Crude salt quality detection system

Abstract

The invention discloses a crude salt quality detection system. The crude salt quality detection system comprises a first cylindrical container, an annular test carrying track arranged at the peripheryof the first cylindrical container, an annular table top carried on the annular test carrying track, a light emitting module and a light receiving module which are carried on the annular table top, afirst driving motor and a main controller; the light receiving surface of the light receiving module is perpendicular to a ground plane; the light emitting module and the light receiving module are symmetrical about the central axis of the annular test carrying track; the light emitting module is used for emitting first light which is refracted by a first coarse salt test solution in the first cylindrical container and reflected by the bottom of the first cylindrical container and transmitted to the light receiving module. By measuring the projection height of the light, solving the refractive index of the first crude salt test solution, converting the solution concentration evaluation value and the relative salt content of the first crude salt solution and outputting the salt content ofthe crude salt, the quality of the crude salt is effectively evaluated.

Description

technical field [0001] The invention relates to the field of salt production, in particular to a crude salt quality detection system. Background technique [0002] In the prior art, the salinity detection of crude salt generally adopts the Mohr method, that is, the K 2 CrO 4 As indicator, AgNO 3 Chloride titration with standard solution. Since the solubility of AgCl<Ag 2 CrO 4 Solubility, so AgCl precipitates first in the solution, and when the end point is reached, the excess AgNO 3 with CrO 4 2- A brick red precipitate formed. [0003] On the one hand, this method is destructive, and the test solution cannot be remade into refined salt; on the other hand, the brick red precipitation is manual identification. After the AgCl precipitation is completed, the titration cannot be stopped immediately, causing excessive dripping to affect the accuracy. Contents of the invention [0004] In view of some defects in the prior art, the technical problem to be solved by t...

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Problems solved by technology

[0003] On the one hand, this method is destructive, and the test solution cannot be remade into refined salt; on the other hand, the brick red precipitation is manual identification, and after the AgCl precipitation is completed, the titration cannot be stopped immediately, causing excessive dripping to affect the accuracy

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