayer between the hole; Said interlayer is provided with two through holes, and upper and lower two-layer leap hole forms the passage of mutual perforation through the interlayer through hole, on the interlayer of hole the hole is crossed on the upper strata and is divided into five zones crossing over; Be respectively four zones of interlayer middle upper area and interlayer through hole both sides; Interlayer middle upper area is all built by laying bricks or stones with silica brick, stops up top fully and crosses over the hole, forbids that waste gas flows to adjacent quirk; Four of interlayer through hole both sides zones adopt the little and refractory materials that have a thermal insulation of density to build obstruction by laying bricks or stones.
Four zones of said interlayer through hole both sides adopt the fissure of displacement to build by laying bricks or stones.
It is T1, T2 and T3 brick type that four regional refractory materialss of said interlayer through hole both sides are built brick brick type by laying bricks or stones; T1 brick type is the rectangular build with a boss; T2 brick type is wide rectangular build, and T3 brick type is narrow rectangular build, and T1, T2 and T3 brick type are around the passage symmetry arrangement.
The present invention crosses over the place, hole and all builds by laying bricks or stones with silica brick above the interlayer middle, stop up top fully and cross over the hole, forbids that waste gas flows to adjacent quirk.Brick type used herein is existing W404, W405, W406 and four kinds of brick types of W407, and every coke oven increases by 53.3 tons on W404, W405, W406 and four kinds of brick types of W407.
The present invention has adopted the refractory materials obstruction that density is little and have thermal insulation in four zones of interlayer through hole both sides; In order not influence thermometric, used T1, T2 and three brick types of T3, increase by 122.30 tons of brick amounts; Build by laying bricks or stones through the fissure of displacement, satisfy the needs of coke oven exactness.
The present invention has not only limited hot waste gas and has flowed on top, combustion chamber through above transformation, and utilizes the insulative properties of refractory materials to stop the heat transmission; Prevented that effectively coke oven headspace temperature from raising; And then reduced the coke oven throat temperature, and not only improved the Working environment of furnace roof, see from energy-conservation angle; The heat that has also reduced the coke oven body distributes, and has reduced gas consumption.
Description of drawings
Fig. 1 is a 7.63m coke oven upper spanning hole masonry method structural representation according to the invention.
Fig. 2 is that T1 according to the invention, T2 and T3 brick type are built the distributed architecture synoptic diagram by laying bricks or stones.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
As shown in Figure 1, a kind of 7.63m coke oven upper spanning hole masonry method of the present invention comprises the leap hole on 7.63m coke oven 1 and the coke oven; Said leap hole is upper and lower two- layer 2,3, and upper and lower two-layer leap is provided with an interlayer 4 between the hole, and said interlayer is provided with two through holes 5; Upper and lower two-layer leap hole forms the passage 6 of mutual perforation through the interlayer through hole; On the interlayer of leap hole, the hole is crossed on the upper strata and be divided into five zones, be respectively four zones 8 of interlayer middle upper area 7 and interlayer through hole both sides, interlayer middle upper area is all built by laying bricks or stones with silica brick; Stop up top fully and cross over the hole, forbid that waste gas flows to adjacent quirk; Four of interlayer through hole both sides zones adopt the little and refractory materials that have a thermal insulation of density to build obstruction by laying bricks or stones.
As shown in Figure 2, four zones of said interlayer through hole both sides adopt the fissure of displacement to build by laying bricks or stones.
As shown in Figure 2; It is T1, T2 and T3 brick type that four regional refractory materialss of said interlayer through hole both sides are built brick brick type by laying bricks or stones, and T1 brick type is the rectangular build 11 with a boss, and T2 brick type is wide rectangular build 12; T3 brick type is narrow rectangular build 13, and T1, T2 and T3 brick type are around the passage symmetry arrangement.
The present invention crosses over the place, hole and all builds by laying bricks or stones with silica brick above the interlayer middle, stop up top fully and cross over the hole, forbids that waste gas flows to adjacent quirk.Brick type used herein is existing W404, W405, W406 and four kinds of brick types of W407, and every coke oven increases by 53.3 tons on W404, W405, W406 and four kinds of brick types of W407.
The present invention has adopted the refractory materials obstruction that density is little and have thermal insulation in four zones of interlayer through hole both sides; In order not influence thermometric, used T1, T2 and three brick types of T3, increase by 122.30 tons of brick amounts; Build by laying bricks or stones through the fissure of displacement, satisfy the needs of coke oven exactness.
The present invention has not only limited hot waste gas and has flowed on top, combustion chamber through above transformation, and utilizes the insulative properties of refractory materials to stop the heat transmission; Prevented that effectively coke oven headspace temperature from raising; And then reduced the coke oven throat temperature, and not only improved the Working environment of furnace roof, see from energy-conservation angle; The heat that has also reduced the coke oven body distributes, and has reduced gas consumption.
