CN102155585B - Method for laying mine slurry pipeline in long and narrow section - Google Patents
Method for laying mine slurry pipeline in long and narrow section Download PDFInfo
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- CN102155585B CN102155585B CN2011100909627A CN201110090962A CN102155585B CN 102155585 B CN102155585 B CN 102155585B CN 2011100909627 A CN2011100909627 A CN 2011100909627A CN 201110090962 A CN201110090962 A CN 201110090962A CN 102155585 B CN102155585 B CN 102155585B
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Abstract
The invention discloses a method for laying a mine slurry pipeline in a long and narrow section, which can shorten a construction period. In the method, the length of a corresponding straight pipe section is determined by taking positions, where two bent pipes are connected in front of and behind the same straight pipe section, as demarcation points. The method comprises the following steps of: 1, grooving, laying a track in a pipe groove, arranging a trolley with a circular-arc pipe seat on the track, matching the circular arc of the circular-arc pipe seat with the outer circle of a pipeline, arranging a cushion on the circular-arc pipe seat and pairwise welding single pipes into a straight pipe section of a required length in a wide region; 2, pulling the entire straight pipe section into the pipe groove by using traction equipment and the trolley, supporting the straight pipe section with a supporting frame, removing the trolley, the traction equipment and the track and putting the straight pipe section down; and 3, connecting the straight pipe section with the bent pipe at the two ends and refilling the pipe groove. The method has a simple process, and is easy to operate; the one-step laying distance is large, the construction period is shortened, and the cost is lowered; and the method has high safety, and is particularly suitable for large-caliber long-distance mine slurry pipelines.
Description
Technical field
The present invention relates to a kind of pipe laying method, especially a kind of ore slurry pipeline is at the laying method in long and narrow location.
Background technique
For the heavy caliber ore slurry pipeline of diameter more than 600mm, adopt " trench digging and channelling ", " pipeline welding " staggered parallel operating type during laying task usually.With the pairing position of laying of single pipe is a pipe station, and its sequence of operation is: first stringing, and post-trenching, the welding of carrying out single pipe again forms pipeline section, pipe section lowering in backfill then ... So interlock and carry out operation.
When opening carried out pipe laying, the builder's yard was broad, no matter be that single pipe is straight tube or bend pipe, can use little heavy-duty hoisting equipment directly to mention single pipeline and carry out stringing, and trench digging equipment, crane gear and welding equipment are independent of each other.But when carrying out pipe laying in long and narrow locations such as ridge, coombe, mountain valleys, the operation bandwidth narrows down, and generally in 6m, pipeline welding this moment and ditching operation just can't be interlocked and carried out, and can't use conventional laying method again.If continue to use existing flow chart again, then can cause construction speed very slow.
Summary of the invention
For overcome existing pipe laying method in long and narrow location deficiency long in time limit during operation, but technical problem to be solved by this invention provides the laying method of the ore slurry pipeline of a kind of reduction of erection time in long and narrow location.
The technical solution adopted for the present invention to solve the technical problems is: ore slurry pipeline is at the laying method in long and narrow location; With the joint of straight tube and bend pipe as separation; Confirm the length of straight length, by laying of the said straight length between following two adjacent bend pipes of step completion
The first step, trench digging and welded tube: at first accomplish the ditching operation of said straight length, in pipe trench, lay track again, the dolly of mounting strap circular arc base on the track, the circular arc of circular arc base and the cylindrical of pipeline are complementary, and dispose cushion on the circular arc base; The straight length that single pipe welding one-tenth is needed length at opening;
In second step, straight length is in place: straight length is placed in the base on the dolly, utilizes pulling equipment and dolly that whole straight length is drawn in the pipe trench, prop up straight length with supporting frame, remove dolly, pulling equipment and track then, put down straight length;
The 3rd step, backfill: after connecting the bend pipe at straight length and its two ends, the backfill pipe trench.
Said cushion adopts rubber pad.
The invention has the beneficial effects as follows: operation is simple, and processing ease once lays distance greatly, has shortened the duration, has reduced cost; Safe, be particularly suitable for the cable laying operation of heavy caliber length apart from ore slurry pipeline.
Description of drawings
Fig. 1 is the schematic representation of straight length or straight tube segmentation.
Fig. 2 is a straight length schematic representation in place.
Fig. 3 is the schematic representation of dolly.
Fig. 4 is the left view of Fig. 3.
Be labeled as among the figure: the 1-straight length, the 2-dolly, the 3-track, the 4-pipe trench, the 5-pulling equipment, the 6-supporting frame, the segmentation of 10-straight tube, the single pipe of 100-, the straight tube that 101-is connected with bend pipe, the 102-two ends all connect the straight tube of straight tube.
