Development status of domestic sewage treatment equipment

Talk about the development status of domestic sewage treatment equipment.

    The production of domestic sewage treatment equipment began in the middle and late 1970s, when the level of standardization, complete set and seriation 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 to the main sewage treatment equipment manufacturing enterprises, improving the manufacturing capacity and manufacturing level. The production level of the special equipment for urban sewage treatment and the general equipment matching with it has been greatly improved.

     At present, all or main equipment of 5, 10, 25 and 50 tons of urban sewage treatment plants can be localized. Among them, the domestic microporous aerator, high-strength aerator, belt filter press, all kinds of grid decontamination machine, mud scraper, sand scraper, aeration brush, aeration blower, large sewage pump, submersible pump, etc. have basically been able to meet the domestic market demand, and some products are exported.

      In terms of product design, domestic equipment, such as sewage sludge lifting system, mechanical filtration and sedimentation system, aeration treatment system, sludge dewatering treatment system, which can handle 50000 tons to 500000 tons per day, has reached the level of the world in the 1980s and can provide complete sets of equipment. However, there is still a big gap between domestic equipment and foreign developed countries in terms of biogas power generation system and online monitoring system. There is still a gap to be filled in some of the world’s newer technology and equipment fields in the 1990s.

      In terms of product level, the efficiency of single unit equipment of blowers, pumps and other products with large energy consumption has been close to the level of the 1980s in the world. The overall level of complete products is equivalent to that of the world in 1970s and 1980s.

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