CN107755437B - A kind of throwing stream cleaning system and cleaning method for Cold-strip Steel Surface cleaning - Google Patents
A kind of throwing stream cleaning system and cleaning method for Cold-strip Steel Surface cleaning Download PDFInfo
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- CN107755437B CN107755437B CN201610694437.9A CN201610694437A CN107755437B CN 107755437 B CN107755437 B CN 107755437B CN 201610694437 A CN201610694437 A CN 201610694437A CN 107755437 B CN107755437 B CN 107755437B
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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
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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
- B21B45/0272—Cleaning compositions
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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
- B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
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- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of throwing stream cleaning systems and cleaning method for Cold-strip Steel Surface cleaning, including the multiple groups cleaning unit being set on strip, cleaning unit includes centrifugation casting device and blowing mechanism, centrifugation casting device is dislocation arrangement above and below strip, and the symmetrical setting of centrifugation casting device being centrifuged below casting device and strip above strip, blowing mechanism is also set to above and below strip, being centrifuged casting device includes casting head, rotary shaft, inlet tube and centrifuge blade, headgear is cast to be set in rotary shaft, make to cast head around rotation axis angular rate rotation, centrifuge blade has several pieces, uniform intervals are set on the outside for casting head, several pieces centrifuge blades are made to form round, inlet tube is set in rotary shaft, blowing mechanism includes compressed air hose and several spray heads on compressed air hose.The present invention can be realized the complete cleaning to the strip two sides before coating after cold rolling, and simplify the process flow in existing strip cleaning technology.
Description
Technical field
The present invention relates to Cold-strip Steel Surface cleaning techniques, clear for Cold-strip Steel Surface more specifically to one kind
The throwing stream cleaning system and cleaning method washed.
Background technique
With the development of steel and iron industry, requirement of the market to coating plate is higher and higher, such as Automobile Plate, appliance plate, not only
Have good deep drawing quality, coating, corrosion resistance, also to there is good coating appearance and coating binding force, this just to coating before
The clean-up performance of belt steel surface is put forward higher requirements.And belt steel surface has many ROLLING OILs, machine oil, iron after cold rolling
The dirts such as powder and dust, the solid particle in these dirts can cause the annealing furnace roller dross before coating, and then in strip table
Face generates impression and scuffing, influences strip surface quality, in addition, failing the grease vapored away completely, will also become after annealing residual
Carbide is stayed, appearance is not only damaged, but also causes coating adhesion poor, influences the competitiveness of coating product, it is therefore, necessary before coating
Cold-strip Steel Surface is cleaned.
Cleaning process can remove the foul that belt steel surface is generated in cold rolling or storage before coating, generally adopt in the prior art
Cleaning method is the processes such as alkali cleaning, scrub, electrolytic cleaned, hot water scrub, rinsing, drying, and the mechanism of cleaning is to utilize
The method of dipping by lye or spray is reacted with ROLLING OIL generates water-soluble soap and glycerol, and in band in the way of electrolysis
Hydrogen and oxygen bubbles is precipitated in steel surface, destroys oil film and takes away grease.
Prior art cleaning method complex technical process, device is long and big, and investment construction is costly, brush in the prior art
Roller causes brush roll significantly to wear with belt steel surface Mechanical Contact, replaces brush roll according to the most every three months of the method for operation, this production
Raw sizable cost, and brush roll generates scratch in belt steel surface sometimes during scrub, and strip surface quality is caused to lack
It falls into, the prior art uses electrolytic cleaned, and current density is very big, consumes a large amount of electric energy, and the prior art is disappeared using multistage hot water rinsing
Consume great lot of water resources.
Based on this, to solve the problems, such as that conventional method is brought, a large amount of research have passed through, have developed multiple technologies and setting
It is standby, to substitute traditional cleaning method.As disclosed a kind of use electrolytic cleaned and high injection in United States Patent (USP) US6547886B1
The strip cleaning method and device of cleaning is flowed, which is cleaned using high-pressure jet instead of scrub, and band is avoided
Steel cleans rear surface mass defect, but device is still more complicated, and electrolytic cleaned needs to consume larger electric energy, and high-pressure jet cleans
Fluid pressure easily loses in device, and energy consumption is higher.It is for another example disclosed in European patent EP 0870854A1 a kind of using high pressure
The strip cleaning method and device of jet flow cleaning and ultrasonic cleaning, the cleaning method is instead of in traditional strip cleaning method
Electrolytic cleaned and scrub, cleaning effect is preferable, but ultrasonic cleaning equipment structure is more complex, and equipment investment is larger, newest height
Jet flow cleaning technique provides high pressure using high-pressure pump, and high-pressure pump, nozzle are easy to damage, seriously affects cleaning effect and unit produces
Energy.
Summary of the invention
In view of the above defects of the prior art, it is clear for Cold-strip Steel Surface that the object of the present invention is to provide one kind
The throwing stream cleaning system and cleaning method washed can be realized the complete cleaning to the strip two sides before coating after cold rolling, Er Qiejian
Change the process flow in existing strip cleaning technology.
To achieve the above object, the present invention adopts the following technical scheme:
On the one hand, a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning, the multiple groups including being set on strip are clear
Unit is washed, every group of cleaning unit includes centrifugation casting device and blowing mechanism, after blowing mechanism is set to centrifugation casting device
End, centrifugation casting device is dislocation arrangement above and below strip, and centrifugation casting device and strip above strip
The symmetrical setting of centrifugation casting device of lower section, blowing mechanism are also set to above and below strip, and centrifugation casting device includes
Head, rotary shaft, inlet tube and centrifuge blade are cast, headgear is cast and is set in rotary shaft, makes to cast head around rotation axis angular rate rotation
Turn, centrifuge blade has several pieces, and uniform intervals are set on the outside for casting head, several pieces centrifuge blades is made to form round, feed liquor
Pipe is set in rotary shaft, and cleaning solution to be directed into centrifugation casting device, blowing mechanism includes compressed air hose and is set to
Several spray heads on compressed air hose.
The exradius of the centrifuge blade is greater than the maximum outside diameter of inlet tube.
The angular speed is 1200r/min~2400r/min.
The centrifuge blade is 4~16.
Surface above and below the rotary shaft and strip is in 0~60 ° of angle setting.
The centrifugation casting device is arranged along strip width direction transverse shifting.
The cleaning solution is the deionized water of heat, the lye of heat or the liquid containing additive.
The deionized water of the heat is 50~90 DEG C, and pH value is 6.5~9, and the alkali liquid temperature is 50~90 DEG C, dense
Degree is 0~30g/L, and the additive is sodium metasilicate, surfactant or sodium phosphate.
On the other hand, a kind of throwing stream cleaning method for Cold-strip Steel Surface cleaning, comprising the following steps:
S1. multiple groups cleaning unit is set in strip traffic direction, centrifugation casting device is dislocation arrangement set on strip
Above and below, and the centrifugation casting device above strip and the symmetrical setting of centrifugation casting device below strip, it will purge
Mechanism is set to the rear end of centrifugation casting device, is also set to above and below strip；
S2. blowing mechanism is connected into compressed air source, and after starting blowing mechanism, centrifugation casting device is also rotated,
By cleaning solution by inlet tube be directed into centrifugation casting device in, make cleaning solution with centrifugation casting device rotate, generate from
Mental and physical efforts；
S3. under the influence of centrifugal force, cleaning solution is made to fly out outward along centrifuge blade, to carry out to belt steel surface clear
It washes；
S4. after cleaned strip is run to blowing mechanism, blowing mechanism purges belt steel surface, removes strip
The cleaning solution or residue on surface.
In the S2, the direction of rotation of the ipsilateral two neighboring centrifugation casting device of strip is opposite.
In the above technical solution, beneficial effects of the present invention are as follows, and the cleaning system is using the method for casting liquid stream
Belt steel surface is cleaned, can be realized the complete cleaning to the strip two sides before coating after cold rolling, and simplify existing
Process flow in strip cleaning technology reduces energy consumption, reduces disposal of pollutants, realizes energy conservation and environmental protection, can also substitute existing
It is original not influence producing line to meet the requirement of coating unit great surface quality for strip cleaning section unit before coating after some cold rollings
Production capacity.
