Notes

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

The burning efficiency of biomass fuel is comparable with medium coal, but it have such advantages over coal:



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

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


The strong discharge of biomass pellets is less than coal. pellet manufacturing machine can decrease the slag discharge fee and also air pollution. floating feed making machine of biomass pellets are virtually ash, representing 0.4% ~ 7.0% of the overall weight, while the strong discharge of coal are ash, alkali, and also residual coal, accounting for 25% -40% of the complete weight.

Coal's contaminant emission as well as corrosion to the boiler is even more serious than biomass pellets. Coal smoke contains a lot of fragment carbons, hazardous SO2, CO as well as other rust gas Biomass pellets is mostly composed of C-H raw materials, the gas discharge is generally C-H volatile gas, with little SO2 or CO discharge. Biomass fuel is referred to as clean fuel. It can significantly lower the air contamination and also carbon exhaust.

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



Contrast biomass pellets and also gas.

Expense of biomass pellets and natural gas in central heating boilers

Allow's take a 1 bunch boiler for instance. Mean it require 600,000 calories for 1 hr. I work out the required quantity of natural gas and biomass pellets. By multiplying their unit rate, we can exercise the overall price As the type show, biomass pellets cost a lot lower than gas.



Kcal/kg pricerequired quantitytotal expense.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Gas is a non-renewable resource, like coal and oil. Biomass power is the chemical type of solar power. It includes wood, forestry waste, crop waste, water plant, animal dung, plant wastes. Annually, the biomass generated by photosynthesis depends on 173 billion load, equal to 10-20 times the annual worldwide energy consumption, but just 3% of them are made use of. As long as there is sunlight, the biomass energy will never ever run out.



In some rural areas, gas is not available. Meanwhile, with even more manufacturing facilities change coal-fired boilers right into gas central heating boiler, the price of natural gas is mosting likely to rise up. By contrast, biomass power is abundant in backwoods. They are very easy to acquire and also process, which don't take much price.



The ash residues of timber pellets after shedding has minerals as well as carbon. It can be used as plant food on farm and also in garden. You can collect the ash residues from biomass central heating boilers for future usage.



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

Under the atmosphere protection stress, coal boilers are limited in many cities. Several factories have switched to biomass central heating boiler or gas central heating boiler. Below I 'd like to compare the 3 central heating boilers and determine which is the very best.



Preliminary financial investment.

In regard to the central heating boilers with the same capability, gas boilers call for the greatest price, after that comes biomass central heating boiler, as well as coal central heating boiler for the last.



Procedure expense.

In terms of operation cost, gas boiler > coal boiler > biomass central heating boiler. The gas price differs in various locations, more than biomass and coal. The cost of biomass as well as coal are similar, however as coal central heating boilers have lower efficiency, the operation price is more than biomass central heating boiler.




Setting result.

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



Application location.

Coal central heating boilers have actually been limited in many cities, or need to be equipped with desulfurizer. Gas supply is not uniform in various areas. Some regions don't have gas available, so biomass central heating boilers become their best option.



In conclusion, to fulfill the atmosphere need, gas central heating boilers and also biomass boilers are feasible. Gas central heating boilers have the least discharge, yet the cost is the highest possible. Biomass central heating boilers have affordable and large application, and the pollution discharge is reduced. So it has been preferred in several areas.


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