Duct heaters are used in mines

Short Description:

The duct heaters are used in mines distributes high temperature resistance wire uniformly in the high temperature resistant stainless steel fin tube, and fills the void with crystalline magnesium oxide powder with good thermal conductivity and insulation properties. When the current in the high-temperature resistance wire passes through, the heat generated is diffused to the surface of the metal tube through the crystalline magnesium oxide powder, and then transferred to the heated part or air gas to achieve the purpose of heating.

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Working principle

Duct heaters are used in mines is mainly used for air heating in the duct, specifications are divided into low temperature, medium temperature, high temperature three forms, the common place in the structure is the use of steel plate to support the electric pipe to reduce the vibration of the electric pipe, the junction box is equipped with overtemperature control device. In addition to the control of the overtemperature protection, but also installed between the fan and the heater, to ensure that the electric heater must be started after the fan, before and after the heater added a differential pressure device, in case of fan failure, the channel heater heating gas pressure generally should not exceed 0.3Kg/cm2, if you need to exceed the above pressure, please choose the circulating electric heater; Low temperature heater gas heating higher temperature does not exceed 160℃; Medium temperature type does not exceed 260℃; High temperature type does not exceed 500℃.

Product details display

Working condition application overview

In the mine operation, the safety issue has always been one of the most important considerations, miners in the harsh low temperature working environment, facing a variety of potential dangers, in order to ensure the safety of miners, mine explosion-proof electric heater came into being.

Mine explosion-proof electric heater is a kind of heating equipment specially designed for the mine environment, it uses special explosion-proof structure and materials, can operate safely in the flammable and explosive mine environment, mine explosion-proof electric heater has explosion-proof, anti-corrosion, high temperature resistance and other characteristics, can effectively meet the heating needs of miners, provide heat sources for mine operations, in the cold mine environment, Miners need to keep their bodies warm to improve work efficiency and comfort, mine explosion-proof electric heaters can quickly and stably provide heat to meet heating needs. In the low temperature environment, the mining equipment will freeze and affect the normal operation, and the mine explosion-proof electric heater can also prevent the equipment from freezing.

Application

Air duct electric heater is mainly used to heat the required air flow from the initial temperature to the required air temperature, up to 500 ° C. It has been widely used in aerospace, weapons industry, chemical industry and many scientific research and production laboratories in colleges and universities. It is especially suitable for automatic temperature control and high flow and high temperature combined system and accessory test. The electric air heater can be used in a wide range: it can heat any gas, and the generated hot air is dry and water-free, non-conductive, non-burning, non-explosive, non-chemical corrosion, pollution-free, safe and reliable, and the heated space is heated fast (controllable).