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</o:shapelayout></xml><![endif]--></head><body lang=EN-ZA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Doug,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I have seen photos on your website of multi-engine operation driving a central shaft to a single generator. So I know you have done it. We have a small design that goes nominally up to 40kW as this is the largest petrol engine we can reasonably find – 7 litre V8. I guess putting two of them in parallel would be manageable as well. I would be squeamish about the start up though.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Tom,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>You mention an instrument to measure the heating value… Can you elaborate as I can see it being a fantastic tool. Is it an inline sensor such as a lambda sensor?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Kind regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Rex<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'>Rex Zietsman</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Principal Consultant<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Pr Eng, BSc Eng (chem), MBA</span></b><b><span lang=FR style='font-size:8.0pt;font-family:"Calibri",sans-serif;color:black'> </span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Mobile: </span><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>+27 82 457 7311</span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Fax: +27 86 726 7028</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Email: </span><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:#2F4F42'> </span><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'><a href="mailto:rex@whitfieldfarm.co.za"><span style='color:black'>rex@whitfieldfarm.co.za</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:black'>Website: <a href="http://rex370.wix.com/whitfieldconsult" target="_blank"><span style='color:black;background:#F4F4F4;text-decoration:none'>http://rex370.wix.com/whitfieldconsult</span></a> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> linvent@aol.com [mailto:linvent@aol.com] <br><b>Sent:</b> 31 March 2015 08:46 PM<br><b>To:</b> gasification@lists.bioenergylists.org<br><b>Subject:</b> Re: [Gasification] Two Engines One Gasifier<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>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. <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Sincerely,<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Leland T. "Tom" Taylor<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Thermogenics Inc. <o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>-----Original Message-----<br>From: Doug Williams <<a href="mailto:doug.williams.nz@gmail.com">doug.williams.nz@gmail.com</a>><br>To: Discussion of biomass pyrolysis and gasification <<a href="mailto:gasification@lists.bioenergylists.org">gasification@lists.bioenergylists.org</a>><br>Sent: Sun, Mar 29, 2015 9:30 pm<br>Subject: Re: [Gasification] Two Engines One Gasifier<br><br><o:p></o:p></p><div id="AOLMsgPart_0_b22ce6f3-2297-42f4-9d99-cfb10ef5a1e8"><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:9.0pt;font-family:"Tahoma",sans-serif;color:black'><o:p> </o:p></span></p><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Hi Jeff, </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>The easiest way is to set up a controllable blower on the air intake of </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>the gasifier. You then have a control ball valve to both engines </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>(hopefully the same type and size). The fan cannot blow more than is </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>let out through the valves, but should blow enough to start each engine </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>on no load. It takes a bit of fiddling to get the first start up </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>sorted, but then turn off the fan, open the valves fully, and apply the </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>load to the max. </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>The gasifier should be able to run only one engine if the load drops </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>below the max output of just one engine, so turn one engine off. If you </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>find the oxidation temperature and colour dropping down to below a </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>healthy incandescence on the one engine, you will need to increase the </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>air velocity by using a slightly smaller air nozzle bore size. </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Hope this may be of some assistance. </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Doug Williams, </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Fluidyne. </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>On Sun, 29 Mar 2015 20:47:47 -0400 </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Jeff Davis <<a href="mailto:jeffdavis0124@gmail.com">jeffdavis0124@gmail.com</a>> wrote: </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> Dear List, </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> Is it practical to fuel two engines with one gas producer? I think a check </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> valve in each fuel line would be needed but would it be a problem to get </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> the second engine running? My system would consist of a charcoal gas </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> producer with two 6.5hp engines. </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> Thanks, </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> Jeff </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> ______________________________________________ </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> "Once an owner has got used to charcoal gas he will never revert to the </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>> more expensive fuels", Geo Bray </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>-- </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Doug Williams <<a href="mailto:Doug.Williams.nz@gmail.com">Doug.Williams.nz@gmail.com</a>> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>_______________________________________________ </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>Gasification mailing list </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>to Send a Message to the list, use the email address </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'><a href="mailto:Gasification@bioenergylists.org">Gasification@bioenergylists.org</a> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>to UNSUBSCRIBE or Change your List Settings use the web page </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'><a href="http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org</a> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'>for more Gasifiers, News and Information see our web site: </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><pre style='background:white'><tt><span style='color:black'><a href="http://gasifiers.bioenergylists.org/" target="_blank">http://gasifiers.bioenergylists.org/</a> </span></tt><span style='color:black'><br><br><tt><o:p></o:p></tt></span></pre><p class=MsoNormal style='background:white'><span style='font-size:9.0pt;font-family:"Tahoma",sans-serif;color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div>
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