We have received a qoutation of CO2 compressor with two options for casing
A- Cast A216ACB with SS lining
B- Forged Steel
I have two questions
1- what should we chose if the two options are with same price and why?
2- regarding the first option, what is the suitable ss lining thickness. We...
I met with a project manager today who is responsible to build 15 new boilers. He informed me that I have per each boiler 17,000 joints to conduct various NDT tests. I want to make a rough estimation (+/- 10%) of NDT requirements. I have already received rates per day per each test from 6 NDT...
desertfox , unclesyd , CoryPad and, swall
Thank you very much for the information you gave me. We were struggling to find any thing guide us to do the shot peening.
Regards
SHARQ
Dears, good day
I am looking for any information that can explain to me what is Shot Peening and what is used for. I appreciate if there are any web references and international standards you suggest for me.
Regards
SHARQ
We are going to conduct a pneumatic test for several pipes that contains different sizes and lengths with different pressure tests.I would like to know what are the radius of risk are for each pipe test?. As we are going evacuate the site at night. Please inform me with the code or reference...
Dears
in order to view the column pic. I have flickered it and upload it in the following link
http://www.flickr.com/photos/13946217@N02/1417956239/
I hope we can now start analysis in with a visual ideas along with ideas.
unclesyd and ash9144
can you elaborate more about the bump phenomena and how do you think the scenario went on ?
We have collected 21 causes but frankly we did not get into this bump at all. I am now re drawing the scenario and found your saying is a strong possible cause. I will go and see...
sirteb
the colimn is 31 mtr height, 4.4 dia and contains inside it two sectiond of packings (upper and lower). each section is 9 mtr height. If you want, i can send u a drawing. the problem of this site, u can not insert drawings to explain more
Regards
We are suspecting about the line up of the ejectors were not as per procedures which lead to hammering inside the column.
Our concerns are the followingh
1- What caused the delta P to raise ? and what does it mean
2- Why the rashig rings found crushed and deformed.
3- Why is the reboiler got...
We have a column used for CO2 Stripping. it contains two packing layesr inside. Each packing is 9 mtr height. The packing is Rashig Rings IMTP # 40. The event happened are as follows
1- Plant was under shutdown
2- As per logic, CO2 unit circulation was kept running, Ejector steam isolated and...
EdStainless:
We do chemical cleaning for the refrigerator every 4 years. Because we do eddy current test on it. The tubes can not be subjected to eddy current test unless it is cleaned well. The chemical cleaning is conducted by using some HCL 4% concentration. The result of the chemical...
We use a refrigerator H/E to cool seawater before we return it back to the sea. We did not ?open this refrigerator for more than 6 years. We opened the refrigerator and found ?very hard scale in the tubes. The tubes are made of monel. I have a question with three ?parts
?1-? The scale is hard...
There are two reason may are the cause of hammering:
1- Relief valve (Setting, size, etc..)
2- Relief liquid (220 Deg c) is injected to a much colder system line. The distance of the outlet pipe to the main line is 25m.
What we have noticed is the shaking of the outlet pipeline when PSV is...
Hi PUMPDESIGNER
It is not vented, The service is very toxic (Contains Ethylene Oxide). The discharge of PSV connected to a 6" pipe that transfer the reliefed product to a bigger size line.
Regards
SHARQ
