Loading Arm Manufacturer Hechang Machinery Co., Ltd. today shares with you what classification of tanks.
a. According to the environment: above ground storage tanks, semi-underground storage tanks, underground storage tanks, tank storage tanks, sea storage tanks
Above-ground storage tank: The bottom of the tank is located at the design elevation of ±0.00 and above; the bottom of the tank is below the design elevation of ±0.00 but does not exceed 1/2 of the height of the tank, also known as the above-ground tank.
Semi-underground storage tank: refers to the storage tank buried in the ground deeper than 1/2 of its height, and the height of the tank’s liquid level does not exceed the design elevation of ±0.00 or more and 0.2m.
Underground storage tank: refers to the oil tank with the liquid level in the tank at a design elevation of ±0.00 or less and 0.2m.
b. According to the pressure:
Atmospheric pressure storage tank: When the gas pressure side pressure of the storage tank is the same as or lower than 1/3 atmosphere (table), it is called atmospheric pressure storage tank.
Low-pressure storage tank: When it is more than 1/3 atmosphere (table) and less than 0.1MPa, it is called low-pressure storage tank.
It can be seen that the working pressure of the low pressure storage tank is greater than that of the normal pressure storage tank, but the pressure is less than 0.1 MPa.
c. According to the manufacturing materials: non-metallic storage tanks, plastic shock-proof storage tanks, soft storage tanks, metal storage tanks (steel casing lining, aluminum and alloys, etc.).
d. According to the geometric shape:
Vertical cylindrical storage tank: according to its tank top structure, it can be divided into fixed top storage tanks (cone top storage tank, vault storage tank, umbrella top storage tank, reticulated top storage tank (spherical reticulated shell), drop shape Tanks and movable top tanks (outer floating roof tanks, inner floating roof tanks without torque tanks).
Horizontal cylindrical storage tank: suitable for liquids with small storage capacity and high pressure.
Spherical storage tank: suitable for liquids with a certain storage capacity, such as liquid ammonia, liquefied petroleum gas, ethylene, etc.
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