API Std 650 aboveground oil storage tanks impulsive water parameters
Application scope of API 650 petroleum storage tank:1. API Std 650 aboveground oil storage tanks Working pressure: atmospheric storage tank;2. API 650 petroleum storage tank working temperature: -30℃～150℃;3. API 650 petroleum storage tank liquid medium: various oil products, including naphtha, gasoline, diesel, kerosene, crude oil, fuel oil, heavy oil, benzene, xylene, methanol, ethanol;4. API 650 petroleum storage tank volume: current design considerations generally do not exceed 10,000 cubic meters.
In this project a cylindrical tank 75 ft in diameter is designed for an internal pressure of 0.5 lbf/in.2 gauge in the vapor space. The plate material is ASTM A131 Grade B steel for thicknesses of 1/2 in. and less.The top course of the butt-welded cylindrical sidewall is 1/4 in. thick. The tank API Std 650 aboveground oil storage tanks roof is a conical shape with a 2:12 slope and a 1/4 in. thickness with single full-fillet welded lap joints. The maximum design liquid level is 6 in. below the plane of juncture of the roof and sidewall.
Inspection of API Std 650 aboveground oil storage tanks bottom: magnetic flux leakage scanning technology is used to detect the corrosion condition of API Std 650 aboveground oil storage tanks bottom plate (such as corrosion depth and area, crack length, etc.). When there is a defect in the bottom plate of the API Std 650 aboveground oil storage tanks, the magnetic field distribution will change and the sensor can detect it. The bottom of the oil tank should be free of foreign matters and dry during testing. Weld inspection of API Std 650 aboveground oil storage tanks bottom plate: when vacuum leak test method is used to detect the tightness of oil tank bottom plate, soap water shall be applied to the weld and vacuum box shall be covered for observation.
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In the process of API Std 650 aboveground oil storage tanks steel transportation, enterprises often use railway transportation, highway transportation, water transportation and other ways to transport. According to the cargo owner's requirements on the timeliness of the goods and the different transportation routes, our company will choose API Std 650 aboveground oil storage tanks different modes of transportation. According to the specific needs of customers, or specify the mode of transportation.
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