Underground integrated sewage treatment equipment

Underground integrated sewage treatment equipmentIt is a modular environmental protection equipment that integrates traditional sewage treatment processes into underground enclosed spaces. It has significant advantages such as small footprint, high treatment efficiency, and low operating costs, and has become one of the key technologies in modern water environment governance systems. This device highly integrates treatment units such as grilles, regulating tanks, biological reaction tanks, sedimentation tanks, disinfection tanks, etc. through modular design, and can flexibly combine processes such as A/O (anoxic/aerobic), MBR (membrane bioreactor), SBR (sequencing batch reactor), etc. according to different water quality requirements to achieve efficient purification of domestic sewage, industrial wastewater, and rural dispersed sewage.

Underground integrated sewage treatment equipmentFrom a technical perspective, the device achieves pollutant removal through the synergistic effect of physical interception, biodegradation, and chemical disinfection. Wastewater is first removed of suspended solids through a grid, and then enters a regulating tank to balance water quality and quantity; In the bioreactor, organic matter is decomposed into carbon dioxide and water through the metabolic processes of aerobic and anaerobic microbial communities, while nitrogen and phosphorus are removed through nitrification denitrification processes; The supernatant after sedimentation is disinfected with ultraviolet light or chlorine dioxide to meet the standard for discharge, while the sludge is regularly transported and treated by professional equipment. Taking a community sewage treatment project as an example, after using buried A/O process equipment, the COD (chemical oxygen demand) removal rate reached over 85%, the ammonia nitrogen removal rate exceeded 90%, and the effluent quality remained stable and met the Class A standard of the "Pollutant Discharge Standards for Urban Sewage Treatment Plants" (GB 18918-2002).

In terms of application scenarios, the device demonstrates environmental adaptability. In the renovation of old urban residential areas, the space under the green belt can be utilized for installation to avoid land acquisition difficulties; In rural areas, treating dispersed sewage through single household or joint village models can solve the pain point of low pipe network coverage; In tourist attractions, highway service areas, and other places, modular design can be quickly deployed and integrated with the landscape. After adopting underground MBR equipment, a certain ecological tourism area not only achieved micro discharge of sewage, but also restored the natural landscape through top covering soil greening, increasing the annual number of visitors by 15%. In addition, the fully enclosed operation of the equipment effectively avoids the spread of odors and the breeding of mosquitoes and flies, significantly improving the surrounding living environment.

Compared with traditional sewage treatment plants, underground integrated equipment has outstanding economic advantages. In terms of construction costs, land acquisition and surface construction expenses are eliminated, and the investment per unit processing capacity is reduced by 30% -50%; During the operation phase, unmanned operation is achieved through intelligent control systems, with energy consumption only 60% -70% of traditional processes, and the demand for operation and maintenance personnel is reduced by more than 70%. Data from a sewage treatment project in a county-level city shows that after adopting buried equipment, the operating cost per ton of water has decreased from 1.2 yuan to 0.8 yuan, and the investment payback period has been shortened to 5 years. At the same time, the equipment can dynamically adjust its operating parameters according to changes in water quality, and automatically switch to emergency treatment mode when water volume surges during the rainy season, ensuring stable treatment effects.

With the upgrading of environmental protection requirements and technological innovation, underground integrated equipment is developing towards intelligence and low-carbon direction. Real time monitoring of key indicators such as inlet and outlet water quality and energy consumption, and remote platform for fault warning and precise regulation;; The lifespan of membrane components in modular MBR equipment has been extended to over 5 years, further reducing replacement costs. Under the promotion of the "dual carbon" goal, this equipment is becoming an important technological path for achieving carbon reduction in the field of sewage treatment, providing a more sustainable solution for urban and rural water environment governance.