Notes

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

The burning performance 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 medium coal. Yet biomass pellets can burn out, while coals have 10-15% flammable element left in the coal slag. So in real use, their calorific value coincide.


Biomass pellets are simpler to ignite than coals, which can reduce the starting time largely.

The strong discharge of biomass pellets is lower than coal. It can minimize the slag discharge cost and air pollution. The strong emission of biomass pellets are virtually ash, representing 0.4% ~ 7.0% of the total weight, while the solid emission of coal are ash, alkali, as well as residual coal, representing 25% -40% of the complete weight.

Coal's toxin emission as well as deterioration to the central heating boiler is much more serious than biomass pellets. Coal smoke consists of a lot of fragment carbons, poisonous SO2, CO as well as various other rust gas Biomass pellets is primarily made up of C-H raw materials, the gas discharge is primarily C-H volatile gas, with little SO2 or carbon monoxide exhaust. Biomass fuel is called tidy fuel. It can significantly decrease the air contamination and carbon emission.

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



Contrast biomass pellets and gas.

Expense of biomass pellets as well as gas in boilers

Allow's take a 1 bunch boiler as an example. Expect it need 600,000 calories for 1 hr. I work out the called for quantity of gas and also biomass pellets. By increasing plastic pellet mill , we can exercise the complete expense As the type program, biomass pellets set you back much less than 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 oil. Biomass energy is the chemical type of solar power. It includes timber, forestry waste, crop waste, aquatic plant, pet dung, plant wastes. Annually, the biomass generated by photosynthesis depends on 173 billion load, equal to 10-20 times the yearly global energy usage, however only 3% of them are used. As long as there is sunshine, the biomass energy will never run out.



In some backwoods, gas is not available. Meanwhile, with even more factories change coal-fired boilers right into gas boiler, the rate of gas is going to rise. By contrast, biomass energy is rich in rural areas. They are very easy to get and process, which do not take much cost.




The ash residues of timber pellets after melting includes minerals and also carbon. It can be used as plant food on ranch and in garden. manual feed pellet machine can accumulate the ash deposits from biomass central heating boilers for future usage.



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

Under the atmosphere defense pressure, coal central heating boilers are restricted in lots of cities. Many manufacturing facilities have switched to biomass boiler or gas boiler. Below I would love to contrast the 3 boilers and determine which is the very best.



Preliminary investment.

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



Operation price.

In terms of operation price, gas boiler > coal central heating boiler > biomass boiler. The gas price differs in various areas, more than biomass as well as coal. The cost of biomass and coal are comparable, however as coal boilers have reduced performance, the operation price is more than biomass boiler.



Atmosphere impact.

In terms of environmental protection, gas central heating boiler > biomass central heating boiler > coal central heating boiler. Gas boilers take on natural gas as fuel, biomass central heating boilers embrace biomass pellets or briquettes. Coal central heating boilers produce the highest possible contamination, consisting of SO2, CO, ash, antacids, etc. Biomass central heating boilers arere environmental-friendly than coals. It just create C, H unstable gases, and also little ash residues.



Application location.

Coal boilers have been restricted in many cities, or require to be outfitted with desulfurizer. Natural gas supply is not uniform in various areas. Some areas do not have gas available, so biomass central heating boilers become their ideal selection.



In conclusion, to satisfy the setting requirement, gas boilers as well as biomass central heating boilers are sensible. Gas boilers have the least discharge, yet the expense is the greatest. Biomass central heating boilers have inexpensive and wide application, as well as the contamination exhaust is reduced. So it has actually been prominent in lots of areas.


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