CN1252406C - Superlength metallic tubes and its mfg. method - Google Patents
Superlength metallic tubes and its mfg. method Download PDFInfo
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- CN1252406C CN1252406C CN 200410008927 CN200410008927A CN1252406C CN 1252406 C CN1252406 C CN 1252406C CN 200410008927 CN200410008927 CN 200410008927 CN 200410008927 A CN200410008927 A CN 200410008927A CN 1252406 C CN1252406 C CN 1252406C
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- metal tube
- overlength
- metal pipe
- pipe
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Abstract
The present invention provides an ultralong metal pipe and a manufacturing method thereof, which belongs to the technical field of a metal pipe and the manufacturing method thereof. The present invention solves the problems that an ultralong metal pipe does not exceed 20 meters and the ultralong metal pipe is manufactured in the background art, and mainly comprises that the length of the ultralong metal pipe which is manufactured on site exceeds 20 meters. The ultralong metal pipe can be a single layer pipe of homogeneous metal, and can be a multiple layer pipe of homogeneous metal or heterogeneous metal. The manufacturing method of the ultralong metal pipe mainly comprises: two plates (1) with homogeneous metal in the shape of a long bar are compressed by a compressing device (2); both sides of each of the edges of the two plates are sealed and welded with strength; a single layer metal pipe blank (5) is made and is coiled; the coiled metal pipe blank (5) is conveyed to a construction site; the single layer metal pipe blank (5) is unfolded and uncoiled according to design requirements; the ultralong metal pipe is finally made by expanding diameter and shaping. The ultralong metal pipe and the manufacturing method thereof of the present invention are mainly used for laying and repairing underground pipelines with various types.
Description
Technical field
The overlength production method of metal pipe that the present invention proposes belongs to the manufacturing technology field of metal tube, specially refers to the overlength production method of metal pipe that use the job site.
Background technique
The metal current length of tube is generally 6-12 rice, and the longest is 20 meters, requires in the metallic conduit job site short metal tube is coupled together with welding or other mechanical connection methods, and time-consuming cost fund is big.
The single metal pipe manufacturer has row's roll-type tubulation, crawler tubulation, UOE tubulation, spiral tubulation, pipe crimping, cold rolling or hot rolling seamless metal pipe etc.
Up to now, do not see that as yet on-the-spot tubulation length surpasses the report of 20 meters overlength production method of metal pipe.
Summary of the invention
At the problem that exists in the background technique, the objective of the invention is to propose a kind of safe, reliable, economic overlength production method of metal pipe.
Purpose of the present invention reaches by following technological scheme:
1, a kind of overlength production method of metal pipe is characterized in that, comprises the steps: with a kind of individual layer overlength production method of metal pipe of metal
1) two rectangular plate 1 stacked backs with a kind of metal compress it by hold down gag 2;
2) finish two rectangular plate 1 edge sealings and intensity welding by soldering installation 3,4, finally make flat metal tube embryo 5;
3) make metal tube embryo 5 be rolled into web-like by lap former 6;
4) handling launches according to the designing requirement size to the web-like metal tube embryo 5 of job site;
5) place the metal tube embryo 5 that launches on the soil layer 7 of the on-the-spot ditch of pipeline construction bottom to make the space of 1 of two rectangular plate form individual layer overlength metal tube through the footpath of expanding.
2, also have a kind of overlength production method of metal pipe, when the overlength metal tube was made up of the metal of the same race more than two-layer or two-layer, this method comprised the steps: in this method
1) the rectangular plate of multilayer 1 stacked back compresses it by hold down gag 2;
2) the rectangular plate 1 of multilayer is finished the sealing of its edge by soldering installation 3,4 or compression bonding apparatus one or many and is connected with intensity, finally makes flat metal tube embryo 5;
3) make metal tube embryo 5 be rolled into web-like by lap former 6;
4) handling launches according to the designing requirement size to the web-like metal tube embryo 5 of job site;
5) place the metal tube embryo 5 that launches on the soil layer 7 of the on-the-spot ditch of pipeline construction bottom to make the space of 1 of the rectangular plate of multilayer form the overlength metal tube of two-layer or multilayer through the footpath of expanding.
3, in above-mentioned 2 described manufacture methodes, when the overlength metal tube is made up of the dissimilar metal more than two-layer or two-layer, above-mentioned 2 step 2) in, the edge that can only repeatedly finish the rectangular plate 1 of multilayer by soldering installation (3,4) or compression bonding apparatus is connected with intensity.
4, in above-mentioned 1 or 2 or 3 described manufacture methodes, bloated footpath in the step 5) can be finished by the bloated footpath of logical ball drawing, hydraulic pressure, the bloated footpath of air pressure or the bloated footpath of explosive forming, the two ends of metal tube embryo 5 should seal when wherein, expanded in the footpath in hydraulic pressure, air pressure or explosive forming.
5, in above-mentioned 1 or 2 or 3 described manufacture methodes, the metal tube embryo 5 that step 5) is launched can crooked be placed in the housing 8 on the soil layer 7, after the footpath of expanding forms overlength metal tubes in the housing pipe 8.
6, in above-mentioned 1 or 2 or 3 described manufacture methodes, the material of overlength metal tube can be carbon steel, stainless steel, titanium, nickel, aluminium or copper.
Overlength production method of metal pipe of the present invention is compared with background technique and is had the following advantages:
1 can lay long-distance pipe according to designing requirement at the construction field (site), and specific energy is economical, convenient, fast, efficient mutually with the short metal tube of general laying.
2 produce the multilayer overlength metal tube of different metal at the construction field (site), and for example liner is that stainless steel, skin are the overlength metal tube of carbon steel, is issued to antiseptic effect in the little situation of cost like this.
The multilayer tubing of 3 same thickness is compared with mono-layer tube, the former more flexible and moulding.
Overlength production method of metal pipe of the present invention is used for various types of under ground pipings and lays and repair.
Description of drawings
The schematic representation of the overlength production method of metal pipe step of Fig. 1 individual layer;
Fig. 2 (a) both sides have the cross-section profile of the metal tube embryo of being made up of the rectangular plate of double layer of metal of sealing and intensity weld seam;
Fig. 2 (b) side has the cross-section profile of the metal tube embryo of being made up of the rectangular plate of double layer of metal of sealing and intensity weld seam;
Fig. 2 (c) both sides have the cross-section profile of the metal tube embryo of being made up of four layers of rectangular plate of metal of sealing and intensity weld seam;
Fig. 2 (d) both sides have the cross-section profile of the metal tube embryo of being made up of six layers of rectangular plate of metal of sealing and intensity weld seam;
Fig. 3 (a) is made the schematic representation of overlength metal tube transverse section at the construction field (site) by the metal tube embryo;
Fig. 3 (b) is made the schematic representation of overlength metal tube at the construction field (site) by the metal tube embryo in the housing pipe.
Embodiment
Describe the overlength production method of metal pipe that the present invention proposes in detail below by accompanying drawing.
Fig. 1 shows the schematic representation by the step of the overlength metal tube of metal tube embryo 5 manufacturing individual layers.Launch each termination of the rectangular plate 1 of metal that two coiled material matter are identical, be superimposed, it is compressed and move forward by hold down gag 2, then finish the sealing and the intensity welding at two the rectangular plate of metal 1 edges by soldering installation 3 and 4, make flat metal tube embryo 5, relend furtherance winding apparatus 6 and make metal tube embryo 5 be rolled into volume thereafter.
The various structural type of the metal tube embryo of forming by two-layer, four layers and six layers of rectangular plate 1 of metal 5 of Fig. 2 (a)-Fig. 2 (d) expression.
The cross-section profile of the metal tube embryo of being made up of the rectangular plate 1 of double layer of metal 5 that Fig. 2 (a) shows, wherein, rectangular plate 1 both sides of double layer of metal are sealing and intensity weld seam 5-1.Fig. 2 (b) is the another kind of structural type of the metal tube embryo 5 be made up of the rectangular plate 1 of double layer of metal, and wherein, a side of the rectangular plate 1 of metal is curved shape, and the opposite side edge forms sealing and intensity weld seam 5-2.The cross-section profile of the metal tube embryo 5 that the rectangular plate 1 by four layers of metal of Fig. 2 (c) expression is formed, wherein, each forms sealing and intensity weld seam 5-4 rectangular plate 1 both sides of the edge of the double layer of metal of the inside, and the both sides of the edge of two rectangular plates 1 of metal of outside respectively form sealing and intensity weld seam 5-3.The cross-section profile of the metal tube embryo 5 that the rectangular plate 1 by six layers of metal of Fig. 2 (d) expression is formed, wherein, each forms sealing and intensity weld seam 5-7 the both sides of edges of the rectangular plate 1 of innermost double layer of metal, each forms sealing and intensity weld seam 5-5 the both sides of edges of the rectangular plate 1 of outmost double layer of metal, and the both sides of edges of the rectangular plate 1 of middle double layer of metal respectively forms sealing and intensity weld seam 5-6.
Fig. 3 (a) expression be that metal tube embryo 5 handlings of rolling launch according to the designing requirement unwrapping wire to the job site, thereafter, form the overlength metal tube of individual layer between two rectangular plates 1 through the footpath of expanding, metal tube embryo 5 and the overlength metal tube that formed afterwards all place on the soil layer 7 of ditch bottom.
Fig. 3 (b) expression and the manufacture method similar substantially another kind of metal tube embryo 5 of Fig. 3 (a), its difference only is that metal tube embryo 5 is in housing pipe 8 is inserted in bending, thereafter, metal tube embryo 5 is finally made lining overlength metal tube through the footpath of expanding.
Embodiment
1, adopt manufacture method of the present invention to make a kind of overlength metal tube that is used for groundwater supply.Virgin metal pipe diameter phi 529mm, thick 7mm, long 370m.Adopt two-layer 304 corrosion resistant plates, thickness is 1mm, length 371.2m, and width 808.55mm, the two stack, its both sides of edges is tightly connected with welding method and makes the metal tube embryo, is that the lap former of φ 1500mm is rolled into volume with diameter again, totally 70 multilayers.The metal tube embryo handling of rolling is to on-the-spot, putting into the degree of depth is 1.8m, long 2.4m, in the construction well of wide 1.5m, this metal tube embryo is in the housing pipe that is formed by the virgin metal pipe is inserted in bending, and Stainless Steel Tube embryo two ends exceed about virgin metal pipe 0.5m, and diameter is a φ 15mm water flowing short tube on Stainless Steel Tube embryo one face down bonding, connect pressure water pump, expanding through waterpower directly forms the overlength metal tube of two-layer dissimilar metal.
2,400m chloride ion-containing water-purifying pipe is laid in certain chemical plant design, and former design size is φ 89mm * 3mm, and material is the stainless weldless tube of 316L, price 4.2 ten thousand/ton, and budget material cost and welding expense amount to 112680 yuan.Use three layers of overlength metal tube of dissimilar metal that the present invention proposes, effect is identical, and material cost and welding take and amount to 67869.45 yuan, save investment 39.76%.Manufacture method is as follows:
The two-layer 316L corrosion resistant plate of using of liner, thick 1mm, wide 131.88mm, long 401m, 2.8 ten thousand yuan/ton of this stainless steel roll bendings; The middle two-layer Q235 carbon steel board of using, thick 1mm, wide 135.02mm, long 401.010m; Two-layer 304 stainless steels of using of outermost, thick 1mm, wide 138.16mm, long 401.015m.Utilize T1G to weld three times after totally 6 laminate materials compress respectively to internal layer, the rectangular plate of mesosphere and outer layer metal welds, form the metal tube embryo of six layers of dissimilar metal, launch handling to job site after this metal tube embryo rolling, with waterpower hydraulic pressure expand footpath shape grow up to three layers dissimilar metal the overlength metal tube and come into operation.
Claims (6)
1, a kind of overlength production method of metal pipe is characterized in that, comprises the steps: with a kind of individual layer overlength production method of metal pipe of metal
1) by hold down gag (2) it is compressed with the stacked back of a kind of two rectangular plates (1) of metal;
2) finish sealing of two rectangular plates (1) edge and intensity welding by soldering installation (3,4), finally make flat metal tube embryo (5);
3) make metal tube embryo (5) be rolled into web-like by lap former (6);
4) handling launches according to the designing requirement size to the web-like metal tube embryo (5) of job site;
5) placing the soil layer (7) of the on-the-spot ditch of pipeline construction bottom to go up the metal tube embryo (5) that launches makes the space between two rectangular plates (1) form individual layer overlength metal tube through the footpath of expanding.
2, a kind of overlength production method of metal pipe is characterized in that, when forming the overlength metal tube by the metal of the same race more than two-layer or two-layer, this method comprises the steps:
1) the stacked back of the rectangular plate of multilayer (1) compresses it by hold down gag (2);
2) the rectangular plate of multilayer (1) is finished the sealing of its edge by soldering installation (3,4) or compression bonding apparatus one or many and is connected with intensity, finally makes flat metal tube embryo (5);
3) make metal tube embryo (5) be rolled into web-like by lap former (6);
4) handling launches according to the designing requirement size to the metal tube embryo (5) of job site web-like;
5) placing the soil layer (7) of the on-the-spot ditch of pipeline construction bottom to go up the metal tube embryo (5) that launches makes the space between the rectangular plate of multilayer (1) form two-layer or two-layer above overlength metal tube through the footpath of expanding.
3, a kind of overlength production method of metal pipe according to claim 2, it is characterized in that, when the overlength metal tube more than two-layer or two-layer is made up of dissimilar metal, above-mentioned steps 2) edge that can only repeatedly finish rectangular plate (1) by soldering installation (3,4) or compression bonding apparatus in is connected with intensity.
4, according to claim 1 or 2 or 3 described a kind of overlength production method of metal pipe, it is characterized in that, bloated footpath in the step 5) of this method can be finished by the bloated footpath of logical ball drawing, hydraulic pressure, the bloated footpath of air pressure or the bloated footpath of explosive forming, the two ends of metal tube embryo (5) should seal when wherein, expanded in the footpath in hydraulic pressure, air pressure or explosive forming.
5, according to claim 1 or 2 or 3 described a kind of overlength production method of metal pipe, it is characterized in that, the metal tube embryo (5) that the step 5) of this method is launched can bending be placed in the housing pipe (8) on the soil layer (7), after the footpath of expanding forms the overlength metal tube in the housing pipe (8).
6, according to claim 1 or 2 or 3 described a kind of overlength production method of metal pipe, it is characterized in that the material of overlength metal tube is carbon steel, stainless steel, titanium, nickel, aluminium or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410008927 CN1252406C (en) | 2004-03-15 | 2004-03-15 | Superlength metallic tubes and its mfg. method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410008927 CN1252406C (en) | 2004-03-15 | 2004-03-15 | Superlength metallic tubes and its mfg. method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563770A CN1563770A (en) | 2005-01-12 |
| CN1252406C true CN1252406C (en) | 2006-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410008927 Expired - Fee Related CN1252406C (en) | 2004-03-15 | 2004-03-15 | Superlength metallic tubes and its mfg. method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1252406C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015222095B2 (en) * | 2014-02-27 | 2017-06-15 | Shell Internationale Research Maatschappij B.V. | Method and system for lining a tubular |
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2004
- 2004-03-15 CN CN 200410008927 patent/CN1252406C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1563770A (en) | 2005-01-12 |
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Granted publication date: 20060419 |