CN1287921C - Stelmo line gas spray cooling device and method for high-speed wire rod mill - Google Patents
Stelmo line gas spray cooling device and method for high-speed wire rod mill Download PDFInfo
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- CN1287921C CN1287921C CN 200410050691 CN200410050691A CN1287921C CN 1287921 C CN1287921 C CN 1287921C CN 200410050691 CN200410050691 CN 200410050691 CN 200410050691 A CN200410050691 A CN 200410050691A CN 1287921 C CN1287921 C CN 1287921C
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Abstract
The present invention discloses a gas spray cooling device on a Stelmo line for a high-speed wire mill and a using method. The present invention can enhance the cooling intensity of the Stelmo line and simultaneously solve the problems of nonuniform contact organization and performance. The present invention provides a gas cooling device and a method, which has the technical scheme that gas cooling devices are symmetrically arranged at both sides of the upper position of an air cooling roller way in front of a Stelmo blower and behind a spinning machine, the contact point is intensively sprayed with gas and is cooled from the upper position of a coil contact point, the Stelmo air cooling line is cooled at the lower position, and gas is intensively blown to the contact point by an 'jialing device'; the intensity difference of contact and non contact of wires is decreased to 5 to 7MPa, and the integral intensity of wires can increased by 20 to 25MPa. The present invention has the technical scheme that iron scales at the surface of wires are reduced, acid consumption of secondary processing is reduced, surface quality is improved, environment temperature is reduced, and operating environment is improved.
Description
Technical field
The present invention relates to the equipment and the method for stress metal processing, aerosol cooling device and using method on especially a kind of rod-rolling mill stelmor cooling line.
Background technology
High-speed rod-rolling mill is when rolled wire, will be by Laying head with the wire rod lopping, be tiled on the rollgang then and be fed forward, and, wire rod is forced the blowing cooling by the array blower fan below the roller-way, distribute and the roller-way speed of service by change blower fan platform number, wind turbine air quantity, come the intensity of cooling of regulating winding, thereby make different steel grades, the wire rod of different-diameter obtains tissues needed and performance, and Here it is, and line is cooled off in traditional stelmor control.
Stelmo line is by the difference of control intensity of cooling, can be divided into standard type, postpone cooling type and force cooling type etc. several, no matter but all there is the problem of a coil overlapped points cooling velocity inequality in which kind of.As shown in Figure 1, wire rod is after Laying head 1 lopping, with the operation that overlaps forward of enclosing the land, the overlapped points place overlapping density of 2 coils is bigger, and it is slower to dispel the heat, when blower fan is dried from the bottom because the shielding action of inner coil, the air quantity that rides over top several deck wires acceptance is less, cooling velocity is slower, and the result causes the periodic from the beginning to the end structure property of wire rod poor, influences the performance of the use and the further deep processing of wire rod.Though adopted many methods to attempt to address the above problem both at home and abroad, as adopting " good spirit " device, make the coil overlapped points change the changing of the relative positions etc. to the air blast of overlapped points emphasis, employing roller-way segmentation speed governing, the problems referred to above still are difficult to thorough solution.With Chinese Baosteel wire rolling plants is example, and the intensity difference of overlapped points and non-overlapping point can reach 12～15MPa, and the factory of condition difference can reach 20～25MPa.Mill speed is higher, and it is thick that wire rod is healed close or gauge or diameter of wire is healed, and the problems referred to above are just more outstanding.
Summary of the invention
The invention provides a kind of aerosol cooling device and method, promptly behind Laying head, the top of one section air cooling roller-way before the stelmor blower fan, the aerosol cooler is set to bilateral symmetry, and earlier from coil overlapped points top, emphasis is to the spraying cooling of overlapped points place, Stanermo wind-cooling linear is air-cooled from the below more then, and utilize " Optiflox device " emphasis to the blowing of overlapped points place, so just can in the intensity of cooling that improves stelmo line, solve overlap joint tissue, the problem of performance inequality.
Aerosol cooling device provided by the invention comprises that two is one group aerosol cooler, the aerosol cooler is by shower nozzle, U type bearing, the spraying sleeve pipe, roller support, traversing carriage, elbow and metal hose, hold-down support, and pipeline and valve, drip tray is formed, shower nozzle, the spraying sleeve pipe, elbow is connected with valve with metal hose and pipeline, U type seat supports spraying sleeve pipe, and connection traversing carriage, the control traversing carriage can be around axle center rotation 20～30 degree angles, roller support is at the peripheral traversing carriage that supports of traversing carriage, hold-down support is fixing whole aerosol cooling device in the bottom, drip tray is installed in the below of stelmor roller-way, with the switch and the spray pattern of the whole aerosol cooler of PLC controls.
