Carbon fiber drying project
Jiangsu Hengshen Fiber Material Co., Ltd. is located in the National Torch Plan Danyang New Material Industry Base, covering an area of 600 acres, with a total investment of 3.6 billion yuan. Hengshen is a high-tech enterprise specializing in the research and development, design, manufacturing, sales and service of carbon fiber, carbon fiber fabric, carbon fiber prepreg and carbon fiber composite products. It has a complete industrial chain of carbon fiber and its products.
I. Project Overview
Carbon fiber is a new type of fiber material with high strength and high modulus fiber with a carbon content of 95% or more. It is a microcrystalline graphite material obtained by stacking organic fibers such as flake graphite microcrystals along the axial direction of the fiber and subjecting them to carbonization and graphitization. Carbon fiber is "flexible outside and rigid inside". Its weight is lighter than that of metal aluminum, but its strength is higher than steel, and it has the characteristics of corrosion resistance and high modulus. It not only has the inherent characteristics of carbon materials, but also has the soft processability of textile fibers. It is a new generation of reinforcing fibers.
Carbon fiber carbon materials have been widely used in various fields of the military and civilian industries. From aerospace, aviation, automotive, electronics, machinery, chemical, light textile and other civilian industries to sports equipment and leisure products. Carbon fiber reinforced composite materials can be used in military fields such as aircraft manufacturing, industrial fields such as wind power blades, electromagnetic shielding static elimination materials, artificial ligaments and other body substitute materials, as well as used in the manufacture of rocket shells, motor boats, industrial robots, automotive leaf springs, and Drive shaft, etc. Carbon fiber is a new type of industrial material in the typical high-tech field.
For carbon fiber drying, the difficulty lies in that the control of the partition temperature must be accurate and uniform. These parameters have been tested by our engineers and technical staff of the company several times, and finally an ideal and satisfactory result is obtained. The carbon fiber drying system includes a horizontal three-layer drying furnace, a main fan, a waste exhaust fan, a circulation pipe, and a thermal resistance field junction box. It contains two independent hot air circulation systems, and each temperature zone is provided with four measuring cells. The temperature is convenient for customers' observation and adjustment.
Third, engineering principles
When drying, hot air is forcedly input from above and below the material, so that the surface of each particle being dried becomes a heated surface. Increasing the contact area between the material and the hot air significantly increases the heat transfer area and shortens the distance of moisture diffusion inside the material. Therefore, it is possible to perform an excellent drying operation, especially for the material to be dried, which is added after an appropriate preliminary forming is performed. Therefore, choosing this series of dryers has the advantages of higher stability and high energy saving.
The air volume, heating temperature, material retention time and feeding speed can be adjusted to achieve good drying effect.
Flexible equipment configuration, mesh belt washing system and material cooling system can be used.
Flexible operation. After the wet materials enter the machine, the drying process is performed in a completely sealed box. The labor conditions are better and the leakage of dust is avoided.
When the dry material moves with the conveyor belt, the relative positions of the material particles are relatively fixed and have basically the same drying time. It is very suitable for some drying processes where the color of the material changes or the moisture content is required to be uniform. In addition, the material is subject to The vibration and shock are slight, and the material particles are not easily broken, so it is also suitable for drying some materials that are not allowed to be broken.
Not only can the material be dried, but sometimes it can also be roasted, cooked or cooled.
Unique air distribution device makes the hot air distribution more uniform and ensures the consistency of product quality.
Simple structure, convenient installation, and long-term operation. In the event of a failure, it can enter the cabinet for maintenance, which is convenient for maintenance.
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