CN113732084A - Hot rolling steel sheet pile oxide skin recycling and dust removing device - Google Patents
Hot rolling steel sheet pile oxide skin recycling and dust removing device Download PDFInfo
- Publication number
- CN113732084A CN113732084A CN202110983005.0A CN202110983005A CN113732084A CN 113732084 A CN113732084 A CN 113732084A CN 202110983005 A CN202110983005 A CN 202110983005A CN 113732084 A CN113732084 A CN 113732084A
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- oxide skin
- hot
- collecting box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 239000000428 dust Substances 0.000 title claims abstract description 37
- 238000005098 hot rolling Methods 0.000 title claims description 16
- 238000004064 recycling Methods 0.000 title abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000007306 turnover Effects 0.000 claims abstract description 50
- 230000007704 transition Effects 0.000 claims abstract description 25
- 238000005488 sandblasting Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 14
- 239000003818 cinder Substances 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000004576 sand Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
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
- B21B45/04—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 de-scaling, e.g. by brushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/20—Revolving, turning-over, or like manipulation of work, e.g. revolving in trio stands
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a hot-rolled steel sheet pile oxide skin recycling and dust removing device which comprises a straightener, wherein a first collecting box is arranged below the straightener, a first transition roller set is transversely arranged at the rear edge of the straightener, a turnover mechanism is arranged behind the first transition roller set, and a second collecting box is arranged below the turnover mechanism.
Description
Technical Field
The invention belongs to the technical field of hot-rolled steel sheet pile production equipment, and particularly relates to a hot-rolled steel sheet pile oxide skin recycling and dust removing device.
Background
The hot-rolled steel sheet pile is similar to the production process of other hot-rolled sections, and is subjected to the working procedures of heating, rolling, cooling and straightening, sizing and cutting and the like. After cooling, a layer of oxide scale (generally blue) is formed on the surface of the section bar, and after straightening, the layer of oxide scale is cracked and peeled off. For the U-shaped hot-rolled steel sheet pile, oxide skin on the outer side can scatter around the straightening machine, the cleaning workload is large, and the production site is untidy; the intraoral cinder of basin can drop in the web, if not in time the clearance will influence the outward appearance of product, the transportation also can be blown away polluted environment. In the prior method, the oxide skin in the web is blown away by a high-pressure air pipe, so that the environment is polluted and waste is caused; the adoption of the cover type dust removing equipment has poor dust removing effect and low oxide skin recovery rate, thus causing certain waste. Because the scale can be used for sintering and steelmaking production, if the scale can be recycled, the scale can be supplied to a steel plant to reduce the production cost.
Chinese patent with application No. 2020201754971 discloses an environmental protection, energy saving, dust pelletizing system is retrieved to hot rolling steel sheet pile cinder of falling this, including the straightener, the dust absorption pipeline, the dust remover, band conveyer, the collecting box, fixed nylon brush device, set up fixed nylon brush device and dust absorption pipeline in proper order in discharge gate one side of straightener, be equipped with band conveyer below straightener steel sheet pile orbit, the collecting box sets up the discharge end at band conveyer, under the fixed nylon brush device, the dust absorption pipeline is connected with the dust remover, the dust absorption mouth and the steel sheet pile web size phase-match of dust absorption pipeline stretch into in the steel sheet pile basin mouth of operation, nylon brush and the steel sheet pile basin mouth phase-match in the fixed nylon brush device stretch into in the steel sheet pile basin mouth of operation.
It can make the cinder partially retrieve, especially passes through the cooperation of brush and dust absorption pipeline to the cinder in the basin mouth, not only consumes the energy, and the recovery effect is limited moreover.
The Chinese patent with the application number of 2020202148719 discloses an environmental protection, energy-conserving hot rolling angle steel cinder clearance, recovery and dust pelletizing system again, the straightening process at the angle steel production line is arranged to the system, including descaling cleaning device, dust collecting equipment, water dust collector, cinder collection device in advance, descaling cleaning device sets up before the straightener entry in advance, is equipped with cinder collection device in descaling cleaning device and straightener bottom in advance, and water dust collector sets up between the straightener roll of straightener, and dust collecting equipment connects descaling cleaning device in advance.
