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Valve maintenance method and experimental method and system for determining optimal maintenance parameters

An experimental method and technology of an experimental system, applied in the field of valve maintenance, can solve problems such as not optimizing maintenance methods, and achieve the effects of large invisible economic benefits, reduction of hot work, and strong operability.

Pending Publication Date: 2022-04-29
PIPECHINA SOUTH CHINA CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods only involve the basic operation methods of valve maintenance, and do not specifically propose the most economical and optimal maintenance methods for a specific valve.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0064] Experimental materials: Statistics were made on the size and manufacturers of ball valves at key positions in oil and gas pipelines operated by an oil and gas pipeline company, and data on soft seals of different types of ball valves (namely soft seals A1, A2, A3) were obtained; at the same time, the oil and gas pipeline company used The brands of lubricating grease and cleaning fluid are counted, and data of different types of cleaning fluids (ie cleaning fluids B1, B2, B3, B4) and different types of greases (ie greases C1, C2, C3, C4) are obtained.

[0065] Experimental equipment: cutting equipment (for cutting samples), soaking container (for soaking samples), metallographic microscope (for observing the internal structure of samples), infrared spectrometer (for observing the internal structure of samples), scanning electron microscope (for Observe the internal structure of the sample), electronic analytical balance (for weighing the sample), electric blast drying ove...

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Abstract

The invention provides a valve maintenance method and an experiment method and system for determining optimal maintenance parameters, and belongs to the technical field of valve maintenance. The experimental method comprises the following steps: determining the optimal impurity removal time of a cleaning solution by observing the impurity removal effect of the old sealing ring in the soaking process of the cleaning solution; determining the first minimum sealing damage time of the cleaning solution and the second minimum sealing damage time of the lubricating grease by observing the structural damage condition of the new sealing ring in the soaking process of the cleaning solution and the lubricating grease; and on the basis of the optimal impurity removal time and the first minimum sealing damage time, first optimal soaking time is optimized, the second minimum sealing damage time is determined as second optimal soaking time, and the first optimal soaking time and the second optimal soaking time are determined as optimal maintenance parameters of the oil and gas pipeline valve. The method is safe, reliable, high in operability and capable of guaranteeing the integrity of valve maintenance in the production and operation process of a pipeline transportation enterprise.

Description

technical field [0001] The present invention relates to the technical field of valve maintenance, in particular, to an experimental method for determining the optimal maintenance parameters of oil and gas pipeline valves, an experimental system for determining the optimal maintenance parameters of oil and gas pipeline valves, and a method for determining the optimal maintenance parameters of oil and gas pipeline valves. Maintenance method. Background technique [0002] During the storage and transportation of oil and gas pipelines, valves are needed to control the flow and cut-off of oil or gas, but the valves need to be maintained regularly after long-term use, otherwise leakage, leakage, etc. will easily occur, and even cause The fire threatens the life and property safety of staff and surrounding residents. [0003] At present, there is no complete set of valve maintenance technology in terms of valve maintenance and construction of long-distance oil and gas pipelines. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/003
CPCG01M13/003
Inventor 李开鸿冯亮刘俊江杨大柯李振徐洪敏温皓阮超赵荣
Owner PIPECHINA SOUTH CHINA CO
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