A method for measuring tank volume

A volume measurement and tank technology, applied in the field of tank volume measurement, can solve problems such as inconvenience and large errors

Inactive Publication Date: 2011-12-21
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the large error and inconvenient use of the method for measuring the volume of the

Method used

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  • A method for measuring tank volume
  • A method for measuring tank volume
  • A method for measuring tank volume

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Embodiment Construction

[0021] The present invention is described below in conjunction with specific embodiments.

[0022] In this embodiment, the tank body volume of a certain type of liquid tank truck is measured, wherein the tank body is a square ellipse cross-section, and the tank body includes a tank shell 1, a dish-shaped head 4, a head-type bulkhead 2, a head Type wave breaker 3 and support structure 5 have manholes 6 of different sizes, discharge holes 7 and holes for other purposes on the tank shell 1.

[0023] UG NX 3D software is used to construct the 3D model of the tank body, in which the 3D model of the tank body is an assembly composed of parts, and the parts include tank shell 1, dish head 4, head type bulkhead 2, head type Wave breakers 3 and supporting structures 5, such as figure 1 as shown, figure 1 It is a structural perspective view of a compartment in the tank.

[0024] Convert the tank shell 1, dish head 4, head bulkhead 2, head wave breaker 3 and support structure 5 in the...

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Abstract

The invention provides a method for measuring the volume of a tank. Firstly three-dimensional CAD (computer-aided design) software is adopted to construct a three-dimensional model of the tank, parts are switched to a part environment from an assembly environment, and assembling position relationship of the parts is maintained to be constant; in the part environment, holes formed on a tank shell are filled into solids, a bulkhead, a wave-resisting board and a sealing head are amplified to be in body intersection with the tank shell, and a surface is moved so that a support structure and the bulkhead, and the wave-resisting board and the sealing head are in solid intersection with each other, respectively; and Boolean summation is carried out on the parts after being treated so as to obtain a tank solid, a closed inner spatial surface of the tank solid is acquired, the interior of a closed curved surface is converted into the solid, and the volume of the solid is measured, thus obtaining the volume of the tank. By adopting the method provided by the invention, accurate volume of the complex inner space of the tank can be obtained under the lower computer hardware condition. Measurement error is improved to be within 0.5%; and the method provided by the invention has no restriction on a three-dimensional software platform; therefore, the method provided by the invention can be applied to accurate measurement of volume on multiple software platforms.

Description

technical field [0001] The invention relates to the technical field of volume measurement methods, in particular to a tank volume measurement method. Background technique [0002] At present, when transporting various liquids, liquefied gases and powdery goods, tankers are used for transportation. When designing tank trucks, it is very important to accurately obtain the volume of the tank. The deviation of volume measurement will bring economic losses to the upstream or downstream enterprises of the transportation chain. Therefore, the accuracy of tank volume measurement must be ensured. Due to the complex structure of the tank car, there are various cross-sectional shapes, heads, bulkheads, wave breakers, support structures, etc., and the space inside the tank has great irregularities, so it is difficult to accurately measure the volume of the tank. Moreover, at present, most enterprises use two-dimensional CAD software to design the tank body, and its volume can only be o...

Claims

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Application Information

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IPC IPC(8): G01F17/00
Inventor 万能莫蓉姚都常智勇孙惠斌
Owner NORTHWESTERN POLYTECHNICAL UNIV
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