CN111848234A - Kitchen waste aerobic composting device with multi-return structure and aerobic fermentation method - Google Patents

Kitchen waste aerobic composting device with multi-return structure and aerobic fermentation method Download PDF

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Publication number
CN111848234A
CN111848234A CN202010711337.9A CN202010711337A CN111848234A CN 111848234 A CN111848234 A CN 111848234A CN 202010711337 A CN202010711337 A CN 202010711337A CN 111848234 A CN111848234 A CN 111848234A
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cylinder
wall
middle cylinder
aerobic
return
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高东明
黄志刚
田斌
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Beijing Technology and Business University
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Beijing Technology and Business University
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F9/00Fertilisers from household or town refuse
    • C05F9/02Apparatus for the manufacture
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F9/00Fertilisers from household or town refuse
    • C05F9/04Biological compost
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a kitchen waste aerobic composting device with a multi-return structure and an aerobic fermentation method. The device includes transmission system, many return strokes cabin, air feed pressurization system, kitchen garbage is in inside many return strokes cabin, transmission system is connected and provides power with many return strokes cabin, air feed pressurization system is connected with many return strokes cabin. Aiming at the problems of large occupied area and long aerobic fermentation time of aerobic composting by adopting a strip stack type and a fermentation bin type in the prior art, the invention can greatly save space and accelerate the completion of aerobic fermentation by adopting a systematic integrated structural design, so that the aerobic composting device has high-efficiency operation efficiency and good applicability to various kitchen wastes.

Description

Kitchen waste aerobic composting device with multi-return structure and aerobic fermentation method
Technical Field
The invention relates to the technical field of kitchen waste composting, in particular to a kitchen waste aerobic composting device with a multi-return structure and an aerobic fermentation method.
Background
The materials of the aerobic fermentation compost are derived from organic components in household garbage and kitchen garbage, and the household garbage and the kitchen garbage need to be pretreated, and then organic materials are extracted for composting. Composting is the process of converting organic matter into fertilizer under artificial control and under certain moisture content and ventilation conditions through the fermentation of microorganisms. In the composting process, organic matters are converted from an unstable state into stable humus substances, which do not harm the environment, particularly the soil environment, and the product of composting is called nutrient soil. The use of aerobic microorganisms under aerobic conditions is called "aerobic composting". Under the action of a large amount of microorganisms, the garbage aerobic compost enables the garbage to be subjected to biotransformation and oxidative decomposition. After the oxidation and decomposition, the main components except carbon dioxide and water are nitrate, sulfate and other oxidation end products; the chemical property is stable, and biochemical decomposition is not carried out any more; the oxidative decomposition process is carried out quickly and can be completed within a few days under proper conditions. The final product is sanitary without peculiar smell.
The aerobic fermentation composting device and the aerobic fermentation method are very important for the treatment of the kitchen waste and are applied to a certain extent. However, the conventional aerobic composting adopting a strip stack type and a fermentation bin type mainly has the problems of large occupied area and long aerobic fermentation time, and the development of the kitchen waste aerobic composting technology and industry is severely limited due to the problems.
Disclosure of Invention
Aiming at the problems of large occupied area and long aerobic fermentation time of aerobic composting by adopting a strip pile type and a fermentation bin type in the prior art, the invention provides a multi-return-stroke type aerobic composting device and method, which can greatly save space and accelerate the completion of aerobic fermentation.
The technical scheme adopted by the invention is as follows:
the utility model provides a kitchen garbage aerobic composting device with many return strokes structure, includes transmission system, many return strokes cabin, air feed pressurization system, kitchen garbage is in inside many return strokes cabin, transmission system is connected and provides power with many return strokes cabin, air feed pressurization system is connected with many return strokes cabin.
