CN219347347U

CN219347347U - Copper discharging chute of copper water jacket of sedimentation electric furnace

Info

Publication number: CN219347347U
Application number: CN202320326835.0U
Authority: CN
Inventors: 刘贤龙; 姜志雄; 彭明; 赵祥林; 胡建军; 谭勇; 左铁生; 吴厚兵; 陈展展; 乐安胜; 石瑶
Original assignee: Daye Nonferrous Metals Co Ltd
Current assignee: Daye Nonferrous Metals Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-14
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a copper water jacket copper discharge chute of a settlement electric furnace, which comprises a plurality of sections of U-shaped chute, wherein the sections of U-shaped chute are connected end to form a whole chute, the inner bottom surface of each section of U-shaped chute is provided with refractory bricks, castable materials are arranged between the refractory bricks and the inner walls of the U-shaped chute, a cooling pipeline is arranged in the side wall of each section of U-shaped chute and used for introducing cooling water to cool the U-shaped chute, the width of a first section of U-shaped chute facing a copper discharge port is larger than that of a second section of U-shaped chute, the inner bottom surface of the first section of U-shaped chute is provided with a first layer of refractory bricks along the whole length, the joint of the first section of U-shaped chute and the second section of U-shaped chute is provided with a second layer of refractory bricks, the second layer of refractory bricks and the first layer of refractory bricks form steps, and the refractory bricks in the second layer of refractory bricks and the second section of U-shaped chute are positioned on the same plane; the U-shaped chute adopts a copper water jacket; the utility model greatly reduces the loss of the temperature of the copper matte.

Description

Copper discharging chute of copper water jacket of sedimentation electric furnace

Technical Field

The utility model relates to the field of sedimentation electric furnaces, in particular to a copper discharging chute of a copper water jacket of a sedimentation electric furnace.

Background

In modern copper pyrometallurgy, the sedimentation electric furnace is mainly used for sedimentation separation of matte and slag, and copper content in slag is reduced. After the matte and slag of the sedimentation electric furnace are separated, the separated matte and slag flow into a copper ladle or a slag ladle through a chute respectively and are sent to the next working procedure. In the production process, the copper discharge chute is required to be replaced regularly due to the influences of factors such as copper matte flushing, chute cleaning and the like, and the influence on production is large.

Copper discharge chutes are generally copper chutes, graphite chutes and ceramic chutes in copper smelting.

The copper chute is convenient to use, is suitable for high-grade copper matte production, and the clearance is comparatively convenient simple, and the amount of labour is low, but owing to inside has the water-cooled tube, copper matte runs into behind the water, can explode, and the danger is great, need regularly carry out carefully inspection to the chute, and change copper chute must the monoblock chute at every turn, and expense and time are all great. In addition, the pure copper water jacket chute causes the loss of copper matte temperature due to cooling water cooling, causes the loss of heat, causes more copper package adhesion, increases cold materials, has low copper matte temperature in the blowing process, has high blowing difficulty, and reduces the capability of processing cold materials.

The graphite chute has short service life and is easy to damage when cleaning the chute although the graphite chute is convenient to replace.

The ceramic chute is suitable for the situation that the grade of the copper matte is lower, the grade of the copper matte is 55% in most of the earlier colored stage of the smelting, the ceramic chute is adopted for the copper-discharging chute of the electric furnace, and the service life can reach 3 months, but after the grade of the copper matte is improved from 55% to 65% in the smelting furnace of the colored Ausmelt in 2021, the ceramic chute is easy to adhere due to the increase of the viscosity of the copper matte, the phenomenon of chute leveling often occurs, the cleaning difficulty is extremely high, the labor amount is large, and the copper-discharging ceramic chute is not suitable for high-grade copper matte production.

Disclosure of Invention

The utility model mainly aims to solve the problems in the prior art and provides a copper discharging chute of a copper water jacket of a sedimentation electric furnace.

The specific scheme of the utility model is as follows: the copper water jacket copper discharge chute of the settlement electric furnace comprises a plurality of sections of U-shaped chute, wherein the sections of U-shaped chute are connected end to form a whole chute, refractory bricks are arranged on the inner bottom surface of each section of U-shaped chute, casting materials are arranged between the refractory bricks and the inner walls of the U-shaped chute, a cooling pipeline is arranged in the side wall of each section of U-shaped chute and used for introducing cooling water to cool the U-shaped chute, the width of a first section of U-shaped chute facing a copper discharge opening is larger than that of a second section of U-shaped chute, a first layer of refractory bricks is arranged on the inner bottom surface of the first section of U-shaped chute along the whole length, a second layer of refractory bricks is arranged at the joint of the first section of U-shaped chute and the second section of U-shaped chute, the second layer of refractory bricks and the first layer of refractory bricks form steps, and the refractory bricks in the second layer of refractory bricks and the second section of U-shaped chute are positioned on the same plane; the U-shaped chute adopts a copper water jacket.

Preferably, two side walls of the tail end of the last section of U-shaped chute of the whole chute are respectively provided with a stop block, and the stop blocks are used for blocking refractory bricks and preventing the refractory bricks from slipping and falling.

Preferably, the block is a cuboid copper block, and the dimensions of the cuboid copper block are 20mm multiplied by 30mm.

Preferably, the bottom surface and the two sides of each section of U-shaped chute are provided with a wear-resistant layer, and the refractory bricks are positioned above the bottom wear-resistant layer.

Compared with the prior art, the utility model has the following advantages: the problems that a copper discharge chute is easy to damage, the bonding of the copper discharge chute is difficult to clean during high-grade operation, the copper discharge chute with a copper water jacket is low in safety performance, the copper matte temperature is lost rapidly, and cold materials are increased are solved, so that the copper discharge chute is particularly suitable for a high-grade copper matte production process; compared with the traditional copper water jacket copper discharge chute, the copper water jacket copper discharge chute reduces the copper matte temperature loss from 70 ℃ to 20 ℃ and greatly reduces the copper matte temperature loss; the copper water jackets are arranged on the two sides of the bottom brick laying, so that the advantage of easy cleaning of the copper water jackets is ensured, and the cleaning of the copper discharging chute in high-grade operation is ensured not to influence the production of the Ausmelt furnace.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a view A-A of FIG. 1;

FIG. 3 is a view B-B of FIG. 1;

FIG. 4 is a view C-C of FIG. 1;

FIG. 5 is a D-D view of FIG. 1;

FIG. 6 is a schematic diagram of the laying of refractory bricks inside each section of U-shaped chute according to the present utility model;

in the figure: 1. a first section of U-shaped chute; 2. a second section of U-shaped chute; 3. a U-shaped chute; 4. the last section of U-shaped chute; 5. a cooling pipe; 6. casting materials; 7. a second layer of refractory bricks; 8. a first layer of refractory bricks; 9. a wear-resistant layer; 10. refractory bricks; 11. and a stop block.

Detailed Description

Referring to fig. 1-6, the embodiment is a copper water jacket copper discharge chute of a settlement electric furnace, which comprises a plurality of sections of U-shaped chute 3, wherein each section of U-shaped chute 3 is connected end to form a whole chute, refractory bricks 10 are arranged on the inner bottom surface of each section of U-shaped chute 3, castable 6 is arranged between each refractory brick 10 and the inner wall of the U-shaped chute 3, a cooling pipeline 5 is arranged in the side wall of each section of U-shaped chute 3, the cooling pipeline 5 is used for introducing cooling water to cool the U-shaped chute 3, the width of a first section of U-shaped chute 1 facing a copper discharge port is larger than that of a second section of U-shaped chute 2, a first layer of refractory bricks 8 is built at the bottom of the first section of U-shaped chute 1, the height of the first section of U-shaped chute 1 is 150mm, a second layer of refractory bricks 7 is built at the joint of the first section of U-shaped chute 1 and the second section of U-shaped chute 2, the height of the second section of the refractory bricks is 150mm, a step is formed between the two layers of refractory bricks, so that the front end of the first section of U-shaped chute 1 forms a molten pool, and copper water jacket flowing out from the copper discharge port is prevented from directly flushing the copper water jacket, and the first section of the refractory bricks are located at the same level with the height of the second section of U-shaped chute 10; the U-shaped chute adopts a copper water jacket.

