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

while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know

2 Answers   JAL International,

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Can we measure pressure using differential pressure transmitter? If yes then how?

5 Answers   Reliance,

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what the differant between Wet Leg /Dry Leg

2 Answers   Sepam Group,

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What are primary elements of measuring pressure?

0 Answers  

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how to calibrate the interface leveltrol

1 Answers   Lanco,

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What is furnace draft control?

0 Answers  

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Decibel.

0 Answers   CCIE,

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why we are not using the turbine flow meter in the steam service?

0 Answers   Jaypee,

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Please why do we use 4-20ma in instrumentation engineering

1 Answers  

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how radio frequency level probes works with its controller ? what is its principle ? pls give me brief explanation?

0 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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what is diffrence between analog card and digital card in plc.how analog card work,Please explain in detail.Please send it on abhi_vyas@sify.com

6 Answers  

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