CN212039792U

CN212039792U - Integrated filtering device

Info

Publication number: CN212039792U
Application number: CN202020313822.6U
Authority: CN
Inventors: 窦春玲; 滑惠定; 蒋毅臣; 吴盛祺; 杨俊松; 王腾浩; 张金华
Original assignee: Shanghai Masteck Environment Co ltd
Current assignee: Shanghai mestec environment (Group) Co.,Ltd.
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-01
Anticipated expiration: 2030-03-13

Abstract

The utility model provides an integrated filtering device, which comprises a box body, wherein the box body comprises a first filtering part and a second filtering part, the first filtering part is provided with an air inlet, the second filtering part is provided with an air outlet, and the air outlet of the first filtering part is communicated with the air inlet of the second filtering part; the first filtering part comprises a spraying device and a biological filtering bed arranged below the spraying device; the second filtration section includes a chemical filter bed. The utility model discloses combine biofilter and chemical filter, waste gas carries out biological treatment to the foul smell at first through gas distribution system and biofiltration bed, and spraying system intermittent type sprays the suitable humidity of guaranteeing biological growth, carries out physical chemistry processing such as oxidation, absorption through the chemical filtration bed again, and the gas after handling is discharged by terminal gas vent, and foul smell treatment efficiency reaches more than 99%.

Description

Integrated filtering device

Technical Field

The utility model relates to an exhaust-gas treatment field specifically relates to an integral type filter equipment.

Background

With the proposal of GB14554-2016 emission Standard for malodorous pollutants (draft of comments), and the implementation of DB31/1025 2016 emission Standard for malodorous (odor) pollutants and DB31/982 2016 emission Standard for atmospheric pollutants for municipal wastewater treatment plants, emission standards related to malodorous pollutants are continuously updated and perfected. The maximum allowable emission rate limit for malodorous pollutants is specified in GB14554-2016 emission standards for malodorous pollutants (prosecution) and DB31/1025 and 2016 emission standards for malodorous pollutants. For treating large-air-volume malodorous gas in a municipal sewage treatment plant, the emission rate can be lower than the maximum allowable emission rate only by reaching lower emission concentration, and the existing treatment methods (chemical washing, biological filtration, biological trickling filtration, activated carbon adsorption and the like) for the malodorous pollutants in the municipal industry can not meet the requirements of the latest standard by single or combined treatment.

The invention of application No. 201811261899.7 discloses an exhaust gas treatment device, including: the box the lower extreme of box is provided with the waste gas air intake be provided with the cotton layer of ozone filtration in the box of waste gas air intake upper end be provided with dust filter equipment in the box of the cotton layer upper end of ozone filtration, dust filter equipment's structure includes: the dust removal device comprises a box body, and is characterized in that a cross beam is arranged on the box body, an annular upright post is arranged on the inner wall of the box body at the lower end of the cross beam, a plurality of dust removal cloth bags are uniformly arranged on the cross beam in the annular upright post, an ash bucket is arranged in the box body at the lower end of each dust removal cloth bag, a dust exhaust port is arranged at the lower end of the ash bucket extending into an ozone filter cotton layer, a dust exhaust valve is arranged at the lower end of the dust exhaust port extending out of the box body, a conical air deflector is arranged at the lower end of the annular upright post, and. The above patent is complicated in structure.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing an integral type filter equipment.

According to the utility model provides an integrated filtering device, which comprises a box body, wherein the box body comprises a first filtering part and a second filtering part, the first filtering part is provided with an air inlet, the second filtering part is provided with an air outlet, and the air outlet of the first filtering part is communicated with the air inlet of the second filtering part;

the first filtering part comprises a spraying device and a biological filtering bed arranged below the spraying device;

the second filtration section includes a chemical filter bed.

Preferably, the biological filter bed comprises a biological filter bed body and biological filler arranged in the biological filter bed body.

Preferably, the biological filler comprises an organic or inorganic filler suitable for the growth of microorganisms.

Preferably, the biological filter bed main body is made of glass fiber reinforced polyester resin.

Preferably, the spraying device comprises a plurality of spray heads connected with the water pipeline and used for intermittent spraying.

Preferably, the chemical filter bed comprises a chemical filter bed main body and a chemical filter material arranged on the chemical filter bed main body.

Preferably, the chemical filter material comprises activated carbon containing an activated alumina or phosphoric acid component of a potassium permanganate component.

Preferably, the chemical filter bed body is a V-shaped filter bed, and the opening of the filter bed faces upwards.

Preferably, the chemical filter bed body is made of glass fiber reinforced polyester resin.

Preferably, the chemical filter bed main body is provided with a plurality of chemical filter bed main bodies which are arranged at intervals.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model has reasonable structure, ingenious design and high filtering efficiency;

2. the utility model is provided with two filtering parts to realize high-efficiency filtering;

3. the chemical filter bed of the utility model is arranged behind the biological filter bed, and a primary filter is not needed, so that the system pressure loss is small, and the energy consumption is low;

4. the utility model discloses a to the shape setting of chemical filter bed, increased area of contact, promoted the filter effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of the present invention.

The figures show that:

a box body 1;

an air inlet 2;

an exhaust port 3;

a gas distribution system 4;

a biological filtration bed 5;

a spraying system 6;

chemical filtering bed 7

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in FIG. 1, according to the utility model provides an integral type filter equipment, including box 1, set up air inlet 2 on box 1 top and set up gas vent 3 in box 1 bottom, set up the gas distribution system 4 in box 1 bottom, set up the biological filter bed 5 on gas distribution system 4 upper portion, set up the spraying system 6 on biological filter bed 5 upper portion and set up at the terminal chemical filter bed 7 of box 1.

