30 replies to this topic

[asade abiodun]

Hi All,

I am a process engineer. i want to perform detail sizing of an horizontal separator and vessel capacity check.

Am having difficulty in setting the distance of the level alarm switches (LZALL, LAL, NLL, LAH, LZAHH)
Also, i need to calculate the area and volume occupied by each level controls and calculate their respective residence time for responce.

I would appreciate tips and methods to achieve this results

Regards

[Art Montemayor]

Asade:

Yours is a very common and important problem that needs to be resolved accurately and with flexibility.

It is one of the reasons I assembled an Excel Workbook called Vessel Volumes that I have distributed to many engineers all over this globe. If you tell me your email address in Lagos, your company's name, and your job title, I'll email you a compressed copy that will do all that you are describing.

I'll await your prompt reply.

Art Montemayor

[asade abiodun]

Thanks Art Montemayor,

These are the information you required:

Email address: abiodun.a@atlasengineering-ng.com
Company: Atlas International Engineering Services
Job Title: Junior Process Engineer

Hope to receive your reply soon.

[Art Montemayor]

Asade:

A quick reply deserves a quick response.

You will find a copy of my workbook in your email in-box.

I hope you find it helpful and that it resolves your immediate problems.

Art Montemayor

[Radionise]

Asade,

If your company has access to Shell DEP, then I'd suggest performing the calcs based on the guidelines in the Shell DEP. There are two guidelines, one for two phase separator, and one for three phase. There are examples behind each guideline as well.

Good luck.

[asade abiodun]

Am very grateful for your responce.

i look through the sheet, i found that the calculations are in imperial units.
Can i use the fomulas for metric units without alteration because i work in metric units.
hope to receive you responce soon.

Thanks once again!
Regards

[Art Montemayor]

Asade:

The Workbook was prepared here in Texas for use in Texas. However, it can be used anywhere. The equations, the derivations, and all references and background are included in the workbook so that a complete workbook can be done in any language or engineering units by simply translating the work. I have not done this because it would have no use here in Texas since we have no need for working in metric units - particularly in the International System (Systeme Internacionale, in French). If we ever have need for the metric system here in Texas in the future, I will probably start working in that system.

In the meantime, what you can do is a variety of things:

1) You can rewrite the workbook using metric units.
2) You can insert another spreadsheet into the workbook and use it to form a conversion table on the results the calculations give you. The new worksheet would be linked to the Texas units.
3) You can unlock my spreadsheets using any one of a bunch of free programs you can download from the Web and change the units used in my equations - all of which are easily accessed once unlocked.
4) You can list all your answers and convert them to metric units at the end of the calculations.
5) There are other options........

For many years, after I graduated from University, I worked outside the USA and only used the metric system exclusively - after growing up using only the USA/Texas system of units. I had to do similar conversions then, except that I didn't have a computer or even a hand-held calculator. All I had was a simple slide rule. Nevertheless, I designed, built, and operated industrial plants this way and had no trouble doing it. That's why I think you can easily compute your answer using the tools of today.

Have a good day.

[Dtan76]

Ark

Is me here, am interest to have a copy as well. Do send to me at cktan@dialogasia.com

regards

[owais]

Hi asade

I to wants a copy of that book.
If you dont mind. Sent it to me at mohammed_owaism@yahoo.com

[Petroman]

Hi,

I suggest for anyone sizing a two phase or three phase horizontal or vertical separator to go through a very nice paper by W.Y. Svrcek & W.D. Monnery. One of these gentlemen happen to be my teacher too...

Petroman

[chakraborty]

Dear Art Montemayor,

Am currently trying to rate an existing Rich Amine (MDEA) degasser drum (horizontal) for increased sour gas/lean amine flow and would love to have a copy of your spreadsheet.

My mailing address: chakrabortya@iocl.co.in

Thanks in advance.

[Florentina]

Please send to me this excell sheet. Thank you.
Florentina

[shabanimr]

hi

pls send me this package to shabanimr@gmail.com too.

shabani

Hi,

May I have a copy as well?

Thanks,

email: johnvillada_1@hotmail.com

[Himanshu Parikh]

Dear Art Montmeyer,

i am also a process engineer and for one of our plant i need this excel calculation sheet. i shall be greatfull if you send it to me at my email address himanshu_parikh@yahoo.com

[osuoha]

Art,

Please send a copy of the workbook to my email address - obioma.osuoha@mcbertf.com.

I appreciate, thank you very much

[bourd0]

Hi,

May I have a copy as well?

Thanks,

email djamel.bourkaib@jvgas.com

[venkyravula]

HI Art Montemayor,

am a process engineer working on separators n GDU can u please send me a copy of that...

ravulas60@gmail.com this is my email id..

Thankyou

[engineerdeva]

HI Art Montemayor,

I am a process engineer , can u please send me a copy of that...
engineerdevas@gmail.com this is my email id..

million Thankyou

Hi Art Montemayor,

I'am mechanical engineer, mind sharing a copy to me ? my email: gent_y@hotmail.com

Many Thanks.

Tan

Edited by bytan78, 06 March 2012 - 03:00 PM.

[Robert Montoya]

Please send to me this excell sheet to robertmontoyar@gmail.com

[oguerra52]

Dear Art Montmeyer,
I am also a Mechanical engineer and I need this excel calculation sheet. i shall be greatfull if you send it to me at my email address oguerra@mexichem.com

Very trully

Oswaldo Guerra

[SUPRIYAPRA]

I am a chemical engineer and please send me to daas2005@yahoo.com
regards
Dhiren Shah

[knapee]

Dear asade

The LZALL, LAL, NLL, LAH, LZAHH setting up may be very easy for some engineer, but
I believe this is confused other engineer who don't get a "right key" in the topic. (I heard this lot from the professor in my chemical engineering graduate course).

Base on my poor understanding on this, the bottom connected level control instrument, LLL must be around 40 mm above the lower connected nozzle.
However, the top connected instrument level control, the LLL can be 15 mm above the lower connected nozzle.

About LC lower connection can be placed on the BTL for vertical vessel.
For horizontal vessel, the lower LC connection must a distance above the BTL(3ft or 4ft depend on the vessel diameter, but I don’t quite know the reason and detail).

Please give me a corrected and detail comment.

Thank you very much.

Good day!

Best regards,

[Imtinan Mohsin_1656]

Dear Art,
Please send me this spread sheet at following address:
imtinan_mohsin@yahoo.com

I am very grateful to you.

imtinan