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Ultra-low concentration particulate matter online monitoring instrument and monitoring method

An ultra-low concentration, particulate matter technology, applied in the direction of particle suspension analysis, measuring devices, scientific instruments, etc., can solve the problems of long sampling and measurement time, unable to realize continuous automatic monitoring, etc., achieve small ionization capacity, stable and reliable measurement results, and measurement high precision effect

Inactive Publication Date: 2015-06-03
深圳睿境环保科技有限公司
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Problems solved by technology

The above methods are all manual weight methods, the sampling and measurement time is long, and continuous automatic monitoring cannot be realized

Method used

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  • Ultra-low concentration particulate matter online monitoring instrument and monitoring method

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Embodiment Construction

[0030] In order to fully understand the technical content of the present invention, the technical solution of the present invention will be further introduced and illustrated below in conjunction with specific embodiments.

[0031] Such as figure 1 The ultra-low concentration particulate matter online monitor shown includes sampling head 1, sampling tube 2, collector 3, detector 4, filter paper belt 5, radioactive source 6, paper belt transmission device 7, paper belt elastic device 8, exhaust Tube 9, condenser 10, flow controller 11, sampling pump 12.

[0032] The sampling tube 2 is located above the collector 3, and the sampling tube 2 is respectively connected to the sampling head 1 and the collector 3; the detector 4 is located on one side of the collector 3; the filter paper belt 5 is located below the collector 3 and the detector 4; the radioactive source 6 is located below the filter paper belt 5, and the radiation source 6 corresponds to the position of the detector 4...

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Abstract

The invention provides an ultra-low concentration particulate matter online monitoring instrument and an online monitoring method for ultra-low concentration particulate matters by using the monitoring instrument, wherein the method is used for continuously and automatically monitoring the ultra-low concentration particulate matters in smoke discharge of a stationary pollution source. According to a beta-ray method, the ultra-low concentration particulate matters with the concentration which is lower than 5mg / m<3> in smoke discharge of the stationary pollution source can be continuously and automatically monitored. The ultra-low concentration particulate matter online monitoring instrument has the characteristics of high measuring precision, strong anti-interference capacity and the like and is affected by neither characteristics such as sizes, colors and the like of the particulate matters nor environmental factors such as smoke temperature, pressure, magnetic field and the like.

Description

technical field [0001] The invention belongs to the technical field of environmental monitoring, and relates to an online monitor for ultra-low concentration particles and a monitoring method. Background technique [0002] In accordance with the requirements of the national "Air Pollution Prevention and Control Action Plan", it is necessary to speed up the upgrading and transformation of existing dust removal facilities for coal-fired boilers and industrial furnaces to ensure that the concentration of particulate matter is stable and meets the emission standards. A series of standards such as the "Emission Standards of Air Pollutants for Thermal Power Plants" (GB13223-2011) promulgated by the state have reduced the concentration of particulate matter emissions in stationary source exhaust to below 30 mg / m3. At present, most units with an installed capacity of more than 300,000 kilowatts have adopted electrostatic precipitator and wet desulfurization technology outside the fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06
Inventor 肖豪王富生汪兴业周云树曾勇
Owner 深圳睿境环保科技有限公司
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