CN220724150U - Medium-concentration kitchen anaerobic fermentation device - Google Patents
Medium-concentration kitchen anaerobic fermentation device Download PDFInfo
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- CN220724150U CN220724150U CN202322299308.8U CN202322299308U CN220724150U CN 220724150 U CN220724150 U CN 220724150U CN 202322299308 U CN202322299308 U CN 202322299308U CN 220724150 U CN220724150 U CN 220724150U
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- anaerobic
- spiral
- stirring assembly
- fermentation device
- medium
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- 238000000855 fermentation Methods 0.000 title claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000005070 sampling Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000010806 kitchen waste Substances 0.000 abstract description 8
- 239000010410 layer Substances 0.000 abstract description 8
- 230000004151 fermentation Effects 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 5
- 238000000265 homogenisation Methods 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 230000029087 digestion Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013330 chicken meat Nutrition 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to the technical field of kitchen waste treatment, and particularly discloses a medium-concentration kitchen anaerobic fermentation device which comprises an anaerobic tank, a driving assembly arranged at the top of the anaerobic tank, a rotating shaft arranged in the anaerobic tank and connected with the driving assembly, and an anchor stirring assembly, a first spiral stirring assembly, a folding paddle stirring assembly and a second spiral stirring assembly which are sequentially arranged from top to bottom along the rotating shaft, wherein the rotating shaft is arranged along the vertical axis of the anaerobic tank. The medium-concentration kitchen anaerobic fermentation device solves the problems that a slag layer and a sediment are easy to generate on the surface layer when the solid content of kitchen waste is low, and slurry is stirred and stirred uniformly and is not easy to block when the material concentration is high, so that the homogenization of a medium-concentration kitchen material flow field and the stable fermentation of a kitchen anaerobic system are realized.
Description
Technical Field
The utility model relates to the technical field of kitchen waste treatment, in particular to a medium-concentration kitchen anaerobic fermentation device.
Background
The kitchen waste recycling and harmless treatment mainly comprises three treatment processes of anaerobic digestion (anaerobic fermentation), aerobic biological treatment and feed conversion. Among them, anaerobic digestion technology is widely used due to its high degree of reduction and recycling, and its mature technology. The anaerobic fermentation system mainly utilizes solid components in kitchen waste, cultures biological bacteria in a high-temperature anaerobic environment, and decomposes and converts treatment substances into methane, carbon dioxide and fermentation residues through metabolism of various bacteria. And purifying and removing impurities from the produced methane by a methane purifying system, performing cogeneration, stabilizing fermentation residues by composting, and obtaining high-quality organic fertilizer for reuse.
The novel environment-friendly treatment equipment for the anaerobic fermentation tank can well carry out anaerobic fermentation on garbage, fermented materials can be well utilized, environment friendliness is achieved, waste of limited resources can be avoided, the large anaerobic fermentation tank can treat livestock and poultry manure in slaughtering wastewater, cattle, pigs, chickens and other farms and carry out biogas production and power generation engineering, and the kitchen garbage anaerobic digestion process is generally divided into wet anaerobic digestion and dry anaerobic digestion according to the solid content of digested materials. The dry anaerobic system has the advantages that the solid content of the materials is high, the materials are typical thick non-Newtonian fluid, blockage and uneven stirring are easy to occur, and intermediate metabolites such as volatile fatty acid are easy to accumulate to cause the problem of system poisoning, so that the anaerobic system is unstable in fermentation.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides the medium-concentration kitchen anaerobic fermentation device, which solves the problems that a scum layer and a sediment are easy to generate on the surface layer when the solid content of kitchen waste is low, and slurry stirring and stirring are more uniform and difficult to block when the material concentration is high, so that the homogenization of a medium-concentration kitchen material flow field and the stable fermentation of a kitchen anaerobic system are realized.
The utility model provides a well dense kitchen anaerobic fermentation device, includes the anaerobic jar, sets up at the drive assembly at anaerobic jar top, sets up the pivot of being connected with drive assembly in the anaerobic jar, sets gradually anchor stirring assembly, first spiral stirring assembly, folding oar stirring assembly and second spiral stirring assembly along pivot top-down, and the pivot sets up along the vertical axis of anaerobic jar.
Further, the first spiral stirring assembly and the second spiral stirring assembly comprise an auger sleeve and a spiral auger arranged in the auger sleeve, and the spiral auger is fixedly connected with the rotating shaft.
Further, the spiral directions of the spiral augers of the first spiral stirring assembly and the second spiral stirring assembly are the same.
Further, the top end of the spiral auger of the first spiral stirring assembly is flush with the auger sleeve, and the bottom end of the spiral auger of the second spiral stirring assembly protrudes out of the auger sleeve.
Further, the upper part and the middle part of the anaerobic tank are cylindrical, the bottom of the anaerobic tank is in an inverted cone shape, and the second spiral stirring assembly extends from the middle part of the anaerobic tank to the bottom of the anaerobic tank.
Further, the bottom of the anaerobic tank is communicated with a material pipeline, and the material pipeline is sequentially provided with a feeding valve, a material feeding inlet and a lower liquid discharging valve from top to bottom.
Further, the upper part of the anaerobic tank is provided with a methane outlet, the middle part is provided with a middle sampling port, and the lower part is provided with a lower sampling port.
Further, a discharge hole is arranged in the middle of the anaerobic tank.
Further, a safe water seal interface is arranged at the top of the anaerobic tank.
Further, the top of the anaerobic tank is provided with a sight glass.
Compared with the prior art, the utility model has the following technical effects:
according to the medium-concentration kitchen anaerobic fermentation device, through the rotating shaft which is arranged in the anaerobic tank and connected with the driving assembly, the anchor type stirring assembly, the first spiral stirring assembly, the hinge paddle stirring assembly and the second spiral stirring assembly are sequentially arranged from top to bottom along the rotating shaft, and the rotating shaft is arranged along the vertical axis of the anaerobic tank, the problems that a scum layer and a sediment are easy to generate on the surface layer when the solid content of kitchen waste is low, slurry stirring is more uniform when the material concentration is high, blocking is difficult to occur, and therefore the homogenization of a medium-concentration kitchen material flow field and the stable fermentation of a kitchen anaerobic system are realized.
Drawings
For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a network structure of a medium-concentration anaerobic fermentation device in the kitchen.
Wherein, 1, an anaerobic tank; 2. a drive assembly; 3. a rotating shaft; 4. an anchor stirring assembly; 5. a first helical mixing element; 6. a folding paddle stirring assembly; 7. a second helical mixing assembly; 8. a packing auger sleeve; 9. a spiral auger; 10. a material pipe; 11. a feed valve; 12. a material feed inlet; 13. a lower drain valve; 14. a biogas outlet; 15. a middle sampling port; 16. a lower sampling port; 17. a discharge port; 18. a safe water seal interface; 19. a viewing mirror.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
The medium-concentration kitchen anaerobic fermentation device shown in fig. 1 comprises an anaerobic tank 1, a driving component 2 arranged at the top of the anaerobic tank 1, a rotating shaft 3 arranged in the anaerobic tank 1 and connected with the driving component 2, an anchor stirring component 4, a first spiral stirring component 5, a folding paddle stirring component 6 and a second spiral stirring component 7 which are sequentially arranged along the rotating shaft 3 from top to bottom, wherein the rotating shaft 3 is arranged along the vertical axis of the anaerobic tank 1; the first spiral stirring assembly 5 is used for sucking the middle-layer material in a twisting manner, the second spiral stirring assembly 7 is used for sucking the bottom-layer material in a twisting manner and primarily stirring, and the anchor stirring assembly 4 is an anchor stirrer and mainly used for uniformly distributing the middle-thick material lifted by the first spiral stirring assembly 5 and preventing scum on the surface layer; the folding paddle stirring assembly 6 is mainly used for stirring the materials lifted by the second spiral stirring assembly 7 and uniformly distributing the materials conveyed by the bottom; the first spiral stirring assembly 5 and the second spiral stirring assembly 7 are arranged at intervals to form material layering, and the anchor stirring assembly 4, the first spiral stirring assembly 5, the folding paddle stirring assembly 6 and the second spiral stirring assembly 7 simultaneously rotate along with the movement of the rotating shaft 3 driven by the driving assembly 2; therefore, the problems that the surface layer is easy to generate a floating slag layer and precipitate when the solid content of kitchen waste is low, the slurry is stirred and stirred more uniformly when the material concentration is high, and the slurry is not easy to block are solved, and the homogenization of a medium-concentration kitchen material flow field and the stable fermentation of a kitchen anaerobic system are realized.
