CN115026093A - Cold rolling pickling line straightener, welding machine dust pelletizing system - Google Patents
Cold rolling pickling line straightener, welding machine dust pelletizing system Download PDFInfo
- Publication number
- CN115026093A CN115026093A CN202210665123.1A CN202210665123A CN115026093A CN 115026093 A CN115026093 A CN 115026093A CN 202210665123 A CN202210665123 A CN 202210665123A CN 115026093 A CN115026093 A CN 115026093A
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- dust
- dust collector
- welding machine
- bag
- pipeline
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- 239000000428 dust Substances 0.000 title claims abstract description 149
- 238000003466 welding Methods 0.000 title claims abstract description 43
- 238000005097 cold rolling Methods 0.000 title claims abstract description 24
- 238000005554 pickling Methods 0.000 title claims abstract description 17
- 238000005453 pelletization Methods 0.000 title claims description 4
- 238000003860 storage Methods 0.000 claims description 25
- 239000002245 particle Substances 0.000 abstract description 13
- 239000000779 smoke Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000010419 fine particle Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000011362 coarse particle Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a cold rolling and pickling machine straightening machine and a welding machine dust removal system, which comprise a pinch roll straightening machine cover arranged below a cold rolling pinch roll straightening machine, a welding machine cover arranged below a flash butt welding machine and a stretching straightening machine cover arranged below the stretching straightening machine, wherein dust generated in the production process is screened out to obtain coarse-particle dust and fine-particle dust through a vibrating screen, so that the abrasion of the coarse-particle dust on a conveying pipeline is avoided; after the dust containing fine particles is treated by the bag-type dust collector, the dust also contains trace amount of extremely-fine particles, and after the dust is treated by the wet dust collector, the smoke does not contain particles any more and can be directly discharged into the atmosphere.
Description
Technical Field
The invention relates to the technical field of cold-rolled strip steel production, in particular to a dust removal system for a straightener and a welding machine of a cold-rolling pickling line.
Background
The strip steel is welded by an automatic flash butt welding machine in the production process of the strip steel to ensure continuous and efficient production of the strip steel. In order to ensure the surface quality of the strip steel after the strip steel is acid-rolled, the strip steel needs to be straightened by a pinch roll straightener and a stretching straightener at the inlet end of an acid washing unit. A large amount of smoke is generated by extruding, stretching, bending, straightening and automatically welding the strip steel. The generated smoke not only affects the health of operators, but also pollutes the environment, and simultaneously has certain influence on the surface quality of the strip steel.
Disclosure of Invention
In order to solve the problems, the invention provides a cold rolling and pickling machine straightening machine and a welding machine dust removal system, which can effectively adsorb smoke dust generated in the production process.
The technical scheme adopted by the invention is as follows: the utility model provides a cold rolling pickling line straightener, welding machine dust pelletizing system which characterized in that: the device comprises a pinch roll straightening hood arranged below a cold-rolling pinch roll straightening machine, a welding hood arranged below a flash butt welding machine and a stretching straightening hood arranged below the stretching straightening machine, wherein a first vibrating screen is arranged in the pinch roll straightening hood, and the pinch roll straightening hood is connected with a first ash storage groove at the lower end of the first vibrating screen through a first dust absorption pipe; the bottom of the pinch roll straightening machine cover is connected with a bag-type dust collector through a pipeline;
a second vibrating screen is arranged in the welding machine cover, and the welding machine cover is connected with a second ash storage groove at the lower end of the second vibrating screen through a second dust collection pipe; the bottom of the welding machine cover is connected with the bag-type dust collector through a pipeline;
a third vibrating screen is arranged in the stretching straightening machine cover, and the stretching straightening machine cover is connected with a third ash storage tank through a third dust absorption pipe at the lower end of the third vibrating screen; the bottom of the stretching straightening machine cover is connected with a bag-type dust collector through a pipeline;
the bag-type dust collector is connected with the wet-type dust collector through a pipeline, and the bottom of the bag-type dust collector is connected with the fourth ash storage tank through a pipeline; the wet dust collector is communicated with the atmosphere after passing through the fan through a pipeline.
Preferably, the bag-type dust collector is provided with a first pressure gauge.
Preferably, a second pressure gauge is installed on the wet dust collector.
Preferably, a first translation butterfly valve and a pipeline translation butterfly valve are arranged on a connecting pipeline between the pinch roll straightening hood and the bag-type dust collector.
Preferably, a second translation butterfly valve and a pipeline translation butterfly valve are arranged on a connecting pipeline between the welding hood and the bag-type dust collector.
Preferably, a third translation butterfly valve and a pipeline translation butterfly valve are arranged on a connecting pipeline between the stretching straightening hood and the bag-type dust collector.
Preferably, a fourth translation butterfly valve is arranged on a connecting pipeline of the bag-type dust collector and the wet-type dust collector.
Preferably, a dust suction valve is arranged on a connecting pipeline between the bag-type dust collector and the fourth dust storage tank.
Preferably, a fifth translational butterfly valve is arranged on a connecting pipeline between the wet dust collector and the fan.
The beneficial effects obtained by the invention are as follows: the smoke dust generated in the production process is screened out of coarse dust particles and fine dust particles by a vibrating screen, so that the abrasion of the coarse dust particles on a conveying pipeline is avoided; after the dust containing fine particles is treated by the bag-type dust collector, the dust also contains trace amount of tiny particles, and after the dust is treated by the wet-type dust collector, the smoke does not contain any particles any more and can be directly discharged into the atmosphere. The invention has the following advantages:
1. the cold rolling and pickling machine straightening machine and the welding machine smoke dust treatment system have good sealing effect and can be completely pumped and drained;
2. the dust with coarse particles screened by the vibrating screen directly enters the dust storage tank to be recycled, and the dust with fine particles enters the bag-type dust collector through the conveying pipeline, so that the abrasion of the dust with coarse particles to the conveying pipeline is avoided;
3. after the flue gas discharged from the bag-type dust remover is subjected to a wet dust remover, the flue gas discharged to the atmosphere does not contain any dust, and is very clean.
Drawings
FIG. 1 is a schematic connection diagram of the present invention;
wherein: 1. a pinch roll straightening machine cover; 2. a first vibrating screen; 3. a first dust suction pipe; 4. a first ash storage tank; 5. a first translational butterfly valve; 6. welding a machine cover; 7. a second vibrating screen; 8. a second dust suction pipe; 9. a second ash storage tank; 10. a second translational butterfly valve; 11. stretching and straightening a machine cover; 12. a third vibrating screen; 13. a third dust suction pipe; 14. a third ash storage tank; 15. a third translational butterfly valve; 16. a pipeline translation butterfly valve; 17. a first pressure gauge; 18. a bag-type dust collector; 19. a dust suction valve; 20. a fourth ash storage tank; 21. a fourth translational butterfly valve; 22. a wet dust collector; 23. a second pressure gauge; 24. a fifth translation butterfly valve; 25. a fan.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the dust removal system for the straightener and the welding machine of the cold rolling and pickling machine set comprises a pinch roll straightener hood 1, a welding hood 6 and a stretching straightener hood 11, wherein the pinch roll straightener hood 1 is arranged below the cold rolling pinch roll straightener, the welding hood 6 is arranged below a flash butt welding machine, and the stretching straightener hood 11 is arranged below the stretching straightener.
A first vibrating screen 2 is arranged in a pinch roll straightening machine cover 1, the first vibrating screen 2 is obliquely arranged, the pinch roll straightening machine cover 1 is connected with a first ash storage tank 4 at the lower end of the first vibrating screen 2 through a first dust collection pipe 3, and larger particles in smoke dust generated in a cold rolling pinch roll straightening machine are screened out through the first vibrating screen 2. The bottom of the pinch roll straightening hood 1 is connected with a bag-type dust collector 18 through a first translation butterfly valve 5 and a pipeline translation butterfly valve 16 through pipelines.
Be equipped with second shale shaker 7 in the welding aircraft bonnet 6, the slope of second shale shaker 7 sets up, and welding aircraft bonnet 6 links to each other with second ash storage tank 9 through second dust absorption pipe 8 in 7 lower extremes of second shale shaker, and the bigger granule in the endogenetic smoke and dust of butt welding machine that will flash of light is sieved through second shale shaker 7. The bottom of the welding hood 6 is connected with a bag-type dust collector 18 through a second translation butterfly valve 10 and a pipeline translation butterfly valve 16 by pipelines.
And a third vibrating screen 12 is arranged in the stretching straightening machine cover 11, the third vibrating screen 12 is obliquely arranged, the stretching straightening machine cover 11 is connected with a third ash storage tank 14 at the lower end of the third vibrating screen 12 through a third dust suction pipe 13, and larger particles in smoke generated in the stretching straightening machine are screened out through the third vibrating screen 12. The bottom of the stretching straightening machine cover 11 is connected with a bag-type dust collector 18 through a third translation butterfly valve 15 and a pipeline translation butterfly valve 16 through pipelines.
The bag-type dust collector 18 is connected with a wet dust collector 22 through a fourth translation butterfly valve 21 by a pipeline, the bottom of the bag-type dust collector 18 is connected with a fourth dust storage tank 20 through a dust collection valve 19 by a pipeline, and the wet dust collector 22 is communicated with the atmosphere through a fifth translation butterfly valve 24 and a fan 25 by pipelines.
In this embodiment, the bag-type dust collector 18 is provided with a first pressure gauge 17, and the wet-type dust collector 22 is provided with a second pressure gauge 23.
First, the upper and lower parts of the cold rolling pinch roll straightener, the tension straightener and the flash butt welder are sealed, and corresponding air suction covers (a pinch roll straightener cover 1, a welding cover 6 and a tension straightener cover 11) are arranged below the cold rolling pinch roll straightener, the tension straightener and the flash butt welder. The lower part of a pinch roll straightening hood 1 sucks air, so that coarse-grained dust screened by dust through a first vibrating screen 2 enters a first dust storage tank 4 through a first dust suction pipe 3, and fine-grained dust enters a pipeline translation butterfly valve 16 through a first translation butterfly valve 5 and is conveyed into a bag-type dust collector 18. The dust of the welding machine cover 6 is screened out to be coarse-grained dust through the second vibrating screen 7 and enters the second dust storage tank 9 through the second dust collection pipe 8, and the dust smoke containing fine grains enters the pipeline translation butterfly valve 16 through the second translation butterfly valve 10 and is conveyed into the bag-type dust collector 18. The dust of the stretching straightening machine cover 11 passes through a third vibrating screen 12 to be screened into coarse dust particles, the coarse dust particles pass through a third dust suction pipe 13 to enter a third dust storage tank 14, and the fine dust particles pass through a third translation butterfly valve 15 to enter a pipeline translation butterfly valve 16 to be conveyed into a bag-type dust collector 18. The dust is screened out by the vibrating screen to obtain coarse dust and fine dust, so that the abrasion of the coarse dust to the conveying pipeline is avoided.
The bag-type dust collector 18 is internally provided with a first pressure gauge 17, dust enters a fourth dust storage tank 20 through a dust collection valve 19 after dust removal treatment of dust flue gas through the bag-type dust collector 18, the flue gas enters a wet dust collector 22 through a fourth translation butterfly valve 21 to clean up minute and fine dust, the wet dust collector 22 is provided with a second pressure gauge 23, and the cleaned flue gas in the wet dust collector 22 is discharged to the atmosphere through a fifth translation butterfly valve 24 by a fan 25.
The method comprises the following steps that coarse and large-particle dust screened by a vibrating screen enters an ash storage tank, fine and small-particle dust is conveyed into a bag-type dust collector for dust removal treatment, the dust removed ash enters the ash storage tank, and the flue gas containing a small amount of ultrafine particles in the bag-type dust collector is treated by a wet dust collector and then is discharged into the atmosphere.
The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.
The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, a detailed description of related known functions or configurations will be omitted when it is determined that it unnecessarily obscures the focus of the specification and claims.
Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.
It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be the same or different in performance from one another.
In describing positional relationships, for example, when positional sequences are described as being "on.. above", "over.. below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the descriptions of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and performed in a variety of different configurations as would be well understood by those skilled in the art. Embodiments of the invention may be performed independently of each other or may be performed together in an interdependent relationship.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the embodiments described above, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (9)
1. The utility model provides a cold rolling pickling line straightener, welding machine dust pelletizing system which characterized in that: the device comprises a pinch roll straightening machine cover (1) arranged below a cold rolling pinch roll straightening machine, a welding machine cover (6) arranged below a flash butt welding machine and a stretching straightening machine cover (11) arranged below the stretching straightening machine, wherein a first vibrating screen (2) is arranged in the pinch roll straightening machine cover (1), and the pinch roll straightening machine cover (1) is connected with a first ash storage tank (4) at the lower end of the first vibrating screen (2) through a first dust collection pipe (3); the bottom of the pinch roll straightening machine cover (1) is connected with a bag-type dust collector (18) through a pipeline;
a second vibrating screen (7) is arranged in the welding machine cover (6), and the welding machine cover (6) is connected with a second ash storage groove (9) through a second dust collection pipe (8) at the lower end of the second vibrating screen (7); the bottom of the welding hood (6) is connected with a bag-type dust collector (18) through a pipeline;
a third vibrating screen (12) is arranged in the stretching straightening machine cover (11), and the stretching straightening machine cover (11) is connected with a third ash storage tank (14) at the lower end of the third vibrating screen (12) through a third dust suction pipe (13); the bottom of the stretching straightening machine cover (11) is connected with a bag-type dust collector (18) through a pipeline;
the bag-type dust collector (18) is connected with the wet dust collector (22) through a pipeline, and the bottom of the bag-type dust collector (18) is connected with the fourth ash storage tank (20) through a pipeline; the wet dust collector (22) is communicated with the atmosphere after passing through a fan (25) through a pipeline.
2. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, characterized in that: and a first pressure gauge (17) is arranged on the bag-type dust collector (18).
3. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, wherein: and a second pressure gauge (23) is arranged on the wet dust collector (22).
4. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, wherein: and a first translation butterfly valve (5) and a pipeline translation butterfly valve (16) are arranged on a connecting pipeline between the pinch roll straightening hood (1) and the bag-type dust collector (18).
5. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, wherein: and a second translation butterfly valve (10) and a pipeline translation butterfly valve (16) are arranged on a connecting pipeline between the welding machine cover (6) and the bag-type dust collector (18).
6. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, wherein: and a third translation butterfly valve (15) and a pipeline translation butterfly valve (16) are arranged on a connecting pipeline between the stretching straightening hood (11) and the bag-type dust collector (18).
7. The cold rolling and pickling line straightener and welding machine dust removal system of claim 1, wherein: and a fourth translation butterfly valve (21) is arranged on a connecting pipeline of the bag-type dust collector (18) and the wet-type dust collector (22).
8. The cold rolling and pickling line straightener and welding machine dust removal system of claim 7, characterized in that: and a dust suction valve (19) is arranged on a connecting pipeline between the bag-type dust collector (18) and the fourth dust storage tank (20).
9. The cold rolling and pickling line straightener and welding machine dust removal system of claim 2, wherein: and a fifth translation butterfly valve (24) is arranged on a connecting pipeline between the wet dust collector (22) and the fan (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210665123.1A CN115026093A (en) | 2022-06-13 | 2022-06-13 | Cold rolling pickling line straightener, welding machine dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210665123.1A CN115026093A (en) | 2022-06-13 | 2022-06-13 | Cold rolling pickling line straightener, welding machine dust pelletizing system |
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| CN115026093A true CN115026093A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210665123.1A Pending CN115026093A (en) | 2022-06-13 | 2022-06-13 | Cold rolling pickling line straightener, welding machine dust pelletizing system |
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| CN110772921A (en) * | 2019-12-02 | 2020-02-11 | 天津大沽化工股份有限公司 | Purification device and purification method for particulate matters in PVC (polyvinyl chloride) drying tail air |
| CN211637749U (en) * | 2019-12-16 | 2020-10-09 | 中冶南方工程技术有限公司 | Dust removal device for hot rolling leveling line pinch straightener and pinch straightener |
| CN214914192U (en) * | 2021-01-21 | 2021-11-30 | 洛阳锐腾机械设备有限公司 | Water vapor dust removal system of hot straightening machine |
| CN214866292U (en) * | 2021-05-28 | 2021-11-26 | 大连昱达汽车部件制造有限公司 | Dust removal system of straightening machine |
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| CN216574767U (en) * | 2021-12-16 | 2022-05-24 | 唐山正丰钢铁有限公司 | Movable dust removal system of hot-rolled section steel straightener |
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