نام محصول :
اکسید کننده حرارتی
برند:-
نام انگلیسی:
Thermal oxidizer
مشخصات:
Technology
thermal, regenerative, recuperative
Applications
for VOC reduction, for NOx reduction
توضیحات:
Regenerative Oxidisers are used where there is no requirement for heat recovery, or the amount of heat that can be recovered is too small to justify a Thermal Recovery Oxidiser. They are also well suited to processes that discharge high volumes of exhaust with relatively low VOC content.
Operating Principle
The VOC laden air from the process is drawn into the Oxidiser by means of a variable speed controlled effluent transport fan. The effluent is heated in the incoming tower, passed through the combustion chamber and cooled in the exit tower, each of which is filled with a specialist ceramic material.
To achieve the best thermal oxidation of the VOC, the following conditions must be met:
Temperature between 750 and 950°C
Dwell time of the effluent in the combustion chamber between 0.6 and 1 second
Good turbulence for efficient mixing of effluent and oxygen
A Regenerative Thermal Oxidiser typically includes:
Effluent transfer fan with automatic control system
Heat storage towers filled with ceramic material (2, 3 or 5 towers depending on operating criteria)
A system of automatic valves for effluent distribution through the towers (designed and manufactured by Babcock Wanson)
Combustion chamber with one or more modulating automatic gas/fuel burners.
Control panel PLC and operator interface panel (HMI)
Advantages of Regenerative Oxidisers
As effective as Recuperative Thermal Oxidiser, with lower NOx emissions
Suited to high flow, low VOC content exhaust streams
Continuous control of the emissions
Simple management of operation
Reduced maintenance
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