CN218932205U

CN218932205U - Primary combustion auxiliary heating electric arc furnace steelmaking equipment

Info

Publication number: CN218932205U
Application number: CN202222515257.3U
Authority: CN
Inventors: 齐文博
Original assignee: Tianjin Jinboda Technology Co ltd
Current assignee: Tianjin Jinboda Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-28
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses primary combustion auxiliary heating electric arc furnace steelmaking equipment, which comprises an electric arc furnace body, wherein a top cover is arranged at the upper end of the electric arc furnace body, a plurality of through grooves are uniformly formed in the outer side surface of the top cover, electrode bodies are movably inserted and arranged in the through grooves, fixed blocks are fixedly arranged at the upper ends of the electrode bodies, connecting arms are fixedly arranged on one sides of the surfaces of the fixed blocks, a cooling mechanism is arranged on the outer side surface of the electrode bodies, the cooling mechanism comprises a fixed ring, grooves and spray heads, the fixed ring is fixedly arranged on the outer side surface of the electrode bodies at the upper end of the top cover, a plurality of grooves are uniformly formed in the outer side surface of the lower end of the fixed ring, the spray heads are fixedly arranged in the grooves, and a collecting mechanism is arranged on the outer side surface of the fixed ring. The utility model has good use effect, can conveniently collect the cooled steam through the collecting mechanism, and can recycle the cooled steam after being cooled, thereby being convenient for reuse and being environment-friendly.

Description

Primary combustion auxiliary heating electric arc furnace steelmaking equipment

Technical Field

The utility model relates to the technical field of electric arc furnaces, in particular to primary combustion auxiliary heating electric arc furnace steelmaking equipment.

Background

The electric arc furnace utilizes an electric furnace for smelting ores and metals at a high temperature generated by an electrode arc. The energy is concentrated when the gas discharges to form an arc, and the temperature of an arc area is more than 3000 ℃. Compared with other steelmaking furnaces, the electric arc furnace has the advantages of high process flexibility, capability of effectively removing sulfur, phosphorus and other impurities, easy control of furnace temperature, small occupied area of equipment and suitability for smelting high-quality alloy steel.

The electrode of the current arc furnace can bear higher temperature when in use, although the resistance of the graphite electrode is smaller when the temperature is higher, the higher temperature accelerates the loss of the electrode, and the water splashing on the surface of the electrode is often carried out for reducing the loss of the electrode so as to protect the electrode, but the water vapor of the current cooling means is not recovered after evaporation, so that the water vapor is wasted.

Disclosure of Invention

The utility model aims to provide one-time combustion auxiliary heating electric arc furnace steelmaking equipment so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a once burn auxiliary heating electric arc furnace steelmaking equipment, includes the electric arc furnace body, electric arc furnace body upper end is provided with the top cap, a plurality of logical grooves have evenly been seted up to top cap outside surface, it is provided with the electrode body to lead to the inside activity interlude of groove, electrode body upper end is fixed to be provided with the fixed block, fixed block surface one side is fixed to be provided with the linking arm, electrode body outside surface is provided with cooling mechanism, cooling mechanism includes solid fixed ring, recess, shower nozzle, electrode body outside surface is provided with solid fixed ring in the top cap upper end, a plurality of recesses have evenly been seted up to solid fixed ring lower extreme outside surface, the inside fixed shower nozzle that is provided with of recess, solid fixed ring outside surface is provided with collection mechanism.

Preferably, the collection mechanism comprises a fixed cover, a connecting pipe and radiating fin plates, the fixed cover is fixedly arranged on the outer side surface of the fixed ring, the connecting pipe is movably inserted on one side of the inner part of the fixed ring, a plurality of radiating fin plates are uniformly and fixedly arranged at the upper end of the connecting pipe, and steam is connected to the high-temperature environment such as a principle electric arc furnace body through the connecting pipe, so that the steam can be conveniently condensed.

Preferably, the fixed cover is made of elastic metal material, and can bear high temperature through the fixed cover made of elastic metal material, and meanwhile, when the electrode body is inserted into the electric arc furnace body through the through groove in a downward moving mode, the electrode body is clung to the outer side surface of the top cover, so that the tightness of the electrode body is improved.

Preferably, the heat dissipation fin plate is hollow, and can conveniently receive steam inside the connecting pipe through the hollow heat dissipation fin plate so as to increase the contact area between the steam and the air, thereby being convenient for quick cooling and heat dissipation and convenient for water to be convenient for subsequent recycling.

Preferably, the check valve is arranged at the lower end of the connecting pipe, steam inside the fixed cover can enter the connecting pipe when the pressure is high through the check valve, and water inside the connecting pipe cannot flow back into the fixed cover.

Preferably, the spray head is obliquely arranged inside the groove, and cooling water can be sprayed at the upper end of the electrode body through the obliquely arranged spray head, so that water flow can flow down along the surface of the electrode body, and the high-temperature position at the lower end of the electrode body can be cooled.

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

the water flow is sprayed out of the spray head and is sprayed on the upper end of the surface of the electrode body, so that the water flow can flow down along the surface of the electrode body, the high-temperature position at the lower end of the electrode body can be cooled, the water flow is gasified after flowing to the high-temperature position, then rises from the through groove to enter the inside of the fixed cover, more and more steam in the fixed cover can enter the connecting pipe and enter the hollow radiating fin plate from the connecting pipe to the high position, and then the heat is radiated through the hollow radiating fin plate, so that the steam can be condensed into water, the recycling can be facilitated, the cooling water can be recycled, and the use environmental protection effect of the device can be improved.

The steam recovery device is simple in structure when being integrally used, and can recover steam without a complex control mechanism, so that the steam recovery device can be popularized and used conveniently.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a primary combustion auxiliary heating electric arc furnace steelmaking apparatus of the present utility model;

FIG. 2 is a cross-sectional view of the whole structure of a primary combustion auxiliary heating electric arc furnace steelmaking apparatus according to the present utility model;

FIG. 3 is an enlarged view of the primary combustion auxiliary heating electric arc furnace steelmaking apparatus of the utility model at A in FIG. 2.

In the figure: 1. an arc furnace body; 2. a top cover; 3. a through groove; 4. an electrode body; 5. a fixed block; 6. a connecting arm; 7. a fixing ring; 8. a groove; 9. a spray head; 10. a fixed cover; 11. a connecting pipe; 12. and a heat radiating fin plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a once burn auxiliary heating electric arc furnace steelmaking equipment, includes electric arc furnace body 1, electric arc furnace body 1 upper end is provided with top cap 2, a plurality of logical groove 3 have evenly been seted up to top cap 2 outside surface, the inside activity of logical groove 3 interlude is provided with electrode body 4, electrode body 4 upper end is fixed to be provided with fixed block 5, fixed block 5 surface one side is fixed to be provided with linking arm 6, electrode body 4 outside surface is provided with cooling mechanism, cooling mechanism includes solid fixed ring 7, recess 8, shower nozzle 9, electrode body 4 outside surface is fixed to be provided with solid fixed ring 7 in top cap 2 upper end, a plurality of recesses 8 have evenly been seted up on solid fixed ring 7 lower extreme outside surface, the inside fixed shower nozzle 9 that is provided with of recess 8, gu fixed ring 7 outside surface is provided with collection mechanism.

The collecting mechanism comprises a fixed cover 10, a connecting pipe 11 and radiating fin plates 12, the fixed cover 10 is fixedly arranged on the outer side surface of the fixed ring 7, the connecting pipe 11 is movably inserted into one side of the inner part of the fixed ring 7, a plurality of radiating fin plates 12 are uniformly and fixedly arranged at the upper end of the connecting pipe 11, and steam is connected through the connecting pipe 11 and introduced into a high-temperature environment such as a principle electric arc furnace body 1, so that the steam can be conveniently condensed.

The fixed cover 10 is made of elastic metal material, and can bear high temperature through the fixed cover 10 made of elastic metal material, and meanwhile, when the electrode body 4 is inserted into the electric arc furnace body 1 through the through groove 3 in a downward moving mode, the electrode body is clung to the outer side surface of the top cover 2, so that the tightness of the electrode body is improved.

The heat dissipation fin plate 12 is hollow, and the hollow heat dissipation fin plate 12 can conveniently receive the steam in the connecting pipe 11 so as to increase the contact area between the steam and the air, thereby being convenient for rapid cooling and heat dissipation and convenient for the subsequent recycling of water.

The lower end of the connecting pipe 11 is provided with a one-way valve, steam inside the fixed cover 10 can enter the connecting pipe 11 when the pressure is high through the one-way valve, and water inside the connecting pipe 11 cannot flow back into the fixed cover 10.

The spray head 9 is obliquely arranged inside the groove 8, and cooling water can be sprayed at the upper end of the electrode body 4 through the obliquely arranged spray head 9, so that water flow can flow down along the surface of the electrode body 4, and the high-temperature position at the lower end of the electrode body 4 can be cooled.

Working principle: when the device is used, steel scraps in the electric arc furnace body 1 can be heated through the electrode body 4, when the electrode body 4 is used, water can be supplied to the spray head 9 through an external pipeline, then water flows are sprayed out of the spray head 9 and sprayed at the upper end of the surface of the electrode body 4, so that the water flows down along the surface of the electrode body 4, the high-temperature position at the lower end of the electrode body 4 can be cooled, the water flows to the high-temperature position and then gasified, the water rises from the through groove 3 to enter the fixed cover 10, then steam in the fixed cover 10 is more and more, and can enter the connecting pipe 11, and is guided from the connecting pipe 11 to enter the high position to enter the hollow radiating fin plates 12, and then the heat is radiated through the hollow radiating fin plates 12, so that the steam can be condensed into water, thereby being convenient for recycling, the cooling water can be recycled, the environment-friendly effect of the device can be improved, and the device can be used in a simple structure without complex control mechanism to recycle the steam when the whole device is used, so that the device is convenient to popularize and use.

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

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Primary combustion auxiliary heating electric arc furnace steelmaking equipment, including electric arc furnace body (1), its characterized in that: the electric arc furnace is characterized in that a top cover (2) is arranged at the upper end of the electric arc furnace body (1), a plurality of through grooves (3) are uniformly formed in the outer side surface of the top cover (2), electrode bodies (4) are movably inserted in the through grooves (3), fixed blocks (5) are fixedly arranged at the upper ends of the electrode bodies (4), connecting arms (6) are fixedly arranged on one sides of the surfaces of the fixed blocks (5), a cooling mechanism is arranged on the outer side surface of the electrode bodies (4), the cooling mechanism comprises a fixed ring (7), a groove (8) and a spray head (9), a fixed ring (7) is fixedly arranged on the outer side surface of the electrode bodies (4) at the upper end of the top cover (2), a plurality of grooves (8) are uniformly formed in the outer side surface of the fixed ring (7), and spray heads (9) are fixedly arranged in the inner sides of the grooves (8), and a collecting mechanism is arranged on the outer side surface of the fixed ring (7).

2. A primary combustion assisted heating electric arc furnace steelmaking apparatus as claimed in claim 1 wherein: the collecting mechanism comprises a fixed cover (10), connecting pipes (11) and radiating fin plates (12), the fixed cover (10) is fixedly arranged on the outer side surface of the fixed ring (7), the connecting pipes (11) are movably inserted into one side of the inner portion of the fixed ring (7), and a plurality of radiating fin plates (12) are uniformly and fixedly arranged at the upper ends of the connecting pipes (11).

3. A primary combustion assisted heating electric arc furnace steelmaking apparatus as claimed in claim 2 wherein: the fixed cover (10) is made of elastic metal material.

4. A primary combustion assisted heating electric arc furnace steelmaking apparatus as claimed in claim 2 wherein: the heat dissipation fin plate (12) is hollow inside.

5. A primary combustion assisted heating electric arc furnace steelmaking apparatus as claimed in claim 2 wherein: the lower end of the connecting pipe (11) is provided with a one-way valve.

6. A primary combustion assisted heating electric arc furnace steelmaking apparatus as claimed in claim 1 wherein: the spray head (9) is obliquely arranged in the groove (8).