CN102928351A - Automatic measurement device and method for brix and purity of sugar liquor - Google Patents
Automatic measurement device and method for brix and purity of sugar liquor Download PDFInfo
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- CN102928351A CN102928351A CN2012104328711A CN201210432871A CN102928351A CN 102928351 A CN102928351 A CN 102928351A CN 2012104328711 A CN2012104328711 A CN 2012104328711A CN 201210432871 A CN201210432871 A CN 201210432871A CN 102928351 A CN102928351 A CN 102928351A
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- 238000005259 measurement Methods 0.000 title claims abstract description 32
- 235000000346 sugar Nutrition 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012895 dilution Substances 0.000 claims abstract description 29
- 238000010790 dilution Methods 0.000 claims abstract description 29
- 239000012898 sample dilution Substances 0.000 claims abstract description 26
- 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 claims description 72
- 238000007689 inspection Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 42
- 235000009508 confectionery Nutrition 0.000 claims description 39
- 230000003287 optical effect Effects 0.000 claims description 35
- 239000011521 glass Substances 0.000 claims description 16
- 241000219739 Lens Species 0.000 claims description 15
- 210000000695 crystalline len Anatomy 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000013178 mathematical model Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000691 measurement method Methods 0.000 abstract 1
- 102100026205 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Human genes 0.000 description 29
- 101000691599 Homo sapiens 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Proteins 0.000 description 29
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 1
- 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 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 150000002304 glucoses Chemical class 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229960004793 sucrose Drugs 0.000 description 1
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Abstract
The invention provides an automatic measurement device and method for brix and purity of sugar liquor. The measurement device comprises a touch screen, a programmable logic controller (PLC), a sample dilution device and a detection device, wherein the sample dilution device and the detection device are controlled by the PLC, detected data are transmitted to the PLC to perform processing, and final results are displayed on the touch screen. The measurement method comprises the steps of program composition, sugar liquor dilution, measurement of the brix and the temperature of the diluted sugar liquor, measurement of specific rotation of the diluted sugar liquor and the like. By means of the automatic measurement device and method for the brix and the purity of sugar liquor, the brix and the purity of the sugar liquor can be quickly detected, operators can know about situations of indicators including the brix and the purity of the sugar liquor quickly, accurately and comprehensively to adjust corresponding operation timely, and accordingly, quality of the sugar liquor is improved. Besides, the PLC is used in the measurement device, so that automatic detection is achieved. Therefore, compared with the traditional manual detection method, detection time is greatly shortened, and working efficiency and measurement accuracy are improved.
Description
Technical field
The present invention relates to candy liquid vertical degree and purity self-operated measuring unit and measuring method thereof in measurement mechanism and measuring method thereof, the especially sugar industry that a kind of commercial production uses.
Background technology
In sugar industry was produced, the hammer degree of liquid glucose and the measurement of purity were the check to each operation result of sugar manufacturing process, were again the Main Basiss of production control operation.Wherein, the hammer kilsyth basalt shows the concentration that liquid glucose is sugary, and purity is the cane sugar content in the expression liquid glucose; Candy liquid vertical degree and purity with and the purity determination of manufactured goods very important meaning is arranged in sugar industry.Present candy liquid vertical degree, purity with and the purity determination of manufactured goods also stay in the manual inspection means, also there are not a kind of Quick Measurement or in-situ measurement equipment, the manual measurement flow process is: after the checker gets back to the laboratory from each check point sampling, weigh at first on request high concentration liquid glucose and sugar prod in the balance the liquid glucose of getting constant weight or the distilled water of sugar prod and corresponding weight, calculate syrup ratio or multiple, then syrup mixing and stirring, form the low concentration liquid glucose, pour graduated cylinder or other container into, measure hammer degree and temperature with glass concentration meter or refractometer, then get less low concentration liquid glucose, measure optical activity with polarimeter, at last by manually calculating former candy liquid vertical degree and Reinheitszahl, again measured value is placed on record and give relevant operating personnel.Have suffered operating process very consuming time loaded down with trivial details, the production run real-time is not had much directive functions.Along with the development of sugar industry, very in the urgent need to can online or quick liquid glucose and the measurement mechanism of sugar prod many index, can understand at short notice the many index of sugar now, so that timely adjusting operation.
Summary of the invention
The invention provides a kind of candy liquid vertical degree and purity self-operated measuring unit and measuring method thereof, it is hammer degree and the purity of fast detecting liquid glucose automatically, and the purity of sugar prod.
A kind of candy liquid vertical degree and purity self-operated measuring unit comprise touch-screen and PLC, it is characterized in that:
Also comprise Sample Dilution device, hammer degree detecting device and optical activity detecting device, wherein, the liquid glucose of Sample Dilution device dilution is introduced in the inspection instrument of hammer degree detecting device by drainage line; The polarizer of optical activity detecting device and analyzer are separately positioned on the outside of the corresponding both sides of hammer degree detecting device inspection instrument glass lens;
Sample Dilution device, hammer degree detecting device and optical activity detecting device are controlled by PLC, and will detect data and flow to PLC and process, and related data is touching screen display.
Wherein, PLC is the abbreviation of Programmable logic Controller, and the Chinese meaning is Programmable Logic Controller.
Described Sample Dilution device comprises motor, cut-back tank, the dilution weight sensor of loading hopper, stirrer and drive motor thereof, blow-off valve, by-pass valve control lifting; Wherein, the loading hopper lower end communicates with cut-back tank; Stirrer is arranged in the cut-back tank; Be communicated with drainage conduit below the cut-back tank; The dilution weight sensor be fixed on cut-back tank below.
Described hammer degree detecting device comprises hammer degree weight sensor, gland, connecting link, hammer degree inspection instrument, run-down pipe, buoyancy aid, temperature sensor and vent pipe; Wherein, buoyancy aid is located in the hammer degree inspection instrument, and the connecting link lower end is connected with buoyancy aid, upper end and the gland socket that is fixed with hammer degree weight sensor; Hammer degree inspection instrument one side upper end is provided with run-down pipe, and the below is communicated with the vent pipe that is provided with exhaust valve, also is provided with temperature sensor on the vent pipe.
Described optical activity detecting device comprises light source, the polarizer, analyzer and photelectric receiver; Wherein analyzer is controlled by servomotor; Light source and the polarizer and analyzer and photelectric receiver are separately positioned on the outside of the corresponding both sides of hammer degree detecting device inspection instrument glass lens, are provided with servomotor below the analyzer.
A kind of method of utilizing candy liquid vertical degree and purity self-operated measuring unit to measure candy liquid vertical degree and purity is characterized in that may further comprise the steps:
(1) program, candy liquid vertical degree and the corresponding computing of purity and operating control procedure are measured in establishment in PLC;
(2) liquid glucose dilution, by the gross weight of PLC instruction weighing Sample Dilution device and store data, in cut-back tank, add the water of deciding weight with dosing container, store data after the weight of weighing water, store data after adding liquid glucose and weighing, the blending ratio of PLC control system measuring and calculating water and sugar is also stored data, stirs well mixed sugar liquid;
(3) measurement of dilution candy liquid vertical degree and temperature, the liquid glucose that the Sample Dilution device is stirred well is injected in the hammer degree inspection instrument, hammer degree weight sensor and temperature sensor by hammer degree detecting device are finished Brix Measurement and the temperature survey of diluting liquid glucose, and related data is passed to PLC;
(4) measurement of dilution liquid glucose optical activity, utilization is separately positioned on the optical activity detecting device in the glass lens outside, the corresponding both sides of hammer degree inspection instrument, finish the optical activity of dilution liquid glucose in the hammer degree inspection instrument is measured, and related data passed to PLC, the data that PLC utilizes optical activity to transmit are calculated the purity of liquid glucose;
(5) result shows, by the comprehensive computing of PLC, draws former candy liquid vertical degree and purity rubric value, and shows in touch-screen.
The step (3) of described measurement candy liquid vertical degree and Purity comprises:
Liquid glucose in the Sample Dilution device is emptying by drainage line, and be introduced in the hammer degree inspection instrument, unnecessary liquid glucose is discharged from run-down pipe;
Gather gravimetric value, to PLC, PLC goes out corresponding hammer degree value with the calculated with mathematical model that establishes according to " candy liquid vertical degree and density ratio are according to table " in advance to hammer degree weight sensor with related data transmission;
To PLC, PLC carries out temperature compensation hammer degree value according to " candy liquid vertical degree temperature compensation table " automatically with related data transmission for collecting temperature value, hammer degree temperature sensor, draws the standard hammer degree value of dilution liquid glucose.
The step (4) of described measurement candy liquid vertical degree and Purity comprises:
Optical activity detecting device light source keeps "on" position always, the light that light source sends produces polarized light through the polarizer, polarized light is by the glass lens on hammer degree inspection instrument one side, the liquid glucose that sees through in the inspection instrument is injected photelectric receiver and is produced photosignal from glass lens and the analyzer of opposite side, photosignal converts electric signal to through the photo amplifier amplification, and flow to PLC, PLC sends instruction, by servomotor the axial plane of the polarizer and analyzer is modulated into mutual orthogonal, photosignal is minimum numerical value, and related data is stored among the PLC;
By PLC instruction unpack discharge valve, liquid glucose in the emptying inspection instrument, polarization light sees through emptying inspection instrument, and the axial plane of the polarizer and analyzer is orthogonal no longer mutually, have part light to enter photelectric receiver, photelectric receiver with the optical signal transmission that measures to PLC; PLC rotates by servomotor and adjusts analyzer, find out minimum photosignal numerical value, the angle that servomotor rotates just is the liquid glucose angle of rotation, PLC is according to predefined operation program, draw the angle that the polarizer rotates=liquid glucose optical activity, calculate again the purity of dilution liquid glucose according to the liquid glucose optical activity.
In sum, by measuring hammer degree and the purity determination result of sugar and water ratio, rare liquid glucose, PLC calculates hammer degree and Reinheitszahl or the goods Reinheitszahl of former liquid glucose, and presents at touch-screen.
Above-mentioned candy liquid vertical degree and purity self-operated measuring unit and measuring method, hammer degree that can the fast detecting liquid glucose and the purity of purity and sugar prod, the hammer degree and the purity that make operating personnel can grasp liquid glucose change fast, accurate and comprehensively, in time adjust corresponding operation, thereby promoted the quality of liquid glucose, simultaneously, PLC is introduced in the measurement mechanism, realized that robotization detects operation, than the method that Traditional Man detects, safe and reliable, easy to operate, greatly shorten the time of detecting, improved the accuracy of work efficiency and measurement.
Description of drawings
Fig. 1 is control structure schematic diagram of the present invention;
Fig. 2 is the unitized construction schematic diagram of Sample Dilution device and hammer degree detecting device.
Among the figure, PLC1, touch-screen 2, Sample Dilution device 3, detecting device 4, drainage line 5, blow-off valve 6, valve rod 7, valve driving machine 8, stirring motor 9, loading hopper 10, stirrer 11, cut-back tank 12, fixed connecting plate 13, dilution weight sensor 14; Emptying valve 15, temperature sensor 16, buoyancy aid 17, light source 18, the polarizer 19, run-down pipe 20, hammer degree weight sensor 21, gland 22, connecting link 23, analyzer 24, photelectric receiver 25, servomotor 26, inspection instrument 27, evacuated tube 28, glass lens 29.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Shown in Figure 1, it is control structure schematic diagram of the present invention, candy liquid vertical degree of the present invention and purity self-operated measuring unit are mainly by PLC1, touch-screen 2, Sample Dilution device 3 with comprise that the detecting device 4 that hammer degree detecting device optical activity detecting device consists of forms, and PLC1 is electrically connected with touch-screen 2, Sample Dilution device 3 and detecting device 4 by relevant line.Operating personnel send instruction by touch-screen 2 to PLC1, PLC1 gets final product the operation of automatic Quality control air mix facilities 3, detecting device 4, and the detection data message of reception Sample Dilution device 3, hammer degree and purity detector 4 feedbacks, data are processed, will be processed or result of calculation shows at touch-screen 2.
Shown in Figure 2, the upper right side is the structural representation of Sample Dilution device 3, and Sample Dilution device 3 comprises drainage line 5, blow-off valve 6, valve rod 7, valve driving machine 8, stirring motor 9, loading hopper 10, stirrer 11, cut-back tank 12, fixed connecting plate 13, dilution weight sensor 14; Wherein, loading hopper 10 lower ends communicate with cut-back tank 12; Stirrer 11 is arranged in the cut-back tank 12; Be communicated with the drainage line 5 that is provided with discharge valve 6 below the cut-back tank 12; Cut-back tank 12 is connected in the top of No. 1 weight sensor 15 by fixed connecting plate 13.
In the lower left of Fig. 2, be the structural representation of detecting device 4, detecting device 4 comprises hammer degree detecting device and optical activity detecting device.Hammer degree detecting device comprises emptying valve 15, temperature sensor 16, buoyancy aid 17, run-down pipe 20, hammer degree weight sensor 21, gland 22, connecting link 23, inspection instrument 27, evacuated tube 28; The optical activity detecting device comprises light source 18, the polarizer 19, analyzer 24, photelectric receiver 25, servomotor 26.Wherein, buoyancy aid 17 is located in the inspection instrument 27, and connecting link 23 lower ends are connected with buoyancy aid 17, and the upper end is socketed with the gland 22 of fixing hammer degree weight sensor 16; Inspection instrument 27 left sides are provided with run-down pipe 20, and the below is communicated with the vent pipe 28 that is provided with emptying valve 15, also are provided with temperature sensor 16 on the evacuated tube 28; Light source 18 and the polarizer 19 are arranged at inspection instrument 27 left sides, analyzer 24, and photelectric receiver 25 is arranged at inspection instrument 27 right sides, and servomotor 26 is installed in analyzer 24 sides.Two relative sides in inspection instrument 27 upper ends are provided with glass lens 29, with the light source 18 that is arranged on its outside and the polarizer 19, analyzer 24, photelectric receiver 25 in line, the light that light source 18 is sent can be through the polarizer 19, a side glass lens 29, inspection instrument 27 inner chambers, opposite side glass lens 29, analyzer 24, to photelectric receiver 25, realize the photometric detection to liquid glucose.
Utilize the concrete operation step of candy liquid vertical degree and purity self-operated measuring unit detection candy liquid vertical degree and purity as follows:
(1) program, candy liquid vertical degree and the corresponding computing of purity and operating control procedure are measured in establishment in PLC;
(2) liquid glucose dilution, finish liquid glucose dilution program by PLC1 instruction Sample Dilution device 3:
At first PLC closes discharge valve 6 by valve driving machine 8, weighing gross weight then, and No. 1 weight sensor 14 gathers the gross weight values and signal is transferred to PLC1, and PLC1 receives also and stores; Be filled with water with dosing container and pour into the cut-back tank 12 from funnel 10, dilution weight sensor 14 is transferred to PLC1, the weight after the water inlet of PLC1 record with gravimetric value; Then pour a certain amount of liquid glucose into from funnel 10, liquid glucose flow in the cut-back tank 12, dilution weight sensor 14 gathers gravimetric value and is transferred to PLC1, the blending ratio of automatic computing water and sugar after PLC1 stores, the most backward stirring motor 9 sends instruction, and stirring motor 9 drives stirrer 11 liquid glucose and water are mixed;
(3) measurement of dilution candy liquid vertical degree and temperature, PLC1 command detection device 4 is finished hammer degree and the purity determination of the rear liquid glucose of dilution:
As shown in Figure 2, it is the unitized construction schematic diagram of Sample Dilution device 3 and detecting device 4, when the hammer that begins to measure liquid glucose is spent, emptying valve 15 is closed, open discharge valve 6, the dilution liquid glucose flows into the inspection instrument 27 by drainage line 5 from cut-back tank 12 fully, and unnecessary dilution liquid glucose flows out from run-down pipe 20; Hammer degree weight sensor 21 is transferred to PLC1 with gravimetric value, and PLC1 goes out corresponding hammer degree value with the calculated with mathematical model that establishes according to " candy liquid vertical degree and density ratio are according to table " in advance; The temperature value that temperature sensor 16 will dilute liquid glucose is transferred to PLC1, and PLC1 carries out temperature compensation hammer degree value according to " candy liquid vertical degree and temperature compensation relation table " automatically, draws the standard hammer degree value of dilution liquid glucose;
(4) measurement of dilution liquid glucose optical activity, light source 18 is always luminous after the energising of optical activity detecting device, and light produces polarized lights through the polarizer 19, passes through liquid glucose in the inspection instrument from inspection instrument 27 both sides glass lenss 29; Because sugar has the optically-active characteristic, the optical axis that passes through is produced deflection, the optical axis with detecting device during without liquid glucose forms certain angle; Polarized light is injected photelectric receiver 25 from analyzer 24 and is produced photosignal, convert electric signal to through the photo amplifier amplification, flow to PLC1, PLC1 sends instruction, driving analyzer 24 by servomotor 26 rotates, the axial plane of the polarizer 19 and analyzer 24 is modulated into mutual orthogonal, and photosignal is minimum numerical value and is stored among the PLC1; The emptying valve 15 of PLC1 instruction is opened, inspection instrument 27 interior liquid glucoses are emptying, therefore the inspection instrument 27 the time is interior without liquid glucose, optical axis restores to the original state, and axial plane no longer becomes mutual orthogonal, has partial polarization light transmission analyzer 24 to inject photelectric receiver 25, photelectric receiver 25 sends photosignal to PLC1, PLC1 rotates by servomotor 26 and adjusts, and finds out minimum photosignal numeral, and the angle that servomotor 26 rotates just is the liquid glucose angle of rotation.Because the pulse signal control that servomotor 26 is sent by PLC1, the pulse signal that servomotor 26 feedbacks receive is to PLC1, PLC1 is by the pulse output number of feedback, computing draws the angle that analyzer 24 rotates=liquid glucose optical activity, recycles this liquid glucose optical activity value and calculates the purity of diluting liquid glucose by predefined operation program;
(5) result shows, finally carries out comprehensive computing by PLC1, draws hammer degree and the purity rubric value of former liquid glucose, and is presented in the touch-screen 2.
The purity of sugar prod also available apparatus and method of the present invention is measured, PLC1 is according to predefined program start device of the present invention during measurement, substitute liquid glucose with sugared manufactured goods and from loading hopper, add the step of finishing Sample Dilution, and then the hammer degree of operating measurement dilute sample and purity step, at last by the final program synthesis computing of PLC1, draw the purity rubric value of sugared manufactured goods, and be presented in the touch-screen 2.
Device of the present invention also can enter the cut-back tank valving through the automatic control of adjusting control program, increase liquid glucose and water, is used for hammer degree and the purity of on-line measurement liquid glucose.
Claims (7)
1. a candy liquid vertical degree and purity self-operated measuring unit comprise touch-screen and PLC, it is characterized in that:
Also comprise Sample Dilution device (3), contain the detecting device (4) of hammer degree detecting device and optical activity detecting device, wherein, the liquid glucose of Sample Dilution device (3) dilution is introduced in the inspection instrument (27) of hammer degree detecting device by drainage conduit (5); The polarizer of optical activity detecting device (19) and analyzer (24) are separately positioned on the outside of inspection instrument (27) corresponding both sides glass lenss (29);
Sample Dilution device (3), hammer degree detecting device and optical activity detecting device are by PLC(1) control, and will detect data and flow to PLC(1) processing, related data shows at touch-screen (2).
2. candy liquid vertical degree according to claim 1 and purity self-operated measuring unit is characterized in that:
Described Sample Dilution device (3) comprises motor (8), cut-back tank (12), the dilution weight sensor (14) of loading hopper (10), stirrer (11) and drive motor (9) thereof, blow-off valve (6), by-pass valve control lifting; Wherein, loading hopper (10) lower end communicates with cut-back tank (12); Stirrer (11) is arranged in the cut-back tank (12); Be communicated with drainage conduit (5) below the cut-back tank (12); The dilution weight sensor (14) be fixed on cut-back tank (12) below.
3. candy liquid vertical degree according to claim 1 and purity self-operated measuring unit is characterized in that:
Described hammer degree detecting device comprises hammer degree weight sensor (21), gland (22), connecting link (23), inspection instrument (27), run-down pipe (20), buoyancy aid (17), temperature sensor (16) and evacuated tube (28); Wherein, buoyancy aid (17) is located in the inspection instrument (27), and connecting link (23) lower end is connected with buoyancy aid (17), upper end and gland (22) socket that is fixed with hammer degree weight sensor (21); Inspection instrument (27) one sides upper end is provided with run-down pipe (20), and the below is communicated with the evacuated tube (28) that is provided with emptying valve (15), also is provided with temperature sensor (16) on the evacuated tube (28).
4. candy liquid vertical degree according to claim 1 and purity self-operated measuring unit is characterized in that:
Described optical activity detecting device comprises light source (18), the polarizer (19), analyzer (24) and photelectric receiver (25); Wherein analyzer (24) is subjected to servomotor (26) control; Light source (18) and the polarizer (19) and analyzer (24) and photelectric receiver (25) are separately positioned on the outside of inspection instrument (27) corresponding both sides glass lenss (29).
5. method of utilizing candy liquid vertical degree and purity self-operated measuring unit to measure candy liquid vertical degree and purity is characterized in that may further comprise the steps:
(1) program, at PLC(1) in establishment measure candy liquid vertical degree and the corresponding computing of purity and operating control procedure;
(2) liquid glucose dilution, by PLC(1) gross weight of instruction weighing Sample Dilution device (3) and store data, add in cut-back tank (12) with dosing container and to decide the water of weight, store data after the weight of weighing water, store data after adding liquid glucose and weighing, PLC(1) control system is calculated the blending ratio of water and sugar and is stored data, stirs well mixed sugar liquid;
(3) measurement of dilution candy liquid vertical degree and temperature, the liquid glucose that Sample Dilution device (3) is stirred well is injected in the inspection instrument (27), hammer degree weight sensor (21) and temperature sensor (16) by hammer degree detecting device are finished Brix Measurement and the temperature survey of diluting liquid glucose, and related data is passed to PLC;
(4) measurement of dilution liquid glucose optical activity, utilization is separately positioned on the optical activity detecting device in hammer degree inspection instrument (27) corresponding both sides glass lenss (29) outside, finish the optical activity of dilution liquid glucose in the hammer degree inspection instrument (27) is measured, and related data passed to PLC(1), the data of PLC(1) utilizing optical activity to transmit are calculated the purity of liquid glucose;
(5) result shows, passes through PLC(1) comprehensive computing, draw former candy liquid vertical degree and purity rubric value, and demonstration in touch-screen (2).
6. the method for measurement candy liquid vertical degree according to claim 5 and purity is characterized in that:
The step (3) of described measurement candy liquid vertical degree and Purity comprises:
Liquid glucose in the Sample Dilution device (3) is passed through drainage conduit (5) evacuating pipeline, and be introduced in the hammer degree inspection instrument (27), unnecessary liquid glucose is discharged from run-down pipe (20);
Gather gravimetric value, hammer degree weight sensor (21) with related data transmission to PLC(1), PLC(1) go out corresponding hammer degree value with the calculated with mathematical model that establishes according to " candy liquid vertical degree and density ratio are according to showing " in advance;
Collecting temperature value, hammer degree temperature sensor (16) with related data transmission to PLC(1), PLC(1) automatically carry out temperature compensation hammer degree value according to " candy liquid vertical degree temperature compensation table ", draw the standard hammer degree value of diluting liquid glucose.
7. the method for measurement candy liquid vertical degree according to claim 5 and purity is characterized in that:
The step (4) of described measurement candy liquid vertical degree and Purity comprises:
Optical activity detecting device light source (18) keeps "on" position always, (18 light that send produce polarized light through the polarizer (19) to light source, polarized light is by the glass lens (29) on hammer degree inspection instrument (27) one sides, the liquid glucose that sees through in the inspection instrument (27) is injected photelectric receiver (25) and is produced photosignal from glass lens (29) and the analyzer (24) of opposite side, photosignal converts electric signal to through the photo amplifier amplification, and flow to PLC (1), PLC (1) sends instruction, by servomotor (26) axial plane of the polarizer (19) and analyzer (24) is modulated into mutual orthogonal, photosignal is minimum numerical value, and related data is stored among the PLC (1);
By the emptying valve of PLC (1) instruction unpack (15), liquid glucose in the emptying inspection instrument (27), polarization light sees through emptying inspection instrument (27), the axial plane of the polarizer (19) and analyzer (24) is orthogonal no longer mutually, have part light to enter photelectric receiver (25), photelectric receiver (25) with the optical signal transmission that measures to PLC (1); PLC (1) rotates by servomotor (26) and adjusts analyzer (24), find out minimum photosignal numerical value, the angle that servomotor (26) rotates just is the liquid glucose angle of rotation, PLC (1) is according to predefined operation program, draw the angle that the polarizer (24) rotates=liquid glucose optical activity, calculate again the purity of dilution liquid glucose according to the liquid glucose optical activity.
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| CN104679077A (en) * | 2015-03-23 | 2015-06-03 | 钦州华成自控设备有限公司 | Online automatic sugar liquor brix measurement and control system |
| CN104458839B (en) * | 2014-09-26 | 2016-11-30 | 浙江工商大学 | A kind of aspartame solution concentration detector and method |
| CN107376759A (en) * | 2017-07-25 | 2017-11-24 | 广西农垦糖业集团红河制糖有限公司 | A kind of diluter heated using waste hot steam |
| CN108363421A (en) * | 2018-01-31 | 2018-08-03 | 山东香驰健源生物科技有限公司 | The device and adjusting method of fructose concentration are adjusted using refractive power optically-active linkage principle |
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| CN107376759A (en) * | 2017-07-25 | 2017-11-24 | 广西农垦糖业集团红河制糖有限公司 | A kind of diluter heated using waste hot steam |
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