Device and procedure to determine density of liquid

A technology of liquid density and equipment, which is applied in the direction of material analysis by observing submerged objects and material analysis by measuring buoyancy, and can solve problems such as being entangled in instruments and hindering measurement

Active Publication Date: 2016-02-10
FAFNIR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this design is that the chains in the lateral flow that occur in the tank during filling can wrap around the instrument and thus hinder the measurement

Method used

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  • Device and procedure to determine density of liquid
  • Device and procedure to determine density of liquid
  • Device and procedure to determine density of liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] in figure 1 First, a conventional filling level and separation layer measuring system 1 is shown, which is provided with a magnetostrictive position measuring system and can be installed in a storage tank for liquids, for example.

[0040] The filling level and separation layer measuring system 1 has a protective tube 2 which extends to an end expansion 3 at its lower end. In the installed state, the end expansion part 3 is slightly in front of the deepest part of the storage tank.

[0041] In the interior of the protection tube 2, the measurement line of the magnetostrictive position measurement system extends on the longitudinal axis of the protection tube, and the measurement line is guided to the electronic device unit 4. The electronic device unit 4 includes an interface 5 on its upper side for connecting a signal cable, which can be connected to an external evaluation and control device.

[0042] Magnetostrictive position measurement systems are known as explained at th...

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PUM

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Abstract

Provided is a device to determine density of liquid. The device comprises a buoyancy body (20), at least a measuring spring (30,40) acted on the buoyancy body (20), and a magnet (28). The elastic deformation of the measuring springs is measurement of the buoyancy of the buoyancy body (20). The magnet is used to detect the elastic deformation of the measuring springs (30,40) by using a magnetostrictive position measuring system. The quotient of the mass and volume of the buoyancy body (20) is larger than to-be-determined density, for example, application of the buoyancy body (20) in liquefied gas is the condition. The buoyancy body (20) is bias along the direction of the buoyancy in the working regions of the measuring spring (30,40) through spring forces.

Description

Technical field [0001] The invention relates to an apparatus and method for determining the density of liquids, especially liquefied gas. The density measured or determined in this way can be used in data management at the gas station to determine the quality of the liquid to be filled and to ensure the quality. Therefore, in order to determine the quality of a liquid, its density is an important indicator. Background technique [0002] In some years, liquefied petroleum gas (LPG) was used not only for heating purposes, but also for refueling vehicles. Liquefied gas is an alternating mixture of mainly propane and butane and its isomers. In the DINEN589, DIN51618 and DIN51622 standards, the instructions for the composition and its determination are recorded. The density of liquefied gas is significantly lower than that of ordinary fuels and lies between 0.44 kg / l and 0.66 kg / l depending on temperature and composition. Because the components are subject to strong fluctuations, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/08
CPCG01N9/14G01N9/20
Inventor 沃尔夫冈·施里坦拉彻
Owner FAFNIR
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