CN115959936A - Multi-section aerobic fermentation device and method - Google Patents

Multi-section aerobic fermentation device and method Download PDF

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Publication number
CN115959936A
CN115959936A CN202111193215.6A CN202111193215A CN115959936A CN 115959936 A CN115959936 A CN 115959936A CN 202111193215 A CN202111193215 A CN 202111193215A CN 115959936 A CN115959936 A CN 115959936A
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stirring
stirring shaft
aerobic fermentation
shaft
stage
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刘玉波
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Beijing Kelin Siyuan Biomass Energy Technology Co ltd
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Beijing Kelin Siyuan Biomass Energy Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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Abstract

The application relates to the technical field of aerobic fermentation, in particular to a multi-section aerobic fermentation device and a multi-section aerobic fermentation method, which comprise a rack, a stirring bin, a driving mechanism, a stirring mechanism and an oxygen supply mechanism, wherein the stirring bin is horizontally and fixedly arranged on the rack, the axial two ends of the stirring bin are respectively provided with a feeding port and a discharging port, the stirring mechanism comprises at least two stirring shafts, the stirring shafts are all rotatably arranged in the stirring bin, the stirring shafts are continuously provided with blades, the driving mechanism drives the stirring shafts to rotate at different rotating speeds, and the oxygen supply mechanism is communicated with the stirring bin and is used for providing oxygen. The present application has the following effects: actuating mechanism orders about each section (mixing) shaft and the rotational speed rotation of difference respectively, and next section (mixing) shaft can be broken up again and stir once more through the material after last section (mixing) shaft stirring to make the material stirred more evenly, thereby improve the effect and the efficiency of material aerobic fermentation.

Description

Multi-section aerobic fermentation device and method
Technical Field
The application relates to the technical field of aerobic fermentation, in particular to a multi-section aerobic fermentation device and method.
Background
The organic matter aerobic fermentation is a treatment technology which decomposes organic matters by using the action of aerobic thermophilic bacteria and forms substances similar to humus soil. When the aerobic fermentation is used for preparing the fertilizer, the heat generated in the metabolic process can effectively kill pathogens, parasitic ova and viruses, thereby improving the fertilizer content of the product.
In the related art, the aerobic fermentation process generally adopts stack composting, groove composting, film-covered composting, vertical stirring bin type, horizontal roller bin type and other processes.
However, the applicant finds that the composting process adopting the strip composting, the groove composting and the film covering has low efficiency or discontinuous production mode, and the odor cannot be collected and treated or has higher treatment cost; a vertical stirring bin type process is adopted, the volume of the stirring bin is small, and the stirring bin is usually less than 100 cubic meters; the horizontal roller bin type process is adopted, the stirring mode is an outer roller, the defects of low aerobic fermentation efficiency, low effective volume rate and high power consumption and manufacturing cost exist, and the process for preparing the fertilizer by aerobic fermentation needs to be improved urgently.
Disclosure of Invention
In order to realize continuous production of aerobic fermentation fertilizer preparation and effectively improve aerobic fermentation efficiency on the basis of reducing cost, the application provides a multi-section aerobic fermentation device and a multi-section aerobic fermentation method.
In a first aspect, the present application provides a multi-stage aerobic fermentation device, which adopts the following technical scheme:
the utility model provides an aerobic fermentation device of multistage formula, includes frame, stirring storehouse, actuating mechanism, rabbling mechanism and oxygen suppliment mechanism, stirring storehouse level sets firmly in the frame, and stirs storehouse axial both ends and be equipped with feed inlet and the discharge gate that is linked together with the stirring storehouse respectively, the rabbling mechanism includes two sections at least (mixing) shafts, the (mixing) shaft all rotates and sets up in the stirring storehouse, the (mixing) shaft is equipped with the paddle in succession between the axial both ends in stirring storehouse, actuating mechanism orders about each (mixing) shaft and rotates with the rotational speed of difference, oxygen suppliment mechanism is linked together and is used for providing oxygen with the stirring storehouse.
Optionally, the stirring shaft is coaxially sleeved in sequence, the length of the stirring shaft positioned outside is smaller than that of the stirring shaft positioned inside, the driving mechanism comprises hydraulic motors in one-to-one correspondence with the stirring shaft, and the hydraulic motors are in transmission connection with the stirring shaft.
