The constant power electric heating belt is used for electric heating of the wastewater tank.
Published on:
2022-11-02 13:57
The electric heating cable uses the heat generated by the heating belt itself to compensate and maintain the heat lost by the oil storage tank to keep the flow to the most acceptable process temperature. The electric heating is evenly laid on the surface of the tank. It differs from the high-concentration heating device in a small area. The electric heating has a low temperature gradient and strong thermal stability. The power is significantly lower than that of the electric heating. Other electric heating devices. Suitable for long-term use.
The heating method of the electric belt is to maintain the oil temperature in the pipe by uniformly placing the heating belt on the surface of the tank. Compared with the electric heating method of crude oil: 1. The oil is heated evenly to ensure the continuous fluidity of the crude oil; can be put into operation immediately without the stage of preheating the crude oil in the tank, 3. No need for direct contact with the oil product, convenient maintenance and overhaul, accurate temperature control, long service life, low power consumption and low price.
Commonly used electric heating cables are constant power electric heating cables, self-limiting temperature electric heating cables, etc. D. In 2016, we delivered constant power electric heating cables for the waste oil tank at the oil and gas station in Changchun, CNOOC.
The power bus of the constant power electric heating cable is two parallel insulated copper wires, the heating wire is wound on the insulation layer, and the heating wire is connected to the bus at a certain distance to form a parallel resistance. The constant power electric heating cable has a constant calorific value per unit length. The starting current is small, and there is practically no power attenuation during operation. The constant power electric heating cable must be used with the thermostat so that different temperatures can be selected in different seasons, so as not to affect the oil temperature in the tank.
In view of the electromagnetic induction principle, the electric heating belt winding method should not be wound in a circle as much as possible The purpose is to reduce the magnetic field strength and avoid the differentiation and location of the internal charge of the crude oil in the tank. It is therefore wound vertically sinusoidal. Temperature sensor, explosion-proof terminal box, etc. d.
Thus, electric heating has the advantages of high thermal efficiency, energy saving, simple construction, convenient construction and maintenance, and long service life. And widely used in oil, gas, chemical industry, electric power, construction, food industry and other fields. In view of the principle of electromagnetic induction, the winding method of the electric heating belt should not be wound in a circle as much as possible The purpose is to reduce the magnetic field strength and avoid the differentiation and location of the internal charge of the crude oil in the tank. Therefore, it is wound vertically sinusoidal. Temperature sensor, explosion-proof terminal box, etc.
Thus, electric heating has the advantages of high thermal efficiency, energy saving, simple construction, convenient construction and maintenance, and long service life. And widely used in oil, gas, chemical industry, electric power, construction, food industry and other fields.
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