Details: Category: Molybdenum knowledge; Published on 21 July 2014; Written by ling; Hits: 304

As the heat resistance of the metal molybdenum particularly good, can withstand temperature of 2600 ℃, is a refractory metal. But its oxidation resistance at temperatures above 600 ℃ significantly increased, and therefore, in order to protect molybdenum electrodes, so that will not soon be oxidized, water-cooling jacket must electrode device using, otherwise it will affect the normal functioning of the entire furnace, will force serious power furnace production.

The main role of the electrode water cooling jacket is:

① the electrode securely mounted on the furnace refractories;

② should expose that part of the air electrode was cooled to 400 ℃;

③ In the electrode insertion part to prevent high temperature refractory material, causing local damage to the refractory.

Cooling water jacket water cooling structure of the electrode including indirect protective cover, protective cover direct and rapid water cooling water cooling package protective sleeve, and gradually formed the current test electrode cooling water jacket melting furnace used. In actual use has to meet the following requirements:

① did not produce adverse effects on the glass and the surrounding refractory;

② heat absorption of liquid glass and refractory minimum;

③ electrode water cooling jacket and the cooling system is simple, easy to operate, subject to infrequent maintenance;

④ electrode easy to fast forward to the kiln.

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