Exhaust device for purifying plant environment

Abstract

The utility model discloses an exhaust device for purifying plant environment, which belongs to the technical field of plant exhaust, and comprises an exhaust fan body, the front side of the exhaust fan body is fixedly connected with a connecting ring, the front side of the connecting ring is fixedly connected with a clamping assembly, the inner wall of the clamping assembly is clamped with a clamping block, and the clamping block is fixedly connected with the exhaust fan body. The other end of the clamping block is fixedly connected with a filter screen; the clamping assembly comprises a first arc-shaped block, the rear side of the first arc-shaped block is fixedly connected with the front side of the connecting ring, and L-shaped blocks are fixedly connected to the two sides of the first arc-shaped block. Most of the filter screens are connected with a discharging device through welding or a plurality of groups of bolts, and under the influence of welding or bolting, when the filter screens are blocked and damaged, the disassembly work of the filter screens is tedious and difficult.

Description

Technical Field

[0001] The utility model relates to the technical field of factory exhaust, in particular to an exhaust device for purifying factory environment. Background Art

[0002] A factory building usually refers to a building or a group of buildings used for production, manufacturing or processing. These buildings usually include work areas, equipment and facilities for various production activities. Common factory buildings include hydroelectric power plant buildings, production plants and processing plants. When exhaust is required, exhaust devices will be used to exhaust the factory building.

[0003] At present, a Chinese utility model with publication number: CN219913330U discloses an exhaust device for a purification plant, which relates to the technical field of plant exhaust technology. In order to solve the problem that the plant exhaust fan is easily stuck by long rods and block objects in the plant, the exhaust device includes a placement shell, a raised frame fixed on the placement shell, and an exhaust fan arranged inside the raised frame, the inner wall of the raised frame is fixedly connected with evenly distributed exhaust baffle rods, the inner wall of the placement shell is fixedly connected with evenly distributed air inlet baffle rods, the inner wall of the bottom end of the placement shell is fixedly connected with a dual-axis motor, and one output shaft of the dual-axis motor is connected to a conveying disc through a coupling. In the design of this utility model, the blocking mobile net is transmitted between the rotating disc and the limiting roller, so that when the parts inside the plant pass through the air inlet baffle rod and enter the placement shell, they stay inside the placement shell under the interception of the moving blocking mobile net, so as to prevent the parts from entering the exhaust fan inside the raised frame and causing damage to the exhaust fan.

[0004] When exhausting the plant building of a hydroelectric power plant, an exhaust device is used, and the exhaust device for purifying the plant environment is one of them. However, in order to prevent the entry of foreign matter, the existing exhaust devices usually add a filter at the exhaust port for protection, and most of the connections between the filter and the discharge device are usually connected by welding or multiple sets of bolts. Under the influence of welding or bolting, when the filter is blocked or damaged, the removal of the filter is cumbersome and difficult. Therefore, an exhaust device for purifying the plant environment is proposed. Utility Model Content

[0005] The utility model provides an exhaust device for purifying a factory environment, aiming to solve the problem that in order to prevent foreign matter from entering, existing exhaust devices usually add a filter at the exhaust port for protection, and most of the connections between the filter and the discharge device are usually connected by welding or multiple sets of bolts. Under the influence of welding or bolting, when the filter is blocked or damaged, the removal of the filter is cumbersome and difficult.

[0006] The utility model is implemented as follows: an exhaust device for purifying a factory environment comprises an exhaust fan body, a connecting ring is fixedly connected to the front side of the exhaust fan body, a clamping assembly is fixedly connected to the front side of the connecting ring, a clamping block is clamped to the inner wall of the clamping assembly, and a filter is fixedly connected to the other end of the clamping block;

[0007] The clamping assembly includes a first arc block, the rear side of the first arc block is fixedly connected to the front side of the connecting ring, the two sides of the first arc block are fixedly connected to L-shaped blocks, the top of the inner wall of the L-shaped block is fixedly connected to a positioning rod, the other end of the positioning rod is fixedly connected to the top of the two ends of the first arc block, a spring is sleeved on the surface of the positioning rod, one end of the spring is fixedly connected to the top of the inner wall of the L-shaped block, and the other end of the spring is fixedly connected to the second arc block.

[0008] In order to facilitate the installation of the exhaust fan body at the desired position, as a preferred exhaust device for purifying a factory environment of the utility model, a connecting plate is fixedly connected to the surface of the exhaust fan body, and a connecting hole is opened on the front side of the connecting plate.

[0009] In order to facilitate the connection of the exhaust fan body with the required exhaust pipeline, as a preferred exhaust device for purifying the factory environment of the utility model, the rear side of the exhaust fan body is connected to a connecting pipe used therewith, and the connecting pipe is made of stainless steel.

[0010] In order to assist in guiding the clamping position of the clamping block, as a preferred exhaust device for purifying the factory environment of the utility model, the inner walls of the first arc block and the second arc block are both provided with clamping grooves, and the inner walls of the clamping grooves are clamped with the surface of the clamping block.

[0011] In order to limit the sliding position of the second arc block, as a preferred exhaust device for purifying the factory environment of the utility model, positioning holes are opened at the tops of both ends of the second arc block, and the inner walls of the positioning holes are slidably connected to the surface of the positioning rod.

[0012] In order to make the contact between the filter and the connection between the first arc block and the second arc block more secure, as a preferred exhaust device for purifying the factory environment of the utility model, the inner walls of the first arc block and the second arc block are fixedly connected with a reinforcement pad, and the reinforcement pad is in contact with the surface of the filter on the side away from the first arc block and the second arc block.

[0013] In order to facilitate the pulling of the second arc block, as a preferred exhaust device for purifying the factory environment of the utility model, the top of the second arc block is fixedly connected with a matching block, and there are two matching blocks in total, and matching rods are fixedly connected on the opposite sides of the two matching blocks.

[0014] In order to increase the friction force on the surface of the matching rod, as a preferred exhaust device for purifying a factory environment of the utility model, the surface of the matching rod is fixedly connected to a rubber sleeve used in conjunction with it, and the surface of the rubber sleeve is provided with protrusions.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The exhaust device for purifying a factory environment is provided with an exhaust fan body, a connecting ring, a clamping assembly, a clamping block and a filter screen. The exhaust fan body can be provided so that the connecting ring can be fixed, and after the exhaust fan body is started, the factory building of the hydroelectric power plant can be exhausted. The connecting ring can be provided so that the clamping assembly can be fixed, thereby improving the use stability of the clamping assembly. The clamping assembly can be provided so that the filter screen can be clamped and fixed by clamping with the clamping block, thereby eliminating the need for welding or bolting the filter screen, and preventing the filter screen from being affected by welding or bolting, resulting in cumbersome and difficult subsequent disassembly work. The clamping block can be provided so that the filter screen can be fixed, and under the guidance of the clamping block, the filter screen can be easily installed at a designated position. The filter screen can be provided so that the exhaust fan body can be protected to prevent foreign matter from entering the exhaust fan body and causing damage to the exhaust fan body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the exhaust device for purifying the factory environment of the utility model;

[0018] Figure 2 For this utility model Figure 1 Left view of

[0019] Figure 3 This is a schematic diagram of the connection between the exhaust fan body and the connecting ring in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the clamping assembly in the utility model;

[0021] Figure 5 For this utility model Figure 4 Enlarged view of point A in .

[0022] In the figure, 1. exhaust fan body; 2. connecting ring; 3. clamping assembly; 301. first arc block; 302. L-shaped block; 303. positioning rod; 304. spring; 305. second arc block; 4. snap-on block; 5. filter screen; 6. connecting plate; 7. connecting hole; 8. connecting pipe; 9. snap-on groove; 10. positioning hole; 11. reinforcement pad; 12. matching block; 13. matching rod; 14. rubber sleeve. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: an exhaust device for purifying a factory environment, comprising an exhaust fan body 1, a connecting ring 2 is fixedly connected to the front side of the exhaust fan body 1, a clamping assembly 3 is fixedly connected to the front side of the connecting ring 2, a clamping block 4 is clamped to the inner wall of the clamping assembly 3, and a filter screen 5 is fixedly connected to the other end of the clamping block 4;

[0026] The clamping assembly 3 includes a first arc block 301, the rear side of the first arc block 301 is fixedly connected to the front side of the connecting ring 2, the two sides of the first arc block 301 are fixedly connected with L-shaped blocks 302, the top of the inner wall of the L-shaped block 302 is fixedly connected with a positioning rod 303, the other end of the positioning rod 303 is fixedly connected to the top of the two ends of the first arc block 301, a spring 304 is sleeved on the surface of the positioning rod 303, one end of the spring 304 is fixedly connected to the top of the inner wall of the L-shaped block 302, and the other end of the spring 304 is fixedly connected to the second arc block 305.

[0027] In this embodiment: by setting the exhaust fan body 1, the connecting ring 2, the clamping assembly 3, the clamping block 4 and the filter 5, the exhaust fan body 1 can be set so that the connecting ring 2 can be fixed, and after the exhaust fan body 1 is started, the plant of the hydropower plant can be exhausted. The connecting ring 2 can be set so that the clamping assembly 3 can be fixed, thereby improving the use stability of the clamping assembly 3. The clamping assembly 3 can be set so that it can be clamped and fixed by the clamping block 4 through the clamping block 4, so that the filter 5 does not need to be welded or bolted, so that the filter 5 will not be affected by welding or bolting, resulting in subsequent cumbersome and difficult disassembly work. The clamping block 4 can be set so that the filter 5 can be fixed, and under the guidance of the clamping block 4, the filter 5 can be easily installed in the specified position. The filter 5 can be set so that the exhaust fan body 1 can be protected to prevent foreign matter from entering the exhaust fan body 1 and causing damage to the exhaust fan body 1.

[0028] As a technical optimization solution of the utility model, a connecting plate 6 is fixedly connected to the surface of the exhaust fan body 1 , and a connecting hole 7 is opened on the front side of the connecting plate 6 .

[0029] In this embodiment: by setting the connecting plate 6 and the connecting hole 7, the connecting plate 6 can be matched with the connecting hole 7 through the setting of the connecting plate 6 and the connecting hole 7, so that the exhaust fan body 1 can be installed in the desired position through the connecting plate 6 and the connecting hole 7.

[0030] As a technical optimization solution of the utility model, the rear side of the exhaust fan body 1 is connected with a connecting pipe 8 used in conjunction with it, and the connecting pipe 8 is made of stainless steel.

[0031] In this embodiment: by setting the connecting pipe 8, the exhaust fan body 1 can be conveniently connected to the required exhaust pipeline through the connecting pipe 8, and the connecting pipe 8 is made of stainless steel material. Since stainless steel has strong corrosion resistance, the service life of the connecting pipe 8 can be increased.

[0032] As a technical optimization solution of the utility model, the inner walls of the first arc block 301 and the second arc block 305 are both provided with a clamping groove 9 , and the inner wall of the clamping groove 9 is clamped with the surface of the clamping block 4 .

[0033] In this embodiment, the clamping groove 9 is provided to assist in guiding the clamping position of the clamping block 4 .

[0034] As a technical optimization solution of the present invention, positioning holes 10 are opened at the tops of both ends of the second arc-shaped block 305 , and the inner walls of the positioning holes 10 are slidably connected to the surface of the positioning rod 303 .

[0035] In this embodiment, by setting the positioning hole 10, the positioning hole 10 can limit the sliding position of the second arc block 305 by slidingly cooperating with the positioning rod 303, thereby avoiding the sliding position of the second arc block 305 from being offset.

[0036] As a technical optimization solution of the utility model, the inner walls of the first arc block 301 and the second arc block 305 are fixedly connected with a reinforcement pad 11, and the side of the reinforcement pad 11 away from the first arc block 301 and the second arc block 305 contacts the surface of the filter 5.

[0037] In this embodiment: by setting the reinforcement pad 11, the contact between the filter 5 and the connection between the first arc block 301 and the second arc block 305 can be made tighter, thereby avoiding the filter 5 from shaking during exhaust.

[0038] As a technical optimization solution of the utility model, a matching block 12 is fixedly connected to the top of the second arc block 305 , two matching blocks 12 are provided, and matching rods 13 are fixedly connected to opposite sides of the two matching blocks 12 .

[0039] In this embodiment: by setting the matching block 12 and the matching rod 13, the matching block 12 and the matching rod 13 can be set so that when the matching rod 13 is pulled, the matching block 12 can be driven to move, and the second arc block 305 can be pulled by the driving of the matching block 12.

[0040] As a technical optimization solution of the utility model, a rubber sleeve 14 used in conjunction with the matching rod 13 is fixedly connected to the surface thereof, and convex points are arranged on the surface of the rubber sleeve 14 .

[0041] In this embodiment, the rubber sleeve 14 is provided to increase the friction force on the surface of the matching rod 13, so that when the matching rod 13 is pulled, the contact with the hand will not slip.

[0042] Working principle: First, the device is installed at the desired position, and then the exhaust fan body 1 is started, so that the exhaust fan body 1 can perform exhaust work. When the filter screen 5 is blocked or damaged, the second arc block 305 can be pulled upward, so that the second arc block 305 can slide under the limit of the positioning rod 303, and when sliding, the spring 304 is squeezed, and under the fixation of the L-shaped block 302, the use stability of the positioning rod 303 can be increased, and then the filter screen 5 is lifted upward, and when the clamping block 4 is separated from the first arc block 301, the filter is pulled forward. The filter screen 5 is then cleaned or replaced, and the cleaned or replaced filter screen 5 is inserted into the clamping groove 9 on the first arc block 301 through the clamping block 4, and then the pulled second arc block 305 is released, so that the second arc block 305 can be reset under the rebound force of the spring 304, and then the second arc block 305 is reset, so that the clamping groove 9 on the second arc block 305 can be engaged with the clamping block 4, thereby completing the fixation of the filter screen 5.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An exhaust device for purifying a factory environment, comprising an exhaust fan body (1), characterized in that: The front side of the exhaust fan body (1) is fixedly connected to a connecting ring (2), the front side of the connecting ring (2) is fixedly connected to a clamping assembly (3), the inner wall of the clamping assembly (3) is clamped to a clamping block (4), and the other end of the clamping block (4) is fixedly connected to a filter screen (5); The clamping assembly (3) comprises a first arc block (301), the rear side of the first arc block (301) is fixedly connected to the front side of the connecting ring (2), the two sides of the first arc block (301) are fixedly connected to L-shaped blocks (302), the top of the inner wall of the L-shaped block (302) is fixedly connected to a positioning rod (303), the other end of the positioning rod (303) is fixedly connected to the top of the two ends of the first arc block (301), the surface of the positioning rod (303) is sleeved with a spring (304), one end of the spring (304) is fixedly connected to the top of the inner wall of the L-shaped block (302), and the other end of the spring (304) is fixedly connected to a second arc block (305).

2. The exhaust device for purifying a factory environment according to claim 1, characterized in that: A connecting plate (6) is fixedly connected to the surface of the exhaust fan body (1), and a connecting hole (7) is provided on the front side of the connecting plate (6).

3. The exhaust device for purifying a factory environment according to claim 1, characterized in that: The rear side of the exhaust fan body (1) is connected to a connecting pipe (8) for use therewith, and the connecting pipe (8) is made of stainless steel.

4. The exhaust device for purifying a factory environment according to claim 1, characterized in that: The inner walls of the first arc-shaped block (301) and the second arc-shaped block (305) are both provided with a clamping groove (9), and the inner walls of the clamping groove (9) are clamped with the surface of the clamping block (4).

5. The exhaust device for purifying a factory environment according to claim 1, characterized in that: Positioning holes (10) are provided at the tops of both ends of the second arc-shaped block (305), and the inner walls of the positioning holes (10) are slidably connected to the surface of the positioning rod (303).

6. The exhaust device for purifying a factory environment according to claim 1, characterized in that: The inner walls of the first arc-shaped block (301) and the second arc-shaped block (305) are both fixedly connected with a reinforcement pad (11), and a side of the reinforcement pad (11) away from the first arc-shaped block (301) and the second arc-shaped block (305) is in contact with the surface of the filter screen (5).

7. The exhaust device for purifying a factory environment according to claim 1, characterized in that: The top of the second arc-shaped block (305) is fixedly connected to a matching block (12), two matching blocks (12) are provided in total, and matching rods (13) are fixedly connected to opposite sides of the two matching blocks (12).

8. The exhaust device for purifying a factory environment according to claim 7, characterized in that: A rubber sleeve (14) used in conjunction with the matching rod (13) is fixedly connected to the surface of the matching rod (13), and convex points are arranged on the surface of the rubber sleeve (14).

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