CN105499286B - A kind of online blow device of board rolling liquid - Google Patents
A kind of online blow device of board rolling liquid Download PDFInfo
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- CN105499286B CN105499286B CN201610045403.7A CN201610045403A CN105499286B CN 105499286 B CN105499286 B CN 105499286B CN 201610045403 A CN201610045403 A CN 201610045403A CN 105499286 B CN105499286 B CN 105499286B
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- Prior art keywords
- strip
- blowing mechanism
- purging
- nozzle
- branch
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Classifications
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- 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
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0278—Cleaning devices removing liquids
- B21B45/0284—Cleaning devices removing liquids removing lubricants
Abstract
A kind of online blow device of board rolling liquid, including main blowing mechanism (1), the first side blowing mechanism (2), the connection end drift angle of the main blowing mechanism (1) causes nozzle (1.3) towards the outside jet airstream in strip edges direction towards roll；The first side blowing mechanism (2) is respectively equipped with the band side end of the described first purging branch (1.1) and the second purging branch (1.2)；Described first while blowing mechanism include first while scavenging conduit (2.1), its port of export is connected with least one first side purge nozzle (2.2), the port of export of first side scavenging conduit (2.1) extends to the side of sewing on of roll and strip joint, and nozzle (2.2) is swept to strip edges direction jet airstream in first side.The online blow device of board rolling liquid so that the emulsion remained in plate face is progressively blown strip both sides, and the emulsion remained in plate face is without board surface quality has obtained basic improvement.
Description
Technical field
The present invention relates to the technical field of metal coil tape, and in particular to a kind of online blow device of board rolling liquid.
Background technology
The volume processing of tinplate band is that the thicker strip rolling that steel plant produce is made into thin steel strip to be then rolled into coil of strip, the operation of rolling
The lubrication of bundle rolling mill compound is needed, the rolling mill compound is necessary for rolling, and therefore brings matting, drying work to follow-up
Sequence.Even if there is such process, due to continuous wash, always there is the residual of rolling mill compound and cause local rolling mill compound to remain scar
Mass defect.Then, rolling mill compound is purged immediately after rolling, the residual of rolling mill compound just is reduced into minimum turn on source improves
The common recognition of quality.Then, it is that steel band rolling improves quality to study a kind of online wiping tool suitably specifically for rolling mill compound
It is necessary.
But blow device of the prior art, all it is individually to consider the purging effect of itself, but purging effect is phase
For spouting liquid, if above the spouting liquid of rolling mill compound is very big, then good blow device its effect can also have a greatly reduced quality.Separately
Outside, research blow device will also study the distribution of the steel strip surface liquid residue under specific liquid-jet device, and according to its distribution
And specific wiping tool is designed, only in this way design, blow device can just have optimal purging effect.
The content of the invention
For defect present in above-mentioned prior art, it is an object of the invention to provide a kind of board rolling liquid to blow online
Sweeping device.
The object of the present invention is achieved like this, a kind of online blow device of board rolling liquid, including main blowing mechanism,
One side blowing mechanism, the main blowing mechanism include first purging branch and second purging branch, it is described first purging branch and
Second purging branch has connection end and forms connection top with side end, connection end connection respectively；Branch is purged first
Purged with second and multiple nozzles are respectively provided with branch, the connection end drift angle causes nozzle towards strip side towards roll
Outwards spray compressed air stream in edge direction；
The first side blowing mechanism is respectively equipped with the band side end of the described first purging branch and the second purging branch；Described
One side blowing mechanism includes the first side scavenging conduit, and branch and second is purged described first in the first side scavenging conduit arrival end connection
The band side end of branch is purged, the port of export is connected with least one first side purge nozzle, the port of export of first side scavenging conduit
The side of sewing on of roll and strip joint is extended to, first side sweeps nozzle and sprays compressed air stream to strip edges direction；
The distance of the nozzle of first side blowing mechanism to strip edges is less than or equal to the 1/3 of plate width.
Further, the first purging branch on the connection top and the second purging branch and the center line of strip length direction
Angle is 50 °~80 °.
Further, first side blowing mechanism is located at the upstream of the strip direct of travel of main blowing mechanism, is exporting
At side roll and the roll gap on strip surface.
Further, first side purge nozzle and the roll axis are in 40 °~60 °.
Further, in addition to the second side blowing mechanism, second side blowing mechanism are located at the strip of main blowing mechanism
The downstream of direct of travel；Described second while blowing mechanism include second while scavenging conduit, the second side scavenging conduit arrival end be band side end,
Described second when the port of export of scavenging conduit is provided with least two the second purge nozzle, second side scavenging conduit tilt simultaneously it is symmetrical
It is arranged at plate width direction both sides arrangement and is constructed so that the second side purge nozzle sprays compressed air towards strip edges direction
Stream.
Further, second side scavenging conduit and the strip length direction center line angle are 40~50 °.
Further, the second side purge nozzle is disposed on the end of the second scavenging conduit along the axis of the second scavenging conduit respectively
Portion, farthest away from end the second side purge nozzle apart from the plate width of the strip edges moon 1/3.
Further, described first in blowing mechanism and/or second blowing mechanism (3) be arranged on strip in front of roll
At least side.
Further, in addition to rolling mill compound is segmented control amount injection apparatus, including main injection pipe, between the main injection pipe is uniform
Every provided with nozzle, the main injection pipe is divided into intermediate region and two side areas, and intermediate region is corresponding in the bandwidth center line both sides
About 1/3 width regions altogether；To strip edges it is two side areas on the outside of intermediate region；The two side areas nozzle spouting liquid is less than
Intermediate region nozzle spouting liquid.
Further, the nozzle diameter of the nozzle of the intermediate region is the nozzle diameter of the two side areas nozzle
1.5~2 times.
The online blow device of board rolling liquid has following technical spirit：
1) rolling mill compound segmentation control amount injection apparatus, distribution of the rolling mill compound in bandwidth direction is considered, it is as far as possible equal in width
Even distribution rolling mill compound, consider first supply side spouting liquid is uniform and minimum spouting liquid；
2) devise the first side blowing mechanism, focus on blowing away first for strip edges emulsion, because roll is in rolling,
Emulsion is flowed uniformly in strip from roll, after strip goes out roll, on roll and strip contact width direction, emulsion
Distribution be both sides it is more among it is few the characteristics of, applicant have observed that such characteristic distributions, so as to devise the first side purging machine
Structure, the maximum emulsion of the amount of ensure that first are blown away.
3) inclined design of main blowing mechanism, the first purging branch of main blowing mechanism and the second purging branched layout are into making
Nozzle is obtained towards the outside jet airstream in strip edges direction.So design be in order to by the rolling mill compound among strip among strip
Blow to strip edges area or blowout strip edges.
4) it is aided with the second side blowing mechanism, the rolling mill compound in strip passes through the purging of two steps interaction, only remaining edge
Area remains part rolling mill compound, and the second side blowing mechanism is exactly to concentrate one's energy last edge residual also to blow away.
Above-mentioned to be arranged in pairs or groups respectively improvements from supply side and purging side, supply side is accomplished to be uniformly distributed, in guarantee rolling lubrication
Under the premise of reduce spouting liquid as far as possible, so give one reliable premise of blow device, and three mechanisms of roll exit side are in work(
Mutual support can be gone up, according to the characteristic distributions of emulsion, each plays effect, these effects cooperate again, after combination always
Technique effect is more than the part effect sum of each built-up section, i.e., the rolling mill compound that three mechanisms cooperate whole bandwidth direction
All blow away, the improvement of supply side make it that the technique effect of blow device is more obvious.
The present invention compared with prior art, the online blow device of board rolling liquid so that the emulsification remained in plate face
Liquid is progressively blown strip both sides, and the emulsion remained in plate face is without board surface quality has obtained basic improvement.
Brief description of the drawings
Fig. 1 is the front view of the online blow device of board rolling liquid of the present invention.
Fig. 2 is the top view of the online blow device of board rolling liquid of the present invention.Wherein, a) filled for a kind of injection of rolling mill compound
Put, b) roll liquid jetting device to be another.
Fig. 3 is the online blow device of prior art board rolling liquid.Wherein, a) it is front view, b) it is top view.
Fig. 4 is roll exit side roll and strip seam crossing rolling mill compound distribution map.
Reference in above-mentioned figure：
1 main blowing mechanism, 2 first side blowing mechanisms, 3 second side blowing mechanisms, 4 strips, 5 rolls
1.1 first purging branches, 1.2 second purging branches, 1.3 nozzles
2.1 first side scavenging conduits, 2.2 first side purge nozzles
3.1 second side scavenging conduits, 3.2 second side purge nozzles
α first purges branch and the second purging branch the center line angle with strip length direction respectively
A β left sides second while scavenging conduit 3.1 and it is right second while scavenging conduit 3.2 respectively with the strip length direction center line angle
Embodiment
Embodiments of the invention are elaborated below in conjunction with accompanying drawing, but are not limited to the scope of the present invention.
As shown in figure 4, be uniformly sprayed at through applicant using a variety of shower nozzles on Rolling roller, Rolling roller outlet side roll with
The distribution situation of the rolling mill compound of strip seam crossing detection plate belt surface shows that rolling mill compound is symmetrically divided with strip length direction center line
Cloth, strip center line is called in the following text in length direction center line, in the bandwidth region of strip center line both sides about 1/3, rolling mill compound distribution is less, more leans on
Edge rolling mill compound is more, and reason is that rolling mill compound is squeezed the both sides for being discharged to strip and flowed down by rolling for roll.
Then applicant is directed to the distribution situation of the rolling liquid, during the design online blow device of rolling mill compound, such as Fig. 2 a) and institute
Show, especially devise rolling mill compound segmentation control amount injection apparatus 6 first, including main injection pipe 6.1, the main injection pipe 6.1 are equal
Even to be interval with nozzle 6.2, the main injection pipe 6.1 divides to be corresponded in the band for intermediate region and two side areas, intermediate region
Wide center line both sides about 1/3 width regions altogether；To strip edges it is two side areas on the outside of intermediate region；The spray of the intermediate region
The nozzle diameter of mouth 6.2 is 1.5~2 times of the nozzle diameter of the two side areas nozzle 6.2.And the spouting liquid of the nozzle can
Big minor adjustment.
This rolling mill compound segmentation control amount injection apparatus 6 first by rolling mill compound segment identifier sub-control spouting liquid number, reduce
Both sides spouting liquid, with equilibrium due to the amount of the rolling mill compound of crowding-out effect increase strip both sides, gentle both sides rolling mill compound curve as far as possible
Steep, accomplish rolling mill compound plate width direction as far as possible be uniformly distributed.And the size of the spouting liquid of nozzle can adjust,
Minimum spouting liquid can be defined as to roll according to rolling mill compound uniform fold is met during actual use, uniformly to divide in rolling mill compound
The spouting liquid of controlled rolling liquid is unlikely to purging effect that is too many and influenceing online blow device below on the premise of cloth.
Such as Fig. 2 b) shown in, rolling mill compound segmentation control amount injection apparatus 6 can also use fan-shaped spray mouth, and bandwidth is covered in injection
90%~95%, this is a kind of simple realization mode.
A kind of online blow device of board rolling liquid, including main blowing mechanism 1, first blow at blowing mechanism 2 and second
Mechanism 3 is swept, the main blowing mechanism 1 includes the first purging branch 1.1 and second and purges branch 1.2, the first purging branch
1.1 have and connects end and with side end respectively with the second purging branch 1.2, and connection end connection, which is formed, connects top, the company
The first purging branch 1.1 and second on logical top purge branch 1.2 respectively with the center line angle α of strip length direction for 50 °~
80°.The side end of the first purging branch 1.1 is compressed air inlet, and the band side end of the second purging branch 1.2 is compression
Air outlet slit；Purged in the first purging branch 1.1 and second and be respectively provided with multiple nozzles 1.3, the company in branch 1.2
Go side drift angle is towards pricking roller, and such nozzle 1.3 is towards the outside jet airstream in bandwidth direction.
In the described first purging branch 1.1 and the width side for connecting top and being located at the strip of the second purging branch 1.2
To centre position.
The band side end that branch 1.2 is purged in the described first purging branch 1.1 and second is respectively equipped with the first side blowing mechanism
2；First side blowing mechanism 2 is located at the upstream of main blowing mechanism 1, at the roll gap on outlet side roll Yu strip surface；Institute
State first while blowing mechanism include first while scavenging conduit 2.1, the arrival end of the first side scavenging conduit 2.1 connect described first
The band side end that branch 1.1 and second purges branch 1.2 is purged, the port of export is connected with the first side purge nozzle 2.2, first side
The port of export of scavenging conduit 2.1 extends to the side of sewing on of roll and strip joint, and nozzle 2.2 is swept to strip edges in first side
Direction jet airstream.
Second side blowing mechanism 3 is located at main blowing mechanism 1) strip direct of travel downstream；Blow on second side
Sweeping mechanism 3 includes the second side scavenging conduit 3.1, and the arrival end of the second side scavenging conduit 3.1 is with side end, second side scavenging conduit 3.1
The port of export be provided with the second side of at least two purge nozzle 3.2, second side scavenging conduit 3.1 tilts and is symmetricly set in strip
Width both sides arrangement is constructed so that the second side purge nozzle 3.2 towards strip edges direction jet airstream.It is it is preferred that described
The scavenging conduit 3.2 in scavenging conduit 3.1 and the right side second of a left side second is in respectively 40-50 ° with the strip length direction center line angle β.
The main blowing mechanism 1, first blowing mechanism 3 at blowing mechanism 2 and second is arranged at least side of strip.
Before transformation, there are two rows to be used to purge plate with the vertically arranged nozzle of strip length direction in the exit of strip
Emulsion on face, but the emulsion blown afloat splashes back in plate face again, causes the emulsion residue in plate face relatively more, influences to produce
Quality.
After transformation, two the first side purge nozzles 2.2 are respectively added at the roll gap of upper working rolls and lower working rolls, accumulate in roll gap both ends
Emulsion, and the emulsion of amount maximum are first blown away, and remaining emulsion purges by the nozzle of main blowing mechanism 1 again, point
Both sides are not blowed to, would not be returned in plate face, after being purged by this twice, the emulsion remained in plate face is only on side
There is a seldom part in portion, so, then in downstream edge adds two tracheaes of the second side blowing mechanism, there is at least two the above
Two side purge nozzles 3.2, last edge residual are also blown away.
The online blow device of board rolling liquid so that the emulsion remained in plate face is progressively blown strip both sides,
The emulsion remained in plate face is without board surface quality has obtained basic improvement.
Claims (9)
1. a kind of online blow device of board rolling liquid, is included in roll exit side is set gradually along strip direct of travel first
Side blowing mechanism (2) and main blowing mechanism (1), it is characterised in that
The main blowing mechanism (1) includes the first purging branch (1.1) and the second purging branch (1.2), first purging point
Branch (1.1) has respectively with the second purging branch (1.2) connects end and with side end, the first purging branch and the second purging point
The connection end connection of branch forms connection top；It is respectively separated and sets in the first purging branch (1.1) and the second purging branch (1.2)
Multiple nozzles (1.3) are equipped with, the connection top drift angle causes nozzle (1.3) outwards to be sprayed towards strip edges direction towards roll
Compressed air stream；
The band side end of the first purging branch (1.1) and the second purging branch (1.2) is respectively equipped with the first side blowing mechanism
(2)；First side blowing mechanism is located at the upstream of main blowing mechanism, the roll gap on roll exit side roll Yu strip surface
Place；Described first while blowing mechanism include first while scavenging conduit (2.1), first side scavenging conduit (2.1) arrival end connect described
First purging branch (1.1) and the band side end of the second purging branch (1.2), the port of export are connected with least one first side purging spray
Mouth (2.2), the port of export of first side scavenging conduit (2.1) extend to the side of sewing on of roll and strip joint, and described first
Side purge nozzle (2.2) sprays compressed air stream to strip edges direction；
Described first in the first of blowing mechanism (2) purge nozzle (2.2) to strip edges distance be less than or equal to strip it is wide
The 1/3 of degree；
Also include the rolling mill compound segmentation control amount injection apparatus (6) for being arranged on roll entrance side, the rolling mill compound segmentation control amount injection
Device includes main injection pipe (6.1), and the main injection pipe (6.1) is divided into intermediate region and two side areas, the two side areas spray
Mouth spouting liquid is less than intermediate region nozzle spouting liquid.
2. the online blow device of board rolling liquid as claimed in claim 1, it is characterised in that first purging on the connection top
The center line angle (α) of branch (1.1) and the second purging branch (1.2) and strip length direction is 50 °~80 °.
3. the online blow device of board rolling liquid as claimed in claim 1, it is characterised in that first side purge nozzle
(2.2) it is in 40 °~60 ° with the roll axis.
4. the online blow device of board rolling liquid as claimed in claim 1, it is characterised in that also including the second side blowing mechanism
(3), second side blowing mechanism (3) is located at the downstream of the strip direct of travel of main blowing mechanism (1)；The second side purging
Mechanism (3) includes the second side scavenging conduit (3.1), and second side scavenging conduit (3.1) arrival end is with side end, second side scavenging conduit
(3.1) the port of export is provided with the second side of at least two purge nozzle (3.2), and second side scavenging conduit (3.1) is tilted and symmetrically set
It is placed in plate width direction both sides arrangement and is constructed so that the second side purge nozzle (3.2) sprays compression sky towards strip edges direction
Air-flow.
5. the online blow device of board rolling liquid as claimed in claim 4, it is characterised in that second side scavenging conduit (3.1)
It it is 40~50 ° with the strip length direction center line angle (β).
6. the online blow device of board rolling liquid as claimed in claim 4, it is characterised in that the second side purge nozzle (3.2) point
Not along second when the axis of scavenging conduit (3.1) is disposed on second scavenging conduit end, blown farthest away from the second side of end
Nozzle (3.2) is swept apart from the plate width of strip edges about 1/3.
7. the online blow device of board rolling liquid as described in claim 4-6 is any, it is characterised in that first side purging machine
Structure (2) and/or the second side blowing mechanism (3) are arranged at least side of strip in front of roll.
8. the online blow device of board rolling liquid as claimed in claim 7, it is characterised in that the main injection pipe (6.1) is uniform
It is interval with nozzle (6.2), intermediate region is corresponding in the plate width center line both sides about 1/3 width regions altogether；In middle area
Overseas side to strip edges are two side areas.
9. the online blow device of board rolling liquid as claimed in claim 8, it is characterised in that the nozzle of the intermediate region
(6.2) nozzle diameter is 1.5~2 times of the nozzle diameter of the two side areas nozzle (6.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045403.7A CN105499286B (en) | 2016-01-25 | 2016-01-25 | A kind of online blow device of board rolling liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045403.7A CN105499286B (en) | 2016-01-25 | 2016-01-25 | A kind of online blow device of board rolling liquid |
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| Publication Number | Publication Date |
|---|---|
| CN105499286A CN105499286A (en) | 2016-04-20 |
| CN105499286B true CN105499286B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610045403.7A Active CN105499286B (en) | 2016-01-25 | 2016-01-25 | A kind of online blow device of board rolling liquid |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985909A (en) * | 2018-01-03 | 2019-07-09 | Sms集团有限公司 | Strip edge blow device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236371Y (en) * | 1995-09-20 | 1996-10-02 | 宝山钢铁(集团)公司 | Coolant emulsion liquid blowing remover for cold rolled band steel |
| JP2012030278A (en) * | 2010-08-03 | 2012-02-16 | Nippon Steel Corp | Lubricating supply method in cold-rolling and lubricating supply device |
| CN202779171U (en) * | 2012-07-31 | 2013-03-13 | 中冶南方工程技术有限公司 | Novel tempering lubricant purging device |
| CN203470496U (en) * | 2013-08-15 | 2014-03-12 | 天津市皇泰新型机电节能材料有限公司 | Novel air blowing device |
| CN203862701U (en) * | 2013-12-12 | 2014-10-08 | 武汉钢铁(集团)公司 | Electrogalvanizing steel plate on-line blowing-sweeping device |
| CN205628929U (en) * | 2016-01-25 | 2016-10-12 | 天津炬坤金属科技有限公司 | Slab band rolling mill compound sweeps device on line |
-
2016
- 2016-01-25 CN CN201610045403.7A patent/CN105499286B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236371Y (en) * | 1995-09-20 | 1996-10-02 | 宝山钢铁(集团)公司 | Coolant emulsion liquid blowing remover for cold rolled band steel |
| JP2012030278A (en) * | 2010-08-03 | 2012-02-16 | Nippon Steel Corp | Lubricating supply method in cold-rolling and lubricating supply device |
| CN202779171U (en) * | 2012-07-31 | 2013-03-13 | 中冶南方工程技术有限公司 | Novel tempering lubricant purging device |
| CN203470496U (en) * | 2013-08-15 | 2014-03-12 | 天津市皇泰新型机电节能材料有限公司 | Novel air blowing device |
| CN203862701U (en) * | 2013-12-12 | 2014-10-08 | 武汉钢铁(集团)公司 | Electrogalvanizing steel plate on-line blowing-sweeping device |
| CN205628929U (en) * | 2016-01-25 | 2016-10-12 | 天津炬坤金属科技有限公司 | Slab band rolling mill compound sweeps device on line |
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| CN105499286A (en) | 2016-04-20 |
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