CN105238420B - Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options - Google Patents
Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options Download PDFInfo
- Publication number
- CN105238420B CN105238420B CN201510747332.0A CN201510747332A CN105238420B CN 105238420 B CN105238420 B CN 105238420B CN 201510747332 A CN201510747332 A CN 201510747332A CN 105238420 B CN105238420 B CN 105238420B
- Authority
- CN
- China
- Prior art keywords
- coke oven
- tedge
- uprising tube
- transverse arm
- hoist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coke Industry (AREA)
Abstract
The present invention provides a kind of coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options, is especially applied to the coke oven coke oven uprising tube more exchange device of coke oven production field and coke oven coke oven uprising tube replacing options.One kind provided by the invention is simple in structure, can shorten the repair time, the successional coke oven coke oven uprising tube more exchange device of coke oven production is kept, including charging car, vertical columns, Rotary cloumn, hoist, transverse arm.The present invention also provides a kind of dangerous coke oven coke oven uprising tube replacing options for more changing jobs of reducing.Including several steps：A, by transverse arm rotation to the top of the tedge needed to change；B, the tedge needed replacing is sling；C, the tedge of replacement is removed；D, new tedge is transported to place to be installed to install；E, it is fixed after transverse arm rotation is returned.The rotatable cantilever crane structure of the application is simple, at low cost, does not influence the use function of coal car after installation, does not influence coal car traveling, does not influence the normal production of coke oven, using flexible.
Description
Technical field
The present invention relates to a kind of coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options, are especially applied to coke oven
The coke oven coke oven uprising tube of production field more exchange device and coke oven coke oven uprising tube replacing options.
Background technology
Coke oven is during long-term production, coke oven coke oven uprising tube corrosive substance shadow in by the frequent start-stop of cyclic ammonia water and coal gas
Ring, frequently occur crack, scoring phenomenon, not only deteriorate coking technique environment, lose bad furnace retaining ironware, and cause a large amount of raw coke oven gas
It is lost in.With the growth in coke oven furnace life, the raw coke oven gas equipment leading out extent of damage increases year by year, seriously affects the cleaning life of coke oven
Production, it is necessary to be replaced to the tedge of coke oven cokery side.It is larger due to rising pipe volume, each tedge weighs 700~
800kg, and replacement position is narrow and small, tedge is replaced more difficult.Tradition replace coke oven coke oven uprising tube be using large and medium-sized crane into
Row is replaced, and it is high to rent large-scale crane cost, and furnace roof is narrow and small, and close to gas collecting tube, pipeline is complicated, and there are larger safety during operation
Risk.Therefore it is at low cost in the prior art there are no a kind of simple in structure, the normal production of coke oven is not influenced, and can be saved
A large amount of human and material resources are saved, financial resources greatly shorten the repair time, keep the continuity of coke oven production, reduce what is more changed jobs
Dangerous coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of simple in structure, it is at low cost, do not influence the normal life of coke oven
Production, and a large amount of human and material resources can be saved, financial resources greatly shorten the repair time, keep the continuity of coke oven production, subtract
The small dangerous coke oven coke oven uprising tube more exchange device more to change jobs.
Used coke oven coke oven uprising tube more exchange device to solve above-mentioned technical problem, including charging car, vertical columns, rotation
Column, hoist and transverse arm, the vertical columns are fixedly mounted on the coal car platform of charging car, and the Rotary cloumn is set in
On vertical columns, the Rotary cloumn can be relatively fixed column rotation, and the transverse arm is fixedly connected on Rotary cloumn away from coal
One end of vehicle platform, the transverse arm is vertical with Rotary cloumn, and the hoist is arranged on transverse arm.
It is further to further include diagonal brace, described diagonal brace one end is fixedly connected with transverse arm, and the other end is fixed with Rotary cloumn
Connection.
It is further to be connected between the Rotary cloumn and vertical columns by thrust bearing.
It is further that fixed sleeving is arranged with outside the vertical columns, the fixed sleeving Rotary cloumn flange connects
It connects.
Another technical problem to be solved by this invention is to provide the normal production for not influencing coke oven, and can save
A large amount of human and material resources, financial resources greatly shorten the repair time, keep the continuity of coke oven production, reduce the danger more to change jobs
Dangerous coke oven coke oven uprising tube replacing options.
Used coke oven coke oven uprising tube replacing options to solve above-mentioned technical problem, including following steps：
A, Rotary cloumn will be rotated, makes transverse arm rotation to the top of the tedge needed to change；
B, the tedge needed replacing is sling using the hoist being arranged on transverse arm；
C, the tedge needed replacing is removed using hoist；
D, new tedge is sling and is transported to place to be installed and installs；
E, after transverse arm rotation being returned coal car direction of travel, transverse arm is fixed.
It is further, it, will be new with coal car by upper hose, ammonia water pipe and the tedge disconnection needed to change before a steps
Tedge is hoisted to institute's change place, and hoist is hung up properly on transverse arm.
It is further, first with steel cable by the bridge tube on the tedge top needed to change and object steel cable in b step
It bundlees, is suspended on the hook of hoist, progressively adjust hoist, be tightened up tedge top, required for removing one by one
The tedge top and the bottom flange bolt of replacement, while hoist tightness is adjusted, under making the objects such as tedge top bridge tube not
Pendant.
It is further in Step d, a circle asbestos cord to be fixed on the upper and lower flange face of new tedge, and is cleared up on new
Flanged joint position sundries, new tedge upper flange with steel cable is tied, utilizes the hoist on coal car crossbeam above and below riser
New tedge is slowly placed on the connecting flange of ascending tube at lower part, the position of tedge is adjusted by crowbar, makes laxative remedy
Bolt hole device to hole between orchid, adjusts new tedge, is completely embedded the asbestos cord between lower flange, will be up and down after exhaustive
Bolt between flange all fastens, and checks and rises seal of tube situation after replacing, if sealing is preferable, replaces the work of tedge
It finishes；If flange is there are smoke conditions, it is necessary to which bricklayer is blocked with asbestos cord.
It is further if replacing one section of tedge bottom, then to need bricklayer that will rise the progress of bottom of the tube sundries clear
Reason, grouting sealing is carried out after replacement to tedge root.
It is further progressively to recover tedge filling pipe, ammonia water pipe after the completion of step e, is recovering high-low pressure ammonium hydroxide just
It often uses, production restoration is normal.
The beneficial effects of the invention are as follows：The structure of this equipment is simple, at low cost, and do not influence coal car after installation uses work(
Can, after use, by cantilever crane cycle coal car direct motion direction, coal car traveling is not influenced, does not influence the normal production of coke oven.It should
Equipment using flexible.Can lifting, transport tedge, bridge tube, also can miscellaneous equipment on lifting coke oven.Save a large amount of manpowers, object
Power, financial resources, repair time greatly shorten, and maintain the continuity of coke oven production.Reduce the danger more to change jobs.This method
Highly practical, safety is fast, simply, smaller to coke oven Influence of production, can accomplish to replace at any time.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Parts, position and number in figure：Charging car 1, vertical columns 2, Rotary cloumn 3, hoist 4, transverse arm 5, diagonal brace
6th, tedge 7.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, coke oven coke oven uprising tube (7) more exchange device of the present invention, including charging car (1), vertical columns
(2), Rotary cloumn (3), hoist (4) and transverse arm (5), the coal car that the vertical columns (2) are fixedly mounted on charging car (1) are put down
On platform, the Rotary cloumn (3) is set on vertical columns (2), and the Rotary cloumn (3) can be relatively fixed column (2) and turn
Dynamic, the transverse arm (5) is fixedly connected on the one end of Rotary cloumn (3) away from coal car platform, the transverse arm (5) and Rotary cloumn
(3) vertically, the hoist (4) is arranged on transverse arm (5).Hoist (4) and transverse arm (5) form a rotatable cantilever
Hang structure.Installation one using hoist (4) can be filled and replaced on coke oven with the cantilever crane of left rotation and right rotation so on charging car (1)
Riser (7) is replaced and is taken hoisting bracket replacement coke oven coke oven uprising tube (7) with traditional crane and has the advantage that：The rotation is hanged
Arm hang it is simple in structure, it is at low cost, the use function of coal car is not influenced after installation, it is after use, cantilever crane cycle coal car is suitable
Line direction, does not influence coal car traveling, does not influence the normal production of coke oven.The equipment is included using spirit.It can lifting, transport tedge
(7), bridge tube, also can miscellaneous equipment on lifting coke oven.A large amount of human and material resources, financial resources are saved, the repair time greatly shortens, and protects
The continuity of coke oven production is held.Reduce the danger more to change jobs.This method is highly practical, safety, fast, simply, right
Coke oven Influence of production is smaller, can accomplish to replace at any time.
Diagonal brace (6) is further included, described diagonal brace (6) one end is fixedly connected with transverse arm (5), and the other end is solid with Rotary cloumn (3)
Fixed connection.Diagonal brace (6) can be effectively increased the rigidity and intensity of this equipment.
It is connected between the Rotary cloumn (3) and vertical columns (2) by thrust bearing.It is realized and rotated using thrust bearing
Column (3) and vertical columns (2) increased rotation connection, while thrust bearing can also bear the power of vertical direction.
Fixed sleeving, fixed sleeving Rotary cloumn (3) flanged joint are arranged with outside the vertical columns (2).Gu
Fixed set is used for fixing Rotary cloumn (3) with fixed column, and to prevent equipment, transverse arm (5) rotates when not in use.
The production method of this equipment：Hinged cantilever hanger is triangle, and transverse arm (5) and diagonal brace (6) make of channel steel, and with
Rotary cloumn (3) forms hanger together.The thick arm steel pipe manufacturing of Rotary cloumn (3), pacifies an axial thrust bearing in bottom, to
Rotating hanger suspends direction in midair.One fixed sleeving of vertical columns (2) outsourcing, opens bolt hole, blending bolt in the middle part of fixed sleeving
It is fixed, is caused the accident with ensureing in coke oven production process that cantilever crane rotates freely, column, which is bolted, is fixed on coal car
, it is necessary to rotate hanger to tedge (7) top position when using on platform, hanger is rotated to coal car after use and is moved
Direction.Transverse arm (5) front end sets hook one, for hanging hoist (4).Rings center face tedge (7) center, is hung with profit
Dress.
Coke oven coke oven uprising tube (7) replacing options of the present invention, including following steps：
A, Rotary cloumn (3) will be rotated, transverse arm (5) is made to turn to the top of the tedge (7) needed to change；
B, the tedge needed replacing (7) is sling using the hoist (4) being arranged on transverse arm (5)；
C, the tedge needed replacing (7) is removed using hoist (4)；
D, new tedge (7) is sling and is transported to place to be installed and installs；
E, it is after transverse arm (5) being rotated back to coal car direction of travel, transverse arm (5) is fixed.
Before tedge (7) is replaced, the hanger is rotated to above tedge (7) first, it first will be upper using hoist (4)
The tedge (7) (or bridge tube) in portion is sling, then using the hoist (4) installed on coal car by the tedge needed replacing (7)
It removes, is placed on small handcart and is transported to stove end stand, then sling to be transported at replacement by new tedge (7) and install.The cantilever crane uses
After, it is necessary to Rotary cloumn (3) is fixed.
Upper hose, ammonia water pipe and the tedge (7) that is needed to change are disconnected before a steps, with coal car by new tedge (7)
Institute's change place is hoisted to, hoist (4) is hung up properly on transverse arm (5).
The bridge tube on the tedge needed to change (7) top and object with steel cable are bundled with steel cable first in b step, hanged
On the hook for hanging over hoist (4), hoist (4) is progressively adjusted, is tightened up tedge (7) top, required for removing one by one
Tedge (7) top and the bottom flange bolt of replacement, while hoist (4) tightness is adjusted, make tedge (7) top bridge tube etc.
Object does not drop.First tedge (7) is tensed using hoist (4), to mitigate the gravity of tedge (7), so more
Facilitate and disassemble tedge (7).
In Step d, a circle asbestos cord is fixed on the upper and lower flange face of new tedge (7), and clears up new tedge (7)
Upper and lower flanged joint position sundries, new tedge (7) upper flange with steel cable is tied, utilizes the hoist on coal car crossbeam
(4) new tedge (7) is slowly placed on the connecting flange of ascending tube at lower part (7), the position of tedge (7) is adjusted by crowbar
It puts, makes the bolt hole device to hole between lower flange, adjust new tedge (7), be completely embedded the asbestos cord between lower flange,
The bolt between upper lower flange is all fastened after exhaustive, checks tedge (7) sealing situation after replacing, if sealing is preferable,
The work for then replacing tedge (7) finishes；If flange is there are smoke conditions, it is necessary to which bricklayer is blocked with asbestos cord.Using
Preceding method can complete the installation of new tedge (7) faster, while improve the accuracy of installation site and ensure reliable
Sealing effect
If it is one section bottom to replace tedge (7), then bricklayer is needed to clear up tedge (7) bottom sundries, more
Grouting sealing is carried out to tedge (7) root after changing.Sundries is cleared up and grouting is sealed to root can be with
Ensure that tedge (7) reliably seals after installing.
Progressively recover tedge (7) filling pipe, ammonia water pipe after the completion of step e, recover high-low pressure ammonium hydroxide normal use, it is raw
Production recovers normal.
The complete work flow of this method is
First, the preparation before operation area.
1st, after replacing construction is determined, the instrument of required preparation, material are prepared to scene in advance.
2nd, upper hose, ammonia water pipe and the tedge (7) of the number of replacement are disconnected.
3rd, do not influence that new tedge (7) is hoisted to institute's change place with coal car in the case of producing.
4th, the pusher side of the replacement number or coke side high pressure aqua ammonia are opened, closes this number coke side or pusher side turnover panel.
The 5th, bolt that coal car upper cantilever is hung to fixed pillar loosens, it is ensured that cantilever crane is above tedge (7).It is revolving
Turn to hang up properly hoist (4) on hangers.Arrange special messenger that coal car driver is commanded to coordinate motor-car during replacement.
6th, after conditions above possesses, proceed by old tedge (7) dismounting and new tedge (7) is installed.
2nd, job step
1st, the dismounting of old tedge (7)
The bridge tube on old tedge (7) top and object with steel cable are bundled with steel cable first, are suspended on hoist (4) extension
On hook, chain block is progressively adjusted, it is ensured that tedge (7) top is tightened up.
Replaced tedge (7) top and the bottom flange bolt is progressively removed, while it is elastic to adjust chain block on cantilever crane
Degree, it is ensured that the objects such as tedge (7) top bridge tube do not drop.
A chain block is being installed on coal car crossbeam, and the old tedge (7) bundled with steel cable is hung over into cucurbit
It hangs on (4).Wait that the old tedge (7) needed to change up and down all torn open by flange bolt, it is ensured that tedge (7) top bridge tube etc.
Object does not drop.Slowly the old tedge (7) is moved from tedge (7) junction using the chain block on coal car crossbeam
Go out.
After old tedge (7) is removed, operated using furnace roof small handcart to furnace roof heap of iron junk.
2nd, the installation of new tedge (7)
A circle asbestos cord is fixed on the upper and lower flange face of new tedge (7) first, clears up lower flange on new tedge (7)
Connecting portion sundries.
New tedge (7) upper flange is tied with steel cable, using the chain block on coal car crossbeam by new tedge (7)
It is slowly placed on the connecting flange of ascending tube at lower part (7), the position of tedge (7) is adjusted by crowbar, it is ensured that upper lower flange
Between bolt hole device to hole.
Adjust new tedge (7), it is ensured that the asbestos cord between upper lower flange is completely embedded, after exhaustive by upper lower flange it
Between bolt all fasten.
If it is one section bottom to replace tedge (7), then bricklayer is needed to clear up tedge (7) bottom sundries, more
Grouting sealing is carried out to tedge (7) root after changing.
Check tedge (7) sealing situation after replacing, if sealing is preferable, the work for replacing tedge (7) finishes；If method
Blue place is there are smoke conditions, it is necessary to which bricklayer is blocked with asbestos cord.
3rd, round-off work
First, by the cantilever crane cycle coal car direction of travel on coal car, and fixed with spiral.
Progressively recover tedge (7) filling pipe, ammonia water pipe again, recover high-low pressure ammonium hydroxide normal use.
Last production restoration is normal.
Claims (10)
1. coke oven coke oven uprising tube more exchange device, it is characterised in that：Including charging car (1), vertical columns (2), Rotary cloumn (3), calabash
Reed hangs (4) and transverse arm (5), and the vertical columns (2) are fixedly mounted on the coal car platform of charging car (1), the Rotary cloumn
(3) it is set on vertical columns (2), the Rotary cloumn (3) can be relatively fixed column (2) rotation, and the transverse arm (5) is fixed
The one end of Rotary cloumn (3) away from coal car platform is connected to, the transverse arm (5) is vertical with Rotary cloumn (3), the hoist
(4) it is arranged on transverse arm (5).
2. coke oven coke oven uprising tube as described in claim 1 more exchange device, it is characterised in that：Further include diagonal brace (6), the diagonal brace
(6) one end is fixedly connected with transverse arm (5), and the other end is fixedly connected with Rotary cloumn (3).
3. coke oven coke oven uprising tube as described in claim 1 more exchange device, it is characterised in that：The Rotary cloumn (3) is stood with fixed
Column is connected between (2) by thrust bearing.
4. coke oven coke oven uprising tube as described in claim 1 more exchange device, it is characterised in that：It is arranged outside the vertical columns (2)
There are fixed sleeving, fixed sleeving Rotary cloumn (3) flanged joint.
5. the coke oven coke oven uprising tube replacing options carried out using coke oven coke oven uprising tube described in claim 1 more exchange device, feature are existed
In：
Including following steps：
A, Rotary cloumn (3) will be rotated, transverse arm (5) is made to turn to the top of the tedge (7) needed to change；
B, the tedge needed replacing (7) is sling using the hoist (4) being arranged on transverse arm (5)；
C, the tedge needed replacing (7) is removed using hoist (4)；
D, new tedge (7) is sling and is transported to place to be installed and installs；
E, it is after transverse arm (5) being rotated back to coal car direction of travel, transverse arm (5) is fixed.
6. coke oven coke oven uprising tube replacing options as claimed in claim 5, it is characterised in that：By upper hose, ammonia water pipe before a steps
It is disconnected with the tedge (7) needed to change, new tedge (7) is hoisted to institute's change place with coal car, calabash is hung up properly on transverse arm (5)
Reed hangs (4).
7. coke oven coke oven uprising tube replacing options as claimed in claim 5, it is characterised in that：It first need to steel cable in b step
The bridge tube and object on tedge (7) top of replacement are bundled with steel cable, are suspended on the hook of hoist (4), are progressively adjusted
Hoist (4) is tightened up tedge (7) top, tedge (7) top and the bottom flange bolt replaced required for removing one by one,
Hoist (4) tightness is adjusted simultaneously, the objects such as tedge (7) top bridge tube is made not drop.
8. coke oven coke oven uprising tube replacing options as claimed in claim 5, it is characterised in that：In Step d, in new tedge (7)
A circle asbestos cord is fixed on upper and lower flange face, and clears up new tedge (7) flanged joint position sundries up and down, by new tedge
(7) upper flange is tied with steel cable, is slowly placed on new tedge (7) on lower part using the hoist (4) on coal car crossbeam
On the connecting flange of riser (7), the position of tedge (7) is adjusted by crowbar, makes the bolt hole device to hole between lower flange, adjusted
Renewing tedge (7), is completely embedded the asbestos cord between lower flange, after exhaustive that the bolt between upper lower flange is whole
Fastening checks tedge (7) sealing situation after replacing, if sealing is preferable, the work for replacing tedge (7) finishes；If flange
Place is there are smoke conditions, it is necessary to which bricklayer is blocked with asbestos cord.
9. coke oven coke oven uprising tube replacing options as claimed in claim 8, it is characterised in that：If it is bottom to replace tedge (7)
One section, then bricklayer is needed to clear up tedge (7) bottom sundries, is in the milk after replacement to tedge (7) root
Sealing.
10. coke oven coke oven uprising tube replacing options as claimed in claim 5, it is characterised in that：On progressively recovering after the completion of step e
Riser (7) filling pipe, ammonia water pipe, recover high-low pressure ammonium hydroxide normal use, and production restoration is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747332.0A CN105238420B (en) | 2015-11-05 | 2015-11-05 | Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747332.0A CN105238420B (en) | 2015-11-05 | 2015-11-05 | Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105238420A CN105238420A (en) | 2016-01-13 |
| CN105238420B true CN105238420B (en) | 2018-05-18 |
Family
ID=55036248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510747332.0A Active CN105238420B (en) | 2015-11-05 | 2015-11-05 | Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105238420B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446595B (en) * | 2016-05-31 | 2020-03-27 | 宝山钢铁股份有限公司 | Method for integrally replacing coke oven ascending pipe during full-scale process |
| CN106714360B (en) * | 2017-01-10 | 2020-03-06 | 中国工程物理研究院材料研究所 | Maintenance method for common insulation fault of electrode of high-temperature atmosphere pressure sintering furnace |
