CN113462528B - Anaerobic fermentation reactor for organic solid waste - Google Patents

Anaerobic fermentation reactor for organic solid waste Download PDF

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CN113462528B
CN113462528B CN202110956201.9A CN202110956201A CN113462528B CN 113462528 B CN113462528 B CN 113462528B CN 202110956201 A CN202110956201 A CN 202110956201A CN 113462528 B CN113462528 B CN 113462528B
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stirring
gear
motor
fixedly connected
connecting cylinder
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CN113462528A (en
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戴晓虎
华煜
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Tongji University
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Tongji University
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    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
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    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
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    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
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    • 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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    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure

Abstract

The invention discloses an organic solid waste anaerobic fermentation reactor, which comprises a body, wherein a kettle cover is arranged at the top of the body, a feed inlet and an air outlet are respectively formed in two ends of the kettle cover, a driving mechanism is arranged in the middle of the top of the kettle cover, an air inlet is formed between the feed inlet and the driving mechanism, a temperature sensor and a pressure sensor are arranged at the top of the kettle cover, the bottom of the driving mechanism is in transmission connection with a stirring mechanism through a speed change mechanism, the stirring mechanism is positioned in the body, a heating mechanism is circumferentially arranged on the outer wall of the body, a discharge outlet is formed in the middle of the bottom of the body, a coating material is arranged on the inner wall of the body and the stirring mechanism, and the coating material can play a role of a catalyst in the organic solid waste fermentation process so as to increase the anaerobic degradation efficiency.

Description

Anaerobic fermentation reactor for organic solid waste
Technical Field
The invention relates to the field of anaerobic fermentation, in particular to an anaerobic fermentation reactor for organic solid wastes.
Background
Organic solid wastes such as municipal solid waste, straws, livestock and poultry manure and the like are huge in quantity and grow rapidly. According to statistics, 1.5 hundred million tons of domestic garbage in nationwide towns in 2007 are increased at a speed of 9% per year; 13.2 million tons of livestock and poultry manure and 8 million tons of crop straws per year. The solid wastes contain more degradable parts and contain a large amount of raw organic solid waste energy. Through proper treatment, the method not only can reduce the harm to the environment, but also can recycle materials and energy, and realize the treatment of reduction, reclamation and harmlessness of the garbage.
The anaerobic digestion method is an effective treatment means of organic solid wastes, can produce high-added-value products such as organic acid, ethanol and the like, generates energy products such as hydrogen, methane and the like, and can reduce the emission of greenhouse gases and other harmful gases. Most of the organic solid wastes belong to substances which are difficult to biodegrade, the anaerobic digestion retention time is long, the moderate degradation can be achieved by about 30-50% generally under the retention time of 20-30 days, the retention time of the organic solid wastes in a digestion system is too long, the tank body is huge, the operation and management are complex, the liquefaction and decomposition processes of the organic solid wastes in the working process of the existing anaerobic digestion reactor are slow, and the generated methane quantity and the gas generation rate are low.
Therefore, a new anaerobic fermentation reactor for organic solid wastes is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an anaerobic fermentation reactor for organic solid wastes, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an organic solid waste anaerobic fermentation reactor, which comprises a body, wherein a kettle cover is arranged at the top of the body, a feed inlet and an air outlet are respectively arranged at two ends of the kettle cover, a driving mechanism is arranged in the middle of the top of the kettle cover, an air inlet is arranged between the feed inlet and the driving mechanism and is positioned on the kettle cover, a temperature sensor and a pressure sensor are arranged at the top of the kettle cover and are positioned at two sides in the driving mechanism, the bottom of the driving mechanism is in transmission connection with a stirring mechanism through a speed change mechanism, the stirring mechanism is positioned in the body, a heating mechanism is circumferentially arranged on the outer wall of the body, a discharge outlet is arranged in the middle of the bottom of the body, coating materials are arranged on the inner wall of the body and the stirring mechanism, and the driving mechanism, the heating mechanism, the stirring mechanism and the temperature sensor are arranged on the inner wall of the kettle cover, and the heating mechanism are arranged on the outer wall of the body, The temperature sensor and the pressure sensor are respectively electrically connected with an external controller.
