Method for manufacturing packed column for separating oil gas used for electric power insulation
A technology of packed column, oil and gas, applied in the direction of material separation, analysis material, measuring device, etc. It can solve the problems of inability to monitor transformer operation status in time, poor separation, off-line chromatography is not suitable for on-line monitoring, etc., so as to facilitate on-line fault monitoring , the effect of simple preparation method
Active Publication Date: 2013-07-31
北京华电云通电力技术有限公司
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Problems solved by technology
However, off-line chromatography is not suitable for on-line monitoring, and cannot monitor the operation status of transformers in a timely manner. For a long time, on-line chromatography often affects fault monitoring due to low column efficiency and poor separation.
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[0014] In the following, the present invention will be described more fully. This invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
[0015] The invention is used for the preparation method of the packed column for separating oil and gas for electric insulation, and the materials used are:
[0016] 1) Stainless steel column tube:
[0017] Three specifications of stainless steel column tubes are used: stainless steel column tubes with outer diameter φ3mm, inner diameter φ2mm, and length 6m; stainless steel column tubes with outer diameter φ3mm, inner diameter φ2mm, and length 2.5m; stainless steel column tubes with outer diameter φ6mm, inner diameter φ5mm, and length 0.25m column tube.
[0018] 2) Reagent: Prope...
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The invention discloses a method for manufacturing a packed column for separating oil gas used for electric power insulation. The method is used for separating a solvent gas mixture when a transformer performs online gas chromatography monitoring on insulating oil. The method mainly utilizes chromatographic columns of GDX-502 and GDX-501 and stationary phases of 5A and 13X respectively. The stationary phases are filled into two stainless steel column tubes with different lengths based on a certain proportion respectively, and stainless steel meshes or quartz glass cotton is used for sealing and plugging two ends of each chromatographic column, and the two columns are formed through activation at different temperatures respectively. The method is simple, six fault characteristic gases of H2, CO, CH4, C2H4, C2H6 and C2H2 can be effectively separated, and the transformer of a transmission and transformation station is conveniently operated on a spot so as to perform online fault monitoring.
Description
technical field [0001] The invention relates to a method for preparing a packed column used for separating oil and gas for electric insulation. Background technique [0002] In order to monitor latent faults of large transformers, it can be used to monitor H dissolved in transformer oil 2 , CO, CH 4 、C 2 h 4 、C 2 h 6 、C 2 h 2 and other 6 kinds of fault characteristic gases, and the gas mixture is always separated from the transformer oil. Traditional detection methods use offline methods. That is, take out the oil sample from the transformer → degas → inject the released gas sample into the traditional domestic (such as GC-900SD produced by Shanghai Haixin Chromatograph Co., Ltd., GC-2008 network produced by Changsha Biaopu Analytical Instrument Co., Ltd. Chromatography, etc.) or imported (such as GC-2014SD produced by Shimadzu & Agilent 7890A produced by Agilent Technologies Co., Ltd.) gas chromatograph to detect the gas content of dissolved gas components in trans...
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IPC IPC(8): G01N30/60
Inventor 梁轩伟贺石华安晨光曹健杜小琴
Owner 北京华电云通电力技术有限公司