pllzzzzzzzzzzzzzzzzzz ....etc

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DESIGN OF BOILER STACK
ABSTRACT
Chimney, which form the last component of a system using a flue gas such as feoiler, IC engines, play a vital role in maintaining efficiency, draft, etc, of a system and also in minimizing the atmospheric pollution.
The boiler plant of HOCL had used LSHS (low Sulphur heavy stock) as a fuel. Recently they changed the fuel to LSFO (low Sulphur furnace oil). As a combined effect of increased corrosion rate and natural calamities the stack had undergone failure. As per the Kerala State Polluti ....etc

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sir
I am b.tech final year student. I am willing to do project on boiler automation and control using LABview.
so i kindly request you to provide some suggestion and material regarding this project. ....etc

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hello..i am a final year student doing my project work in a thermal power plant...can i get some help on d topic like a project report and seminar ppt. ....etc

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PURGE PERMISSIVES ( 15 Nos.)


LOTV AND HOTV CLOSE
ALL LONV AND ALL HONV CLOSE
DRUM LEVEL NOT HIGH (<125)AND NOT LOW( <-125)
NO BOILER TRIP CONDITION PRESENT
ALL SCANNERS SHOWS NO FLAME
AIR FLOW LESS THAN 40 %
AUX. AIR DAMPER MODULATED
WIND BOX TO FURNACE DO NOT VERY HIGH
ALL PA FANS OFF
ALL HAG CLOSE
ALL MILL AND ALL FEEDERS OFF
....etc

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Components
The system comprises a Transmitter, converter module, float chamber, a feedline modulating control valve and an electronic microprocessor based PID/FUZZY controller.

Operation
A positive change of water level in the boiler alters the level transmitter inductance value of coil causing an imbalance in the system. This signal is transmitted through the electronic control box and connected to PID controller. Then the microprocessor-based PID level controller transmitted an electr ....etc

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Definition

Instrumentation and controls in a boiler plant encompass an enormous range of equipment from simple industrial plant to the complex in the large utility station.

The boiler control system is the means by which the balance of energy & mass into and out of the boiler are achieved. Inputs are fuel, combustion air, atomizing air or steam &feed water. Of these, fuel is the major energy input. Combustion air is the major mass input, outputs are steam, flue gas, blowdown, radiation & soot blowing.

CONTROL LOOPS

Boiler control s ....etc

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Control of Boiler Operation using PLC – SCADA
Abstract––This paper outlines the various stages of operation involved in the conversion of a manually operated boiler towards a fully automated boiler. Over the years the demand for high quality, greater efficiency and automated machines has increased in this globalised world. The initial phase of the paper focuses on passing the inputs to the boiler at a required temperature, so as to constantly maintain a particular temperature in the boiler. The Air preheater and Eco ....etc

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ABSTRACT
Instrumentation and controls in a boiler plant encompass an enormous range of equipment from simple in the small industrial plant to the complex in the large utility station. Boiler Instrumentation Control is the control over the industrial boilers. It consists of several control loops to control various systems related to a boiler. The main control of boilers include combination control and feedwater control. To do the various operations in control different hardware methods are used. ....etc

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this project is to reduce the temperature in boiler and controlling through fan by cooling. This project not only used in boiler it is also used for many application. It is also used for many industry application and reduce the cost in industry sides by reducing labour charges and many equpment damage cost....etc ....etc

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