Balance gas equipressure transfer device and method applied to preparation process of transformer oil chromatographic analysis standard oil
A chromatographic analysis and transformer oil technology, applied in measuring devices, analytical materials, instruments, etc., can solve the problems of poor stability, gas redissolving, and inability to use transformer oil chromatographic analysis for a long time, to ensure accuracy and stability, avoid The effect of gas redissolving
Active Publication Date: 2015-02-25
JIANGSU ELECTRIC POWER RES INST +3
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Problems solved by technology
[0002] At present, various factors tend to cause gas back-dissolving and incomplete equilibrium gas transfer during the process of standard oil preparation in transformer oil chromatographic analysis. In this way, the prepared standard oil will not only have a distorted concentration, but also have relatively low stability. Poor, cannot be used for long-term chromatographic analysis of transformer oil
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Embodiment Construction
[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, a balance gas isobaric transfer device in the preparation process of standard oil for chromatographic analysis of transformer oil, including a standard oil preparation oil tank 1, a first cylinder 8, and a second cylinder 9, both cylinders are equipped with linear motors, and two cylinders A number of electromagnetic valves that can be opened and closed arbitrarily are set on the control circuit; the first cylinder 8 is used for standard oil preparation, and the second cylinder 9 is used for balance gas transfer; the inner bottom of the standard oil preparation tank 1 is equipped with an air bag 2, and the upper part of the air bag 2 It is standard oil, and the upper part of the standard oil is the balance gas.
[0016] A pressure sensor 3 is installed on the top of the standard oil preparation oil tank 1 .
[0017] There are four so...
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The invention discloses a balance gas equipressure transfer device and method applied to a preparation process of transformer oil chromatographic analysis standard oil. The balance gas equipressure transfer device comprises a standard oil preparation tank, a first air cylinder and a second air cylinder, wherein the two air cylinders are both provided with linear motors; control circuits of the air cylinders are provided with a plurality of electromagnetic valves which can be switched on and off randomly; the first air cylinder is used for preparing the standard oil; the second air cylinder is used for transferring a balance gas; the bottom in the standard oil preparation tank is provided with an air bag; the standard oil is arranged above the air bag; the balance gas is arranged above the standard oil. The balance gas equipressure transfer method applied to the preparation process of transformer oil chromatographic analysis standard oil solves the difficulty of concentration change of prepared standard oil, which is caused by the fact that oil and gas balance is easily damaged by balance gas transfer during the preparation process of transformer oil chromatographic analysis standard oil. The standard oil prepared by the method has the characteristics of accurate target concentration, high stability and the like.
Description
technical field [0001] The invention relates to a balance gas isobaric transfer device and method thereof in the preparation process of standard oil for chromatographic analysis of transformer oil. It belongs to the technical field of power system machinery. Background technique [0002] At present, various factors tend to cause gas back-dissolving and incomplete equilibrium gas transfer during the process of standard oil preparation in transformer oil chromatographic analysis. In this way, the prepared standard oil will not only have a distorted concentration, but also have relatively low stability. Poor, cannot be used for long-term chromatographic analysis of transformer oil. In today's electric power industry, when transformer oil chromatographic analysis is becoming more and more important, it is necessary to prepare a true, accurate and credible standard oil for transformer oil chromatographic analysis. Contents of the invention [0003] The technical problem to be...
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IPC IPC(8): G01N30/06
Inventor 朱洪斌余翔张建国陈大兵刘建军李成钢
Owner JIANGSU ELECTRIC POWER RES INST