CN115072848A - Pig farm sewage pretreatment system and treatment method thereof - Google Patents
Pig farm sewage pretreatment system and treatment method thereof Download PDFInfo
- Publication number
- CN115072848A CN115072848A CN202210573544.1A CN202210573544A CN115072848A CN 115072848 A CN115072848 A CN 115072848A CN 202210573544 A CN202210573544 A CN 202210573544A CN 115072848 A CN115072848 A CN 115072848A
- Authority
- CN
- China
- Prior art keywords
- sewage
- crystallization tank
- day
- crystallizing pond
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims description 76
- 238000000034 method Methods 0.000 title claims description 18
- 238000002425 crystallisation Methods 0.000 claims abstract description 90
- 230000008025 crystallization Effects 0.000 claims abstract description 90
- 239000011152 fibreglass Substances 0.000 claims abstract description 77
- 238000009825 accumulation Methods 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 59
- 206010069747 Burkholderia mallei infection Diseases 0.000 claims description 42
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 claims description 21
- 229910052567 struvite Inorganic materials 0.000 claims description 21
- 239000003337 fertilizer Substances 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 2
- 210000003608 fece Anatomy 0.000 description 24
- 239000010871 livestock manure Substances 0.000 description 24
- 235000015097 nutrients Nutrition 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
- C01B25/451—Phosphates containing plural metal, or metal and ammonium containing metal and ammonium
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
A pig farm wastewater pretreatment system, wherein: the accumulation pool has a volume of more than 48 days; the invention has the advantages that the Z-shaped circulation grooves are arranged in the crystallization tank, and the threaded glass fiber reinforced plastics are uniformly distributed on the circulation grooves.
Description
Technical Field
The field belongs to the technical field of sewage treatment, and particularly relates to a piggery sewage pretreatment system and a treatment method thereof.
Background
The comprehensive treatment and utilization of the sewage of the pig farm become important to solve the problem of pollution of livestock and poultry. Magnesium ammonium phosphate precipitation (MAP precipitation), commonly known as struvite precipitation, is a new research hotspot for removing nitrogen and phosphorus pollutants in sewage in recent years.
Struvite, also known as magnesium ammonium phosphate hexahydrate (MgNH4PO · 46H 2O, MAP for short), is a white orthorhombic structure, is a recyclable, environmentally friendly, preferred fertilizer. Due to the slightly solubility of struvite in water and soil solutions, it has a certain slow release property. Compared with the traditional fertilizer, the struvite nutrient element loss is less, the water eutrophication can not be caused, the seedling burning phenomenon can not be caused due to overhigh concentration, the struvite nutrient element is particularly suitable for being used as a vegetation fertilizer for river and lake basins, and the struvite nutrient element is suitable for cultivating crops such as lawns, ornamental plants, vegetables and the like.
The struvite has the defects that the generated crystals are very fine and are not easy to separate from water, the quality of effluent of a secondary sedimentation tank is reduced in industrial application, and the fine crystals are easy to deposit in a pipeline to cause the blockage of the pipeline and equipment.
Disclosure of Invention
In order to solve the problem of blockage and damage of pipelines and liquid pumps, the invention provides a piggery sewage pretreatment system, which comprises: the device comprises an accumulation tank 1, a crystallization tank 2, a circulation tank 3, thread glass reinforced plastic 4, a liquid outlet 5, a Rotz fan 6 and a second crystallization tank 7; wherein: the impoundment 1 is connected with a second crystallization pond 7 through a crystallization pond 2.
A pig farm wastewater pretreatment system, wherein: the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and the circulation groove 3 is provided with threaded glass fiber reinforced plastics 4 which are uniformly distributed.
A pig farm wastewater pretreatment system, wherein: the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; the liquid outlet 5 is provided with a Rotz fan 6.
A pig farm wastewater pretreatment system, wherein: the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day.
A pig farm wastewater pretreatment system, wherein: the width of the circulation groove 3 is 1 meter; the distance between the thread glass fiber reinforced plastic 4 is 0.5 m, and the outer surface is provided with uniformly distributed rod-shaped fibers.
The invention also provides a pig farm sewage pretreatment method, which comprises the following steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
The invention has the advantages that the problems of pipeline blockage serving as a liquid fertilizer conveying medium and damage and maintenance caused by blockage of a liquid pump in the later period are solved by arranging twice standing crystallization and then discharging excrement.
Drawings
FIG. 1 is a schematic view of a pig farm sewage pretreatment system according to the present invention
In the figure: 1. an impoundment; 2. a crystallization tank; 3. a circulation tank; 4. thread glass fiber reinforced plastic; 5. a liquid outlet; 6. a Rotz fan; 7. a second crystallization tank;
Detailed Description
Experimental example 1, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and the circulation groove 3 is provided with threaded glass fiber reinforced plastics 4 which are uniformly distributed; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.5 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 2, the structural parameters of the pretreatment system are as follows:
the volume of the impoundment 1 is more than 48 days; directly sent to the forest land through a liquid fertilizer conveying system.
Experimental example 3, the structural parameters of the pretreatment system are as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1 meter; 4, the space between the thread glass reinforced plastic and the thread glass reinforced plastic is 1 meter, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 4, the structural parameters of the pretreatment system are as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.25 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 5, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 0.5 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.5 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 6, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1.5 meters; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.5 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for one day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 7, the pretreatment system structural parameters are as follows:
the volume of the impoundment 1 is more than 48 days of excrement; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing tank 7 and the crystallizing tank 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.5 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure after the methane fermentation, and discharges the manure into the crystallization tank 2 through a pipeline to stand for half a day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: and standing the sewage in the second crystallizing pond 7 for half a day, simultaneously starting the operation of the Rotz fan 6, discharging the sewage after one day, and pumping the sewage into the forest land as liquid fertilizer through a liquid pump.
Experimental example 8, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.5 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for 2 days.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept stand in the second crystallizing pond 7 for 2 days, meanwhile, the Rotz fan 6 starts to work, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 9, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 0.5 meter; 4, the space between the thread glass reinforced plastic and the thread glass reinforced plastic is 1 meter, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for 1 day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept stand in the second crystallizing pond 7 for 1 day, and simultaneously the Rotz fan 6 starts to work, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 10, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1.5 meters; 4, the space between the thread glass reinforced plastic and the thread glass reinforced plastic is 1 meter, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for 1 day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept stand in the second crystallizing pond 7 for 1 day, and simultaneously the Rotz fan 6 starts to work, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 11, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 0.5 meter; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.25 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for 1 day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept stand in the second crystallizing pond 7 for 1 day, and simultaneously the Rotz fan 6 starts to work, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Experimental example 12, the pretreatment system structural parameters were as follows:
the volume of the impoundment 1 is more than 48 days of excrement; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and threaded glass fiber reinforced plastics 4 are uniformly distributed on the circulation groove 3; the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; a Rotz fan 6 is arranged on the liquid outlet 5; the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day; the width of the circulation groove 3 is 1.5 meters; the distance between the thread glass reinforced plastic 4 and the thread glass reinforced plastic is 0.25 m, and rod-shaped fibers are uniformly distributed on the outer surface of the thread glass reinforced plastic;
the system comprises the following processing steps:
the method comprises the following steps: the accumulation tank 1 accumulates the manure fermented by the biogas, and discharges the manure into the crystallization tank 2 through a pipeline to stand for 1 day.
Step two: after standing still for one day, the sewage in the crystallization tank 2 is discharged into a second crystallization tank 7, meanwhile, the threaded glass fiber reinforced plastic 4 in the crystallization tank 2 is removed, the struvite crystals attached to the threaded glass fiber reinforced plastic are removed, and then the sewage is placed back into the crystallization tank 2.
Step three: the sewage is kept stand in the second crystallizing pond 7 for 1 day, and simultaneously the Rotz fan 6 starts to work, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
The detection data obtained in the above 12 experimental examples are as follows:
through the above experimental results, analysis is performed, and on the premise of reducing the complex range of system construction in consideration of the construction cost of the system, the embodiment 1 is an optimal solution.
