CN210584409U

CN210584409U - Light-assisted chemical filtration adsorption device

Info

Publication number: CN210584409U
Application number: CN201921349102.9U
Authority: CN
Inventors: 吴飞; 胡君; 刘艳
Original assignee: Zhejiang Changheng Technology Co Ltd
Current assignee: Zhejiang Changheng Technology Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-22
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a light-assisted chemical filtration adsorption equipment, the power distribution box comprises a box body, the box left end is equipped with the air intake, the right-hand member is equipped with the air outlet, be equipped with pretreatment area, photocatalytic oxidation area, dry-type chemical filtration area, ultimate treatment area between air intake and the air outlet in proper order, pretreatment area has set gradually from left to right and has just imitated filter, well effect filter, first high efficiency filter, photocatalytic oxidation area has a plurality of layers of photocatalytic oxidation module from left to right interval respectively, each photocatalytic oxidation module has arranged cellular photocatalyst, ultraviolet tube from left to right interval respectively, dry-type chemical filtration area has a plurality of groups of dry-type chemical filtration material rooms from left to right interval; and the final treatment area is provided with a second high-efficiency filter. The device is little affected by the concentration, temperature and humidity of the waste gas, and has strong adaptability; high impact load resistance, suitability for treating high, medium and low concentration organic waste gas, simple and understandable operation and simple and convenient maintenance.

Description

Light-assisted chemical filtration adsorption device

Technical Field

The utility model belongs to the technical field of exhaust-gas treatment, in particular to light-assisted chemical filtration adsorption equipment.

Background

At present, waste gas treatment such as dust particles, organic waste gas, acid and alkali waste gas, VOCs and the like generated in the production process of industrial places is mainly carried out by methods such as activated carbon adsorption treatment, photocatalytic oxidation treatment and the like. Chinese patent No. 201720668342X discloses a photo-assisted activated carbon adsorption treatment device, which comprises a box body, an air inlet, an air outlet, an ultraviolet lamp, activated carbon with a catalyst, and the like. The disadvantages of such devices are: the device is only suitable for treating waste gas with medium and low concentration, and the impact load resistance is weaker; when the dust content in the waste gas is more, the gaps of the activated carbon are blocked, and the adsorption rate of the activated carbon is greatly reduced; the activated carbon has higher requirement on humidity and is greatly influenced by the humidity, and when the humidity of the waste gas is higher, the activated carbon is easily saturated; with the increase of pollutant adsorption amount, the removal rate of the activated carbon is continuously reduced, and the saturated activated carbon can release harmful components again in the treatment process to cause secondary pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a light-assisted chemical filtration adsorption equipment is provided, the device have impact-resistant load high, be applicable to high, well, low concentration organic waste gas and administer.

The utility model is realized in such a way, the utility model provides a light-assisted chemical filtration and adsorption device, which comprises a box body, wherein the left end of the box body is provided with an air inlet, the right end of the box body is provided with an air outlet, a pretreatment area, a photocatalytic oxidation area, a dry-type chemical filtration area and a final treatment area are sequentially arranged between the air inlet and the air outlet, the pretreatment area is sequentially provided with a primary filter, a middle filter and a first high efficiency filter from left to right, the photocatalytic oxidation area is respectively provided with a plurality of layers of photocatalytic oxidation modules at intervals from left to right, each photocatalytic oxidation module is respectively provided with cellular photocatalysts and ultraviolet tubes from left to right, the dry-type chemical filtration area is provided with a plurality of groups of dry-type chemical filtration chambers from left to right at intervals, the upper ends of the two dry-type chemical filter chambers are respectively provided with a feed inlet, the lower ends of the two dry-type chemical filter chambers are respectively provided with a discharge outlet, and the side walls of the two sides of each dry-type chemical filter chamber are provided with airflow channels; and the final treatment area is provided with a second high-efficiency filter.

Furthermore, the primary filter, the intermediate filter, the first high-efficiency filter and the second high-efficiency filter respectively comprise a stainless steel outer frame, metal filter screens and filter materials, the metal filter screens and the filter materials are arranged in the stainless steel outer frame, the metal filter screens are arranged on two sides, and the filter materials are clamped between the metal filter screens on the two sides; or the metal filter screen is a single surface, and the filter material is arranged on one side of the metal screen; the periphery sides of the primary filter, the intermediate filter and the first high-efficiency filter are connected with the inner wall of the box body through stainless steel outer frames.

