CN107419057A - A kind of method for changing refining furnace electrode mast - Google Patents
A kind of method for changing refining furnace electrode mast Download PDFInfo
- Publication number
- CN107419057A CN107419057A CN201710637443.5A CN201710637443A CN107419057A CN 107419057 A CN107419057 A CN 107419057A CN 201710637443 A CN201710637443 A CN 201710637443A CN 107419057 A CN107419057 A CN 107419057A
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- CN
- China
- Prior art keywords
- transverse arm
- column
- lift cylinders
- dust excluding
- excluding hood
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a kind of method for changing refining furnace electrode mast, the characteristics of this method, is, the dust excluding hood (5) above transverse arm (3) is removed first, increase working space, then handling is together carried out using transverse arm (3), column (7) and lift cylinders (9) as overall, after handling to spare part repair region, old column (7) is changed with new column (7), finally transverse arm (3), new column (7) and lift cylinders (9) are integrally returned and are attached to home position, and dust excluding hood (5) is moved back to.Compared with the method that tradition changes column, method provided by the invention overcomes the drawbacks of working space is narrow and small around transverse arm so that dismounting, installation and the adjustment work of transverse arm spend the time less, so as to be effectively improved the efficiency for changing column.
Description
Technical field
The present invention relates to ladle refining furnace technical field, more particularly to a kind of side for being used to change refining furnace electrode mast
Method.
Background technology
The electrode system of refining furnace includes the equipment such as transformer, short net, water-cooled cable, transverse arm, electrode mast, electrode mast
For making electrode oscilaltion, two classes are divided into structure：Vertical columns formula and active column formula.In active column formula structure
In, transverse arm and electrode mast connect into an inverted l-shaped structure, and electrode mast can be several to being lifted between directive wheel, electrode mast
Lifting generally use hydraulic transmission mode.
As shown in figure 1, ladle 1 is located at the lower section of dust excluding hood 5, dust excluding hood 5 lifts across on the dedusting track 4 of both sides
Cylinder 9 is in the lower section of building body 8, and the top of lift cylinders 9 is connected through building body 8 with column 7, and column 7 is connected to one with transverse arm 3
Rise, electrode 2 is arranged on transverse arm 3.
After production run for a period of time, the factor such as high temperature often results in column 7 and damaged, and in order to adapt to produce, needs blowing out to change
Column 7.Column 7 is removed between transverse arm 3 and lift cylinders 9 and changes more difficulty, at present, changes below the generally use of column 7
Step：
In the positioned beneath jack instrument of dust excluding hood 5, the water-cooled cable 6 on transverse arm 3 is then removed, dismantles transverse arm 3 and column 7
Coupling part；
Transverse arm 3 is hung on one side in the confined space below dust excluding hood 5 using jack, then dismantles column 7 and lifting
The coupling part of cylinder 9；
Column 7 is hung out, completes to remove；
Order is removed more than, then inverted order installs new column 7, and transverse arm 3 is adjusted, complete the replacing work of column 7
Make.
The drawbacks of above-mentioned replacing options, is that workload is larger, time-consuming longer, and workload is mainly reflected in the dismounting of transverse arm 3
And generally require 20 people mutual cooperation flower with the work such as jack integrated regulation, whole Renewal process after installation, and the installation of transverse arm 3
Take 20 hours and complete.Change the repair time it is longer manufacturing schedule can undoubtedly be had an impact, therefore, how to provide a kind of efficient
The method for changing column, to reduce the time that Renewal process is spent, becomes those skilled in the art's technology urgently to be resolved hurrily
Problem.
