CN209416733U - A kind of evaluating apparatus of gas pipeline flow assurance - Google Patents
A kind of evaluating apparatus of gas pipeline flow assurance Download PDFInfo
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- CN209416733U CN209416733U CN201822049259.1U CN201822049259U CN209416733U CN 209416733 U CN209416733 U CN 209416733U CN 201822049259 U CN201822049259 U CN 201822049259U CN 209416733 U CN209416733 U CN 209416733U
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Abstract
The utility model discloses a kind of evaluating apparatus of gas pipeline flow assurance, including temperature-controlling module, the temperature-controlling module includes thermal field tank, coil pipe is provided in the thermal field tank, the coil pipe upper end is connected to knockout drum, the coil pipe lower end is connected to the air inlet section of gas recirculation assembly, the knockout drum is connected to the return-air section of gas recirculation assembly, the knockout drum is also connected to natural gas fill assembly, component water and additive fill assembly, includes wide range injection channel and micro-range air supply passage in the natural gas fill assembly.The micro-range tonifying Qi during the injection and test of natural gas is realized in the utility model by wide range injection channel, micro-range air supply passage, the independent injection guarantee test precision of component water and additive is realized by component water injection channel and additive injection channel, the circulation in evacuation and test before test is realized by gas recirculation assembly, and pressure maintaining and emptying are realized by backpressure regulation component.
Description
Technical field
The utility model belongs to oil and gas exploitation and pipeline field, and in particular to a kind of gas pipeline flowing guarantor
The evaluating apparatus of barrier.
Background technique
Gas hydrates are also known as " combustible ice ".Gas hydrates are white crystalline solid, are in certain temperature, pressure
Under the conditions of, what the hydrocarbon molecule in natural gas was formed in conjunction with free water therein, wherein hydrone forms a kind of band by hydrogen bond
There is the crystal lattice body in large and small hole, these holes are filled by small gas molecule.Currently, gas hydrates are to oil field
Exploitation has a large amount of influence and harm, is badly in need of a kind of evaluating apparatus for gas pipeline flow assurance, and it is existing to improve development
Field evaluation equipment, there is energy conservation, safety and environmentally friendly hidden danger in existing field evaluation equipment, and can not carry out real simulation.
Summary of the invention
The utility model proposes in order to solve the problems existing in the prior art, more scientific effectively the purpose is to provide one kind
Carry out situ hydrated object formation condition and additive evaluation, research, screening inhibitor is carried out according to each region gas component, is had
The gas pipeline flow assurance of the harm of natural gas extraction caused by effect prevents hydrate from generating, the defeated and production of hydrocarbons of collection and storage and transportation
Evaluating apparatus.
The technical solution of the utility model is:
A kind of evaluating apparatus of gas pipeline flow assurance, comprising:
Temperature-controlling module, the temperature-controlling module include thermal field tank, are equipped with coil pipe in the thermal field tank, institute
One section of the centre pipeline section for stating coil pipe leans out the setting of thermal field tank, observation window is provided on pipeline section in leaning out for the coil pipe, described
It is provided with observation video camera on observation window, is connected with knockout drum at the top of the coil pipe, with the gas-liquid separation
The outlet of the outlet connection of tank and the inlet tube connecting with the import of coil pipe stretch out thermal field tank respectively and are arranged, and outlet
Outlet and the import of inlet tube are above coil pipe itself；It is connected with branch pipe in the bottom of the coil pipe, the branch pipe is stretched
Thermal field tank is arranged out, is equipped with shut-off valve on the branch pipe for stretching out the setting of thermal field tank, and measurement temperature is provided on the thermal field tank
The thermal field temperature sensor of temperature in the tank of field, the inlet and outlet point of the refrigeration unit of the cavity and adjusting temperature of the thermal field tank
It is not connected by connecting pipe；
Natural gas fill assembly, the natural gas fill assembly include that wide range injection channel and micro-range in parallel are mended
Gas channel, wide range injection channel, micro-range air supply passage one end after parallel connection are connected with injection shut-off valve, pressure-regulating valve,
Wide range injection channel, the micro-range air supply passage other end after parallel connection are connected with injection check valve, and the injection check valve is logical
Piping is connected with the outlet of outlet, and the wide range injection channel includes concatenated wide range pneumatic operated valve, wide range gas
Flowmeter；The micro-range air supply passage includes micro-range pneumatic operated valve, micro-range gas flowmeter；
Component water and additive fill assembly, the component water and additive fill assembly include mutually independent component
Water injection channel and additive injection channel, component water injection channel include the component water metering pump being sequentially connected in series, first
Pressure sensor, component water shut-off valve and component water one-way valve, the additive injection channel include the additive being sequentially connected in series
Metering pump, second pressure sensor, additive shut-off valve, additive check valve, the component water one-way valve, additive check valve
It is connected by pipeline with the outlet of outlet；
Gas recirculation assembly, the gas recirculation assembly are successively coupled by closed cycle circuit with circulation and suction
The outlet of the gas circulator of function, No. IV shut-off valve, No. II shut-off valve, gas flowmeter, No. I pressure sensor, No. I temperature
Sensor, the import of inlet tube, the outlet of outlet, No. II temperature sensor, No. II pressure sensor, No. I shut-off valve and
The entrance of gas circulator；
Be equipped with first bypass branch of No. III shut-off valve one end and No. II between shut-off valve and gas flowmeter
The gentle body circulation pump intake of the other end of closed cycle circuit communication and the first bypass branch is connected；
The one end and gas circulator outlet for being equipped with the second bypass branch of No. II pneumatic operated valve and differential pressure pick-up connect
The logical and closed cycle circuit phase between the other end of the second bypass branch and No. I shut-off valve and No. II pressure sensor
Even, the differential pressure pick-up is in parallel with No. I pneumatic operated valve；
Backpressure regulation component, the backpressure regulation component includes pressure maintaining channel parallel with one another and empties channel, described
Pressure maintaining channel includes concatenated counterbalance valve, No. I back pressure shut-off valve, and the emptying channel includes No. II back pressure shut-off valve, and pressure maintaining is logical
Closed cycle circuit communication and another between road and one end and No. II pressure sensor and No. I shut-off valve for emptying channel
End can be connected to atmosphere；
It is DATA REASONING and acquisition component, the DATA REASONING and acquisition component and thermal field temperature sensor, video camera, big
Range pneumatic operated valve, micro-range pneumatic operated valve, wide range gas flowmeter, micro-range gas flowmeter, No. I pressure sensor, No. I temperature
Spend sensor, No. II temperature sensor, No. II pressure sensor, No. I pneumatic operated valve, No. II pneumatic operated valve, differential pressure pick-up, gas stream
Meter, first pressure sensor, second pressure sensor and gas circulator are connected by control line respectively.
The beneficial effects of the utility model are as follows:
The coil pipe latus rectum and length for participating in circulation in the utility model in thermal field tank, according to the site transport pipeline principle of similitude
Design；Volume is demarcated by coil pipe, the practical water content of live pipeline is injected into component water by equal proportion；Component and additive injection
In coil pipe.
The entrance of thermal field tank inner coil pipe is higher than coil pipe itself in the utility model, prevents liquid from flowing into gas pipeline.
Gas circulator uses dry type screw pump in the utility model, has circulation or pumping function, and evaluation experimental advances
Row extracts vacuum, more energy saving, safety and environmental protection.
Without any medium in the utility model dry type screw pump working chamber, the ortho states gas of cleaning circulation or suction can get
The characteristics of, the defect that other field evaluation devices use gas fluid mixture pump lubricating oil lipid pollution medium is overcome, to cause
Evaluation distortion phenomenon.
Coil pipe top is equipped with knockout drum in the utility model, and system circulation is carried out using gas list medium, natural gas
It is mixed in coil pipe with component water, it more can real simulation field pipes conveying natural gas characteristic；Compared with other field evaluations
Device is more scientific rationally using gas fluid mixture pump, and gas fluid mixture pump is limited with air content, and air content height cannot be for a long time
Operation, the hydrate slurry of generation stir fluidised form by mixing pump and change, experimental evaluation less effective.
Gas flowmeter is equipped in the closed cycle circuit of the utility model, pipeline instantaneous flow rate signal is fed back for adjusting
Revolution speed and pipe flow speed are recycled, it can be according to field pipes natural gas flow rate set；Improve gas/liquid two phase flow in gas-liquid delivery
Amount is difficult to the defect measured.
The injection and examination of natural gas are realized in the utility model by wide range injection channel, micro-range air supply passage
Micro-range tonifying Qi during testing.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the evaluating apparatus of gas pipeline flow assurance of the utility model；
Wherein:
1 temperature-controlling module, 2 natural gas fill assembly
4 backpressure regulation component of 3 component water and additive fill assembly
5 gas recirculation assembly, 6 DATA REASONING and acquisition unit
101 refrigeration unit, 102 thermal field tank
103 coil pipe, 104 knockout drum
105 observation window, 106 video camera
107 thermal field temperature sensor, 108 shut-off valve
201 injection 202 pressure-regulating valves of shut-off valve
203 wide range pneumatic operated valve, 204 wide range gas flowmeter
205 micro-range pneumatic operated valve, 206 micro-range gas flowmeter
207 injection check valves
301 component water metering pump, 302 component water shut-off valve
303 component water one-way valve, 304 additive metering pump
305 additive shut-off valve, 306 additive check valve
The 401 back pressure shut-off valves of counterbalance valve 402 I
403 No. II back pressure shut-off valves
501 shut-off valves of gas circulator 502 I
503 No. II shut-off valve, 504 No. III shut-off valves
505 No. IV 506 gas flowmeters of shut-off valve
507 No. I pressure sensors, 508 No. I temperature sensors
509 No. II temperature sensors, 510 No. II pressure sensors
511 pneumatic operated valves of differential pressure pick-up 512 I
513 No. II pneumatic operated valves.
Specific embodiment
Hereinafter, the utility model is described in detail referring to drawings and examples:
As shown in Figure 1, a kind of evaluating apparatus of gas pipeline flow assurance, comprising:
Temperature-controlling module 1, the temperature-controlling module 1 include thermal field tank 102, are installed in the thermal field tank 102
There is coil pipe 103, one section of the centre pipeline section of the coil pipe 103 leans out the setting of thermal field tank 102, leans out pipeline section in the coil pipe 103
On be provided with observation window 105, be provided with observation video camera 106 on the observation window 105.At 103 top of coil pipe
Be connected with knockout drum 104, with the outlet of the outlet connection of the knockout drum 104 and with coil pipe 103 into
The inlet tube of mouth connection stretches out the setting of thermal field tank 102 respectively, and the outlet of outlet and the import of inlet tube are above coil pipe
Itself, prevents liquid from flowing into gas pipeline.It is connected with branch pipe in the bottom of the coil pipe, the branch pipe stretches out thermal field tank
102 settings, are equipped with shut-off valve 108 on stretching out the branch pipe that thermal field tank 102 is arranged, are provided with survey on the thermal field tank 102
Measure the thermal field temperature sensor 107 of temperature in thermal field tank 102, the cavity of the thermal field tank 102 and the refrigeration for adjusting temperature
The inlet and outlet of unit 101 are connected by connecting pipe respectively.
Natural gas fill assembly 2, the natural gas fill assembly 2 include wide range injection channel and micro-range in parallel
Air supply passage, wide range injection channel, micro-range air supply passage one end and injection shut-off valve 201, pressure-regulating valve after parallel connection
202 are connected, and the wide range injection channel, the micro-range air supply passage other end after parallel connection are connected with injection check valve 207, the note
Enter check valve 207 to be connected by pipeline with the outlet of outlet.The wide range injection channel includes that concatenated wide range is pneumatic
Valve 203, wide range gas flowmeter 204；The micro-range air supply passage includes micro-range pneumatic operated valve 205, micro-range gas stream
Meter 206.
Component water and additive fill assembly 3, the component water and additive fill assembly 3 include mutually independent group
The injection channel Fen Shui and additive injection channel.Component water injection channel include the component water metering pump 301 being sequentially connected in series,
First pressure sensor, component water shut-off valve 302 and component water one-way valve 303, the additive injection channel include successively going here and there
Additive metering pump 304, second pressure sensor, additive shut-off valve 305, the additive check valve 306 of connection, the component water
Check valve 303, additive check valve 306 are connected by pipeline with the outlet of outlet.
Gas recirculation assembly 5, the gas recirculation assembly 5 are successively coupled with circulation and are taken out by closed cycle circuit
Inhale outlet, 506, No. I 505, No. II shut-off valves 503 of No. IV shut-off valve, gas flowmeter pressure of the gas circulator 501 of function
507, No. I temperature sensors 508 of sensor, the import of inlet tube, the outlet of outlet, No. II temperature sensor 509, II pressures
The entrance of 510, No. I shut-off valves 502 of force snesor and gas circulator 501.
One end and No. II shut-off valve 503 and the gas flowmeter of first bypass branch of No. III shut-off valve 504 are installed
The other end of closed cycle circuit communication and the first bypass branch between 506 is connected with 501 entrance of gas circulator；
One end and the gas circulator of second bypass branch of No. II pneumatic operated valve 513 and differential pressure pick-up 511 are installed
Between 501 outlets and the other end of the second bypass branch and No. I shut-off valve 502 and No. II pressure sensor 510
Closed cycle circuit is connected, and the differential pressure pick-up 511 is in parallel with No. I pneumatic operated valve 512.
Backpressure regulation component 4, the backpressure regulation component 4 include pressure maintaining channel and emptying channel parallel with one another, institute
Stating pressure maintaining channel includes 401, No. I back pressure shut-off valves 402 of concatenated counterbalance valve, and the emptying channel includes No. II back pressure shut-off valve
403.Closed cycle between pressure maintaining channel and one end and No. II pressure sensor 510 and No. I shut-off valve 502 for emptying channel
The circuit communication and other end can be connected to atmosphere.
DATA REASONING and acquisition component 6, the DATA REASONING and acquisition component 6 and thermal field temperature sensor 107, camera shooting
Machine 106, wide range pneumatic operated valve 203, micro-range pneumatic operated valve 205, wide range gas flowmeter 204, micro-range gas flowmeter
206, No. I pressure sensor 510, I of temperature sensor 509, II of temperature sensor 508, II of pressure sensor 507, I
512, No. II pneumatic operated valves 513 of pneumatic operated valve, differential pressure pick-up 511, gas flowmeter 506, first pressure sensor, second pressure pass
Sensor and gas circulator 501 are connected by control line respectively.
The DATA REASONING and acquisition component 6 is commercially available measurement acquisition device, DATA REASONING and acquisition component 6 for existing
The control of execution component during the test of field, pressure, temperature, the monitoring of picture signal real time data, acquisition, store pressure difference.
Acquisition measures feedback control
The temperature letter of coolant liquid in the thermal field tank 102 that thermal field temperature sensor 107 exports in temperature collection control assembly 1
Number, and thermal field temperature is controlled to 101 output gap switch control signal of refrigeration unit；Acquisition and preservation 106 image of video camera.
Acquire the gaseous mass signal passed through, micro that wide range gas flowmeter 204 exports in natural gas fill assembly 2
The gaseous mass signal passed through that journey gas flowmeter 206 exports, it is defeated to wide range pneumatic operated valve 203 and micro-range pneumatic operated valve 205
Switch control signal out.
Acquire gas in the 103 inlet pipeline of coil pipe that No. I pressure sensor 507 exports in simultaneously processing gas recirculation assembly 5
The temperature signal for the 103 inlet gas in pipelines of coil pipe that the pressure signal of body, No. I temperature sensor 508 export, No. II temperature
The coil pipe that the pressure signal for the 103 exit gas in pipelines of coil pipe that sensor 509 exports, No. II pressure sensor 510 export
The 501 exit and entrance gas of gas circulator that temperature signal, the differential pressure pick-up 511 of 103 exit gas in pipelines export
Pressure difference signal and the 501 exit pipeline of gas circulator that exports of gas flowmeter 506 in the gaseous mass signal that passes through.
The pressure signal and second pressure for acquiring 301 exit of component water metering pump of first pressure sensor output pass
The pressure signal in 304 exit of additive metering pump of sensor signal output.
A indicates that pneumatic operated valve, P indicate that pressure sensor, T indicate that temperature sensor, Q indicate flowmeter in figure.
Using the work course of the present apparatus is as follows: refrigeration unit 101 provide cold source control 102 temperature of thermal field tank, be used for mould
Quasi- subsea environment temperature；The preferred stainless steel material of thermal field tank 102, and insulating layer is set；Coil pipe 103 built in thermal field tank 102 is simulated
Sea-bottom oil-gas gathering line installs observation window 105 in coil pipe 103, generates convenient for observation shooting middle part fluid flow state and hydrate
Situation；103 top of coil pipe connects knockout drum 104, carries out gas-liquid separation；Thermal field tank 102 installs thermal field temperature sensor
107, it monitors thermal field temperature and feeds back refrigeration unit progress temperature control.
103 latus rectum of coil pipe and length are designed according to the site transport pipeline principle of similitude, demarcate volume by coil pipe.
2 interface of natural gas fill assembly accesses live natural gas line, realizes the docking of live natural gas；Injection is opened to cut
Only valve 201 adjust pressure-regulating valve 202 and inject live natural gas；Gas injection process opens wide range pneumatic operated valve 203, closes micro
Journey pneumatic operated valve 205, wide range gas flowmeter 204 measure gas injection rate.Tonifying Qi process opens micro-range pneumatic operated valve 205 in experiment,
Wide range pneumatic operated valve 203 is closed, micro-range gas flow 206 measures air compensation；Injection check valve 207 prevents circulating line pressure
Fluctuation reflux.Component water and additive fill assembly 3 realize the injection of field test component water, additive, according to experiment needs
To realize the metering injection of normal pressure, high pressure conditions；Component water injection process is as follows: component water shut-off valve 302 is opened, with component water
Metering pump 301 carries out metering injection, reflux when component water one-way valve 303 prevents high pressure from injecting；Additive injection process is as follows: beating
Additive shut-off valve 305 is opened, metering injection is carried out with additive metering pump 304, when additive check valve 306 prevents high pressure from injecting
Reflux.Component water and additive are set as two sets of injection configurations and meet injection measuring accuracy requirement, and reason is component water and adds
Add agent injection rate difference larger.
Backpressure regulation component 4 realizes that pressure is adjusted in gas-liquid cycle, the effect of systems stabilisation pressure；No. I back pressure shut-off valve
402 connect with closed cycle circuit after reconnect counterbalance valve 401, counterbalance valve 401 outlet can connect live natural gas safe handling
System, or No. I back pressure shut-off valve 402 is opened, counterbalance valve 401 is adjusted, ensures experimental pressure and the movable type hydration of experimental system
The safety of object inhibition valuator device.No. II back pressure shut-off valve 403 that bypass is opened after experiment is emptied.It is extracted before experiment
Vacuum closes No. II shut-off valve 503, shut-off valve 108, opens the shut-off valve of shut-off valve 504, IV of No. I shut-off valve 502, III
505, after the starting extraction of gas circulator 501 drains closed cycle return-air, vacuum degree closes No. III after reaching requirement of experiment
504, No. IV shut-off valves 505 of shut-off valve stop gas circulator 501.It is implanted sequentially component water, additive, live natural gas, is opened
Dynamic temperature control assembly 1 starts gas circulator 501, into evaluation experimental state.
Gas flowmeter 506 measures pipeline instantaneous flow in closed cycle circuit, and signal feedback turns for adjusting circulating pump
Speed and pipe flow speed；507, No. I temperature sensors 508 of No. I pressure sensor, 509, No. II pressure sensings of No. II temperature sensor
Device 510, detection flows into and out the pressure and temperature of thermal field tank inner coil pipe 103 respectively；501 import of gas circulator, outlet two
End connection differential pressure pick-up 511, the pressure difference variation of detection closed cycle loop fluid during the experiment, when gradually row increases differential pressure
When, illustrate that hydrate increasingly generates, when differential pressure increases to a certain stationary value, hydrate is all given birth under the conditions of a certain temperature, pressure
At.The utility model utilizes gas pipeline flow assurance valuator device, realizes live subsea pressure and real time temperature, injection scene
Natural gas and sample water component in proportion, the hydrate carried out under in-site modeling pit shaft, pipeline, valve and appointed condition generate
The secondary formation mechanism of hydrate and control Prevention Technique and method in generating tube road gas pipeline are studied in experiment；Study hydrate
Slurry flow behavior and its control method；Acquisition experimental data, image in real time is drawn related data and analysis processing chart, is made
For the foundation of hydrate generation.
The utility model utilizes gas pipeline flow assurance valuator device, realizes that live subsea pressure and real time temperature are surveyed
Amount, the natural gas and sample water component of injection scene in proportion, injects additive agent by hydrate additive technology requirement ratio
Amount carries out hydrate additive evaluation experimental in the case where hydrate generates experiment equal conditions, acquires experimental data, image in real time,
Draw related data and analysis processing chart, the foundation as hydrate additive evaluation.
Gas circulator uses dry type screw pump in the utility model, has circulation or pumping function, and evaluation experimental advances
Row extracts vacuum, more energy saving, safety and environmental protection.
Without any medium in the utility model dry type screw pump working chamber, the ortho states gas of cleaning circulation or suction can get
Body.
Coil pipe top is equipped with knockout drum in the utility model, and system circulation is carried out using gas list medium, natural gas
It is mixed in coil pipe with component water, it more can real simulation field pipes conveying natural gas characteristic.
Gas flowmeter is equipped in the closed cycle circuit of the utility model, pipeline instantaneous flow rate signal is fed back for adjusting
Revolution speed and pipe flow speed are recycled, it can be according to field pipes natural gas flow rate set；Improve gas/liquid two phase flow in gas-liquid delivery
Amount is difficult to the defect measured.
Claims (3)
1. a kind of evaluating apparatus of gas pipeline flow assurance, characterized by comprising:
Temperature-controlling module (1), the temperature-controlling module include thermal field tank (102), are equipped with disk in the thermal field tank
It manages (103), one section of the centre pipeline section of the coil pipe leans out the setting of thermal field tank, and observation is provided on pipeline section in leaning out for the coil pipe
Window (105) is provided with observation video camera (106) on the observation window, is connected with gas-liquid separation at the top of the coil pipe
Tank (104), the outlet that the outlet with the knockout drum connects and the inlet tube difference being connect with the import of coil pipe
The setting of thermal field tank is stretched out, and the outlet of outlet and the import of inlet tube are above coil pipe itself；At the bottom of the coil pipe
Portion is connected with branch pipe, and the branch pipe stretches out the setting of thermal field tank, is equipped with shut-off valve on the branch pipe for stretching out the setting of thermal field tank
(108), the thermal field temperature sensor (107) of temperature in measurement thermal field tank, the thermal field tank are provided on the thermal field tank
Cavity pass through connecting pipe respectively with the inlet and outlet for the refrigeration unit for adjusting temperature and connect；
Natural gas fill assembly (2), the natural gas fill assembly include that wide range injection channel and micro-range in parallel are mended
Gas channel, wide range injection channel, micro-range air supply passage one end and injection shut-off valve (201), pressure-regulating valve after parallel connection
(202) it is connected, the wide range injection channel, the micro-range air supply passage other end after parallel connection are connected with injection check valve (207), institute
It states injection check valve to be connected by pipeline with the outlet of outlet, the wide range injection channel includes that concatenated wide range is pneumatic
Valve (203), wide range gas flowmeter (204)；The micro-range air supply passage includes micro-range pneumatic operated valve (205), micro-range
Gas flowmeter (206)；
Component water and additive fill assembly (3), the component water and additive fill assembly include mutually independent component
Water injection channel and additive injection channel, component water injection channel include the component water metering pump (301) being sequentially connected in series,
First pressure sensor, component water shut-off valve (302) and component water one-way valve (303), the additive injection channel include according to
Secondary concatenated additive metering pump (304), second pressure sensor, additive shut-off valve (305), additive check valve (306),
The component water one-way valve, additive check valve pass through pipeline and are connected with the outlet of outlet；
Gas recirculation assembly (5), the gas recirculation assembly are successively coupled by closed cycle circuit with circulation and suction
The outlet of the gas circulator (501) of function, No. IV shut-off valve (505), No. II shut-off valve (503), gas flowmeter (506), I
Number pressure sensor (507), No. I temperature sensor (508), the import of inlet tube, the outlet of outlet, No. II temperature sensor
(509), the entrance of No. II pressure sensor (510), No. I shut-off valve (502) and gas circulator (501)；
One end and No. II shut-off valve (503) and the gas flowmeter of first bypass branch of No. III shut-off valve (504) are installed
(506) other end of closed cycle circuit communication and the first bypass branch between is connected with gas circulator (501) entrance；
One end and the gas circulator of second bypass branch of No. II pneumatic operated valve (513) and differential pressure pick-up (511) are installed
(501) outlet and the other end of the second bypass branch and No. I shut-off valve (502) and No. II pressure sensor (510)
Between closed cycle circuit be connected, the differential pressure pick-up is in parallel with No. I pneumatic operated valve (512)；
Backpressure regulation component (4), the backpressure regulation component include pressure maintaining channel and emptying channel parallel with one another, the guarantor
Pressure passageway includes concatenated counterbalance valve (401), No. I back pressure shut-off valve (402), and the emptying channel includes No. II back pressure shut-off valve
(403), closing between pressure maintaining channel and one end and No. II pressure sensor (510) and No. I shut-off valve (502) for emptying channel
Formula circulation loop is connected to and the other end can be connected to atmosphere；
It is DATA REASONING and acquisition component (6), the DATA REASONING and acquisition component and thermal field temperature sensor, video camera, big
Range pneumatic operated valve, micro-range pneumatic operated valve, wide range gas flowmeter, micro-range gas flowmeter, No. I pressure sensor, No. I temperature
Spend sensor, No. II temperature sensor, No. II pressure sensor, No. I pneumatic operated valve, No. II pneumatic operated valve, differential pressure pick-up, gas stream
Meter, first pressure sensor, second pressure sensor and gas circulator are connected by control line respectively.
2. a kind of evaluating apparatus of gas pipeline flow assurance according to claim 1, it is characterised in that: the thermal field
Tank selects stainless steel material, and insulating layer is arranged.
3. a kind of evaluating apparatus of gas pipeline flow assurance according to claim 1 or 2, it is characterised in that: described
Gas circulator use dry type screw pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049259.1U CN209416733U (en) | 2018-12-06 | 2018-12-06 | A kind of evaluating apparatus of gas pipeline flow assurance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049259.1U CN209416733U (en) | 2018-12-06 | 2018-12-06 | A kind of evaluating apparatus of gas pipeline flow assurance |
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| Publication Number | Publication Date |
|---|---|
| CN209416733U true CN209416733U (en) | 2019-09-20 |
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ID=67937268
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822049259.1U Active CN209416733U (en) | 2018-12-06 | 2018-12-06 | A kind of evaluating apparatus of gas pipeline flow assurance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879912A (en) * | 2020-08-05 | 2020-11-03 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
-
2018
- 2018-12-06 CN CN201822049259.1U patent/CN209416733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879912A (en) * | 2020-08-05 | 2020-11-03 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
| CN111879912B (en) * | 2020-08-05 | 2023-02-21 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
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