Heat Storage Waste Gas Purification Bypass Control
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Solution Overview
Problem
Conventional waste gas purification apparatuses face issues with excessive internal temperature leading to potential damage and lopsided deposition of silica powder in heat storage chambers, causing imbalance in heat storage and incomplete gas heating.
Innovation Solution
A heat storage type waste gas purification apparatus with bypass passages connected to the combustion chamber above each heat storage chamber, equipped with on-off valves that open to discharge surplus gas when a temperature threshold is reached, along with an agitation device to enhance decomposition efficiency and a flow rate adjusting mechanism to manage static pressure fluctuations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If surplus heat is released during treatment of silicone-containing waste gas, then the apparatus can avoid damage from excessive temperature, but silica powder is deposited in a lopsided manner in the heat storage chambers
Solution Approach 1:
The invention divides the heat storage system into multiple independent heat storage chambers (first and second heat storage chambers), each with its own heat storage body. This segmentation allows independent control and heat release from each chamber, preventing lopsided silica powder deposition that would occur in a single undivided chamber system.
Solution Approach 2:
The invention introduces temperature detection sections that independently monitor temperatures in different locations (first and second heat storage chambers, and combustion chamber), enabling localized temperature control and heat release strategies for each chamber, thus achieving uniform silica powder distribution while preventing apparatus damage.
2Quantity of substance
If lopsided deposition of silica powder occurs, then heat storage amount becomes imbalanced between chambers, but the waste gas can still be led to the combustion chamber
Solution Approach 1:
By segmenting the heat storage system into multiple chambers with independent temperature monitoring and control, the invention ensures that each chamber maintains appropriate heat storage levels, preventing imbalances that would compromise waste gas heating reliability.
Solution Approach 2:
The invention implements feedback control through temperature detection sections that continuously monitor temperatures in each heat storage chamber and combustion chamber, and a control section that adjusts operations based on these readings, ensuring reliable waste gas heating while maintaining balanced heat storage.
3Reliability
If bypass passages are equipped with on-off valves controlled by temperature, then apparatus damage is avoided and silica deposition is equalized, but the system complexity increases
Solution Approach 1:
The control section performs multiple functions: it controls bypass passage valves for temperature regulation, manages heat storage chamber operations, and coordinates with detection sections. This multi-functionality reduces overall system complexity despite the presence of multiple control elements.
Solution Approach 2:
The temperature detection sections and control section create a self-regulating system where the apparatus automatically monitors and adjusts its own temperature distribution and heat release, reducing the need for external complex control 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
Prevents lopsided silica deposition, avoids apparatus damage, ensures even heat distribution, and enhances the decomposition efficiency of waste gas components while maintaining stable operation.
Implementation Method 1
a combustion chamber configured to combust and decompose a component contained in waste gas
Implementation Method 2
a plurality of heat storage chambers each having one end communicating with the combustion chamber and each comprising a heat storage body
Data Source
AI summary
Disclosed is a heat storage type waste gas purification apparatus which comprises: a combustion chamber configured to combust and decompose a component contained in waste gas; a plurality of heat storage chambers each having one end communicating with the combustion chamber and each comprising a heat storage body; a plurality of supply inlets each equipped with an on-off valve and each provided at the other end of a respective one of the heat storage chambers to selectively supply waste gas thereto; a plurality of discharge outlets each equipped with an on-off valve and each provided at the other end of a respective one of the heat storage chambers to selectively discharge treated waste gas therefrom; a discharge passage connected to the discharge outlets to discharge the treated waste gas to an outside of the apparatus therethrough; a plurality of bypass passages each connecting between the combustion chamber and the discharge passage, wherein each of the bypass passages is connected to the combustion chamber at a position directly above a respective one of the heat storage chambers, and equipped with an on-off valve; and a control section operable, when a temperature of one of the heat storage chambers becomes equal to or greater than a given value, to open one or more of the on-off valves of the bypass passages so as to discharge a part of waste gas in the combustion chamber via the opened one or more bypass passages.