CN109868334A - A kind of dismounting of blast furnace bustle pipe suspender and method for dismounting - Google Patents
A kind of dismounting of blast furnace bustle pipe suspender and method for dismounting Download PDFInfo
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- CN109868334A CN109868334A CN201910265558.5A CN201910265558A CN109868334A CN 109868334 A CN109868334 A CN 109868334A CN 201910265558 A CN201910265558 A CN 201910265558A CN 109868334 A CN109868334 A CN 109868334A
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- bustle pipe
- oil cylinder
- bustle
- suspender
- hydraulic pressure
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000011449 brick Substances 0.000 claims abstract description 37
- 239000003921 oil Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000003973 paint Substances 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims abstract description 6
- 239000010721 machine oil Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a kind of blast furnace bustle pipe dismounting suspenders, bustle pipe is the polygonal structure being spliced by plate rolling tube, there are spray paint and refractory brick in inside, bustle pipe is hung vertically by several groups and girt hangs platform by bustle pipe and furnace body frame column is fixed, the suspender is made of hydraulic pressure lift Oil cylinder, cylinder support, steel hinge line and conduit saddle, the hydraulic pressure lift Oil cylinder is fixed on bustle pipe by cylinder support and hangs on platform, hydraulic hoisting machine oil cylinder position was uniformly distributed right above bustle pipe along bustle pipe one week；The hydraulic pressure lift Oil cylinder is connected with steel hinge line, and steel hinge line passes perpendicularly through the bustle pipe for offering through-hole, is connected with the conduit saddle of mating production.A kind of method for dismounting of blast furnace bustle pipe dismounting suspender is also disclosed in the present invention, simplifies working procedure, the construction time is greatly saved, and the bustle pipe after disassembly can integrally drop down onto tuyere platform, dismounting is not take up main line duration, construction safety.
Description
Technical field
The present invention relates to blast furnace bustle pipe technical field of construction, and in particular to a kind of blast furnace bustle pipe dismounting suspender and dismounting side
Method.
Background technique
Blast furnace bustle pipe is the polygonal structure being spliced by plate rolling tube, and there are a spray paint and refractory brick in inside, bustle pipe by
Several groups are hung vertically and girt hangs platform by bustle pipe and furnace body frame column is fixed.Heat needed for blast furnace ore smelting
Wind is generated by hot-blast stove, and hot wind is delivered to bustle pipe by hot-blast main, then enters height by blowpipe uniformly distributed on bustle pipe
Furnace.When bustle pipe is removed, due to there is resistance to material in bustle pipe, there are the water supply and sewage endless tube of platform and medium and small set etc., heavier-weight outside, so needing
Brick is first taken off, and removes the platform and pipeline being attached on bustle pipe.Due to segmentation remove it is dangerous, if bustle pipe waits tearing open part into one
In the case that step removes spray paint, hoist engine can be used integrally to drop down onto tuyere platform, usually consider to remove part spray paint, otherwise
Multistage can only be divided to remove in the sky.
When blast furnace overhaul, first residual iron placing takes off furnace after cool furnace, and the dismounting of furnace body, usual bustle pipe can be carried out by once taking off after furnace
Time that is cooling, taking off brick only removes than furnace body to time early three days or so of bustle pipe hanging position of platform, if bustle pipe cannot and
When remove and transport tuyere platform, just will appear with furnace body dismounting occupy tuyere platform simultaneously the case where, need at this time pause furnace body
It removes, first tears bustle pipe open, thus occupy the more main line duration.
Summary of the invention
To solve the above problems, utilizing suspender the present invention provides a kind of blast furnace bustle pipe dismounting suspender and method for dismounting
Bustle pipe safely can integrally be fallen on to tuyere platform, and dismounting is high-efficient, bustle pipe dismounting is not take up the main line duration.
The specific technical proposal of the invention is: a kind of blast furnace bustle pipe, which is removed, uses suspender, blast furnace bustle pipe is spelled by plate rolling tube
There are spray paint and refractory brick in polygonal structure made of connecing, inside, and bustle pipe is hung vertically by several groups and girt is by enclosing
Pipe pendant platform and furnace body frame column are fixed, and the suspender is by hydraulic pressure lift Oil cylinder, cylinder support, steel hinge line and conduit saddle group
At the hydraulic pressure lift Oil cylinder is fixed on bustle pipe by cylinder support and hangs on platform, and hydraulic hoisting machine oil cylinder position exists
Right above bustle pipe, it was uniformly distributed along bustle pipe one week；The hydraulic pressure lift Oil cylinder is connected with steel hinge line, and steel hinge line passes perpendicularly through
The bustle pipe for offering through-hole is connected with the conduit saddle of mating production.
Further, the suspender quantity is to be hung vertically the half of quantity.
Further, the through-hole on the bustle pipe is opened up so that oil cylinder axis is vertical centered on the intersection point of bustle pipe.
Further, the conduit saddle is fixed with bustle pipe spot welding.
A kind of blast furnace bustle pipe dismounting method for dismounting of suspender, steps are as follows:
1) blowpipe between bustle pipe and furnace shell is removed；
2) brick hole is outputed below bustle pipe；
3) it is hung vertically the quantity of half by bustle pipe, hydraulic pressure lift Oil cylinder and matched is set on bustle pipe hanging platform
Cylinder support, hydraulic hoisting machine oil cylinder position were substantially evenly distributed right above bustle pipe along bustle pipe one week；
4) centered on the intersection point of oil cylinder axis and bustle pipe, vertical through-hole is outputed on bustle pipe, first opens upper diameter about
The hole of 700mm is opened again after taking off brick in the bustle pipes such as hole below；
5) after the brick in bustle pipe is cooling, worker enters in bustle pipe, takes off brick from upper half toward lower half, removes the brick amount of bustle pipe
The weight for bearing bustle pipe hanging reduces more than half；
6) through-hole below bustle pipe is outputed, the resistance to material of position of opening is removed before aperture, the clear size of opening opened is with elevator
Whole steel hinge lines of oil cylinder can pass through；
7) steel hinge line for wearing elevator, the steel hinge line for promoting Oil cylinder passes through the bustle pipe of vertical open pores, with mating production
Conduit saddle is connected；
8) conduit saddle is fixed with bustle pipe spot welding, pre-tightens steel hinge line, and bustle pipe girt and bustle pipe are disengaged, then is removed bustle pipe and hung down
The conduit saddle directly hung；
9) pull suspender that bustle pipe is integrally dropped down onto tuyere platform by numerical control hydraulic elevator；
10) bustle pipe is segmented on tuyere platform, clears out or directly have bad luck to cast house after broken and is crushed again.
Compared with prior art, the invention has the benefit that the present invention is integrally torn open using hydraulic hoisting machine cooperation suspender
It except bustle pipe, is not hung in bustle pipe during dismounting and welds lifting lug on platform and bustle pipe, without removing bustle pipe platform and confession thereon in the air
Endless tube is drained, without reinforcing bustle pipe hanging platform, the spray paint in bustle pipe is not required to remove, and refractory brick does not need all to remove, letter
Working procedure is changed, the construction time has been greatly saved, and the bustle pipe after disassembly can integrally drop down onto tuyere platform, dismounting is not take up master
Line duration, construction safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blast furnace bustle pipe of the present invention；
Fig. 2 uses schematic diagram for suspender of the present invention；
Fig. 3 is the position view of suspender of the present invention；
1, bustle pipe, 2, plate rolling tube, 3, spray paint, 4, refractory brick, 5, bustle pipe platform, 6, be hung vertically, 7, bustle pipe hanging
Platform, 8, tuyere platform, 9, be hung vertically conduit saddle, 10, furnace body steelframe, 11, last furnace shell, 12, hydraulic pressure lift Oil cylinder, 13,
Cylinder support, 14, steel hinge line, 15 conduit saddles.
Specific embodiment
Further detailed description is done to the present invention with embodiment with reference to the accompanying drawings of the specification.
As shown in Figure 1, blast furnace bustle pipe is the polygonal structure being spliced by plate rolling tube, there are spray paint and fire resisting in inside
Brick, bustle pipe is hung vertically by several groups and girt hangs platform by bustle pipe and furnace body frame column is fixed.
