Tank Bottom Sludge Valve for Quantitative Discharge Without Blockage
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Solution Overview
Problem
The valve switching type sludge discharging mechanism in wet dust collectors for surface treatment devices often discharges excessive water and is prone to blockages, making it inefficient and difficult to maintain.
Innovation Solution
A quantitative tank bottom sludge valve with a cylinder, links, sludge guide plate, and valve bodies that allow controlled, quantitative discharge of sludge, using a timer and solenoid valve to manage the discharge process, reducing water usage and preventing blockages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a valve switching type sludge discharging mechanism is used, then sludge can be discharged automatically, but it discharges a large amount of water and is easily blocked by sludge
Solution Approach 1:
The patent uses a floating ball mechanism that dynamically adjusts the valve opening based on the liquid level and sludge accumulation in the tank. As sludge accumulates, the float rises and gradually opens the valve, allowing controlled discharge that adapts to the actual sludge level rather than discharging fixed volumes of water
Solution Approach 2:
The valve opening degree is changed as a variable parameter based on the float position, which responds to the sludge level. This continuous parameter adjustment allows the system to discharge only the necessary amount of sludge with minimal water, rather than using fixed on/off valve switching
2Extent of automation
If a valve switching type sludge discharging mechanism is used, then sludge can be discharged automatically, but it is easily blocked by sludge at low frequency
Solution Approach 1:
The floating ball mechanism provides continuous dynamic response to sludge accumulation, automatically adjusting the valve opening to maintain reliable discharge across varying frequencies. The system responds proportionally to sludge level changes rather than relying on timed or fixed-frequency switching cycles
Solution Approach 2:
The system uses the buoyancy force generated by the floating ball itself to drive the valve opening, eliminating the need for external actuators or control systems. This self-powered mechanism ensures reliable operation regardless of discharge frequency requirements
3Productivity
If a scraper type sludge discharging mechanism is used, then sludge can be discharged effectively, but it is expensive and difficult to repair and maintain
Solution Approach 1:
The patent replaces expensive scraper mechanisms with a simple float-valve assembly using basic components like a floating ball, hinge, and valve body. These simple parts are inexpensive and easily replaceable, dramatically reducing maintenance costs and complexity while maintaining effective sludge discharge functionality
Solution Approach 2:
The sludge discharge function is segmented into simple, independent components (float, hinge, valve body, valve plate) that can be individually inspected, maintained, or replaced. This modular segmentation makes the system much easier to maintain compared to integrated scraper mechanisms
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 solution enables efficient, regular sludge discharge while minimizing water usage and preventing blockages, with a simpler structure that is cost-effective and easy to install and maintain, suitable for mass production.
Implementation Method 1
a cylinder, a lower valve plate, links, a sludge guide plate, an upper valve plate, an upper valve body
Data Source
AI summary
The present disclosure provides a quantitative tank bottom sludge valve. The extension and retraction of a cylinder drives a lower valve body, a valve rod, an upper valve body and respective accessories to move up and down, and sludge at the bottom of a water tank that is deposited to the upper part of an upper valve plate and the lower part of an upper valve body gasket is discharged quantitatively, thereby saving water and avoiding blockage; moreover, the quantitative tank bottom sludge valve has simple components in structure, and it is low in processing and assembly precision requirements, low cost, convenient to install and maintain, and suitable for mass production and use.