CN113735385A - Breeding wastewater treatment device and treatment method thereof - Google Patents
Breeding wastewater treatment device and treatment method thereof Download PDFInfo
- Publication number
- CN113735385A CN113735385A CN202111123528.4A CN202111123528A CN113735385A CN 113735385 A CN113735385 A CN 113735385A CN 202111123528 A CN202111123528 A CN 202111123528A CN 113735385 A CN113735385 A CN 113735385A
- Authority
- CN
- China
- Prior art keywords
- tank
- mbr
- aeration
- water body
- filter
- 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
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 28
- 238000009395 breeding Methods 0.000 title claims description 4
- 230000001488 breeding effect Effects 0.000 title claims description 4
- 238000000034 method Methods 0.000 title abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 180
- 238000005273 aeration Methods 0.000 claims abstract description 111
- 238000004062 sedimentation Methods 0.000 claims abstract description 64
- 238000003756 stirring Methods 0.000 claims abstract description 53
- 238000000746 purification Methods 0.000 claims abstract description 43
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 239000002351 wastewater Substances 0.000 claims abstract description 18
- 238000005276 aerator Methods 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000009360 aquaculture Methods 0.000 claims description 26
- 244000144974 aquaculture Species 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 11
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 12
- 231100000614 poison Toxicity 0.000 description 10
- 239000003440 toxic substance Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 239000011859 microparticle Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- -1 chlorine ions Chemical class 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a culture wastewater treatment device and a treatment method thereof, which relate to the technical field of culture wastewater purification and comprise a filtering component, a precipitation component, an MBR treatment tank and a purification barrel which are sequentially communicated; the filter assembly is provided with a blending tank, the bottom of the blending tank is provided with a sewage outlet connected with a sewage discharge pipeline, a stirring piece is vertically arranged in the blending tank, a pH adjusting device is arranged in the blending tank, the blending tank is connected with a filter tank, and a plurality of vertical filter columns which are closely arranged are arranged in the filter tank; the sedimentation assembly comprises a plurality of sedimentation tanks communicated through communication pipelines; the MBR treatment tank comprises an MBR assembly, the MBR assembly is arranged on the inner wall of the MBR treatment tank in a surrounding manner, an aeration disc is arranged at the bottom of the MBR treatment tank, and an aerator platform is arranged at the side of the MBR treatment tank; the inner part of the purification barrel is provided with an ultraviolet lamp tube which is arranged around the barrel wall, the inner bottom end of the purification barrel is provided with an ultrafiltration membrane, and the bottom end of the purification barrel is provided with a drain pipe. Can reduce the treatment process and cost, further treat the temperature and oxygen content of the water body, and improve the treatment of the particles and the nitrogen and the chlorine.
Description
Technical Field
The invention relates to the technical field of aquaculture wastewater purification, in particular to an aquaculture wastewater treatment device and a treatment method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
With the continuous improvement of living standard of people, the requirement of people on environment is also continuously improved, how to effectively treat the wastes in the aquaculture industry becomes a big problem which troubles the environmental workers in the world at present, and the treatment of most of the aquaculture waste water in China still stays in a simple treatment state, wherein the COD discharge capacity is 2 times of the discharge capacity of industrial and urban domestic wastes.
For example, the prior publication No. CN 109824212A, named as 'a cultivation wastewater treatment system', can well reduce the treatment cost, the treated sewage meets the standard, the generated sludge to be discharged is about one fifth of the sludge in the conventional process, and the cost is further saved.
It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.
Disclosure of Invention
The invention aims to provide a culture wastewater treatment device and a treatment method thereof, which can realize a shorter and faster treatment process and a better treatment effect, further treat the temperature and oxygen content of a water body, and simultaneously improve the treatment level of particulate matters and nitrogen and chlorine.
The technical scheme adopted by the invention for realizing the purpose is as follows:
an aquaculture wastewater treatment apparatus comprising:
filtration assembly, filtration assembly include the allotment pond, and the water inlet in allotment pond is connected and is bred waste pipe, and allotment bottom of the pool central authorities has the drain, and the drain is connected, and the inside central authorities in allotment pond are equipped with the stirring piece perpendicularly, and stirring piece top is connected with the motor, are equipped with pH adjusting device in the allotment pond, and the filtration pond is connected to the allotment pond, is equipped with a plurality of closely arranged vertical filtration post in the filtration pond.
According to the invention, the mixing tank is provided with the stirring piece, the stirring piece can mix the culture wastewater entering the mixing tank, and the sewage outlet at the bottom of the culture tank can discharge large particles and insoluble substances in most of water, so that the water can be filtered in the next step. Compared with the prior art that the water body is acidified in the second step or the third step, the method has the advantages that the device in the first treatment step can be corroded by the aquaculture wastewater, so that the service life is shortened, the total flow of aquaculture wastewater treatment is favorably shortened, and the treatment efficiency is improved. The service life of the wastewater treatment device can be greatly prolonged in the long-time use process, and the maintenance and the repair of equipment are facilitated.
According to the invention, a plurality of vertical filter columns which are closely arranged are arranged in the filter tank, resistance is formed on the flow of the water body through the filter columns which are arranged at intervals, the water body needs to flow along the surfaces of the filter columns or gaps among the filter columns, so that particles in the water body are easy to contact with the surfaces of the filter columns, the flow velocity of the particles is reduced or the particles are settled to the bottom, meanwhile, the water body flows through the gaps among the filter columns or along the surfaces of the filter columns, the heat exchange between the water body and the filter columns is facilitated, the heat is transferred by the upper part and the lower part of the filter columns to equalize the upper temperature and the lower temperature in the space, the temperature of the water body is further equalized, the subsequent aeration effect of the water body is further promoted, and the problem that the aeration is unbalanced or the air bubbles are not uniformly distributed due to the temperature difference of the water body is avoided. Compared with the prior art, the invention solves the problem of larger filtering field of fine particles or small suspended matters, and simultaneously solves the problem of unbalanced water temperatures of upper and lower water bodies or different flow sections which are easy to generate in the filtering process, thereby being beneficial to the subsequent balanced aeration and balanced oxygen supply of the water bodies.
The sedimentation component is connected to the filtering ponds, and the sedimentation component comprises a plurality of communicated sedimentation tanks, wherein the water inlet of each sedimentation tank is located at the lower end, the water outlet of each sedimentation tank is located at the upper end, and the sedimentation tanks are connected in series through a communication pipeline. The bottom end of the rear end of the filter tank is provided with a pipeline, and the filter tank is connected with the sedimentation tank at the head end of the sedimentation component through the pipeline.
According to the invention, fine suspended matters and part of toxic substances in the water body can be effectively reduced through the sedimentation tank, so that the quality of the discharged water body is improved, the water purification efficiency is greatly improved under the mutual connection effect of the plurality of sedimentation tanks, compared with the prior art, the efficiency of sedimentation of the suspended matters and the toxic substances is improved through the serial connection of the plurality of sedimentation tanks, and meanwhile, the occupied area is also greatly reduced.
MBR treatment tank, the MBR treatment tank is connected to the sedimentation subassembly, MBR treatment tank includes the MBR subassembly, the MBR subassembly encircles and sets up on MBR treatment tank inner wall, the MBR subassembly includes MBR biomembrane and mounting, be provided with the aeration dish on the central authorities bottom of MBR treatment tank, the aeration dish is coaxial with MBR treatment tank, MBR treatment tank limit is equipped with a platform, be equipped with the aerator on the platform, the aeration dish is connected through first trachea to the aerator. The water outlet at the bottom end of the sedimentation tank at the tail end in the sedimentation component is connected with an MBR treatment tank through a pipeline.
Based on research on MBR-based completely autotrophic nitrogen removal process (CANON) performance and microbial characteristics, the MBR biological membrane can be used for removing ammonia nitrogen and refractory organic matters, and meanwhile, micro bubbles can vibrate on the surface of the MBR biological membrane under the aeration action of the aeration disc to remove sludge and other pollutants on the surface of the MBR biological membrane. Meanwhile, bubbles formed by aeration are utilized to form bubbles in a water purification environment to adsorb micro suspended matters or particles in the water body, and the micro particles or suspended matters are taken away by the floating bubbles, so that the accumulation of toxic substances and the like in water can be avoided, and dissolved oxygen is also input into the water body to improve the quality of the water quality of the discharged water body.
Purification barrel, processing pool connect clean bucket, and the inside ultraviolet tube of establishing of purification barrel, ultraviolet tube encircle arrange at the purification barrel inner wall, and the bottom is equipped with the milipore filter in the purification barrel, and the purification barrel bottom is equipped with the drain pipe.
Ultraviolet lamp tubes in the purification barrel can effectively kill bacteria, and then the water body can be filtered by the ultrafiltration membrane to remove chloride ions, most viruses and other harmful substances.
The filtering component, the sedimentation component, the MBR treatment tank and the purification component are sequentially arranged and communicated.
According to one embodiment of the invention, the stirring piece comprises a stirring shaft, wherein rectangular stirring blades are arranged at the bottom of the stirring shaft in a surrounding manner, brush plates are arranged on the surfaces of the square stirring blades facing the bottom of the blending tank, wing-shaped stirring blades are arranged at the middle of the stirring shaft in a surrounding manner, and a fixed included angle is formed between each wing-shaped stirring blade and the stirring shaft. The mixing speed of the water body is greatly improved under the action of the rectangular stirring blades surrounding the bottom and the wing-shaped stirring blades arranged in the middle, and the pH value in the blending pool can be accelerated under the combined action of the rectangular stirring blades and the wing-shaped stirring blades and is stabilized between 6 and 8; meanwhile, the stirring blades can intercept water entering from a culture wastewater pipeline, the impact force of water entering the blending tank is reduced, the pH in the blending tank is more stable and faster to adjust, and large-block precipitates and insoluble substances are promoted to settle, so that the discharge of the large-block precipitates and the insoluble substances from a drain outlet at the bottom of the blending tank is accelerated. Meanwhile, the brush plate at the bottom of the square stirring blade can collect insoluble substances and sediments settled at the bottom of the tank, and quickly collect the insoluble substances and sediments to a sewage discharge outlet for discharge, so that the situation that the bottom is piled up too much to generate toxic substances to further deteriorate the water quality is prevented.
According to one embodiment of the invention, the filtering tank is a rectangular tank, the filtering tank is communicated with the blending tank through a rectangular open slot, a horizontal partition plate is arranged in the filtering tank, the filtering tank is divided into a serpentine passage by the partition plate, and the filtering columns are closely arranged in the passage. The invention divides the filter tank into the serpentine passage through the partition plate, prolongs the path and time of water passing through the filter tank, the filter columns are tightly arranged in the serpentine passage, the water needs to flow along the gaps between the filter columns and the partition plate or the filter columns, and the particulate matters in the water are easier to contact with the surface of the filter columns so as to reduce the flow velocity of the particulate matters or enable the particulate matters to sink to the bottom. Meanwhile, when the water body passes through a longer passage, the temperature of the water body is more stable and balanced under the adjustment of the filter column, so that the aeration of the water body is more balanced and the distribution of bubbles is balanced in the later aeration process.
According to one embodiment of the invention, the surface of the filter column is uniformly surrounded by the columnar bodies, the axis of the columnar bodies and the axis of the filter column form a fixed included angle, and the end parts of the columnar bodies are hemispherical surfaces. The water velocity of the water body flowing through the filter tank is further reduced by uniformly surrounding the cylindrical bodies on the surface of the filter column, the effect of particle sedimentation is improved, the surface area of the filter column is increased, and the heat distribution of the water body is more uniform than that without the cylindrical bodies when the water body passes through.
According to one embodiment of the invention, the bottom of the sedimentation tank is provided with an elastic filter screen, the top of the center of the elastic filter screen is provided with a floating block, an aeration pipe is arranged above the floating block, the aeration pipe is coaxial with the sedimentation tank, an aeration opening of the aeration pipe is opposite to the floating block, and an air inlet end of the aeration pipe is connected with an aerator through a second air pipe. When a water body passes through the elastic filter screen, the water body is filtered, the floating block can drive the elastic filter screen to float up and down to filter the entering water body and regulate the inflow velocity, the upper aeration pipe can push the floating block to float up and down in a working state to regulate the inflow velocity, the contact amount of the water body and aeration gas is improved, bubbles formed by aeration are facilitated to enable fine particles in the water body to float up, the water body flowing in the sedimentation tank is facilitated, and the water temperature of sewage at each position in the sedimentation tank is facilitated to settle large particles and organic compounds in the water body to be decomposed in an aeration and elastic filter screen floating mode.
According to one embodiment of the invention, the top surface of the aeration disc is opposite to the bottom surface of the MBR treatment tank, the bottom of the aeration disc is fixedly connected with a horizontal hard rod and is connected with the MBR treatment tank, the bottom of the aeration disc is connected with a first air pipe, the top surface of the aeration disc is provided with a protruding lotus-shaped nozzle, the top surface of the aeration disc is provided with a step-shaped concentric circle, the middle of the top surface of the aeration disc is high, the two sides of the top surface of the aeration disc are low, the edges of the concentric circles on the top surface of the aeration disc are provided with baffles, the baffles are annular bodies, the top ends of the annular bodies extend outwards, the vicinity of the inner sides of the baffles is provided with aeration holes in a surrounding manner, and the aeration holes are communicated with the bottom of the aeration disc. The design of the aeration disc of the invention can lead the bubbles to be uniformly discharged from each aeration hole, which is beneficial to the uniformity of aeration, and the aeration nozzle is designed into a shower-shaped nozzle which is beneficial to the dispersion of the discharged gas to the periphery, thereby accelerating the mixing of the gas and the water body. The invention forms bubbles to adsorb micro suspended matters or particles in the water body in the water purification environment through the bubbles formed by aeration of the aeration disc, and the micro particles or suspended matters are carried away through the floating bubbles, so that the accumulation of toxic substances and the like in water can be avoided, and the quality of the discharged water body is improved by inputting dissolved oxygen into the water body.
Meanwhile, the design of the aeration disc can reduce the problem of resuspension or upward fluid disorder caused by a large amount of disturbance of the fluid at the bottom, also avoid the inhabitation places of bacteria and the like formed at the bottom of the water body, and form upward thrust, which is favorable for pushing part of organisms such as the bacteria and the like to the surface of the water body to be collected and discharged.
According to one embodiment of the invention, a wave generator is arranged at the bottom of the MBR treatment tank. According to the invention, the wave generator is arranged in the MBR treatment tank, so that the water body in the MBR treatment tank can flow, the contact between the water body and the MBR component is accelerated, the efficiency and the capacity of water decontamination are increased, and meanwhile, the MBR component can be vibrated, so that the MBR biological membrane is vibrated, and the sludge and other dirt on the surface of the MBR biological membrane is removed.
According to one embodiment of the invention, a water body detector is arranged at the upper layer of the MBR treatment tank. And when the water quality detected by the water detector reaches the standard, discharging the water in the MBR treatment tank to the purification barrel.
The invention also provides a culture wastewater treatment method, which comprises the following steps:
s1, feeding the aquaculture wastewater into a blending tank through an aquaculture wastewater pipeline, discharging large precipitates through a drain outlet, adjusting the pH of the residual water body through a pH adjusting device, stirring the residual water body by a stirring piece, feeding the residual water body into a filtering tank,
s2, intercepting small particles by a filter column and a columnar body when the water body passes through the filter tank, and enabling the filtered water body to enter a sedimentation tank;
s3, filtering the water body by a plurality of sedimentation tank elastic filter screens and aerating by an aerator pipe, and then entering an MBR treatment tank;
s4, treating the water body in an MBR treatment tank by an MBR assembly to greatly reduce the COD concentration, adsorbing micro suspended matters or particulate matters in the water by an aeration disc and increasing the oxygen content in the water, and feeding the water body after the water body detection treatment into a purification barrel;
and S5, filtering the water body in the purification barrel by an ultraviolet lamp and an ultrafiltration membrane to reach the discharge standard, and discharging or recycling the water body through a drain pipe.
