CN222182247U - Straw and excrement mixed three-stage fermentation biogas device - Google Patents
Straw and excrement mixed three-stage fermentation biogas device Download PDFInfo
- Publication number
- CN222182247U CN222182247U CN202420792310.0U CN202420792310U CN222182247U CN 222182247 U CN222182247 U CN 222182247U CN 202420792310 U CN202420792310 U CN 202420792310U CN 222182247 U CN222182247 U CN 222182247U
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- Prior art keywords
- fermentation
- cover
- sealed container
- fixedly connected
- biogas
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- 238000000855 fermentation Methods 0.000 title claims abstract description 62
- 230000004151 fermentation Effects 0.000 title claims abstract description 61
- 239000010902 straw Substances 0.000 title claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 13
- 239000013049 sediment Substances 0.000 claims description 11
- 210000003608 fece Anatomy 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 4
- 238000007789 sealing Methods 0.000 abstract description 22
- 239000000203 mixture Substances 0.000 abstract description 21
- 230000002550 fecal effect Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000010802 sludge Substances 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
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the technical field of biogas fermentation, in particular to a straw and fecal mixed three-stage fermentation biogas device which comprises a sealed container, wherein the upper end and the lower end in the sealed container are fixedly connected with spacing covers in a sealing manner, the lower end in the sealed container is fixedly connected with an inner layer cover in a sealing manner, a proper amount of mixture of straw and fecal is put into a feeding pipe to ferment at the interval of the sealed container and the spacing covers, biogas generated by fermentation enters a gas storage pipe along an upper through groove to be displayed and stored, part of the mixture enters a space between the spacing cover and the inner layer cover along a lower through groove to be subjected to secondary fermentation, biogas generated by fermentation enters the gas storage pipe to be displayed and stored, then the mixture is continuously input to be fermented, the mixture is accumulated and enters the inner layer cover to be subjected to three-time fermentation, biogas liquid is accumulated in the inner layer cover, biogas residues can be discharged along a slag discharging pipe, and the three-stage fermentation of the partition is realized, and the full fermentation utilization of the mixture is realized.
Description
Technical Field
The utility model relates to the technical field of biogas fermentation, in particular to a straw and excrement mixed three-stage biogas fermentation device.
Background
Biogas fermentation is also called anaerobic digestion and anaerobic fermentation, which refers to the process that organic matters (such as human, livestock and poultry feces, straws, weeds and the like) are decomposed and metabolized by various microorganisms under certain moisture, temperature and anaerobic conditions to finally form combustible mixed gas such as methane, carbon dioxide and the like. The biogas fermentation system is based on a biogas fermentation principle, and aims at energy production, so that comprehensive utilization of biogas, biogas slurry and biogas residues is finally realized.
The Chinese patent publication No. CN204589157U discloses a four-in-one biogas fermentation device on 2015-08-26, which comprises a first-stage dry fermentation mechanism, a second-stage wet fermentation mechanism, a folding air storage bag, a sunlight greenhouse and a solar water heater, wherein the first-stage dry fermentation mechanism comprises an annular dry fermentation tank filled with feed liquid and arranged in the sunlight greenhouse, a net cage filled with materials and soaked in the feed liquid, and a water sealing cover hermetically arranged at the top of the net cage, the second-stage wet fermentation mechanism comprises a wet fermentation tank communicated with the dry fermentation tank, a heat exchanger arranged in the wet fermentation tank and a biological film fixed in the wet fermentation tank, an air duct is arranged at the top of the wet fermentation tank, the folding air storage bag is arranged at the top of the wet fermentation tank and communicated with the air duct, and the solar water heater is arranged at the top of the sunlight greenhouse and provides circulating hot water for the heat exchanger. The utility model solves the problem that the sludge pump is easy to block, combines and utilizes solar energy and a sunlight greenhouse, saves energy sources, shortens the degradation time of fiber materials, improves the utilization rate of fermentation raw materials, improves the methane content in methane, and increases the comprehensive utilization rate of methane slag and methane liquid.
However, the disclosed scheme has the defects that the existing multi-stage biogas device is complex in structure and huge in volume, so that the manufacturing, the combination, the movement and the installation and the fixation cannot be conveniently performed, the installation and the use cannot be adapted to the rural soil environment, and the application range is not wide.
Disclosure of utility model
The utility model aims to solve the technical problems that the existing multi-stage biogas device is complex in structure and huge in volume, cannot be conveniently manufactured, combined, moved and installed and fixed, cannot be matched with rural soil environment for installation and use, and is not wide in application range, and provides a straw and excrement mixed three-stage fermentation biogas device.
In order to achieve the above object, the present utility model is realized by the following technical scheme;
The straw and fecal mixed three-stage fermentation biogas device comprises a sealing container, wherein the upper end and the lower end in the sealing container are fixedly connected with a spacing cover in a sealing manner, the lower end in the sealing container is fixedly connected with an inner layer cover in a sealing manner, an upper end opening of the sealing container is fixedly connected with a gas storage pipe, the lower half part of the gas storage pipe is provided with a plurality of filtering holes, a first cover is detachably and fixedly connected with an upper end opening of the gas storage pipe, the side surface of the gas storage pipe is fixedly connected with a gas guide pipe in a communicating manner, the upper surface of the sealing container is fixedly connected with a plurality of feeding pipes in a communicating manner at intervals corresponding to the sealing container and the spacing cover, the upper end of the feeding pipes is detachably and fixedly connected with a second cover, the lower end of the sealing container is fixedly connected with a slag pipe, a first valve is arranged on the slag pipe, the lower end of the spacing cover is provided with a plurality of lower through grooves, the lower end of the sealing container is fixedly connected with a plurality of sand discharge pipelines in a communicating manner corresponding to the lower through grooves, and the tail end of the sand discharge pipelines is fixedly connected with a second valve.
Further, the sealed container, the spacing cover, the inner layer cover and the gas storage pipe are made of glass fiber reinforced plastic.
Further, the opening of the feed pipe is positioned at a spaced intermediate position between the sealed container and the spacing cover.
Further, the upper end face of the interval cover is higher than the upper end face of the inner cover.
The straw and excrement mixed three-stage fermentation biogas device provided by the utility model has the following beneficial effects:
1. According to the utility model, a proper amount of mixture of straw and excrement is put into a feed pipe to ferment at the interval of a sealed container and a spacing cover, biogas generated by fermentation enters a gas storage pipe along an upper through groove to be displayed and stored, part of the mixture enters a space between the spacing cover and an inner layer cover along a lower through groove to be fermented for the second time, biogas generated by fermentation enters the gas storage pipe to be displayed and stored, then the mixture is continuously input to ferment, the mixture is accumulated and enters the inner layer cover for the third time beyond the height of the inner layer cover to be fermented, the biogas enters the gas storage pipe to be displayed and stored, biogas slurry is accumulated in the inner layer cover, biogas residues can be discharged along a slag discharge pipe, the zoned third-stage fermentation is realized, the full fermentation utilization of the mixture is realized, and the problems that the existing biogas fermentation device only can be used for zoned second-stage fermentation and the volume is large and inconvenient to install and move are solved;
2. According to the utility model, materials enter the feeding pipe to reach the space between the sealed container and the spacing cover, so that the space between the sealed container and the spacing cover is easily and uniformly filled for fermentation, and a large amount of straw and fecal raw materials can be stored for primary fermentation.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings;
FIG. 1 is a schematic diagram of an axial structure of the present utility model;
FIG. 2 is a schematic diagram of a semi-sectional axial structure of the present utility model;
Fig. 3 is a schematic diagram of a front half-section structure of the present utility model.
The reference numerals in the figure indicate that 1, a sealed container, 2, a spacing cover, 3, an inner layer cover, 4, a gas storage pipe, 5, a filter hole, 6, a first cover, 7, a gas guide pipe, 8, a feed pipe, 9, a second cover, 10, a slag discharge pipe, 11, a mud and sand discharge pipeline, 12, a second valve, 13, a first valve, 15 and a lower through groove.
Detailed Description
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 utility model.
The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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 be within the scope of the utility model.
It should be noted that all directional indicators (such as up-down-left-right-front-rear.,. The term.) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the motion condition, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators are correspondingly changed, and the connection may be a direct connection or an indirect connection.
Referring to fig. 1-3, a straw and fecal mixed three-stage fermentation biogas device comprises a sealed container 1; the upper end and the lower end in the sealed container 1 are fixedly connected with a spacing cover 2 in a sealing way; an inner layer cover 3 is fixedly connected at the lower end of the inner part of the sealed container 1 in a sealing way; the upper end of the sealing container 1 is fixedly connected with a gas storage pipe 4 through a hole, the lower half part of the gas storage pipe 4 is provided with a plurality of filtering holes 5, the upper end opening of the gas storage pipe 4 is detachably and fixedly connected with a first cover 6, the side surface of the gas storage pipe 4 is fixedly connected with a gas guide pipe 7, the upper surface of the sealing container 1 is fixedly connected with a plurality of feeding pipes 8 corresponding to the interval between the sealing container 1 and a spacing cover 2, the upper end of the feeding pipe 8 is detachably and fixedly connected with a second cover 9, the lower end of the sealing container 1 is fixedly connected with a slag discharging pipe 10, the slag discharging pipe 10 is provided with a first valve 13, the lower end of the spacing cover 2 is provided with a plurality of lower through grooves 15, the lower end of the sealing container 1 is fixedly connected with a plurality of sediment discharging pipelines 11 corresponding to the lower through grooves 15, a second valve 12 is fixedly connected at the tail end of the sediment discharging pipeline 11, when in operation, a proper amount of mixture of straw and manure is put into the sealing container 1 and the spacing cover 2 through the feeding pipes 8 to ferment at the interval between the sealing container 1 and the spacing cover 2, biogas generated by fermentation enters the inner layer 4 to enter the inner layer 3 to be fermented, the sediment mixture can enter the inner layer 3 to be continuously enter the inner layer 3 to be stored in the storage space 3 after the sediment discharging pipeline 4 is continuously in the inner layer 3, and the sediment mixture is continuously enters the inner layer 3 to enter the inner layer 3 after the storage space 3 to be stored in the storage space 3, and the sediment is continuously in the storage space 3 after the sediment is continuously stored in the storage space 3, biogas slurry is accumulated in the inner layer cover 3, and the biogas residue can be discharged along the slag discharge pipe 10, so that zoned three-stage fermentation is realized, full fermentation utilization of a mixture is realized, and the problems that the existing biogas fermentation device can only zoned two-stage fermentation and is large in size and inconvenient to install and move are solved.
The sealed container 1, the spacing cover 2, the inner cover 3 and the gas storage pipe 4 are made of glass fiber reinforced plastic, and when the sealed container is in operation, the sealed container 1, the spacing cover 2, the inner cover 3 and the gas storage pipe 4 are made of glass fiber reinforced plastic, so that the sealed container is light, high in structural strength and long in service life, and can be stably contacted with straw and fecal fermentation mixture for a long time.
When the device is in operation, materials enter the feeding pipe 8 to reach the space between the sealed container 1 and the interval cover 2, so that the space between the sealed container 1 and the interval cover 2 is easily and uniformly filled for fermentation, and a large amount of straw and fecal raw materials can be stored for primary fermentation.
When the device is in operation, the upper end surface of the interval cover 2 is higher than the upper end surface of the inner cover 3, so that the biogas generated after the primary fermentation of the straws and the faeces between the sealed container 1 and the interval cover 2 can rise into the gas storage tube 4 to be stored and then be led out by the gas guide tube 7 to be utilized.
By adopting the scheme, when the biogas fermentation device is used, a proper amount of mixture of straw and excrement is put into the feed pipe 8 to ferment at the interval between the sealed container 1 and the interval cover 2, biogas generated by fermentation enters the gas storage pipe 4 to be displayed and stored, part of the mixture enters the space between the interval cover 2 and the inner layer cover 3 along the lower through groove 15 to ferment secondarily, sediment in the mixture can be discharged through the sediment discharge pipeline 11, biogas generated by fermentation enters the gas storage pipe 4 to be displayed and stored, then the mixture is continuously input to ferment, the mixture is accumulated and enters the inner layer cover 3 for three times beyond the height of the inner layer cover 3 to ferment, the biogas enters the gas storage pipe 4 to be displayed and stored after fermentation, biogas liquid is accumulated in the inner layer cover 3, slag can be discharged along the slag discharge pipe 10 to realize partitioned three-stage fermentation, and full fermentation utilization of the mixture is realized, and the problems that the existing biogas fermentation device only can partition secondary fermentation and has large volume and is inconvenient to install and move are solved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420792310.0U CN222182247U (en) | 2024-04-16 | 2024-04-16 | Straw and excrement mixed three-stage fermentation biogas device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420792310.0U CN222182247U (en) | 2024-04-16 | 2024-04-16 | Straw and excrement mixed three-stage fermentation biogas device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222182247U true CN222182247U (en) | 2024-12-17 |
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ID=93826099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420792310.0U Active CN222182247U (en) | 2024-04-16 | 2024-04-16 | Straw and excrement mixed three-stage fermentation biogas device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222182247U (en) |
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- 2024-04-16 CN CN202420792310.0U patent/CN222182247U/en active Active
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