Device for sampling and analyzing liquid

A gas analyzer and liquid technology, applied in the direction of material analysis, measuring devices, and analysis materials through optical means, can solve the problems of inaccuracy, inconvenient, long analysis time, etc., and achieve the effect of expanding the analysis range and application field

Active Publication Date: 2013-04-24
BEIJING CHENGTIAN ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method of analyzing water quality is usually manual analysis through chemical rea

Method used

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  • Device for sampling and analyzing liquid

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Embodiment Construction

[0025] figure 1 It is a structural diagram of the device for sampling and analyzing liquid according to the present invention. As shown in the figure, the device includes: an autosampler 1 and a Fourier infrared gas analyzer 2; The tube is sealed and connected; the gas outlet 20 of the autosampler is sealed and connected with the air inlet 3 of the Fourier infrared gas analyzer 2 through a gas guide hose; the autosampler 1 includes a liquid inlet 5, a liquid outlet Port 6, cleaning liquid inlet 7, cleaning liquid outlet 8, first three-way solenoid valve 9, second three-way solenoid valve 10, first two-way solenoid valve 11, peristaltic pump 12, sample chamber 13, cooling chamber 16, drain Filter 17, hydrophobic filter 18, sampler inlet 19, sampler outlet 20, the second two-way solenoid valve 21, the third two-way solenoid valve 22; wherein

[0026] The air inlet 19 of the sampler is connected to the air-guiding hose inside the sampler, and the air-guiding hose is connected i...

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Abstract

The invention discloses a device for sampling and analyzing a liquid. The device comprises an automatic sampler and a Fourier transform infrared gas analyzer, wherein the gas outlet and the gas inlet on the sampler are respectively connected with the gas inlet and the gas outlet of the Fourier transform infrared gas analyzer through guide tubes in a sealing manner to form an analytic system; and the sampler is used for extracting a water sample to be detected through a liquid sample inlet, the water sample is subjected to constant-temperature heating in the sampler, and volatilization gas in the water enters a gas analyzer to be analyzed. The invention relates to an analyzing device for carrying out automatic sampling on the liquid, and can realize rapid, simple and accurate analysis on volatile matters in water.

Description

technical field [0001] The invention relates to the technical field of liquid detection, in particular to a device for sampling and analyzing liquids, which can be used for detecting gas components in liquids such as water and various aqueous solutions. Background technique [0002] In recent years, due to the many analyzable material components, short analysis time, convenient operation, strong real-time performance, less material consumption and powerful quantitative and qualitative algorithm software of the Fourier transform infrared gas analyzer, it is more and more used by people. . Especially in the aspect of on-site gas analysis, specialized Fourier transform infrared gas analyzers are used in a wide range of application fields, such as environmental monitoring, labor hygiene, safety production, fire emergency and so on. However, due to the high price and large one-time investment of the Fourier transform infrared gas analyzer, the limitation of the instrument to ana...

Claims

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Application Information

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IPC IPC(8): G01N35/10G01N21/35G01N21/3577
Inventor 楼竞晖
Owner BEIJING CHENGTIAN ADVANCED TECH
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