CN103901080B - Chloride real time and on line monitoring warning system and method - Google Patents
Chloride real time and on line monitoring warning system and method Download PDFInfo
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- CN103901080B CN103901080B CN201410077444.5A CN201410077444A CN103901080B CN 103901080 B CN103901080 B CN 103901080B CN 201410077444 A CN201410077444 A CN 201410077444A CN 103901080 B CN103901080 B CN 103901080B
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Abstract
A kind of chloride real time and on line monitoring warning system, be included in the device and the control centre that on each diversion sluice, configure, it comprises: electrode: described electrode and wire are arranged in protection tube, described protection tube is fixed on end all the time and enters on the sluice aileron of water, and described electrode takes out so that clean movably in described protection tube; Salinity transmitter: connect described electrode, the signal that described electrode records is through the processing including temperature-compensating, amplification are processed, and described salinity transmitter is regular or trigger-type is calibrated; Acquisition processing device: connect described salinity transmitter, receive the data that described salinity transmitter sends, after processing, obtain salinity information, sue for peace with the amount of pulling calculating in advance, obtain current salinity information, judge whether current salinity information exceedes predefined domain value range, if exceed the processing of reporting to the police, described in the amount of pulling be sample in advance difference or the mean value of described difference repeatedly of the salinity information obtaining and the salinity information of measuring by the silver nitrate method of dripping in advance.
Description
Technical field
The present invention relates to water treatment monitoring field, relate in particular to a kind of chloride real time and on line monitoring system that reports to the policeSystem and method.
Background technology
Ecological construction, quality of water environment is an important index. This patent, taking Chongming eco-island as example, comesIllustrate quality of water environment monitoring management some problems and how to solve. Chongming Island has abundant earth's surfaceWater resource, mainly by domestic precipitation and from the Changjiang river naturally draw damp two parts, wherein 90% is to utilizeRiverine sluice is introduced from the Changjiang river. But autumn and winter season sluice diversion is often subject to the impact of salty tide howStrengthen the monitoring to salty tide, prevent pouring in down a chimney of salty tide, guarantee that in island, water quality safety has become sluice management departmentAn important process of door.
Chongming Island is located in Changjiang River into sea mouth, north, the Changjiang river chloride higher (being commonly called as salty tide) throughout the year, northern waterLock is mainly taking draining as main, the diversion of Chongming Island by newly-built, the port, mausoleum in western Chong Xi sluice and south,Ten all the people present's sluice such as three sand floods, the port of always imitating, throw the net, the Xinhe River, fort town Nan Zha complete. For preventing that salty tide from fallingFill with, each diversion sluice adopts silver nitrate titration method to monitor the chloride content in tidewater for a long time always,This method is taking potassium chromate as indicator, uses silver nitrate titration chloride, because the solubility of silver chlorate is less thanThe solubility of siliver chromate, after first chlorion is precipitated out completely, then chromate is with the shape of siliver chromateFormula is precipitated, produce brick-red, instruction titration end-point arrive.
Due to the rule of morning and evening tides self, and affected by the underwater sandy beach in river, the tidal height of each morning and evening tides, flow velocity,Flow to and all change unpredictably, the time of flood tide is longer, same flood tide process, chlorination in the tidewater of different periodsThing content is very large. Although as adopt a damp polyvoltine to test can be to starting the chloride content in water when diversionCarry out period monitoring, the water sample that but may get is fresh water and the reality introduced is salt water, the number of graspAccording to not comprehensive. Add that silver nitrate titration method chemical examination mensuration from water sampling to result needs the regular hour,Easily cause when monitoring chemical examination salty tide pour in down a chimney in short-term, and a damp polyvoltine to test Comparision loaded down with trivial details, in realityTrample in process and cause artificial few inspection or undetected, cause the hidden danger that salty tide pours in down a chimney fundamentally not eliminate.
Summary of the invention
The object of the present invention is to provide a kind of chloride real time and on line monitoring warning system, existing to solveSilver nitrate titration method chemical examination is measured and is needed the regular hour from water sampling to result, easily causes at chemical examination prisonWhen survey, salty tide pours in down a chimney in short-term, and a damp polyvoltine to test Comparision loaded down with trivial details, in practice process, cause artificialFew inspection or undetected, the technical problem that causes hidden danger that salty tide pours in down a chimney fundamentally not eliminate.
Another object of the present invention is to provide a kind of chloride real time and on line monitoring alarm method, to solveExisting monitoring exists inaccurate, easily causes the technical problem of the hidden danger that salty tide pours in down a chimney.
A kind of chloride real time and on line monitoring warning system, is included in the device configuring on each diversion sluice,It comprises:
Electrode: described electrode and wire are arranged in protection tube, described protection tube is fixed on end all the time and enters waterSluice aileron on, described electrode takes out movably in described protection tube;
Salinity transmitter: connect described electrode, the signal that described electrode records is through comprising temperature-compensating, puttingProcess in interior processing greatly, and described salinity transmitter is regular or trigger-type is calibrated;
Acquisition processing device: connect described salinity transmitter, receive the data that described salinity transmitter sends,After processing, obtain salinity information, sue for peace with the amount of pulling calculating in advance, obtain current salinityInformation, judges that whether current salinity information exceedes predefined domain value range, reports if exceedAlert processing, described in the amount of pulling be sample in advance the salinity information that obtains with measure by the silver nitrate method of dripping in advanceDifference or the mean value of described difference repeatedly of salinity information.
The device configuring on each diversion sluice also comprises the opening self-detective instrument for gathering gatage situationWith the ultrasonic water level instrument for depth of water position, measurement electrode place, described opening self-detective instrument and described ultrasonicRipple limnimeter connects respectively described acquisition processing device, and described acquisition processing device is further preserved described lockDoor aperture situation and place depth of water positional information, and, according to depth of water position and opening information in conjunction with salinityData determine whether sluice is introducing salty tide. Further salinity information described in accurate Calculation.
The device configuring on each diversion sluice also comprises industrial computer and a central server, and described industrial computer connectsConnect described acquisition processing device, described industrial computer connects a described central server.
A kind of chloride real time and on line monitoring alarm method, is characterized in that, comprising:
The electrode of conductance instrument and wire are arranged in protection tube, and described protection tube is fixed on end all the timeEnter on the sluice aileron of water, described electrode takes out movably in described protection tube, and described electrode connectsSalinity transmitter; Acquisition processing device connects described salinity transmitter;
Described salinity transmitter carries out calibration process;
In advance calculate the amount of pulling: in advance sampling obtain salinity information with in advance by silver nitrate drip method measureDifference or the mean value of described difference repeatedly of salinity information;
The protection tube at two described electroplax places is put in tested river, adds one by the two ends at pole plateFixed electromotive force, the electric current flowing through between measuring pad, then according to Ohm's law, obtain electrical conductivity;
Described electrical conductivity is processed after interior processing by temperature-compensating, amplification, then sends into acquisition process dressPut, described acquisition processing device obtains salinity information after processing, and carries out with the amount of pulling calculating in advanceSummation, obtains current salinity information, judges whether current salinity information exceedes predefined thresholdingScope, if exceed the processing of reporting to the police.
This method can also comprise:
The device configuring on each diversion sluice also comprises pen type salinity measuring instrument;
Described acquisition processing device is judged current salinity information and is exceeded after predefined domain value range,Further gather the salinity of described pen type salinity measuring instrument, if equally also exceed predefined domain value rangeThe processing of reporting to the police again.
Compared with prior art, the precision of on-line monitoring of the present invention is very high, and have extremely strong in real timeProperty, cause artificial few inspection or undetected situation to occur, the generation of avoiding as far as possible salty tide to pour in down a chimney as far as possible.
Brief description of the drawings
Fig. 1 is the schematic diagram of chloride real time and on line monitoring warning system;
Fig. 2 is an example schematic of chloride real time and on line monitoring warning system.
Detailed description of the invention
For meeting Eco-Island construction to water environment requirement, applicant sets about developing a set of salty damp real-time onlineDetection alarm system, by recent trial run, system works is normal, the monitored data of reflection and other detectionsThe measurement data of means is basically identical, can ensure diversion safety.
The key of this cover system is to utilize electrode pair river to carry out real-time electrical conductivity to detect. Advanced technology is reliable,And practical, use the accident of repeatedly having avoided so far introducing salt water, aspect the water quality of protection inland river, island, playingGood effect.
(1) system principle
Salty damp real-time online detection alarm system mainly contain on-line monitoring instrument, data transmission network, data processing,Application facility and operating information system composition, be shown in Fig. 1.
Refer to Fig. 1, a kind of chloride real time and on line monitoring warning system schematic diagram. It is included in each diversionThe device configuring on sluice, it comprises:
Electrode 11: described electrode and wire are arranged in protection tube, described protection tube is fixed on end all the time and entersOn the sluice aileron of water, described electrode takes out movably in described protection tube. Electrode and wire are contained inIn protection tube, then be installed on sluice aileron, conveniently fix its position, than being easier to confirm its degree of depth,In general, consider the continuity of water intaking, require fixing position will be throughout the year all the time end enter water.And electrode need to clean, also require it in described protection tube, to take out movably. This set and peaceDress can promote the precision while measurement.
Salinity transmitter 12: connecting electrode, the signal that described electrode records is through comprising temperature-compensating, amplificationProcess in interior processing, and described salinity transmitter is regular or trigger-type is calibrated. Salinity transmitter12 can adopt the Part Methods system of speaking of as in the Chen Kai of Southeast China University professor " Salinity Measurement detector "Fixed described salinity transmitter 12, also can buy ready-made salinity transmitter. Consider that temperature refers to its salinityTarget impact, generally all needs to carry out temperature-compensating. In addition, consider that signal accurately processes, generally alsoCan amplify processing. Certainly, not limited thereto, salinity transmitter 12 can carry out various raisings itsThe processing of computational accuracy. It should be noted that, the applicant enters regular salinity transmitter 12 or trigger-typeColumn criterion solution standard correction. Applicant first by common seawater as standard liquid, electrode surface is wholeThe hole of extending is submerged in described solution, waits voltage stabilization to be shown, and input standard liquid value (for example35ppt), if the salinity value of calculating at preset value, described in, salinity transmitter 12 is without correction, otherwiseJust proofread and correct. By said method, the error rate of salinity transmitter 12 can be proofreaied and correct in default scopeIn.
Acquisition processing device 13: connect described salinity transmitter 12, receive 12 of described salinity transmittersThe data of sending, after processing, (such as analog-to-digital conversion) obtains salinity information, with pulling of calculating in advanceAmount is sued for peace, and obtains current salinity information, judges whether current salinity information exceedes and presetsDomain value range, if exceed the processing of reporting to the police, described in the amount of pulling be the salinity letter of sampling in advance and obtainingThe difference of the salinity information ceasing and measure by the silver nitrate method of dripping in advance or the repeatedly mean value of described difference.
The compensation of the present invention's amount of pulling, can improve precision and confidence level that salinity of the present invention is calculated greatly.Under existing known environment, the conductivity variations that can filtering a large amount of other factorses produce. And, the amount of pullingCan regular update, ensure the degree of accuracy when the salinity information of pre-test.
Native system also comprises opening self-detective instrument for gathering gatage situation and for measurement electrode placeThe ultrasonic water level instrument of depth of water position, described opening self-detective instrument is connected respectively institute with described ultrasonic water level instrumentState acquisition processing device, described acquisition processing device is further preserved described gatage situation and place waterDark positional information, and, whether determine sluice according to depth of water position and opening information in conjunction with salinity dataIntroducing salty tide. Salinity information described in the further accurate Calculation of depth of water positional information.
The present invention can detect a salinity information on each diversion sluice, current by said apparatusWater Depth Information, open a sluice gate situation.
Consider in Yi Ge island and have multiple sluice, the device therefore configuring on each diversion sluice also comprisesIndustrial computer and a total central server, described industrial computer connects described acquisition processing device, described workControl machine connects a described central server. Can carry out in this way the on-line monitoring of whole system.
The device configuring on each diversion sluice also comprises pen type salinity measuring instrument, and described acquisition processing device is sentencedBreaking current salinity information and exceedes after predefined domain value range, further gathers described pen type salinityThe salinity of measuring instrument, if equally also exceed the processing of reporting to the police again of predefined domain value range.
(2), system principle
Salty tide mainly refers to that in the river of the Changjiang river, muriatic content has exceeded certain standard (500mg/L),And these are muriatic mainly from seawater, the composition of seawater is very complicated, main chemical element dehydrogenation andOutside oxygen, also have CI, Mg, S, Ca, K, etc. kind more than ten, be dissolved in chemical element in seawater large absolutelyMajority is to exist with the form of salt ion, claims again total salinity (mg/L). While having monitored sluice diversionMuriatic content in water, just can prevent pouring in down a chimney of salty tide.
Chloride content in monitoring tidewater, applicant passes through determination of electrode damp electrical conductivity of water at that time,Then obtain muriatic content by processing. Electrical conductivity is the ability of object conductive electric current.
(3), System Working Principle
First system has utilized the each sluice network data transmission of island proper platform. Measure in sleeve pipe by being installed atConductance instrument pole plate, is put in tested river, detects in real time. In water chloride dissolve more,The electric conductivity of water is also better, and its conductivity value is also larger, thus indirect determination chloride ion content.
For protection and fixing exploring electrode, native system electrode and wire are arranged in PVC protection tube, and PVC protectsPillar is fixed on the aileron of sluice, and the position of electrode is installed low as far as possible, to ensure the continuity of measurement data,Electrode can take out at any time in protection tube, to facilitate the cleaning of electrode.
(4), system work process
Please with Fig. 2, its exemplifying embodiment figure that is chloride real time and on line monitoring warning system of the present invention.
1) exploring electrode has the electric conductivity signal of the water recording the amplification of temperature-compensating by transmitterProcess;
2) through transmitter set handling and show numerical value. Because the chloride content standard of controlling when sluice diversionRequire below 500mg/L (500 degree), and south is along the excursion of the historical salinity of sluice, so applicantThese system detection data are fixed in 0～2000mg/L (0～2000 degree) scope and just can meet instructions for use. Due to changeThe output data of sending device to detect are subject to the impact of other metal ions in water, must carry out certain school to transmitterStandard could be used for system.
3) standard current signal (4-20ma) that transmitter is sent a road reflection salinity is for Acquisition Processor processing;
4) site data processing system in salinity signal and the industrial computer of Acquisition Processor output is processed.Adopt the one group of water sample of obtaining at random native system and the comparison of silver nitrate titration method measurement result, find out the amount of pulling.Completing and pull (its objective is the impact of the conductivity variations that other metal ion of filtering produces) produces real-time saltyDegree signal. And in system, carry out together with gatage, inside and outside stream stage signal aggregation process complete show andWarning function, and transmit data by internet to central server;
5) data-signal that central server sends over all sluice is undertaken by center operating information systemProcessing gathers, and demonstrates the real-time condition of whole county sluice in terminal, and produces real-time curve and corresponding form.Its data are kept in server in order to calling in the future.
(5), accessory system
In order further to ensure the diversion safety of sluice, each diversion sluice has configured one of pen type salinity measuring instrument,Send after salty tidal alarm in main system, tidewater chloride content carried out to repetition measurement, prevent that false alarm from affecting diversion,Guarantee diversion safety.
(6), safeguard measure
Intrasystem alarm signal is divided two kinds, and the one, another is audible alarm for light warning. Consider the survey of systemAccuracy of measurement and keeper's reaction, is arranged on 450 degree by the starting point of light warning, than standard 500 degree in advance50 degree. If salinity meets or exceeds this numerical value, just light warning can glimmer. If outer river nowPosition is high and gate opening than inland river, represents that sluice is at the salty tide of introduction, and system will start audible ringing signal, carryAwake keeper's closed shutter, avoids introducing salty tide.
(7), the economy of system
Because the island proper each sluice networking in Chongming is fairly perfect, software platform has been had scale. And salinity is measuredEach several part accessory can be buied from the market, assembles fairly simplely, and the hardware price of every salinity system is about 1Ten thousand yuan of left and right, all diversion sluice mounting cost is no more than 200,000 yuan, meanwhile, because this system can be used for a long time,Outside effect of bringing into play at it, also can save every year nearly ten thousand chemical examination medicament expense and assay device expense, have wellPromotional value.
Based on the system of Fig. 1, the invention also discloses a kind of chloride real time and on line monitoring alarm method,Comprise:
The electrode of conductance instrument and wire are arranged in protection tube, and described protection tube is fixed on end all the timeEnter on the sluice aileron of water, described electrode takes out movably in described protection tube, and described electrode connectsSalinity transmitter; Acquisition processing device connects described salinity transmitter;
Described salinity transmitter carries out calibration process;
In advance calculate the amount of pulling: in advance sampling obtain salinity information with in advance by silver nitrate drip method measureDifference or the mean value of described difference repeatedly of salinity information;
The protection tube at two described electroplax places is put in tested river, adds one by the two ends at pole plateFixed electromotive force, the electric current flowing through between measuring pad, then according to Ohm's law, obtain electrical conductivity;
Described electrical conductivity is processed after interior processing by temperature-compensating, amplification, then sends into acquisition process dressPut, described acquisition processing device obtains salinity information after processing, and carries out with the amount of pulling calculating in advanceSummation, obtains current salinity information, judges whether current salinity information exceedes predefined thresholdingScope, if exceed the processing of reporting to the police.
The device configuring on each diversion sluice also comprises pen type salinity measuring instrument;
Described acquisition processing device is judged current salinity information and is exceeded after predefined domain value range,Further gather the salinity of described pen type salinity measuring instrument, if equally also exceed predefined domain value rangeThe processing of reporting to the police again.
Gather depth of water position, described electrode place; Determine in conjunction with salinity data according to water level and opening informationWhether sluice is introducing salty tide. Calculating salinity information also enters the pressure of depth of water position as considering the factor.
Acquisition processing device is judged and is exceeded after predefined domain value range, starts sluice and closes processing
The preferred embodiment of the present invention is just for helping to set forth the present invention. Preferred embodiment does not have detailed chattingState all details, also not limiting this invention is only described detailed description of the invention. Obviously, according to this theoryThe content of bright book, can make many modifications and variations. These embodiment are chosen and specifically described to this description,In order to explain better principle of the present invention and practical application, thus technical field technical staff under makingCan utilize well the present invention. The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (9)
1. a chloride real time and on line monitoring warning system, is characterized in that, on each diversion sluiceThe device of configuration, it comprises:
Electrode: described electrode and wire are arranged in protection tube, described protection tube is fixed on and immerses all the time waterSluice aileron on, described electrode is movably from taking out in described protection tube so that clean;
Salinity transmitter: connect described electrode, the signal that described electrode records is through comprising temperature-compensating, puttingProcess in interior processing greatly, and described salinity transmitter is regular or trigger-type is calibrated;
Acquisition processing device: connect described salinity transmitter, receive the data that described salinity transmitter sends,After processing, obtain salinity information, sue for peace with the amount of pulling calculating in advance, obtain current salinityInformation, judges that whether current salinity information exceedes predefined domain value range, reports if exceedAlert processing, described in the amount of pulling be sample in advance the salinity information that obtains with measure by the silver nitrate method of dripping in advanceDifference or the mean value of described difference repeatedly of salinity information.
2. the system as claimed in claim 1, is characterized in that, also comprises for gathering gatage feelingsThe opening self-detective instrument of condition and for measuring the ultrasonic water level instrument of current depth of water position, described opening self-detective instrumentBe connected respectively described acquisition processing device with described ultrasonic water level instrument, described acquisition processing device is furtherPreserve described gatage situation and place depth of water positional information, and, enter one according to depth of water positional informationSalinity information described in step accurate Calculation.
3. the system as claimed in claim 1, is characterized in that, the device configuring on each diversion sluiceAlso comprise industrial computer and a central server, described industrial computer connects described acquisition processing device, described workControl machine connects a described central server.
4. the system as claimed in claim 1, is characterized in that, described warning comprises light alarming deviceAnd audible alarm unit.
5. the system as claimed in claim 1, is characterized in that, the device configuring on each diversion sluice alsoComprise pen type salinity measuring instrument, described acquisition processing device is judged current salinity information and is exceeded in advance and establishAfter fixed domain value range, further gather the salinity of described pen type salinity measuring instrument, if equally also exceed pre-The domain value range processing of reporting to the police again of first setting.
6. a chloride real time and on line monitoring alarm method, is characterized in that, comprising:
The electrode of conductance instrument and wire are arranged in protection tube, and described protection tube is fixed on all the time and soaksEnter on the sluice aileron of water, described electrode takes out movably in described protection tube, and described electrode connectsSalinity transmitter; Acquisition processing device connects described salinity transmitter;
Described salinity transmitter carries out calibration process;
In advance calculate the amount of pulling: in advance sampling obtain salinity information with in advance by silver nitrate drip method measureDifference or the mean value of described difference repeatedly of salinity information;
The protection tube at described electrode place is put in tested river, by adding certain at the two ends of electrodeElectromotive force, the electric current flowing through between measurement electrode, then according to Ohm's law, obtain electrical conductivity;
Described electrical conductivity is processed after interior processing by temperature-compensating, amplification, then sends into acquisition process dressPut, described acquisition processing device obtains salinity information after processing, and carries out with the amount of pulling calculating in advanceSummation, obtains current salinity information, judges whether current salinity information exceedes predefined thresholdingScope, if exceed the processing of reporting to the police.
7. method as claimed in claim 6, is characterized in that,
On described sluice aileron, also dispose pen type salinity measuring instrument;
Described acquisition processing device is judged current salinity information and is exceeded after predefined domain value range,Further gather the salinity of described pen type salinity measuring instrument, if equally also exceed predefined domain value rangeThe processing of reporting to the police again.
8. method as claimed in claim 6, is characterized in that, also comprises:
Gather depth of water position, described electrode place;
Calculate salinity information and also depth of water position and opening information are determined to whether sluice exists in conjunction with salinity dataIntroduce salty tide.
9. method as claimed in claim 6, is characterized in that, also comprises:
Acquisition processing device is judged and is exceeded after predefined domain value range, starts sluice and closes processing.
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| CN201410077444.5A CN103901080B (en) | 2014-03-04 | 2014-03-04 | Chloride real time and on line monitoring warning system and method |
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| CN201410077444.5A CN103901080B (en) | 2014-03-04 | 2014-03-04 | Chloride real time and on line monitoring warning system and method |
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| CN105241926B (en) * | 2015-10-09 | 2018-04-06 | 上海勘测设计研究院有限公司 | A kind of salty tide real-time monitoring device |
| CN110956395A (en) * | 2019-11-28 | 2020-04-03 | 中山公用水务有限公司 | Water supply operation management method and system based on anti-salt emergency treatment |
| CN115015358A (en) * | 2022-04-20 | 2022-09-06 | 中冶检测认证有限公司 | Concrete chloride ion content detector and detection end point judgment method |
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| US5266899A (en) * | 1992-01-31 | 1993-11-30 | Akzo N.V. | Salt analyzer switchably capable of employing contact and non-contact conductivity probes |
| KR100853925B1 (en) * | 2007-01-19 | 2008-08-25 | 엘지전자 주식회사 | Apparatus for measuring salinity using ion conductivity and method therefor |
| CN101510345B (en) * | 2008-02-15 | 2011-01-05 | 上海城投原水有限公司 | Salt tide early-warning system and method |
| CN203798768U (en) * | 2014-03-04 | 2014-08-27 | 上海市崇明县海塘管理所 | Real-time on-line chloride monitoring and alarming system |
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