Preferably, actuating mechanism includes the rigid coupling and is in motor support on the top surface in the middle of the kettle cover, the rigid coupling has the motor on the motor support, first through-hole has been seted up in the middle of the top surface of kettle cover, the output shaft of motor passes first through-hole stretches into this is internal, the output shaft of motor stretches into this internal one end rigid coupling has first gear, the output shaft of motor with the speed change mechanism rigid coupling, the motor with external control ware electric connection.
Preferably, the speed change mechanism comprises a housing fixedly connected with the output shaft of the motor, the housing comprises an outer shell and an inner shell connected with the outer shell through a first bearing, the output shaft of the motor is fixedly connected with the outer shell, the output shaft of the motor is fixedly installed with the inner shell through a second bearing, the first gear is positioned in the inner shell, a first connecting shaft is fixedly connected with any one side of the inner shell, a second gear is rotatably connected on the first connecting shaft and meshed with the first gear, the bottom of the inner shell is fixedly connected with a transmission shaft through a third bearing, the top of the transmission is fixedly connected with a third gear, the third gear is meshed with the second gear, a second through hole is formed in the bottom of the shell, the transmission shaft penetrates through the second through hole and extends into the body, and a plurality of fourth gears are fixedly connected to the transmission shaft at equal intervals.
Preferably, the rabbling mechanism includes the rigid coupling and is in the connecting cylinder of shell bottom, the both sides of connecting cylinder are equidistant to be equipped with a plurality of third through-holes, the downthehole rotation of third through-hole is connected with first stirring portion, the bottom rigid coupling of connecting cylinder has second stirring portion, be equipped with on the outer wall of connecting cylinder the cladding material.
Preferably, first stirring portion includes that the rigid coupling is at the adapter sleeve outside the through-hole of connecting cylinder, fixed mounting has the fourth bearing in the adapter sleeve, the rigid coupling has the (mixing) shaft in the fourth bearing, the (mixing) shaft stretches into in the connecting cylinder, just the (mixing) shaft stretches into one end fixed mounting in the connecting cylinder has the fifth gear, the fifth gear with fourth gear engagement, circumference is equipped with the stirring leaf on the (mixing) shaft, the (mixing) shaft is kept away from the one end rigid coupling of connecting cylinder has the stirring brush, the stirring brush is kept away from the one end of (mixing) shaft with the inner wall butt of body, the adapter sleeve the (mixing) shaft the stirring leaf with be equipped with the cladding material on the stirring brush respectively.
Preferably, the second stirring part comprises a stirring cylinder fixedly connected with the bottom of the connecting cylinder, a plurality of stirring sheets are circumferentially arranged at equal intervals at the bottom of the stirring cylinder, the stirring sheets are matched with the bottom of the body, and coating materials are arranged on the stirring cylinder and the stirring sheets.
Preferably, the stirring sheet is arc-shaped.
Preferably, the diameter of the connecting cylinder is larger than that of the transmission shaft, the length of the connecting cylinder is larger than that of the transmission shaft, and the diameter of the through hole in the bottom of the shell is larger than that of the transmission shaft.
Preferably, the heating mechanism comprises a plurality of heating sheets arranged on the outer wall of the body, and the heating sheets are electrically connected with the external controller.
Preferably, the coating material is a zirconium metal organic framework material.
The invention discloses the following technical effects: through set up actuating mechanism on the kettle cover, provide the driving source for organic solid waste anaerobic fermentation, make organic solid waste obtain intensive mixing at fermentation process through rabbling mechanism, make organic solid waste carry out intensive fermentation, and set up the cladding material who is used for promoting the liquefaction of organic solid waste and decomposition process on the inner wall of body and rabbling mechanism, thereby can play the effect of catalyst in organic solid waste fermentation process and increase anaerobic degradation's efficiency, still be equipped with temperature sensor and pressure sensor through the top at the kettle cover, can control this internal pressure and temperature through external controller, increase degradation efficiency, thereby make the output of methane and produce the increase of gas speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of an anaerobic fermentation reactor for organic solid wastes according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural view of the shifting mechanism;
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a side view of a stir bar;
wherein: 1. a body; 2. a kettle cover; 3. a feed inlet; 4. an air outlet; 5. an air inlet; 6. a temperature sensor; 7. a pressure sensor; 8. a discharge port; 9. a support leg; 10. a motor bracket; 11. a motor; 12. a first gear; 13. a housing; 14. an inner shell; 15. a second bearing; 16. a first connecting shaft; 17. a second gear; 18. a third bearing; 19. a drive shaft; 20. a third gear; 21. a fourth gear; 22. a connecting cylinder; 23. connecting sleeves; 24. a fourth bearing; 25. a stirring shaft; 26. a fifth gear; 27. stirring blades; 28. stirring the brush; 29. a mixing drum; 30. a stirring sheet; 31. a heating plate; 32. a first bearing; 40. a stirring rod; 41. a spike.
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 order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1-3, the invention provides an organic solid waste anaerobic fermentation reactor, comprising a body 1, a kettle cover 2 arranged on the top of the body 1, a feed inlet 3 and an air outlet 4 respectively arranged at two ends of the kettle cover 2, a driving mechanism arranged in the middle of the top of the kettle cover 2, an air inlet 5 arranged between the feed inlet 3 and the driving mechanism, a temperature sensor 6 and a pressure sensor 7 arranged on the top of the kettle cover 2, the temperature sensor 6 and the pressure sensor 7 are arranged at two sides in the driving mechanism, the bottom of the driving mechanism is connected with a stirring mechanism through a transmission mechanism, the stirring mechanism is arranged in the body 1, a heating mechanism is circumferentially arranged on the outer wall of the body 1, a discharge outlet 8 is arranged in the middle of the bottom of the body 1, a zirconium metal organic framework material, the driving mechanism and the heating mechanism are arranged on the inner wall of the body 1 and the stirring mechanism, the temperature sensor 6 and the pressure sensor 7 are respectively electrically connected with an external controller.
Through set up actuating mechanism on kettle cover 2, provide the driving source for organic solid waste anaerobic fermentation, make organic solid waste obtain intensive mixing at fermentation process through rabbling mechanism, make organic solid waste carry out intensive fermentation, and set up the cladding material who is used for promoting the liquefaction of organic solid waste and decomposition process on the inner wall of body 1 and rabbling mechanism, thereby can play the effect of catalyst in organic solid waste fermentation process and increase anaerobic degradation's efficiency, through still being equipped with temperature sensor 6 and pressure sensor 7 at the top of kettle cover 2, can control pressure and temperature in the body 1 through external control ware, increase degradation efficiency, thereby make the output of methane and produce the gas rate and increase.
Further optimize the scheme, actuating mechanism includes motor support 10 on the top surface in the middle of the kettle cover 2 of rigid coupling, the rigid coupling has motor 11 on motor support 10, first through-hole has been seted up in the middle of the top surface of kettle cover 2, motor 11's output shaft passes first through-hole and stretches into in the body 1, motor 11's output shaft stretches into the one end rigid coupling in the body 1 and has first gear 12, motor 11's output shaft and speed change mechanism rigid coupling, motor 11 and external controller electric connection.
The motor 11 is started through an external controller to provide power for the operation of the stirring mechanism in the body 1.
Further optimizing scheme, the speed change mechanism includes the casing with the output shaft rigid coupling of motor 11, the casing includes shell 13 and inner shell 14 that is connected through first bearing 32 with shell 13, the output shaft of motor 11 and shell 13 rigid coupling, the output shaft of motor 11 and inner shell 14 pass through second bearing 15 fixed mounting, first gear 12 is located inner shell 14, the rigid coupling of arbitrary one side of inner shell 14 has first connecting axle 16, it has second gear 17 to rotate on the first connecting axle 16, second gear 17 meshes with first gear 12, the bottom of inner shell 14 has transmission shaft 19 through third bearing 18 rigid coupling, driven top rigid coupling has third gear 20, third gear 20 meshes with second gear 17, the bottom of shell 13 is equipped with the second through-hole, transmission shaft 19 passes the second through-hole and stretches into body 1, the equidistant rigid coupling has a plurality of fourth gear 21 on transmission shaft 19.
The outer shell 13 is fixedly connected with the output shaft of the motor 11, so that the outer shell 13 rotates along with the output shaft of the motor 11, the first bearing 32 is fixedly connected between the outer shell 13 and the inner shell 14, the inner shell 14 cannot rotate along with the outer shell 13, when the first gear 12 rotates in the inner shell 14, the second gear 17 meshed with the first gear 12 in the inner shell 14 is driven to rotate, and the third gear 20 meshed with the second gear 17 is driven to rotate along with the first gear, the third gear 20 drives the transmission shaft 19 connected with the third gear to rotate, and at the moment, the rotating speeds of the transmission shaft 19 and the outer shell 13 are different.
Further optimize the scheme, rabbling mechanism includes the connecting cylinder 22 of rigid coupling in shell 13 bottom, and the both sides of connecting cylinder 22 are equidistant to be equipped with a plurality of third through-holes, and the third through-hole internal rotation is connected with first stirring portion, and the bottom rigid coupling of connecting cylinder 22 has second stirring portion, is equipped with the organic framework material of zirconium metal on the outer wall of connecting cylinder 22.
The degradation efficiency is increased by coating or preventing the arrangement of the zirconium metal organic framework material through the plating layer on the outer wall of the connecting cylinder 22, so that the yield of methane and the gas production rate are increased, and the stirring effect is increased by the simultaneous operation of the first stirring part and the second stirring part.
Further optimize the scheme, first stirring portion includes the adapter sleeve 23 of rigid coupling in the through-hole outside of connecting cylinder 22, fixed mounting has fourth bearing 24 in the adapter sleeve 23, the rigid coupling has (mixing) shaft 25 in the fourth bearing 24, (mixing) shaft 25 stretches into in the connecting cylinder 22, and the one end fixed mounting that (mixing) shaft 25 stretched into in the connecting cylinder 22 has fifth gear 26, fifth gear 26 and the meshing of fourth gear 21, circumference is equipped with stirring leaf 27 on the (mixing) shaft 25, the one end rigid coupling that connecting cylinder 22 was kept away from to (mixing) shaft 25 has stirring brush 28, the one end that stirring shaft 25 was kept away from to stirring brush 28 and body 1's inner wall butt, adapter sleeve 23, stirring shaft 25, stirring leaf 27 and stirring brush 28 are equipped with the cladding material.
The connecting cylinder 22 drives the stirring shaft 25 and the stirring blades 27 and the stirring brush 28 on the stirring shaft 25 to rotate along with the connecting cylinder 22, so that the organic solid waste in the body 1 is stirred, and meanwhile, the stirring brush 28 rotates along the circumferential direction of the inner wall of the body 1, so that the organic solid waste stuck on the inner wall of the body 1 is stirred.
Further optimize the scheme, the second stirring portion includes the churn 29 with the bottom rigid coupling of connecting cylinder 22, be equipped with the bolt hole of a plurality of equidistant range on the lateral wall of churn 29, the bottom of connecting cylinder 22 is equipped with a plurality of screw holes with bolt hole looks adaptation, it is fixed to connecting cylinder 22 to pass bolt hole and screw hole in proper order, the bottom circumference of churn 29 is equidistant to be equipped with a plurality of stirring pieces 30, stirring piece 30 and the bottom looks adaptation of body 1 are equipped with the cladding material on churn 29 and the stirring piece 30.
The stirring blade 30 of the second stirring part can stir the organic solid waste at the bottom of the body 1, so that the organic solid waste can participate in the stirring activity in the body 1, and the stirring efficiency is increased.
According to the further optimized scheme, the stirring sheet 30 is arc-shaped, so that the organic solid waste at the bottom of the body 1 can be fully stirred.
In a further optimized scheme, the diameter of the connecting cylinder 22 is larger than that of the transmission shaft 19, the length of the connecting cylinder 22 is larger than that of the transmission shaft 19, and the diameter of a through hole in the bottom of the shell 13 is larger than that of the transmission shaft 19.
In a further optimized scheme, the heating mechanism comprises a plurality of heating sheets 31 arranged on the outer wall of the body 1, and the heating sheets 31 are electrically connected with an external controller.
According to the further optimization scheme, the coating material is a zirconium metal organic framework material, specifically MOF-808 (Zr), the porosity and the large specific surface area of the MOF-808 (Zr) material are beneficial to the catalytic reaction of active sites to which reactants diffuse and the rapid discharge of products, the biological reaction process of anaerobic digestion is catalyzed and accelerated, the liquefaction and decomposition processes of organic solid wastes are promoted, the methane production activity is promoted, and the methane production amount and the methane production rate are increased.
In a further optimized scheme, the bottom edge of the body 1 is provided with a supporting leg 9.
The working principle is as follows: putting organic solid waste into the body 1 through the feed port 3, starting the motor 11 through an external controller, driving the first gear 12 to rotate in the inner shell 14 by an output shaft of the motor 11, driving the outer shell 13 to rotate along with the output shaft of the motor 11, rotating the connecting cylinder 22 along with the outer shell 13 at the same time, rotating a plurality of stirring shafts 25 connected with the connecting cylinder 22 along with the connecting cylinder 22, and stirring the organic solid waste in the body 1; meanwhile, the first gear 12 drives the second gear 17 engaged with the first gear to rotate, the second gear 17 drives the third gear 20 engaged with the second gear to rotate, so that the transmission shaft 19 rotates in the connecting cylinder 22, the fifth gear 26 on the transmission shaft 19 rotates along with the transmission shaft 19, and simultaneously drives the fourth gear 21 engaged with two ends of the fifth gear 26 to rotate, so that the stirring shaft 25 rotates along with the connecting cylinder 22, and self-rotation is realized under the action of the fifth gear 26, so that the stirring blade 27 on the stirring shaft 25 rotates along with the rotation, the organic solid waste in the body 1 is fully stirred, meanwhile, the stirring brush 28 at the other end of the stirring shaft 25 is driven to rotate along the inner wall of the body 1, and the stirring brush can rotate to scrape the organic solid waste on the inner wall of the body 1 to stir the organic solid waste, and the stirring cylinder 29 and the stirring blade 30 installed at the bottom of the connecting cylinder 22 stir the organic solid waste at the bottom of the body 1, through the simultaneous working of a plurality of stirring portions, increase stirring efficiency, all plate zirconium metal organic framework material on the inner wall of body 1 and on each stirring position simultaneously, can increase organic solid waste and carry out degradation efficiency, thereby make the output of methane and produce the gas rate increase, gas outgoing that will produce through gas outlet 4 is collected through the external device with gas outlet 4 intercommunication, temperature sensor 6 and pressure sensor 7 through the top of kettle cover 2 are used for detecting the temperature and the pressure in the body 1, and supplement the temperature and the pressure in the body 1 through air inlet 5 and heating plate 31, organic solid waste after the stirring is accomplished at last is discharged through discharge gate 9.
Example 2
The difference from embodiment 1 is that, referring to fig. 4-5, in order to increase the stirring effect and promote the degradation of the organic solid waste, the stirring rods 40 are symmetrically and fixedly connected to both sides of one end of the stirring brush 28 close to the connecting cylinder 22, a plurality of peaks 41 are provided on the outer wall of the stirring rod 40, and the peaks 41 can break the organic solid waste and mix it with the solution while the stirring rod 40 rotates along with the stirring brush 28, so that the stirring efficiency is increased and the degradation time is shortened.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (5)

1. The utility model provides an organic solid waste anaerobic fermentation reactor, includes body (1), the top of body (1) is equipped with kettle cover (2), the both ends of kettle cover (2) are equipped with feed inlet (3) and gas outlet (4) respectively, its characterized in that: the device is characterized in that a driving mechanism is arranged in the middle of the top of the kettle cover (2), an air inlet (5) is arranged between the feed inlet (3) and the driving mechanism, the air inlet (5) is positioned on the kettle cover (2), a temperature sensor (6) and a pressure sensor (7) are arranged at the top of the kettle cover (2), the temperature sensor (6) and the pressure sensor (7) are positioned at two sides in the driving mechanism, the bottom of the driving mechanism is connected with a stirring mechanism through a speed change mechanism in a transmission manner, the stirring mechanism is positioned in the body (1), a heating mechanism is circumferentially arranged on the outer wall of the body (1), a discharge port (8) is arranged in the middle of the bottom of the body (1), and coating materials used for promoting the liquefaction and decomposition processes of organic solid wastes are arranged on the inner wall of the body (1) and the stirring mechanism, the driving mechanism, the heating mechanism, the temperature sensor (6) and the pressure sensor (7) are respectively electrically connected with an external controller;
the driving mechanism comprises a motor support (10) fixedly connected to the top surface of the middle of the kettle cover (2), a motor (11) is fixedly connected to the motor support (10), an output shaft of the motor (11) is fixedly connected with the speed change mechanism, a first through hole is formed in the middle of the top surface of the kettle cover (2), the output shaft of the motor (11) penetrates through the first through hole and extends into the body (1), a first gear (12) is fixedly connected to one end, extending into the body (1), of the output shaft of the motor (11), and the motor (11) is electrically connected with the external controller;
the speed change mechanism comprises a shell fixedly connected with an output shaft of the motor (11), the shell comprises a shell (13) fixedly connected with the output shaft of the motor (11), the stirring mechanism comprises a connecting cylinder (22) fixedly connected to the bottom of the shell (13), a plurality of third through holes are formed in two sides of the connecting cylinder (22) at equal intervals, a first stirring part is rotatably connected in each third through hole, and a second stirring part is fixedly connected to the bottom of the connecting cylinder (22);
the utility model discloses a motor, including shell (13), motor (11), first bearing (32), outer shell (13) be connected with inner shell (14) through first bearing (32), the output shaft of motor (11) with inner shell (14) are through second bearing (15) fixed mounting, first gear (12) are located in inner shell (14), the arbitrary one side rigid coupling of inner shell (14) has first connecting axle (16), it is connected with second gear (17) to rotate on first connecting axle (16), second gear (17) with first gear (12) meshing, the bottom of inner shell (14) is through third bearing (18) fixed mounting have transmission shaft (19), the top rigid coupling of transmission shaft (19) has third gear (20), third gear (20) with second gear (17) meshing, the bottom of outer shell (13) is equipped with the second through-hole, the transmission shaft (19) penetrates through the second through hole and extends into the body (1), and a plurality of fifth gears (26) are fixedly connected to the transmission shaft (19) at equal intervals;
the outer wall of the connecting cylinder (22) is provided with the plating material; the first stirring part comprises a connecting sleeve (23) fixedly connected to the outer side of the through hole of the connecting cylinder (22), a fourth bearing (24) is fixedly installed in the connecting sleeve (23), a stirring shaft (25) is fixedly connected in the fourth bearing (24), stirring blades (27) are circumferentially arranged on the stirring shaft (25), a stirring brush (28) is fixedly connected to one end, far away from the connecting cylinder (22), of the stirring shaft (25), the second stirring part comprises a stirring cylinder (29) fixedly connected to the bottom of the connecting cylinder (22), and a plurality of stirring blades (30) are circumferentially arranged at equal intervals on the bottom of the stirring cylinder (29);
the stirring shaft (25) extends into the connecting cylinder (22), a fourth gear (21) is fixedly mounted at one end of the stirring shaft (25) extending into the connecting cylinder (22), the fifth gear (26) is meshed with the fourth gear (21), one end, far away from the stirring shaft (25), of the stirring brush (28) is abutted against the inner wall of the body (1), and the connecting sleeve (23), the stirring shaft (25), the stirring blade (27) and the stirring brush (28) are respectively provided with the coating material;
the stirring sheet (30) is matched with the bottom of the body (1), and the coating material is arranged on the stirring cylinder (29) and the stirring sheet (30).
2. The anaerobic fermentation reactor for organic solid waste according to claim 1, wherein: the stirring sheet (30) is arc-shaped.
3. The anaerobic fermentation reactor for organic solid waste according to claim 1, wherein: the diameter of the connecting cylinder (22) is larger than that of the transmission shaft (19), the length of the connecting cylinder (22) is larger than that of the transmission shaft (19), and the diameter of a through hole in the bottom of the shell (13) is larger than that of the transmission shaft (19).
4. The anaerobic fermentation reactor for organic solid waste according to claim 1, wherein: the heating mechanism comprises a plurality of heating sheets (31) arranged on the outer wall of the body (1), and the heating sheets (31) are electrically connected with the external controller.
5. The anaerobic fermentation reactor for organic solid waste according to claim 1, wherein: the coating material is a zirconium metal organic framework material.
CN202110956201.9A 2021-08-19 2021-08-19 Anaerobic fermentation reactor for organic solid waste Active CN113462528B (en)

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