Explain working of steam drum, Mechanical Engineering

Assignment Help:

Q.Explain working of Steam Drum?

Total solids concentration in the steam at steam manifold outlet shall not exceed 0.5 ppm during steady operation at MCR.  Fabricator must indicate the maximum acceptable total dissolved solids concentration in the boiler water when operating normal drum water level.

The normal water operating level in the steam drum shall be not less than 25 mm (1") below the drum center line.  In the drum, the surface area of the normal operating water level shall be sized based on 100% MCR, such that the maximum surface release rate shall not exceed 3,900 kg/m2h (800 lb/ft2h).

Water hold-up between fabricator's stated normal water level and top downcomer level shall be sufficient to enable operating at 100% MCR for at least five minutes in the event of loss of boiler feed water supply.  This resident time design shall include ramping rate of 20% MCR per minute.

The water surge volume in the steam drum shall be adequate to accommodate the resultant swell from increase in load of 20% of MCR per minute without actuating the low water level cut-off.


Related Discussions:- Explain working of steam drum

Show the welding processes and restrictions, Q. Show the Welding Processes ...

Q. Show the Welding Processes and Restrictions? Welding may be performed manually, semi-automatically and or automatically using any process or combination of processes accepte

Calculate drilling speed and machining time, Calculate Drilling Speed and M...

Calculate Drilling Speed and Machining Time Calculate the drilling speed if a 50 mm dia hole of 60 mm depth is to be drilled in a M.S. component. The feed rate is 0.2652 and M

Describe soldering, Soldering Soldering is defined as a metal joining...

Soldering Soldering is defined as a metal joining process wherein coalescence is produced by heating the surfaces to be joined to a suitable temperature and melting the fille

Physics, State and explain parallelogram law of vectors

State and explain parallelogram law of vectors

Welder performance qualifications, WELDER PERFORMANCE QUALIFICATIONS ...

WELDER PERFORMANCE QUALIFICATIONS Requirement of Welder Qualification In performance qualification, the basic attempt is to establish the ability of the welder to dep

Thermal stress, how did the formula derived smax = Ed1 a ?T/d 2

how did the formula derived smax = Ed1 a ?T/d 2

Illustrate reversible-irreversible and quasi-static process, (a) Illustrate...

(a) Illustrate reversible, irreversible and Quasi-static process with examples. (b) What do you mean by terms change of state, path, process, property, cycle. (c) Distinguish

Find out nature of position vector, Find out nature of position vector: ...

Find out nature of position vector: The position vector of a specific at any instant t with respect to the axes x, y and z is specified by r (t ) = (4 t 2   + 5) i¯ + (3 t

Shells, SHELLS: In the topic (SHELLS) , we have seen the assumptions ...

SHELLS: In the topic (SHELLS) , we have seen the assumptions made in the analysis of thin shells. For a spherical shell, which is symmetrical in all of the directions, the ho

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd