CN105424819B - Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction - Google Patents

Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction Download PDF

Info

Publication number
CN105424819B
CN105424819B CN201610028033.6A CN201610028033A CN105424819B CN 105424819 B CN105424819 B CN 105424819B CN 201610028033 A CN201610028033 A CN 201610028033A CN 105424819 B CN105424819 B CN 105424819B
Authority
CN
China
Prior art keywords
hydration reaction
reaction kettle
gaseous mixture
pressure
ion concentration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610028033.6A
Other languages
Chinese (zh)
Other versions
CN105424819A (en
Inventor
张保勇
吴琼
高霞
刘传海
吴强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang University of Science and Technology
Original Assignee
Heilongjiang University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heilongjiang University of Science and Technology filed Critical Heilongjiang University of Science and Technology
Priority to CN201610028033.6A priority Critical patent/CN105424819B/en
Publication of CN105424819A publication Critical patent/CN105424819A/en
Application granted granted Critical
Publication of CN105424819B publication Critical patent/CN105424819B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation

Abstract

Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction, are related to natural gas field.The present invention solves the problems, such as that solution ion concentration can not realize that multilayer position monitors in current gaseous mixture hydro-combination process.Constant temperature circulating water installations are used to provide reaction required temperature for hydration reaction kettle;Gaseous mixture is pressed into hydration reaction kettle by high-pressure air source device, after pressure in question response kettle reaches desired value, gaseous mixture and reaction solution react progressively generation and mix gas hydrate, pressure monitoring device and device for detecting temperature to be monitored in real time to the pressure and temperature in hydration reaction kettle.During hydration reaction, taken out by solenoid-driven flowmeter from liquid taking port and determine volume of liquid, moved in ion chromatograph, carry out ion concentration analysis.The present invention is applied to the ion concentration measure of other reactions.

Description

Ion concentration multilayer position monitoring device and monitoring during gaseous mixture hydration reaction Method
Technical field
The present invention relates to natural gas field.
Background technology
Gas hydrate be by small gas molecule and hydrone form like ice-like solid compounds, wherein object gas Molecule is attracted in the cage modle lattice being made up of hydrone.The guest molecule of hydrate can be carbon dioxide, sulphur in nature Change hydrogen or nitrogen, but it is methane hydrate to be distributed most commonly used.The formation of hydrate needs cryogenic high pressure environment, and works as hole Gap water could form hydrate when exceeding Methane solubility containing methane concentration, in edge of continental shelf area and polar region permafrost zone preservation A large amount of gas hydrates (mainly methane hydrate), it is considered to be one of most promising new energy.
Gas hydrates because its huge energy meaning, latency environment feedback effect, seabed disaster or drilling safety influence, And turn into countries in the world important research object.Under natural conditions, gas hydrates are that deposition medium reclaimed water and natural gas exist Under temperature and pressure change condition, formed in the process of circulation after the complicated stage such as formation, development, aggregation, mobile, decomposition. Complex system gas hydrates crystal nucleation and growth are mainly by temperature, pressure, gas component and saturation degree, sedimentary particle And the factor such as pore water composition influences.Pore water is each contained by its each layer position as the fluid being filled in marine sediment hole Abnormal (such as Cl of kind ion component-Concentration, SO4 2-Concentration gradient) can effective tracer gas hydrates presence.Therefore gas is verified Each layer position pore water distributional characteristics of ions of gas hydrate forming process, important finger is played to ocean gas hydrate mineral exploration It is shown as using.
At present, gas hydrate course of reaction ion measurement device is mostly that bottom takes liquid, individual layer measure solution ion concentration.I.e. Water acquisition mouth is provided with hydration experiment bottom of device, water sample is gathered in hydrate formation.Such device can realize gas water The purpose of bottom ion concentration sampling and measuring in course of reaction is closed, but it is single to be only capable of reaction system bottom during measuring hydration reaction The ion concentration change of layer, the ion concentration monitoring purpose of more than reaction system bottom each layer position can not be realized.Gaseous mixture is hydrated During ion concentration multilayer position monitoring device there is the function of monitoring different layers position ion concentration in real time, can be in mixing air water Close foundation in course of reaction and require to measure each layer position ion concentration distribution situation in reaction system.
The content of the invention
Present invention aim to address the ion concentration in current mixing gas hydrate can not realize the monitoring of multilayer position Problem, it is proposed that ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction.
Ion concentration multilayer position monitoring device during gaseous mixture hydration reaction, the device include:Shell 1, n hydration Reactor 2, inlet duct, pressure monitoring device 4, constant temperature circulating water installations 5, ion chromatograph 6 and device for detecting temperature 7;N is Integer more than or equal to 1;
Hydration reaction kettle 2 is located in shell 1, and thermostatical circulating water, water are full of between the hydration reaction kettle 2 and shell 1 Close reactor 2 and be used for placing response solution;The thermostatical circulating water connection constant temperature circulating water installations 5, constant temperature circulating water installations 5 are used In providing thermostatical circulating water, the temperature in hydration reaction kettle 2 is controlled;
Top connection inlet duct, pressure monitoring device 4 and the device for detecting temperature 7 of the hydration reaction kettle 2;Air inlet fills Put for offer/discharge gaseous mixture into hydration reaction kettle 2;Pressure monitoring device 4 is used to monitor the mixing in hydration reaction kettle 2 The pressure of gas;Device for detecting temperature 7 is used to monitor the temperature in hydration reaction kettle 2;
The kettle of the hydration reaction kettle 2 is provided with m liquid taking port from bottom to up;Ion chromatograph 6 be used for analyze measure from The liquid ions concentration that the liquid taking port of hydration reaction kettle 2 takes out;m≥2.
Ion concentration multilayer position monitoring device during gaseous mixture hydration reaction, it also includes into air driving device, entered Air driving device includes gases at high pressure booster pump 31, Jing Yin air compressor 32 and high-pressure air source device 33;High-pressure air source device 33 are used to provide gaseous mixture;Gases at high pressure booster pump 31 and Jing Yin air compressor 32 are used to described in gaseous mixture press-in to enter Device of air.
Air inlet/deflation valve 3 is in series between the gases at high pressure booster pump 31 and hydration reaction kettle 2.
Ion concentration multilayer position monitoring device during gaseous mixture hydration reaction, it also includes data acquisition device 8, control Panel 9 and industrial computer processed;Data acquisition device 8 is used to gather the pressure that the pressure monitoring device 4 exports and sends pressure To industrial computer, it is additionally operable to gather the temperature that the device for detecting temperature 7 exports and sends temperature to industrial computer, control panel 9 For controlling gases at high pressure booster pump 31, Jing Yin air compressor 32 and magnetic valve 11 to work, it is additionally operable to control thermostatical circulating water The temperature of thermostatical circulating water in device 5.
The exit of the liquid taking port is provided with flowmeter 10 and magnetic valve 11;Flowmeter 10 is used to monitor liquid taking port outflow Liquid flow;Magnetic valve 11 is used to control liquid taking port to switch;Magnetic valve 11 is controlled by control panel 9.
Form is provided with the kettle of the hydration reaction kettle 2.
Hydration reaction kettle 2 is stainless steel cauldron.
The autoclave body bottom of the hydration reaction kettle 2 is provided with tap hole;The tap hole is used to make in hydration reaction kettle Liquid is discharged from the mouth;The external valve 12 of tap hole, valve 12 are used to open and close tap hole.
Ion concentration multilayer position monitoring based on the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction Method, this method comprise the steps:
Step 1: the ion concentration multilayer position monitoring device during installation gaseous mixture hydration reaction, and check the device Air-tightness;
Step 2: the reaction solution needed for injection experimentses into hydration reaction kettle 2, then circulates water thermostat 5 to hydration Thermostatical circulating water is injected between reactor 2 and shell 1, the control of control panel 9 circulates the thermostatical circulating water in water thermostat 5 Temperature reaches desired value;
Step 3: closing external valve 12, air inlet/deflation valve 3 is opened, control panel control is closed magnetic valve 11 and beaten Gases at high pressure booster pump 31, Jing Yin air compressor 32 and high-pressure air source device 33 are opened, makes inlet duct into hydration reaction kettle 2 0.5MPa gaseous mixtures are passed through, are then shut off air inlet/deflation valve 3, gases at high pressure booster pump 31 and Jing Yin air compressor 32, Gaseous mixture is discharged after 20s, is passed through discharge gaseous mixture repeatedly three times;
Step 4: opening air inlet/deflation valve 3 and high-pressure air source device 33, control panel 9 control Jing Yin air compressor 32 and gases at high pressure booster pump 31 start, after target pressure value gaseous mixture is passed through into hydration reaction kettle 2, control panel 9 controls Jing Yin air compressor 32 and gases at high pressure booster pump 31 stop being passed through gaseous mixture into hydration reaction kettle 2, close air inlet/deflation Valve 3 and high-pressure air source device 33;Gases at high pressure booster pump 31 is controlled to discharge pipeline residual gas by control panel 9, industry control Machine monitors the pressure and temperature in hydration reaction kettle 2 by data acquisition device 8 in real time;
Step 5: after occurring visual crystal in hydration reaction kettle 2, control panel 9 controls the electromagnetism connected with liquid taking port Valve 11, the solution of setting volume is taken out from liquid taking port and move to ion chromatograph 6, flowmeter 10 monitors the stream of the process liquids Amount, the analysis of ion chromatograph 6 determine the ion concentration of the reaction liquid moment different layers position in hydration reaction kettle 2.
Beneficial effect:The present apparatus considers that various ion components are abnormal contained by each layer position of marine sediment Fluid in Pore (such as Cl-Concentration, SO4 2-Concentration gradient) can effective this phenomenon of the presence of tracer gas hydrates, design gaseous mixture hydration Ion concentration multilayer position monitoring device and monitoring method in course of reaction.The device has real-time monitoring different layers position ion dense The function of degree, foundation it can require to measure each layer position ion concentration distribution feelings in reaction system during gaseous mixture hydration reaction Condition.Solve current equipment be only capable of bottom take liquid, individual layer measure and can not realize that the ion of more than reaction system bottom each layer position is dense Spend the limitation of monitoring.
Advantage for present invention:Ion concentration multilayer position monitoring device and monitoring method can be during hydration reactions Foundation requires to realize the function of the fixed interval electronic sampling in different layers position, so as to realize each layer position in acquisition gas hydrate course of reaction The purpose of ion concentration distribution situation, and then verify each layer position pore water distributional characteristics of ions of gas hydrate forming process.This Invention is applied to the ion concentration measurement of other reactions, is with a wide range of applications and larger promotional value.
Brief description of the drawings
Fig. 1 be gaseous mixture hydration reaction during ion concentration multilayer position monitoring device structural representation;
Fig. 2 is the ion concentration multilayer position based on the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction The schematic diagram of ion concentration multilayer position monitoring device during gaseous mixture hydration reaction in monitoring method.
Embodiment
Embodiment one, reference picture 1 illustrate present embodiment, and the gaseous mixture hydration described in present embodiment is anti- Should during ion concentration multilayer position monitoring device, shell 1, n hydration reaction kettle 2, inlet duct, pressure monitoring device 4, Constant temperature circulating water installations 5, ion chromatograph 6 and device for detecting temperature 7;N is the integer more than or equal to 1;
Hydration reaction kettle 2 is located in shell 1, and thermostatical circulating water, water are full of between the hydration reaction kettle 2 and shell 1 Close reactor 2 and be used for placing response solution;The thermostatical circulating water connection constant temperature circulating water installations 5, constant temperature circulating water installations 5 are used In providing thermostatical circulating water, the temperature in hydration reaction kettle 2 is controlled;
Top connection inlet duct, pressure monitoring device 4 and the device for detecting temperature 7 of the hydration reaction kettle 2;Air inlet fills Put for offer/discharge gaseous mixture into hydration reaction kettle 2;Pressure monitoring device 4 is used to monitor the mixing in hydration reaction kettle 2 The pressure of gas;Device for detecting temperature 7 is used to monitor the temperature in hydration reaction kettle 2;
The kettle of the hydration reaction kettle 2 is provided with m liquid taking port from bottom to up;Ion chromatograph 6 be used for analyze measure from The liquid ions concentration that the liquid taking port of hydration reaction kettle 2 takes out;m≥2.
In present embodiment, solion, i.e. reaction solution are previously implanted into hydration reaction kettle 2, the reaction solution is used for With mixing solid/liquid/gas reactions, so as to generate mixing gas hydrate.The thermostatical circulating water that constant temperature circulating water installations 5 provide is in shell 1 and water Close in reactor 2 and flow, temperature reaches required temperature in control hydration reaction kettle 2, and gaseous mixture is anti-from inlet duct into hydration Answer in kettle 2, pressure monitoring device 4 and device for detecting temperature 7 monitor the pressure and temperature in hydration reaction kettle 2 in real time, work as pressure After reaching desired value, stop feeding gaseous mixture into hydration reaction kettle 2.After occurring visual crystal in hydration reaction kettle 2, pass through Liquid taking port obtains the liquid of different levels, and the liquid of taking-up moves to the post analysis of ion chromatograph 6 and obtains gaseous mixture hydration reaction mistake The solution ion concentration of different layers position in journey.
Embodiment two, present embodiment are to during the gaseous mixture hydration reaction described in embodiment one Ion concentration multilayer position monitoring device further explanation, in present embodiment, it is also included into air driving device, enters gas drive Dynamic device includes gases at high pressure booster pump 31, Jing Yin air compressor 32 and high-pressure air source device 33;High-pressure air source device 33 is used In offer gaseous mixture;Gases at high pressure booster pump 31 and Jing Yin air compressor 32 are used to the gaseous mixture being pressed into the air inlet dress Put.
In present embodiment, the gaseous mixture of high-pressure air source device 33 is anti-to being hydrated through the supercharging of gases at high pressure booster pump 31 input Answer in kettle 2, gaseous mixture is carried out reaction generation with the solution in hydration reaction kettle 2 and mix gas hydrate.
Embodiment three, present embodiment are to during the gaseous mixture hydration reaction described in embodiment two Ion concentration multilayer position monitoring device further explanation, in present embodiment, the gases at high pressure booster pump 31 and hydration Air inlet/deflation valve 3 is in series between reactor 2.
In present embodiment, air inlet/deflation valve 3 is used to start to feed gaseous mixture into hydration reaction kettle 2, stops supply Used when residual gas is discharged after terminating with experiment.
Embodiment four, present embodiment are to the gaseous mixture hydration reaction mistake described in embodiment one or three The further explanation of ion concentration multilayer position monitoring device in journey, in present embodiment, it also include data acquisition device 8, Control panel 9 and industrial computer;Data acquisition device 8 is used to gather the pressure that the pressure monitoring device 4 exports and sends out pressure Industrial computer is delivered to, is additionally operable to gather the temperature that the device for detecting temperature 7 exports and sends temperature to industrial computer, control panel 9 are used to control gases at high pressure booster pump 31, Jing Yin air compressor 32 and magnetic valve 11 to work, and are additionally operable to control thermostatical circulating water The temperature of thermostatical circulating water in device 5.
In present embodiment, the pressure monitoring device 4 inputs the pressure of monitoring to industry control by data acquisition device 8 Machine, device for detecting temperature 7 input the temperature of monitoring to industrial computer by data acquisition device 8;Industrial computer monitoring pressure in real time And temperature, consequently facilitating staff adjusts air inlet/deflation valve 3.
Embodiment five, present embodiment are to during the gaseous mixture hydration reaction described in embodiment four Ion concentration multilayer position monitoring device further explanation, in present embodiment, the exit of the liquid taking port is provided with stream Gauge 10 and magnetic valve 11;Flowmeter 10 is used for the flow for monitoring the liquid of liquid taking port outflow;Magnetic valve 11 is controlled by control panel 9 System.
In present embodiment, staff needs to determine the ion concentration of solution during certain layer of position gaseous mixture hydration reaction When, being controlled by control panel 9 and open this layer of position magnetic valve 11, volume of liquid is determined in acquisition, and the liquid is moved in ion chromatograph 6, This layer of position ion concentration value of the moment is obtained after the analysis of ion chromatograph 6.
Embodiment six, present embodiment are to during the gaseous mixture hydration reaction described in embodiment one Ion concentration multilayer position monitoring device further explanation, in present embodiment, set on the kettle of the hydration reaction kettle 2 There is form.
In present embodiment, the form is used to observe the situation of change in hydration reaction kettle 2.The form is sapphire Form.
Embodiment seven, present embodiment are to during the gaseous mixture hydration reaction described in embodiment one Ion concentration multilayer position monitoring device further explanation, in present embodiment, hydration reaction kettle 2 is stainless steel cauldron.
Reactor is made of 316 stainless steels, pressure-resistant 15MPa.
Embodiment eight, present embodiment are to during the gaseous mixture hydration reaction described in embodiment one Ion concentration multilayer position monitoring device further explanation, in present embodiment, the autoclave body bottom of the hydration reaction kettle 2 is set It is equipped with tap hole;The tap hole is used to make the liquid in hydration reaction kettle to be discharged from this mouthful;The external valve 12 of tap hole, Valve 12 is used to open and close tap hole.
Embodiment nine, illustrate present embodiment referring to Figures 1 and 2, based on the gaseous mixture described in embodiment eight The ion concentration multilayer position monitoring method of ion concentration multilayer position monitoring device during hydration reaction, this method include following Step:
Step 1: the ion concentration multilayer position monitoring device during installation gaseous mixture hydration reaction, and check the device Air-tightness;
Step 2: the reaction solution needed for injection experimentses into hydration reaction kettle 2, then circulates water thermostat 5 to hydration Thermostatical circulating water is injected between reactor 2 and shell 1, the control of control panel 9 circulates the thermostatical circulating water in water thermostat 5 Temperature reaches desired value;
Step 3: closing external valve 12, air inlet/deflation valve 3 is opened, control panel control is closed magnetic valve 11 and beaten Gases at high pressure booster pump 31, Jing Yin air compressor 32 and high-pressure air source device 33 are opened, makes inlet duct into hydration reaction kettle 2 0.5MPa gaseous mixtures are passed through, are then shut off air inlet/deflation valve 3, gases at high pressure booster pump 31 and Jing Yin air compressor 32, Gaseous mixture is discharged after 20s, is passed through discharge gaseous mixture repeatedly three times;
Step 4: opening air inlet/deflation valve 3 and high-pressure air source device 33, control panel 9 control Jing Yin air compressor 32 and gases at high pressure booster pump 31 start, after target pressure value gaseous mixture is passed through into hydration reaction kettle 2, control panel 9 controls Jing Yin air compressor 32 and gases at high pressure booster pump 31 stop being passed through gaseous mixture into hydration reaction kettle 2, close air inlet/deflation Valve 3 and high-pressure air source device 33;Gases at high pressure booster pump 31 is controlled to discharge pipeline residual gas by control panel 9, industry control Machine monitors the pressure and temperature in hydration reaction kettle 2 by data acquisition device 8 in real time;
Step 5: after occurring visual crystal in hydration reaction kettle 2, control panel 9 controls the electromagnetism connected with liquid taking port Valve 11, the solution of setting volume is taken out from liquid taking port and move to ion chromatograph 6, flowmeter 10 monitors the stream of the process liquids Amount, the analysis of ion chromatograph 6 determine the ion concentration of the reaction liquid moment different layers position in hydration reaction kettle 2.
In present embodiment, depending on sampling horizon, sample interval and sampling number are according to experiment concrete scheme.
Step 6: after experiment terminates, gases at high pressure booster pump 31 is opened by control panel 9 first, then slowly open air inlet/ Deflation valve 3 discharges residual gas in hydration reaction kettle 2, after hydrate is changed into liquid completely in hydration reaction kettle 2, opens external valve 12 discharging liquids of door.
In present embodiment, step 1 to step 3 is in the preliminary preparation before being tested, especially step 3 Be passed through discharge gaseous mixture three times, be to carry out gas displacement, when ensureing that step 4 is formally tested, gaseous mixture hydration is instead The gas in the monitoring device of ion concentration multilayer position during answering does not have impurity.
Target pressure value gaseous mixture in step 4, the setting value of the gaseous mixture according to needed for experiment demand is referred to, such as The gaseous mixture for wanting 5MPa is tested, then 5MPa is target pressure value.The method achieve automatic monitoring gaseous mixture with it is molten The solution ion concentration of different layers position at different moments in solution in liquid course of reaction, this method is simple and effective, so as to realize reality When obtain gas hydrate course of reaction in each aspect ion concentration distribution situation purpose.
Control panel controls Jing Yin air compressor, gases at high pressure booster pump, circulation water thermostat and magnetic valve.High pressure Compressed air source unit be flowing, it is necessary to when be connected in system.Magnetic valve is controlled by control panel, then by instruct realize open and Close.Ion chromatograph is measure device, delivers in ion chromatograph sample after sampling and is measured.Pressure monitoring device and Device for detecting temperature is that data acquisition unit is connected in industrial computer after being connected to by pressure, temperature sensor in data acquisition, by Acquisition software in industrial computer realizes temperature, pressure at-once monitor function.

Claims (5)

1. the ion concentration multilayer position monitoring method of the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction, its It is characterised by, described device includes:Shell (1), n hydration reaction kettle (2), inlet duct, pressure monitoring device (4), constant temperature Circulating water device (5), ion chromatograph (6) and device for detecting temperature (7);N is the integer more than or equal to 1;
Hydration reaction kettle (2) is located in shell (1), and constant temperature circulating is full of between the hydration reaction kettle (2) and shell (1) Water, hydration reaction kettle (2) are used for placing response solution;The thermostatical circulating water connection constant temperature circulating water installations (5), constant temperature circulating Water installations (5) are used to provide thermostatical circulating water, control the temperature in hydration reaction kettle (2);
Top connection inlet duct, pressure monitoring device (4) and the device for detecting temperature (7) of the hydration reaction kettle (2);Air inlet Device is used for the interior offer of hydration reaction kettle (2)/discharge gaseous mixture;Pressure monitoring device (4) is used to monitor hydration reaction kettle (2) The pressure of interior gaseous mixture;Device for detecting temperature (7) is used to monitor the temperature in hydration reaction kettle (2);
The kettle of the hydration reaction kettle (2) is provided with m liquid taking port from bottom to up;Ion chromatograph (6) be used for analyze measure from The liquid ions concentration that the liquid taking port of hydration reaction kettle (2) takes out;m≥2;
It also includes data acquisition device (8), control panel (9) and industrial computer;Data acquisition device (8) is used to gather the pressure The pressure of power monitoring device (4) output simultaneously sends pressure to industrial computer, is additionally operable to gather the device for detecting temperature (7) output Temperature and temperature is sent to industrial computer, control panel (9) is used to control gases at high pressure booster pump (31), the compression of Jing Yin air Machine (32) and magnetic valve (11) work, it is additionally operable to control the temperature of the thermostatical circulating water in constant temperature circulating water installations (5);
The exit of the liquid taking port is provided with flowmeter (10) and magnetic valve (11);Flowmeter (10) is used to monitor liquid taking port stream The flow of the liquid gone out;Magnetic valve (11) is used to control liquid taking port to switch;Magnetic valve (11) is controlled by control panel (9);
The autoclave body bottom of the hydration reaction kettle (2) is provided with tap hole;The tap hole is used to make the liquid in hydration reaction kettle Body is discharged from the mouth;The external valve of tap hole (12), valve (12) are used to open and close tap hole;
Methods described comprises the steps:
Step 1: the ion concentration multilayer position monitoring device during installation gaseous mixture hydration reaction, and check the gas of the device Close property;
Step 2: to reaction solution needed for hydration reaction kettle (2) interior injection experimentses, water thermostat (5) is then circulated to hydration Thermostatical circulating water is injected between reactor (2) and shell (1), control panel (9) control circulates the constant temperature in water thermostat (5) The temperature of recirculated water reaches desired value;
Step 3: closing external valve (12), air inlet/deflation valve (3) is opened, control panel control closes magnetic valve (11) simultaneously Gases at high pressure booster pump (31), Jing Yin air compressor (32) and high-pressure air source device (33) are opened, makes inlet duct to hydration 0.5MPa gaseous mixtures are passed through in reactor (2), are then shut off air inlet/deflation valve (3), gases at high pressure booster pump (31) and Jing Yin Air compressor (32), gaseous mixture is discharged after 20s, be passed through discharge gaseous mixture repeatedly three times;
Step 4: opening air inlet/deflation valve (3) and high-pressure air source device (33), control panel (9) controls Jing Yin air compression Machine (32) and gases at high pressure booster pump (31) start, to hydration reaction kettle (2) in be passed through target pressure value gaseous mixture after, chain of command Plate (9) controls Jing Yin air compressor (32) and gases at high pressure booster pump (31) to stop being passed through mixing into hydration reaction kettle (2) Gas, close air inlet/deflation valve (3) and high-pressure air source device (33);By control panel (9) control gases at high pressure booster pump (31) Pipeline residual gas is discharged, industrial computer monitors pressure and temperature in hydration reaction kettle (2) by data acquisition device (8) in real time Degree;
Step 5: after occurring visual crystal in hydration reaction kettle (2), control panel (9) controls the electromagnetism connected with liquid taking port Valve (11), the solution of setting volume is taken out from liquid taking port and move to ion chromatograph (6), flowmeter (10) monitors the process liquids Flow, the ion of the reaction liquid moment different layers position in ion chromatograph (6) analysis measure hydration reaction kettle (2) is dense Degree.
2. the ion of the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction according to claim 1 is dense Spend multilayer position monitoring method, it is characterised in that it is also included into air driving device, enters air driving device and is pressurized including gases at high pressure Pump (31), Jing Yin air compressor (32) and high-pressure air source device (33);High-pressure air source device (33) is used to provide gaseous mixture;It is high Calm the anger body booster pump (31) and Jing Yin air compressor (32) is used to the gaseous mixture being pressed into the inlet duct.
3. the ion of the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction according to claim 2 is dense Spend multilayer position monitoring method, it is characterised in that be in series between the gases at high pressure booster pump (31) and hydration reaction kettle (2) into Gas/deflation valve (3).
4. the ion of the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction according to claim 1 is dense Spend multilayer position monitoring method, it is characterised in that be provided with form on the kettle of the hydration reaction kettle (2).
5. the ion of the ion concentration multilayer position monitoring device during gaseous mixture hydration reaction according to claim 1 is dense Spend multilayer position monitoring method, it is characterised in that hydration reaction kettle (2) is stainless steel cauldron.
CN201610028033.6A 2016-01-16 2016-01-16 Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction Active CN105424819B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610028033.6A CN105424819B (en) 2016-01-16 2016-01-16 Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610028033.6A CN105424819B (en) 2016-01-16 2016-01-16 Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction

Publications (2)

Publication Number Publication Date
CN105424819A CN105424819A (en) 2016-03-23
CN105424819B true CN105424819B (en) 2018-03-06

Family

ID=55503162

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610028033.6A Active CN105424819B (en) 2016-01-16 2016-01-16 Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction

Country Status (1)

Country Link
CN (1) CN105424819B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109859578B (en) * 2019-03-22 2022-04-29 黑龙江科技大学 Teaching device for demonstrating formation and decomposition process of gas hydrate
CN111852409B (en) * 2020-07-24 2022-05-06 黑龙江科技大学 Natural gas hydrate exploitation device and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101550816B (en) * 2009-05-20 2011-12-07 中国科学院广州能源研究所 Three-dimensional exploitation simulated experiment apparatus for natural gas hydrate
CN101592432B (en) * 2009-07-08 2010-12-08 黑龙江科技学院 Method for promoting hydration, solidification and separation of coal mine mash gas mixture
CN103418309B (en) * 2012-05-22 2016-04-20 青岛海洋地质研究所 Fluid ions parameter real-time detection apparatus in gas hydrate generative process
CN104215622B (en) * 2013-06-05 2016-08-24 青岛海洋地质研究所 Hydrate Geochemical Parameters in-situ investigation analog systems in halmeic deposit
CN203931312U (en) * 2014-05-16 2014-11-05 青岛海洋地质研究所 CO 2replacement exploitation of gas hydrate experiment simulator

Also Published As

Publication number Publication date
CN105424819A (en) 2016-03-23

Similar Documents

Publication Publication Date Title
US9598936B1 (en) Apparatus and method for monitoring hydrate decomposition area under different drilling and production processes
US10100264B2 (en) Experimental loop system for fluidization exploitation of solid-state marine gas hydrate
CN104597219B (en) A kind of water rock chemical kinetic reaction dual system experimental rig
CN105203716B (en) Ocean gas hydrate solid state fluidizing extracting experiment analog
WO2016061854A1 (en) Simulation experiment device for natural gas hydrate exploitation at permeable boundary layers
CN103344539A (en) Long-term multi-field coupling test device and method for seepage pressure and phase component proportion-controllable rock
CN105424819B (en) Ion concentration multilayer position monitoring device and monitoring method during gaseous mixture hydration reaction
CN110887776A (en) Device and method for measuring horizontal/vertical permeability of hydrate-containing reservoir
CN104931407A (en) Multi-axis salt spray corrosion fatigue crack propagation test system
WO2022000891A1 (en) Hydrate evaluation experiment system and method
CN104900131B (en) The experimental method of formation fluid overflow and leakage in a kind of simulation drilling process
CN105403673B (en) Device and method for preventing and controlling natural gas hydrate technical research in pipe-line
CN204269466U (en) Containing natural gas hydrate deposits thing multifunctional triaxial compression test device
CN112985757A (en) Coastal karst area flowing water grouting test device and test method
CN107202875B (en) Determine under test gas to the system and method for stratum lithological effects
CN201885983U (en) Wax deposition experimental device
CN207750065U (en) Air-water-sand three-phase injection distribution system of simulating hydrate emulation exploitation
CN106769677A (en) The online viscosity detecting device of HTHP profit fluid-mixing and method
CN106837288B (en) Method for controlling static pressure in reservoir of liquefied gas and proppant mixture
CN112014255A (en) Experimental device
CN106526140B (en) A kind of experimental provision and application method for evaluating foam oil oil gas surface stability
CN205262844U (en) Water -rock interaction device of simulating high water pressure load and air -drying control
CN109612902B (en) System and method for simulating groundwater level fluctuation with controllable temperature and dissolved oxygen
CN107956456B (en) Gas-water-sand three-phase injection allocation system and method for simulating hydrate simulation exploitation
CN116698897A (en) Mineralizing and sealing CO in salty water layer 2 Measuring device and measuring method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant