Dust Extraction Flow Distribution Device
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Solution Overview
Problem
Existing dedusting systems are inefficient due to unfavorable flow technology, where the directions of particle separation, gas flow, and gravity differ, leading to turbulence and ineffective particle collection, especially at higher volume flows.
Innovation Solution
A dedusting system with a housing featuring a flow distribution device, including a baffle plate that slows and evenly distributes the raw gas stream, ensuring it flows in a downward direction over self-supporting cylindrical filter cartridges attached to an inclined carrier plate, minimizing upward currents and optimizing particle collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the raw gas stream enters the housing and flows directly to the filter elements without flow distribution, then the device structure is simple, but turbulence occurs and particle separation efficiency deteriorates
Solution Approach 1:
A flow distribution device is introduced as an intermediary component between the raw gas inlet and the filter elements. This device includes a flow distribution plate with multiple flow distribution openings that evenly distribute the raw gas stream across the filter elements, preventing turbulence and improving particle separation efficiency without requiring complex structural changes to the entire system.
2Productivity
If the raw gas stream flows upward to reach the filter elements, then the filter elements can be positioned at the top, but the direction of gas flow opposes gravity causing turbulence and reducing particle collection efficiency
Solution Approach 1:
The system inverts the conventional upward flow configuration by implementing a downward flow configuration. The raw gas stream enters at the top and flows downward through the filter elements under the influence of gravity, with the flow distribution device ensuring even distribution. This inversion aligns the gas flow direction with gravity, eliminating turbulence and significantly improving particle collection efficiency.
3Manufacturing precision
If multiple flow distribution openings are provided in the flow distribution plate, then the raw gas stream is evenly distributed, but the manufacturing complexity increases
Solution Approach 1:
The flow distribution plate is designed with multiple flow distribution openings that can be manufactured using porous material techniques or standard drilling patterns. The plate includes a support structure with these openings arranged to ensure even gas distribution. This approach achieves uniform flow distribution while maintaining manufacturing simplicity through the use of conventional fabrication methods for creating multiple openings in a plate structure.
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 system effectively filters particles by aligning the flow direction with gravity, reducing turbulence and ensuring efficient particle movement to a collection container, even at higher volume flows, thereby improving the overall filtration efficiency.
Implementation Method 1
The dust is filtered out of the raw gas in the raw gas space 4. Clean gas passing through the filter elements 7 and thus dedusted reaches the clean gas space 5
Implementation Method 2
the directions of particle separation, gas flow and gravity differ. In both cases the dust is discharged downwards
Data Source
Figure 1A~1D
Figure 2
Figure 3A
AI summary
The invention relates to a dust removal system for removing dust from raw gas, comprising a housing bounded by housing walls, which has a raw gas inlet opening and a clean gas outlet opening and which is divided into a raw gas chamber and a clean gas chamber by a filter arrangement, wherein the filter arrangement comprises a carrier plate and a plurality of filter elements connected to the carrier plate, and wherein a flow distribution device is arranged between the raw gas inlet opening and the filter arrangement such that a raw gas flow entering through the raw gas inlet opening is slowed down and evenly distributed.