CN206139654U - Middle base cooling system - Google Patents

Middle base cooling system Download PDF

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Publication number
CN206139654U
CN206139654U CN201621121808.6U CN201621121808U CN206139654U CN 206139654 U CN206139654 U CN 206139654U CN 201621121808 U CN201621121808 U CN 201621121808U CN 206139654 U CN206139654 U CN 206139654U
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CN
China
Prior art keywords
middle base
base
delay table
frame
cooling system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621121808.6U
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Chinese (zh)
Inventor
何亚元
严翔
付勇涛
郭斌
蔡珍
周千学
杨治争
尹云洋
朱丛茂
官计生
陈玮
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Wuhan Iron and Steel Co Ltd
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Wuhan Iron and Steel Corp
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Publication date
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Priority to CN201621121808.6U priority Critical patent/CN206139654U/en
Application granted granted Critical
Publication of CN206139654U publication Critical patent/CN206139654U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a middle base cooling system, including arranging other middle base cooling rack and the middle base lifting and horizontal moving mechanism of setting under the delay table of delay table slave end between roughing mill and finishing mill, middle base lifting and horizontal moving mechanism rises middle base and sideslip to middle base cooling rack, and after base air cooling to the suitable temperature, base lifting and horizontal moving mechanism retracts the delay table with middle base in the middle of using in the middle of treating to it carries on rollingly to get into the finishing mill. The utility model discloses an install middle base cooling system on the delay table, improved rolling mill utilization ratio and production efficiency widely, and then improved the economic benefits of iron and steel enterprise, the fix the support frame and the movable supporting frame of middle base cooling rack support middle base in proper order for the black seal in middle base surface is showing and is reducing, and temperature homogeneity is showing and improves, middle base cooling system equipment is simple, and middle base cooling rack takes up an area of for a short time, does not influence arranging of rolling mill district's basement.

Description

Intermediate blank cooling system
Technical field
This utility model belongs to cut deal technical field of steel rolling, and in particular to a kind of intermediate blank cooling system.
Background technology
Controlled rolling and controlled cooling technique are widely used in Heavy Plate Production, improve in the performance of product Play an important role.But, during controlled rolling, the part between the recrystallization and Unhydrated cement of steel plate is again Rolling must be stopped in crystal region temperature range, carry out treating temperature, to avoid the occurrence of mixed grain structure, affect product quality.
At present, the spacing between the most of thick, finishing mills of home and abroad Heavy Plate Production line is universal shorter, with TMCP skills The development of art, when intercooling is carried out, will have a strong impact on yield, therefore, each Heavy Plate Production producer using various methods come The cooling of base in the middle of improving, improve production efficiency as a rule, mainly there is the side such as section cooling, cascade, aerosol cooling, air cooling Formula.
The method rate of cooling of section cooling is bigger than normal, makes the steel billet temperature after cooling not uniform enough, the tissue to middle base Performance is unfavorable.In cascade mode, the water yield is difficult to rapid adjust automatically as needed, and cooling rate is uneven, causes middle base The temperature difference increase, the plate shape for easily making middle base deteriorates, and is unfavorable for the accurate control of finishing mill, ultimately results in the plate shape of finished steel plate Problem.Aerosol cooling device is complex, and higher to the requirement of gas circuit, the cleanliness factor in water route and pressure control range, leads Cause overall investment larger, it is also limit to a certain extent and is used.
And middle base carries out air cooling and treats that temperature is the slow temperature drop process of comparison by swinging on roller-way, cooldown rate Less, it is square compared with water-cooled etc. that its mill production will typically reduce slab temperature homogeneity after 26%~30% or so, but air cooling Method is greatly improved, it is ensured that finished steel plate end to end and both sides structure property it is uniform so as to by numerous Heavy Plate Production producers Extensive application.
Middle base air cooling treats that warm mode has various ways, and Yi Sen pool lattice using roller-way is bypassed before machine, adopt by Millheim, Germany With cross traveling trolley, Sweden Olso and Nangang using build after milling train one can put one block of steel plate treat temperature " hand basket " form it is online Hydraulicefficiency elevation structure, to realize steel plate tandem rolling.
Advantage using bypass roller-way be middle base length limitation is little, traversing point is more, and roller-way uses flexible, its shortcoming It is that occupation area of equipment is big, equipment Foundations are deeper, has influence on the arrangement of milling train area basement.Advantage using cross traveling trolley is to account for Ground area is little, impact of the equipment Foundations to milling train area basement is little, and it has the disadvantage that middle base length is limited by cross traveling trolley, makes Slightly worse with motility, further, since its position is fixed, middle base comes and goes the distance of conveying between milling train and cross traveling trolley, Influence of rolled rhythm sometimes.It is simple structure, compact using the great advantage of the online hydraulicefficiency elevation structure of " hand basket " form, Substantially workshop place is not additionally taken, but major defect is middle base and supporting mechanism Long Term Contact, causes the black print of middle base many, Cooling uniformity is poor, affects steel plate overall performance uniformity.
The content of the invention
The purpose of this utility model is aiming at the deficiency of above-mentioned technology, there is provided it is uniform that one kind can significantly improve steel billet temperature The intermediate blank cooling system of property.
For achieving the above object, the intermediate blank cooling system designed by this utility model, including be arranged in roughing mill with essence Middle base refrigeration bench frame between milling train by delay table slave end and the middle base lifting being arranged on immediately below delay table are horizontal Telephone-moving structure;The middle base lift-sliding mechanism includes being located at delay table lower section and along the bottom of delay table length direction arrangement Plate, along the floor length direction and side is fixed on several supports on the base plate, drives the liter of the base plate lifting The traversing traversing hydraulic cylinder of descending liquid cylinder pressure and the driving base plate, each described support is respectively formed in a direction with the base plate Between base refrigeration bench frame direction opening, and a support is correspondingly embedded in the gap between a neighboring transmission roller;
The middle base refrigeration bench frame is included along the base of delay table length direction arrangement and along the base length side To and several fixing support racks for being fixed on the base, per the two neighboring fixing support rack between gap formed One groove for accommodating the correspondence support.
Further, the middle base refrigeration bench frame also include number and the groove number identical movable support frame and Drive the movable support frame hydraulic cylinder of movable support frame lifting;Number and groove are offered on the base along base length direction Number identical right angle setting hole, with the groove in corresponding and connecting, an activity is propped up in the right angle setting hole Support is inserted in a right angle setting hole, and the movable support frame is staggeredly arranged with the support.
Compared with prior art, this utility model has advantages below:This utility model on delay table by installing Intermediate blank cooling system, greatly increases milling train utilization rate and production efficiency, and then improves the economic benefit of iron and steel enterprise; The fixing support rack and movable support frame of middle base refrigeration bench frame supports successively middle base so that the black print in middle base surface significantly subtracts Few, temperature homogeneity is significantly improved;Intermediate blank cooling system equipment is simple, and middle base refrigeration bench frame occupation of land is little, does not affect milling train The arrangement of area's basement, and setting quantity and device length are unrestricted, so that middle base length is unrestricted, using spirit Living and convenience.
Description of the drawings
Fig. 1 installs schematic top plan view for the middle base lift-sliding mechanism structure of this utility model intermediate blank cooling system;
Fig. 2 is the A-A schematic diagrams of Fig. 1;
Fig. 3 is the B-B schematic diagrams of Fig. 1;
Fig. 4 is the middle base refrigeration bench frame structure schematic top plan view of this utility model intermediate blank cooling system;
Fig. 5 is the C-C schematic diagrams of Fig. 4.
Each part numbers are as follows in figure:
Delay table 1, delivery roll 2, middle base lift-sliding mechanism 3 are (wherein:Base plate 3.1, support 3.2, opening 3.3), Middle base refrigeration bench frame 4, movable support frame 5, fixing support rack 6, groove 7, base 8 are (wherein:Right angle setting hole 8.1), it is traversing Hydraulic cylinder 9, lifting hydraulic cylinder 10, sidebar 11.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment.
Intermediate blank cooling system with reference to shown in Fig. 1, Fig. 4, including being arranged in delay table 1 between roughing mill and finishing mill Middle base refrigeration bench frame 4 by slave end and the middle base lift-sliding mechanism 3 being arranged on immediately below delay table 1, middle base Middle base is risen and traversing to middle base refrigeration bench frame 4 in lift-sliding mechanism 3, after middle base is air cooled to suitable temperature, makes Middle base is moved back to into delay table 1 with middle base lift-sliding mechanism 3, and is rolled into finishing mill.
With reference to shown in Fig. 2, Fig. 3, middle base lift-sliding mechanism 3 includes being located at the lower section of delay table 1 and along delay table 1 The base plate 3.1 of length direction arrangement, along the length direction of base plate 3.1 and side is vertically fixed on several supports on base plate 3.1 3.2nd, drive the lifting hydraulic cylinder 10 of the lifting of base plate 3.1 and drive the traversing traversing hydraulic cylinder 9 of base plate 3.1, each support 3.2 with Base plate 3.1 is respectively formed an opening 3.3 towards the middle direction of base refrigeration bench frame 4, it is convenient middle base is risen after can it is traversing extremely Middle base refrigeration bench frame 4 and along backtracking to delay table 1;Meanwhile, a support 3.2 is correspondingly embedded in an adjacent biography In gap between defeated roller 2, i.e., the gap between support 3.2 and neighboring transmission roller 2 is arranged in one-to-one corresponding, in addition, base plate 3.1 Upper surface and the distance between the lower bottom part of delivery roll 2 should be not less than support 3.2 by the distance of middle base jack-up;
With reference to shown in Fig. 5, middle base refrigeration bench frame 4 is included along the base 8 of the length direction of delay table 1 arrangement and the bottom of along 8 length directions of seat and it is vertically fixed on base 8 for shelving several fixing support racks 6 of middle base, movable support frame 5 and driving The movable support frame hydraulic cylinder (not shown) of the lifting of dynamic movable support frame 5, between two neighboring fixing support rack 6 Gap forms a groove 7 for supplying to accommodate correspondence support 3.2, i.e. support 3.2 with groove 7 in one-to-one corresponding arrangement;Movable support frame 5 Number is identical with the number of groove 7, and number and the number identical right angle setting of groove 7 are offered along the length direction of base 8 on base 8 Hole 8.1, with groove 7 in corresponding and connecting, a movable support frame 5 is inserted into a right angle setting in right angle setting hole 8.1 In hole 8.1, and movable support frame 5 is staggeredly arranged with corresponding support 3.2, that is, when installing, each movable support frame 5 with it is corresponding Support stagger, when using, support 3.2 and movable support frame 5 will not interfere collision.
Movable support frame 5 can be moved up and down by movable support frame hydraulic cylinder relative to fixing support rack 6, by activity Bracing frame 5 moves up and down to change the service condition of middle base refrigeration bench frame 4, is higher than when movable support frame 5 is moved upward to During fixing support rack 6, then middle base is supported by movable support frame 5, when movable support frame 5 is moved downward to less than fixing support rack When 6, then middle base is supported by fixing support rack 6.Do so one is middle base of the bracing frame in order to prevent temperature low in high temperature On leave black print, the final microstructure and mechanical property for affecting rolled piece local, two is that bracing frame temperature is long-term too high to draw in order to prevent Hot injury is played, so as to cause the bracing frame lost of life, three is the uniformity that improve middle base temperature.
In addition, in order to ensure that middle base ensures smooth, the support of all installations of middle base during transhipment conveying 3.2 tops should at grade, and the top of all fixing support racks 6 also should at grade, in the same manner, all activities The top of bracing frame 5 also should preserve at grade during motion.
The base length of base refrigeration bench frame can be carried out according to needs of production and place size in the middle of in the present embodiment Freely arrange, quantity is set and device length is unrestricted, so that middle base length is unrestricted, i.e., using flexible, side Just.
It is as follows using process:Lifting hydraulic cylinder 10 drives base plate 3.1 to rise until middle base jack-up is higher than side by support 3.2 Hurdle 11, then traversing hydraulic cylinder 9 drive base plate 3.1 traversing to the middle direction of base refrigeration bench frame 4, when middle base it is completely traversing into Between base 4 top of refrigeration bench frame when, now, support 3.2 is just placed in the top of respective slot 7, and lifting hydraulic cylinder 10 drives base plate 3.1 Decline up to support 3.2 and drop to the lower section of the upper surface of fixing support rack 6, now, middle base is stably placed at middle base cooling On the fixing support rack 6 of stand 4, and at set intervals (such as 30 seconds), on movable support frame Driven by Hydraulic Cylinder movable support frame 5 Rise until be higher than the upper surface of fixing support rack 6, by middle base jack-up, now, middle base is supported by movable support frame 5, and successively It is repeated, until middle base is cooled to after suitable temperature, lifting hydraulic cylinder 10 drives base plate 3.1 to rise until support 3.2 leaves Groove 7 so that middle base is higher than middle base refrigeration bench frame 4 then traversing to delay table 1 through traversing hydraulic cylinder 9, finally declines To delay table 1, middle base is sent to into finishing mill by delivery roll 2 and is rolled.
This utility model by installing intermediate blank cooling system on delay table, greatly increase milling train utilization rate and Production efficiency, and then the economic benefit of iron and steel enterprise is improve, and intermediate blank cooling system equipment is simple, middle base refrigeration bench frame Occupation of land is little, does not affect the arrangement of milling train area basement.

