International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 03 | March -2017
p-ISSN: 2395-0072
www.irjet.net
Review on Boiler Control Automation for Sugar Industries Sayyad Rifat Arbaaz1, Prof. W.V.Patil2, Mr. Sunil Panchal3 Student GHRCE, Nagpur, India GHRCE, Nagpur, India 3Director of Sunlax System & Technologies Pvt. Ltd. Mumbai, India 1
2Professor,
---------------------------------------------------------------------***--------------------------------------------------------------------1. Introduction
Abstract: Controlling boiler is at very typical operation to
do, so the automatic controls are setup in steam turbines system within the boilers in power plants. It principally focuses on dominant the speed of the rotary engine by mounting a pulse encoder on the rotary engine shaft. So the boiler parameters within the boiler are perpetually monitored and therefore the steam is generated according to the necessity. The automation will be simply done by PID controller (SCADA). The rotary engine speed will be controlled and monitored. The SCADA is employed to observe the system, PLC (Programmable Logic Controller) is additionally used for the internal storage of instruction for the implementing operation like arithmetic, counting, timing, sequencing and logic to control through digital or analog input/output modules varied styles of machines processes. The water level within the steam drum is maintained by a three part controller. The feed water into the boiler is regulated by the steam flow whereas corrected for abrupt changes in water level. The steam drum diameter incorporates a vital impact on the management. The pressure management the combustion rate by alternating the speed of the fuel feeders. At constant time quantitative relation by adjusting the air provide by the FD fan. it's common observe to watch the oxygen levels within the fuel gas and trim the air to fuel ratio when necessary. The furnace pressure is controlled by alternating the speed of the ID fan. Each a positive and a negative pressure cut back boiler potency. Ideally the pressure ought to be just under gas pressure. In this project, I have been gotten a chance to work with the skilled team of Sunlax Systems and Technologies Pvt. Ltd. Mumbai that provides solutions for industrial automation. Its experience within the field of automation, and know how are setting the standards and its accountable development is anchored during a method of continuous improvement. Sunlax could be a sturdy and vivacious business unit serving the process industries, that embrace water and sewer water applications, Electrical, Cement plant automation, Refining, Oil and gas, Sugar business, Boiler automation, pharmaceutical etc.
There has been tremendous increased in the demand of automated machine in industrial sector of power plants and with the greater efficiency and high quality. Continuous monitoring and frequent inspection has to done in power plants. There are possibilities of occurrence of errors while measuring. As microcontroller lack some features and also various stages involved with the human workers. That is what this explains the need of the automation in the industries. The boiler is the most crucial part of the power plant and to increase the efficiency of automation the precise efforts is been taken. Sugar plants are totally based on boiler system. The very critical operation in any boiler system is to control the level of the water in the drum of the boiler. Nowadays, modern techniques are being used in the industries in place of the conventional techniques. The boiler systems which are multipurpose and which produce the by products such as Heat, Steam and Chemical Gasses etc. are installed in the sugar industry. In many industries the steam generated by the plant instead of going to waste it is used for the generation of electricity generation. Various new methods of controlling the boiler system are installed so that the system works finely.Fig.1 below is the basic structure of boiler. The greater source as input to the sugarcane plant are fuel which is easily available, feed water and the air. The main output of the system is the steam pressure, steam temperature and the flue gasses electrical power and some of the heat loss. Boilers do have much strength which make them the greater feature of the system. They are durable have long life and can with stand with the climatic changes in surroundings, they can achieve the efficiency up to 95% or can go even further. They provide the effective method of heating and in case of system which is based on the steam may require little pumping or no pumping energy. 2. Boiler system
Key words: boiler automation, ControlLogix, ControlNet,
Flex I/Os, DCS based boiler automation, advanced boiler automation, advanced boiler control.
Š 2017, IRJET
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Impact Factor value: 5.181
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The race for better energy efficiency, lower environment load and minimized use of raw materials is on at every production plants. Every Boiler is looking for new ways to boost performance. The answer often lies in advanced automation solution that provides a multitude of tools for many needs.
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