CN215410675U - Low-pressure anti-corrosion connecting flange for jacketed pipe - Google Patents
Low-pressure anti-corrosion connecting flange for jacketed pipe Download PDFInfo
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- CN215410675U CN215410675U CN202121415409.1U CN202121415409U CN215410675U CN 215410675 U CN215410675 U CN 215410675U CN 202121415409 U CN202121415409 U CN 202121415409U CN 215410675 U CN215410675 U CN 215410675U
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- connecting flange
- sealing
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Abstract
The utility model discloses a low-pressure anti-corrosion connecting flange for a jacketed pipe, which comprises a first jacketed pipe and a second jacketed pipe, wherein one end of the first jacketed pipe is fixedly connected with a first connecting flange, one end of the second jacketed pipe is fixedly connected with a second connecting flange, a fixing mechanism is arranged between the outer sides of the first connecting flange and the second connecting flange, and a sealing mechanism is arranged between the inner sides of the first connecting flange and the second connecting flange. According to the utility model, the sealing mechanism is arranged between the first connecting flange and the second connecting flange, so that the sealing property between the first jacketed pipe and the second jacketed pipe is greatly improved, the temperature of the heat tracing medium in the outer pipe and the medium in the inner pipe are difficult to leak, the arranged fixing mechanism can well protect the fixing bolt, the fixing bolt is hidden in the first L-shaped connecting piece and the second L-shaped connecting piece, and the corrosion probability of the fixing bolt is reduced.
Description
Technical Field
The utility model relates to the technical field of connecting flanges, in particular to a low-pressure anti-corrosion connecting flange for a jacketed pipe.
Background
The jacketed pipe is a heat tracing pipe, i.e. a jacketed pipe is arranged outside a process pipeline, and is similar to a double-pipe heat exchanger for heat tracing. Theoretically, the temperature of the inner pipe medium can be maintained as long as the temperature of the heat tracing medium is the same as or slightly higher than that of the inner pipe medium, and the steam consumption only needs to meet the heat loss per se, so that the heat tracing efficiency is relatively high.
The flange of the existing jacket pipe is mostly a common flange, the sealing performance is poor, fluid in the jacket pipe cannot be effectively prevented from leaking, and after long-time use, the bolt of the flange is not easy to detach due to rust in the air caused by naked leakage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a low-pressure anti-corrosion connecting flange for a jacketed pipe.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a press from both sides anticorrosive flange of low pressure for jacketed pipe, includes first jacketed pipe and second jacketed pipe, the first flange of first jacketed pipe's one end fixedly connected with, the one end fixedly connected with second flange of second jacketed pipe, be provided with fixed establishment between the outside of first flange and second flange, be provided with sealing mechanism between the inboard of first flange and second flange, the fixed orifices has all been seted up to the outer lane of first flange and second flange, the inner circle of first flange and second flange is first bushing and the second bushing of fixedly connected with respectively.
Furthermore, the fixing mechanism comprises a first L-shaped connecting piece and a second L-shaped connecting piece, a threaded hole is formed in one side of the upper end of the first L-shaped connecting piece, and a through hole is formed in one side of the upper end of the second L-shaped connecting piece.
Furthermore, the lower end one side of the first L-shaped connecting piece and the lower end one side of the second L-shaped connecting piece are fixedly connected with fixing rods, fixing bolts are arranged inside the through holes, and the fixing bolts are in threaded connection with the threaded holes.
Further, sealing mechanism includes that the longitudinal symmetry is provided with the arc closing plate, the equal fixedly connected with otic placode in both ends of arc closing plate, the equal fixedly connected with third sealing washer in inboard of arc closing plate corresponds from top to bottom all be provided with a plurality of rivets between the otic placode.
Furthermore, one side of the first connecting flange is located at a position fixedly connected with a first outer sealing pipe of the outer ring of the first bushing, one side of the first connecting flange is located at a position fixedly connected with a first inner sealing pipe of the inner ring of the first bushing, one side of the second connecting flange is located at a position fixedly connected with a second outer sealing pipe of the outer ring of the second bushing, and one side of the second connecting flange is located at a position fixedly connected with a second inner sealing pipe of the inner ring of the second bushing.
Furthermore, a first sealing groove is formed in one side of the first outer sealing pipe, a second sealing groove is formed in one side of the first inner sealing pipe, a first sealing ring is fixedly connected to one side of the second outer sealing pipe, a second sealing ring is fixedly connected to one side of the second inner sealing pipe, and a third sealing groove is formed in the middle position of the outer side of the first outer sealing pipe and the middle position of the outer side of the second outer sealing pipe.
The utility model has the beneficial effects that:
when the low-pressure anti-corrosion connecting flange is used, the sealing mechanism is arranged between the first connecting flange and the second connecting flange, so that the sealing property between the first jacketed pipe and the second jacketed pipe is greatly improved, the heat tracing medium temperature in the outer pipe and the medium in the inner pipe are difficult to leak, the fixing bolt can be well protected by the arranged fixing mechanism, the fixing bolt is hidden in the first L-shaped connecting piece and the second L-shaped connecting piece, and the probability of corrosion of the fixing bolt is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first bushing structure according to the present invention;
FIG. 3 is a schematic view of a connection structure of a first connection flange and a first jacket sleeve according to the present invention;
FIG. 4 is a schematic view of a second bushing according to the present invention;
FIG. 5 is a schematic view of a second connecting flange and a second jacket sleeve according to the present invention;
FIG. 6 is a schematic view of the securing mechanism of the present invention;
fig. 7 is a schematic view of the sealing mechanism of the present invention.
Illustration of the drawings:
1. a first jacket sleeve; 2. a first connecting flange; 3. a second jacket sleeve; 4. a second connecting flange; 5. a fixing mechanism; 6. a sealing mechanism; 7. a fixing hole; 8. a first outer sealing tube; 9. a first seal groove; 10. a first inner sealed tube; 11. a second seal groove; 12. a first bushing; 13. a third seal groove; 14. a second outer seal tube; 15. a first seal ring; 16. a second inner sealed tube; 17. a second seal ring; 18. a second bushing; 19. a first L-shaped connector; 20. a threaded hole; 21. fixing the rod; 22. a second L-shaped connector; 23. a through hole; 24. fixing the bolt; 25. an arc-shaped sealing plate; 26. an ear plate; 27. a third seal ring; 28. and (4) riveting.
Detailed Description
Fig. 1 to 7 show, relate to a press from both sides anticorrosive flange of low pressure for sleeve pipe, including first jacket pipe 1 and second jacket pipe 3, the first flange 2 of one end fixedly connected with of first jacket pipe 1, the one end fixedly connected with second flange 4 of second jacket pipe 3, be provided with fixed establishment 5 between the outside of first flange 2 and second flange 4, be provided with sealing mechanism 6 between the inboard of first flange 2 and second flange 4, fixed orifices 7 have all been seted up to the outer lane of first flange 2 and second flange 4, the inner circle of first flange 2 and second flange 4 is first hourglass board 12 of fixedly connected with and second hourglass board 18 respectively.
When the low-pressure anti-corrosion connecting flange for the jacketed pipe is used, an outer pipe medium can flow in the first jacketed pipe 1 and the second jacketed pipe 3 through the first leakage plate 12 and the second leakage plate 18, the arranged first outer sealing pipe 8 and the arranged second outer sealing pipe 14 are clamped and sealed through the first sealing ring 15 and the first sealing groove 9, the arranged first inner sealing pipe 10 and the arranged second inner sealing pipe 16 are clamped and sealed through the second sealing ring 17 and the second sealing groove 11, the arranged sealing assembly is formed by sleeving the arc-shaped sealing plate 25 on the outer sides of the first outer sealing ring and the second outer sealing ring, the third sealing ring 27 on the inner side of the arc-shaped sealing plate 25 is clamped and arranged in the third sealing groove 13 on the outer sides of the first outer sealing ring and the second outer sealing ring respectively, and then the lug plates 26 on two sides of the arc-shaped sealing plate 25 are fixed through the rivets 28, so that the sealing performance of the first outer sealing ring and the second outer sealing ring can be enhanced, the first connecting flange 2 and the second connecting flange 4 can be fixed by a fixing mechanism 5.
In a further scheme, the fixing mechanism 5 comprises a first L-shaped connecting piece 19 and a second L-shaped connecting piece 22, wherein a threaded hole 20 is formed in one side of the upper end of the first L-shaped connecting piece 19, and a through hole 23 is formed in one side of the upper end of the second L-shaped connecting piece 22.
In a further scheme, the fixing rods 21 are fixedly connected to one sides of the lower ends of the first L-shaped connecting piece 19 and the second L-shaped connecting piece 22, the fixing bolts 24 are arranged inside the through holes 23, the fixing bolts 24 are in threaded connection with the threaded holes 20, the fixing rods 21 at the lower ends of the first L-shaped connecting piece 19 and the second L-shaped connecting piece 22 are respectively clamped in the fixing holes 7 of the corresponding first connecting flange 2 and the corresponding second connecting flange 4, and then the first L-shaped connecting piece 19 and the second L-shaped connecting piece 22 are fixed through the fixing bolts 24, so that the first connecting flange 2 and the second connecting flange 4 can be fixed.
In the further scheme, sealing mechanism 6 includes that the upper and lower symmetry is provided with arc seal plate 25, the equal fixedly connected with otic placode 26 in both ends of arc seal plate 25, the equal fixedly connected with third sealing washer 27 in arc seal plate 25's inboard, all be provided with a plurality of rivets 28 between the otic placode 26 that corresponds from top to bottom, the inboard third sealing washer 27 of arc seal plate 25 blocks respectively and establishes in the third seal groove 13 in the outside of first outer seal circle and second outer seal circle, reuse rivet 28 fixes the otic placode 26 of arc seal plate 25 both sides, thereby can strengthen the leakproofness of first outer seal circle and second outer seal circle.
