Anti-Caking Piston Mechanism for Mill Wall Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Industrial equipment, such as pulverizing mills, face performance degradation due to 'caked on' material accumulation on surfaces, particularly in moist environments, requiring manual scraping and pressure washing for removal.
Innovation Solution
An anti-caking device featuring a moving piston that opens to direct fluid flow between the surface and deposited material, creating a crack and assisting in material removal, with adjustable piston travel, fluid pressure, and timing to effectively dislodge and remove caked material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual scraping and pressure washing are used to remove caked material, then the material is removed from surfaces, but equipment downtime and operational complexity increase
Solution Approach 1:
The device performs preliminary action by continuously or periodically removing caked material before it significantly accumulates and impacts mill performance. The piston mechanism actively pushes material away from walls during operation, preventing the need for later manual scraping and pressure washing, thus eliminating equipment downtime.
Solution Approach 2:
The anti-caking device enables the mill to self-service by automatically removing caked material during operation. The system uses the mill's own operational conditions (material flow, moisture) to drive the piston mechanism that continuously cleans walls, eliminating the need for external manual intervention and maintaining continuous productivity.
2Productivity
If a piston mechanism is used to push material away from walls, then material removal effectiveness increases, but device complexity increases
Solution Approach 1:
The device merges the piston mechanism with the existing mill structure, integrating the anti-caking function into the mill's wall or housing. The piston, cylinder, and fluid supply system are combined into a single integrated unit that leverages the mill's operational environment, reducing the need for separate complex systems while maintaining effective material removal.
Solution Approach 2:
The invention uses pneumatic or hydraulic principles to drive the piston mechanism, utilizing fluid pressure from the mill's existing fluid supply system (or a simple pump) to move the piston and push material away from walls. This approach avoids complex mechanical linkages, motors, or actuators, simplifying the overall device structure while achieving effective material removal.
3Productivity
If fluid flow is directed behind caked material, then material detachment is improved, but energy consumption increases
Solution Approach 1:
The device applies local quality by directing fluid flow specifically at the interface between caked material and the wall, rather than spraying fluid over the entire mill interior. The piston mechanism concentrates fluid pressure precisely where material detachment is needed, maximizing detachment efficiency while minimizing overall energy consumption compared to full-system pressure washing.
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 device efficiently removes caked material with a larger cross-sectional area than the piston, reducing the need for manual scraping and pressure washing, improving equipment performance and efficiency.
Implementation Method 1
direct fluid flow behind caked on material stuck to a surface such as a wall to mechanically push at least some of the material away from the wall with a piston while simultaneously directing fluid behind the piston face
Implementation Method 2
This motion may also create a crack between the wall and the deposited matter so as to potentially increase the area where the fluid is acting
Data Source
AI summary
An anti-caking device has a plunger with a plunger head moveable between first and second positions. In the first position, the plunger head forms a surface with the housing, and in the second position, the plunger head is moved to provide at least a crack around its perimeter relative to the housing, whereby fluid proceeds from a fluid supply through the crack to assist in dislodging caked on material on the surface. Preferably, relatively low pressure fluid is utilized in many embodiments.