CN203244916U - Biological deodorization device for sewage treatment plant - Google Patents

Abstract

The utility model relates to a biological deodorization device used in a sewage treatment plant, which belongs to the technical field of deodorization. Including the filter tank body, an odor treatment area and an odor entry area are set up and down in the filter pool body, an air inlet pipeline is arranged on the left side wall of the filter body in the odor entry area, and the filter of the odor entry area There is a drainage port on the right side wall of the pool body, and several nozzles are installed in the filter pool body on the top of the odor treatment area. The nozzles are installed on the reclaimed water pipeline, and one end of the reclaimed water pipeline passes through the left side wall of the filter tank body , An odor biological treatment mechanism is arranged under the nozzle, and an exhaust pipe is arranged on the top of the filter body corresponding to the odor treatment area. The utility model has the advantages of simple structure, small footprint, low cost, and can effectively deodorize the malodorous gas; the utility model does not need to add any chemicals during the use process, and only needs a small amount of electricity to maintain the operation of the equipment, and the cost is low , is an ideal deodorization device for sewage treatment plants.

Description

Biological deodorization device for sewage treatment plant

technical field

The utility model relates to a biological deodorization device used in a sewage treatment plant, which belongs to the technical field of deodorization.

Background technique

Malodorous gas refers to all gaseous substances that stimulate the olfactory organs, cause people's unpleasantness and damage the living environment. There are many malodorous gas components, but they are generally divided into three categories: sulfur-containing compounds (hydrogen sulfide, methyl mercaptan, methyl sulfide), nitrogen-containing compounds (ammonia, trimethylamine) and organic compounds composed of carbon, hydrogen, and oxygen. Compounds (lower alcohols, aldehydes, fatty acids, etc.). The pre-treatment part of the sewage plant (grid well, lifting pump room sump and grit chamber) and the anaerobic section in the biological reaction tank and the sludge treatment part (sludge storage tank, dehydration, etc.) are the focus of deodorization. The deodorizing methods currently used mainly include combustion method, activated carbon adsorption method, spray method and chemical washing method. However, these methods have problems such as high investment cost, large floor area, high operating cost, unstable treatment effect, and easy to produce secondary pollution to varying degrees.

Utility model content

According to the deficiencies in the prior art above, the technical problem to be solved by the utility model is: to provide a biological deodorization device for sewage treatment plants, which has a simple structure, a small footprint, low cost, and can effectively deodorize sewage The treatment plant conducts deodorization treatment.

The biological deodorization device used in sewage treatment plants described in the utility model includes a filter tank body, and an odor treatment area and an odor entry area are arranged above and below the filter pool body, and it is characterized in that: in the area where the odor enters The left side wall of the filter tank body is provided with an air inlet pipeline, the right side wall of the filter tank body in the area where the odor enters is provided with a drain outlet, and several nozzles are arranged in the filter pool body at the top of the odor treatment area. The nozzle is installed on the reclaimed water pipeline, and one end of the reclaimed water pipeline passes through the left side wall of the filter tank body. An odor biological treatment mechanism is installed under the nozzle, and an exhaust pipe is arranged on the top of the filter tank body corresponding to the odor treatment area.

In the utility model, the odor biological treatment mechanism preferably includes a biological filter material and a filter material support orifice plate with holes, the filter material support orifice plate is arranged on the filter material support frame, and the filter material support frame is installed on the bottom of the filter tank body , the biological filter material is arranged on the filter material support orifice plate.

Wherein, the filter material support orifice plate is further connected with the filter material support frame through the filter material support grid.

In order to observe the pressure difference between the odor entry area and the odor treatment area conveniently, a differential pressure gauge is installed outside the filter tank, one end of the differential pressure gauge communicates with the odor entry area, and the other end communicates with the odor treatment area.

For the convenience of use and to improve the integrity of the utility model, a filter, a delivery pump and a float flowmeter are sequentially installed on the reclaimed water pipeline passing through the left side wall of the filter tank body from left to right.

As above, a centrifugal fan is installed on the air inlet pipeline.

As above, the demister is installed on the exhaust pipe, and the upper part of the demister is provided with an exhaust port.

It is further preferred that an insulation layer is provided on the inner wall of the filter tank body.

Generally speaking, the microorganisms used in biological filter materials are within the suitable growth range, and the growth rate of microorganisms will decrease or increase by 1 to 2 times for every 10°C decrease or increase in temperature, and the removal efficiency of odorous substances will also increase accordingly. In order to ensure a good treatment effect, the filter body of the device is insulated to ensure that the heat of the filter bed and microorganisms does not dissipate and ensure the good growth of microorganisms.

The biological filter material described in the utility model is carbon filter material, volcanic rock, ceramsite or stone rice.

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

The utility model has the advantages of simple structure, small footprint and low cost, and can effectively deodorize malodorous gas; in the process of odor treatment, the biological filter material does not directly participate in the reaction, so it is basically unnecessary during use. Replacement; the utility model does not need to add any chemicals during use, and only needs a small amount of electricity to maintain the operation of the equipment. The cost is low, and it is an ideal deodorization device for sewage treatment plants.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. Exhaust port 2. Demister 3. Exhaust pipe 4. Biological filter material 5. Nozzle 6. Insulation layer 7. Filter tank body 8. Rotameter 9. Delivery pump 10. Filter 11 , Reclaimed water pipeline 12, Air inlet pipeline 13, Centrifugal fan 14, Filter material support orifice plate 15, Filter material support grid 16, Filter material support frame 17, Pressure difference gauge 18, Drain outlet.

Detailed ways

The utility model is further described by specific examples below, but it is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection of the utility model. within range.

As shown in Figure 1, the biological deodorization device used in sewage treatment plants includes a filter tank body 7, an insulation layer 6 is arranged on the inner wall of the filter tank body 7, and odor gas is arranged up and down in the filter tank body 7. The treatment area and the odor entering area are provided with an air inlet line 12 on the left side wall of the filter pool body 7 in the area where the odor enters, and a centrifugal fan 13 is installed on the air inlet line 12, and the filter pool body in the area where the odor enters 7 There is a drain port 18 on the right side wall, and several nozzles 5 are arranged in the filter tank body 7 at the top of the odor treatment area. The nozzles 5 are installed on the reclaimed water pipeline 11, and one end of the reclaimed water pipeline 11 passes out of the filter tank On the left side wall of the tank body 7, a filter 10, a delivery pump 9 and a float flowmeter 8 are installed in sequence from left to right on the reclaimed water pipeline 11 passing through the left side wall of the filter tank body 7, and a smelly water flowmeter is arranged below the nozzle 5. Gas biological treatment mechanism, corresponding to the odor treatment area, an exhaust pipe 3 is arranged on the top of the filter tank body 7, and a demister 2 is installed on the exhaust pipe 3, and an exhaust port 1 is arranged on the upper part of the demister 2, and the filter tank A differential pressure gauge 17 is installed on the outside of the pool body 7, one end of the differential pressure gauge 17 communicates with the odor entering area, and the other end communicates with the odor treatment area.

In this embodiment, the odor biological treatment mechanism includes a biological filter material 4 and a filter material support orifice plate 14 with holes, the biological filter material 4 is arranged on the filter material support orifice plate 14, and the filter material support orifice plate 14 passes through the filter material. The material support grid 15 is connected with the filter material support frame 16, and the filter material support frame 16 is installed on the bottom of the filter tank body 7, and the filter material support orifice plate 14 is made by punching 316 stainless steel plates; the biological filter material 4 can be Carbon filter material, volcanic rock, ceramsite or stone rice; the filter tank body 7 adopts a modular design, made of square pipes, angle steel, and steel plates, connected by bolts on site, and internally adopts glass fiber reinforced plastics for anticorrosion.

During application, the peripheral components of the above-mentioned filter tank body 7 can be adjusted up and down, left and right, and front and back according to the actual needs of the site.

During use, the filter tank body 7 above the filter material support orifice plate 14, the biological filter material 4, the nozzle 5 and the filter material support orifice plate 14 constitutes an odor treatment area; the filter tank below the filter material support orifice plate 14 Body 7 and air inlet pipeline 12 have constituted an odor entering area. Odor gas enters from the air inlet pipeline 12 through the centrifugal fan 13, and enters the biological filter material 4 through the filter material support grid 15 and the filter material support orifice plate 14 with holes in turn, and starts the delivery pump 9 to supply water to the nozzle 5, which is the biological filter material. 4 Provide an environment for absorption and decomposition, and finally the standard gas is dehydrated by the demister 2 and then discharged from the exhaust port 1. In application, the water source connected to the reclaimed water pipeline 11 is the reclaimed water of the sewage plant, which contains a large amount of nutrients needed for the growth of microorganisms, and the waste water is discharged to the sewage plant for treatment.

Claims (9)

1. biological deodorizing device that is used for sewage treatment plant, comprise pond, filter tank body (7), setting up and down in pond, filter tank body (7) have foul smell processing region and foul smell to enter the zone, it is characterized in that: pond, filter tank body (7) left side wall that enters the zone at foul smell is provided with intake air line (12), foul smell enters on regional pond, filter tank body (7) right side wall and is provided with discharge outlet (18), in the pond, filter tank at foul smell processing region top body (7), be provided with several shower nozzles (5), shower nozzle (5) is installed on the middle water line (11), middle water line (11) one ends pass pond, filter tank body (7) left side wall, be provided with the bad smell biological processing mechanism in shower nozzle (5) below, corresponding foul smell processing region is provided with discharge duct (3) at pond, filter tank body (7) top.

2. the biological deodorizing device for sewage treatment plant according to claim 1, it is characterized in that: described bad smell biological processing mechanism comprises that biofilter material (4) and filtrate with holes support orifice plate (14), filtrate supports orifice plate (14) and is arranged on the filtrate bracing frame (16), filtrate bracing frame (16) is installed on pond, filter tank body (7) inner bottom part, and biofilter material (4) is arranged on filtrate and supports on the orifice plate (14).

3. the biological deodorizing device for sewage treatment plant according to claim 2 is characterized in that: described filtrate supports orifice plate (14) and is connected with filtrate bracing frame (16) by filtrate supportive grid (15).

4. the biological deodorizing device for sewage treatment plant according to claim 1, it is characterized in that: pond, described filter tank body (7) outside is equipped with differential pressure indicator (17), differential pressure indicator (17) one ends and foul smell enter regional connectivity, and the other end is communicated with the foul smell processing region.

5. the biological deodorizing device for sewage treatment plant according to claim 1 is characterized in that: on the described middle water line (11) that passes pond, filter tank body (7) left side wall filter (10), delivery pump (9) and suspended body flowmeter (8) are installed successively from left to right.

6. the biological deodorizing device for sewage treatment plant according to claim 1 is characterized in that: centrifugal blower (13) is installed on the described intake air line (12).

7. the biological deodorizing device for sewage treatment plant according to claim 1, it is characterized in that: demister (2) is installed on the described discharge duct (3), and demister (2) top is provided with exhaust outlet (1).

8. the biological deodorizing device for sewage treatment plant according to claim 1 is characterized in that: be provided with heat-insulation layer (6) on pond, described filter tank body (7) madial wall.

9. the biological deodorizing device for sewage treatment plant according to claim 2 is characterized in that: described biofilter material (4) is carbonaceous filtrate, volcanic rock, haydite or chicken girt.

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