CN210440730U

CN210440730U - High-pressure corrosion-resistant flange

Info

Publication number: CN210440730U
Application number: CN201921113184.7U
Authority: CN
Inventors: 许勇
Original assignee: Jiangsu Feida Stainless Steel Co ltd
Current assignee: Jiangsu Feida Stainless Steel Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-01
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a high-pressure corrosion-resistant flange relates to flange technical field, often under high pressure for solving current high-pressure corrosion-resistant flange, the leakproofness of junction is not enough, leads to the material to leak to thereby receive environmental impact, take place to corrode the problem that influences the use. One side of first standpipe is provided with the second standpipe, the upper end of first standpipe is provided with into water funnel, the lower extreme of first standpipe is provided with first backup pad, one side of first backup pad is provided with first drainage tube, the lower extreme that has first drainage tube is provided with the installation storehouse, one side in installation storehouse is provided with the grid filter layer, the lower extreme in installation storehouse is provided with the sponge filter layer, the lower extreme of sponge filter layer is provided with the active carbon filter layer, the lower extreme of active carbon filter layer is provided with first standpipe, the lower extreme of first standpipe is provided with the roof.

Description

High-pressure corrosion-resistant flange

Technical Field

The utility model relates to a flange technical field specifically is a high-pressure corrosion-resistant flange.

Background

Flanges are parts that interconnect pipes to pipes and to valves, and are attached to the ends of the pipes. The flange connection is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a combined sealing structure, wherein the flange is provided with a hole, and the bolt tightly connects the two flanges. The flanges are sealed with gaskets. The high-pressure flange is used for connecting pipelines or equipment with pressure higher than 10 MPa.

The existing high-pressure corrosion-resistant flange is often insufficient in sealing performance at a joint under high pressure, so that material leakage is caused, and when the existing high-pressure corrosion-resistant flange is influenced by the environment, corrosion occurs to influence use; therefore, the market urgently needs to develop a high-pressure corrosion-resistant flange to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure corrosion-resistant flange to in solving above-mentioned background art, current high pressure corrosion-resistant flange often is under high pressure, and the leakproofness of junction is not enough, leads to the material to leak, and thereby receives the environmental impact, takes place to corrode the problem that the influence was used.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure corrosion-resistant flange comprises a first flange, wherein a first neck platform is arranged at the upper end of the first flange, a first pipeline is arranged at the upper end of the first neck platform, a bolt is arranged on one side of the first pipeline, a bolt hole is arranged on one side inside the first flange, a groove is arranged at the lower end of the first flange, a first sealing strip is arranged at the lower end of the groove, a second sealing strip is arranged at the lower end of the first sealing strip, a protruding block is arranged at the lower end of the second sealing strip, a second flange is arranged at the lower end of the protruding block, a second neck platform is arranged at the lower end of the second flange, a second pipeline is arranged at the lower end of the second neck platform, a nut is arranged on one side of the second pipeline, a second fixing buckle is arranged on one side of the second sealing strip, a first fixing buckle is arranged on the other side of the second sealing strip, and a flow guide hole is arranged inside the first neck platform, the outside of first flange is provided with polytetrafluoroethylene air filter membrane, the upper end of the fixed knot of second is provided with the sealing washer.

Preferably, the bolt holes are eight, the sealing rings are eight, and the sealing rings are connected with the first flange in a welded mode.

Preferably, the first fixing buckle is connected with the first flange and the second flange in a welding mode, and the second fixing buckle is connected with the first flange and the second flange in a welding mode.

Preferably, the second sealing strip is connected with the second flange in a welding mode, and the first sealing strip is connected with the first flange in a welding mode.

Preferably, the first neck platform is connected with the first flange in a welding mode, and the second neck platform is connected with the second flange in a welding mode.

Preferably, the bolt penetrates through the first flange and the second flange, the bolt is in threaded connection with the nut, the first pipeline is embedded into the first neck platform, and the second pipeline is embedded into the second neck platform.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through the setting of recess and protruding piece, make the utility model discloses can form the corner between first flange and second flange, compare in the straight line coincide in the past, the identical seal of corner type is better, has improved the sealing performance of high-pressure flange under highly compressed condition.

2. The utility model discloses a through the setting of first sealing strip and second sealing strip, make the utility model discloses sealed effect, for the stronger of individual layer sealing washer leakproofness to through welded connection's mode, make it can not remove and influence the performance.

3. The utility model discloses a through polytetrafluoroethylene filtration membrane's setting, make the utility model discloses a resistant chemical corrosion nature reinforcing, coefficient of friction is low, has fine electrical property, and its electrical insulation does not receive the temperature to influence, makes the utility model discloses a corrosion resistance is better.

4. The utility model discloses a through the fixed setting of detaining of first fixed knot and second, make the utility model discloses, can fix the device before screwing up the bolt, at the in-process convenient and fast more of assembly.

Drawings

FIG. 1 is a structural diagram of a high-pressure corrosion-resistant flange according to the present invention;

FIG. 2 is a front view of a high-pressure corrosion-resistant flange according to the present invention;

fig. 3 is a front structural view of the high-pressure corrosion-resistant flange of the present invention.

