Potential Fluidization Device Bubble Pressure Stabilization
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Solution Overview
Problem
Conventional fluidization devices for transporting powdery materials in a hyperdense phase face limitations in flexibility, design complexity, and energy efficiency due to the need for balancing columns, which also lead to turbulence and particle entrainment, affecting the stability and efficiency of the conveying process.
Innovation Solution
The introduction of a depression-creating means, such as a leak valve or orifice, at the level of each bubble in the aeroduct allows for stabilization of bubble pressure and flow, potentially eliminating the need for balancing columns, thereby enhancing flexibility and reducing energy consumption while maintaining stable material transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If balancing columns are used to balance gas pressure in conventional potential fluidization devices, then stable material transport is achieved, but device complexity and energy consumption increase
Solution Approach 1:
The invention extracts and eliminates the balancing columns from the system by introducing a depression-creating means (leak valve or orifice) at the bubble level. This removes the complex balancing column structure while maintaining the essential function of pressure balance through a simpler component.
Solution Approach 2:
The invention changes the pressure parameter control mechanism from active balancing columns to passive depression-creating means. The leak valve or orifice creates a controlled pressure depression that naturally balances the gas pressure without requiring complex mechanical balancing structures.
2Reliability
If balancing columns are used to maintain hyperdense bed, then material transport stability is improved, but energy consumption increases
Solution Approach 1:
The invention extracts the energy-consuming balancing column mechanism and replaces it with a passive depression-creating means that operates without additional energy input, thereby reducing overall system energy consumption while maintaining transport stability.
Solution Approach 2:
The depression-creating means (leak valve or orifice) operates autonomously to maintain pressure balance and hyperdense bed conditions without requiring external energy input or active control, making the system self-regulating and energy-efficient.
3Productivity
If conventional fluidization is used to transport powder materials, then material flow is achieved, but particle entrainment and turbulence occur
Solution Approach 1:
The invention changes the flow regime by introducing controlled depression at the bubble level, which stabilizes the gas flow and prevents turbulence. This parameter change maintains material flow productivity while eliminating harmful particle entrainment through reduced flow instability.
4Productivity
If depression-creating means is introduced to stabilize bubble pressure, then transport capacity increases, but device complexity increases
Solution Approach 1:
The invention extracts the complex balancing column structure and replaces it with a simple depression-creating means (leak valve or orifice), thereby increasing transport capacity through better pressure control while actually reducing device 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
This approach stabilizes the bubble pressure and flow, reduces particle entrainment, and increases the transport capacity of the conveyor, making the system more efficient and flexible, while also simplifying the design and reducing energy consumption.
Implementation Method 1
separated by a porous wall through which said gas can pass
Implementation Method 2
comprising a vacuum creating means, which creates a vacuum, or pressure drop, substantially constant
Implementation Method 3
the fluidization gas is introduced under a given pressure pf into the lower channel, passes through said porous wall, then passes between the particles at rest of the powdery material
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a device enabling powder material (12) to be transported, including a conveyor (3), which includes a lower channel (6) wherein a gas flows, and an upper channel (7) intended for the circulation of the powder material and said gas, said lower channel and said upper channel being separated by a porous wall (5) through which said gas is capable of passing, the lower channel being supplied with pressurized gas enabling potential fluidization of said power material in said upper channel, said upper channel being provided with transverse walls (50) in the upper portion thereof, which are arranged such that same define, together with the upper wall of said upper channel, at least one roof in which a pressurized gas bubble (20.1, 20.2) forms by the potential fluidization pressurization of said air channeling. In the vicinity of at least one bubble thus formed, the wall of the upper channel includes a fluidization gas discharge means provided with a partial vacuum-producing means (120.1, 120.2), which produces a substantially constant partial vacuum.