CN104226689A - Roller cooling device and cooling method - Google Patents
Roller cooling device and cooling method Download PDFInfo
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- CN104226689A CN104226689A CN201410502138.1A CN201410502138A CN104226689A CN 104226689 A CN104226689 A CN 104226689A CN 201410502138 A CN201410502138 A CN 201410502138A CN 104226689 A CN104226689 A CN 104226689A
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Abstract
The embodiment of the invention discloses a roller cooling device and a roller cooling method. The cooling device comprises a first main cooling water pipe 11, a second main cooling water pipe 12, a main spray head 13, an arc-shaped cooling water pipe 14 and a plurality of auxiliary spray heads 15, wherein the distance from the first main cooling water pipe 11 to a tapping hole extension line 20 is smaller than the distance from the second main cooling water pipe 12 to the tapping hole extension line 20, the main spray head 13 is connected with the first main cooling water pipe 11, an included angle between the water outlet direction of the main spray head 13 and the tapping hole extension line 20 is a first included angle 30, the arc-shaped cooling water pipe 14 is connected with the second main cooling water pipe 12 and is in a circular arc shape, the circle center of the arc-shaped cooling water pipe 14 is coincident with the circle center of a roller 50 arranged at the same side, the auxiliary spray heads 15 are connected with the arc-shaped cooling water pipe 14, and an included angle between the water outlet direction of each auxiliary spray head 15 and the radial direction of the corresponding auxiliary spray head 15 is a second included angle 31. The device and the method have the advantage that the roller cooling effect can be improved.
Description
Technical field
The present invention relates to field of metallurgy, particularly a kind of roll cooling device and cooling means.
Background technology
Iron and steel is the mainstay of national economy, is the important substance guarantee of national survival and development.Iron and steel is produced and is comprised the flow processs such as sintering, ironmaking, steel-making, continuous casting, steel rolling, and wherein, steel rolling is the process making rolled piece by the extruding of roll thus change shape.Distinguish according to the temperature of rolled piece, Rolling production comprises cold rolling and hot rolling two kinds.During hot rolling, plastic deformation is high, and resistance of deformation is low, makes metal change the required little energy consumed of shape, the method extensively adopted when being iron and steel production.
During hot rolling, the rolled piece of high temperature directly contacts with roll and produces sliding friction, causes the temperature of roll to raise.The spot temperature that roll and rolled piece directly contact raises comparatively fast, and all the other spot temperature raise comparatively slow, and the even roll that easily makes of temperature distributing disproportionation produces uneven thermal expansion, affects the roll thermal crown of roll and the precision of roll gap, thus reduces the quality of steel.In addition, roller temperature is too high also easily produces security incident, and therefore roll operationally needs timely cooling.
In prior art, for the screw-thread steel production line usually adopting a pair cylinder roll, cooling water pipe is arranged at above roll, shower nozzle vertically sprays cooling water, the contact area of cooling water and roller surface is less, and the shower nozzle be positioned at above roll is difficult to spray water for roll and the direct contact site of rolled piece, cooling effect is poor.Not in time, easily there is crackle, fall block, even roll breakage etc. in roll rolipass design, roll wear is accelerated, and service life shortens.
Roll in use, may be single groove work, and may be double flute work or multiple-grooved work, its work nest be fixing yet, can move along roll surface; Roll in use also can reduce by diameter due to wearing and tearing, thus the distance of roll and cooling water pipe shower nozzle is increased.In prior art, cooling water pipe is all direct and main pipeline welds together, and can not regulate with the distance of roll, when the work nest conversion of roll, and the part cooling that cooling water possibly cannot make roller temperature the highest in time.
In addition, in roll production process, because temperature is higher, one deck steam blanket can be formed on knurling surface, when shower nozzle and roll distance increase, the pressure that cooling water arrives roll diminishes, in order to break through steam blanket, must increase pressure and the flow of cooling water, this can increase the load to cooling water pressurization and flow control system.
In addition, the cooling water adopted due to cooling roll is recirculated water, is wherein mingled with the impurity such as iron filings, dust, easily cause the blocking of shower nozzle, in prior art, because cooling water pipe and main pipeline weld together, cause nozzle to be difficult to change, or the nozzle exchange time is longer, reduces production efficiency.
Visible, roll cooling device of the prior art and cooling means, the cooling effect of breaker roll is poor, and not easily changes.
Summary of the invention
Provide a kind of roll cooling device in the embodiment of the present invention, the cooling effect of roll can be improved.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
On the one hand, provide a kind of roll cooling device, comprising:
First main cooling water pipe 11, is connected with cooling water main 10;
Second main cooling water pipe 12, is connected with described cooling water main 10, and wherein, the distance of described first main cooling water pipe 11 to tapping hole extended line 20 is less than the distance of described second main cooling water pipe 12 to described tapping hole extended line 20;
Main jet head 13, is connected with described first main cooling water pipe 11, and the angle between the water outlet direction of described main jet head 13 and described tapping hole extended line 20 is the first angle 30;
Arc cooling water pipe 14, is connected with described second main cooling water pipe 12, and described arc cooling water pipe 14 is circular arc, and the center of circle of described arc cooling water pipe 14 overlaps with the center of circle of the roll 50 of homonymy;
Multiple auxiliary shower nozzle 15, be connected with described arc cooling water pipe 14, the water outlet direction of each described auxiliary shower nozzle 15 is the second angle 31 with the angle of the radial direction of corresponding auxiliary shower nozzle 15, wherein, the radial direction of described auxiliary shower nozzle 15 is described auxiliary shower nozzle 15 and the center of tie point of described arc cooling water pipe 14 and the line in the center of circle of described arc cooling water pipe 14.
Optionally, described arc cooling water pipe 14 is 1/3 circumference to 1/2 circumference.
Optionally, the number of degrees of described first angle 30 are 15 degree to 30 degree;
The number of degrees of described second angle 31 are 15 degree to 30 degree.
Optionally, the distribution density of the auxiliary shower nozzle 15 of close described tapping hole extended line 20 is greater than the distribution density of the auxiliary shower nozzle 15 away from described tapping hole extended line 20.
Optionally, the delivery port of described auxiliary shower nozzle 15 is trapezoidal or wedge shape;
Described auxiliary shower nozzle 15 is less than the cross-sectional area away from auxiliary shower nozzle delivery port 151 near the cross-sectional area of auxiliary shower nozzle delivery port 151.
Optionally, described first main cooling water pipe 11 is connected with described cooling water main 10 respectively by replaceable flexible pipe 18 with the second main cooling water pipe 12.
Optionally, described cooling water main 10 leads to the first main cooling water pipe 11 place and is provided with the first water valve 41;
Described cooling water main 10 leads to the second main cooling water pipe 12 place and is provided with the second water valve 42.
Optionally, described cooling device also comprises gripper shoe 16, and the bottom of described gripper shoe 16 is provided with the first through hole 161, and the top of described gripper shoe 16 is provided with the second through hole 162, the axis of described first through hole 161 and the axis being parallel of the second through hole 162;
Described first main cooling water pipe 11 is through described first through hole 161, and described second cooling water pipe 12 is through described second through hole 162;
The bottom of described gripper shoe 16 is provided with the first screw 163, first adjusting bolt 164 and contacts with the first main cooling water pipe 11 through described first screw 163;
The bottom of described gripper shoe 16 is provided with the second screw 165, second adjusting bolt 166 to contact with described second main cooling water pipe 12 through the second screw 165.
Optionally, described cooling device also comprises fixed bar 17, the axis of described fixed bar 17 and the axis being parallel of described roll 50, and the cross section of described fixed bar 17 is rectangle, and the two ends of described fixed bar 17 are connected with roller machine respectively;
Described gripper shoe 16 is slided along fixed bar 17 by draw-in groove;
The middle part of described gripper shoe 16 is provided with the 3rd screw the 167, three conciliation bolt 168 and contacts with described fixed bar 17 through the 3rd screw 167
On the other hand, provide a kind of roll rolipass design method, described method comprises:
Cooling water through the first main cooling water pipe 11, is ejected to roll 50 surface from main jet head 13 according to the first angle 30 from cooling water main 10;
Cooling water enters arc cooling water pipe 14 from cooling water main 10 through the second main cooling water pipe 12, is ejected to roll 50 surface from multiple auxiliary shower nozzle 15 according to the second angle 31;
Wherein, described arc cooling water pipe 14 is circular arc, and the center of circle of described arc cooling water pipe 14 overlaps with the center of circle of the roll 50 of homonymy; Described first angle 30 is the angle between the water outlet direction of described main jet head 13 and tapping hole extended line 20, described second angle 31 is the water outlet direction of each described auxiliary shower nozzle 15 and the angle of the radial direction of corresponding auxiliary shower nozzle 15, and the radial direction of described auxiliary shower nozzle 15 is described auxiliary shower nozzle 15 and the center of tie point of described arc cooling water pipe 14 and the line in the center of circle of described arc cooling water pipe 14.
A kind of roll cooling device is disclosed in embodiments of the invention, have employed arc cooling water pipe, and the auxiliary shower nozzle that water outlet direction tilts cools roll, adds the contact area of cooling water and roll, the cooling effect of roll can be improved, thus extend the life-span of roll.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the structural representation of the roll cooling device of the embodiment of the present invention;
Figure 2 shows that the right view of the roll cooling device of the embodiment of the present invention;
Figure 3 shows that the distribution schematic diagram of the roll cooling device of the embodiment of the present invention;
Figure 4 shows that the distribution schematic diagram of the roll cooling device of the embodiment of the present invention.
Detailed description of the invention
The following embodiment of the present invention provides a kind of roll cooling device and cooling means, can improve the cooling effect of roll.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Figure 1 shows that the structural representation of the roll cooling device of the embodiment of the present invention, as shown in Figure 1, roller machine comprises a pair cylindrical roll, rolled piece passes through between a pair roller, figure left side is steel import, and figure right side is tapping hole, as shown in Figure 1, embodiments provide a kind of roll cooling device, comprising:
First main cooling water pipe 11, is connected with cooling water main 10;
Second main cooling water pipe 12, is connected with described cooling water main 10, and wherein, the distance of described first main cooling water pipe 11 to tapping hole extended line 20 is less than the distance of described second main cooling water pipe 12 to described tapping hole extended line 20;
Main jet head 13, is connected with described first main cooling water pipe 11, and the angle between the water outlet direction of described main jet head 13 and described tapping hole extended line 20 is the first angle 30;
Arc cooling water pipe 14, is connected with described second main cooling water pipe 12, and described arc cooling water pipe 14 is circular arc, and the center of circle of described arc cooling water pipe 14 overlaps with the center of circle of the roll 50 of homonymy;
Multiple auxiliary shower nozzle 15, be connected with described arc cooling water pipe 14, the water outlet direction of each described auxiliary shower nozzle 15 is the second angle 31 with the angle of the radial direction of corresponding auxiliary shower nozzle 15, wherein, the radial direction of described auxiliary shower nozzle 15 is described auxiliary shower nozzle 15 and the center of tie point of described arc cooling water pipe 14 and the line in the center of circle of described arc cooling water pipe 14.
The roll cooling device of the embodiment of the present invention, adopt arc cooling water pipe and multiple auxiliary shower nozzle, the radian of arc cooling water pipe and roll suits more, multiple auxiliary shower nozzle and roller surface are obliquely installed, and can increase the contact area of cooling water and roll, can take away more heat in the shorter time from roll, and cooling water and roll contact area larger, the cooling of roll can be made more even, improve the effect of roll rolipass design, extend the life-span of roll.
Described arc cooling water pipe 14 is 1/3 circumference to 1/2 circumference.
The number of degrees of described first angle 30 are 15 degree to 30 degree; The number of degrees of described second angle 31 are 15 degree to 30 degree.
Distribution density near the auxiliary shower nozzle 15 of described tapping hole extended line 20 is greater than the distribution density of the auxiliary shower nozzle 15 away from described tapping hole extended line 20.
The temperature of the roll near tapping hole extended line 20 place is higher than the temperature of the roll away from tapping hole extended line 20 place, arranging more auxiliary shower nozzle 15 at close tapping hole extended line 20 place can make the higher place of roller temperature lower the temperature sooner, make the cooling of whole roll more even, improve the effect of roll rolipass design, extend the life-span of roll.
The delivery port of described auxiliary shower nozzle 15 is trapezoidal or wedge shape;
Described auxiliary shower nozzle 15 is less than the cross-sectional area away from auxiliary shower nozzle delivery port 151 near the cross-sectional area of auxiliary shower nozzle delivery port 151.
Described cooling water main 10 leads to the first main cooling water pipe 11 place and is provided with the first water valve 41;
Described cooling water main 10 leads to the second main cooling water pipe 12 place and is provided with the second water valve 42.
Described first main cooling water pipe 11 is connected with described cooling water main 10 respectively by replaceable flexible pipe 16 with the second main cooling water pipe 12.
Water valve may be used for the flow regulating cooling water.Auxiliary shower nozzle 15 is large near the cross-sectional area of delivery port 151, and the cross-sectional area away from delivery port 151 is little, can increase the pressure of coolant outlet, is conducive to breaking through steam blanket, improves the cooling effect of roll.
First main cooling water pipe 11 is connected with cooling water main 10 by replaceable flexible pipe 18 with the second main cooling water pipe 12, easily changes nozzle, can enhance productivity.
The jointing of replaceable flexible pipe 18 and the first main cooling water pipe 11, second main cooling water pipe 12, cooling water main 10 can be snap joint, and this joint is easy to dismounting.
Described cooling device also comprises gripper shoe 16, and the bottom of described gripper shoe 16 is provided with the first through hole 161, and the top of described gripper shoe is provided with the second through hole 162, the axis of described first through hole 161 and the axis being parallel of the second through hole 162;
Described first main cooling water pipe 11 is through described first through hole 161, and described second cooling water pipe 12 is through described second through hole 162;
The bottom of described gripper shoe 16 is provided with the first screw 163, first adjusting bolt 164 and contacts with the first main cooling water pipe 11 through described first screw 163;
The bottom of described gripper shoe 16 is provided with the second screw 165, second adjusting bolt 166 to contact with described second main cooling water pipe 12 through the second screw 165.
Described cooling device also comprises fixed bar 17, the axis of described fixed bar 17 and the axis being parallel of described roll 50, and the cross section of described fixed bar 17 is rectangle, and the two ends of described fixed bar 17 are connected with roller machine respectively;
Described gripper shoe 16 is slided along fixed bar 17 by draw-in groove;
The middle part of described gripper shoe 16 is provided with the 3rd screw the 167, three conciliation bolt 168 and contacts with described fixed bar 17 through the 3rd screw 167.
The relative position of gripper shoe 16 and fixed bar 17 can with reference to shown in figure 2.Figure 2 shows that the right view of the roll cooling device of the embodiment of the present application.
In the present embodiment, the first adjusting nut 163 and the second adjusting nut 166 have two respectively, the first adjusting nut 163 for fastening first main cooling water pipe 11, second adjusting nut 166 for fastening second cooling water pipe 12.First adjusting nut 163 and the second adjusting nut 166 are with the use of the distance that can also regulate the first main cooling water pipe 11 and the second main cooling water pipe 12 and roll 50.
3rd adjusting nut 168, for fastening support plate 16 and fixed bar 17, can also be used for regulating the position of gripper shoe 16 on fixed bar 17.
First main cooling water pipe 11 and the second main cooling water pipe 12 and gripper shoe 16 position adjustable, namely the position of shower nozzle is adjustable, when roll work nest converts, or roll due to fraze reduce time, the effect of the cooling of roll can be improved.
Fig. 3, Figure 4 shows that the distribution schematic diagram of the roll cooling device of the embodiment of the present invention.
In actual applications, a roller machine can configure multiple roll cooling device as above, is configured with two roll cooling devices as above shown in Fig. 3, Figure 4 shows that and is configured with three roll cooling devices as above.The parts in Fig. 3, Fig. 4 and in Fig. 1, Fig. 2 with identical label have same or analogous 26S Proteasome Structure and Function, do not repeat them here.
Multiple roll cooling device can share a fixed bar 17.
A roller machine configures multiple cooling device, can improve the cooling effect of roll further.
Corresponding with above-mentioned roll cooling device, present invention also offers a kind of roll rolipass design method, described method comprises:
Cooling water through the first main cooling water pipe 11, is ejected to roll 50 surface from main jet head 13 according to the first angle 30 from cooling water main 10;
Cooling water enters arc cooling water pipe 14 from cooling water main 10 through the second main cooling water pipe 12, is ejected to roll 50 surface from multiple auxiliary shower nozzle 15 according to the second angle 31;
Wherein, described arc cooling water pipe 14 is circular arc, and the center of circle of described arc cooling water pipe 14 overlaps with the center of circle of the roll 50 of homonymy; Described first angle 30 is the angle between the water outlet direction of described main jet head 13 and tapping hole extended line 20, described second angle 31 is the water outlet direction of each described auxiliary shower nozzle 15 and the angle of the radial direction of corresponding auxiliary shower nozzle 15, and the radial direction of described auxiliary shower nozzle 15 is described auxiliary shower nozzle 15 and the center of tie point of described arc cooling water pipe 14 and the line in the center of circle of described arc cooling water pipe 14.
The roll rolipass design method of the embodiment of the present invention, adopt arc cooling water pipe and multiple auxiliary shower nozzle, the radian of arc cooling water pipe and roll suits more, multiple auxiliary shower nozzles can increase the contact area of cooling water and roll, in the shorter time, more heat can be taken away from roll, and cooling water and roll contact area are comparatively large, and the cooling of roll can be made more even, improve the effect of roll rolipass design, extend the life-span of roll.
A kind of roll cooling device and cooling means is disclosed in embodiments of the invention, adopt arc cooling water pipe and multiple auxiliary shower nozzle, the radian of arc cooling water pipe and roll suits more, multiple auxiliary shower nozzles can increase the contact area of cooling water and roll, in the shorter time, more heat can be taken away from roll, and cooling water and roll contact area are comparatively large, and the cooling of roll can be made more even, improve the effect of roll rolipass design, extend the life-span of roll.In addition, in apparatus and method of the present invention, the distance of shower nozzle and roll is adjustable, further increases the cooling effect of roll.
Those skilled in the art can be well understood to the mode that technology in the embodiment of the present invention can add required common hardware by software and realize, common hardware comprises universal integrated circuit, universal cpu, general-purpose storage, universal elements etc., can certainly comprise special IC, dedicated cpu, private memory, special components and parts etc. by specialized hardware to realize, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme in the embodiment of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this description all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a roll cooling device, is characterized in that, comprising:
First main cooling water pipe (11), is connected with cooling water main (10);
Second main cooling water pipe (12), be connected with described cooling water main (10), wherein, described first main cooling water pipe (11) is less than the distance of described second main cooling water pipe (12) to described tapping hole extended line (20) to the distance of tapping hole extended line (20);
Main jet head (13), be connected with described first main cooling water pipe (11), the angle between the water outlet direction of described main jet head (13) and described tapping hole extended line (20) is the first angle (30);
Arc cooling water pipe (14), be connected with described second main cooling water pipe (12), described arc cooling water pipe (14) is circular arc, and the center of circle of described arc cooling water pipe (14) overlaps with the center of circle of the roll (50) of homonymy;
Multiple auxiliary shower nozzle (15), be connected with described arc cooling water pipe (14), the water outlet direction of each described auxiliary shower nozzle (15) is the second angle (31) with the angle of the radial direction of corresponding auxiliary shower nozzle (15), wherein, the radial direction of described auxiliary shower nozzle (15) is described auxiliary shower nozzle (15) and the center of tie point of described arc cooling water pipe (14) and the line in the center of circle of described arc cooling water pipe (14).
2. cooling device as claimed in claim 1, it is characterized in that, described arc cooling water pipe (14) is 1/3 circumference to 1/2 circumference.
3. cooling device as claimed in claim 1, it is characterized in that, the number of degrees of described first angle (30) are 15 degree to 30 degree;
The number of degrees of described second angle (31) are 15 degree to 30 degree.
4. cooling device as claimed in claim 1, it is characterized in that, the distribution density near the auxiliary shower nozzle (15) of described tapping hole extended line (20) is greater than the distribution density of the auxiliary shower nozzle (15) away from described tapping hole extended line (20).
5. cooling device as claimed in claim 1, it is characterized in that, the delivery port of described auxiliary shower nozzle (15) is trapezoidal or wedge shape;
The cross-sectional area of the close auxiliary shower nozzle delivery port (151) of described auxiliary shower nozzle (15) is less than the cross-sectional area away from auxiliary shower nozzle delivery port (151).
6. cooling device as claimed in claim 1, it is characterized in that, described first main cooling water pipe (11) is connected with described cooling water main (10) respectively by replaceable flexible pipe (18) with the second main cooling water pipe (12).
7. device as claimed in claim 1, it is characterized in that, described cooling water main (10) is led to the first main cooling water pipe (11) place and is provided with the first water valve (41);
Described cooling water main (10) is led to the second main cooling water pipe (12) place and is provided with the second water valve (42).
8. cooling device as claimed in claim 1, it is characterized in that, described cooling device also comprises gripper shoe (16), the bottom of described gripper shoe (16) is provided with the first through hole (161), the top of described gripper shoe (16) is provided with the second through hole (162), the axis of described first through hole (161) and the axis being parallel of the second through hole (162);
Described first main cooling water pipe (11) is through described first through hole (161), and described second cooling water pipe (12) is through described second through hole (162);
The bottom of described gripper shoe (16) is provided with the first screw (163), and the first adjusting bolt (164) contacts with the first main cooling water pipe (11) through described first screw (163);
The bottom of described gripper shoe (16) is provided with the second screw (165), the second adjusting bolt (166) contacts with described second main cooling water pipe (12) through the second screw (165).
9. cooling device as claimed in claim 8, it is characterized in that, described cooling device also comprises fixed bar (17), the axis of described fixed bar (17) and the axis being parallel of described roll (50), the cross section of described fixed bar (17) is rectangle, and the two ends of described fixed bar (17) are connected with roller machine respectively;
Described gripper shoe (16) is slided along fixed bar (17) by draw-in groove;
The middle part of described gripper shoe (16) is provided with the 3rd screw (167), and the 3rd reconciles bolt (168) contacts with described fixed bar (17) through the 3rd screw (167).
10. a roll rolipass design method, is characterized in that, described method comprises:
Cooling water through the first main cooling water pipe (11), is ejected to roll (50) surface from main jet head (13) according to the first angle (30) from cooling water main (10);
Cooling water enters arc cooling water pipe (14) from cooling water main (10) through the second main cooling water pipe (12), is ejected to roll (50) surface from multiple auxiliary shower nozzle (15) according to the second angle (31);
Wherein, described arc cooling water pipe (14) is circular arc, and the center of circle of described arc cooling water pipe (14) overlaps with the center of circle of the roll (50) of homonymy; Angle between the water outlet direction that described first angle (30) is described main jet head (13) and tapping hole extended line (20), the water outlet direction of described second angle (31) for each described auxiliary shower nozzle (15) and the angle of the radial direction of corresponding auxiliary shower nozzle (15), the radial direction of described auxiliary shower nozzle (15) is described auxiliary shower nozzle (15) and the center of tie point of described arc cooling water pipe (14) and the line in the center of circle of described arc cooling water pipe (14).
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| CN104801546A (en) * | 2015-01-08 | 2015-07-29 | 长沙山水节能研究院有限公司 | Multiphase cooling method for roller |
| CN104801553A (en) * | 2015-01-08 | 2015-07-29 | 长沙山水节能研究院有限公司 | System for controlling turbid circulation cooling of roller |
| CN105234181A (en) * | 2015-11-23 | 2016-01-13 | 重庆钢铁(集团)有限责任公司 | Cooling water pipe |
| CN108160714A (en) * | 2018-02-09 | 2018-06-15 | 鞍山熠鑫环保科技有限公司 | A kind of ultimate dust-extraction unit of wire and rod |
| CN108435799A (en) * | 2018-04-07 | 2018-08-24 | 新疆八钢铁股份有限公司 | Trailing type loop back roll external cooling device |
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| CN112974538A (en) * | 2021-02-03 | 2021-06-18 | 广东韶钢松山股份有限公司 | Roller cooling device |
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| CN114083872A (en) * | 2021-11-17 | 2022-02-25 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Cooling method for stainless steel vibration damping plate |
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Denomination of invention: Roll cooling device and cooling method Effective date of registration: 20211026 Granted publication date: 20170118 Pledgee: China Construction Bank Co.,Ltd. Loudi branch Pledgor: HUNAN 3T NEW MATERIAL Co.,Ltd. Registration number: Y2021430000063 |
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