in recent years, the country has attached great importance to the protection of the ecological environment, and the discharge requirements for sewage treatment have become higher and higher. with the successive introduction of the “water ten articles”, most of the original sewage treatment plant processes can no longer meet the existing requirements. the companies in the industry have improved their own technological level, among which the deep filtration represented by surface filtration and upflow filter technology represented by mbr membrane technology is more popular.
shenzhen qingquan, as the drafting unit of the design regulations for upflow filters in the national urban water supply and drainage industry, has always attached great importance to technology research and development, and has obtained patents for upstream flow filter and non-blocking aeration biological filter and other filters. dozens of projects, more than 500 cases of successful project applications throughout the country, and projects in thailand in southeast asia and angola in africa.
upstream flow filter, as one of the company's core processes, has the following characteristics:
1. it has a large amount of pollutants, 500% higher than the downflow filter, and it can discharge primary water.
2. total nitrogen tn removal rate up to 95%, no need to install nitrogen drive;
3, advanced water distribution system, uniform aeration, filter clogging;
4, back flushing is cleaner, back flush water consumption is less, no filter material loss;
5, high degree of automation, easy management;
6. the water quality of the effluent is better than grade a, and it is easy to reach grade iv of the surface.
the process is widely used in various areas such as domestic sewage treatment, industrial wastewater treatment, industrial aquaculture circulating water treatment, urban water supply treatment, black and odor water body treatment. take the case of the municipal sewage treatment plant to increase the capacity of the standard. for example, the abm combination based on the upflow filter is compared with the aao mbr combination based on the membrane technology:
it is not difficult to see that the advantages of abm based on upflow filter in this field are extremely obvious.
shenzhen qingquan water industry co., ltd. was founded in 1995. it is the first national high-tech enterprise established in shenzhen by the chinese urban water supply and drainage industry to break the monopoly of foreign companies. the head office is located in shenzhen. since its establishment 23 years ago, it has been focusing on increasing the capacity of wastewater treatment plants in cities and towns, improving the quality and efficiency of water plants, providing advanced solutions for industrial wastewater treatment, industrial aquaculture water treatment, water reuse, and reclaimed water plants to provide solutions and intelligent modular water treatment. equipment. shenzhen is the first batch of "national high-tech enterprises", the company registered capital of 31 million yuan, has passed the iso9001 quality management system certification. in the future, the company will continue to increase investment in technology research and development, maintain the advanced nature and applicability of technology, and do its part for the development of the industry.
