CN106015729B - A kind of reverse method in place of evaporated flue under sealing power house - Google Patents
A kind of reverse method in place of evaporated flue under sealing power house Download PDFInfo
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- CN106015729B CN106015729B CN201610418404.1A CN201610418404A CN106015729B CN 106015729 B CN106015729 B CN 106015729B CN 201610418404 A CN201610418404 A CN 201610418404A CN 106015729 B CN106015729 B CN 106015729B
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- flue
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- steel wire
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention discloses a kind of reverse method in place of evaporated flue under sealing power house, suspension centre is set on roof girder directly over flue is located in place, the driving set using two sets of elevator units and factory building, using reverse lifting mode, completes the work in place of evaporated flue.Its construction procedure is：First, hoisting apparatus is set；2nd, air flue horizontal cross across；3rd, top flue lifts；4th, hoisting apparatus shifts；5th, middle and lower part flue lifts.On the premise of the method need not remove layer Steel Structure, using mill construction, the driving configured and the hoisting apparatus set certainly, realize that air flue equipment inversely works in place, reduce the Influence of production to production line, reduce project inputs expense, ensure the progress of engineering construction.
Description
Technical field
The invention belongs to equipment installation method, more particularly, to the reverse method in place of evaporated flue under sealing power house.
Background technology
Evaporated flue equipment is one of key equipment of steelmaking converter, the channel unit of soot emissions when being converter smelting,
Steel-making high building converter mouth is applied between high-rise drum platform, is routinely formed by seven sections of flues are coherent, maximum one section of equipment
Weight can not be done directly the work in place of a whole set of flue in 20t or so, Converter Maintenance driving.Domestic similar engineering construction, leads to
It is in place that piecewise air flue equipment is completed frequently with the mode synchronously lifted with steel-making tower steel structure.Enter again after high-rise steel structure closing
Row flue is installed or changed, and it is in place paragraph by paragraph such as directly to carry out top flue using large-scale crane, just has to remove steel-making high building
The layer Steel Structure at roofing and low across factory building Standing position of a crane at flue, long construction period and directly affect production line production,
Project inputs expense increase simultaneously.
The content of the invention
The technical problems to be solved by the invention are the reverse methods in place of evaporated flue under sealing power house that proposes, are realized
Flue, using mill construction, the driving configured and the hoisting apparatus set certainly, realizes cigarette on the premise of layer Steel Structure is not removed
The work in place of road equipment safety, reduce the Influence of production to production line, reduce project inputs expense, ensure engineering construction
Progress.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：Cigarette is vaporized under a kind of sealing power house
The reverse method in place in road, it is characterised in that construction procedure is：The first step, hoisting apparatus are set；Second step, air flue horizontal mistake
Across；3rd step, the lifting of top flue；4th step, hoisting apparatus displacement；5th step, the lifting of middle and lower part flue；
The first step, hoisting apparatus are set；
A, two involved lifting point roofing girder constructions are lifted according to flue, structure stress checking computations are carried out, in two roofings
Liang Zhongxinchu, respectively with two blocks of steel plates, roof girder both sides are welded on, make to form box-structure at two roof girder centers；
B, diagonally arranged First, second 5t hoist engine centered on evaporated flue hole for hoist, lifted in evaporated flue
A set of assembly pulley is respectively set at the roof girder center of hole upper end, with steel wire rope and evaporated flue hole for hoist diagonally set first and
Second 5t hoist engines connection, the hoisting apparatus for completing the reverse raising of flue are set；
Second step, air flue horizontal cross across；
Using the flat lifting mode of inter-bank car owner's hook WAWQ of tapping, by flue to steel-making high building first layer platform translation, stretch
The flue A right-hand members entered in platform fall in the simple mobile device set in advance, after then playing flue A left ends with auxiliary hook load-bearing,
Tapping inter-bank car owner's hook is withdrawn from, the hoisting apparatus for recycling roofing to set, is set hoist rope by evaporated flue hole for hoist
Put on flue A right-hand members, while start first and second 5t hoist engines, make steel wire rope stress, formed and tapping inter-bank car pair
Setting of the hook to lift flue A, synchronous micro- tapping inter-bank car auxiliary hook and two 5t steel wire rope of windlass, make flue A before stress
Put to form gravity motion, slid by simple mobile device, complete flue A and move horizontally, so as to realize flue A horizontal mistake
Across work；Flue B, flue C also complete horizontal cross across work using the same manner；
3rd step, the lifting of top flue；
A, start first and second 5t hoist engines, make flue A right-hand member vertical-lifts, removal tapping inter-bank car auxiliary hook, make
Flue A forms upright state；
B, continue two 5t hoist engines of raising, after flue A right-hand members absolute altitude is exceeded flue A absolute altitude 500mm in place, stop simultaneously
Only two 5t hoist engines；The middle and lower part on the right side of flue A, a 10t chain block is set, according to flue A center sizes in place,
One side reverse starting First, second 5t hoist engine, the steel wire rope that is attached thereto is returned rope, while pull with chain block,
Making flue A centers, micro-shifting is moved to the right, by the returning repeatedly of hoist engine and chain block, is pulled work, is completed flue A and be seated in steaming
The work on cooler top is sent out, stops First, second 5t hoist engine and chain block action, with flue connecting bolt by cigarette
Road A is fixed at the platform of layout design, then removes the control action of hoist engine and chain block to flue A, completes flue A
Work in place；
C, flue B work in place is completed in the same way, is lifted flue C using first and second 5t hoist engines
To next layer of platform of elevator machine platform, and horizontal positioned flue C, remove first and second 5t hoist engines and be arranged on flue C
On steel wire rope, herein complete top flue work in place；
4th step, hoisting apparatus displacement；
Mobile First 5t hoist engines move to the platform upper to next layer of platform, and by assembly pulley A, and connect and finished
Weight steel wire rope, completes First 5t hoist engines and assembly pulley A connection；Second 5t hoist engine is moved again to lower two layers of platform,
And assembly pulley B is moved into left diagonal platform Lin Bianchu, and connect and finish hoist rope, complete second 5t hoist engine and pulley
Group B connection, so as to complete the shift operation of hoisting apparatus；
5th step, the lifting of middle and lower part flue；
The steel wire rope of First 5t hoist engines is arranged on to flue C top, the steel wire rope of second 5t hoist engine is set a,
Put in flue C bottom, while start first and second 5t hoist engines, make flue C in first and second 5t hoist engines
To carrying off, work in place is completed；
B, mobile pulley group B is lifted flue D to flue D positions in place with maintenance driving to sinistral platform upper right corner inner side
In the lower platform put, the steel wire rope of second 5t hoist engine is arranged on flue D tops, maintenance driving steel wire rope is arranged on cigarette
Road D bottoms, using hoist engine and maintenance driving to lift, complete flue D work in place；
C, directly flue F, flue G are lifted to converter mouth operating position using maintenance driving；
D, after other flues complete centering, directly flue E is lifted to operating position using maintenance driving, realized whole
The insertion of flue is covered, so as to complete the reverse installment work of evaporated flue under closed workshop.
As a preferred technical solution of the present invention, in the first step, the specification of the steel plate for 2000 × 750 ×
30mm, material Q235；In the first step, the assembly pulley is the assembly pulley that 4 × 4 specifications are 32t, and the steel wire rope is with directly
Footpath isSpecification is 6 × 37+1 steel wire rope.