Optionally, the stirring mechanism comprises a first stirring shaft, a second stirring shaft and a third stirring shaft, the first stirring shaft, the second stirring shaft and the third stirring shaft are sequentially arranged from outside to inside, the first stirring shaft, the second stirring shaft and the third stirring shaft are all in transmission connection with a same three-shaft speed reducer, and the three-shaft speed reducer is in transmission connection with three hydraulic motors.
Optionally, the stirring shaft is a hollow pipeline, and the stirring shaft is communicated with the oxygen supply mechanism, and the paddle is provided with a paddle aeration hole for communicating the stirring shaft with the stirring bin.
Optionally, the oxygen supply mechanism comprises an air distributor, and the air distributor is communicated with each stirring shaft through different channels.
Optionally, the oxygen supply mechanism includes an aerator pipe fixedly arranged in the stirring bin, and the aerator pipe is arranged below each stirring shaft.
Optionally, the paddle is spirally distributed along the axial direction of each stirring shaft, a spiral piece is arranged at one end of the stirring shaft close to the feeding hole, and the spiral piece is spirally arranged along the direction close to the discharging hole.
Optionally, an ozone gas collecting pipe is arranged on the stirring bin, and the ozone gas collecting pipe is communicated with the stirring bin.
Optionally, the stirring storehouse is vertically piled up and is equipped with a plurality ofly, and the discharge gate in the stirring storehouse that the position is last is linked together with the feed inlet in the stirring storehouse of position under, actuating mechanism, rabbling mechanism and oxygen suppliment mechanism all with stirring storehouse one-to-one, and the material moving direction in two adjacent stirring storehouses is opposite.
In a second aspect, the present application provides a multi-stage aerobic fermentation method, which adopts the following technical scheme:
a multi-stage aerobic fermentation method comprises the following steps:
s1, adding a material into a stirring bin through a feeding hole;
s2, starting a driving mechanism, wherein the driving mechanism drives each stirring shaft to rotate at different rotating speeds; meanwhile, starting the oxygen supply mechanism, and supplying oxygen to the stirring bin by the oxygen supply mechanism;
s3, each stirring shaft rotates and drives a blade to rotate so as to drive the material to move in the direction close to the discharge hole; when the material moves, the material contacts with oxygen in the stirring bin and is subjected to aerobic fermentation;
and S4, discharging the material from a discharge hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving mechanism drives each section of the stirring shaft and different rotating speeds to rotate respectively, so that the rotating speeds of the blades on each section of the stirring shaft are different; when the material is driven by the blades to move in the direction close to the discharge hole, the material stirred by the stirring shaft in the previous section can be scattered again and stirred again by the stirring shaft in the next section, so that the material is stirred more uniformly, the material is in more sufficient contact with oxygen, and the aerobic fermentation effect and efficiency of the material are improved;
2. by detecting the oxygen concentration at each section of the stirring shaft and calculating the oxygen demand at each section of the stirring shaft, the corresponding oxygen supply amount can be provided for each section of the stirring shaft through the air distributor, so that the materials at each section of the stirring shaft can be in the optimal aerobic fermentation environment, and the waste caused by excessive oxygen supply is reduced while the aerobic fermentation effect of the materials is ensured;
3. by controlling the oxygen supply amount of the aeration pipe and the blade aeration hole, the turning blade aeration and the bottom aeration can cooperate to ensure the oxygen demand of aerobic bacteria, thereby further reducing the anaerobic fermentation phenomenon.
Drawings
FIG. 1 is a schematic view of the overall structure of a multi-stage aerobic fermentation apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the embodiment of the present application after hiding the stirring bin;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is an enlarged view of section C of FIG. 2;
FIG. 6 is an enlarged view of portion D of FIG. 2;
FIG. 7 is a schematic structural diagram of the present application when it is configured as a three-stage aerobic fermentation apparatus.
