Flue gas purification device for environmental protection

Abstract

The utility model relates to the technical field of flue gas purification devices, in particular to a flue gas purification device for environmental protection, which comprises a purification device body and a filter screen, and the inner side wall of the purification device body is fixedly connected with two slots. A filter screen is inserted into an inserting groove, at the moment, a connecting plate drives a first triangular plate to move downwards, the first triangular plate extrudes inclined faces of second triangular plates, the two second triangular plates are far away from each other, the two second triangular plates drive sliding rods to move, and at the moment, first springs are extruded by the second triangular plates and right-angle plates; when a first triangular plate and a second triangular plate are staggered, a first spring rebounds to drive the second triangular plate to move, the lower surface of the second triangular plate restrains the upper surface of the first triangular plate, then the filter screen can be installed, when dirt is attached to the surface of the filter screen, cleaning and replacement can be conducted in time, disassembly and installation are convenient, operation is easy, and the practicability is high. And the normal work of the flue gas purification device is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification devices, in particular to a flue gas purification device for environmental protection. Background Technique

[0002] The flue gas purification device for environmental protection is used to treat the flue gas containing harmful substances generated in the industrial production process to reduce environmental pollution. These devices usually include a variety of technologies, such as physical filtration, chemical washing, adsorption, catalytic conversion, etc., to remove pollutants such as dust, sulfur oxides, nitrogen oxides, volatile organic compounds and heavy metals in the flue gas;

[0003] The filter screen is one of the important component structures in the flue gas purification device for environmental protection, mainly used to filter out dust and harmful substances in the flue gas. However, in some current flue gas purification devices for environmental protection on the market, the filter screen is a fixed structure, and the filter screen is often fixed inside the flue gas purification device by welding. During the use of the filter screen, a large amount of dirt will adhere to the surface, which needs to be cleaned and replaced in time. The disassembly and installation are relatively inconvenient, affecting the normal operation of the flue gas purification device; for this reason, a flue gas purification device for environmental protection is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a flue gas purification device for environmental protection to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A flue gas purification device for environmental protection, including a purification device body and a filter screen. Two slots are fixedly connected to the inner side wall of the purification device body. The inner side wall of the slot is slidably connected to the outer side wall of the filter screen. A connecting plate is fixedly connected to the upper surface of the filter screen. Two first triangular plates are symmetrically welded to the outer side wall of the connecting plate. Two right-angle plates are fixedly connected to the upper surface of the inner side wall of the purification device body. Two sliding rods are slidably connected to the inner side wall of the right-angle plate. A second triangular plate is fixedly connected to one end of the two sliding rods close to each other. The outer side wall of the second triangular plate is provided with an inclined surface adapted to the first triangular plate. The lower surface of the second triangular plate is in movable contact with the upper surface of the first triangular plate. A first spring is fixedly connected between the right-angle plate and the second triangular plate. The first spring is sleeved on the outer side wall of the sliding rod. A moving plate is fixedly connected to one end of the two sliding rods away from each other. Two through slots are opened on the upper surface of the purification device body. Two guide rods are fixedly connected to the inner side wall of the through slot. The outer side wall of the guide rod is slidably connected to the moving plate. The lower surface of the filter screen is in movable contact with a top plate. A second spring is fixedly connected between the top plate and the lower surface of the inner side wall of the purification device body.

[0006] As a further preference of this technical solution: A pipeline is connected to the rear surface of the purification device body, a negative pressure fan is provided on the rear surface of the purification device body, and the pipeline is fixedly connected to the negative pressure fan.

[0007] As a further preference of this technical solution: An end cover is fixedly connected to the front surface of the purification device body, and an air inlet is fixedly connected to the front surface of the end cover.

[0008] As a further preference of this technical solution: A mounting plate is fixedly connected to the rear surface of the purification device body, and the lower surface of the negative pressure fan is fixedly connected to the upper surface of the mounting plate.

[0009] As a further preference of this technical solution: A maintenance slot is provided on the upper surface of the purification device body.

[0010] As a further preference of this technical solution: A cover plate is hinged to the upper surface of the purification device body, and a handle is fixedly connected to the upper surface of the cover plate.

[0011] As a further preference of this technical solution: Four legs are fixedly connected to the lower surface of the purification device body.

[0012] As a further preference of this technical solution: A pull plate is fixedly connected to the upper surface of the moving plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] In the present utility model, by inserting the filter screen into the interior of the slot, at this time, the connecting plate drives the first triangular plate to move downward, the first triangular plate presses the inclined surface of the second triangular plate, so that the two second triangular plates move away from each other, the two second triangular plates drive the slide bar to move, at this time, the first spring is squeezed by the second triangular plate and the right-angle plate, when the first triangular plate and the second triangular plate are staggered, the first spring rebounds, drives the second triangular plate to move, and the lower surface of the second triangular plate forms a restraint on the upper surface of the first triangular plate, thus completing the installation of the filter screen. When dirt adheres to the surface of the filter screen, it can be cleaned and replaced in time, the disassembly and installation are relatively convenient, the operation is simple, and it does not affect the normal operation of the flue gas purification device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the structural schematic diagram of the purification device body in the present utility model;

[0017] Figure 3 is the structural schematic diagram of the filter screen in the present utility model;

[0018] Figure 4 Structural schematic diagram of the first triangular plate and the second triangular plate in the present utility model;

[0019] Figure 5 Structural schematic diagram of the negative pressure fan in the present utility model.

[0020] In the figure: 1, purification device body; 2, filter screen; 3, slot; 4, connecting plate; 5, first triangular plate; 6, right-angle plate; 7, sliding rod; 8, second triangular plate; 9, first spring; 10, moving plate; 11, through groove; 12, guide rod; 13, top plate; 14, second spring; 15, pipeline; 16, negative pressure fan; 17, end cover; 18, air inlet; 19, mounting plate; 20, maintenance slot; 21, cover plate; 22, handle; 23, leg; 24, pulling plate. Specific implementation manners

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "set" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0023] Please refer to all the drawings in the specification. The utility model provides a technical solution: a flue gas purification device for environmental protection, including a purification device body 1 and a filter screen 2, the inner side wall of the purification device body 1 is fixedly connected with two slots 3, the inner side wall of the slot 3 is slidably connected to the outer side wall of the filter screen 2, the upper surface of the filter screen 2 is fixedly connected with a connecting plate 4, the outer side wall of the connecting plate 4 is symmetrically welded with two first triangular plates 5, the upper surface of the inner side wall of the purification device body 1 is fixedly connected with two right-angle plates 6, the inner side wall of the right-angle plate 6 is slidably connected with two sliding rods 7, and the two sliding rods 7 are mutually connected. The ends close to each other are fixedly connected with a second triangular plate 8, the outer side wall of the second triangular plate 8 is provided with an inclined surface adapted to the first triangular plate 5, the lower surface of the second triangular plate 8 is in movable contact with the upper surface of the first triangular plate 5, a first spring 9 is fixedly connected between the right-angle plate 6 and the second triangular plate 8, the first spring 9 is sleeved on the outer side wall of the slide bar 7, and the ends of the two slide bars 7 away from each other are fixedly connected with a movable plate 10, the upper surface of the purification device body 1 is provided with two through grooves 11, the inner side wall of the through groove 11 is fixedly connected with two guide rods 12, and the guide rods 12 are The outer wall is slidably connected to the movable plate 10, and the lower surface of the filter screen 2 is movably contacted with the top plate 13. The second spring 14 is fixedly connected between the top plate 13 and the lower surface of the inner wall of the purification device body 1; when installing, the filter screen 2 is inserted into the inside of the slot 3, and at this time, the connecting plate 4 drives the first triangular plate 5 to move downward, and the first triangular plate 5 squeezes the inclined surface of the second triangular plate 8, so that the two second triangular plates 8 move away from each other, and the two second triangular plates 8 drive the sliding rod 7 to move. At this time, the first spring 9 is squeezed by the second triangular plate 8 and the right-angle plate 6. When the first triangular plate 5 and the second triangular plate 8 are pressed together, the sliding rod 7 moves away from each other. When the plates 8 are staggered, the first spring 9 rebounds, driving the second triangular plate 8 to move. The lower surface of the second triangular plate 8 constrains the upper surface of the first triangular plate 5, and the lower surface of the filter 2 squeezes the top plate 13, and the top plate 13 squeezes the second spring 14. At this time, the top plate 13 constrains the lower surface of the filter 2, and the installation of the filter 2 can be completed. When disassembly is required, pull the movable plate 10 to drive the slide bar 7 to move, and the slide bar 7 drives the second triangular plate 8 away from the first triangular plate 5, releasing the constraint on the first triangular plate 5, and the second spring 14 rebounds, and the top plate 13 pushes the filter 2 out.

[0024] In this embodiment, specifically: the rear surface of the purification device body 1 is connected to a pipe 15, the rear surface of the purification device body 1 is provided with a negative pressure fan 16, and the pipe 15 and the negative pressure fan 16 are fixedly connected; under the action of the negative pressure fan 16, the flue gas is drawn into the interior of the purification device body 1 and filtered through the filter 2.

[0025] In this embodiment, specifically: the front surface of the purification device body 1 is fixedly connected with an end cover 17 , and the front surface of the end cover 17 is fixedly connected with an air inlet 18 , so that the smoke can enter the interior of the purification device body 1 .

[0026] In this embodiment, specifically: a mounting plate 19 is fixedly connected to the rear surface of the purification device body 1 , and a lower surface of the negative pressure fan 16 is fixedly connected to an upper surface of the mounting plate 19 .

[0027] In this embodiment, specifically: an inspection slot 20 is provided on the upper surface of the purification device body 1 to facilitate the insertion or removal of the filter screen 2.

