CN109801544A - A kind of carbonate rock forming environment condition simulation experimental provision and its application method - Google Patents
A kind of carbonate rock forming environment condition simulation experimental provision and its application method Download PDFInfo
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- CN109801544A CN109801544A CN201910097073.XA CN201910097073A CN109801544A CN 109801544 A CN109801544 A CN 109801544A CN 201910097073 A CN201910097073 A CN 201910097073A CN 109801544 A CN109801544 A CN 109801544A
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Abstract
The invention belongs to carbonate rock study on the genesis technical field more particularly to a kind of carbonate rock forming environment condition simulation experimental provision and its application methods.Carbonate rock forming environment condition simulation device of the invention includes reaction kettle, carbon dioxide injection regulating device, temperature-adjusting device, pressure-regulating device and liquid medicament injector, the adjusting to carbon dioxide, temperature and pressure can be realized by carbon dioxide injection regulating device, temperature-adjusting device and pressure-regulating device, the influence that the device can be formed carbonate rock with simulated experiment carbon dioxide content, temperature environment and pressure environment provides experimental basis for the forming environment analysis of carbonate rock.
Description
Technical field
The present invention relates to carbonate rock study on the genesis technical field more particularly to a kind of carbonate rock forming environment condition moulds
Draft experiment device and its application method.
Background technique
Carbonate rock is widely distributed in earth's surface, accounts for 20% of exposed rock or so.Carbonate rock is not only the important of oil gas
Reservoir Body, itself are also a kind of important mineral resources, are widely used in the every field such as metallurgy, building, chemical industry, agricultural, because
This has great importance for the research of carbonate rock.
Since carbonate rock cause condition is complicated, by the end of currently, for its research substantially according to the component of rock,
Analysis containing object and structure speculates that it forms environment, does not set up perfect simulating lab test method and system, does not also have
There is relevant experimental provision.Just in this context, we have proposed apparatus of the present invention, and have carried out related experiment, are formed
Perfect experimental method.
Summary of the invention
The purpose of the present invention is to provide a kind of carbonate rock forming environment condition simulation experimental provisions, which can be with mould
The influence that draft experiment carbon dioxide content, temperature environment and pressure environment form carbonate rock is the origin cause of formation ring of carbonate rock
Border analysis provides experimental basis.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of carbonate rock forming environment condition simulation experimental provisions, including reaction kettle 3, carbon dioxide
Inject regulating device, temperature-adjusting device, pressure-regulating device, liquid medicament injector 4, reaction kettle bracket 14 and liquid medicament injector branch
Frame 15, the top of the reaction kettle 3 are provided with reaction kettle carbon dioxide gas injection pipe 31, exhaust pipe 33 and reaction kettle piston
34, the bottom of the reaction kettle 3 is provided with inlet；The top of the liquid medicament injector 4 is provided with liquid medicament injector piston 41,
The bottom of the liquid medicament injector 4 is provided with liquid outlet；The liquid outlet of the liquid medicament injector and the inlet of reaction kettle are by even
Adapter tube 11 is connected；The inlet is provided with reaction kettle medical fluid injection pipe switch 32, and the liquid outlet is provided with liquid medicament injector
Switch 42；The carbon dioxide injection regulating device is connected with reaction kettle carbon dioxide gas injection pipe 31, is used for reaction kettle
(3) carbon dioxide is injected in；The pressure-regulating device is for being adjusted the pressure in the reaction kettle 3；The temperature
Regulating device is for being adjusted the temperature in the reaction kettle 3.
