CN107421870B - A kind of filter bag test machine - Google Patents
A kind of filter bag test machine Download PDFInfo
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- CN107421870B CN107421870B CN201710637740.XA CN201710637740A CN107421870B CN 107421870 B CN107421870 B CN 107421870B CN 201710637740 A CN201710637740 A CN 201710637740A CN 107421870 B CN107421870 B CN 107421870B
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- filter bag
- dust
- box
- cage
- test machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 126
- 238000007664 blowing Methods 0.000 claims abstract description 19
- 239000004071 soot Substances 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Abstract
The present invention provides a kind of filter bag test machines, belong to field of mechanical technique.It solves that existing cleaner is all more huge, does experiment on common cleaner the also technical problems such as highly inconvenient in the new product developed.A kind of this filter bag test machine, including the cabinet on pedestal and firm banking, the cabinet is divided into upper box and lower box, it is characterized in that, an ash bucket is fixed between the upper box and lower box, the ash bucket is fixed on one for being arranged the cage of filter bag, and the top of the cage is provided with one for clamping the clamp system of filter bag, is installed on cabinet at the top of cage；The lower part of ash bucket is installed with a dust collecting box, and dust collecting box is located in lower box, and the dust collecting box side connection one is for keeping dust dry and preventing the soot blowing mechanism of dust deposit.The present invention has the advantages that the filter effect and service life of filtering bag that is simple, being accurately detected developmental research.
Description
Technical field
The invention belongs to field of mechanical technique, especially a kind of filter bag test machine.
Background technique
Pulse dust collector be when dusty gas by air inlet enters deduster, initially strike inclined plate among inlet and outlet and
Baffle, air-flow, which just turns to, flows into ash bucket, while air velocity slows down, and due to effect of inertia, keeps crude particle dust in gas direct
Flow into ash bucket.Play a part of to gather dust in advance, the filter bag of metallic framework is then rolled over and be equipped with upwardly through inside to the air-flow into ash bucket
Dust is trapped in the outer surface of filter bag, and purified gas enters baghouse top clean room, is pooled to air outlet discharge, contains
During dust and gas body is purified by filter bag, the long-pending dust being attached on filter bag is more and more as time increases, increases filter
Bag resistance causes processing air quantity to gradually decrease, to work normally, to control resistance (140--170 millimeters of water in a certain range
Column), once deashing must be carried out to filter bag by overruning, by each control valve unbalanced pulse of pulse control instrument sequence trigger switch when deashing
Valve, the compressed air in gas bag by each hole of injection tube through in Wen's pipe inspection to each corresponding filter bag, filter bag moment sharply expands,
Product is set to be attached to the dust releasing of filter bag surface, filter bag restPoses.Dust lower clearly falls into ash bucket, and machine is discharged through dust removing system
Body.Thus make the long-pending dust being attached on filter bag pulse jetting deashing periodically, make purification gas normal through guarantee dust pelletizing system
Operation.
Wherein, filter bag is one of the key technology product of pulse dust collector, and filter effect and the service life of filter bag are also
In the project studied always, common cleaner is all more huge, sets in the new product developed in common dedusting
It is also highly inconvenient for above doing experiment.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of filter bag test machine, the hair are proposed
Bright problem to be solved is: the filter effect of filtering bag that is how simple, being accurately detected developmental research and using the longevity
Life.
Object of the invention can be realized by the following technical scheme: a kind of filter bag test machine, including pedestal and fixation
Cabinet on pedestal, the cabinet are divided into upper box and lower box, which is characterized in that between the upper box and lower box
It is fixed with an ash bucket, the ash bucket is fixed on one for being arranged the cage of filter bag, and the top of the cage is provided with
One, for clamping the clamp system of filter bag, is installed on cabinet at the top of cage；The lower part of ash bucket is installed with a dust collecting box, collection ash
Case is located in lower box, and the dust collecting box side connection one is for keeping dust dry and preventing the soot blower of dust deposit
Structure；The upper box two sides are respectively and fixedly provided with a suction ventilator, and described suction ventilator one end is connected with the cavity of dust collecting box, and air draught
The other end of machine is connected with upper box internal cavities；It is grey for that will be adsorbed on filter bag that one is fixed at the top of the upper box
The back-blowing mechanism that dirt removes；A dust detector one for being used to detect dust in air concentration is further fixed in the cage,
It is fixed with a controller, the suction ventilator and dust monitor one on the pedestal and passes through control route and controller phase
Even.
The working principle of the invention is such that be set on cage when filter bag to be detected, starts soot blowing mechanism, will
Dust in dust collecting box is dried and is dispelled, and is evenly distributed in dust in air, starts suction ventilator, by band dust in dust collecting box
Air suck upper box, the dust in air is set in the filter bag on cage and filters out, and clean air enters in cage
Portion is detected by dust detector one, and the data detected are transmitted in controller, to detect the using effect of filter bag,
Dust on filter bag run up to it is a certain amount of, by start back-blowing mechanism, the dust being attached on filter bag is blown off into ash bucket,
And enter from ash bucket and return to dust collecting box, then dust is upset and floated in air by soot blowing mechanism again, is inhaled again by suction ventilator
Enter upper box, so on circulate, until the dust detector one being mounted in cage detects the variation of dust in air amount
Amount reaches not up to air detection standard, intermediate record data.In this way, the filtering effect of filter bag can be accurately detected
Fruit and service life.Controller is PLC programmable controller.Controller is the product that can be bought on the market.
The cage is long tubular.The cage of long tubular is that filter bag being arranged for convenience, at the same all directions by
The power arrived is also all identical.
A solenoid valve is installed on the ash bucket and dust collecting box junction.Avoid the process in hot hair dryer in soot blowing
In, dust enters upper box from dust collecting box, influences detection data.
The clamp system includes annular fixture block, entrainment and bolt, and the annular fixture block is installed at the top of cage, ring
Annular groove is offered on clevis block, the entrainment is circumferentially positioned in annular groove；It carries one end secretly and is equipped with connector one, and
It carries the other end secretly and is equipped with connector two, threaded hole is offered on connector one and connector two, the bolt thread connection connects
Connector is threadedly coupled connector two together.Set will be filled into be set on cage, the opening of filter bag is set on marmon clamp block, then
Entrainment is pushed down filter bag and is bolted.
The soot blowing mechanism includes hot hair dryer, and the hot hair dryer is fixed in lower box, the outlet of hot hair dryer
Mouthful be connected with dust collecting box, and the air inlet of hot hair dryer is connected across lower box with the external world, the hot hair dryer into
Filter screen is fixed at port and gas outlet.The fixation of filter screen is to prevent extraneous dust from entering disposal box, while being also prevented from collection
It is entered in hot hair dryer at the dust in case, influences the service life of hot hair dryer.The effect of hot hair dryer is to aid in collection ash
Dust in case is dried and is dispelled, and extraneous surveyed air environment is simulated.Hot hair dryer is the common production that can be bought on the market
Product.
The back-blowing mechanism includes air pump, impulse electromagnetic valve, air reservoir and nozzle, and the air reservoir is installed in top box
At the top of body, impulse electromagnetic valve is fixed on air reservoir, and the air pump is installed in cabinet side, and air pump passes through pipeline and gas storage
Cylinder is connected, and described nozzle is connected by tracheae with air reservoir.Air is sent into air reservoir by booster air pump, passes through impulse electromagnetic valve
By the air compression in air reservoir, then compressed air is sprayed from nozzle, and the dust being attached on filter bag is blown off.
An observation panel is offered on the upper box, windowpane is installed on the observation panel, and the windowpane is logical
Hinged mode is crossed to be fixed on upper box.The service condition of filter bag can be observed by windowpane, and the glass that can check card
Window into replacement filter bag.
Contain dust detector two in the dust collecting box.Each working environment can be simulated by dust monitor two
The content of lower dust.
Solenoid valve, air pump, impulse electromagnetic valve and the dust detector two is connected by control line road with controller.It is logical
Controller is crossed to open or closed electromagnetic valve, turns on or off air pump and impulse electromagnetic valve.Dust monitor will be collected into
Data be transmitted on controller, controller converts the data into information.
The upper box inside top is provided with a headlamp, is provided with mechanical switch on the outside of the upper box, institute
The headlamp stated is connected by route with mechanical switch.When dark, headlamp can be opened by mechanical switch, it will be upper
Cabinet illuminates, and is convenient for changing filter bag, and mechanical switch and control are not same route, sets so opening headlamp and not needing starting
It is standby, headlamp can be opened by mechanical switch at any time in this way, box house and replacement filter bag can be cleared up.
Compared with prior art, the invention has the following advantages that
1, the air with dust is constantly sucked by upper box by suction ventilator, the air with dust is constantly from being mounted on
Filter bag on cage is filtered off, accurate to detect the dust contained in air by the dust detector being mounted in cage
Amount, increases, data during record detect the service life of filter bag and the filtering of filter bag when by dust in air amount
Effect.
2, dust accumulation is dried and prevented to the dust for entering disposal box by hot hair dryer, cleaner can be simulated
Working environment improves the accuracy of filter bag life tests.
3, the dust of the inside can be recycled, the dust that can be accurately detected in dust collecting box by dust detector two
Content can simulate the working environment in each place by adding or reducing the amount of dust.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of filter bag test machine.
Fig. 2 is a kind of main view of filter bag test machine.
In figure, 1, pedestal；2, upper box；2a, lower box；3, ash bucket；4, cage；5, dust collecting box；6, suction ventilator；7, dust
Detector one；8, controller；9, solenoid valve；10, annular fixture block；11, it carries secretly；12, bolt；13, hot hair dryer；14, filter screen；
15, air pump；16, impulse electromagnetic valve；17, air reservoir；18, nozzle；19, windowpane；20, dust detector two；21, headlamp；
22, mechanical switch.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, a kind of filter bag test machine, including the cabinet on pedestal 1 and firm banking 1, point of cabinet
For upper box 2 and upper box 2, which is characterized in that be fixed with an ash bucket 3 between upper box 2 and lower box 2a, ash bucket 3 passes through weldering
The mode connect is fixed between upper box 2 and lower box 2a, and ash bucket 3 is fixed on one for being arranged the cage 4 of filter bag, cage
The top of frame 4 is provided with one for clamping the clamp system of filter bag, and 4 top of cage is installed in cabinet by welding
On；The lower part of ash bucket 3 is installed with a dust collecting box 5, and dust collecting box 5 is located in lower box 2a, and 5 side of dust collecting box connection one is for keeping
Dust is dry and prevents the soot blowing mechanism of dust deposit；2 two sides of upper box are respectively and fixedly provided with a suction ventilator 6,6 one end of suction ventilator and collection
The cavity of cinder box 5 is connected, and the other end of suction ventilator 6 is connected with 2 internal cavities of upper box；A use is provided at the top of upper box 2
In the back-blowing mechanism that will be adsorbed on dust removing on filter bag；One is further fixed in cage 4 for detecting dust in air concentration
Dust detector 1, a controller 8, suction ventilator 6 and dust monitor one are fixed on pedestal 1 and passes through control route and control
Device 8 processed is connected.
Cage 4 is long tubular.The cage 4 of long tubular is that filter bag being arranged for convenience, while all directions are subject to
Power is also all identical.
A solenoid valve 9 is fixed on ash bucket 3 and 5 junction of dust collecting box.It avoids in hot hair dryer 13 during soot blowing,
Dust enters upper box 2 from dust collecting box 5, influences detection data.
Clamp system includes annular fixture block 10, entrainment 11 and bolt 12, and annular fixture block 10 is installed in 4 top of cage, annular
Annular groove is offered on fixture block 10, entrainment 11 is circumferentially positioned in annular groove；11 one end are carried secretly equipped with connector one, and are pressed from both sides
11 other end of band is equipped with connector two, and threaded hole is offered on connector one and connector two, and bolt 12 is threadedly coupled connection
It is first and be threadedly coupled connector two.Set will be filled into be set on cage 4, the opening of filter bag is set on marmon clamp block 10, so
Entrainment 11 is pushed down filter bag and is fixed by bolt 12 afterwards.
Soot blowing mechanism includes hot hair dryer 13, and hot hair dryer 13 is fixed in lower box 2a, the gas outlet of hot hair dryer 13
It is connected with dust collecting box 5, and the air inlet of hot hair dryer 13 passes through lower box 2a and is connected with the external world, the air inlet of hot hair dryer 13
Filter screen 14 is fixed at mouth and gas outlet.The fixation of filter screen 14 is to prevent extraneous dust from entering disposal box, is also prevented from simultaneously
Dust in integral box enters in hot hair dryer 13, influences the service life of hot hair dryer 13.The effect of hot hair dryer 13 is
It helps the dust in dust collecting box 5 dry and dispels, simulate extraneous surveyed air environment.Hot hair dryer 13 is that can buy on the market
The standard machinery arrived.
Back-blowing mechanism includes air pump 15, impulse electromagnetic valve 16, air reservoir 17 and nozzle 18, and air reservoir 17 is installed in upper box
2 tops, impulse electromagnetic valve 16 are fixed on air reservoir 17, and air pump 15 is installed in cabinet side, and air pump 15 passes through pipeline and storage
Cylinder 17 is connected, and described nozzle 18 is connected by tracheae with air reservoir 17.Impulse electromagnetic valve 16 can be bought on the market
Equipment.Booster air pump 15, to 17 gas storage of air reservoir, when needing to blow off the dust on filter bag, starting impulse solenoid valve 16,
The gas poured in air reservoir 17 is compressed by impulse electromagnetic valve 16, is then sprayed from nozzle 18, filter bag will be attached to
On dust blow off.
An observation panel is offered on upper box 2, windowpane 19 is installed on observation panel, and windowpane 19 passes through hinged mode
It is fixed on upper box 2.The service condition of filter bag can be observed by windowpane 19, and the windowpane 19 that can check card is into replacement
Filter bag.
Contain dust detector 2 20 in dust collecting box 5.It can be simulated under each working environment by dust monitor two
The content of dust.Dust monitor two is the conventional equipment that can be bought on the market.
Solenoid valve 9, air pump 15, impulse electromagnetic valve 16 and dust detector 2 20 are connected by controlling route with controller 8.
It is opened by controller 8 or closed electromagnetic valve 9, turns on or off air pump 15 and impulse electromagnetic valve 16.Dust detector
2 20 are transmitted to the data being collected on controller 8, and controller 8 converts the data into information.
Upper box inside top is provided with a headlamp 21, and mechanical switch 22 is provided on the outside of upper box, and headlamp 21 is logical
Route is crossed to be connected with mechanical switch 22.When dark, headlamp 21 can be opened by mechanical switch 22, upper box is shone
It is bright, it is convenient for changing filter bag, mechanical switch 22 and control are not same route, are set so opening headlamp 21 and not needing starting
It is standby, headlamp 21, easy cleaning box house and replacement filter bag can be opened by mechanical switch 22 at any time in this way.
The working principle of the invention is such that be set on cage 4 when filter bag to be detected, starts hot hair dryer,
Dust in dust collecting box 5 is dried and dispelled, is evenly distributed in dust in air, starts suction ventilator 6, it will be in dust collecting box 5
Air with dust sucks upper box 2, and the filter bag that the dust in air is set on cage 4 filters out, clean air into
Enter inside cage 4, is detected by dust detector 1, the data detected are transmitted in controller 8, to detect filter bag
Using effect, the dust on filter bag run up to it is a certain amount of, by booster air pump 15 by air be sent into air reservoir 17, pass through arteries and veins
It rushes solenoid valve 16 to compress the air in air reservoir 17, then compressed air is sprayed from nozzle 18, will be attached to filtering
Dust on bag is blown off, and the dust being attached on filter bag is blown off ash bucket 3, and enter from ash bucket 3 and return to dust collecting box 5, so
Dust is upset and floated in air by soot blowing mechanism again afterwards, sucks upper box 2 by suction ventilator 6 again, so on circulate, directly
It detects that the variable quantity of dust in air amount reaches to the dust detector 1 being mounted in cage 4 and does not reach air detection standard,
Intermediate record data.In this way, the filter effect and service life of filter bag can accurately be detected.In the present invention
Dust monitor one is the General Instrument that can be bought on the market.Controller 8 is PLC programmable controller 8, also on the market may be used
With the equipment bought.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, pedestal is used more herein；2, upper box；2a, lower box；3, ash bucket；4, cage；5, dust collecting box；
6, suction ventilator；7, dust detector one；8, controller；9, solenoid valve；10, annular fixture block；11, it carries secretly；12, bolt；13, hot blow
Blower；14, filter screen；15, air pump；16, impulse electromagnetic valve；17, air reservoir；18, nozzle；19, windowpane；20, dust detects
Device two；21, headlamp；22, the terms such as mechanical switch, but it does not exclude the possibility of using other terms.Use these terms
It is only for the convenience of describing and explaining the nature of the invention；Be construed as any additional limitation all and be with
What spirit of that invention was disagreed.
Claims (10)
1. a kind of filter bag test machine, including the cabinet on pedestal and firm banking, the cabinet is divided into upper box and lower box,
It is characterized in that, being fixed with an ash bucket between the upper box and lower box, the ash bucket is fixed on one for covering
If the cage of filter bag, the top of the cage is provided with one for clamping the clamp system of filter bag, is installed at the top of cage
On cabinet；The lower part of ash bucket is installed with a dust collecting box, and dust collecting box is located in lower box, and the dust collecting box side connection one is used for
It keeps dust dry and prevents the soot blowing mechanism of dust deposit；The upper box two sides are respectively and fixedly provided with a suction ventilator, described
Suction ventilator one end is connected with the cavity of dust collecting box, and the other end of suction ventilator is connected with upper box internal cavities；The top box
One is fixed at the top of body for the back-blowing mechanism that dust removes on filter bag will to be adsorbed on；A use is further fixed in the cage
Be fixed with a controller in the dust detector one of detection dust in air concentration, on the pedestal, the suction ventilator and
Dust detector one is connected by controlling route with controller.
2. a kind of filter bag test machine according to claim 1, which is characterized in that the cage is long tubular.
3. a kind of filter bag test machine according to claim 1, which is characterized in that the ash bucket and dust collecting box junction
On be installed with a solenoid valve.
4. a kind of filter bag test machine according to claim 1, which is characterized in that the clamp system includes marmon clamp
Block, entrainment and bolt, the annular fixture block are installed at the top of cage, offer annular groove, the folder on annular fixture block
Band is circumferentially positioned in annular groove；It carries one end secretly and is equipped with connector one, and carry the other end secretly and be equipped with connector two, connector one
With offer threaded hole on connector two, the bolt thread connection connector is threadedly coupled connector two together.
5. a kind of filter bag test machine according to claim 1, which is characterized in that the soot blowing mechanism includes blowing hot wind
Machine, the hot hair dryer are fixed in lower box, and the gas outlet of hot hair dryer is connected with dust collecting box, and the air inlet of hot hair dryer
Mouth passes through lower box and is connected with the external world, is fixed with filter screen at the air inlet of the hot hair dryer and gas outlet.
6. a kind of filter bag test machine according to claim 3, which is characterized in that the back-blowing mechanism include air pump,
Impulse electromagnetic valve, air reservoir and nozzle, the air reservoir are installed at the top of upper box, and impulse electromagnetic valve is fixed on air reservoir
On, the air pump is installed in cabinet side, and air pump is connected by pipeline with air reservoir, and the nozzle passes through tracheae and storage
Cylinder is connected.
7. a kind of filter bag test machine according to claim 1, which is characterized in that offer a sight on the upper box
Cha Kou is equipped with windowpane on the observation panel, and the windowpane is fixed on upper box by hinged mode.
8. a kind of filter bag test machine according to claim 6, which is characterized in that examined in the dust collecting box containing dust
Survey device two.
9. a kind of filter bag test machine according to claim 8, which is characterized in that the solenoid valve, air pump, pulse electricity
Magnet valve and dust detector two are connected by control line road with controller.
10. a kind of filter bag test machine according to claim 1, which is characterized in that the upper box inside top is set
It is equipped with a headlamp, mechanical switch is provided on the outside of the upper box, the headlamp passes through route and mechanical switch phase
Even.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810419094.4A CN108613910B (en) | 2017-07-31 | 2017-07-31 | Improved filter bag detection device |
| CN201710637740.XA CN107421870B (en) | 2017-07-31 | 2017-07-31 | A kind of filter bag test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637740.XA CN107421870B (en) | 2017-07-31 | 2017-07-31 | A kind of filter bag test machine |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810419094.4A Division CN108613910B (en) | 2017-07-31 | 2017-07-31 | Improved filter bag detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107421870A CN107421870A (en) | 2017-12-01 |
| CN107421870B true CN107421870B (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710637740.XA Active CN107421870B (en) | 2017-07-31 | 2017-07-31 | A kind of filter bag test machine |
| CN201810419094.4A Active CN108613910B (en) | 2017-07-31 | 2017-07-31 | Improved filter bag detection device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110018154A (en) * | 2019-04-26 | 2019-07-16 | 南京信息工程大学 | A kind of aerosol detection device and method based on laser induced breakdown spectroscopy |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107421870A (en) | 2017-12-01 |
| CN108613910B (en) | 2020-06-16 |
| CN108613910A (en) | 2018-10-02 |
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