Gaseous mercury monitoring system and control method thereof

A monitoring system and technology for gaseous mercury, applied in the direction of analytical materials, instruments, etc., can solve the problem of inability to realize automatic online monitoring of ambient gas mercury concentration.

Inactive Publication Date: 2014-02-19
BEIJING SDL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, at present, this measurement method can only realize the measurement of the mercury concentration...

Method used

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  • Gaseous mercury monitoring system and control method thereof
  • Gaseous mercury monitoring system and control method thereof
  • Gaseous mercury monitoring system and control method thereof

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Embodiment Construction

[0041] The core of the present invention is to provide a gaseous mercury monitoring system and its control method. The gaseous mercury monitoring device can realize online automatic monitoring of ambient gas.

[0042] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with devices, methods, drawings and specific embodiments.

[0043] Please refer to figure 1 , figure 2 , figure 1 It is a connection block diagram of a gaseous mercury monitoring system in an embodiment of the present invention; figure 2 It is a flowchart of a gaseous mercury monitoring method in an embodiment of the present invention.

[0044] The present invention provides a gaseous mercury monitoring system comprising a carrier gas device 14, an enrichment and desorption device 12, and a mercury analysis device 13, and also includes the following components: a samp...

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Abstract

The invention discloses a gaseous mercury monitoring system. The gaseous mercury monitoring system comprises a gas carrying device, an enrichment and desorption device, a mercury analysis device, a sampling device, a pretreatment device, a display device and a controller. When the gaseous mercury monitoring system is in a gaseous mercury enrichment state, channels among the sampling device, the pretreatment device and the enrichment and desorption device are communicated and control elements in the devices are started to carry out enrichment; when the gaseous mercury monitoring system is in a desorption state, channels among the gas carrying device, the enrichment and desorption device and the mercury analysis device are communicated and the control elements in the devices are started to carry out desorption measurement; and the display device is connected to a signal output end of the controller and is used for displaying a mercury concentration measurement result produced by the mercury analysis device. The gaseous mercury monitoring system realizes on-line automatic monitoring on environmental gas. The invention also discloses a control method of the gaseous mercury monitoring system.

Description

technical field [0001] The invention relates to the technical field of environmental detection, in particular to a gaseous mercury monitoring system and a control method thereof. Background technique [0002] With the development of industry, heavy metals are widely used in industry, agriculture, medicine, etc., and the environmental pollution caused by various heavy metals is becoming more and more serious. The harm of heavy metals to the environment and human beings has attracted more and more attention. [0003] Heavy metals are highly toxic, not easy to be metabolized in the environment, easy to be bioaccumulated and have biomagnification effects, etc., which have far-reaching harm to the environment and organisms. Among them, mercury and its compounds are the most toxic among all heavy metals. the first. Mercury exists in liquid form at room temperature, and the vaporized inorganic mercury can circulate to any corner of the world with the atmospheric circulation, which...

Claims

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Application Information

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IPC IPC(8): G01N35/00
Inventor 韩占恒
Owner BEIJING SDL TECH
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