CN115283421B - Organic waste aerobic fermentation equipment and process - Google Patents
Organic waste aerobic fermentation equipment and process Download PDFInfo
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- CN115283421B CN115283421B CN202211048436.9A CN202211048436A CN115283421B CN 115283421 B CN115283421 B CN 115283421B CN 202211048436 A CN202211048436 A CN 202211048436A CN 115283421 B CN115283421 B CN 115283421B
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- 238000010564 aerobic fermentation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000010815 organic waste Substances 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 19
- 239000012535 impurity Substances 0.000 claims description 208
- 238000003756 stirring Methods 0.000 claims description 148
- 230000004151 fermentation Effects 0.000 claims description 83
- 238000000855 fermentation Methods 0.000 claims description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000000926 separation method Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 34
- 238000009423 ventilation Methods 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000018044 dehydration Effects 0.000 claims description 15
- 238000006297 dehydration reaction Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 6
- 208000005156 Dehydration Diseases 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/60—Biochemical treatment, e.g. by using enzymes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/32—Compressing or compacting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/25—Non-industrial waste, e.g. household waste
Abstract
The invention relates to the field of organic waste treatment, in particular to an organic waste aerobic fermentation device and a process.
Description
Technical Field
The invention relates to the field of organic waste treatment, in particular to an organic waste aerobic fermentation device and an organic waste aerobic fermentation process.
Background
Along with the improvement of the living standard of people, the demand of people for food is greatly improved, the demand of various egg and milk meat is greatly improved, livestock and poultry manure and the like are greatly increased, and the surrounding environment and groundwater resources are seriously affected without treatment. At present, the urban development is continuous and deep, the living of people is gradually increased, the urban generation promotes the centralization of people's houses, and therefore, the waste is naturally digested from the original rural areas, and is converted into urban centralized treatment, and accordingly, the yield of sewage, sludge and wet garbage is greatly improved, and the environment is greatly polluted if the sewage, sludge and wet garbage are not treated, wherein the substances are treated in an aerobic fermentation mode.
However, in the process of treatment, the wet garbage is required to be pretreated, because the wet garbage is mixed with impurities such as plastics, metals, glass, cloth, ceramics and the like, the impurities cannot be aerobically fermented, if the impurities are doped, the quality of fermentation and discharging of subsequent materials can be affected, the conventional equipment usually selects a screening machine to screen out the impurities, so that the operation complexity is undoubtedly increased, and meanwhile, in order to better treat the wet garbage, certain dehydration treatment is required to be carried out on the suitable garbage.
Therefore, it is necessary to provide an apparatus and a process for aerobic fermentation of organic waste to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the organic waste aerobic fermentation equipment which can automatically control the temperature of the fermentation environment, treat impurities in wet garbage and simultaneously dehydrate the wet garbage.
The invention provides an organic waste aerobic fermentation device which comprises a fermentation stirring cylinder, wherein the upper end of the fermentation stirring cylinder is fixedly connected with a sealing cover for sealing the upper end of the fermentation stirring cylinder, the front side and the rear side of the fermentation stirring cylinder are provided with an air inlet and an air outlet, and the lower end of the fermentation stirring cylinder is fixedly connected with a discharging pipe communicated with the interior of the fermentation stirring cylinder.
The upper end of the fermentation stirring cylinder is fixedly provided with a feeding hopper coaxial with the fermentation stirring cylinder, the middle rotating frame of the fermentation stirring cylinder is provided with a stirring rod, the stirring rod rotates to pass through the fermentation stirring cylinder, a sealing cover and the feeding hopper, the stirring rod is fixedly connected with a plurality of stirring rods distributed along the vertical direction, the upper end of the stirring rod is provided with a pressing unit, an impurity separating unit and an impurity separating unit, the feeding hopper is composed of a baffle plate and a blanking plate, the blanking plate is fixedly arranged at the upper end of the fermentation stirring cylinder, the baffle plate is fixedly connected with the upper end of the blanking plate, the blanking plate is provided with a plurality of groups of blanking holes distributed along the circumferential direction of the blanking plate, each group of blanking holes are uniformly distributed along the radial direction of the blanking plate, the lower end of the blanking plate is provided with a dewatering device corresponding to the blanking holes, the dewatering device comprises a dewatering hopper, a water-binding hopper, a water outlet branch pipe, a water outlet main pipe and a slag discharging pipe, wherein the upper end of the blanking hole is fixedly connected with a filter screen, the dewatering hopper is fixedly connected with the lower end of the blanking plate and corresponds to the blanking hole, the dewatering hopper is conical, a layer of water filtering film is covered in the dewatering hopper, uniformly distributed through holes are formed in the dewatering hopper, the water-binding hopper is wrapped at the outer end of the dewatering hopper and fixedly connected with the blanking plate, the lower end of the water-binding hopper is fixedly connected with the water outlet branch pipe communicated with the inside of the water-binding hopper, the water outlet branch pipe corresponding to each group of blanking holes is jointly connected with a water outlet main pipe, one side of the water outlet main pipe close to the stirring rod is in a closed shape, the other end of the water outlet main pipe extends to the outer side of the fermentation stirring cylinder, the lower end of the dewatering hopper is fixedly connected with the slag discharging pipe penetrates through the water outlet branch pipe, and a feeding mechanism is arranged on the sealing cover at a position corresponding to the dewatering device along the vertical direction.
Preferably, the material pressing unit comprises a material pressing installation rod, a vertical sliding rod, a material pressing roller and a material pressing spring rod, wherein the material pressing installation rod is fixedly installed on the stirring rod, the material pressing installation rod extends to the edge of the blanking plate, the vertical sliding rod is in sliding connection with the material pressing installation rod along the vertical direction, the lower end of the vertical sliding rod is rotationally connected with the material pressing roller, and the material pressing spring rod is fixedly connected between the material pressing installation rod and the vertical sliding rod.
Preferably, the impurity separation unit includes impurity separation pole, impurity separation gyro wheel, impurity separation belt, first driving pulley, first driving belt, drive gear and peripheral gear, impurity separation pole fixed connection is in on the puddler and stretch to the edge of blanking board, the lower extreme of impurity separation pole is close to the one end of puddler and the one end of keeping away from the puddler respectively rotates and is connected with an impurity separation gyro wheel, is connected through impurity separation belt between two impurity separation gyro wheels, evenly is provided with impurity area portion of separating on the impurity separation belt, and every impurity area portion of separating includes two impurity area that are L form apart from the pole, impurity area is provided with a plurality of bars along vertical direction evenly distributed between the pole, and the sideline department of pin processes into the chamfer form, keeps away from impurity separation gyro wheel of puddler passes impurity separation pole and at the first driving pulley of the upper end coaxial fixedly connected with of impurity separation pole, relatively with this first driving pulley is connected with another first driving pulley with impurity separation pole rotation of one department of impurity separation pole, is connected with through first driving belt, and is provided with impurity area portion of separating the pole, and is separated from the pole, is provided with a plurality of impurity area of L form apart from the pole between the pole, and is provided with a plurality of evenly distributed bars along the vertical direction evenly distributed's pin, and is provided with the brush down on the mounting panel, the mounting panel is provided with the peripheral gear, and is connected with the peripheral mounting plate is equipped with the brush evenly distributed.
Preferably, the impurity breaks away from the unit and includes dead lever, impurity break away from the pipe, impurity break away from the band pulley, impurity break away from belt, second drive band pulley and universal joint, dead lever fixed connection is in on the puddler, the terminal of puddler is directional the marginal portion of blanking board, just the terminal fixedly connected with of puddler impurity break away from the pipe, impurity break away from the pipe and become the slope form, impurity break away from the one end of pipe and be close to blanking board, impurity break away from the other end of pipe stretches to the outside of feeder hopper, impurity break away from the one end that the pipe is close to blanking board becomes the scraper bowl form, impurity break away from both ends department in the pipe respectively rotates and is connected with an impurity break away from the band pulley, through impurity break away from between the band pulley connection, impurity break away from evenly fixed mounting has the baffle that is close to impurity break away from the pipe lateral wall on the band pulley, impurity break away from one side fixed mounting block that the pipe is close to peripheral gear, impurity break away from the gear with peripheral gear meshes, break away from one end of gear and be close to blanking board, impurity break away from one end fixed connection have the second drive band pulley to stretch to the outside the feeder hopper, impurity break away from the one end and be connected with second drive band pulley through the second drive band pulley, impurity break away from the universal joint is had in the second drive band pulley to rotate, and the impurity break away from between the band pulley.
Preferably, the feeding mechanism comprises a feeding plate, a feeding bevel gear, a synchronous bevel gear and a rotating disc, wherein a feeding groove corresponding to the dewatering device is formed in the upper end of the sealing cover, the feeding plate is rotationally connected in the feeding groove, one end, close to the stirring rod, of the feeding plate is fixedly connected with the feeding bevel gear, the stirring rod is rotationally connected with the synchronous bevel gear, the synchronous bevel gear is meshed with all the feeding bevel gears, one end, far away from the stirring rod, of the feeding plate penetrates through the sealing cover and the fermentation stirring barrel, the rotating disc is fixedly connected with the rotating disc, a plurality of threaded holes are uniformly formed in the circumferential direction of the rotating disc, and one of the threaded holes is internally provided with a fastening bolt in a threaded manner.
Preferably, the temperature control device is arranged on the air inlet and the air outlet, the temperature control device comprises a vent pipe, a ventilation grid plate, a linkage rod, a pulling rod, an alcohol tank and a floating plate, the vent pipe is fixedly arranged at the position, corresponding to the air inlet and the air outlet, on the fermentation stirring cylinder, the alcohol tank is fixedly arranged at the lower end of the vent pipe and is communicated with the vent pipe, alcohol is filled in the alcohol tank, the floating plate sealing the upper end of the alcohol tank is floated on the alcohol, the pulling block is fixedly arranged on the floating plate, one end of the pulling block is close to one end of the fermentation stirring cylinder and is far away from a pulling groove which is inclined, the pulling rod is connected with the pulling rod in a sliding manner, the pulling rod is connected with the side wall of the vent pipe in a sliding manner, a buffer groove is formed in one end of the pulling rod far away from the fermentation stirring cylinder, a rectangular notch is formed in the middle of the vertical chute rod, the vertical chute rod is connected with the linkage rod in a sliding manner along the vertical direction, the other end of the rod is connected with the linkage rod in a rotating manner, and the grid plates are uniformly distributed along the ventilation grid plates and are uniformly distributed on the ventilation grid plates.
In addition, the invention also provides a process for aerobic fermentation of organic waste, which comprises the following steps.
S1: the wet garbage after being crushed is added into a feed hopper, and then a driving device such as a motor drives a stirring rod to rotate, and the stirring rod drives a pressing unit to squeeze the wet garbage.
S2: the impurity separation unit is used for moving the impurity in the wet garbage to the edge of the feeding hopper, and then the impurity separation unit is used for conveying the impurity out of the feeding hopper from the feeding hopper, and the dewatering device is used for dewatering the wet garbage.
