Notes

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

The burning performance of biomass fuel is comparable with tool coal, however it have such benefits over coal:



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


Biomass pellets are less complicated to spark than coals, which can shorten the starting time mainly.

The strong discharge of biomass pellets is less than coal. It can minimize the slag discharge cost and also air contamination. The solid exhaust of biomass pellets are nearly ash, representing 0.4% ~ 7.0% of the total weight, while the solid emission of coal are ash, antacids, as well as recurring coal, making up 25% -40% of the complete weight.

Coal's pollutant discharge as well as deterioration to the boiler is even more severe than biomass pellets. Coal smoke has a great deal of fragment carbons, poisonous SO2, carbon monoxide as well as various other corrosion gas Biomass pellets is generally composed of C-H raw materials, the gas exhaust is primarily C-H volatile gas, with little SO2 or CO exhaust. Biomass fuel is know as clean fuel. It can considerably lower the air contamination and also carbon exhaust.

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



Contrast biomass pellets and natural gas.

Price of biomass pellets and also gas in boilers

Let's take a 1 ton central heating boiler for example. Suppose it require 600,000 calories for 1 hour. I work out the required quantity of gas and biomass pellets. By increasing their system cost, we can work out the total expense As the form show, biomass pellets cost much less than natural gas.



Kcal/kg pricerequired quantitytotal cost.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Natural gas is a non-renewable source, like coal and oil. Biomass power is the chemical type of solar power. richi pellet includes wood, forestry waste, plant waste, water plant, pet dung, plant wastes. Annually, the biomass created by photosynthesis is up to 173 billion load, equal to 10-20 times the annual international power intake, however only 3% of them are used. As long as there is sunshine, the biomass energy will certainly never ever run out.



In some rural areas, natural gas is not offered. Meanwhile, with more factories change coal-fired boilers into natural gas central heating boiler, the rate of natural gas is mosting likely to rise. By feed pellet mill machine , biomass energy is rich in backwoods. They are simple to acquire and also process, which don't take much price.



The ash deposits of wood pellets after burning consists of minerals and also carbon. It can be used as plant food on ranch and also in yard. You can accumulate the ash deposits from biomass central heating boilers for future usage.



Comparison of biomass boiler, gas boiler, as well as coal boiler.

Under the atmosphere security stress, coal boilers are limited in lots of cities. Several factories have actually switched to biomass central heating boiler or gas central heating boiler. Below I wish to compare the 3 boilers as well as determine which is the very best.



First financial investment.


In term of the boilers with the exact same ability, gas boilers call for the greatest cost, then comes biomass central heating boiler, and coal central heating boiler for the last.



Operation price.

In terms of procedure cost, gas central heating boiler > coal central heating boiler > biomass central heating boiler. The gas price differs in different areas, greater than biomass as well as coal. The cost of biomass and also coal are comparable, but as coal central heating boilers have lower effectiveness, the operation cost is greater than biomass boiler.



Environment effect.

In terms of environmental management, gas central heating boiler > biomass central heating boiler > coal central heating boiler. Gas central heating boilers embrace natural gas as fuel, biomass boilers adopt biomass pellets or briquettes. Coal central heating boilers produce the greatest air pollution, consisting of SO2, CO, ash, alkali, etc. Biomass boilers arere environmental-friendly than coals. It just create C, H unpredictable gases, as well as little ash deposits.



Application location.

Coal central heating boilers have actually been restricted in lots of cities, or require to be outfitted with desulfurizer. Natural gas supply is not uniform in different areas. Some areas don't have gas offered, so biomass central heating boilers become their best choice.



Finally, to satisfy the atmosphere requirement, gas central heating boilers as well as biomass boilers are sensible. Gas central heating boilers have the least exhaust, but the expense is the highest. Biomass boilers have inexpensive and vast application, as well as the pollution exhaust is reduced. So it has actually been popular in numerous areas.


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