CN220907399U - Sludge aerobic fermentation composting tank - Google Patents
Sludge aerobic fermentation composting tank Download PDFInfo
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- CN220907399U CN220907399U CN202322443046.8U CN202322443046U CN220907399U CN 220907399 U CN220907399 U CN 220907399U CN 202322443046 U CN202322443046 U CN 202322443046U CN 220907399 U CN220907399 U CN 220907399U
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- fermentation tank
- shaft
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- 239000010802 sludge Substances 0.000 title claims abstract description 54
- 238000009264 composting Methods 0.000 title claims abstract description 17
- 238000010564 aerobic fermentation Methods 0.000 title claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 66
- 230000004151 fermentation Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 25
- 238000005273 aeration Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002361 compost Substances 0.000 claims 1
- 239000002912 waste gas Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 16
- 241000894006 Bacteria Species 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000002156 mixing Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
The utility model discloses a sludge aerobic fermentation composting tank, which relates to the technical field of sludge fermentation and comprises a fermentation tank, a feeding mechanism, a microbial inoculum filling mechanism and a gas treatment assembly, wherein the feeding mechanism comprises a feeding pipe arranged above the fermentation tank, a vertical material guide pipe is connected between the fermentation tank and the feeding pipe, an auger is transversely sleeved in the feeding pipe, and an output end of a motor at the side part of the feeding pipe is connected with one end of the auger.
Description
Technical Field
The utility model belongs to the technical field of sludge fermentation, and particularly relates to a sludge aerobic fermentation composting tank.
Background
In recent years, the sludge yield is continuously increased due to the great increase of the sewage treatment capacity, and the residual sludge contains nutrient elements such as nitrogen, phosphorus, potassium and a large amount of organic matters, so that the physicochemical property of the soil can be improved to a certain extent, and the soil fertility is improved; meanwhile, the surplus sludge contains a large amount of toxic and harmful substances such as pathogenic bacteria and heavy metals, if the surplus sludge is not scientifically treated and disposed of, the surplus sludge not only pollutes the environment, but also seriously damages the health of human beings, the surplus sludge can be converted into organic fertilizer through sludge aerobic composting to improve the physicochemical property of soil, increase the fertility of the soil and reduce the use amount of the fertilizer, aerobic thermophilic bacteria are required to be added into a fermentation tank and fully mixed with sludge in the sludge aerobic composting process, the composting fermentation is carried out by utilizing a method of degrading organic solid wastes by using the aerobic thermophilic bacteria, the temperature and the oxygen content in the fermentation tank are required to be ensured in the fermentation process, waste gas is generated in the sludge fermentation process, and the waste gas is required to be treated.
The existing fermentation tank only adopts a simple stirring structure to realize the mixing of the sludge and the aerobic thermophile, but because the sludge is large in quantity during fermentation, the sludge and the aerobic thermophile are required to be fully mixed for a long time, so that the efficiency of sludge fermentation is influenced, and if the sludge is unevenly mixed, the quality of sludge fermentation is influenced, meanwhile, the heat in the tank is required to be ensured during sludge fermentation, the waste gas generated in the fermentation tank is usually high in temperature, a large amount of heat is carried away by the discharged waste gas, the waste gas is usually directly discharged to the outside or simply purified, the purifying effect is poor, the heat in the waste gas is not recycled, the resource cannot be fully utilized, and the waste of the resource can be generated.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides the sludge aerobic fermentation composting tank which can realize the rapid and full mixing of aerobic thermophiles and sludge and can recycle the heat in waste gas.
The utility model solves the technical problems by adopting the scheme that: the sludge aerobic fermentation composting tank comprises a fermentation tank, and further comprises a feeding mechanism, a microbial inoculum filling mechanism and a gas treatment assembly, wherein the feeding mechanism comprises a feeding pipe arranged above the fermentation tank, an auger is transversely sleeved in the feeding pipe, an output end of a motor at the side part of the feeding pipe is connected with one end part of the auger, a material guide pipe is arranged at the rear end part of the feeding pipe, and the material guide pipe is vertically connected with the fermentation tank; the microbial inoculum filling mechanism comprises an adding cylinder connected to the feeding pipe, the adding cylinder is positioned at the front side of the material guiding pipe, a rotating shaft is vertically arranged in the adding cylinder, a spiral material guiding blade is arranged on the rotating shaft, the rotating shaft is in transmission connection with the other end part of the auger through a transmission mechanism, and the rotating shaft can synchronously rotate along with the auger through the transmission mechanism; the gas treatment assembly comprises an exhaust gas treatment box arranged at the side part of the fermentation tank, the side part of the fermentation tank is connected with an exhaust pipe, the lower end part of the exhaust pipe is arranged in the exhaust gas treatment box in a penetrating way, an exhaust fan is arranged at the side part of the exhaust gas treatment box, two end parts of the exhaust fan are connected with gas guide pipes, and the gas guide pipes are arranged in the exhaust gas treatment box in a serpentine shape and extend into the fermentation tank; the fermentation tank is provided with a second motor, the output end of the second motor is vertically sleeved with a hollow stirring shaft, the end part of the air duct is communicated with the hollow stirring shaft, the side part of the hollow stirring shaft is provided with a stirring rod, and the stirring rod is provided with an aeration hole.
Further, the transmission mechanism comprises a driven bevel gear fixedly sleeved at the upper end part of the rotating shaft, a transverse transmission shaft is arranged on the feeding pipe through a shaft seat, a main bevel gear meshed with the driven bevel gear is fixedly sleeved at the left end part of the transmission shaft, and the right end part of the transmission shaft is in transmission connection with the end part of the auger through a chain wheel group.
Further, the sprocket group comprises a driving sprocket fixedly sleeved at the end parts of the transmission shaft and the auger, and a driving chain on the driving sprocket can control the auger and the transmission shaft to synchronously rotate.
Further, an air extracting pump is arranged on the exhaust pipe.
Further, a cross rod is arranged in the fermentation tank, a hollow bearing is fixedly sleeved on the cross rod, the hollow stirring shaft is sleeved in the fermentation tank through the hollow bearing, and the air duct is communicated with the hollow stirring shaft through the hollow bearing.
Further, a feed inlet is arranged on the feed pipe, and a discharge pipe is arranged at the bottom of the fermentation tank.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the feeding mechanism and the microbial inoculum filling mechanism are arranged, when the sludge is added into the fermentation tank, the rotating shaft can be controlled to synchronously rotate along with the auger through the transmission mechanism, so that the auger drives the rotating shaft and the spiral material guide blade to rotate, and the aerobic thermophiles in the adding cylinder are guided into the material discharge pipe to be mixed with the sludge through the spiral material guide blade, so that preliminary mixing of the sludge and the thermophiles with good culture is realized, and the aerobic thermophiles are synchronously guided along with the sludge, so that the thermophiles with good culture are uniformly distributed in the sludge, and great convenience is provided for subsequent mixing; through setting up the gas treatment subassembly, the heat that carries in the waste gas can transmit to the exhaust-gas treatment liquid in, through the intensification to the exhaust-gas treatment liquid, can improve the effect to exhaust purification treatment, lay the air duct in the exhaust-gas treatment incasement moreover, make the air duct can absorb the heat that carries in the waste gas through the exhaust-gas treatment liquid, to the air intensification that will let in the fermentation cylinder, realize thermal cyclic utilization, and then to resource make full use of.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic elevational cross-sectional view of the present utility model;
FIG. 3 is a schematic elevational cross-sectional view of the feed mechanism of the present utility model;
Fig. 4 is a schematic front sectional view of the exhaust gas treatment tank of the present utility model.
In the figure: 1. a fermentation tank; 2. a feed mechanism; 21. a feed pipe; 22. a first motor; 23. an auger; 24. a material guiding pipe; 25. a feed inlet; 3.a microbial inoculum filling mechanism; 31. an addition cylinder; 32. a rotating shaft; 33. spiral guide blades; 4. a transmission mechanism; 41. a slave bevel gear; 42. a shaft seat; 43. a transmission shaft; 44. a main bevel gear; 45. a sprocket set; 451. a drive sprocket; 452. a drive chain; 5. a gas treatment assembly; 51. an exhaust gas treatment tank; 52. an exhaust fan; 53. an air duct; 54. an air extracting pump; 55. an exhaust pipe; 6. a second motor; 7.a cross bar; 8. a hollow bearing; 9. a hollow stirring shaft; 10. a stirring rod; 11. and a discharge pipe.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1-4, the utility model provides a technical scheme of a sludge aerobic fermentation composting tank:
Examples
According to the embodiment shown in fig. 1 and 2, the sludge treatment device comprises a fermentation tank 1, wherein a discharge pipe 11 is connected to the bottom of the fermentation tank 1, a feeding mechanism 2 for feeding sludge is arranged above the fermentation tank 1, a feeding pipe 21 is transversely arranged above the fermentation tank 1 through a vertical frame, a feeding port 25 is arranged on the feeding pipe 21, a vertical material guide pipe 24 is connected between the fermentation tank 1 and the feeding pipe 21, the material guide pipe 24 is positioned at the rear end part of the feeding pipe 21, the sludge can enter the fermentation tank 1 from the feeding pipe 21 through the material guide pipe 24, a packing auger 23 is transversely sleeved in the feeding pipe 21, a motor I22 is arranged on the side part of the feeding pipe 21, the output end of the motor I22 is connected with the left end part of the packing auger 23, the packing auger 23 can be driven to rotate through controlling the operation of the motor I22, and the sludge in the feeding pipe 21 can be guided from left to right end through the material guide pipe 24 into the fermentation tank 1; as shown in figure 3, a microbial inoculum filling mechanism 3 for adding thermophilic bacteria is arranged above a feed pipe 21, an adding cylinder 31 is vertically arranged on the feed pipe 21, a feed pipe of the adding cylinder 31 is connected with the feed pipe 21, the adding cylinder 31 is positioned at the front side of a material guiding pipe 24, a rotating shaft 32 is vertically sleeved in the adding cylinder 31 through a transverse supporting rod, a spiral material guiding blade 33 is arranged on the rotating shaft 32, the lower end of the spiral material guiding blade 33 is sleeved in the feed pipe of the adding cylinder 31, the rotating shaft 32 is connected with the other end of the auger 23 through a transmission mechanism 4 in a transmission way, the rotating shaft 32 is controlled to synchronously rotate along with the auger 23 through the transmission mechanism 4, when the auger 23 is used for guiding mud into the fermentation tank 1, the auger 23 drives the rotating shaft 32 and the spiral material guiding blade 33 thereon through the transmission mechanism 4, the thermophilic bacteria in the adding cylinder 31 can be slowly guided into a material discharging pipe 11 through the spiral material guiding blade 33 to be mixed with mud in internal transmission, realizes preliminary mixing of sludge and thermophilic bacteria for good cultivation, ensures that thermophilic bacteria for good cultivation are evenly distributed in the sludge by synchronously discharging the thermophilic bacteria for good cultivation along with the sludge, provides great convenience for subsequent mixing, a second motor 6 is arranged on the fermentation tank 1, a hollow stirring shaft 9 is vertically sleeved at the output end of the second motor 6, a stirring rod 10 is arranged at the side part of the hollow stirring shaft 9, a cross rod 7 is arranged in the fermentation tank 1, a hollow bearing 8 is fixedly sleeved on the cross rod 7, the hollow stirring shaft 9 is sleeved in the fermentation tank 1 through the hollow bearing 8, the stirring shaft is driven to rotate by controlling the second motor 6, the sludge in the fermentation tank 1 is stirred and mixed through the stirring rod 10, as shown in figure 4, a waste gas treatment box 51 is arranged at the side part of the fermentation tank 1, a treatment liquid for treating waste gas discharged by the fermentation tank 1 is filled in the waste gas treatment box 51, the side of fermentation cylinder 1 installs aspiration pump 54, the both ends of aspiration pump 54 are connected with blast pipe 55, upper end blast pipe 55 is connected with fermentation cylinder 1, the lower extreme of lower extreme blast pipe 55 wears to establish in waste gas treatment case 51, waste gas that produces in the mud fermentation process can pass through blast pipe 55 and lets in waste gas treatment case 51 in, carry out purification treatment through the waste gas treatment liquid, the heat that carries in the waste gas can diffuse into the waste gas treatment liquid simultaneously, heat up waste gas treatment liquid, thereby improve the treatment effect to waste gas, air exhauster 52 is installed to the lateral part of waste gas treatment case 51, the both ends of air exhauster 52 are connected with air duct 53, the air duct 53 of left end is the snakelike layout in waste gas treatment case 51, and extend into fermentation cylinder 1, and the left end of air duct 53 passes through hollow bearing 8 and hollow (mixing) shaft 9 intercommunication, when aeration to fermentation cylinder 1 is interior, with air through air duct 53 suction in fermentation cylinder 1, through arranging air duct 53 in waste gas treatment case 51, make air duct 53 can absorb the heat in the waste gas treatment liquid, thereby heat to air duct 53 can be in the air duct 1, to the heat up the air duct 10 is evenly distributed through ventilation shaft 10, the aeration shaft 10 is realized, the aeration shaft is opened in the aeration shaft 10 simultaneously, the aeration shaft is opened in the fermentation cylinder 10.
When the sludge aerobic fermentation composting tank is specifically used, sludge firstly enters the feeding pipe 21 through the feeding hole 25, the first motor 22 drives the auger 23 to rotate, the sludge is conveyed from left to right through the auger 23, the transmission mechanism 4 controls the rotating shaft 32 and the auger 23 to synchronously rotate, the spiral guide blades 33 are driven to rotate, thermophilic bacteria in the adding cylinder 31 are slowly conveyed into the discharging pipe 11 to be mixed with the sludge conveyed in the interior, the auger 23 continues to convey the sludge containing the thermophilic bacteria, the sludge enters the fermentation tank 1 through the material conveying pipe 24 to ferment, during fermentation, the second motor 6 is controlled to operate, the stirring shaft and the stirring rod 10 are driven to rotate, the sludge is stirred and mixed, during fermentation, the sucking pump 54 is controlled to operate, waste gas generated in the fermentation process is sucked into the waste gas treatment tank 51 to be treated, meanwhile, heat carried by the waste gas flows into the waste gas treatment liquid to be temporarily stored, during aeration, the air exhauster 52 is controlled to operate, oxygen is fed into the fermentation tank 1 through the air guide pipe 53 to be treated by the waste gas, and the waste gas is heated up by the air suction pipe 53, and is recycled by the aeration tank Kong Penru after the waste gas is heated, and the waste gas is aerated by the air is circulated through the air tank 51.
Examples
On the basis of the first embodiment, as shown in fig. 3, the transmission mechanism 4 comprises a slave bevel gear 41 fixedly sleeved on the upper end part of the rotating shaft 32, a shaft seat 42 is arranged above the feeding pipe 21, a transverse transmission shaft 43 is sleeved in the shaft seat 42, a master bevel gear 44 meshed with the slave bevel gear 41 is fixedly sleeved on the left end part of the transmission shaft 43, a transmission chain wheel 451 is fixedly sleeved on the right end part of the transmission shaft 43 and the end part of the auger 23, and a transmission chain 452 on the transmission chain wheel 451 can control the transmission shaft 43 and the auger 23 to synchronously rotate.
