Underground sewage treatment equipment in hospitals

Underground sewage treatment equipment in hospitalsHospital sewage, in addition to general domestic sewage, also contains chemical substances, radioactive wastewater, and pathogens. Therefore, it must be treated before being discharged, especially the sewage discharged from infectious disease wards such as hepatitis, which must be disinfected before being discharged. Hospitals without centralized sewage treatment equipment must disinfect infectious feces separately to make them harmless. Common disinfectants include bleach powder, liquid chlorine, sodium hypochlorite, and ozone. Wastewater containing radioactive isotopes should be treated according to isotope treatment requirements. During the treatment process of hospital wastewater, the settled sludge contains a large amount of bacteria, viruses, and parasite eggs, and must be disinfected (commonly with hydrated lime) or composted at high temperatures before it can be used as fertilizer.

Underground sewage treatment equipment in hospitalsThe main departments and facilities for hospital sewage treatment

Drainage in diagnosis and treatment rooms, laboratories, wards, laundry rooms, X-ray image printing, animal rooms, isotope therapy diagnosis, operating rooms, etc. The domestic sewage discharged by hospital administrative management and medical staff, as well as the drainage of canteens, single dormitories, and family dormitories. The composition and amount of wastewater generated by different departments vary, such as heavy metal wastewater, oily wastewater, printing wastewater, radioactive wastewater, etc. Moreover, the wastewater generated by hospitals of different properties also varies greatly. The discharge of hospital sewage is more complex than that of general domestic sewage.

The sources and components of hospital wastewater are complex, includingillnessPrimary microorganisms, toxic and harmful physical and chemical pollutants, and radioactive pollution have characteristics such as space pollution, acute and latent transmission. Without effective treatment, they can become an important pathway for disease spread and seriously pollute the environment.

feature

(1) High organic load and less land occupation

(2) Large biomass, high activity, strong impact resistance

(3) Has dual functions of biodegradation reaction and filtration, without the need for a secondary sedimentation tank

(4) Due to the cutting effect of the filter material, the oxygen utilization rate is high

(5) Stable and reliable operation, easy management

The working principle of the buried integrated sewage treatment equipment is mainly based on the working stage of the microorganisms at the site. Large particle impurities and suspended solids are removed, and the wastewater enters the biochemical treatment system. In the biochemical treatment system, organic matter in sewage is decomposed into inorganic matter by microorganisms, while ammonia nitrogen is converted into nitrate nitrogen, and finally pollutants and suspended solids are separated through a sedimentation system. During the disinfection stage, the treated wastewater is disinfected to ensure the quality of the treated water meets the required standards. The sewage is discharged or reused through the outlet pipe.