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Device and method for preparing working standard oil for analyzing gas dissolved in oil

A technology for dissolving gas in oil and working standard, which is used in the preparation of measuring devices, analytical materials, and test samples, etc., can solve the problems of cumbersome preparation steps, time-consuming, and no portable preparation device is suitable, and achieves high preparation efficiency. Improved consistency, simple structure

Pending Publication Date: 2022-05-27
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The working standard oil in the prior art has the problems of cumbersome and time-consuming preparation steps, and there is no portable preparation device suitable for on-site use

Method used

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  • Device and method for preparing working standard oil for analyzing gas dissolved in oil
  • Device and method for preparing working standard oil for analyzing gas dissolved in oil
  • Device and method for preparing working standard oil for analyzing gas dissolved in oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Combine below figure 1 The standard oil preparation device for analyzing dissolved gas in oil in an embodiment of the present invention will be described in detail.

[0056] The embodiment of the present invention provides a standard oil preparation device for the analysis of dissolved gas in oil, such as figure 1 As shown, it includes: No. 1 mother liquor storage tank 1, No. 1 automatic injection pump 2, control host 3, No. 1 flexible storage bag 4, No. 1 oscillator 5, No. 2 flexible storage bag 6, No. 2 oscillator 7, 3 The No. 1 flexible storage bag 8, the No. 3 oscillator 9; the No. 1 oscillator 5, the No. 2 oscillator 7, and the No. 3 oscillator 9 are power components;

[0057] Described No. 1 mother liquor storage cylinder 1 is used to store the mother liquor oil sample of high-concentration dissolved gas; In the specific implementation process, the mother liquor in the described No. 1 mother liquor storage cylinder 1 adopts the dissolving method to prepare in adv...

Embodiment 2

[0072] The embodiment of the present invention provides another standard oil preparation device for the analysis of dissolved gas in oil, such as figure 2 As shown, it includes: No. 1 mother liquor storage tank 1, No. 1 automatic injection pump 2, control host 3, No. 1 flexible storage bag 4, No. 1 oscillator 5, No. 2 mother liquor storage tank 10, No. 2 automatic injection pump 11, The No. 2 flexible storage bag 6, the No. 2 oscillator 7, the No. 3 mother liquor storage tank 12, the No. 3 automatic syringe pump 13, the No. 3 flexible storage bag 8, the No. 3 oscillator 9; the No. 1 oscillator 5, the second The No. 7 oscillator and the No. 3 oscillator 9 are the power components.

[0073] Described No. 1 mother liquor storage cylinder 1, No. 2 mother liquor storage cylinder 10, No. 3 mother liquor storage cylinder 12 are used to store the oil sample of high concentration dissolved gas, namely mother liquor;

[0074] The No. 1 automatic injection pump 2 is connected with the ...

Embodiment 3

[0093] In the embodiment of the present invention, a method for preparing standard oil for analyzing dissolved gas in oil is provided, including:

[0094] The mother liquor oil sample added to the mother liquor storage tank, the concentration of the dissolved gas in the mother liquor oil sample is greater than a certain value;

[0095] Add a certain volume of blank oil to the flexible storage bag;

[0096] Using the control host, based on the concentration of the mother liquid oil sample, the volume of blank oil in the flexible storage bag, and the target concentration of the working standard oil, the volume of the mother liquid oil sample that needs to be added to the flexible storage bag in each configuration unit is calculated;

[0097] Use the control host to send work instructions to the automatic syringe pump, so that the automatic syringe pump absorbs the required volume of mother liquid from the mother liquid storage tank, and uses the automatic syringe pump to transfe...

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Abstract

The invention discloses a device and a method for preparing standard oil for analysis work of gas dissolved in oil, the device comprises a mother liquor storage cylinder, a plurality of groups of independently arranged configuration units, an automatic injection pump and a control host, and the mother liquor storage cylinder stores a mother liquor oil sample; each configuration unit comprises a power piece and a flexible storage bag which are connected; the flexible storage bag is filled with blank oil, and an inlet of the flexible storage bag is provided with an electromagnetic valve; the power piece is used for providing power; the automatic injection pump is connected with an outlet of the mother liquor storage cylinder through an electromagnetic valve, and is respectively communicated with each configuration unit through an electromagnetic valve; and the control host is connected with the control end of the automatic injection pump, calculates the mother liquor volume required by each configuration unit based on the mother liquor oil sample concentration, the target concentration of working standard oil to be prepared and the volume of blank oil in the flexible storage bag, and issues a working instruction to the automatic injection pump. According to the invention, automatic preparation of the gas-dissolved working standard oil in the oil is realized, manual operation is not needed, and the consistency of the prepared working standard oil and the theoretical concentration is improved.

Description

technical field [0001] The invention belongs to the field of dissolved gas analysis in oil, in particular to a device and method for preparing standard oil for dissolved gas analysis in oil, and more particularly to a device and method for automatically preparing standard oil for analysis of dissolved gas in oil based on mother liquor dilution . Background technique [0002] Dissolved gas analysis in oil is to detect characteristic gases in insulating oil used in power transformers and high resistance, including H 2 , CH 4 , C 2 H 6 , C 2 H 4 , C 2 H 2 , CO, CO 2 7 components. Dissolved gas analysis in oil is equivalent to a "blood test" for transformers and high-resistance equipment. Due to the need to separate the gas in the oil, and then perform the gas detection, the detection results of each instrument are prone to deviation. For this reason, working standard oils have emerged, which are the best means of calibrating analytical instruments. On the one hand, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/28G01N2001/2893
Inventor 张晓琴朱洪斌蔚超余翔刘建军陈大兵杨立恒郭东亮肖鹏
Owner STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
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