Liquid tank without free liquid level

A liquid tank, liquid level technology, applied in the direction of bulk cargo, etc., can solve problems such as controlling sloshing load

Inactive Publication Date: 2012-02-08
中国船舶重工集团公司第七〇二研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few studies on this aspect, mainly to study the magnitude of sloshing load under the condition of free liquid surface, so

Method used

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  • Liquid tank without free liquid level
  • Liquid tank without free liquid level
  • Liquid tank without free liquid level

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] Such as figure 1 , 2 As shown, the non-free surface tank 100 includes a tank body 1, the tank body 1 is composed of a bilge 101 and a bulkhead 102 extending vertically upward around the bilge 101, and the cross section of the bulkhead 102 is circular, square or Other polygons, the hatch cover 2 is movably installed on the top of the liquid tank body 1, the shape of the hatch cover 2 is adapted to the shape of the bulkhead 102, the hatch cover 2 matches the inner side of the bulkhead 102 and is provided with a sealing ring 5, the hatch cover 2 The inner side is provided with the probe 3 of the dielectric constant measuring instrument, which is used to measure the dielectric constant of the material near the upper surface of the liquid in the liquid tank, and use the dielectric constant to judge whether a free liqu...

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PUM

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Abstract

The invention relates to a liquid tank without a free liquid level, which is characterized by comprising a liquid tank body; the liquid tank body consists of a tank bottom and tank walls which vertically extend upwards on the periphery of the tank bottom; a tank cover is movably mounted at the upper part of the liquid tank body; a sealing ring is arranged between the tank cover and the inner sides of the tank walls; the inner side of the tank cover is provided with a probe of a dielectric constant measuring instrument; and the outer side of the tank cover is connected with a hydraulic oil cylinder. The inner side of the tank cover of the liquid tank without the free liquid level is provided with the probe of the dielectric constant measuring instrument, which is used for measuring the dielectric constant of a substance near the upper surface of liquid in the liquid tank; the dielectric constant is used for judging whether the free liquid level is formed in the liquid tank or not; the position of the tank cover is automatically regulated, thereby eliminating the free liquid level in the liquid tank, so that the liquid tank is always in a full-tank state; the damage to a liquid tankstructure is decreased; safety misadventures such as leakage and the like are prevented from occurring; the risk of the damage to local and overall structures of a ship or other liquid transporting tools is decreased; and the running safety and the stability of the transporting tools are guaranteed.

Description

technical field [0001] The invention relates to a container for liquid transportation, in particular to a liquid tank without free liquid surface, which eliminates the occurrence of sloshing load in the liquid tank and ensures the running stability of the transport tool. Background technique [0002] Liquefied natural gas, petroleum, chemical and food fields need liquid transportation. During transportation, the liquid will shake and vibrate in the liquid tanks of ships, trains and automobiles, and impact the inner wall of the liquid tank, that is, the sloshing load , this kind of internal load will not only cause damage to local weak structures such as welds and corners, resulting in safety accidents such as leakage; it will also have a significant force on the entire transport tool, which will have a greater impact on the stability of the transport tool impact, especially on ships transporting liquids. In order to minimize the sloshing load caused by the existence of the ...

Claims

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Application Information

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IPC IPC(8): B63B25/12
Inventor 汪雪良顾学康
Owner 中国船舶重工集团公司第七〇二研究所
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