CN106147796B - Improved 7 points 63 meters of coke oven lids, stove circle production methods - Google Patents
Improved 7 points 63 meters of coke oven lids, stove circle production methods Download PDFInfo
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- CN106147796B CN106147796B CN201510166470.XA CN201510166470A CN106147796B CN 106147796 B CN106147796 B CN 106147796B CN 201510166470 A CN201510166470 A CN 201510166470A CN 106147796 B CN106147796 B CN 106147796B
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Abstract
A kind of improved 7 points 63 meters of coke oven lids, stove circle production methods, it is characterised in that include the following steps：A is on the circumference of stove circle foundation ring by cross symmetrical length and width of adding for the steel plate of 100 × 75mm, the constant upper dimension of b bells is still 625mm, welding and assembling height is the anchoring piece of 80mm under upper magnetic carbon steel cover board, cancel the thermal insulation board of bottom disk, bottom size diameter is reduced, so that bottom is become the circular hole of a diameter of 410mm, increases its gap with stove circle；Bell surrounding, which is mentioned, is changed to 4, with symmetrical with cross point on bell circumference.Improved 7 points 63 meters of coke oven lids of the present invention, stove circle production method have bell, stove circle easy to make, stove circle is set to be not easy to loosen, bell is conveniently opened, covers and close action, takes off bell in production, more than clear graphite when the operations such as coal, eliminate that stove circle is vibrated, the advantage for the fire that prevents from smoldering, alter.
Description
Technical field
The present invention relates to a kind of coke oven lid, stove circle production methods, specifically, being a kind of improved 7 points 63 meters of cokes
Stove bell, stove circle production method.
Background technology
Hole bell of coalingging at the top of seven points 63 M carbonizing chamber of coke oven takes because design reasons are unfavorable for automatic and artificial lid of taking off
It covers bells and stove circle design gaps is too small, bell high temperature heat expansion, causes bell to be stuck in stove circle in production, and it is difficult to take off lid.Together
When stove circle inner wall remained in due to the graphite in production process, when automatic cover bell, bell and stove circle gap are too small.It will produce stove
Lid lid is not tight, influences the sealing of bell, flue-gas in stove, flame is made to scurry out, and pollutes environment.
Fig. 1 is the separate state diagram of known bell and stove circle, and Fig. 2 is the combination of known bell and stove circle
Status diagram.
Due to needing to rotate bell in coal car automatic open and lid bell, with this to the remaining coal or graphite at stove circle fire door
It is cleared up, or using manually lid is taken off, manually the graphite at stove circle is cleared up.During this, because rotating bell,
When graphite condensation is more along stove circle inner periphery generation tangential force, especially stove circle, bell rotational resistance is bigger, what stove circle was received
Tangential force is bigger.Stove circle forced vibration is caused, is loosened, the sealing with surrounding castable refractory is influenced, stove circle surrounding is caused to emit
Cigarette alters fire, is adversely affected to environment.When using manually carrying out taking off lid cleaning graphite, the operations such as worker prizes, takes off, shoveling, smashing
Also it be easy to cause stove circle to be hit force vibration, is combined loosening with castable refractory, stove circle surrounding is smoldered caused by poor sealing
Fiery problem is altered, environment is polluted.
Therefore known 7 points 63 meters of coke oven lids, stove circle production method there are problems that it is above-mentioned various inconvenient and.
Invention content
The present invention overcomes the disadvantages of the prior art, by the design of stove circle bell, experiment and research repeatedly, provides
Improved 7 points 63 meters of coke oven lids, stove circle production methods can be eliminated in production because taking off bell, the operations such as coal more than clear graphite
When stove circle stress shock and vibration and cause to loosen, what seal failure generated smolders and alters fire, eliminates the unfavorable shadow caused by environment
It rings.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：
Improved 7 points 63 meters of coke oven lids, the stove circle production methods of the present invention, it is characterised in that include the following steps：
A, stove circle foundation ring circle adds rectangular steel plates
The ironware that stove circle before improvement is internal diameter 540mm；Bell before improvement is up big and down small castiron shell, interior
Portion is hollow, fills resistance to material；Bell top is 625mm magnetic carbon steel deck-plates, and bottom is the thermal insulation board of disk, with cast housing
It is integrated.Size is 535mm；
The corrective measure of stove circle is：By cross symmetrical length and width of adding for the steel of 100 × 75mm on the circumference of stove circle foundation ring
Plate, increase castable refractory pressure contacting surface product makes stove circle more firm stable, in bell under the action of the castable of surrounding compacting
When rotation and artificial sled take off lid action, it is not easy to loosen；
B, bell is added anchoring piece, is mentioned, and improves filling fire resisting material inside bell
The corrective measure of bell is：To coordinate with stove circle, the constant upper dimension of bell is still 625mm, in upper magnetic
Welding and assembling height is the anchoring piece of 80mm under carbon steel cover board, cancels the thermal insulation board of bottom disk, bottom size diameter is reduced, is made
Bottom becomes the circular hole of a diameter of 410mm, increases its gap with stove circle；Bell surrounding, which is mentioned, is changed to 4, with bell circumference
On it is symmetrical with cross point；Paste 10mm thick fiber felts when filling resistance to material inside to entire bell into lid from bottom circular aperture
It is poured into a mould afterwards with lightening casting material or heavy castable, to reduce expansion.
After adopting the above technical scheme, improved 7 points 63 meters of coke oven lids, the stove circle production methods of the present invention have
Following advantages：
1, bell, stove circle are easy to make, and stove circle is made to be not easy to loosen, and bell is convenient for opening, covering and close action；
2, bell is taken off in producing, more than clear graphite when the operations such as coal, eliminate stove circle and be hit caused by vibration and loosen, and
It smolders caused by seal failure and alters fire；
3, the adverse effect caused by environment is eliminated.
Description of the drawings
Fig. 1 is the separate state diagram of known bell and stove circle；
Fig. 2 is the bonding state schematic diagram of known bell and stove circle；
Fig. 3 is the stove circle structure and size figure before the improvement of the embodiment of the present invention；
Fig. 4 is the vertical view of Fig. 3；
Fig. 5 is the furnace cover structure schematic diagram before the improvement of the embodiment of the present invention；
Fig. 6 is the vertical view of Fig. 5；
Fig. 7 is the improved stove circle structural schematic diagram of the embodiment of the present invention；
Fig. 8 is the vertical view of Fig. 7；
Fig. 9 is the improved furnace cover structure schematic diagram of the embodiment of the present invention；
Figure 10 is the vertical view of Fig. 9.
In figure：1 bell top, 2 mention, 3 stove circles, 4 bell lower parts, refractory material in 5 bells, 6 castables, 7 magnetic carbons
Steel deck-plate, 8 positioning pins, 9 take off cap bore, 10 cast housings, 11 hexagon socket head cap screws, 12 disk thermal insulation boards, 13 anchoring pieces.
Specific implementation mode
With reference to embodiments and its attached drawing illustrates further the present invention.
Embodiment 1
Improved 7 points 63 meters of coke oven lids, the stove circle production methods of the present invention includes the following steps：
A, stove circle foundation ring circle adds rectangular steel plates
It is the stove circle structure and size figure before the improvement of the embodiment of the present invention referring now to Fig. 3-6, Fig. 3, Fig. 4 is bowing for Fig. 3
View, Fig. 5 are the furnace cover structure schematic diagram before the improvement of the embodiment of the present invention, and Fig. 6 is the vertical view of Fig. 5.Stove circle before improvement
It is diameter（Internal diameter）For the ironware of 540mm, because foundation ring and castable refractory engaging portion are too small, fixing-stable effect is limited, in coal
Vehicle takes off lid and rotates clear coal and graphite in the process and during artificial sled takes off lid, cleaning graphite, easily causes the loosening of stove circle stress.
In addition the bell before improving is up big and down small castiron shell, and inside is hollow, fills resistance to material.Bell top is 625mm
Magnetic carbon steel deck-plate can open top cover board inside bell when filling fire resisting material.Bell upper furnace has chamfering along place, with
The chamfering of stove circle can coordinate tightly, play sealing function.Bottom is the thermal insulation board of 535mm disks, is integrated with cast housing.
Fig. 7 is the improved stove circle structural schematic diagram of the embodiment of the present invention, and Fig. 8 is the vertical view of Fig. 7.
The corrective measure of stove circle is：By cross symmetrical length and width of adding for the steel of 100 × 75mm on the circumference of stove circle foundation ring
Plate, increase castable refractory pressure contacting surface product makes stove circle more firm stable, in bell under the action of the castable of surrounding compacting
When rotation and artificial sled take off lid action, it is not easy to loosen.
B, bell is added anchoring piece, is mentioned, and improves filling fire resisting material inside bell
Fig. 9 is the improved furnace cover structure schematic diagram of the embodiment of the present invention, and Figure 10 is the vertical view of Fig. 9.
The corrective measure of bell is：
To coordinate with stove circle, bell upper dimension does not become 625mm, and welding and assembling height is under upper magnetic carbon steel cover board
The anchoring piece of 80mm cancels the thermal insulation board of bottom disk, bottom size diameter is reduced, and bottom is made to become a diameter of 410mm
Circular hole, increase its gap with stove circle.Bell surrounding, which is mentioned, is changed to 4, symmetrically to be divided with cross point on bell circumference
Cloth.It is pasted into lid from bottom circular aperture when filling resistance to material inside to entire bell after 10mm thick fiber felts with lightening casting material or again
Matter castable is poured into a mould, and expansion is reduced.
