The airlift pond of Marc and Caroline (built in 1997)

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The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Wed 30 Dec 2015, 18:15:23

Hi everyone,

It's time to show my own pond development to the english speaking members here.
Both the garden and the pond have undergone considerable changes over the years.

The entire pond is Airlift powered.

Below you can see the pond as it started out.

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It eventually evolved into a koi pond (with plants).
The total capacity is 150 m³ (150.000 litres).

But with a low energy invoice :Yahoo: :dance:

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Here you can see the pond is filtered by using the conventional Multiroom filter, which had my preference.

The Koi pond is equipped with 4 bottom drains, winter control and two skimmers.
The planted pond is equipped with two bottom drains and two skimmers, and can optionally be switched with the filter and the koi pond.

Below are the first filter rooms:
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Greetings,

Marc


Part two:

Good evening everyone,

After having the Airlifts running perfectly for a while, while I was still using airstones, it was time to optimize this system, and the pressure chamber design was the way to do it.
All tests and improvements to the Airlift designs have happened in cooperation with the members on our Belgian forum, http://www.koivrienden.com, and it is our intention to share our experiences and tests with an international public through this forum.

For information on how to build an Airlift, please watch this video. It contains everything you need to know.
Thanks to Patrick of Aquatechnobel for filming, and Roy (Pssymon) for the translation.

phpBB [video]


To get an optimal return, it is (in most applications) necessary to have your intake (bottom of the Airlift) at a depth of around 170cm.
Because my filter does not reach that depth, I placed a collector tube in the ground, through the filter bay.
A collector is a substitute for a filter chamber, used to reach the required depth for the Airlift to function properly.
This tube has a diameter of 250mm, to ensure the collector does not limit the max. waterflow through the Airlift.

This is the chamber where the old Airlifts were in use, left empty so we could start working on them:
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The old Airlifts are removed:
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Now we were all set to begin.
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After some hard labour we completed the hole in the bottom of the filter, now, we still had to dig another meter down to fit the 250mm collector:
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Once the collector was placed, we finished the job by sealing everything and making it watertight:
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After curing, the upgraded Airlift was placed:
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It had turned dark when we were able to turn on the Airlift, with succes! :Yahoo: :dance:
Image Image

The resulting flow had improved greatly compared to the model using airstones (With a 30 litres per minute air pump I was easily moving 15m³ of water (15.000 litres)).
The video showing this Airlift working is on its way :wink:

Greetings,

Marc
Self-knowledge is the beginning of all wisdom
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby bryanangler » Wed 16 Mar 2016, 14:50:32

very nice, thank you for sharing this!
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Wed 16 Mar 2016, 21:04:24

Thank you :D

The performance was how everything started
phpBB [video]




High time to share with you how this principle is further developed to a perfectly working system :wink:

Greetings

Marc
Self-knowledge is the beginning of all wisdom
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Wed 16 Mar 2016, 21:26:51

Next week, the alterations like this sketch and video :wink:

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phpBB [video]
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Pssymon » Wed 06 Apr 2016, 22:24:53

Good day,

I just added the second part to Marc's pond development in the first post of this topic.
Since Marc's English is not perfect, I edited the opening post and translated the second part for him.

I am also running the Youtube channel, and the video 'Airlift: How to build, part two' should be up shortly.
With this video added to the channel, every user will have a full detailed guide to building a fully functional Airlift system with the collector, mentioned above, included.

Then, we can focus on more tests :D And hope for good results!

Many things to come over the next months!

Greetings,
Roy
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby bryanangler » Thu 14 Apr 2016, 14:06:11

Thank you for posting these! I cant wait to try building one at the new house we are moving to in a couple months. It will be a challenge finding a pressure chamber sock piece, here in the USA piping of that size (5 inch) doesn't exist. Nor do they sell the Secoh sll-20 air pump anywhere I can find here. But I will try to post whatever I come up with.
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Fri 15 Apr 2016, 21:10:45

I know it's difficult with the other dimensions, but I look forward to your project

Succeed with the sizes that are available

I like a lot of pictures, if possible :wink:

Greetings

Marc
Self-knowledge is the beginning of all wisdom
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby LarsKlein » Mon 18 Apr 2016, 12:39:12

Very nice airlift design guys!

I was wondering if you know the measurements of the materials used in the movie? It's a PVC of 110mm with 125mm around it. But with what adapter measurement do they fill up this hole and where can I buy it?

I hope you can help me so I can build one myself!!

Lars Klein
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Pssymon » Tue 19 Apr 2016, 0:58:51

Hey lars,

In the video Marc refers to this part as an adapter from 125mm to 110mm. When we built a small Airlift here we did not use the exact same part, we found something else that worked.
This was at a local hardware store with limited PVC pieces (in the Netherlands), we had to use a 100mm rising tube instead of the commonly used 110mm.

When Marc reads this he will be able to tell you more I guess. I have not worked with him on this exact Airlift with his materials yet.
We will be adding the pieces you need to the site, possibly with the shops that have them, or maybe distribute some parts. We are still working things out.

I see you live in Enschede, that's really close to where I live, maybe I can give you some assistance if needed.

Good luck,
Roy
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Wed 04 May 2016, 21:30:14

Thanks to Roy for editing and translation [thank_you :good:

phpBB [video]


phpBB [video]


Greetings

Marc
Self-knowledge is the beginning of all wisdom
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Frank » Thu 05 May 2016, 19:42:21

Thanks! Habe you ever tried to use 2 x 45 degree at the outlet of the airlift instead of 90 degree?

Greetings
Frank
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Marcje » Fri 06 May 2016, 21:54:05

Of course, but this is not good :wink:

Reason see sketch and hope clearly

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Self-knowledge is the beginning of all wisdom
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Re: The airlift pond of Marc and Caroline (built in 1997)

Postby Pssymon » Sat 07 May 2016, 2:16:57

We should test this in your test setup Marc, so we have some figures to go with it. I'm quite curious how much it will affect the results.
Maybe it will work in certain setups, but I would be surprised.
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