Dieselcraft centrifuge questions

Collecting, filtering and dewatering of WVO SVO vegetable oil. For Biodiesel producers too.

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Dieselcraft centrifuge questions

Postby sbaker » Thu Jul 03, 2008 12:33 pm

I'm really trying to talk myself into a centrifuge. One way or another, I think I need a filtering system that can work under pressure which means a centrifuge like the Dieselcraft or a filter housing with sock filters.

Obviously, SunWizard is a strong advocate of the Dieselcraft so I figure this is the best place to ask questions about it...

1. How loud is it? I've seen videos on youtube that make it look pretty loud. I'm not expecting a specific answer in dB, but I'm trying to figure out if my neighbors will hear it or if it will wake up my children when I use it in my garage or driveway.

2. How long between cleanings? Again, I know this is highly variable, but if I have pre-filtered to 100 microns, would I normally expect to be able to run a batch of 50 gallons through 4 or 5 passes before I clean it? The bowl doesn't look very big, but hopefully it's big enough.

3. For people that have used the centrifuge with a water heater, do you have any trouble with the draining? The manual says to make sure you have at least a 1" outlet for the OC-20 (1.25" for the OC-50) but a hot water heater inlet is only going to be 3/4". How do you keep the outlet from backing up?

Thanks for any input. A decent filter housing is just too close to the cost of a centrifuge but it has the advantage of being very simple.
sbaker
 
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Postby Performance Plus WVO » Thu Jul 03, 2008 11:39 pm

1. Sound as loud as a hair dryer.2. 30 minutes to one hour. 3. I use a cone tank not a water heater. The thing is you can screw around with filters and make a mess" or at least I did when I played the filter game". On the other hand if you want to use a lot of oil get the centrifuge. They work well and are a good value for what you get.
Performance Plus WVO
 
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Re: Dieselcraft centrifuge questions

Postby Johnh » Sat Jul 05, 2008 10:18 pm

sbaker wrote:3. For people that have used the centrifuge with a water heater, do you have any trouble with the draining? The manual says to make sure you have at least a 1" outlet for the OC-20 (1.25" for the OC-50) but a hot water heater inlet is only going to be 3/4". How do you keep the outlet from backing up?


For running smaller outlets you can use the certrifuge with the level control base. you need to supply them with a small volume of compessed air which pumps the oil out of the centrifuge. See the Websites for details they are slightly dearer.
But for our application I think it may be a mistake to use a centrifuge in a sealed container like a water heater. There is a big advantage in dewatering if you allow the water vapour in the output to escape.
Regards
John
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Postby sbaker » Sun Jul 06, 2008 9:29 am

Thanks very much for the replies.

After reading through SunWizard's original CF post again, I was thinking that a closed container might not be a good idea. Thanks for validating my concerns.

Noise was my biggest holdup, so thanks for answering that Performance Plus. I also found an old post from SunWizard saying that they aren't too loud if they are mounted properly.

I'm planning to get an OC-50 ASAP.
sbaker
 
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Location: Kutztown, PA

Postby Mac99 » Mon Jul 07, 2008 11:03 am

You will also reduce the noise caused by vibration if you install the CF with rubber isolation mounts, and use a flexible hose to connect it to the pipework.

The vehicle mount type with the level control base referred to earlier (Spinner II etc.) come with isolation mounts as standard.
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