System and method for continuously monitoring emission of smoke particles

A monitoring system and particle technology, applied in particle suspension analysis, measurement device, sampling, etc., can solve the problem of low measurement accuracy, and achieve the effects of safe and reliable measurement, avoiding interference, and maintaining consistent temperature

Inactive Publication Date: 2020-02-14
江阴市中源环境仪器有限公司
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Problems solved by technology

For this reason, Chinese patent CN201520153627.0 discloses an "ultra-low concentration particulate matter online monitor", which uses a radioactive source to detect the concentration of particulate matter in the flue gas; Water

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  • System and method for continuously monitoring emission of smoke particles
  • System and method for continuously monitoring emission of smoke particles

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[0021] see figure 1 and figure 2 , a continuous monitoring system for flue gas particulate matter emission that the present invention involves includes a heating furnace 2. The Venturi tube assembly 3 includes an inner Venturi tube 3.1 and an outer sleeve 3.2 set outside the inner Venturi tube 3.1, and the expansion end of the inner Venturi tube 3.1 passes through a reducing tube 4 and an air intake of the tee 5 The mouth is connected, and the outer wall of the end where the inner Venturi tube 3.1 communicates with the reducing tube 4 is provided with a plurality of drain ports 3.3, and a drain valve 3.4 is installed on the outer wall of the outer sleeve 3.2 of the drain valve 3.4; The other air inlet of the three-way 5 is communicated with the nitrogen source 6 through the flow control valve 7, and the air outlet of the three-way 5 is connected to the air inlet 8.1 at one end of the bottom of the measurement box 8, the top of the measurement box 8 The other end is provided...

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Abstract

The invention discloses a system and method for continuously monitoring emission of smoke particles. By utilizing a front-end Venturi tube (1), to-be-monitored smoke particles are guided into a heating furnace (2) along the front-end Venturi tube to be heated to gasify water droplets, and then water formed after expansion and liquidation of gas at the expansion end of an inner Venturi tube (3.1) of a back-end Venturi tube assembly (3) drips on the inner wall of the inner Venturi tube and enters an interlayer between the inner Venturi tube (3.1) and an outer sleeve (3.2) through liquid outlets(3.3); and the gas after removal of water vapor enters a measuring box (8) under the blowing of quantitative nitrogen, the concentration of the particles in smoke is converted into an optical signal through laser scattering, the optical signal is received by a receiving assembly (10), guided into a detector (11) and converted into an electrical signal and a particle concentration result is output.The system and method for continuously monitoring the emission of the smoke particles have the advantage of high measurement precision.

Description

technical field [0001] The invention relates to a system and method for continuous monitoring of flue gas particle emission. 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. For this reason, Chinese patent CN201520153627.0 discloses an "ultra-low concentration particulate matter online monitor", which uses a radioactive source to detect the concentration of particulate matter in the flue gas; Water vapor, in a high-temperature and high-humidity environment, has low measurement accuracy. Therefore, a continuous monitoring system for flue gas particulate matter emission with high measurement accuracy is urgently needed. Contents of the invention [000...

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Application Information

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IPC IPC(8): G01N1/22G01N15/06
CPCG01N1/2202G01N1/2258G01N15/06G01N2015/0693
Inventor 钱钢陈业奇黄林军侯志威
Owner 江阴市中源环境仪器有限公司
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