CN106276030A - The way of transportation of waste material is removed in a kind of coke dry quenching furnace overhaul - Google Patents
The way of transportation of waste material is removed in a kind of coke dry quenching furnace overhaul Download PDFInfo
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- CN106276030A CN106276030A CN201510247894.9A CN201510247894A CN106276030A CN 106276030 A CN106276030 A CN 106276030A CN 201510247894 A CN201510247894 A CN 201510247894A CN 106276030 A CN106276030 A CN 106276030A
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- chute
- ground
- waste material
- dry quenching
- coke dry
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Abstract
The way of transportation of waste material is removed in a kind of coke dry quenching furnace overhaul, it is characterized in that comprising the following steps: a makes feeding chute, b sets up integral-scaffold operating platform and the connection of c chute and installation, when the installation of chute, midget plant below blast cap is removed, make chute can pass through at blast cap, a through blanking channel can be formed to ground from top to bottom from removing point, after waste material enters feeding chute, directly come down in torrents to waste from stacking platform or ground, it is achieved thereby that waste material settles at one go from dismounting point is transported to waste from stacking platform or ground.The coke dry quenching furnace overhaul of the present invention is removed the way of transportation of waste material and is had the dismounting efficiency being greatly improved dry coke quenching overhaul, on the premise of guaranteeing quality and safety, it is possible to shorten the advantage removing the duration largely.
Description
Technical field
The present invention relates to a kind of material transportation method during stove is safeguarded, specifically, be the way of transportation of a kind of dry coke quenching overhaul dismounting waste material.
Background technology
After coke dry quenching furnace is gone into operation 1 year, in coke dry quenching furnace, the refractory material of different parts there will be breakage, fracture, even collapses, and need to stop production the maintenance carried out in various degree.Coke dry quenching furnace device will carry out periodic inspection every year at present, and the refractory material peeling off each portion faces is repaired, and about will repair in carrying out about 3 years ' operation, runs about 10 years, must be removed by all of refractory material and change, i.e. dry coke quenching overhaul.
Coke dry quenching furnace is removed waste material transportation construction technology and is based on National Standard of the People's Republic of China's specification " construction safety check criteria " (JGJ59-2011) and " Code for design of industrial metakkic pipeline engineering " (GB50235-2010) be designed.
Original resistance to material need to all be changed by coke dry quenching furnace overhaul, removes the duration longer.In operation is removed in overhaul, waste material transportation is most important of which one ring, and conventional technology is to set up scaffold, starts from top to down to remove, and the waste material after then using electric block to remove winches to manhole at dismounting, is then transported by manpower.Using the mode of this kind, the dismounting time of needs accounts for the 1/3 of whole dry coke quenching overhaul duration.Owing to dry coke quenching overhaul dismounting time space is limited, remove waste material the most in a large number and must transport outward in time.It has been investigated that, the transport of waste material is the biggest factor that efficiency is removed in restriction, and uses electric hoist travelling speed limited.
The most known coke dry quenching furnace is removed waste material transportation and be there is above-mentioned all inconvenience and problem.
Summary of the invention
The purpose of the present invention, is that proposing a kind of coke dry quenching furnace overhaul using feeding chute removes the way of transportation of waste material.
For achieving the above object, the technical solution of the present invention is:
The way of transportation of waste material is removed in a kind of coke dry quenching furnace overhaul, it is characterised in that comprise the following steps:
A, making feeding chute
Making chute, every section of a length of 1.5-2.0m of chute with internal diameter 500mm pipeline, use the welding of respective flange dish at pipeline section, ring flange uses the steel plate of 10mm to make, and ring flange leaves the bolt hole of diameter 20mm；
B, set up integral-scaffold operating platform
Setting up full hall frame scaffold, scaffold to be carried out around coke dry quenching furnace circumference；The support of scaffold bottom is located at hypocentrum, and following conical surface, blast cap and furnace wall gusset are as support, and as the starting platform of steel pipe frame；Scaffold building, with coke dry quenching boiler shell as guide face, is laid full hall frame in coke dry quenching furnace, is stayed and set a feeding hole in the middle of scaffold, and feeding bore dia is 1.5m, sets up an aisle platform to internal frame at big manhole；
C, the connection of chute and installation
Before coke dry quenching furnace is formally removed, first proceed by the installation of chute from ground, by the ring flange docking of every two joint chutes, use the bolt and nut of diameter 18mm to connect and fasten, the dismounting setting to top is installed always；Along with the carrying out removed, the upper end of chute is dismantled at any time；Use steel pipe and buckle to fix between feeding chute and scaffold, and be aided with reinforcing bar spot welding and consolidated；When the installation of chute, midget plant below blast cap is removed, make chute can pass through at blast cap, a through blanking channel can be formed to ground from top to bottom from removing point, after waste material enters feeding chute, directly come down in torrents to waste from stacking platform or ground, it is achieved thereby that waste material settles at one go from dismounting point is transported to waste from stacking platform or ground.
