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CN203875118U - Hot rolling working roll off-line cooling device capable of improving cooling efficiency - Google Patents

Hot rolling working roll off-line cooling device capable of improving cooling efficiency Download PDF

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Publication number
CN203875118U
CN203875118U CN201420236092.9U CN201420236092U CN203875118U CN 203875118 U CN203875118 U CN 203875118U CN 201420236092 U CN201420236092 U CN 201420236092U CN 203875118 U CN203875118 U CN 203875118U
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CN
China
Prior art keywords
cooling
water
upset cylinder
roll
valve
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
CN201420236092.9U
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Chinese (zh)
Inventor
李正团
李伟
崔瑞甲
徐宏伟
冯志权
朱印涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Iron and Steel Group Co Ltd Chengde Branch
Original Assignee
Hebei Iron and Steel Group Co Ltd Chengde Branch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Iron and Steel Group Co Ltd Chengde Branch filed Critical Hebei Iron and Steel Group Co Ltd Chengde Branch
Priority to CN201420236092.9U priority Critical patent/CN203875118U/en
Application granted granted Critical
Publication of CN203875118U publication Critical patent/CN203875118U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hot rolling working roll off-line cooling device capable of improving cooling efficiency, and belongs to the technical field of hot rolling working roll cooling devices. The hot rolling working roll off-line cooling device is used for carrying out off-line cooling on a hot rolling working roll. According to the technical scheme, the lower end of the cylinder body ofa turnover air cylinder of the device is hinged to the middle of a stand column, the front end of an air cylinder push rod of the turnover air cylinder is connected with one end of a turnover cross beam, the other end of the turnover cross beam is connected with the upper end of the stand column through a bearing, one end of a water beam is connected with the end, close to stand column, of the turnover cross beam in a welding mode, a locating plate is welded to the upper end of the stand column, the locating plate is in contact with the highest rotating point of the turnover cross beam, the turnover air cylinder is connected with a pneumatic pipeline, the water beam is connected with a water supply pipeline, and nozzles are evenly distributed on the water beam. According to the device, cooling water can evenly cover the surface of the roll, the influence of outside factors on the roll cooling effect is reduced, the influence of uneven temperature on the grinding precision of the roll is eliminated, the roll cooling efficiency and effect are effectively improved, and the obvious economic benefits are achieved.

Description

A kind of Heat Working Rolls device for offline cooling that can improve cooling effectiveness
Technical field
The utility model relates to and a kind of Heat Working Rolls is carried out to the cooling device of off-line, belongs to Heat Working Rolls cooling device technical field.
Background technology
In hot rolling is produced, product quality requires high, so breaker roll required precision is very high, and roll in use will carry out room temperature grinding.Because Heat Working Rolls is at machine inclement condition, directly contact with high temperature slab, lower machine temperature can reach 50-60 ℃, if then at least 24 hours ability cool to room temperature of naturally cooling needs just can carry out grinding, has a strong impact on roll week transfer efficient.The at present lower cooling mode that generally adopts water-cooled of machine working roll, cooling water spray from bottom to top, this device in use has many limitation: first, cooling water nozzle in use owing to colliding with, hydraulic pressure impacts and the reason such as gravity use a period of time after angle can change, affect cooling effect, need artificial adjustment, increase workman's labour intensity; The second, useful spray mode from bottom to top, the impact that jetting height is subject to hydraulic pressure is larger, water pressure fluctuations can cause the fluctuation of height of jet, also cooling effect that can breaker roll has a huge impact, and causes roller temperature inhomogeneous, directly has influence on precision after the mill of roll; The 3rd, cooling flow cannot regulate, and when changes in flow rate, cooling water height change is larger, cannot adjust.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Heat Working Rolls device for offline cooling that can improve cooling effectiveness, adopt this device can reduce the impact of extraneous factor breaker roll cooling effect, elimination, due to the impact of the rear precision of the uneven breaker roll mill of temperature, effectively improves roll cooling effectiveness and effect.
The technical scheme solving the problems of the technologies described above is:
A kind of Heat Working Rolls device for offline cooling that can improve cooling effectiveness, its formation comprises base plate, column, upset cylinder, location-plate, turning beam, water beam, column is vertically fixed on ground by base plate, the cylinder body lower end of upset cylinder is by being articulated and connected at the middle part of column, the front end of cylinder push-rod and one end of turning beam of upset cylinder are connected, the other end of turning beam is connected by bearing with column upper end, one end of water beam and turning beam are welded to connect near one end of column, location-plate is welded on the upper end of column, location-plate contacts at rotation peak with turning beam, upset cylinder is connected with pneumatic line, water beam is connected with supply channel, on water beam, be evenly distributed with nozzle.
The above-mentioned Heat Working Rolls device for offline cooling that can improve cooling effectiveness, described water beam is two, two water Liangping row, the cooling roll of two rows is placed respectively in the below of two water beams, and one end of two water beams is connected with supply channel by threeway.
The above-mentioned Heat Working Rolls device for offline cooling that can improve cooling effectiveness, described pneumatic line is comprised of compressed air line, air hand stop valve, pneumatic triple piece, exhaust shutter, upset cylinder control valve, air hand stop valve, pneumatic triple piece, exhaust shutter, upset cylinder control valve are arranged in compressed air line successively, and upset cylinder control valve is connected with upset cylinder.
The above-mentioned Heat Working Rolls device for offline cooling that can improve cooling effectiveness, described supply channel is comprised of cooling water pipe, cooling water hand stop valve, cooling water choke valve, electric check valve, self-upright pressure-differential control valve, cooling water hand stop valve is arranged on the water inlet of cooling water pipe, cooling water choke valve, electric check valve, self-upright pressure-differential control valve are arranged in cooling water pipe successively, and self-upright pressure-differential control valve is connected with Shui Liang by cooling water pipe.
Beneficial effect of the present utility model is really:
The utility model drives turning beam to rotate by upset cylinder, and one end of turning beam is connected with Shui Liang, and turning beam drops to water beam directly over roll, and cooling water directly waters and pours roll barrel from roll top; By the adjustment of pressure-regulating valve and flow control valve, the water yield, the pressure of assurance water beam cooling water are not subject to the impact of main pipe pressure fluctuation; Nozzle is by considering that roll surface is to water depth of beam, design nozzle angle.The utility model reaches the object of cooling water uniform fold roller surface by above innovative design, reduced the impact of extraneous factor breaker roll cooling effect, eliminated the impact due to precision after the uneven breaker roll mill of temperature, effectively improve roll cooling effectiveness and effect, there is significant economic benefit, realize the electronic control of cooling water simultaneously, reduced operating personnel's labour intensity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the schematic diagram of pneumatic line;
Fig. 4 is the schematic diagram of supply channel.
In figure, mark is as follows: base plate 1, column 2, upset cylinder 3, location-plate 4, turning beam 5, water beam 6, threeway 7, air hand stop valve 8, pneumatic triple piece 9, exhaust shutter 10, upset cylinder control valve 11, cooling water hand stop valve 12, cooling water choke valve 13, electric check valve 14, self-upright pressure-differential control valve 15, cooling water pipe 16, cooling roll 17, compressed air line 18.
The specific embodiment
Formation of the present utility model comprises base plate 1, column 2, upset cylinder 3, location-plate 4, turning beam 5, water beam 6 and pneumatic line, supply channel.
In figure, show, base plate 1 is welded to connect with column 2, has screw hole to be connected with foundation bolt on base plate 1.The cylinder body lower end of upset cylinder 3 is by being articulated and connected at the middle part of column 2, and the front end of the cylinder push-rod of upset cylinder 3 is connected with one end of turning beam 5, and the other end of turning beam 5 is connected by bearing with column 2 upper ends.Location-plate 4 is welded on the upper end of column 2, and location-plate 4 contacts at rotation peak with turning beam 5, for the position of positioning turning crossbeam 5.Upset cylinder 3 is connected with pneumatic line, and water beam is connected with supply channel.。
In figure, show, one end of water beam 6 and turning beam 5 are welded to connect near one end of column 2.Water beam 6 is two, and two water beams 6 are parallel, and one end that 17, two water beams 6 of the cooling roll of two rows are placed respectively in the below of two water beams 6 is connected with supply channel by threeway 7, and Shui Liangshang is evenly distributed with nozzle.
In figure, show, pneumatic line is comprised of compressed air line 18, air hand stop valve 8, pneumatic triple piece 9, exhaust shutter 10, upset cylinder control valve 11.Air hand stop valve 8, pneumatic triple piece 9, exhaust shutter 10, upset cylinder control valve 11 are arranged in compressed air line 18 successively, and upset cylinder control valve 11 is connected with upset cylinder 3.
In figure, show, supply channel is comprised of cooling water pipe 16, cooling water hand stop valve 12, cooling water choke valve 13, electric check valve 15, self-upright pressure-differential control valve 15.Cooling water hand stop valve 12 is arranged on the water inlet of cooling water pipe 16, cooling water choke valve 13, electric check valve 14, self-upright pressure-differential control valve 15 are arranged in cooling water pipe 16 successively, and self-upright pressure-differential control valve 15 is connected with water beam 6 by cooling water pipe 16.Electric check valve 15 band manual reset devices, self-upright pressure-differential control valve 15 is with inner pressure and outside pressure.
The course of work of the present utility model is as follows:
Start operation., upset cylinder control valve 11 coil obtain electric, band moving valve action, the plug side air inlet of upset cylinder 3, the exhaust of bar side, the cylinder push-rod of upset cylinder 3 extends, simultaneously by exhaust regulating valve 10 adjusting exhaust velocities, control action speed.The cylinder push-rod of upset cylinder 3 stretches out, and promotes turning beam 5 and upwards rotates, and while contacting with location-plate 4, stops, water beam 6 drops to horizontal level, opens cooling water hand stop valve 12 by hand, opens electric check valve 14, water beam 6 water outlet of starting working, water waters on cooling roll 17 uniformly.By adjusting cooling water choke valve 13 and self-upright pressure-differential control valve 15, control cooling water flow and pressure.
Stop operation.Close electric check valve 14, manual-lock cooling water hand stop valve 12, water beam 6 stops water spray, and the coil of upset cylinder control valve 11 obtains electric, the action of band moving valve, control the 3 bar side air inlets of upset cylinder, the exhaust of plug side, by the speed of exhaust shutter 10 control actions, upset cylinder 3 pulls turning beam 5 to move downward, during the next contact of turning beam 5 and location-plate 4, water beam 6 is raised to highest order.

Claims (4)

1. the Heat Working Rolls device for offline cooling that can improve cooling effectiveness, it is characterized in that: its formation comprises base plate (1), column (2), upset cylinder (3), location-plate (4), turning beam (5), water beam (6), column (2) is vertically fixed on ground by base plate (1), the cylinder body lower end of upset cylinder (3) is by being articulated and connected at the middle part of column (2), the front end of the cylinder push-rod of upset cylinder (3) is connected with one end of turning beam (5), the other end of turning beam (5) is connected by bearing with column (2) upper end, one end of water beam (6) and turning beam (5) are welded to connect near one end of column (2), location-plate (4) is welded on the upper end of column (2), location-plate (4) contacts at rotation peak with turning beam (5), upset cylinder (3) is connected with pneumatic line, water beam (6) is connected with supply channel, water beam is evenly distributed with nozzle on (6).
2. the Heat Working Rolls device for offline cooling that can improve cooling effectiveness according to claim 1, it is characterized in that: described water beam (6) is two, article two, water beam (6) is parallel, article two, the cooling roll of two rows (17) is placed respectively in the below of water beam (6), and one end of two water beams (6) is connected with supply channel by threeway (7).
3. the Heat Working Rolls device for offline cooling that can improve cooling effectiveness according to claim 2, it is characterized in that: described pneumatic line is comprised of compressed air line (18), air hand stop valve (8), pneumatic triple piece (9), exhaust shutter (10), upset cylinder control valve (11), air hand stop valve (8), pneumatic three (9) parts, exhaust shutter (10), upset cylinder control valve (11) are arranged in compressed air line (18) successively, and upset cylinder control valve (11) is connected with upset cylinder (3).
4. the Heat Working Rolls device for offline cooling that can improve cooling effectiveness according to claim 3, it is characterized in that: described supply channel is by cooling water pipe (16), cooling water hand stop valve (12), cooling water choke valve (13), electric check valve (14), self-upright pressure-differential control valve (15) forms, cooling water hand stop valve (12) is arranged on the water inlet of cooling water pipe (16), cooling water choke valve (13), electric check valve (14), self-upright pressure-differential control valve (15) is arranged in cooling water pipe (16) successively, self-upright pressure-differential control valve (15) is connected with water beam (6) by cooling water pipe (16).
CN201420236092.9U 2014-05-09 2014-05-09 Hot rolling working roll off-line cooling device capable of improving cooling efficiency Expired - Fee Related CN203875118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420236092.9U CN203875118U (en) 2014-05-09 2014-05-09 Hot rolling working roll off-line cooling device capable of improving cooling efficiency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420236092.9U CN203875118U (en) 2014-05-09 2014-05-09 Hot rolling working roll off-line cooling device capable of improving cooling efficiency

Publications (1)

Publication Number Publication Date
CN203875118U true CN203875118U (en) 2014-10-15

Family

ID=51675661

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN203875118U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106040746A (en) * 2016-06-21 2016-10-26 首钢京唐钢铁联合有限责任公司 Method and device for cooling roller
CN114345945A (en) * 2021-12-27 2022-04-15 鞍钢集团工程技术有限公司 Automatic spraying and oiling device and method for roller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106040746A (en) * 2016-06-21 2016-10-26 首钢京唐钢铁联合有限责任公司 Method and device for cooling roller
CN114345945A (en) * 2021-12-27 2022-04-15 鞍钢集团工程技术有限公司 Automatic spraying and oiling device and method for roller

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141015