CN212338543U - Abrasion-proof corrosion-resistant pipeline expansion joint - Google Patents
Abrasion-proof corrosion-resistant pipeline expansion joint Download PDFInfo
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- CN212338543U CN212338543U CN202020935913.3U CN202020935913U CN212338543U CN 212338543 U CN212338543 U CN 212338543U CN 202020935913 U CN202020935913 U CN 202020935913U CN 212338543 U CN212338543 U CN 212338543U
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- Prior art keywords
- pipe
- expansion joint
- corrugated metal
- metal pipe
- end portion
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- 230000007797 corrosion Effects 0.000 title claims abstract description 15
- 238000005260 corrosion Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000008719 thickening Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 4
- 239000012298 atmosphere Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000011521 glass Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- -1 metallurgy Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses an abrasionproof corrosion resistant pipeline expansion joint, including corrugated metal pipe, the symmetry is equipped with connecting end portion on the corrugated metal pipe, connecting end portion is connected with the ring flange through coupling mechanism, a plurality of mounting holes have been seted up on the ring flange, and are a plurality of the mounting hole is the even array distribution of annular, the inboard fixedly connected with thickening inner tube of connecting end portion, be equipped with direction outer tube and direction inner tube in the corrugated metal pipe respectively, the first annular slab of one end fixedly connected with of direction outer tube. The utility model discloses liquid is directly carried from corrugated metal pipe's inside via the water conservancy diversion of direction outer tube and direction inner tube, because the glass steel is good corrosion resistant material, all has better resistance to atmosphere, water and the acid of general concentration, alkali, salt and multiple oils and solvent, has directly avoided overlooking the direct contact of liquid with the corrugated metal pipe inner wall, has guaranteed corrugated metal pipe's life.
Description
Technical Field
The utility model relates to a pipeline compensator technical field especially relates to an abrasionproof corrosion resistant pipeline expansion joint.
Background
The expansion joint is also called compensator and expansion joint (device). Is an indispensable important link of a modern pipeline engineering system. The expansion joint is suitable for various industries, and the expansion joint is arranged in a place with a pipeline, such as petrifaction, instruments, aerospace, chemical engineering, electric power, cement, metallurgy, steel works, buildings, pharmacy, heat supply, municipal engineering, natural gas and the like.
Patent CN210291111U provides a pipeline connection compensator, which belongs to the technical field of pipeline connection, and comprises a first connecting seat, a second connecting seat, a pull rod and a corrugated pipe; the corrugated pipe is used for being connected with the first butt joint pipeline and the second butt joint pipeline, the first connecting seat is provided with a first through hole and a first limiting groove communicated with the first through hole, the second connecting seat is fixed on the second butt joint pipeline, the second connecting seat is provided with a second through hole and a second limiting groove communicated with the second through hole, and the two ends of the pull rod are provided with a first clamping part and a second clamping part; the pull rod is arranged in the first through hole and the second through hole in a penetrating mode, the first clamping portion is clamped in the first limiting groove, and the second clamping portion is clamped in the second limiting groove. The utility model provides a pipeline connection compensator, pull rod can the flexible deformation of spacing bellows, prevents that its damage can carry out effective compensation to the flexible deformation of axial of pipeline. However, the types of liquid conveyed by the pipeline are various, and the telescopic joint part of the compensator is corroded when conveying some corrosive liquid, so that the elastic performance of the compensator is reduced over time, and the service life of the expansion joint is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the various liquid types that exist "pipeline transport among the prior art, can cause the corruption to the telescopic joint position of compensator when carrying some corrosive liquids, reduced the elasticity performance of compensator for a long time, reduced the life's of expansion joint shortcoming, and provide an abrasionproof corrosion resistant pipeline expansion joint.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an abrasionproof corrosion resistant pipeline expansion joint, includes corrugated metal pipe, the last symmetry of corrugated metal pipe is equipped with connecting end, connecting end is connected with the ring flange through coupling mechanism, a plurality of mounting holes have been seted up on the ring flange, and is a plurality of the mounting hole is the even array distribution of annular, the inboard fixedly connected with thickening inner tube of connecting end, be equipped with direction outer tube and direction inner tube in the corrugated metal pipe respectively, the first annular slab of one end fixedly connected with of direction outer tube, the one end fixedly connected with second annular slab of direction inner tube, set up the spout in the thickening inner tube, the equal sliding connection of first annular slab, second annular slab is in corresponding the spout.
