[Gasification] Where is Everyone?
Bob Stuart
bobstuart at sasktel.net
Mon Jan 2 17:56:39 CST 2017
Thanks, Doug.
I'd been worried about coking, so you have saved me a test setback.
Will a cyclonic separator upstream help? I've never dealt with coking,
so I don't even understand its vulnerabilities. Would a good wire
brushing with each new load of fuel do the trick? That could be
automated pretty easily.
All the ICEs have to deal with the power for a compression stroke. I'll
do the math on intake vs exhaust volume before building, of course, to
make sure the turbo efficiency is a minor fraction of the equations.
With a built-in air pump, a condensing flue is easy to arrange, and it
recaptures any heat used to burn wet wood. Would the steam help clean
coke? It eats carbon in an ICE.
From what I know about generators, a rapidly spinning magnet is quite
effective. Those little DC-DC voltage converters are surprisingly small
and efficient, running at very high frequencies.
Bob
On 17-01-02 05:15 PM, Doug wrote:
>
> Hi Bob,
>
> I have seen direct coupled car turbo's hooked to a pressurized
> gasifier/stove, and in that situation, was fed hot gas straight out of
> the gasifier. It's not that it doesn't work, just that it's almost
> impossible to prevent the impeller from coking up and blocking. Not
> sure how you would actually hook a generating device on this, but
> opportunity to develop that hot gas to power directly would be a game
> changer. You also have to consider the power demand required for air
> input compression.
>
> Doug Williams.
>
>
> On 03/01/17 11:34, Bob Stuart wrote:
>>
>> Best Possible New Year, everyone.
>>
>> I arrived here after a period with wood heat but no electricity at
>> all, when I got interested in steam. Thanks to all for a great
>> education on the options. I am hoping to find a new situation with
>> younger people around where I can use a gasifier. What I'd like to
>> try would be expensive if I wanted maximum efficiency, but where the
>> need for heat is high and power modest, I think a great
>> simplification might work.
>>
>> With a turbocharger from a car, I think it would be easy to just
>> pressurize an airtight stove to produce a solid-fuel gas turbine. I
>> presume that sticking a magnet on the cold end would let a coil pull
>> the power off. Raising the pressure would get more efficiency, but
>> drive up the bill for exotic materials.
>>
>> Best,
>>
>> Bob Stuart,
>>
>> Spiritwood, SK
>>
>>
>
>
>
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