Rainwater foam liquid turning device for sump of oil tank

Abstract

The invention discloses a rainwater foam liquid turning device for a sump of an oil tank, and belongs to the technical field of oil and gas storage and transportation. The rainwater foam liquid turning device comprises a tank body, a floating roof is arranged in the tank body, a first sealing ring is arranged between the floating roof and the tank body, the sump is arranged in the middle of the floating roof, a drainage hose is arranged at the bottom end of the sump, a connecting pipe is arranged above the sump, an opening and closing mechanism is arranged between the drainage hose and the connecting pipe, a mounting column is arranged in the position, close to the edge, of the floating roof, a first mounting ring is arranged on the mounting column, and a second mounting ring is arranged above the first mounting ring. By means of a telescopic pipe arranged between the first mounting ring and the second mounting ring, a fixed distance can be kept between an injection opening of the telescopic pipe and the floating roof all the time, the injection opening does not move along with movement of the floating roof, volatilization of foam liquid is reduced, and the fire fighting efficiency is improved; meanwhile, rainwater flow turning and foam liquid flow turning of the sump of the oil tank are integrated through the opening and closing mechanism, the fire-fighting management laying cost outside the oil tank is saved, and space in the oil tank is saved.

Description

technical field [0001] The invention belongs to the technical field of oil and gas storage and transportation, and in particular relates to a rainwater foam liquid diversion device for an oil tank sump. Background technique [0002] Oil and gas storage and transportation project is the link connecting oil and gas production, processing, distribution and sales. It mainly includes oil and gas field gathering and transportation, long-distance transmission pipelines, storage and loading and unloading, and urban transmission and distribution systems. The existing external floating roof oil tank fire fighting foam The liquid is generally transported from the fire-fighting pipeline outside the tank wall to the top of the tank wall, and then flows to the annular seal of the oil tank by gravity, because there is a certain height between the flow port of the fire-fighting foam of the existing oil tank and the annular seal of the oil tank Poor, the foam is greatly disturbed by the wind...

AI Technical Summary

Problems solved by technology

[0002] Oil and gas storage and transportation project is the link connecting oil and gas production, processing, distribution and sales. It mainly includes oil and gas field gathering and transportation, long-distance transmission pipelines, storage and loading and unloading, and urban transmission and distribution systems. The existing external floating roof oil tank fire-fighting foam The liquid is generally transported from the fire-fighting pipeline outside the tank wall to the top of the tank wall, and then flows to the annular seal of the oil tank by gravity, because the existing fire-fighting foam flow port of the oil tank has a certain height from the annular seal of the oil tank Poor, the foam is greatly disturbed by the wind direction, wind force, flame, and heat during the injection process, and it is difficult to fall into the sealing ring between the floating roof and the tank wall, and the amount of oil in the tank decreases, the floating roof moves down, and the foam injection port The distance between the seal ring and the tank wall is larger, which leads to a high foam volatilization rate, delays the golden rescue opportunity at the initial stage of the fire, and wastes foam resources

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