CN206512136U - A kind of heat stepwise reheat tamping coke-oven - Google Patents
A kind of heat stepwise reheat tamping coke-oven Download PDFInfo
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- CN206512136U CN206512136U CN201621365738.9U CN201621365738U CN206512136U CN 206512136 U CN206512136 U CN 206512136U CN 201621365738 U CN201621365738 U CN 201621365738U CN 206512136 U CN206512136 U CN 206512136U
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- China
- Prior art keywords
- flue
- regenerator
- carbonization chamber
- coal gas
- reheat
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- 238000003763 carbonization Methods 0.000 claims abstract description 36
- 239000003034 coal gas Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 20
- 239000011449 brick Substances 0.000 claims description 29
- 239000000571 coke Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 9
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 4
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Coke Industry (AREA)
Abstract
A kind of heat stepwise reheat tamping coke-oven, belongs to Technology of Stamp Charged Coke Oven field.Including bottom flue, regenerator, chute, combustion chamber, carbonization chamber, furnace roof；Bottom flue is located at the bottom of regenerator, and regenerator is located at the bottom of carbonization chamber and combustion chamber, and regenerator is connected with combustion chamber by chute, and coal gas and air outlet slit one are arranged in flue bottom, and coal gas and air outlet slit two are arranged in the middle part of flue partition；Carbonization chamber length is that 15980~17000mm, taper are 20~40mm, flue bottom coal gas and air outlet slit one, gas port size80 × 160~100 × 200mm of air port size.Advantage is that the effectively NOx content in reduction waste gas, reduction atmosphere pollution meets new environmental law relevant regulations, realize efficient energy-saving and emission-reducing.
Description
Technical field
The utility model belongs to Technology of Stamp Charged Coke Oven field, more particularly to a kind of heat stepwise reheat tamping coke-oven.Especially
It is related under a kind of twinflue, waste gas circulation, coke-stove gas that spray, air and poor gas side enter, regenerator lattice is lowered, segmentation
The reheat tamping coke-oven of heating.
Background technology
What China newly promulgated《Coking chemistry emission of industrial pollutants standard》Provide, coke oven chimney NOx emission limit value is
500mg/m3；Especially area especially limit value is 150mg/m3.It can be seen from domestic existing coke oven measured data, with coke-stove gas plus
NOx emission concentration is about 800mg/m in burning waste gas when hot3Left and right, it is impossible to meet new environmental regulation requirement.
Therefore the purpose of this utility model is a kind of coke oven for meeting new environmental regulation requirement of research.Grind on this basis
Study carefully the 6m tamping coke furnaces for developing heat stepwise, the type of furnace remains the advantage of 6m tops dress and tamping coke furnace, employs heat stepwise
The technology being combined with waste gas circulation, is effectively reduced the NOx content in coke oven chimney exhaust gas, reduces the pollution to air, can
To meet limit value requirement of the new environmental regulation to NOx in coke oven smoke stack emission waste gas.
The content of the invention
The purpose of this utility model is to provide a kind of heat stepwise reheat tamping coke-oven, solves and use coke oven at present
Burning waste gas concentration is high during heated by gas, pollute weight, it is impossible to meet the problem of new environmental law is provided.
A kind of heat stepwise reheat tamping coke-oven, including bottom flue 1, regenerator 2, chute 3, combustion chamber 4, carbonization chamber 5,
Furnace roof 6；Bottom flue 1 is located at the bottom of regenerator 2, and regenerator 2 is located at the bottom of carbonization chamber 5 and combustion chamber 4, regenerator 2 and combustion
Burn room 4 by chute 3 to be connected, furnace roof 6 is located at the top of carbonization chamber 5 and combustion chamber 4, carbonization chamber 5 is alternate with combustion chamber 4 to be arranged,
Carbonization chamber 5 is surrounded and formed by carbonization chamber wall 7, chute 3, furnace roof 6, and combustion chamber 4 is by carbonization chamber wall 7, flue partition 8, pusher side stove
First 9, coke side burner 10, flue 11 are constituted, and coal gas and air outlet slit 1 are arranged in the bottom of flue 11, in flue partition
8 middle part arrangement coal gas and air outlet slit 2 13.
The length of carbonization chamber 5 is 15980~17000mm, be highly 6000mm, width is 500~550mm, taper is 20~
40mm, centre-to-centre spacing is 1400~1500mm, and heat levels are highly 800~1000mm.
Connection chute air inlet is built by laying bricks or stones in flue partition 8 to the coal gas and air between coal gas and air outlet slit 2 13
Passage, is divided into two parts, a part is sent directly into flue bottom coal gas and sky by the coal gas and air of outside feeding in chute
Gas outlet 1, a part delivers to coal gas and air outlet slit 2 13, coal gas and air outlet slit one through the passage on flue partition 8
12 gas port size80 × 160~100 × 200mm of air port size；Coal gas and sky in flue partition
60 × 60~90 × 90mm of gas channel size；Portion's coal gas and air outlet slit 13 are 1800~2100mm away from flue distance from bottom,
40 × 80~60 × 90mm of opening size.
Regenerator partition wall 14 is set by regenerator lattice along the length direction of regenerator 2, per lattice regenerator 2 built with checker brick
15。
The top of bottom flue 1 sets double-edged fine-toothed comb brick 16, correspondingly per lattice regenerator setting adjustment hole 17 and adjusting brick 18.
2~4 blocks of high-alumina bricks are built by laying bricks or stones respectively outside the shop fixtures brick of carbonization chamber 3, coke side two ends and stove shoulder, and middle part builds silica brick by laying bricks or stones,
Shop fixtures brick thickness is 100~120mm.
The utility model has the advantage of：
1st, new Type Coke Oven uses the combined burning technology that heat stepwise is combined with waste gas circulation, is effectively reduced in waste gas
NOx content, reduce pollution to air, while also improving height to heating uniformity, make charge of coke upper, middle and lower ripe uniform.
2nd, the section in grate hole is adjusted by adjusting brick, control enters the flow of the air and coal gas per lattice regenerator, protected
The length of coke oven is demonstrate,proved to homogeneous heating, hot working efficiency is high, is readily available rational horizontally-arranged temperature, makes charge of coke length uniform to maturation.
3rd, exhaust gases after combustion is by crossing over the flue that hole enters down current at the top of flue, in regenerator and 15 cells
Waste gas sensible heat is reclaimed in sub- brick heat exchange, and coal gas and air for heating ascending air save the energy.
Brief description of the drawings
Fig. 1 is coke oven elevational schematic.Wherein, bottom flue 1, regenerator 2, chute 3, combustion chamber 4, carbonization chamber 5, furnace roof 6,
Carbonization chamber wall 7, air outlet slit 1, air outlet slit 2 13.
Fig. 2 is coke oven combustion chamber, regenerator, bottom flue sectional view.Wherein, flue partition 8, pusher side burner 9, coke side stove
First 10, flue 11, air outlet slit 2 13, regenerator partition wall 14, checker brick 15.
Fig. 3 is a flue bottom opening schematic diagram.Wherein, air outlet slit 1.
Fig. 4 is double-edged fine-toothed comb brick layer schematic diagram at the top of a lattice regenerator bottom flue.Wherein, double-edged fine-toothed comb brick 16, adjustment hole 17, adjusting brick
18。
Embodiment
Embodiment 1
Illustrate embodiment of the present utility model below in conjunction with the accompanying drawings.
A kind of heat stepwise reheat tamping coke-oven, including bottom flue 1, regenerator 2, chute 3, combustion chamber 4, carbonization chamber 5,
Furnace roof 6；Bottom flue 1 is located at the bottom of regenerator 2, and regenerator 2 is located at the bottom of carbonization chamber 5 and combustion chamber 4, regenerator 2 and combustion
Burn room 4 by chute 3 to be connected, furnace roof 6 is located at the top of carbonization chamber 5 and combustion chamber 4, carbonization chamber 5 is alternate with combustion chamber 4 to be arranged,
Carbonization chamber 5 is surrounded and formed by carbonization chamber wall 7, chute 3, furnace roof 6, and combustion chamber 4 is by carbonization chamber wall 7, flue partition 8, pusher side stove
First 9, coke side burner 10, flue 11 are constituted, and coal gas and air outlet slit 1 are arranged in the bottom of flue 11, in flue partition
8 middle part arrangement coal gas and air outlet slit 2 13.
Carbonization chamber length is 15980mm, and carbonization chamber is highly 6000mm, the average width 500mm, carbonization chamber taper of carbonization chamber
30mm, carbonization chamber centre-to-centre spacing is 1400mm, and heat levels are highly 805mm.
Connection chute air inlet is built by laying bricks or stones in flue partition 8 to the coal gas and air between coal gas and air outlet slit 2 13
Passage, is divided into two parts, a part is sent directly into flue bottom coal gas and sky by the coal gas and air of outside feeding in chute
Gas outlet 1, a part delivers to coal gas and air outlet slit 2 13, coal gas and air outlet slit one through the passage on flue partition 8
12 gas port sizeCoal gas and air duct size 85 in 80 × 175mm of air port size, flue partition ×
85mm, coal gas and air outlet slit 2 13 are 1880mm, 55 × 85mm of opening size away from flue distance from bottom.
To make coal gas and air into each flue uniform, 15 road partition walls are built by laying bricks or stones by accumulation of heat along regenerator length direction
Room is divided into 16 lattice, is used for absorbing release heat when decline waste-gas heat commutation is ascending air per the built-in 24 layers of checker brick of lattice regenerator
Amount, saves the energy.
Prevent rapid heat cycle from causing carbonization chamber two ends shop fixtures brick to degrade, be broken, improve coke oven bulk life time, carbonization chamber shop fixtures
Build 4 blocks of high-alumina bricks outside brick machine, coke side two ends and stove shoulder by laying bricks or stones respectively, middle part is 100mm with silica brick, shop fixtures brick thickness is built by laying bricks or stones.
Claims (6)
1. a kind of heat stepwise reheat tamping coke-oven, it is characterised in that including bottom flue (1), regenerator (2), chute (3),
Combustion chamber (4), carbonization chamber (5) and furnace roof (6)；Bottom flue (1) is located at the bottom of regenerator (2), and regenerator (2) is located at carbonization chamber
(5) and combustion chamber (4) bottom, regenerator (2) is connected with combustion chamber (4) by chute (3), and furnace roof (6) is located at carbonization chamber (5)
With the top of combustion chamber (4), carbonization chamber (5) and the alternate arrangement in combustion chamber (4), carbonization chamber (5) is by carbonization chamber wall (7), chute
(3), furnace roof (6), which surrounds, forms.
2. heat stepwise reheat tamping coke-oven according to claim 1, it is characterised in that combustion chamber (4) are by carbonization chamber
Wall (7), flue partition (8), pusher side burner (9), coke side burner (10) and flue (11) composition, in flue (11) bottom
Coal gas and air outlet slit one (12) are arranged, the arrangement air outlet slit two (13) in the middle part of flue partition (8).
3. heat stepwise reheat tamping coke-oven according to claim 1, it is characterised in that described carbonization chamber (5) is long
Degree is 15980~17000mm, be highly 6000mm, mean breadth is 500~550mm, and taper is 20~40mm, and centre-to-centre spacing is
1400~1500mm, heat levels are highly 800~1000mm.
4. heat stepwise reheat tamping coke-oven according to claim 1, it is characterised in that in flue partition (8)
Connection chute air inlet is built by laying bricks or stones to the coal gas and air duct between coal gas and air outlet slit two (13), coal gas and air outlet slit one
(12) gas port size 40~50mm of φ, 80 × 160~100 × 200mm of air port size；Coal gas and sky in flue partition
60 × 60~90 × 90mm of gas channel size；Coal gas and air outlet slit (13) are 1800~2100mm away from flue distance from bottom,
40 × 80~60 × 90mm of opening size.
5. heat stepwise reheat tamping coke-oven according to claim 1, it is characterised in that along regenerator (2) length side
To regenerator partition wall (14) is set, regenerator (2) is built with checker brick (15).
6. heat stepwise reheat tamping coke-oven according to claim 1, it is characterised in that described bottom flue (1) top
Portion sets double-edged fine-toothed comb brick (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365738.9U CN206512136U (en) | 2016-12-13 | 2016-12-13 | A kind of heat stepwise reheat tamping coke-oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365738.9U CN206512136U (en) | 2016-12-13 | 2016-12-13 | A kind of heat stepwise reheat tamping coke-oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512136U true CN206512136U (en) | 2017-09-22 |
Family
ID=59862063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621365738.9U Active CN206512136U (en) | 2016-12-13 | 2016-12-13 | A kind of heat stepwise reheat tamping coke-oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206512136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728127A (en) * | 2018-07-31 | 2018-11-02 | 中冶焦耐(大连)工程技术有限公司 | Low-nitrogen emission coke oven heating system and its adjustment method using rich gas heating |
| CN111171846A (en) * | 2019-12-27 | 2020-05-19 | 中冶焦耐(大连)工程技术有限公司 | A New Type of Coke Oven Slope Area Structure |
-
2016
- 2016-12-13 CN CN201621365738.9U patent/CN206512136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728127A (en) * | 2018-07-31 | 2018-11-02 | 中冶焦耐(大连)工程技术有限公司 | Low-nitrogen emission coke oven heating system and its adjustment method using rich gas heating |
| CN108728127B (en) * | 2018-07-31 | 2023-08-25 | 中冶焦耐(大连)工程技术有限公司 | Low-nitrogen-emission coke oven heating system adopting rich gas heating and adjusting method thereof |
| CN111171846A (en) * | 2019-12-27 | 2020-05-19 | 中冶焦耐(大连)工程技术有限公司 | A New Type of Coke Oven Slope Area Structure |
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