Internal connecting pipe for continuously measuring temperature of molten steel

Abstract

The utility model discloses a molten steel continuous temperature measurement internal connection pipe which comprises a molten steel continuous temperature measurement internal connection pipe body, an insertion groove is formed in the bottom of the molten steel continuous temperature measurement internal connection pipe body, an inner pipe in threaded connection with the insertion groove is arranged in the insertion groove, and two installation mechanisms are arranged between the molten steel continuous temperature measurement internal connection pipe body and the inner pipe. Mounting holes are formed in the outer wall of the molten steel continuous temperature measurement inner connecting pipe body, two mounting holes are formed in the surface of the molten steel continuous temperature measurement inner connecting pipe body, and the material of the molten steel continuous temperature measurement inner connecting pipe body is sequentially provided with a first anti-oxidation layer, a base layer and a second anti-oxidation layer from the outer wall to the inner wall. The connection mode between the molten steel continuous temperature measurement internal connection pipe body and the inner pipe is changed into threaded connection, the contact area of the two is increased, the two can be fixed through the cross bolt, and the connection of the two is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of inner pipes, in particular to an inner pipe for continuous temperature measurement of molten steel. Background Art

[0002] The existing continuous temperature measuring tube for molten steel consists of an outer tube, an inner tube placed inside the outer tube, and a connecting tube connecting the inner tube and the outer tube; the continuous temperature measuring tube for molten steel can realize continuous and accurate measurement of the temperature of molten steel in the tundish.

[0003] When assembling the existing internal pipe for continuous temperature measurement of molten steel, for example, the prior art discloses a new type of assembly structure for continuous temperature measurement of molten steel with application number CN201520727885.5. Generally, the internal pipe is installed with the outer pipe and the inner pipe by screws. There is a problem that the contact between the internal pipe and the pipe body is only fixed by screws, which easily causes the screws to be damaged by large force. In order to solve the above problem, an internal pipe for continuous temperature measurement of molten steel is proposed in the present application. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a kind of internal pipe for continuous temperature measurement of molten steel is proposed, which increases the contact area between the internal pipe body and the inner pipe for continuous temperature measurement of molten steel by changing the connection mode between the internal pipe body and the inner pipe to a threaded connection, and the two can be fixed by setting a cross bolt, and the two are firmly connected.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A continuous temperature measurement internal pipe for molten steel, comprising a continuous temperature measurement internal pipe body for molten steel, a slot being provided at the bottom of the continuous temperature measurement internal pipe body for molten steel, an inner pipe being threadedly connected thereto being provided in the slot, two mounting mechanisms being provided between the continuous temperature measurement internal pipe body for molten steel and the inner pipe, a rotating external thread being provided on the outer wall of the continuous temperature measurement internal pipe body for molten steel, two mounting holes being provided on the surface of the continuous temperature measurement internal pipe body for molten steel, and a first anti-oxidation layer, a base layer and a second anti-oxidation layer being provided in sequence from the outer wall to the inner wall of the continuous temperature measurement internal pipe body for molten steel.

[0007] Preferably, the mounting mechanism comprises a threaded mounting hole provided on the surface of the inner tube body of the molten steel continuous temperature measurement tube, a cross bolt is threadedly connected to the threaded mounting hole, a positioning hole is provided on the upper surface of the inner tube, and the cross bolt is inserted into the positioning hole.

[0008] Preferably, the inner wall of the slot is provided with an internal thread, and the outer wall of the inner tube is provided with an external thread matching the internal thread.

[0009] Preferably, the first anti-oxidation layer is made of anti-oxidation coating.

[0010] Preferably, the base layer is made of metal ceramic.

[0011] Preferably, the material of the second anti-oxidation layer is polymer graphene coating.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By changing the connection mode between the internal pipe body of the molten steel continuous temperature measurement and the inner pipe to a threaded connection, the contact area between the two is increased, making the connection between the two stable.

[0014] 2. By setting the first anti-oxidation layer, the base layer and the second anti-oxidation layer, the first anti-oxidation layer and the second anti-oxidation layer play a role in isolating oxygen, and the paint and the polymer graphene coating have good thermal conductivity.

[0015] In summary, by changing the connection mode between the internal pipe body and the inner tube of the molten steel continuous temperature measurement to a threaded connection, the contact area between the two is increased, and by setting a cross bolt, the two can be fixed and the connection between the two is firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an internal pipe for continuous temperature measurement of molten steel proposed by the utility model;

[0017] Figure 2 This is a structural schematic diagram of removing the inner tube from the inner tube for continuous temperature measurement of molten steel proposed by the utility model;

[0018] Figure 3 This is a structural schematic diagram of an inner tube in an inner tube for continuous temperature measurement of molten steel proposed by the utility model;

[0019] Figure 4 The utility model provides a material cross-sectional view of a molten steel continuous temperature measurement internal pipe body in the molten steel continuous temperature measurement internal pipe.

[0020] In the figure: 1 inner tube body of continuous temperature measurement of molten steel, 2 slot, 3 inner tube, 4 threaded mounting hole, 5 cross bolt, 6 positioning hole, 7 rotating external thread, 8 mounting hole, 9 first anti-oxidation layer, 10 base layer, 11 second anti-oxidation layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 4A continuous temperature measurement internal pipe for molten steel includes an internal pipe body 1 for continuous temperature measurement of molten steel. A slot 2 is provided at the bottom of the internal pipe body 1 for continuous temperature measurement of molten steel. An inner pipe 3 threadedly connected to the internal pipe 3 is provided in the slot 2. An inner wall of the slot 2 is provided with an inner thread. An outer wall of the inner pipe 3 is provided with an outer thread matching the inner thread. Two installation mechanisms are provided between the internal pipe body 1 for continuous temperature measurement of molten steel and the inner pipe 3. The installation mechanisms can be used to install and fix the internal pipe body 1 for continuous temperature measurement of molten steel and the inner pipe 3.

