Material level detection and material quantity management method for alumina storage tank
A material level detection and management method technology, applied in measuring devices, liquid/fluid solids measurement, engine lubrication, etc., can solve problems such as large workload, large errors, inaccuracy, etc., to reduce inventory and achieve dynamic management. Effect
Active Publication Date: 2009-10-21
GUIZHOU BRANCH CHINA ALUMINUM IND
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Problems solved by technology
First of all, this manual material level measurement method is very inaccurate, and can only be used as a rough reference, with large errors; secondly, it is a safety factor. The on-site staff not only has a heavy workload, but also has a great potential safety hazard in their daily work.
Method used
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Embodiment 1
[0027] The installation positions of the No. 1 material level gauge 3, the No. 2 material level gauge 4 and the No. 3 material level gauge 5 of the present invention are to divide the conical warehouse top of the 8000-ton alumina storage tank into three equal parts of the material level measurement area, Install material level gauges 3, 4, 5 in the middle of each sector, and install No. 4 material level gauges 6 in the area of feed inlet 8, such as figure 2 Shown; The accuracy of the measurement of the 4 level gauges is high, and the average error of the system is small. The material level gauges 3, 4, 5, 6 are welded to the mounting level gauge threaded base 12 on the round holes through the pre-opened round holes on the tank top, and then through the material level gauges 3, 4, 5, 6 themselves. The external thread is fixed on the threaded base 12 of the level gauge. Since the top diameter of the storage tank is as long as 26 meters, the material level of alumina powder i...
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Abstract
The invention relates to aluminum smelting trade, in particular to a material level detection and material quantity management method for an alumina storage tank used in the dynamic management of alumina material production consumption and stock balance. The method comprises the following steps: 1) a step of detection; 2) a step of data acquisition; 3) a step of management; and 4) a step of display. The method can timely and correctly detect the change of the material quantity in the storage tank; and the material quantity detected by a material level detection system is more correct, steady, reliable and truer than the material quantity detected by artificial knocking. The method is suitable for the measurement and management of the material level height and the material quantity in an aluminum electrolysis alumina storage tank, and is also suitable for the measurement management of material stored in a similar large tank.
Description
technical field [0001] The invention relates to the aluminum smelting industry, in particular to a method for detecting the material level of an alumina storage tank and managing the material quantity used in the dynamic management of production consumption and inventory of alumina raw materials. Background technique [0002] The alumina storage tank is an important storage device for the main raw material alumina in the production of electrolytic aluminum from the factory to the unloading station. It is responsible for the storage, transfer and supply of the main raw material alumina powder required for the daily production of the electrolytic workshop of the whole plant. The main facility of the central raw material station. Knowing and mastering the tonnage of alumina powder in the storage tank at any time is an important daily work of the raw material station. Due to the needs of electrolytic production, the alumina powder in the storage tank is consumed every day. Alth...
Claims
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IPC IPC(8): C25C3/14G01F23/00
Inventor 黄卫平雷向军张机琴罗开华任述理白秀娟王雄曹继明裴生武
Owner GUIZHOU BRANCH CHINA ALUMINUM IND