CN100335423C - Water purifying method for cultivation pond - Google Patents
Water purifying method for cultivation pond Download PDFInfo
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- CN100335423C CN100335423C CNB2006100597501A CN200610059750A CN100335423C CN 100335423 C CN100335423 C CN 100335423C CN B2006100597501 A CNB2006100597501 A CN B2006100597501A CN 200610059750 A CN200610059750 A CN 200610059750A CN 100335423 C CN100335423 C CN 100335423C
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Abstract
The present invention discloses a water purifying method for a cultivation pond. The water purifying method comprises the following steps: cultivation waste water in the bottom layer at the center of a cultivation pond is pumped into a water bath by a water pump; suspended organic matters in the cultivation waste water are separated in the water bath; the cultivation waste water which is separated from the suspended organic matters is processed in a natural photochemical catalysis oxidation mode to return to the cultivation pond, and a water cycle is formed. The water purifying method of the present invention solves the problems that the administrative cost for water is high, and the environment is polluted existing in aquaculture, improves rationalization and biology conditions for cultivation water, and enhances the stability of cultivation hydroenvironment. The present invention is suitable for the water quality management of pond cultivation with sea and fresh water.
Description
Technical field
The present invention relates to the circulating water body purification method of a kind of water body purification method of cultivating pool, particularly a kind of cultivating pool.
Background technology
At ubiquitous nitrogen, phosphorus, organic suspension thing and harmful microorganism etc. in mass-producing aquaculture water and the draining to the disadvantageous effect of cultivated animals and water surrounding, existing solution mainly be take to change water, add chemical oxidation medicament or microecological microbial agent, method such as service water purification, ecosystem compensation.Change the water measure and be directly regularly the fresh cleaning water of restock part behind the discharge unit breeding wastewater, to reach the physics and chemistry that improves water body and the purpose of biology condition.The disadvantage of changing water is at the cost of the environment.The disadvantage that regularly adds the chemical oxidation medicament is also to have destroyed the eubiosis of aquaculture water, running cost height simultaneously at the oxidation toxicide.The disadvantage that regularly adds microecological microbial agent is to cause easily that the physics and chemistry of water body and biological indicator produce to fluctuate widely the running cost height.Adopt the equipment manufacturing cost height of service water purifying treatment method, the running cost height.Problems such as ecosystem equalising means major cause exists floor space big, and the operational management difficulty is bigger have influenced its application to a certain extent.
Summary of the invention
The objective of the invention is to solve the water body handling cost height and the problem of environment pollution caused that exist in the aquaculture, improve the stability of physics and chemistry and the biology condition and the enhancing cultivation water environment of aquaculture water.
To achieve these goals, the invention provides a kind of water body purification method of cultivating pool, this method comprises:
Water body purification method of the present invention is to utilize the shallow layer precipitating principle to separate suspended organic matter in the breeding wastewater.The degree of depth of shallow seated groundwater is generally at 0.3-0.6 rice, and the residence time is about 20-40 minute, and going out water speed is 0.7-1.5m
3/ m.h carries out solid-liquid separation under the condition that is bordering on " zero " speed.Described natural light chemical catalytic oxidation process produces active oxygen radical and aeration plays denitrogenation detoxifcation and the effect of oxygenating algal control bacteriostatic.This natural light chemical catalytic oxidation carries out on an inclined-plane, the about 30-60 degree of the gradient on inclined-plane, and water layer is the gravity laminar flow on the inclined-plane, and flow process is greater than 1 meter, and water layer thickness is less than 0.3 millimeter.Breeding wastewater after purifying in the shallow-layer tank turns back to described cultivating pool again through described inclined-plane.When carrying out described water cycle, make the horizontal circulation of water generates of described cultivating pool by the oxygenating machine that is provided with around the described cultivating pool, according to eddy current and the stratified hydraulic principle of density difference, formed the static relatively of cultivating pool central authorities bottom water, helped organic detritus to compile to the center, pond.
The present invention is according to chemistry, physical properties and the hydraulic principle of impurity in the aquaculture wastewater, utilize thin water layer natural light chemical catalytic oxidation principle denitrogenation detoxifcation and oxygenating algal control antibacterial, adopting poly-dirt of hydromechanics and power to draw dirty mode causes the pond waters well blend and improves bottom water surrounding condition, utilize the shallow layer precipitating principle to divide dried up middle suspended organic matter, the mode of utilizing photochemistry to produce oxygen and atmosphere natural reaeration is water body oxygenation, culture mud natural dehydration and drying in groove, breeding wastewater no longer effluxes in culturing through the circular treatment fully recovering.In addition, a small amount of organic dewatered sludge is removed from treatment facility and be can be used as agriculture organic manure resource and utilize on the spot.Having realized " zero release " of circulating water cultivation and aquaculture wastewater, is a kind of multi-functional, low-cost, the effective water body purification method that satisfies environmental requirement, is suitable for the water quality management of sea, freshwater breed.
Description of drawings
Fig. 1 is the system schematic of water body purification method of the present invention.
Fig. 2 is the system schematic that the present invention adopts the water body purification method of the reallocation ditch of purifying waste water.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed description further.
Referring to Fig. 1, water body purification method of the present invention can by form on the dirty pipe unit 2 of collection, central blowdown pipe 3, water pump 4, hydraulic pipe 5, water-distributing device 6, shallow layer precipitating tank 7 and the photochemical inclined-plane 8 of the aquaculture pond 1 center bottom setting of mild pot bottom type natural light recirculating water purification system realize.Collect dirty pipe unit 2 and draw blow-off pipe by 8 dirty hard plastic tubes of perforation collection and 1 and form, be used to compile residue and bottom inferior at the bottom of the pond.Central blowdown pipe 3 is socket hard plastic tubes, and waste water and residue than high organic loading are risen in the shallow layer precipitating tank 7 through hydraulic pipe 5 by water pump 4.The photochemical inclined-plane 8 of water shallow layer precipitating tank 7 and thin water layer is built with the dam body one of cultivating pool 1, and shallow layer precipitating tank 7 is positioned on the Bianba of cultivating pool 1, and 8 side slopes by cultivating pool 1 in photochemical inclined-plane constitute.The degree of depth of shallow layer precipitating tank 7 is about 0.5 meter, and the gradient on photochemical inclined-plane 8 is that width (being the flow process of liquid on it) is 1.5m about 45 degree.Water-distributing device 6 can be the perforated tube water-distributing device, so that breeding wastewater is long to distribution at shallow layer precipitating tank 7.
Referring to Fig. 2,, the reallocation ditch 9 of purifying waste water can be set between shallow layer precipitating tank 7 and smooth bevel 8 for breeding wastewater after the purifying treatment or flushing pool waste water can be redistributed in other cultivating pool.The breeding wastewater of the removal organic suspension thing that is overflowed by shallow layer precipitating tank 7 is introduced into the reallocation ditch 9 of purifying waste water, and is spilt on the smooth bevel 8 by the reallocation ditch 9 of purifying waste water again.Wherein the water of partly or entirely handling through shallow layer precipitating tank 7 can be transported in other cultivating pool through a brake tube 10 by the 0.15 meter wide reallocation ditch 9 of purifying waste water and use.In addition, also can be provided with layering draining mouth of pipe (not shown) between the ditch 9 at the shallow layer precipitating tank 7 and the reallocation of purifying waste water.
In pond culture in earlier stage, this water body purification system need not move.At this moment shallow layer precipitating tank 7 uses as mud nature mummifying pool, and being deposited in organic sludge in the groove during above-mentioned breeding wastewater circularly purifying becomes solid-stately after dewatering naturally, manually shovels out and is used for the utilization of forest organic manure resource.
Use said apparatus, both can satisfy the requirement of aquaculture, can prevent again because the problem of environmental pollution that the breeding wastewater discharging causes produces to quality of water environment.
The present invention divides by adopting shallow layer precipitating that suspended organic matter and the denitrogenation detoxifcation of thin water layer natural light chemical catalytic oxidation and oxygenating algal control are antibacterial in dried up makes water reuse, and the heavy-oxygen-enriched water after the purification recycles from flowing back into to culture in the pond, causes the perpendicular flow of Chi Zhongshui.This water cycle mode has formed the overall flow of culturing water in the pond, helps breaking the water body demixing phenomenon, improves base ring border, pool quality.
Referring to table 1～3, by to chemical oxygen demand (COD) (COD) before and after handling, suspended substance (SS), " three N " and phosphatic mensuration can find out that water body purification method of the present invention can reduce solvability ammonia-state nitrogen, nitrite nitrogen, the nitric nitrogen of aquaculture water, and suspended substance and organism.Water inlet wherein is meant the water body of the entry position of shallow layer precipitating tank 7, and water outlet is meant that through the inclined-plane 8 return the water body of cultivating pool 1.
The removal effect of COD in the table 1 pair waste water
| COD measures number of times | Water inlet mg/l | Water outlet mg/l | Clearance % |
| 1 | 383.6 | 284.6 | 25.81 |
| 2 | 318.6 | 207.3 | 34.93 |
| 3 | 358.8 | 262.4 | 26.86 |
| 4 | 375.2 | 287.0 | 23.51 |
| 5 | 392.2 | 297.8 | 23.77 |
| Average removal rate | 26.98 |
The removal effect of SS in the table 2 pair waste water
| SS measures number of times | Water inlet mg/l | Water outlet mg/l | Clearance % |
| 1 | 182.5 | 30.5 | 83.29 |
| 2 | 186.5 | 27.5 | 85.25 |
| 3 | 180.2 | 33.0 | 81.69 |
| 4 | 187.8 | 40.0 | 78.70 |
| 5 | 194.0 | 41.5 | 78.61 |
| Average removal rate | 81.51 |
" three N " and phosphatic removal effect in the table 3 pair waste water
| Project | Water inlet mg/l | Water outlet mg/l | Clearance % |
| Nitrate attitude nitrogen | 0.4190-0.5575 | 0.3705-0.4325 | 10.37-27.35 |
| Nitrite attitude nitrogen | 0.0550-0.1526 | 0.0218-0.0488 | 22.45-44.74 |
| Ammonia-state nitrogen | 0.1632-0.4355 | 0.0337-0.2775 | 13.39-79.53 |
| Phosphoric acid salt | 0.1580-0.1920 | 0.0960-0.1070 | 39.24-44.27 |
In addition, also nitrite attitude nitrogen in the water at the bottom of the pool is measured, nitrite attitude nitrogen concentration is the 0.1628-0.1666 mg/litre in the cultivating pool bottom water of employing water body purification method of the present invention, and nitrite nitrogen concentration is the 0.4307-0.4492 mg/litre in the contrast cultivating pool bottom water.This shows that water body purification method of the present invention has improved the water body quality of cultivating pool greatly.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1, a kind of water body purification method of cultivating pool comprises:
Step 1 is rested the breeding wastewater of growing pond central authorities bottom with water pump and is promoted in the tank;
Step 2 is isolated the suspended organic matter in the breeding wastewater in described tank;
Step 3 will be isolated the breeding wastewater of suspended organic matter after the natural light chemical catalytic oxidation is handled, and turn back to described cultivating pool again, form water cycle.
2, water body purification method according to claim 1, in the wherein said step 2, suspended organic matter is to adopt the shallow layer precipitating method in the described separation breeding wastewater.
3, water body purification method according to claim 2, in the wherein said shallow layer precipitating method, the degree of depth of shallow seated groundwater is a 0.3-0.6 rice, and the residence time is 20-40 minute, and going out water speed is 0.7-1.5m
3/ m.h.
4, water body purification method according to claim 3, the degree of depth of wherein said shallow seated groundwater are 0.4-0.5 rice, and the residence time is 30 minutes, and going out water speed is 1.0m
3/ m.h.
5, water body purification method according to claim 1, wherein said natural light chemical catalytic oxidation comprise the breeding wastewater of the isolating suspended organic matter inclined-plane of flowing through.
6, water body purification method according to claim 5, wherein the gradient on the inclined-plane of Cai Yonging is the 30-60 degree.
7, water body purification method according to claim 6, wherein the gradient on the inclined-plane of Cai Yonging is 45 degree.
8, water body purification method according to claim 5, the wherein said flow process of breeding wastewater on described inclined-plane of isolating suspended organic matter is greater than 1 meter, and thickness is less than 0.3 millimeter.
9, water body purification method according to claim 5, wherein the dam body of inclined-plane of Cai Yonging and tank and cultivating pool is an one.
10, according to each described water body purification method of claim 1～9, wherein when carrying out described water cycle, make the horizontal circulation of water generates of described cultivating pool by the oxygenating machine that is provided with around the described cultivating pool, form the static relatively of described cultivating pool central authorities bottom water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100597501A CN100335423C (en) | 2006-03-07 | 2006-03-07 | Water purifying method for cultivation pond |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100597501A CN100335423C (en) | 2006-03-07 | 2006-03-07 | Water purifying method for cultivation pond |
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| CN1847167A CN1847167A (en) | 2006-10-18 |
| CN100335423C true CN100335423C (en) | 2007-09-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891332B (en) * | 2009-05-18 | 2011-12-28 | 上海市水产技术推广站 | Facility for treating pond culture wastewater |
| CN101940168B (en) * | 2009-06-15 | 2012-05-30 | 江声 | MRM aquaculture method |
| CN110203999B (en) * | 2019-06-18 | 2020-10-20 | 联科华技术股份有限公司 | Sunlight fishpond circulation purification system |
| CN111908550A (en) * | 2020-04-20 | 2020-11-10 | 广州埃米石墨烯科技有限公司 | Method and device for purifying aquaculture water |
| CN111758616A (en) * | 2020-06-22 | 2020-10-13 | 盐城工业职业技术学院 | Culture method utilizing grass carp culture circulating water ecosystem |
| TWI754568B (en) * | 2021-03-23 | 2022-02-01 | 黃國良 | Culture system with the fishery and electricity symbiosis |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297678A (en) * | 2000-12-06 | 2001-06-06 | 江苏省海洋水产研究所 | Pond aquaculture method using circulation water |
| CN1498864A (en) * | 2002-11-06 | 2004-05-26 | 付长彪 | Ecotypic purifying water plant thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297678A (en) * | 2000-12-06 | 2001-06-06 | 江苏省海洋水产研究所 | Pond aquaculture method using circulation water |
| CN1498864A (en) * | 2002-11-06 | 2004-05-26 | 付长彪 | Ecotypic purifying water plant thereof |
Non-Patent Citations (1)
| Title |
|---|
| 养殖池塘水质生物净化效果试验 林连生等，渔业现代化，第2005年卷第6期 2005 * |
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