Bundling pipe

Abstract

The utility model relates to the field of bundling pipes, in particular to a bundling pipe which comprises an outer pipe, an inner pad is fixed on the inner wall of the outer pipe, multiple stages of grooves are formed in the bottom of the outer wall of the outer pipe and the bottom of the outer wall of the inner pad, the outer wall of the inner side of the inner pad is slidably connected with a separation disc, and separation holes distributed at equal intervals are formed in the outer wall of the separation disc. An inner pipe is slidably connected into the separation hole, first connecting assemblies are arranged at the two ends of the inner pipe, and second connecting assemblies are arranged on the outer walls of the two ends of the outer pipe. The second connecting assembly comprises reinforcing grooves formed in the three sides of the outer walls of the two ends of the outer pipe at equal intervals, reinforcing rods placed in the reinforcing grooves and threaded grooves formed in the outer walls of the two ends of the outer pipe and the outer walls of the reinforcing rods. The two outer pipes coincide with each other, the connecting sleeve is moved into the threaded groove, the connecting sleeve is rotated to move to the center of the joint of the two outer pipes, the vertical and reverse strength of the outer pipes is enhanced in cooperation with the reinforcing rods, the strength of the joint is improved, and connection and combination are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cluster tubes, in particular to a cluster tube. Background Art

[0002] The cluster bottom blowing gun is composed of 48 cluster tubes with an outer diameter of 4mm and an inner diameter of 2mm, which are evenly distributed on the furnace bottom brick with an area of ​​0.01 square meters. The air is supplied through the fine holes in the center of the cluster tubes, and the air supply cross-sectional area is 151mm. 2 Due to the over-concentrated distribution, the thickness of the refractory material between two adjacent ring tubes is only 3-4mm. During operation, the refractory material is easily damaged and peeled off by the impact of molten steel and scrap steel, and the erosion speed is fast. Utility Model Content

[0003] The purpose of the utility model is to propose a cluster tube in view of the above-mentioned problems and shortcomings: according to the characteristics of the current cluster tube bottom blowing bricks, such as thin refractory thickness, easy damage and peeling, and fast erosion, the number of steel pipes is reduced, the diameter of the steel pipe is increased, the thickness of the refractory between adjacent pipes is increased, the strength and erosion resistance of the double-blown bricks are improved, thereby improving the service life of the cluster bottom blowing bricks.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A cluster tube, comprising an outer tube, the inner wall of the outer tube is fixed by an inner pad, and the outer wall bottoms of the outer tube and the inner pad are provided with multi-level grooves, the inner outer wall of the inner pad is slidably connected to a separation plate, and the outer wall of the separation plate is provided with separation holes distributed at equal distances, the separation holes are slidably connected to an inner tube, and two ends of the inner tube are provided with a connection component 1, and the outer walls of the two ends of the outer tube are provided with a connection component 2;

[0006] According to the above scheme: based on the bottom blowing gas supply pressure and flow rate, without changing the air permeable cross-sectional area of ​​the bottom blowing bricks, the existing design scheme of cluster tubes with a root inner diameter of mm is cancelled and replaced with cluster tubes with a root inner diameter of mm and mm, which can realize full furnace service double blowing, with obvious application effect, slowing down furnace bottom erosion and reducing the risk of furnace leakage;

[0007] The second connection component comprises reinforcement grooves equidistantly arranged on three sides of the outer wall at both ends of the outer tube, reinforcement rods placed in the reinforcement grooves, and threaded grooves arranged on the outer walls at both ends of the outer tube and the outer walls of the reinforcement rods.

[0008] Preferably, the outer wall of the outer tube is slidably connected to a connecting sleeve, and the connecting sleeve is threaded in the thread groove.

[0009] Preferably, the cross-section of the connecting sleeve is a hexagonal structure, and the outer wall of the connecting sleeve is provided with mounting grooves distributed at equal distances, and a lever is screwed in the mounting groove.

[0010] Preferably, the first connection assembly comprises an insertion tube welded to the outer wall of one end of the inner tube, a sealing ring sleeved on the outer wall of one end of the insertion tube, and an insertion groove opened at the other end of the inner tube, and the insertion groove is adapted to the insertion tube;

[0011] According to the above scheme: the outer tube is connected to the inner tube, the insertion tube at one end of the inner tube is inserted into the insertion groove of the other inner tube until the two outer tubes overlap each other, the connecting sleeve is moved to the threaded groove, and the connecting sleeve is rotated to move it to the center of the connection between the two outer tubes. The reinforcing rod is used to enhance the vertical reverse strength of the outer tube, improve the strength of the connection, and facilitate connection and combination.

[0012] Preferably, a sliding protrusion is welded at the center of the bottom outer wall of the separation plate, and the sliding protrusion is adapted to the multi-stage groove, and the multi-stage groove is a stepped structure.

[0013] Preferably, the separation plate is located on the inner outer wall of the separation hole and is bonded with a protective pad, and the inner tube is slidably connected to the inner outer wall of the protective pad.

[0014] Preferably, the two ends of the outer tube are adapted to each other, and the connecting sleeve is located at the center of the connection between the two outer tubes.

[0015] The beneficial effects of the utility model are:

[0016] 1. According to the bottom blowing gas supply pressure and flow rate, without changing the air permeable cross-sectional area of ​​the bottom blowing bricks, the existing 48 cluster tubes with an inner diameter of 2mm are cancelled and replaced with 28 cluster tubes with inner diameters of 2mm and 3mm. This can achieve full furnace re-blowing, with obvious application effects, slowing down furnace bottom erosion and reducing the risk of furnace leakage.

[0017] 2. Connect the outer tube to the inner tube, insert the insertion tube at one end of the inner tube into the insertion groove of the other inner tube until the two outer tubes overlap each other, move the connecting sleeve to the threaded groove, rotate the connecting sleeve to move it to the center of the connection between the two outer tubes, and cooperate with the reinforcing rod to enhance the vertical reverse strength of the outer tube, improve the strength of the connection, and facilitate connection and combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a cluster tube proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the unfolded structure of a cluster tube proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of an outer tube of a cluster tube proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of a partition plate structure of a cluster tube.

[0022] In the figure: 1 outer tube, 2 inner pad, 3 multi-stage groove, 4 partition plate, 5 partition hole, 6 inner tube, 7 connecting component one, 8 connecting component two, 9 sliding protrusion, 10 insertion tube, 11 sealing ring, 12 insertion groove, 13 reinforcement groove, 14 reinforcement rod, 15 threaded groove, 16 connecting sleeve, 17 mounting groove, 18 lever. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1:

[0025] Reference Figure 1-2 and Figure 4 A cluster tube, comprising an outer tube 1, the inner wall of the outer tube 1 is fixed by an inner pad 2, and a multi-level groove 3 is provided at the bottom of the outer wall of the outer tube 1 and the inner pad 2, the inner outer wall of the inner pad 2 is slidably connected by a separation plate 4, and the outer wall of the separation plate 4 is provided with equidistantly distributed separation holes 5, the separation holes 5 are slidably connected by an inner tube 6, and the two ends of the inner tube 6 are provided with a connection component 1 7, and the outer walls of the two ends of the outer tube 1 are provided with a connection component 2 8;

[0026] A sliding protrusion 9 is welded at the center of the bottom outer wall of the separation plate 4, and the sliding protrusion 9 is adapted to the multi-stage groove 3, and the multi-stage groove 3 is a stepped structure;

[0027] The separation plate 4 is located on the inner outer wall of the separation hole 5 and is bonded with a protective pad, and the inner tube 6 is slidably connected to the inner outer wall of the protective pad. Multiple separation plates 4 are slidably connected inside the outer tube 1, and the sliding protrusions 9 at the bottom of the separation plate 4 are respectively adapted to the stepped multi-level grooves 3 to facilitate the separation of the separation plates 4.

[0028] Embodiment 2:

[0029] Reference Figure 1-4 The second connection component 8 includes reinforcement grooves 13 equidistantly provided on three sides of the outer wall of the two ends of the outer tube 1, reinforcement rods 14 placed in the reinforcement grooves 13, and threaded grooves 15 provided on the outer walls of the two ends of the outer tube 1 and the outer walls of the reinforcement rods 14. The reinforcement rods 14 on the outer wall of the outer tube 1 cooperate with the connection sleeves 16 to improve the vertical reverse strength of the connection after the outer tubes are connected, thereby improving the overall strength and facilitating the connection;

[0030] The outer wall of the outer tube 1 is slidably connected to a connecting sleeve 16, and the connecting sleeve 16 is screwed into the thread groove 15;

[0031] The cross-section of the connecting sleeve 16 is a hexagonal structure, and the outer wall of the connecting sleeve 16 is provided with equally spaced mounting grooves 17, in which a lever 18 is screwed, and the connecting sleeve 16 is screwed in the threaded groove 15 of the outer tube, and the lever 18 is installed in the mounting groove 17. The connecting sleeve 16 is screwed in the threaded groove 15 by rotating it using the lever principle, which is labor-saving. The connecting sleeve 16 can also be rotated using tools by using the hexagonal structure on the surface of the connecting sleeve 16, which is convenient for use and connection.

[0032] The connection assembly 17 includes an insertion tube 10 welded to the outer wall of one end of the inner tube 6, a sealing ring 11 sleeved on the outer wall of one end of the insertion tube 10, and an insertion groove 12 opened at the other end of the inner tube 6. The insertion groove 12 is adapted to the insertion tube 10. The insertion tube 10 at one end of the inner tube 6 is inserted into the insertion groove 12 of the other end. The sealing ring 11 on the insertion tube 10 seals the connected inner tube 6 to facilitate sealing and avoid air leakage.

