CN206764573U - Intelligent dedusting system for magnalium polishing table - Google Patents
Intelligent dedusting system for magnalium polishing table Download PDFInfo
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- CN206764573U CN206764573U CN201720477742.2U CN201720477742U CN206764573U CN 206764573 U CN206764573 U CN 206764573U CN 201720477742 U CN201720477742 U CN 201720477742U CN 206764573 U CN206764573 U CN 206764573U
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Abstract
The utility model embodiment provides a kind of intelligent dedusting system for magnalium polishing table, belongs to metallic dust field of purification.The intelligent dedusting system includes：Airduct, the airduct mouth of magnalium polishing table is disposed an outwardly facing, the magnalium polishing table is used for magnalium workpiece of polishing；Blower fan, wherein in blower fan work, airduct mouth is used to export negative-pressure air-flow to absorb the caused magnalium dust during magnalium grinding workpieces；Deduster；Magnalium dust concentration detector, in the polishing soot region on magnalium workpiece for the top for being arranged on magnalium polishing table, for detecting the dust concentration of the magnalium dust in soot region of polishing；Controller, blower fan and magnalium dust concentration detector are connected to, for receiving dust concentration from magnalium dust concentration detector and the running parameter of adjustment blower fan being controlled according to dust concentration.The caused magnalium dust in the magnalium polishing table course of work is automatically purified as a result, can be realized independent of the interference of people in real time.
Description
Technical field
Metallic dust purification techniques field is the utility model is related to, more particularly to a kind of intelligence for magnalium polishing table
Dust pelletizing system.
Background technology
Metallic dust, which can make to connect dirt operating worker, suffers from pneumoconiosis, it is also possible to triggers dust explosion accident, serious threat, which, to be connect
The health and life security of dirt worker.At present, metallic dust is (especially by the polishing table institute in magnalium grinding workpieces workshop
Caused magnalium dust) it is still one of main Occupational Hazard Factors in China, and pneumoconiosis is China endangers the occupation of most serious
Disease, the injuries such as irreversible ailing, labour capacity reduces and quality of life declines are brought to patient.
Present inventor has found during the utility model is put into practice：The dust purification in magnalium grinding workpieces workshop
The existing design of system can not ensure effective dedusting to magnalium dust；Reason essentially consists in the dust purification system of existing design
It is not intelligent enough, can not be timely when dust purification system breaks down or further dust suppression be automatically taken, and nothing
Method automatically realizes the dust removing effects to magnalium dust in real time, and the dust removing effects of the cleaning system of existing design often compared with
Dependent on the interference of people, potential safety hazard of the magnalium dust to operating worker is increased.
Utility model content
The purpose of the utility model embodiment is to provide a kind of intelligent dedusting system for magnalium polishing table, is at least used for
Solve dust pelletizing system of the prior art excessively to rely on the interference of people and can not automatically purify the technology of magnalium dust in real time
Problem.
To achieve these goals, the utility model embodiment provides a kind of intelligent dedusting system for magnalium polishing table
System, including：Airduct, the airduct mouth of magnalium polishing table is disposed an outwardly facing, the magnalium polishing table is used for magnalium workpiece of polishing；Blower fan,
Wherein in the blower fan work, the airduct mouth is used to export negative-pressure air-flow to absorb during the magnalium grinding workpieces
Caused magnalium dust；Deduster, connected with the airduct, the al-mg powder being absorbed to for filtering out the airduct mouth
Dirt；Magnalium dust concentration detector, it is arranged on the polishing dust on the magnalium workpiece of the top of the magnalium polishing table
In region, for detecting the dust concentration of the magnalium dust in the polishing soot region；Controller, be connected to the blower fan and
The magnalium dust concentration detector, for receiving the dust concentration and according to described from the magnalium dust concentration detector
Dust concentration adjusts the running parameter of the blower fan to control.
Preferably, the deduster is filter cartridge dust remover.
Preferably, the intelligent dedusting system also includes：Display, the controller is connected to, for receiving and showing institute
State the running parameter of dust concentration and the blower fan.
Preferably, the controller is PLC.
