Granulating Apparatus Deformable Wall Self-Cleaning
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Solution Overview
Problem
Existing granulating devices face issues with chaotic and irregular movement of particle material in the granulating chamber, leading to the formation of undesired encrusting material deposits on the dispensing device, especially in wet granulating processes, which complicates cleaning and reduces the device's working life.
Innovation Solution
A dispensing device with a deformable wall that can be inflated and deflated cyclically using a pressurized gas source to detach encrusting material, featuring a tubular design around the dispensing unit and nozzles, allowing for easy cleaning and extended operational life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a dispensing device with nozzles is used to spray granulating fluid onto powder material, then the granulating process can be performed effectively, but encrusting material deposits form on the dispensing device due to chaotic particle movement
Solution Approach 1:
The patent converts the harmful encrusting material deposits into a beneficial cleaning mechanism by using the deposited material itself as the cleaning medium. The deformable wall accumulates encrusting material during operation, then periodically inverts to discharge this accumulated material back onto the dispensing nozzles, effectively using the waste material to clean the device and prevent further encrustation.
2Productivity
If the dispensing device operates continuously in a wet granulating environment, then production efficiency is maintained, but cleaning becomes complicated and working life is reduced
Solution Approach 1:
The dispensing device performs self-cleaning through its own operational byproducts. The deformable wall automatically accumulates encrusting material during normal operation and then discharges it periodically to clean the nozzles, eliminating the need for external cleaning operations and manual intervention while maintaining continuous productivity.
3Ease of manufacture
If a simple dispensing device structure is used, then manufacturing cost is reduced, but the device is more susceptible to damage from encrusting material deposits
Solution Approach 1:
The patent introduces dynamic functionality to a simple device structure by incorporating a deformable wall that can change its configuration. This wall alternates between a collapsed state during material discharge and an inflated state during cleaning operation, enabling the simple structure to perform protective self-cleaning functions that extend its working life without adding significant complexity.
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 solution effectively prevents encrusting material from accumulating on the dispensing device, simplifies cleaning, and extends its operational life by using a deformable wall that can be inflated and deflated to remove deposits, enhancing the device's constructional simplicity and cost-effectiveness.
Implementation Method 1
at least one deformable wall 5 that covers at least one part of the dispensing unit 3 and which bounds a cavity 6 connectable to a pressurized gas source (not illustrated) to enable the deformable wall 5 to be inflated and/or deflated cyclically
Data Source
Figure 1~2
Figure 3
Figure 4~7
AI summary
A dispensing device with at least one dispensing unit is disclosed that carries one or more nozzles configured to dispense a fluid, and with a deformable wall that covers at least one part of said at least one dispensing unit and which bounds a cavity that is connectable to a pressurized gas source to enable said deformable wall to be inflated and/or deflated cyclically in order to detach possible encrusting material deposited on the wall itself; the dispensed fluid can be a granulating fluid that is sprayed on powder material to perform a granulating process.