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Author Topic: Gasification wood boiler build  (Read 122834 times)

jackel440

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Re: Gasification wood boiler build
« Reply #45 on: October 23, 2010, 09:01:00 PM »

Well since we last talked about my little project here.I decided I didn't like how a few things were looking so I cut a few things apart ,and then modified them a little. >:(
I am now back on track and got quite a bit accomplished today after work.I managed to get the 2 air passage pipes welded into the back of the burn chamber.I then finnished my piping on the back wall and put the wall on.I also welded in anti ballooning braces on the sides of the tank.
Now onto a few pics
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #46 on: October 24, 2010, 07:10:58 PM »

Well I managed to get alot done today even though it doesn't look like much.I layed out the front cutouts on the front wall for the upper and lower door chambers.I welded in the last of the anti balloning braces on the sides.Got the front wall fitted on and started weldingup all the tank seams.
I have a shot of the air pipes inside the burn chamber.I will finnish fabbing the rest of the tubing for that later.
Now what you all have been waiting for,More pics
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #47 on: October 24, 2010, 07:24:04 PM »

Here is few more misc. pics.
a pic of the kids carving thier pumpkins today.Then a shot showing where water can flow around the back of the heat exchnger trough and between the back tank wall.
 :pic:

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bikeralan

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Re: Gasification wood boiler build
« Reply #48 on: October 25, 2010, 02:06:19 AM »

Lookin good! :thumbup: , I don't know who wants to see it completed more, you or me lol. ;D
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jackel440

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Re: Gasification wood boiler build
« Reply #49 on: October 25, 2010, 06:41:04 PM »

nothing much new to report tonight other than welding alot of seams :bash:
I so hate overhead welding.Only managed to catch myself on fire once. >:(
Oh well thats all part of it.Still have alot of seams to work on tomorrow.I am grinding them back down and going over the ones that look questionable as a posible leaker.
So maybe I will have something interesting to post tomorrow
So tune in tomorrow,same time ,and same place....... :thumbup:
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tulenutn2o

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Re: Gasification wood boiler build
« Reply #50 on: October 26, 2010, 05:46:58 AM »

The craftsman is his biggest critic. :) Great job, great pics, timely updates. You are the man! :thumbup: :thumbup:
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jackel440

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Re: Gasification wood boiler build
« Reply #51 on: October 26, 2010, 06:55:23 PM »

Ok folks we had a heck of a day.Storms came through and we had to evacuate the plant to storm shelters for a tornado watch.Nothing like a couple hundred people shoved into the shower rooms. :bash:
Anyways I got home and finnished welding a few seams ,and around the heat x-changer pipes.Grinded some more ,and then finally called it good.
I then blew a hole in the bottom of the tank ,and welded in a coupler for a tank drain.(Which I will need to flush all the crap out before using it!) :thumbup:
I am just about ready to pressure check the tank.I am one ball valve short so I will pick that up tomorrow.
I hope to start building the frame for it to sit on tomorrow if I have enough material to make it out of.
Now onto a few pics......

 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #52 on: October 27, 2010, 06:38:01 PM »

Tonight was an eye opener for me :bash:
I fabricate platforms, machine parts,guarding and such everyday at work.BUT building a tank to hold water is a pain in the A##!!!!!!
I finally got the rest of the valves plumbed to the back of the tank.Hooked up a pressure guage and air line to another valve then proceeded to pressurize it to check for leaks.
All I can say is I am no pressure vessel expert.I have a lot of spots to rework.Places that should have never leaked are letting air past I was actually shocked at a few that weren't leaking though. ::)
Looks like I am going to spend the weekend with my friend the grinder ,and doing a little bit of rework.I have to admit I didn't think it would have so many spots that would pass air.Oh well,thats how it goes sometimes.
I did manage to make the air box for the back of the stove.Just need the blower so I can finnish it.
good night everyone.....
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mober

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Re: Gasification wood boiler build
« Reply #53 on: October 27, 2010, 06:44:41 PM »

thats why there is a trade for pipe fitting pipe welding :thumbup:
how many psi are you putting on it>?
and did you did 3 passes on the welds?
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willieG

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Re: Gasification wood boiler build
« Reply #54 on: October 27, 2010, 07:12:21 PM »

the style of furnace it looks like you are building has many square corners. i would not recomend much pressure at all, maybe 5 to 7 pounds any more and your square tank will try and go round.

also if you are dong position welding for this project i would hope you are using dc 7018 for good strong leak proof welds...and the rod should not be left out on the table but kept warm and dry before use

good prep is a must

aint learning the hard way more fun!
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jackel440

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Re: Gasification wood boiler build
« Reply #55 on: October 27, 2010, 07:48:30 PM »

Well I  am a Millwright ,definatly not a pipefitter.LOL!I only put about 5 to 8 psi in it.I have enough leaks that it's not going to pop. ::)
I guess it's not too bad,but just an ego buster when I thought I had this thing whipped.LOL
Wille I am using ER70 wire in a wire feeder for this project.I have to admit I didn't do much mig welding till about a year ago.As my plant just mainly had all SMAW machines.The new plant I am at has all MIG machines for us maintnance guys. :D
I had a Miller 135 I used for light stuff and bodywork.I got this wire feeder for my trailblazer for this project.It has performed really well,but just mainly me not using proper technique.I will have the leaks fixed and be back on the road here soon. >:D
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jackel440

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Re: Gasification wood boiler build
« Reply #56 on: November 03, 2010, 06:51:57 PM »

Well good news to report.I finally got all my seams sealed up.I started on making a frame for it the boiler to sit on.I wanted to get all new steel for the base,but time and money dictate I use what I have here on the farm.
I also have most all the controls and wiring worked out with a friend of mines help.I have to mount the controllers in the box and do some wiring.
Didn't take any pics tonight ,as there wasn't much to show yet.
later everyone :thumbup:
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jackel440

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Re: Gasification wood boiler build
« Reply #57 on: November 04, 2010, 07:48:57 PM »

Ok did alot of grinding old rusty channel iron,and then welded 2 pcs together to make a set of fork pockets.I then cut a 10" channel I had in half for the 2 frame rails for my boiler to sit on.I have a pic of them mocked up not welded together yet.
I then finnished making my water temp thermocouple holder.Looks kind of like a gun barrel on the end with the holes drilled in it. :D
I then have a little teaser shot of my control panel that I have been putting together.
Hope you all enjoy. :thumbup:
 :pic:

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jackel440

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Re: Gasification wood boiler build
« Reply #58 on: November 05, 2010, 07:07:39 PM »

Frame is made wth fork pockets welded in.I moved the fork pockets together from what I originally had.I was going off the dimensions of 15K # Hyster trucks carriage.I checked on a 6K# truck at work and it maxed out at 36" outside of the forks.So I went with that spacing.
I welded a 10 guage front panel to the 2 frame rails.I am holding off on putting the back panel on because I have to pick up some B-deck to slide in the bottom of the frame rails to hold in insulation and hopefully keep the mice out.
I then got the boiler lowered down onto the frame.then centered it up and tomorrow night I am going to weld it down.
Next I want to drag it outside and fill it with water.See if I got all the little leaks fixed.I got them sealed up with air in the tank,but I want to fill it with water anyways just so I can sleep at night. :o
Well anyways here is a few pics.
 :pic:


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LPK-440 wood gasification furnace
New Holland LS170
24' Titan deckover gooseneck
96' Dodge Ram 2500 V10 4x4
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jackel440

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Re: Gasification wood boiler build
« Reply #59 on: November 07, 2010, 05:24:45 PM »

well had to work over tonight so I didn't get too much accomplished.I did start fabbing the exhaust bypass box.
Hopefully more to show tomorrow night.
 :pic:

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LPK-440 wood gasification furnace
New Holland LS170
24' Titan deckover gooseneck
96' Dodge Ram 2500 V10 4x4
Stihl 025
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Stihl 041 AV
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