CN110772896A - Air filtering absorber - Google Patents
Air filtering absorber Download PDFInfo
- Publication number
- CN110772896A CN110772896A CN201911137264.0A CN201911137264A CN110772896A CN 110772896 A CN110772896 A CN 110772896A CN 201911137264 A CN201911137264 A CN 201911137264A CN 110772896 A CN110772896 A CN 110772896A
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- Prior art keywords
- air
- filter
- wind
- air inlet
- filtering
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
- A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8634—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
- B01D53/8675—Ozone
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an air filtering absorber, which comprises a filter shell, a free radical generator, a fine filtering unit and a toxin filtering unit, wherein an air inlet and an air outlet are arranged at two ends of the filter shell; and inlet and outlet adapters are respectively arranged on the end part of the air inlet and the end part of the air outlet. The invention increases the stroke and time of air filtration, leads the air purification to be more thorough, and can effectively filter and purify dust in the air, kill bacteria and viruses, and the like.
Description
Technical Field
The invention belongs to the technical field of civil air defense filtering equipment, and particularly relates to an air filtering absorber.
Background
The civil air defense facility is a public safety building which is built for coping with special environments such as wartime, disaster and the like, the system is complex and has a tight structure, the special environments such as wartime and disaster need to be fully considered when in design and construction, a special ventilation system is required, and the air filtering and absorbing equipment is an essential component in a filtering absorber special for civil air defense, and is important equipment in a civil air defense engineering virus-related ventilation system, and can effectively filter harmful substances such as toxic smoke, radioactive dust and the like in polluted air and provide filtered clean air for personnel in the civil air defense engineering; therefore, in the war time, the air is diffused with smoke and soot, and the air filtering and absorbing device is particularly important for guaranteeing the life safety of personnel so as to protect the personnel and the equipment from being polluted and remove harmful substances in the air. However, current filtration absorption equipment is in the use, because basement air humidity is big, the dust, the bacterium is more, in its working process, these pollutants all can gather on filtration absorption equipment usually, just so must regularly clear up filtration absorption equipment, if not clear up, it is unsatisfactory to lead to its filter effect then, frequent dismantlement and installation like this also can cause certain damage to dust filter self, influence the air purification degree, and present filtration absorption equipment structure is complicated, the installation is with change the degree of difficulty high, air purification and absorption are efficient inadequately, can not adapt to the requirement of various environment, urgent need to present improvement.
Disclosure of Invention
The invention aims to provide an air filtering absorber, which increases the stroke and time of air filtering, enables air purification to be more thorough, can effectively filter and purify dust in air, kill bacteria, viruses and the like, and improves the purification efficiency and quality. In order to achieve the purpose, the invention adopts the following technical scheme:
according to one aspect of the invention, an air filtering absorber is provided, which comprises a filter shell, a free radical generator, a fine filtering unit and a toxin filtering unit, wherein an air inlet and an air outlet are arranged at two ends of the filter shell, an air inlet diffuser is fixedly arranged between an outlet of the air inlet and one end of the filter shell, an air outlet diffuser is arranged between the other end of the filter shell and an inlet of the air outlet, the free radical generator extending into the air inlet diffuser is arranged on the outer wall of the air inlet diffuser, the fine filtering unit is fixed on the inner wall of one end of the filter shell and close to the outlet of the air inlet diffuser, and the toxin filtering unit is arranged in the filter shell between the fine filtering unit and the inlet of the air outlet diffuser; be provided with the access & exit adapter respectively on the tip of air inlet and the tip of gas outlet, be connected with rubber bellows on the access adapter, carry out fixed connection through the special-shaped larynx hoop of three section between access & exit adapter and the rubber bellows.
In a further preferable mode of the above scheme, the end of the rubber corrugated pipe is connected with a ventilation pipeline 7, and the ventilation pipeline is connected with the rubber corrugated pipe through a circular flange.
The above-mentioned scheme is further preferred be in on the air pipe and be close to circular flange one side and be provided with resistance measurement pipe.
In a further preferred embodiment of the present invention, a coarse filter net is disposed at an inlet side and/or an outlet side of the fine filter unit, and the coarse filter net is fixed at an inner portion of the filter housing in front of the inlet side of the fine filter unit and/or in front of the inlet side of the fine filter unit.
Preferably, the surface of the coarse filter screen is in a wave shape or an arc shape.
Above-mentioned scheme is further preferred, is provided with alarm device in the air inlet diffuser and in the air-out diffuser respectively.
The scheme is further preferred, the air inlet diffuser is internally provided with a wind-damping explosion-proof plate and a coarse filtration catalyst membrane plate in sequence from an inlet to an outlet, the wind-damping explosion-proof plate comprises a left frame, a wind-damping explosion-proof plate body and a right frame which are sequentially arranged from left to right, and edges on two sides of the wind-damping explosion-proof plate body are respectively embedded and fixed in the edge of the left frame and the edge of the right frame.
According to the scheme, the surface of the wind-eliminating and explosion-proof plate body is preferably provided with the ventilation holes and the wind-eliminating pipes in a distributed mode, the side walls of the wind-eliminating pipes are provided with the wind-eliminating holes, the wind-eliminating pipes extend outwards and vertically along the left side surface of the wind-eliminating and explosion-proof plate body, the wind-eliminating pipes are in a conical shape, a cylindrical shape or a polygonal shape, and the ventilation holes and the wind-eliminating holes are circular holes, square holes or elliptical holes.
In a further preferred embodiment of the above scheme, the thickness of the coarse filtration catalyst membrane is 5mm to 20mm, and the coarse filtration catalyst membrane is a photocatalyst membrane.
Preferably, the poison filtering unit comprises a poison filtering screen which is fixedly inserted into the filter shell and is obliquely or vertically arranged along the air inlet conveying direction, and a plurality of layers of front supporting groove type supporting plates and rear supporting groove type supporting plates which are horizontally arranged on the inner edge of the air inlet of the filter shell and the inner wall edge of the air outlet, so that a ventilation channel is formed between the adjacent front supporting groove type supporting plates or the adjacent rear supporting groove type supporting plates, and two ends of the poison filtering screen are respectively fixed in a cavity between the air inlet and the air outlet of the filter shell through the front supporting groove type supporting plates and the rear supporting groove type supporting plates; the outer peripheral edge of the poison filtering filter screen is provided with a supporting part, and two sides of the poison filtering filter screen are inserted into the side wall of the filter shell through the supporting part.
Preferably, the poison filtering filter screens are sequentially arranged in the filter shell in a reverse inclined mode, U-shaped connecting pieces are respectively arranged in the grooves of the front supporting groove type supporting plate and the rear supporting groove type supporting plate, and the end portions of the adjacent poison filtering filter screens are excessively connected and fixed in the grooves of the front supporting groove type supporting plate or the grooves of the rear supporting groove type supporting plate through the U-shaped connecting pieces.
In a further preferred embodiment of the above technical solution, the toxicity filtering screen comprises a support frame, a mesh layer and an activated carbon layer integrally formed and fixed in the support frame, wherein the support frame is a rectangular hollow frame mesh formed by weaving a metal mesh; and an adsorption filter layer is arranged in the support frame and on one side far away from the silk screen layer, and the silk screen layer and the activated carbon layer are sequentially arranged backwards along the air inlet conveying direction.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects:
(1) the air filtering absorber is provided with a plurality of filtering links, so that the stroke and time of air filtering are increased, the air is purified more thoroughly, the purification efficiency and quality are improved, the maintenance cost is reduced, the damage of shock waves can be effectively resisted, the operation is stable and reliable, each filtering unit is simple and reliable to replace, the purification efficiency is higher, the service life of the device is effectively prolonged, and the use requirement of chemical engineering is met;
(2) on the premise of meeting the requirements of filtering efficiency, protection efficiency and protection types, the air filtering absorber is provided with the air inlet diffuser, the air outlet diffuser, the fine filtering unit and the toxin filtering unit 4 in a limited space, so that a ventilation system can be absorbed and filtered to the maximum extent, the protection time and the circuit of the filtering absorber are increased, toxic smoke, radioactive dust and other harmful substances in contaminated air can be effectively filtered, and the full supply of clean air in civil air defense engineering can be met;
(3) the filter screen has the advantages of filtering, purifying air dust, killing bacteria, viruses and the like, having higher purification efficiency, improving the integral filtering and purifying quality of the filtering and absorbing device and meeting the use requirement of civil air defense engineering; the filter screen is widely applied to the industries of civil air defense engineering, underground passages, hospitals, scientific research, instruments and meters and the like, has small volume and light weight, is convenient for quick installation and use, and can be quickly disassembled and replaced.
Drawings
FIG. 1 is a schematic diagram of the construction of an air filtration absorber of the present invention;
FIG. 2 is a schematic view of the internal construction of an air filtration absorber of the present invention;
FIG. 3 is a schematic structural view of the wind-damping explosion-proof plate of the present invention;
FIG. 4 is a side view of a first embodiment of the wind-damping panel body of the present invention;
FIG. 5 is a side view of a second embodiment of the wind-damping panel body of the present invention;
FIG. 6 is a schematic view of the installation of the toxin filter screen of the present invention;
FIG. 7 is a schematic view of the poison filter screen of the present invention;
in the drawing, a filter housing 1, a free radical generator 2, a fine filtering unit 3, a toxin filtering unit 4, an air inlet diffuser 5, an air outlet diffuser 6, a ventilation duct 7, a resistance measuring tube 8, an alarm device 9, an air inlet 10, an air outlet 11, a handle 12, a coarse filtering net 30, a toxin filtering net 41, a supporting part 41a, a U-shaped connecting piece 41b, a front supporting groove-shaped supporting plate 42, a rear supporting groove-shaped supporting plate 43, a ventilation channel 44, a wind-eliminating explosion-proof plate 50, a coarse filtering catalyst membrane plate 51, an inlet-outlet adapter 100, a three-section special-shaped throat hoop 101, a rubber corrugated tube 102, a circular flange 103, a supporting frame 410, a silk screen layer 411, an active carbon layer 412, an adsorption filtering layer 413, a supporting groove 414, a left frame 500, a wind-eliminating explosion-proof plate 501, a right frame 502, a ventilation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1 and 2, an air filtering absorber according to the present invention includes a filter housing 1, a radical generator 2, a fine filtering unit 3, and a poisoning element 4, the filter housing 1 is a rectangular housing, an air inlet 10 and an air outlet 11 are arranged at two ends of the filter shell 1, an air inlet diffuser 5 is fixedly arranged between the outlet of the air inlet 10 and one end of the filter shell 1, an air outlet diffuser 6 is arranged between the other end of the filter shell 1 and the inlet of the air outlet 11, the outer wall of the air inlet diffuser 5 is provided with a free radical generator 2 extending into the air inlet diffuser, the fine filtering unit 3 is fixed on the inner wall of one end of the filter shell 1 and close to the outlet of the air inlet diffuser 5, the toxin filtering unit 4 is arranged in the filter shell 1 between the fine filtering unit 3 and the inlet of the air outlet diffuser 6; blind covers (not shown) are arranged on the end part of the air inlet 10 and the end part of the air outlet 11, handles 12 or hanging rings are arranged on the upper side and the lower side of the outer wall of the filter shell 1, when installation and connection are needed, the whole filter is hung to a position needing to be installed through the handles 12 and then is fixed, the blind covers are screwed out, then inlet and outlet adapters 100 are respectively arranged on the end part of the air inlet 10 and the end part of the air outlet 11, the inlet and outlet adapters 100 are fixedly connected with the air inlet 10 and the air outlet 11 through hexagon bolts after being in threaded connection, a rubber corrugated pipe 102 is connected to the inlet adapter 100, the rubber corrugated pipe 102 is sleeved on the inlet adapter 100, and then the inlet and outlet adapter 100 is fixedly connected with the rubber corrugated pipe 102 through a special-shaped three-section throat hoop 101; the end part of the rubber corrugated pipe 102 is connected with a ventilating pipe 7, the ventilating pipe 7 is connected with the rubber corrugated pipe 102 through a circular flange 103, the edge of the circular flange 103 is connected with the edge of the end part of the ventilating pipe 7 through hexagon bolts, then the rubber corrugated pipe 102 is sleeved with the circular flange 103, and the hexagon bolts are screwed according to symmetrical positions, so that the circular flange 103 is stressed uniformly, and the rubber corrugated pipe 102 and the circular flange 103 can keep good sealing performance after being screwed.
In the present invention, as shown in fig. 1 and fig. 2, a resistance measurement tube 8 is disposed on the ventilation duct 7 and on a side close to the circular flange 103 (a pressure measurement sensor or an air velocity sensor is disposed in the resistance measurement tube 8, and the pressure measurement sensor or the air velocity sensor extends into the ventilation duct 7 from the inside of the resistance measurement tube 8 to measure wind power or wind velocity), one end of the resistance measurement tube 8 extends into the ventilation duct 7, the other end of the resistance measurement tube 8 extends out of the ventilation duct 7, a part of the resistance measurement tube 8 extends into the ventilation duct 7, and the other part of the resistance measurement tube 8 is exposed outside the ventilation duct 7, so as to detect the air volume in the ventilation duct 7. The air inlet diffuser 5 and the air outlet diffuser 6 are respectively provided with an alarm device 9, a flue gas sensor and a PM2.5 sensor are arranged in the alarm device 9 and used for detecting toxic substances and the type and the particle size of flue gas in air, the air purification quality before and after filtration can be monitored in real time through the alarm device 9, whether the inner fine filtration unit 3 and the toxin filtration unit 4 need to be replaced or not is reflected according to the monitored air data before and after filtration, and the filtration and purification quality of the whole air filtration absorber is ensured; in the invention, a coarse filter screen 30 is arranged at one side of an inlet and/or one side of an outlet of the fine filter unit 3, the air flow filtered by the coarse filter screen 30 is sent into the fine filter unit 3 to filter aerosol substances such as poison smoke, poison, microorganism, smoke dust and the like, the coarse filter screen 30 is fixed in the filter shell 1 in front of one side of the inlet of the fine filter unit 3 and/or in front of one side of the inlet of the fine filter unit 3, the surface of the coarse filter screen 30 is in a wave shape or an arc shape, so that the contact surface of the coarse filter screen 30 and the air is improved, the pore diameter distributed on the coarse filter screen 30 is between 10mm and 15mm, the coarse filter screen 30 not only can effectively resist the damage of impact force of substances carried in wind power, but also can resist larger substances carried in the air flow, and the service life of the fine filter unit 3 and the filter unit 4 is prolonged, the operation is stable and reliable, and the integral cost performance of the filter is improved.
In the present invention, as shown in fig. 1 and fig. 3, a wind-damping explosion-proof plate 50 and a coarse filtration catalyst membrane 51 are detachably arranged in the air intake diffuser 5 in sequence from the inlet to the outlet, the wind-damping explosion-proof plate 50 includes a left frame 500, a wind-damping explosion-proof plate 501 and a right frame 502 which are arranged in sequence from left to right, two side edges of the wind-damping explosion-proof plate 501 are respectively embedded and fixed in the edge of the left frame 500 and the edge of the right frame 502, the wind-damping explosion-proof plate 501 can effectively resist the damage of wind impact, and the left frame 500 and the right frame 502 improve the impact strength of the whole wind-damping explosion-proof plate 50 and are conveniently fixed in the air intake diffuser 5; the surface of the wind-eliminating explosion-proof plate body 501 is distributed with a vent hole 503 and a wind-eliminating pipe 504, the side wall of the wind-eliminating pipe 504 is provided with a wind-eliminating hole 505, the wind-eliminating pipe 504 extends outwards and vertically along the left side surface of the wind-eliminating explosion-proof plate body 501, the wind-eliminating pipe 504 is in a conical shape, a cylindrical shape or a polygonal shape, when the wind-eliminating pipe 504 is in a conical shape, the inlet end of the wind-eliminating pipe 504 is larger than the outlet end, or the inlet end of the wind-eliminating pipe 504 is smaller than the outlet end, the vent hole 503 and the wind-eliminating hole 505 are circular holes, square holes or elliptical holes, when the air flow blows and hits the surface of the wind-eliminating explosion-proof plate body 501, part of the air flow directly flows out through the vent hole 503, after passing through the wind-eliminating pipe 504, the air flow disperses and flows out from the wind-eliminating hole 505 and flows out from the vent hole 503 around to the coarse filtration catalyst membrane, thereby playing the roles of shunting the air flow and reducing the impact force of the air flow, wherein the thickness of the coarse filtration catalyst membrane plate 51 is 5 mm-20 mm, and the coarse filtration catalyst membrane plate is a photocatalyst membrane plate; the photocatalyst film plate is a honeycomb nano titanium dioxide plate, which not only increases the contact area between the air flow and the photocatalyst film plate and enhances the air purification effect, but also under the irradiation of the light of the free radical generator 2 (such as an ultraviolet hydroxyl free radical generator), the rough filtration catalyst film plate 51 excites high-energy electrons to generate various free radicals, so that the harmful substances in the air flow react with the free radicals, and the air flow can be quickly killedThe pathogens such as bacteria, virus, mould and dust mite in the air decompose volatile organic compounds such as formaldehyde, benzene and xylene in the air, and carbon monoxide, methane, nitrous oxide, hydrogen sulfide and other toxic gases (SO)
2、O
3、NH
3) And provides the capability of purifying and resisting bacteria, removing smoke, deodorizing and detoxifying, and the safety and reliability of the filter absorber, and then the decomposed and filtered air flow is further purified by the fine filter unit 3 and the poison filtering unit 4.
In the present invention, as shown in fig. 1 and 6, the poison filtering unit 4 includes a poison filtering screen 41 inserted and fixed in the filter housing 1 and disposed obliquely or vertically along the air inlet conveying direction, a plurality of layers of front supporting groove type supporting plates 42 and rear supporting groove type supporting plates 43 horizontally disposed at the inner edge of the air inlet and the inner wall edge of the air outlet, so that a ventilation channel 44 is formed between the adjacent front supporting groove type supporting plates 42 or the adjacent rear supporting groove type supporting plates 43, two ends of the poison filtering screen 41 are respectively fixed in the cavity between the air inlet and the air outlet of the filter housing 1 through the front supporting groove type supporting plates 42 and the rear supporting groove type supporting plates 43, a supporting portion 41a is disposed on the outer peripheral edge of the poison filtering screen 41, two sides of the poison filtering screen 41 are inserted and connected to the sidewall of the filter housing 1 through the supporting portions 41a, the front and rear ends of the poison filtering screen 41 are fixed to the filter screen through the supporting portions 41a, the front supporting groove-shaped supporting plate 42 and the rear supporting groove-shaped supporting plate 43 are convenient for the poison filtering net 41 to be inserted into the groove-shaped supporting plate arranged in the filter shell 1, so that the edge of the poison filtering net 41 is not damaged, and the installation and the disassembly are also convenient.
In the invention, as shown in fig. 2, alarm devices 9 are respectively arranged in the air inlet diffuser 5 and the air outlet diffuser 6, a flue gas sensor and a PM2.5 sensor are arranged in the alarm devices 9 and used for detecting toxic substances and flue gas types and particle sizes in air, the air purification quality before and after filtration can be monitored in real time through the alarm devices 9, whether the inner fine filtration unit 3 and the toxin filtration unit 4 need to be replaced or not is reflected according to the monitored air data before and after filtration, and the filtration purification quality of the whole air filtration absorber is ensured; in the invention, a coarse filter screen 30 is arranged on one side of an inlet and/or one side of an outlet of the fine filter unit 3, the coarse filter screen 30 is fixed in front of one side of the inlet of the fine filter unit 3 and/or on the inner part of the filter shell 1 in front of one side of the inlet of the fine filter unit 3, the surface of the coarse filter screen 30 is in a wave shape or an arc shape, so that the contact surface of the coarse filter screen 30 and air is improved, the pore diameter distributed on the coarse filter screen 30 is between 8mm and 25mm, the coarse filter screen 30 not only can effectively resist the damage of impact force of substances carried in wind power, but also can resist larger substances carried in air flow, the service lives of the fine filter unit 3 and the toxin filter unit 4 are prolonged, the operation is stable and reliable, and the overall cost performance of the filter is improved.
In the present invention, referring to fig. 1 and 6, the poison filtering screens 41 are sequentially and reversely arranged in the filter housing 1, U-shaped connecting members 41b are respectively arranged in the grooves of the front supporting groove-shaped supporting plate 42 and the rear supporting groove-shaped supporting plate 43, the end portions of the adjacent poison filtering screens 41 are excessively connected and fixed in the grooves of the front supporting groove-shaped supporting plate 42 or the grooves of the rear supporting groove-shaped supporting plate 43 by the U-shaped connecting members 41b, and the plurality of poison filtering screens 41 are formed by connecting the U-shaped connecting members 41b in series; and the ends of the poison filter screen 41 are arranged between the two outer edges of the U-shaped connecting piece 41b and the inner edge of the slot of the front supporting slot type supporting plate 42 or the inner edge of the slot of the rear supporting slot type supporting plate 43, and the poison filter screen 41 adjacent to one end is connected by the U-shaped connecting piece 41b, for example, one end of the poison filter screen 41 is arranged on the rear supporting slot type supporting plate 43 (the end of the poison filter screen 41 is arranged between the outer wall of the U-shaped connecting piece 41b and the inner wall of the rear supporting slot type supporting plate 43), and the other end of the poison filter screen 41 is arranged on the front supporting slot type supporting plate 42 at the opposite side in a downward inclined manner (the end of the poison filter screen 41 is arranged between the outer wall of the U-shaped connecting piece 41b and the inner wall of the front supporting slot type supporting plate 42), so that the poison filter screen 41 is connected in, The M-shaped or W-shaped filter screens 41 are obliquely arranged, an airflow channel is formed between each layer of the poison filtering filter screens 41, when the airflow flows into the poison filtering filter screens 41 in the filter shell 1 along the direction indicated by an arrow for filtering and adsorption, the airflow is diffused when encountering the U-shaped connecting piece 41b and returns to the poison filtering filter screens 41 for re-filtering, the adsorption area of the poison filtering filter screens 41 in unit area is