CN201744485U - System for producing wide and heavy plate products - Google Patents
System for producing wide and heavy plate products Download PDFInfo
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- CN201744485U CN201744485U CN2010202081091U CN201020208109U CN201744485U CN 201744485 U CN201744485 U CN 201744485U CN 2010202081091 U CN2010202081091 U CN 2010202081091U CN 201020208109 U CN201020208109 U CN 201020208109U CN 201744485 U CN201744485 U CN 201744485U
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Abstract
The utility model relates to a system for producing wide and heavy plate products, which comprises rolling line equipment, finishing line equipment and heat treatment line equipment that are sequentially connected, wherein the rolling line equipment comprises a heating furnace, a dephosphorization box, a rough mill, a separated vertical rolling mill, a finishing mill, a pre-straightening machine, on-line quenching equipment and a hot straightening machine that are connected in sequence; 3 to 4 interspaces of the length of intermediate slabs plus the tailing-out retardation distance are preserved between the dephosphorization box and the rough mill; a cold straightening machine is arranged at the joint of the rolling line equipment and the finishing line equipment; and the finishing line equipment, the heat treatment line equipment and a finished products storage are connected with one another via suspension steel channels. The utility model can not only produce products with high yield and qualification rate, but also realize three-stage rolling in batches and ensure smooth procedures and logistics.
Description
Technical field
The utility model relates to the Wide and Thick Slab production field, particularly relates to a kind of system of production Wide and Thick Slab product.
Background technology
China has tens at the Wide and Thick Slab production line of building and having built, there are the following problems but in many Wide and Thick Slab production lines: (1) apparatus arrangement is improper, as to the workshop, heat-treatment zone, not reserving transport channel at warehouse for finished product, when the after-treatment steel plate, can not handling in the workshop, need to have bad luck by automobile, cause that technological process has some setbacks, logistics is not smooth, producing needs that short-distance transport causes the cost rising factory in.(2) 5 of adhesion type vertical miller and roughing mill breast rolls are because work condition environment is abominable, be subjected to the long-term heavy load bump of slab to cause the damage of its bearing easily in the production, the organic frame roller is stuck often in the production does not change, thereby cause steel plate to roll tiltedly, cause product lumber recovery and qualification rate to descend, and it is difficult in maintenance and the repair time is long; (3) distance between dephosphorize by high pressure water case and the roughing mill is too close, can't satisfy the technological requirement of three stage rolling in batches; (4) not straight owing to rolling back steel plate template difference and steel plate, quenched nickelclad can't be aligned smooth, makes steel plate can not satisfy delivery requirements, causes the press quenching capacity utilization low; (5) finishing line equipment separates with the heat-treatment lines apparatus arrangement, and the steel plate cold straightener can't be shared on two production lines, needs have bad luck in the factory during cold strong steel plate, cold strong steel plate can't in time follow team, causes warehouse for finished product overstocked, and finished product is transported to the car difficulty outward.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of system of production Wide and Thick Slab product, is obtaining the high product of lumber recovery and qualification rate simultaneously, realizes three stage rolling in batches, guarantees that operation is smooth and easy, logistics is unobstructed.
The technical scheme that its technical problem that solves the utility model adopts is: the system that a kind of production Wide and Thick Slab product is provided, comprise the roll line equipment, finishing line equipment and the heat-treatment lines equipment that connect successively, described roll line equipment comprises heating furnace, dephosphorization case, roughing mill, separate type vertical miller, finishing mill, pre-straightening machine, press quenching equipment and the thermal straightening machine that links to each other successively; Maintain 3-4 piece intermediate blank length between described dephosphorization case and the roughing mill and add the spacing of throwing the steel deceleration distance; The junction of described roll line equipment and finishing line equipment is provided with cold straightener; Described finishing line equipment links to each other with warehouse for finished product respectively with Equipment for Heating Processing.
All be connected between the heat-treatment lines equipment of the system of described production Wide and Thick Slab product and warehouse for finished product, warehouse for finished product and finishing line equipment, finishing line equipment and the heat-treatment lines equipment by hanging the steel passage.
Distance between described press quenching equipment and the pre-straightening machine is the length of a maximum rolled plate.
The location swap of described roughing mill and separate type vertical miller.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: the utility model satisfies technological requirement, realizes two-shipper frame wide and heavy plate mill three stage rolling in batches; Utilize the separate type vertical miller to replace original adhesion type vertical miller, satisfied the plant maintenance needs; Between finishing mill and press quenching equipment, arrange the pre-straightening machine, satisfy the requirement of steel plate template; Between finishing line equipment and heat-treatment lines equipment, arrange cold straightener, make two shared cold straighteners of production line, improved the craspedodrome rate of steel plate; Between warehouse for finished product and heat-treatment lines equipment, warehouse for finished product and finishing line equipment, finishing line and heat-treatment lines equipment, be provided with and hang the steel passage, guaranteed that operation is smooth and easy.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present utility model relates to a kind of system of production Wide and Thick Slab product, as shown in Figure 1, comprise the roll line equipment that connects successively, finishing line equipment and heat-treatment lines equipment, described roll line equipment comprises the heating furnace 1 that links to each other successively, dephosphorization case 2, roughing mill 3, separate type vertical miller 4, finishing mill 5, pre-straightening machine 6, press quenching equipment 7 and thermal straightening machine 8, wherein, maintain 3-4 piece intermediate blank length between described dephosphorization case 2 and the roughing mill 3 and add the spacing of throwing the steel deceleration distance, guaranteed that so slab has enough positions steel that dries in the air before roughing mill 3 is rolling, guarantee two-shipper frame wide and heavy plate mill three stage rolling in batches; Distance between described pre-straightening machine 6 and the press quenching equipment 7 is the length of a maximum rolled plate, and its starting point begins to count after steel plate goes out pre-straightening machine 6 rolling roller-ways; The junction of described roll line equipment and finishing line equipment is provided with cold straightener 26, makes to improve steel plate craspedodrome rate by two shared cold straighteners 26 of production line; Described finishing line equipment links to each other with warehouse for finished product respectively with Equipment for Heating Processing.Wherein, all be connected between heat-treatment lines equipment and warehouse for finished product, warehouse for finished product and finishing line equipment, finishing line equipment and the heat-treatment lines equipment, guaranteed that operation is smooth and easy by hanging the steel passage.What deserves to be mentioned is that the position of roughing mill 3 and separate type vertical miller 4 can exchange, adopt separate type vertical miller 4 to replace original adhesion type vertical miller and make plant maintenance more simple, make whole process of production more smooth.
The technological process and the Wide and Thick Slab heat treatment flow process of production Wide and Thick Slab product are described below in conjunction with Fig. 1.
The technological process of production Wide and Thick Slab product is as follows, and at first, slab heats in the heating furnace 1 of roll line equipment.Then carry out dephosphorize by high pressure water, will be rolled through roughing mill 3, separate type vertical miller 4, finishing mill 5 successively through the slab of dephosphorize by high pressure water afterwards by 2 pairs of slabs that heated through heating furnace 1 of dephosphorization case.Then in pre-straightening machine 6, aligning through rolling steel plate, improve the template and the glacing flatness of the steel plate after rolling, the steel plate of the aligning of process pre-straightening machine 6 carries out Quenching Treatment by press quenching equipment 7, by thermal straightening machine 8 it is aligned again more afterwards, make the glacing flatness of quenched nickelclad reach requirement.Steel plate enters the cold bed 9 of finishing line equipment, 10,11 cool off, need this moment to carry out different processing according to the steel plate of different size, if steel plate thickness is during smaller or equal to 50mm, upper surface to steel plate carries out reconditioning, by panel turnover machine 12 steel plate is carried out turn-over again, and its lower surface carried out reconditioning, steel plate turned back the front via panel turnover machine 14 after reconditioning finished, carry out the crop sampling by 13 pairs of steel plates of crop shears, use ultrasonic examination by 15 pairs of steel plates of flaw detection unit again, if steel plate does not have defective, cut the limit by 16 pairs of steel plates of bilateral scissors again, cut intact back, limit and cut 17 pairs of steel plates by scale and carry out sizing and sampling, stamp sign by sign machine 18 for steel plate at last, send into warehouse for finished product or enter heat-treatment lines equipment and heat-treat; If steel plate thickness is during greater than 50mm, same elder generation carries out reconditioning to the upper surface of steel plate, by panel turnover machine 12 steel plate is carried out turn-over again, and its lower surface carried out reconditioning, directly stamp sign for steel plate after reconditioning finishes, then steel plate is taken a sample, and carry out sizing with the mode that fire square cuts by sign machine 18, use ultrasonic examination by 15 pairs of steel plates of flaw detection unit at last, if steel plate has defective it is not sent into warehouse for finished product or enter the heat treatment of heat-treatment lines equipment.Send into warehouse for finished product or enter heat-treatment lines equipment heat-treat before, it is straight the semi-finished product steel plate can be sent into the cold straightener deemphasis that is positioned at finishing line equipment and heat-treatment lines equipment junction, so earlier produce steel plate and need not wait in warehouse for finished product that cold strong steel plate handles outer together of heel team, minimizing finished product reservoir area pressure.
Wide and Thick Slab heat treatment flow process is as follows: by warehouse for finished product or finishing line equipment the semi-finished product steel plate is sent into heat-treatment lines equipment; carry out ball blast according to 19 pairs of rerolled steel plates of production schedule ball blast unit; semi-finished product steel plate behind the ball blast is sent it into normalizing furnace 21 by feeding cart 20 and is carried out normalized treatment and/or send into glowing furnace 22 and carry out Quenching Treatment by quenching press 23, and steel plate after treatment carries out temper again after cold bed 24 coolings.Carry out the upper surface reconditioning to having carried out heat treated steel plate, utilize panel turnover machine 25 that the steel plate turn-over is carried out the lower surface reconditioning again, the mode that steel plate after the reconditioning adopts machine butt formula or fire to cut is carried out sizing and sampling, stamp sign by sign machine 28 for steel plate at last, and it is its performance detected, if no problem then send into warehouse for finished product.
Be not difficult to find, vertical miller of the present utility model separates setting with roughing mill, can in time safeguard breast roll, guarantee that breast roll is in best duty, avoid the slab oblique milling, guaranteed the lumber recovery of Wide and Thick Slab, before slab is carried out roughing, guarantee the steel position of drying in the air of roughing, realize three stage rolling in batches.Got through each passage in the workshop, in whole process of production, improved the craspedodrome rate of steel plate, made that operation is more smooth and easy, logistics is more unobstructed.
Claims (4)
1. system that produces the Wide and Thick Slab product, comprise the roll line equipment, finishing line equipment and the heat-treatment lines equipment that connect successively, it is characterized in that described roll line equipment comprises heating furnace (1), dephosphorization case (2), roughing mill (3), separate type vertical miller (4), finishing mill (5), pre-straightening machine (6), press quenching equipment (7) and the thermal straightening machine (8) that links to each other successively; Maintain 3-4 piece intermediate blank length between described dephosphorization case (2) and the roughing mill (3) and add the spacing of throwing the steel deceleration distance; The junction of described roll line equipment and finishing line equipment is provided with cold straightener (26); Described finishing line equipment links to each other with warehouse for finished product respectively with Equipment for Heating Processing.
2. the system of production Wide and Thick Slab product according to claim 1 is characterized in that, all is connected by hanging the steel passage between described heat-treatment lines equipment and warehouse for finished product, warehouse for finished product and finishing line equipment, finishing line equipment and the heat-treatment lines equipment.
3. the system of production Wide and Thick Slab product according to claim 1 is characterized in that, the distance between described press quenching equipment (7) and the pre-straightening machine (6) is the length of a maximum rolled plate.
4. the system of production Wide and Thick Slab product according to claim 1 is characterized in that, the location swap of described roughing mill (3) and separate type vertical miller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202081091U CN201744485U (en) | 2010-05-27 | 2010-05-27 | System for producing wide and heavy plate products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202081091U CN201744485U (en) | 2010-05-27 | 2010-05-27 | System for producing wide and heavy plate products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201744485U true CN201744485U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202081091U Expired - Fee Related CN201744485U (en) | 2010-05-27 | 2010-05-27 | System for producing wide and heavy plate products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201744485U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284522A (en) * | 2011-08-30 | 2011-12-21 | 北京科技大学 | Online accelerated cooling method with function of pre-straightening |
| CN103143564A (en) * | 2013-03-15 | 2013-06-12 | 济钢集团有限公司 | Batch rolling method and control system based on main and auxiliary roller ways and double-rack four-high mill |
| CN105382547A (en) * | 2015-12-19 | 2016-03-09 | 重庆麦拓科技有限公司 | Tool and die steel production line |
| CN112517648A (en) * | 2020-10-23 | 2021-03-19 | 青岛方正机械集团有限公司 | Steel hot working system and method |
| CN112570450A (en) * | 2019-09-30 | 2021-03-30 | 宝钢湛江钢铁有限公司 | Thick plate rolling line and production method thereof |
-
2010
- 2010-05-27 CN CN2010202081091U patent/CN201744485U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284522A (en) * | 2011-08-30 | 2011-12-21 | 北京科技大学 | Online accelerated cooling method with function of pre-straightening |
| CN102284522B (en) * | 2011-08-30 | 2015-06-17 | 北京科技大学 | Online accelerated cooling method with function of pre-straightening |
| CN103143564A (en) * | 2013-03-15 | 2013-06-12 | 济钢集团有限公司 | Batch rolling method and control system based on main and auxiliary roller ways and double-rack four-high mill |
| CN105382547A (en) * | 2015-12-19 | 2016-03-09 | 重庆麦拓科技有限公司 | Tool and die steel production line |
| CN112570450A (en) * | 2019-09-30 | 2021-03-30 | 宝钢湛江钢铁有限公司 | Thick plate rolling line and production method thereof |
| CN112570450B (en) * | 2019-09-30 | 2022-03-01 | 宝钢湛江钢铁有限公司 | Thick plate rolling line and production method thereof |
| CN112517648A (en) * | 2020-10-23 | 2021-03-19 | 青岛方正机械集团有限公司 | Steel hot working system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120527 |