This patent will be in advance cleaning device before the straightener, and the oxide skin on the hot rolling steel sheet pile is less and difficult for droing this moment and is peeled off by cleaning device in advance, and adopts water dust collector in straightener department, and a large amount of water of carrier, the oxide skin that is the soaking state is difficult to directly retrieve and store by the oxide skin that is peeled off this moment in a large number.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the hot-rolled steel sheet pile straightening device, the oxide skin on the outer side of the hot-rolled steel sheet pile directly falls into the first collecting box after being straightened by the straightening machine, the oxide skin in the basin mouth is turned over by the turnover mechanism on the rear side to enable the basin mouth to face downwards, the oxide skin in the basin mouth directly falls into the second collecting box, the cleaning effect is better, an additional high-power dust collector is not needed, and no residue exists in the basin mouth regardless of the size of the oxide skin.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dust collector is retrieved to hot rolling steel sheet pile cinder, includes the straightener, and the straightener below is provided with first collecting box, and the straightener is followed transversely and is provided with first transition roller set, be provided with tilting mechanism behind the first transition roller set, the tilting mechanism below is provided with the second collecting box.
Further tilting mechanism includes two brace tables, all is provided with a on every brace table and rolls the ring, and two brace tables are along transverse distribution, be provided with the gyro wheel that supports the ring on the brace table, two roll and be provided with supporting beam and last supporting beam down between the ring, be provided with a plurality of lower supporting rolls on the supporting beam down, upward be provided with telescopic machanism on the supporting beam, the telescopic machanism below is provided with the supporting roll.
Further, the telescopic mechanism is a cylinder or a linear push rod.
And furthermore, the turnover mechanisms are provided with two groups, and the bottom of each turnover mechanism is provided with a moving mechanism which enables the turnover mechanisms to move longitudinally.
Furthermore, a guide rail which is longitudinally arranged is arranged on the ground below the turnover mechanism, the moving mechanism comprises a guide wheel matched with the guide rail, the two ends of the guide rail are turnover positions, the middle part of the guide rail is a receiving position, and the second collecting box is positioned at the turnover positions.
A fixed rod is arranged between the supporting platforms of the two further turnover mechanisms and connects the two turnover mechanisms into a whole.
And a first sand blasting machine and a third collecting box are arranged below the first transition roller set, the first sand blasting machine faces the upper side, and the third collecting box is positioned below the first sand blasting machine.
And a second transition roller set is arranged behind the second collection box, a second sand blasting machine and a fourth collection box are arranged below the second transition roller set, the second sand blasting machine faces upward, and the fourth collection box is positioned below the second sand blasting machine.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the oxide skin on the surface is fallen off after the straightening machine straightens, the oxide skin on the outer side directly falls into the first collection box to be collected, and the oxide skin in the basin mouth is downwards to enable the oxide skin in the basin mouth to fall into the second collection box to be collected when the turnover mechanism is positioned in the hot rolled steel sheet pile to turn over.
Drawings
FIG. 1 is a front view of the hot rolled steel sheet pile oxide skin recovery and dust removal device of the present invention;
FIG. 2 is a top view of the hot rolled steel sheet pile scale recovery and dust removal device of the present invention;
fig. 3 is a side view of the anti-centering and overturning mechanism.
Reference numerals: 1. straightening machine; 2. a first set of transition rolls; 3. a turnover mechanism; 31. a support table; 32. rolling a ring; 33. a lower support beam; 331. a lower support roller; 34. an upper support beam; 341. an upper support roller; 342. a telescoping mechanism; 35. a guide rail; 36. a roller; 37. a guide wheel; 4. a second set of transition rolls; 51. a first collection tank; 52. a second collection tank; 61. a third collection tank; 62. a fourth collection tank; 71. a first sand blasting machine; 72. and a second sand blasting machine.
Detailed Description
An embodiment of the hot rolled steel sheet pile scale recovery and dust removal apparatus according to the present invention will be further described with reference to fig. 1 to 3.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
The utility model provides a dust collector is retrieved to hot rolling steel sheet pile cinder, includes straightener 1, and straightener 1 below is provided with first collecting box 51, and straightener 1 back is along transversely being provided with first transition roller set 2, be provided with tilting mechanism 3 behind the first transition roller set 2, tilting mechanism 3 below is provided with second collecting box 52.
Wherein the first transition roller group 2 can be connected with an actively driven motor to advance the hot rolled steel sheet pile.
After passing through the straightener 1, the scale attached to the inner and outer surfaces of the hot rolled steel sheet pile is peeled off, wherein the scale on the outer side directly falls into the first collection box 51 at the straightener 1, and then the hot rolled steel sheet pile passes through the first transition roller set 2 and reaches the turnover mechanism 3, and the turnover mechanism 3 enables the hot rolled steel sheet pile to turn over up and down, even if the basin mouth faces downwards, in the process, the scale on the inner side of the basin mouth naturally falls into the second collection box 52 to be collected.
The preferred tilting mechanism 3 of this embodiment includes two supporting platforms 31, all is provided with a rolling ring 32 on every supporting platform 31, and two supporting platforms 31 are along transverse distribution, be provided with the gyro wheel 36 that supports rolling ring 32 on the supporting platform 31, be provided with lower supporting beam 33 and last supporting beam 34 between two rolling rings 32, be provided with a plurality of lower supporting rollers 331 on the lower supporting beam 33, be provided with telescopic machanism 342 on the last supporting beam 34, be provided with support roller 341 below telescopic machanism 342.
Wherein, a motor for driving the rolling ring 32 to rotate can be arranged on the support table 31, the motor can directly drive the rolling ring 32 through a gear ring, or the motor drives the roller 36, and the roller 36 is used for driving the rolling ring 32 to rotate; a motor is provided on the lower support beam 33 to drive the lower support roller 331 to rotate.
The middle part (between two rolling rings 32) most region of tilting mechanism 3 is in that the fretwork does not have shelters from, hot rolling steel sheet pile arrives by first transition roller set 2 completely on back-up roll 331, telescopic machanism 342 makes upper support roll 341 move down and pushes down in the basin mouth of hot rolling steel sheet pile or top, then rolling ring 32 rotates, make hot rolling steel sheet pile upset 180, of course also can overturn other angles according to the shape of hot rolling steel sheet pile, perhaps make a round trip to overturn, make originally be in the cinder of hot rolling steel sheet pile top (basin mouth) drop to the second collecting box 52 in.
The telescopic mechanism 342 of the present embodiment is preferably a cylinder or a linear push rod.
The preferable telescoping mechanism 342 and the upper supporting roller 341 are supported by a compression spring.
In the present embodiment, preferably, the turnover mechanism 3 is provided with two sets, and a moving mechanism is provided at the bottom of the turnover mechanism 3, and the moving mechanism enables the turnover mechanism 3 to move along the longitudinal direction.
Specifically, a guide rail 35 which is longitudinally arranged is arranged on the ground below the turnover mechanism 3, the moving mechanism comprises a guide wheel 37 which is matched with the guide rail 35, the two ends of the guide rail 35 are turnover positions, the middle part of the guide rail 35 is a receiving position, and the second collecting box 52 is positioned at the turnover position.
The turnover mechanism 3 is connected with a motor to drive the turnover mechanism 3 to move integrally along the guide rail 35.
The middle of the guide rail 35 is aligned with the rear of the first transition roller group 2, and for the sake of easy understanding, as shown in fig. 2, two turning positions are defined as a and B, respectively, and two turning mechanisms 3 are defined as C and D, respectively, in the present embodiment.
In the working process, taking the position shown in fig. 2 as an initial state as an example, the turnover mechanism 3C is located at the turnover position a, the turnover mechanism 3D is located in the middle of the guide rail 35, at this time, the hot rolled steel sheet pile reaches the turnover mechanism 3D from the first transition roller set 2 and is fixed by the turnover mechanism 3D, then, both the turnover mechanisms 3 move along the guide rail 35, so that the turnover mechanism 3D reaches the turnover position B, and in the moving process, the turnover mechanism 3D can synchronously turn over, even if the hot rolled steel sheet pile inside the turnover mechanism turns over, so that the oxide skin inside the turnover mechanism falls into the second collection box 52 at the turnover position B, and meanwhile, the turnover mechanism 3C aligns the middle of the guide rail 35 with the first transition roller set 2; receive another hot rolling steel sheet pile by tilting mechanism 3C, the hot rolling steel sheet pile in tilting mechanism 3D shifts out backward with 180 gestures of upset, collects or other processes are handled, then two tilting mechanism 3 remove along guide rail 35 again, and the rolling ring 32 in the removal in-process tilting mechanism 3D resets, and the hot rolling steel sheet pile in tilting mechanism 3C overturns and pours out the oxide skin to the second collecting box 52 of upset position A department in, so reciprocal.
A fixing rod is arranged between the supporting platforms 31 of the two preferred turnover mechanisms 3 in this embodiment, and the fixing rod connects the two turnover mechanisms 3 into a whole, so that the two turnover mechanisms 3 move completely and synchronously.
The first sand blaster 71 and the third collection box 61 are arranged below the first transition roller group 2, the first sand blaster 71 faces upwards, and the third collection box 61 is positioned below the first sand blaster 71.
The surface of the outer side (the downward surface at this time) of the hot rolled steel sheet pile can be cleaned more cleanly by the first sand blasting machine 71, and a small amount of the mixture of the oxide scale and the sand and the water at this time is collected separately by the third collection tank 61, so that the sand or the water is prevented from being mixed into the first collection tank 51 or the second collection tank 52.
The preferred embodiment has the first sander 71 spout arranged at an angle, depending on its orientation, away from either the first collection tank 51 or the second collection tank 52.
The second transition roller set 4 is arranged behind the second collection box 52, the second sand blaster 72 and the fourth collection box 62 are arranged below the second transition roller set 4, the second sand blaster 72 faces upwards, and the fourth collection box 62 is arranged below the second sand blaster 72.
The surface of the basin mouth (the face facing downwards at this time) of the hot rolled steel sheet pile can be cleaned more cleanly by the second sand blasting machine 72, the fourth collection box 62 is used for collection, and the same spout of the second sand blasting machine 72 is obliquely arranged and is far away from the second collection box 52 according to the orientation.
Dust collectors may be provided at the first collection tank 51 and the second collection tank 52 in the present invention to collect dust caused by falling of scale, making the on-site environment cleaner.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a hot rolling steel sheet pile cinder recovery dust collector which characterized in that: including the straightener, the straightener below is provided with first collecting box, and the straightener back is along transversely being provided with first transition roller set, be provided with tilting mechanism behind the first transition roller set, the tilting mechanism below is provided with the second collecting box.
2. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 1, which is characterized in that: tilting mechanism includes two brace tables, all is provided with one on every brace table and rolls the ring, and two brace tables are along transverse distribution, be provided with the gyro wheel that the ring was rolled in the support table, two roll and be provided with supporting beam down and last supporting beam between the ring, be provided with a plurality of supporting rolls down on the supporting beam down, upward be provided with telescopic machanism on the supporting beam, the telescopic machanism below is provided with the supporting roll.
3. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 2, which is characterized in that: the telescopic mechanism is a cylinder or a linear push rod.
4. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 3, which is characterized in that: the turnover mechanism is provided with two groups, and the bottom of the turnover mechanism is provided with a moving mechanism which enables the turnover mechanism to move longitudinally.
5. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 4, which is characterized in that: the ground below the turnover mechanism is provided with a guide rail which is longitudinally arranged, the moving mechanism comprises a guide wheel matched with the guide rail, the two ends of the guide rail are turnover positions, the middle part of the guide rail is a receiving position, and the second collecting box is positioned at the turnover positions.
6. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 5, which is characterized in that: a fixed rod is arranged between the supporting platforms of the two turnover mechanisms and connects the two turnover mechanisms into a whole.
7. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 6, which is characterized in that: first transition roller set below is provided with first sand blasting machine and third collecting box, and first sand blasting machine is towards the top, and the third collecting box is located first sand blasting machine below.
8. The hot-rolled steel sheet pile oxide skin recovery and dust removal device of claim 7, which is characterized in that: the second transition roller set is arranged behind the second collecting box, the second sand blasting machine and the fourth collecting box are arranged below the second transition roller set, the second sand blasting machine faces the upper side, and the fourth collecting box is located below the second sand blasting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110983005.0A CN113732084B (en) | 2021-08-25 | 2021-08-25 | Hot rolled steel sheet pile oxide skin recovery dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110983005.0A CN113732084B (en) | 2021-08-25 | 2021-08-25 | Hot rolled steel sheet pile oxide skin recovery dust collector |
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| Publication Number | Publication Date |
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| CN113732084A true CN113732084A (en) | 2021-12-03 |
| CN113732084B CN113732084B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110983005.0A Active CN113732084B (en) | 2021-08-25 | 2021-08-25 | Hot rolled steel sheet pile oxide skin recovery dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473529A (en) * | 2022-03-24 | 2022-05-13 | 威海海洋职业学院 | Steel preprocessing device for shipbuilding |
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|---|---|---|---|---|
| CH348670A (en) * | 1955-01-26 | 1960-09-15 | Thomas Ernst | Method and device for the continuous descaling of hot-rolled strip iron |
| CN1122264A (en) * | 1994-07-07 | 1996-05-15 | 矿山机械和轧钢机械制造有限公司 | A process for the preparation of cold rolled stain less steel strips and metal strips, more particularly of titanium alloys |
| CN102083562A (en) * | 2008-07-04 | 2011-06-01 | Posco公司 | Method and facility for removing scale from hot rolled steel sheet |
| CN204817334U (en) * | 2014-12-31 | 2015-12-02 | 德力西集团仪器仪表有限公司 | Online dust collector of electric energy meter |
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| CN211660755U (en) * | 2020-02-17 | 2020-10-13 | 鞍山紫竹科技型钢有限公司 | Environment-friendly, energy-saving and cost-reducing oxide skin recovery and dust removal system for hot-rolled steel sheet pile |
| CN211682678U (en) * | 2019-12-30 | 2020-10-16 | 重庆恒隆陶瓷制品有限公司 | Extrusion forming machine export waste recovery device |
| CN112809303A (en) * | 2021-01-29 | 2021-05-18 | 南宁展佳机械技术有限公司 | Auxiliary assembly for automatically overturning and removing oxide skin for welding automobile parts |
-
2021
- 2021-08-25 CN CN202110983005.0A patent/CN113732084B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH348670A (en) * | 1955-01-26 | 1960-09-15 | Thomas Ernst | Method and device for the continuous descaling of hot-rolled strip iron |
| CN1122264A (en) * | 1994-07-07 | 1996-05-15 | 矿山机械和轧钢机械制造有限公司 | A process for the preparation of cold rolled stain less steel strips and metal strips, more particularly of titanium alloys |
| CN102083562A (en) * | 2008-07-04 | 2011-06-01 | Posco公司 | Method and facility for removing scale from hot rolled steel sheet |
| CN204817334U (en) * | 2014-12-31 | 2015-12-02 | 德力西集团仪器仪表有限公司 | Online dust collector of electric energy meter |
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| CN211660755U (en) * | 2020-02-17 | 2020-10-13 | 鞍山紫竹科技型钢有限公司 | Environment-friendly, energy-saving and cost-reducing oxide skin recovery and dust removal system for hot-rolled steel sheet pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114473529A (en) * | 2022-03-24 | 2022-05-13 | 威海海洋职业学院 | Steel preprocessing device for shipbuilding |
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| CN113732084B (en) | 2024-05-10 |
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