CN118243446B - Ethanol fermentation concentration detecting system - Google Patents
Ethanol fermentation concentration detecting system Download PDFInfo
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- CN118243446B CN118243446B CN202410661075.8A CN202410661075A CN118243446B CN 118243446 B CN118243446 B CN 118243446B CN 202410661075 A CN202410661075 A CN 202410661075A CN 118243446 B CN118243446 B CN 118243446B
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000000855 fermentation Methods 0.000 title claims abstract description 46
- 230000004151 fermentation Effects 0.000 title claims abstract description 46
- 230000006698 induction Effects 0.000 claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims description 52
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000012071 phase Substances 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000007791 liquid phase Substances 0.000 abstract description 7
- 238000002309 gasification Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000010285 flame spraying Methods 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229940107700 pyruvic acid Drugs 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 238000010364 biochemical engineering Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000034659 glycolysis Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Environmental & Geological Engineering (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Biomedical Technology (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to an ethanol fermentation concentration detection system, which comprises a gas sample system, an induction system and a cleaning system, wherein the extracted fermentation liquid is placed into a sample tank of the gas sample system for heating, and is uniformly smeared on the inner wall of the sample tank by using a sample smearing shaft, and is matched with the heating of an electrothermal sleeve to accelerate the gasification of liquid phase ethanol, a sampling piston in the induction tank horizontally moves, ethanol-containing gas is sucked into the induction tank, and the induction tank is used for carrying out concentration induction detection on the ethanol in a gas phase, so that the ethanol fermentation concentration detection effect is effectively improved, and a subsequent cleaning system is used for carrying out incineration cleaning on the sample tank and the induction tank by a flame nozzle in a communicating pipe, so that the residual combustion cleaning of the ethanol is effectively reduced, the next detection operation is facilitated, and the ethanol detection efficiency of the detection system is effectively improved.
Description
Technical Field
The invention relates to an ethanol detection system, in particular to an ethanol fermentation concentration detection system applied to the technical field of ethanol detection.
Background
The microbial fermentation process is the basis of biochemical engineering, modern biotechnology and industrialization thereof, various parameter changes of the biochemical process directly affect the biochemical reaction process, and high-precision intelligent detection technology and instrumented research of various parameters are of great significance to the optimization control of an intelligent measurement and control system of the biochemical process. Ethanol fermentation refers to a process that under anaerobic conditions, microorganisms convert glucose into pyruvic acid through glycolysis (also called EMP pathway), the pyruvic acid is further decarboxylated to form acetaldehyde, and the acetaldehyde is finally reduced into ethanol, wherein the concentration of ethanol in a fermentation tank is required to be detected in the fermentation process, so that the fermentation progress is judged.
The specification of Chinese patent No. 201520696732.9 discloses an on-line detection device for the concentration of ethanol by microbial fermentation, which is characterized in that an ethanol vapor permeable membrane which is placed in a fermentation tank and is contacted with fermentation liquid converts the concentration of ethanol in a liquid phase in the fermentation liquid into the concentration of ethanol in a gas phase. The sensor container isolates the gas-sensitive sensor from the outside, the ethanol gas is fully contacted with the gas-sensitive sensor after entering the container, and the ethanol concentration is converted into a measurement output voltage through the detection circuit. The method can effectively realize the on-line detection of the concentration of the ethanol and meet the application requirements of the microbial fermentation industry.
The above patent and the existing ethanol fermentation detection mode are that liquid phase ethanol in fermentation liquor is converted into gas phase ethanol, a gas sensor is in contact with ethanol gas, the concentration of the ethanol is converted into a voltage signal through a detection circuit, when the liquid phase ethanol is converted into the gas phase ethanol, the gas phase ethanol is not timely discharged due to the increase of the volume of the gas, the gas phase conversion efficiency of the ethanol is affected by the increase of the air pressure, the detection effect of the ethanol fermentation concentration is further affected, after the detection is finished, the residual ethanol gas in the system is inconvenient to clean, the subsequent detection experiment is affected, and the detection efficiency of the system is affected.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problems that the gas is not discharged in time in the process of converting liquid-phase ethanol into gas-phase ethanol, the gas-phase conversion efficiency of the ethanol is affected by the increase of the gas pressure, the detection effect of the fermentation concentration of the ethanol is further affected, and the residual ethanol gas in the system is inconvenient to clean after the detection is finished, so that the subsequent detection experiment is affected, and the detection efficiency of the system is affected.
