CN110299043A - It is a kind of three-dimensional perseverance cover pressure efficient simulation gas hydrates model - Google Patents
It is a kind of three-dimensional perseverance cover pressure efficient simulation gas hydrates model Download PDFInfo
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- CN110299043A CN110299043A CN201910574551.1A CN201910574551A CN110299043A CN 110299043 A CN110299043 A CN 110299043A CN 201910574551 A CN201910574551 A CN 201910574551A CN 110299043 A CN110299043 A CN 110299043A
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Abstract
The present invention relates to a kind of three-dimensional perseverances to cover pressure efficient simulation gas hydrates model, including a simulation bracket, and the simulation bracket includes the supporting block that a pair is distributed up and down；One is placed in the pressure simulation container between two supporting blocks in gap, and the pressure simulation container includes a pressure vessel main body；One is placed in the hydrate simulation container in pressure simulation container, which simulates container and be driven in and out pressure vessel main body by a feeding mechanism, while also there is monohydrate to simulate container gripper mechanism in pressure vessel main body.The present invention has the advantages that adding a pressure simulation container on the outside of container by simulating in hydrate, so as to change the pressure in pressure simulation container when hydrate simulation container deforms, to prevent hydrate simulation container, deformation occurs, it is thin so as to integrally make hydrate simulation container in this way, the weight of corresponding hydrate simulation container also just lightens, and facilitates experiment.
Description
Technical field
The present invention relates to construction of natural gas fields field, in particular to a kind of three-dimensional perseverance covers pressure efficient simulation gas hydrates mould
Type.
Background technique
Gas hydrates are also known as " combustible ice ", are distributed across in the permafrost of halmeic deposit or land-based area, by natural
The crystalline material for the class ice-like that gas and water are formed under the conditions of high pressure low temperature.Because of its appearance as ice and also meet fire it is i.e. flammable
It burns, so also referred to as " combustible ice ".Its Resource Density is high, and distribution on global is extensive, has high resource value, thus becomes
Oil and gas industry circle studies for a long period of time hot spot.From the sixties in last century, using the U.S., Japan, Germany, China, South Korea, India as representative
Some countries all worked out natural gas hydrate exploration developmental research plan.So far, people are in offshore sea waters and permafrost region
It was found that hydrate mine point is more than to emerge large quantities of gas hydrates hot research area at 230.
On the basis of looking back the definition of the Unconventional gas such as tight gas, shale gas, coal bed gas hiding, it is hydrated based on natural gas
The feature of object hiding, it is believed that gas hydrates refer to is suitable for the gas migrations such as a certain amount of methane to temperature and pressure
Stratum, and natural gas hydrate resources of the preservation in stratum/unconsolidated sediment and its have direct correlation therewith in solid form
Gas accumulation.Therefore, it when development natural gas hydrate resources are reconnoitred with evaluation, should find out under gas hydrates layer
Portion's free gas situation, " two floor formula of solid-gas " gas hydrates there are free gas-bearing formation are current advantageous gas waters
It closes object and develops target body.
It includes I class, II class and Group III that hydrate, which hides form that may be present, and layering physical analogy is research different type
The important means of hydrate hiding withdrawal mechanism；Even same type of hydrate hiding, layering physical model also can be more realistically
Reaction hydrate hides that decomposing level on vertical, stratum be thermally conductive and flow characteristics.Therefore, hydrate exploitation layering physics mould is developed
Draft experiment device, the production performance analysis that can be hidden for different type hydrate and the numerical simulation study in later period provide data branch
It holds.
Currently, existing hydrate exploitation layering physical analogy container, when carrying out hydrate layer distribution in simulation ground end,
The problems such as being formed by pressure high pressure and pressure change in simulation container, therefore, in order to avoid influencing container hydrate
The distribution of layer, it will usually the thick entirety of wall of a container be done into thickness, which results in whole container volumes greatly, weight weight, and movement is not
It is convenient, it is unfavorable for testing.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of three-dimensional perseverances to cover pressure efficient simulation gas hydrates model, energy
It is enough to reduce simulation wall of a container thickness and weight, facilitate experiment.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of three-dimensional perseverance covers pressure efficient simulation gas water
Object model is closed, innovative point is: including
One simulation bracket, the simulation bracket include the supporting block that a pair is distributed up and down, and there are gaps between two supporting blocks, and
It is provided with inverted U-shaped opening in the bottom end for the supporting block being located above, the top of underlying supporting block is provided with U opening；
One is placed in the pressure simulation container between two supporting blocks in gap, and the pressure simulation container includes a pressure vessel master
Body, the pressure vessel main body are the hollow cylinder shape container that two side ends are open, and in the side of pressure vessel main body, fixation is set
It is equipped with a pressure vessel capping matched with pressure vessel main body, the other side is movably set with one and matches with pressure vessel main body
Close the pressure vessel cover board used；
One is placed in the hydrate simulation container in pressure simulation container, and hydrate simulation container is driven in and out by a feeding mechanism
Pressure vessel main body, while also there is monohydrate to simulate container gripper mechanism in pressure vessel main body.
Further, the cooperation between the pressure vessel main body and pressure vessel cover board are as follows: in the side of simulation bracket
Movable guiding rail a pair of horizontally disposed and to the extension of pressure vessel cover board direction is installed, this is mounted on a guide rail to movable guiding rail
On bracket, side and the simulation bracket of the rail brackets are mutually fixed, and have the matched activity used on movable guiding rail
The two sides of sliding block, pressure container cover board bottom end are fixedly linked with movable slider respectively, and the pressure vessel cover board is led by being mounted on
Horizontal drive cylinder driving on rail bracket is separate or close to pressure vessel main body, to realize the opening and closing of pressure vessel main body.
Further, the feeding mechanism includes that a pair is set to the intracorporal fixed guide rail of pressure vessel master and a pair is set
The movable guiding rail being placed on the outside of pressure vessel main body, and the end of fixed guide rail and the end of movable guiding rail are mutually butted, it is described
Movable guiding rail is mounted on a lifting support, which is driven by a pair of of lifting cylinder and carry out oscilaltion and drive activity
Guide rail carries out oscilaltion, is additionally provided with the movable slider to reciprocatingly slide therebetween on movable guiding rail and fixed guide rail,
The bottom end of the hydrate simulation container is supported on movable slider, is additionally provided with a feeding in the outside of pressure vessel capping
Cylinder, the piston rod of the feeding cylinder stretches in pressure simulation container and is connected with the side of hydrate simulation container, and pulls
Hydrate simulation container enters in pressure simulation container.
Further, the hydrate simulation container includes a simulation container body and matches with simulation container body
Simulation container cover plate, the simulation container body is the hollow rectangular parallelepiped structure that is open of a upper/lower terminal, simulates container master
The upper and lower ends of body have been bolted a simulation container cover plate, also set on the top for the simulation container cover plate being located above
It is equipped with lifting lug.
Further, the hydrate simulation container gripper mechanism includes being located at intracorporal a pair of pressure vessel master or more point
The grip block of cloth, the grip block is close to each other or separate by the clamping cylinder driving being mounted in supporting block respectively, to clamp
Or it unclamps hydrate and simulates container.
Further, the two sides that the top of the pressure simulation container is located at supporting block are also provided with lifting lug.
Further, the inner wall of the pressure simulation container is coated with one layer of nanometer heat isolation paint layer.
Further, the inner wall of the pressure vessel cover board is also equipped with deformation-sensor.
The present invention has the advantages that in the present invention, adding a pressure simulation on the outside of container by simulating in hydrate
Container prevents hydrate from simulating so as to change the pressure in pressure simulation container when hydrate simulation container deforms
Deformation occurs for container, thin so as to integrally make hydrate simulation container in this way, corresponding hydrate simulation container
Weight also just lightens, and facilitates experiment.
It is cylindrical shape for pressure simulation Vessel Design, using the high characteristic of cylindrical body pressure-bearing, so that pressure simulation holds
Device can satisfy pressure demand, and cooperate such design, and hydrate simulation container may be designed as rectangular-shape, so as to more
The good hydrate distribution situation for simulating ground end.
Setting for hydrate simulation container gripper mechanism is simulated container to hydrate by a pair of of grip block and is pressed from both sides
Tightly, it avoids during carrying out simulated experiment, hydrate simulation container moves in pressure simulation container, and influences reality
It tests.
By coating one layer of nanometer heat isolation paint layer in pressure simulation container inner wall, so as to reduce by 80% heat dissipation capacity,
It allows hydrate to simulate container and the abundant thermal convection of cold fluid, achievees the purpose that highly effective refrigeration.
Setting for deformation-sensor, so as to monitor its deformation to the most weak point of hydrate simulation container,
And the pressure in pressure simulation container is controlled i.e. according to the value tracking hydrate simulation distortion of vessel of deformation-sensor feedback
It can solve the problems, such as that hydrate simulation container does thin and bring deformation failure.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the schematic diagram that three-dimensional perseverance of the invention covers pressure efficient simulation gas hydrates model.
Fig. 2 is the front view that three-dimensional perseverance of the invention covers pressure efficient simulation gas hydrates model.
Fig. 3 is the B-B cross-sectional view of Fig. 2.
Fig. 4 is the side view that three-dimensional perseverance of the invention covers pressure efficient simulation gas hydrates model.
Fig. 5 is the C-C cross-sectional view of Fig. 4.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of three-dimensional perseverance as Figure 1-Figure 5 covers pressure efficient simulation gas hydrates model, including
One simulation bracket, simulation bracket include the supporting block 1 that a pair is distributed up and down, and there are gaps between two supporting blocks 1, and
The bottom end for the supporting block 1 being located above is provided with inverted U-shaped opening, and the top of underlying supporting block 1 is provided with U opening, two branch
It is connected and fixed between bracer 1 by the pull rod 11 that four rectangular in form are distributed, the bottom end of pull rod 11 and underlying supporting block 1
Between be fixedly connected, the upper end of pull rod 11 be placed through from bottom to top top supporting block 1 after be connected with a rod cap 12, pull rod
It is connected and fixed between cap 12 and pull rod 11 by pin shaft.
One is placed in the pressure simulation container between two supporting blocks 1 in gap, and pressure simulation container includes a pressure vessel
Main body 2, the pressure vessel main body 2 are the hollow cylinder shape container that two side ends are open, solid in the side of pressure vessel main body 2
Surely a pressure vessel capping 21 matched with pressure vessel main body 2, the other side activity setting of pressure vessel main body 2 are provided with
There is a pressure vessel cover board 22 being used in combination with pressure vessel main body 2.
Cooperation between pressure vessel main body 2 and pressure vessel cover board 22 are as follows: be equipped with a pair in the side of simulation bracket
Movable guiding rail 23 horizontally disposed and to the extension of 22 direction of pressure vessel cover board, this is mounted on a rail brackets to movable guiding rail 23
On 24, the sides of rail brackets 24 is mutually fixedly connected with the side of the supporting block 1 of simulation bracket, have on movable guiding rail 24 with
The movable slider 25 being used cooperatively, be also connected with a connecting seat 25, the bottom of attachment base 25 in the bottom end of pressure vessel cover board 22
The two sides at end are fixedly linked with the movable slider 25 on two movable guiding rails 23 respectively, and pressure vessel cover board 22 is by being mounted on guide rail
Horizontal drive cylinder 27 on bracket 24 drives separate or close pressure vessel main body 2, to realize opening for pressure vessel main body 2
It closes, there is the protrusion of a protrusion in pressure vessel cover board 22 close to the side of pressure vessel main body 2, while in pressure vessel main body
2 inner wall close to 22 side of pressure vessel cover board has the groove chimeric with protrusion is held, and is additionally provided between protrusion and groove
Sealing ring, so that it is guaranteed that the sealing effect between pressure vessel cover board 22 and pressure vessel main body 2, avoids letting out for pressure
Dew, and influence the data result of experiment.
Lifting lug 13 is also provided in the two sides that the top of pressure simulation container is located at supporting block 1, the setting of lifting lug 13, then
It has been in order to facilitate overall model handling.
One is placed in the hydrate simulation container in pressure simulation container, and it includes a simulation container body that hydrate, which simulates container,
3 and with the simulation container cover plate 31 that matches of simulation container body 3, simulation container body 3 is what a upper/lower terminal was open
The upper and lower ends of hollow rectangular parallelepiped structure, simulation container body 3 have been bolted a simulation container cover plate 31, are being located at
The top of the simulation container cover plate 31 of top is additionally provided with lifting lug, and the setting of lifting lug is then for convenience by whole hydrate mould
Quasi- container is hoisted in pressure simulation container or hangs out from pressure simulation container, reduces hand labor.
It is cylindrical shape for pressure simulation Vessel Design, using the high characteristic of cylindrical body pressure-bearing, so that pressure simulation holds
Device can satisfy pressure demand, and cooperate such design, and hydrate simulation container may be designed as rectangular-shape, so as to more
The good hydrate distribution situation for simulating ground end.
Hydrate simulates container and is driven in and out pressure vessel main body 2 by a feeding mechanism, and feeding mechanism includes a pair of of setting
In fixation guide rail 41 and a pair of movable guiding rail 42 for being set to 2 outside of pressure vessel main body in pressure vessel main body 2, and admittedly
The end of the end and movable guiding rail 42 of determining guide rail 41 is mutually butted, and movable guiding rail 41 is mounted on a lifting support 43, the liter
Descending branch frame 43 is driven by a pair of of lifting cylinder 44 to carry out oscilaltion and movable guiding rail 42 is driven to carry out oscilaltion, passes through two
Lifting cylinder 44 to carry out lifting support 43 driving of oscilaltion, and lifting support 43 is more smoothly carried out
The phenomenon that moving, avoiding the occurrence of inclination, and the hydrate being placed on movable guiding rail 42 simulation container is caused to slide, in movable guiding rail
42 with the movable slider 45 to reciprocatingly slide therebetween is additionally provided on fixed guide rail 41, hydrate simulates the mould of container bottom end
Quasi- container cover plate 31 is supported on movable slider 45, and by simulation container cover plate 31 and simulate container body 3 fix it is naked
The head of the bolt to expose outside limits movable slider 45, is additionally provided with a feeding in the outside of pressure vessel capping 21
Cylinder 46, the piston rod of feeding cylinder 46 stretch in pressure simulation container and are connected with the side of hydrate simulation container, while
The side wall of simulation container body 3 has the connecting flange being connected with feeding cylinder 46, and hydrate simulation container is pulled to enter pressure
It simulates in container.In the present embodiment, what is lifting cylinder 44, feeding cylinder 46 are all made of is hydraulic cylinder.
In pressure vessel main body 2 also there is monohydrate to simulate container gripper mechanism, hydrate simulates container clamping machine
Structure includes the grip block 51 that a pair in pressure vessel main body 2 is distributed up and down, and underlying grip block 51 is located at two
Between fixed guide rail 41, grip block 51 driven respectively by the clamping cylinder 52 being mounted in supporting block 1 it is close to each other or separate, thus
Clamp or release hydrate simulates container, several and column distribution rectangular recess is provided on grip block 51, using rectangular recess
Setting, rather than use a plane, then be can preferably be clamped for grip block 51 hydrate simulation container.For
Hydrate simulates the setting of container gripper mechanism, simulates container to hydrate by a pair of of grip block 51 and is clamped, avoids
During carrying out simulated experiment, hydrate simulation container moves in pressure simulation container, and influences experiment.
One layer of nanometer heat isolation paint layer is coated in the inner wall of pressure simulation container.By being applied in pressure simulation container inner wall
Upper one layer of nanometer heat isolation paint layer makes hydrate simulation container and cold fluid sufficiently heat right so as to reduce by 80% heat dissipation capacity
Stream, achievees the purpose that highly effective refrigeration.
It is also equipped with deformation-sensor 28 in the inner wall of pressure vessel cover board 22, deformation-sensor 28 is in there are four having altogether
Arc shape is distributed in the upside of pressure vessel cover board 22.Setting for deformation-sensor 28, so as to be simulated to hydrate
The most weak point of container tracks hydrate simulation distortion of vessel according to the value that deformation-sensor 28 is fed back to monitor its deformation
The problem of hydrate simulation container does thin and bring deformation failure can be solved to control the pressure in pressure simulation container.
Working principle: when being tested, the hydrate simulation container of rock stratum passes through loop wheel machine or other classes shape first
It is hung on the movable slider 45 on movable guiding rail 42 like handling apparatus, then feeding cylinder 46 works, and piston rod is moved to water
The side of object simulation container is closed, and feeding cylinder 46 is simulated with hydrate by container by connecting flange and is connect, then feeding cylinder 46
It reversely retracts, hydrate simulation container is pulled to be moved on fixed guide rail 41 from movable guiding rail 42, into pressure simulation container,
At this point, lifting cylinder 44 drives 43 downlink of lifting support, and 42 downlink of movable guiding rail is driven, to avoid pressure vessel cover board 22,
Then, horizontal drive cylinder 27 works, and pushes pressure vessel cover board 22 chimeric with pressure vessel main body 2, and passes through horizontal drive cylinder
27 keep the compression of pressure vessel cover board 22, and then, two clamping cylinders 52 drive two about 51 grip blocks to clamp hydrate mould
Quasi- container, then by pressure simulation container cut-in pressure system, refrigeration system, to pressurized refrigerant in pressure simulation container, with side
Just the rock stratum in hydrate simulation container forms hydrate, and monitors pressure simulation distortion of vessel feelings by deformation-sensor 28
Condition, the pressure for change in time in pressure simulation container avoid hydrate from simulating container to cooperate hydrate to simulate container
Permanent deformation.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of three-dimensional perseverance covers pressure efficient simulation gas hydrates model, it is characterised in that: including
One simulation bracket, the simulation bracket include the supporting block that a pair is distributed up and down, and there are gaps between two supporting blocks, and
It is provided with inverted U-shaped opening in the bottom end for the supporting block being located above, the top of underlying supporting block is provided with U opening；
One is placed in the pressure simulation container between two supporting blocks in gap, and the pressure simulation container includes a pressure vessel master
Body, the pressure vessel main body are the hollow cylinder shape container that two side ends are open, and in the side of pressure vessel main body, fixation is set
It is equipped with a pressure vessel capping matched with pressure vessel main body, the other side is movably set with one and matches with pressure vessel main body
Close the pressure vessel cover board used；
One is placed in the hydrate simulation container in pressure simulation container, and hydrate simulation container is driven in and out by a feeding mechanism
Pressure vessel main body, while also there is monohydrate to simulate container gripper mechanism in pressure vessel main body.
2. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the pressure
Cooperation between force container main body and pressure vessel cover board are as follows: be equipped in the side of simulation bracket a pair of horizontally disposed and to pressure
The movable guiding rail that force container cover board direction extends, this is mounted on a rail brackets movable guiding rail, the side of the rail brackets
End is mutually fixed with simulation bracket, has the matched movable slider used on movable guiding rail, pressure container cover board bottom end
Two sides are fixedly linked with movable slider respectively, and the pressure vessel cover board is driven by the horizontal drive cylinder being mounted on rail brackets
Separate or close pressure vessel main body, to realize the opening and closing of pressure vessel main body.
3. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: described to send
Material mechanism includes a pair of being set to the intracorporal fixed guide rail of pressure vessel master and a pair of being set on the outside of pressure vessel main body
Movable guiding rail, and the end of fixed guide rail and the end of movable guiding rail are mutually butted, the movable guiding rail is mounted on a lifting branch
On frame, which is driven by a pair of of lifting cylinder carries out oscilaltion and movable guiding rail is driven to carry out oscilaltion, in work
The movable slider to reciprocatingly slide therebetween, the bottom of the hydrate simulation container are additionally provided on dynamic guide rail and fixed guide rail
End is supported on movable slider, is additionally provided with a feeding cylinder in the outside of pressure vessel capping, the piston rod of the feeding cylinder is stretched
Enter in pressure simulation container and with the side of hydrate simulation container and be connected, and pulls hydrate to simulate container and enter pressure mould
In quasi- container.
4. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the water
Close the simulation container cover plate that object simulation container includes a simulation container body and matches with simulation container body, the simulation
Container body is the hollow rectangular parallelepiped structure that a upper/lower terminal is open, and the upper and lower ends for simulating container body pass through bolt
It is fixed with a simulation container cover plate, is additionally provided with lifting lug on the top for the simulation container cover plate being located above.
5. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the water
Closing object simulation container gripper mechanism includes positioned at the intracorporal a pair of grip block being distributed up and down of pressure vessel master, the grip block point
It is not close to each other or separate by the clamping cylinder driving being mounted in supporting block, so that clamp or release hydrate simulates container.
6. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the pressure
The two sides that the top of power simulation container is located at supporting block are also provided with lifting lug.
7. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the pressure
The inner wall that power simulates container is coated with one layer of nanometer heat isolation paint layer.
8. three-dimensional perseverance according to claim 1 covers pressure efficient simulation gas hydrates model, it is characterised in that: the pressure
The inner wall of force container cover board is also equipped with deformation-sensor.
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| CN109725357A (en) * | 2018-12-29 | 2019-05-07 | 中国地质调查局油气资源调查中心 | A kind of One-dimensional simulation device of gas hydrates exploitation imitative experimental appliance |
| CN208990766U (en) * | 2018-07-12 | 2019-06-18 | 中国科学院广州能源研究所 | A kind of object containing natural gas hydrate deposits shakes out reaction kettle |
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| US20080178683A1 (en) * | 2007-01-31 | 2008-07-31 | James Heathman | Testing mechanical properties |
| CN202330168U (en) * | 2011-11-14 | 2012-07-11 | 东北石油大学 | Simulation test device of separate layer fracturing layer cross flow |
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