CN112609039A

CN112609039A - Steelmaking system and method

Info

Publication number: CN112609039A
Application number: CN202011356634.2A
Authority: CN
Inventors: 曾翠芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-04-06

Abstract

The invention relates to the technical field of steel making, in particular to a steel making system and a method, wherein the method comprises the following steps: step 1, placing steel into a smelting cavity, wherein after the steel enters the smelting cavity, the weight of the smelting cavity is increased, a pressurizing circular plate is driven to move downwards, an additive in a storage barrel flows into a hovering barrel through a communicating sliding pipe, and an electric arc furnace in the storage cavity is started to heat the steel; step 2, when the steel is gradually softened, starting the motor, driving the two groups of stirring plates to stir by the meshing transmission of the gear II and the two gears I, accelerating the smelting speed of the steel, and periodically pumping oxygen into the smelting cavity through the air inlet pipe while stirring; step 3, when the temperature of the steel is high enough, the valve is opened, the additive in the hovering barrel enters the smelting cavity through the flow inclined pipe, and the smelting speed of the steel is accelerated again; and 4, opening a valve on the liquid outlet pipe after the steel is completely melted, and discharging the liquid steel from the liquid outlet pipe through the telescopic hollow pipe.

Description

Steelmaking system and method

Technical Field

The invention relates to the technical field of steel making, in particular to a steel making system and a method.

Background

The steel making means that the carbon content is controlled, harmful elements such as P, S, O, N and the like are eliminated, beneficial elements such as Si, Mn, Ni, Cr and the like are reserved or increased, and the proportion among the elements is adjusted to obtain the best performance. The pig iron for steel making is put into a steel making furnace to be smelted according to a certain process, and the steel is obtained. The steel products include steel ingots, continuous casting billets, and direct casting into various steel castings. The term "steel" generally means steel rolled into various kinds of steel materials. Steel belongs to the ferrous metal but steel is not completely equivalent to ferrous metal. However, in the prior art, the additives need to be added manually in the steelmaking process, the quality of the additives cannot be mastered, and it is particularly important to design a steelmaking system capable of adding the additives with corresponding weight according to the weight of the steel.

Disclosure of Invention

A steelmaking system comprises a steel heating device, a steel smelting device, a shielding stirring device, a stirring power device, a pressure relief balancing device, an extension bearing device, an additive storage component, a linkage extrusion device and an interval deposit device, wherein the steel heating device is connected with the steel smelting device in a sliding manner, the steel smelting device is fixedly connected with the shielding stirring device, the shielding stirring device is connected with the stirring power device, the shielding stirring device is connected with the pressure relief balancing device, the steel heating device is fixedly connected with the extension bearing device, the extension bearing device is fixedly connected with the additive storage component, the steel smelting device is fixedly connected with the linkage extrusion device, the linkage extrusion device is connected with the additive storage component in a sliding manner, the steel smelting device is fixedly connected with the interval deposit device, the spacing register is connected with the additive storage component in a sliding way.

As a further optimization of the technical scheme, the steel heating device comprises a storage cavity, inclined support legs and a limiting ring, wherein an electric arc furnace is fixedly connected inside the storage cavity, three inclined support legs are uniformly and fixedly connected below the storage cavity, and the limiting ring is fixedly connected above the storage cavity.

As a further optimization of the technical scheme, the steel smelting device comprises a smelting cavity, an air inlet pipe, a telescopic hollow pipe, a spring I, a limiting plate and a liquid outlet pipe, wherein the telescopic hollow pipe is fixedly connected and communicated with the upper part of the smelting cavity, the telescopic hollow pipe is fixedly connected and communicated with the lower part of the smelting cavity, the spring I is sleeved on the telescopic hollow pipe, the limiting plate is fixedly connected with the lower part of the telescopic hollow pipe, the liquid outlet pipe is fixedly connected with the lower part of the limiting plate, a valve is arranged on the liquid outlet pipe, the telescopic hollow pipe is communicated with the liquid outlet pipe, the smelting cavity is in sliding connection with the limiting ring, the telescopic hollow pipe is in sliding connection with a storage cavity, and the spring I is positioned between the storage cavity and the smelting cavity.

As further optimization of the technical scheme, the shielding stirring device comprises a cover plate I, stirring shafts, stirring plates, a gear I, a peep window and a pressure relief hole, wherein the cover plate I is fixedly connected above the smelting cavity, the cover plate I is rotatably connected with two stirring shafts, the two stirring shafts are fixedly connected with a plurality of stirring plates, the gear I is fixedly connected above the two stirring shafts, and the cover plate I is provided with the peep window and the pressure relief hole;

stirring power device include carriage, motor and gear II, carriage fixed connection is in the top of apron I, fixedly connected with motor on the carriage, fixedly connected with gear II on the output shaft of motor, gear II is connected with two gear I meshing transmissions.

As a further optimization of the technical scheme, the pressure relief balancing device comprises a plugging plate, two limiting sliding columns, a top sliding plate, a plugging sliding column and a spring II, wherein the plugging plate is connected with the two limiting sliding columns in a sliding manner, the top sliding plate is fixedly connected above the two limiting sliding columns, the plugging plate is fixedly connected with the plugging sliding column, the plugging sliding column is sleeved with the spring II, the spring II is positioned between the plugging plate and the top sliding plate, the two limiting sliding columns are both fixedly connected with a cover plate I, and the plugging plate is connected in a pressure relief hole in a sliding manner.

As a further optimization of the technical scheme, the extension bearing device of the steelmaking system and the steelmaking method provided by the invention comprises a support fixing column I, an ear plate and a fixing ring, wherein the support fixing column I is fixedly connected with the storage cavity, the ear plate is fixedly connected to the support fixing column I, and the fixing ring is fixedly connected to the ear plate.

As a further optimization of the technical scheme, the additive storage component of the steelmaking system and the steelmaking method of the invention comprises a storage barrel, a feed pipe, a sealing plug, a cover plate II and a communicating slide pipe, wherein the storage barrel is fixedly connected in a fixed ring, the feed pipe is fixedly connected and communicated with the storage barrel, the sealing plug is slidably connected with the feed pipe, the cover plate II is fixedly connected above the storage barrel, and the communicating slide pipe is fixedly connected and communicated with the lower part of the storage barrel.

As a further optimization of the technical scheme, the linkage displacement device comprises a bearing plate, two supporting and fixing columns II, a discharging sliding column and a pressurizing circular plate, wherein the bearing plate is fixedly connected with the two supporting and fixing columns II, the two supporting and fixing columns II are both fixedly connected with a smelting cavity, the bearing plate is fixedly connected with the discharging sliding column, the discharging sliding column is slidably connected with a cover plate II, the pressurizing circular plate is fixedly connected below the discharging sliding column, and the pressurizing circular plate is slidably connected in a storage barrel.

As a further optimization of the technical scheme, the interval registering device comprises a fixed seat plate, a hovering barrel, a cover plate III, a flow inclined tube and a valve, wherein the fixed seat plate is fixedly connected with a smelting cavity, the hovering barrel is fixedly connected to the fixed seat plate, the cover plate III is fixedly connected to the upper portion of the hovering barrel, the cover plate III is slidably connected with a communication sliding tube, the flow inclined tube is fixedly connected and communicated to the lower portion of the hovering barrel, the flow inclined tube is fixedly connected and communicated with the smelting cavity, and the valve is arranged on the flow inclined tube.

As further optimization of the technical scheme, the invention provides a steelmaking system and a method for smelting the steelmaking system, which are characterized in that: the method comprises the following steps:

step 1: placing steel into a smelting cavity, wherein after the steel enters the smelting cavity, the weight of the smelting cavity is increased, a pressurizing circular plate is driven to move downwards, an additive in a storage barrel flows into a hovering barrel through a communicating sliding pipe, and an electric arc furnace in the storage cavity is started to heat the steel;

step 2: when the steel is gradually softened, the motor is started, the gear II is meshed with the two gears I to drive the two groups of stirring plates to stir, so that the smelting speed of the steel is accelerated, and oxygen is periodically injected into the smelting cavity through the air inlet pipe while stirring, so that the oxidation speed of the steel is accelerated;

and step 3: when the temperature of the steel is high enough, the valve is opened, and the additive in the hovering barrel enters the smelting cavity through the flow inclined pipe to accelerate the smelting speed of the steel again;

and 4, step 4: when the steel is completely melted, the valve on the liquid outlet pipe is opened, and liquid molten steel can be discharged from the liquid outlet pipe through the telescopic hollow pipe.

The steelmaking system and the steelmaking method have the beneficial effects that:

place the steel and smelt the intracavity, after the steel enters into and smelts the intracavity, smelt the intracavity and can become heavy, drive the pressurization plectane and move down, the additive that is located to store the bucket can flow to the bucket of hovering through the intercommunication slide pipe, the electric arc furnace that starts to store the intracavity heats the steel, when the steel softens gradually, the starter motor, through, gear II and two gear I meshing transmission even drive two sets of stirring boards and stir, accelerate the speed of smelting of steel, regularly squeeze into oxygen to smelting the intracavity through the intake pipe in the stirring, accelerate the oxidizing rate of steel, when the temperature of steel is enough high, the valve can be opened, the additive that is located to hover the bucket can enter into through the circulation pipe chute and smelt the intracavity, accelerate the speed of smelting of steel once more, after the steel melts completely, open the valve on the drain pipe, liquid molten steel can be discharged from the drain pipe through flexible empty pipe.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly fixed or limited otherwise, the terms "mounted," "connected" and "connected" are to be understood broadly, and for example, they may be fixed or detachable, or they may be directly or indirectly connected through an intermediate medium, or they may be connected inside two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.

FIG. 1 is a schematic structural view of a steelmaking system and method according to the present invention;

FIG. 2 is a schematic view of a steel heating apparatus;

FIG. 3 is a schematic structural view of a steel smelting apparatus;

FIG. 4 is a schematic view of a shielding stirring device;

FIG. 5 is a schematic structural view of a stirring power device;

FIG. 6 is a schematic view of a pressure relief balancing apparatus;

FIG. 7 is a schematic view of an extended carrier structure;

FIG. 8 is a schematic view of an additive storage member;

FIG. 9 is a schematic view of a linkage displacement device;

FIG. 10 is a diagram illustrating a structure of a spacer register apparatus.

In the figure: a steel heating device 1; a storage chamber 1-1; 1-2 of an inclined supporting leg; 1-3 of a limiting ring; a steel smelting device 2; a smelting chamber 2-1; an air inlet pipe 2-2; 2-3 of a telescopic hollow pipe; a spring I2-4; 2-5 parts of a limiting plate; 2-6 of a liquid outlet pipe; a shielding and stirring device 3; cover plate I3-1; 3-2 of a stirring shaft; 3-3 of a stirring plate; gear I3-4; 3-5 of a peep window; 3-6 of pressure relief holes; a stirring power device 4; a support frame 4-1; a motor 4-2; gear II 4-3; a pressure relief balancing device 5; 5-1 of a plugging plate; 5-2 of a limiting sliding column; 5-3 of a top sliding plate; 5-4 of a plugging sliding column; spring II 5-5; an extension carrier 6; the supporting and fixing column I6-1; 6-2 of ear plate; 6-3 of a fixing ring; an additive storage means 7; a storage barrel 7-1; a feed tube 7-2; 7-3 of a sealing plug; cover plate II 7-4; 7-5 of a communicating sliding pipe; a linkage displacement device 8; a bearing plate 8-1; supporting and fixing column II 8-2; 8-3 of a discharging sliding column; 8-4 of a pressurizing circular plate; interval registering means 9; a fixed seat plate 9-1; hovering the barrel 9-2; cover plate III 9-3; 9-4 parts of a flow-through inclined pipe; and 9-5 of valves.

Detailed Description

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1-10, the present invention relates to the technical field of steel making, and more specifically to a steel making system and method, which includes a steel heating device 1, a steel melting device 2, a shielding stirring device 3, a stirring power device 4, a pressure relief balancing device 5, an extension bearing device 6, an additive storage member 7, a linkage displacement device 8 and an interval registering device 9, wherein steel is placed in a melting chamber 2-1, when the steel enters the melting chamber 2-1, the melting chamber 2-1 is heavier, a pressurizing circular plate 8-4 is driven to move downwards, the additive in the storage barrel 7-1 flows into a hovering barrel 9-2 through a communicating sliding pipe 7-5, an electric arc furnace in the storage chamber 1-1 is started to heat the steel, when the steel is gradually softened, a motor 4-2 is started, the gear II4-3 and the two gears I3-4 are meshed and driven to drive the two groups of stirring plates 3-3 to stir, the steel smelting speed is accelerated, oxygen is periodically pumped into the smelting cavity 2-1 through the air inlet pipe 2-2 while stirring, the steel oxidation speed is accelerated, when the steel temperature is high enough, the valve 9-5 is opened, an additive in the hovering barrel 9-2 enters the smelting cavity 2-1 through the flow inclined pipe 9-4, the steel smelting speed is accelerated again, after the steel is completely melted, the valve on the liquid outlet pipe 2-6 is opened, and liquid steel liquid is discharged from the liquid outlet pipe 2-6 through the telescopic hollow pipe 2-3;

