Dust collecting device using multi-cyclone dust filtration
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Solution Overview
Problem
Conventional cyclone separators have limited dust filtration effectiveness, particularly in industrial applications, due to their bulky design and complex structure, which makes them unsuitable for efficient separation of smaller dust particles and requires frequent filter replacements, especially in hazardous environments.
Innovation Solution
A dust collecting device using multi-cyclone filtration with an airflow guiding component that generates multiple cyclones within the cyclone chamber, increasing rotational speed and centrifugal force to separate tiny dust particles, eliminating the need for a filter screen and reducing maintenance downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the volume of chamber within the separation cylinder is increased to improve dust filtration effect, then the dust filtration effectiveness is improved, but the whole volume of the cyclone separator becomes bulky
Solution Approach 1:
The invention divides the single large cyclone chamber into multiple smaller cyclone chambers (first cyclone chamber, second cyclone chamber, third cyclone chamber, etc.). Each chamber contains a separate cyclone structure that processes a portion of the gas flow. This segmentation allows the system to achieve high dust filtration effectiveness through multiple stages of separation while keeping each individual chamber compact, thus avoiding the need for a single bulky chamber.
2Reliability
If a multi-layered dust filtering inner cylinder is provided within the separation cylinder to improve dust filtration effect, then the dust filtration effectiveness is improved, but the structure becomes complex and maintenance becomes difficult
Solution Approach 1:
Instead of using a complex multi-layered inner cylinder structure within a single chamber, the invention segments the separation function into multiple independent cyclone chambers. Each chamber is a simple, self-contained unit with standard components (inlet, outlet, separation cylinder, and dust cup). This approach achieves enhanced filtration through parallel processing while maintaining structural simplicity and ease of maintenance.
Solution Approach 2:
The invention combines multiple simple cyclone separation units into a single integrated system that processes gas flow in sequence or parallel. By merging several straightforward cyclone structures rather than complicating a single chamber, the system achieves superior dust filtration effectiveness while avoiding the structural complexity and maintenance issues of multi-layered filtering cylinders.
3Reliability
If a multi-layered dust filtering inner cylinder is used to improve dust filtration effect, then the dust filtration effectiveness is improved, but periodic replacement of the dust filtering inner cylinder is required causing system shutdown
Solution Approach 1:
The invention divides the dust collection function into multiple independent cyclone chambers, each with its own dust cup. This segmentation allows for individual chamber maintenance without affecting the entire system. When one chamber requires cleaning or replacement, other chambers continue to operate, eliminating the need for complete system shutdown and reducing downtime significantly.
Solution Approach 2:
Each cyclone chamber is designed as a self-contained unit with easy-access dust cups that can be independently removed and cleaned. The simple modular design enables rapid maintenance without requiring system shutdown or complex disassembly, allowing quick replacement or cleaning of individual chambers while the rest of the system continues to provide dust filtration effectiveness.
4Device complexity
If a household dust suction device structure is adopted for industrial application to reduce device complexity, then the structure is simplified, but the dust filtration effect does not meet industrial requirements
Solution Approach 1:
The invention adapts the simple household cyclone structure for industrial use by segmenting it into multiple chambers. Each chamber maintains the simplicity of household designs, but the combined multi-chamber system achieves the high dust filtration effectiveness required for industrial applications. This approach preserves structural simplicity while meeting stringent industrial filtration requirements.
Solution Approach 2:
The invention merges multiple simple cyclone units into an integrated industrial-grade system. By combining several straightforward cyclone structures that resemble household designs, the system achieves enhanced dust filtration effectiveness suitable for industrial applications while maintaining relative structural simplicity and avoiding the need for complex multi-layered filtering systems.
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 device achieves enhanced dust filtration efficiency by creating secondary cyclones with higher centrifugal force, resulting in purer gas discharge without the need for frequent filter replacements, suitable for industrial applications.
Implementation Method 1
cyclone separation is one kind of centrifugal sedimentation, in which centrifugal force is used to rotate particles at high speed in an eddy airflow
Implementation Method 2
The higher the rotational speed is, the higher centrifugal sedimentation velocity the particles obtain
Implementation Method 3
guiding the gas to be filtered to flow spirally so as to form a second cyclone
Implementation Method 4
centrifugal force is used to rotate particles at high speed in an eddy airflow. The higher the rotational speed is, the higher centrifugal sedimentation velocity the particles obtain
Data Source
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AI summary
A dust collecting device (100) using multi-cyclone dust filtration includes a dust collecting chamber (11), a cyclone chamber (12) and an airflow guiding component (13). The dust collecting chamber (11) is communicated with the cyclone chamber (12). The cyclone chamber (12) is provided with an intake port (121) provided for a gas to be filtered (300) to enter, an annular side wall (122) being connected to the intake port (121) and guiding the gas to be filtered (300) to form a first cyclone (301), an engaging port (123) being communicated with the dust collecting chamber (11) and allowing the first cyclone (301) to enter the dust collecting chamber (11), and an exhaust port (124). The airflow guiding component (13) is provided within the cyclone chamber (12). The airflow guiding component (13) is provided with a return flow tube (131) receiving the returned gas to be filtered (300) and forming a second cyclone (302), an airflow guiding bonnet (132) separately located with respect to the return flow tube (131), and a dust filtration channel (133) formed between the airflow guiding bonnet (132) and the return flow tube (131). The second cyclone (302) is allowed to flow toward the exhaust port (124), and enable dust (502) contained therein to enter the cyclone chamber (12) again, as passing by the dust filtration channel (133).