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Redundant online photoion analysis system and its analysis method

An analysis system, photoion technology, applied in the redundant online photoion analysis system and its analysis field, can solve problems such as difficult to meet the detection requirements, achieve the effect of prolonging the service life and ensuring the measurement accuracy of the instrument

Active Publication Date: 2020-12-22
SHENZHEN NUOAN ENVIRONMENTAL & SAFETY INC
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Problems solved by technology

However, when some on-site environments require uninterrupted real-time monitoring of VOCs emissions, the existing photoion gas detectors are difficult to meet the detection requirements

Method used

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  • Redundant online photoion analysis system and its analysis method
  • Redundant online photoion analysis system and its analysis method
  • Redundant online photoion analysis system and its analysis method

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific operation examples.

[0032] The invention relates to a redundant online photoion analysis system, such as Figures 1 to 5 As shown, there is at least one cleaning assembly (not shown) and at least two monitoring paths, each of which includes a first valve assembly 11 and a photoion gas detector 21 . The first valve assembly 11 has a first valve port, a second valve port and a third valve port; the first valve port of the first valve assembly 11 is connected to the gas to be detected, and the second valve port of the first valve assembly 11 is connected with the cleaning assembly Connected, the third valve port of the first valve assembly 11 is connected with the photoion gas detector 21; it is used to connect the first valve port and the third valve port of the first valve assembly 11 when monitoring the discharged gas to be detected, and Used to connect th...

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Abstract

The invention relates to a redundancy online photoion analysis system and an analysis method thereof. The redundancy online photoion analysis system is provided with at least one washing assembly and at least two monitoring pathways. Each monitoring pathway comprises a first valve assembly and a photoion gas detector. Each first valve assembly is provided with a first valve port, a second valve port and a third valve port, wherein gas to be detected is connected into the first valve port of the first valve assembly, the second valve port of the first valve assembly is connected with the washing assembly, the third valve port of the first valve assembly is connected with the corresponding photoion gas detector, the first valve port of the first valve assembly communicates with the third valve port of the first valve assembly when the discharged gas to be detected is monitored, and the second valve port of the first valve assembly communicates with the third valve port of the first valve assembly when the photoion gas detector is cleaned. By means of the redundancy online photoion analysis system and the analysis method thereof, the photoion gas detectors on the different monitoring pathways can alternately work, and washing of the photoion gas detectors is convenient.

Description

technical field [0001] The invention relates to a gas monitoring device and a monitoring method, in particular to a redundant online photoion analysis system and an analysis method thereof. Background technique [0002] The photoion gas detector of the existing redundant online photoion analysis system is easily affected by impurities in the gas to be detected during the detection process, which leads to a decrease in the sensitivity of the photoion gas detector and affects the accuracy of detection. Therefore, after the photoion gas detector is used for a period of time, the photoion gas detector needs to be cleaned regularly. However, when some on-site environments require uninterrupted real-time monitoring of VOCs emissions, the existing photoion gas detectors are difficult to meet the detection requirements. Contents of the invention [0003] In view of the above existing problems, the present invention provides a redundant online photoion analysis system and its anal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/15
CPCG01N21/15G01N2021/151
Inventor 卿笃安
Owner SHENZHEN NUOAN ENVIRONMENTAL & SAFETY INC
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