The technical scheme of the invention also comprises the following auxiliary schemes:
the multi-return cabin comprises a feeding port, a V-shaped fork, an outer cylinder, a middle cylinder, an inner cylinder, a middle shaft and a bottom grate plate, wherein the central shafts of the outer cylinder and the inner cylinder are superposed with the middle shaft, the rotation directions of the middle shaft and the inner cylinder are opposite, the middle cylinder is fixed, and the inner cylinder, the middle cylinder and the outer cylinder synchronously rotate and synchronously convey garbage.
The middle shaft is characterized in that a reverse helical blade perpendicular to the axial direction is arranged on the outer surface of the middle shaft, an inner cylinder feeding port is formed in the upper end of the inner cylinder, a forward helical blade perpendicular to the axial direction is arranged on the outer wall of the inner cylinder, outer cylinder stirring teeth are arranged on the inner wall of the outer cylinder, the middle cylinder is of a double-layer structure with the inner wall and the outer wall, a middle cylinder cap is fixedly connected to the upper portion of the inner wall of the middle cylinder and the upper portion of the outer wall of the middle cylinder, middle cylinder stirring teeth are arranged on the outer.
The transmission mechanism comprises a base, a shaft sleeve, a wheel shaft, a support, a first rotary bearing, a second rotary bearing, a connecting frame, a sun gear, a planet gear and a planet gear carrier.
The V-shaped fork is fixed above the first rotary bearing, the support is fixed on the base, the first rotary bearing is fixed above the support, the planet wheel, the sun wheel and the inner side gear ring of the inner ring of the second rotary bearing are installed in a matched mode, the sun wheel is meshed with the planet wheel, and the planet wheel is meshed with the planet wheel carrier.
The air supply pressurization system comprises a sealing cover, a fan, an air compressor and a cylinder wall grate plate.
The aerobic fermentation method of kitchen waste with a multi-return structure is characterized in that oxygen required by aerobic fermentation is provided by an air supply pressurization system, air enters a fan from an air inlet end, and an air outlet end of the fan penetrates through the outer wall and the inner wall of a middle cylinder to provide air to a cavity in the inner wall of the middle cylinder.
In the place where the air at the middle lower part of the device is difficult to naturally arrive, the air with certain pressure is sent out by the high pressure of the air compressor and is diffused to the inner side of the inner wall of the middle cylinder through the cylinder wall grate plate arranged at the middle lower part of the inner wall of the middle cylinder.
Compared with the prior art, the invention has the following advantages:
firstly, the multi-return structure in the technical scheme of the invention adopts a circulating structure for kitchen garbage, so that the occupied space is obviously reduced, the device at least comprises more than two aerobic fermentation processes, and the treatment efficiency is improved. The path arrangement for continuously moving and fermenting the materials in the S-shaped route can ensure that the heat generated by the microorganisms in the aerobic composting process can be reasonably utilized in different composting stages, and the energy consumption of composting is reduced. The fermentation container with the S-shaped route for continuous moving fermentation can increase the weight of compost in the container per unit volume and reduce the occupied area of the whole aerobic composting device.
Secondly, due to the systematic integrated structural design in the technical scheme, the garbage treatment system has high operating efficiency and good applicability to various kitchen garbage. Transmission system and material transport fermenting installation all stir around the kitchen garbage of an axle center gyration many times, carry, fermentation integrative design for no matter the material is in the fermentation transportation process intermittent type operation or continuous operation, inside material all can the synchronous motion, and the coordinated transport avoids appearing the jam or the idle running that unsynchronized leads to between rubbish from cooking input and the product output, thereby is showing and is improving operating efficiency. On the other hand, the technical scheme can be flexibly used for intermittent operation when the garbage amount is small and continuous operation when the garbage amount is large, so that the practicability of the method is better than that of the traditional treatment method.
Drawings
FIG. 1 is an overall configuration diagram of the apparatus
FIG. 2 is a cross-sectional view of the device
FIG. 3 is a schematic view of the structure of the middle tube
FIG. 4 is a multi-stage water bath temperature regulating pipeline
FIG. 5 shows a microbial transition device
FIG. 6 is a cross-sectional view of a transition device
FIG. 7 is a schematic view showing the number of microorganisms in the aerobic composting process
Fig. 8 is a schematic view of an upper transmission component.
Detailed Description
Referring to fig. 1, the aerobic composting device for the multi-return kitchen waste comprises a transmission system, a multi-return cabin 02 and an air supply pressurization system, wherein the device is integrally arranged above a base body base 01, the kitchen waste is located in the multi-return cabin 02, the aerobic composting device further comprises a microorganism transition device, the microorganism transition device is located in the multi-return cabin 02, the transmission system is connected with the multi-return cabin 02 and provides power, and the air supply pressurization system is connected with the multi-return cabin 02. The multi-return structure enables kitchen waste materials to move along the S-shaped route to continuously move and ferment the setting route, so that heat generated by microorganisms in the aerobic composting process can be reasonably utilized in different composting stages, and the composting energy consumption is reduced. The fermentation container with the S-shaped route for continuous moving fermentation can improve the weight of compost in the container per unit volume, reduce the occupied area of the whole aerobic composting device and improve the treatment efficiency.
Referring to fig. 2 and 3, the multi-pass cabin 02 includes a feeding port 06, a V-shaped fork 021, an outer cylinder 022, a middle cylinder, an inner cylinder 031, a middle shaft 034 and a bottom grate plate 081, central shafts of the outer cylinder 022 and the inner cylinder 031 coincide with the middle shaft 034, the rotation directions of the middle shaft 034 and the inner cylinder 031 are opposite, the middle cylinder is fixed, and synchronous conveying of garbage is realized while the inner cylinder 031, the middle cylinder and the outer cylinder 022 synchronously rotate.
The axis 034 surface is equipped with the anti-helical blade 035 of perpendicular to axial, inner tube 031 upper end is equipped with inner tube feed inlet 032, inner tube 031 outer wall is equipped with perpendicular to axial positive helical blade 033, there is urceolus stirring tooth 023 on the urceolus 022 inner wall, well section of thick bamboo is the bilayer structure of inner wall and outer wall, well section of thick bamboo inner wall 077 with section of thick bamboo cap 045 in section of thick bamboo outer wall 075 top fixed connection, well section of thick bamboo stirring tooth 074 has on the section of thick bamboo outer wall 075, well section of thick bamboo bottom is equipped with well section of thick bamboo feed inlet 073.
The transmission mechanism comprises a base 011, a shaft sleeve 012, a wheel shaft 013, a support 014, a first rotary bearing, a second rotary bearing, a connecting frame, a sun gear 044, planet gears 043 and a planet gear carrier 042.
V-arrangement fork 021 is fixed to first slew bearing's top, is fixed on the base 011 and is being had support 014, is fixed first slew bearing in support 014's top, and the inboard ring gear cooperation installation of planet wheel 043 and sun gear 044 and second slew bearing inner circle, sun gear 044 and planet wheel 043 intermeshing, affiliated planet wheel 043 and planet wheel carrier 042 intermeshing each other.
Referring to fig. 4 to 6, the microorganism transition device is located at the middle and upper portions of the middle cylinder, and includes a water bath pipe 076, a radiation groove 078, and a transition pipe 079.
Referring to fig. 7, the microbes in the middle and later stages of the fermentation of the previous material can be transferred to the early stage of the fermentation of the subsequent material by the design of the microbe transfer mechanism, so that the microbial biomass in the early stage of the fermentation can be greatly increased, and the aerobic fermentation process can be accelerated.
The water bath pipeline 076 comprises a plurality of temperature section water bath pipelines, and can realize the length adjustment of the water bath pipelines in different temperature sections and the length adjustment of the pipelines in uniform temperature sections; the radiation grooves 078 are broken lines or curved lines, and all the radiation grooves 076 are connected with the outer edge of the transition pipeline 079.
The water bath pipeline 079 is arranged between the middle barrel outer wall 075 and the middle barrel inner wall 077, and the outer surface of the transition pipeline 079 penetrates through the water bath pipeline 076.
The cross-sectional area of the radiation groove 078 is larger than that of a plant of a microorganism, the transition pipeline 079 is a porous channel, and the transition pipeline passes through the inner wall 077 of the middle cylinder and the outer wall 075 of the middle cylinder through the water bath pipeline 078 and is communicated with the two sides of the inner wall 077 of the middle cylinder and the outer wall 075 of the middle cylinder.
The air supply pressurization system comprises a sealing cover 03, a fan 061, an air compressor 062 and a cylinder wall grate plate 082.
The main system is further explained in detail below.
An annular flange 071 with a plurality of threaded holes is fixedly connected with a first rotary bearing inner ring 015, the flange 071 is fixedly connected with a bottom grate plate 081 through a plurality of circumferentially distributed columns, the outer side of the bottom grate plate 081 is fixed with an upturned annular tongue 072, a middle cylinder outer wall 075 and a middle cylinder inner wall 077 are fixed above the joint of the bottom grate plate 081 and the annular tongue 072, a water bath pipeline 076 is arranged between the middle cylinder outer wall 075 and the middle cylinder inner wall 077, a plurality of middle cylinder feed inlets 073 are arranged at the lower ends of the middle cylinder outer wall 075 and the middle cylinder inner wall 077 in the circumferential direction, a plurality of middle cylinder stirring teeth 074 are arranged in the middle of the middle cylinder outer wall 075, a plurality of feed inlets 06 are arranged at the upper part of the outer side of the middle cylinder outer wall 075, and a perforated grate plate 082 is arranged at.
The outer circumference of the first slewing bearing outer ring 016 is in an external gear type, the outer ring of the V-shaped fork 021 is fixed above the first slewing bearing outer ring 016, the outer ring of the V-shaped fork 021 is fixedly connected with the outer barrel 022 at the upper part, the inner ring and the outer ring of the V-shaped fork 021 are nested with the annular tongue 072, and a plurality of outer barrel stirring teeth 023 are fixed on the inner side of the outer barrel 022.
The middle cylinder outer wall 075 and the upper portion of the middle cylinder inner wall 077 are fixedly connected with a middle cylinder cap 045, the upper edge of the middle cylinder cap 045 is fixedly connected with a second rotary bearing outer ring 038, the second rotary bearing outer ring 038 is fixedly connected with a motor shaft seat 040 and a planet wheel carrier 042 through a connecting frame 039, a gear ring is arranged on the inner side of the second rotary bearing inner ring 037, a motor 041 is fixedly connected with the motor shaft seat 040, a shaft of the motor 041 can freely rotate inside the motor shaft seat 040, a sun wheel 044 is arranged on the shaft of the motor 041, the planet wheel 043 and the sun wheel 044 are installed in a matched mode with the gear ring on the inner side of the second rotary bearing inner ring 037, the shaft of the motor 041 is connected with the middle shaft 034 through a coupler, and a.
Inner tube 031 is being connected firmly to the below of second slewing bearing inner circle 037, the upper portion of inner tube 031 is equipped with a plurality of inner tube feed inlet 032, the outside is equipped with positive helical blade 033, the lower part constraint of inner tube 031 is in the inside of support 014 and can freely rotate, big band pulley 036 is installed to the lower part outside of inner tube 031, axle sleeve 012 is fixed on base 011, shaft 013 installs on axle sleeve 012 and can freely rotate, little band pulley 017 installs on axle 013 through the key-type connection, gear 018 installs on axle 013 through the key-type connection, big band pulley 036 and little band pulley 017 install in the same plane and through the belt transmission, little band pulley 017 and the outside gear engagement of first slewing bearing outer lane 016.
The air inlet end of the fan 061 is communicated with the atmosphere outside the device, the air outlet end of the fan 061 penetrates through the cavity communication between the middle cylinder outer wall 075 and the middle cylinder inner wall 077, the lower edge of the sealing cover 03 is closely attached to the upper edge of the middle cylinder cap 045, and the high-pressure air outlet of the air compressor 062 is diffused from the cylinder wall grate plate 082 to the inner side of the middle cylinder inner wall 077 through the gap between the middle cylinder outer wall 075 and the middle cylinder inner wall 077.
The working process of the multi-return-process aerobic composting device for the kitchen waste is as follows:
the material gets into the space between well section of thick bamboo outer wall 075 and the 022 urceolus through feed inlet 06, falls to the inner circle of V-arrangement fork 021 on through the stirring of urceolus stirring tooth 023 and well section of thick bamboo stirring tooth 074, and the steeper slope of inner circle of V-arrangement fork 021 is convenient for the material to get into well section of thick bamboo inner wall 077 inside through well section of thick bamboo feed inlet 073, and the nested installation of the inner circle outer lane and the annular tongue 072 of V-arrangement fork 021 is used for preventing the material from omitting through the gap. After the material enters the inner side of the inner wall 077 of the middle cylinder, redundant moisture in the material leaks out through the bottom grate plate 081 with a hole formed at the lower end of the inner wall 077 of the middle cylinder, the residual material is subjected to aerobic fermentation and is lifted upwards under the action of the friction force difference between the positive helical blades 033 and the inner wall 077 of the middle cylinder, the residual material is lifted to the top and enters the inner part of the inner cylinder 031 through the feed inlet 032 of the inner cylinder, and the residual material is conveyed to the bottom outlet of the inner cylinder 031 and is discharged from the top of the inner cylinder 031 under the action of the reverse helical blades 035.
Referring to fig. 8, in the process of conveying materials, a motor 041 drives a middle shaft 034 in a motor shaft seat 040 to rotate, a sun gear 044 on the middle shaft drives a planet gear 043 to rotate in situ, the planet gear 043 drives a second slewing bearing inner ring 037 to rotate in reverse, the slewing bearing inner ring 037 drives an inner cylinder 031 fixedly connected with the slewing bearing inner ring to rotate, the rotating inner cylinder 031 drives a large belt wheel 036 at the bottom of the inner cylinder to rotate, the large belt wheel 036 drives a small belt wheel 017 to rotate through a belt, the small belt wheel 017 drives a coaxial gear 018 to rotate, the gear 018 drives a first slewing bearing outer ring 016 meshed with the gear 018 to rotate, and the first slewing bearing outer ring 016 drives a 022 outer cylinder fixedly connected with the first slewing bearing outer ring 016 to.
The microbial transition and the biological safety control in the aerobic fermentation process are completed by a microbial transition system, and the specific process comprises the following steps:
the number of microorganisms in the material in the middle and later stages of aerobic fermentation is large, the material is just in the middle and upper parts of the inner wall 077 of the middle cylinder at the moment, a plurality of radial grooves 078 which are radially expanded from the center to the periphery are distributed on the inner wall 077 of the middle cylinder, the cross-sectional areas of the grooves are larger than the cross-sectional areas of plants of the microorganisms and are used for inhabitation of the microorganisms, the arrangement can ensure that a certain number of microorganisms cannot be taken away along with the material by the positive helical blades 033, and the left microorganisms penetrate through the inner wall 077 of the middle cylinder and the outer wall 075 of the middle cylinder through porous channels in the transition pipeline 079 through the water bath pipeline 076 and enter between the outer cylinder 022 and the outer wall 075 of the middle cylinder, so that the number of the microorganisms. When these microorganisms need to be killed, the water bath temperature is increased to the high temperature at which the microorganisms are killed, and because the water bath pipeline 076 is closely attached to the inner wall 077 of the middle cylinder, the outer wall 075 of the middle cylinder, the radiation groove 078 and the transition pipeline 079, the microorganisms in the middle cylinder and the transition device can be effectively killed under the conduction of high-temperature heat, and the biological safety can be effectively controlled.
The oxygen required by aerobic fermentation is provided by a gas supply pressurization system, and the specific process is as follows:
the air gets into the fan by the air inlet end of fan 061, and the air-out end of fan 061 passes well section of thick bamboo outer wall 075 and well section of thick bamboo inner wall 077 and provides the air to in the cavity of well section of thick bamboo inner wall 077, for the validity of guaranteeing the air feed, the lower edge of sealed lid 03 is laminated closely with the last reason of well section of thick bamboo cap 045. In the place where the air in the middle lower part of the device is difficult to naturally reach, the air with certain pressure is sent out by the high-pressure air of the air compressor 062 and is diffused to the inner side of the inner wall 077 of the middle cylinder through the cylinder wall grate plate 082 arranged in the middle lower part of the inner wall 077 of the middle cylinder.
Under the high temperature effect in the middle of fermentation to and under the microbial action of whole process, in the fermentation later stage, because the moisture content in the material is lower, formed more hole between the material, the material is moving to the inside of inner tube this moment. The material with larger pores does not need large pressure, and the aerobic fermentation requirement can be realized by using a fan for ventilation. The moisture content of the materials in the early fermentation stage is large, and the gaps are small, so that an air compressor is required to provide high-pressure air to supply oxygen to the materials at the middle lower part of the cylinder through the cylinder wall grate plate.
In the technical scheme of the invention, in the treatment process, the transmission system and the material conveying and fermenting device are designed into a whole by stirring, conveying and fermenting the kitchen waste which rotates around an axis for many times, so that the materials can synchronously move and be conveyed in coordination no matter the materials are subjected to intermittent operation or continuous operation in the fermentation and conveying process, and the blockage or idle rotation caused by asynchronism between kitchen waste input and product output is avoided, thereby obviously improving the operation efficiency, and being flexibly used for intermittent operation when the quantity of the waste is small and continuous operation when the quantity is large, so that the practicability of the kitchen waste is better than that of the traditional treatment method.

Claims (9)

1. The kitchen waste aerobic composting device with the multi-return structure is characterized by comprising a transmission system, a plurality of return cabins and an air supply pressurization system, wherein the kitchen waste is located inside the plurality of return cabins, the transmission system is connected with the plurality of return cabins and provides power, the air supply pressurization system is connected with the plurality of return cabins, the plurality of return cabins comprise a feeding port, a V-shaped fork, an outer cylinder, a middle cylinder, an inner cylinder, a middle shaft and a bottom grate plate, and an outer ring of the V-shaped fork is fixedly connected with the outer cylinder on the upper portion.
2. The aerobic composting device for kitchen waste with multi-pass structure as claimed in claim 1, wherein the central axes of the outer cylinder and the inner cylinder are coincident with the central axis, the rotation directions of the central axis and the inner cylinder are opposite, the middle cylinder is fixed, and the synchronous conveying of the waste is realized while the inner cylinder, the middle cylinder and the outer cylinder synchronously rotate.
3. The aerobic composting device for kitchen garbage with multi-return structure as claimed in claim 2, wherein the outer surface of the central shaft is provided with a reverse helical blade perpendicular to the axial direction, the upper end of the inner cylinder is provided with a feed inlet of the inner cylinder, the outer wall of the inner cylinder is provided with a forward helical blade perpendicular to the axial direction, and the inner wall of the outer cylinder is provided with outer cylinder stirring teeth.
4. The aerobic composting device for kitchen garbage with multi-return structure as claimed in claim 2, wherein the middle cylinder has a double-layer structure of inner wall and outer wall, a middle cylinder cap is fixedly connected above the inner wall of the middle cylinder and the outer wall of the middle cylinder, the outer wall of the middle cylinder is provided with middle cylinder stirring teeth, and the bottom of the middle cylinder is provided with a middle cylinder feeding hole.
5. The aerobic composting device of kitchen waste with multi-pass structure as claimed in claim 1, wherein the transmission mechanism comprises a base, a shaft sleeve, a wheel shaft, a bracket, a first rotary bearing, a second rotary bearing, a connecting frame, a sun gear, a planet gear and a planet gear carrier.
6. The aerobic composting device for kitchen waste with multi-pass structure as claimed in claim 5, characterized in that a V-shaped fork is fixed above the first rotary bearing, a bracket is fixed on the base, the first rotary bearing is fixed above the bracket, a planetary wheel and a sun wheel are installed in a matching way with an inner gear ring of an inner ring of the second rotary bearing, the sun wheel is meshed with the planetary wheel, and the planetary wheel is meshed with the planetary wheel carrier.
7. The aerobic composting device for kitchen waste with multi-pass structure as claimed in claim 1, wherein the air supply pressurizing system comprises a sealing cover, a fan, an air compressor and a cylinder wall grate plate.
8. The aerobic fermentation method of the kitchen waste with the multi-return structure is characterized in that oxygen required by aerobic fermentation is provided by an air supply pressurization system, air enters a fan from an air inlet end, and an air outlet end of the fan penetrates through the outer wall and the inner wall of a middle cylinder to provide air to a cavity in the inner wall of the middle cylinder.
9. The aerobic fermentation method of kitchen garbage with multi-pass structure as claimed in claim 8, characterized in that for the place where the air in the middle and lower part of the device is difficult to reach naturally, the air with certain pressure is sent out by the high pressure of the air compressor and is diffused to the inner side of the inner wall of the middle cylinder through the cylinder wall grate plate arranged at the middle and lower part of the inner wall of the middle cylinder.
CN202010711337.9A 2020-07-22 2020-07-22 Kitchen waste aerobic composting device with multi-return structure and aerobic fermentation method Pending CN111848234A (en)

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CN202010711337.9A CN111848234A (en) 2020-07-22 2020-07-22 Kitchen waste aerobic composting device with multi-return structure and aerobic fermentation method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103964903A (en) * 2014-04-29 2014-08-06 东北农业大学 Anaerobic and aerobic fermentation coupling device for organic garbage treatment
CN105841449A (en) * 2016-05-29 2016-08-10 潘显敏 Preparation and drying system of straw segments
CN105830677A (en) * 2016-05-29 2016-08-10 潘显敏 Livestock supplementary feed making system
CN107082548A (en) * 2017-04-27 2017-08-22 浙江布莱蒙农业科技股份有限公司 A kind of three return-stroke type roller drying carbonizers
CN109503230A (en) * 2017-12-15 2019-03-22 中国农业科学院农业环境与可持续发展研究所 Fermentation machine
CN109704832A (en) * 2019-01-29 2019-05-03 山东大学 A kind of sleeping cartridge type bio-bacterial manure rapid fermenting device
CN208829530U (en) * 2018-09-21 2019-05-07 青岛颐美盛投资有限公司 A kind of three energy-efficient rotary drying equipments

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103964903A (en) * 2014-04-29 2014-08-06 东北农业大学 Anaerobic and aerobic fermentation coupling device for organic garbage treatment
CN105841449A (en) * 2016-05-29 2016-08-10 潘显敏 Preparation and drying system of straw segments
CN105830677A (en) * 2016-05-29 2016-08-10 潘显敏 Livestock supplementary feed making system
CN107082548A (en) * 2017-04-27 2017-08-22 浙江布莱蒙农业科技股份有限公司 A kind of three return-stroke type roller drying carbonizers
CN109503230A (en) * 2017-12-15 2019-03-22 中国农业科学院农业环境与可持续发展研究所 Fermentation machine
CN208829530U (en) * 2018-09-21 2019-05-07 青岛颐美盛投资有限公司 A kind of three energy-efficient rotary drying equipments
CN109704832A (en) * 2019-01-29 2019-05-03 山东大学 A kind of sleeping cartridge type bio-bacterial manure rapid fermenting device

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Application publication date: 20201030