Segmented Waste Material Supply Device for Stable Combustion
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Solution Overview
Problem
Existing waste material supply devices face issues with unstable waste material storage levels in connecting chutes, leading to potential clogging and inefficient waste material supply into heat treatment furnaces, requiring supplementary fuels and affecting combustion stability.
Innovation Solution
A waste material supply device with a hopper, pusher type and screw type supply apparatuses, and a level sensor that controls the pushers to maintain stable waste material levels by adjusting the amount pushed into the chute and the screw's rotation speed based on detected levels, preventing excessive supply and ensuring consistent waste material flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single pusher type waste material supply device is used to push out waste material, then the device structure is simple, but the waste material supply amount becomes excessive and the storage level in the connecting chute becomes unstable
Solution Approach 1:
The single pusher type waste material supply device is divided into a first pusher type waste material supply device and a second pusher type waste material supply device. Each device has its own inlet and outlet, with outlets connected to different portions of the connecting chute. This segmentation allows independent control of waste material supply from each device, preventing excessive supply and stabilizing the storage level in the connecting chute.
2Productivity
If waste material supply amount is increased to meet processing demand, then productivity is improved, but the storage level in the connecting chute becomes unstable and clogging occurs
Solution Approach 1:
By dividing the waste material supply into two separate pusher type devices that supply to different portions of the connecting chute, the system can maintain high productivity while distributing the supply load. This prevents localized over-supply that causes clogging, thereby maintaining flow stability and reliability.
Solution Approach 2:
The connecting chute is designed with a first portion and a second portion, acting as intermediaries between the two pusher type supply devices and the screw type supply device. This intermediate structure distributes and balances the waste material flow from multiple sources, preventing clogging and maintaining stable flow to the processing furnace.
3Adaptability or versatility
If waste material supply is irregular, then operational flexibility is improved, but combustion stability deteriorates and supplementary fuel is required
Solution Approach 1:
The system incorporates level detection means to detect the storage level of waste material in the connecting chute, and control means that adjusts the operation of the pusher type supply devices and screw type supply device based on detected levels. This feedback control ensures regular and stable waste material supply to the processing furnace, maintaining combustion stability while allowing operational flexibility through automatic adjustment.
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 effectively reduces waste material accumulation in the chute, stabilizes waste material supply, and maintains consistent combustion in the heat treatment furnace, enhancing operational stability and reducing the need for supplementary fuels.
Implementation Method 1
a screw configured to convey the waste material in an axial direction according to rotation about an axis thereof
Implementation Method 2
a pusher configured to push out the waste material in a horizontal direction
Implementation Method 3
a level sensor that detects a storage level of the waste material stored in the connecting chute
Implementation Method 4
a control device that controls the first rubbish supply apparatus and the second rubbish supply apparatus based on the storage level detected by the level sensor
Data Source
Figure 1
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AI summary
A waste material supply device (3) includes a hopper (2) into which a waste material is supplied, a first rubbish supply apparatus (5) having an inlet connected to an outlet of the hopper and a pusher configured to push out the waste material in a horizontal direction, a connecting chute (12) having an upper portion connected to an outlet of the first rubbish supply apparatus to form a space extending upward and downward, and a second rubbish supply apparatus (6) having an inlet connected to a lower portion of the connecting chute and a screw configured to convey the waste material in an axial direction according to rotation about an axis thereof, wherein the first rubbish supply apparatus has a plurality of pushers in a widthwise direction, and each of the pushers is able to be individually manipulated.