Biochemical pool waste gas collection and treatment device

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a biochemical pool waste gas collecting and treating device which comprises a main body, the top of the main body is fixedly connected with a waste gas pretreatment component, and the side surface of the main body is provided with a biological attachment gas filtering component; according to the utility model, the gas collecting hood adopts a negative pressure type design, so that waste gas generated by the biochemical pool can be effectively collected, the waste gas is conveyed to a follow-up treatment system through the waste gas conveying pipeline, and the waste gas is firstly cooled by the condenser, so that water vapor in the waste gas is condensed into liquid water; the temperature and humidity of the waste gas are reduced, fog drops in the waste gas are removed through the demister, the influence of the fog drops on subsequent treatment equipment is prevented, the tank body is filled with the volcanic biological filler, and when the waste gas is in contact with the volcanic biological filler, microorganisms on the volcanic biological filler degrade and absorb harmful gas in the waste gas, so that the harmful gas in the waste gas is degraded and absorbed; the waste gas treatment device is simple in structure, high in treatment efficiency and capable of effectively removing harmful gas in waste gas of the biochemical pool.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, specifically a waste gas collection and treatment device for a biochemical pool. Background Technology

[0002] During the wastewater treatment process, the biological treatment tank will generate a large amount of waste gas, which contains harmful gases such as hydrogen sulfide, ammonia, and volatile organic compounds. If not treated, it will pollute the environment and have an adverse impact on the lives of surrounding residents.

[0003] Currently, most methods for treating waste gas from biological treatment ponds involve biofilters. Biofilters typically require a large area, especially when treating large-scale waste gas, which is a significant limitation for areas with limited land resources. The filter media in biofilters needs to be replaced regularly to ensure treatment effectiveness. Replacing the media not only increases operating costs but may also lead to equipment downtime, affecting treatment efficiency. The operating performance of biofilters is affected by various factors, such as temperature, humidity, and airflow rate. Changes in these factors can lead to unstable treatment efficiency, making precise control difficult. Biofilters are also ineffective at treating hydrophobic and recalcitrant substances, as these substances may not be effectively decomposed by microorganisms, thus affecting the overall treatment effect. Therefore, a waste gas collection and treatment device for biological treatment ponds is needed to address these issues. Utility Model Content

[0004] Currently, most methods for treating waste gas from biological treatment ponds rely on biofilters. Biofilters typically require a large area, especially when treating large-scale waste gas, which is a significant limitation for areas with limited land resources. The filter media in biofilters needs regular replacement to maintain treatment effectiveness. This replacement not only increases operating costs but can also lead to equipment downtime, affecting treatment efficiency. The operational performance of biofilters is influenced by various factors, such as temperature, humidity, and airflow rate. Changes in these factors can cause unstable treatment efficiency, making precise control difficult. Biofilters are also ineffective at treating hydrophobic and recalcitrant substances, as these substances may not be effectively decomposed by microorganisms, thus affecting overall treatment efficiency. The purpose of this invention is to provide a waste gas collection and treatment device for biological treatment ponds to address the problems mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A biological waste gas collection and treatment device includes a main body, a waste gas pretreatment component fixedly connected to the top of the main body, and a biological attachment filter component provided on the side of the main body.

[0007] The main body includes a pool body, and a gas collection hood is provided on the top of the pool body. An exhaust gas conveying pipe is provided inside the gas collection hood.

[0008] The exhaust gas pretreatment assembly includes a mounting plate, a condenser is mounted on the top of the mounting plate, a connecting pipe is fixedly connected to the side of the condenser, and a demister is fixedly connected to the side of the connecting pipe.

[0009] The bio-attached gas filtration assembly includes a tank, the interior of which is filled with volcanic rock bio-filler.

[0010] As a preferred embodiment of this utility model, the gas collection hood is made of fiberglass, the waste gas conveying pipe extends into the interior of the pool, and a top frame is fixedly connected to the top of the gas collection hood.

[0011] As a preferred embodiment of this utility model, the waste gas conveying pipeline is made of stainless steel, and the inner lining of the waste gas conveying pipeline is coated with an anti-corrosion coating.

[0012] As a preferred embodiment of this utility model, an input pipe is fixedly connected to the top of the condenser, and the input pipe is connected to the exhaust gas conveying pipeline.

[0013] As a preferred embodiment of this utility model, an extension tube is fixedly connected to the side of the demister, and the extension tube extends into the interior of the tank.

