CN217677605U

CN217677605U - High-performance refractory castable structure for blast furnace lining

Info

Publication number: CN217677605U
Application number: CN202221190353.9U
Authority: CN
Inventors: 姜玉正; 姜玉毅
Original assignee: Huaxi Furnace Refractory Co ltd Henan
Current assignee: Huaxi Furnace Refractory Co ltd Henan
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-28
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a blast furnace inside lining high performance refractory castable structure relates to blast furnace technical field, including furnace body and inside lining chamber, the inside lining chamber is located the inside of furnace body, the top of furnace body is provided with the locating frame, department is fixed with fixed frame through the connecting plate in the middle of the inside of locating frame, the top of fixed frame is fixed with spacing frame, the backup pad is installed through elevating system in the inside of spacing frame, the top of backup pad is fixed with the annular tube, the top of annular tube is connected with the inlet pipe that is used for refractory material loading, and the bottom of annular tube is annular array and is connected with a plurality of discharging pipe, through the direction of rotation and the number of turns of the one-way lead screw of first motor control, makes the backup pad along spacing groove rebound, and then makes annular tube and discharging pipe wholly rebound to pack the inside lining chamber with refractory material successive layer, avoid the refractory material in the inside lining chamber bubble cavity to promote the stability of blast furnace inside lining when using.

Description

High-performance refractory castable structure for blast furnace lining

Technical Field

The utility model relates to the technical field of blast furnaces, in particular to a high-performance refractory castable structure for a blast furnace lining.

Background

The blast furnace is made of steel plate as shell, refractory brick lining is built in the shell, and the blast furnace body is divided into furnace throat, furnace body, furnace waist, furnace belly and furnace hearth from top to bottom.

But when filling refractory material to the inner liner of blast furnace on the existing market, the structure of adopting is difficult to during the inner liner of successive layer with refractory material filling to the blast furnace, causes in the inner liner that finishes filling, contains a large amount of bubble cavities, and then stability and security when influencing the blast furnace follow-up use, and in addition, current notes material structure is difficult to install fast with the blast furnace, leads to the device use, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blast furnace inside lining high performance refractory castable structure to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blast furnace inside lining high performance refractory castable structure, includes furnace body and inside lining chamber, the inside lining chamber is located the inside of furnace body, the top of furnace body is provided with the posting, the department is fixed with fixed frame through the connecting plate in the middle of the inside of posting, the top of fixed frame is fixed with spacing frame, the backup pad is installed through elevating system in the inside of spacing frame, the top of backup pad is fixed with the annular pipe, the top of annular pipe is connected with the inlet pipe that is used for refractory material loading, and the bottom of annular pipe is annular array and is connected with a plurality of discharging pipe, the bottom of discharging pipe extends to in the inside lining chamber, because a plurality of discharging pipe is annular array and distributes in the bottom of annular pipe, consequently, can be more even when refractory material gets into the inside lining chamber.

Preferably, elevating system includes controller and first motor, the controller is fixed in one side of locating frame, first motor is installed in the inside of fixed frame, the transmission shaft of first motor extends to the inside of spacing frame, inside one side of spacing frame is rotated through the pivot and is connected with one-way lead screw, the one end of one-way lead screw is connected with the transmission shaft of first motor, one-way lead screw and backup pad threaded connection, the spacing groove that is used for the backup pad to go up and down to use is seted up to the outer wall of spacing frame, first motor and controller electric connection, through the direction of rotation and the number of turns of one-way lead screw of first motor control, can make the backup pad along spacing groove rebound, and then make annular pipe and discharging pipe whole rebound to pack the inside lining chamber with the refractory material successive layer.

Preferably, a first guide pillar is fixed to one side, close to the one-way screw rod, of the inside of the limiting frame, and the first guide pillar penetrates through the supporting plate to further improve stability of the supporting plate when the supporting plate moves along the limiting groove.

Preferably, the bottom both sides of posting all have splint, two through slide rail sliding connection the outside of splint is provided with the card frame, the inside both sides of card frame all are provided with the limiting plate, two the limiting plate respectively with two splint fixed connection, and be provided with interval adjustment mechanism between two limiting plates.

Preferably, the distance adjusting mechanism comprises a second motor, a second guide pillar and a bidirectional screw rod, the second motor is installed outside the clamping frame, the second guide pillar and the bidirectional screw rod are located inside the clamping frame and perpendicular to the limiting plates, the second guide pillar penetrates through the two limiting plates, two ends of the second guide pillar are fixed to the clamping frame, a transmission shaft of the second motor extends into the clamping frame and is connected with one end of the bidirectional screw rod, the two clamping plates are respectively in threaded connection with two sides of the bidirectional screw rod, the second motor is electrically connected with the controller, the bidirectional screw rod is driven by the second motor to rotate, the two limiting plates move oppositely along the second guide pillar, and the two clamping plates are clamped on two sides of the outer wall of the furnace body to improve stability of the positioning frame at the top of the furnace body.

Preferably, the splint are of arc-shaped structures, and the outer wall of the splint is fixed with a high-temperature-resistant rubber pad, so that the splint can be further attached to the outer wall of the furnace body, and the stability of the splint on the outer wall of the furnace body is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this blast furnace inside lining high performance refractory castable structure, through the direction of rotation and the number of turns of the one-way lead screw of first motor control, makes the backup pad along spacing groove rebound, and then makes the whole rebound of annular pipe and discharging pipe to fill the inside lining chamber with the refractory material successive layer, avoid the refractory material in the inside lining chamber bubble cavity to appear, thereby promote the stability when blast furnace inside lining uses.

2. This blast furnace inside lining high performance refractory castable structure drives two-way lead screw through the second motor and rotates, makes two limiting plates carry out the phase to each other removal along the second guide pillar, and then makes two splint clamp tightly in the outer wall both sides of furnace body to promote the stability of locating frame at the furnace body top, also improve the convenient degree in the locating frame installation simultaneously.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

figure 2 is a top view of the fixed frame in embodiment 1;

FIG. 3 is a top view of the annular tube in example 1;

FIG. 4 is a bottom view of the annular tube in example 1;

FIG. 5 is a front view of embodiment 2;

fig. 6 is a schematic structural view of a card frame in embodiment 2.

In the figure: 1. a positioning frame; 2. a support plate; 3. a limiting groove; 4. a one-way screw rod; 5. a first guide post; 6. a feeding pipe; 7. an annular tube; 8. a discharge pipe; 9. a controller; 10. a furnace body; 11. a lining cavity; 12. a limiting frame; 13. a splint; 14. clamping a frame; 15. a second motor; 16. a second guide post; 17. a bidirectional screw rod; 18. a limiting plate; 19. a high temperature resistant rubber pad; 20. a fixing frame; 21. a first motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 4, the blast furnace lining high-performance refractory castable structure of the embodiment includes a furnace body 10 and a lining cavity 11, the lining cavity 11 is located inside the furnace body 10, a positioning frame 1 is arranged at the top of the furnace body 10, a fixing frame 20 is fixed at the middle part inside the positioning frame 1 through a connecting plate, a limiting frame 12 is fixed at the top of the fixing frame 20, a supporting plate 2 is installed inside the limiting frame 12 through a lifting mechanism, a ring-shaped pipe 7 is fixed at the top of the supporting plate 2, the top of the ring-shaped pipe 7 is connected with a feeding pipe 6 for feeding refractory materials, the bottom of the ring-shaped pipe 7 is connected with a plurality of discharging pipes 8 in an annular array manner, the bottom ends of the discharging pipes 8 extend into the lining cavity 11, and the plurality of discharging pipes 8 are distributed at the bottom of the ring-shaped pipe 7 in an annular array manner, so that the refractory materials can be more uniform when entering the lining cavity 11; the lifting mechanism comprises a controller 9 and a first motor 21, the controller 9 is fixed on one side of the positioning frame 1, the first motor 21 is installed inside the fixing frame 20, a transmission shaft of the first motor 21 extends into the limiting frame 12, one side inside the limiting frame 12 is rotatably connected with a one-way lead screw 4 through a rotating shaft, one end of the one-way lead screw 4 is connected with the transmission shaft of the first motor 21, the one-way lead screw 4 is in threaded connection with the supporting plate 2, a limiting groove 3 used for lifting the supporting plate 2 is formed in the outer wall of the limiting frame 12, the first motor 21 is electrically connected with the controller 9, the supporting plate 2 can move upwards along the limiting groove 3 by controlling the rotating direction and the number of turns of the one-way lead screw 4 through the first motor 21, the annular pipe 7 and the discharging pipe 8 can integrally move upwards to fill the refractory materials into the lining cavity 11 layer by layer, the first motor 21 and the second motor 15 are both positive and negative motors, the model is Y112M-4, the controller 9 is a PLC controller, and is a TPC8-8TD.

