[Gasification] Two Engines One Gasifier

linvent at aol.com linvent at aol.com
Tue Mar 31 13:46:23 CDT 2015

 It is not a problem to fuel two engines off of one gasifier. It would be similar to that of fueling two engines on one natural gas feed line. Several steps make it easier, to measure the gas heating value continuously which can be done relatively inexpensively less than $300-500, and to maintain a fixed gas pressure in the gas line from which the gas is supplied to the engines.?
Leland T. "Tom" Taylor
Thermogenics Inc.?

-----Original Message-----
From: Doug Williams <doug.williams.nz at gmail.com>
To: Discussion of biomass pyrolysis and gasification <gasification at lists.bioenergylists.org>
Sent: Sun, Mar 29, 2015 9:30 pm
Subject: Re: [Gasification] Two Engines One Gasifier

Hi Jeff, 
The easiest way is to set up a controllable blower on the air intake of 
the gasifier. You then have a control ball valve to both engines 
(hopefully the same type and size). The fan cannot blow more than is 
let out through the valves, but should blow enough to start each engine 
on no load. It takes a bit of fiddling to get the first start up 
sorted, but then turn off the fan, open the valves fully, and apply the 
load to the max.  
The gasifier should be able to run only one engine if the load drops 
below the max output of just one engine, so turn one engine off. If you 
find the oxidation temperature and colour dropping down to below a 
healthy incandescence on the one engine, you will need to increase the 
air velocity by using a slightly smaller air nozzle bore size. 
Hope this may be of some assistance. 
Doug Williams, 
On Sun, 29 Mar 2015 20:47:47 -0400 
Jeff Davis <jeffdavis0124 at gmail.com> wrote: 
> Dear List, 
> Is it practical to fuel two engines with one gas producer? I think a check 
> valve in each fuel line would be needed but would it be a problem to get 
> the second engine running? My system would consist of a charcoal gas 
> producer with two 6.5hp engines. 
> Thanks, 
> Jeff 
> ______________________________________________ 
> "Once an owner has got used to charcoal gas he will never revert to the 
> more expensive fuels", Geo Bray 
Doug Williams <Doug.Williams.nz at gmail.com> 
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