Embodiment
Further specify in the face of the present invention down.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; Ore slurry pipeline of the present invention is at the laying method in long and narrow location, be joint with straight tube and bend pipe as separation, confirm the length of straight length 1; By laying of the said straight length 1 between following two adjacent bend pipes of step completion
The first step, trench digging and welded tube: at first accomplish the ditching operation of said straight length 1, in pipe trench 4, lay track 3 again; The dolly 2 of mounting strap circular arc base 20 on the track 3; The circular arc of circular arc base 20 and the cylindrical of pipeline are complementary, and will dispose cushion 21 on the circular arc base 20, avoid hard contact; Thereby prevent that the application layer on the pipe 100 is damaged, single pipe 100 welding one-tenth are needed the straight length 1 of length at opening;
In second step, straight length is in place: in the base 20 of first dolly 2 of position of sound production of 2～4 meters apart from the termination of welding is good straight lengths 1, remaining disposes a dolly 2 by every at a distance from 20～25 meters; Straight length 1 is supported on the base 20 of each dolly 2; And straight length 1 and each dolly 2 bundled, to improve safety coefficient, utilize pulling equipment 5 and dolly 2 that straight length 1 all is drawn in the pipe trench 4; Prop up straight length 1 with supporting frame 6, remove dolly 2, pulling equipment 5 and track 3 then;
The 3rd step, backfill: after connecting the bend pipe at straight length 1 and its two ends, backfill pipe trench 4.
If the length of one section straight length 1 is long, make the haul of dolly become at need, also can be in the first step; Described straight length 1 is made as the straight tube segmentation 10 more than two sections; Each straight tube segmentation 10 is formed by connecting on the single pipe 100 more than two, accordingly, and in second step; With pulling equipment 5 and dolly 2 each straight tube segmentation 10 is hauled to its corresponding pipe trench position, again each straight tube segmentation 10 is interconnected to the straight length 1 of an integral body.Usually, should by from the place that makes straight tube segmentation 10 to from far near each straight tube segmentation 10 of order haul pipe trench 4 far-ends, in order to avoid be introduced into the transportation that the straight tube segmentation 10 of pipe trench 4 hinders the straight tube segmentation 10 of back.
Before removing dolly, track and pulling equipment; Need straight length 1 or straight tube segmentation 10 be supported with supporting frame 6; At this moment; Can adopt instruments such as chain block commonly used to hoist, and support, remove before the supporting frame 6 still instrument such as available chain block and straight length 1 is fallen to reducing in the pipe trench 4 in the original place with supporting frames such as tripod 6 in the original place.
Pulling equipment 5 should be arranged on outside the two ends of pipe trench 4 middle orbits 3.
Like Fig. 3 and shown in Figure 4, said cushion 21 adopts rubber pad, can further increase friction, prevents straight length 1 accidental slide, improves operational security.
Among the present invention, in pipe trench 4, lay track 3 behind the trench digging, and many pipes 100 are connected to become straight length 1 or straight tube segmentation 10; Spur with pulling equipment 5 and dolly 2 again, straight length 1 or straight tube segmentation 10 are transported in the pipe trench 4, adjust back in place and support with supporting frame 6; Remove dolly 2, pulling equipment 5 and track 3 again; Connect each straight tube segmentation 10 in case of necessity, and connect the bend pipe at straight length 1 and two ends thereof, last backfill pipe trench 4.
Key of the present invention is to convert many pipes 100 into a straight length 1 or straight tube segmentation 10; Therefore can weld job be changed into opening carries out as far as possible; Track 3 in the pipe trench 4 and dolly 2 be means of transportation also be laying tool simultaneously; Avoided plurality of devices to switch operation back and forth, thereby shortened the duration significantly in long and narrow location.
Usually, said pulling equipment 5 can adopt winch, according to the equipment configuration at scene, also can adopt tractor, loader, excavator etc. as pulling equipment 5.
Claims (2)
1. ore slurry pipeline is characterized in that at the laying method in long and narrow location: as separation, confirm the length of straight length (1) with the joint of straight tube and bend pipe, accomplish laying of said straight length (1) between two adjacent bend pipes by following step,
The first step; Trench digging and welded tube: the ditching operation of at first accomplishing said straight length (1); In pipe trench (4), lay track (3) again, track (3) is gone up the dolly (2) of mounting strap circular arc base (20), and the circular arc of circular arc base (20) and the cylindrical of pipeline are complementary; Circular arc base (20) is gone up configuration cushion (21); At opening single pipe (100) welding one-tenth is needed the straight length (1) of length, described straight length (1) is made as the straight tube segmentation (10) more than two sections, and each straight tube segmentation (10) is formed by connecting on the single pipe (100) more than two;
Second step; Straight length is in place: straight tube segmentation (10) is placed in the base (20) on the dolly; Utilize pulling equipment (5) and dolly (2) that each straight tube segmentation (10) is hauled to its corresponding pipe trench position; Again each straight tube segmentation (10) is interconnected to the straight length (1) of an integral body, props up straight length (1), remove dolly (2), pulling equipment (5) and track (3) then with supporting frame (6);
The 3rd step, backfill: after connecting the bend pipe at straight length (1) and its two ends, backfill pipe trench (4).
