CN202305287U - On-line sodium ion concentration measuring device - Google Patents
On-line sodium ion concentration measuring device Download PDFInfo
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- CN202305287U CN202305287U CN2011201207631U CN201120120763U CN202305287U CN 202305287 U CN202305287 U CN 202305287U CN 2011201207631 U CN2011201207631 U CN 2011201207631U CN 201120120763 U CN201120120763 U CN 201120120763U CN 202305287 U CN202305287 U CN 202305287U
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- water
- ammonia
- pipe
- appearance water
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Abstract
An on-line sodium ion concentration measuring device is characterized in that a water inlet pipe (2) allowing water sample to enter is arranged on one side of the bottom of a constant-pressure constant-current liquid storage cup (1), and a small hole (5) allowing the water sample to flow out is formed on the other side of the bottom; the water sample flows outside through a gas-water mixing pipe (7); a vent pipe (6) is arranged above the gas-water mixing pipe (7) and leads ammonia-containing gas into the gas-water mixing pipe (7); ammonia is generated by diisopropylamine in an ammonia bottle on a measurement rack; the water sample in the gas-water mixing pipe (7) flows into a sodium electrode measurement cell through an outlet (8); an overflow pipe (3) is arranged in the middle of the liquid storage cup; redundant water sample flows outside through an overflow pipe outlet (4); and the overflow pipe (3) in the liquid storage cup can be moved up and down to change the flow rate of the water sample.
Description
Technical field
Online Na ion concentration analysis is used for power plant boiler and measures to the kation Failure Control of water gaging and water treatment workshop sun bed; Require the technological requirement of the occasion of high purity water processing with other; To the monitoring of sodion in the water, online sodium ion concentration analyzer is used usually the responsive sodium ion selective electrode of sodion is monitored, but the hydrogen ion in the water has great interference to the sodion sensitive electrode; Before carrying out this analysis, must carry out basification to detected sample water (uses appearance water is fed the ammonia method for this reason usually; Improve the pH value of appearance water), remove hydrionic interference, the sodium ions content of this kind of ability correct measurement water; This device is exactly accurate to the processing of appearance scale, removes the new device that hydrogen ion disturbs.
Background technology
The sodium content that the generating plant is used in the branch bleed mainly is used in two places: the one, and boiler feed water; General require to be controlled at several μ g/L (ppb level): whether another is used in picks up the kation of looking into water treatment workshop kation bed and lost efficacy; Generally be controlled in the 100 μ g/L, and the method for measurement sodium content is to adopt the electrode special method responsive to sodion.It is very big that but the hydrogen ion in the water disturbs the sodium electrode measurement, must remove hydrionic interference to the appearance scaleization.And present traditional method is with one bottle of ammonia spirit that ammonia content is high both at home and abroad; Be placed in the hartshorn bottle with gum canal; The appearance current permeate the pH value (also promptly be called as a kind scale processing) of regulating in kind water through the ammonia in the bottle to gum canal through gum canal, and it generally can heighten 3.5 pH values; Thereby carry out the measurement of online sodion.
The utility model content
1 of the method characteristic of the online Na ion concentration measurement mechanism alkalization of this patent is its composition structure; Constant voltage, constant current liquid storing cup 1 among Fig. 1, appearance water gets into from the bottom 2 of liquid storing cup one side, and the opposite side bottom of liquid storing cup is a liquid storing cup appearance water ostium excurrens 5; In the middle of the liquid storing cup is a run-down pipe 3; Unnecessary appearance water flows out from run-down pipe outlet 4, the water outlet of aperture 5, and it flows into the electrode measurement system via mixing battery 7 by water delivering orifice 8; A snorkel 6 is arranged above mixing battery 7; It imports mixing battery 7 (ammonia is produced by the third ammonia liquid storage bottle of diethyl on the measurement bay) containing ammonia, by 8 flow into the electrode measurement ponds the appearance water of the measured Na ion concentration of appearance water after by basification, this kind water is because the underbalance effect that the appearance water flow velocity produces; Make detected sample water carry out basification through 6 ammonias that suck in the ammonia bottles, thereby reduced in the appearance water hydrogen ion the interference of sodium electrode measurement system;
2 of the method characteristic of online Na ion concentration measurement mechanism alkalization is that mixing battery 7 is internal diameter φ 2.4 pipelines among Fig. 1; It is the aperture of φ 1 that appearance water gets into hole 5; Because the internal diameter of mixing battery 7 is greater than the diameter of ostium excurrens 5; The part that space in the mixing battery 7 is not enough sucks ammonia by 6 and replenishes, thereby has improved the pH value of appearance water, has so just strengthened the alkalization efficient to appearance water; Removed the hydrionic interference (promptly being called as a kind scale processing) that flows in the measuring system appearance water effectively; Certainly change the internal diameter of mixing battery 7 and the ratio in 5 apertures, sample water outlet hole, can change the ratio that ammonia gets into appearance water, thereby reach the desired alkalization degree of measuring;
3 of the method characteristic of online Na ion concentration measurement mechanism alkalization is that the height of run-down pipe 3 in constant voltage, constant current liquid storing cup can upper and lowerly move; Changed the pressure that gets into the sodion measuring cell thus; Thereby change the flow velocity of the water that changes; Reach the ammonia controllability that adds appearance water with this, can use minimum ammoniacal liquor consumption to reach the requirement that online Na ion concentration measurement mechanism alkalizes like this, reduced user's operating cost and maintenance cost.
We adopt the advantage of method to be:
1. basification (promptly removing hydrogen ion disturbs) efficient is high, generally can heighten 3.8～5.0 pH, and this is more effective for accurate measurement sodium ions content.Monitoring especially for whether the ion of water technology middle-jiao yang, function of the spleen and stomach ion bed lost efficacy particularly important (judge whether the sun bed lost efficacy decides) with monitoring sun bed Na ion concentration; Because the pH value of sun bed is original just lower; Be difficult to remove hydrionic interference with traditional alkalization method, and can achieve the goal easily with our method.
2. traditional gum canal method, gum canal is very easy to be aging, the user is used to bring is not put just, and the gum canal after aging its advance the ammonia amount can corresponding diminishing, cause measuring error.
3. user's operating cost and maintenance cost have been reduced.
Description of drawings
1. Fig. 1 is online Na ion concentration measurement mechanism system schematic.
2 is the appearance water inlet among the figure, and appearance water is run-down pipe through 2 entering constant voltages, constant current liquid storing cup 1,3; It is high and low for scalable, and because of water level just causes a kind water pressure difference, it is controlled to reach the appearance water flow velocity that gets into measuring system; Unnecessary appearance water is flowed out by run-down pipe outlet 4 in the ammonia concentration that sucks measuring system different (ammonia is by the pipe 6 importings) measuring cup because of appearance water flow velocity difference is directed at, and 5 is the ostium excurrens of the appearance water inflow measuring system in constant voltage, the constant current liquid storing cup, through mixing battery 7; Get into Na ion concentration electrode measurement system by 8 kinds of water of outlet, 6 is snorkels, is installed in 7 tops; It imports ammonia in the detected sample water, ammonia inlet size-controlled in the appearance water flow velocity, and 5 pairs of mixing battery internal diameter 7 magnitude proportion in water outlet aperture and deciding; 8 is the mixing battery water delivering orifice after alkalization, leads to sodium electrode measurement pond, and mixing battery 7 is internal diameter φ 2.4 pipelines; It is the aperture of φ 1 that appearance water gets into hole 5; Because the internal diameter of mixing battery 7 is greater than portal 5 diameter of appearance current, the parts that the space in the mixing battery 7 is not enough get into pipe 6 by ammonia and suck ammonias and replenish, thereby have improved the pH value of appearance water; So just strengthened alkalization efficient, removed the hydrionic interference (promptly being called as a kind scale processing) that flows in the measuring system appearance water effectively appearance water.
2. Fig. 2 is online Na ion concentration measurement mechanism user mode figure
It has showed the process of circulation of measured appearance water and the flow process of the diethylamino gas in the reagent bottle.Existing the legend relevant with the patent part described, the 3 constant pressure and flow liquid storing cups that are among Fig. 1 among Fig. 2, the 4th, the mixing battery of introducing the electrode measurement system through the appearance water of alkalization, 5 is the ammoniacal liquor liquid storage bottle, ammonia is produced by third ammonia volatilization of diethyl in the bottle; Appearance water flows into online Na ion concentration measuring cell electrode system and measures after alkalizing.
Other label is partly made brief description among existing the figure: 1 is that Na ion concentration is proofreaied and correct liquid pump automatically among the figure, and the fluid reservoir that holds the standard Na ion concentration is pumped in the liquid storing cup 3 of constant pressure and flow by pump 1 through 2, and instrument is carried out the self-timing calibration; The 6th, temperature sensor; Among the figure 7,9, be the Na ion concentration electrode measurement system in the measuring cell; The 8th, the passage of electrode system draining, the 12nd, the logical air pipe of storage ammonia bottle makes that storage ammonia bottle is unlikely to produce a negative pressure because of the ammonia volatilization is directed in the bottle; 10, the 11st, the import and export that on-the-spot appearance water gets into the flowrate control valve of constant voltage, constant current liquid storing cup, the 13rd, the signal processing circuit of cooperation electrode system.
3. Fig. 3 is the side view of Fig. 2.
The utility model embodiment
1. through making the sample introduction water treatment system of a novel online sodium measurement device, the hydrogen ion of measuring appearance water because of hydrionic disturbing effect sodion in the water disturbs the new device of removing, and it is made up of each parts among Fig. 1; 2 is the appearance water inlet among the figure, and it is run-down pipe that appearance water gets into constant pressure and constant flow liquid storage cup 1,3 through 2; It is high and low for scalable, because of water level just causes a kind water pressure difference, so 1 and 3 formed constant voltage, the constant-current system of detected sample water; It is controlled to reach the appearance water flow velocity that gets into measuring system, and because of appearance water flow velocity difference is directed at the ammonia concentration that sucks measuring system different (ammonia is imported by pipe 6), appearance water unnecessary in the measuring cup is flowed out by run-down pipe outlet 4; 5 is the ostium excurrens of the appearance water inflow measuring system in the liquid storing cup; Appearance water gets into the sodium ion electrode measuring systems through mixing battery 7, and 6 is snorkels, and it imports mixing battery (ammonia inlet size-controlled in the appearance water flow velocity containing ammonia; With 5 pairs of mixing battery internal diameter 7 magnitude proportion in water outlet aperture); 8 are the mixing battery outlet, and the appearance water after alkalization leads to sodium electrode measurement pond, mixing battery 7 side's internal diameter φ 2.4 pipelines by 8; Appearance current portal and 5 are the aperture of φ 1 in the cup; Because the internal diameter of mixing battery 7 is greater than portal 5 diameter of appearance current, the parts that the space in the mixing battery 7 is not enough get into pipe 6 by ammonia and suck ammonias and replenish, thereby have improved the pH value of appearance water; So just strengthened alkalization efficient, removed the hydrionic interference (promptly being called as a kind scale processing) that flows in the measuring system appearance water effectively appearance water;
2. after using this patent, can improve 3.8-5.0 pH to the pH value of appearance water, example: be used for a Guangdong Meixian Power Plant monitoring sun online Na ion concentration that lost efficacy and measure, the contrast of measurement result sees Table 1 after using with conventional art and this patent
Effect comparison table 1 behind traditional measurement and the use this patent
Explain: by power plant's technological specification, 1,2,3,4, number sun bed, all should declare near failure; Tackle its kation Regeneration Treatment; But can continue to use with even being judged to of conventional art, its reason is not enough to the appearance scaleization, all in time obtains the judgement that should regenerate after the patent art and adopt.
Claims (1)
1. online Na ion concentration measurement mechanism; It is characterized in that constant voltage, constant current liquid storing cup (1) bottom one side have water inlet pipe (2) to get into appearance water, bottom opposite side aperture (5) flows out appearance water, and it flows out via mixing battery (7); In mixing battery (7) top a snorkel (6) is arranged; It imports mixing battery (7) containing ammonia, and ammonia is to be produced by third ammonia of the diethyl in the ammonia bottle on the measurement bay, and the appearance water of pipe (7) flows into sodium electrode measurement pond through outlet (8); In the middle of the liquid storing cup is a run-down pipe (3), and unnecessary appearance water flows out from run-down pipe outlet (4), and the height of run-down pipe (3) in liquid storing cup can upper and lowerly move, in order to change the appearance water flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201207631U CN202305287U (en) | 2011-04-22 | 2011-04-22 | On-line sodium ion concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201207631U CN202305287U (en) | 2011-04-22 | 2011-04-22 | On-line sodium ion concentration measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN202305287U true CN202305287U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201207631U Expired - Fee Related CN202305287U (en) | 2011-04-22 | 2011-04-22 | On-line sodium ion concentration measuring device |
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| Country | Link |
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| CN (1) | CN202305287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454129A (en) * | 2013-09-05 | 2013-12-18 | 贵阳学通仪器仪表有限公司 | On-line sodium analyzer |
| CN111657121A (en) * | 2020-05-29 | 2020-09-15 | 中铁城市规划设计研究院有限公司 | Landscape flower bed soil moisture automatic control system |
-
2011
- 2011-04-22 CN CN2011201207631U patent/CN202305287U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454129A (en) * | 2013-09-05 | 2013-12-18 | 贵阳学通仪器仪表有限公司 | On-line sodium analyzer |
| CN111657121A (en) * | 2020-05-29 | 2020-09-15 | 中铁城市规划设计研究院有限公司 | Landscape flower bed soil moisture automatic control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20140422 |