CN109637327A - Three-dimensional analogue test high-pressure gas supply system of deep water combustible ice step-down trial production - Google Patents
Three-dimensional analogue test high-pressure gas supply system of deep water combustible ice step-down trial production Download PDFInfo
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- CN109637327A CN109637327A CN201811551551.1A CN201811551551A CN109637327A CN 109637327 A CN109637327 A CN 109637327A CN 201811551551 A CN201811551551 A CN 201811551551A CN 109637327 A CN109637327 A CN 109637327A
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 474
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 304
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 150
- 239000007789 gas Substances 0.000 claims abstract description 138
- 238000004088 simulation Methods 0.000 claims abstract description 137
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000013049 sediment Substances 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000000872 buffer Substances 0.000 claims abstract description 3
- 230000006837 decompression Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 21
- 238000013480 data collection Methods 0.000 claims description 15
- 238000010926 purge Methods 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000010455 autoregulation Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 7
- 150000004677 hydrates Chemical class 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 150000001335 aliphatic alkanes Chemical class 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention provides a high-pressure gas supply system for a three-dimensional simulation test of pressure reduction and trial production of combustible ice in deep water, which is applied to high-pressure gas supply of the test of trial production of combustible ice. The high-pressure gas supply system comprises a methane supply device, a nitrogen supply device, a methane supply simulation test control system and a nitrogen supply simulation test control system, and implements an operation flow of combustible ice depressurization trial production of deepwater sediment to simulate production liquid high-pressure gas supply, wherein the methane supply device supplies stable and continuously pressure-adjustable high-pressure dry methane according to a gas filter and a self-operated pressure regulating valve, the nitrogen supply device supplies stable and continuously pressure-adjustable high-pressure nitrogen according to a pressure pneumatic control valve and a self-operated pressure regulating valve, and sweeps a pressure tubular buffer tank and a simulated combustible ice reactor, and the methane supply simulation test control system and the nitrogen supply simulation test control system respectively realize remote automatic control of the operation flow of the production liquid high-pressure dry methane and the high-pressure nitrogen supply and guarantee the flow safety of the production liquid high-pressure dry.
Description
Technical field
The present invention relates to a kind of high pressure gas feed systems of ocean engineering field simulation deep water combustible ice pilot production test, especially
It is to be related to a kind of deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system and its process flow.
Background technique
Currently, combustible ice synthesis and extracting experiment system are mainly combustible ice cryogenic high pressure simulation experiment system, and these
Combustible ice cryogenic high pressure simulation experiment system is generally made of high-pressure system, cooling system and test macro, middle-and-high voltage system
Comprising high-pressure bottle, match gas cylinder and pressurized equipment, cooling system includes anti-icing fluid, refrigerator and temperature controller, test macro
It mainly include pressure, temperature, optics, acoustics, electrical detection and camera part, these combustible ice cryogenic high pressure simulation experiment systems
Either testing equipment or experiment process, dedicated for grinding for ocean engineering deep water combustible ice decompression pilot production simulation experiment system
Study carefully less.
Domestic and international several representational combustible ice cryogenic high pressure simulation experiment systems include: Youslf consolidation rock core test
System, Buffett natural porous media pilot system and Wonmo fill out sand tube pilot system.Wherein, Youslf consolidates rock core test
System is that Youslf and Sloan is the test studying the synthesis and decomposition of gas hydrates in Berea Sandstone Cores and designing
Device, Berea Sandstone Cores are fixed in Stainless steel pressure vessels after being wrapped up by thermal contraction rubber tube, with manual first in rubber tube
Alkane gas cylinder directly feeds the high pressure methane gas with uniform pressure inside Sandstone Cores, and sand is compared in the manual hydraulic pump supply of rubber tube external application
The high pressure water of at least high 1.0MPa is as confining pressure inside rock rock core.Buffett natural porous media pilot system is Buffett etc.
The experimental rig of gas hydrates synthesis in artificial research natural porous media and design, the pilot system simulate ocean ring
Border, and use CO2As the generation gas of gas hydrates in natural porous media, distilled among experimental rig water-soluble
Liquid, top are manual CO2The gas thin layer of gas cylinder supply.Wonmo fill out sand tube pilot system is that artificially research is more by South Korea Sung etc.
Gas hydrates synthesis and decompression, heating, the fill out sand tube infusing the various decomposition runs such as chemical agent and designing in the medium of hole
Simulation experiment system, the major part of the pilot system are the back-up sand long tube for devising water bath with thermostatic control, however in its back-up sand long tube
Still high pressure methane gas and manual hydraulic pump supply high pressure water are directly fed using manual methane gas cylinder.
In conclusion current combustible ice cryogenic high pressure simulation experiment system is mostly gas hydrates synthesis and decomposition examination
Experiment device, for studying in container or the phase of porous media gas hydrates, physics, chemical property and gas hydrates
Synthesis and the decomposition runs such as decompression, heating, it is and less for the simulation test device of deep water combustible ice decompression pilot production, while can
The high pressure gas for firing ice cryogenic high pressure simulation experiment system is mostly manual methane gas cylinder or manual CO2Gas cylinder is directly fed, and is not had
There is the special purge system of design, it is difficult to simulate true deep water combustible ice synthesis and decompose environment.
Summary of the invention
In order to effectively solve deep water combustible ice decompression pilot production technical problem and existing combustible ice be overcome to synthesize and exploit simulation
Defect and deficiency existing for experimental rig and its high pressure gas feed system, the object of the present invention is to provide a kind of suitable deep water is flammable
The three-dimensional simulation test high pressure gas feed system and its relevant control process that ice decompression uses.The high pressure gas feed system foundation
The high pressure dry methane of methane feeder and methane supply simulation test control system remote auto supply continuous-stable, and pass through
Nitrogen feeder and nitrogen supply simulation test control system remote auto supply high pressure nitrogen simultaneously purge band pressure-pipe type surge tank
With simulation combustible ice reactor, implement the work flow that combustible ice decompression pilot production Deep-water Sediment simulation produces the supply of liquid high pressure gas.
The technical solution adopted by the present invention to solve the technical problems is to develop a kind of deep water combustible ice decompression pilot production three-dimensional
Simulation test high pressure gas feed system, mainly by methane feeder, nitrogen feeder, methane supply simulation test control system and
Nitrogen supplies simulation test control system composition.The high pressure gas that simulation test is synthesized and exploited compared with existing combustible ice supplies system
System, the methane feeder setting air filter device of the high pressure gas feed system simultaneously pass through defeated methane manifold and simulation combustible ice reactor phase
Even, methane supplies simulation test control system and is equipped with self-contained pressure regulator and intelligent gas orifice flowmeter, and nitrogen supplies
It is equipped with pressure pneumatic control valve and self-contained pressure regulator to simulation test control system, while nitrogen feeder is via with pressure
Tubular type surge tank is linked together with simulation combustible ice reactor.
Self-contained pressure regulator supply stabilization and pressure before methane feeder is filtered according to air filter device and methane on manifold
Continuously adjustable high pressure dry methane, it includes manifold, air filter device and defeated methane manifold before high pressure methane gas tank, methane filter.
High pressure methane gas tank uses packaged type control gas cylinder, and high pressure methane gas, air filter are stored in high pressure methane gas tank
Manifold is connected and via methane escape pipe and defeated methane manifold with high pressure methane gas tank before device is filtered by methane air inlet pipe and methane
It is linked together with the reactor air inlet pipe of simulation combustible ice reactor.
Air filter device is made of air filter shell and filter element, and the air filter shell of air filter device is using in semi-enclosed round casing and its
It is embedded in filter element, the shell wall of air filter shell uses hemispherical shell using cylinder and its shell bottom, sets on the shell wall of air filter shell
There are methane air inlet pipe and methane escape pipe, the axis of methane air inlet pipe and the axis of methane escape pipe are located in same level,
The top end part setting ring flange of air filter shell and the sealing for realizing air filter device.
The filter element of air filter device is equipped with filter body and hooping filter cartridge, and hooping filter cartridge is using cyclic annular clip and is located at filter element
Top, and hooping filter cartridge is linked together by way of circumferential weld with filter body, while the outer ring surface of hooping filter cartridge and air filter shell
Using interference fit between the ring cavity inner wall of body, to realize the axial restraint of filter element.
The construction that the filter body of filter element integrally uses cylinder and cone to combine, the outer ring surface and air filter shell of filter body cylinder
It is gap-matched between the ring cavity inner wall of body, and the bottom face of filter body cylinder is located at methane air inlet pipe and methane outlet simultaneously
The lower part of pipe, the big end disc diameter of the conical surface is equal to the outer ring surface diameter of filter body cylinder where filter body cone.Filter element
Filter body forms one group of equidistant evenly distributed and tortuous runner air screen by welding, and the filter seam of filter element assumes diamond in shape,
Intersect and constitute the baffling slot of filtration high pressure methane gas in the top face Liang Ge of filter element filter seam, and the lower part two of filter element filter seam
Face intersect and constitute the filtered collecting tank of high pressure methane gas, thus tiny droplet entrained by high pressure methane gas and be greater than gas
The impurity of filter core filter seam is shut off by filter body.
The high pressure dry methane supply process of methane feeder is that the high pressure methane gas in high pressure methane gas tank is filtered through methane
Preceding manifold output, and the self-contained pressure regulator on preceding manifold is filtered by methane and adjusts methane supply pressure to simulation test pressure
Power, then high pressure methane gas enters in the air filter shell of air filter device through methane air inlet pipe, and tiny entrained by high pressure methane gas
Droplet and shut off by filter body greater than the impurity of filter element filter seam and form high pressure dry methane, most afterwards through methane escape pipe and
Defeated methane manifold and be that simulate the high pressure that the supply of combustible ice reactor is stable and pressure is continuously adjusted dry by reactor air inlet pipe
Methane.
Nitrogen feeder is according to the pressure pneumatic control valve and self-contained pressure regulator supply stabilization on defeated nitrogen manifold
The high pressure nitrogen being continuously adjusted with pressure, and realize the purging with pressure-pipe type surge tank and simulation combustible ice reactor, it includes
High pressure nitrogen tank and defeated nitrogen manifold.
High pressure nitrogen tank uses packaged type control gas cylinder, and high pressure nitrogen, high pressure nitrogen tank are stored in high pressure nitrogen tank
It rushes canister incoming gas pipe by the way that defeated nitrogen manifold is gentle and is linked together with pressure-pipe type surge tank.
The high pressure nitrogen supply process of nitrogen feeder is that the high pressure nitrogen in high pressure nitrogen tank passes through on defeated nitrogen manifold
Self-contained pressure regulator nitrogen supply pressure is adjusted to high-pressure water pressure, then high pressure nitrogen through defeated nitrogen manifold and by
Surge tank air inlet pipe enters band pressure-pipe type surge tank and implements to purge operation.
Methane supplies simulation test control system and realizes that the simulation of remote auto control Deep-water Sediment produces the dry first of liquid high pressure
Alkane supply work flow simultaneously ensures its flowing safety, it passes through pressure relief valve, self-contained pressure regulator, intelligent gas orifice plate
The supply of flowmeter and data collection system remote auto regulation high pressure dry methane.
Methane supplies in simulation test control system, and defeated methane manifold is equipped with intelligent gas orifice flowmeter, intelligent gas
Body opening flowmeter carries out the compensation of high pressure dry methane pressure and temperature automatically by the way of micro energy lose, and passes through pressure respectively
High pressure dry methane pressure, flow and the temperature signal that power transmitter, flow transmitter and temperature transmitter will real-time monitor
It is sent on data collection system and its integrated flux display instrument together.
Methane supplies in simulation test control system, and manifold is equipped with self-contained pressure regulator, self-operated type before methane is filtered
Pressure-regulating valve adjusts methane supply pressure to simulation test pressure, and provides the high pressure methane that stable and pressure is continuously adjusted
Gas.The exit of high pressure methane gas tank is equipped with pressure relief valve, and pressure relief valve discharges high pressure methane when superpressure operating condition automatically
Gas simultaneously adjusts the pressure in high pressure methane gas tank, ensures high pressure dry methane supply flowing safety.
Methane supplies in simulation test control system, manifold before the methane between the gentle filter of self-contained pressure regulator is filtered
It is equipped with pressure transmitter, the pressure regulation situation of real-time monitoring self-contained pressure regulator, and instantaneous methane is shown by pressure gauge
Supply pressure, while methane supply pressure signal is sent to data collection system according to pressure indicating controller (PIC).
Nitrogen supplies simulation test control system and realizes that the simulation of remote auto control Deep-water Sediment produces liquid high pressure nitrogen and supplies
To work flow and ensure its flowing safety, it by pressure relief valve, self-contained pressure regulator, pressure pneumatic control valve and
The supply of data collection system remote auto regulation high pressure nitrogen.
Nitrogen supplies in simulation test control system, and defeated nitrogen manifold is equipped with self-contained pressure regulator, self-operated type pressure
Force regulating valve adjusts nitrogen supply pressure to high-pressure water pressure, and provides the high pressure nitrogen that stable and pressure is continuously adjusted.It is high
The exit of nitrogen gas tank is pressed to be equipped with pressure relief valve, high pressure nitrogen when pressure relief valve discharges superpressure operating condition automatically simultaneously adjusts height
The pressure in nitrogen gas tank is pressed, ensures high pressure nitrogen supply flowing safety.
Nitrogen supplies in simulation test control system, and defeated nitrogen manifold is equipped with pressure pneumatic control valve, and with pressure-pipe type
The tank skin of surge tank is equipped with pressure transmitter, situation of the real-time monitoring with high-pressure water pressure in pressure-pipe type surge tank, and passes through
High water pressure force signal is sent to data collection system by pressure indicating controller (PIC), while being completed signal according to pneumatic-to-current converter and being turned
It changes and data processing, and then automatically controls pneumatically measuring and regulate and control high pressure nitrogen for pressure pneumatic control valve on defeated nitrogen manifold
Supply amount.
Institute of the invention is attainable to be had the technical effect that, which implements combustible ice and be depressured pilot production Deep-water Sediments
Object simulation produces the work flow of liquid high pressure gas supply, the self-operated type pressure before methane feeder is filtered according to air filter device and methane on manifold
The high pressure dry methane that force regulating valve supply is stable and pressure is continuously adjustable, nitrogen feeder is according to the pressure on defeated nitrogen manifold
Pneumatic control valve and the high pressure nitrogen that self-contained pressure regulator supply is stable and pressure is continuously adjustable, and realize that band pressure-pipe type is slow
It rushes tank and simulates the purging of combustible ice reactor, methane supplies simulation test control system and realizes remote auto control Deep-water Sediments
Object simulation produces liquid high pressure dry methane supply work flow and ensures its flowing safety, and it is real that nitrogen supplies simulation test control system
Existing remote auto control Deep-water Sediment simulation produces liquid high pressure nitrogen supply work flow and ensures its flowing safety.
Detailed description of the invention
The present invention will be further described below with reference to the drawings, but the invention is not limited to following embodiments.
Fig. 1 is the deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system proposed according to the present invention
Typical structure schematic diagram.
Fig. 2 is the structure of the methane feeder in deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system
Schematic diagram.
Fig. 3 is the structure letter of the air filter device in deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system
Figure.
Fig. 4 is the methane supply simulation test in deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system
The pipeline and instrument control figure of control system.
Fig. 5 is the structure of the nitrogen feeder in deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system
Schematic diagram.
Fig. 6 is the nitrogen supply simulation test in deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system
The pipeline and instrument control figure of control system.
Fig. 7 is that the Deep-water Sediment simulation of deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system produces liquid
High pressure gas supplies operation technique flow chart.
1- methane feeder in figure, 2- methane supply simulation test control system, 3- nitrogen feeder, and 4- nitrogen supplies
Simulation test control system is given, 5- simulates combustible ice reactor, 6- band pressure-pipe type surge tank, 7- high pressure methane gas tank, 8-
Manifold before methane is filtered, 9- air filter device, the defeated methane manifold of 10-, 11- reactor air inlet pipe, 12- air filter shell, 13- methane
Air inlet pipe, 14- filter element, 15- methane escape pipe, 16- pressure relief valve, 17- self-contained pressure regulator, 18- pressure
Transmitter, 19- pressure indicating controller (PIC), 20- intelligent gas orifice flowmeter, 21- surge tank air inlet pipe, the defeated nitrogen of 22-
Manifold, 23- high pressure nitrogen tank, 24- pressure pneumatic control valve, 25- pneumatic-to-current converter, 26- data collection system.
Specific embodiment
In Fig. 1, deep water combustible ice is depressured pilot production three-dimensional simulation test high pressure gas feed system mainly by methane feeder
1, methane supply simulation test control system 2, nitrogen feeder 3 and nitrogen supply simulation test control system 4 form, its foundation
The high pressure dry methane of methane feeder 1 and methane supply 2 remote auto of simulation test control system supply continuous-stable, and lead to
It crosses nitrogen feeder 3 and nitrogen supply 4 remote auto of simulation test control system supply high pressure nitrogen and purges simulation combustible ice
Reactor 5 and with pressure-pipe type surge tank 6, thus implements combustible ice decompression pilot production Deep-water Sediment simulation and produces the supply of liquid high pressure gas
Work flow.
In Fig. 1, the methane feeder 1 that deep water combustible ice is depressured pilot production three-dimensional simulation test high pressure gas feed system is arranged
Air filter device is simultaneously linked together by defeated methane manifold and simulation combustible ice reactor 5, and methane supply simulation test control system 2 is set
There are self-contained pressure regulator and intelligent gas orifice flowmeter, and nitrogen supply simulation test control system 4 is equipped with pressure gas
Dynamic control valve and self-contained pressure regulator, while nitrogen feeder 3 is reacted via band pressure-pipe type surge tank 6 with simulation combustible ice
Device 5 is linked together.
In Fig. 1, the problem of liquid supply pressure changes is produced for Deep-water Sediment simulation in simulation combustible ice reactor 5,
It can be by adjusting self-contained pressure regulator and nitrogen supply simulation examination in methane supply simulation test control system 2 simultaneously
The mode for self-contained pressure regulator and the pressure pneumatic control valve tested in control system 4 is solved.
In Fig. 2, the pressure in the high pressure methane gas tank 7 of methane feeder 1 according to methane supply pressure and is simulated flammable
The factors such as the simulation test pressure in ice reactor 5 are chosen, stream of the specification of manifold 8 according to high pressure methane gas before methane is filtered
Amount and stream pressure carry out type selecting, and the specification of defeated methane manifold 10 is then needed according to through the filtered high pressure dry methane of air filter device 9
Flow and stream pressure carry out type selecting.
In Fig. 2, the self-contained pressure regulator before methane feeder 1 is filtered according to air filter device 9 and methane on manifold 8 is mould
The high pressure dry methane that the quasi- supply of combustible ice reactor 5 is stable and pressure is continuously adjustable, air filter device 9 pass through methane air inlet pipe and first
Manifold 8 is connected with high pressure methane gas tank 7 before alkane is filtered, and air filter device 9 can via methane escape pipe and defeated methane manifold 10 and simulation
The reactor air inlet pipe 11 of combustion ice reactor 5 is linked together.
In Fig. 3,12 specification of air filter shell of air filter device 9 is designed according to the flow and stream pressure of high pressure methane gas, gas
The filter body size of filter core 14 and the filter seam size of filter element 14 are taken according to the flow and high pressure methane gas of high pressure methane gas
The factors such as the tiny droplet of band and impurity size are designed, the specification of methane air inlet pipe 13 according to high pressure methane gas flow and
Stream pressure carries out type selecting, and the specification of methane escape pipe 15 is then needed according to the flow through the filtered high pressure dry methane of air filter device 9
It is pressed with stream and carries out type selecting.
In Fig. 3, the air filter shell 12 of air filter device 9 is embedded in filter element 14, while the shell wall of air filter shell 12 is equipped with
Methane air inlet pipe 13 and methane escape pipe 15, the hooping filter cartridge in filter element 14 is by way of circumferential weld and in filter element 14
Filter body is linked together.
In Fig. 2~Fig. 4, the high pressure dry methane supply process of methane feeder 1 is the height in high pressure methane gas tank 7
The sensors such as manifold 8 and pressure transmitter 18 and the valves such as pressure relief valve 16 and ball valve before pressing methane gas to filter followed by methane
Door, and the self-contained pressure regulator 17 on preceding manifold 8 is filtered by methane and adjusts methane supply pressure to simulation test pressure, and
Enter the air filter shell 12 of air filter device 9 through methane air inlet pipe 13 by the high pressure methane gas after 17 pressure regulation of self-contained pressure regulator
It is interior, and in air filter shell 12 tiny droplet entrained by high pressure methane gas and greater than filter element 14 filter seam impurity by air filter
The filter body of core 14 shuts off and forms high pressure dry methane, and the high pressure dry methane most filtered afterwards through air filter device 9 is followed by first
Alkane escape pipe 15 and valves and the flowmeter such as defeated methane manifold 10 and intelligent gas orifice flowmeter 20, ball valve and check-valves,
It and by reactor air inlet pipe 11 is to simulate the high pressure dry methane that the supply of combustible ice reactor 5 is stable and pressure is continuously adjusted.
In Fig. 4, methane is supplied in the pipeline and instrument control method of simulation test control system 2, methane supply simulation
Experiment control system 2 passes through the pressure transmitter (PIT) of intelligent gas orifice flowmeter 20, flow pick-up on defeated methane manifold 10
The pressure for the high pressure dry methane that device (FIT) and temperature transmitter (TIT) real-time monitor intelligent gas orifice flowmeter 20,
Flow and temperature signal are sent to together on data collection system and its integrated flux display instrument (FQI).
In Fig. 4, methane is supplied in the pipeline and instrument control method of simulation test control system 2, methane supply simulation
Self-contained pressure regulator 17 before experiment control system 2 is filtered by methane on manifold 8 adjusts methane supply pressure to simulation
Test pressure, and high pressure methane when release superpressure operating condition automatic according to the pressure relief valve 16 in 7 exit of high pressure methane gas tank
Gas simultaneously adjusts the pressure in high pressure methane gas tank 7.
In Fig. 4, methane is supplied in the pipeline and instrument control method of simulation test control system 2, methane supply simulation
The tune of 18 real-time monitoring self-contained pressure regulator 17 of pressure transmitter before experiment control system 2 is filtered according to methane on manifold 8
Pressure situation, and instantaneous methane supply pressure is shown by pressure gauge (PI), while methane is supplied according to pressure indicating controller (PIC) 19
Data collection system is sent to pressure signal.
In Fig. 5, the pressure in the high pressure nitrogen tank 23 of nitrogen feeder 3 is delayed according to nitrogen supply pressure and with pressure-pipe type
The factors such as the high-pressure water pressure rushed in tank 6 are chosen, at the same defeated nitrogen manifold 22 specification according to high pressure nitrogen flow and
Stream pressure carries out type selecting.
In Fig. 5, nitrogen feeder 3 according on defeated nitrogen manifold 22 pressure pneumatic control valve and Self-operated pressure adjust
Valve 17 is to simulate the high pressure nitrogen that the supply of combustible ice reactor 5 is stable and pressure is continuously adjustable, and realize simulation combustible ice reaction
Device 5 and purging with pressure-pipe type surge tank 6, high pressure nitrogen tank 23 by defeated nitrogen manifold 22 and buffer canister incoming gas pipe 21 with it is with pressure
Tubular type surge tank 6 is linked together.
In fig. 5 and fig., the high pressure nitrogen supply process of nitrogen feeder 3 is the high pressure nitrogen in high pressure nitrogen tank 23
Followed by defeated nitrogen manifold 22 and the valves such as pressure relief valve 16 and ball valve, and by the self-operated type pressure on defeated nitrogen manifold 22
Force regulating valve 17 adjusts nitrogen supply pressure to high-pressure water pressure, and high-pressure water pressure is equal in the tank with pressure-pipe type surge tank 6
Pressure, and after high pressure nitrogen after 17 pressure regulation of self-contained pressure regulator followed by the pressure pneumatic on defeated nitrogen manifold 22
The valves such as control valve 24 and ball valve and surge tank air inlet pipe 21 enter in band pressure-pipe type surge tank 6, and last high pressure nitrogen is successively
Purging operation is implemented to band pressure-pipe type surge tank 6 and simulation combustible ice reactor 5.
In Fig. 6, nitrogen is supplied in the pipeline and instrument control method of simulation test control system 4, nitrogen supply simulation
Experiment control system 4 is adjusted nitrogen supply pressure to high pressure water by the self-contained pressure regulator 17 on defeated nitrogen manifold 22
Pressure, while high pressure nitrogen and tune when release superpressure operating condition automatic according to the pressure relief valve 16 in 23 exit of high pressure nitrogen tank
Pressure in whole high pressure nitrogen tank 23.
In Fig. 6, nitrogen is supplied in the pipeline and instrument control method of simulation test control system 4, nitrogen supply simulation
Experiment control system 4 passes through in the pressure transmitter 18 real-time monitoring band pressure-pipe type surge tank 6 on 6 tank skin of pressure-pipe type surge tank
The situation of high-pressure water pressure, and high water pressure force signal is sent to by data collection system by pressure indicating controller (PIC) 19, together
When according to pneumatic-to-current converter 25 complete signal conversion and data processing, and then automatically control the pressure pneumatic on defeated nitrogen manifold 22
The supply amount for pneumatically measuring and regulating and controlling high pressure nitrogen of control valve 24.
In Fig. 7, deep water combustible ice is depressured the Deep-water Sediment simulation of pilot production three-dimensional simulation test high pressure gas feed system
Produce liquid high pressure gas supply operation technique process be, first the high pressure nitrogen in high pressure nitrogen tank 23 flow through defeated nitrogen manifold 22 and according to
The secondary self-contained pressure regulator 17 by defeated nitrogen manifold 22 carries out the pressure pneumatic control on pressure regulation and defeated nitrogen manifold 22
24 auto-control supply amount of valve processed, then high pressure nitrogen enters in band pressure-pipe type surge tank 6 via surge tank air inlet pipe 21, finally
High pressure nitrogen successively implements purging operation to band pressure-pipe type surge tank 6 and simulation combustible ice reactor 5.Complete blowing for high pressure nitrogen
Self-contained pressure regulator 17 after sweeping operation, before the high pressure methane gas in high pressure methane gas tank 7 is filtered by methane on manifold 8
Pressure regulation is carried out, and is entered in air filter device 9 followed by manifold 8 before methane filter and methane air inlet pipe 13, high pressure methane gas is through air filter
Device 9 forms high pressure dry methane after filtering, and then high pressure dry methane is followed by methane escape pipe 15 and defeated methane manifold 10,
And real time measure is carried out by the intelligent gas orifice flowmeter 20 on defeated methane manifold 10, finally via reactor air inlet pipe 11
High pressure dry methane is supplied for simulation combustible ice reactor 5.
In Fig. 7, deep water combustible ice is depressured the Deep-water Sediment simulation of pilot production three-dimensional simulation test high pressure gas feed system
It produces in liquid high pressure gas supply operation technique process, methane filters the self-contained pressure regulator 17 on preceding manifold 8 for high pressure methane gas
Methane supply pressure adjust to simulation test pressure, and the self-contained pressure regulator 17 on defeated nitrogen manifold 22 is then by high pressure
The nitrogen supply pressure of nitrogen is adjusted to high-pressure water pressure, and 24 auto-control of pressure pneumatic control valve on defeated nitrogen manifold 22
The supply amount of high pressure nitrogen；At the same time, the 18 real-time monitoring Self-operated pressure of pressure transmitter before methane is filtered on manifold 8 is adjusted
The methane supply pressure signal of high pressure methane gas after pressure regulation is simultaneously sent to data collection system 26 by the pressure regulation situation of valve 17, and
Intelligent gas orifice flowmeter 20 on defeated methane manifold 10 is by pressure, flow and the temperature of the high pressure dry methane real-time monitored
Degree signal is sent to data collection system 26 together, while supervising in real time with the pressure transmitter 18 on 6 tank skin of pressure-pipe type surge tank
High water pressure force signal is simultaneously sent to data collection system 26 by high-pressure water pressure situation in measuring tape pressure-pipe type surge tank 6.
The various embodiments described above are merely to illustrate the present invention, wherein connection type and control method and each portion between each system
The structure etc. of part may be changed, and all equivalents carried out based on the technical solution of the present invention and change
Into should not exclude except the scope of the present invention.
Claims (10)
1. high pressure gas feed system is tested in a kind of deep water combustible ice decompression pilot production three-dimensional simulation, it is mainly by methane feeder, nitrogen
Gas feeder, methane supply simulation test control system and nitrogen supply simulation test control system composition, and remote auto supplies
To the high pressure dry methane and high pressure nitrogen of continuous-stable, implements combustible ice decompression pilot production Deep-water Sediment simulation and produce liquid high pressure gas
The work flow of supply, methane feeder setting air filter device are simultaneously connected by defeated methane manifold with simulation combustible ice reactor, nitrogen
Gas feeder is linked together via band pressure-pipe type surge tank and simulation combustible ice reactor, it is characterised in that:
One methane feeder；Self-contained pressure regulator before the methane feeder is filtered according to air filter device and methane on manifold supplies
To the high pressure dry methane that stable and pressure is continuously adjusted, it includes manifold before high pressure methane gas tank, methane are filtered, air filter device and defeated
Methane manifold；Manifold before high pressure methane gas tank uses packaged type control gas cylinder, air filter device to filter by methane air inlet pipe and methane
It is connected with high pressure methane gas tank and via the reactor air inlet of methane escape pipe and defeated methane manifold and simulation combustible ice reactor
Pipe is linked together；Air filter device is made of air filter shell and filter element, and air filter shell uses semi-enclosed round casing and it is embedded in
Filter element, the shell wall of air filter shell are equipped with methane air inlet pipe and methane escape pipe, and filter element is equipped with filter body and hooping filter cartridge,
The hooping filter cartridge of filter element is using cyclic annular clip, the construction that the filter body of filter element integrally uses cylinder and cone to combine, and filters
Core forms one group of equidistant evenly distributed and tortuous runner air screen by welding, and the filter seam of filter element assumes diamond in shape；
One nitrogen feeder；The nitrogen feeder is according to the pressure pneumatic control valve and Self-operated pressure tune on defeated nitrogen manifold
The high pressure nitrogen that valve supply is stable and pressure is continuously adjustable is saved, it includes high pressure nitrogen tank and defeated nitrogen manifold, high pressure nitrogen tank
Using packaged type control gas cylinder；
One methane supplies simulation test control system；The methane supply simulation test control system realizes that remote auto control is deep
Water sediment simulation produce liquid high pressure dry methane supply work flow simultaneously ensure its flowing safety, it by pressure relief valve, from
The confession of power formula pressure-regulating valve, intelligent gas orifice flowmeter and data collection system remote auto regulation high pressure dry methane
High pressure methane gas when giving, and discharging according to pressure relief valve superpressure operating condition automatically simultaneously adjusts the pressure in high pressure methane gas tank；
Defeated methane manifold is equipped with intelligent gas orifice flowmeter, and intelligent gas orifice flowmeter is carried out automatically by the way of micro energy lose
The compensation of high pressure dry methane pressure and temperature, manifold is equipped with self-contained pressure regulator, Self-operated pressure tune before methane is filtered
It saves manifold before the methane between the gentle filter of valve is filtered and is equipped with pressure transmitter；
One nitrogen supplies simulation test control system；The nitrogen supply simulation test control system realizes that remote auto control is deep
Water sediment simulation produces liquid high pressure nitrogen supply work flow and ensures its flowing safety, it passes through pressure relief valve, self-operated type
The supply of pressure-regulating valve, pressure pneumatic control valve and data collection system remote auto regulation high pressure nitrogen, and according to pressure
High pressure nitrogen when relief valve discharges superpressure operating condition automatically simultaneously adjusts the pressure in high pressure nitrogen tank；Defeated nitrogen manifold is equipped with certainly
Power formula pressure-regulating valve, and defeated nitrogen manifold is equipped with pressure pneumatic control valve, the tank skin with pressure-pipe type surge tank is equipped with pressure
Power transmitter.
2. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
Be: the deep water combustible ice decompression pilot production three-dimensional simulation test high pressure gas feed system is supplied according to methane feeder and methane
Simulation test control system remote auto supplies the high pressure dry methane of continuous-stable, and is supplied by nitrogen feeder and nitrogen
Simulation test control system remote auto supply high pressure nitrogen simultaneously purges band pressure-pipe type surge tank and simulation combustible ice reactor；
The methane supply simulation test control system is equipped with self-contained pressure regulator and intelligent gas orifice flowmeter, and nitrogen
Gas supplies simulation test control system and is equipped with pressure pneumatic control valve and self-contained pressure regulator.
3. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
It is: stores high pressure methane gas in the high pressure methane gas tank of the methane feeder, the shell wall of air filter shell uses in air filter device
Cylinder and its shell bottom use hemispherical shell, while the top end part of air filter shell is arranged ring flange and realizes the close of air filter device
Envelope, the axis of methane air inlet pipe and the axis of methane escape pipe are located in same level；
The hooping filter cartridge of the filter element is located at the top of filter element, and hooping filter cartridge is connected by way of circumferential weld with filter body
It is integrated, while using interference fit between the outer ring surface of hooping filter cartridge and the ring cavity inner wall of air filter shell, to realize air filter
The axial restraint of core.
4. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
It is: is gap-matched between the cylinder outer ring surface of the filter body in the filter element and the ring cavity inner wall of air filter shell, and
The bottom face of filter body cylinder is located at the lower part of methane air inlet pipe and methane escape pipe simultaneously, and the conical surface is big where filter body cone
Disc diameter is held to be equal to the outer ring surface diameter of filter body cylinder；Intersect and constitute filtration high pressure in the top face Liang Ge of filter element filter seam
The baffling slot of methane gas, and the lower part face Liang Ge of filter element filter seam intersects and constitutes the filtered collecting tank of high pressure methane gas.
5. deep water combustible ice described according to claim 1 or 3 or 4 is depressured pilot production three-dimensional simulation and tests high pressure gas feed system,
It is characterized by: the high pressure dry methane supply process of the methane feeder is the high pressure methane gas in high pressure methane gas tank
Manifold output before being filtered through methane, and the self-contained pressure regulator on preceding manifold is filtered by methane and adjusts methane supply pressure to mould
Quasi- test pressure, then high pressure methane gas enters in the air filter shell of air filter device through methane air inlet pipe, and high pressure methane gas is taken
The tiny droplet of band and the impurity stitched greater than filter element filter are shut off by filter body and form high pressure dry methane, most afterwards through methane
Escape pipe and defeated methane manifold and be to simulate that the supply of combustible ice reactor is stable and pressure is continuously adjusted by reactor air inlet pipe
High pressure dry methane.
6. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
Be: the nitrogen feeder realizes the purging with pressure-pipe type surge tank and simulation combustible ice reactor, the height of nitrogen feeder
It presses and stores high pressure nitrogen in nitrogen gas tank, and high pressure nitrogen tank passes through the gentle canister incoming gas pipe that rushes of defeated nitrogen manifold and buffers with pressure-pipe type
Tank is linked together；
The high pressure nitrogen supply process of the nitrogen feeder is that the high pressure nitrogen in high pressure nitrogen tank passes through on defeated nitrogen manifold
Self-contained pressure regulator nitrogen supply pressure is adjusted to high-pressure water pressure, then high pressure nitrogen through defeated nitrogen manifold and by
Surge tank air inlet pipe enters band pressure-pipe type surge tank and implements to purge operation.
7. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
Be: in the methane supply simulation test control system, intelligent gas orifice flowmeter passes through pressure transmitter, flow respectively
The high pressure dry methane pressure, flow and the temperature signal that real-time monitor are sent to data by transmitter and temperature transmitter together
In acquisition system and its integrated flux display instrument；
In the methane supply simulation test control system, the exit of high pressure methane gas tank is equipped with pressure relief valve, ensures high
Press dry methane supply flowing safety.
8. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
Be: in the methane supply simulation test control system, the self-contained pressure regulator before methane is filtered on manifold supplies methane
It adjusts to pressure to simulation test pressure, and the high pressure methane gas that stable and pressure is continuously adjusted is provided；
In the methane supply simulation test control system, the pressure transmitter real-time monitoring self-operated type pressure before methane is filtered on manifold
The pressure regulation situation of force regulating valve, and instantaneous methane supply pressure is shown by pressure gauge, while will according to pressure indicating controller (PIC)
Methane supply pressure signal is sent to data collection system.
9. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
Be: in the nitrogen supply simulation test control system, the self-contained pressure regulator on defeated nitrogen manifold supplies nitrogen
Pressure is adjusted to high-pressure water pressure, and provides the high pressure nitrogen that stable and pressure is continuously adjusted；
In the nitrogen supply simulation test control system, the exit of high pressure nitrogen tank is equipped with pressure relief valve, ensures high pressure
Nitrogen supply flowing safety.
10. high pressure gas feed system, feature are tested in deep water combustible ice decompression pilot production three-dimensional simulation according to claim 1
It is: in the nitrogen supply simulation test control system, with the pressure transmitter real-time monitoring on pressure-pipe type surge tank tank skin
Situation with high-pressure water pressure in pressure-pipe type surge tank, and high water pressure force signal is sent to by number by pressure indicating controller (PIC)
Signal conversion and data processing are completed according to acquisition system, while according to pneumatic-to-current converter, and then is automatically controlled on defeated nitrogen manifold
Pressure pneumatic control valve pneumatically measure and regulate and control the supply amount of high pressure nitrogen.
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| NL2024676A (en) * | 2019-04-18 | 2020-10-22 | Univ Qingdao Technology | Automatic Supply System For Gas-Liquid-Solid Three-Phase Separation Characteristic Test |
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