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pre oxidation furnace oven kiln.jpg
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pre oxidation furnaces kilns ovens dryers.jpg

Custom Pan Pitch Based Carbon Fiber Oxidation Furnace Kiln Oven

Carbon fiber oxidation furnace(kiln oven) with cross flow, down flow and parallel flow in custom designing , uniform airflow, temperature and pressure, high efficient heating circulation utilized.

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    product details

    description1

    product introduction
    product characteristics
    technical parameters
    installation & service
    e-catalogue
    drawing

    01

    product introduction

    Oxidation furnace/kiln/oven of Yanneng electric heating is to use the principle of converting electrical energy into thermal energy to heat the polyacrylonitrile precursor, so that the fiber will not melt or burn under high temperature carbonization in the following processing. Oxidation treatment can improve the yield and mechanical properties of carbon fibers and continue to maintain the fiber strength. Yanneng oxidation furnace/kiln/oven is mainly composed of electric heating equipment, temperature control parts, heating chamber and accessories.

    carbon fiber processing

    product characteristics

    The heating element of Yanneng usually adopts high-efficiency and stable nickel-chromium alloy resistance wire, which has high resistivity and high melting point. When the electric heating furnace is powered on, current passes through the resistance wire, and the resistance wire is heated by the current. The heat will be evenly transferred to the carbon fiber around through the patented air duct designing, with a temperature difference of about ±3 degrees in the whole pre oxidation furnace/kiln/oven chamber.

    Yanneng temperature control device is used to control the temperature of the electric heating furnace/kiln/oven chamber. the temperature control part includes thermistors, thermocouples and temperatures sensors, etc., which can sense the temperature change inside or outside the electric heating furnace and transmit the signal to the control circuit. The control circuit controls the temperature by controlling the on and off of the heating element according to the received signal.

    Furnace/kiln/oven chamber is the space where the electric furnace is used to place precursor fiber to be heated. Yanneng chamber is usually made of high temperature resistant materials, such as stainless steel or ceramic. It has good insulation and thermal conductivity, and can remain stable and safe in high temperature environments.

    Oxidation Furnace/Kiln/Oven Parameters

    NO. Technical Property Specification
    1  Input Voltage Furnace/Kiln/Oven： 380V  50Hz；
    2 Overall Dimension 15500×3400×1650（L×W×H）
    3 Hearth Dimension 12000×2600×600mm
    4 Mesh Belt Width 2500mm
    5 Mesh Belt Driving Motor 3.0KW(Variable Frequency)
    6 Mesh Belt Speeding（Variable Frequency） Maxium Speeding 400mm/min
    Regular Speeding 100—400mm/min（Adjustable）
    7 Heating Type The electric heating tube heats the hot air in a circulation way, and the circulating fan sucks it in and blows air from top to bottom.
    8 Heating Power All Power:576KW，12 Heating Areas,Power of Individual Heating Area:48KW
    9 The Circulation Fan Fan Quantity 12 sets
    Fan Power 4-72-3.6A    2.2KW/set
    Wind Volume 1703m3/h（Variable Frequency）
    Wind Pressure 369pa
    10 Temperature 300℃
    11 Working Temperature regular--300℃（adjustable）
    12 Temperature Tolerance ±3℃
    13 升温速度 3℃/min
    14 Temperature Control Point A double-head temperature measuring thermocouple is used, one for heating zone temperature control (2 temperature control points), and the other for heating zone extreme over-temperature protection (12 extreme over-temperature protection points).
    15 On-site temperature Testing points Each heating zone is equipped with on-site temperature testing points and on-site temperature testing instruments, totaling 12 nos
    16 Air and Nitrogen Inlet Each Zone is equipped with an independent flow meter and regulating valve for replenishing fresh air. There is a bypass nitrogen pipeline on the main fresh air pipeline. Fresh air is supplied by a high-pressure vortex fan, and the fresh air inlet is located at the central inlet of the hot air circulation fan; the nitrogen outlet is located at the interval of each heating zone, and a horizontal pipeline layout is adopted. All air and nitrogen are controlled by manual valves. Single flow meter flow: 25 cubic meters/hour Total flow: 25 cubic meters × 12 = 300 cubic meters/hour
    17 Control Mode PID automatic program control, both manual and automatic
    On-site panel operation, PC-side monitoring communication system can be installed according to customer needs;
    Each zone has independent temperature control instrument and over-temperature alarm function
    Alarm form: sound and light alarm; set and display parameters in the temperature controller.

    Installation&Service

    order communication workflow

    e-catalogue

    jiuane

    drawing

    oxidation furnace kiln oven drawing
    pre oxidation furnace kiln oven

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