CN209986227U

CN209986227U - Baking device for tundish nozzle of continuous casting machine

Info

Publication number: CN209986227U
Application number: CN201920510738.0U
Authority: CN
Inventors: 曹国华
Original assignee: Hebei Xin Wuan Iron And Steel Group Xinhui Metallurgical Co Ltd
Current assignee: Hebei Xin Wuan Iron And Steel Group Xinhui Metallurgical Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-24
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a tundish nozzle baking device of a continuous casting machine, which comprises a baking box, wherein the lower end of the baking box is provided with a bracket, one side of the baking box is provided with a fuel pipe, an air guide pipe is arranged below the fuel pipe, one side of the bracket is provided with a motor, the baking process of recovering and recycling heat in the baking box can be effectively realized by arranging a waste heat recovery component, energy is saved, cost is reduced, simultaneously absorbed heat can be baked, a tundish nozzle to be baked next time can be preheated, drying efficiency is improved, the utility model can ensure that the tundish nozzle is baked uniformly, the defects that the tundish nozzle is not watered and not flowed downwards and not flowed circularly are avoided, the rotating shaft is driven to rotate by the motor, thereby driving the tundish nozzle in a placing seat to rotate, ensuring that baking is uniform, simple structure and high applicability.

Description

Baking device for tundish nozzle of continuous casting machine

Technical Field

The utility model belongs to the technical field of baking equipment, concretely relates to ladle mouth of a river baking equipment in middle of conticaster.

Background

The mouth of a river is a vulnerable part under the centre package of conticaster, its behaviour in use is deciding to water the steel effect, in steel mill conticaster production process, in order to guarantee to open to water smoothly, need to toast the heating to the centre package mouth of a river, the mouth of a river needs to preheat before the use under the centre package, how its durable degree has been decided to the effect of preheating, it is if unsatisfactory to preheat the effect, can lead to the mouth of a river to change frequently under the centre package, if there is water or steam on the mouth of a river, the easy explosion accident that takes place in the steel billet production, when the middle ladle is full of molten steel and waits for the line on the production line outside, the mouth of a river must keep dry, carry out drying through barbecue.

The prior art has the following problems: the existing baking device gives off heat to the air in the baking process or after completion, so that the energy waste is caused, the temperature of the operating environment rises, the operation of workers is not facilitated, the baking of the tundish nozzle is unbalanced, and the defects that the tundish nozzle is not poured and flows down and flows are not smooth are caused.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a ladle mouth of a river baking equipment in middle of conticaster has the energy can be saved and waste heat recovery, toasts balanced and preheats good characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ladle mouth of a river baking equipment in middle of conticaster, includes toasts the case, the lower extreme of toasting the case is provided with the support, one side of toasting the case is provided with the fuel pipe, the below of fuel pipe is provided with air conduit, one side of support is provided with the motor, the inside of toasting the case corresponds the position with the motor and is provided with the axis of rotation, the upper end of axis of rotation is provided with places the seat, the inner wall of toasting the case is provided with the sensor, the upper end of toasting the case is provided with the air current mouth, the upper end of toast.

Preferably, the waste heat recovery assembly comprises a waste heat box, a heat transfer pipeline, an exhaust fan, a heat absorption pipe and an absorption cover, wherein the surface of the exhaust fan is provided with the heat absorption pipe, the lower end of the heat absorption pipe is provided with the absorption cover, one side of the exhaust fan is provided with the heat transfer pipeline, and one end of the heat transfer pipeline is provided with the waste heat box.

Preferably, the heat absorption pipe and the heat transfer pipe are provided with heat insulation sleeves on the outer portions.

Preferably, a protective net is arranged on the surface of the suction cover, and the suction cover and the protective net are fixedly connected through fastening bolts.

Preferably, a coupling is arranged between the rotating shaft and the motor, and a rotating bearing is arranged between the rotating shaft and the baking oven.

Preferably, sealing rings are arranged between the fuel pipe and the baking box, and between the air conduit and the baking box.

Preferably, the inner wall of the baking box is provided with a fire-resistant heat-insulating layer, and the surface of the baking box is provided with a heat-insulating layer.

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

1. the utility model discloses the waste heat recovery subassembly that sets up can effectual realization toast the inside thermal recovery of case and cyclic utilization toast the process, has saved the energy, and the cost is reduced, and absorbed heat not only can toast simultaneously, still can preheat the tundish mouth of a river of waiting to toast next time, has improved drying efficiency.

2. The utility model discloses can make the middle package mouth of a river toast the equilibrium, avoid appearing the middle package mouth of a river and open and water not the downdraft and open the drawback that the stream is not mellow and full, drive the axis of rotation through the motor and rotate to the drive is placed the middle package mouth of a river in the seat and is rotated, makes and toasts the equilibrium, simple structure, and the suitability is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic structural diagram of the waste heat recovery assembly of the present invention.

In the figure: 1. a support; 2. a baking oven; 3. a rotating shaft; 4. a waste heat recovery assembly; 41. a waste heat box; 42. a heat transfer conduit; 43. an exhaust fan; 44. a heat absorbing tube; 45. a suction hood; 5. an airflow port; 6. a sensor; 7. a fuel tube; 8. an air conduit; 9. a placing seat; 10. an electric 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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a baking device for a tundish nozzle of a continuous casting machine comprises a baking box 2, and is used for preventing the heat preservation performance of the baking box 2 and the danger of scalding; the inner wall of the baking box 2 is provided with a fireproof heat preservation layer, the surface of the baking box 2 is provided with a heat insulation layer, the lower end of the baking box 2 is provided with a bracket 1, one side of the baking box 2 is provided with a fuel pipe 7, and an air guide pipe 8 is arranged below the fuel pipe 7 for good sealing performance of the device; sealing rings are arranged between the fuel pipe 7 and the air conduit 8 and between the baking box 2, one side of the bracket 1 is provided with a motor 10, a rotating shaft 3 is arranged in the baking box 2 corresponding to the motor 10, and the motor 10 can drive components on the rotating shaft 3 to rotate; be provided with the shaft coupling between axis of rotation 3 and the motor 10, and be provided with rolling bearing between axis of rotation 3 and the baking oven 2, the upper end of axis of rotation 3 is provided with places seat 9, and the inner wall of baking oven 2 is provided with sensor 6, and the upper end of baking oven 2 is provided with air current mouth 5, and the upper end of baking oven 2 is provided with waste heat recovery subassembly 4.

The waste heat recovery assembly 4 comprises a waste heat box 41, a heat transfer pipeline 42, an exhaust fan 43, a heat absorption pipe 44 and a suction cover 45, wherein the surface of the exhaust fan 43 is provided with the heat absorption pipe 44, the lower end of the heat absorption pipe 44 is provided with the suction cover 45, and in order to prevent dust or impurities from entering the exhaust fan 43 to cause failure; a protective net is arranged on the surface of the suction hood 45, the suction hood 45 and the protective net are fixedly connected through a fastening bolt, and a heat transfer pipeline 42 is arranged on one side of the exhaust fan 43 to prevent heat loss; the heat absorbing pipes 44 and the heat transfer pipe 42 are provided with heat insulating sleeves on the outer portions thereof, and one end of the heat transfer pipe 42 is provided with the waste heat tank 41.

The utility model discloses well sensor 6 is for the widely known technique that applies to daily life that has disclosed, and its theory of operation is: the detection device can sense measured information, convert the sensed information into electric signals or other information in required forms according to a certain rule and output the electric signals or other information in required forms so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the model of the detection device is MH-Z16.

The utility model discloses a theory of operation and use flow: when the utility model is used, when the pouring box mouth of the continuous casting machine is baked, the box door of the baking box 2 is opened, the pouring box mouth is put into the placing seat 9, the valves of the fuel pipe 7 and the air conduit 8 are opened, the mixed gas is ignited, the tundish nozzle is baked according to the process, when baking, the motor 10 is opened, the motor 10 drives the rotating shaft 3 to rotate, thereby driving the tundish nozzle in the placing seat 9 to rotate, balancing baking, avoiding the defects that the tundish nozzle is not poured and not flowed downwards and the flow is not smooth, when the temperature is overhigh, the sensor 6 senses, thereby opening the suction fan 43, the suction hood 45 absorbs heat, transfers the heat to the waste heat tank 41 through the heat absorption pipe 44 and the heat transfer pipe 42, treat the tundish mouth of a river of toasting next time and preheat, waste heat recovery subassembly 4 can the effectual realization toast 2 inside thermal recovery of case and cyclic utilization's the toasting process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a conticaster tundish mouth of a river baking equipment, includes toasts case (2), its characterized in that: the lower extreme of toasting case (2) is provided with support (1), one side of toasting case (2) is provided with fuel pipe (7), the below of fuel pipe (7) is provided with air conduit (8), one side of support (1) is provided with motor (10), the inside of toasting case (2) is provided with axis of rotation (3) with motor (10) corresponding position, the upper end of axis of rotation (3) is provided with places seat (9), the inner wall of toasting case (2) is provided with sensor (6), the upper end of toasting case (2) is provided with air current mouth (5), the upper end of toasting case (2) is provided with waste heat recovery subassembly (4).

2. The tundish nozzle baking device of a continuous casting machine according to claim 1, characterized in that: the waste heat recovery assembly (4) comprises a waste heat box (41), a heat transfer pipeline (42), an exhaust fan (43), a heat absorption pipe (44) and a suction cover (45), wherein the surface of the exhaust fan (43) is provided with the heat absorption pipe (44), the lower end of the heat absorption pipe (44) is provided with the suction cover (45), one side of the exhaust fan (43) is provided with the heat transfer pipeline (42), and one end of the heat transfer pipeline (42) is provided with the waste heat box (41).

3. The tundish nozzle baking device of a continuous casting machine according to claim 2, characterized in that: and heat insulation sleeves are arranged outside the heat absorption pipe (44) and the heat transfer pipeline (42).

4. The tundish nozzle baking device of a continuous casting machine according to claim 2, characterized in that: the surface of the suction cover (45) is provided with a protective net, and the suction cover (45) and the protective net are fixedly connected through fastening bolts.

5. The tundish nozzle baking device of a continuous casting machine according to claim 1, characterized in that: a coupler is arranged between the rotating shaft (3) and the motor (10), and a rotating bearing is arranged between the rotating shaft (3) and the baking box (2).

6. The tundish nozzle baking device of a continuous casting machine according to claim 1, characterized in that: and sealing rings are arranged between the fuel pipe (7) and the baking box (2) and between the air conduit (8) and the baking box.

7. The tundish nozzle baking device of a continuous casting machine according to claim 1, characterized in that: the inner wall of the baking box (2) is provided with a fire-resistant heat-insulating layer, and the surface of the baking box (2) is provided with a heat-insulating layer.