An outdoor liquid storage tank

Abstract

The invention discloses an outdoor liquid storage tank. The outdoor liquid storage tank is characterized in that a nitrogen pipeline 2 is arranged on the side surface of the upper portion of a tank body in a communicating mode, a nitrogen sealing valve is arranged on the nitrogen pipeline 2 and is connected to an outlet of a nitrogen tank through a pressure reducing valve, the top of the tank bodyis provided with a ventilation elbow, a one-way exhalation valve is arranged at the ventilation elbow, an oil inlet is connected with an oil pipe penetrating through a nitrogen sealing layer, the lower end of a manual oil pouring opening is connected to an oil liquid isolation area, the oil liquid isolation area penetrates through the nitrogen sealing layer to communicate to the bottom of the tank body, a liquid pressure release valve is arranged on the side wall of the bottom of the oil liquid isolation area 6, the upper portion of the oil liquid isolation area is provided with a one-way airvalve communicating with the nitrogen sealing layer, the manual oil pouring opening is covered by a sealing cover with the one-way air valve, an oil outlet is formed in the side face of the lower portion of the tank body, and a stop valve is arranged at the end portion of the oil outlet. According to the outdoor liquid storage tank, leakage can be prevented, a liquid can be cooled, normal air pressure in the tank body can be maintained, and the safety of the outdoor liquid storage tank is greatly improved.

Description

technical field [0001] The invention relates to the field of liquid storage, in particular to an outdoor liquid storage tank. Background technique [0002] At present, in various chemical plants, gas stations and other places, large storage tanks need to be installed to store various liquid chemical raw materials or liquid fuels such as fuel oil. Many of these liquids are flammable and explosive, and special attention must be paid to fire prevention and cooling during storage, as well as to ensure the safety of production and personnel. Moreover, many flammable liquid substances are volatile or toxic, so it is necessary to try to ensure their isolation from the outside world. However, many storage tanks are located outdoors due to needs, and sometimes liquids need to be manually poured in. Once the temperature rises, it is difficult for existing storage tanks to effectively avoid liquid vaporization and leakage caused by high temperatures, so safer storage tanks are needed....

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an outdoor liquid storage tank to solve the defects in the prior art that the storage tanks in the prior art tend to vaporize and leak flammable liquid gas when the temperature rises, leading to combustion or even explosion, and lack of safety

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