[Gasification] Help - Clarification regarding biomass briquette
Robert Kana
sinan at biomassindo.com
Sun Oct 3 13:27:18 CDT 2010
On 10/3/2010 10:07 PM, Chandramouli wrote:
> Hi,
>
> What are the all the after effects when using wood chips in a down
> draught gasifier with moisture 20% to 30% ? *Haven't tried 20-30% yet,
> but we have been testing Albasia wood chips ( 127 kg/m3) at 12%, still
> there was so much moisture in hopper, I will try this week with 25%
> bamboo chips, let you know.*
>
> Its opinion ed that biomass briquettes can be used in biomass
> gasifier, could some one advice which is the best briquetting process
> as under *Briquettes are made with screws pressure about 40 tons, we
> use mix sawdust merbau-mahogany, briquettes weigh 1200 kg/m3, moisture
> level 7-8%. If you want I can send you some briquettes, you can try, I
> assume you are in Indonesia, I am in Purworejo. Briquettes are
> costly to use in gasifiers, briquette charcoal would be more fiziable,
> since we sell broken briquette charcoal almost same price as the
> briquettes. *
>
> * Multi variable biomass briquettes ( Rice husk, saw dust,
> groundnut shell ) or Individual biomass briquettes can be used*
> Yes they can be made briquettes but costly. We are working on a
> system it would make briquettes from household garbage to use in
> gasifiers. Main purpose is to dry the waste.
> *
>
>
> Under what conditions could flame or burning be experienced in down
> draught gasifier when in operation using wood chips. *I really don't
> understand the question. Once you fire the wood chips in gasifier, you
> have flame and and char in almost instant with blowers. We get wood
> gas in 2-3 minutes*, but actually takes about 30 minutes to get the
> gasifiers heated and really clean gas.
>
> *Robert, *
> *Pt. Biomass Energy*
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