CN110093944A - The online upgrading rebuilding construction method of heavy plate mill - Google Patents
The online upgrading rebuilding construction method of heavy plate mill Download PDFInfo
- Publication number
- CN110093944A CN110093944A CN201910360378.5A CN201910360378A CN110093944A CN 110093944 A CN110093944 A CN 110093944A CN 201910360378 A CN201910360378 A CN 201910360378A CN 110093944 A CN110093944 A CN 110093944A
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- China
- Prior art keywords
- steel
- construction
- platform
- production
- installation
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
Abstract
The present invention relates to milling train maintenance field, the online upgrading rebuilding construction methods of specifically a kind of heavy plate mill；It is characterized in that: including step 1, preparation of construction；Step 2, steel platform production and foundation construction；Step 3, production periodical repair are shut down；Step 4, cold bed region used equipment and basis are removed；Step 5, steel platform installation；Step 6, the installation of interim roller-way；Step 8 is resumed production；Step 9, milling train pattern foundation pit supporting structure；Step 10, rolling mill for foundation engineering construction；Step 11, the installation of new milling equipment；It step 12, test running and puts into operation: after cold bed region used equipment and basis are removed, old workshop can be started and removed.This construction method is provided with interim roller-way and steel platform by milling train, removes used equipment and replacement roller-way using production repairing period, genuine room produces uninterrupted when realizing modifying rolling mill；Entire transformation process is divided into three parts construction, each section strict logic again can with parallel construction, work progress securely and reliably, economical and efficient.
Description
Technical field
The present invention relates to milling train maintenance field, the online upgrading rebuilding construction methods of specifically a kind of heavy plate mill.
Background technique
As energy consumption and the requirement of environmental protection are increasingly strict, adjust structure, cost declining, superseded backward, promotion quality, exploitation high-end
Product is becoming the target of domestic iron and steel enterprises pursuit.According to incompletely statistics, only in hot-strip field, the country go into operation with
The hot strip rolling mill built nearly 90, production capacity is more than 300,000,000 tons, and excess capacity is more than 30%.In this 90 production lines, configuration life
Producing mid and low-end products is more than half, mostly there is that dimensional accuracy is not high, performance is unstable, thin gauge produces difficulty etc. and asks jointly
Topic.Competition in face of market, the technological transformation and upgrading of production line of rolling mill are a wise selections.Such as under existing roughing mill
A finishing mill is added in trip, the quality of product can be improved, and make full use of existing apparatus, investment reduction.In general, production line of rolling mill
Project of upgrading and rebuilding short time limit, construction space it is limited, mostly use shutdown to be transformed.But transformation is shut down 8-15 months, to production list
Position is extremely disadvantageous.Rolling mill for foundation engineering foundation depth is more than 9m, such as using online transformation, how to guarantee new milling equipment base simultaneously
Plinth construction is run with existing production line, is maximum technical problem in work progress.
Summary of the invention
The purpose of the present invention is to provide a kind of online upgrading rebuilding construction methods of heavy plate mill.
In order to achieve the above object, the present invention is implemented as follows:
A kind of online upgrading rebuilding construction method of heavy plate mill, including
Step 1, preparation of construction are replaced including reforming equipment and capable of being situated between for pipeline every discrete system；
Step 2, steel platform production and foundation construction；Steel platform includes column, two layers of platform and support system composition, -5.20m flat
Platform includes middle girder and intermediate secondary beam, and ± 0.00m platform includes two elongated top layer girders and several support joist groups
At, support joist between be connected with supporting welding between beam；Column is formed by section steel manufacture, the intermediate master of -5.20m platform
Beam, intermediate secondary beam are formed by section steel manufacture, ± 0.00m top layer girder by section steel manufacture form, support joist by fashioned iron system
It forms, support is by [10 channel steels are made, and column braces are formed by two angle steel chain intermittent welds between beam；Steel structure platform base
Plinth uses shallow isolated footing, guarantees into rock stratum 2-3m；
Step 3, production periodical repair are shut down；
Step 4, cold bed region used equipment and basis are removed, and used equipment is removed using destructive, and basis is cut using pick machine；
Step 5, steel platform installation, steel platform can be installed in two times: production periodical repair installs steel platform column, cold bed region after shutting down
After the completion of used equipment and basis are removed, then two layers of platform and support system are installed；
Step 6, the installation of interim roller-way；The interim roller-way of multiple groups is set, and interim roller-way and driving motor are each attached in steel platform；
Step 8 is resumed production, and the installation of isolation canopy above roller-way must be completed before resuming production, and isolation canopy is taken using color steel tile
If；
Step 9, milling train pattern foundation pit supporting structure, foundation pit use miniature steel pipe pile reinforced supporting, and part basis uses coagulation with foundation pit height difference
Soil spray Anchor Care slope；
Step 10, rolling mill for foundation engineering construction, rolling mill for foundation engineering are located at steel platform periphery, and when construction needs to pay attention to steel platform
Protection；
Step 11, the installation of new milling equipment, after the completion of rolling mill for foundation engineering construction, dismountable interim roller-way and steel platform, new factory
After the completion of room Steel Structure Installation, new milling equipment installation can be started；
It step 12, test running and puts into operation: after cold bed region used equipment and basis are removed, old workshop can be started and removed.Old workshop is
Precast concrete, prefabricated post, fine strain of millet structure are removed using hydraulic shear cooperation truck crane；When prefabricated room panel is removed, first room
Former design lifting lug is dug out on panel, if seriously corroded is not available lifting lug, bores Φ 100mm hole for hoist as suspension centre in lifting lug；
Before old workshop is removed, must in old workshop colonnade pipeline carry out temporary support protection.
This construction method by milling train be provided with interim roller-way and steel platform, using production repairing period remove used equipment and
Roller-way is replaced, genuine room produces uninterrupted when realizing modifying rolling mill；Entire transformation process is divided into three parts construction, respectively
Part strict logic again can be with parallel construction, and work progress is safe and reliable, economical and efficient.
Detailed description of the invention
The process flow chart of the online upgrading rebuilding construction of Fig. 1 heavy plate mill.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment.
As shown in Figure 1, a kind of online upgrading rebuilding construction method of heavy plate mill, including
Step 1, preparation of construction are replaced including reforming equipment and capable of being situated between for pipeline every discrete system；
Step 2, steel platform production and foundation construction；Steel platform includes column, two layers of platform and support system composition, -5.20m flat
Platform includes middle girder and intermediate secondary beam, and ± 0.00m platform includes two elongated top layer girders and several support joist groups
At, support joist between be connected with supporting welding between beam；Column is formed by section steel manufacture, the intermediate master of -5.20m platform
Beam, intermediate secondary beam are formed by section steel manufacture, ± 0.00m top layer girder by section steel manufacture form, support joist by fashioned iron system
It forms, support is by [10 channel steels are made, and column braces are formed by two angle steel chain intermittent welds between beam；Steel structure platform base
Plinth uses shallow isolated footing, guarantees into rock stratum 2-3m；
Step 3, production periodical repair are shut down；
Step 4, cold bed region used equipment and basis are removed, and used equipment is removed using destructive, and basis is cut using pick machine；
Step 5, steel platform installation, steel platform can be installed in two times: production periodical repair installs steel platform column, cold bed region after shutting down
After the completion of used equipment and basis are removed, then two layers of platform and support system are installed；
Step 6, the installation of interim roller-way；The interim roller-way of multiple groups is set, and interim roller-way and driving motor are each attached in steel platform；
Step 8 is resumed production, and the installation of isolation canopy above roller-way must be completed before resuming production, and isolation canopy is taken using color steel tile
If；
Step 9, milling train pattern foundation pit supporting structure, foundation pit use miniature steel pipe pile reinforced supporting, and part basis uses coagulation with foundation pit height difference
Soil spray Anchor Care slope；
Step 10, rolling mill for foundation engineering construction, rolling mill for foundation engineering are located at steel platform periphery, and when construction needs to pay attention to steel platform
Protection；
Step 11, the installation of new milling equipment, after the completion of rolling mill for foundation engineering construction, dismountable interim roller-way and steel platform, new factory
After the completion of room Steel Structure Installation, new milling equipment installation can be started；
It step 12, test running and puts into operation: after cold bed region used equipment and basis are removed, old workshop can be started and removed.Old workshop is
Precast concrete, prefabricated post, fine strain of millet structure are removed using hydraulic shear cooperation truck crane；When prefabricated room panel is removed, first room
Former design lifting lug is dug out on panel, if seriously corroded is not available lifting lug, bores Φ 100mm hole for hoist as suspension centre in lifting lug；
Before old workshop is removed, must in old workshop colonnade pipeline carry out temporary support protection.
This construction method by milling train be provided with interim roller-way and steel platform, using production repairing period remove used equipment and
Roller-way is replaced, genuine room produces uninterrupted when realizing modifying rolling mill；Entire transformation process is divided into three parts construction, respectively
Part strict logic again can be with parallel construction, and work progress is safe and reliable, economical and efficient.
Claims (1)
1. a kind of online upgrading rebuilding construction method of heavy plate mill, it is characterized in that: including
Step 1, preparation of construction are replaced including reforming equipment and capable of being situated between for pipeline every discrete system；
Step 2, steel platform production and foundation construction；Steel platform includes column, two layers of platform and support system composition, -5.20m flat
Platform includes middle girder and intermediate secondary beam, and ± 0.00m platform includes two elongated top layer girders and several support joist groups
At, support joist between be connected with supporting welding between beam；Column is formed by section steel manufacture, the intermediate master of -5.20m platform
Beam, intermediate secondary beam are formed by section steel manufacture, ± 0.00m top layer girder by section steel manufacture form, support joist by fashioned iron system
It forms, support is by [10 channel steels are made, and column braces are formed by two angle steel chain intermittent welds between beam；Steel structure platform base
Plinth uses shallow isolated footing, guarantees into rock stratum 2-3m；
Step 3, production periodical repair are shut down；
Step 4, cold bed region used equipment and basis are removed, and used equipment is removed using destructive, and basis is cut using pick machine；
Step 5, steel platform installation, steel platform can be installed in two times: production periodical repair installs steel platform column, cold bed region after shutting down
After the completion of used equipment and basis are removed, then two layers of platform and support system are installed；
Step 6, the installation of interim roller-way；The interim roller-way of multiple groups is set, and interim roller-way and driving motor are each attached in steel platform；
Step 8 is resumed production, and the installation of isolation canopy above roller-way must be completed before resuming production, and isolation canopy is taken using color steel tile
If；
Step 9, milling train pattern foundation pit supporting structure, foundation pit use miniature steel pipe pile reinforced supporting, and part basis uses coagulation with foundation pit height difference
Soil spray Anchor Care slope；
Step 10, rolling mill for foundation engineering construction, rolling mill for foundation engineering are located at steel platform periphery, and when construction needs to pay attention to steel platform
Protection；
Step 11, the installation of new milling equipment, after the completion of rolling mill for foundation engineering construction, dismountable interim roller-way and steel platform, new factory
After the completion of room Steel Structure Installation, new milling equipment installation can be started；
It step 12, test running and puts into operation: after cold bed region used equipment and basis are removed, old workshop can be started and removed；Old workshop is
Precast concrete, prefabricated post, fine strain of millet structure are removed using hydraulic shear cooperation truck crane；When prefabricated room panel is removed, first room
Former design lifting lug is dug out on panel, if seriously corroded is not available lifting lug, bores Φ 100mm hole for hoist as suspension centre in lifting lug；
Before old workshop is removed, must in old workshop colonnade pipeline carry out temporary support protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360378.5A CN110093944B (en) | 2019-04-30 | 2019-04-30 | On-line upgrading and reforming construction method of heavy plate mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360378.5A CN110093944B (en) | 2019-04-30 | 2019-04-30 | On-line upgrading and reforming construction method of heavy plate mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110093944A true CN110093944A (en) | 2019-08-06 |
| CN110093944B CN110093944B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910360378.5A Active CN110093944B (en) | 2019-04-30 | 2019-04-30 | On-line upgrading and reforming construction method of heavy plate mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114282289A (en) * | 2021-11-30 | 2022-04-05 | 中国十七冶集团有限公司 | Manufacturing and mounting method for movable safe passage platform of construction elevator |
Citations (6)
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|---|---|---|---|---|
| JP2002087666A (en) * | 2000-09-12 | 2002-03-27 | Dainippon Printing Co Ltd | Web joining device |
| CN1900467A (en) * | 2006-07-20 | 2007-01-24 | 上海市第一建筑有限公司 | Horizontal force transfer method for underground building modification |
| CN101748758A (en) * | 2008-12-04 | 2010-06-23 | 中国二十冶建设有限公司 | Timbering method of foundation ditches for reforming on-line equipment foundations in factory buildings |
| CN102146492A (en) * | 2011-05-24 | 2011-08-10 | 天津二十冶建设有限公司 | Method for installing converter body equipment and tooling platform |
| CN103362152A (en) * | 2012-04-09 | 2013-10-23 | 中冶赛迪工程技术股份有限公司 | Method for transforming roller way foundation |
| CN103866784A (en) * | 2014-03-28 | 2014-06-18 | 上海绿地建设(集团)有限公司 | Adjustable tower crane steel platform foundation |
-
2019
- 2019-04-30 CN CN201910360378.5A patent/CN110093944B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002087666A (en) * | 2000-09-12 | 2002-03-27 | Dainippon Printing Co Ltd | Web joining device |
| CN1900467A (en) * | 2006-07-20 | 2007-01-24 | 上海市第一建筑有限公司 | Horizontal force transfer method for underground building modification |
| CN101748758A (en) * | 2008-12-04 | 2010-06-23 | 中国二十冶建设有限公司 | Timbering method of foundation ditches for reforming on-line equipment foundations in factory buildings |
| CN102146492A (en) * | 2011-05-24 | 2011-08-10 | 天津二十冶建设有限公司 | Method for installing converter body equipment and tooling platform |
| CN103362152A (en) * | 2012-04-09 | 2013-10-23 | 中冶赛迪工程技术股份有限公司 | Method for transforming roller way foundation |
| CN103866784A (en) * | 2014-03-28 | 2014-06-18 | 上海绿地建设(集团)有限公司 | Adjustable tower crane steel platform foundation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114282289A (en) * | 2021-11-30 | 2022-04-05 | 中国十七冶集团有限公司 | Manufacturing and mounting method for movable safe passage platform of construction elevator |
| CN114282289B (en) * | 2021-11-30 | 2023-03-10 | 中国十七冶集团有限公司 | Manufacturing and mounting method for movable safe passage platform of construction elevator |
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| Publication number | Publication date |
|---|---|
| CN110093944B (en) | 2021-03-26 |
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