CN103288219B - Algae screen system for indoor marine organism culture water treatment - Google Patents
Algae screen system for indoor marine organism culture water treatment Download PDFInfo
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- CN103288219B CN103288219B CN201310225760.8A CN201310225760A CN103288219B CN 103288219 B CN103288219 B CN 103288219B CN 201310225760 A CN201310225760 A CN 201310225760A CN 103288219 B CN103288219 B CN 103288219B
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Abstract
The invention discloses an algae screen system for indoor marine organism culture water treatment, and relates to marine organism culture water treatment. The algae screen system is provided with a support framework, an algae screen and an illumination device, wherein the support framework is provided with a shell, a circular tube, a support piece, a water inlet pipeline and a water outlet pipeline; an opening is formed below the shell and connected with the water outlet pipeline; the circular tube is placed on the upper edge of the inner side of the shell; the circular tube is supported by the support piece and connected with the water inlet pipeline; the support piece is connected with the shell; the algae screen is arranged below the circular tube and clings to the inner wall of the shell; the algae screen consists of a grid screen and a filiform algae pad attached to the grid screen; the illumination device is arranged in the support framework; a lamp of the illumination device is isolated from a water environment through a transparent cover; the to-be-treated sea water entering the circular tube is sprayed to the upper edge of the algae screen through holes densely formed in the circular tube; the sea water goes down along the algae screen and uniformly covers the whole algae screen and finally enters a culture system through a drainage pipeline; and an aim of removing redundant nutritive salt of the system is achieved by use of the growth of the filiform algae inoculated to the grid screen.
Description
Technical field
The present invention relates to a kind of mariculture water treatment, especially relate to a kind of algae screen system for indoor mariculture water treatment.
Background technology
A large amount of researchs show; ammonia nitrogen and nitrite have toxic action to aquatile; it can be by consuming the dissolved oxygen in water body; affect hydrobiological eupnea and ingest; delay biological growth, and may cause serious impact (Randall D J, Tsui T K N.Ammonia toxicity in fish.Marine Pollution Bulletin to biological physical signs and histoorgan; 2002,45 (1): 17-23; Yu Ruilan etc. molecules of ammonia and nitrite are to the harm of fish and countermeasure thereof. Chinese aquatic science, 1999,6 (3): 73-77; Tall building Soviet Union and Eastern Europe etc. impact and mechanism and the control of cultivation automatic pollution factor prawn crab health. aquatic science, 2009,28 (6): 355-360).Therefore, in aquatile cultivation, how processing nutritive salt more than needed in cultivating system is to maintain system stability, guarantees the key of biological normal growth and breeding in system.
Because tangleweed growth is rapid, can rapidly the nutritive salt in water body be absorbed and is translated into the material of self, therefore in mariculture, utilize tangleweed to absorb the report (Liu Jingwen of common occurrence of the inorganic nutrient salt in water body, Dong Shuanlin. the Nutrition and Metabolism of marine alga and the absorption dynamics to esential nutrient thereof. Plant Physiology Communications, 2001.37 (4): 325-330; Yue Weizhong etc. the Primary Study of purification of mariculture water by macroscopic algae. marine environment science, 2004.23 (1): 13-15; Da Silva Copertino, M., T.Tormena, and U.Seeliger, Biofiltering efficiency, uptake and assimilation rates of Ulva clathrata (Roth) J.Agardh (Clorophyceae) cultivated in shrimp aquaculture waste water.Journal of Applied Phycology, 2009.21 (1): 31-45; Zou Dinghui, Xia Jianrong. the nutritive salt metabolism of tangleweed and with the relation of Coastal Eutrophication. ecological magazine, 2011.30 (3): 589-595.).Raising together with macro, to build complex aquatic cultivating system be one of the effective measures (Wei Wei that controls breeding water body eutrophication, Fang Jianguang and Dong Shuanlin, acting factor in polyculture ecosystem mutually beneficial mechanism. Chinese aquatic science, 2005.12 (3): 220-224.).At present, tangleweed has become an important bioremediation in mariculture industry.
Utilize tangleweed as " biofilter " of nutritive salt, in biological indoor culture is viewed and admired in ocean, be also widely used.For example, in the cultivation of ocean pet fish, often independent algae cylinder (refugium) can be set in water treatment system; by putting some algae rapidly that grow in algae cylinder in a suitable place to breed; as the algae of fainting, sea lettuce, by regularly removing from algae cylinder the object that tangleweed is realized removal system nutritive salt more than needed.But, the nutritive salt that utilizes tangleweed to absorb in water is difficult to the DIN concentration of system to be down to below 10mg/L, therefore in the halobiontic cultivation that reef-building coral etc. is had relatively high expectations to breeding environment, conventionally need algae cylinder and other mechanical device (such as nitrate removal device) etc. to combine and could better realize the object that nutritive salt is controlled, this had both increased cost, also uneconomical.
Summary of the invention
The object of this invention is to provide have design simple and easy, use the features such as efficient and with low cost, not only can be for the halobiontic indoor culture (NO relatively low to water quality requirement
3 -<30mg/L), by combining with " Berlin " system (claiming again natural system method), and can be used for reef-building coral etc. to the higher (NO of water quality requirement
3 -<5mg/L) a kind of algae screen system for indoor mariculture water treatment of halobiontic cultivation.
The present invention is provided with support frame, algae screen and lighting device; Described support frame is provided with shell, endless tube, support chip, inlet channel and outlet conduit, an opening is established in shell below, and opening is connected with outlet conduit, and endless tube is placed in upper limb inside shell, endless tube is supported by support chip and is connected with inlet channel, and described support chip is connected with shell; Algae screen is placed in endless tube below and is close to outer casing inner wall, and described algae screen is comprised of grid screen and the thread marine alga pad being attached on grid screen; Described lighting device is placed in support frame, and the light fixture of lighting device is isolated by transparent housing and water environment; The pending seawater that enters endless tube shields upper limb by the small hole injection being clouded on endless tube in algae, seawater along algae screen and under, uniform fold shields in whole algae, finally by drainage pipeline, enter cultivating system, utilize the growth be inoculated in the thread marine alga on grid screen to realize the object of removal system nutritive salt more than needed.
Described inlet channel is furnished with water intake ball valve, and described outlet conduit is furnished with water outlet ball valve.
Described extended distance shell bottom is preferably 2～3cm.
Described endless tube is preferably 3～5cm apart from the distance of shell top.
Described aperture can be located at 45 ° of the nearly shell of endless tube one skew back belows and locate, and hole diameter be take 2～3mm as good, and little interporal lacuna is advisable with 0.5cm.
Described grid screen material can adopt the toughness such as fiber, plastics, pp material better and the material of inanimate object toxicity, the grid that gathers on it, and the grid of described grid screen is less than 1mm
2.
The size of described grid screen is determined according to processing water volume, with >1cm
2/ L is advisable.
Described shell can be square, cylindrical or Else Rule shape, the material of shell can select rigidity better, hardness is higher and the material of waterproof sealing, as PVC, acrylic and glass material, take lighttight PVC material as best.
On described support frame, the shape of endless tube is determined according to outer shell morphology, and material is selected the material that the rigidity such as PVC are better, hardness is higher.
Marine alga pad on described algae screen is preferably selected the thread algae such as Enteromorpha (Enteromorpha), bristle algae (Cladophora), can artificial infection on grid screen.
The light fixture of described lighting device can be selected electricity-saving lamp, fluorescent tube, LED SMD lamp etc., and light fixture can be isolated by transparent housing and water environment; Light fixture also can directly be selected the submarine light of transparent housing.Transparent housing need select rigidity better, and the good material of warm tolerance, as glass etc.The power setting of lighting device is determined according to the size of the size of breeding water body and algae screen, and colour temperature be take 2700K as good, not higher than 6400K.
The algae growing in the present invention is the thread tangleweed that a class is considered to blanket algae (turf algae), generally highly be not more than 2cm, but it has growth rate faster than general tangleweed, can on screen, generate thick algae blanket (algal mat), according to the size of breeding water body, build a certain size algae screen system, can promptly the DIN concentration of cultivating system be reduced to below 1mg/L, this to reef-building coral etc. to water environment exigent mariculture provide one very economical, efficient technological means, the marketization that Zhe Dui China views and admires ocean biological is promoted strong technical support is provided.
The present invention relates to a kind of water treatment system that is mainly used in the nutritive salt more than needed for the treatment of system in the mariculture processes such as coral, fish, it can combine with Berlin system of coral cultivation, for making in the middle of the propagating artificially of reef coral.
Accompanying drawing explanation
Fig. 1 is that the master of the embodiment of the present invention (a kind of be applied to mariculture water treatment) looks schematic diagram.
Fig. 2 is that the master of the embodiment of the present invention (a kind of be applied to mariculture water treatment) looks schematic internal view.
Fig. 3 is the schematic side view of the embodiment of the present invention (a kind of be applied to mariculture water treatment).
Fig. 4 is the grid screen structural representation of the embodiment of the present invention (a kind of be applied to mariculture water treatment).
Fig. 5 is algae screen and endless tube sectional view.
Fig. 6 is algae screen (grid screen marine alga adhere to after) the actual effect figure of the embodiment of the present invention (a kind of be applied to mariculture water treatment).
Fig. 7 is for loading respectively the comparison diagram of Berlin system treatment of nitric acid salt ability of faint algae culturing jar and algae screen system.In Fig. 7, abscissa is algae cylinder and algae screen, and ordinate is nitrate (mg/L).
Embodiment
The present invention will be further described in connection with accompanying drawing for following examples:
Referring to Fig. 1～6, the embodiment of the present invention is provided with support frame, algae screen 8 and lighting device; Described support frame is provided with shell 1, endless tube 2, support chip 3, inlet channel 5 and outlet conduit 6, an opening is established in shell 1 below, opening is connected with outlet conduit 6, endless tube 2 is placed in shell 1 inner side upper limb, endless tube 2 is supported by support chip 3 and is connected with inlet channel 5, and described support chip 3 is connected with shell 1; Algae screen 8 is placed in endless tube 2 belows and is close to shell 1 inwall, and described algae screen 8 is comprised of grid screen and the thread marine alga pad being attached on grid screen; Described lighting device is placed in support frame, and the light fixture 10 of lighting device is isolated by transparent housing 9 and water environment; The pending seawater that enters endless tube 2 sprays in algae and shields 8 upper limbs by being clouded in aperture 7 on endless tube, seawater along algae screen 8 and under, uniform fold is in whole algae screen 8, finally by drainage pipeline 6, enter cultivating system, utilize the growth be inoculated in the thread marine alga on grid screen to realize the object of removal system nutritive salt more than needed.
Described inlet channel 5 is furnished with water intake ball valve 41, and described outlet conduit 6 is furnished with water outlet ball valve 42.
Described extended distance shell 1 bottom is 2～3cm.
Described endless tube 2 is 3～5cm apart from the distance of shell 1 top, and described aperture 7 is located at 45 ° of the nearly shell of endless tube 21 one skew back belows and is located, and aperture 7 diameters are 2～3mm, and little interporal lacuna is 0.5cm.
Described grid screen material can adopt the toughness such as fiber, plastics, pp material better and the material of inanimate object toxicity, the grid that gathers on it, and the grid of described grid screen is less than 1mm
2.
The size of described grid screen is determined according to processing water volume, with >1cm
2/ L is advisable.
Described shell can be square, cylindrical or Else Rule shape, the material of shell can select rigidity better, hardness is higher and the material of waterproof sealing, as PVC, acrylic and glass material, take lighttight PVC material as best.
On described support frame, the shape of endless tube is determined according to outer shell morphology, and material is selected the material that the rigidity such as PVC are better, hardness is higher.
Marine alga pad on described algae screen is preferably selected the thread algae such as Enteromorpha (Enteromorpha), bristle algae (Cladophora), can artificial infection on grid screen.
The light fixture of described lighting device can be selected electricity-saving lamp, fluorescent tube, LED SMD lamp etc., and light fixture can be isolated by transparent housing and water environment; Light fixture also can directly be selected the submarine light of transparent housing.Transparent housing need select rigidity better, and the good material of warm tolerance, as glass etc.The power setting of lighting device is determined according to the size of the size of breeding water body and algae screen, and colour temperature be take 2700K as good, not higher than 6400K.
In Fig. 6, the tangleweed being attached on grid screen is Enteromorpha (Enteromorpha sp.).
Loading is fainted the comparison diagram of Berlin system treatment of nitric acid salt ability of algae culturing jar and algae screen system referring to Fig. 7.
Embodiment 1: at certain coral cultivation aquarium, and the about 600L of breeding water body, we build an algae screen system, 2 of grid screens, big or small about 30cm*30cm according to described architectural feature.Algae screen system is loaded on to coral cultivating system (Berlin system: the stone+Protein Skimmer of living), after 1 week, on grid screen, start long silkweed Enteromorpha Enteromorpha spp., after 1 month, Enteromorpha covers whole algae screen, the concentration of system nutritive salt is down to below 0.5mg/L from 15mg/L, cultivates nearly 20 kinds and make reef coral, well-grown in system.
Embodiment 2: in certain coral cultivating system (the about 800L of breeding water body), we have relatively loaded the ability of Berlin system processing nutritive salt of tangleweed culturing jar (the algae Caulerpa sp. that faints, calls caulerpa cylinder in the following text) and algae screen system.By continuing to monitor of nitrate concentration, we find, in the algae cylinder of fainting, nitrate concentration fluctuates between 10～20mg/L, and the algae screen system that the present invention sets up can be down to nutritive salt 0.2～1.0mg/L(Fig. 7).When thread seaweed bio amount is higher, by the thread marine alga of blowing off on algae screen, realize the object that removes nutritive salt from system.But, marine alga is scraped from the nitrate concentration of cultivating system in after algae screen 1～2 day can there is slight fluctuation, nitrate concentration can be from rising to 2mg/L, but also far below 10～20mg/L, show that the nutritive salt treatment effeciency of algae screen system is far above the treatment effeciency of the algae of fainting.
Claims (12)
1. for an algae screen system for indoor mariculture water treatment, it is characterized in that being provided with support frame, algae screen and lighting device; Described support frame is provided with shell, endless tube, support chip, inlet channel and outlet conduit, an opening is established in shell below, and opening is connected with outlet conduit, and endless tube is placed in upper limb inside shell, endless tube is supported by support chip and is connected with inlet channel, and described support chip is connected with shell; Algae screen is placed in endless tube below and is close to outer casing inner wall, and described algae screen is comprised of grid screen and the thread marine alga pad being attached on grid screen; Described lighting device is placed in support frame, and the light fixture of lighting device is isolated by transparent housing and water environment; The pending seawater that enters endless tube shields upper limb by the small hole injection being clouded on endless tube in algae, seawater descends and is covered in whole algae screen along algae screen, finally by outlet conduit, enter cultivating system, utilize the growth that is inoculated in the thread marine alga on grid screen to remove cultivating system nutritive salt more than needed.
2. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described inlet channel is furnished with water intake ball valve, and described outlet conduit is furnished with water outlet ball valve.
3. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described extended distance shell bottom is 2～3cm.
4. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described endless tube is 3～5cm apart from the distance of shell top.
5. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described aperture is located at 45 ° of the nearly shell of endless tube one skew back belows and locates, and hole diameter is 2～3mm, and little interporal lacuna is 0.5cm.
6. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that the grid of described grid screen is less than 1mm
2.
7. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described shell is square, cylindrical or Else Rule shape.
8. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 7, the material that it is characterized in that described shell is selected from a kind of in PVC, acrylic, glass.
9. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 8, is characterized in that the material of described shell is selected from lighttight PVC material.
10. a kind of algae screen system for indoor mariculture water treatment as claimed in claim 1, is characterized in that described thread marine alga selects Enteromorpha or bristle algae.
11. a kind of algae screen systems for indoor mariculture water treatment as claimed in claim 1, the light fixture that it is characterized in that described lighting device is selected from electricity-saving lamp, fluorescent tube, LED SMD lamp, a kind of with in the submarine light of transparent housing.
12. a kind of algae screen systems for indoor mariculture water treatment as claimed in claim 1, the colour temperature that it is characterized in that described lighting device is 2700K.
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| CN103964577B (en) * | 2014-05-06 | 2015-07-08 | 国家海洋局第三海洋研究所 | Algae screen system for indoor small-scale aquaculture water treatment |
| CN105248343B (en) * | 2015-11-03 | 2019-03-12 | 自然资源部第三海洋研究所 | A kind of coral sexual propagation system |
| CN108990881A (en) * | 2018-08-24 | 2018-12-14 | 广西大学 | A kind of coral sexual propagation system |
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| WO2011089077A1 (en) * | 2010-01-20 | 2011-07-28 | Springburn Trading Ltd. | Filtering system |
| US9115008B2 (en) * | 2011-05-12 | 2015-08-25 | Bryan H. Farrish | Method and apparatus for upflow algae scrubber, macroalgal photobioreactor and seaweed cultivator |
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