CN221117271U - Dirty anaerobic fermentation device of excrement - Google Patents
Dirty anaerobic fermentation device of excrement Download PDFInfo
- Publication number
- CN221117271U CN221117271U CN202322961018.5U CN202322961018U CN221117271U CN 221117271 U CN221117271 U CN 221117271U CN 202322961018 U CN202322961018 U CN 202322961018U CN 221117271 U CN221117271 U CN 221117271U
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- China
- Prior art keywords
- pipe
- anaerobic fermentation
- fermentation device
- fecal sewage
- pipe joint
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- 238000000855 fermentation Methods 0.000 title claims abstract description 42
- 239000010865 sewage Substances 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 230000002550 fecal effect Effects 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 16
- 230000004151 fermentation Effects 0.000 abstract description 18
- 239000010871 livestock manure Substances 0.000 abstract description 14
- 210000003608 fece Anatomy 0.000 abstract description 12
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 244000144972 livestock Species 0.000 abstract description 3
- 244000144977 poultry Species 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to the technical field of livestock and poultry manure fermentation treatment, in particular to a manure anaerobic fermentation device, which comprises a tank body, a sealing cover, a liquid discharge hose, an anti-stirring floating head, a telescopic pipe, a connecting hose and a manure inlet pipe, wherein the sealing cover comprises a cover body, and a biogas slurry discharge pipe joint, a U-shaped bracket, a feeding pipe joint, an air duct joint and a handle are connected to the cover body; the upper part of the tank body is provided with a tank opening connected with the cover body; one end of the liquid discharge hose penetrates through the U-shaped bracket to be connected with the lower end of the biogas slurry discharge pipe joint, and the other end of the liquid discharge hose is contacted with the inner wall of the bottom of the tank body; the telescopic pipe is connected between the lower end of the feed pipe joint and the upper end of the anti-stirring floating head; the connecting hose is connected between the upper end of the feed pipe joint and the excrement and sewage inlet pipe. The utility model has small occupied area and low environmental pollution, is particularly efficient and energy-saving in winter fermentation, and is particularly suitable for treating the excrement of a family farm type farm.
Description
Technical Field
The utility model relates to the technical field of livestock and poultry manure fermentation treatment, in particular to a manure anaerobic fermentation device.
Background
At present, about 2000 ten thousand pigs are raised in China, the discharge amount of pig manure is increased year by year, and serious pollution is caused to the ecological environment. According to national policy and call, pig raising scattered households are being transformed to family farms to standardize the treatment of the manure of the cultivation, and reduce environmental pollution. For the treatment of livestock manure, anaerobic digestion is one of the most effective modes, and the treatment of livestock manure by anaerobic digestion technology not only reduces the content of pollutants, but also generates a large amount of secondary products, namely methane, methane liquid and methane slag. The biogas can be used for generating power, burning or recycling CNG through purifying equipment, and the biogas residue can be prepared into organic fertilizer through aerobic fermentation to return to farmlands.
However, the fecal sewage fermentation device in the prior art has the following defects: ① The medium-large farm adopts the three-stage fermentation tanks to treat the manure, so that the floor area is large and the construction cost is high; ② The traditional septic tank is exposed in the surrounding environment, has slow accumulation and temperature rise, poor oxygen isolation effect and fermentation effect, and generates a large amount of secondary pollution; ③ The livestock and poultry manure organic matters are piled up in the closed container, the fermentation temperature control system is complex, the energy consumption is high, in addition, newly inflowing manure is more mixed with decomposed biogas slurry, the activity of anaerobic bacteria is reduced, the quality of the decomposed biogas fertilizer is influenced, and the release of harmful gases such as ammonia, hydrogen sulfide and the like is increased; ④ The anaerobic fermentation efficiency of the fecal sewage in winter is low, and the supply of combustible gas is insufficient.
Disclosure of utility model
The utility model aims to provide the fecal sewage anaerobic fermentation device which has small occupied area and low environmental pollution and is particularly efficient and energy-saving in winter fermentation so as to solve the problem of fecal sewage treatment of a family farm type farm.
In order to achieve the above purpose, the utility model has the following technical scheme:
The utility model provides a fecal sewage anaerobic fermentation device, which comprises a tank body, a sealing cover, a liquid discharge hose, an anti-stirring floating head, a telescopic pipe, a connecting hose and a fecal sewage inlet pipe, wherein the sealing cover comprises a cover body, and the cover body is connected with a biogas slurry discharge pipe joint, a U-shaped bracket, a feeding pipe joint, an air duct joint and a handle;
the upper part of the tank body is provided with a tank opening connected with the cover body;
one end of the liquid discharge hose penetrates through the U-shaped bracket to be connected with the lower end of the biogas slurry discharge pipe joint, and the other end of the liquid discharge hose is contacted with the inner wall of the bottom of the tank body;
The telescopic pipe is connected between the lower end of the feed pipe joint and the upper end of the anti-stirring floating head;
the connecting hose is connected between the upper end of the feeding pipe joint and the excrement introducing pipe.
Preferably, the fecal sewage anaerobic fermentation device further comprises a valve, wherein the valve is connected to the upper part of the biogas slurry discharge pipe joint and the lower part of the fecal sewage inlet pipe.
Preferably, the anti-stirring floating head comprises a connecting pipe, a material guiding plate, a connecting rod connected between the material guiding plate and the connecting pipe, and a cavity connected below the material guiding plate, wherein one end of the connecting pipe is connected with the lower end of the telescopic pipe.
Preferably, the guide plate is a circular flat plate.
Preferably, the material guiding plate is a circular cone panel with a raised middle part.
Preferably, the cavity is a hollow ring.
Preferably, the anti-stirring floating head further comprises a weight rod, and one end of the weight rod is connected to the middle part below the material guide plate.
Preferably, the telescopic tube is a bellows.
Preferably, the excrement inlet pipe comprises a U-shaped pipe section, and an excrement inlet of the excrement inlet pipe is connected with a filter screen.
Preferably, the tank body is buried under the ground of the farm, and the sealing cover is located below the prefabricated cover plate laid in the farm corridor.
Preferably, the cover body is also connected with a liquid level meter and a temperature sensor, so that the biogas slurry level and the temperature condition in the tank body can be conveniently determined.
Preferably, the cover body is also connected with a plurality of heat conducting rods, so that the proper fermentation temperature in the tank body can be conveniently adjusted and maintained.
Due to the adoption of the technical scheme, the utility model has the advantages that:
1. the utility model is built below the farm, and the occupied area is small;
2. the tank body has few joints and good tightness, so that nitrogen in urine in the excrement cannot volatilize and run off in the form of ammonia, the generation of acid rain is greatly reduced, phosphorus in the excrement cannot run off, the pollution to underground river is avoided, the eutrophication of water is avoided, and secondary pollution is not easy to occur;
3. According to the utility model, organic matters such as pig manure in the tank body are rapidly accumulated and heated by utilizing the geothermal energy, and the anaerobic fermentation capability is greatly exerted due to the excellent tightness, so that the fermentation efficiency is high, the fermentation is thorough, the fermentation efficiency of manure in winter is particularly improved, and the continuous supply of methane in winter is ensured;
4. The sealing cover provided by the utility model is connected with the functional components such as the biogas slurry discharge pipe joint, the U-shaped bracket, the feeding pipe joint, the air duct joint, the handle and the like, and after the prefabricated cover plate under the farm is lifted, the sealing cover is pulled out from the tank body through the handle, so that maintenance and overhaul work can be conveniently carried out on all the connecting components;
5. The utility model is provided with the anti-stirring floating head, and the excrement to be fermented flowing into the tank body through the connecting pipe can be guided by the material guide plate to flow in the direction parallel to the liquid level of the existing biogas slurry in the tank body, so that the layer-by-layer fermentation is realized, the excrement flowing in newly is prevented from directly rushing into the deep part of the biogas slurry and being excessively mixed with the fermented biogas slurry, the activity of anaerobic bacteria is reduced, and the quality of the biogas slurry and the biogas slurry to be discharged is influenced;
6. the cover body is also connected with the heat conducting rod, the liquid level meter and the temperature sensor, so that the biogas slurry liquid level and the temperature condition in the tank body can be conveniently determined, the proper fermentation temperature in the tank body can be regulated and maintained through the condensation section of the heat conducting rod which is exposed or insulated, and no energy source is consumed in the temperature control process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an anaerobic fermentation device for fecal sewage, which is provided by the embodiment of the utility model, buried under a farm;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic side view of an anti-agitation floating head according to an embodiment of the present utility model;
fig. 4 is a schematic top view of fig. 3.
In the figure: 1. a farm; 11. prefabricating a cover plate; 2. ground surface; 3. an anaerobic fermentation device for fecal sewage; 31. a tank body; 32. sealing cover; 321. a biogas slurry discharge pipe joint; 322. a U-shaped bracket; 323. a feed pipe joint; 324. an airway tube connector; 325. a handle; 326. a heat conduction rod; 327. a liquid level gauge; 328. a temperature sensor; 33. a drain hose; 34. anti-agitation floating head; 341. a connecting pipe; 342. a connecting rod; 343. a material guide plate; 344. a cavity body; 345. a weight bar; 35. a telescopic tube; 36. a connecting hose; 37. a fecal sewage inlet pipe; 371. a fecal sewage inlet; 4. biogas slurry; 5. and (3) a valve.
Detailed Description
In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", "left", "right", "front", "rear", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.
The specific embodiments will now be described as follows:
The utility model provides an embodiment of an anaerobic fermentation device for fecal sewage, which is shown in fig. 1 and 2, and comprises a tank body (31), a sealing cover (32), a liquid discharge hose (33), an anti-stirring floating head (34), a corrugated pipe, a connecting hose (36) and a fecal sewage inlet pipe (37), wherein the sealing cover (32) comprises a cover body, and a biogas slurry discharge pipe joint (321), a U-shaped bracket (322), a feed pipe joint (323), an air duct joint (324), a heat conducting rod (326), a valve (5), a liquid level meter (327), a temperature sensor (328) and a lifting handle (325) are connected to the cover body; the valve (5) is connected to the upper part of the biogas slurry outlet pipe joint (321) and the lower part of the fecal sewage inlet pipe (37); the fecal sewage leading-in pipe (37) comprises a U-shaped pipe section;
The connecting hose (36) is connected between the upper end of the feeding pipe joint (323) and the excrement introducing pipe (37);
One end of the liquid discharge hose (33) passes through the U-shaped bracket (322) to be connected with the lower end of the biogas slurry discharge pipe joint (321), and the other end of the liquid discharge hose is contacted with the bottom inner wall of the tank body (31);
the corrugated pipe is connected between the lower end of the feeding pipe joint (323) and the upper end of the anti-stirring floating head (34);
the upper portion of jar body (31) with lid body coupling, jar body (31) buries below ground (2) of plant (1), and sealed lid (32) are located the below of prefabricated apron (11) that plant (1) passageway was laid.
The utility model provides an embodiment of an anti-stirring floating head (34), which comprises a connecting pipe (341), a material guiding plate (343), a connecting rod (342) connected between the material guiding plate (343) and the connecting pipe (341), and a cavity (344) and a weight rod (345) connected below the material guiding plate (343), wherein the material guiding plate (343) is a circular cone panel with a raised middle part; the cavity (344) is a hollow circular ring; the upper end of the connecting pipe (341) is connected with the lower end of the telescopic pipe (35), see fig. 2, 3 and 4.
The utility model controls the fermentation temperature in the tank body:
When the fermentation temperature in the tank body (31) fed back by the temperature sensor (328) is too high, excessive heat in the tank body (31) can be discharged out of the tank body (31) through the heat conducting rod (326) by exposing the condensation section of the heat conducting rod (326) in the air; when the fermentation temperature in the tank body (31) fed back by the temperature sensor (328) reaches the proper temperature, the condensing section of the heat conducting rod (326) can be covered by a heat insulation sleeve or a heat insulation pad to carry out heat insulation, so that excessive heat dissipation is avoided, and the proper fermentation temperature in the tank body (31) is maintained.
When the utility model is used, before an upper building of a farm ground (2) is built, the end of the sealing cover (32) is upward, the utility model is buried under the foundation of the farm (the sealing cover and the periphery thereof are not buried, and soil layers around the sealing cover are preferably reinforced to provide good environments for developing various works in the future), the sealing cover (32) is ensured to be positioned below a passageway of the farm (1), and a prefabricated cover plate (11) which is convenient to open is paved on the passageway, so that the maintenance and overhaul of the fecal sewage anaerobic fermentation device are facilitated. After the farm (1) is built, the air duct joint (324) is connected with the methane conveying pipe fitting and the corresponding sensor and the like, so that the installation can be completed.
When biogas slurry discharge operation is needed, one end of a pipe fitting connected with a pump is connected to the upper end of a biogas slurry discharge pipe joint (321), the other end of the pipe fitting is fixed in a collecting port of a biogas slurry collecting tank car, then a valve (5) is opened, the pump is started again, fermented biogas fertilizer at the lower part of the tank body can be discharged into a collecting tank of the tank car, and the valve is closed after discharge is finished.
The above examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. All obvious changes or modifications which come within the spirit of the utility model are desired to be protected.
Claims (10)
1. An anaerobic fermentation device for fecal sewage, which is characterized in that: the anti-stirring floating head comprises a tank body (31), a sealing cover (32), a liquid discharge hose (33), an anti-stirring floating head (34), a telescopic pipe (35), a connecting hose (36) and a fecal sewage inlet pipe (37), wherein the sealing cover (32) comprises a cover body, and a biogas slurry discharge pipe joint (321), a U-shaped bracket (322), a feed pipe joint (323), an air duct joint (324) and a handle (325) are connected to the cover body;
the upper part of the tank body (31) is provided with a tank opening connected with the cover body;
One end of the liquid discharge hose (33) passes through the U-shaped bracket (322) to be connected with the lower end of the biogas slurry discharge pipe joint (321), and the other end of the liquid discharge hose is contacted with the bottom inner wall of the tank body (31);
the telescopic pipe (35) is connected between the lower end of the feeding pipe joint (323) and the upper end of the anti-stirring floating head (34);
the connecting hose (36) is connected between the upper end of the feeding pipe joint (323) and the excrement introducing pipe (37).
2. The fecal sewage anaerobic fermentation device of claim 1, wherein: the fecal sewage anaerobic fermentation device further comprises a valve (5), wherein the valve (5) is connected to the upper part of the biogas slurry discharge pipe joint (321) and the lower part of the fecal sewage inlet pipe (37).
3. The fecal sewage anaerobic fermentation device of claim 1, wherein: the anti-stirring floating head (34) comprises a connecting pipe (341), a material guiding plate (343), a connecting rod (342) connected between the material guiding plate (343) and the connecting pipe (341), and a cavity (344) connected below the material guiding plate (343), wherein one end of the connecting pipe (341) is connected with the lower end of the telescopic pipe (35).
4. A fecal sewage anaerobic fermentation device according to claim 3, wherein: the material guiding plate (343) is a round cone panel with a raised middle part.
5. A fecal sewage anaerobic fermentation device according to claim 3, wherein: the cavity (344) is a hollow circular ring.
6. A fecal sewage anaerobic fermentation device according to claim 3, wherein: the anti-stirring floating head (34) further comprises a weight rod (345), and one end of the weight rod (345) is connected to the middle part of the lower surface of the material guiding plate (343).
7. The fecal sewage anaerobic fermentation device of claim 1, wherein: the cover body is also connected with a plurality of heat conducting rods (326).
8. The fecal sewage anaerobic fermentation device of claim 1, wherein: the telescopic pipe (35) is a corrugated pipe.
9. The fecal sewage anaerobic fermentation device of claim 1, wherein: the excrement inlet pipe (37) comprises a U-shaped pipe section, and an excrement inlet (371) of the excrement inlet pipe (37) is connected with a filter screen.
10. The fecal sewage anaerobic fermentation device of claim 1, wherein: the tank body (31) is buried under the ground of the farm (1), and the sealing cover (32) is located below the prefabricated cover plate (11) paved in the corridor of the farm (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961018.5U CN221117271U (en) | 2023-11-02 | 2023-11-02 | Dirty anaerobic fermentation device of excrement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322961018.5U CN221117271U (en) | 2023-11-02 | 2023-11-02 | Dirty anaerobic fermentation device of excrement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221117271U true CN221117271U (en) | 2024-06-11 |
Family
ID=91374897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322961018.5U Active CN221117271U (en) | 2023-11-02 | 2023-11-02 | Dirty anaerobic fermentation device of excrement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221117271U (en) |
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2023
- 2023-11-02 CN CN202322961018.5U patent/CN221117271U/en active Active
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