Notes

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


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



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

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

The solid discharge of biomass pellets is less than coal. It can reduce 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 overall weight, while the solid discharge of coal are ash, alkali, as well as residual coal, representing 25% -40% of the complete weight.

Coal's contaminant discharge and also corrosion to the boiler is far more significant than biomass pellets. Coal smoke consists of a lot of particle carbons, hazardous SO2, carbon monoxide as well as other rust gas Biomass pellets is mainly composed of C-H raw materials, the gas emission is mostly C-H unstable gas, with little SO2 or carbon monoxide exhaust. Biomass fuel is know as tidy fuel. It can greatly reduce the air contamination and carbon emission.

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



Contrast biomass pellets and gas.

Price of biomass pellets and gas in boilers

Allow's take a 1 heap central heating boiler for instance. Mean it need 600,000 calories for 1 hour. I exercise the required quantity of natural gas and also biomass pellets. By multiplying their system cost, we can exercise the total cost As the type show, biomass pellets cost a lot lower than gas.



Kcal/kg pricerequired quantitytotal expense.

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 power is the chemical type of solar energy. It consists of wood, forestry waste, plant waste, water plant, pet dung, plant wastes. Every year, the biomass created by photosynthesis depends on 173 billion bunch, equal to 10-20 times the annual international energy intake, but just 3% of them are used. As long as there is sunshine, the biomass power will never go out.



In some rural areas, natural gas is not available. At the same time, with more manufacturing facilities transform coal-fired central heating boilers into gas central heating boiler, the price of natural gas is mosting likely to rise up. By contrast, biomass energy is abundant in rural areas. machine a pellet are simple to get and process, which don't take much expense.



The ash residues of timber pellets after shedding has minerals and carbon. It can be utilized as plant food on ranch and also in yard. You can accumulate the ash deposits from biomass boilers for future use.



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

Under the atmosphere defense pressure, coal central heating boilers are restricted in lots of cities. homemade wood pellet machine have switched to biomass boiler or gas central heating boiler. Here I want to compare the 3 central heating boilers and determine which is the best.



Initial financial investment.

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



Procedure expense.

In regards to operation expense, gas boiler > coal boiler > biomass central heating boiler. The gas rate varies in various locations, more than biomass and coal. The cost of biomass and coal are similar, but as coal boilers have reduced efficiency, the procedure price is more than biomass boiler.



Environment result.

In terms of environmental management, gas central heating boiler > biomass central heating boiler > coal boiler. Gas central heating boilers take on gas as fuel, biomass boilers take on biomass pellets or briquettes. Coal central heating boilers produce the greatest contamination, including SO2, CARBON MONOXIDE, ash, antacids, etc. Biomass central heating boilers arere environmental-friendly than coals. It just generate C, H volatile gases, and also little ash residues.



Application location.

Coal boilers have actually been limited in lots of cities, or require to be geared up with desulfurizer. Gas supply is not uniform in various areas. Some areas do not have natural gas available, so biomass boilers become their finest choice.



Finally, to fulfill the atmosphere need, gas boilers and also biomass central heating boilers are feasible. Gas boilers have the least discharge, but the cost is the greatest. Biomass boilers have low cost as well as vast application, and the contamination exhaust is reduced. So it has actually been popular in numerous locations.

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