CN114043366A - Ferrite stainless steel cold-rolled strip steel production device - Google Patents
Ferrite stainless steel cold-rolled strip steel production device Download PDFInfo
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- CN114043366A CN114043366A CN202111198637.2A CN202111198637A CN114043366A CN 114043366 A CN114043366 A CN 114043366A CN 202111198637 A CN202111198637 A CN 202111198637A CN 114043366 A CN114043366 A CN 114043366A
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- roller
- inner groove
- strip steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 16
- 239000010935 stainless steel Substances 0.000 title claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 3
- 238000000227 grinding Methods 0.000 claims abstract description 109
- 238000005554 pickling Methods 0.000 claims abstract description 106
- 238000005498 polishing Methods 0.000 claims abstract description 47
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 229910052742 iron Inorganic materials 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention belongs to the technical field of strip steel production and processing, and particularly relates to a ferritic stainless steel cold-rolled strip steel production device which comprises an uncoiler, a straightener, a pickling machine, a rolling mill and a coiler, wherein the pickling machine comprises a pickling tank, an inner groove, a first grinding roller, a second grinding roller and a motor; the pickling tank is fixedly connected to the ground; an inner groove is formed in the pickling tank and slides on the inner wall of the pickling tank; a first polishing roller and a second polishing roller are arranged in the inner groove, the first polishing roller and the second polishing roller are rotationally connected with the inner groove, the number of the first polishing roller is two, and the number of the second polishing roller is two; the first grinding roller and the second grinding roller are vertically arranged in the inner groove; the motor is fixedly connected to the outer side of the inner groove; the pickling solution in the tank is used for pickling the polished strip steel, and the two modes of polishing and pickling are combined with each other, so that the pickling quality and efficiency are improved, the strip steel is protected, the strip steel is prevented from being damaged due to excessive polishing, and the production and processing quality of the strip steel is improved.
Description
Technical Field
The invention belongs to the technical field of strip steel production and processing, and particularly relates to a ferritic stainless steel cold-rolled strip steel production device.
Background
Steel is one of the most common metal products in our lives, strip steel is common in steel products, and strip steel is a narrow and long steel plate produced by various steel rolling enterprises in order to meet the requirements of different industrial departments on industrial production of various types of metal or mechanical products. The strip steel is also called steel strip, the width is within 1300mm, and the length is slightly different according to the size of each roll. The production process flow of the cold-rolled strip steel generally comprises the following steps: the method comprises the steps of blank pickling, rolling, annealing, synchronous lubrication of rolling size, antirust oil application, leveling and sizing, polishing and packaging, wherein in the pickling process, due to the fact that cracks and air holes exist on the surface of the strip steel after straightening in the early stage, pickling liquid reaches the metal surface and the Rich body layer through the cracks and the air holes, the metal and the Rich body layer are dissolved under the action of the pickling liquid, but insoluble parts can also appear, such as iron scales on the surface of the tail part (the head part of a pickling roll) of the strip steel are easy to wash away, the iron scales on the head part (the tail part of the pickling roll) of the strip steel and the iron scales on the middle surface of the strip steel are difficult to wash away, and the compact iron scales cannot be removed by the existing pickling equipment, so that the integral cold rolling quality of the strip steel is influenced.
In view of the above, in order to overcome the above technical problems, the present invention provides a ferritic stainless steel cold-rolled strip production apparatus, which solves the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the pickling process, iron scales on the head (tail of a pickling winding belt) and the middle surface of the strip steel are most difficult to wash, and compact iron scales cannot be removed by the conventional pickling equipment, so that the overall cold rolling quality of the strip steel is influenced.
The invention provides a ferritic stainless steel cold-rolled strip steel production device which comprises an uncoiler, a straightener, an acid washing machine, a rolling mill and a coiler, wherein the uncoiler is connected with the straightener;
the pickling machine comprises a pickling tank, an inner groove, a first grinding roller, a second grinding roller and a motor; the pickling tank is fixedly connected to the ground; an inner groove is formed in the pickling tank, and the inner groove slides up and down on the inner wall of the pickling tank; a first polishing roller and a second polishing roller are arranged in the inner groove, the first polishing roller and the second polishing roller are rotationally connected with the inner groove, the number of the first polishing roller is two, and the number of the second polishing roller is two; the first grinding roller and the second grinding roller are vertically arranged in the inner groove, and the upper grinding roller and the lower grinding roller are rotationally connected through a gear; the motors are fixedly connected to the outer side of the inner groove, the number of the motors is two, one motor output end penetrates through the inner groove to be fixedly connected with the first polishing roller, the other motor output end penetrates through the inner groove to be fixedly connected with the second polishing roller, and one ends, far away from the motor output ends, of the first polishing roller and the second polishing roller are rotatably connected with the inner wall of the inner groove through rotating shafts; cavities are arranged in the first polishing roller and the second polishing roller and are used for preventing the strip steel from being excessively polished.
Preferably, the first grinding roller and the second grinding roller are internally provided with pressurizing holes, and the pressurizing holes are communicated with the cavity.
Preferably, the middle part of the first polishing roller is provided with more than one poking sheet, and the poking sheets are fixedly connected with the rotating shaft.
Preferably, the poking sheet is provided with a pointed bulge which is matched with the poking sheet and used for puncturing hydrogen bubbles generated by pickling.
Preferably, a cavity is arranged in the shifting sheet, a contact is arranged in the cavity, the contact is fixedly connected with the shifting sheet through a spring, and the contact is matched with the shifting sheet and used for removing falling iron oxide scales on the surface of the strip steel.
Preferably, the bottom of the inner groove is provided with a filter screen, and the filter screen is matched with the pickling tank to separate impurities from the pickling solution.
The invention has the following beneficial effects:
1. the invention provides a production device of ferritic stainless steel cold-rolled strip steel, strip steel passes through a first grinding roller 33 and a second grinding roller 34 in an inner groove 32 filled with pickling solution during pickling, a motor 35 drives the first grinding roller 33 and the second grinding roller 34 to rotate, the first grinding roller 33 and the second grinding roller 34 drive a first grinding roller 33 lower roller and a second grinding roller 34 lower roller to rotate through gear transmission, the rotation directions of the upper roller and the lower roller are opposite, compact oxide layers on the surface of the strip steel are ground, the pickling solution in a groove is used for pickling the grinded strip steel, the quality and the efficiency of pickling are improved through the mutual combination of two descaling modes of grinding and pickling, and the upper roller 33 and the second grinding roller 34 can deform through a cavity 36, so that the excessive grinding of the first grinding roller 33 and the second grinding roller 34 in the radial direction of the strip steel during the grinding is prevented, thereby protecting the strip steel and preventing the strip steel from being damaged due to excessive grinding.
2. When a first grinding roller 33 and a second grinding roller 34 grind the strip steel, cavities 36 arranged on the first grinding roller 33 and the second grinding roller 34 are compressed and rebounded when the grinding rollers rotate, and pressurizing holes 37 on the first grinding roller 33 and the second grinding roller 34 extrude and suck the pickling solution in the cavities 36 while compressing and rebounding along with the cavities 36, so that the pickling solution around the strip steel flows at an accelerated speed, the reaction rate of the strip steel and the pickling solution is increased, hydrogen generated in the pickling process also overflows at an accelerated speed when the pickling solution flows, and the hydrogen is prevented from being excessively reacted with the strip steel to cause hydrogen embrittlement.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a main view of the pickling machine of the present invention;
FIG. 3 is a side view of the pickling machine of the present invention;
FIG. 4 is a top view of the pickling machine of the present invention;
FIG. 5 is a schematic view of the paddle of the present invention;
in the figure: the device comprises an uncoiler 1, a straightener 2, a pickling machine 3, a rolling mill 4, a coiler 5, a pickling machine 3, a pickling tank 31, an inner tank 32, a filter screen 321, a first grinding roller 33, a second grinding roller 34, a motor 35, a cavity 36, a pressurizing hole 37, a shifting piece 38, a cavity 381, a contact 382, a spring 383 and a pointed protrusion 39.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides a ferritic stainless steel cold-rolled strip steel production device which comprises an uncoiler 1, a straightener 2, an acid washing machine 3, a rolling mill 4 and a coiling machine 5;
the pickling machine 3 comprises a pickling tank 31, an inner tank 32, a first grinding roller 33, a second grinding roller 34 and a motor 35; the pickling tank 31 is fixedly connected to the ground; an inner groove 32 is arranged in the pickling tank 31, and the inner groove 32 slides up and down on the inner wall of the pickling tank 31; a first polishing roller 33 and a second polishing roller 34 are arranged in the inner groove 32, the first polishing roller 33 and the second polishing roller 34 are rotatably connected with the inner groove 32, the number of the first polishing rollers 33 is two, and the number of the second polishing rollers 34 is two; the first grinding roller 33 and the second grinding roller 34 are vertically arranged in the inner groove 32, and the upper grinding roller and the lower grinding roller are rotationally connected through gears; the motors 35 are fixedly connected to the outer side of the inner groove 32, the number of the motors 35 is two, the output end of one motor 35 penetrates through the inner groove 32 to be fixedly connected with the first polishing roller 33, the output end of the other motor 35 penetrates through the inner groove 32 to be fixedly connected with the second polishing roller 34, and one ends, far away from the output end of the motor 35, of the first polishing roller 33 and the second polishing roller 34 are rotatably connected with the inner wall of the inner groove 32 through rotating shafts; cavities 36 are arranged in the first grinding roller 33 and the second grinding roller 34, and the cavities 36 are used for preventing the strip steel from being excessively ground.
In the production process of a ferritic stainless steel cold-rolled strip production device, strip steel blanks are uncoiled by an uncoiler 1, straightened by a straightener 2, removed of iron scales by a pickling machine 3 and cold-rolled by a rolling mill 4, and then collected by a coiler 5 and stored, the strip steel passes through a first grinding roller 33 and a second grinding roller 34 in an inner groove 32 filled with pickling solution during pickling, a motor 35 drives an upper roller of the first grinding roller 33 and an upper roller of the second grinding roller 34 to rotate, the upper roller of the first grinding roller 33 and the upper roller of the second grinding roller 34 drive a lower roller of the first grinding roller 33 and a lower roller of the second grinding roller 34 to rotate through gear transmission, the rotating directions of the upper roller and the lower roller are opposite, a compact oxide layer on the surface of the strip steel is ground, the pickled strip steel after being ground is pickled by the pickling solution in the same time slot, the quality and the efficiency of pickling are improved through the mutual combination of two descaling modes of grinding and pickling, and the surface of the strip steel is concavo-convex and fluctuant, through setting up cavity 36, make No. 33 upper rollers of grinding roller and No. two grinding roller 34 can radially have the deformation, prevent that the roller of grinding roller 33 upper rollers and No. two grinding roller 34 excessively from polishing the belted steel surface when polishing to protect belted steel, prevent that belted steel from polishing the impaired because of excessively, improve the quality of belted steel production and processing.
In an embodiment of the present invention, the first grinding roller 33 and the second grinding roller 34 are provided with a pressurizing hole 37, and the pressurizing hole 37 is communicated with the cavity 36.
When the first grinding roller 33 and the second grinding roller 34 grind the strip steel, the cavity 36 arranged on the first grinding roller 33 and the second grinding roller 34 is compressed and rebounded when the grinding rollers rotate, the pressurizing holes 37 on the first grinding roller 33 and the second grinding roller 34 extrude and suck the pickling solution in the cavity 36 while compressing and rebounding along with the cavity 36, so that the pickling solution around the strip steel flows at an accelerated speed, the reaction rate of the strip steel and the pickling solution is increased, the hydrogen generated in the pickling process also flows at an accelerated speed when the pickling solution flows at an accelerated speed, the hydrogen and the strip steel are prevented from reacting excessively to cause hydrogen embrittlement, and the quality of strip steel production and processing is further improved.
As a specific embodiment of the invention, the middle part of the first grinding roller 33 is provided with more than one shifting sheet 38, and the number of the shifting sheets 38 is fixedly connected with the rotating shaft.
In the polishing process, the shifting sheet 38 arranged in the middle of the first polishing roller 33 rotates along with the first polishing roller 33, so that hydrogen generated by the reaction of the pickling solution in the pickling solution and the strip steel is accelerated to overflow, the hydrogen embrittlement phenomenon generated by the reaction of the hydrogen and the strip steel is further reduced, and the production and processing quality of the strip steel is improved.
In an embodiment of the present invention, the pick-up 38 is provided with a pointed protrusion 39, which is matched with the pick-up 38 and is used for puncturing hydrogen bubbles generated by pickling.
With the continuous polishing process, the sharp bulge 39 arranged on the shifting piece 38 rotates along with the shifting piece 38, and when the shifting piece 38 rotates, the sharp bulge 39 punctures hydrogen bubbles generated by the reaction of the pickling solution and the strip steel in the overflowing process, so that the hydrogen brittleness phenomenon generated by the reaction of the hydrogen and the strip steel is reduced, and the production and processing quality of the strip steel is further improved.
As a specific embodiment of the present invention, a cavity 381 is disposed in the paddle 38, a contact 382 is disposed in the cavity 381, the contact 382 is fixedly connected to the paddle 38 through a spring 383, and the contact 382 is matched with the paddle 38 to remove scale on the surface of the strip steel.
Similarly, the contact 382 arranged in the cavity 381 of the shifting piece 38 rotates along with the shifting piece 38, during the rotation process, the contact 382 is thrown out of the cavity 381 due to centrifugal force, the contact 382 is in contact with the strip steel and is matched with the pickling solution, the first grinding roller 33 and the second grinding roller 34, the removal efficiency of iron scales falling off during the pickling of the surface of the strip steel is improved, the iron scales are far away from the surface of the strip steel, and the iron scales are prevented from being attached to the surface of the strip steel to influence the subsequent processing quality of the strip steel.
