CN112082008A - Assembled petroleum conveying pipeline and splicing installation method thereof - Google Patents
Assembled petroleum conveying pipeline and splicing installation method thereof Download PDFInfo
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- CN112082008A CN112082008A CN202010995548.XA CN202010995548A CN112082008A CN 112082008 A CN112082008 A CN 112082008A CN 202010995548 A CN202010995548 A CN 202010995548A CN 112082008 A CN112082008 A CN 112082008A
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- Prior art keywords
- rotating
- unit
- pipeline
- frame
- conveying pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to an assembled petroleum conveying pipeline and a splicing installation method thereof. The invention can solve the problems that the existing petroleum conveying pipeline has large volume and can not effectively splice pipelines in an assembled manner, so that the conveying pipeline has poor conveying effect and inconvenient transportation, and the using effect of the pipeline is influenced.
Description
Technical Field
The invention relates to the field of petroleum conveying pipeline processing, in particular to an assembled petroleum conveying pipeline and a splicing and installing method thereof.
Background
Petroleum is mainly used as fuel oil and gasoline, which constitute one of the most important secondary energy sources in the world. Petroleum is also a raw material for many chemical industry products such as solvents, fertilizers, pesticides, and plastics. In fact, petroleum is a non-renewable feedstock.
At present, the existing oil conveying pipelines generally have the following defects when in use: 1. when the existing petroleum conveying pipeline is transported, the conveying pipeline is large in size, and the pipelines cannot be effectively spliced in an assembled mode, so that the conveying pipeline is poor in transportation effect and inconvenient to transport, and the using effect of the pipelines is influenced; 2. when the existing petroleum conveying pipeline is used, the sealing effect of the pipeline is poor, and the heat insulation performance of the conveying pipeline is low, so that the pipeline cannot effectively adapt to a low-temperature environment, and the petroleum conveying efficiency is reduced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing petroleum conveying pipeline has large volume and can not effectively splice pipelines in an assembled manner, so that the conveying pipeline has poor conveying effect and inconvenient transportation, and the using effect of the pipeline is influenced.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the assembly type petroleum conveying pipeline comprises a fixed pipeline, connecting flanges and a connecting device, wherein the fixed pipeline is of a cylindrical hollow structure, stepped grooves are formed in the outer sides of the fixed pipelines, adjacent fixed pipelines are connected through the connecting device, the connecting flanges are installed on the outer sides of the fixed pipelines at the end parts, and threaded holes are uniformly installed in the connecting flanges.
The connecting device comprises a connecting frame, a fixing frame, a rotating unit, an adjusting unit, a supporting rod and an inner supporting unit, wherein the connecting frame is of a circular structure, the fixing frame is arranged in the connecting frame, the rotating frame is arranged in the fixing frame and is connected with the fixing frame in a sliding fit manner, the rotating unit is arranged at the upper end of the connecting frame, the adjusting unit is uniformly arranged in the fixing frame, the supporting rod is arranged outside the adjusting unit and is connected with the fixing frame in a sliding fit manner, the inner supporting unit is arranged at the outer end of the supporting rod, when the connecting device works, the rotating unit is manually adjusted, the rotating unit drives the adjusting unit to expand outwards through the rotating frame, the adjusting unit can further drive the supporting rod to be inserted into a jack on a fixed pipeline, when the inner supporting unit at the end part of the supporting, guarantee bracing piece and jack connection's compactness, the pipeline of avoiding after the concatenation takes place the phenomenon of rocking, guarantees the result of use of pipeline.
Interior support unit include slide bar, briquetting, expanding spring and backup pad, bracing piece outer end be provided with the sliding tray, be connected with the slide bar through sliding fit's mode in the sliding tray, the slide bar cross-section is T type structure, the slide bar mid-mounting has the briquetting, be provided with expanding spring on the slide bar, the bracing piece outer end evenly is provided with the draw-in groove with the sliding tray intercommunication, install the backup pad through the round pin axle in the draw-in groove, the backup pad is the arc structure, be provided with rubber gasket on the backup pad lateral surface, concrete during operation, when the slide bar inserts the jack inside, the slide bar drives the outside expansion of backup pad through the briquetting, make the backup pad hug closely with the jack inner wall, guarantee the compactness of bracing piece.
As a preferred technical scheme of the invention, the outer side surface of the fixed pipeline is coated with an antirust layer, the inner side surface of the fixed pipeline is coated with a corrosion-resistant layer, the middle part of the fixed pipeline is provided with an empty groove, and the heat-insulating unit is arranged in the empty groove.
As a preferred technical scheme, the rotating unit comprises a rotating seat, a rotating gear and a ring gear, a through hole is formed in the middle of the upper end of the connecting frame, the rotating seat is installed in the through hole, a screw hole is formed in the rotating seat, the rotating gear is installed at the lower end of the rotating seat and meshed with the ring gear, the ring gear is installed in the middle of the outer side of the rotating frame, when the rotating unit works, the rotating seat is driven to rotate through a wrench manually, the rotating seat drives the ring gear through the rotating gear, and the ring gear can further drive the adjusting unit to work through the rotating frame.
As a preferred technical scheme of the invention, the adjusting unit comprises a sliding block and a moving block, sliding grooves are symmetrically arranged in the fixed frame, the sliding block is connected in the sliding grooves in a sliding fit manner, balls are uniformly arranged on the inner side surface of the sliding block, the moving block is arranged on the outer side of the sliding block, the upper end of the moving block is of an arc-shaped structure, external threads are arranged on the upper end of the moving block, internal threads matched with the external threads are symmetrically arranged on the inner side surface of the rotating frame, when the rotating frame rotates, the rotating frame drives the moving block to translate left and right in a thread fit manner, and the moving block can further drive the supporting rod to be inserted into a jack on the fixed pipeline, so that the.
As a preferred technical scheme of the invention, the heat preservation unit comprises heat preservation layers and heat preservation pipes, the heat preservation pipes are uniformly arranged in the empty groove, the heat preservation layers are filled between the adjacent heat preservation pipes, the heat preservation layers are made of rock wool heat preservation felts, and the rock wool heat preservation felts are loose and porous structures, so that the function of heat preservation of pipelines can be realized, the weight of the pipelines can be reduced, and the pipeline transportation is facilitated.
As a preferred technical scheme of the invention, the cross section of the fixing frame is in a U-shaped annular structure, the inner side of the fixing frame is provided with the sealing gasket which is made of rubber materials, and the cross section of the sealing gasket is in a zigzag structure, so that the sealing gasket can effectively play a role in sealing and prevent raw materials in a pipeline from leaking.
As a preferred technical scheme of the present invention, a heat shrink tube is disposed at an outer side between the fixed pipeline and the connection device, the heat shrink tube is connected with the fixed pipeline and the connection device through an adhesive, and the heat shrink tube shrinks inwards under the action of hot wind, so that the heat shrink tube can tightly cover the outer sides of the fixed pipeline and the connection device, and a corrosion phenomenon at a connection position of the fixed pipeline and the connection device is prevented.
In addition, the invention also provides a splicing and mounting method of the assembled petroleum conveying pipeline, which comprises the following steps:
s1, inserting the end part of the manual fixed pipeline into the connecting device, and fixedly connecting the fixed pipeline with the connecting device through a screw;
s2, adjusting the rotating unit, wherein the rotating unit drives the adjusting unit to expand outwards through the rotating frame, the adjusting unit can further drive the supporting rod to be inserted into the jack on the fixed pipeline, and when the inner supporting unit at the end part of the supporting rod enters the jack, the sliding rod drives the supporting plate to expand outwards through the pressing block, so that the supporting plate can be tightly attached to the inner wall of the jack, and the connection tightness between the supporting rod and the jack is ensured;
and S3, after splicing and installation of the fixed pipelines are finished, the end parts of the adjacent spliced pipelines are hermetically connected through the connecting flanges.
(III) advantageous effects
1. According to the assembled petroleum conveying pipeline and the splicing and mounting method thereof, the design concept of assembled splicing and connection is adopted, so that the single-section pipeline is small in size and light in weight, the transportation of the pipeline is facilitated, meanwhile, the splicing effect among the single-section pipelines is good, the operation is simple and convenient, and the long-time use of the pipeline is facilitated;
2. according to the assembly type petroleum conveying pipeline and the splicing installation method thereof, the connecting device can effectively and quickly splice and install the adjacent fixed pipelines, the connecting effect is good, the sealing performance is high, the phenomenon of leakage of the pipelines during transportation is avoided, and the service life of the pipelines is ensured;
3. according to the assembled petroleum conveying pipeline and the splicing installation method thereof, the inner supporting unit can effectively lock and fix the jacks on the fixed pipelines, gaps are prevented from being formed between the supporting rods and the jacks, the phenomenon that adjacent fixed pipelines shake is prevented, and the stability of the structure of the assembled conveying pipeline is guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a stationary pipe according to the present invention;
FIG. 3 is a schematic sectional view of the fixed pipe and the connecting device according to the present invention;
FIG. 4 is a schematic cross-sectional view of the connecting device of the present invention;
FIG. 5 is an enlarged schematic view of the invention at A in FIG. 4;
fig. 6 is a schematic cross-sectional view of the support bar and the inner support unit according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, an assembled oil conveying pipeline, including fixed pipeline 1, flange 2 and connecting device 3, fixed pipeline 1 be cylindrical hollow structure, the fixed pipeline 1 outside is provided with the ladder groove, is connected through connecting device 3 between the adjacent fixed pipeline 1, flange 2 is installed in the fixed pipeline 1 outside of tip, evenly installs the screw hole on flange 2.