Preferably, the connecting mechanism comprises a sealing washer, a through hole is formed in the connecting end portion, a fixing bolt is arranged in the through hole, and the fixing bolt penetrates through the sealing washer and is in threaded connection with the flange plate.
Preferably, the guide outer pipe is provided with an inward folding part, the inward folding part and the guide outer pipe are integrally formed, the guide inner pipe is provided with a convex edge part, and the guide inner pipe and the convex edge part are integrally formed.
Preferably, the guide outer pipe and the guide inner pipe are both made of wear-resistant glass fiber reinforced plastic materials.
Preferably, the metal corrugated pipe is provided with a heat insulation layer, and the heat insulation layer is made of rock wool materials.
Compared with the prior art, the beneficial effects of the utility model are that: the metal corrugated pipe is connected with the conveying pipeline through the flange plates at two ends, when some corrosive liquid is conveyed, the liquid is directly conveyed from the inside of the metal corrugated pipe through the diversion of the guide outer pipe and the guide inner pipe, and as the glass fiber reinforced plastic is a good corrosion-resistant material, the glass fiber reinforced plastic has good resistance to atmosphere, water, acid, alkali, salt with common concentration, various oils and solvents, so that the direct contact of overlooking the liquid with the inner wall of the metal corrugated pipe is directly avoided, and the service life of the metal corrugated pipe is ensured; when corrugated metal pipe receives expend with heat and contract with cold effect to stretch out and draw back, protruding edge portion laminating direction outer tube inner wall on the direction inner tube slides, avoids protruding edge portion slippage through setting up the infolding portion, and first annular plate and second annular plate laminating spout carry out the adaptability and slide simultaneously to inside guiding device self-adaptation compensation when corrugated metal pipe stretches out and draws back guarantees the result of use of device.
Drawings
Fig. 1 is a schematic front structural view of an abrasion-proof corrosion-resistant pipe expansion joint provided by the present invention;
fig. 2 is a schematic view of a connection portion between the outer guide tube and the inner guide tube in fig. 1.
In the figure: 1-metal corrugated pipe, 2-connecting end part, 3-flange plate, 4-mounting hole, 5-thickened inner pipe, 6-sealing washer, 7-chute, 8-first annular plate, 9-second annular plate, 10-fixing bolt, 11-guiding outer pipe, 12-guiding inner pipe, 13-convex edge part and 14-inward folding part.
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. 1-2, an abrasion-proof and corrosion-resistant pipeline expansion joint comprises a metal corrugated pipe 1, wherein a heat preservation layer is arranged on the metal corrugated pipe 1, the heat preservation layer is made of rock wool materials, the rock wool heat preservation layer has a certain protection effect while preserving and insulating heat of the exterior of the metal corrugated pipe 1, a connecting end part 2 is symmetrically arranged on the metal corrugated pipe 1, the connecting end part 2 is connected with a flange 3 through a connecting mechanism, the connecting mechanism comprises a sealing gasket 6, a through hole is arranged on the connecting end part 2, a fixing bolt 10 is arranged in the through hole, the fixing bolt 10 penetrates through the sealing gasket 6 to be in threaded connection with the flange 3, the sealing performance is ensured by the tight adhesion of the sealing gasket 6, the connecting end part 2 and the flange 3 after installation, a plurality of installation holes 4 are arranged on the flange 3, the installation, the metal corrugated pipe 1 is internally provided with an outer guide pipe 11 and an inner guide pipe 12 respectively, and the outer guide pipe 11 and the inner guide pipe 12 form a group of guide devices.
The outer guide pipe 11 and the inner guide pipe 12 are made of wear-resistant glass fiber reinforced plastic materials, the glass fiber reinforced plastic is a good corrosion-resistant material and has good resistance to atmosphere, water, acid, alkali, salt, various oils and solvents with common concentrations, an inward folding part 14 is arranged on the outer guide pipe 11, the inward folding part 14 and the outer guide pipe 11 are integrally formed, a convex edge part 13 is arranged on the inner guide pipe 12, the inner guide pipe 12 and the convex edge part 13 are integrally formed, when the metal corrugated pipe 1 expands and contracts under the effect of thermal expansion and cold contraction, the convex edge part 13 on the inner guide pipe 12 is attached to the inner wall of the outer guide pipe 11 to slide, the slippage of the convex edge part 13 is avoided by arranging the inward folding part 14, meanwhile, the first annular plate 8 and the second annular plate 9 are attached to the chute 7 to slide adaptively, one end of the outer guide pipe 11 is fixedly connected with a first annular plate 8, one end of the inner guide pipe, a chute 7 is arranged in the thickening inner tube 5, and the first annular plate 8 and the second annular plate 9 are connected in the corresponding chute 7 in a sliding manner.
