CN116621398A - Method and system for physicochemical cyclic utilization of cultured waste water - Google Patents
Method and system for physicochemical cyclic utilization of cultured waste water Download PDFInfo
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- CN116621398A CN116621398A CN202310909295.3A CN202310909295A CN116621398A CN 116621398 A CN116621398 A CN 116621398A CN 202310909295 A CN202310909295 A CN 202310909295A CN 116621398 A CN116621398 A CN 116621398A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 17
- 125000004122 cyclic group Chemical group 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 240
- 238000005273 aeration Methods 0.000 claims abstract description 146
- 238000004064 recycling Methods 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 210000003608 fece Anatomy 0.000 claims abstract description 48
- 239000010871 livestock manure Substances 0.000 claims abstract description 48
- 239000006260 foam Substances 0.000 claims abstract description 45
- 238000001704 evaporation Methods 0.000 claims abstract description 37
- 230000008020 evaporation Effects 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 230000001376 precipitating effect Effects 0.000 claims abstract description 25
- 238000004332 deodorization Methods 0.000 claims abstract description 22
- 238000004080 punching Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 230000015556 catabolic process Effects 0.000 claims abstract description 16
- 238000006731 degradation reaction Methods 0.000 claims abstract description 16
- 244000005700 microbiome Species 0.000 claims abstract description 12
- 230000009286 beneficial effect Effects 0.000 claims abstract description 8
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000011010 flushing procedure Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 230000000813 microbial effect Effects 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 97
- 238000004062 sedimentation Methods 0.000 claims description 57
- 239000010865 sewage Substances 0.000 claims description 34
- 238000001125 extrusion Methods 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 210000002700 urine Anatomy 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000009360 aquaculture Methods 0.000 claims 6
- 244000144974 aquaculture Species 0.000 claims 6
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000009965 odorless effect Effects 0.000 abstract description 2
- 239000003895 organic fertilizer Substances 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 7
- 210000005056 cell body Anatomy 0.000 description 5
- 230000002550 fecal effect Effects 0.000 description 5
- 238000012258 culturing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
Abstract
The invention discloses a method and a system for recycling the materialization of cultured waste water, which relate to the technical field of culture and comprise the following steps: step one, precipitating and filtering water; step two, solid-liquid separation; step three, microbial aeration degradation; fourth, deodorizing; step five, cleaning; step six, punching foam; step seven, irrigating; step eight, evaporating water; according to the invention, part of the manure and impurities are removed through two-stage dirt collection and precipitation, and then the manure is used as an organic fertilizer after solid-liquid separation; introducing the separated clear liquid into a biological aeration tank for biological treatment to form odorless biochemical reuse final water containing a large amount of beneficial microorganisms; the final water is recycled and used for removing odor by a water curtain deodorization system of a pig farm; flushing a pig house in a breeding area; the device is used for carrying out foam pressing treatment on foam in the biological aeration tank; 20% of the final water was used in the plant watering system; meanwhile, the water evaporation system can be utilized to reduce the water quantity; thereby eliminating the malodor of the pig farm and realizing the recycling of water saving and cultivation wastewater.
Description
Technical Field
The invention relates to the technical field of cultivation, in particular to a method and a system for recycling the materialization of cultivation waste water.
Background
The waste water generated in the cultivation process of the cultivation farm contains a large amount of excrement, when the excrement directly flows into the septic tank, the waste of water resources in the waste water can be caused by the large-capacity septic tank, the cultivation farm needs to use a large amount of water, the cultivation cost is definitely increased, the existing cultivation farm only treats the cultivation waste water, and the odor generated in cultivation is not treated, so that the cultivation waste water materialization recycling method and system are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method and a system for recycling the physicochemical treatment of cultured wastewater, which solve the problems that the wastewater generated in the culturing process cannot be effectively utilized by a culturing farm and the culturing odor cannot be treated.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the method for recycling the cultured waste water body comprises the following steps:
step one, precipitation and drainage: introducing the fecal sewage generated in the culture area into a first-stage sewage collecting and precipitating tank, and introducing clear liquid in the first-stage sewage collecting and precipitating tank into a second-stage precipitating tank for further precipitation;
step two, solid-liquid separation: pumping out the manure residues in the first-stage dirt collecting sedimentation tank and the second-stage sedimentation tank in the first step by using a submersible pump, discharging the manure residues into a manure residue collecting tank, performing solid-liquid separation on the manure residues in the manure residue collecting tank by using a solid-liquid separation device, then guiding filtered water back into the second-stage sedimentation tank by using a first water pump, and using the dewatered manure residues as farmyard manure;
step three, microbial aeration degradation: introducing clear liquid in the secondary sedimentation tank into a biological aeration tank for aeration degradation; the biological aeration tank comprises a primary aeration tank, a secondary aeration tank and a tertiary aeration recycling tank; introducing clear liquid in the secondary sedimentation tank into a primary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment in the primary aeration tank into a secondary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment in the secondary aeration tank into a tertiary aeration recycling tank for aeration degradation, and obtaining biochemical recycling final water containing beneficial microorganisms;
fourth, deodorizing: the method comprises the steps that odor generated in a cultivation area is conveyed into a water curtain deodorization system through a ventilation channel, reclaimed final water in a three-stage aeration reclaimed pool is guided into the water curtain deodorization system by a second water pump to carry out spraying deodorization treatment on the odor, and the deodorized return water is guided back into the first-stage aeration pool through a third water pump;
step five, cleaning: introducing the reuse final water in the three-stage aeration reuse pond into a cultivation area, and flushing and cleaning a pig house and a manure pit in the cultivation area;
step six, punching foam: introducing the reuse final water in the three-stage aeration reuse tank into a foam punching system by utilizing a fourth water pump to perform foam pressing treatment on foam in the biological aeration tank, so as to prevent the foam from overflowing;
step seven, irrigating: the reuse final water in the three-stage aeration reuse tank can be led out to 20% to a watering system for watering;
step eight, water evaporation: and (3) introducing the reuse final water in the three-stage aeration reuse pond into a water evaporation system by using a fifth water pump to evaporate the water, reducing the excessive water quantity in the pond, and introducing the non-evaporated return water into the first-stage aeration pond.
The invention also discloses a biological recycling system of the culture wastewater, which is applied to the physical and chemical recycling method of the culture wastewater, and comprises a culture area, a primary sewage collecting sedimentation tank, a secondary sedimentation tank, a biological aeration tank, a manure collecting tank, a solid-liquid separation device, a water curtain deodorization system, a punching foam system, a watering system and a water evaporation system.
The invention is further provided with: the sewage collecting sedimentation tank comprises a tank body, wherein the bottom of the tank body is communicated with a slag discharging pipe with an electromagnetic control valve, a buffering and diversion sedimentation device is arranged in the tank body, the sedimentation device comprises a conical pipe arranged at the top of an inner cavity of the tank body, a plurality of inclined pipes are sequentially communicated from top to bottom at the periphery of the conical pipe, the lengths of the inclined pipes are gradually decreased from top to bottom, and excrement and urine sewage generated in a cultivation area enters the sewage collecting sedimentation tank and the secondary sedimentation tank after being buffered and diverted by the sedimentation device.
The invention is further provided with: the top of the tank body in the primary sewage collecting and settling tank is communicated with a main pipe with an electromagnetic valve, the main pipe is communicated with an inclined pipe, one side of the tank body in the primary sewage collecting and settling tank is communicated with a first clear liquid pipe with an electromagnetic valve, one end of the first clear liquid pipe penetrates through the tank body in the secondary settling tank and is communicated with the inclined pipe, and one side of the tank body in the secondary settling tank is communicated with a second clear liquid pipe with an electromagnetic valve; one end of the second clear liquid pipe is communicated with the inside of the biological aeration tank.
The invention is further provided with: the solid-liquid separation device comprises an extrusion barrel arranged at the bottom of the excrement and slag collecting tank, one side of the extrusion barrel is fixedly connected with a conveying motor, the output end of the conveying motor penetrates through the extrusion barrel and is fixedly connected with a spiral feeding shaft, one end of the spiral feeding shaft is rotatably arranged on one side of an inner cavity of the extrusion barrel, the bottom of the excrement and slag collecting tank is communicated with the extrusion barrel through a through hole, a water filtering tank is fixedly arranged at the bottom of the extrusion barrel, a water filtering net is fixedly inlaid at the bottom of the extrusion barrel and is arranged inside the water filtering tank, and the bottom of the extrusion barrel is communicated with a waste slag outlet pipe with an electromagnetic control valve.
The invention is further provided with: one side of the water filtering tank is communicated with a water outlet pipe with an electromagnetic valve, one side of the main pipe is communicated with a water inlet pipe with an electromagnetic control valve, the water inlet pipe is arranged below the electromagnetic control valve on the main pipe, and the water outlet pipe and the water inlet pipe are matched with the first water pump.
The invention is further provided with: the water curtain deodorization system comprises a spray tower, wherein an air inlet is formed in the lower portion of the spray tower, an air outlet is formed in the top of the spray tower, a water inlet is formed in the upper portion of the spray tower, a spray device is installed in the spray tower and is connected with the water inlet, and a water outlet is formed in the bottom of the spray tower; the air inlet is connected with a pipeline of the cultivation area, odor generated in the cultivation area is sent into the spray tower through the air inlet by the exhaust fan, the water inlet is connected with a pipeline of the three-stage aeration recycling tank, recycling final water in the three-stage aeration recycling tank is led into the spray tower through the spray device by the second water pump to spray and deodorize the odor, the water outlet is connected with the pipeline of the one-stage aeration tank, and the deodorized return water is led back into the one-stage aeration tank through the water outlet.
The invention is further provided with: the spray towers comprise a first spray tower, a second spray tower and a third spray tower, wherein the air outlet of the first spray tower is connected with the air inlet of the second spray tower, the air outlet of the second spray tower is connected with the air inlet of the third spray tower, the water inlets of the first spray tower, the second spray tower and the third spray tower are connected, and the water outlets of the first spray tower, the second spray tower and the third spray tower are connected; a steam-water separation device and an exhaust fan are arranged on the air outlet of the third spray tower; the bottom of the spray tower is communicated with a curved return pipe with an electromagnetic control valve, and the curved return pipe is matched with a third water pump.
The invention is further provided with: the punching foam system comprises a punching foam pipeline and a fourth water pump, wherein the punching foam pipeline is extended and paved to the upper parts in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank, and spray heads are also distributed and installed on the punching foam pipeline in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank; and the fourth water pump pumps the water in the three-stage aeration recycling tank into the stamping foam pipeline, and the foam in the stamping tank is sprayed out through the spray head.
The invention is further provided with: the water evaporation system comprises a chimney type frame, an evaporation curtain is arranged on the chimney type frame, an evaporation pipeline is arranged above the evaporation curtain, the evaporation pipeline is provided with a nozzle, and the evaporation pipeline is extended and paved into a three-stage aeration recycling tank and is provided with a fifth water pump; a water receiving tank is arranged below the chimney type frame, a water outlet is arranged in the water receiving tank, and a water outlet pipeline is extended and paved to the primary aeration tank.
The invention provides a method and a system for recycling the materialization of cultured waste water. The beneficial effects are as follows:
(1) According to the invention, part of the manure residue and impurities are removed through two-stage dirt collecting and precipitating of the first-stage dirt collecting and precipitating pond and the second-stage dirt collecting and precipitating pond, and then the manure residue is used as an organic fertilizer to return to the field after solid-liquid separation; introducing the clear liquid precipitated in the two-stage sewage collecting and precipitating tank into a biological aeration tank with a microorganism generator and a nano circular aeration disc at a constant speed for biological treatment, greatly reducing COD, ammonia nitrogen, total phosphorus and suspended matters in the wastewater, removing malodor, and finally forming harmless biochemical recycling final water containing a large amount of beneficial microorganisms; recycling the recycled final water: firstly, the system is used for deodorizing a water curtain of a pig farm; secondly, flushing pigsty, manure pit, tools and the like in the breeding area; thirdly, foam in the biological aeration tank is subjected to foam pressing treatment, so that the foam is prevented from overflowing; fourthly, 20 percent of final water can be used for a plant irrigation system, and meanwhile, a water evaporation system can be used for reducing the water quantity; thereby achieving the aims of eliminating the malodor of the pig farm, solving the problem of no consumption land, treating the wastewater pollution and realizing the recycling of water conservation and cultivation wastewater.
(2) By arranging the buffer diversion sedimentation device, the slow flow of water entering the tank body is ensured, the waste water just entering the tank body is prevented from greatly influencing the sedimented manure in the tank body, and the sedimentation quality of the tank body is further ensured.
(3) By utilizing the arrangement of the through holes, the conveying motor and the spiral feeding shaft, the invention ensures that the manure in the sedimentation collecting tank can smoothly enter the extrusion barrel and stably move in the extrusion barrel, realizes the effective collection of the waste water in the manure under the cooperation of the water filtering net and the water filtering tank, and ensures the effective discharge of the manure after water filtering by cooperating with the arrangement of the waste residue outlet pipe with the electromagnetic control valve, thereby providing convenience for manufacturing farmyard manure from the manure.
(4) According to the invention, by utilizing the arrangement of the three-stage spray tower, the air inlet, the air outlet, the water inlet and the water outlet, the treated water can be introduced into the spray tower, the odor generated in the cultivation area is subjected to spray deodorization treatment through the water curtain deodorization system, the emission of the cultivated odor is reduced, under the arrangement of the curved return pipe, the odor is prevented from overflowing from the curved return pipe, the deodorized water can be recycled to the biological aeration tank, and the effective recycling of water resources is ensured.
