CN204714652U - A kind of industrialized culture circular water treating system - Google Patents
A kind of industrialized culture circular water treating system Download PDFInfo
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- CN204714652U CN204714652U CN201520177983.6U CN201520177983U CN204714652U CN 204714652 U CN204714652 U CN 204714652U CN 201520177983 U CN201520177983 U CN 201520177983U CN 204714652 U CN204714652 U CN 204714652U
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Abstract
The utility model discloses a kind of industrialized culture circular water treating system, this system comprises fishpond, settling tank, Microfilter, protein segregating unit, biological removal of nitrogen device and ultra-violet sterilization equipment and pure oxygen machine, above-mentioned each equipment is communicated with successively and forms a set of closed recycle system, waste water in fishpond is finally back in fishpond after circular treatment, the utility model is compared with general circulating water treatment flow process, this cover culturing wastewater processing system is by the reasonable setting to each water treatment link, effectively can remove the solid suspension composition granule in breeding wastewater body, remarkable reduction ammonia nitrogen concentration, increase the oxyty of breeding wastewater body and water body is effectively sterilized.In whole system flow process, add the link of kelp process breeding wastewater, significantly reduce the concentration of ammonia nitrogen and inorganic nutrient salt.
Description
Technical field
The utility model relates to a kind of circular water treating system, relates to the circulation of a kind of industrialized culture specifically
Water treatment system, belongs to sea farming system technical field.
Background technology
Seawater efficient industrial cultivation system mainly comprises the industrialized culture of seawater fish, prawn, Bao, sea cucumber and algae, its principal character utilizes water technology to be recycled after treatment by the water that industrialized culture is discharged, and reclaim Posterior circle use by the comprehensive treating process of efflux wastewater, be a kind of energy-saving and environmental protection, efficiently factorial praluction mode, its core content is the circulating treating system of breeding wastewater body.
But take a broad view of present situation and the overall technology level of China's industrialized culture circulating water treatment, still there is this and promote comprehensively not, technology needs to create news.Especially existing water treatment system purification efficiency is not high, technology content is lower and running cost is higher.
Utility model content
Problem to be solved in the utility model is on the basis of research industrialized culture circular water treating system both domestic and external, a kind of new industrialized culture circular water treating system is provided, by the reasonable setting to systems such as physical filtering, biofiltration, ultra-violet sterilization, ozone sterilization and pure oxygen dissolvings, realize the high-efficient energy-saving environment friendly of breeding wastewater body.
In order to solve the problem, the utility model by the following technical solutions:
A kind of industrialized culture circular water treating system, this system comprises fishpond, settling tank, Microfilter, protein segregating unit, biological removal of nitrogen device and ultra-violet sterilization equipment and pure oxygen machine, above-mentioned each equipment is communicated with successively and forms a set of closed recycle system, and the waste water in fishpond is finally back in fishpond after circular treatment.
Below the further optimization of the utility model to such scheme:
Kelp filter and urgent adsorption unit are installed between biological removal of nitrogen device and ultra-violet sterilization equipment.
Urgent adsorption unit comprises a stainless steel basket basket, in stainless steel basket basket, be filled with zeolite, corallite and gac.
When there is emergency case, the basket basket filling zeolite corallite and gac being sunk in water, being used for adsorb harmful components, ensure the water quality of water body.
Further optimization: Microfilter comprises support assembly and filter drum, power set, back-purge system, blowdown apparatus, filter drum is fixed on support assembly by bearing support and cylinder carrying roller, wherein one end of filter drum has opening, and the other end is sealed by sealing plate.
Back-purge system is arranged on directly over filter drum, and blowdown apparatus is arranged on the below of back-purge system and is arranged on sealing plate.
Filter drum engages driving by power set by motor gear and cylinder drive gear, thus the dirt on band electric filter rotates, and when dirt is directly over filter drum, dirt is flushed to outflow filter cylinder in blowdown apparatus by back-purge system.
By the process of Microfilter, the solid hazardous material being greater than 40 μm is filtered, in separable water body TAN 60 ~ 65%.Water body after process flows into the next link of water treatment system, and isolated solid hazardous material collects regeneration separately becomes fertilizer.
Breeding wastewater after Microfilter filters, enters protein segregating unit, produces foam by the aeration plate under protein separation pond, utilizes the surface tension of micro-bubble to come subparticle in planar water and viscous substance.
The utility model adopts such scheme, compared with general circulating water treatment flow process, this cover culturing wastewater processing system is by the reasonable setting to each water treatment link, effectively can remove the solid suspension composition granule in breeding wastewater body, remarkable reduction ammonia nitrogen concentration, increases the oxyty of breeding wastewater body and effectively sterilizes to water body.In whole system flow process, add the link of kelp process breeding wastewater, significantly reduce the concentration of ammonia nitrogen and inorganic nutrient salt.
The mal-operation that may have some emergency case for preventing whole water treatment system and cause circulating water system, also add urgent adsorption unit.And by the elevation design in circulating water treatment pond, whole process only needs a water lift, reduces energy consumption.The water yield of supplementing is needed every day to be only about 5% of the water body of cultivating system.Can cultured output be improved, meet again the industry policy that national energy-saving reduces discharging, and the state of the art of domestic cultivation circulating water treatment can be promoted, and then obtain significant economic and social benefit.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is circular water treating system figure in the utility model embodiment;
Accompanying drawing 2 is the structural representation of Microfilter in the utility model embodiment;
Accompanying drawing 3 is the side-view of accompanying drawing 2.
In figure: 1-settling tank; 2-Microfilter; 3-protein segregating unit; 4-biological removal of nitrogen device; 5-kelp filter; The urgent adsorption unit of 6-; 7-ultra-violet sterilization equipment; 8-pure oxygen machine; 9-fishpond; 10-recycle pump; 11-support assembly; 12-filter drum; 13-bearing support; 14-power set; 15-motor gear; 16-cylinder drive gear; 17-back-purge system; 18-blowdown apparatus; 19-sealing plate; 20-stationary bearing; 21-cylinder carrying roller; 22-water-in flange.
Embodiment
Embodiment, as shown in Figure 1, a kind of industrialized culture circular water treating system, comprise fishpond 9, settling tank 1, Microfilter 2, protein segregating unit 3, biological removal of nitrogen device 4 and ultra-violet sterilization equipment 7 and pure oxygen machine 8, above-mentioned each equipment is communicated with successively and forms a set of closed recycle system, and the waste water in fishpond 9 is finally back in fishpond 9 after circular treatment.
The waste water flowed out in fishpond 1, flow in settling tank 1 through pvc pipe, through the precipitation of settling tank 1, is precipitated by the larger particles of particle diameter more than 200 μm; Initial filter step is that the breeding wastewater after settling tank 1 precipitates enters Microfilter 2;
As shown in Figure 2 and Figure 3, Microfilter is made up of support assembly 11, filter drum 12, bearing support 13, power set 14, motor gear 15, cylinder drive gear 16, back-purge system 17, blowdown apparatus 18, sealing plate 19, stationary bearing 20, cylinder carrying roller 21, water-in flange 22 etc.;
Support assembly 11 adopts stainless steel welded forming, filter drum 12 is fixed on support assembly 11 by bearing support 13 and cylinder carrying roller 21, wherein one end of filter drum 12 has opening, the other end is sealed by sealing plate 19, back-purge system 17 is arranged on directly over filter drum 12, blowdown apparatus 18 is arranged on the below of back-purge system 17 and is arranged on sealing plate 19, and water-in flange 22 is arranged on sealing plate 19.
Sewage enters filter drum 12 by water-in flange 22, two-layer filtering net sewage is had to flow out through filter screen outside filter drum 12, solid dirt in water is detained on filter screen, filter drum 12 engages driving by power set 14 by motor gear 15 and cylinder drive gear 16, thus the dirt on band electric filter rotates, when dirt is directly over filter drum 12, dirt is flushed to outflow filter cylinder 12 in blowdown apparatus 18 by back-purge system 17.
By the process of Microfilter, the solid hazardous material being greater than 40 μm is filtered, in separable water body TAN 60 ~ 65%.Water body after process flows into the next link of water treatment system, and isolated solid hazardous material collects regeneration separately becomes fertilizer.
Breeding wastewater after Microfilter 2 filters, enters protein segregating unit 3, produces foam by the aeration plate under protein separation pond, utilizes the surface tension of micro-bubble to come subparticle in planar water and viscous substance.
Protein segregating unit 3 comprises air flotation pool, bottom air flotation pool, aeration plate is installed, the pressurized air of Luo Chi gas blower manufacture enters in aeration plate through pipeline, air produces various micro-bubbles through aeration plate, in the system of aqueous vapor grain three-phase mixing, all because of the Presence of an interface tension force by force unbalance on different media phase surface, when microbubble contacts with solid suspended particle, because capillary effect will produce the effect of surface adsorption.When microbubble moves upward, fully mix with the current moved downward, suspended particle in water and colloid (mainly the organism such as residual bait and excretion of aquaculture organism) are just attached to microbubble on the surface, density is caused to be less than the state of water, utilize law of buoyancy to make it move upward with bubble, and accumulate in the top water surface, along with the continuous generation of microbubble, the bubble gathered is washed out by suction fan, discharges circulating water pool.Foamet purifying water body is a continuous print working process.This link removes ammonia, the nitrogen of in water 10%, and processing power hourly and Microfilter match.
The breeding wastewater flowed through after protein segregating unit 3 enters into biological removal of nitrogen device 4, through biological removal of nitrogen device 4, utilizes the nitrobacteria on bio-carrier, by the ammonia nitrogen removal in water;
Biological removal of nitrogen device 4 is made up of biological filter and bacteria bed, the bio-carrier that a certain amount of particle diameter is less, specific surface area is larger is loaded in bacteria bed, carrier surface grows microbial film, not aeration in filter tank, effluent stream through time, utilize biomembranous degradation capability on carrier to carry out fast purification to sewage.Organic degraded, mainly carries out in the biomembranous aerobic layer in biological filter, carries out the transmission of many kinds of substance between inside and outside microbial film and water layer.Oxygen in air is dissolved in flowing water layer, then passes to microbial film, for microbial respiratory by attachment water layer; Organic pollutant in sewage then passes to attachment water layer by flowing water layer, enters microbial film subsequently, and is degraded by the Metabolic activity of bacterium, so just make sewage be purified in its flow process.
In this cover circular water treating system, biofiltration is divided into two kinds, and one is immersion biofiltration one is dribble-feed biofiltration.Above biological filter, be provided with bacteria bed, the inside is filled with biologic packing material, and this part adopts dribble-feed.Biologic packing material Raschig ring is contained in bacteria bed, pvc pipe is provided with above bacteria bed, by propeller pump, the water after Microfilter process is input in pvc pipe, pvc pipe has aperture, process water flows out from aperture, drips and spreads on bacteria bed, enter into biological filter after flowing through biologic packing material, below filler in biological filter, artificial aeration is set, then by the biologic packing material in biological filter, water is filtered.
12 groups of bacteria beds have been put above biological filter, often organize the long 1600mm of bacteria bed wide 1600mm height 2100mm, as shown in the figure, often organize inside bacteria bed and have six layers, biologic packing material is filled up in every layer of the inside, and the microorganism of removing ammonia nitrogen is attached to above filler with biomembranous state.The water that propeller pump promotes enters into water distributor, and the water entered evenly drips and is sprinkled upon on bacteria bed by water distributor, and the water after biofiltration flows into biological filter, is filled with biologic packing material, carries out biofiltration again after entering biological filter in biological filter.In biological filter, filler is immersed in breeding wastewater, is provided with aeration plate to increase the dissolved oxygen of breeding wastewater in biological filter below filler, and under the condition of dissolved oxygen and organism abundance, microorganism starts to transform the ammonia nitrogen in water and remove.In order to manage and save space, biological filter is made six, above each filter tank, be placed with two groups of bacteria beds.The long 2800mm in biological filter, wide 1450mm, high 2000mm.The bottom of biological filter is the scarp of 5 °, is provided with dirt discharge groove bottom inclined-plane.
After water flow to bacteria bed, by the biologic packing material of biofilm, the ammonia in water, nitrogen objectionable impurities can be got rid of 15 ~ 20%.
The breeding wastewater flowing through bacteria bed 4 enters into ultra-violet sterilization equipment 7, utilize quartz burner to send object that band ultraviolet reaches sterilization.
Quartz burner required for ultra-violet sterilization equipment is tailor-made product, is produced by Wuxi City the Changjiang river Medical Devices Co., Ltd., full submersible type ultraviolet germicidal lamp by name.Every root power of lamp tube is 40W, and length is 1100mm.A set of circulating water system is equipped with a Desk lamp support, and a Desk lamp support is equipped with 40 ultraviolet germicidal lamps.
Ultraviolet Disinfection is that the ultraviolet utilizing UV-lamp to produce carries out radiation to reach the object of sterilization.In microorganism cells, DNA absorption spectrum ranges has maximum absorption at the ultraviolet of 240 ~ 280nm, and the light wave that ultraviolet disinfection lamp produces is just within the scope of this.When microorganism is in uviolizing, UV-light absorb by the nucleic acid of microorganism, on the one hand can make nucleic acid mutation, hinder it to copy, transcribe, block the synthesis of protein; The free radical produced on the other hand, causes photo-ionisation.Thus cause the death of cell, reach the object of sterilization thus.Disinfection efficacy of ultraviolet ray except with UV-lamp source send the energy conversion rate of effective wavelength, ultraviolet arc length closely related except, also relevant with the transmissivity of fluorescent tube and water and irradiation time.
Duration of service, modular UV-lamp pipe support immersed in water body, and water body flows through fluorescent tube, utilizes ultraviolet to carry out disinfection to water body.
Ultraviolet germicidal lamp has killing action to various microorganism, but different microorganisms exists the difference of the opposite sex to the susceptibility of uviolizing, and the dosage therefore required for killing rate is different.Will according to the harmful microbe kind adjustment suitable ultraviolet irradiation time, through test, apparatus for ultraviolet disinfection can reach more than 95% to total removal of bacteria rate.
Dissolved oxygen step is for flowing through ultraviolet and ozone disinfection equipment 7 breeding wastewater, enter pure oxygen machine 8, dissolved oxygen is provided with aeration plate below pond, aeration plate passes into pure oxygen and ozone respectively, pass into the dissolved oxygen in oxygen increase water body, pass into ozone, one is can organics removal, and two is the effects can playing further sterilization.
After breeding wastewater body flows through pure oxygen machine 8, circulation flow in fishpond 9, and whole working cycle completes.
In above-described embodiment, kelp filter 5 and urgent adsorption unit 6 can also be increased between biological removal of nitrogen device 4 and ultra-violet sterilization equipment 7;
Urgent adsorption unit 6 comprises a stainless steel basket basket, in stainless steel basket basket, be filled with zeolite, corallite and gac, stainless steel basket basket, long 1000mm, wide 900mm, high 220mm.When there is emergency case, the basket basket filling zeolite corallite and gac being sunk in water, being used for adsorb harmful components, ensure the water quality of water body.
In high-density circulating water cultivation process, the mal-operation that some emergency case cause circulating water equipment may be had, therefore be necessary to arrange emergency use pond in circulating water filtering system, with deal with occur emergency case time water in anoxic, suspended particle concentration, ammonia nitrogen concentration and nitrite concentration raise, and pH value change is excessive.Emergency use pond is empty under normal circumstances, when emergency situation occurs, be used for Xiang Chili throw in zeolite, corallite and gac deal with emergency situation.The results showed, zeolite, corallite and gac are put in water body can organic pollutant in active adsorption water, and degradation of ammonia nitrogen and the oxygen level increased in water, purify water.
Stainless steel basket basket leaves in above emergency use pond, be in an emergency need use time, hang with single armed and whole basket basket invaded in water body.
Zeolite has the acute anoxia phenomenon in aquaculture significantly to be alleviated and prophylactic effect, as first aid medicine during aquatic products anoxic.Gac and corallite can organic pollutants in active adsorption water, degradation of ammonia nitrogen.
Breeding wastewater after biological removal of nitrogen device 4 processes enters into kelp filter 5, does further removal, and can significantly regulate and improve the pH value of water body by the sea-tangle in kelp filter 5 to the ammonia nitrogen in circulating water body and inorganic nutrient salt.
Claims (6)
1. an industrialized culture circular water treating system, it is characterized in that, this system comprises fishpond (9), settling tank (1), Microfilter (2), protein segregating unit (3), biological removal of nitrogen device (4) and ultra-violet sterilization equipment (7) and pure oxygen machine (8), above-mentioned each equipment is communicated with successively and forms a set of closed recycle system, and the waste water in fishpond (9) is finally back in fishpond (9) after circular treatment.
2. a kind of industrialized culture circular water treating system according to claim 1, is characterized in that:
Kelp filter (5) and urgent adsorption unit (6) are installed between biological removal of nitrogen device (4) and ultra-violet sterilization equipment (7).
3. a kind of industrialized culture circular water treating system according to claim 2, is characterized in that:
Urgent adsorption unit (6) comprises a stainless steel basket basket, in stainless steel basket basket, be filled with zeolite, corallite and gac.
4. a kind of industrialized culture circular water treating system according to Claims 2 or 3, it is characterized in that: Microfilter comprises support assembly (11) and filter drum (12), power set (14), back-purge system (17), blowdown apparatus (18), filter drum (12) is fixed on support assembly (11) by bearing support (13) and cylinder carrying roller (21), wherein one end of filter drum (12) has opening, and the other end is by sealing plate (19) sealing.
5. a kind of industrialized culture circular water treating system according to claim 4, is characterized in that:
Back-purge system (17) is arranged on directly over filter drum (12), and blowdown apparatus (18) is arranged on the below of back-purge system (17) and is arranged on sealing plate (19).
6. a kind of industrialized culture circular water treating system according to claim 5, is characterized in that:
Filter drum (12) engages driving by power set (14) by motor gear (15) and cylinder drive gear (16).
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2015
- 2015-03-27 CN CN201520177983.6U patent/CN204714652U/en not_active Expired - Fee Related
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