In terms of the management of rural sewage treatment plants, in the early days, it was mainly carried out by technical personnel for on-site testing and debugging. Due to the large number of treatment structures in the treatment plant, there are many complex project indicators that need to be tested in real time, such as pH value of inlet and outlet water, inlet flow rate, dissolved oxygen content in the aeration tank, etc. If these indicators need to be tested in real time one by one, it will undoubtedly consume a lot of manpower and material resources. With the rapid development of industrialization in our country, automatic control systems have gradually been applied to the monitoring process of sewage treatment processes, and have achieved considerable results, saving both human resources and energy, with broad development prospects. In recent years, various regions have successively utilized foreign investment to build a number of rural sewage treatment plants, introducing advanced processes and equipment into China. While improving the technical level of process equipment, the control system and management level have also been greatly improved. The backward situation of using manual or simple electrical control for sewage treatment in the past has ended.

The components of the automation control system for rural sewage treatment plants are:

Central control room monitoring equipment, programmable logic controller (PLC) section, detection instrument section, lightning protection section, and closed-circuit monitoring section. The purpose is to enable the factory to timely understand and grasp the operating conditions, changes and sizes of process parameters in the sewage treatment process, optimize the operation of various process flows, ensure effluent quality, reduce treatment costs, save energy consumption, improve operational management level, and enable the sewage treatment plant to operate normally and stably for a long time, achieving the best benefits.

Yidong Electric's rural water treatment PLC cabinet can be integrated into industrial production automation control sites of various sizes and scales. It can be applied in metallurgical industry, power engineering, paper industry, chemical plants, environmental protection, sewage treatment and other fields, involving very common areas. The Shanghai water treatment PLC comprehensive control cabinet has protective functions such as load, short circuit fault, and phase failure maintenance. It has a compact structure, smooth operation, and complete functions. The composition can be carried out according to the size of the specific control gauge, which can not only complete the automatic control system of a single cabinet, but also maintain multiple cabinets to form a distribution center (DSC) control system through power line communication or industrial production computer interface Internet.

Application standards:

Waterproof rating: IP20 or IP41

Power supply system switch power supply: DC 24V, 50HZ, two-phase communication AC 220V, (-10%, 15%)

Natural environment standard: The working temperature should be between 0 ℃ and 55 ℃, and direct natural light should be avoided immediately; The air humidity of the gas should be less than 85% (without essence). Avoid continuous vibration or frequent fluctuations with a vibration frequency of 10-55HZ. Avoid obvious sources of vibration and prevent corrosive and flammable vapors.