CN109081241A - The method for dismounting of continuous galvanizing line furnace nose - Google Patents
The method for dismounting of continuous galvanizing line furnace nose Download PDFInfo
- Publication number
- CN109081241A CN109081241A CN201810894933.8A CN201810894933A CN109081241A CN 109081241 A CN109081241 A CN 109081241A CN 201810894933 A CN201810894933 A CN 201810894933A CN 109081241 A CN109081241 A CN 109081241A
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- CN
- China
- Prior art keywords
- furnace nose
- falsework
- furnace
- nose
- dismounting
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a kind of method for dismounting of continuous galvanizing line furnace nose, this method continuous galvanizing line is shut down, and zinc pot is removed, and stops sending and closing all kinds of media into furnace nose, all kinds of medium pipelines are removed and marked, and furnace nose is located at stop position；Production falsework simultaneously assembles under furnace nose, and the steel construction and column of falsework connection suspension furnace nose are withstood below swing mechanism respectively on gooseneck and on furnace nose pull rod crossbeam；Driving and steel beam hanging furnace nose cross bearer are cut and disassembled cross bearer and are hung to storage area；It removes type metal expansion joint and fixes its stroke；Using lifting wirerope binding furnace nose and steel construction, the connection of steel construction and basis is cut off, driving connection lifting wirerope integrally hangs out furnace nose, steel construction and falsework to storage area, completes the dismounting of furnace nose.This method improves construction efficiency, reduces workload, avoids security risk, it is ensured that intact, the precision of raising furnace nose secondary installing of furnace nose component.
Description
Technical field
The present invention relates to a kind of method for dismounting of continuous galvanizing line furnace nose.
Background technique
Hot galvanizing is the steel surface processing method most widely used at present, the ratio of performance to price is optimal, hot dip zinc product pair
The corrosion inhibitor of steel plate is lengthened the life, energy-saving material-saving plays inestimable and irreplaceable role, while electroplated steel products are also that country fosters
With the high added value undersupplied product first developed.Steel plant's Automobile Plate strip hot-dip galvanizing unit is the capital equipment of steel plant, is
Guarantee the quality of hot dip zinc product, the key equipment zinc pot furnace nose in continuous galvanizing line is frequently necessary to be transformed and replace, such as exists
Cleaning inside device is configured in furnace nose, for zinc gray occurrence quantity in galvanizing process to be greatly reduced, is improved product quality, is promoted
Zinc-plated speed.
But the replacement job very difficult of furnace nose, first this intermediate item are online transformation, and most of workload must be
It is carried out under shutdown status.It is removed including used equipment dismounting, the mounting and adjusting of new equipment, old pipeline, the installation of new pipeline, electric instrument profession
Cable laying and equipment installation, also need to carry out single examination and joint-trial, task amount weight, therefore the construction period seems extremely nervous.
Secondly furnace nose Demolition Construction risk is larger, since furnace nose is suspended on steel construction, Demolition Construction operation
Major part is in high-altitude Lin Bianchu, therefore there are a large amount of high-altitudes to face side operation, in addition, being zinc pot region below construction location, also very
It is dangerous.
Furthermore precision of equipment installation requires height, and adjustment difficulty is big, master of the furnace nose as continuous galvanizing line core process section
Equipment is wanted, it is higher to installation site required precision；Furnace nose is by type metal expansion joint, the furnace nose including swing mechanism and telescoping mechanism
By flanged joint, furnace nose ontology passes through swing mechanism for the composition such as sub- ontology and lip, type metal expansion joint and zinc pot furnace body
It is located on steel construction with the bearing block of telescoping mechanism.It is whole for furnace nose such as to be splitted into loose mail when removing, it will break
Bad its whole connection precision and performance, may damage its component, and remove heavy workload, Demolition Construction low efficiency, and influence
Later installation accuracy.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of method for dismounting of continuous galvanizing line furnace nose, this method has
Effect improves the construction efficiency that furnace nose is removed, and reduces and removes workload, avoids the security risk for removing operation, it is ensured that furnace nose portion
Intact, the precision of raising furnace nose secondary installing of part.
In order to solve the above technical problems, the method for dismounting of continuous galvanizing line furnace nose of the present invention includes the following steps:
Step 1: continuous galvanizing line is shut down, zinc pot is removed, and stops sending and closing all kinds of media into furnace nose, all kinds of medium pipelines
It removes and marks, furnace nose is located at stop position；
Step 2: production falsework, falsework include rectangular base, be vertical at the four columns of rectangular base quadrangle with
And the crossbeam between adjacent columns, falsework are installed on furnace underthe nose and assemble under furnace nose, furnace nose passes through
Steel construction suspension, the two root posts of rectangular base side are withstood on the steel structure beam below swing mechanism, and rectangular base is another
The two root posts of side are withstood on the steel structure beam of furnace nose pull rod, and furnace nose ontology is located in falsework；
Step 3: cross bearer is cut and disassembled and is hung to storage area and uprightly stores using driving and steel beam hanging furnace nose cross bearer；
Step 4: the flange bolt of type metal expansion joint and zinc pot furnace body is removed, using the fixed expansion of metal of pull rod before removing
The stroke of section；
Step 5: cutting off the connection of steel construction and basis using lifting wirerope binding furnace nose and steel construction, while removing steel
Cucurbit, pedestrian passage platform and zincification electric block are overhauled in structure, driving connection lifts wirerope for furnace nose, steel knot
Structure and falsework, which are integrally hung out to storage area, uprightly to be stored, and the dismounting of furnace nose is completed.
Further, the falsework further includes cross strut, and the cross strut is set to the rectangular base length side
To adjacent columns between.
Further, each component of the falsework uses electric welding connection.
Since the method for dismounting of continuous galvanizing line furnace nose of the present invention uses above-mentioned technical proposal, i.e. this method hot galvanizing first
Compressor emergency shutdown, zinc pot remove, stop sending and closing all kinds of media into furnace nose, all kinds of medium pipelines are removed and marked, furnace nose
Son is located at stop position；Production falsework simultaneously assembles under furnace nose, and the steel construction of falsework connection suspension furnace nose is simultaneously
And column withstood on the gooseneck below swing mechanism respectively and furnace nose pull rod crossbeam on；Using driving and steel beam hanging furnace
Nose cross bearer is cut and disassembled cross bearer and is hung to storage area and uprightly stores；It removes type metal expansion joint and fixes its stroke；It adopts
With lifting wirerope binding furnace nose and steel construction, the connection of steel construction and basis is cut off, while removing auxiliary on steel construction, row
Vehicle connection lifting wirerope, which integrally hangs out furnace nose, steel construction and falsework to storage area, uprightly to be stored, and furnace nose is completed
The dismounting of son.This method effectively improves the construction efficiency of furnace nose dismounting, reduces and removes workload, avoids the safety for removing operation
Hidden danger, it is ensured that intact, the precision of raising furnace nose secondary installing of furnace nose component.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is the method for dismounting schematic diagram of continuous galvanizing line furnace nose of the present invention；
Fig. 2 is falsework schematic diagram in this method.
Specific embodiment
Embodiment is as depicted in figs. 1 and 2, and the method for dismounting of continuous galvanizing line furnace nose of the present invention includes the following steps:
Step 1: continuous galvanizing line is shut down, zinc pot 2 is removed, and stops sending and closing all kinds of media into furnace nose 3, all kinds of medium tubes
Road removes and marks, and furnace nose 3 is located at stop position；
Step 2: production falsework 1, falsework 1 includes rectangular base 11, is vertical at four of 11 4 jiaos of rectangular base
Column 12 and the crossbeam 13 between adjacent columns 12, falsework 1 are installed on 3 lower section of furnace nose and under furnace noses 3
Assembling, furnace nose 3 are hung by steel construction 4, and it is horizontal that the two root posts of rectangular base side withstand on the steel construction 4 below swing mechanism
Liang Shang, the two root posts of the rectangular base other side are withstood on 4 crossbeam of steel construction of 3 pull rod of furnace nose, and 3 ontology of furnace nose is located at and faces
When bracket 1 in；
Step 3: cross bearer 5 is cut and disassembled and is hung to storage area and uprightly deposits using driving and steel beam hanging furnace nose cross bearer 5
It puts；
Step 4: the flange bolt of type metal expansion joint 6 and 2 furnace body of zinc pot is removed, it is swollen using the fixed metal of pull rod before removing
The stroke of swollen section 6；
Step 5: cutting off the connection of steel construction 4 and basis using lifting wirerope binding furnace nose 3 and steel construction 4, tearing open simultaneously
Except cucurbit, pedestrian passage platform and zincification electric block is overhauled on steel construction 4, driving connection lifts wirerope for furnace nose
3, steel construction 4 and whole hang out to storage area of falsework 1 are uprightly stored, and complete the dismounting of furnace nose 3.
Preferably, the falsework 1 further includes cross strut 14, and the cross strut 14 is set to the rectangular base 11
Between the adjacent columns 12 of length direction.Cross strut is used to further increase the rigidity of falsework, it is ensured that its bearing capacity.
Preferably, each component of the falsework 1 uses electric welding connection.
In order to guarantee the secondary installing precision of furnace nose, the damage of furnace nose component in disassembly process is avoided, this method is adopted
With furnace nose overall pulling down mode, so that the injury to furnace nose is minimum, construction period is most short, and falsework is mounted on shutdown
It is carried out when furnace nose reaches stop position afterwards, does not influence other equipment and remove work, can carry out simultaneously；By falsework by furnace
Nose is integrally fixed, and is easy to lift, to realize the overall pulling down of furnace nose.
Claims (3)
1. a kind of method for dismounting of continuous galvanizing line furnace nose, it is characterised in that this method includes the following steps:
Step 1: continuous galvanizing line is shut down, zinc pot is removed, and stops sending and closing all kinds of media into furnace nose, all kinds of medium pipelines
It removes and marks, furnace nose is located at stop position；
Step 2: production falsework, falsework include rectangular base, be vertical at the four columns of rectangular base quadrangle with
And the crossbeam between adjacent columns, falsework are installed on furnace underthe nose and assemble under furnace nose, furnace nose passes through
Steel construction suspension, the two root posts of rectangular base side are withstood on the steel structure beam below swing mechanism, and rectangular base is another
The two root posts of side are withstood on the steel structure beam of furnace nose pull rod, and furnace nose ontology is located in falsework；
Step 3: cross bearer is cut and disassembled and is hung to storage area and uprightly stores using driving and steel beam hanging furnace nose cross bearer；
Step 4: the flange bolt of type metal expansion joint and zinc pot furnace body is removed, using the fixed expansion of metal of pull rod before removing
The stroke of section；
Step 5: cutting off the connection of steel construction and basis using lifting wirerope binding furnace nose and steel construction, while removing steel
Cucurbit, pedestrian passage platform and zincification electric block are overhauled in structure, driving connection lifts wirerope for furnace nose, steel knot
Structure and falsework, which are integrally hung out to storage area, uprightly to be stored, and the dismounting of furnace nose is completed.
2. the method for dismounting of continuous galvanizing line furnace nose according to claim 1, it is characterised in that: the falsework is also
Including cross strut, the cross strut is set between the adjacent columns of the rectangular base length direction.
3. the method for dismounting of continuous galvanizing line furnace nose according to claim 1 or 2, it is characterised in that: the interim branch
Each component of frame uses electric welding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894933.8A CN109081241B (en) | 2018-08-08 | 2018-08-08 | Method for removing furnace nose of hot galvanizing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894933.8A CN109081241B (en) | 2018-08-08 | 2018-08-08 | Method for removing furnace nose of hot galvanizing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109081241A true CN109081241A (en) | 2018-12-25 |
| CN109081241B CN109081241B (en) | 2020-04-28 |
Family
ID=64833829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894933.8A Active CN109081241B (en) | 2018-08-08 | 2018-08-08 | Method for removing furnace nose of hot galvanizing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109081241B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680773A (en) * | 2020-12-17 | 2021-04-20 | 中国二十冶集团有限公司 | Dismounting, updating and reforming method for electroplating bath of electrotinning unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3823981A1 (en) * | 1987-09-10 | 1989-03-23 | Rolf Mintert | Galvanising unit for small components |
| KR20040031308A (en) * | 2002-10-04 | 2004-04-13 | 주식회사 포스코 | Dross removal apparatus of snout inside for zinc galva-nizing pot |
| CN102127727A (en) * | 2011-04-22 | 2011-07-20 | 上海东新冶金技术工程有限公司 | Grate for hot galvanizing |
| CN203307408U (en) * | 2013-06-08 | 2013-11-27 | 首钢总公司 | Lifting appliance for cleaning zinc ash inside zinc boiler nose |
| CN204401088U (en) * | 2015-01-16 | 2015-06-17 | 中国十九冶集团有限公司 | Quick mounting and dismounting platform for underground zinc boiler nose |
| CN205258554U (en) * | 2015-12-28 | 2016-05-25 | 中国钢研科技集团有限公司 | Stove nose chute with wear belting |
| CN108342673A (en) * | 2017-01-22 | 2018-07-31 | 宝钢新日铁汽车板有限公司 | A kind of online position regulator of zinc pot stove nose |
-
2018
- 2018-08-08 CN CN201810894933.8A patent/CN109081241B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3823981A1 (en) * | 1987-09-10 | 1989-03-23 | Rolf Mintert | Galvanising unit for small components |
| KR20040031308A (en) * | 2002-10-04 | 2004-04-13 | 주식회사 포스코 | Dross removal apparatus of snout inside for zinc galva-nizing pot |
| CN102127727A (en) * | 2011-04-22 | 2011-07-20 | 上海东新冶金技术工程有限公司 | Grate for hot galvanizing |
| CN203307408U (en) * | 2013-06-08 | 2013-11-27 | 首钢总公司 | Lifting appliance for cleaning zinc ash inside zinc boiler nose |
| CN204401088U (en) * | 2015-01-16 | 2015-06-17 | 中国十九冶集团有限公司 | Quick mounting and dismounting platform for underground zinc boiler nose |
| CN205258554U (en) * | 2015-12-28 | 2016-05-25 | 中国钢研科技集团有限公司 | Stove nose chute with wear belting |
| CN108342673A (en) * | 2017-01-22 | 2018-07-31 | 宝钢新日铁汽车板有限公司 | A kind of online position regulator of zinc pot stove nose |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680773A (en) * | 2020-12-17 | 2021-04-20 | 中国二十冶集团有限公司 | Dismounting, updating and reforming method for electroplating bath of electrotinning unit |
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| Publication number | Publication date |
|---|---|
| CN109081241B (en) | 2020-04-28 |
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