CN213853880U

CN213853880U - High-efficiency combined filler biological filter

Info

Publication number: CN213853880U
Application number: CN202022028256.7U
Authority: CN
Inventors: 李萌; 李光宇; 李晓翠
Original assignee: Beijing Xinlin Water Technology Co ltd
Current assignee: Beijing Xinlin Water Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-08-03
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a high-efficient combined packing biological filter, including biological filter, three-layer packing layer, exhaust detection pipe, circulation spray system and aiutage. Malodorous gas enters the biological filter through the air pipe, sequentially passes through a volcanic packing layer, a volcanic and bark packing layer and a bamboo charcoal packing layer from bottom to top, the medicament enters a spraying pipeline through the action of a spray pump to moisten and spray the packing, and the gas is discharged by an exhaust funnel after being adsorbed and degraded by different types of packing. The utility model discloses pack according to the specific filler and different combinations and carry out the effect and compare, the biofilter after the combination of different fillers obviously promotes the foul treatment effect, and treatment effeciency is greater than the filler of single component far away, can high-efficiently promote the foul gas treatment effeciency in the unit volume.

Description

High-efficiency combined filler biological filter

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a high-efficiency biological filter with combined fillers.

Background

Along with the continuous worsening of the air pollution problem, people raise the environmental protection consciousness and the living environment requirement, and the waste gas disposal problem is particularly emphasized by the nation. The stink emitted in municipal sewage plants and industrial manufacturing areas in living residential areas not only affects daily life, but also affects health, and the stink problem needs to be treated urgently to improve living environment quality.

The biofilter applied in municipal sewage plants and other industrial manufacturing industries is a traditional treatment process, mainly uses single filler, the process is mature and stable, but the removal efficiency is limited to a certain extent, wherein the main limited factor comprises that the filler is excessively limited, therefore, different treatment equipment is required to be connected in series for improving the treatment efficiency, and the problems of large occupied area of a treatment system, high engineering investment and the like are caused. The utility model discloses a aim at promoting the efficiency of getting rid of biological filter, pack to different combinations and make up, provide a high-efficient combination filler biological filter.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a high-efficiency combined filler biofilter. In order to improve the waste gas treatment efficiency, different types of fillers are adopted, and the optimal filler height and filler type are reasonably arranged by detecting the exhaust funnel laid in each layer of filler.

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

a high-efficiency combined filler biofilter comprises an air inlet pipe of the biofilter, a glass fiber reinforced plastic grid plate supporting layer, supporting columns, a plastic screen, a volcanic packing layer, a volcanic and bark packing layer, a bamboo charcoal packing layer, an exhaust detection pipe, an exhaust funnel and a spraying pipeline. The volcanic packing layer is bottom packing in the biological filter, the volcanic and bark packing layer is laid on the volcanic packing layer, the bamboo charcoal packing layer is laid on the volcanic and bark packing layer, and the glass fiber reinforced plastic grid plate supporting layer is a supporting layer of all the upper packing. The top end of the biological filter is provided with a spray pipeline, the other end of the biological filter is connected with a spray water pump, nutrient solution in the circulating water tank is pumped into the spray pipeline through the spray water pump, and treated purified gas is discharged through the exhaust funnel.

Furthermore, an exhaust detection pipe is laid in the volcanic packing layer, the volcanic and bark packing layer and the bamboo charcoal packing layer and is led out of the biological filter.

Furthermore, the glass steel grating supporting layer is the supporting layer of all fillers, and thickness is 25mm, supports upper filler, lays the plastic screen cloth of aperture 3mm on it, and the specification is 3mm mesh structure, protects upper filler, prevents that the filler from dropping.

Further, the volcanic packing layer is made of volcanic with the grain diameter of 30-50mm, and the stacking height is 0.4 m.

Further, the volcanic rock and bark packing layer adopts a mixed packing of volcanic rock and bark, and the mixing ratio is 1: 1, the specification is 10-50mm, and the filling height is 0.4 m.

Furthermore, the bamboo charcoal filler layer is made of bamboo charcoal with the particle size of 10-50mm, and the stacking height is 0.4 m.

Furthermore, 3 PVC pipes with phi of 20mm are adopted as the exhaust detection pipes, special PVC glue is adopted for connection among the exhaust detection pipes, and a row of gas collection holes with phi of 3mm are symmetrically and obliquely formed in the bottoms of the PVC pipes.

Furthermore, the PVC connecting pipe reserved on the wall of the biological filter of the exhaust detection pipe is in loose joint connection, and the PVC connecting pipe corresponding to the external pipeline of the biological filter is also in loose joint connection.

Compared with the prior art, the utility model discloses an outstanding advantage does:

1. in the utility model, the specificity of ammonia gas and hydrogen sulfide gas can be removed by changing the type of the filler;

2. compared with the traditional biological method, the utility model mainly uses a plurality of fillers, has small floor area, stable treatment effect and high treatment efficiency;

3. the fixed gas concentration detectors are arranged on the exhaust detection pipes and the exhaust cylinders in the different combined packing layers, and the dynamic monitoring device can be used for detecting the concentration of the discharged waste gas according to the treatment effect of the malodorous gas by using the waste gas concentration detector, so that whether the interior of the packing needs to be updated or not is judged.

4. The arrangement of the filler in the vertical direction is more reasonable, volcanic rocks with larger void ratio are adopted at the bottom, so that the pressure loss is reduced, and meanwhile, the stable supporting effect can be provided due to the strength of the volcanic rocks; the volcanic rock and the bark are mixed, so that the hardening problem caused by single filler can be effectively avoided;

drawings

Fig. 1 is a schematic structural diagram of a high-efficiency combined filler biofilter.

In fig. 1: 1-a glass fiber reinforced plastic grid plate supporting layer, 2-a plastic screen, 3-a volcanic packing layer, 4-an exhaust detection pipe, 5-a volcanic and bark packing layer, 6-a bamboo charcoal packing layer, 7-an exhaust funnel, 8-an exhaust detection pipe, 9-a biological filter tank, 10-a spray pipeline, 11-a support column, 12-an air inlet pipe, 13-a spray water pump and 14-a circulating water tank.

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, in the embodiment of the present invention, a high-efficiency combined packing biofilter includes a biofilter air inlet pipe 12, a glass fiber reinforced plastic grid plate supporting layer 1, a supporting column 11, a plastic screen 2, a volcanic packing layer 3, a volcanic and bark packing layer 5, a bamboo charcoal packing layer 6, an exhaust gas detecting pipe 4, an exhaust funnel 7, a biofilter 9, a spray pipeline 10, a circulating water tank 14, and a spray water pump 13. Malodorous gas enters the biological filter 9 through the air inlet pipe 12, passes through a glass fiber reinforced plastic grid plate supporting layer 1 and a first volcanic packing layer 3 with the thickness of 25mm from bottom to top respectively, the volcanic and bark packing layer 5 and a bamboo charcoal packing layer 6, a spray pipeline 10 is arranged at the top end of the biological filter 9, spiral nozzles are uniformly distributed on the pipeline, the other end of the biological filter is connected with a spray water pump 13, nutrient solution in a circulating water tank 14 is pumped into the spray pipeline 10 through the pressure of the spray water pump 13, the nutrient solution is sprayed on the surface of the packing layer through the spiral nozzles, and the treated purified gas is discharged through the exhaust funnel 7.

The volcanic packing layer 3 is made of volcanic with the specification of 30-50mm, the stacking height is 0.4m, the volcanic packing has enough mechanical strength and better acid corrosion resistance, the chemical property is stable, the service life is long, the filtering resistance is small, the pressure loss of the biological filter 9 can be reduced, meanwhile, the specific surface area is large, a growth space can be provided for microorganisms, and the treatment efficiency of malodorous gas can be improved in unit time.

In the utility model, the volcanic rock and bark packing layer 5 are all 10-50mm in specification, the stacking height is 0.4m, the bark packing adopts pine bark, the pine bark belongs to organic matter packing and has higher nutrient content, which provides more convenient environment for the inhabitation of microorganism, can quickly form a biological membrane and has good effects on waste gas filtration, moisture interception and bearing of microorganism clan in the biological filter 9; the volcanic filler has the advantages of high mechanical strength and the like, and the two fillers adopt 1: 1, the uniform mixing can effectively avoid the hardening problem of single bark filler, and an exhaust detection pipe 4 is laid in the volcanic and bark filler layer 5.

The utility model discloses in, bamboo charcoal packing layer 6's specification is 10-50mm, it is 0.4m to pile up highly, the bamboo charcoal packing has loose porous structure, its molecule is fine and closely porous, the texture is hard, there is very strong adsorption efficiency, because the charcoal itself has countless hole, partly planktonic material in the charcoal gas pocket can the adsorption air effectively, play to the stench components such as sulphide, hydride, methyl alcohol adsorb, decompose peculiar smell and deodorization effect, lay exhaust detection pipe 4 in this bamboo charcoal packing layer 6.

The utility model discloses in, all set up exhaust detection tube 4 in the three-layer packing layer and on the aiutage, exhaust detection tube 4 adopts the PVC pipe of bottom trompil, and PVC pipe specification is phi 20mm, aperture phi 3mm, and the trompil form adopts the downward symmetry of hole to open to one side, and this way can guarantee that gas can effectively discharge and detect, through carrying out the analysis after detecting concentration to exhaust detection tube from bottom to top, the utility model discloses a treatment effeciency is the highest, all is higher than the filler of single component.

Finally, it is worth mentioning that: the above description is only the preferred embodiment of the present invention, but it is not limited to any other persons skilled in the art, and all the modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention can be included in the protection scope of the present invention.

Claims

1. A high-efficiency combined filler biofilter is characterized by comprising a biofilter air inlet pipe (12), a glass fiber reinforced plastic grid plate supporting layer (1), supporting columns (11), a plastic screen (2), a volcanic packing layer (3), a volcanic and bark packing layer (5), a bamboo charcoal packing layer (6), an exhaust detection pipe (4), an exhaust funnel (7), a spraying pipeline (10), a spraying water pump (13) and a circulating water tank (14); volcanic packing layer (3) is the bottom layer filler in biological filter (9), volcanic and bark packing layer (5) are laid on volcanic packing layer (3), bamboo charcoal packing layer (6) are laid on volcanic and bark packing layer (5), biological filter (9) top sets up spray pipe (10), the other end links to each other with spray pump (13), squeeze into spray pipe (10) through spray pump (13) with the nutrient solution in circulation tank (14), the purge gas after the processing is discharged through aiutage (7).

2. The biofilter with the high-efficiency combined packing according to claim 1, wherein the volcanic packing layer (3) adopts volcanic with the grain diameter of 30-50mm, and the stacking height is 0.4 m.

3. The biofilter with the high-efficiency combined packing according to claim 1, wherein the volcanic and bark packing layer (5) adopts volcanic and bark mixed packing with the specification of 10-50mm and the packing height of 0.4 m.

4. The biofilter with the high-efficiency combined fillers according to claim 1, wherein the bamboo charcoal filler layer (6) is made of bamboo charcoal with the particle size of 10-50mm, and the stacking height is 0.4 m.

5. The biofilter with the efficient combined packing according to claim 1, wherein an exhaust detection pipe (4) is laid in the volcanic packing layer (3), the volcanic and bark packing layer (5) and the bamboo charcoal packing layer (6) and led out of the biofilter (9).

6. The biofilter with the efficient combined packing according to claim 1, wherein 3 PVC pipes with phi 20mm are adopted as the exhaust detection pipes (4), the connection among the exhaust detection pipes (4) is adhered by special PVC, a row of gas collection holes with phi 3mm are symmetrically and obliquely formed at the bottom of the PVC pipes, and the PVC connection pipes reserved on the wall of the biofilter (9) are connected by loose joints.

7. A biofilter with highly effective combined fillers according to claim 1, characterized in that said fiberglass grating plate support layer (1) is a support layer of all fillers with a thickness of 25mm, and a plastic screen (2) with a pore size of 3mm is laid thereon, and the specification is a 3mm mesh structure.