CN220376476U - Active sludge-discharging type biogas fermentation device - Google Patents
Active sludge-discharging type biogas fermentation device Download PDFInfo
- Publication number
- CN220376476U CN220376476U CN202321489427.3U CN202321489427U CN220376476U CN 220376476 U CN220376476 U CN 220376476U CN 202321489427 U CN202321489427 U CN 202321489427U CN 220376476 U CN220376476 U CN 220376476U
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- fermentation
- biogas
- tank
- cavity
- sludge
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- 238000000855 fermentation Methods 0.000 title claims abstract description 146
- 230000004151 fermentation Effects 0.000 title claims abstract description 143
- 238000007599 discharging Methods 0.000 title claims abstract description 30
- 239000010802 sludge Substances 0.000 claims abstract description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 239000002921 fermentation waste Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims 1
- 241001465754 Metazoa Species 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000003337 fertilizer Substances 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 210000003608 fece Anatomy 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Treatment Of Sludge (AREA)
Abstract
The utility model provides an active sludge-discharging biogas fermentation device, which comprises a fermentation tank and a sludge tank; the fermentation tank comprises a biogas accommodating cavity and a fermentation cavity, the bottom of the fermentation cavity is connected with the bottom of the sludge tank through a sludge discharge pipe, a check valve for preventing sludge in the sludge tank from flowing back into the fermentation tank is arranged in the fermentation tank, and the check valve is connected with the end part of the sludge discharge pipe. The utility model provides an active sludge-discharging biogas fermentation device, which has the beneficial effects that: the beneficial effects of the utility model are as follows: the top of the fermentation tank of the biogas fermentation device is provided with a fermentation cover, the fermentation cover is provided with a lifting shaft and a lifting driving assembly, the lower end of the lifting shaft is provided with a silt discharging plate, the lifting driving assembly can drive the lifting shaft and the silt discharging plate to descend, and the fermented fertilizer in the fermentation tank is timely pressed into the silt tank, so that the idle period of the fermentation tank is shortened, the fermentation tank can rapidly reenter a new fermentation process, and the treatment efficiency of animal excrement and biogas generation speed are improved.
Description
Technical Field
The utility model relates to the technical field of biogas fermentation devices, in particular to an active sludge-discharging type biogas fermentation device.
Background
Large farms can produce a large amount of livestock excreta in the process of cultivation (such as pig farms), the livestock excreta can be discharged in a water flow flushing mode to produce a large amount of cultivation sewage, and sewage treatment is an important link in the cultivation process; at present, the cultivation sewage treatment mode of a cultivation farm mainly comprises the steps of fermenting the cultivation sewage to obtain methane and fermentation waste, wherein the methane is used for generating electricity or used as fuel, and the fermentation waste can be used as agricultural fertilizer. After fermentation is completed, fermentation waste of the biogas fermentation device of the existing farm cannot be discharged in time, and the fermentation waste is accumulated in the fermentation tank, so that the fermentation tank is occupied and idle, and new culture sewage (fermentation raw materials) cannot be accumulated into the fermentation tank in time, so that the fermentation treatment efficiency of the conventional biogas fermentation device on the culture sewage is low, and the requirements of the farm on efficient treatment of the culture sewage are difficult to be met.
Disclosure of Invention
In view of this, the present utility model provides 1. An active sludge-discharging biogas fermentation apparatus includes a fermentation tank, a sludge tank, and a sludge discharge pipe;
the fermentation tank comprises a methane accommodating cavity and a fermentation cavity, wherein the fermentation cavity is positioned below the methane accommodating cavity, the cross section area of the fermentation cavity is smaller than that of the methane accommodating cavity, the bottom of the fermentation cavity is connected with the bottom of the sludge tank through a sludge discharge pipe, a check valve for preventing fermentation waste in the sludge tank from flowing back into the fermentation tank is arranged in the fermentation tank, and the check valve is connected with the end part of the sludge discharge pipe;
the fermentation vat upper end is equipped with a fermentation lid, fermentation lid axial is equipped with the lift axle of vertical setting, be equipped with one on the fermentation lid and drive the lift drive assembly that the lift axle goes up and down, the lift axle lower extreme extends to in the fermentation vat, the lift axle lower extreme is equipped with one row of silt board, arrange silt board position just to the fermentation chamber.
Further, the lifting driving assembly comprises an outer shell and a driving motor; the lifting shaft is provided with lifting threads, a turbine and a worm are rotatably arranged in the outer shell, the turbine and the worm are vertically meshed, the end part of the worm is connected with the driving motor, the turbine is axially provided with a threaded hole, the lifting shaft is arranged in the threaded hole in a threaded fit manner, and the lower end of the lifting shaft is rotatably connected with the upper end of the silt discharging plate.
Further, a connecting wall is arranged at the lower end of the biogas accommodating cavity, the connecting wall is an inverted truncated cone wall, and the connecting wall is connected with the biogas accommodating cavity and the fermentation cavity.
Furthermore, two sliding grooves are further formed in the side wall of the biogas accommodating cavity, the sludge discharging plate is connected with the lifting shaft through a lifting connecting rod, two limiting rods are arranged on the lifting connecting rod, and the end parts of the two limiting rods can be slidably limited in the two sliding grooves.
Further, the end parts of the limiting rods are provided with rollers, and the rollers are located in the two sliding grooves.
Further, a feed inlet, a biogas conveying pipe and a biogas pressure gauge are arranged on the fermentation cover.
Further, a biogas conveying pipe on the fermentation cover is connected with a biogas conveying pump.
Further, a one-way valve is arranged on the biogas conveying pipe.
Further, the check valve comprises a valve sleeve, a fixed support is arranged in the valve sleeve, and a loose-leaf plate is respectively arranged on two sides of the fixed support in a one-way rotation mode.
Further, it is characterized in that: the fixed support comprises a transverse plate and a longitudinal plate, the transverse plate and the longitudinal plate are vertically arranged in the valve sleeve, the longitudinal plate is vertically connected to the middle of the transverse plate, and the two loose-leaf plates are rotatably connected to two sides of the longitudinal plate.
The active sludge-discharging type biogas fermentation device has the beneficial effects that: the biogas fermentation device comprises a fermentation tank and a silt tank, wherein the bottom of the fermentation tank is connected with the bottom of the silt tank through a silt discharging pipe, a fermentation cover is arranged at the top of the fermentation tank, a lifting shaft and a lifting driving assembly are arranged on the fermentation cover, the lower end of the lifting shaft is provided with a silt discharging plate, the lifting driving assembly can drive the lifting shaft and the silt discharging plate to descend, and a fertilizer which is fermented in the fermentation tank is timely pressed into the silt tank, so that the idle period of the fermentation tank is shortened, the fermentation tank can quickly reenter a new fermentation process, and the treatment (fermentation) efficiency and biogas generation speed of animal excrement are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an active sludge-discharging biogas fermentation device according to an embodiment of the utility model.
Fig. 2 is a schematic view of the internal structure of the outer case 7 in fig. 1.
Fig. 3 is a sectional view of the check valve 4 at A-A in fig. 1.
Fig. 4 is a schematic view of the structure of the transverse plate 41 and the longitudinal plate 42 in fig. 3.
In the above figures: the device comprises a 1-fermentation tank, a 11-biogas accommodating cavity, a 12-fermentation cavity, a 13-connecting wall, a 2-sludge tank, a 3-sludge discharge pipe, a 4-check valve, a 41-transverse plate, a 42-longitudinal plate, a 5-fermentation cover, a 51-feed inlet, a 52-biogas pressure gauge, a 53-biogas conveying pipe, a 54-biogas conveying pump, a 6-driving motor, a 7-outer shell, a 71-turbine, a 72-worm, an 8-lifting shaft, a 81-sludge discharge plate, 82-lifting connecting rods and 83-rubber rings.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, an active sludge-discharging biogas fermentation apparatus includes a fermentation tank 1, a sludge tank 2, and a sludge discharging pipe 3.
The fermentation tank 1 comprises a biogas containing cavity 11 and a fermentation cavity 12 with a cylindrical structure, wherein the fermentation cavity 12 is positioned below the biogas containing cavity 11, the cross section area of the fermentation cavity 12 is smaller than that of the biogas containing cavity 11 (namely, the diameter of the fermentation cavity 12 is smaller than that of the biogas containing cavity 11), the bottom of the fermentation cavity 12 is connected with the bottom of the sludge tank 2 through a sludge discharge pipe 3, a check valve 4 for preventing sludge (fermentation waste) in the sludge tank from flowing back into the fermentation tank 12 is arranged in the fermentation tank 12, and the check valve 4 is connected with the end part of the sludge discharge pipe 3. The fermentation tank 1 is used for containing culture sewage (namely fermentation raw materials) and is used as a fermentation container, after the fermentation process in the fermentation tank 1 is completed, the sludge discharge pipe 3 is used for guiding fermentation waste into the sludge tank 2, and the sludge tank 2 is used for temporarily storing the fermentation waste, so that the fermentation tank 1 can quickly enter a new round of fermentation process; a sludge tank 2 may correspond to a plurality of fermentation tanks 1, and when a sludge tank 2 corresponds to a plurality of fermentation tanks 1, the fermentation tanks 1 are disposed around the sludge tank 2.
The upper end of the fermentation tank 1 is provided with a fermentation cover 5, the fermentation cover 5 is axially provided with a vertically arranged lifting shaft 8, the lifting shaft 8 penetrates through a clearance hole in the middle of the fermentation cover 5, and a sealing ring is arranged in the clearance hole; the fermentation cover 5 is provided with a lifting driving component for driving the lifting shaft 8 to lift, the lower end of the lifting shaft 8 extends into the fermentation tank 1, the lower end of the lifting shaft 8 is provided with a circular sludge discharging plate 81, the sludge discharging plate 81 is opposite to the fermentation cavity 12, the diameter of the sludge discharging plate 81 is slightly smaller than that of the fermentation cavity 12, and the edge of the sludge discharging plate 81 is provided with a circle of rubber ring 82. The sludge discharge plate 81 is driven by the lifting driving component to descend, so that fermentation waste in the fermentation cavity 12 can be discharged into the sludge pond 2 through the sludge discharge pipe 3 in an extrusion mode.
Specifically, the lifting drive assembly comprises an outer housing 7 and a drive motor 6; the lifting shaft 8 is provided with lifting threads, the turbine 71 and the worm 72 are rotatably arranged in the outer shell 7, the turbine 71 and the worm 72 are vertically meshed, the end part of the worm 72 is connected with the driving motor 6, the turbine 71 is axially provided with a threaded hole, the lifting shaft 8 is arranged in the threaded hole in a threaded fit manner, the lower end of the lifting shaft 8 is rotatably connected with the upper end of a lifting connecting rod 82, the silt discharging plate 81 is connected to the lower end of the lifting connecting rod 82, two sliding grooves are further formed in the side wall of the biogas accommodating cavity 11, two limiting rods are arranged on the lifting connecting rod 82, and the end parts of the two limiting rods are slidably limited by pulleys in the two sliding grooves.
Preferably, the lower end of the biogas containing cavity 11 is provided with a connecting wall 12, the connecting wall 12 is an inverted truncated cone wall, the connecting wall 12 connects the biogas containing cavity 11 with the fermentation cavity 12, and the connecting wall 12 avoids the problem that steps are formed in the fermentation tank 1, so that fermentation raw materials are accumulated on the steps and cannot participate in fermentation reaction.
Preferably, the fermentation cover 5 is provided with a feed inlet 51, a biogas conveying pipe 53 and a biogas pressure gauge 52, and the biogas pressure gauge 52 is used for monitoring the biogas pressure in the fermentation tank 1 so as to judge whether the fermentation reaction is complete. The biogas transfer pipe 53 is connected to a biogas transfer pump 54. The biogas delivery pipe 53 is also provided with a one-way valve.
As can be appreciated, the check valve 4 is used for preventing fermentation waste in the sludge tank 2 from flowing back into the fermentation tank 1 through the sludge discharge pipe 3, specifically the check valve 4 comprises a valve sleeve with a cylindrical structure, a fixing bracket is arranged in the valve sleeve, the fixing bracket comprises a transverse plate 41 and a longitudinal plate 42, the transverse plate 41 and the longitudinal plate 42 are vertically arranged in the valve sleeve, and the longitudinal plate 42 is vertically connected to the middle part of the transverse plate. Two sides of the longitudinal plate 42 of the fixing bracket are respectively rotatably provided with a loose-leaf plate 43. The transverse plate 41 can prevent the loose-leaf plate 43 from rotating outwards, thereby achieving the purpose of limiting the unidirectional rotation of the loose-leaf plate 43 and further achieving the effect of unidirectional flow of fermentation waste in the sludge discharge pipe 3.
The working process of the active sludge-discharging type biogas fermentation device comprises the steps that fermentation raw materials (mainly excrement of cultured animals) enter a fermentation tank 1 from a feed inlet 51 and are accumulated in a fermentation cavity 12 at the bottom of the fermentation tank 1; the fermentation raw materials generate methane through fermentation, so that the air pressure in a methane accommodating cavity at the upper part of the fermentation tank 1 is increased; the biogas transfer pump 54 is started to transfer the biogas in the fermentation tank 1 into the biogas utilization device for use; after the fermentation of the materials in the fermentation cavity 12 is completed, starting a driving motor 6, driving the lifting shaft 8 and the sludge discharging plate 81 to descend by lifting driving of the driving motor 6, and extruding the waste materials which finish fermentation in the fermentation cavity 12 in the descending process of the sludge discharging plate 81 to discharge the waste materials into the sludge tank 2 through the sludge discharging pipe 3; the driving motor 6 rotates reversely to drive the lifting shaft 8 and the sludge discharging plate 81 to move upwards (waste materials in the sludge tank 2 cannot flow back into the fermentation cavity 12 due to the action of the check valve 4), and the raw materials to be fermented enter the fermentation tank 1 from the feed inlet 51 again to perform a new fermentation process.
The active sludge discharge type biogas fermentation device discharges waste to be fermented into the sludge tank 2 after the material to be fermented is finished, so that the fermentation tank 1 can quickly reenter a new round of fermentation process, the idle period of the fermentation tank 1 is shortened, and the treatment (fermentation) efficiency of the excrement of the cultured animals and the biogas generation speed are improved.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An initiative mud formula marsh gas fermenting installation that arranges, its characterized in that: comprises a fermentation tank, a silt tank and a silt discharging pipe;
the fermentation tank comprises a methane accommodating cavity and a fermentation cavity, wherein the fermentation cavity is positioned below the methane accommodating cavity, the cross section area of the fermentation cavity is smaller than that of the methane accommodating cavity, the bottom of the fermentation cavity is connected with the bottom of the sludge tank through a sludge discharge pipe, a check valve for preventing fermentation waste in the sludge tank from flowing back into the fermentation tank is arranged in the fermentation tank, and the check valve is connected with the end part of the sludge discharge pipe;
the fermentation vat upper end is equipped with a fermentation lid, fermentation lid axial is equipped with the lift axle of vertical setting, be equipped with one on the fermentation lid and drive the lift drive assembly that the lift axle goes up and down, the lift axle lower extreme extends to in the fermentation vat, the lift axle lower extreme is equipped with one row of silt board, arrange silt board position just to the fermentation chamber.
2. An active sludge discharge biogas fermentation apparatus according to claim 1, wherein: the lifting driving assembly comprises an outer shell and a driving motor; the lifting shaft is provided with lifting threads, a turbine and a worm are rotatably arranged in the outer shell, the turbine and the worm are vertically meshed, the end part of the worm is connected with the driving motor, the turbine is axially provided with a threaded hole, the lifting shaft is arranged in the threaded hole in a threaded fit manner, and the lower end of the lifting shaft is rotatably connected with the upper end of the silt discharging plate.
3. An active sludge discharge biogas fermentation apparatus according to claim 1, wherein: the lower end of the biogas containing cavity is provided with a connecting wall which is an inverted truncated cone wall, and the connecting wall is connected with the biogas containing cavity and the fermentation cavity.
4. An active sludge discharge biogas fermentation apparatus according to claim 1, wherein: the biogas accommodating cavity is characterized in that two sliding grooves are further formed in the side wall of the biogas accommodating cavity, the sludge discharging plate is connected with the lifting shaft through a lifting connecting rod, two limiting rods are arranged on the lifting connecting rod, and the end parts of the two limiting rods can be slidably limited in the two sliding grooves.
5. An active sludge discharge biogas fermentation apparatus according to claim 4, wherein: the end part of the limiting rod is provided with rollers, and the rollers are positioned in the two sliding grooves.
6. An active sludge discharge biogas fermentation apparatus according to claim 1, wherein: the fermentation cover is provided with a feed inlet, a biogas conveying pipe and a biogas pressure gauge.
7. An active sludge discharge biogas fermentation apparatus according to claim 6, wherein: and the biogas conveying pipe on the fermentation cover is connected with a biogas conveying pump.
8. An active sludge discharge biogas fermentation apparatus according to claim 6, wherein: the biogas conveying pipe is also provided with a one-way valve.
9. An active sludge discharge biogas fermentation apparatus according to claim 1, wherein: the check valve comprises a valve sleeve, a fixed support is arranged in the valve sleeve, and a loose-leaf plate is respectively arranged on two sides of the fixed support in a one-way rotation mode.
10. An active sludge discharge biogas fermentation apparatus according to claim 9, wherein: the fixed support comprises a transverse plate and a longitudinal plate, the transverse plate and the longitudinal plate are vertically arranged in the valve sleeve, the longitudinal plate is vertically connected to the middle of the transverse plate, and the two loose-leaf plates are rotatably connected to two sides of the longitudinal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489427.3U CN220376476U (en) | 2023-06-12 | 2023-06-12 | Active sludge-discharging type biogas fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321489427.3U CN220376476U (en) | 2023-06-12 | 2023-06-12 | Active sludge-discharging type biogas fermentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220376476U true CN220376476U (en) | 2024-01-23 |
Family
ID=89571371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321489427.3U Active CN220376476U (en) | 2023-06-12 | 2023-06-12 | Active sludge-discharging type biogas fermentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220376476U (en) |
-
2023
- 2023-06-12 CN CN202321489427.3U patent/CN220376476U/en active Active
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