CN106943815A - A kind of automatic replacement, the mistake updated are slipped through the net device - Google Patents
A kind of automatic replacement, the mistake updated are slipped through the net device Download PDFInfo
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- CN106943815A CN106943815A CN201710100979.3A CN201710100979A CN106943815A CN 106943815 A CN106943815 A CN 106943815A CN 201710100979 A CN201710100979 A CN 201710100979A CN 106943815 A CN106943815 A CN 106943815A
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- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 claims description 6
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 9
- 101100001056 Schizosaccharomyces pombe (strain 972 / ATCC 24843) adn1 gene Proteins 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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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
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
- B01D46/20—Particle separators, e.g. dust precipitators, using filtering belts the belts combined with drums
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- 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
- B01D46/88—Replacing filter elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
Abstract
The present invention relates to air filter net device, the device more specifically, it relates to which a kind of automatic replacement, the mistake updated are slipped through the net.Existing mistake, which is slipped through the net, needs periodic replacement, and needs to be judged whether to change according to personal experience, influences the stability slipped through the net.The mistake that the present invention provides a kind of automatic replacement, update is slipped through the net device, the guaranteed mistake in air inlet of energy, which is slipped through the net, is constantly in efficient, stable working condition, slipped through the net including air inlet and mistake, cross to slip through the net and be arranged on a disk roller, wrap-up of slipping through the net was additionally provided with the inside of air inlet, motor of the wrap-up of slipping through the net including wind-up roll and for driving wind-up roll to rotate is crossed, wind-up roll be arranged in parallel with disk roller；Crossing device of slipping through the net also includes, airflow detecting device, for detecting the size of air inlet air-flow, and exports detection airflow signal；Control device, is connected with motor control, is connected with airflow detecting device signal, receives and responds to detect the keying of airflow signal controlled motor, can improve the stability slipped through the net.
Description
Technical field
The present invention relates to air filter net device, the dress more specifically, it relates to which a kind of automatic replacement, the mistake updated are slipped through the net
Put.
Background technology
In the prior art, air purifier can through before indoor air suction clarifier is purified being arranged on into
One layer of mistake in air port is slipped through the net, and the bulky grain such as dust suspended in air thing is tentatively considered and removed, enters back into and enters in air evolution device
Row purification work.
But cross and slip through the net after a period of operation, the suspensions such as many dusts can be adsorbed above, and the clogging mistake of meeting is slipped through the net,
Air purifier air inlet effect is influenceed, it is necessary to be regularly replaced according to indoor environment and frequency of use, the cycle of replacing is indefinite, and
It is to be judged whether to change according to personal experience, judges to have differences every time, made efficiency generation difference of slipping through the net, it is unstable.
The content of the invention
In view of the shortcomings of the prior art, slipped through the net it is an object of the invention to provide a kind of automatic replacement, the mistake updated
Device, the guaranteed mistake in air inlet of energy, which is slipped through the net, is constantly in efficient, stable working condition.
To achieve the above object, the invention provides following technical scheme：A kind of automatic replacement, the mistake updated are slipped through the net dress
Put, including the air inlet with grid is slipped through the net with the mistake being arranged on the inside of air inlet, the mistake, which is slipped through the net, to be arranged on a disk roller, air intake
Intraoral side was additionally provided with wrap-up of slipping through the net, and crossed electricity of the wrap-up of slipping through the net including wind-up roll and for driving wind-up roll to rotate
Machine, wind-up roll be arranged in parallel with disk roller；Crossing device of slipping through the net also includes, airflow detecting device, for detecting the big of air inlet air-flow
It is small, and export detection airflow signal；Control device, is connected with motor control, is connected with airflow detecting device signal, receives and rings
The keying of airflow signal controlled motor is detected described in Ying Yu；And the supply unit for being powered to each device.
The present invention is more preferably：The inner side of the air inlet is used to draw the guide reel slipped through the net, two provided with a pair
Described guide reel be arranged in parallel with wind-up roll and is respectively arranged at air inlet top and bottom respectively.
The present invention is more preferably：The airflow detecting device includes a photoelectric sensor and an air flow guide, air-flow
Guide plate hangs on the inside of air inlet and slipped through the net with the mistake between two guide reels and be arranged in parallel, and the air flow guide is inclined with air-flow
Turn and the size of air flow guide deflection angle and the power of air-flow are proportionate, photoelectric sensor is arranged at remote by air flow guide
The side of air inlet and electrically connected with control device, air flow guide deflection angle is detected after exceeding certain limit by photoelectric sensor
Arrive.
The present invention is more preferably：The control device is according to the keying for detecting airflow signal controlled motor；Work as air-flow
Detection means output detection airflow signal is after predetermined value MAX and predetermined hold-time, and controlled motor is closed；When air-flow detection
After device output detection airflow signal is less than predetermined value MIN and predetermined hold-time, controlled motor is opened.
The present invention is more preferably：The control device includes, a reference voltage generating circuit, including resistance R1 and electricity
R2, resistance R1 and resistance R2 series connection are hindered, the resistance R1 other end is coupled to the second direct current, resistance R2 other end ground connection；One
Comparison circuit, including a comparator A1, its in-phase input end are coupled to the output end of airflow detecting device, inverting input coupling
In resistance R1 and resistance R2 tie point, the detection airflow signal received is compared and defeated by output end with reference voltage MAX
Go out comparison signal；One anti-clutter circuit, its signal input part is coupled to comparison circuit, for receiving comparison signal and more than predetermined
Time then exports control OFF signal；One on-off circuit, its input is coupled to the output end of anti-clutter circuit, and letter is closed for receiving control
Number and by controlling switch S1 closure with start motor carry out changed work of slipping through the net.
The present invention is more preferably：The anti-clutter circuit includes, a delay circuit I, and its input is coupled to described
Comparison signal simultaneously exports a delay comparison signal；And one and door AND1, with two inputs and an output end, it first
The output end of input and delay circuit I is coupled, and the output end of the second input and comparison circuit is coupled, the output control of its output end
OFF signal.
The present invention is more preferably：The on-off circuit includes, a resistance R5, and one end is coupled to the output with door AND1
End；One diode D1, the other end of positive pole and resistance R5 is coupled；One NPN triode Q1, its grounded emitter, base stage is coupled to
Diode D1 negative pole with receive the control OFF signal and by a resistance R6 and emitter stage altogether；One relay KM1, its coil
One end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode Q1, and it switchs S1 and is series at motor and straight
Between stream power supply；One diode D2, its positive pole is coupled between the colelctor electrode of NPN triode Q1 and the relay KM1 coil,
Negative pole is coupled to the first direct current.
By using above-mentioned technical proposal, invention is compared compared with the prior art：When air purifier works, can thus it enter
Air port sucks air.Air crosses a part of suspension absorption slipped through the net in air, by preliminary treatment after crossing and slipping through the net
Air is purified in air purifier is entered.Due to crossing the unadsorbed suspension of stomata on slipping through the net, therefore gas at the beginning
Stream pass through that the throughput slipped through the net is larger, the air flow guide on the inside of air inlet by can be deflected after airflow function or rotation necessarily
Angle, the size of air flow guide deflection angle and the power of air-flow are proportionate.Air flow guide deflection angle exceedes certain limit
Detected afterwards by photoelectric sensor, the detection airflow signal detected is compared by photoelectric sensor with reference voltage；Work as light
When electric transducer produces detection airflow signal more than reference voltage MAX, motor does not work, that is, crosses wrap-up of slipping through the net and be failure to actuate；
Serve as slipping through the net after work for a period of time, when crossing that suspension is more and more in the air for upper absorption of slipping through the net, can make to slip through the net by gas
The ability decline of stream, air-flow reduction, thus air flow guide deflection angle can diminish.Photoelectric sensor is not received by air flow guide
On the signal that reflects, therefore produce detection airflow signal and be less than reference voltage MAX, motor work cross winding dress of slipping through the net
Put action, motor drives wind-up roll to rotate, and the mistake that air inlet is adsorbed with into suspension, which is slipped through the net, to be rolled, change after new mistake slips through the net,
Air-flow increases, the increase of air flow guide deflection angle, is detected by airflow detecting device, and is disconnected by control device controlled motor, complete
Into replacing of slipping through the net is crossed, the stability slipped through the net was improved, making to slip through the net is constantly in efficient working condition.
Brief description of the drawings
Fig. 1 is that a kind of automatic replacement, the mistake updated are slipped through the net the structural representation of device；
Fig. 2 was state diagram of the device in normal work of slipping through the net；
Fig. 3 was the circuit theory diagrams of device of slipping through the net.
In figure：1st, air inlet；2nd, cross and slip through the net；21st, disk roller；3rd, wrap-up of slipping through the net is crossed；31st, wind-up roll；32nd, motor；4、
Airflow detecting device；41st, photoelectric sensor；42nd, air flow guide；5th, control device；51st, reference voltage generating circuit；52nd, compare
Circuit；53rd, anti-clutter circuit；54th, on-off circuit；6th, guide reel.
Embodiment
A kind of automatic replacement, the mistake device of slipping through the net updated are described further referring to figs. 1 to Fig. 3.
As shown in figures 1 and 3, a kind of automatic replacement, the mistake updated are slipped through the net device, including the air inlet 1 with grid and are set
The mistake for being placed in the inner side of air inlet 1 slips through the net 2, crosses to slip through the net and 2 is arranged on a disk roller 21, and the inner side of air inlet 1 was additionally provided with winding of slipping through the net
Device 3, crosses motor 32 of the wrap-up 3 of slipping through the net including wind-up roll 31 and for driving wind-up roll 31 to rotate, wind-up roll 31 and roller
Wheel 21 be arranged in parallel；Crossing device of slipping through the net also includes, airflow detecting device 4, for detecting the size of the air-flow of air inlet 1, and exports
Detect airflow signal；Control device 5, is connected with the control of motor 32, is connected, receives and responds to the signal of airflow detecting device 4
Detect the keying of airflow signal controlled motor 32；And the supply unit for being powered to each device.
The inner side of air inlet 1 provided be used to for a pair drawing slip through the net 2 guide reel 6, two guide reel 6 respectively with wind-up roll
31 be arranged in parallel and are respectively arranged at the top and bottom of air inlet 1.
Airflow detecting device 4 includes a photoelectric sensor 41 and an air flow guide 42, and air flow guide 42 hangs on air inlet 1
Inner side and being slipped through the net with the mistake between two guide reels 62 is be arranged in parallel, and air flow guide 42 is deflected with air-flow and air flow guide 42 is inclined
The size of gyration and the power of air-flow are proportionate, and photoelectric sensor 41 is arranged at the remote air inlet 1 in the side of air flow guide 42
Side and electrically connected with control device 5, the deflection angle of air flow guide 42 is detected after exceeding certain limit by photoelectric sensor 41.
Control device 5 is according to the keying for detecting airflow signal controlled motor 32；When the output detection air-flow of airflow detecting device 4
Signal is after predetermined value MAX and predetermined hold-time, and controlled motor 32 is closed；When the output detection air-flow of airflow detecting device 4
After signal is less than predetermined value MIN and predetermined hold-time, controlled motor 32 is opened.
Control device 5 includes, a reference voltage generating circuit 51, including resistance R1 and resistance R2, resistance R1 and resistance R2
Series connection, the resistance R1 other end is coupled to the second direct current, resistance R2 other end ground connection；One comparison circuit 52, including a ratio
Compared with device A1, its in-phase input end is coupled to the output end of airflow detecting device 4, and inverting input is coupled to resistance R1 and resistance R2
Tie point, the detection airflow signal received is compared with reference voltage MAX and comparison signal is exported by output end；One is anti-dry
Circuit 53 is disturbed, its signal input part is coupled to comparison circuit 52, for receiving comparison signal and then exporting control more than the scheduled time
OFF signal；One on-off circuit 54, its input is coupled to the output end of anti-clutter circuit 53, for receiving control OFF signal and passing through
Controlling switch S1 closure carries out changing 2 work of slipping through the net to start motor 32.
Anti-clutter circuit 53 includes, a delay circuit I, and its input, which is coupled to comparison signal and exports a delay, compares letter
Number；And one and door AND1, with two inputs and an output end, the output end of its first input end and delay circuit I
Coupling, the output end of the second input and comparison circuit 52 is coupled, its output end output control OFF signal.
On-off circuit 54 includes, a resistance R5, and one end is coupled to the output end with door AND1；One diode D1, positive pole with
Resistance R5 other end coupling；One NPN triode Q1, its grounded emitter, base stage is coupled to diode D1 negative pole to receive
Control OFF signal and by a resistance R6 and emitter stage altogether；One relay KM1, its coil one end is coupled to the first direct current, separately
One end is coupled to the colelctor electrode of the NPN triode Q1, and it switchs S1 and is series between motor 32 and dc source；One diode
D2, its positive pole is coupled between the colelctor electrode of NPN triode Q1 and the relay KM1 coil, and negative pole is coupled to the first direct current
Electricity.
The specifically used process of the present invention is as follows：When air purifier works, thus air can be sucked by air inlet 1.Such as
Shown in Fig. 2, air is slipped through the net after 2 by crossing, and is crossed to slip through the net and 2 is adsorbed a part of suspension in air, by the sky of preliminary treatment
Gas is purified in air purifier is entered.Due to crossing the unadsorbed suspension of stomata slipped through the net on 2, therefore air-flow at the beginning
By cross slip through the net 2 throughput it is larger, the air flow guide 42 of the inner side of air inlet 1 after airflow function by can deflect or rotation is certain
Angle, the size of the deflection angle of air flow guide 42 and the power of air-flow are proportionate.The deflection angle of air flow guide 42 is more than one
Determine to be detected by photoelectric sensor 41 after scope, photoelectric sensor 41 carries out the detection airflow signal detected and reference voltage
Compare.
When photoelectric sensor 41, which produces detection airflow signal, is more than reference voltage MAX, the output high level of comparison circuit 52,
Delay circuit I is input to, is exported after delay a period of time, afterwards with comparison output and rear output instantly, if comparison instantly
Output is still high level, is high level with the door ADN1 control OFF signals exported, turn-on transistor Q1, relay KM1 obtains electric, internal
Iron core adhesive armature disconnects normally closed switch S1, and motor 32 does not work, that is, crosses wrap-up 3 of slipping through the net and be failure to actuate.
Serve as slipping through the net after 2 work a period of times, when crossing that suspension is more and more in the air slipped through the net and adsorbed on 2, can make
Slip through the net and 2 declined by the ability of air-flow, air-flow reduces, thus the deflection angle of air flow guide 42 can diminish.Photoelectric sensor 41 connects
The signal by being reflected on air flow guide 42 is can not receive, therefore produces detection airflow signal and is less than reference voltage MAX, it is relatively more electric
Road 52 exports low level, is input to delay circuit I, is exported after delay a period of time, afterwards with comparison output instantly with it is rear defeated
Go out, be low level with the control OFF signal that door ADN1 is exported, triode Q1 is breaking, often if comparison output instantly is still low level
S1 closures are closed in make and break, are connected motor 32 and are worked, that is, are crossed wrap-up 3 of slipping through the net and acted, and motor 32 drives wind-up roll 31 to rotate, will
The mistake that air inlet 1 is adsorbed with suspension is slipped through the net and 2 rolled, and is changed new mistake and is slipped through the net after 2, air-flow increase, the deflection angle of air flow guide 42
Degree increase, is detected by airflow detecting device 4, and is disconnected by the controlled motor 32 of control device 5, was completed 2 replacings of slipping through the net, was improved
Slip through the net 2 stability, making to slip through the net 2 is constantly in efficient working condition.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
- Device, including the air inlet with grid 1. a kind of automatic replacement, the mistake updated are slipped through the net（1）Be arranged at air inlet（1）It is interior The mistake of side is slipped through the net（2）, it is characterised in that：The mistake is slipped through the net（2）It is arranged at a disk roller（21）On, air inlet（1）Inner side is additionally provided with Wrap-up of slipping through the net (3) is crossed, crossing wrap-up (3) of slipping through the net includes wind-up roll（31）With for driving wind-up roll（31）The electricity of rotation Machine（32）, wind-up roll（31）With disk roller（21）It is arranged in parallel；Crossing device of slipping through the net also includes,Airflow detecting device（4）, for detecting air inlet（1）The size of air-flow, and export detection airflow signal；Control device（5）, with motor（32）Control connection, with airflow detecting device（4）Signal is connected, and is received and responded to described Detect airflow signal controlled motor（32）Keying；And the supply unit for being powered to each device.
- The device 2. a kind of automatic replacement according to claim 1, the mistake updated are slipped through the net, it is characterised in that：The air inlet （1）Inner side be used to draw and slip through the net provided with a pair（2）Guide reel（6）, the guide reel described in two（6）Respectively with wind-up roll （31）It is arranged in parallel and is respectively arranged at air inlet（1）Top and bottom.
- The device 3. a kind of automatic replacement according to claim 2, the mistake updated are slipped through the net, it is characterised in that：The air-flow inspection Survey device（4）Including a photoelectric sensor（41）With an air flow guide（42）, air flow guide（42）Hang on air inlet（1）Inner side And with positioned at two guide reels（6）Between mistake slip through the net（2）It is arranged in parallel, the air flow guide（42）Deflected with air-flow and air-flow is led Plate（42）The size of deflection angle and the power of air-flow are proportionate, photoelectric sensor（41）It is arranged at air flow guide（42）It is other remote From air inlet（1）Side and and control device（5）Electrical connection, air flow guide（42）Deflection angle exceedes after certain limit by light Electric transducer（41）Detect.
- The device 4. a kind of automatic replacement according to claim 3, the mistake updated are slipped through the net, it is characterised in that：The control dress Put（5）According to detection airflow signal controlled motor（32）Keying；Work as airflow detecting device（4）Output detection airflow signal exceeds After predetermined value MAX and predetermined hold-time, controlled motor（32）Close；Work as airflow detecting device（4）Output detection airflow signal After predetermined value MIN and predetermined hold-time, controlled motor（32）Open.
- The device 5. a kind of automatic replacement according to claim 4, the mistake updated are slipped through the net, it is characterised in that：The control dress Put（5）Including,One reference voltage generating circuit（51）, including resistance R1 and resistance R2, resistance R1 and resistance R2 series connection, resistance R1's is another End is coupled to the second direct current, resistance R2 other end ground connection；One comparison circuit（52）, an including comparator A1, its in-phase input end is coupled to airflow detecting device（4）Output end, Inverting input is coupled to resistance R1 and resistance R2 tie point, by the detection airflow signal received and reference voltage MAX ratios Comparison signal is exported compared with and by output end；One anti-clutter circuit（53）, its signal input part is coupled to comparison circuit（52）, for receiving comparison signal and more than pre- OFF signal is controlled in then output of fixing time；One on-off circuit（54）, its input is coupled to anti-clutter circuit（53）Output end, OFF signal and lead to for receiving control Controlling switch S1 closure is crossed to start motor（32）Progress, which was changed, slips through the net（2）Work.
- The device 6. a kind of automatic replacement according to claim 5, the mistake updated are slipped through the net, it is characterised in that：It is described anti-tampering Circuit（53）Including,One delay circuit I, its input is coupled to the comparison signal and exports a delay comparison signal；And one and door AND1, with two inputs and an output end, the output end of its first input end and delay circuit I Coupling, the second input and comparison circuit（52）Output end coupling, its output end output control OFF signal.
- The device 7. a kind of automatic replacement according to claim 5, the mistake updated are slipped through the net, it is characterised in that：The switch electricity Road（54）Including,One resistance R5, one end is coupled to the output end with door AND1；One diode D1, the other end of positive pole and resistance R5 is coupled；One NPN triode Q1, its grounded emitter, base stage is coupled to diode D1 negative pole to receive the control OFF signal and lead to Cross a resistance R6 and emitter stage altogether；One relay KM1, its coil one end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode Q1, Its normally closed switch S1 is series at motor（32）Between dc source；One diode D2, its positive pole is coupled between the colelctor electrode of NPN triode Q1 and the relay KM1 coil, negative pole coupling It is connected to the first direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100979.3A CN106943815A (en) | 2017-02-23 | 2017-02-23 | A kind of automatic replacement, the mistake updated are slipped through the net device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100979.3A CN106943815A (en) | 2017-02-23 | 2017-02-23 | A kind of automatic replacement, the mistake updated are slipped through the net device |
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| CN106943815A true CN106943815A (en) | 2017-07-14 |
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|---|---|---|---|
| CN201710100979.3A Pending CN106943815A (en) | 2017-02-23 | 2017-02-23 | A kind of automatic replacement, the mistake updated are slipped through the net device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654240A (en) * | 2018-07-25 | 2018-10-16 | 宁波东方兴达环保设备有限公司 | A kind of intelligent and high-efficiency dry type demister |
| CN111974118A (en) * | 2019-05-21 | 2020-11-24 | 喜开理株式会社 | Filter device |
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| CN111974118A (en) * | 2019-05-21 | 2020-11-24 | 喜开理株式会社 | Filter device |
| CN111974118B (en) * | 2019-05-21 | 2022-03-11 | 喜开理株式会社 | Filter device |
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