| CN107286960A (en) * | 2017-07-12 | 2017-10-24 | 攀钢集团攀枝花钢钒有限公司 | Replacing options for the tall and big volume list discharge coke oven coke oven uprising tubes of 5~8m |
| CN108003901B (en) * | 2017-12-05 | 2020-03-27 | 马鞍山钢铁股份有限公司 | Coke oven bridge pipe replacing method and replacing auxiliary device thereof |
| CN109161386B (en) * | 2018-11-09 | 2020-06-26 | 陕西黑猫焦化股份有限公司 | Method for overhauling large-scale accessory of coke guide |
| CN113028375B (en) * | 2021-03-23 | 2022-07-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Atomizing heat transfer device and system |
| CN115216314A (en) * | 2021-04-20 | 2022-10-21 | 中冶宝钢技术服务有限公司 | Construction process for hoisting and replacing ascending pipe and bridge pipe on top of coke oven |
| CN114437741B (en) * | 2022-01-27 | 2024-01-30 | 山东炜杰化工科技有限公司 | Quick replacing method for coke oven ascending pipe and special fixture device thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999638U (en) * | 2011-01-25 | 2011-10-05 | 河北钢铁股份有限公司邯郸分公司 | Hoisting device for ascending pipe and bridge pipe of coke oven |
| CN102304366A (en) * | 2011-08-03 | 2012-01-04 | 莱芜钢铁股份有限公司 | Correction method for detachment of connection position of coke oven bridge pipe and bell and spigot faucet |
| CN105018112A (en) * | 2014-04-29 | 2015-11-04 | 五冶集团上海有限公司 | Method for replacing ascending pipe base of coke oven |
-
2015
- 2015-11-05 CN CN201510747332.0A patent/CN105238420B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201999638U (en) * | 2011-01-25 | 2011-10-05 | 河北钢铁股份有限公司邯郸分公司 | Hoisting device for ascending pipe and bridge pipe of coke oven |
| CN102304366A (en) * | 2011-08-03 | 2012-01-04 | 莱芜钢铁股份有限公司 | Correction method for detachment of connection position of coke oven bridge pipe and bell and spigot faucet |
| CN105018112A (en) * | 2014-04-29 | 2015-11-04 | 五冶集团上海有限公司 | Method for replacing ascending pipe base of coke oven |
Non-Patent Citations (1)
| Title |
|---|
| 装煤车简易滑动壁吊的应用;李小汝 等;《燃料与化工》;20080731;第23页左列倒数第3段至第25页第1段，图1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105238420A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105238420B (en) | Coke oven coke oven uprising tube more exchange device and coke oven coke oven uprising tube replacing options | |
| CN204917742U (en) | Portable portal crane is used in piping erection | |
| CN206625575U (en) | A kind of elephant trunk system for exempting to pump the quick cloth concrete of gamut | |
| CN107091096A (en) | Replacing options in the main driving seal failure hole of balancing earth-pressure shielding machine under a kind of normal pressure | |
| CN106011366B (en) | Converter taphole complexes combined method installation method | |
| CN214007130U (en) | Quick plug fracturing manifold | |
| CN103466038B (en) | A kind of FPSO single-point cone buoy inner connection tube replacing options | |
| CN206616184U (en) | Coke oven loss flue dust dust gathering arrester supporting construction | |
| CN107699650B (en) | A kind of installation method of blast furnace cooling stave | |
| CN104531931B (en) | Blast furnace discharge yard bottom cleaning shaft installation method | |
| CN106764053A (en) | A kind of bell-and-spigot pipe rapid installation device and installation method | |
| CN205713980U (en) | A kind of telescopic setting of casing seals aerofluxus provisions for grouting | |
| CN106834589B (en) | Converter Maintenance method | |
| CN208473761U (en) | A kind of surface pipe suspension arrangement | |
| CN106010589A (en) | Integrated replacement method of key export equipment for crude gas from large-capacity coke oven | |
| CN106016233A (en) | Boiler roof with long span and fewer welding spots and hoisting method for boiler roof | |
| CN108015519B (en) | The drawing process covered in blast furnace | |
| CN109610325A (en) | The construction method of high-speed railway bridge hanging basket mounting platform | |
| CN103016043B (en) | Inflatable smoke exhaust and dust removal isolating hood for tunnel shaft construction | |
| CN104612166B (en) | The combination supporting device of a kind of supporting hole wall and method for protecting support | |
| CN204899977U (en) | A automatic sand removal device of pipeline that is used for tailings to fill thick liquid system that makes | |
| CN207828350U (en) | A kind of vacuum retort | |
| CN209293724U (en) | A kind of Oil Field emergency seal assembly | |
| CN208502714U (en) | The test wellhead assembly of oil-water well | |
| CN206735063U (en) | A kind of mixing plant cement bin Cang Gai rain-proof structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |