CN104801545B - A kind of roll cooling sparge pipe - Google Patents

A kind of roll cooling sparge pipe Download PDF

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Publication number
CN104801545B
CN104801545B CN201510007913.0A CN201510007913A CN104801545B CN 104801545 B CN104801545 B CN 104801545B CN 201510007913 A CN201510007913 A CN 201510007913A CN 104801545 B CN104801545 B CN 104801545B
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China
Prior art keywords
short tube
sparge pipe
roll cooling
circular arc
nozzle
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CN201510007913.0A
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CN104801545A (en
Inventor
张翮辉
漆双
何远鹰
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CHANGSHA MOUNTAIN WATER ENERGY-SAVING RESEARCH INSTITUTE Co Ltd
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CHANGSHA MOUNTAIN WATER ENERGY-SAVING RESEARCH INSTITUTE Co Ltd
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Abstract

The invention discloses a kind of roll cooling sparge pipe, it is in the circular arc body and multigroup nozzle of enclosed construction including two ends, multigroup nozzle array is located at the center of circle side of the circular arc body and communicates therewith, the nozzle includes flexible short tube and nozzle head, one end of the flexible short tube is mutually communicated with the circular arc body, and the other end is connected with the nozzle head.The roll cooling sparge pipe can realize the effect that coolant a fluid stream is narrowed by adjusting the spray angle of nozzle, cooling device can also be made to meet the requirement of different rolls and wire rod to coolant spray angle, simplify the regulation process of cooling device spray angle, reduce the regulation difficulty of spray angle.