Compared with the prior art, the invention has the beneficial effects that: (1) compared with the traditional aquaculture wastewater treatment, the flow is shorter, the wastewater treatment time is shorter, and the treated water quality is not reduced; (2) the filter tank is internally provided with the partition plates and the filter columns which are closely arranged, and meanwhile, the filter columns are annularly provided with the columnar bodies, so that the sedimentation of particles is promoted, and the heat of a water body is balanced; (3) under the combined action of the floating block, the elastic filter screen and the aeration pipe in the sedimentation tank, the water inflow velocity can be automatically regulated and controlled, bubbles formed by aeration enable fine particles in the water to move upwards and promote the water in the sedimentation tank to flow, and the sewage water temperature at each position in the sedimentation tank is favorable for the sedimentation of large particles and the decomposition of organic compounds in the water through aeration and the floating mode of the elastic filter screen. (4) The design of aeration dish is favorable to gaseous dispersion and the water and the mixing between the gas, and aeration dish can reduce the problem that a large amount of disturbances of bottom fluid cause resuspension or upward fluid disorder simultaneously, also avoids the water bottom to form habitation places such as bacterium.
Drawings
FIG. 1 is a schematic view of a cultivation wastewater treatment apparatus;
FIG. 2 is an isometric view of a filter assembly;
FIG. 3 is a top view of the filter assembly;
FIG. 4 is a cross-sectional view of the filter assembly A-A;
FIG. 5 is a front view of a filter column;
FIG. 6 is a sectional view of a settling tank;
FIG. 7 is an isometric view of an MBR treatment tank;
FIG. 8 is a top view of an MBR treatment tank;
FIG. 9 is an isometric view of an aeration disc;
FIG. 10 is a cross-sectional view of an aeration disk;
fig. 11 is a sectional view of the purification tank.
Reference numerals:
100. the device comprises a mixing tank, 101, a breeding wastewater pipeline, 102, a sewage outlet, 103, a sewage pipeline, 104, a stirring piece, 1041, a stirring shaft, 1042, a rectangular stirring blade, 1043, a brush plate, 1044, a wing-shaped stirring blade, 105, a motor, 106, a pH adjusting device, 200, a filtering tank, 201, a filtering column, 2011, a columnar body, 300, a settling assembly, 310, a settling tank, 311, an elastic filter screen, 312, a floating block, 313, an aeration pipe, 320, a communication pipeline, 400, an MBR treatment tank, 410, an MBR assembly, 420, an aeration disc, 421, a hard rod, 422, an injection head, 423, a baffle, 424, an aeration hole, 430, an aerator, 431, a first air pipe, 432, a second air pipe, 440, a wave maker, 450, a water body detector, 500, a purification barrel, 501, an ultraviolet lamp tube, 502, an ultrafiltration membrane, 503 and a drain pipe.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:
example 1:
an aquaculture wastewater treatment apparatus comprising:
as shown in fig. 1, 2, 3, 4, the filtering component includes two allocation ponds 100, each allocation pond 100 is connected with an independent aquaculture wastewater pipeline 101, the central part of the bottom of each allocation pond 100 is provided with a sewage outlet 102, the sewage outlet 102 is connected with a sewage outlet 103, the central part inside the allocation pond 100 is vertically provided with a stirring piece 104, the top of the stirring piece 104 is connected with an independent motor 105, each allocation pond 100 is provided with an independent pH adjusting device 106, each allocation pond 100 is connected with an independent filtering pond 200, and a plurality of closely-arranged vertical filtering columns 201 are arranged in the filtering pond 200.
According to the invention, the mixing tank 100 is provided with the stirring piece 104, the stirring piece 104 can mix the culture wastewater entering the mixing tank 100, and the sewage outlet 102 at the bottom of the culture tank can discharge most of large particles and insoluble substances in the water body, so that the water body can be filtered in the next step. Meanwhile, the pH adjusting device 106 is arranged in the blending tank 100, compared with the prior art that the water body is acidified in the second step or the third step, the problem that the aquaculture wastewater can corrode devices in the first treatment steps is solved, the service life is shortened, the total flow of aquaculture wastewater treatment is favorably shortened, and the treatment efficiency is improved. The service life of the wastewater treatment device can be greatly prolonged in the long-time use process, and the maintenance and the repair of equipment are facilitated.
As shown in fig. 3, a plurality of vertical filter columns 201 are arranged in each filter tank 200, the vertical filter columns 201 are arranged closely, the filter columns 201 are made of alloy, resistance is formed on the flow of the water body through the filter columns 201 arranged at intervals, the water body needs to flow along the surfaces of the filter columns 201 or gaps between the filter columns 201, then the particles in the water body are easily contacted with the surfaces of the filter columns 201, the flow rate of the particles is reduced or the particles are settled to the bottom, meanwhile, the water body flows through the gaps of the filter columns 201 or along the surfaces of the filter columns 201, which is beneficial to promoting the heat exchange between the water body and the filter columns 201, the heat is conducted by the upper and lower parts of the filter columns 201 to balance the upper and lower temperatures in the space, which is beneficial to balancing the temperature of the water body, further promoting the subsequent aeration effect of the water body, and avoiding the problem that the aeration is unbalanced or the air bubbles are not uniformly distributed due to the temperature difference of the water body. Compared with the prior art, the invention solves the problem of larger filtering field of fine particles or small suspended matters, and simultaneously solves the problem of unbalanced water temperatures of upper and lower water bodies or different flow sections which are easy to generate in the filtering process, thereby being beneficial to the subsequent balanced aeration and balanced oxygen supply of the water bodies.
As shown in fig. 1 and 6, the sedimentation assembly 300 and the filtration tank 200 are connected with the sedimentation assembly 300, the sedimentation assembly 300 comprises four connected sedimentation tanks 310, the water inlet of the sedimentation tank 310 is arranged at the lower end, the water outlet of the sedimentation tank 310 is arranged at the upper end, and the sedimentation tanks 310 are connected through a communication pipeline 320.