[0033] The two ends of the outer tube 1 are adapted to each other, and the connecting sleeve 16 is located at the center of the connection between the two outer tubes 1 .

[0034] Working principle: When in use, the outer tube 1 and one end of the inner tube 6 are connected to the bottom blowing brick, and the partition plate 4 on the inner wall of the outer tube separates and arranges the inner tubes so that the inner tube 6 is adapted to and connected with the hole of the bottom blowing brick. The equipment is used to convey gas through the inner tube 6, and the gas is blown out from the bottom blowing brick through the inner tube 6. According to the bottom blowing gas supply pressure and flow, without changing the air permeable cross-sectional area of ​​the bottom blowing brick, the existing 48 cluster tubes with an inner diameter of 2mm are cancelled and replaced with 28 cluster tubes with inner diameters of 2mm and 3mm. After redesigning and selecting the cluster tube diameter and refractory materials, full furnace service can be achieved. The combined blowing has obvious application effect, which can slow down the erosion of the furnace bottom and reduce the risk of furnace leakage. The outer tube 1 and the inner tube 6 need to be connected with multiple roots during installation. The two outer tubes 1 are aligned with the inner tube 6, and the two are fed into each other so that the insertion tube 10 at one end of the inner tube 6 is inserted into the insertion groove 12 of the other inner tube 6 until the two outer tubes 1 overlap with each other. The reinforcing rod 14 is placed in the reinforcing groove 13, and the outer wall of the outer tube 1 is inserted into the connecting sleeve 16. The connecting sleeve 16 is moved to the threaded groove 15, and the connecting sleeve 16 is rotated to move it to the center of the connection between the two outer tubes 1, and the reinforcing rod 14 is cooperated to enhance the vertical reverse strength of the outer tube 1.

[0035] The exemplary implementation of the utility model is described in detail with reference to the examples, however, it is understood by those skilled in the art that, without departing from the concept of the utility model, various modifications and alterations may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the utility model may be made without exceeding the scope of protection of the utility model, which is determined by the attached claims. The foregoing description of the specific exemplary implementation of the utility model is not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary implementations of the utility model and various different choices and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A cluster tube, comprising an outer tube (1), characterized in that: The inner wall of the outer tube (1) is fixed by an inner pad (2), and a multi-level groove (3) is provided at the bottom of the outer walls of the outer tube (1) and the inner pad (2), the inner outer wall of the inner pad (2) is slidably connected by a separation plate (4), and the outer wall of the separation plate (4) is provided with separation holes (5) distributed at equal distances, the separation holes (5) are slidably connected by an inner tube (6), and the two ends of the inner tube (6) are provided with a connection component one (7), and the outer walls of the two ends of the outer tube (1) are provided with a connection component two (8); The second connection component (8) comprises reinforcement grooves (13) equidistantly arranged on three sides of the outer wall at both ends of the outer tube (1), a reinforcement rod (14) placed in the reinforcement grooves (13), and threaded grooves (15) arranged on the outer walls at both ends of the outer tube (1) and the outer walls of the reinforcement rod (14).

2. A cluster tube according to claim 1, characterized in that: The outer wall of the outer tube (1) is slidably connected to a connecting sleeve (16), and the connecting sleeve (16) is threaded in the thread groove (15).

3. The cluster tube according to claim 2, characterized in that: The cross section of the connecting sleeve (16) is a hexagonal structure, and the outer wall of the connecting sleeve (16) is provided with mounting grooves (17) distributed at equal distances, and a lever (18) is screwed into the mounting groove (17).

4. The cluster tube according to claim 1, characterized in that: The connecting assembly (7) comprises an insertion tube (10) welded to the outer wall of one end of the inner tube (6), a sealing ring (11) sleeved on the outer wall of one end of the insertion tube (10), and an insertion groove (12) provided at the other end of the inner tube (6), wherein the insertion groove (12) is adapted to the insertion tube (10).

5. The cluster tube according to claim 1, characterized in that: A sliding protrusion (9) is welded at the center of the bottom outer wall of the separation plate (4), and the sliding protrusion (9) is matched with the multi-stage groove (3), and the multi-stage groove (3) is a stepped structure.

6. The cluster tube according to claim 1, characterized in that: The separation plate (4) is located on the inner outer wall of the separation hole (5) and is bonded with a protective pad, and the inner tube (6) is slidably connected to the inner outer wall of the protective pad.

7. The cluster tube according to claim 1, characterized in that: The two ends of the outer tube (1) are adapted to each other, and the connecting sleeve (16) is located at the center of the connection between the two outer tubes (1).

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