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Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments

A high-pressure, high-temperature, detector technology, applied in the direction of instruments, measuring devices, scientific instruments, etc.

Active Publication Date: 2015-12-30
杭州泰丽豪环保科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiency of above-mentioned background technology, a kind of hydrogen flame ionization detector is provided, mainly solves the use problem of the hydrogen flame ionization detector under complicated working conditions (high pressure, high temperature, high humidity) environmental conditions, By improving the conventional hydrogen flame ionization detector, the detector can be used in complex working conditions, especially in normal and stable use under fixed pollution source working conditions

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  • Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments
  • Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments
  • Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments

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Embodiment Construction

[0018] The present invention will be further described below, but the present invention is not limited to the following examples.

[0019] Such as figure 2 As shown, a hydrogen flame ionization detector suitable for a high-pressure, high-temperature, and high-humidity environment according to the present invention includes a detector body, and the gas outlet 10 of the detector body is provided with a valve to prevent the entry of high-temperature water vapor in the environment. Positive pressure components. The structure of the detector main body and figure 1 The main body structure of the detectors shown in the existing hydrogen flame ionization detectors is the same, and can be installed horizontally or vertically. The detector main body includes a base 15 and a detector cylinder 9, one end of the detector cylinder is installed on the base, the other end is shaped on the gas outlet 10, and a nozzle 13 and an ignition coil 12 arranged inside the detector cylinder are also ...

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Abstract

The invention relates to the technical field of checkout equipment, in particular to a hydrogen flame ionization detector. The problem about the use of the hydrogen flame ionization detector under the complicated work condition (high pressure, high temperature and high humidity) environments is mainly solved, so that the detector can be used in the complicated work condition environments, and particularly, can be stably and normally used under the stationary pollution source-type work condition. The adopted technical scheme is that the hydrogen flame ionization detector suitable for the high-pressure, high-temperature and high-humidity environments comprises a detector main body, and is characterized in that a gas outlet of the detector main body is provided with a positive pressure assembly; the positive pressure assembly comprises a sheath gas source, a regulating valve, a sheath gas pipe and a group of dispersion pipes which are communicated in sequence by pipelines, one end of the sheath gas pipe is butted with the gas outlet of the detector main body, the other end of the sheath gas pipe is opened, the pipe wall of the sheath gas pipe is of a hollow structure to form a transmission cavity of sheath gas, and the dispersion pipes are dispersively arranged on the inner wall of the sheath gas pipe.

Description

technical field [0001] The invention relates to the technical field of detection equipment, in particular to a hydrogen flame ionization detector. Background technique [0002] The hydrogen flame ionization detector is one of the commonly used detectors in laboratory gas chromatography instruments. The detector is powered by the flame generated by the combustion of hydrogen and air. When organic compounds enter the flame of hydrogen and oxygen, chemical ionization occurs at high temperature. The ionization produces ions that are several orders of magnitude higher than the base flow. In the high-voltage electric field Under the directional action, an ion flow is formed, and the weak ion flow (10-12~10-8A) is amplified by high resistance to become an electrical signal proportional to the amount of organic compounds entering the flame, and the organic matter is quantitatively analyzed according to the magnitude of the signal. [0003] Such as figure 1 As shown, after the orga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/68
Inventor 张良陈敏黄林伟吴斌杰
Owner 杭州泰丽豪环保科技有限公司
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