Modular Combustion Grate for Waste Incineration
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Solution Overview
Problem
Existing waste disposal plants with combustion grates face complexity and reliability issues due to intricate structural components, which can lead to operational disruptions and maintenance challenges, necessitating a simpler and more robust design for continuous operation.
Innovation Solution
A modular combustion grate with a simplified construction that integrates sliding and movement limiting elements into a single assembly, using structural beams that also serve as support and actuation components, reducing the need for additional reinforcement and allowing for easier assembly and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a complex structural design with separate reinforcement components is used for the combustion grate, then the structural strength may be improved, but the device complexity and maintenance difficulty increase
Solution Approach 1:
The patent combines the longitudinal beam and transverse beam into a single integrated modular frame structure. The longitudinal beam serves as both a structural support element and a carrier for the transverse beams, eliminating the need for separate reinforcement components. This merging reduces the number of parts while maintaining structural integrity through the integrated design.
Solution Approach 2:
The longitudinal beam is designed to perform multiple functions: it provides structural support, carries the transverse beams, and serves as a mounting structure for the fire bars. This multi-functionality reduces the need for additional reinforcement components and simplifies the overall structure while maintaining strength.
2Reliability
If traditional combustion grate designs with separate components are used, then structural support is provided, but the maintenance time and operational downtime increase
Solution Approach 1:
The combustion grate is divided into modular units that can be independently removed and replaced. Each module includes the longitudinal beam, transverse beams, and fire bars as an integrated assembly. This segmentation allows for quick maintenance by simply replacing the entire module rather than disassembling and repairing individual components, significantly reducing maintenance downtime.
Solution Approach 2:
The modular design allows pre-assembled units to be prepared in advance. When maintenance is needed, a ready-to-install modular unit can be quickly swapped in, minimizing the time the combustion grate is out of service. The standardized interface and design enable rapid replacement without extensive on-site assembly work.
3Stability of the object's composition
If multiple separate components are used in the combustion grate structure, then structural integrity is maintained, but the number of parts and assembly complexity increase
Solution Approach 1:
The patent merges the longitudinal beam, transverse beams, and fire bars into an integrated modular unit. The longitudinal beam is designed to directly carry the transverse beams, which in turn support the fire bars, creating a unified structure that maintains integrity while reducing the number of separate components that need to be assembled and managed.
4Ease of operation
If conventional grate designs with intricate components are used, then waste advancement function is achieved, but the operational reliability decreases due to more potential failure points
Solution Approach 1:
The modular frame design incorporates movable components that enable the waste advancement function. The longitudinal beam and transverse beams are designed to move relative to each other, allowing the fire bars to advance and retreat as needed for waste processing. This dynamic design maintains operational functionality while reducing the number of fixed, potentially failure-prone connections.
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
The modular design enhances the reliability and maintainability of the waste disposal plant by reducing complexity, minimizing downtime for maintenance, and allowing for efficient waste advancement with a more predictable and durable operation.
Implementation Method 1
The combustion air has in fact the double function of providing the oxygen for the oxidation of the waste and of cooling the fire bar by maintaining it at an acceptable temperature in order to maintain the mechanical characteristics.
Implementation Method 2
The actuation system is normally made of hydraulic pistons.
Data Source
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AI summary
A waste disposal plant comprising a combustion chamber (2) inside which waste laid on a combustion grate (3) are burnt, which permits the entrance of an adequate quantity of combustion air in the chamber through it. Said combustion grate comprises at least a handling group formed by a plurality of fire bars or plates (7), which move alternatively on with respect to the other by advancing the waste on said grate. Handling means permit the alternate movement of the fire bars (7) which are divided in movable fire bars (7a) and fixed fire bars (7b), alternately disposed one with respect to the other, on transversal rows resting one upon the other according to a longitudinal placement with alternate steps.