Notes

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

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



The calorific worth of biomass pellets is 10% lower than medium coal. Yet biomass pellets can burn out, while coals have 10-15% combustible element left in the coal slag. So in real usage, their calorific worth coincide.

Biomass pellets are simpler to spark than coals, which can shorten the starting time largely.

The strong discharge of biomass pellets is lower than coal. It can minimize the slag discharge charge and air contamination. ring die pellet machine of biomass pellets are practically ash, representing 0.4% ~ 7.0% of the complete weight, while the solid emission of coal are ash, antacids, and also recurring coal, accounting for 25% -40% of the total weight.

Coal's toxin discharge and deterioration to the central heating boiler is even more severe than biomass pellets. Coal smoke includes a lot of particle carbons, hazardous SO2, carbon monoxide and other corrosion gas Biomass pellets is mainly composed of C-H organic matters, the gas exhaust is mainly C-H unpredictable gas, with little SO2 or carbon monoxide discharge. Biomass fuel is called tidy fuel. It can considerably lower the air contamination and also carbon exhaust.

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



Compare biomass pellets and also gas.


Price of biomass pellets and also gas in central heating boilers

Let's take a 1 ton boiler for example. Expect it need 600,000 calories for 1 hr. I exercise the required quantity of gas and biomass pellets. By increasing their unit price, we can work out the complete price As the form show, biomass pellets set you back much lower than gas.



Kcal/kg pricerequired quantitytotal cost.

gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Gas is a non-renewable resource, like coal and oil. Biomass energy is the chemical kind of solar energy. It consists of timber, forestry waste, plant waste, water plant, pet dung, plant wastes. Each year, the biomass generated by photosynthesis is up to 173 billion ton, equal to 10-20 times the yearly global power consumption, but only 3% of them are made use of. As long as there is sunshine, the biomass energy will never run out.



In some backwoods, natural gas is not readily available. On the other hand, with even more manufacturing facilities transform coal-fired central heating boilers right into gas boiler, the price of gas is mosting likely to rise up. By contrast, biomass energy is rich in backwoods. They are very easy to get and also process, which do not take much expense.



The ash residues of wood pellets after melting includes minerals and carbon. It can be made use of as plant food on farm and in yard. You can gather the ash residues from biomass boilers for future usage.



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

Under the atmosphere protection pressure, coal boilers are restricted in several cities. Numerous factories have switched to biomass boiler or gas central heating boiler. Below I want to contrast the 3 boilers and identify which is the very best.



First investment.

In term of the boilers with the same capability, gas central heating boilers need the highest possible price, after that comes biomass central heating boiler, and coal boiler for the last.



Procedure expense.

In terms of procedure price, gas boiler > coal central heating boiler > biomass central heating boiler. richi pellet mill varies in various areas, more than biomass and coal. The cost of biomass as well as coal are similar, but as coal boilers have reduced effectiveness, the procedure cost is higher than biomass boiler.



Environment effect.

In terms of environmental management, gas boiler > biomass boiler > coal boiler. Gas boilers take on natural gas as fuel, biomass boilers embrace biomass pellets or briquettes. Coal boilers produce the highest pollution, including SO2, CO, ash, antacids, and so on. Biomass boilers arere environmental-friendly than coals. It only produce C, H unpredictable gases, and also little ash deposits.



Application area.

Coal central heating boilers have been restricted in numerous cities, or need to be geared up with desulfurizer. Natural gas supply is not uniform in various areas. Some regions don't have gas offered, so biomass central heating boilers become their ideal selection.




Finally, to fulfill the setting demand, gas central heating boilers and biomass central heating boilers are sensible. Gas central heating boilers have the least emission, yet the cost is the highest possible. Biomass boilers have affordable and vast application, and the contamination discharge is reduced. So it has been preferred in numerous locations.


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