CN211451802U

CN211451802U - Submerged arc furnace with high thermal efficiency

Info

Publication number: CN211451802U
Application number: CN201922271991.8U
Authority: CN
Inventors: 邹志东
Original assignee: Ruijin Chemical Machine Co ltd Jiangxi
Current assignee: Ruijin Chemical Machine Co ltd Jiangxi
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-08
Anticipated expiration: 2029-12-18

Abstract

The application discloses hot stove in ore deposit that thermal efficiency is high, the on-line screen storage device comprises a base, the pump body and oxygen jar are installed to the base upper end, one side of base is equipped with the support, install the treatment tank on the support, be equipped with the treatment chamber in the treatment tank, be connected with the oxygen transmission pipe between treatment tank and the pump body, the treatment tank upper end is equipped with the inlet pipe with the treatment chamber intercommunication, be equipped with the feed cavity way with the treatment chamber intercommunication in the inlet pipe, one side of treatment tank is equipped with the sealed apron in sealed treatment chamber, install the power on the support, the treatment tank is equipped with the safety cover with this to interior from outside, the heat-conducting layer, heat-conducting layer and heat conduction wearing layer, be equipped with the heating. The utility model discloses can effectively improve the thermal efficiency of hot stove in ore deposit.

Description

Submerged arc furnace with high thermal efficiency

Technical Field

The utility model relates to a technical field of hot stove in ore deposit especially relates to a hot stove in ore deposit that the thermal efficiency is high.

Background

The ore furnace is an industrial electric furnace with huge power consumption. The device mainly comprises a furnace shell, a furnace cover, a furnace lining, a short net, a water cooling system, a smoke exhaust system, a dust removal system, an electrode shell, an electrode pressing and lifting system, a feeding and discharging system, a holder, a burner, a hydraulic system, a submerged arc furnace transformer, various electrical equipment and the like. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. The method is mainly used for producing ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and other ferroalloys, and is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like. It features use of carbon or magnesium refractory as furnace lining and self-culturing electrode. The electrode is inserted into the furnace charge to carry out submerged arc operation, the energy and current of the electric arc are utilized to pass through the furnace charge, the energy is generated due to the resistance of the furnace charge to smelt metal, the charging is carried out sequentially, the iron slag is discharged intermittently, and the continuous operation is carried out.

When the submerged arc furnace in the prior art is used, the efficiency of material heating treatment is low due to low thermal efficiency, and the requirement in practical use cannot be met, so that the submerged arc furnace with high thermal efficiency needs to be developed urgently to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the not enough of prior art is overcome and a hot stove in ore deposit that the thermal efficiency is high is provided.

Solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a hot stove in ore deposit that thermal efficiency is high, the on-line screen storage device comprises a base, the pump body and oxygen jar are installed to the base upper end, one side of base is equipped with the support, install on the support and handle the jar, be equipped with the treatment chamber in the treatment chamber, be connected with the oxygen transmission pipe between treatment tank and the pump body, it is equipped with the inlet pipe with the treatment chamber intercommunication to handle jar upper end, be equipped with the feed cavity way with the treatment chamber intercommunication in the inlet pipe, one side of handling jar is equipped with the sealed apron in sealed treatment chamber, install the power on the support, the treatment tank is equipped with the safety cover with this to interior from outside, the heat preservation, heat-conducting layer and heat conduction wearing layer.

The embodiment of the utility model provides an in, the mounting disc is installed at the treatment chamber to the oxygen transmission pipe, installs a plurality ofly on the mounting disc with the gas outlet of oxygen transmission pipe intercommunication.

In the embodiment of the utility model provides an in, the mounting disc is located the center of treatment chamber.

The embodiment of the utility model provides an in, heat conduction wearing layer inner wall is equipped with a plurality of branch material archs.

The embodiment of the utility model provides an in, the thickness of heat preservation is greater than the thickness of heat-conducting layer.

In the embodiment of the utility model provides an in, the heating resistor silk comprises the crooked resistance wire of multistage.

The utility model has the advantages that: during the use, the material that will carry out the processing is imported to the treatment chamber through the feeding chamber way, cover sealed apron, then import to the treatment chamber through the oxygen in the pump body with the oxygen jar in, then circular telegram to the heating resistance wire by the conducting rod, generate heat after the heating resistance wire circular telegram, the heating resistance wire after generating heat realizes heating the heat-conducting layer, the heat-conducting layer after the heating realizes heating the heat conduction wearing layer, the heat conduction wearing layer heats the material with heat transfer to the treatment chamber in the realization, this submerged arc furnace has excellent thermal efficiency.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a high thermal efficiency submerged arc furnace according to the present invention;

FIG. 2 is a cross-sectional view of a treatment tank in the high thermal efficiency submerged arc furnace of the present invention;

fig. 3 is a partially enlarged schematic view at a in fig. 2.

The figures are numbered:

1. a base; 2. an oxygen tank; 3. a pump body; 4. an oxygen delivery pipe; 5. a treatment tank; 6. a feed pipe; 7. a support; 8. a conductive rod; 9. a power source; 10. a treatment chamber; 11. sealing the cover plate; 12. a feeding cavity channel; 13. mounting a disc; 14. an air outlet; 15. a protective cover; 16. a heat-insulating layer; 17. a heat conductive layer; 18. heating resistance wires; 19. a heat-conducting wear-resistant layer; 20. the material distributing bulge.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

As shown in FIGS. 1-3, a submerged arc furnace with high thermal efficiency provided by an embodiment of the present invention comprises a base 1, a pump body 3 and an oxygen tank 2 are installed on the upper end of the base 1, a support 7 is arranged on one side of the base 1, a treatment tank 5 is installed on the support 7, a treatment chamber 10 is arranged in the treatment tank 5, an oxygen transmission pipe 4 is connected between the treatment tank 5 and the pump body 3, a feeding pipe 6 communicated with the treatment chamber 10 is arranged on the upper end of the treatment tank 5, a feeding channel 12 communicated with the treatment chamber 10 is arranged in the feeding pipe 6, a sealing cover plate 11 for sealing the treatment chamber 10 is arranged on one side of the treatment tank 5, a power supply 9 is installed on the support 7, and a protective cover 15 and a heat insulation layer 16 are arranged from the outside, the heat conduction layer 17 and the heat conduction wearing layer 19 are provided, a heating resistance wire 18 is arranged in the heat conduction layer 17, and the upper end of the power supply 9 is provided with the heating resistance wire 18 which is electrically connected with the heating resistance wire 18. During the use, the material that will handle is imported to the treatment chamber 10 in through feeding chamber way 12, cover sealed apron 11, then import to treatment tank 5 through the oxygen of pump body 3 in with oxygen jar 2 in, then by conducting rod 8 to heating resistor 18 circular telegram, heating resistor 18 circular telegram back generates heat, heating resistor 18 after generating heat realizes heating heat-conducting layer 17, heat-conducting layer 17 after the heating realizes heating heat conduction wearing layer 19, heat conduction wearing layer 19 realizes heating the material to the treatment chamber 10 in with heat transfer, this hot stove in ore deposit has excellent thermal efficiency.

In this embodiment, the oxygen delivery pipe 4 is provided with a mounting plate 13 in the processing chamber 10, and the mounting plate 13 is provided with a plurality of gas outlets 14 communicated with the oxygen delivery pipe 4. Through installing mounting disc 13 in treatment chamber 10 at oxygen transmission pipe 4, establish a plurality of gas outlets 14 with oxygen transmission pipe 4 intercommunication on mounting disc 13, so can improve the homogeneity that oxygen distributes in treatment chamber 10, so improved the thermal efficiency of hot stove in ore deposit.

In this embodiment, the mounting plate 13 is located at the center of the process chamber 10. By locating the mounting plate 13 in the centre of the chamber 10, the uniformity of the distribution of oxygen within the chamber 10 is improved, thus improving the thermal efficiency of the furnace.

In this embodiment, the inner wall of the heat-conducting wear-resistant layer 19 is provided with a plurality of distributing protrusions 20. The inner wall of the heat-conducting wear-resistant layer 19 is provided with a plurality of distributing bulges 20, so that the distribution uniformity of materials in the processing cavity 10 can be improved, and the heat efficiency of the submerged arc furnace can be effectively improved.

In this embodiment, the insulating layer 16 is thicker than the conductive layer 17. The thickness of the heat-insulating layer 16 is larger than that of the heat-conducting layer 17, so that the heat-insulating effect of the submerged arc furnace is improved, and the heat efficiency of the submerged arc furnace is improved.

In the present embodiment, the heating resistance wire 18 is formed of a plurality of lengths of bent resistance wire. The heating resistance wire 18 is formed by a plurality of sections of bent resistance wires, so that the instant heating efficiency of the heating resistance wire 18 is improved, and the thermal efficiency of the submerged arc furnace is improved.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The submerged arc furnace with high thermal efficiency is characterized by comprising a base (1), a pump body (3) and an oxygen tank (2) are installed at the upper end of the base (1), a support (7) is arranged on one side of the base (1), a treatment tank (5) is installed on the support (7), a treatment cavity (10) is arranged in the treatment tank (5), an oxygen transmission pipe (4) is connected between the treatment tank (5) and the pump body (3), a feeding pipe (6) communicated with the treatment cavity (10) is arranged at the upper end of the treatment tank (5), a feeding cavity channel (12) communicated with the treatment cavity (10) is arranged in the feeding pipe (6), a sealing cover plate (11) for sealing the treatment cavity (10) is arranged on one side of the treatment tank (5), a power supply (9) is installed on the support (7), and a protective cover (15), a thermal insulation layer (16), a heat conduction layer (17) and a wear-resistant layer (19) are, a heating resistance wire (18) is arranged in the heat conduction layer (17), and the upper end of the power supply (9) is provided with the heating resistance wire (18) which is electrically connected with the heating resistance wire (18).

2. The submerged arc furnace with high thermal efficiency according to claim 1, characterized in that the oxygen transfer pipe (4) is provided with a mounting plate (13) in the treatment chamber (10), and the mounting plate (13) is provided with a plurality of gas outlets (14) communicated with the oxygen transfer pipe (4).

3. The thermally efficient submerged arc furnace according to claim 2, characterized in that the mounting plate (13) is located in the center of the process chamber (10).

4. The submerged arc furnace with high thermal efficiency according to claim 1, characterized in that the inner wall of the heat-conducting wear-resistant layer (19) is provided with a plurality of distributing protrusions (20).

5. The highly thermally efficient submerged arc furnace of claim 1 wherein the thickness of the insulating layer (16) is greater than the thickness of the conductive layer (17).

6. The ore furnace according to claim 1, characterized in that the heating resistance wire (18) is formed by a plurality of segments of bent resistance wire.