The gas distribution system 4 is arranged at the bottom of the box body 1, the top of the gas distribution system 2 is provided with a biological filter bed 5, and the gas distribution system 4 uniformly distributes and transmits the polluted gas into the biological filter bed 5 through the bottom of the biological filter bed 5 to carry out filtering work. An air inlet 2 is arranged at the top of the box body 1, polluted gas enters the box body 1 from the air inlet 2 through a pipeline, and enters a chemical filter bed 7 at the rear end after being treated by a biological filter bed 5. The chemical filter bed 7 performs physical and chemical treatments such as oxidation and adsorption on pollutants through chemical filter materials, and exhausts the pollutants into the atmosphere through the exhaust port 3 at the tail end.

The biological filter bed 4 adopts the biological filler layer as a filter material, is suitable for both continuous operation and intermittent operation, and microorganisms can grow by depending on organic matters in the filler without adding a nutrient, so that the biological filter bed is quick to use and start after shutdown, can immediately achieve good treatment effect after shutdown or shutdown to next week, can achieve the best treatment effect after hours, stops running for 3 to 4 weeks, immediately achieves good treatment effect after restart, and recovers the best treatment effect within a few days;

the biological filter bed 4 adopts biological filler which has larger comparative area, high porosity and lower bulk density and is suitable for the growth of microorganisms, has excellent treatment performance, good permeability and structural stability, can be operated under the conditions of normal temperature and normal pressure, is safe to operate, has the service life prolonged by 5-7 days compared with the traditional filler, is not affected by regional climate so as to dry and over-wet the filler, can completely control the humidity and temperature of the biological filler, ensures the growth of the microorganisms, and ensures the delivery effect;

in the box body 1, the chemical filter bed 7 is arranged behind the biological filter bed 5, a primary filter is not needed, the pressure loss of the system is small, and the energy consumption is low.

The filtering layer of the chemical filtering bed 7 adopts activated alumina with potassium permanganate component for removing acidic pollutant components such as hydrogen sulfide and methyl mercaptan in the odor, and in another embodiment, the filtering layer of the chemical filtering bed 7 adopts activated carbon with phosphoric acid component for removing alkaline pollutant components such as ammonia in the odor. The chemical filter bed 7 can adopt different filter layers according to different pollution components, and has strong pertinence, high removal efficiency and high filter layer utilization rate.

The chemical filter bed 7 adopts a V-shaped filter bed, so that the contact area of the filter material and the odor is increased, and the removal efficiency of pollutants is improved.

The utility model discloses earlier through gas distribution system, biological filtration bed and spraying system's biological treatment, physical, the chemical treatment through the chemical filtration bed again, reach the purpose of getting rid of the polluted component in the foul gas comprehensively.

The utility model discloses jointly use biology, physics, chemical treatment technique, waste gas carries out biological treatment to the foul smell through gas distribution system and biofiltration bed, and spraying system intermittent type sprays the suitable humidity of guaranteeing biological growth, carries out physicochemical treatments such as oxidation, absorption through the chemical filtration bed again, and the gas after handling is discharged by terminal gas vent, and foul smell treatment efficiency reaches more than 99%.

The biological filter bed biological filler layer is used as a filter substance, and pollutants can be decomposed into CO₂And H₂O, no secondary pollution, large odor buffering capacity, automatic concentration peak regulation to make the microbe always work normally, and strong impact load resistanceThe deodorization efficiency is high;

the chemical filter bed is arranged behind the biological filter bed, a primary filter is not needed, the system pressure loss is small, and the energy consumption is low.

The chemical filter bed is positioned at the tail end of the filter, the biological filter section of the first stage can remove a part of pollution components, the pollution load of the chemical filter section is reduced, the service life of the chemical filter section is prolonged, the replacement frequency of a filter material of the chemical filter section is reduced, and the chemical filter bed is economical and reasonable and has stronger usability.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. An integrated filtering device is characterized by comprising a box body, wherein the box body comprises a first filtering part and a second filtering part, the first filtering part is provided with an air inlet, the second filtering part is provided with an air outlet, and the air outlet of the first filtering part is communicated with the air inlet of the second filtering part;

the second filtration section includes a chemical filter bed.

2. The integrated filtration device of claim 1, wherein the biofiltration bed comprises a biofiltration bed body and a biofilm carrier disposed on the biofiltration bed body.

3. The unitary filter device of claim 2, wherein the biological filler comprises an organic or inorganic filler suitable for microbial growth.

4. The integrated filtration device of claim 2, wherein the biofiltration bed body is made of glass fiber reinforced polyester resin.

5. The integrated filtration device of claim 1, wherein the spray device comprises a plurality of spray heads connected to a water line for intermittent spraying.

6. The integrated filter apparatus of claim 1, wherein the chemical filter bed comprises a chemical filter bed body and a chemical filter material disposed in the chemical filter bed body.

7. The integrated filtration device of claim 6, wherein the chemical filter material comprises activated carbon containing an activated alumina or phosphoric acid component of a potassium permanganate component.

8. The integrated filtration device of claim 6, wherein the chemical filter bed body is a V-shaped filter bed with the openings of the filter bed facing upward.

9. The integrated filtration device of claim 6, wherein the chemical filter bed body is made of fiberglass reinforced polyester resin.

10. The integrated filter device according to claim 6, wherein the chemical filter bed body is provided in plurality, and the plurality of chemical filter bed bodies are arranged at intervals.