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Online solid waste incineration treatment analysis system

An analysis system and analyzer technology, applied in the direction of analyzing materials, material analysis by optical means, measuring devices, etc., can solve the problems of inability to detect multiple gases at the same time, high cost, and ensure non-destructive measurement, reduce corrosion, and stable properties. Effect

Inactive Publication Date: 2014-06-11
NANJING HOPES TECH
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Problems solved by technology

At present, the direct extraction type CEMS is used, and the sampling temperature is generally set at 120-150 degrees in desulfurization applications. More than 80% of the monitoring principle adopts non-dispersive infrared absorption technology, which cannot detect multiple gases at the same time. If it is necessary to increase, it is necessary to add multiple sensors and its processing unit, the cost is higher

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  • Online solid waste incineration treatment analysis system

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Embodiment

[0029] Example: The online analysis system for solid waste incineration treatment in this example is attached figure 1 As shown, it mainly includes heating sampling unit, flue gas high temperature conveying unit, high temperature box pretreatment unit, pressure sensor, calibration unit, analyzer purging unit and data processing unit.

[0030] In this embodiment, the flue gas flow process: the flue gas is heated and filtered in the sampling probe 1, kept warm through the heat tracing pipeline 2, and transported to the high temperature box 3 by the air pump (the high temperature box contains a flue gas filtering unit, a heating unit, a flue gas Control components), after passing through the zirconia sensor and FTIR analyzer measuring pool, it is discharged from the system.

[0031] The sampling system includes a sampling probe 1, a heating line 2, a blowback box 5, and the like. The ceramic filter element of the sampling probe 1 has a pore size of 2 microns, which can effective...

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Abstract

The invention belongs to the technical field of analysis equipment and discloses an online solid waste incineration treatment analysis system. Gases such as NO, NO2, CO, CO2, HCL, SO2 and O2 in exhausted flue gas are measured after refuse combustion. According to the online monitoring system, solid waste incineration flue gas is subjected to sampling analysis along a sampling probe, an electric heating type heat tracing sampling pipe, a sampling pump, a pretreatment unit and a Fourier transform infrared spectroscopy (FTIR) analyzer sequentially. In order to guarantee reliable and stable operation of the system, the monitoring system also comprises an analyzer purging protection unit, a probe blowback unit and a calibration unit. In the gas analysis process, the temperature is high in the whole process, the component loss is low, the measurement accuracy is high, and the system equipment can be prevented from being subjected to condensate corrosion by acid gases under unforeseen circumstances due to the protection unit. Moreover, the FTIR Fourier external analyzer has extremely high expansion capability, and analysis components can be increased according to the requirement.

Description

technical field [0001] The invention relates to gas analysis technology, in particular to an on-line analysis system for flue gas discharged from solid waste incineration treatment. Background technique [0002] There are several difficulties in the measurement of flue gas emitted from solid waste incineration treatment, including damage to equipment by corrosive flue gas and detection of soluble gases (such as HCL). At present, the direct extraction type CEMS is used, and the sampling temperature is generally set at 120-150 degrees in desulfurization applications. More than 80% of the monitoring principle adopts non-dispersive infrared absorption technology, which cannot detect multiple gases at the same time. If it is necessary to increase, it is necessary to add multiple sensors And its processing unit, the cost is higher. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies of the prior art, and propose an on-line moni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3504G01N1/24
Inventor 顾潮春张云生万智
Owner NANJING HOPES TECH
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