CN211814063U - Simple and easy dirty anaerobic fermentation device of beasts and birds excrement - Google Patents
Simple and easy dirty anaerobic fermentation device of beasts and birds excrement Download PDFInfo
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- CN211814063U CN211814063U CN201922431885.1U CN201922431885U CN211814063U CN 211814063 U CN211814063 U CN 211814063U CN 201922431885 U CN201922431885 U CN 201922431885U CN 211814063 U CN211814063 U CN 211814063U
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Abstract
The utility model discloses a dirty anaerobic fermentation device of simple and easy beasts and birds excrement, including prevention of seepage geomembrane, plastic film material, feed liquor pipe and marsh gas pipe, the prevention of seepage geomembrane is laid in digging the soil hole in advance, and plastic film material is laid to the top in soil hole. The simple livestock and poultry manure anaerobic fermentation device is characterized in that an anti-seepage geomembrane is laid on the inner wall of a pre-dug soil pit, then a plastic film material is laid above the soil pit, the anti-seepage geomembrane made of HDPE material has good corrosion resistance, and the sealing performance of the joint of the plastic film material and the anti-seepage geomembrane is good, so that the whole anti-seepage geomembrane and the plastic film material are sealed, wherein biogas slurry in the anti-seepage geomembrane is used as liquid seal, generated biogas jacks up the plastic film material at the top to be used as a temporary storage gas holder.
Description
Technical Field
The utility model relates to an anaerobic fermentation device technical field specifically is a dirty anaerobic fermentation device of simple and easy beasts and birds excrement.
Background
The direct discharge of the culture liquid manure without treatment is an important reason for the quality reduction of the water environment in partial areas. The livestock and poultry breeding feces and sewage contain a large amount of pollutants such as nitrogen, phosphorus and the like, and after the pollutants are discharged into a water body, aquatic organisms are excessively bred, the dissolved oxygen content is rapidly reduced, and eutrophication occurs. The breeding liquid dung is directly discharged into the soil, which threatens the soil environment and the quality safety of agricultural products. On one hand, the livestock and poultry breeding amount in partial areas is increased disorderly, the waste discharge amount seriously exceeds the land absorption capacity, and the farmland soil pollution is caused. On the other hand, the improper treatment of the livestock and poultry breeding excrement can cause the microbial pollution of agricultural products and directly threaten the food safety.
Therefore, the existing farm needs fermentation treatment when treating the liquid dung, the system is environment-friendly and can obtain biogas, and the conventional fermentation treatment generating device mainly comprises one or a plurality of CSTR, USR and UASB. But the cost is higher, the construction period is long, and the method is not suitable for medium and small-sized farms.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dirty anaerobic fermentation device of simple and easy beasts and birds excrement possesses the cost low, is applicable to the advantage that middle-size and small-size plant used, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a simple livestock and poultry manure anaerobic fermentation device comprises an anti-seepage geomembrane, a plastic film material, a liquid inlet pipe and a biogas pipe, wherein the anti-seepage geomembrane is laid in a pre-dug soil pit, the plastic film material is laid above the soil pit, the edge of the plastic film material is connected with the anti-seepage geomembrane, and the liquid inlet pipe and the biogas pipe are installed on the plastic film material.
Preferably, the liquid inlet pipe and the biogas pipe are obliquely arranged, and the liquid inlet pipe and the biogas pipe are not contacted with biogas slurry.
Preferably, the sealing performance of the joint of the plastic membrane material and the impermeable geomembrane is good.
Preferably, a liquid guide pipe is installed at the center of the anti-seepage geomembrane, the inlet of the liquid guide pipe is positioned below the liquid level of the biogas slurry, and the other end of the liquid guide pipe is connected with a biogas slurry storage pool.
Preferably, the impermeable geomembrane is made of HDPE materials, and biogas slurry in the impermeable geomembrane is mixed liquid of clear liquid of a concentration tank and liquid of a solid-liquid separator.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the simple livestock and poultry manure anaerobic fermentation device is characterized in that an anti-seepage geomembrane is laid on the inner wall of a pre-dug soil pit, then a plastic film material is laid above the soil pit, the anti-seepage geomembrane made of HDPE material has good corrosion resistance, and the sealing performance of the joint of the plastic film material and the anti-seepage geomembrane is good, so that the whole anti-seepage geomembrane and the plastic film material are sealed, wherein biogas slurry in the anti-seepage geomembrane is used as liquid seal, generated biogas jacks up the plastic film material at the top to be used as a temporary storage gas holder.
Drawings
Fig. 1 is a schematic sectional view of the overall structure of the present invention.
In the figure: 1. an impermeable geomembrane; 2. a plastic film material; 3. a liquid inlet pipe; 4. a biogas pipe; 5. a catheter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a simple livestock and poultry manure anaerobic fermentation device comprises an anti-seepage geomembrane 1, a plastic film material 2, a liquid inlet pipe 3 and a biogas pipe 4, wherein a liquid guide pipe 5 is arranged at the center of the anti-seepage geomembrane 1, the inlet of the liquid guide pipe 5 is positioned below the liquid level of biogas slurry, the other end of the liquid guide pipe 5 is connected with a biogas slurry storage tank, fermented biogas slurry enters the biogas slurry storage tank through the liquid guide pipe 5, the anti-seepage geomembrane 1 is laid in a pre-dug soil pit, the soil pit is easy to dig to the process, the construction is convenient, the manufacturing cost is low, the soil pit needs to be tamped firstly and then laid with the anti-seepage geomembrane 1, the plastic film material 2 is laid above the soil pit, the anti-seepage geomembrane 1 is made of HDPE material, the anti-seepage geomembrane 1 made of HDPE material has good corrosion capacity, and simultaneously has high moisture resistance, the edge of the plastic membrane material 2 is connected with the anti-seepage geomembrane 1, the sealing performance of the joint of the plastic membrane material 2 and the anti-seepage geomembrane 1 is good, thus the whole anti-seepage geomembrane 1 and the plastic membrane material 2 are sealed, wherein the biogas slurry in the anti-seepage geomembrane 1 is used as a liquid seal, the generated biogas is used for jacking the plastic film material 2 at the top as a temporary storage gas holder, the biogas slurry in the anti-seepage geomembrane 1 is a mixed liquid of a clarified liquid of a concentration tank and a liquid of a solid-liquid separator, the source of the biogas slurry is simple, a liquid inlet pipe 3 and a biogas pipe 4 are arranged on the plastic film material 2, the liquid inlet pipe 3 and the biogas pipe 4 are both obliquely arranged, the liquid inlet pipe 3 and the biogas pipe 4 are not contacted with the biogas slurry, the biogas slurry is prevented from entering a pipeline, the whole fermentation device has simple construction process, low cost and short construction, meanwhile, the method is simple in site selection, is suitable for being used in small and medium-sized farms, and is also suitable for fermentation treatment of pretreated culture sewage with low solid content.
In summary, the following steps: the simple livestock and poultry manure anaerobic fermentation device is characterized in that the anti-seepage geomembrane 1 is laid on the inner wall of a pre-dug soil pit, then the plastic film material 2 is laid above the soil pit, the anti-seepage geomembrane 1 made of HDPE material has good corrosion resistance, the sealing performance of the joint of the plastic film material 2 and the anti-seepage geomembrane 1 is good, so that the whole anti-seepage geomembrane 1 and the plastic film material 2 are sealed, wherein biogas slurry in the anti-seepage geomembrane 1 is used as liquid seal, and the generated biogas jacks up the plastic film material 2 at the top to be used as a temporary storage gas holder.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dirty anaerobic fermentation device of simple and easy beasts and birds excrement, includes prevention of seepage geomembrane (1), plastic film material (2), feed liquor pipe (3) and marsh gas pipe (4), its characterized in that: the anti-seepage geomembrane (1) is laid in a pre-dug soil pit, a plastic film material (2) is laid above the soil pit, the edge of the plastic film material (2) is connected with the anti-seepage geomembrane (1), and a liquid inlet pipe (3) and a biogas pipe (4) are installed on the plastic film material (2).
2. The simple livestock and poultry manure anaerobic fermentation device according to claim 1, which is characterized in that: the liquid inlet pipe (3) and the biogas pipe (4) are obliquely arranged, and the liquid inlet pipe (3) and the biogas pipe (4) are not contacted with biogas slurry.
3. The simple livestock and poultry manure anaerobic fermentation device according to claim 1, which is characterized in that: the sealing performance of the joint of the plastic membrane material (2) and the anti-seepage geomembrane (1) is good.
4. The simple livestock and poultry manure anaerobic fermentation device according to claim 1, which is characterized in that: a liquid guide pipe (5) is installed at the center of the impermeable geomembrane (1), the inlet of the liquid guide pipe (5) is positioned below the liquid level of the biogas slurry, and the other end of the liquid guide pipe (5) is connected with a biogas slurry storage pool.
5. The simple livestock and poultry manure anaerobic fermentation device according to claim 1, which is characterized in that: the seepage-proof geomembrane (1) is made of HDPE materials, and biogas slurry in the seepage-proof geomembrane (1) is mixed liquid of clarified liquid of a concentration tank and liquid of a solid-liquid separator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431885.1U CN211814063U (en) | 2019-12-27 | 2019-12-27 | Simple and easy dirty anaerobic fermentation device of beasts and birds excrement |
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| CN201922431885.1U CN211814063U (en) | 2019-12-27 | 2019-12-27 | Simple and easy dirty anaerobic fermentation device of beasts and birds excrement |
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| CN211814063U true CN211814063U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507586A (en) * | 2022-03-14 | 2022-05-17 | 嘉应学院 | Fermentation tank |
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2019
- 2019-12-27 CN CN201922431885.1U patent/CN211814063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507586A (en) * | 2022-03-14 | 2022-05-17 | 嘉应学院 | Fermentation tank |
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