CN202085606U - Healthy culture system with double circulation and zero discharge - Google Patents

Abstract

The utility model provides a healthy culture system with double circulation and zero discharge, which can reduce water resource waste and save energy, and comprises an outer circulation system. The outer circulation system includes an inlet channel, a culture pool, a gutter, an ecological purifying pond, and an ecological trench, which are connected in order. The inlet channel is connected to the ecological trench, forming the outer circulation system. The healthy culture system also comprises an inner circulation system, including the culture pool of the outer circulation system and an active filtering chamber which is connected to the culture pool to form a circulation system. The healthy culture system is advantageous in that water quality problem brought by feed is resolved by the outer circulation, and impurities in the culture pool can be removed through the inner circulation system; water volume of pool circulation is quite large but water change volume is small, and thereby the culture water environment ecology is small in change.

Description

The healthy breading system of two circulation zero-dischargings

Technical field

The utility model relates to the healthy breading system of a kind of cultivating system, particularly a kind of pair of circulation zero-discharging.

Background technology

China is aquaculture big country, and aquaculture output was 3412.82 ten thousand tons in 2008, and the national aquaculture gross area was 654.99 ten thousand hectares in 2008, and wherein pond and industrial aquaculture area are about 249.55 ten thousand hectares, 600.87 ten thousand tons of output; Nearly 3,000 ten thousand cubes of industrial aquaculture, 21.69 ten thousand tons of output.It is important breed variety of China and export-oriented commodity that the common eel of intensive culture kind and prawn become.Culture from common eel, national cultured output was 20.53 ten thousand tons in 2008, and about 9.5 ten thousand tons of our province output.With regard to Penaeus Vannmei, national seawater output surpasses 720,000 tons, fresh water yield and surpasses 520,000 tons, and more than 50,000 ton of our province sea water and fresh water output.But existing aquaculture pattern is not because Chi Shui passes through circulating filtration, scrubbing, decontamination, ecological treatment, water quality worsens easily, have to change water by a large amount of rows and control breeding ecological, cause acute anxious change of breeding environment, easily disease stress, take place in generation.Due to illness harmful medication, not only cost rises, and cultured product is easy to generate medicament residue.Medication and change water in a large number also brings environmental pollution problem, and the culture zone water quality condition that has at present causes anxiety, and also often problem is hit outlet repeatly because of medicine is residual etc. as common eel, the economic loss heaviness; The development of shrimp farming is like this equally, becomes to enter the threshold that the international market is difficult to cross, and has seriously restricted the development of industry.Development along with society, require more and more higher to the utilization of resources, food security and health environment-friendly, the shortage of water resource and pollute oneself and constitute a threat to, with central authorities advocate to set up conservation-minded society, develop a circular economy, the Scientific Outlook on Development, realize that the sustainable development of national economy adapts.The cultural technique and the equipment of research, application of advanced, development energy-saving and emission-reducing circulation healthy aquaculture pattern is changed traditional culture fishery, improves the aquatic product quality level of security, and it is significant.

At present, many experts study multiple circulating water cultivation mode, change more original breed structures, increase outer power (water pump) and realize that cycle water filters, concentrate blowdown etc., some effects have been obtained, " European nuisanceless industrial circulating water aquiculture technology " as the introduction of Guangdong Province Shaoguan Liran Agricultural Technology Co., Ltd., 25 mu in demonstration base, about 3,200 ten thousand RMB of injecting capital into, circulation takes up an area of 1919, water surface for aquaculture 2628, culture the flower common eel, can produce 200 tons of fishes, every square is produced 76.1 kilograms of fishes, but cultured cycle water power consumption 0.33KW/ per ton hour, water consumption every day also big (changing water about 3%).Units such as Fujian Prov. Inst. of Freshwater Fishery have carried out circulating water cultivation model studys such as Tu Chi, cement pit, and are more high because of cost height, operating cost and aquaculture cost, are difficult to satisfy the needs of Modern Fishery industry development.