Furthermore, one side of the inside of the limiting frame 12, which is close to the one-way screw rod 4, is fixed with a first guide pillar 5, and the first guide pillar 5 penetrates through the supporting plate 2, so as to further improve the stability of the supporting plate 2 when moving along the limiting groove 3.

The using method of the embodiment comprises the following steps: the positioning frame 1 is arranged at the top of the furnace body 10, then the refractory material is fed into the annular pipe 7 through the feeding pipe 6, and then the refractory material can enter the inner lining cavity 11 through the discharging pipes 8, and as the plurality of discharging pipes 8 are distributed at the bottom of the annular pipe 7 in an annular array manner, the refractory material can be more uniform when entering the inner lining cavity 11;

refractory material gets into inside lining chamber 11's in-process, makes the rotation direction and the number of turns of one-way lead screw 4 of first motor 21 control through controller 9, can make backup pad 2 upwards remove along spacing groove 3, and then makes the whole rebound of annular tube 7 and discharging pipe 8 to fill inside lining chamber 11 with the refractory material successive layer, avoid the refractory material in inside lining chamber 11 bubble cavity to appear, thereby promote the stability when blast furnace inside lining uses.

Example 2

The structure of the blast furnace lining high-performance refractory castable structure of the embodiment is basically the same as that of the blast furnace lining high-performance refractory castable structure of the embodiment 1, and the difference lies in that: the two sides of the bottom of the positioning frame 1 are both connected with clamping plates 13 in a sliding manner through sliding rails, clamping frames 14 are arranged outside the two clamping plates 13, limiting plates 18 are arranged on the two sides of the inside of each clamping frame 14, the two limiting plates 18 are respectively fixedly connected with the two clamping plates 13, and an interval adjusting mechanism is arranged between the two limiting plates 18; the distance adjusting mechanism comprises a second motor 15, a second guide post 16 and a bidirectional screw rod 17, the second motor 15 is mounted outside the clamping frame 14, the second guide post 16 and the bidirectional screw rod 17 are both located inside the clamping frame 14, the second guide post 16 and the bidirectional screw rod 17 are both perpendicular to the limiting plates 18, the second guide post 16 penetrates through the two limiting plates 18, both ends of the second guide post 16 are fixed to the clamping frame 14, a transmission shaft of the second motor 15 extends into the clamping frame 14 and is connected with one end of the bidirectional screw rod 17, the two clamping plates 13 are respectively in threaded connection with both sides of the bidirectional screw rod 17, the second motor 15 is electrically connected with the controller 9, the bidirectional screw rod 17 is driven by the second motor 15 to rotate, the two limiting plates 18 move oppositely along the second guide post 16, and the two clamping plates 13 are clamped on both sides of the outer wall of the furnace body 10, so that the stability of the positioning frame 1 on the top of the furnace body 10 is improved (refer to fig. 5-6).

Specifically, splint 13 is the arc structure, and the outer wall of splint 13 is fixed with high temperature resistant rubber pad 19 to make splint 13 can further laminate the outer wall of furnace body 10, increase the stability of splint 13 at the outer wall of furnace body 10.

The using method of the embodiment comprises the following steps: the two-way screw rod 17 is driven by the second motor 15 to rotate, so that the two limiting plates 18 move in opposite directions along the second guide pillar 16, and then the two clamping plates 13 are clamped on two sides of the outer wall of the furnace body 10, so that the stability of the positioning frame 1 at the top of the furnace body 10 is improved, and the convenience in the installation process of the positioning frame 1 is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a blast furnace inside lining high performance refractory castable structure, includes furnace body (10) and inside lining chamber (11), inside lining chamber (11) are located furnace body (10), its characterized in that: the top of furnace body (10) is provided with posting (1), the department is fixed with fixed frame (20) through the connecting plate in the middle of the inside of posting (1), the top of fixed frame (20) is fixed with spacing frame (12), backup pad (2) are installed through elevating system to the inside of spacing frame (12), the top of backup pad (2) is fixed with annular pipe (7), the top of annular pipe (7) is connected with inlet pipe (6) that are used for refractory material loading, and the bottom of annular pipe (7) is annular array and is connected with a plurality of discharging pipe (8), the bottom of discharging pipe (8) extends to in inside lining chamber (11).

2. The blast furnace lining high performance refractory castable structure according to claim 1, wherein: elevating system includes controller (9) and first motor (21), one side of posting (1) is fixed in controller (9), the inside at fixed frame (20) is installed in first motor (21), the transmission shaft of first motor (21) extends to the inside of spacing frame (12), inside one side of spacing frame (12) is rotated through the pivot and is connected with one-way lead screw (4), the one end of one-way lead screw (4) is connected with the transmission shaft of first motor (21), one-way lead screw (4) and backup pad (2) threaded connection, spacing groove (3) that are used for backup pad (2) to go up and down to use are seted up to the outer wall of spacing frame (12), first motor (21) and controller (9) electric connection.

3. The blast furnace lining high-performance refractory castable structure according to claim 2, characterized in that: a first guide post (5) is fixed on one side, close to the one-way screw rod (4), of the inner portion of the limiting frame (12), and the first guide post (5) penetrates through the supporting plate (2).

4. The blast furnace lining high-performance refractory castable structure according to claim 2, characterized in that: the bottom both sides of locating frame (1) all have splint (13), two through slide rail sliding connection the outside of splint (13) is provided with card frame (14), the inside both sides of card frame (14) all are provided with limiting plate (18), two limiting plate (18) respectively with two splint (13) fixed connection, and be provided with interval adjustment mechanism between two limiting plate (18).

5. The blast furnace lining high performance refractory castable structure according to claim 4, wherein: the distance adjusting mechanism comprises a second motor (15), a second guide post (16) and a bidirectional screw rod (17), the second motor (15) is installed outside the clamping frame (14), the second guide post (16) and the bidirectional screw rod (17) are located inside the clamping frame (14), the second guide post (16) and the bidirectional screw rod (17) are perpendicular to the limiting plates (18), the second guide post (16) penetrates through the two limiting plates (18), two ends of the second guide post (16) are fixed with the clamping frame (14), a transmission shaft of the second motor (15) extends into the clamping frame (14) and is connected with one end of the bidirectional screw rod (17), the two clamping plates (13) are respectively in threaded connection with two sides of the bidirectional screw rod (17), and the second motor (15) is electrically connected with the controller (9).

6. The blast furnace lining high-performance refractory castable structure according to claim 4, characterized in that: the clamping plate (13) is of an arc-shaped structure, and a high-temperature-resistant rubber pad (19) is fixed on the outer wall of the clamping plate (13).