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Automatic measurement device for concentration of heavy metal in ash

An automatic measurement, heavy metal technology, applied in the direction of measuring devices, sampling devices, instruments, etc., can solve the problem of not being able to use ash to move the path, and achieve the effect of reliable discharge and simple structure

Active Publication Date: 2015-01-14
HITACHI ZOSEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] According to the above-mentioned conventional system, the ash captured by the bag filter is guided to the belt conveyor and the heavy metal concentration is measured, but it cannot be used for the ash movement path set in the vertical direction

Method used

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  • Automatic measurement device for concentration of heavy metal in ash
  • Automatic measurement device for concentration of heavy metal in ash
  • Automatic measurement device for concentration of heavy metal in ash

Examples

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Embodiment Construction

[0019] Below, based on Figure 1 ~ Figure 3 , to illustrate the automatic measuring device for heavy metal concentration in ash according to the embodiment of the present invention.

[0020] In this embodiment, for example, automatic measurement of the concentration of heavy metals, which are harmful substances, such as lead, cadmium, and chromium, contained in fly ash discharged from an incinerator will be described.

[0021] The above-mentioned heavy metal concentration automatic measuring device is set in the slideway, which is used to guide the ash from the ash storage tank to the heavy metal fixed processing device, and the ash storage tank is temporarily stored by the dust collection device (such as bag dust collector) of the incinerator. collected ash, etc., and the heavy metal concentration automatic measuring device collects the ash falling into the chute as a sample, and measures the heavy metal concentration contained in the ash collected as the sample.

[0022] Su...

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Abstract

The invention provides an automatic measuring device for heavy metal concentration in ash. The channel (2) for ash collection is connected to the slideway (1) arranged in the vertical direction in the horizontal direction, and the ash collection channel (2) that can enter and exit the slideway (1) is provided in the above-mentioned ash collection channel (2). container (14), and is provided with a round bar-shaped scraping member (15), used to scrape the ash stored in the container (14) for ash collection, the radius of the scraping member (15) is 5-15mm range, and the moving speed of the ash collection container ( 14 ) is 0.1 to 0.5 m / sec.

Description

technical field [0001] The present invention relates to an automatic measuring device for heavy metal concentration in ash discharged from, for example, a dust collecting device installed in an incinerator. Background technique [0002] For example, the exhaust gas discharged from an incinerator contains ash such as fly ash, and the ash contains heavy metals such as lead, cadmium, chromium, etc. Heavy metals contained in the ash are eluted into the environment. [0003] In addition, in order to properly treat heavy metals in ash, it is necessary to use an appropriate amount of chemicals, and therefore, it is necessary to accurately measure the amount of heavy metals contained in ash, that is, the concentration of heavy metals. [0004] Conventionally, there is a system for measuring the concentration of heavy metals using X-rays (for example, refer to Patent Document 1). [0005] This system guides ashes from, for example, a bag filter to a belt conveyor, and installs a fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/04G01N23/223
CPCG01N1/20G01N23/223G01N2223/076G01N1/04
Inventor 原田浩希森脇荣辅古林通孝
Owner HITACHI ZOSEN CORP
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