CN203981646U - Perchlorate's on-line monitoring system - Google Patents
Perchlorate's on-line monitoring system Download PDFInfo
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- CN203981646U CN203981646U CN201420243622.2U CN201420243622U CN203981646U CN 203981646 U CN203981646 U CN 203981646U CN 201420243622 U CN201420243622 U CN 201420243622U CN 203981646 U CN203981646 U CN 203981646U
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- perchlorate
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Abstract
The utility model discloses a kind of perchlorate's on-line monitoring system, comprise sampler, sampling device, water sample pretreating device, ion chromatography device and data acquisition processing device; Sampler, for automatically extracting and store water sample from monitoring point; Sampling device, for extracting water sample from sampler and water sample being pushed to water sample pretreating device, and will push ion chromatography device through water sample pretreating device water sample after treatment; Water sample pretreating device, for removing the interference impurity of water sample; Ion chromatography device, for generating corresponding perchlorate figure spectrum information to premenstrual water sample after treatment; Data acquisition processing device, for read ion chromatography device generate perchlorate figure spectrum information to determine water sample perchlorate's content.The on-line monitoring of having realized perchlorate, has improved accuracy of detection, and has met the Real-Time Monitoring demand of many places pollution source, for water quality monitoring is provided convenience.
Description
Technical field
The utility model relates to water quality monitoring field, especially, relates to a kind of perchlorate's on-line monitoring system for water quality monitoring.
Background technology
In recent years, the water contamination accident that affects China's water quality safety occurs repeatedly, and the pollution of water environment, not only can affect people's normal life and healthy, also can cause larger economic loss to society.Perchlorate is a kind of Environmental Residues thing, because perchlorate relatively concentrates and may affect health at human thyroglobulin position, therefore be necessary to carry out perchlorate's monitoring for surface water and potable water.
Existing perchlorate chromatographic detection is mainly used in laboratory, and most of experimentations need manual intervention operation, measure front for complicated water sample, need comparatively loaded down with trivial details water sample pre-treatment, and traditional laboratory water quality monitoring is difficult to meet the demand of on-line monitoring, and laboratory water quality monitoring also exists that artificial sample real-time is poor, sampling equipment and analytical equipment are not used in conjunction the defects such as the complex operation causing.
Utility model content
The utility model object is to provide a kind of perchlorate's on-line monitoring system, cannot realize the technical matters of on-line monitoring to solve perchlorate in existing water quality monitoring.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of perchlorate's on-line monitoring system, comprises sampler, sampling device, water sample pretreating device, ion chromatography device and data acquisition processing device;
Sampler, for automatically extracting and store water sample from monitoring point;
Sampling device, for extracting water sample from sampler and water sample being pushed to water sample pretreating device, and will push ion chromatography device through water sample pretreating device water sample after treatment;
Water sample pretreating device, for removing the interference impurity of water sample;
Ion chromatography device, for to generating corresponding perchlorate figure spectrum information through water sample pretreating device water sample after treatment;
Data acquisition processing device, for read ion chromatography device generate perchlorate figure spectrum information to determine water sample perchlorate's content.
Further, sampler comprises:
The water pump, reserve tank, distribution pump and the sampling cup that connect successively, at least one place in connecting tube between connecting tube and distribution pump and sampling cup between connecting tube, reserve tank and distribution pump between input end, water pump and the reserve tank of water pump is provided with electromagnetic switch, and electromagnetic switch, water pump and distribution pump all receive the steering order work of data acquisition processing device.
Further, at least one in reserve tank and sampling cup is provided with filter element.
Further, in reserve tank and sampling cup, be equipped with level switch, data acquisition processing device connects electromagnetic switch, water pump and distribution pump through PLC controller, level switch electrical connection PLC controller, PLC controller is according to the liquid level signal control water pump action of the level switch corresponding with reserve tank receiving; PLC controller is according to the liquid level signal control distribution pump action of the level switch corresponding with sampling cup receiving.
Further, sampling device comprises:
Sample introduction body, sample introduction body is provided with multiple ports for input and output, wherein, multiple ports for input and output comprise: for inputting from the first port of the water sample of sampler, for exporting water sample to the second port of water sample pretreating device, for reclaiming the 3rd port of water sample after water sample pretreating device is processed, for being communicated to the 4th port of ion chromatography device and for being communicated to the five-port of pump unit, pump unit for generation of suction power to drive into suction or the outflow of the intrinsic water sample of sample.
