Slow heat release stove
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Solution Overview
Problem
Conventional storage heating stoves require manual fuel feeding, leading to user intervention, potential fuel overconsumption, and increased pollution, especially for inexperienced users, and lack control over heat release after the stove is turned off.
Innovation Solution
A storage heating stove with a base, furnace, and heat storage material, featuring automatic pellet fuel feeding and heat storage ducts, allowing for prolonged heat release and reduced user intervention, with an Archimedean screw for precise fuel delivery and a valve for efficient heat management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual wood feeding is used in conventional storage heating stoves, then the stove can heat the room effectively, but user intervention is required and fuel consumption cannot be precisely controlled
Solution Approach 1:
The system uses a sensor to detect when the heat storage material temperature drops below a threshold, automatically triggering the fuel feeding mechanism without requiring user intervention. The stove serves itself by monitoring its own thermal state and initiating refueling when needed.
Solution Approach 2:
The manual mechanical operation of adding wood is replaced by an automated system combining sensors, control logic, and mechanical feeding components. The sensor-based detection system substitutes for human monitoring, while the automated feeding mechanism replaces manual wood insertion.
2Measurement precision
If approximate wood feeding is used, then the operation is simple, but fuel overconsumption occurs and polluting emissions increase
Solution Approach 1:
The system incorporates a sensor that continuously monitors the temperature of the heat storage material and provides feedback to the control system. Based on this feedback, the system determines when fuel needs to be added and controls the feeding amount precisely, preventing overconsumption and reducing emissions.
Solution Approach 2:
The system performs preliminary detection of the thermal state before fuel is added. By monitoring temperature thresholds in advance, the system triggers fuel feeding at the optimal moment, ensuring precise control over when and how much fuel is consumed, thereby avoiding waste and pollution.
3Duration of action of moving object
If heat storage material is used to accumulate heat energy, then heat can be released for several hours, but the stove requires manual intervention for fuel feeding
Solution Approach 1:
The stove autonomously monitors its own thermal state through sensors and automatically initiates fuel feeding when the heat storage material temperature drops below a predetermined threshold, eliminating the need for user intervention and maintaining extended heat release capability.
Solution Approach 2:
The system ensures continuous monitoring of the heat storage material temperature and maintains continuous operation by automatically refueling when needed, thereby preserving the extended heat release duration without interruption or manual intervention.
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 operational autonomy, precise fuel control, and extended heat release, reducing energy consumption and pollution, while maintaining optimal surface temperature for longer periods without user intervention.
Implementation Method 1
heat storage material that is suitable for storing heat conveyed by the combustion fumes and for progressively releasing it into the room to be heated
Implementation Method 2
storing heat conveyed by the combustion fumes
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A storage heating stove, comprising a base (2), a furnace (3) provided with a relative brazier (4) foreseen inside it, and at least one conveying duct (5) for conveying the combustion fumes generated inside the furnace (3) associated with respective suction means (6), the conveying duct (5) being at least partially surrounded, along at least one portion of its length, by heat storage material (7) suitable for storing heat conveyed by the combustion fumes and for progressively releasing it into the environment to be heated; the stove further comprises at least one solid fuel tank (11), of the pellet type, associated with the base (2) and provided with automatic feeding means (12) for feeding the fuel communicating with an opening (13) foreseen in the furnace (3).