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Process analytical instruments with closed flame quenching connections

A process analysis, flame extinguishing technology, applied in the structural details of gas analyzers, instruments, scientific instruments, etc., can solve the problems of adding cameras to instruments, expensive flame arresters, etc.

Active Publication Date: 2016-08-17
ROSEMOUNT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Flame arresters which may typically set the required flame quenching function tend to be expensive and may add a large cost to the instrumentation of the camera

Method used

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  • Process analytical instruments with closed flame quenching connections
  • Process analytical instruments with closed flame quenching connections

Examples

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Embodiment Construction

[0006] figure 1 is a schematic perspective view of a particularly useful process analytical instrument of an embodiment of the invention. A process gas chromatograph (analyzer) 10 includes an analysis module 12 that contains most of the chromatographic machinery for the chromatograph 10. Such as figure 1 As shown, the chromatograph 10 has a number of pipes or conduits 16 that must be connected between the modules 12 and the analyzer housing 24 . The plurality of tubes or conduits 16 are terminated together (on at least one end) with a modular removable tube bracket 18 which facilitates quick and safe replacement of the chromatography module 12 . This allows multiple pipes or conduits to be connected between the analyzer housing 24 and the module 12 without the use of separate fittings. Furthermore, the utilization of modular pipe brackets 18 allows positive sealing of multiple pipes or conduits 16 in designated or preselected locations, thus preventing pipe swapping or impr...

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Abstract

The invention discloses a process analysis instrument and a pipe bracket. A process analytical instrument includes an analysis module having a plurality of inlets and configured to analyze a process gas. The tube bracket is connected to the analytical module and has a housing defining an interior therein. Multiple pipes are terminated in pipe brackets. At least one of the plurality of conduits has an integral flame suppression path and an interior of the housing proximate the integral flame suppression path is filled with a solid.

Description

Background technique [0001] Process analytical sensors and instruments are employed in a variety of industries to measure and control gases and liquids in processes. Process analyzers include, but are not limited to, process gas chromatographs, process gas analyzers, process hydrocarbon analyzers, continuous emission monitoring systems (CEMS), and the like. [0002] Process analytical instruments, such as gas chromatographs and complex gas and / or liquid analyzers or instruments, often require one or more connections to various gas, liquid, air or exhaust lines. In gas analysis equipment designed to operate in hazardous / explosive environments, it is often necessary to provide a means by which gas can enter the instrument for analysis without allowing flames to propagate through the gas flow path. This is necessary when the analytical instrument is arranged in an explosion-proof enclosure "Exd". Flame arresters, which may typically provide the desired flame quenching function,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02
CPCG01N30/16G01N33/0009G01N35/1095G01N2035/00237G01N35/1074G01N2030/8881G01N2001/002
Inventor 爱德华·J·贝利詹森·P·普拉蒂小维森特·拉米雷斯
Owner ROSEMOUNT INC
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