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Sugar cane crystallization supersaturation microwave induction on-line detection method and detector

A technology of microwave induction and saturation, which is applied in the direction of material analysis, instruments, and measuring devices using microwave means, can solve the problems of insufficient accuracy, narrow detection range, and inability to apply, so as to save energy, reduce production costs, The effect of improving the automation level of sugar production

Inactive Publication Date: 2010-01-06
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The detection range of this method is narrow, and the accuracy is not high enough.
Although the near-infrared method overcomes the shortcomings of the infrared method, the online detection device of the near-infrared method is not yet mature, and the cost is expensive, so it cannot be applied in the automatic production line of the sugar industry

Method used

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  • Sugar cane crystallization supersaturation microwave induction on-line detection method and detector
  • Sugar cane crystallization supersaturation microwave induction on-line detection method and detector
  • Sugar cane crystallization supersaturation microwave induction on-line detection method and detector

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Embodiment Construction

[0017] The microwave induction on-line detection method embodiment of the sugarcane juice crystallization supersaturation designed by the present invention is as follows:

[0018] 1. The sugarcane juice saturation sensitive inductance coil in the shape of "8" or double "6" is connected to the microwave signal excitation circuit. In the microwave frequency band, the inductance coil changes with the distributed inductance and distributed capacitance of the surrounding medium, and its equivalent impedance changes, so that the total impedance of the microwave signal excitation circuit changes, and the microwave oscillation frequency generated by it changes accordingly.

[0019] II. As the supersaturation of cane juice in the sugar tank increases, the distributed inductance and distributed capacitance of the sugar solution change. The cane juice saturation sensitive inductance coil connected to the microwave signal excitation circuit is close to the outer wall of the sugar boiling ...

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Abstract

The invention relates to a microwave sensitive online detect method and a relative detector on the cane juice crystallization super-saturation degree. The invention uses a cane juice saturation sensitive inductance winding in 8-shape or dual-6 shape to connect a microwave signal excite circuit, wherein the winding can change resistance along with the capacitor and inductance change of around medium, to change the microwave frequency generated by the microwave signal excite circuit. The excite circuit is compacted with the outer wall of a boiling pan, to check the change of microwave frequency, to obtain the super-saturation of cane juice. The detector comprises a microwave signal excite circuit, a microwave frequency check and voltage convert circuit, a microprocessor, a power supply and a display. The microprocessor stores the relation between the microwave frequency electric parameter signal and cane juice crystallization saturation, to directly output the cane juice crystallization super saturation degree according to the microwave frequency. The inventive method and the detector can non-contact detect the cane juice un-saturation degree in the boiling pan, with simple application, strong interference resistance, high measurement accuracy and wide measuring range.

Description

(1) Technical field [0001] The invention relates to a method and a device for detecting the crystallization concentration of sugarcane juice, in particular to a non-contact microwave induction on-line detection method and a detector for crystallization supersaturation of sugarcane juice. (2) Background technology [0002] The sugar industry is an important industry related to the national economy and the people's livelihood, and sucrose is the main sugar product. Sucrose is concentrated and crystallized from sugarcane juice. The process of extracting refined sugar from sugarcane juice is still very backward, and the most important process step - the crystallization of sucrose solution, commonly known as the sugar boiling process, is far from being automated. This also makes the energy consumption of the sugar industry high, the cost is high, and the sales price is difficult to drop. It also directly affects the profit of the manufacturer, [0003] High-efficiency automate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N22/00
Inventor 朱名日朱莹杜云松
Owner GUILIN UNIV OF ELECTRONIC TECH
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