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Device for automatically measuring trace VOC (volatile organic compound) component in atmosphere

An automatic measurement, trace-level technology, applied in the field of VOCs detection, can solve problems such as inability to track effectively, fail to respond to data in a short time, and reduce data reliability and real-time performance. Sampling period, the effect of increasing the detection effect

Pending Publication Date: 2022-01-11
苏州天蓝分析仪器有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Unable to respond to data in a short time, data reliability and real-time performance are greatly reduced, and cannot be effectively tracked

Method used

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  • Device for automatically measuring trace VOC (volatile organic compound) component in atmosphere
  • Device for automatically measuring trace VOC (volatile organic compound) component in atmosphere
  • Device for automatically measuring trace VOC (volatile organic compound) component in atmosphere

Examples

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] Such as Figure 1 to Figure 6 As shown, a device for automatically measuring atmospheric trace VOC components of the present invention includes a filter mechanism 1, a first multi-way valve 2, a first enrichment pipe 3, a second enrichment pipe 4, and an MFC flowmeter 5 , air pump 6, second multi-way valve 7, carrier gas outlet 8, second two-way valve 9, carrier gas inlet 10, first two-way valve 11, VOCs analysis column 12, VOCs pre-separation column 13, FID detector 14 and several groups of communication pipes, the filter mechanism 1 communicates with the first multi-way valve 2 through the communication pipe, the first enrichment pipe 3 communicates with the firs...

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Abstract

The invention relates to the technical field of VOCs (volatile organic compounds) detection, in particular to a device for automatically measuring a trace VOC component in atmosphere, which adopts a double-enrichment-tube alternate working mode for automatic measurement, can greatly shorten the sampling period and improve the real-time performance and reliability of data. The device includes a filtering mechanism, a first multi-way valve, a first enrichment pipe, a second enrichment pipe, an MFC flow meter, a gas pump, a second multi-way valve, a carrier gas outlet, a second two-way valve, a carrier gas inlet, a first two-way valve, a VOCs analysis column, a VOCs pre-separation column, an FID detector and a plurality of sets of communicating pipes. The filtering mechanism is communicated with the first multi-way valve through a communicating pipe; The first enrichment pipe is communicated with the first multi-way valve through the communicating pipe, the second enrichment pipe is communicated with the first multi-way valve through the communicating pipe, the MFC flow meter is communicated with the first multi-way valve through the communicating pipe, the air pump is communicated with the MFC flow meter through the communicating pipe, and the second multi-way valve is communicated with the first multi-way valve through the communicating pipe.

Description

technical field [0001] The invention relates to the technical field of VOCs detection, in particular to a device for automatically measuring atmospheric trace-level VOC components. Background technique [0002] In order to implement the "Environmental Protection Law of the People's Republic of China" and "The Air Pollution Prevention and Control Law of the People's Republic of China", prevent and control environmental pollution, improve environmental quality, and strengthen the control and management of fugitive emissions of VOCs. It stipulates the control requirements for VOCs material storage fugitive emissions, VOCs material transfer and transportation fugitive emission control requirements, process VOCs fugitive emission control requirements, equipment and pipeline components VOCs leakage control requirements, open liquid surface VOCs fugitive emission control requirements, And VOCs unorganized emission waste gas collection and treatment system requirements, pollution mo...

Claims

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Application Information

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IPC IPC(8): G01N30/08G01N30/14G01N30/02
CPCG01N30/08G01N30/14G01N30/02
Inventor 李伟庄晓冬
Owner 苏州天蓝分析仪器有限公司
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