CN114777491A - Smelting furnace feed automation equipment - Google Patents

Abstract

The invention discloses a smelting furnace feeding automation device which comprises a pit feeding system, an iron alloy storage, baking and feeding system, a smelting furnace rear translation self-discharging feeding system, a furnace rear feeding system, a converter smelting system, a crane device, three electric vibration feeders, an iron alloy feeding bin, a dust collecting system, a vertical belt conveyor, a small reversible belt conveyor, an iron alloy storage and baking bin, a weighing trolley, an electric vibration feeding and distributing device, a scale plate machine, a motor and a speed reducer, a translation self-discharging hopper, a local platform, a furnace rear iron alloy feeding bin, an iron alloy discharging device, a self-discharging automobile, an iron alloy feeding bin and a dust collecting system. The invention reduces the labor cost and the mechanical cost of the crane and the forklift, simultaneously improves the automation degree, reduces the manual operation intervention, reduces and eliminates the potential safety hazard on the safety of the operating personnel, ensures the personal safety of the operating personnel and greatly improves the working efficiency.

Description

A smelting furnace feeding automation equipment

technical field

The invention relates to the technical field of steelmaking, in particular to an automatic equipment for feeding material to a smelting furnace.

Background technique

The ferroalloy storage bins of smelting furnaces such as converters or electric furnaces are located in the smelting furnace span, close to the tapped column line. There are 6-8 ferroalloy storage bins on the side of the furnace. The storage bins are often equipped with ferroalloy baking and heating functions. The feeding operation usually uses the 10t crane collapsed in the smelting furnace to lift the ferroalloy bottom-opening material tank or the ferroalloy storage and transportation ton bag for feeding. This operation requires one person on the ground to hang the material tank or the ton bag; the opening of the storage silo The platform needs 1 person to feed the material or unpack the ton bag and command the crane; the crane also needs a crane driver to operate, and the ferroalloy storage bin on the side of the smelting furnace feeds the smelting furnace. Usually, the forklift on the smelting furnace operation platform is operated. , The sporadic hoppers are transported by forklifts to undertake the ferroalloys weighed by the weighing vehicles under the ferroalloy storage silo. The sporadic hoppers are supplied by forklifts to the alloy feeding silo at the back of the furnace for backup. During the tapping process of the smelting furnace, the silo at the rear of the furnace will Ferroalloy is added to the ladle to complete the alloying and deoxidation process of molten steel. The feeding process requires 1 forklift and 1 forklift driver. This is the feeding operation of the ferroalloy storage bin and the feeding operation of the ferroalloy storage bin for the smelting furnace. The labor consumption is large, and the mechanical cost of cranes and forklifts is high. There are also some security risks.

SUMMARY OF THE INVENTION

In view of the above-mentioned technical problems in the related art, the present invention proposes an automatic equipment for feeding a smelting furnace, which can overcome the above-mentioned shortcomings of the prior art.

For realizing the above-mentioned technical purpose, the technical scheme of the present invention is realized like this:

A smelting furnace feeding automation equipment, including a pit feeding system, the top of the pit feeding system is provided with a lifting device, and one end of the pit feeding system is connected with a ferroalloy storage, baking and feeding system, so the The ferroalloy storage, baking and feeding system is connected to the rear translational self-unloading feeding system of the smelting furnace, and the bottom of the smelting furnace rear translational self-unloading feeding system is provided with a post-furnace feeding system, and the post-furnace feeding system is connected to the converter smelting system. connected, the pit feeding system includes a feeding bin, the top of the feeding bin is provided with a dust collection system, and the bottom of the feeding bin is provided with a first electro-vibration feeder, the first electro-vibration feeder There is a vertical belt conveyor at the bottom of the machine.

Furthermore, the hoisting device is arranged on the top of the pit feeding system through a sliding rail, and the hoisting device can move on the sliding rail.

Furthermore, the pit feeding system dumps the raw materials by means of transport, and the vertical belt conveyor has a Z-shaped structure.

Further, the iron alloy storage, baking and feeding system includes a reversible small belt conveyor, the reversible small belt conveyor is arranged at the bottom of one end of the vertical belt conveyor, the reversible small belt conveyor has a walking function, and the reversible small belt conveyor The bottom is provided with a ferroalloy storage and baking bin, the bottom of the ferroalloy storage and baking bin is provided with a second electro-vibration feeder, and the bottom of the second electro-vibration feeder is provided with a weighing bin, the weighing bin A feeder is arranged at the bottom, a scale machine is correspondingly arranged at the bottom of the feeder, and a power mechanism is arranged at one end of the scale machine.

Further, a third electro-vibration feeder is arranged under the head of the slat machine, and a self-unloading hopper is arranged at the bottom end of the third electro-vibration feeder, and the self-unloading hopper is arranged on a local platform.

Furthermore, the bottom of the partial platform is provided with a ferroalloy feeding bin behind the converter furnace, and the ferroalloy feeding bin behind the converter furnace is connected with the self-unloading hopper through a pipeline.

Further, a ferroalloy discharging device is arranged inside the ferroalloy feeding bin behind the converter.

Further, the first half of the scale machine is a horizontal structure, the second half is provided with a horizontal angle of 135°, and the scale machine is provided with baffles at a certain distance.

Further, the dust collection system adopts a structure of three-side sealing and one air-sealing.

The beneficial effects of the present invention are as follows: the labor cost and the mechanical cost of cranes and forklifts are reduced, the degree of automation is improved, the manual operation intervention is reduced, the potential safety hazard existing in the safety of the operator is reduced and eliminated, the personal safety of the staff is ensured, and the improvement is greatly improved. work efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a plan layout diagram of a smelting furnace feeding automation equipment according to an embodiment of the present invention;

2 is a cross-sectional view of a smelting furnace feeding automation equipment according to an embodiment of the present invention;

3 is a sectional view of a post-furnace feeding system of a smelting furnace feeding automation equipment according to an embodiment of the present invention;

4 is a partial view of a pit feeding system of a smelting furnace feeding automation equipment according to an embodiment of the present invention.

In the picture: 1. Pit feeding system, 2. Ferroalloy storage, baking and feeding system, 3. Post-smelting furnace translational self-unloading feeding system, 4. Post-furnace feeding system, 5. Converter smelting system, 6. Starting Heavy equipment, 11, means of transport, 12, first electro-vibration feeder, 13, feeding bin, 14, dust collection system, 15, vertical belt conveyor, 21, reversible small belt conveyor, 22, ferroalloy storage and baking Bin, 23, the second electro-vibration feeder, 24, weighing bin, 25, the feeder, 26, the scale machine, 27, the power mechanism, 31, the third electro-vibration feeder, 32, the self-unloading hopper, 33. Partial platform, 41. Ferroalloy feeding bin behind converter, 42. Ferroalloy discharging device.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

As shown in Figures 1-4, an automatic equipment for feeding material to a smelting furnace according to an embodiment of the present invention includes a pit feeding system 1. The top of the pit feeding system 1 is provided with a lifting device 6, so One end of the pit feeding system 1 is connected with the ferroalloy storage, baking and feeding system 2, and the ferroalloy storage, baking and feeding system 2 is connected with the rear translational self-unloading feeding system 3 of the smelting furnace. The bottom of the self-unloading feeding system 3 is provided with a post-furnace feeding system 4, and the post-furnace feeding system 4 is connected to the converter smelting system 5. The pit feeding system 1 includes a feeding bin 13, and the top of the feeding bin 13 is A dust collection system 14 is provided, a first electro-vibration feeder 12 is provided at the bottom of the upper silo 13 , and a vertical belt conveyor 15 is provided at the bottom of the first electro-vibration feeder 12 .

In a specific embodiment, the lifting device 6 is arranged on the top of the pit feeding system 1 through a sliding rail, and the lifting device 6 can move on the sliding rail.

In a specific embodiment, the pit feeding system 1 dumps the raw materials through the conveying means 11, and the vertical belt conveyor 15 has a Z-shaped structure.

In a specific embodiment, the iron alloy storage, baking and feeding system 2 includes a reversible small belt conveyor 21, the reversible small belt conveyor 21 is arranged at the bottom of one end of the vertical belt conveyor 15, and the reversible small belt conveyor 21 has a walking function , the bottom of the reversible small belt conveyor 21 is provided with a ferroalloy storage and baking bin 22, and the bottom of the ferroalloy storage and baking bin 22 is provided with a second electro-vibration feeder 23, the second electro-vibration feeder 23 A weighing bin 24 is provided at the bottom, a feeder 25 is provided at the bottom of the weighing bin 24, a scale machine 26 is correspondingly provided at the bottom of the feeder 25, and a power mechanism 27 is provided at one end of the scale machine 26.

In a specific embodiment, a third electro-vibration feeder 31 is provided under the head of the flake machine 26, and a self-unloading hopper 32 is provided at the bottom end of the third electro-vibration feeder 31. The self-unloading hopper 32 is provided on the partial platform 33 .

In a specific embodiment, the bottom of the partial platform 33 is provided with a post-converter ferroalloy feeding bin 41, and the post-converter ferroalloy feeding bin 41 is connected with the self-unloading hopper 32 through a pipeline.

In a specific embodiment, a ferroalloy discharging device 42 is provided inside the ferroalloy feeding bin 41 behind the converter.

In a specific embodiment, the first half of the scale machine 26 is a horizontal structure, the second half is provided with a horizontal angle of 135°, and the scale machine 26 is provided with a baffle at a certain distance.

In a specific embodiment, the dust collection system 14 adopts a structure of sealing on three sides and air-sealing on one side.

In order to facilitate the understanding of the above-mentioned technical solutions of the present invention, the above-mentioned technical solutions of the present invention will be described in detail below through specific usage modes.

In specific use, according to the automatic tipping process of the transport tool 11 (transportation of bulk ferroalloy by a dump truck) according to the present invention, the dump truck 11 dumps the ferroalloy into the ferroalloy loading bin 13 in the pit, The top of the silo 13 adopts a dust collection system 14 that is sealed on three sides and air-sealed on the other side. This system 14 is connected with the secondary dust removal pipeline to meet the environmental protection requirements for dust removal during the unloading process. The ferroalloy in the ferroalloy upper silo is fed to the vertical belt conveyor 15 under the electric vibration through the first electro-vibration feeder 12 under the silo, and the vertical belt conveyor 15 is fed to the smelting furnace across the reversible small belt conveyor 21 above the ferroalloy feeding port. For feeding, this reversible small belt conveyor 21 has a walking function. It realizes the unloading on both sides through reversible operation, and then realizes 3-4 silos on each side through horizontal walking, and realizes 6-8 silos on both sides for unloading. Thus, the automatic feeding of the ferroalloy storage and baking bin 22 is realized.

3. The ferroalloy is baked in the ferroalloy storage baking bin 22 on the side of the smelting furnace, and the baked ferroalloy has a high temperature of 600-800°C. The baked ferroalloy is fed to the weighing trolley or weighing bin 24 under the bin through the second electro-vibration feeder 23 under the bin, and the weighing trolley or weighing bin 24 feeds and distributes materials through the electro-vibration below it. The device 25 feeds the scale machine 26 below it. The weighing trolley can be a mobile type or a fixed weighing bin. Every two storage bins corresponds to a weighing bin, a weighing trolley or a weighing bin. An electro-vibration feeder and a distributor 25 are arranged below, and the power transmission of the scale machine 26 is lent by the power member 27 (motor and reducer) provided with the upper platform.

4. The motor and reducer 27 driven by the head of the scale machine 26 are located on the second-floor platform behind the smelting furnace. The third electro-vibration feeder 31 is set under the head of the scale machine 26, and the ferroalloy passes through the scale machine 26 and the scale. The electro-vibration feeder (C) 31 under the head of the trigger 26 feeds the ferroalloy transport translation self-unloading hopper 32 behind the furnace, and the ferroalloy transport translation self-unloading hopper 32 after the furnace is located in the shunting part between the furnace platform and the second-floor platform The platform 33, that is, this partial platform is hung on the steel structure of the second-floor platform, and a track is set on the partial platform 33 to realize the walking of the translational self-unloading hopper 32, and the translational self-unloading hopper 32 respectively feeds the ferroalloy after 2-3 converter furnaces The silo 41 supplies materials, and a ferroalloy discharging device 42 is arranged under the ferroalloy feeding silo 41 after the furnace. This translational self-unloading hopper 32 can be set up to 1-2 units according to the calculation, so as to realize that the ferroalloy is supplied from the ferroalloy storage silo 22 to the smelting after baking. The transportation process of the alloy charging bin 41 after the furnace is realized, so as to realize automation.

5. Fully consider the communication with the smelting furnace system in the automation design, with functions such as automatic identification of furnace seat, steel grade and ferroalloy weight upload, etc., to realize the communication between the weighing system and the smelting furnace steelmaking MES system, and data mutual transmission, which is convenient for cost. Accounting. At the same time, the weighing bin 24 (weighing trolley) has the function of automatic calibration.

6. In the ferroalloy feeding automation system, each ferroalloy blanking point is connected to the secondary dust removal system, and the dust removal valve of each ferroalloy discharge point is independently automatically interlocked and controlled, without human intervention, it is opened when it is used, and it is closed when it is not used.

7. The converter smelting system 5 in the figure is a smelting furnace. The ferroalloy baking storage bin on the side of the smelting furnace is an automatic system and equipment for feeding the smelting furnace, which is also suitable for application in the electric furnace steelmaking process.

8. This provides an automatic system and equipment for feeding the smelting furnace with a ferroalloy baking storage bin on the side of the smelting furnace, so as to reduce labor costs and mechanical costs of cranes 6 and forklifts, and at the same time improve the degree of automation, reduce manual operation intervention, and reduce And eliminate the safety hazard that exists in the safety of operators.

To sum up, with the help of the above technical solutions of the present invention, the labor cost and the mechanical cost of cranes and forklifts are reduced, the degree of automation is improved, the manual operation intervention is reduced, the hidden safety hazard existing in the safety of the operator is reduced and eliminated, and the work is guaranteed. The personal safety of personnel has greatly improved the work efficiency.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (9)

1. A smelting furnace feeding automation equipment, characterized in that it comprises a pit feeding system (1), a lifting device (6) is provided at the top of the pit feeding system (1), and a lifting device (6) is provided on the top of the pit feeding system (1). One end of the feeding system (1) is connected to the ferroalloy storage, baking and feeding system (2), and the ferroalloy storage, baking and feeding system (2) is connected to the rear translational self-unloading feeding system (3) of the smelting furnace. The bottom of the smelting furnace translation self-unloading feeding system (3) is provided with a post-furnace feeding system (4), the post-furnace feeding system (4) is connected with the converter smelting system (5), and the pit feeding system (1) ) comprises an upper silo (13), the top of the upper silo (13) is provided with a dust collection system (14), and the bottom of the upper silo (13) is provided with a first electro-vibration feeder (12), so The bottom of the first electro-vibration feeder (12) is provided with a vertical belt conveyor (15). 2. A smelting furnace feeding automation equipment according to claim 1, characterized in that, the lifting equipment (6) is arranged on the top of the pit feeding system (1) through a slide rail, and the lifting equipment (6) It can be moved on the slide rail. 3. A smelting furnace feeding automation equipment according to claim 2, characterized in that, the pit feeding system (1) dumps the raw materials by means of transport (11), and the vertical belt conveyor (15) is in the form of a conveyer (11). Z-shaped structure. 4. A smelting furnace feeding automation equipment according to claim 1, characterized in that the ferroalloy storage, baking and feeding system (2) comprises a reversible small belt conveyor (21), the reversible small belt conveyor (21) is arranged at the bottom of one end of the vertical belt conveyor (15), the small reversible belt conveyor (21) has a walking function, and the bottom of the small reversible belt conveyor (21) is provided with a ferroalloy storage and baking bin (22), so the The ferroalloy storage and baking bin (22) is provided with a second electro-vibration feeder (23) at the bottom, and a weighing bin (24) is provided at the bottom of the second electro-vibration feeder (23). The bottom of the bin (24) is provided with a feeder (25), the bottom of the feeder (25) is correspondingly provided with a scale machine (26), and one end of the scale machine (26) is provided with a power mechanism (27). 5. A smelting furnace feeding automation equipment according to claim 4, characterized in that, a third electro-vibration feeder (31) is arranged under the head of the scaly machine (26), and the third The bottom end of the electro-vibration feeder (31) is provided with a self-unloading hopper (32), and the self-unloading hopper (32) is arranged on a local platform (33). 6. A smelting furnace feeding automation equipment according to claim 5, characterized in that, the bottom of the partial platform (33) is provided with a ferroalloy feeding bin (41) behind the converter furnace, and the ferroalloy feeding bin (41) behind the converter furnace (41) is connected with the self-unloading hopper (32) through a pipeline. 7. A smelting furnace feeding automation equipment according to claim 5, characterized in that, a ferroalloy discharging device (42) is arranged inside the ferroalloy feeding bin (41) behind the converter furnace. 8. A smelting furnace feeding automation equipment according to claim 4, characterized in that the first half of the scale machine (26) is a horizontal structure, and the second half is provided with a horizontal angle of 135°, and the scale The trigger (26) is provided with a baffle at a certain distance. 9 . The automatic equipment for feeding material to a smelting furnace according to claim 1 , wherein the dust collection system ( 14 ) adopts a structure of sealing on three sides and air-sealing on one side. 10 .

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