Notes

Compare biomass fuel with coal as well as gas<br>
Contrast biomass fuel with coal

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



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

Biomass pellets are easier to spark than coals, which can shorten the starting time greatly.

The strong discharge of biomass pellets is less than coal. It can lower the slag discharge fee and also air contamination. The solid discharge of biomass pellets are virtually ash, making up 0.4% ~ 7.0% of the total weight, while the solid exhaust of coal are ash, antacids, and residual coal, accounting for 25% -40% of the overall weight.

Coal's pollutant exhaust as well as rust to the boiler is far more significant than biomass pellets. Coal smoke includes a great deal of bit carbons, poisonous SO2, CO and also other rust gas Biomass pellets is generally composed of C-H organic matters, the gas emission is primarily C-H unpredictable gas, with little SO2 or CO emission. Biomass fuel is know as clean fuel. It can significantly reduce the air contamination and also carbon exhaust.

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



Compare biomass pellets as well as gas.

Price of biomass pellets and also natural gas in boilers


Allow's take a 1 load boiler for example. Expect it require 600,000 calories for 1 hr. richi pellet mill work out the required quantity of natural gas and biomass pellets. By increasing their system price, we can exercise the complete expense As the kind show, biomass pellets set you back much less than gas.



Kcal/kg pricerequired quantitytotal expense.

gas 9000 ￥ 3.6/ m366m3 ￥ 238.

biomass pellets4200 ￥ 900/t 140kg ￥ 126.



Natural gas is a non-renewable source, like coal as well as oil. Biomass energy is the chemical form of solar power. It includes timber, forestry waste, crop waste, aquatic plant, animal dung, plant wastes. Each year, the biomass generated by photosynthesis depends on 173 billion bunch, equal to 10-20 times the yearly global power intake, yet only 3% of them are utilized. As long as there is sunshine, the biomass power will certainly never ever run out.



In some backwoods, gas is not offered. Meanwhile, with more factories change coal-fired boilers right into natural gas boiler, the cost of gas is going to rise up. By comparison, biomass power is abundant in rural areas. They are easy to acquire as well as process, which do not take much cost.



The ash deposits of wood pellets after shedding has minerals as well as carbon. It can be made use of as fertilizer on farm as well as in yard. You can gather the ash deposits from biomass boilers for future usage.



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

Under the setting protection stress, coal central heating boilers are limited in many cities. Lots of factories have switched over to biomass boiler or gas central heating boiler. Here I 'd like to contrast the 3 boilers and also determine which is the most effective.



First investment.

In term of the boilers with the same capacity, gas boilers require the greatest price, then comes biomass central heating boiler, and coal boiler for the last.



Operation price.

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



Setting effect.

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



Application area.

Coal central heating boilers have actually been restricted in numerous cities, or require to be furnished with desulfurizer. coco pellet making machine is not uniform in different areas. Some areas don't have gas readily available, so biomass boilers become their best option.



Finally, to satisfy the atmosphere demand, gas central heating boilers and biomass boilers are feasible. Gas central heating boilers have the least discharge, however the price is the highest. Biomass boilers have inexpensive and also large application, and also the air pollution discharge is reduced. So it has been popular in many areas.

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