Notes

How to select suitable wood pellet fuel for your boiler?<br>
Wood pellet fuels are made of sawdust or crop wastes. By pressing and molding, they end up being strong strips with the density of 0.8-1.4 t/m3. richi pellet mill has the same energy thickness as medium coals. The burning result has improved a great deal compared with bulky materials. Besides, wood pellet fuels are convenient to shop as well as transport.



Which has greater price efficiency?

The high quality of biomass pellet fuel varies with the raw products it is made. Usually, there are excellent quality sawdust pellets, typical wood pellets, bamboo pellets, peanut covering pellets, rice husk pellets, maize stalk pellets, pet dung pellets, sugar or medicine deposit pellets, organic sludge pellets, and so on. They have various rates, buildings and application places and also target at particular customers.



For venture and individual customers, it is not a good idea to choose top notch sawdust pellets or low-price rice husk pellets regularly. You need to select the wood pellets with high expense performance and fits your biomass boiler.



Rice husk pellets vs sawdust pellets

Rice husk pellets is a common biomass pellet fuel It has reduced cost and also inferior quality than sawdust pellets. Besides, it has narrower application locations than sawdust pellets.



Top quality sawdust pellets can be applied in huge stokerfeed boiler, fixed grate boiler, heater, hot-blast cooktop, smelting heater, etc. Although the price is more than rice husk pellets, sawdust pellets is in great demand. In high periods, the high quality wood pellet supply is in lack.



Which wood pellet boiler do you make use of?

For repaired grate boiler or little pellet burner, you ought to choose those without coking.

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

For smelting furnace, the wood pellets should have high heat worth and also the unstable separating price is high.

For thermal oil boiler, the wood pellets should have low ash material without coking, and also the warm value as well as the unpredictable separating price is high.

Stockerfeed ovens have bigger versatility to wood pellets. You ought to take into consideration the home heating price demand, automated or hands-on slag device, flue gas heat recovery gadget, dust collection agency kinds and also choose one of the most appropriate wood pellets.




Steps to choose suitable wood pellet fuel.

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



Action 1: examine your wood pellet ranges and boilers

Action 2: listing your requirement on the wood pellet fuel

Step 3: study the wood pellet manufactures within 800 kilometres, and also learn about the residential properties of their wood pellet fuels

Tip 4: compare the result of step2 and step3, as well as figure out the vendors that satisfy your requirements

Tip 5: exercise the system cost based on the delivered price offered by the wood pellet providers.

Select 2 or 3 suppliers as well as assign the acquisition amount proportionally. Keep in mind to sign agreements to safeguard an adequate supply.

Notes:

As a fully grown wood pellet consumer, you ought to not just concentrate on the cost of pellets or the unit cost of heat value, however take note of the system price of 1-ton heavy steam production, consisting of the price of fuel, labor, upkeep, and also slag therapy.




Take the after-sale service into factor to consider. Some wood pellets produces can offer boiler upgrading as well as personnel training solution.



Quality indicators of wood pellet fuel

For typical usages, wood pellets fuel has to satisfy the adhering to parameters. The size is 6-12mm, the length is 2-4 times that of diameter, and the bulk density is larger than 600kg/m3. The crushing price is less tan 1.5%-2.0%, the ash material is less than 1.5%, the sulfur and chlorine material must be less than 0.07%, nitrogen content less than 0.5%, and also the warm worth is more than 16MJ/kg.



For commercial function, wood pellets generally have the diameter of 8-10mm as well as the size of 25-35mm.



What's the very best thickness for making wood pellets?

Thickness is a vital sign of wood pellet quality. In the majority of scenarios, the thickness of wood pellet fuel is in between 1.1 and also 1.3 t/m3. High thickness will increase the expense of production. Besides, high thickness requires high compression proportion, therefore raising the abrasion of molding dies and also reducing their working life.



Therefore, we suggest to restrict the wood pellet thickness between 0.8 as well as 1.1 t/m3. Lots of starters in wood pellet industry prefer to make pellets with high density and also high solidity. Although they looks attractive, they will certainly lower the manufacturing and enhance the abrasion.


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