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Fluid stirring and purifying element with arc air channel

A technology of purification components and fluid stirring, which is applied in the direction of manufacturing tools, casting molten material containers, metal processing equipment, etc., can solve the problems of poor purification effect of molten steel stirring, long cleaning time of burning oxygen, and large stress of breathable bricks, etc., to achieve The effect of reducing the probability of overall transection, avoiding excessive loss, and high blowing rate

Pending Publication Date: 2022-04-12
PUYANG REFRACTORIES GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is to provide a kind of fluid agitation and purification element with circular arc air passage, to solve the long time of burning oxygen cleaning of the existing fully penetrated slit ventilating brick (burning oxygen cleaning time is too long will cause Leading to large loss of air-permeable bricks due to oxygen-burning cleaning), labor-intensive on-site hot repair operations, high stress in the service process of air-permeable bricks, and poor mixing and purification of molten steel, etc.

Method used

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  • Fluid stirring and purifying element with arc air channel
  • Fluid stirring and purifying element with arc air channel
  • Fluid stirring and purifying element with arc air channel

Examples

Experimental program
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Embodiment 1

[0033] The schematic diagram of the structure of the fluid agitation and purification element with arc air channels in this embodiment is shown in figure 1 and figure 2 .

[0034] like figure 1 and figure 2 As shown, in this embodiment, the fluid agitating and purifying element with circular arc air passage includes a brick core body 1, a metal steel shell 3, a refractory mud layer 4, a metal bottom 6 and a metal tail pipe 8; the brick core body 1 has a circular The arc blowing air passage 2 and the arc blowing air passage 2 are arranged along the length direction of the brick core body 1. On any cross section of the brick core body 1: the arc blowing air passage 2 starts from the axis of the adjacent brick core body 1 The place extends toward the direction of the facade adjacent to the brick core body 1, and the shape of the arc blowing air channel 2 is an arc. The metal steel shell 3 is fixedly installed on the outer wall surface of the brick core body 1 through the re...

Embodiment 2

[0043] Compared with Embodiment 1, the structure of the fluid agitating and purifying element with circular arc air channels in this embodiment differs only in that an arc air supply channel 9 is set on the brick core body 1, and its specific schematic diagram is shown in Figure 4 and Figure 5 .

[0044] like Figure 4 As shown, in addition to the same structure as in Embodiment 1, the fluid agitation and purification element with circular arc air channels in this embodiment also has an inter-arc air supply channel 9 in the brick core body 1, and the inter-arc air supply channel 9 The first end is in fluid communication with the arc blowing air channel 2, and the second end opening of the arc air supply channel 9 is located on the upper end surface of the brick core body 1; the arc air supply channel 9 The height of the brick core body 1 where it is located is 1 / 10 of the overall height of the brick core body 1; The ratio is 0.5:10; the cross-section of the arc air supply...

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Abstract

The fluid stirring and purifying element comprises a brick core body, the brick core body is internally provided with an arc air blowing channel, and the arc air blowing channel is arranged in the length direction of the brick core body. On any cross section of the brick core body, the arc blowing air channel extends from the position close to the axis of the brick core body to the position close to the outer vertical face of the brick core body, and the arc blowing air channel is in an arc shape. In the service process, the working face is easy to purge and clean, the blow-through rate is high, the air permeability is adjustable, meanwhile, the thermal shock stability is good, and the overall cross section of the working face can be prevented; and the problems of long oxygen burning cleaning time, high labor intensity of on-site hot repair operation, high stress generated in the service process of the air brick, poor molten steel stirring and purifying effects and the like of the existing fully-through slit air brick are solved.

Description

technical field [0001] The invention relates to the technical field of fluid agitation and purification. Specifically, it is a fluid agitation and purification element with arc air channels. Background technique [0002] In the iron and steel smelting industry, slit-type ventilation bricks are widely used due to their long service life and large air flow. The traditional slit-type permeable bricks are prone to affect the normal use of the permeable bricks due to the overall cross-section of the brick core and the penetration of steel through the slits during use. This not only affects the production efficiency of iron and steel smelting, but also greatly reduces the Increased the production cost of iron and steel smelting. Therefore, many technicians have improved the slit-type ventilation brick. Among them, there is an improvement method: transform the traditional slit that only penetrates in the longitudinal direction into an annular slit that penetrates both in the lon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/02C21C7/072
CPCY02W10/10
Inventor 刘国涛李建泽张思思张宁田光军王伟胜罗三峰
Owner PUYANG REFRACTORIES GRP CO LTD
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