Existing bustle pipe, which removes common method, two kinds: after taking off brick, it is flat to drop down onto air port by hanging location segment
Platform, such as certain 2500m3Blast furnace overhaul, bustle pipe is hung vertically by 8 groups is divided into 16 sections, drops down onto decompose again after tuyere platform and transports.It is another
Kind it is after taking off brick, then removes spray paint, by Weight control within the scope of hoist engine Lifting Capacity, bustle pipe is integrally dropped down onto air port and is put down
Platform, such as certain 2500m3Blast furnace overhaul after taking off brick, then removes the spray paint of half, makes to remove weight less than 120t.No matter which is used
Kind method, the dismounting of bustle pipe affect the main line duration 2 days or more, and for the blast furnace of bigger volume, due to removing weight
Increase, the scheme removed using hoist engine is also no longer applicable in.
The following examples give a kind of new bustle pipe method for dismounting, easy for construction, and save the duration.
Embodiment 1
Such as Fig. 1, Fig. 2, shown in Fig. 3, bustle pipe 1 is the polygonal structure being spliced by plate rolling tube 2, and there is spray paint in inside
3 and refractory brick 4, bustle pipe 1 by several groups be hung vertically 6 and girt pass through that bustle pipe hangs platform 7 and furnace body steelframe 10 is fixed.
A kind of blast furnace bustle pipe dismounting suspender, suspender is by hydraulic pressure lift Oil cylinder 12, cylinder support 13, steel hinge line 14 and 15 groups of conduit saddle
At.Hydraulic pressure lift Oil cylinder 12 is fixed on bustle pipe by cylinder support 13 and hangs on platform 7, and 12 position of hydraulic pressure lift Oil cylinder exists
Right above bustle pipe 1, it was uniformly distributed along bustle pipe 1 one weeks.From suspender in this present embodiment be with method for dismounting use, dismantle
Method requires first to take off the weight reduction half that bustle pipe is hung vertically 6 receivings by brick, so above-mentioned suspender quantity is set as vertical
Hang the half of 6 quantity.
Through-hole on bustle pipe 1 is opened up so that 12 axis of hydraulic pressure lift Oil cylinder is vertical centered on the intersection point of bustle pipe 1, liquid
The position that pressure promotes Oil cylinder 12 is right above bustle pipe 1, and it is most suitable recently that this contact point, which opens up through-hole,.Hydraulic pressure lift
Oil cylinder 12 is connected with steel hinge line 14, and steel hinge line 14 passes perpendicularly through the bustle pipe 1 for offering through-hole, 15 phase of conduit saddle with mating production
Even, while conduit saddle 15 and 1 spot welding of bustle pipe being fixed, so that suspender and bustle pipe 1 are fixed to pull bustle pipe in subsequent construction.
In conjunction with above-mentioned suspender, a kind of blast furnace bustle pipe dismounting method for dismounting of suspender, steps are as follows:
1) blowpipe between bustle pipe 1 and last furnace shell 11 is removed；
2) brick hole is outputed below bustle pipe 1, is prepared for subsequent brick of taking off；
3) by the quantity for being hung vertically half on bustle pipe 1, be arranged on bustle pipe hanging platform 7 hydraulic pressure lift Oil cylinder 12 and
Matched cylinder support 13,12 position of hydraulic pressure lift Oil cylinder were substantially evenly distributed right above bustle pipe 1 along bustle pipe 1 one weeks；
4) centered on the intersection point of 12 axis of hydraulic pressure lift Oil cylinder and bustle pipe 1, vertical through-hole is outputed on bustle pipe 1,
First open the hole of upper diameter about 700mm, hole below blocked by brick in bustle pipe to wait take off brick after open again；
5) after the brick in bustle pipe 1 is cooling, worker enters in bustle pipe, takes off brick from upper half toward lower half, removes the brick of bustle pipe
The weight that measuring will make bustle pipe be hung vertically 6 receivings reduces more than half；
The purpose of this step is, when the hydraulic pressure lift Oil cylinder 12 for being hung vertically the setting of 6 half quantity by bustle pipe works,
The stress of bustle pipe hanging 7 beam of platform does not increase, and reduces the workload for reinforcing landing beam.
6) through-hole below bustle pipe 1 is outputed, the resistance to material of position of opening is removed before aperture, the clear size of opening opened is with elevator
Whole steel hinge lines 14 of oil cylinder can pass through；
7) steel hinge line 14 for wearing elevator, the steel hinge line 14 for promoting Oil cylinder passes through the bustle pipe 1 of vertical open pores, with mating system
The conduit saddle 15 of work is connected；
8) conduit saddle 15 is fixed with 1 spot welding of bustle pipe, pre-tightens steel hinge line 14, bustle pipe girt and bustle pipe 1 are disengaged, then removes
It is hung vertically conduit saddle 9；
9) pull suspender that 1 entirety of bustle pipe is fallen to tuyere platform 8 by numerical control hydraulic elevator；
10) bustle pipe 1 is segmented on tuyere platform 8, clears out or directly have bad luck to cast house after broken and is crushed again.
It is hung vertically conduit saddle 9 due to having removed in step 8), transport reaches wind to hoister control suspender downwards by bustle pipe 1
Mouthful platform 8 does not need disassembly in whole process and is hung vertically remaining part, without the aerial bustle pipe platform and thereon removed
Water supply and sewage endless tube, without reinforcing bustle pipe hanging platform, the spray paint in bustle pipe is not removed, and refractory brick does not need all to remove,
Entire demolishing process rapid and convenient is not take up main line duration, construction safety.
Embodiment 2
Using the suspender and method for dismounting in embodiment 1, certain 4000m3Blast furnace overhaul, bustle pipe 1 are hung vertically 6 for totally 8 groups, enclose
Pipe 1, bustle pipe hanging platform 7, pipeline weight 110t, spray paint 90t, refractory brick 680t always weigh about 880t, the side halved according to weight
Method need to take off brick 2/3.By lifting weight 440t, 8 groups are hung vertically the elevator that choosing has 4 hydraulic pressure lift Oil cylinders, and consider to pacify
Overall coefficient need to select the numerical control hydraulic elevator of 4*200t.
Because unit in charge of construction only has the cable-styled numerical control hydraulic elevator of TS100B-250 fashioned iron, when specific implementation take off be over it is all resistance to
Firebrick, practical to lift weight 300t, after bustle pipe integrally drops down onto tuyere platform, directly segmentation is had bad luck to cast house, without influence on
The normal dismounting of furnace body.
Embodiment 3
Using the suspender and method for dismounting in embodiment 1, certain 1080m3Blast furnace overhaul, bustle pipe are hung vertically for 8 groups, enclose totally
Pipe, bustle pipe hanging platform, pipeline weight 50t, spray paint 45t, refractory brick 285t always weigh about 380t, the method halved according to weight,
Brick 190t need to be taken off.Because there is a cable-styled numerical control hydraulic elevator of TS100B-250 fashioned iron in unit in charge of construction, when construction, has only taken off the brick of half,
Practical lifting weight 240t, bustle pipe are integrally dropped down onto disintegrate after tuyere platform and be transported, and do not influence the normal dismounting of furnace body.
The above-mentioned description to embodiment is for the ease of those skilled in the art it will be appreciated that and using this
Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above embodiments, ability
According to the disclosure of this case, the improvement and modification made for this case all should be in the protection scopes of this case by the technical staff in domain.
Claims (5)
1. a kind of blast furnace bustle pipe, which is removed, uses suspender, bustle pipe (1) is the polygonal structure being spliced by plate rolling tube (2), internal
There are spray paint (3) and refractory brick (4), bustle pipe (1) is hung vertically (6) and girt by several groups and hangs platform by bustle pipe
(7) and furnace body steel frame columns (10) are fixed, characterized in that the suspender is by hydraulic pressure lift Oil cylinder (12), cylinder support (13), steel
Line (14) and conduit saddle (15) composition are cut with scissors, the hydraulic pressure lift Oil cylinder (12) is fixed on bustle pipe hanging by cylinder support (13)
On platform (7), hydraulic pressure lift Oil cylinder (12) position was uniformly distributed right above bustle pipe (1) along bustle pipe (1) one week；Described
Hydraulic pressure lift Oil cylinder (12) is connected with steel hinge line (14), and steel hinge line (14) passes perpendicularly through the bustle pipe (1) for offering through-hole, and is matched
The conduit saddle (15) of set production is connected.
2. a kind of blast furnace bustle pipe according to claim 1, which is removed, uses suspender, characterized in that the suspender quantity is vertical
Hang the half of (6) quantity.
3. a kind of blast furnace bustle pipe according to claim 1, which is removed, uses suspender, characterized in that logical on the bustle pipe (1)
Hole is opened up so that hydraulic pressure lift Oil cylinder (12) axis is vertical centered on the intersection point of bustle pipe (1).
4. a kind of blast furnace bustle pipe according to claim 1, which is removed, uses suspender, characterized in that the conduit saddle (15) and bustle pipe
(1) spot welding is fixed.
5. a kind of blast furnace bustle pipe removes the method for dismounting for using suspender, characterized in that steps are as follows:
1) blowpipe between bustle pipe (1) and last furnace shell (11) is removed；
2) brick hole is outputed below bustle pipe (1)；
3) by the quantity for being hung vertically (6) half on bustle pipe (1), hydraulic pressure lift Oil cylinder is set in bustle pipe hanging platform (7)
(12) and matched cylinder support (13), hydraulic pressure lift Oil cylinder (12) position was right above bustle pipe (1), along bustle pipe (1) one week
It is substantially evenly distributed；
4) centered on the intersection point of hydraulic pressure lift Oil cylinder (12) axis Yu bustle pipe (1), vertical lead to is outputed on bustle pipe (1)
The hole of upper diameter about 700mm is first opened in hole, is opened again after taking off brick in the bustle pipes such as hole below；
5) after the brick in bustle pipe (1) is cooling, worker enters in bustle pipe (1), takes off brick from upper half toward lower half, removes bustle pipe (1)
Brick amount to make to be hung vertically the weight of (6) receiving and reduce more than half；
6) through-hole of bustle pipe (1) below is outputed, the resistance to material of position of opening is removed before aperture, the clear size of opening opened is to promote machine oil
Whole steel hinge lines (14) of cylinder can pass through；
7) steel hinge line (14) for wearing elevator, the steel hinge line (14) for promoting Oil cylinder passes through the bustle pipe (1) of vertical open pores, and mating
The conduit saddle (15) of production is connected；
8) conduit saddle (15) is fixed with bustle pipe (1) spot welding, pre-tightens steel hinge line, and bustle pipe girt and bustle pipe (1) are disengaged, then removes
The conduit saddle (9) being hung vertically；
9) pull suspender that bustle pipe (1) is integrally dropped down onto tuyere platform (8) by numerical control hydraulic elevator；
10) bustle pipe (1) is segmented on tuyere platform (8), clears out or directly have bad luck to cast house after broken and is crushed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265558.5A CN109868334B (en) | 2019-04-03 | 2019-04-03 | Lifting appliance for dismantling blast furnace surrounding pipe and dismantling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265558.5A CN109868334B (en) | 2019-04-03 | 2019-04-03 | Lifting appliance for dismantling blast furnace surrounding pipe and dismantling method |
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| Publication Number | Publication Date |
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| CN109868334A true CN109868334A (en) | 2019-06-11 |
| CN109868334B CN109868334B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910265558.5A Active CN109868334B (en) | 2019-04-03 | 2019-04-03 | Lifting appliance for dismantling blast furnace surrounding pipe and dismantling method |
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| Country | Link |
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| CN (1) | CN109868334B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273039A (en) * | 2019-07-23 | 2019-09-24 | 安徽马钢设备检修有限公司 | A kind of blast furnace bustle pipe hoisting structure and its installation method |
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| CN202688341U (en) * | 2012-07-06 | 2013-01-23 | 鞍钢集团工程技术有限公司 | Blast furnace bustle pipe fixing device |
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| CN209702791U (en) * | 2019-04-03 | 2019-11-29 | 安徽马钢设备检修有限公司 | Suspender is used in a kind of dismounting of blast furnace bustle pipe |
-
2019
- 2019-04-03 CN CN201910265558.5A patent/CN109868334B/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273039A (en) * | 2019-07-23 | 2019-09-24 | 安徽马钢设备检修有限公司 | A kind of blast furnace bustle pipe hoisting structure and its installation method |
| CN110273039B (en) * | 2019-07-23 | 2023-11-14 | 安徽马钢设备检修有限公司 | Blast furnace surrounding pipe hoisting structure and installation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109868334B (en) | 2023-11-21 |
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