CN207964717U - Flow cell and sodium ion in-line analyzer for sodium ion in-line analyzer - Google Patents

Abstract

The utility model discloses a kind of flow cells for sodium ion in-line analyzer, including be connected with admission line and input duct for the alkalization chamber of water sample basification, the test chamber that is connect with alkalization chamber and the reference chamber being connect with test chamber；Admission line extend into the alkalization inside of chamber and in communication；It is connected by least one set of first flow pipe between neighboring chambers, the second flow pipe of at least one set for generated bubble in alkalization chamber to be discharged is additionally provided between neighboring chambers.The bubble of the improved flow cell of the utility model, generation can be discharged from the second flow pipe, improve attachment of the bubble in electrode surface, ensure the accuracy measured, be particularly suitable for sodium ion in-line analyzer.

Description

Flow cell and sodium ion in-line analyzer for sodium ion in-line analyzer

Technical field

The utility model is related to sodium ion detection fields in water, particularly, are related to a kind of for sodium ion in-line analyzer Flow cell.In addition, the utility model further relates to a kind of sodium ion in-line analyzer including above-mentioned flow cell.

Background technology

Existing sodium ion in-line analyzer alkalization mode mostly uses osmos tube and alkali steam and carries out basification to water sample, It being difficult to adapt to the accurate measurement request of steam sodium and cation bed sodium simultaneously, pH degree of regulation is low, influences the accuracy of sodium ion measurement, Also, during sodium ion on-line analysis, alkali steam will produce a large amount of bubble during being alkalized, after bubbles burst Many minute bubbles are will produce, due to the effect of electrode surface and flow cell interior surface tension, what bubble can be slowly is attached to stream Logical pond inside and electrode surface, affect the accuracy of measurement of electrode, increase the workload of maintenance.

Utility model content

The utility model provides a kind of flow cell and sodium ion in-line analyzer for sodium ion in-line analyzer, with Solve the technical issues of bubble that water sample basification generates is attached to the surface of electrode and influences accuracy of measurement.

The technical solution adopted in the utility model is as follows：

The utility model provides a kind of flow cell for sodium ion in-line analyzer, including be connected with admission line with And input duct for water sample basification alkalization chamber, with the test chamber that connect of alkalization chamber and the ginseng being connect with test chamber Compare chamber；Admission line extend into the inside of alkalization chamber, and in communication；Pass through at least one set of first runner pipe between neighboring chambers Road connects, and the second runner pipe of at least one set for generated bubble in alkalization chamber to be discharged is additionally provided between neighboring chambers Road.

Further, the second flow pipe is connected to the position at end with previous cavity higher than the first flow pipe and same cavity It is connected to the position at end；The position that second flow pipe is connected to end with latter cavity connects not less than the first flow pipe and same cavity The position of go side.

Further, the second flow pipe is respectively perpendicular setting, and each section of the second runner pipe with previous cavity, latter cavity Road is arranged on same straight line.

Further, the diameter of the second flow pipe is more than the diameter of the first flow pipe.

Further, one end of the first flow pipe is connected to previous cavity, the other end being oppositely arranged and next cavity Lower part connection.

Further, the above-mentioned flow cell for sodium ion in-line analyzer further includes that temperature measures chamber, and temperature measures chamber It is connect with reference chamber by the first flow pipe and the second flow pipe.

Further, temperature measures intracavitary and is equipped with temperature sensor.

Further, the above-mentioned flow cell for sodium ion in-line analyzer further includes the temperature inspection being installed on alkalization chamber Survey element.

Further, temperature detecting element is platinum resistance.

Further, the end of flow cell is also connected with waste discharge chamber by the first flow pipe and the second flow pipe.

Another aspect according to the present utility model additionally provides a kind of sodium ion in-line analyzer, including above-mentioned for sodium The flow cell of ion in-line analyzer.

Further, the input duct of flow cell is connected with feed liquor mechanism, is equipped with and is used between feed liquor mechanism and flow cell The thermostat of constant temperature processing is carried out to water sample.

Further, the admission line of flow cell is connected with basifier bottle, and basifier bottle is connect with the air pump for air blowing； Flow cell is additionally provided with the electrode cavity for installing pH electrode detection water sample pH value.

Further, above-mentioned sodium ion in-line analyzer further includes controller, and controller receives the pH value and root of pH electrodes The action of instruction control air pump is generated according to pH value.

Further, the connection of feed liquor mechanism is for corrected equipped with the first reagent bottle of titer and second to electrode Reagent bottle.

The utility model has the advantages that：

The flow cell for sodium ion in-line analyzer of the utility model, avoid alkali steam alkalization generate bubble with And the micro-bubble generated after bubbles burst enters electrode chamber by the first flow pipe, by inside flow cell and electric The surface tension effects of pole, bubble is easily attached in flowing lumen and electrode surface, influences the accuracy of electrode measurement.This practicality The flow cell of novel use increases the second flow pipe, and the bubble for the steam that alkalizes can rupture at the second flow pipe, and meeting It is discharged from the second flow pipe, can greatly improve attachment of the bubble in electrode surface, ensure the accuracy measured.

The sodium ion in-line analyzer of the utility model, including the above-mentioned flow cell for sodium ion in-line analyzer, is adopted Flow cell increases the second flow pipe, and the bubble for the steam that alkalizes can be ruptured and be discharged at the second flow pipe, effectively Ground avoids bubble from being attached to the surface of electrode, while being greatly reduced plant maintenance workload, improves utilization rate, reduces cost.

Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to accompanying drawings, the utility model is described in further detail.

Description of the drawings

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing In：

Fig. 1 is the schematic diagram of the sodium ion in-line analyzer of the preferred embodiment in the utility model；

Fig. 2 is the schematic diagram of the flow cell for sodium ion in-line analyzer of the preferred embodiment in the utility model；

Fig. 3 be the preferred embodiment in the utility model comprising temperature sensor cavity be used for sodium ion in-line analyzer The schematic diagram of flow cell；

Fig. 4 is the stream for sodium ion in-line analyzer for including temperature detecting element of the preferred embodiment in the utility model The schematic diagram in logical pond.

Reference sign：

12, test chamber；13, reference chamber；15, waste discharge chamber；16, venthole；17, the first flow pipe；18, the second runner pipe Road；

111, electrode cavity；141, temperature measures chamber；142, temperature detecting element；

2, sampling valve；3, overflow cup；4, thermostat；5, basifier bottle；

31, water inlet；32, overflow port；33, water outlet；

51, air pump；61, the first reagent bottle；62, the second reagent bottle.

Specific implementation mode

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

With reference to Fig. 2, the preferred embodiment of the utility model provides a kind of flow cell for sodium ion in-line analyzer, Including the alkalization chamber 11 for water sample basification for being connected with admission line and input duct, the use that is connect with alkalization chamber 11 In the reference chamber 13 for detecting the test chamber 12 of Na ion concentration and being connect with test chamber 12；Admission line extend into alkalization chamber 11 Inside and in communication；It is connected by least one set of first flow pipe 17 between neighboring chambers, is also set between neighboring chambers It is equipped with the second flow pipe of at least one set 18 for generated bubble in alkalization chamber to be discharged.

The above-mentioned flow cell for sodium ion in-line analyzer increases the second flow pipe 18, makes the gas of alkalization steam Steeping some can rupture and be discharged at the second flow pipe 18, be produced point to the bubble being discharged from the first flow pipe 17 The effect of stream influences the accuracy of electrode measurement to avoid bubble from being attached in flowing lumen and electrode surface.

The above-mentioned flow cell for sodium ion in-line analyzer, bubble and the bubble for avoiding the alkalization generation of alkali steam are broken The micro-bubble generated after splitting enters electrode chamber by the first flow pipe 17, by flow cell inside and the table of electrode Face tension force effect, bubble is easily attached in flowing lumen and electrode surface, influences the accuracy of electrode measurement.The utility model is adopted Flow cell increases the second flow pipe 18, and the bubble for the steam that alkalizes can rupture at the second flow pipe 18, and can be from Second flow pipe 18 is discharged, and can greatly improve attachment of the bubble in electrode surface, ensures the accuracy measured.

In the present embodiment, it is preferred that the position that the second flow pipe 18 is connected to end with previous cavity is higher than the first runner pipe Road 17 is connected to the position at end with same cavity；Second flow pipe 18 is connected to the position at end with latter cavity not less than the first circulation The position of pipeline 17 and same cavity unicom end.The connection position of above-mentioned first flow pipe 17 and second flow pipe 18 and cavity Meter is installed, so that the bubble all or most of alkalization steam is discharged from the second flow pipe 18, to avoid bubble from entering First flow pipe 17 and significantly improve the case where bubble is easily attached to electrode surface, to improve the standard of electrode measurement True property.

In the present embodiment, it is preferred that the second flow pipe 18 is respectively perpendicular setting with previous cavity, latter cavity, and each The second flow pipe 18 of section is arranged on same straight line.Being preferably provided with for above-mentioned second flow pipe 18 makes bubble be more prone to From being wherein discharged, to make the number of bubbles being discharged by the first flow pipe 17 farthest reduce.

In the present embodiment, it is preferred that the diameter of the second flow pipe 18 is more than the diameter of the first flow pipe 17.It is above-mentioned to set The diameter of the second flow pipe 18 is more than the diameter of the first flow pipe 17 in meter, and bubble is made to be more prone to from being wherein discharged, from And the number of bubbles being discharged by the first flow pipe 17 is made farthest to reduce.

In the present embodiment, it is preferred that one end of the first flow pipe 17 is connected to previous cavity, the other end being oppositely arranged It is connected to the lower part of next cavity.Said structure design can ensure that alkalization occurs for water sample completely, so that water sample is directly entered next The bottom of cavity, water sample are directly contacted with electrode, are measured accurate, stable.

With reference to Fig. 3, in the present embodiment, it is preferred that the above-mentioned flow cell for sodium ion in-line analyzer further includes temperature Chamber 141 is measured, temperature measures chamber 141 and connect with reference chamber 13 by the first flow pipe 17 and the second flow pipe 18.It is preferred that , temperature, which measures, is equipped with temperature sensor in chamber 141.The sequence of above-mentioned flow cell inner chamber body is followed successively by alkalization chamber 11, test chamber 12, reference chamber 13, temperature measure chamber 141.Above-mentioned temperature, which measures, is equipped with temperature sensor in chamber 141, realize to water sample temperature Detection, it is simple and reliable, so that the Pressure, Concentration, Temperature of sodium ion is matched, testing result is more acurrate.

With reference to Fig. 4, in the present embodiment, it is preferred that the above-mentioned flow cell for sodium ion in-line analyzer further includes installing Temperature detecting element 142 on alkalization chamber 11.Preferably, temperature detecting element 142 is platinum resistance.Above-mentioned flow cell alkalization chamber 11 back side is provided with mounting hole, and platinum resistance is mounted in mounting hole.Above-mentioned design reduces the volume of flow cell, and it is empty to save installation Between, while manufacturing cost is saved, while achieving the purpose that detect temperature and improving sodium ion accuracy in detection.

In the present embodiment, it is preferred that the end of flow cell also passes through the first flow pipe 17 and the second flow pipe 18 It is connected with waste discharge chamber 15.The waste liquid detected is discharged above-mentioned waste discharge chamber 15, and water sample is made to continue to pass in and out, and realizes online real-time Detect the purpose of Na ion concentration.

Another aspect according to the present utility model additionally provides a kind of sodium ion in-line analyzer, referring to Fig.1, including it is upper State the flow cell for sodium ion in-line analyzer.Above-mentioned sodium ion in-line analyzer, the flow cell of use increase second The bubble on siphunculus road 18, the steam that alkalizes can be ruptured and be discharged at the second flow pipe 18, be effectively prevented from bubble and be attached to electricity The surface of pole, while it being greatly reduced plant maintenance workload, utilization rate is improved, cost is reduced.

In the present embodiment, it is preferred that the input duct of flow cell is connected with feed liquor mechanism, between feed liquor mechanism and flow cell Equipped with the thermostat 4 for carrying out constant temperature processing to water sample.

Temperature can influence the accuracy that electrode method measures sodium ion, and existing sodium table has the function of temperature-compensating more, will not The synthermal measurement result compensated to 25 DEG C, still, accidentally due to the pollution of dust in air, the pollution of container, personnel's operation etc. Poor factor, preparation low concentration sodium standard solution error is big, carries out temperature-compensating and generates measurement error；And work is tested in temperature-compensating Work amount is big, needs to carry out large batch of experiment, and needs to carry out complicated algorithm operation, wastes a large amount of manpower and financial resources. The constant temperature processing to flowing water sample is realized in the present embodiment, the temperature of water sample to be measured is constant at 25 DEG C or so before detection, It need not carry out corresponding temperature-compensating.Measurement reproducibility is good, saves workload.

In the present embodiment, above-mentioned feed liquor mechanism is overflow cup 3, may be other overflow mechanisms in other embodiments, overflows Sampling valve 2 and overflow port 32 are set on flow cup.Live water sample is to flow water sample, when instrument is in idle condition, water sample in real time Drained by the normally open end of sampling valve 2；When instrument is tested, sampling valve is opened, water sample by the injection port of overflow cup 3 into Enter.Water sample circulates pond by gravity after thermostat 4, and extra water sample drains (sample introduction pipeline by overflow port 32 Thicker with overflow passage, the pipeline for connecting overflow cup 3 and flow cell is thinner).

In the present embodiment, it is preferred that the admission line of flow cell is connected with basifier bottle 5, basifier bottle 5 with for blowing Air pump 51 connect；Flow cell is additionally provided with the electrode cavity 111 for installing pH electrode detection water sample pH value.It is above-mentioned to use air pump 51 Air blowing alkalization mode, air pump 51 have the function of adjustable blowing speeds, and according to installation in the electrode cavity of flow cell 111 The pH value that pH electrode detections arrive can adjust the blowing speeds of air pump 51.It can be used for the alkalization of the water sample of different pH, instrument is general Property it is strong, be not required to for different pH water sample change instrument flow path design.Above-mentioned sodium ion in-line analyzer can be used as cation bed Sodium table or steam sodium table use.

Above-mentioned flow cell increases the electrode cavity 111 of installation pH electrode detection water sample pH value, can be real-time according to pH electrodes The pH value for detecting water sample adjusts the blowing speeds of air pump 51, to reach suitable alkalization effect.As water sample pH ＜ 10, will acquire To signal feed back to air pump 51, increase the blowing speeds of air pump 51；As water sample pH ＞ 10, reduce the air blowing speed of air pump 51 Degree, ensures most suitable alkalization effect, avoids the waste of reagent.Akaline liquid in above-mentioned basifier bottle 5 is volatilizable type Ammonium hydroxide or diisopropylamine.

In the present embodiment, it is preferred that above-mentioned sodium ion in-line analyzer further includes controller, and controller receives pH electrodes PH value and the action that instruction control air pump 51 is generated according to pH value.Controller is arranged in above-mentioned sodium ion in-line analyzer, for leading to Cross receive pH electrode detections to pH value judge the state of water sample, and generate the blowing speeds that instruction adjusts air pump 51, to PH electrodes and air pump 51 are connected, convenient for the control to air pump 51.

In the present embodiment, it is preferred that the connection of feed liquor mechanism is for corrected the first examination equipped with titer of electrode Agent bottle 61 and the second reagent bottle 62.Above-mentioned standard liquid is the standard solution of the sodium ion containing various concentration, is contained in the first examination respectively In agent bottle 61 and the second reagent bottle 62, reagent bottle is connect with overflow cup 3 respectively, for being periodically corrected to electrode, ensures electricity The accuracy of the measurement of pole.

The operation principle of the utility model sodium ion in-line analyzer is：Water sample is that flowing water sample, instrument are in sky in real time When not busy state, water sample is drained by the normally open end of sampling valve 2；When instrument is tested, sampling valve 2 is opened, and water sample flows into feed liquor Mechanism, feed liquor mechanism are mainly to enter overflow cup 3 by the water inlet 31 of overflow cup 3, and water sample is by gravity through water outlet 33 It flow to thermostat 4, the constant water sample of temperature circulates pond, and extra water sample is drained by overflow port 32.Air pump 51 starts Alkali steam in basifier bottle 5 is passed into 11 bottom of alkalization chamber, water sample to be detected is steamed followed by alkalization chamber 11 using alkali Vapour alkalizes to water sample, flow through test chamber 12 and reference chamber 13 is detected the sodium ion in water sample, flows through temperature measurement Chamber 141 is detected water sample temperature, flows through the pH of 111 chamber of pH electrodes detection water sample and then adjusts air pump 51 mixing speed, The discharge of waste discharge chamber 15 is finally flowed through, entire detection process is completed.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of flow cell for sodium ion in-line analyzer, which is characterized in that

Including be connected with admission line and input duct for water sample basification alkalization chamber (11), with the alkalization chamber (11) test chamber (12) connected, and the reference chamber (13) that is connect with the test chamber (12)；The admission line is extend into The inside of the alkalization chamber (11), and it is in communication；

It is connected by least one set of first flow pipe (17) between neighboring chambers, is additionally provided between neighboring chambers for being discharged The second flow pipe of at least one set (18) of generated bubble in the alkalization chamber (11).

2. the flow cell according to claim 1 for sodium ion in-line analyzer, which is characterized in that

Second flow pipe (18) be connected to previous cavity the position at end higher than first flow pipe (17) with it is same Cavity is connected to the position at end；It circulates not less than described first the position that second flow pipe (18) is connected to end with latter cavity Pipeline (17) is connected to the position at end with same cavity.

3. the flow cell according to claim 1 for sodium ion in-line analyzer, which is characterized in that

Second flow pipe (18) is respectively perpendicular setting, and each section of second runner pipe with previous cavity, latter cavity Road (18) is arranged on same straight line.

4. the flow cell according to any one of claim 1 to 3 for sodium ion in-line analyzer, which is characterized in that

The diameter of second flow pipe (18) is more than the diameter of first flow pipe (17)；And/or

One end of first flow pipe (17) is connected to previous cavity, the lower part of the other end being oppositely arranged and next cavity Connection.

5. the flow cell according to any one of claim 1 to 3 for sodium ion in-line analyzer, which is characterized in that

Further include that temperature measures chamber (141), the temperature measures chamber (141) and passes through first flow pipe (17) and described the Two flow pipes (18) are connect with the reference chamber (13).

6. the flow cell according to any one of claim 1 to 3 for sodium ion in-line analyzer, which is characterized in that

It further include the temperature detecting element (142) being installed on the alkalization chamber (11).

7. a kind of sodium ion in-line analyzer, which is characterized in that

The flow cell of sodium ion in-line analyzer is used for including claim 1 to 6 any one of them.

8. sodium ion in-line analyzer according to claim 7, which is characterized in that

The input duct of the flow cell is connected with feed liquor mechanism, between the feed liquor mechanism and the flow cell be equipped with for pair Water sample carries out the thermostat (4) of constant temperature processing.

9. sodium ion in-line analyzer according to claim 7, which is characterized in that

The admission line of the flow cell is connected with basifier bottle (5), the basifier bottle (5) and the air pump (51) for air blowing Connection；The flow cell is additionally provided with the electrode cavity (111) for installing pH electrode detection water sample pH value.

10. sodium ion in-line analyzer according to claim 8, which is characterized in that

The feed liquor mechanism connection is for electrode corrected the first reagent bottle (61) and the second reagent equipped with titer Bottle (62).