The beneficial effect that is reached of the present invention is：Suspension centre is set on roof girder directly over flue is located in place, utilizes two sets
The driving that elevator unit and factory building are set, using reverse lifting mode, completes the work in place of evaporated flue；Reduce engineering cost
Input, ensure that the progress of engineering construction.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is that the reverse method in place of evaporated flue implements schematic longitudinal section under sealing power house proposed by the invention；
Fig. 2 is that air flue horizontal is crossed across schematic cross-sectional view；
Fig. 3 is flue vertical-lift schematic diagram；
Fig. 4 is that flue A implements schematic longitudinal section；
Fig. 5 is that flue B implements schematic longitudinal section；
Fig. 6 is flue C vertical-lift schematic longitudinal sections；
Fig. 7 is flue C schematic cross-sectional views in place；
Fig. 8 is flue D schematic cross-sectional views in place；
Fig. 9 is flue F, G schematic cross-sectional view in place；
Figure 10 flues E schematic cross-sectional views in place；
Figure 11 is a whole set of flue schematic longitudinal section；
In figure：1st, converter；2nd, devaporizer；3-1, flue A；3-2, flue B；3-3, flue C；3-4, flue D；3-5、
Flue E；3-6, flue F；3-7, flue G；4-1, First 5t hoist engines；4-2, second 5t hoist engine；5-1, assembly pulley A；
5-2, assembly pulley S；6th, simple mobile device；7th, maintenance driving；8-1, roof girder A；8-2, roof girder B；9th, 10t chain blocks；
10th, tapping inter-bank car.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
The present invention provides evaporated flue under a kind of sealing power house reverse method in place, and construction procedure is：The first step, lifting
Device is set；Second step, air flue horizontal cross across；3rd step, the lifting of top flue；4th step, hoisting apparatus displacement；5th step,
Middle and lower part flue lifting.
As shown in Figure 1 and Figure 2, Step 1: hoisting apparatus is set；
A, involved roof girder A8-1, roof girder B8-2 structures are lifted according to flue, structure stress checking computations is carried out, two
At root roof girder center, it is respectively Q235 steel plate with two pieces of 2000 × 750 × 30mm, material, is welded on roof girder both sides, makes room
Box-structure is formed at face beam A8-1, roof girder B8-2 centers, improves the stress bearing capacity at the suspension centre of center；
B, the diagonally arranged First 5t hoist engines 4-1 centered on evaporated flue hole for hoist, second 5t hoist engine 4-2,
It is each that assembly pulley A5-1 and assembly pulley B5- is set at roof girder A8-1, roof girder B8-2 centers in evaporated flue hole for hoist upper end
2, use is a diameter ofSpecification is the First 5t hoist engines that 6 × 37+1 steel wire rope and evaporated flue hole for hoist are diagonally set
4-1 and second 5t hoist engines 4-2 connection, the hoisting apparatus for completing the reverse raising of flue are set.
As shown in Figure 2 and Figure 3, Step 2: air flue horizontal cross across；
Using the flat lifting mode of main hook WAWQ of inter-bank car 10 of tapping, flue A3-1 is put down to steel-making high building first layer platform
Move, the flue A3-1 right-hand members stretched into platform, fall in the simple mobile device 6 set in advance, then play cigarette with auxiliary hook load-bearing
After road A3-1 left ends, the main hook of tapping inter-bank car 10 is withdrawn from, the hoisting apparatus for recycling roofing to set, passes through evaporated flue hole for hoist
Hoist rope is arranged on flue A3-1 right-hand members, while starts First 5t hoist engines 4-1 and second 5t hoist engines 4-
2, make steel wire rope stress, formed and setting of the auxiliary hook of tapping inter-bank car 10 to lift flue A3-1, synchronous micro- tapping inter-bank car 10
Auxiliary hook and First 5t hoist engines 4-1 and second 5t hoist engine 4-2 steel wire rope, flue A3-1 is set to form weight under the premise of stress
The heart moves, and is slid by simple mobile device 6, completes flue A3-1 and moves horizontally, so as to realize flue A3-1 it is horizontal cross across
Work.Flue B3-2, flue C3-3 also complete horizontal cross across work using the same manner.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Step 3: top flue lifts；
A, start First 5t hoist engines 4-1 and second 5t hoist engine 4-2, make flue A3-1 right-hand member vertical-lifts, unload
Except the tapping auxiliary hook of inter-bank car 10, flue A3-1 is set to form upright state；
B, continue raising First 5t hoist engines 4-1 and second 5t hoist engine 4-2, exceed flue A3-1 right-hand member absolute altitudes
After flue A3-1 absolute altitude 500mm in place, while stop First 5t hoist engines 4-1 and second 5t hoist engines 4-2.In flue
Middle and lower part on the right side of A3-1, a 10t chain block 9 is set, according to flue A3-1 center sizes in place, one side reverse starting the
One 5t hoist engines 4-1 and second 5t hoist engine 4-2, the steel wire rope for making to be attached thereto return rope, while pulling chain block
9, making flue A3-1 centers, micro-shifting is moved to the right, by First 5t hoist engines 4-1 and second 5t hoist engines 4-2 and pulls calabash
Reed 9 returns rope and pulling repeatedly, completes the work that flue A3-1 is seated in the top of devaporizer 2, stops First 5t elevators
Machine 4-1 and second 5t hoist engines 4-2 and chain block 9 act, and flue A3-1 is fixed on into drawing with flue connecting bolt sets
At the platform of meter, First 5t hoist engines 4-1 and second 5t hoist engines 4-2 and chain block 9 are then split out to flue A3-1
Control, complete flue A3-1 work in place；
C, flue B3-2 work in place is completed in the same way.Utilize First 5t hoist engines 4-1 and second 5t
Hoist engine 4-2 lifts flue C3-3 to next layer of platform of elevator machine platform, and horizontal positioned flue C3-3, removes First
5t hoist engines 4-1 and second 5t hoist engines 4-2 is arranged on the steel wire rope on flue C3-3, completes top flue work in place herein
Make.
As shown in fig. 6, Step 4: hoisting apparatus shifts；
Mobile First 5t hoist engines 4-1 to next layer platform, and assembly pulley A5-1 is moved into the platform upper, and connect
Hoist rope is finished, completes First 5t hoist engines 4-1 and assembly pulley A5-1 connection；Second 5t hoist engines 4- is moved again
2 to lower two layers of platform, and assembly pulley B5-2 is moved into left diagonal platform Lin Bianchu, and connects and finish hoist rope, completes the
Two 5t hoist engines 4-2 and assembly pulley B5-2 connection, so as to complete the shift operation of hoisting apparatus.
As shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Step 5: middle and lower part flue lifts；
First 5t hoist engines 4-1 steel wire rope is arranged on to flue C3-3 top a, second 5t hoist engines 4-2's
Steel wire rope is arranged on flue C3-3 bottom, while starts First 5t hoist engines 4-1 and second 5t hoist engine 4-2, makes cigarette
Road C3-3, to carrying off, completes work in place in First 5t hoist engines 4-1 and second 5t hoist engines 4-2；
B, mobile pulley group B5-2 is lifted flue D3-4 to flue with maintenance driving 7 to sinistral platform upper right corner inner side
On platform below D3-4 on-station positions, second 5t hoist engines 4-2 steel wire rope is arranged on flue D3-4 tops, maintenance row
The steel wire rope of car 7 is arranged on flue D3-4 bottoms, and flue D3-4 is completed using 7 pairs of lifts of second 5t hoist engines 4-2 and maintenance driving
Work in place；
C, directly flue F3-6, flue G3-7 are lifted to the fire door operating position of converter 1 using maintenance driving 7；
D, after other flues complete centering, directly flue E3-5 is lifted to operating position using maintenance driving 7, it is real
The insertion of existing a whole set of flue, so as to complete the reverse installment work of evaporated flue under closed workshop.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of reverse method in place of evaporated flue under sealing power house, it is characterised in that construction procedure is：The first step, lifting
Device is set；Second step, air flue horizontal cross across；3rd step, the lifting of top flue；4th step, hoisting apparatus displacement；5th step,
Middle and lower part flue lifting；
The first step, hoisting apparatus are set；
A, two involved lifting point roofing girder constructions are lifted according to flue, structure stress checking computations are carried out, in two roof girders
At the heart, respectively with two blocks of steel plates, roof girder both sides are welded on, make to form box-structure at two roof girder centers；
B, diagonally arranged First, second 5t hoist engine centered on evaporated flue hole for hoist, on evaporated flue hole for hoist
A set of assembly pulley is respectively set at the roof girder center at end, first and second diagonally set with steel wire rope and evaporated flue hole for hoist
Platform 5t hoist engines are connected, and the hoisting apparatus for completing the reverse raising of flue is set；
Second step, air flue horizontal cross across；
Using the flat lifting mode of inter-bank car owner's hook WAWQ of tapping, by flue to steel-making high building first layer platform translation, stretch into flat
Flue A right-hand members in platform fall in the simple mobile device set in advance, after then playing flue A left ends with auxiliary hook load-bearing, withdraw from
Hoist rope, the hoisting apparatus for recycling roofing to set, is arranged on by tapping inter-bank car owner's hook by evaporated flue hole for hoist
On flue A right-hand members, while start first and second 5t hoist engines, make steel wire rope stress, formed and tapping inter-bank car auxiliary hook pair
Flue A setting, synchronous micro- tapping inter-bank car auxiliary hook and two 5t steel wire rope of windlass are lifted, make flue A under the premise of stress
Gravity motion is formed, is slid by simple mobile device, flue A is completed and moves horizontally, so as to realize that the horizontal of flue A is crossed across work
Make；Flue B, flue C also complete horizontal cross across work using the same manner；
3rd step, the lifting of top flue；
A, start first and second 5t hoist engines, make flue A right-hand member vertical-lifts, removal tapping inter-bank car auxiliary hook, make flue A
Form upright state；
B, continue two 5t hoist engines of raising, after flue A right-hand members absolute altitude is exceeded flue A absolute altitude 500mm in place, while stop two
Platform 5t hoist engines；The middle and lower part on the right side of flue A, a 10t chain block is set, according to flue A center sizes in place, one side
Reverse starting First, second 5t hoist engine, the steel wire rope for making to be attached thereto returns rope, while pulls chain block, makes flue A
Micro-shifting is moved to the right at center, by the returning repeatedly of hoist engine and chain block, is pulled work, is completed flue A and be seated in evaporation cooling
The work on device top, stop First, second 5t hoist engine and chain block action, consolidated flue A with flue connecting bolt
It is scheduled at the platform of layout design, then removes the control action of hoist engine and chain block to flue A, completes flue A just
Position work；
C, flue B work in place is completed in the same way, is lifted flue C to volume using first and second 5t hoist engines
Raise on next layer of platform of machine platform, and horizontal positioned flue C, remove first and second 5t hoist engines and be arranged on flue C
Steel wire rope, top flue is completed herein and is worked in place；
4th step, hoisting apparatus displacement；
Mobile First 5t hoist engines move to the platform upper to next layer of platform, and by assembly pulley A, and connect and finish lifting steel
Cord, complete First 5t hoist engines and assembly pulley A connection；Second 5t hoist engine is moved again to lower two layers of platform, and will
Assembly pulley B moves to left diagonal platform Lin Bianchu, and connects and finish hoist rope, completes second 5t hoist engine and assembly pulley B
Connection, so as to complete the shift operation of hoisting apparatus；
5th step, the lifting of middle and lower part flue；
The steel wire rope of First 5t hoist engines is arranged on to flue C top, the steel wire rope of second 5t hoist engine is arranged on a,
Flue C bottom, while start first and second 5t hoist engines, make flue C in first and second 5t hoist engines to lift
Under, complete work in place；
B, mobile pulley group B is lifted flue D to flue D on-station positions with maintenance driving to sinistral platform upper right corner inner side
In lower platform, the steel wire rope of second 5t hoist engine is arranged on flue D tops, maintenance driving steel wire rope is arranged on flue D
Bottom, using hoist engine and maintenance driving to lift, complete flue D work in place；
C, directly flue F, flue G are lifted to converter mouth operating position using maintenance driving；
D, after other flues complete centering, directly flue E is lifted to operating position using maintenance driving, realizes a whole set of cigarette
The insertion in road, so as to complete the reverse installment work of evaporated flue under closed workshop.
2. according to the reverse method in place of evaporated flue under a kind of sealing power house described in claim 1, it is characterised in that institute
State in the first step, the specification of the steel plate is 2000 × 750 × 30mm, material Q235；In the first step, the assembly pulley
It is the assembly pulley that 4 × 4 specifications are 32t, the steel wire rope is with a diameter ofSpecification is 6 × 37+1 steel wire rope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418404.1A CN106015729B (en) | 2016-06-08 | 2016-06-08 | A kind of reverse method in place of evaporated flue under sealing power house |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418404.1A CN106015729B (en) | 2016-06-08 | 2016-06-08 | A kind of reverse method in place of evaporated flue under sealing power house |
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| CN106015729B true CN106015729B (en) | 2018-03-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108946470B (en) * | 2018-07-09 | 2019-11-15 | 莱芜钢铁集团有限公司 | A kind of replacing options for converter entirety flue |
| CN108996396B (en) * | 2018-07-23 | 2019-09-20 | 中国化学工程第十四建设有限公司 | Installation engineering method of the large-scale tray drier in restricted clearance |
| CN109022672B (en) * | 2018-08-24 | 2020-03-10 | 中国二十冶集团有限公司 | Installation method of converter vaporization cooling flue during maintenance |
| CN110077963B (en) * | 2019-04-30 | 2021-03-02 | 中国二十冶集团有限公司 | Installation method of large tank |
| CN111663779A (en) * | 2020-06-29 | 2020-09-15 | 中国二十冶集团有限公司 | Closed construction method for metallurgical industry factory building |
| CN116891180B (en) * | 2023-08-29 | 2023-12-15 | 广东省源天工程有限公司 | Main shaft hoisting method and auxiliary hoisting device for bulb tubular turbine unit |
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| US5881504A (en) * | 1995-05-15 | 1999-03-16 | Obayashi Corporation | Temporary frame system for construction |
| CN101264845A (en) * | 2008-05-06 | 2008-09-17 | 首钢总公司 | Crown block high altitude integrated suspension transposition construction method |
| CN202245865U (en) * | 2011-10-08 | 2012-05-30 | 中国十九冶集团有限公司 | Device for hoisting head pulley of sintering machine |
| CN102816891A (en) * | 2012-08-23 | 2012-12-12 | 中国十七冶集团有限公司 | Hoisting method for overhauling and dismantling vaporization flue fixed at first section of converter |
| CN104846143A (en) * | 2015-06-09 | 2015-08-19 | 中国十九冶集团有限公司 | Construction method for replacing steelmaking converter flue |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5881504A (en) * | 1995-05-15 | 1999-03-16 | Obayashi Corporation | Temporary frame system for construction |
| CN101264845A (en) * | 2008-05-06 | 2008-09-17 | 首钢总公司 | Crown block high altitude integrated suspension transposition construction method |
| CN202245865U (en) * | 2011-10-08 | 2012-05-30 | 中国十九冶集团有限公司 | Device for hoisting head pulley of sintering machine |
| CN102816891A (en) * | 2012-08-23 | 2012-12-12 | 中国十七冶集团有限公司 | Hoisting method for overhauling and dismantling vaporization flue fixed at first section of converter |
| CN104846143A (en) * | 2015-06-09 | 2015-08-19 | 中国十九冶集团有限公司 | Construction method for replacing steelmaking converter flue |
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| CN106015729A (en) | 2016-10-12 |
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