CN117282265A - Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen - Google Patents

Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen Download PDF

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Publication number
CN117282265A
CN117282265A CN202311250011.0A CN202311250011A CN117282265A CN 117282265 A CN117282265 A CN 117282265A CN 202311250011 A CN202311250011 A CN 202311250011A CN 117282265 A CN117282265 A CN 117282265A
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CN
China
Prior art keywords
tank body
filter screen
adsorption
adsorption tank
molecular sieve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311250011.0A
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Chinese (zh)
Inventor
徐迎石
王金龙
吴兴华
杨晨玲
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Jiangsu Hengdali Gas Co ltd
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Jiangsu Hengdali Gas Co ltd
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Priority to CN202311250011.0A priority Critical patent/CN117282265A/en
Publication of CN117282265A publication Critical patent/CN117282265A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/88Handling or mounting catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8671Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/88Handling or mounting catalysts
    • B01D53/885Devices in general for catalytic purification of waste gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/10Single element gases other than halogens
    • B01D2257/102Nitrogen

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

The invention discloses a molecular sieve absorber with a rotatable filter screen and convenient filter screen cleaning, which comprises an adsorption tank body, wherein one side of the adsorption tank body is symmetrically provided with a regeneration air inlet pipe, the middle end of the bottom end of the adsorption tank body is connected with a recovery pipe in a penetrating way, and the bottom end of the adsorption tank body is symmetrically provided with an air inlet pipe; the inside of the adsorption tank body is provided with adsorption mechanism, adsorption mechanism adjusts purification material quantity according to the quantity of retrieving nitrogen gas, promotes purification material to nitrogen gas treatment's efficiency, and the top of the adsorption tank body is provided with handles the box bottom, the inside of handling the box is provided with regeneration mechanism, regeneration mechanism carries out regeneration to the inside purification material of adsorption tank body. The arc-shaped fan blades with different widths are arranged, the introduced nitrogen is utilized to directly transversely blow the arc-shaped fan blades, the arc-shaped fan blades are utilized to drive the adsorption net cage to rotate, and the speed of adsorbing impurities by the catalyst inside the adsorption net cage is increased.

Description

Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen
Technical Field
The invention relates to the technical field of molecular sieve adsorbers, in particular to a molecular sieve adsorber with a rotatable filter screen and convenient filter screen cleaning.
Background
In the vertical adsorber, the air flow is symmetrically and uniformly distributed in the adsorption layer, the height of the adsorption layer can be freely selected according to the requirement, so that the function of the adsorbent can be fully exerted, however, as the requirement of the technological process on the capability of treating raw gas of the adsorber is increased, the specification of the adsorber is larger and larger, and the diameter of the adsorber is mainly increased, so that the flow area of the adsorption layer is increased.
In order to ensure continuous operation of the system, two molecular sieve adsorbers are arranged in a single set of air separation project, the two molecular sieve adsorbers are used in a switching way, when the molecular sieve is depressurized after being recycled, adsorbed nitrogen is released from the molecular sieve to obtain regeneration, and part of oxygen-enriched gas is reversely blown in a countercurrent direction;
the molecular sieve is a synthetic hydrated aluminosilicate or natural zeolite with molecular screening function, and has high adsorption capacity, strong selectivity and high temperature resistance. At present, when molecular sieve oxygen production is carried out, the problems of troublesome cleaning and replacement of the molecular sieve are commonly existed, and the molecular sieve is mainly of an integrated structure, so that the quantity of the molecular sieve is difficult to adjust according to the quantity of waste nitrogen in the use process, and the effect of waste nitrogen treatment is affected.
Disclosure of Invention
The invention aims to provide a molecular sieve absorber which can rotate a filter screen and is convenient for cleaning the filter screen, so as to solve the defects caused by the prior art.
The molecular sieve adsorber comprises an adsorption tank body, wherein a regeneration air inlet pipe is symmetrically arranged on one side of the adsorption tank body, a recovery pipe fitting is connected to the middle end of the bottom end of the adsorption tank body in a penetrating manner, and air inlet pipes are symmetrically arranged at the bottom end of the adsorption tank body;
an adsorption mechanism is arranged in the adsorption tank body, the adsorption mechanism adjusts the quantity of the purifying materials according to the quantity of the recovered nitrogen, the efficiency of the purifying materials on nitrogen treatment is improved,
the top of the adsorption tank body is provided with a treatment tank body bottom end, a regeneration mechanism is arranged in the treatment tank body and is used for carrying out regeneration treatment on the purification material in the adsorption tank body, and the other side of the adsorption tank body is connected with an adsorption regeneration exhaust pipe in a penetrating way.
Preferably, the adsorption mechanism comprises a polluted nitrogen inlet pipe, adsorption pipe fittings, an adsorption net cage, arc-shaped fan blades, a throat hoop seat and an inner container, wherein the polluted nitrogen inlet pipe is symmetrically arranged on two sides of an adsorption tank body, the adsorption pipe fittings are symmetrically arranged in the adsorption tank body, the outer sides of the adsorption pipe fittings are penetrated and provided with a plurality of groups of adsorption net cages with consistent structures, the bottom ends of the adsorption net cages are annularly provided with the arc-shaped fan blades, the throat hoop seat is arranged under the arc-shaped fan blades, and the inner container is symmetrically arranged in the adsorption tank body.
Preferably, a plurality of groups of adsorption net boxes are arranged in the inner container, and 2 groups of adsorption net boxes are connected through a hose clamp seat arranged at the bottom end of the arc-shaped fan blade.
Preferably, the adsorption tank body is connected with the air outlet end of the air heater through a regeneration air inlet pipe symmetrically arranged on the outer side.
Preferably, the regeneration mechanism comprises an air heater, an air supply pipe fitting, a purifying tank, a drying filter element, a drying disc body and a purifying pipeline, wherein the drying disc body is symmetrically arranged inside the treatment box body, the purifying tank is symmetrically arranged inside the treatment box body, the purifying pipeline is arranged at the top end of the drying disc body, the drying filter element is connected to the outer side of the purifying pipeline, and the air supply pipe fitting is symmetrically and penetratingly connected to one side of the treatment box body.
Preferably, the drying tray body is connected with the air supply pipe through a treatment box body arranged on the outer side.
Preferably, the adsorption tank body is connected with the bottom ends of the two groups of inner containers through an air inlet pipe arranged at the bottom end.
Preferably, the air heater is connected with the other side of the inner container through a regeneration air inlet pipe arranged at the outer end of the adsorption tank body.
Compared with the prior art, the invention has the following advantages:
1. the method has the advantages that the arc-shaped fan blades with different widths are arranged, the introduced nitrogen is utilized to directly transversely blow the arc-shaped fan blades, the arc-shaped fan blades are utilized to drive the adsorption net box to rotate, the speed of adsorbing impurities by the catalyst inside the adsorption net box is increased, the adsorption net boxes arranged below the adsorption net box are positioned through the hose clamp seats at the bottom ends of the arc-shaped fan blades, a plurality of groups of adsorption net boxes are assembled and positioned according to the introduced quantity of the nitrogen, meanwhile, the catalyst inside the adsorption net boxes is conveniently blown and cleaned, the broken dust of the catalyst is conveniently blown and cleaned, the requirements of adsorption and analytic switching use are met, the independent operation functions of two molecular sieve adsorbers are met by one tower, and the occupied area of the tower body is greatly reduced;
2. when needs are cleared up the adsorption net cage, through the air heater with high temperature gas injection to the inside of adsorption net cage, drive multiunit adsorption net cage through utilizing the arc flabellum and rotate, and then 365 degrees drive adsorption net cage and rotate, accelerate the speed that catalyst drying or harmful substance break away from, will handle the back gaseous injection through the drying disk body, can volatilize moisture and inorganic matter under the high temperature, molecular sieve self material loss is minimum, washes the molecular sieve bed with ammonia simultaneously. The regenerated molecular sieve adsorption tower must be cooled and then subjected to adsorption operation.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic top-down view of the inner container of the present invention.
Fig. 3 is a schematic diagram of the structure of the adsorption tank in the invention in a front section.
Fig. 4 is a schematic view of the structure of the processing box body according to the present invention.
Fig. 5 is a schematic bottom view of the adsorption net cage according to the present invention.
Fig. 6 is a schematic view of a front cross-section of a treatment tank according to the present invention.
Fig. 7 is a schematic diagram of the operation flow of the device in the present invention.
Wherein:
1. an adsorption tank body; 2. a regeneration air inlet pipe; 3. a dirty nitrogen inlet pipe; 4. a treatment box body; 5. an air heater; 6. an air supply pipe fitting; 7. adsorbing the pipe fitting; 8. adsorbing a net cage; 9. arc-shaped fan blades; 10. an adsorption mechanism; 11. recovering the pipe fitting; 12. an air inlet pipe; 13. a purifying tank; 14. drying the filter element; 15. a regeneration exhaust pipe; 16. a laryngeal cuff seat; 17. drying the tray body; 18. a purge line; 19. a regeneration mechanism; 20. an inner container.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 7, the molecular sieve adsorber with a rotatable filter screen and convenient filter screen cleaning comprises an adsorption tank body 1, wherein a regeneration air inlet pipe 2 is symmetrically arranged on one side of the adsorption tank body 1, a recovery pipe fitting 11 is connected to the middle end of the bottom end of the adsorption tank body 1 in a penetrating manner, and air inlet pipes 12 are symmetrically arranged at the bottom end of the adsorption tank body 1;
an adsorption mechanism 10 is arranged in the adsorption tank body 1, the adsorption mechanism 10 adjusts the quantity of the purifying materials according to the quantity of the recovered nitrogen, improves the efficiency of the purifying materials on nitrogen treatment,
the top of the adsorption tank body 1 is provided with the bottom of the treatment tank body 4, the inside of the treatment tank body 4 is provided with a regeneration mechanism 19, the regeneration mechanism 19 carries out regeneration treatment on the purification material inside the adsorption tank body 1, and the other side of the adsorption tank body 1 is connected with an adsorption regeneration exhaust pipe 15 in a penetrating way.
In this embodiment, adsorption mechanism 10 is including dirty nitrogen intake pipe 3, adsorb pipe fitting 7, adsorb box with a net 8, arc flabellum 9, throat hoop seat 16 and inner container 20, dirty nitrogen intake pipe 3 symmetry sets up in the adsorption tank body 1 both sides, the inside symmetry of adsorption tank body 1 is provided with adsorbs pipe fitting 7, the outside of adsorbing pipe fitting 7 runs through and is provided with the unanimous adsorption box with a net 8 of multiunit structure, the bottom of adsorbing box with a net 8 is the annular and distributes has arc flabellum 9, be provided with throat hoop seat 16 under the arc flabellum 9, the inside symmetry of adsorption tank body 1 is provided with inner container 20.
In this embodiment, the inside of inner container 20 is provided with multiunit and adsorbs the box with a net 8,2 sets the box with a net 8 is connected through the hose clamp seat 16 that arc flabellum 9 bottom set up, and arc flabellum 9 that adsorbs the box with a net 8 bottom set up is perpendicular through nitrogen gas, and then increases and adsorbs the inside catalyst of box with a net 8 and carry out reaction treatment with nitrogen gas.
In this embodiment, the adsorption tank 1 is connected with the air outlet end of the air heater 5 through the regeneration air inlet pipe 2 symmetrically arranged at the outer side, and dust and particles after the catalyst reaction are blown out through the regeneration air inlet pipe 2, so that the catalyst dust inside the adsorption net cage 8 can be filtered conveniently.
In this embodiment, the regeneration mechanism 19 includes the air heater 5, the pipe fitting 6 of supplying air, purifying tank 13, dry filter core 14, dry disk 17 and purifying pipe 18, dry disk 17 symmetry sets up inside handling box 4, the purifying tank 13 has been seted up to handling box 4 inside symmetry, the top of dry disk 17 is provided with purifying pipe 18, purifying pipe 18's outside is connected with dry filter core 14, handling box 4's one side symmetry through-connection has pipe fitting 6 of supplying air, installs dry filter core 14 through purifying tank 13 to purify and dry to a set of adsorption tank 1 among them.
In this embodiment, the drying tray 17 is connected to the air supply pipe 6 through the treatment box 4 provided outside, and the air after drying is introduced into the drying filter element 14 through the air supply pipe 6, and the air after treatment is filtered and discharged.
In this embodiment, the adsorption tank 1 is connected to the bottom ends of the two sets of inner containers 20 through an air inlet pipe 12 provided at the bottom end, and the inner container 20 is internally provided with the air inlet pipe 12, so as to accelerate the efficiency of air circulation.
Preferably, the air heater 5 and the adsorption tank 1 are connected to the other side of the inner container 20 through a regeneration air inlet pipe 2 provided at the outer end, and heated air is introduced into the adsorption net cage 8 by the air heater 5 to dry the catalyst.
The molecular sieve absorber for the filter screen can rotate and conveniently clean the filter screen in practical application comprises the following working contents:
step 1: firstly, according to the data and the reaction quantity of nitrogen, an operator fills a group of adsorption net boxes 8 with a corresponding quantity of catalysts, connects arc-shaped fan blades 9 arranged at the bottom ends of the adsorption net boxes 8, positions the throat hoop seats 16 arranged at the bottom ends of the arc-shaped fan blades 9 with bolts at the top ends of the other groups of adsorption net boxes 8, connects the outer sides of the adsorption net boxes 8 through bearing seats arranged at the outer sides of the adsorption pipe fittings 7, and connects a group of polluted nitrogen inlet pipes 3 with required equipment according to the nitrogen treatment requirement;
step 2: an operator can use the air inlet pipe 12 as an air outlet pipe, the adsorption tank body 1 is used as a nitrogen inlet pipe through the polluted nitrogen inlet pipe 3, nitrogen blows the arc-shaped fan blades 9 through blowing nitrogen, the arc-shaped fan blades 9 are utilized to drive the adsorption net cage 8 and the catalyst to rotate and mix, after the adsorption net cage 8 is used for adsorption, the purified nitrogen is directly discharged through the recovery pipe fitting 11 arranged below;
step 3 simultaneously, the operator re-injects ammonia gas into the adsorption tank body 1, and the ammonia gas is necessary to rinse the internal molecular sieve bed layer of the drying tray body 17: after one group of adsorption net boxes 8 are treated, a nitrogen discharge pipeline can be connected with a sewage nitrogen inlet pipe 3 at the other end, the other group of used sewage nitrogen inlet pipe 3 is subjected to sealing treatment, heated air is led into one group of adsorption net boxes 8 and catalysts by an air heater 5 to be subjected to continuous heating treatment, so that moisture and dust in the catalysts are subjected to drying treatment, and meanwhile, the arc-shaped fan blades 9 are utilized to drive the adsorption net boxes 8 and the catalysts to be rotationally mixed, and blowing and dust discharging treatment in the adsorption net boxes 8 is accelerated;
step 4: the adsorption tank body 1 guides the dried gas out of the adsorption tank body 1 through the regeneration exhaust pipe 15 arranged on one side, and guides the circulated air into the drying tray body 17 through the air feeding pipe fitting 6, the air containing water vapor is dried through the drying tray body 17, and meanwhile, after the impurities in the dried air are filtered through the drying filter element 14, the purified air is discharged again through the regeneration exhaust pipe 15, so that the catalyst regeneration treatment is completed, and the influence of the catalyst purification time on the catalytic effect is avoided.
Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.

Claims (8)

1. The filter screen can rotate and conveniently clear up the molecular sieve adsorber of filter screen, its characterized in that: the novel adsorption device comprises an adsorption tank body (1), wherein a regeneration air inlet pipe (2) is symmetrically arranged on one side of the adsorption tank body (1), a recovery pipe fitting (11) is connected to the middle end of the bottom end of the adsorption tank body (1) in a penetrating manner, and air inlet pipes (12) are symmetrically arranged at the bottom end of the adsorption tank body (1);
an adsorption mechanism (10) is arranged in the adsorption tank body (1), the adsorption mechanism (10) adjusts the quantity of the purifying materials according to the quantity of the recovered nitrogen, improves the efficiency of the purifying materials on nitrogen treatment,
the top of the adsorption tank body (1) is provided with the bottom of the treatment tank body (4), a regeneration mechanism (19) is arranged in the treatment tank body (4), the regeneration mechanism (19) regenerates the purification material in the adsorption tank body (1), and the other side of the adsorption tank body (1) is connected with an adsorption regeneration exhaust pipe (15) in a penetrating way.
2. The molecular sieve adsorber of claim 1 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, wherein: the utility model provides an adsorption mechanism (10) is including dirty nitrogen intake pipe (3), absorption pipe fitting (7), absorption box with a net (8), arc flabellum (9), hose clamp seat (16) and inner container (20), dirty nitrogen intake pipe (3) symmetry sets up in absorption jar body (1) both sides, the inside symmetry of absorption jar body (1) is provided with absorption pipe fitting (7), the outside of absorption pipe fitting (7) is run through and is provided with the unanimous absorption box with a net (8) of multiunit structure, the bottom of absorption box with a net (8) is annular distribution and has arc flabellum (9), be provided with hose clamp seat (16) under arc flabellum (9), the inside symmetry of absorption jar body (1) is provided with inner container (20).
3. The molecular sieve adsorber of claim 2 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, wherein: the inside of inner container (20) is provided with multiunit and adsorbs box with a net (8), and 2 sets of adsorb box with a net (8) are connected through throat hoop seat (16) that arc flabellum (9) bottom set up.
4. The molecular sieve adsorber of claim 1 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, wherein: the adsorption tank body (1) is connected with the air outlet end of the air heater (5) through regeneration air inlet pipes (2) symmetrically arranged on the outer side.
5. The molecular sieve adsorber of claim 1 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, wherein: regeneration mechanism (19) are including air heater (5), air feed pipe fitting (6), purifying tank (13), dry filter core (14), dry disk body (17) and purifying pipe (18), dry disk body (17) symmetry sets up inside handling box (4), inside symmetry of handling box (4) has seted up purifying tank (13), the top of dry disk body (17) is provided with purifying pipe (18), the outside of purifying pipe (18) is connected with dry filter core (14), one side symmetry through connection of handling box (4) has air feed pipe fitting (6).
6. The molecular sieve adsorber of claim 5 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, the molecular sieve adsorber being characterized by: the drying tray body (17) is connected with the air supply pipe fitting (6) in a penetrating way through the treatment box body (4) arranged on the outer side.
7. The molecular sieve adsorber of claim 2 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, wherein: the adsorption tank body (1) is connected with the bottom ends of the two groups of inner containers (20) through an air inlet pipe (12) arranged at the bottom end.
8. The molecular sieve adsorber of claim 5 wherein the filter screen is rotatable and is convenient for cleaning the filter screen, the molecular sieve adsorber being characterized by: the air heater (5) and the adsorption tank body (1) are connected with the other side of the inner container (20) through a regeneration air inlet pipe (2) arranged at the outer end.
CN202311250011.0A 2023-09-26 2023-09-26 Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen Pending CN117282265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311250011.0A CN117282265A (en) 2023-09-26 2023-09-26 Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311250011.0A CN117282265A (en) 2023-09-26 2023-09-26 Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen

Publications (1)

Publication Number Publication Date
CN117282265A true CN117282265A (en) 2023-12-26

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ID=89240360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311250011.0A Pending CN117282265A (en) 2023-09-26 2023-09-26 Molecular sieve adsorber with filter screen capable of rotating and convenient for cleaning filter screen

Country Status (1)

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CN (1) CN117282265A (en)

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