Screening mechanism for aluminum ash

Abstract

The utility model relates to the technical field of aluminum ash screening mechanisms, in particular to an aluminum ash screening mechanism which comprises a compartment shell, a machine body used for screening aluminum ash is arranged in the compartment shell, a plurality of sets of partition plates used for separating space are assembled in the machine body, a rotary disc used for supporting is rotationally installed on the inner side of the machine body, and the rotary disc is arranged on the inner side of the machine body. A disc base corresponding to the rotary disc is rotationally installed in the machine body, cylinder frames are assembled between the disc base and the rotary disc and between the disc base and the partition plate, and screen cylinders used for screening aluminum ash are assembled on the inner peripheries of the cylinder frames. When the drum frame rotates, the multiple sets of elastic balls between the screen drum and the diamond mesh drum can make reciprocating rebound motion under the elastic force of the elastic balls and the mutual cooperation of rotation and vibration of the screen drum, and therefore the elastic balls can continuously knock the screen drum and conduct vibration stripping on aluminum materials blocked in meshes of the screen drum. And in addition, the multiple sets of screen drums are matched with one another, so that the aluminum materials of different specifications can be screened conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum ash sieve mechanism technical field, concretely relates to a kind of sieve mechanism for aluminum ash. BACKGROUND

[0002] In the process of smelting and forming of metal aluminum, aluminum slag will be produced, if aluminum slag is discharged as waste slag, not only will cause the waste of resources but also will bring environmental problems, so it is necessary to reasonably handle aluminum ash slag, in industrial production, different particle size aluminum beads are usually screened out by using aluminum ash machine, to facilitate recycling of aluminum beads;Patent No. CN202223175305.5 discloses an aluminum ash treatment system, the primary screening mechanism can preliminarily screen the aluminum slag, and then flow through the grinding mechanism, the grinding mechanism can crush the blocky aluminum slag, and the crushed aluminum slag continues to flow into the secondary screening mechanism, the secondary screening mechanism can screen the aluminum slag twice, and finally screen out aluminum beads of different particle sizes, so as to collect and recycle the aluminum beads;However, when using the sieve machine to screen the aluminum ash, some aluminum bead particles are easy to be stuck in the eye of the sieve plate, which may affect the subsequent screening of the aluminum ash. Therefore, we propose a kind of sieve mechanism for aluminum ash. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a kind of sieve mechanism for aluminum ash.

[0004] The utility model solves the technical scheme that it adopts to the technical scheme of a kind of sieve mechanism for aluminum ash, including compartment shell, the machine body for screening aluminum ash is arranged in the compartment shell, and the partition plate for separating space is assembled in the machine body, and the partition plate has multiple groups, the rotating disc for supporting is rotatably installed on the inner side of the machine body, and the disc seat corresponding with rotating disc is rotatably installed in the machine body, the cylinder frame is assembled between the disc seat and rotating disc and the disc seat and partition plate, and the screen cylinder for screening aluminum ash is assembled on the inner circumferential surface of cylinder frame, the diamond mesh cylinder for limiting is assembled on the outer circumferential surface of cylinder frame, and the elastic ball is arranged between diamond mesh cylinder and screen cylinder, and the elastic ball has multiple groups;

[0005] The rotating joint is assembled on the end of disc seat away from the machine body, and the frame is assembled on the outer wall surface of the machine body, the horizontal pipe for guiding material is assembled between the frame and rotating joint, and the feeding screw is rotatably installed in the horizontal pipe, the straight shaft for transmission is rotatably installed in the frame, the speed reducer for transmission is assembled on the outer wall surface of the frame and is transmissionally connected with the straight shaft, the motor is assembled on the power input end of speed reducer, the rotating wheel for transmission is installed on the outer circumferential sleeve of straight shaft, the belt pulley matched with rotating wheel is assembled on the outer circumferential surface of disc seat, the belt body for transmission is assembled between belt pulley and rotating wheel, and the belt body has multiple groups.

[0006] When the aluminum material is used in the aluminum ash screening mechanism, the aluminum material after grinding can enter the horizontal pipe, the feeding screw in the horizontal pipe rotates to facilitate the conveying of the aluminum material in the horizontal pipe, the aluminum material can stably pass through the rotary joint and enter the screening cylinder inside the machine body, and screening is facilitated;

[0007] When the aluminum material enters the screening cylinder, the motor on the machine body top frame operates and drives the straight shaft to rotate under the operation of the speed reducer, the straight shaft rotates through the runner and drives the belt pulley on the outer periphery of the disc seat through the multiple groups of belt bodies, then the belt pulley drives the disc seat to rotate and makes the disc seat and the multiple groups of cylinder frames between the disc seat and the partition plate rotate, the cylinder frame can drive the screening cylinder to rotate and screen the aluminum material, and the multiple groups of elastic balls between the screening cylinder and the diamond mesh cylinder can reciprocate under the elastic force of the elastic balls and the rotation and vibration of the screening cylinder, so that the elastic balls can continuously knock the screening cylinder and vibrate the aluminum material stuck in the mesh of the screening cylinder, the aluminum material can be more smoothly screened, and the multiple groups of screening cylinders cooperate to facilitate the screening of aluminum materials of different specifications.

[0008] Specifically, the feeding screw is located at one end of the horizontal pipe outside and the straight shaft is located at one end of the frame outside, and both are equipped with sprockets, and a chain for transmission is arranged between the two groups of sprockets.

[0009] By adopting the above technical scheme, when the straight shaft rotates, the sprocket can be driven to rotate, and the sprocket can conveniently drive the sprocket outside the horizontal pipe to rotate through the chain, and the sprocket can conveniently drive the feeding screw in the horizontal pipe to rotate, so that the feeding screw can convey the aluminum material entering the horizontal pipe, and the feeding screw and the screening cylinder share the same group of motors, which is convenient for saving energy consumption, and the operation of the feeding screw synchronizes with the operation of the screening cylinder inside the machine body, which is convenient for screening the aluminum material.

[0010] Specifically, the top surface of the compartment shell is equipped with frame plates in communication with the compartment shell, and the frame plates are multiple groups, a branch pipe for flow guiding is arranged between the multiple groups of frame plates, and a fan for ventilation is arranged in the frame plate.

[0011] By adopting the above technical scheme, the frame plates on the top of the compartment shell facilitate the protection of the fan, the fan facilitates the ventilation of the inside of the compartment shell, and the branch pipe facilitates the guidance of the airflow extracted by the fan.

[0012] Specifically, the outer wall surface of the compartment shell is equipped with a box body for protection, a bend pipe for flow guiding is arranged between the box body and the frame plate, and a pipe seat in communication with the bend pipe is arranged in the box body.

[0013] Through adoption of the technical scheme, the airflow extracted by the fan can be discharged into the box through the elbow pipe and conveniently discharged from the air outlet at the bottom of the box, thereby reducing the condition that the airflow is randomly discharged.

[0014] Specifically, the pipe seat is peripherally screwed with a ring seat for limiting, and a filter bag body for dust collection is clamped between the ring seat and the pipe seat.

[0015] Through adoption of the technical scheme, when the airflow in the elbow pipe enters the box, it is convenient to pass through the pipe seat and enter the filter bag body, so that the filter bag body conveniently filters the airflow, thereby conveniently filtering and intercepting the aluminum dust mixed in the airflow, and the filtered air is conveniently discharged from the bottom of the box, and the ring seat peripherally screwed with the pipe seat is convenient to disassemble, the filter bag body clamped between the ring seat and the pipe seat is convenient to disassemble, the collected aluminum dust in the filter bag body is convenient to clean, and recycling is facilitated.

[0016] Specifically, the box is provided with a check valve at the communication position with the elbow pipe.

[0017] Through adoption of the technical scheme, the check valve between the box and the elbow pipe is convenient to reduce the condition that the airflow in the pipe seat backflows, so that the filter bag body can stably collect the aluminum dust mixed in the air.

[0018] Specifically, the outer periphery of the compartment shell is hingedly provided with a warehouse door for maintenance through a door shaft, and the warehouse door has multiple groups.

[0019] Through adoption of the technical scheme, the warehouse door at the outer periphery of the compartment shell is convenient to open and close, facilitating maintenance of the structure inside the compartment shell and collection and taking of the aluminum material in the sieve.

[0020] Specifically, the top end surface of the horizontal pipe is provided with a hopper for material guiding.

