沸石转轮＋CO设备运行中可能出现的问题

Possible issues that may arise during the operation of zeolite wheel+CO equipment

　　在环保政策驱动下，近年来企业环保意识明显提高，全国各大、中型企业大多进行了环保设施的投资。但根据中央生态环保督查组全国各地工业企业排污情况督查结果来看，很多企业已经投资了环保设施，却仍存在超标乃至被处罚的情况，其问题何在？事实上，在VOCs废气治理设备投入运行后，也随之产生新的问题，即对设备的日常管理维护和定期维护保养重视度不够，亦或维护管理不专业。废气治理设备在复杂工况下长期运行，部件的磨损消耗，耗材的耗损等，都直接影响设备的使用寿命和处理效果，设备保养不当，轻则故障停机，增加企业使用维修成本，重则因处理效率下降影响达标排放被处罚。

Driven by environmental policies, in recent years, corporate environmental awareness has significantly increased, and most large and medium-sized enterprises across the country have invested in environmental protection facilities. However, according to the inspection results of the central ecological and environmental protection inspection team on the pollution discharge situation of industrial enterprises across the country, many enterprises have invested in environmental protection facilities, but still have situations of exceeding standards and even being punished. What are the problems? In fact, after the VOCs exhaust gas treatment equipment is put into operation, new problems also arise, namely insufficient attention to the daily management and regular maintenance of the equipment, or unprofessional maintenance management. The long-term operation of exhaust gas treatment equipment under complex working conditions, including wear and tear of components and consumption of consumables, directly affects the service life and treatment effect of the equipment. Improper maintenance of the equipment can lead to minor malfunctions and increased maintenance costs for enterprises, and in severe cases, it can result in penalties for reducing treatment efficiency and affecting emission standards.

　　1、沸石转轮运行问题及维保的重要性

1. The Operation Problems of Zeolite Wheel and the Importance of Maintenance

　　要保证废气治理设备的良性运转，设备的维护保养很重要！

To ensure the healthy operation of exhaust gas treatment equipment, maintenance and upkeep of the equipment are very important!

　　以沸石转轮设备为例，沸石转轮设备可利用吸附-浓缩-脱附三项连续变温的吸脱附程序，使低浓度、大风量、多组分的有机废气浓缩为高浓度、小风量浓缩废气，其搭配RTO/CO设备的治理工艺，具有去除效率高、稳定性强、运行费用合理等优势，目前已广泛应用于涂装、橡胶、油墨、包装、电子等行业；

Taking zeolite rotary equipment as an example, the zeolite rotary equipment can use three continuous temperature changing adsorption desorption procedures of adsorption concentration desorption to concentrate low concentration, high air volume, and multi-component organic waste gas into high concentration and low air volume concentrated waste gas. Its treatment process, combined with RTO/CO equipment, has advantages such as high removal efficiency, strong stability, and reasonable operating costs. It has been widely used in industries such as painting, rubber, ink, packaging, and electronics;

　　沸石转轮投入运行一段时间后，由于预处理、滤材和运维方式等问题，沸石转轮易发生压差增大、堵塞/污染等现象，从而导致转轮处理效率下降。

After the zeolite impeller is put into operation for a period of time, due to issues such as pre-treatment, filter materials, and operation and maintenance methods, the zeolite impeller is prone to increased pressure difference, blockage/pollution, and other phenomena, resulting in a decrease in the efficiency of the impeller treatment.

　　沸石转轮堵塞主要有以下原因：

The main reasons for zeolite wheel blockage are as follows:

　　(1) 粉尘等进入沸石转轮的蜂窝孔道，造成沸石转轮堵塞；

(1) Dust and other substances enter the honeycomb channels of the zeolite wheel, causing blockage of the zeolite wheel;

　　(2)沸石转轮长时间使用后，一些废气成分可能会堵塞沸石通道；

(2) After prolonged use of the zeolite wheel, some exhaust gas components may block the zeolite channel;

　　(3)沸石转轮经过长年的吸附浓缩，其内部会残留一定量的高沸点物质；

(3) After years of adsorption and concentration, a certain amount of high boiling substances will remain inside the zeolite wheel;

　　(1) 影响通风，吸附效率降低，VOC排放浓度升高；

(1) Affects ventilation, reduces adsorption efficiency, and increases VOC emission concentration;

　　(2)风机频率、负载增大，能耗增加；

(2) The increase in fan frequency and load leads to an increase in energy consumption;

　　(3)转轮寿命缩短；

(3) Shortened lifespan of the impeller;

　　(4)严重堵塞可能造成设备停机，转轮焖燃。

(4) Severe blockage may cause equipment shutdown and rotor burnout.

　　沸石转轮是废气治理系统的核心部件，对使用环境要求较高，其治理优势明显，但在整套治理系统内成本也占比较高(尤其是进口转轮设备)，如因不注意运维管理和维护造成不良后果，对企业而言损失明显。

The zeolite impeller is the core component of the exhaust gas treatment system, which has high requirements for the usage environment and obvious treatment advantages. However, the cost within the entire treatment system is also relatively high (especially for imported impeller equipment). If adverse consequences are caused by not paying attention to operation and maintenance management and maintenance, it will cause significant losses to the enterprise.

　　因此废气治理设备在运行当中，企业应充分重视VOCs废气设备的运维管理，建立设备管理机制，制定运行风险防范措施，加大设备日常管理力度，科学合理地制定设备的维护、保养计划，并组织专业的运维团队，定期对设备进行专业和科学的维护。

Therefore, in the operation of waste gas treatment equipment, enterprises should fully attach importance to the operation and maintenance management of VOCs waste gas equipment, establish equipment management mechanisms, formulate operational risk prevention measures, increase daily equipment management efforts, scientifically and reasonably develop equipment maintenance and upkeep plans, and organize professional operation and maintenance teams to regularly maintain the equipment professionally and scientifically.

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