CN105087023B - A kind of coke dry quenching furnace - Google Patents
A kind of coke dry quenching furnace Download PDFInfo
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- CN105087023B CN105087023B CN201510502981.4A CN201510502981A CN105087023B CN 105087023 B CN105087023 B CN 105087023B CN 201510502981 A CN201510502981 A CN 201510502981A CN 105087023 B CN105087023 B CN 105087023B
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Abstract
A kind of coke dry quenching furnace, including coke dry quenching furnace body, its coke dry quenching furnace body are divided into the back taper section of straight section and the connection of straight section upper end；Interlinked along week in straight section and be connected at least 10 uniform escaping pipes, the upper end of escaping pipe is connected with annular gas collector, and air shooter is connected with annular gas collector.The present invention can thoroughly solve dry quenched coke oven chute destruction, the destruction of annular passage bulging causes the coke dry quenching furnace life-span low, use cost problem high, it is its simple structure, firm, it is easy to maintenance, usage cycles can be improved at least 2 years, and within the overhaul time was shortened to 40 days by original 75 90 days, cost reduces more than 50%.
Description
Technical field
The present invention relates to a kind of coke oven, a kind of coke dry quenching furnace is specifically belonged to.
Background technology
The country is for the thinking that the design of coke dry quenching furnace is along the Dry Quenching Technology of Japanese invention all the time, coke dry quenching furnace bag
The structure of cooling section, chute, annular passage is included, but because chute is more than 20 structure of list bracket supports, stress is big, the life-span
Typically only 1-2, changes nearly million yuan of cost of maintenance, and annular passage due to being flying shore every time, and inside and outside differential pressure is big, holds
Easily there is exception to collapse, hundreds thousand of units, each ten thousand yuan of coke dry quenching furnace overhaul cost about 100-300, time-consuming 75-90 are overhauled every time
My god, influence production.
From in terms of the patented technology document of retrieval：From the 75t/h coke dry quenching furnaces large-scale coke dry quenching furnace by now that Baosteel is introduced,
Structure prestores section, chute, annular passage, cooling section；The more problems that domestic dry coke quenching chute, annular passage go out；Mainly
It is the weight of the bracket supports annular passage interior wall of chute, pressure is big, is easily deformed, peels off, bursts.Annular passage is easily roused
It is swollen, collapse.
Chinese patent CN200910219854.8 documents, disclose the dry of a kind of annular passage with new construction and chute
Stove, including annular passage interior wall, chute are put out, it is that annular passage interior wall is suspended structure, and cylinder, fire resisting are cooled down by suspension type
Brick, castable and heat-barrier material are composited, and suspension type cooling cylinder integrally hangs in the metal structure of furnace shell interior wall, ring
The outside of shape air channel interior wall sets refractory brick, and center is cooling cylinder, and heat-barrier material is set between refractory brick and cooling cylinder,
Annular passage interior wall bottom sets castable.Lattice partition wall is set or is not provided with chute.What this structure was still used
Chute and annular air duct structure, its not only chute usage cycles it is short, annular passage easily occur it is abnormal collapse, and also exist by
Use suspension type to cool down cylinder in it, it is difficult to bear high temperature impact, deformation can be caused, refractory material is adapted to, and make effect
It is really not good enough.
A kind of Chinese patent CN200910219858.6 documents, there is provided coke dry quenching furnace of new construction, it include cooling chamber, tiltedly
Flue, annular passage and the room that prestores, it is cooling chamber diameter identical with the room diameter that prestores, oblique flue inside extension supporting；Ring
Horizontal support is set in shape air channel, half knee wall high is provided with.There is the destruction that still can't resolve bracket in it.
Chinese patent CN201020665264.6 documents, it provides a kind of coke dry quenching furnace, including outer walling, interior wall are built
It is prestore room, the interior wall in masonry between body, the chute between outer walling and interior walling bottom, the interior walling
It is circumferential in interior walling bottom interval along interior walling to be looped around the annular passage of the outdoor that prestores between masonry and outer walling
Be provided with one group of groove, the room of prestoring is connected by groove with annular passage, along interior walling circumference, above the groove in
One group of crossbeam is arranged at intervals between walling and outer walling.The pressure that interior walling middle part and middle and upper part are born is maximum,
And interior walling bottom is poor to the deformation restriction ability at middle part, therefore by setting up crossbeam, power is transferred to by exterior wall by crossbeam
Steel structure casing on the outside of masonry and outer walling, though the support and deformation constraint of internal walling can be effectively ensured, by
Middle and lower part is typically occurred in " bulge " phenomenon, crossbeam is difficult to prevent the bulging of refractory material, therefore solves " bulge " effect and fail to understand
It is aobvious.
Chinese patent CN200910248855.5, CN200920288492.3 document, including cooling chamber, oblique flue, ring
Shape air channel, prestore room, and it is, oblique mid-feather inside is cooling device, and outside is refractory brick.Cooling device uses metal knot
Structure；Snakelike gas passage is provided with cooling device, snakelike gas passage is connected by branch pipe with the gas pipeline of outside.Cooling
Device top is provided with brick plate, and the refractory material of brick plate upper and lower part is divided into two parts.It is oblique that the structure can extend coke dry quenching furnace
The service life of road partition wall, while simplifying the method for maintaining of coke dry quenching furnace chute partition wall, shortens maintenance cycle, reduces air
Import the investment with cooling gas return-flow system.But there is a problem of that chute cooling easily increases stress rupture, annular passage
It is still present.
The applicant is by a large amount of analysis experiments, it is believed that as long as chute is present, there is the problem of stress concentration, there is annular
, will there is inside and outside pressure difference in air channel structure, easily cause the destruction of furnace lining.Want to tackle the problem at its root, it is necessary to change
The structure of coke dry quenching furnace.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided a kind of simple structure, firm, easy to maintenance, usage cycles
It is improved, maintenance time shortens, the coke dry quenching furnace that the cost of overhaul is greatly reduced.
Realize the measure of above-mentioned purpose：
A kind of coke dry quenching furnace, including coke dry quenching furnace body, it is：Coke dry quenching furnace body is divided on straight section and straight section
Hold the back taper section of connection；Interlinked along week in straight section and be connected at least 10 uniform escaping pipes, the upper end of escaping pipe and ring
Shape discharge is connected, and air shooter is connected with annular gas collector.
It is：Mounting inclination angle degree between the straight section of escaping pipe and coke dry quenching furnace body is no more than 80 °.
Further：Escaping pipe setting height(from bottom) for straight section height 1/2 ~ 4/5 between.
Preferably：Escaping pipe setting height(from bottom) for straight section height 2/3 ~ 4/5 between.
It is：It is connected with heat-insulation layer, inner liner on outlet inside pipe wall in turn, and water collar is set with outside escaping pipe.
It is：It is connected with heat-insulation layer and working lining on annular gas collector in turn.
It is：The refractoriness of the inner liner of escaping pipe and the working lining of annular gas collector is not less than 1500 DEG C.
The present invention due to being provided with escaping pipe on the straight section of coke dry quenching furnace body, and by escaping pipe in annular gas collector
Connection, that replaces chute and annular passage, and escaping pipe outer shell uses water-cooled metal structure；Gas is entered by escaping pipe
Annular gas collector, annular gas collector instead of the function of annular passage.But its supporting construction is independent, in the absence of stress collection
Middle problem；Build by laying bricks or stones and be all in direct tube section and carry out, very fast, there is no the high cost for building chute by laying bricks or stones and slow building process.
The present invention compared with prior art, can thoroughly solve dry quenched coke oven chute destruction, and the destruction of annular passage bulging causes
The coke dry quenching furnace life-span is low, use cost problem high, its simple structure, firm, and easy to maintenance, usage cycles can improve at least 2
Year, within the overhaul time was shortened to 40 days by original 75-90 days, cost reduces more than 50%.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the overlooking the structure diagram of Fig. 1；
Fig. 3 is the mounting structure schematic diagram between the straight section of escaping pipe and coke dry quenching furnace body in Fig. 1；
Fig. 4 is the structural representation of escaping pipe in Fig. 1；
Fig. 5 is the structural representation of annular gas collector in Fig. 1；
In figure：1-coke dry quenching furnace body, 2-straight section, 3-back taper section, 4-fire door, 5-escaping pipe, 6-annular
Discharge, 7-air shooter, 8-heat-insulation layer, 9-inner liner, 10-water collar, 11-working lining.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
A kind of coke dry quenching furnace, including coke dry quenching furnace body 1,1 point of its coke dry quenching furnace body are on straight section 2 and straight section 2
Hold the fire door 4 processed in the back taper section 3 and back taper section 3 of connection；In straight section 2 bolt or welding manner are used along Zhou Xiangtong
It is connected with least 10 uniform escaping pipes 5, the mounting inclination angle degree between escaping pipe 5 and the straight section 2 of coke dry quenching furnace body 1
No more than 80 °, and the setting height(from bottom) of escaping pipe 5 is the 1/2 or 2/3 or 4/5 of the height of straight 2, upper end and the annular of escaping pipe 5
Discharge 6 is welded to connect and communicates, and the air shooter 7 for communicating is welded to connect with annular gas collector 6.
There are heat-insulation layer 8 and refractoriness to be not less than 1500 DEG C using bonding or mode connects for screw successively on the inwall of escaping pipe 5
Water collar 10 is provided with the inner liner 9 of refractory material, and steel construction outside escaping pipe 5.
Be connected with turn on annular gas collector has heat-insulation layer 8 and refractoriness to be not less than using bonding or mode connects for screw
The working lining 11 of 1500 DEG C of refractory material.
The material selection cast copper or cast steel or ironcasting of escaping pipe 5.
