CN108253205A - Pipeline and its component - Google Patents
Pipeline and its component Download PDFInfo
- Publication number
- CN108253205A CN108253205A CN201611238171.3A CN201611238171A CN108253205A CN 108253205 A CN108253205 A CN 108253205A CN 201611238171 A CN201611238171 A CN 201611238171A CN 108253205 A CN108253205 A CN 108253205A
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- China
- Prior art keywords
- metal cylinder
- pipeline
- dowel
- peripheral surface
- interior
- Prior art date
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- 239000002184 metal Substances 0.000 claims abstract description 115
- 229910052751 metal Inorganic materials 0.000 claims abstract description 115
- 230000002093 peripheral effect Effects 0.000 claims description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000004567 concrete Substances 0.000 claims description 38
- 230000002787 reinforcement Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000003628 erosive effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 5
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000005728 strengthening Methods 0.000 claims 1
- 210000002435 tendon Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000003487 anti-permeability effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000013000 roll bending Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- F16L9/153—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and concrete with or without reinforcement
-
- 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
- F16L58/04—Coatings characterised by the materials used
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to the pipeline fields for fluids such as water delivery, oil, disclose a kind of pipeline and its component, the pipeline includes the interior metal cylinder (1) being set in together and outer metal cylinder (3), between the interior metal cylinder (1) and the outer metal cylinder (3) there is radial clearance, the articulamentum (2) for connecting the interior metal cylinder (1) and the outer metal cylinder (3) is equipped in the radial clearance.The pipeline of the present invention can bear high internal pressure and high external pressure, have good impervious and durability, and cost is relatively low.
Description
Technical field
The present invention relates to a kind of pipeline and its components, and the pipeline is for fluids such as water delivery, oil.
Background technology
Having many uses for pipeline is general, is used primarily in feedwater, draining, heat supply, gives gas, long distance delivery oil and natural
In gas, agricultural irrigation, hydraulic engineering and various commercial plants.By taking aqueduct as an example, aqueduct be from reservoir, surge-chamber,
Forebay hoists the mistake sent water and be embedded in earth and rockfill dam dam body bottom, subsurface or outdoor layout to the hydraulic turbine or by water pump
Waterpipe.Available for irrigating, hydroelectric generation, urban water supply, draining, discharge silt, it is vented reservoir, construction diversion cooperation spillway
It drains off floodwater.
Over long distances, in the water diversion project of big flow, the selection of tubing is most important, it is both to ensure water system peace
Full key, and be to determine project cost and operation funds place.The domestic pipeline for being used for water delivery at present, mainly there is steel pipe, ball
Graphite cast iron pipe, Prestressed concrete cylinder pipe and sand-clad glass pipe.But defect, specific table is all individually present in these tubing
It is now：Steel pipe cost is high, and critical external compressive resistance ability is poor, and working procedure is complicated；Ductile iron pipe unit length cost is higher, even
It is more complicated to connect mode, and heavy, caliber is less than normal；Sand-clad glass pipe is flexible duct, and critical external compressive resistance ability is poor, and groove is returned
It is high to fill out requirement, dosage and purposes are limited；Prestressed concrete cylinder pipe pipe of concrete outer core wind one or more layers it is pre- should
Power steel wire bears higher internal water pressure and external load, due to being protected on the outside of compressor wire by dry mortar, corrosion resistance phase
To poor, booster failure conditions constantly occur, and tubing durability is poor.
Therefore, be badly in need of develop one kind can bear high internal pressure and high external pressure, durability is good, the relatively low pipeline of cost, with gram
Take the problem of pipeline type selecting is difficult in current engineering design.
Invention content
The purpose of the present invention is providing a kind of pipeline and its component against the above deficiency, the pipeline can bear high internal pressure and
High external pressure has good impervious and durability, and cost is relatively low.
To achieve these goals, the present invention provides a kind of pipeline, the pipeline include the interior metal cylinder being set in together and
Outer metal cylinder has radial clearance, is equipped with to connect in the radial clearance between the interior metal cylinder and the outer metal cylinder
The articulamentum of the interior metal cylinder and the outer metal cylinder.
Preferably, the articulamentum includes pouring in the concrete layer in the radial clearance.
Preferably, the articulamentum further includes the dowel for connecting the interior metal cylinder and the outer metal cylinder.
Preferably, the dowel includes being connected to the first dowel of the peripheral surface of the interior metal cylinder and is connected to institute
The second dowel of the inner peripheral surface of outer metal cylinder is stated, first dowel and second dowel can be between the radial directions
Overlay region is staggered to form in gap, axial reinforcement passes through the overlay region and is fixedly connected with the dowel.
Preferably, first dowel and second dowel the axial direction of the pipeline be respectively formed on for
" u "-shaped, " V " shape or " L " shape, and its radial dimension is less than the radial distance of the radial clearance.
Preferably, the both ends of the pipeline are respectively arranged with reinforcing rib, which is formed as linear type, and one end with
The peripheral surface connection of the interior metal cylinder, the other end are connect with the inner peripheral surface of the outer metal cylinder.
Preferably, one end of the dowel is connect with the peripheral surface of the interior metal cylinder, the other end and the outer metal
The inner peripheral surface connection of cylinder.
Preferably, the dowel is formed as linear type or waveform on the axial direction of the pipeline.
Preferably, the dowel is multiple, and is arranged radially.
Preferably, the dowel is multiple, and along the pipeline is axially and radially arranged in a straight line.
Preferably, the articulamentum further includes the circumferential direction along the pipeline and/or the bar-mat reinforcement or glass fibers that axially set
Tie up muscle.
Preferably, the inner peripheral surface of the interior metal cylinder is equipped with interior erosion resistant coating, and the peripheral surface of the outer metal cylinder is equipped with
External anti-corrosion layer.
Preferably, the interior erosion resistant coating and external anti-corrosion layer are antirust paint, pitch class material, concrete, cement mortar or tree
Fat is applied on the inner peripheral surface of the interior metal cylinder and the peripheral surface of the outer metal cylinder.
Preferably, the interior metal cylinder and the outer metal cylinder are steel cylinder or spheroidal graphite cast-iron cylinder.
The present invention also provides a kind of conduit assembly, which includes more above-described pipelines, and every pipeline is also
Including pipe joint, the pipe joint includes：
Socket hoop, the socket hoop be welded in one end of the outer metal cylinder inner peripheral surface and along the outer metal cylinder it is axial to
Outer extension；With
Socket ring, the socket boxing are connected to the end of the outer metal cylinder other end, and are adapted with the socket hoop；
Wherein, the socket hoop of a pipeline is connected with the socket ring of an adjacent pipeline.
Through the above technical solutions, the pipeline of the present invention can be born when conveying water, oil when fluids outside high internal pressure and height
Pressure has good impervious and durability, and cost is relatively low, and it is difficult to solve pipeline type selecting in current engineering design
The problem of.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings：
Fig. 1 is a kind of cross-sectional view of embodiment of inventive pipeline, and wherein dowel is formed as " u "-shaped；
Fig. 2 is the partial enlarged view of articulamentum in Fig. 1；
Fig. 3 is the cross-sectional view of the another embodiment of inventive pipeline, and wherein dowel is formed as " L " shape；
Fig. 4 is the partial enlarged view of articulamentum in Fig. 3；
Fig. 5 is the A-A sectional views of Fig. 1, but axially symmetric the other half of pipeline is omitted.
Reference sign
2 articulamentum of metal cylinder in 1
3 outer 4 dowels of metal cylinder
5 overlay region, 6 axial reinforcement
8 external anti-corrosion layer of erosion resistant coating in 7
9 socket hoop, 10 socket ring
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of pipeline, which includes the interior metal cylinder 1 being set in together and outer metal cylinder 3, described interior
Between metal cylinder 1 and the outer metal cylinder 3 there is radial clearance, be equipped with to connect the interior metal cylinder 1 in the radial clearance
With the articulamentum 2 of outer metal cylinder 3 (referring to Fig. 5).
For that can bear the pipeline of high internal pressure, high external pressure, common cast is prestress steel cylinder concrete in engineering at present
Pipe and concrete pack steel pipe, but the situation of the compressor wire corrosion failure of Prestressed concrete cylinder pipe, booster failure
Constantly occur, and concrete pack steel pipe is the composite structure of steel pipe, bed course and external wrapping concrete, and live formwork is needed to pour,
It can not achieve factorial praluction.The present invention can be such that pipeline bears in height by using the bimetallic bobbin road of above-mentioned association type
Pressure and high external pressure, and the pipeline can realize quick assembling, and convenient for do mechanization operation, the bore of pipeline is changeable, is applicable in
Range is very extensive.
