CN104215571B - Multiphase medium high temperature pressure corrosion Rate Test Method - Google Patents
Multiphase medium high temperature pressure corrosion Rate Test Method Download PDFInfo
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Abstract
The invention provides a kind of multiphase medium high temperature pressure corrosion Rate Test Method, relate to corrosion rate technical field of measurement and test, it is applied to a kind of multiphase medium high temperature pressure corrosion rate test device, method includes: etchant gas and corrosive liquid is each led in gas-liquid stirring device and carries out mix and blend, form gas-liquid mixture, and it is passed through preheater, it is heated to the temperature pre-set；Gas-liquid mixture is injected in high-temperature high-pressure reaction kettle through gas-liquid mixture filling line, and discharges through gas-liquid mixture discharge line, thus form gas-liquid mixture fluid；Changed by the inductance of inductance probe tester, determine the corrosion of metal speed to be detected in gas-liquid mixture corrosion inductance probe.The present invention can solve the problem that corrosion test of the prior art to be only capable of in a static environment and tests, it is difficult to the dynamic environment of simulation down-hole, and the data of test are not accurate enough, and the speed measured is relatively slow, the problem that can only obtain the average corrosion rate of one period of long period.
Description
Technical field
The present invention relates to corrosion rate technical field of measurement and test, particularly relate to a kind of multiphase medium high temperature pressure corrosion speed and survey
Method for testing.
Background technology
Combustion in situ oil recovery is the technology of a kind of effective raising tar productivity, and compared to vapour driving oil recovery oil tech, it can
Apply under harsher formation condition, thus be a kind of thermal recovery technology of heavy crude producing and residual oil etc..Burning oil
During the DP technology of layer, the high temperature and high pressure environment injecting well and producing well is the most severe.Such as, well is injected at point
During fire (such as electric ignition), the temperature of igniting, typically at about 450 DEG C, injects the pit shaft meeting of the oil layer section of well
The high temperature of a period of time occurs.It addition, a certain amount of moisture can be carried to injecting in the air that well injects, then, water,
The steel of oxygen and pit shaft are under the high temperature conditions, it may occur that serious electrochemical corrosion, inject well tubing string high temperature,
May deform under high etching condition and even damage.Additionally, producing well is in oil recovery process, because tail gas contains corrosion gas
Body (carbon dioxide, hydrogen sulfide, the mixture of oxygen), and carry a certain amount of moisture, the fluid-mixing of formation
The steel of producing well will be produced corrosion, and advance with ignition line, tail gas amount and the go temperature of discharge the most gradually go up
Rise, the extent of corrosion of steel will be strengthened.
At present, for the corrosion rate of the steel in the gas-liquid mixed under researching high-temperature high pressure, general corrosion test is equal
Use hanging slice method, will put in the experimental enviroment of static state and slowly corrode by sheet metal to be measured, and root after slowly corrosion
Corrosion rate is determined according to the mass change of sheet metal.Visible, current corrosion test is only capable of testing in a static environment,
Being difficult to simulate the dynamic environment of down-hole, the data of test are not accurate enough, and the speed measured is relatively slow, can only obtain one section
The average corrosion rate of long period.
Summary of the invention
The embodiment of the present invention provides a kind of multiphase medium high temperature pressure corrosion Rate Test Method, to solve in prior art
Corrosion test be only capable of testing in a static environment, it is difficult to simulation down-hole dynamic environment, the data of test are not accurate enough,
And the speed measured is relatively slow, the problem that can only obtain the average corrosion rate of one period of long period.
In order to achieve the above object, the present invention adopts the following technical scheme that
A kind of multiphase medium high temperature pressure corrosion Rate Test Method, is applied to a kind of multiphase medium high temperature pressure corrosion speed
Rate test device, described device includes that gas-liquid stirring device, preheater, connection have the HTHP of magnetic agitation mechanism
Reactor and stretch into the inductance probe tester of described high-temperature high-pressure reaction kettle；The upper end of described high-temperature high-pressure reaction kettle
Connecting has gas-liquid mixture filling line, described gas-liquid mixture filling line to be also connected with described preheater, described height
The lower end of temperature autoclave connects gas-liquid mixture discharge line；
Described multiphase medium high temperature pressure corrosion Rate Test Method includes:
Etchant gas and corrosive liquid are each led in described gas-liquid stirring device and carry out mix and blend, form gas-liquid and mix
Compound；
Described gas-liquid mixture is passed through described preheater, and is heated to the temperature pre-set；
Gas-liquid mixture after heating is injected into described high-temperature high-voltage reaction through described gas-liquid mixture filling line
In still, described magnetic agitation mechanism described gas-liquid mixture is stirred, high-temperature high-pressure reaction kettle is formed gas
Liquid mixture fluid；
Described gas-liquid mixture is discharged through described gas-liquid mixture discharge line；
Changed by the inductance of the described inductance probe tester in described gas-liquid mixture fluid, determine that described gas-liquid is mixed
Corrosion of metal speed to be detected in compound corrosion inductance probe.
It addition, described multiphase medium high temperature pressure corrosion rate test device also includes the band being connected with described agitating device
Bar piston water receptacle and piston with rod oil vessel；Described piston with rod water receptacle connects the first constant-flux pump, described band bar
Piston oil container connects the second constant-flux pump；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, including:
From pond, water is extracted in described piston with rod water receptacle by the first constant-flux pump；
By described piston with rod water receptacle, water is pushed in described gas-liquid stirring device；
From oil storage device, oil is extracted in described piston with rod oil vessel by the second constant-flux pump；
By described piston with rod oil vessel, oil is pushed in described gas-liquid stirring device.
It addition, described multiphase medium high temperature pressure corrosion rate test device also includes the height being connected with described agitating device
Pressure gas reservoir, gas boosting pump, air compressor, air reservoir, test gas storage tank, driving valve, intake valve
And air outlet valve；Wherein, described air compressor is sequentially connected with described air reservoir, drives valve and gas boosting pump；
Described test gas storage tank is connected with described gas boosting pump by described intake valve；Described gas boosting pump is by described
Air outlet valve is connected with described high pressure gas storage tank；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, including:
By in described air compressor compressed air to described air reservoir；
Regulation drives valve and intake valve, is mixed by the test gas in the air in described air reservoir and test gas storage tank
Close, be passed through in described gas boosting pump and carry out supercharging, form described etchant gas；
Described etchant gas is passed through in described high pressure gas storage tank.
Additionally, described multiphase medium high temperature pressure corrosion rate test device also includes being arranged on described high pressure gas storage tank
And the gas flow controller between described agitating device；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, also include:
The gas flow of described agitating device is flowed into by high pressure gas storage tank described in gas flow-control.
Additionally, the outer wall in described magnetic agitation mechanism is provided with the first cooling water pipeline, described first cooling water pipeline
Connected by one first circulating pump and a cooling water tank；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
From described cooling water tank, extract cooling water by described first circulating pump, and will cooling water by described first cold
But water lines.
It addition, be provided with the second cooling water pipeline, described second cooling water pipe in the outside of described high-temperature high-pressure reaction kettle
Road is connected with described cooling water tank by one second circulating pump；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
From described cooling water tank, extract cooling water by described second circulating pump, and will cooling water by described second cold
But water lines.
It addition, described gas-liquid mixture discharge line connects gas-liquid separator；
By described gas-liquid mixture through described gas-liquid mixture discharge line discharge after, including:
By described gas-liquid separator, the gas-liquid mixture discharged from described gas-liquid mixture discharge pipe is separated into waste gas
And waste liquid.
It addition, be provided with on the connecting line of described preheater and described high-temperature high-pressure reaction kettle reactor pressure gauge and
Safety valve；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
The pressure through the manometric gas-liquid mixture of described reactor is monitored in real time by described reactor pressure gauge；
When the threshold value that the pressure of described gas-liquid mixture pre-sets more than, open described safety valve, gas-liquid is mixed
Compound is discharged outside described connecting line.
The multiphase medium high temperature pressure corrosion Rate Test Method that the embodiment of the present invention provides, is mixed by gas-liquid stirring device
Close stirring and can form gas-liquid mixture, and gas-liquid mixture is injected into institute through described gas-liquid mixture filling line
State in high-temperature high-pressure reaction kettle, and discharge through gas-liquid mixture discharge line, so that gas-liquid mixture is at high temperature
Reactor flows, forms gas-liquid mixture fluid, thus simulate dynamic environment.Afterwards, surveyed by inductance probe
The inductance change of examination instrument, determines the corrosion of metal speed to be detected in described gas-liquid mixture corrosion inductance probe, surveys
The speed of amount, it is possible to obtain the corrosion rate of each time period in real time, and changed the corrosion rate determined by inductance
The most accurate.Visible, present application addresses corrosion test of the prior art and be only capable of testing in a static environment, it is difficult to
The dynamic environment of simulation down-hole, the data of test are not accurate enough, and the speed measured is relatively slow, can only obtain one section longer
The problem of the average corrosion rate of time.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart one of the multiphase medium high temperature pressure corrosion Rate Test Method that Fig. 1 provides for the embodiment of the present invention；
The flowchart 2 of the multiphase medium high temperature pressure corrosion Rate Test Method that Fig. 2 provides for the embodiment of the present invention；
Fig. 3 is the structural representation one of the multiphase medium high temperature pressure corrosion rate test device in the embodiment of the present invention；
Fig. 4 is the structural representation of the high-temperature high-pressure reaction kettle in the embodiment of the present invention；
Fig. 5 is the structural representation two of the multiphase medium high temperature pressure corrosion rate test device in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of multiphase medium high temperature pressure corrosion Rate Test Method, as it is shown in figure 1, application
In a kind of multiphase medium high temperature pressure corrosion rate test device 10 as shown in Figure 3, including gas-liquid stirring device 101,
Preheater 102, connection have the high-temperature high-pressure reaction kettle 104 of magnetic agitation mechanism 103 and stretch into high-temperature high-voltage reaction
The inductance probe tester 105 of still 104.It addition, the upper end of high-temperature high-pressure reaction kettle 104 connects gas-liquid mixture
Filling line 106, gas-liquid mixture filling line 106 is also connected with preheater 102, high-temperature high-pressure reaction kettle 104
Lower end connect have gas-liquid mixture discharge line 107.
Wherein, the gas-liquid mixture after preheater 102 can be preheated by gas-liquid mixture filling line 106 is injected into height
In temperature autoclave 104.
Gas-liquid mixture can be stirred by this magnetic agitation mechanism 103.
Gas-liquid mixture can be discharged by gas-liquid mixture discharge line 107.So, by gas-liquid mixture ascending pipe
Gas-liquid mixture is injected by road 106 from high-temperature high-pressure reaction kettle 104 upper end, is stirred by magnetic agitation mechanism 103,
And by gas-liquid mixture discharge line 107, gas-liquid mixture is discharged, it is possible to shape in high-temperature high-pressure reaction kettle 104
Become gas-liquid mixture fluid, thus form gas-liquid mixture dynamic environment.
It addition, this inductance probe tester 105 is for changing by the inductance of inductance probe, determine described gas-liquid mixed
Corrosion of metal speed to be detected in thing corrosion inductance probe.
Above-mentioned multiphase medium high temperature pressure corrosion Rate Test Method, including:
Step 201, etchant gas and corrosive liquid are each led into described gas-liquid stirring device carry out mix and blend,
Form gas-liquid mixture.
Step 202, described gas-liquid mixture is passed through described preheater, and is heated to the temperature pre-set.
Step 203, will heating after gas-liquid mixture be injected into described high temperature through described gas-liquid mixture filling line
In autoclave, described magnetic agitation mechanism described gas-liquid mixture is stirred, at high-temperature high-pressure reaction kettle
Middle formation gas-liquid mixture fluid.
Step 204, described gas-liquid mixture is discharged through described gas-liquid mixture discharge line.
Step 205, changed by the inductance of the described inductance probe tester in described gas-liquid mixture fluid, determine
Corrosion of metal speed to be detected in described gas-liquid mixture corrosion inductance probe.
The multiphase medium high temperature pressure corrosion Rate Test Method that the embodiment of the present invention provides, is mixed by gas-liquid stirring device
Close stirring and can form gas-liquid mixture, and gas-liquid mixture is injected into institute through described gas-liquid mixture filling line
State in high-temperature high-pressure reaction kettle, and discharge through gas-liquid mixture discharge line, so that gas-liquid mixture is at high temperature
Reactor flows, forms gas-liquid mixture fluid, thus simulate dynamic environment.Afterwards, surveyed by inductance probe
The inductance change of examination instrument, determines the corrosion of metal speed to be detected in described gas-liquid mixture corrosion inductance probe, surveys
The speed of amount, it is possible to obtain the corrosion rate of each time period in real time, and changed the corrosion rate determined by inductance
The most accurate.Visible, present application addresses corrosion test of the prior art and be only capable of testing in a static environment, it is difficult to
The dynamic environment of simulation down-hole, the data of test are not accurate enough, and the speed measured is relatively slow, can only obtain one section longer
The problem of the average corrosion rate of time.
Further, as shown in Figure 4, this high-temperature high-pressure reaction kettle 104 includes a protection body 139, this protection set
Body 139 is made up of upper protection set 140 and lower protection set 141.
It is provided with a reactor cylinder 142 among protection body 139.
In this reactor cylinder 142, it is mounted with metal lacing film 143, and is provided with the internal temperature probe 144 of reactor.
Inductance probe 145 and the magnetic stirrer of inductance probe tester 105 also it is inserted with in this reactor cylinder 142
The stirring rod 146 of structure 103.
It addition, as shown in Figure 4, it is connected to gas-liquid mixture filling line in the side of reactor cylinder 142
106 and gas-liquid mixture discharge line 107.It is additionally provided with in the side of this reactor cylinder 142 for for reactor
What cylinder 142 heated adds heat pipe 147 and for measuring the reactor temperature control probe 148 of reactor temperature outside, and this adds
Heat pipe 147 outer wrap has heating mantle 149.It addition, the second cooling water pipeline 128 is looped around reactor cylinder 142
Side.
The upper cover 150 for covering reactor cylinder it is provided with, outside upper cover 150 in the upside of reactor cylinder 142
Side is provided with upper flange lid 151.
The reactor bracing frame 152 for supporting reactor cylinder 142 it is provided with in the downside of reactor cylinder 142,
Reactor bracing frame 152 is fixed on lower protection set 141.
What deserves to be explained is, the material of this high-temperature high-pressure reaction kettle 104 is nickel-molybdenum-chromium-iron-tungsten system nickel-base alloy.Should
Nickel-molybdenum-chromium-iron-tungsten system nickel-base alloy is the most corrosion-resistant, it is possible to bear higher pressure and temperature, such as 50MPa
Operating pressure and the operating temperature of 500 DEG C.The volume of this high-temperature high-pressure reaction kettle 104 is 500ml.
It addition, be also provided with inverse expansion hold down gag (not shown) outside this upper cover 150.By instead
Upper cover 150 can be compressed to expanding hold down gag, it is to avoid high-temperature high-pressure reaction kettle 104 is let out under high temperature and high pressure environment
Dew.
It addition, as shown in Figure 4, between this reactor cylinder 142 and upper cover 150, it is additionally provided with sealing ring 153.
Further, as it is shown in figure 5, this multiphase medium high temperature pressure corrosion rate test device 10 also includes and stirs
Mix piston with rod water receptacle 108 and piston with rod oil vessel 109 that device 101 connects.This piston with rod water receptacle 108
Connecting and have the first constant-flux pump 110, piston with rod oil vessel 109 connects the second constant-flux pump 111.At agitating device 101
And it is provided with first-class adjustable valve 112 on the connecting line between piston with rod water receptacle 108, at agitating device 101
And it is provided with second adjustable valve 113 on the connecting line between piston with rod oil vessel 109.This first constant-flux pump
110 are connected to draw water from pond 114 with pond 114.Second constant-flux pump 111 with oil storage device 115 be connected with
Oil is extracted from oil storage device 115.
It addition, as it is shown in figure 5, this multiphase medium high temperature pressure corrosion rate test device 10 also includes and stirring dress
Put the high pressure gas storage tank 116 of 101 connections, gas boosting pump 117, air compressor 118, air reservoir 119,
Test gas storage tank 120, driving valve 121, intake valve 122 and air outlet valve 123.Wherein, air compressor 118
It is sequentially connected with air reservoir 119, drives valve 121 and gas boosting pump 117.Test gas storage tank 120 pass through into
Air valve 122 is connected with gas boosting pump 117.Gas boosting pump 117 is by air outlet valve 123 and high pressure gas storage tank
116 connect.
This gas boosting pump 117 can be high pressure constant flow pump, but is not only limited to this.This high pressure constant flow pump is double plunger
Structure, flow velocity is adjustable at 0-9.99ml, and this high pressure constant flow pump has the protection pressure in the range of 0-40Mpa.
It addition, as it is shown in figure 5, this multiphase medium high temperature pressure corrosion rate test device 10 also includes being arranged on height
The gas flow controller 124 on access path between pressure gas reservoir 116 and agitating device 101.
It addition, as it is shown in figure 5, this first cooling water pipeline 125 is arranged on the outer wall of magnetic agitation mechanism 103, should
First cooling water pipeline 125 is connected with a cooling water tank 127 by one first circulating pump 126.
It addition, as it is shown in figure 5, be provided with the second cooling water pipeline 128 in the outside of high-temperature high-pressure reaction kettle 104,
Second cooling water pipeline 128 is connected with cooling water tank 127 by one second circulating pump 129.
Further, as it is shown in figure 5, this gas-liquid mixture discharge line 107 connects back-pressure valve 130, back-pressure valve
130 connect back to pressure vessel 131 and gas-liquid separator 132 respectively, and this back pressure container 131 is also associated with backpressure pump 133.
This gas-liquid separator 132 is connected with a waste liquid storage device 134, this backpressure pump 133 and waste gas storage device 135
Connect.
Further, as it is shown in figure 5, arrange on the connecting line of preheater 102 and high-temperature high-pressure reaction kettle 104
Respond still pressure gauge 136 and safety valve 137.When reactor pressure is excessive, safety valve 137 can be opened, with
Avoid the pressure in reactor excessive.Detailed process can be to be monitored in real time through described reaction by reactor pressure gauge
The pressure of the manometric gas-liquid mixture of still.When the threshold value that the pressure of gas-liquid mixture pre-sets more than, open
Described safety valve, discharges gas-liquid mixture outside described connecting line.
Further, as shown in Figure 4, the upper end of this magnetic agitation mechanism 103 is provided with for driving magnetic stirrer
The servomotor 138 of structure 103.
According to the structure shown in above-mentioned Fig. 3, Fig. 4, Fig. 5, the multiphase medium HTHP that the embodiment of the present invention provides
Corrosion rate method of testing, as in figure 2 it is shown, include:
Step 301, from pond, extracted water by the first constant-flux pump in described piston with rod water receptacle.
Step 302, by described piston with rod water receptacle, water is pushed in described gas-liquid stirring device.
Step 303, from oil storage device, extract oil in described piston with rod oil vessel by the second constant-flux pump.
Step 304, by described piston with rod oil vessel, oil is pushed in described gas-liquid stirring device.
Step 305, by described air compressor compressed air to described air reservoir.
Step 306, regulation drive valve and intake valve, by the air in described air reservoir and test gas storage tank
Test gas mixes, and is passed through in described gas boosting pump and carries out supercharging, forms described etchant gas.
Step 307, described etchant gas is passed through in described high pressure gas storage tank.
Step 308, by described in gas flow-control high pressure gas storage tank flow into described agitating device gas
Flow, and with the gas flow controlled, etchant gas is passed through gas-liquid stirring device.
Step 309, etchant gas and corrosive liquid are each led into described gas-liquid stirring device carry out mix and blend,
Form gas-liquid mixture.
Step 310, described gas-liquid mixture is passed through described preheater, and is heated to the temperature pre-set.
Step 311, will heating after gas-liquid mixture be injected into described high temperature through described gas-liquid mixture filling line
In autoclave, described magnetic agitation mechanism described gas-liquid mixture is stirred, at high-temperature high-pressure reaction kettle
Middle formation gas-liquid mixture fluid.
Step 312, described gas-liquid mixture is discharged through described gas-liquid mixture discharge line.
Step 313, changed by the inductance of the described inductance probe tester in described gas-liquid mixture fluid, determine
Corrosion of metal speed to be detected in described gas-liquid mixture corrosion inductance probe.
Step 314, by described gas-liquid separator, the gas-liquid mixture discharged from described gas-liquid mixture discharge pipe is divided
From for waste gas and waste liquid.
It addition, when high-temperature high-pressure reaction kettle works, can be taken out from described cooling water tank by described first circulating pump
Take cooling water, and cooling water is passed through described first cooling water pipeline.By described second circulating pump from described cooling water
Extraction cooling water in case, and cooling water is passed through described second cooling water pipeline.By the first cooling water pipeline and second
Equipment quickly can be cooled down when high-temperature high-pressure reaction kettle works or after work by cooling water pipeline.
The present invention applies specific embodiment principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention；General technology simultaneously for this area
Personnel, according to the thought of the present invention, the most all will change, in sum,
This specification content should not be construed as limitation of the present invention.
Claims (7)
1. a multiphase medium high temperature pressure corrosion Rate Test Method, it is characterised in that be applied to a kind of heterogeneous Jie
Matter high temperature pressure corrosion rate test device, described device includes that gas-liquid stirring device, preheater, connection have magnetic force to stir
Mix the high-temperature high-pressure reaction kettle of mechanism and stretch into the inductance probe tester of described high-temperature high-pressure reaction kettle；Described high temperature
The upper end of autoclave connects gas-liquid mixture filling line, and described gas-liquid mixture filling line is also pre-with described
Hot device connects, and the lower end of described high-temperature high-pressure reaction kettle connects gas-liquid mixture discharge line；
Described multiphase medium high temperature pressure corrosion Rate Test Method includes:
Etchant gas and corrosive liquid are each led in described gas-liquid stirring device and carry out mix and blend, form gas-liquid and mix
Compound；
Described gas-liquid mixture is passed through described preheater, and is heated to the temperature pre-set；
Gas-liquid mixture after heating is injected into described high-temperature high-voltage reaction through described gas-liquid mixture filling line
In still, described magnetic agitation mechanism described gas-liquid mixture is stirred, high-temperature high-pressure reaction kettle is formed gas
Liquid mixture fluid；
Described gas-liquid mixture is discharged through described gas-liquid mixture discharge line；
Changed by the inductance of the described inductance probe tester in described gas-liquid mixture fluid, determine that described gas-liquid is mixed
Corrosion of metal speed to be detected in compound corrosion inductance probe；
Described multiphase medium high temperature pressure corrosion rate test device also includes that the band bar being connected with described agitating device is lived
Plug water receptacle and piston with rod oil vessel；Described piston with rod water receptacle connects the first constant-flux pump, described piston with rod
Oil vessel connects the second constant-flux pump；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, including:
From pond, water is extracted in described piston with rod water receptacle by the first constant-flux pump；
By described piston with rod water receptacle, water is pushed in described gas-liquid stirring device；
From oil storage device, oil is extracted in described piston with rod oil vessel by the second constant-flux pump；
By described piston with rod oil vessel, oil is pushed in described gas-liquid stirring device.
Multiphase medium high temperature pressure corrosion Rate Test Method the most according to claim 1, it is characterised in that
Described multiphase medium high temperature pressure corrosion rate test device also includes the high pressure gas storage being connected with described agitating device
Tank, gas boosting pump, air compressor, air reservoir, test gas storage tank, drive valve, intake valve and give vent to anger
Valve；Wherein, described air compressor is sequentially connected with described air reservoir, drives valve and gas boosting pump；Described examination
Test gas reservoir to be connected with described gas boosting pump by described intake valve；Described gas boosting pump passes through described air outlet valve
It is connected with described high pressure gas storage tank；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, including:
By in described air compressor compressed air to described air reservoir；
Regulation drives valve and intake valve, is mixed by the test gas in the air in described air reservoir and test gas storage tank
Close, be passed through in described gas boosting pump and carry out supercharging, form described etchant gas；
Described etchant gas is passed through in described high pressure gas storage tank.
Multiphase medium high temperature pressure corrosion Rate Test Method the most according to claim 2, it is characterised in that
Described multiphase medium high temperature pressure corrosion rate test device also includes that being arranged on described high pressure gas storage tank stirs with described
Mix the gas flow controller between device；
Etchant gas and corrosive liquid being each led into, described gas-liquid stirring device carries out mix and blend, form gas-liquid
Before mixture, also include:
The gas flow of described agitating device is flowed into by high pressure gas storage tank described in gas flow-control.
4., according to the multiphase medium high temperature pressure corrosion Rate Test Method described in any one of claim 1-3, it is special
Levying and be, the outer wall in described magnetic agitation mechanism is provided with the first cooling water pipeline, and described first cooling water pipeline leads to
Cross one first circulating pump and a cooling water tank connects；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
From described cooling water tank, extract cooling water by described first circulating pump, and will cooling water by described first cold
But water lines.
Multiphase medium high temperature pressure corrosion Rate Test Method the most according to claim 4, it is characterised in that
Be provided with the second cooling water pipeline in the outside of described high-temperature high-pressure reaction kettle, described second cooling water pipeline is by one the
Two circulating pumps are connected with described cooling water tank；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
From described cooling water tank, extract cooling water by described second circulating pump, and will cooling water by described second cold
But water lines.
Multiphase medium high temperature pressure corrosion Rate Test Method the most according to claim 5, it is characterised in that
Described gas-liquid mixture discharge line connects gas-liquid separator；
By described gas-liquid mixture through described gas-liquid mixture discharge line discharge after, including:
By described gas-liquid separator, the gas-liquid mixture discharged from described gas-liquid mixture discharge pipe is separated into waste gas
And waste liquid.
Multiphase medium high temperature pressure corrosion Rate Test Method the most according to claim 6, it is characterised in that
The connecting line of described preheater and described high-temperature high-pressure reaction kettle is provided with reactor pressure gauge and safety valve；
Described multiphase medium high temperature pressure corrosion Rate Test Method, also includes:
The pressure through the manometric gas-liquid mixture of described reactor is monitored in real time by described reactor pressure gauge；
When the threshold value that the pressure of described gas-liquid mixture pre-sets more than, open described safety valve, gas-liquid is mixed
Compound is discharged outside described connecting line.
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| CN105300873A (en) * | 2015-10-21 | 2016-02-03 | 中国石油化工股份有限公司 | Testing method and device for titanium alloy corrosivity under different ozone concentrations |
| ES2586287B2 (en) * | 2016-07-11 | 2017-01-26 | Universidad Complutense De Madrid | Installation and procedure for testing components and melts subjected to temperature and pressure cycles in a reactor cooled and agitated by three-dimensional rotor |
| CN106226227A (en) * | 2016-07-12 | 2016-12-14 | 中国石油化工股份有限公司 | Corrosion rate tester under a kind of ozone environment |
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