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Air blowing element, composite air blowing brick and preparation method of composite air blowing brick

A technology for blowing bricks and components, which is applied to manufacturing tools, casting equipment, manufacturing converters, etc., can solve the problems of unreasonable design of ventilation slits, low blowing rate, and blockage of slits, so as to reduce oxygen burning operations, The effect of high blow-through rate and extended life

Active Publication Date: 2017-03-08
PUYANG REFRACTORIES GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the steel (or copper, aluminum) smelting process of the prior art, the gas is supplied to the high-temperature molten steel through the ventilation element or the ventilation brick to uniform the composition and temperature of the molten steel, and promote the floating of impurities in the molten steel to improve the quality of the steel; However, the design of the ventilation slits of the existing ventilation elements or ventilation bricks is not reasonable enough, and steel seepage is prone to occur during actual use, resulting in clogging of the slits and low blow-through rate

Method used

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  • Air blowing element, composite air blowing brick and preparation method of composite air blowing brick
  • Air blowing element, composite air blowing brick and preparation method of composite air blowing brick
  • Air blowing element, composite air blowing brick and preparation method of composite air blowing brick

Examples

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Effect test

Embodiment 1

[0049] Such as Figure 5 and Figure 6 As shown, the blowing element of the present embodiment is provided with a blowing passage 2 and an anti-seepage and anti-blocking passage 4 in the blowing element 1 (the blowing passage 2 and the anti-seepage and anti-blocking passage 4 are perpendicular to each other), and the anti-seepage The anti-blocking channels 4 are respectively in fluid communication with two or more blowing channels 2; the blowing channels 2 are layered in the blowing element 1, and each layer has two or more The blowing channels 2, the blowing channels 2 in each layer are fluidly connected through the anti-seepage and anti-blocking channels 4 that are independent of each other, and the blowing channels 2 in adjacent layers and the anti-seepage The anti-seepage and anti-blockage passages 4 are not in fluid communication with each other; the anti-seepage and anti-blockage passages 4 in each layer are two or more, and the adjacent anti-seepage and anti-blockage p...

Embodiment 2

[0054] Such as Figure 5 and Figure 6 As shown, the blowing element of the present embodiment is provided with a blowing passage 2 and an anti-seepage and anti-blocking passage 4 in the blowing element 1 (the blowing passage 2 and the anti-seepage and anti-blocking passage 4 are perpendicular to each other), and the anti-seepage The anti-blocking channels 4 are respectively in fluid communication with two or more blowing channels 2; the blowing channels 2 are layered in the blowing element 1, and each layer has two or more The blowing channels 2, the blowing channels 2 in each layer are fluidly connected through the anti-seepage and anti-blocking channels 4 that are independent of each other, and the blowing channels 2 in adjacent layers and the anti-seepage The anti-seepage and anti-blockage passages 4 are not in fluid communication with each other; the anti-seepage and anti-blockage passages 4 in each layer are two or more, and the adjacent anti-seepage and anti-blockage p...

Embodiment 3

[0058] Such as Figure 5 and Figure 6 As shown, the blowing element of the present embodiment is provided with a blowing passage 2 and an anti-seepage and anti-blocking passage 4 in the blowing element 1 (the blowing passage 2 and the anti-seepage and anti-blocking passage 4 are perpendicular to each other), and the anti-seepage The anti-blocking channels 4 are respectively in fluid communication with two or more blowing channels 2; the blowing channels 2 are layered in the blowing element 1, and each layer has two or more The blowing channels 2, the blowing channels 2 in each layer are fluidly connected through the anti-seepage and anti-blocking channels 4 that are independent of each other, and the blowing channels 2 in adjacent layers and the anti-seepage The anti-seepage and anti-blockage passages 4 are not in fluid communication with each other; the anti-seepage and anti-blockage passages 4 in each layer are two or more, and the adjacent anti-seepage and anti-blockage p...

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Abstract

The invention discloses a blowing element, a combined blowing brick and a manufacturing method of the combined blowing brick. Blowing channels and anti-seepage and anti-blocking channels are arranged in the blowing element. The anti-seepage and anti-blocking channels are communicated with two or more blowing channels through fluid. According to the blowing element and the blowing brick with the blowing element, steel permeability is not likely to happen in the actual using process, the blowing channel is not blocked in the blowing process, and the blow-off rate is high, so that the oxygen blowing quantity is decreased, and the smelting cost is lowered; due to the high blow-off rate, the burn-through amount of the blowing brick is decreased; and accordingly, the service life of the blowing brick is prolonged, and the smelting cost is lowered.

Description

technical field [0001] The invention relates to the field of high-temperature smelting. More specifically, it relates to an air blowing element for blowing air into a high-temperature melt, a composite air blowing brick and a preparation method for the composite air blowing brick. Background technique [0002] In the steel (or copper, aluminum) smelting process of the prior art, the gas is supplied to the high-temperature molten steel through the ventilation element or the ventilation brick to uniform the composition and temperature of the molten steel, and promote the floating of impurities in the molten steel to improve the quality of the steel; However, the design of the ventilation slits of the existing ventilation elements or ventilation bricks is not reasonable enough, and steel seepage is prone to occur during actual use, resulting in blockage of the slits and a low blow-through rate. In order to prevent the ventilation bricks from being blocked, the residual steel i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C7/072C22B9/05
CPCB22D19/08B22D41/42B22D41/58B22D11/117C21C5/48
Inventor 张厚兴吴晓刘国涛李建泽孙荣海
Owner PUYANG REFRACTORIES GRP CO LTD