Notes

How to pick appropriate wood pellet fuel for your boiler?<br>
Wood pellet fuels are made from sawdust or crop wastes. By pressing and also molding, they end up being solid strips with the thickness of 0.8-1.4 t/m3. Wood pellets fuel has the same power thickness as medium coals. The burning result has actually enhanced a whole lot compared to bulky products. Besides, wood pellet fuels are convenient to store and also transport.



Which has greater price performance?

The top quality of biomass pellet fuel differs with the raw materials it is made. Usually, there are top quality sawdust pellets, usual wood pellets, bamboo pellets, peanut covering pellets, rice husk pellets, maize stalk pellets, pet dung pellets, sugar or medication residue pellets, organic sludge pellets, and so on. They have different prices, homes as well as application places as well as target at certain customers.



For venture and individual customers, it is not a good idea to select high-quality sawdust pellets or low-price rice husk pellets regularly. You should select the wood pellets with high price performance and suits your biomass boiler.



Rice husk pellets vs sawdust pellets

Rice husk pellets is an usual biomass pellet fuel It has reduced cost and substandard quality than sawdust pellets. Besides, it has narrower application areas than sawdust pellets.



Top quality sawdust pellets can be used in large stokerfeed boiler, taken care of grate boiler, heater, hot-blast oven, smelting heater, and so on. Although the rate is greater than rice husk pellets, sawdust pellets remains in fantastic demand. In high seasons, the high quality wood pellet supply remains in shortage.



Which wood pellet boiler do you use?

For fixed grate boiler or small pellet burner, you need to select those without coking.

For hot-blast stove, the wood pellets ought to have reduced ash material and also no coking.

For smelting heater, the wood pellets need to have high warm value and also the unstable separating rate is high.


For thermal oil boiler, the wood pellets must have low ash material without coking, and also the warmth value and also the unstable separating rate is high.

Stockerfeed stoves have broader flexibility to wood pellets. You ought to think about the heating price need, automated or hand-operated slag gadget, flue gas heat healing gadget, dust collector types and also choose one of the most suitable wood pellets.



Steps to choose suitable wood pellet fuel.

Based on years of my experience on biomass pellet fuel manufacturing and also biomass boiler marketing, I conclude the complying with steps on how to select suitable wood pellet fuel.



Action 1: evaluate your wood pellet ovens and also boilers

Step 2: checklist your requirement on the wood pellet fuel

Step 3: survey the wood pellet produces within 800 kilometres, and find out about the buildings of their wood pellet fuels

Tip 4: compare the result of step2 as well as step3, and also discover the providers that satisfy your demands

Step 5: work out the device expense based on the provided cost given by the wood pellet distributors.

Pick 2 or 3 distributors and also designate the purchase quantity proportionally. Remember to sign contracts to protect an appropriate supply.

Notes:

As a fully grown wood pellet consumer, you ought to not just focus on the cost of pellets or the unit expense of warmth value, but take note of the unit cost of 1-ton vapor manufacturing, consisting of the expense of fuel, labor, maintenance, and slag therapy.



Take the after-sale service into factor to consider. Some wood pellets manufactures can provide boiler updating and also staff training service.



Quality indications of wood pellet fuel

For usual uses, wood pellets fuel needs to satisfy the adhering to specifications. The size is 6-12mm, the size is 2-4 times that of diameter, as well as the bulk thickness is larger than 600kg/m3. The crushing rate is less tan 1.5%-2.0%, the ash content is less than 1.5%, the sulfur and also chlorine material ought to be less than 0.07%, nitrogen web content less than 0.5%, and the warm worth is more than 16MJ/kg.



For industrial function, wood pellets usually have the size of 8-10mm and also the size of 25-35mm.



What's the best density for making wood pellets?

Density is an essential indicator of wood pellet quality. In a lot of scenarios, the thickness of wood pellet fuel is in between 1.1 as well as 1.3 t/m3. High thickness will certainly raise the price of production. Besides, richi pellet mill needs high compression ratio, thus raising the abrasion of molding dies as well as shortening their functioning life.




Therefore, we advise to constrain the wood pellet density in between 0.8 and also 1.1 t/m3. Numerous starters in wood pellet sector favor to make pellets with high density and also high hardness. Although they looks gorgeous, they will decrease the production and also raise the abrasion.


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