Author Topic: Latest spray bar  (Read 12168 times)

Offline nathanrobo

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Latest spray bar
« on: March 03, 2013, 06:45:25 PM »
Wanted to improve on drying without bio spitting everywhere.  Last set up soaked the area around it, so this time I've lowered the SB and it seems to dry very effectively but without spitting bio everywhere.  Next job fit an extractor and duct the water vapour out.

On the first vid, you can really see the water vapourising.

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« Last Edit: March 03, 2013, 06:47:25 PM by nathanrobo »

Offline McDuff

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Re: Latest spray bar
« Reply #1 on: March 03, 2013, 06:55:48 PM »
Would this work when heating the oil for wvo use??

Offline Rotary-Motion

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Re: Latest spray bar
« Reply #2 on: March 03, 2013, 09:07:40 PM »
like the second video its really got it going on nathan, nice one...

Offline nathanrobo

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Re: Latest spray bar
« Reply #3 on: March 03, 2013, 10:06:59 PM »
Would this work when heating the oil for wvo use??

Yep, I've used one to dry feedstock on the past and it's pretty effective.  You should ensure that it's reasonable well filter first or else you'd be forever clearing the holes in the SB out.

Offline Tony

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Re: Latest spray bar
« Reply #4 on: March 03, 2013, 10:16:22 PM »
Is that Nylon tubing?  Do you know what temp it can take?

Offline Rotary-Motion

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Re: Latest spray bar
« Reply #5 on: March 03, 2013, 10:26:35 PM »
Is that Nylon tubing?  Do you know what temp it can take?

i may have some


15mm nice pipe size

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Offline Head Womble

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Re: Latest spray bar
« Reply #6 on: March 03, 2013, 10:37:50 PM »
It looks to be the HEP type, it's used on CH and hot water, so should be fine for us.

I have some that will be a cold water feed to my shed, I should have enough left for a spray bar.
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Offline greasemonkey

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Re: Latest spray bar
« Reply #7 on: March 03, 2013, 10:42:03 PM »
I think the stuff I used for my central heating said 80C constant, 110 maximum.

It should say on it somewhere. Although that is under pressure, although I don't recall how much it is rated for, so I would imagine it could take more heat at low pressure.
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Offline Rotary-Motion

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Re: Latest spray bar
« Reply #8 on: March 03, 2013, 10:50:39 PM »
It looks to be the HEP type, it's used on CH and hot water, so should be fine for us.

I have some that will be a cold water feed to my shed, I should have enough left for a spray bar.

i used to fit the ol hep2o in boats, we hsd to change where seen as when hot it grows, so used to get sags between pipe clips. beit real good pipe, just wanted to share as in a ring it may change the sparay patternn.

Offline Rotary-Motion

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Re: Latest spray bar
« Reply #9 on: March 03, 2013, 10:53:23 PM »
anyway off back to music weeeeeeeeeeeeeeeeeeeeeeeeee

Offline nathanrobo

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Re: Latest spray bar
« Reply #10 on: March 03, 2013, 11:08:52 PM »
Is that Nylon tubing?  Do you know what temp it can take?

Tony

The white spray bar tube is 22mm speedfit pipe for central heating.  The other tube is the return from the regulator on my fuge.

Not sure bout temp, but pressure wise a standard boiler would have a 3.5 bar pressure relief valve on it.  Some boilers have a 7 bar PRV, so I'm guessing that the pipe should be good for more pressure than a tam or similar can give it.

I wander if relatively low pressure injector nozzles (old ones) would do a better job?
« Last Edit: March 03, 2013, 11:11:47 PM by nathanrobo »

Offline Julian

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Re: Latest spray bar
« Reply #11 on: March 03, 2013, 11:16:26 PM »
Is that Nylon tubing?  Do you know what temp it can take?

Tony

The white spray bar tube is 22mm speedfit pipe for central heating.  The other tube is the return from the regulator on my fuge.

Not sure bout temp, but pressure wise a standard boiler would have a 3.5 bar pressure relief valve on it.  Some boilers have a 7 bar PRV, so I'm guessing that the pipe should be good for more pressure than a tam or similar can give it.

I wander if relatively low pressure injector nozzles (old ones) would do a better job?

Thinking around your injectors idea what about using the same nozzles as used for mist washing?
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Offline nathanrobo

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Re: Latest spray bar
« Reply #12 on: March 04, 2013, 12:49:18 AM »


Thinking around your injectors idea what about using the same nozzles as used for mist washing?
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I've got one somewhere.  I'd need to think about configuration as they've traditionally been put into a lid.  Maybe I should do this when the extractor is... extracting!

Offline RichardP

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Re: Latest spray bar
« Reply #13 on: March 04, 2013, 04:09:01 PM »
Have you got air bubbling in there as well Nathan?

Nice idea to use the plastic pipe, certainly a lot easier to bed nicely than copper. I may just go and steal from off my brother.

Offline 1958steveflying

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Re: Latest spray bar
« Reply #14 on: March 04, 2013, 04:23:24 PM »
Have you got air bubbling in there as well Nathan?

Nice idea to use the plastic pipe, certainly a lot easier to bed nicely than copper. I may just go and steal from off my brother.

I can answer that for you Richard, no air bubbling going on .  Yes the plastic pipe was a good idea of Nathans. Very quick and easy to make.