CN203658228U - Experimental system for trace impurity supplementary for high-temperature high-pressure experiments - Google Patents
Experimental system for trace impurity supplementary for high-temperature high-pressure experiments Download PDFInfo
- Publication number
- CN203658228U CN203658228U CN201320865316.8U CN201320865316U CN203658228U CN 203658228 U CN203658228 U CN 203658228U CN 201320865316 U CN201320865316 U CN 201320865316U CN 203658228 U CN203658228 U CN 203658228U
- Authority
- CN
- China
- Prior art keywords
- pressure
- gas
- experimental system
- temperature
- reaction kettle
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to an experimental system for trace impurity supplementary for high-temperature high-pressure experiments. The experimental system comprises a mixed gas bottle, a booster pump, an air compressor, a high-pressure storage tank, a high-pressure liquid metering pump, a high-temperature high-pressure reaction kettle and an alkaline liquid absorption tank, wherein the mixed gas bottle is connected with a gas inlet of the booster pump by a mixed gas output pipeline; the air compressor is connected with a power input opening of the booster pump by a power input pipeline; the booster pump is connected with a gas inlet of the high-pressure storage tank by a booster input pipeline; a gas outlet of the high-pressure storage tank is connected with a gas inlet of the high-temperature high-pressure reaction kettle by an impurity gas supplement pipeline; the high-pressure liquid metering pump is connected with a liquid inlet of the high-temperature high-pressure reaction kettle by a liquid input pipeline; a gas outlet of the high-temperature high-pressure reaction kettle is connected with a gas inlet of the alkaline liquid absorption tank by a gas exhaust pipeline; a gas outlet of the alkaline absorption tank is connected with a purified gas exhaust pipeline. The experimental system provided by the utility model can stably supply impurity gases to a corrosion reaction system, and prevents the problem of pressure instability.
Description
Technical field
The utility model belongs to corrosion experimental device field, particularly, relate to a kind of for the supplementary experimental system of high temperature and pressure experiment trace impurity, for high temperature and high pressure experimentation, gas sustainable or intermittently supplement trace and micro-moisture.
Background technology
Carbon trapping and (Carbon Capture and Storage the is called for short CCS) technology of sealing up for safekeeping are the cutting edge technologies that has of potentiality and slow down greenhouse gas emission.This technology is by the CO of trapping
2inject Oil/gas Well and improve the rate of oil and gas recovery (CO
2-EOR), applied more than 30 year in the U.S., and domestic CNPC and Sinopec have been carried out and have been utilized CO at multiple oil gas fields
2the guiding experiment that improves oil recovery rate, has all obtained good effect.CO
2carry as CO
2from trapping to the intermediate hub on storage ground, be one of gordian technique of carbon sequestration.Medium and long distance is carried CO on a large scale
2generally by CO
2separate and be compressed to supercriticality (CO
2critical point: 31.06 ℃, 7.38MPa) after utilize pipeline to carry, be most economical, effective method.But, supercritical CO
2the internal corrosion problem of conveyance conduit is one of key factor of restriction CCS development and application.At supercritical CO
2in corrosion environment, CO
2main body, minor amount of water wherein, O
2, SO
x, NO
xit is the principal element of bringing out corrosive pipeline Deng impurity.
