CN104817187A - Aquatic animal enhanced surface flow artificial wetland - Google Patents

Aquatic animal enhanced surface flow artificial wetland Download PDF

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Publication number
CN104817187A
CN104817187A CN201510253150.8A CN201510253150A CN104817187A CN 104817187 A CN104817187 A CN 104817187A CN 201510253150 A CN201510253150 A CN 201510253150A CN 104817187 A CN104817187 A CN 104817187A
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China
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fish
bed
water
wetland
pit
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CN201510253150.8A
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CN104817187B (en
Inventor
张建
李鹏飞
张成禄
谢慧君
邱宪锋
王倩
马茹
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Shandong University
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Shandong University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention provides an aquatic animal enhanced surface flow artificial wetland consisting of a water inlet pipe, a perforated water-distributing plate, a bed body, aquatic plants, fish ditches, fish pits, a fish screen and a water outlet pipe. The bed body of the wetland is filled with light and medium loams, the aquatic plants are planted on the bed body, water ditches are dug out on two side surfaces of the bed body to serve as the fish ditches, water pits are dug out in the middle of the surface flow artificial wetland or at two ends of the bed body to serve as the fish pits, and the total area of the fish ditches and the fish pits occupies 20-30% of the area of the bed body. Aquatic animals namely loaches and field snails are added into the wetland to improve the stability of microbial populations in a bed material of the wetland, increase the contact between bed mud and a water body, reduce the accumulation of organic matters of the bed mud, and significantly reduce the turbidity of the water body; and by using the fish ditches and the fish pits, the contact area between the bed body of the wetland and the water body can be increased, and the adsorbing and degrading capacities of the bed material of the wetland to pollutants in the water are increased.

Description

A kind of hydrocoles strengthening surface flow artificial marshland
One, technical field
The invention belongs to field of environment protection, relate to a kind of surface current artificial wetland utilizing hydrocoles intensive treatment sanitary sewage.
Two, background technology
Artificial swamp is built and the ecosystem of natural imitation wetland of controlling run by artificial, utilize the physics in system, chemistry and biological triple synergies, by filtering, absorption, coprecipitated, ion-exchange, in plant absorption and microbial decomposition and wetland the acting in conjunction etc. of various animal realize the high-efficient purification to sewage.
Surface flow artificial marshland is made up of five parts: the matrix with various water-permeable, as soil, sand; Be suitable for growing plants in saturation water and anaerobism matrix, as reed; Aerobic or anaerobion population; Without the hydrocoles of vertebra or vertebra.Surface flow artificial marshland is closest to physical environment, and wetland exists hydrocoles, and by ingesting, moving, the effect such as bioturbation, having direct or indirect material impact to the bed mud of wetland and water body, is the important component part in wetland.Relative to other Wetland Types, common surface flow artificial marshland water body and wetland bed contact area relatively little, and relatively low to the clearance of nitrogen phosphorus.And current artificial surface-flow, lack when building and utilize the input of animal, Wetlands ecosystems are sufficiently complete.
Three, summary of the invention
The present invention is for overcoming above-mentioned the deficiencies in the prior art, appropriate hydrocoles is thrown in when building surface current artificial wetland--loach and river snail, reduction artificial swamp intact ecocystem, utilize the characteristics such as the gulping down gas, burrow, eat of loach and river snail, filtration, improve wetland oxygen supply condition, strengthen microbial population stability, reduce wetland water body turbidity, improve the sewage treating efficiency of wetland and reduce the generation of wawter bloom.
Hydrocoles strengthening surface flow artificial marshland of the present invention adopts following technical proposals:
A kind of hydrocoles strengthening surface flow artificial marshland, by water inlet pipe, perforation water distribution board, bed body, waterplant, fish ditch, fish-pit, fish screen, rising pipe forms, wetland bed body is with light, middle earth is filled, planting aquatic plants on bed body, radius 0.4-0.5m is dug out in the both side surface of bed body, the ditch of dark 0.3-0.4m, as fish ditch, radius 1.5-2m is dug out at surface flow artificial marshland medium position, the round puddle of dark 1m, as fish-pit, fish ditch is linked up mutually with fish-pit, perforation water distribution board is provided with inside the water inlet pipe and rising pipe of bed body, the loach of long more than the 10cm of body is thrown in wetland, loach supply volume is every square metre of 10-20 bar, throw in the river snail of body weight more than 5 grams specifications simultaneously, river snail supply volume is every square metre of 100-200 gram.Fish-pit also can the medium position of bed body dig out wide 1-1.5m, dark 1m rectangle puddle as fish-pit, or respectively dig out inside the water inlet pipe and rising pipe at bed body two ends long 2-3m, wide 1-1.5m, dark 1m square puddle as fish-pit.Fish ditch and the fish-pit total area account for a bulk area 20%-30%.Fish screen is provided with inside the water inlet pipe of bed body and the water distribution board of water outlet pipe part.
Wet land filler bed long-width ratio of the present invention is 2.0-2.5:1, wetland bed bed body smooth place plantation reed, cattail class emergent, and interval plantation hornwort is with Nymphoides dish class sinks water and pleuston.The recess such as the fish ditch fish-pit of bed body, both can increase sewage and bed contact level amasss, and improved the adsorption filtration of soil and the natural subsidence of pollutent, can hide habitat again when high temperature or low temperature for loach and river snail provide.Wetland Inlet and outlet water place arranges fish screen, prevents loach and river snail from escaping.In wetland, transplant waterplant, after waterplant normal growth, then throw in loach and river snail, loach and river snail do not need food of throwing something and feeding, self-sow in artificial swamp environment.
The present invention has the following advantages:
The present invention, by adding hydrocoles loach and river snail in wetland, can improve wetland substrate microbial population stability, increases the contact of bed mud and water body, reduces the organic accumulation of bed mud; Utilize fish ditch and fish-pit, the contact area of wetland bed body and water body can be increased, increase substrate to the absorption of water pollutant and degradation capability, and effectively can reduce water turbidity; The present invention has saving floor space, and operation maintenance management is convenient, and investment and the feature such as working cost is low, add loach and river snail, by flourish, also can obtain certain economic benefit in artificial swamp.
Four, accompanying drawing illustrates:
Fig. 1 gives hydrocoles strengthening surface flow artificial marshland profile schematic diagram and the schematic top plan view of matrix pattern structure;
Fig. 2 gives hydrocoles strengthening surface flow artificial marshland profile schematic diagram and the schematic top plan view of I-shaped structure;
Fig. 3 gives hydrocoles strengthening surface flow artificial marshland profile schematic diagram and the schematic top plan view of concave structure.
