CN201364308Y - On-line automatic monitoring device of water total phosphorus - Google Patents
On-line automatic monitoring device of water total phosphorus Download PDFInfo
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- CN201364308Y CN201364308Y CNU2009201416019U CN200920141601U CN201364308Y CN 201364308 Y CN201364308 Y CN 201364308Y CN U2009201416019 U CNU2009201416019 U CN U2009201416019U CN 200920141601 U CN200920141601 U CN 200920141601U CN 201364308 Y CN201364308 Y CN 201364308Y
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- total phosphorus
- monitoring device
- water body
- body total
- auto monitoring
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000011574 phosphorus Substances 0.000 title claims abstract description 47
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 47
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 239000003153 chemical reaction reagent Substances 0.000 claims description 20
- 230000002572 peristaltic effect Effects 0.000 claims description 19
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 10
- 238000004737 colorimetric analysis Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 235000010323 ascorbic acid Nutrition 0.000 claims description 5
- 229960005070 ascorbic acid Drugs 0.000 claims description 5
- 239000011668 ascorbic acid Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 5
- 230000005477 standard model Effects 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000005587 bubbling Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 6
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 235000011150 stannous chloride Nutrition 0.000 description 6
- 239000001119 stannous chloride Substances 0.000 description 6
- 230000029087 digestion Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000002798 spectrophotometry method Methods 0.000 description 4
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 3
- 229940010552 ammonium molybdate Drugs 0.000 description 3
- 235000018660 ammonium molybdate Nutrition 0.000 description 3
- 239000011609 ammonium molybdate Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FUSNOPLQVRUIIM-UHFFFAOYSA-N 4-amino-2-(4,4-dimethyl-2-oxoimidazolidin-1-yl)-n-[3-(trifluoromethyl)phenyl]pyrimidine-5-carboxamide Chemical compound O=C1NC(C)(C)CN1C(N=C1N)=NC=C1C(=O)NC1=CC=CC(C(F)(F)F)=C1 FUSNOPLQVRUIIM-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- ARPZEJHYXJXYHO-UHFFFAOYSA-N N.P.[Mo+4] Chemical compound N.P.[Mo+4] ARPZEJHYXJXYHO-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- YVBOZGOAVJZITM-UHFFFAOYSA-P ammonium phosphomolybdate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])=O.[O-][Mo]([O-])(=O)=O YVBOZGOAVJZITM-UHFFFAOYSA-P 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000007398 colorimetric assay Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011964 heteropoly acid Substances 0.000 description 1
- 239000012493 hydrazine sulfate Substances 0.000 description 1
- 229910000377 hydrazine sulfate Inorganic materials 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- TVBSSDNEJWXWFP-UHFFFAOYSA-N nitric acid perchloric acid Chemical compound O[N+]([O-])=O.OCl(=O)(=O)=O TVBSSDNEJWXWFP-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- AMWVZPDSWLOFKA-UHFFFAOYSA-N phosphanylidynemolybdenum Chemical compound [Mo]#P AMWVZPDSWLOFKA-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000002133 sample digestion Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses an on-line automatic monitoring device of water total phosphorus, which comprises a sample supplying device and a reflecting device which are sequentially connected by a pipeline, wherein a metering device is arranged in front of the sample supplying device. The on-line automatic monitoring device is characterized in that the metering device is a squirm pump with the rear end being provided with a photoelectric gauge pipe. The monitoring device can exactly measure agents and samples with more exact and reliable results, and can be suitable for the on-line monitoring of 1-15mg/L raw water.
Description
Technical field
The utility model belongs to water quality detection instrument field, in particular, relates to the device of total phosphorus content in a kind of computer-controlled detection water body.
Background technology
Phosphorus is one of essential element of biological growth, the phosphorus of low concentration there is no direct harm to human body, hydrobiont is not had much influences yet, but, can cause algae excessive propagation if phosphorus content is too high in the water body, reach harmful degree until quantitatively, cause eutrophication, water transparency is reduced, water quality degenerates, so that have influence on the existence of fish, bring about great losses for the aquatic products aquaculture.Because phosphorus is the key element of water eutrophication.In order to protect water quality, control endangers, and total phosphorus is formally listed monitoring project in monitoring water environment.
Total phosphorus comprises water-soluble, suspension, organophosphorus and Phos.The digestion procedure of inorganic phosphate that each form phosphorus in the water is changed into soluble state is a lot.Total phosphorus determination method commonly used has the blue spectrophotometric method of phosphorus aluminium, stannous chloride reduction photometry, the chromatography of ions, ICP-MS etc.
The phosphorus molybdenum blue spectrophotometric method adopts and make sample digestion with potassium persulfate (or nitric acid-perchloric acid) under neutrallty condition, with the phosphorous orthophosphate that all is oxidized to of institute.In acid medium, orthophosphate and ammonium molybdate reaction behind the generation phosphato-molybdic heteropolyacid, are reduced by ascorbic acid in the presence of antimonic salt immediately, generate blue complex compound.This blue complex has the absorption maximum degree under 880nm and 700nm wavelength.Utilize the method for this characteristic measurement water body total phosphorus comparatively general in water quality measurement is at present used.
Stannous chloride reduction photometry is to combine with ammonium molybdate under acid condition according to phosphorus to generate ammonium phosphomolybdate.With stannous chloride, hydrazine sulfate reduction phosphorus molybdenum ammonium au bleu compound.Blue intensities is directly proportional with phosphorus content, can carry out colorimetric assay.Because the preparation of stannous chloride solution is with hydrochloric acid that stannous chloride dissolving back is rare with aqueous medium, adds a metallic tin then and puts the dark cold place preservation, a Zhou Houxu prepares again.The configuration stannous chloride solution is higher to operative technique and conditional request, the less use of this method.
The method of the chromatography of ions, ICP-MS or operation steps redundant and complicated, reagent preparation workload is bigger, wherein some needs matching while using, need to draw calibration curve, disturbing factor is more, needs to use expensive instrument, and operating personnel's professional skill is required high, can only finish in the laboratory, can not satisfy the field condition test request, more not be suitable for the field monitoring of burst Pollution accident.
Chinese patent ZL02272422.2 disclosed a kind of water quality total phosphorus online automatic monitor in the prior art on June 11st, 2003, came some component content in the test water by means of chemistry, the physical property of measuring material; Specifically adopted basic building block based on the total phosphorus online automatic monitor of ultraviolet catalytic resolution method, reactor unit by around by the quartz of ultraviolet lamp tube clear up the cup form, detecting unit by an end opening and more than two the photoelectric colorimetry pond to the upper storage reservoir mouth form.Though this automonitor can guarantee water sample and clear up safe and reliable operation, can avoid reagent contamination photoelectric colorimetry pond and inner satellite device thereof, it adopts photoelectric colorimetry, and its failure rate is higher; And equipment is to adopt based on the basic building block structure of the total phosphorus online automatic monitor of ultraviolet catalytic resolution method comparatively complicatedly, safeguards comparatively difficulty.
Chinese patent ZL200720041934.5 provides a kind of full-automatic total phosphorus on-line monitoring medicine system on November 12nd, 2008, comprise an APU, one display device, one PH on-line measuring device, one electricity is led on-line measuring device and the automatic throwing device of a medicament, it is characterized in that described medicine system also comprises a total phosphorus on-line measuring device, described total phosphorus on-line measuring device comprises a uviol lamp, one digestion instrument, first bleeder valve, one display device, one laser beam emitting device and a laser detector, described digestion instrument is connected with described display device by described first bleeder valve, described laser beam emitting device is connected described uviol lamp with described laser detector with described display device, bleeder valve, laser beam emitting device and laser detector are electrically connected with described APU respectively.This device has been realized the adding automatically of medicament, measuring error is less, control accuracy is higher, but this apparatus structure is comparatively complicated, and application cost is higher.
Because there is these problem in water body total phosphorus monitoring instrument in the prior art, and present stage environmental protection pay attention to day by day, one can make things convenient for on-line monitoring, and the demand that can solve the defective that has monitor now again is more and more urgent.The present invention comes therefrom.
The utility model content
The utility model provides a kind of new water body total phosphorus online auto monitoring device, has solved in the prior art that water body total phosphorus online auto monitoring apparatus structure is comparatively complicated, failure rate is higher, has safeguarded comparatively problem such as difficulty.
In order to solve the above-mentioned problems in the prior art, the solution that the utility model provides is as follows:
A kind of water body total phosphorus online auto monitoring device, the sample generator, the reaction unit that comprise pipeline connection successively, before described sample generator, measuring apparatus is set, it is characterized in that described measuring apparatus is the peristaltic pump that the rear end is provided with the photoelectrometer buret.
Preferably, described photoelectrometer buret comprises the gauge line of determining volume, and described gauge line arranged outside has photoelectric detector, and photoelectric detector links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
Preferably, described photoelectric detector comprises that being in metering emissive source and the metering that the gauge line outside distributes accepts the source, and metering is accepted the source and accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.
Preferably, in described reaction unit arranged outside the photoelectric colorimetry detecting device is arranged, described photoelectric colorimetry detecting device comprises and is in the emissive source that the reaction unit outside distributes and accepts the source, and the programmable logic controller (PLC) of control peristaltic pump is accepted to send to by photoelectric switching circuit behind the light signal that emissive source sends in the source of acceptance.
Preferably, described sample generator is a multi-way selecting valve, and the unidirectional selection of described multi-way selecting valve opens and closes the connection of measuring apparatus, distilled water bottle, waste liquid bottle, standard model bottle, potassium persulfate reagent bottle, ascorbic acid reagent bottle, molybdate reagent bottle.
Preferably, described water body total phosphorus online auto monitoring device also is provided with temperature control equipment, and described temperature control equipment is arranged in the reaction unit; Described temperature control equipment is a thermopair.
Preferably, be provided with the elastic tube in the pump case passage in the described peristaltic pump, the elastic tube inboard is the roller of eight shaft step motors, and described programmable logic controller (PLC) is connected on the described multiaxis stepper motor.
Preferably, described reaction unit is airtight container, and temperature control equipment and pressure control device are set in reaction unit.
Preferably, in described reaction unit, be provided with the bubbling that is used for mixing material.
Preferably, described water body total phosphorus online auto monitoring device is by data transmission device and tele-control system contact; Described data transmission device comprises telephone network, GSM mobile handset short message net, GPRS or cdma network.
Owing to adopt the rear end to be provided with the measuring apparatus of the peristaltic pump of photoelectrometer buret, overcome the error that the instability of flow that peristaltic pump used owing to a period of time or other reason wearing and tearing cause causes in the technical solution of the present invention; Realized the accurate quantification of micro-reality simultaneously.And adopt peristaltic pump negative pressure suction to carry out collected specimens and reagent, between reagent and pump line, always there is the air cushioning district, guarantees the contact of liquid discord pump line, fundamentally stopped the pollution of pump line liquid, simultaneously also avoid the pump line corrosion, prolonged the life-span of peristaltic pump.
Every dosage only was 1.5ml during device of the present invention used, and had significantly reduced the reagent use amount; And adopt High Temperature High Pressure to clear up system in the optimal technical scheme, and accelerate reaction process, overcome the corrosion of uncovered system corrosive gas volatilization to installing in the prior art.The reagent pipe adopts the teflon transparent hose in the optimal technical scheme, and caliber has reduced water sample particle plugging probability greater than 1.5mm.
Technical scheme of the present invention is based on CNS " the mensuration ammonium molybdate spectrophotometric method of water quality total phosphorus " (GB/T 11893-89), and the present invention adopts the similar measurement result of spectrophotometric method in the photoelectric colorimetry realization standard.And the photoelectric colorimetry realization is more simple.In device, adopt the operation of programmable logic controller (PLC) controls device in the preferred technical solution of the present invention, thereby make things convenient for the automation mechanized operation of instrument, can reach the precision higher again than prior art.
The water body total phosphorus online auto monitoring device of inventor's design can pass through remote data transmission technology flexible networking, can realize that telephone network, GSM mobile handset short message net, GPRS or the real-time Surveillance center of cdma network to the reverse warning to Surveillance center of Remote, remote measurement and the monitoring point of monitoring point, can realize the technical requirement of on-line monitoring like this.
In addition, adopt multi-way selecting valve in the preferred version of the present invention, passage is versatile and flexible, has abandoned expensive diaphragm electromagnetic valve, greatly reduces maintenance and maintenance cost.
Technical scheme of the present invention is applicable to that measuring concentration is the water body of 0.1～15.0mg/L, even higher, thereby technical scheme of the present invention can be used for the online automatic detection of total phosphorus concentrations such as waste water, sewage discharge point source, surface water.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment water body total phosphorus online automatic monitor.
Wherein, 1 is the wriggling volume pump, 2 is the photoelectric colorimetry detecting device, 3 is gauge line, and 4 is photoelectric detector, and 5 is temperature control equipment, 6 is the potassium persulfate reagent bottle, 7 is reaction unit, and 10 is multi-way selecting valve, and 11 is that distilled water bottle, 12 is that ascorbic acid bottle, 13 is that standard model bottle, 14 is that molybdate reagent bottle, 15 is waste liquid bottle.
Embodiment
In order to describe the technical solution of the utility model in detail, below describe in detail by specific embodiment:
Embodiment such as Fig. 1, a kind of water body total phosphorus online automatic monitor, what comprise that pipeline successively connects has sample generator 10, a reaction unit 7, between sample generator 10, reaction unit 7, measuring apparatus is set, this measuring apparatus is the peristaltic pump 1 that the rear end is provided with the photoelectrometer buret, be provided with the elastic tube in the pump case passage in the peristaltic pump, the elastic tube inboard is the roller of eight shaft step motors, and described programmable logic controller (PLC) is connected on the described multiaxis stepper motor.This photoelectrometer buret comprises the gauge line 3 of determining volume, the gauge line arranged outside has photoelectric detector 4, photoelectric detector comprises that being in metering emissive source and the metering that the gauge line both sides distribute accepts the source, and metering is accepted the source and accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.At the reaction unit arranged outside detecting device 2 that responds, the reaction detection device comprises and is in the emissive source that the reaction unit both sides distribute and accepts the source that the reaction detection device also links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
At the sample generator is multi-way selecting valve 10, the unidirectional selection of described multi-way selecting valve opens and closes measuring apparatus, potassium persulfate reagent bottle 6, reaction unit 7, the connection of distilled water bottle 11, ascorbic acid bottle 12, standard model bottle 13, molybdate reagent bottle 14, waste liquid bottle 15.
This water body total phosphorus online automatic monitor also is provided with temperature control equipment 5, comprises thermopair, and described thermopair is arranged in the reaction unit, and temperature control equipment is communicated with heating with reaction unit.
After the measurement cyclic process begins, wash each pipeline, gauge line and reaction unit with new water sample, to remove residual chaff interference.Use peristaltic pump that water sample is added reaction unit and clear up, successively add again then in the reagent solution and reaction unit in all ingredients bottle.By the bubbling mixing material, guarantee that water sample and each reagent solution mix fully, be heated to behind the airtight digestion device about 120 ℃, by measuring system control digestion time.Solution is discharged by peristaltic pump in solution cooling back.The result who detects according to the reaction detection device and the result of standard model calculate the total phosphorus content in the water body.
Because reagent and sample collecting all use peristaltic pump in measuring, water sample and reagent solution directly with corrosion of peristaltic pump tube contact preventing and chaff interference pollution, adopt the photoelectrometer buret simultaneously, prevent the error of the liquid volume added that causes owing to the peristaltic pump fluctuations in discharge.
Above-mentioned example only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of being done according to the utility model spirit all should be encompassed within the protection domain of the present utility model.
Claims (10)
1, a kind of water body total phosphorus online auto monitoring device, the sample generator, the reaction unit that comprise pipeline connection successively, before described sample generator, measuring apparatus is set, it is characterized in that described measuring apparatus is the peristaltic pump that the rear end is provided with the photoelectrometer buret.
2, water body total phosphorus online auto monitoring device according to claim 1, it is characterized in that described photoelectrometer buret comprises the gauge line of determining volume, described gauge line arranged outside has photoelectric detector, and photoelectric detector links to each other by the programmable logic controller (PLC) of circuit with the control peristaltic pump.
3, water body total phosphorus online auto monitoring device according to claim 2, it is characterized in that described photoelectric detector comprises that being in metering emissive source and the metering that the gauge line outside distributes accepts the source, metering is accepted the source and is accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that the metering emissive source sends.
4, water body total phosphorus online auto monitoring device according to claim 1, it is characterized in that the photoelectric colorimetry detecting device being arranged in described reaction unit arranged outside, described photoelectric colorimetry detecting device comprises and is in the emissive source that the reaction unit outside distributes and accepts the source, and the source of acceptance is accepted to send programmable logic controller (PLC) to by photoelectric switching circuit behind the light signal that emissive source sends.
5, water body total phosphorus online auto monitoring device according to claim 1, it is characterized in that described sample generator is a multi-way selecting valve, the unidirectional selection of described multi-way selecting valve opens and closes the connection of measuring apparatus, distilled water bottle, waste liquid bottle, standard model bottle, potassium persulfate reagent bottle, ascorbic acid reagent bottle, molybdate reagent bottle.
6, water body total phosphorus online auto monitoring device according to claim 1 is characterized in that described water body total phosphorus online auto monitoring device also is provided with temperature control equipment, and described temperature control equipment is arranged in the reaction unit; Described temperature control equipment is a thermopair.
7, water body total phosphorus online auto monitoring device according to claim 1, it is characterized in that being provided with in the described peristaltic pump elastic tube in the pump case passage, the elastic tube inboard is the roller of eight shaft step motors, and described programmable logic controller (PLC) is connected on the described multiaxis stepper motor; Described elastic tube is the teflon transparent hose.
8, water body total phosphorus online auto monitoring device according to claim 1 is characterized in that described reaction unit is airtight container, is provided with temperature control equipment and pressure control device in reaction unit.
9, water body total phosphorus online auto monitoring device according to claim 1 is characterized in that being provided with the bubbling that is used for mixing material in described reaction unit.
10, water body total phosphorus online auto monitoring device according to claim 1 is characterized in that described water body total phosphorus online auto monitoring device is by data transmission device and tele-control system contact; Described data transmission device comprises telephone network, GSM mobile handset short message net, GPRS or cdma network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201416019U CN201364308Y (en) | 2009-01-21 | 2009-01-21 | On-line automatic monitoring device of water total phosphorus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201416019U CN201364308Y (en) | 2009-01-21 | 2009-01-21 | On-line automatic monitoring device of water total phosphorus |
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| CN201364308Y true CN201364308Y (en) | 2009-12-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819212A (en) * | 2010-04-15 | 2010-09-01 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN101825641A (en) * | 2010-04-22 | 2010-09-08 | 马三剑 | Water quality total nitrogen on-line automatic monitoring device |
| CN102253232A (en) * | 2010-05-21 | 2011-11-23 | 北京吉天仪器有限公司 | Automatic analyzer and analysis method for water soluble total phosphorus |
| CN103033485A (en) * | 2011-09-29 | 2013-04-10 | 中科天融(北京)科技有限公司 | Water total-phosphorus and total-nitrogen online monitoring apparatus |
| CN104048964A (en) * | 2014-03-11 | 2014-09-17 | 北京城市排水集团有限责任公司 | Making method and use method of kit for determination of total phosphorus and orthophosphate by all-automatic water quality analyzer |
| CN106442075A (en) * | 2016-08-31 | 2017-02-22 | 华中科技大学 | Fully-automatic liquid mixing and changing device |
| CN110308684A (en) * | 2019-07-02 | 2019-10-08 | 昆明理工大学 | A kind of automatic detection of the information that water body P elements are exceeded fusion and real-time processing device |
-
2009
- 2009-01-21 CN CNU2009201416019U patent/CN201364308Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819212A (en) * | 2010-04-15 | 2010-09-01 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN101819212B (en) * | 2010-04-15 | 2013-04-24 | 马三剑 | On-line automatic monitoring device for water quality mercury |
| CN101825641A (en) * | 2010-04-22 | 2010-09-08 | 马三剑 | Water quality total nitrogen on-line automatic monitoring device |
| CN101825641B (en) * | 2010-04-22 | 2013-03-27 | 马三剑 | Water quality total nitrogen on-line automatic monitoring device |
| CN102253232A (en) * | 2010-05-21 | 2011-11-23 | 北京吉天仪器有限公司 | Automatic analyzer and analysis method for water soluble total phosphorus |
| CN102253232B (en) * | 2010-05-21 | 2013-06-05 | 北京吉天仪器有限公司 | Automatic analyzer and analysis method for water soluble total phosphorus |
| CN103033485A (en) * | 2011-09-29 | 2013-04-10 | 中科天融(北京)科技有限公司 | Water total-phosphorus and total-nitrogen online monitoring apparatus |
| CN104048964A (en) * | 2014-03-11 | 2014-09-17 | 北京城市排水集团有限责任公司 | Making method and use method of kit for determination of total phosphorus and orthophosphate by all-automatic water quality analyzer |
| CN104048964B (en) * | 2014-03-11 | 2016-08-17 | 北京城市排水集团有限责任公司 | Full-automatic water quality analysis-e/or determining total phosphorus and orthophosphate test kit make and usage |
| CN106442075A (en) * | 2016-08-31 | 2017-02-22 | 华中科技大学 | Fully-automatic liquid mixing and changing device |
| CN106442075B (en) * | 2016-08-31 | 2019-06-18 | 华中科技大学 | A kind of fully-automatic liquid make-up liquid changing device |
| CN110308684A (en) * | 2019-07-02 | 2019-10-08 | 昆明理工大学 | A kind of automatic detection of the information that water body P elements are exceeded fusion and real-time processing device |
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