Detailed description of the invention
Fig. 1 is structure top view of the invention；
Fig. 2 is the lower view of Fig. 1；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the schematic diagram of the embodiment of the present invention one；
Fig. 5 is the top view of Fig. 4；
The schematic diagram of Fig. 6 embodiment of the present invention two；
Fig. 7 is the top view of Fig. 6.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 3, a kind of throwing stream for Cold-strip Steel Surface cleaning provided by the present invention cleans system
System, including the multiple groups cleaning unit 100 being set on strip 1, every group of cleaning unit 100 include centrifugation casting device 2a, 2b, 2c,
2d and blowing mechanism, blowing mechanism be set to centrifugation casting device 2a, 2b, 2c, 2d rear end, centrifugation casting device 2a, 2b, 2c,
2d is dislocation arrangement above and below strip 1, and 1 lower section centrifugation casting device 2a, 2b of 1 top of strip and strip
It is centrifuged the symmetrical setting of casting device 2c, 2d, the purpose is to ensure the linear velocity on cleaning solution impact 1 surface of strip, jet stream distribution
State etc. is all completely the same, so that it is guaranteed that under strip 1, the cleaning quality of lower surface it is just the same.In practical cleaning process, band
1 upper and lower surfaces of steel need same cleaning quality, it is therefore desirable to realize with centrifugation casting device 2a, 2b, 2c, 2d of model clear
Washing lotion is cast, moreover, centrifugation casting device 2a, 2b, 2c, 2d with model replace convenient for subsequent equipment management and maintenance.It blows
It sweeps mechanism to be also set to above and below strip 1, blowing mechanism is set to the rear end of centrifugation casting device 2a, 2b, 2c, 2d, centrifugation
Casting device 2a, 2b, 2c, 2d include casting head 201, rotary shaft 202, inlet tube 203 and centrifuge blade 204, cast head 201
It is set in rotary shaft 202, enables to cast head 201 around the center axis thereof of rotary shaft 202, centrifuge blade 204 has number
Piece, uniform intervals are set on the outside for casting head 201, several pieces centrifuge blades 204 is made to form round, and inlet tube 203 is set to rotation
In shaft 202, cleaning solution to be directed into centrifugation casting device 2a, 2b, 2c, 2d, such inlet tube 203 casts head 201
High speed rotation, while inlet tube 203 can be carried out with centrifuge blade 204 with same angle around the central axis of rotary shaft 202
Interior cleaning solution is also rotate together at high speed therewith, it is made to generate certain centrifugal force, it is promoted to flow to according to scheduled channel
On high-speed rotating centrifuge blade 204, under the influence of centrifugal force, cleaning solution is detached from centrifugation under the rotation of centrifuge blade 204
The surface of blade 204, and flown out outward along the tangential direction of 204 outer circle of centrifuge blade to the surface of strip 1, realize cleaning solution
Accelerate, cast and the process of cleaning, blowing mechanism include compressed air hose 3 and several spray heads 4 on compressed air hose 3,
Strip 1 is after centrifugation casting device 2a, 2b, 2c, 2d cleaning, and reruning, (arrow direction is in Fig. 1 to blowing mechanism position
Strip traffic direction), compressed air hose 3 connects compressed air source, is purged, is made again to 1 surface of strip using several spray heads 4
The cleaning solution and residue on 1 surface of strip quickly remove completely, drying, the cleaning on 1 surface of strip are realized, so that it is clear to complete whole road
Wash process.
Preferably, the exradius of the centrifuge blade 204 is greater than the maximum outside diameter of inlet tube 203, cleaning solution passes through
Inlet tube 203 is delivered in centrifugation casting device 2a, 2b, 2c, 2d in the state of certain pressure and flow velocity, and rotary shaft 202 exists
Fixed angular speed rotation is generated under the action of external drive source, at the same drive be connected thereto the centrifuge blade 204 in face together with
It is rotated with angular speed, keeps 204 angular speed of centrifuge blade identical as 202 angular speed of rotary shaft, under the effect of this angular speed, make to be centrifuged
Cleaning solution in casting device 2a, 2b, 2c, 2d generates certain centrifugal force, it is promoted to flow to high speed according to scheduled channel
On the centrifuge blade 204 of rotation, and centrifuge blade 204 is because its exradius is more significantly larger than the maximum outside diameter of inlet tube 203, therefore
, in the case where same constant angular velocity acts on, linear speed significantly increases for it, so realizes acceleration to cleaning solution, at the same from
Under mental power function, cleaning solution is detached from the surface of centrifuge blade 204 under the acceleration of centrifuge blade 204, and along centrifuge blade
The tangential direction of 204 outer circles is flown out outward to the surface of strip 1.
Preferably, the angular speed is generally in the range of 1200r/min~2400r/min.
Preferably, the centrifuge blade 204 is 4~16, the company of drive under the action of external drive source of rotary shaft 202
Centrifuge blade 204 thereon is together with the rotation of same angular speed.
Preferably, the surface above and below the rotary shaft 202 and strip 1 is arranged in 0~60 ° of angle, convenient for clear
Washing lotion jet stream directly impacts running strip 1, and impact dynamics is bigger, it is easier to by iron powder, the ROLLING OIL etc. on 1 surface of strip
It washes down, cleaning effect is more preferable.
Preferably, described centrifugation casting device 2a, 2b, 2c, the 2d is arranged along 1 width direction transverse shifting of strip, guarantee
The cleaning effect of 1 upper and lower surfaces edge of strip.
Preferably, the cleaning solution is the deionized water of heat, the lye of heat or the liquid containing additive, the heat
Deionized water be 50~90 DEG C, pH value be 6.5~9, the alkali liquid temperature be 50~90 DEG C, concentration be 0~30g/L, institute
The additive stated is sodium metasilicate, surfactant or sodium phosphate etc..
Using a kind of throwing stream cleaning method for Cold-strip Steel Surface cleaning provided by the present invention, including following step
It is rapid:
S1. in the upper setting multiple groups cleaning unit 100 of 1 traffic direction of strip, because the cleaning ability of single cleaning unit has
Limit, during actual production, for the cleaning requirement for meeting 1 surface of unit strip, multiple cleaning units 100 can be gone here and there
Connection, to improve cleaning ability and unit speed.Each centrifugation casting device 2a, 2b, 2c, 2d is in dislocation in the upper and lower of strip 1
Distribution, is specifically dislocatedly distributed are as follows: centrifugation casting device 2a and centrifugation casting device 2b is in the dislocation point of the upper width direction of strip 1
Cloth, centrifugation casting device 2c and centrifugation casting device 2d are dislocatedly distributed in the lower width direction of strip 1, and each centrifugation casts dress
The jet stream for setting 2a, 2b, 2c, 2d all forms a mapping distributed areas respectively, and among these, centrifugation casting device 2a and centrifugation are cast
There are a coincidence length in device 2b, and centrifugation casting device 2c and the mapping distributed areas being centrifuged between casting device 2d
L1, being overlapped length L1 can guarantee to obtain good cleaning effect in the middle part of strip 1, be overlapped the range of length L1 in 100~400mm
Left and right, in addition, centrifugation casting device 2a and centrifugation casting device 2c, is symmetrical set in the upper and lower of strip 1, it is same to be centrifuged
Casting device 2b and centrifugation casting device 2d, is also symmetrical set, it is ensured that the upper and lower table of strip 1 in the upper and lower of strip 1
Face obtains same cleaning quality, and 1 upper and lower surfaces uniform force of strip, avoids the vibration of strip 1.It is centrifuged casting device
Quantity is traditionally arranged to be even number, and the centrifugation casting device quantity of 1 upper and lower of strip is answered equal.And centrifugation casting device 2a,
2b, 2c, 2d can also be moved along 1 width direction of strip, to guarantee the cleaning quality of 1 edge of strip.
S2. blowing mechanism is connected into compressed air source, and starts centrifugation casting device 2a, 2b, 2c, 2d and is also rotated,
The direction of rotation of two centrifugations casting device 2a, 2b of the top of strip 1 on the contrary, the absolute value of as angular speed W1 and W2 is equal,
On the contrary, the absolute value of as angular speed W3 and W4 is equal, the purpose is to true for the direction of rotation of same centrifugation casting device 2c, 2d
It is all completely the same to protect linear velocity, the jet stream distribution on cleaning solution impact 1 surface of strip etc., so that it is guaranteed that 1 upper and lower surfaces of strip
Cleaning quality it is just the same, cleaning solution is directed into centrifugation casting device 2a, 2b, 2c, 2d by inlet tube 203, is made clear
Washing lotion is rotated with centrifugation casting device 2a, 2b, 2c, 2d, generates centrifugal force.
S3. under the influence of centrifugal force, cleaning solution is under 204 acceleration of centrifuge blade along 204 outer circle of centrifuge blade
Tangential direction flies out outward, the whole process for accelerating, casting of cleaning solution is realized, to clean to 1 surface of strip.
S4. at the cleaned operation to blowing mechanism of strip 1, the spray head 4 of blowing mechanism to cleaned 1 surface of strip into
Row purging, removes the cleaning solution or residue on 1 surface of strip.
Incorporated by reference to Fig. 4 and the specific distribution shown in fig. 5 implemented one, clean when wide specification strip steel 1 for the present invention.Strip 1
It needs cleaning section to be made of two cleaning units 100a, 100b, is arranged in the leading portion and back segment of 1 traffic direction of strip,
The centrifugation casting device of two cleaning units 100a, 100b are identical with blowing mechanism arrangement form, all cast comprising six centrifugations
Device respectively arranges three in the upper and lower of strip 1, and centrifugation casting device is arranged symmetrically in 1 upper and lower of strip, wherein arrangement
Three centrifugation casting devices above or below strip 1 are arranged in two edge and the middle part of 1 width direction of strip, and
Centrifugation casting device in two edge can adjust in the width direction according to 1 width specifications of strip, to guarantee entire 1 width of strip
Cleaning effect.
The rotary shaft 202 and 1 upper and lower surfaces of strip of all centrifugation casting devices are provided parallel to state, as centrifugal
The rotary shaft 202 of injection device and the centerline parallel of 1 traffic direction of strip.
The cleaning solution that the cleaning unit 100a being arranged on 1 traffic direction back segment of strip is used is 75 DEG C of temperature, concentration
The NaOH solution of 20g/L, centrifuge blade are provided with 12, and the revolving speed for being centrifuged casting device is 1500r/min.
The deionization that the cleaning solution that the cleaning unit 100b being arranged on 1 traffic direction leading portion of strip is used is 75 DEG C of temperature
Water, centrifuge blade are provided with 12, and the revolving speed for being centrifuged casting device is 1500r/min.
Strip 1 crimps after cold rolling mill, is cleaned before then entering back into coating unit, coil of strip exists at this time
The continuous treatment welded end to end is realized under the action of producing line preposition equipment, i.e., strip 1 is before entering cleaning unit 100a
Become the serialization strip (metal foil) an of indefinite length, temperature is not higher than 100 DEG C, the unit tension before and after producing line
It is run along roller-way to cleaning unit 100a under effect, at this time 75 DEG C of temperature, the NaOH solution of concentration 20g/L is through inlet tube
203 enter centrifugation casting device, and the centrifuge blade 204 for being mounted on centrifugation casting device accelerates NaOH solution, in centrifugal force
Lower NaOH solution high-speed projectile is acted on to 1 surface of strip, cast liquid stream by the hard composition granule such as the iron powder on 1 surface of strip, dust into
Row is loosened, is removed, while NaOH solution reacts generation soap and glycerol with greases such as the ROLLING OILs on 1 surface of strip, soap and sweet
Oil is removed under the impact for casting liquid stream from 1 surface of strip；Then strip 1 is being pressed by the blowing mechanism of cleaning unit 100a
Under the purging of contracting air, the liquid on 1 surface of strip is clean by purging.
Strip 1 from cleaning unit 100a come out after, immediately enter cleaning unit 100b, at this time 75 DEG C of temperature of deionized water
Entering centrifugation casting device through inlet tube 203, the centrifuge blade 204 for being mounted on centrifugation casting device accelerates deionized water,
Deionized water high-speed projectile is to 1 surface of strip under the action of centrifugal force, cast water flow by the lye of 1 surface residual of strip, soap,
Glycerol etc. is removed；Then strip 1 is by the blowing mechanism of cleaning unit 100b, and under the purging of compressed air, 1 surface of strip is residual
The water mark stayed quickly removes, and realizes drying, the cleaning on 1 surface of strip, completes the cleaning process of strip.
The cleaning to 1 surface of cold-strip steel is so just realized, so that 1 surface of strip is clean, cleaning, to ensure its entrance
The treatment effect of next process section, such as annealing, coating are not influenced when next process section.
Incorporated by reference to Fig. 6 and the specific distribution shown in Fig. 7 implemented two, clean when narrow specification strip steel 1 for the present invention.Strip 1
Cleaning section is needed to be made of two cleaning units 100c, 100d, two cleaning unit 100c, 100d centrifugation casting devices arrange shape
Formula is identical, and each cleaning unit 100c, 100d include four centrifugation casting devices, and 1 upper and lower of strip respectively arranges 2, centrifugal
Injection device is arranged symmetrically in 1 upper and lower of strip.Be arranged in cleaning unit 100c, 100d two above or below strip 1 from
Heart casting device is arranged in two edge of 1 width direction of strip, and all centrifugation casting devices can be according to the width of strip 1
Metric lattice are adjusted along 1 width direction of strip, to guarantee the cleaning effect of entire strip 1.
The plane of the rotary shaft 202 of all centrifugation casting devices and 1 upper and lower surfaces of strip in cleaning unit 100c, 100d
Angle is 15 °, and the rotary shaft 202 of all centrifugation casting devices is in the mapping curve and band of plane where 1 upper and lower surfaces of strip
1 speed of service direction centerline axis parallel of steel.
Cleaning solution is 75 DEG C of temperature in cleaning unit 100c, adds the deionized water of surfactant, is centrifuged casting device
On centrifuge blade 204 be provided with 15, centrifugation casting device revolving speed is 1500r/min.
The deionized water that cleaning solution is 80 DEG C of temperature in cleaning unit 100d, the centrifuge blade 204 being centrifuged on casting device
15 are provided with, centrifugation casting device revolving speed is 1500r/min.
Strip 1 crimps after cold rolling mill, is cleaned before then entering back into coating unit, and strip 1 is producing
It is run along roller-way to cleaning unit 100c under the action of unit tension before and after line, at this time 75 DEG C of addition surfactants of temperature
Deionized water solution through inlet tube 203 enter centrifugation casting device, be mounted on centrifugation casting device centrifuge blade 204 will be clear
Washing lotion accelerates, and under the influence of centrifugal force by cleaning solution high-speed projectile to 1 surface of strip, casts liquid stream for the iron on 1 surface of strip
The hard composition granule such as powder, dust is loosened, is removed, while the ROLLING OIL etc. of the surfactant in cleaning solution and 1 surface of strip
Grease combines, and removes under the washing away of high-speed projectile liquid stream from 1 surface of strip, then the blowing by cleaning unit 100c of strip 1
Mechanism is swept, under the purging of compressed air, the liquid on 1 surface of strip is clean by purging.
Strip 1 from cleaning unit 100c come out after, immediately enter cleaning unit 100d, at this time 80 DEG C of temperature of deionized water
Entering centrifugation casting device through inlet tube 203, the centrifuge blade 204 for being mounted on centrifugation casting device accelerates deionized water,
Deionized water high-speed projectile casts water flow the cleaning solution of 1 surface residual of strip is clear to 1 surface of strip under the action of centrifugal force
It removes；Then strip 1 passes through the blowing mechanism of cleaning unit 100d, under the purging of compressed air, the water mark remained on surface of strip 1
Quickly removal realizes drying, the cleaning on 1 surface of strip, completes the cleaning process of strip.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (8)
1. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning, which is characterized in that including the multiple groups being set on strip
Cleaning unit, every group of cleaning unit include being centrifuged casting device and blowing mechanism,
Blowing mechanism is set to the rear end of centrifugation casting device, and centrifugation casting device is dislocation arrangement set on the top of strip under
Side, and the centrifugation casting device above strip and the symmetrical setting of centrifugation casting device below strip, blowing mechanism are also set to
Above and below strip,
Being centrifuged casting device includes casting head, rotary shaft, inlet tube and centrifuge blade, casts headgear and is set in rotary shaft, makes to throw
Head is penetrated around rotation axis angular rate rotation, centrifuge blade has several pieces, and uniform intervals are set on the outside for casting head, make several pieces centrifugations
Blade forms round, and inlet tube is set in rotary shaft, cleaning solution to be directed into centrifugation casting device,
Blowing mechanism includes compressed air hose and several spray heads on compressed air hose,
Wherein, the centrifuge blade is 4~16,
The exradius of the centrifuge blade is greater than the maximum outside diameter of inlet tube, and cleaning solution is under the acceleration of centrifuge blade
It is detached from the surface of centrifuge blade, and is flown out outward along the tangential direction of centrifuge blade outer circle to the surface of strip, is achieved in pair
The acceleration of cleaning solution.
2. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning as described in claim 1, which is characterized in that described
Angular speed be 1200r/min~2400r/min.
3. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning as described in claim 1, which is characterized in that described
Rotary shaft and strip above and below surface be arranged in 0~60 ° of angle.
4. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning as described in claim 1, which is characterized in that described
Centrifugation casting device along strip width direction transverse shifting be arranged.
5. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning as described in claim 1, which is characterized in that described
Cleaning solution be the deionized water of heat, the lye of heat or liquid containing additive.
6. a kind of throwing stream cleaning system for Cold-strip Steel Surface cleaning as claimed in claim 5, which is characterized in that described
Heat deionized water be 50~90 DEG C, pH value be 6.5~9, the alkali liquid temperature be 50~90 DEG C, concentration be 0~30g/
L, the additive are sodium metasilicate, surfactant or sodium phosphate.
7. a kind of throwing stream cleaning method for Cold-strip Steel Surface cleaning, which comprises the following steps:
S1. multiple groups cleaning unit is set in strip traffic direction, centrifugation casting device is dislocation arrangement set on the top of strip
And lower section, and the centrifugation casting device above strip and the symmetrical setting of centrifugation casting device below strip, by blowing mechanism
It set on the rear end of centrifugation casting device, is also set to above and below strip, wherein centrifugation casting device includes casting head, rotation
Axis, inlet tube and centrifuge blade cast headgear and are set in rotary shaft, make to cast head around rotation axis angular rate rotation, centrifuge blade
With several pieces, uniform intervals are set on the outside for casting head, several pieces centrifuge blades is made to form round, and inlet tube is set to rotary shaft
On, cleaning solution to be directed into centrifugation casting device；The centrifuge blade is 4~16；The centrifuge blade
Exradius is greater than the maximum outside diameter of inlet tube, and cleaning solution is detached from the surface of centrifuge blade under the acceleration of centrifuge blade,
And flown out outward along the tangential direction of centrifuge blade outer circle to the surface of strip, it is achieved in the acceleration to cleaning solution；
S2. blowing mechanism is connected into compressed air source, and after starting blowing mechanism, centrifugation casting device is also rotated, will be clear
Washing lotion is directed into centrifugation casting device by inlet tube, is rotated cleaning solution with centrifugation casting device, is generated centrifugal force；
S3. under the influence of centrifugal force, cleaning solution is made to fly out outward along centrifuge blade, to clean to belt steel surface；
S4. after cleaned strip is run to blowing mechanism, blowing mechanism purges belt steel surface, removes belt steel surface
Cleaning solution or residue.
8. a kind of throwing stream cleaning method for Cold-strip Steel Surface cleaning as claimed in claim 7, which is characterized in that described
S2 in, strip it is ipsilateral it is two neighboring centrifugation casting device direction of rotation it is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694437.9A CN107755437B (en) | 2016-08-19 | 2016-08-19 | A kind of throwing stream cleaning system and cleaning method for Cold-strip Steel Surface cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694437.9A CN107755437B (en) | 2016-08-19 | 2016-08-19 | A kind of throwing stream cleaning system and cleaning method for Cold-strip Steel Surface cleaning |
Publications (2)
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| CN108515463A (en) * | 2018-05-31 | 2018-09-11 | 长沙矿冶研究院有限责任公司 | A kind of high-pressure water jet Strip cleaning plant and water jet clear up line |
| US20210138607A1 (en) * | 2018-05-31 | 2021-05-13 | Changsha Research Institute Of Mining And Metallurgy Co., Ltd. | High-pressure water jet sheet strip sand-blasting descaling cleaning device, cleaning line and system |
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| US7601226B2 (en) * | 2006-09-14 | 2009-10-13 | The Material Works, Ltd. | Slurry blasting apparatus for removing scale from sheet metal |
| CN103418624B (en) * | 2012-05-25 | 2016-01-27 | 宝山钢铁股份有限公司 | A kind of cold conditions metal plate and belt solid jet descaling process |
| CN104056865B (en) * | 2013-03-19 | 2017-02-22 | 宝山钢铁股份有限公司 | Steel plate surface treatment method and device |
| CN103447969B (en) * | 2013-08-22 | 2016-01-06 | 杭州浙达精益机电技术股份有限公司 | Steel plate de-scaling, cleaning and air-dry apparatus |
| CN105860696A (en) * | 2016-05-31 | 2016-08-17 | 合肥正浩机械科技有限公司 | Metal conditioner for cold-roll steel sheet surfaces |
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