[0021] Through adoption of the technical scheme, the hopper on the surface of the horizontal pipe makes the ground aluminum material more conveniently enter the horizontal pipe, facilitating guiding thereof, thereby more smoothly sieving the aluminum material.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The technical scheme of the application, through the design of the machine body, the disc seat, the frame, the rotary joint, the horizontal pipe and the feeding screw rod, when the aluminum ash sieving mechanism is used, the ground aluminum material can enter the horizontal pipe, the feeding screw rod in the horizontal pipe rotates to conveniently convey the aluminum material in the horizontal pipe, the aluminum material can stably pass through the rotary joint and enter the sieve cylinder inside the machine body, and sieving is facilitated.

[0024] 2、The technical scheme of the application is characterized in that when the aluminum material enters the screen cylinder, the motor on the top frame of the machine body operates and drives the straight shaft to rotate under the operation of the speed reducer, the straight shaft drives the pulley through the rotating wheel and drives the pulley on the outer periphery of the disc seat to rotate through the plurality of belt bodies, then the pulley drives the disc seat to rotate and makes the plurality of cylinder frames between the disc seat and the rotating disc and the disc seat and the partition plate rotate, the cylinder frame drives the screen cylinder to rotate and screens the aluminum material, and when the cylinder frame rotates, the plurality of elastic balls between the screen cylinder and the diamond mesh cylinder rebound under the elastic force of the elastic balls and the vibration of the rotation of the screen cylinder, so that the elastic balls can continuously knock the screen cylinder and vibrate the aluminum material stuck in the screen mesh of the screen cylinder, so that the aluminum material can be more smoothly screened, and the plurality of screen cylinders cooperate with each other to facilitate screening of aluminum materials of different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model is further described below in combination with the drawings and embodiments.

[0026] Figure 1 It is a perspective view of the utility model;

[0027] Figure 2 It is a plane schematic view of the inside structure of the compartment shell of the utility model;

[0028] Figure 3 It is a plane schematic view of the inside structure of the machine body of the utility model;

[0029] Figure 4 It is a schematic view of the cylinder frame structure of the utility model;

[0030] Figure 5 It is a schematic view of the outside structure of the compartment shell of the utility model at the local part A;

[0031] In the figure: 1, compartment shell; 2, machine body; 3, disc seat; 4, rotating disc; 5, partition plate; 6, cylinder frame; 7, screen cylinder; 8, diamond mesh cylinder; 9, elastic ball; 10, frame; 11, swivel joint; 12, cross pipe; 13, feeding screw; 14, hopper; 15, straight shaft; 16, rotating wheel; 17, pulley; 18, belt body; 19, sprocket; 20, chain; 21, speed reducer; 22, motor; 23, frame plate; 24, fan; 25, branch pipe; 26, box body; 27, elbow; 28, check valve; 29, pipe base; 30, filter bag body; 31, ring seat; 32, door. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with the specific embodiments.

[0033] Please refer to Figures 1-5 The utility model discloses an aluminium ash is with sieve mechanism, including compartment shell 1, be provided with the machine body 2 for sieving aluminium ash in compartment shell 1, and machine body 2 is equipped with the partition 5 for separating space in, and partition 5 has multiple groups, the rotatory mounting for supporting of rotary disc 4 is installed in machine body 2 inside, and the rotatory mounting of corresponding disc seat 3 with rotary disc 4 is installed in machine body 2, and disc seat 3 and rotary disc 4 between and disc seat 3 and partition 5 between all are equipped with cylinder frame 6, and the inner periphery of cylinder frame 6 is equipped with the sieve cylinder 7 for aluminium ash screening, and cylinder frame 6 outer periphery surface is equipped with the diamond net cylinder 8 for limiting, and diamond net cylinder 8 and sieve cylinder 7 between be provided with elastic ball 9, and elastic ball 9 has multiple groups;Disc seat 3 is equipped with swivel joint 11 away from one end of machine body 2, and machine body 2 outer wall surface is equipped with frame 10, and frame 10 and swivel joint 11 between are equipped with the horizontal pipe 12 for guiding material, and the rotatory mounting of feeding screw 13 is installed in horizontal pipe 12, and the rotatory mounting of direct shaft 15 for transmission is installed in frame 10, and frame 10 outer wall surface is equipped with the reducer 21 with direct shaft 15 transmission connection, and reducer 21 power input end is equipped with motor 22, and the rotatory mounting of runner 16 for transmission is installed in direct shaft 15 outer periphery, and disc seat 3 outer periphery is equipped with the pulley 17 with runner 16 adaptation, and pulley 17 and runner 16 between are equipped with the belt body 18 for transmission, and belt body 18 has multiple groups.

