CN206431040U - A kind of Automatic On-line ammonia Nitrogen Analyzer - Google Patents
A kind of Automatic On-line ammonia Nitrogen Analyzer Download PDFInfo
- Publication number
- CN206431040U CN206431040U CN201720134747.5U CN201720134747U CN206431040U CN 206431040 U CN206431040 U CN 206431040U CN 201720134747 U CN201720134747 U CN 201720134747U CN 206431040 U CN206431040 U CN 206431040U
- Authority
- CN
- China
- Prior art keywords
- bottle
- ammonia nitrogen
- infrared
- automatic
- quartz glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of Automatic On-line ammonia Nitrogen Analyzer, belong to water quality monitoring equipment technical field.It includes peristaltic pump, light quantitative system, multichannel valve, reaction detection system, PLC control system, reagent bottle and waste liquid bottle, multichannel valve is connected with light quantitative system, water sample to be measured, reagent bottle one, reagent bottle two, reaction detection system and waste liquid bottle respectively, light quantitative system, peristaltic pump, multichannel valve, reaction detection system are electrically connected with PLC control system, and light quantitative system is also connected with peristaltic pump.Peristaltic pump coordinates multichannel valve to extract water sample, reagent and be pushed in reaction detection system in the present apparatus, light quantitative system utilizes the accurate quantification for causing the change of photoelectric signal by the refracted light of liquid level and coordinating peristaltic pump, multichannel valve to complete water sample, reagent, measurement stability is good, precision is high, solves the problem of existing Water quality ammonia nitrogen monitoring device is quantitatively forbidden, stability is bad.
Description
Technical field
The utility model belongs to water quality monitoring equipment technical field, is supervised online more specifically to a kind of Water quality ammonia nitrogen
Survey instrument.
Background technology
Water is the important medium of each element circular in natural environment, the pollutant that human being's production is produced with life generally with
Aqueous solution form is discharged into natural environment, the chemical composition and water quality of water body in natural environment is changed, so as to influence
Industrial and agricultural production is with water and human lives' water.Current stage, China's surface water pollution form is still quite severe.Ammonia nitrogen is extensive
It is present in surface water and groundwater, ammonia nitrogen (NH3- N) it is with free ammonia (NH3) or ammonium salt (NH4+) form is present in water body.
Ammonia nitrogen is the key factor of eutrophication in water body, when ammonia-nitrogen content is higher in water, water body in black and with stink so that
Water plant is caused to poison, the death of fish and shrimp organism in water is even resulted in.Also, ammonia nitrogen decomposable asymmetric choice net under microbial action
Into nitrite, when the content of nitrite in water is exceeded, drinking this water will combine protein in nitrite and human body
Forming a kind of strong carcinogen --- nitrosamine, it is totally unfavorable to body the exceeded water of ammonia nitrogen amount to be drunk for a long time same；Cause
This, ammonia-nitrogen content is an important indicator for evaluating quality of water environment, in the prior art, and ammonia nitrogen detection mainly uses salicylic acid
AAS, i.e., chemically reacted by the ammonia and reagent in water sample, then passes through the luminosity colorimetric assay of characteristic spectrum
In analysis water-like respective substance concentration complete detection, thus this detection method must accurate quantification extract detected water sample and
It is accurate to add chemical reagent.
Country's Water quality ammonia nitrogen on-line monitoring equipment quality is uneven at present, has the following disadvantages：Sample lines Chang Yin is treated
The impure damage or blocking for causing pipeline component of water sample is surveyed, easily causes pipeline to block up when especially containing impurity such as solid particulate matters
Plug；Monitoring device parts are excessive, such as each pipeline is separately provided valve, and complex operation also safeguard by inconvenience；Metering device
It is quantitative inaccurate, cause equipment testing result unstable；Clear up reaction rate slow, detection cycle length etc..In order to better meet ring
Border detection requirement is, it is necessary to which development cost is low, and sensitivity is high, the good Water quality ammonia nitrogen on-line monitoring equipment of stability.
Chinese invention patent, publication number：104977263A, publication date：On October 14th, 2015, disclose a kind of water quality many
Parameter monitor and its monitoring method, wherein, multi-parameter water-quality monitor includes：Control module, reagent device, quantitative liquid getting dress
Put, digestion instrument, light supply apparatus, colorimetric measuring device and PH thermometers.Wherein, the quantitative liquid taking device is used in the control
Detected water sample is quantitatively extracted in the presence of molding block and quantitatively extracts the chemical reagent deposited in the reagent device.Appurtenance
Profit requires that further defining the quantitative liquid taking device includes：Peristaltic pump, quantitative liquid getting device and multiple valve, the multichannel
Valve is used to the detected water sample, chemical reagent are selected and switched in the presence of the control module；The quantitative
Liquid device is used for detected water sample, the chemical reagent progress accurate quantification sampling selected the multiple valve；The peristaltic pump is used for
Detected water sample, chemical reagent to quantitative liquid getting device accurate quantification sampling, which are provided, carries power.It is disadvantageous in that：Should
" quantitative liquid taking device " or " quantitative liquid getting device " is only the upperseat concept for taking liquid measurement apparatus in the technical scheme of disclosure of the invention,
And structure type, measuring principle not to quantitative liquid getting device etc. is further described, and the existing on-line monitoring ammonia of in the market
The device measured in nitrogen equipment to water sample and chemistry sample is varied, and quality is also uneven, not all measurement dress
Put the effect for being attained by and accurately measuring.
Chinese utility model, publication number：203519491U, publication date：On April 2nd, 2014, disclose：A kind of water quality ammonia
Nitrogen on-line computing model, including PLC, Trace Chlorine pump, direct current air pump, magnetic valve, thermostatic mixing device, colorimetric
Ware, photometer, touch screen system, communication module and luminosity controller, are connected, PLC between PLC and Trace Chlorine pump
Controller is connected by touch screen system with communication module, and the upper end of thermostatic mixing device is provided with multiple feeding mouths, constant temperature mixing
Multiple feeding mouths on device are connected with Trace Chlorine pump and direct current air pump respectively, and the lower end of thermostatic mixing device is provided with
Discharging opening, the discharging opening of thermostatic mixing device and one end of magnetic valve are connected, and the other end of magnetic valve is connected with cuvette, colorimetric
Ware and luminosity controller may be contained within photometer.It is disadvantageous in that：1. thermostatic mixing device passes through electromagnetism with cuvette
Valve is connected, and colorimetric measurement could be carried out by needing to be discharged to cuvette after water sample and reagent hybrid reaction are complete, so as to extend colorimetric inspection
The response time of survey；2. control to draw using multiple Trace Chlorine pumps, the structure member being related to is more, and cost also increases therewith
Plus, while also causing the connection and switching of pipeline to complicate；3. due to the presence of magnetic valve minimal internal dead space volume, the water sample flowed through
Easily remained with reagent, thus reduce the accuracy measured；4. the solid particle contained when the utility model works in water sample
Impurity etc. easily causes the abrasion of pump, magnetic valve or sample lines, blocks or damage when flowing through pump and magnetic valve.
The content of the invention
1st, the problem of solving
Quantitatively forbidden for existing Water quality ammonia nitrogen measuring apparatus, measure the problem of stability is bad, the utility model is provided
A kind of Automatic On-line ammonia Nitrogen Analyzer.It can accurately, stably monitor water quality, preferably meet environmental monitoring requirement.
2nd, technical scheme
To solve the above problems, the utility model is adopted the following technical scheme that：
A kind of Automatic On-line ammonia Nitrogen Analyzer, including peristaltic pump, light quantitative system, multichannel valve, reaction detection system,
PLC control system, reagent bottle one, reagent bottle two and waste liquid bottle, multichannel valve respectively with water sample to be measured, reagent bottle one, reagent
Bottle two, reaction detection system, light quantitative system are connected with waste liquid bottle, peristaltic pump, light quantitative system, multichannel valve and reaction
Detecting system is electrically connected with PLC control system, and the smooth quantitative system is connected with peristaltic pump.Light quantitative system is rolled over according to liquid level
Penetrating light causes the change of photoelectric signal to be quantified, and is quick on the draw, and measurement precision is high.
Further, the smooth quantitative system includes quartz glass tube and infrared metering device, one end of quartz glass tube
Connected with multichannel valve, the other end of quartz glass tube is connected with peristaltic pump, the infrared metering device includes infrared emission
Device and corresponding infrared remote receiver, the infrared transmitter and corresponding infrared remote receiver are symmetrically mounted at the quartz glass
Pipe both sides, the infrared transmitter and the infrared remote receiver are electrically connected with PLC control system.Quartz glass tube and multichannel
Valve is directly connected, it is to avoid solution measurement error caused by pipeline residual during pipeline connection, so as to improve quantitative measurment
Precision.
Further, the infrared metering device is two groups, including high-order infrared metering device and the infrared metering dress of low level
Put, the high-order infrared metering device is arranged on quartz glass tube top；The infrared metering device of low level is arranged on the stone
The bottom of English glass tube.During water quality detection, the infrared metering device of low level first measures water sample and reagent to pipeline and light quantitative system
Cleaned, recycle high-order infrared metering device to measure required liquid and drain into detection reaction system participation detection reaction, both dropped
Low measurement error relatively reduces sample consumption again.
Further, the Automatic On-line ammonia Nitrogen Analyzer also includes distilled water bottle, and the multichannel valve steams with described
Distilled water bottle connection.After the completion of detection, extract distilled water and multichannel valve and pipeline etc. are cleaned, contribute to extension device to make
Use the life-span.
Further, the reaction detection system includes quartz glass bottle, heating wire and detection means, and heating wire is located at stone
The outside of English vial, the detection means includes detection transmitter and detection receiver, the detection transmitter and the inspection
Receiver is surveyed to be symmetrically installed on quartz glass bottle both sides and be connected with PLC control system.Water sample and reagent clear up instead
At once, heating wire heated quartz vial, it is ensured that clear up reaction and be rapidly achieved optimum temperature range, reaction is cleared up so as to improve
Efficiency.
Further, the reaction detection system also includes radiator fan, and the radiator fan includes exhaust fan and exhaust
Fan, the exhaust fan and exhaust fan are arranged on the same side of quartz glass bottle or are separately mounted to the both sides of quartz glass bottle, and
And be connected with PLC control system.After the completion of detection, double heat loss through convection starting fans, the air of quartz glass bottle surrounding is formed
Extremely strong convection current, thus radiating efficiency is high, substantially reduces the cool time for clearing up waste reaction solution
Further, the Automatic On-line ammonia Nitrogen Analyzer also include water sample pretreatment system, water sample pretreatment system with
The multichannel valve connection.
Further, the water sample pretreatment system includes overflow cup, y-type filter, water pressure gauge, overflow pipe, pressure regulator valve
One and pressure regulator valve two；The overflow cup is provided with top passageway, central passage and foot passage, and top passageway connects with multichannel valve
Logical, central passage is connected with overflow pipe, and foot passage is connected with y-type filter；The y-type filter is connected with water pressure gauge one end
Logical, the water pressure gauge other end is connected with pressure regulator valve one and pressure regulator valve two simultaneously, the water pressure gauge, pressure regulator valve one and pressure regulation
Valve two is connected with PLC control system.Water sample is after filtering pressure regulation, and water sample impurity is less, pressure stability, is easy to extract and detects,
It is favorably improved the stability of equipment.
Further, the Automatic On-line ammonia Nitrogen Analyzer also includes standard specimen bottle, standard specimen bottle and described multichannel valve
Connection.Using known material and concentration in standard specimen bottle, periodically monitor is calibrated, it is ensured that the precision of monitor measurement.
Further, standard specimen bottle includes standard specimen bottle one and standard specimen bottle two, standard specimen bottle one and standard specimen bottle two with it is described many
Passage valve is connected.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the utility model Automatic On-line ammonia Nitrogen Analyzer, is connected using light quantitative system with multichannel valve, to entering
Water sample, the reagent of quantitative system carry out direct measurement, reduce error, improve measurement accuracy, while because shortening connecting tube
Road forms pipeline residual and is unable to asking for the amount that actual response is pushed in quartz glass bottle when extracting and discharge so as to avoid
Topic；
(2) the utility model Automatic On-line ammonia Nitrogen Analyzer, by the way that quartz glass tube straight cutting is subtracted on multichannel valve
Few connecting line, quartz glass tube both sides are symmetrically provided with infrared transmitter and infrared remote receiver, and peristaltic pump coordinates multichannel
Valve aspirates water sample or reagent enters quartz glass tube, and infrared metering device causes the change of photoelectric signal by liquid level refracted light
And signal is transmitted to PLC control system, the signal that PLC control system is transmitted according to infrared metering device, sensitive switching peristaltic pump
Accurate quantitative analysis is realized with multichannel valve working condition, measurement result accuracy is high, stability is good；
(3) the utility model Automatic On-line ammonia Nitrogen Analyzer, there is provided high-order infrared metering device and the infrared metering of low level
Device, high-order infrared metering device measures water sample and reagent is used for water sample detection, and the infrared metering device of low level, which is used to detect, to react
Before measure a small amount of water sample or reagent is cleaned to pipeline and light quantitative system, with reduce in pipeline residual liquid to water sample,
The influence that reagent quantitative is measured, had so not only reached the purpose of reduction error influence but also had relatively reduced the consumption of sample；
(4) the utility model Automatic On-line ammonia Nitrogen Analyzer sets distilled water bottle, after the completion of the detection of every sub-sampling, utilizes
Peristaltic pump extracts a certain amount of distilled water out of distilled water bottle and light quantitative system, pipeline etc. is cleaned, and can effectively prevent residual
Erosion of the liquid stay to light quantitative system and pipeline, extends the service life of equipment to a certain extent；
(5) the utility model Automatic On-line ammonia Nitrogen Analyzer, water sample pretreatment system is designed using water sample loop, water pressure gauge
Make the pressure stability of water sample, y-type filter mistake by adjusting pressure regulator valve one and pressure regulator valve two simultaneously to control system feedback signal
The tampers such as solid particle in water sample are filtered, water sample enters overflow cup and stable height, overflow cup are kept in overflow cup
In water sample liquid level exceed setting liquid level when then discharged by overflow pipe, the system has filtered impurity in water sample, have adjusted into water
Water sample pressure, thus reduction monitoring device fault rate, improve the life-span of water sample pretreatment system, while also causing the utility model
Meet the requirement of various water environments, it is adaptable to the NH 3 at various water sources；
(6) the utility model Automatic On-line ammonia Nitrogen Analyzer, PLC control system control heating wire heated quartz vial,
Make to clear up reaction and be rapidly achieved optimum temperature, clear up reaction rate lifting so as to promote, shorten the reaction time, improve and set
Standby operating efficiency；
(7) the utility model Automatic On-line ammonia Nitrogen Analyzer, reaction detection system is provided with double heat loss through convection fans, anti-
It should detect after completion, start radiator fan, exhaust fan and exhaust fan cooperation formation cross-ventilation, radiating efficiency is high, instead
Waste liquid quickly cooling discharge in time in detecting system is answered, equipment operating efficiency is improved；
(8) the utility model Automatic On-line ammonia Nitrogen Analyzer, is entered by the solution to the known ammonia nitrogen concentration in standard specimen bottle
Row detection, and with system storage value compared with pair, and then correct relevant parameter, the precision that calibration the utility model ammonia nitrogen is detected.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is double heat loss through convection fan structure schematic diagrames.
In figure：1st, peristaltic pump；2nd, wriggling pump hose；3rd, reaction detection system；4th, receiver is detected；5th, transmitter is detected；
6th, quartz glass bottle；7th, light quantitative system；8th, high-order infrared remote receiver；9th, low level infrared remote receiver；10th, high-order infrared emission
Device；11st, low level infrared transmitter；12nd, multichannel valve；13rd, standard specimen bottle one；14th, standard specimen bottle two；15th, reagent bottle one；16th, try
Agent bottle two；17th, distilled water bottle；18th, waste liquid bottle；19th, overflow cup；20th, Y types regulating valve；21st, water pressure gauge；22nd, pressure regulator valve one；23、
Pressure regulator valve two；24th, overflow pipe；25th, heating wire；26th, exhaust fan；27th, exhaust fan.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, including peristaltic pump 1, light quantitative system 7, multichannel valve
12nd, reaction detection system 3, PLC control system, reagent bottle 1, reagent bottle 2 16 and waste liquid bottle 18, multichannel valve 12 are distinguished
Connected with water sample to be measured, reagent bottle 1, reagent bottle 2 16, reaction detection system 3, light quantitative system 7 and waste liquid bottle 18, it is compacted
Dynamic pump 1, light quantitative system 7, multichannel valve 12 and reaction detection system 3 are electrically connected with PLC control system, and the light is quantified
System 7 is connected with peristaltic pump 1.
The smooth quantitative system 7 includes quartz glass tube and infrared metering device, one end of quartz glass tube and multichannel
Valve 12 is connected, and the other end of quartz glass tube is connected with peristaltic pump 1, and the infrared metering device includes infrared transmitter and right
The infrared remote receiver answered, the infrared transmitter and corresponding infrared remote receiver are symmetrically mounted at the quartz glass tube two
Side, the infrared transmitter and the infrared remote receiver are electrically connected with PLC control system.
The infrared metering device is two groups, including high-order infrared metering device and the infrared metering device of low level, the height
The infrared metering device in position is arranged on quartz glass tube top；The infrared metering device of low level is arranged on the quartz glass tube
Bottom.
Described Automatic On-line ammonia Nitrogen Analyzer also includes distilled water bottle 17, the multichannel valve 12 and the distilled water
Bottle 17 is connected.
The reaction detection system 3 includes quartz glass bottle 6, heating wire 25 and detection means, and heating wire 25 is located at quartz
The outside of vial 6, the detection means includes detection transmitter 5 and detection receiver 4, described to detect transmitter 5 and described
Detection receiver 4 is symmetrically installed on quartz glass 6 both sides of bottle and is connected with PLC control system.
The reaction detection system 3 also includes radiator fan, and the radiator fan includes exhaust fan 26 and exhaust fan 27, institute
State exhaust fan 26 and exhaust fan 27 is arranged on the side of quartz glass bottle 6 and is connected with PLC control system.
Described Automatic On-line ammonia Nitrogen Analyzer also includes water sample pretreatment system, and water sample pretreatment system leads to more with described
Road valve 12 is connected.
The water sample pretreatment system includes overflow cup 19, y-type filter 20, water pressure gauge 21, overflow pipe 24, pressure regulator valve one
22nd, pressure regulator valve 2 23；The overflow cup 19 has top passageway, central passage and foot passage, top passageway and multichannel valve
12 connections, central passage is connected with overflow pipe 24, and foot passage is connected with y-type filter 20；The y-type filter 20 and hydraulic pressure
The one end of table 21 is connected, and the other end of water pressure gauge 21 is connected with pressure regulator valve 1, pressure regulator valve 2 23 simultaneously, the water pressure gauge
21st, pressure regulator valve 1 and pressure regulator valve 2 23 are connected with PLC control system.
Described Automatic On-line ammonia Nitrogen Analyzer also includes standard specimen bottle, and standard specimen bottle is connected with described multichannel valve 12.
Standard specimen bottle includes standard specimen bottle 1 and standard specimen bottle 2 14, and standard specimen bottle 1 and standard specimen bottle 2 14 lead to more with described
Road valve 12 is connected.
Embodiment 1
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, including peristaltic pump 1, light quantitative system 7, multichannel valve
12nd, reaction detection system 3, PLC control system, reagent bottle 1, reagent bottle 2 16 and waste liquid bottle 18, wherein in reagent bottle 1
Be chromogenic reagent solution for NaOH solution, in reagent bottle 2 16, multichannel valve 12 respectively with water sample to be measured, reagent bottle 1, examination
Agent bottle 2 16, reaction detection system 3 are connected with waste liquid bottle 18, peristaltic pump 1, light quantitative system 7, multichannel valve 12 and reaction
Detecting system 3 is electrically connected with PLC control system, and multichannel valve 12 is also connected with the lower end of light quantitative system 7, for example, this reality
The quartz glass tube in example in light quantitative system 7 is applied to be directly inserted on multichannel valve 12, peristaltic pump 1 by wriggling pump hose with
The upper end of light quantitative system 7 is connected, and is that multichannel valve 12 extracts water sample, reagent and water sample, reagent are pushed into reaction detection system
There is provided power in system 3, PLC control system by control peristaltic pump 1 rotate and the valve transfer of multichannel valve 12 extract water sample and
Reagent, 7 pairs of light quantitative system is extracted during this water sample, reagent quantitative, and quantifiable signal is fed back into PLC controls system
System.
The utility model Automatic On-line ammonia Nitrogen Analyzer, is directly connected using light quantitative system 7 with multichannel valve 12, right
Direct quantitative measurement is carried out into the water sample in light quantitative system 7, reagent, it is to avoid connected between measurement apparatus and pumping equipment
Pipeline is excessive or there is the problem of dead band formed when being connected between pipeline and equipment causes to measure liquid residue, so as to reduce
Error, improves measurement accuracy；Meanwhile, the performance of light quantitative system 7 is stable, is less prone to such as easy quilt of magnetic valve measuring equipment
The problem of corroded by liquid to be measured, abrasion are even damaged.
Embodiment 2
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 1, except that：The light is quantified
System 7 includes quartz glass tube, the infrared metering device that aperture is 6mm, and infrared metering device is including infrared transmitter and correspondingly
Infrared remote receiver, infrared transmitter and corresponding infrared remote receiver are symmetrically mounted at the quartz glass tube both sides, infrared
The light that transmitter is launched is received after passing through quartz glass tube by infrared remote receiver, and infrared transmitter and infrared remote receiver
Electrically connected with PLC control system.
The utility model Automatic On-line ammonia Nitrogen Analyzer, quartz glass tube both sides are symmetrically installed infrared transmitter and infrared connect
Device is received, PLC control system control infrared transmitter transmitting infrared light, infrared remote receiver receives infrared light and is converted into telecommunications
PLC control system number is fed back to, peristaltic pump 1 coordinates multichannel valve 12 to aspirate water sample or reagent enters after quartz glass tube, liquid
Face refraction infrared light can cause infrared remote receiver the change of photoelectric signal, and PLC control system is according to default value and infrared connects
The electric signal of device feedback is received, sensitive switching peristaltic pump 1 and multichannel valve 12 have reached the purpose of accurate quantitative analysis, measurement result essence
Exactness is high, stability is good.
Embodiment 3
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 2, except that：The infrared meter
It is two groups to measure device, including high-order infrared metering device and the infrared metering device of low level, and the high-order infrared metering device is installed
On quartz glass tube top；The infrared metering device of low level is arranged on the bottom of the quartz glass tube.High-order infrared metering
Device includes high-order infrared remote receiver 8 and corresponding high-order infrared transmitter 10, and it is infrared that the infrared metering device of low level includes low level
Receiver 9 and corresponding low level infrared transmitter 11.Multichannel valve 12 is examined with water sample to be measured, reagent, waste liquid bottle 18 and reaction
The part of the correspondence connection of examining system 3 is water sample passage, reagent passage, apocenosis passage and reaction detection passage.
When the device works, liquid is quantitatively measured according to following steps：
1) PLC control system control peristaltic pump 1 is rotated forward, and the water sample passage in multichannel valve 12 is opened, and is extracted water sample and is arrived
In light quantitative system 7, PLC control system control low level infrared transmitter 11 launches infrared ray, and low level infrared remote receiver 9 receives red
UV light is simultaneously converted into electric signal and feeds back to PLC control system, and liquid level refraction infrared light can cause the change of photoelectric signal, water sample
Liquid level reaches after the infrared metering device setting value of low level that signal is transmitted to PLC control system, PLC controls by low level infrared remote receiver 9
Water sample passage in system control multichannel valve 12 is closed and controls the quick rotation of peristaltic pump 1 to be blown into quartz glass tube
Bubble is realized wetting and cleaned, after 30s, and PLC control system controls the apocenosis passage in multichannel valve 12 to open successively, compacted
Dynamic pump 1 is inverted, and water sample is drained into waste liquid bottle 18, and apocenosis passage is closed, and peristaltic pump 1 stops operating；
2) PLC control system control peristaltic pump 1 is rotated forward, and the water sample passage in multichannel valve 12 is opened, and is extracted water sample and is arrived
In light quantitative system 7, the high-order transmitting of infrared transmitter 10 infrared ray of PLC control system control, high-order infrared remote receiver 8 receives red
UV light is simultaneously converted into electric signal and feeds back to PLC control system, and liquid level refraction infrared light can cause the change of photoelectric signal, water sample
Liquid level is attained to a high place after infrared metering device setting value, and signal is transmitted to PLC control system, PLC controls by high-order infrared remote receiver 8
System controls the water sample passage in multichannel valve 12 to close successively, reaction detection passage is opened, peristaltic pump 1 is inverted, will be quantitative
Water sample afterwards pushes to reaction detection system 3, and reaction detection passage is closed, and peristaltic pump 1 stops operating；
3) quantitatively measure corresponding reagent successively according to above-mentioned steps and push to reaction detection system 3.
The utility model sets the high-order infrared infrared metering device of metering device and low level, and high-order infrared metering device is measured
Water sample and reagent are used for water sample detection, before water sample or reagent is measured using high-order infrared metering device, the infrared metering dress of low level
Put to measure corresponding liquid and blow to quartz glass tube by peristaltic pump 1 and pipeline and light quantitative system 7 are cleaned to drop
The influence that residual liquid is measured to water sample or reagent quantitative in low pipeline, had so both reached that reduction quantitatively measured the purpose of error
The consumption of sample is relatively reduced again.
Embodiment 4
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 2, except that：Water quality is supervised online
Surveying instrument also includes distilled water bottle 17, and the multichannel valve 12 is connected with the distilled water bottle 17.
Cleaning step is：
PLC control system control peristaltic pump 1 is rotated forward, and the corresponding distillation aquaporin of multichannel valve 12 is opened, from distilled water
Distilled water are extracted in bottle 17 into light quantitative system 7, distilled water liquid level reaches after setting value causes light by liquid level refracted light
Signal is simultaneously transmitted to PLC control system by change in electric, and PLC control system controls distillation aquaporin to close successively, peristaltic pump 1 is fast
Speed is rotated, and bubble is blown into quartz glass tube to realize wetting and clean, after the completion of cleaning, PLC control system control is led to more
The waste fluid channel of road valve 12 is opened, peristaltic pump 1 is inverted, and distilled water drains into waste liquid bottle 18 in quartz glass tube.
The utility model Automatic On-line ammonia Nitrogen Analyzer sets distilled water bottle 17, after the completion of the detection of every sub-sampling, utilizes
Peristaltic pump 1 extracts a certain amount of distilled water and light quantitative system 7, pipeline etc. is cleaned, and can effectively prevent residual liquid to light
Erosion of quantitative system 7 and pipeline etc., helps somewhat to the service life of extension device.
Embodiment 5
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 1, except that：Reaction detection system
System 3 includes quartz glass bottle 6, heating wire 25 and detection means, and detection means includes detection transmitter 5 and detection receiver 4, inspection
Survey transmitter 5 and detection receiver 4 is symmetrically installed on 6 both sides of quartz glass bottle, heating wire 25, detection transmitter 5 and detection
Receiver 4 is connected with PLC control system, after water sample, reagent push to quartz glass bottle 6, PLC control system control hair
Heated filament is heated to quartz glass bottle 6, and quartz glass bottle 6 is rapidly achieved optimal reaction temperature, promotes water sample and reagent to clear up reaction,
Improve and clear up reaction efficiency, shorten the colorimetric detection time, so as to shorten the monitoring of equipment cycle, improve equipment work effect
Rate.
Embodiment 6
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 5, except that：Reaction detection system
System 3 also includes radiator fan, and the radiator fan includes exhaust fan 26 and exhaust fan 27, and the exhaust fan 26 and exhaust fan 27 are pacified
Mounted in the side of quartz glass tube, for example, exhaust fan 26 and exhaust fan 27 are arranged on quartz glass tube the same side in the present embodiment,
The exhaust fan 26 and exhaust fan 27 are connected with PLC control system.
The reaction detection system of the utility model Automatic On-line ammonia Nitrogen Analyzer is provided with double heat loss through convection fans, in reaction
After detection is completed, start radiator fan, exhaust fan 26 and the cooperation of exhaust fan 27 formation cross-ventilation, radiating efficiency is high,
Waste liquid quickly cooling discharge in time, improves equipment operating efficiency in reaction system.
Embodiment 7
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 1, except that：Also include water sample
Pretreatment system, the multichannel valve 12 is connected by water sample pretreatment system with water sample to be measured.The water sample pretreatment system
System includes overflow cup 19, y-type filter 20, water pressure gauge 21, overflow pipe 24, pressure regulator valve 1, pressure regulator valve 2 23；The overflow cup
19 have top passageway, central passage and foot passage, and top passageway is connected with multichannel valve 12, central passage and overflow pipe 24
Connection, foot passage is connected with y-type filter 20；The y-type filter 20 is connected with the one end of water pressure gauge 21, the water pressure gauge
21 other ends are connected with pressure regulator valve 1 and pressure regulator valve 2 23 simultaneously, the water pressure gauge 21, pressure regulator valve 1 and pressure regulator valve
2 23 are connected with PLC control system.
The utility model Automatic On-line ammonia Nitrogen Analyzer sample water pretreatment system using sample water loop design, water pressure gauge 21 to
PLC control system feedback signal is simultaneously by adjusting pressure regulator valve 1 and pressure regulator valve 2 23 so that water sample is entered with the pressure stablized
Water treatment system, y-type filter 20 filters out the tampers such as the solid particle in water sample, and water sample enters overflow cup 19 and in overflow
The water sample liquid level in stable height, overflow cup 19 is kept then to be discharged when exceeding setting liquid level by overflow pipe 24 in cup 19, should
System has filtered impurity in water sample and also have adjusted into water sample pressure, thus reduction monitoring device fault rate, improves sample water pretreatment
System lifetim, while also causing the utility model to meet the requirement of various water environments, it is adaptable to the NH 3 at various water sources.
Embodiment 8
As shown in figure 1, a kind of Automatic On-line ammonia Nitrogen Analyzer, compared with Example 2, except that：The water quality ammonia
Nitrogen on-line computing model also includes standard specimen bottle 1 and standard specimen bottle 2 14, standard specimen bottle 1 and standard specimen bottle 2 14 respectively with it is described
Multichannel valve 12 is connected.Multichannel valve 12 and standard specimen bottle 1, standard specimen bottle 2 14, reagent bottle 1, reagent bottle 2 16, steaming
Distilled water bottle 17 and the part that connects of the correspondence of reaction detection system 3 be respectively the passage of standard specimen one, the passage of standard specimen two, the passage of reagent one,
The passage of reagent two, distillation aquaporin, reaction detection passage.
Standard specimen bottle 1 is concentration 30mg/L ammonia nitrogen solution, and standard specimen bottle 2 14 is concentration 160mg/L ammonia nitrogen solution, examination
Be NaOH solution in agent bottle 1, be chromogenic reagent solution in reagent bottle 2 16, the utility model ammonia nitrogen monitor in calibration mode,
Using standard specimen carry out water quality on-line monitoring instrument demarcation calibration steps be：
1) PLC control system control peristaltic pump 1 is rotated forward, and the distillation aquaporin in multichannel valve 12 is opened, and extracts distillation
Water is into light quantitative system 7, and distilled water liquid level is reached after infrared metering device setting value, causes photoelectricity by liquid level refracted light
Signal is transmitted to PLC control system by signal intensity, infrared metering device, and PLC control system is controlled in multichannel valve 12 successively
Distillation aquaporin close, reaction detection passage is opened, peristaltic pump 1 is inverted, will it is quantitative after distilled water drain into reaction detection system
In system 3, reaction detection passage is closed, and peristaltic pump 1 stops operating；
2) PLC control system control peristaltic pump 1 is rotated forward, and the passage of reagent one in multichannel valve 12 is opened, and extracts NaOH
Solution is into light quantitative system 7, and NaOH solution liquid level is reached after infrared metering device setting value, is caused by liquid level refracted light
Signal is transmitted to PLC control system by the change of photoelectric signal, infrared metering device, and PLC control system controls multichannel valve successively
The passage of reagent one in 12 is closed, reaction detection passage is opened, peristaltic pump 1 is inverted, and the NaOH solution after quantifying drains into reaction
In detecting system 3, reaction detection passage is closed, and peristaltic pump 1 stops operating, similarly, quantitatively measures chromogenic reagent solution and push to instead
Answer in detecting system 3；
3) after PLC control system control heating wire heating 100s, reaction detection system 3 carries out absorbance detection, and will letter
Number feeding back to PLC control system is calculated, PLC control system storage calculated value；
4) quantitatively extract the solution in standard specimen bottle 1 and standard specimen bottle 2 14 successively according to above-mentioned steps and carry out absorbance inspection
Survey, PLC control system record storage calculated value；
5) PLC control system calculates low concentration slope by the absorbance of distilled water and the absorbance of standard specimen one, similarly,
High concentration slope is calculated by the absorbance of distilled water and the absorbance of standard specimen two；
If 6) high concentration slope and low concentration slope are equal, the no deviation of detection is proved；If high concentration slope and low dense
Spend slope unequal, then repeated the above steps after system amendment relevant parameter.
Automatic On-line ammonia Nitrogen Analyzer device can produce measured deviation after long-time use, and the utility model is by setting
The standard specimen bottle of various concentrations carries out demarcation calibration to monitoring instrument, the accuracy of apparatus measures numerical value is guaranteed.
Claims (10)
1. a kind of Automatic On-line ammonia Nitrogen Analyzer, including peristaltic pump (1), multichannel valve (12), reaction detection system (3), PLC
Control system, reagent bottle one (15), reagent bottle two (16) and waste liquid bottle (18), multichannel valve (12) respectively with water sample to be measured,
Reagent bottle one (15), reagent bottle two (16), reaction detection system (3) are connected with waste liquid bottle (18), peristaltic pump (1), multichannel
Valve (12) and reaction detection system (3) are electrically connected with PLC control system, it is characterised in that also including light quantitative system
(7), the smooth quantitative system (7) connects with peristaltic pump (1) and multichannel valve (12), the smooth quantitative system (7) and PLC
Control system is electrically connected.
2. Automatic On-line ammonia Nitrogen Analyzer according to claim 1, it is characterised in that the smooth quantitative system (7) includes
Quartz glass tube and infrared metering device, one end of quartz glass tube are connected with multichannel valve (12), quartz glass tube it is another
One end is connected with peristaltic pump (1), and the infrared metering device includes infrared transmitter and corresponding infrared remote receiver, described infrared
Transmitter and corresponding infrared remote receiver are symmetrically mounted at the quartz glass tube both sides, the infrared transmitter and described red
Outer receiver is electrically connected with PLC control system.
3. Automatic On-line ammonia Nitrogen Analyzer according to claim 2, it is characterised in that the infrared metering device is two
Group, including high-order infrared metering device and the infrared metering device of low level, the high-order infrared metering device are arranged on quartz glass
Pipe top；The infrared metering device of low level is arranged on the bottom of the quartz glass tube.
4. Automatic On-line ammonia Nitrogen Analyzer according to any one of claim 1 to 3, it is characterised in that also including distillation
Water bottle (17), the multichannel valve (12) connects with the distilled water bottle (17).
5. Automatic On-line ammonia Nitrogen Analyzer according to claim 1, it is characterised in that reaction detection system (3) bag
Quartz glass bottle (6), heating wire (25) and detection means are included, heating wire (25) is located at the outside of quartz glass bottle (6), the inspection
Surveying device includes detection transmitter (5) and detection receiver (4), and the detection transmitter (5) and the detection receiver (4) are right
What is claimed is arranged on quartz glass bottle (6) both sides and is connected with PLC control system.
6. Automatic On-line ammonia Nitrogen Analyzer according to claim 5, it is characterised in that the reaction detection system (3) is also
Including radiator fan, the radiator fan includes exhaust fan (26) and exhaust fan (27), the exhaust fan (26) and exhaust fan
(27) it is arranged on the side of quartz glass bottle (6) and is connected with PLC control system.
7. Automatic On-line ammonia Nitrogen Analyzer according to claim 1, it is characterised in that also including water sample pretreatment system,
Water sample pretreatment system is connected with the multichannel valve (12).
8. Automatic On-line ammonia Nitrogen Analyzer according to claim 7, it is characterised in that the water sample pretreatment system includes
Overflow cup (19), y-type filter (20), water pressure gauge (21), overflow pipe (24), pressure regulator valve one (22) and pressure regulator valve two (23)；Institute
Overflow cup (19) is stated provided with top passageway, central passage and foot passage, top passageway is connected with multichannel valve (12), middle part
Passage is connected with overflow pipe (24), and foot passage is connected with y-type filter (20)；The y-type filter (20) and water pressure gauge
(21) one end is connected, and water pressure gauge (21) other end is connected with pressure regulator valve one (22) and pressure regulator valve two (23) simultaneously, institute
Water pressure gauge (21), pressure regulator valve one (22) and pressure regulator valve two (23) is stated to be connected with PLC control system.
9. Automatic On-line ammonia Nitrogen Analyzer according to claim 1, it is characterised in that also including standard specimen bottle, standard specimen bottle with
Described multichannel valve (12) connection.
10. Automatic On-line ammonia Nitrogen Analyzer according to claim 9, it is characterised in that standard specimen bottle includes standard specimen bottle one
(13) and two (14) of standard specimen bottle, standard specimen one (13) of bottle and standard specimen bottle two (14) are connected with described multichannel valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134747.5U CN206431040U (en) | 2017-02-14 | 2017-02-14 | A kind of Automatic On-line ammonia Nitrogen Analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134747.5U CN206431040U (en) | 2017-02-14 | 2017-02-14 | A kind of Automatic On-line ammonia Nitrogen Analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206431040U true CN206431040U (en) | 2017-08-22 |
Family
ID=59591986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720134747.5U Active CN206431040U (en) | 2017-02-14 | 2017-02-14 | A kind of Automatic On-line ammonia Nitrogen Analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206431040U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831121A (en) * | 2017-11-22 | 2018-03-23 | 江苏蓝创智能科技股份有限公司 | Multi-parameter water quality detector and its application method |
| CN108176334A (en) * | 2018-02-05 | 2018-06-19 | 中国科学院高能物理研究所 | A kind of intelligent nano materials synthesis device based on Internet of Things |
| CN108801959A (en) * | 2018-08-14 | 2018-11-13 | 浙江微兰环境科技有限公司 | One kind being based on microflow control technique original position ammonia nitrogen on-line computing model |
| CN109061083A (en) * | 2018-07-02 | 2018-12-21 | 武汉市中易天地物联科技有限公司 | A kind of novel intelligent water quality detection method |
| CN109283035A (en) * | 2018-11-29 | 2019-01-29 | 长沙凯天工研院环保服务有限公司 | A kind of pretreating device and method for ammonia nitrogen determination in water quality |
| CN109297917A (en) * | 2018-11-27 | 2019-02-01 | 浙江微兰环境科技有限公司 | It is a kind of using double peristaltic pump systems as the micro-fluidic NH 3 flow path system of core |
| CN110006699A (en) * | 2019-03-20 | 2019-07-12 | 苏州聚阳环保科技股份有限公司 | Water quality on-line analysis high-precision quantitative device and quantitative approach |
| CN110208354A (en) * | 2019-04-02 | 2019-09-06 | 深圳市智创环保科技有限公司 | A kind of portable water quality in-line analyzer |
| CN110987838A (en) * | 2019-12-26 | 2020-04-10 | 苏州奥特福环境科技有限公司 | Online aluminum content detection system and method |
| CN112179897A (en) * | 2020-09-29 | 2021-01-05 | 上海亨通海洋装备有限公司 | Flow path system of ammonia nitrogen online monitor and analysis method thereof |
| CN113049307A (en) * | 2021-03-01 | 2021-06-29 | 威海精讯畅通电子科技有限公司 | Water quality on-line analyzer and detection method thereof |
| US20220236167A1 (en) * | 2020-04-14 | 2022-07-28 | Zhejiang University | Automatic reactive oxygen species content detection system suitable for cell microenvironment |
| CN115406715A (en) * | 2022-08-30 | 2022-11-29 | 江苏博克斯科技股份有限公司 | Method for improving quantitative accuracy of water quality on-line monitor |
| CN116067957A (en) * | 2023-03-06 | 2023-05-05 | 北京华科仪科技股份有限公司 | Device and method for online water quality monitoring |
-
2017
- 2017-02-14 CN CN201720134747.5U patent/CN206431040U/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831121B (en) * | 2017-11-22 | 2024-03-01 | 江苏蓝创智能科技股份有限公司 | Multi-parameter water quality detector and application method thereof |
| CN107831121A (en) * | 2017-11-22 | 2018-03-23 | 江苏蓝创智能科技股份有限公司 | Multi-parameter water quality detector and its application method |
| CN108176334A (en) * | 2018-02-05 | 2018-06-19 | 中国科学院高能物理研究所 | A kind of intelligent nano materials synthesis device based on Internet of Things |
| CN109061083A (en) * | 2018-07-02 | 2018-12-21 | 武汉市中易天地物联科技有限公司 | A kind of novel intelligent water quality detection method |
| CN108801959A (en) * | 2018-08-14 | 2018-11-13 | 浙江微兰环境科技有限公司 | One kind being based on microflow control technique original position ammonia nitrogen on-line computing model |
| CN109297917A (en) * | 2018-11-27 | 2019-02-01 | 浙江微兰环境科技有限公司 | It is a kind of using double peristaltic pump systems as the micro-fluidic NH 3 flow path system of core |
| CN109283035A (en) * | 2018-11-29 | 2019-01-29 | 长沙凯天工研院环保服务有限公司 | A kind of pretreating device and method for ammonia nitrogen determination in water quality |
| CN110006699A (en) * | 2019-03-20 | 2019-07-12 | 苏州聚阳环保科技股份有限公司 | Water quality on-line analysis high-precision quantitative device and quantitative approach |
| CN110208354A (en) * | 2019-04-02 | 2019-09-06 | 深圳市智创环保科技有限公司 | A kind of portable water quality in-line analyzer |
| CN110987838A (en) * | 2019-12-26 | 2020-04-10 | 苏州奥特福环境科技有限公司 | Online aluminum content detection system and method |
| US20220236167A1 (en) * | 2020-04-14 | 2022-07-28 | Zhejiang University | Automatic reactive oxygen species content detection system suitable for cell microenvironment |
| US11874216B2 (en) * | 2020-04-14 | 2024-01-16 | Zhejiang University | Automatic reactive oxygen species content detection system suitable for cell microenvironment |
| CN112179897A (en) * | 2020-09-29 | 2021-01-05 | 上海亨通海洋装备有限公司 | Flow path system of ammonia nitrogen online monitor and analysis method thereof |
| CN113049307A (en) * | 2021-03-01 | 2021-06-29 | 威海精讯畅通电子科技有限公司 | Water quality on-line analyzer and detection method thereof |
| CN115406715A (en) * | 2022-08-30 | 2022-11-29 | 江苏博克斯科技股份有限公司 | Method for improving quantitative accuracy of water quality on-line monitor |
| CN115406715B (en) * | 2022-08-30 | 2023-05-16 | 江苏博克斯科技股份有限公司 | Method for improving quantitative precision of water quality on-line monitor |
| CN116067957A (en) * | 2023-03-06 | 2023-05-05 | 北京华科仪科技股份有限公司 | Device and method for online water quality monitoring |
| CN116067957B (en) * | 2023-03-06 | 2023-08-22 | 北京华科仪科技股份有限公司 | Device and method for online water quality monitoring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206431040U (en) | A kind of Automatic On-line ammonia Nitrogen Analyzer | |
| CN206431125U (en) | Total phosphorus on-line computing model in a kind of water | |
| CN101793902A (en) | Device for fluidly injecting and rapidly analyzing residual chlorine of water quality and analysis method thereof | |
| CN201740756U (en) | On-line ammonia nitrogen monitoring system | |
| CN103267795B (en) | On-line monitoring analyzer for fluorinion in water and detection method thereof | |
| CN104849422A (en) | Ammonia nitrogen on-line monitoring system and method thereof | |
| CN103439258B (en) | A kind of water nutrition in situ detection instrument based on integrated valve terminal device and detection method | |
| CN206248652U (en) | Real-time in-situ water quality monitor | |
| CN208588728U (en) | A kind of water conservancy water quality monitoring and remote supervisory equipment | |
| CN112179897A (en) | Flow path system of ammonia nitrogen online monitor and analysis method thereof | |
| CN213302004U (en) | Water quality permanganate index on-line analyzer | |
| CN205080143U (en) | Automatic quick detecting system of trace iron ion in power plant's steam | |
| CN113125361A (en) | Analysis system and method for automatic ammonia nitrogen monitoring | |
| CN204924952U (en) | Online water quality analyzer ware of chemical oxygen demand | |
| CN111060157A (en) | Miniature surface water environmental quality check out test set | |
| CN110658139A (en) | Permanganate index analysis system | |
| CN110220855A (en) | A kind of chemical analysis system for total nitrogen | |
| CN215574623U (en) | High-precision overflow metering device applied to water quality online monitoring equipment | |
| CN109060692A (en) | Active phosphorus automatic analyzer and its measuring method based on syringe pump | |
| CN205958561U (en) | Integral type water quality testing equipment | |
| CN210269598U (en) | Chemical analysis system for total nitrogen | |
| CN112461771A (en) | Automatic online real-time detection device and method for total iron of water vapor system of thermal power plant | |
| CN211478142U (en) | Biological early warning micro-station for comprehensive toxicity evaluation of water environment and water quality | |
| CN113125362A (en) | Analysis system and method for automatic total nitrogen monitoring | |
| CN113125360A (en) | Analysis system and method for automatic monitoring of permanganate index |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |