CN104860480A - Large-scale eutrophication degradation method - Google Patents

Large-scale eutrophication degradation method Download PDF

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Publication number
CN104860480A
CN104860480A CN201510265141.0A CN201510265141A CN104860480A CN 104860480 A CN104860480 A CN 104860480A CN 201510265141 A CN201510265141 A CN 201510265141A CN 104860480 A CN104860480 A CN 104860480A
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China
Prior art keywords
water
circulation tank
shutoff
sieve plate
eutrophication
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CN201510265141.0A
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Chinese (zh)
Inventor
潘玉英
臧迎亮
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN201510265141.0A priority Critical patent/CN104860480A/en
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Abstract

The invention discloses a large-scale eutrophication degradation method. According to the method, at least two water purification units are adopted and connected in a head-to-tail manner to form one group, and more than two groups are utilized to purify a to-be-treated water source simultaneously; the water purification units are aquiculture tail water floating-state treatment devices; each aquiculture tail water floating-state treatment device comprises a circulating water tank provided with an upper opening, and a sieve plate for dividing the circulating water tank into an upper area and a lower area is arranged nearby the middle of the circulating water tank; a water feeding and draining pipe group capable of performing water feeding and draining on the upper area and the lower area is arranged at two ends of each circulating water tank; each water feeding and draining pipe group comprises a normal-pressure water feeding pipe provided with a valve, a pressurizing water feeding pipe, an overflow pipe and a blowdown pipe; the valve of each normal-pressure water feeding pipe provided with the valve is controlled to be opened or closed according to the condition of to-be-treated water. The large-scale eutrophication degradation method has the advantages that the solid-liquid separation can be performed, automatic pollution discharge can be performed, the manual intervention is small, the management is convenient, the water treatment capacity is high, few chemical reagent is used, and the method is environment-friendly.

Description

Mass-producing eutrophication degradation method
Technical field
The present invention relates to a kind of large-scale cultivation tail water purifying method, particularly relate to mass-producing eutrophication degradation method.
Background technology
In the last few years, in large-scale waters, the density of freshwater fish culturing improved year by year, and aquaculture model is all open cultivation, caused water body more serious by the excremental damage ratio of fish.Once fish disease outburst, bring disaster to whole waters, raiser loses seriously.As the Chinese invention patent application of publication No. CN103112995A, disclose waste disposal plant and the method for cage culture in a kind of large-scale waters, it is characterized in that: comprise dirt collecting bucket, dirt collecting bucket is arranged at the bottom of net cage, dirt collecting bucket is communicated with blow-off pipe, be connected with the gas liquid mixer at middle part, the venting port of gas liquid mixer is connected with pneumatic tube again; The sewage draining exit of blow-off pipe afterbody is communicated with screened hour, and the water outlet of screened hour is communicated with the dirty pond of collection, collects in dirty pond and is provided with biological bacteria biofilm, pneumatic tube stretches in the dirty pond of described collection, and be connected with aeration tube, aeration tube lateral arrangement, and be positioned at below described biological bacteria biofilm; Collect in dirty pond and be also fixedly installed filtering basin, filtering basin adopt yarn thin,tough silk to filter, and the water outlet of filtering basin is communicated with ecological floating island treatment system; Ecological floating island treatment system is fixed on the side in the dirty pond of described collection, is provided with water stream channel in it, and planting in water stream channel has waterplant, collects the water ingoing stream passage in dirty pond, enters large-scale waters after purification.Its equipment is complicated, and maintenance cost is higher, still has the space promoted further, and when being applied in industrialized culture, needs again further adaptability reform.
Summary of the invention
The object of the invention is to provide one can carry out solid-liquid separation for prior art, automatic pollution discharge can be carried out, manual intervention is little, convenient management, the process water yield are large, chemical reagent uses less, eco-friendly mass-producing eutrophication degradation method.
The present invention solves the problems of the technologies described above adopted technical scheme: mass-producing eutrophication degradation method, comprises, wherein: adopting at least two water purification unit head and the tail to connect is one group, and purifies pending water source with more than two simultaneously; Water purification unit is cultivation tail water floading condition treatment unit; Cultivation tail water floading condition treatment unit, comprises the circulation tank with upper opening, and is provided with sieve plate circulation tank being separated into upper and lower two pieces of regions near this circulation tank centre; Sieve plate has sieve aperture; The shutoff trap of at least one piece of shutoff sieve aperture of fitting through short-range shift in position is provided with near the position below sieve plate with certain interval; Circulation tank two ends are provided with the intake-discharge pipe group entering draining to upper and lower two pieces of regions; Intake-discharge pipe group comprises the valvular normal pressure water inlet pipe of tool, supercharging water inlet pipe, upflow tube, blow-off pipe, and normal pressure water inlet pipe is communicated with circulation tank sieve plate superjacent air space with upflow tube, and supercharging water inlet pipe is communicated with circulation tank sieve plate underlying space with blow-off pipe; Circulation tank adopts two or more mode cascades to connect; Connection connect sieve plate above region through intake-discharge pipe group be communicated with, and this connection circulation tank intake-discharge pipe group be provided with engineering groove; The valve of tool valvular normal pressure water inlet pipe is according to the situation control on demand opening and closing of pending water.Normal pressure water inlet pipe injects circulation tank because tail water source will cultivate tail water, the cultivation tail water in tail water source is injected the region above sieve plate, the particulate matters such as the organic debris in tail water fall into the bottom of circulation tank through sieve plate, and clear water flows out through the intake-discharge pipe group of the other end.By intake-discharge pipe group, the current of elevated pressures are injected to the region on the downside of sieve plate when supercharging water inlet pipe is for rinsing bottom dirt blowdown, shutoff trap upwards takeoffs and blocks the sieve aperture on sieve plate fast under hydraulic pressure effect, bottom dirt is discharged from the intake-discharge pipe group of the other end, and recycles as required.Upflow tube is for discharging clear water, and blow-off pipe is used for discharging dirt when supercharging water inlet pipe injects High-Pressure Water.Device blowdown process of the present invention blowdown aqueous phase used is to less, and manual operation intensity reduces greatly.Meanwhile, by the multistage connection of tank of two or more being circulated, and the upflow tube of the tank that previous stage circulated and rear stage circulate, the normal pressure water inlet pipe of tank is connected, and can strengthen purifying water effect further.Set up engineering groove between two-stage, maintenance can be made convenient.
For optimizing technique scheme, the measure taked also comprises: shutoff trap comprises at least two frame bars arranged in parallel and is connected to one group of support bar composition between frame bars.Frame bars and support bar are crisscross arranged, and thus have very large clearance space, and therefore, the heavy property dirt that sieve plate falls can fall the bottom of circulation tank too through shutoff trap.Shutoff trap has the shutoff projection cooperatively interacted with bead in shape energy sieve aperture.The shape of shutoff projection can select cylinder shape, circular platform type, taper shape, prismatic, pyramid, prismatic table shape according to sieve aperture.Preferred version is that shutoff projection upper end is little, lower end large, to reach good shutoff fiting effect.Shutoff trap also has the spacing sprue that little lower end, top is large.The preferred taper of shape of this spacing sprue, and top or the tip of spacing sprue are positioned at sieve aperture under normal circumstances, after being subject to below hydraulic pressure, this spacing sprue top, due to inner at sieve aperture, thus has position-limiting action in the process of whole shutoff trap rising.The Planting board of the implantation hole with energy planting plants is provided with near inside the upper edge hole of circulation tank.Can by the root system of plant through implantation hole to adsorb the rich nutritive materials such as ammonia nitrogen in upper water.Planting board is coated with the foamed resin layer of porous; Foamed resin layer is planted and is implanted with absorption plant.Foamed resin layer is used for fixing plant, and can refer to and operate without native training method, technology relative maturity is reliable.Absorption plant can reduce the eutrophy composition in upper water, improves resource utilization.
Be one group owing to present invention employs that employing at least two water purification unit head and the tail connect, and pending water source purified with more than two simultaneously; Water purification unit is cultivation tail water floading condition treatment unit; Cultivation tail water floading condition treatment unit, comprises the circulation tank with upper opening, and is provided with sieve plate circulation tank being separated into upper and lower two pieces of regions near this circulation tank centre; Sieve plate has sieve aperture; The shutoff trap of at least one piece of shutoff sieve aperture of fitting through short-range shift in position is provided with near the position below sieve plate with certain interval; Circulation tank two ends are provided with the intake-discharge pipe group entering draining to upper and lower two pieces of regions; Intake-discharge pipe group comprises the valvular normal pressure water inlet pipe of tool, supercharging water inlet pipe, upflow tube, blow-off pipe, and normal pressure water inlet pipe is communicated with circulation tank sieve plate superjacent air space with upflow tube, and supercharging water inlet pipe is communicated with circulation tank sieve plate underlying space with blow-off pipe; Circulation tank adopts two or more mode cascades to connect; Connection connect sieve plate above region through intake-discharge pipe group be communicated with, and this connection circulation tank intake-discharge pipe group be provided with engineering groove; The valve of tool valvular normal pressure water inlet pipe is according to the situation control on demand opening and closing of pending water.Normal pressure water inlet pipe injects circulation tank because tail water source will cultivate tail water, the cultivation tail water in tail water source is injected the region above sieve plate, the particulate matters such as the organic debris in tail water fall into the bottom of circulation tank through sieve plate, and clear water flows out through the intake-discharge pipe group of the other end.By intake-discharge pipe group, the current of elevated pressures are injected to the region on the downside of sieve plate when supercharging water inlet pipe is for rinsing bottom dirt blowdown, shutoff trap upwards takeoffs and blocks the sieve aperture on sieve plate fast under hydraulic pressure effect, bottom dirt is discharged from the intake-discharge pipe group of the other end, and recycles as required.Upflow tube is for discharging clear water, and blow-off pipe is used for discharging dirt when supercharging water inlet pipe injects High-Pressure Water.Device blowdown process of the present invention blowdown aqueous phase used is to less, and manual operation intensity reduces greatly.Meanwhile, by the multistage connection of tank of two or more being circulated, and the upflow tube of the tank that previous stage circulated and rear stage circulate, the normal pressure water inlet pipe of tank is connected, and can strengthen purifying water effect further.Set up engineering groove between two-stage, maintenance can be made convenient.Thus the present invention have can carry out solid-liquid separation, automatic pollution discharge can be carried out, manual intervention is little, convenient management, the process water yield large, chemical reagent uses less, eco-friendly advantage.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention syndeton schematic diagram;
Fig. 2 is embodiment of the present invention circulation tank perspective view;
Fig. 3 is embodiment of the present invention circulation tank disassemblying structure schematic diagram;
Fig. 4 is embodiment of the present invention circulation sink plug trap structural scheme of mechanism;
Fig. 5 is embodiment of the present invention circulation tank using state cross-sectional view.
Embodiment
Below in conjunction with attached embodiment, the present invention is described in further detail.
Drawing reference numeral illustrates: circulation tank 1, shutoff trap support 11, Planting board support 12, Planting board 2, implantation hole 2a, sieve plate 3, sieve aperture 3a, shutoff trap 4, frame bars 4a, support bar 4b, shutoff projection 41, spacing sprue 42, intake-discharge pipe group 5, foamed resin layer 6, absorption plant 6a, engineering groove 7, water pump 8, tail water source 9.
Embodiment: referring to figs. 1 through Fig. 5, mass-producing eutrophication degradation method, comprises, wherein: adopting at least two water purification unit head and the tail to connect is one group, and purifies pending water source with more than two simultaneously; Water purification unit is cultivation tail water floading condition treatment unit; Cultivation tail water floading condition treatment unit, comprises the circulation tank 1 with upper opening, and is provided with the sieve plate 3 circulation tank 1 being separated into upper and lower two pieces of regions near this circulation tank 1 centre; Sieve plate 3 has sieve aperture 3a; The shutoff trap 4 of at least one piece of shutoff sieve aperture 3a that to fit through short-range shift in position is provided with near the position below sieve plate 3 with certain interval; Circulation tank 1 two ends are provided with the intake-discharge pipe group 5 entering draining to upper and lower two pieces of regions; Intake-discharge pipe group 5 comprises the valvular normal pressure water inlet pipe 51 of tool, supercharging water inlet pipe 52, upflow tube 53, blow-off pipe 54, and normal pressure water inlet pipe 51 is communicated with circulation tank 1 sieve plate 3 superjacent air space with upflow tube 53, supercharging water inlet pipe 52 is communicated with circulation tank 1 sieve plate 3 underlying space with blow-off pipe 54; Circulation tank 1 adopts two or more mode cascades to connect; Connection connect sieve plate 3 above region be communicated with through intake-discharge pipe group 5, and this connection circulation tank 1 intake-discharge pipe group 5 be provided with engineering groove 7; The valve of tool valvular normal pressure water inlet pipe 51 is according to the situation control on demand opening and closing of pending water.Normal pressure water inlet pipe 51 injects circulation tank 1 because tail water source 9 will cultivate tail water, the cultivation tail water in tail water source 9 is injected the region above sieve plate 3, the particulate matters such as the organic debris in tail water fall into the bottom of circulation tank 1 through sieve plate 3, and clear water flows out through the intake-discharge pipe group 5 of the other end.Injected the current of elevated pressures by region on the downside of intake-discharge pipe group 5 pairs of sieve plates 3 when supercharging water inlet pipe 52 is for rinsing bottom dirt blowdown, shutoff trap 4 upwards takeoffs and blocks the sieve aperture 3a on sieve plate 3 fast under hydraulic pressure effect, bottom dirt is discharged from the intake-discharge pipe group 5 of the other end, and recycles as required.Upflow tube 53 is for discharging clear water, and blow-off pipe 54 is for discharging dirt when supercharging water inlet pipe 52 injects High-Pressure Water.Device blowdown process of the present invention blowdown aqueous phase used is to less, and manual operation intensity reduces greatly.Meanwhile, by the multistage connection of tank 1 of two or more being circulated, and the upflow tube 53 of the tank 1 that previous stage circulated and rear stage circulate, the normal pressure water inlet pipe 51 of tank 1 is connected, and can strengthen purifying water effect further.Set up engineering groove 7 between two-stage, maintenance can be made convenient.Shutoff trap 4 comprises at least two frame bars 4a arranged in parallel and one group of support bar 4b be connected between frame bars 4a and forms.Frame bars 4a and support bar 4b is crisscross arranged, and thus has very large clearance space, and therefore, the heavy property dirt that sieve plate 3 falls can fall the bottom of circulation tank 1 too through shutoff trap 4.Shutoff trap 4 has the shutoff projection 41 cooperatively interacted with bead in shape energy sieve aperture 3a.The shape of shutoff projection 41 can select cylinder shape, circular platform type, taper shape, prismatic, pyramid, prismatic table shape according to sieve aperture 3a.Preferred version is that shutoff projection 41 upper end is little, lower end large, to reach good shutoff fiting effect.Shutoff trap 4 also has the spacing sprue 42 that little lower end, top is large.The preferred taper of shape of this spacing sprue 42, and top or the tip of spacing sprue 42 are positioned at sieve aperture 3a under normal circumstances, after being subject to below hydraulic pressure, this spacing sprue 42 top, due to inner at sieve aperture 3a, thus has position-limiting action in the process of whole shutoff trap 4 rising.The Planting board 2 of the implantation hole 2a with energy planting plants is provided with near inside the upper edge hole of circulation tank 1.Can by the root system of plant through implantation hole 2a to adsorb the rich nutritive materials such as ammonia nitrogen in upper water.Planting board 2 is coated with the foamed resin layer 6 of porous; Foamed resin layer 6 is planted and is implanted with absorption plant 6a.Foamed resin layer 6, for fixing plant, can refer to and operates without native training method, and technology relative maturity is reliable.Absorption plant 6a can reduce the eutrophy composition in upper water, improves resource utilization.
This technology adopts comparatively easy method that the solid particulate matter in water is carried out precipitate and separate, and soluble substance and molecule are adsorbed by plant, and stage purification can strengthen purifying water effect.Further, this device can use chemical agent to carry out water purification after adopting hardly.Mode of connection is similar to the series, parallel mode in circuit, according to the unlatching number of the chemical concentration control water-flowing trough as required in tail water source 9.
Although describe the present invention in conjunction with preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can implement various change, the displacement of coordinator and amendment here to the theme listed, therefore protection scope of the present invention be as the criterion when the scope limited depending on proposed claim.

Claims (5)

1. mass-producing eutrophication degradation method, is characterized in that: adopting at least two water purification unit head and the tail to connect is one group, and purifies pending water source with more than two simultaneously; Described water purification unit is cultivation tail water floading condition treatment unit; Cultivation tail water floading condition treatment unit, comprises the circulation tank (1) with upper opening, and is provided with the sieve plate (3) described circulation tank (1) being separated into upper and lower two pieces of regions near this circulation tank (1) centre; Described sieve plate (3) has sieve aperture (3a); The shutoff trap (4) of at least one piece of sieve aperture (3a) described in shutoff of fitting through short-range shift in position is provided with near the position that described sieve plate (3) below has a certain interval; Described circulation tank (1) two ends are provided with the intake-discharge pipe group (5) entering draining to described two pieces of regions up and down; Described intake-discharge pipe group (5) comprises the valvular normal pressure water inlet pipe (51) of tool, supercharging water inlet pipe (52), upflow tube (53), blow-off pipe (54), and described normal pressure water inlet pipe (51) is communicated with circulation tank (1) sieve plate (3) superjacent air space with upflow tube (53), supercharging water inlet pipe (52) is communicated with circulation tank (1) sieve plate (3) underlying space with blow-off pipe (54); Described circulation tank (1) adopts two or more mode cascades to connect; Described connection connect the region of sieve plate (3) top be communicated with through intake-discharge pipe group (5), and the intake-discharge pipe group (5) of this connection circulation tank (1) is provided with engineering groove (7); The valve of described tool valvular normal pressure water inlet pipe (51) is according to the situation control on demand opening and closing of pending water.
2. mass-producing eutrophication degradation method according to claim 1, is characterized in that: described shutoff trap (4) comprises at least two frame bars (4a) arranged in parallel and is connected to one group of support bar (4b) composition between described frame bars (4a).
3. mass-producing eutrophication degradation method according to claim 1, is characterized in that: described shutoff trap (4) has the shutoff projection (41) cooperatively interacted with sieve aperture (3a) the interior bead described in shape energy; Described shutoff trap (4) also has the spacing sprue (42) that little lower end, top is large.
4. mass-producing eutrophication degradation method according to claim 1, is characterized in that: the Planting board (2) being provided with the implantation hole (2a) with energy planting plants near inside the upper edge hole of described circulation tank (1).
5. mass-producing eutrophication degradation method according to claim 4, is characterized in that: the foamed resin layer (6) described Planting board (2) being coated with porous; Upper kind of described foamed resin layer (6) is implanted with absorption plant (6a).
CN201510265141.0A 2015-05-22 2015-05-22 Large-scale eutrophication degradation method Pending CN104860480A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2058620U (en) * 1989-09-17 1990-06-27 哈尔滨热管联营制造厂 Automatically cleaning filter
CN201088888Y (en) * 2007-08-07 2008-07-23 葆光(大连)节能技术研究所有限公司 Full-automatic spotter for sewage water
CN202118358U (en) * 2011-07-01 2012-01-18 李林 Soft touch type water saving water valve
EP2716607A1 (en) * 2011-05-24 2014-04-09 Sung Il En-Tech Co. Ltd. Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water
CN104058562A (en) * 2014-06-11 2014-09-24 上海市政工程设计研究总院(集团)有限公司 Flushing device for sludge thickener stainless steel sludge-water distributing tank
CN203946925U (en) * 2014-07-01 2014-11-19 北京克达思科技有限公司 Sewage treatment pot
CN204022531U (en) * 2014-08-25 2014-12-17 南京大学连云港高新技术研究院 A kind of catalytic oxidation treatment facility
CN104609600A (en) * 2015-01-09 2015-05-13 成都冠禹科技有限公司 Automatic washing type industrial wastewater purification device
CN104623935A (en) * 2013-11-06 2015-05-20 上海市政工程设计研究总院(集团)有限公司 Small rapid filter equipped with air and water backwash system and filtering and backwashing technology thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2058620U (en) * 1989-09-17 1990-06-27 哈尔滨热管联营制造厂 Automatically cleaning filter
CN201088888Y (en) * 2007-08-07 2008-07-23 葆光(大连)节能技术研究所有限公司 Full-automatic spotter for sewage water
EP2716607A1 (en) * 2011-05-24 2014-04-09 Sung Il En-Tech Co. Ltd. Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water
CN202118358U (en) * 2011-07-01 2012-01-18 李林 Soft touch type water saving water valve
CN104623935A (en) * 2013-11-06 2015-05-20 上海市政工程设计研究总院(集团)有限公司 Small rapid filter equipped with air and water backwash system and filtering and backwashing technology thereof
CN104058562A (en) * 2014-06-11 2014-09-24 上海市政工程设计研究总院(集团)有限公司 Flushing device for sludge thickener stainless steel sludge-water distributing tank
CN203946925U (en) * 2014-07-01 2014-11-19 北京克达思科技有限公司 Sewage treatment pot
CN204022531U (en) * 2014-08-25 2014-12-17 南京大学连云港高新技术研究院 A kind of catalytic oxidation treatment facility
CN104609600A (en) * 2015-01-09 2015-05-13 成都冠禹科技有限公司 Automatic washing type industrial wastewater purification device

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