Shower nozzle is made up of inner sleeve, thread bush, mouth core, porous is adjustable overcoat ozzle, outer tube, screwed pipe, wherein inner sleeve water flowing, overcoat leads to compressed air, the outside of mouth core is made of three trapezoid spiral grooves, the mouth core is fixed on the inner sleeve tube wall by thread bush, porous is adjustable outer tube muzzle is fixed on the outer tube by screwed pipe outside the mouth core.
U type bearing is in order to supporting the spraying sleeve pipe, and traversing carriage can be rotated to an angle around its axle center, and the injection direction of nozzle is changed, and with wire rod overlapped points maintenance centering.Roller support and traversing carriage have then guaranteed the adjustment of aerosol cooler integral position, without aerosol cooler or replacing nozzle the time, it can be returned on the roller-way limit, and for adapting to this requirement, tracheae and water pipe all have one section to be metal hose, link to each other by elbow.
Aerosol cooling device provided by the invention in the method for using on the high-speed rod-rolling mill stelmo line is: wire rod comes out from Laying head after the lopping, enter the roller-way of stelmo line, according to the roller-way length that stelmo line provided, determine to use one or more groups aerosol cooler, per 1.0～the 1.5m of roller-way length places one group, every group be about the aerosol cooler of two parallel connections, be installed in the roller-way top, the ejection aerosol, two aerosol cooler while switches.Pass through valve regulated between each group, simultaneously switch or block switch.The aerosol cooler is earlier from the spraying cooling of coil overlapped points top, the current that certain pressure and flow are arranged by the inner sleeve ejection, with through outer tube, the compressed air of three trapezoidal screw channel ejections meets and produces rotation and mixes, form the water smoke of primary atomization, and then behind the aperture secondary-atomizing of the adjustable overcoat ozzle of porous, spray.The shower nozzle of a plurality of parallel connections will be set on a spraying sleeve pipe, and the injection direction difference of different shower nozzles, 2/3 nozzle is used to spray the wire rod overlapped points, and setting angle α is 8～12 °, and spray angle β is 25～35 °.1/3 shower nozzle is used to spray wire rod overlapped points part in addition, and setting angle α is 13～17 °, and spray angle β is 40～50 °.About the aerosol of two aerosol coolers should be as the criterion can cover whole winding comprehensively.After the spraying cooling, wire rod enters the Stanermo wind-cooling linear that has stay-warm case, and blower fan is air-cooled from the below blowing, and utilizes " Optiflox device " to dry to the overlapped points place.Be provided with under roller-way and prevent that the part water droplet from falling the drip tray below the stelmor roller-way, water discharges through drainpipe.
The aerosol cooler water yield provided by the invention, hydraulic pressure, tolerance, air pressure is all adjustable, be the water spray cooling during water flowing stuffiness, being jet cooling when only ventilating not water flowing, be the aerosol cooling during air water all-pass, and the atomizing cooling effect can change in a big way.Meanwhile, by regulating the screw thread of nozzle overcoat ozzle, the size of regulating the primary atomization chamber can obtain different fogdrop diameters and spray kinetic energy, is a kind of high adjusting ratio therefore, multiduty nozzle.
The present invention compared with prior art, the beneficial effect of its advantage and generation is embodied in:
1, takes node by the wire rod of aerosol cooling device and the non-intensity difference of taking node drops to 5～7MPa;
2, the wire rod bulk strength can improve 20～25MPa;
3, can reduce the iron scale of wire surface, the acid consumption when reducing secondary operations is improved surface quality;
4, reduce environment temperature, improved operating environment.
Description of drawings
Fig. 1 is the coil that comes out from Laying head and takes the site position schematic diagram;
Fig. 2 is an aerosol cooling device three-view diagram schematic diagram;
Fig. 3 is a shower nozzle assembling schematic diagram;
Fig. 4 is aerosol cooling device using method schematic diagram on stelmo line;
Fig. 5 is a nozzle setting angle α schematic diagram;
Fig. 6 is a shower nozzle spray angle β schematic diagram.
The specific embodiment
With embodiment the present invention is done more detailed description below in conjunction with accompanying drawing.
As shown in Figure 2, the aerosol cooling device uses one group of two aerosol cooler, is arranged symmetrically in stelmor roller-way both sides.The aerosol cooler reaches pipeline and valve 8, drip tray 9 compositions by shower nozzle 1, U type bearing 2, spraying sleeve pipe 3, roller support 4, traversing carriage 5, elbow and metal hose 6, hold-down support 7.Shower nozzle, spraying sleeve pipe, elbow are connected with valve with metal hose and pipeline, U type seat supports spraying sleeve pipe, and connect traversing carriage control it can be around axle center rotation 20～30 degree angles, roller support is at the peripheral traversing carriage that supports of traversing carriage, hold-down support is fixing whole aerosol cooling device in the bottom, and drip tray is installed in the below of stelmor roller-way.Switch and spray pattern with the whole aerosol cooler of PLC controls.
As shown in Figure 3, shower nozzle 1 is made by brass or stainless steel, forms wherein inner sleeve water flowing by inner sleeve 10, thread bush 11, mouth core 12, porous is adjustable overcoat ozzle 13, outer tube 14, screwed pipe 15, overcoat leads to compressed air, and the outside of mouth core is made of three trapezoid spiral grooves.The mouth core is fixed on the inner sleeve tube wall by thread bush, and porous is adjustable outer tube muzzle is supported on the outer tube by screwed pipe, and can regulates outside the mouth core.
The current that certain pressure is arranged by the inner sleeve ejection, with through outer tube, the compressed air of three trapezoidal screw channel ejections meets and produces strong rotation and mixes, and forms the water smoke of primary atomization, and then behind the aperture secondary-atomizing of the adjustable overcoat ozzle of porous, with certain kinetic energy and jet angle ejection.
The method that aerosol cooling device provided by the invention uses on the high-speed rod-rolling mill stelmo line as shown in Figure 4, wire rod comes out to enter the roller-way 2 that stelmo line provides from Laying head 1, roller-way length is 2.5m, determine to use one group of aerosol cooling device, about two aerosol coolers, be installed in roller-way top, ejection aerosol 3, two aerosol coolers keep relation in parallel, switch simultaneously.The shower nozzle of 9 parallel connections is set on each spraying sleeve pipe of aerosol cooler, and the injection direction of different shower nozzles is different with spray angle, 6 nozzles are used to spray the wire rod overlapped points.Shown in Fig. 5,6, setting angle α is 10 °, and spray angle β is 30 °.3 shower nozzles are used to spray wire rod overlapped points part in addition, and setting angle α is 15 °, and spray angle β is 45 °.About the aerosol of two sprayers should be as the criterion can cover whole winding comprehensively.Earlier from the spraying cooling of coil overlapped points top, wire rod enters Stanermo wind-cooling linear 4 then, blower fan 5 is air-cooled from the below blowing, and utilize " Optiflox device " to dry to the overlapped points place, be provided with under roller-way and prevent that the part water droplet from falling the drip tray 6 below the stelmor roller-way, water discharges through drainpipe.
Claims (2)
1, aerosol cooling device on a kind of high-speed rod-rolling mill stelmor cooling line, comprise that two is one group aerosol cooler, the aerosol cooler is by shower nozzle, U type bearing, the spraying sleeve pipe, roller support, traversing carriage, elbow and metal hose, hold-down support, and pipeline and valve, drip tray is formed, shower nozzle, the spraying sleeve pipe, elbow is connected with valve with metal hose and pipeline, U type seat supports spraying sleeve pipe, and connection traversing carriage, the control traversing carriage can be around axle center rotation 20～30 degree angles, roller support is at the peripheral traversing carriage that supports of traversing carriage, hold-down support is fixing whole aerosol cooling device in the bottom, drip tray is installed in the below of stelmor roller-way, switch and spray pattern with the whole aerosol cooler of PLC controls, shower nozzle is by inner sleeve, thread bush, the mouth core, porous is adjustable overcoat ozzle, outer tube, screwed pipe is formed, wherein inner sleeve water flowing, outer tube leads to compressed air, the outside of mouth core is made of three trapezoid spiral grooves, the mouth core is fixed on the inner sleeve tube wall by thread bush, porous is adjustable outer tube muzzle is fixed on the outer tube by screwed pipe outside the mouth core.
2, the described aerosol cooling device of claim 1 using method, wire rod comes out from Laying head after the lopping, enter the roller-way of stelmo line, according to the roller-way length that stelmo line provided, determine to use one or more groups aerosol cooler, per 1.0～the 1.5m of roller-way length places one group, every group be about the aerosol cooler of two parallel connections, be installed in the roller-way top, the ejection aerosol, two aerosol cooler while switches, pass through valve regulated between each group, while switch or block switch, the aerosol cooler is earlier from the spraying cooling of coil overlapped points top, the current that certain pressure and flow are arranged by the inner sleeve ejection, with through outer tube, the compressed air of three trapezoid spiral groove ejections meets and produces rotation and mixes, form the water smoke of primary atomization, and then behind the aperture secondary-atomizing of the adjustable overcoat ozzle of porous, spray, the shower nozzle of a plurality of parallel connections will be set on a spraying sleeve pipe, and the injection direction difference of different shower nozzles, 2/3 nozzle is used to spray the wire rod overlapped points, setting angle (α) is 8～12 °, spray angle (β) is 25～35 °, 1/3 shower nozzle is used to spray wire rod overlapped points part in addition, setting angle (α) is 13～17 °, spray angle (β) is 40～50 °, about the aerosol of sprayer of two aerosol coolers should be as the criterion can cover whole winding comprehensively, after the spraying cooling, wire rod enters the Stanermo wind-cooling linear that has stay-warm case, and blower fan is air-cooled from the below blowing, and utilizes " Optiflox device " to dry to the overlapped points place, be provided with under roller-way and prevent that the part water droplet from falling the drip tray below the stelmor roller-way, water discharges through drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050691 CN1287921C (en) | 2004-10-28 | 2004-10-28 | Stelmo line gas spray cooling device and method for high-speed wire rod mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050691 CN1287921C (en) | 2004-10-28 | 2004-10-28 | Stelmo line gas spray cooling device and method for high-speed wire rod mill |
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| Publication Number | Publication Date |
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| CN1603021A CN1603021A (en) | 2005-04-06 |
| CN1287921C true CN1287921C (en) | 2006-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410050691 Expired - Fee Related CN1287921C (en) | 2004-10-28 | 2004-10-28 | Stelmo line gas spray cooling device and method for high-speed wire rod mill |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101480669B (en) * | 2008-01-07 | 2011-04-13 | 宝山钢铁股份有限公司 | Stelmor line cooling method and cooling apparatus of high-speed rod-rolling mill |
| CN101618405B (en) * | 2009-07-21 | 2013-02-27 | 南通宝钢钢铁有限公司 | Adjustable ring-shaped spiral-flow type cooling method |
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| CN100453194C (en) * | 2005-12-07 | 2009-01-21 | 首钢总公司 | Control cooling method of resolving self-break while producing high-carbon wire rod |
| CN101664764B (en) * | 2009-09-22 | 2011-08-31 | 武汉钢铁(集团)公司 | Stelmor cooling control technique |
| CN102451841B (en) * | 2010-10-22 | 2014-04-30 | 宝山钢铁股份有限公司 | System and method for cooling high-carbon steel wire rod after rolling |
| CN102248012B (en) * | 2011-07-26 | 2013-05-08 | 杨海西 | Cooling device and method for hot-rolling process of wire rod |
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| CN104438384B (en) * | 2014-12-23 | 2016-05-25 | 江苏东方成套设备制造有限公司 | Valve snail is rolled rear cooling device |
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| US10611115B2 (en) | 2015-05-29 | 2020-04-07 | Koyo Thermo Systems Co., Ltd. | Tank cooling device |
| CN104985018B (en) * | 2015-07-07 | 2017-06-30 | 河北钢铁股份有限公司 | Improve the production method of high-carbon steel wire rod iron scale pickling performance |
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| CN107497867A (en) * | 2017-09-21 | 2017-12-22 | 江苏省沙钢钢铁研究院有限公司 | A kind of stelmor cooling method for improving the wire rod uniformity of tool steel 6150 |
| CN108339859B (en) * | 2018-01-11 | 2020-01-17 | 上海大学 | Stelmor air cooling line and air box tuyere structure thereof |
| CN109556334A (en) * | 2018-10-15 | 2019-04-02 | 徐州振丰原喷灌设备有限公司 | A kind of novel atomizing cooling system |
| CN110976530B (en) * | 2019-12-03 | 2021-07-30 | 中天钢铁集团有限公司 | Rapid cooling device and rapid cooling method for high-speed wire |
| CN111250555B (en) * | 2020-01-21 | 2021-07-16 | 江苏省沙钢钢铁研究院有限公司 | Cooling device for acid-washing-free welding wire steel wire rod and using method |
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-
2004
- 2004-10-28 CN CN 200410050691 patent/CN1287921C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480669B (en) * | 2008-01-07 | 2011-04-13 | 宝山钢铁股份有限公司 | Stelmor line cooling method and cooling apparatus of high-speed rod-rolling mill |
| CN101618405B (en) * | 2009-07-21 | 2013-02-27 | 南通宝钢钢铁有限公司 | Adjustable ring-shaped spiral-flow type cooling method |
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| Publication number | Publication date |
|---|---|
| CN1603021A (en) | 2005-04-06 |
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Granted publication date: 20061206 Termination date: 20121028 |