CN107167376A - Ocean engineering corrosive pipeline experimental facilities - Google Patents
Ocean engineering corrosive pipeline experimental facilities Download PDFInfo
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- CN107167376A CN107167376A CN201710251645.6A CN201710251645A CN107167376A CN 107167376 A CN107167376 A CN 107167376A CN 201710251645 A CN201710251645 A CN 201710251645A CN 107167376 A CN107167376 A CN 107167376A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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Abstract
The present invention relates to a kind of ocean engineering corrosive pipeline experimental facilities, for carrying out corrosion simulated experiment to experimental channel 8, including:Axial load loading device, torsional load loading device, bending load loading device, two corrosion experiment water tanks (10,13) and pipeline fixing device and outer wall 18.Two corrosion experiment water tanks (10,13) and the different parts of experimental channel 8 are tightly connected respectively, and have been respectively communicated with oxygen flexible pipe (9,12);Axial load loading device is used to apply axial load to one end of experimental channel 8;Torsional load loading device includes two ends to experimental channel 8 and applies two hydraulic jacks (6,7) for reversing moment of flexure;Pipeline fixing device is used for the other end for fixing experimental channel 8;Bending load loading device is carried in the outside of the experimental channel 8 between two corrosion experiment water tanks (10,13).Temperature regulating device and humidification device are provided with bin space.
Description
Technical field
The experimental facilities of ocean engineering pipeline corrosion process under the conditions of complex load can be simulated the present invention relates to a kind of.
Background technology
Corrosion is the main inducing of shallow sea marginal oil field ocean engineering pipeline failure, the design of new pipeline and has been on active service
The check of pipeline for many years is required for that its corrosion condition is carried out sufficiently to assess and predict.It is right in the case where oil price is low
Need to put into substantial amounts of human and material resources and financial resources in the exploitation of deepwater field, comparatively speaking, the exploitation of shallow sea marginal oil field
Then there is higher economic value and strategic importance.Cause the influence factor of ocean engineering corrosive pipeline numerous, wherein stress is rotten
It is one of topmost inducement to lose (SCC), accounts for the 40%~60% of corrosion failure event;In addition, marine environment residing for pipeline
Temperature, pH value, oxygen content etc. factor, can also cause serious influence to the corrosion of pipeline.Ocean engineering pipeline is produced should
The reason for power is corroded is mainly pipeline suspended span, bending caused by sea-floor relief change, ocean current wash away and pumped (conveying) medium temperature
Pipe expansion etc. caused by change.Temperature, pH value, the change of oxygen content are mostly that marine environment and way train medium are made jointly
With caused.The domestic and international corrosion experimental device on ocean engineering pipeline is generally that the scaling factor carried out in laboratory accelerates at present
Experimental provision, and the load categories that can apply are relatively simple, it is few to apply tension and compression stress, distorting stress and curved simultaneously
The complex loads such as square, especially lack the application function of bending load, and pipeline is often in suspended span state, the reality of moment of flexure in seabed
Test equipment and just seem most important, and be the device for full-scale ocean engineering pipeline.While imposed load, it can enter
The equipment for the full-scale emulation experiment that trip temperature, pH value, oxygen content change is less.Therefore, it is necessary to design a set of for full chi
The corrosion experimental device of very little ocean engineering pipeline, is changed with simulation load situation, and ocean solution parameter changes for tube performance
The experimental provision of influence.Existing corrosive pipeline research related experiment device weak point mainly has at present:
1. most of is the experimental facilities of scaling factor, lacks the experiment corroded for full-scale ocean engineering pipe stress and set
Standby and technical flow design, such as Application No. CN101226135A, CN105136596A, are all the pipelines by scaling factor
Test specimen or investigation of materials etching characteristic.
2. the load type that can apply relatively is limited to, especially the application deficient function of bending load, such as Application No.
CN105136596A can only simulate the sharp stress corrosion cracking state of splitting of permanent displacement load, application number CN201610030544.1,
CN201510296350.1 experimental provision, the stress of loading is relatively simple etc..
The content of the invention:
There is provided ocean engineering pipeline on the basis of the actual environment of submarine pipeline is taken into full account for the purpose of the present invention
Experimental provision.The device needs to gather real seawater, and by controlling the parameters such as the different temperature of seawater, pH value, oxygen content
Real marine environment is simulated as far as possible, and experimental group and control group experiment can be carried out simultaneously.In terms of plus load, the device increases
The application module of bending load is added, it is possible to achieve tension and compression stress, the independent role of distorting stress and moment of flexure and synergy, has led to
The Different Loading Method of selection constant load method and permanent displacement method is crossed, research ocean engineering pipeline is in marine environment by complex load
Corrosion situation of change under effect, further, it is also possible to which full-scale simulation equipment is made, makes up laboratory contracting more real than chi accelerated corrosion
The deficiency tested, experimental result is closer to actual conditions.Technical scheme is as follows:
A kind of ocean engineering corrosive pipeline experimental facilities, for carrying out corrosion simulated experiment to experimental channel (8), including:
Axial load loading device, torsional load loading device, bending load loading device, two corrosion experiment water tanks (10,13) and
Pipeline fixing device and outer wall (18), wherein,
Two corrosion experiment water tanks (10,13) and the different parts of experimental channel (8) are tightly connected respectively, and are respectively communicated with
There is oxygen flexible pipe (9,12), for the oxygen concentration of control corrosion rate solution;
One end of experimental channel (8) is loading end, and the other end is fixing end, and axial load loading device is used for experiment tube
The loading end in road 8 applies axial load, including fixed station (1), the hydraulic jack (2) being placed on fixed station (1), its piston (5)
It is fixedly connected with the loading end of experimental channel (8);
Torsional load loading device, which includes applying on the same cross section of the loading end of experimental channel (8), reverses moment of flexure
Two hydraulic jacks (6,7);
Pipeline fixing device is used for the fixing end for fixing experimental channel (8);
Bending load loading device is carried in the outside of the experimental channel (8) between two corrosion experiment water tanks (10,13),
Described bending load loading device includes the collar (16) and two hydraulic jacks (11,14), and the collar (16) is fixed on two corruption
Lose the outside of the experimental channel (8) between Experimental Water Tank (10,13), two hydraulic jacks (11,14) by the collar (16) simultaneously
To the load of experimental channel (8) application vertically downward.
Preferably, outer wall (18) is made up of insulation material, and whole ocean engineering corrosive pipeline experimental facilities is placed in outer wall
(18) in the bin space surrounded, temperature regulating device is provided with bin space;Humidification device is provided with bin space.
The present invention be applied in full-scale ocean engineering pipeline complex load effect under stress etching experiment, with
Lower advantage:
1. being tested for full-scale ocean engineering pipeline, the etchant solution configured using seawater, sea is simulated as far as possible
The stress corrosion situation of foreign engineering pipeline under real conditions;
2. compared to similar patent, adding the function of moment of flexure loading experiment, Ocean Oil And Gas Pipeline can be simulated in seabed
When there is suspended span, the corrosion experiment situation under the conditions of complex load;
3. realizing the permanent displacement of axial load, constant load loading, torsional load is loaded, and the complex load such as bending load loading adds
The situation of load.Can by the combinations of different loads so that realize tension-torsion, pressure turn round, pressure moment of flexure combination etc. complex loading feelings
Condition.
4. the present apparatus is provided with two corrosion water tanks in an experiment, experimental group and control group experiment, control can be carried out simultaneously
Other conditions processed are identical, stress corrosion affecting laws of the research unitary variant change for pipeline, it is possible to increase conventional efficient.
Brief description of the drawings
Fig. 1 complete layouts
Label declaration in figure:1-fixed station;2-hydraulic jack;3-flange;4-flange;5-piston;6-hydraulic oil
Cylinder;7-hydraulic jack;8-experimental channel;9-oxygen flexible pipe;10-corrosion experiment water tank;11-hydraulic jack;12-oxygen
Gas flexible pipe;13-corrosion experiment water tank;14-hydraulic jack;15-collar connecting hole;16-semicircular collar;17-lead
Rail;18-outer wall;19-flange;20-guide rail;21-pin;22-triangle provides framework;23-flange;24-guide rail.
Fig. 2 axial loading device figures, (a) is stereogram, and (b) is front view
Label declaration in figure:1-fixed station;2-hydraulic jack;3-flange;5-piston;
Fixed station 1 and hydraulic jack 2 are fixed on the ground, and the piston 5 and hydraulic jack 2 of flange 3 and hydraulic jack are all
It is integral.In experimentation, axial load is passed to experimental channel 8 by piston 5 by flange 3.
Fig. 3 torsional load loading devices
Label declaration in figure:3-flange;6-hydraulic jack;7-hydraulic jack;
Hydraulic jack 6,7 is all fixed on ground, is connected by bolt and flange 3.In experimentation, hydraulic jack 6 applies
Load vertically upward, hydraulic jack 7 applies the load vertically downward of formed objects, and two load form torsional moment.
Fig. 4 bending load loading devices
Fig. 5 bending load loading devices
Label declaration in figure:14-hydraulic jack in Fig. 4;15-collar connecting hole;11-hydraulic jack in Fig. 5;12—
Oxygen flexible pipe;16-semicircular collar;
Two semicircular collars 16 are connected by the connecting hole 15 in Fig. 4 up and down, have spiral shell on the bearing of hydraulic jack 11,14
Line, bearing passes through connecting hole, is fastened with bolt.In experimentation, hydraulic jack 11,14 apply simultaneously identical it is vertical to
Under load, because the two ends of experimental channel 8 are fixed, bending load is applied with equivalent to experimental channel 8.
Fig. 6 pipeline fixing devices
Label declaration in figure:20-guide rail;21-pin;22-triangle fixed frame;23-flange;24-guide rail;
Triangle fixed frame 22 is separately fixed at by three pins 21 by guide rail 17 according to the length of experimental channel 8, led
On rail 20 and guide rail 24, guide rail 24 is fixed on the top of outer wall, and guide rail 17, guide rail 20 are fixed on the ground, will be with experimental channel 8
The flange 19 of welding is fixedly connected with the flange 23 on triangle fixed frame 22 by eight bolts.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is further described:
As shown in figure 1, full-scale ocean engineering corrosive pipeline experimental facilities, is mainly used in measurement full-scale experiment pipeline 8
Under conditions of complex load is applied, the state change in seawater corrosion solution, including:Axial load loading device 1,
2nd, 5, torsional load loading device 6,7, bending load loading device 11,14,15,16, corrosion experiment water tank 9,10,12,13, pipe
Channel fixing device 17,19,20,21,22,23,24, experimental facilities fixes insulation outer wall 18.Wherein, corrosion experiment water tank 10, corruption
Erosion Experimental Water Tank 13 is tightly connected by etch-proof rubber washer with experimental channel 8, experimental channel 8 and axial load, torsion
Load charger is connected by flange 3 and flange 4, and experimental channel 8 and bending load loading device are connected by the steel collar 16
Connect, experimental channel 8 and fixing device are connected by flange 19 and flange 23.
Axial load loading device includes fixed station 1, is fixed on hydraulic jack 2 and piston 5 on fixed station 1.Connection dress
Flange 3 and flange 4 including two same sizes are put, wherein flange 3 and piston 5 is integral, and flange 4 is weldingly fixed on experiment
On pipeline 8, flange 3 and flange 4 pass through 8 bolt connections, it is ensured that be not in relative displacement.Can be with the cylinder body of hydraulic jack 2
Two-way addition hydraulic oil, therefore can provide two-way axial load, it is axial that the oil pressure of hydraulic jack 2 promotes piston 5 to carry out
Way moving, piston 5 is fixedly connected with flange 3, and the axial force of piston 5 is delivered to experimental channel 8 by flange 3 and flange 4
One end section.Because flange 4 and the sectional uniform of experimental channel 8 are contacted, axial load can be uniformly applied on experimental channel 8.It is logical
Permanent displacement loading, constant load loading can be adjusted by crossing electronic numerical control equipment, and regulate and control the axle that loading velocity loads different situations
To load.
Ring torsional load loading device includes the hydraulic jack for the same specification that hydraulic jack 6 and symmetric position are placed
7, flange 3 and flange 4.Hydraulic jack 6, hydraulic jack 7 are fixed on the ground, between flange 3 and flange 4, flange 4 and experiment tube
The connected mode in road 8 and described above identical, the hydraulic jack 6 and hydraulic jack 7 for applying moment of torsion are bolted on flange 3
On the bolt in side centre position, as shown in Figure 1.When applying torsional load, symmetrically placed hydraulic jack 6 and hydraulic jack
7 provide the load of the opposite direction perpendicular to ground respectively, for example, hydraulic jack 6 provides load upward perpendicular to the ground, hydraulic pressure
Oil cylinder 7 provides load downward perpendicular to the ground, and two load collective effects can form torsion moment of flexure.If necessary to provide phase negative side
To torsion moment of flexure, thus it is possible to vary the loading direction of hydraulic jack 6 and hydraulic jack 7.
Bending load loading device includes two semicircular collars 16, hydraulic jack 14 and to be symmetrically disposed at pipeline another
The hydraulic jack 11 of the same specification in side.Hydraulic jack 11 and hydraulic jack 14 are fixed on the ground, the internal diameter of semicircular collar 16
It is identical with the external diameter of experimental channel 8, it is ensured that semicircular collar 16 can be seamless applying on experimental channel 8.Semicircular collar 16
It is fixedly connected in the side of experimental channel 8 by nut with hydraulic jack 11 with the bearing of hydraulic jack 14, hydraulic jack 11 and liquid
The bearing of compressing cylinder 14 passes through the connecting hole of the collar, and below connecting hole and above respectively plus a nut, nut passes through axle
The screw threads for fastening held, so that experimental channel 8, semicircular collar 16 and hydraulic jack 11,14 are connected as one.Apply
During bending load, hydraulic jack 11,14 applies the power F perpendicular to ground downwards to semicircular collar 16 simultaneously, and the collar passes power
Lead to experimental channel 8, the distance between the position of semicircular collar 16 and the position fixed ends of experimental channel 8 are L, moment M=F*L.
Corrosion experiment water tank 10,13 is distributed in the both sides of semicircular collar 16, and the distance away from semicircular collar 16 is identical, with
Ensure that corrosion experiment pipeline section is acted on by identical bending load.The coupling part of corrosion experiment water tank 10,13 and experimental channel 8
Connected by etch-proof rubber ring seal.There are etch-proof oxygen flexible pipe 9 and oxygen soft in corrosion experiment water tank 10,13
Property pipe 12, can be with the oxygen concentration of control corrosion rate solution.In experimentation, corrosion experiment water tank 10 is experimental group, corrosion experiment
Water tank 13 is control group, by controlling the technique study unitary variant of variable for the influence of experimental channel 8.
The fixing end of pipeline is by triangle fixed frame 22, flange 23, guide rail 17, guide rail 20 and guide rail 24, and often
The pin 21 that same position is placed in individual guide rail is constituted.Outer wall 18 is made up of building thermal insulation material, can play fixed and protect
The effect of temperature, whole experimental provision is all placed in the bin space that outer wall 18 is surrounded, in order to make it easy to understand, show only in figure small
Partial outer wall 18.Flange 23 has been welded and fixed on triangle fixed frame 22, can have been slided on guide rail, in experimentation,
Experimental channel 8 and flange 19 are welded to connect and are integrally formed, and are being led according to the length adjustment triangle fixed frame 22 of experimental channel 8
Position on rail, determines behind position to be fixedly connected with flange 19 with flange 23 with eight bolts, then with three pins 21 by triangle
Fixed frame 22 is fixed on guide rail 17, guide rail 20 and guide rail 24.
Before experiment is carried out, first etch-proof rubber washer is enclosed on by experimental channel 8 through two corrosion water tanks 10,13
On experimental channel 8, but and without sealing.Then flange 4 and flange 19 are respectively welded to the two ends of experimental channel 8, and root
Triangle fixed frame 22 is fixed on guide rail 17,20,24 according to the length of experimental channel 8.As shown in Fig. 2 triangle is fixed
The flange 4 of pipeline one end is fixedly connected by framework 22 after fixing with the flange 3 of axial load loading device, and will by bolt
The hydraulic jack 6,7 and flange 3,4 for applying torsional load are fixed together in the lump.As shown in fig. 6, the flange 19 of the pipeline other end
It is fixedly connected with the flange 23 on triangle fixed frame 22.As shown in Figure 4,5, by two semicircular collars 16 by nut and
The bearing for applying the hydraulic jack 11,14 of bending load is fixedly connected, and constitutes bending load load-on module.
During imposed load, the pattern of axial displacement loading device can be controlled by digital control system, dead load is adjusted
Lotus, permanent displacement axial load loading, are applied by the load-on module in such as Fig. 2.The size of torsional load, direction are added by numerical control
Carry to put and applied, applied by the load-on module in such as Fig. 3., be first according to formula M=F*L when bending load is loaded, its
Middle L be bending load load-on module apart from the distance of pipeline fixing end, calculate F size, then mould is loaded by bending load
Device in block, such as Fig. 4,5 applies.By regulating and controlling the combination of different loads type, realize that constant load Compression and Expansion, permanent displacement are drawn
Stretch the different loadings such as compression, torsion, bending.
After the load load condition of experimental channel 8 is determined, the state of experimental channel 8 has been fixed, and etch-proof rubber is used afterwards
Experimental channel 8 and corrosion experiment water tank 10,13 are tightly connected by packing ring.
In experimentation, seawater sample can be gathered, as needed the parameter such as pH value, solution concentration of allotment seawater sample,
And the temperature of control corrosion rate solution.As shown in figure 1, experimental group corrosion experiment water tank 10 is set, control group corrosion experiment water tank 13,
By controlling the experimental method of variable, affecting laws of the research Parameters variation for the performance of experimental channel 8.
In experimentation, experiment bin has temperature regulating device in room, meanwhile, outer wall 18 is made up of building thermal insulation material, insulation
Work well.In addition, there is humidification device in bin, the humidity in bin can be controlled.
Claims (3)
1. a kind of ocean engineering corrosive pipeline experimental facilities, for carrying out corrosion simulated experiment to experimental channel (8), including:Axle
To load charger, torsional load loading device, bending load loading device, two corrosion experiment water tanks (10,13) and pipe
Channel fixing device and outer wall (18), wherein,
Two corrosion experiment water tanks (10,13) and the different parts of experimental channel (8) are tightly connected respectively, and are respectively communicated with aerobic
Gas flexible pipe (9,12), for the oxygen concentration of control corrosion rate solution;
One end of experimental channel (8) is loading end, and the other end is fixing end, and axial load loading device is used for experimental channel 8
Loading end apply axial load, including fixed station (1), the hydraulic jack (2) being placed on fixed station (1), its piston (5) with it is real
The loading end for testing pipeline (8) is fixedly connected;
Torsional load loading device, which includes applying on the same cross section of the loading end of experimental channel (8), reverses the two of moment of flexure
Individual hydraulic jack (6,7);
Pipeline fixing device is used for the fixing end for fixing experimental channel (8);
Bending load loading device is carried in the outside of the experimental channel (8) between two corrosion experiment water tanks (10,13), described
Bending load loading device include the collar (16) and two hydraulic jacks (11,14), the collar (16) be fixed on two corrosion reality
The outside for the experimental channel (8) tested between water tank (10,13), two hydraulic jacks (11,14) are by the collar (16) while to reality
Test the load of pipeline (8) application vertically downward.
2. experimental facilities according to claim 1, it is characterised in that outer wall (18) is made up of insulation material, whole ocean
Engineering pipeline corrosion experiment equipment is placed in the bin space that outer wall (18) is surrounded, and temperature regulating device is provided with bin space.
3. experimental facilities according to claim 1, it is characterised in that humidification device is provided with bin space.
Priority Applications (1)
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CN201710251645.6A CN107167376A (en) | 2017-04-18 | 2017-04-18 | Ocean engineering corrosive pipeline experimental facilities |
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CN201710251645.6A CN107167376A (en) | 2017-04-18 | 2017-04-18 | Ocean engineering corrosive pipeline experimental facilities |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112945841A (en) * | 2021-01-26 | 2021-06-11 | 华东交通大学 | Length-adjustable electrochemical corrosion device and system in I-shaped steel beam cell |
CN114636529A (en) * | 2022-05-17 | 2022-06-17 | 浙江大学 | Multifunctional hydrogen conveying pipeline test system |
CN114636523A (en) * | 2022-05-17 | 2022-06-17 | 浙江大学 | Carrier gas bin testing device for hydrogen conveying pipeline |
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CN102435504A (en) * | 2011-12-15 | 2012-05-02 | 中国石油天然气股份有限公司 | In-service pipeline composite load simulation test method and system |
CN104807704A (en) * | 2015-05-08 | 2015-07-29 | 西安向阳航天材料股份有限公司 | Bi-metal composite pipe bending test device |
CN106248568A (en) * | 2016-09-16 | 2016-12-21 | 天津大学 | Pipelines in deep sea stress corrosion complex loading assay device |
CN106442181A (en) * | 2016-09-16 | 2017-02-22 | 天津大学 | Fatigue test device for marine riser external corrosion |
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2017
- 2017-04-18 CN CN201710251645.6A patent/CN107167376A/en active Pending
Patent Citations (4)
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CN102435504A (en) * | 2011-12-15 | 2012-05-02 | 中国石油天然气股份有限公司 | In-service pipeline composite load simulation test method and system |
CN104807704A (en) * | 2015-05-08 | 2015-07-29 | 西安向阳航天材料股份有限公司 | Bi-metal composite pipe bending test device |
CN106248568A (en) * | 2016-09-16 | 2016-12-21 | 天津大学 | Pipelines in deep sea stress corrosion complex loading assay device |
CN106442181A (en) * | 2016-09-16 | 2017-02-22 | 天津大学 | Fatigue test device for marine riser external corrosion |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112945841A (en) * | 2021-01-26 | 2021-06-11 | 华东交通大学 | Length-adjustable electrochemical corrosion device and system in I-shaped steel beam cell |
CN112945841B (en) * | 2021-01-26 | 2022-02-01 | 华东交通大学 | Length-adjustable electrochemical corrosion device and system in I-shaped steel beam cell |
CN114636529A (en) * | 2022-05-17 | 2022-06-17 | 浙江大学 | Multifunctional hydrogen conveying pipeline test system |
CN114636523A (en) * | 2022-05-17 | 2022-06-17 | 浙江大学 | Carrier gas bin testing device for hydrogen conveying pipeline |
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