According to the situation after the operation of the Wuhan Iron and Steel Plant coking 1# of company coke oven, this kind transformation is comparatively successful, compares with domestic other identical type of furnaces; Coke oven headspace temperature basic controlling is about 810 ℃; Be significantly less than 850 ℃～900 ℃ of other coke ovens, and owing to used lagging material, when effectively reducing the body of heater heat radiation; Operating personnel's service temperature of furnace roof decreases, and has improved worker's operating environment.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a 7.63m coke oven upper spanning hole masonry method comprises the leap hole on 7.63m coke oven and the coke oven, and said leap hole is upper and lower two-layer; Upper and lower two-layer leap is provided with an interlayer between the hole; Said interlayer is provided with two through holes, and upper and lower two-layer leap hole forms the passage of mutual perforation through the interlayer through hole, it is characterized in that: on the interlayer of hole the hole is crossed on the upper strata and be divided into five zones crossing over; Be respectively four zones of interlayer middle upper area and interlayer through hole both sides; Interlayer middle upper area is all built by laying bricks or stones with silica brick, stops up top fully and crosses over the hole, forbids that waste gas flows to adjacent quirk; Four of interlayer through hole both sides zones adopt the little and refractory materials that have a thermal insulation of density to build obstruction by laying bricks or stones;
It is T1, T2 and T3 brick type that four regional refractory materialss of said interlayer through hole both sides are built brick brick type by laying bricks or stones; T1 brick type is the rectangular build with a boss; T2 brick type is wide rectangular build, and T3 brick type is narrow rectangular build, and T1, T2 and T3 brick type are around the passage symmetry arrangement.
2. 7.63m coke oven upper spanning hole masonry method as claimed in claim 1 is characterized in that: four zones of said interlayer through hole both sides adopt the fissure of displacement to build by laying bricks or stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100489703A CN101353580B (en) | 2008-08-26 | 2008-08-26 | 7.63m coke oven upper spanning hole masonry method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100489703A CN101353580B (en) | 2008-08-26 | 2008-08-26 | 7.63m coke oven upper spanning hole masonry method |
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| Publication Number | Publication Date |
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| CN101353580A CN101353580A (en) | 2009-01-28 |
| CN101353580B true CN101353580B (en) | 2012-04-18 |
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| CN2008100489703A Expired - Fee Related CN101353580B (en) | 2008-08-26 | 2008-08-26 | 7.63m coke oven upper spanning hole masonry method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241992A (en) * | 2010-05-14 | 2011-11-16 | 湖南省醴陵市马恋耐火泥有限公司 | Reconstruction method of 7.63 meter coke oven |
| CN102322623B (en) * | 2011-08-24 | 2013-11-13 | 成都中冶节能环保工程有限公司 | Coke oven top waste heat reclaiming system |
| CN108277022B (en) * | 2018-03-30 | 2023-05-16 | 中冶焦耐(大连)工程技术有限公司 | Top-mounted tamping integrated coke oven body structure and adjusting method thereof |
| CN108315022B (en) * | 2018-03-30 | 2023-11-28 | 中冶焦耐(大连)工程技术有限公司 | Coke oven structure with adjustable crossing hole and crossing hole adjusting method |
| CN108315025B (en) * | 2018-03-30 | 2023-11-24 | 中冶焦耐(大连)工程技术有限公司 | Carbonization chamber upper space temperature adjusting structure and adjusting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2892858Y (en) * | 2005-12-19 | 2007-04-25 | 中冶焦耐工程技术有限公司 | Coke oven combustion chamber-carbonization chamber unit midspan through hole structure |
| CN2926230Y (en) * | 2005-12-19 | 2007-07-25 | 中冶焦耐工程技术有限公司 | Coal oven firebox-carbonizing chamber unit |
| CN101121893A (en) * | 2007-09-21 | 2008-02-13 | 武汉钢铁(集团)公司 | Method for controlling flue suction force in coke oven automatic heating system |
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2008
- 2008-08-26 CN CN2008100489703A patent/CN101353580B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2892858Y (en) * | 2005-12-19 | 2007-04-25 | 中冶焦耐工程技术有限公司 | Coke oven combustion chamber-carbonization chamber unit midspan through hole structure |
| CN2926230Y (en) * | 2005-12-19 | 2007-07-25 | 中冶焦耐工程技术有限公司 | Coal oven firebox-carbonizing chamber unit |
| CN101121893A (en) * | 2007-09-21 | 2008-02-13 | 武汉钢铁(集团)公司 | Method for controlling flue suction force in coke oven automatic heating system |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59-62690A 1984.04.10 |
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Effective date of registration: 20170705 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Patentee before: Wuhan Iron & Steel (Group) Corp. |
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Granted publication date: 20120418 Termination date: 20180826 |