The coke dry quenching furnace overhaul of the present invention is removed the way of transportation of waste material and can also be further achieved by the following technical measures.
Aforesaid method, it is noted that to ground material feeding point protection, use the template pad of 20mm on the ground, slow down the impulsive force to ground when fire-resistant waste material comes down in torrents, thus protect ground to be not damaged by during wherein said dismounting.
After using technique scheme, the coke dry quenching furnace overhaul of the present invention is removed the way of transportation of waste material and is had the dismounting efficiency being greatly improved dry coke quenching overhaul, on the premise of guaranteeing quality and safety, it is possible to shorten the advantage removing the duration largely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the single-unit chute of the embodiment of the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the connection diagram between each joint chute of the embodiment of the present invention；
Fig. 4 is that the two of the embodiment of the present invention saves Flange joint schematic diagram between chutes；
Fig. 5 is the A-A sectional view in Fig. 4；
Fig. 6 is that the chute of the embodiment of the present invention uses view.
In figure: 1 steel pipe, 2 flanges, 3 soldereds, 4 Section 1 chutes, 5 Section 2 chutes, 6 Section 3 chutes, 7 connecting bolts, nut, 8 operating platforms, 9 aisle, 10 waste from stacking platform or ground, 11 scaffolds, 12 chutes.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
The way of transportation of waste material is removed in the coke dry quenching furnace overhaul of the present invention, it is characterised in that comprise the following steps:
A, making feeding chute
Referring now to the structural representation of the single-unit chute that Fig. 1-2, Fig. 1 are the embodiment of the present invention, Fig. 2 is the side view of Fig. 1.
The making of chute is carried out with internal diameter 500mm pipeline, a length of 2.0m of every section of chute, use the ring flange of respective diameters to weld at pipeline section, ring flange uses the steel plate of 10mm to make, and ring flange leaves the bolt hole of diameter 20mm；
B, set up integral-scaffold operating platform
According to the feature of body construction, using the mode setting up full hall frame to carry out, scaffold to be carried out around body circumference.The support of bottom is predominantly on hypocentrum position, and following conical surface, blast cap and furnace wall gusset combine as support, using it as the starting platform of steel pipe frame.Scaffold building, with furnace shell as guide face, is laid full hall frame in stove, is stayed and set a feeding hole in the middle of shelf, and feeding bore dia is 1.5m, sets up an aisle platform to internal frame at big manhole；
C, the connection of chute and installation
Fig. 3 is the connection diagram between each joint chute of the embodiment of the present invention, and Fig. 4 is that the two of the embodiment of the present invention saves Flange joint schematic diagram between chutes, and Fig. 5 is the A-A sectional view in Fig. 4.
Before formal dismounting, first proceed by the installation of chute from ground, by the ring flange docking of every two joint chutes, use the bolt and nut of diameter 18mm to connect and fasten, the dismounting setting to top is installed always.Along with the carrying out removed, the upper end of chute can be dismantled at any time, to ensure that its height declines along with the decline of setting；To be fixed between feeding chute and scaffold, steel pipe and buckle can be used to be consolidated, and be aided with reinforcing bar spot welding and consolidated.When the installation of chute, midget plant below blast cap is removed, make chute can pass through at blast cap, a through blanking channel can be formed to ground from removing point from above, after waste material enters feeding chute, directly come down in torrents to waste from stacking platform or ground, it is achieved thereby that waste material settles the purpose being transported to waste from stacking platform or ground at one go from dismounting point.It is noted that to ground material feeding point protection, the template pad of 20mm can be used on the ground during dismounting, slow down the impulsive force to ground when fire-resistant waste material comes down in torrents, thus protect ground to be not damaged by.
Fig. 6 is that the chute of the embodiment of the present invention uses view.
The present invention has substantive distinguishing features and significant technological progress, and the way of transportation of waste material use chute a to solve difficult problem that the overhaul duration cannot compress is removed in the coke dry quenching furnace overhaul of the present invention.In dry coke quenching major repair project removes operation, the dismounting time has been carried out significantly compressing by we, the most also effectively reduces construction cost, for owner, achieves obviously benefit for enterprise.The chute made in work progress, can recycle in all kinds of upkeep operations, reduce further construction cost.
The coke dry quenching furnace overhaul of the present invention is removed the way of transportation of waste material and is used in husky steel 140t/h dry coke quenching large project, and through actual effect inspection, the dismounting time of 20 days in the original plan, construction cost reduced nearly 30% by successful boil down to 11 days.In demolishing process, labor intensity is little, and dust Control is good, and waste material transportation is convenient, receives the affirmative of owner and other relevant units.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change.Therefore, the technical scheme of all equivalents also should belong to scope of the invention, should be limited by each claim.
Claims (2)
1. the way of transportation of a coke dry quenching furnace overhaul dismounting waste material, it is characterised in that comprise the following steps:
A, making feeding chute
Making chute, every section of a length of 1.5-2.0m of chute with internal diameter 500mm pipeline, use the welding of respective flange dish at pipeline section, ring flange uses the steel plate of 10mm to make, and ring flange leaves the bolt hole of diameter 20mm；
B, set up integral-scaffold operating platform
Setting up full hall frame scaffold, scaffold to be carried out around coke dry quenching furnace circumference；The support of scaffold bottom is located at hypocentrum, and following conical surface, blast cap and furnace wall gusset are as support, and as the starting platform of steel pipe frame；Scaffold building, with coke dry quenching boiler shell as guide face, is laid full hall frame in coke dry quenching furnace, is stayed and set a feeding hole in the middle of scaffold, and feeding bore dia is 1.5m, sets up an aisle platform to internal frame at big manhole；
C, the connection of chute and installation
Before coke dry quenching furnace is formally removed, first proceed by the installation of chute from ground, by the ring flange docking of every two joint chutes, use the bolt and nut of diameter 18mm to connect and fasten, the dismounting setting to top is installed always；Along with the carrying out removed, the upper end of chute is dismantled at any time；Use steel pipe and buckle to fix between feeding chute and scaffold, and be aided with reinforcing bar spot welding and consolidated；When the installation of chute, midget plant below blast cap is removed, make chute can pass through at blast cap, a through blanking channel can be formed to ground from top to bottom from removing point, after waste material enters feeding chute, directly come down in torrents to waste from stacking platform or ground, it is achieved thereby that waste material settles at one go from dismounting point is transported to waste from stacking platform or ground.
2. the way of transportation of waste material is removed in coke dry quenching furnace overhaul as claimed in claim 1; it is characterized in that, it is noted that to ground material feeding point protection, use the template pad of 20mm on the ground during described dismounting; slow down the impulsive force to ground when fire-resistant waste material comes down in torrents, thus protect ground to be not damaged by.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510247894.9A CN106276030B (en) | 2015-05-15 | 2015-05-15 | The transportation resources of waste material is removed in a kind of coke dry quenching furnace overhaul |
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| CN201510247894.9A CN106276030B (en) | 2015-05-15 | 2015-05-15 | The transportation resources of waste material is removed in a kind of coke dry quenching furnace overhaul |
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| CN106276030A true CN106276030A (en) | 2017-01-04 |
| CN106276030B CN106276030B (en) | 2018-07-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423313A (en) * | 2017-08-29 | 2019-03-05 | 五冶集团上海有限公司 | A kind of remodeling method of coke dry quenching furnace furnace shell |
| CN113152868A (en) * | 2021-05-10 | 2021-07-23 | 攀钢集团工程技术有限公司 | Construction method of large-section reducing ore bin formwork support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5956484A (en) * | 1982-09-27 | 1984-03-31 | Nippon Kokan Kk <Nkk> | Dismounting refractory lining material in dry coke quenching equipment |
| JPH07331245A (en) * | 1994-04-15 | 1995-12-19 | Shinagawa Refract Co Ltd | Method for repairing columnar part of suction zone in coke dry quenching equipment and upper structure of opening for suction zone |
| JP2006131793A (en) * | 2004-11-08 | 2006-05-25 | Sumitomo Metal Ind Ltd | Method of check and repair for cooling tower refractory of coke dry quenching equipment |
| CN202208696U (en) * | 2011-08-26 | 2012-05-02 | 中国一冶集团有限公司 | Construction platform used for dry quenching furnace |
| CN102692131A (en) * | 2011-03-23 | 2012-09-26 | 五冶集团上海有限公司 | Method for overhauling fire-resistant material for annular air duct and chute in coke dry quenching furnace |
-
2015
- 2015-05-15 CN CN201510247894.9A patent/CN106276030B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5956484A (en) * | 1982-09-27 | 1984-03-31 | Nippon Kokan Kk <Nkk> | Dismounting refractory lining material in dry coke quenching equipment |
| JPH07331245A (en) * | 1994-04-15 | 1995-12-19 | Shinagawa Refract Co Ltd | Method for repairing columnar part of suction zone in coke dry quenching equipment and upper structure of opening for suction zone |
| JP2006131793A (en) * | 2004-11-08 | 2006-05-25 | Sumitomo Metal Ind Ltd | Method of check and repair for cooling tower refractory of coke dry quenching equipment |
| CN102692131A (en) * | 2011-03-23 | 2012-09-26 | 五冶集团上海有限公司 | Method for overhauling fire-resistant material for annular air duct and chute in coke dry quenching furnace |
| CN202208696U (en) * | 2011-08-26 | 2012-05-02 | 中国一冶集团有限公司 | Construction platform used for dry quenching furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423313A (en) * | 2017-08-29 | 2019-03-05 | 五冶集团上海有限公司 | A kind of remodeling method of coke dry quenching furnace furnace shell |
| CN113152868A (en) * | 2021-05-10 | 2021-07-23 | 攀钢集团工程技术有限公司 | Construction method of large-section reducing ore bin formwork support |
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|---|---|
| CN106276030B (en) | 2018-07-13 |
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