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Particulate matter monitor

一种颗粒物、颗粒的技术，应用在颗粒物监视器领域，能够解决极度酷热和干燥的环境等问题

Active Publication Date: 2013-04-24
THERMO ELECTRON A DE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although expected to be used in highly corrosive environments, the biggest challenge in designing this system is that it may be used in water saturated environments as well as in extremely hot and dry environments

Method used

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Examples

Experimental program
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Embodiment Construction

[0049] An example particle monitoring system includes tubing through which a fluid sample flows. A particle monitoring system receives a fluid sample from the input port into the pipeline. Fluid samples may include particulate matter of different sizes. A particle monitoring system controls the flow of a fluid sample through a conduit to age the particles. The properties of particulate matter change while residing in the pipeline. Contrary to the fluid flow of the fluid sample towards the outlet, gravity causes a portion of the particles in the fluid sample to fall to the bottom instead of being expelled outwards through the outlet. In the pipeline, the output port is located at a higher position in the vertical direction than the input port. The particle monitoring system outputs a portion of the primary particles (eg, particles that did not fall to the bottom due to gravity) in the fluid sample from the output port for analysis.

[0050] More specifically, figure 1 It ...

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Abstract

A particulate monitoring system includes a conduit in which to a pass a fluid sample from an input port to an output port. The particulate monitoring system receives a fluid sample inputted to the conduit through the input port. The fluid sample can include different sizes of particulate matter. The particulate monitoring system controls a flow of the fluid sample through the conduit to age the particulate matter. Gravitational forces cause a portion of the particulate matter in the fluid sample to fall into a basin as opposed to being exhausted through the output port, which is disposed at a vertically higher level of the conduit than the input port. Thus, the particulate monitoring system outputs a portion of the original particulate matter in the fluid sample (e.g., particulate matter that does not drop into the basin out due to gravity) for analysis.

Description

Background technique [0001] Clean air legislative frameworks, both in the United States and abroad, increasingly require continuous monitoring of the mass concentration of particulate matter emitted by source emissions. There is a strong industry need for measurements of particle mass concentrations in a form that simulates source emissions after equilibration with ambient air conditions. This form of particulate matter is referred to as Total Primary Particulate (TPP) and includes particulate matter removed directly from the source using filterable extraction as well as particles generated by condensation of the remaining fluid stream at baseline stability. [0002] Extracting, transporting, conditioning and measuring samples from contamination sources are critical processes necessary to provide consistent results with minimal downtime. Each of the described processes has its own distinct requirements, and proper design can meet these requirements and reduce instrument servi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D12/00
CPCG01N15/04G01N15/0255B01D45/02B07B7/01G01N1/2258G01N2001/2223G01N2001/225G01N1/2202
Inventor 凯文·J·古斯杰弗里·索查
Owner THERMO ELECTRON A DE
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