increased, the line for adsorbing the air is prolonged, and the purification efficiency is high; the poison filtering screen 41 comprises a supporting frame 410, a silk screen layer 411 and an activated carbon layer 412 which are integrally formed and fixed in the supporting frame 410, as shown in fig. 7, the supporting frame 410 is in a rectangular hollow frame net shape formed by weaving metal nets, in the invention, an adsorption filter layer 413 is arranged in the supporting frame 410 and on one side far away from the silk screen layer 411, the silk screen layer 411 and the activated carbon layer 412 are sequentially arranged backwards along the air inlet conveying direction, the supporting frame 410 is made of aluminum alloy materials, and the activated carbon layer is honeycomb-shaped coconut shell activated carbon or bamboo charcoal activated carbon; the particle in the dust-containing air can be intercepted, the steam-shaped toxicity in the air flow and the byproducts of purifying bacteria, viruses, mold, toxic gas and the like in the air flow can be effectively adsorbed, the humidity of the air is improved, and the air quality is improved; in the present invention, as shown in fig. 3, support grooves 414 are provided on two inner side walls of the support frame 410, so that the mesh layer 411, the activated carbon layer 412 and the additional filter layer 413 are conveniently arranged in the mesh of the rectangular hollow frame, thereby supporting, isolating and stabilizing two ends of the mesh layer 411, the activated carbon layer 412 and the additional filter layer 413; the silk screen layer 411, the activated carbon layer 412 and the auxiliary filtering layer 413 are respectively arranged between the supporting grooves 414 of the two side walls in the supporting frame 410, and the silk screen layer 411 is in a rectangular hollow frame net shape formed by weaving metal nets, and the activated carbon layer 412 and the adsorption filtering layer 413 are filled in the rectangular hollow frame net shape, so that the capacity of the filter absorber for adsorbing harmful substances in air is improved, the structure is scientific and optimized, and the practicability is high. In the invention, as shown in fig. 3, the silk screen layer 411 is a double-spiral net, the silk screen layer 411 is a polytetrafluoroethylene nano-aperture filter membrane or a polypropylene microporous filter membrane and is a double-spiral net, which plays a role in supporting and stabilizing the space between the activated carbon layer 412 and the support frame 410, expands the air flow and the pollution filter area, enhances the effect of adsorbing pollutants, and has an aperture of 2 μm to 6 μm, which can further adsorb pollutants such as mist, smoke, dust and the like in the air; the adsorption and filtration layer 413 is used for further adsorbing various residual bacteria in the air flow, the adsorption and filtration layer 413 is in a wave net shape, the adsorption and filtration layer 413 is formed by weaving nano fiber yarns, the nano fiber yarns are formed by weaving nano glass fiber yarns and nano silver fiber yarns, and the adsorption and filtration layer 413 further inhibits and kills germs, bacteria or viruses in the air flow.
With reference to fig. 1, 2, 3, 4, 5, 6 and 7, the method for air filtration absorption using the filter absorber of the present invention comprises the following steps: the method comprises the following steps of forming an air filtering path, roughly filtering air, sterilizing and decomposing air, finely filtering air and adsorbing and filtering toxicity, and specifically comprises the following steps: firstly, respectively assembling the fine filtering unit 3 and the toxin filtering unit 4 in the filter shell 1, respectively assembling an air inlet diffuser 5 and an air outlet diffuser 6 at an air inlet 10 and an air outlet 11 at two ends of the filter shell 1, respectively installing a free radical generator 2 extending into the air inlet diffuser 5 on the outer wall of the air inlet diffuser 5, and respectively connecting a ventilating duct 7 with the air inlet 10 and the air outlet 11 through a rubber corrugated pipe 102 to form a ventilating toxin filtering path, so that air current entering the air inlet diffuser 5 is uniformly distributed, and the resistance of the fine filtering unit 3 to the air current is reduced; secondly, the air flow of the air entering the ventilation duct 7 is divided under the action of the wind-eliminating and explosion-proof plate body 501, and the flow rate of the air flow is not less than 1000
3The resistance of air flow is not more than 900 Pa; not only reduces the flowing speed of the air current, but also reduces the effect of air impact, the air current discharged after the air dissipation and shunt treatment is easier to be uniformly diffused, the air current which flows out from the air dissipation holes 505 in a dispersing way is under the illumination effect of the free radical generator 2, so that the air current is subjected to coarse filtration, sterilization and decomposition treatment in the air inlet diffuser 5, the damage of the impact force of substances carried in the wind power can be effectively resisted, the wave residual pressure effect of the air current entering the fine filtration unit 3 is weakened, the effect of protecting the fine filtration unit 3 is achieved, and the air current carried in the air current can be resistedLarger substances improve the reliability of fine filtration and toxin filtration, the coarse filtration catalyst membrane plate 51 can excite high-energy electrons to generate various free radicals under the action of illumination of the free radical generator 2, and can generate oxidation radicals such as hydroxyl free radicals, oxygen free radicals and ozone ions under the action of illumination, and at the moment, harmful substances in the air flow can react with the free radicals to generate harmless CO through decomposition
2And H
2O, decomposition to harmless CO
2And H
2O and undecomposed toxic substances are filtered and adsorbed by a fine filtering unit 3, the filtering aperture of the fine filtering unit 3 is 1-20 μm, and can block large particles with the particle size larger than 5 μm in the air, the fine filtering unit 3 consists of a metal net or a glass fiber net and active carbon impregnated with metal oxides, the metal net or the glass fiber net is a square net frame, the active carbon impregnated with the metal oxides is filled in the square net frame, the particle size of the active carbon is 1-3 mm, the metal oxides are one or a mixture of nano metal silver, cerium oxide, copper oxide, manganese oxide, zinc oxide, cobalt oxide and nickel oxide, so that the toxic smoke, toxic substances, microorganisms, smoke dust and other substances in an aerosol state are effectively filtered and adsorbed, and the purification capacity and the toxic filtering efficiency are improved; finally, the air flow processed by the fine filtering unit 3 passes through a plurality of layers of toxin filtering filter screens 41 in the toxin filtering unit 4, when the air flow passes through a ventilation channel 44 formed by adjacent toxin filtering filter screens 41, a part of the air flow is directly discharged from the air outlet diffuser 6 after being sequentially filtered and adsorbed by the supporting frame 410, the silk screen layer 411, the activated carbon layer 412 and the adsorption filter layer 413 of the toxin filtering filter screens 41, and the other part of the air flow is reflected or shunted to the adjacent toxin filtering filter screens 41 for secondary filtering and adsorption after being blocked by the supporting frame 410 and the rear supporting groove type supporting plate 43, and is discharged from the air outlet diffuser 6 after being filtered and adsorbed again; thereby absorbing the toxicity in a steam shape, expanding the air flow and the pollution filtering area, and increasing the protection time and the circuit of air filtration.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. An air filtration absorber, characterized by: comprises a filter shell (1), a free radical generator (2), a fine filtering unit (3) and a toxin filtering unit (4), an air inlet (10) and an air outlet (11) are arranged at the two ends of the filter shell (1), an air inlet diffuser (5) is fixedly arranged between the outlet of the air inlet (10) and one end of the filter shell (1), an air outlet diffuser (6) is arranged between the other end of the filter shell (1) and the inlet of the air outlet (11), the outer wall of the air inlet diffuser (5) is provided with a free radical generator (2) extending into the air inlet diffuser, the fine filtering unit (3) is fixed on the inner wall of one end of the filter shell (1) and close to the outlet of the air inlet diffuser (5), the toxin filtering unit (4) is arranged in the filter shell (1) between the fine filtering unit (3) and the inlet of the air outlet diffuser (6); be provided with access & exit adapter (100) respectively on the tip of air inlet (10) and the tip of gas outlet (11), be connected with rubber bellows (102) on access adapter (100), carry out fixed connection through three section dysmorphism larynx hoop (101) between access & exit adapter (100) and rubber bellows (102).
2. An air filtration absorber according to claim 1, wherein: the filter is characterized in that a coarse filter screen (30) is arranged on one side of an inlet and/or one side of an outlet of the fine filter unit (3), and the coarse filter screen (30) is fixed on the front of one side of the inlet of the fine filter unit (3) and/or the inside of the filter shell (1) in front of one side of the inlet of the fine filter unit (3).
3. An air filtration absorber according to claim 2, wherein: the surface of the coarse filter screen (30) is in a wave shape or an arc shape.
4. An air filtration absorber according to claim 1, wherein: the end part of the rubber corrugated pipe (102) is connected with a ventilating pipeline (7), and the ventilating pipeline (7) is connected with the rubber corrugated pipe (102) through a circular flange (103).
5. An air filtration absorber according to claim 4, wherein: alarm devices (9) are respectively arranged in the air inlet diffuser (5) and the air outlet diffuser (6); and a resistance measuring pipe (8) is arranged on the ventilation pipeline (7) and close to one side of the circular flange (103).
6. An air filter absorber according to claim 1 or 6 wherein: air inlet diffuser (5) in and from the entry to export between can dismantle in proper order and be provided with air-damping explosion-proof board (50) and coarse filtration catalyst lamina membranacea (51), air-damping explosion-proof board (50) include from left side frame (500), air-damping explosion-proof board body (501) and right frame (502) that arrange in proper order from the left side right side, the both sides edge of air-damping explosion-proof board body (501) imbeds respectively and fixes in the edge of left side frame (500) and the edge of right frame (502), the thickness of coarse filtration catalyst lamina membranacea is 5mm ~ 20mm, and this coarse filtration catalyst lamina membranacea is the photocatalyst lamina membranacea.
7. An air filtration absorber according to claim 6, wherein: the wind-eliminating and explosion-proof plate body is characterized in that a vent hole (503) and a wind-eliminating pipe (504) are distributed on the surface of the wind-eliminating and explosion-proof plate body (501), a wind-eliminating hole (505) is formed in the side wall of the wind-eliminating pipe (504), the wind-eliminating pipe (504) extends outwards and vertically along the left side surface of the wind-eliminating and explosion-proof plate body (501), the wind-eliminating pipe (504) is in a conical shape, a cylindrical shape or a polygonal shape, and the vent hole (503) and the wind-eliminating hole (505) are circular holes, square holes or elliptical holes.
8. An air filtration absorber according to claim 1, wherein: the poison filtering unit (4) comprises a poison filtering filter screen (41) which is fixedly inserted into the filter shell (1) and is obliquely or vertically arranged along the air inlet conveying direction, and a plurality of layers of front supporting groove type supporting plates (42) and rear supporting groove type supporting plates (43) which are horizontally arranged on the inner edge of the air inlet and the inner wall edge of the air outlet of the filter shell (1), so that a ventilation channel (44) is formed between the adjacent front supporting groove type supporting plates (42) or the adjacent rear supporting groove type supporting plates (43), and two ends of the poison filtering filter screen (41) are respectively fixed in a cavity between the air inlet and the air outlet of the filter shell (1) through the front supporting groove type supporting plates (42) and the rear supporting groove type supporting plates (43); a support part (41a) is arranged on the peripheral edge of the poison filtering filter screen (41), and two sides of the poison filtering filter screen (41) are inserted on the side wall of the filter shell (1) through the support parts (41 a).
9. An air filtration absorber according to claim 8, wherein: the poison filtering filter screens (41) are sequentially arranged in the filter shell (1) in a reverse-inclined mode, U-shaped connecting pieces (41b) are respectively arranged in the grooves of the front supporting groove type supporting plate (42) and the rear supporting groove type supporting plate (43), and the end portions of the adjacent poison filtering filter screens (41) are excessively connected and fixed in the grooves of the front supporting groove type supporting plate (42) or the grooves of the rear supporting groove type supporting plate (43) through the U-shaped connecting pieces (41 b).
10. An air filtration absorber according to claim 9, wherein: the toxin filtering filter screen (41) comprises a support frame (410), a silk screen layer (411) and an activated carbon layer (412) which are integrally formed and fixed in the support frame (410), wherein the support frame (410) is in a rectangular hollow frame net shape formed by weaving and enclosing metal nets; an adsorption and filtration layer (413) is arranged on one side, far away from the silk screen layer (411), in the supporting frame (410), and the silk screen layer (411) and the activated carbon layer (412) are sequentially arranged backwards along the air inlet conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137264.0A CN110772896A (en) | 2019-11-19 | 2019-11-19 | Air filtering absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137264.0A CN110772896A (en) | 2019-11-19 | 2019-11-19 | Air filtering absorber |
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| Publication Number | Publication Date |
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| CN110772896A true CN110772896A (en) | 2020-02-11 |
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ID=69392052
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482008A (en) * | 2020-04-22 | 2020-08-04 | 杭州腾睿源人防工程有限公司 | Air filter for civil air defense |
| CN111701347A (en) * | 2020-06-26 | 2020-09-25 | 刘海涛 | Welding fume purification device |
| CN112169485A (en) * | 2020-09-27 | 2021-01-05 | 滁州天陆泓机械有限公司 | Automobile air filter and flexible connecting part |
| CN113499650A (en) * | 2021-07-30 | 2021-10-15 | 山西新华防化装备研究院有限公司 | Comprehensive purification filter for kitchen |
-
2019
- 2019-11-19 CN CN201911137264.0A patent/CN110772896A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482008A (en) * | 2020-04-22 | 2020-08-04 | 杭州腾睿源人防工程有限公司 | Air filter for civil air defense |
| CN111701347A (en) * | 2020-06-26 | 2020-09-25 | 刘海涛 | Welding fume purification device |
| CN112169485A (en) * | 2020-09-27 | 2021-01-05 | 滁州天陆泓机械有限公司 | Automobile air filter and flexible connecting part |
| CN113499650A (en) * | 2021-07-30 | 2021-10-15 | 山西新华防化装备研究院有限公司 | Comprehensive purification filter for kitchen |
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