Skimming Device Central Rotating Flow Clogging Prevention
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Solution Overview
Problem
Existing skimming and separation devices face challenges in efficiently handling solid pollutants with irregular shapes and large areas, which clog the system and reduce capacity, and intermittent discharging phases lead to uneven flow distributions and low overall capacity.
Innovation Solution
The device transforms the central vertical flow platform into a central rotating, vertical, and horizontal flow platform, incorporating a centrifugal collecting flow pattern to generate rotating forces for pollutant aggregation and prevent clogging, using a valve unit with deflection wings to transform vertical flow into horizontal flow, and employing coalescent filters for improved separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a central vertical flow platform is used for pollutant separation, then the device structure is simple, but solid pollutants with irregular shapes and large areas clog the system and reduce capacity
Solution Approach 1:
The patent transforms the static central vertical flow platform into a dynamic system by adding a rotating member that generates horizontal rotating flow. This dynamic flow pattern prevents solid pollutants with irregular shapes and large areas from clogging the system, thereby maintaining high handling capacity while keeping the device structure relatively simple.
Solution Approach 2:
The patent changes the flow parameters by introducing horizontal rotating flow components through the rotating member. This parameter change from purely vertical flow to combined vertical and horizontal rotating flow enables the system to handle solid pollutants effectively without increasing structural complexity.
2Measurement precision
If intermittent discharging phases are used to expel collected pollutants, then the device can maintain separation efficiency, but uneven flow distributions occur and overall capacity is reduced
Solution Approach 1:
The patent enables continuous operation by allowing the rotating member to continuously generate horizontal rotating flow that prevents pollutant accumulation. This continuous action eliminates the need for intermittent discharging phases, maintaining both separation efficiency and high overall capacity throughout operation.
Solution Approach 2:
The rotating member performs preliminary action by continuously creating horizontal rotating flow that prevents pollutant accumulation before discharge is needed. This preliminary prevention of clogging allows the system to maintain steady flow distribution and high capacity without intermittent interruptions.
3Ease of operation
If the floater is pressed against an overlying plate to create pressure for pollutant discharge, then collected oil can be expelled through the discharge opening, but solid objects may start clogging in the discharge volume
Solution Approach 1:
The patent replaces the static pressure-based discharge mechanism with a dynamic rotating flow system. The rotating member generates horizontal rotating flow that continuously moves pollutants toward the discharge opening without requiring the floater to be pressed against the plate, thereby preventing solid object clogging while maintaining ease of operation.
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 solution enhances the device's capacity and efficiency in handling solid pollutants, prevents clogging, and optimizes gravimetric and centrifugal separation, allowing for the use of activated carbon filters to improve water quality, and enables a closed or open loop system for pollutant transportation.
Implementation Method 1
wherein the at least one central rotation member is structured to generate a downward directed and central rotating flow of the water and debris within the central tube
Implementation Method 2
incorporating a centrifugal collecting flow pattern to generate rotating forces for pollutant aggregation
Implementation Method 3
employing coalescent filters for improved separation
Implementation Method 4
allowing for the use of activated carbon filters to improve water quality
Implementation Method 5
The technique applied by the device is basically based upon gravimetric separating methods which mean that pollutants having a lower density than water will float up on to the top of the water level
Data Source
AI summary
A skimming and separation device comprising an outer casing (1) provided with constructions to directly or indirectly fasten all parts, defining a compartment (2), and a floater (3) configured to create the skimming function of the device, the floater is attached at its lower side to an essentially vertically arranged bellow (4) allowing the floater to adapt flow into a substantially circus volume and allowing the floater to move from an upper position with essentially no flow into the compartment (2) to a lower position allowing flow of water and debris follow the contours of the floater (3) in a downward direction into the device. A power device (8) is provided and includes a propeller to achieve in-flow and outflow of the device. The device further comprises a central tube (c) arranged along a vertical center axis of the compartment and configured to receive said flow of water and debris, and at least one central rotation member being structured to generate a downward directed and central rotating flow of said water and debris within said central tube (c).