CN110787586B

CN110787586B - Antichemical filter absorber

Info

Publication number: CN110787586B
Application number: CN201911073221.0A
Authority: CN
Inventors: 王瑞峰; 王卫军; 李强; 冯秦; 陈俊巧; 刘素兰; 姚微阳; 蔡惠莉
Original assignee: Xi'an North Huian Chemical Protection Equipment Co ltd
Current assignee: Xi'an North Huian Chemical Protection Equipment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2022-03-04
Anticipated expiration: 2039-11-05
Also published as: CN110787586A

Abstract

The invention provides a chemical defense filtering absorber, and relates to the technical field of chemical defense equipment. The air inlet diffusion port, the first frame body, the second frame body, the air outlet diffusion port, a first filter layer and a second filter layer which are arranged in the first frame body and the second frame body respectively are arranged in the air flowing direction, the first frame body and the second frame body can be detachably connected, the first frame body and the second frame body are in butt joint with each other through a dead-against end wall, a clamping ring is fixedly connected to the outer wall of the first frame body, an inserting ring is fixedly connected to the outer wall of the second frame body, the inserting ring extends to the outer wall of the first frame body, the clamping ring is in end wall contact with the end wall of the inserting ring when the end wall of the first frame body and the end wall of the second frame body are in butt joint, a first fastening piece used for fixing the first frame body and the inserting ring is arranged between the clamping ring and the inserting ring, an annular sealing groove is formed in the end wall of the inserting ring, and a sealing ring capable of being inserted into the sealing groove is fixedly connected to the end wall of the inserting ring. The invention has the advantage of facilitating the independent replacement of the first filter layer or the second filter layer.

Description

Antichemical filter absorber

Technical Field

The invention relates to the technical field of chemical defense equipment, in particular to a chemical defense filter absorber.

Background

A filtering absorber is required to be installed in civil air defense engineering construction, and the filtering absorber can filter harmful substances in air and release clean air.

Chinese patent No. CN201493025U discloses a high efficiency filter absorber used in civil air defense engineering, which comprises a barrel body, wherein the two sides of the barrel body are provided with an air inlet and an air outlet, the air inlet is fixedly provided with an explosion-proof plate, the explosion-proof plate is provided with holes, the inner side of the explosion-proof plate is provided with a fine filter, the fine filter comprises a filter element, and the filter element is fixed in the barrel body; the novel trash can is characterized in that one or more toxin filtering units are arranged in the can body and comprise an activated carbon layer and a filter screen, and the activated carbon layer is filled in the filter screen. During operation, air enters the barrel body from the air inlet, the fine filter filters impurities in the air, the activated carbon layer in the toxin filtering unit filters toxic gas in the air, and finally clean air is quickly discharged from the air outlet diffuser.

The above prior art solutions have the following drawbacks: when the filtering effect of the fine filter or the toxicity filtering unit is reduced, the fine filter or the toxicity filtering unit is difficult to replace independently.

Disclosure of Invention

The invention aims to provide a chemical defense filter absorber which has the effect of facilitating the independent replacement of a first filter layer or a second filter layer.

The above object of the present invention is achieved by the following technical solutions:

a chemical defense filter absorber comprises an air inlet diffusion port, a first frame body, a second frame body, an air outlet diffusion port, a first filter layer and a second filter layer, wherein the air inlet diffusion port, the first frame body, the second frame body, the air outlet diffusion port, the first filter layer and the second filter layer are respectively arranged in the first frame body and the second frame body, the first frame body and the second frame body are detachably connected, one end walls of the first frame body and the second frame body, which are opposite to each other, are butted, the outer wall of the first frame body is fixedly connected with a clamping ring, the outer wall of the second frame body is fixedly connected with an inserting ring, the inserting ring extends to the outer wall of the first frame body, when the first frame body is butted with the end wall of the second frame body, the clamping ring is contacted with the end wall of the inserting ring, a first fastener for fixing the clamping ring and the inserting ring is arranged between the clamping ring and the inserting ring, an annular sealing groove is arranged on one end wall of the clamping ring opposite to the inserting ring, one end of the inserting ring close to the clamping ring is fixedly connected with a sealing ring which can be inserted into the sealing groove.

By adopting the technical scheme, when the first filter layer or the second filter layer needs to be replaced, the first fastening piece is opened, the first frame body and the second frame body are disassembled, then the first filter layer or the second filter layer can be replaced independently under the condition of mutual noninterference, and after the first filter layer or the second filter layer is replaced, the first frame body and the second frame body are fixed by the first fastening piece. The inserting ring extends to the outer wall of the first frame body to form a state that the inner layer and the outer layer are staggered, so that gas can be effectively prevented from leaking, meanwhile, the first frame body and the second frame body can be limited along the direction perpendicular to the flowing direction of air, and the first frame body and the second frame body can be prevented from being deviated along the direction perpendicular to the flowing direction of air; the sealing ring and the sealing groove are arranged to prevent gas from leaking from the joint of the clamping ring and the inserting ring, and the gas tightness of the joint of the first frame body and the second frame body can be effectively improved.

The invention is further configured to: and a sealing filling piece is clamped at one side of the clamping ring opposite to the inserting ring.

Through adopting above-mentioned technical scheme, carry out dual protection through setting up sealed packing, sealing ring and seal groove to the joint of joint ring and grafting ring, can further improve the gas tightness between joint ring and the grafting ring.

The invention is further configured to: the first butt joint ring and the second butt joint ring are fixedly connected to one side, opposite to the first frame body and the second frame body, of the first butt joint ring, the outer ring of the second butt joint ring is arranged on the first butt joint ring, and wedge faces in mutual contact are arranged on one side, opposite to the first butt joint ring and the second butt joint ring, of the first butt joint ring and the second butt joint ring.

By adopting the technical scheme, when the first frame body is in butt joint with the second frame body, the two wedge surfaces are in butt joint with each other, and one side of the first butt joint ring in contact with one side of the second butt joint ring is set as the wedge surface, so that the air tightness of the first frame body in connection with the second frame body can be improved.

The invention is further configured to: and a soft sealing gasket is clamped at the opposite side of the two wedge surfaces.

Through adopting above-mentioned technical scheme, will seal the pad and press from both sides tightly when two wedge surfaces dock, can improve the gas tightness between two wedge surfaces through setting up sealed the pad, can improve the leakproofness between first framework and the second framework promptly.

The invention is further configured to: the utility model discloses a two-way filter, including first framework and second framework, the equal rigid coupling of one end that first framework and second framework inner wall deviate from has the frame that blocks of frame form, first framework and second framework inner wall all have a sliding frame, two along the flow direction sliding connection who is on a parallel with the air sliding frame, two are located respectively to the sliding frame block the relative one side of frame, block the frame end wall and seted up the confession the caulking groove of sliding frame tip embedding, be equipped with on the sliding frame be used for with the sliding frame is with the fixed second fastener of first framework or second framework, two are located respectively to first filtering layer and second filtering layer on the sliding frame.

Through adopting above-mentioned technical scheme, when changing first filtering layer or second filtering layer, loosen the second fastener, change first framework or second framework after following the roll-off of first framework or second framework with the sliding frame. Through with the sliding frame with block the frame split setting, the operating personnel of can being convenient for changes first filtering layer and second filtering layer, simultaneously, with the sliding frame tip embedding caulking groove in, can improve the gas tightness between sliding frame and first framework or the second framework inner wall, can improve the purifying effect to gas.

The invention is further configured to: the first filter layer comprises a plurality of activated carbon plates fixedly connected to the inner wall of the sliding frame, and each activated carbon plate comprises two layers of grid plates arranged in parallel, two breathable layers which are arranged on the two layers of grid plates and are opposite to one side wall, and activated carbon particles arranged between the two breathable layers.

Through adopting above-mentioned technical scheme, when gaseous first filtering layer, the impurity and some irritability gas filtration absorption in the air are absorbed to the active carbon granule. The filtering mode has simple structure and lower manufacturing cost.

The invention is further configured to: the plurality of activated carbon plates are arranged in the sliding frame in a W shape.

Through adopting above-mentioned technical scheme, establish a plurality of activated carbon plates into W shape, multiplicable air and activated carbon plate's area of contact improves the purification degree of activated carbon granule to the air.

The invention is further configured to: the utility model discloses a fan, including first framework, air inlet diffusion mouth, air-out diffusion mouth, wave baffle box, air inlet diffusion mouth and air-out diffusion mouth are the toper, air inlet diffusion mouth and air-out diffusion mouth are close the one end of first framework is greater than and keeps away from the one end of first framework, air inlet diffusion mouth is close the one end inner wall rigid coupling of first framework has the wave baffle, run through on the wave baffle and seted up a plurality ofly will the ventilation hole of air inlet diffusion mouth with first framework intercommunication, the wave baffle is close one side of first framework is equipped with the cubic wave baffle box of rectangle in ventilation hole periphery, the wave baffle box perpendicular to a plurality of incidences have been seted up to the lateral wall of wave baffle the air inlet diffusion mouth with the accent wind gap of first framework intercommunication.

Through adopting above-mentioned technical scheme, if the air that gets into air inlet diffusion mouth is the gas that instantaneous explosion produced, then the shock wave that gets into in the air inlet diffusion mouth is very big, consequently sets up the fender wind box and transfers the wind gap to change the air from the entering direction of air inlet diffusion mouth, can reduce the shock wave of air and to the impact strength of activated carbon plate and absorbed layer, can avoid damaging activated carbon plate and absorbed layer.

The invention is further configured to: the air inlet diffusion mouth outer wall rigid coupling has the trigger, the last rigid coupling of wave blocking box have with trigger electric connection's generator, the second filtering layer include along perpendicular to air flow direction rigid coupling in the multilayer absorbed layer of sliding frame inner wall.

By adopting the technical scheme, the trigger controls the generator to operate to kill microorganisms, bacteria and the like in the air, and then the residual bacteria and the like in the air are filtered by the absorption layer, so that the air is purified. The air purification mode can purify the air more thoroughly.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the first frame body and the second frame body are arranged in a split mode, so that the first filter layer or the second filter layer can be replaced independently;

2. the first butt joint ring and the second butt joint ring are arranged, so that the air tightness of the first frame body and the second frame body can be improved when the first frame body and the second frame body are connected;

3. through setting up and block frame and sliding frame and can be convenient for dismantle first filtering layer and second filtering layer, also can improve the gas tightness that first filtering layer and second filtering layer installed in first framework and second framework.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the plane a-a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, an air inlet diffusion port; 2. a first frame body; 21. a first docking ring; 211. a wedge surface; 212. a gasket; 3. a second frame body; 31. a second docking ring; 4. an air outlet diffusion port; 5. an activated carbon plate; 51. a grid plate; 52. a breathable layer; 53. activated carbon particles; 6. a second filter layer; 61. an absorbing layer; 7. a wave baffle; 71. a vent hole; 72. a wave-blocking box; 73. adjusting the air outlet; 74. a trigger; 75. a generator; 8. a snap ring; 81. a sealing groove; 811. a first rubber ring; 82. sealing the filling member; 83. a blocking frame; 84. a sliding frame; 85. caulking grooves; 86. a second fastener; 9. a plug-in ring; 91. a seal ring; 99. a first fastener.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the chemical defense filter absorber disclosed by the invention comprises an air inlet diffusion port 1, a first frame 2, a second frame 3, an air outlet diffusion port 4, a first filter layer and a second filter layer 6, which are arranged in the first frame 2 and the second frame 3 respectively, and the air inlet diffusion port, the first frame 2, the second frame 3 and the air outlet diffusion port are arranged in sequence along the air flowing direction.

Referring to fig. 1 and 2, the air inlet diffusion port 1 and the air outlet diffusion port 4 are both conical, one end of the air inlet diffusion port 1 close to the first frame body 2 and one end of the air outlet pipe diffusion port close to the first frame body 2 are larger than one end of the air outlet pipe diffusion port far away from the first frame body 2, the wave baffle 7 is welded on the inner wall of one end of the air inlet diffusion port 1 close to the first frame body 2, the side wall of the wave baffle 7 is penetrated and provided with a plurality of ventilation holes 71 communicating the air inlet diffusion port 1 with the first frame body 2, one side of the wave baffle 7 close to the first frame body 2 is provided with a rectangular block-shaped wave baffle box 72 at the periphery of the wave baffle 7, and the wave baffle box 72 is perpendicular to the side wall of the wave baffle 7 and is provided with a plurality of air adjusting holes 73 communicating the air inlet diffusion port 1 with the first frame body 2. The outer wall of the air inlet diffusion port 1 is fixedly connected with a trigger 74, the side wall of the wave blocking box 72 is fixedly connected with a generator 75 electrically connected with the trigger 74 through screws, and the generator 75 is an ozone generator.

Referring to fig. 2 and 4, the air inlet diffuser 1 and the air outlet diffuser 4 are both conical, the end with larger area of the air inlet diffuser 1 is welded with one end wall of the first frame 2, the end with larger area of the air outlet diffuser 4 is welded with one end wall of the second frame 3, the first frame 2 and the second frame 3 are detachably connected with the end far away from the air inlet diffuser 1 and the air outlet diffuser 4 respectively, the opposite sides of the first frame 2 and the second frame 3 are welded with the first butt ring 21 and the second butt ring 31 respectively, the first butt ring 21 is arranged on the outer ring of the second butt ring 31, the first butt ring 21 is in contact with one end wall far away from the air outlet diffuser 4 of the second frame 3, the second butt ring 31 is in contact with one end wall far away from the air inlet diffuser 1 of the first frame 2, the opposite sides of the first butt ring 21 and the second butt ring 31 are wedge surfaces 211 in mutual contact, and the opposite sides of the two wedge surfaces 211 are clamped with a soft sealing gasket 212, in this embodiment, the material of the gasket 212 is rubber.

Referring to fig. 2 and 4, a clamping ring 8 is welded on the outer wall of the first frame body 2, an inserting ring 9 is welded on the outer wall of the second frame body 3, the inserting ring 9 extends to the outer wall of the first frame body 2, and the clamping ring 8 is in contact with the end wall of the inserting ring 9 when the end walls of the first frame body 2 and the second frame body 3 are butted; a first fastener 99 for fixing the clamping ring 8 and the inserting ring 9 is arranged between the clamping ring 8 and the inserting ring 9, and the first fastener 99 is a bolt for fixing the clamping ring 8 and the inserting ring 9; the annular seal groove 81 has been seted up to the one end wall of joint ring 8 just to joint ring 9, and the one end welding that joint ring 9 is close to joint ring 8 has the sealing ring 91 that can insert in the seal groove 81, and the embedded first rubber circle 811 that can contact with sealing ring 91 end wall that is equipped with of seal groove 81. A sealing filler 82 is clamped between the clamping ring 8 and the side opposite to the inserting ring 9, the sealing filler 82 is clamped in a gap between the clamping ring 8 and the inserting ring 9, and the sealing filler 82 is made of silica gel in this embodiment.

Referring to fig. 2, frame-shaped blocking frames 83 are welded at the ends of the first frame body 2 and the second frame body 3, which are deviated from the inner walls, sliding frames 84 are connected to the inner walls of the first frame body 2 and the second frame body 3 in a sliding manner along the direction parallel to the air flow direction, the two sliding frames 84 are respectively arranged at the opposite sides of the two blocking frames 83, an embedding groove 85 for embedding the end part of the sliding frame 84 is formed in the end wall of the blocking frame 83, and a second rubber ring capable of contacting with the end wall of the sliding frame 84 is embedded in the embedding groove 85; the sliding frame 84 is provided with a second fastening member 86 for fixing the sliding frame 84 and the first frame body 2 or the second frame body 3, and in this embodiment, the second fastening member 86 is a bolt which passes through the sliding frame 84 and is in threaded connection with the inner wall of the first frame body 2 or the second frame body 3.

Referring to fig. 2 and 4, the first filter layer is disposed on the inner wall of the sliding frame 84 connected to the first frame body 2, the first filter layer includes a plurality of activated carbon plates 5 fixedly connected to the inner wall of the sliding frame 84, the plurality of activated carbon plates 5 are arranged in the sliding frame 84 in a W-shape, the activated carbon plates 5 include two layers of parallel arranged grid plates 51 respectively welded to the inner wall of the sliding frame 84, two ventilating layers 52 respectively fixed to two grid plates 51 by screws and facing a side wall, and activated carbon particles 53 filled between the two ventilating layers 52, in this embodiment, the ventilating layer 52 is made of a ventilating cotton cloth.

Referring to fig. 2, the second filter layer 6 is disposed on an inner wall of the sliding frame 84 connected to the second frame 3, the second filter layer 6 includes a plurality of layers of absorbent layers 61 fixed on the inner wall of the sliding frame 84 along a direction perpendicular to the air flow direction, and the material of the absorbent layers 61 is high-efficiency filter paper in this embodiment.

The implementation principle of the embodiment is as follows: when air purification is required, the trigger 74 controls the generator 75 to kill microbes, bacteria and the like in the air, and then the absorption layer 61 filters the remaining microbes, bacteria and the like in the air; when dust and irritant gas in the air pass through the activated carbon plate 5, the dust and irritant gas are absorbed by the activated carbon particles 53 in the activated carbon plate 5, and finally clean air is discharged from the air outlet diffusion opening 4.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a chemical defense gas particulate filter, includes along air flow direction air inlet diffusion mouth (1), first framework (2), second framework (3), air-out diffusion mouth (4) that set gradually, locates respectively first filtering layer and second filtering layer (6) in first framework (2) and second framework (3), its characterized in that: the first frame body (2) and the second frame body (3) are detachably connected, and one end walls opposite to the first frame body and the second frame body are butted, the outer wall of the first frame body (2) is fixedly connected with a clamping ring (8), the outer wall of the second frame body (3) is fixedly connected with an inserting ring (9), the plug-in ring (9) extends to the outer wall of the first frame body (2), the clamping ring (8) is contacted with the end wall of the plug-in ring (9) when the first frame body (2) is butted with the end wall of the second frame body (3), a first fastener (99) for fixing the clamping ring (8) and the inserting ring (9) is arranged between the clamping ring and the inserting ring, an annular sealing groove (81) is arranged on one end wall of the clamping ring (8) opposite to the inserting ring (9), one end of the inserting ring (9) close to the clamping ring (8) is fixedly connected with a sealing ring (91) capable of being inserted into the sealing groove (81);

a first butt joint ring (21) and a second butt joint ring (31) are fixedly connected to the opposite sides of the first frame body (2) and the second frame body (3) respectively, the first butt joint ring (21) is arranged on the outer ring of the second butt joint ring (31), and wedge surfaces (211) which are in contact with each other are arranged on the opposite sides of the first butt joint ring (21) and the second butt joint ring (31);

a soft sealing gasket (212) is clamped at one side opposite to the two wedge surfaces (211).

2. A chemical defense filter absorber according to claim 1, wherein: and a sealing filling piece (82) is clamped at one side opposite to the clamping ring (8) and the inserting ring (9).

3. A chemical defense filter absorber according to claim 1, wherein: the utility model discloses a two-dimensional air filter, including first framework (2) and second framework (3), the equal rigid coupling of one end that first framework (2) and second framework (3) inner wall deviate from has the frame form block frame (83), there are sliding frame (84), two sliding frame (84) are located two respectively to first framework (2) and second framework (3) inner wall the flow direction sliding connection who is on a parallel with the air blocks the relative one side of frame (83), block frame (83) end wall and seted up the confession caulking groove (85) of sliding frame (84) tip embedding, be equipped with on sliding frame (84) and be used for with sliding frame (84) and first framework (2) or second framework (3) fixed second fastener (86), two are located respectively to first filtering layer and second filtering layer (6) on sliding frame (84).

4. A chemical defense filter absorber according to claim 3, wherein: the first filter layer comprises a plurality of activated carbon plates (5) fixedly connected to the inner wall of the sliding frame (84), and each activated carbon plate (5) comprises two layers of grid plates (51) arranged in parallel, two breathable layers (52) arranged on the side wall of the grid plate (51) and two layers of activated carbon particles (53) arranged between the two breathable layers (52).

5. The chemical defense filter absorber of claim 4, wherein: the plurality of activated carbon plates (5) are arranged in a W shape in the sliding frame (84).

6. The chemical defense filter absorber of claim 4, wherein: the air inlet diffusion port (1) and the air outlet diffusion port (4) are both conical, one end of the air inlet diffusion port (1) and one end of the air outlet diffusion port (4) close to the first frame body (2) are larger than one end of the air outlet diffusion port far away from the first frame body (2), a wave baffle plate (7) is fixedly connected with the inner wall of one end of the air inlet diffusion port (1) close to the first frame body (2), a plurality of vent holes (71) which are used for communicating the air inlet diffusion port (1) with the first frame body (2) are arranged on the wave baffle plate (7) in a penetrating way, a rectangular block-shaped wave-blocking box (72) is arranged on the periphery of the vent hole (71) on one side of the wave-blocking plate (7) close to the first frame body (2), the wave blocking box (72) is perpendicular to the side wall of the wave blocking plate (7) and is provided with a plurality of air adjusting openings (73) which are used for communicating the air inlet diffusion opening (1) with the first frame body (2).

7. The chemical defense filter absorber of claim 6, wherein: the air inlet diffusion mouth (1) outer wall rigid coupling has trigger (74), the rigid coupling has on wave blocking box (72) with trigger (74) electric connection's generator (75), second filtering layer (6) include along perpendicular to air flow direction rigid coupling in multilayer absorbed layer (61) of sliding frame (84) inner wall.