High-pressure-resistant flanged flange for polymerizer stirrer

By using technical means such as carbon steel materials and aluminum alloy sealing rings, the high-pressure and corrosion resistance of flange flanges are improved, and the leakage and corrosion problems of traditional flanges in high-pressure environments are solved, which extends the service life and reduces the Repair cost.

CN222277776UActive Publication Date: 2024-12-31WU XI HUA YI FLANGE CO LTD
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Patent Information

Application Number
CN202421043313.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2024-12-31
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

Traditional flange flanges are prone to leakage and damage in high-pressure environments, have insufficient sealing performance and poor corrosion resistance, resulting in a reduced service life of the polymer kettle agitator and an increase in maintenance costs.

Method used

High-pressure resistant flange flange using carbon steel material, combined with aluminum alloy sealing ring, reinforcement plate and anti-corrosion coating, enhance sealing performance, rigidity and corrosion resistance, and improve compressive resistance through heat treatment, design a removable connecting sleeve To reduce maintenance costs.

Benefits of technology

It significantly improves the high pressure resistance and corrosion resistance of the flange flange, enhances sealing performance, extends service life, reduces maintenance and replacement costs, and adapts to harsh environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flanges, and discloses a high-pressure-resistant flange for a polymerizer stirrer, which comprises a flange body made of carbon steel, and a connecting sleeve is arranged in the middle of the front end of the flange body. A sealing groove is formed in the outer portion of the connecting sleeve, a sealing ring is arranged in the sealing groove, a plurality of notches are formed in the sealing groove, a plurality of circular clamping blocks are arranged on the rear end wall of the sealing ring, the circular clamping blocks and the notches are arranged at the positions corresponding to each other, the sealing ring is placed in the sealing groove, the circular clamping blocks are clamped in the notches, and the sealing ring is limited. The sealing performance of the flange body is enhanced, the reinforcing rib plates on the rear portion of the flange body increase the overall rigidity and bearing capacity, and therefore the high pressure resistance is improved, the flange body is made of carbon steel, the pressure resistance and corrosion resistance of the flange body are improved through the heat treatment process, and the anti-corrosion coating is arranged on the surface of the carbon steel. And therefore, the corrosion resistance of the flange body is improved, and the flange body adapts to a severe external environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a high-pressure resistant flange for a polymerization kettle agitator. Background Art

[0002] A polymerization kettle agitator is a stirring equipment specially used for mixing high-viscosity materials. Flanges are often required at the pipe connections of the polymerization kettle agitator. Traditional flanges have insufficient pressure resistance during use, which may lead to leakage or damage due to excessive pressure of the medium, thereby reducing the service life, affecting the operation of the polymerization kettle agitator and increasing the cost of maintenance and replacement. In addition, the sealing performance is insufficient, which can easily lead to leakage. In addition, the corrosion resistance of the flange surface is insufficient. Long-term use will cause the surface to be corroded and cannot adapt to harsh environments. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a high-pressure resistant flange for a polymerization kettle agitator, which has the advantages of high pressure resistance and the like, and solves the problems raised by the background technology.

[0004] In order to achieve the above-mentioned purpose of high pressure resistance, the utility model provides the following technical solution: a high pressure resistant flange for a polymerization kettle agitator, comprising a flange body, the material of the flange body is carbon steel, a connecting sleeve is arranged at the middle of the front end of the flange body, a plurality of threaded holes are arranged at the outer ring of the flange body, and locking bolts are arranged in each of the threaded holes;

[0005] A sealing groove is arranged outside the connecting sleeve, a sealing ring is arranged inside the sealing groove, a plurality of notches are arranged inside the sealing groove, a plurality of circular blocks are arranged on the rear end wall of the sealing ring, and the circular blocks are arranged at corresponding positions with the notches.

[0006] As a further solution of the utility model: the sealing ring is made of aluminum alloy material, which increases the strength of the sealing ring and avoids deformation caused by extrusion.

[0007] As a further solution of the utility model: four mounting plates are installed on the rear end wall of the connecting sleeve, and fixing bolts are provided on the mounting plates. The fixing bolts are threadedly connected to the flange body. By unscrewing the fixing bolts, the connecting sleeve can be disassembled, avoiding the replacement of the flange body and reducing the maintenance and replacement costs.

[0008] As a further solution of the utility model: the rear end wall of the flange body is provided with a reinforcing rib plate, which increases the overall rigidity and bearing capacity, thereby improving the high pressure resistance.

[0009] As a further solution of the utility model: the outer layer of the carbon steel is provided with an anti-corrosion coating, thereby increasing the corrosion resistance of the flange body to adapt to the harsh external environment.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In the utility model, the sealing ring is placed in the sealing groove, and the circular clamping blocks are all inserted into the recesses to limit the sealing ring, thereby enhancing the sealing performance of the flange body. The reinforcing ribs at the rear of the flange body increase the overall rigidity and bearing capacity, thereby improving the high pressure resistance. The flange body is made of carbon steel and is subjected to a heat treatment process to improve the pressure resistance and corrosion resistance of the flange body. An anti-corrosion coating is provided on the surface of the carbon steel, thereby increasing the corrosion resistance of the flange body to adapt to the harsh external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0013] Figure 2 It is an explosion diagram of the utility model;

[0014] Figure 3 It is a rear view schematic diagram of the sealing ring in the utility model;

[0015] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of location A;

[0016] Figure 5 It is a schematic diagram of the material structure of the flange body in the utility model.

[0017] In the figure: 1. Flange body; 2. Sealing groove; 3. Sealing ring; 4. Threaded hole; 5. Connecting sleeve; 6. Circular clamp; 7. Notch; 8. Mounting plate; 9. Fixing bolt; 10. Locking bolt; 11. Reinforcing rib plate; 12. Carbon steel; 13. Anti-corrosion coating. DETAILED DESCRIPTION

[0018] 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.

[0019] It should be noted that carbon steel is an existing technology and common knowledge to those skilled in the art, and will not be elaborated on here.

[0020] See also Figures 1 to 5In the embodiment of the utility model, the high-pressure resistant flange for the polymerization kettle agitator includes a flange body 1, the material of the flange body 1 is carbon steel 12, a connecting sleeve 5 is arranged at the middle of the front end of the flange body 1, a plurality of threaded holes 4 are arranged on the outer ring of the flange body 1, and locking bolts 10 are arranged in the threaded holes 4;

[0021] A sealing groove 2 is arranged outside the connecting sleeve 5, a sealing ring 3 is arranged inside the sealing groove 2, a plurality of notches 7 are arranged inside the sealing groove 2, a plurality of circular blocks 6 are arranged on the rear end wall of the sealing ring 3, and the circular blocks 6 are arranged at corresponding positions to the notches 7.

[0022] The sealing ring 3 is made of aluminum alloy, which increases the strength of the sealing ring 3 to avoid deformation caused by extrusion; four mounting plates 8 are installed on the rear end wall of the connecting sleeve 5, and fixing bolts 9 are arranged on the mounting plates 8. The fixing bolts 9 are threadedly connected to the flange body 1. By unscrewing the fixing bolts 9, the connecting sleeve 5 can be disassembled to avoid replacing the flange body 1 and reduce the maintenance and replacement cost; a reinforcing rib plate 11 is provided on the rear end wall of the flange body 1 to increase the overall rigidity and bearing capacity, thereby improving the high pressure resistance; an anti-corrosion coating 13 is provided on the outer layer of the carbon steel 12, thereby increasing the corrosion resistance of the flange body 1 to adapt to the harsh external environment.

[0023] The working principle of the utility model is: screw the locking bolt 10 into the threaded hole 4, install the flange body 1, put the sealing ring 3 into the sealing groove 2, and the circular clamping blocks 6 are all inserted into the recesses 7 to limit the sealing ring 3, thereby enhancing the sealing performance of the flange body 1. The reinforcing rib plate 11 at the rear of the flange body 1 increases the overall rigidity and bearing capacity, thereby improving the high pressure resistance. The flange body 1 is made of carbon steel 12, and is subjected to a heat treatment process to improve the pressure resistance and corrosion resistance of the flange body 1. The surface of the carbon steel 12 is provided with an anti-corrosion coating 13, thereby increasing the corrosion resistance of the flange body 1 to adapt to the harsh external environment. By unscrewing the fixing bolts 9, the connecting sleeve 5 can be disassembled to avoid replacing the flange body 1 and reduce the maintenance and replacement costs.

[0024] 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 high-pressure resistant flange for a polymerization reactor agitator, comprising a flange body (1), wherein the flange body (1) is made of carbon steel (12), a connecting sleeve (5) is arranged at the middle of the front end of the flange body (1), a plurality of threaded holes (4) are arranged at the outer ring of the flange body (1), and locking bolts (10) are arranged in each of the threaded holes (4); Features: The connection sleeve (5) is provided with a sealing groove (2) on the outside, a sealing ring (3) is provided on the inside of the sealing groove (2), a plurality of recesses (7) are provided on the inside of the sealing groove (2), a plurality of circular clamping blocks (6) are provided on the rear end wall of the sealing ring (3), and the circular clamping blocks (6) are arranged at corresponding positions to the recesses (7).

2. The high pressure resistant flange for a polymerization reactor agitator according to claim 1, characterized in that: The sealing ring (3) is made of aluminum alloy material.

3. The high pressure resistant flange for a polymerization reactor agitator according to claim 1, characterized in that: Four mounting plates (8) are mounted on the rear end wall of the connecting sleeve (5), and fixing bolts (9) are arranged on the mounting plates (8), and the fixing bolts (9) are threadedly connected to the flange body (1).

4. The high pressure resistant flange for a polymerization reactor agitator according to claim 1, characterized in that: A reinforcing rib plate (11) is provided on the rear end wall of the flange body (1).

5. The high pressure resistant flange for a polymerization reactor agitator according to claim 1, characterized in that: The outer layer of the carbon steel (12) is provided with an anti-corrosion coating (13).