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Pilot

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Plant

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Meeting

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Minutes

Spring 2009 Minutes

2-20-2009

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h4. Accomplishments

* Developed and began construction of new baffle system
** 

Accomplishments

  • Developed and began construction of new baffle system
    • 1/2"

...

    • PVC

...

    • which

...

    • is

...

    • already

...

    • at

...

    • the

...

    • lab

...

    • will

...

    • be

...

    • run

...

    • continuously

...

    • through

...

    • the

...

    • baffles

...

    • we

...

    • already

...

    • use

...

    • (after

...

    • holes

...

    • are

...

    • drilled

...

    • in

...

    • them).

...

    • Baffles

...

    • will

...

    • be

...

    • held

...

    • in

...

    • place

...

    • with

...

    • segments

...

    • of

...

    • reinforced

...

    • PVC

...

    • tubing

...

    • slit

...

    • spirally

...

    • lengthwise.

...

    • These

...

    • tubes

...

    • will

...

    • be

...

    • placed

...

    • over

...

    • the

...

    • PVC

...

    • pipe

...

    • to

...

    • hold

...

    • the

...

    • baffles

...

    • in

...

    • place

...

    • and

...

    • can

...

    • easily

...

    • be

...

    • removed

...

    • or

...

    • added

...

    • to

...

    • the

...

    • pipe.

...

    • Purchased

...

    • 6'

...

    • of

...

    • tubing

...

    • to

...

    • test

...

    • if

...

    • it

...

    • will

...

    • be

...

    • better

...

    • to

...

    • use

...

    • tubing

...

    • as

...

    • clamps

...

    • (put

...

    • small

...

    • segments

...

    • of

...

    • the

...

    • tubing

...

    • on

...

    • each

...

    • side

...

    • of

...

    • the

...

    • baffle)

...

    • or

...

    • as

...

    • spacers

...

    • (i.e.

...

    • fill

...

    • the

...

    • entire

...

    • space

...

    • between

...

    • consecutive

...

    • baffles

...

    • with

...

    • pieces

...

    • of

...

    • the

...

    • tubing)

...


    • The

...

    • following

...

    • proposals

...

    • were

...

    • deemed

...

    • ineffective

...

    • after

...

    • deliberation

...

    • and

...

    • testing:

...

  • Built

...

  • mockup

...

  • of

...

  • proposed

...

  • new

...

  • baffle

...

  • system

...

  • using

...

  • 1/2"

...

  • PVC

...

  • pipe

...

  • and

...

  • rubber

...

  • O-rings

...

    • O-rings

...

    • slid

...

    • around

...

    • too

...

    • much

...

  • Planned

...

  • several

...

  • versions

...

  • for

...

  • the

...

  • actual

...

  • baffle

...

  • design

...

  • (speced

...

  • out

...

  • components,

...

  • priced

...

  • out

...

  • online)

...

    • 1/4"

...

    • stainless

...

    • steel

...

    • pipe:

...

    • $10/6

...

    • ft

...

    • from

...

    • McMasterCarr

...

      • Will

...

      • need

...

      • 4

...

      • pipes/channel

...

    • Tygon

...

    • tubing

...

    • (~$1.50/ft)

...

    • to

...

    • be

...

    • used

...

    • as

...

    • sleeve

...

    • around

...

    • the

...

    • pipe

...

    • the

...

    • keep

...

    • clamps

...

    • tight

...

    • Potentially

...

    • using

...

    • spring

...

    • clamps

...

    • ($13/100

...

    • clamps)

...

    • Potentially

...

    • using

...

    • Nitrile

...

    • O-rings

...

    • $8/pk

...

    • of

...

    • 100

...

    • O-rings

...

      • Couldn't

...

      • have

...

      • O-rings

...

      • on

...

      • threaded

...

      • beucase

...

      • they'd

...

      • eventually

...

      • break

...

      • and

...

      • entire

...

      • system

...

      • would

...

      • need

...

      • to

...

      • be

...

      • dissembled

...

      • to

...

      • replace

...

      • Couldn't

...

      • have

...

      • nuts

...

      • because

...

      • of

...

      • length

...

      • of

...

      • time

...

      • to

...

      • change

...

      • spacing

...

      • and

...

      • in

...

      • case

...

      • the

...

      • nuts

...

      • ever

...

      • became

...

      • chewed

...

      • out

...

      • or

...

      • are

...

      • unable

...

      • to

...

      • be

...

      • moved

...

Outcomes

  • Have final design for the baffle system
  • Obtained materials, began construction
  • Will be retrieving rest of current baffle system from the pilot plant and drilling holes in baffles and starting construction of new system.

Issues

  • We need to clamp or use a drill press to drill the holes in the baffles so they line up
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