In the new situation of energy-saving emission reduction, sewage treatment for automation products put forward higher requirements. Good quality control, the product can be efficient and stable operation, in order to ensure efficient and stable operation of the water plant, sewage treatment on the control system of high reliability requirements require PLC supports a variety of redundant ways to better improve the reliability of the system , Improve the operating efficiency of waterworks and sewage plants and provide guarantees for more stringent water quality standards. Characteristics of urban sewage treatment Urban sewage treatment is the use of a variety of facilities and equipment and process technology, sewage contained in the pollutants from the water separation and removal of harmful substances into harmless substances, useful substances, water is purified, and make resources available Make full use of its production process is more complex. Sewage treatment process control is based on material balance scheduling based on the strong continuity of slow processing. In the sewage treatment process to use a large number of valves, pumps, fans and scrapers and other mechanical equipment, they are often based on certain procedures, timing and logic of regular open and stop. The main control objects: grid, the total pumping station, grit chamber, biological reaction tank, sedimentation tank, chlorination room, sludge treatment plant, generator room and so on. Therefore, the main goal of the plant-wide integrated automation based on field device automation is not only to ensure the quality of production and processing, but more realistic is to reduce labor intensity, facilitate production management, improve the utilization of facilities and equipment, save energy and reduce consumption, effect. In some developed countries, all urban sewage treatment plants are equipped with all-automatic control system with higher automation technology without exception. The remarkable effect is that the number of operators is greatly reduced and the cost is saved. It is understood that the construction of sewage treatment plant control system, the cost of equipment generally account for 10%, including control instruments, flow meters and so on are all included. The original sewage treatment plant management control is coarse control, with automatic control system can be precise control, to avoid a lot of mistakes, and can reduce energy consumption and reduce costs. Automation products in the field of sewage treatment is very broad market prospects. Due to the increasing size of modern sewage treatment plants, the degree of automation requirements are getting higher and higher. Sewage treatment automation control system should have automatic logic control, online process status display and parameter recording, operation fault diagnosis records, production reports display and other functions. The system can run safely and trouble-free long period, with high reliability. Sewage treatment automation status quo China's sewage treatment automation started later, into the 1990s, the sewage treatment plant began to introduce automatic control system, but mostly direct the introduction of foreign sets of automatic control equipment, domestic automatic control system in the sewage treatment plant rarely used. As early as the 1970s, China's water industry started to apply automation technology. By the 1990s, automation and informatization were generally valued in the water industry. In the past 20 years, China's water industry has made considerable progress in the application of automation technology and information technology, and has created good economic and social benefits. Over the past two decades, automation technology and information technology have been widely used in the water industry. In particular, automation technology, used in gate pumping station automation transformation, water and wastewater treatment plant SCADA system, urban water supply scheduling system. With the continuous development and popularization of wireless communication technology, internet technology and video technology, the "visualization" of water industry has basically been realized. However, compared with the international level, our country's automation and information technology are still lagging behind, as a whole, they are still at the level of 80-90 years abroad. Mainly reflected in the development of the imbalance and the level of application. The information technology aimed at intelligent decision-making is relatively slow, the phenomenon of "isolated island of information" is still serious, the integration of automation technology and information technology lacks, and a large amount of process data are silently "lying" on the scene instead of playing its due role Role. Sewage automation products demand Energy-saving emission reduction as one of the important tasks of the current water industry development, its work has attracted much attention. The automation and information technology as the development of the water industry in the post-help force to protect the continued work of energy-saving emission reduction. It will solve the process of intelligent control of production water, water supply, drainage treatment and sewage disposal so as to minimize the waste of water resources, basically realize the optimal allocation of water resources and maximize the recycling of water resources. In the new situation, sewage treatment put forward higher requirements for automation products. Good quality control, the product can be efficient and stable operation, in order to ensure efficient and stable operation of the water plant, sewage treatment on the control system of high reliability requirements require PLC supports a variety of redundant ways to better improve the reliability of the system , Improve the operating efficiency of waterworks and sewage plants and provide guarantees for more stringent water quality standards. In order to protect the initial investment of users, the system is required to have a good openness and a complete driver library for the devices of major world-famous manufacturers (such as Siemens, AB, GE, Schneider, etc.); DDE, OPC Client), ODBC and other standards, support SQL language, ActiveX controls; provide a large number of functions, you can use VB, VC, Delphi and other development tools for third-party development. In order to reduce the energy consumption and drug consumption of the system, the system is required to have a wealth of control algorithms, such as process control algorithm, advanced process control algorithm such as fuzzy control, frequency control algorithm, etc., to integrate power management and intelligent control of the pump. At the same time, it is flexible and open. As far as water treatment engineering features are concerned, a project may contain products from more than one supplier, requiring a highly inclusive electronic control system that complies with IEC international standards. In order to save the cost and reduce the workload of system maintenance, the control system is required to be easy to use and easy to maintain. All modules are required to be charged and unplugged. The system program can be upgraded through SD memory card, backed up, and the backplane is designed with anti- Mixed sales to avoid plug the wrong module, unique terminal design, and provide pre-wired system. Because the water industry automation professionals are relatively scarce, most technicians mainly engaged in process maintenance, so I hope the automation system is stable and reliable, even if the fault can be simple operation can quickly restore the system to minimize the continuous water supply Or sewage treatment. The trend of typical automation products Monitoring software With the widespread use of automation and control in wastewater treatment, monitoring software has also seen rapid growth. Central monitoring system has become the daily monitoring of sewage works, operation management and maintenance center. Currently in the domestic market share of sewage treatment monitoring configuration software are GEFanuc iFix, Wonderware Intou Office Partition Stand,Office Divider Round Base,Office Partition Base,Office Screen Mobile Feet,Office Divider Support Stand,Office Divider Mobile Feet MGX Metalworks Co., Ltd. , https://www.metal-mgx.com