CN109185590A - A kind of energy-saving, environment-friendly and high-efficiency concetrated pipe and its production technology - Google Patents
A kind of energy-saving, environment-friendly and high-efficiency concetrated pipe and its production technology Download PDFInfo
- Publication number
- CN109185590A CN109185590A CN201811289569.9A CN201811289569A CN109185590A CN 109185590 A CN109185590 A CN 109185590A CN 201811289569 A CN201811289569 A CN 201811289569A CN 109185590 A CN109185590 A CN 109185590A
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- pipeline section
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- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 21
- 239000000725 suspension Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/03—Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe and its production technologies, the concetrated pipe includes multiple spaced apart first pipeline sections, the second pipeline section is provided between per adjacent first pipeline section, it is connected by welding between the both ends of second pipeline section and two neighboring first pipeline section, first pipeline section includes bent plate and the first lower bent plate on first, weld seam after weld seam and first before forming first by welding between bent plate and the first lower bent plate on described first, the axis of weld seam and the first pipeline section is located in same level after weld seam and first before described first, second pipeline section includes bent plate and the second lower bent plate on second, pass through weld seam after weld seam and second before second of dislocation arrangement above and below welding formation on described second between the bottom of bent plate and the top of the second lower bent plate.The bent plate superposition that multi-disc can be opened up connection nozzle by the present invention is placed, and is readily transported carryings, is saved parking space, reach it is live after can quick assembly welding, be easily installed.
Description
Technical field
The present invention relates to a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe and its production technologies, belong to conduit coupling technical field.
Background technique
Straight type concetrated pipe is the heavy connection in chemical industry, petroleum and pipeline transportation, is provided with multiple connections on concetrated pipe
Nozzle, in the prior art, some uses will connect nozzle and be set on concetrated pipe by welding, and this mode may result in collection
It closes pipe and generates deformation, and connect the weld seam between nozzle and concetrated pipe over time, it may appear that the case where medium is revealed,
Also some uses Sheet Metal Forming Technology, by specific stamping die, applies downward pressure simultaneously to the compression bar of its two sides, to reach
To the purpose of machine-shaping, but this kind of stamping die is only applicable to small-bore set due to being limited by two sides compression bar length
Pipe processing, can not process bigbore concetrated pipe.And it in the special occasions of industries such as some chemical industry, petroleum, need to use big
The concetrated pipe of bore can be only achieved production and transport requirement, due to its caliber size of concetrated pipe used required in special occasions and length
It is larger to spend size, therefore is carried to transport and also results in great difficulty.
Summary of the invention
The technical problem to be solved by the present invention is to for the above-mentioned prior art provide one kind be readily transported, it is high-quality, make
With the energy-saving, environment-friendly and high-efficiency concetrated pipe and its production technology that the service life is long.
The present invention solves the above problems used technical solution are as follows: a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe, including it is multiple
Spaced apart first pipeline section is often provided with the second pipeline section, the both ends of second pipeline section and phase between adjacent first pipeline section
It being connected by welding between adjacent two the first pipeline sections, first pipeline section includes bent plate and the first lower bent plate on first,
Weld seam after weld seam and first before forming first by welding between the bottom of bent plate and the top of the first lower bent plate on described first,
It is arranged symmetrically before and after weld seam after weld seam and first before described first, and is located in same level with the axis of the first pipeline section；Institute
Stating the second pipeline section includes bent plate and the second lower bent plate on second, on described second the bottom of bent plate and the top of the second lower bent plate it
Between weld seam after weld seam and second formed before second by welding, weld seam misplaces arrangement up and down after weld seam and second before described second,
Weld seam is located at the lower section of the axis of the second pipeline section before described second, and weld seam is located at the upper of the axis of the second pipeline section after described second
Side.
Preferably, it is respectively provided with that there are two the connections to raise upward on the top of first pipeline section and the top of the second pipeline section
Nozzle, multiple connection nozzles are located along the same line.
Preferably, for the connection nozzle by stamping device machine-shaping, the stamping device includes formed punch and punch die, institute
The underface that punch die is set to formed punch is stated, the bottom of the formed punch is provided with Circular Plate, and setting is there are two before in the Circular Plate
The card slot being arranged symmetrically afterwards, the punch die central location offer through-hole, are provided with overarm in the through-hole, and the two of the overarm
End is fixedly connected with the inner wall of through-hole, and the suspender that front and back is arranged symmetrically, the suspender packet are provided between the formed punch and punch die
Clamp, wirerope and suspension hook are included, the top of the wirerope is fixedly connected with clamp, the bottom end of wirerope and the fixed company of suspension hook
It connects, the clamp and card slot are cooperatively connected, and the suspension hook is lifted in overarm.
Preferably, the lower section of the formed punch is evenly arranged with muti-piece support plate, the bottom of the support plate along its circumferencial direction
Portion is fixedly connected with the top surface of Circular Plate.
Preferably, the vertical interval range before described second after weld seam and second between weld seam is 400mm-500mm.
Preferably, the vertical interval before described second after weld seam and second between weld seam is set as 440mm.
Preferably, the outer end of the first pipeline section of the last one arranged from left to right is provided with end socket, is arranged on the end socket
There is outlet.
A kind of production technology of energy-saving, environment-friendly and high-efficiency concetrated pipe, the production technology the following steps are included:
Step 1: blanking
Step 2: presed-steel plate
The two panels steel plate of first pipeline section and the second pipeline section is pressed into the bent plate of semicircle shape；
Step 3: opening up circular hole
Respectively the corresponding position of bent plate on the second of bent plate on the first of the first pipeline section and the second pipeline section is carried out opening up circle
Hole, wherein the circular hole on the first pipeline section is located at the surface of its axis, the circular hole on the second pipeline section be located at its axis it is oblique on
Side；
Step 4: punch forming
Bent plate on the second of bent plate on the first of first pipeline section and the second pipeline section is hoisted to the fixation of punch device respectively
On bracket, concave surface is placed upward, and circular hole is located at the underface of punch die, by manually being added using spray gun to circular hole periphery
Heat, heating temperature recycles punch die to carry out punching press to it to 700-800 DEG C, by heating for multiple times, Multi-step forming, so that
Circular hole machine-shaping is the connection nozzle of protrusion；
Step 5: cutting flash
It carries out the flash connected at the top of nozzle to cut flat with processing；
Step 6: bent plate assembles
The concave surface of the first of first pipeline section lower bent plate is placed upward, the first pipeline section first on bent plate concave surface towards decentralization
It is placed on the first lower bent plate of the first pipeline section, so that curved under the bottom of bent plate and the first of the first pipeline section on the first of the first pipeline section
The top of plate is fixedly connected by welding；
The concave surface of the second of second pipeline section lower bent plate is placed upward, the second pipeline section second on bent plate concave surface towards decentralization
It is placed on the second lower bent plate of the second pipeline section, so that curved on the bottom of bent plate and the second of the second pipeline section on the second of the second pipeline section
The top of plate is fixedly connected by welding；
Step 7: pipeline section docks
The both ends of second pipeline section are subjected to annular solder between two adjacent the first pipeline sections respectively, so that the first pipeline section
It is located in same horizontal line with the connection nozzle on the second pipeline section.
Compared with the prior art, the advantages of the present invention are as follows:
1. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe of the present invention and its production technology, which includes more
A pipeline section, each pipeline section are welded by upper and lower two pieces of bent plates, and the weld seam in adjacent tubular segments is in upper and lower interlaced arrangement, such
Arrangement can effectively avoid cross weld seam, enhance product strength, improve product quality；
2. since the bent plate superposition that multi-disc can be opened up connection nozzle by the energy-saving, environment-friendly and high-efficiency concetrated pipe is placed, convenient for fortune
Defeated carrying, save parking space, reach scene after can quick assembly welding, be easily installed.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of energy-saving, environment-friendly and high-efficiency concetrated pipe of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural schematic diagram of stamping device.
Wherein:
The lower bent plate 1.2 of bent plate 1.1, first on first pipeline section 1, first
The lower bent plate 2.2 of bent plate 2.1, second on second pipeline section 2, second
End socket 3
Outlet 4
Weld seam 5 before first
Weld seam 6 after first
Weld seam 7 before second
Weld seam 8 after second
Connect nozzle 9
Formed punch 10
Punch die 11
Circular Plate 12
Support plate 13
Card slot 14
Through-hole 15
Overarm 16
Suspender 17, clamp 17.1, wirerope 17.2, suspension hook 17.3.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Referring to Fig. 1-Fig. 2, a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe of the present invention, including multiple spaced apart first
Pipeline section 1 is often provided with the second pipeline section 2, the both ends of second pipeline section 2 and adjacent first pipeline section 1 between adjacent first pipeline section 1
Between connect by welding, the outer end of the first pipeline section of the last one arranged from left to right 1 is provided with end socket 3, described
Outlet 4 is provided on end socket 3；
First pipeline section 1 includes bent plate 1.1 and the first lower bent plate 1.2 on first, the bottom of bent plate 1.1 on described first
And first lower bent plate 1.2 top between form first by welding before weld seam 6 after weld seam 5 and first, weld seam 5 before described first
It is arranged symmetrically before and after weld seam 6 after with first, and is located in same level with the axis of the first pipeline section 1；Second pipeline section 2 wraps
Include on second bent plate 2.1 and the second lower bent plate 2.2, on described second the bottom of bent plate 2.1 and the top of the second lower bent plate 2.2 it
Between weld seam 8 after weld seam 7 and second formed before second by welding, about 8 weld seam dislocation cloth after weld seam 7 and second before described second
It sets, weld seam 7 is located at the lower section of the axis of the second pipeline section 2 before described second, and weld seam 8 is located at the axis of the second pipeline section 2 after described second
The top of line.The arrangement of such weld seam can effectively avoid cross weld seam, enhance product strength, improve product quality.
The connection nozzle to raise upward there are two being respectively provided on the top of first pipeline section 1 and the top of the second pipeline section 2
9, multiple connection nozzles 9 are located along the same line；
Vertical interval range before described second after weld seam 7 and second between weld seam 8 is 400mm-500mm, it is preferred that institute
Vertical interval before stating second after weld seam 7 and second between weld seam 8 is set as 440mm.
Referring to Fig. 3, for the connection nozzle 9 by stamping device machine-shaping, the stamping device includes formed punch 10 and punching
Mould 11, the punch die 11 are set to the underface of formed punch 10, and the bottom of the formed punch 10 is provided with Circular Plate 12, the formed punch 10
Lower section be evenly arranged with muti-piece support plate 13 along its circumferencial direction, the bottom of the support plate 13 and the top surface of Circular Plate 12 are solid
Fixed to connect, there are two the card slot 14 that front and back is arranged symmetrically, 11 central location of punch die is offered for setting in the Circular Plate 12
Through-hole 15 is provided with overarm 16 in the through-hole 15, and the both ends of the overarm 16 are fixedly connected with the inner wall of through-hole 15, described
The suspender 17 that front and back is arranged symmetrically is provided between formed punch 10 and punch die 11, the suspender 17 includes clamp 17.1, wirerope
17.2 and suspension hook 17.3, the top of the wirerope 17.2 be fixedly connected with clamp 17.1, the bottom end of wirerope 17.2 and suspension hook
17.3 are fixedly connected, and the clamp 17.1 is cooperatively connected with card slot 14, and the suspension hook 17.3 is lifted in overarm 16.
Its production technology the following steps are included:
Step 1: blanking
Step 2: presed-steel plate
The two panels steel plate of first pipeline section and the second pipeline section is pressed into the bent plate of semicircle shape；
Step 3: opening up circular hole
Respectively the corresponding position of bent plate on the second of bent plate on the first of the first pipeline section and the second pipeline section is carried out opening up circle
Hole, wherein the circular hole on the first pipeline section is located at the surface of its axis, the circular hole on the second pipeline section be located at its axis it is oblique on
Side；
Step 4: punch forming
Bent plate on the second of bent plate on the first of first pipeline section and the second pipeline section is hoisted to the fixation of punch device respectively
On bracket, concave surface is placed upward, and circular hole is located at the underface of punch die, by manually being carried out using ethane spray gun to circular hole periphery
Heating, heating temperature recycle punch die to carry out punching press to it, by heating for multiple times, Multi-step forming, to make to 700-800 DEG C
Obtain the connection nozzle that circular hole machine-shaping is protrusion；
Step 5: cutting flash
It carries out the flash connected at the top of nozzle to cut flat with processing；
Step 6: bent plate assembles
The concave surface of the first of first pipeline section lower bent plate is placed upward, the first pipeline section first on bent plate concave surface towards decentralization
It is placed on the first lower bent plate of the first pipeline section, so that curved under the bottom of bent plate and the first of the first pipeline section on the first of the first pipeline section
The top of plate is fixedly connected by welding；
The concave surface of the second of second pipeline section lower bent plate is placed upward, the second pipeline section second on bent plate concave surface towards decentralization
It is placed on the second lower bent plate of the second pipeline section, so that curved on the bottom of bent plate and the second of the second pipeline section on the second of the second pipeline section
The top of plate is fixedly connected by welding；
Step 7: pipeline section docks
The both ends of second pipeline section are subjected to annular solder between two adjacent the first pipeline sections respectively, so that the first pipeline section
It is located in same horizontal line with the connection nozzle on the second pipeline section.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (8)
1. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe, it is characterised in that: a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe, including multiple interval cloth
The first pipeline section (1) set often is provided with the second pipeline section (2) between adjacent first pipeline section (1), the two of second pipeline section (2)
It holds and is connect by welding between two neighboring first pipeline section (1), first pipeline section (1) includes bent plate on first
(1.1) and under first bent plate (1.2), lead between the bottom of bent plate (1.1) and the top of first lower bent plate (1.2) on described first
It crosses welding and forms before first weld seam (6) after weld seam (5) and first, weld seam (6) front and back is right after weld seam (5) and first before described first
Claim arrangement, and is located in same level with the axis of the first pipeline section (1)；Second pipeline section (2) includes bent plate on second
(2.1) and under second bent plate (2.2), lead between the bottom of bent plate (2.1) and the top of second lower bent plate (2.2) on described second
It crosses welding and forms before second weld seam (8) after weld seam (7) and second, weld seam (8) mistake up and down after weld seam (7) and second before described second
Position arranges that weld seam (7) is located at the lower section of the axis of the second pipeline section (2) before described second, and weld seam (8) is located at second after described second
The top of the axis of pipeline section (2).
2. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 1, it is characterised in that: first pipeline section (1)
The connection nozzle (9) to raise upward there are two being respectively provided on top and the top of the second pipeline section (2), multiple connection nozzle (9) positions
In on same straight line.
3. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 2, it is characterised in that: the connection nozzle (9) is logical
Stamping device machine-shaping is crossed, the stamping device includes formed punch (10) and punch die (11), and the punch die (11) is set to formed punch
(10) bottom of underface, the formed punch (10) is provided with Circular Plate (12), and setting is there are two before on the Circular Plate (12)
The card slot (14) being arranged symmetrically afterwards, punch die (11) central location offer through-hole (15), are provided in the through-hole (15)
Hang oneself from a beam (16), the both ends of the overarm (16) are fixedly connected with the inner wall of through-hole (15), the formed punch (10) and punch die (11) it
Between be provided with the suspender (17) that is arranged symmetrically of front and back, the suspender (17) includes clamp (17.1), wirerope (17.2) and suspension hook
(17.3), the top of the wirerope (17.2) is fixedly connected with clamp (17.1), the bottom end of wirerope (17.2) and suspension hook
(17.3) it is fixedly connected, the clamp (17.1) and card slot (14) are cooperatively connected, and the suspension hook (17.3) is lifted on overarm (16)
On.
4. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 3, it is characterised in that: the lower section of the formed punch (10)
It is evenly arranged with muti-piece support plate (13) along its circumferencial direction, the bottom of the support plate (13) and the top surface of Circular Plate (12) are solid
Fixed connection.
5. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 1, it is characterised in that: weld seam (7) before described second
And the vertical interval range after second between weld seam (8) is 400mm-500mm.
6. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 5, it is characterised in that: weld seam (7) before described second
And the vertical interval after second between weld seam (8) is set as 440mm.
7. a kind of energy-saving, environment-friendly and high-efficiency concetrated pipe according to claim 1, it is characterised in that: what is arranged from left to right is last
The outer end of one the first pipeline section (1) is provided with end socket (3), is provided with outlet (4) on the end socket (3).
8. a kind of production technology of energy-saving, environment-friendly and high-efficiency concetrated pipe, it is characterised in that: the production technology the following steps are included: its
Production technology the following steps are included:
Step 1: blanking
Step 2: presed-steel plate
The two panels steel plate of first pipeline section and the second pipeline section is pressed into the bent plate of semicircle shape；
Step 3: opening up circular hole
Respectively the corresponding position of bent plate on the second of bent plate on the first of the first pipeline section and the second pipeline section is carried out opening up circular hole,
In, the circular hole on the first pipeline section is located at the surface of its axis, and the circular hole on the second pipeline section is located at the oblique upper of its axis；
Step 4: punch forming
Bent plate on the second of bent plate on the first of first pipeline section and the second pipeline section is hoisted to the fixation bracket of punch device respectively
On, concave surface is placed upward, and circular hole is located at the underface of punch die, by manually being heated using spray gun to circular hole periphery, is added
Hot temperature recycles punch die to carry out punching press to it, by heating for multiple times, Multi-step forming, so that circular hole adds to 700-800 DEG C
Work is shaped to the connection nozzle of protrusion；
Step 5: cutting flash
The recessed placed face down of bent plate on bent plate and second will be processed on the first of connection nozzle respectively, it will be at the top of connection nozzle
Flash carries out cutting flat with processing；
Step 6: bent plate assembles
The concave surface of the first of first pipeline section lower bent plate is placed upward, the first pipeline section first on the concave surface of bent plate be placed in downward
On the lower bent plate of the first of first pipeline section, so that the first lower bent plate of the bottom of bent plate and the first pipeline section on the first of the first pipeline section
Top is fixedly connected by welding；
The concave surface of the second of second pipeline section lower bent plate is placed upward, the second pipeline section second on the concave surface of bent plate be placed in downward
On the lower bent plate of the second of second pipeline section so that on the second of the second pipeline section the bottom of bent plate and the second pipeline section second on bent plate
Top is fixedly connected by welding；
Step 7: pipeline section docks
The both ends of second pipeline section are subjected to annular solder between two adjacent the first pipeline sections respectively, so that the first pipeline section and
Connection nozzle on two pipeline sections is located in same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289569.9A CN109185590B (en) | 2018-10-31 | Energy-saving environment-friendly efficient collecting pipe and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289569.9A CN109185590B (en) | 2018-10-31 | Energy-saving environment-friendly efficient collecting pipe and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185590A true CN109185590A (en) | 2019-01-11 |
| CN109185590B CN109185590B (en) | 2024-07-02 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842469A (en) * | 2019-10-31 | 2020-02-28 | 武汉一冶钢结构有限责任公司 | Large-scale building method of soil-covered storage tank |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4230865A1 (en) * | 1992-09-16 | 1994-03-17 | Blohm Voss Ag | Reinforced large dia. thin wall tube mfr. - by longitudinal or spiral seam welding simultaneously with stiffening rib welding |
| CN102297309A (en) * | 2011-08-05 | 2011-12-28 | 上海永鑫波纹管有限公司 | Telescopic device of ultra-large caliber water-conducting pressure steel pipe of water power station and method for manufacturing corrugated pipe thereof |
| CN103470908A (en) * | 2013-09-30 | 2013-12-25 | 中国海洋石油总公司 | Isolation sleeve device used for submarine pipeline inservice permanent repair |
| CN104014986A (en) * | 2014-05-13 | 2014-09-03 | 南通晋弘钢结构工程有限公司 | Large steel tube manufacturing process |
| EP2824257A1 (en) * | 2013-07-04 | 2015-01-14 | SIAG Industrie GmbH | Method for preparation and erection of a tubular tower structure |
| CN105864509A (en) * | 2016-06-06 | 2016-08-17 | 青岛理工大学 | Method for rapidly repairing submarine pipeline through replacement pipe section |
| CN106583568A (en) * | 2016-11-29 | 2017-04-26 | 金川集团股份有限公司 | Double riveting head lug nailing die for nickel starting sheet |
| CN209100862U (en) * | 2018-10-31 | 2019-07-12 | 江阴市扬子管件有限公司 | A kind of energy-saving, environment-friendly and high-efficiency concetrated pipe |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4230865A1 (en) * | 1992-09-16 | 1994-03-17 | Blohm Voss Ag | Reinforced large dia. thin wall tube mfr. - by longitudinal or spiral seam welding simultaneously with stiffening rib welding |
| CN102297309A (en) * | 2011-08-05 | 2011-12-28 | 上海永鑫波纹管有限公司 | Telescopic device of ultra-large caliber water-conducting pressure steel pipe of water power station and method for manufacturing corrugated pipe thereof |
| EP2824257A1 (en) * | 2013-07-04 | 2015-01-14 | SIAG Industrie GmbH | Method for preparation and erection of a tubular tower structure |
| CN103470908A (en) * | 2013-09-30 | 2013-12-25 | 中国海洋石油总公司 | Isolation sleeve device used for submarine pipeline inservice permanent repair |
| CN104014986A (en) * | 2014-05-13 | 2014-09-03 | 南通晋弘钢结构工程有限公司 | Large steel tube manufacturing process |
| CN105864509A (en) * | 2016-06-06 | 2016-08-17 | 青岛理工大学 | Method for rapidly repairing submarine pipeline through replacement pipe section |
| CN106583568A (en) * | 2016-11-29 | 2017-04-26 | 金川集团股份有限公司 | Double riveting head lug nailing die for nickel starting sheet |
| CN209100862U (en) * | 2018-10-31 | 2019-07-12 | 江阴市扬子管件有限公司 | A kind of energy-saving, environment-friendly and high-efficiency concetrated pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842469A (en) * | 2019-10-31 | 2020-02-28 | 武汉一冶钢结构有限责任公司 | Large-scale building method of soil-covered storage tank |
| CN110842469B (en) * | 2019-10-31 | 2021-07-06 | 武汉一冶钢结构有限责任公司 | Large-scale building method of soil-covered storage tank |
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