CN203053982U - Automatic analyzer for residual chloride in pipe network - Google Patents
Automatic analyzer for residual chloride in pipe network Download PDFInfo
- Publication number
- CN203053982U CN203053982U CN 201220729074 CN201220729074U CN203053982U CN 203053982 U CN203053982 U CN 203053982U CN 201220729074 CN201220729074 CN 201220729074 CN 201220729074 U CN201220729074 U CN 201220729074U CN 203053982 U CN203053982 U CN 203053982U
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- automatic analyzer
- pipe network
- switch
- sample
- chlorine residue
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Abstract
The utility model discloses an automatic analyzer for residual chloride in a pipe network. The automatic analyzer comprises a detection basin, an overflow port, an injection port, a liquid inlet device and a control device, wherein the detection basin is used for containing a sample, and an auxiliary part for balancing the internal pressure of the detection basin and atmospheric pressure; the overflow port is formed in the side wall of the detection basin and is used for limiting liquid level, and a first switch capable of preventing the sample in detection from outflowing is arranged at the overflow port; the injection port is formed in the top of the detection basin, and a second switch for controlling incoming and outgoing of the sample is arranged at the injection port; the liquid inlet device is used for conveying a buffer solution and a color developing agent; and the control device is in communication connection with the first switch, the second switch and the liquid inlet device. Due to adoption of the technical scheme, the automatic analyzer for the residual chloride in the pipe network provided by the utility model has the advantages that the sample flows into the detection basin under the action of self gravity or pressure, after needed detection amount is satisfied, the redundant liquid outflows from the overflow port, the sampling accuracy is ensured, and the detection results are accurate.
Description
Technical field
The utility model relates to the water sample analysis field, particularly a kind of pipe network chlorine residue automatic analyzer.
Background technology
Disinfection process at tap water, municipal administration and industrial waste water, recycle-water, industrial circulating cooling water, desalination water etc. generally adopts chloride sanitizer, and chlorine-containing disinfectant is cheap, and is respond well, and easy to operate.Must guarantee a certain amount of chlorine residue in the municipal tap water, guarantee the microbiological indicator safety in the potable water, therefore, the analysis of chlorine residue is very important in the potable water.
At present, Chang Yong chlorine residue detection method comprises N, N-diethyl-1,4-phenylenediamine (DPD) photometry and electrode method.DPD method comparative maturity, comparatively general, chlorine residue analyser of the prior art adopts sampling pump to take a sample, because sampling is a spot of, the bad control of precision of sampling pump sampling just causes the test result deviation easily, influences staff's judgement.
Therefore, how to improve the sampling precision of chlorine residue analyser, improve the sample test precision, become the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of pipe network chlorine residue automatic analyzer, to improve the sampling precision of chlorine residue analyser, improves the sample test precision.
For achieving the above object, the utility model provides following technical scheme:
A kind of pipe network chlorine residue automatic analyzer comprises:
Be used for the detection cell of splendid attire sample, described detection cell is provided with the auxiliary member for the described detection cell internal pressure of balance and atmospheric pressure;
Be opened in the overflow vent of restriction liquid level on the sidewall of described detection cell, described overflow vent is provided with first switch that the sample in can preventing from detecting flows out;
Injection port, described injection port is arranged on the top of described detection cell, and described injection port is provided with the second switch of control sample turnover;
Feeding device for delivery of damping fluid and developer;
Control device, described control device and described first switch, described second switch and described feeding device can communicate to connect.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, the bottom of described detection cell offers leakage fluid dram, and the 3rd switch that flows out for the control sample is installed on the described leakage fluid dram.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, also comprise be used to the stirring apparatus that damping fluid and developer and sample are fully reacted.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described stirring apparatus comprises:
Be arranged on the magnetic stirring apparatus in the described detection cell outside;
Be arranged on described detection cell magnetic stir bar inner and agitated liquid under described magnetic stirring apparatus effect.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, comprise also being arranged on the described detection cell for detection of the pick-up unit of contents of residual chlorine in the sample that described pick-up unit comprises:
Light source;
Be arranged on the offside of described light source, for detection of the detecting device of sample absorbance.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described feeding device comprises:
Feed tube;
For delivery of first pump of damping fluid and second pump of conveying developer.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described the 3rd switch, described first pump, described second pump, described stirring apparatus and described pick-up unit all can communicate to connect with described control device.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described auxiliary member is air hose.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described switch, described switch and described switch are solenoid valve.
Preferably, in above-mentioned pipe network chlorine residue automatic analyzer, described control device is PLC.
From technique scheme as can be seen, the pipe network chlorine residue automatic analyzer that the utility model provides, open injection port switch and overflow vent switch, sample flows into from injection port, and excess liquid can flow out from overflow vent, continue for some time, arrive steady state (SS), the switch of closing injection port place and overflow vent place, feeding device is transported to damping fluid and developer in the detection cell, reflection, the content of chlorine in the test sample then develop the color.The device that this programme provides, under the effect of self gravitation, replaced the mode of in prior art with sampling pump taking a sample by the mode of injection port inflow detection cell with sample, the sampling pump sampling, sampling precision is not easy to hold, cause the test deviation easily, the device that this programme provides utilizes water body gravity or pressure effect, and sample flows in the detection cell, arrive after the detection limit that needs, excess liquid can flow out from overflow vent, has ensured the precision of sampling, makes the result who records more accurate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the pipe network chlorine residue automatic analyzer that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of pipe network chlorine residue automatic analyzer, to improve the sampling precision of chlorine residue analyser, improve the sample test precision.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of the pipe network chlorine residue automatic analyzer that Fig. 1 provides for the utility model embodiment.
A kind of pipe network chlorine residue automatic analyzer comprises: be used for the detection cell 3 of splendid attire sample, detection cell 3 is provided with the auxiliary member 2 for balance detection pond 3 internal pressures and atmospheric pressure; Be opened in the overflow vent 4 of restriction liquid level on the sidewall of detection cell 3, overflow vent 4 is provided with first switch 5 that the sample in can preventing from detecting flows out; Injection port, injection port are arranged on the top of detection cell 3, and injection port is provided with the second switch 1 of control sample turnover; Feeding device for delivery of damping fluid and developer; Control device, control device and first switch 5, second switch 1 and feeding device can communicate to connect.
The concrete course of work is, open first switch 5 and second switch 1, because detection cell 3 is provided with the auxiliary member 2 for balancing Atmospheric pressure and detection cell 3 internal pressures, so sample can flow under the effect of self gravitation or pressure in the detection cell 3, after a period of time, flow into the height that detection cell 3 interior samples can arrive overflow vent 4, liquid continues to flow into, excess liquid can flow out from overflow vent 4, and after continuing for some time, the amount of liquid in detection cell can arrive a stable amount, close first switch 5 and second switch 1, feeding device carries damping fluid and developer in detection cell 3, carries out chromogenic reaction, then the content of chlorine residue in the test sample, in this device, unlatching and the closure of first switch 5 and second switch 1 are all controlled by control device with the work of feeding device, have reduced hand labor intensity.The device that this programme provides, utilize gravity or the pressure of sample self to flow into detection cell, solved the inaccurate problem of sampling pump sampling precision in the prior art, offered overflow vent 4 at detection cell 3, control the amount of sampling, arrive the position of overflow vent 4 when sample, unnecessary sample can flow out automatically, make sample continue to flow out a period of time, the sample size in the detection cell 3 can remain on a stable value, has so just guaranteed the precision of sampling, saved the metering process to taking a sample in the testing process simultaneously, be that device structure is simple, and improved the sampling precision of chlorine residue analyser, thereby improved the sample test precision.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, the bottom of described detection cell 3 offers leakage fluid dram, and the 3rd switch 8 that flows out for the control sample is installed on the leakage fluid dram.After detection is finished, open the 3rd switch 8 of the leakage fluid dram of detection cell 3 bottoms, the liquid in the detection cell 3 is all discharged, avoid the test of next sample is exerted an influence, also can open 2 pairs of detection cells 3 of first switch simultaneously and clean.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, comprise that also be used to the stirring apparatus that damping fluid and developer and sample are fully reacted, stirring apparatus can be accelerated the reaction velocity between each reactive material, shorten detection time, increase work efficiency.Preferably, the damping fluid that this programme adopts is the damping fluid of potassium dihydrogen phosphate, sodium hydrogen phosphate and EDTA disodium (disodium ethylene diamine tetraacetate), and the pH value of damping fluid is 5 ~ 7; The developer that adopts is N, N-diethyl-1, and the sulfuric acid solution of 4-phenylenediamine, N, N-diethyl-1, the concentration of 4-phenylenediamine is 0.5% ~ 5%, the concentration that sulfuric acid adopts is 0.05% ~ 1.0%.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, stirring apparatus comprises: the magnetic stirring apparatus 9 that is arranged on the detection cell outside; Be arranged on detection cell magnetic stir bar 7 inner and agitated liquid under magnetic stirring apparatus 9 effects.Magnetic stir bar 7 is agitated liquid under the effect of magnetic stirring apparatus 9, makes damping fluid, developer and sample fully contact and reacts, and has shortened the reaction time, has improved work efficiency.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, comprise also being arranged on the detection cell for detection of the pick-up unit of contents of residual chlorine in the sample that pick-up unit comprises: light source 10; Be arranged on the offside of light source 10, for detection of the detecting device 6 of sample absorbance.
The concrete course of work is, light source 10 is installed in a side of detection cell 3, and detecting device 6 is installed in the offside of light source 10, the light that light source 10 sends is through the sample after the chromogenic reaction, received by detecting device 6, the absorbance according to detecting device 6 receives further records the contents of residual chlorine in the sample.When the detected color sample of developer is dark, contents of residual chlorine height in the sample then; Otherwise then contents of residual chlorine is few.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, feeding device comprises: feed tube 13; For delivery of first pump 12 of damping fluid and second pump 14 of conveying developer.Damping fluid and developer are transported to feed tube 13 by first pump 12 and second pump 14 respectively, after mixing is finished, are transported in the detection cell 3 again, have reduced manual intervention, have also reduced hand labor intensity.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, the 3rd switch 8, first pump 12, second pump 14, stirring apparatus and pick-up unit all can communicate to connect with control device, reduced manual intervention, also reduced hand labor intensity, make the pipe network chlorine residue analyze the realization robotization automatically, can realize that real-time online detects.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, auxiliary member 2 is air hose, auxiliary member 2 also can be to offer a hole at detection cell 3, guarantee pressure and atmospheric pressure balance in the detection cell 3, sample can be flowed down under the effect of self gravitation or pressure, certainly, auxiliary member 2 also can be other devices that can realize this function, and this programme is not done concrete restriction.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, second switch 1, first switch 3 and the 3rd switch 8 are solenoid valve, solenoid valve can carry out Long-distance Control by control device, more commonly be, use and have certain security, and cheap.When except solenoid valve, switch also can be realized the device of this function for other, and this programme is not done concrete restriction.
In order further to optimize technique scheme, in a specific embodiment of the present utility model, control device is PLC, PLC reliability height, and antijamming capability is strong, and program is simple, convenient debugging, and cost is relatively low.Certainly, control device also can be realized the device of this function for other, and this programme is not done concrete restriction.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. a pipe network chlorine residue automatic analyzer is characterized in that, comprising:
Be used for the detection cell (3) of splendid attire sample, described detection cell (3) is provided with the auxiliary member (2) for the described detection cell of balance (3) internal pressure and atmospheric pressure;
Be opened in the overflow vent (4) of restriction liquid level on the sidewall of described detection cell (3), described overflow vent (4) is provided with first switch (5) that the sample in can preventing from detecting flows out;
Injection port, described injection port is arranged on the top of described detection cell (3), and described injection port is provided with the second switch (1) of control sample turnover;
Feeding device for delivery of damping fluid and developer;
Control device, described control device and described first switch (5), described second switch (1) and described feeding device can communicate to connect.
2. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that, the bottom of described detection cell (3) offers leakage fluid dram, and the 3rd switch (8) that flows out for the control sample is installed on the described leakage fluid dram.
3. pipe network chlorine residue automatic analyzer according to claim 2 is characterized in that, described the 3rd switch (8) can communicate to connect with described control device.
4. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that, also comprises be used to the stirring apparatus that damping fluid and developer and sample are fully reacted.
5. pipe network chlorine residue automatic analyzer according to claim 4 is characterized in that, described stirring apparatus and described control device can communicate to connect.
6. pipe network chlorine residue automatic analyzer according to claim 4 is characterized in that described stirring apparatus comprises:
Be arranged on the magnetic stirring apparatus (9) in the described detection cell outside;
Be arranged on described detection cell magnetic stir bar (7) inner and agitated liquid under described magnetic stirring apparatus (9) effect.
7. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that, also comprises being arranged on described detection cell (3) upward for detection of the pick-up unit of contents of residual chlorine in the sample, and described pick-up unit comprises:
Light source (10);
Be arranged on the offside of described light source (10), for detection of the detecting device (6) of sample absorbance.
8. pipe network chlorine residue automatic analyzer according to claim 7 is characterized in that, described pick-up unit and described control device can communicate to connect.
9. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that described feeding device comprises:
Feed tube (13);
For delivery of first pump (12) of damping fluid with for delivery of second pump (14) of developer.
10. pipe network chlorine residue automatic analyzer according to claim 9 is characterized in that, described first pump (12) and described second pump (14) all can communicate to connect with described control device.
11. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that described auxiliary member (2) is air hose.
12. pipe network chlorine residue automatic analyzer according to claim 2 is characterized in that, described second switch (1), described first switch (5) and described the 3rd switch (8) are solenoid valve.
13. pipe network chlorine residue automatic analyzer according to claim 1 is characterized in that described control device is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729074 CN203053982U (en) | 2012-12-26 | 2012-12-26 | Automatic analyzer for residual chloride in pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729074 CN203053982U (en) | 2012-12-26 | 2012-12-26 | Automatic analyzer for residual chloride in pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053982U true CN203053982U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220729074 Expired - Lifetime CN203053982U (en) | 2012-12-26 | 2012-12-26 | Automatic analyzer for residual chloride in pipe network |
Country Status (1)
| Country | Link |
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| CN (1) | CN203053982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535519A (en) * | 2014-12-12 | 2015-04-22 | 东北石油大学 | Online detection device for concentration of polyacrylamide in oilfield wastewater |
| CN111474168A (en) * | 2020-03-05 | 2020-07-31 | 力合科技（湖南）股份有限公司 | Residual chlorine analysis method |
-
2012
- 2012-12-26 CN CN 201220729074 patent/CN203053982U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535519A (en) * | 2014-12-12 | 2015-04-22 | 东北石油大学 | Online detection device for concentration of polyacrylamide in oilfield wastewater |
| CN111474168A (en) * | 2020-03-05 | 2020-07-31 | 力合科技（湖南）股份有限公司 | Residual chlorine analysis method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |