CN101935721B - Method for integrally dismounting and installing furnace top system of blast furnace - Google Patents
Method for integrally dismounting and installing furnace top system of blast furnace Download PDFInfo
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- CN101935721B CN101935721B CN200910054202A CN200910054202A CN101935721B CN 101935721 B CN101935721 B CN 101935721B CN 200910054202 A CN200910054202 A CN 200910054202A CN 200910054202 A CN200910054202 A CN 200910054202A CN 101935721 B CN101935721 B CN 101935721B
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Abstract
The invention relates to the maintenance field of iron smelting equipment and in particular relates to a method for integrally dismounting and installing a furnace top system of a blast furnace, comprising the steps of integral connection and reinforcement as well as integral dismounting and installation. The method is characterized in that a support frame (2) is erected on the ground at one side of the blast furnace, a sliding girder (3) is fixed on the support frame (2), a sliding vehicle (4) is erected on the sliding girder (3), the top of the support frame (2) is provided with a hoist (5), a transportation vehicle (6) is placed on the ground beside the hoist (5), and then the furnace top system (1) of the blast furnace is slided to the hoist (5) by the sliding vehicle (4), descended to the ground by the hoist (5) and then slided and fixedly placed on the transportation vehicle (6) beside the hoist (5) by the sliding vehicle (4). The method can be used for rapidly dismounting or installing the furnace top system of the blast furnace to reduce the workload of on-line construction, and has the advantages of high safety and high construction efficiency.
Description
Technical field
The present invention relates to the area of maintenance of the smelting equipment of iron, be specially a kind of blast furnace furnace top system (1) integral disassembly, assembly and installation method.
Background technology
Blast furnace is the most widely used smelting iron equipment, and large blast furnace is 4000m especially
3Above blast furnace, several kilotons that always weigh, the furnace top system absolute altitude at its top reaches more than 100 meter, and in the time of when overhaul or new construction, need dismantling or install, because highly high, weight be big, and difficulty of construction is very big.What prior art adopted is that conventional bulk-breaking is removed and the bulk-breaking installation method, each component is dismantled at furnace roof successively, or assembled successively at furnace roof.This method exists many difficult points and risk: 1. online quantities is big: furnace top system dismounting, installation work amount are more than 6000t.2. high-rise working, high-risk, poor efficiency: furnace roof change the position+46.300m～+ the 115.000m scope, uncertain factor is many, potential safety hazard is many.3. construction specialty is many, cross-operation is many: the furnace roof dismounting relates to a plurality of specialties such as steelwork, pipeline, equipment, electric, anti-material.4. the construction period is long: because quantities is big, working aloft efficient is low, and the cross-operation reason such as big that influences each other, the furnace roof bulk-breaking dismounting construction period is long, at least 8 months duration of needs.5. the construction plane is limited, and logistics organizes difficulty big: the large-scale component of dismounting need be placed on the ground and disintegrate, and need get into field assembly in advance with stylish furnace roof member, and is big to overhaul plane site influence, logistics coordination of transport difficulty.Therefore, traditional decomposition method can not satisfy large blast furnace short-term construction period, security needs, becomes the maximum bottleneck that smelting enterprise's production capacity improves and profit rises.
Summary of the invention
In order to overcome the defective of prior art, a kind of working aloft, production efficiency high, safe and reliable blast furnace building and maintaining method of reducing is provided, the invention discloses a kind of blast furnace furnace roof entire system dismounting and installation method.
The present invention reaches goal of the invention through following technical scheme:
A kind of blast furnace furnace roof entire system method for dismounting; The blast furnace furnace top system comprises throat platform, furnace top frame, gas up take, attached platform, furnace roof equipment; Blast furnace furnace roof entire system method for dismounting comprises whole connection reinforcing and integral demounting; During the integral body connection reinforcing, each building block of blast furnace furnace top system is used connection facility connection and fixing, it is characterized in that:
On the ground of blast furnace one side, set up bracing frame, fixing slippage truss on bracing frame, slippage truss horizontal positioned; One end is fixed on the bracing frame; The other end is fixed on the blast furnace framework, on the slippage truss, sets up the slippage car, at the top of bracing frame lifting machine is installed; Place transport trolley on the ground on lifting machine side
With the slippage car blast furnace furnace top system of whole connection reinforcing jack-up from the blast furnace is broken away from, and slide onto the lifting machine position;
With lifting machine the blast furnace furnace top system is reduced to ground, the slippage of blast furnace furnace top system also fixedly is placed on the other transport trolley of lifting machine with the slippage car;
Described blast furnace furnace roof entire system method for dismounting is characterized in that: the slippage conveyer is installed on the transport trolley, and lifting machine adopts hydraulic lift.
A kind of State of Blast Furnace integral installation method of top system; The blast furnace furnace top system comprises throat platform, furnace top frame, gas up take, attached platform, furnace roof equipment; The State of Blast Furnace integral installation method of top system comprises whole connection reinforcing and complete installation; During the integral body connection reinforcing, each building block of blast furnace furnace top system is used connection facility connection and fixing, it is characterized in that:
On the ground of blast furnace one side, set up bracing frame, fixing slippage truss on bracing frame, slippage truss horizontal positioned; One end is fixed on the bracing frame; The other end is fixed on the blast furnace framework, on the slippage truss, sets up the slippage car, at the top of bracing frame lifting machine is installed; Place transport trolley on the ground on lifting machine side
Also fixedly be placed in transport trolley on the slippage of slippage car the blast furnace furnace top system of whole connection reinforcing; With transport trolley the blast furnace furnace top system is transported to by the lifting machine; With the slippage car blast furnace furnace top system is slid onto on the lifting machine, the blast furnace furnace top system is risen to slippage truss place with lifting machine
With the slippage car blast furnace furnace top system is transported and delivers on the blast furnace from lifting machine.
Described blast furnace furnace roof entire system method for dismounting is characterized in that: the slippage conveyer is installed on the transport trolley, and lifting machine adopts hydraulic lift.
It is the defective of conventional bulk-breaking dismounting and bulk-breaking installation that the present invention has overcome the employing of large blast furnace furnace top system construction prior art, and large blast furnace furnace top system overall pulling down and installation method are provided, and has following beneficial effect:
1. can be fast old furnace top system be removed and transported out of blast furnace, be transported into fast after new furnace top system offline group is installed and installation in position.
2. new furnace top system off-line assembling is accomplished, and old furnace top system off-line disintegrates, thereby reduces online construction working amount, shortens the online construction period greatly, only needs 10～20 days.
3. reduce the large lifting equipment activity duration.
4. the minimizing high-rise working reduces cross-operation, reduces working procedure and influences each other.
5. fast furnace top system is removed and installation in position, solved engineering construction plane object flow problem.
6. improve the security of large blast furnace engineering construction, can guarantee construction quality and accelerating construction progress, shortened the engineering construction main line duration greatly.
Description of drawings
Fig. 1 is to be removed and the blast furnace furnace roof system architecture synoptic diagram behind the integral reinforcing;
Fig. 2 is a blast furnace furnace roof entire system slippage synoptic diagram to be removed;
Fig. 3 is a blast furnace furnace roof entire system decline synoptic diagram to be removed
Fig. 4 is a blast furnace furnace roof entire system slippage entrucking synoptic diagram to be removed;
Fig. 5 is a blast furnace furnace roof entire system transportation synoptic diagram to be removed;
Fig. 6 is the blast furnace furnace roof entire system slippage to be removed synoptic diagram of unloading;
Fig. 7 is to be installed and the blast furnace furnace roof system architecture synoptic diagram behind the integral reinforcing;
Fig. 8 is a blast furnace furnace roof entire system slippage entrucking synoptic diagram to be installed;
Fig. 9 is a blast furnace furnace roof entire system transportation synoptic diagram to be installed;
Figure 10 is a blast furnace furnace roof entire system slippage synoptic diagram to be installed;
Figure 11 is that blast furnace furnace roof entire system to be installed promotes synoptic diagram;
Figure 12 is a blast furnace furnace roof entire system slippage synoptic diagram in place to be installed.
Embodiment
Below further specify the present invention through specific embodiment.
The existing dismounting one blast furnace furnace roof that needs is so that to maintaining blast furnace, and blast furnace furnace roof entire system method for dismounting is adopted apart from floor level 46m in the furnace top system bottom at present.
Blast furnace furnace top system 1 comprises old seven layers of platform that 46m is above and above structure and equipment, furnace top frame, gas up take, attached platform, furnace roof equipment etc., heavily about more than 2600 tons, give connection reinforcing with connection facility 10, and fuse, as shown in Figure 1.
As shown in Figure 2, on the ground of blast furnace one side, set up bracing frame 2, fixing slippage truss 3 on bracing frame 2; The height of slippage truss 3 is the height at blast furnace furnace top system 1 place; On slippage truss 3, set up slippage car 4, at the top of bracing frame 2 lifting machine 5 is installed, lifting machine 5 adopts hydraulic lift; Place transport trolley 6 on the ground on lifting machine 5 sides; With slippage car 4 the blast furnace furnace top system 1 of whole connection reinforcing jack-up from the blast furnace is broken away from, and slide onto lifting machine 5 positions, the arrow indication is a slip direction among the figure.
As shown in Figure 3, with lifting machine 5 blast furnace furnace top system 1 is reduced to ground, the arrow indication is a descending direction among the figure.
As shown in Figure 4, blast furnace furnace top system 1 is moved on the transport trolley 6 on lifting machine 5 sides, the arrow indication is a travel direction among the figure.
As shown in Figure 5, with transport trolley 6 blast furnace furnace top system 1 is transported to and unloads a little, safe and reliable during for transportation, slippage conveyer 61 is installed on transport trolley 6, the arrow indication is a transporting direction among the figure.
As shown in Figure 6, unload slippage unloading unit 41 a little is installed, blast furnace furnace top system 1 is moved to slippage unloading unit 41, the arrow indication is a travel direction among the figure.
Need on a blast furnace, to install the blast furnace furnace roof, the State of Blast Furnace integral installation method of top system is adopted apart from floor level 46m in the furnace top system bottom at present at present.
Blast furnace furnace top system 1 comprises the above little pipe arrangement of furnace roof equipment, electrical instrument, furnace roof of the above structure of 46m rice and equipment, furnace top frame, gas up take and ball node, batch can, hydraulic piping etc.; Heavily about more than 2400 tons; As shown in Figure 7; Off-line is assembled into integral body on ground earlier, gives connection reinforcing with connecting facility 10 again, fuses.
As shown in Figure 8; The blast furnace furnace top system 1 of whole connection reinforcing is positioned on the slippage apparatus for assembling 42, blast furnace furnace top system 1 is moved on the transport trolley 6, safe and reliable during for transportation; Slippage conveyer 61 is installed on transport trolley 6, and the arrow indication is a travel direction among the figure.
As shown in Figure 9, on the ground of blast furnace one side, set up bracing frame 2, fixing slippage truss 3 on bracing frame 2; The height of slippage truss 3 is the height at blast furnace furnace top system 1 place; With transport trolley 6 blast furnace furnace top system 1 is transported to by the blast furnace, promptly bracing frame 2 is other, and the arrow indication is a transporting direction among the figure.
Shown in figure 10, with slippage car 4 with blast furnace furnace top system 1 integral slipping to lifting machine 5, the arrow indication is a slip direction among the figure.
Shown in figure 11, on bracing frame 2, set up lifting machine 5, lifting machine 5 adopts hydraulic lift, is mounting height with lifting machine 5 with the height that blast furnace furnace top system 1 overall increases to slippage truss 3, and the arrow indication is a direction of improvement among the figure.
Shown in figure 12, along slippage truss 3 the blast furnace furnace top system is moved installation in place with slippage car 4, the arrow indication is a travel direction among the figure.
Claims (4)
1. blast furnace furnace roof entire system method for dismounting; Blast furnace furnace top system (1) comprises throat platform, furnace top frame, gas up take, attached platform, furnace roof equipment; Blast furnace furnace roof entire system method for dismounting comprises whole connection reinforcing and integral demounting; During the integral body connection reinforcing, each building block of blast furnace furnace top system is used connection facility (10) connection and fixing, it is characterized in that:
On the ground of blast furnace one side, set up bracing frame (2), go up fixedly slippage truss (3), slippage truss (3) horizontal positioned at bracing frame (2); One end is fixed on the bracing frame (2); The other end is fixed on the blast furnace framework, on slippage truss (3), sets up slippage car (4), at the top of bracing frame (2) lifting machine (5) is installed; Place transport trolley (6) on the ground on lifting machine (5) side
With slippage car (4) the blast furnace furnace top system (1) of whole connection reinforcing jack-up from the blast furnace is broken away from, and slides onto lifting machine (5) position,
With lifting machine (5) blast furnace furnace top system (1) is reduced to ground, blast furnace furnace top system (1) slippage also fixedly is placed on the other transport trolley (6) of lifting machine (5) by slippage car (4).
2. blast furnace furnace top system as claimed in claim 1 (1) integral demounting method is characterized in that: slippage conveyer (61) is installed on the transport trolley (6), and lifting machine (5) adopts hydraulic lift.
3. State of Blast Furnace integral installation method of top system; Blast furnace furnace top system (1) comprises throat platform, furnace top frame, gas up take, attached platform, furnace roof equipment; The State of Blast Furnace integral installation method of top system comprises whole connection reinforcing and complete installation; During the integral body connection reinforcing, each building block of blast furnace furnace top system is used connection facility (10) connection and fixing, it is characterized in that:
On the ground of blast furnace one side, set up bracing frame (2), go up fixedly slippage truss (3), slippage truss (3) horizontal positioned at bracing frame (2); One end is fixed on the bracing frame (2); The other end is fixed on the blast furnace framework, on slippage truss (3), sets up slippage car (4), at the top of bracing frame (2) lifting machine (5) is installed; Place transport trolley (6) on the ground on lifting machine (5) side
The blast furnace furnace top system (1) of whole connection reinforcing also fixedly is placed on the transport trolley (6) with slippage car (4) slippage; It is other with transport trolley (6) blast furnace furnace top system (1) to be transported to lifting machine (5); With the slippage car blast furnace furnace top system is slid onto on the lifting machine (5); With lifting machine (5) blast furnace furnace top system (1) being risen to slippage truss (3) locates
With slippage car (4) blast furnace furnace top system (1) is transported and delivers on the blast furnace framework from lifting machine (5).
4. blast furnace furnace top system as claimed in claim 3 (1) integral installation method is characterized in that: slippage conveyer (61) is installed on the transport trolley (6), and lifting machine (5) adopts hydraulic lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910054202A CN101935721B (en) | 2009-06-30 | 2009-06-30 | Method for integrally dismounting and installing furnace top system of blast furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910054202A CN101935721B (en) | 2009-06-30 | 2009-06-30 | Method for integrally dismounting and installing furnace top system of blast furnace |
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| Publication Number | Publication Date |
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| CN101935721A CN101935721A (en) | 2011-01-05 |
| CN101935721B true CN101935721B (en) | 2012-09-05 |
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| CN200910054202A Active CN101935721B (en) | 2009-06-30 | 2009-06-30 | Method for integrally dismounting and installing furnace top system of blast furnace |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937919B (en) * | 2014-05-05 | 2015-09-02 | 鞍钢集团工程技术有限公司 | A kind of bell-less BF tep support frame of convenient maintenance |
| CN109097516A (en) * | 2018-09-29 | 2018-12-28 | 中国冶集团有限公司 | The construction method of blast furnace overhaul engineering replacement last furnace shell |
| CN109457073A (en) * | 2018-11-16 | 2019-03-12 | 中冶天工集团有限公司 | A kind of big volume blast furnace assembles passage method offline |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222579A (en) * | 1998-12-02 | 1999-07-14 | 酒泉钢铁(集团)有限责任公司 | Integral shift technology and equipment for overhaul of blast furnace |
| CN1974792A (en) * | 2006-12-01 | 2007-06-06 | 莱芜钢铁集团有限公司 | Self-hoisting construction method and furnace top crane for general overhaul of blast furnace |
-
2009
- 2009-06-30 CN CN200910054202A patent/CN101935721B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222579A (en) * | 1998-12-02 | 1999-07-14 | 酒泉钢铁(集团)有限责任公司 | Integral shift technology and equipment for overhaul of blast furnace |
| CN1974792A (en) * | 2006-12-01 | 2007-06-06 | 莱芜钢铁集团有限公司 | Self-hoisting construction method and furnace top crane for general overhaul of blast furnace |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-319709A 2000.11.21 |
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Address after: 200941 Shanghai City, Baoshan District Road, No. four yuan, 168 Patentee after: Shanghai Baoye Group Corp., Ltd. Address before: 200941 Shanghai City, Baoshan District Road, No. four yuan, 168 Patentee before: Baoye Construction Co., Ltd., Shanghai |
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Effective date of registration: 20210419 Address after: 200941, No. 8, building 168, four Yuan Road, Shanghai, Baoshan District Patentee after: SHANGHAI BAOYE METALLURGY ENGINEERING Co.,Ltd. Address before: 200941, No. four, 168 yuan Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOYE GROUP Corp.,Ltd. |