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justins7
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# Posted: 8 Oct 2018 02:22pm
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I am looking for recommendations for removing silt/mud please.
I have a large spring-fed pond that is first filled from a slit-pond. It's uphill, so the water flows from the mountains. The silt pond is starting to really fill up with silt/mud. It's alarming because I obviously don't want the pond to get filled up as well.
The silt pond is about 15' diameter and about 10-15' deep. The PVC pipe feeding the pond is about 1 foot down — but the silt pile is rapidly reaching this height.
I tried using a shovel to remove some but it is back-breaking and awkward and I mostly got muddy water, barely making a dent.
I know I could get someone with a backhoe, but I am wondering if anyone can recommend a pump, or other technique. Any ideas / stories are appreciated!
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toyota_mdt_tech
Member
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# Posted: 8 Oct 2018 03:14pm
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Large pump of the centrifugal type, think of Chinese building islands on reefs, ie a Spratley islands, mischief reef etc Only you will be taking silt and blowing it out of the area. Once in a large pile, you can use a loader to move it where it wont end up back in the pond.
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Just
Member
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# Posted: 8 Oct 2018 06:53pm
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I used a backhoe because I had no were to pump to the mud except a township drain and they would expect me to clean the ditch . We built a nice burm with the mud and seeded it with grass to hold the soil .It will need cleaning again in a few years .
I believe a pump would work if you have a place to pump it to..
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Just
Member
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# Posted: 8 Oct 2018 07:01pm
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my pond
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justins7
Member
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# Posted: 9 Oct 2018 11:30am
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Just: What kind of pump would you recommend?
I have plenty of space to dump silt and mud onto, but the pumps I've seen online seem more like water pumps. Would a trash pump be able to handle dense silt?
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Just
Member
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# Posted: 9 Oct 2018 02:08pm
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A 3 in. Ditch pump . Honda is the best but any should work .try to take as much water as you can with the mud
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Cowracer
Member
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# Posted: 9 Oct 2018 02:58pm - Edited by: Cowracer
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If you got the $$$, use two pumps. Use a smaller one at high pressure as a water jet to slurry the mud and get it moving, use the other at high-flow low pressure to pump it to wherever.
This is how we mine sand. We use a high-pressure monitor to wash the sand down to a pit, and then big lower pressure pump to transport the slurry to the drying plant.
video of Hydraulic mining
Use a 1-1/2" fire hose and preferably a 5/8" smooth bore nozzle (about as much as a man can hold by hand) and blast the mud in the pond to stir it up and get it slurried.
Bear in mind that you are going to lose a lot of water doing this, unless you have a way to de-water the slurry.
Tim
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