Sewage recycling device and method for expressway service area
A technology for expressways and service areas, applied in the field of sewage reuse devices in expressway service areas, can solve problems such as difficulty in meeting discharge requirements, and achieve the effects of reducing secondary pollution, small mutual interference, and good denitrification and phosphorus removal.
Pending Publication Date: 2020-07-14
广西中冠智合环保技术有限公司
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[0003] The technical problem solved by the present invention is to provide a sewage reuse device and method
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The invention discloses a sewage recycling device and method for an expressway service area. The device comprises a grid, an adjusting tank, an integrated A2O biological reaction tank, a sand filter,an MBR assembly, an ultraviolet sterilizer and a reclaimed water recycling tank. The integrated A2O biological reaction tank of the device continuously performs nitrogen and phosphorus removal in a sewage backflow mode, and the nitrogen and phosphorus removal effect is good; the MBR membrane assembly adopts an external membrane, the membrane unit and the integrated A2O biological reaction tank arerelatively independent, the mutual interference between the membrane unit and the integrated A2O biological reaction tank is relatively small, and the ultrafiltration effluent suspended matter of theexternal membrane is close to zero, so that the subsequent recycling water quality requirement can be met; and the process is provided with a two-stage disinfection process, so that secondary pollution caused by virus infection is greatly reduced.
Description
technical field [0001] The invention relates to the technical field of environmental protection, in particular to a device and method for reusing sewage in expressway service areas. Background technique [0002] In the past, except for greening projects, the domestic sewage in the subsidiary areas along the expressway was rarely treated and reused, and most of it was directly discharged. In recent years, as governments at all levels have improved their awareness of road environmental protection construction, a few expressways have begun to treat domestic sewage in restrooms and service areas along the line, but the traditional biological contact oxidation method and activated sludge method are mainly used. The treated sewage is difficult to meet the discharge requirements. Contents of the invention [0003] The technical problem solved by the invention is to provide a sewage reuse device and method in expressway service areas, which solves the problem that it is difficult...
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Patent Timeline
Login to View More IPC IPC(8): C02F9/14C02F101/16
CPCC02F9/00C02F1/001C02F3/308C02F3/302C02F2301/08C02F3/1268C02F1/32C02F1/76C02F2303/04C02F2101/16C02F2303/02C02F2303/14
Inventor 徐翔冯秋瑜韦科陆黄珩恒苏坚庆
Owner 广西中冠智合环保技术有限公司