Further, five-port comprises the first branch road that is communicated to straight pump unit and the second branch road that is provided with infrared tube, and the first branch road and the second branch road are connected in parallel through three-way solenoid valve, realize the switching of two branch roads.
Further, pump unit is syringe, and the suction of syringe drives through stepper motor.
Further, sample introduction body is also provided with the multiple auxiliary ports for inputting auxiliary sample.
Further, water sample pretreating device comprises:
Membrane filter unit, Solid-Phase Extraction unit and ultraviolet digestion unit,
Sampling device is communicated at least one in membrane filter unit, Solid-Phase Extraction unit and ultraviolet digestion unit through hyperchannel selector valve.
Further, data acquisition processing device connects the data transmission module for long-range uploading data.
The utlity model has following beneficial effect:
The utility model perchlorate on-line monitoring system, integrated sampler, sampling device, water sample pretreating device, ion chromatography device and data acquisition processing device, automatic sampling, auto injection and pre-treatment that perchlorate stratographic analysis detects are realized, and be used in conjunction between each parts, realize perchlorate's on-line monitoring, overcome the defect that real-time is poor, reliability is low that laboratory is detected, improve accuracy of detection, and met the Real-Time Monitoring demand of many places pollution source, for water quality monitoring is provided convenience.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the principle block diagram of the utility model preferred embodiment perchlorate on-line monitoring system;
Fig. 2 is the structural representation of sampler in the utility model preferred embodiment; And
Fig. 3 is the unitized construction schematic diagram of sampling device in the utility model preferred embodiment, water sample pretreating device and ion chromatography device.
Description of reference numerals:
10, sampler; 20, sampling device; 30, water sample pretreating device; 40, ion chromatography device; 50, data acquisition processing device; 11, water pump; 12, reserve tank; 13, distribution pump; 14, sampling cup; 121, filter core; 123, the first level switch; 141, filtering head; 143, the second level switch; 15, PLC controller; 16, electromagnetic switch; 17, relay group; 18, contactor group; 21, sample introduction body; 211, the first port; 212, the second port; 213, the 3rd port; 214, the 4th port; 215, five-port; 216, auxiliary port; 22, pump unit; 23, infrared tube; 31, membrane filter unit; 32, Solid-Phase Extraction unit; 33, ultraviolet digestion unit; 34, hyperchannel selector valve; 51, data transmission module.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of perchlorate's on-line monitoring system, detects the problem that cannot realize on-line monitoring to solve perchlorate chromatogram in existing water quality detection.The present embodiment on-line monitoring system comprises sampler 10, sampling device 20, water sample pretreating device 30, ion chromatography device 40 and data acquisition processing device 50; Wherein,
Sampler 10, for automatically extracting and store water sample from monitoring point; As on-line monitoring system being arranged on to the places such as river, lake or Wastewater floss hole, by the cycle or extract in real time and store water sample;
Sampling device 20, for extracting water sample from sampler 10 and water sample being pushed to water sample pretreating device 30, and will push ion chromatography device 40 through water sample pretreating device 30 water sample after treatment;
Water sample pretreating device 30, for removing the interference impurity of water sample, disturbing impurity is particle and to the noisy inorganic ions of measurement result or organism etc., and the present embodiment is removed particle, ionic impurity or the organic impurities etc. in water sample according to the heterogeneity of water sample impurities;
Ion chromatography device 40, for to generating corresponding perchlorate figure spectrum information through water sample pretreating device 30 water sample after treatment;
Data acquisition processing device 50, for reading perchlorate figure spectrum information that ion chromatography device 40 generates to determine water sample perchlorate's content.
The present embodiment on-line monitoring system, can by the cycle or in real time to monitoring point sample, sample pre-treatments, data analysis, thereby obtain perchlorate's content of each monitoring point, realize perchlorate's on-line monitoring, overcome the defect that real-time is poor, reliability is low that laboratory is detected, improve accuracy of detection, and met the Real-Time Monitoring demand of many places pollution source, for water quality monitoring is provided convenience.
With reference to Fig. 2, in the present embodiment, sampler 10 comprises: the water pump 11, reserve tank 12, distribution pump 13 and the sampling cup 14 that connect successively.Wherein, at least one place in the connecting tube between the connecting tube between the connecting tube between the input end of water pump 11, water pump 11 and reserve tank 12, reserve tank 12 and distribution pump 13 and distribution pump 13 and sampling cup 14 is provided with electromagnetic switch 16.In the present embodiment, on the connecting tube between input end and water pump 11 and the reserve tank 12 of water pump 11, be provided with electromagnetic switch 16, under the work order of data acquisition processing device 50, be located at electromagnetic switch 16 conductings of the input end of water pump 11, water pump 11 starts, thereby the water sample of monitoring point is extracted to reserve tank 12, in reserve tank 12, be provided with the first level switch 123, to detect in real time the water level of reserve tank 12, when the liquid level in reserve tank 12 reaches predetermined altitude, data acquisition processing device 50 is positioned at the electromagnetic switch 16 of the input end of water pump 11 to be ended according to the signal controlling of the first level switch 123, and close water pump 11.Water sample is after the reserve tank 12 interior precipitation schedule time, data acquisition processing device 50 sends instruction control and is located at electromagnetic switch 16 conductings on the connecting tube between water pump 11 and reserve tank 12 and opens distribution pump 13, distribution pump 13 starts toward water distribution sample in sampling cup 14, in sampling cup 14, be provided with the second level switch 143, to detect in real time the water level of sampling cup 14, when the water sample in sampling cup 14 reaches predetermined altitude, data acquisition processing device 50 sends the instruction that stops water distribution, end and close distribution pump 13 to control the electromagnetic switch 16 of being located on connecting tube between water pump 11 and reserve tank 12.The present embodiment sampler 10 has been realized the automatic extraction to water sample to be measured under the control of data acquisition processing device 50.
Preferably, in order to realize the primary filter processing to water sample, at least one in reserve tank 12 and sampling cup 14 is provided with filter element.In the present embodiment, in reserve tank 12, be provided with filter core 121, in sampling cup 14, be provided with filtering head 141, to realize the cascade filtration processing to water sample in sampling process.
Preferably, in the present embodiment, data acquisition processing device 50 is controlled electromagnetic switch 16, water pump 11 and distribution pump 13 through PLC controller 15, PLC controller 15 is controlled conducting or the cut-off of electromagnetic switch 16 through relay group 17, PLC controller 15 controls the unlatching of water pump 11 and distribution pump 13 or cuts out through contactor group 18; The detection signal of the first level switch 123 and the second level switch 143 all feeds back to PLC controller 15, thereby realize the centralized control processing of PLC controller 15 to sampler 10, simplify the steering logic of data acquisition processing device 50,50 of data acquisition processing devices need to generate real time sample instruction or periodic intervals sampling instruction, by the automatic sampling process of PLC controller 15 centralized control samplers 10.
With reference to Fig. 3, in the present embodiment, sampling device 20 comprises: sample introduction body 21, sample introduction body 21 is provided with multiple ports for input and output, wherein, multiple ports for input and output comprise: for inputting the first port 211 from the water sample of sampler 10, for exporting second port 212 of water sample to water sample pretreating device 30, for reclaiming the 3rd port 213 of water sample after water sample pretreating device 30 is processed, for being communicated to the 4th port 214 of ion chromatography device 40 and for being communicated to the five-port 215 of pump unit 22, pump unit 22 for generation of suction power to drive into suction or the outflow of the water sample in sample body 21.In the present embodiment, sample introduction body 21 is 5-linked body valve, by five valve body cell formations that interconnect, on each valve body unit, be equipped with two ports, therefore 5-linked body valve is provided with ten ports altogether, in the present embodiment, the unnecessary port of 5-linked body valve is the auxiliary port 216 for inputting auxiliary sample, auxiliary port 216 is for inputting respectively the auxiliary reagent C such as standard sample A, distilled water B, acid medium or alkaline medium, water sample to be measured is carried out to neutralisation treatment or contrast detection, thereby improve accuracy of detection.
Preferably, in the present embodiment, the pump unit 22 being connected with five-port 215 is syringe, and the suction of syringe drives through stepper motor, with the power to the interior generation suction of sample introduction body 21 or release.In the present embodiment, five-port 215 comprises the first branch road that is communicated to straight pump unit 22 and the second branch road that is provided with infrared tube 23, and the first branch road and the second branch road are connected in parallel through three-way solenoid valve, realizes two branch roads and switches.The second branch road that is provided with infrared tube 23 is for precisely measuring sampling quantity in sampling and the process of getting reagent at sample introduction body 21.When sample introduction body 21 need to be sampled, conducting the first port 211 and five-port 215, closes all the other ports, realizes suction sampling under the suction power effect of syringe; In the time that needs extract all the other reagent, the corresponding port of conducting, and close remaining port, in like manner, under the suction power effect of syringe, realize and extracting.Infrared tube 23 utilizes light detection principle to judge having or not of reagent or water sample, thereby realizes the warning of lack of water sample or scarce reagent, in order to avoid air Injection is arrived in ion chromatography device 40.In the present embodiment, the input/output port of pump unit 22 is provided with three-way solenoid valve K, realizing the Cheng Qian of crossing that water sample is pushed to ion chromatography device 40 through the 4th port 214, pump unit 22 is communicated with air to extract source of the gas through three-way solenoid valve K, be communicated with five-port 215 through three-way solenoid valve K again, adopt the mode of high pressure sample introduction that water sample is pushed to ion chromatography device 40.
Preferably, in the present embodiment, water sample pretreating device 30 comprises: membrane filter unit 31, Solid-Phase Extraction unit 32 and ultraviolet digestion unit 33, sampling device 20 is communicated at least one in membrane filter unit 31, Solid-Phase Extraction unit 32 and ultraviolet digestion unit 33 through hyperchannel selector valve 34.Water sample pretreating device 30 is communicated with membrane filter unit 31, Solid-Phase Extraction unit 32 and ultraviolet digestion unit 33 through hyperchannel selector valve 34, thereby has hyperchannel selection function, to meet the compound pre-treating technology requirement of single pre-treatment or multiple pre-treatment.Wherein, membrane filter unit 31 is for filtering the particle impurity of water sample, Solid-Phase Extraction unit 32 is for filtering the silver ion plasma impurity of water sample, ultraviolet digestion unit 33 adopts ultraviolet ray to clear up technique and removes organic impurities in water sample, and those skilled in the art can select single or compound water sample pre-treating technology according to the character of water sample.
Water sample after water sample pre-treatment pushes ion chromatography device 40 through sampling device 20 high pressure again, obtains corresponding perchlorate figure spectrum information, data acquisition processing device 50 according to perchlorate figure spectrum information to determine the content of perchlorate in water sample.In prior art, staff carries out manual analysis to obtain perchlorate's content to figure spectrum information, can expend the plenty of time, affects the efficiency of water quality monitoring.The present embodiment, reads figure spectrum information by data acquisition processing device 50, shows the content of perchlorate in water sample, has advantages of that intellectuality, detection efficiency are high.Preferably, the Classified statistics processing of the Monitoring Data for the ease of remote monitoring center to multiple measuring points to be checked, in the present embodiment, the data transmission module 51 that data acquisition processing device 50 connects for long-range uploading data, remote monitoring center can be inquired about data and the ruuning situation of on-line monitoring system by data transmission module 51.In the present embodiment, between data transmission module 51 and remote monitoring center, the communication protocol of the general TCP/IP of employing realizes and communicating by letter, and support the multiple communication modes such as GPRS/CDMA/3G/VPN, thus by the monitoring information real-time Transmission of data acquisition processing device 50 to remote monitoring center.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. perchlorate's on-line monitoring system, it is characterized in that, comprise sampler (10), sampling device (20), water sample pretreating device (30), ion chromatography device (40) and data acquisition processing device (50);
Described sampler (10), for automatically extracting and store water sample from monitoring point;
Described sampling device (20), for extracting water sample and described water sample is pushed to described water sample pretreating device (30) from described sampler (10), and will push described ion chromatography device (40) through described water sample pretreating device (30) water sample after treatment;
Described water sample pretreating device (30), for removing the interference impurity of water sample;
Described ion chromatography device (40), for to generating corresponding perchlorate figure spectrum information through described water sample pretreating device (30) water sample after treatment;
Described data acquisition processing device (50), for read described ion chromatography device (40) generate perchlorate figure spectrum information to determine water sample perchlorate's content.
2. perchlorate's on-line monitoring system according to claim 1, is characterized in that, described sampler (10) comprising:
The water pump (11) connecting successively, reserve tank (12), distribution pump (13) and sampling cup (14), the input end of described water pump (11), connecting tube between described water pump (11) and described reserve tank (12), at least one place in connecting tube between connecting tube between described reserve tank (12) and described distribution pump (13) and described distribution pump (13) and described sampling cup (14) is provided with electromagnetic switch (16), described electromagnetic switch (16), described water pump (11) and described distribution pump (13) all receive the steering order work of described data acquisition processing device (50).
3. perchlorate's on-line monitoring system according to claim 2, is characterized in that,
At least one in described reserve tank (12) and described sampling cup (14) is provided with filter element.
4. perchlorate's on-line monitoring system according to claim 2, is characterized in that,
In described reserve tank (12) and described sampling cup (14), be equipped with level switch, described data acquisition processing device (50) connects described electromagnetic switch (16), described water pump (11) and described distribution pump (13) through PLC controller (15), described level switch is electrically connected described PLC controller (15), and described PLC controller (15) is according to water pump (11) action described in the liquid level signal control of the level switch corresponding with described reserve tank (12) receiving; Described PLC controller (15) is according to distribution pump (13) action described in the liquid level signal control of the level switch corresponding with described sampling cup (14) receiving.
5. perchlorate's on-line monitoring system according to claim 1, is characterized in that, described sampling device (20) comprising:
Sample introduction body (21), described sample introduction body (21) is provided with multiple ports for input and output, wherein, described multiple port for input and output comprises: the first port (211) for input from the water sample of described sampler (10), be used for exporting second port (212) of water sample to described water sample pretreating device (30), for reclaiming the 3rd port (213) of water sample after described water sample pretreating device (30) is processed, be used for being communicated to the 4th port (214) of described ion chromatography device (40) and for being communicated to the five-port (215) of pump unit (22), described pump unit (22) for generation of suction power to drive suction or the outflow of the water sample in described sample introduction body (21).
6. perchlorate's on-line monitoring system according to claim 5, is characterized in that,
Described five-port (215) comprises the second branch road that is communicated to straight the first branch road of described pump unit (22) and is provided with infrared tube (23), described the first branch road and described the second branch road are connected in parallel through three-way solenoid valve, realize the switching of two branch roads.
7. according to the perchlorate's on-line monitoring system described in claim 5 or 6, it is characterized in that,
Described pump unit (22) is syringe, and the suction of described syringe drives through stepper motor.
8. perchlorate's on-line monitoring system according to claim 5, is characterized in that,
Described sample introduction body (21) is also provided with the multiple auxiliary ports (216) for inputting auxiliary sample.
9. perchlorate's on-line monitoring system according to claim 1, is characterized in that, described water sample pretreating device (30) comprising:
Membrane filter unit (31), Solid-Phase Extraction unit (32) and ultraviolet digestion unit (33),
Described sampling device (20) is communicated at least one in described membrane filter unit (31), Solid-Phase Extraction unit (32) and ultraviolet digestion unit (33) through hyperchannel selector valve (34).
10. according to perchlorate's on-line monitoring system of claim 1, it is characterized in that,
Described data acquisition processing device (50) connects the data transmission module (51) for long-range uploading data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243622.2U CN203981646U (en) | 2014-05-13 | 2014-05-13 | Perchlorate's on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420243622.2U CN203981646U (en) | 2014-05-13 | 2014-05-13 | Perchlorate's on-line monitoring system |
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| CN203981646U true CN203981646U (en) | 2014-12-03 |
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| CN201420243622.2U Withdrawn - After Issue CN203981646U (en) | 2014-05-13 | 2014-05-13 | Perchlorate's on-line monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969388A (en) * | 2014-05-13 | 2014-08-06 | 力合科技（湖南）股份有限公司 | Online perchlorate monitoring system |
-
2014
- 2014-05-13 CN CN201420243622.2U patent/CN203981646U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969388A (en) * | 2014-05-13 | 2014-08-06 | 力合科技（湖南）股份有限公司 | Online perchlorate monitoring system |
| CN103969388B (en) * | 2014-05-13 | 2015-12-16 | 力合科技（湖南）股份有限公司 | Perchlorate's on-line monitoring system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |