CN203923089U - A kind of large-scale tamping coke furnace - Google Patents
A kind of large-scale tamping coke furnace Download PDFInfo
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- CN203923089U CN203923089U CN201420119875.9U CN201420119875U CN203923089U CN 203923089 U CN203923089 U CN 203923089U CN 201420119875 U CN201420119875 U CN 201420119875U CN 203923089 U CN203923089 U CN 203923089U
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- coke
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Abstract
The utility model relates to a kind of large-scale tamping coke furnace, by regenerator, chute, coking chamber, combustion chamber and furnace roof five parts, formed, coking chamber be designed to total length 16040mm, average wide is 554mm, briquette is wide is 500mm, the useful volume 50.6m of coking chamber
3, the high 4200mm of regenerator, adopts ultra-thin 12 hole checker brick to build by laying bricks or stones, is provided with the main wall of incorgruous air-flow and air-flow list wall construction in the same way.Its structure of the utility model is twinflue, waste gas circulation, under coke-oven gas, spray, the reheat tamping coke-oven of blast furnace gas and air side entering type, every hole coking chamber dress dry coal amount 45.6t, dry complete burnt amount 11300～11900t/a is produced in the design of every hole coking chamber year, the coke oven in 2 * 45 one group, holes produces dry metallurgical coke amount 1,050,000 t/a, reach < < coking industry entry criteria > > standard-required, have vertebration, homogeneous heating, the feature that hot working efficiency is high, come out of the stove number of times and paroxysmal pollution have been reduced greatly, improved coking production environment, improved converter life.
Description
Technical field
The utility model belongs to the Thermal Equipment of producing coke, chemical products in coking chemistry industry, particularly a kind of large-scale tamping coke furnace.
Background technology
Develop rapidly along with domestic and international Iron And Steel Industry, tamping coke furnace day by day trends towards maximizing both at home and abroad, the corresponding more and more higher and length increasing of the height of coking chamber and width, certainly will require to raise labour productivity, reduce the disposal of pollutants in production process, require again operational administrative level, maintenance strength higher.Therefore, middle-size and small-size tamping coke furnace can not meet the demand of production, can better not adapt to industrial expansion in domestic structural adjustment.
Summary of the invention
The utility model has overcome the defect of above-mentioned existence, and object is vertebration for solving tamping coke furnace, and homogeneous heating, hot working efficiency are high, and a kind of large-scale tamping coke furnace is provided.
The large-scale tamping coke furnace content Description of the utility model:
The large-scale tamping coke furnace of the utility model, is characterized in that: by regenerator, chute, coking chamber, combustion chamber and furnace roof five parts, formed, coking chamber be designed to total length 16040mm, average wide is 554mm, briquette is wide is 500mm, the useful volume 50.6m of coking chamber
3; The high 4200mm of regenerator, regenerator adopts ultra-thin 12 hole checker brick to build by laying bricks or stones, regenerator is provided with the main wall of incorgruous air-flow and air-flow list wall construction in the same way, in the main wall of incorgruous air-flow, be provided with brick gas passage, the wide 320mm of main wall of incorgruous air-flow, employing is with the special shaped brick occlusal masonry of three ditch tongues, and the wide 230mm of air-flow list wall, adopts the mutual occlusal masonry of " Z " font brick with two ditch tongues in the same way; The bottom of coking chamber is lower than the bottom of combustion chamber, coking chamber wall thickness 100mm, adopts " pagoda " shape brick masonry, on flue partition, adopts and builds by laying bricks or stones with the special shaped brick of ditch tongue, burner quirk adopts snakelike loop structure, and combustion chamber adopts waste gas circulation and adds high coke oven gas holder structure; Combustion chamber is provided with the chute mouth to flue and bottom, is provided with three dedusting holes and a rising pore on furnace roof, and furnace roof height is 1595mm, gradient 50mm, and chute height is 825mm, the end brick that is 120mm at the superiors' laying depth of chute.
The large-scale tamping coke furnace of the utility model, its structure is twinflue, waste gas circulation, under coke-oven gas, spray, the reheat tamping coke-oven of blast furnace gas and air side entering type, every hole coking chamber dress dry coal amount 45.6t, dry complete burnt amount 11300～11900t/a is produced in the design of every hole coking chamber year, the coke oven in 2 * 45 one group, holes produces dry metallurgical coke amount 1,050,000 t/a, reach < < coking industry entry criteria > > standard-required, have vertebration, homogeneous heating, the feature that hot working efficiency is high, can reduce greatly the number of times of coming out of the stove again, reducing paroxysmal pollutes, improved coking production environment, improved converter life.
Accompanying drawing explanation
Fig. 1 is large-scale tamping coke furnace body of heater longitudinal sectional view;
Fig. 2 is large-scale tamping coke furnace combustion chamber of furnace body sectional view;
Fig. 3 is large-scale tamping coke furnace body of heater coking chamber sectional view;
In figure, 1 is regenerator, the 2nd, chute, the 3rd, and coking chamber, the 4th, combustion chamber, the 5th, furnace roof, the 6th, the main wall of incorgruous air-flow, the 7th, brick gas passage, the 8th, air-flow list wall, the 9th in the same way, burner, the 10th, regenerator sealing wall, the 11st, to flue, the 12nd, chute mouth, the 13rd, flue partition, the 14th, burner quirk, the 15th, dedusting hole, the 16th, rising pore.
Embodiment
The large-scale tamping coke furnace of the utility model is achieved in that below in conjunction with accompanying drawing and illustrates.The large-scale tamping coke furnace of the utility model, is comprised of regenerator 1, chute 2, coking chamber 3, combustion chamber 4 and furnace roof 5 five parts, coking chamber 3 be designed to total length 16040mm, average wide is 554mm, briquette is wide is 500mm, the useful volume 50.6m of coking chamber 3
3; The high 4200mm of regenerator 1, regenerator 1 adopts ultra-thin 12 hole checker brick to build by laying bricks or stones, regenerator 1 is provided with the main wall 6 of incorgruous air-flow and air-flow list wall 8 structures in the same way, in the main wall 6 of incorgruous air-flow, be provided with brick gas passage 7, the wide 320mm of main wall 6 of incorgruous air-flow, employing is with the special shaped brick occlusal masonry of three ditch tongues, and the wide 230mm of air-flow list wall 8, adopts the mutual occlusal masonry of " Z " font brick with two ditch tongues in the same way; The bottom of coking chamber 3 is lower than the bottom of combustion chamber 4, coking chamber 3 wall thickness 100mm, adopt " pagoda " shape brick masonry, on flue partition 13, adopt and build by laying bricks or stones with the special shaped brick of ditch tongue, burner quirk 14 adopts snakelike loop structure, and combustion chamber 4 adopts waste gas circulation and adds high coke oven gas holder structure; Combustion chamber 4 is provided with the chute mouth 12 to flue 11 and bottom, is provided with three dedusting holes 15 and a rising pore 16 on furnace roof 5, and furnace roof 5 height are 1595mm, gradient 50mm, and chute 2 height are 825mm, the end brick that is 120mm at the layer laying depth of chute 2.
See Fig. 1～Fig. 3, large-scale tamping coke furnace body of heater longitudinal sectional view, coking chamber 3 be designed to total length 16040mm, average wide is 554mm, briquette is wide is 500mm, making into briquette depth-width ratio firm by ramming is 12:1, the useful volume 50.6m of coking chamber 3
3, than the briquette depth-width ratio of highly identical coking chamber 3 average wide 530mm, reduce 37%, greatly strengthened the stability of briquette.The every hole of coking chamber 3 coal capacity reaches 45.6t, can reach and reduce the number of times of coming out of the stove in the situation that producing same size amount of coke, reduces paroxysmal and pollutes, and has improved coking production environment.
The high 4200mm of regenerator 1, the main wall 6 of the incorgruous air-flow of regenerator 1 employing and the in the same way design form of air-flow list wall 8, in the main wall 6 of incorgruous air-flow, be provided with brick gas passage 7, the wide 320mm of main wall 6 of incorgruous air-flow, employing is with the special shaped brick occlusal masonry of three ditch tongues, regenerator main wall 6, brick gas passage 7 stitch without straight-through with regenerator 1 wall skin, guaranteed the tightness of brick gas passage 7, the wide 230mm of air-flow list wall 8 in the same way, employing is with the mutual occlusal masonry of " Z " font brick of two ditch tongues, therefore guaranteed globality and the tightness of wall.
Regenerator 1 adopts ultra-thin 12 hole checker brick to build by laying bricks or stones, than the checker brick in JN60 Formed Coke Furnace 9 holes, under same volume, increases by 17% heating surface, has reduced spent air temperture, has improved thermo-efficiency.
In order to improve burner heating, prevent from sealing wall gas leakage, reduce thermosteresis, improve operating environment, used advanced regenerator sealing wall design, interior envelope wall is used silica brick to make its thermal expansion identical with single main wall, and sealing effectiveness obviously improves, regenerator covering wall is cancelled the insulation plate of poor effect, use all well heat insulating material sealings of wiping one's face of heat insulation and sealing effectiveness instead, between silica brick and insulating brick, add again one deck 20mm calcium silicate thermal insulation board, make its thermal-insulating sealing effect better.
The bottom of coking chamber 3 is lower than the bottom of combustion chamber 4, and coking chamber 3 shop fixtures bricks have been thickeied, therefore coking chamber 3 bottom wear resistancies have been strengthened, extends converter life.Coking chamber 3 wall thickness 100mm, adopt " pagoda " shape brick masonry, eliminated straight-through seam between coking chamber 3 and combustion chamber, make furnace wall tight, raw gas is difficult for blowby, be convenient to again furnace wall and pick stubble maintenance, and adopted on flue partition 13, with the special shaped brick of ditch tongue, build by laying bricks or stones, this has just strengthened chamber structure intensity and furnace wall globality greatly.
Burner quirk 14 adopts snakelike loop structure, so both can solve burner quirk 14 temperature low, can solve again the higher problem of the second fire path temperature, also solve the phenomenon of ripe lower life on mechanical coke burner charge of coke simultaneously, make coking chamber charge of coke temperature even, improved heat levels.
Combustion chamber 4 adopts waste gas circulation and adds high coke oven gas holder structure, has guaranteed along coking chamber 3 height to heating uniformity.In addition, because there is waste gas circulation, can reduce the oxynitrides content in waste gas, reduce the pollution to atmosphere, and when coke oven extends coking time operation, due to the high burner that added thermal recovery with coke-oven gas, therefore also be difficult for short circuit.
Because the tamping coke oven machine side furnace door opening time is long, thermosteresis is large, and burner silica brick is fragile, therefore burner 9 also adopts combustion chamber burner high alumina brick vertical masonry joint structure except adopting large protecting sheet.Prevented that silica brick burner from damaging and the phenomenon of collapsing, between burner high alumina brick and silica brick, adopted little occlusion structure, guaranteed to differential expansion, to do special processing because two kinds of materials are high.
Chute mouth 12 sections to flue 11 bottoms have carried out theoretical investigation and calculating, newly-designed adjusting brick and arrangement thereof, air capacity and the coal gas amount of combustion chamber 4 each quirks are distributed rationally, coke oven needs after going into operation to adjust hardly, can make the cross wall uniformity of temperature profile of combustion chamber 4, reduce greatly the labour intensity that workman changes adjusting brick.
By summing up experience, the heat levels height of coke oven is decided to be to 805mm, can make charge of coke simultaneously ripe up and down, reduce furnace roof space feldspar China ink or green coke.
Furnace roof 5 is provided with three dedusting holes 15 and a rising pore 16, builds by laying bricks or stones all and builds by laying bricks or stones with the special-shaped big brick with ditch tongue, has guaranteed globality and the tightness of masonry, and furnace roof is firm, has reduced the blowby of raw gas, prevents the scaling loss of furnace roof horizontal brace.
The high 1595mm of furnace roof 5, gradient 50mm, has all been used intensity high in furnace roof 5th district, and heat insulation effect is good floating bead brick and high-strength diatomite insulating brick again, substitutes the common brick of former use, guarantees furnace roof 5 surfacings, has reduced furnace top surface temperature, has improved operating environment.
The high 825mm of chute 2, the thick 120mm of last layer shop fixtures brick of chute 2, improves shop fixtures brick wear resistance.
In furnace roof district, all used intensity high, heat insulation effect is good floating bead brick and high-strength diatomite insulating brick again, substitute the common brick of former use, guarantee that furnace top surface is smooth, reduced furnace top surface temperature, improved operating environment, fire door lining brick is used the trichroite brick that resistance to chilling is anxious good, has extended fire door lining brick work-ing life.
The large-scale tamping coke furnace of the utility model, its structure is twinflue, waste gas circulation, under coke-oven gas, spray, the reheat tamping coke-oven of blast furnace gas and air side entering type, every hole coking chamber dress dry coal amount 45.6t, dry complete burnt amount 11300～11900t/a is produced in the coking chamber design of every hole per year, the coke oven in 2 * 45 one group, holes produces dry metallurgical coke amount 1,050,000 t/a, reach < < coking industry entry criteria > > standard-required, have vertebration, homogeneous heating, the feature that hot working efficiency is high, can reduce greatly the number of times of coming out of the stove again, reducing paroxysmal pollutes, improve coking production environment, improve converter life.
Claims (1)
1. a large-scale tamping coke furnace, it is characterized in that: by regenerator (1), chute (2), coking chamber (3), combustion chamber (4) and furnace roof (5) five parts, formed, coking chamber (3) be designed to total length 16040mm, average wide is 554mm, briquette is wide is 500mm, the useful volume 50.6m of coking chamber (3)
3; The high 4200mm of regenerator (1), regenerator (1) adopts ultra-thin 12 hole checker brick to build by laying bricks or stones, be provided with the main wall (6) of incorgruous air-flow and air-flow list wall (8) structure in the same way, in the main wall (6) of incorgruous air-flow, be provided with brick gas passage (7), the wide 320mm of the main wall of incorgruous air-flow (6), employing is with the special shaped brick occlusal masonry of three ditch tongues, and the wide 230mm of air-flow list wall (8), adopts the mutual occlusal masonry of " Z " font brick with two ditch tongues in the same way; The bottom of coking chamber (3) is lower than the bottom of combustion chamber (4), coking chamber (3) wall thickness 100mm, adopt " pagoda " shape brick masonry, the upper employing of flue partition (13) built by laying bricks or stones with the special shaped brick of ditch tongue, burner quirk (14) adopts snakelike loop structure, and combustion chamber (4) adopt waste gas circulation and add high coke oven gas holder structure; Combustion chamber (4) is provided with the chute mouth (12) to flue (11) and bottom, on furnace roof (5), be provided with three dedusting holes (15) and a rising pore (16), furnace roof (5) height is 1595mm, gradient 50mm, chute (2) height is 825mm, the end brick that is 120mm at the superiors' laying depth of chute (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119875.9U CN203923089U (en) | 2014-03-18 | 2014-03-18 | A kind of large-scale tamping coke furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119875.9U CN203923089U (en) | 2014-03-18 | 2014-03-18 | A kind of large-scale tamping coke furnace |
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| Publication Number | Publication Date |
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| CN203923089U true CN203923089U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119875.9U Expired - Fee Related CN203923089U (en) | 2014-03-18 | 2014-03-18 | A kind of large-scale tamping coke furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834416A (en) * | 2014-03-18 | 2014-06-04 | 辽宁科技大学工程技术有限公司 | Large-sized tamping coke oven |
| CN106118690A (en) * | 2016-08-23 | 2016-11-16 | 迁安市九江煤炭储运有限公司 | A kind of poor gas heating coke oven improving chute |
| CN106367086A (en) * | 2016-10-08 | 2017-02-01 | 马鞍山钢铁股份有限公司 | High-coking-chamber top-mounted coke oven with combined oven door lining blocks |
-
2014
- 2014-03-18 CN CN201420119875.9U patent/CN203923089U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103834416A (en) * | 2014-03-18 | 2014-06-04 | 辽宁科技大学工程技术有限公司 | Large-sized tamping coke oven |
| CN106118690A (en) * | 2016-08-23 | 2016-11-16 | 迁安市九江煤炭储运有限公司 | A kind of poor gas heating coke oven improving chute |
| CN106367086A (en) * | 2016-10-08 | 2017-02-01 | 马鞍山钢铁股份有限公司 | High-coking-chamber top-mounted coke oven with combined oven door lining blocks |
| CN106367086B (en) * | 2016-10-08 | 2021-09-24 | 马鞍山钢铁股份有限公司 | High-carbonization-chamber top-mounted coke oven with combined oven door lining bricks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |