CN211872027U

CN211872027U - Blast furnace ironmaking tuyere device

Info

Publication number: CN211872027U
Application number: CN202020469476.0U
Authority: CN
Inventors: 张俊福
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-06
Anticipated expiration: 2030-04-02

Abstract

The utility model provides a blast furnace ironmaking tuyere device. The blast furnace ironmaking tuyere device comprises a blast furnace tuyere body; the reinforcing ring is fixedly sleeved on the blast furnace tuyere body; the two bearing tables are arranged outside the blast furnace tuyere body; the clamping ring groove is formed in the reinforcing ring; the two box bodies are respectively and fixedly arranged at the tops of the two bearing tables; and the two tightening mechanisms are respectively arranged on the two box bodies. The utility model provides a blast furnace ironmaking wind gap device has the dismouting simple, improves and tears open and trade efficiency, improves the advantage of ironmaking output.

Description

Blast furnace ironmaking tuyere device

Technical Field

The utility model relates to an ironmaking technical field especially relates to a blast furnace ironmaking wind gap device.

Background

The iron-making process is a process for extracting metallic iron from iron-containing minerals, mainly comprises a blast furnace method, a direct reduction method, a smelting reduction method and the like, wherein the blast furnace method is commonly used at the present stage, the blast furnace iron-making is a method for continuously producing liquid pig iron in a blast furnace by using coke, iron-containing ore and a flux, the iron-making method has the advantages of relatively simple process, high yield, high labor productivity and low energy consumption, so the iron-making method is still the main method of modern iron-making, in blast furnace iron making, high-temperature hot air blown from a blast furnace tuyere and bottom coke are oxidized and combusted to generate carbon monoxide, the carbon monoxide reduces iron originally existing in the form of oxides during high-temperature rising, the blast furnace tuyere has the characteristics of good conductivity, uniform cooling, good wear resistance and the like, is usually arranged in a furnace wall between a furnace belly and a furnace bottom, has a front section with 500mm extending into the furnace, and is an essential part in blast furnace ironmaking.

However, the conventional blast furnace ironmaking tuyere is mostly fixed at a designated mounting position in an annular array distribution mode through six or more fastening bolts, the dismounting process is troublesome, the yield of blast furnace ironmaking is directly influenced, the blast furnace tuyere is directly corroded by heat of liquid slag iron and seriously abraded by falling hot materials, the tuyere is easy to lose efficacy and needs to be frequently replaced, and therefore, the influence of the blast furnace tuyere which is troublesome to dismount on the yield of ironmaking is larger, and the use performance is poorer.

Therefore, there is a need to provide a new tuyere device for blast furnace ironmaking to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a dismouting simple, improve and tear open and trade efficiency, improve the blast furnace ironmaking wind gap device of ironmaking output.

In order to solve the technical problem, the utility model provides a blast furnace ironmaking tuyere device includes: a blast furnace tuyere body; the reinforcing ring is fixedly sleeved on the blast furnace tuyere body; the two bearing tables are arranged outside the blast furnace tuyere body; the clamping ring groove is formed in the reinforcing ring; the two box bodies are respectively and fixedly arranged at the tops of the two bearing tables; and the two tightening mechanisms are respectively arranged on the two box bodies.

Preferably, the position tightening machine comprises a retention screw, a pushing column, a containing cavity, a clamping semi-ring body, a first conical tooth, a universal driving shaft, a second conical tooth, a screwing joint, two clamping blocks and two positioning slide bars, wherein the retention screw is rotatably installed on the inner wall of one side, away from the reinforcing ring, of the box body, the pushing column is arranged in the box body, one side, close to the reinforcing ring, of the pushing column extends out of the box body and is movably connected with the box body, the containing cavity is arranged on the pushing column, one end, close to the reinforcing ring, of the retention screw extends into the containing cavity and is in internal thread connection with one side of the containing cavity, the clamping semi-ring body is fixedly installed at one end, close to the blast furnace tuyere body, of the pushing column, the clamping semi-ring body is located in the clamping annular groove and is matched with the clamping annular groove, and the first conical tooth is fixedly installed on the retention screw, the universal driving shaft rotates to be installed on the top inner wall of box, the top of universal driving shaft extends to the top of box, fixed cover No. two of awl tooth is established on the universal driving shaft, No. two of awl tooth with the meshing of awl tooth mutually, revolve wrong joint fixed mounting in the top of universal driving shaft, two the equal fixed mounting of joint piece is in on the migration post, two the equal fixed mounting of location slide bar is in the box is kept away from on the inner wall of one side of strengthening ring, two the location slide bar runs through two respectively the joint piece and with correspond joint piece sliding connection.

Preferably, the retention screw is fixedly sleeved with a positioning baffle, and the positioning baffle is matched with the pushing column.

Preferably, the box body is close to seted up the opening on the one side inner wall of reinforcement ring, the migration post with opening looks adaptation.

Preferably, the top of the screwing joint is provided with a hexagonal groove.

Preferably, the accommodating cavity is far away from a threaded hole is formed in the inner wall of one side of the reinforcing ring, the retention screw rod penetrates through the threaded hole and is connected with the inner wall of the threaded hole in a screwing mode, a first limiting piece is fixedly mounted at one end, located in the accommodating cavity, of the retention screw rod, and a second limiting piece is fixedly mounted at one end, close to the reinforcing ring, of the positioning slide rod.

Preferably, the two bearing tables are fixedly provided with mounting substrates on the sides far away from each other.

Compared with the prior art, the utility model provides a blast furnace ironmaking wind gap device has following beneficial effect:

the utility model provides a blast furnace ironmaking wind gap device, when tearing out blast furnace wind gap body, rotate two forward in proper order through interior hexagonal spanner and revolve wrong joint, drive under the meshing of a awl tooth and awl tooth two numbers, the maintenance screw rod just can drive the column of advancing and keep away from the gusset ring, treat that the joint hemicyclic body leaves behind the joint annular, alright take out blast furnace wind gap body, during the installation, only need the internal hexagonal spanner of antiport, with the joint hemicyclic body impel in the joint annular can, the operation is thus simple, only need revolve wrong dismouting that connects alright realization blast furnace wind gap body through rotating two, reduce the dismouting time, the promotion has been brought for iron-making efficiency.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a tuyere device for blast furnace ironmaking provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic top view of the case shown in FIG. 1;

fig. 4 is a front view of the reinforcing ring shown in fig. 1.

Reference numbers in the figures: 1. the blast furnace tuyere body comprises a blast furnace tuyere body, 2, a reinforcing ring, 3, a bearing table, 4, a clamping ring groove, 5, a box body, 6, a retention screw, 7, a pushing column, 8, a containing cavity, 9, a clamping semi-ring body, 10, a first conical tooth, 11, a universal driving shaft, 12, a second conical tooth, 13, a screwing joint, 14, a clamping block, 15, a positioning sliding rod, 16 and a positioning baffle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a blast furnace ironmaking tuyere device provided by the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a schematic top view of the case shown in FIG. 1; fig. 4 is a front view of the reinforcing ring shown in fig. 1. Blast furnace ironmaking tuyere device includes: a blast furnace tuyere body 1; the reinforcing ring 2 is fixedly sleeved on the blast furnace tuyere body 1; the two bearing platforms 3 are arranged outside the blast furnace tuyere body 1; the clamping ring groove 4 is formed in the reinforcing ring 2; the two box bodies 5 are respectively and fixedly arranged at the tops of the two bearing tables 3; and two tight position mechanisms, wherein the two tight position mechanisms are respectively arranged on the two box bodies 5.

The clamping machine comprises a retention screw 6, a pushing column 7, a containing cavity 8, a clamping semi-ring body 9, a first bevel gear 10, a universal driving shaft 11, a second bevel gear 12, a screwing joint 13, two clamping blocks 14 and two positioning slide rods 15, wherein the retention screw 6 is rotatably installed on the inner wall of one side of the reinforcing ring 2 far away from the box body 5, the pushing column 7 is arranged in the box body 5, the pushing column 7 is close to one side of the reinforcing ring 2 and extends to the outside of the box body 5 and is movably connected with the box body 5, the containing cavity 8 is arranged on the pushing column 7, one end of the retention screw 6 close to the reinforcing ring 2 extends to the containing cavity 8 and is connected with an internal thread on one side of the containing cavity 8, the clamping semi-ring body 9 is fixedly installed at one end of the pushing column 7 close to the blast furnace tuyere body 1, the clamping semi-ring body 9 is positioned in the clamping ring groove 4 and is matched with the clamping ring groove 4, no. 10 fixed cover of awl tooth is established on maintenance screw rod 6, universal driving shaft 11 rotates and installs on the top inner wall of box 5, the top of universal driving shaft 11 extends to the top of

box

5, 12 fixed covers No. two of awl tooth are established on the universal driving shaft 11, two number 12 of awl tooth with 10 mesh mutually of awl tooth, twist and twist the connector 13 fixed mounting and be in the top of universal driving shaft 11, two 14 equal fixed mounting of joint piece are in on the migration post 7, two 15 equal fixed mounting of location slide bar is in box 5 is kept away from on one side inner wall of strengthening ring 2, two location slide bar 5 runs through two respectively joint piece 14 and with correspond 14 sliding connection of joint piece.

The retention screw 6 is fixedly sleeved with a positioning baffle 16, and the positioning baffle 16 is matched with the pushing column 7.

The box 5 is close to seted up the opening on the one side inner wall of reinforcement ring 2, the migration post 7 with opening looks adaptation.

The top of the screwing joint 13 is provided with a hexagonal groove.

Accomodate the chamber 8 and keep away from set up threaded hole on the one side inner wall of reinforcing ring 12, maintenance screw rod 6 runs through the screw hole and with the inner wall of screw hole closes soon and is connected, maintenance screw rod 6 is located accomodate the one end fixed mounting in the chamber 8 and has first spacing piece, location slide bar 15 is close to the one end fixed mounting of reinforcing ring 2 has the second spacing piece.

Two the equal fixed mounting in one side that the platform 3 kept away from each other has a mounting substrate.

The utility model provides a blast furnace ironmaking tuyere device's theory of operation as follows:

in the device, a mounting substrate arranged on one side of a bearing table 3 is arranged at a designated position;

when the blast furnace tuyere body 1 needs to be disassembled, the inner hexagonal wrench is only needed to sequentially rotate the two screwing joints 13 in the forward direction, so that the linkage shaft 11 can be driven to rotate, the retention screw 6 can be driven to rotate under the meshing drive of the first bevel gear 10 and the second bevel gear 12, the pushing column 7 can be driven to move in the direction away from the reinforcing ring 2 under the screwing relation of the retention screw 6 and the threaded hole, the clamping semi-ring body 9 can be driven to be gradually extracted from the clamping ring groove 4, after the clamping semi-ring body 9 completely leaves the clamping ring groove 4, the reinforcing ring 2 loses the limitation of the tight position, then the blast furnace tuyere body 1 is taken out, the first limiting piece, the second limiting piece and the positioning baffle piece 16 can limit the movement range of the pushing column 7, during installation, the inner hexagonal wrench can be rotated in the reverse direction, the retention screw 6 can be driven to rotate in the reverse direction, and then the pushing column 7 can be pushed out, until the clamping semi-ring body 9 is clamped into the clamping ring groove 4, the installation of the blast furnace tuyere body 1 is completed, and the operation is simple.

the utility model provides a blast furnace ironmaking wind gap device, when tearing out blast furnace wind gap body 1, rotate forward two in proper order through interior hexagonal spanner and revolve wrong joint 13, drive under the meshing of 10 of awl tooth and 12 two numbers of awl tooth, retention screw 6 just can drive the migration post 7 and keep away from reinforcing ring 2, treat that joint hemicyclic body 9 leaves behind joint annular 4, alright take out blast furnace wind gap body 1, during the installation, only need hexagon spanner in the antiport, impel joint annular 4 with joint hemicyclic body 9 in can, the operation is thus simple, only need revolve wrong joint 13 alright realization blast furnace wind gap body 1's dismouting through rotating two, reduce the dismouting time, the promotion has been brought for ironmaking efficiency.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A blast furnace ironmaking tuyere device, characterized by comprising:

a blast furnace tuyere body;

the reinforcing ring is fixedly sleeved on the blast furnace tuyere body;

the two bearing tables are arranged outside the blast furnace tuyere body;

the clamping ring groove is formed in the reinforcing ring;

the two box bodies are respectively and fixedly arranged at the tops of the two bearing tables;

and the two tightening mechanisms are respectively arranged on the two box bodies.

2. The blast furnace ironmaking tuyere device according to claim 1, wherein the tightening machine comprises a retention screw, a pushing column, a receiving cavity, a clamping semi-ring body, a first bevel gear, a linkage shaft, a second bevel gear, a screw joint, two clamping blocks and two positioning slide bars, the retention screw is rotatably mounted on an inner wall of one side of the box body away from the reinforcing ring, the pushing column is arranged in the box body, one side of the pushing column, which is close to the reinforcing ring, extends outside the box body and is movably connected with the box body, the receiving cavity is arranged on the pushing column, one end of the retention screw, which is close to the reinforcing ring, extends into the receiving cavity and is connected with an inner thread on one side of the receiving cavity, the clamping semi-ring body is fixedly mounted at one end of the pushing column, which is close to the blast furnace tuyere body, the clamping semi-ring body is located in the clamping ring groove and is matched with the clamping ring groove, fixed cover of awl tooth is established No. one on the maintenance screw rod, the universal driving shaft rotates to be installed on the top inner wall of box, the top of universal driving shaft extends to the top of box, fixed cover of awl tooth is established No. two on the universal driving shaft, the awl tooth No. two with meshing is engaged with for one the awl tooth, twist and connect fixed mounting to be in the top of universal driving shaft, two the equal fixed mounting of joint piece is in on the migration post, two the equal fixed mounting of location slide bar is in the box is kept away from on one side inner wall of strengthening ring, two the location slide bar runs through two respectively the joint piece and with correspond joint piece sliding connection.

3. The tuyere device for blast furnace ironmaking according to claim 2, wherein a positioning block is fixedly sleeved on the retention screw, and the positioning block is adapted to the pushing column.

4. The tuyere device for blast furnace ironmaking according to claim 2, characterized in that an opening is formed in an inner wall of the box body on a side close to the reinforcing ring, and the pushing column is fitted to the opening.

5. The tuyere device for blast furnace ironmaking according to claim 2, wherein a hexagonal groove is formed at the top of the screw fitting.

6. The tuyere device for blast furnace ironmaking according to claim 2, wherein a threaded hole is formed in an inner wall of the receiving cavity on a side away from the reinforcing ring, the retention screw penetrates through the threaded hole and is screwed with the inner wall of the threaded hole, a first limiting piece is fixedly mounted at one end of the retention screw located in the receiving cavity, and a second limiting piece is fixedly mounted at one end of the positioning slide rod close to the reinforcing ring.

7. The tuyere device for blast furnace ironmaking according to claim 1, wherein a mounting base plate is fixedly mounted to both sides of the receiving table away from each other.