Design And Research Of Water Quality Online Monitoring And Sampling Automatic Control System

The main task of ecological environment management in our country lies in the management of water environment.The main obstacle to water environment management lies in the backwardness of water quality monitoring network.The traditional water quality monitoring mainly adopts the methods of on-site artificial sampling and laboratory instrument analysis.This method is not only inefficient,sampling error,but also can not reflect the changes in water quality.With the development of testing equipment and detection technology,water quality monitoring gradually to the intelligent,automation and network-oriented direction.China’s water quality monitoring equipment,although the rapid development,but there are also some problems,in order to meet the current water quality monitoring indicators continue to increase the characteristics and to prevent monitoring equipment on the secondary pollution of the environment,the future may be the development of biological online monitoring technology.This paper designs a water quality on-line monitoring system,first of all on-line monitoring system for the overall design.The pH,turbidity,ammonia nitrogen and COD monitoring indexes were determined,and the type of the instrument was determined.The water quality was collected,processed and analyzed by the automatic control system,and the results were transmitted to the water quality center station server via GPRS wireless transmission.The staff can be real-time monitoring of access to water pollution.The water quality monitoring system is designed to monitor the water quality and its changes in the target waters continuously,accurately and accurately.The central control room can obtain the real-time monitoring data of each sub-station at any time and can input the central database.