Development status of domestic sewage treatment equipment

     The development status of domestic sewage treatment equipment the production of domestic sewage treatment equipment began in the late 1970s. At that time, the level of standardization, complete set and serialization of products was very low, and there were few finalized products. Since the 1990s, the relevant departments of the state have successively carried out technical transformation on the main sewage treatment equipment manufacturing enterprises, which has improved the manufacturing capacity and manufacturing level. The production level of the special equipment for urban sewage treatment and the matching general equipment has been greatly improved.

     At present, all or main equipment of municipal sewage treatment plants with daily treatment capacity of 5, 10, 25 and 50 tons can be localized. Among them, the domestic microporous aerator, high strength aerator, belt filter press, all kinds of grid cleaning machines, belt filter press, mud scraper, sand scraper, aeration brush, aeration blower, large sewage pump, submersible electric pump and so on, have basically met the domestic market demand, and some products have been exported.

      In terms of product design, domestic equipment such as sewage sludge lifting system, mechanical filtration and sedimentation system, aeration treatment system and sludge dewatering treatment system with a daily treatment capacity of 50000 to 500000 tons have reached the world level of 1980s and can provide complete sets of equipment. However, there is still a big gap between domestic equipment and foreign developed countries in biogas power generation system and online monitoring system.

      In some of the world’s relatively new technology and equipment fields in the 1990s, there are still gaps to be filled.In terms of product level, the efficiency of single unit equipment of blower, water pump and other products with large energy consumption is close to that of water in 1980s.Ping. The overall level of complete sets of products is equivalent to that of the world in the 1970s and 1980s.

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