Description of reference numerals: 1. a frame; 11. a pedestal; 12. a bottom frame; 121. a connecting section; 2. a stirring bin; 21. a feed inlet; 22. a discharge port; 23. a middle support frame; 231. a collar; 232. a support section; 3. a drive mechanism; 31. a hydraulic motor; 32. a three-axis speed reducer; 33. a base; 4. a stirring mechanism; 41. a section of stirring shaft; 42. a second-stage stirring shaft; 43. three stirring shafts; 44. a paddle; 441. blade aeration holes; 45. a spiral sheet; 5. an oxygen supply mechanism; 51. an air distributor; 52. an aeration pipe; 6. an ozone gas collecting pipe; 61. a communication pipe is provided.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a multi-section aerobic fermentation device. Referring to fig. 1, the multi-stage aerobic fermentation device comprises a frame 1, a stirring bin 2, a driving mechanism 3, a stirring mechanism 4 and an oxygen supply mechanism 5.
The frame 1 is fixedly arranged on the ground, and the frame 1 is used as a fixed foundation of each mechanism so as to facilitate the aerobic fermentation operation of the materials; the stirring bin 2 is horizontally and fixedly arranged on the frame 1, the stirring bin 2 is used as a place for aerobic fermentation, and materials needing aerobic fermentation are added into the stirring bin 2; the stirring mechanism 4 rotates and sets up in stirring storehouse 2, and actuating mechanism 3 sets firmly in frame 1, and actuating mechanism 3 orders about stirring mechanism 4 and rotates and make stirring mechanism 4 stir the material to make the material fully contact with oxygen, thereby guarantee the aerobic fermentation effect of material.
Referring to fig. 1 and 2, the frame 1 includes a shaft frame 11 and a base frame 12, and the shaft frame 11 and the base frame 12 may be welded by steel materials. Wherein the bottom frame 12 is horizontally arranged, and the bottom frame 12 comprises a plurality of rectangular frames; the plurality of rectangular frames are distributed in a linear array and are fixedly connected with each other. The shaft bracket 11 can be in an isosceles trapezoid structure, and the shaft bracket 11 is vertically arranged on one side of the bottom frame 12 far away from the ground; the big end of the shaft bracket 11 is one end close to the bottom frame 12, and the small end of the shaft bracket 11 is one end far away from the bottom frame 12. The shaft brackets 11 are provided at both ends of the base frame 12 in the longitudinal direction.
Referring to fig. 1 and 2, the stirring bin 2 is a cylindrical housing, and the stirring bin 2 is horizontally fixed between two shaft brackets 11. A plurality of connecting sections 121 are fixed between the bottom frame 12 and the outer side wall of the stirring bin 2, and the connecting sections 121 are all arranged on the cross section of the stirring bin 2; the connecting section 121 enables the frame 1 to form a good support for the stirring chamber 2. The axial both ends in stirring storehouse 2 are equipped with feed inlet 21 and discharge gate 22 that are linked together with stirring storehouse 2 respectively, and the vertical setting of feed inlet 21 is in the one side of stirring storehouse 2 keeping away from ground, and the vertical setting of discharge gate 22 is in the one side that stirring storehouse 2 is close to ground. Materials can be added into the stirring bin 2 through the feeding hole 21, and the materials in the stirring bin 2 can be discharged through the discharging hole 22.
Referring to fig. 2 and 3, the stirring mechanism 4 includes at least two stirring shafts, and each stirring shaft is a hollow pipeline; this embodiment is described by taking three stages as an example, that is, in this embodiment, the stirring mechanism 4 includes a first stirring shaft 41, a second stirring shaft 42 and a third stirring shaft 43. The first stirring shaft 41, the second stirring shaft 42 and the third stirring shaft 43 are sequentially sleeved from outside to inside, and each section of stirring shaft is coaxial with the stirring bin 2. The lengths of the first-stage stirring shaft 41, the second-stage stirring shaft 42 and the third-stage stirring shaft 43 are sequentially increased, the length of the second-stage stirring shaft 42 can be twice that of the first-stage stirring shaft 41, the length of the third-stage stirring shaft 43 can be three times that of the first-stage stirring shaft 41, and two ends of the third-stage stirring shaft 43 extend out of the stirring bin 2; meanwhile, the ends of the first stirring shaft 41, the second stirring shaft 42 and the third stirring shaft 43 close to the feed port 21 are flush.
