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| Gasification Archive for August 2002 |
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| 71 messages, last added Tue Nov 26 17:18:25 2002 |
[Date Index][Thread Index]
Re: GAS-L: More Re: GAS-L: feeding biomass into pressurised systems
Dear All
If anybody needs a highpressure biomass feeder TK Energy in Denmark have developed one that can feed against 40 bar.
It is a single stage piston feeder. We have tested solutions up 4 tons pr hour. (the Værnamo plant size) and expect to be able to feed up 10 pr hour in one line.
We have a feeder where all biomasses can be tested against 40 bar and everybody are velcome to come and see and touch and test it.
More information is available at
Thomas Koch
TK Energi AS
Stationsvej 4
4621 Gadstrup
Denmark
Phone +45 46191554
Mail tk@tke.dk
----- Original Message -----
From: "Tom Reed" <tombreed@attbi.com>
To: <andrew.heggie@dtn.ntl.com>; "gasification" <gasification@crest.org>
Sent: Wednesday, August 07, 2002 2:28 PM
Subject: GAS-L: More Re: GAS-L: feeding biomass into pressurised systems
> Dear All:
>
> I spent 5 years of my valuable life and 5 million of your valuable tax
> dollars developing a high pressure oxygen gasifier at the Solar Energy
> Research Institute (1980-1985) now NREL. We focused primarily on the
> chemistry and kinetics of the gasifier.
>
> In retrospect, if we had spent half the money on high pressure feeder
> research we would have been much farther ahead.
>
> T'aint easy and there is no single solution, but it CAN be done. Check with
> the veterans Tom Miles and others...
>
> TOM REED
>
> ----- Original Message -----
> From: "AJH" <andrew.heggie@dtn.ntl.com>
> To: <gasification@crest.org>; "Stoves" <Stoves@crest.org>
> Sent: Monday, August 05, 2002 4:35 PM
> Subject: 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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> >
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>
>
>
>
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>
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>
-
Gasification List Archives:
http://www.crest.org/discussion/gasification/200202/
Gasification List Moderator:
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www.webpan.com/BEF
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Other Gasification Events and Information:
http://www.bioenergy2002.org
http://www.crest.org/articles/static/1/1010424940_7.html Bioenergy
http://www.crest.org/articles/static/1/1011975339_7.html Gasification
http://www.crest.org/articles/static/1/1011975672_7.html Carbon
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