a steelmaking system comprises a steel heating device 1, a steel smelting device 2, a shielding stirring device 3, a stirring power device 4, a pressure relief balancing device 5, an extension bearing device 6, an additive storage component 7, a linkage extrusion device 8 and an interval storage device 9, wherein the steel heating device 1 is connected with the steel smelting device 2 in a sliding way, the shielding stirring device 3 is fixedly connected with the steel smelting device 2, the shielding stirring device 3 is connected with the stirring power device 4, the shielding stirring device 3 is connected with the pressure relief balancing device 5, the steel heating device 1 is connected with the extension bearing device 6 in a fixed way, the extension bearing device 6 is connected with the additive storage component 7 in a fixed way, the steel smelting device 2 is connected with the linkage extrusion device 8 in a fixed way, and the linkage extrusion device 8 is connected with the additive storage component 7 in a sliding way, the steel smelting device 2 is fixedly connected with an interval registering device 9, and the interval registering device 9 is connected with the additive storage component 7 in a sliding mode.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1-10, and the steel heating device 1 further described in the embodiment includes a storage chamber 1-1, an inclined leg 1-2 and a limit ring 1-3, the storage chamber 1-1 plays a role of bearing connection, an electric arc furnace is fixedly connected inside the storage chamber 1-1, the electric arc furnace can generate an electrode arc, and when the electrode arc occurs, a high temperature is generated, according to the high-temperature meltable steel making method, three inclined supporting legs 1-2 are uniformly and fixedly connected below a storage cavity 1-1, the whole device is supported and fixed by the three inclined supporting legs 1-2, a limiting ring 1-3 is fixedly connected above the storage cavity 1-1, and a key groove is formed in the limiting ring 1-3, so that the smelting cavity 2-1 is limited conveniently, and the smelting cavity 2-1 can only slide up and down.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1-10, and the embodiment further describes the second embodiment, where the steel smelting device 2 includes a smelting cavity 2-1, an air inlet pipe 2-2, a telescopic hollow pipe 2-3, a spring I2-4, a position-limiting plate 2-5, and a liquid outlet pipe 2-6, steel is placed in the smelting cavity 2-1, electrode arc generated by an electric arc furnace is used to heat the steel until the steel is liquefied, the smelting cavity 2-1 is provided with a key, when the key is slidably connected in a key groove, the position-limiting of the smelting cavity 2-1 can be realized, the smelting cavity 2-1 can only slide up and down, so as to take out a corresponding amount of additive, the air inlet pipe 2-2 is fixedly connected above the smelting cavity 2-1 and communicated with the air inlet pipe 2-2, the air inlet pipe 2-2 is connected with an oxygen generator, oxygen is discharged into the smelting cavity 2-1 through the air, thus, the oxidation of steel can be accelerated, the liquefaction of steel is accelerated, the lower part of the smelting cavity 2-1 is fixedly connected with a telescopic hollow pipe 2-3 and communicated, the telescopic hollow pipe 2-3 is sleeved with a spring I2-4, the spring I2-4 has the reset function, when no steel exists in the smelting cavity 2-1, the lower part of the telescopic hollow pipe 2-3 is fixedly connected with a limit plate 2-5, the lower part of the limit plate 2-5 is fixedly connected with a liquid outlet pipe 2-6, the liquid outlet pipe 2-6 is provided with a valve, the telescopic hollow pipe 2-3 is communicated with the liquid outlet pipe 2-6, the smelting cavity 2-1 is slidably connected with a limit ring 1-3, the telescopic hollow pipe 2-3 is slidably connected with a storage cavity 1-1, the spring I2-4 is positioned between the storage cavity 1-1 and the smelting cavity 2-1, after steel is added into the smelting cavity 2-1, the smelting cavity 2-1 moves downwards to extrude the spring I2-4, the smelting cavity 2-1 drives the pressurizing circular plate 8-4 to move downwards through the supporting and fixing column II8-2 at the moment, the pressure in the storage barrel 7-1 is changed, the additive in the storage barrel 7-1 is discharged through the communicating sliding pipe 7-5 and enters the hovering barrel 9-2, the extruding degree of the spring I2-4 is also different due to different steel qualities, the pressure in the storage barrel 7-1 is also different, the discharged additive is also different, the additive is different according to the different steel qualities, the additive is added without manual proportioning, the automatic smelting of the steel is realized, the steel can be discharged into the liquid outlet pipe 2-6 through the telescopic hollow pipe 2-3 after being completely liquefied, finally, the liquefied steel is discharged from the liquid outlet pipe 2-6.

The fourth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 10, and the shielding stirring device 3 further described in the third embodiment includes a cover plate I3-1, a stirring shaft 3-2, a stirring plate 3-3, a gear I3-4, a peeping window 3-5 and a pressure relief hole 3-6, the cover plate I3-1 is fixedly connected above the smelting chamber 2-1 through screws, when steel needs to be added into the smelting chamber 2-1, the cover plate I3-1 needs to be removed to place the steel into the smelting chamber 2-1, after the steel is added, the cover plate I3-1 is installed, the cover plate I3-1 can shield and seal the upper part of the smelting chamber 2-1 to prevent a large amount of hot gas from being discharged, a temperature sensor is arranged on the cover plate I3-1 and can control a valve 9-5, when the temperature of the steel is too high, the temperature sensor senses that the temperature is too high, the valve 9-5 can be opened, the additive in the hovering barrel 9-2 can be discharged into the smelting cavity 2-1 through the flow inclined pipe 9-4, the cover plate I3-1 is rotatably connected with two stirring shafts 3-2, the stirring shafts 3-2 can drive the stirring plates 3-3 to rotate, so that the liquefaction of the steel can be accelerated, the stirring plates 3-3 are fixedly connected to the two stirring shafts 3-2, the stirring plates 3-3 have a stirring effect, a gear I3-4 is fixedly connected above the two stirring shafts 3-2, the gear I3-4 can drive the stirring shafts 3-2 to rotate, the cover plate I3-1 is provided with a peep window 3-5 and a pressure relief hole 3-6, the steel smelting condition can be observed by using the peeping window 3-5, and when the pressure in the smelting cavity 2-1 is overlarge, the pressure can be discharged through the pressure relief hole 3-6, so that the pressure of the device is leveled, and explosion is avoided;

the stirring power device 4 comprises a support frame 4-1, a motor 4-2 and a gear II4-3, wherein the support frame 4-1 is fixedly connected above a cover plate I3-1, the support frame 4-1 can provide a fixed space for the motor 4-2, the support frame 4-1 is fixedly connected with the motor 4-2, the motor 4-2 can drive the gear II4-3 to rotate, the output shaft of the motor 4-2 is fixedly connected with the gear II4-3, the rotating gear II4-3 can drive two gears I3-4 to rotate, and the gear II4-3 is in meshing transmission connection with the two gears I3-4.

The fifth concrete implementation mode:

the fourth embodiment is further described with reference to fig. 1-10, and the fourth embodiment further illustrates that the pressure relief balance device 5 includes a plugging plate 5-1, a limiting sliding pillar 5-2, a top sliding plate 5-3, a plugging sliding pillar 5-4 and a spring II5-5, the pressure relief hole 3-6 can be plugged by the plugging plate 5-1, two limiting sliding pillars 5-2 are slidably connected to the plugging plate 5-1, the two limiting sliding pillars 5-2 can provide a sliding space for the plugging plate 5-1 and limit the sliding space, so that the plugging plate 5-1 can only slide up and down, the top sliding plate 5-3 is fixedly connected above the two limiting sliding pillars 5-2, the top sliding plate 5-3 can provide a sliding space for the plugging sliding pillar 5-4, the plugging plate 5-1 is fixedly connected with the plugging sliding pillar 5-4, the sealing sliding column 5-4 is sleeved with a spring II5-5, the spring II5-5 is utilized to push against the sealing plate 5-1 to move downwards to seal the pressure relief hole 3-6, the spring II5-5 is positioned between the sealing plate 5-1 and the top sliding plate 5-3, the two limiting sliding columns 5-2 are fixedly connected with the cover plate I3-1, the sealing plate 5-1 is connected in the pressure relief hole 3-6 in a sliding manner, when the pressure in the smelting cavity 2-1 is too high, gas can be discharged through the pressure relief hole 3-6, the pressure acts on the sealing plate 5-1 and drives the sealing plate 5-1 to move upwards to extrude the spring II5-5, at the moment, the pressure relief hole 3-6 can be connected with air to release the pressure in the smelting cavity 2-1, when the pressure in the smelting cavity 2-1 is balanced, the elastic force generated by the spring II5-5 pushes the blocking plate 5-1 to move downwards, and the pressure relief hole 3-6 is blocked again.

The sixth specific implementation mode:

the present embodiment is described below with reference to fig. 1-10, and the extension carrying device 6 further described in the present embodiment includes a supporting and fixing post I6-1, an ear plate 6-2 and a fixing ring 6-3, the supporting and fixing post I6-1 is fixedly connected to the storage cavity 1-1, the supporting and fixing post I6-1 can provide a fixed space for the ear plate 6-2, the ear plate 6-2 is fixedly connected to the supporting and fixing post I6-1, the ear plate 6-2 can provide a fixed space for the fixing ring 6-3, the fixing ring 6-3 is fixedly connected to the ear plate 6-2, and the fixing ring 6-3 is used to provide a fixed space for the storage barrel 7-1, because the position of the storage barrel 7-1 cannot be changed when the additive with the corresponding weight is added to the weight of steel, how much the additive falls is achieved by how much the pressurizing circular plate 8-4 is lowered.

The seventh embodiment:

the embodiment is described below with reference to fig. 1-10, and the additive storage member 7 further described in the embodiment five includes a storage barrel 7-1, a feeding tube 7-2, a sealing plug 7-3, a cover plate II7-4 and a communication sliding tube 7-5, the storage barrel 7-1 is fixedly connected to a fixing ring 6-3, the storage barrel 7-1 stores therein an additive for steel melting, which can accelerate melting of a steel block and remove impurities in the steel, the storage barrel 7-1 is fixedly connected to and communicated with the feeding tube 7-2, the feeding tube 7-2 adds the additive to the storage barrel 7-1, the feeding tube 7-2 is slidably connected to the sealing plug 7-3, and the feeding tube 7-2 can be sealed, the pressure relief is prevented, if the pressure relief can cause the problem of the weight discharged by the additive, a cover plate II7-4 is fixedly connected above the storage barrel 7-1, the cover plate II7-4 can seal the upper part of the storage barrel 7-1 and can also provide a sliding space for the discharging sliding column 8-3, a communicating sliding pipe 7-5 is fixedly connected and communicated below the storage barrel 7-1, the additive enters the hovering barrel 9-2 through the communicating sliding pipe 7-5, a valve is arranged on the communicating sliding pipe 7-5, when steel is added, the additive needs to be discharged, after the additive is completely discharged, a valve on a communicating slide pipe 7-5 needs to be closed, so that the smelting cavity 2-1 is prevented from shaking in the stirring process, resulting in more additive entering the hovering barrel 9-2, ensuring that the weight of the steel and the weight of the additive match.

The specific implementation mode is eight:

this embodiment will be described below with reference to fig. 1 to 10, and this embodiment will further describe embodiment six: the linkage displacement device 8 comprises a bearing plate 8-1, two supporting and fixing columns II8-2, a discharging sliding column 8-3 and a pressurizing circular plate 8-4, wherein the bearing plate 8-1 is fixedly connected with the two supporting and fixing columns II8-2, the two supporting and fixing columns II8-2 are both fixedly connected with a smelting cavity 2-1, the bearing plate 8-1 is fixedly connected with the discharging sliding column 8-3, the discharging sliding column 8-3 is slidably connected with a cover plate II7-4, the pressurizing circular plate 8-4 is fixedly connected below the discharging sliding column 8-3, the pressurizing circular plate 8-4 is slidably connected in a storage barrel 7-1, when steel enters the smelting cavity 2-1, the smelting cavity 2-1 can descend, the discharging sliding column 8-3 is driven to slide downwards by the two supporting and fixing columns II8-2 and the bearing plate 8-1, the discharge sliding column 8-3 drives the pressurizing circular plate 8-4 to move downwards in the storage barrel 7-1, pressure difference is generated in the storage barrel 7-1, and the additive in the storage barrel 7-1 is discharged into the hovering barrel 9-2 through the communicating sliding pipe 7-5, so that the weight of the steel is matched with the weight of the additive.

The specific implementation method nine:

the embodiment is described below with reference to fig. 1-10, and the second embodiment is further described in the present embodiment, in which the spacing register device 9 includes a fixed seat plate 9-1, a hovering bucket 9-2, a cover plate III9-3, a flow inclined tube 9-4 and a valve 9-5, the fixed seat plate 9-1 is fixedly connected to the smelting chamber 2-1, the fixed seat plate 9-1 can provide a fixed space for the hovering bucket 9-2, the hovering bucket 9-2 is fixedly connected to the fixed seat plate 9-1, the discharged additive can be registered in the hovering bucket 9-2, when the temperature of the steel is too high, the additive in the hovering bucket 9-2 can be discharged, the cover plate III9-3 is fixedly connected to the upper side of the hovering bucket 9-2, the cover plate III9-3 plays a role of shielding, the cover plate III9-3 is slidably connected to the communication sliding tube 7-5, a flow inclined pipe 9-4 is fixedly connected and communicated with the lower part of the hovering barrel 9-2, an additive in the hovering barrel 9-2 enters the smelting cavity 2-1 through the flow inclined pipe 9-4, the flow inclined pipe 9-4 is fixedly connected and communicated with the smelting cavity 2-1, a valve 9-5 is arranged on the flow inclined pipe 9-4, and the valve 9-5 can control whether the additive is discharged from the flow inclined pipe 9-4 or not.

The detailed implementation mode is ten:

the embodiment is described below with reference to fig. 1 to 10, and the embodiment further describes a method for smelting in a steelmaking system, which is characterized in that: the method comprises the following steps:

step 1: placing steel into a smelting cavity 2-1, wherein after the steel enters the smelting cavity 2-1, the smelting cavity 2-1 becomes heavy to drive a pressurizing circular plate 8-4 to move downwards, an additive in a storage barrel 7-1 flows into a hovering barrel 9-2 through a communicating sliding pipe 7-5, and an electric arc furnace in the storage cavity 1-1 is started to heat the steel;

step 2: when the steel is gradually softened, starting the motor 4-2, driving the two groups of stirring plates 3-3 to stir by the meshing transmission of the gear II4-3 and the two gears I3-4, accelerating the smelting speed of the steel, and periodically pumping oxygen into the smelting cavity 2-1 through the air inlet pipe 2-2 during stirring to accelerate the oxidation speed of the steel;

and step 3: when the temperature of the steel is high enough, the valve 9-5 is opened, the additive in the hovering barrel 9-2 enters the smelting cavity 2-1 through the flow inclined pipe 9-4, and the smelting speed of the steel is accelerated again;

and 4, step 4: when the steel is completely melted, the valve on the liquid outlet pipe 2-6 is opened, and the liquid steel can be discharged from the liquid outlet pipe 2-6 through the telescopic hollow pipe 2-3.

The invention relates to a steelmaking system and a working principle of the method, which are as follows:

the cover plate I3-1 is taken down, steel is placed in a smelting cavity 2-1, when the steel enters the smelting cavity 2-1, the smelting cavity 2-1 becomes heavy, a material discharging sliding column 8-3 is driven to slide downwards through two supporting and fixing columns II8-2 and a bearing plate 8-1, the material discharging sliding column 8-3 drives a pressurizing circular plate 8-4 to move downwards in a storage barrel 7-1, at the moment, pressure difference is generated in the storage barrel 7-1, an additive in the storage barrel 7-1 is discharged into a hovering barrel 9-2 through a communicating sliding pipe 7-5, the weight of the steel is matched with the weight of the additive, after the additive is discharged, a valve on the communicating sliding pipe 7-5 is closed, a sealing plug 7-3 is taken down, the smelting cavity 2-1 is prevented from shaking in the stirring process, discharging redundant additives into a hovering barrel 9-2, starting an electric arc furnace in a storage cavity 1-1 to heat steel, starting a motor 4-2 when the steel is gradually softened, driving two groups of stirring plates 3-3 to stir by meshing transmission of a gear II4-3 and two gears I3-4, accelerating the smelting speed of the steel, periodically pumping oxygen into the smelting cavity 2-1 through an air inlet pipe 2-2 while stirring, accelerating the oxidation speed of the steel, sensing by a temperature sensor when the temperature of the steel is overhigh, opening a valve 9-5, discharging the additives in the hovering barrel 9-2 into the smelting cavity 2-1 through a circulating inclined pipe 9-4, accelerating the smelting speed of the steel again, taking out impurities in the steel, and when the pressure in the smelting cavity 2-1 is overlarge, the gas can be discharged through the pressure relief holes 3-6, the pressure acts on the blocking plate 5-1 and drives the blocking plate to move upwards to extrude the spring II5-5, the pressure relief holes 3-6 are connected with the air at the moment to release the pressure in the smelting cavity 2-1, after the pressure in the smelting cavity 2-1 is balanced, the elastic force generated by the spring II5-5 pushes the blocking plate 5-1 to move downwards to block the pressure relief holes 3-6 again, after the steel is completely melted, the valve on the liquid outlet pipe 2-6 is opened, and the liquid steel can be discharged from the liquid outlet pipe 2-6 through the telescopic hollow pipe 2-3.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a steelmaking system, includes steel heating device (1), steel smelting device (2), shelters from agitating unit (3), stirring power device (4), pressure release balancing unit (5), extends and bears device (6), additive storage component (7), device (8) and the interval of crowding are arranged in the linkage, its characterized in that: the steel heating device (1) is connected with a steel smelting device (2) in a sliding way, the steel smelting device (2) is fixedly connected with a shielding stirring device (3), the shielding and stirring device (3) is connected with a stirring power device (4), the shielding and stirring device (3) is connected with a pressure relief balancing device (5), an extension bearing device (6) is fixedly connected to the steel heating device (1), an additive storage component (7) is fixedly connected to the extension bearing device (6), the steel smelting device (2) is fixedly connected with a linkage extrusion device (8), the linkage displacement device (8) is connected with the additive storage component (7) in a sliding way, the steel smelting device (2) is fixedly connected with an interval registering device (9), the spacing register device (9) is connected with the additive storage component (7) in a sliding way.

2. A steelmaking system as claimed in claim 1, in which: the steel heating device (1) comprises a storage cavity (1-1), oblique supporting legs (1-2) and limiting rings (1-3), wherein an electric arc furnace is fixedly connected inside the storage cavity (1-1), the three oblique supporting legs (1-2) are uniformly and fixedly connected below the storage cavity (1-1), and the limiting rings (1-3) are fixedly connected above the storage cavity (1-1).

3. A steelmaking system as claimed in claim 2, in which: the steel smelting device (2) comprises a smelting cavity (2-1), an air inlet pipe (2-2), a telescopic blank pipe (2-3), a spring I (2-4), a limiting plate (2-5) and a liquid outlet pipe (2-6), the air inlet pipe (2-2) is fixedly connected and communicated with the upper part of the smelting cavity (2-1), the telescopic blank pipe (2-3) is fixedly connected and communicated with the lower part of the smelting cavity (2-1), the spring I (2-4) is sleeved on the telescopic blank pipe (2-3), the limiting plate (2-5) is fixedly connected with the lower part of the telescopic blank pipe (2-3), the liquid outlet pipe (2-6) is fixedly connected with the lower part of the limiting plate (2-5), a valve is arranged on the liquid outlet pipe (2-6), the telescopic blank pipe (2-3) is communicated with the liquid outlet pipe (2-6), the smelting cavity (2-1) is connected with the limiting ring (1-3) in a sliding mode, the telescopic hollow pipe (2-3) is connected with the storage cavity (1-1) in a sliding mode, and the spring I (2-4) is located between the storage cavity (1-1) and the smelting cavity (2-1).

4. A steelmaking system as claimed in claim 3, in which: the shielding and stirring device (3) comprises a cover plate I (3-1), stirring shafts (3-2), stirring plates (3-3), gears I (3-4), a peeping window (3-5) and pressure relief holes (3-6), the cover plate I (3-1) is fixedly connected above the smelting cavity (2-1), the cover plate I (3-1) is rotatably connected with two stirring shafts (3-2), the two stirring shafts (3-2) are fixedly connected with a plurality of stirring plates (3-3), the gears I (3-4) are fixedly connected above the two stirring shafts (3-2), and the cover plate I (3-1) is provided with the peeping window (3-5) and the pressure relief holes (3-6);

the stirring power device (4) comprises a supporting frame (4-1), a motor (4-2) and a gear II (4-3), the supporting frame (4-1) is fixedly connected above the cover plate I (3-1), the motor (4-2) is fixedly connected onto the supporting frame (4-1), the gear II (4-3) is fixedly connected onto an output shaft of the motor (4-2), and the gear II (4-3) is in meshing transmission connection with the two gears I (3-4).

5. A steelmaking system as claimed in claim 4, in which: the pressure relief balancing device (5) comprises a plugging plate (5-1), a limiting sliding column (5-2), a top sliding plate (5-3), a plugging sliding column (5-4) and a spring II (5-5), the sealing plate (5-1) is connected with two limiting sliding columns (5-2) in a sliding mode, the top sliding plate (5-3) is fixedly connected above the two limiting sliding columns (5-2), the sealing plate (5-1) is fixedly connected with the sealing sliding columns (5-4), the sealing sliding columns (5-4) are sleeved with springs II (5-5), the springs II (5-5) are located between the sealing plate (5-1) and the top sliding plate (5-3), the two limiting sliding columns (5-2) are fixedly connected with the cover plate I (3-1), and the sealing plate (5-1) is connected in the pressure relief hole (3-6) in a sliding mode.

6. A steelmaking system as claimed in claim 5, in which: the extension bearing device (6) comprises a supporting and fixing column I (6-1), an ear plate (6-2) and a fixing ring (6-3), the supporting and fixing column I (6-1) is fixedly connected with the storage cavity (1-1), the ear plate (6-2) is fixedly connected onto the supporting and fixing column I (6-1), and the fixing ring (6-3) is fixedly connected onto the ear plate (6-2).

7. A steelmaking system as claimed in claim 6, in which: the additive storage component (7) comprises a storage barrel (7-1), a feeding pipe (7-2), a sealing plug (7-3), a cover plate II (7-4) and a communicating sliding pipe (7-5), wherein the storage barrel (7-1) is fixedly connected in a fixing ring (6-3), the storage barrel (7-1) is fixedly connected with the feeding pipe (7-2) and communicated, the feeding pipe (7-2) is slidably connected with the sealing plug (7-3), the cover plate II (7-4) is fixedly connected above the storage barrel (7-1), and the lower part of the storage barrel (7-1) is fixedly connected with the communicating sliding pipe (7-5) and communicated.

8. A steelmaking system as claimed in claim 7, in which: the linkage extrusion device (8) comprises a bearing plate (8-1), two supporting and fixing columns II (8-2), a material discharging sliding column (8-3) and a pressurizing circular plate (8-4), wherein the bearing plate (8-1) is fixedly connected with the two supporting and fixing columns II (8-2), the two supporting and fixing columns II (8-2) are fixedly connected with a smelting cavity (2-1), the bearing plate (8-1) is fixedly connected with the material discharging sliding column (8-3), the material discharging sliding column (8-3) is slidably connected with a cover plate II (7-4), the pressurizing circular plate (8-4) is fixedly connected below the material discharging sliding column (8-3), and the pressurizing circular plate (8-4) is slidably connected in a storage barrel (7-1).

9. A steelmaking system as claimed in claim 8, in which: the interval registering device (9) comprises a fixed seat plate (9-1), a hovering barrel (9-2), a cover plate III (9-3), a flow inclined pipe (9-4) and a valve (9-5), the fixed seat plate (9-1) is fixedly connected with the smelting cavity (2-1), the fixed seat plate (9-1) is fixedly connected with a hovering barrel (9-2), a cover plate III (9-3) is fixedly connected above the hovering barrel (9-2), the cover plate III (9-3) is slidably connected with a communicating sliding pipe (7-5), a circulating inclined pipe (9-4) is fixedly connected and communicated with the lower portion of the hovering barrel (9-2), the circulating inclined pipe (9-4) is fixedly connected and communicated with the smelting cavity (2-1), and a valve (9-5) is arranged on the circulating inclined pipe (9-4).

10. A method of smelting in a steelmaking system as set forth in claim 9, wherein: the method comprises the following steps:

step 1: placing steel into a smelting cavity (2-1), wherein after the steel enters the smelting cavity (2-1), the smelting cavity (2-1) becomes heavy to drive a pressurizing circular plate (8-4) to move downwards, an additive in a storage barrel (7-1) flows into a hovering barrel (9-2) through a communicating sliding pipe (7-5), and an electric arc furnace in the storage cavity (1-1) is started to heat the steel;

step 2: when the steel is gradually softened, starting the motor (4-2), driving the two groups of stirring plates (3-3) to stir by the meshing transmission of the gear II (4-3) and the two gears I (3-4), accelerating the smelting speed of the steel, and periodically pumping oxygen into the smelting cavity (2-1) through the air inlet pipe (2-2) during stirring to accelerate the oxidation speed of the steel;

and step 3: when the temperature of the steel is high enough, the valve (9-5) is opened, and the additive in the hovering barrel (9-2) enters the smelting cavity (2-1) through the flow inclined pipe (9-4), so that the smelting speed of the steel is accelerated again;

and 4, step 4: when the steel is completely melted, the valve on the liquid outlet pipe (2-6) is opened, and the liquid molten steel can be discharged from the liquid outlet pipe (2-6) through the telescopic hollow pipe (2-3).