Preferably, the blower fan is frequency conversion fan, and the running parameter includes the rotating speed of the frequency conversion fan, wherein, institute
Controller is stated to be used for by the detected dust concentration compared with presetting dust concentration threshold value, when detected
Dust concentration when being not less than the dust concentration threshold value, the first control signal of output is to the frequency conversion fan to be lifted
The rotating speed of frequency conversion fan is stated, and when the detected dust concentration is less than the dust concentration threshold value, output second
Control signal is to the frequency conversion fan to reduce the rotating speed of the frequency conversion fan.
Preferably, the dust concentration threshold value is 4mg/m3, and the controller is for exporting the first control letter
Number the rotating speed of the frequency conversion fan is lifted with so that the speed for the negative-pressure air-flow that the airduct mouth is exported to the frequency conversion fan
Degree is not less than 25m/s.
Preferably, the intelligent dedusting system also includes：Audible-visual annunciator, the controller is connected to, for according to from institute
State the 3rd control signal that controller is received and perform sound and light alarm action, wherein when the powder detected by the controller
When dust concentration is not less than the dust concentration threshold value, the controller is additionally operable to export the 3rd control signal.
Preferably, the intelligent dedusting system also includes：Temperature-sensitive smoke fire detector, it is arranged on inside the airduct and connects
The controller is connected to, for judging to warn to generate fire by detecting temperature and the smokescope of the airduct internal gas flow
Signal is accused, and the FIRE WARNING signal generated is transferred to the controller.
Preferably, the intelligent dedusting system also includes：Nitrogen extinguishing device, the controller is connected to, for based on
Four control signals and nitrogen medicament is sprayed into the airduct and performs fire-extinguishing operations, wherein, the controller is used for according to institute
FIRE WARNING signal is stated to export the 4th control signal.
Preferably, the intelligent dedusting system also includes：Instant fire extinguishment button, the controller is connected to, for bearing to use
The pressing operation at family simultaneously generates the FIRE WARNING signal based on the pressing operation.
Pass through above-mentioned technical proposal, detected using the magnalium dust concentration detector for the top for being arranged on magnalium polishing table
On described in the magnalium workpiece polish soot region in magnalium dust dust concentration, and due to blower fan and magnalium dust
The controller that concentration detector is connected so that controller can control the work for adjusting the blower fan to join based on dust concentration
Number.Thus, the dust concentration of the magnalium dust based on polishing region come in real time automatically adjust blower fan running parameter, automatically
Change ground by the concentration stability maintenance of magnalium dust in normal level, the health and safety made so as to the worker that avoids polishing caused by magnalium dust
Hidden danger.
The further feature and advantage of the utility model embodiment will give specifically in subsequent specific embodiment part
It is bright.
Brief description of the drawings
Accompanying drawing is that the utility model embodiment is further understood for providing, and a part for constitution instruction,
With being used to explain the utility model embodiment together with following embodiment, but do not form to the utility model embodiment
Limitation.In the accompanying drawings：
Fig. 1 is the scheme of installation of the intelligent dedusting system and magnalium polishing table using the embodiment of the utility model one；
Fig. 2 is the structural representation of the intelligent dedusting system for magnalium polishing table of the embodiment of the utility model one；
Fig. 3 is the structural representation of the intelligent dedusting system for magnalium polishing table of another embodiment of the utility model.
Description of reference numerals
The magnalium grinding workpieces platform of 101 airduct 20
The dust-collecting box of 101 airduct 201
The blower fan of 102 deduster 103
The controller of 104 magnalium dust concentration detector 105
The nitrogen extinguishing device of 106 temperature-sensitive smoke fire detector 107
108 instant fire extinguishment buttons 10,30 intelligent dedusting systems
Embodiment
The embodiment of the utility model embodiment is described in detail below in conjunction with accompanying drawing.It should be understood that
It is specific embodiment described herein is merely to illustrate and explains the utility model embodiment, to be not limited to this reality
Use new embodiment.
In description of the present utility model, it is to be understood that term " on ", " under ", " interior ", " outer ", " top ", " bottom " etc.
The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to limitation of the present utility model.
Those skilled in the art of the present technique are appreciated that the wording " comprising " used in specification of the present utility model and " bag
Containing " refer to features described above, integer, step, operation, element and/or component be present, but it is not excluded that in the presence of or addition one or
Multiple other features, integer, step, operation, element, component and/or combinations thereofs.It should be understood that when we claim element quilt
" connection " or during " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be centre
Element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.Wording used herein
"and/or" includes whole or any cell and all combinations of one or more associated list items.
The installation of the intelligent dedusting system and magnalium polishing table using the embodiment of the utility model one is illustrated that referring to Fig. 1
Schematic diagram, as shown in figure 1, airduct 101 is provided in the top of magnalium grinding workpieces platform 20, can be by being connected with airduct 101
Blower fan work to export negative pressure at airduct mouth to absorb the magnalium dust on magnalium grinding workpieces platform 20, and magnalium work
Part polishing table 20 is additionally provided with the dust-collecting box 201 below operation planar, thus, it is possible to allow larger polishing particle by
Dust-collecting box 201 is crashed into gravity, and less polishing particle can be inhaled into airduct 101；Continuation is this reality as shown in Figure 2
With the structural representation of the intelligent dedusting system for magnalium polishing table of a new embodiment, intelligent dedusting system 10 includes wind
Pipe 101, deduster 102, blower fan 103, magnalium dust concentration detector 104, controller 105.Wherein, as described above, in wind
When machine 103 works, negative-pressure air-flow is exported at airduct mouth to absorb the caused magnalium dust during magnalium grinding workpieces；
The deduster 102 is connected with airduct 101 to filter out the magnalium dust being absorbed to by the airduct mouth；The magnalium dust concentration detects
Device 104 can detect the dust concentration of magnalium dust, be arranged on the beating on the magnalium workpiece of the top of magnalium polishing table 20
Grind in soot region, specifically, on the one hand can be provided in blocking on fluffy for the top of grinding workpieces platform 20, and this block it is fluffy
On be also provided with illuminating lamp to be illuminated to polishing table, on the other hand can be to be set directly on the outer wall of airduct 101,
Two kinds of mounting means are intended to the dust that can relatively accurately measure around the worker that polished during magnalium grinding workpieces
Concentration, and should all belong to the scope of the utility model embodiment.The controller 105 is connected with the blower fan 103, and also with the aluminium
Magnesium dust concentration detector 104 connects, and the controller 105 can receive it from magnalium dust concentration detector 104 and be examined
The dust concentration that measures and the running parameter that adjustment blower fan 103 is controlled according to the dust concentration.As an example, the running parameter
It can be working status parameter of the rotary speed parameter of blower fan, blower fan etc.；Thus, it is possible to it is based on magnalium dust concentration detector 104
Detected dust concentration controls the work of blower fan 103, to realize control and adjustment to the concentration of magnalium dust, and
Implement more specifically will hereinafter continue expansion description on air-blower control.
As the further open and optimization of the utility model embodiment, the intelligent dedusting system also includes and controller
The display (not shown) of 105 connections, and the display can receive the simultaneously various parameters collected by the end of display controller 105
Information, such as the dust concentration from the magnalium dust detected by magnalium dust concentration detector 104, from blower fan 103
Running parameter.
As the further optimization and openly of the utility model embodiment, the deduster 102 can be filter cartridge dust remover.
Also, compared to bag-type dust, the dust pelletizing system for employing filter cartridge dust remover at least has the advantage that：1. filter drum type precipitator
Efficiency of dust collection be higher than sack cleaner, the discharge capacity of nuisance is greatly reduced；2. filter drum type precipitator list branch filter cylinder filters
Area is than single big several times of branch filter bag, and to same processing air quantity, filter cartridge dust remover has the advantages of small volume, steel consumption is low, and it is led
, can be long-term use of without movable member on body, filter cylinder repair and replacement are convenient, and compared to sack cleaner, it is time saving and energy saving to save money；3. filter cylinder
Formula deduster its volume, the sack cleaner for being significantly less weight than same specification, save civil engineering space and reduce investment outlay significantly；4. filter cartridge type
Dust remover resistance is small, and consumption air supply is small, and maintenance load is small and more energy efficient.
As the further optimization and openly of the utility model embodiment, the controller 105 can be PLC.
Thus on the premise of control reliability is ensured, additionally it is possible to reduce the cost of control device.It is highly preferred that the PLC 105
It can complete to be connected by shielded cable between blower fan 103 and magnalium dust concentration detector 104, thus prevent letter
Electromagnetic interference in number transmitting procedure.
As disclosure of the utility model embodiment on air-blower control one side and optimization, blower fan 103 can be frequency conversion
Blower fan, and correspondingly the running parameter of the blower fan can include the rotating speed of the frequency conversion fan, wherein controller 105 is used for institute
The dust concentration detected compared with presetting dust concentration threshold value, when detected dust concentration not less than (
Just be greater than or equal to) the dust concentration threshold value when, controller 105 can export the first control signal to frequency conversion fan to be lifted
The rotating speed of frequency conversion fan, and when detected dust concentration is less than dust concentration threshold value, the second control signal of output is extremely
Frequency conversion fan is to reduce the rotating speed of frequency conversion fan.Thus, it is possible to realize that the dust concentration of the magnalium dust above polishing table is low
When can with chain control frequency conversion fan reduce air quantity, and when dust concentration is high can with chain control frequency conversion fan improve air quantity,
With by dust concentration stability maintenance in level of security.According to GB17269-2003《The aluminum magnesium powder processes safety requlation for dust explosion protection》, operation
Place aluminium powder dust concentration should be controlled in 4mg/m3Below, it is possible to which dust concentration threshold value is set to 4mg/m3, according to the spy of aluminium dirt
Property, between 0.3 μm -50 μm, inventor of the present utility model has found airduct the granularity for aluminium dirt of polishing by many experiments
The speed for the negative-pressure air-flow that mouth is exported is not less than 25m/s, can be with effective guarantee Work places aluminium powder dust concentration stability maintenance in 2-
Between 3mg/m3, meet the related request of the safety code, and can also prevent dust from being accumulated in pipeline.As the utility model
Disclosure and optimization of the embodiment on air-blower control one side, the running parameter of the blower fan can include the working condition of the blower fan
Information (for example, running status and halted state of blower fan), correspondingly controller 105 is referred to control process above with base
Complete to be adjusted the working condition of blower fan between the running status and halted state of blower fan in dust, can be dense in dust
Blower fan is automatically stopped without manual operation when degree is less than certain certain value, has saved the electric energy that blower fan is consumed to a certain extent.
Further disclose and optimize as the utility model embodiment, the intelligent dedusting system also includes：With controller
The audible-visual annunciator (not shown) being connected, when the dust concentration detected by the controller is dense not less than the dust
When spending threshold value, the controller is additionally operable to export the 3rd control signal to the audible-visual annunciator, and the audible-visual annunciator
Sound and light alarm action can be performed according to the 3rd control signal.Thereby, it is possible to realize that the dust concentration in magnalium dust is too high
When, control in time is alarmed to warn dust pelletizing system attendant to take measures, and warning polishing safety of workers operation.
Can be set PLC above magnalium polishing table in a kind of application scenarios of the utility model embodiment
Online monitoring system, the dust concentration of dust pelletizing system, blast variable, alarm etc. may have access to by controller.PLC on-line monitorings system
System and milling tools source of the gas, the progress of deduster frequency conversion blower motor are chain, ensure that it is what milling tools used to open dust pelletizing system
Precondition.In grinding workpieces, air quantity, dust concentration can be reduced with chain frequency conversion fan when dust concentration is low above polishing table
Gao Shike improves air quantity with chain frequency conversion fan, when live dust concentration reaches high setting limit value, starts sound and light alarm, frequency conversion wind
Machine oepration at full load.So fan delivery can be adjusted according to the concentration of dust, energy consumption is reduced using variable-frequency motor.Simultaneously can be with
Solves the exceeded problem of dust concentration.
The knot of the intelligent dedusting system for magnalium polishing table of another embodiment of the utility model is illustrated that referring to Fig. 3
Structure schematic diagram, the embodiment that the Fig. 3 shows can be counted as the further optimization of embodiment illustrated in fig. 2, as shown in figure 3, should
Intelligent dedusting system 30 is also pressed compared to 10 comprising temperature-sensitive smoke fire detector 106, nitrogen extinguishing device 107 and instant fire extinguishment
Button 108.The temperature-sensitive smoke fire detector 106 is arranged on the inside of airduct 101 and is connected with controller 105, the temperature-sensitive sense pyrotechnics
Fire detector 106 can judge to believe to generate FIRE WARNING by detecting temperature and the smokescope of the internal gas flow of airduct 101
Number, and the FIRE WARNING signal generated can be transferred to controller 105；On the deterministic process, can be will be current
Gas flow temperature and smokescope are contrasted with normal airflow temperature and normal smokescope, with Current Temperatures or current smog
The FIRE WARNING signal is generated in the case of concentration abnormality in time.The controller 105 exports after FIRE WARNING signal is received
4th control signal to nitrogen extinguishing device 107, the nitrogen extinguishing device 107 can be based on the 4th control signal and to the wind
Nitrogen medicament is sprayed in pipe to perform fire-extinguishing operations, is achieved in being gone out in automatic detection fire and automatic linkage extinguishing device
Fire operation.As an example, when fire occurs for pipe protection area, signal occurs for temperature-sensitive smoke fire detector, and controller is detecting
When confirmation has fire, coordinated signals blower fan, air door and other equipment, extinguishing device can be started simultaneously after the 20-30 seconds that are delayed
Start conduit, drive cylinder, open selector valve and bottle valve with by nitrogen medicament through conveyance conduit, so as to the guarantor that fire occurs
Protect area's sprinkling nitrogen medicament.On the other hand, the instant fire extinguishment button 108 is used for and user mutual, and for bear user by
Press operation simultaneously generates the FIRE WARNING signal based on the pressing operation, is achieved in manually performing fire-extinguishing operations so that either
No temperature-sensitive smoke fire detector 106 detects FIRE WARNING calamity signal, is held as long as pressing the can of instant fire extinguishment button 108
Row fire-extinguishing function concurrently.
The optional embodiment of the utility model example is described in detail above in association with accompanying drawing, still, the utility model is implemented
Example is not limited to the detail in above-mentioned embodiment, can be right in the range of the technology design of the utility model embodiment
The technical scheme of the utility model embodiment carries out a variety of simple variants, and these simple variants belong to the utility model embodiment
Protection domain.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is implemented
Example no longer separately illustrates to various combinations of possible ways.
It will be appreciated by those skilled in the art that realize all or part of step in the method involved by above-described embodiment
It is that by program the hardware of correlation can be instructed to complete, the program storage is in a storage medium, including some instructions
To cause one (can be single-chip microcomputer, chip etc.) or processor (processor) to perform described in each embodiment of the application
The all or part of step of method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
The medium of store program codes.
In addition, can also be combined between a variety of embodiments of the utility model embodiment, as long as
, without prejudice to the thought of the utility model embodiment, it should equally be considered as the utility model embodiment disclosure of that for it.
Claims (10)
- A kind of 1. intelligent dedusting system for magnalium polishing table, it is characterised in that including：Airduct, the airduct mouth of magnalium polishing table is disposed an outwardly facing, the magnalium polishing table is used for magnalium workpiece of polishing；Blower fan, wherein in the blower fan work, the airduct mouth is used to export negative-pressure air-flow to absorb in the magnalium workpiece Caused magnalium dust in bruting process；Deduster, connected with the airduct, the magnalium dust being absorbed to for filtering out the airduct mouth；Magnalium dust concentration detector, it is arranged on the polishing dust on the magnalium workpiece of the top of the magnalium polishing table In region, for detecting the dust concentration of the magnalium dust in the polishing soot region；Controller, the blower fan and the magnalium dust concentration detector are connected to, for being detected from the magnalium dust concentration Device receives the dust concentration and adjusts the running parameter of the blower fan according to the dust concentration to control.
- 2. the intelligent dedusting system according to claim 1 for magnalium polishing table, it is characterised in that the controller is PLC.
- 3. the intelligent dedusting system according to claim 1 for magnalium polishing table, it is characterised in that also include：Display, the controller is connected to, for receiving and showing the running parameter of the dust concentration and the blower fan.
- 4. the intelligent dedusting system according to claim 1 for magnalium polishing table, it is characterised in that the deduster is Filter cartridge dust remover.
- 5. the intelligent dedusting system according to claim 1 for magnalium polishing table, it is characterised in that the blower fan is change Frequency blower fan, the running parameter include the rotating speed of the frequency conversion fan,Wherein, the controller is used to be compared the detected dust concentration and presetting dust concentration threshold value Compared with, when the detected dust concentration is not less than the dust concentration threshold value, the first control signal of output to the change Frequency blower fan to lift the rotating speed of the frequency conversion fan,And when the detected dust concentration is less than the dust concentration threshold value, the second control signal of output is to described Frequency conversion fan is to reduce the rotating speed of the frequency conversion fan.
- 6. the intelligent dedusting system according to claim 5 for magnalium polishing table, it is characterised in that the dust concentration Threshold value is 4mg/m3, and the controller is for exporting first control signal to the frequency conversion fan to lift the change The rotating speed of frequency blower fan is to cause the speed of negative-pressure air-flow that the airduct mouth is exported to be not less than 25m/s.
- 7. the intelligent dedusting system according to claim 5 for magnalium polishing table, it is characterised in that also include：Audible-visual annunciator, the controller is connected to, for being performed according to the 3rd control signal received from the controller Sound and light alarm acts；Wherein, when the dust concentration detected by the controller is not less than the dust concentration threshold value, the control Device is additionally operable to export the 3rd control signal.
- 8. the intelligent dedusting system according to claim 1 for magnalium polishing table, it is characterised in that also include：Temperature-sensitive smoke fire detector, it is arranged on inside the airduct and is connected to the controller, for by described in detection The temperature and smokescope of airduct internal gas flow judge to generate FIRE WARNING signal, and the FIRE WARNING that will be generated Signal is transferred to the controller.
- 9. the intelligent dedusting system according to claim 8 for magnalium polishing table, it is characterised in that also include：Nitrogen extinguishing device, the controller is connected to, for spraying nitrogen into the airduct based on the 4th control signal Medicament performs fire-extinguishing operations；Wherein, the controller is used to export the 4th control signal according to the FIRE WARNING signal.
- 10. the intelligent dedusting system according to claim 9 for magnalium polishing table, it is characterised in that also include：Instant fire extinguishment button, the controller is connected to, for bearing the pressing operation of user and being given birth to based on the pressing operation Into the FIRE WARNING signal.
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| CN201720477742.2U CN206764573U (en) | 2017-05-02 | 2017-05-02 | Intelligent dedusting system for magnalium polishing table |
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| CN201720477742.2U CN206764573U (en) | 2017-05-02 | 2017-05-02 | Intelligent dedusting system for magnalium polishing table |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444785A (en) * | 2018-03-22 | 2018-08-24 | 王聪 | It is used to prepare the automatic grinding device of chloride ion-containing powder |
| CN108907730A (en) * | 2018-07-05 | 2018-11-30 | 泰州市申工不锈钢制品有限公司 | A kind of round-bar pass truncation grinding attachment |
| CN114682378A (en) * | 2020-12-29 | 2022-07-01 | 陕西青朗万城环保科技有限公司 | Low-wind-resistance dust removal method and control system thereof |
-
2017
- 2017-05-02 CN CN201720477742.2U patent/CN206764573U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444785A (en) * | 2018-03-22 | 2018-08-24 | 王聪 | It is used to prepare the automatic grinding device of chloride ion-containing powder |
| CN108444785B (en) * | 2018-03-22 | 2024-02-13 | 王聪 | Automatic grinding device for preparing powder containing chloride ions |
| CN108907730A (en) * | 2018-07-05 | 2018-11-30 | 泰州市申工不锈钢制品有限公司 | A kind of round-bar pass truncation grinding attachment |
| CN114682378A (en) * | 2020-12-29 | 2022-07-01 | 陕西青朗万城环保科技有限公司 | Low-wind-resistance dust removal method and control system thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wei Inventor after: Xu Xiaoguang Inventor after: Yin Peiyuan Inventor after: Li An Inventor after: Fang Xiaobin Inventor before: Xu Xiaoguang Inventor before: Zhang Wei Inventor before: Yin Peiyuan Inventor before: Li An Inventor before: Fang Xiaobin |