CN101885541A

CN101885541A - Comprehensive treatment method of water eutrophication by anti-algae insects

Info

Publication number: CN101885541A
Application number: CN2010102189715A
Authority: CN
Inventors: 毛晓敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-01
Filing date: 2010-07-01
Publication date: 2010-11-17

Abstract

The invention relates to a water treatment technology of rivers, lakes and landscapes, in particular to a comprehensive treatment method of water eutrophication by anti-algae insects, which solves the problem of algae pollution of landscape water. The method comprises the following steps: selecting the anti-algae insects and then placing in water for raising; taking a sewage sample from a water area to be treated; throwing the anti-algae insects which grow stably into the sewage sample, adaptively screening, and then throwing the selected anti-algae insects into the water according to the standard that the first throwing quantity in the transformed water is not less than 1*105-2*105/m<3>; according to the effect of eliminating algae in the water, throwing the anti-algae insects for the second time; after the water is improved, implanting submerged plants into the water; and after the submerged plants grow and reproduce, throwing a certain amount of aquatic organisms such as fish, shrimp and the like into the water to form a complete underwater ecosystem. The method of the invention hits the key technical point of water treatment by the anti-algae insects, thus achieving good initial effect and faster effect and speed of removing the algae; and the transparency of the water is rapidly improved, which is beneficial to growth of waterweeds.

Description

Utilize the method for algal control worm comprehensive regulation body eutrophication

Technical field

The present invention relates to a kind of river course, lake, treating landscape water body technology, be specially a kind of method of utilizing algal control worm comprehensive regulation body eutrophication.

Background technology

Algal control worm (Cyclops): the algal control worm is a kind of as the Daphnia magna class, and the filter-feeding cladocera is that it can be the above sewage of 2mg/l at dissolved oxygen through the zooplankton of domestication

Growth and breeding in the environment, originally purposes is in this direction of aquaculture, through constantly domestication, rejuvenation further strengthens adaptive faculty and the processing power of algal control worm in polluted-water after domestication.In recent years, large-area alga eruption phenomenon often appears in the rivers,lakes and seas of China, a large amount of breeding havocs of algae the balance and stability of aquatic ecosystem, influenced the water supply of source water, water landscape, the development of culture fishery, the prolific reason of algae animals and plants is ammonia nitrogen in the water body, nutritive substances such as phosphorus are too much, and the algae animals and plants are caused by the photosynthesis raised growth.Therefore the improvement of algae is a world-famous puzzle always.Recently the scientific research personnel begins to utilize the method for algal control worm predation algae to go to administer the problem of alga eruption in the water body, and has obtained certain effect.Number of patent application is 200810037051.6 to disclose a kind of method for repairing water ecology, may further comprise the steps: (A): tame a kind of zooplankton, make the algae pollution in its eutrophic water body of can ingesting, become the algal control worm, (B): the algal control worm is rendered to by in the eutrophic water body of algae pollution this algal control worm algae in the water body that ingests wherein, thereby purifying water body, repair the eubiosis under water, form the water ecology self-cleaning.Before this patent application, this technology contents that utilizes planktonic organism to eliminate algae closely has report, in this technical scheme, do not provide concrete operation scheme, for example only record is fed with special formulation and is tamed and dociled the algal control worm, increase anti-algae toxin function etc., but do not provide technique means, the technician discovers in addition, and increasing algal control worm body volume is not to improve the best means of removing algae.But those skilled in the art considered that the algal control worm is administered contains algae sewage possible in theory, but is a kind of exercisable technology with theoretical conversion how, still remains the technician to develop discussion.

Summary of the invention

The present invention eliminates the algae pollution that the body eutrophication phenomenon causes for thorough, and a kind of method of utilizing algal control worm comprehensive regulation body eutrophication is provided.

The present invention is realized by following technical scheme, a kind of method of utilizing algal control worm comprehensive regulation body eutrophication, select algal control worm (algal control worm), putting into water raises, during raising 20-30 days, throw in the blue-green algae powder in 0-20 days, injected volume increases progressively with 5-10%, injected volume is stable in 20-30 day, and quantity and the vigor of algal control this moment worm all reach optimum regime; Get the sewage sample that to administer the waters again, the algal control worm that will grow stable is then put in the sewage sample, through 2-3 days adaptation selection process, measures polypide density, estimate to be transformed the volume of water body again, injected volume is not less than 1X10 according to being transformed in the water body first ⁵-2X10 ⁵The standard of/cubic meter water is thrown in; Polluted-water needs aeration to handle, and dissolved oxygen levels is risen to be not less than the 2mg/L level, throws in once behind the two weeks again, so far finishes the algal control worm and throws in work; According to the removing effect of algae in the water body, can also select second to take turns input, treat that water body improves after, in water body, implant submerged plant again, after treating submerged plant growth and breeding, drop into hydrobionts such as a certain amount of fishes and shrimps again, form a more complete ecosystem under water.

The algal control worm mainly with the algae animals and plants as food source, interrupted the rapid breeding of algae, stoped algae to consume the water body dissolved oxygen too much, allow dissolved oxygen in the water body remain on and can keep the metabolic level of organism in water.Progressively in water body, introduce senior hydrocoles such as spiral shell, shellfish, fish, shrimps again, algal control worm and aquatic vegetation can be eaten up by senior hydrocoles such as fish, shrimp, spiral shell, shellfishes again, by food chain the nitrogen in the water body water, phosphorus nutrition material are migrated out from water body, thoroughly reduce the eutrophication degree in the water body water, thereby recover the natural, ecological repairing effect of water body.

Compared with prior art, the gordian technique point that scheme of the present invention has been hited and utilized the algal control worm to dispose of sewage, so the initial stage is respond well, it is very fast to remove algae effect and velocity ratio; Water transparency improves rapidly this environment and relatively helps the pasture and water growth, carry out the dissolved oxygen that the photosynthesis process discharges by pasture and water and replenish the dissolved oxygen content that water body consumes conversely, has promoted the normal growth of planktonic organism, fish, pasture and water; Effective in the organism in the water body, ammonia nitrogen, indexs such as phosphorus reduce, the non-secondary pollution deposits yields.

1, guarantee that The water is no clear that one can see down to the bottom, water transparency is brought up to about 200 centimetres from about 50 centimetres, and main water quality eutrophy index reaches national surface water four class water quality standard (drinking water source primary standard) (data can be measured by water quality monitoring (WQM) authoritative institution).

2, to the clearance of algae, total nitrogen, total phosphorus and COD be respectively 99%, 90-95%, 80-90%, 70-80%.

3, except that the submerged vegetation that accounts for the leading self-purification function of water body is recovered, also want and to recover aquatic ornamental plant water lily, lotus etc. by plantation.

4, further can recover the original part of water body original inhabitants aquatic insect, the end dwell worm, oligochaetes animal, spiral shell, shellfish and part water body fish dwell at the end.

5, form the stable eubiosis comprehensively, and set up follow-up eubiosis maintaining system means and working specification.

Embodiment

Embodiment 1, has 1000 cubic metres landscape pond to handle approximately at certain sub-district, this landscape water by poor management, algal grown is serious, ecology itself is substantially destroyed, and does not have self-repairing capability.We utilize the method for this body eutrophication of the algal control worm comprehensive regulation, select algal control worm (algal control worm), putting into water raises, during raising 20-30 days, throw in blue-green algae powder or scenedemine (dropping into the 10-100 gram in every premium on currency), chlorella in 0-20 days, injected volume with every day 5-10% increase progressively, injected volume keeps stable in 20-30 day, quantity and the vigor of algal control this moment worm all reach optimum regime; Get the sewage sample that to administer the waters again, the algal control worm that will grow stable is then put in the sewage sample, through 2-3 days adaptation selection process, measures polypide density, estimate to be transformed the volume of water body again, injected volume is not less than 1X10 according to being transformed in the water body first ⁵-2X10 ⁵The standard of/cubic meter water is thrown in; Polluted-water needs aeration to handle, dissolved oxygen levels is risen to be not less than the 2mg/L level, throw in once again behind the two weeks, so far finish the algal control worm and throw in work, approximately the algae green alga in the water body is eliminated totally basically after 2-3 month, and algal control this moment borer population amount also descends rapidly owing to lack food.After treating that water body improves, in water body, implant submerged plant again, treat submerged plant growth and breeding after, drop into hydrobionts such as a certain amount of fishes and shrimps again, form a more complete ecosystem under water.To arrange the special messenger that water body is carried out source control then, forbid that the sewage of phosphorous nitrogen enters in the water, to prevent that all that has been achieved is spoiled.

Claims

1. method of utilizing algal control worm comprehensive regulation body eutrophication, it is characterized in that: select the algal control worm, putting into water raises, during raising 20-30 days, throw in the blue-green algae powder in 0-20 days, injected volume increases progressively with 5-10%, and injected volume is stable in 20-30 day, and quantity and the vigor of algal control this moment worm all reach optimum regime; Get the sewage sample that to administer the waters again, the algal control worm that will grow stable is then put in the sewage sample, through 2-3 days adaptation selection process, measures polypide density, estimate to be transformed the volume of water body again, injected volume is not less than 1X10 according to being transformed in the water body first ⁵-2X10 ⁵The standard of/cubic meter water is thrown in; Polluted-water needs aeration to handle, and dissolved oxygen levels is risen to be not less than the 2mg/L level, throws in once behind the two weeks again, so far finishes algivorous insect input work.

2. the method for utilizing algal control worm comprehensive regulation body eutrophication according to claim 1, it is characterized in that: according to the removing effect of algae in the water body, select second to take turns input, after treating that water body improves, in water body, implant submerged plant again, after treating submerged plant growth and breeding, drop into hydrobionts such as fishes and shrimps again, form a complete ecosystem under water.