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Posted on 10/29/13 at 9:05 pm to GREENHEAD22
quote:
However if it doesn't keep up you need a sensor to open the main drain on the overflow bucket to keep it from overfilling.
I still don't see the need of a sensor. Just let it spill over the side of the overflow drain. That way you will maximize the amount allowed to go through the perforated pipe just holding the optimal level on the filter media.
This is how a golf green is made. Sand, then pea gravel, then perforated pipe in the pea gravel. The interface between the courser pea gravel and sand hold water for the roots of the grass. But in times of heavy rain the water column rises causing a flushing action causing the water to push into the pea gravel. Different size of sand and gravel will hold a higher water column before the flushing action occurs.
Posted on 10/29/13 at 9:06 pm to Capt ST
Water trickles down to that and discharges
Posted on 10/29/13 at 9:11 pm to jimbeam
In case you missed it on my edited post.
Posted on 10/29/13 at 9:15 pm to Meauxjeaux
Best case scenario, we find a way to not discharge excess runoff(overflow). Would be optimal to run it back through the beginning somehow. Could be as simple as a retention pond prior o the filter. Some kind of regulator on the retention pond into the bed
Our goal is to design a cheap system using no energy. A lot of this requires a gradient to simply use gravity. Throwing in a retntion pond would add vertical distance we might not have
Our goal is to design a cheap system using no energy. A lot of this requires a gradient to simply use gravity. Throwing in a retntion pond would add vertical distance we might not have
This post was edited on 10/29/13 at 9:19 pm
Posted on 10/29/13 at 9:17 pm to Meauxjeaux
You need a high level sensor on that overflow bucket to open its drain or you will have a vessel overflow and contamination.
Posted on 10/29/13 at 9:19 pm to jimbeam
if you have access to power----
one of these on bottom discharge
valve
with one leg wired through one of these in overflow "catch"
float switch
one of these on bottom discharge
valve
with one leg wired through one of these in overflow "catch"
float switch
Posted on 10/29/13 at 9:21 pm to jimbeam
If its wastewater application you have to consider what you're allowing into your system, really can't stress enough the need for strainers for your untreated effluent. I've seen first hand what gets caught in the valves and it isn't pretty. Much easier to clean strainer than to untangle condoms and tampons from valve stems.
Posted on 10/29/13 at 9:21 pm to GREENHEAD22
If you mean contamination back into the perforated pipe, there are a bunch of check valve solutions that could be added at the outflow of the perforated pipe into the overflow pipe.
Posted on 10/29/13 at 9:21 pm to GREENHEAD22
Overflow would need to be collected and recycled back around. Rerun it during times of lower flow when the filter can handle extra.
Posted on 10/29/13 at 9:22 pm to Nodust
Exactly
That's the best case scenario
Now we need to figure out how to with no power
That's the best case scenario
Now we need to figure out how to with no power
Posted on 10/29/13 at 9:23 pm to D500MAG
what kind of volume are you expecting ?
Posted on 10/29/13 at 9:25 pm to D500MAG
We need to do some calls for sizing but will depend on filter bed depth and material infiltration
But this will be for say parking lot and subdivisions for example
1/4 inch of rain over half acre parking lot is beaucoup water though
But this will be for say parking lot and subdivisions for example
1/4 inch of rain over half acre parking lot is beaucoup water though
This post was edited on 10/29/13 at 9:26 pm
Posted on 10/29/13 at 9:26 pm to jimbeam
solar power out of question ?
Posted on 10/29/13 at 9:26 pm to Nodust
Got ya, then yae just run it to a retention tank. I am equating this to what I know, oil production, everything needs sensors and alarms.
Posted on 10/29/13 at 9:26 pm to jimbeam
quote:
Now we need to figure out how to with no power
Best bet would be keep it from getting to the filter. Use a float like used on cattle water troughs for the inlet of the filter. When the water raises the float, flow is cut off. Just make sure you have enough holding capacity upstream of the filter.
Posted on 10/29/13 at 9:27 pm to D500MAG
Not totally. But will increase initial and O and M costs
But if we could treat overflow excess, might be worth it
But if we could treat overflow excess, might be worth it
Posted on 10/29/13 at 9:28 pm to Nodust
Yea regulating inflow is the best option thus far
Posted on 10/29/13 at 9:29 pm to Nodust
Even so, you will still need an overflow prevention device. Maybe a smaller filter connected to the overflow line. It may not clean it as good but should blend out with the clean treated water and be enough to release.
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