CN104646440B - A kind of Cold-strip Steel Surface emulsion cleaning device and method - Google Patents
A kind of Cold-strip Steel Surface emulsion cleaning device and method Download PDFInfo
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- CN104646440B CN104646440B CN201510044874.1A CN201510044874A CN104646440B CN 104646440 B CN104646440 B CN 104646440B CN 201510044874 A CN201510044874 A CN 201510044874A CN 104646440 B CN104646440 B CN 104646440B
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Abstract
The invention discloses a kind of Cold-strip Steel Surface emulsion cleaning device and method, this device includes that blowing mechanism at top working roll and upper backup roll roll gap, strip steel upper surface sealing liquid mechanism, top working roll surface liquid removing mechanism, strip steel lower surface are except liquid mechanism, strip steel upper surface blowing mechanism, upper backup roll surface liquid removing mechanism；The method is mainly the sequencing of conservative control emulsion spraying system and the open and close of emulsion cleaning device, multiple sweep-out method coordinated is made to constitute an entirety, improve the elimination effect of milling train outlet side belt steel surface emulsion further, concurrently disinfect the residual of the privileged sites emulsions such as strip steel head, afterbody, edge, improve the surface quality of strip steel finished product.
Description
Technical field
The present invention relates to cold rolling technology field, especially relate to a kind of Cold-strip Steel Surface emulsion cleaning device and method.
Background technology
During cold-strip steel, owing to the operation of rolling is lubricated, makes roll keep cooling by needs, a large amount of emulsifying can be used
Liquid.After rolling terminates, it is necessary to the emulsion remaining in belt steel surface is disposed, otherwise, serious quality problems can be brought
Emulsion spot, strip steel black speck, strip steel black vaginal discharge, belt steel surface are dirty, coiling machine skidding etc..Common sweep-out method is to use
Finished strip surface is purged by big flow constriction air, in purge, when compressed air purging pressure is relatively low, and nothing
Method effectively removes emulsion, causes emulsion residue serious；When compressed air purging pressure is excessive, stronger air-flow can be produced
Reflection, causes emulsion to splash.Therefore, the simple method using compressed air purging can not effectively remove belt steel surface residual
Emulsion.
For making up the deficiency of compressed air purging, Chinese patent (CN102671966A) is further on the basis of compressed air purges
Use negative pressure-pumping method.The principle of negative pressure-pumping method is: increase enclosed hood or sealing plate etc. device, at top working roll, strip steel
Forming a space the most airtight between upper surface, enclosed hood or sealing plate, this space is connected with negative pressure generating device, profit
Emulsion is taken away by the negative pressure produced with negative pressure generating device.This scheme needs special negative pressure generating device, adds energy consumption；
It is additionally, since top working roll and strip steel is all motion so that the sealing of confined space is relatively low, and negative pressure does not often reach work
Standard, causes emulsion to be difficult to be sucked away, drops to strip steel upper surface under the effect of gravity and centrifugal force, and elimination effect is the most not
Preferable.
It addition, in order to remove the emulsion remained of strip steel lower surface, Chinese patent (CN203356222U) is further under strip steel
Side is provided with negative suction system.But the emulsion remained skewness on strip width direction of strip steel lower surface, especially carries
The edge of steel both sides has a large amount of emulsions taken out of at roll gap and is purged to a large amount of emulsions of edge by compressed air, and
Negative pressure-pumping method suction capactity is relatively small, cannot sop up such substantial amounts of emulsion at all, causes the limit of strip steel in the operation of rolling
There is more Coolant Stains in portion.
Prior art is all to arrange emulsion cleaning device, to the belt steel surface just completing rolling at the outlet side of next-door neighbour's milling train
Emulsion is purged, but the residual for privileged sites emulsions such as strip steel head, afterbody, edge is the most effectively removed
Method.
