CN211035643U - Stable and rapid anaerobic fermentation device for breeding manure - Google Patents
Stable and rapid anaerobic fermentation device for breeding manure Download PDFInfo
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- CN211035643U CN211035643U CN201922041100.XU CN201922041100U CN211035643U CN 211035643 U CN211035643 U CN 211035643U CN 201922041100 U CN201922041100 U CN 201922041100U CN 211035643 U CN211035643 U CN 211035643U
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Abstract
The utility model discloses a stable and rapid anaerobic fermentation device for breeding manure, which comprises a stirring feeder, a feeding and discharging sealing device connected with the stirring feeder, an anaerobic fermentation tank body connected with the feeding and discharging sealing device, shaftless composite spiral stirring blades arranged in the anaerobic fermentation tank body, a driving device for driving the shaftless composite spiral stirring blades to rotate, and a heating coil arranged in the anaerobic fermentation tank body; the stirring feeder is positioned at the first section of the whole device, the shaftless composite spiral stirring blade comprises a left spiral blade and a right spiral blade, the left spiral blade is close to the center of the fermentation tank, the right spiral blade is far away from the center of the fermentation tank, and the spiral directions of the left spiral blade and the right spiral blade are opposite when the left spiral blade and the right spiral blade are driven by the driving device. The anaerobic fermentation device integrates stirring and turning, realizes stirring without dead angles, and ensures no air leakage.
Description
Technical Field
The utility model relates to a stable quick anaerobic fermentation device of breeding excrement sediment, in particular to high-efficient anaerobic fermentation equipment is handled to excrement sediment.
Background
With the development of large-scale livestock and poultry breeding, due to the factors of unreasonable layout, large manure residue production amount, poor environmental protection consciousness, low treatment level, insufficient capital investment and the like, livestock and poultry breeding pollution becomes one of the main sources of non-point source pollution in rural areas, pollution is caused to the ecological environment in urban and rural areas, the opportunity of disease propagation is increased, and the pollution becomes a social problem which cannot be ignored.
At present, the treatment mode of the livestock and poultry manure is still in a dispersed accumulation fermentation stage, and the fermentation degrees are different. The excrement accumulated at will is not easy to be directly fertilized, and the phenomena of insufficient fertility and seedling burning by secondary fermentation exist. Livestock and poultry manure randomly accumulated by a large-scale feeding farm accumulates day by month, and generally forms pollution harm after the farm is built for three years.
In order to reduce the serious burden of the breeding manure on the environment, the manure is treated in an anaerobic fermentation mode, and the manure is converted into living energy and plant organic fertilizer by using an anaerobic methane production technology, so that the manure resource is recycled, and the purpose of reducing emission is achieved. The method solves the problem of pollution of the culture manure, fully utilizes resources, optimizes planting and culture environments, and realizes resource recycling.
Aiming at the problems that the water content of the excrement slag is high, the solid content is high (not less than 15%), the excrement slag particles are large, the shaft is easy to break, the stirring blades are easy to break, the excrement slag particles are large, stirring is not uniform, the stirring effect is poor, the excrement slag fermentation speed is low, the working efficiency is low, gas production is low, energy consumption is high and the like in the anaerobic fermentation process of the existing anaerobic fermentation device, the stable and rapid excrement slag anaerobic fermentation device capable of better treating the excrement slag is necessary, and other useful resources can be generated in the treatment process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the fermentation time of present anaerobic jar is long, easy acidizing, the power consumption is high, poor stability, easy broken axle, easy rupture blade etc. designs a breed stable quick anaerobic fermentation device of excrement sediment, can pass in and out the material in succession, and the anaerobe survival rate is high, and medium-high temperature fermentation, it is high to produce gas, and energy loss is few, and the anaerobe jar stirs no dead angle, can realize breeding the excrement sediment fermentation fast, strengthens the rigidity and the intensity of blade, pivot simultaneously, prevents broken axle and blade rupture.
In order to solve the above problems, the utility model provides a following technical scheme:
a stable and rapid anaerobic fermentation device for culture manure comprises a stirring feeder, a feeding and discharging sealing device connected with the stirring feeder, an anaerobic fermentation tank body connected with the feeding and discharging sealing device, shaftless composite spiral stirring blades arranged in the anaerobic fermentation tank body, a driving device used for driving the shaftless composite spiral stirring blades to rotate, and a heating coil arranged in the anaerobic fermentation tank body; the stirring feeder is positioned at the first section of the whole device, the shaftless composite spiral stirring blade comprises a left spiral blade and a right spiral blade, the left spiral blade is close to the center of the fermentation tank, the right spiral blade is far away from the center of the fermentation tank, and the spiral directions of the left spiral blade and the right spiral blade are opposite when the left spiral blade and the right spiral blade are driven by the driving device.
Optionally, the anaerobic fermentation tank is provided with a plurality of rigid columns in the axial direction, and the plurality of rigid columns are arranged on the same cylindrical surface where the left helical blade and the right helical blade are connected.
Optionally, the left helical blade symmetrically extends from the center of the anaerobic fermentation tank to the tank wall, and the total width of the left helical blade is about two thirds of the diameter of the anaerobic fermentation tank; the right helical blade extends from the middle of the tank wall of the anaerobic fermentation tank in the circumferential direction, and the total width of the right helical blade is about one third of the diameter of the anaerobic fermentation tank.
Optionally, a feeding channel is arranged in the feeding and discharging sealing device, and a gate for separating the feeding bin and the discharging bin is arranged on the feeding channel.
Optionally, the gate includes upper gate and lower gate, is feeding storehouse, upper gate, lower gate and lower feed bin in proper order along the direction of feed, and one opens one and closes and realize feedstock channel's sealed through explosion proof machine drive upper and lower gate. The upper gate and the lower gate are opened according to the sealing requirement, so that the sealing of the whole device is ensured, and no air enters in the discharging process.
Optionally, the upper end and the lower end of the shaftless composite spiral stirring blade are respectively fixedly connected with an upper hollow plate and a lower hollow plate, the upper hollow plate is sequentially connected with the coupler and the driving device through a hollow shaft, and the lower hollow plate is sequentially connected with the bearing seat device and the support through the hollow shaft.
Optionally, the edge of the right helical blade substantially contacts the inner wall of the fermentor.
Optionally, the rigid columns are arranged on the same cylindrical surface where the left helical blade and the right helical blade are connected and symmetrically distributed.
Optionally, the heating coils are evenly distributed close to the inner wall of the anaerobic fermenter.
Optionally, a biogas treatment and collection device is arranged at the top end of the anaerobic fermentation tank body.
Optionally, the front end of the stirring feeder is provided with a filter screen, and the rear end of the stirring feeder is provided with a multi-shaft linkage crusher.
Optionally, a plurality of crushing cutters are mounted on the shaft of the crusher, and the lower portion of the crusher is connected with the feeding channel.
Optionally, the feeding and discharging sealing device is provided with a bearing frame and a slide rail arranged on the bearing frame, and the gate can slide on the slide rail. The drawing is convenient and the resistance is low.
Has the advantages that:
(1) the utility model has the advantages of simple structure, automatic control, energy saving, environmental protection, safety and reliability, no dead angle, capability of maintaining the stable and rapid fermentation condition of the excrement slag, and function of realizing benefit maximization by utilizing the excrement slag.
(2) The equipment has good durability, is not easy to rust and corrode;
(3) the sealing effect is good, and anaerobic bacteria can grow easily;
(4) the heating is rapid and uniform, and a favorable fermentation environment can be well maintained;
(5) the material is turned and thrown evenly and stirred by the shaftless composite spiral stirring blade without dead angles, so that the acidification phenomenon is prevented;
(5) the defects of high solid content (not less than 15%), large excrement slag particles, easy broken shaft and easy broken stirring blade are overcome, and the service life of the whole equipment is greatly prolonged;
(6) after one-time inoculation, the left helical blade at the center realizes downward turning and throwing of materials, and the peripheral helical blades realize upward turning and throwing of materials, so that the circular production of strains can be ensured without further inoculation;
(7) green clean energy is used in the fermentation process, and the method is energy-saving and environment-friendly.
In addition, the device has the characteristics of simple structure, convenience in operation, small floor area, short fermentation period, high fermentation efficiency, stable medium and low temperature environment, automatic operation, convenience in control, energy conservation, environmental friendliness, capability of maintaining stable and rapid fermentation conditions of the excrement residues, function of realizing benefit maximization by utilizing the excrement residues and the like. The device has remarkable social and ecological benefits and is ideal livestock and poultry manure rapid fermentation equipment for the breeding industry.
Drawings
FIG. 1 is a schematic view of the overall structure of the stable and rapid anaerobic fermentation device for cultivating manure;
FIG. 2 is a schematic structural view of a feeding and discharging sealing device of the stable and rapid anaerobic fermentation device for cultivating manure of the utility model;
FIG. 3 is a schematic structural view of a shaftless composite helical stirring blade of the stable and rapid anaerobic fermentation device for cultivating manure of the utility model;
FIG. 4 is a schematic diagram of the rigid column structure of the stable and rapid anaerobic fermentation device for cultivating manure.
Reference numerals:
1. stirring and feeding the materials to a feeder; 2. a feeding and discharging sealing device; 3. a sensor device; 4. a heating coil; 5. anaerobic fermentation tank; 6. a baffle; 7. a cover plate; 8. sealing the disc; 9. a discharge channel; 201. feeding a bin; 202. an upper gate; 203. a lower gate; 204. discharging a bin; 205. an explosion-proof motor I; 206. an upper slide rail; 207. a load-bearing frame; 208. an explosion-proof motor II; 209. a lower slide rail; 301. a lower hollowed-out plate; 302. a bearing mount; 303. a right helical blade; 304. a left helical blade; 305. an upper hollow plate; 306. a coupling; 307. a drive device; 308. a rigid column.
Detailed Description
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 and 3, the utility model relates to a stable and rapid anaerobic fermentation device for breeding manure, which comprises a stirring feeder 1, a feeding and discharging sealing device 2 connected with the stirring feeder 1, an anaerobic fermentation tank 5 connected with the feeding and discharging sealing device 2, a shaftless composite helical stirring blade arranged in the anaerobic fermentation tank 5, a driving device 307 for driving the shaftless composite helical stirring blade to rotate, and a heating coil 4 arranged in the anaerobic fermentation tank 5; the stirring feeder 1 is positioned at the first section of the whole device, the shaftless composite spiral stirring blade comprises a left spiral blade 304 arranged close to the center of the fermentation tank and a right spiral blade 303 arranged far away from the center of the fermentation tank, and the spiral directions of the left spiral blade 304 and the right spiral blade 303 are opposite when the driving device 307 drives the left spiral blade and the right spiral blade.
As shown in fig. 1, the lower end of the stirring feeder 1 is connected with a feeding and discharging sealing device 2, a heating coil 4 is distributed in the anaerobic fermentation tank 5, a guide plate 6 is arranged at the bottom, stacking of dung residues can be prevented through the guide plate 6 in the process of up-down overturning and stirring at the bottom of the anaerobic fermentation tank 5 to generate a stirring dead angle, the whole anaerobic fermentation tank 5 is sealed through a cover plate 7 and a sealing disc 8, a discharge channel 9 is positioned at the bottom of the anaerobic fermentation tank 5, a plurality of sensor devices 3 are arranged around the anaerobic fermentation tank 5, the sensor devices 3 comprise pressure sensors, temperature sensors, liquid level sensors and the like, the sensors are connected with a controller, so that environmental parameters in the anaerobic fermentation tank 5 can be monitored, for example, the heat productivity of the heating coil 4 is controlled according to the data of the temperature sensors.
Referring to fig. 4, optionally, a plurality of rigid columns 308 are arranged in the axial direction of the anaerobic fermentation tank 5, and the plurality of rigid columns 308 are arranged on the same cylindrical surface where the left helical blade 304 and the right helical blade 303 meet.
