Gas phase molecular absorption spectrometer with redundant temperature control function

A gas-phase molecule and spectrometer technology, applied in the field of gas-phase molecular absorption spectrometer, can solve the problems of lack of temperature control and low reliability

Pending Publication Date: 2019-04-09
SHANGHAI ANJIE ENVIRONMENTAL PROTECTION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a gas-phase molecular absorption spectrometer with a redundant temperature control function, which can solve the problems of lack of redundancy and low reliability in the temperature control of the gas-phase molecular absorption spectrometer in the prior art

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  • Gas phase molecular absorption spectrometer with redundant temperature control function
  • Gas phase molecular absorption spectrometer with redundant temperature control function
  • Gas phase molecular absorption spectrometer with redundant temperature control function

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Embodiment Construction

[0023] Such as figure 1 As shown, a gas-phase molecular absorption spectrometer with redundant temperature control function includes a control device 101, a liquid circuit device 102, a gas circuit device 103, and an optical circuit device 104. The control device 101 controls and connects the liquid circuit device 102 and the gas circuit device respectively. 103 and the optical path device 104; a temperature sensing mechanism is provided between the heater 109 and the reaction separation device 108.

[0024] Such as figure 2 As shown, the reaction separation device comprises a reactor main body 201, and the reactor main body 201 is provided with a liquid inlet 202, a gas exchange port 203, a liquid discharge port 205, a liquid leakage port 204, a liquid inlet 202, a gas exchange port 203, a discharge port The liquid port 205 communicates with the inside and outside of the reactor main body 201 respectively. The air exchange port 203 is arranged on the upper end of the react...

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Abstract

The invention discloses a gas phase molecular absorption spectrometer with a redundant temperature control function, comprising a control device, a liquid path device, a gas path device and an opticalpath device; the control device is respectively in control connection with the liquid path device, the gas path device and the optical path device; the liquid path device comprises a sample introduction device, a sample mixing device and a reaction separation device, which are connected in series; the reaction separation device is connected to a heater; a temperature sensing mechanism is disposedbetween the heater and the reaction separation device; the temperature sensing mechanism comprises at least three temperature sensors, the temperature sensors are respectively connected to a voter, and the voter is connected to a display. According to the gas phase molecular absorption spectrometer with the redundant temperature control function in the invention, a temperature sensing mechanism is arranged between the reaction separation device and the heater, and the temperature sensing mechanism comprises at least three temperature sensors; and when the temperature values output by the twotemperature sensors are consistent, the voter outputs the value, thereby ensuring redundancy of temperature control of the spectrometer.

Description

technical field [0001] The invention relates to the technical field of environmental analysis instruments, in particular to a gas-phase molecular absorption spectrometer with a redundant temperature control function. Background technique [0002] Gas-phase molecular absorption spectroscopy is based on the principle that the relationship between the light absorption intensity of the gas decomposed into the measured component and the measured component obeys the law of light absorption for quantitative determination. According to the different absorption wavelengths, the components to be measured can also be determined for qualitative analysis. Gas-phase molecular absorption spectrometry can be used to determine ammonia nitrogen, total nitrogen, sulfide, nitrate nitrogen, nitrite nitrogen, Kjeldahl nitrogen, etc. [0003] The detection principle of gas-phase molecular absorption spectroscopy is: firstly, through a chemical reaction, the ions or molecules in the aqueous soluti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31G05D23/20
CPCG05D23/20G01N21/31
Inventor 周宇光张鹏珍白云辉
Owner SHANGHAI ANJIE ENVIRONMENTAL PROTECTION TECH
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