Notes

Compare biomass fuel with coal and also gas<br>
Compare biomass fuel with coal

The burning efficiency of biomass fuel is comparable with medium coal, but it have such benefits over coal:



The calorific worth of biomass pellets is 10% lower than tool coal. But poultry pellet machine can stress out, while coals have 10-15% combustible part left in the coal slag. So in actual use, their calorific value coincide.

Biomass pellets are simpler to spark than coals, which can reduce the starting time greatly.

The strong discharge of biomass pellets is less than coal. It can lower the slag discharge fee as well as air pollution. The solid emission of biomass pellets are practically ash, making up 0.4% ~ 7.0% of the overall weight, while the strong emission of coal are ash, alkali, and also recurring coal, representing 25% -40% of the total weight.

Coal's contaminant exhaust and also corrosion to the boiler is much more major than biomass pellets. Coal smoke includes a lot of particle carbons, toxic SO2, carbon monoxide as well as other corrosion gas Biomass pellets is mostly composed of C-H raw materials, the gas exhaust is mainly C-H volatile gas, with little SO2 or CO exhaust. Biomass fuel is called tidy fuel. It can greatly reduce the air pollution and carbon emission.

Fostering of biomass fuel in boilers can conserve time as well as price than coals. A 0.5 t central heating boiler can save 10% fuel price as well as 16% time with biomass pellets than coal.





Compare biomass pellets and also gas.

Cost of biomass pellets and natural gas in central heating boilers

Allow's take a 1 bunch boiler as an example. Suppose it require 600,000 calories for 1 hour. I exercise the needed amount of natural gas and also biomass pellets. By increasing their device cost, we can exercise the complete cost As the type program, biomass pellets cost a lot less than gas.



Kcal/kg pricerequired quantitytotal cost.

gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Gas is a non-renewable source, like coal and oil. Biomass power is the chemical form of solar energy. It consists of wood, forestry waste, crop waste, water plant, pet dung, plant wastes. Each year, the biomass produced by photosynthesis depends on 173 billion lot, equal to 10-20 times the yearly international energy usage, but only 3% of them are used. As long as there is sunlight, the biomass energy will never run out.



In some rural areas, gas is not available. At the same time, with more factories change coal-fired central heating boilers right into natural gas boiler, the rate of natural gas is mosting likely to rise. By contrast, biomass power is abundant in backwoods. They are simple to acquire and also refine, which don't take much price.



The ash residues of timber pellets after melting includes minerals as well as carbon. It can be used as fertilizer on farm and also in yard. You can gather the ash deposits from biomass boilers for future usage.



Contrast of biomass boiler, gas central heating boiler, as well as coal central heating boiler.

Under the setting protection pressure, coal boilers are limited in many cities. Numerous factories have changed to biomass boiler or gas central heating boiler. vertical pellet mill wish to contrast the 3 central heating boilers and figure out which is the most effective.



Initial investment.

In term of the boilers with the same ability, gas boilers need the highest expense, then comes biomass central heating boiler, as well as coal central heating boiler for the last.



Operation expense.

In terms of procedure price, gas central heating boiler > coal central heating boiler > biomass central heating boiler. The gas cost differs in different locations, greater than biomass and coal. The rate of biomass and also coal are similar, yet as coal boilers have reduced efficiency, the procedure expense is greater than biomass central heating boiler.



Setting impact.

In terms of environmental protection, gas boiler > biomass central heating boiler > coal boiler. Gas central heating boilers adopt natural gas as fuel, biomass central heating boilers adopt biomass pellets or briquettes. Coal central heating boilers generate the highest possible air pollution, consisting of SO2, CO, ash, antacids, and so on. Biomass boilers arere environmental-friendly than coals. It only produce C, H unstable gases, and little ash deposits.



Application area.

Coal boilers have actually been restricted in numerous cities, or need to be outfitted with desulfurizer. Natural gas supply is not uniform in various areas. Some areas do not have natural gas readily available, so biomass central heating boilers become their best selection.



In conclusion, to fulfill the environment demand, gas boilers and also biomass central heating boilers are practical. Gas boilers have the least exhaust, but the cost is the greatest. Biomass central heating boilers have affordable as well as vast application, as well as the air pollution emission is reduced. So it has actually been prominent in lots of locations.


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