CN110713918A - CSTR reaction unit of semicontinuous appearance - Google Patents
CSTR reaction unit of semicontinuous appearance Download PDFInfo
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- CN110713918A CN110713918A CN201911012763.7A CN201911012763A CN110713918A CN 110713918 A CN110713918 A CN 110713918A CN 201911012763 A CN201911012763 A CN 201911012763A CN 110713918 A CN110713918 A CN 110713918A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
Abstract
The invention relates to the technical field of environmental protection, and discloses a semi-continuous sample injection CSTR reaction device, which solves the problems that the semi-continuous sample injection CSTR reaction device in the current market is inconvenient to operate, complicated to use, inconvenient to replace parts, incapable of flexibly setting the feeding amount, the feeding speed and the frequency, incapable of monitoring relevant data in real time and incapable of measuring the gas amount generated in the anaerobic fermentation process of materials on line; the invention provides a small-sized semi-continuous sample injection CSTR reaction device for a laboratory, which has the advantages of capability of measuring the gas quantity generated in the anaerobic fermentation process of materials in real time on line, capability of monitoring parameters such as temperature and pH value in the anaerobic fermentation process of the materials in real time on line, capability of flexibly setting the feeding quantity, the feeding speed and the feeding frequency, simplicity in operation, convenience in use, modular design of the reaction device and easiness in part replacement.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a semi-continuous sample injection CSTR reaction device.
Background
In the CSTR (continuous Stirred Tank reactor), also called ideal mixed flow reactor or continuous Stirred reactor, the operation of material feeding and discharging is continuous, i.e. reactants are continuously and constantly added into the reactor while reaction products are continuously led out of the reactor, such flow condition is very close to ideal mixed flow model or completely mixed flow model, and the completely mixed flow is also an ideal assumption, the continuous Stirred Tank reactor is widely used for liquid phase reaction in actual industrial production, as long as enough stirring intensity is achieved, the flow pattern is very close to the completely mixed flow, in the CSTR reactor, the material system properties of all spatial positions are uniform and equal to the material properties at the outlet of the reactor, namely: the concentration and temperature of the material are equal everywhere and equal to the concentration and temperature of the reactor effluent, and all parameters of the system in the CSTR reactor, such as T, C, P, do not change with time, so that there is no time independent variable, which is space.
At present, more anaerobic reactors are used in industry, including UASB-upflow anaerobic sludge blanket, EGSB-anaerobic expanded granular bed reactor, CSTR-complete mixed anaerobic reactor, IC-internal circulation anaerobic reactor, ABR-anaerobic baffle reactor, AF-anaerobic biofilter, UBF-compound anaerobic fluidized bed, AC-anaerobic contact process, USR-upflow anaerobic solid reactor, septic tank and the like, wherein, the CSTR reactor is most widely used in industry, but most of the time of use needs special personnel to watch to ensure the material amount in the reactor is continuously in stable reaction state, therefore, the artificial filling is frequently needed, so the development of a CSTR reactor capable of continuously feeding has important significance, and a small reactor is established in a laboratory to simulate the CSTR reactor capable of continuously feeding, it is beneficial to evaluate the operation efficiency and optimize the operation parameters, but the small-scale reaction device is not available at present.
Disclosure of Invention
Aiming at the situation, the invention provides a semi-continuous sample injection CSTR reaction device to overcome the defects of the prior art, and effectively solves the problems that the semi-continuous sample injection CSTR reaction device in the current market is inconvenient to operate, complex to use, inconvenient to replace parts, incapable of flexibly setting the feeding quantity, the feeding speed and the frequency, incapable of monitoring relevant data in real time, incapable of measuring the quantity of gas generated in the anaerobic fermentation process of materials on line and overlarge in size of an experimental device.
In order to achieve the purpose, the invention provides the following technical scheme: a CSTR reaction device with semi-continuous sample injection comprises an impeller stirrer, wherein one end of the impeller stirrer is provided with a reaction tank, the top of the reaction tank is provided with a tank body gas outlet, the top of the tank body gas outlet is provided with a gas guide pipe, one end of the gas guide pipe is provided with a metering tank, the top of the metering tank is provided with a metering gas inlet, the top of the metering tank, which is positioned on the side surface of the metering gas inlet, is provided with a thermometer, the top of the reaction tank, which is positioned on the side surface of the thermometer, is provided with a pH meter, the outside of the reaction tank is provided with an electric heating sleeve, the side surface of the reaction tank is provided with an emergency feeder, one end of the emergency feeder is provided with an emergency ball valve, the bottom of the reaction tank is provided with a feed pipe, the middle part of the inner cavity, the automatic piston mechanism of feeding extends to the outside one end of feed mechanism and installs the automatic piston propeller of feeding, and the externally mounted of the automatic piston propeller of feeding has the leakage tray, and feed mechanism's side-mounting has the filled tube, and the mid-mounting in filled tube inner chamber has the ball valve of packing, and the one end of filled tube is installed the filling device, and the manual piston of packing is installed to the inner chamber of filling device.
Preferably, an emergency pipe is installed at the top of the emergency feeder, and an inner cavity of the emergency pipe at the top of the emergency feeder is installed with the emergency ball valve.
Preferably, the feeding mechanism is positioned under the reaction tank, and the bottom of the feeding mechanism is provided with a movable hole.
Preferably, the metering air outlet is in direct contact with the atmosphere, and the metering air outlet and the metering air inlet are both arranged at the top of the metering pool.
Preferably, a pushing rod is fixed at the bottom of the feeding automatic piston mechanism, and one end of the pushing rod on the feeding automatic piston mechanism is matched with a movable hole at the bottom of the feeding mechanism.
Preferably, the two ends of the filler are provided with auxiliary holes, and the auxiliary holes at the two ends of the filler are respectively matched with one ends of the filler pipe and the manual filling piston.
Preferably, an adjusting block is fixed at one end of the manual filling piston, and the diameter of the adjusting block on the manual filling piston is larger than that of an auxiliary hole at one end of the filling device.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention provides a small semi-continuous sample injection CSTR reaction device in a laboratory, which can be used for researching the mechanism and parameter optimization of anaerobic digestion of various organic materials in the laboratory;
2) the invention can measure the gas quantity generated in the anaerobic fermentation process of the material on line in real time;
3) the invention can monitor parameters such as temperature and pH value in the anaerobic fermentation process of the material on line in real time;
4) the invention can flexibly set the feeding quantity, the feeding speed and the frequency;
5) the invention has the advantages of simple operation, convenient use, modular design of the reaction device and easy replacement of parts.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural view of a reaction cell according to the present invention;
FIG. 3 is a schematic structural view of a feeding mechanism of the present invention;
