Gasification Reactor Shared Combustion Zone Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing gasification reactors with separate reaction zones face design and safety issues, high operational complexity, and maintenance challenges due to complex piping and sealing systems, which increase costs and operational difficulties.
Innovation Solution
The integration of interconnected fluidized beds replaces connecting piping with dense beds, forming a single reactor with shared partial reactor vessels, utilizing weir egresses and orifices for bed material conveyance and airtightness, simplifying the reactor geometry and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate reaction zones are used with connecting piping, then reaction processes can be separated into gasification and combustion areas, but system complexity and operational difficulty increase
Solution Approach 1:
The patent merges separate gasification and combustion reactors into a single integrated fluidized bed reactor. The connecting piping between separate zones is replaced by direct integration of reaction zones within one reactor vessel, eliminating complex external connections while maintaining functional separation through internal zone design.
Solution Approach 2:
The integrated reactor is segmented into distinct gasification and combustion zones using internal structures such as baffles or dense bed sections. This allows separate reaction processes to occur in defined regions within the single reactor, achieving process separation without requiring separate external reactors and piping.
2Adaptability or versatility
If connecting piping and seals are used between reaction zones, then gasification and combustion can be separated, but maintenance challenges and safety issues arise
Solution Approach 1:
The patent eliminates connecting piping and seals by merging the gasification and combustion zones into a single continuous reactor system. The transition between zones occurs through internal bed material circulation rather than external piping, removing the components that require maintenance and pose safety risks.
Solution Approach 2:
The system uses the fluidized bed material itself to facilitate the transition between gasification and combustion zones. The dense bed acts as a self-contained interface that requires no external sealing mechanisms or piping, making the system self-sufficient and maintenance-free at the zone interface.
3Reliability
If separate reactors with piping connections are used, then reaction zones can be isolated, but cost increases due to complex system requirements
Solution Approach 1:
The patent combines multiple reactor functions into a single reactor vessel, reducing the total number of components that need to be manufactured and assembled. The integrated design eliminates the need for separate reactor vessels, piping systems, and sealing components, thereby reducing manufacturing costs while maintaining zone isolation through internal design features.
4Adaptability or versatility
If multiple separate gasification areas are used, then multiple source materials can be processed, but land and space occupation increases
Solution Approach 1:
The patent integrates multiple gasification areas into a single reactor system, allowing simultaneous processing of multiple source materials in different zones or at different times. This consolidation achieves multi-material processing capability while occupying minimal space, as all processing occurs within one compact reactor vessel rather than requiring separate reactors distributed across land.
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
This design simplifies the system, reduces costs, and enhances operational ease, allowing simultaneous processing of multiple source materials while reducing land and space occupation, and achieving high-purity gas production by separating gasification and combustion zones.
Implementation Method 1
The bed material used is an inert material circulated between a combustion reactor 101 and a gasification reactor 102 to be a heat carrier delivering heat from a self-combustion zone to a gasification zone
Implementation Method 2
The heat carrier is then heated up by an exothermic reaction in the combustion zone to provide required endothermic energy for gasification reactions
Implementation Method 3
The heat carrier is then heated up by an exothermic reaction in the combustion zone to provide required endothermic energy for gasification reactions
Implementation Method 4
a first dense bed (12) at the bottom; a first orifice (121) at a bottom end of the first dense bed (12)
Data Source
AI summary
A gasification reactor is provided. The reactor comprises a first gasification area, a second gasification area and a shared combustion area. The shared combustion area is set between the first and second gasification areas. Therein, the (present invention applies interconnected fluidized beds in gasification. The connecting piping between the first and second gasification areas are separately replaced with dense beds to be integrated for forming a single reactor. Thus, the present invention simplifies the system, saves the cost and reduces the operation difficulty.