| Picture of a Trickle Filter Needed | |
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Chris Neaves
Posts : 449 Reputation : 14 Join date : 2008-04-02
| Subject: Picture of a Trickle Filter Needed Mon May 31, 2010 4:09 pm | |
| Hi,
I am looking for a good picture of a trickle filter. Does anyone have one please I need it for the Filtration Module for the KOI Inc program.
Regards, Chris |
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Guest Guest
| Subject: Re: Picture of a Trickle Filter Needed Mon May 31, 2010 4:24 pm | |
| Hope this will help.
Last edited by Pieter J de Villiers on Tue Jun 01, 2010 1:49 pm; edited 1 time in total |
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Jan
Posts : 156 Reputation : 0 Join date : 2009-02-01 Age : 74 Location : Johannesburg
| Subject: Re: Picture of a Trickle Filter Needed Mon May 31, 2010 5:24 pm | |
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Neville
Posts : 1457 Reputation : 1 Join date : 2010-01-17 Age : 77 Location : Krugersdorp
| Subject: Re: Picture of a Trickle Filter Needed Mon May 31, 2010 6:56 pm | |
| Nee man dis Bakki showers, Chris try this guy he makes them. http://koiproducts.co.za/product.htm
His name is Willie Kok. tel 083 5607581 |
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bobby
Posts : 1375 Reputation : 0 Join date : 2008-06-30 Age : 71 Location : Malmesbury Cape Town
| Subject: Re: Picture of a Trickle Filter Needed Mon May 31, 2010 7:16 pm | |
| Ek is nie seker waarna Neville verwys nie, maar ja myne waarna Jan verwys die groen houers, is trickle towers en word deur Willie gemaak. Wilpet. Die water word vinnig deur 'n Bakki Shower gepomp en stadiger deur in Trickle Tower, maar ek is seker Willie kan die regte inligting verskaf wat jy benodig Chris. |
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Guest Guest
| Subject: Re: Picture of a Trickle Filter Needed Tue Jun 01, 2010 8:36 am | |
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Neville
Posts : 1457 Reputation : 1 Join date : 2010-01-17 Age : 77 Location : Krugersdorp
| Subject: Re: Picture of a Trickle Filter Needed Tue Jun 01, 2010 10:34 am | |
| Hi all
I was under the impression that a trickle tower or filter has it's inlet at the bottom.? So now we can govern the speed.
Chris is correct you cannot govern the speed of falling water, only the volume. |
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bobby
Posts : 1375 Reputation : 0 Join date : 2008-06-30 Age : 71 Location : Malmesbury Cape Town
| Subject: Re: Picture of a Trickle Filter Needed Tue Jun 01, 2010 12:06 pm | |
| Trickle tower inlet on top and and gravity outlet at the bottom. Flow restricted with a catchment bowl on top and cooling tower block that change the water direction as it trickle's down toward bottom. |
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Chris Neaves
Posts : 449 Reputation : 14 Join date : 2008-04-02
| Subject: Re: Picture of a Trickle Filter Needed Tue Jun 01, 2010 6:39 pm | |
| Hi, Thank you for the help.
A trickle filter has the water sprayed or poured down from the top. It is basically a single unit with no floors or restriction on the way down - only the media and perhaps the odd grid if you are using crates. A very open media is used and the water splashes and breaks up on the way down.
So the water is straight in at the top, splashes down through the media and straight out at the bottom.
They a very efficient biofilters that also add a lot of oxygen to the water returning to the pond.
A bakki shower has water sprayed or poured down from the top and has a series of shelves or containers which slightly restrict the downward flow of the water. This restriction is really not much or the trays would overflow.
Also very efficient biofiltration and also adds a lot of oxygen to the pond water.
I have pictures of bakki showers but I am looking for a picture of a trickle filter.
Regards, Chris |
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Chris Neaves
Posts : 449 Reputation : 14 Join date : 2008-04-02
| Subject: Re: Picture of a Trickle Filter Needed Wed Jun 02, 2010 6:14 am | |
| Hi Pieter, I rather like the two bakki shower pictures you posted. Can I use these or do we need to get premission? Regadrs, Chris |
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Neville
Posts : 1457 Reputation : 1 Join date : 2010-01-17 Age : 77 Location : Krugersdorp
| Subject: Re: Picture of a Trickle Filter Needed Wed Jun 02, 2010 7:38 am | |
| Hi Chris
Came across these as well. http://www.koi-bito.com/forum/attachments/pond-construction/27685d1260025038-bakki-shower-filter-35.jpg
http://www.absolute-koi.com/filtration/images/bakki_showers.jpg |
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Guest Guest
| Subject: Re: Picture of a Trickle Filter Needed Wed Jun 02, 2010 9:44 am | |
| Hi Chris,
It is photos from Public Photos on Photobucket, no premission needed. |
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Chris Neaves
Posts : 449 Reputation : 14 Join date : 2008-04-02
| Subject: Re: Picture of a Trickle Filter Needed Thu Jun 03, 2010 7:56 am | |
| Hi, Comments on the two pictures Pieter posted on trickle filters.
The blue trickle filter in the first picture.
They have over-complicated this design with a distribution plate that restricts the flow at the top.
The amount of water that you would be able to get through this trickle filter is limited by the three outlet pipes installed in this plate. It would be far better to simply spray the water over the top of the filter. There is not reason to limit the fow rate.
The second picture is a bakki filter.
The top tray is correctly packet. The media is spread over the whole tray. So the water will flow evenly through the all the media. They way the water is sprayed over the media in the top trap is very good.
The second tray with the shaped plastic media is also packet well and will have an even flow over the media as well. But I notice that they seem to have restricted the flow to the centre of the tray.
The third tray only has media in the centre - not a good idea as water takes the path of least resistance. This tray is a waste of space even though they have directed the water flow towards the middle. The media should be evenly spread and cover the whole of the floor of the tray - even if it is very thinly spread - and the water should flow between the trays as it does at the very top.
Chris |
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