The outer side surface of the fixed pipeline 1 is coated with an antirust layer 11, the inner side surface of the fixed pipeline 1 is coated with a corrosion-resistant layer 12, the middle of the fixed pipeline 1 is provided with an empty groove, a heat-insulating unit 13 is arranged inside the empty groove, the antirust layer 11 can effectively prevent the fixed pipeline 1 from rusting during specific work, the corrosion-resistant layer 12 can prolong the effective service life of the pipeline, the heat-insulating unit 13 can play a role in heat insulation, and the low-temperature transportation of the raw materials inside the pipeline is facilitated.
The outer side between fixed pipeline 1 and connecting device 3 be provided with the pyrocondensation pipe, the pyrocondensation pipe is connected with fixed pipeline 1 and connecting device 3 through the adhesive cement, the pyrocondensation pipe inwards contracts through the effect of hot-blast for the pyrocondensation pipe can tightly the cladding in fixed pipeline 1 and the connecting device 3 outside, prevent that the phenomenon of corrosion takes place in the junction of fixed pipeline 1 and connecting device 3.
The connecting device 3 comprises a connecting frame 31, a fixing frame 32, a rotating frame 33, a rotating unit 34, an adjusting unit 35, a supporting rod 36 and an inner supporting unit 37, wherein the connecting frame 31 is of a circular structure, the fixing frame 32 is installed inside the connecting frame 31, the rotating frame 33 is arranged inside the fixing frame 32, the rotating frame 33 is connected with the fixing frame 32 in a sliding fit mode, the rotating unit 34 is installed at the upper end of the connecting frame 31, the adjusting unit 35 is evenly installed inside the fixing frame 32, the supporting rod 36 is installed outside the adjusting unit 35, the supporting rod 36 is connected with the fixing frame 32 in a sliding fit mode, the inner supporting unit 37 is installed at the outer end of the supporting rod 36, during specific work, the rotating unit 34 is manually adjusted, the rotating unit 34 drives the adjusting unit 35 to expand outwards through the rotating frame 33, and the adjusting unit 35 can further drive the supporting, when the inner supporting unit 37 at the end of the supporting rod 36 enters the jack, the inner supporting unit 37 can be tightly attached to the inner wall of the jack, so that the tightness of the connection between the supporting rod 36 and the jack is ensured, the phenomenon of shaking of the spliced pipeline is avoided, and the use effect of the pipeline is ensured.
The rotating unit 34 includes a rotating seat 341, a rotating gear 342 and a ring gear 343, a through hole is formed in the middle of the upper end of the connecting frame 31, the rotating seat 341 is installed in the through hole, a screw hole is formed in the rotating seat 341, the rotating gear 342 is installed at the lower end of the rotating seat 341, the rotating gear 342 is meshed with the ring gear 343, the ring gear 343 is installed in the middle of the outer side of the rotating frame 33, during specific work, the rotating seat 341 is driven to rotate by a wrench, the rotating seat 341 drives the ring gear 343 through the rotating gear 342, and the ring gear 343 can further drive the adjusting unit 35 to work through the rotating frame 33.
Adjusting element 35 include sliding block 351 and movable block 352, the inside symmetry of mount 32 install the spout, be connected with sliding block 351 through sliding fit's mode in the spout, evenly be provided with the ball on the sliding block 351 medial surface, movable block 352 is installed to the sliding block 351 outside, movable block 352 upper end is the arc structure, movable block 352 upper end is provided with the external screw thread, symmetrical on the swivel mount 33 medial surface be provided with external screw thread fit's internal thread, during specific work, when swivel mount 33 rotated, swivel mount 33 drove movable block 352 through screw fit's mode and carries out translation about, movable block 352 and then can drive bracing piece 36 and insert in the jack on fixed pipeline 1, and then can realize carrying out the function of concatenation connection to fixed pipeline 1.
In addition, the invention also provides a splicing and mounting method of the assembled petroleum conveying pipeline, which comprises the following steps:
s1, inserting the end part of the manual fixing pipeline 1 into the connecting device 3, and fixedly connecting the fixing pipeline 1 with the connecting device 3 through screws;
s2, adjusting the rotating unit 34, wherein the rotating unit 34 drives the adjusting unit 35 to expand outwards through the rotating frame 33, the adjusting unit 35 can further drive the supporting rod 36 to be inserted into the jack on the fixed pipeline 1, and when the inner supporting unit 37 at the end of the supporting rod 36 enters the jack, the sliding rod 371 drives the supporting plate 374 to expand outwards through the pressing block 372, so that the supporting plate 374 can be tightly attached to the inner wall of the jack, and the tightness of connection between the supporting rod 36 and the jack is ensured;
and S3, after splicing and installation of the fixed pipelines 1 are finished, the end parts of the adjacent spliced pipelines are hermetically connected through the connecting flange 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an assembled oil conveying pipeline, includes fixed pipeline (1), flange (2) and connecting device (3), its characterized in that: the fixed pipelines (1) are of cylindrical hollow structures, stepped grooves are formed in the outer sides of the fixed pipelines (1), adjacent fixed pipelines (1) are connected through connecting devices (3), connecting flanges (2) are installed on the outer sides of the fixed pipelines (1) at the end portions, and threaded holes are evenly formed in the connecting flanges (2); wherein:
the connecting device (3) comprises a connecting frame (31), a fixing frame (32), a rotating frame (33), a rotating unit (34), an adjusting unit (35), a supporting rod (36) and an inner supporting unit (37), wherein the connecting frame (31) is of a circular ring structure, the fixing frame (32) is installed inside the connecting frame (31), the rotating frame (33) is arranged inside the fixing frame (32), the rotating frame (33) is connected with the fixing frame (32) in a sliding fit mode, the rotating unit (34) is installed at the upper end of the connecting frame (31), the adjusting unit (35) is uniformly installed inside the fixing frame (32), the supporting rod (36) is installed on the outer side of the adjusting unit (35), the supporting rod (36) is connected with the fixing frame (32) in a sliding fit mode, and the inner supporting unit (37) is installed at the outer end;
interior support unit (37) include slide bar (371), briquetting (372), expanding spring (373) and backup pad (374), bracing piece (36) outer end be provided with the sliding tray, be connected with slide bar (371) through sliding fit's mode in the sliding tray, slide bar (371) cross-section is T type structure, slide bar (371) mid-mounting has briquetting (372), be provided with expanding spring (373) on slide bar (371), bracing piece (36) outer end evenly is provided with the draw-in groove that communicates with the sliding tray, install backup pad (374) through the round pin axle in the draw-in groove, backup pad (374) are the arc structure, be provided with the rubber packing on backup pad (374) lateral surface.
2. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: the outer side surface of the fixed pipeline (1) is coated with an antirust layer (11), the inner side surface of the fixed pipeline (1) is coated with a corrosion-resistant layer (12), the middle of the fixed pipeline (1) is provided with an empty groove, and a heat-insulating unit (13) is arranged in the empty groove.
3. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: the rotating unit (34) comprises a rotating seat (341), a rotating gear (342) and a ring gear (343), a through hole is formed in the middle of the upper end of the connecting frame (31), the rotating seat (341) is installed in the through hole, a screw hole is formed in the rotating seat (341), the rotating gear (342) is installed at the lower end of the rotating seat (341), the rotating gear (342) is meshed with the ring gear (343), and the ring gear (343) is installed in the middle of the outer side of the rotating frame (33).
4. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: adjusting element (35) include sliding block (351) and movable block (352), mount (32) inside symmetry install the spout, be connected with sliding block (351) through sliding fit's mode in the spout, evenly be provided with the ball on sliding block (351) the medial surface, movable block (352) are installed to the sliding block (351) outside, movable block (352) upper end is the arc structure, movable block (352) upper end is provided with the external screw thread, symmetry be provided with on rotating turret (33) medial surface with external screw thread complex internal thread.
5. The fabricated petroleum conveying pipeline according to claim 2, characterized in that: the heat preservation unit (13) include heat preservation (131) and insulating tube (132), the dead slot in evenly install insulating tube (132), it has heat preservation (131) to fill between adjacent insulating tube (132), heat preservation (131) are made for rock wool heat preservation felt.
6. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: the cross section of the fixing frame (32) is of a U-shaped annular structure, a sealing gasket is arranged on the inner side of the fixing frame (32), the sealing gasket is made of rubber materials, and the cross section of the sealing gasket is of a sawtooth structure.
7. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: and a heat-shrinkable tube is arranged on the outer side between the fixed pipeline (1) and the connecting device (3), and is connected with the fixed pipeline (1) and the connecting device (3) through bonding glue.
8. The fabricated petroleum conveying pipeline according to claim 1, characterized in that: the splicing and mounting method of the assembled petroleum conveying pipeline comprises the following steps:
s1, inserting the end of the manual fixing pipeline (1) into the connecting device (3), and fixedly connecting the fixing pipeline (1) with the connecting device (3) through screws;
s2, adjusting the rotating unit (34), wherein the rotating unit (34) drives the adjusting unit (35) to expand outwards through the rotating frame (33), the adjusting unit (35) can further drive the supporting rod (36) to be inserted into the jack on the fixed pipeline (1), and when the inner supporting unit (37) at the end part of the supporting rod (36) enters the jack, the sliding rod (371) drives the supporting plate (374) to expand outwards through the pressing block (372), so that the supporting plate (374) can be attached to the inner wall of the jack, and the tightness of connection between the supporting rod (36) and the jack is ensured;
and S3, after splicing and installation of the fixed pipelines (1), sealing and connecting the end parts of the adjacent spliced pipelines through the connecting flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995548.XA CN112082008B (en) | 2020-09-21 | 2020-09-21 | Assembled petroleum conveying pipeline and splicing installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995548.XA CN112082008B (en) | 2020-09-21 | 2020-09-21 | Assembled petroleum conveying pipeline and splicing installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112082008A true CN112082008A (en) | 2020-12-15 |
| CN112082008B CN112082008B (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010995548.XA Active CN112082008B (en) | 2020-09-21 | 2020-09-21 | Assembled petroleum conveying pipeline and splicing installation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112082008B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028169A (en) * | 2021-04-20 | 2021-06-25 | 刘巧平 | Gas pipeline laid by town road transport network |
| CN113187986A (en) * | 2021-04-16 | 2021-07-30 | 宁夏领航保温材料有限公司 | Heat preservation pipe convenient to splice and construction method |
| CN114542823A (en) * | 2022-03-14 | 2022-05-27 | 江苏力达实业科技有限公司 | Flange connecting piece with internal adjusting and locking mechanism |
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| CN108799639A (en) * | 2018-07-04 | 2018-11-13 | 重庆四通八达管业有限公司 | A kind of frp lining concrete supplying drainage and its preparation process |
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| KR20040034647A (en) * | 2004-03-26 | 2004-04-28 | 동원철강 주식회사 | The plastics pipe which has the Connection tool |
| DE102013219285A1 (en) * | 2013-09-25 | 2015-03-26 | Schaeffler Technologies Gmbh & Co. Kg | Device with at least two mutually movable elements and with a sleeve |
| CN107117224A (en) * | 2017-05-15 | 2017-09-01 | 宿州迅驰电子科技有限公司 | A kind of lamp post clean robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187986A (en) * | 2021-04-16 | 2021-07-30 | 宁夏领航保温材料有限公司 | Heat preservation pipe convenient to splice and construction method |
| CN113187986B (en) * | 2021-04-16 | 2023-02-17 | 宁夏领航保温材料有限公司 | Heat preservation pipe convenient to splice and construction method |
| CN113028169A (en) * | 2021-04-20 | 2021-06-25 | 刘巧平 | Gas pipeline laid by town road transport network |
| CN113028169B (en) * | 2021-04-20 | 2022-05-24 | 刘巧平 | Gas pipeline laid by town road transport network |
| CN114542823A (en) * | 2022-03-14 | 2022-05-27 | 江苏力达实业科技有限公司 | Flange connecting piece with internal adjusting and locking mechanism |
| CN114542823B (en) * | 2022-03-14 | 2023-07-25 | 江苏力达实业科技有限公司 | Flange connecting piece with internal adjusting and locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112082008B (en) | 2022-05-06 |
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