Small-size fertilizer preparation machine

Abstract

The invention relates to the technical field of agricultural bulk blended fertilizer preparation, in particular to a small-size fertilizer preparation machine. The small-size fertilizer preparation machine comprises a rack. The small-size fertilizer preparation machine is characterized in that multiple metering and feeding devices are arranged at the upper part of the rack, and a hopper is correspondingly arranged above each metering and feeding device; the small-size fertilizer preparation machine also comprises conveying devices used for feeding the hoppers and material storage cabins; the lower ends of the conveying devices are connected with the material storage cabins, and material outlets formed in the upper ends of the conveying devices stretch to the upper parts of the hoppers; a material mixing cabin is arranged under the metering and feeding devices, the material mixing cabin is of a reversed cone cylindrical structure with an opening formed in the upper part, and a material falling outlet is formed in the lower part; a material receiving device is arranged under the material mixing cabin; the material mixing cabin comprises an annular inner wall, the middle part of the inner wall is a material falling annular surface, and at least the material falling annular surface is a hyperbolic annular surface or a parabolic annular surface. The small-size fertilizer preparation machine disclosed by the invention has the beneficial effects that the structure is simple, and crushing of fertilizer granules caused by material stirring and mixing can be avoided; time for fertilizer preparation is saved; the land occupation of the whole machine is small.

Description

technical field [0001] The invention relates to the technical field of preparation of agricultural blended fertilizers, in particular to a small-scale fertilizer distributing machine. Background technique [0002] Chemical fertilizers are the "grain" of crops, and chemical fertilizers are playing an increasingly important role in ensuring stable and high yields in agriculture. However, due to the low level of scientific fertilization in my country, blind and excessive fertilization in some areas not only wastes resources, but also is not conducive to crop growth, causing soil fertility decline and environmental pollution. The unreasonable amount and ratio of fertilizer application is the main factor leading to the low efficiency of fertilizer use. Due to different geographical conditions, farmers are still unable to purchase fertilizers that fully meet their own land nutrient needs. Therefore, formulating different precise fertilization formulas for different crops, soil c...

AI Technical Summary

Problems solved by technology

The use of this kind of fertilizer dispensing machine greatly facilitates the work of the fertilizer distributing station, and meets the needs of precise fertilizer dispensing to a certain extent, but there are still the following deficiencies: First, because the mixer adopts a stirring structure, not only the structure is complicated, but each time mixing The post-mixing bin is difficult to clean. The key problem is that the granular structure of the fertilizer is also destroyed while the mixing is completed.

However, the above-mentioned mixing device needs to repeatedly rotate and stir several kinds of fertilizers, which will easily cause the fertilizer particles to be broken. When the fertilizer particles are fully mixed, the fertilizer particles have been refined or broken, thereby reducing the fertilization effect; It takes a long time to feed and mix fertilizers, and it cannot be mixed at the same time as feeding, so the efficiency of fertilizer mixing is low; the third is that after the electronic weighing is done, it needs to be lifted again to facilitate mixing, so that the whole The equipment occupies a large area, which is more important for the fertilizer distribution station

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