Cleaning a plate and Frame Heat Exchanger
A day at work... Yeah, that's me. One of the things I do.
Added: Sep-1-2012 Occurred On: Sep-20-2012
By: Rhemis
In: Science and Technology
Tags: plate and Frame, Heat Exchanger, geothermal
Marked as: approved
Views: 1400 | Comments: 45 | Votes: 8 | Favorites: 4 | Shared: 0 | Updates: 0 | Times used in channels: 0
By: Rhemis
In: Science and Technology
Tags: plate and Frame, Heat Exchanger, geothermal
Marked as: approved
Views: 1400 | Comments: 45 | Votes: 8 | Favorites: 4 | Shared: 0 | Updates: 0 | Times used in channels: 0
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Something relaxing about watching someone else work while i sit on my ass.
Posted Sep-2-2012 Bymigs1955 (914.04) 
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Those look expensive. Cool cinematography BTW ;)
Posted Sep-2-2012 ByiNOTHINGyou (71.10) 
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that had to be the most relaxing video of work I've ever seen
Posted Sep-2-2012 ByURmomsOBGYN (525.20) 
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Very interesting Rhemis, thanks for sharing.
Posted Sep-2-2012 ByZipper10 (4156.72) 
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haah aaa thats a really nice share of what you do fella! thanks for posting it. we should all do this and see who has the most sketchy job. all serving soldiers need not apply ya fuckers or us old cunts will die of jealousy ;p
Posted Sep-2-2012 ByBillyBangcock (495.30) 
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very nice and relaxing job, I guess, you do this everyday for living
Posted Sep-2-2012 ByWonder (10.80) 
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@Wonder
Actually I have installed the devices new several times, and only cleaned them just few times as seen in the video. This particular heat exchanger is having problems of catching dirt in the cooling plates due to no filter (as designed by the engineer).
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
Change the plates for ones with deeper passages which can tolerate dirt better ... or fit a duplex filter with differential pressure alarms ... or an automatic self cleaning filter. Damn ... can't believe I'm talking "work" on LL!
Posted Sep-2-2012 ByOhforfoxache (978.78) 
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come on, you can add the surrealist music but it's just moderately more interesting than washing a car.
Posted Sep-2-2012 Byimswilson (58.00) 
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cool! you clean a radiator
Posted Sep-2-2012 Byref0nator (39.42) ref0nator View Channel Send Message
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@ref0nator so? job is a job, isn't it?
Posted Sep-2-2012 ByLiteFlite (139.30) 
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@LiteFlite
Thanks for your defense.
I do it all. That is one $4,000 "radiator" of two seen there.
As a Steamfitter, I do many things from radiant concrete floor heating in a zoo to the chill-water system used to freeze water on the ice rink for a NHL game.
Things I have done:
- Cooling system for electron microscope.
- Hydrogen cooling gas tubing, inside the center winding core of generator at a power plant
- Cooling system for the Cray computer
- Weld pipe, screw pipe, plastic f More..
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
Awesome job man. I envy u.
Posted Sep-2-2012 ByJigzy (335.58) 
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What kind of working pressures we talking about here? ~30 psi ? Not a whole lot...
Posted Sep-2-2012 ByZipperneck1321 (961.64) 
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@Zipperneck1321
You are close, just enough pressure to reach a second floor attic. This system has 40 PSI, being that there is no automatic water makeup. The extra 10 psi allows for trapped air bubbles to be automatically bled.
Posted Sep-2-2012 ByRhemis (974.38) 
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Ive done this job in a butter factory but the heat exchanger was 5 foot high and about 14 feet long took me an entire week from breaking it open to washing every single plate and then re-rubbering each plate and then putting it back together without a single leak
Posted Sep-2-2012 Bynzkiwi (412.70) 
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@nzkiwi
Wow, that's a big one. Wee they using chilled water to directly cool a product, like butter?
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
yes the particular one I did was for cooling water and there were many others for heating products too throughout the plant
Posted Sep-2-2012 Bynzkiwi (412.70) 
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Nice. Very nice.
All very clear, except one detail... I couldn't quite visualize how the water flows through those heat exchanger plates. Is it well water/system water in alternating plates? Is the flow pattern determined by the gaskets?
Posted Sep-2-2012 ByNotJim (1007.80) 
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@NotJim
You are right. The grooved plates determine the flow, not the gaskets.
The rotation of the plates by 180 degree (they are all identical) determine the flow. The design of the plate is genius.
This picture may help:
http://3.bp.blogspot.com/_QgQkmyCHz1Q/RwkMiBsrFhI/AAAAAAAAAuQ/YrRLSE2JyXA/s400/phe%2Bfig60-2.gif
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
Ah, very clever. I saw the identical-ness, and of course the advantage of that from a cost standpoint is huge.
Is cleaning done on a fixed schedule, or do you monitor performance in some way to decide it's time?
Posted Sep-2-2012 ByNotJim (1007.80) 
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@NotJim
It turns out that somebody in charge didn't want to go for the suggested filtration system during construction, in order to possibly save money.
About every 3 days one gets clogged up. The only indication of a clog is lack of temperature differential and an increase of pressure differential in the heat exchangers.
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
Some nice guy wanted you to have job security. ;-)
I did wonder about filtration but figured I was bugging you enough already!
Posted Sep-2-2012 ByNotJim (1007.80) 
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Can you elaborate on the application more? The tags mention "geothermal" and "heat exchanger", but what's it being used for? Domestic heating, Iranian nuclear fuel enrichment, or what??
Posted Sep-2-2012 Byjafll (1000.94) 
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@jafll
Geothermal is basically another alternative energy source that people use for heating and I THINK electrical applications as well. It's got nothing to do with anything nuclear though.
I don't know much about it myself but that's what I have to share.
Posted Sep-2-2012 Bylucidx1 (953.80) 
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@lucidx1
I was just being a smartass with the nuclear fuel enrichment comment. It would be nice to know what this heat exchanger is being used for though and why it needs cleaning. Always good to learn something from your fellow LiveLeakers.
Posted Sep-2-2012 Byjafll (1000.94) 
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@jafll
The building (a small library, I'm guessing 6,000 square feet) uses 9 electric heat pumps for air conditioning and heating. Most people know a "heat pump" as a normal air conditioner that can work in reverse to do heating, but that only works (heating) if the outside air is in the 55-65 degree range.
In the north well-water is a constant 60 degree all year, so it is more practical to use than air cooled condensers.
The stainless steel cooling plates in the video merely separ More..
Posted Sep-2-2012 ByRhemis (974.38) 
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@Rhemis
Cool, thanks for the info. I recall seeing a story about a fellow that made his own geothermal AC unit by running well water through an automobile radiator (with fan). Watered his garden and cooled the house at the same time.
Posted Sep-2-2012 Byjafll (1000.94) 
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Why the long bolts and why use a nutfucker to hold the nuts?
Posted Sep-2-2012 ByRumbleg (25.80) 
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@Rumbleg
Long bolts allow room to add more cooling plates.
That thick compression plate is very heavy, and sliding it back
is a lot easier than lifting it off or having it fall off when disassembling. Prevents damage to the thin plates.
A "nutfucker"? LOL. You mean the Channel Lock pliers? I tried everything, but the pliers work the best. You can let go and not get your hands or body parts pinched if you run across a bad thread or bent rod.
Posted Sep-2-2012 ByRhemis (974.38) 
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I appreciate your job Rhemis, I work with metal myself, but your job, to me, looks interesting. I love working metal, cleaning things. Despite all the welding and cutting I do, I find jobs like mine and that in this video to be very relaxing in a way, it's just comfortable nonsocial work.
Posted Sep-2-2012 Bylucidx1 (953.80) 
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@lucidx1 so you're a blacksmith?
Posted Sep-2-2012 ByLiteFlite (139.30) 
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@LiteFlite
No, I'm a metalworker jack of all trades, welding, casting, the works. A blacksmith is someone who forges in either steel or iron.
Posted Sep-2-2012 Bylucidx1 (953.80) 
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cool looking cooling plates
Posted Sep-2-2012 ByJigzy (335.58) 
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