The two sides of each copper water jacket are not built by refractory bricks, so that the copper water jacket is convenient to clean, is suitable for high-grade matte production, is paved at the bottom of a copper chute, is provided with water cooling walls at the two sides, and is convenient for cleaning the matte adhered at the two sides.

Preferably, two side walls of the tail end of the last section of U-shaped chute 4 of the whole chute are respectively provided with a stop block 11, and the stop blocks 11 are used for blocking the refractory bricks 10 and preventing the refractory bricks 10 from slipping and falling.

Preferably, the stopper 11 is a rectangular copper block, and the dimensions of the rectangular copper block are 20mm×20mm×30mm.

Preferably, a wear-resistant layer 9 is arranged on the bottom surface and two sides of each section of U-shaped chute 3, and the refractory bricks 10 are positioned above the bottom surface wear-resistant layer 9. And the abrasion-resistant layer 9 is arranged to slow down the brushing of the copper matte, so that the service life of the copper water jacket chute is prolonged.

The application of the embodiment solves the problems that the copper discharge chute is easy to damage, the bonding of the copper discharge chute is difficult to clean during high-grade operation, the copper discharge chute with the copper water jacket has low safety performance, the copper matte temperature is lost rapidly, and the cold materials are increased, and is particularly suitable for the high-grade copper matte production process; the service life is changed from the previous 3 months to more than 6 months; compared with the traditional copper water jacket copper chute, the copper water jacket copper chute reduces the copper matte temperature loss from 70 ℃ to 20 ℃ and greatly reduces the copper matte temperature loss.

Claims

1. The utility model provides a subsidence electric stove copper water jacket copper chute that puts, includes a plurality of sections U-shaped chute, and each section U-shaped chute head and the tail connect into a whole chute, characterized by: the inner bottom surface of each section of U-shaped chute is provided with refractory bricks, castable is arranged between the refractory bricks and the inner wall of the U-shaped chute, a cooling pipeline is arranged in the side wall of each section of U-shaped chute and used for cooling the U-shaped chute by introducing cooling water, the width of a first section of U-shaped chute facing the copper discharge port is larger than that of a second section of U-shaped chute, the inner bottom surface of the first section of U-shaped chute is provided with a first layer of refractory bricks along the whole length, the junction between the first section of U-shaped chute and the second section of U-shaped chute is provided with a second layer of refractory bricks, the second layer of refractory bricks and the first layer of refractory bricks form steps, and the second layer of refractory bricks and the refractory bricks in the second section of U-shaped chute are positioned on the same plane; the U-shaped chute adopts a copper water jacket.

2. The copper discharge chute of the copper water jacket of the sedimentation electric furnace, according to claim 1, is characterized in that: two side walls of the tail end of the last section of U-shaped chute of the whole chute are respectively provided with a stop block, and the stop blocks are used for blocking refractory bricks and preventing the refractory bricks from slipping and falling.

3. The copper discharge chute of the copper water jacket of the sedimentation electric furnace, according to claim 2, is characterized in that: the stopper is a cuboid copper block, and the size of the cuboid copper block is 20mm multiplied by 30mm.

4. The copper discharge chute of the copper water jacket of the sedimentation electric furnace, according to claim 1, is characterized in that: the bottom surface and the both sides of each section U-shaped chute are equipped with one deck wearing layer, and the resistant firebrick is located the top of bottom wearing layer.