CN108356083A - A kind of coil of strip pickling skin pass mill group and coil of strip production method - Google Patents
A kind of coil of strip pickling skin pass mill group and coil of strip production method Download PDFInfo
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- CN108356083A CN108356083A CN201810368013.2A CN201810368013A CN108356083A CN 108356083 A CN108356083 A CN 108356083A CN 201810368013 A CN201810368013 A CN 201810368013A CN 108356083 A CN108356083 A CN 108356083A
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- China
- Prior art keywords
- coil
- planisher
- strip
- skin pass
- steel
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
- C23G3/028—Associated apparatus, e.g. for pretreating or after-treating for thermal or mechanical pretreatment
Abstract
A kind of coil of strip pickling skin pass mill group of present invention offer and coil of strip production method, are related to steel processing technique field.A kind of coil of strip pickling skin pass mill group, including the cleaning section of interconnection, smooth section.Smooth section includes the first planisher, and the first planisher includes knurling rolls.Coil of strip pickling skin pass mill group the first planisher of Configuration Online, does not need mating individual first skin pass mill group, reduces equipment investment and personal expenditures, reduces material circulation loss, improves whole process total lumber recovery.Smooth processing simultaneously can effectively eliminate the thickness trueness error of hot-rolled substrate, reached the required precision of cold-reduced sheet, disclosure satisfy that the more accurate requirement of product.It also realizes during steel progress is smooth and is embossed in steel surface simultaneously.After smooth embossing, one side steel template is improved, and the embossing of steel surface increases the adhesive force of zinc liquid, so that zinc layers is more stablized, zinc coating thickness is more uniform, substantially increases the market competitiveness of steel plate.
Description
Technical field
The present invention relates to steel processing technique fields, are given birth in particular to a kind of coil of strip pickling skin pass mill group and coil of strip
Production method.
Background technology
With the development of Chinese industrial, zinc-plated coil of strip demand percentage just quickly improves.Coil of strip raw material are as finished steel
Before volume, the preprocessing process by multi-step is generally required, qualified original is provided for follow-up cold rolling, zinc-plated or direct use
Material.Currently, the preprocessing process of coil of strip is still incomplete so that finished steel coils still cannot be satisfied the requirement of many users.
Invention content
The purpose of the present invention is to provide a kind of coil of strip pickling skin pass mill groups, can further improve the pre- place of coil of strip
Reason, makes coil of strip disclosure satisfy that user more requires in post-production.
Another object of the present invention is to provide a kind of coil of strip production methods, can improve the quality of finished steel coils, into
And improve the market competitiveness of finished steel coils.
What the embodiment of the present invention was realized in：
A kind of coil of strip pickling skin pass mill group, including sequentially connected cleaning section, smooth section.Smooth section includes first smooth
First working roll of machine, the first planisher is knurling rolls or leveling roll.
In an embodiment of the present invention, coil of strip pickling skin pass mill group further includes post-processing section.Smooth section further includes
One group of jockey pulley and second group of jockey pulley.Cleaning section is connected by first group of jockey pulley with the first planisher, and the first planisher is logical
Second group of jockey pulley is crossed with post-processing section to be connected.
In an embodiment of the present invention, smooth section further includes third group jockey pulley, and second group of jockey pulley passes through third
Group jockey pulley is connected with post-processing section.
In an embodiment of the present invention, the first planisher is four-roller wet type planisher or two roller wet type planishers.
In an embodiment of the present invention, post-processing section includes drying component.
In an embodiment of the present invention, drying component includes squeeze roller and air drier, and the first planisher is extracted
Roller, air drier are sequentially connected.
In an embodiment of the present invention, the first planisher is four-roller dry-type planishing mill or two roller dry-type planishing mills.
In an embodiment of the present invention, post-processing section includes Air cooler and dust removal machine.
In an embodiment of the present invention, smooth section further includes the second planisher, cleaning section, the first planisher, second
Planisher is sequentially connected.First working roll of the first planisher is leveling roll, and the second working roll of the second planisher is knurling rolls
Or leveling roll.
A kind of coil of strip production method mainly produces coil of strip using above-mentioned coil of strip pickling skin pass mill group, includes mainly following
Step：Substrate is carried out to pickling, smooth successively.
The embodiment of the present invention at least has the following advantages that or advantageous effect：
The embodiment of the present invention provides a kind of coil of strip pickling skin pass mill group, primarily can be used for locating raw material coil of strip in advance
Reason, pretreated coil of strip can also can be used as follow-up cold rolling, zinc-plated raw material or directly.The coil of strip pickling is smooth
Unit includes mainly sequentially connected cleaning section and smooth section.Smooth section includes the first planisher, and the first planisher includes embossing
Roller.Coil of strip pickling skin pass mill group the first planisher of Configuration Online, does not need mating individual first skin pass mill group, reduces equipment
Investment and personal expenditures reduce material circulation loss, improve whole process total lumber recovery.Smooth processing simultaneously can effectively disappear
Except the thickness trueness error of hot-rolled substrate, reach the required precision of cold-reduced sheet, disclosure satisfy that the more accurate use of product
It is required that.
When the pretreated coil of strip of traditional handicraft directly zinc-plated (can certainly be the raw material plated required by other users),
Steel plate face is susceptible to zinc liquid stream and moves, and causes final uneven coating even, coating is unstable, substantially reduces product quality, and zinc
Liquid waste is serious.The first planisher uses knurling rolls or common leveling roll in the embodiment of the present invention, by replacing different works
Make roller, smooth or embossing optionally is carried out to raw material steel.After smooth, steel template is improved；After embossing, steel
The decorative pattern on material surface increases the adhesive force of zinc liquid, so that zinc layers is more stablized, zinc coating thickness is more uniform, substantially increases steel plate
The market competitiveness.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of coil of strip pickling skin pass mill group provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of cleaning section provided in an embodiment of the present invention；
Fig. 3 is smooth section of structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of post-processing section provided in an embodiment of the present invention；
Icon：100- coil of strip pickling skin pass mill groups；110- cleaning sections；112- uncoilers；114- bonding machines；116- first lives
Set；118- breaks phosphorus withdrawal straightening machine；120- pickling machines；122- cleaning machines；124- dryers；Smooth section of 150-；The first planishers of 152-；
154- knurling rolls；First group of jockey pulley of 156-；Second group of jockey pulley of 158-；160- third group jockey pulleys；162- deviation rectification rollers；170-
Post-process section；The second kinks of 171-；172- dries component；174- bead cutters；176- oilers；178- cutting machines；180- is batched
Machine.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the embodiment of the present invention, it should be noted that if there are the instructions such as term "upper", "lower", "inner"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if occurring
Term " setting ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 is please referred to, Fig. 1 show the structural schematic diagram of coil of strip pickling skin pass mill group 100.Coil of strip pickling skin pass mill group
100 primarily can be used for pre-processing raw material coil of strip, and pretreated coil of strip can be as follow-up cold rolling, zinc-plated original
Material can also be used directly.In the present embodiment, by the processing of coil of strip and coil of strip it is zinc-plated for subsequently illustrated.When
So, it can also be to handle steel plate in other embodiment, other materials, such as aluminium can also be plated in surface of steel plate.
The present embodiment provides a kind of coil of strip pickling skin pass mill group 100, including sequentially connected cleaning section 110, smooth section 150
And post-processing section 170.Cleaning section 110 is mainly used for cleaning raw material steel, with remove steel surface iron scale,
The surface irregularities such as iron rust keep steel surface more smooth, to ensure that the quality of finished steel lays a good foundation.After cleaning
Steel are smooth into smooth section 150 progress, improve the precision of thickness of steel product size, so that steel is disclosure satisfy that and more process, answer
Use condition.Steel enter post-processing section 170 after smooth section 150 outflow.Post-processing section 170 is mainly used for repairing steel
It cuts, antirust treatment, batch.
Fig. 2 is please referred to, Fig. 2 show the structural schematic diagram of cleaning section 110.Cleaning section 110 may include sequentially connected
Uncoiler 112, bonding machine 114, the first kink 116, broken phosphorus withdrawal straightening machine 118, pickling machine 120, cleaning machine 122, dryer 124.
Dryer 124 is connected with smooth section 150.
There are two uncoilers 112, uncoiler 112 that can directly be bought from market in the present embodiment.Uncoiler 112 is metallic plate
The special equipment of material smoothing, for smoothing line steel plate, uneven whole plate.Body is welding box structure, and frequency control motor passes through
Gearbox speed reduction rear-guard movable reel axis is that uncoiler 112 provides active force.One of the effect of uncoiler 112 is after keeping strip
Uncoiling is carried out under tension, another remarkable effect, which is it, can realize the automatic centering of strip in the case where center controls.Two are opened
The alternately uncoiling of volume machine 112 creates prerequisite for the continuous production of unit follow-up equipment.Cutting production line is equipped with one
Uncoiler 112.
Bonding machine 114 is for general on leader tape of the steel raw material both ends welding less than mother metal thickness, improves steel raw material
Can mill length, improve the rate of steel products produced to steel ingots.
Kink is mainly used for storing steel, ensures the continuous operation of technique.First kink, 116 one end connecting welding machine 114,
Phosphorus withdrawal straightening machine 118 is broken in other end connection, and steel is enable successfully to continuously enter the surface cleaning stage.
Broken phosphorus withdrawal straightening machine 118 is mainly used for improving the glacing flatness of steel, to improve the pickling efficiency in follow-up acid cleaning process
And strip quality.The steel handled by breaking phosphorus withdrawal straightening machine 118 can reach better dephosphorization effect in pickling machine 120
Fruit.Broken phosphorus straightening is mainly to act on larger Bending Deformation by the dislocation and occlusion between upper working rolls and lower working rolls to strip and make
The oxide skin of belt steel surface falls off or oxide skin is made to loosen, and is easier to fall in follow-up acid cleaning process convenient for oxide skin, improves
The pickling efficiency of strip.
Generally steel are washed using hydrochloric acid in pickling machine 120, which mainly removes the oxide of steel surface
Matter, such as iron rust, iron scale.Multistage pickling tube can be set in pickling machine 120, and steel pass sequentially through multistage pickling tube, can
Pickling quality is further increased, hydrochloric acid consumption is reduced, saves the process cost.
Generally the steel after pickling are further cleaned using water in cleaning machine 122, avoid steel surface residual acid
The residue left after washing improves the cleanliness factor of steel surface.Multistage service sink can also be set in cleaning machine 122, and steel are successively
By multistage service sink, the clean level of steel surface is further increased, and save the consumption of water.
Dryer 124 dries the steel after cleaning, and subsequent smooth processing is carried out convenient for steel.Dryer 124 can be with
It is that hot drying is carried out to steel.
Fig. 3 is please referred to, Fig. 3 show smooth section 150 of structural schematic diagram.Smooth section 150 includes the first planisher 152,
In formation process, in order to steel can preferably be completed during following process it is zinc-plated, the first planisher 152 use knurling rolls
154 pairs of steel are embossed.In traditional handicraft, steel after pickling, drying it is general it is directly zinc-plated (can certainly be plating other
Raw material required by user), but steel plate face is susceptible to zinc liquid stream and moves, and causes final uneven coating even, coating is unstable, greatly
It is big to reduce product quality, and the waste of zinc liquid is serious.The working roll of the first planisher 152 carries bumps using surface in the present embodiment
The knurling rolls 154 of decorative pattern are also realized during steel progress is smooth and are embossed in steel surface simultaneously.Pass through smooth pressure
Hua Hou, one side steel template are improved, and the embossing of steel surface increases the adhesive force of zinc liquid, keeps zinc layers more steady
Fixed, zinc coating thickness is more uniform, substantially increases the market competitiveness of steel plate.According to the difference that user requires, can also use
The knurling rolls 154 of different decorative patterns are the galvanized steel of customization difference decorative pattern, improve the diversity of product, increase product
Competitiveness.It, can be by controlling the roll-force of the first planisher 152 and the elongation control decorative pattern of steel in steel in processing procedure
Material surface is carved into depth, so that the thickness controllability enhancing of follow-up zinc coat, preferably reaches the customized demand of client.
The decorative pattern that surface of steel plate is formed can be network, rectangular mesh, polygonal mesh, special-shaped grid etc., also may be used
To use other suitable flower pattern or lines with barrier effect.By taking network as an example, latticed ledge width requirement is
2mm-10mm, grid spacing are 50mm-100mm, and decorative pattern projection thickness (i.e. pattern depth) is 10-50 μm.Steel plate suppresses decorative pattern
Before, surface roughness requirements are Ra=0.5-3.0 μm, can reach preferable embossing effects at this time.
Second planisher (not shown) can also be set in other embodiment, in smooth section 150.Cleaning section 110,
One planisher 152, the second planisher are sequentially connected.The working roll of second planisher can be selected with knurling rolls 154 or commonly flat
Whole roller.When two planishers are simultaneously in use, two planishers can select common leveling roll, to carry out two passages to steel
It is smooth, keep steel template more preferable, dimensional accuracy higher.Can also be that the first planisher 152 selects common leveling roll, and second is flat
Complete machine selects knurling rolls 154, smooth first to be carried out to steel, then is embossed, and keeps the embossing effects of steel more preferable.
Certainly, if only needing to use a planisher, smooth or embossing processing can be selected according to technological requirement.Example
Such as, it when carrying out smooth to steel plate, can be carried out according to following process conditions smooth：
One, improve steel surface roughness.By working roll of the replacement with different roughness, using working roll to strip
The duplicating effect on surface, it can be achieved that belt steel surface different roughness processing.For example, general table of the hot-strip before smooth
Surface roughness after carrying out skin pass rolling using planisher, can process the surface roughness of strip between Ra=20-25 μm
To Ra=0.5-1.0 μm, the working roll roll surface roughness of planisher is Ra=1.5-3.0 μm at this time.It is coarse according to different target
Degree can select different working rolls, citing as shown in table 1.
The selection table of comparisons of 1 working roll of table
Two, reduce belt steel thickness tolerance, improve product thickness precision.By taking thickness is the hot rolled plate of 1.5-4.5mm as an example.Mesh
The practical controlled level of thickness deviation of preceding steel mill be ± 0.15mm within the scope of, and the plate thickness tolerance of cold-rolled products control ±
Within the scope of 0.05mm.To realize the requirement of final products " with hot Dai Leng ", belt steel surface can be carried out using planisher
It is smooth.The parameter that can refer in table 2 is selected.
The 2. planisher optimization of working parameters table of comparisons of table
Three, belt steel thickness is thinned.In flattening process, moreover it is possible to by the big rolling force effect of planisher, in a certain range
Interior change strip plate thickness, increases the flexibility of scheduling of production, while also enriching product structure.Planisher is achievable at present
Maximum rolling deformation rate≤10%.It is required according to different-thickness, no roll-force can be selected, as shown in table 3.
3 planisher difference roll-force of table selects the table of comparisons
In addition, the first planisher 152 and cleaning section 110 share a production line, it is smooth not need mating individual first
Unit reduces equipment investment and personal expenditures, reduces material circulation loss, improves whole process total lumber recovery.Smooth place
Reason can also effectively eliminate the thickness trueness error of hot-rolled substrate, reach the required precision of cold-reduced sheet, disclosure satisfy that product
More accurate requirement.
In the present embodiment, the first planisher 152 uses four-roller wet type planisher.Certainly, it can also be adopted in other embodiment
With two roller wet type planishers, four-roller dry-type planishing mill or two roller dry-type planishing mills.
