A Pneumatic Agricultural Material Variable Spreading System and Method

Abstract

The invention discloses a pneumatic type variable sowing system and method for agricultural materials. The system comprises a rack, a material containing box, a material variable control module, a pneumatic conveying module, a sowing bearing truss and a sowing device, wherein the rack is connected with a power chasis, the material containing box is arranged on the rack and connected with the material variable control module, and the material variable control module is connected with the sowing device installed on the sowing bearing truss through the pneumatic conveying module. The method includes the steps that agricultural materials enter from the material containing box, then, flow of the agricultural materials is controlled through the material variable control module, and next, the agricultural materials are conveyed to the sowing device through the pneumatic conveying module and sown to target operation areas of farmland by the sowing device. According to the pneumatic type variable sowing system and method for agricultural materials, the agricultural materials can be input in a variable mode in both the forward direction and the width direction of a machine unit, the utilization rate of agricultural resources can be improved, pollution to the environment can be reduced, meanwhile, the coverage range of one-time operation is wide, and operation efficiency is high.

Description

technical field [0001] The invention relates to the technical field of material spreading in agricultural machinery, in particular to a pneumatic variable spreading system and method for agricultural materials. Background technique [0002] The precise management and use of agricultural materials (including seeds, fertilizers, herbicides, pesticides and biological regulators, etc.) is one of the important means to ensure high-quality and high-yield crops and protect the agricultural ecological environment. For example, currently in most rural areas of our country, due to the lack of scientific understanding of crop nutritional status information, fertilization on demand cannot be achieved, resulting in the seasonal utilization rates of nitrogen fertilizer and phosphorus fertilizer being only 30% to 35% and 15% to 20% respectively. About 50% to 60% in developed countries, and 70% to 80% in EU countries. According to statistics, the amount of chemical fertilizers applied to c...

AI Technical Summary

Problems solved by technology

[0004] Due to the lack of advanced and applicable high-efficiency precision operation machinery, it has affected the large-scale promotion and popularization of precision agricultural technology ideas

At present, the agricultural machinery suitable for the efficient and precise application of granular agricultural materials mainly includes two forms: (1) During the sowing operation stage of crops, the amount of material application is mainly controlled by means of distribution mechanisms such as outer grooved wheels, shaped hole wheels, or spoons; Control, the material is spread into the target area of ​​farmland operation by gravity free fall, but this method is limited by the distribution mechanism, and the width of a single operation is limited. If the operation width is to be increased, the size of the unit will be greatly increased. In addition, the machine manufacturing When the distance between the dispensing mechanisms is fixed, it is difficult for users to adjust flexibly during use; (2) In the field management stage in the middle period of crop growth, almost all variable spreading machinery adopts the disc centrifugal spreading mechanism. The salient feature is high working efficiency, but it is difficult to control the uniformity during the spreading process, and variable control can only be realized along the forward direction of the unit, which is difficult to control and expensive

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