In a further scheme, a first outer sealing pipe 8 is fixedly connected to a position, located at the outer ring of the first nozzle plate 12, of one side of the first connecting flange 2, a first inner sealing pipe 10 is fixedly connected to a position, located at the inner ring of the first nozzle plate 12, of one side of the first connecting flange 2, a second outer sealing pipe 14 is fixedly connected to a position, located at the outer ring of the second nozzle plate 18, of one side of the second connecting flange 4, and a second inner sealing pipe 16 is fixedly connected to a position, located at the inner ring of the second nozzle plate 18, of one side of the second connecting flange 4.
In the further scheme, first seal groove 9 has been seted up to one side of first outer sealed tube 8, second seal groove 11 has been seted up to one side of first inner sealed tube 10, one side fixedly connected with first sealing washer 15 of second outer sealed tube 14, one side fixedly connected with second sealing washer 17 of second inner sealed tube 16, third seal groove 13 has all been seted up to the outside intermediate position of first outer sealed tube 8 and second outer sealed tube 14, first outer sealed tube 8 and the second outer sealed tube 14 that set up carry out the card through first sealing washer 15 and first seal groove 9 and establish sealedly, first inner sealed tube 10 and the second inner sealed tube 16 that set up carry out the card through second sealing washer 17 and second seal groove 11 and establish sealedly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a press from both sides anticorrosive flange of low pressure for jacketed pipe, includes first jacketed pipe (1) and second jacketed pipe (3), its characterized in that: the one end fixedly connected with first flange (2) of first jacket pipe (1), the one end fixedly connected with second flange (4) of second jacket pipe (3), be provided with fixed establishment (5) between the outside of first flange (2) and second flange (4), be provided with sealing mechanism (6) between the inboard of first flange (2) and second flange (4), fixed orifices (7) have all been seted up to the outer lane of first flange (2) and second flange (4), the inner circle difference fixedly connected with first bushing plate (12) and second bushing plate (18) of first flange (2) and second flange (4).
2. The low-pressure corrosion-resistant connecting flange for the jacketed pipe according to claim 1, characterized in that: the fixing mechanism (5) comprises a first L-shaped connecting piece (19) and a second L-shaped connecting piece (22), a threaded hole (20) is formed in one side of the upper end of the first L-shaped connecting piece (19), and a through hole (23) is formed in one side of the upper end of the second L-shaped connecting piece (22).
3. The low-pressure corrosion-resistant connecting flange for the jacketed pipe according to claim 2, characterized in that: the fixing rod (21) is fixedly connected to one side of the lower end of each of the first L-shaped connecting piece (19) and the second L-shaped connecting piece (22), a fixing bolt (24) is arranged inside each through hole (23), and the fixing bolt (24) is in threaded connection with the threaded hole (20).
4. The low-pressure corrosion-resistant connecting flange for the jacketed pipe according to claim 1, characterized in that: sealing mechanism (6) are provided with arc closing plate (25) including longitudinal symmetry, the equal fixedly connected with otic placode (26) in both ends of arc closing plate (25), the equal fixedly connected with third sealing washer (27) in inboard of arc closing plate (25), correspond from top to bottom all be provided with a plurality of rivets (28) between otic placode (26).
5. The low-pressure corrosion-resistant connecting flange for the jacketed pipe according to claim 1, characterized in that: one side of the first connecting flange (2) is located at a first outer sealing pipe (8) fixedly connected with the position of the outer ring of the first leakage plate (12), one side of the first connecting flange (2) is located at a first inner sealing pipe (10) fixedly connected with the position of the inner ring of the first leakage plate (12), one side of the second connecting flange (4) is located at a second outer sealing pipe (14) fixedly connected with the position of the outer ring of the second leakage plate (18), and one side of the second connecting flange (4) is located at a second inner sealing pipe (16) fixedly connected with the position of the inner ring of the second leakage plate (18).
6. The low-pressure corrosion-resistant connecting flange for the jacketed pipe according to claim 5, characterized in that: first seal groove (9) have been seted up to one side of first outer sealed pipe (8), second seal groove (11) have been seted up to one side of first inner sealed pipe (10), one side fixedly connected with first sealing washer (15) of second outer sealed pipe (14), one side fixedly connected with second sealing washer (17) of second inner sealed pipe (16), third seal groove (13) have all been seted up to the outside intermediate position of first outer sealed pipe (8) and second outer sealed pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415409.1U CN215410675U (en) | 2021-06-24 | 2021-06-24 | Low-pressure anti-corrosion connecting flange for jacketed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415409.1U CN215410675U (en) | 2021-06-24 | 2021-06-24 | Low-pressure anti-corrosion connecting flange for jacketed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410675U true CN215410675U (en) | 2022-01-04 |
Family
ID=79641680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121415409.1U Active CN215410675U (en) | 2021-06-24 | 2021-06-24 | Low-pressure anti-corrosion connecting flange for jacketed pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410675U (en) |
-
2021
- 2021-06-24 CN CN202121415409.1U patent/CN215410675U/en active Active
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