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Density measurement with gamma backscattering

A technology of backscattering and gamma rays, applied in the direction of specific gravity measurement, measuring device, material analysis using wave/particle radiation, etc., can solve the problem of increasing protection demand

Inactive Publication Date: 2008-05-21
思姆菲舍尔科技公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, overcoming container size limitations with larger sources may lead to increased protection requirements at additional cost

Method used

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  • Density measurement with gamma backscattering
  • Density measurement with gamma backscattering
  • Density measurement with gamma backscattering

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Embodiment Construction

[0032] In one aspect, embodiments disclosed herein relate to the measurement of the density of a fluid in a container using gamma rays. In other aspects, embodiments disclosed herein relate to the measurement of the density of fluids in containers using gamma rays when the diameter of the container is greater than 1 meter. In particular, embodiments disclosed herein relate to the measurement of the density of a fluid in a container by detecting the intensity of gamma rays from a gamma ray source that are backscattered by the fluid.

[0033] As used herein, "backscatter" may refer to the deflection of gamma rays from an original direction. In some embodiments, backscattering may be isotropic, eg, where gamma rays are randomly scattered in various directions. Backscattering occurs due to Compton scattering.

[0034]As used herein, "fluid" refers to gases, liquids and solids that can be contained in a container. Fluids may include aqueous liquids, organic liquids, single-phase...

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Abstract

A system for measuring the density of a fluid in a vessel, the system including: at least one gamma-ray source positioned proximate to the vessel; at least one gamma-ray detector positioned proximate to the vessel, wherein the at least one gamma-ray detector is configured to detect gamma rays backscattered by the fluid from the at least one gamma-ray source; and a translator for converting the detected gamma-ray backscatter to a density value. A method to determine properties of a fluid in a vessel, the method including: positioning a gamma-ray source proximate to the vessel; positioning a gamma-ray detector proximate to the vessel; detecting gamma rays backscattered by the fluid from the gamma-ray source with the gamma-ray detector; determining a density of the fluid based upon an intensity of backscattered gamma rays received by the gamma-ray detector.

Description

technical field [0001] Embodiments disclosed herein relate primarily to the measurement of fluid density in containers using gamma radiation. Embodiments disclosed herein are also particularly directed to the measurement of the density of a fluid in a container by detecting the intensity of gamma rays from a gamma ray source that are backscattered (backscattered or backscattered) by the fluid. Background technique [0002] Gamma rays have been used to measure the density and level of fluids in containers by employing a gamma ray source positioned opposite a gamma ray detector. This penetrating gamma ray density and level measurement method is useful where the material being measured is hazardous, extremely hot, or where direct contact measurements are not possible. Additionally, the sources and detectors are mounted to the outside of the container and do not require any modifications to the container. Gamma rays emitted by the source are absorbed or attenuated by the conta...

Claims

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Application Information

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IPC IPC(8): G01N9/24
CPCG01N9/24G01N2223/637G01N23/203G01N2223/205G01N2223/1013G01N2223/601
Inventor 亚历克斯·库利克尼古拉·巴图林亚历山大·约瑟夫·叶辛迈克尔·马斯捷罗夫
Owner 思姆菲舍尔科技公司
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