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Rotating RTO equipment and its application in printing, dyeing, packaging, and coating engineering
Rotating RTO equipment and its application in printing, dyeing, packaging, and coating engineering
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Rotating RTO equipment and its application in printing, dyeing, packaging, and coating engineering
Rotary RTO has broad market application prospects in VOCs pollution prevention and control. Rotary RTO has made significant progress in improving VOCs removal efficiency, heat utilization, expanding applicability, and reducing operating costs. It is also more economical and durable, and environmentally friendly rotary RTO has been favored by various industries.
Rotary RTO, also known as rotary regenerative oxidation furnace. The principle is to oxidize combustible exhaust gas into corresponding oxides and water at high temperatures, thereby purifying the exhaust gas and recovering the heat released during the decomposition of the exhaust gas. The efficiency of exhaust gas decomposition reaches over 99%, and the efficiency of heat recovery reaches over 95%.
Rotary RTO has broad market application prospects in VOCs pollution prevention and control. Rotary RTO has made significant progress in improving VOCs removal efficiency, heat utilization, expanding applicability, and reducing operating costs. It is also more economical and durable, and environmentally friendly rotary RTO has been favored by various industries.
Rotary RTO, also known as rotary regenerative oxidation furnace. The principle is to oxidize combustible exhaust gas into corresponding oxides and water at high temperatures, thereby purifying the exhaust gas and recovering the heat released during the decomposition of the exhaust gas. The efficiency of exhaust gas decomposition reaches over 99%, and the efficiency of heat recovery reaches over 95%.
Rotating RTO principle
At present, typical RTO equipment has evolved from two room, three room, and five room to seven room and multi room equipment that meet various needs, and many different types of RTO equipment have been developed, among which the most representative is the rotary RTO.
Rotary regenerative oxidation furnace, also known as rotary regenerative oxidation furnace. The principle is to oxidize combustible exhaust gas into corresponding oxides and water at high temperatures, thereby purifying the exhaust gas and recovering the heat released during the decomposition of the exhaust gas. The decomposition efficiency of exhaust gas reaches over 99%, and the heat recovery efficiency reaches over 95%.
Rotating RTO structure
The rotary RTO mainly consists of a combustion chamber, a ceramic packing bed, and a rotary valve. The furnace body is divided into 12 chambers, with 5 chambers inhaling exhaust gas, 5 chambers extracting purified gas, 1 chamber cleaning, and 1 chamber isolation. The exhaust valve is continuously and uniformly rotated by a motor. Under the action of the air distribution valve, the exhaust gas slowly switches between 12 chambers continuously.
Advantages of Rotating RTO
Rotating RTO is the third generation RTO. Compared with traditional RTO, its main advantages are as follows:
(1) Rotating RTO has a small heat dissipation area and 12 rooms alternate buffering, saving energy consumption;
(2) 12 rooms work together, with uniform airflow distribution and high purification efficiency;
(3) Adopting a rotary valve, continuous intake and exhaust, minimal pressure fluctuations in the pipeline, no backfilling of exhaust gas, and low workshop odor.
Regenerative combustion method is a very promising method for treating volatile exhaust gases. This equipment is used to regenerate thermal oxidants. When the necessary conditions for the combustion process are fully met, the combustion method can achieve complete oxidation of harmful substances.
Application case of rotary RTO in preventing and controlling VOCs in the printing and packaging industry
The characteristics of VOCs emissions in the printing and packaging industry are high air volume and low concentration. Generally, air reduction and concentration treatment is carried out at the front end of the rotary RTO. This solution is specifically developed for intelligent multifunctional equipment such as gravure printing machines, dry laminating machines, coating machines, etc., to reduce air volume and increase VOCs concentration. Finally, it enters the rotary RTO treatment, and the removal efficiency can reach 99%. This combination method can fully achieve emission standards, and under appropriate concentration conditions, the equipment can provide self heating. Rotary RTO has become a powerful tool for environmental protection and energy conservation in the flexible packaging industry
Application case of rotary RTO in the prevention and control of VOCs in the coating industry
The volatile organic compounds (VOCs) generated during the painting process mainly include toluene, xylene, trimethylbenzene, etc. The main sources of organic waste gas generated in the painting workshop are spray painting rooms, volatilization rooms, and drying rooms.
The exhaust gas is subjected to paint mist filtration treatment, and then enters the zeolite wheel to concentrate the filtered exhaust gas. After concentration, it becomes a gas with high concentration and low air volume, and finally enters the rotary RTO oxidation treatment. Spray painting exhaust gas and drying exhaust gas can also participate in adsorption and concentration together. After mixing the spray painting exhaust gas with high-temperature drying exhaust gas, the relative humidity decreases due to the increase in temperature, saving the investment and operating costs of dehumidification equipment, and significantly reducing the amount of exhaust gas entering the rotary RTO.
The petrochemical, pharmaceutical, packaging and printing, coatings and other industries are the main sources of volatile organic compounds (VOCs), and regenerated thermal oxidants play an important role in VOCs pollution prevention and control. Compared with traditional two chamber and three chamber RTOs, rotary RTOs have higher exhaust gas treatment efficiency and thermal efficiency. By adding a rotary RTO and waste heat recovery system, organic waste gas can be highly purified to achieve energy-saving and emission reduction effects.
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