Furthermore, the filter material in the primary filter is made into filter paper by blending non-woven cotton and fiber, and is of a paper frame folding structure.

Furthermore, the filter material of the medium-efficiency filter adopts glass fiber filter paper.

Furthermore, the filter materials of the first high-efficiency filter and the second high-efficiency filter are all superfine fiber filter paper.

Further, the fiber diameter of the ultrafine fiber filter paper is 0.5 to 0.8 μm.

Furthermore, the photocatalytic oxidation area comprises an upper layer and a lower layer, and a plurality of layers of photocatalytic oxidation modules are respectively distributed in the upper layer and the lower layer from left to right.

Furthermore, 3-4 layers of dry chemical filtering material chambers are arranged in the dry chemical filtering area.

Furthermore, the bottom of the box body is provided with supporting legs.

Furthermore, the air inlet and the air outlet are both connected with stainless steel flanges.

Compared with the prior art, the utility model discloses a light-assisted chemical filtration adsorption equipment, waste gas is unified to be collected and is carried to the air intake through collection system, through primary filter, the tertiary preliminary treatment of secondary filter and high efficiency filter, most steam and particulate matter can be effectual to be intercepted in the waste gas, waste gas after the preliminary treatment enters into the photocatalytic oxidation district, utilize nanometer wave band light to organic matter in the waste gas cutting, chain scission, burning, schizolysis waste gas molecular chain, change molecular structure, catalytic oxidation again, make the molecular neutron or the atom after the destruction combine with O3, make organic compound molecular chain in the waste gas, during the catalytic oxidation process, the waste gas is converted into low molecular compounds such as CO2 and H2O, the treated waste gas is adsorbed by a chemical filter material through an airflow channel and is subjected to chemical reaction with the chemical filter material to generate salts without secondary pollution and harmlessness, and the gas is treated by a terminal filter and then is discharged into the atmosphere through a discharge system; the device is little affected by the concentration, temperature and humidity of the waste gas, and has strong adaptability; the device has high impact load resistance, is suitable for treating high, medium and low concentration organic waste gas, is simple and understandable to operate, and is simple and convenient to maintain; the integral structure is designed integrally, the requirement on civil engineering is low, the occupied area is small, and the installation is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a photo-assisted chemical filtration and adsorption apparatus;

FIG. 2 is a schematic structural view of the case of FIG. 1;

FIG. 3 is a schematic structural diagram of the primary filter of FIG. 1;

FIG. 4 is a schematic structural diagram of the middle effect filter in FIG. 1;

FIG. 5 is a schematic structural diagram of the first high efficiency filter or the second high efficiency filter in FIG. 1;

fig. 6 is an installation schematic diagram of the photocatalytic oxidation modules arranged on the upper layer and the lower layer in the box body;

fig. 7 is a schematic structural diagram of the photocatalytic oxidation module in fig. 1.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 7, the preferred embodiment of the photo-assisted chemical filtration and adsorption apparatus of the present invention includes a box body 1, wherein the box body 1 is made of stainless steel 304, square and corrosion resistant; the left end of the box body 1 is provided with an air inlet 11, the right end is provided with an air outlet 12, a pretreatment area 13, a photocatalytic oxidation area 14, a dry chemical filtering area 15 and a final treatment area 16 are sequentially arranged between the air inlet 11 and the air outlet 12, the pretreatment area 13 is sequentially provided with a primary filter 3, a secondary filter 4 and a first high-efficiency filter 51 from left to right, the photocatalytic oxidation area 14 is respectively provided with a plurality of layers of photocatalytic oxidation modules 6 at intervals from left to right, each photocatalytic oxidation module 6 is respectively provided with cellular photocatalysts 61 and ultraviolet lamps 62 from left to right, the dry chemical filtering area 15 is provided with a plurality of groups of dry chemical filtering material chambers 7 at intervals from left to right, chemical filtering materials 8 are filled in each dry chemical filtering material chamber 7, the upper ends of the two dry-type chemical filter chambers are respectively provided with a feed inlet 9, the lower ends of the two dry-type chemical filter chambers are respectively provided with a discharge outlet 10, and the side walls of the two sides of the dry-type chemical filter chamber 7 are provided with airflow channels; the final treatment area 16 is provided with a second high-efficiency filter 52, and the main purpose of the second high-efficiency filter 52 is to consolidate the deodorization effect; the bottom of the box body 1 is provided with supporting legs 17; the air inlet 11 and the air outlet 13 are both connected with stainless steel flanges 18. The photocatalytic oxidation module 6 and the dry-type chemical filter chamber 7 are both in modular design, and the installation slots are arranged in the box body, so that the photocatalytic oxidation module 6 and the dry-type chemical filter chamber 7 can be directly inserted into the installation slots in the box body, and the installation and the maintenance are convenient;