Operation principle：The maximum feature of coke dry quenching furnace of the invention is exactly that the chute bracket for changing existing coke dry quenching furnace sets
The structure of meter and annular passage, eliminates the excessive problem of the stress concentration and stress of chute bracket, eliminates annular passage
Design, does not have the inside and outside differential pressure of interior wall.By in coke dry quenching furnace direct tube section, at least 10 uniform escaping pipes 5, escaping pipe 5 are set
And the mounting inclination angle degree between the straight section 2 of coke dry quenching furnace body 1 is no more than 80 °, and the setting height(from bottom) of escaping pipe 5 is straight
The 1/2 or 2/3 or 4/5 of the height of shape 2, the upper end of escaping pipe 5 is welded to connect and communicates with annular gas collector 6.This part just replaces
Chute and bracket, it does not exist the big pressure in top and stress concentration, stress is completely abolished together with metal structure shell
The design of chute and bracket.Annular gas collector is provided with outside dry coke quenching, is arranged by air shooter after receiving coke dry coke quenching
The hot gas for going out, this part-structure instead of the function of annular passage.It is connected with heat-insulation layer, liner on outlet inside pipe wall in turn
Layer, and water collar is set with outside escaping pipe；It is connected with heat-insulation layer and working lining on annular gas collector in turn；The liner of escaping pipe
The refractoriness of the working lining of layer and annular gas collector is not less than 1500 DEG C.It is such to design conveying and the furnace lining that ensure that hot gas
High temperature life, be also convenient for repair change, the time shorten.Gas in straight section 2 enters annular gas collector through escaping pipe 5
6, the air shooter 7 on through annular gas collector 6 feeds gas into steam boiler generating.
This specific embodiment is only most preferably to enumerate, not to the restricted implementation of technical solution of the present invention.
Claims (7)
1. a kind of coke dry quenching furnace, including coke dry quenching furnace body, it is characterised in that：Coke dry quenching furnace body is divided into straight section and straight section
The back taper section of upper end connection；Interlink and be connected at least 10 uniform escaping pipes along week in straight section, the upper end of escaping pipe with
Annular gas collector is connected, and air shooter is connected with annular gas collector.
2. a kind of coke dry quenching furnace as claimed in claim 1, it is characterised in that：The straight section of escaping pipe and coke dry quenching furnace body it
Between mounting inclination angle degree be no more than 80 °.
3. a kind of coke dry quenching furnace as claimed in claim 1, it is characterised in that：Escaping pipe setting height(from bottom) is the 1/ of straight section height
Between 2 ~ 4/5.
4. a kind of coke dry quenching furnace as claimed in claim 1, it is characterised in that：Escaping pipe setting height(from bottom) is the 2/ of straight section height
Between 3 ~ 4/5.
5. a kind of coke dry quenching furnace as claimed in claim 1, it is characterised in that：Be connected with turn on outlet inside pipe wall heat-insulation layer,
Inner liner, and water collar is set with outside escaping pipe.
6. a kind of coke dry quenching furnace as claimed in claim 1, it is characterised in that：Be connected with turn on annular gas collector heat-insulation layer and
Working lining.
7. a kind of coke dry quenching furnace as described in claim 5 or 6, it is characterised in that：The inner liner and annular gas collector of escaping pipe
The refractoriness of working lining be not less than 1500 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502981.4A CN105087023B (en) | 2015-08-17 | 2015-08-17 | A kind of coke dry quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502981.4A CN105087023B (en) | 2015-08-17 | 2015-08-17 | A kind of coke dry quenching furnace |
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| CN105087023A CN105087023A (en) | 2015-11-25 |
| CN105087023B true CN105087023B (en) | 2017-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105694922B (en) * | 2016-03-11 | 2019-01-08 | 烟台大学 | A kind of new structure quenching furnace |
| CN108624338A (en) * | 2017-03-17 | 2018-10-09 | 五冶集团上海有限公司 | A kind of especially big Formed Coke Furnace gas gathering system installation method |
| CN108913169B (en) * | 2018-09-10 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Dry quenching furnace with water-cooling support frame and annular pre-chamber and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2391379C1 (en) * | 2008-11-20 | 2010-06-10 | Государственное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" | Dry coke quenching method |
| CN104650930A (en) * | 2013-11-18 | 2015-05-27 | 上海梅山钢铁股份有限公司 | Dry quenching air introduction control method |
| CN203741268U (en) * | 2014-03-07 | 2014-07-30 | 北京华泰焦化工程技术有限公司 | Dry quenching equipment |
| CN203866244U (en) * | 2014-06-06 | 2014-10-08 | 武汉钢铁(集团)公司 | Dry coke quenching furnace |
| CN204185430U (en) * | 2014-11-12 | 2015-03-04 | 中冶焦耐工程技术有限公司 | A kind of packaged type dry coke quenching stove |
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Effective date of registration: 20170711 Address after: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuhan, Hubei Friendship Road, No. 999, Wuchang Patentee before: Wuhan Iron & Steel (Group) Corp. |
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