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Simatek

Posted on 16. Apr. 2007 - 09:17

Hi, had no experience on vertical screw conveyors but have you thought of using a pendulum bucket elevator. This provide a unique modular design and at such a small capacity may prove relatively inexpensive - I think their website is www.simatek.dk ■

Re: Vertical Transport Of Wood Pellets

Posted on 26. Apr. 2007 - 03:48

Steep incline & vertical screws generally must run fairly fast meaning product degradation will occur.

Consider a small skip hoist which dumps into a hopper with a feed screw at the top end. At 100 kg/hr the skip will only make a trip every 2 hours or so. ■

Re: Vertical Transport Of Wood Pellets

Posted on 26. Apr. 2007 - 04:26

Originally posted by Rol-bi

Does anyone have experience with vertical screw transport of wood pellets with diameter 6-8mm x 15-20mm long for a smaller furnace plant? Capacity less than 100 kg/h.

How much will break into dust?

Shaft or shaftless helix screw?

Rgds Rolf Birketvedt



use a small bucket elevator with canvas pockets for dry pasta and you will have no significant losses.

Another excellent option with small cost is a little giant elelvator for grain-less time needed for set up and operation-

if you have the room for a small inclined elevator.

Install a set of low bin limit and high bin limit switches/mercury tilt switches/ and you will have no problems ■

Re: Vertical Transport Of Wood Pellets

Posted on 20. Jun. 2007 - 10:44

Thanks for all answers.

I have now installed a new Norwegian technology based on a vertical helix conveyor for wood pellets and it works really well. It works gently an no pellets are crushed to dust. It also gives exact dosage to the pellet burner.

The working principle is completely different to a normal vertical conveyor with helix, however. ■

Re: Vertical Transport Of Wood Pellets

Posted on 21. Jun. 2007 - 03:54

Originally posted by Rol-bi

Thanks for all answers.

I have now installed a new Norwegian technology based on a vertical helix conveyor for wood pellets and it works really well. It works gently an no pellets are crushed to dust. It also gives exact dosage to the pellet burner.

The working principle is completely different to a normal vertical conveyor with helix, however.

I take that you have an auger with out a center tube which is a tubeless ribbon. your fleet angle on the ribbon must be about 5 degrees. ■

Re: Vertical Transport Of Wood Pellets

Posted on 21. Jun. 2007 - 04:42

Originally posted by lzaharis



I take that you have an auger with out a center tube....

Possibly...

I cannot go into details on this technology unless there is a secrecy agreement. There are since 2005, 6 pilot units in successful operation in Scandinavia. It took me 5-6 years of full time research to develop this technology (patent pending) and even Professor Alan Roberts in Australia (expert on vertical conveyors) has informed me that this technology is new.

I am sure that it will in 2-5 years become a standard method of small scale transport of wood pellets to smaller scale burners/boilers.

You can check my homepage:

http://www.matene.com/

and see the final product. Target markets: USA/Canada/Ukraine/Russia/UK etc. ■