According to the invention, fine suspended matters and part of toxic substances in the water body can be effectively reduced through the sedimentation tanks 310, so that the quality of the discharged water body is improved, the water purification efficiency is greatly improved under the mutual connection effect of the four sedimentation tanks 310, compared with the prior art, the efficiency of sedimentation of the suspended matters and the toxic substances is improved through the serial connection of the four sedimentation tanks 310, and meanwhile, the occupied area is also greatly reduced.
As shown in fig. 7 and 8, the MBR treatment tank 400, the settling module 300 is connected to the MBR treatment tank 400, the MBR treatment tank 400 includes MBR modules 410, the MBR modules 410 are disposed around the inner wall of the MBR treatment tank 400, the MBR modules 410 include MBR biofilms and fixing members, 10 to 20 MBR modules 410 are disposed around the MBR modules, an aeration plate 420 is disposed on the central bottom of the MBR treatment tank 400, the aeration plate 420 is coaxial with the MBR treatment tank 400, a platform is disposed at the edge of the MBR treatment tank 400, an aerator 430 is disposed on the platform, and the aerator 430 is connected to the aeration plate 420 through a first air pipe 431. The water outlet at the bottom end of the sedimentation tank 310 at the tail end of the sedimentation assembly 300 is connected with the MBR treatment tank 400 through a pipeline.
The MBR biological membrane can be used for removing ammonia nitrogen and organic matters difficult to degrade, meanwhile, under the aeration action of the aeration disc 420, micro bubbles can vibrate on the surface of the MBR biological membrane to remove sludge and other dirt on the surface of the MBR biological membrane, and in addition, compared with other treatment tanks, the MBR treatment tank 400 has the advantages of small floor area, less sludge generation and the like. Meanwhile, bubbles formed by aeration are utilized to form bubbles in a water purification environment to adsorb micro suspended matters or particles in the water body, and the micro particles or suspended matters are taken away by the floating bubbles, so that the accumulation of toxic substances and the like in water can be avoided, and dissolved oxygen is also input into the water body to improve the quality of the water quality of the discharged water body.
As shown in fig. 11, the purification barrel 500 is connected to the purification tank, the ultraviolet lamp 501 is disposed inside the purification barrel 500, the ultraviolet lamp 501 is disposed around the inner wall of the purification barrel 500, the ultrafiltration membrane 502 is disposed at the bottom end of the purification barrel 500, and the drain pipe 503 is disposed at the bottom end of the purification barrel 500.
The ultraviolet lamp tubes 501 in the purification barrel 500 can effectively kill bacteria, and then chlorine ions, most viruses and other harmful substances can be filtered out of the water body through the ultrafiltration membranes 502.
The filtering component, the sedimentation component 300, the MBR treatment tank 400 and the purification component are sequentially arranged and communicated.
As shown in fig. 4, the stirring member 104 includes a stirring shaft 1041, a rectangular stirring blade 1042 is circumferentially disposed at the bottom of the stirring shaft 1041, a brush plate 1043 is disposed on the bottom surface of the square stirring blade facing the blending tank 100, an airfoil stirring blade 1044 is circumferentially disposed at the middle of the stirring shaft 1041, and a fixed included angle is formed between the airfoil stirring blade 1044 and the stirring shaft 1041. The rectangular stirring blades 1042 surrounding the bottom and the wing-shaped stirring blades 1044 arranged in the middle greatly improve the mixing speed of the water body, and can accelerate the pH value in the blending tank 100 under the combined action of the pH adjusting device 106, so that the pH value is stabilized between 6 and 8; meanwhile, the stirring blades can intercept water entering from the culture wastewater pipeline 101, the impact force of the water body entering the blending tank 100 is reduced, the pH value in the blending tank 100 is more stably and quickly adjusted, and the settlement of large sediments and insoluble substances is promoted, so that the discharge of the large sediments and the insoluble substances from the sewage outlet 102 at the bottom of the blending tank 100 is accelerated. Meanwhile, the brush plate 1043 at the bottom of the square stirring blade can collect the insoluble substances and sediments settled at the bottom of the tank, and quickly collect the insoluble substances and sediments to the sewage outlet 102 for discharge, so that the toxic substances generated due to excessive bottom accumulation are prevented.
As shown in fig. 2, 3 and 4, the filtering tank 200 is a rectangular tank, the filtering tank 200 is communicated with the blending tank 100 through a rectangular slot, a horizontal partition plate is arranged in the filtering tank 200, the partition plate divides the filtering tank 200 into a serpentine passage, and the filtering columns 201 are closely arranged in the passage. According to the invention, the filter tank 200 is divided into the serpentine passage by the partition plate, so that the path and time of water passing through the filter tank 200 are prolonged, the filter columns 201 are tightly arranged in the serpentine passage, the water needs to flow along gaps between the filter columns 201 and the partition plate or the filter columns 201, and particles in the water are easier to contact with the surfaces of the filter columns 201, so that the flow velocity of the particles is reduced or the particles are settled to the bottom. Meanwhile, when the water body passes through a longer passage, the temperature of the water body is more stable and balanced under the regulation of the filter column 201, so that the aeration of the water body is more balanced and the distribution of bubbles is balanced in the later aeration process.
As shown in fig. 4 and 5, a cylindrical body 2011 is uniformly arranged on the surface of the filter column 201 in a surrounding manner, the axis of the cylindrical body 2011 and the axis of the filter column 201 form a fixed included angle, and the end part of the cylindrical body 2011 is a hemispherical surface. The water velocity of the water body flowing through the filter tank 200 is further reduced by uniformly surrounding the cylindrical bodies 2011 on the surface of the filter column 201, the effect of particle sedimentation is improved, the surface area of the filter column 201 is increased, and the heat distribution of the water body is more uniform than that of the cylindrical bodies 2011.
As shown in fig. 6, an elastic filter screen 311 is arranged at the bottom of the sedimentation tank 310, a floating block 312 is arranged at the top of the center of the elastic filter screen 311, an aeration pipe 313 is arranged above the floating block 312, the aeration pipe 313 is coaxial with the sedimentation tank 310, an aeration opening of the aeration pipe 313 is arranged opposite to the floating block 312, and an air inlet end of the aeration pipe 313 is connected with an aerator 430 through a second air pipe 432. In the invention, when a water body passes through the elastic filter screen 311, the water body is filtered, the floating block 312 can drive the elastic filter screen 311 to float up and down to filter the entering water body and regulate the inflow velocity, the upper aeration pipe 313 can push the floating block 312 to float up and down to regulate the inflow velocity under the working state of downward aeration, the contact amount of the water body and aeration gas is improved, bubbles formed by aeration can be used for enabling fine particles in the water body to float up and promoting the water body in the sedimentation tank 310 to flow, and the water temperature of sewage at each position in the sedimentation tank 310 can be realized by aeration and the floating mode of the elastic filter screen 311 to facilitate the sedimentation of large particles and the decomposition of organic compounds in the water body.
As shown in fig. 9 and 10, the top surface of the aeration disc 420 is opposite to the bottom surface of the MBR treatment tank 400, the bottom of the aeration disc 420 is fixedly connected with a horizontal hard rod 421 to be connected with the MBR treatment tank 400, the bottom of the aeration disc 420 is connected with a first air pipe 431, a shower-shaped nozzle 422 is protruded on the top surface of the aeration disc 420, the top surface of the aeration disc 420 is set to be a step-shaped concentric circle, the middle of the top surface of the aeration disc 420 is high, the two sides of the top surface of the aeration disc 420 are low, a baffle 423 is arranged on the edge of each concentric circle on the top surface of the aeration disc 420, aeration holes 424 are arranged around the inner side of the baffle 423, and the aeration holes 424 are communicated with the bottom of the aeration disc 420. The design of the aeration disk 420 of the invention can ensure that bubbles can be uniformly discharged from each aeration hole 424, which is beneficial to the uniformity of aeration, and meanwhile, the aeration nozzle 422 is designed into a shower-shaped shape, which is beneficial to the dispersion of the discharged gas to the periphery, and can accelerate the mixing of the gas and the water body. The invention forms bubbles to adsorb micro suspended matters or particles in the water body in the water purification environment through the bubbles formed by aeration of the aeration disc 420, and the micro particles or suspended matters are carried away through the floating bubbles, so that the accumulation of toxic substances and the like in water can be avoided, and the quality of the discharged water body is improved by inputting dissolved oxygen into the water body.
Meanwhile, the design of the aeration disc 420 can reduce the problem of resuspension or upward fluid turbulence caused by a large amount of disturbance of the fluid at the bottom, also avoid inhabitation places such as bacteria and the like formed at the bottom of the water body, and form upward thrust, which is favorable for pushing part of organisms such as bacteria and the like to the surface of the water body to be collected and discharged.
As shown in fig. 7 and 8, a wave generator 440 is provided at the bottom of the MBR treatment tank 400. According to the invention, the wave generator 440 is arranged in the MBR treatment tank 400, so that the water in the MBR treatment tank 400 can flow, the contact between the water and the MBR component 410 is accelerated, the efficiency and capacity of water decontamination are increased, and meanwhile, the MBR component 410 can be vibrated, so that the MBR biological membrane is vibrated, and the sludge and other pollutants on the surface of the MBR biological membrane are removed.
As shown in fig. 7 and 8, a water body detector 450 is provided at an upper layer of the MBR treatment tank 400. When the water quality detected by the water detector 450 reaches the standard, the water in the MBR treatment tank 400 is discharged to the purification barrel 500.
The invention also provides a culture wastewater treatment method, which comprises the following steps:
s1, the aquaculture wastewater enters a blending tank 100 through an aquaculture wastewater pipeline 101, large precipitates are discharged through a sewage discharge outlet 102, the residual water body is subjected to pH adjustment through a pH adjusting device 106 and is stirred by a stirring piece 104 and then enters a filtering tank 200,
s2, intercepting small particles by the filter column 201 and the column 2011 when the water body passes through the filter tank 200, and enabling the filtered water body to enter the sedimentation tank 310;
s3, the water body is filtered by a plurality of elastic filter screens 311 of the sedimentation tank 310 and aerated by an aeration pipe 313, and then enters an MBR treatment tank 400;
s4, treating the water body in the MBR treatment tank 400 by the MBR assembly 410 to greatly reduce the COD concentration, adsorbing micro suspended matters or particulate matters in the water by the aeration disc 420 and increasing the oxygen content in the water, and feeding the water body after the water body detection treatment into the purification barrel 500;
s5, the water body can reach the discharge standard after being filtered by the ultraviolet lamp and the ultrafiltration membrane 502 in the purification barrel 500, and the water body can be discharged or recycled through the drain pipe 503.
The embodiments described above are intended to illustrate the technical solutions of the present invention in detail, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modification, supplement or similar substitution made within the scope of the principles of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An aquaculture wastewater treatment apparatus comprising:
the filter assembly comprises a blending tank (100), a water inlet of the blending tank (100) is connected with a breeding wastewater pipeline (101), a sewage outlet (102) is formed in the center of the bottom of the blending tank (100), the sewage outlet (102) is connected with a sewage pipeline (103), a stirring piece (104) is vertically arranged in the center of the interior of the blending tank (100), the top of the stirring piece (104) is connected with a motor (105), a pH adjusting device (106) is arranged in the blending tank (100), the blending tank (100) is connected with a filter tank (200), and a plurality of closely-arranged vertical filter columns (201) are arranged in the filter tank (200);
the sedimentation assembly (300) is connected with the filtering tank (200), the sedimentation assembly (300) comprises a plurality of communicated sedimentation tanks (310), the water inlets of the sedimentation tanks (310) are positioned at the lower end, the water outlets of the sedimentation tanks are positioned at the upper end, and the sedimentation tanks (310) are connected through a communication pipeline (320);
the device comprises an MBR treatment tank (400), wherein the sedimentation component (300) is connected with the MBR treatment tank (400), the MBR treatment tank (400) comprises an MBR component (410), the MBR component (410) is arranged on the inner wall of the MBR treatment tank (400) in a surrounding manner, the MBR component (410) comprises an MBR biological membrane and a fixing part, an aeration disc (420) is arranged on the central bottom of the MBR treatment tank (400), the aeration disc (420) is coaxial with the MBR treatment tank (400), a platform is arranged at the edge of the MBR treatment tank (400), an aerator (430) is arranged on the platform, and the aerator (430) is connected with the aeration disc (420) through a first air pipe (431);
the MBR treatment tank (400) is connected with the purification barrel (500), the ultraviolet lamp tubes (501) are arranged in the purification barrel (500), the ultraviolet lamp tubes (501) are arranged on the inner wall of the purification barrel (500) in a surrounding manner, ultrafiltration membranes (502) are arranged at the inner bottom end of the purification barrel (500), and a drain pipe (503) is arranged at the bottom end of the purification barrel (500);
wherein the filtering component, the sedimentation component (300), the MBR treatment tank (400) and the purification barrel (500) are sequentially communicated in an arranging way.
2. The aquaculture wastewater treatment device of claim 1, wherein: stirring piece (104) includes (mixing) shaft (1041), it is equipped with rectangle stirring leaf (1042) to call (mixing) shaft (1041) bottom encircleing, rectangle stirring leaf (1042) are equipped with brush board (1043) towards allotment pond (100) bottom face, (mixing) shaft (1041) middle part is encircleed and is equipped with wing section stirring leaf (1044), wing section stirring leaf (1044) has fixed contained angle with (mixing) shaft (1041).
3. The aquaculture wastewater treatment device of claim 2, wherein: the filter tank (200) is a rectangular tank, the filter tank (200) is communicated with the blending tank (100) through a rectangular slot, a horizontal partition plate is arranged in the filter tank (200), the filter tank (200) is divided into a snake-shaped passage by the partition plate, and the filter columns (201) are closely arranged in the passage.
4. The aquaculture wastewater treatment device of claim 3, wherein: the surface of the filter column (201) is uniformly surrounded by a column body (2011), the axis of the column body (2011) and the axis of the filter column (201) have a fixed included angle, and the end part of the column body (2011) is arranged into a hemispherical surface.
5. The aquaculture wastewater treatment device of claim 4, wherein: the sedimentation tank (310) bottom is equipped with elastic filter screen (311), elastic filter screen (311) central authorities top is equipped with floating block (312), floating block (312) top is equipped with aeration pipe (313), aeration pipe (313) are coaxial with sedimentation tank (310), aeration pipe (313) aeration mouth sets up with floating block (312) relatively, aeration pipe (313) air inlet end is connected with aerator (430) through second trachea (432).
6. The aquaculture wastewater treatment device of claim 5, wherein: the top surface of the aeration disc (420) is opposite to the bottom surface of the MBR treatment tank (400), the bottom of the aeration disc (420) is fixedly connected with a horizontal hard rod (421) and is connected with the edge of the MBR treatment tank (400), the bottom of the aeration disc (420) is connected with a first air pipe (431), the top surface of the aeration disc (420) is protruded with a shower-shaped nozzle (422), the top surface of the aeration disc (420) is set to be a step-shaped concentric circle, the edge of each concentric circle on the top surface of the aeration disc (420) is provided with a baffle (423), the baffle (423) is an annular body, the top end of the annular body extends outwards, the vicinity of the inner side of the baffle (423) is provided with aeration holes (424) in a surrounding manner, and the aeration holes (424) are communicated with the bottom of the aeration disc (420);
wherein, the middle of the top surface of the aeration disc (420) is high and two sides are low.
7. The aquaculture wastewater treatment device of claim 6, wherein: and a wave maker (440) is arranged at the bottom of the MBR treatment tank (400).
8. The aquaculture wastewater treatment device of claim 7, wherein: and a water body detector (450) is arranged at the upper layer in the MBR treatment tank (400).
9. A cultivation wastewater treatment method, which is characterized by adopting the cultivation wastewater treatment device of claim 8, and the cultivation wastewater treatment method comprises the following steps:
s1, feeding aquaculture wastewater into a blending tank (100) through an aquaculture wastewater pipeline (101), discharging large precipitates through a sewage discharge outlet (102), adjusting the pH of the residual water body through a pH adjusting device, stirring the residual water body by a stirring piece (104) and then feeding the residual water body into a filtering tank (200),
s2, intercepting small particles by a filter column (201) and a column body (2011) when the water body passes through the filter tank (200), and enabling the filtered water body to enter a sedimentation tank (310);
s3, the water body is filtered by a plurality of elastic filter screens (311) of the sedimentation tank (310) and aerated by an aeration pipe (313), and then enters an MBR treatment tank (400);
s4, treating the water body in an MBR (membrane bioreactor) treatment tank (400) by an MBR assembly (410) to greatly reduce COD concentration, aerating and adsorbing micro suspended matters or particulate matters in the water by an aeration disc (420) and improving the oxygen content in the water, and feeding the water body after the water body detection and treatment into a purification barrel (500);
s5, the water body can reach the discharge standard after being filtered by the ultraviolet lamp (501) and the ultrafiltration membrane (502) in the purification barrel (500), and the water body can be discharged or recycled through the drain pipe (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123528.4A CN113735385B (en) | 2021-09-24 | 2021-09-24 | Cultivation wastewater treatment device and treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123528.4A CN113735385B (en) | 2021-09-24 | 2021-09-24 | Cultivation wastewater treatment device and treatment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113735385A true CN113735385A (en) | 2021-12-03 |
| CN113735385B CN113735385B (en) | 2023-05-23 |
Family
ID=78740842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111123528.4A Active CN113735385B (en) | 2021-09-24 | 2021-09-24 | Cultivation wastewater treatment device and treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113735385B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114223608A (en) * | 2021-12-14 | 2022-03-25 | 浙江省海洋水产研究所 | Device and method for cleaning floating pollutants in sepiella maindroni fry pond |
| CN115572020A (en) * | 2022-11-09 | 2023-01-06 | 自然资源部第二海洋研究所 | Automatic monitoring device for dissolved inorganic carbon in sewage treatment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005100264A2 (en) * | 2004-04-06 | 2005-10-27 | Vost Environmental Technologies | Method and apparatus providing improved throughput and operating life of submerged membranes |
| US20110068058A1 (en) * | 2008-05-20 | 2011-03-24 | Beijing Ecojoy Water Technology Co., Ltd. | Apparatus and process for treating wastewater |
| CN109824212A (en) * | 2019-03-27 | 2019-05-31 | 武汉派宁环保技术有限公司 | A kind of culturing wastewater processing system |
| CN111392957A (en) * | 2019-09-12 | 2020-07-10 | 浙江海洋大学 | Breeding wastewater treatment device |
| CN113087314A (en) * | 2021-05-06 | 2021-07-09 | 广东新洁源环保工程有限公司 | Wastewater treatment system and treatment process |
-
2021
- 2021-09-24 CN CN202111123528.4A patent/CN113735385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005100264A2 (en) * | 2004-04-06 | 2005-10-27 | Vost Environmental Technologies | Method and apparatus providing improved throughput and operating life of submerged membranes |
| US20110068058A1 (en) * | 2008-05-20 | 2011-03-24 | Beijing Ecojoy Water Technology Co., Ltd. | Apparatus and process for treating wastewater |
| CN109824212A (en) * | 2019-03-27 | 2019-05-31 | 武汉派宁环保技术有限公司 | A kind of culturing wastewater processing system |
| CN111392957A (en) * | 2019-09-12 | 2020-07-10 | 浙江海洋大学 | Breeding wastewater treatment device |
| CN113087314A (en) * | 2021-05-06 | 2021-07-09 | 广东新洁源环保工程有限公司 | Wastewater treatment system and treatment process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114223608A (en) * | 2021-12-14 | 2022-03-25 | 浙江省海洋水产研究所 | Device and method for cleaning floating pollutants in sepiella maindroni fry pond |
| CN115572020A (en) * | 2022-11-09 | 2023-01-06 | 自然资源部第二海洋研究所 | Automatic monitoring device for dissolved inorganic carbon in sewage treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113735385B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113735385B (en) | Cultivation wastewater treatment device and treatment method thereof | |
| KR102013599B1 (en) | Scum removal system of sewage treatment plant using blowing device | |
| CN213112948U (en) | Integrated circulating culture system | |
| SE1051368A1 (en) | Water purifier and method for purifying water | |
| CN106007228A (en) | Integrated sewage treatment equipment based on ABR | |
| CN113371904B (en) | Biological slow filtering purification system and purification method for rural domestic sewage | |
| CN113582467A (en) | Integrated petrochemical wastewater multi-stage treatment device and method | |
| KR101814983B1 (en) | An apparatus for microorganism sludge holding | |
| CN105417862A (en) | Wastewater treatment system | |
| CN214299758U (en) | High-efficient flocculation and precipitation pond intensification ammonia nitrogen handles MBBR system | |
| CN210481140U (en) | Integrated sewage treatment system for sewage station | |
| CN116282678A (en) | Integrated assembly type sewage nitrogen and sand removal equipment | |
| CN109292968B (en) | Integrated sewage treatment device of polyaluminium chloride reinforced aerobic granular sludge membrane bioreactor | |
| CN105668779B (en) | A kind of circulating oxygenation biochemical device | |
| CN220174200U (en) | Sewage draining device and system for dredging and bottom-cleaning of fishpond | |
| CN205419912U (en) | Circulatingly oxygenate biochemical ware | |
| CN110668568A (en) | Multifunctional partitioned denitrification integrated method and equipment | |
| US10526221B2 (en) | System and method for static mixing in a EPT using a fluid containment assembly | |
| CN210103550U (en) | MBR sewage treatment device for resisting membrane pollution | |
| CN210122534U (en) | Eutrophic sewage treatment equipment | |
| CN218146149U (en) | Integration steel construction sewage treatment device | |
| CN220432475U (en) | Sewage treatment equipment integrating aeration and precipitation | |
| CN210825857U (en) | Distributed sewage treatment system | |
| CN209412045U (en) | Efficient BMR sewage-treatment plant | |
| CN218620480U (en) | Multistage staged aeration system |
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 |