CN207866709U - A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device - Google Patents
A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device Download PDFInfo
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- CN207866709U CN207866709U CN201721793225.2U CN201721793225U CN207866709U CN 207866709 U CN207866709 U CN 207866709U CN 201721793225 U CN201721793225 U CN 201721793225U CN 207866709 U CN207866709 U CN 207866709U
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Abstract
The utility model discloses a kind of acidic and alkaline wastewater emission early-warning fluorescent online detection devices, including outer housing, it is provided with detector on the outer housing, the outer end of the detector is provided with ion-exchange membrane layer, inner end is provided with photic zone, it is provided with soda acid fluorescence marker between the photic zone and ion-exchange membrane layer, the photodetector for detecting the detector is additionally provided on the outer housing, warning circuit is connected on the photodetector.The utility model is novel, reasonable design and easy to operation, is converted into optical signal by chemical signal, reconvert is at electric signal, automatically waste water is measured in real time, and information can obtained in time at the first time, it is time saving and energy saving, intelligence degree is high, works well.
Description
Technical field
The utility model belongs to technical field of chemical detection, specifically, more particularly to a kind of acidic and alkaline wastewater discharge is pre-
Alert fluorescent online detection device.
Background technology
The pH value of acid waste water is often the important object of environmental protection administration's monitoring.The processing of acid waste water pH value is usually adopted
With in highly basic and scheme, but N-process is a uncertain process, has serious non-linear phenomena；Again due to enterprise
Quantity of wastewater effluent changes greatly, and also very greatly, pH value is typically to change for acid content variation.In general, discharge is acid
The pH value of waste water is required between 6~9.
For environmental monitoring, traditional technology measures the acid ph value of solution using pH meter, pH test paper or acid indicator,
But these conventional methods must be used when measuring the acid ph value of solution and be measured in artificial interval time, cannot continuously be supervised in real time
The acid ph value variation of solution, and sample detection labor intensive are surveyed, cannot be found in first time and early warning is acid exceeded useless
The leakage or discharge of water.
Utility model content
The problem of in view of being proposed in background technology, the technical problem to be solved by the utility model is to provide a kind of soda acids
Property discharge of wastewater early warning fluorescent online detection device.
Technical solutions of the utility model are as follows:A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device, including it is outer
Shell is provided with detector on the outer housing, and the outer end of the detector is provided with ion-exchange membrane layer, and inner end is provided with
Photosphere is provided with soda acid fluorescence marker, use is additionally provided on the outer housing between the photic zone and ion-exchange membrane layer
In being connected with warning circuit on the photodetector for detecting the detector, the photodetector.
Using above technical scheme, effect of the outer housing as support and protection, by be arranged detector come to waste water into
Row detection, by the way that the ion-exchange membrane layer in outer end is arranged come directly and waste water.Hydrogen ion inside waste water and hydroxyl
By ion-exchange membrane layer diffusion dialysis occurs for ion, enters between ion-exchange membrane layer and photic zone, refers to soda acid fluorescence
Show that layer has an impact, according to different pH value, different effects is generated under light conditions.Pass through the light on photodetector
Source, is irradiated to soda acid fluorescence marker, and the fluorescence signal of generation and its intensity increase or reduce hair with the pH value of actual environment
Raw detectability the change of divergence, while photodetector receives fluorescence signal, and carry out opto-electronic conversion, be linked into warning circuit into
Row early warning.
Further, for the ease of producing and being arranged, a kind of structure of simplification, the outer housing cylindrical shape, and institute are provided
It states that detector is also rounded, and is arranged in the end of the outer housing, the ion-exchange membrane layer is described towards outside the shell
Towards in the shell, the photodetector is arranged in the shell photosphere.
Further, for the ease of using, excitation light source is incidentally provided on the photodetector.
Further, in order to provide a variety of detection facilities and condition, the ion-exchange membrane layer includes amberplex,
And the amberplex is in anion-exchange membrane, cation-exchange membrane, amphoteric ion exchange membrane or mosaic amberplex
One kind.
Further, in order to provide a kind of structure type of detector, the ion-exchange membrane layer and photic zone pass through outer
It is connected as one, and a closed space is formed in centre, and be provided in the closed space and refer to including soda acid fluorescence
Show the soda acid fluorescence marker of agent.
Further, in order to provide the structure type of another detector, the photic zone uses glass or high molecular material
It is made, and the mixture of spin on polymers and pH probes while passing through ion as soda acid fluorescence marker on the photic zone
It exchanges film layer and soda acid fluorescence instruction is placed on inside with euphotic sealing-in.
Advantageous effect：The utility model is novel, reasonable design and easy to operation, is protected and is detected using amberplex
Device internal pH probe avoids it by the pollution of other organic substances in waste water and it is avoided to be dispersed to generation stream in waste water
It loses, while by the way that chemical signal is converted into optical signal, reconvert is automatically measured in real time waste water at electric signal,
And information can obtained in time at the first time, time saving and energy saving, intelligence degree is high, works well.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model.
Fig. 2 is the enlarged diagram of part A in Fig. 1..
Fig. 3 is the structural schematic diagram of another detector in the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device as depicted in figs. 1 and 2 has outer housing 1, outside
Detector 2 is provided on shell 1.The outer end of detector 2 is provided with ion-exchange membrane layer 2a, and inner end is provided with photic zone 2b, thoroughly
Soda acid fluorescence marker 2c is provided between photosphere 2b and ion-exchange membrane layer 2a.Ion-exchange membrane layer 2a includes ion exchange
Film, and the amberplex is anion-exchange membrane, cation-exchange membrane, amphoteric ion exchange membrane or mosaic amberplex
In one kind.The anion-exchange membrane used in the present embodiment.
As shown in Fig. 1 to Fig. 3, in the present embodiment, ion-exchange membrane layer 2a and photic zone 2b are connected as one by outer
Body, and a closed space is formed in centre, and the acid for including soda acid fluorescence indicator is provided in the closed space
Alkali fluorescence marker 2c.About the structure type of detector 2, it can also be photic zone 2b and be made of glass or high molecular material,
And the mixture of spin on polymers and pH probes while being handed over as soda acid fluorescence marker 2c by ion on photic zone 2b
Soda acid fluorescence marker 2c is placed in inside by the sealing-in for changing film layer 2a and photic zone 2b.
As shown in Figure 1, being additionally provided with the photodetector 3 for detecting the detector 2, photodetection on outer housing 1
It is connected with warning circuit on device 3.In the present embodiment, structure type as one preferred, 1 cylindrical shape of outer housing, and detect
Device 2 is also rounded, and is arranged in the end of outer housing 1, and ion exchange layer 2a is towards outside shell 1, and photic zone 2b is towards in shell 1, light
Electric explorer 3 is arranged in shell 1.It is incidentally provided with excitation light source on photodetector 3.
The principles of the present invention are as follows：
At work, detector 2 is contacted with water body to be measured, and acid, alkali and water are through ion-exchange membrane layer 2a through diffusion dialysis
Reach balance between the two in water body to be measured and detector 2.When water body pH to be measured is reduced or is increased, inside ion-exchange membrane layer 2a
PH value decrease or increase, and generated under excitation light source irradiations of the soda acid fluorescence marker 2c on photodetector 3
Fluorescence intensity changes with the reduction or raising of pH value, photodetector 3 according to receive fluorescence signal intensity judge it is molten
Whether the pH value of liquid is more than predetermined value.Photodetector 3 receives fluorescence signal, and carries out opto-electronic conversion, accesses warning circuit.Cause
This, the change of pH will cause the real-time change of fluorescence signal and intensity, and then cause the variation of electrical signal intensity, the alarm of connection
Device alarms to the solution ph for reaching alarm threshold value, to which this device can carry out real-time, online inspection to the pH value of fluid
It surveys and alarms.
The detector of the utility model detection device when in use is placed in water body to be measured, realizes the real-time online to water body
Monitoring, alarming so that manager can have found that the pH of testing liquid deviates situation in first time, and pH is controlled not in first time
The discharge of waste water up to standard achievees the purpose that protect water environment to reduce the Environment Protection and Drainage of Pulled Water pressure of enterprise.In addition, by difference
The selection of pH fluorescence probes can detect the pH variations of testing liquid within the scope of several pH.Present apparatus making is relatively simple,
Of low cost, prepared by the assembling of applicable industry product, can realize auto-alarm function, in industrial wastewater discharge pH warning aspects and its
He needs the occasion for monitoring fluid pH value in real time to have a wide range of applications.
The selection needs of pH probe substances are determined according to the specific pH scope of applications of waste water, while according to the pH probes of selection
Carry out selective exitation light source.Such as dansyl base -8- aminoquinolines, in pH=7.95 in aqueous solution under the excitation of 370nm wavelength lights
It is boundary with pH=7.95 to have highest fluorescence intensity, the aqueous solution fluorescence intensities of 20 every liter of micromole concentration when left and right
Point is reduced with the reduction fluorescence intensity of pH, and in pH=6.3, its fluorescence intensity is about 100a.u., sets it to threshold value, can
The overstandard waste water of pH ＜ 6.3 is detected using photodetector.
In the preparation for preparing detector 2, dansyl base -8- aminoquinolines and polyacrylamide polymers are spun on light transmission
The surfaces layer 2b, the polyacrylamide polymers that dansyl base -8- aminoquinolines are closed using amberplex 2a and photic zone 2b are applied
Layer.Detector 2 and photodetector 3 are fixed on outer housing 1.When in use, the detector 2 in the present apparatus is placed in first
In the buffer solution of pH=6.3, the fluorescence intensity of 2 Internal Fluorescent coating of detector is measured using photodetector 3, is set as threshold
Value；Then the detector 2 in the present apparatus is placed in waste water, with the variation of wastewater pH, when the detection that photodetector 3 obtains
When 2 fluorescence intensity of device is less than given threshold, by NPN closed types phototriode circuit output low level to warning circuit, into
And pass through warning circuit early warning.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device, it is characterised in that：It is described outer including outer housing (1)
Detector (2) is provided on shell (1), the outer end of the detector (2) is provided with ion-exchange membrane layer (2a), and inner end is provided with
Photic zone (2b) is provided with soda acid fluorescence marker (2c) between the photic zone (2b) and ion-exchange membrane layer (2a), described
It is additionally provided with the photodetector (3) for detecting the detector (2) on outer housing (1), connects on the photodetector (3)
It is connected to warning circuit.
2. acidic and alkaline wastewater emission early-warning fluorescent online detection device as described in claim 1, it is characterised in that：The shell
Body (1) cylindrical shape, and the detector (2) is also rounded, and be arranged in the end of the outer housing (1), the ion exchange
Outside towards the shell (1), the photic zone (2b) is interior towards the shell (1) for film layer (2a), and photodetector (3) setting exists
In the shell (1).
3. acidic and alkaline wastewater emission early-warning fluorescent online detection device as claimed in claim 2, it is characterised in that：The photoelectricity
Detector is incidentally provided with excitation light source on (3).
4. acidic and alkaline wastewater emission early-warning fluorescent online detection device as claimed in claim 2, it is characterised in that：The ion
It includes amberplex to exchange film layer (2a), and the amberplex is anion-exchange membrane, cation-exchange membrane, amphoteric ion
One kind in exchange membrane or mosaic amberplex.
5. acidic and alkaline wastewater emission early-warning fluorescent online detection device as claimed in claim 4, it is characterised in that：The ion
It exchanges film layer (2a) and photic zone (2b) is connected as one by outer, and a closed space is formed in centre, and at this
The soda acid fluorescence marker (2c) including soda acid fluorescence indicator is provided in closed space.
6. acidic and alkaline wastewater emission early-warning fluorescent online detection device as claimed in claim 4, it is characterised in that：The light transmission
Layer (2b) is made of glass or high molecular material, and the mixture of spin on polymers and pH probes is made on the photic zone (2b)
For soda acid fluorescence marker (2c), while by the sealing-in of ion-exchange membrane layer (2a) and photic zone (2b) by the soda acid fluorescence
Marker (2c) is placed in inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793225.2U CN207866709U (en) | 2017-12-20 | 2017-12-20 | A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793225.2U CN207866709U (en) | 2017-12-20 | 2017-12-20 | A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866709U true CN207866709U (en) | 2018-09-14 |
Family
ID=63465407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793225.2U Expired - Fee Related CN207866709U (en) | 2017-12-20 | 2017-12-20 | A kind of acidic and alkaline wastewater emission early-warning fluorescent online detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866709U (en) |
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2017
- 2017-12-20 CN CN201721793225.2U patent/CN207866709U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20181220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |