Bag filter

Abstract

The utility model provides a bag type filter. The bag type filter comprises a barrel body, a water outlet and a water inlet, the barrel body is of a cylindrical shell structure with a semicircular lower end; the water inlet is welded and fixed to the outer wall of the lower portion of the barrel, and the water inlet and the barrel are arranged in the tangential direction. The drain outlet is formed in the middle of the bottom of the barrel; a barrel cover is fixed to the upper portion of the barrel body through bolts, and a fixing frame is welded and fixed to the inner wall of the barrel cover; a supporting frame is welded and fixed to the inner wall of the lower end of the barrel, and a supporting sleeve is welded and fixed to the middle position of the supporting frame; the rotating shaft is inserted and mounted in the supporting sleeve; the brush body is fixed above the rotating shaft, and the bristles are fixed on one side, close to the filter bag, of the brush body; by improving the bag type filter, the bag type filter has the advantages that the structure is simple, the filter bag can be brushed, the filtering efficiency of the filter bag is ensured, and the maintenance and cleaning time of the filter bag is prolonged, so that the problems and defects in the existing device are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bag filters, and more specifically, particularly to a bag filter. Background Art

[0002] Bag filter is a multi-purpose filtering equipment with novel structure, small size, simple and flexible operation, energy saving, high efficiency, closed working and strong applicability. Bag filter is a new type of filtering system. The filter bag is supported by a metal mesh basket inside the bag filter. The liquid flows in from the inlet and flows out from the outlet after being filtered by the filter bag. Impurities are intercepted in the filter bag and it can continue to be used after replacing the filter bag.

[0003] Bag filters are widely used. When the filtered material contains more impurities, the impurities are easy to adhere to the inner wall of the filter bag during precipitation, causing the filter bag to become blocked, affecting the filtering efficiency of the filter bag, and requiring the filter bag to be cleaned frequently, which is cumbersome and affects the use of the filter.

[0004] In view of this, research and improvement are conducted on the existing problems, and a bag filter is provided, aiming to solve the problems and improve the practical value through this technology. Utility Model Content

[0005] The purpose of the utility model is to provide a bag filter to solve the problems and shortcomings raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the utility model provides a bag filter, which is achieved by the following specific technical means:

[0007] A bag filter, comprising: a cylinder, a water outlet, a water inlet, a sewage outlet, a barrel cover, a fixing frame, a support plate, a filter basket, a filter bag, a support frame, a support sleeve, a rotating shaft, a brush body, and bristles; the cylinder is a cylindrical shell structure with a semicircular lower end; the water outlet is welded and fixed to the outer wall of the upper part of the cylinder; the water inlet is welded and fixed to the outer wall of the lower part of the cylinder, and the water inlet and the cylinder are arranged in a tangential direction; the sewage outlet is arranged in the middle position of the bottom of the cylinder; the barrel cover is fixed to the cylinder by bolts The support plate is welded and fixed to the upper part of the inner wall of the barrel; the filter bag is sleeved on the outside of the filter basket, and the upper end of the filter basket is pressed above the support plate, and the edge of the upper end of the filter bag is pressed between the filter basket and the support plate; the support frame is welded and fixed to the inner wall of the lower end of the barrel, and the support sleeve is welded and fixed to the middle position of the support frame; the rotating shaft is plugged and installed in the support sleeve; the brush body is fixed above the rotating shaft, and the bristles are fixed on the side of the brush body close to the filter bag.

[0008] As a further optimization of the technical solution, the brush body of the bag filter of the utility model is an English letter "L"-shaped plate structure, and the brush body is arranged in an array at three locations above the rotating shaft.

[0009] As a further optimization of the technical solution, the bristles of a bag filter of the utility model are fixed at multiple locations on one side of the brush body close to the filter bag, and the bristles are in contact with the filter bag.

[0010] As a further optimization of the technical solution, the utility model provides a bag filter in which the middle of the rotating shaft is a circular columnar structure, and two circular plate structures having a limiting function are arranged on the rotating shaft, and the rotating shaft is a rotating device.

[0011] As a further optimization of the technical solution, the support plate of the bag filter of the utility model is a circular ring-shaped plate structure, and the top surface of the support plate is provided with an annular groove for clamping the filter bag.

[0012] As a further optimization of the technical solution, in the utility model, the lower part of the fixing frame of a bag filter is a circular ring structure, and four circular columnar protrusions are arranged above the ring structure.

[0013] As a further optimization of the technical solution, the support sleeve of the bag filter of the utility model is a circular tubular structure.

[0014] As a further optimization of the technical solution, the support frame of the bag filter of the utility model is a rectangular strip structure, and the support frame array is provided in three locations.

[0015] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] 1. The bristles of the utility model are fixed at multiple locations on one side of the brush body close to the filter bag, and the bristles are arranged to abut against the filter bag. The bristles can brush off the impurities attached to the surface of the filter bag, thereby ensuring the filtering efficiency of the filter bag and extending the maintenance and cleaning time of the filter bag.

[0017] 2. The water inlet of the utility model is welded and fixed on the outer wall of the lower part of the cylinder, and the water inlet and the cylinder are arranged in a tangential direction. The liquid enters the cylinder in a tangential direction to drive the brush body to rotate. No power is required and the structure is simple.

[0018] 3. The sewage outlet of the utility model is arranged in the middle position of the bottom of the cylinder, which can regularly discharge the filtered impurities and reduce the filtering resistance of the filter bag.

[0019] 4. The utility model improves the bag filter and has the advantages of simple structure, can clean the filter bag, ensure the filtering efficiency of the filter bag, and extend the maintenance and cleaning time of the filter bag, thereby effectively solving the problems and shortcomings of the existing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 It is a schematic diagram of the explosion structure of the internal structure of the cylinder of the utility model.

[0024] In the figure: cylinder 1, water outlet 2, water inlet 3, sewage outlet 4, barrel cover 5, fixing frame 6, support plate 7, filter basket 8, filter bag 9, support frame 10, support sleeve 11, rotating shaft 12, brush body 13, and bristles 14. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figures 1 to 3 , the utility model provides a specific technical implementation scheme of a bag filter:

[0027] A bag filter, comprising: a cylinder 1, a water outlet 2, a water inlet 3, a sewage outlet 4, a barrel cover 5, a fixing frame 6, a support plate 7, a filter basket 8, a filter bag 9, a support frame 10, a support sleeve 11, a rotating shaft 12, a brush body 13, and bristles 14; the cylinder 1 is a cylindrical shell structure with a semicircular lower end; the water outlet 2 is welded and fixed to the outer wall of the upper part of the cylinder 1; the water inlet 3 is welded and fixed to the outer wall of the lower part of the cylinder 1, and the water inlet 3 is arranged in a tangential direction with the cylinder 1, and the liquid enters the cylinder 1 in a tangential direction, pushing the brush body 13 to rotate, without power, and the structure is simple; the sewage outlet 4 is arranged in the middle position of the bottom of the cylinder 1 , the filtered impurities can be discharged regularly, reducing the filtering resistance of the filter bag (9); the barrel cover 5 is fixed on the top of the barrel body 1 by bolts, and the fixing frame 6 is welded and fixed on the inner wall of the barrel cover 5; the lower part of the fixing frame 6 is a circular ring structure, and four circular columnar protrusions are provided on the upper part of the ring structure, and the fixing frame 6 presses the filter basket 8 and the filter bag 9 on the support plate 7; the support plate 7 is welded and fixed to the upper part of the inner wall of the barrel body 1; the support plate 7 is a circular ring plate structure, and the top surface of the support plate 7 is provided with an annular groove for clamping the filter bag 9; the filter bag 9 is sleeved on the outer side of the filter basket 8, and the upper end of the filter basket 8 is pressed on the upper part of the support plate 7, and the upper end of the filter bag 9 The edge of the filter basket 8 is pressed between the filter basket 8 and the support plate 7; the filter basket 8 supports the filter bag 9; the support frame 10 is welded and fixed to the inner wall of the lower end of the cylinder 1, and the support sleeve 11 is welded and fixed to the middle position of the support frame 10; the support frame 10 is a rectangular strip structure, and the support frame 10 array is provided with three places to support the support sleeve 11; the support sleeve 11 is a circular tubular structure, which is used to fix the rotating shaft 12; the rotating shaft 12 is plugged and installed in the support sleeve 11; the middle of the rotating shaft 12 is a circular columnar structure, and the rotating shaft 12 is provided with two circular plate structures that play a limiting role, and the rotating shaft 12 is a rotating device, and the brush body 13 The rotating shaft 12 is driven to rotate under the impact of the water flow to clean the surface of the filter bag 9; the brush body 13 is fixed above the rotating shaft 12, and the bristles 14 are fixed on the side of the brush body 13 close to the filter bag 9; the brush body 13 is an English letter "L"-shaped plate structure, and the brush body 13 is arranged in an array at three locations above the rotating shaft 12, and the water flow can drive the brush body 13 to rotate; the bristles 14 are arranged at multiple locations on the side of the brush body 13 close to the filter bag 9, and the bristles 14 are in contact with the filter bag 9, and the brush body 13 drives the bristles 14 to rotate, brushing off the impurities attached to the surface of the filter bag 9, ensuring the filtering efficiency of the filter bag 9 and extending the maintenance and cleaning time of the filter bag 9.

[0028] Specific implementation steps:

[0029] During use, liquid enters from the water inlet 3, is filtered through the filter bag 9 and flows out from the water outlet 2. At the same time, the liquid rotates in the cylinder 1, pushing the brush body 13 and the rotating shaft 12 to rotate. The bristles 14 follow the rotation to brush off the impurities on the surface of the filter bag 9, thereby ensuring the filtration efficiency of the filter bag 9. The impurities that fall on the lower part of the cylinder 1 are discharged by regularly opening the sewage outlet 4, thereby extending the maintenance and cleaning time of the filter bag 9 and ensuring the filtration efficiency.

[0030] To sum up: this bag filter has bristles fixed on one side of the brush body close to the filter bag in multiple places, and the bristles are in contact with the filter bag, so the bristles can brush off impurities attached to the surface of the filter bag, thereby ensuring the filtering efficiency of the filter bag and extending the maintenance and cleaning time of the filter bag; the water inlet is welded and fixed to the outer wall of the lower part of the cylinder, and the water inlet is arranged in a tangential direction to the cylinder, so that the liquid enters the cylinder in a tangential direction, pushing the brush body to rotate, without power, and has a simple structure; the sewage outlet is arranged in the middle position of the bottom of the cylinder, so that the filtered impurities can be discharged regularly, reducing the filtering resistance of the filter bag; the utility model has the advantages of simple structure, can clean the filter bag, ensure the filtering efficiency of the filter bag, and extend the maintenance and cleaning time of the filter bag through the improvement of the bag filter, thereby effectively solving the problems and shortcomings of the existing device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bag filter, comprising: A cylinder (1), a water outlet (2), a water inlet (3), a sewage outlet (4), a barrel cover (5), a fixing frame (6), a support plate (7), a filter basket (8), a filter bag (9), a support frame (10), a support sleeve (11), a rotating shaft (12), a brush body (13), and bristles (14); characterized in that: the cylinder (1) is a cylindrical shell structure with a semicircular lower end; the water outlet (2) is welded and fixed to the outer wall of the upper part of the cylinder (1); the water inlet (3) is welded and fixed to the outer wall of the lower part of the cylinder (1), and the water inlet (3) and the cylinder (1) are arranged in a tangential direction; the sewage outlet (4) is arranged in the middle position of the bottom of the cylinder (1); the barrel cover (5) is fixed to the cylinder (1) by bolts. The support plate (7) is welded and fixed to the upper part of the inner wall of the barrel (1); the filter bag (9) is sleeved on the outer side of the filter basket (8), and the upper end of the filter basket (8) is pressed above the support plate (7), and the edge of the upper end of the filter bag (9) is pressed between the filter basket (8) and the support plate (7); the support frame (10) is welded and fixed to the inner wall of the lower end of the barrel (1), and the support sleeve (11) is welded and fixed to the middle position of the support frame (10); the rotating shaft (12) is inserted and installed in the support sleeve (11); the brush body (13) is fixed above the rotating shaft (12), and the bristles (14) are fixed to the side of the brush body (13) close to the filter bag (9).

2. A bag filter according to claim 1, characterized in that: The brush body (13) is an English letter "L"-shaped plate-like structure, and the brush body (13) is arranged in an array at three locations above the rotating shaft (12).

3. A bag filter according to claim 1, characterized in that: The bristles (14) are arranged at multiple locations on a side of the brush body (13) close to the filter bag (9), and the bristles (14) are in contact with the filter bag (9).

4. A bag filter according to claim 1, characterized in that: The middle of the rotating shaft (12) is a circular columnar structure, and two circular plate structures having a limiting function are arranged on the rotating shaft (12), and the rotating shaft (12) is a rotating device.

5. A bag filter according to claim 1, characterized in that: The support plate (7) is a circular plate-shaped structure, and the top surface of the support plate (7) is provided with an annular groove for clamping the filter bag (9).

6. A bag filter according to claim 1, characterized in that: The lower part of the fixing frame (6) is a circular ring structure, and four circular columnar protrusions are arranged above the ring structure.

7. A bag filter according to claim 1, characterized in that: The support sleeve (11) is a circular tubular structure.

8. A bag filter according to claim 1, characterized in that: The support frame (10) is a rectangular strip structure, and the support frame (10) is arranged in three locations in an array.

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