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Regenerated sealing oil composition and gas holder using same

A technology of composition and sealing oil, which is applied in the chemical industry, can solve problems such as uneven oil temperature in the oil ditch at the bottom of the cabinet, and achieve the effects of saving equipment investment and maintenance costs, increasing viscosity, and reducing gas emission

Inactive Publication Date: 2013-08-28
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the embodiments of the present invention is to provide a seal oil that can improve the viscosity, oil-water separation, rust resistance, and low-temperature fluidity, so as to realize online non-stop maintenance of the seal oil, and at the same time solve the problem of oil drain at the bottom of the cabinet. Sealing oil regeneration composition for problem of uneven temperature and gas cabinet for its application

Method used

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  • Regenerated sealing oil composition and gas holder using same
  • Regenerated sealing oil composition and gas holder using same

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Embodiment Construction

[0015] see figure 1 and figure 2 , the sealing oil regeneration composition provided by the embodiment of the present invention, comprising: an anti-emulsifier (ie, an amine and an epoxy compound) with a weight ratio of 3% to 5% (such as 3%, 4% or 5%), and a weight ratio of 5% to 10% (5%, 8% or 10%) of pour point depressant (i.e. polyalphaolefin), 5% to 12% (5%, 9% or 12%) of rust inhibitor by weight ( That is, dodecyl butyl diacid) and naphthenic base oil (viscosity 70-320) with a weight ratio of 73% to 87% (73%, 80% or 87%). The sealing oil regeneration composition accounts for 5%-10% (such as 5%, 8% or 10%) of the volume of the gas holder. The embodiment of the present invention also provides a gas cabinet for the application of the sealing oil regeneration composition, including: an oil-water separator 9, an oil pump 10, an overflow oil tank 12, a gas cabinet body 1, a piston oil tank 2, an oil groove 7, and a connecting pipe 8 , the upper oil pipe 11 and the heating u...

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Abstract

The invention relates to the technical field of chemical engineering, particularly to a regenerated sealing oil composition. The regenerated sealing oil composition comprises, by weight, 3 to 5% of a demulsifying agent, 5 to 10% of a pour-point depressant, 5 to 12% of an anti-rust agent and 73 to 87% of naphthenic base oil. The invention further provides a gas holder using the regenerated sealing oil composition. The gas holder comprises an oil-water separator, an oil pump, an overflow fuel tank, a gas holder body, a piston oil groove and an oil gallery, wherein the oil-water separator is communicated with the oil gallery through a communicating pipe and connected with the overflow fuel tank through the oil pump, the regenerated sealing oil composition is filled in the oil-water separator, the piston oil groove is arranged in the gas holder body, and the oil gallery is arranged at the bottom of the gas holder body. The regenerated sealing oil composition can improve viscosity, oil-water separability, anti-rust performance and low temperature fluidity of sealing oil. A heating unit is arranged at the bottom of the thin oil sealed gas holder so as to overcome the problem of nonuniform oil temperature at the oil gallery located at the bottom of the gas holder.

Description

technical field [0001] The invention relates to the technical field of chemical industry, in particular to a sealing oil regeneration composition and a gas cabinet for its application. Background technique [0002] Gas cabinets are used to store recovered gas and regulate and stabilize the pressure of the pipeline network. Among them, thin oil sealed gas cabinets are widely used in metallurgy, petrochemical, city gas and other industries. Thin oil-sealed gas cabinets are sealed with thin oil. There is an oil tank between the piston of the gas cabinet and the wall of the gas cabinet. The effective oil seal height in the tank is used to seal the gas in the gas cabinet. play a role in lubrication. The performance of the sealing oil determines whether the gas holder can operate safely, and the sealing oil is required to have suitable viscosity, good oil-water separation and low-temperature fluidity. The existing thin oil sealed gas holders mainly have the following problems: o...

Claims

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Application Information

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IPC IPC(8): C10M169/04F17B1/02C10N30/12C10N30/08C10N40/34
Inventor 李杨张长海郝彦光王树忠吴礼云马青松洪雷刘继云石勇
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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