CN216129634U

CN216129634U - Preheating converter for steel

Info

Publication number: CN216129634U
Application number: CN202121946523.7U
Authority: CN
Inventors: 孙志丽; 王少博; 王利成; 姚国勇; 曹晓运
Original assignee: Hebei Jingye Medium Plate Co Ltd
Current assignee: Hebei Jingye Medium Plate Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-25
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a preheating converter for steel, wherein a preheating furnace body is arranged at the bottom end of a steel converter body, a motor is arranged at one end of the preheating furnace body, which is far away from the steel converter body, a transmission shaft of the motor extends into the preheating furnace body, and the preheating furnace body is communicated and connected with the steel converter body; according to the preheating converter for steel, the second heating pipe can move back and forth in the steel converter body at a constant speed, so that the temperature in the steel converter body is raised, and the interior of the steel converter body is heated more uniformly; one side of the first heating pipe, which is close to the inner wall of the steel converter body, is provided with a heat conduction layer, and one side of the first heating pipe, which is far away from the inner wall of the steel converter body, is provided with a heat insulation layer; the heat that enables first heating pipe and give off can not conduct to steel converter body outer wall, the thermal availability factor of the first heating pipe of at utmost assurance, and keep warm to this internal temperature of steel converter simultaneously, can prevent to dispel the heat too fast, helps the promotion of this internal temperature of steel converter, more energy-conservation.

Description

Preheating converter for steel

Technical Field

The utility model relates to the technical field of preheating converters, in particular to a preheating converter for steel.

Background

The converter steelmaking is to use molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and finishes the steelmaking process in the converter by means of the physical heat of molten iron and the heat generated by chemical reaction among molten iron components, and the converter is the most commonly used steelmaking equipment and has the following defects:

1. the converter body can take away the physical heat of molten iron and the heat generated by chemical reaction between molten iron components, so that the temperature in the converter is reduced, and the quality of steelmaking is influenced.

2. The steel making is carried out for a long time only by the physical heat of the molten iron and the heat generated by the chemical reaction between the components of the molten iron, and the production efficiency needs to be improved.

3. The temperature distribution in the converter is not sufficiently uniform.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a preheating converter for steel, which can improve the temperature in a steel converter body and ensure that the interior of the steel converter body is heated more uniformly; the thermal availability factor of the first heating tube of at utmost assurance, and keep warm to this internal temperature of steel converter simultaneously, can prevent to dispel the heat too fast, help the promotion of this internal temperature of steel converter, more energy-conserving effect can solve the problem among the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the preheating converter for the steel comprises a working frame, a supporting structure, a steel converter body, a preheating furnace body and a motor, wherein the supporting structure is fixedly arranged on the lower surface of the working frame, the steel converter body is arranged on the upper surface of the working frame, the preheating furnace body is arranged at the bottom end of the steel converter body, the motor is arranged at one end, away from the steel converter body, of the preheating furnace body, a transmission shaft of the motor extends into the preheating furnace body, and the preheating furnace body is communicated with the steel converter body.

Preferably, a hot air fan is arranged at the bottom end in the preheating furnace body, and a transmission rotating shaft at the center of the hot air fan is fixedly connected with a transmission shaft of the motor.

Preferably, a first mounting frame is fixedly arranged on the inner wall of one side, close to the steel converter body, of the preheating furnace body, a resistance wire heating net is arranged in the first mounting frame, and the outer wall of the resistance wire heating net is fixedly connected with the inner wall of the first mounting frame.

Preferably, first mounting bracket top table wall one side is fixed and is equipped with electric telescopic handle, and first electric telescopic handle's one side top table wall is fixed and is equipped with second electric telescopic handle is kept away from to first mounting bracket, and first electric telescopic handle and second electric telescopic handle all extend to this internal and second mounting bracket lower surface fixed connection of steel converter.

Preferably, a gap is formed between the outer wall of the second mounting frame and the inner wall of the steel converter body, and a plurality of second heating pipes are arranged in the second mounting frame.

Preferably, the first electric telescopic rod and the second electric telescopic rod move synchronously, and the second mounting frame is arranged in the preheating furnace body when the first electric telescopic rod and the second electric telescopic rod are completely contracted.