In the present invention, the articulamentum 2 is included pouring between radial direction between the interior metal cylinder 1 and outer metal cylinder 3
Concrete layer in gap.The concrete layer can make interior metal cylinder and outer metal cylinder form an entirety, enhance its entire compression
Power.
In order to strengthen the adhesion strength between concrete layer and inside and outside metal cylinder, the articulamentum 2 further includes to connect
The dowel 4 of the interior metal cylinder 1 and outer metal cylinder 3.The dowel 4 is at the same time as the shear reinforcement of concrete layer, it is ensured that
Inside and outside metal cylinder forms the stress system of an entirety with concrete layer, and entire pipeline is made both to have had pressure energy in impervious and anti-
Power, and with good critical external compressive resistance performance.Wherein, the thickness of inside and outside metal cylinder and concrete layer can be adjusted as needed.
The stressing conditions of inventive pipeline are specifically described below：The present invention is each according to metal cylinder and concrete material
From structure feature, by setting dowel and casting concrete between inside and outside metal cylinder, lead to inside and outside metal cylinder
It crosses dowel and concrete layer is combined closely, form whole, coaction；The intermal force that inside and outside metal cylinder passes through concrete
Can be with shared internal pressure, the characteristics of having given full play to the anti-high internal pressure of metal cylinder and antiseepage；Concrete has stronger critical external compressive resistance
Performance, but its tensile capacity is poor, and inside and outside metal cylinder is combined together by setting dowel, is equivalent to pipeline by the present invention
Compression and tension reinforcement, relative to pure steel pipe have stronger critical external compressive resistance ability.In addition, the pipeline of the present invention is fully sent out
The respective advantage of material has been waved, it can be bright in different operating mode lower stress by theoretical calculation and the transmission situation of verification experimental verification internal pressure
Really, will not cause material waste or force structure it is unreasonable, have stronger exploitativeness.
A kind of embodiment according to the present invention, the dowel 4 can include being connected to the periphery of the interior metal cylinder 1
First dowel in face and be connected to the outer metal cylinder 3 inner peripheral surface the second dowel, first dowel with it is described
Second dowel can be staggered to form overlay region 5 in the radial clearance, axial reinforcement 6 pass through the overlay region 5 and with institute
Dowel 4 is stated to be fixedly connected.
Preferably, first dowel and the second dowel are respectively formed in the axial direction of the pipeline as " U "
Shape, " V " shape or " L " shape, and its radial dimension is less than the radial distance of the radial clearance (referring to attached drawing 1-4).It should be understood that
, the shape of the first dowel and the second dowel of the invention is not limited in " u "-shaped, " V " shape or " L " shape, as long as its energy
It is enough that an overlay region is formed between the radial clearance of inside and outside metal cylinder for axial reinforcement insertion, it should all belong to the present invention's
Protection domain.Certainly, the first dowel of present invention setting, the second dowel and axial reinforcement be provided to further to strengthen in,
The connection of outer metal cylinder and concrete layer, therefore, other can strengthen the inside and outside mode connected between metal cylinder and concrete layer
It also should be within protection scope of the present invention.
Another embodiment according to the present invention, in the duct between part radial clearance in setting be connected to it is described in
First dowel of the peripheral surface of metal cylinder 1 and the second dowel of inner peripheral surface for being connected to the outer metal cylinder 3, and make described
First dowel can be staggered to form overlay region 5 with second dowel in the radial clearance, and axial reinforcement 6 passes through institute
It states overlay region 5 and is fixedly connected with first dowel and the second dowel；In the radial clearance in pipe ends portion respectively
Set reinforcing rib, which is formed as linear type, and one end is connect with the peripheral surface of the interior metal cylinder 1, the other end and
The inner peripheral surface connection of the outer metal cylinder 3.It by using above-mentioned combination, can obtain the spacing between inside and outside metal cylinder
With fixation, inside and outside metal cylinder spacing when being maintained at concreting conducive to it
Another embodiment according to the present invention, one end of the dowel 4 and the peripheral surface of the interior metal cylinder 1 connect
It connects, the other end is connect with the inner peripheral surface of the outer metal cylinder 3.Preferably, axial direction of the dowel 4 in the pipeline
On be formed as linear type or waveform.This kind of embodiment makes interior metal by using linear type or corrugated dowel
Cylinder is directly connected to outer metal cylinder, and bonding strength is high.Certainly, the linear type dowel can also (will using fold-line-shaped
More linear type dowels are linked to be (or being converted into) " W " shape, every respectively in the peripheral surface of interior metal cylinder and outer metal cylinder
Circumferential surface welds).
