Answer / abdul hameed c

drum level control system, Master pressure control system,
de aerator level control system r imp closed loops

Answer / s. kanniyappan

The following are the closed loops used in boiler...
1) Three Element Drum Level Control
2) Super Heater Steam Temperature Control
3) Deaerator Level Control
4) Deaerator Pressure Control
5) Soot Blower Pressure Control
6) Soot Blower Temperature Control

Answer / sridhar

In various types of boiler having differnt types of cotrol
loops

1.Steam drum level control loops(3E and 1E) with
compensated drum level
2.Main steam temp control loops
3.O2 trimming control loops
4.Furnace draft control loops
5.Fuel feeding + wind box air control loops
6.dearator pressure and level control loops
7.Soot blower control loops

what is vfd(variable frequency drive)?type of vfd.

2 Answers  

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What different types of problems do occur while doing the loop checking? and please explain in detail or mail me at kadam.aniket143@gmail.com

1 Answers   Operational Energy Group, Process Control Technologies,

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how to calculate control valve bonnet size?? or how to select its material?

0 Answers   Jacobs,

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How many interlocks at turbine? Plz explain briefly

0 Answers   MRPL Mangalore Refinery and Petrochemicals Limited,

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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what are the steps to follow force a particular input or out put from ics triplex esd system?

1 Answers  

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6 Answers   Chevron,

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how to calibrate transmitter online (in running plant)please explain correct procedure

4 Answers   Sabic,

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How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???

1 Answers  

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How is PH sensor works ?

0 Answers  

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What is eddy current? Describe the operating principle of proximity probe.

0 Answers  

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