Lightweight long-neck flange for pressure vessel

Abstract

The utility model relates to the technical field of pressure vessel components, and discloses a light-weight long-neck flange for a pressure vessel, which comprises a flange plate mechanism, a long-neck sleeve is arranged at the top end of the flange plate mechanism, the flange plate mechanism comprises two flange sheets, and the two flange sheets are symmetrically arranged up and down. A same connecting sleeve is fixedly connected between the side walls of the opposite sides of the center positions of the two flange pieces, and a set of reinforcing matching sleeves are fixedly connected between the side walls of the opposite sides of the two flange pieces and located on the outer side of the connecting sleeve. The double-layer flange plate mechanism design is adopted, the flange plate mechanism comprises the two flange pieces, the two flange pieces are connected through the connecting sleeve, and meanwhile the hollow reinforcing matching sleeve and the hollow reinforcing embedding sleeve are arranged for connecting and reinforcing the two flange pieces. The overall structural strength of the overall flange plate mechanism is improved on the basis of light-weight design, and the durability of the overall long-neck flange is good after the overall long-neck flange is assembled and installed in a matched mode of the pressure container.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel components, in particular to a lightweight long-neck flange for a pressure vessel. Background Art

[0002] Pressure vessels are divided into reaction vessels, heat transfer vessels, separation vessels and storage and transportation containers according to their uses. From the perspective of safety supervision, pressure vessels are classified into three categories according to their danger and hazard. Category 1 containers: low-pressure containers for non-flammable or non-toxic media and low-pressure heat transfer containers and separation containers for flammable or toxic media. Category 2 containers: medium-pressure containers for media; low-pressure containers for highly toxic media; low-pressure reaction containers and storage and transportation containers for flammable or toxic media. Category 3 containers, such as: high-pressure and ultra-high-pressure containers. Among them, pressure vessels require lightweight long-neck flanges when in use.

[0003] The utility model with prior art announcement number CN203979704U relates to a long-neck flange, including a flange plate and a long-neck tube, wherein the flange plate and the long-neck tube are an integral structure, a through-hole structure is provided between the flange plate and the long-neck tube, and the inner wall is a smooth arc surface, and a chamfer is provided at the connection between the flange plate and the long-neck tube, and the chamfer is an arc angle. The ratio of the thickness of the flange plate to the height of the long-neck tube is 1:25, which can increase the construction length and facilitate connection for special purposes, and the flange plate itself has high strength, strong durability and good use effect.

[0004] However, the above device still has the following problems when used: when it is used in a pressure vessel, since its overall flange adopts a lightweight structural design and is an integrated molding structure design, it is impossible to ensure the structural strength of the overall flange while taking into account its lightweight. That is, after the pressure vessel is assembled and installed, the durability of its overall long-neck flange is general. Utility Model Content

[0005] 1. Technical problems solved:

[0006] In view of the deficiencies of the prior art, the utility model provides a lightweight long-neck flange for a pressure vessel, which solves the problems raised by the background technology.

[0007] (II) Technical solution:

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight long-neck flange for a pressure vessel, including a flange mechanism, a long-neck sleeve is arranged at the top of the flange mechanism, the flange mechanism includes two flange plates, the two flange plates are arranged symmetrically in an upper and lower shape, a same connecting sleeve is fixedly connected between the side walls on the side facing each other at the center position of the two flange plates, a group of reinforcing matching sleeves are fixedly connected between the side walls on the side facing each other and located on the outside of the connecting sleeve, a through hole is opened between the center positions of the upper and lower side walls of the reinforcing matching sleeve, the two flange plates and a connecting sleeve are coaxially arranged, the two flange plates and the middle hole of a connecting sleeve have the same aperture, and the two flange plates are fixedly connected with the same reinforcing fitting sleeve in the middle hole of a connecting sleeve.

[0009] As a further solution of the utility model: a gasket is concentrically arranged on the periphery of the bottom wall of the bottom flange and the reinforcing chimeric sleeve, the top wall of the reinforcing chimeric sleeve is kept flush with the top wall of the top flange, and the bottom wall of the reinforcing chimeric sleeve is kept flush with the bottom wall of the gasket.

[0010] As a further solution of the utility model: six matching holes are opened at equal angles between the upper and lower side walls of the flange, a group of the reinforcement matching sleeves consists of six and are arranged at equal angles, and the six reinforcement matching sleeves are arranged equidistantly and staggered with the six matching holes on the same plane.

[0011] As a further solution of the utility model: the bottom wall of the long neck sleeve is fixedly connected to the top flange, the long neck sleeve and the two flanges are coaxially arranged, and six reinforcement blocks are fixedly connected at equal angles below the outer side wall of the long neck sleeve, and the bottom walls of the six reinforcement blocks are fixedly connected to the top flange.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a double-layer flange mechanism design is adopted, wherein the flange mechanism includes two flanges, and the two flanges are connected by a connecting sleeve. A hollow reinforcement matching sleeve and a reinforcement interlocking sleeve are provided to reinforce the connection between the two flanges. The overall flange mechanism improves the overall structural strength on the basis of lightweight design. After the pressure vessel is assembled and installed, the overall long-neck flange has good durability.

[0014] 2. In the utility model, a group of reinforcement blocks are arranged between the long neck sleeve and the flange mechanism for connection reinforcement. That is, in addition to the connection between the long neck sleeve and the flange mechanism, a plurality of reinforcement blocks are arranged on the outside for auxiliary connection reinforcement, so the connection between the long neck sleeve and the flange mechanism is not prone to breakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1The overall three-dimensional Figure 1 ;

[0016] Figure 2 The overall three-dimensional Figure 2 ;

[0017] Figure 3 This is a three-dimensional diagram of the flange mechanism of the utility model;

[0018] Figure 4 This is a disassembled stereoscopic diagram of the flange mechanism assembly of the present invention.

[0019] In the figure: 1. flange mechanism; 2. long neck sleeve; 3. reinforcement block; 11. flange; 12. connecting sleeve; 13. matching hole; 14. reinforcement matching sleeve; 15. through hole; 16. reinforcement fitting sleeve; 17. gasket. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a lightweight long-neck flange for a pressure vessel includes a flange mechanism 1, a long-neck sleeve 2 is arranged at the top of the flange mechanism 1, the flange mechanism 1 includes two flange pieces 11, the two flange pieces 11 are arranged symmetrically up and down, the same connecting sleeve 12 is fixedly connected between the side walls facing each other at the center position of the two flange pieces 11, a group of reinforcement matching sleeves 14 are fixedly connected between the side walls facing each other at the two flange pieces 11 and located outside the connecting sleeve 12, a through hole 15 is opened between the center positions of the upper and lower side walls of the reinforcement matching sleeve 14, the two flange pieces 11 and a connecting sleeve 12 are coaxially arranged, and the two flanges The hole diameter of the plate 11 is the same as that of a connecting sleeve 12. The two flange plates 11 are fixedly connected with the same reinforcing interlocking sleeve 16 in the hole of a connecting sleeve 12. The overall double-layer flange mechanism 1 design is adopted. The flange mechanism 1 includes two flange plates 11, and the two flange plates 11 are connected by a connecting sleeve 12. At the same time, a hollow reinforcing matching sleeve 14 and a reinforcing interlocking sleeve 16 are provided to reinforce the connection between the two flange plates 11. The overall flange mechanism 1 improves the overall structural strength on the basis of lightweight design. After the pressure vessel is assembled and installed, the overall long-neck flange has good durability.

[0022] A gasket 17 is concentrically arranged around the bottom wall of the bottom flange 11 and the reinforcing fitting sleeve 16. The top wall of the reinforcing fitting sleeve 16 is kept flush with the top wall of the top flange 11, and the bottom wall of the reinforcing fitting sleeve 16 is kept flush with the bottom wall of the gasket 17, thereby ensuring the flatness.

[0023] Six matching holes 13 are provided at equal angles between the upper and lower side walls of the flange 11, a group of six reinforcement matching sleeves 14 are provided at equal angles, and the six reinforcement matching sleeves 14 are provided at equal intervals and staggered with the six matching holes 13 on the same plane. The same bolt can be arranged through the two matching holes 13 overlapping each other in the two flanges 11, and then six bolts can be arranged to carry out the combined installation of the integral long neck flange and the corresponding parts of the pressure vessel.

[0024] The bottom wall of the long neck sleeve 2 is fixedly connected to the top flange 11, the long neck sleeve 2 and the two flanges 11 are coaxially arranged, and six reinforcement blocks 3 are fixedly connected at equal angles to the lower side outer wall of the long neck sleeve 2. The bottom walls of the six reinforcement blocks 3 are fixedly connected to the top flange 11, and a group of reinforcement blocks 3 are arranged between the long neck sleeve 2 and the flange mechanism 1 for connection and reinforcement. That is, in addition to the connection between the long neck sleeve 2 and the flange mechanism 1, since a plurality of reinforcement blocks 3 are arranged on the outside for auxiliary connection and reinforcement, the connection between the long neck sleeve 2 and the flange mechanism 1 is not easy to break.

[0025] The working principle of the utility model is: the same bolt can be arranged through two matching holes 13 of two flange plates 11 that overlap each other, and then six bolts can be arranged to carry out the combined installation of the integral long-neck flange and the corresponding parts of the pressure vessel. The overall double-layer flange mechanism 1 design is adopted, and the flange mechanism 1 includes two flange plates 11, and the two flange plates 11 are connected by a connecting sleeve 12. At the same time, a hollow reinforcement matching sleeve 14 and a reinforcement interlocking sleeve 16 are provided to connect and reinforce the two flange plates 11. The overall flange mechanism 1 improves the overall structural strength on the basis of lightweight design. In addition, a group of reinforcement blocks 3 are provided between the long neck sleeve 2 and the flange mechanism 1 for connection and reinforcement. That is, in addition to the connection between the long neck sleeve 2 and the flange mechanism 1, since a plurality of reinforcement blocks 3 are provided on the outside for auxiliary connection and reinforcement, the connection between the long neck sleeve 2 and the flange mechanism 1 is not easy to break. After the integral long neck flange is assembled and installed for the pressure vessel, the durability of the integral long neck flange is good.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lightweight long neck flange for a pressure vessel, including a flange mechanism (1); Features: A long neck sleeve (2) is arranged at the top of the flange mechanism (1), and the flange mechanism (1) comprises two flange plates (11), and the two flange plates (11) are arranged in an upper and lower symmetrical shape; A same connecting sleeve (12) is fixedly connected between the side walls facing each other at the center of the two flanges (11), and a set of reinforcing matching sleeves (14) is fixedly connected between the side walls facing each other at the center of the two flanges (11) and outside the connecting sleeves (12); The two flanges (11) and a connecting sleeve (12) are coaxially arranged, the center holes of the two flanges (11) and the connecting sleeve (12) have the same diameter, and the two flanges (11) and the connecting sleeve (12) are fixedly connected by a same reinforcing insert sleeve (16) in the center holes.

2. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: A gasket (17) is provided concentrically around the bottom wall of the flange (11) at the bottom and the reinforcing fitting sleeve (16).

3. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: The top wall of the reinforcing chimeric sleeve (16) is kept flush with the top wall of the top flange (11), and the bottom wall of the reinforcing chimeric sleeve (16) is kept flush with the bottom wall of the gasket (17).

4. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: Six matching holes (13) are provided at equal angles between the upper and lower side walls of the flange (11).

5. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: A group of the reinforcement matching sleeves (14) consists of six pieces which are arranged at equal angles. The six reinforcement matching sleeves (14) are arranged in an equidistant and staggered manner with the six matching holes (13) on the same plane. A through hole (15) is provided between the center positions of the upper and lower side walls of the reinforcement matching sleeves (14).

6. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: The bottom wall of the long neck sleeve (2) is fixedly connected to the top flange (11), and the long neck sleeve (2) and the two flanges (11) are arranged coaxially.

7. The lightweight long neck flange for a pressure vessel according to claim 1, characterized in that: Six reinforcement blocks (3) are fixedly connected at equal angles below the outer peripheral wall of the long neck sleeve (2), and the bottom walls of the six reinforcement blocks (3) are fixedly connected to the top flange (11).

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