Variable Discharge Particulate Metering System
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Solution Overview
Problem
Existing particulate metering systems face challenges in simultaneously controlling the blend and application rate of different fertilizers at separate discharge points, particularly in agricultural applications where independent control of each row unit is desired.
Innovation Solution
A particulate metering system with variable blend and application rate controls, featuring a flow path with multiple storage areas, mixing areas, and operable conveyances that allow for independent control of particulate distribution and blending across discharge points, enabling precise adjustment of mixture ratios and conveyance rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple fertilizers are metered and blended at separate discharge points, then the ability to provide variable blend and application rate control is improved, but the system complexity increases significantly
Solution Approach 1:
The system divides the fertilizer handling process into separate modular units: individual fertilizer storage bins, separate conveyance systems for each fertilizer type, and distinct mixing chambers for each discharge point. This segmentation allows independent control of blend and application rate at each discharge point while keeping each module relatively simple and manageable.
Solution Approach 2:
The system incorporates variable speed conveyors and adjustable metering mechanisms that can dynamically adjust the flow rate and blend ratio of fertilizers. The conveyance rates and mixing ratios can be independently controlled and adjusted in real-time to meet different agricultural requirements at each discharge point.
2Manufacturing precision
If independent control of blend and application rate is implemented at each row unit, then precision in fertilizer distribution is improved, but the number of components and control mechanisms increases
Solution Approach 1:
Each row unit or discharge point is equipped with its own dedicated mixing chamber and conveyance system, allowing independent control of blend ratio and application rate. This segmentation enables precise fertilizer distribution tailored to specific agricultural needs while maintaining manageable complexity through modular design.
Solution Approach 2:
The system uses adjustable parameters such as variable conveyance speeds, controllable metering rates, and adjustable mixing ratios to achieve precise control over fertilizer distribution. These parameters can be independently modified at each discharge point to optimize fertilizer application based on local agricultural requirements.
3Productivity
If multiple fertilizers are conveyed and mixed simultaneously, then productivity is improved, but the difficulty of controlling mixture ratios increases
Solution Approach 1:
The system employs separate mixing chambers for each fertilizer type, with controlled entry points for each conveyance system. This segmentation allows multiple fertilizers to be conveyed and mixed simultaneously while maintaining independent control over each mixture ratio through dedicated control mechanisms for each chamber.
Data Source
AI summary
An improved particulate metering system is provided with variable blend, application rate, and section control. The system includes a plurality of particulate mixing areas, each having an air input and a plurality of particulate inputs. A plurality of particulate sources is provided, each being in communication with a particulate input of a particulate mixing area. A separate type of particulate can be in each of the plurality of particulate sources. The system includes a plurality of operated conveyances, each being in communication with a particulate source and a particulate input. Each of the plurality of particulate mixing areas can receive air from the air input and a separate type of particulate, and can discharge an air-particulate mixture. One or more metering controls operably control one or more of the operated conveyances.