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Online sampling device and online sampling method for X-ray fluorescent spectrograph

A fluorescence spectrometer and sampling device technology, applied in the field of X-ray fluorescence spectrometer testing, can solve problems such as inability to transport liquid samples, achieve the effects of improving testing efficiency, high instrument safety performance, and avoiding the use of electrical components

Inactive Publication Date: 2011-07-20
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition to the above sample pool, there is currently an X-ray fluorescence spectrometer sample delivery device that can automatically deliver and test samples, but this device is only for solid samples and cannot deliver liquid samples

Method used

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  • Online sampling device and online sampling method for X-ray fluorescent spectrograph
  • Online sampling device and online sampling method for X-ray fluorescent spectrograph
  • Online sampling device and online sampling method for X-ray fluorescent spectrograph

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Embodiment Construction

[0022] Further illustrate the present invention below in conjunction with accompanying drawing and embodiment.

[0023] figure 1 It is a front view of the overall structure of the online sampling device of the X-ray fluorescence spectrometer of the present invention. The state shown in the figure is the initial state of the test, the sample has not yet entered, and the X-ray probe is aligned with the calibration sheet 7 . figure 2 is a top view of the overall device; image 3 It is the front view of the whole device, the state shown in the figure is after the sample enters, the X-ray probe is aligned with the sample.

[0024] The online sampling device of the X-ray fluorescence spectrometer of the present invention comprises: a sampling pool main body 1, a moving guide rail 2, a fixed mass 3, a bearing 4, an overflow pipe 5, a correction baffle 6, a correction sheet 7, a test through hole 8, a sample storage Groove 9, thin flexible rope 10, buoy 11, sample inlet pipe 12, sa...

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Abstract

The invention discloses an online sampling device and an online sampling method for an X-ray fluorescent spectrograph. The device comprises a sampling pool main body, a motion guide rail, a fixed mass block, a bearing, an overflow pipe, a correcting baffle, a correcting sheet, a test through hole, a sample storage groove, a thin soft rope, a float bowl, a sample inlet pipe, a sample outlet pipe, an inlet valve and an outlet valve. By using the device and method provided by the invention, the online sampling and test of liquid samples are realized, the test efficiency is increased, and the labor intensity of worker is relieved. By adjusting the position of the correcting baffle through gravity and buoyancy, the use of electronic elements is avoided. The device has high safety performance and can be used for testing inflammable and explosive petroleum products. Since the height of the overflow pipe is adjustable, the height of liquid level is adjustable, and further, the distance between an X-ray probe and a sample is adjustable; therefore, the device has certain flexibility in test.

Description

technical field [0001] The invention relates to a technology for collecting samples on-line and sending them into a sample storage tank for testing by an X-ray fluorescence spectrometer, in particular to an on-line sampling device and an on-line sampling method for an X-ray fluorescence spectrometer. Background technique [0002] At present, X-ray fluorescence spectroscopy is more and more widely used in petrochemical industry. Its method has a wide range of analytical elements, a wide range of analyzable concentrations, high sensitivity, small matrix effect, and strong anti-interference ability. The most notable feature is that it does not destroy the sample, and the sample can be solid, pasty, liquid or solution. In terms of analyzing the sulfur content of oil products, compared with other methods, X-ray fluorescence spectrometry has the characteristics of simple operation, fast analysis, improved analysis efficiency and reduced labor intensity. [0003] For X-ray fluores...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223
Inventor 顾超华刘通应乐斌戴连奎
Owner ZHEJIANG UNIV
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