In order to solve the problems, the invention provides an ethanol fermentation concentration detection system, which comprises a gas sample system, an induction system and a cleaning system; the gas sample system comprises a sample tank, a sample inlet is formed in the top of the sample tank, a sample smearing shaft is rotatably connected in the sample tank, the sample smearing shaft is closely corresponding to the inner wall of the sample tank, and an electric heating sleeve is fixedly sleeved outside the sample tank; the sensing system comprises a sensing tank, a sampling piston is movably connected in the sensing tank, and a sensing module is fixedly connected to the surface of the sampling piston; the cleaning system comprises a communicating pipe, two ends of the communicating pipe are respectively connected with the sample tank and the induction tank in an inserting mode, a flame spraying nozzle is fixedly connected with the middle of the communicating pipe, and two ends of the top of the flame spraying nozzle correspond to the sample tank and the induction tank and are provided with nozzles.
In the ethanol fermentation concentration detection system, the extracted fermentation liquid is placed into a sample tank of a gas sample system for heating, liquid-phase ethanol gasification is accelerated, gas obtained by gasification is instantly absorbed by an induction system and concentration induction detection is carried out on ethanol in gas phase, a subsequent cleaning system is used for burning and cleaning the sample tank and the induction tank through a flame nozzle in a communicating pipe, residual of the ethanol is effectively cleaned, cleaning workload is effectively reduced, and further ethanol detection efficiency of the detection system is effectively improved.
As a further improvement of the application, the inner wall of the sample tank is fixedly connected with the equally-spaced ridge rings, the cross sections of the ridge rings are arranged in a triangle shape, the area of the inner wall of the sample tank is increased by the ridge rings, and the gas phase conversion efficiency of ethanol is effectively improved.
As a further improvement of the application, the contact surface of the sample smearing shaft and the inner wall of the sample tank is provided with the scraping groove, the scraping groove is in sliding correspondence with the ridge ring, and the sample smearing shaft is in sliding contact with the ridge ring through the scraping groove, so that the smearing uniformity effect of the fermentation liquid is effectively improved.
As a further improvement of the application, the sensing module consists of an ethanol sensor, a detection circuit, a humidity sensor and a temperature sensor, wherein the ethanol sensor is a platinum fuel cell sensor, and various sensors realize comprehensive detection of gas and effectively improve the accuracy of detection data.
As a further improvement of the application, the platinum electrode end of the ethanol sensor is provided with the grid holes which are arranged at equal intervals, the inside of the grid holes is filled with the catalytic particles, the catalytic particles are made of tin oxide materials, and the sensing detection effect of the ethanol sensor is effectively improved through the catalytic particles, so that the accuracy of ethanol detection is effectively improved.
In addition to the improvement of the application, the cleaning system also comprises a blowing system, the blowing system comprises a fan module, the air outlet end of the fan module is fixedly connected with a blowing ring, the blowing ring is fixedly sleeved with the induction tank, the inner ring of the blowing ring is fixedly connected with a blowing nozzle, the blowing nozzle penetrates and stretches into the induction tank, the blowing system supplies air to the blowing ring through the fan module, air is blown into the induction tank from the blowing nozzle, and the air flowing effect in the induction tank is accelerated, so that the residual inside the induction tank is cleaned.
In addition to the improvement of the application, the inner wall of the induction tank is provided with the groove ring, the blowing nozzles are obliquely arranged, the blowing nozzles are annularly distributed relative to the groove ring, the outlet ends of the blowing nozzles face the communicating pipe, and the blowing nozzles are annularly distributed along the groove ring, so that uniform blowing inside the induction tank is facilitated, and the blowing cleaning effect inside the induction tank is effectively improved.
As another improvement of the application, the induction system and the cleaning system are both connected with a piston pushing system, the piston pushing system comprises an induction pushing module and a cleaning pushing module, pushing position points of the induction pushing module and the cleaning pushing module are symmetrically arranged about a groove ring, the pushing distance of the induction pushing module is smaller than that of the cleaning pushing module, the pushing positions of the induction pushing module and the cleaning pushing module are distinguished by taking the groove ring as a dividing line, and the system is convenient to adjust the working state of the sampling piston according to different working states.
In addition to the improvement of the application, the piston pushing system comprises a pushing tank cover, wherein the pushing tank cover is fixedly arranged at one end of the induction tank, which is far away from the communicating pipe, the middle part of the pushing tank cover is fixedly connected with an electric cylinder, the output end of the electric cylinder is fixedly connected with the sampling piston, and the electric cylinder is used for driving the sampling piston to move, so that the electric control operation of the sampling piston is facilitated.
In addition to the improvement of the application, the control end of the electric cylinder is respectively connected with the induction pushing module and the cleaning pushing module, the indication module is fixedly arranged outside the pushing tank cover, the input end of the indication module is connected with the electric cylinder, the induction pushing module and the cleaning pushing module respectively control the expansion and contraction of the electric cylinder, and the indication module prompts the expansion and contraction mode of the electric cylinder, so that the system operation of experimenters is facilitated.
In summary, the fermentation liquid obtained by extraction is placed into the sample tank of the gas sample system for heating, the fermentation liquid is uniformly smeared on the inner wall of the sample tank by using the sample smearing shaft, the heating of the electric heating sleeve is matched, the liquid-phase ethanol gasification is accelerated, the sampling piston in the induction tank moves horizontally, the gas containing ethanol is sucked into the induction tank, the concentration induction detection is carried out on the ethanol in the gas phase by using the induction tank, the ethanol fermentation concentration detection effect is effectively improved, the subsequent cleaning system burns and cleans the sample tank and the induction tank through the flame nozzle in the communicating pipe, the residual burning and cleaning of the ethanol is realized, the cleaning workload is effectively reduced, the next detection operation is facilitated, and the ethanol detection efficiency of the detection system is effectively improved.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application;
FIG. 2 is a system diagram of a first embodiment of the present application;
FIG. 3 is a cross-sectional view of a first embodiment of the present application;
FIG. 4 is a perspective view showing a first embodiment of the present application;
FIG. 5 is a perspective view of a sample application shaft according to a first embodiment of the present application;
Fig. 6 is a perspective view showing a structure of an induction tank according to a first embodiment of the present application;
FIG. 7 is a perspective view of a sampling piston according to a first embodiment of the present application;
fig. 8 is a perspective view showing a communication pipe according to the first embodiment of the present application;
FIG. 9 is an enlarged view of a second embodiment of the mouthpiece and recessed collar of the present application;
fig. 10 is an illustration of the position of the motion of the sampling piston according to the second embodiment of the present application.
The reference numerals in the figures illustrate:
1. A sample tank; 101. a sample inlet; 102. a sample smearing shaft; 103. an electric heating sleeve; 104. a spine ring; 105. scraping a groove; 2. an induction tank; 201. a sampling piston; 202. a sensing module; 203. an ethanol sensor; 204. grid holes; 205. catalytic particles; 3. a communicating pipe; 301. a flame nozzle; 302. a spout; 4. a fan module; 401. a blowing ring; 402. a blowing nozzle; 403. a groove ring; 5. pushing the can lid; 501. an electric cylinder; 502. and an indication module.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
FIGS. 1-5 illustrate an ethanol fermentation concentration detection system comprising a gas sample system, a sensing system, and a cleaning system; the gas sample system comprises a sample tank 1, a sample inlet 101 is formed in the top of the sample tank 1, a sample smearing shaft 102 is rotatably connected to the inside of the sample tank 1, the sample smearing shaft 102 is closely corresponding to the inner wall of the sample tank 1, an electric heating sleeve 103 is fixedly sleeved outside the sample tank 1, equidistant ridge rings 104 are fixedly connected to the inner wall of the sample tank 1, the cross sections of the ridge rings 104 are arranged in a triangular shape, the inner wall area of the sample tank 1 is increased through the ridge rings 104, the gas phase conversion efficiency of ethanol is effectively improved, a scraping groove 105 is formed in the contact surface between the sample smearing shaft 102 and the inner wall of the sample tank 1, the scraping groove 105 is in sliding correspondence with the ridge rings 104, the sample smearing shaft 102 is in sliding contact with the ridge rings 104 through the scraping groove 105, and the smearing uniformity effect of fermentation liquid is effectively improved;
After the extracted fermentation liquor is put into the sample tank 1 from the sample inlet 101, the sample tank 1 is heated by the electric heating sleeve 103, the fermentation liquor in the sample tank 1 is heated, so that ethanol in the fermentation liquor volatilizes, meanwhile, the fermentation liquor is uniformly smeared on the inner wall of the sample tank 1 by using the smearing shaft 102, the inner wall area of the sample tank 1 is increased by the ridge ring 104, the scraping groove 105 of the smearing shaft 102 is in sliding correspondence with the ridge ring 104, the smearing uniformity effect of the fermentation liquor is effectively improved, and the ethanol volatilization efficiency in the fermentation liquor is effectively improved.
Fig. 6-7 show that the induction system comprises an induction tank 2, a sampling piston 201 is movably connected inside the induction tank 2, a sensing module 202 is fixedly connected to the surface of the sampling piston 201, the sensing module 202 is composed of an ethanol sensor 203, a detection circuit, a humidity sensor and a temperature sensor, the ethanol sensor 203 is a platinum fuel cell sensor, various sensors are used for realizing comprehensive detection of gas, the accuracy of detection data is effectively improved, mesh holes 204 which are equidistantly arranged are formed in the platinum electrode end of the ethanol sensor 203, catalytic particles 205 are filled in the mesh holes 204, the catalytic particles 205 are made of tin oxide materials, and the sensing detection effect of the ethanol sensor 203 is effectively improved through the catalytic particles 205, so that the accuracy of ethanol detection is effectively improved;
in the ethanol gasification process of fermentation liquor by the gas sample system, the sampling piston 201 in the induction tank 2 slowly moves, volatilized ethanol gas is timely sucked into the induction tank 2, the phenomenon that the volatilization of ethanol is influenced due to overlarge air pressure in the sampling tank 1 is avoided, the ethanol concentration, the gas humidity and the gas temperature of the gas are detected by the ethanol sensor 203, the humidity sensor and the temperature sensor in the sensing module 202, more accurate detection data are obtained through data sorting analysis, and the ethanol concentration detection accuracy is effectively improved.
Fig. 3 and 8 show that the cleaning system comprises a communicating pipe 3, two ends of the communicating pipe 3 are respectively connected with a sample tank 1 and an induction tank 2 in an inserted manner, a flame nozzle 301 is fixedly connected with the middle part of the communicating pipe 3, and two ends of the top of the flame nozzle 301 are provided with nozzles 302 corresponding to the sample tank 1 and the induction tank 2;
connect sample jar 1 and induction pot 2 through communicating pipe 3, realize the gaseous circulation between sample jar 1 and the induction pot 2, after the detection experiment is ended, the flame spraying nozzle 301 in communicating pipe 3 fires burning treatment to sample jar 1 and induction pot 2 respectively in, burns out residual ethanol gas, effectively reduces the clearance operation of system, and then effectively improves the detection efficiency of system.
Second embodiment:
Compared with the first embodiment, the blowing system and the piston pushing system are mainly added in the present embodiment, and the specific added structure is as follows, and the other structures are identical to those of the first embodiment.
Fig. 3 and 9 show that the cleaning system further comprises a blowing system, the blowing system comprises a blower module 4, the air outlet end of the blower module 4 is fixedly connected with a blowing ring 401, the blowing ring 401 is fixedly sleeved with the induction tank 2, the inner ring of the blowing ring 401 is fixedly connected with a blowing nozzle 402, the blowing nozzle 402 penetrates through and stretches into the induction tank 2, the blowing system blows air to the blowing ring 401 through the blower module 4, air is blown into the induction tank 2 from the blowing nozzle 402, the air flowing effect in the induction tank 2 is accelerated, so that the residual inside the induction tank 2 is cleaned, the inner wall of the induction tank 2 is provided with a groove ring 403, the blowing nozzle 402 is obliquely arranged, the blowing nozzle 402 is annularly distributed relative to the groove ring 403, the outlet end of the blowing nozzle 402 faces to a communicating pipe 3, and the blowing nozzle 402 is annularly distributed along the groove ring 403, so that uniform blowing inside the induction tank 2 is facilitated, and the blowing cleaning effect inside the induction tank 2 is effectively improved;
After the cleaning system burns sample tank 1 and induction tank 2, cleaning system restarts the system of blowing, fan module 4 blows air to blowing ring 401, and the induction tank 2 is blown in from blowing nozzle 402 to the wind, and groove ring 403 is convenient for the inside even blowing of induction tank 2 to effectively improve the inside cleaning effect that blows of induction tank 2, the air current still enters into sample tank 1 through communicating pipe 3 in, carries out the cleaning of blowing of sample tank 1 equally, and finally the wind is discharged from sample inlet 101.
Fig. 2 and fig. 9-10 show that, the induction system and the cleaning system are both connected with a piston pushing system, the piston pushing system comprises an induction pushing module and a cleaning pushing module, pushing position points of the induction pushing module and the cleaning pushing module are symmetrically arranged about a groove ring 403, pushing distance of the induction pushing module is smaller than pushing distance of the cleaning pushing module, the groove ring 403 is used as a boundary line to distinguish pushing positions of the induction pushing module and the cleaning pushing module, the system is convenient for adjusting working states of a sampling piston 201 according to different working states, the piston pushing system comprises a pushing tank cover 5, the pushing tank cover 5 is fixedly arranged at one end of the induction tank 2 far away from a communicating pipe 3, an electric cylinder 501 is fixedly connected to the middle part of the pushing tank cover 5, an output end of the electric cylinder 501 is fixedly connected with the sampling piston 201, the electric cylinder 501 drives the sampling piston 201 to move, electric control ends of the electric cylinder 501 are respectively connected with the induction pushing module and the cleaning pushing module, an indicating module 502 is fixedly arranged at the outer part of the pushing tank cover 5, an input end of the indicating module 502 is connected with the electric cylinder, the induction pushing module and the electric cylinder is convenient for carrying out expansion and contraction mode on the electric cylinder 501 by the electric cylinder 501, and expansion mode of the electric cylinder 501 are convenient for an experiment personnel to operate;
The piston pushing system manages and controls the motion of sensing system and cleaning system to sampling piston 201 through sensing pushing module and clearance pushing module, when sensing system carries out the extraction of ethanol gas, sensing pushing module controls electric cylinder 501 and drives sampling piston 201 shrink, the final shrink position of sampling piston 201 is in the recess circle 403 and is close to the one end of communicating pipe 3, when cleaning system carries out the clearance operation of blowing, the clearance pushing module continues to control electric cylinder 501 and further shrink, drive sampling piston 201 and move to the other end of recess circle 403, expose the inside blowing nozzle 402 of recess circle 403, electric cylinder 501's operating condition is prompted by indicating module 502, the system operation of the experimenter of being convenient for.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (10)
1. An ethanol fermentation concentration detecting system, which is characterized in that: comprises a gas sample system, an induction system and a cleaning system;
The gas sample system comprises a sample tank (1), a sample inlet (101) is formed in the top of the sample tank (1), a sample smearing shaft (102) is connected to the inside of the sample tank (1) in a rotating mode, the sample smearing shaft (102) is close to the inner wall of the sample tank (1) and corresponds to the inner wall of the sample tank, and an electric heating sleeve (103) is fixedly sleeved on the outside of the sample tank (1);
The induction system comprises an induction tank (2), wherein a sampling piston (201) is movably connected inside the induction tank (2), and a sensing module (202) is fixedly connected to the surface of the sampling piston (201);
The cleaning system comprises a communicating pipe (3), two ends of the communicating pipe (3) are respectively connected with a sample tank (1) and an induction tank (2) in an inserted mode, a flame nozzle (301) is fixedly connected with the middle of the communicating pipe (3), and nozzles (302) are formed in two ends of the top of the flame nozzle (301) corresponding to the sample tank (1) and the induction tank (2).
2. The ethanol fermentation concentration detection system according to claim 1, wherein: the inner wall of the sample tank (1) is fixedly connected with equally-spaced ridge rings (104), and the cross section of each ridge ring (104) is triangular.
3. The ethanol fermentation concentration detection system according to claim 2, wherein: the contact surface of the sample smearing shaft (102) and the inner wall of the sample tank (1) is provided with a scraping groove (105), and the scraping groove (105) is in sliding correspondence with the ridge ring (104).
4. The ethanol fermentation concentration detection system according to claim 1, wherein: the sensing module (202) is composed of an ethanol sensor (203), a detection circuit, a humidity sensor and a temperature sensor, wherein the ethanol sensor (203) is a platinum fuel cell sensor.
5. The ethanol fermentation concentration detection system according to claim 4, wherein: the platinum electrode end of the ethanol sensor (203) is provided with grid holes (204) which are arranged at equal intervals, catalytic particles (205) are filled in the grid holes (204), and the catalytic particles (205) are made of tin oxide materials.
6. The ethanol fermentation concentration detection system according to claim 1, wherein: the cleaning system further comprises a blowing system, the blowing system comprises a fan module (4), the air outlet end of the fan module (4) is fixedly connected with a blowing ring (401), the blowing ring (401) is fixedly sleeved with the induction tank (2), the inner ring of the blowing ring (401) is fixedly connected with a blowing nozzle (402), and the blowing nozzle (402) penetrates through and stretches into the induction tank (2).
7. The ethanol fermentation concentration detection system according to claim 6, wherein: the inner wall of the induction tank (2) is provided with a groove ring (403), the blowing nozzle (402) is obliquely arranged, the blowing nozzle (402) is annularly distributed relative to the groove ring (403), and the outlet end of the blowing nozzle (402) faces the communicating pipe (3).
8. The ethanol fermentation concentration detection system according to claim 7, wherein: the induction system and the cleaning system are both connected with a piston pushing system, the piston pushing system comprises an induction pushing module and a cleaning pushing module, pushing position points of the induction pushing module and the cleaning pushing module are symmetrically arranged about the groove ring (403), and pushing distance of the induction pushing module is smaller than that of the cleaning pushing module.
9. The ethanol fermentation concentration detection system according to claim 8, wherein: the piston pushing system comprises a pushing tank cover (5), the pushing tank cover (5) is fixedly arranged at one end, far away from the communicating pipe (3), of the induction tank (2), an electric cylinder (501) is fixedly connected to the middle of the pushing tank cover (5), and the output end of the electric cylinder (501) is fixedly connected with the sampling piston (201).
10. The ethanol fermentation concentration detection system according to claim 9, wherein: the control end of the electric cylinder (501) is connected with the induction pushing module and the cleaning pushing module respectively, an indicating module (502) is fixedly arranged outside the pushing tank cover (5), and the input end of the indicating module (502) is connected with the electric cylinder (501).
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| IT202000029444A1 (en) * | 2020-12-02 | 2022-06-02 | Enhanced Systems & Tech S R L | METHOD AND DEVICE FOR DETERMINING THE ALCOHOL CONTENT OF AQUEOUS SOLUTIONS USING GAS SENSORS |
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