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Rotary gas foaming device

A gas foaming and rotating technology, applied in the field of foaming aluminum production equipment, can solve the problems of uneven foaming, achieve high foaming rate, ensure sufficient foaming, and simple structure

Active Publication Date: 2017-09-15
浙江金汤塑胶科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the deficiencies of the prior art, through the high-pressure foaming gas to output the aluminum liquid at high pressure, the aluminum liquid passes through the gas curtain, and the aluminum liquid is injected into the foaming gas at high pressure and fully contacted, so as to realize the aluminum liquid Uniform foaming, solving the problem of uneven foaming in the prior art

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as figure 1 , 2 As shown in and 3, a rotary gas foaming device includes a foaming chamber 1, a drive assembly 2 fixedly arranged above the foaming chamber 1, an aluminum liquid output pipe 3 and a gas output pipe 4, and the aluminum liquid output The tube 3 is rotated vertically on the top of the foam chamber 1, and its interior is hollow and installed, and communicates with the interior of the foam chamber 1 through a plurality of liquid outlet holes 31 opened thereon; The gas output pipe 4 runs through the aluminum liquid output pipe 3 and is sealed and fixedly connected to its axial two ends. One end of the gas output pipe 4 is fixedly connected to the drive assembly 2, and the other end is closed. A gas nozzle 41 is opened above the top of the gas output pipe 4; the foaming gas inside the gas output pipe 4 compresses the aluminum liquid inside the aluminum liquid output pipe 3 through a plurality of gas compression ports 42 opened thereon, and is ejected throu...

Embodiment 2

[0037] The inventor believes that in order to better implement the technical solution, it is necessary to further clarify the implementation manner, so the inventor described the second embodiment on the basis of the first embodiment.

[0038] Such as figure 1 , 2 As shown in and 3, a rotary gas foaming device includes a foaming chamber 1 and a drive assembly 2 fixedly arranged above the foaming chamber 1, and also includes:

[0039] The aluminum liquid output pipe 3, the aluminum liquid output pipe 3 is installed on the top of the foaming chamber 1 by rotating in the vertical direction, the inside of which is hollow and arranged, and passes through a plurality of liquid outlet holes 31 and The interior of the foaming chamber 1 is connected; the aluminum liquid in the aluminum liquid output pipe 3 is sprayed out along the liquid outlet hole 31 and forms a liquid streamline 32 around it, and the liquid streamline 32 passes through the gas curtain 43 in a parabola shape, Compl...

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Abstract

The invention relates to a rotary gas foaming device comprising a foaming chamber and a driving assembly fixedly arranged above the foaming chamber and also comprising a molten aluminum output pipe and a gas output pipe; the molten aluminum output pipe is rotatably arranged at the top of the foaming chamber along a vertical direction, the inside of the molten aluminum output pipe is hollow and communicates with the foaming chamber by a plurality of liquid outlet holes formed in the molten aluminum output pipe; the gas output pipe passes through the molten aluminum output pipe and is fixedly connected with two end surfaces in the axial direction of the molten aluminum output pipe in a sealing way; one end of the gas output pipe is fixedly connected with the driving assembly, and the other end of the gas output pipe is set to be closed and is provided with a gas nozzle; and molten aluminum is output by a high-pressure foaming gas at high pressure and is then scattered by a gas curtain, and the molten aluminum is in sufficient contact with the foaming gas for many times, so that gas foaming of the molten aluminum is realized, and the problem of foaming nonuniformity existing in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of foamed aluminum production equipment, in particular to a rotary gas foaming device. Background technique [0002] The application of aluminum continues to increase due to its low density, high stiffness, corrosion resistance and good formability. This trend is particularly evident in the automotive industry, household appliances and construction industries, where there is a huge demand for aluminum with complex shapes and higher strength; It is to add a certain foaming agent into molten aluminum or aluminum alloy. The foaming agent decomposes at high temperature, releases gas, stays in the melt, and forms metal foam after solidification. The pores of the aluminum foam produced by this method are independent of each other and can be used as sound-absorbing cushioning materials, but its disadvantages are that the distribution of pores is poor, the operation is difficult, and the production is uncontrollabl...

Claims

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Application Information

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IPC IPC(8): C22C1/08
CPCC22C1/08C22C1/086
Inventor 黄招凤
Owner 浙江金汤塑胶科技股份有限公司
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