Water pipe reinforced micro cooler and embedded brick combined copper cooling wall structure

By combining the design of micro coolers, square bricks and reinforcement ribs on the copper cooling wall, the problem of easy wear and leakage of copper cooling walls at high temperatures is solved, and the efficient cooling and structural stability of the cooling walls are achieved, and the service life is extended.

CN120519648APending Publication Date: 2025-08-22NANJING INST OF TECH
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Patent Information

Application Number
CN202510680381.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2025-08-22

AI Technical Summary

Technical Problem

The existing copper cooling walls are prone to hot surface wear, water leakage and high-temperature thermal deformation under the invasion of high-temperature molten iron, which affects the safety production and production efficiency of blast furnaces.

Method used

The copper cooling wall structure is adopted that combines water pipe reinforced micro coolers and brick-inserted bricks. By arraying the micro coolers and square bricks on the hot surface of the cooling wall, combining transverse and vertical reinforcement ribs, the cooling efficiency is enhanced and the brick-inserted bricks are protected. The wear-resistant coating and reinforced iron plates are used to strengthen structural stability.

Benefits of technology

It improves the slag hanging capacity of the cooling wall, extends the service life of the cooling wall, and ensures the safe production and production efficiency of the blast furnace.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a water pipe reinforced micro cooler and embedded brick combined copper cooling wall structure. The cold surface of a copper cooling wall body is also provided with a plurality of micro coolers which are arranged in an array manner; each miniature cooler is provided with a water inlet and outlet runner for being connected with an external cooling water device, and the part, located on the hot surface of the copper cooling wall body, of each miniature cooler is cooled through a micro-cold protection insert brick; the hot surface of the copper cooling wall body is also provided with a plurality of square embedded bricks for realizing heat dissipation of the cooling water channel; the micro-cold protection insert bricks and the square insert bricks are arranged in an array mode. Transverse reinforcing ribs and vertical reinforcing ribs are arranged on the cold surface of the copper cooling wall body; wherein the transverse reinforcing ribs are located between two adjacent rows of miniature coolers, and the vertical reinforcing ribs are located on the last two rows of miniature coolers close to the vertical edge of the body. The anti-pressure capability of the water pipe can be enhanced, the slag adhering and wear resisting capabilities of the copper cooling wall are improved, and the service life of the copper cooling wall is prolonged.
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Description

Technical Field

[0001] The invention relates to the technical field of blast furnace cooling equipment, and in particular to a water pipe reinforced micro cooler and a copper cooling wall structure combined with inlaid bricks. Background Art

[0002] The blast furnace is a very important ironmaking equipment in the current smelting industry. The copper cooling stave is a key cooling equipment, which can prevent the blast furnace body from being invaded by high-temperature molten iron, thereby increasing the overall service life of the blast furnace. At present, the surface of the copper cooling stave used to cool the furnace body in many blast furnaces is in direct contact with the high-temperature molten iron, and the surface is not covered with steel bricks or refractory bricks for protection. During the service process, the hot surface will gradually wear out or the water pipe will leak. At the same time, some copper cooling staves will experience high-temperature thermal deformation, which is very detrimental to the safe production of the blast furnace. It will also affect the safety of the blast furnace and the production efficiency of the enterprise, with serious consequences. Therefore, it is very important to ensure the safe use of the cooling stave during the service of the blast furnace, which is of great significance to safe production. Summary of the Invention

[0003] 1. Technical problems to be solved: In response to the above technical problems, the present invention proposes a water-tube reinforced micro-cooler and a copper cooling wall structure combined with brick inlays. This structure can improve the slag hanging capacity of the cooling wall, extend the life of the cooling wall, and provide enterprises with a reliable blast furnace cooling equipment.

[0004] 2. Technical solution: A copper cooling stave structure combining a water-pipe reinforced micro-cooler and inlay bricks, comprising a copper cooling stave body, wherein a plurality of cooling water channels are evenly arranged inside the copper cooling stave body, and both ends of the cooling water channels are connected to cooling water pipes arranged on the cold surface of the copper cooling stave body; it is characterized in that: the cold surface of the copper cooling stave body is also provided with a plurality of micro-coolers arranged in an array; each micro-cooler is provided with an inlet and outlet water flow channel for connecting to an external cooling water device, and its part located on the hot surface of the copper cooling stave body is heat-dissipated by micro-cooling protection inlay bricks; the hot surface of the copper cooling stave body is also provided with a plurality of square inlay bricks for realizing heat dissipation of the cooling water channel; the micro-cooling protection inlay bricks and the square inlay bricks are both arranged in an array; the cold surface of the copper cooling stave body is provided with transverse reinforcement ribs and vertical reinforcement ribs; wherein the transverse reinforcement ribs are located between two adjacent rows of micro-coolers, and the vertical reinforcement ribs are located near the last two rows of micro-coolers of the vertical side of the body.

[0005] Furthermore, the micro-cooler is cylindrical, and the micro-cooling protection brick is arranged on the outside thereof; the micro-cooling protection brick is shaped like a cube connected to a cylinder, and the micro-cooler is located in its cavity; the cylinder passes through the circular through hole of the copper cooling wall body and is welded to the copper cooling wall body through a circular ring set on its outer surface.

[0006] Furthermore, the inner cavity of each square inlay brick is connected to its corresponding cooling water channel to achieve cooling of its heat-facing surface; the square inlay brick is made of refractory material, and its outer surface is sprayed with a wear-resistant coating.

[0007] Furthermore, the hot surface of the copper cooling wall body is provided with a plurality of dovetail grooves, and the square inlay bricks and the square parts of the micro-cooling protection inlay bricks are installed in the corresponding grooves to achieve their fixation.

[0008] Furthermore, the copper cooling wall body includes a wear-resistant steel plate; the square inlay bricks and the micro-cooling protection inlay bricks protrude from the outer surface of the wear-resistant steel plate.

[0009] Furthermore, there are four cooling water channels, each extending along the vertical side of the copper cooling wall body; the square bricks are arranged in eight rows; the micro-cooling protection bricks are arranged in seven rows, and the two types of bricks are arranged indirectly.

[0010] Furthermore, the cooling water pipe has a circular reinforcing iron plate, which is fastened to the cooling wall by bolts and connected to the water pipe by welding; a water pipe reinforcement pipe is provided on the upper surface of the circular reinforcing iron plate; the water pipe reinforcement pipe is sleeved around the cooling water pipe and fastened to the copper cooling wall by bolts passing through the reinforcing iron plate.

[0011] Furthermore, there is a cover plate outside the water pipe reinforcement pipe, which connects the water pipe and the water pipe reinforcement pipe. The inner surface is connected to the water pipe reinforcement pipe through a thread, and the upper end is welded to the water pipe.

[0012] Furthermore, a circular protective sleeve is provided around the portion of the cooling water channel located inside the main body.

[0013] Furthermore, the cold surface of the copper cooling stave body is provided with grooves for installing transverse reinforcement ribs and vertical reinforcement ribs.

[0014] 3.Beneficial effects: The present invention provides a copper stave structure that combines a water-tube-reinforced micro-cooler with brick inserts. The brick inserts are square steel bricks embedded in the hot surface of the stave to enhance its slag retention capacity while ensuring slag crust stability. Installing the brick inserts in high-load areas reduces stave wear and extends its lifespan. The micro-cooler improves stave cooling efficiency and ensures production quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the copper cooling stave of the present invention; Figure 2 A side view of a copper cooling stave according to the present invention; Figure 3 is a schematic diagram of a wear-resistant steel plate of the present invention; Figure 4 is an enlarged view of the cooling water pipe of the present invention; Figure 5 This is an enlarged view of the micro-cooler and its micro-cooling protection brick after installation.

[0016] Figure numerals: copper cooling wall body 1, cooling water pipe 2, micro cooler 3, micro cooling protection inlay brick 4, square inlay brick 5, transverse reinforcement rib 6, vertical reinforcement rib 7, wear-resistant steel plate 8, circular reinforcement iron plate 9, water pipe reinforcement pipe 10, cover plate 11, groove 12. DETAILED DESCRIPTION

[0017] The present invention will be described in detail below with reference to the accompanying drawings.

[0018] As attached Figure 1 To the attached Figure 5 As shown, a copper cooling stave structure combining a water-pipe reinforced micro-cooler and inlay bricks comprises a copper cooling stave body 1, wherein a plurality of cooling water channels are evenly arranged inside the copper cooling stave body, and both ends of the cooling water channels are connected to cooling water pipes 2 arranged on the cold surface of the copper cooling stave body; it is characterized in that: the cold surface of the copper cooling stave body is also provided with a plurality of micro-coolers 3 arranged in an array; each micro-cooler is provided with an inlet and outlet water flow channel for connecting to an external cooling water device, and its part located on the hot surface of the copper cooling stave body is heat-dissipated by micro-cooling protection inlay bricks 4; the hot surface of the copper cooling stave body is also provided with a plurality of square inlay bricks 5 for heat dissipation of the cooling water channel; the micro-cooling protection inlay bricks and the square inlay bricks are both arranged in an array; the cold surface of the copper cooling stave body is provided with transverse reinforcement ribs 6 and vertical reinforcement ribs 7; wherein the transverse reinforcement ribs are located between two adjacent rows of micro-coolers, and the vertical reinforcement ribs are located near the last two rows of micro-coolers of the vertical side of the body.

[0019] Furthermore, the micro-cooler is cylindrical, and the micro-cooling protection brick is arranged on the outside thereof; the micro-cooling protection brick is shaped like a cube connected to a cylinder, and the micro-cooler is located in its cavity; the cylinder passes through the circular through hole of the copper cooling wall body and is welded to the copper cooling wall body through a circular ring set on its outer surface.

[0020] Furthermore, the inner cavity of each square inlay brick is connected to its corresponding cooling water channel to achieve cooling of its heat-facing surface; the square inlay brick is made of refractory material, and its outer surface is sprayed with a wear-resistant coating.

[0021] Furthermore, the hot surface of the copper cooling wall body is provided with a plurality of dovetail grooves, and the square inlay bricks and the square parts of the micro-cooling protection inlay bricks are installed in the corresponding grooves to achieve their fixation.

[0022] Furthermore, the copper cooling wall body includes a wear-resistant steel plate 8; the square inlay bricks and the micro-cooling protection inlay bricks protrude from the outer surface of the wear-resistant steel plate.

[0023] Furthermore, there are four cooling water channels, each extending along the vertical side of the copper cooling wall body; the square bricks are arranged in eight rows; the micro-cooling protection bricks are arranged in seven rows, and the two types of bricks are arranged indirectly.

[0024] Furthermore, the cooling water pipe has a circular reinforcing iron plate 9, which is fastened to the cooling wall by bolts and connected to the water pipe by welding; a water pipe reinforcement pipe 10 is provided on the upper surface of the circular reinforcing iron plate; the water pipe reinforcement pipe is sleeved around the cooling water pipe and fastened to the copper cooling wall by passing through the reinforcing iron plate with bolts.

[0025] Furthermore, there is a cover plate 11 outside the water pipe reinforcement pipe, which connects the water pipe and the water pipe reinforcement pipe. The inner surface is connected to the water pipe reinforcement pipe through a thread, and the upper end is welded to the water pipe.

[0026] Furthermore, a circular protective sleeve is provided around the portion of the cooling water channel located inside the main body.

[0027] Furthermore, the cold surface of the copper cooling stave body is provided with grooves 12 for installing transverse reinforcement ribs and vertical reinforcement ribs. Specific embodiment: As attached Figure 1-3 As shown, in this embodiment, there are 4 cooling water channels, each cooling water channel extends along the vertical side of the copper cooling wall body; the square bricks are 8 rows; the micro-cooling protection bricks are 7 rows, and the two types of bricks are arranged indirectly, one row of square bricks and one row of micro-cooling protection bricks, and the square bricks are combined with the micro cooler.

[0029] In this embodiment, the square bricks are made of refractory materials, and a wear-resistant coating is sprayed on the refractory bricks.

[0030] In this embodiment, the reinforcing ribs are connected to the grooves on the wear-resistant steel plate of the cooling wall body by welding. There is a gap between the square steel bricks connected to the micro cooler and the cooling wall, and the gap is filled with grouting material.

[0031] Although the present invention has been disclosed above in terms of preferred embodiments, they are not intended to limit the present invention. Anyone skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined by the claims of this application.

Claims

1. A copper stave structure combining a water-pipe-reinforced micro-cooler and brick inserts, comprising a copper stave body, a plurality of cooling water channels evenly disposed within the copper stave body, each end of each cooling water channel being connected to a cooling water pipe disposed on a cold surface of the copper stave body; characterized in that: The cold surface of the copper cooling stave body is also provided with a plurality of micro coolers arranged in an array; each micro cooler is provided with an inlet and outlet water flow channel for connecting to an external cooling water device, and the part located on the hot surface of the copper cooling stave body is heat-dissipated by micro cooling protection bricks; the hot surface of the copper cooling stave body is also provided with a plurality of square bricks for heat dissipation of the cooling water channel; the micro cooling protection bricks and the square bricks are arranged in an array; the cold surface of the copper cooling stave body is provided with transverse reinforcement ribs and vertical reinforcement ribs; the transverse reinforcement ribs are located between two adjacent rows of micro coolers, and the vertical reinforcement ribs are located in the last two rows of micro coolers close to the vertical side of the body.

2. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The micro cooler is cylindrical, and the micro cooling protection bricks are arranged on the outside of the micro cooler; The micro-cooling protection brick is in the shape of a cube connected to a cylinder, and the micro-cooler is located in its cavity; the cylinder passes through the circular through hole of the copper cooling wall body and is welded to the copper cooling wall body through a circular ring set on its outer surface.

3. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The inner cavity of each square inlay brick is connected to its corresponding cooling water channel to achieve cooling of its heat-facing surface; the square inlay bricks are made of refractory materials, and their outer surfaces are sprayed with a wear-resistant coating.

4. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The hot surface of the copper cooling wall body is provided with a plurality of dovetail grooves, and the square inlay bricks and the square parts of the micro-cooling protection inlay bricks are installed in the corresponding grooves to achieve their fixation.

5. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The copper cooling wall body comprises a wear-resistant steel plate; the square inlay bricks and micro-cooling protection inlay bricks protrude from the outer surface of the wear-resistant steel plate; the gaps between the micro-cooler, square inlay bricks and the cooling wall are filled with grouting lining material.

6. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: There are 4 cooling water channels, each extending along the vertical side of the copper cooling wall body; there are 8 rows of square bricks; there are 7 rows of micro-cooling protection bricks, and the two types of bricks are arranged indirectly.

7. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The cooling water pipe has a circular reinforcing iron plate, which is fastened to the cooling wall by bolts and connected to the water pipe by welding; a water pipe reinforcement pipe is provided on the upper surface of the circular reinforcing iron plate; the water pipe reinforcement pipe is sleeved around the cooling water pipe and fastened to the copper cooling wall by passing through the reinforcing iron plate with bolts.

8. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 7, characterized in that: The water pipe reinforcement pipe is provided with a cover plate outside, which connects the water pipe and the water pipe reinforcement pipe. The inner surface is connected to the water pipe reinforcement pipe through a thread, and the upper end is welded to the water pipe.

9. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The cooling water channel is located inside the body and is surrounded by a circular protective pipe sleeve.

10. The water-tube-reinforced micro-cooler and brick-inlaid copper cooling stave structure according to claim 1, characterized in that: The cold surface of the copper cooling stave body is provided with grooves for installing transverse reinforcing ribs and vertical reinforcing ribs.