At present, the commonly used flue gas desulfurization methods at home and abroad can be divided into three types of desulfurization processes: wet, semi-dry, and dry according to whether water is added during the desulfurization process and the dry and wet form of the desulfurization product. 1. Wet desulfurization Advantages: gas-liquid reaction, fast reaction speed, high desulfurization efficiency, generally higher than 90%, mature technology and wide application. The technology is relatively mature, and the production and operation are safe and reliable, accounting for more than 80% of the total installed capacity of desulfurization. Disadvantages: The product is liquid or sludge, which is difficult to handle, the equipment is severely corrosive, the flue gas needs to be reheated after washing, the energy consumption is high, the area is large, and the investment and operating costs are high. The system is complex, the equipment is huge, the water consumption is large, and the one-time investment is high. It is generally suitable for large-scale power plants. Technical route: limestone/lime-gypsum method, indirect limestone-gypsum method, lemon absorption method, etc. 2. Dry desulfurization Advantages: gas-solid reaction, compared with wet desulfurization system, the equipment is simple, the area is small, the investment and operating costs are lower, the operation is convenient, the energy consumption is low, the product is easy to handle, and there is no sewage treatment system. Disadvantages: slow reaction speed, low desulfurization rate, advanced up to 60-80%. The desulfurization efficiency is low, the absorbent utilization rate is low, the abrasion and fouling phenomenon are more serious, the equipment maintenance is more difficult, the stability and reliability of the equipment operation are not high, and the service life is short. Technical route: activated carbon adsorption method, electron beam radiation method, charged dry absorbent injection method, metal oxide desulfurization method, etc. 3. Semi-dry desulfurization Semi-dry desulfurization includes spray drying desulfurization, semi-dry and semi-wet desulfurization, powder-particle spouted bed desulfurization, flue jet desulfurization, etc.. 1. Spray drying method Disperse the absorbent into very small mist droplets by the force of machinery or air flow. The mist droplets and the flue gas form a relatively large contact surface area. A kind of heat exchange, mass transfer and integration between the gas and liquid phases occurs. Desulfurization method of chemical reaction. Commonly used absorbents are lye, lime milk, limestone slurry, etc. At present, most devices use lime milk as absorbent. Under normal circumstances, the desulfurization rate of this method is 65%-85%. Advantages: Desulfurization is carried out in the three-phase state of gas, liquid, and solid. The process equipment is simple. The product is dry CaSO3 and CaSO4, which is easy to handle, has no serious equipment...

Anhui Yuanchen Environmental Protection Technology Co., Ltd. (hereinafter referred to as "Yuanchen Technology") is mainly engaged in the research and development, production, sales and service of flue gas purification, energy-saving and environmental protection filter materials, and provides corresponding online monitoring, environmental testing, and hazardous waste recycling services . Yuanchen Technology serves the national sustainable development strategy of the ecological environment, and has long been committed to the research and development and production of new materials in the field of pollution reduction and carbon reduction and the integration of upstream and downstream industrial chains, relying on strong scientific research capabilities and deepening of the industrialization of core technologies. , Embarked on the fast lane of accelerated development. From 2017 to 2020, the company's operating income was 267 million yuan, 324 million yuan, 363 million yuan, and 458 million yuan; the net profits attributable to the parent were 36 million yuan, 38 million yuan, 59 million yuan, and 63 million yuan, respectively. Recently, Yuanchen Technology made its initial public offering of new shares and listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange. The raised funds are planned to be used in the "Industrialization Project of High-performance Dust Removal Filter Material with an Annual Output of 4.6 million Square Meters". Another historic moment in China.

