CN2634481Y - On-line automatic detector for reduced sugar - Google Patents
On-line automatic detector for reduced sugar Download PDFInfo
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- CN2634481Y CN2634481Y CN 03217001 CN03217001U CN2634481Y CN 2634481 Y CN2634481 Y CN 2634481Y CN 03217001 CN03217001 CN 03217001 CN 03217001 U CN03217001 U CN 03217001U CN 2634481 Y CN2634481 Y CN 2634481Y
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- peristaltic pump
- reaction tank
- reducing sugar
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- solenoid valve
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Abstract
The utility model discloses an amylose hydrolyzing production line. The production line is a reducing sugar online automatic detecting device that can continuously detect the reducing sugar quantity in the starch hydrolyzing process. The production line belongs to the biochemical detecting instrument technology field. The production line is formed by the connection of three parts, which includes a sample processing unit, a sample liquid determination unit and a computer, and a control interface. According to the fundamental principles of Fehling reagent method for measuring reducing sugar, the reducing sugar analytical detecting unit is connected to the computer and the automatically sampling, filtrating, diluting and introducing mechanism connecting to the bioreactor adopts the computer program control to detect the reducing sugar change rapidly and accurately online, and has the result printed. The utility model has advantages of stable performance, reliable result, simple operation, low equipment cost, low testing and maintenance cost and high practicability etc. The production line provides a new online detecting technology for starch sugar production, and has bright application prospects in industries like food, ferment and medicine, etc.
Description
Technical field
The utility model discloses a kind of connection starch hydrolysis production line, can continuous detecting go out the reducing sugar on-line automatic detection device of reducing sugar growing amount in the hydrolysis process process of starch.Belong to the biochemistry detection instrument
Technical field.
Background technology
The hydrolysis processing of starch is the important step that starch utilizes, and liquefaction and saccharification are the most basic technology during starch sugar is produced, in production field widespread uses such as food, fermentation, medicine.Amylolytic process is the conversion of polysaccharide to compound sugar, disaccharide or monose, and its typical biochemical character is exactly that reductibility increases gradually, measures the important indicator that the variation of reducing sugar in hydrolytic process is hydrolytic process control.For many years, China's starch process technology is greatly improved, controlling index such as pH, temperature, pressure, flow at line technology widespread use, but the variation of most important technological parameter (product) reducing sugar is still and adopts off-line analysis (hand sampling, chemical examination) in the hydrolytic process, can not the Continuous Tracking dynamic change, in time reflect Biochemical Process, and artificial error at measurment is bigger, brings a lot of troubles for production management and process control, has also influenced the widespread use of automatic control technology.The online detection of reducing sugar has become the gordian technique of China's starch sugar production run control.
Along with biotechnology with development of computer with combine, the control of biochemical process and optimization are from management develops to the direction with computer management by experience.Use online TT﹠C system, processes such as sampling, detection, signal Processing, FEEDBACK CONTROL can rapidly, accurately be finished continuously, help improving enterprise management, and improve the output and the quality of product.
Summary of the invention
The utility model solves the deficiency of prior art, and a kind of connection starch hydrolysis production line is provided, and can continuous detecting goes out the reducing sugar on-line automatic detection device of reducing sugar growing amount in the hydrolysis process process of starch.
Technical characterictic of the present utility model is to measure the reducing sugar ultimate principle according to Pei Lin reagent, design the reducing sugar analysis detecting unit that is connected with computing machine and the automatic sampling, the filtration that are connected with bio-reactor (hydrolytic decomposition pot), automatically dilute and sample introduction mechanism, adopt the variation of the online quickly and accurately detection reducing sugar of computer program control, and print the result.
The reducing sugar test unit comprises a column type drop reaction pond; There are incident light source and photoelectric commutator in the titration cell left and right sides, and a screen cloth type optical channel is arranged between incident light source and photoelectric commutator, and what can guarantee liquid flows the interference that can avoid heating heterochromatic lights such as bubble again; Light source and photosensitive device are installed on the titration cell both sides, detect the voltage that photosensitive device produces with automatic control system.Along with change in color in the titration process, detect the also corresponding change of voltage, in titration process, solution colour gradually changes: blue look → avy blue → sky-blue → aubergine → lilac red is changed to water white transparency suddenly when titration end-point.The sudden change of color is consistent with the sudden change of voltage, determines titration end-point thus.According to titer (S) consumption, calculate the content of titrated sample.There is the liquid inlet and outlet piping both sides before and after the titration cell, and a plurality of peristaltic pumps can add reagent, titer, vs automatically, finish and clean and emptying.
Reagent comprises (1) Fehling first liquid: copper sulphate 35g, the blue solution 5mL of 1% methine is settled to 1000mL after molten altogether.(2) Pei Lin reagent: NaOH 126.4g, tartrate first sodium 17g, ferrous hydrofining 9.4g is settled to 1000mL after altogether molten.(3) 100g/L standard glucose solution.
Connect and comprise sample circulation, filtration, sampling, dilution, sample introduction part.Reducing sugar test and saccharifying tank coupling arrangement are moved according to setting program by computer control.Automatic control unit comprises power circuit, control panel, display panel, printer and interface driving circuit etc., carries out sample circulation, sampling, after quantitatively diluting sample delivery is arrived the biochemical reaction controller by setting-up time; Titration end-point is determined in turnover, fluid temperature, the stirring of control titration cell liquid automatically, and chemical reaction information is changed into electric signal, through amplifying, converting numerical information to, calculates and show the variable quantity of hydrolytic process reducing sugar automatically.
In sum, a kind of reducing sugar on-line automatic detection device is characterized in that being connected and composed by sample liquid processing unit, sample liquid determination unit, computing machine and control interface three parts:
Sample liquid processing unit comprises master control solenoid valve, the master control solenoid valve UNICOM sampling peristaltic pump that divides solenoid valve to link with each hydrolytic decomposition pot, sampling peristaltic pump, distillation water pot connect the dilution peristaltic pump, and the outlet of dilution peristaltic pump is through the reaction tank UNICOM of pipeline and sample liquid determination unit;
Sample liquid determination unit comprises transparent reaction tank, rabbling mechanism is arranged at the reaction tank bottom, well heater and temperature sensor are installed in the reaction tank, the both sides of reaction tank are equipped with light source and photoelectric cell respectively, reaction tank and the output channel UNICOM of diluting peristaltic pump, titration peristaltic pump, reagent peristaltic pump, reaction tank one side has pipeline to communicate with cleaning peristaltic pump, has pipeline to communicate with the emptying peristaltic pump at the bottom of the reaction tank;
Computing machine and control interface comprise that microprocessor, keyboard, display, printer constitute, temperature sensor, photoelectric cell constitute input circuit through A/D converter and microprocessor, the motor of the control end of microprocessor and well heater, rabbling mechanism connects and composes control loop, the control end of microprocessor links to each other with driver through photoisolator, constitutes control loop with sampling peristaltic pump, dilution peristaltic pump, titration peristaltic pump, reagent peristaltic pump, cleaning peristaltic pump, emptying peristaltic pump, a branch jar solenoid valve, master control solenoid valve respectively.
During the utility model work, energized (220), " power supply " lamp is bright, (purpose is to make detection system enter steady state (SS) to enter holding state, can carry out simultaneously the setting and the mensuration mode of function selects, when not setting, will enter pattern or the fixed value that set during last a kind of mensuration last time after the start).
Program setting:
F0---(X1):--→ sampling peristaltic pump, reagent peristaltic pump, titration peristaltic pump, emptying peristaltic pump, rotate (with full of liquid after the bubble emptying in the pipeline);
F1---(X2):--→ emptying peristaltic pump (X2) second
F2---(X3):--→ clean peristaltic pump+emptying peristaltic pump (X3) second,
F3---(X4):--→ peristaltic pump (X4) second cleaned
F4---(X5):--→ titration peristaltic pump starts, and rotation time is (X5) second; After each titration peristaltic pump titration is finished, start sampling peristaltic pump (X7) second;
F5---(X6):--→ every interval (X6) second startup is once;
F6---(X7):--→ reagent peristaltic pump (X8) second;
F7---(X8) :-→ measure for the first time finish after, every interval (X9) second measures once;
F8---(X9) :-→ starting from on-line system, (X10) is inferior for every mensuration, and auto-scaling is once
F9---(X10) :-→ the titer value
The FA---sampled voltage
The FB---time set
The FC---measurement result shows
Start: by " ON/OFF " key, " ON/OFF " pilot lamp (2) is bright.Automatic simultaneously startup preparation routine (purpose is to make liquid system enter normal operating conditions, the while auto-scaling, sample sampling and dilution are finished).
Start: sampling peristaltic pump, reagent peristaltic pump, titration peristaltic pump, emptying peristaltic pump rotation time are (X1) second; → emptying peristaltic pump (X2) second, → clean peristaltic pump+emptying peristaltic pump (X3) second, → clean peristaltic pump (X4) second → emptying peristaltic pump (X2) second;
Calibration, sample sampling and dilution: the sampling peristaltic pump starts, and rotation time be (X5) second, and every interval (X6) second starts once, be (X5) second at every turn; After each sampling peristaltic pump is finished, start dilution peristaltic pump (X7) second-→ reagent peristaltic pump (X8) second → after stopping operating, stirring motor begins to rotate, photoelectric detection system is opened (it is bright to detect pilot lamp), screen display zero.Automatic temp controller starts simultaneously, the heating beginning, and behind the arrival predetermined temperature, heating stops; → titration peristaltic pump begins to rotate, pick-up unit is monitored photoelectric cell always and is pressed the speed that changes, calculate by the sampling formula, changing value in the unit interval reaches maximum (rate of change that promptly detects voltage reaches maximum, and reactant liquor is become colorless by blueness or deepens look by light color at this moment), presses sample mode and judges terminal point, photoelectric detection system is closed (relevant pilot lamp goes out), automatic temp controller is closed, and the titration peristaltic pump stops operating, and shows measurement result on the screen.Stirring motor stops operating.It is inferior that this program repeats (2) more automatically, and the result of last secondary is a scaled values.
After calibration is finished, ducted corresponding solenoid valve is opened and the saccharifying tank connection, sample is taken a sample, is diluted and finish automatically, and on-line system enters continuous circulation mensuration program, and the mensuration process is finished result calculating and demonstration by computing machine with calibrating after mensuration is finished.
According to producing needs, can set every interval (X9) time, measure once automatically.Energized; By " start ";
In recent years, along with biotechnology with development of computer with combine, the control of biochemical process and optimization are from management develops to the direction with computer management by experience.How to realize the online detection of starch sugar and fermenting and producing and the focus that automatic control has become domestic and international research, a lot of controlling models are used in actual production.The computer controlled simulation that these control system mainly rely on conventional physics or chemical sensor to set up, in actual production, the content of important biochemical indicator reducing sugar still relies on manual sampling and measuring.But in fact, starch sugar production and fermenting and producing are the dynamic biochemical processes of real-time, non-linear, multivariate input and output.Automatically the purpose of control is exactly the consumption of control substrate and the generation of product, to reach raising output, the purpose that reduces cost.Reducing sugar then is the most direct controlling index in this biochemical process as product (starch sugar production) or substrate (fermenting and producing).Because China does not have the reducing sugar online measuring technique of practicality at present, the detection of reducing sugar still relies on labor measurement to finish.Therefore, present various automatic control technologys only limit to the improvement of computer model and perfect, do not form complete closed-loop control system.The reducing sugar online measuring technique has become one of technology of the most critical that improves automatic control level.Compared with the prior art the utility model stable performance, reliable results, the accuracy of reducing sugar test is in 0.24%, precision 2.32%; Finding speed is fast, and online detection is no more than 7 minutes retardation time; Be not subjected to the influence of color sample and turbidity.Eliminated the error of artificial mensuration, variation that can online quickly and accurately detection reducing sugar.And simple to operate, equipment cost and test, maintenance cost are low, practical.For starch sugar production provides a kind of new online measuring technique.Have broad application prospects in industries such as food, fermentation, medicine.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.Wherein: the solid line of band arrow is the pipeline jointing construction signal; Constitute the cellular construction signal for each in the solid box; Dotted line is the connecting structure for electrical equipment signal.Accompanying drawing 2 is input/output structure synoptic diagram of computing machine and control interface.Among the figure: 1 master control solenoid valve, 2 sampling peristaltic pumps, 3 distillation water pots, 4 dilution peristaltic pumps, 5 clean peristaltic pumps, 6 light sources, 7 titration peristaltic pumps, 8 reaction tanks, 9 stirring motors, 10 emptying peristaltic pumps, 11 reagent peristaltic pumps, 12 photoelectric cells, 13 printers, 14CPU, 15 well heaters, 16 temperature sensors, 17 fens jar solenoid valves, 18 keyboards, 19 displays, 20 photoisolators.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: a kind of reducing sugar on-line automatic detection device, it is characterized in that being connected and composed by sample liquid processing unit, sample liquid determination unit, computing machine and control interface three parts: sample liquid processing unit comprises master control solenoid valve 1, the master control solenoid valve 1 UNICOM sampling peristaltic pump 2 that divides jar solenoid valve 17 to link with each hydrolytic decomposition pot, sampling peristaltic pump 2, distillation water pot 3 connect dilution peristaltic pump 4, and 4 outlets of dilution peristaltic pump are through reaction tank 8 UNICOMs of pipeline and sample liquid determination unit;
Sample liquid determination unit comprises transparent reaction tank 8, stirring motor 9 is arranged at reaction tank 8 bottoms, well heater 15 and temperature sensor 16 are installed in the reaction tank 8, the both sides of reaction tank 8 are equipped with light source 6 and photoelectric cell 12 respectively, reaction tank 8 and the output channel UNICOM of diluting peristaltic pump 4, titration peristaltic pump 7, reagent peristaltic pump 11, reaction tank 8 one sides have pipeline to communicate with cleaning peristaltic pump 5, and 8 ends of reaction tank have pipeline to communicate with emptying peristaltic pump 10;
Computing machine and control interface comprise microprocessor CPU, keyboard 18, display 19, printer 13 constitutes, temperature sensor 16, photoelectric cell 12 constitutes input circuit through A/D converter A/D and microprocessor, the control end of microprocessor and well heater 15, stirring motor 9 connects and composes control loop, the control end of microprocessor links to each other with driver through photoisolator 20, respectively with sampling peristaltic pump 2, dilution peristaltic pump 4, titration peristaltic pump 7, reagent peristaltic pump 11, clean peristaltic pump 5, emptying peristaltic pump 10, master control solenoid valve 1, divide jar solenoid valve 17 to constitute control loop.
The major function of each several part is respectively:
Divide a jar solenoid valve, master control solenoid valve under the control of microprocessor, to open or close the passage of each hydrolytic decomposition pot and master control solenoid valve.
The sampling peristaltic pump is transported to the dilution peristaltic pump with the sample liquid of corresponding hydrolytic decomposition pot under the control of microprocessor.
The dilution peristaltic pump will distill water pot and sampling peristaltic pump under the control of microprocessor sample liquid mixed diluting is transported to reaction tank.
Well heater is heated to the sample liquid in the reaction tank under the control of microprocessor.
Stirring motor fully stirs the sample liquid in the reaction tank under the control of microprocessor.
Temperature sensor transmits temperature signal to microprocessor.
The reagent peristaltic pump adds reagent in the control downhill reaction pond of microprocessor.
The titration peristaltic pump adds vs in the control downhill reaction pond of microprocessor.
Photoelectric cell detects the titration state under the control of microprocessor, transmit the titration signal to microprocessor.
Clean peristaltic pump and in the control downhill reaction pond of microprocessor, inject the cleaning current.
The emptying peristaltic pump under the control of microprocessor with the rinse water emptying in the reaction tank.
Claims (1)
1, a kind of reducing sugar on-line automatic detection device is characterized in that being connected and composed by sample liquid processing unit, sample liquid determination unit, computing machine and control interface three parts:
Sample liquid processing unit comprises a master control solenoid valve (1), master control solenoid valve (1) the UNICOM sampling peristaltic pump (2) that divides jar solenoid valve (17) to link with each hydrolytic decomposition pot, sampling peristaltic pump (2), distillation water pot (3) connect dilution peristaltic pump (4), and dilution peristaltic pump (4) outlet is through reaction tank (8) UNICOM of pipeline and sample liquid determination unit;
Sample liquid determination unit comprises transparent reaction tank (8), stirring motor (9) is arranged at reaction tank (8) bottom, well heater (15) and temperature sensor (16) are installed in the reaction tank (8), the both sides of reaction tank (8) are equipped with light source (6) and photoelectric cell (12) respectively, reaction tank (8) and the output channel UNICOM of diluting peristaltic pump (4), titration peristaltic pump (7), reagent peristaltic pump (11), reaction tank (8) one sides have pipeline to communicate with cleaning peristaltic pump (5), and reaction tank (8) end has pipeline to communicate with emptying peristaltic pump (10);
Computing machine and control interface comprise microprocessor (CPU), keyboard (18), display (19), printer (13) constitutes, temperature sensor (16), photoelectric cell (12) constitutes input circuit through A/D converter (A/D) and microprocessor, the control end of microprocessor and well heater (15), stirring motor (9) connects and composes control loop, the control end of microprocessor links to each other with driver through photoisolator (20), respectively with sampling peristaltic pump (2), dilution peristaltic pump (4), titration peristaltic pump (7), reagent peristaltic pump (11), clean peristaltic pump (5), emptying peristaltic pump (10), master control solenoid valve (1), divide a jar solenoid valve (17) to constitute control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217001 CN2634481Y (en) | 2003-05-08 | 2003-05-08 | On-line automatic detector for reduced sugar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217001 CN2634481Y (en) | 2003-05-08 | 2003-05-08 | On-line automatic detector for reduced sugar |
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| CN2634481Y true CN2634481Y (en) | 2004-08-18 |
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| CN 03217001 Expired - Fee Related CN2634481Y (en) | 2003-05-08 | 2003-05-08 | On-line automatic detector for reduced sugar |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532949B (en) * | 2009-04-23 | 2011-04-13 | 云南省轻工业科学研究所 | Method for real-time detection of micro total sugar in water body |
| CN102253167A (en) * | 2011-04-19 | 2011-11-23 | 山东省科学院生物研究所 | Hydrolysis process based water-soluble polysaccharide analysis method |
| CN102539796A (en) * | 2010-12-30 | 2012-07-04 | 北京吉天仪器有限公司 | Automatic analysis meter and method for amylose |
| CN103529021A (en) * | 2012-07-03 | 2014-01-22 | 山东省科学院生物研究所 | Quick analyzing method of total sugar |
| CN108732297A (en) * | 2018-07-23 | 2018-11-02 | 山东省科学院生物研究所 | The detection method and device of gluconic acid sodium content in a kind of zymotic fluid |
| CN108753576A (en) * | 2018-06-15 | 2018-11-06 | 山东天力能源股份有限公司 | A kind of fermentation tank on-line period dilution system and its technique |
| CN108802272A (en) * | 2017-04-27 | 2018-11-13 | 伊犁川宁生物技术有限公司 | The assay method of reduced sugar in a kind of cephalosporin zymotic fluid |
| CN114166833A (en) * | 2021-11-24 | 2022-03-11 | 云南省农业科学院质量标准与检测技术研究所 | On-site rapid detection method and device for VC content of non-red vegetables |
-
2003
- 2003-05-08 CN CN 03217001 patent/CN2634481Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532949B (en) * | 2009-04-23 | 2011-04-13 | 云南省轻工业科学研究所 | Method for real-time detection of micro total sugar in water body |
| CN102539796A (en) * | 2010-12-30 | 2012-07-04 | 北京吉天仪器有限公司 | Automatic analysis meter and method for amylose |
| CN102539796B (en) * | 2010-12-30 | 2013-10-16 | 北京吉天仪器有限公司 | Automatic analysis meter and method for amylose |
| CN102253167A (en) * | 2011-04-19 | 2011-11-23 | 山东省科学院生物研究所 | Hydrolysis process based water-soluble polysaccharide analysis method |
| CN102253167B (en) * | 2011-04-19 | 2013-11-13 | 山东省科学院生物研究所 | Hydrolysis process based water-soluble polysaccharide analysis method |
| CN103529021A (en) * | 2012-07-03 | 2014-01-22 | 山东省科学院生物研究所 | Quick analyzing method of total sugar |
| CN108802272A (en) * | 2017-04-27 | 2018-11-13 | 伊犁川宁生物技术有限公司 | The assay method of reduced sugar in a kind of cephalosporin zymotic fluid |
| CN108802272B (en) * | 2017-04-27 | 2021-03-02 | 伊犁川宁生物技术有限公司 | Method for determining reducing sugar in cephalosporin fermentation liquor |
| CN108753576A (en) * | 2018-06-15 | 2018-11-06 | 山东天力能源股份有限公司 | A kind of fermentation tank on-line period dilution system and its technique |
| CN108732297A (en) * | 2018-07-23 | 2018-11-02 | 山东省科学院生物研究所 | The detection method and device of gluconic acid sodium content in a kind of zymotic fluid |
| CN114166833A (en) * | 2021-11-24 | 2022-03-11 | 云南省农业科学院质量标准与检测技术研究所 | On-site rapid detection method and device for VC content of non-red vegetables |
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| CF01 | Termination of patent right due to non-payment of annual fee |