Device structure for multistage water-air separation of cleaning machine
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Solution Overview
Problem
Existing household fabric and carpet washing machines have inefficient water-air separation, leading to incomplete separation and secondary pollution from wastewater-laden air discharge.
Innovation Solution
A multistage water-air separation device structure featuring a water-air separation box with a primary and secondary separation bin, centrifugal separation, coarse and high-efficiency filters, and a main motor for suction, enhancing separation efficiency and removing particles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simple water-air separation chamber with basic structure is used, then the device complexity is low, but the separation efficiency is low and separation is incomplete
Solution Approach 1:
The water-air separation chamber is divided into multiple functional zones: a first separation zone with a first filter screen for initial separation, and a second separation zone with a second filter screen for further separation. This segmentation allows each zone to perform specific separation tasks, improving overall separation efficiency while maintaining manageable structural complexity
Solution Approach 2:
The first filter screen is positioned within the water-air separation chamber, and the second filter screen is nested within the first separation zone. This nested arrangement allows multiple separation stages to be compactly integrated, achieving high separation efficiency without proportionally increasing device complexity
2Reliability
If a simple separation structure with water outlet at lower end and air outlet at upper end is used, then the ease of manufacture is high, but the separation is not complete and secondary pollution occurs
Solution Approach 1:
The separation chamber is segmented into multiple zones with different separation mechanisms. The first separation zone uses gravity-based separation with water outlet at the lower end, while the second separation zone uses filtration through the second filter screen. This segmentation ensures complete separation without requiring complex manufacturing
Solution Approach 2:
The first filter screen acts as an intermediary element between the first separation zone and the second separation zone. It performs preliminary separation of water and air, preparing the flow for further separation in the second zone, thereby ensuring complete separation while maintaining manufacturing simplicity
3Reliability
If multi-stage separation with multiple filter screens and separation zones is implemented, then the separation efficiency is improved and separation is complete, but the device complexity increases
Solution Approach 1:
The second filter screen is positioned within the first separation zone, creating a nested configuration where the second separation zone is contained within the boundaries of the first zone. This nesting allows multiple separation stages to share structural elements, improving separation efficiency while limiting the increase in device complexity
Solution Approach 2:
The first and second separation zones are merged within a single water-air separation chamber, sharing common structural elements such as the chamber walls and support structures. This merging reduces the overall device complexity compared to having separate chambers for each separation stage
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 improved water-air separation efficiency, ensuring that separated air does not cause secondary pollution by effectively separating water and air based on specific gravity and using multiple filters.
Implementation Method 1
a first port is connected with a main motor having a suction function
Implementation Method 2
separating water and air based on specific gravity
Implementation Method 3
separating water and air based on specific gravity
Implementation Method 4
using multiple filters
Data Source
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AI summary
Disclosed is a device structure for multistage water-air separation of a cleaning machine, where an inner wall of a water-air separation box, an outer wall and a bottom plate of a structure part, and a coarse filter screen are enclosed into a primary separation bin, the primary separation bin surrounds the structure part as a center, a side wall of the water-air separation box is provided with an air inlet duct, one end of the air inlet duct is provided with an air outlet and extends into the primary separation bin, the air outlet of the air inlet duct faces a circumferential direction of the primary separation bin, the side wall of the water-air separation box is also provided with a water outlet communicated with an interior of the primary separation bin, and a first opening is connected with a main motor having a suction function. In the present disclosure, the structure design is reasonable, the efficiency of water-air separation is greatly improved, the sucked water-air mixture is separated by centrifugation as water and air have different specific gravity, then particles are separated by multiple filters, and the final separated air will not cause secondary pollution.