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libs measuring tube

A technology of measuring tube and scraper, applied in the field of LIBS measuring tube, can solve disadvantages and other problems

Active Publication Date: 2018-08-21
KALI & SALZ AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Time lag between sampling and measurement is disadvantageous

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0098] The measuring tube was developed with the basic idea that it consists of a double tube system in which the focusing tube operating in real-time on-line mode of operation should be operated as close as possible above the salt surface for the required inert gas environment , but with as little surface contact as possible by the autofocus device, or alternatively, the focusing tube should be inserted into the salt. In the case of contact between the focusing tube and the salt, a double tube (manual measuring tube) with a manual inner tube scraper (in the online run, capable of automatically And scrape according to the clock beat). The outer tube constitutes the external scraper. In the inner tube (corresponding to the focusing tube) another tube is placed as an internal scraper.

[0099] Manual measuring tubes are installed vertically above the horizontal conveyor belt. Boiled salt is conveyed on said conveyor belt.

[0100] The measuring tube is first installed so tha...

Embodiment 2

[0114] use according to figure 1 The automatic measuring tube of, in automatic operation, can realize the favorable measuring performance similar to embodiment 1.

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PUM

PropertyMeasurementUnit
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Abstract

(EN) The invention relates to a special LIBS measurement tube focusing unit, referred to simply as LIBS measurement tube, for vertically dipping into a material to be analyzed, which material is moved in a horizontal flow, characterized in that the measurement tube extends vertically and is internally hollow and open at least at the bottom end, such that a bottom edge is formed at the bottom end, the measurement tube has an inlet for coupling in a laser beam and an outlet for coupling out an emission spectrum at the upper end, the measurement tube is constructed in such a way that, in the measurement tube, the laser beam is focused at the material to be analyzed, specifically bulk material, in particular raw, intermediate, and end products from the processing of potash, magnesium, rock salt, or evaporated salt, but without additional scattering and deflection occurring, such that a plasma of the material to be analyzed is produced within the measurement tube by the laser radiation and the emission spectrum of the material to be analyzed reaches the outlet for outcoupling through the interior of the measurement tube, and scrapers (1, 2) lie on the inner and outer focusing tube wall annularly, preferably at the same vertical height on the focusing tube (3), which scrapers are arranged in such a way that the scrapers can be moved vertically in relation to the focusing tube (3), such that material to be analyzed that adheres to the focusing tube (3) on the inside and outside in the lower region can be scraped off by a relative motion of the focusing tube (3) in relation to the scrapers (1, 2).

Description

technical field [0001] The present invention relates to a special LIBS measuring tube, an on-line LIBS analysis unit comprising the LIBS measuring tube and a corresponding method, said LIBS measuring tube enabling (in particular) analysis of elements (preferably Sulfur) on-line analysis, the online LIBS analysis unit is used to qualitatively and / or quantitatively determine single or multiple chemical elements in the material in the horizontal flow when the material to be analyzed moves through the material, said to be analyzed materials, especially loose (Schüttgut) materials, especially primary, intermediate and final products in the production of potash and magnesium fertilizers or in the production of rock salt or table salt. Background technique [0002] Laser-induced plasma spectroscopy (LIPS), also known as laser-induced breakdown spectroscopy (LIBS), is a fast and non-contact measurement method for Elemental analysis of solid, liquid or gaseous substances is possible...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/443G01N21/71G01N21/85
CPCG01N21/718G01J3/0291G01J3/443G01N21/8507G01N2021/152G01N2021/8592G01N2201/06113G02B7/023
Inventor U-W·利斯纳T·雷斯特J·韦希特J·马科韦V·莫尔肯斯C·D·盖伦
Owner KALI & SALZ AG