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The plastic waste gas treatment project passed the environmental impact assessment test after using the exhaust gas spray absorption tower and UV photolysis waste gas catalytic device.

07/30/2019 Browsing times: 380 07/30/2019

If you bloom, butterflies come!


  凭借优秀的品质、优良的服务以及技术优势,赢得众多客户信赖,并在广大客户中留下良好口碑。 With its excellent quality, excellent service and technical advantages, Noda Environment has won the trust of many customers and left a good reputation among our customers. Recently, a hardware and plastics company in Changzhou came here. The company recently had a heart disease. The environmental protection test of the plastic waste gas treatment in the workshop failed, and rectification is needed. I am very anxious. I have applied for a re-test. To ensure that the retest is qualified.


Plastic waste gas generally comes from plastic granulated waste gas treatment, plastic packaging waste gas treatment, and plastic product waste gas treatment. These waste gases are mainly characterized by smoke, odor, and organic waste gas. Most companies have different concentrations of injection waste gas, some of which have a large taste, and some injection waste gas have smoke, so there are differences when choosing a treatment process. The environmentally-friendly staff of the company reached a comprehensive understanding of the on-site working conditions. There is a pelletizing extrusion line in the workshop that needs to be processed. The exhaust gas mainly contains trace amounts of non-methane total hydrocarbon gases such as ethylene and evaporated moisture, which requires exhaust gas treatment. Going to the site to understand the situation is helpful for the design and construction of the later plan, and it can ensure the acceptance of the plan.


In view of the characteristics of waste gas treatment and the previous experience of similar products, the extrusion line mainly produces non-methane total hydrocarbon organic waste gas, which has a volatile and irritating odor at room temperature. 和DAUV-3000型uv光解废气催化装置工艺进行处理,处理风量分别为3000m3/h。 Therefore, according to the relevant national standards and specifications, this type of exhaust gas is volatile organic compounds VOCs, and the environment can be decided to use DAXT-3000 exhaust gas spray absorption tower and DAUV-3000 UV photolysis exhaust gas catalytic device process for processing. 3000m3 / h. The system is mainly composed of a suction hood, a collection duct, an exhaust spray absorption tower, a UV photolysis exhaust catalytic device, a fan, an exhaust tube and other mechanical accessories. The entire system uses less energy to achieve standard emissions.


Our company always adheres to the operating principles of integrity, pragmatism and dedication. In order to successfully complete the delivery in terms of quality and quantity, we are anxious for the user. The production department adjusted the production plan in time to ensure the exhaust spray absorption tower and UV photolysis exhaust catalyst. Can be delivered in time. After the production of the equipment is completed, the customer personally comes to the factory for pre-shipment acceptance, checks the self-made equipment, purchased parts (including the certificate information), and the quality inspection records, and determines that there is no problem to allow the shipment.


After the exhaust gas spray absorption tower and UV photolysis exhaust gas catalyst device arrive at the customer's site, both parties conduct unpacking inspections in accordance with the shipping list, check the quantity, material, specifications, etc., and confirm that they meet the requirements set out in this technical agreement. Our company's staff unloaded and installed on-site, and started on-line commissioning. The exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device are operating normally. The exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device have the processing capacity and emission indicators. The parameters are tested by the customer and meet the inspection indicators of the technical agreement.


DAXT-3000 exhaust gas spray absorption tower and DAUV-3000 UV photolysis exhaust gas catalyst device

Site installation and commissioning is completed and has been put into use


图为DAXT-3000型废气喷淋吸收塔和DAUV-3000型uv光解废气催化装置  现场安装调试完毕并已投入使用


图为DAXT-3000型废气喷淋吸收塔和DAUV-3000型uv光解废气催化装置  现场安装调试完毕并已投入使用


The design process of the exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device


The organic waste gas in the workshop is collected through the suction pipe or the suction hood. Under the action of the fan, it is transported through the pipeline to the exhaust spray absorption tower. The exhaust gas is in full contact with the spray liquid from the top to the bottom and is in contact with the spray liquid through the filler Absorb, neutralize, and remove most of the particulate pollutants and odors, and then enter the UV photolysis exhaust gas catalytic device. In the UV photolysis catalytic treatment unit, most of the VOCs in the exhaust gas are fully decomposed into small molecular components, that is, Carbon dioxide and water, the purified gas is discharged after testing and meeting the standards.


Process flow chart of exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device treatment process


Exhaust gas → supplementary air hood → branch duct → main duct → exhaust gas spray absorption tower → UV photolysis exhaust gas catalytic device → fan → emission

Each branch duct is designed with a suction hood and equipped with a pipe control valve. When a certain suction hood does not need to work, the control valve can be closed manually.

In view of the characteristics of the exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device, in order to ensure the safe operation of the system, the rotating parts of the system equipment are all isolated by covers to prevent injuries.


The picture shows that the customer passed the environmental protection test and the exhaust gas emission rate meets the emission limit.


图为客户顺利通过环保检测 废气排放速率符合排放限值

On April 3, 2019, after using the exhaust gas spray absorption tower and UV photolysis exhaust gas catalytic device scheme designed and produced by Noda Environment, the customer passed the third-party inspection smoothly, and the long-standing heart disease was relieved. Noida has strong strength and good effect in the treatment of plastic waste gas. It is very professional in the system configuration of waste gas treatment site survey, pipeline design, fan selection, and equipment configuration. Therefore, the overall cost of our plastic waste gas treatment system is better. And through the regular maintenance of the equipment, the system is in a good operating state and the service life is extended. More than 50% of our company's orders are referred from customers. Don't worry about environmental protection surprise inspection. I believe that this customer will also become a loyal user of the environment after passing the environmental protection inspection.


In the future, Noda Environment will continue to work hard to improve the technical level, improve the management system, and build a good corporate culture. Our development is inseparable from the support of our customers. Here, I would like to thank all my colleagues and customers for their support, thank you very much!


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