CN202142228U - Experimental apparatus for measuring liquid phase stay time distribution in gas-liquid reactor - Google Patents
Experimental apparatus for measuring liquid phase stay time distribution in gas-liquid reactor Download PDFInfo
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- CN202142228U CN202142228U CN201120240820U CN201120240820U CN202142228U CN 202142228 U CN202142228 U CN 202142228U CN 201120240820 U CN201120240820 U CN 201120240820U CN 201120240820 U CN201120240820 U CN 201120240820U CN 202142228 U CN202142228 U CN 202142228U
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Abstract
The utility model provides an experimental apparatus for measuring liquid phase stay time distribution in a gas-liquid reactor, which comprises a liquid supply system, a labeling test system, a gas supply system, a bubble tower, an internal circulation reactor and an external circulation reactor. The bubble tower, the internal circulation reactor and the external circulation reactor are respectively connected with the liquid supply system and the gas supply system, and the labeling test system is connected with the bubble tower, the internal circulation reactor and the external circulation reactor through tracer pipelines. A reactor allowing gas to pass, the bubble tower, the internal circulation reactor and the external circulation reactor are adopted. The reactor is made of transparent glass materials so as to illustratively and clearly display the whole structure of the reactor and flowing conditions of gas phase fluid and liquid phase fluid, further to measure stay time distribution of liquid in the reactor under different air flows and determine influence of the air flows in the gas liquid two-phase flowing reactor to the extent of liquid phase reverse mixing. The tracer pipelines are cleaned by a cleaning system after the experiment is finished.
Description
Technical field
The utility model relates to the Chemical Reaction Engineering technical field, specifically is the experimental provision of liquid phase residence time measure of spread in a kind of gas-liquid reactor.
Background technology
The residence time of material distributes and can confirm the back-mixing degree of material in the reactor in the assaying reaction device.The back-mixing degree of material size can directly influence the interior Temperature Distribution of reactor and the CONCENTRATION DISTRIBUTION of reaction mass in the reactor; Thereby have influence on reaction result, so the distribution of the residence time of material is an important step in the Chemical Reaction Engineering course teaching in the assaying reaction device.At present; In teaching process, be used to measure the device that residence time of material distributes in the reactor and only contain mechanical stirring kettle and tubular reactor two big quasi-tradition reactors; And the Temperature Distribution and the residence time can only flow through reactor to single liquid (being generally water) time measure, can not measure gaseous fluid.And, developed multiple new high-efficiency reactor at present, like bubble tower, inner circulation reactor, outer circulation reactor etc. to the gas-liquid two-phase reaction.But the device that in experimental teaching, still lacking so far can be directly perceived, the liquid phase residence time distributes in gas-liquid two-phase mobility status and the assaying reaction device in the above-mentioned novel reactor of overview display.
The utility model content
The utility model technical matters to be solved is that a kind of experimental provision that is used to observe liquid phase residence time measure of spread in the gas-liquid reactor that the liquid phase residence time distributes in Liquid Flow situation, the analyzer in the reactor is provided.
For solving the problems of the technologies described above; The experimental provision of liquid phase residence time measure of spread in the gas-liquid reactor that the utility model provides; It comprises liquid-supplying system and spike test macro, and it also comprises gas supply system and bubble tower, inner circulation reactor, outer circulation reactor; Described bubble tower, inner circulation reactor, outer circulation reactor are connected with gas supply system with liquid-supplying system respectively, and described spike test macro is connected with bubble tower, inner circulation reactor and outer circulation reactor through the tracer agent pipeline.
Described bubble tower, inner circulation reactor and outer circulation reactor are the reactor that transparent material is processed.
It also comprises the purging system that is used to clean the tracer agent pipeline, and described purging system is connected with the tracer agent pipeline.
After adopting above structure, the utility model compared with prior art has the following advantages:
Employing can feed the reactor of gas: bubble tower, inner circulation reactor, outer circulation reactor; And reactor processes with transparent glass material; Can intuitively know the total of displaying reactor and the mobility status of the interior gas-liquid two-phase fluid of reactor; And then can measure the residence time of liquid distribution in the reactor under the different air mass flows; Confirm that gas flow is cleaned the tracer agent pipeline by purging system after off-test the influence of backmixing of liquid phase degree in the mobile reactor of gas-liquid two-phase.
Description of drawings
Fig. 1 is the experimental provision synoptic diagram of liquid phase residence time measure of spread in the utility model gas-liquid reactor.
Wherein, 1, tap water is introduced the water storage tank; 2, through water pump; 3, spinner-type flowmeter; 4, four-port conversion value; 5, liquid inlet; 6, conductivity meter; 7, air is through compressor; 8, gas buffer jar; 9, gas rotameter; 10, four-port conversion value; 11, gas access; 12, gas vent; 13, tracer agent jar; 14, cleaning agent tank; 15, three-way change-over valve; 16, solenoid valve; 17, bubble tower; 18, outer circulation reactor; 19, inner circulation reactor.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
As shown in Figure 1; The experimental provision of liquid phase residence time measure of spread in the utility model gas-liquid reactor; It comprises liquid-supplying system and spike test macro, and with reference to the current experiments device, liquid-supplying system mainly is made up of water storage tank 1, water pump 2; Pipeline through connecting usefulness assembles; Liquid spinner-type flowmeter 3 and four-port conversion value 4 and necessary valve are set, and the spike test macro is connected via the connecting tube assembling by tracer agent jar 13, cleaning agent tank 14, conductivity meter 6 and computing machine mainly on connecting line, suitable and necessary valve parts such as (like solenoid valve 16, four-way valves 10) also are set on connecting tube.
It also comprises gas supply system and bubble tower 17, inner circulation reactor 19, outer circulation reactor 18; Described bubble tower 17, inner circulation reactor 19, outer circulation reactor 18 are connected with gas supply system with liquid-supplying system respectively; The gas air supply system here is mainly by being made up of air compressor 7, gas buffer jar 8; Connect, and on connecting line, arrange parts such as suitable flowmeter (like gas rotameter 9), valve respectively at above-mentioned bubble tower 17, inner circulation reactor 19, outer circulation reactor 18 by the road.
Described spike test macro is connected with bubble tower 17, inner circulation reactor 19 and outer circulation reactor 18 through the tracer agent pipeline.For ease of observing, described bubble tower 17, inner circulation reactor 19 and outer circulation reactor 18 are the reactor that transparent material is processed, and make as using glass.
For ease of after the off-test a whole set of experimental provision being cleaned, the utility model also comprises the purging system that is used to clean the tracer agent pipeline, and described purging system is connected with the tracer agent pipeline.
In the field research practice, can be that gas phase, water are that liquid phase, potassium nitrate (perhaps potassium chloride) saturated aqueous solution are that tracer agent, clear water are as tracer agent pipeline clean-out system with the air.
During test; Tap water is introduced water storage tank 1; After water pump 2, spinner-type flowmeter 3 measure control, process four-port conversion value 4 is 5 importing bubble towers 17 or outer circulation reactor 18, perhaps inner circulation reactor 19 bottoms from the liquid inlet; When the water surface rose to liquid outlet in the bubble tower, water entered sewer after liquid outlet is flowed through conductivity meter 6.Air boosts along gas piping entering gas buffer jar 8, again after gas rotameter 9 measure control through compressor 7; 11 import bubble towers 17 (perhaps the outer circulation reactor 18 from the gas access, bottom through four-port conversion value 10; Perhaps inner circulation reactor 19) bottom entering reactor; Mix rising with the water in the reactor, arrive reactor top gas-liquid separation zone, with after the aqueous phase separation from 12 emptyings of reactor head gas vent.
Under constant gas-liquid flow; (perhaps the outer circulation reactor 18 for bubble tower 17; Perhaps inner circulation reactor 19) interior gas-liquid two-phase continuous flow arrival steady state (SS); Opened solenoid valve 163～10 seconds this moment, and moment makes a certain amount of tracer agent WS flow into liquid line, enters into the bubble tower bottom with water; When opening solenoid valve 16; The conductivity signal of the WS that flows out from bubble tower that computing machine opening entry conductivity meter records; Promptly obtain to be illustrated in bubble tower 17 or outer circulation reactor 18 under this kind Liquid Flow situation, perhaps the residence time distributed data of water in the inner circulation reactor 19.
Data acquisition is transferred to washing tank with three-way change-over valve 15 and is linked to each other with the tracer agent pipeline, with the water washing pipeline of 3 to 5 times of tracer agent pipeline volumes after finishing.Finish experiment then.
Claims (3)
1. the experimental provision of liquid phase residence time measure of spread in the gas-liquid reactor; It comprises liquid-supplying system and spike test macro, it is characterized in that: it also comprises gas supply system and bubble tower (17), inner circulation reactor (19), outer circulation reactor (18); Described bubble tower (17), inner circulation reactor (19), outer circulation reactor (18) are connected with gas supply system with liquid-supplying system respectively, and described spike test macro is connected with bubble tower (17), inner circulation reactor (19) and outer circulation reactor (18) through the tracer agent pipeline.
2. the experimental provision of liquid phase residence time measure of spread in the gas-liquid reactor according to claim 1, it is characterized in that: described bubble tower (17), inner circulation reactor (19) and outer circulation reactor (18) are the reactor that transparent material is processed.
3. the experimental provision of liquid phase residence time measure of spread in the gas-liquid reactor according to claim 1, it is characterized in that: it also comprises the purging system that is used to clean the tracer agent pipeline, described purging system is connected with the tracer agent pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120240820U CN202142228U (en) | 2011-07-06 | 2011-07-06 | Experimental apparatus for measuring liquid phase stay time distribution in gas-liquid reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120240820U CN202142228U (en) | 2011-07-06 | 2011-07-06 | Experimental apparatus for measuring liquid phase stay time distribution in gas-liquid reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142228U true CN202142228U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120240820U Expired - Fee Related CN202142228U (en) | 2011-07-06 | 2011-07-06 | Experimental apparatus for measuring liquid phase stay time distribution in gas-liquid reactor |
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| CN (1) | CN202142228U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301059A (en) * | 2015-10-28 | 2016-02-03 | 中国石油大学(华东) | Device and method for measuring gas-liquid cyclone liquid-phase standing time distribution |
| CN109932278A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fixed bed reactors gas phase residence time destribution measurement system and method |
| CN110672542A (en) * | 2019-09-26 | 2020-01-10 | 清华大学 | Device and method for on-line measuring residence time distribution in liquid-liquid and gas-liquid continuous reactor |
-
2011
- 2011-07-06 CN CN201120240820U patent/CN202142228U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301059A (en) * | 2015-10-28 | 2016-02-03 | 中国石油大学(华东) | Device and method for measuring gas-liquid cyclone liquid-phase standing time distribution |
| CN105301059B (en) * | 2015-10-28 | 2018-01-12 | 中国石油大学(华东) | The apparatus and method for determining gas-liquid eddy flow liquid phase residence time destribution |
| CN109932278A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fixed bed reactors gas phase residence time destribution measurement system and method |
| CN109932278B (en) * | 2017-12-19 | 2020-06-09 | 中国科学院大连化学物理研究所 | System and method for measuring gas-phase residence time distribution of fixed bed reactor |
| CN110672542A (en) * | 2019-09-26 | 2020-01-10 | 清华大学 | Device and method for on-line measuring residence time distribution in liquid-liquid and gas-liquid continuous reactor |
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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: 20120208 Termination date: 20150706 |
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| EXPY | Termination of patent right or utility model |