CN108970284A - Automatically cleaning air filter and its automatically cleaning step - Google Patents
Automatically cleaning air filter and its automatically cleaning step Download PDFInfo
- Publication number
- CN108970284A CN108970284A CN201811134702.3A CN201811134702A CN108970284A CN 108970284 A CN108970284 A CN 108970284A CN 201811134702 A CN201811134702 A CN 201811134702A CN 108970284 A CN108970284 A CN 108970284A
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- China
- Prior art keywords
- solenoid valve
- air
- filter core
- filter
- automatically cleaning
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Classifications
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of automatically cleaning air filters, main filter core is set in air filter housing, in housing side, air inlet is set, in shell upper end, gas outlet is set, pressure gas source passes through piping connection to solenoid valve, solenoid valve is by being provided with ash discharging hole in housing bottom in piping connection to safety filter element.Pressure gas source of the invention is passed through in piping connection to safety filter element by piping connection to solenoid valve, solenoid valve.Forced draft of the invention is entered in safety filter element by blowback after solenoid valve, blowback can make air stream body generate powerful pressure difference in the surfaces externally and internally moment of filter core, it forces dust contaminant particle to break up removing from filter core outer surface, is discharged under the action of air flow field from air inlet or ash discharging hole.The active force of blowback acts on the inner surface of entire safety filter element, and active force is more uniform, will not destroy the filter paper of filter core outer surface；The reuse for realizing main filter core simultaneously, prolongs the service life, and reduces air filter maintenance cost.
Description
Technical field
The present invention relates to air filter technical field, especially a kind of automatically cleaning air filter and its automatically cleaning step
Suddenly.
Background technique
The engine of the vehicles such as gasoline, diesel vehicle, engineering machinery and farm machinery needs the extraneous air that provides to burn
Start, the air filter being installed on vehicle can filter out the pollutants such as dust in air, sand grains, to provide for engine
Enough, clean air.The working principle of air filter is that outside air enters from air inlet, then passes through main filter core, ash
The pollutants such as dirt, the grains of sand are attracted to main filter core outer surface, and clean air is finally flowed out from gas outlet using safety filter element
Into engine.With the accumulation for using the time, the quantity of the pollutant of main filter core outer surface capture is increasing, and main filter core is most
Reach permitted maximum resistance and dust containing capacity when design eventually, namely reach the service life of filter core, at this time, it is necessary to main filter
Core is replaced.On the one hand discarded filter core can not reuse, and cause the significant wastage of resource, another aspect long run
Vehicle in bad environments location need to often replace filter core, and vehicle maintenance maintenance cost rises, and replace filter core and need to expend
The stoppage in transit of the time of half a day to one day, landship, engineering machinery and farm machinery will bring certain economic loss.
Chinese patent ZL2009201039906 discloses one kind and exempts from maintenance type automatically cleaning air filtering core assembly apparatus, is filtering
One root long tracheae is set inside core assembly, several wind grooves are arranged on tracheae, exhaust fan is set on filter housing, is filtered
When device automatically cleaning, filter core assembly rotation, the gas that high-pressure pump comes out is from the wind groove blowout on tracheae, by the filter core appearance of rotation
The pollutants such as the dust in face are blown off, and exhaust fan is recycled to extract the dust blown off on filter core from filter housings out.Actual use
In the process, since wind groove is that interval is uniformly arranged, so will appear blowing dead angle, cartridge top in the position for being not provided with wind groove
Also have blowing dead angle with bottom, the dust on these dead angle positions can not thoroughly be blown clean, wind groove carry out local blowing ratio, wind-force compared with
When big, since local blowing ratio area is small, pressure is big, and the filter paper of cartridge surface is easy to be blown brokenly, and causing filter core to damage completely can not
It uses.
Summary of the invention
The applicant can not clear up all grey trifle in the worlds on filter core for above-mentioned existing air filtering core device automatically cleaning process
Object is easily damaged the disadvantages of filter paper of cartridge surface, provides a kind of structurally reasonable automatically cleaning air filter and its automatically cleaning
Step carries out comprehensive pulse backblowing by collection gas bag and solenoid valve, to uniformly remove the pollution such as dust of filter core outer surface
Object, deashing are more thorough.
The technical solution adopted in the present invention is as follows:
A kind of automatically cleaning air filter, is arranged main filter core in air filter housing, and air inlet is arranged in housing side,
Gas outlet is arranged in shell upper end, and pressure gas source passes through piping connection to safety filter element by piping connection to solenoid valve, solenoid valve
It is interior, housing bottom is provided with ash discharging hole.
As a further improvement of the above technical scheme:
Collection gas bag is connected between pressure gas source and solenoid valve, gas collection, which is wrapped, is provided with pressure gauge.
Solenoid valve is connected to power supply by pulse control instrument.
Safety filter element is set in main filter core, and intake elbow one end is connect with solenoid valve, and the other end is towards inside safety filter element.
Side is provided with vibrating motor below hull outside, and vibrating motor passes through motor oscillating frequency controller and power supply
Connection.
The end of the ash discharging hole is provided with ash-valve；In the side of gas outlet, pressure alarm is set；Pipeline diameter is
G1/4 " arrives G4 "；In housing bottom, end cap is set.
A kind of automatically cleaning step using above-mentioned air filter, includes the following steps:
S1, air filter progress air filtration is opened, outside air enters from air inlet, by main filter core and safety filter element mistake
Filter is discharged from gas outlet；
S2, pressure gas source is opened, compressed air is full of pipeline, when the pressure value of pressure gauge feedback is equal to the output pressure of pressure gas source
When force value, accumulation of energy is finished, but solenoid closure；
S3, solenoid valve is opened, compressed air enters blowback inside filter core, and dust debris are discharged from ash discharging hole.
As a further improvement of the above technical scheme:
The step S3 further include: control solenoid valve using pulse control instrument, after solenoid valve open time 0.05~1 second, close
Solenoid valve is closed, solenoid valve opens solenoid valve after closing 1 second~1 minute, and so circulation repeatedly do up to filter core cleans completely by operation
Only.
The step S3 further include: open motor oscillating frequency controller, vibrating motor is patted vibration air filter, made
Dust on filter core is easier to fall.
Further include step S4: opening end cap, the dust of bottom is discharged.
Beneficial effects of the present invention are as follows:
Pressure gas source of the invention is passed through in piping connection to safety filter element by piping connection to solenoid valve, solenoid valve.This hair
Bright forced draft is entered in safety filter element by blowback after solenoid valve, and blowback can make air stream body in the surfaces externally and internally of filter core
Moment generates powerful pressure difference, and dust contaminant particle is forced to break up removing from filter core outer surface, in the effect of air flow field
Next part is discharged from air inlet, and a part is discharged from ash discharging hole.The active force of blowback acts on the interior table of entire safety filter element
Face, active force is more uniform, will not destroy the filter paper of filter core outer surface；The reuse of main filter core may be implemented simultaneously, extend
The service life of main filter core, to substantially reduce air filter maintenance cost.
The present invention is provided with collection gas bag between pressure gas source and solenoid valve, and gas collection, which is wrapped, is provided with pressure gauge, collects gas bag
The compressed air of pressure gas source offer is provided, so that enough pulse backblowing air are provided, it is real-time by observation pressure gauge
Compressed air energy accumulating state in monitoring collection gas bag, the opening and closing of collection gas bag cooperation solenoid valve, the strength blowback air that will be obtained every time
It circulates inside filter core.
Solenoid valve of the invention is connected to power supply by pulse control instrument, the control by pulse control instrument to solenoid valve,
It recycles the compressed air introduced in a manner of air pulse and is blown into air filter repeatedly, it is anti-by repeated multiple times air-flow
It blows, thoroughly removes the dust of filter core outer surface.
Intake elbow horizontal segment of the present invention extends outwardly across gas outlet side wall to be connect with solenoid valve, perpendicular inside gas outlet
Straight section is downward, and lower end outlet is only slightly goed deep into shell, does not extend downwardly and gos deep into inside filter core, can make air-flow that must be distributed more
Add comprehensively, sprays air-flow outward from the entire inner surface of safety filter element, to more fully take away the ash of main filter core outer surface
Dirt and pollution are not in dead angle and residual without particle.
Present invention side below hull outside is provided with vibrating motor, and vibrating motor passes through motor oscillating frequency controller
It connects to power supply.The shell that air filter is patted by vibrating motor, makes the obstinate dust on filter core fall off, and it is clear to play auxiliary
Grey effect further increases the return rate of main filter core reverse gas cleaning, greatly extends the service life of main filter core, reduces empty
Air filter maintenance cost.
End cap is arranged in housing bottom in the present invention, and a part of dust can be in the synthesis of gravity and air flow field in use process
It is deposited under effect in the end cap of air filter, can periodically open end cap and remove dust, so that internal dust thoroughly be discharged.
The present invention is directly provided using vehicle-mounted compressed air or plant compressed air as pressure gas source for entire blowback system
Compressed air can effectively reduce the manufacture and operating cost of system, improve the feasibility of device implementation.The present invention can root
It needs to be mounted on the corresponding position of vehicle, equipment according to what vehicle, equipment were run, can also be detached from vehicle, equipment and independently arrange, adapt to
Property is strong, easy to operate, of simple structure and low cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is cross-sectional view of the invention.
In figure: 1, power supply；2, plant-grid connection line；3, electric-controlled box；4, power of electromagnetic valve control line；5, third pipeline；6, electric
Magnet valve；7, the second connector；8, intake elbow；9, gas outlet；10, pressure alarm；11, vibrating motor power control line；12, it presses
Strength source；13, output pipe；14, collect gas bag；15, pressure gauge；16, the first pipeline；17, the first connector；18, the second pipeline；
19, ash-valve；20, ash discharging hole；21, the first mounting bracket；22, the second mounting bracket；23, shell；24, third mounting bracket；
25, vibrating motor；26, air inlet；27, pulse control instrument；28, electromagnetism valve air gate；29, electromagnetic valve air inlet；30, motor shakes
Dynamic frequency controller；31, third connector；32, main filter core；33, safety filter element；34, end cap；35, connection jaws.
Specific embodiment
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in Figure 1 and Figure 2, air filter of the invention be rounded cylindrical structure, in air filter housing 23 from
It is interior to setting gradually safety filter element 33 and main filter core 32 outside, in 23 1 upper side of shell, air inlet 26, corresponding safety filter element are set
33 are arranged cylindrical gas outlet 9 above shell 23, and the diameter of gas outlet 9 is less than or equal to the interior diameter of safety filter element 33.In sky
End cap 34 is arranged in 23 bottom of air filter shell, and the setting of ash discharging hole 20 is arranged in 23 bottom side of shell, the end of ash discharging hole 20
There is ash-valve 19, the part dust outside a small amount of dust and main filter core 32 outside safety filter element 33 is in gravity and air flow field
It is deposited under comprehensive function on the end cap 34 of air filter, end cap 34 can periodically open cleaning.Below 23 outside of shell
Side is provided with vibrating motor 25.Pressure alarm 10 is set in the side of gas outlet 9, pressure alarm 10 is for monitoring filter core
The carrying situation of the pollutants such as outer surface dust, the timely warning note when reaching certain bearing capacity.Intake elbow 8 is 90 degree curved
Curved tube road, horizontal segment pass through 9 side wall of gas outlet extend outwardly, the vertical section inside gas outlet 9 downward, positioned at the axis of shell 23
On line, lower end outlet is only slightly goed deep into shell 23, does not extend downwardly and gos deep into inside filter core, can so make the distribution of air-flow
More comprehensively uniformly, spray air-flow outward from the entire inner surface of safety filter element 33, to more fully take away filter core appearance
The dust in face and pollution are not in dead angle and residual without particle.As shown in Figure 1, vibrating motor 25 passes through third mounting bracket
24 are mounted on air filter housing 23, and vibrating motor 25 also may be mounted at outside end cap 34, and air filter passes through the
One mounting bracket 21 and the second mounting bracket 22 are mounted on vehicle, in equipment.
As shown in Fig. 2, the pressure gas source 12 that the present invention supplies part passes through output pipe 13, third connector 31 and collection gas bag
14 connections are simultaneously in communication, and pressure gauge 15 is arranged on collection gas bag 14, and 16 one end of the first pipeline is connect and therewith with gas bag 14 is collected
Connection, the other end are connect by the first connector 17 with the second pipeline 18, the electromagnetic valve air inlet 29 of the second pipeline 18 and solenoid valve 6
Connection.Solenoid valve 6 is Direct Action Type 2/2-way solenoid valve, and the electromagnetism valve air gate 28 of solenoid valve 6 is connect with third pipeline 5, the
Three pipelines 5 are connect by the second connector 7 with the horizontal segment of intake elbow 8.
The collection gas bag 14 of the present embodiment uses the split type structure arranged apart with air filter, and split type structure can be with
More preferably, the space layout requirement of more flexible adaptation air filter, installation and maintenance are more convenient, production cost and difficulty
It spends lower.Collecting gas bag 14 can also be using the integrated structure with air filter disjunctor, and such arrangement is to whole system
Space layout is more demanding, but since respective line is simplified significantly, dust removing effects are even more ideal.
As shown in Fig. 2, the power supply 1 of electric control system of the present invention passes through the pulse control in plant-grid connection line 2 and electric-controlled box 3
Instrument 27 processed connects, and pulse control instrument 27 is connect by power of electromagnetic valve control line 4 with solenoid valve 6, real using pulse control instrument 27
The repeated multiple times gas collection process for now collecting gas bag 14, using the high-intensitive multiple back flushing filter core of air-flow, to thoroughly remove air mistake
Dust and contaminant particle inside filter；The reuse of main filter core 32 may be implemented in pulse backblowing self-cleaning function, can
Greatly extend the service life of main filter core 32, to substantially reduce the maintenance cost of air filter.Plant-grid connection line 2 it is another
One bypass is connect with the motor oscillating frequency controller 30 in electric-controlled box 3, and motor oscillating frequency controller 30 passes through vibration electricity
Electromechanical source control line 11 is connect with the connection jaws 35 of vibrating motor 25.It can be adjusted and be vibrated by motor oscillating frequency controller 30
The vibration frequency and vibration force of motor 25 are to adapt to different types.Vibrating motor 25 pats shell 23, makes the stubbornness on filter core
Dust falls off, and plays auxiliary ash-removal effect, further increases the return rate of filter core reverse gas cleaning, a greater degree of extension filter core
Service life reduces air filter maintenance cost.
Timing delay switch circuit can be selected in the primary electron component of pulse control instrument 27, so that it is portable to improve installation
Property, reduce manufacturing cost.The total duration of the adjustable pulse backblowing of pulse control instrument 27, single blowback is through-flow duration and arteries and veins
The parameters such as punching interval duration, to meet the blowback effect of various different model air filters.
The airflow channel diameter that first pipeline 16, the second pipeline 18, solenoid valve 6, intake elbow 5 and union elbow 8 form
Larger to blowback influential effect of the invention, airflow channel diameter of the invention is preferably that G1/4 " (2 points, Φ 8mm) arrives G4 " (4
Very little, Φ 102mm), it can be G1/4 " (2 points, Φ 8mm), G3/8 " (3 points, Φ 10mm), G1/2 " (4 points, Φ 15mm), G3/4 "
(6 points, Φ 20mm), G1 " (1 cun, Φ 25mm), G1-1/4 " (1.2 cun, Φ 32mm), G1-1/2 " (1.5 cun, Φ 40mm), G2 "
(2 cun, Φ 50mm), G2-1/2 " (2.5 cun, Φ 62mm), G3 " (3 cun, Φ 76mm), G3-1/2 " (3.5 cun, Φ 90mm) or G4 "
(4 cun, Φ 102mm).Airflow channel diameter is more preferably G3/4 " to G2 ".