The content of the invention
In view of this, the invention provides a kind of method for changing refining furnace electrode mast, this method to improve
The efficiency of column is changed, reduces the time that Renewal process is spent.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of method for changing refining furnace electrode mast, including：
Step A, the dust excluding hood above transverse arm is removed, overlay area when making the dust excluding hood work is in open state；
Step B, the connection of the transverse arm and water-cooled cable and electrode is removed, removes and removes the directive wheel of the column,
Lift cylinders and the connection of footing foundation and fluid pressure line are removed, using the transverse arm, the column and the lift cylinders as overall
Together risen to hanging oneself, the bottom of the lift cylinders is higher by building body, transverse arm, the column and the lift cylinders described in handling are extremely
Spare part repair region；
Step C, the transverse arm and the lift cylinders and the connection of the column are removed, and new column is installed to described
In lift cylinders and the transverse arm；
Step D, using the transverse arm, the new column and the lift cylinders as overall together handling, according to step B's
Handling path is reversely transported back to operating position, installs the lift cylinders and the connection of the footing foundation and the fluid pressure line,
It is moved back to and the directive wheel is installed, the connection of the transverse arm and the water-cooled cable and the electrode is installed；
Step E, the dust excluding hood is moved back into operating position.
Preferably, in the above-mentioned methods, also include before the step A：
Electrode is enhanced from ladle, drives away and is loaded with the buggy ladle of the ladle, the ladle is left the electricity
The underface region of pole.
Preferably, in the above-mentioned methods, the step A is specially：
Dust excluding hood above transverse arm is walked by traveling crane, overlay area when making the dust excluding hood work is in open state.
Preferably, in the above-mentioned methods, in the step B and/or the step D, handling is implemented using driving.
It can be seen from above-mentioned technical proposal, in the method provided by the present invention for changing refining furnace electrode mast, first
The dust excluding hood above transverse arm is removed, increases working space, is then together hung using transverse arm, column and lift cylinders as overall
Fortune, handling is waited old column to be changed with new column, finally transverse arm, new column and lifting to behind spare part repair region
Cylinder, which integrally returns, is attached to home position (i.e. operating position), and dust excluding hood is moved back to.As can be seen here, whole Renewal process overcomes horizontal stroke
The drawbacks of working space is narrow and small around arm, compared with the method that tradition changes column, method provided by the invention causes transverse arm
Removing, install and adjust work spends the time less, so as to be effectively improved the efficiency for changing column.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the arrangement schematic diagram of refining furnace electrode system.
In figure mark for：
1st, ladle；2nd, electrode；3rd, transverse arm；4th, dedusting track；5th, dust excluding hood；6th, water-cooled cable；7th, column；8th, building body；
9th, lift cylinders.
Embodiment
In order to make it easy to understand, the invention will be further described below in conjunction with the accompanying drawings.
It is provided in an embodiment of the present invention a kind of for changing essence for the arrangement schematic diagram of refining furnace electrode system referring to Fig. 1
The method of furnace electrode mast comprises the following steps：
S1, the dust excluding hood 5 of the top of transverse arm 3 is removed, overlay area when making the work of dust excluding hood 5 is in open state.
In working condition, dust excluding hood 5 is covered in the top of transverse arm 3, and the space that lifting effect is implemented in the lower section of dust excluding hood 5 is ten
It is point limited, therefore, dust excluding hood 5 is removed first, lifting space can be made to become big, moreover, without the covering of dust excluding hood 5, just
Transverse arm 3 can be lifted by crane upwards together with column 7 and lift cylinders 9.
S2, removes the connection of transverse arm 3 and water-cooled cable 6 and electrode 2, and the directive wheel removed and remove column 7 (is not marked in figure
Note), the connection of lift cylinders 9 and footing foundation (not shown) and fluid pressure line (not shown) is removed, by transverse arm 3, is stood
Post 7 and lift cylinders 9 together rise as overall to hanging oneself, and the bottom of lift cylinders 9 is higher by building body 8, handling transverse arm 3, the and of column 7
Lift cylinders 9 are to spare part repair region.
, it is necessary to first remove the connection between peripheral parts before lifting, including：Dismantled from transverse arm 3 He of water-cooled cable 6
Electrode 2, then keep water-cooled cable 6 well, hang away electrode 2；Directive wheel around column 7 is removed and removed, above building body 8
Space cleared up；Dismantle the fluid pressure line being connected in lift cylinders 9, and the connection of lift cylinders 9 and footing foundation is (general
Pivot pin is connected for oscillating bearing) remove.
After removing the connection with peripheral parts, Integral lifting can be implemented, sling upwards first, as shown in figure 1, will lifting
Cylinder 9 is retracted to the top of building body 8, then can be transverse arm 3, column 7 and lift cylinders 9 together handling to spare part repair region
.
S3, transverse arm 3 and lift cylinders 9 and the connection of column 7 are removed, and new column 7 is installed to lift cylinders 9 and transverse arm 3
On.
In spare part repair region, old column 7 is removed from lift cylinders 9 and transverse arm 3, then changes new column 7,
As can be seen that the disassembly and installation between transverse arm 3 and column 7 is completed in spare part repair region, due to spare part repair area
Domain working space is spacious, so disassembly and installation transverse arm 3 is more convenient, taking less time to complete.
S4 is anti-according to step S2 handling path using transverse arm 3, new column 7 and lift cylinders 9 as overall together handling
To transporting back to operating position, installation lift cylinders 9 and the connection of footing foundation and fluid pressure line, it is moved back to and directive wheel is installed, install
The connection of transverse arm 3 and water-cooled cable 6 and electrode 2.
After new column 7 is installed in lift cylinders 9 and transverse arm 3, it is possible to according to the inverse of the operation order in step S2
Each parts are installed to original initial position (i.e. operating position) by sequence.To when returning installation, due to transverse arm 3, new column 7 and rise
Drop cylinder 9 is as integral installation and adjustment, so component locations are easier to be adjusted in place, is spent in so as to be advantageous to saving
Time in position adjustment.
S5, dust excluding hood 5 is moved back into operating position.
The dust excluding hood 5 for most starting to remove is moved back to original initial position (i.e. operating position), the Renewal process of column can be complete
Into.
, can be before step S1 in order to go out bigger working space in land clearing first in specific practical application
Implement the following：
Electrode 2 is enhanced from ladle 1, drives away and is loaded with the buggy ladle of ladle 1, make ladle 1 leave electrode 2 just under
Square region.
During the entire process of column is changed, all links for being related to lifting job can be implemented to hang using driving
Fortune, for example, in step sl, the dust excluding hood 5 of the top of transverse arm 3 can be walked by traveling crane, make the area of coverage during work of dust excluding hood 5
Domain is in open state.In step S2 and/or step S4, driving can also be used to implement handling.
In method provided by the present invention for changing refining furnace electrode mast, the dust excluding hood of the top of transverse arm 3 is removed first
5, increase working space, then together carry out handling using transverse arm 3, column 7 and lift cylinders 9 as overall, wait handling to be repaiied to spare part
Behind region, old column 7 is changed with new column 7, finally transverse arm 3, new column 7 and overall return of lift cylinders 9 are attached to
Home position (i.e. operating position), and dust excluding hood 5 is moved back to.As can be seen here, whole Renewal process overcomes the surrounding operation of transverse arm 3
The drawbacks of narrow space, compared with the method that tradition changes column, method provided by the invention causes the dismounting of transverse arm 3, installation
And adjustment work spends the time less, so as to be effectively improved the efficiency for changing column.Practice have shown that side provided by the invention
Method is simple to operate, easy to control, it is only necessary to which 14 people spend 16 hours can complete more changing jobs for column.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to embodiment will be apparent for those skilled in the art, as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
Embodiment illustrated herein can be restricted to, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (4)
- A kind of 1. method for changing refining furnace electrode mast, it is characterised in that including：Step A, the dust excluding hood (5) above transverse arm (3) is removed, overlay area when making the dust excluding hood (5) work is in open-like shape State；Step B, the connection of the transverse arm (3) and water-cooled cable (6) and electrode (2) is removed, removes and removes the column (7) Directive wheel, lift cylinders (9) and the connection of footing foundation and fluid pressure line are removed, by the transverse arm (3), the column (7) and institute State lift cylinders (9) together to rise to hanging oneself as overall, the bottom of the lift cylinders (9) is higher by building body (8), horizontal stroke described in handling Arm (3), the column (7) and the lift cylinders (9) are to spare part repair region；Step C, the transverse arm (3) and the lift cylinders (9) and the connection of the column (7) are removed, and new column (7) is pacified It is attached in the lift cylinders (9) and the transverse arm (3)；Step D, using the transverse arm (3), the new column (7) and the lift cylinders (9) as overall together handling, according to step Rapid B handling path is reversely transported back to operating position, installs the lift cylinders (9) and the footing foundation and the fluid pressure line Connection, be moved back to and the directive wheel be installed, the company of the transverse arm (3) and the water-cooled cable (6) and the electrode (2) is installed Connect；Step E, the dust excluding hood (5) is moved back into operating position.
- 2. according to the method for claim 1, it is characterised in that also include before the step A：Electrode (2) is enhanced from ladle (1), drives away and is loaded with the buggy ladle of the ladle (1), make the ladle (1) from Open the underface region of the electrode (2).
- 3. according to the method for claim 2, it is characterised in that the step A is specially：Dust excluding hood (5) above transverse arm (3) is walked by traveling crane, makes the overlay area during dust excluding hood (5) work in opening State.
- 4. according to the method for claim 3, it is characterised in that in the step B and/or the step D, using driving Implement handling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637443.5A CN107419057A (en) | 2017-07-31 | 2017-07-31 | A kind of method for changing refining furnace electrode mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637443.5A CN107419057A (en) | 2017-07-31 | 2017-07-31 | A kind of method for changing refining furnace electrode mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107419057A true CN107419057A (en) | 2017-12-01 |
Family
ID=60431632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637443.5A Pending CN107419057A (en) | 2017-07-31 | 2017-07-31 | A kind of method for changing refining furnace electrode mast |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567273A (en) * | 2019-10-15 | 2019-12-13 | 莱芜钢铁集团有限公司 | method for replacing water-cooling close-packed plate of 130-ton refining furnace |
Citations (4)
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| CN201969720U (en) * | 2011-04-08 | 2011-09-14 | 凯天环保科技股份有限公司 | Smoke gathering device for ladle refining furnace |
| CN203238295U (en) * | 2013-05-03 | 2013-10-16 | 武汉钢铁(集团)公司 | Electrode regulating device of ladle refining furnace |
| CN106271586A (en) * | 2016-08-30 | 2017-01-04 | 中国冶集团有限公司 | The installation adjusting method of double refining furnace electric-pole horizontal arm collection heart circle |
| CN106340827A (en) * | 2016-08-30 | 2017-01-18 | 中国冶集团有限公司 | Installation method of water cooling cable of finery |
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2017
- 2017-07-31 CN CN201710637443.5A patent/CN107419057A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201969720U (en) * | 2011-04-08 | 2011-09-14 | 凯天环保科技股份有限公司 | Smoke gathering device for ladle refining furnace |
| CN203238295U (en) * | 2013-05-03 | 2013-10-16 | 武汉钢铁(集团)公司 | Electrode regulating device of ladle refining furnace |
| CN106271586A (en) * | 2016-08-30 | 2017-01-04 | 中国冶集团有限公司 | The installation adjusting method of double refining furnace electric-pole horizontal arm collection heart circle |
| CN106340827A (en) * | 2016-08-30 | 2017-01-18 | 中国冶集团有限公司 | Installation method of water cooling cable of finery |
Non-Patent Citations (2)
| Title |
|---|
| 中国机械工程学会设备与维修工程分会: "《设备管理、监测诊断及维修改造：第七届全国设备管理、第八届全国设备维修与改造学术会议论文集》", 30 November 2013 * |
| 方震宇: "福建三钢90tLF炉的建设", 《连铸》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567273A (en) * | 2019-10-15 | 2019-12-13 | 莱芜钢铁集团有限公司 | method for replacing water-cooling close-packed plate of 130-ton refining furnace |
| CN110567273B (en) * | 2019-10-15 | 2021-06-01 | 莱芜钢铁集团有限公司 | Method for replacing water-cooling close-packed plate of 130-ton refining furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |