CN2373787Y - Automatic sampler for polarograph - Google Patents
Automatic sampler for polarograph Download PDFInfo
- Publication number
- CN2373787Y CN2373787Y CN 99210443 CN99210443U CN2373787Y CN 2373787 Y CN2373787 Y CN 2373787Y CN 99210443 CN99210443 CN 99210443 CN 99210443 U CN99210443 U CN 99210443U CN 2373787 Y CN2373787 Y CN 2373787Y
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- electrolytic cell
- communicated
- drain pipe
- pump
- feed tube
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Abstract
The utility model relates to an automatic sampling device for a polarograph, which is proposed in order to overcome the defect that operation of charging a test sample and washing liquid into the existing electrolytic cell of the polarograph and discharging the test sample and the washing liquid from the existing electrolytic cell of the polarograph is troublesome and easy to damage an electrode. The utility model comprises the electrolytic cell, an electrode frame and the electrode, wherein the electrode is arranged on the electrode frame, and the electrolytic cell is provided with an automatic liquid feeding device and an automatic liquid discharging device. The utility model can both automatically feed the measured sample and the washer solvent into the electrolytic cell and automatically discharge the test sample and the washing liquid. The utility model is convenient to operate, and the electrode can not be damaged in the operational process.
Description
The utility model relates to a kind of automatic sampling device of polarograph.
Polarograph is the important instrument of Zn in the test water, Cd, Pb, Cu equal size.The electrolytic cell of existing polarograph is manually finished adding specimen, emission test sample, when adding cleansing solution and discharging cleansing solution, all needing electrolytic cell is taken off from polarograph electrolytic cell frame.To the washing of electrolytic cell, take a sample, add comparatively trouble of operation such as electrolyte, waste test duration.Sometimes careless manipulation can lesion electrode.
The purpose of this utility model is, provides a kind of the needs to take off electrolytic cell from the electrolytic cell frame, just can finish the electrolytic cell washing, add the polarograph electrolytic cell automatic sampling device of sample and discharging waste liquid.
The purpose of this utility model is achieved in that the polarograph automatic sampling device, comprises that electrolytic cell, arc-spark stand and electricity are installed in the electrode on the arc-spark stand.Its special character is that electrolytic cell has automatic liquid feeder and automatic draining device.
Electrolytic cell is used for the splendid attire specimen, and arc-spark stand is used for fixing electrode, and electrode comprises working electrode, contrast electrode and auxiliary electrode.Automatic liquid feeder can add required liquid, for example specimen, electrolyte, cleansing solution in the trend electrolytic cell.Automatic draining device can be discharged the liquid in the electrolytic cell automatically.Automatic liquid feeder and automatic draining device can be made up of pump and woven hose; Also can form, by the gravitional force adding or the discharging automatically of liquid with operation valve and woven hose.If the employing peristaltic pump can also unite two into one automatic liquid feeder and automatic draining device, peristaltic pump can also be controlled the volume of the liquid that adds electrolytic cell
Electrolytic cell of the present utility model also has sample constant volume control device.
Sample constant volume control device can make on the volume that the specimen that adds in the electrolytic cell and electrolyte be controlled at setting.
Electrolytic cell of the present utility model also has washing constant volume control device.
Washing constant volume control device can make the wash solution in the automatic adding electrolytic cell be controlled on the volume of setting.
Automatic liquid feeder of the present utility model comprises pump 1, feed tube 2 and drain pipe 3; One end of feed tube 2 is communicated with the import of pump 1; One end of drain pipe 3 is communicated with the outlet of pump 1, and the other end of drain pipe 3 stretches to electrolytic cell.
Another kind of automatic liquid feeder of the present utility model comprises sampling receptacle 4, operation valve 5 and drain pipe 6; Sampling receptacle 4 is communicated with the import of operation valve 5; One end of drain pipe 6 is communicated with the outlet of operation valve 5, and the other end of drain pipe 6 stretches to electrolytic cell; Sampling receptacle 4 is higher than electrolytic cell.
Automatic draining device of the present utility model comprises pump 7, feed tube 8 and drain pipe 9; One end of feed tube 8 reaches the bottom of electrolytic cell, and the other end of feed tube 8 is communicated with the import of pump 7; One end of drain pipe 9 is communicated with the outlet of pump 7.
Another kind of automatic draining device of the present utility model comprises feed tube 10, operation valve 11 and drain pipe 12; Feed tube 10 is lower than the bottom of electrolytic cell, and its end is communicated with the bottom of electrolytic cell, and its other end is communicated with the import of operation valve 11; One end of drain pipe 12 is communicated with the outlet of operation valve 11.
