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Field lampblack test device

An on-site detection and soot technology, applied in the field of particulate matter detection, can solve the problems of inability to meet on-site detection and law enforcement, complicated sampling and detection and analysis process, and low measurement accuracy, and achieve the advantages of easy function expansion, convenient measurement and law enforcement, and high measurement accuracy Effect

Inactive Publication Date: 2013-07-24
许楷楠
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Problems solved by technology

[0003] At present, my country's environmental protection department is testing oil fume emissions, not only the sampling and testing and analysis process involved in the testing method is complicated, the testing cycle is long, the measurement accuracy is low, the testing cost is high, the operation is cumbersome, and the testing cannot be completed on site (need to be sampled first) ), to obtain test results, which cannot meet the needs of on-site testing and law enforcement

Method used

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Embodiment Construction

[0018] This aspect will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] figure 1 It is a schematic diagram of the working principle of the detection device of the present invention. There are two parts in the detection equipment, one is the horizontal optical path, including the light source generator, multi-parameter measurement chamber, and extinction chamber arranged in sequence along the optical path; the other is the longitudinal oil fume path (oil fume sample gas channel). The two meet in the multiparameter measurement chamber. The concentration of soot particles is measured in a multifunctional measuring chamber.

[0020] figure 2 It is a structural block diagram of a preferred embodiment of the oil fume on-site detection equipment of the present invention. As shown in the figure, it includes a laser generator, a reference measurement chamber, an aperture, a multi-parameter measurement chamber, and an extinction ch...

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Abstract

The invention relates to a particulate matter test technology, and particularly relates to a test device for concentration of particulate matters in lampblack in the catering. The device comprises a light source generator, a multi-parameter measuring chamber and an extinction chamber which are sequentially arranged, wherein a measuring light beam emitted by the light source generator enters the extinction chamber through the multi-parameter measuring chamber. The device also comprises a lampblack sample gas channel which is joined with the measuring light beam in a cavity of the multi-parameter measuring chamber. The device is modularly designed so as to bring the convenience for function extension, and is high in measuring precision; and the testing and sampling can be synchronously carried out and organically combined, so that field measurement and enforcement are conveniently carried out.

Description

technical field [0001] The invention relates to a particulate matter detection technology, in particular to a particle concentration detection device in cooking fume. Background technique [0002] Cooking fume from the catering industry [mainly composed of particulate matter and TVOC (total volatile organic compounds)] has been a nuisance problem for a long time. In addition, the urban catering service industry is often concentrated in densely populated urban areas and commercial areas. In recent years, environmental protection complaints have remained high. [0003] At present, my country's environmental protection department is testing oil fume emissions, not only the sampling and testing and analysis process involved in the testing method is complicated, the testing cycle is long, the measurement accuracy is low, the testing cost is high, the operation is cumbersome, and the testing cannot be completed on site (need to be sampled first) ), to obtain test results, which can...

Claims

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Application Information

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IPC IPC(8): G01N15/06
Inventor 许楷楠
Owner 许楷楠
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