Which boiler is more economical, coal-water slurry or coal?

Introduction Which boiler is more economical, coal-water slurry or coal? Coal-water slurry is a deep cleaning technology for coal. Coal-water slurry boilers are similar to oil-fired boilers and use compressed air atomization for combustion. Its specific economy depend

Which boiler is more economical, coal-water slurry or coal?

Coal-water slurry is a deep coal cleaning technology. Coal-water slurry boilers are similar to oil-fired boilers, using atomization and combustion of compressed air. Its specific economic aspects will depend on the specific circumstances.

From the point of view of coal economy, coal-water slurry is economical. The depletion rate of coal-water slurry can reach 98%, the boiler efficiency is 85%, and the efficiency of coal-fired boilers. boilers are 75%. The coal depletion rate is approximately 70% depending on the type of coal. By analogy, coal-water grout is economical.

From a business expense perspective, due to the profits of coal-water grout manufacturers. ,The sales price of coal-water slurry is much higher than that of coal, so in terms of operating costs, coal-water slurry is higher than coal. Approxiron 10% higher than burning coal.

For large enterprises, using self-built coal slurry and water production lines can significantly reduce costs, about 20-30% lower than burning coal.

From an environmental point of view, the coal-water mixture is a clean fuel and is classified in the same category as gas. Coal combustion is subject to national environmental protection restrictions. From the perspective of environmental protection, the cost of coal-water slurry should be compared with that of natural gas.

Coal-water slurry has developed rapidly in recent years and large enterprises use water for the production and heating of coal slurry, and as the number of manufacturers increases, the cost of coal slurry and water also decreases. Generally, coal-water slurry boilers cant be used in boilers over 1 ton.

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The advantages and disadvantages of thermal energy production

1. Calculating the cost of an electric boiler: 1 kilowatt hour of electricity is needed to burn 10 kilograms of water. from 14 degrees to 100 degrees; Calculating the cost of the oil boiler: burning 10 kilograms of water from 14 degrees to 100 degrees requires 860/12,000 = 0.072 kilograms of diesel; the burning of coal is no longer permitted;

2. The boiler is energy conversion equipment. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler produces steam, high temperature water or organic heat carrier with a certain heat. energy. The original meaning of pot refers to a container of water heated over a fire, and an oven referse at a place where the fuel is burned. A boiler has two parts: a pot and an oven. The hot water or steam generated in the boiler can directly provide the heat energy required for industrial production and people's lives, or it can be converted into mechanical energy through a steam device, or the mechanical energy can be converted into electrical energy via a generator. . Boilers that provide hot water are called hot water boilers. They are mainly used in everyday life and also have a small number of applications in industrial production. Boilers that generate steam are called steam boilers, often referred to as boilers, and are mainly used in thermal power plants, ships, locomotives, and industrial and mining enterprises.

Advantages:

1 Since there are many coal reserves on earth, the price of coalrbon is cheaper

2. a thermal power plant The cost of the power plant is lower than the cost of a hydroelectric power plant of the same power

3. Thermal power production is not affected by climate and region, while hydropower production is affected by climate. and region

Disadvantages:

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1. Coal is not renewable,

2 The energy use rate is very low, less than a third. energy is used and two-thirds of the energy becomes waste heat,

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3. The heat generated and the exhaust gases have a negative impact on the environment.The environment has an impact.

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