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Perforated Pipe Distributor Sizing Calculations

Posted by ankur2061 in Ankur's_Chemical_Engg_Blog, in Technical 16 May 2013 - * * * * * · 426 views
perforated, pipe, distributor and 4 more...

Perforated Pipe Distributor Sizing Calculations Perforated Pipe Distributors have been discussed many times on “Cheresources”. How to design a perforated pipe distributor also known as a sparger has been a frequent question on the forum. Some general replies without providing in-depth methodology of sizing a distributor can be seen in the queries raised.

Perry’s Handbook (8th  Editio...

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Chexpress - May 14, 2013

Posted by ChristaS in ChExpress Blog, in ChExpress Blog 14 May 2013 - - - - - - · 367 views
exxonmobil, qatar petroleum and 6 more...

North America
Natural gas
ExxonMobil and Qatar Petroleum have agreed to ship liquefied natural gas (LNG) to Brittan from their proposed export plant in the United States. Under the deal, the companies would send up to 15.6 million tons of LNG each year to their South Hook terminal in Wales from the Golden Pass plant in Texas. The move is pending U.S. go...

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Mobile Cheresources.com

Posted by Chris Haslego in Community Admin Blog, in Community Updates 28 September 2012 - - - - - - · 1,974 views
ipad, iphone, android and 2 more...

Mobile Cheresources.com So look, most of us are engineers.  We're still trying to get our hands around the mobile revolution right?  Maybe for some people, it's been easy to leave our desktop or laptop computer behind...but not for us.  There's no question that it will be a long time before most engineers can leave their "real" computers behind, and I realize...

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Tank Blanketing Valves

Posted by Ferz99 in Tank Blanketing Valves, in Technical 10 September 2012 - - - - - - · 1,766 views
tank blanketing and 1 more...

Tank Blanketing Valves The Tank Blanketing Technique Tank blanketing, also known to as tank padding, is the procedure of smearing a gas to the empty space in a storage tank or container (the term storage container refers to any container that is used to store products, regardless of its size). This techinique is used for a variety of reasons and typically involves using a buffer...

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What Is A Steam Trap?

Posted by Zeeshan Amin in Zeeshan Amin's Blog, in Engineering 17 June 2012 - - - - - - · 2,732 views
steam, trap, definition

What Is A Steam Trap? A steam trap is an essential element of a steam distribution piping system. As steam flows through a pipe, it cools off due to heat losses and converts into hot water; this hot water is called condensate. The function of a steam trap is to bleed off hot water so that only steam remains in the system. In addition to condensate removal, a steam trap also...

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Dust Hazard Assessment

Posted by Mark Roote in Mark Roote's Blog, in volume, length to diameter, dust accumulation 07 October 2011 - - - - - - · 1,048 views
cyclone, baghouse, nfpa, osha and 1 more...

Anyone working in a facility that handles dust (which is essentially every facility) is trying to get ready for the crackdown from OSHA and NFPA. While OSHA and NFPA are still trying to figure out the best way to implement new standards, what those standards will be and how to enforce the standards, NFPA and OSHA have come out with some temporary...

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A Different View Of Harrell's Colebrook-White Solution

Posted by Harrell in Harrell's Blog, in Technical 01 October 2011 - - - - - - · 965 views
solution, white, view, different and 1 more...

For some reason, most people still do not understand how my Colebrook-White solution works.

It has been tested, and re-tested over and over, and always gets the right answers if you don't make
a weird error.

This may help those who are questioning "Why does it work?"

In the Wikipedia you can read about the Lambert W function. Here's a...

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Celebrities Outside The Engineering And Science Field With Engineering And Science Degrees

Posted by ankur2061 in Ankur's_Chemical_Engg_Blog, 04 May 2013 - - - - - - · 503 views
celebrity, engineers

Celebrities Outside The Engineering And Science Field With Engineering And Science Degrees For a change this is not a technical entry. It is more so for the sake of general knowledge and fun. There are quite a few celebrities who graduated as engineers but never chose to work in the engineering field. They chose the cinematic arts, music, politics and other diverse fields to excel and make a name for themself. Since this is a chemical engineeri...

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Chexpress - April 30, 2013

Posted by ChristaS in ChExpress Blog, 30 April 2013 - * * * * * · 1,062 views
sabic, methanex corporation and 8 more...

North America
Methanol plant move
Methanex Corporation is relocating its second one million ton/year methanol plant from its Chile site to Geismar, Louisiana. The plant is expected to be operational by early 2016 and has an estimated total cost of approximately $550 million.

Fractionation project
UOP LLC has been selected by Crosstex Processing Servic...

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Archiving And Searching Updates

Posted by Chris Haslego in Community Admin Blog, 23 July 2012 - - - - - - · 1,468 views
archive, archiving, search and 2 more...

Archiving And Searching Updates As our community continues to grow, we look for new ways to manage the tremendous amount of information at the site.  A recent change that we've made is to archive forum topics that are beyond 18 months old.

As posts are placed into "Archive" status, they will be at the same URL address, but they will not be able to receive new replies. ...

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What Is A Piping System

Posted by Zeeshan Amin in Zeeshan Amin's Blog, 28 May 2012 - - - - - - · 2,189 views
piping, system

What Is A Piping System Piping System

A piping system is a network of pipes, fittings and valves intended to perform a specific job i.e. to carry or transfer fluids from one equipment to another.  The plumbing network supplying water at your home is a common example of a piping system. Other more rigorous examples include steam piping in a power plant, milk...

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Existing Equipment Strength Verification

Posted by Mark Roote in Mark Roote's Blog, 07 October 2011 - - - - - - · 1,204 views
steel plate, baghouse, map

Those of you that have used the spreadsheets created by "psafety" (MAP package 1, MAP package 2) may have run into some...

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Harrell's "funnel" To The Colebook-White Solution.

Posted by Harrell in Harrell's Blog, 27 September 2011 - - - - - - · 692 views
colebrook, white, solution and 1 more...

This is a PDF file with some tables and plots, to show visually how my method works. I call it a funnel, because the procedure quickly guides to maximum accuracy. You will see that after step 2, the accuracy will be amazing. I already knew the solution to the Re and Rr would give 1/sqrt(f) about 4, so I plotted initial guesses of from -4 (that is a...

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Studying Chemical Engineering In Malaysia

Posted by rowanlim in Viewpoint, 01 November 2010 - - - - - - · 4,295 views
study, malaysia, chemical and 1 more...

I wrote this entry thinking about Malaysian students coming to the end of their high school life, 17 yr old youngsters who thought "Hey chemical engineering sounds like a good field, but how do I go about it in Malaysia?" This was the question I asked myself 5 yrs ago & I hope to present my view as unbiased as possible & maybe a young...

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Screw Feeder Auger Shafts

Posted by LRS in Lifetime-Reliability Blog, 09 August 2010 - - - - - - · 1,433 views
screw, break, shaft, feeder

Analysis of a broken screw feeder shaft on a granular Copper Sulphate Bagging Hopper Feed Screw


Are your screw feeder and trough screw conveyor auger shafts snapping in half?
If you have rotating shafts breaking at the centre of the span then you quite likely have a metal...



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