CN214167713U - Livestock wastewater treatment device - Google Patents

Livestock wastewater treatment device Download PDF

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Publication number
CN214167713U
CN214167713U CN202023184235.0U CN202023184235U CN214167713U CN 214167713 U CN214167713 U CN 214167713U CN 202023184235 U CN202023184235 U CN 202023184235U CN 214167713 U CN214167713 U CN 214167713U
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China
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tank
wastewater treatment
aeration
filter
methane
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CN202023184235.0U
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王勋龙
黄成慧
王习品
任桔祥
宋苗
宋爽
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Qingdao Haijian Energy Saving And Environmental Protection Co ltd
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Qingdao Haijian Energy Saving And Environmental Protection Co ltd
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Abstract

The utility model relates to the technical field of wastewater treatment equipment, in particular to a livestock wastewater treatment device, which comprises a liquid dung collecting tank, wherein one end of the liquid dung collecting tank is connected with a material pumping pump, one end of the material pumping pump is connected with a dry-wet separator, one end of the dry-wet separator is connected with a methane tank, the top end of the methane tank is connected with a gas recovery mechanism, one end of the methane tank is provided with a facultative tank, one end of the facultative tank is connected with an MBBR reaction tank, one end of the MBBR reaction tank is connected with a first sedimentation tank, one end of the sedimentation tank is connected with an aeration biological filter, one end of the aeration biological filter is connected with a FENTON oxidation tank, one end of the FENTON oxidation tank is connected with a reaction tank, the bottom end of the reaction tank is provided with a second sedimentation tank, one end of the reaction tank is connected with a sand filter, one end of the sand filter is connected with a disinfection tank, and the device carries out wastewater treatment through the arranged wastewater treatment device based on the MBBR technology, the treatment efficiency is high, so that the equipment is more efficient in use.

Description

Livestock wastewater treatment device
Technical Field
The utility model relates to a waste water treatment equipment technical field specifically is a livestock wastewater treatment device.
Background
Along with the continuous development of the breeding industry of China, the environmental pollution problem of livestock farms is more and more prominent, how to strengthen the livestock farms, especially, the fecal pollution treatment problem of large-scale livestock farms is the key point that the relevant department such as environmental protection is needed to be solved urgently, in the daily livestock breeding process, livestock manure is washed by the livestock farms, a certain amount of sewage can be produced by a food trough and the like, the organic pollution of the sewage is higher, and the sewage contains higher substances such as nitrogen and phosphorus and pathogenic microorganisms, if the livestock manure is directly discharged into the environment, the livestock manure can greatly influence the surrounding environment, the livestock manure is discharged along with the emergence of a series of national policies, although the livestock farm environmental pollution prevention and treatment work obtains certain progress, the fecal pollution treatment still falls behind, the fecal pollution treatment level is improved, and the simplification later-stage operation maintenance becomes a key point.
Although various types of wastewater treatment equipment are available on the market at present, most of the wastewater treatment equipment is only changed in form, and the functions of the wastewater treatment equipment are not changed greatly; the MBR process has high investment, the membrane module needs to be replaced regularly, the energy consumption is high, and the operating cost is high; the later stage of the contact oxidation method is easy to block, collapse and have complicated operation and maintenance, so that a livestock wastewater treatment device is needed to change the current situation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a livestock wastewater treatment device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a livestock wastewater treatment device comprises a liquid dung collecting tank, one end of the liquid dung collecting tank is connected with a material pumping pump, one end of the material pumping pump is connected with a dry-wet separator, one end of the dry-wet separator is connected with the methane tank, the top end of the methane tank is connected with a gas recovery mechanism, one end of the methane tank is provided with a facultative tank, one end of the facultative tank is connected with an MBBR reaction tank, one end of the MBBR reaction tank is connected with a first sedimentation tank, one end of the sedimentation tank is connected with a biological aerated filter, one end of the biological aerated filter and one end of the MBBR reaction tank are both connected with an aeration mechanism, one end of the biological aerated filter is connected with a FENTON oxidation tank, one end of the FENTON oxidation pond is connected with a reaction pond, the bottom end of the reaction pond is provided with a sedimentation pond II, one end of the reaction tank is connected with a sand filter, one end of the sand filter is connected with a disinfection tank, and one end of the disinfection tank is connected with a water outlet.
Preferably, the MBBR reaction tank and the biological aerated filter are both connected with an aeration mechanism, and aeration operation is carried out through the aeration mechanism, wherein the aeration mechanism specifically comprises an aeration fan and an aerator.
Preferably, the gas recovery mechanism is used for recovering part of methane and carbon dioxide gas generated in the biogas digester.
Preferably, a plurality of groups of carriers are arranged at the inner end of the MBBR reaction tank, different biological species are arranged inside and outside each carrier, anaerobic bacteria or facultative bacteria are arranged inside each carrier, and aerobic bacteria are arranged outside each carrier.
Preferably, the inner end of the biological aerated filter is provided with a biological filter material, and various microorganisms are attached to the biological filter material.
Preferably, the interior of the disinfection tank is subjected to chlorination disinfection treatment.
Preferably, a coagulant drug is added in the reaction tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the waste water treatment device who sets up, it is concrete, the waste water that the livestock-raising produced is collected the back through the liquid dung collecting pit, carry to wet separator futilely and realize wet separation futilely, the excrement sediment that produces handles as the fertilizer, the parting fluid is carried to the methane-generating pit, in the methane-generating pit, part organic substance is under certain moisture, temperature and anaerobic condition, through the catabolism of various microorganisms, finally form methane and carbon dioxide, this part gas can be collected the retrieval and utilization, remaining natural pond liquid gets into the facultative tank and is further decomposed, it gets into the MBBR reaction tank to go out water, under the aeration, the suspension filler in the aquatic is the complete mixing state with water, all there are different biological species inside and outside every carrier, inside is anaerobism or facultative bacteria, outside is aerobic bacteria, nitration and denitrification reaction exist simultaneously, the ammonia nitrogen in the aquatic, materials such as organic matter are got rid of, the supernatant enters the biological aerated filter after the effluent enters the sedimentation tank for sedimentation, the specific surface area of the filter material of the biological aerated filter is large, the biological aerated filter is suitable for the growth of microorganisms, suspended substances in water are intercepted by the filter material, organic matters are further decomposed and removed by the microorganisms attached to the filter material, the effluent enters the FENTON oxidation pond, the residual organic matters are oxidized and decomposed into micromolecular organic matters, the effluent enters the reaction pond, the large-particle substances are generated by combining impurities such as the organic matters and the suspended particles with the coagulant by adding the coagulant and then are settled and removed in the sedimentation tank II, the effluent enters the sand filter pond to filter the suspended particles and the impurities in the water, the effluent enters the disinfection pond, the effluent reaches the standard after being disinfected by chlorine dioxide and is reused for flushing toilets, greening and flushing the ground of culture areas, and the like, compared with the existing wastewater treatment device, the device can thoroughly purify the livestock wastewater to achieve the zero discharge of the wastewater, the integrated treatment has high treatment efficiency, so that the equipment is more efficient in use.
2. In the utility model, through the arranged MBBR reaction tank, because the device carries out wastewater treatment based on the MBBR process, synchronous nitrification and denitrification can be realized in the purification process, and the denitrification capability is strong; the specific surface area is large, and the organic matter removal capacity is strong; the membrane is easy to be formed, the biological activity of the membrane is high, and the membrane is not blocked; the organic load is high, the impact load is resistant, and the operation management is simple; the microbial sludge on the filler is old and has less residual sludge; the cutting effect of filler fluidization improves the oxygen transfer efficiency and saves energy consumption; throw in a flexible way and throw, free motion in the pond, no dead angle, mass transfer efficiency is high, compares in modes such as current activated sludge method, MBR method and contact oxidation method, and this device practicality is stronger, can extensively promote for convenience more when equipment uses.
Drawings
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic view of the apparatus flow process of the present invention;
in the figure: 1. a liquid dung collecting tank; 2. a material pumping pump; 3. a dry-wet separator; 4. a biogas generating pit; 5. a gas recovery mechanism; 6. a facultative tank; 7. an MBBR reaction tank; 8. a first sedimentation tank; 9. an aeration biological filter; 10. an aeration mechanism; 11. a FENTON oxidation pond; 12. a reaction tank; 13. a second sedimentation tank; 14. a sand filter; 15. a disinfection tank; 16. and a water outlet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Please refer to fig. 1-2, the present invention provides a technical solution:
a livestock wastewater treatment device comprises a liquid dung collection pool 1, wherein one end of the liquid dung collection pool 1 is connected with a material pumping pump 2, one end of the material pumping pump 2 is connected with a dry-wet separator 3, one end of the dry-wet separator 3 is connected with a methane tank 4, the top end of the methane tank 4 is connected with a gas recovery mechanism 5, one end of the methane tank 4 is provided with a facultative tank 6, one end of the facultative tank 6 is connected with an MBBR reaction tank 7, and through the arranged MBBR reaction tank 7, the device can realize synchronous nitrification and denitrification in the purification process due to the fact that wastewater treatment is carried out based on an MBBR process, and the denitrification capability is strong; the specific surface area is large, and the organic matter removal capacity is strong; the membrane is easy to be formed, the biological activity of the membrane is high, and the membrane is not blocked; the organic load is high, the impact load is resistant, and the operation management is simple; the microbial sludge on the filler is old and has less residual sludge; the cutting effect of filler fluidization improves the oxygen transfer efficiency and saves energy consumption; the device has the advantages of flexible feeding, free movement in the pool, no dead angle and high mass transfer efficiency, compared with the prior modes of an activated sludge method, an MBR method, a contact oxidation method and the like, the device has stronger practicability and can be widely popularized, so that the device is more convenient to use, one end of the MBBR reaction pool 7 is connected with a first sedimentation pool 8, one end of the first sedimentation pool 8 is connected with a biological aerated filter 9, one ends of the biological aerated filter 9 and the MBBR reaction pool 7 are both connected with an aeration mechanism 10, one end of the biological aerated filter 9 is connected with a FENTON oxidation pool 11, one end of the FENTON oxidation pool 11 is connected with a reaction pool 12, the bottom end of the reaction pool 12 is provided with a second sedimentation pool 13, one end of the reaction pool 12 is connected with a sand filter pool 14, one end of the sand filter pool 14 is connected with a disinfection pool 15, one end of the disinfection pool 15 is connected with a water outlet 16, and particularly, after waste water generated by livestock breeding is collected by a liquid manure collection pool 1, conveying the organic matters to a dry-wet separator 3 to realize dry-wet separation, treating the generated excrement slag as organic fertilizer, conveying the separation liquid to a methane tank 4, wherein in the methane tank 4, partial organic matters are decomposed and metabolized by various microorganisms under certain moisture, temperature and anaerobic conditions to finally form methane and carbon dioxide, the partial gas can be collected and recycled, the residual methane liquid enters a facultative tank 6 to be further decomposed, the effluent enters an MBBR reaction tank 7, under the action of aeration, suspended fillers in water and water are in a completely mixed state, different biological species exist inside and outside each carrier, anaerobic bacteria or facultative bacteria exist inside each carrier, aerobic bacteria exist outside each carrier, nitrification and denitrification reactions exist simultaneously, substances such as ammonia nitrogen, organic matters and the like in the water are removed, supernatant enters a biological aerated filter 9 after the effluent enters a sedimentation tank 8 to be precipitated, the biological aerated filter 9 has a large specific surface area, the device is suitable for microbial growth, suspended substances in water are intercepted by a filter material, organic matters are further decomposed and removed by the microbes attached to the filter material, effluent enters an FENTON oxidation pond 11, residual organic matters are oxidized and decomposed into micromolecular organic matters, the effluent enters a reaction pond 12, impurities such as the organic matters and the suspended particles are combined with a coagulant to generate large-particle matters through adding the coagulant and then are settled and removed in a sedimentation pond II 13, the effluent enters a sand filter 14 to filter the suspended particles and the impurities in the water, the effluent enters a disinfection pond 15 and reaches the standard after being disinfected by chlorine dioxide and is reused for flushing toilets, greening and flushing the ground of a breeding area, compared with the existing wastewater treatment device, the device can thoroughly purify livestock wastewater, achieves the degree of zero discharge of the wastewater, is integrally treated, has high treatment efficiency, and is more efficient when the device is used, has certain popularization value.
The utility model discloses work flow: when in use, the waste water generated by livestock breeding is collected by the liquid dung collecting tank 1 and then is conveyed to the dry-wet separator 3 to realize dry-wet separation, the generated liquid dung is treated as organic fertilizer, the separation liquid is conveyed to the methane tank 4, in the methane tank 4, partial organic substances are decomposed and metabolized by various microorganisms under certain moisture, temperature and anaerobic conditions to finally form methane and carbon dioxide, the partial gas can be collected and reused, the residual methane liquid enters the facultative tank 6 to be further decomposed, the effluent enters the MBBR reaction tank 7, under the action of aeration, the suspended filler in the water and the water are in a completely mixed state, different biological species exist inside and outside each carrier, the anaerobic bacteria or facultative bacteria are arranged inside each carrier, the aerobic bacteria are arranged outside each carrier, nitrification and denitrification reactions exist simultaneously, substances such as ammonia nitrogen, organic matters and the like in the water are removed, the effluent enters the sedimentation tank I8 to precipitate, and then the supernatant enters the aeration biological filter 9, the specific surface area of the filter material of the biological aerated filter 9 is large, the biological aerated filter is suitable for microorganism growth, suspended substances in water are intercepted by the filter material, organic matters are further decomposed and removed by microorganisms attached to the filter material, effluent enters the FENTON oxidation pond 11, the rest organic matters are oxidized and decomposed into micromolecular organic matters, the effluent enters the reaction pond 12, large-particle substances are generated by combining impurities such as the organic matters, the suspended particles and the like with the coagulant through adding the coagulant, the large-particle substances are settled and removed in the sedimentation pond II 13, the effluent enters the sand filter 14, the suspended particles and the impurities in the water are filtered, the effluent enters the disinfection pond 15, the effluent reaches the standard after being disinfected by chlorine dioxide, and the effluent is reused for flushing toilets, greening, flushing culture ground and the like, and has certain popularization value.
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 (7)

1. The utility model provides a livestock wastewater treatment device, includes liquid manure collecting pit (1), its characterized in that: the excrement water collecting tank (1) one end is connected with a pumping pump (2), one end of the pumping pump (2) is connected with a dry-wet separator (3), one end of the dry-wet separator (3) is connected with a methane tank (4), the top end of the methane tank (4) is connected with a gas recovery mechanism (5), one end of the methane tank (4) is provided with a facultative tank (6), one end of the facultative tank (6) is connected with an MBBR reaction tank (7), one end of the MBBR reaction tank (7) is connected with a sedimentation tank I (8), one end of the sedimentation tank I (8) is connected with an aeration biological filter (9), one ends of the aeration biological filter (9) and the MBBR reaction tank (7) are both connected with an aeration mechanism (10), one end of the aeration biological filter (9) is connected with an FENTON oxidation tank (11), one end of the FENTON oxidation tank (11) is connected with a reaction tank (12), the bottom of the reaction tank (12) is provided with a sedimentation tank II (13), one end of the reaction tank (12) is connected with a sand filter (14), one end of the sand filter (14) is connected with a disinfection tank (15), and one end of the disinfection tank (15) is connected with a water outlet (16).
2. The livestock wastewater treatment device of claim 1, wherein: the MBBR reaction tank (7) and the biological aerated filter (9) are both connected with an aeration mechanism (10) and carry out aeration operation through the aeration mechanism (10), and the aeration mechanism (10) is specifically an aeration fan and an aerator.
3. The livestock wastewater treatment device of claim 1, wherein: the gas recovery mechanism (5) is used for recovering part of methane and carbon dioxide gas generated in the methane tank (4).
4. The livestock wastewater treatment device of claim 1, wherein: the inner end of the MBBR reaction tank (7) is provided with a plurality of groups of carriers, each carrier is internally and externally provided with different biological species, anaerobic bacteria or facultative bacteria are arranged inside the carrier, and aerobic bacteria are arranged outside the carrier.
5. The livestock wastewater treatment device of claim 1, wherein: the inner end of the biological aerated filter (9) is provided with a biological filter material, and a plurality of microorganisms are attached to the interior of the biological filter material.
6. The livestock wastewater treatment device of claim 1, wherein: the interior of the disinfection tank (15) is disinfected by adding chlorine.
7. The livestock wastewater treatment device of claim 1, wherein: coagulant drugs are added into the reaction tank (12).
CN202023184235.0U 2020-12-25 2020-12-25 Livestock wastewater treatment device Active CN214167713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023184235.0U CN214167713U (en) 2020-12-25 2020-12-25 Livestock wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023184235.0U CN214167713U (en) 2020-12-25 2020-12-25 Livestock wastewater treatment device

Publications (1)

Publication Number Publication Date
CN214167713U true CN214167713U (en) 2021-09-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023184235.0U Active CN214167713U (en) 2020-12-25 2020-12-25 Livestock wastewater treatment device

Country Status (1)

Country Link
CN (1) CN214167713U (en)

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