Preferably, a plurality of first heating pipes are arranged in the wall body of the steel converter body in an array mode, one side, close to the inner wall of the steel converter body, of each first heating pipe is provided with a heat conduction layer, and one side, far away from the inner wall of the steel converter body, of each first heating pipe is provided with a heat insulation layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. the preheating converter for the steel is characterized in that a preheating furnace body is arranged at the bottom end of a steel converter body and is communicated and connected with the steel converter body, a first mounting frame is fixedly arranged on the inner wall of one side, close to the steel converter body, of the preheating furnace body, a first electric telescopic rod is fixedly arranged on one side of the surface wall of the top end of the first mounting frame, a second electric telescopic rod is fixedly arranged on the surface wall of the top end, far away from the first electric telescopic rod, of the first mounting frame, the first electric telescopic rod and the second electric telescopic rod both extend into the steel converter body and are fixedly connected with the lower surface of the second mounting frame, and a plurality of second heating pipes are arranged in the second mounting frame; the arrangement of the first electric telescopic rod, the second mounting frame and the second heating pipe enables the second heating pipe to move back and forth in the steel converter body at a constant speed, so that the temperature in the steel converter body is increased, and the effect of more uniform heating in the steel converter body is achieved.

2. According to the preheating converter for steel, one side of the first heating pipe, which is close to the inner wall of the steel converter body, is provided with the heat conduction layer, and one side of the first heating pipe, which is far away from the inner wall of the steel converter body, is provided with the heat insulation layer; the heat conducting layer has the effects of rapidly transferring the energy emitted by the first heating pipe into the steel converter body and protecting the first heating pipe from being damaged; the setting up of heat preservation makes the heat that first heating pipe gived off can not conduct to steel converter body outer wall, and the thermal availability factor of the first heating pipe of at utmost guarantees, and keeps warm to this internal temperature of steel converter simultaneously, has and prevents to dispel the heat too fast, helps the promotion of this internal temperature of steel converter, more energy-conserving effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention in partial cross-section;

FIG. 3 is a schematic cross-sectional view of the preheating furnace body according to the present invention;

fig. 4 is an enlarged schematic view of the structure at the position a of the present invention.

In the figure: 1. a working frame; 2. a motor; 3. preheating a furnace body; 4. a steel converter body; 5. a support structure; 6. a first electric telescopic rod; 7. a first heating pipe; 8. a second electric telescopic rod; 9. a first mounting bracket; 10. a hot air fan; 11. the resistance wire generates heat net; 12. a second heating pipe; 13. a second mounting bracket; 14. a heat conductive layer; 15. and (7) an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a preheating converter for steel comprises a work frame 1, a supporting structure 5, a steel converter body 4, a preheating converter body 3 and a motor 2, wherein the supporting structure 5 is fixed on the lower surface of the work frame 1, the steel converter body 4 is arranged on the upper surface of the work frame 1, the preheating converter body 3 is arranged at the bottom end of the steel converter body 4, the motor 2 is arranged at one end of the preheating converter body 3 far away from the steel converter body 4, a transmission shaft of the motor 2 extends into the preheating converter body 3, and the preheating converter body 3 is communicated with the steel converter body 4. The inner bottom end of the preheating furnace body 3 is provided with a hot air fan 10, a transmission rotating shaft at the center of the hot air fan 10 is fixedly connected with a transmission shaft of the motor 2, the motor 2 works to drive the hot air fan 10 to work, and the blowing direction of the hot air fan 10 faces to the inner wall of the steel converter body 4. The preheating furnace body 3 is close to the fixed first mounting bracket 9 that is equipped with of one side inner wall of steel converter body 4, is equipped with resistance wire heating net 11 in the first mounting bracket 9, and resistance wire heating net 11 outer wall and the fixed connection of first mounting bracket 9 inner wall. First mounting bracket 9 top table wall one side is fixed and is equipped with first electric telescopic handle 6, and one side top table wall that first electric telescopic handle 6 was kept away from to first mounting bracket 9 is fixed and is equipped with second electric telescopic handle 8, and first electric telescopic handle 6 and second electric telescopic handle 8 all extend to in the steel converter body 4 and are connected with the surface fixed surface of second mounting bracket 13. A gap is arranged between the outer wall of the second mounting frame 13 and the inner wall of the steel converter body 4, and a plurality of second heating pipes 12 are arranged in the second mounting frame 13. The first electric telescopic rod 6 and the second electric telescopic rod 8 move synchronously, and the second mounting rack 13 is arranged in the preheating furnace body 3 when the preheating furnace body is completely contracted. A plurality of first heating pipes 7 are arrayed in the wall of the steel converter body 4, a heat conduction layer 14 is arranged on one side, close to the inner wall of the steel converter body 4, of each first heating pipe 7, the heat conduction layer 14 can rapidly transfer energy emitted by each first heating pipe 7 into the steel converter body 4, the first heating pipes 7 are protected from being damaged, and a heat insulation layer 15 is arranged on one side, away from the inner wall of the steel converter body 4, of each first heating pipe 7; the setting of heat preservation 15 makes the heat that first heating pipe 7 gived off can not conduct to the outer wall of steel converter body 4, and the thermal availability factor of the first heating pipe 7 of at utmost guarantees, and keeps warm to the temperature in steel converter body 4 simultaneously, prevents to dispel the heat too fast, helps the promotion of the interior temperature of steel converter body 4, more energy-conservation. When in use, the motor 2, the first heating pipe 7, the resistance wire heating net 11, the second heating pipe 12, the first electric telescopic rod 6 and the second electric telescopic rod 8 are started; first heating pipe 7, resistance wire heating net 11 and second heating pipe 12 generate heat fast, first heating pipe 7 promotes the temperature in the steel converter body 4, motor 2 drives hot-blast fan 10 and rotates the heat transfer with resistance wire heating net 11 to the steel converter body 4 in, the slow synchronous concertina movement that carries on of first electric telescopic handle 6 and second electric telescopic handle 8, drive the slow removal in steel converter body 4 of second mounting bracket 13 and second heating pipe 12, make the temperature in the steel converter body 4 promote fast and be heated evenly.

To sum up, this preheating converter for steel, iron and steel converter body 4 bottom is equipped with preheating furnace body 3, and the one end that preheating furnace body 3 kept away from iron and steel converter body 4 is equipped with motor 2, and the transmission shaft of motor 2 extends to in preheating furnace body 3, and preheating furnace body 3 communicates with each other with iron and steel converter body 4 and is connected. The inner bottom end of the preheating furnace body 3 is provided with a hot air fan 10, and a plurality of second heating pipes 12 are arranged in the second mounting rack 13. When in use, the motor 2, the first heating pipe 7, the resistance wire heating net 11, the second heating pipe 12, the first electric telescopic rod 6 and the second electric telescopic rod 8 are started; first heating pipe 7, resistance wire heating net 11 and second heating pipe 12 generate heat fast, first heating pipe 7 promotes the temperature in the steel converter body 4, motor 2 drives hot-blast fan 10 and rotates the heat transfer with resistance wire heating net 11 to the steel converter body 4 in, the slow synchronous concertina movement that carries on of first electric telescopic handle 6 and second electric telescopic handle 8, drive the slow removal in steel converter body 4 of second mounting bracket 13 and second heating pipe 12, make the temperature in the steel converter body 4 promote fast and be heated evenly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a preheating converter for steel, includes that work frame (1), bearing structure (5), steel converter body (4), preheating furnace body (3) and motor (2), fixed surface is equipped with bearing structure (5) under work frame (1), and work frame (1) upper surface is equipped with steel converter body (4), its characterized in that: the bottom end of the steel converter body (4) is provided with a preheating furnace body (3), one end, far away from the steel converter body (4), of the preheating furnace body (3) is provided with a motor (2), a transmission shaft of the motor (2) extends into the preheating furnace body (3), and the preheating furnace body (3) is communicated with the steel converter body (4).

2. The preheating converter for steel as claimed in claim 1, wherein: the preheating furnace is characterized in that a hot air fan (10) is arranged at the inner bottom end of the preheating furnace body (3), and a transmission rotating shaft at the center of the hot air fan (10) is fixedly connected with a transmission shaft of the motor (2).

3. The preheating converter for steel as claimed in claim 1, wherein: the preheating furnace body (3) is close to one side inner wall of steel converter body (4) and is fixedly provided with a first mounting bracket (9), a resistance wire heating net (11) is arranged in the first mounting bracket (9), and the outer wall of the resistance wire heating net (11) is fixedly connected with the inner wall of the first mounting bracket (9).

4. The preheating converter for steel as claimed in claim 3, wherein: first mounting bracket (9) top table wall one side is fixed and is equipped with first electric telescopic handle (6), and one side top table wall that first electric telescopic handle (6) were kept away from in first mounting bracket (9) is fixed and is equipped with second electric telescopic handle (8), and first electric telescopic handle (6) and second electric telescopic handle (8) all extend to in steel converter body (4) and are connected with surface fixed surface of second mounting bracket (13).

5. The preheating converter for steel as set forth in claim 4, characterized in that: a gap is formed between the outer wall of the second mounting frame (13) and the inner wall of the steel converter body (4), and a plurality of second heating pipes (12) are arranged in the second mounting frame (13).

6. The preheating converter for steel as claimed in claim 5, wherein: the first electric telescopic rod (6) and the second electric telescopic rod (8) move synchronously, and the second mounting rack (13) is arranged in the preheating furnace body (3) when the preheating furnace body is completely contracted.

7. The preheating converter for steel as claimed in claim 1, wherein: a plurality of first heating pipes (7) are arranged in the wall body of the steel converter body (4) in an array mode, one side, close to the inner wall of the steel converter body (4), of each first heating pipe (7) is provided with a heat conduction layer (14), and one side, far away from the inner wall of the steel converter body (4), of each first heating pipe (7) is provided with a heat insulation layer (15).