CN102553909A - Production process for section - Google Patents
Production process for section Download PDFInfo
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- CN102553909A CN102553909A CN2010106128481A CN201010612848A CN102553909A CN 102553909 A CN102553909 A CN 102553909A CN 2010106128481 A CN2010106128481 A CN 2010106128481A CN 201010612848 A CN201010612848 A CN 201010612848A CN 102553909 A CN102553909 A CN 102553909A
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- milling
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- milling train
- rolling mill
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Abstract
The invention discloses a production process for medium and small-sized sections. The production process is characterized in that: two production lines of two groups of medium and small-sized rolling mills are combined into a production line; a blank is treated by an intermediate frequency induction heating furnace, a phi 580 rolling mill, a phi 580 rolling mill/ a phi 350 rolling mill and a phi 350 rolling mill, is then sized, sawed, collected and cooled and then treated by a straightening steel rolling mill; the two groups of medium and small-sized rolling mills are in the form that three rolling mills are transversely arranged, wherein the rolling mills at the 1# rolling mill position and the 3# rolling mill position are fixed mounting positions, the phi 580 rolling mill at the 1# rolling mill position and the phi 350 rolling mill at the 3# rolling mill position are shared; the 2# rolling mill position is a common position of the phi 580 rolling mill and the phi 350 rolling mill; according to categories of produced profile steel, different rolling mill arrangement modes are adopted, so that the capital investment, the production site and human resources are saved and the production process is optimized; and during the optimization, the quality and the reliability of a product are further improved on the premise of guaranteeing the quality of the product.
Description
Technical field
The present invention belongs to technical field of steel rolling, relates to the rolling mill practice of medium and small material, specifically is a kind of medium-sized section bar, small material to be merged into a Production Line technology.
Background technology
At present domestic enterprises that produce the especially military flat-bulb steel of special shape shaped steel are successively because the integration of iron and steel enterprise; Stop production or change the line of production; Build the demand of naval vessel to shaped steel for satisfying Chinese Navy, Anshan iron and steel plant will be born full specification, full kind, the military shaped steel of complete series and the production task of other kind.
Because kind is different; Just need to be equipped with corresponding apparatus and to adopt different production technology, just produce medium-sized, light section steel, existing processes need dispose two independent production lines; That is: produce a production line of medium-sized specification; Produce a production line of small-sized specification, because two production lines need two cover corollary equipments, production site, auxiliary equipment, investment and personnel demand are huge; And on the duration, can not meet the demands, produce existing equipment of more kind section bar and place if desired and do not reach the demand of production far away.
Summary of the invention
The objective of the invention is medium-sized, small material production line are optimized by two original required production lines processes; Again design; Under the prerequisite that does not increase corollary equipment, facility, place, existing production line is merged into a production line; And corresponding a series of technical measures, the production technology of the medium and small material of realization production different cultivars taked.
Characteristics of the present invention are; Medium and small two groups of milling trains, two cover production lines are merged into a production line, and its production technology is: blank, and------------------sawing---is collected---cooling---aligning rolling mill to scale to φ 350 milling trains to φ 580 milling trains/φ 350 milling trains to φ 580 milling trains to Medium Frequency Induction Heating Furnace.
Apparatus arrangement characteristics of the present invention do, medium and small two groups of milling trains all adopt three milling train cross-arranging types, wherein 1
#Milling train position, 3
#The locational milling train of milling train is fixed installation position, 1
#φ 580 milling trains and 3 of milling train position
#φ 350 milling trains of milling train position are shared, and 2# milling train position is Φ 580 milling trains and Φ 350 milling train common location, and the exchange mode is adopted by φ 350 milling trains and φ 580 milling trains in two kinds of section bar intermediate mill positions when rolling.Shaped steel kind according to producing adopts different milling train combining forms, and the medium section mill group is made up of 2 φ 580 milling trains and φ 350 milling trains; The small section mill group is made up of 2 φ 350 milling trains of 1 φ, 580 milling trains.
In order to solve the shared property problem of milling train, the present invention adopts new pass, to guarantee the product rolling quality under new milling train layout pattern; In order to satisfy the needs of rolling temperature, on before and after the corresponding milling train, increase the employing plurality of devices, 2 simultaneously
#Quick traversing chain between forward and backward each the increase swing platform in milling train position, machine for moving steel, roller-way, 3
#Increase quick traversing chain between swing platform, machine for moving steel, roller-way before the milling train position, to ensure rolling smooth completion.
Technology arrangement concrete configuration of the present invention is:
1) during rolling medium-sized section bar, 1
#Milling train position: Φ 580 milling trains; 2
#Milling train position Φ 580 milling trains; 3
#Milling train position Φ 350 milling trains, wherein two Φ 580 milling trains are by 1
#Main motor-driven, Φ 350 milling trains are by 2
#Main motor-driven;
2) during rolling small material, 1
#Milling train position Φ 580 milling trains; 2
#Milling train position Φ 350 milling trains; 3
#Milling train position Φ 350 milling trains, wherein Φ 580 milling trains are by 1
#Main motor-driven, 2 Φ 350 milling trains are by 2
#Main motor-driven;
3) milling train of 2# milling train position all by the requirement design of pre-installing technology outside the venue, can be realized whole handling, the installation of milling train; And screw is installed to the lower margin of two rolling mills and is designed to same size, so just can reach the function of quick change.
Concrete technological process is: blank is transported to 1 by charging roller table after the heating in medium frequency stove is heated to 1250 ℃
#The milling train position, and undertaken back and forth rollingly by φ 580 milling trains, the rolled piece after rolling is traversing and be transported to 2 by Traverse Displacement Unit
#The milling train position is undertaken back and forth rollingly by φ 580 milling trains or φ 350, the rolled piece after rolling is traversing and be transported to last rolling mill position-3 by Traverse Displacement Unit
#The milling train position is rolled by φ 350 milling trains, and blank is rolled into the finished product section, and the finished product behind φ 350 mill millings is transported to the hot saw place by conveyor roller, after sawing is accomplished, continues rolled piece to be transported to cold bed to be cooled off by the conveyor roller transportation.Cooled product handling also is transported to finishing, treatment production workshop and carries out subsequent handling and handle, and the rolled piece after finishing dealing with is packed after inspection, put in storage.
Owing to adopt Medium Frequency Induction Heating Furnace, improve heating quality, reduce scaling loss and iron scale, the rear portion need not to be provided with high-pressure water descaling equipment.
Advantage of the present invention and effect are, medium-sized section bar and small material rolling line are designed to a production line, and milling train is arranged and kept the cross-arranging type layout pattern; And adopt corresponding production technology; Satisfy the technological requirement produce medium and small flat-bulb steel simultaneously, not only practiced thrift fund input, production site, personnel's configuration and optimized production technology; When optimizing and under the prerequisite of the quality that guarantees product, further improved the q&r of product.
Description of drawings
Accompanying drawing is a technology arrangement sketch map of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated:
Apparatus arrangement characteristics of the present invention are 1
#Milling train position, the locational milling train of 3# milling train are fixed installation position, 1
#φ 580 milling trains and 3 of milling train position
#φ 350 milling trains of milling train position are shared, 2
#The milling train position is Φ 580 milling trains and Φ 350 milling train common location; Medium and small two groups of milling trains all adopt three milling train cross-arranging types, and the shaped steel kind according to producing adopts different milling train combining forms, and the medium section mill group is made up of 2 φ 580 milling trains and φ 350 milling trains; The small section mill group is made up of 2 φ 350 milling trains of 1 φ, 580 milling trains, and intermediate mill position φ 350 milling trains and φ 580 milling trains adopt the exchange mode during rolling two kinds of section bars.
Production technology of the present invention is: blank, and------------------sawing---is collected---cooling---aligning rolling mill to scale to φ 350 milling trains to φ 580 milling trains/φ 350 milling trains to φ 580 milling trains to Medium Frequency Induction Heating Furnace.
Technology floor plan of the present invention is following
1) 1
#Milling train position Φ 580 milling trains-2
#Milling train position Φ 580 milling trains-3
#(two Φ 580 milling trains are by 1 for milling train position Φ 350 milling trains
#Main motor-driven, Φ 350 milling trains are by 2
#Main motor-driven);
2) 1
#Milling train position Φ 580 milling trains-2
#Milling train position Φ 350 milling trains-3
#(Φ 580 milling trains are by 1 for milling train position Φ 350 milling trains
#Main motor-driven, 2 Φ 350 milling trains are by 2
#Main motor-driven);
2
#The milling train of milling train position all by the requirement design of pre-installing technology outside the venue, can be realized whole handling, the installation of milling train; And screw is installed to the lower margin of two rolling mills and is designed to same size, so just can reach the function of quick change.
Concrete technological process is: blank is transported to 1 by charging roller table after the heating in medium frequency stove is heated to 1250 ℃
#The milling train position, and undertaken back and forth rollingly by φ 580 milling trains, the rolled piece after rolling is traversing and be transported to 2 by Traverse Displacement Unit
#The milling train position is undertaken back and forth rollingly by φ 580 milling trains or φ 350, the rolled piece after rolling is traversing and be transported to last rolling mill position-3 by Traverse Displacement Unit
#The milling train position is rolled by φ 350 milling trains, and blank is rolled into the finished product section; Finished product behind φ 350 mill millings is transported to the hot saw place by conveyor roller, after sawing is accomplished, continues to be transported by conveyor roller; Rolled piece is transported to cold bed to be cooled off; In order to solve the shared property problem of milling train, the present invention adopts new pass, to guarantee the product rolling quality under new milling train layout pattern; In order to satisfy the needs of rolling temperature, on before and after the corresponding milling train, increase the employing plurality of devices, 2 simultaneously
#Quick traversing chain between forward and backward each the increase swing platform in milling train position, machine for moving steel, roller-way, 3
#Increase quick traversing chain between swing platform, machine for moving steel, roller-way before the milling train position, to ensure rolling smooth completion.Cooled product handling also is transported to finishing, treatment production workshop and carries out subsequent handling and handle, and the rolled piece after finishing dealing with is packed after inspection, put in storage.
Owing to adopt Medium Frequency Induction Heating Furnace, improve heating quality, reduce scaling loss and iron scale, the rear portion need not to be provided with high-pressure water descaling equipment.
Wherein 2
#The milling train position is Φ 580 milling trains and the public position of Φ 350 milling trains, when rolling medium-sized flat-bulb steel (10
#～16
#) time adopt Φ 580-Φ 580-Φ 350 layout pattern productions, rolling microspheric form band steel (5
#～9
#) time adopt Φ 580-Φ 350-Φ 350 layout pattern productions (the production space is merely the production space of a cover milling train).
Claims (5)
1. the production technology of a section bar; It is characterized in that; Medium and small two groups of milling trains, two cover production lines are merged into a production line, and production technology is: blank, and------------------sawing---is collected---cooling---aligning rolling mill to scale to φ 350 milling trains to φ 580 milling trains/φ 350 milling trains to φ 580 milling trains to Medium Frequency Induction Heating Furnace.
2. the production technology of a kind of section bar according to claim 1 is characterized in that, the apparatus arrangement characteristics do, medium and small two groups of milling trains all adopt three milling train cross-arranging types, wherein 1
#Milling train position, 3
#The locational milling train of milling train is fixed installation position, 1
#φ 580 milling trains and 3 of milling train position
#φ 350 milling trains of milling train position are shared, 2
#The milling train position is Φ 580 milling trains and Φ 350 milling train common location, adopts the exchange mode by φ 350 milling trains and φ 580 milling trains.
3. the production technology of a kind of section bar according to claim 1 and 2 is characterized in that, 1) during rolling medium-sized section bar, 1
#Milling train position Φ 580 milling trains-2
#Milling train position Φ 580 milling trains-3
#Milling train position Φ 350 milling trains, wherein two Φ 580 milling trains are by 1
#Main motor-driven, Φ 350 milling trains are by 2
#Main motor-driven;
2) during rolling small material, 1
#Milling train position Φ 580 milling trains-2
#Milling train position Φ 350 milling trains-3
#Milling train position Φ 350 milling trains, wherein Φ 580 milling trains are by 1
#Main motor-driven, 2
#Frame Φ 350 milling trains are by 2
#Main motor-driven.
4. the production technology of a kind of section bar according to claim 1 and 2 is characterized in that, 2
#The milling train of milling train position all adopts and pre-installs technology outside the venue, and is designed to same size to the lower margin of two rolling mills installation screw, realizes whole handling, the quick change requirement is installed.
5. the production technology of a kind of section bar according to claim 1 and 2 is characterized in that, 2
#Quick traversing chain between forward and backward each the increase swing platform in milling train position, machine for moving steel, roller-way, 3
#Increase quick traversing chain between swing platform, machine for moving steel, roller-way before the milling train position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612848.1A CN102553909B (en) | 2010-12-28 | 2010-12-28 | Production process for section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612848.1A CN102553909B (en) | 2010-12-28 | 2010-12-28 | Production process for section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102553909A true CN102553909A (en) | 2012-07-11 |
| CN102553909B CN102553909B (en) | 2014-04-02 |
Family
ID=46401282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010612848.1A Active CN102553909B (en) | 2010-12-28 | 2010-12-28 | Production process for section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102553909B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570547A (en) * | 2017-07-27 | 2018-01-12 | 宿迁南钢金鑫轧钢有限公司 | A kind of Flat-bulb Steel for Ship Use production technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115844U (en) * | 1991-04-22 | 1992-09-16 | 湖北咸宁矿山机械厂 | Mill for primary profiled empty hexagon drill steel |
| CN1074840A (en) * | 1992-01-27 | 1993-08-04 | 杨恒 | Light bent steel |
| WO1999054064A1 (en) * | 1998-04-15 | 1999-10-28 | Nippon Steel Corporation | Multifunction rolling mill for h-steel rolling equipment and rolling method using it |
-
2010
- 2010-12-28 CN CN201010612848.1A patent/CN102553909B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115844U (en) * | 1991-04-22 | 1992-09-16 | 湖北咸宁矿山机械厂 | Mill for primary profiled empty hexagon drill steel |
| CN1074840A (en) * | 1992-01-27 | 1993-08-04 | 杨恒 | Light bent steel |
| WO1999054064A1 (en) * | 1998-04-15 | 1999-10-28 | Nippon Steel Corporation | Multifunction rolling mill for h-steel rolling equipment and rolling method using it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570547A (en) * | 2017-07-27 | 2018-01-12 | 宿迁南钢金鑫轧钢有限公司 | A kind of Flat-bulb Steel for Ship Use production technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102553909B (en) | 2014-04-02 |
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