CN109395671A - A kind of bypass monitoring device of gas-liquid-solid phase reaction and its application in carbon dioxide mineral are sealed up for safekeeping - Google Patents
A kind of bypass monitoring device of gas-liquid-solid phase reaction and its application in carbon dioxide mineral are sealed up for safekeeping Download PDFInfo
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- CN109395671A CN109395671A CN201811435068.7A CN201811435068A CN109395671A CN 109395671 A CN109395671 A CN 109395671A CN 201811435068 A CN201811435068 A CN 201811435068A CN 109395671 A CN109395671 A CN 109395671A
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
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- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
- G01N2009/006—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis vibrating tube, tuning fork
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Abstract
The present invention relates to a kind of bypass monitoring devices of gas-liquid-solid phase reaction, including horizontal cylindrical monitoring cavity, eccentric reducer, tuning fork densitometer and a pH meter, it monitors the vertical direction above cavity and is equipped with densitometer placement pipe, it places in pipe and plugs tuning fork densitometer, densimeter measurement end is protruded into monitoring cavity, densitometer places side wall above pipe and is equipped with gas phase branch pipe, the gas phase branch pipe other end is connected to phase reactor, it monitors vertical direction below cavity and is equipped with discharge nozzle, discharging bottom of the tube is connected to phase reactor；Monitoring cavity wall is connected to the big head section of eccentric reducer, and the small head section of eccentric reducer is connected to phase reactor；PH meter is set above monitoring cavity and places pipe, is inside inserted with pH meter.The device can be with the solid-liquid ratio of accurate measurements reaction system, pH value, and can be sampled by sample tap, carries out constituent analysis, moreover it is possible to realize the scale removal and cleaning to tuning fork densitometer and pH meter, improve the safety and accuracy of technique.
Description
Technical field
The present invention relates to a kind of bypass monitoring device of gas-liquid-solid phase reaction and its in carbon dioxide mineral are sealed up for safekeeping
Using belonging to technical field of chemical industry.
Background technique
In chemical industry, there are many reactions to be related to gas-liquid-solid phase reaction process, in the system of these reactions, usually
It needs to carry out Accurate Analysis to solid-liquid ratio and aqueous solution ingredient to judge reaction process.For example, in order to closely follow world trends
Support national low-carbon emission reduction strategy, Zhao Liang etc. develop provide it is a kind of with magnesium chloride seal up for safekeeping industrial smoke (such as: cement plant flue gas,
Coal steam-electric plant smoke etc.) in carbon dioxide, and be used to prepare light magnesium carbonate co-production ammonium chloride method.This method passes through liquid
Ammonia adjusts pH value of solution to absorb the carbon dioxide in industrial smoke, reacts the magnesium carbonate ammonium hydrate crystal of generation and produces to be intermediate
Object prepares light magnesium carbonate by refining magnesium ammonium bicarbonate hydrate.It is needed in magnesium carbonate ammonium hydrate during the process implementing
Between product production and light magnesium carbonate subtractive process in realize gas-liquid-solid phase reaction process, need to the process solid-liquid ratio
And the Accurate Analysis of aqueous solution ingredient may determine that reaction process, to promote separative efficiency.
Up to now, common solid-liquid ratio monitoring means is tuning fork densitometer, and common pH monitoring means is pH
Meter.Densitometer tuning fork is protected with meshed demister to avoid influence of the bubble to density measure from being commonly designed, so
And in the reaction system for thering is solid to be formed, solid matter can block demister mesh, cause monitoring error.Furthermore densitometer
With the surface pH can also fouling, generate measurement error.There is not cleaning program also for tuning fork densitometer, and the cleaning side that pH meter is common
Case is retractable guard, and when cleaning will clean in pH retraction sheath, and mechanism construction is complicated, poor reliability.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, a kind of bypass monitoring dress of gas-liquid-solid phase reaction is provided
It sets, which can be with solid-liquid ratio, pH value and the chemical constituent of accurate measurements reaction system.
