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, yet it have such benefits over coal:



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

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

The solid discharge of biomass pellets is lower than coal. It can minimize the slag discharge cost and air contamination. straw pellet machine of biomass pellets are nearly ash, representing 0.4% ~ 7.0% of the complete weight, while the strong emission of coal are ash, alkali, as well as recurring coal, accounting for 25% -40% of the total weight.

Coal's contaminant emission and also deterioration to the boiler is far more severe than biomass pellets. Coal smoke includes a lot of fragment carbons, toxic SO2, CO and also other rust gas Biomass pellets is primarily composed of C-H raw materials, the gas exhaust is mostly C-H unstable gas, with little SO2 or carbon monoxide exhaust. small poultry feed making machine is called clean fuel. It can greatly lower the air pollution as well as carbon exhaust.

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



Contrast biomass pellets and natural gas.

Price of biomass pellets as well as gas in boilers

Let's take a 1 heap boiler as an example. Intend it need 600,000 calories for 1 hr. I exercise the required quantity of gas and biomass pellets. By multiplying their unit cost, we can work out the total expense As the type program, biomass pellets set you back a lot less than natural gas.





Kcal/kg pricerequired quantitytotal cost.

natural gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Gas is a non-renewable resource, like coal as well as oil. Biomass energy is the chemical kind of solar energy. It includes timber, forestry waste, plant waste, marine plant, animal dung, plant wastes. Every year, the biomass created by photosynthesis is up to 173 billion bunch, equal to 10-20 times the annual worldwide energy consumption, however only 3% of them are utilized. As long as there is sunshine, the biomass power will never run out.



In some backwoods, gas is not offered. On the other hand, with more factories change coal-fired boilers into natural gas boiler, the cost of natural gas is mosting likely to rise up. By comparison, biomass power is abundant in rural areas. They are easy to acquire and also process, which don't take much cost.



The ash deposits of wood pellets after shedding includes minerals and carbon. It can be utilized as plant food on ranch and in garden. You can gather the ash deposits from biomass boilers for future use.



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

Under the atmosphere protection pressure, coal central heating boilers are limited in lots of cities. Several factories have switched to biomass central heating boiler or gas boiler. Here I want to compare the 3 central heating boilers as well as figure out which is the best.



Initial financial investment.

In regard to the central heating boilers with the same ability, gas boilers call for the greatest expense, after that comes biomass boiler, and also coal central heating boiler for the last.



Operation cost.

In terms of operation price, gas central heating boiler > coal boiler > biomass central heating boiler. The gas cost differs in various areas, greater than biomass and coal. The rate of biomass and also coal are similar, but as coal central heating boilers have lower performance, the operation cost is greater than biomass boiler.



Setting result.

In terms of environmental protection, gas central heating boiler > biomass boiler > coal boiler. Gas boilers embrace gas as fuel, biomass boilers adopt biomass pellets or briquettes. Coal boilers produce the highest possible pollution, consisting of SO2, CO, ash, antacids, etc. Biomass central heating boilers arere environmental-friendly than coals. It only produce C, H volatile gases, and little ash residues.



Application area.

Coal boilers have been restricted in several cities, or require to be furnished with desulfurizer. Natural gas supply is not uniform in different locations. Some regions don't have natural gas available, so biomass central heating boilers become their ideal choice.



To conclude, to fulfill the environment demand, gas central heating boilers and biomass central heating boilers are viable. Gas central heating boilers have the least discharge, but the expense is the highest possible. Biomass central heating boilers have inexpensive as well as broad application, as well as the air pollution emission is low. So it has actually been preferred in lots of areas.


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