Notes

Compare biomass fuel with coal and natural gas
Compare biomass fuel with coal as well as gas
Compare biomass fuel with coal
The burning performance of biomass fuel is similar with tool coal, however it have such advantages over coal:

The calorific worth of biomass pellets is 10% lower than tool coal. Yet biomass pellets can stress out, while coals have 10-15% combustible element left in the coal slag. So in real usage, their calorific worth are the same.
Biomass pellets are much easier to stir 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 air pollution. The strong discharge of biomass pellets are practically ash, making up 0.4% ~ 7.0% of the complete weight, while the strong discharge of coal are ash, alkali, and also recurring coal, making up 25% -40% of the total weight.
Coal's contaminant discharge as well as rust to the central heating boiler is far more severe than biomass pellets. Coal smoke has a great deal of fragment carbons, toxic SO2, CO and various other rust gas Biomass pellets is primarily made up of C-H organic matters, the gas emission is mostly C-H unpredictable gas, with little SO2 or CO exhaust. Biomass fuel is know as clean fuel. It can substantially reduce the air contamination and carbon discharge.
Fostering of biomass fuel in boilers can conserve time and expense than coals. A 0.5 t central heating boiler can conserve 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 and gas in central heating boilers
Allow's take a 1 heap central heating boiler for example. Expect it need 600,000 calories for 1 hr. I exercise the called for quantity of natural gas and also biomass pellets. By multiplying their system rate, we can exercise the total cost As the type program, biomass pellets cost a lot less than gas.


Kcal/kg pricerequired quantitytotal price.
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 power is the chemical type of solar energy. It consists of wood, forestry waste, crop waste, marine plant, pet dung, plant wastes. Every year, the biomass created by photosynthesis is up to 173 billion lot, equal to 10-20 times the annual global power consumption, but just 3% of them are used. As long as there is sunshine, the biomass power will certainly never go out.

In some backwoods, natural gas is not available. At the same time, with even more manufacturing facilities transform coal-fired boilers right into gas central heating boiler, the cost of natural gas is going to rise up. By comparison, biomass power is rich in backwoods. plastic pellet extruder are very easy to acquire and refine, which don't take much cost.


The ash residues of wood pellets after melting contains minerals and also carbon. It can be made use of as fertilizer on farm and also in yard. fertilizer pelletizer can accumulate the ash residues from biomass boilers for future use.

Contrast of biomass central heating boiler, gas boiler, as well as coal central heating boiler.
Under the setting protection stress, coal boilers are limited in numerous cities. Several factories have switched over to biomass central heating boiler or gas central heating boiler. Right here I want to compare the 3 boilers and find out which is the most effective.

First financial investment.
In regard to the central heating boilers with the same ability, gas central heating boilers call for the highest possible price, then comes biomass boiler, and also coal central heating boiler for the last.

Procedure price.
In terms of procedure cost, gas central heating boiler > coal boiler > biomass boiler. The gas cost differs in various locations, greater than biomass as well as coal. The price of biomass as well as coal are comparable, however as coal boilers have reduced efficiency, the operation price is higher than biomass boiler.

Environment effect.
In terms of environmental protection, gas boiler > biomass boiler > coal boiler. Gas central heating boilers embrace natural gas as fuel, biomass central heating boilers adopt biomass pellets or briquettes. Coal central heating boilers generate the greatest pollution, including SO2, CO, ash, antacids, etc. Biomass boilers arere environmental-friendly than coals. It just produce C, H unpredictable gases, and also little ash deposits.


Application area.
Coal boilers have been restricted in numerous cities, or require to be outfitted with desulfurizer. Natural gas supply is not uniform in different locations. Some regions don't have gas offered, so biomass boilers become their finest choice.

To conclude, to satisfy the atmosphere need, gas central heating boilers and biomass central heating boilers are viable. Gas central heating boilers have the least discharge, however the expense is the greatest. Biomass central heating boilers have low cost and vast application, and the contamination emission is low. So it has been prominent in numerous locations.


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