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High-concentration volatile organic matter waste gas treatment device

A waste gas treatment device and technology of volatile organic compounds, applied in gas treatment, air quality improvement, membrane technology, etc., can solve the problems of high cost, high concentration of volatile organic waste gas utilization, etc., to improve absorption efficiency, reduce operation and maintenance costs, The effect of reducing the difficulty of maintenance

Inactive Publication Date: 2017-12-08
成都圻坊生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem in the prior art that the cost is high and the biological treatment technology cannot be used to volatilize organic waste gas at high concentrations, the present invention provides a new structure design that can effectively increase the contact area between organic waste gas and filler and form multiple devices in series. A waste gas treatment device that uses biological treatment technology to treat high-concentration volatile organic waste gas

Method used

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  • High-concentration volatile organic matter waste gas treatment device
  • High-concentration volatile organic matter waste gas treatment device

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Experimental program
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Effect test

Embodiment 1

[0023] A high-concentration volatile organic waste gas treatment device in this embodiment, such as figure 1 As shown, it includes a plurality of biological treatment tanks connected in series, and the biological treatment tank includes a tank body 1 and an automatic rotating spray device arranged in the tank body 1, the bottom of the tank body 1 is provided with an air inlet pipe 2, and the tank body 1 The top outer wall is provided with an exhaust pipe 3 communicating with the inside of the tank body 1, and the air inlet pipe 2 of the latter biological treatment tank is connected with the exhaust pipe 3 of the previous biological treatment tank in series order, and the automatic rotary spraying device It includes a vertically arranged cylindrical packing frame 4 and a motor 5 arranged on the top of the tank body 1. The cylindrical packing frame 4 is sealed and connected with a top cover near the opening of the top side of the tank body 1, and the top cover is provided with T...

Embodiment 2

[0028]This embodiment is further defined on the basis of the above-mentioned embodiments. A pretreatment tank 9 with a sealed structure is also provided between the bottom of each tank body 1 and the air intake pipe 2. The pretreatment tank 9 contains organic Absorbent, the top of the pretreatment tank 9 is provided with an exhaust fan 10, and the air outlet end of the exhaust fan 10 penetrates the tank body 1 and enters the center of the platform 7. The organic adsorbent in the pretreatment tank 9 is an organic solvent capable of absorbing volatile organic compounds in the water-insoluble waste gas. Part of the volatile organic compounds in the exhaust gas can be absorbed by the pretreatment tank 9, thereby further improving the exhaust gas treatment effect of the entire device. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

Embodiment 3

[0030] This embodiment is further defined on the basis of the above embodiments, an aeration pipe 12211 is placed horizontally on the inner bottom of the pretreatment tank 9 , and one end of the aeration pipe 12211 is connected to the air intake pipe 2 . The aeration pipe 12211 can increase the contact area between the exhaust gas entering the pretreatment tank 9 and the organic absorbent, and the specific surface area can be increased by changing the exhaust gas into the form of small bubbles. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

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Abstract

The invention discloses a high-concentration volatile organic matter waste gas treatment device. The device comprises a plurality of biological treating tanks which are connected in series, wherein each biological treating tank comprises a tank body and an automatic rotary spraying device arranged in the tank body; a gas feeding pipe is arranged at the bottom part of the tank body; a gas exhausting pipe communicated with the inner part of the tank body is arranged on the outer wall of the top of the tank body; according to the in-series sequence, the gas feeding pipe of the latter biological treating tank is connected with the gas exhausting pipe of the former biological treating tank; the automatic rotary spraying device comprises a drum-shaped filler frame vertically arranged and a motor arranged at the top part of the tank body; the motor drives the drum-shaped filler frame to rotate around the axis; and nutritional liquid is sprayed onto the drum-shaped filler frame by a spraying pipe vertically arranged on the inner wall of the tank body so as to provide nutrients for microbial membranes hung on the drum-shaped filler frame. According to the device disclosed by the invention, through a novel structure design, the contact area of organic waste gas and fillers is effectively enlarged; and a multi-stage waste gas treating structure formed by in-series connection of the plurality of devices, so that the treating efficiency is improved.

Description

technical field [0001] The invention relates to the field of waste gas treatment equipment, in particular to a high-concentration volatile organic compound waste gas treatment device. Background technique [0002] Volatile organic compounds are a class of compounds with a boiling point between 50°C and 250°C and a saturated vapor pressure of more than 133.32Pa at room temperature, which exists in the air in the form of vapor at room temperature. When the VOC concentration in the room exceeds a certain concentration, people will feel headache, nausea, vomiting, limb weakness in a short period of time, and in severe cases, they will convulse, coma, and memory loss. VOCs harm the human liver, kidneys, brain and nervous system. The main impact of volatile organic compounds on human health is to irritate the eyes and respiratory tract, cause skin allergies, cause headaches, sore throat and fatigue, and contain many carcinogens. At present, the commonly used organic waste gas co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/84B01D53/44B01D53/75
CPCB01D53/44B01D53/75B01D53/84B01D2251/95B01D2257/708Y02A50/20
Inventor 张欢
Owner 成都圻坊生物科技有限公司