Multi-conical cyclone separator and dust collecting apparatus including the same
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Solution Overview
Problem
Existing multi-conical cyclone dust collectors suffer from poor filtering efficiency due to high negative pressure, low airflow rate, and increased noise, along with high production and assembly costs, primarily because of complex structures and unnecessary components.
Innovation Solution
A multi-conical cyclone separator with a simplified structure featuring conical tubes and a cover body with diversion columns, compensation tuyeres, and a guide angle to enhance airflow and reduce negative pressure, integrated with a dust collecting apparatus that includes primary and secondary filtering stages for improved separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a multi-conical cyclone separation system is used to separate smaller dust particles, then the separation capability is improved, but the negative pressure increases and airflow rate decreases
Solution Approach 1:
The cyclone separator is divided into multiple conical tubes arranged circumferentially, with each tube handling a portion of the airflow. This segmentation allows the system to maintain high separation efficiency for fine particles while distributing the total airflow across multiple channels, preventing excessive negative pressure buildup in any single channel.
Solution Approach 2:
Different regions of the cyclone separator have optimized geometries tailored to their specific functions. The conical tubes have specific angle ranges (30-60 degrees) optimized for particle separation, while the compensation tuyeres have smaller diameters than main air inlets to create localized pressure balancing effects. This local optimization allows simultaneous achievement of high separation efficiency and adequate airflow rate.
2Manufacturing precision
If a multi-conical cyclone separation system is used to separate smaller dust particles, then the separation capability is improved, but the noise generated increases
Solution Approach 1:
By dividing the high-velocity airflow into multiple separate conical tubes, the noise from any single tube is reduced. The circumferential arrangement distributes the acoustic energy across space, and the compensation tuyeres further dampen pressure fluctuations that generate noise, maintaining separation efficiency while reducing overall noise levels.
3Speed
If a spiral fan blade structure is added to rotate airflow in existing multi-conical structure, then the vortex flow is enhanced, but the separation effect of gas and dust is reduced
Solution Approach 1:
Instead of using fan blades to create vortex flow (as in conventional designs), this invention inverts the approach by allowing the cyclone geometry itself and the motor-driven vortex to directly generate the required rotational flow. The conical tube geometry naturally converts the axial motor-driven flow into rotational vortex flow, eliminating the need for intermediate fan blades that would interfere with particle separation.
4Reliability
If multi-conical upper cover, middle cover and lower cover are used in existing multi-conical structure, then the separation structure is complete, but the assembly complexity and costs increase
Solution Approach 1:
The invention merges the upper and lower cover structures into a single integrated multi-conical cover body that houses all conical tubes and diversion columns. This consolidation reduces the number of separate components from three (upper cover, middle cover, lower cover) to two (main body and cover body), simplifying the assembly process while maintaining the complete separation functionality through the integrated design.
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 solution reduces assembly complexity and costs while enhancing dust-gas separation efficiency by optimizing the cyclone structure and eliminating the need for fan blades, resulting in improved separation of dust impurities and reduced noise.
Implementation Method 1
a high-speed vortex flow is formed in each conical tube to separate air with dust impurities attached
Implementation Method 2
A high-speed vortex flow is formed in each conical tube to separate air with dust impurities attached
Implementation Method 3
a compensation tuyere for compensating an inlet air flow rate to reduce a negative pressure in the conical tube
Data Source
AI summary
The invention discloses a conical cyclone separator and a dust collecting apparatus including the same. The multi-conical cyclone separator includes a multi-conical main body and a fitting multi-conical cover body, the multi-conical main body has conical tubes, the multi-conical cover body has diversion columns which correspond to the conical tubes one by one, the diversion column is inserted into the corresponding conical tube to form a casing structure, the side of each conical tube of the multi-conical main body is provided with an air inlet and a compensation tuyere for compensating an inlet air flow rate to reduce a negative pressure in the conical tube and improve a dust-gas separation effect.