In the figure: 1. a first flange; 2. a first neck platform; 3. a polytetrafluoroethylene air filtration membrane; 4. a first conduit; 5. bolt holes; 6. a flow guide hole; 7. a bolt; 8. a seal ring; 9. a nut; 10. a first seal strip; 11. a second seal strip; 12. a second neck platform; 13. a second flange; 14. a groove; 15. A raised block; 16. a second conduit; 17. a first fixing buckle; 18. and a second fixing buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a high-pressure corrosion-resistant flange comprises a first flange 1, a first neck platform 2 is arranged at the upper end of the first flange 1, a first pipeline 4 is arranged at the upper end of the first neck platform 2, a bolt 7 is arranged on one side of the first pipeline 4, a bolt hole 5 is arranged on one side inside the first flange 1, a groove 14 is arranged at the lower end of the first flange 1, a first sealing strip 10 is arranged at the lower end of the groove 14, a second sealing strip 11 is arranged at the lower end of the first sealing strip 10, the sealing performance of the sealing strip is stronger relative to that of a single-layer sealing ring 8, a protruding block 15 is arranged at the lower end of the second sealing strip 11, a second flange 13 is arranged at the lower end of the protruding block 15, a second neck platform 12 is arranged at the lower end of the second flange 13, a second pipeline 16 is arranged at the lower end of the second neck platform 12, a nut 9 is arranged at one side of the second pipeline 16, a second fixing buckle 18 is arranged at one side of, the inside of first neck platform 2 is provided with water conservancy diversion hole 6, and the outside of first flange 1 is provided with polytetrafluoroethylene filtration membrane 3, makes the utility model discloses a corrosion resistance is better, and the upper end of the fixed knot 18 of second is provided with sealing washer 8.

Further, bolt hole 5 is provided with eight, and first flange 1 and second flange 13 all are provided with bolt hole 5, and sealing washer 8 is provided with eight, and first flange 1 and second flange 13 all are provided with sealing washer 8, and sealing washer 8 and first flange 1 welded connection for connect more firmly, prevent that the material from leaking.

Further, first fixed knot 17 and first flange 1 and second flange 13 welded connection for connect more firmly, can fix the device before tightening bolt 7, more convenient and fast in the in-process of assembly, second fixed knot 18 and first flange 1 and second flange 13 welded connection make to connect more firmly, prevent that the material from leaking, the utility model discloses the surface all is provided with polytetrafluoroethylene filtration membrane 3.

Further, second sealing strip 11 and second flange 13 welded connection for connect more firmly, prevent that the material from leaking, first sealing strip 10 and first flange 1 welded connection for connect more firmly, prevent that the material from leaking.

Further, first neck platform 2 and first flange 1 welded connection for connect more firmly, prevent that the material from leaking, second neck platform 12 and second flange 13 welded connection make to connect more firmly, prevent that the material from leaking.

Further, bolts 7 penetrate through the inside of the first flange 1 and the second flange 13, the bolts 7 are in threaded connection with nuts 9, the first pipeline 4 is embedded inside the first neck platform 2, and the second pipeline 16 is embedded inside the second neck platform 12.

The working principle is as follows: when the device is used, the first flange 1 and the second flange 13 are connected in a matched mode through the groove 14 and the protruding block 15, the first pipeline 4 is embedded into the first flange 1, the second pipeline 16 is embedded into the second flange 13, the first flange 1 and the second flange 13 are fixed through the first fixing buckle 17 and the second fixing buckle 18, the bolt 7 penetrates through the bolt hole 5 in the first flange 1 and the second flange 13, the bolt 7 and the nut 9 are screwed, the first sealing strip 10 and the second sealing strip 11 between the first flange 1 and the second flange 13 are extruded, the pressure between the first flange 1 and the second flange 13 is increased, sealing is completed, the polytetrafluoroethylene air filtering membrane 3 is arranged on the outer surface of the flange, and the corrosion resistance of the device is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high-pressure corrosion-resistant flange, comprising a first flange (1), characterized in that: the upper end of the first flange (1) is provided with a first neck platform (2), the upper end of the first neck platform (2) is provided with a first pipeline (4), one side of the first pipeline (4) is provided with a bolt (7), one side of the interior of the first flange (1) is provided with a bolt hole (5), the lower end of the first flange (1) is provided with a groove (14), the lower end of the groove (14) is provided with a first sealing strip (10), the lower end of the first sealing strip (10) is provided with a second sealing strip (11), the lower end of the second sealing strip (11) is provided with a convex block (15), the lower end of the convex block (15) is provided with a second flange (13), the lower end of the second flange (13) is provided with a second neck platform (12), the lower end of the second neck platform (12) is provided with a second pipeline (16), one side of the second pipeline (16) is provided with a nut (9), one side of second sealing strip (11) is provided with the fixed knot of second (18), the opposite side of second sealing strip (11) is provided with first fixed knot (17), the inside of first neck platform (2) is provided with water conservancy diversion hole (6), the outside of first flange (1) is provided with polytetrafluoroethylene air filtration membrane (3), the upper end of the fixed knot of second (18) is provided with sealing washer (8).

2. A high pressure corrosion resistant flange according to claim 1, wherein: the bolt holes (5) are eight, the sealing rings (8) are eight, and the sealing rings (8) are connected with the first flange (1) in a welded mode.

3. A high pressure corrosion resistant flange according to claim 1, wherein: the first fixing buckle (17) is connected with the first flange (1) and the second flange (13) in a welding mode, and the second fixing buckle (18) is connected with the first flange (1) and the second flange (13) in a welding mode.

4. A high pressure corrosion resistant flange according to claim 1, wherein: the second sealing strip (11) is connected with the second flange (13) in a welding mode, and the first sealing strip (10) is connected with the first flange (1) in a welding mode.

5. A high pressure corrosion resistant flange according to claim 1, wherein: the first neck platform (2) is connected with the first flange (1) in a welding mode, and the second neck platform (12) is connected with the second flange (13) in a welding mode.

6. A high pressure corrosion resistant flange according to claim 1, wherein: the bolt (7) runs through the first flange (1) and the second flange (13), the bolt (7) is in threaded connection with the nut (9), the first pipeline (4) is embedded into the first neck platform (2), and the second pipeline (16) is embedded into the second neck platform (12).