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Water-cooled furnace bottom electrode and masonry method

A water-cooled furnace bottom and electrode technology, applied in the field of smelting, can solve problems such as damage to furnace bottom refractories, environmental pollution, burn-through damage, etc., and achieve the effect of good protection effect and high overall safety.

Pending Publication Date: 2022-02-08
无锡市辉丰机电设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the service life of the refractory material at the bottom of the electric furnace is inconsistent among factories. The flow and erosion of high-temperature metal liquid at the bottom of the furnace will damage the refractory material at the bottom of the furnace. Improper masonry and operation will lead to burn-through damage within a few months, and severe cases will cause serious environmental damage. Pollution and Personal Injuries

Method used

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  • Water-cooled furnace bottom electrode and masonry method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0020] A water-cooled furnace bottom electrode, comprising a furnace base made of silicon-magnesium refractory bricks 1, a furnace body 2 is arranged on the furnace base, the upper end of the furnace base is in the shape of a downwardly concave arc, and the furnace base A silicon-magnesium-type high-temperature-resistant protective layer 3 is laid on the top, and an electrode 4 is provided in the furnace body 2. A discharge port 5 is provided at the lower end of one side of the furnace body 2, and a discharge port 5 is provided at the lower end of the other side of the furnace body 2. A slag outlet 6, and a cooling pipe layer 7 is provided on the furnace base.

[0021] The height of the discharge port 5 is lower than that of the slag discharge port 6 .

[0022] The cooling pipes in the cooling pipe layer 7 are copper pipes.

[0023] A water-cooled furnace bottom electrode and a masonry method, comprising the following steps:

[0024] Step 1: According to the size of the furn...

Embodiment 2

[0031] A water-cooled furnace bottom electrode, comprising a furnace base made of silicon-magnesium refractory bricks 1, a furnace body 2 is arranged on the furnace base, the upper end of the furnace base is in the shape of a downwardly concave arc, and the furnace base A silicon-magnesium-type high-temperature-resistant protective layer 3 is laid on the top, and an electrode 4 is provided in the furnace body 2. A discharge port 5 is provided at the lower end of one side of the furnace body 2, and a discharge port 5 is provided at the lower end of the other side of the furnace body 2. A slag outlet 6, and a cooling pipe layer 7 is provided on the furnace base.

[0032] The height of the discharge port 5 is lower than that of the slag discharge port 6 .

[0033] The cooling pipes in the cooling pipe layer 7 are copper pipes.

[0034] A water-cooled furnace bottom electrode and a masonry method, comprising the following steps:

[0035] Step 1: According to the size of the furn...

Embodiment 3

[0042] A water-cooled furnace bottom electrode, comprising a furnace base made of silicon-magnesium refractory bricks 1, a furnace body 2 is arranged on the furnace base, the upper end of the furnace base is in the shape of a downwardly concave arc, and the furnace base A silicon-magnesium-type high-temperature-resistant protective layer 3 is laid on the top, and an electrode 4 is provided in the furnace body 2. A discharge port 5 is provided at the lower end of one side of the furnace body 2, and a discharge port 5 is provided at the lower end of the other side of the furnace body 2. A slag outlet 6, and a cooling pipe layer 7 is provided on the furnace base.

[0043] The height of the discharge port 5 is lower than that of the slag discharge port 6 .

[0044] The cooling pipes in the cooling pipe layer 7 are copper pipes.

[0045] A water-cooled furnace bottom electrode and a masonry method, comprising the following steps:

[0046] Step 1: According to the size of the furn...

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Abstract

The invention discloses a water-cooled furnace bottom electrode, which comprises a furnace base formed by stacking silicon-magnesium refractory bricks, a furnace body is arranged on the furnace base, the upper end of the furnace base is in a downwards-concave arc shape, a silicon-magnesium type high-temperature-resistant protective layer is laid on the furnace base, an electrode is arranged in the furnace body, a discharging opening is formed in the lower end of one side of the furnace body, a slag discharging opening is formed in the lower end of the other side of the furnace body, and a cooling pipe layer is arranged on the furnace base. The furnace base has the advantages that the furnace base has a good protection effect, and the overall safety is high.

Description

technical field [0001] The invention relates to the technical field of smelting, in particular to a water-cooled furnace bottom electrode and a masonry method. Background technique [0002] The refractories in the furnace are generally made of refractory materials such as alumina, carbon silicon, and magnesia. At present, the service life of the refractory material at the bottom of the electric furnace is inconsistent among factories. The flow and erosion of high-temperature metal liquid at the bottom of the furnace will damage the refractory material at the bottom of the furnace. Improper masonry and operation will lead to burn-through damage within a few months, and severe cases will cause serious environmental damage. Pollution and personal injury accidents. Contents of the invention [0003] In order to solve the various problems mentioned above, the present invention provides a water-cooled furnace bottom electrode and a masonry method. [0004] In order to solve th...

Claims

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Application Information

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IPC IPC(8): F27D1/16F27D11/10
CPCF27D1/16F27D1/1621F27D11/10
Inventor 张逸中刘广会
Owner 无锡市辉丰机电设备有限公司
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