CN212790487U

CN212790487U - Novel efficient stink-removing biological filter

Info

Publication number: CN212790487U
Application number: CN202021320947.8U
Authority: CN
Inventors: 李萌; 李棒; 鄞铃; 李晓翠
Original assignee: Beijing Xinlin Water Technology Co ltd
Current assignee: Beijing Xinlin Water Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-26
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a novel high-efficient deodorization biological filter, including the fan, biological filter and spray circulation system, carry the foul smell to biological filter gas distribution subassembly through fan negative pressure, carry out partial humidification to the foul smell after the pall ring layer changes the gas-liquid distribution condition from bottom to top in proper order again, pass through the three-layer bio-packing layer and get rid of the organic component in the foul smell again, reach the effect that reduces foul smell concentration, spray circulation system squeezes into the spray set on biological filter top through the spray pump with the liquid that is basicity in the buffer tank, can provide required humidity and nutrient for biological filler, improve biological deodorization efficiency. The system reduces the disadvantages of large occupied area, low treatment efficiency and the like of the traditional biological filter to a certain extent, and the special air distribution structure can greatly reduce the running cost of odor pretreatment and improve the subsequent deodorization efficiency.

Description

Novel efficient stink-removing biological filter

Technical Field

The utility model relates to a deodorizing device, in particular to a novel high-efficiency deodorizing biological filter.

Background

The rapid development of modern industry brings the increase to social economy, and has also caused serious threat to the environment, produces a large amount of foul gas in the production process, if the treatment in time will seriously influence people's living standard, the composition of foul gas is comparatively complicated, mainly includes hydrogen sulfide, ammonia, amine etc..

The traditional removal method mainly comprises a combustion method, an adsorption method, an absorption method, a condensation method, a membrane separation method, a biological method, a photocatalysis method and a low-temperature plasma method, wherein the biological method is widely applied to waste gas treatment by simple operation, low operation cost, no secondary pollution and good deodorization effect, the core of the biological filter is the selection of a filter material, the performance of the filter material determines the deodorization effect of the biological filter, and meanwhile, the collocation of the filter material also influences the deodorization efficiency. Therefore, we improve the above and provide a novel high-efficiency odor-removing biofilter.

Disclosure of Invention

In order to solve the defects existing in the prior art, the utility model provides a novel high-efficiency stink-removing biological filter.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a novel high-efficient stink-removing biological filter, which comprises a fan, a biological filter and a spray circulation system. The fan passes through the gas-supply pipe with the biological filter air inlet links to each other, the biological filter bottom sets up the gas distribution subassembly, upwards sets up the biological packing layer in proper order, the lateral wall respectively with the inner wall fixed connection of biological filter, the top set up spray set, with spray circulation system links to each other.

As an optimized technical proposal of the utility model, the gas distribution component comprises a gas pipe, a gas distribution pipe and a gas distribution head, and is arranged at the bottom of the pall ring layer.

As a preferred technical scheme of the utility model, the gas distribution pipe has a plurality of, and the equidistance is fixed to be set up in the both sides of gas-supply pipe and is linked together with the gas-supply pipe, the gas distribution head has a plurality of, and a plurality of gas distribution head equidistance setting is on the top of a plurality of gas distribution pipe respectively.

As a preferred technical scheme of the utility model, the biological filler layer is composed of three different layers of fillers, namely a bottom layer of 100-200mm ceramic particle layer, a middle layer of 100-200mm active zeolite layer and a top layer of 300-500mm active carbon layer.

As a preferred technical scheme of the utility model, spray set includes raceway, water distributor and water distribution head, the water distributor comprises a plurality of water distributor, and a plurality of water distributor equidistance setting is outside and be linked together with the raceway in raceway one end respectively, a plurality of water distribution head equidistance setting is in the bottom of a plurality of water distributor respectively.

As an optimal technical scheme of the utility model, spray circulation system includes buffer tank, pure water pump, pure water inlet tube, water pitcher inlet tube, spray water pump, buffer tank outlet pipe, sprays inlet tube, circulating water pump, buffer tank circulating pipe and biological filter outlet pipe.

As an optimal technical scheme of the utility model, the pure water pass through the pure water inlet tube with the pure water pump links to each other, the pure water pump export sets up the water pitcher inlet tube, with buffer tank one side top is connected.

As the utility model discloses a preferred technical scheme, the fixed one side that sets up at the biological filter of buffer tank, the biological filter below pass through the biological filter outlet pipe with circulating water pump links to each other, pass through the buffer tank circulating pipe again with buffer tank top one side links to each other, buffer tank homonymy below pass through the buffer tank outlet pipe with spray pump links to each other, again by spray the inlet tube with the spray set on biological filter top links to each other.

As an optimal technical scheme of the utility model, one side on biological filter top and buffer tank top one side all set up the relief valve.

As an optimal technical scheme of the utility model, the bottom of the biological filter and the bottom of the buffer tank are all provided with supporting legs which are evenly distributed, and the smooth drainage of a lower water outlet is ensured.

As an optimal technical scheme of the utility model, biological filter one side pall ring layer and biological seasoning layer set up the observation window, make things convenient for the filler to change and overhaul.

As an optimized technical proposal of the utility model, the materials of the biological filter and the buffer tank are glass fiber reinforced plastics.

The utility model has the advantages that:

1. this kind of novel high-efficient foul smell biofilter that removes, the foul smell gets into from the gas distribution subassembly of biofilter lower part and adds the wet chamber, can effectively change the gas-liquid distribution through the pall ring layer that is equipped with, and the internal surface of make full use of ring can realize the humidification of foul smell and the absorption of a part foul smell effectively, provides good basic condition for follow-up biological filter material's absorption and degradation.

2. The novel efficient stink-removing biofilter has the advantages that the ceramsite has excellent performances including low density and high porosity through the arranged biological filler layer, and has certain strength and firmness, larger grain diameter is favorable for playing a certain supporting role, it replaces a supporting layer, the characteristics of porous structure, high catalytic activity and thermal stability of the zeolite are favorable for realizing the full contact between the waste gas and the biological membrane, meanwhile, zeolite has certain capacity of adsorbing ammonia nitrogen, pollutants can be effectively adsorbed, the activated carbon filler has an ultra-large specific surface area, high mechanical strength and strong adsorbability and belongs to a renewable material, the activated carbon filler is the best choice as the uppermost layer of the biological filter, waste gas which cannot be timely treated by the lower-layer filler can be effectively adsorbed, the three types of fillers are sequentially arranged from bottom to top according to a certain proportion, and the optimization of odor treatment of the biological filter can be realized.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a novel high-efficiency odor-removing biofilter of the present invention.

FIG. 2 is a schematic view of the structure of the air distribution assembly of the novel high-efficiency odor-removing biofilter of the utility model.

FIG. 3 is a schematic structural view of a novel spraying device of a high-efficiency odor-removing biofilter.

In the figure: 1-a fan, 2-an air inlet pipe, 3-an air distribution component, 301-an air delivery pipe, 302-an air distribution pipe, 303-an air distribution head, 4-a pall ring layer, 5-a biological filter, 6-a biological filler layer, 601-a ceramsite layer, 602-an active zeolite layer, 603-an active carbon layer, 7-an observation window, 8-a spray device, 801-a water delivery pipe, 802-a water distribution pipe, 803-a water distribution head, 9-an air outlet, 10-a spray water inlet, 11-a safety valve, 12-a spray water inlet pipe, 13-a buffer tank, 14-a water tank water inlet pipe, 15-a pure water inlet pipe, 16-a pure water pump, 17-a buffer tank water outlet, 18-a buffer tank water outlet pipe, 19-a spray water pump and 20-a buffer tank circulating pipe, 21-a circulating water pump, 22-supporting legs, 23-a biological filter water outlet pipe and 24-a spraying circulating system.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1 and 2, in the embodiment of the novel efficient odor-removing biofilter of the present invention, the novel efficient odor-removing biofilter comprises a fan 1, a biofilter 5 and a spray circulation system 24, wherein the fan 1 is connected with an air inlet of the biofilter 5 through an air inlet pipe 2, an air distribution assembly 3 is arranged at the bottom end of the biofilter 5, and comprises an air pipe 301, an air distribution pipe 302 and an air distribution head 303, wherein one side of the air pipe 301 is fixed with the interior of the biofilter 5, and the other end passes through the biofilter 5 and is connected with the fan 1; the plurality of gas distribution pipes 302 are fixedly arranged on two sides of the gas transmission pipe 301 at equal intervals and communicated with the gas transmission pipe 301, and the plurality of gas distribution heads 303 are respectively arranged on the top ends of the plurality of gas distribution pipes 302 at equal intervals; an pall ring layer 4 is arranged above the gas distribution component 3, three biological packing layers 6 are arranged on the pall ring layer, a ceramsite layer 601 with the thickness of 100 and 200mm, an active zeolite layer 602 with the thickness of 100 and 200mm and an active carbon layer 603 with the thickness of 300 and 500mm are sequentially arranged on the pall ring layer 4 and the biological packing layer 6, observation windows 7 are arranged on the outer sides of the pall ring layer 4 and the biological packing layer 6, so that the maintenance and the packing replacement of equipment are convenient, and a spraying device 8 is arranged at the top end of the biological filter 5 and is connected with the.

Referring to fig. 1, the spray circulation system 24 includes a buffer tank 13, a pure water pump 16, a spray water pump 19, a circulation water pump 21 and a water pipe, wherein the pure water is connected to the pure water pump 16 through a pure water inlet pipe 15, and a water tank inlet pipe 14 is arranged at an outlet of the pure water pump 16 and connected to a top end of one side of the buffer tank 13; the buffer tank 13 is fixedly arranged on one side of the biological filter 5, the lower part of the biological filter 5 is connected with the circulating water pump 21 through the biological filter water outlet pipe 23, and is connected with one side of the top end of the buffer tank 13 through the buffer tank circulating pipe 20, the lower part of the same side of the buffer tank 13 is connected with the spraying water pump 19 through the buffer tank water outlet pipe 18, and is connected with the spraying device 8 on the top end of the biological filter 5 through the spraying water inlet pipe 12.

Referring to fig. 1 and fig. 3, the spraying device 8 includes a water pipe 801, water distribution pipes 802 and water distribution heads 803, wherein a plurality of the water distribution pipes 802 are respectively and equidistantly disposed outside one end of the water pipe 801 and are communicated with the water pipe 801, a plurality of the water distribution heads 803 are respectively and equidistantly disposed at the bottom ends of the plurality of the water distribution pipes 802, and the liquid in the buffer tank 13 is sprayed by the spraying device 8.

The utility model discloses a theory of operation is:

odor enters an air inlet pipe 2 under the action of negative pressure of a fan 1, under the action of an air distribution assembly 3 at the bottom end of a biological filter 5, the odor is diffused through an air conveying pipe 301 and an air distribution pipe 302 branch pipe connected with the air conveying pipe 301, and then is dispersed through a plurality of air distribution heads 303 arranged on the air distribution pipe 302, the humidified gas is subjected to certain deodorization through a pall ring layer 302, the pall ring can effectively change the gas-liquid distribution, the inner surface of the ring is fully utilized, the humidification of the odor and the absorption of a part of the odor can be effectively realized, good basic conditions are provided for the absorption and the degradation of subsequent biological filter materials, the gas treated by the pall ring layer 302 is treated by a biological filler layer 5, wherein a ceramic particle layer 601 has excellent performance, comprises low density and high porosity, has certain strength and firmness, and larger particle size is favorable for playing a certain supporting role and replaces a supporting layer, the porous structure that zeolite layer 602 has, high catalytic activity and thermal stability's characteristics are favorable to realizing fully contacting of waste gas and biomembrane, and zeolite has certain ability of adsorbing ammonia nitrogen simultaneously, can effectual adsorption pollutants, and activated carbon layer 603 has super large specific surface area, mechanical strength height, stronger adsorptivity and belongs to renewable material, is the optimum choice as the superiors of this biological packing layer 6, can effectual adsorption lower floor's filler fail in time the waste gas of handling.

The top end of the biological filter 5 is provided with a spraying device 8 which is connected with a spraying circulating system 24 on the other side, and the circulating system pumps pure water into a pure water pump 16 through a pure water inlet pipe 15 and introduces the pure water into a buffer tank 13 through a water tank inlet pipe 14; the water in the buffer tank 13 is alkaline, enters the spraying device 8 through the spraying water pump 19 and the spraying water inlet pipe 12, enters the water distribution pipe 802 of the spraying device 8 through the water delivery pipe 801, disperses the spraying liquid into liquid drops through the water distribution head 803 and sprays the liquid drops on the biological filler layer 6, the buffer solution can absorb certain odor, and the buffer solution can provide certain alkalinity for the growth of microorganisms, thereby being beneficial to the growth of the microorganisms; after the buffer solution is brushed on the biological filler layer 6 and the pall ring layer 4 again, the buffer solution flows to the bottom of the biological filter 5 through gravity, then flows back to the buffer tank 13 through the outlet pipe 23 of the biological filter under the action of the circulating water pump 21 to complete the circulation of the buffer solution, and when the liquid in the buffer tank 13 is neutralized and reacts to be neutral, the liquid in the tank is discharged through the outlet pipe 18 of the buffer tank; supporting legs 22 are arranged below the biological filter 5 and the buffer tank 13 to ensure smooth water drainage, and safety valves 11 are arranged above the biological filter 5 and the buffer tank 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel high-efficient foul removing biofilter, its characterized in that, includes fan (1), biofilter (5) and spray circulation system (24), and fan (1) links to each other with biofilter (5) air inlet through air-supply line (2), and biofilter (5) bottom sets up gas distribution subassembly (3), and the top sets up pall ring layer (4) and three-layer bio-packing layer (6), and the top sets up spray set (8), with spray circulation system (24) link to each other.

2. The novel high-efficiency odor-removing biofilter according to claim 1, wherein the air distribution assembly (3) comprises an air pipe (301), an air distribution pipe (302) and an air distribution head (303), wherein one side of the air pipe (301) is fixed with the interior of the biofilter (5), and the other end of the air pipe passes through the biofilter (5) and is connected with the fan (1); the plurality of air distribution pipes (302) are fixedly arranged on two sides of the air conveying pipe (301) at equal intervals and communicated with the air conveying pipe (301), and the plurality of air distribution heads (303) are respectively arranged on the top ends of the plurality of air distribution pipes (302) at equal intervals.

3. The biofilter according to claim 1, wherein the bio-filler layer (6) comprises a ceramic layer (601) with a thickness of 100-.

4. The novel high-efficiency odor-removing biofilter according to claim 1, wherein the spray circulation system (24) comprises a buffer tank (13), a pure water pump (16), a spray water pump (19), a circulating water pump (21) and a matched water pipe, wherein pure water is connected with the pure water pump (16) through a pure water inlet pipe (15), a water tank inlet pipe (14) is arranged at the outlet of the pure water pump (16) and is connected with the top end of one side of the buffer tank (13); buffer tank (13) are fixed and are set up in one side of biological filter (5), biological filter (5) below through biological filter outlet pipe (23) with circulating water pump (21) link to each other, pass through buffer tank circulating pipe (20) again with buffer tank (13) top one side links to each other, buffer tank (13) homonymy below through buffer tank outlet pipe (18) with spray water pump (19) link to each other, again by spray inlet tube (12) with spray set (8) on biological filter (5) top link to each other.

5. The novel high-efficiency odor removing biofilter according to claim 1, wherein the spraying device (8) comprises a water pipe (801), water distribution pipes (802) and water distribution heads (803), wherein a plurality of the water distribution pipes (802) are respectively arranged outside one end of the water pipe (801) at equal intervals and communicated with the water pipe (801), a plurality of the water distribution heads (803) are respectively arranged at the bottom ends of a plurality of the water distribution pipes (802) at equal intervals, and the liquid in the buffer tank (13) is pressurized and sprayed by the spraying device (8).

6. The novel high-efficiency odor removing biofilter according to claim 1, wherein safety valves (11) are arranged on one side of the top end of the biofilter (5) and one side of the top end of the buffer tank (13), the supporting legs (22) which are uniformly distributed are arranged on the bottom end of the biofilter (5) and the bottom end of the buffer tank (13), a water outlet (17) is arranged below the buffer tank (13), and a water outlet is arranged below the biofilter (5) and is connected with a biofilter water outlet pipe (23).