[0034] When using, when using aluminium ash sieving mechanism, and after grinding, aluminium material can enter horizontal pipe 12, so that the feeding screw 13 in horizontal pipe 12 rotates to facilitate the conveying of aluminium material in horizontal pipe 12, so that the aluminium material can stably pass through swivel joint 11 and enter sieve cylinder 7 inside machine body 2, facilitating screening thereof;

[0035] When aluminium material enters sieve cylinder 7, the motor 22 on the frame 10 at the top of machine body 2 can operate and drive the direct shaft 15 to rotate under the operation of the reducer 21, so that the direct shaft 15 rotates through the runner 16 and drives the pulley 17 on the outer periphery of the disc seat 3 through the multiple belt bodies 18, then the pulley 17 drives the disc seat 3 to rotate and makes the multiple cylinder frames 6 between the disc seat 3 and the rotary disc 4 and the disc seat 3 and the partition 5 rotate, at the same time, the cylinder frame 6 can drive the sieve cylinder 7 to rotate and sieve the aluminium material, and when the cylinder frame 6 rotates, the multiple elastic balls 9 between the sieve cylinder 7 and the diamond net cylinder 8 rebound under their own elasticity, then cooperate with the rotation and vibration of the sieve cylinder 7 to make the elastic balls 9 reciprocate and rebound, so that the elastic balls 9 can continuously knock the sieve cylinder 7 and vibrate the aluminium material stuck in the mesh of the sieve cylinder 7 to make the aluminium material more smoothly sieved, and the multiple sieve cylinders 7 cooperate to facilitate the sieving of aluminium material of different specifications.

[0036] As Figure 2And Figure 3 As shown in the figure, the end of the feed screw 13 outside the cross pipe 12 and the end of the straight shaft 15 outside the frame 10 are both equipped with chain wheels 19, and the two sets of chain wheels 19 are equipped with a chain 20 for transmission.

[0037] In use, when the straight shaft 15 rotates, it can drive the chain wheel 19 to rotate, and the chain wheel 19 can conveniently drive the chain wheel 19 outside the cross pipe 12 to rotate through the chain 20, and the chain wheel 19 can conveniently drive the feed screw 13 in the cross pipe 12 to rotate, so that the feed screw 13 can transport the aluminum material into the cross pipe 12, and the feed screw 13 and the screen cylinder 7 share the same set of motors 22, which is convenient for saving energy consumption and making the screen cylinder 7 inside the machine body 2 synchronous operation when the feed screw 13 operates, which is convenient for screening the aluminum material.

[0038] As shown in the figure, Figure 1 And Figure 2 As shown in the figure, the top surface of the compartment shell 1 is equipped with a frame plate 23 connected to the compartment shell 1, and the frame plate 23 has multiple sets, and the multiple sets of frame plates 23 are equipped with a branch pipe 25 for flow guiding, and the frame plate 23 is equipped with a fan 24 for ventilation.

[0039] In use, the frame plate 23 at the top of the compartment shell 1 is convenient for protecting the fan 24, and the fan 24 is convenient for ventilating the inside of the compartment shell 1, and the branch pipe 25 is convenient for guiding the airflow extracted by the fan 24.

[0040] As shown in the figure, Figure 1 , Figure 2 And Figure 5 As shown in the figure, the outer wall surface of the compartment shell 1 is equipped with a box body 26 for protection, and the box body 26 and the frame plate 23 are equipped with a bend pipe 27 for flow guiding, and the box body 26 is equipped with a pipe seat 29 connected to the bend pipe 27.

[0041] In use, the airflow extracted by the fan 24 can be discharged into the box body 26 through the bend pipe 27, and conveniently discharged from the air outlet at the bottom of the box body 26, thereby reducing the condition of random discharge of airflow.

