Method for measuring elevation of bottom of tank with liquid and method for measuring volume of bottom of tank with liquid
A technology of elevation measurement and tank bottom, which is applied in the direction of measuring capacity, volume measuring instrument/method, liquid/fluid solid measurement, etc. It can solve the problems of complicated operation and danger, and achieve the effect of simple operation
Active Publication Date: 2012-07-25
CHINA PETROLEUM & CHEM CORP
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[0013] The purpose of the present invention is to overcome the defects of complicated operation and danger in the existing method for measuring the height of the tank bottom of vertical metal tanks with external floating roofs, and to provide a method for measuring the height of the tank bottom with liquid that is easy to operate, safe and reliable
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[0025] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0026] The invention provides a method for measuring the elevation of the tank bottom with liquid, which is used for a vertical metal tank 1 with an outer floating roof, and the vertical metal tank 1 with an outer floating roof includes a floating roof 2 and a plurality of Floating roof columns 7, the plurality of floating roof columns 7 pass through the floating roof 2 and are supported by the tank bottom of the outer floating roof vertical metal tank 1, and the method for measuring the height of the tank bottom with liquid includes the following steps:
[0027] Determine a horizontal plane S (such as a level can be used);
[0028] The tank bottom elevation gauge 8 is used to measure the distance between the top of the floating roof column 7 and the horizontal plane S, so as to obtain the measured value of the tank bottom elevation at the posit...
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The invention discloses a method for measuring the elevation of the bottom of a tank with liquid, which is used for an external floating roof vertical metal tank. The metal tank comprises a floating roof and a plurality of floating roof upright posts, wherein the floating roof upright posts pass through the floating roof and are supported by the bottom of the metal tank. The method comprises: determining a level plane; and measuring the distance from the top ends of the floating roof upright posts to the level plane with a tank bottom elevation ruler to obtain the measured values of the elevations of the bottom of the tank at the positions of all floating roof upright posts. The invention also discloses a method for measuring the volume of the bottom of the tank with liquid, which is usedfor the external floating roof vertical metal tank. The method comprises: measuring the elevation of the edge part of the bottom of the tank, and measuring the elevation of the bottom of the tank according to the method for measuring the elevation of the bottom of the tank with liquid; and obtaining the measured value of the elevation of the edge part of the bottom of the tank the measured value of the elevation of the bottom of the tank according to the measurement of the elevation of the edge part of the bottom of the tank and the measurement of the elevation of the bottom of the tank, and calculating the volume of the bottom of the tank. The method for measuring the elevation of the bottom of the tank with liquid and the method for measuring the volume of the bottom of the tank with liquid make operation simpler and more convenient and are safer and more reliable.
Description
technical field [0001] The invention relates to the verification field of large metal tanks, in particular to a method for measuring the elevation of the liquid-filled tank bottom and a method for verifying the capacity of the liquid-filled tank bottom for vertical metal tanks with external floating roofs. Background technique [0002] Vertical metal tanks are the main measuring instruments for international trade settlement of petrochemical products, as well as important measuring instruments and storage equipment for domestic petroleum, liquid petroleum products and other liquid goods trade settlement, delivery and transfer. The vertical metal cans that pass the inspection can be used as measuring instruments for trade settlement, sending and receiving. Therefore, in the field of petrochemical industry, the verification work of vertical metal tanks is very important. [0003] The vertical metal tank with external floating roof is a kind of vertical metal tank. According ...
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IPC IPC(8): G01B5/02G01F17/00
Inventor 董绍平陈磊邢军韩卫民汪海勇
Owner CHINA PETROLEUM & CHEM CORP