Claims (2)

1. a kind of intermediate blank cooling system, it is characterised in that:Including be arranged in delay table between roughing mill and finishing mill (1) from Middle base refrigeration bench frame (4) by dynamic side and the middle base lift-sliding mechanism (3) being arranged on immediately below delay table (1);Institute Stating middle base lift-sliding mechanism (3) includes being located at delay table (1) lower section and along the bottom of delay table (1) length direction arrangement Plate (3.1), along the base plate (3.1) length direction and side be fixed on several supports (3.2) on the base plate (3.1), Drive the lifting hydraulic cylinder (10) of the base plate (3.1) lifting and drive the traversing traversing hydraulic cylinder (9) of the base plate (3.1), Each described support (3.2) is respectively formed an opening towards middle base refrigeration bench frame (4) direction with the base plate (3.1) , and a support (3.2) is correspondingly embedded in the gap between a neighboring transmission roller (2) (3.3);
The middle base refrigeration bench frame (4) is included along the base (8) of delay table (1) length direction arrangement and along the base (8) length direction and several fixing support racks (6) for being fixed on the base (8), described fixed support per two neighboring Gap between frame (6) forms a groove (7) for accommodating the correspondence support (3.2).
2. intermediate blank cooling system according to claim 1, it is characterised in that:The middle base refrigeration bench frame (4) also includes Number and the groove (7) number identical movable support frame (5) and the movable support frame liquid of driving movable support frame (5) lifting Cylinder pressure;Number and groove (7) number identical right angle setting hole are offered on the base (8) along base (8) length direction (8.1), the right angle setting hole (8.1) is with the groove (7) is in one-to-one corresponding and connects, a movable support frame (5) It is inserted in a right angle setting hole (8.1), and the movable support frame (5) is staggeredly arranged with the support (3.2).
CN201621121808.6U 2016-10-13 2016-10-13 Middle base cooling system Expired - Fee Related CN206139654U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621121808.6U CN206139654U (en) 2016-10-13 2016-10-13 Middle base cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621121808.6U CN206139654U (en) 2016-10-13 2016-10-13 Middle base cooling system

Publications (1)

Publication Number Publication Date
CN206139654U true CN206139654U (en) 2017-05-03

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Application Number Title Priority Date Filing Date
CN201621121808.6U Expired - Fee Related CN206139654U (en) 2016-10-13 2016-10-13 Middle base cooling system

Country Status (1)

Country Link
CN (1) CN206139654U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110449464A (en) * 2019-08-08 2019-11-15 中冶赛迪工程技术股份有限公司 A kind of extended type Medium and Heavy Plate Rolling technique and its rolling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110449464A (en) * 2019-08-08 2019-11-15 中冶赛迪工程技术股份有限公司 A kind of extended type Medium and Heavy Plate Rolling technique and its rolling device
CN110449464B (en) * 2019-08-08 2024-07-30 中冶赛迪工程技术股份有限公司 Lengthened medium plate rolling process and rolling device thereof

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TR01 Transfer of patent right

Effective date of registration: 20170707

Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs

Patentee after: WUHAN IRON AND STEEL Co.,Ltd.

Address before: 430083 Qingshan District, Hubei, Wuhan

Patentee before: WUHAN IRON AND STEEL Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170503

Termination date: 20211013

CF01 Termination of patent right due to non-payment of annual fee