High-efficiency liquid tank filter

Abstract

The utility model relates to the technical field of liquid tank filters, in particular to a liquid tank high-efficiency filter which comprises an air pipe, a filter body is installed in the air pipe, and a reciprocating driving assembly is installed at the position, close to the filter body, of the inner wall of the top end of the air pipe. A reciprocating driving assembly is fixed to the front side of the filter body, a back flushing assembly attached to the front side of the filter body is fixed to the moving end of the reciprocating driving assembly, and a back flushing air pump is connected to the bottom end of the back flushing assembly. And the back-blowing airflow passes through the filter body to perform back-blowing cleaning work on dust impurities adhered to the front side, so that dust particles are prevented from blocking filter holes of the filter body, and the purpose of back-blowing cleaning of the filter body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid tank filters, in particular to a liquid tank high efficiency filter. Background Art

[0002] Liquid trough type high efficiency filter is a partition-free high efficiency filter, which makes it an ideal terminal filter for industrial clean rooms and biological clean rooms. It is also an ideal supporting filter for other purification equipment. It is widely used in clean rooms with higher requirements, large-area vertical laminar flow, Class 100 flow hoods and the installation of HEPA high efficiency filters.

[0003] A large amount of dust and impurities adhere to the front side of the filter screen of the existing liquid tank type high efficiency filter, and it needs to be disassembled and cleaned during use. The existing cleaning work requires it to be disassembled from the air duct, which is inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a liquid tank high efficiency filter to solve the problems raised in the above background technology.

[0005] The technical solution of the utility model is: a liquid tank high-efficiency filter, including an air duct, a filter body is installed in the air duct, a reciprocating drive assembly is installed on the inner wall of the top end of the air duct close to the filter body, a back-blowing assembly is fixed on the moving end of the reciprocating drive assembly and is in contact with the front side of the filter body, and the bottom end of the back-blowing assembly is connected to a back-blowing air pump.

[0006] The effects achieved by the above components are: high-pressure air can be input into the back-blowing assembly through the back-blowing air pump, and the back-blowing assembly is used to blow the airflow evenly toward the filter body. The back-blowing airflow passes through the filter body to back-blow and clean the dust impurities adhering to the front side, thereby preventing dust particles from clogging the filter pores of the filter body and achieving the purpose of back-blowing and cleaning the filter body. In addition, the reciprocating drive assembly can drive the back-blowing assembly to reciprocate along the surface of the filter body, thereby achieving the purpose of completely cleaning the filter body.

[0007] Preferably, the reciprocating drive assembly includes a reciprocating screw rotatably mounted on the inner wall of the top end of the air duct, a threaded sleeve on the reciprocating screw is provided with a reciprocating slider that fits into the inner wall of the top end of the air duct, the bottom end of the reciprocating slider is fixedly connected to the top end of the back-blowing assembly, and one end of the reciprocating screw is transmission-connected to a drive motor.

[0008] The effect achieved by the above components is: the reciprocating screw is driven to rotate by the driving motor, thereby driving the backflush assembly at the bottom end of the reciprocating slider to move back and forth.

[0009] Preferably, the back-blowing assembly includes a slot plate fixed to the bottom of the reciprocating slider, the bottom end of the slot plate is connected to the air outlet end of the back-blowing air pump, a partition bar is fixed on one side of the slot plate close to the filter body, and staggered diversion blocks are fixed on both sides of the partition bar.

[0010] The effect achieved by the above components is that the gas introduced into the slot plate by the back-blowing air pump can be evenly diverted through the spacers and the diversion blocks, thereby achieving the purpose of even back-blowing cleaning of the filter body.

[0011] Preferably, symmetrical first inclined surfaces are provided on both sides of the partition bar.

[0012] The effect achieved by the above components is that the airflow on both sides of the partition bar can be evenly distributed and guided by the first inclined surface, so that the airflow on both sides of the partition bar is more uniform.

[0013] Preferably, the top and bottom of the diverter block are both provided with a second inclined surface.

[0014] The effect achieved by the above components is that the airflow passing through the gap between the two diverter blocks can be guided by the second inclined surface.

[0015] Preferably, a collecting box is installed at the bottom end of the air duct near the back side of the filter body, and a blanking plate is hinged at the bottom end of the collecting box.

[0016] The effect achieved by the above components is that dust can be collected through the collection box, and it is easy to clean after opening the blanking plate.

[0017] The present invention provides a high efficiency filter for liquid tank by improvement, which has the following improvements and advantages compared with the prior art:

[0018] The utility model can input high-pressure air into the back-blowing component through the back-blowing air pump, and utilize the back-blowing component to blow the airflow evenly toward the filter body. The back-blowing airflow passes through the filter body to back-blow and clean the dust impurities adhering to the front side, thereby preventing dust particles from clogging the filter pores of the filter body, thereby achieving the purpose of back-blowing and cleaning the filter body. In addition, the reciprocating drive component can drive the back-blowing component to reciprocate along the surface of the filter body, thereby achieving the purpose of completely cleaning the filter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the reciprocating drive mechanism in the utility model;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the backflush component in the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of a part of the backflush component in the utility model;

[0024] Figure 5 It is a schematic side-sectional three-dimensional structural diagram of the backflush assembly in the utility model.

[0025] Description of reference numerals:

[0026] 1. Air duct; 2. Back-blowing assembly; 21. Slot plate; 22. Spacer; 23. Diverter block; 3. Reciprocating drive assembly; 31. Reciprocating screw; 32. Reciprocating slider; 33. Drive motor; 4. Back-blowing air pump; 5. Filter body; 6. Collection box; 7. First inclined surface; 8. Second inclined surface. DETAILED DESCRIPTION

[0027] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The utility model provides a liquid tank high efficiency filter through improvement. The technical solution of the utility model is:

[0029] In the embodiment of the present utility model, as Figure 1-Figure 5 The filter element 3 is a kind of high efficiency filter of liquid tank, comprises an air duct 1, a filter body 5 is installed in the air duct 1, and a reciprocating drive assembly 3 is installed at the position of the inner wall of the top end of the air duct 1 near the filter body 5. The reciprocating drive assembly 3 comprises a reciprocating screw rod 31 rotatably mounted on the inner wall of the top end of the air duct 1, a threaded sleeve is provided on the reciprocating screw rod 31, and a reciprocating slider 32 is fitted with the inner wall of the top end of the air duct 1, and the bottom end of the reciprocating slider 32 is fixedly connected to the top of the back-blowing assembly 2. One end of the reciprocating screw rod 31 is transmission-connected to a driving motor 33, which drives the reciprocating screw rod 31 to rotate, thereby driving the back-blowing assembly 2 at the bottom end of the reciprocating slider 32 to move back and forth. The moving end of the reciprocating drive assembly 3 is fixed with a back-blowing assembly 2 fitted with the front side of the filter body 5, and the bottom end of the back-blowing assembly 2 is connected to a back-blowing air pump 4. A collecting box 6 is installed at the bottom end of the air duct 1 near the back side of the filter body 5, and a blanking plate is hinged at the bottom end of the collecting box 6, so that dust can be collected through the collecting box 6, and it is convenient to clean after the blanking plate is opened.

[0030] In an embodiment of the present utility model, the back-blowing assembly 2 includes a slot plate 21 fixed to the bottom of the reciprocating slider 32, the bottom end of the slot plate 21 is connected to the air outlet end of the back-blowing air pump 4, and a partition bar 22 is fixed on one side of the slot plate 21 close to the filter body 5, and staggered diversion blocks 23 are fixed on both sides of the partition bar 22. The gas introduced into the slot plate 21 by the back-blowing air pump 4 can be evenly diverted through the partition bar 22 and the diversion block 23, thereby achieving the purpose of uniform back-blowing cleaning of the filter body 5. A symmetrical first inclined surface 7 is provided on both sides of the partition bar 22, and the airflow on both sides of the partition bar 22 can be evenly distributed and guided through the first inclined surface 7, so that the airflow on both sides of the partition bar 22 is more uniform. A second inclined surface 8 is provided on the top and bottom of the diversion block 23, and the second inclined surface 8 can guide the airflow passing through the gap between the two diversion blocks 23.

[0031] The working principle of a liquid tank high-efficiency filter provided by the utility model is as follows: high-pressure air can be input into the back-blowing assembly 2 through the back-blowing air pump 4, and the partition 22 and the diversion block 23 can evenly divert the gas introduced into the slot plate 21 by the back-blowing air pump 4, and blow the airflow evenly to the filter body 5. The back-blowing airflow passes through the filter body 5 to back-blow and clean the dust impurities adhering to the front side, so as to prevent dust particles from clogging the filter holes of the filter body 5, thereby achieving the purpose of back-blowing and cleaning the filter body 5. In addition, the driving motor 33 drives the reciprocating screw 31 to rotate, and then drives the back-blowing assembly 2 at the bottom end of the reciprocating slider 32 to reciprocate along the surface of the filter body 5, thereby achieving the purpose of completely cleaning the filter body 5.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high efficiency filter for a liquid tank, comprising an air duct (1), wherein a filter body (5) is installed in the air duct (1), characterized in that: A reciprocating drive assembly (3) is installed on the inner wall of the top end of the air duct (1) near the filter body (5); a back-blowing assembly (2) is fixed on the movable end of the reciprocating drive assembly (3) and is in contact with the front side of the filter body (5); and a back-blowing air pump (4) is connected to the bottom end of the back-blowing assembly (2).

2. A liquid tank high efficiency filter according to claim 1, characterized in that: The reciprocating drive assembly (3) comprises a reciprocating screw (31) rotatably mounted on the inner wall of the top end of the air duct (1); a reciprocating slider (32) is threadedly sleeved on the reciprocating screw (31) and is in contact with the inner wall of the top end of the air duct (1); the bottom end of the reciprocating slider (32) is fixedly connected to the top end of the backflush assembly (2); and one end of the reciprocating screw (31) is transmission-connected to a drive motor (33).

3. A liquid tank high efficiency filter according to claim 2, characterized in that: The back-blowing assembly (2) includes a slot plate (21) fixed to the bottom of the reciprocating slider (32), the bottom end of the slot plate (21) is connected to the air outlet end of the back-blowing air pump (4), a spacer (22) is fixed on one side of the slot plate (21) close to the filter body (5), and staggered diversion blocks (23) are fixed on both sides of the spacer (22).

4. A high efficiency filter for a liquid tank according to claim 3, characterized in that: Symmetrical first inclined surfaces (7) are provided on both sides of the partition bar (22).

5. The high efficiency filter for liquid tank according to claim 3, characterized in that: The top and bottom of the diverter block (23) are both provided with a second inclined surface (8).

6. The high efficiency filter for a liquid tank according to claim 1, characterized in that: A collecting box (6) is installed at the bottom end of the air duct (1) near the back side of the filter body (5), and a blanking plate is hinged at the bottom end of the collecting box (6).

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