High-strength composite crystallizer copper pipe

Abstract

The utility model relates to the technical field of crystallizer copper pipes, in particular to a high-strength composite crystallizer copper pipe which comprises a crystallizer copper pipe body, an expansion groove is formed in the inner ring face of the crystallizer copper pipe body, a reserved groove is formed in one end of the crystallizer copper pipe body, and a plurality of through holes are formed in the outer ring face of the crystallizer copper pipe body. A supporting ring is installed in the reserved groove, and a reserved hole is formed in the surface of the supporting ring. The high-strength composite crystallizer copper pipe has the advantages that the arc-shaped expanded face grooves are formed in the inner ring face of the crystallizer copper pipe body, the contact area between the crystallizer copper pipe body and molten steel is increased, the cooling efficiency and the solidification speed can be improved, meanwhile, molten steel flowing can be evenly distributed, flowing resistance is reduced, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to crystallizer copper pipe technical field, specifically is a kind of high-strength composite crystallizer copper pipe. BACKGROUND

[0002] In the steel continuous casting process, crystallizer copper pipe is as the core component of continuous casting machine, directly undertake the cooling and solidification task of molten steel.

[0003] Traditional crystallizer copper pipe design often only focuses on its basic function, i.e. providing a smooth inner wall to guide the flow of molten steel and form a shell quickly.

[0004] However, with the continuous progress of continuous casting technology and the increasing requirement for continuous casting quality, the traditional crystallizer copper pipe design has been difficult to meet the production demand of high efficiency and high quality. SUMMARY

[0005] The utility model aims at providing a kind of high-strength composite crystallizer copper pipe to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength composite crystallizer copper pipe, including crystallizer copper pipe body, the inner ring surface of the crystallizer copper pipe body is equipped with face expansion groove, the one end of crystallizer copper pipe body is provided with reserved slot, the outer ring surface of crystallizer copper pipe body is provided with multiple through holes, the inside of reserved slot is installed with support ring, and the surface of support ring is provided with reserved hole.

[0007] Preferably, the face expansion groove is a circular arc groove, and multiple face expansion grooves are arranged along the inner ring surface of the crystallizer copper pipe body.

[0008] Preferably, the reserved slot is an annular groove, the through hole and the reserved slot are communicated, the support ring is fixed in the reserved slot, and multiple support rings are distributed equidistantly and equally in the reserved slot.

[0009] Preferably, the reserved hole is an oblong hole, multiple reserved holes are arranged equidistantly and equally along the inner ring port of the support ring.

[0010] Preferably, the other end of the crystallizer copper pipe body is inserted and fixed with a connecting handle, the connecting handle is a "T" shaped circular tube, and a gas collector is arranged between the connecting handle and the crystallizer copper pipe body.

[0011] Preferably, multiple air holes one are arranged on the surface of the gas collector, multiple air holes two are arranged on the other end of the crystallizer copper pipe body, the air holes two and the air holes one are one-to-one corresponding and communicated, and a connecting head is inserted and fixed on the surface of the gas collector.

[0012] Preferably, sealing rings are fixed between the gas collecting pipe and the crystallizer copper pipe body, and two sealing rings are arranged on both sides of the connection between the gas collecting pipe and the crystallizer copper pipe body.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The high-strength composite crystallizer copper pipe has multiple circular-arc flared grooves arranged on the inner ring surface of the crystallizer copper pipe body, which increases the contact area with molten steel, helps to improve the cooling efficiency and solidification speed, uniformly distributes the molten steel flow, reduces the flow resistance, and reduces the energy consumption. A ring-shaped reserved groove is formed at one end of the crystallizer copper pipe body, and multiple equidistant and equal-sized supporting rings are installed in the reserved groove. The surface of the supporting ring is provided with an oblong hole as a reserved hole, which is in communication with the through hole outside the reserved groove to form a heat dissipation channel. This design not only increases the heat dissipation area, but also cools the inside of the reserved groove through external air blowing, further improving the cooling efficiency. Meanwhile, the supporting effect of the supporting ring enhances the overall compressive strength of the crystallizer copper pipe, prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural side view of the utility model;

[0017] Figure 3 It is Figure 2 A-A structure sectional view of the utility model;

[0018] Figure 4 It is Figure 3 A structure enlarged schematic view of the utility model;

[0019] Figure 5 It is Figure 3 A structure enlarged schematic view of the utility model;

[0020] Figure 6 It is a supporting ring structure schematic view of the utility model.

[0021] In the drawing: crystallizer copper pipe body 1, flared groove 2, reserved groove 3, through hole 4, supporting ring 5, reserved hole 6, gas collecting pipe 7, air hole 8, sealing ring 9, connecting ring 10, connecting handle 11, connecting head 12. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only use to explain the embodiment of the utility model, and do not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor are within the scope of the utility model protection.

[0023] Please refer to Figures 1 to 6 The utility model provides a technical scheme: a kind of high-strength composite crystallizer copper pipe, including crystallizer copper pipe body 1, the inner ring surface of the crystallizer copper pipe body 1 is equipped with face expansion groove 2, the face expansion groove 2 is circular arc slot, face expansion groove 2 is equipped with multiple, multiple face expansion groove 2 is arranged along the inner ring surface of crystallizer copper pipe body 1 distribution;Why multiple face expansion groove 2 is arranged in the inner ring surface of crystallizer copper pipe body 1 is to increase the contact area of crystallizer copper pipe body 1 and molten steel passing through the inside of crystallizer copper pipe body 1;Crystallizer copper pipe body 1 one end is equipped with reserved slot 3, the outer ring surface of crystallizer copper pipe body 1 is equipped with multiple through holes 4, the inside of reserved slot 3 is installed with support ring 5, the surface of support ring 5 is equipped with reserved hole 6, reserved slot 3 is annular groove, through hole 4 and reserved slot 3 are communicated, support ring 5 is fixed in reserved slot 3, support ring 5 is equipped with multiple, multiple support ring 5 is equidistantly and equally sized distribution in reserved slot 3;Reserved hole 6 is long round hole, reserved hole 6 is equipped with multiple, multiple reserved hole 6 is equidistantly and equally sized arranged distribution along the inner ring mouth of support ring 5;Why one end of crystallizer copper pipe body 1 is equipped with reserved slot 3 is to constitute heat dissipation channel in the pipe wall of crystallizer copper pipe body 1, i.e.

[0024] The other end of the crystallizer copper pipe body 1 is inserted and fixed with a connecting handle 11, the connecting handle 11 is a "T" shaped pipe, a gas collecting pipe 7 is arranged between the connecting handle 11 and the crystallizer copper pipe body 1; a plurality of air holes one 8 are arranged on the surface of the gas collecting pipe 7, the other end of the crystallizer copper pipe body 1 is provided with air holes two, the air holes two and the air holes one 8 are one-to-one corresponding, and the air holes two and the air holes one 8 are communicated, the connecting head 12 is inserted and fixed on the surface of the gas collecting pipe 7; the sealing rings 9 are fixed between the gas collecting pipe 7 and the crystallizer copper pipe body 1, the sealing rings 9 are two, the two sealing rings 9 are respectively distributed on the two sides of the connecting place of the gas collecting pipe 7 and the crystallizer copper pipe body 1; and the connecting ring 10 is fixed and connected between the gas collecting pipe 7 and the crystallizer copper pipe body 1, the connecting firmness of the gas collecting pipe 7 and the crystallizer copper pipe body 1 is improved; the reason why the gas collecting pipe 7 is additionally arranged at the end of the crystallizer copper pipe body 1 is that after the external gas pipe is connected to the connecting head 12, the gas is transported into the reserved groove 3, and the gas blowing and cooling in the reserved groove 3 are realized.

[0025] The detailed process of using the high-strength composite crystallizer copper pipe is as follows:

[0026] Confirm the integrity of the copper pipe: check whether the crystallizer copper pipe body 1 has cracks, wear or deformation, and ensure that the structure of the expansion groove 2, the reserved groove 3, the through hole 4 and the like is intact. Check the accessories: confirm that the support ring 5, the gas collecting pipe 7, the sealing ring 9, the connecting ring 10, the connecting handle 11 and the connecting head 12 and the like are complete and meet the quality standards. Clean the inner and outer surfaces of the crystallizer copper pipe body 1 with appropriate cleaning agent to remove oil stains and impurities, and ensure good sealing and heat conductivity.

