The smart drainage pipe network GIS management system is a system that integrates spatial data, real-time monitoring and decision support for industries and counties. It is used for the management, monitoring and optimization of drainage pipe networks. The system uses geographical information technology to visualize various data, location and status of drainage pipe networks, helping city managers improve pipe network management efficiency, respond to emergencies, and optimize long-term strategies.
The drainage pipe network undertakes the dual tasks of collecting and discharging urban sewage and rainwater, and is an important infrastructure of the city. With the development of the city and the continuous expansion of the pipe network, the drainage pipe network has prominent problems such as insufficient inspection well monitoring equipment, silting of pipe sections, disorderly supervision, and excessive discharge of sewage, which has led to the direct discharge of some sewage into the receiving water body, causing increased water pollution and even becoming a black and smelly water body. Zhejiang Province has been committed to the construction of a "zero direct sewage discharge zone", implementing the full-process dynamic supervision of important nodes such as source diversion (rainwater and sewage diversion), process control (sewage interception and storage pipes, pipe network transportation), terminal treatment (sewage treatment plants), and drainage (sewage) port standard construction, and establishing a "digital drainage system with real-time sensing across the region and information integration and sharing."
The drainage pipe network monitoring and early warning project in this region is based on the construction of a GIS geographical information system. The main contents include the drainage Internet of Things sensing system, data transmission system and smart drainage data receiving application system software. Among them, the data sensing and transmission system includes monitoring of inspection well water level, sewage pumping station flow, COD concentration monitoring, waterlogging point water level monitoring, video monitoring to sewage treatment plant sludge turbidity monitoring, full-chain and multi-scenario dynamic supervision, strengthening process management and control, realize integrated online monitoring and linkage management of drainage pipe networks and facilities operation and maintenance, and provide management support for improving the quality and efficiency of urban sewage treatment.
Inspection well water level monitoring
Monitor the water level at important nodes of the drainage pipe network in real time, understand the real operating conditions of the drainage pipe network, and meet the application needs of different departments such as dispatching, maintenance, flood control, management, and decision-making.
Monitoring of sewage pumping station
Monitor key inlet and outlet flows and cod concentration of sewage pumping stations. According to the drainage flow, the start and stop of the water pump are automatically controlled; at the same time, the cod concentration of the incoming and outgoing water from the pumping station is monitored in real time to accurately grasp the drainage water quality indicators.
Monitoring of stagnant water at waterlogging prone points
Monitoring and video monitoring of water levels in tunnels and low-lying waterlogging spots will facilitate flood control departments to grasp the water accumulation situation in various places and ensure timely alarm and efficient disposal of dangerous situations.
Monitoring of water quality in sewage treatment plants
Monitoring sludge turbidity in sewage treatment plants enables automatic, real-time and accurate monitoring of water quality treatment in sewage treatment plants.
Through the construction of a drainage monitoring system, all-factor management of regional drainage pipe networks, sewage plants, pumping stations and urban waterlogging can be achieved. The management department can comprehensively grasp the current situation of urban drainage, take timely flood prevention and drainage measures, achieve all-round monitoring and overall dispatch management of the drainage system, effectively alleviate urban waterlogging, improve the ability to improve sewage quality and efficiency, and gradually achieve the construction goal of zero direct sewage discharge.
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