Chromatographic instrument calibration device

A calibration device and chromatograph technology, applied in the field of calibration devices of online chromatographs, can solve problems such as the accuracy of the impact evaluation, the inconsistency between the flow state and the temperature situation, and the inability to perform multi-point calibration at the same time. Ease of use and cost-saving effect

Active Publication Date: 2010-03-10
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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Problems solved by technology

[0005] If the online chromatograph is installed on the actual operating equipment for detection, since the gas content in the actual equipment oil is relatively stable, the detection will encounter a lot of inconvenience under normal circumstances, and multi-point calibration cannot be performed at the same time
[0006] If the online chromatograph is inst

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  • Chromatographic instrument calibration device
  • Chromatographic instrument calibration device
  • Chromatographic instrument calibration device

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Embodiment Construction

[0018] The implementation of the present invention is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0019] The chromatograph calibrating device of the invention can be applied to the gas chromatographic analysis (DGA) of the insulating oil of the transformer of the electric equipment, and the on-line chromatograph is calibrated.

[0020] see Figure 1 to Figure 3 , The chromatograph calibration device of a preferred embodiment of the present invention mainly includes an upper cylinder body 1, a lower cylinder body 2, an external pipelin...

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Abstract

The invention provides a chromatographic instrument calibration device. A closed circulating space is formed by an upper cylinder body, a lower cylinder body and an external pipeline, and oil and gasare fully mixed in the closed circulating space under the action of a circulation pump to prepare standard insulating oil. The device uses a temperature controller to simulate an operating environmentof the insulating oil in actual equipment and realizes the calibration of an on-line chromatographic instrument under different environments by changing temperature and other parameters. The lower cylinder body is provided with an oil sample sampling port, which can realize off-line sampling for chromatograph detection in a laboratory. In addition, the whole calibration device is arranged on a movable cart, so that the device has mobility and is more convenient to use. The chromatographic instrument calibration device can simultaneously detect and evaluate technical indexes such as test accuracy, test response time and the like of a plurality of on-line chromatographic instruments; and the oil sample can be recycled so as to save cost.

Description

technical field [0001] The invention relates to a calibration device, in particular to a calibration device for an online chromatograph. Background technique [0002] For a long time, dissolved gas analysis (DGA) in insulating oil (including transformer oil and capacitor oil)—gas chromatographic analysis, has been recognized by countries all over the world as an important tool for monitoring and diagnosing early failures of oil-filled power equipment and preventing catastrophic failures. the best method. With the development of condition-based maintenance of power equipment, it is becoming more and more important to use online chromatograph to detect the content of various characteristic gases dissolved in transformer insulating oil in real time. The most basic thing is to accurately test the online chromatograph. real-time evaluation. [0003] The initial analysis of dissolved gas in oil is based on laboratory analysis and detection technology. Oil samples are collected o...

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Application Information

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IPC IPC(8): G01N30/00
Inventor 彭伟周新雅
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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