CN114654297A - Scrap steel dust removal control method and device - Google Patents
Scrap steel dust removal control method and device Download PDFInfo
- Publication number
- CN114654297A CN114654297A CN202210345771.9A CN202210345771A CN114654297A CN 114654297 A CN114654297 A CN 114654297A CN 202210345771 A CN202210345771 A CN 202210345771A CN 114654297 A CN114654297 A CN 114654297A
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- dust removal
- scrap steel
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- scrap
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- 239000000428 dust Substances 0.000 title claims abstract description 106
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 84
- 239000010959 steel Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims description 36
- 230000003068 static effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
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- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a scrap steel dust removal control method and a scrap steel dust removal control device, wherein the method comprises the following steps: and receiving the working state of each working position, and adjusting the rotating speed state of the fan according to the adjusting condition by taking the working state of each working position as the basis, wherein the rotating speed state of the fan can be switched between any two states. The device is used for realizing the method. The invention can effectively solve the problem of serious energy waste of the fan in the existing scrap steel dust removal device.
Description
Technical Field
The invention relates to the field of dust removal of steel plants, in particular to a method and a device for controlling dust removal of scrap steel.
Background
The raw materials required by the production of the steelmaking converter mainly comprise molten iron, alloy, flux, scrap steel and the like, the scrap steel is preferentially added during smelting, then the molten iron is added, and the molten steel is produced through blowing and other processes. The converter scrap steel is transported to a scrap steel storage site through an external vehicle, is lifted into a scrap steel vehicle through a travelling crane, is transported to a feeding span through the scrap steel vehicle, and is lifted to the converter through the travelling crane. Because the scrap steel contains a large amount of dust, for guaranteeing site environment health, the scrap steel dust pelletizing system has been increased, the scrap steel dust removal collection station has been established, and the scrap steel cutting also can produce a large amount of smoke and dust with well package tumble in the operation process simultaneously, and three operation position is very close moreover, so tumble the punishment at the scrap steel cutting and well package and establish the dust excluding hood respectively, connect three work position, form the situation of a dust exhausting fan of three work position sharing. There are problems and disadvantages at present:
1) the dust removing equipment is always in a high-speed state, only sucks wild wind under the condition of no smoke dust, and does not perform dust removing operation.
2) The dust removing equipment is always in a high-speed state, the equipment is consumed, the service life of the equipment is influenced to a certain extent, and energy is wasted seriously.
3) The newly developed automatic speed regulation mode of the fan has three forms of high, medium and low due to the lack of an emergency treatment system, and once the fan runs at a low speed, the fan cannot respond immediately to convert the fan into the high-speed mode once the phenomenon of large smoke generation and dust emission occurs.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a method and a device for controlling the dust removal of scrap steel, which aim to solve the problem of serious energy waste of a fan in the conventional scrap steel dust removal device.
In order to achieve the above objects and other related objects, the present invention provides a scrap steel dust removal control method, comprising the steps of:
receiving the working state of each working position,
and adjusting the rotating speed state of the fan according to the adjusting condition by taking the working state of each working position as a basis, wherein the rotating speed state of the fan can be switched between any two states.
In an embodiment of the present invention, the work station includes: a scrap steel collecting position, a tundish tipping position and a scrap steel cutting position.
In one embodiment of the present invention, the control conditions include: when the scrap steel collecting position is in a working state, adjusting the fan to be in a highest rotating speed state; when the scrap steel collecting position is in an out-of-operation state, and only one of the tundish tipping position and the scrap steel cutting position is in an operating state, adjusting the fan to be in a low-speed rotating speed state; when the scrap steel collecting position is in an out-of-operation state, and the tundish tipping position and the scrap steel cutting position are in working states, adjusting the fan to be in a medium-speed rotating speed state; when the scrap steel collecting position, the tundish tipping position and the scrap steel cutting position are in an inoperative state, the fan is adjusted to be in a static state.
The invention also provides a scrap steel dust removal control device, which is used for realizing the scrap steel dust removal control method and comprises the following steps:
the acquisition unit is arranged on the corresponding working position and used for acquiring the working state of each working position;
the dust removal pipeline branches are arranged on the corresponding working positions;
the dust removal pipeline main path is communicated with the dust removal pipeline branch path;
the dust removal fan is connected with the main pipeline of the dust removal pipeline;
and the controller is respectively electrically connected with the acquisition unit and the dust removal fan, adjusts the rotating speed state of the fan according to the adjustment condition by taking the working state of each working position as a basis, and can directly adjust the rotating speed state of the fan from a static state or other states to a highest state.
In one embodiment of the present invention, the acquisition unit includes: locate vehicle business turn over detector on the scrap steel collection position, locate the dustproof door detector on the well package position of tumbling to and locate the dust cover detector of scrap steel cutting position.
In one embodiment of the present invention, the method further includes: the vehicle in-out detector is an infrared detection switch.
In an embodiment of the present invention, the dust-proof door detector includes at least one first limit switch, the first limit switch is mounted on a first frame, the dust-proof door is mounted on the first frame, and the first limit switch can be activated after the dust-proof door is closed in place.
In an embodiment of the invention, a guide rail is arranged on the scrap steel cutting position, a plurality of stations are arranged on the guide rail, a dust-proof pipeline branch inlet is arranged at each station, and a dust-proof cover detector is arranged at each station.
In an embodiment of the invention, a plurality of dust covers are arranged on the scrap steel cutting position, the number of the dust covers is less than or equal to that of the stations, and outlets of the dust covers are matched with inlets of the dust removal pipeline branches.
In an embodiment of the invention, the scrap steel cutting position is provided with five stations and two dust covers.
The scrap steel dust removal control method can adjust the rotating speed state of the fan according to the working state of each working position, and can control the fan to directly jump to the highest state from a static state or other states. Thereby can guarantee to effectively solve the problem that there is serious energy waste in fan in current scrap steel dust collector.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a scrap dust removal control method according to the present invention;
FIG. 2 is a schematic structural view of a scrap collecting station according to the present invention;
FIG. 3 is a schematic diagram of the tipping position of the ladle in accordance with the present invention;
FIG. 4 is a schematic structural view of a scrap cutting station according to the present invention;
FIG. 5 is a block diagram showing the construction of the scrap dust removal control apparatus according to the present invention.
Description of the element reference numerals
100. A scrap steel collection station; 110. a vehicle entrance and exit detector; 200. tipping the tundish; 210. a first frame; 220. a dust-proof door; 230. a dust gate detector; 300. a scrap steel cutting station; 310. a guide rail; 320. a dust cover detector; 400. a dust-proof pipeline branch; 500. a dust-proof pipeline branch inlet; 600. a collection unit; 700. a controller; 800. a fan.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples herein is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description only, and are not intended to limit the scope of the invention, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.
Referring to fig. 1 to 5, the present invention provides a scrap steel dust removal control method, including the steps of:
each working position is provided with a corresponding acquisition unit 600, and the acquisition unit 600 is used for acquiring whether the corresponding working position is in a working state. The working positions comprise a scrap steel collecting position 100, a tundish tipping position 200 and a scrap steel cutting position 300, and the working state refers to that the working positions are in a working state.
The scrap collecting station 100 is used for loading scrap onto a vehicle, and is also a working station with the largest dust generation degree, and since the transport vehicle is started immediately after loading, the operation state of the scrap collecting station 100 is synchronous with the transport vehicle stopped on the working station, so that the transport vehicle stopped on the working station can be regarded as the working state of the scrap collecting station 100. In an embodiment of the present invention, a vehicle entrance/exit detector 110 is disposed at the scrap collecting position 100 to detect whether a vehicle is present at the scrap collecting position 100, thereby detecting whether the scrap collecting position 100 is in an operating state.
The tundish tipping position 200 is a working position for tipping the tundish, the working position is provided with a first frame 210, the first frame 210 is provided with a dustproof door 220, and when the tundish is tipped, the dustproof door 220 needs to be closed, namely, the working state of the tundish tipping position 200 is synchronous with the closing state of the dustproof door 220, so that the closing of the dustproof door 220 on the tundish tipping position 200 can be regarded as the working state of the tundish tipping position 200. In an embodiment of the present invention, a dust-proof door detector 230 is disposed on the tundish tipping position 200, the dust-proof door detector 230 includes at least one first limit switch, the first limit switch is mounted on the first frame 210, the dust-proof door is mounted on the first frame 210, and the first limit switch can be activated after the dust-proof door is closed in place.
The scrap steel cutting position 300 is used for changing large scrap steel or steel slag into small pieces, a plurality of stations are arranged on the scrap steel cutting position 300, and at least one station is in a working state and can be regarded as that the scrap steel cutting position 300 is in the working state. Be provided with guide rail 310 on the scrap steel cutting position 300, be provided with a plurality of station on the guide rail 310, each station punishment is provided with dustproof pipeline branch road import 500 respectively, be provided with a plurality of dust cover 330 on the scrap steel cutting position 300, the quantity of dust cover 330 is less than or equal to the quantity of station, for example be provided with five stations, two dust covers on the scrap steel cutting position 300. The outlet of the dust cover 330 is matched with the inlet 500 of the dust removal pipeline branch. When working on a station, the worker moves the dust cover to the dust-proof duct branch inlet on the station. Therefore, the working position can be regarded as being in a working state when the dust cover is always positioned at the inlet of the branch of the station dust-proof pipeline. A second limit switch is arranged at the inlet 500 of the dust-proof pipeline branch on the guide rail 310, the dust cover 330 is matched with the inlet 500 of the dust-proof pipeline branch and then triggers the second limit switch, a time delay part is arranged on the second limit switch, and when the trigger state of the second limit switch is maintained to exceed the set threshold value of the time delay part, a detection result is sent to the controller 700. The set threshold may be 30S.
The working states collected by the collection units 600 corresponding to the respective working positions are received. The collecting unit 600 sends the collected information to the controller 700, the controller 700 adjusts the rotation speed state of the fan 800 according to the adjusting condition based on the working state of each working position, the rotation speed state of the fan 800 may be switched between any two states, for example, the rotation speed state of the fan 800 is directly adjusted to the highest rotation speed state from a static state or other states, or the controller 700 may control the rotation speed state of the fan 800 to be adjusted to other states from the highest rotation speed state. The rotational speed status of the fan 800 includes but is not limited to: a stationary state, a low speed state, a medium speed state, and a high speed state. The highest rotating speed state is a high-speed state.
In one embodiment of the present invention, the control conditions include: when the scrap steel collecting position 100 is in a working state, adjusting the fan 800 to a highest rotating speed state; since the scrap collecting station 100 is the working station that generates the largest amount of dust, the fan 800 needs to be adjusted to the highest rotation speed state whenever the scrap collecting station 100 is in the working state, regardless of whether the remaining two working stations are in the working state. When the scrap steel collection position 100 is in an inoperative state, and only one of the tundish tipping position 200 and the scrap steel cutting position 300 is in an operative state, the fan 800 is adjusted to a low-speed rotation state. When the scrap steel collecting position 100 is in an out-of-operation state, and the tundish tipping position 200 and the scrap steel cutting position 300 are both in an operating state, adjusting the fan 800 to a medium-speed rotating speed state; when the scrap steel collection position 100, the tundish tipping position 200 and the scrap steel cutting position 300 are in a non-working state, the fan 800 is adjusted to be in a static state.
The method can realize the one-key high-speed function, if the smoke dust overflows at the low and medium speed stages, the valve can be quickly opened, the fan 800 is started at a high speed, various emergency situations are effectively treated, and finally all the smoke dust is prevented from overflowing to the outside of a factory building. The starting priority setting of the fan 800 is realized, namely no matter a plurality of working positions are started on site, as long as the scrap steel point begins to operate, the whole dust removal system directly jumps to the highest speed state. The method can automatically adjust the rotating speed of the fan 800 and the opening of the dust removal valve according to the actual working conditions of each working position, effectively saves the power consumption, and conservatively estimates the power consumption to be saved by 4000 degrees every day. And can realize that the gear is comprehensive, each operation condition of on-the-spot dust removal work position is fully considered, accomplish that scrap steel collects the position, the well package is tumbled the position, three work position operating modes of scrap steel cutting position combine together, under the condition of guaranteeing dust removal effect, the at utmost reduces energy consumption.
Referring to fig. 2 to 5, the present invention further provides a scrap dust removal control apparatus, for implementing the scrap dust removal control method, including: the system comprises an acquisition unit 600, a dust removal pipeline branch 400, a dust removal pipeline main road, a dust removal fan 800 and a controller 700, wherein the acquisition unit 600 is arranged on a corresponding working position and is used for acquiring the working state of each working position; the dust removal pipeline branches 400 are arranged on corresponding working positions; a dust removal duct main path (not shown) communicates with the dust removal duct branch; the dust removal fan 800 is connected with the main dust removal pipeline; the controller 700 is electrically connected to the collection unit 600 and the dust removal fan 800, and adjusts the rotation speed of the fan 800 according to the adjustment condition based on the working state of each working position, and the controller 700 can directly adjust the rotation speed of the fan 800 from a static state or other states to a highest state.
In one embodiment of the present invention, the acquisition unit 600 includes: a vehicle entrance and exit detector 110 provided on the scrap collecting position 100, a dust door detector 230 provided on the tundish tipping position 200, and a dust cover detector 320 provided on the scrap cutting position 300.
The scrap steel collecting position 100 and the tundish tipping position are respectively provided with a dust inlet, the scrap steel cutting position 300 is provided with a dustproof pipeline branch inlet 500, the dust inlet is connected with a corresponding dustproof pipeline branch, the dustproof pipeline branch flows into a dustproof pipeline main path, and the dustproof pipeline main path is connected with the fan 800.
In one embodiment of the present invention, the method further includes: the vehicle entrance and exit detector 110 is an infrared detection switch.
In an embodiment of the present invention, the dust-proof door detector 230 includes at least one first limit switch, the first limit switch is installed on a first frame, the dust-proof door is installed on the first frame, and the first limit switch can be activated after the dust-proof door is closed in place.
In an embodiment of the present invention, a guide rail 310 is disposed on the scrap cutting station 300, a plurality of stations are disposed on the guide rail 310, a dustproof pipeline branch inlet 500 is disposed at each station, a valve is disposed on a branch pipeline communicated with each dustproof pipeline branch inlet 500, the valves are controlled by a controller 700, the valves are opened and closed, and a dustproof cover detector 320 is disposed at each station.
In an embodiment of the present invention, the scrap cutting station 300 is provided with a plurality of dust covers, the number of the dust covers is less than or equal to the number of the stations, and outlets of the dust covers are matched with inlets of the dust removal pipeline branches.
In an embodiment of the present invention, the scrap cutting station 300 is provided with five stations and two dust covers.
The scrap steel dust removal control method can adjust the rotating speed state of the fan 800 according to the working state of each working position, and can control the fan 800 to directly jump to the highest state from a static state or other states. Thereby can guarantee to effectively solve fan 800 among the current scrap steel dust collector and have the extravagant problem of serious energy.
Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A scrap steel dust removal control method is characterized by comprising the following steps:
receiving the working state of each working position,
and adjusting the rotating speed state of the fan according to the adjusting condition by taking the working state of each working position as a basis, wherein the rotating speed state of the fan can be switched between any two states.
2. The scrap steel dust removal control method according to claim 1, wherein the work station comprises: a scrap steel collecting position, a tundish tipping position and a scrap steel cutting position.
3. The scrap dust removal control method according to claim 2, wherein the control conditions include: when the scrap steel collecting position is in a working state, adjusting the fan to be in a highest rotating speed state; when the scrap steel collecting position is in an out-of-operation state, and only one of the tundish tipping position and the scrap steel cutting position is in an operating state, adjusting the fan to be in a low-speed rotating speed state; when the scrap steel collecting position is in an out-of-operation state, and the tundish tipping position and the scrap steel cutting position are in working states, adjusting the fan to be in a medium-speed rotating speed state; when the scrap steel collecting position, the tundish tipping position and the scrap steel cutting position are in an inoperative state, the fan is adjusted to be in a static state.
4. A scrap dust removal control apparatus for realizing the scrap dust removal control method according to any one of claims 1 to 3, comprising:
the acquisition units are arranged on the corresponding working positions and are used for acquiring the working states of the working positions;
the dust removal pipeline branches are arranged on the corresponding working positions;
the dust removal pipeline main path is communicated with the dust removal pipeline branch;
the dust removal fan is connected with the main pipeline of the dust removal pipeline;
and the controller is respectively electrically connected with the acquisition unit and the dust removal fan, adjusts the rotating speed state of the fan according to the adjustment condition by taking the working state of each working position as a basis, and can directly adjust the rotating speed state of the fan from a static state or other states to a highest state.
5. The scrap steel dust removal control apparatus according to claim 1, wherein the collection unit comprises: locate vehicle business turn over detector on the scrap steel collection position, locate the dustproof door detector on the well package position of tumbling to and locate the dust cover detector of scrap steel cutting position.
6. The scrap dust removal control apparatus according to claim 2, further comprising: the vehicle in-out detector is an infrared detection switch.
7. The scrap steel dust removal control device according to claim 1, wherein the dust door detector comprises at least one first limit switch, the first limit switch is mounted on a first frame, the dust door is mounted on the first frame, and the first limit switch can be actuated when the dust door is closed in place.
8. The scrap dust removal control device according to claim 2, wherein a guide rail is arranged on the scrap cutting position, a plurality of stations are arranged on the guide rail, a dust-proof pipeline branch inlet is arranged at each station, and a dust-proof cover detector is arranged at each station.
9. The scrap steel dust removal control device according to claim 8, wherein a plurality of dust covers are arranged on the scrap steel cutting station, the number of the dust covers is less than or equal to that of the stations, and outlets of the dust covers are matched with inlets of the dust removal pipeline branches.
10. The scrap dust removal control device according to claim 9, wherein the scrap cutting station is provided with five stations and two dust covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345771.9A CN114654297A (en) | 2022-03-31 | 2022-03-31 | Scrap steel dust removal control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345771.9A CN114654297A (en) | 2022-03-31 | 2022-03-31 | Scrap steel dust removal control method and device |
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| CN114654297A true CN114654297A (en) | 2022-06-24 |
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| CN202210345771.9A Pending CN114654297A (en) | 2022-03-31 | 2022-03-31 | Scrap steel dust removal control method and device |
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| CN201644480U (en) * | 2010-03-17 | 2010-11-24 | 中船第九设计研究院工程有限公司 | Multi-station welding fume purifying system |
| CN102528339A (en) * | 2010-12-25 | 2012-07-04 | 芜湖奇瑞装备有限责任公司 | Ventilating system for adjusting welding station |
| CN108381401A (en) * | 2018-04-17 | 2018-08-10 | 安徽东平木业股份有限公司 | A kind of workshop dust pelletizing system and dust removal method |
| CN208261501U (en) * | 2018-04-18 | 2018-12-21 | 安阳市九州净化设备有限公司 | A kind of multistation intelligent dedusting system |
| CN109648388A (en) * | 2018-12-24 | 2019-04-19 | 中山市富茂密封科技有限公司 | A kind of cutting machining scrap energy conservation collection system |
| CN209067530U (en) * | 2018-11-13 | 2019-07-05 | 四川德胜集团钒钛有限公司 | A kind of dedusting fan frequency-changing control system |
-
2022
- 2022-03-31 CN CN202210345771.9A patent/CN114654297A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201644480U (en) * | 2010-03-17 | 2010-11-24 | 中船第九设计研究院工程有限公司 | Multi-station welding fume purifying system |
| CN102528339A (en) * | 2010-12-25 | 2012-07-04 | 芜湖奇瑞装备有限责任公司 | Ventilating system for adjusting welding station |
| CN108381401A (en) * | 2018-04-17 | 2018-08-10 | 安徽东平木业股份有限公司 | A kind of workshop dust pelletizing system and dust removal method |
| CN208261501U (en) * | 2018-04-18 | 2018-12-21 | 安阳市九州净化设备有限公司 | A kind of multistation intelligent dedusting system |
| CN209067530U (en) * | 2018-11-13 | 2019-07-05 | 四川德胜集团钒钛有限公司 | A kind of dedusting fan frequency-changing control system |
| CN109648388A (en) * | 2018-12-24 | 2019-04-19 | 中山市富茂密封科技有限公司 | A kind of cutting machining scrap energy conservation collection system |
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