CN108918443A - A kind of integrated portable water-quality COD detection device - Google Patents
A kind of integrated portable water-quality COD detection device Download PDFInfo
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
Abstract
The present invention relates to a kind of integrated portable water-quality COD detection devices, including spectral measurement module, display computing module, instrument controlling module, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；A kind of integrated portable water-quality COD detection device provided by the invention has the characteristics that " portable "+" super low concentration COD " detection, easy to carry, exquisite accurate measurement, it can be realized the telecommunication of field monitoring data, resolution technique can be optimized at work, optimisation criteria curve, it the technologies such as is gone forward side by side using concentration and dilution, has widened detection range.
Description
Technical field
The invention belongs to technical field of environment protection equipment；More particularly to a kind of integrated portable water-quality COD detection device.Back
Scape technology
Water is Source of life, is the scarce resource that we must make full use of and recycle, and in order to recycle, we must be clear
Pollutant that may be present and its source in Chu's waste water.COD（COD）, total phosphorus（TP）, total nitrogen（TN）, ammonia nitrogen
（NH3-N）Equal industrial pollutants are the main indicators for measuring Water quality, their excessive emissions become the head of China's water pollution
Want reason.Wherein, COD is than other indexs more representative of the characteristic of the pollutants such as organic matter.COD indicates also
Immunogenic substance especially organic matter becomes one of Chinese environmental water standard and sewage drainage standard to the pollution level of water body
Important parameter.
201721139537.1 disclose it is a kind of convenient for COD multiparameter water quality analyzer carrying device, including contain body with
And lid, the internal wall of splendid attire are equipped with foam-rubber cushion, and contain internal portion and be equipped with carrying orifice plate, the carrying orifice plate and Sheng
Dress is provided with water pump between body bottom, and the water pump two sides are separately installed with suction hose and drainpipe, and the suction hose side is worn
Through-hole is crossed, the drainpipe side passes through carrying orifice plate, and setting is containing in vivo at the top of drainpipe, splendid attire body two sides table
Middle face offers guide groove, and the lid both side surface offers half slot, is equipped with mobile bar in the half slot,
The mobile bar side is equipped with mobile round bar, and mobile round bar side is arranged in guide groove, the lid top surface peace
Equipped with carrying handle.It is convenient that the utility model carries, and expands the operation interface of water quality detection, places other detections convenient for user
Facility is conducive to user and quickly fetches water, and fetches water convenient for the water body to different topographies.
CN104174506A discloses a kind of COD water quality on-line monitoring system, including water sampling system and the online water of multiple COD
Matter analyzer, the water sampling system include that successively end to end multiple U-tubes, the quantity of the U-tube and the COD are online
The quantity of Water Test Kits is consistent；First first end of multiple U-tubes is connected with intake pipe, multiple U-tubes
The last one end of the last one be connected with water pump；The middle part lower end of multiple U-tubes is respectively arranged with connecting tube connection institute
The chamber of U-tube is stated, is provided with valve in the connecting tube；It is online that multiple connecting tubes are correspondingly connected to multiple COD
Water Test Kits.Using the technical solution, sampled by water flow of the water sampling system to the same period, the water sample in U-tube
Corresponding flow into multiple COD online water analysis instrument is detected, and testing result passes through machine or is manually calculated after obtaining
Average value.
201610094682.6 disclose a kind of detection COD of sewage automatic alarm device, including pressure sensor, flow pass
Sensor and sampling apparatus, the pressure sensor, flow sensor and sampling apparatus are connect with processor, the sampling apparatus
Including aspirator and liquid trap, the aspirator includes end cap and the suction needle that is threaded through in end cap, the inner wall of the liquid trap
On be fixed with support plate, the support plate is equipped with compression piece.The invention detects water quality using optical detector, and makes
Sampling apparatus, flow sensor and optical detector three parts cooperation detection can carry out real-time monitoring to sewage, and can be carried out certainly
Dynamic alarm.
The survey range of the water-quality COD monitoring device for the technical solution preparation that the above patent provides is less than or equal to 4mg/L, water
The changing features range of matter parameter is smaller, to use high range range field, then is difficult to be applicable in；In addition, clear carrying out water sample
Manual offer water is needed when washing with blank standard specimen, the degree of automation is low.
Summary of the invention
In order to overcome deficiency present in background technique, the present invention provides a kind of integrated portable water-quality COD detection dress
It sets.
Technical solution used in the present invention is：
A kind of integrated portable water-quality COD detection device, including spectral measurement module, display computing module, instrument controlling mould
Block, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；The spectrum is surveyed
It measures module and the uv-visible absorption spectra of surveyed water sample is obtained by spectral measurement unit, then by display computing module to it
It is resolved, to obtain the water-quality COD value of surveyed water sample；The detection water storage module can store it is enough go from
Sub- water is carrying out water sample cleaning and when blank standard specimen does not need manual offer water, cooperation instrument controlling module carry out automatically with
Upper operation；The described data transmission storage system can detect long-range COD data system integrated portable, detecting instrument,
It realizes telecommunication and field monitoring is difunctional, meet the different demands of user；The water sample control module can be according to water
The approximate range of COD content in sample by sample concentration or is diluted to best monitoring concentration, then provides water to spectral measurement unit
Sample achievees the purpose that expand sample monitoring range；It include that water sample clears up step in the water sample control module, which is disappearing
It is completed in solution tank, it is characterised in that the counteracting tank is made of a kind of high thermal conductivity fluoroplastics of Er ions.
The power supply system is made of DC power-supply system and ac power supply system, and DC power-supply system has battery pack confession
Electricity, can long-time field work.
The light source that the spectral measurement module uses is tungsten halogen lamp or deuterium lamp or xenon lamp, using type technical grade fiber spectrometer
Sample is measured.
A kind of high thermal conductivity fluoroplastics of Er ions are prepared as follows：
By weight, by 5.6-6.2 parts of calcium carbonate, 1.6-2.8 parts of expanded perlite, 2.4-3.6 parts of aluminium borate whisker,
2.5-4.5 parts of glycerol calcium, 2.5-4.5 parts of sepiolite, 2.5-4.5 parts of wollastonite in powder and filler surface activator is added to
In ball mill, 10-15 parts of ethyl alcohol is added, then ball milling 120-180min is filtered, the drying box by material at 100-120 DEG C
Middle dry 3-6h, then grinds, and sieving obtains Activation filling micro mist；By obtained Activation filling micro mist, 38-46 parts of poly- second
Alkene, 44-62 parts of polyvinyl imidazole quinoline acetate, 10-20 parts of polymethyl methacrylate/polypentaerythritol terephthalic acids
Ester/stearate/palmitate lamination powder, 0.2-0.7 parts of three monooctyl ester of phosphorous acid, 0.6-1.2 parts of azoformic acid two are different
Propyl ester and 0.8-1.4 parts of perfluoroethylene Oxymethoxy bis-fluoro ethyls PEG phosphates, [N, the N- bis- (three of 0.01-0.06 part three
Methyl-monosilane) amine] erbium, it is added in kneading machine, is kneaded 5-10min, is then fed into extruder blending extrusion, extrusion temperature is
250-280 DEG C, wherein extrusion process vacuum degree is 0.5-0.8Mpa, and the head pressure of extruder is 45-55Mpa, obtains one kind
The high thermal conductivity fluoroplastics of Er ions.
The filler surface activator is prepared as follows：
According to mass fraction, by 80-85 parts of methylnaphthohydroquinone, 50-60 parts of diphenyl ether and 0.3-0.7 parts of bisulfite
Sodium is added in reaction kettle, and stirring is warming up to 110-140 DEG C below, insulation reaction 120-180min；Then it is cooled to 90-100 DEG C,
Be added 30-35 parts of glycidoxy trimethoxy silane and 10-15 parts of enuatrol, insulation reaction 80-120min, then plus
Enter 160-200 parts of acetone, stirs 20-30min, a kind of filler surface activator can be obtained.
A kind of integrated portable water-quality COD detection device provided by the invention is examined with " portable "+" super low concentration COD "
Survey, be easy to carry, exquisite accurate measurement the characteristics of, the present apparatus has innovated instrument form, has widened water-quality COD detection limit, fills up
The short slab of COD detecting instrument enterprise, can be realized the telecommunication of field monitoring data, can optimize resolution work at work
Skill, optimisation criteria curve the technologies such as are gone forward side by side using concentration and dilution, have widened detection range.
Specific embodiment
Below by specific embodiment, the invention will be further described：
Embodiment 1
A kind of integrated portable water-quality COD detection device, including spectral measurement module, display computing module, instrument controlling mould
Block, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；The spectrum is surveyed
It measures module and the uv-visible absorption spectra of surveyed water sample is obtained by spectral measurement unit, then by display computing module to it
It is resolved, to obtain the water-quality COD value of surveyed water sample；The detection water storage module can store it is enough go from
Sub- water is carrying out water sample cleaning and when blank standard specimen does not need manual offer water, cooperation instrument controlling module carry out automatically with
Upper operation；The described data transmission storage system can detect long-range COD data system integrated portable, detecting instrument,
It realizes telecommunication and field monitoring is difunctional, meet the different demands of user；The water sample control module can be according to water
The approximate range of COD content in sample by sample concentration or is diluted to best monitoring concentration, then provides water to spectral measurement unit
Sample achievees the purpose that expand sample monitoring range；It include that water sample clears up step in the water sample control module, which is disappearing
It is completed in solution tank, it is characterised in that the counteracting tank is made of a kind of high thermal conductivity fluoroplastics of Er ions.
The power supply system is made of DC power-supply system and ac power supply system, and DC power-supply system has battery pack confession
Electricity, can long-time field work.
The light source that the spectral measurement module uses is deuterium lamp, is surveyed using type technical grade fiber spectrometer to sample
It is fixed.
A kind of high thermal conductivity fluoroplastics of Er ions are prepared as follows：
By weight, by 5.9 parts of calcium carbonate, 2.2 parts of expanded perlite, 3 parts of aluminium borate whisker, 3.5 parts of glycerol calcium,
3.5 parts of sepiolite, 3.5 parts of wollastonite in powder and filler surface activator are added in ball mill, and 14 parts of ethyl alcohol, ball is added
150min is ground, is then filtered, material is dried into 4h in 110 DEG C of drying box, is then ground, is sieved, it is micro- to obtain Activation filling
Powder；By obtained Activation filling micro mist, 42 parts of polyethylene, 52 parts of polyvinyl imidazole quinoline acetate, 15 parts of poly- methyl
Methyl acrylate/polypentaerythritol terephthalate/stearate/palmitate lamination powder, 0.5 part of three monooctyl ester of phosphorous acid,
0.9 part of diisopropyl azodiformate and 1.2 parts of perfluoroethylene Oxymethoxy bis-fluoro ethyls PEG phosphates, 0.04 part
Three [bis- (trimethyl silane) amine of N, N-] erbiums, are added in kneading machine, are kneaded 8min, are then fed into extruder blending extrusion, squeeze
Temperature is 260 DEG C out, and wherein extrusion process vacuum degree is 0.6Mpa, and the head pressure of extruder is 50Mpa, obtains a kind of erbium and mixes
Miscellaneous high thermal conductivity fluoroplastics.
The filler surface activator is prepared as follows：
According to mass fraction, reaction is added in 83 parts of methylnaphthohydroquinone, 55 parts of diphenyl ether and 0.5 part of sodium hydrogensulfite
In kettle, stirring is warming up to 120 DEG C below, insulation reaction 150min；Then 95 DEG C are cooled to, 33 parts of glycidoxy three is added
Then methoxy silane and 13 parts of enuatrol, insulation reaction 100min are added 180 parts of acetone, stir 25min, can obtain
To a kind of filler surface activator.
Embodiment 2
A kind of integrated portable water-quality COD detection device, including spectral measurement module, display computing module, instrument controlling mould
Block, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；The spectrum is surveyed
It measures module and the uv-visible absorption spectra of surveyed water sample is obtained by spectral measurement unit, then by display computing module to it
It is resolved, to obtain the water-quality COD value of surveyed water sample；The detection water storage module can store it is enough go from
Sub- water is carrying out water sample cleaning and when blank standard specimen does not need manual offer water, cooperation instrument controlling module carry out automatically with
Upper operation；The described data transmission storage system can detect long-range COD data system integrated portable, detecting instrument,
It realizes telecommunication and field monitoring is difunctional, meet the different demands of user；The water sample control module can be according to water
The approximate range of COD content in sample by sample concentration or is diluted to best monitoring concentration, then provides water to spectral measurement unit
Sample achievees the purpose that expand sample monitoring range；It include that water sample clears up step in the water sample control module, which is disappearing
It is completed in solution tank, it is characterised in that the counteracting tank is made of a kind of high thermal conductivity fluoroplastics of Er ions.
The power supply system is made of DC power-supply system and ac power supply system, and DC power-supply system has battery pack confession
Electricity, can long-time field work.
The light source that the spectral measurement module uses is xenon lamp, is surveyed using type technical grade fiber spectrometer to sample
It is fixed.
A kind of high thermal conductivity fluoroplastics of Er ions are prepared as follows：
By weight, by 5.6 parts of calcium carbonate, 1.6 parts of expanded perlite, 2.4 parts of aluminium borate whisker, 2.5 parts of glycerol calcium,
2.5 parts of sepiolite, 2.5 parts of wollastonite in powder and filler surface activator are added in ball mill, and 10 parts of ethyl alcohol, ball is added
120min is ground, is then filtered, material is dried into 3h in 100 DEG C of drying box, is then ground, is sieved, it is micro- to obtain Activation filling
Powder；By obtained Activation filling micro mist, 38 parts of polyethylene, 44 parts of polyvinyl imidazole quinoline acetate, 10 parts of poly- methyl
Methyl acrylate/polypentaerythritol terephthalate/stearate/palmitate lamination powder, 0.2- parts of phosphorous acid three are pungent
Ester, 0.6 part of diisopropyl azodiformate and 0.8 part of perfluoroethylene Oxymethoxy bis-fluoro ethyls PEG phosphate,
0.01 part of three [bis- (trimethyl silane) amine of N, N-] erbium, is added in kneading machine, is kneaded 5min, is then fed into extruder blending and squeezes
Out, extrusion temperature is 250 DEG C, and wherein extrusion process vacuum degree is 0.5Mpa, and the head pressure of extruder is 45Mpa, obtains one
The high thermal conductivity fluoroplastics of kind Er ions.
The filler surface activator is prepared as follows：
According to mass fraction, reaction is added in 80 parts of methylnaphthohydroquinone, 50 parts of diphenyl ether and 0.3 part of sodium hydrogensulfite
In kettle, stirring is warming up to 110 DEG C below, insulation reaction 120min；Then 90 DEG C are cooled to, 30 parts of glycidoxy three is added
Then methoxy silane and 10 parts of enuatrol, insulation reaction 80min are added 160 parts of acetone, stir 20min, can be obtained
A kind of filler surface activator.
Embodiment 3
A kind of integrated portable water-quality COD detection device, including spectral measurement module, display computing module, instrument controlling mould
Block, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；The spectrum is surveyed
It measures module and the uv-visible absorption spectra of surveyed water sample is obtained by spectral measurement unit, then by display computing module to it
It is resolved, to obtain the water-quality COD value of surveyed water sample；The detection water storage module can store it is enough go from
Sub- water is carrying out water sample cleaning and when blank standard specimen does not need manual offer water, cooperation instrument controlling module carry out automatically with
Upper operation；The described data transmission storage system can detect long-range COD data system integrated portable, detecting instrument,
It realizes telecommunication and field monitoring is difunctional, meet the different demands of user；The water sample control module can be according to water
The approximate range of COD content in sample by sample concentration or is diluted to best monitoring concentration, then provides water to spectral measurement unit
Sample achievees the purpose that expand sample monitoring range；It include that water sample clears up step in the water sample control module, which is disappearing
It is completed in solution tank, it is characterised in that the counteracting tank is made of a kind of high thermal conductivity fluoroplastics of Er ions.
The power supply system is made of DC power-supply system and ac power supply system, and DC power-supply system has battery pack confession
Electricity, can long-time field work.
The light source that the spectral measurement module uses is tungsten halogen lamp, is surveyed using type technical grade fiber spectrometer to sample
It is fixed.
A kind of high thermal conductivity fluoroplastics of Er ions are prepared as follows：
By weight, by 6.2 parts of calcium carbonate, 2.8 parts of expanded perlite, 3.6 parts of aluminium borate whisker, 4.5 parts of glycerol calcium,
4.5 parts of sepiolite, 4.5 parts of wollastonite in powder and filler surface activator are added in ball mill, and 15 parts of ethyl alcohol, ball is added
180min is ground, is then filtered, material is dried into 6h in 120 DEG C of drying box, is then ground, is sieved, it is micro- to obtain Activation filling
Powder；By obtained Activation filling micro mist, 46 parts of polyethylene, 62 parts of polyvinyl imidazole quinoline acetate, 20 parts of poly- methyl
Methyl acrylate/polypentaerythritol terephthalate/stearate/palmitate lamination powder, 0.7 part of three monooctyl ester of phosphorous acid,
1.2 parts of diisopropyl azodiformate and 1.4 parts of perfluoroethylene Oxymethoxy bis-fluoro ethyls PEG phosphates, 0.06 part
Three [bis- (trimethyl silane) amine of N, N-] erbiums, are added in kneading machine, are kneaded 10min, are then fed into extruder blending extrusion, squeeze
Temperature is 280 DEG C out, and wherein extrusion process vacuum degree is 0.8Mpa, and the head pressure of extruder is 55Mpa, obtains a kind of erbium and mixes
Miscellaneous high thermal conductivity fluoroplastics.
The filler surface activator is prepared as follows：
According to mass fraction, reaction is added in 85 parts of methylnaphthohydroquinone, 60 parts of diphenyl ether and 0.7 part of sodium hydrogensulfite
In kettle, stirring is warming up to 140 DEG C below, insulation reaction 180min；Then 100 DEG C are cooled to, 35 parts of glycidoxy is added
Then trimethoxy silane and 15 parts of enuatrol, insulation reaction 120min are added 200 parts of acetone, stir 30min
Obtain a kind of filler surface activator.
Comparative example 1
It prepares and does not include filler surface activator, the other the same as in Example 1 in component.
Comparative example 2
It prepares and does not include three [bis- (trimethyl silane) amine of N, N-] erbiums, the other the same as in Example 1 in component.
Comparative example 3
It prepares and does not include polyvinyl imidazole quinoline acetate, the other the same as in Example 1 in component.
Comparative example 4
It prepares and does not include polymethyl methacrylate/polypentaerythritol terephthalate/stearate/palmitinic acid ester layer in component
Press-powder, the other the same as in Example 1.
Comparative example 5
It prepares and does not include perfluoroethylene Oxymethoxy bis-fluoro ethyls PEG phosphate, the other the same as in Example 1 in component.
Table：The comparing result of the performance of sample made from different process.
| Number | Thermal conductivity（W/(m·k)） | Tensile strength（MPa） |
| Embodiment 1 | 2.51 | 35.97 |
| Embodiment 2 | 2.42 | 35.12 |
| Embodiment 3 | 2.68 | 36.68 |
| Comparative example 1 | 1.40 | 24.10 |
| Comparative example 2 | 1.81 | 29.16 |
| Comparative example 3 | 2.32 | 31.49 |
| Comparative example 4 | 2.41 | 29.22 |
| Comparative example 5 | 1.88 | 33.65 |
Claims (5)
1. a kind of integrated portable water-quality COD detection device, including spectral measurement module, display computing module, instrument controlling
Module, detection water storage module, power supply system, data storage Transmission system and water sample control module composition；The spectrum
Measurement module obtains the uv-visible absorption spectra of surveyed water sample by spectral measurement unit, then by display computing module pair
It is resolved, to obtain the water-quality COD value of surveyed water sample；The detection water storage module can store enough go
Ionized water, manual offer water is not needed when carrying out water sample cleaning and blank standard specimen, and cooperation instrument controlling module carries out automatically
The above operation；The data transmission storage system can be by the detection of long-range COD data system integrated portable, detector
Device, realizes telecommunication and field monitoring is difunctional, meets the different demands of user；The water sample control module energy according to
The approximate range of COD content in water sample by sample concentration or is diluted to best monitoring concentration, then provides to spectral measurement unit
Water sample achievees the purpose that expand sample monitoring range；It include that water sample clears up step in the water sample control module, which exists
It is completed in counteracting tank, it is characterised in that the counteracting tank is made of a kind of high thermal conductivity fluoroplastics of Er ions.
2. a kind of integrated portable water-quality COD detection device according to claim 1, it is characterised in that：The confession
Electric system is made of DC power-supply system and ac power supply system, DC power-supply system have it is battery-powered, can be wild for a long time
Outer work.
3. a kind of integrated portable water-quality COD detection device according to claim 1, it is characterised in that：The spectrum
The light source that measurement module uses is tungsten halogen lamp or deuterium lamp or xenon lamp, is measured using type technical grade fiber spectrometer to sample.
4. a kind of integrated portable water-quality COD detection device according to claim 1, it is characterised in that：Described one kind
The high thermal conductivity fluoroplastics of Er ions are prepared as follows：
By weight, by 5.6-6.2 parts of calcium carbonate, 1.6-2.8 parts of expanded perlite, 2.4-3.6 parts of aluminium borate whisker,
2.5-4.5 parts of glycerol calcium, 2.5-4.5 parts of sepiolite, 2.5-4.5 parts of wollastonite in powder and filler surface activator is added to
In ball mill, 10-15 parts of ethyl alcohol is added, then ball milling 120-180min is filtered, the drying box by material at 100-120 DEG C
Middle dry 3-6h, then grinds, and sieving obtains Activation filling micro mist；
By obtained Activation filling micro mist, 38-46 parts of polyethylene, 44-62 parts of polyvinyl imidazole quinoline acetate, 10-20
Polymethyl methacrylate/polypentaerythritol terephthalate/the stearate of part/palmitate is laminated powder, 0.2-0.7 parts
Three monooctyl ester of phosphorous acid, 0.6-1.2 parts of diisopropyl azodiformate and 0.8-1.4 parts of perfluoroethylene Oxymethoxy difluoros
Ethyl PEG phosphate, 0.01-0.06 part three [bis- (trimethyl silane) amine of N, N-] erbium, are added in kneading machine, are kneaded 5-
10min is then fed into extruder blending extrusion, and extrusion temperature is 250-280 DEG C, and wherein extrusion process vacuum degree is 0.5-
The head pressure of 0.8Mpa, extruder are 45-55Mpa, obtain a kind of high thermal conductivity fluoroplastics of Er ions.
5. a kind of integrated portable water-quality COD detection device according to claim 4, it is characterised in that：The filler
Surfactant is prepared as follows：
According to mass fraction, by 80-85 parts of methylnaphthohydroquinone, 50-60 parts of diphenyl ether and 0.3-0.7 parts of bisulfite
Sodium is added in reaction kettle, and stirring is warming up to 110-140 DEG C below, insulation reaction 120-180min；Then it is cooled to 90-100 DEG C,
Be added 30-35 parts of glycidoxy trimethoxy silane and 10-15 parts of enuatrol, insulation reaction 80-120min, then plus
Enter 160-200 parts of acetone, stirs 20-30min, a kind of filler surface activator can be obtained.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202979A (en) * | 2023-03-24 | 2023-06-02 | 郑州航空工业管理学院 | Water quality on-line analysis device based on ultraviolet spectroscopy |
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| CN107779031A (en) * | 2017-10-16 | 2018-03-09 | 广州大学 | The antifouling smooth coating of low adhesion prepared by the emulsion system without any organic solvent |
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Application publication date: 20181130 |