Embedded Cable Module for Refractory Damage Detection
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Solution Overview
Problem
In industrial furnaces, it is difficult to promptly identify and manage damage to refractories due to thermal shock, leading to product defects, heat loss, equipment damage, and safety risks.
Innovation Solution
An integrated heated member management system with a cable module inserted into the refractory, a measurement module outside to detect changes in resistance or current values, and an integrated management module to calculate damage location and depth, providing real-time monitoring and management information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If refractory is disposed inside industrial furnace, then it can protect the furnace from high-temperature conditions, but it becomes difficult to promptly determine whether the refractory has been damaged
Solution Approach 1:
A cable module is introduced as an intermediary element embedded within the refractory structure. This cable module contains conductive wires that serve as sensors to detect changes in the refractory's condition. The measurement module externally monitors electrical signals from these wires, enabling indirect detection of refractory damage without direct access to the high-temperature interior environment.
Solution Approach 2:
The patent replaces traditional mechanical or visual inspection methods with an electrical sensing system. Instead of physically examining the refractory or using optical methods that cannot penetrate the structure, the system uses electrical resistance measurements through embedded wires to detect thermal shock damage, substituting mechanical/optical approaches with electrical field-based detection.
2Productivity
If damaged refractory is not repaired or replaced in time, then operational continuity is maintained, but product defects occur and product quality deteriorates
Solution Approach 1:
The system establishes a continuous feedback loop where the measurement module constantly monitors the cable module's electrical signals and transmits data to the integrated management module. When damage is detected, the system provides real-time feedback alerts, enabling timely decision-making for refractory replacement before product quality deteriorates, thus balancing operational continuity with quality maintenance.
Solution Approach 2:
The patent enables preliminary detection of refractory damage before it affects product quality. By continuously monitoring the refractory's condition and detecting early signs of thermal shock damage, the system allows for proactive maintenance scheduling, replacing refractory elements before they cause product defects or quality deterioration.
3Stability of the object's composition
If damaged refractory separates from the inner wall, then the structural integrity is compromised, but molten metal flows out through gaps causing heat loss and equipment damage
Solution Approach 1:
The system takes preliminary anti-action by detecting refractory damage and potential separation from the inner wall before molten metal can exploit these defects. The continuous monitoring enables early warning of structural compromise, allowing preventive measures to be taken before heat loss and equipment damage occur.
Solution Approach 2:
The monitoring system provides real-time feedback on the refractory's structural condition by detecting changes in electrical resistance patterns that indicate separation or damage. This feedback mechanism enables timely intervention to prevent molten metal leakage and associated heat loss.
4Device complexity
If traditional monitoring methods are used, then system complexity is low, but damage location and degree cannot be ascertained
Solution Approach 1:
The cable module is segmented into multiple sections with individual wires or conductive elements positioned at different locations within the refractory. By measuring resistance changes in each segment independently, the system can precisely locate damage positions and assess the degree of damage in specific areas, providing detailed spatial information about refractory condition.
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
Enables prompt identification and management of refractory damage, preventing heat loss, equipment damage, and ensuring worker safety by accurately determining the location and extent of thermal shock-induced damage.
Implementation Method 1
The measurement module may measure a resistance value changed as the cable module is damaged due to damage to the heated member by the molten material
Data Source
AI summary
An integrated heated member management system includes: a cable module at least partially inserted into a heated member; a measurement module for measuring information generated in the cable module; an integrated management module for identifying a degree of damage to the heated member by a molten material on the basis of the information measured by the measurement module, to generate management information relating to the heated member; and a local terminal for receiving, from the integrated management module, the management information relating to the heated member.