The present invention has substantive distinguishing features and significant technological progress, improved 7 points 63 meters of coke oven stoves of the invention
Lid, stove circle production method, by stove circle bell design experiment, increasing the fastness of stove circle, reduce bell bottom ruler according to scene
It is very little, it mentions bell is provided circumferentially about（It mentions and is distributed on bell circumference, be in cross layout）, stove circle is removed when rotating
Coal or graphite more than mouthful make stove circle when bell rotates or manually takes off lid, and stress is smaller, and is unlikely to loosen, and prevents inner flue gas of the stove
Flame is emerged.
Above example is 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 should also belong to scope of the invention, should be limited by each claim.
Claims (1)
1. a kind of improved 7.63 meters of coke oven lids, stove circle production method, it is characterised in that include the following steps：
A, stove circle foundation ring circle adds rectangular steel plates
The ironware that stove circle before improvement is internal diameter 540mm；Bell before improvement is up big and down small castiron shell, and inside is
It is hollow, fill resistance to material；Bell top is 625mm magnetic carbon steel deck-plates, and bottom is the thermal insulation board of disk, is one with cast housing
Body；
Size is 535mm；
The corrective measure of stove circle is：Increase for the steel plate of 100 × 75mm by cross symmetrical length and width of adding on the circumference of stove circle foundation ring
Add castable refractory pressure contacting surface product；
B, bell is added anchoring piece, is mentioned, and improves filling fire resisting material inside bell
The corrective measure of bell is：To coordinate with stove circle, the constant upper dimension of bell is still 625mm, in upper magnetic carbon steel
Welding and assembling height is the anchoring piece of 80mm under cover board, cancels the thermal insulation board of bottom disk, bottom size diameter is reduced, bottom is made
As the circular hole of a diameter of 410mm, its gap with stove circle is increased；Bell surrounding, which is mentioned, is changed to 4, on bell circumference with
It is cross symmetrical；It is used gently after pasting 10mm thick fiber felts into lid from bottom circular aperture when filling resistance to material inside to entire bell
Matter castable or heavy castable are poured into a mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166470.XA CN106147796B (en) | 2015-04-10 | 2015-04-10 | Improved 7 points 63 meters of coke oven lids, stove circle production methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166470.XA CN106147796B (en) | 2015-04-10 | 2015-04-10 | Improved 7 points 63 meters of coke oven lids, stove circle production methods |
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| Publication Number | Publication Date |
|---|---|
| CN106147796A CN106147796A (en) | 2016-11-23 |
| CN106147796B true CN106147796B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510166470.XA Active CN106147796B (en) | 2015-04-10 | 2015-04-10 | Improved 7 points 63 meters of coke oven lids, stove circle production methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107726857A (en) * | 2017-11-25 | 2018-02-23 | 郑州远东耐火材料有限公司 | Electric arc furnace body structure |
Citations (6)
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|---|---|---|---|---|
| JP2006342220A (en) * | 2005-06-08 | 2006-12-21 | Nippon Steel Corp | Device for burning carbon attached to periphery of carbon-charging port of coke furnace |
| CN101008501A (en) * | 2005-12-28 | 2007-08-01 | 谭光武 | A set of special type sealing furnace rings |
| CN200943065Y (en) * | 2006-09-02 | 2007-09-05 | 攀枝花新钢钒股份有限公司 | Coke oven coal-filling port ring |
| CN202175649U (en) * | 2011-07-14 | 2012-03-28 | 新兴铸管股份有限公司 | Coal containing and smoke guiding water seal device of coke oven |
| CN202401020U (en) * | 2012-01-06 | 2012-08-29 | 时中林 | Energy-saving and environment-friendly furnace cover for coking |
| CN203048871U (en) * | 2013-01-18 | 2013-07-10 | 宁波钢铁有限公司 | Energy-saving preserving coke oven cover |
-
2015
- 2015-04-10 CN CN201510166470.XA patent/CN106147796B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006342220A (en) * | 2005-06-08 | 2006-12-21 | Nippon Steel Corp | Device for burning carbon attached to periphery of carbon-charging port of coke furnace |
| CN101008501A (en) * | 2005-12-28 | 2007-08-01 | 谭光武 | A set of special type sealing furnace rings |
| CN200943065Y (en) * | 2006-09-02 | 2007-09-05 | 攀枝花新钢钒股份有限公司 | Coke oven coal-filling port ring |
| CN202175649U (en) * | 2011-07-14 | 2012-03-28 | 新兴铸管股份有限公司 | Coal containing and smoke guiding water seal device of coke oven |
| CN202401020U (en) * | 2012-01-06 | 2012-08-29 | 时中林 | Energy-saving and environment-friendly furnace cover for coking |
| CN203048871U (en) * | 2013-01-18 | 2013-07-10 | 宁波钢铁有限公司 | Energy-saving preserving coke oven cover |
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| Publication number | Publication date |
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| CN106147796A (en) | 2016-11-23 |
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