CN216023829U

CN216023829U - Dust collector for environmental protection that dust removal effect is good

Info

Publication number: CN216023829U
Application number: CN202121953472.0U
Authority: CN
Inventors: 李贺
Original assignee: Jilin Chunguang Environmental Protection Technology Co ltd
Current assignee: Jilin Chunguang Environmental Protection Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-15
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a dust removal device with good dust removal effect for environmental protection, which comprises a dust removal cylinder which is vertically arranged, wherein a first bearing which is horizontally arranged is embedded in the middle of the top end of the dust removal cylinder, a transition cylinder which is vertically arranged is fixedly connected to the inner ring of the first bearing, a second bearing which is horizontally arranged is sleeved at the top end of the transition cylinder, a trapezoidal top plate which is horizontally arranged is sleeved on the surface of the second bearing, solar photovoltaic plates which are obliquely arranged are embedded on two sides of the top end of the trapezoidal top plate, a dust removal structure is arranged at the top end of the transition cylinder, a rotary liquid guide mechanism for driving the transition cylinder to rotate is arranged between the bottom end of the transition cylinder and the dust removal cylinder, and filter components are arranged on two sides of the top end of the inner wall of the transition cylinder. According to the utility model, the atomization spray nozzle is arranged, and the dust is settled by using the water body, so that the environment is effectively protected, the dust on the surface of the solar photovoltaic panel can be cleaned, the heat energy conversion rate is improved, and the waste of the water body is reduced.

Description

Dust collector for environmental protection that dust removal effect is good

Technical Field

The utility model relates to the technical field of environmental protection, in particular to a dust removal device with good dust removal effect for environmental protection.

Background

The dust removal refers to a technology for removing particles from dust-containing gas, and the dust removal modes comprise bag type dust removal, wet type ventilation dust removal, water spray or spray dust removal and biological nanometer dust suppression, wherein the dust removal mode of water spray or spray dust removal is utilized, so that the cost investment is low, and the energy consumption is low.

In order to cause air pollution by dust and better protect the environment, a dust removal device is needed.

Current dust collector, the functional is lower, is fixed installation mostly, does not possess horizontal pivoted function to lead to dust removal work to have certain limitation, and make the practicality of device lower, be unfavorable for comprehensive popularization, in order to improve dust collection efficiency, diversified regulation sprays the region, now provides a dust collector for environmental protection that dust removal effect is good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a dust removal device with good dust removal effect for environmental protection.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a dust removal device with good dust removal effect for environmental protection comprises a dust removal barrel which is vertically arranged, a first bearing which is horizontally arranged is embedded in the middle of the top end of the dust removal barrel, a transition barrel which is vertically arranged is fixedly connected with the inner ring of the first bearing, a second bearing which is horizontally arranged is sleeved on the top end of the transition barrel, a trapezoidal top plate which is horizontally arranged is sleeved on the surface of the second bearing, solar photovoltaic panels which are obliquely arranged are embedded on two sides of the top end of the trapezoidal top plate, a dust fall structure is arranged on the top end of the transition barrel, a rotary liquid guide mechanism for driving the transition barrel to rotate is arranged between the bottom end of the transition barrel and the dust removal barrel, filter assemblies are arranged on two sides of the top end of the inner wall of the transition barrel, water guide plates which are horizontally arranged are fixedly connected with the bottom end of one side opposite to the trapezoidal top plate, arc-shaped water guide grooves are formed in the top ends of the water guide plates, and water collection assemblies are arranged at the bottom ends of the two water guide plates, both sides of the outer wall of the dust removing cylinder are provided with limiting assemblies for fixing the water collecting assembly.

Further, the first bearing and the dust removal barrel, the second bearing and the transition barrel, and the trapezoidal top plate and the second bearing are fixed through bolts.

Further, the dust fall structure includes the water suction pump that the level was placed, the end and the transition bobbin outer wall top spiro union that the water suction pump intake level was placed, and the end spiro union that the water suction pump goes out the level and places has vertical second L type inlet tube of placing, second L type inlet tube minor face one end spiro union has vertical atomizer of placing.

Further, rotatory drain mechanism includes two vertical supports of placing, two the support top is close to first bearing position department fixed connection with a dust removal section of thick bamboo inner wall respectively, and the same vertical servo motor of placing of fixedly connected with between two supports, servo motor output shaft and transition bobbin base end fixed connection, and servo motor output shaft and the inside intercommunication of a transition section of thick bamboo, the rotary joint that servo motor bottom fixedly connected with level was placed, and rotary joint feed liquor end spiro union have the vertical aqueduct of placing, the check valve that aqueduct inner wall fixedly connected with level was placed.

Further, the filtering component comprises a vertically placed filtering box, two limiting blocks are horizontally placed on two sides of the top end of the filtering box, the filtering box is connected with one side of the top end of the dust removing cylinder in an inserting mode, and the bottom ends of the limiting blocks are in contact with the top end of the outer wall of the dust removing cylinder.

Further, the subassembly that catchments includes the vertical first L type inlet tube of placing, long limit top and the arc guiding gutter intercommunication of first L type inlet tube, and first L type inlet tube minor face spiro union has the bellows that the level was placed, bellows keeps away from first L type inlet tube one end and passes a dust removal section of thick bamboo and extend to in the filter cartridge.

Furthermore, the servo motor and the water suction pump are connected with the solar photovoltaic panel through leads.

Further, spacing subassembly is established including the cover and is established the vertical positioning disk of placing in flexible hose surface, bond between flexible hose and the positioning disk, and positioning disk and the contact of first L type inlet tube outer wall, the polygon hole has all been opened at both ends about positioning disk one side, and all inserts the polygon locating lever that is equipped with the level and places in two polygon holes, two the polygon locating lever is kept away from positioning disk one end and dust removal section of thick bamboo outer wall joint.

Further, spacing subassembly is established including the cover and is established the vertical positioning disk of placing in flexible hose surface, bond between flexible hose and the positioning disk, and positioning disk and the contact of first L type inlet tube outer wall, the round hole has all been opened at both ends about positioning disk one side, and all inserts the gag lever post that is equipped with the level and places in two round holes, two the gag lever post is kept away from first L type inlet tube position department and is all overlapped and be equipped with the antiskid cover that the level was placed, and passes through the bolt fastening between antiskid cover and the gag lever post, positioning disk one end and dust removal section of thick bamboo outer wall joint are kept away from to the antiskid cover.

The utility model has the beneficial effects that:

1. through setting up atomizer, utilize the water to subside the dust, the effectual environment of having protected, also can clean the dust on solar photovoltaic board surface, improve the conversion rate of heat energy, also reduce the waste of water, the rotatory drain mechanism that the cooperation set up not only can realize that second L type inlet tube level three hundred sixty degrees rotate, enlarge the scope of removing dust, very big improvement the work efficiency of removing dust, also realize the automation mechanized operation of removing dust, further save operating time and human cost.

2. Through setting up the filter cartridge, can filter the water, for its recycle improves the advantage, the subassembly that catchments that the cooperation set up, the sewage collection of being convenient for saves the water resource, also avoids the polluted environment, combines spacing subassembly and the stopper that sets up, can carry out the support that stabilizes to the bellows, the dismouting of the filter cartridge of also being convenient for, convenient to use, and the practicality is stronger.

3. Through setting up the solar photovoltaic board, reduce the consumption of national power consumption, realize the environmental protection purpose, the one-way valve that the cooperation set up avoids the water backward flow in the transition section of thick bamboo, also can reduce the consume of suction pump power consumption.

Drawings

FIG. 1 is a schematic view of a partial three-dimensional explosion structure of a dust removing device for environmental protection with good dust removal effect for removing a limiting component, which is provided by the utility model;

FIG. 2 is a schematic sectional plan view of an environmental protection dust removing apparatus with a good dust removing effect according to the present invention, including embodiment 1;

FIG. 3 is an enlarged schematic structural view of a dust removing apparatus A for environmental protection with good dust removing effect according to the present invention;

fig. 4 is a schematic partial enlarged structural view of an embodiment 2 of a dust removing device for environmental protection with good dust removing effect according to the present invention.

In the figure: 1. a water guide plate; 2. a first L-shaped water inlet pipe; 3. a flexible hose; 4. a multi-edge positioning rod; 5. positioning a plate; 6. a filter cartridge; 7. a dust removal cylinder; 8. a water conduit; 9. a one-way valve; 10. a rotary joint; 11. a servo motor; 12. a support; 13. a first bearing; 14. a trapezoidal top plate; 15. a solar photovoltaic panel; 16. a second bearing; 17. a water suction pump; 18. a second L-shaped water inlet pipe; 19. an atomizing spray head; 20. a transition cylinder; 21. a limiting block; 22. an anti-slip sleeve; 23. a limiting rod.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-3, a dust removing device for environmental protection with good dust removing effect comprises a dust removing cylinder 7 which is vertically arranged, a first bearing 13 which is horizontally arranged is embedded in the middle of the top end of the dust removing cylinder 7, an inner ring of the first bearing 13 is fixedly connected with a transition cylinder 20 which is vertically arranged through a bolt, a second bearing 16 which is horizontally arranged is sleeved on the top end of the transition cylinder 20, a trapezoidal top plate 14 which is horizontally arranged is sleeved on the surface of the second bearing 16, solar photovoltaic plates 15 which are obliquely arranged are embedded on both sides of the top end of the trapezoidal top plate 14, a dust falling structure is arranged on the top end of the transition cylinder 20, a rotary liquid guide mechanism for driving the transition cylinder 20 to rotate is arranged between the bottom end of the transition cylinder 20 and the dust removing cylinder 7, filter components are arranged on both sides of the top end of the inner wall of the transition cylinder 20, a water guide plate 1 which is horizontally arranged is fixedly connected with the bottom end of the opposite side of the trapezoidal top plate 14 through a bolt, and an arc water guide groove is formed on the top end of the water guide plate 1, the bottom ends of the two water guide plates 1 are respectively provided with a water collecting component, two sides of the outer wall of the dust removing cylinder 7 are respectively provided with a limiting component for fixing the water collecting component, preferably, a first bearing 13 and the dust removing cylinder 7, a second bearing 16 and a transition cylinder 20 and a trapezoidal top plate 14 and a second bearing 16 are fixed through bolts, in order to solve the dust removing problem, the dust falling structure comprises a horizontally arranged water suction pump 17, the horizontally arranged end of the water suction pump 17 is in threaded connection with the top end of the outer wall of the transition cylinder 20, the horizontally arranged end of the water suction pump 17 is in threaded connection with a vertically arranged second L-shaped water inlet pipe 18, one end of the short side of the second L-shaped water inlet pipe 18 is in threaded connection with a vertically arranged atomizing spray head 19, preferably, the rotary liquid guiding mechanism comprises two vertically arranged brackets 12, the top ends of the two brackets 12 are respectively and fixedly connected with the position, close to the first bearing 13, of the inner wall of the dust removing cylinder 7 through bolts, and a same vertically arranged servo motor 11 is fixedly connected between the two brackets 12 through bolts, the output shaft of the servo motor 11 is fixedly connected with the bottom end of the transition cylinder 20 through a bolt, the output shaft of the servo motor 11 is communicated with the interior of the transition cylinder 20, the bottom end of the servo motor 11 is fixedly connected with a horizontally placed rotary joint 10 through a bolt, the liquid inlet end of the rotary joint 10 is in threaded connection with a vertically placed water guide pipe 8, the inner wall of the water guide pipe 8 is fixedly connected with a horizontally placed one-way valve 9 through a bolt, dust is settled by using water through the arrangement of an atomizing spray nozzle 19, the environment is effectively protected, dust on the surface of the solar photovoltaic panel 15 can be cleaned, the heat energy conversion rate is improved, the waste of the water is also reduced, the rotation liquid guide mechanism which is arranged in a matched mode can not only realize the horizontal three hundred and sixty-degree rotation of the second L-shaped water inlet pipe 18, the dust removal range is enlarged, the dust removal working efficiency is greatly improved, the automatic operation of dust removal is also realized, and the working time and the labor cost are further saved, preferably, the filtering component comprises a vertically placed filtering box 6, both sides of the top end of the filtering box 6 are fixedly connected with horizontally placed limiting blocks 21 through bolts, the filtering box 6 is inserted into one side of the top end of the dust removing cylinder 7, the bottom ends of the two limiting blocks 21 are contacted with the top end of the outer wall of the dust removing cylinder 7, in order to save water, the water collecting component comprises a vertically placed first L-shaped water inlet pipe 2, the top end of the long side of the first L-shaped water inlet pipe 2 is communicated with an arc-shaped water guide groove, a short side of the first L-shaped water inlet pipe 2 is in threaded connection with a horizontally placed telescopic hose 3, one end of the telescopic hose 3, far away from the first L-shaped water inlet pipe 2, penetrates through the dust removing cylinder 7 and extends into the filtering box 6, preferably, the servo motor 11 and the water suction pump 17 are both connected with the solar photovoltaic panel 15 through leads, through the filtering box 6, favorable conditions are improved for the recycling of the water body, and the water collecting component is matched with the water collecting component, the water resource is saved by convenient sewage collection and environmental pollution is avoided, the limit component and the limit block 21 are combined to stably support the telescopic hose 3 and also facilitate the disassembly and assembly of the filter box 6, the use is convenient, the practicability is strong, in order to solve the disassembly and assembly problem of the filter box 6, the limit component comprises a positioning disc 5 which is sleeved on the surface of the telescopic hose 3 and is vertically placed, the telescopic hose 3 is adhered to the positioning disc 5, the positioning disc 5 is contacted with the outer wall of the first L-shaped water inlet pipe 2, the upper end and the lower end of one side of the positioning disc 5 are both provided with multi-edge holes, the two multi-edge holes are both inserted with horizontally placed multi-edge positioning rods 4, one ends of the two multi-edge positioning rods 4, which are far away from the positioning disc 5, are clamped with the outer wall of the dust removing cylinder 7, the consumption of national electricity consumption is reduced by arranging the solar photovoltaic panel 15, the environmental protection purpose is realized, the check valve 9 is matched to avoid the backflow of the water body in the transition cylinder 20, the consumption of the electric power used by the suction pump 17 can be reduced.

The working principle of the embodiment is as follows: firstly, clean water is injected into the two filter boxes 6 and can be filtered, the dust removal effect is improved, the water absorption conversion capacity of the solar photovoltaic panel 15 is utilized to provide power for the water suction pump 17 and the servo motor 11, then the water suction pump 17 is started, the water in the dust removal cylinder 7 is conveyed to the atomizing spray head 19 through the water guide pipe 8, the rotary joint 10, the transition cylinder 20 and the second L-shaped water inlet pipe 18 for dust removal treatment, the water delivery efficiency is improved through the one-way valve 9, the servo motor 11 is started to drive the transition cylinder 20 to rotate, the atomizing spray head 19 is driven to rotate for 360 degrees, the dust removal efficiency can be improved, in the water spraying process, sewage flows into the arc-shaped water guide groove on the surface of the water guide plate 1 along the trapezoidal top plate 14 and then flows into the filter boxes 6 through the first L-shaped water inlet pipe 2 and the telescopic hose 3, the sewage is filtered, and the cyclic utilization rate of the water can be improved, reach the water conservation purpose, and simultaneously, through the setting of many arriss locating lever 4, support telescopic hose 3 that can be better, also prevent that the water flow from droing in the filter box 6 when big, play the guard action, when impurity in the filter box 6 piles up a certain amount, take off many arriss locating lever 4, to 2 pulling positioning disk 5 of first L type inlet tube, make telescopic hose 3 break away from in the filter box 6, rethread stopper 21, take off filter box 6, be convenient for the discharge of impurity and filter box 6's washing.

Example 2

Referring to fig. 1 and 4, the dust removing apparatus for environmental protection with good dust removing effect in this embodiment is different from embodiment 1 mainly in that in this embodiment, the limiting component comprises a positioning disk 5 which is vertically arranged on the surface of the flexible hose 3 in a sleeved mode, the flexible hose 3 is bonded with the positioning disk 5, and the positioning disk 5 is contacted with the outer wall of the first L-shaped water inlet pipe 2, the upper end and the lower end of one side of the positioning disk 5 are both provided with round holes, and horizontally placed limiting rods 23 are inserted into the two round holes, horizontally placed anti-skid sleeves 22 are sleeved at the positions of the two limiting rods 23 far away from the first L-shaped water inlet pipe 2, the anti-skid sleeve 22 and the limiting rod 23 are fixed through bolts, one end of the anti-skid sleeve 22 far away from the positioning plate 5 is clamped with the outer wall of the dust removing cylinder 7, can carry out firm support to bellows 3, the dismouting of the filter cartridge 6 of also being convenient for, convenient to use, and the practicality is stronger.

The working principle of the embodiment is as follows: firstly, clean water is injected into the two filter boxes 6 and can be filtered, the dust removal effect is improved, the water absorption conversion capacity of the solar photovoltaic panel 15 is utilized to provide power for the water suction pump 17 and the servo motor 11, then the water suction pump 17 is started, the water in the dust removal cylinder 7 is conveyed to the atomizing spray head 19 through the water guide pipe 8, the rotary joint 10, the transition cylinder 20 and the second L-shaped water inlet pipe 18 for dust removal treatment, the water delivery efficiency is improved through the one-way valve 9, the servo motor 11 is started to drive the transition cylinder 20 to rotate, the atomizing spray head 19 is driven to rotate for 360 degrees, the dust removal efficiency can be improved, in the water spraying process, sewage flows into the arc-shaped water guide groove on the surface of the water guide plate 1 along the trapezoidal top plate 14 and then flows into the filter boxes 6 through the first L-shaped water inlet pipe 2 and the telescopic hose 3, the sewage is filtered, and the cyclic utilization rate of the water can be improved, reach the water conservation purpose, simultaneously, utilize antiskid cover 22, can avoid filter cartridge 6 to drop, play good limiting displacement, when impurity in filter cartridge 6 piles up a quantitative, take off gag lever post 23, to 2 punishment pulling positioning disk 5 of first L type inlet tube for flexible hose 3 breaks away from in the filter cartridge 6, and rethread stopper 21 takes off filter cartridge 6, the discharge of the impurity of being convenient for and filter cartridge 6's washing.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present patent application, it is to be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed, and the specific meaning of the terms in the patent will be understood by those skilled in the art according to the specific situation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The dust removal device for environmental protection with good dust removal effect comprises a dust removal cylinder (7) which is vertically arranged, and is characterized in that a first bearing (13) which is horizontally arranged is embedded in the middle of the top end of the dust removal cylinder (7), a transition cylinder (20) which is vertically arranged is fixedly connected with the inner ring of the first bearing (13), a second bearing (16) which is horizontally arranged is sleeved on the top end of the transition cylinder (20), a trapezoidal top plate (14) which is horizontally arranged is sleeved on the surface of the second bearing (16), solar photovoltaic plates (15) which are obliquely arranged are embedded on two sides of the top end of the trapezoidal top plate (14), a dust fall structure is arranged on the top end of the transition cylinder (20), a rotary liquid guide mechanism which is used for driving the transition cylinder (20) to rotate is arranged between the bottom end of the transition cylinder (20) and the dust removal cylinder (7), and filtering components are arranged on two sides of the top end of the inner wall of the transition cylinder (20), the water collecting device is characterized in that the bottom end of one side, opposite to the trapezoidal top plate (14), of the trapezoidal top plate (14) is fixedly connected with a water guide plate (1) horizontally placed, an arc-shaped water guide groove is formed in the top end of the water guide plate (1), a water collecting assembly is arranged at the bottom end of the water guide plate (1), and limiting assemblies used for fixing the water collecting assembly are arranged on two sides of the outer wall of the dust removing cylinder (7).

2. The dust removing device with good dust removing effect for environmental protection according to claim 1, wherein the first bearing (13) and the dust removing cylinder (7), the second bearing (16) and the transition cylinder (20), and the trapezoidal top plate (14) and the second bearing (16) are fixed by bolts.

3. The dust removing device with good dust removing effect for environmental protection according to claim 2, wherein the dust removing structure comprises a horizontally arranged water suction pump (17), the horizontally arranged end of the water suction pump (17) is in threaded connection with the top end of the outer wall of the transition cylinder (20), the horizontally arranged end of the water suction pump (17) is in threaded connection with a vertically arranged second L-shaped water inlet pipe (18), and one end of the short side of the second L-shaped water inlet pipe (18) is in threaded connection with a vertically arranged atomizing nozzle (19).

4. The dust removing device for environmental protection with good dust removing effect of claim 3, the rotary liquid guiding mechanism comprises two vertically arranged brackets (12), the top ends of the two brackets (12) are respectively and fixedly connected with the inner wall of the dust removing cylinder (7) close to the position of the first bearing (13), and a servo motor (11) which is vertically arranged is fixedly connected between the two brackets (12), the output shaft of the servo motor (11) is fixedly connected with the bottom end of the transition cylinder (20), an output shaft of the servo motor (11) is communicated with the interior of the transition cylinder (20), the bottom end of the servo motor (11) is fixedly connected with a horizontally placed rotary joint (10), the liquid inlet end of the rotary joint (10) is in threaded connection with a water guide pipe (8) which is vertically arranged, the inner wall of the water guide pipe (8) is fixedly connected with a horizontally arranged one-way valve (9).

5. The dust removing device with good dust removing effect for environmental protection according to claim 4, wherein the filtering component comprises a vertically placed filtering box (6), both sides of the top end of the filtering box (6) are fixedly connected with horizontally placed limiting blocks (21), the filtering box (6) is inserted into one side of the top end of the dust removing cylinder (7), and the bottom ends of the two limiting blocks (21) are contacted with the top end of the outer wall of the dust removing cylinder (7).

6. The dust removing device with the good dust removing effect for the environmental protection as claimed in claim 5, wherein the water collecting assembly comprises a first L-shaped water inlet pipe (2) which is vertically arranged, the top end of the long side of the first L-shaped water inlet pipe (2) is communicated with the arc-shaped water chute, a flexible hose (3) which is horizontally arranged is screwed on the short side of the first L-shaped water inlet pipe (2), and one end, far away from the first L-shaped water inlet pipe (2), of the flexible hose (3) penetrates through the dust removing cylinder (7) and extends into the filter box (6).

7. The dust removing device with good dust removing effect for environmental protection of claim 6, wherein the servo motor (11) and the water suction pump (17) are connected with the solar photovoltaic panel (15) through wires.

8. The dust removal device for environmental protection with good dust removal effect according to claim 7, wherein the limiting component comprises a positioning disk (5) vertically arranged on the surface of the telescopic hose (3) in a sleeved mode, the telescopic hose (3) and the positioning disk (5) are bonded with each other, the positioning disk (5) is in contact with the outer wall of the first L-shaped water inlet pipe (2), multi-edge holes are formed in the upper end and the lower end of one side of the positioning disk (5), horizontally arranged multi-edge positioning rods (4) are inserted into the two multi-edge holes, and the two multi-edge positioning rods (4) are connected with the outer wall of the dust removal cylinder (7) in a clamped mode at one end, away from the positioning disk (5), of each multi-edge positioning rod (4).

9. The dust removal device for environmental protection with good dust removal effect according to claim 7, wherein the limiting component comprises a positioning disk (5) which is vertically arranged on the surface of the telescopic hose (3) in a sleeved mode, the telescopic hose (3) and the positioning disk (5) are bonded with each other, the positioning disk (5) is in contact with the outer wall of the first L-shaped water inlet pipe (2), round holes are formed in the upper end and the lower end of one side of the positioning disk (5), horizontally-arranged limiting rods (23) are inserted into the two round holes, the positions, away from the first L-shaped water inlet pipe (2), of the limiting rods (23) are all sleeved with horizontally-arranged anti-skidding sleeves (22), the anti-skidding sleeves (22) are fixed with the limiting rods (23) through bolts, and one ends, away from the positioning disk (5), of the anti-skidding sleeves (22) are clamped with the outer wall of the dust removal cylinder (7).