Screw Separation Device Intermittent Rotation Dehydration
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Solution Overview
Problem
Conventional screw type separation devices agitate objects during dehydration, leading to decreased separation efficiency due to improper agitation, which affects dehydration efficiency.
Innovation Solution
A screw type separation device with a tubular casing and spiral screw blades, where the object is dehydrated by gravity through a controlled rotation and stop mechanism, with separate spaces for object and liquid discharge, and a discharge preventing unit to manage the dehydration process effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the object is moved by rotating the screw, then the object is conveyed through the dehydration region, but the object is agitated which decreases separation efficiency
Solution Approach 1:
The screw shaft alternates between rotation and stop states. During rotation, the object is conveyed forward; during stop, the object settles under gravity without agitation. This periodic action allows continuous conveyance while maintaining separation efficiency through intermittent静止 periods.
Solution Approach 2:
The system dynamically adjusts the screw shaft operation between two states: rotating state for conveyance and stopped state for settlement. This dynamic control optimizes both productivity and separation efficiency by matching the operational state to the process requirement at each moment.
2Productivity
If the screw shaft rotates continuously to discharge the object, then the object is moved to the discharge port, but the separation efficiency decreases due to agitation
Solution Approach 1:
The screw shaft operates in periodic cycles: rotating to convey and discharge the object, then stopping to allow settlement and dehydration. This periodic operation ensures that discharge productivity is maintained while dehydration efficiency is preserved during the stopped settlement phases.
Solution Approach 2:
Before discharge, the screw shaft stops to allow the object to settle and dehydrate preliminarily. This preliminary settlement action ensures that the object is properly dehydrated before being discharged, maintaining high separation efficiency while still achieving continuous discharge operation.
3Ease of operation
If the object is agitated during dehydration, then the object is moved and conveyed, but the separation efficiency of dehydration is not properly improved
Solution Approach 1:
The screw shaft alternates between rotation (for conveyance) and stop (for settlement). During rotation, the object is conveyed; during stop, the object settles without agitation. This periodic action separates the conveyance function from agitation, maintaining separation efficiency while ensuring easy 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
The device enhances separation efficiency by allowing controlled dehydration and separation of objects and liquids, preventing agitation and improving dehydration outcomes.
Implementation Method 1
the object input to the first space in the casing is moved to the other end part side within the first space and dehydrated by gravity
Data Source
AI summary
A screw type separation device includes: a casing that has a separated liquid discharge port on one end part side and has an object discharge port on the other end part side, while the other end part side is positioned lower, in terms of vertical directions, than the one end part side; a screw shaft provided inside the casing; a first screw blade; and a second screw blade that forms a first space between one face and the first screw blade facing the one face and forms a second space between the other face and the first screw blade facing the other face.