Rotary Tube and Tubular Furnace
A furnace is an appliance that heats the space through hot air circulation. Rotary tube furnaces are circular furnaces that rotate during heat treatment and are often used for continuous materials processing as they can apply heat in multiple thermal control zones. A rotary tube furnace is very versatile and can be used to manufacture a range of materials, including cement clinker and alumina, or used for oxidation. A rotary tube furnace is designed for continuous materials processing as it applies heat to the sample in multiple thermal control zones. The heat is transferred from a heat source to a rotating tube, which holds the sample. A tubular furnace is an electric heating device used to conduct syntheses and purify inorganic compounds and occasionally in organic synthesis. More elaborate tubular furnaces have two heating zones useful for transport experiments and achieve a more uniform heat zone in the middle of the furnace. Tubular furnaces can also be used for thermolysis reactions involving either organic or inorganic reactants. Today, many tubular furnaces are available with different tube sizes and temperatures. A Tubular furnace is one of the most effective ways to heat a small sample while allowing rapid temperature changes and temperature uniformity.
Rotary Tube Furnace
A rotary tube furnace can be used to manufacture a selection of materials, including alumina, vermiculite, iron ore pellets, and cement clinker. A rotary tube furnace can also be used for oxidation, the increase in oxygen and loss of electrons in a sample, and calculations, a process used to effect phase transformations. A rotary tube furnace includes features such as Single and multiple zones, customized rotation speeds and gradients, fully programmable operation with fully integrated control panels, processing in air, oxygen, and inert atmospheres, optional gas mixing, detection, and alarm systems, etc. Rotary tube furnaces are primarily used because of their efficiency in heat transfer and mass transfer for powders. When compared with other types of equipment, a rotary tube furnace has one of the highest thermal efficiencies and lowest operating costs. Rotary tube furnaces burn powder, solid, gas, or liquid fuel to their working section and then heat the gas to produce a flow to the sample. A Rotary Tube Furnace is characterized by a metal barrel lined with refractory material and installed at an angle.
Tubular Furnace
A tubular furnace is also known as a vacuum or an atmospheric tubular furnace. The applications of a tubular furnace include the purification, coating, drying, hardening or aging of samples, annealing, brazing, calcinations, degassing, sintering, soldering, sublimation, synthesis, and tempering. Many tube furnaces are available, including single-zone to multi-zone with vertical to rotary tube furnaces. A multi-zone tubular furnace is designed with a multi-gas flow controller for purging inert gas inside the tube. A single-zone tubular furnace consists of a single controller, a single thermocouple & a single gas flow controller. A Vertical tubular furnace is designed for specific heat treatment applications in a vertical position. The vertical tubular furnace is mainly used for gas quenching tests under vacuum or atmospheric conditions. Different types of tubular furnaces have their advantages. Therefore, selecting the correct tube furnace is essential for heat treatment performance.
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