Preferably, the carbon dioxide injection regulating device includes carbon dioxide air accumulator 1, carbon dioxide gas injector
2, pressure gauge 21, carbon dioxide gas storage tank valve 5, pressure reducing valve 6, switch 7 and gas electronic flowmeter 10, the carbon dioxide storage
Gas tank 1 is connected with carbon dioxide gas injector 2 by connecting tube 8, and the carbon dioxide gas injector 2 is with reaction kettle 3 by even
Adapter tube 9 is connected, and the carbon dioxide gas storage tank valve 5 is set to the top of the carbon dioxide air accumulator 1, the carbon dioxide
Pressure reducing valve 6 is provided between gas storage tank valve 5 and switch 7, the switch 7 is arranged in connecting tube 8, the gas electronic flow
Meter 10 is set between the connecting tube 9 and reaction kettle carbon dioxide gas injection pipe switch 31.
Preferably, the temperature-adjusting device includes thermostatic bath 12, by reaction kettle bracket (14) and reaction kettle 3 when use
It is placed in the thermostatic bath 12.
Preferably, the pressure-regulating device includes compression weight 13, when use the compression weight 13 be placed in it is described anti-
On the reaction kettle piston 34 for answering 3 top of kettle.
The present invention provides the methods of the simulation carbonate rock cause condition of described device by adopting the above technical scheme, including with
Lower step:
It is adjusted in described device respectively by carbon dioxide injection regulating device, temperature-adjusting device or pressure-regulating device
Gas concentration lwevel, temperature or pressure, under scheduled gas concentration lwevel, temperature or pressure condition, Xiang Suoshu reaction kettle 3
Sodium carbonate liquor is added in Xiang Suoshu liquid medicament injector 4 for middle addition calcium chloride solution, carries out carbonate salt-forming reaction.
Preferably, the concentration of the calcium chloride solution is 0.00005mol/mL, volume 500mL.
Preferably, the concentration of the sodium carbonate liquor is 0.00005mol/mL, volume 300mL.
Preferably, the injected slurry volume of the carbon dioxide is 0mL, 25mL or 50mL.
Preferably, the temperature is 10 DEG C, 30 DEG C or 50 DEG C.
Preferably, change the pressure by the way that counterweight is added, the quality of the counterweight is 0kg, 5kg or 10kg.
The present invention provides a kind of carbonate rock forming environment condition simulation experimental provision, by gas concentration lwevel,
The adjusting of temperature and pressure, the device can be with simulated experiment carbon dioxide content, temperature environment and pressure environments to carbonate rock
The influence of formation provides experimental basis for the forming environment analysis of carbonate rock.
Detailed description of the invention
Fig. 1 is carbonate rock forming environment condition simulation experimental provision schematic diagram of the present invention.
Specific embodiment
The present invention provides a kind of carbonate rock forming environment condition simulation experimental provisions, and as shown in Fig. 1, the present invention mentions
The carbonate rock forming environment condition simulation experimental provision of confession includes reaction kettle 3, carbon dioxide injection regulating device, temperature adjusting
Device, pressure-regulating device, liquid medicament injector 4, reaction kettle bracket 14 and liquid medicament injector bracket 15；The top of the reaction kettle 3
End is provided with reaction kettle carbon dioxide gas injection pipe 31, exhaust pipe 33 and reaction kettle piston 34, and the bottom of the reaction kettle 3 is set
It is equipped with inlet；The top of the liquid medicament injector 4 is provided with liquid medicament injector piston 41, the bottom of the liquid medicament injector 4
It is provided with liquid outlet；The liquid outlet of the liquid medicament injector is connected with the inlet of reaction kettle by connecting tube 11；The inlet
It is provided with reaction kettle medical fluid injection pipe switch 32, the liquid outlet is provided with liquid medicament injector switch 42；The carbon dioxide note
Enter regulating device to be connected with reaction kettle carbon dioxide gas injection pipe 31, for injecting carbon dioxide into reaction kettle (3)；It is described
Pressure-regulating device is for being adjusted the pressure in the reaction kettle 3；The temperature-adjusting device is used for the reaction
Temperature in kettle 3 is adjusted.
In the present invention, the reaction kettle bracket 14 is capable of fixing reaction kettle, and keeps reaction kettle upright；The medical fluid injection
Device bracket 15 is capable of fixing liquid medicament injector, and keeps liquid medicament injector upright.
In an embodiment of the present invention, the carbon dioxide injection regulating device includes carbon dioxide air accumulator 1, titanium dioxide
Carbon air injector 2, pressure gauge 21, carbon dioxide gas storage tank valve 5, pressure reducing valve 6, switch 7 and gas electronic flowmeter 10, institute
State carbon dioxide air accumulator 1 and be connected with carbon dioxide gas injector 2 by connecting tube 8, the carbon dioxide gas injector 2 with
Reaction kettle 3 is connected by connecting tube 9, and the carbon dioxide gas storage tank valve 5 is set to the top of the carbon dioxide air accumulator 1,
Pressure reducing valve 6 is provided between the carbon dioxide gas storage tank valve 5 and switch 7, the switch 7 is arranged in connecting tube 8, described
Gas electronic flowmeter 10 is set between the connecting tube 9 and reaction kettle carbon dioxide gas injection pipe 31.
In an embodiment of the present invention, the temperature-adjusting device is mainly made of thermostatic bath 12, and when use will be anti-
Kettle bracket 14 is answered to be put into the thermostatic bath 12, reaction kettle 3 is placed into reaction kettle bracket 14.In the embodiment of the present invention
In, the pressure-regulating device includes compression weight 13, and when use, the compression weight 13 was placed in the anti-of 3 top of reaction kettle
It answers on kettle piston 34.
In the present invention, the reaction kettle preferably can compressive reaction kettle, the internal diameter 60mm of the reaction kettle, length
300mm；The reaction kettle is preferably glass material, the present invention using the reaction kettle can reaction directly inside observing response kettle it is existing
As；The reaction kettle upper end be preferably provided with can pressurizing piston, by piston upper add counterweight change reaction kettle inside pressure
Power.
In the present invention, the liquid medicament injector 4 is preferably glass material, and the upper end is preferably provided with piston, the structure
Medical fluid in liquid medicament injector can be pushed into reaction kettle by connecting tube.
The present invention provides the method for the simulation carbonate rock forming environment condition of described device by adopting the above technical scheme, packets
Include following steps:
It is adjusted in described device respectively by carbon dioxide injection regulating device, temperature-adjusting device or pressure-regulating device
Gas concentration lwevel, temperature or pressure, under scheduled gas concentration lwevel, temperature or pressure condition, Xiang Suoshu reaction kettle 3
Sodium carbonate liquor is added in Xiang Suoshu liquid medicament injector 4 for middle addition calcium chloride solution, carries out carbonate salt-forming reaction.
In the present invention, the concentration of the calcium chloride solution is preferably 0.00005mol/mL, and volume is preferably 500mL,；
The concentration of the sodium carbonate liquor is preferably 0.00005mol/mL, and volume is preferably 300mL.In the present invention, the calcium chloride
Solution is preferably directly prepared by seawater as solvent.
In the present invention, the gas concentration lwevel is preferably respectively 0mL/mL, 0.05mL/mL, 0.1mL/mL (i.e. dioxy
The volume for changing carbon injection is respectively 0mL, 25mL, 50mL)；The temperature is preferably respectively 10 DEG C, 30 DEG C, 50 DEG C；The pressure
It is preferred that be respectively 10.13kPa, 20.48kPa, 44.83kPa (i.e. above reaction kettle respectively plus counterweight weight be 0kg, 5kg,
10kg)。
Described in the present invention is adjusted respectively by carbon dioxide injection regulating device, temperature-adjusting device or pressure-regulating device
After gas concentration lwevel, temperature or pressure in device, a small amount of sodium carbonate liquor, observation precipitating shape is added into reaction kettle repeatedly
At process, pass through the quality of calcium carbonate that measurement generates under different gas concentration lwevels, temperature or pressure condition, analysis two
Aoxidize the influence of concentration of carbon, temperature or pressure to the carbonate rock origin cause of formation.In the present invention, the concentration of a small amount of sodium carbonate liquor
Preferably 0.00005mol/mL, volume are preferably 10mL, and the present invention, can be preferably by the way that a small amount of sodium carbonate liquor is added
Observing response effect, the influence convenient for analysis gas concentration lwevel, temperature and pressure to the carbonate rock origin cause of formation.
For better observation experiment phenomenon, in an embodiment of the present invention, three covering devices are specifically used simultaneously, and divide
Gas concentration lwevel, temperature or the pressure of three covering devices are not adjusted.
In an embodiment of the present invention, the method for the gas concentration lwevel for adjusting three covering devices is specially to first set
The reaction kettle of device injects 50mL carbon dioxide, injects 25mL carbon dioxide, third covering device to the reaction kettle of the second covering device
In be not injected into carbon dioxide.After the gas concentration lwevel for adjusting three covering devices, the present invention is repeatedly into the reaction kettle of three covering devices
10mL sodium carbonate liquor is added, until the reaction kettle of the first covering device starts to become cloudy, at this time in the reaction kettle of the second covering device
Have precipitating, the thick precipitating of comparison formd in the reaction kettle of third covering device, stops testing at this time, filtering precipitate,
Drying weighs the quality for generating calcium carbonate, thus prove that the concentration of carbon dioxide can have an impact the formation of carbonate rock, and
The concentration of carbon dioxide is bigger, is more unfavorable for the formation of carbonate rock.
In an embodiment of the present invention, the method for the temperature for adjusting three covering devices is specially the anti-of the first covering device
Kettle is answered to be placed into the thermostatic bath that temperature is 50 DEG C, the reaction kettle of the second covering device is placed into the thermostatic bath that temperature is 30 DEG C
In, the reaction kettle of third covering device is placed into the thermostatic bath that temperature is 10 DEG C.After the temperature for adjusting three covering devices, the present invention
10mL sodium carbonate liquor is added into the reaction kettle of three covering devices repeatedly, until the reaction kettle of third covering device also starts to become muddy
It is turbid, and have precipitating in the reaction kettle of the second covering device, the thick precipitating of comparison has been formd in the reaction kettle of the first covering device,
Stop experiment at this time, filtering precipitate is dried, weighing, be so as to proving temperature to the formation of carbonate rock it is influential,
And temperature is higher, is more conducive to the formation of carbonate rock.
In an embodiment of the present invention, it is described adjust three covering devices pressure method be specially in the first covering device can
On compressive reaction kettle plus 10kg counterweight, the second covering device can be on compressive reaction kettle plus 5kg counterweight, third covering device pressurize
Counterweight is not added on reaction kettle.After the pressure for adjusting three covering devices, 10mL is added into the reaction kettle of three covering devices repeatedly in the present invention
Sodium carbonate liquor until the reaction kettle of the first covering device also starts to become cloudy, but has precipitating in the reaction kettle of the second covering device,
The thick precipitating of comparison has been formd in the reaction kettle of third covering device, stops experiment at this time, filtering precipitate is dried, weighing,
So as to prove that pressure is influential on the formation of carbonate, and pressure is higher, is more unfavorable for the formation of carbonate rock.
Below with reference to embodiment to carbonate rock forming environment condition simulation device provided by the invention and experimental method into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Prepare three covering devices, by evacuated tube to the calcium chloride that same concentration, same volume can be added in compressive reaction kettle
Solution (volume 500mL, concentration 0.00005mol/mL) is separately added into same dense in the liquid medicament injector of three covering devices
The sodium carbonate liquor (volume 300mL, 0.00005mol/mL) of degree, same volume, with connecting tube and switch liquid medicament injector and
Reaction kettle connection similarly connect air injector (carbon dioxide intermediate receptacle) with reaction kettle with connecting tube and switch；?
In three covering devices, evacuated tube switch is closed, 50mL carbon dioxide can be injected in compressive reaction kettle to the first covering device, to second
Covering device can inject 25mL carbon dioxide in compressive reaction kettle, and carbon dioxide is not injected into third covering device, closes reaction kettle
With the switch between carbon dioxide intermediate receptacle；Liquid medicament injector and reaction kettle connection switch are opened, it is same by liquid medicament injector
10mL sodium carbonate liquor is injected in Shi Xiangke compressive reaction kettle, is turned off the switch, and the reacting phenomenon in three covering devices is observed；It opens again
Switch, three covering devices are further continued for injection 10mL sodium carbonate liquor, observing response phenomenon；The operating procedure repeatedly, observation comparison three
The reaction of covering device stops experiment after having observed turbid phenomenon in the first covering device, is generated immediately by sifting weighing
The quality of calcium carbonate analyzes influence of the gas concentration lwevel to the carbonate rock origin cause of formation.
It is carrying out to observe following phenomenon: as liquid medicament injector is continuous in experimentation using the device of the invention
Sodium carbonate liquor is added into reaction kettle for ground, and the solution in the reaction kettle of third covering device becomes cloudy first, other two covering devices
The solution of middle reaction kettle does not have significant change；With the increase of sodium carbonate liquor cumulative injection, the reaction kettle of the second covering device
In solution also start to become cloudy, precipitating is gradually formed in the reaction kettle of third covering device, in the reaction kettle of the first covering device
Solution is still without significant change；Continue to three can compressive reaction kettle moderate injection sodium carbonate liquor, until first suit
The reaction kettle set starts to become cloudy, and can be appreciated that have precipitating in the reaction kettle of the second covering device at this time, the reaction of third covering device
The thick precipitating of comparison has been formd in kettle, stops experiment, filtering precipitate, drying weighing at this time.By comparing three covering devices
(carbonate deposition is micro in the first covering device, almost 0g, in the second covering device about for the weight of the carbonate of middle generation
The precipitating of 0.03g, third set in about 0.05g precipitating), be able to demonstrate that CO2Concentration can have an impact the formation of carbonate,
And the concentration of carbon dioxide is bigger, is more unfavorable for the formation of carbonate rock.
Embodiment 2
Prepare three covering devices, remove the connecting tube between intermediate receptacle and reaction kettle, is added by evacuated tube into reaction kettle
The calcium chloride solution (volume 500mL, concentration 0.00005mol/mL) for entering same concentration, same volume, in three covering devices
Sodium carbonate liquor (the volume 300mL, concentration 0.00005mol/ of same concentration, same volume are separately added into liquid medicament injector
ML), liquid medicament injector is connect with reaction kettle with connecting tube and switch；By the first covering device can compressive reaction kettle be placed into temperature
Degree in 50 DEG C of thermostatic bath, the second covering device can compressive reaction kettle be placed into the thermostatic bath that temperature is 30 DEG C, the
Three covering devices can compressive reaction kettle to be placed into temperature be in 10 DEG C of thermostatic bath；Liquid medicament injector is opened to connect with reaction kettle
Switch is injected the sodium carbonate liquor of 10mL into reaction kettle simultaneously by liquid medicament injector, turned off the switch, and observing response is existing respectively
As；It turns on the switch again, injection 10mL sodium carbonate liquor is further continued in three covering devices, respectively observing response phenomenon；The operation repeatedly
Step, the reaction of observation three covering devices of comparison, stops experimental implementation after turbid phenomenon occurs in third covering device, passes through immediately
Sifting weighing generates the quality of calcium carbonate, analyzes influence of the temperature to the carbonate rock origin cause of formation.
Following phenomenon can be observed during being tested using the device of the invention: as liquid medicament injector is continuous
Sodium carbonate liquor is added into reaction kettle for ground, and the solution in the reaction kettle of the first covering device becomes cloudy first, other two covering devices
The solution of middle reaction kettle does not have significant change；With the increase of sodium carbonate liquor injection rate, in the reaction kettle of the second covering device
Solution also starts to become cloudy, and precipitating, the solution in the reaction kettle of third covering device are gradually formed in the reaction kettle of the first covering device
Still without significant change；Continue to three can compressive reaction kettle moderate injection sodium carbonate liquor, the reaction of third covering device
Kettle also starts to become cloudy, but has precipitating in the reaction kettle of the second covering device, has formd in the reaction kettle of the first covering device
Compare thick precipitating, at this moment stops experiment, filtering precipitate, drying weighing, by comparing the carbonate generated in three covering devices
Weight (the about precipitating of 0.04g in the first covering device, about 0.02g precipitating in the second covering device, in third covering device
Precipitated carbonate is micro, almost 0g), it is able to demonstrate that temperature can have an impact the formation of carbonate, and temperature is higher, more has
Conducive to the formation of carbonate rock.
Embodiment 3
Prepare three covering devices, remove the connecting tube between intermediate receptacle and reaction kettle, is added by evacuated tube into reaction kettle
Enter the calcium chloride solution (volume 500mL, concentration 0.00005mol/mL) of same concentration, same volume, closes evacuated tube and open
It closes；Be separately added into the liquid medicament injector of three covering devices same concentration, same volume sodium carbonate liquor (volume 300mL, it is dense
Degree is 0.00005mol/mL), injecting liquid drug pipe is connect with reaction kettle with connecting tube and switch；In adding for the first covering device
Press on reaction kettle plus 10kg counterweight, the second covering device can be on compressive reaction kettle plus 5kg counterweight, third covering device are not pressurized；It beats
Liquid medicament injector and reaction kettle connection switch are opened, liquid medicament injector while can inject in compressive reaction kettle to three covering devices are passed through
10mL sodium carbonate liquor, turns off the switch, respectively observing response phenomenon；It turns on the switch again, injection 10mL is further continued in three covering devices
Sodium carbonate liquor, difference observing response phenomenon；The operating procedure repeatedly, difference observing response, until the appearance of the first covering device is muddy
Stop experimental implementation after turbid phenomenon, generate the quality of calcium carbonate by sifting weighing immediately, analyzes pressure to the carbonate rock origin cause of formation
Influence.
Following phenomenon can be observed in using apparatus of the present invention experimentation: with liquid medicament injector constantly Xiang Kejia
Be added sodium carbonate liquor in pressure reaction kettle, third covering device can the solution in compressive reaction kettle become cloudy first, other two sets
Device can not have significant change by solution in compressive reaction kettle；With the increase of sodium carbonate liquor injection rate, the second covering device
Can the solution in compressive reaction kettle also start to become cloudy, precipitating, the first covering device are gradually formed in the reaction kettle of third covering device
Can solution in compressive reaction kettle still without significant change；Continuing can compressive reaction kettle moderate injection sodium carbonate to three
Solution, the reaction kettle of the first covering device also start to become cloudy, but have precipitating in the reaction kettle of the second covering device, third covering device
Reaction kettle in formd the thick precipitating of comparison, at this moment stop experiment, filtering precipitate, drying weighing, by comparing three
(carbonate deposition is micro in the first covering device, almost 0g, big in the second covering device for the weight of the carbonate generated in covering device
There are about the precipitating of 0.02g, the about precipitating of 0.05g in third covering device), it is able to demonstrate that pressure can produce the formation of carbonate
It is raw to influence, and pressure is higher, is more unfavorable for the formation of carbonate rock.
As seen from the above embodiment, the present invention provides a kind of carbonate rock cause condition simulator, which can be with
The influence that simulated experiment carbon dioxide content, temperature environment and pressure environment form carbonate rock is the origin cause of formation of carbonate rock
Environmental analysis provides experimental basis.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of carbonate rock forming environment condition simulation experimental provision, which is characterized in that including reaction kettle (3), carbon dioxide
Inject regulating device, temperature-adjusting device, pressure-regulating device and liquid medicament injector (4), reaction kettle bracket (14) and liquid medicine injection
Enter device bracket (15), the top of the reaction kettle (3) is provided with reaction kettle carbon dioxide gas injection pipe (31), exhaust pipe (33)
The bottom of reaction kettle piston (34), the reaction kettle (3) is provided with inlet；The top of the liquid medicament injector (4) is arranged
Have liquid medicament injector piston (41), the bottom of the liquid medicament injector (4) is provided with liquid outlet；The liquid medicament injector goes out liquid
Mouth is connected with the inlet of reaction kettle by connecting tube (11)；The inlet is provided with reaction kettle medical fluid injection pipe switch (32),
The liquid outlet is provided with liquid medicament injector switch (42)；The carbon dioxide injection regulating device and reaction kettle carbon dioxide gas
Body injection pipe (31) is connected, for injecting carbon dioxide into reaction kettle (3)；The pressure-regulating device is used for the reaction
Pressure in kettle (3) is adjusted；The temperature-adjusting device is for being adjusted the temperature in the reaction kettle (3).
2. the apparatus according to claim 1, which is characterized in that the carbon dioxide injection regulating device includes carbon dioxide
Air accumulator (1), pressure gauge (21), carbon dioxide gas storage tank valve (5), pressure reducing valve (6), is opened carbon dioxide gas injector (2)
(7) and gas electronic flowmeter (10) are closed, the carbon dioxide air accumulator (1) is with carbon dioxide gas injector (2) by connecting
It manages (8) to be connected, the carbon dioxide gas injector (2) is connected with reaction kettle (3) by connecting tube (9), the carbon dioxide storage
Gas tank valve (5) is set to the top of the carbon dioxide air accumulator (1), the carbon dioxide gas storage tank valve (5) and switch
(7) it is provided between pressure reducing valve (6), the switch (7) is arranged on connecting tube (8), and the gas electronic flowmeter (10) sets
It is placed between the connecting tube (9) and reaction kettle carbon dioxide gas injection pipe (31).
3. the apparatus according to claim 1, which is characterized in that the temperature-adjusting device includes thermostatic bath (12), is made
Reaction kettle bracket (14) and reaction kettle (3) are placed in the thermostatic bath (12) by the used time.
4. the apparatus according to claim 1, which is characterized in that the pressure-regulating device includes compression weight (13), is made
Compression weight described in used time (13) is placed on the reaction kettle piston (34) on the reaction kettle (3) top.
5. using the method for any one of Claims 1 to 4 described device simulation carbonate rock forming environment condition, including following step
It is rapid:
The reaction kettle (3) are adjusted respectively by carbon dioxide injection regulating device, temperature-adjusting device or pressure-regulating device
Interior gas concentration lwevel, temperature or pressure, under scheduled gas concentration lwevel, temperature or pressure condition, to the reaction
Calcium chloride solution is added in kettle (3), sodium carbonate liquor is added in Xiang Suoshu liquid medicament injector (4), carries out carbonate salt-forming reaction.
6. according to the method described in claim 5, it is characterized in that, the concentration of the calcium chloride solution be 0.00005mol/mL,
Volume is 500mL.
7. according to the method described in claim 5, it is characterized in that, the concentration of the sodium carbonate liquor be 0.00005mol/mL,
Volume is 300mL.
8. according to the described in any item methods of claim 5~7, which is characterized in that the injected slurry volume of the carbon dioxide is
0mL, 25mL or 50mL.
9. according to the described in any item methods of claim 5~7, which is characterized in that the temperature is 10 DEG C, 30 DEG C or 50 DEG C.
10. according to the described in any item methods of claim 5~7, which is characterized in that change the pressure by the way that counterweight is added,
The quality of the counterweight is 0kg, 5kg or 10kg.
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| CN111855965A (en) * | 2020-08-20 | 2020-10-30 | 中国地质科学院岩溶地质研究所 | Karst test device |
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