Notes

Compare biomass fuel with coal as well as gas<br>
Contrast biomass fuel with coal

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



The calorific worth of biomass pellets is 10% lower than tool coal. Yet biomass pellets can burn out, while coals have 10-15% combustible component left in the coal slag. So in real use, their calorific value coincide.

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

The solid discharge of biomass pellets is less than coal. kahl pellet mill can lower the slag discharge cost and also air contamination. The solid emission of biomass pellets are virtually ash, making up 0.4% ~ 7.0% of the total weight, while the strong discharge of coal are ash, antacids, as well as recurring coal, accounting for 25% -40% of the overall weight.

Coal's pollutant discharge and deterioration to the boiler is far more severe than biomass pellets. Coal smoke consists of a great deal of fragment carbons, toxic SO2, carbon monoxide and also other corrosion gas Biomass pellets is generally made up of C-H organic matters, the gas exhaust is generally C-H unpredictable gas, with little SO2 or carbon monoxide discharge. Biomass fuel is called tidy fuel. It can substantially minimize the air pollution and also carbon exhaust.

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



Contrast biomass pellets and also natural gas.

Cost of biomass pellets and also natural gas in boilers

Let's take a 1 heap boiler for example. Suppose it require 600,000 calories for 1 hr. I exercise the required quantity of natural gas and also biomass pellets. By increasing their device rate, we can exercise the overall cost As the form program, biomass pellets set you back a lot less than natural gas.



Kcal/kg pricerequired quantitytotal expense.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.


biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Natural gas is a non-renewable resource, like coal and also oil. Biomass energy is the chemical kind of solar power. It includes timber, forestry waste, plant waste, water plant, animal dung, plant wastes. Yearly, the biomass created by photosynthesis depends on 173 billion lot, equal to 10-20 times the yearly international power usage, yet only 3% of them are utilized. As fish food pellet making machine as there is sunshine, the biomass power will certainly never run out.



In some rural areas, gas is not available. Meanwhile, with even more factories transform coal-fired boilers right into gas central heating boiler, the price of natural gas is mosting likely to rise up. By comparison, biomass power is abundant in backwoods. They are easy to acquire as well as refine, which don't take much expense.



The ash deposits of timber pellets after burning includes minerals and carbon. It can be made use of as fertilizer on ranch as well as in garden. You can collect the ash residues from biomass boilers for future use.



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

Under the environment defense pressure, coal central heating boilers are limited in several cities. Many manufacturing facilities have actually switched over to biomass boiler or gas central heating boiler. Here I wish to compare the 3 boilers and also find out which is the most effective.



Initial financial investment.

In term of the central heating boilers with the same ability, gas central heating boilers require the highest expense, then comes biomass boiler, and also coal boiler for the last.



Procedure expense.


In terms of operation cost, gas boiler > coal central heating boiler > biomass central heating boiler. The gas price differs in various areas, higher than biomass and coal. The rate of biomass and also coal are similar, yet as coal central heating boilers have lower performance, the procedure price is more than biomass central heating boiler.



Atmosphere result.

In terms of environmental management, gas central heating boiler > biomass boiler > coal boiler. Gas boilers embrace gas as fuel, biomass boilers adopt biomass pellets or briquettes. Coal central heating boilers produce the highest possible contamination, including SO2, CARBON MONOXIDE, ash, alkali, and so on. Biomass central heating boilers arere environmental-friendly than coals. It only create C, H volatile gases, as well as little ash deposits.



Application area.

Coal boilers have been limited in numerous cities, or need to be outfitted with desulfurizer. Natural gas supply is not uniform in different locations. Some areas don't have gas offered, so biomass central heating boilers become their finest selection.



Finally, to satisfy the atmosphere requirement, gas central heating boilers and biomass central heating boilers are sensible. Gas central heating boilers have the least discharge, yet the expense is the greatest. Biomass central heating boilers have inexpensive as well as broad application, and the air pollution discharge is low. So it has actually been preferred in numerous areas.


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