Description

A kind of roll cooling sparge pipe
Technical field
The present invention relates to a kind of sparge pipe, more particularly to a kind of roll cooling sparge pipe.
Background technology
In hot rolling technology, roller temperature is too high to make roller quenching layer that tissue breakdown occurs, and roll surface additional answering is occurred Power, and roll surface is produced cracking.Meanwhile, roller temperature is high also to be destroyed normal roll shape, make rolled products plate Type is bad, and roller temperature is too high can also make lubricant failure, and causes that roll wear is accelerated, and service life shortens, not only Roll is wasted, and increases cost, so must be cooled down to roll and temperature control.
Because the working surface distributed areas of the roll are different, then the surface temperature different zones temperature of the roll is caused Degree is inconsistent, how both to have ensured adequately and reasonably cooling effect, realizes that the surface temperature of the roll is uniform as far as possible again, is industry Technical problem urgently to be resolved hurrily.
In the prior art, the method for roll cooling is mainly directly increases setting water spray in the roller surface Pipe, carries out realizing what is cooled by the direct spraying cooling water of sparge pipe to the roller surface.
But, the nozzle major part of existing sparge pipe is fixed, and its angle presets can not be changed.In actual production During, roll may be changed according to production needs, and the pressure of coolant is likely to according to the wire rod processed And adjusted the need for roll.If changing roll in production process or changing the pressure of coolant, the nozzle of fixed angle Make the spray angle of coolant unadjustable, this can cause need to adjust position between whole cooling device and roll Preferable cooling effect can be realized.This is clearly very cumbersome regulation process, increased the difficulty of adjustment and it is required when Between.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of adjustable roll cooling sparge pipe of spray angle.
Central scope of the invention is:A kind of nozzle is installed on roll cooling sparge pipe, the nozzle includes flexibility Short tube and nozzle head two parts, the flexible short tube realize that the spray angle of the nozzle head can adjust by bending.
The present invention provides a kind of roll cooling sparge pipe, including circular arc body and multigroup spray of the two ends in enclosed construction Mouth, multigroup nozzle array is located at the center of circle side of the circular arc body and communicates therewith, and the nozzle includes flexible short tube And nozzle head, one end of the flexible short tube and the circular arc body be interconnected, and the other end is connected with the nozzle head.
Preferably, the flexible short tube also includes changeover portion, and the changeover portion is located at the centre position of the flexible short tube, It is the symmetrical structure that diameter is small at both ends and big in the middle, the length of the changeover portion is the 1/5~1/3 of the flexible short tube overall length, institute It is circle to state the section of flexible short tube.Purpose is that, in order to required power is smaller when the flexible short tube bends, deformation concentrates on centre It is a bit of without expanding to other positions, especially avoid outlet influence of the deformation to coolant flow beam.
Preferably, material is albronze, and the changeover portion is using annealing, in order to ensure that flexible short tube can Its angle is able to maintain that to bend and after bending.
Preferably, the flexible short tube and circular arc body are threaded communication, and the flexible short tube one end perpendicular to The surface of the circular arc body.
Preferably, the angle between every group of adjacent two nozzle of nozzle is identical, is 15~30 degree, in order to allow array There is suitable spacing between the nozzle of setting.
Preferably, the roll cooling sparge pipe also includes connection short tube and multiple elbows, and the multiple elbow passes through The connection short tube connection, and by the connection short tube and circular arc body vertical connection, the bending direction of adjacent double section belt arm Conversely.
Preferably, the roll cooling sparge pipe also includes gradient tube, and the gradient tube is the multiple by what is connected Elbow and connection short tube are connected with circular arc body, and the diameter of the gradient tube is gradually reduced towards the circular arc body direction.
The nozzle of the roll cooling sparge pipe provided compared to prior art, the present invention includes flexible flexibility Short tube and nozzle head.Flexible flexible short tube causes that the spray angle of the nozzle head can adjust, therefore the roll is cooled down Can neatly according to on-site actual situations precise control spray angle with sparge pipe.This can not only realize a fluid stream of coolant Effect is narrowed, and cooling device can be made to meet the requirement of different rolls and wire rod to coolant spray angle, simplify cooling The regulation process of device spray angle, reduces the regulation difficulty of spray angle.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing, wherein:
Fig. 1 is a kind of schematic diagram of preferred embodiment of roll cooling sparge pipe that the present invention is provided;
Fig. 2 is the sectional view of the sparge pipe of roll cooling shown in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, is a kind of schematic diagram of preferred embodiment of roll cooling sparge pipe that the present invention is provided.It is described to roll Roller cooling sparge pipe includes water inlet bend pipe 10, circular arc body 30 and multigroup nozzle 50.The water inlet bend pipe 10 includes gradual change Pipe 11, multiple elbows 12 and connection short tube 13.
The gradient tube 11 is connected by the multiple elbow 12 and connection short tube 13 for connecting with circular arc body 30, and Its diameter is gradually reduced towards the direction of circular arc body 30.
The multiple elbow 12 is connected by the connection short tube 13, and by the connection short tube 13 and circular arc body 30 connections, the bending direction of adjacent double section belt arm 12 is opposite.In the present embodiment, the water inlet bend pipe 10 includes two elbows 12.
The array of multigroup nozzle 50 is located at the center of circle side of the circular arc body 30 and communicates therewith, and multigroup spray Mouth 50 and the water inlet bend pipe 10 are respectively positioned at the opposite side of the circular arc body 30.
As shown in Fig. 2 the nozzle 50 includes flexible short tube 51 and nozzle head 53.The section of the flexible short tube 51 is circle Shape, it includes the first termination 511, the termination 513 of changeover portion 512 and second.First termination 511, the end of changeover portion 512 and second First 513 are structure as a whole.First termination 511 is interconnected with the circular arc body 30, and the changeover portion 512 is located at institute State between the first termination 511 and the second termination 513, second termination 513 is connected with the nozzle head 53.
The flexible short tube 51 is flexible flexible short tube, and its flexible enables the spray angle of nozzle head 53 Neatly according to on-site actual situations precise control, prevent unnecessary cooling water scattering problems.In order to ensure that flexible short tube can It is able to maintain that its angle is constant to bend and after bending.Preferably, the material of the flexible short tube is albronze.
Preferably, first termination 511 and circular arc body 30 are threaded communication, and first termination 511 is vertical With the surface of the circular arc body 30.
The symmetrical structure that the changeover portion 512 is small at both ends and big in the middle for diameter, its length is the overall length of the flexible short tube 51 1/5~1/3.Preferably, its length is the 1/3 of the overall length of the flexible short tube 51.The effect of the changeover portion 512 be make it is described Required power is smaller when flexible short tube 51 bends, and deformation concentrates on middle a bit of without expanding to other positions, especially keeps away Exempt from influence of the outlet deformation to coolant flow beam.The changeover portion 512 uses annealing, as long as disclosure satisfy that reduction hardness And increasing the flexible requirement of the flexible short tube 51, the annealing process present invention used by it is not limited.
In the present embodiment, second termination 513 and nozzle head 53 are formed in one structure.It should be appreciated that being replaced at other In for embodiment, second termination 513 can also be threadedly coupled with nozzle head 53, snap connection or other suitably connect Connect mode.
In the present embodiment, every group is provided with three nozzles 50, and the position angle α between adjacent two nozzle 50 is identical, the size of α It is 15~30 degree.Preferably, α sizes are 30 degree, in order to which the interval in every group between three nozzles 50 is reasonable, it is ensured that cooling Liquid sprinkling after can cover cooling in need working region.
When using, the water inlet bend pipe 10 is connected into feed pipe, cooling water injects the circle by the water inlet bend pipe 10 In arc body 30, then it is injected in roll (not shown) through multigroup nozzle 50, cools down roll.
It should be noted that the regulation of the spray angle of the nozzle 50 is manually to bend the flexible short tube 51 in fact Existing.The purpose for adjusting spray angle is to realize that cooling water can spray the inside to roll working region without scattering to Other regions, while have preferably narrowing a fluid stream effect, reduce the resilience sputtering phenomenon of cooling water.Therefore, flexible short tube 51 Degree of crook be to realize cooling water covering roll working region and not scatter to other regions and splashed with weaker resilience Phenomenon is penetrated to be defined.
The nozzle of the roll cooling sparge pipe provided compared to prior art, the present invention includes flexible flexibility Short tube and nozzle head.Flexible flexible short tube causes that the spray angle of the nozzle head can adjust, therefore the roll is cooled down Can neatly according to on-site actual situations precise control spray angle with sparge pipe.This can not only realize that coolant a fluid stream is received Narrow effect, and cooling device can be made to meet the requirement of different rolls and wire rod to coolant spray angle, simplify cooling The process of device spray angle regulation, reduces the difficulty of spray angle regulation.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other correlations Technical field, is included within the scope of the present invention.

Claims (10)

1. a kind of roll cooling sparge pipe, including two ends is in the circular arc body and multigroup nozzle of enclosed construction, described multigroup Nozzle array is located at the center of circle side of the circular arc body and communicates therewith, it is characterised in that the nozzle includes flexible short tube And nozzle head, one end of the flexible short tube and the circular arc body be interconnected, and the other end is connected with the nozzle head, institute Stating flexible short tube also includes changeover portion, and the changeover portion, located at the centre position of the flexible short tube, is big diameter two, middle Small symmetrical structure.
2. roll cooling sparge pipe according to claim 1, it is characterised in that the length of the changeover portion is described soft The 1/5~1/3 of property short tube overall length.
3. roll cooling sparge pipe according to claim 2, it is characterised in that the section of the flexible short tube is circle Shape, material is albronze.
4. roll cooling sparge pipe according to claim 3, it is characterised in that the changeover portion is using annealing.
5. roll cooling sparge pipe according to claim 1, it is characterised in that the flexible short tube and circular arc body Be threaded communication, and the flexible short tube one end perpendicular to the surface of the circular arc body.
6. roll cooling sparge pipe according to claim 1, it is characterised in that between every group of adjacent two nozzle of nozzle Angle it is identical, be 15~30 degree.
7. roll cooling sparge pipe according to claim 1, it is characterised in that the roll cooling sparge pipe is also wrapped Connection short tube and multiple elbows are included, the multiple elbow is linked in sequence by the connection short tube, and by the connection short tube With the circular arc body vertical connection.
8. roll cooling sparge pipe according to claim 7, it is characterised in that the bending direction phase of adjacent double section belt arm Instead.
9. the roll cooling sparge pipe according to claim 7 or 8, it is characterised in that the roll cooling sparge pipe Also include gradient tube, the gradient tube is connected by the multiple elbow and connection short tube for connecting with circular arc body.
10. roll cooling sparge pipe according to claim 9, it is characterised in that the diameter of the gradient tube is towards described Circular arc body direction is gradually reduced.
CN201510007913.0A 2015-01-08 2015-01-08 A kind of roll cooling sparge pipe Active CN104801545B (en)

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CN104801545B true CN104801545B (en) 2017-06-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108144969A (en) * 2017-12-29 2018-06-12 重庆龙煜精密铜管有限公司 Cooling device and milling train cooling system

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN202577033U (en) * 2011-12-19 2012-12-05 河南大指造纸装备集成工程有限公司 Slurry spray edge water baffle device
CN203737714U (en) * 2013-11-11 2014-07-30 重庆秉睿金属材料工作室 Cooling water pipe structure for roller

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212107A (en) * 1983-05-18 1984-12-01 Ishikawajima Harima Heavy Ind Co Ltd Control device of roll temperature
US5524465A (en) * 1991-03-29 1996-06-11 Hitachi, Ltd. Work rolls crossing type mill, rolling system and rolling method
DE10107567A1 (en) * 2001-02-17 2002-08-29 Sms Meer Gmbh Process for cold rolling seamless copper tubes
CN2659574Y (en) * 2003-09-27 2004-12-01 宝钢集团上海第一钢铁有限公司 Cooling device of roller
CN204074708U (en) * 2014-06-16 2015-01-07 陕西钢铁集团有限公司 A kind of roll water-cooled spray equipment being easy to change and adjust

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202577033U (en) * 2011-12-19 2012-12-05 河南大指造纸装备集成工程有限公司 Slurry spray edge water baffle device
CN203737714U (en) * 2013-11-11 2014-07-30 重庆秉睿金属材料工作室 Cooling water pipe structure for roller

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