CN210313923U - Energy-efficient breed effluent disposal system - Google Patents
Energy-efficient breed effluent disposal system Download PDFInfo
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- CN210313923U CN210313923U CN201921132801.8U CN201921132801U CN210313923U CN 210313923 U CN210313923 U CN 210313923U CN 201921132801 U CN201921132801 U CN 201921132801U CN 210313923 U CN210313923 U CN 210313923U
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Abstract
The utility model discloses an efficient energy-saving aquaculture wastewater treatment system, which relates to the technical field of aquaculture wastewater, and comprises an adjusting tank, a distribution well, a UASB anaerobic reactor, an A/O activated sludge tank, a secondary sedimentation tank and a clean water tank which are sequentially connected through a wastewater pipeline, wherein a submersible mixer is arranged in the adjusting tank, and the distribution well is arranged at one side of the adjusting tank and is used for heating the effluent of the adjusting tank; two sink the pond draft tube that is equipped with in the pond and is connected with waste water pipeline, two one side of sinking the pond is equipped with the clean water basin, and the clean water basin passes through waste water pipeline and waste water discharge to reach standard or irrigation system is connected, the beneficial effects of the utility model are that: the purpose of degrading high-concentration organic matters and removing high ammonia nitrogen is achieved, resource recycling is achieved, the treated wastewater is used for farmland irrigation, the filtered scum is used for crop fertilizers, and the byproduct biogas of anaerobic reaction can be used for power generation, so that the utilization rate of the sewage is improved, and environmental pollution is avoided.
Description
Technical Field
The utility model relates to a breed waste water treatment technical field specifically is a high-efficient energy-saving breed effluent disposal system.
Background
With the continuous improvement of living standard of people, the demand of cattle, sheep and pork and the like is also continuously increased, and the cattle, sheep and pig and the like gradually quit the family cultivation due to the improvement of rural living conditions and the mechanized development of agricultural production. The existing cattle, sheep and pig breeding is mainly a large-scale and specialized breeding farm.
Taking a pig farm as an example, the pig raising wastewater belongs to high-concentration organic wastewater, and the content of suspended matters and ammonia nitrogen is high. An anaerobic reaction structure with high organic matter removal rate and good treatment effect and an aerobic treatment structure with ammonia nitrogen removal function are needed. The prior art is not satisfactory.
Based on this, this application has proposed a high-efficient energy-conserving breed effluent disposal system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-efficient cultivation effluent disposal system 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:
an efficient energy-saving aquaculture wastewater treatment system comprises an adjusting tank, a distribution well, a UASB anaerobic reactor, an A/O activated sludge tank, a secondary sedimentation tank and a clean water tank which are sequentially connected through a wastewater pipeline, wherein a submersible mixer is installed in the adjusting tank, and the distribution well is arranged on one side of the adjusting tank and used for heating the outlet water of the adjusting tank; and a secondary sedimentation tank guide cylinder connected with a waste water pipeline is arranged in the secondary sedimentation tank, a clean water tank is arranged on one side of the secondary sedimentation tank, and the clean water tank is connected with a waste water standard discharge or irrigation system through the waste water pipeline.
As a further aspect of the present invention: and a steam pipeline is arranged in the water distribution well and is connected with a steam system.
As a further aspect of the present invention: the sewage treatment device further comprises a sludge thickening tank, the sludge thickening tank is connected with the A/O activated sludge tank through a slag material and sludge pipeline and a secondary sedimentation tank, and a sludge reflux pump is further installed on the slag material and sludge pipeline.
As a further aspect of the present invention: the sludge concentration tank is connected with the regulating tank through a waste water pipeline, the regulating tank is further connected with the solid-liquid separator through a waste water pipeline and a regulating tank lifting pump, a liquid phase outlet of the solid-liquid separator is connected with the regulating tank, and a solid phase outlet of the solid-liquid separator is connected with a slag recovery system through a slag and sludge pipeline.
As a further aspect of the present invention: install the three-phase separator in the UASB anaerobic reactor, the gaseous phase export of three-phase separator utilizes the system connection through marsh gas recovery pipeline, marsh gas water seal tank and centrifuge and marsh gas, and the bottom of UASB anaerobic reactor is equipped with water distribution system, and water distribution system's one end is passed through distribution well elevator pump and is connected with the waste water pipe who exports from the distribution well, and the other end passes through UASB anaerobic reactor backwash pump and is connected with UASB anaerobic reactor's upper portion.
As a further aspect of the present invention: install dive mixer and aeration dish in the AO active sludge pond, wherein the aeration dish passes through aeration pipe and is connected with the air-blower, the upper and lower portion in AO active sludge pond passes through waste water pipe and connects, installs the sewage backwash pump on this waste water pipe.
As a further aspect of the present invention: the sludge concentration tank is connected with the sludge dewatering machine through a slag material and sludge pipeline and a sludge screw pump, and the inlet of the sludge screw pump is also connected with the sludge flocculation agent tank through a dosing pipeline.
As a further aspect of the present invention: and a liquid phase outlet of the sludge dewatering machine is connected with the regulating tank through a waste water pipeline.
As a further aspect of the present invention: the device is characterized by further comprising a grid groove arranged at the water inlet end of the regulating tank, a mechanical grid is arranged in the grid groove, and the discharge end of the mechanical grid is connected with a slag recovery system through a slag and sludge pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: the purpose of degrading high-concentration organic matters and removing high ammonia nitrogen is achieved, resource recycling is achieved, the treated wastewater is used for farmland irrigation, the filtered scum is used for crop fertilizers, and the byproduct biogas of anaerobic reaction can be used for power generation, so that the utilization rate of the sewage is improved, and environmental pollution is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an efficient and energy-saving aquaculture wastewater treatment system.
In the figure: 1-mechanical grating, 2-adjusting tank, 3-distribution well, 4-UASB anaerobic reactor, 5-A/O activated sludge tank, 6-secondary sedimentation tank, 7-clear water tank, 8-sludge concentration tank, 9-sludge flocculating agent tank, 10-sludge dewatering machine, 11-sludge screw pump, 12-grating tank, 13-submersible mixer, 14-solid-liquid separator, 15-three-phase separator, 16-water distribution system, 17-blower, 18-secondary sedimentation tank draft tube, 19-distribution well lift pump, 20-UASB anaerobic reactor reflux pump, 21-sewage reflux pump, 22-sludge reflux pump, 23-adjusting tank lift pump, 24-centrifuge, 25-slag, 26-wastewater up-to-standard discharge or irrigation system, 27-a steam system, 28-aquaculture wastewater, 29-a slag recovery system, 30-a biogas utilization system, 31-a biogas water-sealed tank, 32-a wastewater pipeline, 33-a slag and sludge pipeline, 34-an aeration pipeline, 35-a dosing pipeline, 36-a biogas recovery pipeline and 37-a steam pipeline.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example 1
Referring to fig. 1, in an embodiment of the present invention, an energy-efficient cultivation wastewater treatment system includes an adjusting tank 2, a distribution well 3, a UASB anaerobic reactor 4, an a/O activated sludge tank 5, a secondary sedimentation tank 6 and a clean water tank 7 which are connected in sequence by a wastewater pipeline 32, wherein the adjusting tank 2 is used for adjusting water quantity and homogenizing water quality, a submersible mixer 13 is installed in the adjusting tank 2, the distribution well 3 is disposed at one side of the adjusting tank 2 and is used for heating and warming the effluent of the adjusting tank 2, so that the wastewater is kept at a temperature of 35 ± 3 ℃, good conditions are provided for the subsequent UASB anaerobic reactor 4, preferably, a steam pipeline 37 is disposed in the distribution well 3, the steam pipeline 37 is connected with a steam system 27, and obviously, the steam system 27 is used for conveying steam into the steam pipeline 37, so as to warm the wastewater; the UASB anaerobic reactor 4 is used for degrading organic matters in the wastewater to convert the organic matters into methane and water, thereby removing the pollution of the wastewater; the A/O activated sludge tank 5 is used for treating wastewater by utilizing the assimilation and dissimilation of aerobic microorganisms under aerobic conditions, so that pollutants such as organic matters, nitrogen, phosphorus and the like in the wastewater are more thoroughly removed, and the treated effluent is ensured to be discharged or recycled after reaching the standard; the secondary sedimentation tank 6 is used for separating and treating degraded pollutants in a sludge mode, a secondary sedimentation tank guide cylinder 18 connected with a waste water pipeline 32 is arranged in the secondary sedimentation tank 6, a clean water tank 7 is arranged on one side of the secondary sedimentation tank 6, supernatant of the secondary sedimentation tank 6 can overflow or be input into the clean water tank 7 through the waste water pipeline 32 for storage, the clean water tank 7 is connected with a waste water standard discharge or irrigation system 26 through the waste water pipeline 32, and direct discharge or use as irrigation water can be selected.
Specifically, the embodiment further discloses a sludge concentration tank 8, wherein the sludge concentration tank 8 is connected with the secondary sedimentation tank 6 and the a/O activated sludge tank 5 through a slag and sludge pipeline 33 and is used for collecting sludge in the device, and in addition, a sludge reflux pump 22 is further installed on the slag and sludge pipeline 33.
In addition, the present embodiment also treats wastewater generated during sludge concentration, and the sludge concentration tank 8 is connected to the adjusting tank 2 through a wastewater pipe 32. Specifically, the adjusting tank 2 is further connected with the solid-liquid separator 14 through a wastewater pipeline 32 and an adjusting tank lift pump 23, a liquid phase outlet of the solid-liquid separator 14 is connected with the adjusting tank 2, a solid phase outlet of the solid-liquid separator 14 is connected with a slag recovery system 29 through a slag and sludge pipeline 33, and the solid-liquid separator 14 removes suspended particles in wastewater through physical screening, centrifugal separation, gravity separation and other modes, so that the wastewater pollution load is reduced, the pressure of a subsequent biochemical treatment unit is reduced, and the investment and the operation cost are reduced on the premise of ensuring the treatment efficiency.
For the UASB anaerobic reactor 4, a three-phase separator 15 is installed in the UASB anaerobic reactor 4, a gas phase outlet of the three-phase separator 15 is connected with a biogas utilization system 30 through a biogas recovery pipeline 36, a biogas water seal tank 31 and a centrifuge 24, namely, methane generated in the UASB anaerobic reactor 4 is centrifugally desulfurized and then is sent to the biogas utilization system 30 for utilization, and simply, the biogas utilization system 30 can be regarded as equipment such as a storage tank and the like and can be used for power generation; the bottom of the UASB anaerobic reactor 4 is provided with a water distribution system 16, one end of the water distribution system 16 is connected with a waste water pipeline 32 output from the distribution well 3 through a distribution well lifting pump 19, and the other end is connected with the upper part of the UASB anaerobic reactor 4 through a UASB anaerobic reactor reflux pump 20 for realizing the reflux of waste water and realizing the full treatment of the waste water.
In the case of the A/O activated sludge tank 5, a submersible mixer 13 and an aeration tray are installed in the A/O activated sludge tank 5, wherein the aeration tray is connected to a blower 17 through an aeration pipe 34. Meanwhile, in order to improve the treatment efficiency of the A/O activated sludge tank 5, the upper part and the lower part of the A/O activated sludge tank 5 are connected through a waste water pipeline 32, and a sewage return pump 21 is installed on the waste water pipeline 32.
Example 2
Referring to fig. 1, in the embodiment of the present invention, in order to treat sludge, the sludge concentration tank 8 is connected to the sludge dewatering machine 10 through the slag and sludge pipeline 33 and the sludge screw pump 11, sludge is dehydrated into slag 25, and the inlet of the sludge screw pump 11 is connected to the sludge flocculating agent tank 9 through the chemical adding pipeline 35.
Preferably, the water generated during sludge dewatering is also treated in this embodiment, and the liquid phase outlet of the sludge dewatering machine 10 is connected to the adjusting tank 2 through a waste water pipe 32.
Example 3
Referring to fig. 1, in the embodiment of the present invention, an energy-efficient cultivation wastewater treatment system, because cultivation wastewater contains a large amount of large particles such as hair, residual feed, feces, and other impurities of animals, and this part of impurities may affect the normal operation of mechanical devices such as water pumps, valves, and pipelines of subsequent processing units, a grid groove 12 is further disclosed in this embodiment, a mechanical grid 1 is installed in the grid groove 12, and when the mechanical grid 1 works, the above impurities may be fished out to form a residue 25, and a discharge end of the mechanical grid 1 is connected with a residue recovery system 29 through a residue and sludge pipeline 33, and the grid groove 12 is disposed at a water inlet end of an adjusting tank 2, and wastewater processed by the mechanical grid 1 enters the adjusting tank 2.
It should be particularly noted that in the technical scheme, the purpose of degrading high-concentration organic matters and removing high ammonia nitrogen is achieved, the resource recycling is achieved, the treated wastewater is used for farmland irrigation, the filtered scum is used for crop fertilizers, and the byproduct biogas of the anaerobic reaction can be used for power generation, so that the utilization rate of the sewage is improved, and the environmental pollution is avoided.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
1. An efficient energy-saving aquaculture wastewater treatment system is characterized by comprising an adjusting tank (2), a water distribution well (3), a UASB anaerobic reactor (4), an A/O activated sludge tank (5), a secondary sedimentation tank (6) and a clean water tank (7) which are sequentially connected through a wastewater pipeline (32), wherein a submersible stirrer (13) is installed in the adjusting tank (2), and the water distribution well (3) is arranged on one side of the adjusting tank (2) and is used for heating the effluent of the adjusting tank (2); a secondary sedimentation tank guide cylinder (18) connected with a waste water pipeline (32) is arranged in the secondary sedimentation tank (6), a clean water tank (7) is arranged on one side of the secondary sedimentation tank (6), and the clean water tank (7) is connected with a waste water standard discharge or irrigation system (26) through the waste water pipeline (32).
2. An energy-efficient cultivation wastewater treatment system as claimed in claim 1, wherein a steam pipeline (37) is arranged in the distribution well (3), and the steam pipeline (37) is connected with the steam system (27).
3. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 1 or 2, characterized by further comprising a sludge concentration tank (8), wherein the sludge concentration tank (8) is connected with the secondary sedimentation tank (6) and the A/O activated sludge tank (5) through a slag and sludge pipeline (33), and a sludge reflux pump (22) is further mounted on the slag and sludge pipeline (33).
4. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 3, characterized in that the sludge concentration tank (8) is connected with the adjusting tank (2) through a wastewater pipeline (32), the adjusting tank (2) is further connected with the solid-liquid separator (14) through the wastewater pipeline (32) and an adjusting tank lift pump (23), a liquid phase outlet of the solid-liquid separator (14) is connected with the adjusting tank (2), and a solid phase outlet of the solid-liquid separator (14) is connected with the slag recovery system (29) through a slag and sludge pipeline (33).
5. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 1, wherein a three-phase separator (15) is installed in the UASB anaerobic reactor (4), a gas phase outlet of the three-phase separator (15) is connected with a biogas utilization system (30) through a biogas recovery pipeline (36), a biogas water seal tank (31) and a centrifuge (24), a water distribution system (16) is arranged at the bottom of the UASB anaerobic reactor (4), one end of the water distribution system (16) is connected with a wastewater pipeline (32) output from the water distribution well (3) through a water distribution well lift pump (19), and the other end is connected with the upper part of the UASB anaerobic reactor (4) through a UASB anaerobic reactor return pump (20).
6. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 1, wherein a submersible stirrer (13) and an aeration disc are installed in the A/O activated sludge tank (5), wherein the aeration disc is connected with a blower (17) through an aeration pipeline (34), the upper part and the lower part of the A/O activated sludge tank (5) are connected through a wastewater pipeline (32), and a wastewater return pump (21) is installed on the wastewater pipeline (32).
7. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 3, wherein the sludge concentration tank (8) is connected with the sludge dewatering machine (10) through a slag and sludge pipeline (33) and a sludge screw pump (11), and the inlet of the sludge screw pump (11) is also connected with the sludge flocculating agent tank (9) through a drug adding pipeline (35).
8. The high-efficiency energy-saving aquaculture wastewater treatment system according to claim 7, wherein the liquid phase outlet of the sludge dewatering machine (10) is connected with the regulating tank (2) through a wastewater pipeline (32).
9. An energy-efficient aquaculture wastewater treatment system according to claim 1, 2, 4, 5, 6, 7 or 8, characterized in that it further comprises a grid trough (12) arranged at the water inlet end of the adjusting tank (2), a mechanical grid (1) is installed in the grid trough (12), and the discharge end of the mechanical grid (1) is connected with a slag recovery system (29) through a slag and sludge pipeline (33).
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CN201921132801.8U CN210313923U (en) | 2019-07-18 | 2019-07-18 | Energy-efficient breed effluent disposal system |
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CN111646631A (en) * | 2020-05-06 | 2020-09-11 | 山东双融环保工程有限公司 | Beet sugar wastewater treatment system and treatment process |
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CN111646631A (en) * | 2020-05-06 | 2020-09-11 | 山东双融环保工程有限公司 | Beet sugar wastewater treatment system and treatment process |
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