CN205340565U - Waste gas processing system - Google Patents

Abstract

The utility model discloses an exhaust gas treatment system, which comprises an exhaust gas processor, an exhaust device and a treatment pool. One end of the exhaust gas processor is connected with an exhaust main pipe, and the exhaust main pipe is connected with an exhaust branch pipe. A number of exhaust outlets are provided on the gas branch pipe, and the other end of the waste gas processor is connected to the exhaust device, and the exhaust device is connected to the lower side wall of the treatment tank through the gas transmission pipe, and the gas flow direction in the treatment tank is sequentially There are a primary packing room, a secondary packing room and a tertiary packing room. The upper part of the side wall of the primary packing room communicates with the lower part of the side wall of the secondary packing room through a connecting pipe, and the other side of the secondary packing room The upper part of the wall communicates with the lower part of the side wall of the third-stage packing chamber through a connecting pipe, and an air outlet pipe is provided at the top of the third-stage packing chamber. The exhaust gas treatment system has low treatment cost, wide application range, good treatment effect, no secondary pollution, and has broad market prospects.

Description

A waste gas treatment system

technical field

The utility model relates to waste gas treatment equipment, in particular to a waste gas treatment system.

Background technique

As we all know, PM2.5 (fine particulate matter) and smog weather have increasingly serious impacts on people's lives and health, and volatile organic compounds are one of the main factors that make the concentration of PM2.5 abnormal. In industrial production, most products or raw materials use organic compounds, and volatile organic compounds have large emissions, high concentrations, and high toxicity. Currently, they are used in various occasions where organic solvents are used, such as painting, printing, metal degreasing and degreasing, and bonding. Chemicals, pharmaceuticals, plastics, rubber, petroleum and other processing and production sites, volatile organic compounds are polluting waste gas and causing harm to people's health. Therefore, a waste gas treatment system with low treatment cost, wide application range, good treatment effect and no secondary pollution is needed.

Utility model content

In order to solve the above technical problems, the utility model provides a waste gas treatment system with high efficiency, low cost and wide adaptability.

The utility model adopts the following technical solutions: a waste gas treatment system, including a waste gas processor, an exhaust device and a treatment pool, one end of the waste gas processor is connected to an exhaust main pipe, and the exhaust main pipe is connected to an exhaust branch pipe, The exhaust branch pipe is provided with a number of exhaust outlets, the other end of the waste gas processor is connected to the exhaust device, and the exhaust device is connected to the lower side wall of the treatment pool through the air pipe, and the gas flow in the treatment pool is The flow direction is provided with a first-level packing room, a second-level packing room and a third-level packing room in sequence. The top of one side wall communicates with the bottom of the side wall of the third-stage packing chamber through a connecting pipe, and an air outlet pipe is provided at the top of the third-stage packing chamber.

Further, the primary packing chamber, the secondary packing chamber and the tertiary packing chamber are all equipped with a packing layer with microorganisms attached, the top of the packing layer is provided with a spray port, and a grid is provided under the packing layer, and the grid Below the grid is the culture solution, which is transported to the spray port by the circulation pump through the circulation pipe.

Further, the microorganisms are one or two of lactic acid bacteria, bacillus, yeast, sulfur bacteria, nitrifying bacteria and molds cultivated and domesticated according to the properties of the organic waste gas.

Further, a demister is provided in the outlet pipe.

Further, the filler layer is filled with organic porous fillers and/or inorganic porous fillers capable of supporting microorganisms, and the organic porous fillers are one of polyurethane foam, plastic porous microspheres, plastic rings and plastic honeycomb fillers or several, the inorganic porous filler is at least one of porous ceramsite, Raschig rings or activated carbon.

Further, the filler of the filler layer is a mixture of bioactive ceramsite and oyster shell.

Further, the exhaust gas processor includes activated carbon.

The utility model has the advantages that: the gaps between the fillers in the filler layer are large, which is beneficial to the growth and metabolism of microorganisms, the formation of microbial membranes, and can ensure the efficient treatment of waste gas in the biological purification device. After the waste gas treatment system is treated in the primary, secondary, and tertiary packing chambers, the exhaust gas can completely meet the emission standard, with low treatment cost, wide application range, good treatment effect, and no secondary pollution. It has broad market prospects.

Description of drawings

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

In the figure, 1. Exhaust gas processor, 2. Exhaust device, 3. Treatment tank, 30. Circulation pump, 31. Circulation pipe, 32. Spray outlet, 33. Connecting pipe, 34. Tertiary packing chamber, 35. Secondary packing chamber, 36, primary packing chamber, 37, culture solution, 38, packing layer, 4, exhaust main pipe, 5, exhaust branch pipe, 6, exhaust port, 7, air outlet pipe, 8, mist eliminator , 9, air pipe, 10, grille.

detailed description

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the utility model is not limited thereto.

As shown in Figure 1, an exhaust gas treatment system includes an exhaust gas processor 1, an exhaust device 2, and a treatment pool 3. In the treatment pool 3, a primary packing chamber 35, a secondary packing chamber 35, and a third packing chamber are sequentially arranged along the direction of gas flow. One end of the waste gas processor 1 is connected to the exhaust main pipe 4, the exhaust main pipe 4 is connected to the exhaust branch pipe 5, and the exhaust branch pipe 5 is provided with several exhaust ports 6, and the other end of the exhaust gas processor 1 is connected to the The exhaust device 2 is connected, and the exhaust device 2 is connected with the lower side of the right side wall of the primary packing chamber 36 through the gas delivery pipe 9, and the upper part of the left side wall of the primary packing chamber 36 is connected with the lower right side wall of the secondary packing chamber 35 through the connecting pipe 33 Connected, the upper left side wall of the secondary packing chamber 35 communicates with the lower right side wall of the tertiary packing chamber 34 through the connecting pipe 33, and the top of the tertiary packing chamber 34 is provided with an air outlet pipe 7. After the treatment of the primary, secondary, and tertiary packing chambers, the exhaust gas can reach the emission standard.

Specifically, the primary packing chamber 36, the secondary packing chamber 35, and the tertiary packing chamber 34 are all provided with a packing layer 38 that adheres to microorganisms, and the packing layer is filled with organic porous fillers and/or inorganic porous fillers capable of supporting microorganisms. The organic porous filler is preferably one or more of polyurethane foam, plastic porous microspheres, plastic rings and plastic honeycomb fillers, and the inorganic porous filler is preferably at least one of porous ceramsite, Raschig rings or activated carbon. The gaps between the above fillers are large, which is beneficial to the growth and metabolism of microorganisms, and the formation of microbial film can ensure the efficient treatment of waste gas in the biological purification device. The filler can also preferably be a mixture of bioactive ceramsite and oyster shell. Bioactive ceramsite and oyster shells have a large specific surface area and good microbial film-hanging properties, which are suitable for the growth of a large number of microorganisms on them.

The top of the filler layer is provided with a spray port 32, so that the waste gas can fully contact with the liquid film formed on the filler, and the treatment efficiency of the waste gas is improved; a grid 10 is arranged under the filler layer 38, and a culture solution 37 is placed below the grid 10, and the grid It is convenient to filter the large-volume impurities contained in the liquid flowing through the packing layer 38, and prevent the contamination of the culture liquid 37. The culture liquid 37 is transported to the spray port 32 by the circulation pump 30 through the circulation pipe 31 to provide the microorganisms attached to the packing layer. A good growth environment improves the treatment effect. Among them, according to the nature of the organic waste gas, the microorganisms can be domesticated with organic matter in advance, preferably through low-concentration nitrogen oxide-containing waste gas domestication. The microorganisms can be one or more of lactic acid bacteria, bacillus, yeast, sulfur bacteria, nitrifying bacteria and molds Two types, different microorganisms can be attached to the packing in different packing chambers, and the waste gas containing many harmful substances can be thoroughly treated.

Further, a mist eliminator 8 is arranged in the air outlet pipe 7 . The liquid droplets mixed with waste gas treatment can be separated to ensure the efficiency of gas flow; in addition, the liquid droplets with dissolved pollutants can be isolated to prevent them from being discharged from the gas outlet pipe 7 .

Further, the waste gas processor includes activated carbon, which can first filter and adsorb impurities such as large particles of dust in the organic waste gas.

Claims (7)

1. A waste gas treatment system, characterized in that it comprises a waste gas processor, an exhaust device and a treatment tank, one end of the waste gas processor is connected with an exhaust main pipe, and the exhaust main pipe is connected with an exhaust branch pipe, the A number of exhaust outlets are provided on the exhaust branch pipe, and the other end of the waste gas processor is connected to the exhaust device, and the exhaust device is connected to the lower side wall of the treatment tank through the air pipe, and the gas flow direction in the treatment tank is A primary packing room, a secondary packing room and a tertiary packing room are provided in sequence, the upper side wall of the primary packing room is connected with the lower side wall of the secondary packing room through a connecting pipe, and the other side of the secondary packing room The upper part of the side wall communicates with the lower part of the side wall of the tertiary packing chamber through a connecting pipe, and the top of the tertiary packing chamber is provided with an air outlet pipe. 2. A waste gas treatment system according to claim 1, characterized in that, the primary packing chamber, the secondary packing chamber and the tertiary packing chamber are all equipped with a packing layer with microorganisms attached, and the top of the packing layer is provided with There is a spray port, and a grid is arranged under the packing layer, and below the grid is a culture solution, which is transported to the spray port by a circulation pump through a circulation pipe. 3. A waste gas treatment system according to claim 2, wherein the microorganism is one of lactic acid bacteria, bacillus, yeast, sulfur bacteria, nitrifying bacteria and molds cultivated and domesticated according to the properties of organic waste gas or two. 4. An exhaust gas treatment system according to claim 1, characterized in that a demister is provided in the outlet pipe. 5. A waste gas treatment system according to claim 1, wherein the filler layer is filled with organic porous fillers and/or inorganic porous fillers capable of supporting microorganisms, and the organic porous fillers are polyurethane foam, One or more of plastic porous microspheres, plastic rings and plastic honeycomb fillers, the inorganic porous filler being at least one of porous ceramsite, Raschig rings or activated carbon. 6 . The exhaust gas treatment system according to claim 1 , wherein the filler of the filler layer is a mixture of bioactive ceramsite and oyster shell. 7. An exhaust gas treatment system according to claim 1, wherein the exhaust gas processor includes activated carbon.