Scouring-resistant collecting tube end socket

Abstract

The utility model discloses a washing-resistant collecting pipe end socket which comprises a barrel, an end socket body, a connecting pipe, a connecting flange, a blanking cap and corundum castable. The barrel is of a barrel-shaped structure with the two ends open, the outer wall of the barrel is of a cylindrical structure, the upper portion of the inner wall of the barrel is of a cone frustum structure, the upper end of the inner wall of the barrel is a small-opening end, a conical cavity is formed between the outer wall and the inner wall of the barrel, and the upper end of the conical cavity is open. The lower end of the sealing head is connected to the upper end of the outer wall of the cylinder body; the lower end of the connecting pipe is connected to the center of the upper end of the sealing head, and the upper end of the connecting flange is provided with a blanking cap; corundum castable is arranged in the end socket and the conical cavity. The problem that in the prior art, impurities carried by natural gas can conduct vortex scouring on the collecting pipe end socket, and consequently the collecting pipe end socket is thinned and even penetrates through is solved.

Description

Technical Field

[0001] The present application belongs to the technical field of manifold heads, and in particular relates to a scour-resistant manifold head. Background Art

[0002] In the field of natural gas steam reforming, the natural gas steam reforming process uses oilfield gas as raw material, and through a stage of steam reforming, generates reforming gas containing hydrogen, carbon monoxide and carbon dioxide, and then through methanol synthesis, generates MTO-grade methanol products. During the natural gas steam reforming production process, natural gas will carry impurities from upstream gas fields or impurities such as catalysts and refractory linings, which will generate eddy current scouring in the manifold head of the convection section of the reformer. Long-term operation will cause the manifold head to become thinner or even penetrate, posing a major hidden danger to the safe operation of the enterprise. Utility Model Content

[0003] The embodiment of the present application provides a scour-resistant manifold head, thereby solving the problem in the prior art that impurities carried by natural gas may cause eddy current scouring of the manifold head, resulting in thinning or even penetration of the manifold head.

[0004] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a scour-resistant manifold head, including a cylinder, a head, a connecting pipe, a connecting flange, a plug cover and a corundum castable;

[0005] The cylinder is a cylindrical structure with two ends open, the outer wall of the cylinder is a cylindrical structure, the upper part of the inner wall of the cylinder is a truncated cone structure, the upper end of the inner wall of the cylinder is a small mouth end, a conical cavity is formed between the outer wall and the inner wall of the cylinder, and the upper end of the conical cavity is open;

[0006] The sealing head is a cover structure with an opening at the lower end, and the lower end of the sealing head is connected to the upper end of the outer wall of the cylinder;

[0007] The connecting flange is installed at the upper end of the connecting pipe, the lower end of the connecting pipe is connected to the center of the upper end of the head, and the plugging cover is installed at the upper end of the connecting flange;

[0008] The corundum castable is arranged inside the sealing head and inside the conical cavity.

[0009] In a possible implementation, the upper end of the head is an arc structure, the lower end of the corundum castable in the head is provided with an arc surface, and the arc surface and the upper end of the inner wall of the cylinder are smoothly transitioned.

[0010] In a possible implementation, a liner is provided in the connecting pipe, the lower end of the liner passes through the end cap and the corundum castable in the end cap, and the corundum castable is provided in the liner.

[0011] In a possible implementation, a plurality of anchoring nails are evenly distributed in the corundum castable in the head, and the upper ends of the anchoring nails are connected to the inner wall of the head.

[0012] In a possible implementation, the anchoring nail includes a herringbone-shaped anchoring nail.

[0013] In a possible implementation, a first inner lining ring is installed at the lower end of the head, the first inner lining ring is an annular structure, the upper part of the first inner lining ring is connected to the inner wall of the lower end of the head, and the lower part of the first inner lining ring is connected to the inner side of the upper end of the outer wall of the cylinder.

[0014] In a possible implementation, a second liner ring is installed at the upper end of the inner wall of the cylinder, and the upper end of the second liner ring extends into the corundum castable in the head.

[0015] In a possible implementation, a ceramic fiber paper ring is arranged between the first inner liner ring and the second inner liner ring. The ceramic fiber paper ring is a circular ring surface, the outer side of the ceramic fiber paper ring is connected to the inner wall of the first inner liner ring, and the inner side of the ceramic fiber paper ring is connected to the outer wall of the second inner liner ring.

