Integrally-formed furnace cover based on 3D printing

Abstract

The utility model discloses an integrally formed furnace cover based on 3D printing, which comprises a furnace cover body, a heat insulation layer and a cooling layer are formed in the furnace cover body, a plurality of straight partition plates are vertically arranged in the cooling layer, arc-shaped partition plates are further arranged between the adjacent straight partition plates, and the arc-shaped partition plates are arranged in the furnace cover body. The arc-shaped partition plates divide the adjacent straight partition plates into inner cooling cavities and outer cooling cavities, connecting holes are formed in the middles of the surfaces of the arc-shaped partition plates, the two ends of the connecting holes communicate with the inner cooling cavities and the outer cooling cavities correspondingly, a water inlet cavity is formed in one end of the cooling layer, and water inlet holes are formed in the surface of the water inlet cavity. The furnace cover is integrally formed through the 3D printing technology, machining procedures are reduced, the manufacturing speed is increased, and the manufacturing difficulty is lowered; the interior of the furnace cover is divided into a heat insulation layer and a cooling layer, a plurality of cavities are formed in the cooling layer, cooling water circulates in the cavities to cool the furnace cover, heat leakage can be reduced through cooperation of the heat insulation layer and the cooling layer, and the cooling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-making furnaces, in particular to an integrated furnace cover based on 3D printing. Background Art

[0002] Steelmaking furnaces can generally be divided into three types: converters, open hearth furnaces and electric furnaces. Steel is obtained by placing pig iron for steelmaking into a steelmaking furnace and melting it according to a certain process. Existing steelmaking generally uses electric furnaces for steelmaking. Electric arc furnaces are electric furnaces that use the high temperature generated by electrode arcs to melt ores and metals. When gas discharge forms an arc, the energy is very concentrated. For melting metals, electric arc furnaces have greater process flexibility than other steelmaking furnaces, can effectively remove impurities such as sulfur and phosphorus, the furnace temperature is easy to control, and the equipment occupies a small area. It is widely used in the metallurgical industry. Electric arc furnaces generally include a furnace body, a furnace cover and electrodes, and the furnace cover is generally a water-cooled furnace cover.

[0003] The existing water-cooled furnace cover has many cavities and grooves, and the furnace cover needs to be polished and grooved during the manufacturing process. There are many manufacturing steps, which is time-consuming and labor-intensive. Therefore, an integrated furnace cover based on 3D printing is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the existing technology, the utility model provides an one-piece furnace cover based on 3D printing, which solves the problems that the existing water-cooled furnace cover has more cavity grooves, and the furnace cover needs to be polished, grooved and other processes during the manufacturing process, which has many manufacturing steps, is time-consuming and labor-intensive.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an integrated furnace cover based on 3D printing, comprising a furnace cover body, a heat insulation layer and a cooling layer are formed inside the furnace cover body, a plurality of straight partitions are vertically arranged inside the cooling layer, and an arc partition is also arranged between adjacent straight partitions, the arc partition divides the adjacent straight partitions into an inner cooling cavity and an outer cooling cavity, a connecting hole is opened in the middle of the surface of the arc partition, and the two ends of the connecting hole are respectively connected with the inner cooling cavity and the outer cooling cavity, a water inlet cavity is formed at one end of the cooling layer, and a water inlet hole is opened on the surface of the water inlet cavity, a water outlet cavity is formed at the other end of the cooling layer, and a water outlet hole is opened on the surface of the water outlet cavity, a water inlet pipe is vertically arranged on one side of the top surface of the furnace cover body, and the water inlet pipe is connected to the water inlet hole, and a water outlet pipe is vertically arranged on the other side of the top surface of the furnace cover body, and the water outlet pipe is connected to the water outlet hole.

[0008] As a further preferred embodiment of the utility model, a connecting groove is provided at the bottom of the furnace cover body, a sealing groove is provided on the inner wall of the connecting groove and the sealing groove is an annular structure, and a sealing ring is provided inside the sealing groove.

[0009] As a further preferred embodiment of the present invention, a guide slope is formed at the bottom edge of the connecting groove.

[0010] As a further preferred embodiment of the present invention, inner water guide holes and outer water guide holes are provided at both ends of the straight partition, and the inner water guide holes and the outer water guide holes are alternately distributed.

[0011] As a further preferred embodiment of the present invention, a boss is formed in the middle of the top surface of the furnace cover body, the boss is columnar and has a plug hole penetrating the furnace cover body on its surface.

[0012] As a further preferred embodiment of the present invention, a plurality of support columns are evenly arranged inside the thermal insulation layer.

[0013] As a further preferred embodiment of the present invention, the furnace cover body is integrally formed by 3D printing.

[0014] (III) Beneficial effects

[0015] The utility model provides an integrated furnace cover based on 3D printing. It has the following beneficial effects:

[0016] The utility model adopts 3D printing technology to form the furnace cover in one piece, which reduces the processing steps, improves the production speed and reduces the production difficulty; the interior of the furnace cover is divided into a heat insulation layer and a cooling layer, a plurality of cavities are formed in the cooling layer, and cooling water flows in the cavity to cool the furnace cover, and the heat insulation layer cooperates with the cooling layer to reduce heat leakage and improve the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of the one-piece furnace cover based on 3D printing described in the utility model;

[0018] Figure 2 This is a cross-sectional view of the one-piece furnace cover based on 3D printing described in the utility model;

[0019] Figure 3 This is a diagram of the internal structure of the cooling layer of the utility model.

[0020] In the figure: 1. furnace cover body; 2. water inlet pipe; 3. boss; 4. socket; 5. water outlet pipe; 6. thermal insulation layer; 7. support column; 8. sealing groove; 9. connecting groove; 10. sealing ring; 11. cooling layer; 12. guide slope; 13. water guide hole; 14. arc partition; 15. straight partition; 16. water inlet hole; 17. inner cooling cavity; 18. outer cooling cavity; 19. water outlet hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The embodiment of the utility model provides a technical solution: an integrated furnace cover based on 3D printing, comprising a furnace cover body 1, a heat insulation layer 6 and a cooling layer 11 are formed inside the furnace cover body 1, a plurality of straight partitions 15 are vertically arranged inside the cooling layer 11, and an arc partition 14 is further arranged between adjacent straight partitions 15, and the arc partition 14 divides the adjacent straight partitions 15 into an inner cooling cavity 17 and an outer cooling cavity 18, and a connecting hole is opened in the middle of the surface of the arc partition 14, and the two ends of the connecting hole are respectively connected to the inner cooling cavity 17 and the outer cooling cavity 18. 8 is connected, a water inlet cavity is formed at one end of the cooling layer 11, and a water inlet hole 16 is opened on the surface of the water inlet cavity, a water outlet cavity is formed at the other end of the cooling layer 11, and a water outlet hole 19 is opened on the surface of the water outlet cavity, a water inlet pipe 2 is vertically arranged on one side of the top surface of the furnace cover body 1, and the water inlet pipe 2 is connected to the water inlet hole 16, and a water outlet pipe 5 is vertically arranged on the other side of the top surface of the furnace cover body 1, and the water outlet pipe 5 is connected to the water outlet hole 19, the cooling water enters through the water inlet pipe 2 and flows in the cooling layer 11, and is discharged from the water outlet pipe 5 after circulation, and the heat insulation layer 6 can be used to improve the heat insulation effect.

[0023] As a further improvement, a connecting groove 9 is provided at the bottom of the furnace cover body 1, a sealing groove 8 is provided on the inner wall of the connecting groove 9 and the sealing groove 8 is an annular structure, and a sealing ring 10 is provided inside the sealing groove 8. The sealing ring 10 has a certain sealing effect and reduces heat loss from the connection between the furnace body and the furnace cover.

[0024] As a further improvement, a guide slope 12 is formed at the bottom edge of the connecting groove 9 to facilitate the furnace cover body 1 to cover the upper end of the furnace body.

[0025] As a further improvement, inner water guide holes 13 and outer water guide holes 13 are opened at both ends of the flat partition plate 15 and the inner water guide holes 13 and the outer water guide holes 13 are alternately distributed, and the cooling water circulates repeatedly in the inner cooling cavity 17 and the outer cooling cavity 18.

[0026] As a further improvement, a boss 3 is formed in the middle of the top surface of the furnace cover body 1. The boss 3 is columnar and has a plug hole 4 penetrating the furnace cover body 1 on its surface. The plug hole 4 is used to fix the electrode.

[0027] As a further improvement, a plurality of support columns 7 are evenly arranged inside the heat insulation layer 6, and the support columns 7 support the heat insulation layer 6 to improve the structural strength of the furnace cover.

[0028] As a further improvement, the furnace cover body 1 is integrally formed by 3D printing to reduce the difficulty of processing.

[0029] Working principle: Cover the furnace cover body 1 on the upper end of the furnace body, and place the sealing ring 10 close to the furnace body to improve the sealing performance and reduce heat loss. When in use, cool water is introduced into the water inlet pipe 2. After the cool water enters the water inlet cavity, it flows between the inner cooling cavity 17 and the outer cooling cavity 18, bringing out the internal temperature and then being discharged from the water outlet pipe 5, which can achieve heat insulation effect and utilize heat energy at the same time.

[0030] The components of the utility model, 1, furnace cover body; 2, water inlet pipe; 3, boss; 4, jack; 5, water outlet pipe; 6, heat insulation layer; 7, support column; 8, sealing groove; 9, connecting groove; 10, sealing ring; 11, cooling layer; 12, guide slope; 13, water guide hole; 14, arc partition; 15, straight partition; 16, water inlet hole; 17, inner cooling cavity; 18, outer cooling cavity; 19, water outlet hole, are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. The problem solved by the type is that the existing water-cooled furnace cover has many cavities and grooves, and the furnace cover needs to be polished, grooved and other processes during the manufacturing process. There are many manufacturing steps, it takes a long time and the workload is large. The utility model combines the above-mentioned components with each other. The furnace cover of the utility model is integrally formed using 3D printing technology, which reduces the processing steps, increases the manufacturing speed and reduces the manufacturing difficulty; the interior of the furnace cover is divided into a heat insulation layer 6 and a cooling layer 11, and a plurality of cavities are formed in the cooling layer 11. Cooling water flows in the cavity to cool the furnace cover. The heat insulation layer 6 cooperates with the cooling layer 11 to reduce heat leakage and improve the cooling effect.

[0031] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A one-piece furnace cover based on 3D printing, comprising a furnace cover body (1), characterized in that: The furnace cover body (1) is provided with a heat insulating layer (6) and a cooling layer (11) inside. A plurality of straight partitions (15) are vertically arranged inside the cooling layer (11). An arc partition (14) is further arranged between adjacent straight partitions (15). The arc partition (14) divides the adjacent straight partitions (15) into an inner cooling cavity (17) and an outer cooling cavity (18). A connecting hole is provided in the middle of the surface of the arc partition (14), and both ends of the connecting hole are respectively connected to the inner cooling cavity (17). ) is connected to an external cooling cavity (18), a water inlet cavity is formed at one end of the cooling layer (11), and a water inlet hole (16) is provided on the surface of the water inlet cavity, a water outlet cavity is formed at the other end of the cooling layer (11), and a water outlet hole (19) is provided on the surface of the water outlet cavity, a water inlet pipe (2) is vertically arranged on one side of the top surface of the furnace cover body (1), and the water inlet pipe (2) is connected to the water inlet hole (16), and a water outlet pipe (5) is vertically arranged on the other side of the top surface of the furnace cover body (1), and the water outlet pipe (5) is connected to the water outlet hole (19).

2. The one-piece furnace cover based on 3D printing according to claim 1, characterized in that: A connecting groove (9) is provided at the bottom of the furnace cover body (1), a sealing groove (8) is provided on the inner wall of the connecting groove (9), and the sealing groove (8) is an annular structure, and a sealing ring (10) is provided inside the sealing groove (8).

3. The one-piece furnace cover based on 3D printing according to claim 2, characterized in that: A guide slope (12) is formed at the bottom edge of the connecting groove (9).

4. The one-piece furnace cover based on 3D printing according to claim 1, characterized in that: The two ends of the straight partition plate (15) are provided with inner water guide holes (13) and outer water guide holes (13), and the inner water guide holes (13) and the outer water guide holes (13) are alternately distributed.

5. The one-piece furnace cover based on 3D printing according to claim 1, characterized in that: A boss (3) is formed in the middle of the top surface of the furnace cover body (1); the boss (3) is columnar and has a plug hole (4) penetrating the furnace cover body (1) on its surface.

6. The one-piece furnace cover based on 3D printing according to claim 1, characterized in that: A plurality of support columns (7) are evenly arranged inside the heat insulation layer (6).

7. The one-piece furnace cover based on 3D printing according to claim 1, characterized in that: The furnace cover body (1) is integrally formed by 3D printing.

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