Resin storage tank electric heating system

Published on:

2023-02-17 13:10

The viscosity of the resin will increase greatly after the temperature decreases in winter. As an example, we take the resin 86-1: at a temperature of 25 ° C, the viscosity is 130 s (4 cups), and when the temperature is reduced to 7 ° C, the viscosity can reach 320 s, increasing by almost 2.5 times. In the northern region or even the eastern region, the lowest temperature in winter is often below 0 °C, the viscosity of the resin will increase, and the material pump will be difficult to transport the resin, and often the material pump will not work, causing the engine to stop. Without solving this difficult task, it will be difficult to carry out paint and varnish production.

Because cheap material pumps are difficult to find, the industry generally heats the resin to keep the resin at a certain temperature to control the viscosity within a certain range so that production can continue normally with heat preservation.

Although there are many ways to heat, steam and water heating have obvious drawbacks, as electric heating has attracted a lot of attention. Generally speaking, the resin storage tank body should be maintained at a temperature of about 40 degrees, so you can choose a self-regulating electric heating cable.

Self-control temperature electric heating cable automatically adjusts the output and compensates according to the actual amount of heat required by the heating system. This is a new generation of constant temperature energy-saving heaters, it can be arbitrarily shortened or lengthened for a certain time. Range and multiple crossovers are allowed. And no need to worry about hot spots of high temperature and fire, easy installation, easy maintenance, all-day maintenance, high automation, low operation and maintenance costs, etc. D.

Parameters of low-temperature self-control electric heating cable

(1) Standard color: black/blue

(2) Temperature range: The maximum operating temperature is 65 ± 5 °C and the maximum sustained temperature is 90 °C.

(3) Design temperature: Polyolefin minimum-20 °C, Fluorine material minimum-60 °C

(4) Starting current: ≤ 0.5 A/m

(5) Thermal stability: After the electric heating belt has passed the thermal performance test, its power should be maintained at 90% of the original value.

(6) Bending radius: 25.4mm at-20 °C, 35mm at-60 °C

(7) Insulation resistance: The insulation resistance between the electric heating conductor and the metal shielding layer shall not be less than 50 MOM.

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