CN215724982U

CN215724982U - Slag separator of cupola furnace

Info

Publication number: CN215724982U
Application number: CN202121261384.4U
Authority: CN
Inventors: 宋利峰
Original assignee: Jiyuan Baode Machining Co ltd
Current assignee: Jiyuan Baode Machining Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-01
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to a slag separator of a cupola, which comprises a slag separator body, wherein the slag separator body is of a tubular structure and comprises a cylinder wall and a furnace bottom, a slag outlet is arranged on the front side of the cylinder wall, an iron outlet is arranged on the right side of the cylinder wall, a slag discharge pipeline is arranged on the outer side of the slag outlet, an observation port is arranged on the upper side of the slag discharge pipeline, an end cover is arranged on the upper side of the slag separator body, traction rings are arranged on the upper side of the end cover, the traction rings are four in number, the traction rings connect and fix the end cover and the slag separator body through bolts, a reinforcing plate is arranged at the direct connection part of the slag outlet and the slag separator body, and a blocking assembly is arranged on the outer side of the iron outlet; the utility model has the advantages of simple structure, convenient disassembly, low cost, good slag separating effect, safety and durability.

Description

Slag separator of cupola furnace

Technical Field

The utility model belongs to the technical field of casting industry, and particularly relates to a slag separator of a cupola furnace.

Background

The cupola furnace is an important equipment for melting cast iron in casting production, a cast iron block is melted into molten iron and then poured into a sand mould, and after cooling, the sand mould is opened to obtain a casting. The cupola furnace is a vertical cylindrical smelting furnace, which is divided into a front furnace and a rear furnace. The forehearth is divided into a tap hole, a slag hole, a furnace cover forehearth and a gap bridge. The rear furnace is divided into three parts, a top furnace, a waist furnace and a furnace hearth. The waist furnace and the hot blast bustle pipe are separated, closed after the furnace is repaired, and sealed by mud. On the top furnace is a heat exchanger.

The slag-iron separation device is arranged at the part connected with the furnace cylinder, most of slag separators used by the cupola at present are pressure slag separators, molten iron enters the slag separators after passing through a bridge, the inside of the slag separators is influenced by the pressure in the furnace, slag is not stably discharged when slag is separated, and the conventional slag separators are unstable in fixation, inconvenient to detach when maintenance is carried out, labor hour is consumed and the like; therefore, the slag separator of the cupola furnace has the advantages of simple structure, convenient disassembly, low cost, good slag separating effect, safety and durability and is very necessary.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a slag separator of a cupola furnace, which has the advantages of simple structure, convenient disassembly, low cost, good slag separating effect, safety and durability.

The purpose of the utility model is realized as follows: the utility model provides a cupola divides sediment ware, it includes divides the sediment ware body, divide the sediment ware body to be the tubular structure, divide the sediment ware body including section of thick bamboo wall and stove bottom, the front side of section of thick bamboo wall be provided with the slag notch, the right side of section of thick bamboo wall be provided with the taphole, the outside of slag notch be provided with row's sediment pipeline, the upside of arranging the sediment pipeline set up the viewing aperture, the upside of branch sediment ware body be provided with the end cover, the upside of end cover be provided with the traction ring, the traction ring total four, the traction ring passes through the bolt with the end cover with divide this body coupling of sediment ware fixed, slag notch and taphole and branch sediment ware body lug connection department be provided with the reinforcing plate, the outside of taphole set up stifled mouthful subassembly.

Further preferably, the tap hole is positioned outside the bottom of the cylinder wall.

Preferably, the other end of the slag discharge pipeline is provided with a connector, and the slag discharge pipeline is a square pipe pipeline.

Preferably, a hearth connecting pipeline is arranged on the left side of the outer part of the cylinder wall, and molten iron in the hearth enters the slag separator body through the hearth connecting pipeline.

Further preferably, a guide plate is arranged inside the slag hole, the guide plate is arranged at the upper end and the lower end, and slag is guided to the direction of the slag hole in the guide plate.

Further preferably, the inclination of viewing aperture be 40 degrees, and the viewing aperture is interior survey hole big, the little through-hole in outside hole, the tip of viewing aperture be provided with cover glass, can directly observe the inside slag quantity of branch sediment ware body through the viewing aperture, in time regulate and control.

Further preferred, branch sediment ware body and hearth connecting tube adopt the high-alumina brick to make, the taphole adopts ASC to smash the material, the slag notch adopts the ASC matter of higher carborundum content to smash the material, different positions adopt different refractory material can satisfy the various demands in the production, improve production security and stability.

The utility model has the beneficial effects that: the slag separator is simple in structure, and can ensure the safety performance during slag discharging while keeping the slag separator fixed, the guide plate is adopted, slag in molten iron can be timely guided to the slag outlet through the guide plate, and the slag discharging efficiency of the slag outlet is ensured; the slag separator has the advantages of simple structure, convenience in disassembly, low cost, good slag separating effect, safety and durability.

Drawings

FIG. 1 is a schematic structural view of a slag separator of a cupola furnace according to the present invention.

FIG. 2 is a left side view of a slag separator of a cupola furnace according to the present invention.

FIG. 3 is a sectional view of a slag separator of a cupola furnace according to the present invention.

FIG. 4 is a top view of a slag separator of a cupola furnace according to the present invention.

In the figure: 1. the slag separator comprises a slag separator body 2, a cylinder wall 3, a furnace bottom 4, a slag outlet 5, an iron outlet 6, a slag discharge pipeline 7, an observation port 8, an end cover 9, a traction ring 10, a reinforcing plate 11, a connector 12, a furnace hearth connecting pipeline 13, a guide plate 14, protective glass 15 and a plugging component.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-4, a cupola slag separator comprises a slag separator body 1, wherein the slag separator body 1 is of a tubular structure, the slag separator body 1 comprises a cylinder wall 2 and a furnace bottom 3, a slag outlet 4 is arranged on the front side of the cylinder wall 2, a tapping 5 port is arranged on the right side of the cylinder wall 2, a slag discharge pipeline 6 is arranged on the outer side of the slag outlet 4, an observation port 7 is arranged on the upper side of the slag discharge port 4, an end cover 8 is arranged on the upper side of the slag separator body 1, traction rings 9 are arranged on the upper side of the end cover 8, the number of the traction rings 9 is four, the end cover 8 and the slag separator body 1 are fixedly connected through bolts by the traction rings 9, a reinforcing plate 10 is arranged at the direct connection position of the slag outlet 4 and the tapping 5 with the slag separator body 1, and a blocking component 15 is arranged on the outer side of the tapping 5.

When the slag separator is used, the hearth connecting pipeline 12 is connected with the hearth, so that molten iron in the hearth is conveyed into the slag separator body 1 through the hearth connecting pipeline 12, the molten iron in the slag separator body 1 is layered with slag, the slag floats to the surface of the molten iron and passes through the slag outlet 4 through the guide plate 13 and enters the slag discharge pipeline 6, the slag separator is discharged through the slag discharge pipeline 6, the molten iron at the bottom layer in the slag separator body 1 enters the next working procedure through the iron outlet 5, and the maintenance is carried out every time; the slag separator has the advantages of simple structure, convenience in disassembly, low cost, good slag separating effect, safety and durability.

Example 2

As shown in fig. 1-4, a cupola slag separator comprises a slag separator body 1, wherein the slag separator body 1 is of a tubular structure, the slag separator body 1 comprises a cylinder wall 2 and a furnace bottom 3, a slag outlet 4 is arranged on the front side of the cylinder wall 2, a tapping 5 port is arranged on the right side of the cylinder wall 2, a slag discharge pipeline 6 is arranged on the outer side of the slag outlet 4, an observation port 7 is arranged on the upper side of the slag discharge port 4, an end cover 8 is arranged on the upper side of the slag separator body 1, traction rings 9 are arranged on the upper side of the end cover 8, the number of the traction rings 9 is four, the traction rings 9 are used for fixedly connecting the end cover 8 with the slag separator body 1 through bolts, and reinforcing plates 10 are arranged at the direct connection positions of the slag outlet 4, the tapping 5 and the slag separator body 1.

Further preferably, the tap hole 5 is located outside the bottom of the barrel wall 2.

Preferably, the other end of the slag discharge pipeline 6 is provided with a connector 11, and the slag discharge pipeline 6 is a square pipe pipeline.

Preferably, a hearth connecting pipeline 12 is arranged on the left side of the outer part of the cylinder wall 2, and molten iron in the hearth enters the slag separator body 1 through the hearth connecting pipeline 12.

Further preferably, a guide plate 13 is arranged inside the slag outlet 4, the guide plate 13 is arranged at the upper end and the lower end, and the slag is guided to the direction of the slag outlet 4 in the guide plate 13.

Further preferably, the inclination angle of the observation port 7 is 40 degrees, the observation port 7 is a through hole with a large inner measuring hole and a small outer side hole, the end part of the observation port 7 is provided with a protective glass 14, the amount of the slag in the slag separator body 1 can be directly observed through the observation port 7, and the regulation and control are carried out in time.

Further preferably, the slag separator body 1 and the hearth connecting pipeline 12 are made of high-alumina bricks, the iron outlet 5 is made of an ASC ramming material, and the slag outlet 4 is made of an ASC ramming material with high silicon carbide content.

Claims

1. The utility model provides a cupola slag separator, it includes slag separator body, its characterized in that: the slag separator body be tubular structure, the slag separator body include section of thick bamboo wall and stove bottom, the front side of section of thick bamboo wall be provided with the slag notch, the right side of section of thick bamboo wall be provided with the taphole, the outside of slag notch be provided with row sediment pipeline, the upside of arranging sediment pipeline set up the viewing aperture, the upside of branch slag separator body be provided with the end cover, the upside of end cover be provided with the traction ring, the traction ring total four, the traction ring passes through the bolt with the end cover with divide this body coupling of slag separator fixed, slag notch and taphole and branch slag separator body lug connection department be provided with the reinforcing plate, the outside of taphole set up stifled mouthful subassembly.

2. The slag separator of the cupola furnace according to claim 1, wherein: the iron outlet is positioned at the outer side of the bottom of the cylinder wall.

3. The slag separator of the cupola furnace according to claim 1, wherein: the other end of the slag discharge pipeline is provided with a connector, and the slag discharge pipeline is a square pipe pipeline.

4. The slag separator of the cupola furnace according to claim 1, wherein: and a hearth connecting pipeline is arranged on the left side of the outer part of the cylinder wall, and molten iron in the hearth enters the slag separator body through the hearth connecting pipeline.

5. The slag separator of the cupola furnace according to claim 1, wherein: the inclination of viewing aperture be 40 degrees, and the viewing aperture is interior survey hole big, the little through-hole in outside hole, the tip of viewing aperture be provided with cover glass, can direct observation to divide the inside slag quantity of sediment ware body through the viewing aperture, in time regulate and control.

6. The slag separator of the cupola furnace according to claim 1, wherein: the inside of slag notch be provided with the guide plate, the guide plate is last long lower extreme setting, leads to the slag notch direction with the slag in the guide plate.

7. The slag separator of the cupola furnace according to claim 4, wherein: the slag separator body and the furnace hearth connecting pipeline are made of high-alumina bricks, an iron outlet adopts an ASC ramming material, and a slag outlet adopts an ASC ramming material with higher silicon carbide content.