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System for improving liquid caustic soda unloading efficiency

A liquid caustic and efficiency technology, applied in the field of systems for improving the efficiency of liquid caustic unloading, can solve the problems of unrepresentative sampling and testing methods, low liquid caustic unloading efficiency, long testing and analysis time, etc., to achieve rapid automatic settlement and shorten testing. The effect of analyzing time and improving settlement efficiency

Pending Publication Date: 2020-12-29
山西复晟铝业有限公司
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Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the present invention provides a system for improving the unloading efficiency of liquid caustic soda, which can solve the problems of unrepresentative sampling and testing methods, long test analysis time and large errors, which finally lead to low efficiency of unloading liquid caustic soda The problem

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  • System for improving liquid caustic soda unloading efficiency

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] like figure 1 As shown, a system for improving the unloading efficiency of liquid caustic soda, including an industrial switch 1, a settlement system 2, a host computer 3, a vehicle identification device 4, PLC5, a card reader 6, a liquid level measuring device 7 for a caustic unloading tank, and an online analysis device 8 and electric valve assembly 9, the industrial switch 1 is connected with PLC5, settlement system 2, host computer 3 and vehicle ide...

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Abstract

The invention belongs to the technical field of aluminum oxide production processes, and particularly relates to a system for improving liquid caustic soda unloading efficiency. The system for improving the liquid caustic soda unloading efficiency comprises an industrial switch, a settlement system, an upper computer, a vehicle identification device, a PLC (Programmable Logic Controller), a card swiping machine, a caustic soda unloading tank liquid level measurement device, an online analysis device and an electric valve component; the industrial switch is connected respectively with the PLC,the settlement system, the upper computer and the vehicle identification device through lines; and the PLC is respectively connected with the card swiping machine, the alkali discharge tank liquid level measurement device, the online analysis device and the electric valve component through lines. According to the system for improving the liquid caustic soda unloading efficiency, the problem of lower liquid caustic soda unloading efficiency finally caused by no representativeness, long assay analysis time and large error of a sampling assay method is solved, the system can be widely applied torelated systems of various liquid caustic soda unloading.

Description

technical field [0001] The invention belongs to the technical field of alumina production technology, and in particular relates to a system for improving the unloading efficiency of liquid caustic soda. Background technique [0002] The invention relates to an alumina production process. Sodium hydroxide is usually called caustic soda, or caustic soda or caustic soda, and is used to treat bauxite. Bauxite contains alumina, which is the raw material for producing aluminum. Sodium hydroxide can be used to purify alumina from the ore. In the production process of alumina produced by Bayer method, the role of sodium hydroxide is to purify alumina from ore. The reaction equation is as follows: Al2O3+2NaOH+H2O=2Na[Al(OH)4] or Al2O3+2NaOH=2NaAlO2+H2O , so liquid caustic soda (sodium hydroxide) is one of the essential raw materials in alumina production. The determination of sodium hydroxide-methyl orange neutralization titration method is generally used in the liquid alkali test ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B67D7/02B67D7/06B67D7/08
CPCB67D7/02B67D7/06B67D7/08B67D7/085
Inventor 沈亚关建荣葛福刚
Owner 山西复晟铝业有限公司
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