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Zinc and zinc alloy melt foamed ceramic centrifugal compound purification device

A technology of foam ceramics and centrifugal compounding, which is applied in the direction of centrifuges, filtration separation, separation methods, etc., can solve the problems of large flow resistance, large pressure head, and blockage of metal melt, and achieve the effect of simple device and low cost

Inactive Publication Date: 2013-01-23
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simply using foam ceramics with large thickness and small pore size, although the filtering effect is good, but it is easy to be blocked, and because of the large resistance to the flow of metal melt, a large pressure head is required

Method used

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  • Zinc and zinc alloy melt foamed ceramic centrifugal compound purification device
  • Zinc and zinc alloy melt foamed ceramic centrifugal compound purification device

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Experimental program
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Embodiment Construction

[0015] Such as figure 1 , figure 2 As shown, the present invention is realized in this way, the rotatable runner 1 is made of heat-resistant steel, the rotatable runner 1 includes a sprue and a runner perpendicular to the sprue, and the runner is a symmetrical multi-channel , to maintain a balance to the center of rotation, the collecting tank 2 is also made of heat-resistant steel, and is a ring structure, the collecting tank 2 is arranged below the water outlet 5 of the rotatable runner 1, and the water outlet 6 of the rotatable runner 1 extends The rotatable runner 1 is coaxially connected to the motor 4, and the runners of the rotatable runner 1 are respectively connected with multi-stage foam ceramic filter pieces 3.

[0016] The settings of the multi-stage ceramic foam filter are as follows: the first stage aperture is 10ppi and the thickness is 20~40mm; the second stage aperture is 20ppi thickness; the third stage aperture is 40 ppi and the thickness is 2020~40mm; the...

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Abstract

The invention relates to a zinc and zinc alloy melt foamed ceramic centrifugal compound purification device. A rotatable pouring channel is made from a heat-resisting steel and consists of a sprue and a runner vertical to the sprue, and the runner is multiple symmetrical channels and keeps in balance around a rotational center; and a flow collection groove is also made from the heat-resisting steel, is in an annular structure and is arranged below a water outlet of the rotatable pouring channel, the water outlet of the rotatable pouring channel extends into the flow collection groove by above 20mm, the rotatable pouring channel is coaxially connected with a motor, and the runner of the rotatable pouring channel is respectively connected with multi-stage foamed ceramic filter sheets. The zinc and zinc alloy melt foamed ceramic centrifugal compound purification device has the substantive features and the creativity, is simple, is low in cost, is not in environmental pollution at all and accords with the modernized green production requirements.

Description

technical field [0001] The invention relates to a purification device, in particular to a zinc and zinc alloy melt foam ceramic centrifugal composite purification device. Background technique [0002] Melt purification is a key technology to ensure the metallurgical quality of alloy materials. The purpose of zinc alloy melt purification is mainly to reduce the gas content, oxide inclusions and intermetallic compounds in the melt. Traditional zinc alloy purification can be carried out by static clarification, chlorine salt treatment, inert gas blowing and filtration. The existing technology generally adopts solvent refining, that is, chlorine salt treatment, and the main component of the refining agent is NH 4 Cl or ZnCl 2 Add a small amount of carbonate or nitrate, use chlorine salt to vaporize and precipitate a large number of microbubbles at the melting temperature of zinc alloy, and promote the gas and inclusions in the alloy to adhere to the bubbles and float up to...

Claims

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Application Information

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IPC IPC(8): C22B9/02C22C1/00B01D39/20B04B7/16
CPCY02P10/20
Inventor 戴斌煜王薇薇商景利
Owner NANCHANG HANGKONG UNIVERSITY
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