Compression Dehydrator Hydraulic Pressurization
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Solution Overview
Problem
Current compression type dehydrators have limited dehydration capacity due to insufficient pressure, leading to inefficiencies in the polymer slurry dehydration process, which restricts the production capacity and increases energy consumption in the subsequent drying process.
Innovation Solution
A compression type dehydrator design that includes an upper plate with a pressurizing portion and a hydraulic cylinder for vertical movement, a feed plate with a hollow portion and guide groove, a slurry supply line, a lower plate with holes, and a filtration belt to increase pressure and enhance dehydration performance by filtering moisture effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a compression type dehydrator uses a pressurizing tube made of synthetic resin material that expands by injecting air or liquid, then the device structure is simple and easy to manufacture, but the pressure transferred to the sludge is limited to only 30 barg, resulting in insufficient dehydration capacity
Solution Approach 1:
The patent replaces the synthetic resin pressurizing tube with a metal pressurizing chamber that can withstand higher pressures. The metal chamber allows for significantly higher operating pressures (exceeding 30 barg) compared to the limited pressure capacity of synthetic resin materials, thereby resolving the contradiction between ease of manufacture and dehydration capacity by substituting the material system.
Solution Approach 2:
The patent changes the pressure parameter from the limited 30 barg maximum of synthetic resin tubes to much higher pressures achievable with metal construction. This parameter change in pressure capability directly addresses the insufficient dehydration capacity while the metal construction maintains manufacturability through standard fabrication processes.
2Loss of energy
If the dehydration process removes more water from polymer slurry, then energy consumption in the drying process is reduced, but the dehydration capacity must be increased which requires higher pressure
Solution Approach 1:
The patent uses a metal pressurizing chamber instead of a synthetic resin tube to enable operation at much higher pressures. This mechanical substitution allows the system to achieve the high pressure needed for enhanced dehydration (removing more water) without the material limitations that would otherwise prevent such pressure levels.
Solution Approach 2:
The patent changes the pressure parameter to exceed 30 barg, enabling significantly higher dehydration capacity. This parameter change allows more water to be removed from the polymer slurry during dehydration, which subsequently reduces the energy consumption in the drying process as less moisture remains to be evaporated.
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 enhanced dehydration performance reduces the moisture content of the polymer slurry, thereby lowering energy consumption in the drying process and improving the overall efficiency of polymer production.
Implementation Method 1
an upper plate (100) that includes a pressurizing portion (110) and a first guide (120) adjacent to the pressurizing portion (110) and spaced apart from the pressurizing portion (110), and performs a vertical movement by a hydraulic cylinder
Implementation Method 2
a dehydration means including a filtration belt (500) positioned in close contact with an upper portion of the lower plate (400)
Data Source
AI summary
Disclosed is a compression type dehydrator including: an upper plate that includes a pressurizing portion and a first guide adjacent to the pressurizing portion and spaced apart from the pressurizing portion, and performs a vertical movement by a hydraulic cylinder; a feed plate that includes a hollow portion and a first guide groove surrounding the hollow portion and guiding the vertical movement of the first guide, and is positioned on a lower portion of the upper plate; a slurry supply line connected to the feed plate; a lower plate positioned on a lower portion of the feed plate and having a plurality of holes formed therein; and a dehydration means including a filtration belt positioned in close contact with an upper portion of the lower plate.