Qi Jie Technology - solving and customizing high precision heating technology with electromagnetic heating roller as the core


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Electromagnetic heating roll

Advantages of Qijie Electromagnetic Heating Roller:

The electricity saving effect is good: Compared with the heat conducting oil heating roll currently used, the electromagnetic heating roll saves more than 60% electricity.

Good working environment: completely farewell to steam, high energy consumption, leakage pollution and potential safety hazards of heat conducting oil heating rollers.

High precision of temperature control: electromagnetic heating roll has small temperature lag, which can supplement the heat carried by working medium in real time and ensure product quality.

The temperature difference on the surface of the roller is small: the electromagnetic heating roller adopts multi-stage temperature measurement and control mode, and can adjust the heating power on both sides and in the middle of the roller, so that the temperature difference on the surface of the roller can be controlled within (+1.5).

Low operating cost: no need to replace, add heat conducting oil, easy installation and disassembly, reliable operation, small maintenance

Classification and application of electromagnetic heating rollers:
1. Rubber-plastic calendering: textile adhering and rubbing, plastic sheeting and pressing, multi-layer film adhering, steel cord adhering. In the production process of plastics and rubber products, the calendering temperature of most plastics is between 160 - 220 C. The calender roll with electromagnetic heating can effectively avoid a series of problems, such as slow heating rate of heat conducting oil, environmental deterioration and fire hazard caused by leakage of heat conducting oil, lagging temperature control and high energy consumption.

2. Film composite: liquid crystal board, aluminum-plastic composite board, barreled food containers, food packaging, electronic products materials (printer circuit board, wire rack), plastic greenhouse and other agricultural and industrial materials, washing machines, refrigerators, automotive interior materials. In the production process of composite materials, precise and accurate temperature control should be carried out according to the characteristics of composite materials and adhesives. The electromagnetic heating roll can keep the temperature difference of the roll body surface within a wide range of temperature within (+1.5). It can make polyester, polyethylene, polypropylene and other materials perfectly bond with different materials such as aluminium foil, paper, iron sheet, and so on, so as to produce a variety of composite materials.

3. Paper calendering and drying: used for drying and stretching of special paper and other materials. In traditional papermaking process, the calender rolls heated by steam or oil are mostly used. Because of its low temperature and high pressure processing technology, it has been unable to overcome the problem of low paper strength. The electromagnetic heating roll is designed with patent technology, which can accurately adjust the heating temperature, and the surface temperature can be controlled within (+1.5 C). It can completely bid farewell to the high energy consumption, leakage pollution and safety hazards of steam and heat conducting oil heating rolls. At the same time, it can change the series of quality problems caused by the traditional calendering process, such as inadequate paper strength.

4. Deep processing of non-woven materials: non-woven fabrics for diapers, non-woven fabrics for car seats, textiles, polyethylene sheets and other non-woven fabrics for various purposes. In recent years, the electromagnetic heating roller plays an increasingly important role in the thermal processing of non-woven fabrics, such as foam plastics, paper diapers, automotive interior materials, which are rapidly developing. At the same time, electromagnetic heating rolls are also widely used in the composite and calendering processes of various non-woven fabrics, paper, rubber and other materials.

5. Laser anti-counterfeiting laser moulding: hot embossing for laser anti-counterfeiting laser materials. Anti-counterfeiting materials, film composite and transfer; die press, transfer printing, coating, hot stamping and so on; high-grade, cosmetic packaging materials printing.

6. Chemical synthetic fiber production