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An important part of a vacuum furnace

The cooling system of vacuum furnace is an important part of vacuum furnace. The road should be kept free of cooling water or water temperature result downtime. This is a vacuum furnace that is usually overlaid with neglect and may cause significant damage in a vacuum furnace. The auxiliary biodegradable chemical method for cooling water to keep the mineral suspended, reduce hoses, coiled tubing and accumulation, and let the water flow sediment.


It usually USES a robot, which monitors the electrical conductivity of the water, automatically replenishes the chemical fertilizer, washes the water, and adds fresh water. With the auxiliary gas phase filtration system, the water control of the pH value can be ensured to prevent the unneeded mineral deposits in the cooling water system. After the system is stable, at least once a month, water quality test to prevent excessive or insufficient.


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Test samples of vacuum shell and heat exchanger materials should also be carried out in the water system, and the weight loss effect will be checked every year. Special attention must be paid to the diffusion pump serpentine cooler. Check regularly. If you plug in the diffuser pump, it will overheat and lose function, but it will also cause further burns to the pump heater, resulting in expensive and time-consuming repairs. When the serpentine cooling pipe is blocked, the water is disconnected from the water, and the water is drained by compressed air or diluted acetic acid solution with clean water.


The molybdenum vacuum furnace is used for accommodation, contraction, falling, and the length of the first lap will be hard and post-fusion (melting), etc. Vacuum furnace electrothermal wire construction the necessary strength, in the high temperature, the hardening and collapse or sag, the first design of the vacuum furnace heating silk, such as spiral resistance wire heating element bending radius, must pay attention to the thread pitch and diameter.


The heating element will be loose insulation lining, 95 ceramic insulation lining rack, in the vacuum furnace space suitable expansion. Use position to accommodate, 100 ~ 200 mm and solid hook, to prevent wire resistance lie. In addition, direct contact between the furnace line and each other should be avoided (short circuit), usually filled with isolation.

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