CN205656156U - Heavy metal normal position on -line monitoring system device - Google Patents
Heavy metal normal position on -line monitoring system device Download PDFInfo
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- CN205656156U CN205656156U CN201620545890.9U CN201620545890U CN205656156U CN 205656156 U CN205656156 U CN 205656156U CN 201620545890 U CN201620545890 U CN 201620545890U CN 205656156 U CN205656156 U CN 205656156U
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- heavy metal
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Abstract
The utility model discloses a heavy metal normal position on -line monitoring system device, including heavy metal normal position on -line monitoring case, the scale removal box among the industrial waste water is waited to detect with dropping into by the PC, heavy metal normal position on -line monitoring incasement is equipped with signal conditioning module and data acquisition module, upper strata and lower floor are split into through the PVC baffle of taking a plurality of water inlets to the scale removal box, sensor socket has all been seted up in upper strata top surface center department and four corners, the jack bilateral symmetry at center is equipped with the temperature sensor jack, be equipped with a plurality of all solid state heavy metal sensors in the sensor socket, a reference electrode and a pH electrode, be equipped with a temperature sensor in the temperature sensor jack, the data signal that all solid state heavy metal sensor will be gathered sends data acquisition module through signal conditioning module. The utility model discloses a real -time supervision of the heavy metal ion concentration among the industrial waste water, and can utilize the ultrasonic wave principle to realize handling the regular scale removal of sensor, guaranteed monitoring ion concentration's accuracy.
Description
Technical field
This utility model relates to industrial technical field, is specifically related to heavy metal species on-line monitoring system device in situ.
Background technology
Along with developing rapidly of China's economic, the heavy metal pollution in industrial wastewater is the most serious.Owing to supervision department cannot be right
Industrial wastewater heavy metal concentration monitors in real time, causes some factories for the interests row's of stealing the showing of industrial wastewater privately of self
As.And existing heavy metal analysis technology is difficulty with the real-time detection of heavy metal concentration, and do not consider under complicated wastewater environment
Sensor surface scale problems, each of which increases the difficulty of heavy metal in situ detection.Therefore, for solving problem above, design
The system of the heavy metal concentration in a set of energy round-the-clock in-situ monitoring industrial wastewater has very important realistic meaning.
Utility model content
For solving the problems referred to above, this utility model provides heavy metal species on-line monitoring system device in situ, it is achieved that Industry Waste
The real-time monitoring of the concentration of heavy metal ion in water, and periodically can carry out dirty removing processing by the ultrasonic heavy metal sensor to self.
For achieving the above object, the technical scheme that this utility model is taked is:
One heavy metal species on-line monitoring system device in situ, including heavy metal on-line monitoring case, PC and input work to be detected in situ
Scale removal casing in industry waste water, is provided with Signal-regulated kinase and data acquisition module, institute in described heavy metal on-line monitoring case in situ
Stating scale removal casing and be divided into the upper and lower by the PVC dividing plate with some water inlets, end face center, upper strata and corner are all offered
Having sensor jack, the jack at center is symmetrically arranged on two with temperature sensor jack, is provided with some all solid state heavy in sensor jack
Metal sensor, a reference electrode and a pH electrode, be provided with a temperature sensor in temperature sensor jack, all solid state
The digital signal collected is sent to data acquisition module through Signal-regulated kinase by heavy metal sensor, and data acquisition module passes through
USB data transmission line transfers data to PC, is provided with supersonic generator probe bottom described PVC dividing plate, and it is complete for being used for
The ultrasonic dirt that goes of solid-state heavy metal sensor, reference electrode and pH electrode, lower level floor is provided with the liquid outlet of a band valve.
Preferably, described Signal-regulated kinase includes heavy metal sensor signal conditioning circuit and Pt100 temperature sensor conditioning electricity
Road.
Preferably, heavy metal sensor signal conditioning circuit includes passive filter circuit, voltage follower circuit, calculus of differences electricity
Road and operational amplification circuit, Pt100 temperature sensor modulate circuit includes sensor measurement electric bridge and amplifying circuit, data acquisition
Collection module includes that A/D converts and 51 single-chip microcomputers.
This utility model has the advantages that
Achieve the real-time monitoring of concentration of heavy metal ion in industrial wastewater, can a huge sum of money in Real time displaying industrial wastewater in real time
Belong to ion concentration, supervise the process of sewage in industry, can effectively reduce factory row steathily and omit the generation of phenomenon in printing；Super by utilizing
Acoustic wave principles achieves the Periodic scale removal to sensor and processes, it is ensured that the accuracy of monitoring ion concentration.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one heavy metal species on-line monitoring system device in situ；
Fig. 2 is the theory diagram of monitoring part in this utility model embodiment one heavy metal species on-line monitoring system device in situ.
Fig. 3 is the structural representation of scale removal casing in this utility model embodiment one heavy metal species on-line monitoring system device in situ.
Fig. 4 is the duty signal of scale removal casing in this utility model embodiment one heavy metal species on-line monitoring system device in situ
Figure.
In figure: 1-heavy metal on-line monitoring case in situ；2-scale removal casing；3-PC machine；4-Signal-regulated kinase+data acquisition module
Block；5-ultrasonic transducer；The liquid outlet of 6-band valve；A-heavy metal sensor jack, B-temperature sensor jack, C-enters
The mouth of a river, D-pH electrode jack, E-reference electrode reference electrode plug.
Detailed description of the invention
In order to make the purpose of this utility model and advantage clearer, below in conjunction with embodiment, this utility model is entered one
Step describes in detail.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit
This utility model.
As Figure 1-Figure 4, this utility model embodiment provides heavy metal species on-line monitoring system device in situ, including weight
Scale removal casing in in-situ metal on-line monitoring case, PC and input industrial wastewater to be detected, described heavy metal on-line monitoring in situ
Being provided with Signal-regulated kinase and data acquisition module in case, described scale removal casing is divided into by the PVC dividing plate with some water inlets
The upper and lower, end face center, upper strata and corner all offer sensor jack, and the jack at center is symmetrically arranged on two with temperature and passes
Sensor jack, is provided with some all solid state heavy metal sensors, a reference electrode and a pH electrode, temperature in sensor jack
Be provided with a temperature sensor in sensor jack, all solid state heavy metal sensor by the digital signal that collects through signal condition mould
Block is sent to data acquisition module, and data acquisition module transfers data to PC by USB data transmission line, described PVC every
Supersonic generator probe is installed bottom plate, is used for as the ultrasonic decontamination of all solid state heavy metal sensor, reference electrode and pH electrode
Dirt, lower level floor is provided with the liquid outlet of a band valve.
Described Signal-regulated kinase includes heavy metal sensor signal conditioning circuit and Pt100 temperature sensor modulate circuit, with much money
Belong to sensor signal conditioning circuit and include passive filter circuit, voltage follower circuit, calculus of differences circuit and operation amplifier electricity
Road, Pt100 temperature sensor modulate circuit includes sensor measurement electric bridge and amplifying circuit, and data acquisition module includes that A/D turns
Change and 51 single-chip microcomputers.
Embodiment
In following example, heavy metal the most online heavy metal on-line monitoring casing in situ uses heavy metal to make, sensor assembly
The copper (Cu) used, cadmium (Cd), lead (Pb) and reference electrode (internal-filling liquid of reference electrode be use be Quilonorm (SKB) gel) and
PH sensor is all purchased from EAI company of Britain, and temperature sensor uses Pt100 semistor sensor,
Electrode package all uses igelite to encapsulate；Signal-regulated kinase includes heavy metal sensor signal conditioning circuit, Pt100
Temperature sensor modulate circuit, wherein heavy metal sensor signal conditioning circuit is divided into four partial circuits composition, respectively without
Power filter, voltage follower circuit (using the integrated package CA3140 that the Radio Corporation of America produces), calculus of differences
Circuit and operational amplification circuit, the signal conditioning circuit of Pt100 temperature sensor includes sensor measurement electric bridge (power supply defeated
Entering the device used is the three end adjustable shunt reference source TL431 that TIX produces) and amplifying circuit (employing
Device is LM358 model) two parts；Data acquisition module includes that A/D converts (using the chip of A/D7705 model),
51 single-chip microcomputers (use STC89C52C single-chip microcomputer).
First reagent is prepared: Cd (NO3)2、Pb(NO3)2、Cu(NO3)2、NaNO3, deionized water, saturated KCl solution,
HCl, hexamethylenetetramine solution and NHO3；Agents useful for same all uses the analytical pure solution that impurity content is little.Configuration process:
It is respectively configured the Cd (NO of 0.1mol/L3)2、Pb(NO3)2With Cu (NO3)2Solution is as mother solution；Dilute with deionized water successively
10 times, use NaNO3Solution is as dilute solution.Secondly to electrode pretreatment: select electrode to be immersed in 0.009mol/L cadmium ion
Cd (NO3)2In solution；Lead Ion-selective Electrode is immersed in the Pb (NO of 0.005mol/L3)2In solution；Copper ion selects electricity
Pole is immersed in the Cu (NO of 0.016mol/L3)2In solution.3 ion selective electrodes are dipped to stable reading (about 5 respectively
Minute) electrode can be used to measure.Then, sample is tested: take the Cd (NO of the variable concentrations prepared3)2,
Pb(NO3)2, Cu (NO3)2Each 5ml, is separately added into the KNO of 5ml1mol/L3Solution, the hexamethylenetetramine solution of 5ml,
It is 50ml that mixed solution dilute solution is diluted to volume.In variable concentrations is worth solution, it is sequentially inserted into the heavy metal of correspondence
Ion selective sensor, reading potential value E (after about 2 minutes) after stable reading.Finally, design two schemes contrasts and removes
The effect of dirt, one is not do dirty removing processing, and another kind is that the periodically timing of design circuit uses ultrasonic descaler to test solution,
Ensureing the degree of accuracy of monitoring concentration of heavy metal ion, then show on computer screen by the data of monitoring result, experimental result is bent
Line shows that the Monitoring Data several times after finding scale removal has almost no change and effect is more accurate.
Originally being embodied as scale removal casing and use ultrasound wave descaling, operation principle is: it is ultrasonic that ultrasonic transducer makes that ultrasonic-frequency power supply sends
Frequently alternating current power supply is converted into ultrasound wave, and the ultrasound wave then produced by ultrasonic transducer makes the bubble in solution produce cavitation effect
And carry out scale removal.
Originally being embodied as can Real time displaying heavy metals in industrial wastewater ion concentration and periodically carrying out self monitoring instrument in real time
Scale removal, supervises the process of sewage in industry, can effectively reduce factory row steathily and omit the generation of phenomenon in printing, for concentration of heavy metal ion
Monitoring provide novel device objective, a kind of.
The above is only preferred implementation of the present utility model, it is noted that for those skilled in the art,
On the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection domain of the present utility model.
Claims (3)
1. heavy metal species on-line monitoring system device in situ, it is characterised in that include heavy metal on-line monitoring case, PC in situ
Machine and the scale removal casing put in industrial wastewater to be detected, be provided with in described heavy metal on-line monitoring case in situ Signal-regulated kinase and
Data acquisition module, described scale removal casing is divided into the upper and lower by the PVC dividing plate with some water inlets, in the end face of upper strata
At the heart and corner all offers sensor jack, and the jack at center is symmetrically arranged on two with temperature sensor jack, in sensor jack
It is provided with some all solid state heavy metal sensors, a reference electrode and a pH electrode, in temperature sensor jack, is provided with a temperature
Degree sensor, the digital signal collected is sent to data acquisition module through Signal-regulated kinase by all solid state heavy metal sensor,
Data acquisition module transfers data to PC by USB data transmission line, is provided with ultrasound wave and occurs bottom described PVC dividing plate
Device is popped one's head in, and for for the ultrasonic dirt that goes of all solid state heavy metal sensor, reference electrode and pH electrode, lower level floor is provided with a band valve
The liquid outlet of door.
A heavy metal species the most according to claim 1 on-line monitoring system device in situ, it is characterised in that described signal
Conditioning module includes heavy metal sensor signal conditioning circuit and Pt100 temperature sensor modulate circuit.
A heavy metal species the most according to claim 1 on-line monitoring system device in situ, it is characterised in that heavy metal senses
Device signal conditioning circuit includes passive filter circuit, voltage follower circuit, calculus of differences circuit and operational amplification circuit,
Pt100 temperature sensor modulate circuit includes sensor measurement electric bridge and amplifying circuit, and data acquisition module includes that A/D converts
With 51 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545890.9U CN205656156U (en) | 2016-06-02 | 2016-06-02 | Heavy metal normal position on -line monitoring system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545890.9U CN205656156U (en) | 2016-06-02 | 2016-06-02 | Heavy metal normal position on -line monitoring system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205656156U true CN205656156U (en) | 2016-10-19 |
Family
ID=57404685
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620545890.9U Expired - Fee Related CN205656156U (en) | 2016-06-02 | 2016-06-02 | Heavy metal normal position on -line monitoring system device |
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| CN (1) | CN205656156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198625A (en) * | 2016-06-02 | 2016-12-07 | 东北电力大学 | One heavy metal species on-line monitoring system device in situ |
-
2016
- 2016-06-02 CN CN201620545890.9U patent/CN205656156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198625A (en) * | 2016-06-02 | 2016-12-07 | 东北电力大学 | One heavy metal species on-line monitoring system device in situ |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20170602 |