Agricultural Fluid Separator Venting to Prevent Vapor Misapplication
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Solution Overview
Problem
Agricultural fluid application systems face inefficiencies and misapplication due to particulates and vapor issues in pressure vessels, particularly with volatile fertilizers like anhydrous ammonia, leading to operational inefficiencies and safety concerns.
Innovation Solution
A system that separates fluid into liquid and vapor within a container, using a separator to control fluid velocity and a controller to manage vapor release, ensuring the liquid level is maintained above the desired level, and a filtering system to remove solid materials, thereby preventing misapplication and improving system efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anhydrous ammonia is stored in pressure vessels for fertilizer application, then nitrogen nutrients are provided to plants, but the vessels deteriorate due to water filling during pressure testing and particulate formation
Solution Approach 1:
The system separates the fluid stream into multiple phases using a separator, dividing the homogeneous fluid flow into liquid and vapor components. This segmentation prevents particulates from accumulating in the outlet region and reduces vessel deterioration by eliminating water filling during pressure testing.
Solution Approach 2:
The separator extracts vapor and particulates from the liquid fluid stream before it reaches the outlet. By taking out the harmful vapor phase and particulates, the system prevents misapplication and reduces particulate accumulation that causes vessel deterioration.
2Reliability
If strainers are used to remove particulates from fluid, then some materials are removed, but the strainers become plugged and require frequent cleaning
Solution Approach 1:
The separator extracts vapor and particulates from the fluid stream before it reaches the outlet, preventing accumulation that would plug strainers. This extraction mechanism eliminates the need for frequent strainer cleaning and maintenance.
Solution Approach 2:
The separator performs preliminary separation of vapor and particulates from the liquid fluid before the fluid reaches downstream components. This preliminary action prevents particulate accumulation in strainers and outlets, eliminating the need for frequent cleaning operations.
3Manufacturing precision
If vapor is present in the pressure vessel during fluid withdrawal, then vapor can flow through the outlet causing misapplication, but preventing vapor presence complicates the system
Solution Approach 1:
The separator segments the fluid into liquid and vapor phases, directing liquid to the outlet while allowing vapor to be vented separately. This segmentation ensures precise liquid application without vapor interference while maintaining relatively simple system architecture.
Solution Approach 2:
The separator acts as an intermediary device between the pressure vessel and outlet, mediating the fluid flow by separating liquid from vapor. This intermediary function prevents vapor from reaching the outlet while maintaining simple system design through a single separation point.
4Productivity
If modern fluid application systems operate at increased rates, then productivity is improved, but vapor ingestion and misapplication problems are exacerbated
Solution Approach 1:
The separator performs preliminary separation of vapor from liquid at high flow rates, ensuring that only liquid reaches the outlet even during rapid application. This preliminary action maintains application accuracy despite increased productivity demands.
Solution Approach 2:
The system segments the high-velocity fluid stream into liquid and vapor components, allowing the liquid portion to be applied at high rates while vapor is vented separately. This segmentation enables high productivity without sacrificing application accuracy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances the accuracy and efficiency of fluid application by preventing vapor flow through outlets, reducing maintenance time, and ensuring safe operation by effectively separating and managing volatile fertilizers, thus minimizing misapplication and equipment damage.
Implementation Method 1
separating the fluid into a liquid and a vapor within a container such that at least a portion of the vapor is disposed above the liquid
Implementation Method 2
separating the fluid into a liquid and a vapor
Data Source
AI summary
A method for handling a fluid includes separating the fluid into a liquid and a vapor within a container such that at least a portion of the vapor is disposed above the liquid, detecting a level of the liquid in the container, and actuating at least one valve to exhaust the vapor from the container to maintain the level of the liquid at or above a desired level. The at least one valve is communicatively coupled to a controller. The method further includes sending a signal from the at least one valve to the controller, and determining diagnostic data based at least in part on the signal.