In figure: 1 be water inlet pipe, 2 for perforation water distribution board, 3 be bed body, 4 be waterplant, 5 be fish-pit, 6 be fish ditch, 7 be fish screen, 8 for rising pipe
Five, specific embodiment
Embodiment 1: the hydrocoles strengthening surface flow artificial marshland of matrix pattern structure of the present invention is by water inlet pipe 1, and water distribution board 2, bed body 3, waterplant 4, fish-pit 5, fish ditch 6, fish screen 7, rising pipe 8 forms.Wetland bed body is filled by light, middle earth.First, dig out radius 0.4-0.5m on bed body 3 surface, the ditch of dark 0.3-0.4m, as fish ditch 6, dig out radius 1.5-2m in addition at the medium position of bed body, the approximate round puddle of dark 1 meter, as fish-pit 5.Fish ditch and the fish-pit total area account for about a bulk area 20%-30%.Fish ditch and fish-pit hide hiding-place as loach when high temperature or low temperature and river snail, also can increase water body and bed body 3 contact area, increase the treatment time of Wetlands on Wastewater.Fish-pit is also as the use of catching loach.Be provided with perforation water distribution board 2 inside water inlet pipe 1 and rising pipe 8, make current be uniformly dispersed by bed body, reduce current washing away bed body; And surround with fish screen 7, prevent loach and river snail from escaping.After wetland bed structure completes, transplant plant in 3-4 month.Wetland bed body mainly arranges in pairs or groups waterplant 4 that plantation has an economic worth as the emergent such as reed, cattail and frogbit, the submerged plants such as floating plant and hornwort such as lotus.It is over half that vegetal cover accounts for the water surface, and planting density is preferably 15-20 strain/m 2bed body.In throwing in 10cm 4-5 month again with the long loach in upper body in wetland, quantity every square metre 10-20 tail after plant normal growth.Throw in the river snail of body weight more than 5 grams specifications, river snail supply volume is every square metre of 100-200 gram simultaneously.Loach and river snail do not need food of throwing something and feeding in addition, self-sow in artificial swamp.
During operation, sewage enters a body by water-in and fish screen, and current flow in the gap of bed surface and root system of plant, and the activity of loach and river snail makes the contact area of water body and bed body greatly increase, and improves the oxygen supply of bed mud, is conducive to the degraded of pollutent.The filteration of river snail significantly can reduce water turbidity, enhances the transparency.Meanwhile, current are after the fish ditch of hiding preparation for animal and fish-pit, and strengthen the contact area of sewage and bed body further, and suitably can slow down flow velocity, increase bed body is to the degraded of pollutent and absorption.Loach and river snail, by the behavior such as eating, significantly can reduce Organic Pollutants in Sedimentary Mud.The activity of animal increases the contact of bed mud and water body, improves bottom mud microbe population stability, and can significantly reduce bed mud total content of organic carbon, improves the clearance of wetland nitrogen phosphorus, improves the purification efficiency of sewage.Meanwhile, containing in a large number can the microorganism of degradation of contaminant in the microbial film of wetland bed body and plant surface, like this, under the multiple action of soil, plant, animal, microorganism, sewage be fully purified, and discharges through water outlet spouting bed body.
Embodiment 2: the hydrocoles strengthening surface flow artificial marshland of I-shaped structure of the present invention is by water inlet pipe 1, perforation water distribution board 2, bed body 3, waterplant 4, fish-pit 5, fish ditch 6, fish screen 7, rising pipe 8 forms, and is filled by light, middle earth, 10cm is thrown in the long loach in upper body, quantity every square metre 10-20 tail in wetland.Throw in the river snail of body weight more than 5 grams specifications, river snail supply volume is every square metre of 100-200 gram simultaneously.Bed body longitudinally digs out radius 0.4-0.5m, the ditch of dark 0.3-0.4m, and as fish ditch, dig out in the middle of bed body and dig out wide 1-1.5m in addition, the rectangle puddle of dark 1 meter, as fish-pit.The total area of fish ditch and fish-pit accounts for about a bulk area 20%-30%, hides perch part as loach and river snail.Fish ditch and fish-pit can increase a body total area simultaneously and slow down flow velocity, increase water body and bed body duration of contact and area.Other are identical with specific embodiment 1.
Embodiment 3: the hydrocoles strengthening surface flow artificial marshland bed body of concave structure of the present invention is by water inlet pipe 1, and perforation water distribution board 2, bed body 3, waterplant 4, fish-pit 5, fish ditch 6, fish screen 7, rising pipe 8 forms, and light, middle earth is filled.10cm is thrown in the long loach in upper body, quantity every square metre 10-20 tail in wetland.Throw in the river snail of body weight more than 5 grams specifications, river snail supply volume is every square metre of 100-200 gram simultaneously.Bed body longitudinally digs out radius 0.4-0.5m, the puddle of dark 0.3-0.4m, as fish ditch.Respectively dig out long 2-3 rice, wide 1-1.5 rice inside bed body water-in and water outlet, the square puddle of dark about 1 meter, as fish-pit.The total area of fish ditch and fish-pit accounts for a bulk area and is about 20%-30%, and that hides high/low temperature as loach and river snail perches part.Puddle simultaneously can increase a body total area and slow down flow velocity, increases water body and bed body duration of contact and area.Other are identical with specific embodiment 1.

Claims (4)

1. a hydrocoles strengthening surface flow artificial marshland, by water inlet pipe, perforation water distribution board, bed body, waterplant, fish ditch, fish-pit, fish screen, rising pipe forms, wetland bed body is with light, middle earth is filled, planting aquatic plants on bed body, it is characterized in that digging out radius 0.4-0.5m in the both side surface of bed body, the ditch of dark 0.3-0.4m is as fish ditch, radius 1.5-2m is dug out at surface flow artificial marshland medium position, the approximate round puddle of dark 1m is as fish-pit, fish ditch is linked up mutually with fish-pit, perforation water distribution board is provided with inside the water inlet pipe and rising pipe of bed body, the loach of long more than the 10cm of body is thrown in wetland, loach supply volume is every square metre of 10-20 bar, throw in the river snail of body weight more than 5 grams specifications simultaneously, river snail supply volume is every square metre of 100-200 gram.
2. a kind of hydrocoles strengthening surface flow artificial marshland according to claim 1, it is characterized in that described fish-pit also can the medium position of bed body dig out wide 1-1.5m, dark 1m rectangle puddle as fish-pit, or respectively dig out inside the water inlet pipe and rising pipe at bed body two ends long 2-3m, wide 1-1.5m, dark 1m square puddle as fish-pit.
3. a kind of hydrocoles strengthening surface flow artificial marshland according to claim 1, is characterized in that described fish ditch and the fish-pit total area account for a bulk area 20%-30%.
4. a kind of hydrocoles strengthening surface flow artificial marshland according to claim 1, is characterized in that being provided with fish screen inside the water inlet pipe of bed body and the water distribution board of water outlet pipe part.
CN201510253150.8A 2015-05-18 2015-05-18 A kind of aquatic animal strengthening surface flow artificial marshland Active CN104817187B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1686868A (en) * 2005-03-29 2005-10-26 华南农业大学 Method for treating home wastewater through artificial wetland combined vertical current with surface current
CN201052984Y (en) * 2007-02-08 2008-04-30 山东大学 Biological island reciprocal current artificial wet land
US8252182B1 (en) * 2008-09-11 2012-08-28 University Of Central Florida Research Foundation, Inc. Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems
CN103043800A (en) * 2012-12-28 2013-04-17 上海勘测设计研究院 Composite surface flow wetland system
CN103355071A (en) * 2013-01-10 2013-10-23 姜堰市庆荣水稻种植专业合作社 Ecological fish farming method in rice field and ecological rice produced by rice plants
CN103703984A (en) * 2013-12-25 2014-04-09 苏州市阳澄湖渔业科技中心有限公司 Hybrid aquatic method of loaches and lotus roots
CN103907556A (en) * 2014-03-20 2014-07-09 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 Novel method for fish culture in rice field
CN104071944A (en) * 2014-05-08 2014-10-01 中国环境科学研究院 Economic wetland system for ottelia acuminata macrobenthos for purifying agricultural runoff
CN104082198A (en) * 2014-06-17 2014-10-08 怀远县孔津湖农业开发有限公司 Rice field cultivation method for misgurnus anguillicaudatus
CN104420676A (en) * 2013-08-22 2015-03-18 上海市农业科学院 Method for solving agricultural non-point source pollution

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1686868A (en) * 2005-03-29 2005-10-26 华南农业大学 Method for treating home wastewater through artificial wetland combined vertical current with surface current
CN201052984Y (en) * 2007-02-08 2008-04-30 山东大学 Biological island reciprocal current artificial wet land
US8252182B1 (en) * 2008-09-11 2012-08-28 University Of Central Florida Research Foundation, Inc. Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems
CN103043800A (en) * 2012-12-28 2013-04-17 上海勘测设计研究院 Composite surface flow wetland system
CN103355071A (en) * 2013-01-10 2013-10-23 姜堰市庆荣水稻种植专业合作社 Ecological fish farming method in rice field and ecological rice produced by rice plants
CN104420676A (en) * 2013-08-22 2015-03-18 上海市农业科学院 Method for solving agricultural non-point source pollution
CN103703984A (en) * 2013-12-25 2014-04-09 苏州市阳澄湖渔业科技中心有限公司 Hybrid aquatic method of loaches and lotus roots
CN103907556A (en) * 2014-03-20 2014-07-09 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 Novel method for fish culture in rice field
CN104071944A (en) * 2014-05-08 2014-10-01 中国环境科学研究院 Economic wetland system for ottelia acuminata macrobenthos for purifying agricultural runoff
CN104082198A (en) * 2014-06-17 2014-10-08 怀远县孔津湖农业开发有限公司 Rice field cultivation method for misgurnus anguillicaudatus

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