[0014] As a preferred embodiment of this utility model, a drain pipe is fixedly connected to the bottom of the tank, and an activated carbon adsorption plate is installed on the top of the drain pipe.

[0015] As a preferred embodiment of this utility model, a support rod is fixedly connected to the bottom of the tank, and two support rods are provided.

[0016] As a preferred embodiment of this utility model, a pad is fixedly connected to the bottom of the support rod, and two pads are provided.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. In this utility model, the negative pressure design of the gas collection hood can effectively collect the waste gas generated by the biological treatment tank, and transport the waste gas to the subsequent treatment system through the waste gas conveying pipeline. The waste gas first passes through the condenser for cooling treatment, so that the water vapor in the waste gas condenses into liquid water, reducing the temperature and humidity of the waste gas. Then, the demister removes the mist droplets in the waste gas to prevent the mist droplets from affecting the subsequent treatment equipment. The tank is filled with volcanic rock biological packing material. When the waste gas comes into contact with the volcanic rock biological packing material, the microorganisms on the volcanic rock biological packing material degrade and absorb the harmful gases in the waste gas.

[0019] 2. In this utility model, the gas collection hood is made of fiberglass, which has good corrosion resistance and strength. The size of the gas collection hood is designed according to the size of the biological treatment tank to ensure that it can completely cover the surface of the biological treatment tank. The waste gas conveying pipeline is made of stainless steel with an anti-corrosion coating to prevent the waste gas from corroding the pipeline. This waste gas treatment device has a simple structure, small footprint, is easy to install and maintain, has high treatment efficiency, can effectively remove harmful gases from the waste gas in the biological treatment tank, and the tail gas emission meets environmental protection requirements. It has good environmental performance, and the entire treatment process has no secondary pollution and is environmentally friendly. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the gas collection component structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the waste gas pretreatment component of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the bio-attached air filtration component of this utility model.

[0024] In the diagram: 1. Main body; 101. Tank body; 102. Gas collection hood; 103. Top frame; 104. Waste gas conveying pipeline; 2. Waste gas pretreatment assembly; 201. Mounting plate; 202. Condenser; 203. Input pipe; 204. Connecting pipe; 205. Demister; 206. Extension pipe; 3. Bio-attached filtration assembly; 301. Tank body; 302. Drainage pipe; 303. Activated carbon adsorption plate; 304. Support rod; 305. Pad plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] For examples, please refer to Figures 1-4 This utility model provides a technical solution:

[0027] A biological waste gas collection and treatment device includes a main body 1, a waste gas pretreatment component 2 fixedly connected to the top of the main body 1, and a biological attachment filter component 3 provided on the side of the main body 1.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the main body 1 includes a pool body 101, with a gas collection hood 102 installed on the top of the pool body 101. An exhaust gas conveying pipe 104 is installed inside the gas collection hood 102. The exhaust gas pretreatment component 2 includes a mounting plate 201, with a condenser 202 installed on the top of the mounting plate 201. A connecting pipe 204 is fixedly connected to the side of the condenser 202, and a demister 205 is fixedly connected to the side of the connecting pipe 204. The bio-attached filtration component 3 includes a tank body 301, filled with volcanic rock biological packing material. The gas is conveyed through the gas collection hood 102 using a negative pressure method. The design effectively collects the waste gas generated in the biological treatment tank and transports it to the subsequent treatment system through the waste gas conveying pipe 104. The waste gas first passes through the condenser 202 for cooling, causing the water vapor in the waste gas to condense into liquid water, reducing the temperature and humidity of the waste gas. Then, it passes through the demister 205 to remove the mist droplets in the waste gas, preventing the mist droplets from affecting the subsequent treatment equipment. The tank 301 is filled with volcanic rock biological packing material. When the waste gas comes into contact with the volcanic rock biological packing material, the microorganisms on the volcanic rock biological packing material degrade and absorb the harmful gases in the waste gas.

[0029] The gas collection hood 102 is made of fiberglass. The exhaust gas conveying pipe 104 extends into the interior of the tank 101. A top frame 103 is fixedly connected to the top of the gas collection hood 102. The exhaust gas conveying pipe 104 is made of stainless steel and its inner lining is coated with an anti-corrosion coating. An inlet pipe 203 is fixedly connected to the top of the condenser 202, and the inlet pipe 203 communicates with the exhaust gas conveying pipe 104. An extension pipe 206 is fixedly connected to the side of the demister 205, and the extension pipe 206 extends into the interior of the tank 301, passing through the gas collection hood. 102 is made of fiberglass, which has good corrosion resistance and strength. The size of the gas collection hood 102 is designed according to the size of the biological treatment tank to ensure that it can completely cover the surface of the biological treatment tank. The exhaust gas conveying pipe 104 is made of stainless steel with an anti-corrosion coating to prevent exhaust gas from corroding the pipe. This exhaust gas treatment device has a simple structure, small footprint, is easy to install and maintain, and has high treatment efficiency. It can effectively remove harmful gases from the exhaust gas in the biological treatment tank. The exhaust gas emission meets environmental protection requirements, has good environmental performance, and the entire treatment process has no secondary pollution, making it environmentally friendly.

[0030] In this embodiment, as Figure 1 and Figure 4 As shown, a drain pipe 302 is fixedly connected to the bottom of the tank 301, an activated carbon adsorption plate 303 is installed on the top of the drain pipe 302, a support rod 304 is fixedly connected to the bottom of the tank 301, two support rods 304 are provided, and a pad 305 is fixedly connected to the bottom of the support rod 304, two pads 305 are provided. The activated carbon adsorption plate 303 has a strong adsorption capacity and can effectively adsorb residual harmful gases in the exhaust gas.

[0031] The working process of this utility model is as follows: When the waste gas collection and treatment device for the biological treatment tank designed in this scheme is in operation, the gas collection hood 102 adopts a negative pressure design, which can effectively collect the waste gas generated by the biological treatment tank. The waste gas is then transported to the input pipe 203 through the waste gas conveying pipe 104, and then to the condenser 202 through the input pipe 203. The waste gas is cooled by the condenser 202, which condenses the water vapor in the waste gas into liquid water, reducing the temperature and humidity of the waste gas. Then, the demister 205 removes the mist droplets in the waste gas to prevent the mist droplets from affecting the subsequent treatment equipment. After treatment, the waste gas flows through the extension pipe 206 into the tank 301. The tank 301 is filled with biological packing material. The waste gas comes into contact with the volcanic rock biological packing material in the tank 301. The microorganisms on the volcanic rock biological packing material degrade and absorb the harmful gases in the waste gas. Finally, the waste gas is discharged after being filtered by the activated carbon adsorption plate 303 at the bottom of the tank 301.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A biological treatment pond waste gas collection and treatment device, comprising a main body (1), characterized in that: The top of the main body (1) is fixedly connected to a waste gas pretreatment component (2), and the side of the main body (1) is provided with a bio-attached gas filtration component (3). The main body (1) includes a pool body (101), and a gas collection hood (102) is provided on the top of the pool body (101). An exhaust gas conveying pipe (104) is provided inside the gas collection hood (102). The exhaust gas pretreatment component (2) includes a mounting plate (201), a condenser (202) is mounted on the top of the mounting plate (201), a connecting pipe (204) is fixedly connected to the side of the condenser (202), and a demister (205) is fixedly connected to the side of the connecting pipe (204). The bio-attached air filter assembly (3) includes a tank (301) filled with volcanic rock bio-filler.

2. The biological waste gas collection and treatment device according to claim 1, characterized in that: The gas collection hood (102) is made of fiberglass, the waste gas conveying pipe (104) extends into the interior of the pool body (101), and a top frame (103) is fixedly connected to the top of the gas collection hood (102).

3. The biological waste gas collection and treatment device according to claim 1, characterized in that: The waste gas conveying pipe (104) is made of stainless steel and the inner lining of the waste gas conveying pipe (104) is coated with an anti-corrosion coating.

4. The biological waste gas collection and treatment device according to claim 1, characterized in that: The top of the condenser (202) is fixedly connected to an input pipe (203), which is connected to the exhaust gas conveying pipe (104).

5. The biological waste gas collection and treatment device according to claim 1, characterized in that: An extension tube (206) is fixedly connected to the side of the demister (205), and the extension tube (206) extends into the interior of the tank (301).

6. The biological waste gas collection and treatment device according to claim 1, characterized in that: The bottom of the tank (301) is fixedly connected to a drain pipe (302), and an activated carbon adsorption plate (303) is installed on the top of the drain pipe (302).

7. The biological waste gas collection and treatment device according to claim 1, characterized in that: The bottom of the tank (301) is fixedly connected to a support rod (304), and there are two support rods (304).

8. The biological waste gas collection and treatment device according to claim 7, characterized in that: The bottom of the support rod (304) is fixedly connected to a pad (305), and there are two pads (305).

Images