CN214781932U - Blast furnace front slag runner head device - Google Patents
Blast furnace front slag runner head device Download PDFInfo
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- CN214781932U CN214781932U CN202023214471.2U CN202023214471U CN214781932U CN 214781932 U CN214781932 U CN 214781932U CN 202023214471 U CN202023214471 U CN 202023214471U CN 214781932 U CN214781932 U CN 214781932U
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- slag runner
- cooler
- semicircular
- slag
- blast furnace
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Abstract
The blast furnace front slag runner head device comprises a semicircular cooler, a slag runner castable layer, a slag runner refractory brick layer, a slag runner steel structure, a water inlet pipe and a water return pipe; the semicircular cooler is connected with a stokehole slag runner head consisting of a slag runner refractory brick layer and a slag runner steel structure; the semicircular cooler is fixedly connected with the slag runner head in front of the furnace through a slag runner casting material layer which is formed by tightly and seamlessly filling the peripheral pores of the semicircular cooler and the slag runner head with casting materials; a cooling water pipeline is arranged in the semicircular cooler; one end of the water inlet pipe and one end of the water return pipe are connected into a cooling water pipeline of the semicircular cooler, and the other end of the water inlet pipe and the water return pipe are connected into a blast furnace circulating high-pressure water pipeline. The advantages are that: accessible water under high pressure constantly circulative cooling avoids receiving high temperature slag to erode the influence and fracture, drops, extension stokehold slag runner head device life need not personnel and mends the operation of slag runner head temporarily, avoids safe risk, can avoid appearing red sediment, production smoke and dust and polluted environment simultaneously.
Description
Technical Field
The utility model relates to the technical field of blast furnace ironmaking auxiliary equipment, in particular to a slag runner head device used in front of a blast furnace.
Background
The blast furnace slag runner head is an indispensable part of blast furnace slag processing system equipment, and blast furnace slag flows into the slag runner and is quenched into water slag through high-pressure water of a slag flushing nozzle at the slag runner head. Because the blast furnace slag is washed by the high-temperature slag for a long time, the pouring material at the head of the slag runner is easy to crack and fall off, the blast furnace slag is not fully quenched into water slag by the high-pressure water of the slag washing nozzle, red slag is generated, smoke dust is generated, and the environment is polluted. In the prior production, the slag runner head can be repaired only by adopting self-produced mud temporarily before tapping of each furnace, and because the surrounding environment of the slag runner head is high in temperature, large in steam, poor in sight line and high in safety risk during personnel operation, the provision of the durable blast furnace front slag runner head device is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, providing a safe and environment-friendly problem which can solve the problems that the pouring material of the front slag runner of the blast furnace is easy to crack, drop and bring, realizing high efficiency, simplicity and rapidness, and effectively prolonging the service life of the front slag runner of the blast furnace.
The utility model discloses a solve the technical scheme that above-mentioned problem provided and be: a blast furnace stokehole slag runner head device, comprising: the device comprises a semicircular cooler, a slag runner castable layer, a slag runner refractory brick layer, a slag runner steel structure, a water inlet pipe and a water return pipe; the semicircular cooler is connected with a stokehole slag runner head consisting of a slag runner refractory brick layer and a slag runner steel structure; the semicircular cooler is fixedly connected with the slag runner head in front of the furnace through a slag runner casting material layer which is formed by tightly and seamlessly filling the peripheral pores of the semicircular cooler and the slag runner head with casting materials; one end of the semicircular cooler is flush with the outer edge of the slag runner head in front of the furnace, and the inner surface layer of the other end of the semicircular cooler is flush with the pouring material layer of the slag runner; a cooling water pipeline is arranged in the semicircular cooler; one end of the water inlet pipe and one end of the water return pipe are connected into a cooling water pipeline of the semicircular cooler, and the other end of the water inlet pipe and the water return pipe are connected into a blast furnace circulating high-pressure water pipeline.
Preferably: the semicircular cooler is 500-600 mm long, 400-450 mm in inner diameter, 560-600 mm in outer diameter and 55-100 mm in thickness; the diameters of a cooling water pipeline, a water inlet pipe and a water return pipe which are arranged in the semicircular cooler are all 50-60 mm.
Preferably: the semicircular cooler is made of steel or copper.
The utility model has the advantages that: when blast furnace slag flows through slag runner head department, semi-circular cooler material is copper or steel, has good heat conductivity, and the continuous circulative cooling of accessible water under high pressure avoids receiving high temperature slag to erode the influence and the fracture, drops, and slag runner head device life before the extension stove need not personnel and mends the operation of slag runner head temporarily, avoids the safety risk, can avoid appearing the red sediment simultaneously, produces the smoke and dust, the polluted environment.
Drawings
FIG. 1 is a front view of the structure of the embodiment of the present invention;
fig. 2 is a side view of fig. 1.
In the drawings: 1. a semicircular cooler; 2. a slag channel casting material layer; 3. a refractory brick layer of the slag melting channel; 4. a slag channel steel structure; 5. a water inlet pipe; 6. a water return pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. A blast furnace front slag runner head device is shown in figures 1 and 2: the device comprises a semicircular cooler 1, a slag runner castable layer 2, a slag runner refractory brick layer 3, a slag runner steel structure 4, a water inlet pipe 5 and a water return pipe 6; the semicircular cooler 1 is connected with a stokehole slag runner head consisting of a slag runner refractory brick layer 3 and a slag runner steel structure 4; the semicircular cooler 1 is fixedly connected with a slag runner head in front of a furnace through a slag runner castable layer 2 which is formed by tightly and seamlessly filling the peripheral pores of the semicircular cooler and the slag runner head with castable; one end of the semicircular cooler 1 is flush with the outer edge of the slag runner head in front of the furnace, and the inner surface layer of the other end is flush with the slag runner castable layer 2; a cooling water pipeline is arranged in the semicircular cooler 1; one end of the water inlet pipe 5 and one end of the water return pipe 6 are connected into a cooling water pipeline of the semicircular cooler 1, and the other end of the water inlet pipe and the other end of the water return pipe are connected into a blast furnace circulating high-pressure water pipeline. The semicircular cooler 1 is 500-600 mm long, 400-450 mm in inner diameter, 560-600 mm in outer diameter and 55-100 mm in thickness; the diameters of a cooling water pipeline, a water inlet pipe 5 and a water return pipe 6 which are arranged in the semicircular cooler 1 are all 50-60 mm; the semicircular cooler 1 is made of steel. Preferably: the semicircular cooler 1 is made of copper.
The utility model discloses a work flow is: firstly, a space for placing the semicircular cooler 1 is reserved at the head of the slag channel in front of the furnace. Then the semi-circular cooler 1 is placed, one end of the semi-circular cooler 1 is flush with the outer edge of the slag runner head, and the inner surface layer of the other end of the semi-circular cooler 1 is flush with the slag runner castable layer. Then adjusting the direction of the semicircular cooler 1, wherein the semicircular cooler 1 is required to be consistent with the axial center line direction of the slag flushing nozzle, and the distance between the end of the semicircular cooler 1, which is flush with the outer edge of the slag runner head, and the upper edge of the slag flushing nozzle is 70-80 cm; filling the semicircular cooler 1 and the peripheral pores of the slag runner with a pouring material to form a slag runner pouring material layer 2 which is required to be tight and smooth and is tightly connected with the slag runner without gaps; and then one end of the water inlet pipe 5 and one end of the water return pipe 6 are connected into the semicircular cooler 1, and the other end of the water inlet pipe and the other end of the water return pipe are connected into a blast furnace circulating high-pressure water pipeline. The semicircular cooler 1 is used for replacing the original method for building castable, and the semicircular cooler is connected with the blast furnace circulating high-pressure water and is continuously cooled, so that the service life of the slag runner head device in front of the furnace is prolonged.
Claims (2)
1. The utility model provides a blast furnace stokehold slag runner head device, includes slag runner firebrick layer (3), slag runner steel construction (4), characterized by: further comprising: the device comprises a semicircular cooler (1), a slag runner castable layer (2), a water inlet pipe (5) and a water return pipe (6); the semicircular cooler (1) is connected with a stokehole slag runner head consisting of a slag runner refractory brick layer (3) and a slag runner steel structure (4); the semicircular cooler (1) is fixedly connected with a slag runner head in front of the furnace through a slag runner castable layer (2) which is formed by tightly and seamlessly filling the peripheral pores of the semicircular cooler and the slag runner head with castable; one end of the semicircular cooler (1) is flush with the outer edge of the slag runner head in front of the furnace, and the inner surface layer of the other end is flush with the slag runner castable layer (2); a cooling water pipeline is arranged in the semicircular cooler (1); one end of the water inlet pipe (5) and one end of the water return pipe (6) are connected into a cooling water pipeline of the semicircular cooler (1), and the other end of the water inlet pipe and the other end of the water return pipe are connected into a blast furnace circulating high-pressure water pipeline.
2. The blast furnace stokehole slag runner head device according to claim 1, characterized in that: the semicircular cooler (1) has the length of 500-600 mm, the inner diameter of 400-450 mm, the outer diameter of 560-600 mm and the thickness of 55-100 mm; the diameters of a cooling water pipeline, a water inlet pipe (5) and a water return pipe (6) which are arranged in the semicircular cooler (1) are all 50-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214471.2U CN214781932U (en) | 2020-12-28 | 2020-12-28 | Blast furnace front slag runner head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214471.2U CN214781932U (en) | 2020-12-28 | 2020-12-28 | Blast furnace front slag runner head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214781932U true CN214781932U (en) | 2021-11-19 |
Family
ID=78721920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023214471.2U Active CN214781932U (en) | 2020-12-28 | 2020-12-28 | Blast furnace front slag runner head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214781932U (en) |
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2020
- 2020-12-28 CN CN202023214471.2U patent/CN214781932U/en active Active
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