Separator Drum Piston Valve Segmented Closing Chamber
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Solution Overview
Problem
Existing separator drums face challenges in rapid emptying and partial emptying due to the large amount of closing liquid required and the inability to control the flow of closing liquid, leading to prolonged times in reaching the open state.
Innovation Solution
A separator drum design featuring a hydraulically operated, axially movable piston slide with a closing chamber having a first parallel section and a second conical section, along with two outflow channels of different diameters to manage the flow of closing liquid, allowing for quick movement of the piston slide and efficient emptying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large amount of closing liquid is used in the closing chamber, then the piston valve can be reliably held in its closed position, but the time required for the drum to reach the open state is prolonged
Solution Approach 1:
The closing chamber is divided into two distinct sections: a first closing chamber section with a large volume for reliable sealing, and a second closing chamber section with a small volume for rapid drainage. This segmentation allows the system to maintain both reliable sealing capability and rapid opening speed by having different sections serve different functional purposes simultaneously
Solution Approach 2:
Different regions of the closing chamber are given different properties: the first section has large volume for reliability, while the second section has small volume and is positioned to drain first. The outflow channels are also differentiated with first and second outflow channels of different sizes, creating local variations in fluid flow characteristics to achieve selective drainage
2Productivity
If the piston valve moves quickly to enable rapid emptying, then the emptying speed increases, but the control over the flow of closing liquid is reduced
Solution Approach 1:
The outflow system is segmented into two separate outflow channels: a first outflow channel for rapid drainage of closing liquid from the first chamber section, and a second outflow channel for controlled drainage from the second chamber section. This segmentation enables independent control of drainage rates from different sections
Solution Approach 2:
The outflow channels are designed with different characteristics: the first outflow channel has larger diameter for rapid flow, while the second outflow channel has smaller diameter for controlled flow. This creates local differences in flow control capability, allowing the system to achieve both rapid emptying and precise flow management
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 design enables faster opening and closing of the separator drum, reducing the time required for emptying and allowing for both rapid partial and complete emptying by controlling the flow of closing liquid effectively.
Implementation Method 1
a hydraulically actuated, axially movable piston valve which can seal a solids chamber against at least one solids outlet, wherein the piston valve can be held in its closed position via a closing chamber that can be filled with closing fluid
Implementation Method 2
JPS 521 761 A relates to a device that compactly connects and supports a separator housing by utilizing the pressure difference of the fluid generated by centrifugal force
Data Source
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AI summary
The invention relates to a separator drum (10) with a hydraulically actuated, axially movable piston slide valve (20) which can seal off a solids space (14) from at least one solids outlet (18), wherein the piston slide valve (20) can be held in its closed position via a closing chamber (30) that can be filled with closing liquid, in particular closing water, wherein the closing chamber (30) is formed between an underside (21) of the piston slide valve (20) and a top side (35) of a drum lower part (15). According to the invention, the closing chamber (30) has a first closing chamber portion (31) near the rotation axis (R) and a second closing chamber portion (32) remote from the rotation axis (R), wherein the first closing chamber portion (31) is formed by two mutually parallel portions (22, 36) of the underside (21) of the piston slide valve (20) and of the top side (35) of the drum lower part (15), and the second closing chamber portion (32) has at least in part a conical cross section.