S3: the feeding mechanism is opened, so that wet garbage enters the fermentation stirring barrel, the stirring rod on the stirring rod can stir the wet garbage, the wet garbage is fermented after stirring is completed, and then the fermented wet garbage is discharged through the discharge pipe.
Compared with the related art, the aerobic waste itching-relieving fermentation equipment provided by the invention has the following beneficial effects.
1. According to the invention, the wet garbage is extruded through the pressing unit, so that the wet garbage enters the dehydration unit, meanwhile, the impurity separation unit is utilized to move the impurity in the wet garbage to the edge of the feeding hopper, then the impurity separation unit is utilized to convey the impurity from the feeding hopper to the outside of the feeding hopper, the dehydrated wet garbage enters the fermentation stirring barrel through the feeding mechanism for stirring fermentation, and through the process, the impurity in the wet garbage can be effectively removed in the wet garbage treatment process, and meanwhile, the moisture in the wet garbage can be well reduced, so that the aerobic fermentation treatment of the wet garbage is facilitated.
2. In the process of treating wet garbage through the pressing unit, when the pressing roller encounters hard impurities in the wet garbage, the pressing roller drives the vertical sliding rod to move upwards, and when the pressing roller passes over the hard impurities, the pressing spring rod can apply pressure to the vertical sliding rod, so that the pressing roller continuously extrudes the wet garbage, and the phenomenon that the pressing roller cannot pass over the hard impurities to cause accumulation of the hard impurities on one side of the pressing roller in the process of extruding the wet garbage can be prevented, so that the extrusion treatment of the wet garbage is affected.
3. In the process of dehydrating wet garbage through the dehydrating device, when the wet garbage enters the dehydrating hopper, the dehydrating hopper is conical, so that the wet garbage can be extruded in the downward moving process to remove water, the discharged water passes through the water filtering film and the dehydrating hopper to enter the space between the dehydrating hopper and the water binding hopper, finally enters the main dehydrating pipe from the dehydrating branch pipe, and the dehydrated wet garbage enters the fermentation stirring barrel along the slag discharging pipe.
4. According to the invention, the temperature in the fermentation stirring cylinder is controlled through the temperature control device, when the temperature rises, the alcohol in the alcohol tank is heated and expands to enable the floating plate to drive the pulling block to float upwards, the pulling rod moves towards the direction close to the fermentation stirring cylinder under the pulling action of the pulling groove, when the tail end of the buffering groove is contacted with the vertical sliding groove rod, the vertical sliding groove rod drives the linkage rod to move towards the fermentation stirring cylinder, meanwhile, the vertical sliding groove rod pulls the ventilation grid plate to enable the ventilation pipe to be opened, and air is circulated through the ventilation pipe on the air inlet and the air outlet to take away redundant heat in the fermentation stirring cylinder, so that the temperature control on the fermentation stirring cylinder is automatically realized.
Drawings
Fig. 1 is a schematic general structure of the present invention.
Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a partially enlarged schematic structural view of fig. 3 at B.
Fig. 5 is a partially enlarged schematic structural view of fig. 3 at C.
Fig. 6 is a schematic diagram of a position structure of a pressing unit according to the present invention.
Fig. 7 is a schematic structural view of the impurity separating unit of the present invention.
Fig. 8 is a schematic structural view of an impurity removing unit in the present invention.
Fig. 9 is a schematic structural view of a dehydration apparatus according to the present invention.
Fig. 10 is a partially enlarged schematic structural view of D in fig. 9.
Reference numerals in the drawings: 1. a fermentation stirring cylinder; 11. a closing cap; 111. a feed chute; 12. an air inlet; 13. an air outlet; 14. a discharge pipe; 15. a stirring rod; 151. a toggle rod; 2. a feed hopper; 21. a striker plate; 211. a brush mounting plate; 22. a blanking plate; 221. a blanking hole; 222. a filter screen; 3. a material pressing unit; 31. a pressing mounting rod; 32. a vertical sliding rod; 33. a material pressing roller; 34. pressing a spring rod; 4. an impurity separation unit; 41. an impurity separating rod; 42. impurity separating rollers; 43. an impurity separating belt; 44. a first drive pulley; 45. a first drive belt; 46. a drive gear; 47. a peripheral gear; 48. an impurity carrying-off portion; 481. impurity band-off rod; 482. a stop lever; 5. impurity separating unit; 51. a fixed rod; 52. impurity separating tube; 521. a mounting block; 53. impurities are separated from the belt wheel; 54. impurities are separated from the belt; 541. a baffle; 55. a second drive pulley; 56. a second drive belt; 57. universal joint; 58. impurity is separated from the gear; 6. a dehydration device; 61. a dewatering bucket; 611. a water filtering film; 62. a water binding bucket; 63. a water outlet branch pipe; 64. a water outlet main pipe; 65. a slag discharging pipe; 7. a feed mechanism; 71. a feed plate; 72. a feed bevel gear; 73. a synchronous bevel gear; 74. a rotating disc; 741. a threaded hole; 742. a fastening bolt; 8. a temperature control device; 81. a vent pipe; 82. a ventilation grid; 83. a linkage rod; 84. pulling the rod; 841. a buffer tank; 85. an alcohol tank; 86. a floating plate; 861. pulling the block; 8611. pulling the groove; 87. a vertical chute rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 and 3, an organic waste aerobic fermentation device comprises a fermentation stirring cylinder 1, wherein the upper end of the fermentation stirring cylinder 1 is fixedly connected with a sealing cover 11 for sealing the upper end of the fermentation stirring cylinder 1, the front side and the rear side of the fermentation stirring cylinder 1 are provided with an air inlet 12 and an air outlet 13, and the lower end of the fermentation stirring cylinder 1 is fixedly connected with a discharge pipe 14 communicated with the interior of the fermentation stirring cylinder 1.
As shown in fig. 1, 3, 9 and 10, a feeding hopper 2 concentric with the fermentation stirring cylinder 1 is fixedly arranged at the upper end of the fermentation stirring cylinder 1, a stirring rod 15 is arranged at the middle rotating frame of the fermentation stirring cylinder 1, the stirring rod 15 rotates to pass through the fermentation stirring cylinder 1, the sealing cover 11 and the feeding hopper 2, a plurality of stirring rods 151 distributed along the vertical direction are fixedly connected to the stirring rod 15, a material pressing unit 3, an impurity separating unit 4 and an impurity separating unit 5 are arranged at the upper end of the stirring rod 15, the feeding hopper 2 is composed of a material blocking plate 21 and a material blocking plate 22, the material blocking plate 22 is fixedly arranged at the upper end of the fermentation stirring cylinder 1, a plurality of groups of material blocking holes 221 distributed along the circumferential direction of the material blocking plate 22 are formed in the material blocking plate 22, each group of material blocking holes 221 are uniformly distributed along the radial direction of the material blocking plate 22, the lower end of the blanking plate 22 is provided with a dewatering device 6 corresponding to the position of the blanking hole 221, the dewatering device 6 comprises a dewatering hopper 61, a water-binding hopper 62, a water outlet branch pipe 63, a water outlet main pipe 64 and a slag discharging pipe 65, the upper end of the blanking hole 221 is fixedly connected with a filter screen 222, the dewatering hopper 61 is fixedly connected with the lower end of the blanking plate 22 and corresponds to the blanking hole 221, the dewatering hopper 61 is conical, the inside of the dewatering hopper 61 is covered with a layer of water filtering film 611, the dewatering hopper 61 is provided with evenly distributed through holes, the water-binding hopper 62 is wrapped at the outer end of the dewatering hopper 61 and is fixedly connected with the blanking plate 22, the lower end of the water-binding hopper 62 is fixedly connected with the water outlet branch pipe 63 communicated with the inside of the water-binding hopper 62, the water outlet branch pipe 63 corresponding to each group of blanking holes 221 is commonly connected with a water outlet main pipe 64, the one side that goes out the water main pipe 64 and is close to puddler 15 is closed form, the other end that goes out the water main pipe 64 stretches to the outside of fermentation churn 1, the lower extreme fixedly connected with slag tap pipe 65 of dehydration fill 61, slag tap pipe 65 passes go out water branch pipe 63, the position that corresponds dewatering device 6 along vertical direction on the closing cap 11 is provided with feed mechanism 7.
In the process of fermenting the wet garbage, firstly, impurity treatment and dehydration treatment are needed to be carried out on the wet garbage, then fermentation treatment is carried out, firstly, crushed wet garbage is added into the feed hopper 2, then a driving device such as a motor drives the stirring rod 15 to rotate, the stirring rod 15 drives the pressing unit 3 to extrude the wet garbage, the impurity in the wet garbage is moved to the edge of the feed hopper 2 through the impurity separation unit 4, then the impurity is conveyed to the outside of the feed hopper 2 from the feed hopper 2 through the impurity separation unit 5 to carry out recovery treatment, under the action of the pressing unit 3, the wet garbage is extruded to enter the dehydration hopper 61 from the blanking hole 221, the filter screen 222 on the blanking hole 221 can well prevent the impurity from entering the dehydration hopper 61, and along with the further extrusion of the wet garbage, moisture in the wet garbage can pass through the water filtering film 611 on the dewatering hopper 61 and enter between the water binding hopper 62 and the dewatering hopper 61 through the through holes on the dewatering hopper 61, then enter the water outlet branch pipe 63, finally flow into the water outlet main pipe 64 and flow out to the outside, the dehydrated wet garbage is discharged from the dewatering device 6 through the slag outlet pipe 65, the feeding mechanism 7 is opened, the wet garbage enters the fermentation stirring cylinder 1, the stirring rod 151 on the stirring rod 15 can stir the wet garbage, the feeding mechanism 7 is closed after stirring is completed, so that the wet garbage can be fermented better, in the process, the air inlet 12 and the air outlet 13 are opened to ventilate the fermentation stirring cylinder 1, the temperature in the fermentation stirring cylinder 1 is controlled, and after fermentation is completed, the fermented wet garbage is discharged from the fermentation stirring cylinder 1 through the discharging pipe 14.
As shown in fig. 1 and 6, the pressing unit 3 includes a pressing installation rod 31, a vertical sliding rod 32, a pressing roller 33 and a pressing spring rod 34, the pressing installation rod 31 is fixedly installed on the stirring rod 15, the pressing installation rod 31 extends to the edge of the blanking plate 22, the vertical sliding rod 32 is in sliding connection with the pressing installation rod 31 along the vertical direction, the lower end of the vertical sliding rod 32 is rotatably connected with the pressing roller 33, and the pressing spring rod 34 is fixedly connected between the pressing installation rod 31 and the vertical sliding rod 32.
It should be noted that, when wet garbage is extruded by the pressing unit 3, the stirring rod 15 drives the pressing installation rod 31 to rotate, the pressing installation rod 31 drives the pressing roller 33 to extrude the wet garbage through the vertical sliding rod 32, meanwhile, when hard impurities appear in the wet garbage, the pressing roller 33 moves upwards, and when the hard impurities are to be overcome, the vertical sliding rod 32 drives the pressing roller 33 to reset under the rebound action of the pressing spring rod 34, so that the hard impurities are prevented from piling up on one side of the pressing roller 33, and the normal operation of the pressing roller 33 is affected.
As shown in fig. 1 and 7, the impurity separating unit 4 includes an impurity separating rod 41, impurity separating rollers 42, impurity separating belts 43, a first driving pulley 44, a first driving belt 45, a driving gear 46 and a peripheral gear 47, the impurity separating rod 41 is fixedly connected to the stirring rod 15 and extends to the edge of the blanking plate 22, one end of the lower end of the impurity separating rod 41, which is close to the stirring rod 15, and one end of the lower end, which is far away from the stirring rod 15, are respectively and rotatably connected with an impurity separating roller 42, the two impurity separating rollers 42 are connected through the impurity separating belt 43, impurity separating belts 43 are uniformly provided with impurity separating portions 48, each impurity separating portion 48 includes two impurity separating rods in L shape, a plurality of blocking rods 482 which are uniformly distributed along the vertical direction are arranged between the impurity separating rods 481, the edge of each blocking rod 482 is processed into a chamfer shape, the impurity separating rollers 42 far away from the stirring rod 15 penetrate through the impurity separating rod 41 and are coaxially and fixedly connected with a first pulley 44 at the upper end of the impurity separating rod 41, the other end of each impurity separating rod is coaxially connected with a second pulley 44, the other driving pulley 44 is coaxially connected with the other driving pulley 44 is coaxially with the peripheral gear 47, which is further connected with the peripheral gear 47, and the other end of the first pulley 44 is uniformly arranged at the periphery of the first pulley 44 is fixedly connected with the peripheral gear 47, and the peripheral gear 47 is further connected with the peripheral gear 45, and the peripheral gear is further provided with the peripheral gear 47.
In the process of separating the impurities in the wet garbage by the impurity separating unit 4, the stirring rod 15 drives the impurity separating rod 41 to rotate, the driving gear 46 is meshed with the peripheral gear 47 to rotate, the driving gear 46 drives the first driving belt pulley 44 to rotate, the first driving belt pulley 44 drives the other first driving belt pulley 44 connected with the impurity separating roller 42 to rotate by the first driving belt 45, so that the impurity separating roller 42 drives the impurity separating belt 43 to rotate, the impurity separating belt 43 drives the impurity separating part to screen the impurities in the wet garbage, the impurities in the wet garbage are brought to the edge of the feed hopper 2 by the stop lever 482, the edge of the stop lever 482 is processed into a chamfer shape for better removing the flexible impurities in the wet garbage, such as flexible plastics or cloth, which are easier to hang on the stop lever 482 when encountering the stop lever 482, and finally the impurities on the impurity separating part 48 are separated by the brush.
As shown in fig. 1 and 8, the impurity removing unit 5 includes a fixing rod 51, an impurity removing tube 52, an impurity removing pulley 53, an impurity removing belt 54, a second driving pulley 55, a second driving belt 56 and a universal joint 57, the fixing rod 51 is fixedly connected to the stirring rod 15, the end of the stirring rod 15 is directed to the edge of the blanking plate 22, the end of the stirring rod 15 is fixedly connected with the impurity removing tube 52, the impurity removing tube 52 is inclined, one end of the impurity removing tube 52 is close to the blanking plate 22, the other end of the impurity removing tube 52 extends to the outside of the feed hopper 2, one end of the impurity removing tube 52 close to the blanking plate 22 is in a bucket shape, two ends in the impurity removing tube 52 are respectively rotatably connected with one impurity removing pulley 53, the two impurity separating pulleys 53 are connected by the impurity separating belt 54, a baffle 541 which is close to the side wall of the impurity separating tube 52 is evenly and fixedly arranged on the impurity separating belt 54, a mounting block 521 is fixedly arranged on one side of the impurity separating tube 52 which is close to the peripheral gear 47, an impurity separating gear 58 is rotationally connected on the mounting block 521, the impurity separating gear 58 is meshed with the peripheral gear 47, the upper end of the impurity separating gear 58 is fixedly connected with a second driving pulley 55, the other second driving pulley 55 is rotatably arranged on the impurity separating tube 52, the two second driving pulleys 55 are connected by a second driving belt 56, the lower end of the second driving pulley 55 which is erected on the impurity separating tube 52 is fixedly connected with a universal joint 57, the other end of the universal joint 57 is fixedly connected with the impurity separating pulley 53, the impurity removing pulley 53 is rotatably connected to the impurity removing tube 52 and contacts the impurity removing belt 54.
When the impurity is discharged to the outer side of the feed hopper 2 through the impurity removing unit 5, the stirring rod 15 drives the impurity removing unit 5 to rotate through the fixing rod 51, the impurity removing gear 58 is meshed with the peripheral gear 47 to rotate, the impurity removing gear 58 drives the second driving belt wheel 55 to rotate, the second driving belt wheel 55 drives the other second driving belt wheel 55 to rotate through the second driving belt 56, the universal joint 57 is driven to rotate, the other end of the universal joint 57 drives the impurity removing belt wheel 53 connected with the universal joint to rotate, the impurity removing belt wheel 53 drives the impurity removing belt 54 to rotate, the baffle 541 on the impurity removing belt 54 conveys the impurity to the outer side of the feed hopper 2 from the feed hopper 2, and the lower end of the impurity removing pipe 52 is processed into a bucket shape for better shoveling garbage into the impurity removing pipe 52.
As shown in fig. 1, 2 and 4, the feeding mechanism 7 includes a feeding plate 71, a feeding bevel gear 72, a synchronous bevel gear 73 and a rotating disc 74, a feeding groove 111 corresponding to the dewatering device 6 is provided at the upper end of the closing cover 11, the feeding groove 111 is rotatably connected with the feeding plate 71, one end of the feeding plate 71 close to the stirring rod 15 is fixedly connected with the feeding bevel gear 72, the stirring rod 15 is rotatably connected with the synchronous bevel gear 73, the synchronous bevel gear 73 is meshed with all the feeding bevel gears 72, one end of the feeding plate 71 far away from the stirring rod 15 passes through the closing cover 11 and the fermentation stirring cylinder 1 and is fixedly connected with the rotating disc 74, a plurality of threaded holes 741 are uniformly provided on the rotating disc 74 in the circumferential direction, and one of the threaded holes 741 is in threaded connection with a fastening bolt 742.
When the wet garbage is controlled to enter the fermentation cylinder 1 by the feeding mechanism 7, the feeding plate 71 connected with the feeding plate 71 is driven to rotate by the rotating disc 74, so that the feeding groove 111 is in an opened state, the feeding plate 71 drives the feeding bevel gear 72 connected with the feeding plate 71 to rotate and drives the synchronous bevel gear 73 to rotate, so that all the feeding bevel gears 72 finally drive the feeding plate 71 to synchronously rotate, all the feeding grooves 111 are in an opened state, and when the position of the feeding plate 71 is fixed, the feeding plate 71 is pressed against the fermentation cylinder 1 by the fastening bolt 742, so that the position of the feeding plate 71 is fixed.
As shown in fig. 3 and 5, the temperature control device 8 is arranged on the air inlet 12 and the air outlet 13, the temperature control device 8 comprises an air pipe 81, an air ventilation grid plate 82, a linkage rod 83, a pulling rod 84, an alcohol tank 85 and a floating plate 86, the air pipe 81 is fixedly arranged at the position, corresponding to the air inlet 12 and the air outlet 13, on the fermentation stirring cylinder 1, the alcohol tank 85 is fixedly arranged at the lower end of the air pipe 81 and is communicated with the air pipe 81, alcohol is filled in the alcohol tank 85, the floating plate 86 for sealing the upper end of the alcohol tank 85 is floated on the alcohol, the pulling rod 86 is fixedly provided with a pulling block 861, one end of the pulling block 861 is close to the fermentation stirring cylinder 1 and is provided with a pulling groove 8611 in an inclined shape, the pulling rod 84 is in sliding connection with the side wall of the air ventilation pipe 81, a slow groove 841 is arranged in one end of the pulling rod 84, which is far away from the fermentation stirring cylinder 1, the buffering groove 841 is in sliding connection with a vertical groove 87, the air ventilation groove 82 is connected with the other end of the air ventilation groove 82, the ventilation groove is connected with the air ventilation groove 82 in a plurality of vertical grooves 82 in a sliding way, and the ventilation groove 82 is connected with the other end of the ventilation groove 82 in a plurality of vertical grooves, and the ventilation groove 82 is in a sliding way, and the ventilation groove 82 is uniformly distributed along the direction, and is connected with the ventilation groove 82.
When the temperature control device 8 automatically controls the opening and closing of the air inlet 12 and the air outlet 13, when the temperature rises too high, alcohol in the alcohol tank 85 expands to enable the floating plate 86 to float upwards, the pulling block 861 is driven to move upwards in the process of moving upwards by the floating plate 86, the pulling rod 84 moves towards the direction close to the fermentation stirring cylinder 1 under the pulling action of the pulling groove 8611, when the tail end of the buffering groove 841 is in contact with the vertical sliding groove rod 87, the vertical sliding groove rod 87 drives the linkage rod 83 to move towards the fermentation stirring cylinder 1, the vertical sliding groove rod 87 pulls the ventilation grid plate 82 to enable the ventilation pipe 81 to be opened, excessive heat in the fermentation stirring cylinder 1 is taken away through ventilation pipes 81 on the air inlet 12 and the air outlet 13, and when the temperature in the fermentation stirring cylinder 1 drops, the alcohol contracts to enable the floating plate 86 to move downwards, and finally the ventilation grid plate 82 closes the ventilation pipe 81.
The invention also provides a process for aerobic fermentation of organic waste, which comprises the following steps.
S1: firstly, the crushed wet garbage is added into the feed hopper 2, then the stirring rod 15 is driven to rotate by a driving device such as a motor, the stirring rod 15 drives the pressing unit 3 to squeeze the wet garbage, so that the wet garbage enters the dewatering device 6, meanwhile, impurities in the wet garbage are moved to the edge of the feed hopper 2 by the impurity separating unit 4, and then the impurities are conveyed out of the feed hopper 2 from the feed hopper 2 by the impurity separating unit 5.
S2: the feeding mechanism 7 is opened, so that wet garbage enters the fermentation stirring cylinder 1 from the dewatering device 6, the stirring rod 151 on the stirring rod 15 stirs the wet garbage, the wet garbage is fermented after stirring is completed, when the temperature in the fermentation stirring cylinder 1 rises, the temperature in the fermentation stirring cylinder 1 is regulated through the temperature control device 8, wherein when the temperature rises, the alcohol in the alcohol tank 58 expands to enable the floating plate 86 to drive the pulling block 861 to float upwards, under the pulling action of the pulling groove 8611, the pulling rod 84 moves towards the direction close to the fermentation stirring cylinder 1, when the tail end of the buffering groove 841 is contacted with the vertical sliding groove rod 87, the vertical sliding groove rod 87 drives the linkage rod 83 to move towards the fermentation stirring cylinder 1, and meanwhile, the vertical sliding groove rod 87 pulls the ventilation grid plate 82 to enable the ventilation pipe 81 to be opened, and air is circulated through the ventilation pipe 81 on the air inlet 12 and the air outlet 13 to take away redundant heat in the fermentation stirring cylinder 1, so that temperature control on the fermentation stirring cylinder 1 is automatically realized.
S3: the discharging pipe 14 is opened, so that the wet garbage after aerobic fermentation is discharged out of the fermentation stirring cylinder 1.
The circuits and control involved in the present invention are all of the prior art, and are not described in detail herein.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.
Claims (5)
1. The organic waste aerobic fermentation equipment comprises a fermentation stirring cylinder (1), wherein the upper end of the fermentation stirring cylinder (1) is fixedly connected with a sealing cover (11) for sealing the upper end of the fermentation stirring cylinder (1), the front side and the rear side of the fermentation stirring cylinder (1) are provided with an air inlet (12) and an air outlet (13), and the lower end of the fermentation stirring cylinder (1) is fixedly connected with a discharge pipe (14) communicated with the interior of the fermentation stirring cylinder (1); the method is characterized in that:
the upper end of the fermentation stirring cylinder (1) is fixedly provided with a feed hopper (2) coaxial with the fermentation stirring cylinder (1), the middle rotating frame of the fermentation stirring cylinder (1) is provided with a stirring rod (15), the stirring rod (15) rotates to pass through the fermentation stirring cylinder (1), the sealing cover (11) and the feed hopper (2), the stirring rod (15) is fixedly connected with a plurality of stirring rods (151) distributed along the vertical direction, the upper end of the stirring rod (15) is provided with a material pressing unit (3), an impurity separation unit (4) and an impurity separation unit (5), the feed hopper (2) is composed of a material baffle (21) and a blanking plate (22), the blanking plate (22) is fixedly arranged at the upper end of the fermentation stirring cylinder (1), the baffle plate (21) is fixedly connected to the upper end of the blanking plate (22), a plurality of groups of blanking holes (221) circumferentially distributed along the blanking plate (22) are formed in the blanking plate (22), each group of blanking holes (221) are uniformly distributed along the radial direction of the blanking plate (22), a dewatering device (6) is arranged at the lower end of the blanking plate (22) corresponding to the position of the blanking hole (221), and the dewatering device (6) comprises a dewatering hopper (61), a water beam hopper (62), a water outlet branch pipe (63), the upper end of the blanking hole (221) is fixedly connected with a filter screen (222), the dehydration bucket (61) is fixedly connected with the lower end of the blanking plate (22) and corresponds to the blanking hole (221), the dehydration bucket (61) is conical, a layer of water filtering film (611) is covered in the dehydration bucket (61), evenly distributed through holes are formed in the dehydration bucket (61), the water bundling bucket (62) is wrapped at the outer end of the dehydration bucket (61) and is fixedly connected with the blanking plate (22), the lower end of the water binding bucket (62) is fixedly connected with a water outlet branch pipe (63) communicated with the inside of the water binding bucket (62), the water outlet branch pipes (63) corresponding to each group of blanking holes (221) are connected with a water outlet main pipe (64) together, one side of the water outlet main pipe (64) close to the stirring rod (15) is in a closed shape, the other end of the water outlet main pipe (64) extends to the outer side of the fermentation stirring cylinder (1), the lower end of the dehydration bucket (61) is fixedly connected with a slag outlet pipe (65), the slag outlet pipe (65) penetrates through the water outlet branch pipe (63), and a feeding mechanism (7) is arranged on the closed cover (11) along the position corresponding to the dehydration device (6) in the vertical direction;
the impurity separation unit (4) comprises an impurity separation rod (41), an impurity separation roller (42), an impurity separation belt (43), a first driving belt wheel (44), a first driving belt (45), a driving gear (46) and a peripheral gear (47), the impurity separation rod (41) is fixedly connected to the stirring rod (15) and extends to the edge of the blanking plate (22), one end, close to the stirring rod (15), of the lower end of the impurity separation rod (41) and one end, far away from the stirring rod (15) are respectively connected with one impurity separation roller (42) in a rotating manner, the two impurity separation rollers (42) are connected through the impurity separation belt (43), an impurity belt separation part (48) is uniformly arranged on the impurity separation belt (43), each impurity belt separation part (48) comprises two L-shaped impurity belt separation rods (482), a plurality of blocking rods (482) which are uniformly distributed along the vertical direction are arranged between the impurity belt separation rods (481), the edge of the blocking rods (482) is processed into a reverse angle shape, the separation roller (42) is far away from the stirring rod (15) and is connected with the impurity separation belt (41) through the first belt wheel (41) through the impurity separation belt wheel (43) and is connected with the impurity separation belt wheel (41) in a coaxial manner, the novel stirring device is characterized in that one part, which is farther from the stirring rod (15) relative to the first driving belt wheel (44), is rotatably connected with the impurity separating rod (41) and is provided with the other first driving belt wheel (44), the two first driving belt wheels (44) are connected through a first driving belt (45), the first driving belt wheel (44) which is far away from the stirring rod (15) is coaxially and fixedly connected with a driving gear (46), the peripheral gear (47) is fixedly connected with the upper end of the feeding hopper (2), the driving gear (46) is meshed with the peripheral gear (47), the position of the lower end of the baffle plate (21) is provided with a brush mounting plate (211), and brushes are uniformly distributed on the brush mounting plate (211);
the impurity separating unit (5) comprises a fixed rod (51), an impurity separating tube (52), an impurity separating belt wheel (53), an impurity separating belt (54), a second driving belt wheel (55), a second driving belt (56) and a universal joint (57), wherein the fixed rod (51) is fixedly connected to the stirring rod (15), the tail end of the stirring rod (15) points to the edge of the blanking plate (22), the impurity separating belt wheel (52) is fixedly connected to the tail end of the stirring rod (15), the impurity separating tube (52) is inclined, one end of the impurity separating tube (52) is close to the blanking plate (22), the other end of the impurity separating tube (52) extends to the outer side of the feeding hopper (2), one end of the impurity separating tube (52) close to the blanking plate (22) is in a bucket shape, two impurity separating belt wheels (53) are respectively connected in a rotating manner at the two ends of the impurity separating tube (52) through the impurity separating belt wheel (54), one end of the impurity separating tube (52) is uniformly separated from the impurity separating belt wheel (52), one side wall (521) is arranged on the impurity separating tube (52) and is uniformly separated from the impurity separating tube (52) and is close to one side (521) which is arranged on the periphery of the impurity separating tube (52), the impurity separating device is characterized in that an impurity separating gear (58) is rotationally connected to the mounting block (521), the impurity separating gear (58) is meshed with the peripheral gear (47), the upper end of the impurity separating gear (58) is fixedly connected with a second driving belt wheel (55), the impurity separating pipe (52) is rotationally erected with the other second driving belt wheel (55), the two second driving belt wheels (55) are connected through a second driving belt (56), the lower end of the second driving belt wheel (55) erected on the impurity separating pipe (52) is fixedly connected with a universal joint (57), the other end of the universal joint (57) is fixedly connected with an impurity separating belt wheel (53), and the impurity separating belt wheel (53) is rotationally connected in the impurity separating pipe (52) and is contacted with the impurity separating belt (54).
2. The organic waste aerobic fermentation device according to claim 1, wherein the material pressing unit (3) comprises a material pressing installation rod (31), a vertical sliding rod (32), a material pressing roller (33) and a material pressing spring rod (34), the material pressing installation rod (31) is fixedly installed on the stirring rod (15), the material pressing installation rod (31) extends to the edge of the blanking plate (22), the vertical sliding rod (32) is in sliding connection with the material pressing installation rod (31) along the vertical direction, the lower end of the vertical sliding rod (32) is rotationally connected with the material pressing roller (33), and the material pressing spring rod (34) is fixedly connected between the material pressing installation rod (31) and the vertical sliding rod (32).
3. The organic waste aerobic fermentation device according to claim 1, wherein the feeding mechanism (7) comprises a feeding plate (71), a feeding bevel gear (72), a synchronous bevel gear (73) and a rotating disc (74), a feeding groove (111) corresponding to the dewatering device (6) is formed in the upper end of the sealing cover (11), the feeding plate (71) is rotationally connected to the feeding groove (111), one end, close to the stirring rod (15), of the feeding plate (71) is fixedly connected with the feeding bevel gear (72), the stirring rod (15) is rotationally connected with the synchronous bevel gear (73), the synchronous bevel gear (73) is meshed with all the feeding bevel gears (72), one end, far away from the stirring rod (15), of the feeding plate (71) penetrates through the sealing cover (11) and the fermentation stirring cylinder (1), the rotating disc (74) is fixedly connected with the rotating disc (74), a plurality of threaded holes (741) are uniformly formed in the circumference of the rotating disc (74), and one fastening bolt (742) is connected to one threaded hole (741).
4. The aerobic fermentation equipment for organic waste according to claim 3, wherein the air inlet (12) and the air outlet (13) are provided with a temperature control device (8), the temperature control device (8) comprises an air pipe (81), an air ventilation grid plate (82), a linkage rod (83), a pulling rod (84), an alcohol tank (85) and a floating plate (86), the air pipe (81) is fixedly arranged at the position of the fermentation stirring cylinder (1) corresponding to the air inlet (12) and the air outlet (13), the alcohol tank (85) is fixedly arranged at the lower end of the air pipe (81) and communicated with the air pipe (81), alcohol is filled in the alcohol tank (85), a floating plate (86) sealing the upper end of the alcohol tank (85) is floated on the alcohol, a pulling block (861) is fixedly arranged on the floating plate (86), one end of the pulling block (861) is close to the fermentation stirring cylinder (1) and is inclined with a pulling groove (8611) which is arranged at one end, the sliding rod (84) is connected with the pulling rod (84), one end of the pulling block (861) is far away from the fermentation stirring cylinder (84), the utility model discloses a vent pipe, including buffer groove (841), vertical spout pole (87) is connected with in the sliding connection in buffer groove (841), rectangular notch has been seted up in the centre of vertical spout pole (87), vertical spout pole (87) are connected with gangbar (83) along vertical direction sliding connection, the other end of gangbar (83) rotates and is connected with vent grid board (82), vent grid board (82) with the lateral wall of breather pipe (81) rotates to be connected, just vent grid board (82) have a plurality ofly along vertical direction evenly distributed, and a plurality of vent grid boards (82) seal breather pipe (81) jointly.
5. An organic waste aerobic fermentation apparatus according to claim 1, wherein the process of treating the organic waste with the organic waste aerobic fermentation apparatus comprises the steps of:
s1: adding crushed wet garbage into a feed hopper (2), and then driving a stirring rod (15) to rotate through a driving device, wherein the stirring rod (15) drives a pressing unit (3) to extrude the wet garbage;
s2: the impurity separating unit (4) is used for moving impurities in the wet garbage to the edge of the feed hopper (2), then the impurity separating unit (5) is used for conveying the impurities out of the feed hopper (2) from the feed hopper (2), and the dewatering device (6) is used for dewatering the wet garbage;
s3: the feeding mechanism (7) is opened, so that wet garbage enters the fermentation stirring barrel (1), the stirring rod (151) on the stirring rod (15) can stir the wet garbage, the wet garbage is fermented after stirring is completed, and then the fermented wet garbage is discharged through the discharging pipe (14).
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