The shaftless composite spiral stirring blade is arranged in the middle of the fermentation tank body, the upper end fixedly connected hollow plate is connected with a driving device 307 (a hydraulic motor or a motor) through a hollow shaft and a coupler 306 in sequence, and the lower end fixedly connected hollow plate is connected with the bearing base 302 and the bracket through the hollow shaft; the area of the shaftless composite spiral stirring blade close to the center of the fermentation tank is a left spiral blade 304, and the area far away from the center is a right spiral blade 303; the rigid upright columns 308 are symmetrically arranged on the same cylindrical surface where the left and right spiral blades 303 are connected and are symmetrically distributed, and the left and right spiral blades 303 are fixedly connected to the upright columns so as to enhance the rigidity and strength of the blades and the rotating shaft and prevent broken shafts and blades from being broken.
The driving device 307 drives the left helical blade 304 of the near shaft to rotate clockwise and the right helical blade 303 of the far shaft to rotate anticlockwise, so that the circular motion of downward turning of middle materials and upward turning of peripheral materials in the fermentation tank can be realized, the stirring is uniform, no dead angle exists, and strains are continuously grafted.
Optionally, the left helical blade 304 extends symmetrically from the center of the anaerobic fermentation tank 5 to the tank wall, and the total width is about two thirds of the diameter of the anaerobic fermentation tank 5; the right helical blade 303 extends from the middle of the periphery of the wall of the anaerobic fermentation tank 5, and the total width is about one third of the diameter of the anaerobic fermentation tank 5.
Shaftless composite spiral stirring vane, including being close to the fermentation cylinder axis and accounting for about the left helical blade 304 of jar footpath 2/3 and keeping away from the right helical blade 303 that the fermentation cylinder axis accounts for about jar footpath 1/3, right helical blade 303 edge fully contacts fermentation cylinder inner wall, inside this shaftless composite spiral stirring vane is sufficient whole fermentation cylinder.
Referring to fig. 2, optionally, a feeding channel is provided in the feeding and discharging sealing device 2, and a gate for separating the upper bin 201 and the lower bin 204 is provided on the feeding channel.
Optionally, the gate comprises an upper gate 202 and a lower gate 203, the feeding bin, the upper gate 202, the lower gate 203 and the lower bin 204 are arranged in sequence along the feeding direction, and the sealing of the feeding channel is realized by driving the upper gate 203 and the lower gate 203 to open and close through an explosion-proof motor. The upper and lower gates 203 are opened according to the sealing requirement, so that the sealing of the whole device is ensured, and no air enters in the blanking process.
Optionally, the upper end and the lower end of the shaftless composite helical mixing blade are respectively fixedly connected with an upper hollow plate 305 and a lower hollow plate 301, the upper hollow plate 305 is sequentially connected with a coupler 306 and a driving device 307 through a hollow shaft, and the lower hollow plate 301 is sequentially connected with a bearing seat device and a support through a hollow shaft.
Optionally, the edge of the right helical blade 303 is in full contact with the inner wall of the fermentor.
Optionally, the rigid columns 308 are arranged on the same cylindrical surface where the left helical blade 304 and the right helical blade 303 meet and are symmetrically distributed.
Optionally, the heating coils 4 are evenly distributed against the inner wall of the anaerobic fermentation tank 5.
Optionally, a biogas treatment and collection device is arranged at the top end of the anaerobic fermentation tank 5.
Optionally, the front end of the stirring feeder 1 is provided with a filter screen, and the rear end is provided with a multi-shaft linkage crusher.
Optionally, a plurality of crushing cutters are mounted on the shaft of the crusher, and the lower portion of the crusher is connected with the feeding channel.
Alternatively, the charging and discharging sealing device 2 is provided with a bearing frame 207 and a slide rail disposed on the bearing frame 207, and the gate can slide on the slide rail. The drawing is convenient and the resistance is low.
Business turn over material sealing device 2, include upper and lower gate 203 that sets up at feedstock channel, explosion-proof machine and gate fixed connection, one open one of upper and lower gate 203 of explosion-proof machine drive realizes feedstock channel's sealed, set up the gate and slide on the slide rail, bearing frame 207 supports whole slide rail and upper and lower gate 203, guarantees that the pull is convenient, and the resistance is few. During feeding, the upper gate 202 is opened to the limit position, and the lower gate 203 is closed; during discharging, the upper gate 202 is closed, and the lower gate 203 is opened to the limit position. The upper gate 203 and the lower gate 203 are coordinated to ensure that a closed space is formed by the upper gate 203 and the lower gate 203 in the feeding and discharging process, so that continuous feeding and discharging can be realized in the feeding and discharging process, and the anaerobic environment is maintained.
Furthermore, the anaerobic fermentation tank 5 is cylindrical, and the biogas treatment and collection device is positioned at the top end of the fermentation tank body.
Further explaining, the feeding and discharging sealing device 2 of the present invention is shown in fig. 2, and sequentially comprises from top to bottom: the device comprises an upper bin 201, an upper gate 202, a first explosion-proof motor 205, an upper sliding rail 206, a lower gate 203, a second explosion-proof motor 208, a bearing frame 207, a lower sliding rail 209 and a lower bin 204, wherein the upper gate 203 and the lower gate 203 are in a closed state in an initial state, during feeding, the upper bin 201 is opened, the first explosion-proof motor 205 drives the upper gate 202 to move on the upper sliding rail 206 until the upper gate 202 is in an open state, namely the position of a double-dot chain line in the figure, the lower gate 203 is always in a closed state, feeding is completed, and the upper gate 202 is closed. During discharging, the lower bin 204 is opened, the second explosion-proof motor 208 drives the lower gate 203 to move on the lower sliding rail 209 until the lower gate 203 is in an open state, namely, the position of the double-dot chain line in the figure, the upper gate 202 is always in a closed state, discharging is completed, and the lower gate 203 is closed.
Furthermore, a discharging channel 9 below the anaerobic fermentation tank 5 is also provided with a feeding and discharging sealing device 2 which comprises a gate, an explosion-proof motor and the like and is the same as the feeding channel, so as to further ensure that the sealing and the air tightness are kept in the discharging process.
The utility model discloses a shaftless composite spiral stirring vane is as shown in figure 3, and from the top down is in proper order: the tank diameter area of about 0-2/3D close to the center of the fermentation tank is the left helical blade 304, and the tank diameter area of about 2/3D-D far away from the center is the right helical blade 303.
The utility model discloses a rigidity stand 308 is as shown in fig. 4, including symmetrical arrangement's many stands, the stand both ends are connected in upper and lower fretwork board, and the stand arranges on the same face of cylinder of left helical blade 304, right helical blade 303 handing-over and is symmetrical distribution, guarantees that the difficult twist-off of pole, blade do not break.
The specific working examples of the preferred embodiment of the present invention are as follows:
and starting a driving device 307, sending untreated excrement and slag into the feeding hole, filtering redundant moisture into the water storage chamber by stirring a filter screen in the feeder 1 while conveying the excrement and slag by the spiral blade, sending the excrement and slag with redundant moisture removed into a crusher, crushing the excrement and slag, and feeding by sequentially opening an upper gate 202 of the feeding and discharging device. The treated manure enters an anaerobic fermentation tank 5, and the movement mode of the materials in the anaerobic fermentation tank 5 is as follows: the central material is turned downwards, the peripheral materials are turned upwards, and the internal part of the anaerobic fermentation tank 5 circularly moves, so that the aims of fully and uniformly stirring, no dead angle and strain circulation are fulfilled. The heating coil 4 can be communicated with hot oil, steam, residual heat of biogas power generation and the like to keep the temperature of the anaerobic tank at 55-65 ℃, so that the whole anaerobic fermentation process keeps stable temperature, and the aim of rapid fermentation is fulfilled. When the pressure value detected by the pressure sensor reaches a certain value, the biogas is processed and then the clean biogas is directly conveyed to a user.
Carry out real time monitoring to tank internal temperature, humidity, tolerance in order to ferment the process, realize the automation, the utility model discloses further preferred scheme is for setting up corresponding sensing device in that the fermentation cylinder is inside, carries out automatic control through P L C to whole equipment, ensures that the anaerobic fermentation process is stable quick, energy-concerving and environment-protective and high-efficient safety.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into within the protection scope the utility model discloses the technique that does not relate to all can realize through prior art.
Claims (10)
1. The utility model provides a breed stable quick anaerobic fermentation device of excrement sediment which characterized in that: the anaerobic fermentation tank comprises a stirring feeder, a feeding and discharging sealing device connected with the stirring feeder, an anaerobic fermentation tank body connected with the feeding and discharging sealing device, shaftless composite spiral stirring blades arranged in the anaerobic fermentation tank body, a driving device used for driving the shaftless composite spiral stirring blades to rotate, and a heating coil arranged in the anaerobic fermentation tank body; the stirring feeder is positioned at the first section of the whole device, the shaftless composite spiral stirring blade comprises a left spiral blade and a right spiral blade, the left spiral blade is close to the center of the fermentation tank, the right spiral blade is far away from the center of the fermentation tank, and the spiral directions of the left spiral blade and the right spiral blade are opposite when the left spiral blade and the right spiral blade are driven by the driving device.
2. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 1, characterized in that: the axial direction of anaerobic fermentation jar is provided with many rigid columns, and many rigid columns set up on the same face of cylinder of left helical blade, right helical blade handing-over.
3. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 1, characterized in that: the left helical blade symmetrically extends from the center of the anaerobic fermentation tank to the tank wall, and the total width is about two thirds of the diameter of the anaerobic fermentation tank; the right helical blade extends from the middle of the tank wall of the anaerobic fermentation tank in the circumferential direction, and the total width of the right helical blade is about one third of the diameter of the anaerobic fermentation tank.
4. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 1, characterized in that: be equipped with feedstock channel in the sealed device of business turn over, feedstock channel is last to be equipped with and to be used for carrying out the gate of separating with feed bin and feed bin.
5. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 4, characterized in that: the gate includes upper gate and lower gate, is feeding storehouse, upper gate, lower gate and lower feed bin in proper order along the direction of feed, and one opens one and closes the sealing that realizes feedstock channel through explosion-proof machine drive upper and lower gate.
6. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 1, characterized in that: the upper end and the lower end of the shaftless composite spiral stirring blade are respectively fixedly connected with an upper hollow plate and a lower hollow plate, the upper hollow plate is sequentially connected with the coupler and the driving device through a hollow shaft, and the lower hollow plate is sequentially connected with the bearing seat device and the support through the hollow shaft.
7. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 3, characterized in that: the edge of the right helical blade fully contacts the inner wall of the fermentation tank.
8. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 2, characterized in that: the rigid upright posts are arranged on the same cylindrical surface where the left helical blade and the right helical blade are connected and are symmetrically distributed.
9. The stable and rapid anaerobic fermentation device for cultivation manure residues according to claim 1, characterized in that: the heating coil is close to the inner wall of the anaerobic fermentation tank and is uniformly distributed.
10. The stable and rapid anaerobic fermentation device for culture manure according to any one of claims 1 to 9, characterized in that: the top end of the anaerobic fermentation tank body is provided with a biogas treatment and collection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041100.XU CN211035643U (en) | 2019-11-24 | 2019-11-24 | Stable and rapid anaerobic fermentation device for breeding manure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041100.XU CN211035643U (en) | 2019-11-24 | 2019-11-24 | Stable and rapid anaerobic fermentation device for breeding manure |
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| Publication Number | Publication Date |
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| CN211035643U true CN211035643U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922041100.XU Expired - Fee Related CN211035643U (en) | 2019-11-24 | 2019-11-24 | Stable and rapid anaerobic fermentation device for breeding manure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746065A (en) * | 2019-11-24 | 2020-02-04 | 湖南大学 | Stable and rapid anaerobic fermentation device for breeding manure |
| CN111995439A (en) * | 2020-08-20 | 2020-11-27 | 南京茂泽新能源设备有限公司 | Device and method for rapid fermentation treatment of livestock and poultry manure |
-
2019
- 2019-11-24 CN CN201922041100.XU patent/CN211035643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746065A (en) * | 2019-11-24 | 2020-02-04 | 湖南大学 | Stable and rapid anaerobic fermentation device for breeding manure |
| CN111995439A (en) * | 2020-08-20 | 2020-11-27 | 南京茂泽新能源设备有限公司 | Device and method for rapid fermentation treatment of livestock and poultry manure |
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Granted publication date: 20200717 Termination date: 20201124 |