CN103357677A - Cooling equipment for large bar material - Google Patents
Cooling equipment for large bar material Download PDFInfo
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- CN103357677A CN103357677A CN2013102961865A CN201310296186A CN103357677A CN 103357677 A CN103357677 A CN 103357677A CN 2013102961865 A CN2013102961865 A CN 2013102961865A CN 201310296186 A CN201310296186 A CN 201310296186A CN 103357677 A CN103357677 A CN 103357677A
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Abstract
The invention discloses cooling equipment for a large bar material, which is used for cooling a bar material (11) after rolling. The cooling equipment is equipped with a short passing water cooler; the bar material (11) penetrates through the short passing water cooler; a water spraying box (2) is arranged on the short passing water cooler at the entering end part of the bar material (11); an annular nozzle (3) is arranged on the spraying box (2). Through adopting the technical scheme, the fast cooling capacity is improved, sufficient cooling is achieved, stability and uniformity of cooling are achieved, and the manufacture requirement of passing water cooling manufacture technology for rolling the large bar material (Phi 60-Phi 150 mm) is satisfied; the products can be manufactured are various and have a wide specification range; the position change is convenient and fast; the bar material product subjected to passing water cooling has increased performance with obvious economical benefits; the cooling equipment is safe and reliable in use, saves energy, protects the environment and is easy for popularization.
Description
Technical field
The invention belongs to the technical field of metallurgical industry production equipment, be specifically related to a kind of large-scale bar cooling processing equipment.
Background technology
In the production and processing of bearing steel, the control cooling mainly is in order to control the net carbide rank.In process of production, in the cooling procedure after hot rolling finishes, separate out network-like excess carbon compound (proeutectoid carbide), i.e. net carbide along austenite grain boundary.Finishing temperature cooling velocity higher and subsequently is slower, and Carbide Precipitation is more serious.
In the prior art, the type of cooling behind the large-scale rolled bar can not guarantee its cooling effect.Wearing the water cooling technical elements, what at present industry can be accomplished all is wire rod, at aspects such as effective water cooling equipment research of large-scale bar, exploitations, also is in space state.
Summary of the invention
The invention provides a kind of large-scale bar cooling device, its objective is quick, the fully cooling that realize bar.
To achieve these goals, the technical scheme taked of the present invention is:
Large-scale bar cooling device provided by the invention is applied to the cooling behind the rolling bar, and described cooling device is provided with short passing water cooler, and described bar passes from short passing water cooler; The end that enters at described short passing water cooler bar is provided with water spray chamber, and described water spray chamber is provided with nozzle ring.
At the bar port of export of described short passing water cooler, be provided with and regurgitate water blocking device.
Be provided with Wen's tube coupling in the described short passing water cooler.
Be provided with recovery tank at described short passing water cooler, described recovery tank is at Wen's tube coupling and regurgitate between the water blocking device.
The quantity of described short passing water cooler is two or more, between two short passing water coolers, and support roller in the middle of establishing.
Described short passing water cooler is installed in to be worn on the water dolly.
The described water dolly of wearing drives by shift drive.
Wear on the water dolly described, be provided with cooling station and empty station of crossing of a plurality of bars.
The bar specification is all unequal on each station.
In the end the end of a short passing water cooler is established annular air jet device.
The place ahead of described short passing water cooler or rear arrange the empty frequency conversion roller-way of crossing.Perhaps at the place ahead and the rear of described short passing water cooler, the empty frequency conversion roller-way of crossing is set all.
The present invention adopts technique scheme, improved quick cooling capacity, realized the stability, uniformity of sufficient cooling and cooling, can satisfy the requirement of wearing the water cooling production technology of rolling large-scale bar (Φ 60～Φ 150mm), and the product variety of producing is many, specification limit is large, transposition is convenient rapidly, and the bar properties of product of wearing after the water cooling improve, and economic benefit is obvious; Safe and reliable, energy-conserving and environment-protective, be easy to popularize.
Description of drawings
Fig. 1 is the schematic diagram that rolled steel bar of the present invention is worn the water cooling treatment facility;
Fig. 2 is the sectional schematic diagram that rolled steel bar of the present invention is worn the water cooling treatment facility.
