CN203838154U - Experiment device for measuring resin exchange capacity by adopting dynamic method - Google Patents
Experiment device for measuring resin exchange capacity by adopting dynamic method Download PDFInfo
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- CN203838154U CN203838154U CN201420258585.2U CN201420258585U CN203838154U CN 203838154 U CN203838154 U CN 203838154U CN 201420258585 U CN201420258585 U CN 201420258585U CN 203838154 U CN203838154 U CN 203838154U
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Abstract
The utility model discloses an experiment device for measuring resin exchange capacity by adopting a dynamic method. The experiment device comprises a bottom-opening bottle and further comprises liquid distribution pipes and multiple resin exchange devices, wherein the bottom-opening bottle is connected with resin exchange devices through the liquid distribution pipes. Groups of liquid distribution funnels or multiple bottom-opening bottles are replaced by one bottom-opening bottle, the same initial concentration of an original exchange solution is ensured, and experiment errors are decreased. The liquid distribution pipes are connected with multiple numerical value exchange devices, one valve is omitted, the number of the liquid distribution funnels or the bottom-opening bottles is decreased, an instrument is simplified, and the experiment area and the experiment expenditure are saved. Flows are controlled only by using an exchange column valve in the experimental process, the exchange column liquid level can be always the liquid level required initially, the exchange process is simple, the flowing speed is stable, an overflow or emptying phenomenon does not occur, and order and smooth experiment implementation is ensured.
Description
Technical field
The utility model belongs to experimental teaching unit technical field, relates to a kind of dynamic method and measures resin exchange capacity experimental provision.
Background technology
As shown in Figure 1, 2, common capacity experimental device is comprised of the separating funnel with scale (or connecting valvular tubualted bottle), exchange column and volumetric flask (or triangular flask) three parts.The scale of separating funnel can be used for controlling use amount (volume) and the valve controlling flow speed of exchange solution.While jointly using with exchange column, by the valve of separating funnel lower end and the exchange column valve of exchange column lower end, jointly regulate filter velocity, now require separating funnel flow velocity and exchange column flow velocity to match, under this mode, in a many hours experimentation, usually there are two kinds of situations: the first, separating funnel velocity ratio exchange column flow velocity is fast, slightly do not note, exchange column overflow, making to control liquid consumption cannot measure, the failure of an experiment.The second, it is slow that separating funnel flow velocity is compared exchange column, and unless you give your whole attention to it, exchange column stream is empty, and resin has space, then adds exchange liquid will have bubble, affects mass exchange, the failure of an experiment.Once experiment is because above-mentioned two situations cause failure, experiment for 2 class hours just need to be reformed, first from resin regeneration, from careful cleaning separating funnel, add regeneration of hydrochloric acid liquid (if exchange resin has space bubble, need again fill post or stir with long clean glass bar, force out bubble), emit after regeneration liquid waste, with pure water, clean resin, until efflux is neutrality, approximately need half an hour.And then from the beginning separating funnel dress exchanges solution, adjusting two valves must mate, and proceeds exchange.For fear of both of these case, occur, usually need special messenger to look after, do not stop to adjust the flow velocity of lower valve, but adjusting continually flow velocity finally makes ion exchange process flow velocity unstable, occurs that experimental error is larger.
In addition, the exchange column lower end in above-mentioned capacity experimental device is used volumetric flask (or conical flask) to connect the lower liquid of filter, can not constantly understand experiment process in experimentation, can not measure the lower liquid of filter long-pending.There is no scale, by the scale of separating funnel, control completely, once overflow will cause the failure of an experiment; Or it is long-pending to measure the lower liquid of filter by additive method, such as graduated cylinder or volumetric flask, complicated operation first, second causes the error of volume or concentration in transfer process.
One group of graduated separating funnel (or connecting valvular tubualted bottle) for experiment, in cleaning or liquid feeding process, causes each group exchange liquid concentration difference, show that experiment conclusion is different.And need to use more experimental provision, account for experiment area many, also uneconomical.
Summary of the invention
For the defect existing in above-mentioned prior art or deficiency, the purpose of this utility model is, provides a kind of dynamic method to measure resin exchange capacity experimental provision, to solve problems of the prior art.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be solved:
Dynamic method is measured a resin exchange capacity experimental provision, comprises tubualted bottle, also includes separating tube and a plurality of resins exchange device, and described tubualted bottle is connected with a plurality of resins exchange devices by separating tube.
The utility model also comprises following other technologies feature:
Described separating tube is provided with an inlet and a plurality of liquid outlet, and the number of liquid outlet is not less than the number of resins exchange device; The inlet of separating tube is connected to the lower end of tubualted bottle;
Described resins exchange device comprises exchange column connecting pipe, stopper, exchange column and graduated cylinder, and wherein, each liquid outlet of separating tube connects respectively the upper end of exchange column by exchange column connecting pipe; Exchange column connecting pipe is provided with sub valve, enters the switch of the liquid of exchange column for controlling separating tube; In exchange column, be filled with exchange resin, the lower end of exchange column connects graduated cylinder; And there is valve exchange column lower end, for controlling the flow of whole resins exchange device.
The inlet place of described separating tube is provided with total valve, and total valve is for controlling the switch that tubualted bottle enters the liquid of separating tube.
Between described exchange column connecting pipe and exchange column, pass through plug seal.
Described resins exchange device has 6, and described separating tube is provided with 6 liquid outlets.
Compared with prior art, the utility model has the advantage of:
(1) with a tubualted bottle, substitute and respectively organize separating funnel or a plurality of tubualted bottle, guarantee that original switching initial concentration solution is identical, reduce experimental error.
(2) separating tube connects a plurality of (such as 6, can add and subtract separating tube quantity according to oneself requirement), separate 6 with the silicone tube of rubber stopper, rubber stopper is connected with exchange column, reduce by a valve, reduce separating funnel (or tubualted bottle) quantity, simplify instrument, reach and save experiment area and experiment fees.
(3) only by exchange column valve controlling flow amount, make exchange column liquid level guarantee all the time the liquid level requiring initial, exchange process is simple, and flow speed stability there will not be overflow or flow empty phenomena, and assurance experiment is carried out in order smoothly.
(4) the utility model exchanges liquid concentration and resin loading amount by design, and whether the lower liquid of filter is collected with graduated cylinder, check and by experimental design flow, undertaken first at any time; Secondly according to graduated cylinder filtrate volume, roughly grasp experiment filter course, the last stage is in switching phase, and pH value is strong acid; Interstage is in translate phase, and pH value transfers weak acid to by strong acid; After-stage is that pH value transfers neutrality to by weak acid in penetrating the stage, and final resin is penetrated, and experiment finishes.To sum up, can effectively avoid existing test unit in process of the test, to need frequently to detect to determine the complicated step of filter course.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of capacity experimental device.
Fig. 2 is the structural representation of existing a kind of capacity experimental device.
Fig. 3 is structural representation of the present utility model.
In figure, 1. tubualted bottle, 2. separating tube, 3. exchange column connecting pipe, 4. stopper, 5. exchange column, 6. exchange resin, 7. exchange column valve, 8. graduated cylinder, 9. total valve, 10. sub valve, 11. separating funnels, 12. valves, 13. volumetric flasks, 14. triangular flasks.
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 3, dynamic method of the present utility model is measured resin exchange capacity experimental provision, comprises tubualted bottle 1, separating tube 2 and a plurality of resins exchange device; In the present embodiment, are furnished with 6 resins exchange devices.
Separating tube 2 is provided with an inlet and a plurality of liquid outlet, and the number of liquid outlet is not less than the number of resins exchange device, is provided with 6 liquid outlets in the present embodiment; The inlet of separating tube 2 is connected to the lower end of tubualted bottle 1, and the inlet place of separating tube 2 is provided with total valve 9, enters the switch of the liquid of separating tube 2 for controlling tubualted bottle 1;
Resins exchange device comprises exchange column connecting pipe 3, stopper 4, exchange column 5 and graduated cylinder 8, and wherein, each liquid outlet of separating tube 2 connects respectively the upper end of exchange column 5 by exchange column connecting pipe 3; Between exchange column connecting pipe 3 and exchange column 5, by stopper 4, seal; Exchange column connecting pipe 3 is provided with sub valve 10, enters the switch of the liquid of exchange column 5 for controlling separating tube 2; In exchange column 5, be filled with exchange resin 6, the lower end of exchange column 5 connects graduated cylinder 8; And there is valve 7 exchange column 5 lower ends, for controlling the flow of whole exchange resin device.
The material of exchange column connecting pipe 3 can adopt silica gel or other soft materials.In the present embodiment, adopt silica gel.
The material of stopper 4 can adopt rubber or other resilient materials.In the present embodiment, adopt rubber.
Use device of the present utility model to carry out the operation of determination experiment of resin exchange capacity as follows:
(1) with tubualted bottle 1 dress experiment exchange original solution, according to requirement of experiment, determine the number of resins exchange device, with separating tube 2, will need to determine number of branches by experiment, experimental provision is simplified economical.
(2) each liquid outlet of separating tube 2 is connected with 1 silicone tube respectively, lower end is connected with the exchange column 5 with stopper 4.
(3) test class hour according to the rules, fill a certain amount of resin in exchange column 5, prepare certain density experiment exchange stoste, when experiment starts, open total valve 9, by resin, carry out ion-exchange, in experimentation, flow is only controlled by exchange column valve 7.
(4) connect filter graduated cylinder 8 for liquid down, as long as while starting to adjust, by short time timing, can guarantee that flow speed stability carries out, such as, coutroi velocity 2mL/min, by timing 5min, as effluent volume 10mL, completes flow control.
(5) in experimentation, student filters down liquid pH value by mensuration, understands experiment process, and when the lower liquid pH value of filter is identical with stoste pH value, resin penetrates inefficacy, and experiment finishes, by the exchange capacity of measure and calculation resin.
Claims (5)
1. a dynamic method is measured resin exchange capacity experimental provision, comprise tubualted bottle (1), it is characterized in that, also include separating tube (2) and a plurality of resins exchange device, described tubualted bottle (1) is connected with a plurality of resins exchange devices by separating tube (2).
2. dynamic method as claimed in claim 1 is measured resin exchange capacity experimental provision, it is characterized in that, described separating tube (2) is provided with an inlet and a plurality of liquid outlet, and the number of liquid outlet is not less than the number of resins exchange device; The inlet of separating tube (2) is connected to the lower end of tubualted bottle (1);
Described resins exchange device comprises exchange column connecting pipe (3), stopper (4), exchange column (5) and graduated cylinder (8), wherein, each liquid outlet of separating tube (2) connects respectively the upper end of exchange column (5) by exchange column connecting pipe (3); Exchange column connecting pipe (3) is provided with sub valve (10), enters the liquid switch of exchange column (5) for controlling separating tube (2); In exchange column (5), be filled with exchange resin (6), the lower end of exchange column (5) connects graduated cylinder (8); And there is valve (7) exchange column (5) lower end, for controlling the flow of whole resins exchange device.
3. dynamic method as claimed in claim 2 is measured resin exchange capacity experimental provision, it is characterized in that, the inlet place of described separating tube (2) is provided with total valve (9), and total valve (9) enters the switch of the liquid of separating tube (2) for controlling tubualted bottle (1).
4. dynamic method as claimed in claim 2 is measured resin exchange capacity experimental provision, it is characterized in that, between described exchange column connecting pipe (3) and exchange column (5), by stopper (4), seals.
5. dynamic method as claimed in claim 1 is measured resin exchange capacity experimental provision, it is characterized in that, described resins exchange device has 6, and described separating tube (2) is provided with 6 liquid outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258585.2U CN203838154U (en) | 2014-05-20 | 2014-05-20 | Experiment device for measuring resin exchange capacity by adopting dynamic method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258585.2U CN203838154U (en) | 2014-05-20 | 2014-05-20 | Experiment device for measuring resin exchange capacity by adopting dynamic method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838154U true CN203838154U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258585.2U Expired - Fee Related CN203838154U (en) | 2014-05-20 | 2014-05-20 | Experiment device for measuring resin exchange capacity by adopting dynamic method |
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| CN (1) | CN203838154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223306A (en) * | 2015-09-25 | 2016-01-06 | 国网山东省电力公司电力科学研究院 | A kind of device measuring Hydrogen weak-acid cation-exchange resin CEC |
| CN105242032A (en) * | 2015-09-25 | 2016-01-13 | 国网山东省电力公司电力科学研究院 | Apparatus for determining maximum regeneration capacity of hydrogen-oxygen type anion exchange resin |
-
2014
- 2014-05-20 CN CN201420258585.2U patent/CN203838154U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223306A (en) * | 2015-09-25 | 2016-01-06 | 国网山东省电力公司电力科学研究院 | A kind of device measuring Hydrogen weak-acid cation-exchange resin CEC |
| CN105242032A (en) * | 2015-09-25 | 2016-01-13 | 国网山东省电力公司电力科学研究院 | Apparatus for determining maximum regeneration capacity of hydrogen-oxygen type anion exchange resin |
| CN105242032B (en) * | 2015-09-25 | 2017-10-31 | 国网山东省电力公司电力科学研究院 | A kind of device for determining hydrogen-oxygen type anion exchange resin maximum regeneration capacity |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20170520 |