Preferably, the dowel 4 is multiple to one kind as the respective embodiments described above, and is arranged radially.
As another preferred embodiment, the dowel 4 is multiple, and along the pipeline be axially and radially straight line (or
Near linear) arrangement.
During practice of construction, the diameter and distribution density of dowel 4 should be able to meet shearing resistance and tension requirement, and ensure
When interior (or outer) metal cylinder rupture hydraulic pressure (during pipeline water delivery) is into concrete layer, dowel has enough strength transfers to draw
Power.In the present invention, dowel should meet wanting for concrete specification regulation prevailing for the time being in force as shear reinforcement, diameter and quantity
It asks.According to theoretical calculation, to cause inside and outside metal cylinder and the common stress of articulamentum, the quantity of dowel should be able to replace concrete
The tensile strength of itself, and thinner dowel is used as possible.
In the present invention, due to interior metal cylinder, outer metal cylinder and in-between dowel, concrete layer bear jointly it is inside and outside
Pressure, therefore, in order to which pipeline is enable to bear higher external and internal pressure, the articulamentum 2 may also include the circumferential direction along the pipeline
And/or the bar-mat reinforcement or glass fiber-reinforced polymer axially set.Wherein, (glass fibers can be used in inside and outside metal cylinder and circumferential bar-mat reinforcement
Tie up muscle, the materials such as carbon fibre bar) or glass fiber-reinforced polymer as the primary structure member for undertaking internal pressure, concrete layer then plays transmission radial direction
The connection of each component is integrated by pressure, the effect for undertaking shearing, dowel, it is made to together form the main knot for undertaking external pressure
Structure, while concrete layer also provides an alkaline environment for inside and outside metal cylinder, plays the role of antirust.
In addition, being equipped with interior erosion resistant coating 7 on the inner peripheral surface of the interior metal cylinder 1, set on the peripheral surface of the outer metal cylinder 3
There is external anti-corrosion layer 8.Wherein, interior erosion resistant coating 7 and external anti-corrosion layer 8 are antirust paint, pitch class material, concrete, cement mortar or tree
Fat etc. is applied on the inner peripheral surface of the interior metal cylinder 1 and the peripheral surface of the outer metal cylinder 3.It is of course also possible to use its
The anti-corrosion anti-rust material of his type is as erosion resistant coating.
In the present invention, the interior metal cylinder 1 and outer metal cylinder 3 can be steel cylinder or spheroidal graphite cast-iron cylinder etc..
In order to which pipeline is made to have random length to adapt to various different demands, the present invention also provides a kind of conduit assemblies, should
Conduit assembly includes more above-described pipelines, and every pipeline further includes pipe joint, and the pipe joint includes socket hoop 9
With socket ring 10, the socket hoop 9 is welded in one end of 3 inner peripheral surface of outer metal cylinder and along the axial direction of the outer metal cylinder 3
Extending outwardly, the socket ring 10 is welded in the end of 3 other end of outer metal cylinder, and is adapted with the socket hoop 9,
In the conduit assembly, the socket hoop 9 of a pipeline is connected with the socket ring 10 of an adjacent pipeline.The pipeline further includes
The pipe joint of connector and sealing element as pipeline.In addition, rubber can also be added in the junction of socket hoop 9 and socket ring 10
Cushion rubber is to realize the sealed connection of pipeline.Wherein, stainless steel material can be used in socket hoop and socket ring.
The preparation method of inventive pipeline is specifically introduced below by embodiment：
Embodiment 1
A, it holds, the preparation of socket ring
By holding, the clipped blanking of socket steel plate section bar, edge rolling welding, edging molding, the processes such as swollen circle are made.
B, the preparation of inside and outside metal cylinder (by taking steel cylinder as an example)
By processed in a hold, socket ring is on the spiral tube-making machine, roll bending is rolled into steel cylinder, side volume by design requirement
Side is welded, and is made to hold, welding fabrication of socket ring and steel cylinder, is then whether there is breakthrough by bulge test.
C, the welding of dowel and the installation of inside and outside steel cylinder
For " u "-shaped, " V " shape or " L " shape dowel, first dowel is welded on the peripheral surface of interior steel cylinder,
Second dowel is welded on the inner peripheral surface of outer steel cylinder, interior steel cylinder and outer steel cylinder are set in together, pass through steel cylinder in rotation
The first dowel and the second dowel is made to be staggered to form overlay region in the radial clearance with outer steel cylinder, in the overlay region interpolation
Enter the axial reinforcement, and by the axial reinforcement banding fixed on the dowel.
D, reinforcing bar is connected in the circumferential direction and/or axial restraint of the peripheral surface of interior steel cylinder or the inner peripheral surface upper edge pipeline of outer steel cylinder
Net or glass fiber-reinforced polymer, the then casting concrete in the radial clearance, and being shaken by high frequency strength, make concrete compaction
Molding.
E, on the peripheral surface of the inner peripheral surface of interior steel cylinder and outer steel cylinder coated anti-corrosion layer to get to pipeline of the present invention.
Embodiment 2
A, it holds, the preparation of socket ring
By holding, the clipped blanking of socket steel plate section bar, edge rolling welding, edging molding, the processes such as swollen circle are made.
B, the preparation of inside and outside metal cylinder (by taking steel cylinder as an example)
By processed in a hold, socket ring is on the spiral tube-making machine, roll bending is rolled into steel cylinder, side volume by design requirement
Side is welded, and is made to hold, welding fabrication of socket ring and steel cylinder, is then whether there is breakthrough by bulge test.
C, the welding of dowel and the installation of inside and outside steel cylinder
Interior steel cylinder and outer steel cylinder are set in together, using manipulator welding machine by the two of linear type or waveform dowel
End is welded in respectively on the peripheral surface of interior steel cylinder and the inner peripheral surface of outer steel cylinder.
D, reinforcing bar is connected in the circumferential direction and/or axial restraint of the peripheral surface of interior steel cylinder or the inner peripheral surface upper edge pipeline of outer steel cylinder
Net or glass fiber-reinforced polymer, the then casting concrete in the radial clearance, and being shaken by high frequency strength, make concrete compaction
Molding.
E, on the peripheral surface of the inner peripheral surface of interior steel cylinder and outer steel cylinder coated anti-corrosion layer to get to pipeline of the present invention.
The present invention sets dowel between inside and outside metal cylinder and pours coagulation by being nested together inside and outside metal cylinder
Soil or other structures material (such as resin mortar, cement mortar etc.) can make metal cylinder and concrete strong bonded, protect always
Hold an entirety, it is ensured that globality during stress.It has not only played the advantage of the waterproof reliability of metal cylinder, has also played steel
The advantage of reinforced concrete critical external compressive resistance.In addition, concrete not only long lifespan itself, dowel also internal for it and it is in contact with it
Inside and outside metal cylinder create a stainless environment.The pipeline of the present invention each layer structural material shared in stress, fills
The respective advantage of material has been waved in distribution.Such structure type can give full play to the intensity of metal cylinder, bear compared with high internal pressure, and with
Concrete shared external pressure solves the problems, such as existing steel pipe external pressure unstability, can relative to the steel pipe being individually laid with
To effectively reduce thickness of steel pipe, not only the service life be doubled and redoubled, investment reduction, and the scope of application is more extensive.
In addition, the pipeline of the present invention also has the following advantages that：Do mechanization operation degree is high, and pipeline is transported to after pipe factory is prefabricated
Site operation realizes quick assembling, meets energy-saving and environment-friendly design concept, can save the duration, improves efficiency；It is applicable to big
Bore, high internal pressure, high earthing water delivery engineering；Durability is good, and concrete structure is between inside and outside metal cylinder, even if cracking
Big harm will not be generated, and after pipeline outsourcing erosion resistant coating, the durability of pipeline configuration can obtain better guarantee,
Pipeline reliability is high, and service life is long；Anti-permeability performance is good, since the present invention uses bimetallic cylinder concrete duct pattern, fully
The characteristics of metal cylinder anti-permeability performance is good is utilized, makes pipeline configuration that there is preferable anti-permeability performance.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (15)
1. pipeline, which is characterized in that the pipeline includes the interior metal cylinder (1) being set in together and outer metal cylinder (3), the interior gold
Belonging to has radial clearance between cylinder (1) and the outer metal cylinder (3), be equipped with to connect the interior metal cylinder in the radial clearance
(1) and the articulamentum of the outer metal cylinder (3) (2).
2. pipeline according to claim 1, which is characterized in that the articulamentum (2) is including pouring in the radial clearance
Interior concrete layer.
3. pipeline according to claim 2, which is characterized in that the articulamentum (2) further includes to connect the interior gold
Belong to cylinder (1) and the dowel (4) of the outer metal cylinder (3).
4. pipeline according to claim 3, which is characterized in that the dowel (4) is including being connected to the interior metal cylinder
(1) the first dowel of peripheral surface connects with the second dowel of inner peripheral surface for being connected to the outer metal cylinder (3), described first
Overlay region (5) can be staggered to form in the radial clearance by connecing muscle and second dowel, and axial reinforcement (6) is across described
Overlay region (5) is simultaneously fixedly connected with the dowel (4).
5. pipeline according to claim 4, which is characterized in that first dowel and second dowel are described
The axial direction of pipeline is respectively formed on as " u "-shaped, " V " shape or " L " shape, and its radial dimension is less than the radial direction of the radial clearance
Distance.
6. pipeline according to claim 4, which is characterized in that the both ends of the pipeline are respectively arranged with reinforcing rib, should add
Strengthening tendons are formed as linear type, and one end is connect with the peripheral surface of the interior metal cylinder (1), the other end and the outer metal cylinder
(3) inner peripheral surface connection.
7. pipeline according to claim 3, which is characterized in that one end of the dowel (4) and the interior metal cylinder (1)
Peripheral surface connection, the other end connect with the inner peripheral surface of the outer metal cylinder (3).
8. pipeline according to claim 7, which is characterized in that the dowel (4) is on the axial direction of the pipeline
Be formed as linear type or waveform.
9. pipeline according to claim 3, which is characterized in that the dowel (4) is multiple, and is arranged radially.
10. pipeline according to claim 3, which is characterized in that the dowel (4) is multiple, and along the pipeline
It is axially and radially arranged in a straight line.
11. the pipeline according to Claims 2 or 3, which is characterized in that the articulamentum (2) is further included along the pipeline
Bar-mat reinforcement or glass fiber-reinforced polymer circumferential and/or axially set.
12. pipeline according to claim 1, which is characterized in that the inner peripheral surface of the interior metal cylinder (1) is equipped with interior anti-corrosion
Layer (7), the peripheral surface of the outer metal cylinder (3) are equipped with external anti-corrosion layer (8).
13. pipeline according to claim 12, which is characterized in that the interior erosion resistant coating (7) and external anti-corrosion layer (8) are antirust
Paint, pitch class material, concrete, cement mortar or resin, are applied to the inner peripheral surface of the interior metal cylinder (1) and the outer metal cylinder
(3) on peripheral surface.
14. according to the pipeline described in any one in claim 1-13, which is characterized in that the interior metal cylinder (1) and described
Outer metal cylinder (3) is steel cylinder or spheroidal graphite cast-iron cylinder.
15. conduit assembly, which is characterized in that the conduit assembly includes more according to any one in claim 1-14
Pipeline, every pipeline further include pipe joint, and the pipe joint includes：
Socket hoop (9), the socket hoop (9) are welded in one end of outer metal cylinder (3) inner peripheral surface and along the outer metal cylinders (3)
Extend axially outward；With
Socket ring (10), the socket ring (10) are welded in the end of outer metal cylinder (3) other end, and with the socket hoop
(9) it is adapted；
Wherein, the socket hoop (9) of a pipeline is connected with the socket ring (10) of an adjacent pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238171.3A CN108253205B (en) | 2016-12-28 | 2016-12-28 | Pipeline and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238171.3A CN108253205B (en) | 2016-12-28 | 2016-12-28 | Pipeline and assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108253205A true CN108253205A (en) | 2018-07-06 |
| CN108253205B CN108253205B (en) | 2024-05-14 |
Family
ID=62720336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611238171.3A Active CN108253205B (en) | 2016-12-28 | 2016-12-28 | Pipeline and assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108253205B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024041336A1 (en) * | 2022-08-25 | 2024-02-29 | 南京大得钢管有限公司 | Large-diameter spirally welded steel pipe with composite structural wall, and manufacturing method therefor |
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| Publication number | Publication date |
|---|---|
| CN108253205B (en) | 2024-05-14 |
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