the primary filter 3, the intermediate filter 4, the first high-efficiency filter 51 and the second high-efficiency filter 52 all comprise a stainless steel outer frame 1a, a metal filter screen 1b and a filter material 1c, the metal filter screen 1b and the filter material 1c are arranged in the stainless steel outer frame 1a, the metal filter screen 1b is provided with two surfaces, and the filter material 1c is clamped between the metal filter screens 1b on the two surfaces; or the metal filter screen 1b is a single surface, and the filter material 1c is arranged on one side of the metal filter screen; the periphery sides of the primary filter 3, the intermediate filter 4 and the first high-efficiency filter 51 are all connected with the inner wall of the box body 1 through a stainless steel outer frame 1 a. The stainless steel outer frame 1a can be detachably designed, so that the filter material can be conveniently replaced to achieve the purpose of recycling the frame. The chemical filter material is internally distributed with the dense and hemp reaction micropores, so that the gas reaction contact area can be effectively increased, the filter material can be fully reacted, the reaction thoroughness is ensured, and the complete usability of the filter material is also ensured.

The filter material 1c in the primary filter 3 is made of non-woven cotton and fiber by blending and is of a paper frame folding structure, which has the advantages of high dust holding capacity and low pressure loss; the filter paper of the foldable structure of paper frame, with greatly increased filter area, filter area is 5 times of plane filter screen generally, and primary filter 3 main function is the large granule dust of getting rid of in the waste gas, can prolong the life of secondary filter 4 and first high efficiency filter 51 simultaneously.

The filter material 1c of the medium-efficiency filter 4 is made of glass fiber filter paper, the resistance is low, the fluffy and gradually dense fiber structure ensures high dust gathering rate and large dust holding capacity, and the service life of the high-efficiency filter at the rear end of the high-efficiency filter is effectively prolonged.

The filter materials 1c of the first high-efficiency filter 51 and the second high-efficiency filter 52 both adopt superfine fiber filter paper; the superfine fiber filter paper has fiber diameter of 0.5-0.8 micron, and has the features of high filtering efficiency, low pressure loss, small size, capacity of being washed and reused.

The photocatalytic oxidation area comprises an upper layer 141 and a lower layer 142, and a plurality of layers of photocatalytic oxidation modules 6 which are parallel to each other are respectively distributed in the upper layer 141 and the lower layer 142 from left to right.

3-4 layers of dry chemical filter material chambers 7 are arranged in the dry chemical filtering area 15, each layer of dry chemical filter material chamber 7 can adopt a modular device and is convenient to install, a feed inlet and a discharge outlet are square, the feed inlet is positioned at the upper part of the dry chemical filter material chamber 7, and the discharge outlet is positioned at the lower part of the dry chemical filter material chamber 7; different dry chemical filter materials can be selected according to different waste gas components, so that the method has stronger pertinence and higher deodorization effect.

The dry-type chemical filter material is internally distributed with dense and hemp reaction micropores, so that the gas reaction contact area is effectively increased, the filter material can be fully reacted, the reaction thoroughness is ensured, and the complete usability of the filter material is also ensured.

The chemical filter material 8 is produced by Shanghai seismic industry electromechanical Co., Ltd, and is a filter material which combines the adsorptivity of activated carbon and the oxidability of alumina and chemically-impregnated activated carbon, so that the capability of continuously purifying odor, corrosivity and toxic pollutants in the environment is provided. Can meet the requirements of various environments according to different proportions of various filter materials. Aiming at alkaline gases such as ammonia gas and the like, a chemical filter material with active carbon and H3PO4 as main components is selected; aiming at acid gases such as H2S, SO2, Cl2, HCN, HCl and the like, selecting a chemical filter material mainly comprising activated carbon and KOH; aiming at corrosive gas, selecting a chemical filter material mainly comprising activated alumina and KMnO 4; aiming at various organic gases, a chemical filter material with active carbon as a main component is selected.

Through opening feed inlet 9, evenly slowly pour into dry-type chemical filter material room 7 with chemical filter material earlier, it is even to care to fill and level up during the material, should seal last feed inlet 9 immediately after filling and accomplish the material, avoids steam or other materials to get into the feed inlet.

By opening the discharge opening 10, the chemical filter material is slowly scraped out by a wooden tool or the like, and the discharge is completed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A photo-assisted chemical filtration and adsorption device comprises a box body (1), and is characterized in that the left end of the box body (1) is provided with an air inlet (11), the right end of the box body is provided with an air outlet (12), a pretreatment area (13), a photo-catalytic oxidation area (14), a dry-type chemical filtration area (15) and a final treatment area (16) are sequentially arranged between the air inlet (11) and the air outlet (12), the pretreatment area (13) is sequentially provided with a primary filter (3), a medium-efficiency filter (4) and a first high-efficiency filter (51) from left to right, the photo-catalytic oxidation area (14) is respectively provided with a plurality of layers of photo-catalytic oxidation modules (6) at intervals from left to right, each photo-catalytic oxidation module (6) is respectively provided with honeycomb-shaped photo-catalysts (61) and ultraviolet lamp tubes (62) from left to right, the dry-type chemical filtration area (15), chemical filter materials (8) are filled in each dry-type chemical filter material chamber (7), the upper ends of the dry-type chemical filter material chambers are respectively provided with a feed inlet (9), the lower ends of the dry-type chemical filter material chambers are respectively provided with a discharge outlet (10), and the side walls at the two sides of each dry-type chemical filter material chamber (7) are provided with airflow channels; the final treatment zone (16) is provided with a second high efficiency filter (52).

2. The photo-assisted chemical filtration and adsorption device of claim 1, wherein the primary filter (3), the intermediate filter (4), the first high efficiency filter (51) and the second high efficiency filter (52) each comprise a stainless steel outer frame 1a, a metal filter screen 1b and a filter material 1c, the metal filter screen 1b and the filter material 1c are arranged in the stainless steel outer frame 1a, the metal filter screens 1b are two-sided, and the filter material 1c is sandwiched between the two-sided metal filter screens 1 b; or the metal filter screen 1b is a single surface, and the filter material 1c is arranged on one side of the metal screen; the periphery sides of the primary filter (3), the intermediate filter (4) and the first high-efficiency filter (51) are connected with the inner wall of the box body (1) through a stainless steel outer frame 1 a.

3. The light-assisted chemical filtration and adsorption device of claim 2, wherein the filter material 1c in the primary filter (3) is made of non-woven cotton and fiber by blending and is in a paper frame folding structure.

4. The light-assisted chemical filtration and adsorption device of claim 2, wherein the filter material 1c of the intermediate-efficiency filter (4) is glass fiber filter paper.

5. The light-assisted chemical filtration and adsorption device of claim 2, wherein the filter material 1c of the first high-efficiency filter (51) and the second high-efficiency filter (52) is made of ultrafine fiber filter paper.

6. The light-assisted chemical filtration and adsorption apparatus according to claim 5, wherein the ultrafine fibrous filter paper has a fiber diameter of 0.4 μm to 0.8 μm.

7. The light-assisted chemical filtration and adsorption device of claim 1, wherein the photocatalytic oxidation region comprises an upper layer (141) and a lower layer (142), and a plurality of layers of photocatalytic oxidation modules (6) are respectively distributed in the upper layer (141) and the lower layer (142) from left to right.

8. The photo-assisted chemical filtration and adsorption device according to claim 1, wherein the dry chemical filtration area (15) is provided with 3-4 layers of dry chemical filtration material chambers (7).

9. The photo-assisted chemical filtration and adsorption device according to claim 1, wherein the bottom of the box body (1) is provided with a supporting leg (17).

10. The photo-assisted chemical filtration and adsorption device according to claim 1, wherein the air inlet (11) and the air outlet (12) are connected to stainless steel flanges (18).