CN113877352A - Dust filter and system thereof - Google Patents
Dust filter and system thereof Download PDFInfo
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- CN113877352A CN113877352A CN202111332118.0A CN202111332118A CN113877352A CN 113877352 A CN113877352 A CN 113877352A CN 202111332118 A CN202111332118 A CN 202111332118A CN 113877352 A CN113877352 A CN 113877352A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The embodiment of the invention provides a dust filter and a system thereof, relating to the technical field of dust filtration. The dust filter comprises an upper cavity, a turbine blade, a water filter, a lower cavity and an air outlet channel, wherein the upper cavity is provided with an air inlet; the turbine blade is arranged in the air inlet, the turbine blade and the air inlet are coaxially arranged, and the turbine blade is used for guiding the gas entering the air inlet to the inner wall of the upper cavity; the water filter is arranged on the inner wall of the upper cavity and is used for filtering water in the gas; the lower cavity is detachably connected with the upper cavity; the gas outlet channel is arranged in the middle of the lower cavity and communicated with the outside, a gas outlet inlet is formed in the upper end of the gas outlet channel, a filtering component is arranged on the gas outlet inlet, and a dust collecting cavity is formed by the side wall of the gas outlet channel and the outer wall of the lower cavity in an enclosing mode. The dust filter and the system thereof can efficiently and thoroughly filter moisture and dust in the gas and prevent the dust from adhering to the filter assembly.
Description
Technical Field
The invention relates to the technical field of dust filtration, in particular to a dust filter and a system thereof.
Background
With the rise of industries such as photovoltaic, semiconductor, pharmacy and the like, a large amount of dust particles are generated in various manufacturing processes, and the dust is a main reason for the failure and maintenance of a vacuum pump and also pollutes the environment and is harmful to health. In order to avoid the situation, a dust filtering device is generally required to be connected to the vacuum pump so as to prevent dust from entering the vacuum pump, but the filtering equipment in the market cannot perform filtering well at present, and part of tiny dust still flows out after filtering.
Disclosure of Invention
The invention aims to provide a dust filter and a system thereof, which can efficiently and thoroughly filter moisture and dust in gas and prevent the dust from adhering to a filter assembly.
Embodiments of the invention may be implemented as follows:
in a first aspect, the present invention provides a dust filter comprising:
the upper cavity is provided with an air inlet;
the turbine blade is arranged in the air inlet, is arranged coaxially with the air inlet and is used for guiding the gas entering the air inlet to the inner wall of the upper cavity;
the water filter is arranged on the inner wall of the upper cavity and is used for filtering water in the gas;
the lower cavity is detachably connected with the upper cavity;
the gas outlet channel is arranged in the middle of the lower cavity and communicated with the outside, a gas outlet inlet is formed in the upper end of the gas outlet channel, a filtering component is arranged on the gas outlet inlet, and a dust collecting cavity is formed by the side wall of the gas outlet channel and the outer wall of the lower cavity in an enclosing mode.
The dust filter provided by the embodiment at least comprises the following technical effects:
1. the turbine blades can guide the gas entering the gas inlet to the inner wall of the upper cavity, so that the moisture in the gas is thoroughly filtered by the water filter, and the dust is prevented from being adhered to the filter assembly;
2. the dust in the gas can be guided to the dust collecting cavity through the turbine blades, and under the action of the self gravity and the filtering action of the filtering component, the dust is favorably collected in the dust collecting cavity, so that the dust collecting efficiency is improved;
3. the dust collecting cavity and the filter assembly are both positioned on the lower cavity, the lower cavity is detachably connected with the upper cavity, the lower cavity is convenient to detach, the dust collecting cavity is cleaned, and the filter assembly is also convenient to detach for cleaning or replacing.
In an alternative embodiment, the dust filter further comprises:
and the motor is arranged in the air inlet and is connected with the turbine blade.
Like this, set up motor drive turbine blade, be favorable to improving gaseous flow rate to, turbine blade drives gaseous rotation, and gaseous under the effect of centrifugal force, the inner wall of cavity can reach completely, makes gaseous filtration through the water purifier completely, and the dust in the gas also reaches the top in dust collection chamber completely.
In an alternative embodiment, the dust filter further comprises:
the support is installed in the air inlet, and the motor is installed on the support, and the motor passes through the transmission shaft and is connected with turbine blade.
