CN217433043U - Slag-iron separating device - Google Patents

Abstract

The application discloses sediment iron separator includes: the separating device is provided with an iron water gap, the iron water gap is connected with an iron water tank, a slag outlet is formed in the side wall of the iron water tank, a waste residue baffle is arranged behind the slag outlet, the iron water tank is surrounded by a fire-resistant wall, insulating bricks are arranged below the fire-resistant wall, and a steel shell is arranged below the insulating bricks. The waste residue baffle is positioned at the position 10cm behind the slag outlet and is fixedly connected with the upper wall of the molten iron tank, the waste residue baffle is made of refractory casting materials, the refractory wall materials are refractory casting materials, the molten iron outlet is connected with a discharge hole of a blast furnace, the slag outlet is connected with a slag receiving pool, the refractory casting materials are laid on the surface of the molten iron tank, and the insulating brick is a high-temperature-resistant brick. The molten iron is conveyed into the molten iron tank, the molten iron in the molten iron tank is separated from the carried waste residues on the surface of the molten iron, the structure is simple, the slag-iron separation efficiency is high, and the production cost is effectively reduced.

Description

Slag-iron separating device

Technical Field

The application relates to the field of material and slag separation, in particular to slag and iron separation in an iron making process.

Background

The existing blast furnace molten iron and slag iron separation technology mostly adopts slag removing equipment, a slag removing machine is stretched into a ladle to remove slag for multiple times, the production process is influenced, the slag iron cannot be completely separated, iron exists in the slag, slag exists in the iron, the iron loss is increased, the yield and the quality of the molten iron are influenced, and a plurality of smelting difficulties are brought to the next steelmaking process; but also increases the cost of deslagging and has high production cost. Aiming at the problem, the slag-iron separation device is designed at present, molten iron is conveyed into an iron bath, the molten iron in the iron bath is separated from waste slag carried on the surface of the molten iron, the structure is simple, the slag-iron separation efficiency is high, and the production cost is effectively reduced.

SUMMERY OF THE UTILITY MODEL

The application provides a sediment iron separator sends into the molten iron in the molten iron groove, separates the molten iron in the molten iron groove and the waste residue that is located the molten iron surface that carries, simple structure, and sediment iron separation efficiency is high, has effectively reduced manufacturing cost.

The application provides a sediment iron separator includes: the separating device is provided with an iron water gap, the iron water gap is connected with an iron water tank, a slag outlet is formed in the side wall of the iron water tank, a waste residue baffle is arranged behind the slag outlet, the iron water tank is surrounded by a fire-resistant wall, insulating bricks are arranged below the fire-resistant wall, and a steel shell is arranged below the insulating bricks.

Furthermore, the waste residue baffle is positioned at the position of 10cm behind the slag outlet and is fixedly connected with the upper wall of the molten iron tank, and the material is a refractory casting material.

Furthermore, the refractory wall material is a refractory casting material.

Further, the molten iron port is connected with a blast furnace discharge port.

Further, the slag outlet is connected with a slag receiving pool.

Furthermore, the surface of the iron runner is paved with refractory casting materials.

Furthermore, the insulating brick is a high-temperature-resistant brick.

According to the above technical solution, the present application provides a slag-iron separation device, including: a separating device, wherein the separating device is provided with a molten iron inlet, the molten iron inlet is used for inputting molten iron in the whole device and is an inlet of the molten iron, the molten iron inlet is connected with a molten iron tank, the molten iron tank stores and processes the molten iron input by the molten iron inlet, the side wall of the molten iron tank is provided with a slag outlet, the top end of the side wall of the molten iron tank is provided with an arc-shaped slag outlet for outputting waste slag floating on the surface of the molten iron to separate the slag from the iron, a waste slag baffle is arranged behind the slag outlet and used for blocking the waste slag floating on the liquid level of the molten iron so that the waste slag can be discharged along the slag outlet, the molten iron tank is surrounded by a refractory wall, the whole molten iron tank is formed by a whole refractory wall, the refractory wall is used as the inner wall of the molten iron tank and needs to store high-temperature molten iron, a heat-preserving brick is arranged below the refractory wall and used for preserving the heat of the molten iron in the molten iron tank, a steel shell is arranged below the heat-preserving brick, the steel shell is the outermost layer structure of the whole molten iron tank, the whole device is supported, the outer layer of the whole device is the steel shell, the waste residue baffle is arranged at the position 10cm behind the slag hole and is used for reserving the buffer distance of slag discharge, waste residue floating on the surface of molten iron can not be gathered on the surface of the waste residue baffle and can not be discharged along the slag hole, the waste residue baffle is fixed on the upper wall of the molten iron tank and blocks the waste residue, the waste residue baffle is soaked in high-temperature molten iron, so that fire-resistant casting materials are needed to be melted, the fire-resistant wall materials can not be melted by the fire-resistant casting materials, the molten iron input from the molten iron hole is high-temperature molten iron after being melted in a blast furnace, the slag collecting pool collects the waste output from the slag hole, the environmental pollution is reduced, a layer of the fire-resistant casting materials needs to be laid on the surface of the iron runner, otherwise, the service life is too short, the high-temperature molten iron can melt the iron runner, the insulating bricks are located between the steel shell and the refractory wall, the insulating effect on the molten iron is achieved, the temperature of the molten iron conveyed out of the blast furnace is extremely high, the high-temperature resistant bricks are required to be not melted, and the insulating effect cannot be achieved.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.

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

Illustration of the drawings:

wherein, the method comprises the following steps of 1-iron water gap, 2-slag hole, 3-steel shell, 4-insulating brick, 5-refractory wall, 6-waste residue baffle, 7-iron runner and 8-iron water tank.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

See fig. 1 for a solution known from the above.

Example 1:

a slag-iron separation apparatus comprising: the separating device is provided with a molten iron inlet 1, the molten iron inlet 1 is used for inputting molten iron in the whole device and is an inlet of molten iron, the molten iron inlet 1 is connected with a molten iron tank 8, the molten iron tank 8 stores and processes the molten iron input by the molten iron inlet 1, the side wall of the molten iron tank 8 is provided with a slag outlet 2, the top end of the side wall of the molten iron tank 8 is provided with an arc-shaped slag outlet 2 for outputting waste slag floating on the surface of the molten iron and separating the slag from the iron, a waste slag baffle 6 is arranged behind the slag outlet 2, the waste slag baffle 6 blocks the waste slag floating on the liquid level of the molten iron so that the waste slag can be discharged along the slag outlet 2, the molten iron tank 8 is enclosed by a refractory wall 5, the whole molten iron tank 8 is formed by a whole refractory wall 5, the refractory wall 5 is used as the inner wall of the molten iron tank 8 and needs to store high-temperature molten iron, a heat-preserving brick 4 is arranged below the refractory wall 5 and is used for preserving the molten iron in the molten iron tank 8, reduce thermal loss, insulating brick 4 below is provided with steel shell 3, and steel shell 3 is whole indisputable water tank 8's outermost layer structure, props up whole device, and whole device skin is steel shell 3.

Preferably, the slag baffle 6 is positioned 10cm behind the slag outlet and is fixedly connected with the upper wall of the molten iron tank 8, and the material is refractory casting material.

The waste residue baffle 6 is arranged at the 10cm position behind the slag outlet 2, so that the slag is discharged at a buffer distance, the floating waste residue on the surface of molten iron can not be gathered on the surface of the waste residue baffle 6 and can not be discharged along the slag outlet 2, the waste residue baffle 6 is fixed on the upper wall of the molten iron tank 8, the waste residue is blocked, the waste residue baffle 6 is also soaked in the high-temperature molten iron, and therefore the fire-resistant casting material is needed, otherwise the waste residue baffle can be melted.

Preferably, the refractory wall 5 material is a refractory castable.

The refractory wall 5 material needs refractory casting material to be prevented from melting at high temperature.

Preferably, the molten iron nozzle 1 is connected with a blast furnace discharge hole.

The molten iron input into the molten iron port 1 is high-temperature molten iron after the smelting is completed in a blast furnace.

Preferably, the slag outlet 2 is connected with a slag collecting pool.

The slag collecting pool collects the waste slag output by the slag outlet 2, so that the waste of raw materials is avoided and the environmental pollution is reduced.

Preferably, the surface of the iron runner 7 is paved with fire-resistant casting materials.

A layer of refractory casting material needs to be paved on the surface of the iron runner 7, otherwise, the service life is too short, and the iron runner can be melted by high-temperature molten iron.

Preferably, the insulating brick 4 is a high temperature resistant brick.

Insulating brick 4 is located between steel shell 3 and fire-resistant wall 5, plays and carries out heat retaining effect to the molten iron, and the molten iron temperature that transports from the blast furnace is extremely high, so need high temperature resistant brick, will not be melted, can not play the heat preservation effect.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (6)

1. A slag-iron separating device is characterized by comprising: separator, separator is provided with indisputable mouth of a river (1), indisputable mouth of a river (1) is connected with molten iron groove (8), slag notch (2) have been seted up to molten iron groove (8) lateral wall, slag notch (2) rear is provided with waste residue baffle (6), molten iron groove (8) are enclosed by refractory wall (5), refractory wall (5) below is provided with insulating brick (4), insulating brick (4) below is provided with steel shell (3).

2. The slag-iron separation device according to claim 1, characterized in that the slag baffle (6) is located 10cm behind the slag outlet (2) and is fixedly connected with the upper wall of the molten iron bath (8), and the material is refractory casting material.

3. The slag-iron separation device according to claim 1, characterized in that the refractory wall (5) is made of refractory casting material.

4. The slag-iron separation device according to claim 1, characterized in that the iron nozzle (1) is connected with a blast furnace discharge port.

5. The slag-iron separation device according to claim 1, characterized in that a slag receiving tank is connected to the slag outlet (2).

6. The slag-iron separation device according to claim 1, characterized in that the insulating bricks (4) are refractory bricks.

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