A Small Scale Automatic Water System For Boiler

Mohamad Ezwan, Yusoff (2012) A Small Scale Automatic Water System For Boiler. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Currently, for electrical generation purposes, the process of filling water into the boiler tank is done manually. Hence, the operator will manually turn on or off the water pump according to the water level meter. The disadvantage of this operation is that if the operator is not alert to the level of the water the side effect will occur. Thus, the empty boiler tank can cause an explosion of the boiler tank due to high pressured produced by the overheating process. Besides, to change the existing boiler into a new one will result in time consuming as well as the cost. Thus, a small scale boiler with automatic water system is designed in order to increase the efficiency of the existing boiler system and reduce human error. Therefore, an external automatic water level control is developed to control the flowing process of water into the boiler. Review on the theory of boiler and water level control system were done in order to get the theoritical about the control circuit, component in the circuit, sensor, boiler type,operation and design. The development of the project was divided into software and hardware development. Circuit for the water level control were design using porteus software, PIC 16F877A were used as the microcontroller. The microcontroller than been program using Micro C programming software. Mechanical float switch and proximity capacitive sensor are selected as the input of the system. This two sensor will trigger 5V when it detects the low or high level of the water in the boiler tank, from the voltage that been triggered the microcontroller will turn on or off the pup depending on the level of the water. For mechanical software implementation the drawing of the boiler was designed using CATIA software. From the electrical and mechanical design the the hardware being fabricated. The both part than being integrated together. Troubleshoot work is done in order to detect the problem that occur from the integrating process

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