CN110231374A - A kind of greasy dirt on-line monitoring method based on hydrophobic oil absorption material - Google Patents
A kind of greasy dirt on-line monitoring method based on hydrophobic oil absorption material Download PDFInfo
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- CN110231374A CN110231374A CN201910575591.8A CN201910575591A CN110231374A CN 110231374 A CN110231374 A CN 110231374A CN 201910575591 A CN201910575591 A CN 201910575591A CN 110231374 A CN110231374 A CN 110231374A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
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Abstract
The invention discloses a kind of greasy dirt on-line monitoring methods based on hydrophobic oil absorption material, the device of use includes signal pickup assembly, signal transmitting apparatus and signal processing apparatus, the signal acquisition is surveyed device and is made of one or more lambda sensors and hydrophobic oil absorption material, and the probe segment of the lambda sensor is fixed in hydrophobic oil absorption material；The described method includes: (1) setting at a temperature of, obtain voltage signal values of different greasy dirts under the conditions of different amounts and change over time curve；(2) change temperature, obtain voltage signal values of different greasy dirts under the conditions of different amounts under different temperatures according to the method for step (1) and change over time curve；(3) temperature for measuring water body to be measured, same signal pickup assembly is placed in water body to be measured, is obtained voltage signal values and is changed over time curve, determines greasy dirt classification and greasy dirt content by Curve Matching.The greasy dirt on-line monitoring in fresh water or marine oil spill accident can be achieved in the present invention.
Description
Technical field
The invention belongs to water body greasy dirts to monitor field, specially a kind of greasy dirt on-line monitoring side based on hydrophobic oil absorption material
Method.
Background technique
Marine oil spill pollution be coverage is most wide in various marine pollutions, harm time longest, to ecological environment destruction
Maximum one kind.Quickly accurate, real-time online detection greasy dirt pollutes marine oil spill with feeding back the concrete condition in oil spilling region
It administers significant, adverse effect of the oil spilling to environment can be reduced to the maximum extent.
The method of monitoring oil spill common at present mainly has hyperspectral technique, infrared/ultraviolet absorption spectroscopy, laser
Fluorescence method, microwave irradiation, microwave scattering method, radar remote sensing etc., these methods mainly pass through measurement water oil stain in difference
Spectral characteristic (reflectivity, fluorescent characteristic, scattering spectrum) under the light irradiation of wave band, receives response by sensor or radar
Data Management Analysis is carried out after signal again, and then provides oil film thickness or oil spillage.Due to the oil film light value in practical spilled oil on water surface
These monitoring methods are influenced vulnerable to factors such as data processing precision, geographical environments when modal data measures, so as to cause oil film identification
Accuracy is low, and is difficult to obtain data related with oil film thickness feature.Thus, further to ensure spilled oil monitoring result to reality
The directive function of border Pollution, the novel monitoring method for developing offshore spilled oil is also extremely urgent, to improve spilled oil on water surface conscientiously
Monitoring capability.
Oxygen content is responsible for extremely important role in marine environmental monitoring, and the application of lambda sensor is also increasingly wider
It is general.After hydrophobic oil absorption material oil suction, the type and greasy dirt amount of oxygen content and greasy dirt in oil absorption material exist certain
Inner link, the present invention propose the variation that the oxygen content in hydrophobic oil absorption material is detected by lambda sensor to realize marine oil spill
Greasy dirt is monitored on-line in accident.The advantage of the invention is that adjustable point real time on-line monitoring, accuracy is high, not dry vulnerable to decoy
It disturbs, directive function can be played to practical Pollution.
Summary of the invention
For oil pollution problem in water body oil spill accident, the purpose of the present invention is to provide one kind to be based on hydrophobic oil suction material
The greasy dirt on-line monitoring method of material is light to realize by the variation of the oxygen content in the hydrophobic oil absorption material of lambda sensor real-time monitoring
Greasy dirt on-line monitoring in water or marine oil spill accident.
The present invention is achieved through the following technical solutions:
On the one hand, the present invention provides a kind of greasy dirt on-line monitoring method based on hydrophobic oil absorption material, the greasy dirts
On-line monitoring method is monitored on-line using online greasy dirt monitoring device, and the online greasy dirt monitoring device includes signal acquisition
Device, signal transmitting apparatus and signal processing apparatus；Signal is transmitted to by the signal pickup assembly by signal transmitting apparatus
Signal processing apparatus；The signal acquisition is surveyed device and is made of one or more lambda sensors and hydrophobic oil absorption material, the oxygen
The probe segment of sensor is fixed in the hydrophobic oil absorption material；
The greasy dirt on-line monitoring method the following steps are included:
(1) setting at a temperature of, signal pickup assembly is placed in the water body of no oil pollution, is obtained by lambda sensor
It obtains without the initial oxygen content in hydrophobic oil absorption material under greasy dirt pollution condition, records corresponding voltage signal values V at this time0；
Greasy dirt is added into the water body of no oil pollution, monitors oxygen content in hydrophobic oil absorption material on-line and changes, be depicted as
Voltage signal values change over time curve, change over time voltage signal values and tend towards stability, and record the stable voltage signal values；
Change the greasy dirt amount being added, draws voltage signal values and change over time curve and record stable voltage signal values, when observing
When stable voltage signal values no longer increase with the increase of greasy dirt amount, it is meant that the greasy dirt adsorbance of monitoring device has been at this time
Up to saturation；It stores voltage signal values of greasy dirt under the conditions of different amounts and changes over time curve, these curves are adsorbing
The stage beginning voltage signal values rate of rise having the same；
Change greasy dirt classification, according to the method described above, obtain voltage signal values of different greasy dirts under the conditions of different amounts with
Time changing curve；Different greasy dirts have the different voltage signal values rates of rise in absorption initial phase；
(2) change temperature, obtain under different temperatures different greasy dirts under the conditions of different amounts according to the method for step (1)
Voltage signal values change over time curve；
(3) temperature for measuring water body to be measured, same signal pickup assembly is placed in water body to be measured, monitors hydrophobic suction on-line
Oxygen content changes in light wood material, is depicted as voltage signal values and changes over time curve, after voltage signal values are stablized, from the voltage
Signal value and V0Numerical value change know the oil pollution situation of water body to be measured, if voltage signal values increase, then it represents that there are oil
Dirt pollution determines greasy dirt classification according to the voltage signal values rate of rise of initial phase is adsorbed at this temperature, then by water body to be measured
Voltage signal values change over time curve and identified greasy dirt does not have to voltage signal values under the conditions of dosage at such a temperature
It changes over time curve to be matched, to determine greasy dirt content.
In the present invention, the type of water body does not influence the response of voltage signal values.
In the present invention, the hydrophobic oil absorption material can be compound oil suction cotton piece, porous hydrophobic oil suction fibre, hydrophobic oil suction
Sponge, hydrophobic oil suction felt etc..
In the present invention, position of the signal pickup assembly in water body has little effect monitoring result.
In the present invention, the oil pollution is from light crude oil, middle matter crude oil, middle matter crude oil, extra heavy crudeoil, petroleum
Ether, carbon tetrachloride, gasoline, synthetic motor oil etc..
In the present invention, the lambda sensor can be the not oxygen consumption type based on principle of fluorescent quenching Luminescence based Oxygen Sensor,
The lambda sensor of electrochemistry oxygen consumption type, portable lambda sensor etc. are preferably able to achieve the Fiber Optic Oxygen lambda sensor of on-line monitoring.
Preferably, the optical fiber oxygen sensor is by transducer body portion and probe segment detachable connection；It is described
Transducer body portion by inner hollow shell and be integrated in the intracorporal blue light source of the shell and red-light source, light source drives
Dynamic, conduction optical fiber, fluorescence reception plate, feux rouges optical filter, optoelectronic sensor, data acquisition card, signal identifier and control electricity
Road board group at；The probe segment can be inspired glimmering by the lid that matches with the shell and being integrated in the lid
The oxygen sensitive layer of light is constituted；The lid is equipped with through-hole, and the through hole is equipped with being optically isolated for permeable oxygen
Layer；It is sequentially installed with oxygen sensitive layer and transparent carrier piece in the lid in optical isolation layer from bottom to top；
The LED light source and the light source are drivingly connected；
The shell is equipped with opening close to lid end, and the opening direction is identical as the LED light source direction of the launch,
The channel for constituting LED light source transmitting light or reflected light, guides for that will emit light to the oxygen sensitive layer；
The fluorescence reception plate guides the fluorescence that the oxygen sensitive layer issues to the optoelectronic sensor,
The light inputting end of the optoelectronic sensor is equipped with feux rouges optical filter, and the optoelectronic sensor connects with the conduction optical fiber
Receiving end connection；
The data acquisition card is connect with the conduction rear end of the conduction optical fiber, and the data acquisition card is stored in
In the signal identifier；
The light source driving and optoelectronic sensor, signal identifier are electrically connected with the control circuit board respectively；
The optical fiber oxygen sensor is integrally in enclosed construction.
The optical fiber oxygen sensor is successively connect with the signal transmitting apparatus and signal processing apparatus.
LED light source of the present invention is preferably the blue light of wavelength 475nm and the feux rouges of 600nm, and the blue light can be with
Electric signal is converted into as reference signal by optoelectronic sensor after the excitation reflection to red light, is made with eliminating environmental factor
At influence.
Further, the transducer body portion and probe segment can be connected through a screw thread or snap connection.
Further, the optical isolation layer is preferably silicone, and the oxygen sensitive layer preferably contains aerobic quick fluorescence
The quick fluorescent film of oxygen of indicator three (4,7- biphenyl -1,10- phenanthroline) ruthenous chloride.
Data acquisition card of the present invention the case where for acquiring each monitored site in real time, and is stored in signal knowledge
It is standby in real time in other device to read.
Signal identifier of the present invention for each data acquisition card of period inspection at a fixed time, and reads letter
Stored data in number capture card, converts through data transmission interface A/D, each monitored site status data is reached control circuit
Plate.
Control circuit board of the present invention is converted for signal acquisition and signal, and the model of the control circuit board is excellent
It is selected as the single machine piece of MSP43f149, comprising: control unit module, transmitting unit module and data processing module, the control
Unit module connects transmitting unit module and data processing module, for controlling transmitting unit module and data processing module；Institute
The transmitting unit module input connection control unit module stated, output end connect light source and drive work；The data processing
The electric signal that module receives the reflection fluorescence intensity transmitted from the optoelectronic sensor directly issues, or will reflect fluorescence
The electric signal of intensity is converted to wireless data transmission by signal adapter and goes out.
Further, the signal transmitting apparatus be fiber optic cables, USB data line, transceiver, microwave emitter or
Satellite.
Further, the signal processing device is set to server computer, microwave receiver or data processor.
The working principle of online oil spill monitoring device of the present invention is blue led light source and red LED light source
Drive transmitting blue light and red light irradiation to the quick fluorescence of oxygen containing aerobic quick fluorescence indicator by light source under control circuit board control
On film, the quick fluorescent film of oxygen containing aerobic quick fluorescence indicator issues fluorescence under the action of blue light, and fluorescence signal is through anti-
It penetrates and is received by fluorescence reception plate, the photoelectric sensor using the optical filter equipped with feux rouges is changed into electric signal, while red LED
The feux rouges that lamp issues is through reflecting the electric signal being changed by photoelectric sensor as reference signal；Signal is through optoelectronic sensor
Information acquisition card is reached by Conductive fiber after filtering, and by information identifier each signal acquisition of period inspection at a fixed time
Card reads stored data in blocking, converts through data transmission interface A/D, each monitored site status data is reached control circuit
Plate；The request signal for reaching control circuit board, reaches signal processing apparatus by signal transmitting apparatus, according to fluorescence intensity and overflows
The corresponding relationship of oily pollution region oxygen content concentration obtains the degree of oil pollution in seawater.
In the present invention, the signal transmission can be wireless transmission, optical fiber transmission and satellite remote sensing transmission etc., but unlimited
In this.The transmission principle wherein transmitted by wireless signal are as follows: the seawater voltage signal values monitored are passed through into compression number
Word signal removes information source redundancy, introduces appropriate redundancy to fight interchannel noise and interference, poor according to different communication system
Different, modulator approach is different, number (0,1) sequence of coding is become number (or simulation) baseband signal, by baseband signal
Be modulated to intermediate frequency amplification, intermediate-freuqncy signal re-modulation to radio band and amplification gone out by aerial radiation, allow satellite can receive.
Compared with prior art, the beneficial effects of the present invention are:
1, monitoring method of the invention detects the variation of the oxygen content in hydrophobic oil absorption material by lambda sensor to realize
Greasy dirt is monitored on-line in marine oil spill accident, and the monitoring data of oxygen content are accurate and reliable, and response is fast, is suitable for fixed point real-time online
Greasy dirt monitoring；
2, monitoring method of the invention is not influenced by extraneous factors such as marine environment and meteorological conditions, not vulnerable to decoy
Interference, can quickly and accurately monitor greasy dirt classification and the oil spillage in oil spill accident.
3, the present invention can field observation measurement result, can also be realized long-term online by remote communication interface
Unmanned monitoring, and realize the automatic collection and transmission of data.
4, the present invention can be widely applied to the Monitoring Overflowing Oil Accidents in the regions such as seawater, lake water, at low cost, have extensive
Application prospect.
Detailed description of the invention
Fig. 1 is the change curve that optical fiber oxygen sensor obtains voltage signal values online
Fig. 2 is the voltage signal values of optical fiber oxygen sensor with the change curve of greasy dirt amount；
Fig. 3 is the voltage signal values versus time curve of different classes of greasy dirt；
Fig. 4 is influence of different types of oil absorption material to oxygen sensor voltage signal value；
Fig. 5 is the fixation position of influence to(for) voltage signal values of the probe of lambda sensor in oil absorption material；
Fig. 6 is influence of the lambda sensor type to voltage signal values；
Fig. 7 is the greasy dirt on-line monitoring equipment based on hydrophobic oil absorption material.
Fig. 8 is the general structure schematic diagram of optical fiber oxygen sensor；
Fig. 9 is the specific schematic diagram of fibre-optical probe of lambda sensor；
Figure 10 is the top view of the fibre-optical probe of lambda sensor；
Figure 11 is the fiber body structural schematic diagram of lambda sensor；
Figure 12 is the fibre-optical probe front elevation of lambda sensor；
Figure 13 is the fibre-optical probe back view of lambda sensor.
Wherein, 1, shell, 2, fluorescence reception plate, 3, light source driving, 4, conduction optical fiber, 5, feux rouges optical filter, 6, blue light filter
Mating plate, 7, optoelectronic sensor, 8, data acquisition card, 9, signal identifier, 10, control circuit board, 11, lid, 12, through-hole,
13, optical isolation layer, 14, oxygen sensitive layer, 15, transparent carrier piece, 16, blue LED lamp, 17, red LED lamp, 18, Fiber Optic Oxygen biography
Sensor, 19, hydrophobic oil absorption material, 20, fiber optic cables, 21, server computer.
Specific embodiment
The present invention is further described in conjunction with following Examples, but the scope of protection of the present invention is not limited thereto.
Embodiment 1:
Referring to attached drawing 7-13, a kind of online greasy dirt monitoring device is as shown in attached drawing 7, including signal pickup assembly, optical fiber electricity
Cable 20 and server computer 21；Signal is transmitted to server computer by fiber optic cables by the signal pickup assembly；
The signal pickup assembly is made of 4 optical fiber oxygen sensors 18 and compound oil suction cotton piece, and the Fiber Optic Oxygen passes
The probe segment of sensor 18 is fixed in the compound oil suction cotton piece；The optical fiber oxygen sensor 18 is by transducer body portion
It is connected through a screw thread with probe segment；The whole optical fiber oxygen sensor 18 is in enclosed construction；
The sensor main body is by the shell 1 of inner hollow and the blue LED lamp 16 that is integrated in the shell 1 and red
Color LED17, light source driving 3, conduction optical fiber 4, feux rouges optical filter 5, blue filter 6, optoelectronic sensor 7, data acquisition card
8, signal identifier 9 and control circuit board 10 form；The probe segment by the lid 11 that matches with the shell 1 and
Be integrated in the lid 11 can inspire fluorescence containing aerobic quick fluorescence indicator (4,7- biphenyl -1,10- phenanthroline) two
The quick fluorescent film of the oxygen of ruthenic chloride is constituted；The lid 12 is equipped with through-hole, and the through hole is equipped with silicone；Described
It is sequentially installed with from bottom to top on silicone in lid 12 containing aerobic quick three (the adjacent luxuriant and rich with fragrance hello of 4,7- biphenyl -1,10- of fluorescence indicator
Quinoline) ruthenous chloride the quick fluorescent film of oxygen and transparent carrier piece 15；
The blue LED lamp 16, which is equipped with blue filter, can launch the blue light of 450nm；
The blue LED lamp 16 and red LED lamp 17 is electrically connected with the light source driving 3 respectively；
The shell 1 is equipped with opening, the opening direction and the LED light source direction of the launch phase close to 11 end of lid
Together, the channel that blue led light source 2 emits blue light and red LED lamp transmitting feux rouges is constituted, is guided for light will to be emitted to described
On the quick fluorescent film of oxygen containing aerobic quick fluorescence indicator；
The fluorescence reception plate 5 guides the fluorescence that the quick fluorescent film of the oxygen containing aerobic quick fluorescence indicator issues
On to the optoelectronic sensor 7, the light inputting end of the optoelectronic sensor 7 is equipped with feux rouges optical filter 5, the photoelectricity
Senser element 7 is connect with 4 receiving end of conduction optical fiber；
The data acquisition card 8 is connect with the conduction rear end of the conduction optical fiber 4, and the data acquisition card 8 is deposited
It is stored in the signal identifier 9；
The light source driving 3 and optoelectronic sensor and signal identifier 7 are electric with the control circuit board 10 respectively
Connection；
The control circuit board 10 is responsible for acquisition, concentration calculation, the data preservation of fluorescence signal, is the core entirely controlled
The heart is responsible for the transmission ordered, data acquisition, data processing and is connect by fiber optic cables with server computer；Described
Control circuit board uses MSP43f149 single-chip microcontroller, comprising: control unit module, transmitting unit module, data processing module；Institute
The control unit module stated is connected with transmitting unit module, data processing module respectively；The data processing module receives and
Transmitting unit module input connection control described in the electric signal for the reflection fluorescence intensity transmitted from the optoelectronic sensor
Unit module, output end connects light source driving, for controlling the work of LED light source；The input terminal of the data processing module,
For receive optoelectronic sensor generation electric signal, output end by fiber optic cables be connected with server computer realize lead to
Letter, data processing module judge marine oil spill pollution condition according to the data of collection.
When work: blue led light source and red LED light source under control circuit board control by light source drive transmitting blue light and
On red light irradiation to the quick fluorescent film of oxygen containing aerobic quick fluorescence indicator, the quick fluorescence of oxygen containing aerobic quick fluorescence indicator
Film issues fluorescence under the action of blue light, and fluorescence signal is reflected to be received by fluorescence reception plate, using the optical filtering that feux rouges is housed
The photoelectric sensor of piece is changed into electric signal, while the feux rouges that red LED lamp issues is changed into through reflecting by photoelectric sensor
Electric signal as reference signal；Signal reaches information acquisition card by Conductive fiber after optoelectronic sensor filters, and by believing
Identifier each data acquisition card of period inspection at a fixed time is ceased, stored data in blocking is read, is turned through data transmission interface A/D
It changes, each monitored site status data is reached into control circuit board；The request signal for reaching control circuit board, is transmitted by optical fiber
Cable 20 reaches server computer 21, must be gone to sea according to the corresponding relationship of fluorescence intensity and oil spill region oxygen content concentration
The degree of oil pollution in water.
At 25 DEG C, 1000ml deionized water is taken, the probe of optical fiber oxygen sensor is fixed on to the hydrophobic compound suction of circle
Oily cotton piece (Taobao's purchase, purchase link are as follows: https: //item.taobao.com/item.htm? ut_sk=1.XD34xu/
0bsEDAIers3cOsu4p_21380790_1561614669985.Copy.1&id=53731 7434400&sourceType=
Item&price=124&suid=1EB70A76-AABC-4D4A-9994-F3D4D497C9C2 &un=02157ead1f71b
33e45426828bb998f85&share_crt_v=1&sp_tk=77+ldmlxNVk1dE9X dGbvv6U=&cpp=1&
Shareurl=true&spm=a313p.22.sk.1044503482240&short_name=h .eg0EWFB&sm=
798fc8&tdsourcetag=s_pcqq_aiomsg&app=chrome, size 70*70*2mm) centre, it is each away from its edge
2cm, the signal pickup assembly is in underwater 1cm or so.20mL synthetic motor oil is then added in deionized water, simulates oil spilling thing
Part carries out slight wobble, obtains voltage signal values online by optical fiber oxygen sensor and be depicted as change curve, discovery voltage letter
Number value slowly increases after machine oil is added, and generates signal response, and supplement voltage signal values increase to from 98078a.u
109613a.u seeing attached drawing 1.This shows that sea can be achieved in the variation that the oxygen content in hydrophobic oil absorption material is detected by lambda sensor
Greasy dirt is monitored on-line in foreign oil spill accident.
Embodiment 2:
Using the device of embodiment 1, at 25 DEG C, 35g sodium chloride (NaCl) is added in 1000mL water, glass bar stirs
Mixing makes its uniform dissolution, obtains simulated seawater；Signal pickup assembly is placed in simulated seawater；It is added again into simulated seawater
20mL synthetic motor oil is simulated oil spill events, is slightly rocked, and monitors the voltage of lambda sensor on-line by optical fiber oxygen sensor
Signal value changes and is depicted as curve.As a result same as Example 1, this shows the type for changing water body, to voltage signal values
Response does not have an impact.
Embodiment 3:
Using the device of embodiment 1, at 25 DEG C, 35g sodium chloride (NaCl) is added in 2000mL water, glass bar stirs
Mixing makes its uniform dissolution, obtains the simulated seawater of dilute concentration；Signal pickup assembly is placed in the simulated seawater of western concentration；Again to
20mL synthetic motor oil is added in simulated seawater, simulates oil spill events, is slightly rocked, monitored on-line by optical fiber oxygen sensor
Voltage signal values simultaneously draw curve, as a result same as Example 1, find the content for reducing sodium chloride to experimental monitoring result not
Have an impact.
Embodiment 4:
Embodiment 4 is identical as the method for embodiment 2, and difference is that the synthesizer oil mass being added is 5mL, 10mL, 15mL,
Voltage signal values are monitored on-line by optical fiber oxygen sensor respectively and change and be depicted as curve, are recorded after voltage signal values are stablized
The voltage signal values, and the relational graph of stable voltage signal values and synthetic motor oil dosage is drawn, as shown in Fig. 2, as a result, it has been found that
The synthesizer oil mass being added is different, and the voltage signal values after optical fiber oxygen sensor is stablized are different, but these curves are in 0-
The voltage signal values rate of rise at 100s is essentially identical.
Embodiment 5:
Embodiment 5 is identical as the method for embodiment 2, and difference is that the oily substance being added is CCl4, petroleum ether, vapour
Oil is depicted as curve to the voltage signal values that optical fiber oxygen sensor persistently obtains, as shown in fig. 3, it was found that at 50s, voltage letter
Number change curve with greasy dirt classification difference just have already appeared different variation tendencies, this show change oil type to measurement
Result have a significant effect, i.e., monitoring method of the invention can realize the identification to greasy dirt classification.
Embodiment 6:
Embodiment 6 is identical as the method for embodiment 2, and difference is that the type of hydrophobic oil absorption material is different, oil absorption material
(Zhejiang Polytechnical University Zhijiang River institute is come from for porous super hydrophobic oil suction fibre (coming from Ningbo material institute) and super-hydrophobic oil suction sponge
High molecular material and engineering teaching and research room) monitoring result as shown in figure 4, as a result, it has been found that used oil absorption material type is different,
The voltage signal values change curve of obtained lambda sensor is different, this shows that the monitoring method of this patent can be realized to not of the same race
The greasy dirt of the oil absorption material of class is detected.
Embodiment 7:
Embodiment 7 is identical as the method for embodiment 3, and difference is that position of the signal pickup assembly in water body is different,
Respectively away from the water surface 1cm, 2cm, 3cm, 4cm, 5cm, oil absorption material used is round compound oil suction cotton piece, and area is about 100cm2:
Voltage signal values are monitored on-line by optical fiber oxygen sensor and are depicted as curve, as shown in figure 5, as a result, it has been found that signal pickup assembly exists
Position in water body is different, and less, this shows the position for changing sensing point for the voltage signal values variation of obtained lambda sensor
The response of oxygen signal value is had little effect.
Embodiment 8:
With in 1 device of lambda sensor (Haiheng Electromechanical Meter Co., Ltd., Shanghai, JPB-607) alternative embodiment of oxygen consumption type
Sensor, other are the same as 1 device of embodiment.
At 25 DEG C, 35g sodium chloride (NaCl) is added in 1000mL water, glass bar stirring makes its uniform dissolution, obtains
To simulated seawater；The probe of the lambda sensor (Haiheng Electromechanical Meter Co., Ltd., Shanghai, JPB-607) of oxygen consumption type is fixed on thin
In the compound oil suction cotton piece of water, and pass through the voltage signal values of this lambda sensor on-line monitoring simulated seawater；Again to simulated seawater
Middle addition 20mL machine oil simulates oil leak event, simulates oil spill events, carries out slight wobble, so that the oxygen that oxygen consumption type can be obtained passes
The voltage signal values of sensor are simultaneously depicted as change curve, as shown in fig. 6, the voltage signal values of the lambda sensor of discovery oxygen consumption type
Variation is different from embodiment 3, i.e., in the monitoring process of oil spilling greasy dirt, the voltage of oxygen consumption type and not two class lambda sensor of oxygen consumption is believed
The situation of change of number value is different, can become apparent from using the voltage signal values variation of the acquisition of oxygen consumption type lambda sensor.
Claims (10)
1. a kind of greasy dirt on-line monitoring method based on hydrophobic oil absorption material, it is characterised in that: the greasy dirt on-line monitoring side
Method is monitored on-line using online greasy dirt monitoring device, and the online greasy dirt monitoring device includes signal pickup assembly, signal
Transmitting device and signal processing apparatus；Signal is transmitted to signal processing device by signal transmitting apparatus by the signal pickup assembly
It sets；The signal acquisition is surveyed device and is made of one or more lambda sensors and hydrophobic oil absorption material, the spy of the lambda sensor
Head point is fixed in the hydrophobic oil absorption material；
The greasy dirt on-line monitoring method the following steps are included:
(1) setting at a temperature of, signal pickup assembly is placed in the water body of no oil pollution, nothing is obtained by lambda sensor
Initial oxygen content in the case of oil pollution in hydrophobic oil absorption material records corresponding voltage signal values V at this time0；
Greasy dirt is added into the water body of no oil pollution, monitors oxygen content in hydrophobic oil absorption material on-line and changes, be depicted as voltage
Signal value changes over time curve, changes over time voltage signal values and tends towards stability, and records the stable voltage signal values；Change
The greasy dirt amount of addition draws voltage signal values and changes over time curve and record stable voltage signal values, when observing stabilization
Voltage signal values when no longer increasing with the increase of greasy dirt amount, it is meant that the greasy dirt adsorbance of monitoring device has reached full at this time
With；It stores voltage signal values of greasy dirt under the conditions of different amounts and changes over time curve, these curves originate rank in absorption
The section voltage signal values rate of rise having the same；
Change greasy dirt classification and obtains voltage signal values of different greasy dirts under the conditions of different amounts at any time according to the method described above
Change curve；Different greasy dirts have the different voltage signal values rates of rise in absorption initial phase；
(2) change temperature, obtain voltage of different greasy dirts under the conditions of different amounts under different temperatures according to the method for step (1)
Signal value changes over time curve；
(3) temperature for measuring water body to be measured, same signal pickup assembly is placed in water body to be measured, monitors hydrophobic oil suction material on-line
Oxygen content changes in material, is depicted as voltage signal values and changes over time curve, after voltage signal values are stablized, from the voltage signal
Value and V0Numerical value change know the oil pollution situation of water body to be measured, if voltage signal values increase, then it represents that there are greasy dirt dirts
Dye determines greasy dirt classification according to the voltage signal values rate of rise of initial phase is adsorbed at this temperature, then by the electricity of water body to be measured
Pressure signal value changes over time curve and identified greasy dirt does not have to the voltage signal values under the conditions of dosage at any time at such a temperature
Between change curve matched, to determine greasy dirt content.
2. as described in claim 1 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the oxygen passes
Sensor is the lambda sensor or portable of the Luminescence based Oxygen Sensor of the not oxygen consumption type based on principle of fluorescent quenching, electrochemistry oxygen consumption type
Lambda sensor.
3. as described in claim 1 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the oxygen passes
Sensor is optical fiber oxygen sensor, and the optical fiber oxygen sensor is by transducer body portion and probe segment detachable connection；Institute
The transducer body portion stated by inner hollow shell and be integrated in the intracorporal blue light source of the shell and red-light source, light source
Driving, conduction optical fiber, fluorescence reception plate, feux rouges optical filter, optoelectronic sensor, data acquisition card, signal identifier and control
Circuit board composition；The probe segment is by the lid that matches with the shell and is integrated in the lid and can inspire
The oxygen sensitive layer of fluorescence is constituted；The lid is equipped with through-hole, the through hole be equipped with the optics of permeable oxygen every
Absciss layer；It is sequentially installed with oxygen sensitive layer and transparent carrier piece in the lid in optical isolation layer from bottom to top；
The LED light source and the light source are drivingly connected；
The shell is equipped with opening close to lid end, and the opening direction is identical as the LED light source direction of the launch, constitutes
LED light source emits the channel of light or reflected light, guides for that will emit light to the oxygen sensitive layer；
The fluorescence reception plate guides the fluorescence that the oxygen sensitive layer issues to the optoelectronic sensor, described
The light inputting end of optoelectronic sensor be equipped with feux rouges optical filter, the optoelectronic sensor and the conduction optical fiber receiving end
Connection；
The data acquisition card is connect with the conduction rear end of the conduction optical fiber, and the data acquisition card is stored in described
Signal identifier in；
The light source driving and optoelectronic sensor, signal identifier are electrically connected with the control circuit board respectively；
The optical fiber oxygen sensor is integrally in enclosed construction.
4. the greasy dirt on-line monitoring method based on hydrophobic oil absorption material as described in one of claim 1-3, it is characterised in that: institute
Stating hydrophobic oil absorption material is compound oil suction cotton piece, porous hydrophobic oil suction fibre, hydrophobic oil suction sponge or hydrophobic oil suction felt.
5. as claimed in claim 3 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the light
Source is the blue light of wavelength 475nm and the feux rouges of 600nm.
6. as claimed in claim 3 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the biography
Sensor main part and probe segment can be connected through a screw thread or snap connection.
7. the greasy dirt on-line monitoring method based on hydrophobic oil absorption material as described in one of claim 1-3, it is characterised in that: institute
The optical isolation layer stated is silicone.
8. as claimed in claim 3 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the oxygen
Sensitive layer is the quick fluorescent film of oxygen containing aerobic quick fluorescence indicator three (4,7- biphenyl -1,10- phenanthroline) ruthenous chloride.
9. as claimed in claim 3 based on the greasy dirt on-line monitoring method of hydrophobic oil absorption material, it is characterised in that: the control
Circuit board is the single machine piece that model is MSP43f149, comprising: control unit module, transmitting unit module and data processing module,
The control unit module connection transmitting unit module and data processing module, for controlling at transmitting unit module and data
Manage module；The transmitting unit module input connects control unit module, and output end connects light source and drives work；Described
The electric signal that data processing module receives the reflection fluorescence intensity transmitted from the optoelectronic sensor directly issues, or will
The electric signal of reflection fluorescence intensity is converted to wireless data transmission by signal adapter and goes out.
10. online greasy dirt monitoring device as described in claim 1, it is characterised in that: the signal transmitting apparatus is optical fiber
Cable, USB data line, transceiver, microwave emitter or satellite；
The signal processing device is set to server computer, microwave receiver or data processor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022056824A1 (en) * | 2020-09-18 | 2022-03-24 | Abb Schweiz Ag | Apparatus for determining oil leakage and robot using the apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2436141A (en) * | 2006-03-17 | 2007-09-19 | Spectronic Devices Ltd | Sensor device |
| CN202159020U (en) * | 2011-07-25 | 2012-03-07 | 中国科学院烟台海岸带研究所 | Online fluorescence dissolved oxygen measuring device |
| CN102866136A (en) * | 2012-08-09 | 2013-01-09 | 中国科学院烟台海岸带研究所 | Probe type on-line monitoring system and probe type on-line monitoring method for water petroleum pollutants |
| CN106442423A (en) * | 2016-11-30 | 2017-02-22 | 吉林大学 | Contact type oil spill monitoring system based on SPR sensing principle |
| CN107449762A (en) * | 2017-08-15 | 2017-12-08 | 重庆三峡学院 | A kind of coil type monitoring method and equipment for spilled oil on water surface pollution prewarning |
| CN108548644A (en) * | 2018-03-29 | 2018-09-18 | 中国科学院合肥物质科学研究院 | A kind of unicom petroleum storage tank leakage monitor based on optical fiber oxygen sensor |
| CN108799845A (en) * | 2018-07-12 | 2018-11-13 | 北京目黑科技有限公司 | A kind of leakage detection device and its Oil Leakage Detecting cable and detection method |
-
2019
- 2019-06-28 CN CN201910575591.8A patent/CN110231374B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2436141A (en) * | 2006-03-17 | 2007-09-19 | Spectronic Devices Ltd | Sensor device |
| CN202159020U (en) * | 2011-07-25 | 2012-03-07 | 中国科学院烟台海岸带研究所 | Online fluorescence dissolved oxygen measuring device |
| CN102866136A (en) * | 2012-08-09 | 2013-01-09 | 中国科学院烟台海岸带研究所 | Probe type on-line monitoring system and probe type on-line monitoring method for water petroleum pollutants |
| CN106442423A (en) * | 2016-11-30 | 2017-02-22 | 吉林大学 | Contact type oil spill monitoring system based on SPR sensing principle |
| CN107449762A (en) * | 2017-08-15 | 2017-12-08 | 重庆三峡学院 | A kind of coil type monitoring method and equipment for spilled oil on water surface pollution prewarning |
| CN108548644A (en) * | 2018-03-29 | 2018-09-18 | 中国科学院合肥物质科学研究院 | A kind of unicom petroleum storage tank leakage monitor based on optical fiber oxygen sensor |
| CN108799845A (en) * | 2018-07-12 | 2018-11-13 | 北京目黑科技有限公司 | A kind of leakage detection device and its Oil Leakage Detecting cable and detection method |
Non-Patent Citations (1)
| Title |
|---|
| 姜德生 等: "一种准分布式光纤光栅漏油传感器", 《光学与光电技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022056824A1 (en) * | 2020-09-18 | 2022-03-24 | Abb Schweiz Ag | Apparatus for determining oil leakage and robot using the apparatus |
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