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Purging system and method

A technology of purging pipe and mixing system, applied in the field of purging system, can solve the problems of not being able to purge with hot water, affecting the purging of oil pollution, etc., and achieve the effect of obvious device superiority, obvious superiority and convenient operation.

Inactive Publication Date: 2020-09-15
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the shortcomings of the existing technology that only steam and water can be used for purging alone, and hot water cannot be used for purging, which seriously affects the effect of oil purging and cleaning, the present invention provides a purging system and method

Method used

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  • Purging system and method

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Embodiment Construction

[0019] combined with figure 1 The present invention is further described in detail, and the accompanying drawings and specific implementation methods do not limit the scope of protection claimed by the present invention.

[0020] When the device needs steam purging, the water in the water system 2 is introduced into the valve 2-1 and the steam switch regulating valve 3-1 in the mixing system 3 is closed, and the steam in the steam system 1 is introduced into the valve 1-1 and the steam switch valve 1-3 is opened, at this time the steam system 1 and the joint system 4 are connected through the steam pipeline 1-4 to realize the steam purging function.

[0021] When the device needs water purging and cleaning, the steam introduction valve 1-1 in the steam system 1 is closed, and the water three-way switching valve 2-3 is adjusted to be isolated from the steam injector 3-2 in the mixing system 3. The water system 2 is connected with the joint system 4 through the water pipeline 2...

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Abstract

The invention discloses a purging system and method. The purging system is mainly formed by a steam system, a fresh water system, a mixing system and a joint system. The purging system can adopt steamor fresh water to achieve purging independently and can mix steam and fresh water into hot water of a certain temperature to achieve hot water purging and cleaning, and the hot water temperature canbe controlled by adjusting the steam quantity. According to the purging system and method, independent purging of steam and water can be achieved, hot water purging can also be achieved, and the threepurging manners are switched freely; the steam system is provided with a steam on-off adjusting valve, and the hot water temperature of the joint system can be adjusted by controlling the steam quantity by adjusting the opening degree of the valve; and the structure is simple, operation is convenient, and the superiority to devices with no hot water system laid is remarkable.

Description

technical field [0001] The invention relates to the technical field of petrochemical plant utility engineering, in particular to a purging system and method. Background technique [0002] The utility purging system is an essential part of the petrochemical plant. It is set up for the actual needs of purging, cleaning, maintenance and replacement in the plant. It is also an essential facility for safe process operation, product quality and output. The media used in the purge system of public works generally include steam, fresh water, compressed air and nitrogen. Different types of media have different purposes and can be set according to the process characteristics and requirements of the device. [0003] Patent CN 205859607 U discloses a new type of hose station for public works, including four kinds of pipelines for material transportation. From left to right, they are nitrogen pipelines, factory air pipelines, steam pipelines and industrial water pipelines. The four group...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/02B08B9/032B08B13/00F17D1/06F17D1/08F17D3/01
CPCB08B3/02B08B9/0321B08B9/0325B08B9/0328B08B13/00B08B2203/007B08B2230/01F17D1/005F17D1/06F17D1/08F17D3/01
Inventor 刘庆耀王金富祁鲁海郭兆阳陈晨
Owner CHINA PETROLEUM & CHEM CORP