
Message Thread:
briquette machine -- 1 -- 
5/9

What is the best briquetting machine on the market for producing rectangular briquettes out of sawdust? Like the one's in this picture.
5/10 #2: briquette machine ...

Are they hollow in the center as they appear to be? If so you may only have one choice. I have looked at a lot of machines but have not seen that briquette design.
5/10 #3: briquette machine ...

Yes I do believe they are hollow in the center. I like this design because they seem to be easily palletized.
5/11 #4: briquette machine ...

Cannot help with a machine model, but while I understand the palletizing issue, the end user may have issues with that hollow form. The hollow log will burn much faster than a solid round one if that is important. For people looking to fuel furnaces the shape is not optimal for packing the combustion chamber for a long slow burn.
If you want to produce solid brick like units may I offer the possibility that you may be able to expand your machine search to include cement/masonary brick and block making machines. They extrude cement mixtures under presure and then wire or knife cut them to units.
5/11 #5: briquette machine ...

Would concrete block forming equipment produce enough pressure to bind the sawdust without using some time of adhesive in the mixture? From my understand, the lignin will bond sawdust together when exposed to high pressure. The hollow form isn't really important. I just like the rectangular shape since it's easy to stack on a pallet.
5/11 #6: briquette machine ...

I doubt very much that an extruder for cement or any other type of product will work for briquettes. It takes much more pressure than an open ended extruder can produce. Every briqutte machine I looked at needed a "head" to push against to produce the required pressure.
In modern wood burners or boilers with controled dampers I don't think the design of the briquette makes any difference, hollow or solid.
You are correct about lignin bonding under pressure. No additives needed. Moisture content is also an issue. From my research 12-13% mc is the best. I make briquettes in my Wiema with 8% mc dust and it works fine for my use.
Do a google search and see what you can find. Weima, Ruf, Stiles and North Tech are a few for starters.
5/11 #7: briquette machine ...

I just remembered that the machine Stiles sells is an open ended machine. It compresses against a cone shaped die thus producing an extruded briquette. I looked at it at the AWFS or IWF 2-3 years ago. Very nice machine but way too high production and priced for me. It made a round briquette.
5/12 #8: briquette machine ...

What are you planning to do with the briquettes you produce?
5/12 #9: briquette machine ...

i wouldn't burn hollow anything, needs to be solid center.
5/12 #10: briquette machine ...

Steve, Have you tried and if so, in what type of burner?
5/12 #11: briquette machine ...

I have a couple of different purposes for briquettes. We're in the process of developing a waste fired boiler that will provide steam for our vacuum kiln and produce our own current. There is also a very good market for fire starter logs. We produce a tractor trailer load about every 3 days.
5/13 #12: briquette machine ...

i haven't tried hollow brickets, burned hollow logs or logs that are punky in the center, just dosen't seem to have the same burn time as solid. i burn with a force induction outside wood burner.
5/18 #13: briquette machine ...

Check out website for Biobricks. They are rectangular solid blocks made in a Swedish briquetting machine. www.biobrick.com
5/18 #14: briquette machine ...

Website: http://weimaamerica.com
You can also look into www.weimaamerica.com
Another Briquette Mfg Option
5/18 #15: briquette machine ...

Thanks for the info! I also have several truckloads of edging strips to do something with. I would really like to have a tub grinder but they're kind of pricey. Any other ideas would be appreciated.
5/19 #16: briquette machine ...

If you use a tub grinder, you have to cut the rippings. A horizontal grinder with a vibrating conveyor can be placed next to the rip saws and no further handling/storage is required. Many good grinders available. Had good luck with Cresswood.
5/30 #17: briquette machine ...

We have used a briquette machine for a few years. Our machine is a Comafer made in Italy.
I would recommend going with a machine that has support and service in the US.
The square bricks are better and easier to store. The machines that make square usually cost more.
The hollow center should cause no problem and will probably burn better. You cannot compare briquettes to logs.
If you have a moulder the briquetter would need 200 to 250kg per hour capacity minimum to keep up. At your volume probably a lot more. At a trailer load every 3 days it might be more cost effective to go with a silo that feeds a sawdust burning boiler. The European companies bringing in briquette machines usually offer these systems also.
Hope this helps,
Joe
Briquetts
3/22 #18: briquette machine ...

Website: http://biofuelpelletmill.com
Hollow briquettes are produced by screw briquette extruder.
Here we have four models, with capacity from 80kgs to more than 300kgs per hour.
http://www.biofuelpelletmill.com/Screw-Briquette-presses.html
5/28 #19: briquette machine ...

Website: http://www.chipperanddryer.com/
I found a resource from where you can get various types of Briquetting Machines
Source: http://www.chipperanddryer.com/
View larger image
Briquetting Presses
1/6 #20: briquette machine ...

Website: http://www.radheindcorp.com/
In the Industry of Briquetting machine there are various models available for instance Jumbo-90 which would be the best choice of yours to produce the Briquette.
http://www.radheindcorp.com/
1/6 #21: briquette machine ...

Website: http://www.briquettingplants.com
The rectangular Briquette manufacturing depends on the raw materials used for the process and the technology present in it to manufacture it.
1/19 #23: briquette machine ...

Website: http://www.radheindcorp.com/
Various models of Briquetting machine are available in the market which are mainly used for production of briquette a fuel for generating energy source.
http://www.radheindcorp.com/
12/6 #24: briquette machine ...

Website: http://www.briquetter.cn
there are different types of briquette machine to make pellets, briquettes of different shape and size.
we are supplier for briquette machine. site: http://www.briquetter.cn/
6/5 #25: briquette machine ...

Website: http://www.jcdazheng.com
as for as i know , the best machine to make biomass briquettes is "plug and press" type briquette machine which is durable , efficient,etc The most important is , this kind of machine is suitable for most raw materials such as woodwaste, agri-forestry wastes, plastic ,etc. please contact me to know more details : yolandali83@hotmail.com 0086-18766117903
View higher quality, full size image (2334 X 1835)
View higher quality, full size image (800 X 600)
View higher quality, full size image (800 X 600)
10/12 #26: briquette machine ...

Website: briquettesolution.com
Below pics is the type of briquetter that can be used for briquetting with this shape.
It is also called pini-kay shape in the world somewhere.
You may find more specifications through the Maxton's website and may find other briquetter that is also useful for sawdust.
briquette machine, briquetting press
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