CN105538169B - System is protected in the dust explosion protection of ball blast abrasive blast equipment - Google Patents
System is protected in the dust explosion protection of ball blast abrasive blast equipment Download PDFInfo
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- CN105538169B CN105538169B CN201610029936.6A CN201610029936A CN105538169B CN 105538169 B CN105538169 B CN 105538169B CN 201610029936 A CN201610029936 A CN 201610029936A CN 105538169 B CN105538169 B CN 105538169B
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- ball
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- explosion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The embodiment of the invention discloses the dust explosion protection of ball blast abrasive blast equipment to protect system, for solving the problems, such as that caused dust discharges in surface of metal product ball blast sandblasting process and dust flies away and occurred spark and cause to burn and dust explosion risk easily occurs.Ball blast abrasive blast equipment dust explosion protection protection system in the embodiment of the present invention, including：Ball blast abrasive blast equipment, ball sand conveying device, ball sand warehouse, ball sand separating apparatus, exhaust system, dust pelletizing system, spark detection device, fire-smothering gear, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature, extinguishant jetting device, interlocking protective device and interlocking protective device control system.
Description
Technical field
The present invention relates to surface of metal product processing field, more particularly to ball blast abrasive blast equipment dust explosion protection protection system
System.
Background technology
After surface of metal product ball blast blasting treatment, in the process of metal surface produce dust release and dust fly away,
There is spark and cause burning, cause the danger that dust explosion occurs.
Therefore, finding a kind of ball blast abrasive blast equipment dust explosion protection protection system turns into those skilled in the art's urgent need to resolve
Problem.
The content of the invention
The embodiment of the invention discloses the dust explosion protection of ball blast abrasive blast equipment to protect system, for solving surface of metal product throwing
Caused dust release and dust fly away and occurred spark and cause the easy generation dust of burning quick-fried in ball sandblasting process
The problem of fried dangerous.
System is protected in ball blast abrasive blast equipment dust explosion protection provided in an embodiment of the present invention, including：
Ball blast abrasive blast equipment, ball sand conveying device, ball sand warehouse, ball sand separating apparatus, exhaust system, dust pelletizing system, spark
Detection device, fire-smothering gear, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature, extinguishant jetting device,
Interlocking protective device and interlocking protective device control system；
One end of the ball sand conveying device is connected with the outlet of the ball blast abrasive blast equipment, the other end and the ball sand warehouse
Entrance connection；
The outlet of the ball sand warehouse is connected with the entrance of the ball blast abrasive blast equipment；
The exhaust system includes blower fan and the air main and discharge pipe installed in the blower fan both ends, the main wind
One end of pipe is connected with blower fan, and the other end is connected with the ball sand separating apparatus；
The dust pelletizing system includes deduster, and the deduster is arranged on the air main；
The outlet of the ball blast abrasive blast equipment is connected by pipeline with the entrance of the ball sand separating apparatus；
Before the detecting location of the spark detection device is arranged on the junction of the ball sand conveying device and ball sand warehouse
End, inside ball sand separating apparatus, in the deduster of the air inlet of dust pelletizing system and/or dust pelletizing system at ash dropping hopper；
The fire extinguishing spray site of the fire-smothering gear is arranged on internal, the described dust pelletizing system of the ball blast abrasive blast equipment
At air inlet and ash dropping hopper；
The spray site of Sui's powder jetting device is arranged on the air inlet of the dust pelletizing system；
The explosion-protection equipment is arranged on the front end of the ball sand conveying device and the junction of the ball sand warehouse, the air draft
At the air main of system and dust pelletizing system and the deduster top；
The monitoring probe of the device for detecting temperature installed in the ball blast abrasive blast equipment, at the ball sand separating apparatus,
At the air outlet of the deduster of the dust pelletizing system and at ash dropping hopper；
The jet blower of the extinguishant jetting device be arranged on the ball blast abrasive blast equipment in top, the exhaust system
With the top in the air main and deduster of dust pelletizing system；
Interlocking protective device communicates to connect with the interlocking protective device control system, is controlled by the interlocking protective device
System controls, the spark detection device, fire-smothering gear, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature
Electrically connected respectively with the interlocking protective device with the extinguishant jetting device, realized and interlocked by the interlocking protective device
Start.
Alternatively, the ball sand conveying device includes：Bucket lifting device, helix transporting device, scraping plate conveying device or
Person's Pneumatic conveyer.
Alternatively, the fire-smothering gear includes：Contain the high-pressure bottle of fire-suppressant gas, fire-suppressant gas conveyance conduit,
Air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start control interlocking protective device.
Alternatively, Sui's powder jetting device includes：Contain the container of Sui powder, Sui's powder conveying pipeline,
Pipeline valve and powder jetting pressure-display device, Sui's powder spray nozzle and Sui's powder jetting device start control dress
Put.
Alternatively, the explosion-protection equipment includes explosion-proof explosion venting device and explosion isolation device.
Alternatively, the extinguishant jetting device includes：Contain the high-pressure bottle, extinguishing chemical conveyance conduit, pipe of extinguishing chemical
Road valve and pressure-display device, extinguishing chemical jet blower and extinguishant jetting device start control interlocking protective device.
Alternatively, in addition to anti-static grounding protection device, described anti-static grounding protection device one end are grounded, the other end
It is connected respectively with the ball sand conveying device, the ball sand separating apparatus, the deduster and the blower fan.
Alternatively, the deduster is pulse backblowing sack cleaner；
The pulse backblowing sack cleaner is provided with radiused corner, and uses fire-resistant antistatic material filter bag.
Alternatively, the inlet and outlet of the pulse backblowing sack cleaner are provided with blast pressure difference monitoring alarm.
Alternatively, the bottom of the pulse backblowing sack cleaner is provided with lock gas ash-discharging device.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In the embodiment of the present invention, the ball blast abrasive blast equipment dust explosion protection protection system passes through spark detection device, gas
Extinguishing device, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature, extinguishant jetting device, interlocking protective device and
Interlocking fit between interlocking protective device control system, the dust explosion protection protection of ball blast blasting treatment process is realized, reduces gold
Caused dust release and dust fly away and occurred spark and cause burning to be held in metal products shotblasting sandblasting process
The risk of dust explosion risk easily occurs.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation that system is protected in the dust explosion protection of ball blast abrasive blast equipment in the embodiment of the present invention.
Embodiment
The embodiment of the invention discloses the dust explosion protection of ball blast abrasive blast equipment to protect system, for solving surface of metal product throwing
Caused dust release and dust fly away and occurred spark and cause the easy generation dust of burning quick-fried in ball sandblasting process
The problem of fried dangerous.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 1, ball blast abrasive blast equipment dust explosion protection protection system includes in the embodiment of the present invention：Ball blast abrasive blast equipment
1st, ball sand conveying device 2, ball sand warehouse 3, ball sand separating apparatus (4,17) and the exhaust system 6 associated with dust explosion protection and
Dust pelletizing system 7, spark detection device 8, fire-smothering gear 9, Sui's powder jetting device 16, explosion-protection equipment (10,11), temperature
Monitoring device 12, extinguishant jetting device 13, interlocking protective device and interlocking protective device control system.
As shown in figure 1, ball blast abrasive blast equipment 1 enters every trade ball blast sandblasting processing to the roughness of surface of metal product, use
Ball (sand) material crossed enters ball sand warehouse 3, recycling circulation ball blast sandblasting through ball sand conveying device 2；Workpiece surface ball blast sprays
Thin ball (sand) material of dust that sand gets off and part then continues to separate into ball sand separating apparatus (4,17), thin ball (sand) expect to continue into
Enter the reuse of ball sand warehouse 3, and caused dust in surface treatment process, dust is sucked into the airduct of exhaust system 6 through exhaust system 6,
Dust is delivered to dust pelletizing system 7 by airduct and filters settlement treatment, the dust of sedimentation unloads ash by locking gas and enters to collect, clean gas
Discharged in outdoor eminence, the power of whole course of conveying is by the blower fan offer located at dust pelletizing system back segment.
This ball blast abrasive blast equipment dust explosion protection protection system prevents that the technical approach of dust explosion from set in ball blast sandblasting
In standby 1 system, by setting dust explosion protection associated exhaust system 6 and dust pelletizing system 7, spark detection device 8, extinction using gas
Device 9, Sui's powder jetting device 16, explosion-protection equipment (10,11), device for detecting temperature 12, extinguishant jetting device 13, interlocking
Protection device and interlocking protective device control system, safe prediction, early warning and the interlock protection of dust explosion protection system are realized, reduced
The danger of dust explosion.
