CN211620302U - Miniature biogas fermentation liquid treatment device - Google Patents

Miniature biogas fermentation liquid treatment device Download PDF

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Publication number
CN211620302U
CN211620302U CN202020144336.6U CN202020144336U CN211620302U CN 211620302 U CN211620302 U CN 211620302U CN 202020144336 U CN202020144336 U CN 202020144336U CN 211620302 U CN211620302 U CN 211620302U
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China
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contact oxidation
oxidation pond
pipeline
sedimentation tank
tank
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CN202020144336.6U
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李凯
周慧
王志康
兰彬彬
陶文亮
周颖悟
王琬
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Guizhou Minzu University
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Guizhou Minzu University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The utility model discloses a miniature marsh gas zymotic fluid processing apparatus, which comprises a housin, the equalizing basin has set gradually side by side in the casing, one-level contact oxidation pond, second grade contact oxidation pond and sedimentation tank, equalizing basin and one-level contact oxidation pond intercommunication, one-level contact oxidation pond and second grade contact oxidation pond intercommunication, second grade contact oxidation pond and sedimentation tank intercommunication, be equipped with the fermentation waste water inlet tube on the lateral wall at the top of equalizing basin, be equipped with in one-level contact oxidation pond and the second grade contact oxidation pond and be used for the biological adnexed combination filler, the upper portion of the lateral wall of sedimentation tank is equipped with the overflow mouth, the bottom of the lateral wall of keeping away from second grade contact oxidation pond of sedimentation tank is equipped with row mud pipeline, be equipped with out the mud board in the bottom of sedimentation tank, row. The utility model has the advantages that: greatly improves the removal effect of pollutants in the fermentation liquor, and has the advantages of low operation energy consumption, low cost, strong impact load resistance and convenient maintenance.

Description

Miniature biogas fermentation liquid treatment device
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a miniature biogas fermentation liquor treatment device.
Background
In recent years, the discharge amount of rural domestic sewage shows the trend of high pollutant concentration and increased discharge amount along with the improvement of the living conditions of residents, the treatment of solid such as kitchen waste, human and animal excrement and the like is difficult, the kitchen waste and the mixed domestic sewage are fermented together, the cost of transportation, pipelines, labor and the like can be greatly saved, and simultaneously, the biogas is generated, and the energy is saved. The wastewater after biogas fermentation has high concentration of pollutants and complex components, and can be discharged into the environment after treatment, and in numerous fermentation wastewater treatment devices, the small-scale sewage treatment device has stable operation, low energy consumption, simple operation and low operation cost, and has important application value in rural human settlements environment improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a miniature marsh gas zymotic fluid processing apparatus is provided, the effect of getting rid of pollutant in the zymotic fluid is greatly improved, and the operation energy consumption is low, and is with low costs, and shock load capacity is strong, the maintenance of being convenient for.
The utility model provides an above-mentioned technical problem's technical scheme as follows: comprises a shell, wherein an adjusting tank, a first-stage contact oxidation tank, a second-stage contact oxidation tank and a sedimentation tank are sequentially arranged in the shell side by side, the adjusting tank is communicated with the first-stage contact oxidation tank, the first-stage contact oxidation tank is communicated with the second-stage contact oxidation tank, the second-stage contact oxidation tank is communicated with the sedimentation tank, a fermentation wastewater inlet pipe is arranged on the side wall of the top of the adjusting tank, combined fillers for biological attachment are arranged in the first-stage contact oxidation tank and the second-stage contact oxidation tank, an overflow port is arranged on the upper portion of the side wall of the sedimentation tank, a sludge discharge pipeline is arranged at the bottom of the sedimentation tank, which is far away from the side wall of the second-stage contact oxidation tank, a sludge discharge plate is arranged in the bottom of the sedimentation tank, the sludge discharge pipeline is arranged above the sludge discharge plate, a reserved pipe communicated with the inside of the adjusting tank is arranged on the, and a valve is arranged at one end of the reserved pipe extending out of the regulating tank.
The utility model has the advantages that: greatly improves the removal effect of pollutants in the fermentation liquor, and has the advantages of low operation energy consumption, low cost, strong impact load resistance and convenient maintenance.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the equalizing basin with the first order contact oxidation pond passes through first pipeline intercommunication, the first order contact oxidation pond with the second order contact oxidation pond passes through the second pipeline intercommunication, the second order contact oxidation pond with the sedimentation tank passes through the third pipeline intercommunication, be equipped with the one end of fourth pipeline in the sedimentation tank, the other end of fourth pipeline passes behind the lateral wall of sedimentation tank with the overflow mouth intercommunication.
The beneficial effects of adopting above-mentioned further scheme are that be convenient for maintain, convenient operation.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the first pipeline is arranged below the fermentation wastewater inlet pipe, and the installation positions of the fermentation wastewater inlet pipe, the second pipeline, the third pipeline and the fourth pipeline are gradually reduced in vertical height.
The beneficial effect of adopting above-mentioned further scheme is that the difference in height of utilizing the water level need not power pump, and the energy consumption is low, and is with low costs.
The further scheme has the beneficial effect of intercepting solid matters in the biogas fermentation liquor.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, be equipped with the inlet tube in the equalizing basin, the one end of inlet tube pass behind the lateral wall of equalizing basin with fermentation waste water inlet tube intercommunication.
The beneficial effects of adopting the above-mentioned further scheme are that be convenient for maintain, dismantle and assemble conveniently, can establish on the ground or bury in the underground.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the one end that first pipeline is close to the equalizing basin is equipped with first grid, the inlet tube is close to the one end of fermentation waste water inlet tube is equipped with the second grid.
On the basis of the above scheme, the utility model discloses can also do following improvement.
Further, an aeration machine case is installed on the top of the primary contact oxidation tank, an aerator is arranged in the aeration machine case, a plurality of anti-blocking aeration heads are arranged in the bottoms of the primary contact oxidation tank and the secondary contact oxidation tank, the output end of the aerator is communicated with one end of an aeration pipe, and the other end of the aeration pipe is communicated with the plurality of aeration heads.
The beneficial effect of adopting the further scheme is to oxygenate the microorganism on the mixed filler.
On the basis of the above scheme, the utility model discloses can also do following improvement.
Further, the equalizing basin, the one-level contact oxidation pond, the second grade contact oxidation pond with all be equipped with a manhole on the top of sedimentation tank, manhole department is equipped with the closing cap the spiral cover plate of manhole.
The beneficial effect of adopting above-mentioned further scheme is that the people of being convenient for get into, maintain.
On the basis of the above scheme, the utility model discloses can also do following improvement.
Further, a heating rod is arranged in the secondary contact oxidation tank.
The beneficial effect of adopting the further scheme is that under the low temperature condition, the water temperature can be adjusted, so that the activity of organisms is kept, and the removal efficiency of pollutants in the fermentation liquid is improved.
On the basis of the above scheme, the utility model discloses can also do following improvement.
And further, oil separation plates are arranged on the side walls of the first-stage contact oxidation tank and the second-stage contact oxidation tank.
The further scheme has the beneficial effect that the floatable oil in the wastewater is separated and removed by adopting a natural upward floating method by virtue of the specific gravity difference of oil and water.
On the basis of the above scheme, the utility model discloses can also do following improvement.
Furthermore, the sludge discharge plate is obliquely and downwards arranged from one side close to the secondary contact oxidation pond to one side far away from the secondary contact oxidation pond, and the sludge discharge pipeline is correspondingly communicated with the upper part of one side of the sludge discharge plate, which is positioned at the lower horizontal end.
The beneficial effects of adopting above-mentioned further scheme are that be convenient for go out mud, convenient operation.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
fig. 2 is a top view of the present invention;
in the figure: 1. a housing; 2. a regulating tank; 3. a primary contact oxidation tank; 4. a secondary contact oxidation pond; 5. a sedimentation tank; 6. a valve; 7. reserving a pipe; 8. a spiral cover plate; 9. a manhole; 10. a water inlet pipe; 11. a fourth conduit; 12. an aeration head; 13. an aerator; 14. an aeration pipe; 15. a first conduit; 16. an oil removal plate; 17. an overflow port; 18. a first grid; 19. a mud discharging plate; 20. a sludge discharge pipeline; 21. an aeration head; 22. combining fillers; 23. a second grid; 24. a fermentation wastewater inlet pipe; 25. heating plates; 26. a second conduit; 27. a third conduit.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the box or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or circuit connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-2, in this embodiment, a micro biogas fermentation liquid treatment apparatus includes a housing 1, a regulating reservoir 2, a first-stage contact oxidation pond 3, a second-stage contact oxidation pond 4 and a sedimentation tank 5 are sequentially arranged in the housing 1 side by side, the regulating reservoir 2 is communicated with the first-stage contact oxidation pond 3 through a first pipeline 15, the first-stage contact oxidation pond 3 is communicated with the second-stage contact oxidation pond 4 through a second pipeline 26, the second-stage contact oxidation pond 4 is communicated with the sedimentation tank 5 through a third pipeline 27, an end of a fourth pipeline 11 is arranged in the sedimentation tank 5, and the other end of the fourth pipeline 11 is communicated with an overflow port 17 after passing through a side wall of the sedimentation tank 5. The first pipe 15 is provided below the fermentation wastewater inlet pipe 24, and the installation positions of the fermentation wastewater inlet pipe 24, the second pipe 26, the third pipe 27, and the fourth pipe 11 are gradually reduced in vertical height. The scale of the biogas fermentation liquid treatment is 1.0-9.8 (m 3/d). The whole treatment device adopts the height difference as power, does not need a lifting pump in the whole process and only depends on the self-flowing water inlet and outlet.
Be equipped with fermentation waste water inlet tube 24 on the lateral wall at the top of equalizing basin 2, be equipped with in first order contact oxidation pond 3 and the second grade contact oxidation pond 4 and be used for the adnexed combined filler 22 of biology, combined filler 22's installation interval is 100 ~ 200mm 150 ~ 200mm 100 ~ 150mm, install aeration machine case 12 on the top of first order contact oxidation pond 3, be equipped with aeration machine 13 in the aeration machine case 12, be equipped with a plurality of aeration heads 21 in first order contact oxidation pond 3 and the second grade contact oxidation pond 4 bottom, the interval is 30 ~ 100mm 100 ~ 200mm (length is multiplied by width), the output of aeration machine 13 and the one end intercommunication of aeration pipe 14, the other end and the intercommunication of a plurality of aeration heads 21 of aeration pipe 14. The combined filler 22 is used as a carrier of the microorganism and is oxygenated by the aerator 13, so that the fermentation of the microorganism is facilitated, and the efficiency is improved. The side wall of the secondary contact oxidation tank 4 is provided with a heating rod 25 which can improve the proper temperature for the microorganism and is convenient for fermentation. And oil separation plates 16 are arranged on the side walls of the first-stage contact oxidation pond 3 and the second-stage contact oxidation pond 4. The oil baffle plate 16 is 50mm from the water outlet surface of the first-stage contact oxidation pond 3 and the second-stage contact oxidation pond 4, the surface of the oil baffle plate 16 is perpendicular to the water outlet surface and is respectively connected with the side walls of the two ends of the first-stage contact oxidation pond 3 and the second-stage contact oxidation pond 4, the upper end of the oil baffle plate 16 is 50mm higher than the upper end of the water outlet and 100mm lower than the lower end of the water outlet pipe, the specific volume of the first-stage contact oxidation pond 3 is 0.6-1.0 (m3/(t/d)), the specific volume of the second-stage contact oxidation pond 4 is 0.3-0.5 (m3/(t/d)), the height of the two-stage contact oxidation pond is 1500-1800mm, the HRT is 1-2 days, and the DO is controlled to be 1..
The upper portion of the lateral wall of sedimentation tank 5 is equipped with overflow mouth 17, and the bottom of the lateral wall of keeping away from second grade contact oxidation pond 4 of sedimentation tank 5 is equipped with row mud pipeline 20, is equipped with out mud board 19 in the bottom of sedimentation tank 5, and row mud pipeline 20 establishes in the top of going out mud board 19, and the upper portion of equalizing basin 2 is kept away from on the lateral wall of one-level contact oxidation pond 3 be equipped with the reservation pipe 7 of the inside intercommunication of equalizing basin 2, and the one end that reservation pipe 7 stretched out equalizing basin 2 is equipped with valve 6. The reserved pipe 7 is used for opening under the condition that the water quantity seriously exceeds the standard and discharging oil under the condition that the oil stain in the water inlet of the fermentation liquor is too heavy. The height of the center of the section of the reserved pipe 7 is the same as the height of the lower port line of the water outlet of the first-stage contact oxidation pond 3.
A water inlet pipe 10 is arranged in the adjusting tank 2, and one end of the water inlet pipe 10 is communicated with a fermentation wastewater inlet pipe 24 after penetrating through the side wall of the adjusting tank 2. One end of the first pipeline 15 close to the adjusting tank 2 is provided with a first grating 18, and one end of the water inlet pipe 10 close to the fermentation wastewater inlet pipe 24 is provided with a second grating 23. The diameter of the water inlet pipe 10 in the adjusting tank 2 is 50mm or 63mm, the opening of the water inlet pipe 10 is provided with a second grating 23, solid matters in biogas fermentation liquor are intercepted, a reserved pipe 7 with the aperture of 50mm is arranged at the position of 100mm on the top end of the adjusting tank 2, untreated oil stains can be discharged regularly through the reserved pipe 7, the distance from the position of 300-500 mm at the bottom of the adjusting tank 2 is provided with a first pipeline 15, the diameter of the first pipeline is 110mm, and a first grating 18 is arranged in the first pipeline 15.
All be equipped with a manhole 9 on the top of equalizing basin 2, one-level contact oxidation pond 3, second grade contact oxidation pond 4 and sedimentation tank 5, manhole 9 department is equipped with the spiral cover plate 8 of closing cap manhole 9. Is convenient for people to enter and exit, maintain and detect the equipment.
The sludge discharge plate 19 is obliquely and downwards arranged from one side close to the secondary contact oxidation pond 4 to one side far away from the secondary contact oxidation pond 4, and the sludge discharge pipeline 20 is correspondingly communicated with the upper part of one side of the sludge discharge plate 19 at the lower end of the horizontal direction. The inclination of the mud discharging plate 19 is 6-8 degrees, the aperture of the mud discharging pipe 20 is 110mm or 200mm, the specific volume of the sedimentation tank 5 is 0.7-1.0 m3/(t/d), and the height is 1500-1800 mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A miniature biogas fermentation liquid processing apparatus is characterized in that: comprises a shell (1), a regulating reservoir (2), a first-level contact oxidation pond (3), a second-level contact oxidation pond (4) and a sedimentation tank (5) are sequentially arranged in the shell (1) side by side, the regulating reservoir (2) is communicated with the first-level contact oxidation pond (3), the first-level contact oxidation pond (3) is communicated with the second-level contact oxidation pond (4), the second-level contact oxidation pond (4) is communicated with the sedimentation tank (5), a fermentation wastewater inlet pipe (24) is arranged on the side wall of the top of the regulating reservoir (2), a combined filler (22) for biological attachment is arranged in the first-level contact oxidation pond (3) and the second-level contact oxidation pond (4), an overflow port (17) is arranged on the upper part of the side wall of the sedimentation tank (5), a sludge discharge pipeline (20) is arranged at the bottom of the side wall of the second-level contact oxidation pond (4) far away from the sedimentation tank (5), be equipped with in the bottom of sedimentation tank (5) and go out mud board (19), arrange mud pipe way (20) and establish the top of going out mud board (19), keep away from on the upper portion of equalizing basin (2) be equipped with on the lateral wall of one-level contact oxidation pond (3) with reserve pipe (7) of equalizing basin (2) inside intercommunication, reserve pipe (7) and stretch out the one end of equalizing basin (2) is equipped with valve (6).
2. The micro biogas fermentation broth processing device according to claim 1, wherein: equalizing basin (2) with one-level contact oxidation pond (3) are through first pipeline (15) intercommunication, one-level contact oxidation pond (3) with second grade contact oxidation pond (4) are through second pipeline (26) intercommunication, second grade contact oxidation pond (4) with sedimentation tank (5) are through third pipeline (27) intercommunication, be equipped with the one end of fourth pipeline (11) in sedimentation tank (5), the other end of fourth pipeline (11) passes behind the lateral wall of sedimentation tank (5) with overflow mouth (17) intercommunication.
3. The micro biogas fermentation broth processing device according to claim 2, wherein: the first pipeline (15) is arranged below the fermentation wastewater inlet pipe (24), and the installation positions of the fermentation wastewater inlet pipe (24), the second pipeline (26), the third pipeline (27) and the fourth pipeline (11) are gradually reduced in vertical height.
4. A micro biogas fermentation broth processing device according to claim 3, characterized in that: be equipped with inlet tube (10) in equalizing basin (2), the one end of inlet tube (10) pass behind the lateral wall of equalizing basin (2) with fermentation waste water inlet tube (24) intercommunication.
5. The micro biogas fermentation broth processing device according to claim 4, wherein: first pipeline (15) are close to the one end of equalizing basin (2) is equipped with first grid (18), inlet tube (10) are close to the one end of fermentation waste water inlet tube (24) is equipped with second grid (23).
6. The micro biogas fermentation broth processing device according to claim 1, wherein: the top of the first-stage contact oxidation tank (3) is provided with an aeration machine case (12), an aeration machine (13) is arranged in the aeration machine case (12), the first-stage contact oxidation tank (3) and the bottom of the second-stage contact oxidation tank (4) are internally provided with a plurality of anti-clogging aeration heads (21), the output end of the aeration machine (13) is communicated with one end of an aeration pipe (14), and the other end of the aeration pipe (14) is communicated with the plurality of aeration heads (21).
7. The micro biogas fermentation broth processing device according to any one of claims 1-6, wherein: the adjusting tank (2), the primary contact oxidation tank (3), the secondary contact oxidation tank (4) and all be equipped with a manhole (9) on the top of sedimentation tank (5), manhole (9) department is equipped with the closing cap spiral cover board (8) of manhole (9).
8. The micro biogas fermentation broth processing device according to any one of claims 1-6, wherein: and a heating rod (25) is arranged in the secondary contact oxidation tank (4).
9. The micro biogas fermentation broth processing device according to any one of claims 1-6, wherein: and oil separation plates (16) are arranged on the side walls of the primary contact oxidation tank (3) and the secondary contact oxidation tank (4).
10. The micro biogas fermentation broth processing device according to any one of claims 1-6, wherein: the sludge discharging plate (19) is obliquely and downwards arranged from one side close to the secondary contact oxidation pond (4) to one side far away from the secondary contact oxidation pond (4), and the sludge discharging pipeline (20) is correspondingly communicated with the upper part of one side, located at the lower horizontal end, of the sludge discharging plate (19).
CN202020144336.6U 2020-01-21 2020-01-21 Miniature biogas fermentation liquid treatment device Active CN211620302U (en)

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CN202020144336.6U CN211620302U (en) 2020-01-21 2020-01-21 Miniature biogas fermentation liquid treatment device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111153562A (en) * 2020-01-21 2020-05-15 贵州民族大学 Miniature biogas fermentation liquid treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111153562A (en) * 2020-01-21 2020-05-15 贵州民族大学 Miniature biogas fermentation liquid treatment device

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