CN104591443A - Circular treatment equipment for aquiculture agricultural waste water - Google Patents
Circular treatment equipment for aquiculture agricultural waste water Download PDFInfo
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- CN104591443A CN104591443A CN201510063021.2A CN201510063021A CN104591443A CN 104591443 A CN104591443 A CN 104591443A CN 201510063021 A CN201510063021 A CN 201510063021A CN 104591443 A CN104591443 A CN 104591443A
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- waste water
- flocculation
- oxygen
- aquaculture
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000009360 aquaculture Methods 0.000 title claims abstract description 32
- 239000002154 agricultural waste Substances 0.000 title abstract 5
- 238000005189 flocculation Methods 0.000 claims abstract description 47
- 230000016615 flocculation Effects 0.000 claims abstract description 44
- 239000002351 wastewater Substances 0.000 claims abstract description 32
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 21
- 238000005352 clarification Methods 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 36
- 230000003647 oxidation Effects 0.000 claims description 35
- 238000004659 sterilization and disinfection Methods 0.000 claims description 27
- 244000144974 aquaculture Species 0.000 claims description 23
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 13
- 238000004064 recycling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 26
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 abstract description 14
- 239000003337 fertilizer Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract 2
- 239000010802 sludge Substances 0.000 description 18
- 239000006260 foam Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 238000005273 aeration Methods 0.000 description 5
- 244000052616 bacterial pathogen Species 0.000 description 5
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- -1 hydroxyl radical free radical Chemical class 0.000 description 2
- 239000010812 mixed waste Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 241000589651 Zoogloea Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to circular treatment equipment for aquiculture agricultural waste water and belongs to the field of agricultural waste water treatment equipment. The equipment comprises a flocculation device, a clarification device and an oxidizing oxygenation device, wherein the flocculation device can flocculate solid particles in the wastewater; then, the waste water is clarified by the clarification device; the supernate overflows into the oxidizing oxygenation device and is oxidized and disinfected by ozone; and oxygen is added to improve the dissolved gas amount in water, so that obtained water can return to aquiculture. According to the circular treatment equipment for aquiculture agricultural waste water, provided by the invention, the agricultural waste water generated in the aquiculture process can be recycled, so that the equipment is low in cost, simple to operate and short in process flow. Moreover, the obtained silt can be returned to be used as a fertilizer for agricultural planting, and the quality of circular effluent is greatly improved and the circular effluent can be returned for aquiculture.
Description
Technical field
The present invention relates to agricultural effluent treatment facility field, be specifically related to a kind of recycling equipment of aquaculture agricultural effluent.
Background technology
Over nearly 20 years, intensive aquaculture industry at home and abroad develops rapidly.World Water output reached 1.2 hundred million t in 1996, and wherein 25% for propagating artificially.With this understanding, nitrogen contained by the feed thrown in breeding process, phosphorus approximately only have 9.1% and 17.4% to be assimilated by fish, the pollutent that its remaining feed and fish movement are formed causes severe contamination to water body, settling etc., causes the degeneration of shallow lake, causes marine site, local that red tide occurs; All kinds of pharmaceutical chemicals used in aquaculture and antibiotic residue also pollute water environment, some biological habitats are destroyed, disturbs procreation and the existence of wild stocks, species diversity is reduced; Water pollution simultaneously restricts the development of aquaculture conversely, and therefore, process and the recycle of aquiculture waste water receive publicity gradually.Aquiculture waste water treatment process mainly contains physical treatment process, method of chemical treatment, physicochemical treatment method, biological treatment.
1 physical treatment process 1) filtration method is because the major parts such as the residual bait of the residue in breeding wastewater and aquaculture organism movement are with the existence of suspended state macrobead form, and therefore adopting physical filtering method to remove is method the most quick, economic.Conventional filter plant has mechanical filter, pressure filter, sand filter etc.In actual treatment engineering, mechanical filter (Microfilter) is more, the good mode of filter effect of application.Zeolite filter has filtration and adsorption function concurrently, not only can remove suspended substance, simultaneously again can by dissolved pollutants such as the effective removal heavy metal of adsorption, ammonia nitrogens.
2) foamet foam separation is according to the principle of surface adsorption, and the bubble utilizing ventilation bubbling to be formed in the liquid phase is separated the solute in liquid phase or particle for carrier, is therefore separated also known as steel foams.Its principle passes into air in processed water body, make surfactant in water by micro-bubble sorption, and float to the water surface formation foam, then separating water surface foam with bubble, thus reach the object removing solubilised state and suspended pollutant in waste water.Because the organism such as protein not only can just be removed by foam separating technology before not being mineralized into amide and other toxic substances, avoid toxic substance to accumulate in water body, and necessary dissolved oxygen can be provided to aquaculture water, to safeguarding that aquaculture water ecotope has good action.
Foam separation is the principle according to absorption, to containing surfactant liquid in bubbling, the surfactant in liquid is made to be gathered on liquid-gas interface (surface of bubble), foam layer is formed above main body of liquid, foam layer and liquid phase main body are separated, just can reach the object of condensing surfaces active substance (at foam layer) and purification liquid phase main body.The material be concentrated can be surfactant, also can be can with the material of surfactant phase complexing, but they must possess can complexing or the huge legendary turtle ability of closing with the surfactant of a certain type.
2 methods of chemical treatment 1) there is the suspended substances such as aquaculture organism movement in ozonize method seawater industrial culturing waste water, and the material such as ammonia nitrogen, biodegradable organic, and there is refractory organic.Therefore, utilize the oxygenizement of the chemical oxidizing agents such as ozone, hydrogen peroxide, dioxide peroxide, sodium hypochlorite solution, oxygenolysis difficult for biological degradation dissolved organic matter is the Main Means of breeding wastewater advanced treatment.Therefore adopt O3/UV technique, the consumption that processing efficiency can reduce again ozone can be improved.The object of purification of water quality and water oxygenation can be reached with O3/UV technology purification lake water.The cleaning principle of ozone is that its redox potential in water is 2.07 V, higher than chlorine (1.36 V) and dioxide peroxide (1.5 V).It can destroy the cell walls (film) of Sum decomposition cell, and diffusion is infiltrated in cell rapidly, thus kills pathogenic bacteria.The intermediate material hydroxyl radical free radical (OH) that ozone decomposes in water, has very strong oxidisability, can decompose the organism that general oxygenant difficulty is decomposed.Therefore, use ozonize waste water, can either go out rapidly except objectionable impuritiess such as bacterium, virus and ammonia, oxygen in water can be increased again, thus reach the object of purifying aquaculture waste water.
2) electrochemical process electrochemistry is the science of research electricity and chemical reaction mutual relationship.Electricity and chemical reaction interact to have come by battery, and also can utilize high voltage electrostatic discharge to realize, the two is referred to as electrochemistry, and the latter is an electrochemical branch, claim discharge chemistry.In the process of aquiculture waste water, the result of study removing nitrite and the ammonia nitrogen dissolved in water by electrochemical process shows, the time that nitrite is removed completely and energy consumption reduce along with the increase of conductivity, when received current is 2A to the maximum, consume energy minimum, pH does not almost affect relative to received current and specific conductivity; Be conducive to the removal of nitrite in acid condition, alkaline condition is conducive to the removal of ammonia, and the removal speed of ammonia is lower than the removal speed of nitrite.
3 biological treatment activated sludge processes are main method of the biological wastewater treatment based on active sludge.Activated sludge process passes into air continuously in waste water, the sludge-like throw out formed because of aerobic microbial reproduction after certain hour.It is perched the micropopulation based on zoogloea, there is very strong absorption and the ability of oxidation of organic compounds.Typical activated sludge process is made up of aeration tank, settling tank, sludge recirculation system and excess sludge removal system.Sewage enters aeration tank and forms mixed solution together with the active sludge of backflow.From the pressurized air that air compressor station is sent here, by being laid on the air-diffuser bottom aeration tank, enter in sewage with the form of tiny bubble, object increases the dissolved oxygen content in sewage, mixed solution is also made to be in the state of vigorous agitation, shape suspended state.Dissolved oxygen, active sludge mix mutually with sewage, fully contact, and activated sludge reaction is normally carried out.First stage, the organic pollutant in sewage is adsorbed on zoogleic surface by activated sludge particles, and this is due to its huge specific surface area and polyose emplastic.Some larger molecular organicses are decomposed into small organic molecule under the effect of bacterium extracellular enzyme simultaneously.Subordinate phase, microorganism, under the condition of oxygen abundance, absorbs these organism, and oxygenolysis, form carbonic acid gas and water, the propagation procreation of part supply self.The result that activated sludge reaction carries out, dirty organic pollutants is degraded and is removed, and active sludge itself is multiplied growth, and sewage is then purified process.Mixed solution after activated sludge purification effect enters secondary sedimentation basins, and the active sludge suspended in mixed solution and other solid matters here precipitate and to be separated with water, and the sewage after clarification discharges system as process water.Mud through precipitation concentration is discharged bottom settling tank, and wherein major part is back to aeration tank as seed sludge, to ensure suspended sediment concentration in aeration tank and microorganism concn; The microorganism of propagation is discharged from system, is called " excess sludge ".In fact, pollutent has been transferred in these excess sludges to a great extent from sewage.
Summary of the invention
The present invention proposes a kind of recycling equipment of aquaculture agricultural effluent, the agricultural effluent produced in reusable edible aquaculture process, cost is low, simple to operate, technical process is short, and the mud obtained can return the fertilizer doing agricultural planting, the water water quality recycled improves greatly, can return and carry out aquaculture.
The technical solution used in the present invention is the recycling equipment being specifically achieved in that a kind of aquaculture agricultural effluent, comprise flocculation plant, clarifying plant and oxidation oxygen-increasing device, described flocculation plant comprises flocculation still, premixer is provided with bottom described flocculation still, described premixer's side is communicated with waste water inlet pipe with flocculation agent inlet pipe, the described flocculation agent inlet pipe the other end is connected with flocculation agent pump, described flocculation agent inlet pipe is provided with spinner-type flowmeter, the described waste water inlet pipe the other end is connected with waste water pump, described flocculation still inside is provided with stirring rake, described stirring rake top is connected with agitator motor, described flocculation still side top is provided with overflow port, the outlet of described overflow port is arranged on the side, top of clarifying plant, clarification inclined tube is provided with in described clarifying plant, described clarifying plant top opposite side is provided with clear liquor overflow port, described oxidation oxygen-increasing device comprises oxidation disinfection bath and oxygenation pond, the outlet of described clear liquor overflow port is arranged on the side, top of oxidation disinfection bath, ozonizer is provided with in described oxidation disinfection bath, over-pass is provided with between described oxidation disinfection bath and oxygenation pond, oxygen-adding tube is provided with in described oxygenation pond, water shoot is provided with bottom described oxygenation pond.
Be provided with relief outlet in the middle of described top, premixer, described relief outlet is in immediately below stirring rake.After waste water and flocculation agent mix in premixer, due to the draft of stirring, mixed waste water can be pumped in flocculation still.
Be be provided with mud relief outlet bottom tapered, described clarifying plant bottom described clarifying plant.Cleaning and the discharge of mud can be facilitated.
Described ozonizer passes into the bottom of oxidation disinfection bath, and described ozonizer is provided with multiple ventilating pit.More effectively can improve the oxidation of ozone and the efficiency of sterilization, overcome the shortcoming that ozone solubleness in water is little, improve the utilization ratio of ozone, reduce costs.
Described oxygen-adding tube is that dendritic, described oxygen-adding tube is provided with multiple aperture.Improve the efficiency of oxygen, increase the oxygen dissolution amount in water.
By mixing of waste water and flocculation agent, the deposition efficiency of mud can be made greatly to increase, improve the treatment capacity of waste water, decrease the time of waste water clarification, improve the efficiency of wastewater treatment.The deposition sloped tube simultaneously arranged, can solid sludge in effectively catching waste water, be tapered bottom clarifying plant simultaneously, tapered bottom is provided with mud relief outlet, the discharge of mud can be facilitated, be provided with ozonizer in simultaneous oxidation sterilization pool, ozonizer passes into the bottom of oxidation disinfection bath, ozonizer is provided with multiple ventilating pit.The oxidable ammonia nitrogen of ozone and organism, make it decompose, thus increase water quality, avoid the eutrophication of water, bacterium and pathogenic bacteria can kill by ozone simultaneously, avoid these bacteriums and pathogenic bacteria to cause the big area of aquatic products sick and dead, ozonizer is laid on bottom oxidation disinfection bath simultaneously, ozonizer is provided with multiple ventilating pit simultaneously, more effectively improve the oxidation of ozone and the efficiency of sterilization, overcome the shortcoming that ozone solubleness in water is little, improve the utilization ratio of ozone, reduce costs.Water after oxidation sterilizing enters oxygenation pond, is provided with oxygen-adding tube in oxygenation pond, and oxygen-adding tube is that dendritic, described oxygen-adding tube is provided with multiple aperture.Improve the efficiency of oxygen, increase the oxygen dissolution amount in water.
The invention has the beneficial effects as follows: the agricultural effluent produced in reusable edible aquaculture process, cost is low, simple to operate, technical process is short, and the mud obtained can return the fertilizer doing agricultural planting, the water water quality recycled improves greatly, can return and carry out aquaculture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1-flocculation plant, 2-clarifying plant, 3-is oxidized oxygen-increasing device, and 4-flocculates still, 5-premixer, 6-flocculation agent inlet pipe, 7-waste water inlet pipe, 8-flocculation agent pump, 9-spinner-type flowmeter, 10-waste water pump, 11-stirring rake, 12-agitator motor, 13-overflow port, 14-clarifies inclined tube, 15-clear liquor overflow port, 16-oxidation disinfection bath, 17-oxygenation pond, 18-ozonizer, 19-over-pass, 20-oxygen-adding tube, 21-water shoot, 22-relief outlet, 23-mud relief outlet.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
As accompanying drawing, the technical solution adopted for the present invention to solve the technical problems is: a kind of recycling equipment of aquaculture agricultural effluent, comprise flocculation plant 1, clarifying plant 2 and oxidation oxygen-increasing device 3, described flocculation plant 1 comprises flocculation still 4, premixer 5 is provided with bottom described flocculation still 4, described premixer 5 side is communicated with waste water inlet pipe 7 with flocculation agent inlet pipe 6, described flocculation agent inlet pipe 6 the other end is connected with flocculation agent pump 8, described flocculation agent inlet pipe 6 is provided with spinner-type flowmeter 9, described waste water inlet pipe 7 the other end is connected with waste water pump 10, described flocculation still 4 inside is provided with stirring rake 11, described stirring rake 11 top is connected with agitator motor 12, described flocculation still 4 side top is provided with overflow port 13, the outlet of described overflow port 13 is arranged on the side, top of clarifying plant 2, clarification inclined tube 14 is provided with in described clarifying plant 2, described clarifying plant 2 top opposite side is provided with clear liquor overflow port 15, described oxidation oxygen-increasing device 3 comprises oxidation disinfection bath 16 and oxygenation pond 17, the outlet of described clear liquor overflow port 15 is arranged on the side, top of oxidation disinfection bath 16, ozonizer 18 is provided with in described oxidation disinfection bath 16, over-pass 19 is provided with between described oxidation disinfection bath 16 and oxygenation pond 17, oxygen-adding tube 20 is provided with in described oxygenation pond 17, water shoot 21 is provided with bottom described oxygenation pond 17.
Be provided with relief outlet 22 in the middle of described top, premixer 5, described relief outlet 22 is in immediately below stirring rake 11.After waste water and flocculation agent mix in premixer, due to the draft of stirring, mixed waste water can be pumped in flocculation still.
Be be provided with mud relief outlet 23 bottom tapered, described clarifying plant 2 bottom described clarifying plant 2.Cleaning and the discharge of mud can be facilitated.
Described ozonizer 18 passes into the bottom of oxidation disinfection bath 16, and described ozonizer 18 is provided with multiple ventilating pit.More effectively can improve the oxidation of ozone and the efficiency of sterilization, overcome the shortcoming that ozone solubleness in water is little, improve the utilization ratio of ozone, reduce costs.
Described oxygen-adding tube 20 is that dendritic, described oxygen-adding tube 20 is provided with multiple aperture.Improve the efficiency of oxygen, increase the oxygen dissolution amount in water.
Waste water and flocculation agent are added according to certain ratio by waste water pump and flocculation agent pump, due to flocculation agent inlet pipe being provided with spinner-type flowmeter, can conveniently measure flocculation dosage, then flocculation agent enters the premixer in flocculation still together with waste water, tentatively mix, then discharging from relief outlet enters in flocculation still, through stirring, then flow in clarifying plant from overflow port, the deposition sloped tube that clarifying plant is arranged, can solid sludge in effectively catching waste water, be tapered bottom clarifying plant simultaneously, tapered bottom is provided with mud relief outlet, the discharge of mud can be facilitated, the supernatant liquor of clarification enters in oxidation disinfection bath from clear liquor overflow port, ozonizer is provided with in oxidation disinfection bath, ozonizer passes into the bottom of oxidation disinfection bath, ozonizer is provided with multiple ventilating pit.The oxidable ammonia nitrogen of ozone and organism, make it decompose, thus increase water quality, avoid the eutrophication of water, bacterium and pathogenic bacteria can kill by ozone simultaneously, avoid these bacteriums and pathogenic bacteria to cause the big area of aquatic products sick and dead, ozonizer is laid on bottom oxidation disinfection bath simultaneously, ozonizer is provided with multiple ventilating pit simultaneously, more effectively improve the oxidation of ozone and the efficiency of sterilization, overcome the shortcoming that ozone solubleness in water is little, improve the utilization ratio of ozone, reduce costs.Water after oxidation sterilizing enters oxygenation pond from over-pass, is provided with oxygen-adding tube in oxygenation pond, and oxygen-adding tube is that dendritic, described oxygen-adding tube is provided with multiple aperture.Improve the efficiency of oxygen, increase the oxygen dissolution amount in water.Water after oxygenation is discharged from water shoot, returns and carries out aquaculture, and the mud of discharging from mud relief outlet can return fertilizer as farm crop owing to being rich in N, P etc.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (5)
1. the recycling equipment of an aquaculture agricultural effluent, comprise flocculation plant (1), clarifying plant (2) and oxidation oxygen-increasing device (3), it is characterized in that: described flocculation plant (1) comprises flocculation still (4), described flocculation still (4) bottom is provided with premixer (5), described premixer (5) side is communicated with waste water inlet pipe (7) with flocculation agent inlet pipe (6), described flocculation agent inlet pipe (6) the other end is connected with flocculation agent pump (8), described flocculation agent inlet pipe (6) is provided with spinner-type flowmeter (9), described waste water inlet pipe (7) the other end is connected with waste water pump (10), described flocculation still (4) inside is provided with stirring rake (11), described stirring rake (11) top is connected with agitator motor (12), described flocculation still (4) side top is provided with overflow port (13), the outlet of described overflow port (13) is arranged on the side, top of clarifying plant (2), clarification inclined tube (14) is provided with in described clarifying plant (2), described clarifying plant (2) top opposite side is provided with clear liquor overflow port (15), described oxidation oxygen-increasing device (3) comprises oxidation disinfection bath (16) and oxygenation pond (17), the outlet of described clear liquor overflow port (15) is arranged on the side, top of oxidation disinfection bath (16), ozonizer (18) is provided with in described oxidation disinfection bath (16), over-pass (19) is provided with between described oxidation disinfection bath (16) and oxygenation pond (17), oxygen-adding tube (20) is provided with in described oxygenation pond (17), described oxygenation pond (17) bottom is provided with water shoot (21).
2. the recycling equipment of a kind of aquaculture agricultural effluent according to claim 1, is characterized in that: be provided with relief outlet (22) in the middle of described premixer (5) top, described relief outlet (22) is in immediately below stirring rake (11).
3. the recycling equipment of a kind of aquaculture agricultural effluent according to claim 1, is characterized in that: described clarifying plant (2) bottom is for tapered, and described clarifying plant (2) bottom is provided with mud relief outlet (23).
4. the recycling equipment of a kind of aquaculture agricultural effluent according to claim 1, is characterized in that: described ozonizer (18) passes into the bottom of oxidation disinfection bath (16), and described ozonizer (18) is provided with multiple ventilating pit.
5. the recycling equipment of a kind of aquaculture agricultural effluent according to claim 1, is characterized in that: described oxygen-adding tube (20), for dendritic, described oxygen-adding tube (20) is provided with multiple aperture.
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| CN107739126A (en) * | 2017-10-18 | 2018-02-27 | 安徽工程大学 | A kind of sewage recycling device for livestock and poultry cultivation |
| CN108394999A (en) * | 2018-04-25 | 2018-08-14 | 上海海洋大学 | Recycle the biofiltration device and its control method of shallow water cultivating system |
| CN113072206A (en) * | 2021-03-26 | 2021-07-06 | 江西清绿环保有限公司 | Unpowered slag separation tank for pig raising wastewater |
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