[0027] Confirm the position of the reserved groove 3 to ensure that the support ring 5 can be correctly installed. Put the support ring 5 into the reserved groove 3 one by one, ensure that the reserved hole 6 of the support ring 5 is aligned with the through hole 4, and gently knock it with appropriate tools (such as hammer, wooden hammer) until it is completely embedded to avoid damaging the reserved groove 3. Uniformly apply a layer of sealant on the contact surface of the gas collecting pipe 7 and the crystallizer copper pipe body 1 to enhance the sealing effect. Align the gas collecting pipe 7 with the other end of the crystallizer copper pipe body 1, ensure that the air holes one 8 and the air holes two are aligned and communicated. Install the sealing rings 9 on both sides of the gas collecting pipe 7, and then use the connecting ring 10 to tightly fix the gas collecting pipe 7 and the crystallizer copper pipe body 1, and appropriately tighten them with a screwdriver or wrench. Insert and fix the connecting head 12 at the predetermined position of the gas collecting pipe 7 to ensure firm connection. Connect one end of the external gas pipe to the connecting head 12 to ensure tight connection without leakage. Open the gas supply source of the external gas pipe, adjust the gas flow and pressure to the appropriate range. Check the temperature of the crystallizer copper pipe body 1 and the reserved groove 3 regularly through the thermometer or other monitoring equipment to ensure the effect of gas blowing and cooling. After ensuring that the crystallizer copper pipe body 1 and its accessories are correctly installed and the temperature is appropriate, prepare for molten steel pouring. According to the process requirements, slowly pour the molten steel into the crystallizer copper pipe body 1, and pay attention to observe the flow state of the molten steel and the temperature change of the crystallizer copper pipe body 1.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.

Claims

1. A high-strength composite crystalliser copper tube comprising a crystalliser copper tube body (1), characterised in that: The inner annular surface of the crystallizer copper pipe body (1) is provided with an expanded surface groove (2), one end of the crystallizer copper pipe body (1) is provided with a reserved groove (3), the outer annular surface of the crystallizer copper pipe body (1) is provided with a plurality of through holes (4), the inside of the reserved groove (3) is provided with a supporting ring (5), and the surface of the supporting ring (5) is provided with a reserved hole (6).

2. A high strength composite crystallizer copper tube according to claim 1, characterized in that: The expanded surface groove (2) is a circular arc groove, and a plurality of expanded surface grooves (2) are arranged along the inner annular surface of the crystallizer copper pipe body (1).

3. A high strength composite crystallizer copper tube according to claim 1, characterized in that: The reserved groove (3) is an annular groove, the through hole (4) and the reserved groove (3) are communicated, the supporting ring (5) is fixed in the reserved groove (3), the supporting ring (5) is provided with a plurality of supporting rings (5), and the plurality of supporting rings (5) are distributed in the reserved groove (3) at equal distances and equal sizes.

4. A high strength composite crystallizer copper tube according to claim 1, characterized in that: The reserved hole (6) is an oblong hole, and a plurality of reserved holes (6) are arranged at equal distances and equal sizes along the inner annular port of the supporting ring (5).

5. A high strength composite crystallizer copper tube according to claim 1, characterized in that: The other end of the crystallizer copper pipe body (1) is inserted and fixed with a connecting handle (11), the connecting handle (11) is a "T" shaped circular pipe, and the connecting handle (11) and the crystallizer copper pipe body (1) are provided with a gas collecting pipe (7).

6. A high-strength composite crystallizer copper tube according to claim 5, characterized in that: The surface of the gas collecting pipe (7) is provided with a plurality of air holes (8), the other end of the crystallizer copper pipe body (1) is provided with an air hole two, the air hole two and the air hole (8) are communicated one by one, and the surface of the gas collecting pipe (7) is inserted and fixed with a connecting head (12).

7. A high-strength composite crystallizer copper tube according to claim 6, characterized in that: The gas collecting pipe (7) and the crystallizer copper pipe body (1) are fixed with a sealing ring (9), and the sealing ring (9) is provided with two, and the two sealing rings (9) are respectively distributed on the two sides of the connecting place of the gas collecting pipe (7) and the crystallizer copper pipe body (1).

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