Notes

Contrast biomass fuel with coal and gas<br>
Contrast biomass fuel with coal

The burning efficiency of biomass fuel is similar with medium coal, however it have such advantages over coal:



The calorific value of biomass pellets is 10% less than tool coal. However biomass pellets can wear out, while coals have 10-15% flammable part left in the coal slag. So in actual usage, their calorific worth are the same.

Biomass pellets are easier to stir up than coals, which can shorten the starting time largely.

The solid discharge of biomass pellets is lower than coal. It can decrease the slag discharge charge as well as air contamination. The solid emission of biomass pellets are virtually ash, representing 0.4% ~ 7.0% of the complete weight, while the solid emission of coal are ash, alkali, and recurring coal, representing 25% -40% of the overall weight.

Coal's pollutant exhaust and also corrosion to the boiler is much more major than biomass pellets. Coal smoke has a lot of bit carbons, toxic SO2, CO and also various other rust gas Biomass pellets is mainly made up of C-H raw materials, the gas emission is primarily C-H unpredictable gas, with little SO2 or CO exhaust. Biomass fuel is referred to as tidy fuel. It can significantly lower the air pollution and also carbon emission.

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



Contrast biomass pellets and natural gas.

Price of biomass pellets and also natural gas in boilers

Allow's take a 1 lot central heating boiler for example. Suppose it need 600,000 calories for 1 hr. I work out the needed quantity of natural gas and biomass pellets. By multiplying their system cost, we can work out the total price As the form show, biomass pellets cost much lower than natural gas.



Kcal/kg pricerequired quantitytotal expense.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.




Gas is a non-renewable source, like coal and oil. Biomass energy is the chemical form of solar power. It consists of timber, forestry waste, crop waste, marine plant, pet dung, plant wastes. Yearly, the biomass created by photosynthesis is up to 173 billion load, equal to 10-20 times the annual global energy intake, however just 3% of them are utilized. As long as there is sunlight, the biomass power will never run out.



In some rural areas, gas is not readily available. At the same time, with more manufacturing facilities transform coal-fired central heating boilers right into natural gas boiler, the cost of natural gas is going to rise. By contrast, biomass power is abundant in rural areas. They are very easy to get as well as process, which don't take much price.



The ash deposits of wood pellets after melting has minerals as well as carbon. It can be utilized as plant food on farm as well as in garden. You can accumulate the ash deposits from biomass central heating boilers for future usage.



Comparison of biomass boiler, gas boiler, and also coal boiler.

Under the setting security pressure, coal central heating boilers are restricted in lots of cities. Many manufacturing facilities have switched over to biomass central heating boiler or gas boiler. Here I want to compare the 3 boilers and figure out which is the very best.



Preliminary investment.

In term of the boilers with the very same ability, gas central heating boilers call for the greatest expense, after that comes biomass boiler, as well as coal central heating boiler for the last.



Operation price.

In terms of procedure expense, gas boiler > coal central heating boiler > biomass boiler. The gas price differs in different areas, greater than biomass and coal. The price of biomass and also coal are comparable, however as coal boilers have reduced performance, the procedure expense is more than biomass central heating boiler.



Setting result.

In regards to environmental protection, gas central heating boiler > biomass boiler > coal central heating boiler. Gas boilers embrace gas as fuel, biomass boilers take on biomass pellets or briquettes. Coal central heating boilers generate the highest pollution, including SO2, CO, ash, alkali, and so on. Biomass central heating boilers arere environmental-friendly than coals. richi pellet machine generate C, H unstable gases, and also little ash deposits.



Application area.

Coal boilers have been restricted in several cities, or require to be outfitted with desulfurizer. Gas supply is not uniform in different areas. Some regions do not have gas offered, so biomass boilers become their best selection.



In conclusion, to fulfill the setting requirement, gas central heating boilers and also biomass boilers are practical. Gas central heating boilers have the least exhaust, but the cost is the greatest. Biomass central heating boilers have affordable and vast application, and the contamination emission is reduced. So it has been preferred in several locations.

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