Multivariate Crossflow Filtration Control System
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Solution Overview
Problem
Manual control of crossflow filtration systems lacks accuracy and repeatability, and existing overpressure prevention methods can cause material loss and damage to system components.
Innovation Solution
A multivariate automated control system that processes sensor signals to determine process parameters, selects control modes, and adjusts actuators to maintain optimal operation states, eliminating the need for relief valves and preventing overpressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual control of flow rate and pressure is used, then the system is simple to operate, but accuracy and repeatability are poor
Solution Approach 1:
The control system continuously monitors process parameters (pressure, flow rate, temperature) using sensors and automatically adjusts actuators to maintain optimal operation, eliminating manual control errors and improving accuracy and repeatability
Solution Approach 2:
The system performs self-regulation through automated control loops that detect deviations from target parameters and autonomously correct them, reducing dependence on manual intervention while maintaining high precision
2Reliability
If relief valves are used for overpressure prevention, then system safety is improved, but material loss and component damage occur
Solution Approach 1:
The control system proactively prevents overpressure conditions by continuously monitoring pressure parameters and adjusting feed flow or permeate removal rates before critical pressure levels are reached, eliminating the need for relief valves that cause material loss
Solution Approach 2:
The patent replaces mechanical relief valves with an automated electronic control system that uses sensors and actuators to regulate pressure, preventing overpressure without the material loss and damage associated with mechanical relief valve discharge
3Object-affected harmful factors
If existing overpressure prevention solutions are used, then system protection is achieved, but damage to system components and operator may occur
Solution Approach 1:
The control system detects and corrects pressure deviations before they reach dangerous levels, preventing the need for emergency relief actions that could damage components or harm operators
Solution Approach 2:
The system maintains pressure within safe operating ranges through continuous automated regulation, cushioning against potential overpressure events before they can cause component damage or operator injury
4Manufacturing precision
If automated control is implemented, then control accuracy and repeatability are improved, but system complexity increases
Solution Approach 1:
The control system integrates multiple functions (monitoring, calculation, control, safety) into a single automated platform that manages pressure, flow rate, and temperature simultaneously, improving precision without proportionally increasing complexity
Data Source
AI summary
A control system and a control method for automated controlling of a crossflow filtration system, as well as a corresponding crossflow filtration system, are provided. The control system comprises a measurement value processing unit configured to receive a plurality of sensor signals from a plurality of sensors of the crossflow filtration system; and to determine a plurality of process parameters defining an operation state of the crossflow filtration system based on the plurality of sensor signals.