[0028] In this embodiment, specifically: a cover plate 21 is hinged on the upper surface of the purification device body 1 , and a handle 22 is fixedly connected to the upper surface of the cover plate 21 ; the cover plate 21 is convenient for opening and closing.

[0029] In this embodiment, specifically: four legs 23 are fixedly connected to the lower surface of the purification device body 1 .

[0030] In this embodiment, specifically: a pulling plate 24 is fixedly connected to the upper surface of the moving plate 10 , so as to facilitate pulling the moving plate 10 .

[0031] The working principle of the utility model is as follows: when installing, the filter screen 2 is inserted into the interior of the slot 3, at which time the connecting plate 4 drives the first triangular plate 5 to move downward, the first triangular plate 5 squeezes the inclined surface of the second triangular plate 8, so that the two second triangular plates 8 move away from each other, and the two second triangular plates 8 drive the slide bar 7 to move, at which time the first spring 9 is squeezed by the second triangular plate 8 and the right-angle plate 6, when the first triangular plate 5 is staggered from the second triangular plate 8, the first spring 9 rebounds, drives the second triangular plate 8 to move, the lower surface of the second triangular plate 8 constrains the upper surface of the first triangular plate 5, and the lower surface of the filter screen 2 squeezes the top plate 1 3. The top plate 13 squeezes the second spring 14. At this time, the top plate 13 forms a constraint on the lower surface of the filter 2, and the installation of the filter 2 can be completed. When it needs to be disassembled, the movable plate 10 is pulled to drive the slide bar 7 to move, and the slide bar 7 drives the second triangular plate 8 away from the first triangular plate 5, releasing the constraint on the first triangular plate 5, and the second spring 14 rebounds, and the top plate 13 pushes the filter 2 out, thereby forming a flue gas purification device for environmental protection. When dirt adheres to the surface of the filter 2, it can be cleaned and replaced in time. The disassembly and installation are relatively convenient and simple to operate, and it does not affect the normal operation of the flue gas purification device.

[0032] Although the 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 flue gas purification device for environmental protection, comprising a purification device body (1) and a filter screen (2), characterized in that: The inner side wall of the purification device body (1) is fixedly connected with two slots (3), the outer side wall of the filter screen (2) is slidably connected between the inner side walls of the slots (3), the upper surface of the filter screen (2) is fixedly connected with a connecting plate (4), two first triangular plates (5) are symmetrically welded on the outer side wall of the connecting plate (4), the upper surface of the inner side wall of the purification device body (1) is fixedly connected with two right-angle plates (6), two sliding rods (7) are slidably connected between the inner side walls of the right-angle plates (6), both ends of the two sliding rods (7) close to each other are fixedly connected with second triangular plates (8), the outer side wall of the second triangular plate (8) is provided with an inclined surface adapted to the first triangular plate (5), the lower surface of the second triangular plate (8) is in movable contact with the upper surface of the first triangular plate (5), a first spring (9) is fixedly connected between the right-angle plate (6) and the second triangular plate (8), the first spring (9) is sleeved on the outer side wall of the sliding rod (7), both ends of the two sliding rods (7) away from each other are fixedly connected with moving plates (10), two through grooves (11) are opened on the upper surface of the purification device body (1), two guide rods (12) are fixedly connected between the inner side walls of the through grooves (11), the outer side wall of the guide rod (12) is slidably connected with the moving plate (10), the lower surface of the filter screen (2) is in movable contact with a top plate (13), and a second spring (14) is fixedly connected between the top plate (13) and the lower surface of the inner side wall of the purification device body (1).

2. The flue gas purification device for environmental protection according to claim 1, characterized in that: A pipeline (15) is communicated with the rear surface of the purification device body (1), a negative pressure fan (16) is arranged on the rear surface of the purification device body (1), and the pipeline (15) is fixedly connected with the negative pressure fan (16).

3. The flue gas purification device for environmental protection according to claim 2, characterized in that: An end cover (17) is fixedly connected with the front surface of the purification device body (1), and an air inlet (18) is fixedly connected with the front surface of the end cover (17).

4. The flue gas purification device for environmental protection according to claim 2, characterized in that: A mounting plate (19) is fixedly connected with the rear surface of the purification device body (1), and the lower surface of the negative pressure fan (16) is fixedly connected with the upper surface of the mounting plate (19).

5. The flue gas purification device for environmental protection according to claim 2, characterized in that: An inspection slot (20) is opened on the upper surface of the purification device body (1).

6. The flue gas purification device for environmental protection according to claim 2, characterized in that: A cover plate (21) is hinged with the upper surface of the purification device body (1), and a handle (22) is fixedly connected with the upper surface of the cover plate (21).

7. The flue gas purification device for environmental protection according to claim 6, characterized in that: Four legs (23) are fixedly connected with the lower surface of the purification device body (1).

8. The flue gas purification device for environmental protection according to claim 6, characterized in that: A pulling plate (24) is fixedly connected with the upper surface of the moving plate (10).

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