In order to further promote the spirit of model workers and craftsmen, give full play to the role of model workers and mobilize the labor enthusiasm and innovation vitality of the majority of employees. On the afternoon of February 19th, Zhang Zhuqing, vice chairman of the Federation of Trade Unions of Xinzhan High-tech Zone, led a team to Anhui Yuanchen Environmental Protection Technology Co., Ltd. to award the "Zhou Guanchen Blue Collar Innovation Studio" which was standardized at the municipal level. Zhang Zhuqing conducted a field visit to Zhou Guanchen’s blue-collar innovation studio, listened to the introduction of the innovation studio’s operation, learned in detail about the innovation studio’s organizational structure, rules and regulations, work objectives, innovation results, etc., and the innovation results achieved by the innovation studio The patent project is fully affirmed. It is hoped that the blue-collar innovation studio will give full play to the role of “passing and leading”, centering on technological innovation, product innovation and management innovation, and earnestly exerting its own professional expertise and technical advantages, and driving a group of innovative and technical talents to help the enterprise speed up Contribute to development. Zhou Guanchen’s Blue Collar Innovation Studio was founded in May 2020 and is composed of 13 members from Yuanchen Science and Technology Innovation Research Institute and Project R&D Center. It mainly carries out technological innovation activities around themes such as cost reduction, energy saving and emission reduction, technological transformation, and safe production. In the past two years, it has successively obtained 4 international PCT patent applications, 33 authorized invention patents, 31 authorized utility models, the second prize of Anhui Science and Technology Award for Key Technology Research and Industrialization of Industrial Exhaust Gas Denitration, and the "115" Industrial Innovation Team of Anhui Province , Anhui Province Science and Technology Major Projects and many other honors. In the next step, the Federation of Trade Unions of Xinzhan High-tech Zone will continue to increase the establishment of municipal-level standardized model workers and blue-collar innovation studios, provide good services in policy guidance, hardware construction, and financial support, and actively serve the region’s strategic emerging industries. Leading companies build platforms for innovation and communication, vigorously carry out various innovation and profit-making activities such as technological innovation, management innovation, and service innovation, give full play to the role of model workers in the new era, promote the cultivation and training of outstanding innovative teams, and build model workers and blue-collar innovation studios It is a base for employee innovation, skills training, and a base for promoting the spirit of model workers.

In September 2020, at the 75th session of the UN General Assembly, President Xi proposed for the first time the goal of "striving to reach the peak of carbon dioxide emissions by 2030 and striving to achieve carbon neutrality by 2060", to achieve a green and low-carbon goal for our country. The development indicates the direction, and the environmental protection industry has thus ushered in huge development opportunities. On March 13, 2021, the "Outline of the Fourteenth Five-Year Plan for the National Economic and Social Development of the People's Republic of China and the Long-term Goals for 2035" (referred to as the "Fourteenth Five-Year Plan" outline) was officially announced, proposing that Change the national independent contribution target and formulate an action plan for peaking carbon emissions by 2030." The agency said that under the guidance of a series of policies to reduce carbon emissions, energy conservation, environmental protection, clean energy and other fields will usher in new development opportunities. On March 12, the performance of carbon neutral stocks continued to be strong, and a number of power stocks such as Wenshan Power and Huayin Power all reached their daily limits. According to statistics from Flush, as of March 12, the Flush Carbon Neutral Index has risen 9.89% since March. Among 61 constituent stocks, a total of 56 have recorded positive gains in the month, accounting for 91%. To achieve carbon neutrality, one of the most urgent measures at present is to vigorously control air pollution. Yuanchen Technology is the one who has been deeply involved in this field for many years. Yuanchen Technology’s main business products are various types of high-efficiency and low-resistance dust removal filter bags and medium and low temperature SCR denitration catalysts. While saving energy and increasing efficiency, they are specially used to treat smoke and nitrogen oxides in industrial flue gas, which belong to air pollution control. An indispensable and important component has an important strategic position in the national air pollution prevention and control process. Its market demand, technical level and the development and growth of the entire industry are also closely related to the continuous deepening of national environmental protection requirements. Tighter pollution emission control is a key factor that promotes the rapid development of the bag dust removal and flue gas denitrification industries. The bag dust removal and denitrification industries are policy-driven industries. In recent years, many industrial policies have been issued for flue gas dust removal and denitrification products. To encourage and give priority to the development of manufacturing and application. The report of the 19th National Congress of the Communist Party of China pointed out that we should adhere to the common governance of the whole people, source prevention and control, continue to implement air pollution prevention and control...

Yuanchen's New Filtration Products Recognized as Domestic Leading Level   Recently, two new products were independently developed by Anhui Yuanchen. These products were well received by experts at the Anhui Provincial New Product Appraisal Conference organized by Hefei Municipal Government.   Two Innovative Filtration Products Developed by YuanChen   The two independently developed new products are: "YC-XCL-850 - Waste Incineration Filtration Material" and "YC-XCL-580 - Gradient Meltblown-Spunbond Composite Filtration Material". After assessment and evaluation, both new products have reached the "Domestic Leading" level in China.   Yuanchen Experts at Appraisal Conference   Mao Zhiwei, a technical expert from YuanChen Academy of Scientific and Technological Innovation, attended the conference. Some internal staff from YuanChen also attended the conference.   The experts thoroughly reviewed the product information. They assessed the details and applications of the products. After rigorous examination, the experts reached a unanimous conclusion. The "YC-XCL-850" has advantages.  Specifically, this "Waste Incineration Filtration Material" has advantages like high filtration efficiency, low resistance, high temperature resistance and long service life. It also shows innovative feasibility in overcoming technical difficulties in high temperature environments.   The "YC-XCL-580" has advantages. This is a "Gradient Meltblown-Spunbond Composite Filtration Material". It has advantages such as low energy consumption, high filtration accuracy, bag design structure that facilitates dust cleaning, and long service life of filter bags. This product is suitable for industrial flue gas dust removal applications in the thermal power industry. Its ability to collect fine dust has also reached the domestic leading level in China.   With the concept of facilitating customer operation, YuanChen has developed technologies. This is based on filtration material characteristics. The characteristics are highly efficient filtration, low resistance environment, and longer service life. This development combines the technical specifications required for customers' specific projects.   Through long-term theoretical research and combining extensive scientific experimental data, YuanChen has successfully developed gradient meltblown-spunbond ultra-clean composite filter materials. These materials adopt a composite process of high-density graded spunbond technology, which not only promotes tight bonding between the ultra-fine dense layer and spunbond structure, but also forms a three-dimensional porous structure on the material surface with high filtration accuracy, reducing damage to the base fabric during bag processing. Traditional filters use three-layer structure. This forms tight filter through spunbonding. New ultra-fine gradient filter adopts graded density. Surface layer is ultra-fine dense fibers. Dust-side layer is fil...

Different types of dust bags have different stains inside, so that the methods and steps required for cleaning are different, but of course this we still need to simplify or increase the number of cleaning steps according to the actual situation. Common dust bag cleaning steps such as experiments for processing, bag cleaning, bag drying, bag repair, bag testing, etc. 1. Dust bag using high-frequency vibration, vibration can be as soon as possible through the filter bag above the various impurities to clean up a part. The larger dust particles entering the surface of the filter bag will be removed as far as possible, and will not have an impact on the fastness of the fiber entanglement, to maintain good peel resistance of the filter bag. 2. Dust bag chemical experimental treatment, which can not only deal with the bag impurities, at the same time will not damage the bag material. Extract bag samples, the use of professional instruments, laboratory testing of filter bag oil composition, so as to choose the appropriate washing materials, the maximum wash filter bag without causing any damage to the filter bag. 3. Dust bag cleaning can better help remove the stains of the bag Choose suitable washing materials and strict ratio, low temperature water cleaning, even water flow, moderate strength, no mechanical damage to the filter bag. 4. Drying of dust bag can guarantee better flatness of the bag without deformation Use 110℃ hot air drying, keep the size stability of dust filter bag, no deformation and no shrinkage after drying. 5. Dust bag repair can better protect the integrity of the bag Repair of damaged filter bags such as abrasion and holes due to use ensures a high reuse rate. 6. Dust bag testing can guarantee whether the bags are cleaned to standard The physical indicators of the cleaned filter bags are tested by instruments to ensure that the cleaning quality meets the requirements. Anhui Yuanchen Environmental Protection Science & Technology Co., Ltd ("Yuanchen Technology") is a high-tech enterprise integrating R&D, production and sales of dust removal bags and denitrification catalysts. The dust bags (mainly PPS, PTFE, P84 and composite series filter materials) and SCR denitrification catalysts have been widely used in cement, steel, glass kilns, waste incineration, biomass power generation, non-ferrous metal smelting and other industries. In the future, Yuanchen Technology will be guided by the principle of "becoming the guardian of the global ecological environment", always rooted in environmental protection and insisting on the great cause of guarding the blue sky and white clouds. Leveraging on the national ecological civilization construction pattern, we will continue to deepen our technology, optimize our management, strengthen our brand, refine our industry, and solidify our advantages, so as to create synergistic value for the industry through comprehensive and integrated governance and services.