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Gas tank of ultraviolet differential analyzer

A technology of ultraviolet differential and gas cell, which is applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of undetectable smoke, weak signal, and short optical path of the gas cell, so as to facilitate light convergence, improve reflectivity, and increase light Cheng's effect

Inactive Publication Date: 2018-06-12
UNIVERSTAR SCI & TECH SHENZHEN
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] At present, most of the ultraviolet differential monitoring equipment in the market cannot meet the conditions for monitoring ultra-low concentration flue gas, and generally have the following problems: (1) The optical path of the gas cell is too short, and when the gas concentration is very low, the light absorbed by the gas (2) When the light enters the gas cell, it is prone to serious dispersion, resulting in a weak signal, so the ultra-low concentration of smoke cannot be detected. gas

Method used

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  • Gas tank of ultraviolet differential analyzer
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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, and similar component numbers in the drawings represent similar components. Apparently, the embodiments to be described below are only some 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.

[0023] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof. ...

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Abstract

The invention discloses a gas tank of an ultraviolet differential analyzer, which relates to the technical field of gas analysis. The gas tank of the ultraviolet differential analyzer comprises a closed gas tank body, wherein the gas tank body is provided with a light inlet and a light outlet; at least one reflector is arranged inside the gas tank body; and the light entering from the light inletis reflected for at least one time by virtue of the reflector to exit from the light outlet. According to the gas tank of the ultraviolet differential analyzer, a plurality of reflectors are installedin the gas tank, so that the light is reflected for multiple times in the gas tank, the light course is increased, and a purpose of accurately detecting ultralow concentration smoke can be achieved.

Description

technical field [0001] The invention relates to the technical field of gas analysis, in particular to a gas cell of an ultraviolet differential analyzer. Background technique [0002] In recent years, with the improvement of people's awareness of environmental protection, enterprises are required to implement strict requirements on the discharge of pollution sources. In order to cooperate with coal-fired power plants to achieve ultra-low emissions, the instruments for monitoring emissions also put forward higher requirements. Ultra-low emission means that the coal-fired boilers of thermal power plants adopt the integrated system technology of efficient and coordinated removal of various pollutants, so that the emission concentration of air pollutants basically meets the emission limits of gas-fired units, that is, sulfur dioxide does not exceed 35mg / m 3 , Nitrogen oxides not exceeding 50mg / m 3 , dust not exceeding 10mg / m 3 . [0003] At present, most of the ultraviolet d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/33
CPCG01N21/33
Inventor 喻继超徐乐华杨展涛何柏洪
Owner UNIVERSTAR SCI & TECH SHENZHEN
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