Drawings
FIG. 1 is a schematic block diagram of a flow of the present invention;
FIG. 2 is a schematic structural diagram of a primary dirt collecting sedimentation tank and a secondary sedimentation tank of the invention;
FIG. 3 is a schematic diagram showing the connection of the structure of the manure collection tank and the solid-liquid separation device;
FIG. 4 is a schematic view of the structure of the water curtain deodorizing system according to the present invention;
FIG. 5 is a schematic view of the water evaporation system of the present invention;
the reference numerals in the drawings are as follows:
1. a cultivation area; 2. a first-stage dirt collecting sedimentation tank; 3. a secondary sedimentation tank; 4. a biological aeration tank; 5. a manure collection tank; 6. a watering system; 7. a water curtain deodorizing system; 8. a solid-liquid separation device; 9. a slag discharge pipe; 10. a conical tube; 11. an inclined tube; 12. a header pipe; 13. a first clear liquid pipe; 14. a second clear liquid pipe; 15. an extrusion cylinder; 16. a conveying motor; 17. a spiral feeding shaft; 18. a through hole; 19. a water filtering tank; 20. a water filter screen; 21. waste residue outlet pipe; 22. a water outlet pipe; 23. a water inlet pipe; 24. a spray tower; 25. an air inlet; 26. an air outlet; 27. a water inlet; 28. a water outlet; 29. a spraying device; 30. a steam-water separation device; 31. an exhaust fan; 32. a curved return pipe; 33. a ram foam system; 34. a water evaporation system; 35. a cell body; 37. a first water pump; 38. a second water pump; 39. a third water pump; 40. stamping a foam pipeline; 41. a spray head; 42. a chimney-type frame; 43. an evaporation curtain; 44. an evaporation pipe; 45. a nozzle; 46. a fifth water pump; 47. a water receiving tank; 48. a water return port; 49. a blower.
Detailed Description
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.
Referring to fig. 1-5, the following technical solutions are provided in the embodiments of the present invention: the method for recycling the cultured waste water body comprises the following steps:
step one, precipitation and drainage: introducing the fecal sewage generated in the culture area 1 into a first-stage sewage collecting and precipitating pond 2, and introducing clear liquid in the first-stage sewage collecting and precipitating pond 2 into a second-stage precipitating pond 3 for further precipitation;
step two, solid-liquid separation: pumping out the manure residues in the first-stage dirt collecting sedimentation tank 2 and the second-stage sedimentation tank 3 in the first step by using a submersible pump, discharging the manure residues into a manure residue collecting tank 5, performing solid-liquid separation on the manure residues in the manure residue collecting tank 5 by using a solid-liquid separation device 8, and then guiding filtered water back into the second-stage sedimentation tank (3) by using a first water pump 37, wherein the dewatered manure residues are used as farmyard manure;
step three, microbial aeration degradation: introducing clear liquid in the secondary sedimentation tank 3 into a biological aeration tank 4 for aeration degradation; the biological aeration tank 4 comprises a primary aeration tank, a secondary aeration tank and a tertiary aeration recycling tank; introducing clear liquid in the secondary sedimentation tank 3 into a primary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment of the primary aeration tank into a secondary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment of the secondary aeration tank into a tertiary aeration recycling tank for aeration degradation, and obtaining biochemical recycling final water containing beneficial microorganisms;
fourth, deodorizing: the odor generated in the cultivation area 1 is conveyed into a water curtain deodorization system 7 through a ventilation channel, the reuse final water in the three-stage aeration reuse pond is guided into the water curtain deodorization system 7 by a second water pump 38 to carry out spraying deodorization treatment on the odor, and the deodorized return water is guided back into the first-stage aeration pond through a third water pump 39;
step five, cleaning: introducing the reuse final water in the three-stage aeration reuse pond into the cultivation area 1, and flushing and cleaning piggeries, manure tanks and tools in the cultivation area 1;
step six, punching foam: introducing the reclaimed final water in the tertiary aeration reclaimed pond into a punching foam system 33 by utilizing a fourth water pump to perform foam pressing treatment on the foam in the biological aeration pond 4, so as to prevent the foam from overflowing;
step seven, irrigating: the reuse final water in the three-stage aeration reuse pool can be led out to 20% to the irrigation system 6 for plant health care irrigation;
step eight, water evaporation: the fifth water pump 46 is utilized to guide the reuse final water in the three-stage aeration reuse pond into the water evaporation system 34 to evaporate odorless water, so that the redundant water quantity in the pond is reduced, and the pond construction cost and the consumption land are saved; the non-evaporated return water is led back to the first-stage aeration tank.
As a preferred scheme, when the water content of the fecal slag discharged from the waste slag outlet pipe 21 in the second step is large, the electromagnetic control valve on the waste slag outlet pipe 21 is closed, the conveying motor 16 drives the spiral feeding shaft 17 to rotate, the fecal slag is conveyed to one side close to the waste slag outlet pipe 21, water in the fecal slag is extruded into the water filtering net 20, and then the electromagnetic control valve on the waste slag outlet pipe 21 is opened.
By adopting the technical scheme, the first-stage sewage collecting sedimentation tank 2 and the second-stage sedimentation tank 3 are utilized to carry out sedimentation treatment on the manure water generated in the cultivation area 1, so that preliminary solid-liquid separation is realized, the separated clear liquid is led into the biological aeration tank 4 for biological aeration treatment, after a large amount of beneficial microorganisms are contained in the water, the manure tank of the cultivation area 1 is washed by the water, the manure water of the cultivation area 1 is recycled, the water and the water curtain deodorization system 7 are utilized to carry out circulation, the deodorization treatment is carried out on the odor of the pig farm, and the malodor of the pig farm is eliminated and the water is recycled; and the solid-liquid separation device 8 is matched, so that the separation of water in the manure slag is realized while the manure slag in the first-stage dirt collecting sedimentation tank 2 and the second-stage sedimentation tank 3 is cleaned, the effective recycling of the cultivation wastewater is ensured, and the aim of reducing the cultivation cost is fulfilled.
The biological recycling system for the cultivation wastewater is applied to the biochemical recycling method for the cultivation wastewater, and comprises a cultivation area 1, a primary sewage collecting sedimentation tank 2, a secondary sedimentation tank 3, a biological aeration tank 4, a manure collecting tank 5, a solid-liquid separation device 8, a water curtain deodorization system 7, a punching foam system 33, a watering system 6 and a water evaporation system 34.
Further, the first-stage dirt collecting sedimentation tank 2 and the second-stage sedimentation tank 3 all include the cell body 35, the bottom of cell body 35 is the toper structure, and its bottom all communicates has the scum pipe 9 that has electromagnetic control machine valve, install buffering reposition of redundant personnel sediment device in the cell body 35, sediment device is including installing the conical tube 10 at the top of cell body 35 inner chamber, the periphery of conical tube 10 has a plurality of inclined tube 11 from last to communicating in proper order down, and the length of a plurality of inclined tube 11 is from last decreasingly setting down, and the excrement and urine sewage that breed district 1 produced gets into first-stage dirt collecting sedimentation tank 2 and second-stage sedimentation tank 3 after the buffering reposition of redundant personnel of sediment device.
Further, a main pipe 12 with an electromagnetic valve is communicated with the top of a tank body 35 in the primary sewage collecting and precipitating tank 2, the main pipe 12 is communicated with an inclined pipe 11, one side of the tank body 35 in the primary sewage collecting and precipitating tank 2 is communicated with a first clear liquid pipe 13 with an electromagnetic valve, one end of the first clear liquid pipe 13 penetrates through the tank body 35 in the secondary precipitating tank 3 and is communicated with the inclined pipe 11, and one side of the tank body 35 in the secondary precipitating tank 3 is communicated with a second clear liquid pipe 14 with an electromagnetic valve; one end of the second clear liquid pipe 14 is communicated with the inside of the biological aeration tank 4; the secondary sedimentation tank 3 can also be used as a flow regulating tank, and the water amount discharged to the biological aeration tank 4 is regulated through a second clear liquid pipe 14 with an electromagnetic valve.
By adopting the technical scheme, the slow flow of water entering the tank body 35 is ensured by utilizing the conical tube 10 and the plurality of inclined tubes 11 of the buffering, diverting and precipitating device, so that the waste water just entering the tank body 35 is prevented from greatly influencing the manure which is precipitated in the tank body 35, and the precipitating quality of the tank body 35 is further ensured; preferably, the buffer diversion sedimentation device is only arranged in the secondary sedimentation tank 3, and the buffer diversion sedimentation device is not arranged in the primary dirt collecting sedimentation tank 2, so that coarse slag is naturally sedimented.
Further, the solid-liquid separation device 8 comprises an extrusion barrel 15 arranged at the bottom of the excrement and residue collecting tank 5, one side of the extrusion barrel 15 is fixedly connected with a conveying motor 16, the output end of the conveying motor 16 penetrates through the extrusion barrel 15 and is fixedly connected with a spiral feeding shaft 17, one end of the spiral feeding shaft 17 is rotatably arranged at one side of an inner cavity of the extrusion barrel 15, the bottom of the excrement and residue collecting tank 5 is communicated with the extrusion barrel 15 through a through hole 18, a water filtering tank 19 is fixedly arranged at the bottom of the extrusion barrel 15, a water filtering net 20 is fixedly inlaid at the bottom of the extrusion barrel 15 and is arranged in the water filtering tank 19, and a waste residue outlet pipe 21 with an electromagnetic control valve is communicated at the bottom of the extrusion barrel 15.
Further, a water outlet pipe 22 with an electromagnetic valve is connected to one side of the water filtering tank 19, a water inlet pipe 23 with an electromagnetic valve is connected to one side of the main pipe 12, the water inlet pipe 23 is arranged below the electromagnetic valve on the main pipe 12, and the water outlet pipe 22 and the water inlet pipe 23 are matched with the first water pump 37.
Through adopting above-mentioned technical scheme, utilize the setting of through-hole 18, conveying motor 16 and spiral pay-off axle 17, guarantee that the excrement sediment in the sedimentation collecting tank can enter into the recipient 15 smoothly, and stable removal in the recipient 15, under the cooperation of drainage net 20 and drainage box 19, realize effectively collecting waste water in the excrement sediment, the setting of the waste residue exit tube 21 of cooperation with electromagnetic control valve, guarantee the effective discharge of excrement sediment after the drainage, offer convenience for excrement sediment preparation farmyard manure.
Furthermore, the manure residues in the first-stage dirt collecting sedimentation tank 2 and the second-stage sedimentation tank 3 can be directly pumped into the solid-liquid separation device 8 by a pump for solid-liquid separation.
Further, an aeration disc is arranged in the biological aeration tank 4, the aeration disc is a nano circular aeration disc, the aeration disc is connected with a fan 49, and the fan 49 supplies air to the aeration disc to perform aeration treatment on water in the biological aeration tank 4; a microorganism generator is also arranged in the biological aeration tank 4, the microorganism generator is arranged at one meter under water, and the microorganism generator is used for supplying oxygen through a fan 49 pipeline; the clear liquid precipitated in the two-stage sewage collecting and precipitating tank is led into a biological aeration tank 4 at a constant speed, and is subjected to biological treatment through a microorganism generator and a nano aeration disc, COD, ammonia nitrogen, total phosphorus and suspended matters in the wastewater are greatly reduced, malodor is removed, and finally, recycling final water containing a large amount of beneficial microorganisms is formed.
Further, the water curtain deodorization system 7 comprises a spray tower 24, an air inlet 25 is arranged at the lower part of the spray tower 24, an air outlet 26 is arranged at the top of the spray tower 24, a water inlet 27 is arranged at the upper part of the spray tower 24, a spray device 29 is arranged in the spray tower 24, the spray device 29 is connected with the water inlet 27, and a water outlet 28 is arranged at the bottom of the spray tower 24; the air inlet 25 is connected with the cultivation area 1 through a pipeline, odor generated in the cultivation area 1 is sent into the spray tower 24 through the air inlet 25 by an exhaust fan 31, the water inlet 27 is connected with a pipeline of the three-stage aeration recycling pool, recycled final water in the three-stage aeration recycling pool is led into the spray tower 24 through a spray device 29 by a second water pump 38 to spray and deodorize the odor, the water outlet 28 is connected with the pipeline of the primary aeration pool, and the deodorized return water is led back into the primary aeration pool through the water outlet 28.
Further, the spray tower 24 includes a first spray tower, a second spray tower and a third spray tower, the air outlet 26 of the first spray tower is connected with the air inlet 25 of the second spray tower, the air outlet 26 of the second spray tower is connected with the air inlet 25 of the third spray tower, the water inlets 27 of the first spray tower, the second spray tower and the third spray tower are connected, and the water outlets 28 of the first spray tower, the second spray tower and the third spray tower are connected; a steam-water separation device 30 and an exhaust fan 31 are arranged on the air outlet 26 of the third spray tower; the bottom of the spray tower 24 is communicated with a curved return pipe 32 with an electromagnetic control valve, and the curved return pipe 32 is matched with a third water pump 39 for use.
Through adopting above-mentioned technical scheme, can introduce spray column 24 with the water after the processing, carry out the deodorization treatment that sprays through cascade deodorization system 7 to the foul smell that breeding district 1 produced, reduce the emission of breeding foul smell, under the setting of bent type back flow 32, when avoiding the foul smell to spill over from bent type back flow 32, guarantee that the water after the deodorization can circulate back to biological aeration tank 4 in, guarantee the effective cyclic utilization of water resource.
Further, the punching foam system 33 includes a punching foam pipe 40 and a fourth water pump, the punching foam pipe 40 extends to the upper part in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank, and the punching foam pipe 40 in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank is also provided with spray heads 41 in a distributed manner; the fourth water pump pumps the water in the three-stage aeration recycling tank into the stamping foam pipeline 40, and foam in the stamping tank is sprayed out through the spray nozzle 41, so that the foam in the biological aeration tank 4 is prevented from overflowing, and the environment is polluted.
Further, the water evaporation system 34 comprises a chimney-type frame 42, an evaporation curtain 43 is installed on the chimney-type frame 42, an evaporation pipeline 44 is arranged above the evaporation curtain 43, the evaporation pipeline 44 is provided with a nozzle 45, the evaporation pipeline 44 is extended and paved into the three-stage aeration recycling tank, and a fifth water pump 46 is installed; a water receiving tank 47 is arranged below the chimney type frame 42, the water receiving tank 47 is provided with a water return port 48, and the water return port 48 is laid to the primary aeration tank in a pipeline extending manner; a fan 49 is attached to the chimney portion of the chimney frame 42.
By adopting the technical scheme, when the water in the three-stage aerobic recycling pool is full, the recycling final water in the three-stage aeration recycling pool is guided into the water evaporation system 34 by the fifth water pump 46, the water is sprayed onto the evaporation curtain 43 through the nozzle 45, the water on the evaporation curtain 43 is evaporated by natural wind, the water quantity is reduced, the water discharge is reduced, and the non-evaporated return water is guided into the water tank and is returned into the first-stage aeration pool.
Claims (10)
1. The method for recycling the culture waste water body is characterized by comprising the following steps: the method specifically comprises the following steps:
step one, precipitation and drainage: introducing the excrement and urine sewage generated in the culture area (1) into a first-stage sewage collecting and precipitating tank (2), and then introducing clear liquid in the first-stage sewage collecting and precipitating tank (2) into a second-stage precipitating tank (3) for further precipitation;
step two, solid-liquid separation: pumping out the manure residues in the first-stage dirt collecting sedimentation tank (2) and the second-stage sedimentation tank (3) in the first step by using a submersible pump, discharging the manure residues into a manure residue collecting tank (5), performing solid-liquid separation on the manure residues in the manure residue collecting tank (5) by using a solid-liquid separation device (8), and then guiding filtered water back into the second-stage sedimentation tank (3) by using a first water pump (37), wherein the dewatered manure residues are used as farmyard manure;
step three, microbial aeration degradation: introducing clear liquid in the secondary sedimentation tank (3) into a biological aeration tank (4) for aeration degradation; the biological aeration tank (4) comprises a primary aeration tank, a secondary aeration tank and a tertiary aeration recycling tank; introducing clear liquid in the secondary sedimentation tank (3) into a primary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment of the primary aeration tank into a secondary aeration tank for aeration degradation, introducing sewage subjected to aeration treatment of the secondary aeration tank into a tertiary aeration recycling tank for aeration degradation, and obtaining biochemical recycling final water containing beneficial microorganisms;
fourth, deodorizing: the odor generated in the cultivation area (1) is conveyed into a water curtain deodorization system (7) through a ventilation channel, the reuse final water in the three-stage aeration reuse pond is guided into the water curtain deodorization system (7) by a second water pump (38), the odor is sprayed and deodorized, and the deodorized return water is guided back into the first-stage aeration pond through a third water pump (39);
step five, cleaning: introducing the reuse final water in the three-stage aeration reuse pond into a cultivation area (1), and flushing and cleaning a piggery and a manure pit of the cultivation area (1);
step six, punching foam: introducing the reuse final water in the three-stage aeration reuse pond into a punching foam system (33) by using a fourth water pump to perform foam pressing treatment on foam in the biological aeration pond (4) so as to prevent the foam from overflowing;
step seven, irrigating: the reuse final water in the three-stage aeration reuse tank can be led out to 20% to a watering system (6) for watering;
step eight, water evaporation: and (3) introducing the reuse final water in the three-stage aeration reuse pond into a water evaporation system (34) by using a fifth water pump (46) to evaporate the water, reducing the excessive water quantity in the pond, and introducing the non-evaporated return water into the first-stage aeration pond.
2. A cultivation wastewater biological recycling system, which is applied to the cultivation wastewater physical and chemical recycling method in claim 1, and is characterized in that: comprises a cultivation area (1), a first-stage sewage collecting sedimentation tank (2), a second-stage sedimentation tank (3), a biological aeration tank (4), a manure collecting tank (5), a solid-liquid separation device (8), a water curtain deodorizing system (7), a punching foam system (33), a watering system (6) and a water evaporation system (34).
3. The aquaculture wastewater biological recycling system according to claim 2, wherein: the sewage collecting sedimentation tank comprises a tank body (35), wherein slag discharging pipes (9) with electromagnetic control valves are communicated with the bottom of the tank body (35), buffering and diversion sedimentation devices are installed in the tank body (35), the sedimentation devices comprise conical pipes (10) installed at the top of an inner cavity of the tank body (35), a plurality of inclined pipes (11) are sequentially communicated with the periphery of the conical pipes (10) from top to bottom, the lengths of the inclined pipes (11) are gradually decreased from top to bottom, and excrement and urine sewage generated in a cultivation area (1) enters the sewage collecting sedimentation tank (2) and the secondary sedimentation tank (3) after being subjected to buffering and diversion by the sedimentation devices.
4. A aquaculture wastewater biological recycling system according to claim 3 wherein: the top of a tank body (35) in the primary sewage collecting and precipitating tank (2) is communicated with a main pipe (12) with an electromagnetic valve, the main pipe (12) is communicated with an inclined pipe (11), one side of the tank body (35) in the primary sewage collecting and precipitating tank (2) is communicated with a first clear liquid pipe (13) with an electromagnetic valve, one end of the first clear liquid pipe (13) penetrates through the tank body (35) in the secondary precipitating tank (3) and is communicated with the inclined pipe (11), and one side of the tank body (35) in the secondary precipitating tank (3) is communicated with a second clear liquid pipe (14) with an electromagnetic valve; one end of the second clear liquid pipe (14) is communicated with the inside of the biological aeration tank (4).
5. The cultivation wastewater biological recycling system according to claim 4, wherein: the solid-liquid separation device (8) comprises an extrusion barrel (15) arranged at the bottom of the excrement and slag collecting tank (5), one side of the extrusion barrel (15) is fixedly connected with a conveying motor (16), the output end of the conveying motor (16) penetrates through the extrusion barrel (15) and is fixedly connected with a spiral feeding shaft (17), one end of the spiral feeding shaft (17) is rotatably arranged on one side of an inner cavity of the extrusion barrel (15), the bottom of the excrement and slag collecting tank (5) is communicated with the extrusion barrel (15) through a through hole (18), a water filtering tank (19) is fixedly arranged at the bottom of the extrusion barrel (15), a water filtering net (20) is fixedly inlaid at the bottom of the extrusion barrel (15), and the water filtering net (20) is arranged inside the water filtering tank (19), and a waste slag outlet pipe (21) with an electromagnetic control valve is communicated at the bottom of the extrusion barrel (15).
6. The cultivation wastewater biological recycling system according to claim 5, wherein: one side of the water filtering tank (19) is communicated with a water outlet pipe (22) with an electromagnetic valve, one side of the main pipe (12) is communicated with a water inlet pipe (23) with an electromagnetic control valve, the water inlet pipe (23) is arranged below the electromagnetic control valve on the main pipe (12), and the water outlet pipe (22) and the water inlet pipe (23) are matched with a first water pump (37).
7. The aquaculture wastewater biological recycling system according to claim 2, wherein: the water curtain deodorization system (7) comprises a spray tower (24), an air inlet (25) is formed in the lower portion of the spray tower (24), an air outlet (26) is formed in the top of the spray tower (24), a water inlet (27) is formed in the upper portion of the spray tower (24), a spray device (29) is installed in the spray tower (24), the spray device (29) is connected with the water inlet (27), and a water outlet (28) is formed in the bottom of the spray tower (24); the air inlet (25) is connected with the cultivation area (1) through a pipeline, odor generated by the cultivation area (1) is sent into the spray tower (24) through the air inlet (25) through an exhaust fan (31), the water inlet (27) is connected with the three-stage aeration recycling tank through a pipeline, recycling final water in the three-stage aeration recycling tank is led into the spray tower (24) through the spray device (29) by utilizing the second water pump (38) to spray and deodorize the odor, the water outlet (28) is connected with the pipeline of the one-stage aeration tank, and return water after deodorization is led back into the one-stage aeration tank through the water outlet (28).
8. The aquaculture wastewater biological recycling system according to claim 7, wherein: the spray towers (24) comprise a first spray tower, a second spray tower and a third spray tower, an air outlet (26) of the first spray tower is connected with an air inlet (25) of the second spray tower, an air outlet (26) of the second spray tower is connected with an air inlet (25) of the third spray tower, water inlets (27) of the first spray tower, the second spray tower and the third spray tower are connected, and water outlets (28) of the first spray tower, the second spray tower and the third spray tower are connected; a steam-water separation device (30) and an exhaust fan (31) are arranged on the air outlet (26) of the third spray tower; the bottom of the spray tower (24) is communicated with a curved return pipe (32) with an electromagnetic control valve, and the curved return pipe (32) is matched with a third water pump (39).
9. The aquaculture wastewater biological recycling system according to claim 2, wherein: the punching foam system (33) comprises a punching foam pipeline (40) and a fourth water pump, wherein the punching foam pipeline (40) is extended and paved to the upper parts in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank, and spray heads (41) are also distributed and installed on the punching foam pipeline (40) in the primary aeration tank, the secondary aeration tank and the tertiary aeration recycling tank; and the fourth water pump pumps the water in the three-stage aeration recycling tank into a stamping foam pipeline (40) and sprays foam in the stamping tank through a spray head (41).
10. The aquaculture wastewater biological recycling system according to claim 2, wherein: the water evaporation system (34) comprises a chimney type frame (42), an evaporation curtain (43) is arranged on the chimney type frame (42), an evaporation pipeline (44) is arranged above the evaporation curtain (43), the evaporation pipeline (44) is provided with a nozzle (45), and the evaporation pipeline (44) is extended and paved into a three-stage aeration recycling tank and is provided with a fifth water pump (46); a water receiving tank (47) is arranged below the chimney type frame (42), the water receiving tank (47) is provided with a water return port (48), and the water return port (48) is laid to the primary aeration tank in a pipeline extending mode.
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| CN202310909295.3A CN116621398A (en) | 2023-07-24 | 2023-07-24 | Method and system for physicochemical cyclic utilization of cultured waste water |
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| CN202310909295.3A CN116621398A (en) | 2023-07-24 | 2023-07-24 | Method and system for physicochemical cyclic utilization of cultured waste water |
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