CN205483445U - Measuring device suitable for carbon dioxide pipeline emptys and leak testing - Google Patents

Measuring device suitable for carbon dioxide pipeline emptys and leak testing Download PDF

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Publication number
CN205483445U
CN205483445U CN201620048878.7U CN201620048878U CN205483445U CN 205483445 U CN205483445 U CN 205483445U CN 201620048878 U CN201620048878 U CN 201620048878U CN 205483445 U CN205483445 U CN 205483445U
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CN
China
Prior art keywords
main pipeline
carbon dioxide
pipeline
emptying
testing
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Expired - Fee Related
Application number
CN201620048878.7U
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Chinese (zh)
Inventor
梁海宁
刘建武
陈霖
李安坤
范振宁
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Sinopec Petroleum Engineering Corp
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Sinopec Petroleum Engineering Corp
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Priority to CN201620048878.7U priority Critical patent/CN205483445U/en
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Publication of CN205483445U publication Critical patent/CN205483445U/en
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Abstract

The utility model discloses a measuring device suitable for carbon dioxide pipeline emptys and leak testing. Measuring device includes the trunk line, the carbon dioxide gas bottle is connected to the one end of trunk line, and the other end is connected the rupture disk or is used the shutoff of flange piece, the trunk line still is connected with emptying pipeline in being close to this rupture disk or flange piece department, the trunk line with emptying pipeline's inside is provided with a plurality of temperature sensor, the trunk line with be connected with a plurality of pressure sensor on emptying pipeline's the pipe wall. According to above -mentioned device, can record and empty and rupture disk blasting in -process trunk line and emptying pipeline pressure temperature change rule to set up reasonable unloading mode and carry out the pipeline and rationally select suitable material.

