Cyclone Barrel Dual-Inlet Layout for Compact Dust Separation
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Solution Overview
Problem
The existing cyclone vacuum cleaners with dual-inlet air intake in the second cyclone unit occupy significant space, leading to inefficient airflow distribution and accumulation of dust on the cyclone barrels, affecting cleaning efficiency.
Innovation Solution
A cyclone separation device with a first cyclone unit and a second cyclone unit, where the airflow enters through tangential and symmetrically distributed air inlets on the cyclone barrels, increasing the cross-sectional area and improving airflow distribution, thereby enhancing separation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dual-inlet air intake mode is adopted in the second cyclone unit, then separation efficiency is improved, but space occupation increases and airflow distribution becomes uneven
Solution Approach 1:
The patent merges the two separate airflow passages into a single integrated airflow passage that serves both cyclone barrels. This consolidation reduces the total space required while maintaining the dual-inlet configuration, directly resolving the contradiction between improved separation efficiency and excessive space occupation.
Solution Approach 2:
The shared airflow passage performs multiple functions by serving both cyclone barrels simultaneously. This multi-functional design allows the system to achieve enhanced separation efficiency through dual-inlet operation without proportionally increasing the space required, as the airflow passage serves a dual purpose.
2Productivity
If dual-inlet air intake mode is adopted in the second cyclone unit, then separation efficiency is improved, but airflow distribution becomes uneven causing dust accumulation
Solution Approach 1:
The patent introduces asymmetric design elements within the airflow passage to create different flow characteristics for each cyclone barrel. By locally modifying the passage geometry, the system achieves balanced airflow distribution to both inlets, preventing dust accumulation while maintaining the separation efficiency benefits of dual-inlet operation.
Solution Approach 2:
The airflow passage employs asymmetric internal geometry to compensate for the symmetric dual-inlet configuration. This asymmetry in the passage design creates corresponding asymmetric flow patterns that balance the airflow distribution between the two cyclone barrels, resolving the uniformity issue while preserving the enhanced separation efficiency.
3Productivity
If air inlets are positioned with 180 degree phase difference, then separation efficiency is improved, but airflow passage space requirement increases
Solution Approach 1:
The patent nests the dual-inlet configuration within a compact shared airflow passage structure. The airflow passage is designed to efficiently route air to both cyclone barrels positioned at 180 degree phase difference, nesting the flow paths in a space-efficient manner that minimizes the overall area required while maintaining the separation efficiency benefits of the phased inlet arrangement.
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 improved airflow distribution and expanded air inlets in the cyclone separation device enhance the overall separation efficiency and reduce dust accumulation, leading to a more effective air cleaning process.
Implementation Method 1
The cyclone vacuum cleaner is a kind of cleaning equipment configured to separate the dusts from the air by means of a centrifugal force generated by a swirling airflow
Implementation Method 2
airflow enters the first cyclone separation unit from the tangential inlet 10a to undergo a first gas-solid separation
Data Source
AI summary
A cyclone separation device (102, 202) and a cyclone vacuum cleaner (100, 200) mounted with the device. A first cyclone separation unit in the cyclone separation device (102, 202) comprises a dust bucket (10) and a mesh filter (7) with air holes (7a). Airflow enters the first cyclone separation unit to undergo first gas-solid separation. The airflow after the separation enters a second cyclone separation unit through the air holes (7a) of the mesh filter (7). A filter in the second cyclone separation unit comprises a plurality of cyclone barrels (31). An upper end and a lower end of the cyclone barrel (31) are open. A first air inlet (31a) and a second air inlet (31b) are disposed on a side wall of the cyclone barrel (31). The airflow (41a, 41b) after the gas-solid separation enters the first air inlet (31a) and the second air inlet (31b) through a first airflow passage and a second airflow passage respectively, is mixed in the cyclone barrel (31), and then undergoes second gas-solid separation. The airflow after the gas-solid separation is discharged from an opening at the upper end of the cyclone barrel (31). In the cyclone separation device (102, 202), the direction of travel of the airflow and the cross-sectional area of the air inlet are changed, thereby improving a separation effect. The cyclone vacuum cleaner (100, 200) mounted with the cyclone separation device (102, 202) increases separation efficiency and improves an air purification effect.