Summary of the invention
The technical problem to be solved in the present invention is: provide the removing device and method of a kind of Cold-strip Steel Surface emulsion, the method
By the coordinated of multiple reset mode, improve the elimination effect of milling train outlet side belt steel surface emulsion further, the most clear
Residual except privileged sites emulsions such as strip steel head, afterbody, edge, it is to avoid because air-flow reflection and the emulsion that causes splashes,
The defects such as drippage, thus the overall problem solving band steel surface residual emulsion, improve the surface quality of strip steel finished product.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of Cold-strip Steel Surface emulsion cleaning device, including upper stripper, lower stripper, top working roll and upper support
Blowing mechanism at roller gap, described emulsion cleaning device also include being positioned at milling train outlet side strip steel upper surface sealing liquid mechanism, on
Work roll surface except liquid mechanism, strip steel lower surface except liquid mechanism, strip steel upper surface blowing mechanism and be positioned at inlet of rolling mill side upper
Cheng Gun surface liquid removing mechanism, described strip steel upper surface sealing liquid mechanism is arranged on the lower surface of described upper stripper, described upper work
Zuo Gun surface liquid removing mechanism is arranged in the front end shovel head of described upper stripper, and described strip steel lower surface is arranged at institute except liquid mechanism
Stating on lower stripper, described strip steel upper surface blowing mechanism is fixed in frame and is arranged at along upper anti-described in the strip steel direction of motion
Twine the rear of guide plate.
Preferably, described strip steel upper surface sealing liquid mechanism includes multiple nozzle and the pipeline connected with compressed gas source, described pipeline from
On is down connected with described nozzle through described upper stripper, described pipeline and the employing seamless link of described upper stripper.
Preferably, described top working roll surface liquid removing mechanism include air cleft, gas-flow deflector, pressure chamber, collecting tank and with pressure
The pipeline of contracting source of the gas connection, described air cleft is arranged in the front end shovel head of described upper stripper and along described top working roll length side
To layout, described gas-flow deflector is arranged at described air cleft opening part, and described pressure chamber is for being positioned at described upper stripper front end shovel
Cavity within Tou, described collecting tank is the cell body that described upper stripper front end shovel head is formed with described gas-flow deflector, described
The surface that upper stripper front end shovel head is close to described top working roll is the recessed post matched with described top working roll external cylindrical surface
Face.
Preferably, described strip steel lower surface includes multiple negative pressure-pumping suction nozzle and multiple nozzle except liquid mechanism, and described suction nozzle is arranged at
In the shovel head of lower stripper front end and in a plurality of linear array being parallel to strip width direction, described nozzle is positioned at strip steel lower surface
The lower section of both sides edge, described nozzle is connected with compressed gas source by pipeline.
Preferably, described suction nozzle is air amplifier structure, and described suction nozzle is connected with compressed gas source by pipeline, described suction nozzle and
The pipeline of conveying compressed gas is connected by fast insertion type joint, and described suction nozzle and described nozzle are parallel to strip width side at same
To straight line on arrange.
Preferably, described strip steel upper surface blowing mechanism includes purging beam and multiple edge purge nozzle, described edge purge nozzle
It is arranged at the described purging beam rear along the strip steel direction of motion, described purging beam is provided with multiple nozzle, described purging beam nozzle
It is connected with compressed gas source by pipeline with described edge purge nozzle.
Preferably, described upper backup roll surface liquid removing mechanism is scraping fluid plate or roller wiper, and described scraping fluid plate or roll-type are wiped
Clearance automatic compensation mechanism it is provided with in wiping device.
Preferably, on described upper stripper and be located remotely between the end face of described top working roll and described collecting tank and be provided with gear
Plate, described baffle plate and the strip steel direction of motion are 45 °～135 °.
A kind of Cold-strip Steel Surface emulsion sweep-out method, comprises the following steps:
(1). opening emulsion cleaning device, be then turned on emulsion spraying system, rolled band steel starts；
(2). by blowing mechanism at top working roll and upper backup roll roll gap, work up and blow at the roll gap between roller and upper backup roll
Send compressed gas, by roll gap between top working roll and upper backup roll pile up emulsion remove；
(3). being removed by the emulsion on upper backup roll surface by upper backup roll surface liquid removing mechanism, the emulsion of removing is dropped in and rolls
Machine entrance side, clearance automatic compensation mechanism compensates the gap occurred between upper backup roll surface liquid removing mechanism and upper backup roll automatically；
(4). by strip steel upper surface sealing liquid mechanism, the strip steel upper surface worked up between roller and upper stripper blows compressed gas
Body, by emulsion closure near between top working roll and strip steel in the region of roll gap, the emulsion of excess is from strip steel both sides edge
Flow out；
(5). compressed gas is delivered to the pressure chamber in top working roll surface liquid removing mechanism by pipeline, and compressed gas is by pressure chamber voltage stabilizing
After sprayed by air cleft, make jet-impingement direction and the top working roll face of cylinder tangent by gas-flow deflector and rotate with top working roll
Direction is identical, and then the emulsion on top working roll surface is peeled off by compressed gas, and by emulsion band to collecting tank, emulsion from
Collecting tank both-side opening flows out, and the recessed cylinder of upper stripper front end shovel head and top working roll outer circumference surface are kept a fixed gap,
Compressed gas, after described air cleft sprays, forms a negative pressuren zone in air cleft exit so that the emulsion on top working roll surface is being opened
Begin to be maintained absorption when entering space on top working roll surface；
(6). remove the emulsion of strip steel lower surface by strip steel lower surface except the suction nozzle negative pressure-pumping in liquid mechanism, by under strip steel
Nozzle in surface liquid removing mechanism, blows compressed gas to the both sides edge of strip steel lower surface, removes strip steel lower surface both sides edge
Emulsion；
(7). by the multiple nozzles on the purging beam in strip steel upper surface blowing mechanism will after step (1)～(6) table on strip steel
The emulsion of face residual carries out purging and removes, and will be blown through purging beam by the edge purge nozzle in strip steel upper surface blowing mechanism
The emulsion remaining in strip steel both sides edge after sweeping carries out purging removing；
(8). the emulsion that baffle collected is splashed, the emulsion after collection flow to the collecting tank on stripper, from collecting tank two
Side opening flows out；
(9). rolled band steel terminates, and closes emulsion spraying system, is then shut off emulsion cleaning device.
Preferably, in described step (5), the gas pressure of air cleft ejection is 0.2MPa～0.25MPa, described upper stripper front end
Space between recessed cylinder and the described top working roll external cylindrical surface of shovel head is 3mm～5mm.
The invention has the beneficial effects as follows:
1. producing in reality, the emulsion of major part emulsion spraying system injection accumulates in the seam of top working roll and strip steel upper surface
At gap and top working roll surface.The present invention passes through air cleft jet compression gas, utilizes the high pressure of compressed gas, is formed " air knife ",
The emulsion on top working roll surface is peeled off, the emulsion after stripping by air-flow band to being positioned at the collecting tank of air cleft back upper place, along receiving
Collection groove both sides are flowed out；The front end shovel head of upper stripper is transformed into the recessed cylinder matched with top working roll external cylindrical surface and keeps
One fixed gap, compressed gas, after described air cleft sprays, forms a negative pressuren zone in air cleft outlet near gap so that upper work
The emulsion on roller surface is maintained absorption on top working roll surface when initially entering space, with the rotation of top working roll by breast
Change liquid and be adsorbed to the enforcement stripping of " air knife " working area, improve " air knife " further and peel off the effect of emulsion, thus solve
Use negative pressure-pumping method that top working roll surfactant emulsion liquid is aspirated existing defect, effectively prevent emulsion from upper work
Make roller surface and drop onto belt steel surface, greatly reduce the strip Coolant Stains of strip steel upper surface middle part, edge.
2. will accumulate at the top working roll gap with strip steel upper surface and top working roll table in top working roll surface liquid removing mechanism
On the basis of most of emulsion in face is removed, the present invention uses compressed gas to block remaining emulsion close further
Between top working roll and strip steel in the region of roll gap, the emulsion of excess flows out from strip steel both sides edge, thus solves tradition side
The problems such as the emulsion using high pressure air purging to produce in method splashes, waste compressed air, energy consumption are high.Top working roll table
Face except liquid mechanism combine strip steel upper surface sealing liquid mechanism can effectively by accumulating at the top working roll gap with strip steel upper surface and
A large amount of emulsions on top working roll surface are removed clean.
3., by arranging baffle plate on upper stripper, the space of a relative closure can be formed between frame and baffle plate,
Stop, collect the splashing emulsion produced because of compressed gas purging, it is to avoid it is the completeest that the emulsion of splashing falls after stripper
Becoming the belt steel surface of clear operation, cause secondary pollution, the emulsion after collection flow to the collecting tank on stripper, fully
Make use of existing equipment.
4. it is arranged at the suction nozzle on lower stripper self and can produce negative pressure, it is not necessary to connect negative pressure generating device, improve suction
Ability, whole system simple in construction, failure rate is low, maintenance is convenient, and while negative pressure-pumping, increases compressed gas
Purging, the two combination substantially increases the elimination effect that strip steel lower surface is emulsion remained, solves simple employing negative pressure-pumping method
Existing defect.
5. the present invention is while being optimized improvement to the removing device on milling train outlet side stripper, then at upper stripper
Purging beam and edge purge nozzle are set up in rear so that multiple sweep-out method forms gradient coordinated, constitutes an entirety, has
Decrease to effect take the lead, the residual of the privileged sites emulsion such as magnetic tape trailer, edge, thus be integrally improved the surface matter of finished strip
Amount.
Accompanying drawing explanation
The structural representation of the Cold-strip Steel Surface emulsion cleaning device that Fig. 1 provides for the embodiment of the present invention；
Top working roll surface liquid removing mechanism in the Cold-strip Steel Surface emulsion cleaning device that Fig. 2 provides for the embodiment of the present invention
Structural representation；
Strip steel lower surface in the Cold-strip Steel Surface emulsion cleaning device that Fig. 3 provides for the embodiment of the present invention is except the knot of liquid mechanism
Structure schematic diagram.
In figure: 1 strip steel, 2 top working rolls, 3 upper backup rolls, stripper on 4,5 times strippers, 6 top working rolls are with upper
Supporting blowing mechanism at roller gap, 7 strip steel upper surface sealing liquid mechanisms, 8 top working roll surface liquid removing mechanisms, 9 strip steel lower surfaces remove
Liquid mechanism, 91 nozzles, 92 suction nozzles, 10 purging beams, 11 edge purge nozzle, 12 baffle plates, 13 upper backup roll surface liquid removing machines
Structure, 14 pushing mechanisms, 15 front end shovel head, 16 air clefts, 17 gas-flow deflectors, 18 pressure chamberes, 19 collecting tanks.
Detailed description of the invention
In order to further appreciate that the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should manage
Solving, these describe simply for further illustrating inventive feature and a little rather than limiting to the claimed invention.
The invention provides a kind of Cold-strip Steel Surface emulsion cleaning device, including upper stripper 4, lower stripper 5, position
Blowing mechanism 6, strip steel upper surface sealing liquid mechanism 7, top working roll table at top working roll and the upper backup roll roll gap of milling train outlet side
Face is except liquid mechanism 8, strip steel lower surface are except liquid mechanism 9, strip steel upper surface blowing mechanism and the upper backup roll table being positioned at inlet of rolling mill side
Liquid mechanism 13 is removed in face.
Strip steel upper surface sealing liquid mechanism 7 is arranged on the lower surface of stripper 4, including multiple nozzles and and compressed gas source
The pipeline of connection, pipeline is connected through upper stripper 4 with nozzle from top to bottom, and pipeline and upper stripper 4 use seamless company
Connect.Pipeline and upper stripper 4 use seamless link, do not have gap, and this kind of design can make stripper 4 form one
Do not have apertured plate body, prevent the emulsion of stripper upper surface from flowing out from gap, drop to strip steel upper surface.
Top working roll surface liquid removing mechanism 8 is arranged in the front end shovel head of stripper 4, top working roll surface liquid removing mechanism 8
Including air cleft 16, gas-flow deflector 17, pressure chamber 18, collecting tank 19 and the pipeline connected with compressed gas source, air cleft 16
Being arranged in the front end shovel head 15 of stripper 4 and arrange along top working roll 2 length direction, gas-flow deflector 17 is arranged at
Air cleft 16 opening part, pressure chamber 18 is to be positioned at the cavity within stripper front end shovel head 15, and collecting tank 19 is upper anti-tangle
The cell body that bar nose shovel head 15 is formed with described gas-flow deflector 17.Upper stripper front end shovel head 4 is tight with top working roll 2
Adjacent surface is the recessed cylinder matched with top working roll 2 external cylindrical surface.
Strip steel lower surface is arranged on described lower stripper 5 except liquid mechanism 9, and strip steel lower surface includes multiple negative except liquid mechanism 9
Pressure suction suction nozzle 92 and multiple nozzle 91, suction nozzle 92 is arranged in the shovel head of lower stripper 5 front end and is parallel to strip steel in a plurality of
The linear array of 1 width, nozzle 91 is positioned at the lower section of strip steel 1 lower surface both sides edge, and nozzle 91 is by pipeline and pressure
Contracting source of the gas connects.Preferably, suction nozzle 92 for the air amplifier structure of negative pressure self can be produced, suction nozzle 92 by pipeline with
Compressed gas source connects, and suction nozzle 92 and nozzle 91 are arranged on the straight line that same is parallel to strip width direction.Suction nozzle 92 is with defeated
The pipeline sending compressed gas is connected by fast insertion type joint, shortens the clean and maintenance time of suction nozzle.
Strip steel upper surface blowing mechanism is fixed in frame and is arranged at the rear along stripper 4 upper described in the strip steel direction of motion,
Including purging beam 10 and multiple edge purge nozzle 11, edge purge nozzle 11 is arranged at purging beam 10 along the strip steel direction of motion
Rear, purging beam 10 is provided with multiple nozzle, purging beam 10 nozzle and edge purge nozzle 11 are by pipeline and compressed gas
Source connects.In the present embodiment, purging beam 10 is V-shaped.
Upper backup roll surface liquid removing mechanism 13 is scraping fluid plate or roller wiper, between being provided with in scraping fluid plate or roller wiper
Gap compensation mechanism.
On upper stripper 4 and be located remotely between the end face of top working roll 2 and collecting tank 19 and be provided with baffle plate 12, baffle plate
12 with strip steel 1 direction of motion be 45 °～135 °.
Upper stripper 4 and lower stripper 5 promoted by pushing mechanism 14 and can along rolling direction away from or near corresponding
Upper and lower working roll, is provided with position sensor in pushing mechanism 14, can monitor upper and lower stripper and corresponding upper and lower work
Make the gap between roller.
Present invention also offers a kind of Cold-strip Steel Surface emulsion sweep-out method, comprise the following steps:
(1). first turning on emulsion cleaning device, be then turned on emulsion spraying system, rolled band steel starts.Strictly control to open
Emulsion cleaning device and the sequencing of emulsion spraying system, can avoid a large amount of emulsion to stick to belt steel surface, but
Strip steel has moved across removing device, the problem that emulsion cannot be removed.
(2). by blowing mechanism 6 at top working roll and upper backup roll roll gap, to roll gap between top working roll 2 and upper backup roll 3
The emulsion at place carries out purging and removes, and reduces the alluvial of emulsion between upper backup roll and top working roll, prevents emulsion from milling train
Entrance side enters outlet side, reduces emulsion droplet and falls on stripper 4.
(3). by upper backup roll surface liquid removing mechanism 13, the emulsion on upper backup roll 3 surface is removed, the emulsion droplet of removing
Fall in inlet of rolling mill side, it is to avoid a large amount of emulsions are taken to milling train outlet side by upper backup roll 3, are dropped in the band being complete rolling
Steel 1 surface.In the present embodiment, clearance automatic compensation mechanism is set, when scraping fluid plate or roll-type are wiped in scraping fluid plate or roller wiper
When wipe device because attrition etc. gap occurs between reason and upper backup roll 3, compensation mechanism can compensate this gap automatically.
(4). by multiple nozzles of strip steel upper surface sealing liquid mechanism 7, work up the strip steel between roller 2 and upper stripper 4
1 upper surface blows compressed gas, the flow of conservative control compressed gas, pressure, and the spray with fan-shaped purging face is preferably used
Mouth, by emulsion closure in the region of top working roll roll gap, the emulsion of excess can flow out from strip steel both sides edge, from
And solve that the emulsion using high pressure air purging to produce in traditional method splashes, waste compressed air, energy consumption is high asks
Topic.
(5). compressed gas is delivered to the pressure chamber 18 in top working roll surface liquid removing mechanism 8 by pipeline, and compressed gas is by pressure chamber
Sprayed by air cleft 16 after 18 voltage stabilizings, make jet-impingement direction and top working roll 2 face of cylinder tangent by gas-flow deflector 17 and
Identical with top working roll 2 rotation direction, formed " air knife ", and then the emulsion on top working roll surface 2 is peeled off by compressed gas,
And by emulsion band to collecting tank 19, emulsion flows out from collecting tank 19 both-side opening, in the present embodiment, air cleft 16 ejection
Gas pressure is 0.2MPa～0.25MPa, and the recessed cylinder of upper stripper front end shovel head 15 keeps with top working roll 2 outer circumference surface
One fixed gap, compressed gas, after described air cleft 16 sprays, exports at air cleft 16 and forms a negative pressuren zone near gap so that
The emulsion on top working roll 2 surface is maintained when initially entering space and adsorbs on top working roll 2 surface, increases by " gas
Cutter " peel off the emulsifying liquid measure taken away, in the present embodiment, the recessed cylinder of the front end shovel head 15 of upper stripper 4 and described upper work
Space between roller 2 external cylindrical surface is 3mm～5mm.The method solves employing negative pressure-pumping method to top working roll surfactant emulsion liquid
Carry out aspirating existing defect, effectively prevent emulsion to drop onto strip steel upper surface from top working roll surface, greatly reduce
Strip steel upper surface middle part, the strip Coolant Stains of edge.
(6). by strip steel lower surface except the emulsion of multiple suction nozzles suction strip steel lower surface of liquid mechanism 9, by strip steel lower surface
Except multiple nozzles of liquid mechanism, the both sides edge to strip steel 1 lower surface blows compressed gas, removes strip steel lower surface both sides edge
Emulsion.Preferably, suction nozzle is the air amplifier structure that self can produce negative pressure, and suction nozzle and nozzle are with being parallel to band
Arrange on the straight line of steel 1 width.In the present embodiment, nozzle is SILWENT710 type air nozzle.Under due to anti-tangle
On guide plate, the suction nozzle of 5 self can produce negative pressure, it is not necessary to connects negative pressure generating device, improves suction capactity, and whole system is tied
Structure is simple, failure rate is low, and maintenance is convenient, and while negative pressure-pumping, increases compressed gas purging, and the two combines big
Improve greatly the elimination effect that strip steel lower surface is emulsion remained, solve and use merely the defect existing for negative pressure-pumping method.
(7). strip steel moves across above-mentioned steps (1)～(6), and the emulsion of overwhelming majority belt steel surface has been cleared by, but can not
Avoiding having the emulsion residue that the reasons such as splashing, drippage cause, the present invention takes into full account production reality, further upper anti-
Twine guide plate rear and strip steel upper surface blowing mechanism is set, will be carried after step (1)～(6) by the multiple nozzles on purging beam 10
The emulsion of steel upper surface residual carries out purging and removes, and will be remained in by edge purge nozzle 11 after purging beam 10 purges
The emulsion of strip steel both sides edge carries out purging and removes, and in the present embodiment, purging beam 10 is V-shaped, and purging beam 10 is by pipe
Road is connected with compressed gas source, and purging beam 10 top nozzle and strip steel upper surface angle are 30 °～45 °, simultaneously be parallel to strip steel
The strip steel vertical angle of centrage is 10 °～20 °, i.e. nozzle purging direction is not the most contrary with the strip steel direction of motion, and
It is biased into steel edge portion certain angle, is positioned at edge on the left of the nozzle deflection strip steel on the left of strip steel upper surface centrage, is positioned at strip steel
Edge on the right side of nozzle deflection strip steel on the right side of upper surface centrage, nozzle purging face can cover on whole strip steel in the direction of the width
Surface.Due to on-the-spot bleed pressure and stability of flow, select according to actually used situation that air consumption is low, purging power is big
SILWENT705 type air nozzle.In the present embodiment, edge purge nozzle is SILWENT710 type air nozzle.This improves
The problem that at the end of head takes emulsion, rolling out of when efficiently solving strip steel threading, tail part of band steel is emulsion remained.
While the sweep-out method that the present invention mentions in step (2)～(6) is optimized improvement, it is additionally arranged step (7), makes
The abundant coordinated of multiple sweep-out method, constitute an entirety, effectively reduce take the lead, the privileged sites such as magnetic tape trailer, edge
The residual of emulsion, thus it is integrally improved the surface quality of finished strip.
(8). on upper stripper 4 and be located remotely between the end face of top working roll 2 and collecting tank 19 and be provided with baffle plate 12,
Baffle plate 12 and the strip steel direction of motion are 45 °～135 °, preferably 90 °.By baffle plate 12, can be at frame and baffle plate 12
Between formed a relative closure space, stop, collects because of compressed gas purging generation splashing emulsion, it is to avoid splashing
Emulsion falls the belt steel surface being complete clear operation after upper stripper, causes secondary pollution, the emulsion after collection
The collecting tank 19 flowing on stripper, takes full advantage of existing equipment.
(9). rolled band steel terminates, and closes emulsion spraying system, is then shut off emulsion cleaning device.The most strictly control
Close the sequencing of emulsion cleaning device and emulsion spraying system, a large amount of emulsion can be avoided to stick to belt steel surface,
But remove device to have been switched off, the problem that emulsion cannot be removed.
Above a kind of Cold-strip Steel Surface emulsion cleaning device provided by the present invention and method are described in detail.Herein
In apply specific case principle and the embodiment of the present invention be set forth, the explanation of above example is only intended to help
Understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, do not taking off
On the premise of the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into this
In bright scope of the claims.
Claims (2)
1. a Cold-strip Steel Surface emulsion sweep-out method, it is characterised in that comprise the following steps:
(1). opening emulsion cleaning device, be then turned on emulsion spraying system, rolled band steel starts；
(2). by blowing mechanism at top working roll and upper backup roll roll gap, work up and blow at the roll gap between roller and upper backup roll
Send compressed gas, by roll gap between top working roll and upper backup roll pile up emulsion remove；
(3). being removed by the emulsion on upper backup roll surface by upper backup roll surface liquid removing mechanism, the emulsion of removing is dropped in and rolls
Machine entrance side, clearance automatic compensation mechanism compensates the gap occurred between upper backup roll surface liquid removing mechanism and upper backup roll automatically；
(4). by strip steel upper surface sealing liquid mechanism, the strip steel upper surface worked up between roller and upper stripper blows compressed gas
Body, by emulsion closure near between top working roll and strip steel in the region of roll gap, the emulsion of excess is from strip steel both sides edge
Flow out；
(5). compressed gas is delivered to the pressure chamber in top working roll surface liquid removing mechanism by pipeline, and compressed gas is by pressure chamber voltage stabilizing
After sprayed by air cleft, make jet-impingement direction and the top working roll face of cylinder tangent by gas-flow deflector and rotate with top working roll
Direction is identical, and then the emulsion on top working roll surface is peeled off by compressed gas, and by emulsion band to collecting tank, emulsion from
Collecting tank both-side opening flows out, and the recessed cylinder of upper stripper front end shovel head and top working roll outer circumference surface are kept a fixed gap,
Compressed gas, after described air cleft sprays, forms a negative pressuren zone in air cleft exit so that the emulsion on top working roll surface is being opened
Begin to be maintained absorption when entering space on top working roll surface；
(6). remove the emulsion of strip steel lower surface by strip steel lower surface except the suction nozzle negative pressure-pumping in liquid mechanism, by under strip steel
Nozzle in surface liquid removing mechanism, blows compressed gas to the both sides edge of strip steel lower surface, removes strip steel lower surface both sides edge
Emulsion；
(7). by the multiple nozzles on the purging beam in strip steel upper surface blowing mechanism will after step (1)～(6) table on strip steel
The emulsion of face residual carries out purging and removes, and will be blown through purging beam by the edge purge nozzle in strip steel upper surface blowing mechanism
The emulsion remaining in strip steel both sides edge after sweeping carries out purging removing；
(8). the emulsion that baffle collected is splashed, the emulsion after collection flow to the collecting tank on stripper, from collecting tank two
Side opening flows out；
(9). rolled band steel terminates, and closes emulsion spraying system, is then shut off emulsion cleaning device.
Cold-strip Steel Surface emulsion sweep-out method the most according to claim 1, it is characterised in that gas in described step (5)
The gas pressure of seam ejection is 0.2MPa～0.25MPa, the recessed cylinder of described upper stripper front end shovel head and described top working roll
Space between external cylindrical surface is 3mm～5mm.
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| CN201510044874.1A CN104646440B (en) | 2015-01-28 | 2015-01-28 | A kind of Cold-strip Steel Surface emulsion cleaning device and method |
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| CN201510044874.1A CN104646440B (en) | 2015-01-28 | 2015-01-28 | A kind of Cold-strip Steel Surface emulsion cleaning device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105268751A (en) * | 2015-11-30 | 2016-01-27 | 武汉钢铁(集团)公司 | Cold rolling emulsion purging method and purging system thereof |
| CN106734265B (en) * | 2017-01-09 | 2018-08-17 | 中冶南方工程技术有限公司 | The wet jetting piles pattern planisher strip cleaning device and its method of high-speed rolling |
| CN107309284A (en) * | 2017-06-28 | 2017-11-03 | 柳州钢铁股份有限公司 | Remove the emulsion remained device of Cold tandem mill strip steel edge |
| CN108465706A (en) * | 2018-03-15 | 2018-08-31 | 包头钢铁（集团）有限责任公司 | The control method of emulsion sweep module and emulsion sweep module |
| CN110877051B (en) * | 2019-11-28 | 2021-03-23 | 德清县荣昌冷轧带钢有限公司 | Cold rolling equipment for steel plate production |
| CN113579003B (en) * | 2021-05-06 | 2023-06-23 | 中冶南方工程技术有限公司 | Levelling machine and purging process thereof |
| CN113843292B (en) * | 2021-09-26 | 2024-03-29 | 张家港扬子江冷轧板有限公司 | Single-frame cold rolling equipment |
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| CN203356222U (en) * | 2013-06-07 | 2013-12-25 | 中山中粤马口铁工业有限公司 | Device for removing emulsion from board surface of rolling mill |
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| US5737796A (en) * | 1996-09-11 | 1998-04-14 | T. Sendzimir, Inc. | Roll type strip wiping system |
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| DE19506899A1 (en) * | 1995-02-20 | 1996-08-22 | Mannesmann Ag | Device for removing oil from rollers |
| CN201150942Y (en) * | 2007-11-22 | 2008-11-19 | 中国第一重型机械集团公司 | Novel emulsion cleaning device |
| CN101780485A (en) * | 2009-12-30 | 2010-07-21 | 一重集团大连设计研究院有限公司 | Emulsion cleaning device |
| CN202438556U (en) * | 2012-02-29 | 2012-09-19 | 扬州冶金机械有限公司 | Strip plate face blowing device of six-roll cold rolling mill |
| CN203356222U (en) * | 2013-06-07 | 2013-12-25 | 中山中粤马口铁工业有限公司 | Device for removing emulsion from board surface of rolling mill |
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| CN104646440A (en) | 2015-05-27 |
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