In an embodiment of the present invention, a filter 321 is disposed at the bottom of the inner tank 32, and the filter 321 is matched with the pickling tank 31 to separate impurities from the pickling solution.
After the strip steel is pickled in the pickling tank 31, the pickling solution needs to be replaced periodically, the inner tank 32 rises to drive the filter screen 321 to filter iron scale impurities in the pickling solution during replacement, so that the pickling solution in the inner tank 32 is separated from the impurities, the replacement of the pickling solution in the pickling tank 31 is facilitated, and the actual use effect of the pickling tank 31 is improved.
The specific working process is as follows:
in the production process of a ferritic stainless steel cold-rolled strip production device, strip blanks are uncoiled through an uncoiler 1, straightened through a straightener 2, removed of iron scales through a pickling machine 3, and cold-rolled through a rolling mill 4, and then collected and stored through a coiler 5, the strip passes through a first grinding roller 33 and a second grinding roller 34 in an inner groove 32 filled with pickling liquid during pickling, a motor 35 drives an upper roller of the first grinding roller 33 and an upper roller of the second grinding roller 34 to rotate, the upper roller of the first grinding roller 33 and the upper roller of the second grinding roller 34 drive a lower roller of the first grinding roller 33 and a lower roller of the second grinding roller 34 to rotate through gear transmission, the rotating directions of the upper roller and the lower roller are opposite, a compact oxide layer on the surface of the strip is ground, the pickled strip after being polished is pickled through the pickling liquid in the same time slot, and the surface of the strip is concave-convex, and convex, the upper roller of the first grinding roller 33 and the second grinding roller 34 can be radially deformed through the arrangement of a cavity 36, excessive grinding of the surface of the strip steel is prevented by the first grinding roller 33 and the second grinding roller 34 during grinding;
when the first grinding roller 33 and the second grinding roller 34 grind the strip steel, the cavity 36 arranged on the first grinding roller 33 and the second grinding roller 34 is compressed and rebounded when the grinding rollers rotate, and the pressurizing holes 37 on the first grinding roller 33 and the second grinding roller 34 extrude and suck the pickling solution in the cavity 36 while compressing and rebounding along with the cavity 36, so that the pickling solution around the strip steel flows at an accelerated speed, the reaction rate of the strip steel and the pickling solution is increased, and the hydrogen generated in the pickling process also flows at an accelerated speed when the pickling solution flows at an accelerated speed;
during the polishing process, the shifting sheet 38 arranged in the middle of the first polishing roller 33 rotates along with the first polishing roller 33, hydrogen generated by the reaction of pickling liquid in the pickling liquid and the strip steel overflows in an accelerated manner, the pointed protrusion 39 arranged on the shifting sheet 38 rotates along with the shifting sheet 38 along with the continuation of the polishing process, when the shifting sheet 38 rotates, hydrogen bubbles generated by the reaction of the pickling liquid and the strip steel are punctured by the pointed protrusion 39 during the overflowing process, similarly, the contact 382 arranged in the cavity 381 of the shifting sheet 38 rotates along with the shifting sheet 38, during the rotation process, the contact 382 is thrown out of the cavity 381 due to centrifugal force, the contact 382 is in contact with the strip steel, and is matched with the pickling liquid, the first polishing roller 33 and the second polishing roller 34, so that the removal efficiency of iron scales falling off during the pickling of the surface of the strip steel is improved, and the iron scales are far away from the surface of the strip steel;
after the strip steel is pickled in the pickling tank 31, the pickling solution needs to be replaced periodically, and when the strip steel is replaced, the inner tank 32 rises to drive the filter screen 321 to filter iron scale impurities in the pickling solution, so that the pickling solution in the inner tank 32 is separated from the impurities, and the replacement of the pickling solution in the pickling tank 31 is facilitated;
the surfaces of the rotating shaft, the shifting piece 38, the contact 382 and the like on the pickling tank 31, the inner tank 32, the first grinding roller 33 and the second grinding roller 34 are coated with acid-resistant coatings, the spring 383, the gear and the like are made of corrosion-resistant alloy, and the first grinding roller 33 and the second grinding roller 34 are made of corrosion-resistant elastic alloy so as to ensure that the pickling machine 3 can normally run.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A production device of ferrite stainless steel cold-rolled strip steel is characterized in that: comprises an uncoiler (1), a straightener (2), an acid washing machine (3), a rolling mill (4) and a coiler (5);
