CN105382041A - Injecting devices for emulsified liquid of eighteen-roller cold-rolling mill and application thereof - Google Patents
Injecting devices for emulsified liquid of eighteen-roller cold-rolling mill and application thereof Download PDFInfo
- Publication number
- CN105382041A CN105382041A CN201510853419.6A CN201510853419A CN105382041A CN 105382041 A CN105382041 A CN 105382041A CN 201510853419 A CN201510853419 A CN 201510853419A CN 105382041 A CN105382041 A CN 105382041A
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- CN
- China
- Prior art keywords
- nozzle
- spray beam
- emulsified liquid
- roll
- liquid injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
- B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention provides injecting devices for emulsified liquid of an eighteen-roller cold-rolling mill. The injecting devices comprise four side supporting frames. The side supporting frames are each provided with an upper backing bearing roller, a side supporting roller and a lower backing bearing roller. A second injecting device is arranged in the position, close to each side supporting roller and each lower backing bearing roller, of each side supporting frame. The second injecting devices comprise injecting beams, a plurality of first nozzles and a plurality of second nozzles, wherein the multiple first nozzles and the multiple second nozzles are installed in the length direction of the injecting beams, the first nozzles face towards the side supporting rollers, and the second nozzles face towards the roller seams of working rollers. According to the injecting devices, the second injecting devices are arranged on the side supporting frames on the basis of unchanging original first injecting devices on side supporting beams, the emulsified liquid is injected into strip steel in the position of the roller seams and the side supporting rollers simultaneously through the second injecting devices, so the lubricating cooling effect of the strip steel in the position of the roller seams is improved, and thus the rolling speed is improved, the rolling energy consumption is reduced, and the surface quality of the strip steel is improved; meanwhile, the side supporting rollers are further cooled, and hence the control precision of the strip shape of the strip steel is improved.
Description
Technical field
The invention belongs to cold-strip steel equipment technical field, be specifically related to a kind of 18 cold mill emulsified liquid injection gear and application thereof.
Background technology
Existing 18 cold mills arrange spray beam and nozzle in entrance and outlet side brace summer 3, carries out lubrication and cooling for spraying emulsion when cold-strip steel to band steel; As shown in Figure 1, a frame Isosorbide-5-Nitrae side support frame 2,4 side brace summers 3 and the first injection apparatus 4 is comprised; 4 side brace summers 3 lay respectively at frame 1 entrance side and the outlet side of band steel about 5,3 the first injection apparatus 4 are arranged in each side brace summer 3, each first injection apparatus 4 comprises a spray beam and row's nozzle, spray beam is along the arrangement of band steel 5 width, and the nozzle in spray beam sprays emulsion on band steel 5.
But, the spray beam of existing layout on side brace summer 3 and nozzle are away from roll gap, the band steel of entrance and outlet side can only be cooled preferably, and the lubrication of roll gap is be ejected into by entrance side nozzle to be with the emulsion on steel to flow to roll gap with band steel completely, in flow process, have a large amount of emulsion be lost to steel edge portion and roll gap can not be flowed into, therefore, the effect causing roll gap lubrication to cool is bad.And problems can be brought thus, as badly in roll gap lubrication can increase required power and the raising of mill speed is restricted, roll gap place band steel cooling bad being also unfavorable for improves strip surface quality.
In addition, existing 18 cold mills do not arrange the cooling injection device of side backing roll yet.In the operation of rolling, entrance side backing roll will bear working roll horizontal force, make the contact between entrance side backing roll and working roll larger, produce a large amount of frictional heat, collateral support roll temperature is caused to raise, form roll thermal crown along the body of roll, this convexity is delivered on working roll and makes working roll produce roll shape, is unfavorable for that belt plate shape controls.
Therefore, be necessary the emulsified liquid injection gear optimizing and improve 18 cold mills, this is of great significance the engineer applied tool of eighteen-high mill.
Summary of the invention
The effect that the object of the invention is to overcome roll gap lubrication in existing 18 cold mills is bad, affects the problem of strip surface quality.
For this reason, the invention provides a kind of 18 cold mill emulsified liquid injection gears, comprise four the side support frames be separately positioned on four side brace summers, each side support frame is provided with backing cloth bearing roller, side backing roll and lower backing cloth bearing roller, and between the support frame of side the upper and lower symmetrically arranged working roll of steel band, described each side support frame is provided with the second injection apparatus near the position of side backing roll and lower backing cloth bearing roller, several nozzle one and several nozzles two that this second injection apparatus comprises spray beam and installs along spray beam length direction, nozzle one is towards collateral support roller, nozzle two is towards working roll roll gap.
Further, above-mentioned spray beam is across side support frame, and spray beam two ends are fixed on support frame two ends, side, and spray beam length direction is parallel with the side backing roll body of roll.
Further, above-mentioned spray beam is hollow cylindrical structure, and its one end open, the other end are closed, and the external diameter of this hollow cylinder is 30mm, and internal diameter is 20mm.
Further, several nozzles one above-mentioned in spray beam distribution in a row, several nozzles two in spray beam distribution in a row, between nozzle one and nozzle two mutually at an angle of 90.
Further, said nozzle one and nozzle two are interspersed in spray beam, and often adjacent two nozzles one, spacing often between adjacent two nozzles two are 40 ~ 60mm.
Further, said nozzle two and strip length angular separation are 10 ~ 15 °.
Further, said nozzle one is 12 ~ 16mm to the jet length of side backing roll roll surface.
In addition, present invention also offers the application of this 18 cold mill emulsified liquid injection gear, one end of spray beam on the support frame of each side all connects emulsion pipeline, this emulsion pipeline is provided with flow control valve, flow sensor, pressure-control valve and pressure sensor, flow control valve and flow sensor control the emulsion flow flowing into each spray beam, and pressure-control valve and pressure sensor control the expulsion pressure of each spray beam top nozzle one and nozzle two.
Further, the spray beam flow-control on the support frame of above-mentioned each side is 40 ~ 300L/min.
Further, the expulsion pressure of above-mentioned spray beam top nozzle one and nozzle two controls to be 0.4 ~ 0.6MPa.
Compared with prior art, beneficial effect of the present invention: this 18 cold mill emulsified liquid injection gears provided by the invention are on the basis not changing the first injection apparatus on the brace summer of original side, side support frame is arranged the second injection apparatus, utilize the second injection apparatus on roll gap place band steel and side backing roll, to spray emulsion simultaneously, both the lubrication effect of roll gap place band steel can have been improved, thus raising mill speed, reduce required power and improve strip surface quality, also can cool by offside backing roll, thus improve belt plate shape control accuracy.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is existing 18 cold mill emulsified liquid injection gear structural representations.
Fig. 2 is the present invention 18 cold mill emulsified liquid injection gear structural representation.
Fig. 3 is the second injection apparatus arrangement schematic diagram in the present invention 18 cold mill emulsified liquid injection gear.
Fig. 4 is the structural representation of the present invention 18 cold mill emulsified liquid injection gear application system.
Description of reference numerals: 1, frame; 2, side support frame; 3, side brace summer; 4, the first injection apparatus; 5, steel is with; 6, upper backing cloth bearing roller; 7, side backing roll; 8, lower backing cloth bearing roller; 9, the second injection apparatus; 10, nozzle one; 11, nozzle two; 12, spray beam; 13, flow control valve; 14, flow sensor; 15, emulsion pipeline; 16, pressure-control valve; 17, pressure sensor; 18, working roll.
Detailed description of the invention
Embodiment 1:
In order to the effect overcoming roll gap lubrication in existing 18 cold mills is bad, and side backing roll can not cool, affect the problem of strip surface quality, present embodiments provide a kind of as Fig. 2, 18 cold mill emulsified liquid injection gears shown in Fig. 3, comprise four the side support frames 2 be separately positioned on four side brace summers 3, each side support frame 2 is provided with backing cloth bearing roller 6, side backing roll 7 and lower backing cloth bearing roller 8, and between side support frame 2 the symmetrically arranged working roll 18 of steel band about 5, described each side support frame 2 is provided with the second injection apparatus 9 near side backing roll 7 and lower backing cloth bearing roller 8 position, several nozzle 1 and several nozzles 2 11 that this second injection apparatus 9 comprises spray beam 12 and installs along spray beam 12 length direction, nozzle 1 is towards side backing roll 7, nozzle 2 11 is towards working roll 18 roll gap.
The present invention is on the basis not changing the first injection apparatus 4 on original 18 cold mill side brace summers, side backing roll 7 on side support frame 2 and set up the second injection apparatus 9 between lower backing cloth bearing roller 8, the band steel 5 of entrance and outlet side is cooled by the first injection apparatus 4, on working roll roll gap place band steel and side backing roll, spray emulsion by the nozzle 1 of the second injection apparatus 9 and nozzle 2 11 simultaneously, overcome existing first injection apparatus 4 away from working roll roll gap, can not the problem of lubrication and cooling working roll roll gap place band steel preferably, improve mill speed, reduce required power and improve strip surface quality, and offside backing roll cools, improve belt plate shape control accuracy.
Embodiment 2:
On the basis of embodiment 1, in order to make the emulsion of injection on the second injection apparatus 9 pairs of working roll roll gap place band steel 5 and side backing roll 7 more even, lubrication effect is better, as shown in Figure 3 and Figure 4, described spray beam 12 is across side support frame 2, and spray beam 12 two ends are fixed on side support frame 2 two ends, spray beam 12 length direction is parallel with side backing roll 7 body of roll.By several nozzles 1 in spray beam 12 distribution in a row, several nozzles 2 11 in spray beam 12 distribution in a row, between nozzle 1 and nozzle 2 11 mutually at an angle of 90.Nozzle 1 and nozzle 2 11 are interspersed in spray beam 12, and often adjacent two nozzles 1, spacing often between adjacent two nozzles 2 11 are 40 ~ 60mm.Nozzle 2 11 is 10 ~ 15 ° with band steel 5 length direction angle.Nozzle 1 is 12 ~ 16mm to the jet length of side backing roll 7 roll surface.
Embodiment 3:
On the basis of above-described embodiment, as shown in Figure 4, present embodiments provide a kind of application of 18 cold mill emulsified liquid injection gears, spray beam 12 is hollow cylindrical structure, its one end open, the other end is closed, the external diameter of this hollow cylinder is 30mm, internal diameter is 20mm, one end of spray beam 12 opening on each side support frame 2 all connects emulsion pipeline 15, this emulsion pipeline 15 is provided with flow control valve 13, flow sensor 14, pressure-control valve 16 and pressure sensor 17, the emulsion flow flowing into each spray beam 12 is controlled by flow control valve 13 and flow sensor 14, pressure-control valve 16 and pressure sensor 17 control the expulsion pressure of each spray beam 12 top nozzle 1 and nozzle 2 11.
Wherein, spray beam 12 flow-control on each side support frame 2 is 40 ~ 300L/min; The expulsion pressure of spray beam 12 top nozzle 1 and nozzle 2 11 controls to be 0.4 ~ 0.6MPa.
In sum, this 18 cold mill emulsified liquid injection gear structures provided by the invention are simple, easy to operate, both the lubrication effect of roll gap place band steel can effectively have been improved, also can cool by offside backing roll, thus reach the object improved strip surface quality and improve belt plate shape control accuracy.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (10)
1. a cold mill emulsified liquid injection gear, comprise four the side support frames (2) be separately positioned on four side brace summers (3), each side support frame (2) is provided with backing cloth bearing roller (6), side backing roll (7) and lower backing cloth bearing roller (8), and between side support frame (2) the upper and lower symmetrically arranged working roll (18) of steel band (5), it is characterized in that: described each side support frame (2) is upper is provided with the second injection apparatus (9) near side backing roll (7) and lower backing cloth bearing roller (8) position, this second injection apparatus (9) comprise spray beam (12) and along spray beam (12) length direction install several nozzles one (10) and several nozzles two (11), nozzle one (10) is towards side backing roll (7), nozzle two (11) is towards working roll (18) roll gap.
2. 18 cold mill emulsified liquid injection gears as claimed in claim 1, it is characterized in that: described spray beam (12) is across side support frame (2), and spray beam (12) two ends are fixed on side support frame (2) two ends, spray beam (12) length direction is parallel with side backing roll (7) body of roll.
3. 18 cold mill emulsified liquid injection gears as claimed in claim 1 or 2, it is characterized in that: described spray beam (12) is hollow cylindrical structure, its one end open, the other end are closed, and the external diameter of this hollow cylinder is 30mm, and internal diameter is 20mm.
4. 18 cold mill emulsified liquid injection gears as claimed in claim 1, it is characterized in that: several nozzles one (10) described are in spray beam (12) distribution in a row, several nozzles two (11) in spray beam (12) distribution in a row, between nozzle one (10) and nozzle two (11) mutually at an angle of 90.
5. 18 cold mill emulsified liquid injection gears as claimed in claim 4, it is characterized in that: described nozzle one (10) and nozzle two (11) are interspersed in spray beam (12), and often adjacent two nozzles one (10), spacing often between adjacent two nozzles two (11) are 40 ~ 60mm.
6. 18 cold mill emulsified liquid injection gears as described in claim 1 or 4 or 5, is characterized in that: described nozzle two (11) is 10 ~ 15 ° with band steel (5) length direction angle.
7. 18 cold mill emulsified liquid injection gears as described in claim 1 or 4 or 5, is characterized in that: described nozzle one (10) is 12 ~ 16mm to the jet length of side backing roll (7) roll surface.
8. the application of 18 cold mill emulsified liquid injection gears as described in any one of claim 1 ~ 7: it is characterized in that: one end of the spray beam (12) on each side support frame (2) all connects emulsion pipeline (15), this emulsion pipeline (15) is provided with flow control valve (13), flow sensor (14), pressure-control valve (16) and pressure sensor (17), flow control valve (13) and flow sensor (14) control the emulsion flow flowing into each spray beam (12), pressure-control valve (16) and pressure sensor (17) control the expulsion pressure of each spray beam (12) top nozzle one (10) and nozzle two (11).
9. the application of 18 cold mill emulsified liquid injection gears as claimed in claim 8: it is characterized in that: spray beam (12) flow-control on described each side support frame (2) is 40 ~ 300L/min.
10. the application of 18 cold mill emulsified liquid injection gears as claimed in claim 8: it is characterized in that: the expulsion pressure of described spray beam (12) top nozzle one (10) and nozzle two (11) controls to be 0.4 ~ 0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853419.6A CN105382041B (en) | 2015-11-30 | 2015-11-30 | A kind of 18 cold mill emulsified liquid injection gears and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853419.6A CN105382041B (en) | 2015-11-30 | 2015-11-30 | A kind of 18 cold mill emulsified liquid injection gears and its application |
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| Publication Number | Publication Date |
|---|---|
| CN105382041A true CN105382041A (en) | 2016-03-09 |
| CN105382041B CN105382041B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510853419.6A Active CN105382041B (en) | 2015-11-30 | 2015-11-30 | A kind of 18 cold mill emulsified liquid injection gears and its application |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442569A (en) * | 2017-07-21 | 2017-12-08 | 中冶南方工程技术有限公司 | A kind of eighteen-high mill for rolling metal strip |
| CN108097723A (en) * | 2017-12-15 | 2018-06-01 | 无锡华精新材股份有限公司 | Roll orientation silicon steel 20 roller mill distribution cooling devices and application method |
| CN109530433A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of Cold Rolling System of stainless steel band |
| CN109530437A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of cold rolling process and stainless steel band of stainless steel band |
| CN109530436A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of cold rolling process and stainless steel band of stainless steel band |
| CN110421011A (en) * | 2019-08-16 | 2019-11-08 | 中冶南方工程技术有限公司 | Caliberating device and scaling method for the collateral bearing apparatus of 18 roller mills |
| CN114871279A (en) * | 2022-05-18 | 2022-08-09 | 山西太钢不锈钢股份有限公司 | Method for supporting printing defects on surface side of strip steel of stainless steel emulsion continuous liquid-cooling rolling mill |
| EP3762161B1 (en) | 2018-03-05 | 2024-04-24 | Fives DMS | Rolling method with a step for adjusting the interspace between the side bearing roller and the support roller |
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| CN103934291A (en) * | 2013-01-21 | 2014-07-23 | 宝山钢铁股份有限公司 | Lubricating method for rolling of stainless steel products on tandem cold rolling mill |
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| JPH0550130A (en) * | 1991-08-19 | 1993-03-02 | Nisshin Steel Co Ltd | Method for preventing oil pattern from being generated on cold rolled steel strip |
| CN1151914A (en) * | 1995-11-20 | 1997-06-18 | Sms舒路曼-斯玛公司 | Apparatus for influence of rolled band steel profile |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442569A (en) * | 2017-07-21 | 2017-12-08 | 中冶南方工程技术有限公司 | A kind of eighteen-high mill for rolling metal strip |
| CN107442569B (en) * | 2017-07-21 | 2019-04-19 | 中冶南方工程技术有限公司 | A kind of eighteen-high mill for rolling metal strip |
| CN108097723A (en) * | 2017-12-15 | 2018-06-01 | 无锡华精新材股份有限公司 | Roll orientation silicon steel 20 roller mill distribution cooling devices and application method |
| CN108097723B (en) * | 2017-12-15 | 2024-03-19 | 无锡华精新材股份有限公司 | Distributed cooling device of 20-roll mill for rolling oriented silicon steel and use method |
| EP3762161B1 (en) | 2018-03-05 | 2024-04-24 | Fives DMS | Rolling method with a step for adjusting the interspace between the side bearing roller and the support roller |
| CN109530433A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of Cold Rolling System of stainless steel band |
| CN109530437A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of cold rolling process and stainless steel band of stainless steel band |
| CN109530436A (en) * | 2018-12-11 | 2019-03-29 | 佛山市诚德新材料有限公司 | A kind of cold rolling process and stainless steel band of stainless steel band |
| CN109530436B (en) * | 2018-12-11 | 2020-06-19 | 佛山市诚德新材料有限公司 | Cold rolling method of stainless steel band and stainless steel band |
| CN109530433B (en) * | 2018-12-11 | 2023-12-08 | 佛山市诚德新材料有限公司 | Cold rolling system of stainless steel strip |
| CN110421011A (en) * | 2019-08-16 | 2019-11-08 | 中冶南方工程技术有限公司 | Caliberating device and scaling method for the collateral bearing apparatus of 18 roller mills |
| CN114871279A (en) * | 2022-05-18 | 2022-08-09 | 山西太钢不锈钢股份有限公司 | Method for supporting printing defects on surface side of strip steel of stainless steel emulsion continuous liquid-cooling rolling mill |
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Effective date of registration: 20180507 Address after: 430223 No. 33, University Garden Road, East Lake New Technology Development Zone, Wuhan, Hubei Applicant after: WISDRI Engineering & Research Incorporation Limited Applicant after: WISDRI (Xinyu) Cold Processing Engineering Co., Ltd. Address before: 430223 No. 33, University Garden Road, East Lake New Technology Development Zone, Wuhan, Hubei Applicant before: WISDRI Engineering & Research Incorporation Limited |
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