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Main features of dyeing and finishing equipment



The main features of dyeing and finishing equipment From the performance, process requirements, application methods and fields of dyeing and finishing equipment, dyeing and finishi…

The main features of dyeing and finishing equipment

From the performance, process requirements, application methods and fields of dyeing and finishing equipment, dyeing and finishing equipment has the following characteristics.
1. There are many types of equipment
The objects of dyeing and finishing involve loose fibers of various cloth fibers, spinning yarns, woven fabrics and knitted fabrics, etc. Due to their dyeing and finishing methods, process characteristics and quality requirements Each is different, and the corresponding finishing equipment is also different. Therefore, there are many types of dyeing and finishing equipment.
2. The equipment includes special unit machines, general unit machines, and combined machines. In the dyeing and finishing process, except for a few processes, the basic finishing methods include padding, steaming, washing, drying, and high-temperature finishing. Therefore, some unit machines can be used universally, such as padding machines, washing machines, drying machines, steaming machines, steaming boxes, etc. In the process of dyeing and finishing, combined machines are often used for continuous finishing of cotton and cotton-type fabrics, and medium-length wool-like fabrics. Therefore, there are also association engines.
3. Equipment uses many types of materials
In the dyeing and finishing process, physical and chemical methods are generally used to treat fabrics. In addition, in recent years, the operating speed of many equipment has increased significantly, and some equipment It operates under high temperature and high pressure. Therefore, certain parts and materials of the equipment are required not only to have a certain rigidity, but also to have a certain corrosion resistance and good thermal insulation properties. Therefore, there are many types of materials used in dyeing and finishing equipment. Such as cast iron, carbon steel, non-ferrous metals, alloy steel, rubber, fabric fibers, wood, plastics, ceramics, asbestos, fiberglass, stainless steel, synthetic rubber, polytetrafluoroethylene, nylon, etc., are all necessary materials for dyeing and finishing equipment.
4. Equipment production efficiency is high
At present, dyeing and finishing equipment is developing towards high speed and high efficiency. For example, the operating speed of some open-width dyeing and finishing equipment for finishing cotton, chemical fiber and other fabrics has reached 100m/min, and is still progressing to higher speeds. The operating speed of some rope-shaped steaming, scouring and bleaching combined machines Has reached 200m/min. Equipment such as short-process pre-treatment, high-speed yarn finishing, high-efficiency and powerful water washing have been widely used in dyeing and finishing. The application of new high-efficiency dyeing and finishing equipment has injected new vitality into dyeing and finishing enterprises and improved the competitiveness of my country’s fabric products in the international market.
5. Most of the equipment is larger and heavier
In order to meet the action time specified in the dyeing and finishing process, many dyeing and finishing equipment use a variety of special machinery and unit units to form a combined machine for finishing, so the equipment is relatively large. long. Some equipment’s fabrics run at a high speed and require a unit machine with a large fabric capacity. Some equipment has a wider width in order to adapt to the finishing of wide-width fabrics. Therefore, many dyeing and finishing equipment have a relatively large appearance. Most dyeing and finishing equipment are equipped with roller groups that can exert a certain amount of mechanical pressure and can operate at higher cloth speeds. In order to ensure the mechanical strength required for these equipment and reduce mechanical vibration, the equipment frame and related components are larger in size and appear bulky.
6. High transmission requirements
Mainly due to high synchronous transmission requirements and wide speed regulation range. Combining machines are often composed of multiple unit machines and special machines that are driven individually by variable frequency motors. During sorting, the surface linear speed of each active conveyor roller is required to be automatically synchronously adjusted and stable and reliable to ensure that the fabric is normal in the machine. run. Otherwise, fabric tension that is too tight or too loose will affect the normal finishing process and cause fabric defects. At the same time, due to different types of finishing fabrics, different process requirements, or due to operational needs, many equipment require that the operating cloth speed can be adjusted within a certain range.
7. High degree of automation requirements
In order to ensure the normal operation of the equipment, obtain good and stable finishing quality, rationally utilize energy and reduce the labor intensity of operators to watch and operate equipment, automatic control technology has been widely used in dyeing and finishing equipment. Automatic control technology includes dyeing and finishing process parameters (such as temperature, flow, liquid level, fluid pressure, solution concentration, fabric liquid rate, moisture content after drying, fabric PU coating material weight, wet and hot exhaust gas humidity, fabric weight per unit area, etc. ), automatic detection and adjustment of some finishing processes and automatic control of certain mechanical actions. In recent years, with the development and promotion of computer technology, computer control technology has been widely used in dyeing and finishing equipment.
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