In an alternative embodiment, the dust filter further comprises:
and the sealing cover is covered on the motor and is connected with the bracket.
In this way, the sealing cover enables the motor to be kept out of contact with the gas, avoiding the motor to be in contact with impurities in the gas, in particular, corrosive substances.
In an alternative embodiment, a turbine blade comprises:
the guide base is horn-shaped, and the outer surface of the guide base is used for guiding gas to the inner wall of the upper cavity;
and the guide piece is connected to the outer surface of the guide base and is used for driving the gas to spirally descend.
Therefore, the turbine blade is simple in structural form and good in gas guiding effect, the gas can flow towards the inner wall of the upper cavity, and the gas flows downwards under the action of self gravity.
In an alternative embodiment, a plurality of water filters are mounted on the inner wall of the upper chamber at regular intervals, and the filters are perpendicular to the inner wall of the upper chamber.
Like this, the filter effect to moisture can be guaranteed to a plurality of water filtrations, and moreover, gas is the decurrent direction of spiral and removes on the inner wall of last cavity, and the whole filtering surface of the filter of perpendicular setting all can be used for filtering the moisture in the gas, and filtration efficiency is higher.
In an optional embodiment, the plurality of air outlet inlets are uniformly arranged along the outer circumferential surface of the air outlet channel at intervals, and the filtering component is annular, is sleeved on the outer circumferential surface of the air outlet channel and shields the air outlet inlets.
Therefore, the total area of the air outlet inlet is larger, the air outlet inlet is completely covered by the filter assembly, the condition that the flowing air does not pass through the filter assembly does not exist, particularly, the surface area of the filter assembly can be designed to be larger, and the filtering efficiency is improved.
In an optional embodiment, the outer wall of the lower cavity is provided with a through hole, and observation glass is installed in the through hole.
Like this, through observing glass, make the user can look over the collection volume of dust in the dust collection chamber and filter assembly's state at any time to in time clear up the dust collection chamber or maintain filter assembly.
In a second aspect, the present disclosure provides a dust filtration system comprising a dust filter of any of the preceding embodiments.
Therefore, the dust filter is arranged in the dust filtering system, so that the moisture and dust in the gas can be efficiently and thoroughly filtered, and the dust is prevented from being adhered to the filtering component.
In an alternative embodiment, the dust filtration system further comprises:
the first three-way valve comprises an A port, a B port and a C port, wherein the A port is used for communicating the air inlet pipe;
the second three-way valve comprises a port D, a port E and a port F, wherein the port F is used for communicating the air outlet pipe;
the inlet of the first filtering device is communicated with the port B, and the outlet of the first filtering device is communicated with the port E;
the inlet of the second filtering device is communicated with the port C, and the outlet of the second filtering device is communicated with the port D;
wherein at least one of the first filtering device and the second filtering device is a dust filter.
Therefore, the first filtering device and the second filtering device in the dust filtering system can be used alternately or simultaneously, when one filtering device needs to be maintained, the other filtering device can work continuously, the system keeps a filtering function, and the effect of maintaining the filtering devices without stopping in practical application scenes is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a dust filter according to a first embodiment of the present invention;
FIG. 2 is a schematic view, in full section, of a dust filter according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a turbine blade configuration;
fig. 4 is a schematic composition diagram of a dust filter system according to a second embodiment of the present invention.
Icon: 100-a dust filter; 110-an upper cavity; 111-an air inlet; 120-a scaffold; 130-a motor; 140-a sealing cover; 150-a drive shaft; 160-turbine blades; 161-a guide base; 162-a guide tab; 170-a water filter; 180-lower cavity; 190-air outlet channel; 191-an air outlet inlet; 200-a dust collection chamber; 210-a filter assembly; 211-filter cotton; 212-stainless steel sintered filter element; 220-observation glass; 230-a dust filtration system; 231-an intake pipe; 232-barometer; 233-pressure relief valve; 234-a first three-way valve; 235-a second three-way valve; 236-a first filtration device; 237-a second filtration device; 238-air outlet pipe; 240-cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
First embodiment
Referring to fig. 1 and 2, the present embodiment provides a dust filter 100, which can be used in all fields requiring dust or moisture filtering for gas, especially in semiconductor field, and can filter gas in a vacuum pump.
The dust filter 100 includes an upper chamber 110, a bracket 120, a motor 130, a sealing cover 140, a turbine blade 160, a water filter 170, a cover 240, a lower chamber 180, a filter assembly 210, and an outlet duct 190.
Specifically, the upper cavity 110 is a revolving body structure, the middle of the top end of the upper cavity 110 is provided with an air inlet 111, the bracket 120 is installed in the air inlet 111, the motor 130 is installed on the bracket 120, the sealing cover 140 covers the motor 130 and is connected with the bracket 120, and a sealing ring can be clamped between the sealing cover 140 and the bracket 120 to prevent corrosive gas from passing through. In this way, the sealing cover 140 can prevent the motor 130 from contacting the gas, and prevent the motor 130 from contacting impurities in the gas, particularly, from contacting corrosive substances.
The turbine blade 160 is installed inside the air inlet 111, the turbine blade 160 is coaxially arranged with the air inlet 111, the motor 130 is connected with the turbine blade 160 through the transmission shaft 150, the turbine blade 160 is used for guiding the gas entering the air inlet 111 to the inner wall of the upper cavity 110, thus, the motor 130 is arranged to drive the turbine blade 160, which is beneficial to improving the flow rate of the gas, in addition, the turbine blade 160 drives the gas to rotate, the gas can completely reach the inner wall of the upper cavity 110 under the action of centrifugal force, because the water filter 170 is installed on the inner wall of the upper cavity 110, the gas completely passes through the filtration of the water filter 170, and the dust in the gas also completely reaches the upper part of the dust collection cavity 200.
It will be appreciated that in other embodiments, the motor 130 may not be provided to drive the turbine blades 160, and the turbine blades 160 may be driven by the kinetic energy of the gas, such that the turbine blades 160 are also capable of directing the gas, and the structure itself is capable of directing the gas even if the turbine blades 160 are not rotating.
A water filter 170 is installed on an inner wall of the upper chamber 110, and the water filter 170 serves to filter moisture in the gas. In this embodiment, a plurality of water filters 170 are uniformly installed at intervals on the inner wall of the upper chamber 110, and the water filters 170 are perpendicular to the inner wall of the upper chamber 110. Like this, the filter effect to moisture can be guaranteed to a plurality of water filters 170, and moreover, gas is the spiral direction removal that is down on the inner wall of last cavity 110, and the whole filtering surface of the water filter 170 of perpendicular setting all can be used for filtering the moisture in the gas, and filtration efficiency is higher.
The cover 240 is connected to the top ends of the plurality of water filters 170 to block the passages between the water filters 170, thereby ensuring that all the gas guided by the turbine blade 160 can pass through the water filters 170, and improving the filtering effect. In this embodiment, the cover 240 may have a flat structure, an umbrella structure, or a trapezoid structure.
The lower cavity 180 is also a revolving structure, and the lower cavity 180 is detachably connected with the upper cavity 110. The gas outlet channel 190 is arranged in the middle of the lower cavity 180 and communicated with the outside, a gas outlet inlet 191 is formed in the upper end of the gas outlet channel 190, a filtering component 210 is arranged on the gas outlet inlet 191, and the side wall of the gas outlet channel 190 and the outer wall of the lower cavity 180 enclose a dust collecting cavity 200.
In this embodiment, the plurality of air outlet inlets 191 are uniformly spaced along the outer circumferential surface of the air outlet channel 190, and the filter element 210 is annular and is sleeved on the outer circumferential surface of the air outlet channel 190 and covers the air outlet inlets 191. Thus, the total area of the gas outlet 191 is large and is completely covered by the filter assembly 210, so that the condition that the gas flowing out does not pass through the filter assembly 210 does not exist, and particularly, the surface area of the filter assembly 210 can be designed to be large, thereby improving the filtering efficiency.
Wherein, filtering component 210 includes filter pulp 211 and stainless steel sintering filter core 212, and filter pulp 211 and stainless steel sintering filter core 212 are the annular structure, and stainless steel sintering filter core 212 cover is established on the outer peripheral face of gas outlet duct 190, and filter pulp 211 cover is established on the outer peripheral face of stainless steel sintering filter core 212, and gaseous will be in proper order through filter pulp 211 and stainless steel sintering filter core 212 entering gas outlet duct 190, and wherein, glass fiber filter pulp can specifically be selected for use to filter pulp 211, has high temperature resistant, anti chemical corrosion's performance.
The outer wall of the lower cavity 180 is provided with a through hole, and observation glass 220 is arranged in the through hole. Thus, by observing the glass 220, the user can check the dust collection amount in the dust collection chamber 200 and the state of the filter assembly 210 at any time, so as to clean the dust collection chamber 200 or maintain the filter assembly 210 in time.
Referring to fig. 3, the turbine blade 160 includes a guide base 161 and a guide vane 162, wherein the guide base 161 is flared, and an outer surface of the guide base 161 is used to guide gas to an inner wall of the upper chamber 110. A guide piece 162 is attached to the outer surface of the guide base 161, and the guide piece 162 serves to drive the gas to spirally descend. Thus, the turbine blade 160 has a simple structure and a good guiding effect for the gas, and the gas can flow toward the inner wall of the upper chamber 110 and then flow downward under the action of its own weight.
The working process of the dust filter 100 according to the present embodiment:
firstly, the starting motor 130 drives the turbine blade 160 to rotate, the gas enters the gas inlet 111, the gas flows to the inner wall of the upper cavity 110 and flows in a spiral downward mode under the guiding action of the turbine blade 160, and meanwhile, large particle dust in the gas directly falls into the dust collecting cavity 200 along the inner wall of the upper cavity 110;
then, the gas passes through the water filter 170, and the moisture in the gas is filtered by the water filter 170;
finally, the gas passes through the filter assembly 210 and flows out of the gas outlet channel 190, and meanwhile, the small particle dust in the gas is filtered by the filter assembly 210 and falls into the dust collection chamber 200.
The beneficial effects of the dust filter 100 provided by the embodiment include:
1. the gas entering the gas inlet 111 can be guided to the inner wall of the upper chamber 110 by the turbine blade 160, so that the moisture in the gas is completely filtered by the water filter 170, and the dust is prevented from adhering to the filter assembly 210;
2. the dust in the gas can be guided to the dust collecting cavity 200 through the turbine blade 160, and the dust is beneficial to being collected in the dust collecting cavity 200 under the self gravity and the filtering action of the filtering component 210, so that the dust collecting efficiency is improved;
3. the dust collection cavity 200 and the filter assembly 210 are both positioned on the lower cavity 180, and the lower cavity 180 is detachably connected with the upper cavity 110, so that the lower cavity 180 can be conveniently detached, the dust collection cavity 200 can be cleaned, and the filter assembly 210 can be conveniently detached for cleaning or replacing;
4. the motor 130 is arranged to drive the turbine blade 160, which is beneficial to improving the flow rate of the gas, and the turbine blade 160 drives the gas to rotate, so that the gas can completely reach the inner wall of the upper cavity 110 under the action of centrifugal force, the gas is completely filtered by the water filter 170, and the dust in the gas also completely reaches the upper part of the dust collection cavity 200;
5. the turbine blade 160 has a simple structural form, and has a good guiding effect on gas, wherein the gas can flow towards the inner wall of the upper cavity 110, and then flows downwards under the action of self gravity;
6. by observing the glass 220, a user can check the dust collection amount in the dust collection chamber 200 and the state of the filter assembly 210 at any time, so that the dust collection chamber 200 can be cleaned or the filter assembly 210 can be maintained in time.
Second embodiment
Referring to fig. 4, the present embodiment provides a dust filtering system 230, and the dust filtering system 230 includes an air inlet pipe 231, an air pressure gauge 232, a pressure relief valve 233, a first three-way valve 234, a second three-way valve 235, a first filtering device 236, a second filtering device 237, and an air outlet pipe 238. The first three-way valve 234 includes a port a, a port B, and a port C, and the second three-way valve 235 includes a port D, a port E, and a port F.
Specifically, the inlet pipe 231, the barometer 232, the pressure relief valve 233 and the port a of the first three-way valve 234 are sequentially communicated, the inlet of the first filtering device 236 is communicated with the port B, the outlet of the first filtering device 236 is communicated with the port E, the inlet of the second filtering device 237 is communicated with the port C, the outlet of the second filtering device 237 is communicated with the port D, and the port F of the second three-way valve 235 is communicated with the outlet pipe 238. Thus, the gas passes through the gas pressure gauge 232 and the relief valve 233, and the gas pressure in the filter device can be prevented from being excessively high, thereby improving safety.
The first filtering device 236 and the second filtering device 237 are equivalent to a parallel connection mode, so that the first filtering device 236 and the second filtering device 237 in the dust filtering system 230 can be used alternately or simultaneously, when one filtering device needs maintenance, the other filtering device can work continuously, the system keeps a filtering function, the effect of maintaining the filtering devices without stopping in a practical application scene is achieved, and the production cycle of a user is not influenced.
At least one of the first filter device 236 and the second filter device 237 is the dust filter 100, but the dust filter 100 may be used for both the first filter device 236 and the second filter device 237 if the cost allows. In this way, the dust filter 100 provided in the dust filter system 230 can efficiently and thoroughly filter moisture and dust in the gas, and prevent dust from adhering to the filter unit 210.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A dust filter, comprising:
the upper cavity (110) is provided with an air inlet (111);
a turbine blade (160) installed inside the gas inlet (111), the turbine blade (160) being coaxially disposed with the gas inlet (111), the turbine blade (160) being for guiding the gas entering the gas inlet (111) to an inner wall of the upper chamber (110);
a water filter (170) mounted on an inner wall of the upper chamber (110), the water filter (170) for filtering moisture in the gas;
a lower chamber (180) detachably connected to the upper chamber (110);
the gas outlet channel (190) is arranged in the middle of the lower cavity (180) and communicated with the outside, a gas outlet inlet (191) is formed in the upper end of the gas outlet channel (190), a filtering component (210) is arranged on the gas outlet inlet (191), and a dust collecting cavity (200) is formed by the side wall of the gas outlet channel (190) and the outer wall of the lower cavity (180) in a surrounding mode.
2. The dust filter of claim 1, further comprising:
and a motor (130) installed in the air inlet (111) and connected to the turbine blade (160).
3. The dust filter of claim 2, further comprising:
a bracket (120) installed in the air inlet (111), the motor (130) installed on the bracket (120), the motor (130) connected with the turbine blade (160) through a transmission shaft (150).
4. The dust filter of claim 3, further comprising:
and the sealing cover (140) covers the motor (130) and is connected with the bracket (120).
5. The dust filter of claim 1, wherein the turbine blade (160) comprises:
a guide base (161) having a horn shape, an outer surface of the guide base (161) being used to guide the gas to an inner wall of the upper chamber (110);
and a guide piece (162) connected to an outer surface of the guide base (161), wherein the guide piece (162) is used for driving the gas to spirally descend.
6. A dust filter according to claim 1, wherein a plurality of the water filters (170) are installed on the inner wall of the upper chamber (110) at regular intervals, and the filter is perpendicular to the inner wall of the upper chamber (110).
7. The dust filter according to claim 1, wherein the plurality of air outlet inlets (191) are uniformly spaced along the outer circumferential surface of the air outlet channel (190), and the filter element (210) is annular and is sleeved on the outer circumferential surface of the air outlet channel (190) and shields the air outlet inlets (191).
8. The dust filter of claim 1, wherein the outer wall of the lower cavity (180) is provided with a through hole, and the through hole is internally provided with an observation glass (220).
9. A dust filtration system comprising a dust filter according to any one of claims 1 to 8.
10. The dust filter system of claim 9, further comprising:
the first three-way valve (234) comprises an A port, a B port and a C port, wherein the A port is used for communicating with an air inlet pipe (231);
a second three-way valve (235) comprising a port D, a port E and a port F, wherein the port F is used for communicating with the air outlet pipe (238);
a first filter device (236), an inlet of the first filter device (236) being in communication with the port B, an outlet of the first filter device (236) being in communication with the port E;
a second filtering device (237), an inlet of the second filtering device (237) being in communication with the port C, an outlet of the second filtering device (237) being in communication with the port D;
wherein at least one of the first filter device (236) and the second filter device (237) is the dust filter.
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| CN202111332118.0A CN113877352B (en) | 2021-11-11 | 2021-11-11 | Dust filter and system thereof |
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| CN202111332118.0A CN113877352B (en) | 2021-11-11 | 2021-11-11 | Dust filter and system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115608075A (en) * | 2022-10-28 | 2023-01-17 | 江苏爱吉科纺织机械有限公司 | A high-efficient air filter for spinning machine |
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