Gas blockage prevention device for petroleum pipeline

Abstract

The invention discloses an anti-gas-blocking device for a petroleum pipeline, belongs to the technical field of petroleum pipelines, and aims to solve the problems that the gas position is difficult to determine, the exhaust position is difficult to position, and if the spacing distance of exhaust mechanisms arranged on the pipeline is large, the gas cannot be blocked even if the exhaust position is determined and the distance between the exhaust position and the gas position is long. And the exhaust efficiency is poor. According to the device, through the cooperation effect of a vertical control disc, a dispersed driving disc and an extension combination plate, the extension combination plate is in an unfolded state, a follow-up pressure relief end integrally moves upwards, an arc-shaped air outlet groove is exposed, the interior of an inner clamping ring sleeve communicates with the outside, gas is discharged along the arc-shaped air outlet groove, and then gas in a petroleum pipeline is discharged; after the exhaust work is completed, the device can spontaneously recover to the initial state, the multiple sets of small suction pipes conduct centralized exhaust through the gas-blocking-preventing assemblies, and the number of gas-blocking-preventing devices arranged on the petroleum pipeline is reduced.

Description

technical field [0001] The invention relates to the technical field of petroleum pipelines, in particular to a gas blocking device for petroleum pipelines. Background technique [0002] The oil pipeline is composed of oil pipes and their accessories, and is equipped with corresponding oil pump units according to the needs of the technological process. It is designed and installed into a complete pipeline system to complete the tasks of oil handling and transportation. The oil pipeline system is ready to use. The pipeline system for the transportation of petroleum and petroleum products is mainly composed of oil pipelines, oil stations and other auxiliary related equipment. Compared with railway and road oil transportation in land transportation, pipeline oil transportation has the characteristics of large transportation volume, good airtightness, low cost and high safety factor. [0003] In the process of oil transportation, a large amount of gas is likely to appear in the ...

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Problems solved by technology

[0005] The purpose of the present invention is to provide an anti-gas blockage device for petroleum pipelines, which solves the problem that in the background technology, during the transportation of petroleum, a large amount of gas is likely to appear inside the pipeline. The existing position is difficult to determine, and the exhaust position is not easy to locate. If the distance between the exhaust mechanism equipped with the pipeline is large, even if the exhaust position is determined, the distance between the exhaust position and the position where the gas exists is relatively long, and the exhaust The efficiency is poor, and if there is too much gas, the equipped device cannot discharge the gas in time. Under the combined action of the internal materials, the internal pressure gradually increases, and the internal components of the pipeline are easily damaged.

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