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ANALYSIS OF ENERGY-SAVING CAUSED BY USING BIOMASS FUEL IN COAL-FIRED BOILERS
ANALYSIS OF ENERGY-SAVING CAUSED BY USING BIOMASS FUEL IN COAL-FIRED BOILERS


ANALYSIS AND BURNING ATTRIBUTES OF BIOMASS FUELS

The supposed biomass fuel is a fuel that consists of natural materials such as plant materials and animal waste, and is the brand-new name for the oldest fuel. Usually speaking, we say that the chaff, timber cutting, stem-shaped crops, peanut shells, bark, sawdust, etc, are the fuels commonly utilized in the agricultural culture in the past.

As the market establishes slowly, it is abandoned, now it is discovered that these fuels are created. The pollution is far less than the major fuel of modern-day market - coal. So in the past couple of years there have actually been many central heating boilers committed to biomass fuels, as well as many coal-fired central heating boilers have actually been converted into biomass fuels, yet couple of examples of fuels can be totally used.

The unpredictable issue and also H web content of biomass fuel are high, indicating that it is easy to shed and also burns quick. It can adjust to boilers with high water-cooling problems in the heating system, as well as at the same time generate more flue gas than coal, so the heater is better than common coal-fired boiler. Larger.

It is additionally due to the high content of unstable issue and also H, a big amount of water vapor is produced in the fuel, a large quantity of warm is absorbed, and the C material is relatively tiny, so the reduced calorific value of the biomass fuel is fairly low. The same central heating boilers, such as fuel, are biomass, which calls for virtually two times as much fuel as bituminous coal.

Biomass fuel development and also combustion attributes

Biomass fuels are popular as a by-product of farming and also forestry products. Using biomass fuels is a procedure that transforms waste right into prize. stock feed pellet machine originate from a vast array of resources and also are conveniently offered for central heating boilers in the agro-processing sector. China affixes terrific value to the development and use of bioenergy.

Biomass fuel pellet items are still hardly ever utilized in China. We are generally burning straight, as well as the fuel combustion condition is not optimistic, as well as the fuel calorific worth usage is still really low.

Since biomass fuel itself is thought about to be waste application, it is not taken seriously from the management of the company to the management of the government for its genuinely efficient usage.

Standing of biomass fuel utilized in coal-fired boilers

In the huge backwoods, the products we used to call biomass fuels were melted in the fields as well as utilized as fertilizers to make white smoke all over in the field as well as contaminate the atmosphere.

When making use of biomass fuel, most of these units of use do not make use of the biomass fuel, so the boiler room is commonly "smoke-smoke" when melting, the fuel is accumulated indiscriminately, as well as the utilization of fuel calorific value is very reduced.

The residue created during the burning procedure usually obstructs the flue, causing the central heating boiler to melt on the normal fire, creating waste, and the boiler result is often inadequate.

Thermal effectiveness test of coal-fired boilers making use of biomass fuel The boiler thermal performance easy test is a way to gauge the thermal performance of the boiler using central heating boiler thermal back-balance.

The so-called central heating boiler thermal counterbalance is to measure the power loss of various parts and also kinds of boiler procedure, and subtract the portion of these power losses to acquire the boiler thermal efficiency.

This approach can much better discover the key point of power waste in the boiler operation process, and can comprehend the secret to resolve the central heating boiler power efficiency issue through discovery as well as analysis, so regarding recommend services according to neighborhood conditions.

5 Pointers on using coal-fired boilers to boost central heating boiler thermal effectiveness According to the above power loss detection, the main power efficiency troubles of many coal-fired central heating boilers using biomass fuel are:

1. The exhaust gas temperature is extremely high, usually getting to above 400 ° C, and also the major biomass fuel continues to melt in the tail pipeline;

2. The warm loss of the gas is not completely shed, as well as the carbon monoxide content of the tail flue gas is high. As a result of the traveling of the fuel, the neighborhood oxygen supply is doing not have, to ensure that the gas is not totally melted.


3. wood pelletizer for sale of the strong incomplete combustion is high, additionally as a result of the fuel flying. As well as burn, as well as some do not shed totally into the smokeshaft.

About these troubles, the complying with boiler reform propositions are proposed:

1. Strictly manage the air quantity and also heater unfavorable pressure, lower the flue gas flow speed, and lower the fuel trembling rate.

2. Broaden the furnace volume to raise the fuel quantity to ensure that the output will certainly not be due to making use of biomass. The fuel is clearly minimized, all the heater arches are gotten rid of, the biomass is very easy to spark, the heating system arc is not really efficient, and also the ash deposit is small, and the grate elevation can likewise be decreased.

3. The additional air is included at the exit of the heater to block a huge amount of fuel from flying away. And enhance the oxygen material in the smoke course so that the burning can continue efficiently.

Final thought

With the vast application of biomass fuels, the re-election of coal-fired central heating boilers with biomass fuels has actually ended up being particularly essential. The automation of biomass fuels will additionally be created. It is beneficial to China's existing energy utilization framework and contributes to energy saving. The standard nationwide plan of usage.


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