Slit Cyclone Collector Structure for Low Pressure Loss Dust Separation
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Solution Overview
Problem
Conventional cyclone dust collectors have low dust collecting efficiency and high pressure loss, and are prone to abrasion when handling abrasive dust particles, leading to increased operational costs and reduced lifespan.
Innovation Solution
The cyclone dust collector design incorporates a collector body with a primary and secondary collecting unit, featuring slits on the walls and a smaller inner diameter to enhance dust removal efficiency through inertial and centrifugal forces, and includes guide vanes or fans to swirl the gas, reducing pressure loss and abrasion via a double wall structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional cyclone dust collector is used, then the structure is simple, but the dust collecting efficiency is low
Solution Approach 1:
The cyclone body is divided into multiple sections with different diameters (first section with diameter D1, second section with diameter D2 where D2 < D1). This segmentation allows different sections to handle different sizes of dust particles, improving overall collecting efficiency while maintaining a relatively simple structural concept.
Solution Approach 2:
The invention introduces a vertical dimension by creating sections with different diameters at different heights. The transition from a single-diameter structure to a multi-diameter vertical structure enables better separation of dust particles with different inertias, enhancing efficiency without significantly complicating the overall device.
2Loss of energy
If a conventional cyclone dust collector is used, then the device is simple, but the pressure loss is high
Solution Approach 1:
Dividing the cyclone into sections with different diameters optimizes the flow path. The larger first section handles coarse particles with lower pressure loss, while the smaller second section handles fine particles. This segmented approach reduces overall pressure loss compared to a single-diameter design.
Solution Approach 2:
The invention changes the geometric parameter (diameter) along the vertical direction, creating a tapered structure. This parameter change optimizes the balance between centrifugal force generation and pressure loss, allowing efficient dust collection with reduced energy loss.
3Reliability
If a conventional cyclone is applied to remove abrasive dust particles, then the cyclone is easily worn out, but reinforcing the inner wall increases cost
Solution Approach 1:
The cyclone is segmented into sections, with the second section having a smaller diameter and being more resistant to abrasive wear. This segmentation allows the more wear-resistant smaller section to handle the abrasive dust particles, extending the overall lifespan without requiring expensive reinforcement of the entire structure.
Solution Approach 2:
Different sections of the cyclone have different local qualities - the first section with larger diameter handles general dust collection, while the second section with smaller diameter is specifically designed to handle abrasive particles. This local differentiation improves reliability where needed without unnecessarily increasing overall manufacturing cost.
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 achieves dust collecting efficiency comparable to or better than conventional cyclones while significantly reducing pressure loss by up to 90% and mitigating abrasion issues, thereby lowering operational costs and extending the lifespan of the collector.
Implementation Method 1
The dust collector uses a principle that, if dust laden gas is applied with acceleration much larger than gravity, a separating velocity of dust particles from gas becomes larger compared to a settling velocity by weight
Implementation Method 2
a cyclone dust collector that removes dust particles in dirty gas by separating dust particles from dirty gas using inertial force and centrifugal force
Data Source
AI summary
A cyclone dust collector having a single or multiple dust collection bodies installed within a housing, wherein the dust collection body is composed of an upper primary cylindrical dust collection part and a lower secondary conical duct collection part, and a single or multiple slits are cut in the wall surfaces of the primary and secondary dust collection parts in such a manner that large dust particles with large inertial force are removed between the dust collection housing and the dust collection body via the slit(s), while small dust particles with small inertial force make a swirling flow motion within the dust collection body and are removed by the centrifugal force.