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This article provides an overview of the composition of the production of sintered alumina raw slurry batching automatic control system mainly includes two parts : pre- blending system and automatic batching system of raw slurry . Pre - blending system , including the establishment of the coal warehouse , electronic scales , PLC ( programmable logic controller ) control part to pulverized coal uniform quantitative ore . Offline sampling of raw slurry automatic batching system to quickly analyze online automatic control mode , including the four-part component analysis system , mass flow meter and electronic scales measuring system , PLC control system , computer batching monitoring control system , reached samples fast and accurate analysis the material to be measured accurately , the purpose of automatic control of the scene . By a single mill , multi mill industrial test , the measured technical indicators and control technology indicators are consistent with each other . This article focuses on the energy dispersive X-ray fluorescence analyzer in the automatic control system of raw slurry batching materials such as ore , the raw material , the mill into the lye , silicon slag samples analysis , the conditions of sample preparation , instrument parameters , matrix interference curve fitting correction system . In sample preparation to determine the grinding time, the sample size , the time of tableting , tableting the desired pressure, etc. , through testing to determine the optimum analytical work parameters . Match the standard sample selection and sample matrix , sample preparation conditions determined in accordance with the instrument operating parameters to establish a different standard working curve of the sample ; using three standard intensity and concentration normalization coefficient method to eliminate the impact of instrument drift . Through mass production inspection and comparison with the chemical analysis method , indicating that the method has a high sensitivity , good accuracy , wide measurement range , capable of living slurry the automatic batching processes quickly adjust the data to provide the material content , reaching the alumina production process the technical requirements .
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