Summary of the invention

The purpose of this utility model is to provide a kind of healthy breading system that can realize reducing two circulation zero-dischargings of water resource waste, energy savings.

The purpose of this utility model is achieved in that it comprises external circulating system, described external circulating system bag inlet channel, breed pond, drain ditch, ecological purification pond, ecological canal, described inlet channel, breed pond, drain ditch, ecological purification pond, ecological canal connect successively, and inlet channel connects the formation external circulating system with ecological canal; It is characterized in that: it also comprises internal circulation system, described internal circulation system comprise in the external circulating system the breed pond and with culture the pond and be connected to form the activated filter film chamber of circulating system;

Described activated filter film chamber is by being arranged in order and sewage-collecting well spaced apart from each other, filter chamber, water purifying chamber constitute, described sewage-collecting well bottom surface is provided with interconnective first unicom pipeline with breed bottom surface, pond, the recoiling device that is provided with filter in the filter chamber and is located at the filter below is provided with in water purifying chamber and sends the water purification after filtering back to culture the pond water lift power set; The filter of filter chamber below and UNICOM of water purifying chamber also are provided with second unicom pipeline with drain ditch UNICOM at sewage-collecting well, be provided with first and plug pipe on first unicom pipeline, be provided with second and plug pipe on second unicom pipeline.

The utlity model has following advantage: 1, remove because of throwing and raise the quality problem that brings,, realize that the pond quantity of circulating water is big but quantity of exchanged water is little, make the ecological change of cultivation water environment very little by impurity in the internal circulation system removal culturing pool by outer circulation.2, the breed activity is not disturbed mutually, even taking place to culture processing such as disease, medication between the pond also is independent of each other, because independently activated filter film chamber occupation space is little, can adopt each breed pond that the activated filter film chamber is set respectively filters, and set up the ditch of independently removing contamination, without the public passage of external circulating system, through directly discharging after the harmless treatment, avoided cross pollution (infection) as medication or the water in breed pond that disease takes place.3, by the recoil operation, remove the particulate matter in the cultivating system water body in time, efficiently.4, change cultivating pool bottom " oxygen debt " water, replenish the water of high dissolved oxygen constantly, additionally adopted Pneumatic water lifting device can guarantee to dissolve in a large amount of oxygen in the water quality after filtration.5, plant plants such as marine algas such as fragrant plant mentioned in ancient texts, sea grape or weter hyacinth in the activated filter film chamber, after filter-feeding shellfishes such as oyster culture or spiral shell, Mahi loach etc. were scraped feeding fish, nitrogen, phosphorus in the pond water remained on optimum range.

Description of drawings

Fig. 1 is the distribution map of each functional areas of the utility model circulatory system.

Fig. 2 is the sectional side view of interior circulation, part outer circulation waste water discharge system.

Fig. 3 is the vertical view of activated filter film chamber.

Label declaration

11 culture the pond, 12 drain ditchs, 13 ecological purification ponds, 14 ecological canals, 15 inlet channels, activated filter film chambers 21,31 sewage-collecting wells, 32 filter chambers, 33 water purifying chamber, 41 first unicom pipelines, 42 filters, 43 second unicom pipelines, 44 first plug pipe, 45 second plug pipe, 51 air pump main frames, 52 breather pipes, 53 water lift pipelines, 54 first valves, 55 second breather pipes, 56 gas dishes, 57 second valves, 61 ditches of removing contamination, 62 harmless treatment ponds, 63 the 3rd unicom pipelines, 64 the 3rd plug pipe, 65 division boards, 71 dirt holding plates, 72 little mesh bags.

Embodiment

The healthy breading system of a kind of pair of circulation zero-discharging, described external circulating system comprise inlet channel 15, culture pond 11, drain ditch 12, ecological purification pond 13, ecological canal 14; Described inlet channel, breed pond, drain ditch, ecological purification pond, ecological canal connect successively, and inlet channel connects the formation external circulating system with ecological canal; It is characterized in that: it also comprises internal circulation system, described internal circulation system comprise in the external circulating system the breed pond and with culture the pond and be connected to form the activated filter film chamber 21 of circulating system; In cycle through the activated filter film chamber and filter the impurity (swill, animal wastes etc.) in the culturing pool and increase the oxygen content that filters pool inner water; Nitrogen, phosphorus content in the outer circulation major control culturing pool, degraded is raised the quality problem that brings because of throwing, makes it remain on optimum range.

Generally a picotan is set in drain ditch and ecological purification pond joining place, ecological purification pond and ecological canal joining place.

Described activated filter film chamber is by being arranged in order and sewage-collecting well spaced apart from each other 31, filter chamber 32, water purifying chamber 33 constitute, described sewage-collecting well bottom surface is provided with interconnective first unicom pipeline 41 with breed bottom surface, pond, the recoiling device that is provided with filter 42 in the filter chamber and is located at the filter below is provided with in water purifying chamber and sends the water purification after filtering back to culture the pond water lift power set; The filter of filter chamber below and UNICOM of water purifying chamber also are provided with second unicom pipeline 43 with drain ditch UNICOM at sewage-collecting well, be provided with first and plug pipe 44 on first unicom pipeline, be provided with second and plug pipe 45 on second unicom pipeline.

Described water lift power set are Pneumatic water lifting device, described Pneumatic water lifting device comprises air pump main frame 51, first breather pipe 52, water lift pipeline 53, described first breather pipe connects the air pump main frame, the outlet side of first breather pipe is positioned at the bottom surface of water purifying chamber, above the gas outlet, be provided with the water lift pipeline, the water inlet opening of water lift pipeline down and be positioned at the top of breather pipe gas outlet, the water side of water lift pipeline is positioned at cultures the pond, first breather pipe is provided with first valve 54.Water inlet is not higher than culture the pond peak level 20 centimetres for optimum, breed is if any different water level requirements, water purifying chamber can build the control flashboard or solve through repeatedly promoting, certainly the water lift power set can also be low-lift pump (axial-flow pumps), but its oxygenation effect is relatively poor, need again to add in the water purifying chamber and add oxygen equipment and improve dissolved oxygen, so power consumption is also more relatively.

Recoiling device comprises it can being second breather pipe 55, the gas dish 56 of above-mentioned air pump main frame and setting in addition, described second breather pipe connects the air pump main frame, the outlet side of second breather pipe connects the gas dish, the gas dish is positioned at the below of bottom surface, filter chamber, filter course, and second breather pipe is provided with second valve 57.Using the air pump main frame only need adjust the Push And Release of first valve, second valve, i.e. controlled recoil operation.Certainly, the second air pump main frame that also can establish in addition of recoiling device links to each other with second breather pipe 55, gas dish 56.

Filter described in the utility model be by single, less than the close mesh bag of 40 purposes, close screen frame, single active carbon, cinder, corallite, lime stone or its mixing and the filter that forms by screen pack parcel.Certainly the material in the filter can be selected material and allocate different mixed proportions according to concrete breed variety.

It also comprises the ditch 61 of removing contamination, harmless treatment pond 62, the described ditch of removing contamination is connected with the three-way pipe that second unicom pipeline is provided with by the 3rd unicom pipeline 63, the delivery port of the 3rd unicom pipeline is positioned to remove contamination the ditch bottom surface and be provided with the 3rd on the 3rd unicom pipeline delivery port plugs pipe 64, and the harmless treatment pond is positioned at the end of the flow direction of the ditch of removing contamination.Each is cultured the pond situation that fish are sick, clean the breed pond inevitably takes place, sick and the breed pond cleaned avoid entering outer circulation as far as possible, culture the pond in order to avoid influence other, so and set up the ditch of removing contamination, harmless treatment pond, the sewage routeway that is used to handle outward.

The area of sewage-collecting well is for culturing 0.05 ~ 0.2% of pool area in the utility model, and the area of filter chamber is the 0.2-0.5% that cultures pool area for the 0.3-0.8% that cultures pool area, the area of water purifying chamber.In general adopt above-mentioned numerical value cost performance optimum.

The water inlet of first unicom pipeline is positioned at the minimum point of culturing at the bottom of the pond, pond, the compiling of impurity at the bottom of the pond, more convenient like this breed pond, for example adopts central drainage (being that sewage draining exit is positioned at center at the bottom of the pond) to be convenient to compiling of impurity; As a past face tilt at the bottom of the pond, flow to the opposite side of activated filter film chamber behind water purifying chamber's water lift, divide many mouthfuls to flow into the breed ponds, guarantee the abundant circulation of Chi Shui as far as possible.

Sewage-collecting well and filter chamber, filter chamber and sewage-collecting well are isolated by division board 65 or less than the screen pack of 40 order nets respectively.In construction, in order to save cost, can directly excavate a big chamber, hole in construction activated filter film chamber, separate each functional areas of formation by dividing plate again.

Also establish dirt holding plate 71 in the sewage-collecting well, the surface of described dirt holding plate is provided with lines, groove, the sidewall of described sewage-collecting well is provided with the vertically guide-track groove of the inclination of arrangement of multilayer, one end of guide-track groove perk is near the filter chamber, the dirt holding plate oblique cutting corresponding with the guide-track groove number of plies gone in the guide-track groove, end in the guide-track groove perk is provided with the little mesh bag 72 that is used to collect refuse, and the order number of general little mesh bag is less than 40 orders.When sewage enters sewage-collecting well and slowly rises, because dirt holding plate surface nonplanar structure, the part spot will rest on the concave point of lines on dirt holding plate surface, also have the spot of part will be deposited in the little mesh bag, thereby reduce dirt and flow into the filter chamber, simultaneously, by the periodic cleaning dirt holding plate, keep the microecosystem in the filter chamber better.

Be positioned at the water lift pipeline water inlet of culturing the pond and be not higher than 20 centimetres that culture the pond peak level, and the water inlet of water side first unicom pipeline of water lift pipeline is positioned at the minimum point at the bottom of the breed pond, pond.The impulse force that can allow the water that flows out form like this forms the water of culturing in the pond and circulates, accelerate oxygen incorporate in the water and water in excessive, row's " endogenous toxic material " of pernicious gas, allow current produce motion simultaneously, the biology formation of breed is moved about, culture efficiency is better, and the water side of water lift pipeline is away from the water inlet of first unicom pipeline (being positioned at the minimum point of culturing at the bottom of the pond, pond), is to participate in the blowdown circulation for fear of the water through displacement just at once.

The operating procedure and the operation principle of the utility model patent are as follows:

The duty of internal circulation system: second plugs pipe, the 3rd plugs pipe and is in closed condition, and first plugs pipe is in open mode, cultures pond and activated filter film chamber and sets up UNICOM.Under the effect of waterwheel aerator, dirt focuses on middle section in the breed pond, because the water lift effect in the water purifying chamber, the water surface of culturing the pond exceeds the activated filter film chamber, the sewage that is mixed with a large amount of impurity at the bottom of making the first unicom pipeline water inlet with the pond flows into sewage-collecting well, and flow into the filter chamber and filter, the water after filtering at last flows into water purifying chamber, by the water lift power set water is returned again and is cultured the pond.In general adopt Pneumatic water lifting device can improve the oxygen content of backflow water purification and more power saving, can certainly adopt other water lift power set such as axial-flow pump, additionally increase one or more equipment that are used to improve the water oxygen content and be advisable but be preferably in the water purifying chamber.

After a period of time, the one, dirt holding plate, the close net of filtration are shifted out, in time remove solid waste; The 2nd, to the cleaning that recoils of activated filter film chamber, be used to remove the impurity on filter chamber's internal filter, cleaning process is as follows: stop the work of water lift power set, in the activated filter film chamber, close first and plug pipe, unlatching back flushing air dish is opened second after tens of seconds and is plugged pipe, the impurity that the water of activated filter film chamber will be stayed on sewage-collecting well and the filter flows to the drain ditch together, and finally flows to the ecological purification pond.The end that sees the bottom of this process to the water of sewage-collecting well, generally the degree of cleaning to filter can reach more than 80%, if think and filter is cleaned dissatisfied, can utilize the water of culturing the pool to introduce the activated filter film chamber, once more filter is cleaned to get final product.

Impurity carries out Separation of Solid and Liquid earlier after entering the drain ditch, regularly solid dirt is taken out, and changes sewage over to the ecological purification pond, is used to culture water plants etc., can culture shellfishes such as marine alga such as fragrant plant mentioned in ancient texts, sea grape and oyster as seawater; Can plant plants such as eel grass, weter hyacinth, lotus rhizome in the fresh water, culture fish or shellfishes such as freshwater mussel, spiral shell such as loach, swamp eel, Mahi loach, also utilize photosynthetic bacteria or microbiological treatment ponds such as lactic acid bacteria or bacillus simultaneously, to culture discarded object absorbs, handles, reduce indexs such as ammonia nitrogen, nitroso nitrogen, phosphorus, the water that purifies is back to again by ecological canal and cultures in the pond, forms outer circulation, thereby reaches " zero-emission " of breed.

Because in the process of culturing aquatic products, the sick process of fish shrimp crab class inevitably will take place, usually cause the pollution of water body, in general, interior circulation is cultured the pond at one and is carried out, and the drain ditch of outer circulation, the ecological purification pond, structures such as ecological canal can be that use jointly in a plurality of breed pond, in case the water that is polluted participates in outer circulation, culture the pollution in pond with inevitably causing other, so in the utility model, set up one and can get rid of contaminated water body and efflux passage, promptly close second and plug pipe, opening first simultaneously plugs pipe and the 3rd plugs pipe, after water body introduced sewage-collecting well, sewage directly entered the ditch of removing contamination by the 3rd unicom pipeline, cleaned culturing pond and activated filter film chamber afterwards, the sewage that cleans also flows out by the 3rd unicom pipeline, concentrates and carries out qualified discharge after the harmless treatment.

Implementation result

1, every day of the present utility model, quantity of circulating water reached more than 100%; Reduce quantity of exchanged water more than 90%; Reduce energy consumption 20%, cycle water power consumption 0.02KW/ per ton hour than existing cultivating system, save aquaculture cost more than 20%;

2, improve the breed survival rate more than 10%; Antibiotic obviously reduces in the breeding process, and carries the ratio decline of antibiotic aquatic products.

3, improved " stand-alone capability " of culturing the pond and made in design planning and culture in the process in pond more science, the breed pond construction rate in unit are soil is higher, and the aquatic products of unit soil output are higher, and management is more convenient simultaneously.

4, it is more convenient to culture operation, as to culture pond heating or cooling, disinfectant is hung bag or is used probioticses such as EM, bacillus etc., only can lay pipeline, throw in and get final product in water purifying chamber; As the expanded pellet diet of throwing something and feeding also can be operated near the water lift mouth and gets final product.

Claims (10)

1. the healthy breading system of two circulation zero-dischargings, it comprises external circulating system, described external circulating system comprises inlet channel (15), cultures pond (11), drain ditch (12), ecological purification pond (13), ecological canal (14), described inlet channel, breed pond, drain ditch, ecological purification pond, ecological canal connect successively, and inlet channel connects the formation external circulating system with ecological canal; It is characterized in that: it also comprises internal circulation system, described internal circulation system comprise in the external circulating system the breed pond and with culture the pond and be connected to form the activated filter film chamber of circulating system;

Described activated filter film chamber (21) is by being arranged in order and sewage-collecting well spaced apart from each other (31), filter chamber (32), water purifying chamber (33) constitute, described sewage-collecting well bottom surface is provided with interconnective first unicom pipeline (41) with breed bottom surface, pond, the recoiling device that is provided with filter (42) in the filter chamber and is located at the filter below is provided with in water purifying chamber and sends the water purification after filtering back to culture the pond water lift power set; The filter of filter chamber below and UNICOM of water purifying chamber also are provided with second unicom pipeline (43) with drain ditch UNICOM at sewage-collecting well, be provided with first and plug pipe (44) on first unicom pipeline, and second unicom pipeline is provided with second and plugs pipe (45).

2. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: described water lift power set are Pneumatic water lifting device, described Pneumatic water lifting device comprises air pump main frame (51), first breather pipe (52), water lift pipeline (53), described first breather pipe connects the air pump main frame, the outlet side of breather pipe is positioned at the bottom surface of water purifying chamber, above the gas outlet, be provided with the water lift pipeline, the water inlet opening of water lift pipeline down and be positioned at the top of breather pipe gas outlet, the water side of water lift pipeline is positioned at cultures the pond, and first breather pipe is provided with first valve (54).

3. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: described recoiling device comprises air pump main frame, second breather pipe (55), gas dish (56), described second breather pipe connects the air pump main frame, the outlet side of second breather pipe connects the gas dish, the gas dish is positioned at the below of bottom surface, filter chamber, filter course, and second breather pipe is provided with second valve (57).

4. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: described filter for by single, less than the close mesh bag of 40 purposes, close screen frame, single active carbon, cinder, corallite, lime stone or its mixing and the filter that forms by screen pack parcel.

5. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: it also comprises the ditch of removing contamination (61), harmless treatment pond (62), the described ditch of removing contamination is connected with the three-way pipe that second unicom pipeline is provided with by the 3rd unicom pipeline (63), the delivery port of the 3rd unicom pipeline is positioned to remove contamination the ditch bottom surface and be provided with the 3rd on the 3rd unicom pipeline delivery port plugs pipe (64), and the harmless treatment pond is positioned at the end of the flow direction of the ditch of removing contamination.

6. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: the area of described sewage-collecting well is for culturing 0.05 ~ 0.2% of pool area, and the area of filter chamber is the 0.2-0.5% that cultures pool area for the 0.3-0.8% that cultures pool area, the area of water purifying chamber.

7. the healthy breading system of pair circulation zero-discharging according to claim 1 is characterized in that: the water inlet of first unicom pipeline is positioned at the minimum point at the bottom of the breed pond, pond.

8. the healthy breading system of pair circulation zero-discharging according to claim 1 is characterized in that: sewage-collecting well and filter chamber, filter chamber and water purifying chamber isolate by division board (65) or less than the screen pack of 40 order nets respectively.

9. the healthy breading system of pair circulation zero-discharging according to claim 1 is characterized in that:

Also establish dirt holding plate (71) in the sewage-collecting well, the surface of described dirt holding plate is provided with lines, groove, the sidewall of described sewage-collecting well is provided with the vertically guide-track groove of the inclination of arrangement of multilayer, one end of guide-track groove perk is near the filter chamber, the dirt holding plate oblique cutting corresponding with the guide-track groove number of plies gone in the guide-track groove, is provided with the little mesh bag (72) that is used to collect refuse at an end of guide-track groove perk.

10. the healthy breading system of pair circulation zero-discharging according to claim 1, it is characterized in that: be positioned at the water lift pipeline water inlet of culturing the pond and be not higher than 20 centimetres that culture the pond peak level, and the minimum point of the water side of water lift pipeline at the bottom of away from breed pond, pond.

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