When the sludge aerobic fermentation composting tank is particularly used, the auger 23 is controlled to rotate through the motor, the transmission shaft 43 synchronously rotates along with the auger 23 under the transmission action of the chain wheel group 45, and the rotating shaft 32 synchronously rotates along with the auger 23 under the meshing of the master bevel gear 44 and the slave bevel gear 41, so that the synchronous guide of aerobic thermophiles and sludge is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a mud aerobic fermentation compost jar, includes fermentation cylinder, its characterized in that: the microbial inoculum feeding device comprises a fermentation tank, a microbial inoculum filling mechanism, a gas treatment assembly, a feeding mechanism, a microbial inoculum filling mechanism and a gas treatment assembly, wherein the feeding mechanism comprises a feeding pipe arranged above the fermentation tank, an auger is transversely sleeved in the feeding pipe, an output end of a motor at the side part of the feeding pipe is connected with one end part of the auger, a material guide pipe is arranged at the rear end part of the feeding pipe, and the material guide pipe is vertically connected with the fermentation tank; the microbial inoculum filling mechanism comprises an adding cylinder connected to the feeding pipe, the adding cylinder is positioned at the front side of the material guiding pipe, a rotating shaft is vertically arranged in the adding cylinder, a spiral material guiding blade is arranged on the rotating shaft, the rotating shaft is in transmission connection with the other end part of the auger through a transmission mechanism, and the rotating shaft can synchronously rotate along with the auger through the transmission mechanism; the gas treatment assembly comprises an exhaust gas treatment box arranged at the side part of the fermentation tank, the side part of the fermentation tank is connected with an exhaust pipe, the lower end part of the exhaust pipe is arranged in the exhaust gas treatment box in a penetrating way, an exhaust fan is arranged at the side part of the exhaust gas treatment box, two end parts of the exhaust fan are connected with gas guide pipes, and the gas guide pipes are arranged in the exhaust gas treatment box in a serpentine shape and extend into the fermentation tank; the fermentation tank is provided with a second motor, the output end of the second motor is vertically sleeved with a hollow stirring shaft, the end part of the air duct is communicated with the hollow stirring shaft, the side part of the hollow stirring shaft is provided with a stirring rod, and the stirring rod is provided with an aeration hole.
2. The sludge aerobic fermentation composting tank according to claim 1, wherein: the transmission mechanism comprises a driven bevel gear fixedly sleeved at the upper end part of the rotating shaft, a transverse transmission shaft is arranged on the feeding pipe through a shaft seat, a main bevel gear meshed with the driven bevel gear is fixedly sleeved at the left end part of the transmission shaft, and the right end part of the transmission shaft is in transmission connection with the end part of the auger through a chain wheel group.
3. A sludge aerobic fermentation composting tank as claimed in claim 2, characterized in that: the sprocket group comprises a driving sprocket fixedly sleeved at the end parts of the transmission shaft and the auger, and a driving chain on the driving sprocket can control the auger and the transmission shaft to synchronously rotate.
4. The sludge aerobic fermentation composting tank according to claim 1, wherein: and an air extracting pump is arranged on the exhaust pipe.
5. The sludge aerobic fermentation composting tank according to claim 1, wherein: the fermentation tank is internally provided with a cross rod, a hollow bearing is fixedly sleeved on the cross rod, the hollow stirring shaft is sleeved in the fermentation tank through the hollow bearing, and the air duct is communicated with the hollow stirring shaft through the hollow bearing.
6. The sludge aerobic fermentation composting tank according to claim 1, wherein: the feeding pipe is provided with a feeding hole, and the bottom of the fermentation tank is provided with a discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443046.8U CN220907399U (en) | 2023-09-08 | 2023-09-08 | Sludge aerobic fermentation composting tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443046.8U CN220907399U (en) | 2023-09-08 | 2023-09-08 | Sludge aerobic fermentation composting tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220907399U true CN220907399U (en) | 2024-05-07 |
Family
ID=90904090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322443046.8U Active CN220907399U (en) | 2023-09-08 | 2023-09-08 | Sludge aerobic fermentation composting tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220907399U (en) |
-
2023
- 2023-09-08 CN CN202322443046.8U patent/CN220907399U/en active Active
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