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What is the difference between industrial furnaces and boilers? What are the types of industrial furnaces
Time: 2023-08-10
industrial furnace and boiler
boiler and industrial furnace is the most widely used industrial and civil production equipment, is an important tool for energy utilization and transformation, is an important source of contribution to air pollution,
is also the main object of air pollution prevention and control work. So do you know what is the difference between industrial furnaces and boilers? The definition of boiler is "equipment that uses the heat energy released by fuel combustion or the heat from other sources to heat water or other working substances (such as organic heat carriers, etc.) to produce steam, hot water or other working substances with specified temperature and pressure) and quality for industrial production and/or civil use" ("Boiler Air Pollutant Emission Standard" DB31/387.2018); Furnaces and kilns are "in industrial production, thermal equipment that uses the heat generated by fuel combustion or electric energy conversion to directly carry out smelting, roasting, sintering, melting, heating and other processes of materials or workpieces" ("Emission Standard for Air Pollutants from Industrial Furnaces" DB31/860-2014) The biggest difference between
boilers and industrial kilns is that boilers have "pots" and "furnaces". The fuel is burned in the "furnace" to provide heat for the water or other working medium in the "" to produce steam, hot water or other working medium. The industrial furnace only "furnace", the direct use of fuel combustion generated by the heat or electric energy conversion of heat directly heating or smelting, sintering, heat treatment, dry "furnace" in the material or workpiece sea. What are the types of
industrial kilns?
. Industrial kilns can be divided into two categories according to the thermal system:
(1) One category is intermittent dense furnaces, also known as periodic kilns, which are characterized by intermittent production of kilns. The kiln temperature changes during each heating cycle, such as chamber kiln trolley kiln, well kiln, etc.
(2) The second category is continuous kiln, which is characterized by continuous production of kilns and temperature sections in the kilns. In the heating process, the temperature of each section is constant, and the workpiece gradually enters the high-temperature heating zone from the low-temperature preheating zone, such as continuous heating kiln and heat treatment kiln, ring kiln, stepping kiln, vibrating bottom kiln, etc.
. According to the industry, industrial furnaces can be classified as follows:
(1) metallurgical furnaces, such as coke oven, iron blast furnace, steel converter, electric furnace, etc.
(2) non-ferrous metal industrial furnace, such as aluminum electrolytic cell, magnesium electrolytic cell, flash furnace, refining and shooting furnace, blast furnace, zinc rectification furnace, etc.
(3) petrochemical furnace, such as cracking furnace, gasifier, primary converter, secondary converter, etc.
(4) building materials industrial furnace, such as rotary kiln, glass furnace, tunnel kiln, etc.
(5) electric power industrial furnace, such as power station boiler, etc.
(6) other industrial furnace, such as quenching furnace, tempering furnace, annealing furnace, heating furnace, preheating furnace, steam boiler, continuous and continuous vertical furnace, etc.
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