Secondary-granulation powder feeding device

Abstract

The invention relates to a secondary-granulation powder feeding device. The device comprises a stock bin, a discharge port, a discharge pipe, a control valve, a dustproof cover and the like, wherein the discharge port is formed in the bottom of the stock bin, the discharge port is connected with the discharge pipe, the control valve is arranged at the discharge port, and the dustproof cover is arranged at the top of the stock bin. According to the device, due to the design that a funnel shape structure is connected to the lower part of a cylinder, collision extrusion among powder is effectively reduced, the fluidity of the powder is greatly improved, and the problem that the granulation powder is easily broken and round lost is well solved. The device is suitable for feeding of spherical powder, and is particularly suitable for continuous feeding of secondary granulating processes such as continuous screening and grading, deironing and the like of the powder, and through actual testing, high-efficiency and accurate feeding can be realized without damaging the shape and appearance of the powder, and continuous and stable powder supply is realized. The device has the advantages of being reasonable in design, stable and reliable, low in cost, simple, practical and the like, and meanwhile, dust and impurities are prevented, the device is especially suitable for large-scale industrial production, and the device provides a fine type production mode.

Description

technical field [0001] The invention relates to a powder supply device, in particular to a feeding device for secondary granulation powder, and belongs to the technical field of powder processing equipment manufacturing. Background technique [0002] In the production process of powders such as zirconia, it is usually necessary to obtain spherical powders by granulating and shaping the powders. However, the granulated powder is fragile and cannot be subjected to any extrusion. Even under the action of a small external force, the spherical powder is easily broken and out of round, the fluidity is poor, and the powder is likely to cause defects during use and affect the quality of the powder. [0003] After the powder is spheroidized, it is often necessary to carry out fine processing on the powder, such as continuous screening and classification of the powder, iron removal and other processes. In these further processes, it is necessary to achieve efficient, continuous and ...

AI Technical Summary

Problems solved by technology

However, the existing feeding methods usually use screw propellers or belt conveyors, etc., which are all rough production methods, which are easy to break and lose the shape of the powder, destroy the powder shape, are not dust-proof, and are easy to mix with impurities. Various problems such as inability to efficiently, continuously and accurately feed materials

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