Separator Drum Zone Shifting to Prevent Fat Clogging
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Solution Overview
Problem
Separators used in food processing, particularly during the separation of milk into cream and skimmed milk, often experience blockages due to excessive fat concentration, leading to clogging of flow paths and resulting in product losses and increased costs, especially when processing cold milk with high fat content.
Innovation Solution
A method that detects imminent clogging by determining the fat content of the outflowing product phase and automatically shifts the separation zone in the separator drum by adjusting operating parameters, such as throttling the skimmed milk outlet or increasing the inflow rate, to prevent blockages before they occur.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the separator operates with high fat concentration in cream whey to improve product quality and reduce fat loss, then the productivity and product quality are improved, but blockages occur in the flow paths and separator components
Solution Approach 1:
The system performs preliminary action by detecting the fat content concentration in the cream whey before blockage occurs. The measuring device continuously monitors the fat content, and when a predetermined limit is approached, the control device automatically shifts the separation zone to prevent blockage, thereby maintaining continuous operation without interruption for cleaning.
Solution Approach 2:
The system implements feedback control by using a measuring device to continuously monitor fat content in the cream whey and feeding this information back to the control device. Based on this feedback, the control device automatically adjusts the separation zone position to maintain optimal operation and prevent blockages, ensuring reliable continuous operation.
2Reliability
If hot water feeding and throttling operations are performed to unclog blockages, then the flow paths are cleared, but product losses increase and operational costs rise
Solution Approach 1:
The system applies preliminary anti-action by preventing blockage formation in the first place. Through continuous monitoring of fat content and automatic shifting of the separation zone before the blockage occurs, the system eliminates the need for corrective rinsing operations, thereby preventing product loss entirely rather than recovering from blockage afterward.
Solution Approach 2:
The system performs self-service by automatically detecting and preventing blockages through its own measuring and control devices, eliminating the need for external intervention such as manual rinsing or throttling operations. The separator maintains itself in optimal condition through automatic adjustment based on real-time monitoring.
3Reliability
If the separation zone is shifted frequently to prevent blockages, then flow path reliability is maintained, but the complexity of the control system increases
Solution Approach 1:
The system manages complexity by changing a single critical parameter - the position of the separation zone in the separator drum. The control device shifts this separation zone based on fat content measurements, using a simple parameter adjustment rather than complex mechanical modifications or multiple control variables, thereby maintaining reliability with minimal system 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
This method effectively prevents clogging, allowing for normal operation with higher fat concentrations in cream, reducing product losses and operational expenses by enabling continuous production without the need for costly rinsing operations.
Implementation Method 1
A centrifugal separation in the separator takes place such that the fat content in the cream whey amounts to more than 45%
Data Source
AI summary
A method of preventing blockages of flow paths of a separator, the separator processing a fat-containing product such as milk. The method steps include determining a concentration of the fat content of an outflowing product phase from the separator to detect an imminent clogging, and shifting a separation zone in a separator drum of the separator for a defined minimum time period by changing operating parameters.