在工业生产快速发展的当下，挥发性有机化合物（VOCs）排放问题日益突出。VOCs 作为大气污染的重要源头，不仅危害人体健康，还会引发光化学烟雾等环境问题。由沸石转轮浓缩装置与蓄热式热氧化炉（RTO）组成的净化系统，凭借出色的净化效率和稳定的运行性能，成为众多企业治理 VOCs 的优先选择，在工业废气净化领域占据重要地位。

In the current rapid development of industrial production, the issue of volatile organic compounds (VOCs) emissions is becoming increasingly prominent. VOCs, as an important source of air pollution, not only pose a threat to human health but also cause environmental problems such as photochemical smog. The purification system composed of zeolite rotary concentrator and regenerative thermal oxidation furnace (RTO) has become the preferred choice for many enterprises to treat VOCs due to its excellent purification efficiency and stable operating performance, and occupies an important position in the field of industrial waste gas purification.

一、沸石转轮：VOCs 的高效 “捕手”

1、 Zeolite Wheel: Efficient 'Catcher' for VOCs

结构与工作原理

Structure and Working Principle

沸石转轮由吸附、脱附、冷却三区构成，表面涂覆疏水性沸石吸附剂，对 VOCs 有极强吸附力。废气通过吸附区时，VOCs 被吸附，净化气体直接排放。转轮转动，吸附饱和部分进入脱附区，在高温气流作用下，VOCs 脱附，实现吸附剂再生。脱附后转轮经冷却区降温，恢复吸附状态，持续工作。

The zeolite wheel consists of three zones: adsorption, desorption, and cooling. The surface is coated with hydrophobic zeolite adsorbent, which has strong adsorption capacity for VOCs. When the exhaust gas passes through the adsorption zone, VOCs are adsorbed and the purified gas is directly discharged. The wheel rotates, and the saturated adsorption part enters the desorption zone. Under the action of high-temperature airflow, VOCs desorb, achieving adsorbent regeneration. After detachment, the impeller cools down in the cooling zone, restores its adsorption state, and continues to work.

技术优势

Technical advantages

沸石转轮吸附效率超 90%，可有效降低废气污染物浓度；能 24 小时连续稳定运行，维持废气处理的连贯性；且结构紧凑，占地面积小，适配空间有限的工业场所。

The adsorption efficiency of zeolite wheel exceeds 90%, which can effectively reduce the concentration of exhaust pollutants; Capable of continuous and stable operation for 24 hours, maintaining the continuity of exhaust gas treatment; And it has a compact structure, small footprint, and is suitable for industrial places with limited space.

二、RTO：VOCs 的终极 “销毁器”

2、 RTO: The Ultimate 'Destroyer' for VOCs

结构与工作原理

Structure and Working Principle

RTO 由燃烧室、蓄热体和切换阀组成。沸石转轮脱附的高浓度 VOCs 废气进入 RTO 燃烧室，在 800 - 950℃高温下与氧气反应，分解为二氧化碳和水。燃烧后的高温气体通过蓄热体传递热量，切换阀切换后，新废气经蓄热体预热，实现热量回收。

RTO consists of a combustion chamber, a heat storage body, and a switching valve. The high concentration VOCs exhaust gas desorbed from the zeolite wheel enters the RTO combustion chamber and reacts with oxygen at high temperatures of 800-950 ℃, decomposing into carbon dioxide and water. The high-temperature gas after combustion transfers heat through the heat storage body, and after the switching valve is switched, the new exhaust gas is preheated by the heat storage body to achieve heat recovery.

技术优势

Technical advantages

RTO 对 VOCs 净化效率超 99%，可彻底分解污染物；热回收效率达 95% 以上，大幅降低运行成本；能处理多种 VOCs 废气，对废气浓度、流量和成分变化适应性强。

RTO has a purification efficiency of over 99% for VOCs and can completely decompose pollutants; The heat recovery efficiency reaches over 95%, significantly reducing operating costs; Capable of treating various VOCs waste gases, with strong adaptability to changes in waste gas concentration, flow rate, and composition.

三、沸石转轮 + RTO：协同净化，优势互补

3、 Zeolite Wheel+RTO: Collaborative Purification, Complementary Advantages

协同工作机制

Collaborative work mechanism

沸石转轮将低浓度、大风量的 VOCs 废气浓缩成高浓度、小风量废气，再送入 RTO 燃烧处理。这一组合发挥了沸石转轮吸附浓缩和 RTO 高效燃烧的优势，解决了低浓度废气直接燃烧能耗高，以及单一吸附设备吸附剂更换频繁的问题。

The zeolite wheel concentrates low concentration and high air volume VOCs exhaust gas into high concentration and low air volume exhaust gas, which is then sent to RTO combustion treatment. This combination leverages the advantages of zeolite rotary adsorption concentration and efficient RTO combustion, solving the problems of high energy consumption in direct combustion of low concentration exhaust gas and frequent replacement of adsorbents in single adsorption equipment.

应用成效

Application effectiveness

汽车制造涂装车间等场所，采用该净化系统后，有效治理了低浓度、大风量的 VOCs 废气，实现达标排放，还借助热回收功能降低了能源消耗。

After adopting this purification system in automobile manufacturing painting workshops and other places, low concentration and high air volume VOCs waste gas were effectively treated, achieving standard emissions, and reducing energy consumption with the help of heat recovery function.

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