Koi Forum (Nishikigoi - Japanese Koi Fish): KOI Talk: DIY Corner: Foam Fractionator: Bekki Shower Enhancement

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Foam Fractionator: Bekki Shower Enhancement

Tao BKK
Koi Lover

Jul 11, 2006, 9:57 PM

Post #1 of 14 (1603 views)
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Foam Fractionator: Bekki Shower Enhancement	Can't Post

Problem
The water in my pond is clear but still have some tiny foam floating around. You can see it in the picture:

Tao BKK
Koi Lover

Jul 11, 2006, 10:00 PM

Post #2 of 14 (1601 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

The tiny foam is from the air bubble, water flow from the FOK pump and also from my bekki shower (DIY).

My bekki shower: how it looks like

Tao BKK
Koi Lover

Jul 11, 2006, 10:05 PM

Post #3 of 14 (1599 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

After reading a book related to foam fractionator, the new idea was coming out. The question is how to separate the foam before it flows to the pond?

Pls. see my original 1st tray of bekki In the tray, I put filtermat in it.

Tao BKK
Koi Lover

Jul 11, 2006, 10:08 PM

Post #4 of 14 (1596 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

I took all JFM in the 1st tray out. You can see that the water level is at the outflow pipe. So that the bubble (or foam) can be escape from the tray.

Tao BKK
Koi Lover

Jul 11, 2006, 10:13 PM

Post #5 of 14 (1594 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

I stole 2 furture board sheets from my daugter! Not so sure, it is called "future board" in other countries. Pls. see the photo. It is similar to card board. Instead of made of paper, it is made of plastic.

I cut the corner to avoid the leg of the upper tray.

The rectangular cuts are for the water flow to the other side.

(This post was edited by Tao BKK on Jul 11, 2006, 10:26 PM)

Tao BKK
Koi Lover

Jul 11, 2006, 10:15 PM

Post #6 of 14 (1592 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

2 future board were placed in by the upper edge is on the front tray edge. (my english may confuse you. Sorry)

See picture is better:

Then, bubbles can not escape from the bekki.

(This post was edited by Tao BKK on Jul 11, 2006, 10:16 PM)

Tao BKK
Koi Lover

Jul 11, 2006, 10:18 PM

Post #7 of 14 (1589 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

The rectangular cut should be under the water level. See the pic.

Before cut the rectangular shape, you better try the sheet without cut first and then mark it. Then cut!

The water can flow to the cut but bubble or foam can not!

(This post was edited by Tao BKK on Jul 11, 2006, 10:20 PM)

Tao BKK
Koi Lover

Jul 11, 2006, 10:22 PM

Post #8 of 14 (1585 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

It's DONE! Such a low tech ha?

After running around 3-4 hours (depend on your pond dirty), I got some foam! Looks like beer foam! It was stuck at the corner of the tray!

Tao BKK
Koi Lover

Jul 11, 2006, 10:25 PM

Post #9 of 14 (1580 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

Now issue arose again, how to take the foam out?

At first stage, I drill a hole putting outlet pipe with valve at the water level. I turned on the valve. But the foam was still there! Doesn't work!

At the end, low tech again, using small net (gold fish net) to take foam out!

And it works!

Any idea to improve is more than welcome!

mikoi
Koi Lover

Jul 12, 2006, 6:22 AM

Post #10 of 14 (1552 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

I love your step by step instruction
with the pictures, it is very helpful.
keep up the good work. too bad I dont
know how to solve your bubble dilemma.

have you tried to do koi38's DIY protein skimmer?

Mikoi

Koi38
Senior Member

Jul 12, 2006, 7:21 AM

Post #11 of 14 (1550 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

Tao,

No wonder we didn't here from you for a while, you've been stealing and mocking around with you pond again Mad

Don't worry we wont tell your daughter Wink

Have thought about protein skimmer. I will do the same job and you can have the output straight to your garden so no scooping is needed Cool

Just a thought Smile

BTW, very nice step by step construction Cool

rgds,
Jon

"DuKu Friendly"
_____________________________________
"No one is ever too old to know better"

http://s3.photobucket.com/albums/y63/Koi38/

utsuri
Koi Lover

Jul 13, 2006, 1:48 AM

Post #12 of 14 (1515 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

Now this is a damn good idea. I know how to do it. What you have to do is get the water flow going from one end to the other. This will collect the foam at one end. On that the downstream side put in a plate like you have done that is placed at an angle. The hole should go in the bottom of the box not the plate. The plate should not let water past it. Behind that is the collection area. The trick to using this to collect the foam is in the wate level and direction of current in the main chamber it is attatched to. It has to be right at the edge and somewhat static. If not the foam will just re disolve back into the water column.

ROugh diagram

For this to let the foam overflow into the collection area, the water level has to be just right. If so then any build up of foam will go over the separtation plate and into collection. Put a small drain on the collection side that will give you automatic dispensing when the foam returns to liquid. I noticed something in the drawing I messed up on. The return pipes should be on the left side and they should be stand pipes. To keep the variables in pump flow under control you are going to have to use stand pipes big enough to handle the fastests flow rat your pump pushes with out a rise in water. If you are not following this idea, the pump will slow down as things get clogged up. When it does you do not want the water level in the chamber to change. If the standpipes are not designed right, the water level will drop and no foam can be collected.

Hope you understand what I am talking about.
I have another idea I will add to this that might be an easier way.

thiamhwa
Member / Moderator

Jul 13, 2006, 9:42 AM

Post #13 of 14 (1503 views)
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Re: [Tao BKK] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

Hi Tao,

What about cutting out a piece of the net cloth and placing it over the water outlet pipes with securing cable ties
to prevent the foam from flowing into the pond?

Regards,
Thiam Hwa

Tao BKK
Koi Lover

Jul 15, 2006, 12:23 PM

Post #14 of 14 (1445 views)
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Re: [thiamhwa] Foam Fractionator: Bekki Shower Enhancement [In reply to]	Can't Post

Hi,

Thank you very much for all idea. Let me try.

Cheers,

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