Sample constant volume control device of the present utility model comprises pump 13, feed tube 14 and drain pipe 15; One end of feed tube 14 stretches in the electrolytic cell, and aligns with sample constant volume line in the electrolytic cell, and the other end of feed tube 14 is communicated with the import of pump 13; One end of drain pipe 15 is communicated with the outlet of pump 13.
Another kind of sample constant volume control device of the present utility model comprises feed tube 16, operation valve 17 and drain pipe 18; Feed tube 16 is lower than the sample constant volume line of electrolytic cell, and its end is communicated with electrolytic cell, and aligns with sample constant volume line, and its other end is communicated with the import of operation valve 17; One end of drain pipe 18 is communicated with the outlet of operation valve 17.
Washing constant volume control device of the present utility model comprises pump 19, feed tube 20 and drain pipe 21; One end of feed tube 20 stretches in the electrolytic cell, and aligns with washing constant volume line, and the other end of feed tube 20 is communicated with the import of pump 19; One end of drain pipe 21 is communicated with the outlet of pump 19.
Another kind of washing constant volume control device of the present utility model comprises drain pipe 22, and drain pipe 22 is lower than the washing constant volume line of electrolytic cell, and its end is communicated with electrolytic cell, and aligns with the washing constant volume line of electrolytic cell.
Compare with existing polarograph electrolytic cell, owing to the utlity model has automatic liquid feeder, automatic draining device, sample constant volume control device and washing constant volume control device, do not needing to take off under the situation of electrolytic cell, both can automatically specimen, electrolyte, cleansing solution be added in the electrolytic cell, specimen in the electrolytic cell, electrolyte and wash solution can be discharged automatically again, and the specimen and the cleansing solution that add can both be controlled on the volume of setting automatically, simple to operate, save the test duration, operating process can lesion electrode.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 is the synoptic diagram of embodiment 1 of the present utility model.
Fig. 2 is the synoptic diagram of embodiment 2 of the present utility model.
Embodiment 1:
As shown in Figure 1, present embodiment is a kind of polarograph automatic sampling device, it comprises electrolytic cell 23, arc-spark stand 42, be installed in electrode on the arc-spark stand, motor 46, the stirrer 47 that driven by motor 46, automatic liquid feeder, automatic draining device, sample constant volume control device and washing constant volume control device.Electrode comprises working electrode 43, contrast electrode 44 and auxiliary electrode 45.Automatic liquid feeder has three covers, is respectively sample automatic liquid feeder, electrolyte automatic liquid feeder and cleansing solution automatic liquid feeder.The sample automatic liquid feeder comprises pump 1, feed tube 2 and drain pipe 3.One end of feed tube 2 is communicated with the import of pump 1, and the other end is communicated with sample bottle 24.One end of drain pipe 3 is communicated with the outlet of pump 1, and the other end is above electrolytic cell 23.The electrolyte automatic liquid feeder comprises pump 25, feed tube 26 and drain pipe 27.One end of feed tube 26 is communicated with the import of pump 25, and the other end is communicated with electrolyte bottle 28.One end of drain pipe 27 is communicated with the outlet of pump 25, and the other end is above electrolytic cell 23.The cleansing solution automatic liquid feeder comprises pump 29, feed tube 30 and drain pipe 31.One end of feed tube 30 is communicated with the import of pump 29, and the other end is communicated with Washing liquid bottle 32.One end of drain pipe 31 is communicated with the outlet of pump 29, and the other end is above electrolytic cell 23.Automatic draining device comprises pump 7, feed tube 8 and drain pipe 9.One end of feed tube 8 reaches the bottom of electrolytic cell 23, and the other end is communicated with the import of pump 7.One end of drain pipe 9 is communicated with the outlet of pump 7, and the other end stretches in the waste liquid bottle 33.Sample constant volume control device comprises pump 13, feed tube 14 and drain pipe 15.One end of feed tube 14 stretches in the electrolytic cell 23, and aligns with sample constant volume line 34 in the electrolytic cell 23, and the other end is communicated with the import of pump 13.One end of drain pipe 15 is communicated with the outlet of pump 13, and the other end is communicated with waste liquid bottle 33.Washing constant volume control device comprises pump 19, feed tube 20 and drain pipe 21.One end of feed tube 20 stretches in the electrolytic cell 23, and aligns with washing constant volume line 35, and the other end is communicated with the import of pump 19.One end of drain pipe 21 is communicated with the outlet of pump 19, and the other end is communicated with waste liquid bottle 33.
During use, start pump 29 and pump 19, cleansing solution is by in the pump 29 automatic suction electrolytic cells 23 in the Washing liquid bottle 32.When cleansing solution arrived cleansing solution constant volume line 35, cleansing solution had reached the volume of setting, and unnecessary cleansing solution is by in the pump 19 suction waste liquid bottles 33.After washing finishes, start pump 7, the cleansing solution in the electrolytic cell 23 is by in the pump 7 suction waste liquid bottles 33.Start pump 1 and pump 13, the sample in the sample bottle 24 is by in the pump 1 suction electrolytic cell 23, and after the sample in the electrolytic cell 23 arrived sample constant volume line 34, sample had reached the volume of setting, and unnecessary sample is closed pump 13 by in the pump 13 suction waste liquid bottles 33.Start pump 25, the electrolyte in the electrolyte bottle 28 after the electrolyte in the electrolytic cell 23 is an amount of, is closed pump 25 by in the pump 25 suction electrolytic cells 23.After test finishes, start pump 7, sample in the electrolytic cell 23 and electrolyte are by in the pump 7 suction waste liquid bottles 33.
Embodiment 2:
Present embodiment is a kind of polarograph automatic sampling device, it comprises electrolytic cell 23, arc-spark stand 42, is installed in electrode, motor 46, the stirrer 47 by motor 46 drivings, automatic liquid feeder, automatic draining device, sample constant volume control device and washing constant volume control device on the arc-spark stand, and electrode comprises working electrode 43, contrast electrode 44 and auxiliary electrode 45.Automatic liquid feeder has three covers, is respectively sample automatic liquid feeder, electrolyte automatic liquid feeder and washing automatic liquid feeder.The sample automatic liquid feeder comprises sampling receptacle 4, operation valve 5 and drain pipe 6.Sampling receptacle 4 is communicated with the import of operation valve 5.Sampling receptacle 4 is higher than electrolytic cell 23.One end of drain pipe 6 is communicated with the outlet of operation valve 5, and the other end places electrolytic cell 23 tops.The electrolyte automatic liquid feeder comprises electrolyte container 36, operation valve 37 and drain pipe 38.Electrolyte container 36 is communicated with the import of operation valve 37.Electrolyte container 36 is higher than electrolytic cell 23.One end of drain pipe 38 is communicated with the outlet of operation valve 37, the other end places electrolytic cell 23 tops.The washing automatic liquid feeder comprises lye container 39, operation valve 40 and drain pipe 41.Lye container 39 is communicated with the import of operation valve 40.Lye container 39 is higher than electrolytic cell 23.One end of drain pipe 41 is communicated with the outlet of operation valve 40, and the other end places electrolytic cell 23 tops.Automatic draining device comprises feed tube 10, operation valve 11 and drain pipe 12.Feed tube 10 is lower than the bottom of electrolytic cell 23, and its end is communicated with the bottom of electrolytic cell 23, and the other end is communicated with the import of operation valve 11.One end of drain pipe 12 is communicated with the outlet of operation valve 11, and the other end is communicated with waste liquid bottle 33.Sample constant volume control device comprises feed tube 16, operation valve 17 and drain pipe 18.Feed tube 16 is lower than the sample constant volume line 34 of electrolytic cell 23, and its end is communicated with electrolytic cell 23, and aligns with sample constant volume line 34, and the other end is communicated with the import of operation valve 17.One end of drain pipe 18 is communicated with the outlet of operation valve 17, and the other end is communicated with waste liquid bottle 33.Washing constant volume control device comprises drain pipe 22.Drain pipe 22 is lower than the washing constant volume line 35 of electrolytic cell 23, and its end is communicated with electrolytic cell 23, and aligns with the washing constant volume line 35 of electrolytic cell 23, and the other end is communicated with waste liquid bottle 33.
During use, open operation valve 40, cleansing solution enters in the electrolytic cell 23 through lye container 39, drain pipe 41.When cleansing solution arrived washing constant volume line 35, cleansing solution had reached the volume of setting, and unnecessary cleansing solution enters in the waste liquid bottle 33 through drain pipe 22.After washing finishes, open operation valve 11, the cleansing solution in the electrolytic cell 23 is discharged in the waste liquid bottle 33.Closed control valve 11 is opened operation valve 5 and operation valve 17, and sample enters in the electrolytic cell 23 through sampling receptacle 4 and drain pipe 6.When sample reached sample constant volume line 34, the sample in the electrolytic cell 23 had reached the volume of setting, and unnecessary sample enters in the waste liquid bottle 33 closed control valve 17 through feed tube 16 and drain pipe 18.Open operation valve 37, electrolyte enters in the electrolytic cell 23 through electrolyte container 36 and drain pipe 38, after the electrolyte in the electrolytic cell 23 is an amount of, and closed control valve 37.After test finishes, open operation valve 11, sample in the electrolytic cell 23 and electrolyte enter in the waste liquid bottle 33 through feed tube 10 and drain pipe 12.
Claims (11)
1, polarograph automatic sampling device comprises that electrolytic cell, arc-spark stand and electricity are installed in the electrode on the arc-spark stand, is characterized in that electrolytic cell has automatic liquid feeder and automatic draining device.
2, polarograph automatic sampling device according to claim 1 is characterized in that, electrolytic cell also has sample constant volume control device.
3, polarograph automatic sampling device according to claim 2 is characterized in that, electrolytic cell also has washing constant volume control device.
According to claim 1,2 or 3 described polarograph automatic sampling devices, it is characterized in that 4, automatic liquid feeder comprises pump (1), feed tube (2) and drain pipe (3); One end of feed tube (2) is communicated with the import of pump (1); One end of drain pipe (3) is communicated with the outlet of pump (1), and the other end of drain pipe (3) stretches to electrolytic cell.
According to claim 1,2 or 3 described polarograph automatic sampling devices, it is characterized in that 5, automatic liquid feeder comprises sampling receptacle (4), operation valve (5) and drain pipe (6); Sampling receptacle (4) is communicated with the import of operation valve (5); One end of drain pipe (6) is communicated with the outlet of operation valve (5), and the other end of drain pipe (6) stretches to electrolytic cell; Sampling receptacle (4) is higher than electrolytic cell.
According to claim 1,2 or 3 described polarograph automatic sampling devices, it is characterized in that 6, automatic draining device comprises pump (7), feed tube (8) and drain pipe (9); One end of feed tube (8) reaches the bottom of electrolytic cell, and the other end of feed tube (8) is communicated with the import of pump (7); One end of drain pipe (9) is communicated with the outlet of pump (7).
According to claim 1,2 or 3 described polarograph automatic sampling devices, it is characterized in that 7, automatic draining device comprises feed tube (10), operation valve (11) and drain pipe (12); Feed tube (10) is lower than the bottom of electrolytic cell, and its end is communicated with the bottom of electrolytic cell, and its other end is communicated with the import of operation valve (11); One end of drain pipe (12) is communicated with the outlet of operation valve (11).
According to claim 2 or 3 described polarograph automatic sampling devices, it is characterized in that 8, sample constant volume control device comprises pump (13), feed tube (14) and drain pipe (15); One end of feed tube (14) stretches in the electrolytic cell, and aligns with sample constant volume line in the electrolytic cell, and the other end of feed tube (14) is communicated with the import of pump (13); One end of drain pipe (15) is communicated with the outlet of pump (13).
According to claim 2 or 3 described polarograph automatic sampling devices, it is characterized in that 9, sample constant volume control device comprises feed tube (16), operation valve (17) and drain pipe (18); Feed tube (16) is lower than the sample constant volume line of electrolytic cell, and its end is communicated with electrolytic cell, and aligns with sample constant volume line, and its other end is communicated with the import of operation valve (17); One end of drain pipe (18) is communicated with the outlet of operation valve (17).
10, polarograph automatic sampling device according to claim 3 is characterized in that, washing constant volume control device comprises pump (19), feed tube (20) and drain pipe (21); One end of feed tube (20) stretches in the electrolytic cell, and aligns with washing constant volume line, and the other end of feed tube (20) is communicated with the import of pump (19); One end of drain pipe (21) is communicated with the outlet of pump (19).
11, polarograph electrolytic cell according to claim 3, it is characterized in that washing constant volume control device comprises drain pipe (22), drain pipe (22) is lower than the washing constant volume line of electrolytic cell, its end is communicated with electrolytic cell, and aligns with the washing constant volume line of electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99210443 CN2373787Y (en) | 1999-05-15 | 1999-05-15 | Automatic sampler for polarograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99210443 CN2373787Y (en) | 1999-05-15 | 1999-05-15 | Automatic sampler for polarograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2373787Y true CN2373787Y (en) | 2000-04-12 |
Family
ID=34003599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99210443 Expired - Fee Related CN2373787Y (en) | 1999-05-15 | 1999-05-15 | Automatic sampler for polarograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2373787Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680280A (en) * | 2012-05-16 | 2012-09-19 | 杭州泰林生物技术设备有限公司 | Liquid sampling device |
-
1999
- 1999-05-15 CN CN 99210443 patent/CN2373787Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680280A (en) * | 2012-05-16 | 2012-09-19 | 杭州泰林生物技术设备有限公司 | Liquid sampling device |
| CN102680280B (en) * | 2012-05-16 | 2015-02-25 | 杭州泰林生物技术设备有限公司 | Liquid sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |