Mounting method for stop valve of crude benzene conveying system

The invention discloses a cut-off valve mounting method of a crude benzene conveying system, which provides a nitrogen purging component, a water injection component and a cut-off valve, and comprises the following steps: step S10, stopping conveying crude benzene into a conveying pipe, and determin...

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Bibliographic Details
Main Authors WANG DAOYUAN, YANG ZHIJUN, GAO JINHONG, QIU CHUNMING, XU HUAN, QIN CHANGYONG, HUO XIAOSHAN, PAN WEIJIU, LU HAIKUAN, YANG TAO, LI JINGMIN, ZHOU LINGYUN, JIANG YAOHUANG
Format Patent
LanguageChinese
English
Published 15.08.2023
Subjects
BLASTING
BROACHING
CLADDING OR PLATING BY SOLDERING OR WELDING
COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING
FILING
HEATING
LIGHTING
LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR
MACHINE TOOLS
MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PIPE-LINE SYSTEMS
PIPE-LINES
PLANING
SAWING
SCRAPING
SHEARING
SLOTTING
SOLDERING OR UNSOLDERING
STORING OF DISTRIBUTING GASES OR LIQUIDS
TRANSPORTING
WEAPONS
WELDING
WORKING BY LASER BEAM
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Summary:The invention discloses a cut-off valve mounting method of a crude benzene conveying system, which provides a nitrogen purging component, a water injection component and a cut-off valve, and comprises the following steps: step S10, stopping conveying crude benzene into a conveying pipe, and determining a pipe section on which the cut-off valve needs to be mounted on the conveying pipe to obtain a mounting pipe section; s20, a nitrogen purging part is used for purging nitrogen into the mounting pipe section, the nitrogen purging duration is T1, so that residual crude benzene in the mounting pipe section is discharged through the nitrogen, then a water injection part is used for injecting water into the mounting pipe section, the water injection duration is T2, and the residual crude benzene in the mounting pipe section is discharged through flowing water; and S30, the installation pipe section is cut off, and the cut-off valve is installed at the cut-off position of the installation pipe section. According to
Bibliography:Application Number: CN202310632158