CN111141332B - Flow guiding device for distilled liquor picking process and online measuring system and method - Google Patents
Flow guiding device for distilled liquor picking process and online measuring system and method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 235000014101 wine Nutrition 0.000 claims abstract description 132
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims description 95
- 238000005259 measurement Methods 0.000 claims description 21
- 230000005484 gravity Effects 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001476 alcoholic effect Effects 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000004821 distillation Methods 0.000 description 5
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- 238000001914 filtration Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 235000020097 white wine Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 238000013124 brewing process Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000000877 morphologic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
- C12H6/00—Methods for increasing the alcohol content of fermented solutions or alcoholic beverages
- C12H6/02—Methods for increasing the alcohol content of fermented solutions or alcoholic beverages by distillation
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Abstract
The invention relates to a flow guiding device for distilled liquor picking process, comprising: an ingress pipe, an egress pipe, a first standard container, a second standard container and a plurality of control valves; the first standard container and the second standard container are arranged at intervals and independently; the ingress pipe comprises a first branch and a second branch, so that wine can flow into the first standard container from the first branch or flow into the second standard container from the second branch; the delivery pipe is arranged at the outlet of the first standard container and the outlet of the second standard container, so that wine in the first standard container and the second standard container can flow into the delivery pipe after flowing out; the control valves are used for controlling the wine bodies to alternately flow into the first standard container and the second standard container and enabling the wine bodies in the first standard container and the second standard container to alternately flow out. The invention also relates to an online measuring system and method for the flow and the alcohol degree in the process of distilling alcohol to extract alcohol.
Description
Technical Field
The invention relates to the technical field of automatic machinery and equipment, in particular to a flow guiding device for a distilled liquor picking process, and an online measuring system and method for flow and alcohol degree.
Background
The wine is a traditional culture of China, is a treasure in China civilization for five thousands of years, but at present, the white wine manufacturing industry in China also belongs to labor intensive industry, the degree of mechanization is low, and most white wine enterprises are still in an original mode of manual operation production. In recent years, under the influence of continuous rising of labor cost, increasingly tense land resources and national development of efficient and low-consumption industrial policies, the Chinese white spirit brewing and producing industry has become urgent to carry out technical innovation and change the traditional production mode.
The brewing industry has a sentence of old words: the importance of distillation and wine-picking processes can be seen by 'the aroma production is based on fermentation, the aroma extraction is based on distillation, and the wine is picked up by a wine picker'. In particular to the distillation and liquor-picking process, the liquor yield and the liquor quality of different distilled grains are different, and the liquor flowing quality of each distilled grain at different moments is also different. The flow rate and the alcohol degree of the wine flow are two important parameters in the process, and most wineries still adopt the traditional mode of manual measurement at present, and do not meet the development requirements of data generation, automation, intellectualization and fine management in the brewing industry.
In terms of flow and alcohol measurement during the process of wine extraction, there are mainly the following requirements:
(1) The pipeline must be open so that the pressure in the pipeline cannot affect the distillation and condensation upstream;
(2) The dynamic measurement range is large, the variation range can be 0 to 10L/min or even higher, and the wine flowing time is an important index in production, so that the flow of a few mL/min also needs to be measured more accurately;
(3) The method has the advantages that the requirement on the measurement accuracy of the accumulated flow is high, the flow of the wine is also an important index in production, and some alcohol degree measurement methods also depend on accurate accumulated flow measurement, so that the used flowmeter not only can accurately measure the real-time flow, but also has higher measurement accuracy of the accumulated flow;
(4) The real-time requirement is high, and the real-time flow data of distilled wine can be used for guiding the distillation of distilled wine lees and classification of wine products, so that the flow and alcohol degree measurement must have higher real-time performance.
However, in the existing flowmeter and alcohol meter, online real-time measurement of the flow rate and alcohol degree of the wine cannot be realized in the open pipeline.
Disclosure of Invention
Based on the background, the invention provides the on-line measuring system and the method for the flow rate and the alcoholic strength of the distilled liquor in the process of distilling and picking the liquor, which realize the real-time on-line monitoring of the flow rate and the alcoholic strength of the base liquor produced in the process of picking the liquor, provide necessary data support for the classification and the fine management of the liquor, and ensure that the liquor is picked up no longer by the liquor picking worker. The research is hoped to perform some preliminary exploration on the datamation of the white spirit brewing process link in China, and plays a certain promotion role in the intellectualization of brewing production and the refinement of production management in the white spirit industry.
A flow guiding device for distilled liquor picking process, comprising: an ingress pipe, an egress pipe, a first standard container, a second standard container and a plurality of control valves; the first standard container and the second standard container are arranged at intervals and independently; the ingress pipe comprises a first branch and a second branch; the first branch is suspended and arranged at the inlet of the first standard container at intervals, so that wine can flow into the first standard container from the first branch; the second branch is suspended and arranged at the inlet of the second standard container at intervals, so that wine can flow into the second standard container from the second branch; the delivery pipe is arranged at the outlet of the first standard container and the outlet of the second standard container, so that wine in the first standard container and the second standard container can flow into the delivery pipe after flowing out; the control valves are used for controlling the wine bodies to alternately flow into the first standard container and the second standard container and enabling the wine bodies in the first standard container and the second standard container to alternately flow out.
A flow guiding device for distilled liquor picking process, comprising: an ingress pipe, an egress pipe, a first standard container, a second standard container, a moving device and a plurality of control valves; the first standard container and the second standard container are arranged at intervals and independently; the ingress pipe is arranged at the inlets of the first standard container and the second standard container in a suspending manner; the moving device is used for moving the ingress pipe above the first standard container and the second standard container so as to enable wine bodies to alternately flow into the first standard container and the second standard container; the delivery pipe is arranged at the outlet of the first standard container and the outlet of the second standard container, so that wine in the first standard container and the second standard container can flow into the delivery pipe after flowing out; the control valves are used for controlling the wine body in the first standard container and the second standard container to flow out alternately.
An on-line measurement system for flow and alcohol content of a distilled liquor picking process, comprising: the flow guiding device is any one of the flow guiding devices in the distilled liquor picking process; the weight measuring device is used for measuring the weight of the wine body in the first standard container and the second standard container in real time; the liquid level measuring device is used for measuring the liquid levels of the wine bodies in the first standard container and the second standard container in real time; the temperature measuring device is used for measuring the temperature of the wine body in the first standard container and the second standard container in real time; the control device is electrically connected with the liquid level measuring device and the gravity measuring device and is used for acquiring weight data and liquid level height data of the wine bodies in the first standard container and the second standard container; the control device is also electrically connected with the control valves respectively and controls the opening and closing of the control valves according to the liquid level heights of the wine bodies in the first standard container and the second standard container; the control device is also used for calculating the flow and the alcohol degree of the wine body according to the weight data and the liquid level height data.
An on-line measuring method for flow and alcohol degree in distilled liquor picking process, comprising: the method comprises the steps of enabling inflow liquid to alternately flow into a first standard container and a second standard container through computer control, and enabling wine in the first standard container and wine in the second standard container to alternately flow out; measuring the liquid level height of the wine body in the first standard container and the second standard container in real time through a liquid level measuring device respectively and sending the liquid level height data to the computer; measuring the weight of the wine in the first standard container and the weight of the wine in the second standard container in real time through the gravity measuring device respectively, and sending the indication of the gravity measuring device to the computer; and the computer calculates the flow and the alcohol degree of the distilled liquor in the process of liquor taking according to the liquid level height data and the indication of the gravity measuring device.
Compared with the prior art, in the online measuring system and method for the flow and the alcohol degree, the two standard containers collect liquid and drain liquid alternately, so that parameters such as the volume flow, the mass flow, the density, the temperature, the alcohol degree and the like of the wine body can be measured stably in an open pipeline, a measuring result can guide the preliminary classification of the distilled grains and the wine products, the manual wine picking and metering used in a large number of wineries at present are replaced, the measuring speed is ensured, the automatic and online measurement is realized, and technical support is provided for intelligent production and fine management in the brewing industry.
Drawings
Fig. 1 is a schematic structural diagram of a flow guiding device in the process of liquor extraction in embodiment 1 of the present invention.
FIG. 2 is a schematic diagram of the on-line measuring system for flow and alcohol content in the process of distilling off alcohol according to example 1 of the present invention.
Fig. 3 is a schematic diagram of a sensor for detecting a liquid level using a camera according to embodiment 1 of the present invention.
Fig. 4 is a photograph taken and a result of processing in the method of detecting a liquid level using a camera provided in embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a sensor for detecting a liquid level by measuring electrical impedance characteristics according to embodiment 1 of the present invention.
Fig. 6 is a photograph of a sensor for detecting a liquid level by measuring electrical impedance characteristics provided in embodiment 1 of the present invention.
Fig. 7 is a graph showing the relationship between equivalent series capacitance and resistance with respect to the liquid level in the method for detecting the liquid level by measuring the electrical impedance characteristics according to embodiment 1 of the present invention.
Fig. 8 is a schematic diagram of two principles of detecting liquid level by using ultrasonic waves according to embodiment 1 of the present invention.
Fig. 9 is a schematic functional block diagram of a control device according to embodiment 1 of the present invention.
FIG. 10 is a schematic diagram of a dynamic weighing model for correcting the indication of a pressure sensor according to embodiment 1 of the present invention.
Fig. 11 is a schematic structural diagram of a diversion device for liquor extraction process according to embodiment 2 of the present invention.
Fig. 12 is a schematic structural diagram of a diversion device in the process of liquor extraction in embodiment 3 of the present invention.
Fig. 13 is a schematic structural diagram of a diversion device for liquor extraction process of distilled liquor provided in embodiment 4 of the present invention.
Description of the main reference signs
Detailed Description
The flow guiding device, the flow and alcohol degree on-line measuring system and the method for the distilled liquor picking process are further described in detail below with reference to the accompanying drawings and the specific embodiments.
Referring to fig. 1, embodiment 1 of the present invention provides a flow guiding device 100 for a distilled liquor picking process, wherein the flow guiding device 100 includes an inlet pipe 101, an outlet pipe 102, a first standard container 103, a second standard container 104, a first control valve 105, a second control valve 106, a third control valve 107, and a fourth control valve 108. The first control valve 105, the second control valve 106, the third control valve 107, and the fourth control valve 108 are single-channel control valves.
The inlet pipe 101 includes a first leg 1011 and a second leg 1012. The first branch 1011 is suspended and arranged at the inlet of the first standard container 103 at intervals, so that the wine 109 can flow into the first standard container 103 from the first branch 1011. The second branch 1012 is suspended and arranged at the inlet of the second standard container 104 at intervals, so that the wine 109 can flow into the second standard container 104 from the second branch 1012. The first branch 1011 is suspended and spaced from the first standard container 103 to avoid the influence of the pressure or the supporting force of the first branch 1011 when the quality of the wine 109 in the first standard container 103 is measured later. The second branch 1012 is suspended and spaced apart.
The delivery tube 102 includes a third leg 1021 and a fourth leg 1022. The first standard container 103 is suspended and arranged at the inlet of the third branch 1021 at intervals, so that the wine 109 flowing out of the first standard container 103 can flow into the third branch 1021. The second standard container 104 is suspended and arranged at the inlet of the fourth branch 1022 at intervals, so that the wine 109 flowing out of the second standard container 104 can flow into the fourth branch 1022. The first standard container 103 is suspended and spaced from the third branch 1021 to avoid the influence of the supporting force of the third branch 1021 when the quality of the wine 109 in the first standard container 103 is measured later. The second standard container 104 is suspended and spaced apart.
The first control valve 105 is disposed on the first branch 1011, the second control valve 106 is disposed on the second branch 1012, the third control valve 107 is disposed at the outlet of the first standard container 103, and the fourth control valve 108 is disposed at the outlet of the second standard container 104. Specifically, a first guide pipe 1030 is connected to the bottom of the first standard container 103, and the third control valve 107 is disposed on the first guide pipe 1030; the bottom of the second standard container 104 is connected to a second guide tube 1040, and the fourth control valve 108 is disposed on the second guide tube 1040. The first guide pipes 1030 are suspended and arranged at the inlet of the third branch 1021 at intervals, and the second guide pipes 1040 are suspended and arranged at the inlet of the fourth branch 1022 at intervals.
When the diversion device 100 works, the first control valve 105 and the fourth control valve 108 are opened, the second control valve 106 and the third control valve 107 are closed, and the wine 109 flows into the first standard container 103; when the first standard container 103 is full, the first control valve 105 and the fourth control valve 108 are closed, the second control valve 106 is opened to enable new wine 109 to flow into the second standard container 104, and then the third control valve 107 is opened to enable the wine 109 in the first standard container 103 to flow out; closing the third control valve 107 when the wine 109 in the first standard container 103 completely flows out; when the second standard container 104 is full, the second control valve 106 is closed, the first control valve 105 is opened, new wine 109 flows into the first standard container 103 again, and the fourth control valve 108 is opened immediately, so that the wine 109 in the second standard container 104 flows out; the fourth control valve 108 is closed when the body 109 of wine in the second standard container 104 is completely discharged. The cycle is repeated.
Referring to fig. 2, embodiment 1 of the present invention further provides an online measuring system 10 for flow and alcohol content in a distilled liquor picking process, wherein the measuring system 10 includes the flow guiding device 100, a measuring device 110 and a control device 120.
The measuring device 110 comprises a first pressure sensor 111, a second pressure sensor 112, a first level sensor 113 and a second level sensor 114. The first pressure sensor 111 and the second pressure sensor 112 are respectively used for measuring the mass of the wine 109 in the first standard container 103 and the second standard container 104 in real time. The first liquid level sensor 113 and the second liquid level sensor 114 are respectively used for measuring the liquid level height of the wine 109 in the first standard container 103 and the second standard container 104 in real time. The structures of the first pressure sensor 111 and the second pressure sensor 112 are not limited, and may be the same or different. The structures of the first liquid level sensor 113 and the second liquid level sensor 114 are not limited, and may be the same or different. It will be appreciated that the first level sensor 113 and the second level sensor 114 may also be the same level sensor.
Further, the measuring device 110 further comprises a resistance sensor (not shown) for measuring the temperature of the wine 109 in the first and second standard containers 103 and 104. Preferably, the resistance sensor is a non-contact resistance sensor.
In one embodiment, the first pressure sensor 111 and the second pressure sensor 112 are identical in structure. The first standard container 103 is fixed to the first pressure sensor 111 by a first support mechanism (not shown), and the second standard container 104 is fixed to the second pressure sensor 112 by a second support mechanism (not shown). And correcting the impact of the wine 109 flowing into the first standard container 103 according to the indication of the first pressure sensor 111 and the instantaneous flow of the wine 109, and subtracting the weight of the first standard container 103 to obtain the weight of the wine 109 in the first standard container 103. Similarly, the weight of the wine 109 in the second standard container 104 is obtained.
In one embodiment, a camera is used to detect the liquid level. Referring to fig. 3, the first liquid level sensor 113 includes a surface light source 1131, a light shielding strip 1132, and a camera 1133. The surface light source 1131 and the camera 1133 are respectively disposed on two sides of the first standard container 103, and the light shielding strip 1132 is disposed on one side of the surface light source 1131, which is close to the first standard container 103. For example, a black light shielding strip 1132 is adhered to the surface light source 1131. The camera 1133 shoots the surface light source 1131 and the light shielding strip 1132 through the first standard container 103 containing the wine 109. The width of the light shielding strip 1132 is normal in the part without liquid, and the width of the light shielding strip 1132 in the picture shot by the camera 1133 is obviously widened due to the refraction effect of the liquid, and the liquid level of the wine 109 can be obtained after the image processing processes such as binarization, morphological processing and statistical analysis. Fig. 4 shows a sample of the picture taken by the camera and the processing results. The first liquid level sensor 113 and the second liquid level sensor 114 have the same structure. The first level sensor 113 and the second level sensor 114 may be provided with a single camera.
In another embodiment, the liquid level is detected by measuring electrical impedance characteristics (including resistance, capacitance, etc.). Fig. 5 and 6 show a schematic structural diagram and a physical photograph of a device for measuring the liquid level of the wine body 109 by measuring the electrical impedance characteristics, respectively. The first level sensor 113 includes a first electrode 1134, a second electrode 1135, and a detection device 1136. The first electrode 1134 and the second electrode 1135 are two elongated metal sheets with the same shape, and are respectively and symmetrically adhered to two sides of the outer tube wall of the first standard container 103 and are arranged at intervals. The detecting device 1136 applies an alternating current signal to the first electrode 1134 and the second electrode 1135 (while attenuating electromagnetic noise using a shielding layer), and detects an impedance characteristic between the first electrode 1134 and the second electrode 1135. The impedance characteristics between the first electrode 1134 and the second electrode 1135 are found to be capacitive, and the mode |z| of the impedance is in a good inverse proportional relationship with the liquid level in the tube. The impedance is equivalent to a series circuit of a resistor and a capacitor, and the measured equivalent series resistance value R and the liquid level of the wine body 109 form a good inverse proportion relation. As shown in fig. 7, the equivalent series capacitance C has a good linear relationship with the liquid level.
In another embodiment, the liquid level is measured by ultrasound. Fig. 8 shows two schematic diagrams of the device for detecting the liquid level by using ultrasonic waves. The first level sensor 113 includes an ultrasonic transducer 1137. The ultrasonic transducer 1137 may be mounted to the bottom or top of the first standard container 103. When the ultrasonic transducer 1137 is installed at the bottom of the first standard container 103, ultrasonic waves are emitted upwards, reflected at the liquid level of the wine body 109, the propagation time of the ultrasonic waves in the wine body 109 can be measured, and the liquid level height can be calculated according to the sound velocity in the liquid. When the ultrasonic transducer 1137 is installed on the top of the first standard container 103, ultrasonic waves are emitted downwards and reflected at the liquid surface of the wine body 109, so that the propagation time of the ultrasonic waves in the air above the liquid surface of the wine body 109 can be measured, and the liquid level of the wine body 109 can be calculated according to the sound velocity in the gas.
The control device 120 is electrically connected to the first pressure sensor 111, the second pressure sensor 112, the first liquid level sensor 113 and the second liquid level sensor 114, respectively, and is configured to obtain quality data and liquid level height data of the wine 109 in the first standard container 103 and the second standard container 104, and calculate the flow rate and the alcohol degree of the wine 109 according to the quality data and the liquid level height data. Further, the control device 120 is connected to the first control valve 105, the second control valve 106, the third control valve 107, and the fourth control valve 108, and controls the opening and closing of the first control valve 105, the second control valve 106, the third control valve 107, and the fourth control valve 108 according to the liquid level of the wine 109 in the first standard container 103 and the second standard container 104.
As shown in fig. 9, the control apparatus 120 includes a computer 121, a valve control circuit 122, a sensor interface 123, and a display device 124. The valve control circuit 122, the sensor interface 123 and the display device 124 are electrically connected to the computer 121, respectively. The computer 121 is used to control the operation of the whole measuring system 10 and to calculate the flow rate and the alcohol content of the body 109. The computer 121 may be a Personal Computer (PC), a Microcontroller (MCU), a Programmable Logic Controller (PLC), etc.
The flow rate of the wine body 109 may be a mass flow rate or a volume flow rate. The volumetric flow rate is obtained by dividing the volume of the bodies 109 in the standard container by the time t for collecting these bodies, and the mass flow rate is obtained by dividing the mass of the bodies 109 in the standard container by the time t for collecting these bodies. The volume is obtained by a level sensor and the mass of the body 109 is obtained by a pressure sensor. The time t is obtained by the computer 121 by timing. For example, taking the example of calculating the volume flow rate of the wine 109 in the first standard container 103, when the computer 121 controls the first control valve 105 to open, the first liquid level sensor 113 reads the liquid level in real time and obtains the volume of the wine 109 in the first standard container 103.
The alcohol degree method of the wine 109 comprises the following steps: the alcohol degree of the alcohol body 109 can be obtained by calculating the mass of the alcohol body, calculating the density of the alcohol body 109, obtaining the temperature of the alcohol body 109, and looking up the table (20 ℃) of the comparison table of the density of the aqueous alcohol solution and the alcohol degree (alcohol content) in the determination of the alcohol concentration in the national standard alcohol for food safety in GB 5009.225-2016 and the conversion table of the alcohol degree (alcohol content) of the alcohol meter temperature and the alcohol degree (alcohol content) at 20 ℃. The computer 121 may store the above-mentioned comparison table and conversion table, or may query the above-mentioned comparison table and conversion table via a network.
Wherein the density of the wine body 109 is obtained by dividing the mass by the volume. The volume is obtained by a level sensor. The mass is obtained by means of a pressure sensor. In one embodiment, the computer 121 corrects the pressure sensor readings by using the dynamic weighing model shown in FIG. 10. Taking as an example the calculation of the mass of the wine 109 in the first standard container 103, the method specifically includes: let the mass of the first standard container 103 be m o, the mass of the wine 109 in the first standard container 103 be m l, the bottom area of the first standard container 103 be S, the height of the outlet of the first branch 1011 from the liquid surface of the wine 109 in the first standard container 103 be h, the speeds of the inlet liquid 109a leaving the outlet of the first branch 1011 and reaching the liquid surface of the wine 109 be v 0 and v 1, respectively, the indication of the first pressure sensor 111 be N, and the instantaneous volume flow of the inlet liquid 109a be q v.
Wherein m o and S are container parameters, which can be measured in advance, h and N can be measured in real time, and the relationship between v 0 and q v can be calculated. q v can be calculated using formula (1).
Neglecting the air resistance experienced by the drop of liquid as it falls,
v1 2-v0 2＝2gh#(2)
According to the theorem of momentum,
N＝(m0+ml)g+qvv1#(3)
So that the number of the parts to be processed,
The above expression contains a differential term of the liquid level, and the noise of the liquid level measurement has a great influence on the accuracy of the quality measurement, so that a proper filtering algorithm needs to be designed to more accurately measure the quality of the wine 109 in the first standard container 103 when the method is applied.
In one embodiment, filtering the measurement data using an Extended Kalman Filter (EKF) algorithm includes: the accumulated mass flow M, the accumulated volume flow V, the instantaneous wine density rho and the instantaneous volume flow q v are selected as state quantities, the liquid level h and the indication N of the first pressure sensor 111 are selected as observed quantities, an extended Kalman filtering model is established, and the values of the state quantities are estimated in real time.
After the mass m l of the wine 109 in the first standard container 103 is calculated by the formula (4), the density of the wine 109 in the first standard container 103 may be calculated according to the volume of the wine 109 in the first standard container 103.
After measuring the density of the wine 109 in the first standard container 103, measuring the density and temperature of the wine 109 in the first standard container 103, and calculating the alcohol content. In one embodiment, the alcohol content of the wine body 109 in the first standard container 103 can be obtained by checking the table (20 ℃) of the comparison table of the alcohol water solution density and the alcohol content (alcohol content) in GB 5009.225-2016 "determination of alcohol concentration in national standard wine for food safety", and the table (conversion table of alcohol content) of the alcohol temperature and the alcohol content (alcohol content) at 20 ℃) according to the density and the temperature of the wine body 109 in the first standard container 103 measured by a thermal resistance sensor.
Further, embodiment 1 of the present invention further provides an online measurement method for flow and alcohol content in a distilled liquor picking process, which comprises the following steps:
step S10, controlling the inflow liquid 109a to alternately flow into the first standard container 103 and the second standard container 104 by the computer 121, and alternately flow out the wine 109 in the first standard container 103 and the second standard container 104;
step S20, measuring the liquid level of the wine 109 in the first standard container 103 and the second standard container 104 in real time by the first liquid level sensor 113 and the second liquid level sensor 114, respectively, and sending the liquid level height data to the computer 121;
step S30, measuring the weight of the wine 109 in the first standard container 103 and the second standard container 104 in real time through the first pressure sensor 111 and the second pressure sensor 112 respectively and sending the pressure sensor indication to the computer 121; and
In step S40, the computer 121 calculates the flow rate and the alcohol content of the distilled liquor during the process of picking up distilled liquor according to the liquid level height data and the pressure sensor indication.
It should be understood that the above-mentioned flow guiding device 100 is not limited to the above-mentioned structure, as long as it is possible to alternately flow the inflow liquid 109a into the first standard container 103 and the second standard container 104 and alternately flow out the wine 109 in the first standard container 103 and the second standard container 104. Several other configurations of the deflector 100 are provided below.
Referring to fig. 11, embodiment 2 of the present invention provides a flow guiding device 100A for a distilled liquor picking process, wherein the flow guiding device 100A includes an inlet pipe 101, an outlet pipe 102, a first standard container 103, a second standard container 104, a first control valve 105, a third control valve 107, and a fourth control valve 108.
The flow guiding device 100A of embodiment 2 of the present invention has substantially the same structure as the flow guiding device 100 of embodiment 1 of the present invention, and the difference is that the first control valve 105 of the flow guiding device 100A of embodiment 2 of the present invention is a multi-channel control valve directly disposed on the main line of the introducing pipe 101, so that the wine 109 can be controlled to alternately flow into the first standard container 103 and the second standard container 104 through the first branch 1011 and the second branch 1012.
Referring to fig. 12, embodiment 3 of the present invention provides a flow guiding device 100B for a distilled liquor picking process, wherein the flow guiding device 100B includes an inlet pipe 101, an outlet pipe 102, a first standard container 103, a second standard container 104, a third control valve 107, a fourth control valve 108 and a moving device 130.
The deflector 100B of embodiment 3 of the present invention has substantially the same structure as the deflector 100 of embodiment 1 of the present invention, except that the introduction pipe 101 of the deflector 100B of embodiment 3 of the present invention is not formed with a plurality of branches and is not provided with a control valve, and the introduction pipe 101 is swung or moved above the first and second standard containers 103 and 104 by the moving means 130, so that the wine body 109 alternately flows into the first and second standard containers 103 and 104.
Referring to fig. 13, embodiment 4 of the present invention provides a flow guiding device 100C for a distilled liquor picking process, wherein the flow guiding device 100C comprises an inlet pipe 101, an outlet pipe 102, a first standard container 103, a second standard container 104, a first control valve 105, a second control valve 106, a third control valve 107, and a fourth control valve 108.
The flow guiding device 100C of embodiment 4 of the present invention has substantially the same structure as the flow guiding device 100 of embodiment 1 of the present invention, except that the outlet pipe 102 is not provided with a branch, and the wine 109 flowing out of the first standard container 103 and the second standard container 104 directly flows into the outlet pipe 102 through a large funnel (not shown).
In the online measuring system and method for flow and alcohol degree, two standard containers collect liquid and discharge liquid alternately, so that parameters such as volume flow, mass flow, density, temperature and alcohol degree of a wine body can be measured stably in an open pipeline, a measuring result can guide the preliminary classification of distilled grains and wine products, manual wine picking and metering used in a great deal of winery at present are replaced, measuring speed is ensured, automatic and online measurement is realized, and technical support is provided for intelligent production and fine management in brewing industry.
In addition, other variations within the spirit of the invention will occur to those skilled in the art, and such variations as may be included within the scope of the invention as claimed.
Claims (9)
1. An on-line measuring system for flow and alcohol content in distilled liquor picking process, which is characterized by comprising
The flow guiding device comprises an ingress pipe, an egress pipe, a first standard container, a second standard container and a plurality of control valves; the first standard container and the second standard container are arranged at intervals and independently; the ingress pipe comprises a first branch and a second branch; the first branch is suspended and arranged at the inlet of the first standard container at intervals, so that wine can flow into the first standard container from the first branch; the second branch is suspended and arranged at the inlet of the second standard container at intervals, so that wine can flow into the second standard container from the second branch; the delivery pipe is arranged at the outlet of the first standard container and the outlet of the second standard container, so that wine in the first standard container and the second standard container can flow into the delivery pipe after flowing out; the control valves are used for controlling the wine bodies to alternately flow into the first standard container and the second standard container and enabling the wine bodies in the first standard container and the second standard container to alternately flow out;
The gravity measuring device is used for measuring the weight of the wine body in the first standard container and the second standard container in real time;
the liquid level measuring device is used for measuring the liquid levels of the wine bodies in the first standard container and the second standard container in real time;
The temperature measuring device is used for measuring the temperature of the wine body in the first standard container and the second standard container in real time; and
The control device is electrically connected with the liquid level measuring device and the gravity measuring device and is used for acquiring weight data and liquid level height data of wine bodies in the first standard container and the second standard container; the control device is also electrically connected with the control valves respectively and controls the opening and closing of the control valves according to the liquid level heights of the wine bodies in the first standard container and the second standard container; the control device is also used for calculating the flow and the alcohol degree of the wine body according to the weight data and the liquid level height data.
2. The online measurement system of flow and alcohol content during a distilled spirit extraction process according to claim 1, wherein the plurality of control valves comprises a first control valve disposed on the first branch, a second control valve disposed on the second branch, a third control valve disposed at an outlet of the first standard container, and a fourth control valve disposed at an outlet of the second standard container.
3. The online measurement system for flow and alcohol content in the process of distilling spirit and extracting according to claim 2, wherein the bottom of the first standard container is connected with a first flow guiding pipe, and the third control valve is arranged on the first flow guiding pipe; the bottom of the second standard container is connected with a second guide pipe, and the fourth control valve is arranged on the second guide pipe; the eduction tube comprises a third branch and a fourth branch; the first guide pipe is suspended and arranged at the inlet of the third branch at intervals, so that wine flowing out of the first standard container can flow into the third branch; the second guide pipe is suspended and arranged at the inlet of the fourth branch at intervals, so that wine flowing out of the second standard container can flow into the fourth branch.
4. The on-line measuring system of flow and alcohol content of a liquor extraction process according to claim 1, wherein said plurality of control valves includes a multi-channel control valve disposed directly on a main line of said inlet tube for controlling the flow of liquor alternately into said first and second standard containers through said first and second branches; the control valves also comprise two single-channel control valves which are respectively arranged at the outlets of the first standard container and the second standard container and are used for controlling the wine in the first standard container and the second standard container to flow out alternately.
5. An on-line measurement system for flow and alcohol content of distilled liquor in a liquor taking process, comprising:
The flow guiding device comprises an ingress pipe, an egress pipe, a first standard container, a second standard container, a moving device and a plurality of control valves; the first standard container and the second standard container are arranged at intervals and independently; the ingress pipe is arranged at the inlets of the first standard container and the second standard container in a suspending manner; the moving device is used for moving the ingress pipe above the first standard container and the second standard container so as to enable wine bodies to alternately flow into the first standard container and the second standard container; the delivery pipe is arranged at the outlet of the first standard container and the outlet of the second standard container, so that wine in the first standard container and the second standard container can flow into the delivery pipe after flowing out; the control valves are used for controlling the wine bodies in the first standard container and the second standard container to alternately flow out;
The gravity measuring device is used for measuring the weight of the wine body in the first standard container and the second standard container in real time;
the liquid level measuring device is used for measuring the liquid levels of the wine bodies in the first standard container and the second standard container in real time;
The temperature measuring device is used for measuring the temperature of the wine body in the first standard container and the second standard container in real time; and
The control device is electrically connected with the liquid level measuring device and the gravity measuring device and is used for acquiring weight data and liquid level height data of wine bodies in the first standard container and the second standard container; the control device is also electrically connected with the control valves respectively and controls the opening and closing of the control valves according to the liquid level heights of the wine bodies in the first standard container and the second standard container; the control device is also used for calculating the flow and the alcohol degree of the wine body according to the weight data and the liquid level height data.
6. An on-line measurement system of flow and alcohol content of a liquor pick-up process according to claim 1 or 5, wherein said gravity measuring device comprises a first pressure sensor and a second pressure sensor; the first standard container is fixed on the first pressure sensor, and the second standard container is fixed on the second pressure sensor; the liquid level measuring device is a measuring device for detecting the liquid level by using a camera, and is used for detecting the liquid level by measuring the electrical impedance characteristics or detecting the liquid level by ultrasonic waves.
7. An on-line measuring method of flow rate and alcohol degree of distilled liquor taking process using the on-line measuring system of flow rate and alcohol degree of distilled liquor taking process according to any one of claims 1 to 5, characterized by comprising:
the method comprises the steps of enabling inflow liquid to alternately flow into a first standard container and a second standard container through computer control, and enabling wine in the first standard container and wine in the second standard container to alternately flow out;
measuring the liquid level height of the wine body in the first standard container and the second standard container in real time through a liquid level measuring device respectively and sending the liquid level height data to the computer;
Measuring the weight of the wine in the first standard container and the weight of the wine in the second standard container in real time through the gravity measuring device respectively, and sending the indication of the gravity measuring device to the computer; and
And the computer calculates the flow and the alcohol degree of the distilled liquor in the process of liquor picking according to the liquid level height data and the indication of the gravity measuring device.
8. The method for online measurement of flow and alcohol content during a distilled spirit extraction process according to claim 7, wherein said computer means for calculating alcohol content during a distilled spirit extraction process based on said level height data and gravity measurement device readings comprises: calculating the quality of the wine body; calculating the density of the wine body; obtaining the temperature of the wine body; and calculating the alcoholic strength through the density and the temperature of the wine body and the standard comparison table and the conversion table.
9. The method for online measurement of flow and alcohol content during liquor extraction as claimed in claim 8, wherein said method for calculating the mass of liquor is that the mass m l of liquor in said first standard container is calculated by the formulas (1) - (4):
Wherein g is gravity acceleration, N is the indication of gravity measuring device to the first standard container, m o is the mass of the first standard container, S is the bottom area of the first standard container, h is the height of the outlet of the first branch from the liquid level of the wine body in the first standard container, v 0 is the speed of the inflow liquid leaving the outlet of the first branch, v 1 is the speed of the inflow liquid reaching the liquid level of the wine body in the first standard container, and q v is the instantaneous volume flow of the inflow liquid.
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| CN112746004A (en) * | 2021-02-03 | 2021-05-04 | 河北工业大学 | Alcohol content online detection segmented liquor picking equipment based on density |
| CN113390747B (en) * | 2021-06-09 | 2022-03-25 | 劲牌有限公司 | Method and device for detecting and grading alcohol content on line in process of brewing and distilling white spirit |
| CN113484189A (en) * | 2021-07-02 | 2021-10-08 | 中国电信股份有限公司 | Online alcoholic strength acquisition system and method |
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