Variable-Fuel Ceramic Firing Kiln with Automated Flow Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing kilns face challenges in achieving optimal firing conditions for ceramic articles when using variable composition fuel mixtures, leading to production defects and inefficiencies due to complex manual adjustments and production downtimes.
Innovation Solution
A kiln system with automated control of fuel and oxidizer flow rates, adjusted based on detected temperature and fuel mixture composition, to maintain optimal firing conditions and volume ratios, using a control assembly to regulate valves and ensure consistent product quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of fuel mixture and oxidizer flow rates is performed to maintain optimal firing conditions, then firing quality can be maintained, but production downtime increases and operational complexity increases
Solution Approach 1:
The patent implements a feedback control system where a detection device continuously monitors the actual composition of the fuel mixture and the firing temperature, and a control assembly automatically adjusts the flow rates of fuel mixture and oxidizer based on this feedback to maintain optimal firing conditions without manual intervention
Solution Approach 2:
The kiln system performs self-adjustment of combustion parameters through automated control. The system monitors its own operating conditions and automatically modifies fuel mixture and oxidizer flow rates to maintain optimal firing conditions, eliminating the need for external manual adjustment operations
2Manufacturing precision
If manual adjustment of adjustment valves is performed to change firing conditions, then optimal firing temperature and oxidizer-fuel ratio can be achieved, but device complexity and operational difficulty increase
Solution Approach 1:
The patent replaces manual mechanical adjustment of valves with an automated control system. The control assembly electronically actuates the adjustment valves based on feedback from detection devices, substituting mechanical manual operation with automated electro-mechanical control to simplify operation while maintaining precision
Solution Approach 2:
The system automatically modifies operating parameters (flow rates of fuel mixture and oxidizer) based on detected conditions. The control assembly changes these parameters dynamically to maintain optimal firing temperature and oxidizer-fuel ratio without requiring operator intervention
3Adaptability or versatility
If variable composition fuel mixtures are used to adapt to different production requirements, then versatility improves, but maintaining optimal firing conditions becomes more difficult
Solution Approach 1:
The detection device continuously monitors the actual composition of the fuel mixture, and this information is fed back to the control assembly which automatically adjusts the oxidizer flow rate and other parameters to compensate for variations in fuel composition, maintaining consistent firing conditions despite fuel variability
Solution Approach 2:
The system dynamically adjusts multiple operating parameters (oxidizer flow rate, fuel mixture flow rate) in response to detected fuel composition changes and temperature variations, allowing the system to adapt to variable fuel mixtures while maintaining optimal firing conditions
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 efficient and cost-effective firing of ceramic articles by maintaining precise temperature and oxygenation levels, reducing defects and downtime, and allowing for consistent production of high-quality ceramic products.
Implementation Method 1
a detection device (11) which is configured to detect the temperature inside所述 firing chamber (7)
Implementation Method 2
a combustion chamber in which the combustion mixture itself is burnt in order to heat the firing zone
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Method and kiln (1) for the firing of base ceramic articles (BC) comprising: a firing chamber (7) inside which the base ceramic articles (BC) to be fired are conveyed; at least one burner (4) for burning a combustion mixture to heat the firing chamber (7) and to fire the base ceramic articles (BC); first and second feeding device (12, 13) for feeding, respectively, a fuel mixture and an oxidizer to the burner (4); an identification unit (21) configured to assess the type of fuel mixture and a control assembly (22) which is configured to activate the feeding device (12) and/or the second feeding device (13) depending on the temperature detected in the firing chamber (7), and to adjust the activation of the second feeding device (13) depending on the type of fuel mixture and on the flow rate of the fuel mixture and on the flow rate of the oxidizer.