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phillipwon
Associate

Join Date: Nov 2011
Posts: 34

Techniques to Meet a Required Inlet Temperature of Raw Mill and EP in Power Generation

03/26/2012 9:25 AM

Regarding power generation through waste heat recovery boilers(WHRB) in the cement plant, I have a question on what techniques can be used to meet required inlet temperature of EP and Raw mill after an AQC and a PH boiler,respectively, in case the outlet temperature of WHRB becomes lower than the required temperature. I thought about installing a bypass damper which connects boiler inlet to outlet, but I doubt if a butterfly damper can control the temperature. Thanks in advance.
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TonyS
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Engineering Fields - Electrical Engineering - New Member United Kingdom - Member - New Member Engineering Fields - Electromechanical Engineering - New Member

Join Date: Aug 2010
Location: Under the Major Oak
Posts: 3066
Good Answers: 115
#1

Re: Techniques to Meet a Required Inlet Temperature of Raw Mill and EP in Power Generation

04/16/2012 11:06 PM

Where are your priorities in this?

For optimum plant operation the WHRB is superfluous.

The raw mill takes precedence followed by optimising the precipitator temperature to ensure correct operation.

Yes you can bleed off heat between the two but rather than look at the valve type I think you need to look at the entire viability of the idea.

The recovered heat will be variable as the kiln conditions vary. Do you have a use for a somewhat unpredictable heat source?

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