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A kind of vocs extraction device in water

A technology of extraction device and atomization tube, which is applied in the field of VOCs extraction device in water, can solve problems such as the increase of atmospheric VOCs concentration, achieve the effects of reducing surface vapor pressure, high separation efficiency, and increasing contact area

Inactive Publication Date: 2017-05-10
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, they are very easy to volatilize from the environmental water into the air, resulting in an increase in the concentration of atmospheric VOCs.

Method used

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  • A kind of vocs extraction device in water
  • A kind of vocs extraction device in water
  • A kind of vocs extraction device in water

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 , figure 2 As shown, the present invention provides a VOCs extraction device in water, which includes an atomizing tube 1, a cylindrical shell 2, an atomizing sheet 3, an inclined pipeline 4, an upper branch pipe 5, a condensation pipe 6, an inner pipe 7, and a lower branch pipe 8 , side branch pipe 9 and refrigerator.

[0017] The atomizing tube 1 adopts a vertical glass tube with open structures at both ends; the atomizing tube 1 is set in the cylindrical shell 2, and the bottom of the atomizing tube 1 is sealed and fixed with the bottom of the cylindrical shell 2 through the atomizing sheet 3, and the cylindrical shell The top of 2 is sealed and connected with the outer wall surface of the top of atomizing tube 1. The outlet at the top of the atomizing tube 1 is connected to the upper branch pipe 5 through the inclined p...

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Abstract

The invention relates to an extraction device of VOCs from water which includes an atomization tube of which both the two ends are in an opened structure. The atomization tube is disposed in a cylindrical outer shell. The bottom of the atomization tube is sealedly fixed to the bottom of the cylindrical outer shell through an atomization sheet. The top of the cylindrical outer shell is sealedly connected to an outer wall surface on the top of the atomization tube. The outlet on the top of the atomization tube is connected to an upper end branch tube through an inclined pipeline. The upper end branch tube, the top of a condenser pipe, and the top of an inner tube are formed integratedly, wherein the condenser pipe is disposed in a refrigerating device. The inner tube is arranged in the condenser pipe to form a double-pipe structure. A gap is formed between the bottom of the inner tube and the bottom of the condenser pipe. The bottom of the condenser pipe is communicated with the upper end branch tube. A side branch pipe is arranged on one side wall at the top of the condenser pipe and is connected to the condenser pipe. The extraction device is simple in structure and is low in cost, can effectively separate VOCs form a water sample at a relative high separation efficiency, and can be widely applied in the field of environmental water quality treatment and researching.

Description

technical field [0001] The invention relates to an environmental water quality treatment device, in particular to a water VOCs extraction device used for pretreatment of VOCs in environmental water bodies. Background technique [0002] Volatile organic compounds (Volatile Organic Compounds, VOCs) are organic compounds with small molecular weight, high saturated vapor pressure, and volatile at room temperature. VOCs in environmental water and drinking water generally come from wastewater discharged from chemical companies, and volatilization from sewage treatment plants is also a concentrated source. In addition, humic acid, fulvic acid, and algae metabolites in water will also produce some after chlorine disinfection. Halogenated hydrocarbons. VOCs in water are extremely harmful to human health and environmental safety. Many species have three effects of "teratogenic, carcinogenic, and mutagenic", which can cause "feminization", or have an unpleasant smell, and are difficul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/20C02F1/36B01D5/00
Inventor 曾立民张晓琳张展毅
Owner PEKING UNIV
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