Vacuum melting furnace with pneumatic gate valve protection device
A technology of vacuum melting furnace and pneumatic gate, which is applied in the direction of furnace, crucible furnace, furnace type, etc., can solve the problems of the service life of the cylinder of the pneumatic gate valve, the influence of temperature, etc., and extend the service life service life, ensure normal operation, and avoid damage
Inactive Publication Date: 2015-02-04
SHANDONG ROITIE NEW MATERIAL SCI & TECH
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Problems solved by technology
Because the distance between the pneumatic gate valve and the graphite core is relatively close, the temperature has a great influence on the pneumatic gate valve, and the service life of the cylinder of the pneumatic gate valve decreases sharply
Method used
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Embodiment Construction
[0016] Embodiments of the present invention are further described below in conjunction with accompanying drawings:
[0017] Such as Figure 1-3 As shown, the vacuum smelting furnace with a pneumatic gate valve protection device includes a vacuum smelting furnace body 4, the upper part of the vacuum smelting furnace body 4 is connected to the main feeding chamber 1, and the bottom of the main feeding chamber 1 is equipped with a pneumatic gate valve 8. An aluminum silicate felt layer 3 is added to the cylinder 2 of the gate valve 8, and a steel shell 10 is arranged outside the aluminum silicate felt layer 3, and the top of the steel shell 10 is fixed on the cylinder of the pneumatic gate valve 8 by studs 11 and nuts 9 2 on. An upper cover 7 is arranged on the upper part of the vacuum melting furnace body 4 , and the top of the upper cover 7 is connected to the main feeding chamber 1 . A crucible 5 is arranged inside the vacuum melting furnace body 4 , and a graphite core 6 is...
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The invention relates to a vacuum melting furnace, and particularly relates to a vacuum melting furnace with a pneumatic gate valve protection device. The vacuum melting furnace with the pneumatic gate valve protection device comprises a vacuum melting furnace body, wherein the upper part of the vacuum melting furnace body is connected with a main charging chamber; the bottom of the main charging chamber is provided with a pneumatic gate valve; an air cylinder of the pneumatic gate valve is additionally provided with an aluminium silicate felt layer which is externally provided with a steel outer shell; and the top of the steel outer shell is fixed on the air cylinder of the pneumatic gate valve via a stud and a nut. According to the invention, the air cylinder of the of the pneumatic gate valve is additionally provided with the aluminium silicate felt layer which is externally provided with the steel outer shell, so that the air cylinder of the pneumatic gate valve can be prevented from being damaged by a high-temperature environment, the service lives of the air cylinder and a pneumatic element are prolonged, and the normal running of production is ensured.
Description
technical field [0001] The invention relates to a vacuum melting furnace, in particular to a vacuum melting furnace with a pneumatic gate valve protection device. Background technique [0002] Pneumatic gate valves are generally used to control the feeding of the main feeding chamber on the vacuum melting furnace. After the crucible inside the vacuum melting furnace is manufactured, it needs to be dried at a high temperature with a graphite core. The drying temperature is generally 1300°C, resulting in a high ambient temperature. Because the distance between the pneumatic gate valve and the graphite core is relatively close, the temperature has a great influence on the pneumatic gate valve, and the service life of the cylinder of the pneumatic gate valve drops sharply. Contents of the invention [0003] Based on the above deficiencies in the prior art, the technical problem to be solved by the present invention is: to provide a vacuum melting furnace with a pneumatic gate...
Claims
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Login to View More IPC IPC(8): F27B14/04F27B14/08
Inventor 周士锋贾成建班国良张成文
Owner SHANDONG ROITIE NEW MATERIAL SCI & TECH