CN104089910A - Apparatus for simultaneously detecting color value and turbidity of finished sugar, and rapid detection method - Google Patents
Apparatus for simultaneously detecting color value and turbidity of finished sugar, and rapid detection method Download PDFInfo
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- CN104089910A CN104089910A CN201410268990.7A CN201410268990A CN104089910A CN 104089910 A CN104089910 A CN 104089910A CN 201410268990 A CN201410268990 A CN 201410268990A CN 104089910 A CN104089910 A CN 104089910A
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- 235000000346 sugar Nutrition 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 6
- 239000000523 sample Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000007654 immersion Methods 0.000 claims abstract description 17
- 238000001228 spectrum Methods 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 33
- 239000012488 sample solution Substances 0.000 claims description 13
- 238000000862 absorption spectrum Methods 0.000 claims description 12
- 235000021552 granulated sugar Nutrition 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000012088 reference solution Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract 3
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000002835 absorbance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229930006000 Sucrose Natural products 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- -1 data line Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004879 turbidimetry Methods 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- HHLJUSLZGFYWKW-UHFFFAOYSA-N triethanolamine hydrochloride Chemical compound Cl.OCCN(CCO)CCO HHLJUSLZGFYWKW-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an apparatus for simultaneously detecting the color value and the turbidity of finished sugar, and a rapid detection method. The apparatus comprises fibers, a data line, a container and a computer. The computer is provided with rapid detection software and is connected with a spectrum analyzer through the data line, the spectrum analyzer is connected with an immersion transmission probe through one of the fibers, an ultraviolet, visible and infrared light source is connected with the immersion transmission probe through one of the fibers, the immersion transmission probe is inserted into the container, and the apparatus is used to rapidly detect the color value and the turbidity of finished sugar. The apparatus and the method have the advantages of simplicity, convenient operation, and rapid and accurate detection of the color value and the turbidity of the finished sugar.
Description
Technical field
The present invention relates to the detection of ultraviolet-visible-infrared light intensity, especially a kind of colour of commerieal sugar, turbidity be pick-up unit and method for quick simultaneously.
Background technology
The colour of white granulated sugar, turbidity are the important indicators of weighing White Sugar Quality, and existing factory adopts the analytical approach of standard GB/T 317-2006 more, and the classic method of measuring colour, turbidity mainly contains DDW method, buffer solution method and gravimetric method etc.DDW method only can be measured colour and turbidity, and need to adjust liquid glucose pH value, eliminates the interference of pH value to colour and turbidimetric analysis turbidimetry; Buffer solution method makes liquid glucose pH value be neutral with triethanolamine-hydrochloric acid buffer solution, but cannot measure colour, turbidity simultaneously.Existing commerieal sugar colour, the mensuration of turbidity content are discrete, and the mensuration of colour need to be passed through filtering solution at least one times; And the data that turbidimetric analysis turbidimetry need to be measured by original solution and colour determination data obtain after comparing.All above-mentioned equal determination steps of these methods are loaded down with trivial details, it is consuming time to analyze, sampling error and personal error larger.At present, Mabillot-Proc has studied a kind of colour on-line detector (NELTEC Colour Q-800), only for the Real-Time Monitoring for white granulated sugar colour, can not detect the turbidity of white granulated sugar.The employing such as Feng Hongnian, Pan Tao near infrared spectroscopic method can be predicted the colour of white granulated sugar and other some parameters, but can not be for the turbidity monitoring in white granulated sugar.In addition, because this instrumentation is complicated, sensitivity is lower, instrument price and maintenance expenditures very expensive, be therefore difficult to application in sugar industry.Up to now, also not having in the world can be to the system that in white granulated sugar, colour, turbidity detect simultaneously.
Summary of the invention
Technical matters to be solved by this invention is to utilize ultraviolet, visible and infrared Absorption spectrum in conjunction with dual wavelength method, does not need chemical reagent, and can be simultaneously, accurately colour, the turbidity of fast detecting commerieal sugar.
As the first technical scheme that realizes basic conception of the present invention, it comprises optical fiber, data line, container and computing machine.Described computing machine is loaded onto fast detecting software and is connected with spectroanalysis instrument by data line, spectroanalysis instrument is connected with immersion transmission probe by optical fiber, described ultraviolet, is connected with immersion transmission probe by optical fiber with infrared light supply as seen, immersion transmission is popped one's head in the molten device of insertion.
As the second technical scheme that realizes basic conception of the present invention, it comprises optical fiber, data line, sample bath, cuvette and computing machine.Described cuvette is put into sample bath, described computing machine is loaded onto fast detecting software and is connected with spectroanalysis instrument by data line, spectroanalysis instrument is connected with the one end that is arranged on the collimating mirror on sample bath by optical fiber, described ultraviolet, is connected with the other end that is arranged on the collimating mirror on sample bath by optical fiber with infrared light supply as seen.
As the third technical scheme that realizes basic conception of the present invention, it comprises optical fiber, data line, sample flow cell and computing machine.Described computing machine is loaded onto fast detecting software and is connected with spectroanalysis instrument by data line, spectroanalysis instrument is connected with one end that the collimating mirror on sample flow cell is installed by optical fiber, described ultraviolet, is connected with the other end that is arranged on the collimating mirror on sample flow cell by optical fiber with infrared light supply as seen.
Described ultraviolet, visible and its wavelength coverage of infrared light supply are 280～2500nm.
In order to carry out fast detecting with this device, comprise following several step: before the first step detects, open ultraviolet, visible and infrared light supply, make light stability; The half-light that second step utilizes computing machine to preserve and reads on spectroanalysis instrument is composed, reference solution spectrum numerical value; The 3rd step is mixed with the ratio of distilled water 10:90～90:10 in white granulated sugar sample and sample solution is made in dissolving, and be placed in container or cuvette or sample flow pond; The 4th step is inserted immersion transmission probe in the container of sample solution, or through the ultraviolet after collimating mirror collimation, visible and infrared light supply, become directional light transmission and cross cuvette or sample flow pond, the directional light that sees through cuvette or sample flow pond imports optical fiber after collimating mirror focuses on; The 5th step is measured the absorption spectrum of the different wave length of sample solution with spectroanalysis instrument; The method that the 6th step adopts first order derivative or second derivative or small echo to process to the absorption spectrum of the different wave length of sample solution is carried out filtering; The 7th utilizes the fast detecting software based on the exploitation of double wave regular way, at computing machine, calculates, and fast detecting software shows finished product fried sugar value, turbidity.
The invention has the beneficial effects as follows: apparatus and method are simple, convenient operation, can be accurately, fast detecting commerieal sugar colour, turbidity and water insoluble matter content.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the colour of a kind of commerieal sugar of the present invention, the first technical scheme schematic diagram of turbidity while pick-up unit.
Fig. 2 is the colour of a kind of commerieal sugar of the present invention, the second technical scheme schematic diagram of turbidity while pick-up unit.
Fig. 3 is the colour of a kind of commerieal sugar of the present invention, the third technical scheme schematic diagram of turbidity while pick-up unit.
Fig. 4 is the method for quick process flow diagram of Fig. 1, Fig. 2, Fig. 3.
1. ultraviolets in figure, visible and infrared light supply, 2. optical fiber, 3. immersion transmission probe, 4. spectroanalysis instrument, 5. data line, 6. computing machine, 7. container, 8. fast detecting software, 9. sample bath, 10. cuvette, 11. collimating mirrors, 12. sample flow ponds.
Embodiment
According to Beer law, optical transmission rate is:
（1）
once the transmittance of light reflection,
with
respectively the spectral intensity of sample and reference,
for absorptivity,
for the volumetric molar concentration of amalyzing substances, b is for being light path.
The more solito definition of pressing absorption spectrum, absorbance is defined as:
（2）
Equation (2) the expression absorbance of spectrum and the volumetric molar concentration C of analytic sample are linear.Adopt mathematical method, can be by wavelength
light wave through liquid substance absorption intensity in system of Multiple components, be expressed as:
（3）
Research shows, the sugar products such as various sugarcane juices, syrup and white sugar, raw sugar, also have various coloring matters, mainly absorbs ultraviolet ray and also absorbs short wavelength light, and centering wavelength light also slightly absorbs, therefore their main displaing yellows, orange or redly.The absorption spectrum of most of sugar products in visible ray and the above scope of wavelength 300nm is a continuous curve declining gradually, there is no absorption peak.Absorption below wavelength 300mn is very strong, and the absorption more than wavelength 300nm is the descending branch that the former extends to high wavelength direction.
Turbidity means the obstruction degree that suspended substance in liquid occurs when light is seen through, and the solution of white granulated sugar is mainly to be caused by the colloidal material containing in crystallization of sucrose body, and colloidal material is more, and turbidity is just higher.White granulated sugar solution can be considered the mixed liquors that divide that form such as aldehydes matter, ferric ion, colloidal material and insoluble matter more, and the absorption spectrum of turbidity is the different straight line of slope.According to commerieal sugar colour absorption spectrum and turbidity absorption spectrum feature, utilize double wave regular way will in blended absorbent spectrum, colour absorption value and turbidity absorption light value be extracted.The computing method of colour and turbidity are as follows:
Colour=
, turbidity=
, be wherein adjustment factor
,
wavelength coverage be 280nm～1900nm,
.
Utilize the absorbance of ultraviolet, visible ray and infrared light, in conjunction with dual wavelength method, can develop and show and preserve commerieal sugar colour, turbidity fast detecting software.Utilizing absorbance is one of innovation of the present invention with can detect colour, turbidity in commerieal sugar solution simultaneously.
Consult Fig. 1, as the first technical scheme that realizes basic conception of the present invention, it is comprised of ultraviolet, visible and infrared light supply 1, optical fiber 2, immersion transmission probe 3, spectroanalysis instrument 4, data line 5, molten device 7, fast detecting software 8 and computing machine 6.Described computing machine 6 is loaded onto fast detecting software 8 and is connected with spectroanalysis instrument 4 by data line 5, and spectroanalysis instrument 4 is connected with immersion transmission probe 3 by optical fiber 2.Described ultraviolet, as seen pop one's head in and 3 be connected by optical fiber 2 and immersion transmission with infrared light supply 1.Described ultraviolet, visible and its wavelength coverage of infrared light supply (1) are 280～2500nm.Described immersion transmission probe 3 is inserted in the container 7 that has sample solution.Computing machine 6 can show finished product fried sugar value, turbidity by reading spectroanalysis instrument 4 output signals.
Consult Fig. 2, as the second technical scheme that realizes basic conception of the present invention, it is comprised of ultraviolet, visible and infrared light supply 1, optical fiber 2, collimating mirror 11, spectroanalysis instrument 4, data line 5, cuvette 10, fast detecting software 8, sample bath 9 and computing machine 6.Described cuvette 10 is put into sample bath 9.Described computing machine 6 is loaded onto fast detecting software 8 and is connected with spectroanalysis instrument 4 by data line 5, and spectroanalysis instrument 4 is connected with the one end that is arranged on the collimating mirror 11 on sample bath 9 by optical fiber 2.Described ultraviolet, be connected with the other end that is arranged on the collimating mirror 11 on sample bath 9 by optical fiber 2 with infrared light supply 1 as seen.Described ultraviolet, visible and its wavelength coverage of infrared light supply (1) are 280～2500nm.Computing machine 6 can show finished product fried sugar value, turbidity by reading spectroanalysis instrument 4 output signals.
Consult Fig. 3, as the third technical scheme that realizes basic conception of the present invention, it is comprised of ultraviolet, visible and infrared light supply 1, optical fiber 2, collimating mirror 11, spectroanalysis instrument 4, data line 5, fast detecting software 8, sample flow pond 12 and computing machine 6.Described computing machine 6 is loaded onto fast detecting software 8 and is connected with spectroanalysis instrument 4 by data line 5, and spectroanalysis instrument 4 is connected with the one end that is arranged on the collimating mirror 11 on sample flow pond 12 by optical fiber 2.Described ultraviolet, be connected with the other end that is arranged on the collimating mirror 11 on sample flow pond 12 by optical fiber 2 with infrared light supply 1 as seen.Described ultraviolet, visible and its wavelength coverage of infrared light supply (1) are 280～2500nm.Computing machine 6 can show finished product fried sugar value, turbidity numerical value by reading spectroanalysis instrument 4 output signals.
Consult Fig. 4, commerieal sugar colour, turbidity fast detecting step are as follows: before the first step detects, open ultraviolet, visible and infrared light supply 1, make light stability; Second step utilizes half-light spectrum, the reference solution spectrum numerical value reading on computing machine 6 preservation spectroanalysis instruments 4; The 3rd step is mixed with the ratio of distilled water 10:90～90:10 in commerieal sugar sample and sample solution is made in dissolving, and be placed in container 7 or cuvette 10 or sample flow pond 12; The 4th step is inserted immersion transmission probe 3 in the container 7 of sample solution, or the ultraviolet after collimating mirror 11 collimation, visible and infrared light become directional light transmission and cross cuvette 10 or sample flow pond 12, the directional light that sees through cuvette 10 or sample flow pond 12 imports optical fiber 2 after collimating mirror 11 focuses on; The 5th step is measured the absorption spectrum of the different wave length of sample solution with spectroanalysis instrument 4; The method that the 6th step adopts first order derivative or second derivative or small echo to process to the absorption spectrum of the different wave length of sample solution is carried out filtering; The 7th utilizes the fast detecting software 8 based on the exploitation of double wave regular way, at computing machine 6, calculates, and fast detecting software 8 shows finished product fried sugar value, turbidity.
A kind of deuterium tungsten lamp that the light source 1 that order is selected can select loose (Hamamatsu) company in Japanese shore to produce, it is single core multimode optical fiber of 300 μ m that optical fiber 2 can be selected diameter.It is C355-A6 computing machine that computing machine 6 is selected Legend Company's model.Collimating mirror 11 is selected the collimating mirror of marine optics company.Spectroanalysis instrument 4 can be selected USB650 series.At spectroanalysis instrument 4, carry on the basis of software, combined mathematical module, can develop the fast detecting software 8 that shows and preserve the user interface of white granulated sugar colour, turbidity and water-insoluble three measured values.Install to specifications detection system, then according to operation steps explanation, can realize in process of production accurate, the fast detecting of finished product fried sugar value, turbidity.
Claims (5)
1. the colour of a commerieal sugar, turbidity pick-up unit simultaneously, it comprises optical fiber (2), data line (5), container (7) and computing machine (6), it is characterized in that: described computing machine (6) is loaded onto fast detecting software (8) and is connected with spectroanalysis instrument (4) by data line (5), spectroanalysis instrument (4) is connected with immersion transmission probe (3) by optical fiber (2), described ultraviolet, as seen with infrared light supply (1) by optical fiber (2) and immersion transmission pop one's head in (3) be connected, immersion transmission pop one's head in (3) insert in molten device (7).
2. the colour of a commerieal sugar, turbidity is pick-up unit simultaneously, it comprises optical fiber (2), data line (5), sample bath (9), cuvette (10) and computing machine (6), described cuvette (10) is put into sample bath (9), it is characterized in that: described computing machine (6) is loaded onto fast detecting software (8) and is connected with spectroanalysis instrument (4) by data line (5), spectroanalysis instrument (4) is connected with the one end that is arranged on the collimating mirror (11) on sample bath (9) by optical fiber (2), described ultraviolet, be connected with the other end that is arranged on the collimating mirror (11) on sample bath (9) by optical fiber (2) with infrared light supply (1) as seen.
3. the colour of a commerieal sugar, turbidity detection device, it comprises optical fiber (2), data line (5), sample flow cell (12) and computing machine (6), it is characterized in that: described computing machine (6) is loaded onto fast detecting software (8) and is connected with spectroanalysis instrument (4) by data line (5), spectroanalysis instrument (4) is connected with one end that the collimating mirror (11) on sample flow cell (12) is installed by optical fiber (2), described ultraviolet, be connected with the other end that is arranged on the collimating mirror (11) on sample flow cell (12) by optical fiber (2) with infrared light supply (1) as seen.
4. according to the colour of a kind of commerieal sugar described in claim 1 or 2 or 3, turbidity pick-up unit simultaneously, it is characterized in that: described ultraviolet, visible and its wavelength coverage of infrared light supply (1) are 280～2500nm.
5. a right to use requires colour, turbidity and the while pick-up unit of a kind of commerieal sugar described in 1 or 2 or 3 to carry out method for quick, comprise following several step: it is characterized in that: before the first step detects, open ultraviolet, visible and infrared light supply (1), make light stability; The half-light that second step utilizes computing machine (6) to preserve and reads on spectroanalysis instrument (4) is composed, reference solution spectrum numerical value; The 3rd step is mixed with the ratio of distilled water 10:90～90:10 in white granulated sugar sample and sample solution is made in dissolving, and be placed in container (7) or cuvette (10) or sample flow pond (12); The 4th step is inserted immersion transmission probe (3) in the container (7) of sample solution, or through the ultraviolet after collimating mirror (11) collimation, visible and infrared light supply (1), become directional light transmission and cross cuvette (10) or sample flow pond (12), see through directional light importing optical fiber (2) after collimating mirror (11) focuses on of cuvette (10) or sample flow pond (12); The 5th spectroanalysis instrument for step (4) is measured the absorption spectrum of the different wave length of sample solution; The method that the 6th step adopts first order derivative or second derivative or small echo to process to the absorption spectrum of the different wave length of sample solution is carried out filtering; The 7th utilizes the fast detecting software (8) based on the exploitation of double wave regular way, at computing machine (6), calculates, and fast detecting software (8) shows finished product fried sugar value, turbidity numerical value.
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Cited By (7)
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| CN104458621A (en) * | 2014-12-18 | 2015-03-25 | 广州甘蔗糖业研究所 | Method for rapidly determining turbidity of sugar liquor |
| CN105738298A (en) * | 2016-01-28 | 2016-07-06 | 杭州环籁科技有限公司 | Water solution turbidity measurement method and device based on color coordinate value |
| CN106338490A (en) * | 2016-11-16 | 2017-01-18 | 周学成 | Infrared light detection water concentration sensor |
| CN109238993A (en) * | 2018-11-28 | 2019-01-18 | 南昌航空大学 | The detection method that Determination of Chlorophyll In Seawater content influences underwater optical transmission characteristics |
| CN110672523A (en) * | 2019-11-14 | 2020-01-10 | 厦门华联电子股份有限公司 | Turbidity sensor |
| CN114910449A (en) * | 2021-02-08 | 2022-08-16 | 中国科学院沈阳自动化研究所 | On-line detection system of light transmission liquid concentration |
| CN115753659A (en) * | 2022-09-09 | 2023-03-07 | 中国烟草总公司郑州烟草研究院 | Suction type tobacco product nicotine mouth-by-mouth monitor and detection method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458621A (en) * | 2014-12-18 | 2015-03-25 | 广州甘蔗糖业研究所 | Method for rapidly determining turbidity of sugar liquor |
| CN105738298A (en) * | 2016-01-28 | 2016-07-06 | 杭州环籁科技有限公司 | Water solution turbidity measurement method and device based on color coordinate value |
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| CN109238993A (en) * | 2018-11-28 | 2019-01-18 | 南昌航空大学 | The detection method that Determination of Chlorophyll In Seawater content influences underwater optical transmission characteristics |
| CN110672523A (en) * | 2019-11-14 | 2020-01-10 | 厦门华联电子股份有限公司 | Turbidity sensor |
| CN114910449A (en) * | 2021-02-08 | 2022-08-16 | 中国科学院沈阳自动化研究所 | On-line detection system of light transmission liquid concentration |
| CN115753659A (en) * | 2022-09-09 | 2023-03-07 | 中国烟草总公司郑州烟草研究院 | Suction type tobacco product nicotine mouth-by-mouth monitor and detection method |
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