the pickling machine (3) comprises a pickling tank (31), an inner tank (32), a first grinding roller (33), a second grinding roller (34) and a motor (35); the pickling tank (31) is fixedly connected to the ground; an inner groove (32) is formed in the pickling tank (31), and the inner groove (32) slides up and down on the inner wall of the pickling tank (31); a first polishing roller (33) and a second polishing roller (34) are arranged in the inner groove (32), the first polishing roller (33) and the second polishing roller (34) are rotationally connected with the inner groove (32), the number of the first polishing rollers (33) is two, and the number of the second polishing rollers (34) is two; the first grinding roller (33) and the second grinding roller (34) are vertically arranged in the inner groove (32), and the upper grinding roller and the lower grinding roller are rotationally connected through a gear; the motors (35) are fixedly connected to the outer side of the inner groove (32), the number of the motors (35) is two, the output end of one motor (35) penetrates through the inner groove (32) to be fixedly connected with the first grinding roller (33), the output end of the other motor (35) penetrates through the inner groove (32) to be fixedly connected with the second grinding roller (34), and one ends of the first grinding roller (33) and the second grinding roller (34) far away from the output ends of the motors (35) are rotatably connected with the inner wall of the inner groove (32) through rotating shafts; cavities (36) are arranged in the first grinding roller (33) and the second grinding roller (34), and the cavities (36) are used for preventing the strip steel from being excessively ground.
2. The apparatus for producing a ferritic stainless steel cold rolled strip as claimed in claim 1, wherein: a pressurizing hole (37) is formed in the first grinding roller (33) and the second grinding roller (34), and the pressurizing hole (12) is communicated with the cavity (36).
3. The apparatus for producing a ferritic stainless steel cold rolled strip as claimed in claim 1, wherein: the middle part of the first grinding roller (33) is provided with more than one shifting sheet (38), and the shifting sheets (38) are fixedly connected with the rotating shaft.
4. The apparatus for producing a ferritic stainless steel cold rolled strip as claimed in claim 3, wherein: the poking sheet (38) is provided with a pointed bulge (39) which is matched with the poking sheet (38) and is used for puncturing hydrogen bubbles generated by pickling.
5. The apparatus for producing a ferritic stainless steel cold rolled strip as claimed in claim 3, wherein: be equipped with cavity (381) in plectrum (38), be equipped with contact (382) in cavity (381), contact (382) pass through spring (383) and plectrum (38) fixed connection, contact (382) and plectrum (38) cooperation for clear away the scale that drops on belted steel surface.
6. The apparatus for producing a ferritic stainless steel cold rolled strip as claimed in claim 1, wherein: the bottom of the inner groove (32) is provided with a filter screen (321), and the filter screen (321) is matched with the pickling tank (31) to separate impurities from the pickling solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198637.2A CN114043366A (en) | 2021-10-14 | 2021-10-14 | Ferrite stainless steel cold-rolled strip steel production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198637.2A CN114043366A (en) | 2021-10-14 | 2021-10-14 | Ferrite stainless steel cold-rolled strip steel production device |
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| Publication Number | Publication Date |
|---|---|
| CN114043366A true CN114043366A (en) | 2022-02-15 |
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| CN202111198637.2A Pending CN114043366A (en) | 2021-10-14 | 2021-10-14 | Ferrite stainless steel cold-rolled strip steel production device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120054001A (en) * | 2012-04-30 | 2012-05-29 | 주식회사 포스코 | Apparatus for manufacturing cold rolled stainless coil by semi-sequential way |
| CN103920741A (en) * | 2014-03-27 | 2014-07-16 | 中冶南方工程技术有限公司 | Low-consumption method for producing products with corrosion resistance and high surface quality by replacing cold-rolling by hot-rolling |
| CN103921059A (en) * | 2014-03-27 | 2014-07-16 | 中冶南方工程技术有限公司 | Production method of low-acid-consumption cold-rolled strip steel product |
-
2021
- 2021-10-14 CN CN202111198637.2A patent/CN114043366A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120054001A (en) * | 2012-04-30 | 2012-05-29 | 주식회사 포스코 | Apparatus for manufacturing cold rolled stainless coil by semi-sequential way |
| CN103920741A (en) * | 2014-03-27 | 2014-07-16 | 中冶南方工程技术有限公司 | Low-consumption method for producing products with corrosion resistance and high surface quality by replacing cold-rolling by hot-rolling |
| CN103921059A (en) * | 2014-03-27 | 2014-07-16 | 中冶南方工程技术有限公司 | Production method of low-acid-consumption cold-rolled strip steel product |
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