CN105600941A - Method for improving water quality of drinking water source - Google Patents
Method for improving water quality of drinking water source Download PDFInfo
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- CN105600941A CN105600941A CN201610179029.XA CN201610179029A CN105600941A CN 105600941 A CN105600941 A CN 105600941A CN 201610179029 A CN201610179029 A CN 201610179029A CN 105600941 A CN105600941 A CN 105600941A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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Abstract
The invention relates to a method for improving water quality of a drinking water source. The method comprises the following steps: (1) removing bottom sludge of a target water; (2) determining a total water volume of the target water as well as a nitrogen content, a phosphorus content and a content of chlorophyll a in the water; (3) dispensing daces, chubs, bighead carps, crucians and weevers into the target water in a ratio of (45 to 55): (25 to 31): (15 to 20): (2 to 5): (1 to 2) according to the total water volume, the nitrogen content, the phosphorus content and the content of the chlorophyll a; (4) and fishing after the daces are dispensed for 8 to 12 months. The water quality of the drinking water source is improved by removing the bottom sludge in combination with the increment of aquatic animal fishes in the water, the algae in the water is reduced, the harm of tap water on the human body can be alleviated, and the disease occurrence probability caused by the water can be reduced; and the advantage of the bottom sludge removal of the water is to remove the phosphorus and heavy metals deposited in the bottom sludge; and on the other aspect, the content of the phosphorus of the water can be controlled.
Description
Technical field
The present invention relates to method for repairing water ecology technical field, relate in particular to a kind of drinking water source ground that promotesThe method of water quality.
Background technology
Water is Source of life, life this, development will, the Xing Shui relation of harnessing the river is happy and peace, be industrialization,The important support of urbanization and agricultural modernization. 80% of China water environment is in contaminated shape at presentCondition, water environment pollution has aggravated drinking water source crisis, due to water pollution, causes the pathogenetic phenomenon of diseaseAlso a lot, according to World Health Organization statistics, it is poor that more than 70% disease of the mankind and water have, therefore drinking water waterThe water quality in seedbed promotes has become current active demand.
Although the improvement on drinking water source ground has adopted various measures, has dropped into a large amount of funds, water qualityStill do not improve, or improve DeGrain, wherein topmost reason is exactly drinking water sourceThe endogenous on ground pollutes and is not resolved, and the endogenous pollution main cause on drinking water source ground is water bodyEutrophication. Have much for the improvement method of body eutrophication, concrete way has four aspects: thingReason, chemistry, microorganism, biological, but these methods all do not have to solve the richness battalion of water body at allFosterization problem.
Summary of the invention
The invention provides a kind of method that promotes drinking water source ground water quality, to solve the problems of the technologies described above.
In order to achieve the above object, technical scheme of the present invention is achieved in that a kind of drinking water water that promotesThe method of seedbed water quality, comprises the following steps: the bed mud of (1) evaluating objects water body, and to target water bodyBed mud carries out desilting; (2) nitrogen content, the phosphorus content in total Water and the target water body of mensuration target water bodyContent with chlorophyll a; (3) according to the content of total Water, nitrogen content, phosphorus content and chlorophyll a to orderIn mark water body, throw in dace, silver carp, bighead, crucian and perch, wherein dace, silver carp, bighead, crucianWith perch ratio be 45～55:25～31:15～20:2～5:1～2; (4) laggard 8～December input daceRow is fished for, within 30 days after fishing for, throw in, supply volume be the dace fishing for out, silver carp, bighead,200% to 300% of the quantity of crucian and perch.
Further, in step (3), use experience formula A=B*W*P*T determines need be to target water bodyThe sum of dace, silver carp, bighead, crucian and the perch of middle input, wherein A is for throwing in sum, and unit isTail, B is for throwing in empirical value: B=11.6～42.8, W is the total Water of target water body, unit is m3, P isTarget water body treating starts first trimester nitrogen phosphorus mean ratio: P=nitrogen content mean value/7* phosphorus content mean value,T is the content value of target water body Determination of Chlorophyll a.
Further, the height of water temperature is proportional with B value, and the size of fish and B value are inverse ratio.
Further, in step (3), the release sequence of fish is: first throw in dace, then throw in silver carp,Throw in again bighead, then throw in crucian, finally throw in perch, when wherein dace, silver carp and bighead are thrown in intervalBetween be 2～4 days, crucian is thrown in latter 30 days and to throw in bighead, perch is thrown in and throws in afterwards for 60 days bighead.
Further, in after bed mud desilting one week of the input of fish, carry out.
Further, in step (3), the dace of input, silver carp, bighead, crucian and five kinds of fishes of perchThe ratio of class is 50:28:18:3:1.
Compared with prior art, the invention has the advantages that: the present invention passes through bed mud desilting in conjunction with increasing water bodyAquatic animal fish promote drinking water source ground water quality, reduce the algae in water body, make the algae of water bodyClass does not become a kind of harm, reduces the cost of the removal algae of waterworks, and reducing running water may be for peopleThe harm that body causes, reduces because the reason of water causes the pathogenetic possibility of disease. The benefit of water-bed desiltingTo remove the phosphorus and the heavy metal that are deposited in bed mud, to reduce the pollution to drinking water, the opposing partyFace is the content of controlling the phosphorus of water body. Crucian is common fresh-water fishes, for spoke fin net-rope Cypriniformes Cyprinidae crucian carp belong toA kind of fish, is mainly the omnivorefish taking plant as food, and meat nutritive value is very high, and crucian medical value is high.Crucian is widely distributed, and all there is production in waters in all parts of the country throughout the year, is one of important edible fishes of China. CrucianLife hierarchy belong to demersal fishes. Adult fish is mainly taking vegetalitas foodstuff as main. Because plant feed is at water bodyIn contain abundantly, kind is often various, wide for what search for food, as the stem of vascular bundle pasture and water, leaf, bud and fruit,Diatom and some shape algae etc., shrimp, earthworm, young spiral shell, insect is also their food; Bighead is lightThe one of water fish, have the refined title of " street cleaner in water ", bighead be grown in freshwater lake, river, reservoir,In pond, be distributed in waters at the middle and upper levels more, can adapt to more fertile water body environment, filter-feeding, mainly eatsThe zooplankters such as wheel animalcule, cladocera, Copepods (as cyclops), also eat part phytoplankton (as diatom andBlue algae) and man-made feeds, be all taking zooplankter as staple food from fry to the adult fish stage, the food phytoplankton of holding concurrently,The fish of typical plankton feeding habit, distribution waters wide range, China from south to the north almostFresh water basin has; Silver carp, belongs to Cyprinidae, is one of four famous large Chinese carps, is the main fresh water of ChinaOne of fish, are distributed in the each large water system in the whole nation, and widely dispersed is general, all has distribution in China each department,Be to distribute the most widely in China fresh-water fishes, silver carp growth is fast, disease is few, output is high, and silver carp belongs at the middle and upper levelsFish, belongs to typical filter-feeding fish, taking algae as food, by the life of swimming in the special construction leaching water of the cheekThing, silver carp happiness rich water, frequent group swims to waters at the middle and upper levels, particularly the more fertile open fire district of water quality;Perch is taking carnivorous as main fish, natural disposition ferociousness, and taking fish, shrimp as food, grazing eclipse is strong, and food ration is large,Adult fish is often looked for food separately, and happiness predation small fish and shrimp, when water quality is good, water temperature is when more than 25 DEG C, juvenile fish food rationCan reach 50% of TBW, adult fish reaches 20%, is common economic fish; Dace is spoke fin net-rope CypriniformesThe one of Cyprinidae, the place of production is in China, and mouth is the next, and tool keratinization edge, maxillomandibular front, is suitable for scraping water intakingEnd attachment, in natural water body, dace can lick aufwuch on objects such as scraping water-bed rock (as rawGreen alga, diatom, thread algae etc.), the organic substance of also ingesting in mud, dace is taking plant as main foodstuff,Often raw algae with the cutin edge of lower jaw scraping on water-bed stone etc., also comprise diatom, green alga andThe chip of higher plant and water-bed humus, its gill raker is arranged tightr, also can run filter food mode concurrently, can take the photographPhytoplankton in drinking water, organic debris and zooplankter are also the food of dace, dace is demersal fishes,Requirement to dissolved oxygen amount is lower, can adapt to more fertile water body, and when water temperature is during at 20～28 DEG C, dissolved oxygen amount is lowIn 1 mg/litre, dace can also normally ingest; Dissolved oxygen amount is low to moderate 0.24 mg/litre and does not also occur suffocating, and fallsAlgae in low water body, makes the algae of water body not become a kind of harm, and the harm of drinking water algae and water isVery serious.
Detailed description of the invention
To the technical scheme of various embodiments of the present invention be carried out to clear, complete description below, obviously, institute retouchesThe embodiment stating is only a part of embodiment of the present invention, instead of whole embodiment. Based on the present inventionIn embodiment, the institute that those of ordinary skill in the art obtain under the prerequisite of not making creative workThere is other embodiment, all belong to the scope that the present invention protects.
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiment 1
The embodiment of the present invention 1 relates to a kind of method that promotes drinking water source ground water quality, comprises the following steps:(1) bed mud of evaluating objects water body, and the bed mud of target water body is carried out to desilting; (2) measure target water bodyTotal Water and target water body in the content of nitrogen content, phosphorus content and chlorophyll a; (3) according to total waterThe content of amount, nitrogen content, phosphorus content and chlorophyll a to throw in target water body dace, silver carp, bighead,Crucian and perch, wherein dace, silver carp, bighead, crucian and perch ratio are 45～55:25～31:15～20:2～5:1～2; (4) fish for throwing in after 8～December of dace, within 30 days after fishing for, throw in, throwPut quantity and be dace, silver carp, bighead, crucian and the perch fishing for out quantity 200% to 300%.
The present invention promotes drinking water source ground water quality by bed mud desilting in conjunction with increasing water body aquatic animal fish, reduce the algae in water body, make the algae of water body not become a kind of harm, reduce going of waterworksExcept the cost of algae, reduce the harm that running water may cause for human body, reduce because the reason of water causesThe pathogenetic possibility of disease. The benefit of Sediments desilting is: can remove and be deposited in bed mud on the one handPhosphorus and heavy metal, to reduce the pollution to drinking water, are the content of controlling the phosphorus of water body on the other hand. Bed mudThe analysis of bed mud is carried out in desilting before improvement for target water body, undertaken, at present by the normal method of desiltingThe dredging technology of bed mud is very ripe, generally for target water body, according to water quality situation bed mud is clear for the first timeAfter completing, silt work can clear up once by every 3-5. Bed mud is water body deposit, is water nutrition materialThe important storehouse of accumulating, gets off to form from extraneous electrodeposition substance, is the source that water body endogenous pollutes,Be in water body pollutant mainly accumulate place, be also the potential pollution source of secondary pollution of water, certainPollutant under condition in bed mud can discharge to be got back in water, for example, in the time that phosphorus concentration in water body reduces, and bed mudIn phosphorus can again discharge again.
Preferably, in step (3), use experience formula A=B*W*P*T determines need be in target water bodyThe sum of dace, silver carp, bighead, crucian and the perch of throwing in, wherein A is for throwing in sum, and unit is tail,B is for throwing in empirical value: B=11.6～42.8, and W is the total Water of target water body, unit is m3, P is targetWater body treating starts first trimester nitrogen phosphorus mean ratio: P=nitrogen content mean value/7* phosphorus content mean value, T isThe content value of target water body Determination of Chlorophyll a.
Wherein being chosen for of W value administered the per day total Water that starts previous month first.
Preferably, the height of water temperature is proportional with B value, and the size of fish and B value are inverse ratio.
Along with the height of temperature carries out choosing of empirical value B, general temperature is higher, and the B value of selection is larger.The size of fish is also with to throw in empirical value relevant, and fish are less, the B value of selection larger.
Preferably, in step (3), the release sequence of fish is: first throw in dace, then throw in silver carp,Throw in again bighead, then throw in crucian, finally throw in perch, when wherein dace, silver carp and bighead are thrown in intervalBetween be 2～4 days, crucian is thrown in latter 30 days and to throw in bighead, perch is thrown in and throws in afterwards for 60 days bighead.
Preferably, in after bed mud desilting one week of the input of fish, carry out.
Preferably, in step (3), the dace of input, silver carp, bighead, crucian and five kinds of fish of perchRatio be 50:28:18:3:1.
Embodiment 2
In the water surface area of 5,000,000 cubes, the nitrogen content mean value that first trimester is administered in plan is 2.06(mg/L) (water quality practical measurement value), the phosphorus content mean value of water body is 0.06 (mg/L) (water body waterMatter practical measurement value), Chlorophyll-a Content is 6.8 (mg/L) (water quality practical measurement values). In temperatureBe 20 to throw in while spending, B value is chosen as 32. The size of fish is chosen for 3 centimeters-4 centimeters big or smallFish. Calculate:
Total injected volume=the B*W*P*T=32*5000000*2.06/7*0.06*6.8=19210000 of A (tail).
The above, be only preferred embodiment of the present invention, not the present invention done any pro formaRestriction, any those skilled in the art, are not departing within the scope of technical solution of the present invention, when can profitMake a little change or be modified to the equivalent embodiment of equivalent variations with the technology contents of above-mentioned announcement, be in every caseDo not depart from the content of technical solution of the present invention, that according to technical spirit of the present invention, above embodiment is done appointsWhat simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a method that promotes drinking water source ground water quality, is characterized in that, comprises the following steps:
(1) bed mud of evaluating objects water body, and the bed mud of target water body is carried out to desilting;
(2) nitrogen content, phosphorus content and the chlorophyll a in total Water and the target water body of mensuration target water bodyContent;
(3) in target water body, throw in dace according to the content of total Water, nitrogen content, phosphorus content and chlorophyll aFish, silver carp, bighead, crucian and perch, wherein dace, silver carp, bighead, crucian and perch ratio are 45～55:25～31：15～20：2～5：1～2；
(4) fish for throwing in after 8～December of dace, within 30 days after fishing for, again throw in, againThe quantity of throwing in be dace, silver carp, bighead, crucian and the perch fishing for out quantity 200% to 300%.
2. the method for lifting drinking water source as claimed in claim 1 ground water quality, is characterized in that: in stepSuddenly in (3), use experience formula A=B*W*P*T determine need to the dace of throwing in target water body, silver carp,The sum of bighead, crucian and perch, wherein A is for throwing in sum, and unit is tail, and B is for throwing in empirical value:B=11.6～42.8, W is the total Water of target water body, unit is m3, P is that target water body treating starts first threeIndividual month nitrogen phosphorus mean ratio: P=nitrogen content mean value/7* phosphorus content mean value, T is target water body Determination of ChlorophyllThe content value of a.
3. the method for lifting drinking water source as claimed in claim 2 ground water quality, is characterized in that: water bodyThe height of temperature is proportional with B value, and the size of fish and B value are inverse ratio.
4. the method for lifting drinking water source as claimed in claim 1 ground water quality, is characterized in that: in stepSuddenly in (3), the release sequence of fish is: first throw in dace, then throw in silver carp, then throw in bighead, then throwPut crucian, finally throw in perch, wherein dace, silver carp and bighead to throw in interval time be 2～4 days, crucianThrow in latter 30 days and throw in bighead, perch is thrown in and throws in afterwards for 60 days bighead.
5. the method for lifting drinking water source as claimed in claim 1 ground water quality, is characterized in that: fishAfter bed mud desilting one week of input in carry out.
6. the method for lifting drinking water source as claimed in claim 1 ground water quality, is characterized in that: in stepSuddenly in (3), the ratio of the dace of input, silver carp, bighead, crucian and five kinds of fish of perch is 50:28: 18：3：1。
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| CN201610179029.XA CN105600941A (en) | 2016-03-24 | 2016-03-24 | Method for improving water quality of drinking water source |
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| CN201610179029.XA CN105600941A (en) | 2016-03-24 | 2016-03-24 | Method for improving water quality of drinking water source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
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| US4793929A (en) * | 1986-05-28 | 1988-12-27 | Kickuth Reinhold W | Method for the purification of sewage waters |
| CN101654301A (en) * | 2008-12-30 | 2010-02-24 | 上海海洋大学 | Water conservation fishery method capable of improving water quality of lakes and reservoirs intermediately and lightly eutrophicated |
| CN102040284A (en) * | 2010-11-05 | 2011-05-04 | 天津科技大学 | Large benthos and submerged plant combined eutrophication control method |
| CN102092852A (en) * | 2010-11-08 | 2011-06-15 | 上海海洋大学 | Biological phosphorus-controlling and phosphorus-removing method used in eutrophic lake internal pollution |
| CN105347502A (en) * | 2015-12-12 | 2016-02-24 | 潘宏坚 | Method for reducing nitrogen and phosphorus in eutrophic water body |
| CN105417720A (en) * | 2015-12-31 | 2016-03-23 | 潘宏坚 | Method for controlling eutrophic water algae |
-
2016
- 2016-03-24 CN CN201610179029.XA patent/CN105600941A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793929A (en) * | 1986-05-28 | 1988-12-27 | Kickuth Reinhold W | Method for the purification of sewage waters |
| CN101654301A (en) * | 2008-12-30 | 2010-02-24 | 上海海洋大学 | Water conservation fishery method capable of improving water quality of lakes and reservoirs intermediately and lightly eutrophicated |
| CN102040284A (en) * | 2010-11-05 | 2011-05-04 | 天津科技大学 | Large benthos and submerged plant combined eutrophication control method |
| CN102092852A (en) * | 2010-11-08 | 2011-06-15 | 上海海洋大学 | Biological phosphorus-controlling and phosphorus-removing method used in eutrophic lake internal pollution |
| CN105347502A (en) * | 2015-12-12 | 2016-02-24 | 潘宏坚 | Method for reducing nitrogen and phosphorus in eutrophic water body |
| CN105417720A (en) * | 2015-12-31 | 2016-03-23 | 潘宏坚 | Method for controlling eutrophic water algae |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
| CN107954519B (en) * | 2017-12-05 | 2021-03-30 | 杨州 | Method for improving landscape water environment |
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