What should be paid attention to when purchasing electric heating wires?

What should be paid attention to when purchasing electric heating wires?

Supply status

1. Wire and disc elements are supplied in a white or oxidized soft state.

2. Except for special requirements, the strip is generally supplied in oxidized color after annealing.

3. After annealing with protective gas, the fine and flat wires are supplied in a bright and soft state.

packing of products

1. Wire and strip are wrapped in wrapping cloth and supplied in rolls.

2. Fine and flat wires, supplied with plastic wrap around the shaft.

matters needing attention

1. When designing electric furnace wires, the power wiring method should be followed, the surface load should be reasonable, and the wire diameter should be selected correctly;

2. Before installing the electric furnace wire, a comprehensive inspection of the furnace should be carried out to remove ferrite, carbon deposition, and potential hazards in contact with the electric furnace, to avoid short circuits and prevent wire breakdown;

3. The electric furnace wire should be correctly connected according to the designed wiring method during installation;

4. Before using the electric furnace wire, the sensitivity of the temperature control system should be checked to prevent temperature failure and damage to the electric furnace wire.

The embedded ceramic far-infrared electric heating plate is a result obtained based on the guidance of international advanced technology and years of research. It has the characteristics of high technological content, good overall performance, cleanliness and hygiene, convenient assembly, acid resistance, corrosion resistance, safe use, and long service life. It can be widely used in various infrared drying, baking, curing and other occasions such as vacuum molding, food baking, medical and health care. It has ideal energy-saving effects in industries such as electronic textiles, light industry, electromechanical chemical, medical, food, etc., and has obvious social and economic benefits.

Fundamentals of Heating Plate Heat Transfer

1. The infrared characteristics (wavelengths) emitted by objects with different characteristics are different, and the infrared of different characteristics is easily accepted by objects with similar characteristics - that is, the infrared emitted by solid substances is easily absorbed by solids and not easily absorbed by gases.

2. The modes of heat transfer include radiation, conduction, and convection.

3. Heat energy is important at low temperatures (90%) and is transmitted through radiation, with its radiation intensity inversely proportional to the fourth power of temperature.

The absorption of radiant heat energy is inversely proportional to the surface blackness of the heated object.

5. The thermal conductivity of a heated object is inversely proportional to the temperature gradient (both on the surface and outside) and directly proportional to the thermal resistance.

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