2. ore slurry pipeline as claimed in claim 1 is characterized in that at the laying method in long and narrow location: said cushion (21) adopts rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100909627A CN102155585B (en) | 2011-04-12 | 2011-04-12 | Method for laying mine slurry pipeline in long and narrow section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100909627A CN102155585B (en) | 2011-04-12 | 2011-04-12 | Method for laying mine slurry pipeline in long and narrow section |
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| Publication Number | Publication Date |
|---|---|
| CN102155585A CN102155585A (en) | 2011-08-17 |
| CN102155585B true CN102155585B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100909627A Active CN102155585B (en) | 2011-04-12 | 2011-04-12 | Method for laying mine slurry pipeline in long and narrow section |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075028B (en) * | 2014-07-18 | 2016-03-02 | 中国二十二冶集团有限公司 | Piping lane poling method of construction |
| CN104896194B (en) * | 2015-05-27 | 2017-03-22 | 中国五冶集团有限公司 | Installation technology of pipes, buttresses and embedded parts in closed and narrow space |
| CN105605308B (en) * | 2015-09-06 | 2017-12-29 | 中国水利水电第十三工程局有限公司 | Municipal blow-off line laying construction method |
| CN105221839B (en) * | 2015-10-21 | 2017-05-31 | 中国海洋石油总公司 | The construction technology of the Large Diameter Pipeline pipeline under double-type cryogenic insulating |
| CN108980520A (en) * | 2018-09-26 | 2018-12-11 | 江苏清源管道技术有限公司 | A kind of closed conduit anti-corrosive apparatus and anti-corrosion method |
| CN110053936B (en) * | 2019-05-27 | 2021-01-05 | 中国二十冶集团有限公司 | Pipeline conveying device and pipeline conveying method |
| CN110848458A (en) * | 2019-11-25 | 2020-02-28 | 中国十九冶集团有限公司 | Buried pipeline installation method |
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|---|---|---|---|---|
| EP0601442A1 (en) * | 1992-12-11 | 1994-06-15 | CHRISTIAN KOST BAUUNTERNEHMUNG GmbH | Pipe laying process having simultaneous driving press |
| CN2477918Y (en) * | 2000-11-14 | 2002-02-20 | 胜利石油管理局工程建设一公司三分公司 | Appts. for transporting land prefabricated pipeline to seebed pipeline |
| CN1558130A (en) * | 2004-01-30 | 2004-12-29 | 胜利油田胜利石油化工建设有限责任公 | Down-ditch construction method for laying heavy caliber pipeline |
| CN101660630A (en) * | 2008-08-26 | 2010-03-03 | 宝山钢铁股份有限公司 | Method for mounting large-diameter pipeline in confined space |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11182735A (en) * | 1997-12-16 | 1999-07-06 | Nkk Corp | Piping work execution device |
| JPH11351449A (en) * | 1998-06-10 | 1999-12-24 | Nkk Corp | Centering device for execution of piping work |
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2011
- 2011-04-12 CN CN2011100909627A patent/CN102155585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601442A1 (en) * | 1992-12-11 | 1994-06-15 | CHRISTIAN KOST BAUUNTERNEHMUNG GmbH | Pipe laying process having simultaneous driving press |
| CN2477918Y (en) * | 2000-11-14 | 2002-02-20 | 胜利石油管理局工程建设一公司三分公司 | Appts. for transporting land prefabricated pipeline to seebed pipeline |
| CN1558130A (en) * | 2004-01-30 | 2004-12-29 | 胜利油田胜利石油化工建设有限责任公 | Down-ditch construction method for laying heavy caliber pipeline |
| CN101660630A (en) * | 2008-08-26 | 2010-03-03 | 宝山钢铁股份有限公司 | Method for mounting large-diameter pipeline in confined space |
Non-Patent Citations (2)
| Title |
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| JP特开平11-182735A 1999.07.06 |
| JP特开平11-351449A 1999.12.24 |
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| CN102155585A (en) | 2011-08-17 |
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