CN212199242U - Continuous dry anaerobic-aerobic two-stage coupling fermentation system - Google Patents
Continuous dry anaerobic-aerobic two-stage coupling fermentation system Download PDFInfo
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- CN212199242U CN212199242U CN202020789744.7U CN202020789744U CN212199242U CN 212199242 U CN212199242 U CN 212199242U CN 202020789744 U CN202020789744 U CN 202020789744U CN 212199242 U CN212199242 U CN 212199242U
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- Y—GENERAL 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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The utility model is suitable for an organic waste resource utilization equipment field provides a continuous dry process anaerobism-good oxygen doublestage coupling fermentation system, including feeding module, dry process anaerobic reaction module, ejection of compact module and good oxygen reaction module, feeding and ejection of compact module are all by two sections spirals and hollow tube combination collocation be connected, remain the fermentation material of take the altitude at any time in the hollow tube, ejection of compact module establishes ties anaerobic reaction module and good oxygen reaction module. The utility model discloses a bipolar coupling fermentation system, the fermentation material that is suitable for contains solid rate and can reach 20-40%, cooperatees with the hollow tube design, realizes the (dry process) continuous type feeding ejection of compact that the high solid rate agricultural discarded object that contains, can dynamic seal requirement such as again. The anaerobic reaction module and the aerobic reaction module are connected in series, so that the sealed continuous discharging function of the anaerobic fermentation module is ensured, meanwhile, the aerobic fermentation continuous feeding is completed, and the function of dynamically adjusting the bipolar fermentation process according to the requirements of gas fertilizer products is realized.
Description
Technical Field
The utility model belongs to organic waste resource utilization equipment field especially relates to a continuous dry process anaerobism-good oxygen doublestage coupling fermentation system.
Background
In recent years, with the continuous development of breeding industry, the yield of straws and livestock and poultry manure is increased year by year, the limitation of factors such as single technology, equipment shortage and the like causes that most agricultural wastes are not well treated and utilized, so that the problems of serious environmental pollution, natural ecological deterioration and the like are increasingly prominent.
The anaerobic fermentation technology can reduce and harmlessly convert wastes such as straws, excrement and the like into clean energy and organic fertilizer primary raw materials, is one of common technologies for recycling agricultural wastes, and is divided into wet anaerobic fermentation (TS is less than or equal to 12%) and dry anaerobic fermentation (dry fermentation for short, TS is more than or equal to 20) according to the solid content (TS) of materials in a reactor. Compared with the wet fermentation technology, the dry fermentation technology has high volumetric gas production rate; the occupied area is small; the operation process is stable, and the problems of scum, precipitation and the like in a wet process are avoided; the water demand is low or no water is needed, so that water resources are saved; less biogas slurry is generated, the water content of waste residue is low, the subsequent treatment cost is low, and the like, and the method is more and more favored by the market.
At present, in the aspect of dry fermentation, development work of anaerobic fermentation technology and equipment is carried out in European countries and China. The European dry fermentation is mainly a garage type dry anaerobic technology of Germany, China mainly discloses a horizontal baffling type dry anaerobic fermentation reaction device in a patent CN 102242052B, discloses a garage type anaerobic fermentation reactor in a patent CN 206768095U, provides a stirrer for dry anaerobic fermentation in a patent CN 209816130U and the like, is mainly a batch type fermentation mode, and is researched from the aspects of fermentation tank structure, stirring shaft design and the like.
According to the current dry fermentation engineering research on high solid content, batch type dry fermentation and continuous production of waste are in contradiction and can not meet the requirements; the closed environment in the reactor is easily damaged in the continuous feeding and discharging process, so that the fermentation fails; in addition, the continuous dry fermentation with high solid content has poor flowability and difficult feeding and discharging; the problems of low conversion rate and low efficiency exist in the treatment of agricultural wastes only by anaerobic fermentation; at present, biogas residues generated by anaerobic fermentation are usually discarded, but the biogas residues contain rich nutrient elements such as nitrogen, phosphorus, potassium and the like, the problems of difficult dehydration, high transfer and transportation cost and the like exist in the comprehensive utilization of the biogas residues, and a system for integrally completing dry anaerobic fermentation and aerobic fermentation and simultaneously completing organic fertilizer production does not exist at present.
Therefore, a new technical solution is needed in the prior art to solve the problem of resource utilization of agricultural wastes in the actual process.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a continuous dry anaerobic-aerobic two-stage coupling fermentation system, which adopts a sectional spiral structure in structure to adapt to the continuous feeding and discharging of high solid content waste; the spiral structure is connected with the hollow pipe, and materials with certain solid content rate are matched to realize synchronous sealing and linkage adjustment; the spiral structure is matched with the hollow pipe to couple and connect the dry anaerobic fermentation tank and the aerobic fermentation tank in a two-stage manner, so that the sealed environment of the anaerobic fermentation tank is not damaged, the continuous, stable and efficient production of gas is realized, meanwhile, the anaerobic gas production and aerobic fertilizer production anaerobic gas-fertilizer co-production fermentation treatment can be performed on the material, the utilization rate of the material is greatly improved, and the environmental pollution is reduced.
The utility model discloses a realize through following technical scheme:
can carry out anaerobism and aerobic continuous fermentation, it is convenient to pass in and out the material, and is sealed effectual, and process convenient operation need not carry out the operation of frequently going oxygen to anaerobic fermentation jar, and the material also can look over the encapsulated situation of material passageway in transmission process, also can calculate fermentation technological parameter according to the material condition of hollow tube, can carry out the fermentation respectively of anaerobism and aerobic to the material in addition, has improved the utilization ratio and the production efficiency of material, has reduced environmental pollution.
The utility model is realized in such a way, a continuous dry anaerobic-aerobic two-stage coupling fermentation system, which comprises a first feeding screw, a first hollow pipe, a second feeding screw, a dry anaerobic reaction module, a first material conveying screw, a second hollow pipe, a second material conveying screw and an aerobic reaction module;
the first feeding screw comprises a first feeding cylinder, a first feeding shaft and a feeding hopper, the first feeding shaft is arranged in the first feeding cylinder, the first feeding shaft and the first feeding cylinder are coaxially arranged, the top of one end of the first feeding cylinder is provided with one feeding hopper, and the bottom of the other end of the first feeding cylinder is provided with a first hollow pipe which is vertically arranged;
the second feeding screw comprises a second feeding cylinder and a second feeding shaft, the top of one end of the second feeding cylinder is provided with a feeding hole, the feeding hole is communicated with the first feeding cylinder through the first hollow pipe, the second feeding shaft is installed inside the second feeding cylinder, the second feeding shaft and the second feeding cylinder are coaxially arranged, and the lower surface of the upper end of the second feeding cylinder is provided with a discharging hole;
the dry anaerobic reaction module comprises an anaerobic fermentation tank and an anaerobic tank discharge pipe, the top of the anaerobic fermentation tank is connected with the discharge hole of the second feed cylinder, and the bottom of the anaerobic fermentation tank is connected with the anaerobic tank discharge pipe;
the first material conveying screw comprises a first material conveying cylinder and a first material conveying shaft, the first material conveying cylinder is arranged in an inclined mode, a feed inlet is formed in the upper surface of the lower end of the first material conveying cylinder and is communicated with a discharge pipe of the anaerobic tank through the discharge pipe of the anaerobic tank, the first material conveying shaft is installed inside the first material conveying cylinder, the first material conveying shaft and the first material conveying cylinder are arranged coaxially, the upper end of the lower surface of the first material conveying cylinder is connected with a second hollow pipe, and the second hollow pipe is arranged vertically;
the second feeding screw comprises a second feeding cylinder and a second feeding shaft, the second feeding cylinder is obliquely arranged, a feeding hole is formed in the upper surface of the lower end of the second feeding cylinder, the feeding hole is communicated with the first feeding cylinder through a second hollow tube, the second feeding shaft is installed in the second feeding cylinder, the second feeding shaft and the second feeding cylinder are coaxially arranged, and a discharging hole is formed in the lower surface of the upper end of the second feeding cylinder;
the aerobic reaction module comprises an aerobic fermentation tank and an aerobic tank discharge pipe, the top of the aerobic fermentation tank is connected with the discharge hole of the second feed delivery cylinder, the bottom of the aerobic fermentation tank is connected with the aerobic tank discharge pipe, and the aerobic tank discharge pipe is provided with a valve;
a first pressure release valve is installed at the upper end of the anaerobic fermentation tank, and a second pressure release valve is installed at the upper end of the aerobic fermentation tank.
Preferably, one end of the first feeding shaft, one end of the second feeding shaft, one end of the first material conveying shaft and one end of the second material conveying shaft are fixedly connected with the output end of a driving motor respectively.
Preferably, a first stirring shaft is installed in the anaerobic fermentation tank, one end of the first stirring shaft extends out of the top of the anaerobic fermentation tank and is fixedly connected with the output end of a first stirring motor, and a first helical blade is fixed on the outer wall of the first stirring shaft.
Preferably, a second stirring shaft is installed in the aerobic fermentation tank, one end of the second stirring shaft extends out of the top of the aerobic fermentation tank and is fixedly connected with the output end of a second stirring motor, and a second helical blade is fixed on the outer wall of the second stirring shaft.
Preferably, the first hollow tube and the second hollow tube are both made of transparent toughened glass materials.
Preferably, the first hollow tube and the second hollow tube are provided with height scales.
Preferably, the first hollow tube is provided with a first bin wall vibrator, and the second hollow tube is provided with a second bin wall vibrator.
Preferably, the anaerobic fermentation tank is communicated with the discharge port of the second feeding cylinder through an anaerobic tank feeding pipe, and the aerobic fermentation tank is communicated with the discharge port of the second feeding cylinder through an aerobic tank feeding pipe. The anaerobic jar inlet pipe with the aerobic jar inlet pipe all is equipped with the check valve, the check valve is including establishing the disk seat that corresponds the inlet pipe, the top in disk seat downside the ball valve and with the ball valve is connected and is fixed in and corresponds the orificial spring of feeding.
Preferably, the first hollow pipe, the first feeding cylinder and the second feeding cylinder are connected in a welded manner, the second hollow pipe, the first feeding cylinder and the second feeding cylinder can also be connected through bolts, sealing gaskets are arranged at the joints to achieve a sealing effect, the first hollow pipe or the second hollow pipe can be spliced in sections, so that the length of the hollow pipe can be adjusted flexibly through the splicing in sections, and the use of different processes and the installation and construction of various scenes are facilitated.
Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a continuous dry process anaerobism-good oxygen doublestage coupling fermentation system, through setting up the spiral feeding module by and the input and output material of business turn over material module, spiral feeding module and business turn over material module are all the hollow tube connection of adopting between two sections spirals, remain the material of take the altitude in the hollow tube at any time, utilize the characteristic of fermentation material moisture content about 60% -80%, cooperate with the hollow tube special design in the business turn over material module, reach can continuous type feeding, can sealed requirement again. The anaerobic reaction module and the aerobic reaction module are connected in series through the first discharging screw, the second hollow pipe and the second material conveying screw, so that the closed continuous discharging function of the anaerobic fermentation module is ensured, the aerobic fermentation continuous feeding is completed, and the function of dynamically adjusting the two-stage fermentation process according to the requirements of gas fertilizer products is realized. The system can realize continuous fermentation, has good sealing performance and high treatment efficiency, can dynamically adjust the two-stage fermentation effect, is convenient to use, and solves the problems of poor sealing performance of continuous fermentation, low single-stage fermentation efficiency, waste of biogas residue resources and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a continuous dry anaerobic-aerobic two-stage coupled fermentation system of the present invention;
fig. 2 is an enlarged schematic view of detail a in fig. 1.
In the figure:
11 feed hopper, 12 first feed cylinder, 13 first feed shaft, 14 first hollow tube, 141 first wall vibrator, 15 second feed cylinder, 16 second feed shaft, 21 anaerobic fermentation tank, 22 anaerobic tank discharge pipe, 23 anaerobic tank feed pipe, 24 first stirring motor, 211 first pressure release valve 25 first stirring shaft, 26 first helical blade, 31 first feed cylinder, 32 first feed shaft, 33 second hollow tube, 331 second wall vibrator, 34 second feed cylinder, 35 second feed shaft, 41 aerobic fermentation tank, 42 aerobic tank discharge pipe, 43, aerobic tank feed pipe, 44, second stirring motor, 411 second stirring shaft, 45 second stirring shaft, 46 second helical blade, pressure release valve 421, 5 one-way valve, 51 valve seat, 52 ball valve, 53 spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, the present invention provides a technical solution: a continuous dry anaerobic-aerobic two-stage coupling fermentation system comprises a first feeding screw, a second feeding screw, a dry anaerobic reaction module, a first material conveying screw, a second material conveying screw and an aerobic reaction module.
The first feeding screw comprises a first feeding cylinder 12, a first feeding shaft 13, a feeding hopper 11 and a first hollow pipe 14, the first feeding shaft 13 is installed inside the first feeding cylinder 12, the first feeding shaft 13 and the first feeding cylinder 12 are coaxially arranged, the top of one end of the first feeding cylinder 12 is provided with the feeding hopper 11, the bottom of the other end of the first feeding cylinder 12 is provided with the first hollow pipe 14 which is vertically arranged, and the outer wall of the first hollow pipe 14 is provided with a first bin wall vibrator 141.
The second feeding screw comprises a second feeding cylinder 15 and a second feeding shaft 16, the top of one end of the second feeding cylinder 15 is provided with a feeding hole, the feeding hole is communicated with the first feeding cylinder 12 through a first hollow pipe 14, the second feeding shaft 16 is arranged inside the second feeding cylinder 15, and the second feeding shaft 16 and the second feeding cylinder 15 are coaxially arranged.
The dry anaerobic reaction module comprises an anaerobic fermentation tank 21 and an anaerobic tank discharge pipe 22, the top of the anaerobic fermentation tank 21 is connected with the discharge hole of the second feed cylinder 15, and the bottom of the anaerobic fermentation tank 21 is connected with the anaerobic tank discharge pipe 22.
First defeated material spiral includes first defeated feed cylinder 31, first defeated material axle 32 and second hollow tube 33, first defeated feed cylinder 31 is the slope setting, the upper surface of the lower extreme of first defeated feed cylinder 31 has a feed inlet, the feed inlet passes through anaerobic jar discharging pipe 22 intercommunication anaerobic fermentation jar 21, first defeated material axle 32 is installed inside first defeated feed cylinder 31, first defeated material axle 32 is coaxial setting with first defeated feed cylinder 31, the upper end of the lower surface of first defeated feed cylinder 31 is connected with a second hollow tube 33, second hollow tube 33 is the perpendicular setting, the outer wall of second hollow tube 33 is provided with second bulkhead vibrator 331.
The second feeding screw comprises a second feeding cylinder 34 and a second feeding shaft 35, the second feeding cylinder 34 is arranged obliquely, the upper surface of the lower end of the second feeding cylinder 34 is provided with a feeding hole, the feeding hole is communicated with the first feeding cylinder 31 through a second hollow tube 33, the second feeding shaft 35 is arranged in the second feeding cylinder 34, and the second feeding shaft 35 and the second feeding cylinder 34 are arranged coaxially.
The aerobic reaction module comprises an aerobic fermentation tank 41 and an aerobic tank discharge pipe 42, the top of the aerobic fermentation tank 41 is connected with the discharge hole of the second feed delivery cylinder 34, the bottom of the aerobic fermentation tank 41 is connected with the aerobic tank discharge pipe 42, and the aerobic tank discharge pipe is provided with a valve 421.
In the present embodiment, the first feeder cylinder 12 and the second feeder cylinder 15 are disposed obliquely, and the second feeder cylinder 15 is located below the first feeder cylinder 12. The first hollow tube 14 and the second hollow tube 33 are both vertically disposed. The first hollow pipe 14 is connected at both ends thereof to the first feed cylinder 12 and the second feed cylinder 15 by welding. The first hollow tube 31 and the second hollow tube 34 are connected at both ends thereof by welding. The feed hopper 11 is used for feeding a material to be fermented by a user, the material enters the first feed cylinder 12, the first feed shaft 13 conveys the material in the first hollow tube 14 when rotating, then the material enters the second feed cylinder 15, the second feed shaft 16 conveys the material in the anaerobic fermentation tank 21 when rotating, after the material is anaerobically fermented in the anaerobic fermentation tank 21, the material is conveyed to the second hollow tube 33 from the first feed cylinder 31 through the first feed shaft 32, the material in the second hollow tube 33 flows into the second feed cylinder 34, and the material is conveyed to the aerobic fermentation tank 41 when the second feed shaft 35 rotates. After the fermentation in the aerobic fermentation tank 41 is completed, the fermented material passes through the discharge pipe 42 of the aerobic tank, and the valve 421 is opened to discharge the fermented organic fertilizer. In the fermentation process, materials with certain heights are kept in the first hollow tube 14 and the second hollow tube 33 at any time, the first feeding cylinder 12, the second feeding cylinder 34 and the anaerobic fermentation tank 21 are blocked from being directly communicated, air is prevented from entering the anaerobic fermentation tank, and the dynamic sealing of the materials and the hollow tubes is realized. In other embodiments, the first feeding screw 1, the second feeding screw 2, the first transporting screw 4 and the second transporting screw 5 may adopt other types of conveying devices. And a material level measuring instrument for detecting the height of the material can be arranged on the top wall in the anaerobic fermentation tank 21, so that a user can conveniently obtain the height of the material in the anaerobic fermentation tank 21 in real time. In other embodiments, 1-2 observation windows can be installed on the anaerobic fermentation tank 21 for users to observe the height of the material.
Further, one end of the first feeding shaft 13, one end of the second feeding shaft 16, one end of the first feeding shaft 32 and one end of the second feeding shaft 35 are fixedly connected to an output end of a driving motor, respectively.
In this embodiment, a driving motor is installed at the end of each of the first feeding cylinder 12, the second feeding cylinder 15, the first feeding cylinder 31 and the second feeding cylinder 34, and is used for driving the first feeding shaft 13, the second feeding shaft 16, the first feeding shaft 32 and the second feeding shaft 35 to rotate, and the driving motor is connected to an external power source.
Further, a first stirring shaft 25 is installed in the anaerobic fermentation tank 21, one end of the first stirring shaft 25 extends out of the top of the anaerobic fermentation tank 21 and is fixedly connected with the output end of a first stirring motor 24, and a first helical blade 26 is fixed on the outer wall of the first stirring shaft 25.
Further, a second stirring shaft 45 is installed in the aerobic fermentation tank 41, one end of the second stirring shaft 45 extends out from the top of the aerobic fermentation tank 41 and is fixedly connected with the output end of a second stirring motor 44, and a second helical blade 46 is fixed on the outer wall of the second stirring shaft 45.
In this embodiment, the first stirring motor 24 is used to drive the first stirring shaft 25 to rotate, the first stirring shaft 25 stirs the materials in the anaerobic fermentation tank 21 through the first helical blade 26 to improve the fermentation effect, and the first stirring motor 24 is connected to an external power source. The second stirring motor 44 is used for driving the second stirring shaft 45 to rotate, the second stirring shaft 45 stirs the materials in the aerobic fermentation tank 41 through the second helical blade 46 so as to improve the fermentation effect, and the second stirring motor 44 is connected with an external power supply.
Further, the first hollow tube 14 and the second hollow tube 33 are made of transparent tempered glass material.
In this embodiment, the first hollow tube 14 and the second hollow tube 33 made of the tempered glass material have stable structures and good light transmission effects, so that a user can observe the material state conveniently.
Furthermore, the first hollow tube 14 and the second hollow tube 33 are provided with height scales, so that an operator can conveniently observe the height of the material in the hollow tubes, the process optimization and research are facilitated, and other various automatic height detection devices, such as an infrared height detection device and the like, can be installed.
Further, a first silo wall vibrator 141 is arranged on the outer wall of the first hollow pipe 14, and a second silo wall vibrator 331 is arranged on the second hollow pipe 33. The bin wall vibrator is an energy-saving universal product using a vibration motor as an excitation source, and effectively eliminates the phenomena of bridging, arching, blocking and the like caused by internal friction, deliquescence, electrification, composition segregation and the like by means of high-frequency vibration and impact force, so that materials are smoothly discharged from a bin opening, and one of necessary devices for stable feeding is ensured. The bin vibrator can ensure that solid or semi-solid raw materials are not easy to hang on the wall, improve the density of the settled materials and improve the air tightness.
Further, the anaerobic fermentation tank 21 is communicated with a discharge hole of the second feeding cylinder 15 through an anaerobic tank feeding pipe 23, and materials can enter the anaerobic fermentation tank 21 through the anaerobic tank feeding pipe 23; the aerobic fermentation tank 41 is communicated with the discharge hole of the second material conveying cylinder 34 through an aerobic tank feeding pipe 43, and materials can enter the aerobic fermentation tank 41 through the aerobic tank feeding pipe 43. The inlet pipe can make things convenient for the complete set of dry process continuous fermentation device of dismouting, also can set up other devices such as ooff valve, makes things convenient for the later stage optimization improvement of device.
Furthermore, the anaerobic fermentation tank 21 is communicated with the discharge hole of the second feed cylinder 15 through an anaerobic tank feed pipe 23, and the aerobic fermentation tank 41 is communicated with the discharge hole of the second feed cylinder 34 through an aerobic tank feed pipe 43. Anaerobic jar inlet pipe 23 with aerobic jar inlet pipe 43 all is equipped with check valve 5, check valve 5 is including establishing the disk seat 51 that corresponds the inlet pipe, the top in the disk seat downside ball valve 52 and with ball valve 52 connects and is fixed in the orificial spring 53 of corresponding feeding.
In this embodiment, the check valve 5 prevents the fermentation tank, no matter the gas of the aerobic fermentation tank 41 or the anaerobic fermentation tank 21 flows backwards into the corresponding hollow tube, in addition, the check valve 5 can adjust the pressure of the outlet of the second feeding cylinder 15 and the second feeding cylinder 34 through the adjusting spring 53, through increasing the pressure of the outlet of the second feeding cylinder 15 and the second feeding cylinder 34, the density of the material in the second feeding cylinder 15 and the second feeding cylinder 34 is improved, the air tightness is improved, and the pressure of the spring can be adjusted, thereby facilitating the optimization of different material processes, the elasticity of different springs is used at different solid contents, the rotation speed of the second feeding shaft 16 and the second feeding shaft 35 is matched, the optimized design of the process is carried out, and the fermentation equipment is more convenient to use.
Furthermore, the first hollow tube 14, the first feeding cylinder 12 and the second feeding cylinder 15, the second hollow tube 33, the first feeding cylinder 31 and the second feeding cylinder 34 can be welded and fixed together, and can also be connected by bolts, sealing gaskets are mounted at the joints to play a sealing role, and the first hollow tube 14 or the second hollow tube 33 can also be spliced in sections, so that the length of the hollow tube can be adjusted more flexibly by splicing in sections, and the use of different processes and the installation and construction of various scenes are facilitated.
The utility model discloses a theory of operation and use flow: the utility model discloses the installation is good after, carries out the preliminary treatment of raw materials earlier, makes its fermentation material moisture content reach 60% ~ 80%. The user will wait that the fermented material drops into feeder hopper 11, and the material gets into first feed cylinder 12, in first hollow tube 14 with the material conveying when first feeding axle 13 is rotatory, then get into second feed cylinder 15, convey the material to anaerobic fermentation tank 21 when second feeding axle 16 is rotatory in, the material carries out anaerobic fermentation back in anaerobic fermentation tank 21, anaerobic fermentation tank 21 when fermenting for the first time need pass through the oxygen removal operation, follow-up will not need to carry out the operation that research and development fermentation tank 21 went oxygen again in the material fermentation of same batch. The material is conveyed from the first material conveying cylinder 31 to the second hollow pipe 33 through the first material conveying shaft 32, the material in the second hollow pipe 33 flows into the second material conveying cylinder 34, the material is conveyed into the aerobic fermentation tank 41 when the second material conveying shaft 35 rotates, the fermentation of the aerobic fermentation tank 41 is completed, the fermented material passes through the aerobic tank discharging pipe 42, and the valve 421 is opened to discharge waste materials.
The utility model provides a doublestage coupling fermentation system can carry out dry process anaerobism-good oxygen doublestage continuous type fermentation, and the business turn over material is convenient, and the material can have a take the altitude material all the time through making in first hollow tube 14 and the second hollow tube 33 in the transmission course, makes good oxygen fermentation cylinder 21 can be in encapsulated situation all the time at the in-process of business turn over material, again can going on of continuous type business turn over material, has improved the utilization ratio of fermentation efficiency and material greatly. The first pressure release valve 211 can release pressure when the air pressure of the anaerobic fermentation tank 21 is too high, and the second pressure release valve 411 can release pressure when the air pressure of the aerobic fermentation tank 41 is too high, so that the device is safer to operate.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A continuous dry anaerobic-aerobic two-stage coupling fermentation system is characterized in that: comprises a feeding module, a dry anaerobic reaction module, a discharging module and an aerobic reaction module;
the feed module comprises a first feed screw, a first hollow tube, and a second feed screw;
the first feeding screw is arranged inside a first feeding cylinder through a first feeding shaft, the first feeding shaft and the first feeding cylinder are coaxially arranged, a feeding hopper is arranged at the top of one end of the first feeding cylinder, and the bottom of the other end of the first feeding cylinder is connected with a first hollow pipe which is vertically arranged;
the second feeding screw comprises a second feeding cylinder and a second feeding shaft, a feeding hole is formed in the top of one end of the second feeding cylinder, the feeding hole is communicated with the first feeding cylinder through the first hollow pipe, the second feeding shaft is installed inside the second feeding cylinder, the second feeding shaft and the second feeding cylinder are coaxially arranged, and a discharging hole is formed in the lower surface of the upper end of the second feeding cylinder;
the dry anaerobic reaction module comprises an anaerobic fermentation tank and an anaerobic tank discharge pipe, the top of the anaerobic fermentation tank is connected with the discharge hole of the second feed cylinder, and the bottom of the anaerobic fermentation tank is connected with the anaerobic tank discharge pipe;
the discharging module comprises a first material conveying spiral, a second hollow pipe and a second material conveying spiral;
the first material conveying screw comprises a first material conveying cylinder and a first material conveying shaft, a material inlet is formed in the upper surface of the lower end of the first material conveying cylinder, the material inlet is communicated with a material outlet pipe of the anaerobic tank through a material outlet pipe of the anaerobic tank, the first material conveying shaft is installed inside the first material conveying cylinder, the first material conveying shaft and the first material conveying cylinder are coaxially arranged, and the upper end of the lower surface of the first material conveying cylinder is connected with a second hollow pipe which is vertically arranged;
the second material conveying screw comprises a second material conveying cylinder and a second material conveying shaft, a material inlet is formed in the upper surface of the lower end of the second material conveying cylinder, the material inlet is communicated with the first material conveying cylinder through the second hollow pipe, the second material conveying shaft is installed in the second material conveying cylinder, the second material conveying shaft and the second material conveying cylinder are coaxially arranged, and a material outlet is formed in the lower surface of the upper end of the second material conveying cylinder;
the aerobic reaction module comprises an aerobic fermentation tank and an aerobic tank discharge pipe, the top of the aerobic fermentation tank is connected with the discharge hole of the second feed delivery cylinder, the bottom of the aerobic fermentation tank is connected with the aerobic tank discharge pipe, and the aerobic tank discharge pipe is provided with a valve;
and the aerobic fermentation tank and the anaerobic fermentation tank are respectively provided with a pressure release valve.
2. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: one end of the first feeding shaft, one end of the second feeding shaft, one end of the first material conveying shaft and one end of the second material conveying shaft are fixedly connected with the output end of a driving motor respectively.
3. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: install a first (mixing) shaft in the anaerobic fermentation jar, the one end of first (mixing) shaft is followed anaerobic fermentation jar's top stretches out and the output of a fixed connection first agitator motor, be fixed with first helical blade on the outer wall of first (mixing) shaft.
4. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: the aerobic fermentation tank is internally provided with a second stirring shaft, one end of the second stirring shaft extends out of the top of the aerobic fermentation tank and is fixedly connected with the output end of a second stirring motor, and a second helical blade is fixed on the outer wall of the second stirring shaft.
5. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: the first hollow tube and the second hollow tube are both made of transparent toughened glass materials.
6. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 5, wherein: the first hollow pipe and the second hollow pipe are provided with height scales.
7. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 6, wherein: the first hollow pipe and the second hollow pipe are both provided with bin wall vibrators.
8. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: the anaerobic fermentation tank is communicated with a discharge port of the second feed cylinder through an anaerobic tank feed pipe, and the aerobic fermentation tank is communicated with a discharge port of the second feed cylinder through an aerobic tank feed pipe.
9. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 8, wherein: the anaerobic jar inlet pipe with the aerobic jar inlet pipe all is equipped with the check valve, the check valve is including establishing the disk seat that corresponds the inlet pipe, the top in disk seat downside the ball valve and with the ball valve is connected and is fixed in and corresponds the orificial spring of feeding.
10. The continuous dry anaerobic-aerobic two-stage coupled fermentation system of claim 1, wherein: the first feeding screw, the first hollow pipe and the second feeding screw are connected in a welding mode; the first material conveying spiral, the second hollow pipe and the second material conveying spiral are connected in a welding mode.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164085A (en) * | 2021-12-01 | 2022-03-11 | 上海坚蚕环境科技有限公司 | Anaerobic and aerobic combined fermentation process system |
| CN114907156A (en) * | 2022-05-07 | 2022-08-16 | 陕西省生物农业研究所 | Novel organic fertilizer decomposing method and device |
-
2020
- 2020-05-13 CN CN202020789744.7U patent/CN212199242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164085A (en) * | 2021-12-01 | 2022-03-11 | 上海坚蚕环境科技有限公司 | Anaerobic and aerobic combined fermentation process system |
| CN114907156A (en) * | 2022-05-07 | 2022-08-16 | 陕西省生物农业研究所 | Novel organic fertilizer decomposing method and device |
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