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Flue gas asymmetric sampling device

A sampling device, asymmetric technology, applied in sampling device, sampling, measuring device and other directions, can solve the problem of easy formation of turbulent flow in the flue, achieve the effect of simple and ingenious structure, improve technical level, improve accuracy and representativeness

Inactive Publication Date: 2016-06-15
HUNAN DATANG ENERGY SAVING SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, if the shape of the flue is complex, and there are many elbows and heads, turbulent flow will easily form in the flue, and single-point or multi-point (three-point) sampling methods cannot fully reflect the characteristics of flue gas pollutants.

Method used

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  • Flue gas asymmetric sampling device

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings of the specification. As shown in the accompanying drawings:

[0023] An asymmetric sampling device for flue gas, which is composed of flue 1, sampling header 2, sampling branch 3, and sampling hole 4;

[0024] In the flue gas asymmetric sampling device, the sampling header 2 is fixedly connected with the sampling branch 3, the sampling branch 3 is provided with a sampling hole 4, and the sampling branch 3 is inserted in the flue 1 and fixed to the flue wall connection.

[0025] In the asymmetric sampling device for flue gas, the flue 1, the sampling manifold 2, and the sampling branch 3 are all tubular structures, and the sampling holes 4 are circular holes.

[0026] In the asymmetric sampling device for flue gas, the sampling branch 3 has at least four.

[0027] In the asymmetric sampling device for flue gas, the sampling branch 3 is asymmetrically arranged, and the sampling ...

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Abstract

The invention discloses a flue gas asymmetric sampling device and relates to the technical field of boilers. Gas asymmetric sampling key technology is adopted, the flue gas asymmetric sampling device is composed of a flue, a sampling manifold, sampling branched pipes and sampling holes, the sampling manifold is fixedly connected with the sampling branched pipes, the sampling holes are formed in the sampling branched pipes, and the sampling branched pipes are inserted into the flue and fixedly connected with a flue wall. The flue gas asymmetric sampling device is used for flue gas sampling and is simple and ingenious in structure, stable and reliable in effect, easy to manufacture and low in cost.

Description

Technical field [0001] The invention relates to a flue gas asymmetric sampling device, which relates to the technical field of boilers; in particular, it relates to the technical field of a flue gas asymmetric sampling device at the tail of the boiler. Background technique [0002] With the progress of society, the requirements for environmental protection are becoming stricter. The technical monitoring requirements for flue gas emissions from thermal power plants have become more stringent. The flue gas parameter monitoring system is mainly used to measure flue gas flow rate, flue gas temperature, flue gas pressure, flue gas oxygen content, flue gas humidity, etc., for the calculation of total emissions and the conversion of related concentrations. Smoke and dust testing has developed from cross-flue opacity dust meters and beta-ray dust meters to plug-in backscattered infrared light or laser dust meters, as well as forward scattering, side scattering, and electrical dust meter...

Claims

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Application Information

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IPC IPC(8): G01N1/22G01N1/24
CPCG01N1/2258G01N1/24
Inventor 邓伟力刘宾张正良
Owner HUNAN DATANG ENERGY SAVING SCI & TECH CO LTD
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