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Author Topic: Gasification wood boiler build  (Read 40814 times)

jackel440

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Re: Gasification wood boiler build
« Reply #75 on: November 24, 2010, 07:59:15 PM »

quik-vw, That sounds awesome having the pres come to the school.
He stopped by a local grade school on his way to our plant.Very memorable for all those kids and teachers when the limo stopped in the middle of the street and he got out ,and came over to them.
I will be back on the boiler after my mid day family get together if I can move! :o
I did get a call from my friend at work,and he has ordered all my pumps valves and underground pipe.plus my plate exchanger and some other stuff.I have to go pick it up saturday morning.So it looks like I will be on a road trip up north to get that stuff.
So sit tight and maybe if your all good I will have some pics to post.LOL! ;D
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jackel440

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Re: Gasification wood boiler build
« Reply #76 on: November 25, 2010, 07:30:01 PM »

I managed to get a little bit done tonight.I engineered as I went to try and get my damper assembly together,and I must say it turned out to be a success.I have to make a few more pieces to finnish it up all the way,but I did have it under power.Sure did open and close real nice.
this box will mount on the back of the boiler.The fan mounts to the bottom.When the controller kicks the the boiler on.It will open the damper ,and start the fan.when the water temp gets to the set point.The fan shuts off ,and then the damper closes to seal off all air.
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #77 on: November 25, 2010, 07:31:26 PM »

another shot of the damper actuator mounted.
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #78 on: November 25, 2010, 08:03:05 PM »

Here is a little video I took of the damper in action.I have to say it works pretty good.
Belimo Damper actuator mounted to damper in airbox for wood boiler
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jackel440

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Re: Gasification wood boiler build
« Reply #79 on: November 28, 2010, 06:46:36 PM »

Well I didn't get near what all I wanted to get done.Dang family get togethers and black friday :bash:
I did run up to Shipshewana and pick up my underground pipe,valves,fittings,rope seal,water treatment,and some other stuff.They didn't have my pumps in stock or the wye strainers.Going to ship those to me.
I did get the damper box tacked onto the back of the furnace.Then tonight I started laying brick into the gassification chamber. :thumbup:
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #80 on: November 28, 2010, 06:51:09 PM »

Some more hard brick installed :thumbup:
 :pic:

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macmgfd

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Re: Gasification wood boiler build
« Reply #81 on: November 28, 2010, 09:37:50 PM »

Jackel, I to am getting ready to build a gasification boiler. I am finishing up the planning stages but I have a lot of ideas that are similar to yours. So if you don't mind I may hit you up about some of your ideas. What is the purpose of your thermo couple in the secondary burn chamber?
I was also thinking of a damper similar to yours but with a different actuator but I am a little worried about it leaking air around the shaft where it pivots. What is your thinking on that?
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jackel440

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Re: Gasification wood boiler build
« Reply #82 on: November 29, 2010, 07:57:16 PM »

Jackel, I to am getting ready to build a gasification boiler. I am finishing up the planning stages but I have a lot of ideas that are similar to yours. So if you don't mind I may hit you up about some of your ideas. What is the purpose of your thermo couple in the secondary burn chamber?
I was also thinking of a damper similar to yours but with a different actuator but I am a little worried about it leaking air around the shaft where it pivots. What is your thinking on that?

OK first off.The thermocouple in the secondary chamber has 2 uses.1st is I hope that I can control the burn by tuning the amount of air going to the lower chamber with some plates witch I have not yet fabricated.I hope that I can tune the gassifying chamber to get the most efficiancy out of it.2nd is it will be cool to see what temp I actually get.
Now on the shaft I have a seal to keep any air from getting past the shaft.The shaft only goes the side of the box the damper is on.the other end sits in a bracket thaat is welded inside.I made a lock collar that goes on the shaft to go on the other side of the box to keep the shaft in the proper location.Now on that collar I welded a pipe coupler to one side.that side goes up against the inside wall of the air box.I stuffed the area between the shaft and the coupler with rope seal.Then slid the lock collar assembly up against the wall and locked down the set screws.wallah!no air leakage....
I am taking a break ,but am going back out to the shop.temp got into the 50's so I am working all night on as much as I can get done.I have quite a few pics so far.So either I will get some up tonight or tomorrow.Later...... :thumbup:

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jackel440

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Re: Gasification wood boiler build
« Reply #83 on: November 29, 2010, 10:19:50 PM »

my underground pipe.I was going to make my own.I could get the price down to $3.80 ft if I did it myself.I got this for $3.20 a foot.Cheaper plus I didn't have time to make my own.
Then there is my pump flanges with shut offs,and some ball valves,and the rope seal.Oh and there is a Watts mixing valve also.
I got the upper level floor in tonight also.....
 :pic:
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jackel440

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Re: Gasification wood boiler build
« Reply #84 on: November 29, 2010, 10:22:27 PM »

 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #85 on: November 29, 2010, 10:30:19 PM »

The big brown truck finally delivered my water level switch. :thumbup:
I picked it from HGR sales which is an Industrial overstock seller.I bought my Taylor Dunn flatbed from them.They have lots of cool stuff.
I had to cut the float arm down to get it in my tank where I wanted it.I had to weld half of a 2 1/2" union to the side of the tank for the switch to thread into.
This switch is going to work nicely for what I have planned for it. ;)


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jackel440

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Re: Gasification wood boiler build
« Reply #86 on: November 30, 2010, 08:49:49 PM »

A little more brick work done tonight.I had to take the wife to get some teeth cut out today.SO she was drugged up .I didnt get much done ,but what I did get done was needed to be finnished.I rigged up my circular saw with a diamond blade to cut my bricks.worked out pretty good too.I did learn that a spray bottle with water  spraying on the blade every now and then made a world of difference.
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #87 on: December 01, 2010, 03:34:42 AM »

Here is a little video of me cutting one of the hard brick for the boiler :thumbup:
Cutting refractory brick
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bikeralan

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Re: Gasification wood boiler build
« Reply #88 on: December 01, 2010, 04:56:18 AM »

Lookin good!, looks like your getting closer. On your last pic of the brickwork, what ia the white filler on the sides? expansion joint? or just filler?
Hope the wife is doing okay, I would as soon take an ass kicking as go to the dentist lol
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jackel440

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Re: Gasification wood boiler build
« Reply #89 on: December 01, 2010, 06:43:57 AM »

My wife is doing really good.she was up last night and ate dinner then got on the computer.I also hate going to the dentist myself.thank goodness for drugs!
The white material is K-wool insulating blanket.I forget the temp rating on it off the top of my head.I decided to line the upper secondary chamber area to keep the heat in the firebrick.that way the stove would gassify quicker upon start of a burn cycle.I think if the brick was mortared right to the steel it would pull the heat right out of the brick too quickly while it was idling.I guess we shall see what happens when it is running.
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