Wood chip Cost

My, yard has exemptions for processing and I’m going to shred it in a single shaft shredder and bag it.
I, have lots of chicken farms around me but didn’t know they used this kind of stuff.
Also, as someone said Kronospan at Chirk is about 20 odd miles away but again I don’t know much about them tbh.
I, just wanted an outlet or outlets for it after I’ve shredded it that’s all.
I’ll, listen to all suggestions gladly.
Thank you.
Will you get biomass spec out of a single shaft shredder I presume it’s a slow speed ??
 

renewablejohn

Member
Location
lancs
I, can put any size screen in but was thinking either a 30 mm or a 40 mm.
But, will be guided by the people who know.
In that case dont bother. Have not seen a shredder yet that can produce G30 or G50 grade woodchip. What you do end up with using a shredder is long slivers of wood which are ideal for jamming up the auger on your expensive biomass plant. Dont imagine you can screen out the slivers although you could try like many others who thought it would be an easy task. What your left with then is a biomass market of boilers that do not use augers. These are the bulk end of the market and will probably have there own shredders and be licensed to take any sort of biomass. Price you get from these guys will barely cover the cost of haulage.
 

Shropshire Lad

Member
Trade
Has, anyone else experienced this problem please?

I, want to gather as much experience and thoughts on it as possible.

And, yes perhaps I am being naive but I can only learn from other peoples experiences can't I?

And, if as you say that it wont work with a single shaft shredder I will need to look at alternatives or place the shred else where in other markets, who knows I certainly don't at this stage.
 

renewablejohn

Member
Location
lancs
Has, anyone else experienced this problem please?

I, want to gather as much experience and thoughts on it as possible.

And, yes perhaps I am being naive but I can only learn from other peoples experiences can't I?

And, if as you say that it wont work with a single shaft shredder I will need to look at alternatives or place the shred else where in other markets, who knows I certainly don't at this stage.
Problem you have is that chip is produced to 2 standards either G30 or G50 normally by a drum chipper or sometimes a screw chipper all using virgin material. The reason for this is that timber contaminated with nails kills chippers, Now you can rewrite the rulebook if you like but you will find it a very expensive learning curve. If you can guarantee the only pallet timber your using is heat treated then you may be able to produce briquettes but if it is at all contaminated you could incur heavy fines as others have done trying to make money out of recycled pallets.
 

Shropshire Lad

Member
Trade
Im, not trying to rewrite the rulebook Im trying to solve a problem, Im assuming that G30 & G50 is the size of the shred in mm's and a single shaft shredder is basically a drum chipper that has a screen with whatever size holes in you want 20 mm, 30 mm, 40 mm, 50 mm etc etc.
It, can shred plastics as well as wood even hard drives so nails or clips wont be a problem and I have overband magnets to remove the metals.
As, for heat treated I don't know Im no expert on pallets, I don't know if or what there treated with.
I, will of course speak to the EA regarding the points you have raised though as I dont want to break any laws.
 
One thing you have to remember with waste wood is that you need to make your first strike count as this is the most cost effective pass.. it’s when it starts to recirculate your costs will go up and up.

we used to mess about with waste wood using a slow speed, high speed and trommel all in a line… waste of time cost wise.

If I had to go back I personally would be using a American built fixed hammer high speed shredder eg Vermeer.
 

Shropshire Lad

Member
Trade
Ive, got a GAZ 105 single shaft shredder with a ram that pushes the waste against the rotating teeth and have been shredding plastic with it tbh, lumps upto 150 kg each, I have other shredders but not suitable. There, are videos of this on YouTube.
We, are starting a new job in the New Year and part of this job is a waste stream Ive never dealt with before (wood), all the other waste streams are bread & butter to us.
So, thats why Im seeking others experience.
The, Vermeer you speak of is a wood chipper by the looks of it which are usually used by tree surgeons or forestry workers I assume but as I said this is all new to us.
Im, open minded and will be guided by those who have experience in this field.
Im, not trying to reinvent the wheel just solve the problem I will have come January 2022.
So, any help is most welcome please?
 

renewablejohn

Member
Location
lancs
Ive, got a GAZ 105 single shaft shredder with a ram that pushes the waste against the rotating teeth and have been shredding plastic with it tbh, lumps upto 150 kg each, I have other shredders but not suitable. There, are videos of this on YouTube.
We, are starting a new job in the New Year and part of this job is a waste stream Ive never dealt with before (wood), all the other waste streams are bread & butter to us.
So, thats why Im seeking others experience.
The, Vermeer you speak of is a wood chipper by the looks of it which are usually used by tree surgeons or forestry workers I assume but as I said this is all new to us.
Im, open minded and will be guided by those who have experience in this field.
Im, not trying to reinvent the wheel just solve the problem I will have come January 2022.
So, any help is most welcome please?
I think the Vermeer being referred to is a grinder not a chipper and is used to turn any sort of rubbish wood into material suitable for composting which is probably what you will end up with as I cannot see how you will make the G30 and G50 spec for biomass. You really do need to read the definition of G30 and G50 spec as its not just material that fits through a G30 or G50 screen.
 
Ive, got a GAZ 105 single shaft shredder with a ram that pushes the waste against the rotating teeth and have been shredding plastic with it tbh, lumps upto 150 kg each, I have other shredders but not suitable. There, are videos of this on YouTube.
We, are starting a new job in the New Year and part of this job is a waste stream Ive never dealt with before (wood), all the other waste streams are bread & butter to us.
So, thats why Im seeking others experience.
The, Vermeer you speak of is a wood chipper by the looks of it which are usually used by tree surgeons or forestry workers I assume but as I said this is all new to us.
Im, open minded and will be guided by those who have experience in this field.
Im, not trying to reinvent the wheel just solve the problem I will have come January 2022.
So, any help is most welcome please?
Your gross shredder is a slightly different animal, I thought you were chatting about single shaft slow speed shredders such as doppstadt/haas/terex etc.

Have you tried putting some pallets through it yet to see what they turn out like? The gross does seem to achieve a fairly decent chop for a single shaft shredder but I’m assuming it doesn’t have massive output?

Vermeer/peterson/beast bandit proper waste/virgin wood shredders


But yea it depends on what market you are going for
 
Ive, got a GAZ 105 single shaft shredder with a ram that pushes the waste against the rotating teeth and have been shredding plastic with it tbh, lumps upto 150 kg each, I have other shredders but not suitable. There, are videos of this on YouTube.
We, are starting a new job in the New Year and part of this job is a waste stream Ive never dealt with before (wood), all the other waste streams are bread & butter to us.
So, thats why Im seeking others experience.
The, Vermeer you speak of is a wood chipper by the looks of it which are usually used by tree surgeons or forestry workers I assume but as I said this is all new to us.
Im, open minded and will be guided by those who have experience in this field.
Im, not trying to reinvent the wheel just solve the problem I will have come January 2022.
So, any help is most welcome please?
Are you getting a gate fee for the pallets coming in ???
 

Shropshire Lad

Member
Trade
No, we havent run any pallets through it yet as its been tied up on another job doing plastics, we intend to run some through it asap, and are also looking to put a shed up to house it or whatever other machine if its not suitable, nothing too grand just a tin shed.

What, other market do you think I should or could aim at if not the biomass market?

Yes, we will be getting a small gate fee but that only covers the transport not the shredding, but it is part of a bigger contract which we've not tackled before.
 
As your dealing with waste wood whatever market you chose the end receiver will have to have waste management authorisation either as a Waste Management License, PPC or an exemption.

Cattle bedding or waste biomass boilers probably are what you want to aim for but without the gate fee at least covering the costs of all processing.. I really don't think its viable at all although if you have to take it as part of another waste contract you may get it in a position that it will wipe it's own feet.
 
No, we havent run any pallets through it yet as its been tied up on another job doing plastics, we intend to run some through it asap, and are also looking to put a shed up to house it or whatever other machine if its not suitable, nothing too grand just a tin shed.

What, other market do you think I should or could aim at if not the biomass market?

Yes, we will be getting a small gate fee but that only covers the transport not the shredding, but it is part of a bigger contract which we've not tackled before.
If your not getting a gate fee then I’d leave the job alone
 

renewablejohn

Member
Location
lancs
Best money I have seen made out of waste pallets is by using a double blade saw and kindling machine to process the spars with no nails in. The rest shredded and used as bulk biomass without the nails being extracted.
 

Shropshire Lad

Member
Trade
Thank you.
If, you have any details of any machines I would gladly look at that, I assume nets would be needed to put the kindling in so any contacts for that as well please if you dont mind, thank you?
We, used to cut brass inserts out of plastic manifolds for Siemans in Telford with bandsaws and used chainmail gloves like industrial butchers do to protect fingers etc.
 

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