Filter element of bag filter

Abstract

The utility model discloses a filter element of a bag type filter, relates to the technical field of bag type filters, and in particular relates to a filter element of a bag type filter, which comprises a filter tank body, a filter tank cover, a water inlet pipe, a water outlet pipe and bolts, a water inlet pipe and a water outlet pipe are fixed on the outer side of the filtering tank body, the water inlet pipe and the water outlet pipe are communicated with the interior of the filtering tank body, a filter element is arranged in the filtering tank body, the filter element comprises a metal net basket, a filter bag, a supporting frame and a fixing plate, and the outer side of the supporting frame is sleeved with the filter bag. The filter bag is sleeved in the metal net basket, and the outer side of the filter bag is in contact with the inner side of the metal net basket. According to the filter element of the bag filter, liquid can be filtered along the guide plates on the side wall of the filter bag under the blocking of the guide plates, and the liquid can be distributed on each layer of guide plates under the action of the shunting holes.

Description

Technical Field

[0001] The utility model relates to the technical field of bag filters, in particular to a bag filter element. 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. The impurities are intercepted in the filter bag. After replacing the filter bag, it can continue to be used. When the bag filter element is filtering, the liquid enters the top of the filter tank through the liquid inlet pipe and then enters the filter bag. The liquid flows from the inner surface of the filter bag to the outer surface, and the filtered particulate impurities are retained in the filter bag. When the liquid passes through the filter bag, the path of the water flow is linear, and then filtered by the filter bag. However, the filter bag will increase its filtration aperture accordingly under the long-term flushing of the water flow, thereby reducing its filtration accuracy, and the water flow impacts the bottom of the filter bag for a long time, and then under the action of the water flow impact force, the filter bag will be damaged, thereby reducing its service life. For this reason, we propose a bag filter element. Summary of the invention

[0003] The utility model provides a bag filter element, which solves the problems raised by the above background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical scheme: a bag filter element, including a filter tank body, a filter tank cover, a water inlet pipe, a water outlet pipe, and bolts. The top of the filter tank body is connected to the filter tank cover by multiple bolts, and an inlet pipe and a water outlet pipe are fixed on the outside of the filter tank body, and the inlet pipe and the outlet pipe are connected to the interior of the filter tank body. A filter element is arranged inside the filter tank body, and the filter element includes a metal mesh basket, a filter bag, a support frame, and a fixing plate. A filter bag is sleeved on the outside of the support frame, and the filter bag is sleeved on the inside of the metal mesh basket, and the outside of the filter bag contacts the inside of the metal mesh basket. A plurality of guide plates inclined from the outside to the middle are fixed inside the support frame, and the guide plates are arranged layer by layer inside the support frame, and a plurality of diversion holes inclined on the outside are opened through the guide plates.

[0005] Optionally, a through hole is opened in the middle of the guide plate, and the through holes on the multiple guide plates gradually become larger from bottom to top.

[0006] Optionally, a fixing plate is fixed to the inner wall of the filter tank body, and the top in the middle of the fixing plate is movably connected to the metal mesh basket, the filter bag and the support frame in sequence from bottom to top.

[0007] Optionally, a limiting plate is inserted into the top of the support frame, and four sliding rods are fixed on the top of the limiting plate, and a conductive plate is commonly fixed in the middle of the four sliding rods.

[0008] Optionally, a spring is fixed in the middle of the top of the conductive plate, and a pressing plate is fixed on the top of the spring.

[0009] Optionally, the lower pressing plate is movably connected to four sliding rods, and a limiting column is fixed in the middle of the top of the lower pressing plate, and the limiting column is plugged into the middle of the bottom of the filter tank cover.

[0010] The utility model has the following beneficial effects:

[0011] 1. The bag filter element can filter the liquid along the side wall of the filter bag under the obstruction of the guide plate, and the liquid can be distributed on the guide plates of each layer through the diversion hole, so that the liquid can be diverted and filtered through various places on the filter bag, avoiding the liquid from being directly filtered through the bottom of the filter bag and causing damage to the bottom of the filter bag, thereby extending its service life.

[0012] 2. The bag filter element has a structure in which the through holes on the multiple guide plates gradually become larger from bottom to top, so that part of the liquid can be retained by the guide plates of each layer during the downward flow, so that the liquid can be smoothly distributed on the guide plates of each layer, and then filtered through various parts of the filter bag, ensuring that it can be smoothly diverted. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the cross-sectional part of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the sliding rod connection of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the support frame connection of the utility model.

[0018] In the figure: 1. filter tank body; 2. filter tank cover; 3. water inlet pipe; 4. water outlet pipe; 5. bolts; 6. metal mesh basket; 7. filter bag; 8. support frame; 9. guide plate; 10. fixing plate; 11. limiting column; 12. diversion hole; 13. lower pressure plate; 14. conduction plate; 15. spring; 16. sliding rod; 17. limiting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 5 A bag filter element comprises a filter tank body 1, a filter tank cover 2, an inlet pipe 3, an outlet pipe 4, and bolts 5. The top of the filter tank body 1 is connected to the filter tank cover 2 by multiple bolts 5, so that it can be in a closed environment for filtering, and an inlet pipe 3 and an outlet pipe 4 are fixed on the outside of the filter tank body 1, wherein the inlet pipe 3 is at the top of the filter tank body 1, and the outlet pipe 4 is at the bottom of the filter tank body 1, so that its liquid can enter through the inlet pipe 3 and then be discharged through the outlet pipe 4, and the inlet pipe 3 and the outlet pipe 4 are connected with the interior of the filter tank body 1, and a filter element is arranged inside the filter tank body 1, and its liquid passes through the filter element and is filtered. The filter element comprises a metal mesh basket 6, a filter bag 7, a support frame 8, and a fixing plate 10, and a filter bag 7 is sleeved on the outside of the support frame 8, and the filter bag 7 is sleeved on the support frame 8. The outside of the frame 8 can make the installation of the filter bag 7 more convenient, and the filter bag 7 is sleeved on the inside of the metal mesh basket 6, and the outside of the filter bag 7 is in contact with the inside of the metal mesh basket 6. There are water outlet holes on the filter bag 7 to ensure the smooth flow of water, and the limitation of the support frame 8 and the metal mesh basket 6 makes the limitation of the filter bag 7 more stable, avoiding the filter bag 7 from wrinkling under the impact of the water flow, so that the filter bag 7 can be evenly distributed, and a plurality of guide plates 9 inclined from the outside to the middle are fixed inside the support frame 8, and the guide plates 9 are arranged layer by layer inside the support frame 8. Under the action of the guide plates 9, the liquid can be diverted, so that the liquid can be filtered through various places on the filter bag 7, and a plurality of diversion holes 12 inclined on the outside are opened through the guide plates 9, so that the liquid can be smoothly distributed on the guide plates 9 of each layer.

[0021] See also Figures 1 to 5 A through hole is opened in the middle of the guide plate 9, and the through holes on the multiple guide plates 9 gradually become larger from bottom to top, so that when the liquid flows downward, part of the liquid can be retained by the guide plates 9 of each layer, so that the liquid can be smoothly distributed on the guide plates 9 of each layer.

[0022] See also Figures 1 to 4A fixing plate 10 is fixed to the inner wall of the filter tank body 1, and the top in the middle of the fixing plate 10 is movably connected with the metal mesh basket 6, the filter bag 7, and the support frame 8 from bottom to top, so that the metal mesh basket 6, the filter bag 7, and the support frame 8 can be installed in sequence, so that the filter bag 7 can filter stably.

[0023] See also Figures 1 to 5 A limiting plate 17 is inserted at the top of the support frame 8. Under the limitation of the limiting plate 17, the support frame 8 can be limited to a fixed position, thereby limiting the positions of the metal mesh basket 6 and the filter bag 7, and four sliding rods 16 are fixed on the top of the limiting plate 17. Under the push of the sliding rods 16, the limiting plate 17 can be stably plugged into the support frame 8, ensuring the stable installation of the support frame 8. A conductive plate 14 is fixed in the middle of the four sliding rods 16. Under the push of the conductive plate 14, the sliding rod 16 can be pressed down.

[0024] See also Figures 1 to 4 A spring 15 is fixed in the middle of the top of the conductive plate 14, and a lower pressure plate 13 is fixed to the top of the spring 15. Under the push of the lower pressure plate 13, the spring 15 can be compressed, and then under the action of the elastic force of the spring 15, the conductive plate 14 can be pressed down.

[0025] See also Figures 1 to 4 The lower pressure plate 13 is movably connected with four sliding rods 16. Under the limitation of the sliding rods 16, the lower pressure plate 13 can move along a fixed track, and a limiting column 11 is fixed in the middle of the top of the lower pressure plate 13. Under the push of the limiting column 11, the lower pressure plate 13 can move downward, and the limiting column 11 is plugged into the middle of the bottom of the filter tank cover 2, so that the lower pressure plate 13 can be stably in a fixed position.

[0026] In summary, when the bag filter element is in use, the filter bag 7 is put on the outside of the support frame 8, and then the metal mesh basket 6 is placed on the fixing plate 10, and then the completed filter bag 7 and support frame 8 are placed above the metal mesh basket 6, and then the filter tank cover 2 is aligned with the limiting column 11, and then the installation with the filter tank body 1 is completed by bolts 5, and the liquid enters the top of the filter tank body 1 through the water inlet pipe 3, and then the liquid enters through the top of the support frame 8, and then enters the guide plates 9 on each layer through the through hole, and then is filtered at various places on the filter bag 7, and under the action of the diversion hole 12, the liquid flowing through the guide plate 9 can be distributed to the guide plates 9 on each layer, and through the diversion hole 12 on the guide plate 9 of the bottom layer, so that the liquid can be filtered at various places on the bottom of the filter bag 7.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0028] 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 element, comprising a filter tank body (1), a filter tank cover (2), a water inlet pipe (3), a water outlet pipe (4), and bolts (5), wherein the top of the filter tank body (1) is connected to the filter tank cover (2) by a plurality of bolts (5), and the water inlet pipe (3) and the water outlet pipe (4) are fixed to the outside of the filter tank body (1), and the water inlet pipe (3) and the water outlet pipe (4) are connected to the inside of the filter tank body (1), characterized in that: A filter element is arranged inside the filter tank body (1), and the filter element comprises a metal mesh basket (6), a filter bag (7), a support frame (8), and a fixing plate (10). The filter bag (7) is sleeved on the outside of the support frame (8), and the filter bag (7) is sleeved inside the metal mesh basket (6), and the outside of the filter bag (7) is in contact with the inside of the metal mesh basket (6). A plurality of guide plates (9) inclined from the outside to the middle are fixed inside the support frame (8), and the guide plates (9) are arranged layer by layer inside the support frame (8), and a plurality of diversion holes (12) inclined from the outside are penetrated on the guide plates (9).

2. A bag filter element according to claim 1, characterized in that: A through hole is provided in the middle of the guide plate (9), and the through holes on the plurality of guide plates (9) gradually become larger from bottom to top.

3. A bag filter element according to claim 1, characterized in that: A fixing plate (10) is fixed to the inner wall of the filter tank body (1), and the top of the fixing plate (10) is movably connected to the metal mesh basket (6), the filter bag (7), and the support frame (8) in sequence from bottom to top.

4. A bag filter element according to claim 3, characterized in that: A limiting plate (17) is inserted into the top of the support frame (8), and four sliding rods (16) are fixed on the top of the limiting plate (17), and a conducting plate (14) is fixed in the middle of the four sliding rods (16).

5. A bag filter element according to claim 4, characterized in that: A spring (15) is fixed in the middle of the top of the conductive plate (14), and a lower pressing plate (13) is fixed at the top of the spring (15).

6. A bag filter element according to claim 5, characterized in that: The lower pressing plate (13) is movably connected to the four sliding rods (16), and a limiting column (11) is fixed in the middle of the top of the lower pressing plate (13), and the limiting column (11) is plugged into the middle of the bottom of the filter tank cover (2).

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