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Gasification Archive for August 2002
71 messages, last added Tue Nov 26 17:18:25 2002

[Date Index][Thread Index]

Re: GAS-L: feeding biomass into pressurised systems



On Sat, 3 Aug 2002 09:31:10 -0700, "Tom Miles" <tmiles@trmiles.com>
wrote:

>Andrew,
>
>You seem to have touched a nerve. :-)

Didn't mean to :-(

Let's stay out of internecine disputes and see what I can learn from
all this.

>
>Just last week I encountered  cases where individuals and companies involved
>in that project have taken the results of their experience and carried them
>further in the past five years to improve their systems. They have done that
>with investment of their own funds and energies and their activities are not
>for me to discuss here. You'll just have to take that on faith.

I am happy to do this, I have an ongoing bad experience with research
based on an original idea of mine, it may yet get to fruition.
>
>It's far more productive to move on and explore or revisit the variety of
>technical solutions that we have available, as you are attempting to do.
>You've listed a number of feeding options and concepts. Each have been
>tested in various forms at both the small and large scales. Some are
>still under development and testing by various entities and all merit
>further discussion.

OK but what is your opinion? 

The screw and extrusion type options seem power hungry to me, as they
induce a lot of friction, augering from a sealed hopper has flash back
worries, a double bell hopper has shutting problems but a hybrid seize
and bell hopper looks cheap and promising to me, also allows gravity
to do the work. I also like the idea of a bolt and chamber device as
the leakage path is only open instantaneously.

AJH

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