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Zero gas purifying apparatus

A zero gas and air inlet technology, which is applied in gas treatment, air quality improvement, chemical instruments and methods, etc., can solve the problems of high price, high nitrogen consumption, high use cost, etc., and achieve the effect of saving use costs

Inactive Publication Date: 2018-05-29
UNIVERSTAR SCI & TECH SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount of nitrogen used is large and the price is expensive, which leads to the high cost of using the existing VOCs online gas chromatography system. If the carrier gas can be provided by itself, the cost of use may be greatly reduced

Method used

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. It should be noted that the descriptions involving "first", "second" and so on in the present invention are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions...

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Abstract

The invention discloses a zero gas purifying apparatus. The zero gas purifying apparatus comprises a gas inlet, a filtering device for purifying air into zero gas and a three-way pipe, wherein the gasinlet, the filtering device and the three-way pipe are sequentially communicated; the three-way pipe comprises a zero gas inlet and two zero gas outlets which are communicated with the filtering device; the filtering device is provided with a filtering material prepared from allochroic silicagel, iodized activated carbon, a dehydrocarbon catalyst, a molecular sieve and soda asbestos; the air is filtered sequentially through the allochroic silicagel, the iodized activated carbon, the dehydrocarbon catalyst, the molecular sieve and the soda asbestos and enters into the three-way pipe. Accordingto the zero gas purifying apparatus disclosed by the invention, the produced zero gas is provided for a volatile organic compound on-line gas phase chromatogram monitoring system through two gas paths by using the three-way pipe after the air is purified, and the zero gas is used as carrier gas and combustion-supporting gas, so that the operation costs are reduced.

Description

technical field [0001] The invention relates to the technical field of air quality detection, in particular to a zero gas purifier and an online gas chromatography system for volatile organic compounds using the zero gas purifier. Background technique [0002] In my country, volatile organic compounds (VOCs) refer to organic compounds with a saturated vapor pressure greater than 133.32 Pa at normal temperature and a boiling point below 50-260°C at normal pressure, or any organic solid or liquid that can volatilize at normal temperature and pressure. Alkanes, olefins, aromatic hydrocarbons, alcohols, esters and other gases in the air can produce foul smell and cause chronic poisoning. They may cause cancer or other diseases and affect people's health. Real-time monitoring of toxic and harmful volatile organic compounds in the air and timely forecasting of the danger to people is very important, so the VOCs online gas chromatography system for detecting volatile organic compou...

Claims

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Application Information

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IPC IPC(8): B01D53/86B01D53/75B01D53/72B01D46/00
CPCB01D46/00B01D53/02B01D53/1475B01D53/75B01D53/8668B01D2252/10B01D2253/10B01D2253/102B01D2257/80B01D2258/06Y02A50/20
Inventor 伍彩虹武文豹谢广群喻继超
Owner UNIVERSTAR SCI & TECH SHENZHEN