Specifically, the first spiral stirring assembly 5 and the second spiral stirring assembly 7 comprise an auger sleeve 8 and a spiral auger 9 arranged in the auger sleeve 8, and the spiral auger 9 is fixedly connected with the rotating shaft 3; the spiral directions of the spiral augers 9 of the first spiral stirring assembly 5 and the second spiral stirring assembly 7 are the same; the first spiral stirring assembly 5 and the second spiral stirring assembly 7 are arranged at intervals, so that the layered and sectional internal circulation of materials in the system is satisfied; the spiral auger 9 of the first spiral stirring assembly 5 and the second spiral stirring assembly 7 can adopt single-line spiral or multi-line spiral, so that the conveying capacity of the auger is improved, and the increase of the concentration of materials in a system or the increase of the internal circulation proportion is met.
Specifically, the top end of the spiral auger 9 of the first spiral stirring assembly 5 is flush with the auger sleeve 8, and the bottom end of the spiral auger 9 of the second spiral stirring assembly 7 protrudes out of the auger sleeve 8; the bottom of the spiral auger 9 of the second spiral stirring assembly 7 protrudes out of the auger sleeve 8 to further carry out auger suction and preliminary stirring on the bottom material, and preferably, the length of the spiral auger 9 of the second spiral stirring assembly 7 protruding out of the auger sleeve 8 is 200mm so as to play a role in stirring and lifting the material.
Specifically, the upper part and the middle part of the anaerobic tank 1 are cylindrical, the bottom of the anaerobic tank 1 is in an inverted cone shape, and the second spiral stirring assembly 7 extends from the middle part of the anaerobic tank 1 to the bottom of the anaerobic tank 1; the bottom of the anaerobic tank 1 is formed by welding and assembling a plurality of steel plates; the inverted cone-shaped cylinder is beneficial to the material to fall down intensively and then fall into the bottom of the spiral auger 9, and the inverted cone-shaped structure also has the flow guiding function, so that the material circulation is further promoted.
Specifically, the bottom of the anaerobic tank 1 is communicated with a material pipeline 10, and the material pipeline 10 is sequentially provided with a feed valve 11, a material feed inlet 12 and a lower drain valve 13 from top to bottom; wherein, feed valve 11 is used for controlling anaerobic jar 1 feed flow, and material feed inlet 12 connects the feed equipment, and lower flowing back valve 13 is used for clearing up or exhausting the material in the anaerobic jar 1.
Specifically, the upper portion of the anaerobic tank 1 is provided with a methane outlet 14, the middle portion is provided with a middle sampling port 15, the lower portion is provided with a lower sampling port 16, the methane outlet 14 is used for conveying methane to the outside, and the middle sampling port 15 and the lower sampling port 16 are respectively used for sampling and detecting materials in the middle layer and the lower layer.
Specifically, the middle part of the anaerobic tank 1 is provided with a discharge hole 17, and the top of the anaerobic tank 1 is provided with a safe water seal interface 18.
Specifically, the driving assembly 2 is a driving motor, and the driving motor is in sealing connection with the anaerobic tank 1 so as to prevent oxygen from entering and methane from leaking.
Specifically, the top of the anaerobic tank 1 is provided with a sight glass 19 for observing the working condition in the anaerobic tank 1.
The working principle of the utility model is as follows: during the use, with the material from the material feed inlet 12 input anaerobic jar 1 lower part taper section of thick bamboo in, come the transmission through drive assembly 2 and adjust agitator speed, drive assembly 2 during operation, transmission anchor stirring subassembly 4, first spiral stirring subassembly 5, fold paper oar stirring subassembly 6 and second spiral stirring subassembly 7, the spiral auger 9 of second spiral stirring subassembly 7 is with the new material and jar internal raw materials further mixing back through the spiral auger sleeve 8 of second spiral stirring subassembly 7 upwards layering and carry the middle part of anaerobic jar 1, fold paper oar stirring subassembly 6 will promote the material at middle part and carry out the stirring, the spiral auger 9 of first stirring subassembly upwards carries anaerobic jar 1 upper portion to the material at middle part, anchor stirring subassembly 4 carries out the cloth and stirs evenly to the upper portion material, upper portion material is through gravity effect down to anaerobic jar 1's middle part and bottom, and carry out continuous circulation stirring, thereby reach the even cloth effect of thick material in the device anaerobic fermentation.
The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (10)
1. The utility model provides a well dense kitchen anaerobic fermentation device, its characterized in that includes the anaerobic jar, sets up the drive assembly at anaerobic jar top, sets up the pivot of being connected with drive assembly in the anaerobic jar, sets gradually anchor stirring assembly, first spiral stirring assembly, folding oar stirring assembly and second spiral stirring assembly along pivot top-down, the pivot sets up along the vertical axis of anaerobic jar.
2. The medium consistency anaerobic fermentation device according to claim 1, wherein the first spiral stirring assembly and the second spiral stirring assembly comprise an auger sleeve and a spiral auger arranged in the auger sleeve, and the spiral auger is fixedly connected with the rotating shaft.
3. The medium consistency anaerobic fermentation device according to claim 2, wherein the spiral direction of the spiral augers of the first spiral stirring assembly and the second spiral stirring assembly is the same.
4. The medium consistency anaerobic fermentation device according to claim 2, wherein the top end of the spiral auger of the first spiral stirring assembly is flush with the auger sleeve, and the bottom end of the spiral auger of the second spiral stirring assembly protrudes from the auger sleeve.
5. The medium consistency anaerobic fermentation device according to claim 1, wherein the upper part and the middle part of the anaerobic tank are cylindrical, the bottom of the anaerobic tank is in an inverted cone shape, and the second spiral stirring assembly extends from the middle part of the anaerobic tank to the bottom of the anaerobic tank.
6. The medium-concentration kitchen anaerobic fermentation device according to claim 1, wherein the bottom of the anaerobic tank is communicated with a material pipeline, and the material pipeline is sequentially provided with a feed valve, a material feed inlet and a lower drain valve from top to bottom.
7. The medium-concentration kitchen anaerobic fermentation device according to claim 1, wherein the anaerobic tank is provided with a biogas outlet at the upper part, a middle sampling port at the middle part and a lower sampling port at the lower part.
8. The medium-concentration kitchen anaerobic fermentation device according to claim 1, wherein a discharge port is arranged in the middle of the anaerobic tank.
9. The medium consistency anaerobic fermentation device according to claim 1, wherein the top of the anaerobic tank is provided with a safety water seal interface.
10. The medium consistency anaerobic fermentation device according to claim 1, wherein the top of the anaerobic tank is provided with a sight glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299308.8U CN220724150U (en) | 2023-08-25 | 2023-08-25 | Medium-concentration kitchen anaerobic fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299308.8U CN220724150U (en) | 2023-08-25 | 2023-08-25 | Medium-concentration kitchen anaerobic fermentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220724150U true CN220724150U (en) | 2024-04-05 |
Family
ID=90488001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322299308.8U Active CN220724150U (en) | 2023-08-25 | 2023-08-25 | Medium-concentration kitchen anaerobic fermentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220724150U (en) |
-
2023
- 2023-08-25 CN CN202322299308.8U patent/CN220724150U/en active Active
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