Bubble agitator under slats

beaconsboy

Member
Location
south powys
Has anyone got one. I understand all they are is a length of pipe in the holding tank with tiny holes. A compressor blows air it a couple of times a day and the bubbles mix the slurry and gets rid of the gasses. Sounds a great idea. All advice please
 

Ballygreenan

Member
Location
Tyrone NI
I've heard they're great for keeping slurry mixed and ready to spread also good for reducing the dangerous build up of gasses. Unfortunately they are also great at rotting the tin and nails on your shed roof as gas is constantly being released into the air.
 

sheepwise

Member
Location
SW Scotland
We have one here in a 100' x 60' tank.Great bit of kit, slurry always ready to spread with less smell.Ours was manufactured and installed by S.A.M.S. based in Lancashire.
 

Alicecow

Member
Location
Connacht
There was a write up about them in the Irish Farmers Journal a couple of years ago. Think the pipes have to be at the bottom of the tank, not halfway up etc. Retro fitting could be 'interesting'.
 
Friends of mine have the compressor/pipe setup in the bottom of their above ground tower. Works perfectly, little electric motor and tiny holes in pipes, not much to go wrong. Tends to run on a timer so goes at night on cheap leccy.

Fully homogenous mixing, no gas and much reduced smell. I would assume it is also a little kinder on the land as less anaerobic. More oxygen availability more of the time. Much much safer from a atmospheric point of view if used under slats I would assume?
 

upnortheast

Member
Livestock Farmer
Location
Northumberland
Made one myself 25 years ago to go in the bottom of a tower. Worked great for 4 years then we got a prolonged spell of frosty weather. The crust froze round the pipes (going up & over the side) and as we pumped more slurry in, the pipes were pulled out of their fixings on the floor. So ideal would be pipes in through base. There was 4 pipes each in going to 1/4 floor area. Valves on a timer did each segment for 15 minutes each
 

beaconsboy

Member
Location
south powys
Made one myself 25 years ago to go in the bottom of a tower. Worked great for 4 years then we got a prolonged spell of frosty weather. The crust froze round the pipes (going up & over the side) and as we pumped more slurry in, the pipes were pulled out of their fixings on the floor. So ideal would be pipes in through base. There was 4 pipes each in going to 1/4 floor area. Valves on a timer did each segment for 15 minutes each
I like your idea better. So did you just use a workshop compressor, and water pipe. You just drill the holes in the pipe. Can't be rocket science
 

upnortheast

Member
Livestock Farmer
Location
Northumberland
I like your idea better. So did you just use a workshop compressor, and water pipe. You just drill the holes in the pipe. Can't be rocket science
You need high volume of air at low pressure so workshop compressor not ideal.. We had a dairy vacum pump lying about and that did the job,Air filter on the suck port, pipe to a 4 way manifold (made of 2.5"box) on the blow side
We got some non return valves, like a rubber ducks beak for the end of each pipe, might be probs just drilling a holes in the pipe, fill with slurry when not under pressure.
Pipe was Class D plastic, the semi rigid stuff with glued joints. Think the mains were 50mm branching into 25mm on the floor
Initially used simple solenoid valves on the manifold, not ideal as it restricted air flow when open, Changed to valves like this which is full pipe when open. Made up a control box with a time clock and rotating cams that opened each valve in turn
SAFI_125x.jpg
 
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