If the process water is not discharged at all, it can be called a white water closed loop, that is, "zero discharge." Correct understanding of the scraper The number of presses using scrapers is increasing, so how to use the scraper correctly is also very important. For the grassroots staff, paper companies, schools, the public and other different groups, the POPs science knowledge, conventions, project conditions and advanced technologies, the eco-environment department carried out extensive publicity and training activities on different occasions. The public and the professionals were involved in the supervision of the work of reducing emissions and received good social effects. The precipitation method is to separate the fibers and the filler by means of sedimentation, so as to recover the fibers and fillers and clarify the white water. There is also no proper cleaning of the equipment, etc., that is, if the work is not done, it will cause the equipment to deteriorate. Promote the optimal operation method and reduce the loss of human factors. In the process of paperboard production, the quality of the product and the size of the loss have a decisive relationship with the attitude of people. At the same time, due to the vast territory of China and the dispersion of packaging and printing enterprises, in general, China's paper printing and packaging industry presents three major characteristics. In the low-intensity ultrasonic assisted process, the cavitation of the ultrasonic wave will form mechanical vibration energy and vibration waves, which is more conducive to the promotion of fibrillation inside the fiber. Under this condition, the hydrogen bonds between the fiber chains in the corn stover are destroyed. The biomass fibers are gradually decomposed into nanofibrillated fibers. 7 steps to complete the initial maintenance of the initial cleaning. The cleaning is to thoroughly clean the dust and garbage with the equipment as the center. Check the cleaning, check the problems, find the potential defects of the equipment, and deal with them in time. The operator has a loving care for the equipment. This is mainly because the seasonal demand of downstream customers is mainly concentrated in the second half, especially in the fourth quarter. As a supporting service-oriented manufacturing industry in the fast-moving consumer goods market, the paper printing and packaging industry has also formed the Pearl River Delta industrial belt with Guangdong as the center, the Yangtze River Delta industrial belt centered on Shanghai and Jiangsu and Zhejiang, and the Beijing-Tianjin-wing Bohai Sea Industry Belt. At present, Guangxi's pulp and paper enterprises have all carried out upgrading and transformation of non-sulphur bleaching technology and pollutant emission reduction work. Some enterprises such as the demonstration enterprise Nanning Sugar Co., Ltd. Pumiao Paper Mill have completed the chlorine bleaching in 2016. Technical upgrading, Tianyang Nanhua Paper Co., Ltd., Guangxi Laibin East Sugar Paper Co., Ltd., Guangxi Fengxue Luzhai Paper Co., Ltd. have successively applied to become demonstration paper mills, and will complete the upgrade of chlorine-free bleaching technology in June 2019. Reconstruction, other related companies will complete the transformation work before the end of 2019. Only the production and use department has done a good job of "preventing deteriorating activities", and the maintenance department can exert the true power of the full-time maintenance means it undertakes in order to make the equipment truly and effectively maintained. In order to effectively guide the pulp and paper enterprises to apply for pollutant discharge permit, and to carry out pollution prevention and control from the technical and management service enterprises, the Guangxi Environmental Protection Research Institute and other departments have in-depth investigation of the production and operation of the pulp and paper enterprises in the jurisdiction, and compiled Guangxi Pulp and Paper Industry Pollution Prevention and Environmental Management Technical Manual, "Guangxi Pulp and Paper Industry Pollution Discharge Permit and Standardized Management Technical Guide" and "Guangxi Pulp and Paper Industry Special Treatment Plan" and other documents. The judgment criteria should be quantified. Taking temperature as an example, the quantification should be determined as “should be below XX degrees†and cannot be vaguely described as “no abnormal heatingâ€. The use of low-intensity ultrasonic waves is a very gentle ultrasonic environment that facilitates the degradation of amorphous regions in cellulose while preserving the crystalline regions. Furthermore, consideration can be given to continuous improvement of previously prepared benchmarks for inspection.
At the same time, the ecological environment department of the autonomous region has also issued relevant policies, established a long-term mechanism, and improved the environmental supervision, testing and law enforcement capabilities of the management department. In order to actually advance this work, we have derived five major countermeasures for achieving zero failures for possible causes: basic conditions: the basic conditions, that is, cleaning, refueling, fastening, etc. Laser laser film self-adhesive label Multi-color product label universal label paper, suitable for high-standard information labels for stationery and decorations. The "low-intensity ultrasonic assisted amino acid ionic liquid" combination method can solve the problems of low crystallinity of NCC prepared by single amino acid ionic liquid, poor thermal stability, and the like, and can improve the product quality of NCC. In addition, in the rainy season, you should pay attention to the air humidity in the workshop, warehouse, and printing departments. It is recommended to use a moisture detector to measure the paper value between 8-10. Generally, the book paper has a larger moisture absorption than the powder paper, and the pH value is also higher. Pay attention to the rusting of the wire inside the binding book.
A representative device that is currently widely used is a multi-disc vacuum filter. The second stage uses a floating separation method to separate solids with large buoyancy.
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