Hello members
I want to arise aquestion about the age of boiler tubes .it depend on the operation houers or on the testing report .we have boiler works more than 100,000, houers .What is the advice to make complete retubing or according to the testing report .the boiler pressure 127kg/cm^2 &the...
Hello members
Question arise about the horizantal vibration in the foundation of the FDF (force draft fan) .the boiler have two FDF one left and the other right .There is acable chanal between them in that chanal we have upnormal horizantal vibration .the fans was balance as per specifcation ...
Hello members
I want some advice how to caculate the operation pressure of boiler .my task is that we have boiler design pressure is(257kg/cm^2)and operation pressure is (140kg/cm^2) after 25 year of operation we get areduction in thickness from 6mm to 4mm in the tubes .we have no time for...
Hello members
we have chemical cleaning we need to close the down commer inside the drum (size 40cm )can we use simple tack weld to support the closer .please advice us .
thank you very much and god bless.
jamil a alshahed nama
hartha power station
Hello members
We have crack in steam drum baffle can any one give us advice how to repair that crack.
thank you very much and god bless.
jamil a alshahed nama
hartha power station
Hello members
we have conflict with the fabricater of the dish end .about heat treatment .The dish is fabricated by cold forming according to (UCS-79) detail (d).the dish must be heat treated if the extreme fiber elongation is more than 5%.the fabricater give us calculation according to the...
hello member
The main fuel in our boilers is crude oil .and that is the main probleam of burner closing .The crude oil deposite on the tip of the burner as in the attach and that cause burner spray tips to close .
the burner pressure is 20kg/cm^2 and the automizing steam pressure is 7kg/cm^2...
hello member
we are constructed new dearator the material choose is SA 516 GR 70 the thickness of the dish end 25mm and the shell is 16 mm .the question is that.
1-the welding of the dish end need to be post weld heat treatment for that thickness .
2-the reduction of thickness in the dish end...
hello member
in our boilers we use crude oil firing as the main fuel and that result in many and hard depoist on the side wall of the boiler .the chemical cleaning we use is not efficant for removing the depoist so we use sand blast it is good and efficant ..the question is that-- is the sand...
hello member
the purity of the hydrogen used for cooling the 200mw generator is reduce .we supply the generator with 99.9% purity hydrogen .i want to ask the expert and need their coment about this point .
1-the sealing oil have effect on the purity
2-the supply piping cleaness and type
3-the...
HELLO
IN NAJYBIA POWER STATION UNIT NO/4 CAPACITY 100MW .THE UNIT WAS IN OPERATION AND SUDDENLY SHUTTDOWN BECAUSE OF NET FAILURE AND ALSO THEY LOST THE EMERGENCY POWER .
THE DEARATOR WHICH IS OPERATED AT PRESSURE OF 5KG/CM^2 THE THICKNESS OF THE DEARATOR AND STORGE TANK IS 12.5 MM THE...
HELLO
I AM BOILER ENGINER IN HARTH POWER STATION WE HAVE TWO BOILER CAPACITY 200MW THESE BOILER ARE POLUTED FROM CONDENSER LEAKAGE AND OPERATED AT HIGHT CODUCTIVITY 80 MC AND LOW PH 6.8 THE POLUTION CONTINUE FOR 18 HOUR AFTER THAT WE DO SOME TREATMENT BLOW DOWN AND PHOSPHATE INJECTION IN DRUM...