Description

It is applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing
Technical field
This utility model relates to a kind of measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing, it utilizes vortex-shedding meter to measure the flow of carbon dioxide, utilize electric heater that main pipeline is heated simultaneously, reach experimental pressure and temperature, use exhausting pipeline and rupture disk to carry out emptying and leakage measuring instrumentation process simultaneously.
Background technology
Along with carbon traps, utilizes, seals up for safekeeping the development of (being called for short CCUS), the developed country with European Union, the U.S. etc. as representative has carried out a large amount of CCUS demonstrative project, and has provided with funds for project.In recent years, China also begins to support that exploitation and the popularization of CCUS, China are that the world has one of most country of CCUS pilot project energetically.China " 12 " planning clear stipulaties, unit GDP discharge carbon dioxide declined 17% than 2005, and the energy resource structure that China is based on coal will make China be faced with powerful carbon emission reduction pressure.Coming few decades, after international Policies on Climate is gradually clear, once CCUS technology starts large-scale application, and in carbon dioxide transports, the pipeline transportation as major way can use on a large scale, it will forms the biggest application market.The major issue faced thereupon is exactly the safe handling problem of carbon dioxide conduit transport, it is likely to result in main pipeline after carbon dioxide conduit emptying and leakage and exhausting pipeline temperature drastically reduces, thus affect pipe material selecting, additionally, due to carbon dioxide in temperature-fall period it may happen that phase transformation, concurrently form dry ice, pipeline is caused frozen block, additionally, there is no suitable software for calculation at present, therefore carbon dioxide conduit emptying and leakage study are to need badly to solve the technical problem that.
Utility model content
For problems of the prior art, this utility model is in order in measuring main pipeline and exhausting pipeline pressure, temperature variation in emptying and leakage process, there is provided a kind of and be applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing, there is provided important technology support for carbon dioxide conduit safe operation, there is good application prospect.
This utility model provides a kind of and is applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing, including main pipeline, one end of described main pipeline connects dioxide bottle, the other end connects rupture disk or uses flange plate closure, described main pipeline is in being also associated with exhausting pipeline at this rupture disk or flange plate, described main pipeline and described exhausting pipeline be internally provided with multiple temperature sensor, the tube wall of described main pipeline and described exhausting pipeline connects multiple pressure transducer.
One end of described main pipeline is also associated with pressure regulator valve by air inlet ball valve connection between dioxide bottle, and described air inlet ball valve and main pipeline, be also associated with effusion meter between described pressure regulator valve and air inlet ball valve.
Connect on described exhausting pipeline and have emptying ball valve and throttling stop valve.
It is wound with electric heater outside described main pipeline.
Temperature sensor and pressure transducer it is also equipped with between described pressure regulator valve and described main pipeline.
Described temperature sensor and pressure transducer connect computer control system, and described computer control system includes interconnective programmable logic controller and host computer, and described programmable logic controller connects described temperature sensor and pressure transducer.
Described temperature sensor is installed on outside protective case, and described outside protective case horizontally extends into the inside of main pipeline or exhausting pipeline.
This utility model has advantages in that
What this utility model provided is applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing, flow by vortex-shedding meter metering carbon dioxide, with electric heater, main pipeline is heated simultaneously, reach experimental pressure and temperature, solve carbon dioxide conduit and realize different phase (gas phase, liquid phase, a supercritical) difficult problem.Use exhausting pipeline and rupture disk to carry out emptying and leakage experiment process simultaneously, during emptying and leakage experiment, realize all of pressure, temperature, the collection of data on flows, control, show and store.This device realizes different bores by rupture disk with the flange plate in band aperture and leaks, simple to operate the most safe and reliable, security control difficult problem when solving high-pressure leakage.
Accompanying drawing explanation
The structural representation of the measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing that Fig. 1 provides for this utility model example.
Fig. 2 is the schematic cross-section of main pipeline in this utility model.
In figure: 1-main pipeline;2-dioxide bottle;3-air inlet ball valve;4-vortex-shedding meter;5-pressure regulator valve;6-exhausting pipeline;7-throttling stop valve;8-is vented ball valve;9-temperature sensor;10-pressure transducer.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
This utility model provides a kind of and is applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing, carry out pressure, temperature test in carbon dioxide conduit emptying and leakage process, as shown in Figure 1 and Figure 2, including main pipeline 1, vortex-shedding meter 4, multiple temperature sensor 9, multiple pressure transducer 10, pressure regulator valve 5, air inlet ball valve 3, emptying ball valve 8, throttling stop valve 7, exhausting pipeline 6 and rupture disk etc..
One end of described main pipeline 1 connects dioxide bottle 2 by air inlet ball valve 3, in order to is passed through in main pipeline 1 between carbon dioxide, and described air inlet ball valve 3 and main pipeline 1 and is also associated with pressure regulator valve 5, it is simple to the pressure of carbon dioxide in regulation main pipeline 1.It is also associated with vortex-shedding meter 4, it is simple in reading main pipeline 1, carbon dioxide is passed through flow between described pressure regulator valve 5 and air inlet ball valve 3.The other end of described main pipeline 1 connects rupture disk or uses flange plate closure, and when carrying out emptying and measuring, this end of main pipeline 1 can use flange plate (blind flange sheet) to block;When carrying out revealing measurement, this end of described main pipeline 1 connects rupture disk to carry out revealing experiment, realizes explosion when the carbon dioxide reached in main pipeline 1 reaches certain pressure.Described main pipeline 1 is in being also associated with exhausting pipeline 6 at the rupture disk or flange plate of this another end, connect on this exhausting pipeline 6 and have emptying ball valve 8 and throttling stop valve 7, open this emptying ball valve 8 and throttling stop valve 7, cause this exhausting pipeline 6 open, then the carbon dioxide in main pipeline 1 can be discharged by this exhausting pipeline 6.
Described main pipeline 1 is outside is wound with electric heater, it is simple to heating main pipeline 1, this electric heater can select resistance wire.
The multiple temperature sensors 9 being internally provided with measurement main pipeline 1 internal air temperature of described main pipeline 1, the tube wall of described main pipeline 1 connect and have the multiple pressure transducers 10 measuring main pipeline 1 internal gas pressure.The plurality of temperature sensor 9 uniform intervals is arranged, and the plurality of pressure transducer 10 also uniform intervals is arranged.The plurality of temperature sensor 9 and multiple pressure transducer 10 connect computer control system.Described temperature sensor 9 needs supporting installation outside protective case, horizontally extends into main pipeline 1 by described outside protective case internal, and is in the position radius of main pipeline 1 (the described r be) of the 1/3r of distance main pipeline 1 central axis.Use between described outside protective case with main pipeline 1 and weld or Flange joint, and be threaded connection between described temperature sensor 9 and outside protective case, the detecting element of temperature sensor 9 is placed in the position of end in outside protective case.Outer jointing jacket casing pack transformer oil is beneficial to temperature conduction.Described pressure transducer 10 needs perforate on main pipeline 1 when mounted, arranges pressure transducer 10 by this hole, and needs to install in the position of perforate root stop valve and gauge valve, then installs pressure transducer 10.
In axial direction position difference then pressure difference in described main pipeline 1.Being in identical axial location, tube wall one week along main pipeline 1, different radial position pressure is almost without difference, and therefore pressure transducer 10 needs only be along the axial direction interval of main pipeline 1 and arranges multiple.And temperature except position vertically difference and in addition to temperature difference, when being in identical axial location, different radial position temperature the most difference, and it is relatively big to be in above and below within main pipeline 1 temperature difference, and to be in temperature difference in equal height less left side and right side.To sum up, in this utility model, as shown in Figure 2, at main pipeline 1 same axial position, along main pipeline 1 is internal, multiple temperature sensor 9 is set respectively at different radial positions, specifically can be preferably in being respectively provided with temperature sensor 9 along the top within main pipeline 1, lower section and right side, and pressure transducer 10 is set in the left side of tube wall.The plurality of temperature sensor 9 and multiple pressure transducer 10 connect computer control system, upload the data to computer control system, it is achieved the display of data, control, store, warning function.
Computer control system is by PLC(programmable logic controller) and host computer (active station) form, PLC(programmable logic controller) be responsible for data acquisition and regulation controls, and host computer be responsible for flow monitoring show, signal off-limit alarm and data storage etc..Described programmable logic controller connects described temperature sensor and pressure transducer.
Multiple temperature sensor 9 and pressure transducer 10 it is also equipped with on described exhausting pipeline 6, its set-up mode is identical with above-mentioned main pipeline 1 upper type, in the top within exhausting pipeline 6, lower section and right side, temperature sensor 9 is set, and pressure transducer 10 is set in the left side of tube wall, specifically, three groups are designed on this exhausting pipeline 6, it is respectively and arranges one group between throttling stop valve 7 and emptying ball valve 8, between emptying ball valve 8 and main pipeline 1, design one group, arrange one group again in throttling stop valve 7 to exhausting pipeline 6 end.
Being also equipped with temperature sensor 9 and pressure transducer 10 between described pressure regulator valve 5 and described main pipeline 1, it arranges one group, and set-up mode is identical with aforesaid way.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing utilizing this utility model to provide measures carbon dioxide conduit emptying test, and its method of testing comprises the following steps:
(S1): the integrity of pretest inspection measurement apparatus, debugging computer control system, including temperature, pressure signal transmission, signals collecting and be automatically adjusted, data show and operate;Close all valves, main pipeline end flange plate is blocked;
(S2) after ready, dioxide bottle is connected with air inlet ball valve, open air inlet ball valve, pressure regulator valve successively, open the venting ball valve and throttling stop valve connected above exhausting pipeline simultaneously, main pipeline and exhausting pipeline are emptied by injecting carbon dioxide, through after a period of time, close venting ball valve and throttling stop valve.
(S3) amount of the required carbon dioxide of experiment is filled, if carbon dioxide gas bottle pressure is higher than experimental pressure, (experimental pressure is generally 2-8MPa, pressure after dioxide bottle is full of is generally 7-8MPa), then utilize pressure regulator valve pressure regulation, if less than experimental pressure, then standard-sized sheet pressure regulator valve, cuts out air inlet ball valve after filling;
(S4) open electric heater design temperature, generally greater than ambient temperature, for 10-50 DEG C, main pipeline is heated, be heated to temperature required;
(S5) ready to balance such as standing, makes temperature and pressure all reach to test required temperature and pressure, it is achieved balance;
(S6) open emptying ball valve and the choke stop evacuation valve of exhausting pipeline, start experiment and gather all data;
(S7) after experiment, control system of shutting down computer, simultaneously close off emptying pipeline section ball valve and choke stop evacuation valve, emptying experiment terminates.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing utilizing this utility model to provide measures carbon dioxide conduit and reveals test, and its method of testing comprises the following steps:
(S1) pretest inspection device integrity, debugging computer control system;Closing all valves, the end in main pipeline installs rupture disk under experimental pressure, and also needs to arrange aperture flange in rupture disk rear end;
(S2) after ready, dioxide bottle is connected with air inlet ball valve, open air inlet ball valve and pressure regulator valve successively, open emptying ball valve and the throttling stop valve of exhausting pipeline simultaneously, main pipeline and exhausting pipeline are emptied by injecting carbon dioxide, through after a period of time, close emptying ball valve and throttling stop valve.
(S3) amount of the required carbon dioxide of experiment is filled, if carbon dioxide gas bottle pressure is higher than experimental pressure, (experimental pressure is generally 3-10MPa, pressure after dioxide bottle is full of is generally 7-8MPa), then use pressure regulator valve pressure regulation, if less than experimental pressure, then standard-sized sheet pressure regulator valve, cuts out main pipeline air inlet ball valve after filling;
(S4) open electric heater design temperature, main pipeline is heated, be heated to distance design temperature 3-5 DEG C, during distance experimental pressure 0.2-0.5MPa, the ready to balance such as stopping is heated, standing, after a period of time, continue to be heated to experimental temperature;
(S5) after reaching experimental pressure and temperature, rupture disk explosion, start leakage experiment and gather all data;
(S6), after experiment, control system of shutting down computer, leakage experiment terminates.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims (7)

1. one kind is applicable to carbon dioxide conduit emptying and the measurement apparatus of leak-testing, it is characterized in that, including main pipeline, one end of described main pipeline connects dioxide bottle, the other end connects rupture disk or uses flange plate closure, described main pipeline is also associated with multiple temperature sensor that is internally provided with of exhausting pipeline, described main pipeline and described exhausting pipeline at this rupture disk close or flange plate, the tube wall of described main pipeline and described exhausting pipeline connects and has multiple pressure transducer.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 1, it is characterized in that, one end of described main pipeline connects dioxide bottle by air inlet ball valve, and it is also associated with pressure regulator valve between described air inlet ball valve and main pipeline, it is also associated with effusion meter between described pressure regulator valve and air inlet ball valve.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 1, it is characterised in that connect on described exhausting pipeline and have emptying ball valve and throttling stop valve.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 1, it is characterised in that be wound with electric heater outside described main pipeline.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 2, it is characterised in that be also equipped with temperature sensor and pressure transducer between described pressure regulator valve and described main pipeline.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 1, it is characterized in that, described temperature sensor and pressure transducer connect computer control system, described computer control system includes interconnective programmable logic controller and host computer, and described programmable logic controller connects described temperature sensor and pressure transducer.
The measurement apparatus being applicable to carbon dioxide conduit emptying and leak-testing the most according to claim 1, it is characterised in that described temperature sensor is installed on outside protective case, and described outside protective case horizontally extends into the inside of main pipeline or exhausting pipeline.
CN201620048878.7U 2016-01-19 2016-01-19 Measuring device suitable for carbon dioxide pipeline emptys and leak testing Expired - Fee Related CN205483445U (en)

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CN201620048878.7U CN205483445U (en) 2016-01-19 2016-01-19 Measuring device suitable for carbon dioxide pipeline emptys and leak testing

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Application Number Priority Date Filing Date Title
CN201620048878.7U CN205483445U (en) 2016-01-19 2016-01-19 Measuring device suitable for carbon dioxide pipeline emptys and leak testing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699023A (en) * 2016-01-19 2016-06-22 中石化石油工程设计有限公司 Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699023A (en) * 2016-01-19 2016-06-22 中石化石油工程设计有限公司 Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test
CN105699023B (en) * 2016-01-19 2018-11-13 中石化石油工程设计有限公司 Measuring device and measurement method suitable for carbon dioxide conduit emptying and leak-testing

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

Termination date: 20200119

CF01 Termination of patent right due to non-payment of annual fee