Each section of stirring shaft is rotatably arranged between two shaft brackets 11, and the end of the stirring bin 2 far away from the flat end of the first section of stirring shaft 41 and the end of the second section of stirring shaft 42 far away from the flat end of the second section of stirring shaft 42 are respectively provided with an intermediate support frame 23 for supporting the first section of stirring shaft 41 or the second section of stirring shaft 42. The middle support frame 23 comprises a lantern ring 231 sleeved on the end part of the first-stage stirring shaft 41 or the second-stage stirring shaft 42 and a support section 232 fixed between the lantern ring 231 and the inner side wall of the stirring bin 2; in this embodiment, three support segments 232 are provided at equal intervals along the circumferential direction of the collar 231. More specifically, the first stirring shaft 41 is rotatably disposed between the intermediate support frame 23 near the inlet port 21 and the shaft frame 11 near the inlet port 21, the second stirring shaft 42 is rotatably disposed between the intermediate support frame 23 near the outlet port 22 and the shaft frame 11 near the inlet port 21, and the third stirring shaft 43 is rotatably disposed between the two shaft frames 11.
Referring to fig. 1 and 2, the first stirring shaft 41, the second stirring shaft 42 and the third stirring shaft 43 are continuously provided with blades 44 between two ends of the stirring bin 2 in the axial direction. At this moment, each section (mixing) shaft constitutes different stirring structures with the paddle 44 that sets up on it, when each section (mixing) shaft rotates, can order about each section epaxial paddle 44 of stirring and all take place to rotate to each position that makes the material can stir 2 interior all is stirred. Simultaneously, all the paddle 44 on each section of (mixing) shaft is the spiral distribution along the axis of stirring storehouse 2, and has radial and axial minute angle between the paddle 44 to still form the promotion to the material when making each stirring structure stir the material, thereby make the material can follow feed inlet 21 and remove to discharge gate 22.
In order to make the material move along the direction close to the discharge port 22 more easily and make the material not easy to agglomerate when being put into the stirring bin 2, a helical fin 45 is fixed at one end of the stirring shaft 41 close to the feed port 21, and the helical fin 45 is arranged along the direction close to the discharge port 22. When the stirring shaft 41 rotates, the blades 44 and the spiral blades 45 on the stirring shaft can be driven to rotate simultaneously; by the aid of the spiral piece 45, materials are stirred and dispersed more easily when being added into the stirring bin 2.
Referring to fig. 2 and 4, the driving mechanism 3 includes hydraulic motors 31, and the hydraulic motors 31 correspond to the stirring shafts one by one, that is, three hydraulic motors 31 are provided in the embodiment; the three hydraulic motors 31 are all connected with the hydraulic station, and the three hydraulic motors 31 are all connected with the same three-shaft speed reducer 32 in a transmission manner; the three-axis speed reducer 32 is in transmission connection with each section of the stirring shaft, and the three-axis speed reducer 32 is fixed on the bottom frame 12 through a base 33. By controlling the hydraulic oil flow of each hydraulic motor 31, the three hydraulic motors 31 can respectively drive the section stirring shafts corresponding to the three hydraulic motors to rotate at different rotating speeds. The control mode of the hydraulic oil flow can be a program automatic control mode. When the material gets into stirring storehouse 2 from feed inlet 21 in, and the material moves along the direction that is close to discharge gate 22 under the drive of paddle 44 and flight 45, next section (mixing) shaft 41 can break up the material after the stirring of last section (mixing) shaft 41 again and stir once more to make the material stirred more evenly, thereby make the contact that material and oxygen are more abundant, and then improve the effect and the efficiency of material aerobic fermentation.
Referring to fig. 2 and 5, the blades 44 on each stirring shaft are provided with blade aeration holes 441 communicated with the stirring shaft, and the blade aeration holes 441 are arranged at equal intervals along the axial direction of the blades 44. Through to each (mixing) shaft input compressed air to loop through (mixing) shaft and paddle aeration hole 441 with compressed air send into stirring storehouse 2, can strengthen the contact effect of material and oxygen when paddle 44 stirs the material, thereby with the aerobic fermentation effect that improves the material.
Referring to fig. 2 and 6, the oxygen supply mechanism 5 includes an air distributor 51 and an aeration tube 52. The air distributor 51 is fixed on the shaft bracket 11 near the discharge port 22, and the air distributor 51 is communicated with each stirring shaft by different air inlet pipelines. Through detecting the oxygen concentration to each section (mixing) shaft department to calculate the oxygen demand of each section (mixing) shaft department, can provide corresponding oxygen supply volume to each section (mixing) shaft respectively through air distributor 51, so that the material of each section (mixing) shaft department all can be in the best good oxygen fermentation environment, when guaranteeing material good oxygen fermentation effect, has reduced the waste that the oxygen supply is excessive to cause.
Referring to fig. 1, the aeration pipes 52 are disposed along the axial direction of the stirring bin 2, and a plurality of aeration pipes 52 are fixed to the inner side wall of the stirring bin 2. The aeration pipes 52 are all arranged below the stirring shafts, and the number of the arranged groups of the aeration pipes 52 is the same as the number of the stages of the stirring shafts. The part of the aeration pipe 52 in the stirring bin 2 is provided with a perforation communicated with the stirring bin 2, so that the aeration pipe 52 is another pipeline for supplying compressed air to the stirring bin 2. The oxygen supply amount of the aeration pipe 52 and the blade aeration holes 441 is controlled, so that the aeration pipe and the blade aeration holes can cooperate to ensure the oxygen demand of aerobic bacteria; by adopting the mode of combining the aeration of the turning and throwing paddle 44 and the bottom aeration, the anaerobic fermentation phenomenon can be further reduced.
Referring to fig. 1, one side of the stirring bin 2 far away from the ground is provided with an ozone collecting pipe 6. The ozone gas collecting pipe 6 is arranged along the axial direction of the stirring bin 2, and the ozone gas collecting pipe 6 is communicated with the stirring bin 2 through a plurality of communicating pipes 61. After the ozone that the material produced when stirring storehouse 2 interior aerobic fermentation floats, get into ozone gas collecting pipe 6 through communicating pipe 61 in, discharge to ozone treatment device department and handle, it is more convenient that exhaust-gas treatment.
Referring to fig. 7, further, the stirring bin 2 can be longitudinally piled up three times to form a three-stage and three-stage aerobic fermentation device. At this moment, the racks 1 are correspondingly provided with three groups, and each group of racks 1 is fixedly connected with each other. The feed inlet 21 of the lower stirring bin 2 is communicated with the discharge outlet 22 of the upper stirring bin 2, so that the materials after aerobic fermentation in the previous step can enter the stirring bin 2 in the next step. Meanwhile, the driving mechanism 3, the stirring mechanism 4 and the oxygen supply mechanism 5 are in one-to-one correspondence with the stirring bins 2, and the material moving directions of the two adjacent stirring bins 2 are opposite, so that the material entering the next-step stirring bin 2 can be subjected to aerobic fermentation again until the material is discharged from the discharge port 22 of the bottommost stirring bin 2. In this arrangement, three sets of ozone headers 6 are also provided accordingly. The material after three-stage aerobic fermentation can realize the optimal aeration quantity and mixing state, thereby achieving the purposes of improving the production efficiency and saving energy.
The implementation principle of the multi-section aerobic fermentation device in the embodiment of the application is as follows: in adding stirring storehouse 2 through feed inlet 21 with the material earlier, then order about the (mixing) shaft of being connected rather than the transmission through each hydraulic motor 31 and rotate to through the hydraulic oil flow of controlling each hydraulic motor 31, make three hydraulic motor 31 order about each section (mixing) shaft respectively and rotate with the rotational speed of difference. When the stirring shaft rotates, the blades 44 and the spiral sheets 45 on the stirring shaft can stir and push the materials, so that the materials can move from the feeding hole 21 to the discharging hole 22 in the stirring bin 2; meanwhile, compressed air is sequentially input to each stirring shaft and the blades 44 fixed on the stirring shafts through the air distributor 51, so that the materials are fully contacted with oxygen in the process of stirring the materials by the blades 44; moreover, the oxygen concentration supplied to each stirring shaft is controlled by the air distributor 51, so that the materials at each stirring shaft section can be in the optimal aerobic fermentation environment on the premise of reducing waste caused by excessive supply of oxygen. Then, oxygen is introduced into the stirring bin 2 through the aeration pipe 52 below each section of stirring shaft by using another oxygen supply line, and the oxygen supply amount of the material at each section of stirring shaft is ensured by reasonably controlling the oxygen supply amount of the air distributor 51 and the aeration pipe 52, so that the anaerobic fermentation phenomenon is reduced. After floating upwards in the stirring bin 2, ozone generated by aerobic fermentation of the material enters the ozone gas collecting pipe 6 through the communicating pipe 61 and enters subsequent processes for treatment.
The embodiment of the application also discloses a multi-section aerobic fermentation method, which comprises the following steps:
s1, adding a material into a stirring bin 2 through a feeding hole 21;
s2, starting the hydraulic motors 31, and enabling the hydraulic motors 31 to drive the stirring shafts to rotate at different rotating speeds by controlling the flow of hydraulic oil of the hydraulic motors 31; meanwhile, compressed air with different concentrations is input into each stirring shaft through an air distributor 51, and oxygen is supplied into the stirring bin 2 through an aeration pipe 52 serving as another oxygen supply line;
s3, each stirring shaft rotates and drives the blades 44 and the spiral sheets 45 on each stirring shaft to rotate so as to drive the materials to move in the direction close to the discharge port 22; when the material moves, the material contacts with oxygen in the stirring bin 2 and is subjected to aerobic fermentation;
s4, discharging the materials from a discharge hole 22;
s5, the materials enter the stirring bin 2 at the lower position through the feeding hole 21 of the stirring bin 2 at the lower position, and the aerobic fermentation process of the S1-S4 is repeated until the processing requirement is met.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1.一种多段式好氧发酵装置,其特征在于:包括机架(1)、搅拌仓(2)、驱动机构(3)、搅拌机构(4)和供氧机构(5),所述搅拌仓(2)水平固设于机架(1)上,且搅拌仓(2)轴向两端分别设有与搅拌仓(2)相连通的进料口(21)和出料口(22),所述搅拌机构(4)包括至少两段搅拌轴,所述搅拌轴均转动设置在搅拌仓(2)内,所述搅拌轴在搅拌仓(2)轴向的两端之间连续设有桨叶(44),所述驱动机构(3)驱使各搅拌轴以不同的转速转动,所述供氧机构(5)与搅拌仓(2)相连通且用于提供氧气。1. a multistage aerobic fermentation device, is characterized in that: comprise frame (1), mixing chamber (2), driving mechanism (3), stirring mechanism (4) and oxygen supply mechanism (5), described stirring The bin (2) is fixed horizontally on the frame (1), and the two ends of the mixing bin (2) in the axial direction are respectively provided with a feeding port (21) and a feeding port (22) connected with the mixing bin (2). , the stirring mechanism (4) includes at least two stirring shafts, the stirring shafts are all rotatably arranged in the stirring chamber (2), and the stirring shafts are continuously arranged between the two axial ends of the stirring chamber (2) The paddle (44), the driving mechanism (3) drives the stirring shafts to rotate at different speeds, and the oxygen supply mechanism (5) communicates with the stirring chamber (2) and is used for supplying oxygen. 2.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述搅拌轴依次同轴套设,且位置在外的搅拌轴长度小于位置在内的搅拌轴长度,所述驱动机构(3)包括与搅拌轴一一对应的液压马达(31),所述液压马达(31)与搅拌轴均传动连接。2. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the stirring shafts are coaxially sleeved successively, and the length of the stirring shaft outside the position is smaller than the length of the stirring shaft inside the position, and the driving mechanism (3) It includes a hydraulic motor (31) corresponding to the stirring shaft one by one, and the hydraulic motor (31) is connected to the stirring shaft through transmission. 3.根据权利要求2所述的多段式好氧发酵装置,其特征在于:所述搅拌机构(4)包括一段搅拌轴(41)、二段搅拌轴(42)和三段搅拌轴(43),所述一段搅拌轴(41)、二段搅拌轴(42)和三段搅拌轴(43)由外到内依次设置,所述一段搅拌轴(41)、二段搅拌轴(42)和三段搅拌轴(43)均传动连接有同一个三轴减速机(32),所述三轴减速机(32)与三个液压马达(31)均传动连接。3. The multi-stage aerobic fermentation device according to claim 2, characterized in that: the stirring mechanism (4) comprises a one-stage stirring shaft (41), a second-stage stirring shaft (42) and a three-stage stirring shaft (43) , the one-stage stirring shaft (41), the second-stage stirring shaft (42) and the three-stage stirring shaft (43) are arranged sequentially from outside to inside, and the one-stage stirring shaft (41), the second-stage stirring shaft (42) and the three-stage stirring shaft The same three-axis speed reducer (32) is connected to each of the stirring shafts (43) in the section, and the three-axis speed reducer (32) is connected to the three hydraulic motors (31) through transmission. 4.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述搅拌轴均为中空管道,且搅拌轴与供氧机构(5)相连通,所述桨叶(44)设有连通搅拌轴与搅拌仓(2)的桨叶曝气孔(441)。4. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the stirring shafts are all hollow pipes, and the stirring shafts communicate with the oxygen supply mechanism (5), and the paddles (44) are provided with There are paddle aeration holes (441) connecting the stirring shaft and the stirring chamber (2). 5.根据权利要求4所述的多段式好氧发酵装置,其特征在于:所述供氧机构(5)包括空气分配器(51),所述空气分配器(51)通过不同的通道与各搅拌轴相连通。5. The multi-stage aerobic fermentation device according to claim 4, characterized in that: the oxygen supply mechanism (5) includes an air distributor (51), and the air distributor (51) communicates with each The stirring shaft is connected. 6.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述供氧机构(5)包括固设于搅拌仓(2)内的曝气管(52),所述曝气管(52)设在各搅拌轴的下方。6. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the oxygen supply mechanism (5) includes an aeration pipe (52) fixed in the mixing chamber (2), and the aeration Tubes (52) are provided below each stirring shaft. 7.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述桨叶(44)沿各搅拌轴的轴向呈螺旋分布,所述搅拌轴靠近进料口(21)的一端设有螺旋片(45),所述螺旋片(45)沿靠近出料口(22)的方向螺旋设置。7. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the paddles (44) are helically distributed along the axial direction of each stirring shaft, and the stirring shaft is close to the side of the feed inlet (21). One end is provided with a helical piece (45), and the said helical piece (45) is helically arranged in a direction close to the discharge port (22). 8.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述搅拌仓(2)上设有臭氧集气管(6),所述臭氧集气管(6)与搅拌仓(2)相连通。8. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the stirring chamber (2) is provided with an ozone collecting pipe (6), and the ozone collecting pipe (6) is connected with the stirring chamber (2) ) are connected. 9.根据权利要求1所述的多段式好氧发酵装置,其特征在于:所述搅拌仓(2)纵向堆设有多个,位置在上的搅拌仓(2)的出料口(22)与位置在下的搅拌仓(2)的进料口(21)相连通,所述驱动机构(3)、搅拌机构(4)和供氧机构(5)均与搅拌仓(2)一一对应,且相邻两个搅拌仓(2)的物料移动方向相反。9. The multi-stage aerobic fermentation device according to claim 1, characterized in that: the mixing bin (2) is vertically stacked with a plurality of outlets (22) of the upper mixing bin (2) It communicates with the feeding port (21) of the stirring chamber (2) at the bottom, and the driving mechanism (3), stirring mechanism (4) and oxygen supply mechanism (5) all correspond to the stirring chamber (2) one by one, And the moving directions of materials in two adjacent mixing bins (2) are opposite. 10.一种多段式好氧发酵方法,其特征在于:包括以下步骤:10. A multistage aerobic fermentation method, characterized in that: comprising the following steps: S1.通过进料口(21)将物料添加至如权利要求1-9任一所述的搅拌仓(2)内;S1. material is added into the stirring bin (2) as described in any one of claims 1-9 by feed port (21); S2.启动驱动机构(3),驱动机构(3)驱使各搅拌轴以不同的转速转动;同时,启动供氧机构(5),供氧机构(5)向搅拌仓(2)内供给氧气;S2. Start the drive mechanism (3), and the drive mechanism (3) drives the stirring shafts to rotate at different speeds; at the same time, start the oxygen supply mechanism (5), and the oxygen supply mechanism (5) supplies oxygen to the mixing chamber (2); S3.各搅拌轴转动并带动桨叶(44)转动,以驱使物料沿靠近出料口(22)的方向运动;物料运动时与搅拌仓(2)内的氧气相接触并进行好氧发酵;S3. Each stirring shaft rotates and drives the blades (44) to rotate, so as to drive the material to move in a direction close to the discharge port (22); when the material moves, it contacts with the oxygen in the mixing chamber (2) and performs aerobic fermentation; S4.物料从出料口(22)排出。S4. The material is discharged from the discharge port (22).
CN202111193215.6A 2021-10-13 2021-10-13 Multi-section aerobic fermentation device and method Pending CN115959936A (en)

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