Technical solution
A kind of bypass monitoring device of gas-liquid-solid phase reaction, it is different including horizontal cylindrical monitoring cavity, a bias
Diameter pipe, tuning fork densitometer and pH meter, the vertical direction monitored above cavity are equipped with densitometer and place pipe, and densitometer is placed
The bottom of pipe is connected to monitoring cavity, and densitometer places pipe top entry and is inserted with tuning fork densitometer, the measurement of tuning fork densitometer
End is protruded into monitoring cavity；The top side wall that the densitometer places pipe is equipped with gas phase branch pipe, gas phase branch pipe one end and densitometer
Pipe connection is placed, the other end is connected to by ball valve and pipeline with gas-liquid-solid phase reaction device；It is vertical below the monitoring cavity
Direction is equipped with discharge nozzle, is connected at the top of discharge nozzle with monitoring cavity, discharging bottom of the tube is connected to gas-liquid-solid phase reaction device；Institute
The side side wall for stating monitoring cavity is connected to the big head section of eccentric reducer, and the small head section of eccentric reducer passes through pipeline and wriggling
Pump is connected to gas-liquid-solid phase reaction device；It is equipped with pH meter above the monitoring cavity and places pipe, pH meter places pipe and monitoring cavity
Connection, pH meter are placed in pipe and are inserted with pH meter；The monitoring cavity obliquely downward is equipped with sample tap.
Further, the axis of the eccentric reducer places the axis of pipe perpendicular to densitometer.
Further, the ratio of the small head section internal diameter of the eccentric reducer and big head section internal diameter is 1:(2-2.5).
Further, the major part segment length of the eccentric reducer is not less than 30cm.
Further, the height that the densitometer places pipe is not less than 50cm.
Further, it is 10-20mm that the tuning fork densitometer and densitometer, which place the gap between the tube wall of pipe,.
Further, big head section phase of the measurement end of the tuning fork densitometer in the monitoring intracorporal position of chamber and eccentric reducer
It is right.
Application of the above-mentioned apparatus in carbon dioxide mineral are sealed up for safekeeping.During magnesium processes carbon dioxide mineral are sealed up for safekeeping, magnesium carbonate ammonium water
It closes gas-liquid-solid three-phase in the production and light magnesium carbonate subtractive process of object intermediate product and deposits, by introducing reaction mixture
Above-mentioned apparatus can exclude low-density bubble to liquid-solid mixture, it can be achieved that real-time, the stabilization of gas phase and solid liquid phase separate after separation
The accurate measurements of solid-liquid ratio are realized in the interference of density measure.
Application method the following steps are included:
(1) gas-liquid-solid three-phase mixture is pumped into from gas-liquid-solid phase reaction device by eccentric reducer, gas-liquid by peristaltic pump
Gu gas phase moves upwards, and liquid phase and solid phase are downward along tube wall when big head section flowing of the three-phase mixture in eccentric reducer
The separation of gas phase and liquid phase and solid phase is realized in movement；
(2) it after the gas phase after separating enters monitoring cavity, is put into the densitometer on the vertical direction above monitoring cavity
Pipe is set, is then flowed out from gas phase branch pipe, gas-liquid-solid phase reaction device is returned；The liquid phase and solid phase separated from eccentric reducer
Mixture is collected in monitoring cavity, and the measurement end of tuning fork densitometer passes through densitometer placement pipe and extend into the monitoring intracorporal liquid of chamber
Mutually and in the mixture of solid phase, density measure is carried out；PH meter is placed pipe by the pH meter on monitoring cavity and is protruded into monitoring cavity
Liquid phase and solid phase mixture in, carry out pH measurement；Sample tap by monitoring cavity obliquely downward releases liquid phase and solid phase
Mixture carries out composition detection；
(3) after measuring, the mixture of liquid phase and solid phase returns to gas-liquid-solid three by the discharge nozzle below monitoring cavity
Phase reaction device；
(4) in gas-liquid-solid phase reaction device after reaction, reaction mixture is discharged, the pump in gas-liquid-solid phase reaction device
Enter the dilute hydrochloric acid of 1-5%, dilute hydrochloric acid is then pumped by monitoring cavity by peristaltic pump, to the measurement end and pH meter of tuning fork densitometer
Measurement end cleaned.
Beneficial effects of the present invention:
(1) the present invention provides a kind of bypass monitoring devices of gas-liquid-solid phase reaction, can be anti-with accurate measurements using it
Solid-liquid ratio, the pH value of system are answered, and can be sampled by sample tap, constituent analysis is carried out；
(2) device can realize scale removal and cleaning to tuning fork densitometer and pH meter, avoid monitoring for a long time, fouling is covered
Measurement error caused by cover sensor surface improves the safety and accuracy of technique；
(3) device can realize the real time sample to confined reaction tank, realize quick analysis and judgement to reaction process；
(4) it is raw to can be applicable to magnesium carbonate ammonium hydrate intermediate product in magnesium processes carbon dioxide mineral resources chemical industry skill for the device
Gas phase is separated with real-time, the stabilization of liquid-solid phase in gas-liquid-solid three-phase mixture in production and light magnesium carbonate subtractive process, is separated
Interference of the low-density bubble to liquid-solid mixture density measure can be excluded afterwards, realize the accurate measurements of solid-liquid ratio, it is accurate to carry out
The judgement on separation of solid and liquid opportunity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bypass monitoring device of gas-liquid-solid phase reaction of the invention；
Wherein, 1- monitors cavity；2- densitometer places pipe；3- gas phase branch pipe；4- discharge nozzle；5- eccentric reducer；6-pH
Meter places pipe；7-pH meter；8- sample tap；9- peristaltic pump；10- tuning fork densitometer；11- ball valve；12- gas-liquid-solid phase reaction device.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the contents of the present invention are further illustrated.
Embodiment 1
Such as Fig. 1, a kind of bypass monitoring device of gas-liquid-solid phase reaction, including a horizontal cylindrical monitoring cavity 1,
Eccentric reducer 5, tuning fork densitometer 10 and pH meter 7, the vertical direction of 1 top of monitoring cavity are equipped with densitometer and place pipe
2, the bottom that densitometer places pipe 2 is connected to monitoring cavity 1, and densitometer places 2 top entry of pipe and is inserted with tuning fork densitometer 10,
The measurement end of tuning fork densitometer 10 protrudes into monitoring cavity 1；The top side wall that the densitometer places pipe 2 is equipped with gas phase branch pipe 3,
3 one end of gas phase branch pipe is placed pipe 2 with densitometer and is connected to, and the other end is connected by ball valve 11 and pipeline and gas-liquid-solid phase reaction device 12
It is logical；The vertical direction of 1 lower section of monitoring cavity is equipped with discharge nozzle 4, and 4 top of discharge nozzle is connected to monitoring cavity 1, discharge nozzle
Bottom is connected to by ball valve 11 and pipeline with gas-liquid-solid phase reaction device 12；The side side wall and bias of the monitoring cavity 1 are different
The big head section of diameter pipe 5 is connected to, and the small head section of eccentric reducer 5 is connected by pipeline and peristaltic pump 9 and gas-liquid-solid phase reaction device 12
It is logical；It is equipped with pH meter above the monitoring cavity 1 and places pipe 6, pH meter is placed pipe 6 and is connected to monitoring cavity 1, and pH meter is placed in pipe 6
It is inserted with pH meter 7；1 obliquely downward of monitoring cavity is equipped with sample tap 8.
The axis of the eccentric reducer 5 places the axis of pipe 2 perpendicular to densitometer；The microcephaly of the eccentric reducer 5
The ratio of section internal diameter and big head section internal diameter is 1:2.5；The major part segment length of the eccentric reducer is 30cm；The densitometer is put
Set the height 50cm of pipe；It is 10mm that the tuning fork densitometer and densitometer, which place the gap between the tube wall of pipe, and the tuning fork is close
The measurement end for spending meter is opposite with the big head section of eccentric reducer in the monitoring intracorporal position of chamber.