In the use of the present invention, the present invention is mounted on automobile or other are needed in the equipment of air cleaning first, utilize
Unsintered tape or thread locking adhesive carry out anti-drain process at each screw thread, it is ensured that all parts of the present invention all firmly install.
Collection gas bag 14 is connected to pressure gas source 12 by third connector 31, which can be vehicle-mounted pressure gas source or factory's pressure
Contracting air gas source, pressure output are 0.5 ~ 1.0MPa.Electric-controlled box 3 is connected to power supply 1, the power supply 1 can for vehicle power supply or its
Its 24V DC power supply.
The course of work of the invention is as follows:
(1) when air filter works normally, outside air enters inside air filter from air inlet 26, dirty air warp
After crossing main filter core 32, most of dust debris rest on the outer surface of main filter core 32, and outside air then passes through safety filter element 33
Secondary filter is carried out, dust debris rest on 33 outer surface of safety filter element, are finally discharged from the gas outlet 9 of top, to engine
Gas supply.
(2) compressed air is transported in collection gas bag 14 by pressure gas source 12 by compressed air output pipe 13, and pressure is defeated
Out it is 0.5 ~ 1.0Mpa, by the compressed air energy accumulating state in observation 15 real-time monitoring collection gas bag 14 of pressure gauge, works as pressure gauge
When the pressure value of 15 feedbacks is equal to the output pressure value of pressure gas source 12, indicate that collection gas bag 14 is ready, it is primary to be blown
The pressure loss be less than the 30% of former pressure value.At this point, the spool of solenoid valve 6 is in close state, compressed air is from collection gas bag 14
Into the first pipeline 16, the first connector 17 and the second pipeline 18, but solenoid valve 6 can not be passed through.
(3) terminal user judges whether that needing to carry out blow back self-cleaning moves according to the pressure alarm 10 on air filter
Make or system is judged automatically according to program setting, such as to carry out blow back self-cleaning, opens the pulse control in electric-controlled box 3
Instrument 27 processed, solenoid valve 6 are opened under the control of pulse control instrument 27, and the compressed air of 29 side of electromagnetic valve air inlet can lead to moment
The spool for crossing solenoid valve 6 is ejected from electromagnetism valve air gate 28, enters air filtration by third pipeline 5 and intake elbow 8
Inside the safety filter element 33 of device, the pressure loss that collection gas bag 14 is once blown is less than the 30% of former pressure value.
(4) compressed air entered inside air filter 1 leads to its volume moment since environmental pressure moment reduces
Expansion forms a large amount of air fluid, and air fluid is since a period of time can not discharge, outside air filter and in safety filter element 33
Powerful pressure difference namely safety filter element 33 and 32 inner surface pressure of main filter core are generated much higher than its appearance surface pressure, formed by
It is interior to arrive outer air flow field.When air is gone out from inside to outside, 32 outer surface of 33 outer surface of safety filter element and main filter core will be attached to
Dust and sundries blow off, the dust and sundries that main 32 outer surface of filter core is fallen leave from air inlet 26 or ash discharging hole 20, due to
The active force of blowback acts on the inner surface of entire safety filter element 33, and active force is more uniform, therefore will not destroy filter core appearance
The filter paper in face.Ash-valve 19 is the moccasin rubber of duckbill, and the valve port of closure can prevent outside air from entering, while in inside
Pressure opens the pollutants such as discharge dust when being greater than external pressure.
(5) if you need to use vibrating function, only motor oscillating frequency controller 30 need to be opened, vibrating motor 25 according to setting in advance
The vibration frequency set pats vibration air filter, and the dust on filter core is made to be easier to fall, to play the work of auxiliary deashing
With.Vibration force controls within the acceptable fatigue strength of air filter, is no more than 160kg, and vibration frequency is set as air
The resonant frequency of filter or near resonant frequency.Vibration force and vibration frequency can be carried out according to air filter specification
Selection, the installation site of vibrating motor 25 can space layout according to the present invention specifically set.
(6) 6 spool opening time of solenoid valve closed solenoid valve 6, pressure gas source 12 is again to collection gas bag 14 after 0.05 ~ 1 second
Compressed air is provided, until output pressure value of the pressure value equal to pressure gas source 12 that pressure gauge 15 is fed back, expression accumulation of energy
Terminate, the accumulation of energy time is between 1 second ~ 1 minute, then opens the spool of solenoid valve 6, and powerful air fluid is again introduced into air mistake
Filter is internal to carry out blow back self-cleaning movement, and the interval time of the opening and closing of 6 valve of solenoid valve is controlled by pulse control instrument 27,
So circulation repeatedly operation until filter core it is completely clean, the single blowback cleaning operation of the present embodiment about need circulation 20 ~
100 times.Each total duration of Pulse Cleaning, the number of single blowback, single open and close time according to collection gas bag 14
Amount of capacity, the shape of the pressure recharge rate of pressure gas source 12 and air filter, size determine.
(7) the part dust outside the dust and main filter core 32 outside safety filter element 33 is deposited on the end of bottom due to gravity
In lid 34, it can according to need after using for a longer period of the invention, open the end cap 34 of air filter bottom, bottom is discharged
The dust in portion.
Above description is explanation of the invention, is not intended to limit the invention, without departing from the spirit of the invention,
The present invention can make any type of modification.Such as the structure of air filter of the invention is in addition to traditional axial seal, diameter
To sealing air filter, it is also possible to the air filter of novel cellular filter core and the special-shaped filter core that various shape is different.
Claims (10)
1. a kind of automatically cleaning air filter, the main filter core (32) of setting in air filter housing (23), in shell (23) side
Air inlet (26) are arranged in face, gas outlet (9) are arranged in shell (23) upper end, it is characterised in that: pressure gas source (12) passes through pipeline
It is connected to solenoid valve (6), solenoid valve (6) is by being provided with row in shell (23) bottom in piping connection to safety filter element (33)
Grey mouth (20).
2. automatically cleaning air filter described in accordance with the claim 1, it is characterised in that: pressure gas source (12) and solenoid valve (6)
Between be connected with collection gas bag (14), collection gas bag (14) on be provided with pressure gauge (15).
3. automatically cleaning air filter described in accordance with the claim 1, it is characterised in that: solenoid valve (6) passes through pulse control instrument
(27) it is connect with power supply (1).
4. automatically cleaning air filter described in accordance with the claim 1, it is characterised in that: safety filter element is arranged in main filter core (32)
(33), intake elbow (8) one end is connect with solenoid valve (6), and the other end is internal towards safety filter element (33).
5. automatically cleaning air filter described in accordance with the claim 1, it is characterised in that: set in the external lower section side of shell (23)
It is equipped with vibrating motor (25), vibrating motor (25) is connect by motor oscillating frequency controller (30) with power supply (1).
6. automatically cleaning air filter described in accordance with the claim 1, it is characterised in that: the end of the ash discharging hole (20) is arranged
There are ash-valve (19)；In the side of gas outlet (9), pressure alarm (10) are set；Pipeline diameter is G1/4 " to G4 "；In shell
(23) bottom setting end cap (34).
7. a kind of automatically cleaning step using air filter described in claim 1, characterized by the following steps:
S1, air filter progress air filtration is opened, outside air enters from air inlet (26), by main filter core (32) and peace
Full filter core (33) filtering, is discharged from gas outlet (9)；
S2, pressure gas source (12) are opened, compressed air is full of pipeline, when the pressure value of pressure gauge (15) feedback is equal to pressure gas source
(12) when output pressure value, accumulation of energy is finished, but solenoid valve (6) is closed；
S3, solenoid valve (6) are opened, compressed air enters blowback inside filter core, and dust debris are discharged from ash discharging hole (20).
8. the automatically cleaning step of air filter according to claim 7, it is characterised in that: the step S3 further include:
Solenoid valve (6) are controlled using pulse control instrument (27), after solenoid valve (6) opening time 0.05 ~ 1 second, are closed solenoid valve (6),
Solenoid valve (6) opens solenoid valve (6) after closing 1 second ~ 1 minute, so recycles operation repeatedly until filter core is completely clean.
9. the automatically cleaning step of air filter according to claim 7, it is characterised in that: the step S3 further include:
It opens motor oscillating frequency controller (30), vibrating motor (25) pats vibration air filter, holds that the dust on filter core more
Easily fall.
10. the automatically cleaning step of air filter according to claim 7, it is characterised in that: further include step S4: opening
End cap (34), is discharged the dust of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134702.3A CN108970284A (en) | 2018-09-28 | 2018-09-28 | Automatically cleaning air filter and its automatically cleaning step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134702.3A CN108970284A (en) | 2018-09-28 | 2018-09-28 | Automatically cleaning air filter and its automatically cleaning step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108970284A true CN108970284A (en) | 2018-12-11 |
Family
ID=64544038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134702.3A Pending CN108970284A (en) | 2018-09-28 | 2018-09-28 | Automatically cleaning air filter and its automatically cleaning step |
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| CN (1) | CN108970284A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170213A (en) * | 2019-03-22 | 2019-08-27 | 台南白熊企业有限公司 | Air cleaner |
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
| CN111360456A (en) * | 2020-03-24 | 2020-07-03 | 上海外高桥造船有限公司 | Welding machine gas collection bag and mobile welding machine box comprising same |
| CN113006984A (en) * | 2021-04-15 | 2021-06-22 | 上海挽丰企业咨询工作室 | Long-acting maintenance-free air filtering device |
| CN113757004A (en) * | 2021-09-14 | 2021-12-07 | 中国北方车辆研究所 | Air filter capable of being maintained without disassembly |
| CN113882977A (en) * | 2021-08-31 | 2022-01-04 | 三一专用汽车有限责任公司 | Air filter cleaning method, air filter cleaning device, air filter and engineering vehicle |
| CN114044364A (en) * | 2021-11-01 | 2022-02-15 | 纽普兰能源科技(镇江)有限公司 | Multistage pneumatic ash conveying system and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110170213A (en) * | 2019-03-22 | 2019-08-27 | 台南白熊企业有限公司 | Air cleaner |
| CN110354593A (en) * | 2019-06-27 | 2019-10-22 | 三一重机有限公司 | A kind of automatically cleaning dust-extraction unit and vehicle |
| CN111360456A (en) * | 2020-03-24 | 2020-07-03 | 上海外高桥造船有限公司 | Welding machine gas collection bag and mobile welding machine box comprising same |
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| CN113882977A (en) * | 2021-08-31 | 2022-01-04 | 三一专用汽车有限责任公司 | Air filter cleaning method, air filter cleaning device, air filter and engineering vehicle |
| CN113757004A (en) * | 2021-09-14 | 2021-12-07 | 中国北方车辆研究所 | Air filter capable of being maintained without disassembly |
| CN114044364A (en) * | 2021-11-01 | 2022-02-15 | 纽普兰能源科技(镇江)有限公司 | Multistage pneumatic ash conveying system and using method |
| CN114044364B (en) * | 2021-11-01 | 2023-06-13 | 纽普兰能源科技(镇江)有限公司 | Multistage pneumatic ash conveying system and use method |
| CN114607538A (en) * | 2022-03-02 | 2022-06-10 | 安徽工业大学 | Self-cleaning air filter |
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