CN201600029U - A water cooling module for electric furnace steelmaking furnace wall - Google Patents

Abstract

The utility model relates to a water cooling module for an electric furnace steelmaking furnace wall. The utility model belongs to the field of electric furnace steelmaking, and relates to a water-cooled module for an electric furnace steelmaking furnace wall, which is particularly suitable for arranging oxygen lances, oxygen burning nozzles, carbon-oxygen lances and carbon lances. It is characterized in that the water cooling module is composed of oxygen lance or burner injection hole, carbon injection hole, water cooling channel, water inlet hole, water outlet hole, slag hanging groove, slag hanging rib, and the water cooling module uses electrolytic copper or other copper materials above T2 , using casting or welding, the size is: length × width × thickness = (300-1000) × (200-800) × (100-500) mm, the slag hanging rib is a strip-shaped or cylindrical convex with a height of 5-20 mm From 5 to 30 pieces. The utility model has the advantages of convenient installation and use, good cooling effect, effectively reducing the operating temperature of the oxygen lance, oxygen-burning nozzle, carbon-oxygen lance, and carbon-oxygen lance installed on the water cooling block, and improving the temperature of the oxygen lance, oxygen-burning nozzle, carbon-oxygen The use efficiency of guns and carbon guns.

Description

A water cooling module for electric furnace steelmaking furnace wall

technical field

The utility model belongs to the field of electric furnace steelmaking, and relates to a water-cooled module for the steelmaking furnace wall of an electric furnace, which is particularly suitable for arranging oxygen lances, oxygen-burning nozzles, carbon-oxygen lances and carbon lances.

Background technique

Electric furnace steelmaking generally adopts directly opening holes on the water-cooled furnace wall to install oxygen lances or burners, or welding steel plates into water-cooled blocks to fix oxygen lances or burners. The problems that this water-cooled block is applied on the electric furnace wall are: 1. The thermal conductivity of the steel water-cooled block around the oxygen lance is not high, and it is easy to burn and leak under high temperature, which affects production. 2. The steel water cooling block is limited by the thermal conductivity, and the geometric size of the water cooling block is limited to a certain extent, especially the thickness of the water cooling block is insufficient, resulting in a shallow insertion depth of the oxygen lance (or burner) into the furnace, and the oxygen lance (or burner) The melting scrap and decarburization efficiency is low.

Utility model content

The purpose of the utility model is to solve the problems of low heat conduction strength of the water-cooling block and insufficient thickness of the water-cooling block, resulting in shallow depth of oxygen lance or burner inserted into the furnace, and low efficiency of oxygen lance or burner melting scrap steel and decarburization.

A water-cooled module for the steelmaking furnace wall of an electric furnace, characterized in that the water-cooled module is composed of an oxygen lance or a burner injection hole, a carbon injection hole, a water cooling channel, a water inlet hole, a water outlet hole, a slag hanging groove, and a slag hanging bar. The module uses electrolytic copper or other copper materials above T2, and adopts casting or welding methods. Bar-shaped or cylindrical protrusions with a height of 5-20mrn, the number is 5-30.

Installation method: Inlaid installation method is adopted, that is, an opening is opened on the water-cooled furnace wall of the upper furnace shell of the electric furnace, and the water-cooled module is embedded, and the nodes are connected by welding or pins: the water supply and return pipes of the water-cooled plate are directly connected with the corresponding water-cooled furnace wall to form a closed Waterway: The internal waterway is in the form of a spiral to reduce water flow resistance and pressure loss and achieve a uniform cooling effect.

The installation position is about 100-700mm above the slag line; the water cooling module is connected with the oxygen lance, oxygen nozzle, carbon oxygen lance, and carbon lance by flange connection or bolt connection.

Cooling method: forced water cooling. The cooling water enters through the water inlet hole 3 and flows out from the water outlet hole through the spiral water cooling channel 3 .

The utility model has the advantages of convenient installation and use, good cooling effect, effectively reducing the operating temperature of the oxygen lance, oxygen-burning nozzle, carbon-oxygen lance, and carbon-oxygen lance installed on the water cooling block, and improving the temperature of the oxygen lance, oxygen-burning nozzle, and carbon-oxygen nozzle. The use efficiency of guns and carbon guns.

Description of drawings

Figure 1 is a front view of the water cooling module;

Figure 2 is a rear view of the water cooling module;

Figure 3 is a side view of the water cooling module.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described. The following examples are only used to illustrate the technical solution of the utility model more clearly, but not to limit the protection scope of the utility model.

As shown in Fig. 1, Fig. 2, Fig. 3, the technical scheme of the concrete implementation of the utility model is:

Example 1. A water-cooled module for the steelmaking furnace wall of an electric furnace. The water-cooled module consists of an oxygen lance or burner injection hole 1, a carbon injection hole 2, a water cooling channel 3, a water inlet hole 4, a water outlet hole 5, a slag hanging groove 6, a hanging The water-cooling module is composed of 7 slag bars. The water-cooling module is made of T2 electrolytic copper. The casting method is adopted. The size is 800×400×300mm in length×width×thickness.

Installation method: mosaic installation method is adopted, that is, an opening is made on the water-cooled furnace wall of the upper furnace shell, the water-cooled module is embedded, and the nodes are welded: the water supply and return pipes of the water-cooled plate are directly connected with the corresponding water-cooled furnace wall to form a closed water circuit: internal The waterway is in the form of a spiral to reduce water flow resistance and pressure loss and achieve a uniform cooling effect.

The installation position is about 300mm above the slag line; the water cooling module is connected with the oxygen lance, oxygen nozzle, carbon oxygen lance, and carbon lance by means of flange connection.

Example 2. A water-cooled module for the steelmaking furnace wall of an electric furnace. The water-cooled module consists of an oxygen lance or burner injection hole 1, a carbon injection hole 2, a water cooling channel 3, a water inlet hole 4, a water outlet hole 5, a slag hanging groove 6, a hanging 7 slag bars, the water-cooling module uses T2 grade copper plate, adopts welding method, the size length × width × thickness is 600×500×250mm, the slag hanger 7 is a strip-shaped protrusion with a height of 7mm, and the number is 20.

Installation method: mosaic installation method is adopted, that is, an opening is opened on the upper part of the electric furnace, and the water-cooling module is embedded, and the nodes are welded: the water supply and return pipes of the water-cooling plate are directly connected with the corresponding water-cooling furnace wall to form a closed water circuit; the interior The waterway is in the form of a spiral to reduce water flow resistance and pressure loss and achieve a uniform cooling effect.

The installation position is about 400mm above the slag line; the water cooling module is connected with the oxygen lance, oxygen nozzle, carbon oxygen lance, and carbon lance by means of flange connection.

The above is only the preferred embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And retouching should also be regarded as the protection scope of the present utility model.

Claims (1)

1. cold module of electric furnace steel making furnace wall water, it is characterized in that, the water-cooled module is made up of oxygen rifle or burner injection hole (1), carbon jetting hole (2), water-cooling channel (3), inlet opening (4), apopore (5), slag hanging groove (6), slag hanging bar (7), the water-cooled module is used the above trade mark cathode copper of T2, adopt casting or welding manner, size is: length * wide * thick=(300～1000) * (200～800) * (100～500) mm, slag hanging bar (7) is bar shaped or the cylindrical protrusions of high 5～20mm, and quantity is 5～30.

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