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Thread: Fluid Bed Prototype

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  1. #1
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting

    Fluid Bed Prototype

    Hello All!

    I made a prototype fluid bed and tested it with a measured amount of -100 gold. I did not video running that material. I tried to run the material again with a hose attached to the house. There wasn't enough flow for it to work so I shot a video of the basic punch plate classifier I used.

    Now that I know it works I will make a classifier that is hands off. You can shovel into the final classifier. I'll get out ASAP and push it to it's limit to see just how much material can be run and how fast it can be run. I'll post that video when I can.

    You can see it at...
    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  2. #2
    us
    Jun 2009
    Blue Ridge, South Carolina
    818
    292 times

    Re: Fluid Bed Prototype

    Nice job man, looks like a monster for processing material. Look forward to seeing it in action.
    Sample till you find the hot spot, then mine it till its gone! Then start over...

  3. #3
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Bounty Hunter's, Whites TM 808, Whites GMT, Suction Dredges, Hand Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Gold Pans, Sluices, Dry Washers, Miller Tables, Rp4 Wave table, etc.
    4,652
    1876 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Cool video

    What is the device on the bottom of the tub ?
    And it's function?



    ~Diggin The Adventure~
    Visit My Personal Forum Pages

  4. #4
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Thanks Astro!

    GoodGuy, Do you mean the piping in the corner? It was intended to drain/suck the concentrates out. It's really not needed.

    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  5. #5
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Bounty Hunter's, Whites TM 808, Whites GMT, Suction Dredges, Hand Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Gold Pans, Sluices, Dry Washers, Miller Tables, Rp4 Wave table, etc.
    4,652
    1876 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Quote Originally Posted by nickmarch
    Thanks Astro!

    GoodGuy, Do you mean the piping in the corner? It was intended to drain/suck the concentrates out. It's really not needed.

    Sorry... It took me a minute to understand your concept.

    I really like your design

    Using the angled screen was a clever idea to send the concentrates down toward the drain while preventing the heavies (black sand etc.) from choking off your fluid input located at the upper end...... That will come in real handy when running yards of material.


    Looking forward to your field test.


    GG~
    ~Diggin The Adventure~
    Visit My Personal Forum Pages

  6. #6
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    I assumed that people know that the water is pumped in below the brass punch plate? It creates an upward shower spray across the whole bottom of the tank. Below the brass punch plate is expanded metal for support.

    It angles down to the corner where the drain is located. Length and width both angle down to one corner.

    A few square inches in the corner of the punch plate is blocked by silicone so there is no upward spray in the corner.

    The gold and black sands make their way into the corner. It's the lowest spot! Actually the materials with the highest specfic gravity make their way into the corner. The lightest materials constantly flow out the top.

    It's a 30 gallon tank so the water changes out once a minute. 24" long x 18" wide x 18" deep. The punch plate is 3" from the bottom on one end 2" from the bottom on the drain end. There is only about 1/2" drop difference on the width.
    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  7. #7
    us
    Feb 2012
    Gainesville, TX
    84
    2 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Wow. Great setup I'm looking at making one of these but on a much smaller scale. Actually going out right now to see what Home Depot has to offer LOL

  8. #8
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Quote Originally Posted by forhorsmn
    Wow. Great setup I'm looking at making one of these but on a much smaller scale. Actually going out right now to see what Home Depot has to offer LOL
    Use 2 buckets. Drill a million (a lot) of very small (extremely small) holes in the bottom & an inch or so up the sides in one bucket.

    Attach a small bulkhead fitting on the side of and as close to the bottom of the 2nd bucket to attach a hose. Go to home depot and look at the pans that go under a hot water heater. You will find the perfect bulkhead fitting there! It is what is attached to the pan.

    Get small rubber tubing or something round maybe styrofoam & figure out how to seal the air space between the two buckets.

    Put the bucket with the holes inside of the other bucket and put 2 or 3 screws to stop the top bucket from rising when under pressure.

    Turn on the water until the spray is about 1/3 up in the bucket. Classify with a standard classifier in the bucket. Let the water splash out the top. It also makes it easier to classify! The lighter stuff will continually flow out the top. The heavier stuff (gold) will stay in the bottom part of the bucket.

    If you are in a spot where you know there is gold run it for hours before working the concentrates. There will be quite a bit of cons but the gold will be on the bottom of the top bucket and some will seep thru to the bottom bucket when you shut the water off.

    Option 2: Drill holes in one bucket to match the size of the classifier that you are going to use. Little to nothing is going to get into the bottom bucket while under pressure. After you shut down the water. Unscrew the screws holding the two buckets together & lift the top bucket up & down a few times to fluidize the cons in the top bucket. The heavier stuff (gold) will get sucked into the bottom bucket. Sort of like a jig.
    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  9. #9
    Charter Member
    us
    I can dig it! "WP"

    Mar 2007
    Bounty Hunter's, Whites TM 808, Whites GMT, Suction Dredges, Hand Dredges, Trommels, Gold Vacs, High Bankers, Fluid bed Gold Traps, Gold Pans, Sluices, Dry Washers, Miller Tables, Rp4 Wave table, etc.
    4,652
    1876 times
    All Types Of Treasure Hunting

    Re: Fluid Bed Prototype

    Quote Originally Posted by nickmarch
    Quote Originally Posted by forhorsmn
    Wow. Great setup I'm looking at making one of these but on a much smaller scale. Actually going out right now to see what Home Depot has to offer LOL
    Use 2 buckets. Drill a million (a lot) of very small (extremely small) holes in the bottom & an inch or so up the sides in one bucket.

    Attach a small bulkhead fitting on the side of and as close to the bottom of the 2nd bucket to attach a hose. Go to home depot and look at the pans that go under a hot water heater. You will find the perfect bulkhead fitting there! It is what is attached to the pan.

    Get small rubber tubing or something round maybe styrofoam & figure out how to seal the air space between the two buckets.

    Put the bucket with the holes inside of the other bucket and put 2 or 3 screws to stop the top bucket from rising when under pressure.

    Turn on the water until the spray is about 1/3 up in the bucket. Classify with a standard classifier in the bucket. Let the water splash out the top. It also makes it easier to classify! The lighter stuff will continually flow out the top. The heavier stuff (gold) will stay in the bottom part of the bucket.

    If you are in a spot where you know there is gold run it for hours before working the concentrates. There will be quite a bit of cons but the gold will be on the bottom of the top bucket and some will seep thru to the bottom bucket when you shut the water off.

    Option 2: Drill holes in one bucket to match the size of the classifier that you are going to use. Little to nothing is going to get into the bottom bucket while under pressure. After you shut down the water. Unscrew the screws holding the two buckets together & lift the top bucket up & down a few times to fluidize the cons in the top bucket. The heavier stuff (gold) will get sucked into the bottom bucket. Sort of like a jig.
    I like the way you think
    ~Diggin The Adventure~
    Visit My Personal Forum Pages

  10. #10
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting
    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  11. #11
    us
    Jul 2012
    >GJ Colorado
    43
    1 times
    Prospecting
    Quote Originally Posted by nickmarch View Post
    Use 2 buckets. Drill a million (a lot) of very small (extremely small) holes in the bottom & an inch or so up the sides in one bucket.

    Attach a small bulkhead fitting on the side of and as close to the bottom of the 2nd bucket to attach a hose. Go to home depot and look at the pans that go under a hot water heater. You will find the perfect bulkhead fitting there! It is what is attached to the pan.

    Get small rubber tubing or something round maybe styrofoam & figure out how to seal the air space between the two buckets.

    Put the bucket with the holes inside of the other bucket and put 2 or 3 screws to stop the top bucket from rising when under pressure.

    Turn on the water until the spray is about 1/3 up in the bucket. Classify with a standard classifier in the bucket. Let the water splash out the top. It also makes it easier to classify! The lighter stuff will continually flow out the top. The heavier stuff (gold) will stay in the bottom part of the bucket.

    If you are in a spot where you know there is gold run it for hours before working the concentrates. There will be quite a bit of cons but the gold will be on the bottom of the top bucket and some will seep thru to the bottom bucket when you shut the water off.

    Option 2: Drill holes in one bucket to match the size of the classifier that you are going to use. Little to nothing is going to get into the bottom bucket while under pressure. After you shut down the water. Unscrew the screws holding the two buckets together & lift the top bucket up & down a few times to fluidize the cons in the top bucket. The heavier stuff (gold) will get sucked into the bottom bucket. Sort of like a jig.
    I have been looking for a DIY project that works fluid bed tech into it. I am curious on how this version compares to something like Astrobouncers bucket option that uses the piping elevated and projecting the water down instead of up.

    How viable is either method to set up in a recirculating process for those not allowed to dump back into the water or when at home trying to avoid the Drought Police? I found an interesting pump at Harbor Freight but it had a 1 1/8 discharge port and everything I found was
    for converting 1 1/4, 1 1/2, 3/4, etc... So now I am looking for another pump. :-)

  12. #12

    May 2012
    685
    229 times
    All Types Of Treasure Hunting
    search fluid bed concentrator on YouTube

    Start here, then georgiagoldguy's video shows better how to build one:


  13. #13
    us
    Jul 2012
    >GJ Colorado
    43
    1 times
    Prospecting
    This gives a good example for a recirculating setup. Still hoping for a pump solution, that HBF one seemed perfect minus the odd 1 1/8 barbed discharge.

    is the video you mean? I had seen this before and it gave me some ideas. Was thinking more of a 4x4 box so I could set up a feed system that would allow my son to help when we are out. That tiny box would just invite him to dump it into the bigger bucket for splash value. :-)

    What I was interested in is that some people are showing their fluid beds with the pipes elevated a bit above the floor of the box where as these demo videos seem close to the floor and NickMarch has a setup where it comes out of the floor if I am understanding it right.

    Bucket highbanker with hydraulic/fluidized bed riffles looked promising as well but both that thread and this one seemed hint at having further modifications to be completed. Trying to see which would be better to work with. :-)

  14. #14
    us
    May 2009
    561
    42 times
    All Types Of Treasure Hunting
    This guys setup looks easy to make & should work well. Personally I think it would work better with a lot less water being pumped. 60 gpm seems like way to much but I could be wrong.

    http://m.youtube.com/#/watch?desktop...YI-HoZQI&gl=US

    If you keep the flow at a bare minimum just enough to keep everything fluid & have a mud like consistancy you will retain the tiniest particles of gold.

    I'm making another fluid bed type setup put of a 8 gallon funnel. I'm sure it will work but will it work better than my others?
    Last edited by nickmarch; Aug 01, 2012 at 04:15 PM.
    Research is more important than detector but Positive Thinking & The Laws of Attraction Rule!
    Think Gold get Gold! Think canslaw get canslaw and other garbage!

  15. #15
    us
    Dec 2005
    Eugene, Oregon
    Fisher CZ5, White's GM VSat
    4,095
    85 times
    Just replying so I can subscribe to this thread

 

 
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