CN216881689U

CN216881689U - Heat accumulating type tundish roaster with low converter gas fuel consumption

Info

Publication number: CN216881689U
Application number: CN202220434061.9U
Authority: CN
Inventors: 黄杰; 潘俊秀; 黄漂; 黄哲
Original assignee: Wuhan Dingfengda Mechanical Equipment Co ltd
Current assignee: Wuhan Dingfengda Mechanical Equipment Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-05
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a heat accumulating type tundish roaster with low converter gas fuel consumption, which comprises a support frame, wherein a support plate is arranged at the bottom end of the support frame, a rotating arm is arranged on one side of the upper end of the support frame and is connected with the support frame through a rotating shaft, a hydraulic lifting rod is arranged between the connecting shaft and the support plate, an air blower is arranged in the middle of the upper end of the support plate, a connecting gas pipeline is arranged at the upper end of one side of the rotating arm, a plurality of branch gas pipelines are arranged at one end of the connecting gas pipeline and are connected with heat accumulating type burners through the plurality of branch gas pipelines, a connecting combustion-supporting air pipe extending to the lower part of the connecting gas pipeline is arranged at the upper end of the air blower, and a plurality of branch combustion-supporting air pipes correspondingly connected with the heat accumulating type burners are arranged at the front end of the connecting combustion-supporting air pipe. Has the beneficial effects that: the aims of improving the safety control integration of the tundish roaster, reducing environmental pollution, prolonging the service life of the burner and reducing energy consumption are fulfilled.

Description

Heat accumulating type tundish roaster with low converter gas fuel consumption

Technical Field

The utility model relates to the technical field, in particular to a heat accumulating type tundish roaster with low converter gas fuel consumption.

Background

The tundish is a refractory vessel used in short-run steelmaking, and receives molten steel poured from a ladle first, and then distributes the molten steel to each crystallizer through a tundish nozzle. Steel is an important basic raw material and plays a very important role in economic development of various countries in the world. The tundish roaster is equipment for burning coal gas to heat the tundish, and is an important link in continuous casting production.

The current roaster only focuses on heating and roasting the tundish, so that the combustion efficiency is low, the energy consumption is high, and therefore, in order to seek the maximization of resource and energy utilization, a heat accumulating type tundish roaster with low converter gas fuel consumption is required.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides a regenerative tundish roaster with low converter gas fuel consumption, which aims to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

the utility model provides a converter gas low consumption's heat accumulation formula tundish roaster, includes the support frame, the bottom of support frame is provided with the backup pad, upper end one side of support frame is provided with the swinging boom, the swinging boom pass through the rotation axis with the support frame is connected, one side upper end of swinging boom is provided with the sloping arm, one side of sloping arm is provided with the connecting axle, the connecting axle with be provided with hydraulic lifting rod between the backup pad, the upper end middle part of backup pad is provided with the air-blower, one side upper end of swinging boom is provided with connects the gas conduit, the one end of connecting the gas conduit is provided with a plurality of branch gas conduit, it is connected with the heat accumulation formula nozzle through a plurality of branch gas conduit to connect the gas conduit, the upper end of air-blower is provided with extend to connect the combustion-supporting air pipe below the gas conduit, the front end of connecting combustion-supporting air pipe be provided with a plurality of branch combustion-supporting air pipes that correspond the connection with the heat accumulation formula nozzle .

Furthermore, the support frame comprises a plurality of bracing pieces, the bracing piece with backup pad welded fastening connects, be provided with a plurality of between the middle part of bracing piece and connect the horizontal pole.

Furthermore, a connecting ring is arranged on one side of the upper end of the rotating arm, a pulley is arranged on the upper end of the inclined arm, a winch is arranged on one side of the middle of the upper end of the supporting plate, and a steel wire rope which extends to the middle of the pulley and is connected with the connecting ring is arranged on the winch.

Furthermore, a first control connecting valve is arranged on the connecting gas pipeline, and a second control connecting valve is arranged on the connecting combustion air pipe.

Furthermore, the heat accumulating type burner comprises a pipe body, a first combustion cavity and a second combustion cavity are respectively arranged in the middle of the pipe body, a baffle is arranged at the lower end of the pipe body, a flame opening connected with the second combustion cavity is formed in the lower end of the baffle, and a combustion-supporting air pipe connected with the branch combustion-supporting air pipe is arranged on one side of the pipe body.

Furthermore, the combustion-supporting air pipe is of a Y-shaped structure and is respectively connected with the first combustion cavity and the second combustion cavity, one end of the middle inside of the combustion-supporting air pipe is provided with a spiral fan blade, and a rotating ring at the upper end of the spiral fan blade is in sliding connection with a groove on the inner wall of the combustion-supporting air pipe.

Furthermore, a transverse air hole is formed in the middle of the flame opening, and a plurality of fire gathering pieces are arranged on the inner wall, located on the second combustion cavity, of the pipe body.

The utility model provides a heat accumulating type tundish roaster with low converter gas fuel consumption, which has the following beneficial effects: the utility model uses the mutual coordination and matching between the hydraulic lifting rod and the winch, so that the whole baking effect is better, the structure is more stable, and the safety of the whole structure is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a regenerative tundish roaster with low converter gas fuel consumption according to an embodiment of the present invention;

FIG. 2 is a schematic view of regenerative burners of a regenerative tundish roaster with low converter gas fuel consumption according to an embodiment of the present invention;

FIG. 3 is a schematic view of a spiral diffuser of a regenerative tundish roaster with low converter gas fuel consumption according to an embodiment of the present invention;

fig. 4 is a schematic view of a fire gathering member of a regenerative tundish roaster with low converter gas fuel consumption according to an embodiment of the present invention.

In the figure:

1. a support frame; 2. a support plate; 3. a rotating arm; 4. a rotating shaft; 5. a tilting arm; 6. a connecting shaft; 7. a hydraulic lifting rod; 8. a blower; 9. connecting a gas pipeline; 10. a branched gas conduit; 11. a regenerative burner; 12. connecting a combustion-supporting air pipe; 13. a branch combustion-supporting air pipe; 14. a connecting ring; 15. a pulley; 16. a winch; 17. a wire rope; 18. a pipe body; 19. a first combustion chamber; 20. a second combustion chamber; 21. a baffle plate; 22. a flame port; 23. a combustion-supporting air duct; 24. spiral fan blade that looses.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a regenerative tundish roaster with low converter gas fuel consumption is provided.

The first embodiment is as follows:

as shown in fig. 1 to 4, the heat accumulating type tundish roaster with low converter gas fuel consumption according to the embodiment of the utility model comprises a support frame 1, a support plate 2 is arranged at the bottom end of the support frame 1, a rotating arm 3 is arranged at one side of the upper end of the support frame 1, the rotating arm 3 is connected with the support frame 1 through a rotating shaft 4, an inclined arm 5 is arranged at the upper end of one side of the rotating arm 3, a connecting shaft 6 is arranged at one side of the inclined arm 5, a hydraulic lifting rod 7 is arranged between the connecting shaft 6 and the support plate 2, a blower 8 is arranged in the middle of the upper end of the support plate 2, a connecting gas pipeline 9 is arranged at the upper end of one side of the rotating arm 3, a plurality of branch gas pipelines 10 are arranged at one end of the connecting gas pipeline 9, the connecting gas pipeline 9 is connected with a heat accumulating type burner 11 through the plurality of branch gas pipelines 10, the upper end of the blower 8 is provided with a connecting combustion-supporting air pipe 12 extending to the lower part of the connecting gas pipeline 9, and the front end of the connecting combustion-supporting air pipe 12 is provided with a plurality of branch combustion-supporting air pipes 13 correspondingly connected with the heat accumulating type burners 11.

Example two:

as shown in fig. 1-4, the support frame 1 is composed of a plurality of support rods, the support rods are fixedly connected with the support plates 2 by welding, and a plurality of connecting cross rods are arranged between the middle parts of the support rods. A connecting ring 14 is arranged on one side of the upper end of the rotating arm 3, a pulley 15 is arranged on the upper end of the inclined arm 5, a winch 16 is arranged on one side of the middle of the upper end of the supporting plate 2, and a steel wire rope 17 which extends to the middle of the pulley 15 and is connected with the connecting ring 14 is arranged on the winch 16. The gas pipeline 9 is provided with a first control connecting valve, and the connecting combustion air pipe 12 is provided with a second control connecting valve.

As shown in fig. 1 to 4, the regenerative burner 11 includes a pipe body 18, a first combustion chamber 19 and a second combustion chamber 20 are respectively disposed in the middle of the pipe body 18, a baffle 21 is disposed at the lower end of the pipe body 18, a flame opening 22 connected to the second combustion chamber 20 is disposed at the lower end of the baffle 21, and a combustion air pipe 23 connected to the branched combustion air pipe 13 is disposed at one side of the pipe body 18. The combustion-supporting air pipe 23 is of a Y-shaped structure and is respectively connected with the first combustion cavity 19 and the second combustion cavity 20, one end of the middle of the interior of the combustion-supporting air pipe 23 is provided with a spiral fan blade 24, and a rotating ring at the upper end of the spiral fan blade 24 is in sliding connection with a groove on the inner wall of the combustion-supporting air pipe 23. The middle part of the flame hole 22 is provided with a transverse air hole, and the inner wall of the tube body 18, which is positioned on the second combustion cavity 20, is provided with a plurality of fire gathering pieces.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the hydraulic lifting rod 7 is adopted to coordinate and cooperate the inclined arm 5 and the rotating arm 3 with each other, so that when the roaster heats and bakes a tundish, the height of the whole heat accumulating type burner 11 is relatively adjusted, the winch 16 is arranged, the hydraulic lifting rod 7 can be used for assisting in adjusting the height of the rotating arm 3, the supporting pressure of the hydraulic lifting rod 7 is reduced, meanwhile, the hydraulic lifting rod 7 can be independently supported, when the hydraulic lifting rod 7 breaks down, the winch 16 can be used for adjusting the position of the rotating shaft 4, single loss is avoided, the shutdown condition is caused, the integral baking effect is better, the structure is more stable, and the safety of the integral structure is ensured;

air is introduced to a combustion-supporting air pipe 23 through a blower 8 by connecting a combustion-supporting air pipe 12 and a branch combustion-supporting air pipe 13, the air divides the combustion-supporting air to each heat accumulating type burner 11 through the branch combustion-supporting air pipe 13, the connection gas pipeline 9 and the branch gas pipeline 10 are mutually matched, so that the gas and the air are rapidly input to the positions of the heat accumulating type burners, the gas and the air are ignited in the heat accumulating type burners 11 to bake a tundish, the combustion-supporting air supplied by the combustion-supporting air pipe 23 is mixed, an internal spiral dispersing blade 24 is used for spirally dispersing the gas to avoid convergence, the gas is more fully combusted, and the measures based on the structure of the air single-reversing heat accumulating type burner taking the converter gas as a combustion medium are achieved through the converter gas heat accumulating type tundish roaster, so that the safety control integration of the tundish roaster is improved, the environmental pollution is reduced, the service life of the burners is prolonged, The energy consumption is reduced.

In conclusion, by means of the technical scheme of the utility model, the hydraulic lifting rod 7 and the winch 16 are used in a coordinated and matched mode, so that the overall baking effect is better, the structure is more stable, and the safety of the overall structure is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A heat accumulating type tundish roaster with low converter gas fuel consumption is characterized by comprising a support frame (1), a support plate (2) is arranged at the bottom end of the support frame (1), a rotating arm (3) is arranged on one side of the upper end of the support frame (1), the rotating arm (3) is connected with the support frame (1) through a rotating shaft (4), an inclined arm (5) is arranged at the upper end of one side of the rotating arm (3), a connecting shaft (6) is arranged on one side of the inclined arm (5), a hydraulic lifting rod (7) is arranged between the connecting shaft (6) and the support plate (2), an air blower (8) is arranged in the middle of the upper end of the support plate (2), a connecting gas pipeline (9) is arranged at the upper end of one side of the rotating arm (3), and a plurality of branch gas pipelines (10) are arranged at one end of the connecting gas pipeline (9), the connecting gas pipeline (9) is connected with the heat accumulating type burner (11) through a plurality of branch gas pipelines (10), a connecting combustion air pipe (12) extending to the lower portion of the connecting gas pipeline (9) is arranged at the upper end of the air blower (8), and a plurality of branch combustion air pipes (13) correspondingly connected with the heat accumulating type burner (11) are arranged at the front end of the connecting combustion air pipe (12).

2. A regenerative tundish roaster with low converter gas fuel consumption as claimed in claim 1 wherein the supporting frame (1) is composed of several supporting rods, the supporting rods are welded and fixed with the supporting plate (2), and several connecting cross rods are set between the middle of the supporting rods.

3. A regenerative tundish roaster with low converter gas fuel consumption as claimed in claim 1, wherein the rotating arms (3) are provided with connecting rings (14) on one side of their upper ends, the tilting arms (5) are provided with pulleys (15) on their upper ends, the supporting plate (2) is provided with a hoist (16) on one side of its upper middle part, and the hoist (16) is provided with a steel cable (17) extending to the middle of the pulleys (15) and connected to the connecting rings (14).

4. A regenerative tundish roaster with low converter gas fuel consumption according to claim 1, wherein the connecting gas pipe (9) is provided with a first control connecting valve, and the connecting combustion air pipe (12) is provided with a second control connecting valve.

5. A regenerative tundish roaster with low converter gas fuel consumption according to claim 1, wherein the regenerative burner (11) comprises a tube (18), the middle of the tube (18) is respectively provided with a first combustion chamber (19) and a second combustion chamber (20), the lower end of the tube (18) is provided with a baffle (21), the lower end of the baffle (21) is provided with a flame port (22) connected with the second combustion chamber (20), and one side of the tube (18) is provided with a combustion air pipe (23) connected with the branched combustion air pipe (13).

6. The regenerative tundish roaster with low converter gas fuel consumption according to claim 5, wherein the combustion-supporting air pipe (23) is Y-shaped and is connected with the first combustion chamber (19) and the second combustion chamber (20), a spiral fan (24) is arranged at one end of the middle part of the interior of the combustion-supporting air pipe (23), and a rotating ring at the upper end of the spiral fan (24) is slidably connected with a groove on the inner wall of the combustion-supporting air pipe (23).

7. A regenerative tundish roaster with low converter gas fuel consumption as claimed in claim 5 wherein the central part of the flame port (22) is provided with transverse air holes and the inner wall of the pipe body (18) in the combustion chamber two (20) is provided with a plurality of flame gathering members.