CN110746065A - 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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- CN110746065A CN110746065A CN201911161161.8A CN201911161161A CN110746065A CN 110746065 A CN110746065 A CN 110746065A CN 201911161161 A CN201911161161 A CN 201911161161A CN 110746065 A CN110746065 A CN 110746065A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 109
- 210000003608 fece Anatomy 0.000 title claims abstract description 33
- 239000010871 livestock manure Substances 0.000 title claims abstract description 32
- 238000009395 breeding Methods 0.000 title description 7
- 230000001488 breeding effect Effects 0.000 title description 7
- 238000003756 stirring Methods 0.000 claims abstract description 51
- 230000004151 fermentation Effects 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000013049 sediment Substances 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 239000002893 slag Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 244000144972 livestock Species 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 244000144977 poultry Species 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/10—Temperature conditions for biological treatment
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- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a stable and rapid anaerobic fermentation device for culture 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, wherein the feeding and discharging sealing device is connected with the stirring feeder; 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 invention relates to a stable and rapid anaerobic fermentation device for breeding manure, in particular to high-efficiency anaerobic fermentation equipment for treating manure.
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.
Disclosure of Invention
The invention aims to solve the problems of long fermentation time, easy acidification, high energy consumption, poor stability, easy shaft breakage, easy blade breakage and the like of the conventional anaerobic tank, and designs a stable and rapid anaerobic fermentation device for cultivating excrement residues, which can continuously feed and discharge materials, has high survival rate of anaerobic bacteria, high medium-high temperature fermentation, high gas production, less energy loss and no dead angle of stirring in the anaerobic tank, can rapidly realize the fermentation of the cultivating excrement residues, and simultaneously enhances the rigidity and strength of the blades and a rotating shaft and prevents the shaft breakage and the blade breakage.
In order to solve the above problems, the present invention provides the following technical solutions:
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 invention has the advantages of simple structure, automatic control, energy conservation, environmental protection, safety, reliability, no dead angle, capability of maintaining stable and rapid fermentation conditions of the manure residues and function of realizing benefit maximization of the utilization of the manure residues.
(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 a stable and rapid anaerobic fermentation device for cultivating manure residues according to the present invention;
FIG. 2 is a schematic structural view of a feeding and discharging sealing device of the stable and rapid anaerobic fermentation device for the culture manure residues;
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 residues of the present invention;
FIG. 4 is a schematic structural diagram of a rigid upright post of the stable and rapid anaerobic fermentation device for cultivating manure residues.
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 describes in further detail embodiments of the present invention with reference to the accompanying drawings. The following examples are only for illustrating 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 invention relates to a stable and rapid anaerobic fermentation device for culture 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 body connected with the feeding and discharging sealing device 2, a shaftless composite spiral stirring blade arranged in the anaerobic fermentation tank 5 body, a driving device 307 for driving the shaftless composite spiral stirring blade to rotate, and a heating coil 4 arranged in the anaerobic fermentation tank 5 body; 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.
The shaftless composite helical stirring blade comprises a left helical blade 304 which is close to the axis of the fermentation tank and approximately occupies the tank diameter 2/3 and a right helical blade 303 which is far away from the axis of the fermentation tank and approximately occupies the tank diameter 1/3, the edge of the right helical blade 303 fully contacts the inner wall of the fermentation tank, and the shaftless composite helical stirring blade fills the whole fermentation tank.
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.
The feeding and discharging sealing device 2 comprises an upper gate 203 and a lower gate 203 which are arranged on a feeding channel, an explosion-proof motor is fixedly connected with the gates, the explosion-proof motor drives the upper gate 203 and the lower gate 203 to open and close to realize the sealing of the feeding channel, the gates are arranged to slide on sliding rails, and a bearing frame 207 supports the whole sliding rails and the upper gate 203 and the lower gate, so that the convenience in drawing and pulling is ensured, and the resistance is low. 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 comprises the following components in sequence 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.
As shown in figure 3, the shaftless composite spiral stirring blade of the invention comprises the following components in sequence from top to bottom: 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 rigid upright columns 308 of the invention are shown in fig. 4 and comprise a plurality of upright columns which are symmetrically arranged, two ends of each upright column are connected to the upper hollow plate and the lower hollow plate, and the upright columns are arranged on the same cylindrical surface where the left helical blade 304 and the right helical blade 303 are connected and symmetrically distributed, so that the rod is not easy to twist off and the blades are not broken off.
Specific working examples of preferred embodiments 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.
In order to monitor the temperature, humidity and air quantity in the tank in real time in the fermentation process and realize automation, the invention further adopts the preferable scheme that a corresponding sensing device is arranged in the fermentation tank, and the whole device is automatically controlled by a PLC (programmable logic controller), so that the anaerobic fermentation process is stable, rapid, energy-saving, environment-friendly, efficient and safe.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention can be implemented by the 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.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875702A (en) * | 2021-10-25 | 2022-01-04 | 广东金银山环保科技有限公司 | Three-dimensional breeding method for hermetia illucens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201618538U (en) * | 2009-11-19 | 2010-11-03 | 哈尔滨杰曼机电设备有限公司 | Agitation device with mixing promoting blade |
| CN204185469U (en) * | 2014-08-18 | 2015-03-04 | 菏泽学院 | A kind of Solid/liquid two purpose fermentor tank |
| CN106119096A (en) * | 2016-08-31 | 2016-11-16 | 陈志武 | A kind of Modular high-efficient dry-type anaerobic fermentation tank and fermentation processing method thereof |
| CN206665609U (en) * | 2017-04-06 | 2017-11-24 | 四川大宇中和农业科技发展有限公司 | A kind of continuous oxygen barrier feed arrangement |
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| CN113875702A (en) * | 2021-10-25 | 2022-01-04 | 广东金银山环保科技有限公司 | Three-dimensional breeding method for hermetia illucens |
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