Above-mentioned apparatus is applied to during carbon dioxide mineral seal up for safekeeping, application method:
(1) it is vertical that the reaction solution 5 containing 1M ammonium chloride, 0.2M magnesium chloride is packed into 8 cubes of gas-liquid-solid phase reaction device
Side, blasts the flue gas containing 15% carbon dioxide with 300 sides flow hourly, while ammonia is added and makes reacting liquid pH value
9 are maintained at, being passed through recirculated cooling water makes reaction temperature be maintained at 60 DEG C；Start peristaltic pump, by peristaltic pump by gas-liquid-solid three-phase
Mixture is pumped into eccentric reducer (being pumped into flow is 5L/min) from gas-liquid-solid phase reaction device, and gas-liquid-solid three-phase mixture is inclined
When big head section in heart reduced pipe flows, gas phase is moved upwards, and liquid phase and solid phase are moved downward along tube wall, realizes gas phase and liquid
The separation of phase and solid phase；
(2) it after the gas phase after separating enters monitoring cavity, is put into the densitometer on the vertical direction above monitoring cavity
Pipe is set, is then flowed out from gas phase branch pipe, gas-liquid-solid phase reaction device is returned；The liquid phase and solid phase separated from eccentric reducer
Mixture is collected in monitoring cavity, and the measurement end of tuning fork densitometer passes through densitometer placement pipe and extend into the monitoring intracorporal liquid of chamber
Mutually and in the mixture of solid phase, density measure is carried out；PH meter is placed pipe by the pH meter on monitoring cavity and is protruded into monitoring cavity
Liquid phase and solid phase mixture in, carry out pH measurement；Sample tap by monitoring cavity obliquely downward releases liquid phase and solid phase
Mixture carries out composition detection；
When not being bubbled, it is pure solution, relative density 1.015, pH value 4.457 that densitometer, which monitors reaction solution,.
After being bubbled, before there is solid in reaction, relative density 1.013, pH 9.101.Go out after reaction in 0.5 hour
Existing solid, relative density reading is gradually increasing at this time, rises to 1.217 from 1.013, theoretical solid content 29.8%.Pass through at this time
Sample tap on device takes 1L solidliquid mixture, dries after suction filtration, obtains 328 grams of solid, surveys solid content 27%；
(3) after measuring, the mixture of liquid phase and solid phase returns to gas-liquid-solid three by the discharge nozzle below monitoring cavity
Phase reaction device；
(4) in gas-liquid-solid phase reaction device after reaction, reaction mixture is discharged, the pump in gas-liquid-solid phase reaction device
Enter 1% dilute hydrochloric acid, dilute hydrochloric acid is then pumped by monitoring cavity by peristaltic pump, the measurement end and pH meter to tuning fork densitometer
Measurement end is cleaned, and can all dissolve the surface scale of tuning fork densitometer and pH meter, is realized stably measured 18 hours.
Embodiment 2
In the bypass monitoring device of the gas-liquid-solid phase reaction, the small head section internal diameter and big head section internal diameter of eccentric reducer 5
Ratio be 1:2；The major part segment length of the eccentric reducer is 40cm；The height that the densitometer places pipe is 60cm；Institute
Stating the gap that tuning fork densitometer and densitometer are placed between the tube wall of pipe is 20mm, remaining is same as Example 1.
The device is applied to during carbon dioxide mineral seal up for safekeeping, application method:
(1) it is vertical that the reaction solution 5 containing 1M ammonium chloride, 0.2M magnesium chloride is packed into 8 cubes of gas-liquid-solid phase reaction device
Side, blasts the flue gas containing 15% carbon dioxide with 300 sides flow hourly, while ammonia is added and makes reacting liquid pH value
9.3 are maintained at, being passed through recirculated cooling water makes reaction temperature be maintained at 60 DEG C；Start peristaltic pump, by peristaltic pump by gas-liquid-solid three
Phase mixture is pumped into eccentric reducer (being pumped into flow is 35L/min), gas-liquid-solid three-phase mixture from gas-liquid-solid phase reaction device
When big head section in eccentric reducer flows, gas phase is moved upwards, and liquid phase and solid phase are moved downward along tube wall, realizes gas phase
With the separation of liquid phase and solid phase；
(2) it after the gas phase after separating enters monitoring cavity, is put into the densitometer on the vertical direction above monitoring cavity
Pipe is set, is then flowed out from gas phase branch pipe, gas-liquid-solid phase reaction device is returned；The liquid phase and solid phase separated from eccentric reducer
Mixture is collected in monitoring cavity, and the measurement end of tuning fork densitometer passes through densitometer placement pipe and extend into the monitoring intracorporal liquid of chamber
Mutually and in the mixture of solid phase, density measure is carried out；PH meter is placed pipe by the pH meter on monitoring cavity and is protruded into monitoring cavity
Liquid phase and solid phase mixture in, carry out pH measurement；Sample tap by monitoring cavity obliquely downward releases liquid phase and solid phase
Mixture carries out composition detection；
Real-time monitoring densitometer and pH meter degree in reaction process.When not being bubbled, densitometer monitoring reaction solution is
Pure solution, relative density 1.016, pH value 4.521.After being bubbled, before solid occurs in reaction, relative density is
1.014, pH 9.311.There is solid after reaction in 0.3 hour, relative density reading is gradually increasing at this time, from 1.016
1.290 are risen to, theoretical solid content 38.2%.1L solidliquid mixture is taken by the sample tap on device at this time, dries, obtains after suction filtration
502 grams of solid are obtained, actual measurement is containing appraisal 39%；
(3) after measuring, the mixture of liquid phase and solid phase returns to gas-liquid-solid three by the discharge nozzle below monitoring cavity
Phase reaction device；
(4) in gas-liquid-solid phase reaction device after reaction, reaction mixture is discharged, the pump in gas-liquid-solid phase reaction device
Enter 5% dilute hydrochloric acid, dilute hydrochloric acid is then pumped by monitoring cavity by peristaltic pump, the measurement end and pH meter to tuning fork densitometer
Measurement end is cleaned, and can all dissolve the surface scale of tuning fork densitometer and pH meter, is realized stably measured 24 hours.
Embodiment 3
In the bypass monitoring device of the gas-liquid-solid phase reaction, the small head section internal diameter and big head section internal diameter of eccentric reducer 5
Ratio be 1:2.2；The major part segment length of the eccentric reducer is 60cm；The height that the densitometer places pipe is 80cm；
It is 15mm that the tuning fork densitometer and densitometer, which place the gap between the tube wall of pipe, remaining is same as Example 1.
The device is applied to during carbon dioxide mineral seal up for safekeeping, application method:
(1) 5 cubes of tap water are packed into 8 cubes of magnesium carbonate ammonium hydrate reaction kettle, per minute with 25 kilograms of sides
1000 kilograms of crude product of magnesium carbonate ammonium hydrate are added into reaction kettle for flow, while blasting the poor titanium dioxide containing 90% nitrogen
Carbon tail gas；Start peristaltic pump, gas-liquid-solid three-phase mixture is pumped into from gas-liquid-solid phase reaction device by eccentric reducing by peristaltic pump
Pipe (being pumped into flow is 20L/min), when big head section of the gas-liquid-solid three-phase mixture in eccentric reducer flows, gas phase is transported upwards
Dynamic, liquid phase and solid phase are moved downward along tube wall, realize the separation of gas phase and liquid phase and solid phase；
(2) it after the gas phase after separating enters monitoring cavity, is put into the densitometer on the vertical direction above monitoring cavity
Pipe is set, is then flowed out from gas phase branch pipe, gas-liquid-solid phase reaction device is returned；The liquid phase and solid phase separated from eccentric reducer
Mixture is collected in monitoring cavity, and the measurement end of tuning fork densitometer passes through densitometer placement pipe and extend into the monitoring intracorporal liquid of chamber
Mutually and in the mixture of solid phase, density measure is carried out；PH meter is placed pipe by the pH meter on monitoring cavity and is protruded into monitoring cavity
Liquid phase and solid phase mixture in, carry out pH measurement；Sample tap by monitoring cavity obliquely downward releases liquid phase and solid phase
Mixture carries out composition detection；
Real-time monitoring densitometer and pH meter degree in reaction process, when not being bubbled, densitometer monitoring reaction solution is
Pure solution, relative density 1.0, pH value 6.8.After being gradually added into solid and being bubbled, relative density reading is gradually increasing, from
1.0 rise to 1.119, theoretical solid content 16.7%.After reaction carries out 1 hour, relative density gradually rises up to 1.387.Extremely
1L solidliquid mixture is taken by the sample tap on device at this time, is dried after suction filtration, obtains 221 grams of solid, actual measurement, which contains, estimates 16%,
Solid is detected as pure light magnesium carbonate；
(3) after measuring, the mixture of liquid phase and solid phase returns to gas-liquid-solid three by the discharge nozzle below monitoring cavity
Phase reaction device；
(4) in gas-liquid-solid phase reaction device after reaction, reaction mixture is discharged, the pump in gas-liquid-solid phase reaction device
Enter 3% dilute hydrochloric acid, dilute hydrochloric acid is then pumped by monitoring cavity by peristaltic pump, the measurement end and pH meter to tuning fork densitometer
Measurement end is cleaned, and can all dissolve the surface scale of tuning fork densitometer and pH meter, is realized stably measured 24 hours.
Claims (8)
1. a kind of bypass monitoring device of gas-liquid-solid phase reaction, which is characterized in that including a horizontal cylindrical monitoring chamber
Body, eccentric reducer, tuning fork densitometer and pH meter, the vertical direction monitored above cavity are equipped with densitometer and place pipe,
The bottom that densitometer places pipe is connected to monitoring cavity, and densitometer places pipe top entry and is inserted with tuning fork densitometer, and tuning fork is close
The measurement end of degree meter protrudes into monitoring cavity；The top side wall that the densitometer places pipe is equipped with gas phase branch pipe, gas phase branch pipe one
End is placed pipe with densitometer and is connected to, and the other end is connected to by ball valve and pipeline with gas-liquid-solid phase reaction device；The monitoring cavity
The vertical direction of lower section is equipped with discharge nozzle, is connected at the top of discharge nozzle with monitoring cavity, the bottom of the tube that discharges and gas-liquid-solid three-phase are anti-
Device is answered to be connected to；The side side wall of the monitoring cavity is connected to the big head section of eccentric reducer, and the small head section of eccentric reducer is logical
Piping and peristaltic pump are connected to gas-liquid-solid phase reaction device；It is equipped with pH meter above the monitoring cavity and places pipe, pH meter is placed
Pipe is connected to monitoring cavity, and pH meter is placed in pipe and is inserted with pH meter；The monitoring cavity obliquely downward is equipped with sample tap.
2. the bypass monitoring device of gas-liquid-solid phase reaction as described in claim 1, which is characterized in that the eccentric reducer
Axis places the axis of pipe perpendicular to densitometer.
3. the bypass monitoring device of gas-liquid-solid phase reaction as described in claim 1, which is characterized in that the eccentric reducer
The ratio of small head section internal diameter and big head section internal diameter is 1:(2-2.5).
4. the bypass monitoring device of gas-liquid-solid phase reaction as described in claim 1, which is characterized in that the eccentric reducer
Major part segment length is not less than 30cm.
5. the bypass monitoring device of gas-liquid-solid phase reaction as described in claim 1, which is characterized in that the densitometer places pipe
Height be not less than 50cm.
6. the bypass monitoring device of gas-liquid-solid phase reaction as described in claim 1, which is characterized in that the tuning fork densitometer with
It is 10-20mm that densitometer, which places the gap between the tube wall of pipe,.
7. the bypass monitoring device of gas-liquid-solid phase reaction as described in any one of claim 1 to 6, which is characterized in that the sound
The measurement end for pitching densitometer is opposite with the big head section of eccentric reducer in the monitoring intracorporal position of chamber.
8. application of any one of claim 1 to the 7 bypass monitoring device in carbon dioxide mineral are sealed up for safekeeping.
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| CN201811435068.7A CN109395671B (en) | 2018-11-28 | 2018-11-28 | Bypass monitoring device for gas-liquid-solid three-phase reaction and application of bypass monitoring device in carbon dioxide mineral sealing |
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| CN201811435068.7A CN109395671B (en) | 2018-11-28 | 2018-11-28 | Bypass monitoring device for gas-liquid-solid three-phase reaction and application of bypass monitoring device in carbon dioxide mineral sealing |
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| CN116519536A (en) * | 2023-07-05 | 2023-08-01 | 中南大学 | Device and method for measuring specific gravity of liquid in pipeline |
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