[0042] As shown in the figure, Figure 2 And Figure 5 As shown in the figure, the pipe seat 29 is screw-mounted with a ring seat 31 for limiting, and the ring seat 31 and the pipe seat 29 are clamped with a filter bag body 30 for dust collection.

[0043] In use, when the air flow in the elbow pipe 27 enters the box body 26, it is convenient to pass through the pipe base 29 and enter the filter bag body 30, so that the filter bag body 30 is convenient to filter the air flow, so as to conveniently filter and intercept the aluminum dust mixed in the air flow, and the filtered air is conveniently discharged from the bottom of the box body 26, and the ring seat 31 screw-mounted on the outer periphery of the pipe base 29 is convenient to disassemble, so as to disassemble the filter bag body 30 clamped between the ring seat 31 and the pipe base 29, conveniently clean the collected aluminum dust in the filter bag body 30, and facilitate recycling.

[0044] As shown in Figure 2 and Figure 5 The box body 26 is equipped with a check valve 28 at the communication position with the elbow pipe 27.

[0045] In use, the check valve 28 between the box body 26 and the elbow pipe 27 can reduce the backflow of the air flow entering the pipe base 29, so that the filter bag body 30 can stably collect the aluminum dust mixed in the air.

[0046] As shown in Figure 1 The outer periphery of the compartment shell 1 is hinged with a warehouse door 32 for maintenance through a door shaft, and the warehouse door 32 has multiple groups.

[0047] In use, the warehouse door 32 on the outer periphery of the compartment shell 1 is convenient to open and close, so as to maintain the structure inside the compartment shell 1, and conveniently collect and take the sieved aluminum material.

[0048] Specifically, the top end surface of the horizontal pipe 12 is equipped with a material hopper 14 for guiding material.

[0049] In use, the material hopper 14 on the surface of the horizontal pipe 12 makes the ground aluminum material more conveniently enter the horizontal pipe 12, which is convenient for guiding, so as to more smoothly sieve the aluminum material.

[0050] The working principle and use process of the aluminum ash screening mechanism are as follows: when in use, first, the corresponding structural components are installed at appropriate positions, and when the aluminum ash screening mechanism is used, the ground aluminum material can enter the horizontal pipe 12, so that the motor 22 on the top frame 10 of the machine body 2 operates and drives the straight shaft 15 to rotate under the operation of the speed reducer 21, and when the straight shaft 15 rotates, the sprocket 19 can be driven to rotate, and the sprocket 19 is convenient for driving the sprocket 19 outside the horizontal pipe 12 to rotate through the chain 20, at the same time, the sprocket 19 is convenient for driving the feeding screw 13 in the horizontal pipe 12 to rotate, so that the feeding screw 13 can convey the aluminum material entering the horizontal pipe 12, and the feeding screw 13 and the screen cylinder 7 share the same set of motors 22, which is convenient for saving energy consumption, and the screen cylinder 7 in the machine body 2 operates synchronously when the feeding screw 13 operates, which is convenient for screening the aluminum material, and then the aluminum material can stably pass through the rotary joint 11 and enter the screen cylinder 7 in the machine body 2, which is convenient for screening, when the aluminum material enters the screen cylinder 7, the motor 22 on the top frame 10 of the machine body 2 operates and drives the straight shaft 15 to rotate under the operation of the speed reducer 21, and then the straight shaft 15 drives the pulley 16 and drives the belt pulley 17 outside the periphery of the disc seat 3 through a plurality of belt bodies 18 to rotate, and then the belt pulley 17 drives the disc seat 3 to rotate and makes the disc seat 3 and the plurality of cylinder frames 6 between the disc seat 3 and the partition plate 5 rotate, at the same time, the cylinder frame 6 can drive the screen cylinder 7 to rotate and screen the aluminum material, and when the cylinder frame 6 rotates, the plurality of elastic balls 9 between the screen cylinder 7 and the diamond mesh cylinder 8 rebound under their own elasticity, and then the rotation and vibration of the screen cylinder 7 cooperate with each other to make the elastic balls 9 reciprocate and rebound, so that the elastic balls 9 can continuously knock the screen cylinder 7 and vibrate the aluminum material stuck in the screen cylinder 7, so that the aluminum material can be more smoothly screened, and a plurality of screen cylinders 7 cooperate with each other to conveniently screen aluminum materials of different specifications, and when the aluminum ash is screened, the fan 24 in the top frame plate 23 of the compartment shell 1 operates and extracts the air in the compartment shell 1, so that the aluminum ash and dust floating in the air can be extracted and guided into the box body 26 outside the compartment shell 1 through the branch pipe 25 and the elbow pipe 27, and conveniently pass through the pipe seat 29 and enter the filter bag body 30, so that the filter bag body 30 can filter and intercept the aluminum powder mixed in the air, and the air conveniently passes through and is discharged from the bottom air outlet of the box body 26, and then only needs to rotate the ring seat 31 outside the periphery of the pipe seat 29 to disassemble the filter bag body 30, which is convenient for collecting the aluminum powder in the filter bag body 30 and recycling, so that the aluminum ash screening mechanism can operate more stably and smoothly.

[0051] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A screening mechanism for aluminum dross, characterized by, The utility model provides a kind of aluminum ash screening device, including compartment shell (1), the machine body (2) for screening aluminum ash is provided in the compartment shell (1), and the partition (5) for separating space is equipped in machine body (2), and partition (5) has multiple groups, rotatingly installed for supporting the rotating disc (4) in the inside of machine body (2), and rotatingly installed with the disc seat (3) corresponding with rotating disc (4) in machine body (2), both between disc seat (3) and rotating disc (4) and disc seat (3) and partition (5) are equipped with cylinder frame (6), and the inner periphery of cylinder frame (6) is equipped with the screen cylinder (7) for aluminum ash screening, the outer periphery surface of cylinder frame (6) is equipped with diamond mesh cylinder (8) for limiting, and diamond mesh cylinder (8) and screen cylinder (7) between are provided with elastic ball (9), and elastic ball (9) has multiple groups; The disc seat (3) is equipped with swivel joint (11) on the end away from machine body (2), and the outer wall surface of machine body (2) is equipped with frame (10), the horizontal pipe (12) for guiding material is equipped between frame (10) and swivel joint (11), and the feeding screw rod (13) is rotatably installed in the horizontal pipe (12), the straight shaft (15) for transmission is rotatably installed in the frame (10), and the reducer (21) is transmissionally connected with the straight shaft (15) on the outer wall surface of frame (10), and the power input end of reducer (21) is equipped with motor (22), the rotating wheel (16) for transmission is installed on the outer periphery of straight shaft (15), and the pulley (17) is adapted with rotating wheel (16) on the outer periphery of disc seat (3), the belt body (18) for transmission is equipped between pulley (17) and rotating wheel (16), and belt body (18) has multiple groups.

2. The screening mechanism for aluminum ash according to claim 1, wherein The feeding screw rod (13) is equipped with sprocket (19) on the end outside horizontal pipe (12) and the end outside straight shaft (15), and the chain (20) for transmission is equipped between two groups of sprocket (19).

3. The screening mechanism for aluminum ash according to claim 1, wherein The top surface of compartment shell (1) is equipped with frame plate (23) communicated with compartment shell (1), and frame plate (23) has multiple groups, and the branch pipe (25) for guiding flow is equipped between multiple groups of frame plate (23), and the fan (24) for ventilation is equipped in frame plate (23).

4. The screening mechanism for aluminum ash according to claim 1, wherein The outer wall surface of compartment shell (1) is equipped with box (26) for protection, and the elbow pipe (27) for guiding flow is equipped between box (26) and frame plate (23), and the pipe seat (29) is communicated with elbow pipe (27) in the box (26).

5. The screening mechanism for aluminum ash according to claim 4, wherein The ring seat (31) for limiting is screw-mounted on the outer periphery of pipe seat (29), and the filter bag body (30) for dust collection is clamped between ring seat (31) and pipe seat (29).

6. The screening mechanism for aluminum ash according to claim 4, wherein The non-return valve (28) is equipped at the communication place of box (26) and elbow pipe (27).

7. The screening mechanism for aluminum ash according to claim 1, wherein The outer periphery of compartment shell (1) is hinged with warehouse door (32) for maintenance through door shaft, and warehouse door (32) has multiple groups.

8. The screening mechanism for aluminum ash according to claim 1, wherein The top surface of horizontal pipe (12) is equipped with hopper (14) for guiding material.

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