Dumping type scouring-resistant furnace nozzle device

Abstract

The invention provides a dumping type scouring-resistant furnace nozzle device which comprises a furnace nozzle body, a bent flow guide groove is formed in the rear end of the upper portion of the furnace nozzle body, a discharging groove communicated with the bent flow guide groove is formed in the front end of the upper portion of the furnace nozzle body, first baffles are integrally formed at the left end and the right end of the upper portion of the furnace nozzle body correspondingly, and a first slope block is fixedly connected to the front end of the lower portion of the furnace nozzle body. The front end of the lower portion of the first slope block is fixedly connected with a second slope block, the front end of the lower portion of the second slope block is fixedly connected with a third slope block, the outer side of the furnace nozzle body is coated with a refractory material layer, the outer side of the refractory material layer is coated with a heat insulation layer, and the outer side of the heat insulation layer is coated with a steel structure layer. By means of the design, the problems that a traditional furnace nozzle is prone to scouring erosion, short in service life and high in replacement and maintenance cost when high-temperature molten metal is poured for a long time are solved, the structure is reasonable, practicability is good, the scouring resistance is improved through the multi-layer composite structure, meanwhile, molten metal turbulence can be reduced through the bent design of the flow guide grooves, scouring force is reduced, and the service life is prolonged.

Description

Technical Field

[0001] This invention is a tilting, erosion-resistant furnace nozzle device, belonging to the field of metallurgical equipment technology. Background Technology

[0002] Furnace nozzles are key components of high-temperature equipment in industries such as metallurgy, glass, and chemicals. They are mainly used for directional flow guidance, flow control, media isolation, and thermal energy management of molten metal or glass.

[0003] Traditional furnace nozzles are susceptible to erosion when pouring high-temperature molten metal over long periods, resulting in short service life and high replacement and maintenance costs. There is an urgent need for a tilting, erosion-resistant furnace nozzle device to solve these problems. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a tilting, erosion-resistant furnace nozzle device to solve the problems mentioned in the background section. The present invention has a reasonable structure and good practicality. It adopts a multi-layer composite structure to improve erosion resistance, while the curved design of the guide channel can reduce turbulence of molten metal, reduce erosion force, and extend service life.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a tilting erosion-resistant furnace nozzle device, comprising a furnace nozzle body, a curved guide groove provided at the upper rear end of the furnace nozzle body, a discharge groove communicating with the curved guide groove provided at the upper front end of the furnace nozzle body, first baffles integrally formed at the upper left and right ends of the furnace nozzle body, a first inclined block fixedly connected to the lower front end of the furnace nozzle body, a second inclined block fixedly connected to the lower front end of the first inclined block, a third inclined block fixedly connected to the lower front end of the second inclined block, a refractory material layer covering the outer side of the furnace nozzle body, a heat insulation layer covering the outer side of the refractory material layer, and a steel structural layer covering the outer side of the heat insulation layer.

[0006] Furthermore, the front end of the nozzle body is integrally formed with a second baffle on both the left and right sides, and the two second baffles are fixedly connected to the first inclined block, the second inclined block and the third inclined block respectively.

[0007] Furthermore, a rectangular block is fixedly connected to the lower rear end of the burner body, and high-strength square plates are fixedly connected to the left and right sides of the rectangular block respectively. Multiple mounting holes are provided on the front side of the two high-strength square plates respectively.

[0008] Furthermore, the connections between the two second baffles and the first inclined block, the second inclined block, and the third inclined block are respectively filled with high-temperature resistant sealant.

[0009] Furthermore, the steel structural layer is made of 310S stainless steel, the heat insulation layer is made of ceramic fiber board, and the refractory material layer is made of silicon nitride bonded to silicon carbide.

[0010] Furthermore, the slope heights of the first inclined block, the second inclined block, and the third inclined block decrease proportionally.

[0011] The beneficial effects of this invention: The tilting erosion-resistant furnace nozzle device of this invention, due to the addition of a rectangular block, furnace nozzle body, first baffle, second baffle, first inclined block, second inclined block, third inclined block, refractory material layer, heat insulation layer, steel structure layer, high-strength square plate and mounting holes, has shown through our design improvements and actual use that this device has a reasonable structure and good practicality. The multi-layer composite structure improves the erosion resistance, and the curved design of the guide channel can reduce the turbulence of molten metal, reduce the erosion force, and extend the service life. Attached Figure Description

[0012] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0013] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a tilting erosion-resistant furnace nozzle device of the present invention from a first angle;

[0014] Figure 2 This is a three-dimensional schematic diagram of the overall structure of the tilting erosion-resistant furnace nozzle device of the present invention from a second angle;

[0015] Figure 3 This invention relates to a tilting, erosion-resistant furnace nozzle device. Figure 1 A three-dimensional schematic diagram of the structure after removing the second baffle;

[0016] Figure 4 This is a three-dimensional cross-sectional view of a tilting, erosion-resistant furnace nozzle device according to the present invention.

[0017] Figure 5 This is a schematic diagram showing the distribution of the refractory material layer, heat insulation layer, and steel structural layer of a tilting erosion-resistant furnace nozzle device according to the present invention.

[0018] In the figure: 1-rectangular block, 2-furnace nozzle body, 3-curved guide channel, 4-first baffle, 5-second baffle, 6-first inclined block, 7-second inclined block, 8-third inclined block, 9-discharge chute, 10-refractory material layer, 11-insulation layer, 12-steel structure layer, 13-high-strength square plate, 14-mounting hole. Detailed Implementation

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] Please see Figure 1-Figure 5This invention provides a technical solution: a tilting, erosion-resistant furnace nozzle device, comprising a furnace nozzle body 2, a curved guide groove 3 at the upper rear end of the furnace nozzle body 2, a discharge groove 9 communicating with the curved guide groove 3 at the upper front end of the furnace nozzle body 2, first baffles 4 integrally formed at the upper left and right ends of the furnace nozzle body 2, a first inclined block 6 fixedly connected to the lower front end of the furnace nozzle body 2, a second inclined block 7 fixedly connected to the lower front end of the first inclined block 6, a third inclined block 8 fixedly connected to the lower front end of the second inclined block 7, a refractory material layer 10 covering the outer side of the furnace nozzle body 2, a heat insulation layer 11 covering the outer side of the refractory material layer 10, and a steel structural layer 12 covering the outer side of the heat insulation layer 11. This design solves the problems of traditional furnace nozzles being easily eroded and corroded during long-term pouring of high-temperature molten metal, having a short service life, and high replacement and maintenance costs.

[0021] In the first embodiment of the present invention: A second baffle 5 is integrally formed on the left and right sides of the front end of the nozzle body 2. The two second baffles 5 are fixedly connected to the first inclined block 6, the second inclined block 7, and the third inclined block 8, respectively. The two second baffles 5 facilitate the obstruction and limiting of fluid flow. A rectangular block 1 is fixedly connected to the lower rear end of the nozzle body 2. High-strength square plates 13 are fixedly connected to the left and right sides of the rectangular block 1. Multiple mounting holes 14 are provided on the front sides of the two high-strength square plates 13, facilitating the installation of the device. The connections between the two second baffles 5 and the first inclined block 6, the second inclined block 7, and the third inclined block 8 are filled with high-temperature resistant sealant. Filling the connections between the two second baffles 5 and the first inclined block 6, the second inclined block 7, and the third inclined block 8 with high-temperature resistant sealant improves the sealing performance of the connections and prevents fluid leakage. The steel structural layer 12 is made of 310S stainless steel, the heat insulation layer 11 is made of ceramic fiber board, and the refractory material layer 10 is made of silicon nitride bonded silicon carbide. The heights of the first inclined block 6, the second inclined block 7, and the third inclined block 8 decrease proportionally. By setting the heights of the first inclined block 6, the second inclined block 7, and the third inclined block 8 to decrease proportionally, it is easier to buffer the fluid and extend the service life of the burner nozzle.

[0022] As a second embodiment of the present invention: In use, the present invention is first connected to an external device via bolts and multiple mounting holes 14, so that the fluid outlet is aligned with the curved guide channel 3. When the fluid falls into the curved guide channel 3, under the action of gravity, the fluid flows along the curved guide channel 3 to the discharge channel 9. During the flow of the fluid along the curved guide channel 3, the curved design of the curved guide channel 3 can effectively reduce fluid turbulence and reduce scouring force. The fluid flows from the discharge channel 9 to the first inclined block 6. Under the stepped buffer structure formed by the first inclined block 6, the second inclined block 7 and the third inclined block 8, the outlet can be prevented from being eroded, and the service life can be extended.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tilting, erosion-resistant furnace nozzle device, comprising a furnace nozzle body (2), characterized in that: The upper rear end of the nozzle body (2) is provided with a curved guide groove (3), the upper front end of the nozzle body (2) is provided with a discharge groove (9) that communicates with the curved guide groove (3), and the upper left and right ends of the nozzle body (2) are respectively integrally formed with a first baffle (4). A first inclined block (6) is fixedly connected to the lower front end of the nozzle body (2), a second inclined block (7) is fixedly connected to the lower front end of the first inclined block (6), a third inclined block (8) is fixedly connected to the lower front end of the second inclined block (7), a refractory material layer (10) is covered on the outside of the nozzle body (2), a heat insulation layer (11) is covered on the outside of the refractory material layer (10), and a steel structure layer (12) is covered on the outside of the heat insulation layer (11).

2. The tilting erosion-resistant furnace nozzle device according to claim 1, characterized in that: The front end of the burner body (2) is integrally formed with second baffles (5) on the left and right sides respectively. The two second baffles (5) are fixedly connected to the first inclined block (6), the second inclined block (7) and the third inclined block (8) respectively.

3. The tilting erosion-resistant furnace nozzle device according to claim 1, characterized in that: A rectangular block (1) is fixedly connected to the lower rear end of the burner body (2). High-strength square plates (13) are fixedly connected to the left and right sides of the rectangular block (1). Multiple mounting holes (14) are provided on the front side of the two high-strength square plates (13).

4. The tilting erosion-resistant furnace nozzle device according to claim 2, characterized in that: The connections between the two second baffles (5) and the first inclined block (6), the second inclined block (7) and the third inclined block (8) are respectively filled with high-temperature resistant sealant.

5. The tilting erosion-resistant furnace nozzle device according to claim 1, characterized in that: The steel structural layer (12) is made of 310S stainless steel.

6. The tilting erosion-resistant furnace nozzle device according to claim 1, characterized in that: The heat insulation layer (11) is a ceramic fiber board, and the refractory material layer (10) is silicon nitride bonded silicon carbide.

7. The tilting erosion-resistant furnace nozzle device according to claim 1, characterized in that: The slope heights of the first inclined block (6), the second inclined block (7), and the third inclined block (8) decrease proportionally.

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