CN113294998A - Energy-saving method for artificial molten pool - Google Patents

Abstract

The invention discloses an energy-saving method for an artificial molten pool, belongs to the technical field of submerged arc furnaces, and aims to provide the energy-saving method for the artificial molten pool, which solves the problems of low preheating speed and serious energy consumption of the conventional submerged arc furnace. Which comprises the following steps: (1) adding wood among three electrodes of an artificial molten pool, wherein the wood is stacked to the height of 1 m; (2) adding ore raw materials to the wood, and covering the ore raw materials on the wood; (3) three electrodes with artificial molten bath circular arc, three electrodes production electric arcs, and arc light produces the high temperature, and timber converts the charcoal under high temperature anoxybiotic environment, possesses electric conductive property, makes three electrodes switch on fast each other, promotes the efficiency that generates heat of electrode, makes artificial molten bath heat up to the melting reaction temperature of ore raw materials rapidly, the power consumption that significantly reduces. The invention is suitable for the energy-saving method of the artificial molten pool.

Description

Energy-saving method for artificial molten pool

Technical Field

The invention belongs to the technical field of submerged arc furnaces, and particularly relates to an energy-saving method of an artificial molten pool.

Background

The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. Mainly produces ferroalloys such as ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and the like, and is widely applied to the metallurgical industry. In the production process, the submerged arc furnace needs electric arc generated by electrodes to heat up and preheat, the reaction temperature for smelting ore is up to more than 2000 ℃, so that the preheating time of the submerged arc furnace is very long, and meanwhile, in the preheating process, very large electric energy consumption can be generated, so that the production efficiency of enterprises is reduced, and meanwhile, the production cost of the enterprises is increased. With the increasing importance of the country on energy conservation and emission reduction, how to increase the preheating speed of the submerged arc furnace and reduce the preheating energy consumption of the submerged arc furnace is a development key of production enterprises.

Disclosure of Invention

The invention aims to: provides an energy-saving method of an artificial molten pool, and solves the problems of low preheating speed and serious energy consumption of the existing submerged arc furnace.

The technical scheme adopted by the invention is as follows:

an energy-saving method for an artificial molten pool, comprising the steps of:

(1) adding wood among three electrodes of an artificial molten pool, wherein the wood is stacked to the height of 1 m;

(2) adding ore raw materials to the wood, and covering the ore raw materials on the wood;

(3) three electrodes with artificial molten bath circular arc, three electrodes production electric arcs, and arc light produces the high temperature, and timber converts the charcoal under high temperature anoxybiotic environment, possesses electric conductive property, makes three electrodes switch on fast each other, promotes the efficiency that generates heat of electrode, makes artificial molten bath heat up to the melting reaction temperature of ore raw materials rapidly, the power consumption that significantly reduces.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, wood is added among the three electrodes of the artificial molten pool, the three electrodes generate high temperature after being electrified, the wood is converted into charcoal in a high-temperature anaerobic environment, and the charcoal has conductivity, so that the three electrodes are mutually and rapidly conducted, the heating efficiency of the electrodes is greatly improved, the temperature of the artificial molten pool can be rapidly increased to the melting reaction temperature of ore raw materials, the electric energy consumption is greatly saved, and the problems of low preheating speed and serious energy consumption of the existing submerged arc furnace are solved.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An energy-saving method for an artificial molten pool, comprising the steps of:

(1) adding wood among three electrodes of an artificial molten pool, wherein the wood is stacked to the height of 1 m;

(2) adding ore raw materials to the wood, and covering the ore raw materials on the wood;

(3) three electrodes with artificial molten bath circular arc, three electrodes production electric arcs, and arc light produces the high temperature, and timber converts the charcoal under high temperature anoxybiotic environment, possesses electric conductive property, makes three electrodes switch on fast each other, promotes the efficiency that generates heat of electrode, makes artificial molten bath heat up to the melting reaction temperature of ore raw materials rapidly, the power consumption that significantly reduces.

In the implementation process of the invention, wood is added among the three electrodes of the artificial molten pool, the three electrodes generate high temperature after being electrified, the wood is converted into charcoal in a high-temperature anaerobic environment, the charcoal has conductivity, and then the three electrodes are mutually and rapidly conducted, so that the heating efficiency of the electrodes is greatly improved, the temperature of the artificial molten pool can be rapidly raised to the melting reaction temperature of ore raw materials, the electric energy consumption is greatly saved, and the problems of low preheating speed and serious energy consumption of the existing submerged arc furnace are solved.

Example 1

An energy-saving method for an artificial molten pool, comprising the steps of:

(1) adding wood among three electrodes of an artificial molten pool, wherein the wood is stacked to the height of 1 m;

(2) adding ore raw materials to the wood, and covering the ore raw materials on the wood;

(3) three electrodes with artificial molten bath circular arc, three electrodes production electric arcs, and arc light produces the high temperature, and timber converts the charcoal under high temperature anoxybiotic environment, possesses electric conductive property, makes three electrodes switch on fast each other, promotes the efficiency that generates heat of electrode, makes artificial molten bath heat up to the melting reaction temperature of ore raw materials rapidly, the power consumption that significantly reduces.

Through adding timber between three electrodes at artificial molten bath, three electrodes produce high temperature after the circular telegram, and timber converts the charcoal under high temperature anoxybiotic environment, because the charcoal possesses electric conductive property, makes three electrodes switch on each other fast then, makes the efficiency that generates heat of electrode promote greatly, and the temperature of artificial molten bath can promote the melting reaction temperature of ore raw materials rapidly, has saved power consumption greatly, has solved the problem that current submerged arc furnace preheating rate is slow, the power consumption is serious.

The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in each preferred embodiment can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the examples and the embodiments are only for the purpose of clearly illustrating the verification process of the invention and not for the purpose of limiting the patent protection scope of the present invention, which is subject to the claims and all the equivalent structural changes made by the content of the description of the present invention shall be included in the protection scope of the present invention.

Claims (1)

1. An energy-saving method for an artificial molten pool is characterized by comprising the following steps:

(1) adding wood among three electrodes of an artificial molten pool, wherein the wood is stacked to the height of 1 m;

(2) adding ore raw materials to the wood, and covering the ore raw materials on the wood;

(3) three electrodes with artificial molten bath circular arc, three electrodes production electric arcs, and arc light produces the high temperature, and timber converts the charcoal under high temperature anoxybiotic environment, possesses electric conductive property, makes three electrodes switch on fast each other, promotes the efficiency that generates heat of electrode, makes artificial molten bath heat up to the melting reaction temperature of ore raw materials rapidly, the power consumption that significantly reduces.