[0023] The installation mechanism includes a threaded installation hole 4 opened on the surface of the internal pipe body 1 for continuous temperature measurement of molten steel, and a cross bolt 5 is threadedly connected to the threaded installation hole 4. The threaded installation hole 4 cooperates with the positioning hole 6. A positioning hole 6 is opened on the upper surface of the inner tube 3, and the cross bolt 5 is inserted into the positioning hole 6. The threaded connection between the internal pipe body 1 for continuous temperature measurement of molten steel and the inner tube 3 increases the connection area and ensures a stable connection.

[0024] The outer wall of the internal pipe body 1 for continuous temperature measurement of molten steel is provided with a rotating external thread 7, and two mounting holes 8 are provided on the surface of the internal pipe body 1 for continuous temperature measurement of molten steel. The internal pipe body 1 for continuous temperature measurement of molten steel is inserted into the opening of the outer pipe and threadedly connected with it, and the installation and fixation between the internal pipe body 1 for continuous temperature measurement of molten steel and the outer pipe is completed by inserting screws into the mounting holes 8.

[0025] The material of the internal pipe body 1 for continuous temperature measurement of molten steel is provided with a first anti-oxidation layer 9, a base layer 10 and a second anti-oxidation layer 11 from the outer wall to the inner wall. The material of the first anti-oxidation layer 9 is an anti-oxidation coating, which is a paint and has the effect of isolating oxygen. The material of the base layer 10 is a metal ceramic, which has good thermal conductivity and can connect temperature changes in time. The material of the second anti-oxidation layer 11 is a polymer graphene coating, which has the effect of isolating oxygen, and the paint and the polymer graphene coating have good thermal conductivity and do not affect the transfer of heat.

[0026] In the utility model, when it is necessary to install the internal pipe body 1 for continuous temperature measurement of molten steel and the inner tube 3, the inner tube 3 is inserted into the slot 2, and the contact area between the internal pipe body 1 for continuous temperature measurement of molten steel and the inner tube 3 is increased by threaded connection between the internal pipe body 1 for continuous temperature measurement of molten steel and the inner tube 3, and the threaded mounting hole 4 is rotated into the cross bolt 5 until the threaded mounting hole 4 is inserted into the positioning hole 6 to complete the installation and fixation between the internal pipe body 1 for continuous temperature measurement of molten steel and the inner tube 3; the internal pipe body 1 for continuous temperature measurement of molten steel and the outer tube are threadedly connected, the internal pipe body 1 for continuous temperature measurement of molten steel is connected to the top of the outer tube, and the two are threadedly connected by the rotating external thread 7 provided on the outer wall of the internal pipe body 1 for continuous temperature measurement of molten steel and the internal thread provided on the inner wall of the outer tube, and the screw provided on the outer tube is rotated into the mounting hole 8 to complete the installation and fixation between the internal pipe body 1 for continuous temperature measurement of molten steel and the outer tube, and the connection area between the two is increased to make the connection between the two stable.

[0027] The utility model solves the problem in the prior art that the inner pipe and the pipe body are only fixed by screws, which easily causes the screws to be damaged due to large force, by changing the connection mode between the inner pipe body and the inner pipe to a threaded connection.

Claims

1. A molten steel continuous temperature measurement internal pipe, comprising a molten steel continuous temperature measurement internal pipe body (1), characterized in that: The bottom of the internal pipe body (1) for continuous temperature measurement of molten steel is provided with a slot (2), the slot (2) is provided with an inner pipe (3) threadedly connected thereto, two mounting mechanisms are provided between the internal pipe body (1) for continuous temperature measurement of molten steel and the inner pipe (3), the outer wall of the internal pipe body (1) for continuous temperature measurement of molten steel is provided with a rotating outer thread (7), the surface of the internal pipe body (1) for continuous temperature measurement of molten steel is provided with two mounting holes (8), and the material of the internal pipe body (1) for continuous temperature measurement of molten steel is provided with a first anti-oxidation layer (9), a base layer (10) and a second anti-oxidation layer (11) in sequence from the outer wall to the inner wall.

2. The internal pipe for continuous temperature measurement of molten steel according to claim 1, characterized in that: The mounting mechanism comprises a threaded mounting hole (4) formed on the surface of an inner tube body (1) for continuous temperature measurement of molten steel, a cross bolt (5) being threadedly connected to the threaded mounting hole (4), a positioning hole (6) being formed on the upper surface of the inner tube (3), and the cross bolt (5) being inserted into the positioning hole (6).

3. The internal pipe for continuous temperature measurement of molten steel according to claim 1, characterized in that: The inner wall of the slot (2) is provided with an internal thread, and the outer wall of the inner tube (3) is provided with an external thread matching the internal thread.

4. The internal pipe for continuous temperature measurement of molten steel according to claim 1, characterized in that: The material of the first anti-oxidation layer (9) is anti-oxidation paint.

5. The internal pipe for continuous temperature measurement of molten steel according to claim 1, characterized in that: The material of the base layer (10) is metal ceramic.

6. The internal pipe for continuous temperature measurement of molten steel according to claim 1, characterized in that: The material of the second anti-oxidation layer (11) is polymer graphene coating.

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