Be labeled as among the figure:
1, guiding nozzle, 2, water spray chamber, 3, nozzle ring, 4, Wen's tube coupling, 5, recovery tank, 6, regurgitate water blocking device, 7, middle support roller, 8, annular air jet device, 9, the empty frequency conversion roller-way of crossing, 10, wear the water dolly, 11, bar, 12, shift drive, 13, the water supply control valve, 14, water supply hose.
The specific embodiment
The below contrasts accompanying drawing, and the description by to embodiment is described in further detail the specific embodiment of the present invention.
Structure of the present invention as shown in Figure 1 and Figure 2 is a kind of large-scale bar cooling device, is used for bar 11 cooling after rolling.
Large-scale bar cooling device of the present invention, carrying roller, cooler (namely wearing the water body), multistation are worn water dolly, shift drive, bypass roller-way, high-pressure hydraulic pump and the compositions such as pipe-line system, Examination system of instrument, electric control system and compressed air system before and after mainly comprising.
More particularly, in order to solve the problem that prior art exists and to overcome its defective, realize bar fast, the abundant goal of the invention of cooling, the technical scheme that the present invention takes is:
As shown in Figure 1 and Figure 2, large-scale bar cooling device provided by the invention, described cooling device is provided with short passing water cooler, and described bar 11 passes from short passing water cooler; The end that enters at the bar 11 of described short passing water cooler is provided with water spray chamber 2, and described water spray chamber 2 is provided with nozzle ring 3.
So-called nozzle ring 3 refers to a lot of nozzles, is looped around outside the circumference of bar 11, and injection direction is towards the surface of bar 11.
The form of the cooler that bar 11 Steel Rolling Control cooling water tanks adopt can adopt two bushing types, nozzle ring formula and spiral-flow type cooler etc.The cooler of wearing water is to make to roll the key equipment that the quick cooling of rear bar on-line reaches the red temperature of technological requirement afterwards again.
For large section bar, return red time surface in order to ensure bar consistent with central temperature, relatively applicable the interruption fast cools off, namely adopt two sections (or multistage) water tanks to cool off fast, allow bar 11 in cooling procedure, surface temperature has a rise process, is unlikely to cause the excessive temperature differentials of surface and core.
Entry port place at the bar 11 of short passing water cooler is provided with guiding nozzle 1, and bar 11 enters short passing water cooler from guiding nozzle 1.Guiding nozzle 1 be one with the structure of taper hole, make things convenient for entering of bar 11.
The present invention is take common turbid circulating water as cooling medium, and price is low, and is easy to use.But because bar 11 is during by cooler, the surface forms one deck steam blanket, can greatly weaken the effect of water-cooled, therefore, must strengthen bath pressure, or changes water flow mode in order to the breaking of steam blanket, and increases cooling effect.
What the stability, uniformity that technique scheme has improved cooling capacity and cooling all can satisfy rolling large-scale bar (Φ 60～Φ 150mm) wears the water cooling manufacturing technique requirent, and it is large to produce variety range, transposition is rapidly convenient, wears the water performance test and improves, and economic benefit is obvious.In a word, technical scheme of the present invention, safe and reliable, energy-conserving and environment-protective easily popularize.
At bar 11 ports of export of described short passing water cooler, be provided with and regurgitate water blocking device 6.
Every section short passing water cooler by water spray chamber 2 high-pressure water inlet water inlet tubes in, by regurgitating water blocking device 6 cooling water supplies, the inlet pipeline of regurgitating water blocking device 6 is provided with the water supply control valve, separately adjust flux.
Be provided with Wen's tube coupling 4 in the described short passing water cooler.Wen's tube coupling 4 is the cavity of Bamboo-shaped, makes in the cavity of cooling water between bar 11 and Wen's tube coupling 4 and forms turbulent flow, and the water movement complex forms colds and heat succeed each other fully, improves cooling effect.
Since bar 11 from milling train temperature out generally about 900 ℃, has certain rigidity, under the condition that deflection allows, large-scale bar 11 is held by former and later two carrying rollers of wearing the water device (the empty frequency conversion roller-way 9 of crossing), whole bar 11 does not contact with wearing water-cooling apparatus, and the cooling water that fills up motion in the cavity cools off, and forms turbulent flow in the chamber of Wen's tube coupling 4, fully cool off, greatly improved cooling effectiveness.