Claims (6)
1. A pig farm wastewater pretreatment system comprising: the device comprises an accumulation tank 1, a crystallization tank 2, a circulation tank 3, thread glass reinforced plastic 4, a liquid outlet 5, a Rotz fan 6 and a second crystallization tank 7; the method is characterized in that: the impoundment 1 is connected with a second crystallization pond 7 through a crystallization pond 2.
2. The pig farm wastewater pretreatment system of claim 1, wherein: the volume of the impoundment 1 is more than 48 days; a Z-shaped circulation groove 3 is arranged in the crystallization tank 2, and the circulation groove 3 is provided with threaded glass fiber reinforced plastics 4 which are uniformly distributed.
3. The pig farm wastewater pretreatment system of claim 2, wherein: the second crystallizing pond 7 is completely the same as the crystallizing pond 2, and a liquid outlet 5 is arranged at the right side of the second crystallizing pond 7; the liquid outlet 5 is provided with a Rotz fan 6.
4. The pig farm wastewater pretreatment system of claim 3, wherein: the power of the Rotz fan 6 is 15 KW; the volumes of the second crystallizing pond 7 and the crystallizing pond 2 are the sewage discharge amount of one day.
5. The pig farm wastewater pretreatment system of claim 3, wherein: the width of the circulation groove 3 is 1 meter; the distance between the thread glass fiber reinforced plastic 4 is 0.5 m, and the outer surface is provided with uniformly distributed rod-shaped fibers.
6. A pig farm sewage pretreatment method is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: the accumulation tank 1 accumulates the excrement fermented by the methane, discharges the excrement into the crystallization tank 2 through a pipeline and stands for one day, and the step two is as follows: standing the sewage in the crystallization tank 2 for one day, discharging the sewage into a second crystallization tank 7, removing the thread glass fiber reinforced plastics 4 in the crystallization tank 2, removing struvite crystals attached to the crystal, and then returning the crystal to the crystallization tank 2, and the third step: the sewage is kept still in the second crystallizing pond 7 for one day, the Rotz fan 6 starts to work at the same time, and the sewage is discharged after one day and is pumped into the forest land as liquid fertilizer through the liquid pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210573544.1A CN115072848B (en) | 2022-05-25 | 2022-05-25 | Pig farm sewage pretreatment system and treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210573544.1A CN115072848B (en) | 2022-05-25 | 2022-05-25 | Pig farm sewage pretreatment system and treatment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115072848A true CN115072848A (en) | 2022-09-20 |
| CN115072848B CN115072848B (en) | 2024-02-20 |
Family
ID=83249930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210573544.1A Active CN115072848B (en) | 2022-05-25 | 2022-05-25 | Pig farm sewage pretreatment system and treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115072848B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215034A (en) * | 2007-12-28 | 2008-07-09 | 天津市天水环保设计工程有限公司 | Labyrinth type nitrogen phosphorus trap components for treating sewage and waste water |
| CN202156940U (en) * | 2011-07-20 | 2012-03-07 | 中国矿业大学(北京) | High ammonia-nitrogen sewage treatment system |
| CN102690001A (en) * | 2012-06-06 | 2012-09-26 | 广西大学 | Method for treating sewage with high ammonia, nitrogen and phosphorus contents in livestock and poultry farms by chemical precipitation |
| CN104478121A (en) * | 2014-11-13 | 2015-04-01 | 东华大学 | Helical flow dephosphorization reactor |
| CN204607756U (en) * | 2015-03-12 | 2015-09-02 | 徐颋 | A kind of for Wastewater Pretreatment and the crystallization apparatus reclaiming magnesium ammonium phosphate |
| CN108442478A (en) * | 2018-02-05 | 2018-08-24 | 西安科技大学 | A kind of nutriment original position recycling bio-toilet device based on the separation of excrement source |
| CN212222461U (en) * | 2020-02-25 | 2020-12-25 | 筠诚和瑞环境科技集团有限公司 | A device for breeding waste water crystallization |
| CN112158986A (en) * | 2020-09-23 | 2021-01-01 | 广西大学 | Method for treating sewage containing high ammonia, nitrogen and phosphorus in livestock and poultry farm by using boric sludge |
-
2022
- 2022-05-25 CN CN202210573544.1A patent/CN115072848B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215034A (en) * | 2007-12-28 | 2008-07-09 | 天津市天水环保设计工程有限公司 | Labyrinth type nitrogen phosphorus trap components for treating sewage and waste water |
| CN202156940U (en) * | 2011-07-20 | 2012-03-07 | 中国矿业大学(北京) | High ammonia-nitrogen sewage treatment system |
| CN102690001A (en) * | 2012-06-06 | 2012-09-26 | 广西大学 | Method for treating sewage with high ammonia, nitrogen and phosphorus contents in livestock and poultry farms by chemical precipitation |
| CN104478121A (en) * | 2014-11-13 | 2015-04-01 | 东华大学 | Helical flow dephosphorization reactor |
| CN204607756U (en) * | 2015-03-12 | 2015-09-02 | 徐颋 | A kind of for Wastewater Pretreatment and the crystallization apparatus reclaiming magnesium ammonium phosphate |
| CN108442478A (en) * | 2018-02-05 | 2018-08-24 | 西安科技大学 | A kind of nutriment original position recycling bio-toilet device based on the separation of excrement source |
| CN212222461U (en) * | 2020-02-25 | 2020-12-25 | 筠诚和瑞环境科技集团有限公司 | A device for breeding waste water crystallization |
| CN112158986A (en) * | 2020-09-23 | 2021-01-01 | 广西大学 | Method for treating sewage containing high ammonia, nitrogen and phosphorus in livestock and poultry farm by using boric sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115072848B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101492230B (en) | Comprehensive processing process and system for cultivation wastewater | |
| CN103359881B (en) | Method for reducing and controlling wastewater pollution of pig farm | |
| CN1181730C (en) | Indoor automatic breeding system | |
| CN101692782B (en) | Fertigation facility of domestic sewage after biochemical treatment | |
| CN215161901U (en) | Mainstream UMIF (unified modeling and derived knowledge framework) process system for low-cost nitrogen and phosphorus removal of low-C/N (carbon/nitrogen) ratio sewage | |
| CN106348451A (en) | Continuous system for processing high ammonia-nitrogen pig raising biogas slurry by combining microalgae and aquatic plants | |
| CN115072848B (en) | Pig farm sewage pretreatment system and treatment method thereof | |
| CN101028955A (en) | Method and apparatus for treating polybasic micro-power cultured manure water | |
| CN110615576B (en) | Compound ecological remediation system of farmland tail water with nitrogen phosphorus reduces function | |
| CN101723524B (en) | Biogas slurry pretreatment method and device for foliar fertilizer and drip irrigation fertilizer | |
| CN207227416U (en) | A kind of stalk marsh gas biogas slurry circulatory system | |
| CN202543003U (en) | Landfill leachate treatment device | |
| CN109534611A (en) | Integrated sewage disposal equipment for reclaiming with pretreatment pool | |
| CN206229051U (en) | A kind of biogas slurry film concentrating and separating device | |
| CN213306242U (en) | Intelligent water and fertilizer integrated system | |
| CN109790054A (en) | A kind of Process on Intensive Dairy Cattle Farm breeding wastewater drip irrigation system and operation management method | |
| CN101314497A (en) | Wastewater treatment and reutilization process | |
| CN104641777A (en) | Field biogas slurry fertilization integrated irrigating system | |
| CN113443786A (en) | Biogas slurry treatment and resource utilization system and method | |
| CN209507907U (en) | Integrated sewage disposal equipment for reclaiming with pretreatment pool | |
| CN205528276U (en) | Pond water cycle recycle system | |
| CN206843186U (en) | A kind of cultivating wastewater purification and recovery system | |
| CN220000461U (en) | Multi-stage sewage purification and fish culture system using aquatic plants | |
| CN104118972A (en) | Process for treating wastewater in fermentation industry based on activated aerobic sludge-artificial ecological wetland composite system | |
| CN207284558U (en) | A kind of mine plant sprinkler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |