Biomass Heating Apparatus with Segmented Brazier and Oxygen Combustion
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Solution Overview
Problem
Existing biomass-fueled heating apparatuses suffer from poor performance, limited versatility, difficult management of gas production, discontinuous operation, and high pollutant emissions due to inefficient combustion processes.
Innovation Solution
A heating apparatus with a brazier that receives biomass and a controlled first comburent, allowing for continuous, automatic, and adjustable introduction of biomass and comburent, with a combustion chamber for complete gas combustion, and recirculation means to reduce pollutant emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If ambient air is introduced into the brazier to fuel combustion, then the combustion process can be sustained, but nitrogen oxides are produced which are very polluting
Solution Approach 1:
The patent extracts the harmful nitrogen component from the combustion process by using pure oxygen instead of ambient air. This eliminates nitrogen oxides formation while maintaining combustion sustainability, as the oxygen is introduced separately without nitrogen contamination.
Solution Approach 2:
The patent creates an inert environment by replacing ambient air with pure oxygen in the combustion zone. This inert atmosphere (free from nitrogen) prevents the formation of nitrogen oxides while still supporting complete combustion of the combustible gases.
2Ease of manufacture
If biomass is loaded in batches into the brazier, then the pyrolysis process can be initiated, but the operation becomes discontinuous and requires frequent operator intervention
Solution Approach 1:
The patent implements continuous operation by maintaining a constant supply of biomass to the pyrolysis zone and continuously extracting combustible gases for combustion. This eliminates batch loading requirements and enables uninterrupted operation, improving productivity while maintaining easy pyrolysis initiation.
Solution Approach 2:
The patent applies preliminary action by pre-heating the biomass continuously as it feeds into the pyrolysis zone, ensuring consistent pyrolysis initiation without requiring manual intervention. The system prepares the biomass in advance through continuous heating, maintaining steady-state operation.
3Device complexity
If the brazier is designed for simple biomass loading, then the structure remains simple, but the management of gas production speed and calorific power becomes difficult
Solution Approach 1:
The patent segments the brazier into distinct functional zones: a pyrolysis zone for biomass decomposition and a separate combustion zone for gas combustion. This segmentation allows independent control of gas production and combustion rates, improving ease of operation while maintaining relatively simple structure.
Solution Approach 2:
The patent introduces dynamic control elements including adjustable biomass feed rates and controllable gas extraction mechanisms. These dynamic features enable precise management of gas production speed and calorific power output without significantly increasing structural complexity.
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 apparatus achieves continuous operation, reduced pollutant emissions, improved management of gas production and heat generation, and enhanced automation, addressing the limitations of existing technologies.
Implementation Method 1
the brazier (11) is suitable to receive a biomass (C) and a first comburent (F1) and to thermally decompose the biomass (C) and produce at least one combustible gas (S)
Implementation Method 2
a combustion chamber (20) which is suitable to receive a second comburent (A) and the combustible gases (S) and to develop heat by means of a flame
Data Source
Figure 1~3
Figure 4~6
Figure 7
AI summary
Heating apparatus (10, 100, 200, 300), comprising a brazier (11) configured to receive a biomass (C) which functions as fuel and a first comburent (F1) and suitable to thermally decompose said biomass (C) and produce at least one combustible gas (S).