Automatic alumina sampling apparatus

An automatic sampling device and alumina technology, applied in the sampling device and other directions, can solve problems such as gaps, inability to accurately reflect the real situation of alumina entering the tank, etc., to achieve low cost, automatic sample collection, installation and disassembly process of multiple points and small quantities. simple effect

Inactive Publication Date: 2015-12-02
SNTO TECH GRP
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Problems solved by technology

[0003] There are several sampling methods in the related technology: there is no follow-up sampling analysis for the alumina that enters the tank every day, only sampling and analysis is performed for each batch of alumina, and it can be used after the analysis reaches the standard; there is no follow-up sampling analysis for the oxidation that enters the tank every day, Only based on the sampling and analysis results of each batch of alumina and the ratio of different batches of alumina, various physical and chemical analysis indicators are calculated to predict possible changes or risks in advance. This method is in comparison with the actual sampling test value The large gap does not accurately reflect the real situation of the alumina in the tank; manual tracking, sampling and analysis of the alumina in the tank every day, but because the sampling workers also need to undertake other tasks, the quantitative timing cannot be fully followed by the sampling standards Uninterrupted sampling, so there is also a large gap between this sampling method and the real value

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] Such as figure 1 As shown, an automatic alumina sampling device of the present invention includes a sampling tube 4, an electric sampling butterfly valve 7 arranged on the sampling tube 4, a motor 6 located on one side of the electric sampling butterfly valve 7, and a motor 6 connected to the electric sampling tube 7, respectively. Sampling butterfly valve 7 and the reducer 5 of the motor 6, the reduction ratio of the reducer 5 is 1400:1. figure 1 Also shown in the figure are the alumina hopper 1, the feeding pipe 3 arranged at the bottom of the oxidation hopper 1, and the slide valve 2 arranged on the feeding pipe 3.

[0015] Such as figure 2 As shown, when the control power switch Q1 is turned on, KT1 is energized and starts timing. The timing period can be set by yourself, KT1 closes, KA1 acts, the motor rotates forward to open the valve, a...

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Abstract

The present invention provides an automatic alumina sampling apparatus, which comprises a sampling tube, an electric sampling butterfly valve arranged on the sampling tube, a motor positioned on one side of the electric sampling butterfly valve, and a speed reducer respectively connected with the electric sampling butterfly valve and the motor, wherein the reduction ratio of the speed reducer is 1400:1. Compared with the apparatus in the related art, the apparatus of the present invention has the following beneficial effects that the continuous sampling can be achieved and the sampling precision is high.

Description

【Technical field】 [0001] The invention relates to the technical field of powder sampling, in particular to an alumina automatic sampling device. 【Background technique】 [0002] For the modern aluminum electrolysis industry, the continuous standardized sampling and analysis of alumina entering the tank every day can provide forward-looking opinions for electrolytic aluminum production and predict possible changes or risks in advance, in order to optimize electrolytic production and stabilize electrolyte Composition, stable tank conditions, prolonging tank life and reducing the unit consumption of fluorine salts play an important role. [0003] There are several sampling methods in the related technology: there is no follow-up sampling analysis for the alumina that enters the tank every day, only sampling and analysis is performed for each batch of alumina, and it can be used after the analysis reaches the standard; there is no follow-up sampling analysis for the oxidation tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
Inventor 王博一柳葛贤于学武
Owner SNTO TECH GRP
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