Oxidative calcining device for processing of ammonium paratungstate

Abstract

The invention discloses an oxidative calcining device for processing of ammonium paratungstate. The oxidative calcining device comprises an oxidative calcining main machine, a ladder, a charging mechanism and a discharging mechanism, wherein the ladder is arranged at one end of the oxidative calcining main machine; the charging mechanism is arranged on one side of the upper end of the oxidative calcining main machine; the upper end of the discharging mechanism is connected with the lower end of the charging mechanism; and the lower end of the discharging mechanism is connected with a charging hole of the oxidative calcining main machine. The oxidative calcining device disclosed by the invention has the beneficial effects that automatic bag opening operation can be realized, the operation safety is improved, and the ammonium paratungstate conveniently, quickly and cleanly flows out of the bag, so that the trouble of manually clearing a packaging bag at the second time is reduced, the automatic bag breaking and charging effects are improved, automatic dropping of the ammonium paratungstate is conveniently realized, the packaging bag stays in a discharging tank or hanged on a drill bit, so that convenience is provided for manually clearing, fixed-material conveying for oxidative calcination of the ammonium paratungstate is realized, and the calcination quantity is convenient to control; and in the nearly-enclosed charging whole process, manual contact is not needed, the manual operation comfort level is high, and the operation is safe and reliable.

Description

technical field [0001] The invention relates to the technical field of ammonium paratungstate production equipment, in particular to an oxidation calcining device for ammonium paratungstate processing. Background technique [0002] Tungsten is a metallic element. The chemical element symbol of tungsten is W, the atomic number is 74, the relative atomic mass is 183.85, the atomic radius is 137 picometers, and the density is 19.35 grams per cubic centimeter. It belongs to the sixth period (the second longest period) in the periodic table of elements. VIB family. Tungsten is mainly in the form of hexavalent cations in nature, and its ionic radius is 0.68×10-10m. Due to the small ion radius of W6+, high electricity price, strong polarization ability, and easy formation of complex anions, tungsten is mainly in the form of complex anions [WO4]2-, which combines with Fe2+, Mn2+, Ca2+ and other cations in the solution to form wolframite or white tungsten. Tungsten deposits. Afte...

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Problems solved by technology

[0004] However, today’s ammonium paratungstate processing oxidation calcining device needs to manually open the ammonium paratungstate packaging bag and pour out the ammonium paratungstate when feeding ammonium paratungstate. The body of the operator is injured, and the injury will become more and more serious under long-term operation. Even if there are protective measures, the operator's operating comfort will be greatly reduced, and the operation is very troublesome. It is far less simple and fast than automatic feeding operation.

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