CN215102916U

CN215102916U - Organic waste aerobic fermentation treatment equipment

Info

Publication number: CN215102916U
Application number: CN202121289105.5U
Authority: CN
Inventors: 周维杰; 阮云泽; 王文峰; 何茂雨; 崔佳庆; 柳杨; 江志伟; 钟可心; 周禹辰; 刘家瑛
Original assignee: Hainan University
Current assignee: Hainan University
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-10
Anticipated expiration: 2031-06-09

Abstract

The utility model provides an organic waste aerobic fermentation treatment device, which comprises a base and a fermentation cylinder connected above the base, wherein the top opening of the fermentation cylinder is sealed by a molecular airflow film, the molecular airflow film is also provided with a feed inlet, and the feed inlet is provided with a feed cover for opening the feed inlet; a discharge hole is formed in the bottom of the side wall of the fermentation cylinder; the bottom end of the fermentation cylinder is separated from the base through a ventilating bottom plate, a stirring structure is arranged in the fermentation cylinder, and a power mechanism for driving the stirring structure to stir is arranged in the base; the bottom end of the stirring structure penetrates through the ventilating bottom plate to be connected with a power mechanism, and the control system is independently controlled and connected with the power mechanism. The utility model discloses well molecule air current membrane makes the fermentation cylinder inside form a semi-enclosed space, and odorless, no filtrating, small-size light, very big have saved equipment cost, have improved treatment effeciency, convenient to popularize and use.

Description

Organic waste aerobic fermentation treatment equipment

Technical Field

The utility model relates to a rubbish recovery technical field, more specifically relates to an organic waste aerobic fermentation treatment equipment.

Background

The rapid development of the socioeconomic urbanization process of China and the rapid improvement of the living standard of people, the garbage generated in the urban production and living process is rapidly increased, the garbage treatment is more and more difficult along with the increase of a large amount of urban domestic garbage, and the problems of environmental pollution and the like gradually attract wide attention of various social circles. The domestic garbage mainly takes organic wastes as main materials, most of the domestic garbage can be recycled, but the existing treatment mode mainly takes incineration and landfill, so that resources are wasted, the environment is influenced, land is occupied, the landfill is a treatment mode of pollution first and treatment later, the field after the landfill needs huge expenditure to carry out environment restoration, and the incineration is a treatment mode of economic negative effect and environmental negative effect. Therefore, to realize industrialization, resource utilization, reduction and harmlessness of municipal domestic waste, China must provide various collection modes, treatment equipment and treatment technologies for recyclable domestic waste.

At present, there are many garbage disposal devices for aerobic fermentation, for example, chinese patent CN206337180U discloses a kitchen garbage disposal device based on high-temperature aerobic fermentation technology, in which the outlet end of a garbage conveyor is communicated with a garbage fermentation cylinder, the circumference of the garbage fermentation cylinder is provided with a heating source for heating garbage in the garbage fermentation cylinder, at least one hollow shaft is arranged in the garbage fermentation cylinder, the circumference of the hollow shaft is provided with a plurality of through holes, and the bottom of the garbage fermentation cylinder is provided with a filter layer for discharging liquid generated by garbage fermentation. Liquid generated by fermentation can be discharged through the filtering layer at the bottom, but in the fermentation process, most of the liquid is changed into steam due to heating fermentation, and the steam generated by heating fermentation in the equipment cannot be discharged from the upper part in time, so that the water removal efficiency is reduced, and the fermentation efficiency is further influenced; and the odor gas generated by fermentation can overflow from the lower part and scatter, thus having influence on the external environment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned background art this equipment in the steam that heating fermentation produced can't in time discharge from the top for dewatering efficiency reduces, and then influences the problem of the efficiency of fermentation, provides an organic waste aerobic fermentation treatment equipment. The utility model discloses the steam that well fermentation produced can in time be followed the top and discharged to foul smell gas can not discharge.

In order to solve the technical problem, the utility model discloses a technical scheme is: an organic waste aerobic fermentation treatment device comprises a base with a cavity and a fermentation cylinder connected above the base, wherein an opening at the top end of the fermentation cylinder is sealed by a molecular airflow membrane, the molecular airflow membrane is also provided with a feed port, and the feed port is provided with a feed cover for opening the feed port; a discharge hole is formed in the bottom of the side wall of the fermentation cylinder; the bottom end of the fermentation cylinder is spaced from the base through a ventilating bottom plate, a stirring structure is arranged in the fermentation cylinder, and a power mechanism for driving the stirring structure to stir is arranged in the base; the bottom end of the stirring structure penetrates through the ventilating bottom plate to be connected with the power mechanism, and the control system is independently controlled and connected with the power mechanism.

Furthermore, the base is of a hollow round table-shaped structure, the small-opening end and the large-opening end of the base are sealed, and the bottom end of the fermentation cylinder is in butt joint with the small-opening end of the base.

Furthermore, the stirring structure comprises a stirring shaft and stirring blades connected to the stirring shaft, one end of the stirring shaft close to the base movably penetrates through the ventilating bottom plate and is connected with the power mechanism, and the stirring blades are spirally distributed along the stirring shaft.

Further, still be equipped with temperature sensor, oxygen concentration sensor and humidity transducer on the inner wall of fermentation cylinder respectively, control system respectively with temperature sensor, oxygen concentration sensor and humidity transducer are independently connected.

Furthermore, be equipped with solar panel on the lateral wall of base, the inside of base still is equipped with charge controller, battery, control switch, solar panel passes through charge controller with the battery is connected, the battery pass through control switch with power unit connects, control system respectively with charge controller with control switch independent control connects.

Furthermore, an air source device is further arranged inside the base, the air source device is connected with the end face, close to one end of the base, of the ventilating bottom plate through an air pipe, and the control system is independently connected with the air source device.

The air source device is an air blower, the air blower is installed on the inner wall of the bottom surface of the base, one end of the air pipe is connected with the air blower, the other end of the air pipe is connected with the ventilation bottom plate, and the middle of the air pipe is arranged into a U-shaped communicating vessel structure.

Preferably, the molecular gas flow membrane is an e-PTFE membrane.

Furthermore, the bottom of the base is also provided with a movable roller, the base is also internally provided with a driving mechanism for driving the movable roller to move, and the control system is independently connected with the driving mechanism.

Preferably, the ventilation base plate is made of breathing paper.

Compared with the prior art, the beneficial effects are:

1. the utility model discloses a molecule air current membrane make the inside semi-inclosed space that forms of fermentation cylinder, the inside vapor of fermentation cylinder can see through the membrane and come out, reduce the moisture of material, but volatile materials such as the inside foul smell of fermentation cylinder can't pass through the molecule pellicle, simultaneously can also the outside wind and rain of separation etc. do not get into the inside of fermentation cylinder, the advantage of open fermentation and closed fermentation has been integrated, need not set up supporting foul smell collection processing apparatus and waste liquid collection processing apparatus again, the very big equipment cost that has saved, the treatment effeciency is improved, convenient to popularize and use, promote domestic waste classification in coordination, the comprehensive utilization efficiency of resources is improved.

2. The utility model discloses collect on the spot, handle on the spot, reduce the expense that transportation and loading and unloading produced, the environmental pollution who alleviates simultaneously becomes sustainable cyclic utilization's organic fertilizer, very big improvement the utilization efficiency of resources in school.

3. The utility model has low investment and high output, and solves the problems of high treatment cost, construction cost and transportation, loading and unloading cost for establishing a resource recycling center; because the small-size pot-type fermenting device is adopted, the traditional box-type fermenting device is improved, the fermenting efficiency is improved, the fermenting dead angle is reduced, and the cleaning and the maintenance of the later-stage fermenting device are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1, the aerobic fermentation treatment equipment for organic waste comprises a base 5 with a cavity and a fermentation cylinder 1 connected above the base 5, wherein the top opening of the fermentation cylinder 1 is sealed by a molecular airflow membrane 15, a feed port 17 is further formed on the molecular airflow membrane 15, and a feed cover 16 for opening the feed port 17 is arranged on the feed port 17; the bottom of the side wall of the fermentation cylinder 1 is provided with a discharge hole 4; the bottom end of the fermentation cylinder 1 is separated from the base 5 through a ventilating bottom plate 19, a stirring structure 14 is arranged in the fermentation cylinder 1, and a power mechanism 9 for driving the stirring structure 14 to stir is arranged in the base 5; the bottom end of the stirring structure 14 penetrates through the ventilating bottom plate 19 to be connected with the power mechanism 9, and the control system is independently controlled and connected with the power mechanism 9. The power mechanism 9 in this embodiment may be a motor, a steering engine, or other devices capable of driving the stirring shaft 3 to rotate around its axis; the molecular gas flow membrane 15 in this embodiment is an e-PTFE membrane, and the molecular gas flow membrane 15 is used herein for the purpose of deodorizing while evaporating moisture by passing only moisture and water vapor but not odorous gas. The ventilating bottom plate 19 is made of breathing paper, and the ventilating bottom plate 19 can ventilate air and block liquid; namely, the air needed for fermentation can enter the interior of the fermentation cylinder 1 from the lower ventilating bottom plate 19, and the moisture generated in the fermentation process is discharged from the upper part; but not flow out from the lower part, thus preventing the loss of part of the organic fertilizer, completely preserving the nutrients of the fertilizer and further improving the fermentation efficiency. The molecular airflow membrane in the embodiment is divided into three layers, wherein the outermost layer is a sun-proof, anti-aging and ultraviolet-proof layer; the middle layer is a gas isolation layer, water vapor can be quickly communicated, but odor of gas such as ammonia gas, hydrogen sulfide and the like can be isolated, so that the organic fertilizer has the advantages of very low nutrient loss, no molecular film technology, very much nitrogen loss, complete nutrient maintenance of the produced organic fertilizer and the culture medium, high nutrient content, high utilization rate and high conversion rate. The third layer is the innermost wear-resistant layer, and is likely to contact with materials, so that the service life of the wear-resistant layer can be greatly prolonged.

In this embodiment, the base 5 is a hollow round table structure, the small-mouth end of the base 5 is open, the large-mouth end of the base 5 is sealed, and the bottom end of the fermentation cylinder 1 is butted with the small-mouth end of the base 5; the stirring structure 14 comprises a stirring shaft 3 and stirring blades 2 connected to the stirring shaft 3, and one end of the stirring shaft 3 close to the base 5 movably penetrates through the ventilating bottom plate 19 to be connected with the power mechanism 9; stirring vane 2 still is equipped with removal gyro wheel 10 along 3 spiral distributions of (mixing) shaft in the bottom of base 5, still is equipped with in the base 5 and is used for the drive remove the actuating mechanism that gyro wheel 10 removed, control system and actuating mechanism independent connection. Base 5 is used for supporting fermentation cylinder 1 to inside places the subassembly that is used for supplementary fermentation, and the round platform shape structure just can match columniform fermentation cylinder 1, and fermentation cylinder 1 can be so that the stirring does not have the dead angle for cylindrical structure, the ejection of compact of the follow-up waste material of being convenient for. The round platform-shaped structure has a larger lower bottom surface and can provide stable supporting force, and the moving roller 10 and the driving mechanism (not shown in the figure) arranged at the bottom end facilitate the automatic movement of the whole equipment, so that the organic waste can be collected and aerobic fermentation can be carried out at any place in a campus; the flexibility of use is greatly improved.

Be equipped with solar panel 13 on the lateral wall of base 5, the inside of base 5 still is equipped with charge controller 12, battery 11, control switch, and solar panel 13 passes through charge controller 12 and is connected with battery 11, and battery 11 passes through control switch and is connected with power unit 9, and control system is connected with charge controller 12 and control switch independent control respectively.

Still be equipped with temperature sensor 21, oxygen concentration sensor 22 and humidity transducer 23 on the inner wall of fermentation cylinder 1 respectively, control system is connected with temperature sensor 21, oxygen concentration sensor 22 and humidity transducer 23 independently respectively. In other embodiments, the temperature sensor 21, the oxygen concentration sensor 22 and the humidity sensor 23 may be disposed on the stirring shaft 3, and have the same effect.

An air source device 7 is further arranged in the base 5, the air source device 7 is connected with the end face, close to one end of the base 5, of the ventilating bottom plate 19 through an air pipe 8, and the control system is independently connected with the air source device 7; in this embodiment, the air source device 7 is an air blower, the air blower is installed on the inner wall of the bottom surface of the base 5, one end of the air pipe 8 is connected with the air blower, the other end of the air pipe is connected with the ventilating bottom plate 19, the middle of the air pipe 8 is provided with the U-shaped communicating vessel structure 6, in the figure, the other end of the air pipe 8 can be connected with the buckle cover 20 which is sleeved on the stirring shaft, when the fermentation tank is used, the buckle cover can be buckled on the bottom surface of the ventilating bottom plate 19 so as to blow the air pipe 8 into the ventilating bottom plate 19, and the fermentation tank can also blow air into the fermentation tank 1 directly as shown in the figure, wherein the opening of the air pipe faces the ventilating bottom plate 19. In other embodiments, the air supply device 7 can also be other air supply devices with the same effect. The middle part of the air pipe 8 is provided with the U-shaped communicating vessel structure 6, and even a small amount of waste liquid overflows from the vent plate and enters the air pipe 8 under special conditions, the waste liquid cannot flow into the air blower to influence the air blower.

In the embodiment, the fermentation cylinder 1 is of a double-layer stainless steel structure, and is heat-insulating and corrosion-resistant; the top of the fermentation cylinder 1 is provided with a sealing steel ring, the molecular airflow membrane 15 is arranged in the sealing steel ring, and the sealing steel ring is hinged with the top of the fermentation cylinder 1, so that the sealing steel ring and the molecular airflow membrane 15 form a sealing cover which can be opened; the opening of the whole fermentation cylinder 1 can be opened through a large sealing cover at the top of the whole fermentation cylinder 1, and a small feeding hole 17 can also be opened through a small feeding cover 16; the discharge port 4 is sealed by a discharge cover in the fermentation process and is opened only when discharging; there is temperature sensor fermentation 1 inside, inside fermentation condition can be monitored to oxygen concentration sensor and humidity transducer, the inside volume scale mark 18 that contains of can body simultaneously, can see the material volume condition directly perceivedly, there is unipolar spiral stirring structure 14 at can body middle part, can 360 degrees no dead angle intensive mixing fermented materials, can body bottom has the bottom plate 19 of ventilating, can lead to oxygen from jar body bottom, aerobic fermentation process with higher speed, also can lead to steam, last high temperature compost, can shorten aerobic fermentation process's time by a wide margin, jar body bottom has discharge gate 4, after a fermentation cycle finishes, the fertilizer that will form is discharged through discharge gate 4, carry out subsequent processing after the discharge. The equipment puts recyclable domestic organic wastes into a fermentation cylinder 1 according to the proportion that the carbon-nitrogen ratio is 3-4: 6-7, 30% -40% of recyclable nitrogen source organic wastes and 60% -70% of recyclable carbon source organic wastes, the total amount of feeding is 10kg every day, feeding is continuously carried out for 10 days, stirring is carried out for 1 hour after each feeding, feeding is stopped from 10 days, aerobic fermentation is started, stirring is carried out for two hours every day, one hour is carried out in the morning and the evening, hot air is introduced simultaneously, and oxygen is introduced for one hour in the noon. After twenty days of fermentation, when the organic fertilizer contains no obvious peculiar smell and the water content is lower than 35 percent; discharging the organic fertilizer from the discharge port 4.

The sealed lid of molecule air current membrane 15 that this embodiment adopted, should go up behind the lid, 1 inside half inclosed space of formation of fermentation cylinder, the inside vapor of device can see through the membrane and come out, reduce the moisture of material, but volatile materials such as the inside foul smell of fermentation cylinder 1 can't pass through the molecule pellicle, simultaneously can also the outside wind and rain of separation etc. do not get into the inside of fermentation cylinder 1, the advantage of open fermentation and closed fermentation has been integrated, odorless, no filtrating, need not set up supporting foul smell collection processing apparatus and waste liquid collection processing apparatus again, small-size light, the very big equipment cost that has saved, the treatment effeciency is improved, and convenient to popularize and use, promote the organic waste of life in coordination categorised, the comprehensive utilization efficiency of resources is improved. The embodiment is mostly used for medium and small communities, including medium and small communities with organic wastes in rural areas, villages and towns, cities, campuses and the like; the method has the advantages that the land hardening is not needed, the factory building is not needed, the investment can generate positive benefits, the on-site collection and on-site treatment can be realized, the cost generated by transportation, loading and unloading is reduced, the environmental pollution is reduced, the incineration and landfill of the domestic organic waste are changed into the organic fertilizer which can be recycled continuously, and the utilization efficiency of resources in the school is greatly improved. The embodiment has low input and high output, and solves the problems of high treatment cost, construction cost and transportation, loading and unloading cost for establishing a resource recycling center; because what this embodiment adopted is small-size tank-type fermenting installation, has improved traditional box fermenting installation, improves fermentation efficiency, reduces the fermentation dead angle, the clearance and the maintenance of the later stage fermenting installation of being convenient for.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The organic waste aerobic fermentation treatment equipment is characterized by comprising a control system, a base (5) with a cavity and a fermentation cylinder (1) connected above the base (5), wherein the top end opening of the fermentation cylinder (1) is sealed by a molecular airflow membrane (15), a feeding hole (16) is further formed in the molecular airflow membrane (15), and a feeding cover (17) for opening the feeding hole (16) is arranged on the feeding hole (16); a discharge hole (4) is formed in the bottom of the side wall of the fermentation cylinder (1); the bottom end of the fermentation cylinder (1) is spaced from the base (5) through a ventilating bottom plate (19), a stirring structure (14) is arranged in the fermentation cylinder (1), and a power mechanism (9) for driving the stirring structure (14) to execute stirring action is arranged in the base (5); the bottom end of the stirring structure (14) penetrates through the ventilation bottom plate (19) to be connected with the power mechanism (9), and the control system is independently controlled and connected with the power mechanism (9).

2. The aerobic fermentation treatment equipment for organic waste according to claim 1, wherein the base (5) is a hollow round platform structure, the small opening end and the large opening end of the base (5) are sealed, and the bottom end of the fermentation cylinder (1) is butted with the small opening end of the base (5).

3. The aerobic fermentation treatment equipment of organic waste according to claim 1, wherein the stirring structure (14) comprises a stirring shaft (3) and stirring blades (2) connected to the stirring shaft (3), one end of the stirring shaft (3) close to the base (5) is movably connected with the power mechanism (9) through the ventilation bottom plate (19), and the stirring blades (2) are spirally distributed along the stirring shaft (3).

4. The aerobic fermentation treatment equipment for organic wastes according to claim 1, wherein the inner wall of the fermentation cylinder (1) is further provided with a temperature sensor (21), an oxygen concentration sensor (22) and a humidity sensor (23), and the control system is independently connected with the temperature sensor (21), the oxygen concentration sensor (22) and the humidity sensor (23).

5. The aerobic fermentation treatment equipment for organic waste according to claim 1, wherein a solar power generation panel (13) is arranged on the outer side wall of the base (5), a charging controller (12), a storage battery (11) and a control switch are further arranged inside the base (5), the solar power generation panel (13) is connected with the storage battery (11) through the charging controller (12), the storage battery (11) is connected with the power mechanism (9) through the control switch, and the control system is respectively connected with the charging controller (12) and the control switch in an independent control manner.

6. The aerobic fermentation treatment equipment for organic waste as claimed in claim 1, wherein an air supply device (7) is further arranged inside the base (5), the air supply device (7) is connected with the end surface of the ventilation bottom plate (19) close to one end of the base (5) through an air pipe (8), and the control system is independently connected with the air supply device (7).

7. The aerobic fermentation treatment equipment for organic waste as claimed in claim 6, wherein the air source device (7) is a blower, the blower is installed on the inner wall of the bottom surface of the base (5), one end of the air pipe (8) is connected with the blower, the other end of the air pipe is opposite to the ventilation bottom plate (19), and the middle part of the air pipe (8) is provided with a U-shaped communicating vessel structure (6).

8. The aerobic fermentation treatment equipment of organic waste as claimed in claim 1, wherein the molecular air flow membrane (15) is an e-PTFE membrane.

9. The aerobic fermentation treatment equipment for organic waste as claimed in claim 1, wherein the bottom end of the base (5) is further provided with a moving roller (10), the base (5) is further provided with a driving mechanism for driving the moving roller (10) to move, and the control system is independently connected with the driving mechanism.

10. The aerobic fermentation treatment equipment of organic waste as claimed in claim 1, wherein the aeration bottom plate (19) is made of breathing paper.