CN206502775U - A kind of coke oven combustion chamber carbonization chamber wall construction - Google Patents
A kind of coke oven combustion chamber carbonization chamber wall construction Download PDFInfo
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- CN206502775U CN206502775U CN201720170400.6U CN201720170400U CN206502775U CN 206502775 U CN206502775 U CN 206502775U CN 201720170400 U CN201720170400 U CN 201720170400U CN 206502775 U CN206502775 U CN 206502775U
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Abstract
The utility model is related to a kind of coke oven combustion chamber carbonization chamber wall construction, and the combustion chamber carbonization chamber is constituted by combustion chamber and carbonization chamber are spaced, and combustion chamber is made up of side by side multiple flues；Flue partition is set between each flue, the flue partition set between carbonization chamber and flue in carbonization chamber wall, carbonization chamber sets concave-convex clutch structure with carbonization chamber wall junction；The carbonization chamber wall is concave structure towards the inner surface of flue side, and the thickness of concave inside surface is 10~15mm of carbonization chamber wall thickness.The utility model can significantly improve the heat transfer efficiency between the carbonization chamber of combustion chamber while the structural strength of coking furnace shaft and combustion chamber charing chamber air-tightness is ensured, coking time is reduced, coke output is improved, improves coke oven production efficiency, the maximization development of coke oven is more beneficial for.
Description
Technical field
The utility model is related to coking technology field, more particularly to a kind of coke oven combustion chamber-carbonization chamber wall construction.
Background technology
As shown in figure 1, combustion chamber 3 and charing that it is alternate configuration under furnace roof, furnace roof that the modern topmost of coking furnace shaft 1, which is,
Room 2, the bottom of coking furnace shaft 1 have regenerator 6 and connection regenerator 6 and combustion chamber 3 chute area 5, each bottom of regenerator 6 it is small
Flue 7 is connected by exchange shutter with flue, and chimney is led in flue end.Combustion chamber 3 is in the both sides of carbonization chamber 2, by many
Flue 8 is constituted, and coal gas burns in the flue 8, by the carbonization chamber wall 4 between flue 8 and carbonization chamber 2 by heat transfer
To carbonization chamber 2, the coking coal in carbonization chamber 2 is converted into coke, thus the temperature and charcoal of combustion chamber flue 8 by high-temperature retorting
The heat transfer efficiency for changing room wall 4 will directly affect the yield and quality of coke.
In order to improve production efficiency, domestic and international coke oven is intended to maximization, and carbonization chamber height, length and width are all increasingly
Greatly, the also more and more higher of the requirement to the structural strength and tightness of coke oven.Build the brick used in the silica brick of conventional carbonization chamber wall 10 by laying bricks or stones
Type has：It is before T-shaped brick, bottle brick and precious brick brick, the carbonization chamber wall 10 of Chinese coke oven to use T-shaped brick, 1980s more
It is later many using pagoda brick, i.e. carbonization chamber walls 10 withShape,Shape orShape is formed with flue partition 9
Concave-convex clutch structure；Its towards the side of combustion chamber flue 8 inner surface for plane (such as Application No. 200520145110.3
Chinese patent, disclosed " a kind of coke oven combustion chamber-carbonization chamber unit ").
The thickness of carbonization chamber wall is generally 90-100mm, and the thickness of domestic coke furnace carbonization chamber wall is generally 95-105mm.Due to
The heat-transfer area of conventional carbonization chamber wall 10 is uniform thickness face, if to improve the heat transfer efficiency of combustion chamber-coking chamber, charing can only be thinned
The integral thickness of room wall 10, but so reduce the structural strength of coking furnace shaft 1 and the air-tightness of combustion chamber-coking chamber.
The content of the invention
The utility model provides a kind of coke oven combustion chamber-carbonization chamber wall construction, is ensureing the structural strength of coking furnace shaft
And the heat transfer efficiency between combustion chamber-coking chamber can be significantly improved while combustion chamber-coking chamber air-tightness, when reducing coking
Between, improve coke output, improve coke oven production efficiency, be more beneficial for coke oven maximization development.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of coke oven combustion chamber-carbonization chamber wall construction, the combustion chamber-coking chamber is spaced by combustion chamber and carbonization chamber
Composition, combustion chamber is made up of side by side multiple flues；Flue partition is set between each flue, is set between carbonization chamber and flue
Flue partition in carbonization chamber wall, carbonization chamber sets concave-convex clutch structure with carbonization chamber wall junction；The carbonization chamber wall direction
The inner surface of flue side is concave structure, and the thickness of concave inside surface is -10~15mm of carbonization chamber wall thickness.
The flue partition by spaced I-shaped partition wall and " in " font partition wall constitutes, the one of carbonization chamber wall
End sets concave structure and I-shaped partition wall formation concave-convex clutch structure, and the other end sets or do not set concave structure, and embedded " in "
Concave-convex clutch structure is formed in font partition wall.
The carbonization chamber wall is bottom-up to be made up of polylith wall brick, and the upper and lower surface of every block of wall brick is provided with ditch tongue.
Compared with prior art, the beneficial effects of the utility model are：
The inner surface of carbonization chamber wall is set to concave structure, and two ends and the part-structure of flue partition structure are constant, can
Ensure the structural strength and air-tightness of coking furnace shaft；The heat transfer face thickness of carbonization chamber wall is thinned simultaneously, is conducive to increase coke oven combustion
The evenly heat flow that room reaches carbonization chamber is burnt, the heat transfer efficiency of combustion chamber-coking chamber is improved；Coking time can be reduced, improve burnt
Carbon yield, raising coke oven production efficiency, realize the maximization development of coke oven.
Brief description of the drawings
Fig. 1 is the longitudinal section of conventional coke oven combustion chamber-carbonization chamber unit.
Fig. 2 is conventional flue cellular construction figure.
Fig. 3 is the structural representation of flue unit described in the utility model.
Fig. 4 is the heat flow analysis cloud atlas that carbonization chamber is reached using the coke oven combustion chamber of conventional carbonization chamber wall；
Fig. 5 is the heat flow analysis cloud that carbonization chamber is reached using the coke oven combustion chamber of carbonization chamber wall described in the utility model
Figure；
In figure：1. the small cigarette of 2. carbonization chamber of coking furnace shaft, 3. combustion chamber, 4. carbonization chamber wall, 5. chute area, 6. regenerator 7.
11. carbonization chamber wall A1/A2. described in the utility model of the conventional carbonization chamber wall of road 8. flue, 9. flue partition 10. are close
Carbonization chamber side walls of the carbonization chamber side wall B1/B2. of flue side close to carbonization chamber side
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 3, a kind of coke oven combustion chamber-carbonization chamber wall construction described in the utility model, the combustion chamber-coking chamber
Constituted by combustion chamber and carbonization chamber are spaced, combustion chamber is made up of side by side multiple flues 8；Fire is set up between each flue 8
Road partition wall 9, sets the flue partition 9 in carbonization chamber wall 4, carbonization chamber and the junction of carbonization chamber wall 11 between carbonization chamber and flue
If concave-convex clutch structure；The carbonization chamber wall 11 towards the side of flue 8 inner surface be concave structure, the thickness of concave inside surface
Spend for -10~15mm of thickness of carbonization chamber wall 11.
The flue partition 9 by spaced I-shaped partition wall and " in " font partition wall constitutes, carbonization chamber wall 11
One end set concave structure and I-shaped partition wall formation concave-convex clutch structure, the other end sets or not set concave structure, and embedded
" in " the interior formation concave-convex clutch structure of font partition wall.
The carbonization chamber wall 11 is bottom-up to be made up of polylith wall brick, and the upper and lower surface of every block of wall brick is provided with ditch tongue.
Following examples are implemented lower premised on technical solutions of the utility model, give detailed embodiment
With specific operating process, but protection domain of the present utility model is not limited to following embodiments.Side used in following embodiments
Method is conventional method unless otherwise instructed.
【Embodiment】
By taking 7m coke ovens as an example.
As shown in Fig. 2 conventional carbonization chamber wall 10 is plane towards the inner surface of flue side, born by coke oven furnace wall side
The thickness that lotus calculates conventional 7m coke furnace carbonization chambers wall is 95mm, i.e., the thickness of conventional carbonization chamber wall heat-transfer area is 95mm.
As shown in Fig. 2 conventional carbonization chamber wall 10 is by the side wall A1 close to the side of flue 8 and close to the side of carbonization chamber 2
Side wall B1 is constituted, the heat that side wall A1 is transmitted to side wall B1, can press the stable equation of heat conduction (Fourier law) of individual layer planomural near
Like calculating, i.e.,：Coke oven heat output Q1=λ F (t1-t2)/σ；Wherein λ be carbonization chamber wall thermal conductivity, F be carbonization chamber wall area, t1,
T2 is side wall A1 and side wall B1 mean temperature, and σ is the thickness of carbonization chamber wall heat-transfer area；It can be seen that, reduce carbonization chamber wall heat-transfer area
Thickness can increase the heat flow of coke oven combustion chamber-carbonization chamber.
As shown in figure 4, being the heat flow analysis cloud atlas that conventional 7m coke oven combustion chambers reach carbonization chamber；Utilize ANSYS softwares
After sunykatuib analysis, show that the evenly heat flow that conventional 7m coke oven combustion chambers reach carbonization chamber is 6.605 × 103W/m2。
As shown in figure 3, carbonization chamber wall 11 described in the utility model towards the side of flue 8 inner surface be concave structure,
The thickness that 7m coke furnace carbonization chambers wall 11 is drawn by coke oven furnace wall side carry calculation is 95mm, and the thickness at concave inside surface is
80mm, the integral thickness 95mm than carbonization chamber wall 11 is thinned 15mm.
As shown in figure 3, combustion chamber 3 described in the utility model is made up of flue 8, flue partition 9, carbonization chamber wall 11,
Heat is passed to the side wall B2 close to the side of carbonization chamber 2 by gas-fired from the side wall A2 close to the side of flue 8, and coking coal exists
Be heated destructive distillation coke in carbonization chamber 2.Side wall B2 heat is transmitted by side wall A2, the stable equation of heat conduction of individual layer planomural can be pressed
(Fourier law) approximate calculation, i.e.,：Q2=λ F (t3-t4)/σ, wherein λ be furnace wall thermal conductivity, F be carbonization chamber wall area, t3,
T4 is side wall A2 and side wall B2 mean temperature, and σ is the thickness of carbonization chamber wall heat-transfer area.
As shown in figure 5, being the heat flow that carbonization chamber is reached using the coke oven combustion chamber of carbonization chamber wall described in the utility model
Analyze cloud atlas；To ensure the structural strength and tightness of coke oven, the integral thickness of coke furnace carbonization chamber wall is still 95mm, but carbonization chamber
The thickness at wall heat-transfer area (concave inside surface) place is 80mm；After ANSYS software sunykatuib analyses, draw and use the utility model
The evenly heat flow that the 7m coke oven combustion chambers of the carbonization chamber wall reach carbonization chamber is 7.549 × 103W/m2。
Conclusion：Compared with the conventional coke oven of existing same type, it can be carried using the coke oven of carbonization chamber wall described in the utility model
The evenly heat flow of high combustion chamber-coking chamber more than 14%, significantly improves combustion chamber-coking chamber heat transfer efficiency, when shortening coking
Between, improve coke oven production efficiency.
Carbonization chamber wall in coke oven combustion chamber described in the utility model-carbonization chamber wall construction include by one block of overall wall brick or
Some blocks of wall bricks combine all technical schemes for the carbonization chamber wall with concave inside surface to be formed, any modification above
Or improve, it should be included within the utility model.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (3)
1. a kind of coke oven combustion chamber-carbonization chamber wall construction, the combustion chamber-coking chamber is by spaced group of combustion chamber and carbonization chamber
Into combustion chamber is made up of side by side multiple flues；Flue partition is set between each flue, charcoal is set between carbonization chamber and flue
The flue partition changed in room wall, carbonization chamber sets concave-convex clutch structure with carbonization chamber wall junction；Characterized in that, the charing
Room wall is concave structure towards the inner surface of flue side, and the thickness of concave inside surface is -10~15mm of carbonization chamber wall thickness.
2. a kind of coke oven combustion chamber-carbonization chamber wall construction according to claim 1, it is characterised in that the flue every
Wall by spaced I-shaped partition wall and " in " font partition wall constitutes, one end of carbonization chamber wall sets concave structure and " work " word
Shape partition wall formation concave-convex clutch structure, the other end sets or not set concave structure, and embedded " in " form bumps in font partition wall and sting
Close structure.
3. a kind of coke oven combustion chamber-carbonization chamber wall construction according to claim 1, it is characterised in that the carbonization chamber wall
Bottom-up to be made up of polylith wall brick, the upper and lower surface of every block of wall brick is provided with ditch tongue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720170400.6U CN206502775U (en) | 2017-02-24 | 2017-02-24 | A kind of coke oven combustion chamber carbonization chamber wall construction |
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| CN201720170400.6U CN206502775U (en) | 2017-02-24 | 2017-02-24 | A kind of coke oven combustion chamber carbonization chamber wall construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833683A (en) * | 2017-02-24 | 2017-06-13 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven combustion chamber carbonization chamber wall construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833683A (en) * | 2017-02-24 | 2017-06-13 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven combustion chamber carbonization chamber wall construction |
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