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Method and device for shortening pidgeon method reduction cycle and extending reduction jug durability

A technology for reducing the tank and the tank wall, which is applied in the field of shortening the reduction period of the Pidgeon method and prolonging the service life of the reduction tank and the device field, can solve the problems such as the service life of the reduction tank being only 2-3 months, the collapse of the tank wall and the failure, etc. To achieve the effect of shortening the reduction cycle, long service life, and enhancing creep resistance

Inactive Publication Date: 2006-02-15
刘伟杰
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Problems solved by technology

On the other hand, since the Pidgeon reduction tank works under high temperature and vacuum for a long time, the tank wall will gradually collapse due to high temperature creep, and then fail
At present, the average service life of the reduction tank is only 2-3 months

Method used

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  • Method and device for shortening pidgeon method reduction cycle and extending reduction jug durability
  • Method and device for shortening pidgeon method reduction cycle and extending reduction jug durability

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Embodiment Construction

[0016] The present invention overcomes the disadvantages of long reduction period and short service life of the traditional Pidgeon method by providing an internal device called a reduction tank intensifier for the horizontal reduction tank. However, the present invention does not change the existing technological process and equipment of the Pidgeon method, nor does it increase the difficulty of loading and unloading materials.

[0017] figure 1 and figure 2 Respectively are the transverse and longitudinal sectional views of the reduction tank strengthener (one of the embodiments). It can be seen that the strengthener (100) is composed of three reinforcing plates that are radial and at an angle of 120 degrees to each other, one of the reinforcing plates (101) has a slope, and the other two reinforcing plates (102) are prefabricated with some slag leakage. hole (103). During installation, the inclined-plane reinforcing plate (101) must be in a vertical state, and the incli...

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Abstract

The invention provides a reinforcement device arranged in reaction zone of horizontal Pidgeon Process reduction tank, which has well heat-conducting property to convey rapidly the heat from tank wall to low-temperature zone on tank center and benefit to heat all material quickly and evenly and cut reduction time with Pidgeon Process. It also balances the pressure on tank wall to prolong the creep resistance and service life of the tank. The double-bottom charge chute and a method to unload with predetermined slag through hole make it possible to load and unload material for reduction tank with reinforcement device.

Description

Technical field [0001] The present invention relates to the improvement of the traditional Pidgeon metal extraction process and equipment, more precisely, it shortens the metal reduction period and prolongs the reduction period by providing a method and device that can simultaneously enhance the heat transfer efficiency and creep resistance of the reduction tank The service life of the tank can be extended, thereby effectively improving the production efficiency and economic benefits of the Pidgeon process. [0002] The description of the present invention will take the refining of metal magnesium as an example. But by extension, it is also completely suitable for refining other volatile metals, such as calcium, strontium, zinc and so on. Background technique [0003] Invented in the 1940s, the Pidgeon metal extraction method (US Patent No. 2330143, Canadian Patent No. 415764, 415765 and 463416) is a method suitable for refining various volatile metals (such as magnesium, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B26/22
Inventor 刘伟杰
Owner 刘伟杰
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