This ball blast abrasive blast equipment 1 is to enter every trade ball blast sandblasting processing to the roughness of surface of metal product, using high pressure
The effect of gas, mechanical force hits pellet, the injection of sand material on the surface for being processed product, carries shaggy metallic article
Rise surface smoothness and obtain corresponding face table hardness；In surface of metal product ball blast sandblasting process produce dust release and
Dust flies away and occurred spark and causes burning, the danger for causing that dust explosion occurs be present；
The ball sand conveying device 2, including：Bucket lifting device, helix transporting device, scraping plate conveying device or pneumatic transporting
Device is sent, the conveying that the ball sand conveying device is used for pellet, sand material that ball blast abrasive blast equipment uses (includes the pellet of circulation
The conveying of thing, sand material)；
The ball sand warehouse 3, the pellet used for ball blast abrasive blast equipment, the bin stock of sand material；
The ball sand separating apparatus (4,17), pellet, the sand material of recycling are separated for ball blast abrasive blast equipment
Device；
The exhaust system 6 and dust pelletizing system 7 absorb dust using negative pressure filtration.Specifically, the exhaust system 6 includes wind
Machine, and air main and discharge pipe installed in the blower fan both ends, one end of the air main are connected with blower fan, the other end and the ball
Sand separating apparatus (4,17) connects.During blower fan work, air main is in negative pressure state.The dust pelletizing system includes deduster, and this is removed
Dirt device is arranged on the air main.
The spark detection device 8, including：Spark detection and sensor-based system, early warning and warning device and spark detection dress
The interlocking protective system started with fire-smothering gear control is put, the detecting location of the spark detection device 8 is arranged on the ball sand
The front end of the junction of conveying device 2 and ball sand warehouse, ball sand separating apparatus (4,17) be internal, dust pelletizing system 7 air inlet and/
Or in the deduster of dust pelletizing system 7 at ash dropping hopper, spark detection device 8 is used to detect in ball blast sandblasting process spark occur
And cause burning；
The fire-smothering gear 9, including：Contain high-pressure bottle, fire-suppressant gas conveyance conduit, air valve and the gas of fire-suppressant gas
Display device, fire extinguishing jet device and fire-smothering gear is pressed to start control interlocking protective device, the fire-smothering gear 9
Fire extinguishing spray site be arranged on inside ball blast abrasive blast equipment 1, at the air inlet of the dust pelletizing system 7 and ash dropping hopper, extinction using gas
Device 9 is used for when the spark detection device 8 detection spark occurs and causes burning, spark detection device 8 and the extinction using gas
The control interlocking protective device and system of device 9 start, fire extinguishing jet device injection release high-pressure extinction gas extinguish spark and
Caused burning；
Sui's powder jetting device 16, including：Contain container, Sui's powder conveying pipeline, the pipeline valve of Sui's powder
Door and powder jetting pressure-display device, Sui's powder spray nozzle and Sui's powder jetting device start control device, the Sui
Change the air inlet that the spray site of powder jetting device 16 is arranged on the dust pelletizing system 7, for by Sui's powder jetting to deduster
Inside, the dust inside deduster is set to lose combustion characteristics；
The explosion-protection equipment (10,11) is arranged on the front end of the ball sand conveying device 2 and the junction of ball sand warehouse 3, air draft system
System 6 and dust pelletizing system 7 air main at and deduster top；The explosion-proof explosion venting device 10 is used to not yet reach in blast pressure
Before the ball sand conveying device corresponds to the antidetonation strength of installation site, explosion product is discharged using explosion-proof explosion venting device 10, makes ball
Sand conveying device 2, the air main of exhaust system 6 and dust pelletizing system 7 and deduster will not be destroyed；The explosion-proof explosion venting device 10 is used
It is located in factory building in the venting of dust explosion mouth of explosion-proof explosion venting device, venting of dust explosion mouth is towards the explosion-proof venting of dust explosion dress of nonflame used by being related to danger zone
Put；The explosion isolation device 11 is used for the flame for exhaust system 6 and the air main and deduster of dust pelletizing system 7 occur and blast wave resistance
Break in certain scope；The explosion-protection equipment (10,11) is additionally operable to the explosion-proof explosion venting device of explosion-proof explosion venting device, nonflame and flame proof dress
Put when sending enabling signal and induced signal, start the control interlock protection of the fire-smothering gear, extinguishant jetting device；
The device for detecting temperature 12 monitoring probe installed in the ball blast abrasive blast equipment 1, ball sand separating apparatus (4,17) place,
At the air outlet of the deduster of dust pelletizing system 7 and at ash dropping hopper, the device for detecting temperature 12 is used to monitor the powder dust pelletizing system temperature
Degree and more than safety limit alarm, there is spark and cause ignition temperature sense alarm, the device for detecting temperature 12 with should
Fire-smothering gear 9, extinguishant jetting device 13 start control interlock protection；
The extinguishant jetting device 13, including：Contain high-pressure bottle, extinguishing chemical conveyance conduit, the pipeline valve of extinguishing chemical
And pressure-display device, extinguishing chemical jet blower and extinguishant jetting device start control interlocking protective device, extinguishing chemical spray
Nozzle is arranged on the top in the air main and deduster of the top in ball blast abrasive blast equipment 1, exhaust system 6 and dust pelletizing system 7,
There is spark and cause ignition temperature sense in the device for detecting temperature 12 monitoring ball blast sandblasting processing, exhaust system 6 and dust pelletizing system 7
When should alarm, the extinguishant jetting device starts control interlock protection；
The anti-static grounding protection device 5 is used for the process units for eliminating the processing and the electrostatic of production process appearance is released
Put.
The interlocking protective device and interlocking protective device control system, for spark detection device 8, the fire-smothering gear
9th, Sui's powder jetting device 16, explosion-protection equipment (10,11), device for detecting temperature 12, extinguishant jetting device 13 startup and
System protection interlocked control, realize prediction, early warning and the interlock protection of dust explosion protection system safety.
Alternatively, the exhaust system 6 and the pipe diameter and wind speed of dust pelletizing system 7 meet to require, make in pipeline laying dust and
Dust concentration meets related request.
Alternatively, the dust pelletizing system 7 uses pulse backblowing sack cleaner, is located at exhaust system negative pressure section, the pulse
Radiused processing is passed through in back-blowing bag-type dust collector corner, using fire-resistant antistatic material filter bag, is easy to deashing not laying dust, pulse is anti-
Blow pressure power is provided with monitoring alarm.
Alternatively, the inlet and outlet of the pulse backblowing sack cleaner are provided with blast pressure difference monitoring alarm 14, the wind
Whether the operation conditions that pressure pressure difference monitoring alarm 14 is used for monitoring dust pelletizing system is normal, blocked up to prevent cloth bag laying dust, reduces
The hazard index of system.
Alternatively, the pulse backblowing sack cleaner is provided with lock gas ash-discharging device 15, i.e., continuously lock gas unloads grey monitoring device
15, operating is abnormal can to send sound and light alarm.Installed in the pulse backblowing sack cleaner bottom, remove what is filtered down in time
Dust, dust is not accumulated, reduce the danger of system.
It should be noted that all metallic conductors and filter bag etc. are anti-in the ball blast abrasive blast equipment dust explosion protection protection system
Electrostatic grounding meets the requirement of relevant criterion, for eliminating the quiet of ball blast sand blasted surface processing, air draft and dust pelletizing system appearance
Electricity release.
Alternatively, the dust explosion protection region electrical system that ball blast abrasive blast equipment dust explosion protection protection system is somebody's turn to do meets explosion-proof
The requirement of design.
In the present embodiment, the ball blast abrasive blast equipment dust explosion protection protects system to be filled by spark detection device, extinction using gas
Put, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature, extinguishant jetting device, interlocking protective device and interlocking are protected
Interlocking fit between protection unit control system, the dust explosion protection protection of ball blast blasting treatment process is realized, reduces metallic article
Caused dust release and dust fly away and occurred spark and cause burning easily to occur in shotblasting sandblasting process
The security risk of dust explosion risk.
Ball blast abrasive blast equipment dust explosion protection provided by the present invention protection system is described in detail above, for this
The those skilled in the art in field, according to the thought of the embodiment of the present invention, have change in specific embodiments and applications
Become part, in summary, this specification content should not be construed as limiting the invention.
Claims (10)
1. system is protected in the dust explosion protection of ball blast abrasive blast equipment, it is characterised in that including：
Ball blast abrasive blast equipment, ball sand conveying device, ball sand warehouse, ball sand separating apparatus, exhaust system, dust pelletizing system, spark detection
Device, fire-smothering gear, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature, extinguishant jetting device, interlocking
Protection device and interlocking protective device control system；
One end of the ball sand conveying device is connected with the outlet of the ball blast abrasive blast equipment, and the other end enters with the ball sand warehouse
Mouth connection；
The outlet of the ball sand warehouse is connected with the entrance of the ball blast abrasive blast equipment；
The exhaust system includes blower fan and the air main and discharge pipe installed in the blower fan both ends, the air main
One end is connected with blower fan, and the other end is connected with the ball sand separating apparatus；
The dust pelletizing system includes deduster, and the deduster is arranged on the air main；
The outlet of the ball blast abrasive blast equipment is connected by pipeline with the entrance of the ball sand separating apparatus；
The detecting location of the spark detection device is arranged on the front end of the ball sand conveying device and the junction of ball sand warehouse, ball
Inside sand separating apparatus, in the deduster of the air inlet of dust pelletizing system and/or dust pelletizing system at ash dropping hopper；
The fire extinguishing spray site of the fire-smothering gear is arranged on the air intake of internal, the described dust pelletizing system of the ball blast abrasive blast equipment
At mouthful and at ash dropping hopper；
The spray site of Sui's powder jetting device is arranged on the air inlet of the dust pelletizing system；
The explosion-protection equipment is arranged on the front end of the ball sand conveying device and the junction of the ball sand warehouse, the exhaust system
With at the air main of dust pelletizing system and the deduster top；
The monitoring probe of the device for detecting temperature installed in the ball blast abrasive blast equipment, at the ball sand separating apparatus, it is described
At the air outlet of the deduster of dust pelletizing system and at ash dropping hopper；
Top that the jet blower of the extinguishant jetting device is arranged in the ball blast abrasive blast equipment, the exhaust system and remove
Top in the air main and deduster of dirt system；
Interlocking protective device communicates to connect with the interlocking protective device control system, by the interlocking protective device control system
Control, the spark detection device, fire-smothering gear, Sui's powder jetting device, explosion-protection equipment, device for detecting temperature and institute
State extinguishant jetting device to electrically connect with the interlocking protective device respectively, realize that interlocking is opened by the interlocking protective device
It is dynamic.
2. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that the ball sand conveying
Device includes：Bucket lifting device, helix transporting device, scraping plate conveying device or Pneumatic conveyer.
3. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that the extinction using gas
Device includes：Contain high-pressure bottle, fire-suppressant gas conveyance conduit, air valve and air pressure display device, the fire extinguishing injection of fire-suppressant gas
Device and fire-smothering gear start control interlocking protective device.
4. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that Sui's powder
Injection apparatus includes：Contain container, Sui's powder conveying pipeline, pipeline valve and the powder jetting pressure display dress of Sui's powder
Put, Sui's powder spray nozzle and Sui's powder jetting device start control device.
5. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that the explosion-protection equipment
Including explosion-proof explosion venting device, nonflame explosion venting device and explosion isolation device.
6. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that the extinguishing chemical spray
Injection device includes：Contain high-pressure bottle, extinguishing chemical conveyance conduit, pipeline valve and pressure-display device, the extinguishing chemical of extinguishing chemical
Jet blower and extinguishant jetting device start control interlocking protective device.
7. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that also including antistatic
Earth protective device, described anti-static grounding protection device one end ground connection, the other end respectively with the ball sand conveying device, described
Ball sand separating apparatus, the deduster connect with the blower fan.
8. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 1, it is characterised in that the deduster is
Pulse backblowing sack cleaner；
The pulse backblowing sack cleaner is provided with radiused corner, and uses fire-resistant antistatic material filter bag.
9. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 8, it is characterised in that the pulse backblowing
The inlet and outlet of sack cleaner are provided with blast pressure difference monitoring alarm.
10. system is protected in ball blast abrasive blast equipment dust explosion protection according to claim 8, it is characterised in that the pulse is anti-
The bottom for blowing sack cleaner is provided with lock gas ash-discharging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610029936.6A CN105538169B (en) | 2016-01-15 | 2016-01-15 | System is protected in the dust explosion protection of ball blast abrasive blast equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610029936.6A CN105538169B (en) | 2016-01-15 | 2016-01-15 | System is protected in the dust explosion protection of ball blast abrasive blast equipment |
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| CN105538169A CN105538169A (en) | 2016-05-04 |
| CN105538169B true CN105538169B (en) | 2018-01-02 |
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