Working Principle and Application of Graphitization Furnace
Mar 30,2023
The graphitization furnace is mainly used for high temperature treatment such as purification of graphite powder. Its use temperature is up to 2800. High production efficiency, energy saving. Through the online temperature measurement and control system, the temperature in the furnace can be monitored in real time and adjusted automatically.
The main purpose of 1. graphitization furnace:
1. High temperature sintered hard alloy material;
2. High temperature treatment of battery anode material:
3. High temperature treatment of graphite powder:
4. Sintering of high thermal conductivity film:
5. Carbonization and graphitization of carbon fiber:
6. High temperature sintering of contact materials, ceramics and high temperature components;
7. High temperature sintering of powder metallurgy materials, tungsten carbide and other products;
8. The product is fired in an argon protective atmosphere.
Main features of 2. graphitization furnace:
1. The working temperature is as high as 2800 degrees, the temperature uniformity is good, and the equipment failure rate is low.
2. Equipped with an infrared temperature measurement and control system, which can display in real time and automatically control the temperature in the furnace through PID, and the quality of the products produced is stable. At the same time, the product requirements are guaranteed.
3. Adopt three-phase power supply mode, three-phase power balance, stable performance. Unlike the carbon tube furnace using single-phase power supply, the phase voltage is unbalanced, which has a great impact on the power grid and affects the operation of other equipment.
4. The use temperature is high, up to 3000, working in 2600-2800
5. thermal insulation materials with carbon felt, without carbon black. The replacement of carbon tubes is convenient and clean at the same time.
6. The heating time is short, up to 200/hour.
7. The furnace body has good sealing performance and low protective gas loss. All flanges and furnace covers are sealed with sealing strips.
8. Furnace liner and flange made of stainless steel material, no rust, long service life.
9. Equipped with vacuum pump for furnace gas replacement, short ventilation time, less gas consumption.
If a graphitization furnace is used, cooling water is required. When using the cooling circulating water device, the appropriate connector should be selected; the water temperature should be set at 20; use low-hardness clean water as the circulating water. If tap water is used as cooling water, the following points should be noted:
(1) The water delivery equipment is within 7 meters of the instrument.
(2) The return pipe of the cooling water is connected and fixed with the drain pipe to prevent water from splashing.
(3) The water supply flow rate is required to be 0.6~1.5L/min, and the pressure is between 0.08MPa -0.15MPa. If the water flow rate is too large or too small, the safety equipment will be activated and cannot be heated and measured. When the water pressure exceeds 0.17MPa, the pressure relief device should be added.
(4) Use special pipes for cooling circulating water.
(5) The pipeline for cooling circulating water may become hard and less elastic due to long-term use, so it is required to be replaced once a year. After replacement, make sure that the pipe is not leaking before use.
(6)When the cooling water temperature is 10~30 ℃, the safety device will start when it is too high or too low, and the instrument heating and measurement cannot be carried out. In addition, it is better to pay attention to the difference between water temperature and room temperature. If the difference between room temperature and water temperature is large, condensation will occur.
(7)When the cooling water temperature is less than 10 ℃ or more than 30 ℃, please use the cooling circulating water device.
Previous article
Related News