Ventilation filtering device

Abstract

The utility model provides a ventilating and filtering device, which belongs to the technical field of ventilating and filtering and comprises a filtering box, a ventilating pipeline arranged at the rear end of the filtering box, a first flange arranged at the rear end of the ventilating pipeline, a filtering cylinder arranged behind the first flange, a plurality of filtering adsorption balls arranged in the filtering cylinder, a communicating groove arranged at the front end of the filtering box and an air inlet pipeline arranged in front of the communicating groove. A plurality of filter plates are vertically arranged in the filter box, upper mounting racks are arranged on the upper surfaces of the filter plates, lower mounting racks are arranged on the lower surfaces of the filter plates, a plurality of sealing notches are formed in the side face of the filter box in a penetrating mode, the sealing notches correspond to the side faces of the filter plates, sealing blocks are arranged in the sealing notches, and handles are arranged on the outward sides of the sealing blocks; the filter plate is in sliding fit with the upper mounting frame and the lower mounting frame, the filter cartridge can be separated by detaching the first flange and the third flange to replace a new filter cartridge, bolts at the two ends of the angle iron are detached, and the connecting plate is pulled out by using a handle to pull out the filter plate for replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation and filtration, in particular to a ventilation and filtration device. Background Art

[0002] The laboratory is the cradle of science, the base of scientific research, the source of scientific and technological development, and plays a very important role in scientific and technological development.

[0003] For people working in the laboratory, laboratory ventilation is crucial. The quality of laboratory ventilation not only affects whether the personnel are comfortable in the laboratory, but also directly affects the conduct of various experiments. At present, the dust filter plates in the laboratory ventilation devices are mostly fixed in structure, or the ventilation devices have only one filter component, the filtering effect is weak, and it is not convenient to remove the dust filter plates for replacement, resulting in high maintenance costs and troublesome maintenance operations. In order to solve the above problems, a ventilation filter device is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the utility model provides a ventilation filter device, which can replace a new filter cartridge by removing the first flange and the third flange to separate the filter cartridge, remove the bolts at both ends of the angle iron, use the handle to pull out the connecting plate and then pull out the filter plate for replacement.

[0005] In order to solve the above technical problems, the utility model provides a ventilation and filtering device, including a filter box, a ventilation duct is provided at the rear end of the filter box, a first flange is provided at the rear end of the ventilation duct, a filter cartridge is provided behind the first flange, a plurality of filter adsorption balls are provided in the filter cartridge, a connecting groove is provided at the front end of the filter box, an air inlet duct is provided in front of the connecting groove, a plurality of filter plates are vertically provided in the filter box, an upper mounting frame is provided on the upper surface of the filter plate, a lower mounting frame is provided on the lower surface of the filter plate, a plurality of sealing notches are provided through the side of the filter box, the sealing notches correspond to the side of the filter plate, a sealing block is provided in the sealing notch, a handle is provided on the outward side of the sealing block, the filter plate is slidably matched with the upper mounting frame, and the filter plate is slidably matched with the lower mounting frame.

[0006] Angle irons for connecting the sealing block with the filter box are arranged at the upper and lower ends of the side surface of the sealing block, and threaded holes for bolt fastening are arranged at both ends of the angle iron.

[0007] The threaded hole at one end of the angle iron penetrates the angle iron and is embedded in the upper surface of the filter box, and the threaded hole at the other end of the angle iron penetrates the angle iron and is embedded in the sealing block.

[0008] A connecting plate for connecting the handle and the sealing block is arranged on the side surface of the handle, and the side surface of the connecting plate is fixed to the side surface of the sealing block.

[0009] The connecting groove is connected to the filter box by welding. A connecting port for installing a flow sensor is provided through the upper part of the connecting groove. A flow sensor for detecting gas flow is provided in the connecting port. The detection end of the flow sensor faces the filter box. A flow detector for transmitting flow sensor data is provided outside the connecting port. The flow detector is fixed to the outer wall of the connecting groove.

[0010] An electric valve for opening and closing the air inlet duct is provided in the middle section of the air inlet duct, and a second flange for connecting the air inlet duct with the front-end equipment is provided at the front end of the air inlet duct.

[0011] A sealing connector for connecting the ventilation duct with the filter box is arranged at one end of the ventilation duct, the sealing connector is communicated with the filter box, and connection blocks for fixing the filter box are arranged on both sides of the middle of the lower surface of the filter box.

[0012] A filter net is fixedly arranged on the inner wall at the front end of the filter cartridge to prevent the filter adsorption balls from falling off, a filter net is fixedly arranged on the inner wall at the rear end of the filter cartridge to prevent the filter adsorption balls from falling off, a number of filter adsorption balls for absorbing dust and impurities are filled between the filter nets, and a third flange is arranged at the rear end of the filter cartridge to connect the ventilation duct with the rear end equipment.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. Replace the filter cartridge by removing the first flange and the third flange to separate the filter cartridge. Remove the bolts at both ends of the angle iron, use the handle to pull out the connecting plate, and then pull out the sealing block connected to the connecting plate, and then pull out the filter plate connected to the sealing block. After removing the sealing block and replacing or cleaning the filter plate, repeat the above steps to install it.

[0015] 2. A filter screen is fixedly arranged on the inner wall at the front end of the filter cartridge to prevent the filter adsorption balls from falling off, and a filter screen is fixedly arranged on the inner wall at the rear end of the filter cartridge to prevent the filter adsorption balls from falling off. A number of filter adsorption balls for absorbing dust and impurities are filled between the filter screens, and a third flange is arranged at the rear end of the filter cartridge to connect the ventilation duct with the rear end equipment, thereby improving the effect of filtering the gas and thus improving the ventilation quality.

[0016] 3. The connecting groove is connected with the filter box by welding. A connecting port for installing a flow sensor is provided through the upper part of the connecting groove. A flow sensor for detecting the gas flow is provided in the connecting port. The detection end of the flow sensor faces the filter box. A flow detector for transmitting flow sensor data is provided outside the connecting port. The flow detector is fixed to the outer wall of the connecting groove, so that the flow of the filtered gas can be counted for cost statistics. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of a ventilation and filtering device of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 It is a side sectional view of the utility model;

[0020] Figure 4 It is a main body sectional view of the utility model.

[0021] Explanation of the reference numerals: 100, filter box; 101, filter cartridge; 102, ventilation duct; 103, connecting groove; 104, air inlet duct; 105, filter plate; 106, upper mounting frame; 107, lower mounting frame; 200, first flange; 201, sealing notch; 202, sealing block; 203, handle; 204, angle iron; 205, threaded hole; 300, connecting plate; 301, connecting port; 302, flow sensor; 303, flow detector; 304, sealing connector; 305, second flange; 306, third flange; 307, connecting block; 308, electric valve; 309, filter screen; 310, filter adsorption ball. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0023] like Figure 1-4 As shown: This embodiment provides a ventilation and filtering device, including a filter box 100, a ventilation duct 102 is provided at the rear end of the filter box 100, a first flange 200 is provided at the rear end of the ventilation duct 102, a filter cartridge 101 is provided at the rear of the first flange 200, a plurality of filter adsorption balls 310 are provided in the filter cartridge 101, a connecting groove 103 is provided at the front end of the filter box 100, an air inlet duct 104 is provided in front of the connecting groove 103, a plurality of filter plates 105 are vertically arranged in the filter box 100, an upper mounting frame 106 is provided on the upper surface of the filter plate 105, a lower mounting frame 107 is provided on the lower surface of the filter plate 105, a plurality of sealing notches 201 are provided through the side of the filter box 100, the sealing notches 201 correspond to the side of the filter plate 105, a sealing block 202 is provided in the sealing notch 201, a handle 203 is provided on the outward side of the sealing block 202, the filter plate 105 is slidably matched with the upper mounting frame 106, and the filter plate 105 is slidably matched with the lower mounting frame 107.

[0024] When in use, the filter cartridge 101 is separated by disassembling the first flange 200 and the third flange 306 to replace the new filter cartridge 101, and the bolts at both ends of the angle iron 204 are removed, and the handle 203 is used to pull out the connecting plate 300, and then the sealing block 202 connected to the connecting plate 300 is pulled out, and then the filter plate 105 connected to the sealing block 202 is pulled out. After removing the sealing block 202 and replacing or cleaning the filter plate 105, repeat the above steps to install it.

[0025] This embodiment provides a ventilation and filtering device,

[0026] like Figure 1 , 2 As shown in 3: Angle irons 204 for connecting the sealing block 202 with the filter box 100 are provided at the upper and lower ends of the side of the sealing block 202, and threaded holes 205 for bolt fastening are provided at both ends of the angle iron 204. The threaded hole 205 at one end of the angle iron 204 penetrates the angle iron 204 and is embedded in the upper surface of the filter box 100. The angle iron 204 and the upper surface of the filter box 100 are connected and fixed by bolts through the threaded hole 205. The threaded hole 205 at the other end of the angle iron 204 penetrates the angle iron 204 and is embedded in the sealing block 202. The angle iron 204 and the sealing block 202 are connected and fixed by bolts through the threaded hole 205. The connection between the angle iron 204 and the filter box 100 can be coated with sealant, and the connection between the angle iron 204 and the sealing block 202 can be coated with sealant.

[0027] like Figure 1 , 2 As shown: a connecting plate 300 for connecting the handle 203 with the sealing block 202 is provided on the side of the handle 203, and the side of the connecting plate 300 is fixed to the side of the sealing block 202 by bolts.

[0028] like Figure 1 , 2 As shown in , 4: the connecting groove 103 is connected to the filter box 100 by welding, and a connecting port 301 for installing a flow sensor 302 is penetrated through the upper part of the connecting groove 103, and a flow sensor 302 for detecting the gas flow is arranged in the connecting port 301, and the connecting port 301 and the flow sensor 302 are embedded and fixed, and the detection end of the flow sensor 302 faces the filter box 100, and a flow detector 303 for transmitting data of the flow sensor 302 is arranged outside the connecting port 301, and the flow detector 303 is electrically connected to the flow sensor 302, and the flow detector 303 is fixed to the outer wall of the connecting groove 103 with bolts.

[0029] like Figure 1 , 2As shown in 3: an electric valve 308 for opening and closing the air inlet duct 104 is provided in the middle section of the air inlet duct 104, the air inlet duct 104 and the electric valve 308 are sealed and connected and fixed, a second flange 305 for connecting the air inlet duct 104 and the front-end equipment is provided at the front end of the air inlet duct 104, the air inlet duct 104 and the second flange 305 are sealed and connected, a sealing connector 304 for connecting the ventilation duct 102 and the filter box 100 is provided at one end of the ventilation duct 102, the sealing connector 304 is sealed and connected to the ventilation duct 102, the sealing connector 304 is sealed and connected to the filter box 100, and connection blocks 307 for fixing the filter box 100 are provided on both sides of the middle part of the lower surface of the filter box 100, and this connection block 307 can also be set on the other two surfaces except the handle 203.

[0030] like Figure 1 , 2 As shown in 4: a filter screen 309 for preventing the filter adsorption balls 310 from falling is fixedly arranged on the inner wall at the front end of the filter cartridge 101, a filter screen 309 for preventing the filter adsorption balls 310 from falling is fixedly arranged on the inner wall at the rear end of the filter cartridge 101, the filter cartridge 101 and the filter screen 309 are embedded and fixed, a number of filter adsorption balls 310 for adsorbing dust and impurities are filled between the filter screens 309, the diameter of the filter adsorption balls 310 needs to be larger than the diameter of the internal holes of the filter screen 309, a third flange 306 for connecting the ventilation duct 102 with the rear end equipment is arranged at the rear end of the filter cartridge 101, and the third flange 306 is sealed and connected to the filter cartridge 101.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A ventilation and filtering device, characterized in that: The invention comprises a filter box (100), wherein a ventilation duct (102) is provided at the rear end of the filter box (100), wherein a first flange (200) is provided at the rear end of the ventilation duct (102), wherein a filter cartridge (101) is provided behind the first flange (200), wherein a plurality of filter adsorption balls (310) are provided in the filter cartridge (101), wherein a connecting groove (103) is provided at the front end of the filter box (100), wherein an air inlet duct (104) is provided in front of the connecting groove (103), wherein a plurality of filter plates (105) are vertically provided in the filter box (100), wherein the upper surface of the filter plates (105) is provided with An upper mounting frame (106) is provided, and a lower mounting frame (107) is provided on the lower surface of the filter plate (105). A plurality of sealing notches (201) are provided through the side of the filter box (100), and the sealing notches (201) correspond to the side of the filter plate (105). A sealing block (202) is provided in the sealing notch (201), and a handle (203) is provided on the outward side of the sealing block (202). The filter plate (105) is slidably matched with the upper mounting frame (106), and the filter plate (105) is slidably matched with the lower mounting frame (107).

2. A ventilation and filtering device according to claim 1, characterized in that: Angle irons (204) are provided at the upper and lower ends of the side surface of the sealing block (202), and threaded holes (205) are provided at both ends of the angle iron (204).

3. A ventilation and filtering device according to claim 2, characterized in that: The threaded hole (205) at one end of the angle iron (204) penetrates the angle iron (204) and is embedded in the upper surface of the filter box (100), and the threaded hole (205) at the other end of the angle iron (204) penetrates the angle iron (204) and is embedded in the sealing block (202).

4. A ventilation and filtering device according to claim 3, characterized in that: A connecting plate (300) is provided on the side of the handle (203), and the side of the connecting plate (300) is fixed to the side of the sealing block (202).

5. A ventilation and filtering device according to claim 4, characterized in that: The connecting groove (103) is connected to the filter box (100) by welding, a connecting port (301) is provided through the upper part of the connecting groove (103), a flow sensor (302) is provided inside the connecting port (301), a detection end of the flow sensor (302) faces inside the filter box (100), a flow detector (303) is provided outside the connecting port (301), and the flow detector (303) is fixed to the outer wall of the connecting groove (103).

6. A ventilation and filtering device according to claim 5, characterized in that: An electric valve (308) is provided at the middle section of the air inlet duct (104), and a second flange (305) is provided at the front end of the air inlet duct (104).

7. A ventilation and filtering device according to claim 6, characterized in that: A sealing connector (304) is provided at one end of the ventilation duct (102), and the sealing connector (304) is in communication with the filter box (100). Connection blocks (307) are provided on both sides of the middle of the lower surface of the filter box (100).

8. A ventilation and filtering device according to claim 7, characterized in that: A filter screen (309) is fixedly provided on the inner wall at the front end of the filter cartridge (101), and the filter screen (309) is fixedly provided on the inner wall at the rear end of the filter cartridge (101). A plurality of filter adsorption balls (310) are filled between the filter screens (309), and a third flange (306) is provided at the rear end of the filter cartridge (101).

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