in the figure: 1. an impeller agitator; 2. a gas outlet of the tank body; 3. a thermometer; 4. a pH meter; 5. a reaction tank; 6. an emergency feeder; 7. an emergency ball valve; 8. a feed ball valve; 9. a feed pipe; 10. a feeding mechanism; 11. a packing ball valve; 12. a filler tube; 13. a filler; 14. a feed automatic piston pusher; 15. a leak tray; 16. an electric heating jacket; 17. a feed automatic piston mechanism; 18. a packing manual piston; 19. an air duct; 20. a metering tank; 21. a metering air inlet; 22. and (4) metering an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the present invention includes an impeller stirrer 1, the impeller stirrer 1 is arranged to uniformly stir the substances inside the reaction tank 5, a reaction tank 5 is installed at one end of the impeller stirrer 1, a tank outlet 2 is installed at the top of the reaction tank 5, a gas-guide tube 19 is installed at the top of the tank outlet 2, a metering tank 20 is installed at one end of the gas-guide tube 19, a metering inlet 21 is installed at the top of the metering tank 20, a metering outlet 22 is installed at the top of the metering tank 20, which is located at the side of the metering inlet 21, a thermometer 3 is installed at the top of the reaction tank 5, which is located at the side of the tank outlet 2, the thermometer 3 is arranged to monitor the temperature in real time, a pH meter 4 is installed at the top of the reaction tank 5, and an electric heating jacket 16 is installed outside the reaction tank, the side-mounting of reaction tank 5 has emergent feeder 6, emergent globe valve 7 is installed to the one end of emergent feeder 6, inlet pipe 9 is installed to the bottom of reaction tank 5, the mid-mounting of inlet pipe 9 inner chamber has feeding globe valve 8, feed mechanism 10 is installed to the bottom of inlet pipe 9, automatic piston mechanism 17 of feeding is installed to feed mechanism 10's inner chamber, automatic piston mechanism 17 of feeding extends to the outside one end of feed mechanism 10 and installs feeding automatic piston propeller 14, the externally mounted of feeding automatic piston propeller 14 has leakage tray 15, the side-mounting of feed mechanism 10 has filler pipe 12, the mid-mounting of filler pipe 12 inner chamber has filler globe valve 11, filler 13 is installed to the one end of filler pipe 12, manual piston 18 of filler is installed to the inner chamber of filler 13.
In the second embodiment, on the basis of the first embodiment, the emergency pipe is installed at the top of the emergency feeder 6, the inner cavity of the emergency pipe at the top of the emergency feeder 6 is installed with the emergency ball valve 7, and through the arrangement of the emergency feeder 6, the corresponding substances can be supplemented in time, so that the experiment interruption is avoided.
In the third embodiment, on the basis of the first embodiment, the feeding mechanism 10 is located right below the reaction tank 5, and the bottom of the feeding mechanism 10 is provided with a movable hole, so that the feeding mechanism 10 cooperates with the feeding automatic piston mechanism 17 to transport relevant substances through the feeding mechanism 10.
Fourth embodiment, on the basis of first embodiment, the measurement gas outlet 22 directly contacts with the atmosphere, and the measurement gas outlet 22 and the measurement gas inlet 21 all set up at the top of measurement pond 20, through the setting of measurement gas outlet 22 for its gas emission is more convenient, reduces the trouble that gas emission is not brought very much.
Fifth, on the basis of the first embodiment, a pushing rod is fixed at the bottom of the feeding automatic piston mechanism 17, and one end of the pushing rod on the feeding automatic piston mechanism 17 is matched with a movable hole at the bottom of the feeding mechanism 10, so that the feeding automatic piston mechanism 17 can push the material inside the feeding mechanism 10, and the material is driven to change the position.
Sixth embodiment, on the basis of the first embodiment, auxiliary holes are respectively formed at both ends of the stuffing device 13, and the auxiliary holes at both ends of the stuffing device 13 are respectively matched with one end of the stuffing pipe 12 and one end of the manual stuffing piston 18, so that the stuffing device 13 can supplement substances
Seventh embodiment, on the basis of the first embodiment, an adjusting block is fixed at one end of the manual filling piston 18, and the diameter of the adjusting block on the manual filling piston 18 is larger than that of the auxiliary hole at one end of the filling device 13, so that the manual filling piston 18 can be used for conveying related substances manually.
The working principle is as follows: when the device works, materials to be tested (such as agricultural straws, kitchen waste, livestock and poultry manure and organic wastewater) and microbial strains are put into a reaction tank 5 together, an impeller stirrer 1 is started to stir uniformly, an electric heating sleeve 16 is started to heat the reaction tank 5 to provide the temperature required by anaerobic digestion, the materials to be tested and the microbial strains are mixed and then are put into a filler 13, a filler ball valve 11 is opened to push a filler manual piston 18, the materials are injected into a feeding mechanism 10, the filler ball valve 11 is closed, a feeding ball valve 8 is opened, a feeding automatic piston propeller 14 is started to push a feeding automatic piston mechanism 17, the materials in the feeding mechanism 10 are injected into the reaction tank 5 according to a set speed and frequency, meanwhile, an emergency ball valve 7 is opened, the reacted materials are pushed into an emergency feeder 6 to receive the discharged reaction materials, if an emergency situation occurs, a new material can be directly loaded into the emergency feeder 6, and the new material is manually pushed into the reaction tank 5 for reaction;
the thermometer 3 arranged on the reaction tank 5 measures the temperature of the materials in the reaction process in real time, the pH meter 4 measures the pH value of the materials in the reaction process in real time, the gas generated by anaerobic digestion enters the metering tank 20 through the gas guide tube 19, the gas flow is measured in real time, the measured gas is discharged into the atmosphere through the metering gas outlet 22, or a gas collecting bag is connected at the tail end, and the subsequent gas component analysis is carried out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a CSTR reaction unit of semicontinuous appearance, includes impeller agitator (1), its characterized in that: the reaction tank (5) is installed at one end of the impeller stirrer (1), the tank body gas outlet (2) is installed at the top of the reaction tank (5), the gas guide pipe (19) is installed at the top of the tank body gas outlet (2), the metering tank (20) is installed at one end of the gas guide pipe (19), the metering gas inlet (21) and the metering gas outlet (22) are installed at the top of the metering tank (20), the thermometer (3) is installed at the top of the reaction tank (5) which is located on the side face of the tank body gas outlet (2), the pH meter (4) is installed at the top of the reaction tank (5) which is located on the side face of the thermometer (3), the electric heating sleeve (16) is installed outside the reaction tank (5), the emergency (6) is installed on the side face of the reaction tank (5), the emergency ball valve (7) is installed at one end of, the mid-mounting of inlet pipe (9) inner chamber has feeding ball valve (8), feed mechanism (10) are installed to the bottom of inlet pipe (9), feeding automatic piston mechanism (17) are installed to the inner chamber of feed mechanism (10), feeding automatic piston mechanism (17) extend to the outside one end of feed mechanism (10) and install feeding automatic piston propeller (14), the externally mounted of feeding automatic piston propeller (14) has leakage tray (15), the side-mounting of feed mechanism (10) has filled tube (12), the mid-mounting of filled tube (12) inner chamber has packing ball valve (11), filler (13) are installed to the one end of filled tube (12), manual piston (18) of packing are installed to the inner chamber of filler (13).
2. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: an emergency pipe is installed at the top of the emergency feeder (6), and an inner cavity of the emergency pipe at the top of the emergency feeder (6) is installed with the emergency ball valve (7).
3. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: the feeding mechanism (10) is positioned under the reaction tank (5), and the bottom of the feeding mechanism (10) is provided with a movable hole.
4. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: the metering air outlet (22) is in direct contact with the atmosphere, and the metering air outlet (22) and the metering air inlet (21) are both arranged at the top of the metering pool (20).
5. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: the bottom of the feeding automatic piston mechanism (17) is fixed with a pushing rod, and one end of the pushing rod on the feeding automatic piston mechanism (17) is matched with a movable hole at the bottom of the feeding mechanism (10).
6. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: auxiliary holes are formed in the two ends of the filler (13), and the auxiliary holes in the two ends of the filler (13) are matched with one ends of the filler pipe (12) and the manual filler piston (18) respectively.
7. The CSTR reaction device with semi-continuous sample injection according to claim 1, wherein: an adjusting block is fixed at one end of the manual filling piston (18), and the diameter of the adjusting block on the manual filling piston (18) is larger than that of an auxiliary hole at one end of the filling device (13).
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Cited By (2)
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CN117342889A (en) * | 2023-12-05 | 2024-01-05 | 中创宏远(北京)环保科技有限公司 | Biodegradation method for kitchen waste |
CN117342889B (en) * | 2023-12-05 | 2024-03-15 | 中创宏远(北京)环保科技有限公司 | Biodegradation method for kitchen waste |
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