Notes

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

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



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

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

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

Coal's pollutant emission and rust to the boiler is far more serious than biomass pellets. Coal smoke contains a lot of particle carbons, toxic SO2, carbon monoxide and also other deterioration gas Biomass pellets is generally made up of C-H raw materials, the gas exhaust is mostly C-H volatile gas, with little SO2 or CO exhaust. Biomass fuel is referred to as clean fuel. It can greatly lower the air pollution as well as carbon exhaust.

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




Contrast biomass pellets and also gas.

Price of biomass pellets and natural gas in central heating boilers

Let's take a 1 lot central heating boiler for instance. Suppose it require 600,000 calories for 1 hr. I exercise the called for amount of gas and biomass pellets. By multiplying their device price, we can exercise the complete price As the type program, biomass pellets cost a lot less than natural gas.



Kcal/kg pricerequired quantitytotal cost.

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 type of solar power. It consists of timber, forestry waste, crop waste, aquatic plant, pet dung, plant wastes. Annually, the biomass created by photosynthesis is up to 173 billion load, equal to 10-20 times the yearly global energy intake, but just 3% of them are made use of. As long as there is sunshine, the biomass power will certainly never go out.



In some backwoods, natural gas is not available. Meanwhile, with floating feed machine transform coal-fired boilers into natural gas central heating boiler, the cost of natural gas is mosting likely to rise up. By comparison, biomass energy is rich in backwoods. They are easy to get and process, which do not take much price.



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



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

Under the setting security stress, coal boilers are limited in many cities. Many factories have changed to biomass central heating boiler or gas central heating boiler. Below I want to contrast the 3 central heating boilers and identify which is the best.




Preliminary financial investment.

In term of the central heating boilers with the exact same capacity, gas boilers call for the greatest price, after that comes biomass boiler, and also coal boiler for the last.



Procedure expense.

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



Setting effect.

In regards to environmental management, gas boiler > biomass boiler > coal boiler. Gas central heating boilers take on natural gas as fuel, biomass boilers adopt biomass pellets or briquettes. Coal central heating boilers create the highest pollution, including SO2, CARBON MONOXIDE, ash, antacids, and so on. Biomass boilers arere environmental-friendly than coals. It only create C, H unstable gases, as well as little ash deposits.



Application location.

Coal central heating boilers have actually been restricted in numerous cities, or need to be outfitted with desulfurizer. Gas supply is not uniform in various locations. Some regions don't have gas offered, so biomass boilers become their ideal choice.



In conclusion, to meet the atmosphere demand, gas central heating boilers and also biomass boilers are viable. Gas boilers have the least emission, but the price is the greatest. Biomass boilers have inexpensive and large application, as well as the contamination exhaust is low. So it has actually been prominent in several locations.


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