CN215559940U

CN215559940U - Tectorial membrane compost fermentation system

Info

Publication number: CN215559940U
Application number: CN202121595940.1U
Authority: CN
Inventors: 蔡亮; 何文祥; 张波; 孔小雁; 吴俊达; 卢洋博; 何华; 何凤
Original assignee: Jingmen Famax Agricultural Technology Co ltd
Current assignee: Jingmen Famax Agricultural Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-18
Anticipated expiration: 2031-07-13

Abstract

The application provides a tectorial membrane compost fermentation system includes: the fermentation unit comprises a fermentation tank, a nano film and a ventilation system, wherein the nano film covers the fermentation tank to form a space for stockpiling fermentation; the collecting device is used for collecting temperature information, time information and air volume information of the piled materials; the controller is connected with the sensor group and the ventilation system respectively and used for receiving the temperature information, the time information and the air quantity information of the stockpile collected by the collecting device and controlling the ventilation system to act according to the temperature information, the time information and the air quantity information; and the human-computer interface is used for displaying the working state of the system and providing an interactive interface for setting the fermentation operation conditions and controlling the starting and stopping of the ventilation system. The controller of this application can need not the manual fermentation operation according to temperature information and time information automatic control ventilation system's amount of wind, ventilation time etc. and degree of automation is high, has improved the quality of compost fermentation fertilizer.

Description

Tectorial membrane compost fermentation system

Technical Field

The application belongs to the technical field of fermentation processes, and particularly relates to a film-covered compost fermentation system.

Background

Aerobic composting fermentation is one of important ways to solve the problem of pollution of livestock and poultry manure and realize resource utilization of the livestock and poultry manure. At present, the aerobic composting fermentation adopts groove type composting fermentation or tank type, box type and tower type fermentation, no matter which fermentation mode is adopted, the fermentation temperature and the ventilation time in the fermentation process are controlled manually according to experience values, the labor cost is high, the fermentation efficiency is low, and the difference of the quality of the organic fertilizer produced by the composting fermentation is large.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a tectorial membrane compost fermentation system to solve the problem that current aerobic composting fermentation exists that the cost of labor is high, fermentation efficiency is low.

In a first aspect, an embodiment of the present application provides a membrane-covered compost fermentation system, including:

the fermentation unit comprises a fermentation tank, a nano film and a ventilation system, wherein the nano film covers the fermentation tank to form a space for stockpiling fermentation;

the collecting device is used for collecting temperature information, time information and air volume information of the piled materials;

the controller is connected with the sensor group and the ventilation system respectively and used for receiving the temperature information, the time information and the air quantity information of the stockpile collected by the collecting device and controlling the ventilation system to act according to the temperature information, the time information and the air quantity information;

and the human-computer interface is used for displaying the working state of the system and providing an interactive interface for setting the fermentation operation conditions and controlling the starting and stopping of the ventilation system.

Optionally, ventilation system includes fan and a plurality of ventilation pipe, the ventilation pipe set up in the bottom of fermentation vat, the one end of ventilation pipe is the air intake, and the other end is the drain, be provided with a plurality of air outlets on the pipe shaft of ventilation pipe, air intake connection the fan, the drain is used for discharging the sewage that produces in the fermentation process, the fan with the controller links to each other.

Optionally, the controller includes a preset unit and a processing unit, the preset unit is electrically connected to the processing unit, and the preset unit is configured to store preset temperature information, preset time information, and preset air volume information; the processing unit is electrically connected with the acquisition device and used for receiving the temperature information, the time information and the air volume information acquired by the acquisition device, comparing the temperature information, the time information and the air volume information with the preset temperature information, the preset time information and the preset air volume information, and controlling the starting and stopping of the ventilation system and the air volume according to the comparison result.

Optionally, a first switch piece is arranged between the air inlet of the ventilation pipe and the fan, a second switch piece is arranged at a sewage discharge port of the ventilation pipe, the first switch piece and the second switch piece are respectively connected with the controller, and the controller is used for controlling the first switch piece and the second switch piece to act according to the temperature information and the time information.

Optionally, the controller further comprises an alarm unit, the alarm unit is electrically connected with the processing unit, the preset unit is used for storing preset alarm temperature, the processing unit is used for comparing the received temperature information with the preset alarm temperature and controlling the alarm unit to prompt for alarm according to the comparison result.

Optionally, the controller further comprises a storage module, the storage module is connected with the collecting device, and the storage module is used for storing temperature information in the stockpile fermentation process.

Optionally, the preset unit is provided with a time module, the time module is provided with a plurality of fermentation stages, and each stage corresponds to one of the preset time information and the preset air volume information.

Optionally, the preset time information of the time module includes start time, running time, stop time, and end time of the fan;

the processing unit is used for controlling the starting and stopping of the fan according to the starting time and the ending time of the fan, and after the fan is started, the running time and the stopping time of the fan are controlled according to the running time and the stopping time in a circulating mode until the ending time, and the fan stops running.

Optionally, the preset unit is provided with a temperature module, the temperature module is provided with a plurality of fermentation stages, and each stage corresponds to one of the preset time information, the preset temperature information and the preset air volume information.

Optionally, the preset unit is provided with a temperature module;

the preset temperature information comprises the starting temperature and the ending temperature of the fan, and the preset time information comprises the running time and the stopping time of the fan;

the processing unit is used for controlling the starting and stopping of the fan according to the starting temperature and the ending temperature, and controlling the running time of the fan and the running stopping time of the fan according to the running time and the ending time after the fan is started until the ending temperature is reached, and stopping the fan.

The tectorial membrane compost fermentation system that this application embodiment provided, because fermentation unit adopts fermentation tank and nanometer membrane to combine to form the fermentation space, carry out the aerobic composting fermentation of windrow, set up ventilation system in the fermentation space, the controller is according to the temperature information and the time information control ventilation system that collection system gathered for the fermentation space oxygen filling, the problem that the cost of labor that has overcome current aerobic composting fermentation existence is high, fermentation efficiency is low, the controller can be according to the amount of wind of temperature information and time information automatic control ventilation system, ventilation time etc, need not the manual fermentation operation, the degree of automation is high, the quality of compost fermentation fertilizer has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.

For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.

Fig. 1 is a control system diagram of a film-covered composting fermentation system provided in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a film-covered compost fermentation system provided in an embodiment of the present application.

FIG. 3 is a structural schematic diagram of a fermentation tank in a first form in a film-covered compost fermentation system provided by an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a fermentation tank in the first form according to the embodiment of the present invention.

FIG. 5 is a structural schematic diagram of a fermentation tank in a type two in the film-covered compost fermentation system provided by the embodiment of the present application.

FIG. 6 is a structural schematic diagram of a fermentation tank in the form two provided in the embodiment of the present application.

Fig. 7 is a partial enlarged view of a portion a in fig. 3.

Fig. 8 is a schematic view of a sealing structure provided in an embodiment of the present application.

Fig. 9 is a partial enlarged view of fig. 6 at B.

Fig. 10 is a partially enlarged view at C in fig. 3.

FIG. 11 is a schematic structural diagram of a fermentation tank provided in the embodiments of the present application.

Fig. 12 is a schematic structural diagram of a vent tube according to an embodiment of the present application.

FIG. 13 is a schematic view showing the arrangement of ventilation pipes in the form of a fermentation tank according to an embodiment of the present invention.

FIG. 14 is a schematic layout of ventilation pipes in a fermentation tank of the second embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides tectorial membrane compost fermentation system to solve current aerobic composting fermentation and adopt natural draft to cause the problem that the stink leaks. The following description will be made with reference to the accompanying drawings.

The film-covered compost fermentation system provided by the embodiment of the application can be applied to a compost fermentation system, exemplarily, the compost fermentation system comprises a control system and the film-covered compost fermentation system, and the compost fermentation system can be used for treating organic raw materials such as various livestock and poultry manure, crop straws, kitchen garbage, sludge waste, cake dregs, agricultural and forestry waste, agricultural product processing waste and the like.

In order to more clearly illustrate the structure of the film-covered compost fermentation system, the film-covered compost fermentation system will be described below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a control system diagram of a film-covered composting fermentation system provided in an embodiment of the present application.

A film-covered compost fermentation system comprises a fermentation unit, a collection device 6, a controller 7 and a human-computer interface 8, wherein the fermentation unit comprises a fermentation tank 1, a nano film 31 and a ventilation system 2, and the nano film 31 covers the fermentation tank 1 to form a space for composting fermentation; the collecting device 6 is used for collecting temperature information, time information and air volume information of the stockpile; the controller 7 is connected with the acquisition device 6 and the ventilation system 2 respectively and is used for receiving the temperature information, the time information and the air volume information of the piled materials acquired by the acquisition device 6 and controlling the ventilation system 2 to act according to the temperature information, the time information and the air volume information; the human-computer interface is used for displaying the working state of the system and providing an interactive interface for setting the fermentation operation conditions and controlling the start and stop of the ventilation system 2. After the pile is built, the parameters of the ventilation operation conditions are manually input through a human-computer interface, then the ventilation system 2 is started, the automatic pile fermentation can be carried out, the operation is convenient, and the automation degree is high.

In some embodiments, the ventilation system 2 includes a fan 20 and a plurality of ventilation pipes 26, the ventilation pipes 26 are disposed at the bottom of the fermentation tank 1, one end of each ventilation pipe 26 is an air inlet, the other ventilation pipe 26 is a sewage discharge outlet, a plurality of air outlets 21 are disposed on a pipe body of each ventilation pipe 26, the air inlets are connected with the fan 20, the fan 20 is connected with the controller 7, the controller 7 is used for controlling the start and stop of the fan 20, and the sewage discharge outlet is used for connecting the sewage collection tank 5.

It can be understood that, because of the fermentation produces sewage in fermentation tank 1 and flows into sewage collecting pit 5 through ventilation pipe 26, the unified collection is handled, and fan 20 and sewage collecting pit 5 are located the both ends of ventilation pipe 26 respectively, when fan 20 goes out oxygen, exert certain pressure in the ventilation pipe 26, are favorable to sewage to be discharged, and ventilation pipe 26 has the function of ventilation and blowdown concurrently.

It can be understood that, referring to fig. 12, the ventilation pipe 26 is a PE pipe, two rows of air outlets 21 are formed on the ventilation pipe 26, each row of air outlets 21 is arranged at equal intervals, and the air outlets 21 in two adjacent rows are arranged in a staggered manner. Guarantee the homogeneity of air-out, when partial air outlet 21 is blockked up, still can guarantee the air-out effect.

It can be understood that, referring to fig. 11, the bottom of the trough body 10 is provided with a pipe chute 101, the ventilation pipe 26 is laid in the corresponding pipe chute 101, the air outlet 21 is located at the groove opening of the pipe chute 101, the pipe chute 101 is arranged, and the ventilation pipe 26 is arranged in the pipe chute, so that the flatness of the bottom of the trough body 10 is guaranteed, feeding and discharging in the composting process are facilitated, and the ventilation pipe 26 is protected. It will be appreciated that the ventilation tube 26 may be suspended if only the problem of ventilation is addressed. It can be understood that the bottom of the fermentation tank 1 is provided with a padding layer, the upper surface of the padding layer is higher than the air outlet 21, the padding layer is formed by laying fermentation rotten clinker or other fluffy stacking materials, the padding layer can be laid on the whole bottom or only on the upper side of the ventilation pipe 26, and the air outlet 21 is effectively prevented from being blocked.

In some embodiments, the controller 7 includes a preset unit 70 and a processing unit 71, the preset unit 70 is electrically connected to the processing unit 71, and the preset unit 70 is configured to store preset temperature information, preset time information, and preset air volume information; the processing unit 71 is electrically connected with the acquisition device 6, and the processing unit 71 receives the temperature information, the time information and the air volume information acquired by the acquisition device 6, compares the temperature information, the time information and the air volume information with preset temperature information, preset time information and preset air volume information, and controls the start and stop of the ventilation system 2 and the air volume according to a comparison result. It can be understood that according to the ratio and the volume size difference of the material pile, the ventilation system 2 is different in ventilation opportunity, time and air volume size of the material pile, corresponding preset temperature information, preset time information and preset air volume information are set through the human-computer interface 8, the operation is convenient, the material pile fermentation scene is suitable for different material pile fermentation scenes, and the applicability is high.

In some embodiments, the processing unit 71 includes a time module, the time information includes a start time, a running time, a stop time, and an end time of the blower, the time module is configured to control the blower 20 to start and stop according to the start time and the end time of the blower 20, and the blower 20 stops running after the blower 20 starts and then controls the running time of the blower 20 and the stopping time of the blower 20 according to the running time and the stop time cycle until the end time. The starting time refers to a node time when the fan 20 starts to operate, the running time refers to how many minutes the fan 20 continues to operate, the stopping time refers to how many minutes the fan 20 stops operating between two times of operation, the ending time refers to a time node when the fan 20 stops operating, and the fan 20 cyclically operates according to the running time and the ending time between the starting time and the ending time. It can be understood that the fermentation is divided into three periods, namely a first period 1 to 7 days, a second period 8 to 18 days and a third period 19 to 20 days, and it can be known that the starting time of the first period is zero on the 1 st day, the ending time is 24 on the 7 th day, the running time set in the first period is 10 minutes, the stopping time is 40 minutes, the blower is started on the 1 st day zero, the blower 20 is operated according to the mode of running for 10 minutes and stopping running for 40 minutes, and the blower 20 is stopped until 24 on the 7 th day; the starting time of the second stage is zero on the 8 th day, the ending time is 24 on the 18 th day, the running time is 15 minutes and the stopping time is 30 minutes which are set in the second period, the fan 20 is started when the zero on the 8 th day, and the fan circularly works according to the mode of running for 15 minutes and stopping for 30 minutes until 24 on the 18 th day; and when the starting time of the third stage is zero at day 19 and the ending time is 24 days of 20 days, the fan 20 circularly works according to a mode of running for 30 minutes and stopping running for 10 minutes until 24 days of 20 days, and thus, one-time stacking fermentation is completed.

In some embodiments, the processing unit is provided with a temperature module; the preset temperature information comprises the starting temperature and the ending temperature of the fan, and the preset time information comprises the running time and the stopping time of the fan; the temperature module is used for controlling the starting and stopping of the fan according to the starting temperature and the ending temperature, and controlling the running time of the fan and the running stopping time of the fan according to the running time and the ending time after the fan is started until the ending temperature is reached, and stopping the fan. The start temperature refers to a temperature node at which the fan 20 starts to operate, the run time refers to how many minutes the fan 20 continues to operate, the stop time refers to how many minutes the fan 20 stops operating between two times of operation, and the end temperature refers to a temperature node at which the fan 20 stops operating, and the fan 20 cyclically operates according to the run time and the end time between the start time and the end time. As can be understood, the fermentation is divided into three stages, the starting temperature of the first stage is set to be 30 ℃, the ending temperature is set to be 60 ℃, the running time of the first stage is 10 minutes, the stopping time is 40 minutes, the fan 20 is started at the temperature of 30 ℃ of the material pile, the fan 20 circularly works according to the mode of running for 10 minutes and stopping time for 40 minutes until the temperature of the material pile reaches 60 ℃, and the fan 20 stops; the starting temperature of the second period is set to be 60 ℃, the ending temperature is set to be 70 ℃, the running time of the first period is 15 minutes, the stopping time is 30 minutes, the fan 20 is started at the temperature of 60 ℃ of the material pile, the fan 20 circularly works in a mode of running for 15 minutes and stopping for 30 minutes until the temperature of the material pile reaches 70 ℃, and the fan 20 stops.

In some embodiments, the frequency of the fans for each stage is different, for example, the first stage sets the fan frequency to be 30 to 40HZ, the second stage sets the fan frequency to be 340-50HZ, and the first stage sets the fan frequency to be 50 HZ.

In some embodiments, referring to fig. 9, 13 and 14, a first switch 22 is disposed between the air inlet of the ventilation pipe 26 and the fan 20, a second switch 23 is disposed at the sewage outlet of the ventilation pipe 26, the first switch 22 and the second switch 23 are respectively connected to the controller 7, and the controller 7 is configured to control the first switch 22 and the second switch 23 to operate according to temperature information and time information, it can be understood that, in the initial stage of fermentation, ventilation is mainly used, and in the final stage of fermentation, the controller controls the second switch 23 to be opened every day to discharge sewage, so as to prevent the sewage from blocking the ventilation pipe 26 and affecting the ventilation effect.

In some embodiments, referring to fig. 1, the controller 7 further includes an alarm unit 72, the alarm unit 72 is electrically connected to the processing unit 71, the preset unit 70 is configured to store a preset alarm temperature, and the processing unit 71 is configured to compare the received temperature information with the preset alarm temperature, and control the alarm unit 72 to prompt an alarm according to the comparison result. Wherein, the poultry manure fermentation temperature is not more than 70 ℃, the preset alarm temperature can be set to 70 ℃, when the temperature exceeds 70 ℃, the alarm unit 72 prompts alarm information, and after the alarm, manual intervention is performed.

In some embodiments, referring to fig. 1, the controller 7 further comprises a storage module 73, the storage module 73 is connected to the collecting device 6, and the storage module 73 is used for storing temperature information in the stockpile fermentation process. The temperature change condition of the whole fermentation period in the storage module 73 is called through the human-computer interface 8, data can be processed to generate a curve, the change condition of the running data is displayed in a curve mode, historical data are checked, accumulated experience is helped, and a better fermentation scheme is obtained.

In some embodiments, the collection device 6 includes a temperature sensor for detecting the temperature of the layers in the stack. It can be understood that the collecting device 6 further comprises a timer, and the timer records information such as fermentation time, fan running time, fan stopping time and the like. The fan frequency is derived from the fan 20.

In some embodiments, referring to fig. 13 and 14, a membrane covered composting fermentation system further comprises a first collecting pipe 24, the first collecting pipe 24 is connected with a plurality of ventilating pipes 26 and the fan 20, the first collecting pipe 24 is arranged outside the fermentation tank 1, and the air inlet of the ventilating pipe 26 extends out of the fermentation tank 1 and is connected with the first collecting pipe 24. Draw the air intake from fermentation tank 1 through first header 24, set up fan 20 outside fermentation tank 1, avoid the space waste in fermentation tank 1, keep away from the moist heat environment of fermentation with fan 20 simultaneously, be favorable to prolonging fan 20's life.

In some embodiments, referring to fig. 13 and 14, a first switch 22 is disposed between the first collecting pipe 24 and the fan 20, the first switch 22 controls the conduction and the cutoff of the first collecting pipe 24, so as to control the conduction and the cutoff of all the ventilation pipes 26 at the same time, the controller 7 is connected to the first switch 22, and the controller 7 adjusts the air volume of the ventilation pipes 26 by controlling the opening degree of the first switch 22, so as to facilitate control and provide sufficient oxygen for fermentation of the compost.

In some embodiments, referring to fig. 13 and 14, the first switch 22 is disposed between the ventilation pipe 26 and the first collecting pipe 24, the air inlet of the ventilation pipe 26 is located outside the fermentation tank 1, the first switch 22 is disposed outside the fermentation tank 1, and the controller controls some first switches 22 to operate, so as to achieve the on and off of the corresponding ventilation pipe 26, and is suitable for places with large fermentation space, to perform batch stacking and batch fermentation in batches, and to fully utilize the space in the fermentation tank 1, thereby improving the fermentation efficiency.

It can be understood that the first switch member 22 is a check valve to prevent the odor generated by the fermentation of the stack in the fermentation space from leaking.

As can be understood, the fan 20 adopts a hot air blower to increase the oxygen supply temperature and accelerate the fermentation.

In some embodiments, the film-covered compost fermentation system further comprises a second collecting pipe 25, the second collecting pipe 25 is communicated with the sewage discharge port of the ventilation pipe 26 and the sewage collecting tank 5, a second switch part 23 is arranged on the second collecting pipe 25, the controller 7 controls the second switch part 23 to act, the controller 7 controls the second switch part 23 to be opened every day before 5 days of fermentation completion, and the second collecting pipe 25 collects sewage generated by the ventilation pipes 26 and conveys the sewage to the sewage collecting tank 5 uniformly.

In some embodiments, the bottom of the fermentation tank 1 is provided with a slope of a preset angle, the drain outlet is arranged at the position with the lowest slope of the bottom, and the ventilation pipe 26 arranged at the bottom of the fermentation tank 1 is also obliquely arranged and is inclined from the air inlet side to the drain outlet side, so that the sewage in the ventilation pipe 26 can be drained conveniently.

In some embodiments, as described with reference to fig. 3, 4 and 13, the fermentation tank 1 is in the form of a first tank body 10, which includes a bottom 100 and three side walls 102, and an opening 12 is formed at one side of the tank body 10, and the opening 12 is a feeding hole and a discharging hole. Under this kind of structure, ventilation pipe 26 is arranged along the plane interval that perpendicular to opening 12 belonged to, and ventilation pipe 26's drain is located feed inlet one side, and the cell body 10 bottom has certain slope from discharge gate side direction feed inlet side, generally sets up 5 permillage's slope, is favorable to the interior sewage evacuation of ventilation pipe 26, and the height of second collection pipe 25 also is less than the height on one side of the feed inlet of cell body 10 in addition, guarantees that sewage drainage is smooth and easy.

In some embodiments, referring to fig. 5 and 6, the fermentation tank 1 is in a second form, the tank body 10 is enclosed by a bottom 100 and two side walls 102, the two side walls 102 are arranged in parallel, the two ends of the tank body 10 form openings 12, and the frame body 30 spans the two side walls 102, wherein one opening 12 is a feeding hole, and the other opening 12 is a discharging hole. Under the structure, the ventilation pipes 26 are arranged at intervals along a plane parallel to the side wall 102, the first collecting pipes 24 are arranged outside the tank body 10, the air inlets of the ventilation pipes 26 extend out of the side wall 102 to be connected with the first collecting pipes 24, each ventilation pipe 26 is provided with a switch, when batch fermentation operation is carried out, stacking is carried out from one side of the discharge port to the feed port in sequence, the first switches 22 of the ventilation pipes 26 below the same batch of compost act simultaneously, the fermentation space is reasonably utilized, and the composting efficiency is improved.

It is understood that the fermentation tank 1 is in the first form or the second form, and can be determined according to the actual site size.

It is understood that the tank 10 may be constructed of concrete or may be constructed of other sealing materials. When the trough body 10 is constructed by concrete, the foundation site is hardened first, the side walls are piled up, and the frame body 30 is fixed by embedding or fixing by anchor bolts.

It will be appreciated that the tank 10 may be of an underground tank, a ground tank or a semi-ground tank construction.

In some embodiments, referring to fig. 2 and 3, the fermentation tank 1 of the fermentation unit comprises a tank body 10, the tank body 10 is provided with an inner cavity 11 for accommodating the stockpile and an opening 12 for the stockpile to enter and exit, and the opening 12 is communicated with the inner cavity 11.

In some embodiments, referring to fig. 2 and 3, the fermentation unit further includes a frame 30, the frame 30 straddles the tank 10, the nanomembrane 31 covers the frame 30, the nanomembrane 31 and the frame 30 form the shed roof structure 3, and the nanomembrane 31 and the tank 10 form a fermentation space in which the compost is fermented. The nanometer film 31 is arranged on the frame body 30, the nanometer film 31 is in a suspended state, the workload of manually entering and exiting the stacking and cover-lifting nanometer film 31 is reduced, the nanometer film 31 is prevented from being damaged due to frequent cover-lifting of the nanometer film 31, the space between the groove body 10 and the nanometer film 31 is large enough, the nanometer film 31 does not need to be integrally lifted, machine operation can be adopted, the material is fed from the opening 12 side and discharged, the operation of the nanometer film 31 on the opening side is convenient, and the labor and the time are saved.

It can be understood that the nano-film 31 is a selective gas-permeable film, micro-filtration pores with the pore diameter of 0.2-0.3 μm are uniformly distributed on the film, the filtration pores do not allow macromolecules to pass through, such as odorous gas molecules, bioaerosol and dust, water vapor and carbon dioxide gas molecules can pass through the nano-film 31, part of water vapor generated by high-temperature fermentation in the film forms a water film on the inner surface of the nano-film 31, the odorous gas molecules such as ammonia gas and hydrogen sulfide gas are easily dissolved in water, are absorbed and intercepted by the water film on the inner surface of the nano-film 31, and are decomposed by organic matters after falling down into compost along with the water film, thereby being beneficial to reducing odor emission and ammonia loss, improving the nitrogen content of organic fertilizers formed by compost fermentation. The nano film 31 has the functions of water resistance, moisture permeability, bacteria isolation, deodorization and the like, the ventilation system conveys oxygen for the fermentation of the compost in the tank body 10, the fermentation tank 1 and the nano film 31 form a closed fermentation plant, oxygen supply is exchanged by the ventilation system by relying on a high-temperature fermentation linkage technology, the activity of the microorganism is controlled by multi-factor intelligent linkage, the simplicity and flexibility of open composting are combined with the rapidness and environmental protection of closed composting, the problem of diffusion of odor of livestock and poultry feces is solved, the volatilization of ammonia in the compost can be effectively controlled, the moisture content of the compost can be rapidly reduced, and the composting period can be shortened. Can realize the high-efficiency, environment-friendly, safe, low-cost and harmless treatment and fertilizer utilization of the livestock and poultry manure and the organic waste.

It is understood that the nanomembrane 31 and the tank body 10 form a fermentation space, which means that there is no gap or structure to communicate with the outside except for communicating with the outside through the nanomembrane 31 itself due to the material property.

It can be understood that the nanomembrane 31 only needs to cover the exposed space and the opening 12 of the tank body 10, so as to save materials and reduce cost. Of course, the nanomembrane 31 may cover other portions of the tank 10.

In some embodiments, referring to fig. 3 and 5, the rack 30 includes an arched steel frame 300, the steel frame 300 straddles the top of the tank 10, and the steel frame 300 is disposed along the length of the tank 10. It can be understood that the steel frame 300 can be designed into other structures such as a flat top or a triangular top, the arched steel frame 300 is covered by the nano-film 31, the arched steel frame 300 has high structural strength and strong bearing capacity, and the arched nano-film 31 is wind-resistant and uniform in rainstorm resistance.

In some embodiments, the steel frame 300 includes a plurality of arch bars 3000, the plurality of arch bars 3000 are arranged along the length direction interval of the tank 10, the top of the tank 10 is an open structure, the arch bar 3000 includes two vertical sections and an arc section, the arc section connects one end of the two vertical sections, the other end of the vertical sections is respectively disposed on the side wall of the tank 10, the steel frame 300 has an arch top, the two sides are disposed in a vertical shape, the space between the tank 10 and the nanomembrane 31 is increased, and the field utilization rate is improved.

Wherein, the steel frame 300 is made of hot galvanizing plastic-coated pipe, and has the anti-corrosion effect.

In some embodiments, the frame 30 further includes a connecting rod 302, the connecting rod 302 is mounted on the arch bar 3000, the connecting rod 302 extends along the length direction of the trough 10, and the connecting rod 302 connects all the arch bars 3000 in series, so as to increase the structural strength of the steel frame 300.

In some embodiments, referring to fig. 10, a connection fixture 304 is disposed on a side of the steel frame 300 facing the tank, and the connection rods 302 are mounted on the connection fixture 304, wherein the connection fixture 304 is a mounting ring, the mounting ring fixes the side of the arch rods 3000 facing the tank 10, the mounting rings on all the arch rods 3000 are located on the same straight line, the connection rods 302 are inserted into the mounting rings, so as to facilitate mounting and dismounting of the connection rods 302, the mounting rings are located on the side of the arch rods 3000 facing the tank 10, the outer sides of the arch rods 3000 are smooth, so as to ensure that the surface of the nanomembrane 31 is smooth, and avoid local stress damage of the nanomembrane 31.

In some embodiments, a sealing structure 4 is arranged at the joint of the tank body 10 and the nano film 31, the tank body 10 and the nano film 31 are in sealing connection through the sealing structure 4, and the sealing structure 4 ensures that the tank body 10 and the nano film 31 are in sealing connection, so that the phenomenon of leakage at the joint of the tank body 10 and the nano film 31 is avoided, and the phenomenon of leakage of odor generated in the fermentation process and environmental pollution are avoided.

In some embodiments, referring to fig. 7 and 8, the sealing structure 4 includes a sealing portion 40 and a sealing engagement portion 41, the sealing portion 40 is disposed at the top of the tank body and at the side of the opening, and the sealing engagement portion 41 fixes the nano-film 31 on the sealing portion 40, wherein the sealing portion 40 is a sealing strip, the sealing strip is a square groove with a square cross section and an opening at one side, the sealing engagement portion 41 is a steel wire, the nano-film 31 is fixed in the square groove through the steel wire, the steel wire contacts with the inner wall of the square groove, the steel wire is screwed, the nano-film 31 is fixed while the sealing contact between the nano-film 31 and the sealing portion 40 is ensured, the sealing structure is simple, the installation cost is low, and the disassembly of the nano-film 31 is facilitated. It is understood that the sealing part 40 and the sealing engagement part 41 may have a snap structure, and the nanomembrane 31 is snapped between the sealing part 40 and the sealing engagement part 41.

In some embodiments, as described with reference to fig. 3 and 5, sealing portions 40 are disposed on two sides of the steel frame 300, and sealing engagement portions 41 fix the nano-film 31 on the sealing portions 40 of the steel frame 300, where the sealing portions 40 are sealing strips extending along the length direction of the steel frame 300, the sealing strips are square grooves with a square cross section and an opening on one side, the sealing engagement portions 41 are steel wires, the nano-film 31 is fixed in the square grooves through the steel wires, the steel wires are in contact with the inner walls of the square grooves, and the steel wires are screwed tightly, so that the nano-film 31 is convenient to mount and dismount, and the sealing effect is good.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

The ice making device provided by the embodiments of the present application is described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A membrane-covered compost fermentation system, comprising:

2. The film-covered compost fermentation system of claim 1, wherein the ventilation system comprises a fan and a plurality of ventilation pipes, the ventilation pipes are arranged at the bottom of the fermentation tank, one end of each ventilation pipe is an air inlet, the other end of each ventilation pipe is a sewage discharge outlet, a plurality of air outlets are formed in the pipe body of each ventilation pipe, the air inlets are connected with the fan, the sewage discharge outlets are used for discharging sewage generated in the fermentation process, and the fan is connected with the controller.

3. The film-covered compost fermentation system of claim 2, wherein the controller comprises a preset unit and a processing unit, the preset unit is electrically connected with the processing unit, and the preset unit is used for storing preset temperature information, preset time information and preset air volume information; the processing unit is electrically connected with the acquisition device and used for receiving the temperature information, the time information and the air volume information acquired by the acquisition device, comparing the temperature information, the time information and the air volume information with the preset temperature information, the preset time information and the preset air volume information, and controlling the starting and stopping of the ventilation system and the air volume according to the comparison result.

4. A film-covered compost fermentation system as claimed in claim 3, wherein a first switch member is arranged between an air inlet of the ventilation pipe and the fan, a second switch member is arranged at a sewage outlet of the ventilation pipe, the first switch member and the second switch member are respectively connected with the controller, and the controller is used for controlling the first switch member and the second switch member to act according to the temperature information and the time information.

5. The film-covered compost fermentation system of claim 3, wherein the controller further comprises an alarm unit, the alarm unit is electrically connected with the processing unit, the preset unit is used for storing a preset alarm temperature, and the processing unit is used for comparing the received temperature information with the preset alarm temperature and controlling the alarm unit to give an alarm according to the comparison result.

6. The film-covered compost fermentation system of claim 3, wherein the controller further comprises a storage module, the storage module is connected with the collection device, and the storage module is used for storing temperature information in a composting fermentation process.

7. The membrane covered compost fermentation system of claim 3,

the preset unit is provided with a time module, the time module is provided with a plurality of fermentation stages, and each stage corresponds to one preset time information and one preset air volume information.

8. The membrane covered compost fermentation system of claim 7,

the preset time information of the time module comprises starting time, running time, stopping time and ending time of the fan;

9. The membrane covered compost fermentation system of claim 3,

the preset unit is provided with a temperature module, the temperature module is provided with a plurality of fermentation stages, and each stage corresponds to one preset time information, preset temperature information and preset air volume information.

10. The film-covered compost fermentation system of claim 9, wherein said preset unit is provided with a temperature module;