Grinding Roller Temperature Sensor Nesting
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Solution Overview
Problem
Existing grinding and milling systems face challenges in accurately monitoring and controlling the temperature and wear of grinding rollers, leading to potential fires, inefficient processing, and manual intervention, which is prone to errors and safety risks.
Innovation Solution
A self-optimizing control system with integrated sensors within the grinding rollers, including temperature, pressure, and vibration sensors, that transmit data to a control unit for real-time monitoring and adaptive adjustments, enabling automated and precise operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If optical or non-contact temperature sensors are used to monitor the circumferential surface of the grinding roller, then the temperature can be detected without contact, but the sensors are located in the product space through which material flows and become extremely susceptible to soiling
Solution Approach 1:
The temperature sensor is extracted from the product space and relocated to the interior of the grinding roller through a receiving opening. This allows temperature measurement without exposing the sensor to material flow and soiling, while maintaining reliable temperature monitoring capability.
Solution Approach 2:
The measuring device with temperature sensor is nested within the receiving opening of the grinding roller body. The sensor is positioned inside the roller interior, effectively nesting the measurement system within the roller structure to avoid external contamination.
2Reliability
If temperature sensors are disposed on one side or both sides of the roller in the bearing housing region, then the temperature can be monitored, but the temperature is determined with delay both in time and space when the surface temperature has reached the bearings
Solution Approach 1:
The temperature sensor is positioned in advance at the grinding roller surface through the receiving opening, enabling immediate temperature detection at the source before heat transfers to the bearings. This preliminary positioning eliminates the time delay inherent in bearing-mounted sensors.
Solution Approach 2:
The temperature measurement is localized directly at the grinding roller surface where heat generation occurs, rather than being distributed to the bearing region. This local measurement approach provides accurate, real-time temperature data at the critical location without temporal or spatial delay.
3Ease of operation
If non-contact temperature sensors are disposed at a distance from the circumferential surface of the grinding roller, then the sensors can operate without contact, but the actual temperature of the circumferential surface can deviate significantly from the measured temperature
Solution Approach 1:
The sensor is extracted from external non-contact positioning and relocated to the interior of the roller, allowing contactless measurement while eliminating distance-related accuracy losses. The sensor remains electrically isolated while achieving thermal proximity.
Solution Approach 2:
The receiving opening serves as an intermediary structure that allows the temperature sensor to approach the circumferential surface closely without direct external contact. This intermediary pathway enables accurate temperature measurement while maintaining sensor protection and electrical isolation.
4Device complexity
If measurement devices are disposed outside the circumferential surface of the grinding roller, then the sensors can operate independently, but the measurement accuracy is reduced due to distance and environmental factors
Solution Approach 1:
The measuring device is merged with the roller structure by positioning it within the receiving opening of the roller body. This integration allows the sensor to operate independently while achieving close proximity to the measurement surface, combining the benefits of both independence and 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
Enhances operating safety, increases grinding efficiency, and reduces manual intervention by providing accurate and continuous monitoring of roller conditions, preventing overheating and optimizing processing parameters.
Implementation Method 1
A measuring device (12, 12') is inserted into a receiving opening (11, 11') of a roller body (10, 10') of the at least one roller (1, 1')... which comprises at least one sensor (2, 2') for detecting measurement values that characterize a state of the roller (1, 1')
Implementation Method 2
The sensor (2, 2') is designed as a temperature sensor (2a)... and/or a vibration sensor (2b)
Implementation Method 3
The sensor (2, 2') is designed as a pressure sensor (2d)
Data Source
AI summary
A self-optimizing, adaptive product processing system and a corresponding method for grinding and/or crushing cereals and seeds. The grinding and/or crushing takes place in at least one roller mill which includes a roller pair. So as to detect the temperature of the surfaces of the rollers, at least two temperature sensors are disposed on at least one of the rollers. The detected temperature measurement values are used for optimal adjustment and signal generation of the roller setting.