In the utility model, the metal corrugated pipe 1 is connected with the conveying pipeline through the flange plates 3 at two ends, when conveying corrosive liquid, the liquid is directly conveyed from the inside of the metal corrugated pipe 1 through the diversion of the guide outer pipe 11 and the guide inner pipe 12, because the glass fiber reinforced plastic is a good corrosion-resistant material, the metal corrugated pipe has better resistance to the atmosphere, water, acid, alkali, salt and various oils and solvents with common concentration, the direct contact of overlooking the liquid and the inner wall of the metal corrugated pipe 1 is directly avoided, the service life of the metal corrugated pipe 1 is ensured, when the metal corrugated pipe 1 is expanded and contracted under the effect of thermal expansion and cold contraction, the convex edge part 13 on the guide inner pipe 12 is jointed with the inner wall of the guide outer pipe 11 to slide, the slippage of the convex edge part 13 is avoided through the arrangement of the inward folding part 14, and the first annular plate 8 and the second annular plate 9 are jointed with the sliding chute 7, therefore, when the metal corrugated pipe 1 stretches, the internal flow guide device is self-adaptively compensated, and the using effect of the device is ensured.
Claims (5)
1. The utility model provides an abrasionproof corrosion resistant pipeline expansion joint, includes corrugated metal pipe (1), its characterized in that, corrugated metal pipe (1) is gone up the symmetry and is equipped with link end portion (2), link end portion (2) are connected with ring flange (3) through coupling mechanism, a plurality of mounting hole (4) have been seted up on ring flange (3), and are a plurality of mounting hole (4) are the even array distribution of annular, link end portion (2) inboard fixedly connected with thickening inner tube (5), be equipped with direction outer tube (11) and direction inner tube (12) in corrugated metal pipe (1) respectively, the first annular slab of one end fixedly connected with (8) of direction outer tube (11), the one end fixedly connected with second annular slab (9) of direction inner tube (12), spout (7) have been seted up in thickening inner tube (5), first annular slab (8), The second annular plates (9) are connected in the corresponding sliding grooves (7) in a sliding manner.
2. The abrasion-proof corrosion-resistant pipeline expansion joint as claimed in claim 1, wherein the connecting mechanism comprises a sealing washer (6), a through hole is formed in the connecting end portion (2), a fixing bolt (10) is arranged in the through hole, and the fixing bolt (10) penetrates through the sealing washer (6) to be in threaded connection with the flange plate (3).
3. The abrasion-proof corrosion-resistant pipeline expansion joint as claimed in claim 1, wherein an inward folded part (14) is arranged on the outer guide pipe (11), the inward folded part (14) is integrally formed with the outer guide pipe (11), a convex edge part (13) is arranged on the inner guide pipe (12), and the inner guide pipe (12) is integrally formed with the convex edge part (13).
4. The pipe expansion joint of claim 1, wherein the outer guide pipe (11) and the inner guide pipe (12) are made of wear-resistant glass fiber reinforced plastic materials.
5. The pipe expansion joint of claim 1, wherein the metal corrugated pipe (1) is provided with an insulating layer made of rock wool material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935913.3U CN212338543U (en) | 2020-05-28 | 2020-05-28 | Abrasion-proof corrosion-resistant pipeline expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935913.3U CN212338543U (en) | 2020-05-28 | 2020-05-28 | Abrasion-proof corrosion-resistant pipeline expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338543U true CN212338543U (en) | 2021-01-12 |
Family
ID=74076203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020935913.3U Active CN212338543U (en) | 2020-05-28 | 2020-05-28 | Abrasion-proof corrosion-resistant pipeline expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338543U (en) |
-
2020
- 2020-05-28 CN CN202020935913.3U patent/CN212338543U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240515 Address after: No. 52-2 Zhuta, Qiwei Village, Hongqiao Town, Taixing City, Taizhou City, Jiangsu Province, 225400 Patentee after: Yang Kaiyan Country or region after: China Address before: No.2-3, Guankou Shangdong street, Changshou District, Chongqing Patentee before: CHONGQING SANLIAN PIPELINE EQUIPMENT Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |