Industrial waste gas preliminary filtering device

Abstract

The utility model discloses a preliminary filtering device for industrial waste gas, which relates to the technical field of industrial waste gas and comprises a filtering box, a liquid outlet pipe is arranged on the lower end wall of the filtering box, and a liquid inlet pipe is arranged on the outer circumferential wall of the filtering box; the two ventilation pipes are respectively arranged at the corresponding positions of the upper ends of the two opposite side walls of the filter box; the rotating column is rotatably arranged in the filter box and is located at the center position; the plurality of filter screens are fixedly arranged on the rotating column in a sleeving manner; the ultrasonic transducers are arranged at the lower end of the outer circumferential wall of the filter box; the two outer brush plates are movably arranged on the two opposite side walls of the filter box respectively, and a plurality of first bristles are arranged on the outer brush plates; the plurality of inner brush assemblies are respectively arranged between two adjacent filter screens in the filter box; the cleaning device has the advantages of being convenient to use, good in cleaning effect, labor-saving and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial waste gas, in particular to a preliminary filtering device for industrial waste gas. Background Art

[0002] Industrial production generates a large amount of waste gas, which needs to be treated before it can be discharged into the atmosphere;

[0003] For example, patent application number CN202321117019.5 discloses a fume filter device for industrial waste gas treatment. The patent is provided with a sealing sleeve so that the waste gas can directly enter the inside of the treatment box through the air inlet pipe, and the process will not cause waste gas leakage. By providing a sealing plug and a sealing ring, the first filter screen, the second filter screen and the third filter screen can be tightly fitted at the slot opening after being inserted into the inner wall of the treatment box, so that the waste gas will not leak after entering the inside of the treatment box, so that the waste gas can be fully filtered and treated, and the waste gas filtering effect and filtering efficiency are improved;

[0004] This patent in the prior art filters the oil smoke in the industrial waste gas through a filter during the filtering process of the industrial waste gas. However, the existing filtering method requires workers to replace the filter at regular intervals, and the oil smoke accumulated on the filter cannot be cleaned in time, which will affect the filtering effect of the filter over time. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a preliminary filtering device for industrial waste gas, so as to solve the problem that the filtering method for industrial waste gas in the prior art described in the background technology has poor effect.

[0006] In order to solve the above problems, the utility model provides the following technical solutions: a preliminary filtering device for industrial waste gas, comprising

[0007] The filter box is cylindrical, with a liquid outlet pipe on the lower end wall and a liquid inlet pipe on the outer circumferential wall;

[0008] Two ventilation pipes are respectively arranged at corresponding positions on the upper ends of two opposite side walls of the filter box;

[0009] A rotating column is rotatably disposed in the filter box and located at a central position;

[0010] A plurality of filter screens are respectively fixedly mounted on the rotating columns;

[0011] A plurality of ultrasonic transducers are arranged at the lower end of the outer circumferential wall of the filter box;

[0012] Two outer brush plates are movably arranged on two opposite side walls of the filter box, and the outer brush plates have a plurality of first bristles;

[0013] A plurality of internal brush assemblies are respectively arranged between two adjacent filter screens in the filter box;

[0014] The inner brush assembly comprises

[0015] A positioning plate is fixedly connected in the filter box and is located between two adjacent filter screens;

[0016] An electromagnet penetrates the positioning plate and is fixedly connected to the positioning plate;

[0017] The two inner brush plates are made of iron and are elastically connected to two opposite sides of the positioning plate. The inner brush plates are provided with second bristles.

[0018] Preferably, the inner brush assembly further comprises connecting plates arranged on both sides of the inner brush plate, and the connecting plates are fixedly connected to the positioning plates via springs.

[0019] Preferably: the inner brush assembly also includes

[0020] A plurality of guide rods are respectively fixedly connected to the two ends of the positioning plate;

[0021] A plurality of sliding sleeves are respectively fixedly connected to positions on the connecting plates corresponding to the guide rods, and the sliding sleeves are slidably sleeved on the guide rods.

[0022] Preferably: a movable cylinder is provided at a position on the side wall of the filter box corresponding to the outer brush plate, and an output end of the movable cylinder is fixedly connected to the outer brush plate.

[0023] Preferably, a servo motor is fixedly connected to the position of the rotating column on the outer wall of the filter box, and the output end of the servo motor is fixedly connected to the rotating shaft of the rotating column.

[0024] The beneficial effects of adopting the above technical solution are:

[0025] The rotating column set in the present application can drive the filter to rotate, so that a part of the filter is always in the liquid level of the filter box. The part of the filter under the liquid level is cleaned by activating the ultrasonic transducer, and the filter can be cleaned in real time. The first bristles and the second bristles in the present application can further improve the cleaning effect of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a front view of a preliminary filtering device for industrial waste gas of the utility model.

[0027] Figure 2 It is a cross-sectional view of a preliminary filtering device for industrial waste gas of the utility model.

[0028] Figure 3 This utility model Figure 2 Cross-sectional view with the filter removed.

[0029] Figure 4 This utility model Figure 1 A side sectional view of .

[0030] Figure 5 This utility model Figure 4 A partial enlarged view of the .

[0031] Figure 6 It is a schematic diagram of a preliminary filtering device for industrial waste gas of the utility model.

[0032] Among them: filter box 10, liquid inlet pipe 11, liquid outlet pipe 12, ventilation pipe 20, rotating column 30, servo motor 31, ultrasonic transducer 40, outer brush plate 50, first bristles 51, moving cylinder 52, filter screen 60, inner brush plate 70, second bristles 71, connecting plate 72, sliding sleeve 73, spring 74, positioning plate 80, guide rod 81, electromagnet 90. DETAILED DESCRIPTION

[0033] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0034] like Figure 1-6 In the first embodiment, a preliminary filtering device for industrial waste gas includes:

[0035] The filter box 10 is cylindrical, with a liquid outlet pipe 12 on the lower end wall and a liquid inlet pipe 11 on the outer circumferential wall;

[0036] Two ventilation pipes 20 are respectively disposed at corresponding positions on the upper ends of two opposite side walls of the filter box 10;

[0037] The rotating column 30 is rotatably disposed in the filter box 10 and is located at the center;

[0038] A plurality of filter screens 60 are respectively fixedly mounted on the rotating column 30;

[0039] A plurality of ultrasonic transducers 40 are disposed at the lower end of the outer circumferential wall of the filter box 10;

[0040] Two outer brush plates 50 are movably disposed on two opposite side walls of the filter box 10, and the outer brush plates 50 have a plurality of first bristles 51;

[0041] A plurality of internal brush assemblies are respectively arranged between two adjacent filter screens in the filter box 10;

[0042] The inner brush assembly comprises

[0043] The positioning plate 80 is fixedly connected to the filter box 10 and is located between two adjacent filter screens 60;

[0044] The electromagnet 90 penetrates the positioning plate 80 and is fixedly connected to the positioning plate 80;

[0045] The two inner brush plates 70 are made of iron and are elastically connected to two opposite sides of the positioning plate 80 . The inner brush plates 70 are provided with second bristles 71 .

[0046] This embodiment is implemented as follows:

[0047] When the present application is in use, the industrial waste smoke is circulated through two ventilation pipes. When the industrial waste smoke enters the filter box 10, the industrial waste smoke will be filtered through the filter screen 60. The filter screen 60 will rotate 180 degrees every once in a while, so that the filtered part of the filter screen 60 enters the liquid level. At this time, the ultrasonic transducer 40 will be started to realize ultrasonic cleaning of the filter screen 60.

[0048] At the same time, in order to achieve a better cleaning effect in the present application, the rotating column 30 can rotate back and forth to rotate the filter 60. At this time, the outer brush plate 50 drives the first bristles 51 to contact the filter 60, and the electromagnet 90 is powered off. The second bristles 71 of the iron inner brush plate 70 will move under the action of elasticity and contact the filter 60, thereby brushing the filter 60 and improving the cleaning efficiency.

[0049] The electromagnet 90 in the present application is placed in a waterproof cover and connected to an external power source through a waterproof wire.

[0050] The advantage of the present application over the prior art is that the cleaning effect is good and there is no need for manual replacement of the filter screen 60 .

[0051] See also Figure 4 , 5 The inner brush assembly further includes connecting plates 72 disposed on both sides of the inner brush plate 70, and the connecting plates 72 are fixedly connected to the positioning plates 80 via springs 74;

[0052] The connecting plate 72 on the inner brush plate 70 and the positioning plate 80 are connected by the spring 74 , so that the positioning plate 80 and the inner brush plate 70 can be elastically connected.

[0053] See also Figure 4 , 5 The inner brush assembly further includes a plurality of guide rods 81, which are respectively fixedly connected to the two ends of the positioning plate 80; a plurality of sliding sleeves 73, which are respectively fixedly connected to the positions of the connecting plate 72 corresponding to the guide rods 81, and the sliding sleeves 73 are slidably mounted on the guide rods 81;

[0054] The sliding sleeve 73 arranged on the connecting plate 72 can be slidably mounted on the guide rod 81 on the positioning plate 80, so that the inner brush plate 70 is more stable during the movement.

[0055] See also Figure 1 ,4 6. A movable cylinder 52 is provided at a position corresponding to the outer brush plate 50 on the side wall of the filter box 10, and an output end of the movable cylinder 52 is fixedly connected to the outer brush plate 50;

[0056] The outer brush plate 50 can be driven to move by moving the cylinder 52 .

[0057] See also Figure 1 , 4 6. A servo motor 31 is fixedly connected to the position of the rotating column 30 on the outer wall of the filter box 10, and the output end of the servo motor 31 is fixedly connected to the rotating shaft of the rotating column 30;

[0058] The servo motor 31 can drive the rotating column 30 to rotate on the filter box 10 .

[0059] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A preliminary filtration device for industrial waste gas, characterized in that: include The filter box is cylindrical, with a liquid outlet pipe on the lower end wall and a liquid inlet pipe on the outer circumferential wall; Two ventilation pipes are respectively arranged at corresponding positions on the upper ends of two opposite side walls of the filter box; A rotating column is rotatably disposed in the filter box and located at a central position; A plurality of filter screens are respectively fixedly mounted on the rotating columns; A plurality of ultrasonic transducers are arranged at the lower end of the outer circumferential wall of the filter box; Two outer brush plates are movably arranged on two opposite side walls of the filter box, and the outer brush plates have a plurality of first bristles; A plurality of internal brush assemblies are respectively arranged between two adjacent filter screens in the filter box; The inner brush assembly comprises A positioning plate is fixedly connected in the filter box and is located between two adjacent filter screens; An electromagnet penetrates the positioning plate and is fixedly connected to the positioning plate; The two inner brush plates are made of iron and are elastically connected to two opposite sides of the positioning plate. The inner brush plates are provided with second bristles.

2. The industrial waste gas preliminary filtration device according to claim 1, characterized in that: The inner brush assembly also includes connecting plates arranged on both sides of the inner brush plate, and the connecting plates are fixedly connected to the positioning plates through springs.

3. The industrial waste gas preliminary filtration device according to claim 2, characterized in that: The inner brush assembly also includes A plurality of guide rods are respectively fixedly connected to the two ends of the positioning plate; A plurality of sliding sleeves are respectively fixedly connected to positions on the connecting plates corresponding to the guide rods, and the sliding sleeves are slidably sleeved on the guide rods.

4. The industrial waste gas preliminary filtration device according to claim 1, characterized in that: A movable cylinder is provided on the side wall of the filter box at a position corresponding to the outer brush plate, and an output end of the movable cylinder is fixedly connected to the outer brush plate.

5. The industrial waste gas preliminary filtration device according to claim 1, characterized in that: A servo motor is fixedly connected to the position of the rotating column on the outer wall of the filter box, and the output end of the servo motor is fixedly connected to the rotating shaft of the rotating column.

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