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『Domestic sewage flow meter』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
1. The definition, classification and monitoring methods of sewage outfalls into rivers
Sewage outfalls into rivers refer to the outlets that discharge sewage directly or through pipelines, ditches, canals and other sewage discharge channels to rivers, lakes, canals, canals, reservoirs and other surface water bodies, which are important channels for pollutants to enter water bodies and directly affect the quality of water environment. According to the "Technical Guidelines for Supervision and Management of River and Sea Discharge Outlets - Classification of Discharge Outlets" (HJ 1312-2023), river discharge outlets are mainly divided into the following four categories: industrial discharge outlets, industrial and mining enterprise discharge outlets, which refer to the outlets where industrial enterprises, mines, and tailings ponds discharge production and domestic sewage into environmental water bodies. Industrial and other types of industrial park sewage treatment plant discharge outlets: Refers to the outlets where industrial parks, industrial clusters, economic development zones, and other types of parks discharge sewage into environmental water bodies. Urban sewage treatment plant discharge outlet: refers to the sewage outlet of the centralized treatment facilities for domestic sewage in cities, counties, and towns that directly discharge into environmental water bodies. Agricultural discharge outlets: including large-scale livestock and poultry breeding discharge outlets, large-scale aquaculture discharge outlets, etc. Other discharge outlets: including large and medium-sized irrigation area discharge outlets, port and dock discharge outlets, small-scale livestock and poultry breeding discharge outlets, s