Wear water dolly 10 when wearing the work of water conservancy project position, large-scale bar 11 is crossed frequency conversion roller-way 9 from sky and is entered via guiding nozzle 1 and wear the water body, nozzle ring 3 ejection cooling waters by water spray chamber 2, water coolers wraps the surface of the bar that advances, and produces turbulent flow in Wen's tube coupling 4, obtains efficient cooling effectiveness, cooling water is discharged by recovery tank 5, regurgitate water blocking device 6 play block water, the water shutoff effect, bar 11 evenly blows down the cooling water of surface attachment through after regurgitating water blocking device 6 through annular air jet device 8.
Be provided with recovery tank 5 at described short passing water cooler, described recovery tank 5 is at Wen's tube coupling 4 and regurgitate between the water blocking device 6.
The quantity of described short passing water cooler is two or more, between two short passing water coolers, and support roller 7 in the middle of establishing.The effect of middle support roller 7 is to cross frequency conversion roller-way 9 with the sky of front and back, bar 11 is formed support, and makes it keep good rectilinear motion state.
Adopt the purpose of a plurality of short passing water coolers to be to allow bar 11 in cooling procedure, surface temperature has a rise process, is unlikely to cause the excessive temperature differentials of surface and core.
Described short passing water cooler is installed in to be worn on the water dolly 10.
The described water dolly 10 of wearing drives by shift drive 12.This shift drive 12 is hydraulically powered mechanism.Control cooling package unit is that the hydraulic moving dolly moves into or withdraw from roll line by shift drive 12.
As shown in Figure 2, wear on the water dolly 10 described, be provided with a plurality of stations, comprise cooling station and empty station of crossing of a plurality of bars.Bar 11 specifications can equate on each station, also can be all unequal.
Technique scheme, so that the product variety of producing is many, specification limit is large, transposition is rapidly convenient, can satisfy the requirement of wearing the water cooling production technology of rolling large-scale bar (Φ 60～Φ 150mm).
The place ahead of described short passing water cooler or rear arrange the empty frequency conversion roller-way 9 of crossing.Perhaps at the place ahead and the rear of described short passing water cooler, the empty frequency conversion roller-way 9 of crossing is set all.Empty effect of crossing frequency conversion roller-way 9 is to make bar 11 and short passing water cooler form uniform cooling cavity, guarantees that bar 11 surface cool are even.
A whole set of water cooling equipment comprises that many multistation wear 10, two in water dolly and wear one section empty frequency conversion roller-way 9 of crossing is installed between the water dolly 10, bar 11 what wear that water-cooling apparatus takes is the mode that multistage is interrupted cooling.
Wearing of multistation is provided with the empty water-cooling apparatus of wearing of crossing frequency conversion roller-way 9 and three kind of specification side by side on the water dolly 10, wear water dolly 10 by shift drive 12 conversion stations; The supply channel of wearing water dolly 10 by a total water supply hose 14 with form with water-cooling apparatus water spray chamber 2 arms that link to each other, that water supply control valve 13 is installed of wearing of three kinds of specifications.
Entering before next wears water dolly 10, bar 11 will through one section empty roller-way of crossing, so that bar 11 temperature in cooling procedure has a rise process, reduce the temperature difference of surface and core.
When not needing to wear water cooling and process, wear water dolly 10 by shift drive 12 transpositions to the empty station of crossing, and cross roller-way by the sky on the dolly and substitute water cooling equipment and transmit bar 11.The empty roller-way of crossing adopts U-shaped carrying roller to transmit, and bar 11 automatic centerings need not to install gear wheel centering location.
Be to satisfy the different actual requirements of producing, wear water dolly 10 and also can arrange by double or three stations, namely add 1 or 2 and wear the water conservancy project position and make up by 1 empty station of crossing.
By shown in Figure 1, the present invention can be provided with many four work position hydraulic translations that the turbulent pipe cooler is installed and wear water dolly 10, wears and establishes electronic empty several channel water ice chests of crossing frequency conversion roller-way 9, different size on the water dolly 10, replaces by Electrohydraulic push rod.Adopt every to wear two sections short passing water coolers of installation on the water dolly 10, the centre adds the mode of carrying roller, to guarantee the handling capacity of major diameter bar 11.
In the end the end of a short passing water cooler is established annular air jet device 8.Namely shown in Fig. 1, at the short water afterbody of wearing of second segment annular air jet device 8 is installed.The purpose that annular air jet device 8 is set is thoroughly to remove the cooling water on bar 11 surfaces.
As shown in Figure 1, rolled steel bar of the present invention is worn the water cooling treatment facility, the body of wearing water-cooling apparatus is comprised of two sections short passing water coolers, each short passing water cooler is mainly by importing mouth 1, water spray chamber 2, nozzle ring 3, Wen's tube coupling 4, recovery tank 5, regurgitating water blocking device 6 and annular air jet device 8 forms short passing water cooler, wear for two sections short middle support roller 7 is installed between the water, second segment is worn the water afterbody annular air jet device 8 is installed, empty excessively frequency conversion roller-way 9 partial fixings are installed in wears water dolly 10 both sides, and another part is installed in to be worn on the water dolly 10.
As shown in Figure 2, wear passing water cooler that three kinds of specifications are installed on the water dolly 10 and one section empty frequency conversion roller-way 9 of crossing, the corresponding water dolly 10 of wearing is worn water conservancy project position I, wears water conservancy project position II, is worn water conservancy project position III and empty four work stations such as station IV of crossing.Every section cooling water of wearing water provides by water supply hose 14, by opening and closing and the water supply control valve 13 of respectively wearing the water conservancy project position and linking to each other, the switching of the station that can supply water very easily.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (10)
1. one kind large-scale bar cooling device is applied to the cooling of bar (11) after rolling, and it is characterized in that: described cooling device is provided with short passing water cooler, and described bar (11) passes from short passing water cooler; Bar (11) at described short passing water cooler enters the end, is provided with water spray chamber (2), and described water spray chamber (2) is provided with nozzle ring (3).
2. according to large-scale bar cooling device claimed in claim 1, it is characterized in that: at bar (11) port of export of described short passing water cooler, be provided with and regurgitate water blocking device (6).
3. according to large-scale bar cooling device claimed in claim 2, it is characterized in that: be provided with Wen's tube coupling (4) in the described short passing water cooler.
4. according to large-scale bar cooling device claimed in claim 3, it is characterized in that: be provided with recovery tank (5) at described short passing water cooler, described recovery tank (5) is positioned at Wen's tube coupling (4) and regurgitates between the water blocking device (6).
5. according to claim 1 or 2 or 3 or 4 described large-scale bar cooling devices, it is characterized in that: the quantity of described short passing water cooler is two or more, between two short passing water coolers, and support roller (7) in the middle of establishing.
6. according to claim 1 or 2 or 3 or 4 described large-scale bar cooling devices, it is characterized in that: described short passing water cooler is installed in to be worn on the water dolly (10).
7. according to large-scale bar cooling device claimed in claim 6, it is characterized in that: the described water dolly (10) of wearing drives by shift drive (12).
8. according to large-scale bar cooling device claimed in claim 6, it is characterized in that: wear on the water dolly (10) described, be provided with cooling station and empty station of crossing of a plurality of bars (11).
9. according to claim 1 or 2 or 3 or 4 described large-scale bar cooling devices, it is characterized in that: the end of a short passing water cooler in the end, establish annular air jet device (8).
10. according to claim 1 or 2 or 3 or 4 described large-scale bar cooling devices, it is characterized in that: the place ahead of described short passing water cooler or rear arrange the empty frequency conversion roller-way (9) of crossing; Perhaps at the place ahead and the rear of described short passing water cooler, the empty frequency conversion roller-way (9) of crossing is set all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310296186.5A CN103357677B (en) | 2013-07-15 | 2013-07-15 | Cooling equipment for large bar material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310296186.5A CN103357677B (en) | 2013-07-15 | 2013-07-15 | Cooling equipment for large bar material |
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| CN103357677A true CN103357677A (en) | 2013-10-23 |
| CN103357677B CN103357677B (en) | 2015-05-20 |
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| CN201310296186.5A Active CN103357677B (en) | 2013-07-15 | 2013-07-15 | Cooling equipment for large bar material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551403A (en) * | 2013-10-29 | 2014-02-05 | 中冶建筑研究总院有限公司 | Controlled rolling and controlled cooling system for bars |
| CN104785554A (en) * | 2015-04-24 | 2015-07-22 | 合肥精工导卫配件有限责任公司 | Turbulent eddy tubulature type double-water-supply efficient water-cooling nozzle |
| CN110270596A (en) * | 2019-06-10 | 2019-09-24 | 南京钢铁股份有限公司 | Solve annealing bearing steel netted exceeded process end to end |
| CN110404960A (en) * | 2019-06-28 | 2019-11-05 | 中冶华天工程技术有限公司 | Accelerate cooling common rolling bar+finishing integral system based on tissue isothermal transformation+low temperature |
| CN111822526A (en) * | 2020-08-17 | 2020-10-27 | 江苏东方成套设备制造集团有限公司 | Large bar water-through cooler |
| CN112139265A (en) * | 2019-06-28 | 2020-12-29 | 杰富意钢铁株式会社 | Steel cooling device |
| CN113680837A (en) * | 2020-05-18 | 2021-11-23 | 唐山凯昂实业有限公司 | Steel supporting wheel |
| CN114643294A (en) * | 2022-03-23 | 2022-06-21 | 首钢水城钢铁（集团）有限责任公司 | Water penetrating device with controllable steel head temperature |
| CN115178726A (en) * | 2022-08-29 | 2022-10-14 | 衡阳市华鹏铁路器材有限公司 | Foundry goods processing cooling device for track traffic |
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| JPH0356623A (en) * | 1989-07-26 | 1991-03-12 | Sumitomo Metal Ind Ltd | Cooling device and cooling method for wire rod and steel bar |
| JPH04313417A (en) * | 1991-04-10 | 1992-11-05 | Sumitomo Metal Ind Ltd | Immersion cooling device for wire rod and bar steel or the like |
| KR20090071136A (en) * | 2007-12-27 | 2009-07-01 | 주식회사 포스코 | Apparatus for cooling hot wire |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551403A (en) * | 2013-10-29 | 2014-02-05 | 中冶建筑研究总院有限公司 | Controlled rolling and controlled cooling system for bars |
| CN103551403B (en) * | 2013-10-29 | 2015-06-17 | 中冶建筑研究总院有限公司 | Controlled rolling and controlled cooling system for bars |
| CN104785554A (en) * | 2015-04-24 | 2015-07-22 | 合肥精工导卫配件有限责任公司 | Turbulent eddy tubulature type double-water-supply efficient water-cooling nozzle |
| CN110270596A (en) * | 2019-06-10 | 2019-09-24 | 南京钢铁股份有限公司 | Solve annealing bearing steel netted exceeded process end to end |
| CN110404960A (en) * | 2019-06-28 | 2019-11-05 | 中冶华天工程技术有限公司 | Accelerate cooling common rolling bar+finishing integral system based on tissue isothermal transformation+low temperature |
| CN112139265A (en) * | 2019-06-28 | 2020-12-29 | 杰富意钢铁株式会社 | Steel cooling device |
| CN113680837A (en) * | 2020-05-18 | 2021-11-23 | 唐山凯昂实业有限公司 | Steel supporting wheel |
| CN111822526A (en) * | 2020-08-17 | 2020-10-27 | 江苏东方成套设备制造集团有限公司 | Large bar water-through cooler |
| CN111822526B (en) * | 2020-08-17 | 2022-03-08 | 江苏东方成套设备制造集团有限公司 | Large bar water-through cooler |
| CN114643294A (en) * | 2022-03-23 | 2022-06-21 | 首钢水城钢铁（集团）有限责任公司 | Water penetrating device with controllable steel head temperature |
| CN115178726A (en) * | 2022-08-29 | 2022-10-14 | 衡阳市华鹏铁路器材有限公司 | Foundry goods processing cooling device for track traffic |
| CN115178726B (en) * | 2022-08-29 | 2024-03-15 | 山东金鼎实业股份有限公司 | Casting processing and cooling device for rail transit |
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