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Launder-type on-line degassing device

The technology of flow trough and column is applied in the field of flow trough type on-line degassing device, which can solve the problems of unsatisfactory degassing effect, low degassing rate of purified gas, poor structure of aluminum liquid flow, etc., achieving simple structure and improving efficiency. , good thermal insulation effect

Inactive Publication Date: 2015-12-02
QUZHOU ZHENGRONG ENVIRONMENTAL PROTECTION TECH
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  • Abstract
  • Description
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Problems solved by technology

[0003] The currently widely used online degasser has problems such as "short circuit" of aluminum liquid flow-poor structure, "foaming" of purified gas-low degassing rate, etc.
Using artificial degassing, there are many human factors, and the degassing effect is not very ideal. With the improvement of customers' requirements for product quality, simple manual degassing can no longer meet customers' quality requirements

Method used

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  • Launder-type on-line degassing device

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] The present invention provides a specific embodiment of a trough-type online degassing device, which includes a base 1, a rotary drive device 2, a column 3, a guide rail 4, a guide sleeve 5, a roller 6, a chain 7, and a lifting motor 8. Double row sprocket 9, rotating motor 10, transition connection plate 11, bearing sleeve 12, steel frame 13, hollow shaft 14, launder cover 15, launder 16, rotor part 17, lower bearing seat 18.

[0024] Described launder cover 15 is a heat preservation cover that has 4 round holes, after being strengthened with rib plate inside the 5mm steel shell, make with the ceramic fiber plate of 1200 ℃ of high temperature resistance. A circle of No. 5 channel steel is arranged in the launder cover 15, and 5 circles of graphite packing are filled in the channel steel, so as to achieve sealing with the launder 16 when closed.

[0025] No. 12...

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Abstract

The invention provides a launder-type on-line degassing device which comprises a base, a rotary driving device, an upright column, guide rails, a guide bushing, a roller, a chain, a lifting motor, a duplex chain wheel, rotating motors, a transition connection disc, bearing sleeves, a steel frame, hollow shafts, a launder cover, a launder, rotor components and a lower bearing pedestal. Through the demonstration, the launder-type on-line degassing device is stable in degassing performance, high in efficiency, and low in rejection rate, and the labor intensity of workers is reduced greatly.

Description

technical field [0001] The invention belongs to the technical field of aluminum smelting, in particular to a launder type online degassing device. Background technique [0002] The configuration of the refining system requires the use of launder-type online degassing device. When molten aluminum flows through the degassing box (launder), the inert gas is stirred in the molten aluminum through the rotating rotor nozzle to make the alloy in the melt The elements are more uniform, forming a large number of dispersed small bubbles. Due to the high partial pressure of hydrogen in the aluminum liquid, the hydrogen in the aluminum liquid continuously diffuses into the bubbles, and at the same time, some non-metallic inclusions in the aluminum liquid are adsorbed on the surface of the bubbles. The surface tension takes part of the slag out of the melt, so that useless hydrogen and some inert gas bubbles attached to non-metallic inclusions float to the liquid surface to achieve the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B21/06
CPCY02P10/20
Inventor 叶文龙
Owner QUZHOU ZHENGRONG ENVIRONMENTAL PROTECTION TECH
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