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    Strict Environmental Protection Supervision, The Next Step Of 2020 National Energy Saving And Environmental Protection Annual Meeting Of Printing And Dyeing Industry

    2020/10/13 12:17:00 1

    Printing And Dyeing IndustryEnergy Saving And Environmental ProtectionAnnual Meeting

    On October 12, "Keqiao · 2020 national energy conservation and environmental protection annual meeting of printing and dyeing industry" was held in Shaoxing, Zhejiang Province. The conference was organized by Shaoxing Municipal Bureau of printing and dyeing technology, the latest high concentration wastewater treatment technology, the state-of-the-art technology for waste water treatment and emission reduction, and the state-of-the-art technology and management of high-efficiency waste water treatment equipment were jointly organized by Shaoxing printing and dyeing Bureau, Keqiao City, China.

    The morning meeting was presided over by Chen Zhihua, President of China printing and dyeing industry association.

    With the help of the east wind of printing and dyeing gathering, in recent years, while eliminating backward production capacity on schedule, Keqiao printing and dyeing enterprises have carried out digital, intelligent and clean transformation and upgrading; and gradually applied a large number of high-end equipment, processes and technologies such as automatic batching system, intelligent management system, robot, less water printing and dyeing.

    As the host, the Deputy District of the people's Government of Keqiao District, Shaoxing, said in his speech that the printing and dyeing industry is an important aspect of the transformation and upgrading of Keqiao's traditional industries. How to improve the quality and efficiency, strengthen and optimize, realize energy conservation and emission reduction, green development, has been the difficulty and blocking point restricting the healthy development of printing and dyeing industry. She hoped that with the help of this annual meeting, she would further deepen exchanges and cooperation and bring more talents, more technologies and more projects into Keqiao.

    Li Lingshen, vice president of China Textile Industry Federation, fully affirmed the work of printing and dyeing industry in recent years. "The printing and dyeing industry is an important part of the textile industry chain and a key industry to improve the quality and added value of clothing and household textiles. In recent years, printing and dyeing enterprises continue to increase investment in R & D, and the proportion of R & D investment of industrial enterprises in product sales revenue ranks first in the textile industry. " In order to speed up the high-quality development of the printing and dyeing industry, he pointed out that the printing and dyeing industry should adhere to the innovation driven, promote the technical level of the whole printing and dyeing industry through scientific and technological research and application, actively promote green development, build a "Trinity" green manufacturing system of green products, green factories and green supply chain, adhere to the responsibility orientation and implement the corporate social responsibility management Management system.

    Ge Chazhong, research director of the Environmental Planning Institute of the Ministry of ecological environment, interpreted the latest environmental management policies of China's printing and dyeing industry. He said that with the continuous improvement of environmental management requirements and citizens' environmental awareness, green and sustainable development is the inevitable trend of the transformation and upgrading of the printing and dyeing industry. With the continuous strengthening of environmental protection supervision, some small and medium-sized enterprises unable to bear the cost of "three wastes" treatment will face impact, while large and medium-sized printing and dyeing enterprises will continue to improve environmental protection facilities, enhance market competitiveness and market share by virtue of management, capital and scale advantages. Under the guidance of policy, the printing and dyeing industry will further optimize the industrial structure, and the degree of industry standardization will continue to improve.

    Professor Mao Zhiping of Donghua University discussed the role of electrolytes and urea in reactive dyeing and printing. He pointed out that the organic environmental protection electrolyte can make cellulose fiber cationic modified in advance, improve the degree of dye aggregation, and improve the driving force of dye from solution to fiber. He also said that with the increasingly strict ammonia and krypton index of printing and dyeing wastewater discharge, reducing urea consumption has become an urgent problem for the printing and dyeing industry. Mao Zhiping said that in recent years, Donghua University has made a self-made cosolvent and evaluated the possibility of the auxiliary agent replacing urea by comparing the nitrogen content in printing wastewater.

    At present, the urgent problem of printing and dyeing is that the quantity of orders increases sharply. How to choose a safe and reliable range hood is a topic of common concern for printing and dyeing enterprises. Yang Guanghua, general manager of Suzhou Mingkui Fire Technology Co., Ltd., introduced the fume purifier independently developed by the company. According to reports, the product uses air cooling, air duct, range hood, chimney automatic cleaning, no inflammables. Products fully automatic fire prevention, voice feedback, and the use of Internet of things technology applications. In addition, automatic explosion-proof, explosion-proof area up to 70% of the box. More importantly, the power supply of high frequency power supply can reach 40KHz, which can save at least 30% of the cost compared with the power frequency (50Hz) power consumption.

    Lian Yejun, general manager of Shandong Shuangxin energy saving and Environmental Protection Technology Co., Ltd., shared the solutions for comprehensive heat recovery and application in printing and dyeing enterprises. According to reports, the company focuses on the R & D and production of waste heat recovery and heating system equipment, and provides customers with heat recovery and application solutions for technology-based and service-oriented enterprises; the company's products have a number of independent research and development technologies, such as thermal power conversion heating, exhaust steam recovery conversion steam flow recycling, cold water steam made steam recycling and other technologies.

    In order to improve the utilization rate of dyes, salt becomes the most used chemical in reactive dyeing process. However, the high salt wastewater seriously pollutes the water body and hinders the green and sustainable development of textile printing and dyeing industry. Fang kuanjun, a professor at Qingdao University, said that the reduction of pollutants at the source is the key to improving the sewage treatment effect and water recycling efficiency. Printing and dyeing enterprises should vigorously apply green technology to reduce the pollution and damage of ecological environment. It is understood that Fang kuanjun led the team to cooperate with a number of enterprises to create salt free dyeing production line for fabrics, fibers and yarns based on the innovation and development of complete sets of technology and equipment. The industrial application of salt free dyeing with reactive dyes was realized for the first time, and the use of salt was completely eliminated. The first-class product rate reached more than 96%.

    It is worth noting that at the meeting, the bronze medal of product R & D and production base of China printing and dyeing industry association was awarded, and the 14th batch of recommended catalogue of advanced technologies for energy conservation and emission reduction of China's printing and dyeing industry was released, and some typical technologies were exchanged and promoted for the first time. In addition, more than ten enterprises, including Lixin dyeing and finishing machinery (Shenzhen) Co., Ltd., Zhongshan Guotai dyeing and finishing Co., Ltd., Changzhou Hongda Electric Co., Ltd., introduced their experiences on lean management, intelligent manufacturing and green development. As of press release, the meeting is still in progress. The environmental protection annual meeting will end on the 13th, and representatives will also visit Zhejiang red green blue textile printing and dyeing Co., Ltd.


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