Fluidized Bed Reactor With Rotating Blades
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Solution Overview
Problem
Existing fluidized bed reactor technologies require large volumes and energy-intensive processes, and they often suffer from vibration and gas injection issues, limiting their efficiency and flexibility for various applications.
Innovation Solution
A fluidized bed reactor apparatus with a cylindrical reactor chamber and a rotating shaft equipped with radially extending blades, connected to a drive unit, which creates and adjusts a fluidized bed without vibration or gas injection, achieving extreme surface area in a limited volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If traditional fluidized bed reactor equipment is used, then fluidized bed processing can be achieved, but the equipment occupies large volume and requires high energy consumption
Solution Approach 1:
The patent applies the dynamics principle by replacing static gas injection methods with a dynamic rotating blade system. The rotor equipped with radially extending blades rotates to mechanically fluidize the bed material, creating a more efficient and compact fluidized bed reactor that reduces both energy consumption and equipment volume compared to traditional stationary fluidized bed designs
Solution Approach 2:
The patent substitutes the conventional pneumatic system (gas injection) with a mechanical rotation system. The rotating blades directly mechanically agitate and fluidize the bed material through rotational motion, eliminating the need for large volumes of gas and associated high energy consumption, thereby achieving compact equipment design with lower energy requirements
2Reliability
If traditional fluidized bed reactor equipment is used, then fluidized bed processing can be achieved, but vibration and gas injection issues occur
Solution Approach 1:
The patent extracts and eliminates the harmful gas injection system from the reactor design. By removing the gas injection apparatus entirely and replacing it with a mechanical rotation system, the source of gas injection issues and associated vibrations is eliminated, improving operational stability and reliability
Solution Approach 2:
The patent creates a simplified copy of the fluidized bed function using rotational mechanics instead of pneumatic methods. The rotating blades replicate the fluidizing effect traditionally achieved through gas injection but without the harmful side effects, providing a more reliable and stable operational process
3Productivity
If traditional fluidized bed reactor equipment is used, then processing can be performed, but retention time is high and processing efficiency is limited
Solution Approach 1:
The dynamic rotation of blades creates intense mixing and circulation within the fluidized bed, significantly enhancing mass and heat transfer rates. This dynamic action reduces the retention time required for processing while increasing productivity, as materials are more rapidly and uniformly processed compared to traditional static fluidized bed systems
Solution Approach 2:
The periodic rotation of the blade rotor creates cyclic fluidization patterns that enhance mixing efficiency and processing rates. This periodic mechanical action ensures thorough contact between processing materials and catalysts, reducing required retention time while maintaining or improving overall processing efficiency and productivity
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 enables efficient processing of organic materials with low retention time, high fluidized bed density, and flexibility for multiple processes, including pyrolysis, Fischer-Tropsch, and heat exchanging, while minimizing energy consumption and equipment size.
Implementation Method 1
A fluidized bed reactor apparatus with a cylindrical reactor chamber and a rotating shaft equipped with radially extending fluidization blades disposed in the reactor chamber... creating a fluidized bed in the reactor chamber
Implementation Method 2
The cracking and the hydrogenating of the substances in the presence of hydrogen releasing chemicals as water is performed in a mechanical established fluidized bed of fine grained solids where the mechanical action in the fluidized bed generates the heat participating in the cracking
Data Source
AI summary
Fluidized bed reactor apparatus, comprising a cylindrical reactor chamber (10), and a rotating shaft (14) equipped with radially extending fluidization units (16) disposed in the reactor chamber (10), said rotating shaft (14) being connected to a drive unit (42). The apparatus further comprising means for feeding fluidizing bed material into the reactor chamber (10), creating a fluidized bed (28) in the reactor chamber (10), means for feeding organic material that shall be processed into the fluidized bed (28) in the reactor chamber (10), and one or more outlets (22,24) for discharge of material, gases and vapors, wherein the process in the reactor chamber (10) is controlled by a control system (40) connected to at least the drive unit (42). The invention also relates to a method for processing organic material using a fluidized bed reactor apparatus.