CN106422568A - Explosion prevention type dust collector and control method thereof - Google Patents
Explosion prevention type dust collector and control method thereof Download PDFInfo
- Publication number
- CN106422568A CN106422568A CN201610895746.2A CN201610895746A CN106422568A CN 106422568 A CN106422568 A CN 106422568A CN 201610895746 A CN201610895746 A CN 201610895746A CN 106422568 A CN106422568 A CN 106422568A
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- explosion
- control system
- plc control
- dust
- type dust
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an explosion prevention type dust collector, which comprises a box body, wherein the box body is provided with a dust gas inlet; the upper end and the lower end of the box body are respectively provided with a collector cover plate and a discharging hopper; the collector cover plate is provided with a dust gas outlet; a spray blowing pipe is arranged in the collector cover plate; the inlet end of the spray blowing pipe is provided with a pulse valve; a plurality of anti-static filter bags communicating with the spray blowing pipe are also arranged inside the box body; explosion prevention films are arranged on the outer side surface of the box body and the upper end surface of the collector cover plate; meanwhile, the invention also provides a control method of the explosion prevention type dust collector. The explosion prevention type dust collector has the advantages that the structure is simple; the explosion prevention effect is good; charges can be discharged out; the explosion rate can be reduced; the dust accumulation is reduced; the smooth discharging of the dust is ensured; the inside dust humidity can be well controlled; the spraying and blowing conditions are strictly controlled; the regular flowing of the inside dust is ensured; the generation of dust charges is reduced; the safety is higher.
Description
Technical field
The present invention relates to dust collection, belong to dedusting environment friendly and material reclaims field, it is more particularly related to
A kind of explosion-proof type dust collection and its control method.
Background technology
Dust collection is belonging to the one kind in cleaner unit, and the collection that its major function lays particular emphasis on precious material in dust is returned
Receipts are processed, and such as some dust contain the higher material of the value such as precious metal, rare earth, and we not only need dust is processed
With environment protection, also need to recycle these precious materials, to reduce cost and the wasting of resources simultaneously.
Dust collection is mainly used in the working region that some compare hazardous explosion prone, such as the processing cart such as grain, food, chemical industry
Between, the inflammable and explosive region such as pharmaceutical factory, Electronics Factory similarly needs to use dust collection, and dust collection was using
Because dust phase mutual friction produces electric charge in journey, easily produce fire by friction thus there is dust explosion, conventional dust collection exists
It is typically all that blast resistance construction is set in tank surface during Explosion-proof Design, and have ignored the cover plate of casing upper end, when generation explosion time
Cover plate is easily ftractureed by internal explosion pressure, the formation blast mouth thus build-up of pressure leaks, and causes to damage, and conventional dust is received
Storage does not account for reducing the elimination of internal charge yet, causes internal charge amount to increase, and increases on fire and blast possibility
Property.
Content of the invention
Based on above technical problem, the invention provides a kind of explosion-proof type dust collection, thus solving conventional dust
Catcher blast resistance construction is comprehensive, thorough, the technical problem that the electric charge that internal dust produces cannot eliminate, and meanwhile, the present invention is also
Provide the control method of this explosion-proof type dust collection.
For solving above technical problem, the technical solution used in the present invention is as follows：
A kind of explosion-proof type dust collection, including casing, casing is provided with dusty gas import, and casing top and bottom are divided
It is not provided with catcher cover plate and discharge bucket, described catcher cover plate is provided with dusty gas outlet, in described catcher cover plate
It is provided with injection tube, the entrance point of injection tube is provided with pulse valve, described box house is additionally provided with and multiple is connected with injection tube
Antistatic filter bag, described casing lateral surface and catcher cover plate upper surface are provided with rupture pressure disc.
Preferably, described dusty gas import is provided with atomizer, and described dusty gas outlet is provided with humidity sensor
Device.
Preferably, the jetting pressure of described injection tube is 0.6 0.8MPa, and pulse width is 100ms, and the pulse spacing is
5—10s.
Preferably, it is also equipped with vibrator outside described discharge bucket.
Preferably, described discharge bucket lower end is additionally provided with baiting valve, is all coated with inside described discharge bucket and baiting valve
PTFE material.
Preferably, described casing external ground.
Preferably, the inside corner of described casing and discharge bucket is fillet.
Preferably, described explosion-proof type cleaner unit is also associated with PLC control system.
The explosion-proof type dust collection structure of the present invention is simple, and explosion-proof effect is good, can discharge electric charge, reduces blast several
Rate, decreases dust accumulation it is ensured that the smooth discharge of dust, safely and efficiently can collect dust, and can control inside very well
Dust humidity, strict control injection condition, it is ensured that the regular flow of internal dust, reduces the generation of dust-charge, safety is more
High.
Meanwhile, the present invention, in order to preferably realize technical scheme, additionally provides above-mentioned explosion-proof type dust collection
The control method of device, the method is passed through PLC control system and is believed with pulse valve, atomizer, humidity sensor and vibrator respectively
Number connect, and by following steps realize control：
Dusty gas import is passed through containing dusty gas, is gone out from dusty gas after antistatic sock filtration containing dusty gas
Mouth is discharged, and dust then adsorbs on antistatic filter bag surface；PLC control system controls pulse valve interval to open, and opening time is spaced
For 5 10s, injection tube is poured with pulse gas, the jetting pressure of pulse gas is 0.6 0.8MPa, and pulse width is
100ms, pulse gas make antistatic filter bag produce vibrating dust removing, and dust falls into discharge bucket outside antistatic filter bag and collects,
Vibrator is opened by PLC control system simultaneously；
In above-mentioned steps are carried out, humidity sensor carries out Humidity Detection to the gas in dusty gas exit, and will examine
Survey data is transferred to PLC control system and carries out data analysiss, and executes following steps by data analysiss；
Step a:If detection humidity value is less than the humidity set point of PLC control system, PLC control system controls atomization spray
Mouth is sprayed water, and when detection humidity value is equal to or higher than the humidity set point of PLC control system, then PLC control system controls atomization spray
Mouth is closed；
Step b:If detection humidity value is greater than or equal to the humidity set point of PLC control system, PLC control system controls
Atomizer is closed, and does not execute any action.
In the method, described humidity set point is the 60% of normal dusty gas humidity value.
The control method of explosion-proof type dust collection of the present invention can be good at controlling dust collection dedusting and collection, protects
The smooth collection of card dust, and Automated condtrol internal gathering environment, control interior humidity in time, control and destroy blast and formed
Environment, the safe operation to dust collection and high efficiency dust are collected and are provided safe method.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of catcher cover plate of the present invention；
The label of in figure is expressed as：1st, injection tube；2nd, catcher cover plate；3rd, humidity sensor；4th, dusty gas go out
Mouthful；5th, atomizer；6th, dusty gas import；7th, rupture pressure disc；8th, antistatic filter bag；9th, discharge bucket；10th, baiting valve；11st, vibrate
Device.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
As shown in Figure 1 and Figure 2, a kind of explosion-proof type dust collection, including casing, casing is provided with dusty gas import 6,
Casing top and bottom are respectively arranged with catcher cover plate 2 and discharge bucket 9, and described catcher cover plate 2 is provided with dusty gas and goes out
Mouthfuls 4, be provided with injection tube 1 in described catcher cover plate 2, described box house be additionally provided with multiple connect with injection tube 1 prevent
Electrostatic filter bag 8, described casing lateral surface and catcher cover plate 2 upper surface are provided with rupture pressure disc 7.
Dust (containing precious metal, the rare earth or other precious material) gas of the present embodiment passes through dusty gas import 6
Enter into box house, and by dusty gas outlet 4 discharge after antistatic filter bag 8 filters, the dust of filtration then adsorbs
In antistatic filter bag 8 outer surface, air pulse is sprayed by injection tube 1 and enters into inside antistatic filter bag 8, and inducing peripheral
Gas, makes filter bag produce vibration, adds that the effect of inverse air-flow makes the dust releasing on filter bag get off, the dust dropping then passes through
Hopper 9 is discharged, and completes dust removal by filtration and deashing, finally carries out sieving the precious material obtaining in dust by the dust of collection again.
The present embodiment is provided with rupture pressure disc 7 in casing lateral surface and catcher cover plate 2 upper surface, thus need not design adding
Plus other blast resistance construction, explosion-proof effect can be played by rupture pressure disc 7, and casing and catcher cover plate 2 are respectively provided with rupture pressure disc
7, thus omnibearing play explosion-proof effect to cleaner unit, increased the safety of cleaner unit, had by antistatic filter bag 8 simultaneously
There is good antistatic performance, cause to explode such that it is able to prevent internal dust from meeting electrostatic discharge spark, decrease blast probability,
Destroy blast formation condition, increase explosion-proof effect further.
The present embodiment can be by the most collecting material in dust by above structure, can maximized recovery powder
Precious material in dirt, organic efficiency is high, reduces the waste of precious material, meets airborne release for environmental protection simultaneously
Requirement.
The dust collection of the present embodiment can be controlled by following control method when using：
It is connected with pulse valve, atomizer 5, humidity sensor 3 and vibrator 11 signal respectively by PLC control system,
And realize controlling by following steps：
Dusty gas import 6 is passed through containing dusty gas, containing dusty gas after antistatic filter bag 8 filtration from dusty gas
Outlet 4 discharge, dust then adsorbs on antistatic filter bag 8 surface；PLC control system controls pulse valve interval to open, opening time
It is spaced apart 5 10s, injection tube 1 is poured with pulse gas, the jetting pressure of pulse gas is 0.6 0.8MPa, and pulse width is
100ms, pulse gas make antistatic filter bag 8 produce vibrating dust removing, and dust falls into discharge bucket 9 outside antistatic filter bag 8 and receives
Collection, opens vibrator 11 by PLC control system simultaneously；This step gets final product intermittent control dust collection, and need not stop
The lasting input of gas, controls precisely it is ensured that collecting effect and efficiency.
In above-mentioned steps are carried out, humidity sensor 3 carries out Humidity Detection to the gas at dusty gas outlet 4, and will
Detection data is transferred to PLC control system and carries out data analysiss, and executes following steps by data analysiss；
Step a:If detection humidity value is less than the humidity set point of PLC control system, PLC control system controls atomization spray
Mouth 5 is sprayed water, and when detection humidity value is equal to or higher than the humidity set point of PLC control system, then PLC control system controls atomization spray
Mouth 5 is closed；
Step b:If detection humidity value is greater than or equal to the humidity set point of PLC control system, PLC control system controls
Atomizer 5 is closed, and does not execute any action.
Step a and step b are then belonging to anti-explosion safety step, can carry out humid control to dust collection inside, from
And destroying the blast origin cause of formation, the generation of minimizing electric charge and collision are it is ensured that be in the collection environment of a safety during dust collection.
Specific embodiment
A kind of explosion-proof type dust collection, including casing, casing is provided with dusty gas import 6, casing top and bottom
It is respectively arranged with catcher cover plate 2 and discharge bucket 9, described catcher cover plate 2 is provided with dusty gas outlet 4, described catcher
It is provided with injection tube 1, described box house is additionally provided with multiple antistatic filter bags 8 connecting with injection tube 1, described in cover plate 2
Casing lateral surface and catcher cover plate 2 upper surface are provided with rupture pressure disc 7；Described dusty gas import 6 is provided with atomizer
5, described dusty gas outlet 4 is provided with humidity sensor 3；The jetting pressure of described injection tube 1 is 0.7MPa, and pulse width is
100ms, the pulse spacing is 8s；It is also equipped with vibrator 11 outside described discharge bucket 9；Described discharge bucket 9 lower end is additionally provided with down
Material valve 10, is all coated with PTFE material inside described discharge bucket 9 and baiting valve 10；Described casing external ground；Described casing and
The inside corner of discharge bucket 9 is fillet；Described explosion-proof type cleaner unit is also associated with PLC control system.
In this specific embodiment, atomizer 5 can be internal according to the inside dust humidity situation of humidity sensor 3 detection
Carry out atomizing spray, reduce the index of aridity of internal dust, such that it is able to effectively prevent dust from producing electrostatic fire blast, and be blown
The jetting pressure of pipe 1 be 0.7MPa, pulse width be 100ms, the pulse spacing be 8s then can effective control filter bag ash removal gap and
, it is ensured that dust can remove discharge in time, the vibrator 11 of addition can be in time from discharge bucket also for guarantee dust for intensity
Discharge and arrange, dust is accelerated by its vibration and glides, and discharge effect to improve dust further, discharge bucket 9 lower end is also
It is provided with baiting valve 10, inside described discharge bucket 9 and baiting valve 10, be all coated with PTFE (politef) material, such that it is able to
Ensure that the passage that dust is discharged is smooth, insulate, meanwhile, casing external ground, the electrostatic that can timely box house be produced
Discharge, it is to avoid static discharge is on fire, and increases blast probability to prevent different dust from mixing in casing, then by casing
It is fillet with the inside corner of discharge bucket 9, it is to avoid dust accumulation；Finally, then in order to increase the flexible use of above-mentioned electrical part,
PLC control system can be added to carry out data processing and send instruction, realize intelligentized control method.
The control method of this explosion-proof type dust collection is specific as follows：
It is connected with pulse valve, atomizer 5, humidity sensor 3 and vibrator 11 signal respectively by PLC control system,
And realize controlling by following steps：
Dusty gas import 6 is passed through containing dusty gas, containing dusty gas after antistatic filter bag 8 filtration from dusty gas
Outlet 4 discharge, dust then adsorbs on antistatic filter bag 8 surface；PLC control system controls pulse valve interval to open, opening time
It is spaced apart 8s, injection tube 1 is poured with pulse gas, the jetting pressure of pulse gas is 0.7MPa, and pulse width is 100ms, arteries and veins
Qi of chong channel ascending adversely body makes antistatic filter bag 8 produce vibrating dust removing, and dust falls into discharge bucket 9 outside antistatic filter bag 8 and collects, leads to simultaneously
Cross PLC control system and open vibrator 11；
In above-mentioned steps are carried out, humidity sensor 3 carries out Humidity Detection to the gas at dusty gas outlet 4, and will
Detection data is transferred to PLC control system and carries out data analysiss, and executes following steps by data analysiss；
Step a:If detection humidity value is less than the 60% of normal dusty gas humidity value, PLC control system controls atomization
Nozzle 5 is sprayed water, and when detection humidity value is equal to or higher than the humidity set point of PLC control system, then PLC control system controls atomization
Nozzle 5 is closed；
Step b:If detection humidity value is greater than or equal to the 60% of normal dusty gas humidity value, PLC control system control
Atomizer 5 processed is closed, and does not execute any action.
It is embodiments of the invention as mentioned above.Design parameter in above-described embodiment and embodiment is merely to clear
The invention proof procedure of inventor is stated by Chu, and is not used to limit the scope of patent protection of the present invention, the patent protection of the present invention
Scope is still defined by its claims, and the equivalent structure that the description of every utilization present invention and accompanying drawing content are made becomes
Change, should be included in the same manner in protection scope of the present invention.
Claims (10)
1. a kind of explosion-proof type dust collection, including casing, casing is provided with dusty gas import (6) it is characterised in that casing
Top and bottom are respectively arranged with catcher cover plate (2) and discharge bucket (9), and described catcher cover plate (2) is provided with dusty gas
Outlet (4), is provided with injection tube (1), the entrance point of injection tube (1) is provided with pulse valve, described in described catcher cover plate (2)
Box house is additionally provided with multiple antistatic filter bags (8) connecting with injection tube (1), described casing lateral surface and catcher cover plate
(2) upper surface is provided with rupture pressure disc (7).
2. a kind of explosion-proof type dust collection according to claim 1 is it is characterised in that described dusty gas import (6)
It is provided with atomizer (5), described dusty gas outlet (4) are provided with humidity sensor (3).
3. a kind of explosion-proof type dust collection according to claim 1 it is characterised in that：The injection of described injection tube (1)
Pressure is 0.6 0.8MPa, and pulse width is 100ms, and the pulse spacing is 5 10s.
4. a kind of explosion-proof type dust collection according to claim 1 is it is characterised in that go back outside described discharge bucket (9)
Vibrator (11) is installed.
5. a kind of explosion-proof type dust collection according to claim 1 it is characterised in that described discharge bucket (9) lower end also
It is provided with baiting valve (10), inside described discharge bucket (9) and baiting valve (10), be all coated with PTFE material.
6. a kind of explosion-proof type dust collection according to claim 1 is it is characterised in that described casing external ground.
7. a kind of explosion-proof type dust collection according to claim 1 is it is characterised in that described casing and discharge bucket (9)
Inside corner be fillet.
8. a kind of explosion-proof type dust collection according to any one of claim 1-7 is it is characterised in that described explosion-proof type powder
Dirt catcher is also associated with PLC control system.
9. a kind of control method of explosion-proof type dust collection it is characterised in that by PLC control system respectively with pulse valve,
Atomizer (5), humidity sensor (3) and vibrator (11) signal connect, and realize controlling by following steps：
Dusty gas import (6) is passed through containing dusty gas, containing dusty gas after antistatic filter bag (8) filtration from dusty gas
Outlet (4) is discharged, and dust then adsorbs on antistatic filter bag (8) surface；PLC control system controls pulse valve interval to open, and opens
Time interval is 5 10s, injection tube (1) is poured with pulse gas, the jetting pressure of pulse gas is 0.6 0.8MPa, pulse
Width is 100ms, and pulse gas make antistatic filter bag (8) produce vibrating dust removing, and dust drops from antistatic filter bag (8) outer surface
Enter discharge bucket (9) to collect, vibrator (11) is opened by PLC control system simultaneously；
In above-mentioned steps are carried out, the gas that humidity sensor (3) exports (4) place to dusty gas carries out Humidity Detection, and will
Detection data is transferred to PLC control system and carries out data analysiss, and executes following steps by data analysiss；
Step a:If detection humidity value is less than the humidity set point of PLC control system, PLC control system controls atomizer
(5) spray water, when detection humidity value is equal to or higher than the humidity set point of PLC control system, then PLC control system controls atomization spray
Mouth (5) is closed；
Step b:If detection humidity value is greater than or equal to the humidity set point of PLC control system, PLC control system controls atomization
Nozzle (5) is closed, and does not execute any action.
10. a kind of control method of explosion-proof type dust collection according to claim 9 is it is characterised in that described humidity
Setting value is the 60% of normal dusty gas humidity value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895746.2A CN106422568A (en) | 2016-10-14 | 2016-10-14 | Explosion prevention type dust collector and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895746.2A CN106422568A (en) | 2016-10-14 | 2016-10-14 | Explosion prevention type dust collector and control method thereof |
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| Publication Number | Publication Date |
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| CN106422568A true CN106422568A (en) | 2017-02-22 |
Family
ID=58174309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895746.2A Pending CN106422568A (en) | 2016-10-14 | 2016-10-14 | Explosion prevention type dust collector and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938162A (en) * | 2017-03-27 | 2017-07-11 | 南京林业大学 | The dedusting explosion-protection equipment of wood powder dust explosion |
| CN108939769A (en) * | 2017-05-18 | 2018-12-07 | 陈栢辉 | Gas-filtering device |
| CN111864154A (en) * | 2019-04-29 | 2020-10-30 | 比亚迪股份有限公司 | Battery pack and vehicle |
| CN112605890A (en) * | 2019-10-04 | 2021-04-06 | 株式会社迪思科 | Dust collecting and processing device |
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| CN2154739Y (en) * | 1993-04-12 | 1994-02-02 | 青岛耐火材料厂 | Anti-explosion pulse bag-type dust cather |
| WO2010149001A1 (en) * | 2009-06-26 | 2010-12-29 | Xi Yunlin | Fuel gas weak blast wave ash-cleaning duster |
| CN204411933U (en) * | 2015-01-20 | 2015-06-24 | 梅县梅雁旋窑水泥有限公司 | A kind of high-effective dust-removing equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938162A (en) * | 2017-03-27 | 2017-07-11 | 南京林业大学 | The dedusting explosion-protection equipment of wood powder dust explosion |
| CN108939769A (en) * | 2017-05-18 | 2018-12-07 | 陈栢辉 | Gas-filtering device |
| CN111864154A (en) * | 2019-04-29 | 2020-10-30 | 比亚迪股份有限公司 | Battery pack and vehicle |
| CN111864154B (en) * | 2019-04-29 | 2022-03-18 | 比亚迪股份有限公司 | Battery pack and vehicle |
| CN112605890A (en) * | 2019-10-04 | 2021-04-06 | 株式会社迪思科 | Dust collecting and processing device |
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Application publication date: 20170222 |
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