[0016] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:

[0017] The embodiment of the utility model provides a scouring-resistant manifold head. The utility model only needs to be simply modified on the basis of the existing natural gas steam reformer convection section module head system. By setting the cylinder, the head and the corundum castable inside, it can withstand the scouring of high-pressure and large-displacement gas carrying solid particles, and solves the problem in the prior art that the impurities carried by natural gas will swirl the manifold head, causing the manifold head to be thinned or even penetrated, thereby reducing the probability of leakage caused by the thinning or even penetration of the manifold head, thereby extending the service life of the equipment. The utility model has a reasonable design, a simple structure, and is easy to use, and is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic structural diagram of the erosion-resistant manifold head provided in an embodiment of the utility model.

[0020] Figure numerals: 1-cylinder; 2-conical cavity; 3-head; 4-connecting flange; 5-connecting pipe; 6-plugging cover; 7-corundum castable; 8-arc surface; 9-liner; 10-anchor nail; 11-first liner ring; 12-second liner ring; 13-ceramic fiber paper ring. 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 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] In the description of the embodiments of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limitations on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to the specific circumstances.

[0023] like Figure 1 As shown, the erosion-resistant manifold head provided by the embodiment of the utility model includes a cylinder 1, a head 3, a connecting pipe 5, a connecting flange 4, a plug cover 6 and a corundum castable 7.

[0024] The cylinder body 1 is a cylindrical structure with openings at both ends. The outer wall of the cylinder body 1 is a cylindrical structure. The upper part of the inner wall of the cylinder body 1 is a truncated cone structure. The upper end of the inner wall of the cylinder body 1 is a small mouth end. A conical cavity 2 is formed between the outer wall and the inner wall of the cylinder body 1, and the upper end of the conical cavity 2 is open.

[0025] The sealing head 3 is a cover structure with an opening at the lower end, and the lower end of the sealing head 3 is connected to the upper end of the outer wall of the cylinder 1 .

[0026] A connecting flange 4 is installed at the upper end of the connecting pipe 5 , the lower end of the connecting pipe 5 is connected to the center of the upper end of the head 3 , and a plugging cover 6 is installed at the upper end of the connecting flange 4 .

[0027] A corundum castable 7 is arranged inside the end cap 3 and inside the conical cavity 2 .

[0028] It should be noted that the corundum castable 7 is installed by coating, and the bottom of the conical cavity 2 is an arc-shaped transition structure. The utility model only needs to be simply modified on the basis of the existing natural gas steam reformer convection section module head 3 system. By setting the cylinder 1, the head 3 and the corundum castable 7 therein, it can withstand the scouring of high-pressure and large-displacement gas carrying solid particles, and solves the problem in the prior art that the impurities carried by natural gas will eddy-flow scour the manifold head 3, causing the manifold head 3 to be thinned or even penetrated, thereby reducing the probability of leakage caused by the thinning or even penetration of the manifold head 3, thereby extending the service life of the equipment. The utility model has a reasonable design, a simple structure, and is easy to use, and is easy to promote and use.

[0029] In this embodiment, the upper end of the head 3 is an arc structure, and the lower end of the corundum castable 7 in the head 3 is provided with an arc surface 8, and the arc surface 8 and the upper end of the inner wall of the cylinder 1 are smoothly transitioned.

[0030] In this embodiment, a liner 9 is provided in the connecting pipe 5 , the lower end of the liner 9 passes through the head 3 and the corundum castable 7 in the head 3 , and the liner 9 is provided with the corundum castable 7 .

[0031] In this embodiment, a plurality of anchoring nails 10 are evenly distributed in the corundum castable material 7 in the head 3 , and the upper ends of the anchoring nails 10 are connected to the inner wall of the head 3 .

[0032] In this embodiment, the anchoring nail 10 includes a herringbone-shaped anchoring nail.

[0033] It should be noted that the anchoring nails 10 can ensure the firm installation of the corundum castable 7 in the head 3 .

[0034] In this embodiment, a first inner lining ring 11 is installed at the lower end of the head 3. The first inner lining ring 11 is an annular structure. The upper part of the first inner lining ring 11 is connected to the inner wall of the lower end of the head 3, and the lower part of the first inner lining ring 11 is connected to the inner side of the upper end of the outer wall of the cylinder 1.

[0035] It should be noted that the first liner ring 11 is connected to the head 3 and the cylinder 1 by welding, so as to improve the overall strength thereof.

[0036] In this embodiment, a second liner ring 12 is installed at the upper end of the inner wall of the cylinder 1 , and the upper end of the second liner ring 12 extends into the corundum castable 7 in the head 3 .

[0037] It should be noted that the cylinder body 1 and the second inner liner ring 12 are connected by welding, and the second inner liner ring 12 further improves its overall strength.

[0038] In this embodiment, a ceramic fiber paper ring 13 is arranged between the first inner lining ring 11 and the second inner lining ring 12. The ceramic fiber paper ring 13 is a circular ring surface. The outer side of the ceramic fiber paper ring 13 is connected to the inner wall of the first inner lining ring 11, and the inner side of the ceramic fiber paper ring 13 is connected to the outer wall of the second inner lining ring 12.

[0039] It should be noted that the upper and lower parts of the ceramic fiber paper ring 13 are both provided with corundum castables 7, and the ceramic fiber paper ring 13 is installed in a plugging and compacting manner, and the ceramic fiber paper ring 13 plays a sealing role.

[0040] In this embodiment, it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiment, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiment should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A scour-resistant manifold head, characterized in that: It comprises a cylinder (1), a head (3), a connecting pipe (5), a connecting flange (4), a plugging cover (6) and a corundum castable (7); The cylinder (1) is a cylindrical structure with two ends open, the outer wall of the cylinder (1) is a cylindrical structure, the upper part of the inner wall of the cylinder (1) is a truncated cone structure, the upper end of the inner wall of the cylinder (1) is a small-mouth end, a conical cavity (2) is formed between the outer wall and the inner wall of the cylinder (1), and the upper end of the conical cavity (2) is open; The sealing head (3) is a cover structure with an opening at the lower end, and the lower end of the sealing head (3) is connected to the upper end of the outer wall of the cylinder (1); The connecting flange (4) is installed at the upper end of the connecting pipe (5), the lower end of the connecting pipe (5) is connected to the center of the upper end of the sealing head (3), and the plugging cover (6) is installed at the upper end of the connecting flange (4); The corundum castable (7) is arranged inside the sealing head (3) and inside the conical cavity (2).

2. The erosion-resistant manifold head according to claim 1, characterized in that: The upper end of the sealing head (3) is an arc structure, and the lower end of the corundum castable (7) in the sealing head (3) is provided with an arc surface (8), and the arc surface (8) and the upper end of the inner wall of the cylinder (1) are smoothly transitioned.

3. The erosion-resistant manifold head according to claim 1, characterized in that: A liner (9) is arranged in the connecting pipe (5), the lower end of the liner (9) passes through the head (3) and the corundum castable material (7) in the head (3), and the corundum castable material (7) is arranged in the liner (9).

4. The erosion-resistant manifold head according to claim 1, characterized in that: A plurality of anchoring nails (10) are evenly distributed in the corundum castable (7) in the head (3), and the upper ends of the anchoring nails (10) are connected to the inner wall of the head (3).

5. The erosion-resistant manifold head according to claim 4, characterized in that: The anchoring nail (10) comprises a herringbone-shaped anchoring nail.

6. The erosion-resistant manifold head according to claim 1, characterized in that: A first inner lining ring (11) is installed at the lower end of the head (3). The first inner lining ring (11) is an annular structure. The upper part of the first inner lining ring (11) is connected to the inner wall of the lower end of the head (3), and the lower part of the first inner lining ring (11) is connected to the inner side of the upper end of the outer wall of the cylinder (1).

7. The erosion-resistant manifold head according to claim 6, characterized in that: A second lining ring (12) is installed at the upper end of the inner wall of the cylinder (1), and the upper end of the second lining ring (12) extends into the corundum castable (7) in the head (3).

8. The erosion-resistant manifold head according to claim 7, characterized in that: A ceramic fiber paper ring (13) is arranged between the first inner liner ring (11) and the second inner liner ring (12); the ceramic fiber paper ring (13) is a circular ring surface; the outer side of the ceramic fiber paper ring (13) is connected to the inner wall of the first inner liner ring (11), and the inner side of the ceramic fiber paper ring (13) is connected to the outer wall of the second inner liner ring (12).

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