Leakage-free detection system and method for sealing device with collecting device

Abstract

The invention discloses a leakage-free detection system and method for a sealing device with a collecting device. The leakage-free detection system comprises the sealing device used for loading or conveying volatile organic materials and sealing mechanisms which are arranged at all sealing points of the sealing device and used for conducting sealing through isolation liquid, wherein a liquid inletport of an isolation liquid inlet pipe connected to an isolation liquid inlet in each sealing mechanism is connected with a liquid outlet of a pressure accumulator through an isolation liquid inlet main pipeline; the outlet end of a high-pressure gas-liquid mixture discharging pipe connected to a high-pressure gas-liquid mixture outlet in each sealing mechanism is connected to a normal-pressure gas-liquid mixture storage box through a high-pressure gas-liquid mixture collecting pipeline; a liquid outlet pipe of the normal-pressure gas-liquid mixture storage box is connected with a pressure accumulator liquid inlet of the pressure accumulator through a pump; and a gaseous material discharging pipe of the normal-pressure gas-liquid mixture storage box is connected with a gaseous material treatment device used for collecting and treating gaseous materials. The leakage-free detection system is simple in structure, easy to operate and low in mounting cost and can be applied to leakage-freedetection systems.

Description

technical field [0001] The present invention relates to an anti-leakage system. In particular, it relates to a leak detection free system and method for a sealing device with a collecting device. Background technique [0002] So far, only devices with double-end mechanical seal assemblies are free from leak detection systems in oil refineries, chemical plant equipment and pipeline assembly sealing points worldwide. Other seals such as packings, packings, gaskets, gaskets and all static seals are not exempt from leak detection. [0003] Such as figure 1 , figure 2 As disclosed in the invention patent application with application number 2018107591814 "Sealing structure and sealing method of high-pressure liquid or gas barrier flange", a non-mechanical sealing mechanism 3 is provided between the upstream and downstream flanges 2, And through the upstream and downstream sides of the sealing mechanism 3, the spacer liquid 4 that can prevent the gaseous material in the materi...

AI Technical Summary

Problems solved by technology

Unless it complies with item 8.3.2 of the "Volatile Organic Compound Fugitive Emission Control Standard" GB37822-2019, it can be exempted from detection and repair, but there is no online detection of seal failure for each non-double-end mechanical seal sealing point and alarm technology and methods, and cannot be equipped with equipment and pipeline components for the seal failure detection and alarm system for each non-double-end mechanical seal; and cannot be installed for VOCs exhaust gas leaked from each seal point of equipment and pipeline components The collection system can capture and transport the leaked VOCs to the treatment implementation; therefore, other forms of seals (such as: packing, packing, gaskets, gaskets and all static seals) of these non-double-end mechanical seals are not eligible to enjoy the exemption Treatment for Leak Detection

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