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On-line dust measuring instrument based on light scattering

A technology of light scattering method and measuring instrument, which is used in measuring devices, scientific instruments, analysis of suspensions and porous materials, etc., can solve the problems of low accuracy and reliability of measurement results, and achieve the effect of improving accuracy and reliability.

Inactive Publication Date: 2016-02-24
GUANGDONG WEICHUANG TECH DEV
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Problems solved by technology

[0006] The object of the present invention is to provide an online dust measuring instrument using the light scattering method to solve the technical problem of relatively low accuracy and reliability of the measurement results of the dust measuring instrument in the prior art

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  • On-line dust measuring instrument based on light scattering
  • On-line dust measuring instrument based on light scattering

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Embodiment Construction

[0035] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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 making creative efforts belong to the protection scope of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides an on-line dust measuring instrument based on light scattering. The on-line dust measuring instrument comprises a housing, a laser light source, an optical filter, and an receiving source circuit board; a first light channel is arranged in the housing; the optical filter and the receiving source circuit board are arranged in the first light channel, and are successively arranged along the extending direction of the first light channel; the laser light source is used for emitting laser with a preset wavelength into smoke gas to be measured; scattered light of the smoke gas to be measured comprises laser with the preset wavelength and interference light; the optical filter is used for removing the interference light via filtering; the receiving source circuit board is used for receiving the laser with the certain wavelength obtained via scattering of the smoke gas to be measured, and treating the laser with the certain wavelength; and the receiving source circuit board is connected with an electricity supply communication plug via electric connection. The on-line dust measuring instrument is capable of avoiding influences of interference factors in the natural environment on measuring results, increasing accuracy and reliability of measuring results, and is suitable for on-line continuous monitoring of dust particle concentration, and especially uninterruptable monitoring on smoke gas discharge systems at severe natural environment with many monitoring interference factors.

Description

technical field [0001] The invention relates to the technical field of air pollutant control, in particular to an online dust measuring instrument using a light scattering method. Background technique [0002] With the strengthening of national environmental protection and pollution control, the emission of industrial flue gas must strictly follow the national emission standards. Among the pollutants in the discharged flue water, soot particles are the main content. In order to measure the concentration of soot particles, dust appears Measuring instrument. [0003] Dust measuring instruments can measure by many different methods and approaches. [0004] For example, the light-scattering method for determining the concentration of dust in the air utilizes light-scattering, which scatters light when it shines on particles suspended in smoke. Under the condition of certain optical system and dust properties, the scattered light intensity is proportional to the dust concentrat...

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Application Information

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IPC IPC(8): G01N15/06
Inventor 陈青陈天渝李汉汉李泽彪朱润泉
Owner GUANGDONG WEICHUANG TECH DEV
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