At present, lab simulation supercritical CO
2conveyance conduit corrosion experiment generally all carries out in high-temperature high-pressure reaction kettle.Due to supercritical CO
2the H containing in gas
2o, O
2, SO
x, NO
xconcentration Deng impurity is very low, and in experimentation, moisture and foreign gas constantly consume, and must cause that concentration reduces or approach exhaustion, is difficult to determine the length of this consumption process.Report from current research, no matter experimental period length, because trace impurity is supplementary more difficult, people often ignore the variation of impurity concentration to the impact of corroding, and acquiescence concentration within whole experimental period does not change, therefore, the accuracy of the experimental result obtaining is worth discussion, and especially long period experiment, to the corrosion later stage, impurity concentration reduces, and must cause the distortion of corrosion rate.Especially, water is the key factor of impact corrosion, works as reduced water content, even, after approach exhaustion, lacks enough moisture, and corrosion reaction will stop, and have a strong impact on corrosion experiment result.Due to supercritical CO
2the corrosion environment of conveyance conduit in a kind of high pressure, will reach this supercriticality in simulating lab test process, often needs with supercharge pump, gas to be increased in high-temperature high-pressure reaction kettle.But adopting supercharge pump supercharging is the process of a lasting supercharging, reaches after setup pressure value, cannot maintain pressure stability.Therefore it is infeasible, directly using supercharge pump to continue to supplement foreign gas or maintain pressure stability.In addition, need, before high temperature and pressure experiment starts, in advance water be added in high-temperature high-pressure reaction kettle, carry out, in process, can not dismantling high-temperature high-pressure reaction kettle in experiment, therefore, in whole experimentation, cannot in reactor, keep the skin wet.These factors may finally cause the distortion of experimental data above, thereby cause conservative experimental result.
Utility model content
In order to overcome the deficiencies in the prior art, it is a kind of for the supplementary experimental system of high temperature and pressure experiment trace impurity that the utility model provides; Coordinate with Pressure-stabilizing pressure reducing table by high pressure storage tank, in operating high-temperature high-pressure reaction kettle, continue or intermittently supplementary foreign gas; By highly pressurised liquid volume pump, to the moisture of supplement trace in operating high-temperature high-pressure reaction kettle.
For achieving the above object, the utility model adopts following scheme:
For the supplementary experimental system of high temperature and pressure experiment trace impurity, comprising: mix gas cylinder, supercharge pump, air compressor machine, high pressure storage tank, highly pressurised liquid volume pump, high-temperature high-pressure reaction kettle, alkali liquor absorption pond;
Mixing gas cylinder is connected with the air intake opening of supercharge pump by mixed gas export pipeline;
Air compressor machine is connected with the power input port of supercharge pump by power intake pipeline, and supercharge pump connects the air intake opening of high pressure storage tank by supercharging intake pipeline;
The gas outlet of high pressure storage tank is made up line and is connected with high-temperature high-pressure reaction kettle air intake opening by foreign gas;
Highly pressurised liquid volume pump is connected with high-temperature high-pressure reaction kettle liquid inlet by liquid input tube line;
High-temperature high-pressure reaction kettle gas outlet is connected with alkali liquor absorption pond air intake opening by gas outlet pipe line,
Gas outlet, alkali liquor absorption pond is connected with Purge gas vent line.
With respect to prior art, the utlity model has following advantage:
1, can be stable to supplementing foreign gas in corrosion reaction system: in high pressure storage tank, squeeze in advance the foreign gas higher than experiment set pressure.By regulating Pressure-stabilizing pressure reducing table output pressure, can maintain pressure stability.
2, effectively avoid the pressure transient problem that directly caused to supercharging in high-temperature high-pressure reaction kettle by supercharge pump.Solve conventional high-temperature high-pressure reaction kettle in experimentation, problem that cannot supplement trace moisture.
3, this experimental system is easy to operate, is all suitable for for long and short cycle corrosion experiment, and corrosion reaction system is not exerted an influence, and can effectively improve the accuracy of experimental result.
Accompanying drawing explanation
Fig. 1 is the experimental system supplementary for high temperature and pressure experiment trace impurity.
Embodiment
As shown in Figure 1, for the supplementary experimental system of high temperature and pressure experiment trace impurity, comprising: mix gas cylinder 1, supercharge pump 2, air compressor machine 3, high pressure storage tank 4, highly pressurised liquid volume pump 5, high-temperature high-pressure reaction kettle 6, alkali liquor absorption pond 7.
Mix in gas cylinder 1 mixed gas containing trace impurity for experiment is housed, mix gas cylinder 1 and be connected with the air intake opening of supercharge pump 2 by mixed gas export pipeline 12, mixing gas cylinder 1 provides foreign gas by mixed gas export pipeline 12 to supercharge pump 2 air intake openings; Mixed gas export pipeline 12 is provided with decompression table 121, and decompression table 121 is controlled the atmospheric pressure that goes out that mixes gas cylinder 1.
Air compressor machine 3 is connected with the power input port of supercharge pump 2 by power intake pipeline 23, and air compressor machine 3 provides driving force to increasing pump 2.
Supercharge pump 2 connects the air intake opening of high pressure storage tank 4 by supercharging intake pipeline 24, supercharge pump 2 should have good acid-resistant corrosion and sealing, and high pressure storage tank 4 is made up of stainless steel.The gas outlet of high pressure storage tank 4 is made up line and 46 is connected with high-temperature high-pressure reaction kettle 6 air intake openings by foreign gas, and foreign gas makes up line and 46 is provided with Pressure-stabilizing pressure reducing table 461.In high pressure storage tank 4, be equipped with and increase the poly-doped impurity gas higher than experiment set pressure that pump 2 is pressed into.Regulate Pressure-stabilizing pressure reducing table 461 to experiment set pressure, make up line 46 to stable output gas in high-temperature high-pressure reaction kettle 6 by foreign gas.
Highly pressurised liquid volume pump 5 is connected with high-temperature high-pressure reaction kettle 6 liquid inlets by liquid input tube line 56.Liquid input tube line 56 ends should be processed into taper, are coated with coating of wax at cone point, guarantee that droplet size is stable.The time of inputting by metering liquid is controlled liquid input quantity.
High-temperature high-pressure reaction kettle 6 gas outlets are connected with alkali liquor absorption pond 7 air intake openings by gas outlet pipe line 67, and gas outlet pipe line 67 is provided with exhaust and regulates decompression table 671.Regulate exhaust to regulate decompression table 671, slowly exhaust (1 second 2～3 bubble), guarantees gas circulation in high-temperature high-pressure reaction kettle 6, realizes supplementing of foreign gas in experimentation.
7 gas outlets, alkali liquor absorption pond are connected with Purge gas vent line 8, and Purge gas vent line 8 is discharged purified gas, protection of the environment.
Mixed gas export pipeline 12, supercharging intake pipeline 24, foreign gas make up line 46, liquid input tube line 56, gas outlet pipe line 67, Purge gas vent line 8 are made by stainless steel.
The utility model device is mainly used for supplementing of trace impurity in high temperature and pressure experiment, the poly-doped impurity gas higher than experiment set pressure storing in high pressure storage tank, by regulating the stable output of Pressure-stabilizing pressure reducing table gas, guarantee in experimentation to continue in high-temperature high-pressure reaction kettle or stable supplementary foreign gas intermittently.Test required micro-moisture, by regulating highly pressurised liquid volume pump, be supplemented to as required in experimental system.Like this, after impurity concentration reduces in high temperature and pressure experiment process, can be supplemented in time, be maintained the stable of impurity concentration in whole experimentation, reduce impurity concentration and change the impact on corrosion process, be guaranteed the accuracy of experimental result.
Claims (7)
1. for the supplementary experimental system of high temperature and pressure experiment trace impurity, comprising: mix gas cylinder, supercharge pump, air compressor machine, high pressure storage tank, highly pressurised liquid volume pump, high-temperature high-pressure reaction kettle, alkali liquor absorption pond; It is characterized in that:
Mixing gas cylinder is connected with the air intake opening of supercharge pump by mixed gas export pipeline;
Air compressor machine is connected with the power input port of supercharge pump by power intake pipeline, and supercharge pump connects the air intake opening of high pressure storage tank by supercharging intake pipeline;
The gas outlet of high pressure storage tank is made up line and is connected with high-temperature high-pressure reaction kettle air intake opening by foreign gas;
Highly pressurised liquid volume pump is connected with high-temperature high-pressure reaction kettle liquid inlet by liquid input tube line;
High-temperature high-pressure reaction kettle gas outlet is connected with alkali liquor absorption pond air intake opening by gas outlet pipe line,
Gas outlet, alkali liquor absorption pond is connected with Purge gas vent line.
2. according to claim 1 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: mixed gas export pipeline is provided with decompression table.
3. according to claim 1 and 2 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: foreign gas makes up line and is provided with Pressure-stabilizing pressure reducing table.
4. according to claim 1 and 2 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: gas outlet pipe line is provided with exhaust and regulates decompression table.
5. according to claim 1 and 2 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: liquid input tube line end should be processed into taper, be coated with coating of wax at cone point.
6. according to claim 1 and 2 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: mixed gas export pipeline, supercharging intake pipeline, foreign gas make up line, liquid input tube line, gas outlet pipe line, Purge gas vent line are made by stainless steel.
7. according to claim 1 and 2 for the supplementary experimental system of high temperature and pressure experiment trace impurity, it is characterized in that: high pressure storage tank is made up of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865316.8U CN203658228U (en) | 2013-12-25 | 2013-12-25 | Experimental system for trace impurity supplementary for high-temperature high-pressure experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865316.8U CN203658228U (en) | 2013-12-25 | 2013-12-25 | Experimental system for trace impurity supplementary for high-temperature high-pressure experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203658228U true CN203658228U (en) | 2014-06-18 |
Family
ID=50924605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865316.8U Expired - Fee Related CN203658228U (en) | 2013-12-25 | 2013-12-25 | Experimental system for trace impurity supplementary for high-temperature high-pressure experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203658228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712905A (en) * | 2013-12-25 | 2014-04-09 | 中国石油大学(华东) | Experimental system for supplementing trace impurity in high-temperature high-pressure experiment |
-
2013
- 2013-12-25 CN CN201320865316.8U patent/CN203658228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712905A (en) * | 2013-12-25 | 2014-04-09 | 中国石油大学(华东) | Experimental system for supplementing trace impurity in high-temperature high-pressure experiment |
| CN103712905B (en) * | 2013-12-25 | 2016-03-23 | 中国石油大学(华东) | For the experimental system that trace impurity in high temperature and pressure experiment supplements |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201988343U (en) | Ammonia gas and air Venturi mixer | |
| CN202128943U (en) | Extraction plant system for supercritical fluid | |
| CN202924978U (en) | Methane purifying and generation control device | |
| CN202105453U (en) | Recycling device for discharged vapor of deaerator | |
| CN203658228U (en) | Experimental system for trace impurity supplementary for high-temperature high-pressure experiments | |
| CN103712905B (en) | For the experimental system that trace impurity in high temperature and pressure experiment supplements | |
| CN216894365U (en) | Automatic concentrated dissolved oxygen injection system for in-situ leaching uranium mining | |
| CN202451477U (en) | Jetting type heat pump without receiving chamber | |
| CN201416462Y (en) | Vacuum steam recovery device for steam turbine | |
| CN203658227U (en) | Device for replenishing gas in ultrahigh-pressure experiment process | |
| CN203625363U (en) | Positive pressure protection device for methane tank | |
| CN203678225U (en) | Experimental apparatus for recovering light-emitting diode LED discharged waste ammonia gas as ammonia water | |
| CN201310748Y (en) | Device capable of making nitrogen stably output | |
| CN201848194U (en) | Tail gas recovering device for mechanical ammonia water clarifying tank | |
| CN207413098U (en) | Utilize the device of carbon dioxide in water phase after Analytic Tower recycling biogas high-pressure washing | |
| CN201605658U (en) | Anti-precipitation device of sewage box | |
| CN202107215U (en) | Pneumatic oil pumping device | |
| CN205760542U (en) | A kind of pre-desulfurizer of anaerobic fermentation | |
| CN204627797U (en) | A kind of gas electricity unit blending LNG fuel apparatus | |
| CN104064789A (en) | Fuel cell feeding circulating system structure | |
| CN204815735U (en) | Steam condensate's comprehensive utilization device in fluorine carbon alkane apparatus for producing | |
| CN204469540U (en) | A kind of automatic water-replenishing device of desulfurizer humidifier | |
| CN202415180U (en) | Ammonia water tank discharge air centralized recovery device | |
| CN216986993U (en) | Three-stage flash evaporation absorption gas stripping device for separating CO | |
| CN204312038U (en) | A kind of steam heat note and anaerobic tail gas airlift unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |