The laboratory DriZzleR produces its first electricity on woodchips fuel.

Hello Fellow DriZzleR's,

Finaly arrived at the point where "The laboratory DriZzleR" was complete and fully functionable. On woodchips he produced electricity for several hours.
However it went no flawlesly. We learned a lot from numerous small problems we had to solve on the fly. But I guess that is the purpose of a laboratory model.
Now We have arrived so far, the laboratory period can be closed and we can move to the next step, making a real prototype.
As I dokumented in the past every move I made I will do so in the future, so stay tuned and subscribe to our blog.
Here is the link with the video.
Thanks for watching and please comment.

Luk

Short update -> CHP testrun / Kurzes Update -> BHKW Testlauf

Today there is a quick update from my wood gasifier system. The DriZzleR now has over 300 hours on the clock. He mostly works only in short periods of 3-5 hours per day. Today, the auger drive made ​​problems. By sawdust the screw was blocked. This means that only a few pellets were transported. And the DriZzleR burned empty. It must be installed a screen in the supply container under the screw. Thus, the sawdust will be seperated. If you would let the auger run straight there should not be any problems with the sawdust. Were tested today the new carburetor control and heat transfer to the buffer memory.
The new Gasifier Control and the heat transfer to the buffer had been tested. Overall, the results so far are pretty good. Further tests will show how it behaves in long-term operation. First, the pool must be build up. Then the heat can be better stored in test mode. Currently, it is warm in Europe. And heat is not really needed at the moment.

Heute gibt es ein kurzes Update, von meinem Holzvergaser System. Der DriZzleR hat mittlerweile über 300 Stunden auf dem Buckel. Er arbeitet meistens nur in kurzen Betrieb von 3-5 Stunden pro Tag. Heute machte der Schneckenantrieb Probleme. Durch Sägemehl war die Schnecke blockiert. Dadurch wurden nur noch wenige Pellets transportiert. Und der Vergaser brannte leer. Es muss also ein Sieb im Vorratsbehälter unter der Schnecke montiert werden. Damit wird das Sägemehl ausgeschieden wird. Wenn man die Schecke allerdings gerade verlaufen lassen würde dürfte auch der Sägemehlanteil keine Probleme verursachen.
Die neue Vergaser Steuerung und die Wärmeübertragung zum Pufferspeicher wurden getestet.Insgesamt sind die bisherigen Ergebnisse ziemlich gut. Weitere Tests werden zeigen wie es sich im Langzeitbetrieb verhält. Erstmal muss der Pool aufgebaut werden. Dort kann dann die Wärme besser im Testbetrieb abgegeben werden. Momentan ist es warm in Europa. Und heizen ist im Moment eigentlich nicht nötig.

Flaring the "The Mini DriZzlR" for the first time.

The very first flaring of the small DriZzleR I just build some day's ago in two hours. I was confident it would flare, but surpriced by the amount of gas it produced. I think apart from a toy and a learning tool, with some tweaking this small simple unit can good serve in preppers and emergency situations.
IMPORTANT WARNING. WOODGAS IS POISENING AND DANGEROUS. iF YOU DO NOT KNOW WHAT YOU ARE DOING DO NOT EVEN BUILD. BY COPY OR BUILDING YOU TAKE FULL RESPONSEBILITY;

A simple DriZzleR, to learn - Ein einfachigen DriZzleR, zum lernen

Hi Fellow DriZzleRs,

I get mails from people who want to know the last little detail; how a DriZzleR is build and what its specific measurements are. This questions are difficult for me to answer because, the DriZzleR is still a work in progress and I changes and adapt my actual gasifier constantly. But then again I thought,  When I can not give fisch I can give a fisching rod, so enthousiasts can have a first start and from there on with their own creativety can develop their DriZleR concept further.
So here is a video of a very simple build, that can be put together in some two hours, and gives you the opprtunity to start DriZzling inmediatly after.
Beware, this is just the gas generator, no cyclone, no cooler, no filter and so on. You can find a lot of information on those items elswhere.
I have not yet flared this little unit myself so I do not know how it preforms, but how it preforms is not important at this moment. The aim of this little machine is nothing more than just let you feel the magic of producing your own first gas from wood. After that you will be probably been hooked and able to go your own way further.
Enjoy the build and the flaring.
Here comes the video

 

 

Succes!!

Luk

Automatic DriZzleR on woodchips

Hello fellow DriZzleRs,

I just uploaded a video with a demonstration of another automatic DriZzleR. The first was (Pascal's unit on pellets, this one works solomly on woodchips). The video show a still very rudimental laboratory set up, but one can clearly see in what direction we are going. The ultimate goal is a fully automatic cogeneration- unit on woodchips for heating and energy.

Thank you for watching.

Luk

Hello Fellow DriZzleRs

So far I only did fundamental DriZzling testing, trying to understand as much as possible what was going on in the DriZzleR. Acordingly I would then refine and improve the DriZzlet Method and my DriZzleR gasifier.
Up until now the unfltered flare was my guide. If I could get as good as possible unfilterd gas then, filtering would be easyer.
My DriZzleR is not a small unit. It is capable to dyliver enough gas to get a V8 engine running. This of cours unfilterd. The poblem with filtering is that filters get into the gasstream and slow down and block the easy gasflow.
The trick is to find an effective but still good breathing filter wich create minimal suction loss, this to able also smaller engines to pull enough on the gasifier to maintain the minimal fuel flow for keeping the DriZler going.
Bigger engines again can pull too much if the filter is too air transparant. Then it can be difficult to keep the DriZzle zone at a steady level.
Fortunatly a DriZzleR gasifier has a very wide pull range. Pascal tested and drove with the same gasifier succesfuly a small honda generator as well as a bigger 1.6litres VW car engine.
People who remenbered the painfull calculations to adapt an Imbert style gasifier for a specific engine, will find this a relieve.
I started my first search for a good filter with overkill. My concern was getting as clean gas as possible. An earlier catastrophy test with a bucket full of woodchips as filter/cooler/condesing medium went wrong. The gas did not cooled enough and the bucket chips smothered and burned inside and created a sort of exstra updraft gasifier and out of my blower spit a fountain of tar. One can still see the Black Goo on my blower.
My second choise are cokes coles now having a very porious surface. I added a ceramic wool filter too.
In this video the filtering result. Good gas but too much underpressure. In next test I will  slowly take away filter media to find the ideal compromise between good filtering and least resistance.

Thank you for watching and I will be gratefull for every comments, or explanation on how your filter works.

Luk

MicroGaser´s DriZzleR Part 3

Microgaser did some changes ​​to his DriZzleR. He now uses a 70mm tube with a length of 300mm. The tube is around insulated with ash. However, there are still some air holes in the outer tube so that the flame is slightly worse than they should be. We are excited to see how the flame looks like seal the air holes. Here are the pictures and the videos from the test run.  

The original article in German can be found here:

http://www.holzgibtgas.com/viewtopic.php?f=60&t=8000&start=30#p93366

Here are the unfiltered flames:

Here you can see the air holes are located under the insulating layer. Otherwise, would not glow the complete ashes.