CN216039677U - Fluid stirring and purifying element - Google Patents

Abstract

The utility model discloses a fluid stirring and purifying element, which comprises a brick core body, a ventilation channel, a steel sleeve, a metal bottom plate and a metal tail pipe, wherein the brick core body is provided with a brick core hole; the air-permeable passage is longitudinally communicated with the top of the brick core body from the bottom of the brick core body, the steel sleeve is fixedly installed on the outer surface of the brick core body, the metal bottom plate is positioned at the air inlet end of the brick core body and is fixedly connected with the steel sleeve on the side surface of the brick core body, the metal tail pipe is fixedly connected with the metal bottom plate, the axis of the metal tail pipe is perpendicular to the bottom surface of the metal bottom plate, and the metal tail pipe is communicated with the air-permeable passage through an air hole formed in the metal bottom plate. The utility model can effectively reduce the probability of cross-cut and steel infiltration in the using process and has the advantages of long service life, high blow-through rate, large air permeability and the like.

Description

Fluid stirring and purifying element

Technical Field

The utility model relates to the technical field of fluid purification. In particular to a fluid stirring and purifying element.

Background

With the development of industrial technology, the social demand is continuously increased, and the whole industrial industry puts higher requirements on the quality and the quality of steel, so that steel companies are forced to continuously upgrade smelting technology; therefore, the refining proportion and the difficulty of steel smelting are continuously improved, and higher requirements are provided for the stability and the smoothness of the smelting process. Since 2008, the whole iron and steel enterprises enter the micro-profit era, the profit margin in 2011 is only 2.4%, so that a plurality of steel mills are in loss states, so that the iron and steel companies are greatly developing cost reduction and benefit enhancement from various aspects, and the price reduction of refractory product suppliers is one of the reasons. Against this background, customers have made higher demands for functional refractory gas bricks as key elements of secondary refining: long service life, large air permeability and high blow-through rate.

The slit type air brick has the advantages of long service life and large air permeability, but certain transverse and steel infiltration probability exists in the using process, so that the smelting rhythm is influenced; in addition, the slit-type air brick usually needs oxygen burning maintenance during hot repair, which increases the cost of labor, energy and the like. Therefore, the existing air brick products need to be improved urgently, and the air permeability is increased while the air permeability is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to provide a fluid stirring and purifying element, which can be used as an air brick to prevent the air brick from being airtight due to the slit being blocked by molten steel or steel slag, can effectively reduce the probability of cross-cut and steel infiltration during the use process, and has the advantages of long service life, high blow-through rate, large air permeability, etc.

In order to solve the technical problems, the utility model provides the following technical scheme:

a fluid stirring and purifying element comprises a brick core body made of refractory materials, a ventilation channel, a steel sleeve, a metal bottom plate and a metal tail pipe; the air-permeable passage is longitudinally communicated with the top of the brick core body from the bottom of the brick core body, the steel sleeve is fixedly mounted on the outer surface of the brick core body, the metal bottom plate is positioned at the air inlet end of the brick core body and is fixedly connected with the steel sleeve on the side surface of the brick core body, the metal tail pipe is fixedly connected with the metal bottom plate, the axis of the metal tail pipe is perpendicular to the bottom surface of the metal bottom plate, and the metal tail pipe is communicated with the air-permeable passage through an air hole formed in the metal bottom plate.

In the fluid stirring and purifying element, the cross section of the air-permeable channel is of a star-ring structure; the star ring structure is formed by connecting two or more star-delta units in series; the star-and-corner unit is composed of a first star ring segment and a second star ring segment, the length and the width of the first star ring segment are equal to those of the second star ring segment, and the included angle between the first star ring segment and the second star ring segment is 10-45 degrees.

In the fluid stirring and purifying element, the cross section of the air-permeable passage is a round-cornered star ring; the round star ring is formed by connecting two or more round star ring units in series; the fillet star ring unit consists of a first fillet star ring edge, a fillet star ring arc connecting edge and a second fillet star ring edge, wherein one end of the fillet star ring arc connecting edge is connected with the first fillet star ring edge, and the other end of the fillet star ring arc connecting edge is connected with the second fillet star ring edge; the first round-corner star-ring edge consists of a straight line segment and an arc segment, the shape and the size of the second round-corner star-ring edge are the same as those of the first round-corner star-ring edge, and the second round-corner star-ring edge and the first round-corner star-ring edge are symmetrically distributed around a perpendicular bisector of the arc-shaped connecting edge of the round-corner star-ring; in one fillet star ring unit, the straight line segment of the first fillet star ring edge is connected with the fillet star ring arc-shaped connecting edge, and the arc line segment of the first fillet star ring edge is connected with the arc line segment of the second fillet star ring edge in the adjacent fillet star ring unit.

In the fluid stirring and purifying element, the cross section of the air-permeable channel is a straight-angle star ring; the straight star ring is formed by connecting two or more straight star ring units in series; the flat-angle star ring unit consists of a first flat-angle star ring edge, a flat-angle star ring connecting edge and a second flat-angle star ring edge, wherein one end of the flat-angle star ring connecting edge is connected with the first flat-angle star ring edge, and the other end of the flat-angle star ring connecting edge is connected with the second flat-angle star ring edge; the first flat-angle star-ring edge consists of a long straight section and a short straight section, the shape and the size of the second flat-angle star-ring edge are the same as those of the first flat-angle star-ring edge, and the second flat-angle star-ring edge and the first flat-angle star-ring edge are symmetrically distributed around a perpendicular bisector of a connecting edge of the flat-angle star-ring; in one of the rectangular star ring units, the long straight section of the first rectangular star ring edge is connected to the rectangular star ring connecting edge, and the short straight section of the first rectangular star ring edge is connected to the short straight section of the second rectangular star ring edge in the adjacent rectangular star ring unit.

In the fluid stirring and purifying element, the cross section of the air-permeable channel is a straight-angle circular arc transition star ring, and the straight-angle circular arc transition star ring is formed by connecting two or more straight-angle circular arc transition star ring units in series; the straight angle circular arc transition star ring unit consists of a first straight angle circular arc transition star ring edge, a straight angle circular arc transition connecting edge and a second straight angle circular arc transition star ring edge, wherein one end of the straight angle circular arc transition connecting edge is connected with the first straight angle circular arc transition star ring edge, and the other end of the straight angle circular arc transition connecting edge is connected with the second straight angle circular arc transition star ring edge; the first straight angle circular arc transition star-ring edge consists of a first short straight transition section, a first arc transition section and a long straight transition section, the straight angle circular arc transition connection edge consists of a second arc transition section, a second short straight transition section and a third arc transition section, the second arc transition section and the third arc transition section are symmetrically distributed about a perpendicular bisector of the second short straight transition section, and the first short straight transition section, the first arc transition section, the long straight transition section, the second arc transition section, the second short straight transition section and the third arc transition section are sequentially connected end to end; the shape and size of the second flat-angle circular arc transition star ring edge are the same as those of the first flat-angle circular arc transition star ring edge, and the second flat-angle circular arc transition star ring edge and the first flat-angle circular arc transition star ring edge are symmetrically distributed around the perpendicular bisector of the second short straight transition section; the first short straight transition section of the first flat-angle circular arc transition star ring edge of one flat-angle circular arc transition star ring unit is connected with the first short straight transition section of the second flat-angle circular arc transition star ring edge of the adjacent flat-angle circular arc transition star ring unit.

In the fluid stirring and purifying element, the brick core body comprises an outer brick core body, an inner and outer brick core connecting body and an inner brick core body, the outer brick core body is provided with an axial cavity, the inner brick core body is fixedly arranged in the axial cavity, and the air permeable channel is formed between the inner surface of the outer brick core body and the outer surface of the inner brick core body; one end of the inner brick core body and the outer brick core body is fixedly connected with the inner surface of the outer brick core body, and the other end of the inner brick core body is fixedly connected with the outer surface of the inner brick core body; the steel sleeve is fixedly arranged on the outer surface of the outer brickwork body; the metal bottom plate is fixedly connected with the steel sleeve arranged on the side surface of the outer brickwork body.

In the fluid stirring and purifying element, the width of the air-permeable channel is 0.18-2 mm, and the cross section of the inner and outer brick core connecting body is isosceles trapezoid, regular triangle, ellipse or circle; the ratio of the total cross-sectional area of the inner and outer brick core connecting bodies to the expansion area of the ventilation channel is (1:5) - (1: 10).

In the fluid stirring and purifying element, the upper end surface of the inner brickwork body is flush with the upper end surface of the outer brickwork body, and the lower end surface of the inner brickwork body is flush with the lower end surface of the outer brickwork body, namely the bottom surface of the brickwork body comprises the lower end surface of the inner brickwork body and the lower end surface of the outer brickwork body; an air chamber is arranged between the metal bottom plate and the bottom surface of the brick core body, a fluid inlet end of the air chamber is communicated with the metal tail pipe fluid, and a fluid outlet end of the air chamber is communicated with the ventilation channel fluid.

In the fluid stirring and purifying element, the upper end surface of the inner brickwork body is flush with the upper end surface of the outer brickwork body, and the vertical distance from the lower end surface of the inner brickwork body to the metal bottom plate is greater than the vertical distance from the lower end surface of the outer brickwork body to the metal bottom plate; the space enclosed by the lower end face of the inner brick core body, the outer brick core body and the metal bottom plate is an air chamber, the fluid inlet end of the air chamber is communicated with the metal tail pipe, and the fluid outlet end of the air chamber is communicated with the air-permeable channel.

In the fluid stirring and purifying element, the height of the gas chamber is 5mm, the steel sleeve is a stainless steel plate, and the metal bottom plate is a carbon steel plate; the metal tail pipe is a heat-resistant pressure-resistant steel pipe.

The technical scheme of the utility model achieves the following beneficial technical effects:

(1) dozens of scattered air gaps are arranged on the traditional air brick, and once one or more air gaps are completely or partially blocked, the stirring and purifying effects can be greatly influenced. The fluid stirring and purifying element mainly comprises an inner brick core body and an outer brick core body, wherein a slit ventilation channel which is completely communicated along the longitudinal direction of the brick core body is arranged between the inner brick core body and the outer brick core body, most of the communicated slit ventilation channel is communicated on the cross section of the brick core body, and the fluid stirring and purifying element is an integral and completely communicated ventilation channel structure, namely, the ventilation channel is communicated along the longitudinal direction of the brick core body and is also communicated in a zigzag manner in the circumferential direction of the brick core body, namely, the ventilation channel is communicated in all directions on the slit layer. Of course, in order to ensure that the inner brick core body and the outer brick core body are not separated due to the slit air-permeable passage, 80-90% of the air-permeable space between the inner brick core body and the outer brick core body is the slit air-permeable passage, and the other 10-20% of the air-permeable space between the inner brick core body and the outer brick core body is connected and communicated by refractory materials. The ventilation channel is communicated with the whole slit layer, gas can be ventilated in the whole channel when flowing through the ventilation channel, the ventilation channel is partially blocked, and gas can bypass a blocking object to ventilate.

(2) According to the fluid stirring and purifying element, the air permeability function is realized by the full-through slit air channel between the inner brick core body and the outer brick core body; the ventilation channel realizes full communication on the slit layer, thus fundamentally avoiding small ventilation amount or no ventilation of the slit part caused by blockage of the ventilation brick due to penetration of molten steel or steel slag, and ensuring that the element realizes 100% ventilation rate in the use process. In the using process, the blowing-through rate of 100 percent can be realized, so the hot repair oxygen burning maintenance operation is reduced, the manpower required by oxygen burning, the consumption of the oxygen burning steel pipe and the combustible gas (such as oxygen) required by oxygen burning are greatly reduced, the comprehensive cost is reduced, and the smelting rhythm is accelerated. In addition, the fluid stirring purification element can also adjust the thickness of the slit by adjusting the thickness of the slit forming object and the length of the slit on the circumference of the brick body during molding so as to achieve the purpose of adjusting the cross section area of the slit ventilation channel and further realize the purpose of adjusting the ventilation quantity.

Drawings

FIG. 1 is a cross-sectional view of the construction of the fluid-agitating purification element of the present invention;

FIG. 2 is a top view of the structure of a fluid-agitating purification member according to embodiment 1 of the present invention;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2;

FIG. 4 is a top view of the structure of a fluid-agitating purification member according to embodiment 2 of the present invention;

FIG. 5 is a top view of the structure of a fluid-agitating purification member according to embodiment 3 of the present invention;

FIG. 6 is an enlarged view of the utility model at B in FIG. 5;

FIG. 7 is a top view of the structure of a fluid-agitating purification member according to embodiment 4 of the present invention;

fig. 8 is an enlarged view of the utility model at C in fig. 7.

The reference numbers in the figures denote: 1-a metal tail tube; 2-a metal base plate; 3-air chamber; 4-steel sleeve; 5-refractory mortar; 6-brick core body; 7-outer brick core body; 8-inner brick core body; 9-a ventilation channel; 10-a vent hole; 11-star corner unit; 111-a first star ring segment; 112-a second star ring segment; 12-a fillet star ring unit; 121-a first rounded star edge; 1211-straight line segment; 1212-arc segment; 122-round star-shaped ring arc-shaped connecting edges; 123-second rounded star-ring edge; 13-a straight star ring unit; 131-a first flat star-ring edge; 1311-long straight section; 1312-short straight section; 132-a straight star ring connecting edge; 133-second flat star-ring edge; 14-straight angle circular arc transition star ring unit; 141-a first flat angle circular arc transition star-ring edge; 1411-a first short straight transition section; 1412-a first arcuate transition section; 1413-long straight transition section; 142-straight angle circular arc transition connecting edge; 1421 — a second arc transition; 1422 — second short straight transition; 1423-third arc transition section; 143-second flat angle circular arc transition star ring edge.

Detailed Description

Example 1

The fluid stirring purification element of the embodiment is shown in fig. 1 and 2, and comprises a brick core body 6 made of refractory material, a ventilation channel 9, a steel sleeve 4, a metal bottom plate 2 and a metal tail pipe 1; the steel sleeve 4 is a stainless steel plate, and the metal bottom plate 2 is a carbon steel plate; the metal tail pipe 1 is a heat-resistant pressure-resistant steel pipe; air channel 9 vertically link up to the top of brick core body 6 from the bottom of brick core body 6, steel bushing 4 passes through welded mode fixed mounting on the surface of brick core body 6, metal bottom plate 2 is located the inlet end of brick core body 6 and passes through welded mode fixed connection with steel bushing 4, metal tail pipe 1 also is through welded mode fixed connection with metal bottom plate 2, and the axis of metal tail pipe 1 is perpendicular with the bottom surface of metal bottom plate 2, metal tail pipe 1 switches on with air channel 9 fluid through seting up air vent 10 on metal bottom plate 2.

The brick core body 6 comprises an outer brick core body 7, an inner and outer brick core connecting body and an inner brick core body 8, the outer brick core body 7 is provided with an axial cavity, the inner brick core body 8 is fixedly arranged in the axial cavity, an air-permeable channel 9 is formed between the inner surface of the outer brick core body 7 and the outer surface of the inner brick core body 8, and the width of the air-permeable channel 9 is 2 mm; the number of the inner brick core and outer brick core connecting bodies is 6, one end of each inner brick core and outer brick core connecting body is fixedly connected with the inner surface of the outer brick core body 7, and the other end of each inner brick core connecting body is fixedly connected with the outer surface of the inner brick core body 8; the ratio of the total cross-sectional area of the inner and outer brick core connecting bodies to the unfolding area of the ventilation channel 9 is 1: 10; the 6 inner and outer brick core connectors are respectively 2 isosceles trapezoids, 2 regular triangles and 2 circles, so that the outer brick core body 7 and the inner brick core body 8 can be connected more firmly and are not easy to block; the steel sleeve 4 is fixedly arranged on the outer surface of the outer brickwork body 7; the metal bottom plate 2 is fixedly connected with a steel sleeve 4 arranged on the lower end face of the outer brickwork body 7.

The upper end face of the inner brickwork body 8 is flush with the upper end face of the outer brickwork body 7, and the vertical distance from the lower end face of the inner brickwork body 8 to the metal bottom plate 2 is greater than the vertical distance from the lower end face of the outer brickwork body 7 to the metal bottom plate 2; the space enclosed by the lower end surface of the inner brickwork body 8, the outer brickwork body 7 and the metal bottom plate 2 is an air chamber 3, the fluid inlet end of the air chamber 3 is communicated with the metal tail pipe 1 by fluid, and the fluid outlet end of the air chamber 3 is communicated with the air-permeable channel 9 by fluid; the height of the air chamber 3 is 5 mm.

As shown in fig. 2 and 3, the cross section of the ventilation channel 9 in the present embodiment is a round star ring; the round star ring is formed by connecting 12 round star corner ring units 12 in series; the fillet star ring unit 12 is composed of a first fillet star ring edge 121, a fillet star ring arc connecting edge 122 and a second fillet star ring edge 123, one end of the fillet star ring arc connecting edge 122 is connected with the first fillet star ring edge 121, and the other end is connected with the second fillet star ring edge 123; the first circular star ring edge 121 consists of a straight line section 1211 and an arc section 1212, the second circular star ring edge 123 has the same shape and size as the first circular star ring edge 121, and the second circular star ring edge 123 and the first circular star ring edge 121 are symmetrically distributed about the perpendicular bisector of the circular star ring arc connecting edge 122; in one of the fillet star ring units 12, the straight line segment 1211 of the first fillet star ring edge 121 is connected to the fillet star ring arc connecting edge 122, and the arc line segment 1212 of the first fillet star ring edge 121 is connected to the arc line segment 1212 of the second fillet star ring edge 123 in the adjacent fillet star ring unit 12.

In this embodiment, the ventilation channel 9 is made of a burnable material, the burnable material is pressed into the shape of the ventilation channel 9 shown in fig. 2 before molding, and at the same time, in order to ensure a certain communication between the refractory materials of the inner and outer brick cores, 6 holes are made in the burnable material, the shapes of the holes are 2 isosceles trapezoids, 2 regular triangles and 2 circles, respectively, and the ratio of the total cross-sectional area of the 6 holes to the expanded area of the ventilation channel 9 is 1: 10. During molding, the inner brick core body and the outer brick core body need to be added with refractory materials at the same time; after the brick core body is formed, finished product packaging is obtained through drying, firing, sleeving a steel sleeve and welding.

In other embodiments, the connector units may be of other shapes, as well as securely join the outer and inner brickwork 7, 8 together.

The working principle of the fluid stirring and purifying element of the embodiment is as follows: when the argon gas inlet pipe is used, argon gas input from the pipeline enters the gas chamber 3 through the metal tail pipe 1, the argon gas uniformly enters the ventilation channel 9 after being buffered in the gas chamber 3 to a certain degree, and the ventilation channel 9 is in a full-communicated type, so that the gas pressure in the whole ventilation channel 9 is consistent, and the argon gas flow and the bubble size blown out from each part of the ventilation channel 9 at the top of the brick core body 6 are the same. When the ladle receives molten steel, if molten steel permeates into the local ventilating channel due to the hydrostatic pressure of the molten steel, the local ventilating channel is blocked, but the ventilating performance of the whole brick core body 6 cannot be influenced. If more and deeper molten steel permeates into the ventilation channel 9, after the brick core body 6 is ventilated, gas can bypass the blocked part and normally ventilate through the ventilation channel 9; if the molten steel permeating into the gas permeable passage 9 is less and shallow, the permeated molten steel can be gradually flushed out of the gas permeable passage 9 under the flushing of large-flow gas after the gas permeable brick core is ventilated.

In the fluid stirring and purifying element of the embodiment, the air permeable function is realized by the full-through slit air channel between the inner brick core body and the outer brick core body; the ventilation channel realizes full communication on the slit layer, thus fundamentally avoiding small ventilation amount or no ventilation of the part of the slit caused by blockage of the ventilation brick due to penetration of molten steel or steel slag, and ensuring that the ventilation brick realizes 100% ventilation rate in the use process. In the using process, the blowing-through rate of 100 percent can be realized, so the hot repair oxygen burning maintenance operation is reduced, the manpower required by oxygen burning, the consumption of the oxygen burning steel pipe and the combustible gas such as oxygen required by oxygen burning are greatly reduced, the comprehensive cost is reduced, and the smelting rhythm is accelerated. The service life of the fluid stirring and purifying element of the embodiment can reach 28 times through tests.

In addition, the fluid stirring purification element of the embodiment can also adjust the thickness of the slit by adjusting the thickness of the slit forming object and the length of the slit on the circumference of the brick body during the forming process, so as to achieve the purpose of adjusting the cross section area of the slit ventilation channel 9 and further achieve the purpose of adjusting the ventilation quantity.

Example 2

The structure of the fluid stirring purification element of the present embodiment is shown in fig. 1 and 4, which is different from embodiment 1 only in the cross-sectional shape of the gas-permeable channel 9, and as shown in fig. 4, the cross-section of the gas-permeable channel 9 is a star-ring structure; the star ring structure is formed by connecting 8 star-delta units in series; the star-angle unit consists of a first star ring segment and a second star ring segment, the length and the width of the first star ring segment and the width of the second star ring segment are equal, and the included angle between the first star ring segment and the second star ring segment is 42 degrees.

The fluid stirring and purifying element of the embodiment can also realize the blow-through rate of 100 percent, and the service life can reach 29 times.

Example 3

The structure of the fluid stirring purification element of the present embodiment is shown in fig. 1 and 5, which is different from embodiment 1 only in the cross-sectional shape of the air-permeable passage 9, as shown in fig. 5 and 6, the cross-section of the air-permeable passage 9 is a flat angular star ring; the straight star ring is formed by connecting 8 straight star ring units 13 in series; the flat angular star ring unit 13 is composed of a first flat angular star ring edge 131, a flat angular star ring connecting edge 132 and a second flat angular star ring edge 133, wherein one end of the flat angular star ring connecting edge 132 is connected with the first flat angular star ring edge 131, and the other end is connected with the second flat angular star ring edge 133; the first rectangular star-and-loop edge 131 is composed of a long straight section 1311 and a short straight section 1312, the second rectangular star-and-loop edge 133 has the same shape and size as the first rectangular star-and-loop edge 131, and the second rectangular star-and-loop edge 133 and the first rectangular star-and-loop edge 131 are symmetrically distributed about a perpendicular bisector of the rectangular star-and-loop connecting edge 132; in one of the rectangular star ring units 13, the long straight section 1311 of the first rectangular star ring edge 131 is connected to the rectangular star ring connecting edge 132, and the short straight section 1312 of the first rectangular star ring edge 131 is connected to the short straight section 1312 of the second rectangular star ring edge 133 of the adjacent rectangular star ring unit 13.

The fluid stirring and purifying element of the embodiment can also realize the blow-through rate of 100 percent, and the service life can reach 28.

Example 4

The structure of the fluid stirring purification element of the present embodiment is shown in fig. 1 and 7, which is different from the structure of embodiment 1 only in the cross-sectional shape of the air-permeable passage 9, and as shown in fig. 7 and 8, the cross-section of the air-permeable passage 9 is a straight angle circular arc transition star ring formed by connecting 8 straight angle circular arc transition star ring units 14 in series; the straight angle circular arc transition star ring unit 14 is composed of a first straight angle circular arc transition star ring edge 141, a straight angle circular arc transition connecting edge 142 and a second straight angle circular arc transition star ring edge 143, one end of the straight angle circular arc transition connecting edge 142 is connected with the first straight angle circular arc transition star ring edge 141, and the other end is connected with the second straight angle circular arc transition star ring edge 143; the first straight circular arc transition star-shaped annular edge 141 is composed of a first short straight transition section 1411, a first circular arc transition section 1412 and a long straight transition section 1413, the straight circular arc transition connecting edge 142 is composed of a second circular arc transition section 1421, a second short straight transition section 1422 and a third circular arc transition section 1423, the second circular arc transition section 1421 and the third circular arc transition section 1423 are symmetrically distributed about a perpendicular bisector of the second short straight transition section 1422, and the first short straight transition section 1411, the first circular arc transition section 1412, the long straight transition section 1413, the second circular arc transition section 1421, the second short straight transition section 1422 and the third circular arc transition section 1423 are sequentially connected end to end; the shape and size of the second right-angle circular arc transition star ring edge 143 are the same as those of the first right-angle circular arc transition star ring edge 141, and the second right-angle circular arc transition star ring edge 143 and the first right-angle circular arc transition star ring edge 141 are symmetrically distributed with respect to the perpendicular bisector of the second short-straight transition section 1422; the first short straight transition 1411 of the first plano-circular arc transition star ring rim 141 of one plano-circular arc transition star ring unit 14 is connected with the first short straight transition 1411 of the second plano-circular arc transition star ring rim 143 of the adjacent plano-circular arc transition star ring unit 14.

The fluid stirring and purifying element of the embodiment can also realize the blow-through rate of 100 percent, and the service life can reach 29 times.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims (10)

1. A fluid stirring and purifying element is characterized by comprising a brick core body (6) made of refractory materials, a ventilation channel (9), a steel sleeve (4), a metal bottom plate (2) and a metal tail pipe (1); ventilative passageway (9) certainly the bottom of brick core body (6) vertically link up to the top of brick core body (6), steel bushing (4) fixed mounting be in on the surface of brick core body (6), metal bottom plate (2) are located brick core body (6) inlet end and with brick core body (6) side steel bushing (4) fixed connection, metal tail pipe (1) with metal bottom plate (2) fixed connection, just the axis of metal tail pipe (1) with the bottom surface of metal bottom plate (2) is perpendicular, metal tail pipe (1) through seting up air vent (10) on metal bottom plate (2) with ventilative passageway (9) fluid switches on.

2. The fluid-agitating purification element according to claim 1, wherein the cross-section of the gas-permeable passage (9) is a star-ring structure; the star ring structure is formed by connecting two or more star-delta units (11) in series; the star-and-corner unit is composed of a first star ring segment (111) and a second star ring segment (112), the length and the width of the first star ring segment (111) and the width of the second star ring segment (112) are equal, and the included angle between the first star ring segment (111) and the second star ring segment (112) is 10-45 degrees.

3. Fluid-agitating purification element according to claim 1, wherein the cross-section of the gas-permeable passage (9) is a rounded star; the round star ring is formed by connecting two or more round star ring units (12) in series; the fillet star ring unit (12) consists of a first fillet star ring edge (121), a fillet star ring arc connecting edge (122) and a second fillet star ring edge (123), wherein one end of the fillet star ring arc connecting edge (122) is connected with the first fillet star ring edge (121), and the other end of the fillet star ring arc connecting edge is connected with the second fillet star ring edge (123); the first fillet star-ring edge (121) consists of a straight line segment (1211) and an arc line segment (1212), the second fillet star-ring edge (123) is the same as the first fillet star-ring edge (121) in shape and size, and the second fillet star-ring edge (123) and the first fillet star-ring edge (121) are symmetrically distributed about a perpendicular bisector of the fillet star-ring arc-shaped connecting edge (122); in one of the circular bead star ring units (12), the straight line segment (1211) of the first circular bead star ring edge (121) is connected with the circular bead star ring arc-shaped connecting edge (122), and the arc line segment (1212) of the first circular bead star ring edge (121) is connected with the arc line segment (1212) of the second circular bead star ring edge (123) in the adjacent circular bead star ring unit (12).

4. Fluid-agitating purification element according to claim 1, wherein the cross-section of the gas-permeable passage (9) is a flat star-ring; the straight star ring is formed by connecting two or more straight star ring units (13) in series; the straight angle star ring unit (13) consists of a first straight angle star ring edge (131), a straight angle star ring connecting edge (132) and a second straight angle star ring edge (133), one end of the straight angle star ring connecting edge (132) is connected with the first straight angle star ring edge (131), and the other end of the straight angle star ring connecting edge is connected with the second straight angle star ring edge (133); the first flat angular star ring edge (131) consists of a long straight section (1311) and a short straight section (1312), the second flat angular star ring edge (133) is the same as the first flat angular star ring edge (131) in shape and size, and the second flat angular star ring edge (133) and the first flat angular star ring edge (131) are symmetrically distributed about a perpendicular bisector of the flat angular star ring connecting edge (132); in one of the rectangular star ring units (13), the long straight section (1311) of the first rectangular star ring edge (131) is connected to the rectangular star ring connecting edge (132), and the short straight section (1312) of the first rectangular star ring edge (131) is connected to the short straight section (1312) of the second rectangular star ring edge (133) of the adjacent rectangular star ring unit (13).

5. The fluid-agitating purification element according to claim 1, wherein the cross section of the gas-permeable passage (9) is a straight-angle circular-arc transition star ring formed by two or more straight-angle circular-arc transition star ring units (14) connected in series; the straight angle circular arc transition star ring unit (14) consists of a first straight angle circular arc transition star ring edge (141), a straight angle circular arc transition connecting edge (142) and a second straight angle circular arc transition star ring edge (143), one end of the straight angle circular arc transition connecting edge (142) is connected with the first straight angle circular arc transition star ring edge (141), and the other end of the straight angle circular arc transition star ring unit is connected with the second straight angle circular arc transition star ring edge (143); the first straight-angle circular arc transition star-shaped annular edge (141) consists of a first short straight transition section (1411), a first arc transition section (1412) and a long straight transition section (1413), the straight-angle circular arc transition connecting edge (142) consists of a second arc transition section (1421), a second short straight transition section (1422) and a third arc transition section (1423), the second arc transition section (1421) and the third arc transition section (1423) are symmetrically distributed about a perpendicular bisector of the second short straight transition section (1422), and the first short straight transition section (1411), the first arc transition section (1412), the long straight transition section (1413), the second arc transition section (1421), the second short straight transition section (1422) and the third arc transition section (1423) are sequentially connected end to end; the shape and size of the second right-angle circular arc transition star-ring edge (143) are the same as those of the first right-angle circular arc transition star-ring edge (141), and the second right-angle circular arc transition star-ring edge (143) and the first right-angle circular arc transition star-ring edge (141) are symmetrically distributed about a perpendicular bisector of the second short straight transition section (1422); the first short straight transition (1411) of the first plano-circular arc transition star ring edge (141) of one plano-circular arc transition star ring unit (14) is connected with the first short straight transition (1411) of the second plano-circular arc transition star ring edge (143) of the adjacent plano-circular arc transition star ring unit (14).

6. The fluid-agitated purification element according to claim 1, wherein the brick core body (6) comprises an outer brick core body (7), an inner and outer brick core body connector and an inner brick core body (8), the outer brick core body (7) having an axial cavity, the inner brick core body (8) being fixedly mounted in the axial cavity, the air-permeable passage (9) being formed between the inner surface of the outer brick core body (7) and the outer surface of the inner brick core body (8); one end of the inner brick core and the outer brick core connecting body is fixedly connected with the inner surface of the outer brick core body (7), and the other end of the inner brick core connecting body is fixedly connected with the outer surface of the inner brick core body (8); the steel sleeve (4) is fixedly arranged on the outer surface of the outer brickwork body (7); the metal bottom plate (2) is fixedly connected with the steel sleeve (4) arranged on the side surface of the outer brickwork body (7).

7. The fluid stirring purification element as claimed in claim 6, wherein the width of the air-permeable channel (9) is 0.18-2 mm, and the cross section of the inner and outer brick core connecting bodies is isosceles trapezoid, regular triangle, ellipse or circle; the ratio of the total cross-sectional area of the inner and outer brick core connecting bodies to the development area of the ventilation channel (9) is (1:5) - (1: 10).

8. Fluid-agitating purification element according to claim 6, wherein the upper end face of the inner brickwork (8) is flush with the upper end face of the outer brickwork (7), and the lower end face of the inner brickwork (8) is flush with the lower end face of the outer brickwork (7), i.e. the bottom face of the brickwork body (6) comprises the lower end face of the inner brickwork (8) and the lower end face of the outer brickwork (7); an air chamber (3) is arranged between the metal bottom plate (2) and the bottom surface of the brick core body (6), the fluid inlet end of the air chamber (3) is in fluid communication with the metal tail pipe (1), and the fluid outlet end of the air chamber (3) is in fluid communication with the ventilation channel (9).

9. Fluid-agitating purification element according to claim 6, wherein the upper end-face of the inner brickwork (8) is flush with the upper end-face of the outer brickwork (7), the vertical distance of the lower end-face of the inner brickwork (8) to the metal floor (2) being greater than the vertical distance of the lower end-face of the outer brickwork (7) to the metal floor (2); the lower end face of the inner brick core body (8), the outer brick core body (7) and the space enclosed by the metal bottom plate (2) are air chambers (3), the fluid inlet ends of the air chambers (3) are in fluid communication with the metal tail pipes (1), and the fluid outlet ends of the air chambers (3) are in fluid communication with the air-permeable channels (9).

10. The fluid-agitating purification element of claim 8 or 9, wherein the height of the gas chamber (3) is 5mm, the steel jacket (4) is a stainless steel plate, and the metal base plate (2) is a carbon steel plate; the metal tail pipe (1) is a heat-resistant pressure-resistant steel pipe.

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