There are many kinds of hot blast stoves, the most commonly used classification is according to its fuel can be divided into burning natural gas and burning kerosene and electricity. Coal-fired and gas-fired hot stoves are the two most common hot stoves. A lot of new users will ask which is more cost-effective in the economic operation of coal-fired and gas-fired hot stoves? It is believed that every enterprise or individual who intends to purchase hot stoves is more concerned about a problem. Next, we Leshan Hot Stove Guangxi Hot Stove Factory will work with you to analyze the operation cost of these two kinds of hot stoves and make a comparison. 燃气热风炉加热设备(燃烧器)释放热量，先通过辐射传热被水冷壁吸收，水冷壁的水沸腾汽化，产生很多蒸汽进入汽包进行汽水分离(直流炉在外)，分离出的饱满蒸汽进入过热器，通过辐射、对流方法持续吸收炉膛顶部和水平烟道、尾部烟道的烟气热量，并使过热蒸汽达到所请求的工作温度。
The heating equipment (burner) of gas hot blast stove releases heat, which is absorbed by water wall through radiation heat transfer, boiling and vaporizing of water wall, producing a lot of steam into the drum for steam-water separation (outside the once-through stove). The separated full steam enters the superheater, and continuously absorbs the top of furnace and horizontal smoke through radiation and convection. The flue gas heat of the flue and tail flue, and the superheated steam can reach the required working temperature.
Coal-fired hot blast stove is a kind of energy conversion equipment. The energy input to the hot blast stove is in the form of chemical energy in fuel, electric energy, heat energy of high-temperature flue gas, etc. Through the transformation of the hot blast stove, steam, high-temperature water or organic heat carrier with certain heat energy is exported. It is mostly used in thermal power plants, ships, locomotives and industrial and mining enterprises.
First, let's analyze the purchase cost. Because the gas hot-blast stove is obviously ahead of the coal-fired hot-blast stove in terms of technology and configuration accessories. The gas hot-blast stove is equipped with special burners, and only one burner can open the cost price. Therefore, the same tonnage of hot air stove, gas hot air stove than coal-fired hot air stove price is much higher.
Secondly, the construction cost. This cost mainly comes from the investment of hot blast stove house and hot blast stove pipeline. Among them, the coal-fired hot blast stove has more auxiliary equipment, so it needs more funds to build the hot blast stove house. There is also a gas hot blast stove is fully automatic control operation, and has automatic alarm, automatic protection function. When connected to the natural gas pipeline, the burner will automatically supply gas, which can effectively save the cost of staff. Coal-fired hot stoves will spend more on staff salaries because of the need for coal feeding procedures.
Furthermore, environmental costs. This is mainly reflected in the strict audit of coal-fired hot blast stoves. Gas-fired hot stoves are more and more popular because of their economic operation, environmental protection and energy saving, and government policy encouragement.
Finally, fuel costs. Coal-fired stoves are much more expensive than gas-fired stoves in terms of fuel prices.
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