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Out-of-furnace degassing device

A gas device and air intake pipe technology, applied in the field of degassing devices, can solve problems such as pollution, affecting the use effect of metal products, impurity, etc., and achieve the effects of high process index, simple structure and low production cost

Inactive Publication Date: 2013-07-24
张家港市金邦铝业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing degassing process uses the SNIF degassing process, and the insulating gas used is nitrogen
However, nitrogen is easy to produce AL-N crystals, causing pollution and impurity, which seriously affects the use effect of metal products

Method used

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  • Out-of-furnace degassing device

Examples

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Effect test

Embodiment

[0018] Such as figure 1 As shown, a degassing device outside the furnace includes a frame body 5, and a plurality of inlet pipes 9 are installed through and installed on the upper end surface of the frame body 5, and the inlet pipe 9 is connected with an argon generator. The inside of the frame body 5 is a cavity 8 , the bottom of the cavity 8 is provided with a pipe body, and one side of the frame body is provided with an inlet 1 and an outlet 2 . In the present invention, the two ends of the pipe body communicate with the inlet 1 and the outlet 2 respectively, and the end of the air inlet pipe 9 runs through and is sealedly connected with the pipe body.

[0019] In this embodiment, considering the melting point and chemical properties, it is the best trial effect that the tube body is a graphite tube. The graphite tube is a hollow graphite tube with a diameter of 20-35 cm.

[0020] In this embodiment, a mounting bracket 6 is provided on the upper surface of the frame body ...

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Abstract

The invention discloses an out-of-furnace degassing device. The out-of-furnace degassing device comprises a rack, and is characterized in that a plurality of intake tubes penetrate through and are arranged on the upper end face of the rack, wherein the intake tube is communicated with an argon generator; the inside of the rack is of a cavity; a tube body is arranged at the bottom of the cavity; an inlet and an outlet are arranged on one side of the rack; the two ends of the tube body are respectively communicated with the inlet and the outlet; the tail end of the intake tube penetrates through and is in sealing connection with the tube body; and as an improvement, the tube body is a hollow graphite tube and has a diameter of 20-35 cm. The out-of-furnace degassing device is simple in structure, reasonable in design and low in production cost, and the purpose of degassing is achieved by using argon. As argon does not react with metal materials such as aluminum, pollution is avoided, the purity of the products is ensured, and the technical index is higher.

Description

technical field [0001] The invention belongs to the field of degassing devices, and in particular relates to a degassing device outside a furnace. Background technique [0002] With the improvement of industrial level, the application of metal products is becoming more and more common. However, along with the popularization of the use of metal products, some defects of existing metal products are also more and more obvious. Part of these defects is determined by the material itself, and the other part is determined by the processing technology. In the existing processing technology, the online degassing process is a very important station. However, the existing degassing process uses the SNIF degassing process, and the insulating gas used is nitrogen. However, nitrogen is easy to produce Al-N crystals, causing pollution and impurity, which seriously affects the use effect of metal products. Contents of the invention [0003] The technical problem to be solved by the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B9/05
Inventor 许剑
Owner 张家港市金邦铝业股份有限公司
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