[Stoves] Work for 2018

[Crispin Pemberton-Pigott]

Dear Frank

This makes perfect sense. Anything that created a predictable fuel, being long, thin, dry sticks of standard proportion, or pellets with known properties, permits the development of a suitable very high performance stove to consume it.

In the same manner, liquid fuels are carefully created to have predictable and consistent properties so that appliances can be designed (usually) to burn it properly. There is nothing inherent about a fuel being solid that prevents it being prepared to meet tight characteristics.

I was looking at some ‘shiny’ coal briquettes in Beijing last week that were similar to a product tried in Ulaanbaatar in 2008. It is a roller-pressed oval, quite thin with a ‘waist’. 21 grams. It is just the right shape to slide easily in a hopper, to prevent bridging. If that was available in a 10 gram version it would be ideal for domestic stoves. Similarly a 15-20mm pellet has shown to be pretty good in a 10-20 kW stove (natural draft).  The smaller pellets 6-8mm are very good in furnaces but they require fans because they burn a small mass rapidly, not a large mass slowly.

Regards
Crispin


Dear Stovers,



The Pellet Fuel Institute is a fine example of proper use of a biomass fuel. They have the test methods, certified labs and fuel requirements for the pellets to be used in pellet stoves. If we were to market clean burning pellet stoves to a receiving site we would need to include a pellet making machine and make sure there is available the proper feedstock that results in the quality pellets required.
 We need to do the same with our other biomass stoves. Write up the requirements for the biofuel to insure clean combustion, develop methods to measure them, certify labs to  test them and make sure the receiving site has the biomass suitable and a program in place to prepare and distribute the proper fuel for the stoves being used. A lot of work and Cecil will be busy preparing the people at the receiving site for the changes.
 I’m thinking people collect the biomass and deliver it to a location where its dried and prepared for stove use. Then deliver it where needed.
 The requirements for TLUDs will be different and requirements for briquette stoves different still. Biomass that is found to burn clean need be tested until we come up with limits for each stove classification. Perhaps for each stove depending how unique they are. So there is a lot of work to be done before we take them into the field.
 It may seem impossible but I see no other way that we can insure an improvement of air quality and most efficient use of fuel.

Regards

Frank


Frank

Frank Shields
Gabilan Laboratory
Keith Day Company, Inc.
1091 Madison Lane
Salinas, CA  93907
(831) 246-0417 cell
(831) 771-0126 office

franke at cruzio.com<mailto:franke at cruzio.com>



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