Novel reusable aluminum polishing dust filter element

Abstract

The utility model discloses a novel reusable aluminum polishing dust filter element, relates to the technical field of filter elements, aims to solve the technical problem that the current dust filter element is inconvenient to reuse, and comprises a lower fixed seat, an upper fixed seat and a connecting and fixing structure. The inner-layer filter element and the outer-layer filter element form a filter structure, the outer-layer filter element and the inner-layer filter element are cylindrical, the periphery of the outer-layer filter element is folded in a V shape, and a V-shaped backwashing cavity channel is formed between the outer-layer filter element and the inner-layer filter element, so that when the device is used for a period of time, when more aluminum dust particles are blocked in filter holes of the outer-layer filter element, the inner-layer filter element and the outer-layer filter element are not blocked by the V-shaped backwashing cavity channel; a worker can directly take down the device from external purification equipment, then high-pressure gas is conveyed to the conveying pipeline through external gas conveying equipment, then the conveying pipeline is matched with the through hole to convey the high-pressure gas into a V-shaped backwashing cavity channel formed between the inner-layer filter element and the outer-layer filter element, and then the high-pressure gas can be used for backwashing the outer-layer filter element.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and more specifically, to a novel reusable aluminum grinding dust filter element. Background Technology

[0002] During the processing of aluminum products, the grinding process generates a large amount of aluminum dust. If this aluminum dust is directly released into the air, it will not only pollute the environment, affect air quality, and endanger the health of operators, but also, aluminum dust is flammable and may cause explosions and other safety accidents under certain conditions. In order to avoid the above phenomena, purification equipment is usually installed to filter the aluminum dust. The purification equipment mainly uses dust filter cartridges to filter the aluminum grinding dust.

[0003] Currently, most commonly used dust filter cartridges are disposable. After a period of use, dust clogs the filter holes, reducing filtration efficiency and requiring replacement. This disposable approach increases production costs for companies, and the disposal of waste cartridges also puts pressure on the environment. Therefore, we propose a new type of reusable aluminum grinding dust filter cartridge. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a new type of reusable aluminum grinding dust filter element to solve the technical problem that current dust filter elements are not easy to reuse.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a novel reusable aluminum grinding dust filter element, comprising a lower fixed seat, an upper fixed seat, and a connecting and fixing structure. A filter structure and a mesh cylinder are arranged between the lower fixed seat and the upper fixed seat. The filter structure includes an inner filter element and an outer filter element. The inner filter element is sleeved on the outside of the mesh cylinder, and the outer filter element is sleeved on the outside of the inner filter element. Several sets of V-shaped backwashing cavities are formed between the inner filter element and the outer filter element. A through hole corresponding to the V-shaped backwashing cavities is opened at the top of the lower fixed seat, and a groove is opened at the bottom of the lower fixed seat. A conveying pipeline is arranged at the top of the groove.

[0006] The V-shaped backwashing channel has a backwashing pipe arranged on the side facing the inner filter element. The side of the backwashing pipe facing away from the inner filter element is a semi-circular arc surface. Several sets of perforations are equally spaced on the semi-circular arc surface of the backwashing pipe, and the perforations are arranged in a gradually narrowing and widening manner.

[0007] This invention utilizes an inner and outer filter element to form a filtration structure. Both the inner and outer filter elements are cylindrical, with the outer filter element featuring a V-shaped fold around its circumference. A V-shaped backwashing channel is formed between the outer and inner filter elements. Therefore, after a period of use, when a significant amount of aluminum dust particles clog the pores of the outer filter element, the device can be directly removed from external purification equipment. High-pressure gas is then supplied via an external air supply system to the delivery pipeline. This high-pressure gas, through a perforated channel, delivers the gas to the V-shaped backwashing channel between the inner and outer filter elements. The high-pressure gas then backwashes the outer filter element, removing the aluminum dust particles that clog it. This allows for repeated use of the device, reducing enterprise costs and minimizing environmental pollution. Furthermore, this invention also incorporates a backwash pipe within a V-shaped backwash chamber. High-pressure gas entering the V-shaped backwash chamber can directly enter the backwash pipe, which is positioned close to the inner filter element. One side of the backwash pipe features a semi-circular arc design, facing the outer filter element. This semi-circular arc is perforated, allowing the high-pressure gas entering the backwash pipe to be ejected in a fan-shaped pattern through the perforations. This provides comprehensive backwashing of the V-shaped surface of the outer filter element, ensuring effective backwashing. The perforations are gradually narrowing and widening; based on the Venturi principle, the airflow ejected through these gradually widening perforations has a larger spray area and stronger spray force, further enhancing the backwashing effect on the outer filter element.

[0008] Preferably, the lower fixing seat and the upper fixing seat are provided with a circular groove and a V-shaped groove on opposite sides, and a limiting groove is provided at the through hole on opposite sides of the lower fixing seat and the upper fixing seat, and the limiting groove matches the backwash pipe.

[0009] Preferably, both the inner and outer filter elements are cylindrical, and the outer filter element has a V-shaped edge.

[0010] Preferably, the connecting and fixing structure includes a screw, a sleeve, a connecting plate, and a fixing nut. The screw is arranged at the top center of the lower fixing seat, the sleeve is arranged at the inner center of the upper fixing seat through the connecting plate, and the fixing nut is arranged at the top end of the screw that passes through the sleeve.

[0011] Preferably, the conveying pipeline includes a circular pipe, a connecting end pipe, an air inlet pipe, and a valve. The connecting end pipes are equidistantly arranged around the top of the circular pipe and are connected to the through holes. The air inlet pipe is arranged at the center of the circular pipe. Several sets of transmission pipes are equidistantly arranged between the air inlet pipe and the circular pipe. The valve is arranged on the air inlet pipe.

[0012] Preferably, the bottom end of the backwash pipe is provided with an insertion tube, and the outer diameter of the insertion tube is the same as the diameter of the through hole.

[0013] Preferably, the inner wall of the mesh cylinder is provided with a reinforcing skeleton, which is a cylindrical structure composed of several sets of circular rings and vertical ribs arranged in an alternating manner.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. This utility model uses an inner and outer filter element to form a filtration structure. Both the inner and outer filter elements are cylindrical, with the outer filter element having a V-shaped fold around its circumference. A V-shaped backwashing channel is formed between the outer and inner filter elements. Therefore, when the outer filter element is clogged with a large amount of aluminum dust particles during a period of use, the device can be removed from the external purification equipment. High-pressure gas is then supplied to the delivery pipeline through an external air supply device. The delivery pipeline, with its through-holes, delivers the high-pressure gas to the V-shaped backwashing channel formed between the inner and outer filter elements. The high-pressure gas then backwashes the outer filter element, removing the aluminum dust particles that clog it. This allows for repeated use of the device, reducing enterprise costs, minimizing environmental pollution, and solving the current technical problem of inconvenient reuse of dust filter elements. Therefore, this utility model has the advantage of being reusable.

[0016] 2. This utility model also incorporates a backwash pipe within the V-shaped backwash chamber. High-pressure gas entering the V-shaped backwash chamber can directly enter the backwash pipe, which is positioned close to the inner filter element. One side of the backwash pipe features a semi-circular arc design, facing the outer filter element. Perforations are provided on the semi-circular arc surface. Therefore, the high-pressure gas entering the backwash pipe can be ejected in a fan shape through these perforations, thus providing a comprehensive backwash of the V-shaped surface of the outer filter element. This ensures the effectiveness of the backwashing. Furthermore, the perforations are gradually narrowing and widening. Based on the Venturi principle, the airflow ejected through these gradually widening perforations has a larger spray area and stronger spray force, further enhancing the backwashing effect on the outer filter element. Attached Figure Description

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of the first structure of the lower fixed base of this utility model;

[0020] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle;

[0021] Figure 5This is a schematic diagram of the second structure of the lower fixed base of this utility model;

[0022] Figure 6 This is a schematic diagram of the conveying pipeline structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the connection and fixing structure of this utility model;

[0024] Figure 8 This is a schematic diagram of the backwash pipe structure of this utility model.

[0025] Description of the numbers in the figure:

[0026] 1. Lower fixed seat; 101. Through hole; 102. Groove; 103. Circular groove; 104. V-groove; 105. Limiting groove; 2. Upper fixed seat; 3. Filter structure; 301. Inner filter element; 302. Outer filter element; 303. V-shaped backwashing cavity; 4. Mesh cylinder; 401. Reinforcing frame; 5. Connecting and fixing structure; 501. Screw; 502. Sleeve; 503. Connecting plate; 504. Fixing nut; 6. Delivery pipeline; 601. Circular pipe; 602. Connecting end pipe; 603. Transmission pipe; 604. Air inlet end pipe; 605. Valve; 7. Backwashing pipe; 701. Punch; 702. Insertion pipe. Detailed Implementation

[0027] like Figures 1 to 8 As shown, this utility model relates to a novel reusable aluminum grinding dust filter element, including a lower fixed base 1, an upper fixed base 2, and a connecting and fixing structure 5. A filter structure 3 and a mesh cylinder 4 are arranged between the lower fixed base 1 and the upper fixed base 2. The filter structure 3 includes an inner filter element 301 and an outer filter element 302. The inner filter element 301 is fitted onto the outside of the mesh cylinder 4, and the outer filter element 302 is fitted onto the outside of the inner filter element 301. Several sets of V-shaped backwashing channels 303 are formed between the inner filter element 301 and the outer filter element 302. The top of the lower fixed base 1 has a through hole 101 corresponding to the V-shaped backwashing channel 303, and the bottom of the lower fixed base 1 has a slot 102. A conveying pipe 6 is arranged at the top of the slot 102. Both filter element 301 and outer filter element 302 are cylindrical, with the outer filter element 302 having a V-shaped edge. During the use of the device, when a large amount of aluminum dust particles clog the filter holes of the outer filter element 302, personnel can directly remove the device from the external purification equipment. Then, high-pressure gas is supplied to the delivery pipeline 6 through the external air supply equipment. The delivery pipeline 6, in conjunction with the through hole 101, delivers the high-pressure gas to the V-shaped backwashing cavity 303 formed between the inner filter element 301 and the outer filter element 302. The high-pressure gas can then backwash the outer filter element 302, thereby washing away the aluminum dust particles clogging the outer filter element 302. This allows for repeated use of the device, reducing enterprise costs and environmental pollution.

[0028] Specifically, the lower fixed seat 1 and the upper fixed seat 2 are provided with circular grooves 103 and V-shaped grooves 104 on opposite sides. When the lower fixed seat 1 and the upper fixed seat 2 are installed with the filter structure 3 and the screen cylinder 4, the inner filter element 301 and the screen cylinder 4 are inserted into the circular grooves 103 of the lower fixed seat 1 and the upper fixed seat 2, and the outer filter element 302 is inserted into the V-shaped grooves 104 of the lower fixed seat 1 and the upper fixed seat 2.

[0029] Furthermore, the connecting and fixing structure 5 includes a screw 501, a sleeve 502, a connecting plate 503, and a fixing nut 504. The screw 501 is arranged at the top center of the lower fixing seat 1, the sleeve 502 is arranged at the inner center of the upper fixing seat 2 through the connecting plate 503, and the fixing nut 504 is arranged at the top end of the sleeve 502 through which the screw 501 passes. After the lower fixing seat 1 and the upper fixing seat 2 are installed with the filter structure 3 and the screen cylinder 4, the screw 501 on the lower fixing seat 1 passes through the sleeve 502 of the upper fixing seat 2, and then the fixing nut 504 on the screw 501 is tightened so that the fixing nut 504 presses against the sleeve 502, thereby realizing the fixed connection between the lower fixing seat 1 and the upper fixing seat 2.

[0030] Furthermore, the delivery pipeline 6 includes a circular annular pipe 601, a connecting end pipe 602, an air inlet pipe 604, and a valve 605. The connecting end pipes 602 are equidistantly arranged around the top of the circular annular pipe 601 and are connected to the through holes 101. The air inlet pipe 604 is located at the center of the circular annular pipe 601. Several sets of transmission pipes 603 are equidistantly arranged between the air inlet pipe 604 and the circular annular pipe 601. The valve 605 is located on the air inlet pipe 604. An external air supply device is connected to the air inlet pipe 604. When the valve 605 is opened, high-pressure gas can be evenly delivered to the circular annular pipe 601 through the transmission pipes 603, and then evenly delivered to each set of V-shaped backwashing chambers 303 through the connecting end pipes 602 for backwashing operations.

[0031] It is worth noting that the inner wall of the mesh cylinder 4 is provided with a reinforcing frame 401. The reinforcing frame 401 is a cylindrical structure composed of several sets of circular rings and vertical ribs. The reinforcing frame 401 is mainly used to reinforce the mesh cylinder 4 and improve the support strength of the mesh cylinder 4.

[0032] In an embodiment of this utility model, a backwash pipe 7 is arranged inside the V-shaped backwashing cavity 303 facing the inner filter element 301. The backwash pipe 7 facing away from the inner filter element 301 is a semi-circular arc surface. Several sets of perforations 701 are equidistantly opened on the semi-circular arc surface of the backwash pipe 7, and the perforations 701 are arranged in a gradually narrowing and widening manner. The high-pressure gas entering the backwash pipe 7 can be ejected in a fan shape through the perforations 701 on the semi-circular arc surface, thereby performing a comprehensive backwash on the V-shaped surface of the outer filter element 302, ensuring the backwashing effect of the outer filter element 302. According to the Venturi principle, the airflow ejected through the gradually narrowing and widening perforations 701 has the effect of a larger spray area and stronger spray force, thereby further improving the backwashing effect of the outer filter element 302.

[0033] Specifically, a limiting groove 105 is provided at the through hole 101 on the opposite side of the lower fixed seat 1 and the upper fixed seat 2, and the limiting groove 105 matches the backwash pipe 7. The bottom end of the backwash pipe 7 is provided with an insertion tube 702, and the outer diameter of the insertion tube 702 is the same as the diameter of the through hole 101. When the backwash pipe 7 is installed, both ends of the backwash pipe 7 are inserted into the limiting groove 105 of the lower fixed seat 1 and the upper fixed seat 2 respectively, thereby realizing the fixed installation of the backwash pipe 7. At this time, the insertion tube 702 of the backwash pipe 7 is inserted into the corresponding through hole 101, and the high-pressure gas delivered from the outside can directly enter the backwash pipe 7.

[0034] Working principle: This embodiment provides a novel reusable aluminum grinding dust filter element. First, during the initial use of the device, when a large amount of aluminum dust particles clog the filter holes of the outer filter element 302, personnel can directly remove the device from the external purification equipment. Then, high-pressure gas is supplied to the delivery pipeline 6 through the external air supply equipment. The delivery pipeline 6, in conjunction with the through hole 101, delivers the high-pressure gas to the V-shaped backwashing cavity 303 formed between the inner filter element 301 and the outer filter element 302. The high-pressure gas can then backwash the outer filter element 302, thereby washing away the aluminum dust particles clogging the outer filter element 302. This allows for repeated use of the device, reducing enterprise costs and environmental pollution.

[0035] Secondly, the high-pressure gas entering the backwash pipe 7 can be ejected in a fan shape through the perforations 701 on the semi-circular surface, thereby fully backwashing the V-shaped surface of the outer filter element 302 and ensuring the backwashing effect of the outer filter element 302. According to the Venturi principle, the airflow ejected through the gradually narrowing and widening perforations 701 has the effect of a larger spray area and stronger spray force, which can further improve the backwashing effect of the outer filter element 302.

[0036] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A novel reusable aluminum grinding dust filter element, characterized in that, The device includes a lower fixed seat (1), an upper fixed seat (2), and a connecting and fixing structure (5). A filter structure (3) and a mesh cylinder (4) are arranged between the lower fixed seat (1) and the upper fixed seat (2). The filter structure (3) includes an inner filter element (301) and an outer filter element (302). The inner filter element (301) is fitted to the outside of the mesh cylinder (4), and the outer filter element (302) is fitted to the outside of the inner filter element (301). Several sets of V-shaped backwashing channels (303) are formed between the inner filter element (301) and the outer filter element (302). The lower fixed seat (1) has a through hole (101) at the top corresponding to the V-shaped backwashing channel (303), and a slot (102) is opened at the bottom of the lower fixed seat (1). A conveying pipeline (6) is arranged at the top of the slot (102). The V-shaped backwashing cavity (303) has a backwashing pipe (7) arranged on the side facing the inner filter element (301). The backwashing pipe (7) on the side facing away from the inner filter element (301) is a semi-circular arc surface. Several sets of perforations (701) are equally spaced on the semi-circular arc surface of the backwashing pipe (7). The perforations (701) are arranged in a gradually narrowing and widening manner.

2. The novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, The lower fixing seat (1) and the upper fixing seat (2) are provided with a circular groove (103) and a V-shaped groove (104) on the opposite side. A limiting groove (105) is provided at the through hole (101) on the opposite side of the lower fixing seat (1) and the upper fixing seat (2), and the limiting groove (105) matches the backwash pipe (7).

3. The novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, Both the inner filter element (301) and the outer filter element (302) are cylindrical, and the outer filter element (302) has a V-shaped edge.

4. The novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, The connecting and fixing structure (5) includes a screw (501), a sleeve (502), a connecting plate (503), and a fixing nut (504). The screw (501) is arranged at the top center of the lower fixing seat (1), the sleeve (502) is arranged at the inner center of the upper fixing seat (2) through the connecting plate (503), and the fixing nut (504) is arranged at the top end of the screw (501) that passes through the sleeve (502).

5. A novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, The conveying pipeline (6) includes a circular pipe (601), a connecting end pipe (602), an air inlet pipe (604), and a valve (605). The connecting end pipe (602) is equidistantly arranged around the top of the circular pipe (601). The connecting end pipe (602) is connected to the through hole (101). The air inlet pipe (604) is arranged at the center of the circular pipe (601). Several sets of transmission pipes (603) are equidistantly arranged between the air inlet pipe (604) and the circular pipe (601). The valve (605) is arranged on the air inlet pipe (604).

6. A novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, The backwash pipe (7) has an insertion tube (702) at its bottom end, and the outer diameter of the insertion tube (702) is the same as the diameter of the through hole (101).

7. A novel reusable aluminum grinding dust filter element according to claim 1, characterized in that, The inner wall of the mesh cylinder (4) is provided with a reinforcing skeleton (401), which is a cylindrical structure composed of several sets of circular rings and vertical ribs.

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