<div dir="ltr">Hi Tom,<div><br></div><div>Does cooling the burn reduce black carbon? Are ultra fine particles more of a problem in forced air stoves?</div><div><br></div><div>Best,</div><div><br></div><div>Dean</div></div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, May 17, 2014 at 3:36 PM, Tom Miles Easystreet <span dir="ltr"><<a href="mailto:tmiles@trmiles.com" target="_blank">tmiles@trmiles.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>Think of flue gas recirculation as a way of trimming excess air at the same burn rate while cooling the flame. The Kob boiler is nicely rigged for it. </div>
<div><br></div><div>Tom</div><div><br>T R Miles Technical Consultants Inc. <span></span><div><span><a href="mailto:tmiles@trmiles.com" target="_blank">tmiles@trmiles.com</a></span></div><div><span>Sent from mobile. </span></div>
</div><div><br>On May 17, 2014, at 9:00 AM, Crispin Pemberton-Pigott <<a href="mailto:crispinpigott@outlook.com" target="_blank">crispinpigott@outlook.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="width:100%;font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">
How is it used to lower the temperature? By interfering with the O2 supply thus reducing the burn rate? Or the efficiency of combustion? </div> <div style="width:100%;font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">
<br style="display:initial"></div> <div style="font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">
Thanks </div><div style="font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">Crispin </div><div><div>
On Fri, 16 May 2014 07:59:49 -0700,"Tom Miles" <<a href="mailto:tmiles@trmiles.com" target="_blank">tmiles@trmiles.com</a>><br>
wrote:<br>
<br>
><br>
>Stages combustion in a pellet burner can be a challenge. Most pellet burners are designed to burn the fuel and air mixture at the highest temperature which is usually in the range of 1000C- 1100C range which will melt most dirty fuels. <br>
<br>
<br>
Does anyone use exhaust gas re circulation to lower the bed<br>
temperature burning pellets?<br>
<br>
We had this on the Kob boilers which burned shredded furniture waste,<br>
but generally did not need it with G30 woodchip on the adjacent<br>
boiler.<br>
<br>
AJH<br>
<br>
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