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VOCs Governance in Vehicle Manufacturing Industry: Innovative Methods and Application Cases

With the rapid development of the automotive industry, the control of VOCs (volatile organic compounds) emissions has become an important issue. In the automobile manufacturing industry, a variety of VOCs exhaust gas treatment technologies are widely used, suchRegenerative Oxidation Process (RTO) and Zeolite Rotary Adsorption Technologyand achieved good results in practical application. The application of these technologies helps to reduce the impact on the environment and ensure the sustainable development of enterprises.

As one of the important pillar industries of the national economy, the automobile industry is also facing severe environmental challenges with rapid development in recent years. In particular, VOCs emissions not only pollute the atmospheric environment, but also directly affect the health of employees. The "Practical Manual for the Treatment of Volatile Organic Compounds" issued by the Department of Atmospheric Environment of the Ministry of Environment of Beijing introduces in detail which links produce VOCs in the vehicle manufacturing process, and introduces in detail the control measures required for each link.

In the production process of automobile manufacturing industry, waste gas will be produced in the painting workshop (electrophoresis, gluing, spraying, drying, repairing and waxing) and the assembly workshop (offline and testing), as shown in the figure:

Automobile painting workshop is waste gas treatmentThe key link. In the process of electrophoresis, intermediate coating, topcoat and varnish spraying, the operation should be carried out in a confined space, and the VOCs content in the electrophoresis bath solution should be strictly controlled. The exhaust gas should be directed to the VOCs exhaust gas collection and treatment system. If the completely closed operation cannot be achieved, it is necessary to take local collection measures and send the collected exhaust gas to the exhaust gas collection and treatment system for treatment.

Governance route selection

For the high temperature, high concentration and small air volume waste gas generated by electrophoresis, intermediate coating and topcoat drying rooms, RTO/TO should be adopted for treatment;

Zeolite concentration runner KPR RTO should be used for treatment of normal temperature, low concentration and high air volume exhaust gas in electrophoresis, intermediate coating and topcoat workshops.

MEGAUNITY regenerative oxidation process RTO

MEGAUNITY's regenerative oxidation process (RTO) can achieve a purification efficiency of more than 99%. When the concentration of VOCs in the exhaust gas reaches a certain level, the system can self-maintain the reaction balance and can maintain operation without additional fuel, thereby saving the fuel cost required to heat the exhaust gas. In addition, its heat recovery efficiency is not less than 95%. Compared with traditional catalytic oxidation and direct combustion oxidation methods, this technology has higher thermal efficiency and lower operating costs.

KPR Regenerative Oxidation Process RTO for Mega Zeolite Concentrated Rotary Wheel

MEGAUNITY zeolite concentration wheel KPR regenerative oxidation process RTO process, first of all, the use of wheel adsorption concentration, reduce the amount of RTO equipment exhaust gas treatment, thereby reducing the scale of RTO, for customers to reduce equipment investment costs. Although the concentration of organic waste gas is relatively low, after concentration, when the organic waste gas reaches the self-sustaining concentration or above, the RTO needs to consume fuel except for the first startup preheating, and the RTO auxiliary heating system does not need to be turned on at other times, so that the system can maintain the reaction balance and achieve the purpose of energy saving.

MEGAUNITY project case

Jinan Heavy Duty Truck Commercial Vehicle Painting Workshop Zeolite Concentrated Wheel KPR RTO Exhaust Gas Treatment System

Exhaust gas treatment system of a large national automobile enterprise in Qingdao

Zeolite runner combined with RTO technology is used in the post-treatment of automobile manufacturing coating workshop, which can effectively reduce VOCs exhaust emissions.MEGAUNITY has rich experience in VOCs governance in automobile manufacturing industry, can choose the appropriate design scheme according to the actual working conditions of the customer. Ensure that the company's VOCs emissions are well below national and local standards and reduce emissions costs.

Industrial Air Handling System Solutions Provider

Tel：400-860-5288

E-mail： marketing@megaunity.com

Address:

No.300, Dongxin Road, Wuzhong District, Suzhou, Jiangsu, China
No.8, Shuzi 3rd Road, DD Port, Dalian Jinpu New Area, Liaoning, China

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