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1
General Outdoor Furnace Discussion / Aqua Therm and Wood Boiler
« on: February 11, 2016, 03:00:06 PM »2
Wood Boiler USA, LLC / Blaze HE usage results
« on: October 19, 2015, 12:06:51 PM »
Guys I want to pass along some testing results from the Blaze HE, I finally gave in and swiched completely from the conventional units to a Blaze HE unit.
I can tell you I tested this unit for years before making the switch here is results:
If you burn dry and seasoned wood the results are amazing, I compared my usage from years of using the conventional to the new Blaze unit, i am using less than half.
That is the good the bad is the smaller the split wood i think the better, the amount of ash removed per week is maybe a half gallon or less. The larger the pieces the larger the amounts of ash from what i can tell a 2x4 size seems to about the best to a 4x4. Much larger and more ash.
So this means more splitting of wood i switched my spliter to a 4 point spliter to cut the strokes in half.
I burn it out once a week to clean the chambers. It takes about 15 minutes i use a shovel and an ash vac makes the process pretty painless.
Those are my results having had both types of units.
I can tell you I tested this unit for years before making the switch here is results:
If you burn dry and seasoned wood the results are amazing, I compared my usage from years of using the conventional to the new Blaze unit, i am using less than half.
That is the good the bad is the smaller the split wood i think the better, the amount of ash removed per week is maybe a half gallon or less. The larger the pieces the larger the amounts of ash from what i can tell a 2x4 size seems to about the best to a 4x4. Much larger and more ash.
So this means more splitting of wood i switched my spliter to a 4 point spliter to cut the strokes in half.
I burn it out once a week to clean the chambers. It takes about 15 minutes i use a shovel and an ash vac makes the process pretty painless.
Those are my results having had both types of units.
3
Wood Boiler USA, LLC / Wood Boiler Pellet Burning Boiler
« on: May 13, 2015, 09:00:26 PM »
Our latest creation just finished testing and passed with flying colors.
In the cat 4 test we actually test 86% effecient.
Anyways we wanted to start the announcemnt process today
In the cat 4 test we actually test 86% effecient.
Anyways we wanted to start the announcemnt process today
4
General Outdoor Furnace Discussion / Re: Does anyone know where to get this seal?
« on: January 27, 2015, 05:09:46 AM »
Looks like someone was trying to copy our E4 model, the gasket is called a tabpole style.
Where is it located?
Where is it located?
5
General Outdoor Furnace Discussion / Re: Octagon firebox/water cooled door
« on: March 02, 2014, 08:39:59 AM »
Interesting.
Scott I have never seen anything as such but I have never really paid much attention to others on the market.
It takes thousands of hours in development to continue to build new products which leaves little time for much else.
It is an interesting concept never considered that myself. Though I would think whatever metal that is exposed to the heat would be at warp risk unless it is covered with a refractory material regardless of the insulation in between the outside and inside. Such as our E4 model has access to the secondary we utilize refractory to intensify the burn line. I think the same concept would apply to a main door if it was exposed to high heat situations. The maximum heat from a straight wood fire is in the 1200 range though same claim up to 1400 personally never measured that hot usually in the 1100 range, either is certainly enough to soften steel with a possible warp effect on cool down. In the gasification models we have seen around 2000 degrees with this much heat i would think it would be at risk of burn through but i never saw that occur even with several hundred hours of testing see you have to leave certain areas exposed to insert probes to measure items such as temp this you do not do in production models but it is part of the development process.
I would have to look at the reflection material properties of the materials you mentioned compared with the inside exposure temp at peak minus the heat loss to determine outside exposed material temp or you can do it by trial and error which is the industry norm. I would guess the inside piece of steel would be exposed to temps that could lead to warp but the outside is not thus the outside frame acts a jig that prevents the warp. I tend to prefer in those situation not exposing the interior piece of steel to that exposure and cover it with refractory and eliminate the chance from the beginning.
Now you take the downdraft units this very much becomes a non issue because the main doors are not exposed to nearly as much heat because of the design of the boiler. Heat never really reaches the door certainly not in the same way as older style units. So I would think on these units nearly most insulation material would work just as well because the temp exposure would be much less.
Interesting topic
Scott I have never seen anything as such but I have never really paid much attention to others on the market.
It takes thousands of hours in development to continue to build new products which leaves little time for much else.
It is an interesting concept never considered that myself. Though I would think whatever metal that is exposed to the heat would be at warp risk unless it is covered with a refractory material regardless of the insulation in between the outside and inside. Such as our E4 model has access to the secondary we utilize refractory to intensify the burn line. I think the same concept would apply to a main door if it was exposed to high heat situations. The maximum heat from a straight wood fire is in the 1200 range though same claim up to 1400 personally never measured that hot usually in the 1100 range, either is certainly enough to soften steel with a possible warp effect on cool down. In the gasification models we have seen around 2000 degrees with this much heat i would think it would be at risk of burn through but i never saw that occur even with several hundred hours of testing see you have to leave certain areas exposed to insert probes to measure items such as temp this you do not do in production models but it is part of the development process.
I would have to look at the reflection material properties of the materials you mentioned compared with the inside exposure temp at peak minus the heat loss to determine outside exposed material temp or you can do it by trial and error which is the industry norm. I would guess the inside piece of steel would be exposed to temps that could lead to warp but the outside is not thus the outside frame acts a jig that prevents the warp. I tend to prefer in those situation not exposing the interior piece of steel to that exposure and cover it with refractory and eliminate the chance from the beginning.
Now you take the downdraft units this very much becomes a non issue because the main doors are not exposed to nearly as much heat because of the design of the boiler. Heat never really reaches the door certainly not in the same way as older style units. So I would think on these units nearly most insulation material would work just as well because the temp exposure would be much less.
Interesting topic
6
General Outdoor Furnace Discussion / Re: Octagon firebox/water cooled door
« on: March 01, 2014, 09:12:54 PM »
Scott on the door warp, I am not sure what your mean by insulation, I think you are referring to the refractory material? Which is a non issue with our boilers.
7
General Outdoor Furnace Discussion / Re: Octagon firebox/water cooled door
« on: March 01, 2014, 09:03:57 PM »
I would think any steel door would risk warping without water in it because of heat unless a couple of factors one doors with inducers tend to be cooler because the air is injected front to back but they still get pretty darn hot, I have run ours without water more as a curious factor. Never warped but certainly would not want to touch. The heat loss to be far outweighs the risk.
Safety, I felt I could not teach every kid that might visit my daughter or close by kids. Just always and still do feel that is the reason, I built the water cooled door. The return water is sent through the door so it tends to be cooler than the rest of the boiler in general.
Octagon this applies to conventional style boilers
1. Round boilers provide about the best overall ability to feed the wood to the central fire however the center point at the top is the largest area of heat transfer in this design all you have to do is look at the thermal images to see this looks like about a 3-4 inch strip.
2. Square top boilers provide the largest heat transfer actually these provide the greatest surface area to transfer heat however keeping them burning is harder they tend to burn the center out leaving the side wood unburnt. Again a pretty nice and even transfer across the surface.
3. Octagon provides a mix of the 2 giving us larger heat transfer surface area whilst giving it a self feeding effect. This is why.
And if you are curious yes built and tested about every design type you can think of the octagon worked about the best in my opinion from durability to usability.
The downdraft units are a complete different ballgame.
Safety, I felt I could not teach every kid that might visit my daughter or close by kids. Just always and still do feel that is the reason, I built the water cooled door. The return water is sent through the door so it tends to be cooler than the rest of the boiler in general.
Octagon this applies to conventional style boilers
1. Round boilers provide about the best overall ability to feed the wood to the central fire however the center point at the top is the largest area of heat transfer in this design all you have to do is look at the thermal images to see this looks like about a 3-4 inch strip.
2. Square top boilers provide the largest heat transfer actually these provide the greatest surface area to transfer heat however keeping them burning is harder they tend to burn the center out leaving the side wood unburnt. Again a pretty nice and even transfer across the surface.
3. Octagon provides a mix of the 2 giving us larger heat transfer surface area whilst giving it a self feeding effect. This is why.
And if you are curious yes built and tested about every design type you can think of the octagon worked about the best in my opinion from durability to usability.
The downdraft units are a complete different ballgame.
8
Wood Boiler USA, LLC / Re: Brand new wood boiler Extreme owner
« on: February 28, 2014, 02:49:31 PM »
We are location in Lebanon, IN
9
General Outdoor Furnace Discussion / Re: Conventional to gasser wood consumption reduction
« on: February 28, 2014, 02:47:18 PM »
we see about 40-50% less wood in the gasification compared to the older models.
However you are going to need you wood in fireplace form and it needs to be seasoned and dry.
I believe for most of the EPA approved models this is going to be true.
The older boiler if I could lift, roll or push it in that it would eat it up.
However you are going to need you wood in fireplace form and it needs to be seasoned and dry.
I believe for most of the EPA approved models this is going to be true.
The older boiler if I could lift, roll or push it in that it would eat it up.
10
General Outdoor Furnace Discussion / Re: Octagon firebox/water cooled door
« on: February 28, 2014, 02:42:04 PM »
I can answer a very specific question about doors since I am the designed of Wood Boiler LLC. When I built the first boiler I had a very specific safety requirement. I did not want my small girls to touch the door and get third degree burns when I was not home and they were playing in the backyard. All other benefits are just a bonus. Warpage is funny statement because warp age occurs because of welding a water cooled door the hotter and longer the weld it is natural byproduct. Or you can use really thin metal and jig it that is another solution used by some companies.
We may be small be we have an in-depth knowledge of our products and quite frankly we have some of the best on the market.
As far as bending metal I have never witnessed a single crack in plate from a bend you have to keep in mind all manufacturers either roll or bend to reduce the number of weld points just part of the process. This in my opinion is a lack of metallurgy knowledge to say it causes cracks, this simply not the case if you understand the process.
We may be small be we have an in-depth knowledge of our products and quite frankly we have some of the best on the market.
As far as bending metal I have never witnessed a single crack in plate from a bend you have to keep in mind all manufacturers either roll or bend to reduce the number of weld points just part of the process. This in my opinion is a lack of metallurgy knowledge to say it causes cracks, this simply not the case if you understand the process.
11
Wood Boiler USA, LLC / E4 Is here and ready
« on: August 12, 2013, 01:14:36 PM »
Many states have passed regulation requiring Phase 2 Qualification.
check out our site for all info on our great product.
check out our site for all info on our great product.
12
General Outdoor Furnace Discussion / Re: OWB Spark Suppression or Spark Arrestor
« on: March 06, 2013, 09:02:35 AM »
Looks like it would work however I think the wire would burn out probably 2-3 times a year.
13
Wood Boiler USA, LLC / Re: Gasification Coming soon
« on: March 06, 2013, 08:59:52 AM »
E4 Production Ready.
Check out the website for more details.
Check out the website for more details.
14
Wood Boiler USA, LLC / Re: Gasification Coming soon
« on: October 11, 2012, 03:38:06 PM »
still going to have to have a drain.
15
Wood Boiler USA, LLC / Re: Gasification Coming soon
« on: September 04, 2012, 01:27:50 PM »
Just keep in mind anything over 83% efficient will produce condensation.
Ask anyone over this will you need a heated drain for their product to get rid of the water it is going to produce.
Funny thing about thermal transfer does not matter the fuel it condensates after this point. This is why 90% furnaces in a home need to drain into the drain not outside otherwise you will have a really nice ice mountain to deal with.
The E3 has very pretty good efficiency just under the 83% mark based upon the same standard every other furnace is rated on the some EN standard.
It will be released very soon.
Ask anyone over this will you need a heated drain for their product to get rid of the water it is going to produce.
Funny thing about thermal transfer does not matter the fuel it condensates after this point. This is why 90% furnaces in a home need to drain into the drain not outside otherwise you will have a really nice ice mountain to deal with.
The E3 has very pretty good efficiency just under the 83% mark based upon the same standard every other furnace is rated on the some EN standard.
It will be released very soon.