Notes

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

The burning performance of biomass fuel is similar with tool coal, but it have such advantages over coal:



The calorific worth of biomass pellets is 10% less than medium coal. However biomass pellets can stress out, while coals have 10-15% flammable part left in the coal slag. So in real usage, their calorific value coincide.

Biomass pellets are much easier to fire up than coals, which can shorten the starting time greatly.

The strong discharge of biomass pellets is less than coal. It can lower the slag discharge cost and also air contamination. The strong discharge of biomass pellets are virtually ash, accounting for 0.4% ~ 7.0% of the complete weight, while the solid emission of coal are ash, antacids, and also residual coal, accounting for 25% -40% of the complete weight.

Coal's contaminant exhaust as well as corrosion to the boiler is even more significant than biomass pellets. discover here includes a great deal of bit carbons, toxic SO2, CO and also other corrosion gas Biomass pellets is generally made up of C-H raw materials, the gas exhaust is mostly C-H unpredictable gas, with little SO2 or carbon monoxide emission. Biomass fuel is know as tidy fuel. It can greatly reduce the air pollution as well as carbon discharge.

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



Compare biomass pellets as well as natural gas.

Cost of biomass pellets as well as natural gas in boilers

Allow's take a 1 lot central heating boiler for example. Intend flat die pellet machine require 600,000 calories for 1 hour. I work out the needed amount of gas as well as biomass pellets. By multiplying their unit rate, we can work out the complete price As the kind program, biomass pellets set you back a lot lower than natural gas.



Kcal/kg pricerequired quantitytotal price.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Gas is a non-renewable source, like coal and also oil. Biomass power is the chemical kind of solar energy. It consists of timber, forestry waste, plant waste, water plant, animal dung, plant wastes. Every year, the biomass generated by photosynthesis is up to 173 billion ton, equal to 10-20 times the yearly global power intake, however only 3% of them are utilized. As long as there is sunshine, the biomass energy will certainly never run out.



In some backwoods, natural gas is not readily available. Meanwhile, with even more manufacturing facilities change coal-fired boilers into natural gas central heating boiler, the cost of natural gas is going to rise up. By contrast, biomass energy is rich in backwoods. They are simple to acquire and refine, which do not take much price.




The ash deposits of wood pellets after burning contains minerals as well as carbon. It can be used as fertilizer on farm and in yard. You can collect the ash deposits from biomass central heating boilers for future usage.



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


Under the atmosphere security pressure, coal boilers are restricted in several cities. Many factories have switched over to biomass boiler or gas central heating boiler. Below I wish to contrast the 3 boilers and identify which is the best.



First financial investment.

In regard to the boilers with the very same capacity, gas central heating boilers need the highest expense, then comes biomass central heating boiler, and coal central heating boiler for the last.



Operation cost.

In regards to operation cost, gas boiler > coal boiler > biomass boiler. The gas price differs in different locations, greater than biomass and coal. The price of biomass and also coal are similar, but as coal central heating boilers have reduced effectiveness, the procedure expense is greater than biomass central heating boiler.



Atmosphere effect.

In terms of environmental management, gas central heating boiler > biomass boiler > coal boiler. Gas central heating boilers take on natural gas as fuel, biomass central heating boilers embrace biomass pellets or briquettes. Coal boilers produce the highest pollution, including SO2, CO, ash, alkali, and so on. Biomass central heating boilers arere environmental-friendly than coals. It only create C, H unpredictable gases, and little ash deposits.



Application location.

Coal central heating boilers have actually been limited in several cities, or need to be equipped with desulfurizer. Natural gas supply is not uniform in various locations. Some regions do not have gas offered, so biomass boilers become their finest selection.



In conclusion, to fulfill the environment demand, gas boilers as well as biomass boilers are viable. Gas boilers have the least emission, yet the cost is the highest. Biomass central heating boilers have low cost and broad application, as well as the contamination emission is low. So it has been prominent in many locations.


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