Smooth section 150 further includes first group of jockey pulley, 156, second groups of jockey pulleys 158 and third group jockey pulley 160.It dries
Dry machine 124 is connected by first group of jockey pulley 156 with the import of the first planisher 152.Second group of 158 one end of jockey pulley and first
The outlet of planisher 152 is connected, and the other end is connected with third group jockey pulley 160.It is opened with second group 160 one end of third group jockey pulley
Power roller 158 is connected, and the other end is connected with post-processing section 170.First planisher, 152 front and back setting jockey pulley can ensure that first is flat
Complete machine 152 is front and back to have enough tension, ensures the service life of the first planisher 152, it is made to meet preferably smooth, embossing
Demand.According to the different-thickness of steel and required different embossing depth, the tension of each group jockey pulley can be suitably adjusted, with
The first planisher 152 is set to be in better working condition.
Smooth section 150 further includes deviation rectification roller 162.First group of jockey pulley 156 is connected by deviation rectification roller 162 with dryer 124.
The setting of deviation rectification roller 162 more accurately enters in the first planisher 152 convenient for steel, improves the processing efficiency of steel.
Fig. 4 is please referred to, Fig. 4 show the structural schematic diagram of post-processing section 170.In the present embodiment, post-processing section 170 includes
Sequentially connected second kink 171, drying component 172, bead cutter 174, oiler 176, cutting machine 178 and coiling machine 180.
Drying component 172 is connected by the second kink 171 with third group jockey pulley 160.
Kink is mainly used for storing steel, ensures the continuous operation of technique.Second kink 171 enables steel successfully to connect
It is continuous to enter post-processing section 170.
In the present embodiment, drying component 172 includes mainly that squeeze roller (not shown) and air drier (do not show in figure
Go out).Drying component 172 is mainly used for by the steel surface drying after wet jetting piles, to ensure the normal operation of subsequent treatment process.
Squeeze roller generally three sets of rollers of setting, two sets use simultaneously, another set of spare.Air drier is generally added by babinet, wind turbine, hot wind
Vapor heat exchanger heating generally may be used in hot systems, Hot-blast Heating.Generally, steel are first extracted by squeeze roller, remove its surface
Most of water, then dried by air drier.It should be noted that in other embodiment, if using dry type in smooth section 150
Planisher then post-processes in section 170 it is not necessary that drying component 172 is arranged.It is using Air cooler and dust removal machine replacement drying component 172
It can.
Bead cutter 174 is mainly used for shearing the extra corner of steel, can further carry out the shape of steel
Adjustment makes it meet user's requirement.Oiler 176 is mainly used for coating one layer of grease in steel surface, generally uses mineral oil
Type antirust oil reaches rust-proof effect in steel surface, is convenient for the storage of steel.Cutting machine 178 is mainly used for
Various sizes of product is convenient for the collection of different sized products.Coiling machine 180 is mainly used for steel batching coiled tubular, just
Collection in steel and following process.Finally obtained steel can be used as the raw material for preparing galvanized steel, and is made by the steel
Galvanized steel, galvanizing quality is preferable.
The operation principle of coil of strip pickling skin pass mill group 100 is：
The present embodiment provides a kind of coil of strip pickling skin pass mill groups 100, are mainly used for pre-processing raw material coil of strip, in advance
Treated coil of strip can also can be used as follow-up cold rolling, zinc-plated raw material or directly.Raw material steel are in processing procedure
In pass sequentially through cleaning section 110, smooth section 150 and post-processing section 170.
Steel pass sequentially through uncoiler 112, bonding machine 114, the first kink 116, broken phosphorus withdrawal straightening machine in cleaning section 110
118, pickling machine 120, cleaning machine 122, dryer 124.The process is mainly used for cleaning raw material steel, to remove steel
The surface irregularities such as iron scale, the iron rust on surface keep steel surface more smooth, to ensure that the quality of finished steel is established well
Basis.
Steel pass sequentially through 162, first groups of jockey pulleys 156 of deviation rectification roller, the first planisher 152, in smooth section 150
Two groups of jockey pulleys 158 and third group jockey pulley 160.First planisher 152 carries out smooth embossing, one side steel plate to steel
Type is improved, and the embossing of steel surface increases the adhesive force of zinc liquid, so that zinc layers is more stablized, zinc coating thickness is more equal
It is even, substantially increase the market competitiveness of steel plate.In addition, the first planisher 152 and cleaning section 110 share a production line, no
Mating individual first skin pass mill group is needed, equipment investment and personal expenditures are reduced, material circulation loss is reduced, improves
Whole process total lumber recovery.Smooth processing can also effectively eliminate the thickness trueness error of hot-rolled substrate, reach cold-reduced sheet
Required precision disclosure satisfy that the more accurate requirement of product.
Steel pass sequentially through the second kink 171, drying component 172, bead cutter 174, oiler in post-processing section 170
176, cutting machine 178 and coiling machine 180.The process mainly completes the antirust treatment of steel and finished product is collected, and is convenient for steel
Storage and following process.
The present embodiment also provides a kind of coil of strip production method, including coil of strip pickling skin pass mill group 100.The coil of strip production method
It is primarily useful for production galvanized steel, and the galvanized steel has that coating is more stable, the coating advantages such as evenly.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coil of strip pickling skin pass mill group, which is characterized in that including sequentially connected cleaning section, smooth section, described smooth section
Including the first planisher, the first working roll of first planisher is knurling rolls or leveling roll.
2. coil of strip pickling skin pass mill group according to claim 1, which is characterized in that the coil of strip pickling skin pass mill group also wraps
Post-processing section is included, described smooth section further includes first group of jockey pulley and second group of jockey pulley, and the cleaning section passes through described first
Group jockey pulley is connected with first planisher, and first planisher passes through second group of jockey pulley and the post-processing section
It is connected.
3. coil of strip pickling skin pass mill group according to claim 2, which is characterized in that described smooth section further includes third group
Power roller, second group of jockey pulley are connected by the third group jockey pulley with the post-processing section.
4. coil of strip pickling skin pass mill group according to claim 2, which is characterized in that first planisher is four-roller wet type
Planisher or two roller wet type planishers.
5. coil of strip pickling skin pass mill group according to claim 4, which is characterized in that the post-processing section includes drying group
Part.
6. coil of strip pickling skin pass mill group according to claim 5, which is characterized in that the drying component include squeeze roller and
Air drier, first planisher, the squeeze roller, the air drier are sequentially connected.
7. coil of strip pickling skin pass mill group according to claim 1, which is characterized in that first planisher is four-roller dry type
Planisher or two roller dry-type planishing mills.
8. coil of strip pickling skin pass mill group according to claim 2, which is characterized in that the post-processing section include Air cooler and
Dust removal machine.
9. according to claim 1-8 any one of them coil of strip pickling skin pass mill groups, which is characterized in that described smooth section further includes
Second planisher, the cleaning section, first planisher, second planisher are sequentially connected, first planisher
First working roll is leveling roll, and the second working roll of second planisher is knurling rolls or leveling roll.
10. a kind of coil of strip production method, which is characterized in that smooth using such as claim 1-9 any one of them coil of strip pickling
Unit produces coil of strip, mainly includes the following steps that：
Substrate is carried out to pickling, smooth successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368013.2A CN108356083A (en) | 2018-04-23 | 2018-04-23 | A kind of coil of strip pickling skin pass mill group and coil of strip production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810368013.2A CN108356083A (en) | 2018-04-23 | 2018-04-23 | A kind of coil of strip pickling skin pass mill group and coil of strip production method |
Publications (1)
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| CN110629121A (en) * | 2019-11-05 | 2019-12-31 | 山东钢铁集团日照有限公司 | Production method of SPHC hot-rolled pickled plate for stamping |
| CN113145642A (en) * | 2021-04-01 | 2021-07-23 | 首钢京唐钢铁联合有限责任公司 | Pickling plate and preparation method thereof |
| CN114226147A (en) * | 2021-12-18 | 2022-03-25 | 新万鑫（福建）精密薄板有限公司 | Method for coating insulating coating on oriented silicon steel ultra-thin strip |
| CN116274373A (en) * | 2023-05-23 | 2023-06-23 | 河北燕山钢铁集团有限公司 | Cold rolling forming device of high utilization ratio of metal |
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