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ELECTRICAL PLANT BOILER TEMPERATURE AND WATER LEVEL MONITOR AND CONTROL Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: [email protected] , Ph: 9885112363 /44433434 1 AIM: The main aim of the project is to monitor and control the condition of thermal plant boiler, temperature and water level. PURPOSE: The purpose of the project is to monitor and control the temperature and water level of boiler. METHODOLOGY: BLOCK DIAGRAM: POWER SUPPLY LCD DISPLAY Electrode 1 Micro ADC TEMPERATURE SENSOR Controller Electrode 2 BUZZER Tank Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: [email protected] , Ph: 9885112363 /44433434 2 POWER SUPPLY: Step Down Transformer Bridge Rectifier Filter Circuit Regulator section DESCRIPTION: A boiler system is an integral component of a process plant, and control of the water level and temperature of the water in the drum of the boiler system is a critical operational consideration. The major dynamics of boiler water level includes nonlinearities, non-minimum phase behavior, instabilities, and time delay and load disturbances. A low water level in the drum will cause loss of flow of water to tubes and causes its overheating leading to subsequent failure, A high water level will cause water to be carried over into the turbines and causing it failure due to thermal stress problem. Due to interaction of the steam flow and changing pressure in the drum, the water level can be difficult to control and typically requires sophisticated control techniques. Therefore accurate water level measurement must be made and temperature of the water in the drum. The objective of this project is to provide a combination of manual supervision and partial automation and is similar to manual set-up in most respects but it reduces the labor involved in terms of Irrigation design is simple, easy to install, microcontroller-based circuit to monitor the values of water level and temperature of the thermal plant boiler that are continuously modified and controlled. Here we are using ADC to convert the analog values of temperature into digital and these values are given to microcontroller as input and it will be displayed on LCD. But by using this scenario we can have the knowledge of the liquid present in the drum and there is an indication and also if there is an any overflow of liquid is also indicated using buzzer, with the help of microcontroller. The status of the project is displayed on LCD. Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: [email protected] , Ph: 9885112363 /44433434 3 HARDWARE USED: Microcontroller LCD display Buzzer Power supply Water Level Sensor temperature Sensor ADC SOFTWARE USED: Keil Embedded ‘C’ Express PCB Express schematic ISP APPLICATIONS: In industries ,houses etc., RESULT: Hence, by using this project we can monitor and record the values of the temperature and water level in the boiler. . Head office: 2nd floor, Solitaire plaza, beside Image Hospital, Ameerpet, Hyderabad www.kresttechnology.com, E-Mail: [email protected] , Ph: 9885112363 /44433434 4