CN101946736B - System for mechanically pumping excreta of fish bodies in feeding cage - Google Patents
System for mechanically pumping excreta of fish bodies in feeding cage Download PDFInfo
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- CN101946736B CN101946736B CN2010102780300A CN201010278030A CN101946736B CN 101946736 B CN101946736 B CN 101946736B CN 2010102780300 A CN2010102780300 A CN 2010102780300A CN 201010278030 A CN201010278030 A CN 201010278030A CN 101946736 B CN101946736 B CN 101946736B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a system for mechanically pumping the excreta of fish bodies in a feeding cage, which comprises at least one aquaculture net cage, and a floating device and a fish excreta collector which are arranged corresponding to the aquaculture net cage, wherein the floating device is fixed and suspended on water by a mounting bracket at the top of the aquaculture net cage; the aquaculture net cage and the fish excreta collector are connected with the floating device respectively; an excreta collection barrel is arranged at the bottom of the fish excreta collector, and is connected with an excreta pumping machine by an excreta pumping pipe; and the fish excreta collector is provided with a vibrating retaining ring which is connected with a vibrating rope. The system can perform excreta pumping processing on a plurality of groups of aquaculture net cages by utilizing only one excreta pumping machine, and has the characteristics of high excreta pumping efficiency, cost reduction, higher pumping mechanization and automation degree, convenience for the maintenance of the excreta pumping machine, more rational aquaculture structure due to the combination of an inner aquaculture cage and an outer aquaculture cage, and higher environmental friendliness of cage aquaculture and healthier and more scientific aquaculture due to the organic separation of the aquaculture net cage and the fish excreta collector.
Description
Technical field
The invention belongs to facility fishery field, be specifically related to the bait throwing in net cage fish body excreta mechanization extraction system of a kind of " resources conservation, environmental friendliness ".
Background technology
China's reservoir resource is very abundant, and total water surface surpasses 2,000,000 hectares, accounts for 529 of the 11.5%(large reservoirs of the fresh water water surface, account for aggregate storage capacity 77.8%).The reservoir fish crop reached 241.54 ten thousand tons in 2008, accounted for 11.63% of national fresh-water fishes output.
At present both at home and abroad about the cage culture aquatic products, it is the intensive culture mode of a kind of high investment, high production, excessive risk, high benefit, but the ecologic breeding principle of " resources conservation, environmental friendliness " has often been ignored in original cage culture, the fish excrement and the lost residual bait that cause bait throwing in cage culture to produce cause body eutrophication, nitrogen, P elements exceed standard, and influence lasting, healthy development that aquatic ecosystem benign cycle and aquaculture are cultured in the reservoir area.If long-term this problem of ignoring will cause tens million of hectares can support the high-quality aquatic products, provide the large-scale agricultural irrigation of high-quality animal protein and the advantage aquatic resources waste of generating deep water reservoir for the mankind.
Problem at above-mentioned existence, the applicant has applied for Chinese utility model patent " a kind of environmental and ecological aquaculture net cage " (ZL200920169184.9) on August 19th, 2009, in the technical scheme of this patent, the fish excrement is extracted out by the sewage pump that is arranged in the stercoroma bucket by the fish excrement that fish excrement gatherer is received, and between fish excrement gatherer and fish culture net cage, there is not a gap of water stream channel, we find in practical operation, employing is provided with sewage pump in the stercoroma bucket, its efficient of taking out excrement is not high, and installation and maintenance are very difficult, because net cage is a lot, a sewage pump all must be set in each stercoroma bucket, its cost is very high, if manually play excrement by playing the excrement ring, its labour intensity is very big.
Summary of the invention
Goal of the invention of the present invention is: at the problem of above-mentioned existence, a kind of excrement efficient height, bait throwing in net cage fish body excreta mechanization extraction system easy for installation taken out is provided, and this system cost is low, facility is simple and practical, convenient operation and management, safe and reliable to operation.
Technical scheme of the present invention is achieved in that a kind of bait throwing in net cage fish body excreta mechanization extraction system, the buoyant device and the fish excrement gatherer that comprise at least one fish culture net cage and corresponding setting with fish culture net cage, described buoyant device fixedly is suspended in the water surface by the fixed mount at fish culture net cage top, described fish culture net cage is connected with buoyant device respectively with fish excrement gatherer, it is characterized in that: be provided with night-soil collecting bucket in described fish excrement gatherer bottom, described night-soil collecting bucket is by taking out soil pipe and taking out the excrement machine and be connected, described fish excrement gatherer is provided with the vibration clasp, is connected with the vibration rope on the described vibration clasp; Leave the gap between described fish culture net cage and the fish excrement gatherer, described fish excrement gatherer upper end open is greater than the fish culture net cage bottom margin, and the gap between described fish culture net cage and the fish excrement gatherer is 1.5m～3m.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, it is provided with through hole in described night-soil collecting bucket bottom, described soil pipe one end of taking out is communicated with by the through hole of U type tube connector with the night-soil collecting bucket bottom, the other end of taking out soil pipe with take out the excrement machine and be connected, the described soil pipe of taking out is bundled in night-soil collecting bucket, fish excrement gatherer, the fish culture net cage outside successively by annular binding.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, net cage and outer net cage in its described fish culture net cage comprises, net cage is arranged in the outer net cage in described, and described interior net cage is connected by connecting line with outer net cage, interior net cage and outside leave certain space between the net cage.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, its described excrement machine of taking out is communicated with the liquid dung piece-rate system by pipeline, and described liquid dung piece-rate system is made up of some liquid dung separation bags, is provided with the liquid dung separating tank below described liquid dung separation bag.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, its described fish excrement gatherer is funnel type, and its inclined angle alpha is 30 °～80 °.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, its described night-soil collecting bucket bottom is funnel type.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, it is provided with biologic float bed at described fish culture net cage periphery, be implanted with water plants described the kind on biologic float bed.
Bait throwing in net cage fish body excreta mechanization extraction system of the present invention, its many group fish culture net cages are taken out after the soil pipe parallel connection and are taken out the excrement machine and be connected by correspondence, take out on the soil pipe respectively described that correspondence is provided with gauge tap.
Utilization of the present invention is taken out the excrement machine fish excrement in the night-soil collecting bucket is extracted, it takes out excrement efficient height, take out the excrement machine for one and can take out the excrement processing many groups fish culture net cage, cost reduction, extracting mechanization and automaticity are higher, very convenient to the maintenance of taking out the excrement machine, the liquid dung piece-rate system of passing through that the liquid dung of being extracted out is instant is handled; Case and outer container combine and make the breed structure more reasonable in culturing, and fish culture net cage organically separates cage culture environmental protection more, breed health, the science more made from fish excrement gatherer; Biologic float bed collocation makes fish culture net cage obtain biological purified treatment, has formed a perfect environment-friendly type aquatic products fish culture net cage system.
Description of drawings
Fig. 1 is a planar structure schematic diagram of the present invention.
Fig. 2 is the structural representation of a plurality of fish culture net cage combinations of the present invention.
Mark among the figure: 1 is interior net cage, and 2 is outer net cage, and 3 is buoyant device, 4 is fish excrement gatherer, and 5 is night-soil collecting bucket, and 6 for taking out soil pipe, 7 for taking out the excrement machine, and 8 are the vibration clasp, and 9 are the vibration rope, 10 is U type tube connector, and 11 is the gap, and 12 is the liquid dung separation bag, 13 is water plants, and 14 is annular binding, and 15 is gauge tap, 16 is connecting line, and 17 is the liquid dung separating tank.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, a kind of bait throwing in net cage fish body excreta mechanization extraction system, the buoyant device 3 and the fish excrement gatherer 4 that comprise fish culture net cage and corresponding setting with fish culture net cage, net cage 1 and outer net cage 2 in described fish culture net cage comprises, net cage 1 is arranged in the outer net cage 2 in described, net cage 1 is connected by connecting line 16 with outer net cage 2 in described, interior net cage 1 and outside leave certain space between the net cage 2, described fish culture net cage is by the combination of inside and outside net cage, interior case is cultured the main kind of supporting, outer container is cultured filter-feeding and ominivore-fish, the residual bait that case overflows like this can be cleared up by the fish of outer container, reduces the pollution of residual bait to water body, also increased simultaneously the added value of outer container cultured fishes, simultaneously, outer container can also prevent running away of interior case fish, has increased security performance; Outside described, be provided with cat stone around net cage 2 bottoms, play the fixedly effect of fish culture net cage.
Wherein, described buoyant device 3 fixedly is suspended in the water surface by the fixed mount at fish culture net cage top, and described fish culture net cage is connected with buoyant device 3 respectively with fish excrement gatherer 4.Described buoyant device adopts stainless steel tube or hard plastic tube to couple together effectively with bigger devices of buoyancy such as foam ball float or metal keg floats, on buoyant device, also can lay flat board, as producing and the life place, fish culture net cage and fish excrement gatherer 4 are respectively with after buoyant device is connected, it is suspended in the water, can sink; Be provided with night-soil collecting bucket 5 in described fish excrement gatherer 4 bottoms, night-soil collecting bucket 5 bottoms are funnel type, described night-soil collecting bucket 5 is taken out soil pipe 6 and is taken out excrement machine 7 and be connected by emersed, the described excrement machine 7 of taking out is communicated with the liquid dung piece-rate system by pipeline again, described liquid dung piece-rate system is made up of some liquid dung separation bags 12, below described liquid dung separation bag 12, be provided with liquid dung separating tank 17, like this, be drained into by the liquid dung of extracting out in the night-soil collecting bucket and carry out separating treatment timely in the liquid dung piece-rate system; The described excrement machine of taking out adopts self-priming self-priming no-blocking pollution discharging pump, the described soil pipe 6 of taking out is communicated with the through hole of night-soil collecting bucket 5 bottoms by U type tube connector 10, so only takes out the excrement machine with opening, and the fish excrement in the night-soil collecting bucket just is drawn out of the water surface, make the fish excrement break away from water body, effectively prevent and treat of the pollution of fish excrement water body.Gauge tap 15 is set on take out soil pipe, can controls the extracting of fish excrement easily; The described soil pipe 6 of taking out is bundled in night-soil collecting bucket 5, fish excrement gatherer 4, the fish culture net cage outside successively by annular binding 14, makes like this to take out soil pipe and can swing along with net cage, can prevent effectively that stormy waves is to taking out the destruction of soil pipe; On described fish excrement gatherer 4, also be provided with vibration clasp 8, be connected with vibration rope 9 on the described vibration clasp 8,, make the fish excrement that adheres on the fish excrement gatherer 4 fall into the stercoroma bucket by of the vibration of vibration rope to fish excrement gatherer 4.
Wherein the extracting of fish excrement is that the fish excrement shifts out a very important link of the water surface, should consider the practicality and the comfort level of installing and operating, and considers the height of cost again and puies forward excrement efficient.
As can be seen from the above table, self-priming combination extraction process obviously is better than two kinds of extracting modes, by funnel type night-soil collecting bucket, U type tube connector, gauge tap and self-priming self-priming no-blocking pollution discharging pump are combined effectively, make that the extracting of fish excrement is workable, safe coefficient is high, convenient management, cost is low and extraction efficiency is high.
Described fish excrement gatherer 4 is funnel type, and its inclined angle alpha is the core parameter of collection excrement efficient, and the inclination angle number of degrees are low, and the height of fish excrement gatherer is just very low, and the cost of gathering unit is just very low, and safety coefficient such as wind wave resistance is just high, but collection efficiency is on the low side; The inclination angle number of degrees are big, and the height of collecting bag is just very high, and the cost of gathering unit is just high, and the safety coefficient of wind wave resistance etc. is just low, but collection efficiency wants high.We draw when the inclined angle alpha of fish excrement gatherer is 60 ° according to experiment, and its collection efficiency and wind wave resistance safety coefficient are the most suitable, below are contrast experiment's data of different inclination angle:
As can be seen from the above table, from collection efficiency and fish excrement gatherer height, its inclination angle is comparatively suitable between 50 ° to 70 °.
Wherein, leave gap 11 between described outer net cage 2 and the fish excrement gatherer 4, making fish culture net cage lower floor have water body like this flows, make breeding water body keep higher dissolved oxygen, avoid collecting the pollution of colostomy bag simultaneously, can also avoid simultaneously the related destruction of big current such as flood the main body net cage to the fish culture net cage water body; Described fish excrement gatherer 4 upper end open are greater than the fish culture net cage bottom margin, and the gap 11 beyond the present embodiment between net cage and the fish excrement gatherer 4 is an example for 2m, and its outer net cage 2 separates with unseparated contrast experiment's data as follows with fish excrement gatherer 4:
As can be seen from the above table, fish culture net cage and the equal score of the unseparated water quality index of fish excrement gatherer from water quality index poor.
Be provided with biologic float bed at described fish culture net cage periphery, described biologic float bed with bamboo or plastic tube as the floating bed framework, at the adherance of framework upper berth one deck filler as plant, water plants 13 is endured in plantation on adherance, the fish excrement that water plants on biologic float bed can absorb fish excrement gathering unit not to be had to have collected decomposes the nutritive element in the water body, and is better to the purification maintenance effects of breeding water body like this.
As shown in Figure 2, for many groups fish culture net cage taking out soil pipe 6 back in parallel and taking out excrement machine 7 and be connected by correspondence, take out on the soil pipe 6 respectively described that correspondence is provided with gauge tap 15,, utilize one to take out the excrement machine and just can take out excrement a plurality of fish culture net cages by the control of corresponding gauge tap.
Below be the economic efficiency contrast that the present invention and traditional fish culture net cage are cultured:
As can be seen from the above table: adopt the present invention higher by 60% than the traditional small-sized net cage culture benefit of four-hole.The present invention is by residual bait that the recovery of bait throwing in net cage fish excrement and outer container filter-feeding fish, ominivore-fish are ingested, reducing organic matter decomposes in water, different pelagoses of the polymorphic monitoring of subject and abiotic all kinds of characteristic index, reservoir water body is not polluted, and with traditional cage culture contrast, the channel catfish weightening finish 27%-32.2% that fish culture net cage of the present invention is cultured, lethality decline 11.4%-25.8%, feed coefficient reduces 15.6%-19.9, the feed cost decline 15.6%-20% of per kilogram, management cost reduces more than 50%, has reduced the fish disease generation simultaneously.
This system by plant equipment, realizes that a plurality of net cage parallel connections detach breeding water body with the fish excrement utilizing gathering system to collect on the basis of fish excrement, separates through liquid dung again, obtains recycling fish excrement.In whole process flow, realize automatically collecting fish excrement, greatly reduce cage culture to water pollution in, solved the automation that the fish excrement is collected, make that whole fish excrement collection process has realized saving time, laborsaving, safety, convenience.
This fish culture net cage and fish excrement gathering system combine, and the supporting breed of net cage fish combines with biological cleaning, make the aquiculture net cage pollutant obtain physics, biological purified treatment.Form an aquiculture net cage carbon environmental protection, that be convenient to operate, propagable and converged system.
This mechanization fish excrement gathering system in sum, design concept advanced person, rationally, its small investment, facility are simple and practical, convenient operation and management, safe and reliable to operation, the collection excrement is effective; To realizing the breeding ecological benign cycle, develop the blue territory resource, it is significant to develop healthy carbon remittance fishery.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. bait throwing in net cage fish body excreta mechanization extraction system, the buoyant device (3) and the fish excrement gatherer (4) that comprise at least one fish culture net cage and corresponding setting with fish culture net cage, described buoyant device (3) fixedly is suspended in the water surface by the fixed mount at fish culture net cage top, described fish culture net cage is connected with buoyant device (3) respectively with fish excrement gatherer (4), it is characterized in that: be provided with night-soil collecting bucket (5) in described fish excrement gatherer (4) bottom, described night-soil collecting bucket (5) is by taking out soil pipe (6) and taking out excrement machine (7) and be connected, described fish excrement gatherer (4) is provided with vibration clasp (8), is connected with vibration rope (9) on the described vibration clasp (8); Leave gap (11) between described fish culture net cage and the fish excrement gatherer (4), described fish excrement gatherer (4) upper end open is greater than the fish culture net cage bottom margin, and the gap (11) between described fish culture net cage and the fish excrement gatherer (4) is 1.5m～3m.
2. bait throwing in net cage fish body excreta mechanization extraction system according to claim 1, it is characterized in that: be provided with through hole in described night-soil collecting bucket (5) bottom, described soil pipe (6) one ends of taking out are communicated with by the through hole of U type tube connector (10) with night-soil collecting bucket (5) bottom, the other end of taking out soil pipe (6) with take out excrement machine (7) and be connected, the described soil pipe (6) of taking out is bundled in night-soil collecting bucket (5), fish excrement gatherer (4), the fish culture net cage outside successively by annular binding (14).
3. bait throwing in net cage fish body excreta mechanization extraction system according to claim 1, it is characterized in that: described fish culture net cage comprises interior net cage (1) and outer net cage (2), net cage (1) is arranged in the outer net cage (2) in described, net cage (1) is connected by connecting line (16) with outer net cage (2) in described, interior net cage (1) and outside leave certain space between the net cage (2).
4. according to any described bait throwing in net cage fish body excreta mechanization extraction system in the claim 1 to 3, it is characterized in that: the described excrement machine (7) of taking out is communicated with the liquid dung piece-rate system by pipeline, described liquid dung piece-rate system is made up of some liquid dung separation bags (12), is provided with liquid dung separating tank (17) in described liquid dung separation bag (12) below.
5. bait throwing in net cage fish body excreta mechanization extraction system according to claim 4, it is characterized in that: described fish excrement gatherer (4) is funnel type, and its inclined angle alpha is 30 °～80 °.
6. bait throwing in net cage fish body excreta mechanization extraction system according to claim 5, it is characterized in that: described night-soil collecting bucket (5) bottom is funnel type.
7. bait throwing in net cage fish body excreta mechanization extraction system according to claim 5 is characterized in that: be provided with biologic float bedly at described fish culture net cage periphery, be implanted with water plants (13) described the kind on biologic float bed.
8. bait throwing in net cage fish body excreta mechanization extraction system according to claim 5, it is characterized in that: organize fish culture net cage by the taking out soil pipe (6) back in parallel and take out excrement machine (7) and be connected of correspondence more, take out on the soil pipe (6) respectively described that correspondence is provided with gauge tap (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102780300A CN101946736B (en) | 2010-09-10 | 2010-09-10 | System for mechanically pumping excreta of fish bodies in feeding cage |
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| CN2010102780300A CN101946736B (en) | 2010-09-10 | 2010-09-10 | System for mechanically pumping excreta of fish bodies in feeding cage |
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| CN101946736B true CN101946736B (en) | 2011-12-07 |
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| CN112471012A (en) * | 2020-12-18 | 2021-03-12 | 杭州千岛湖鲟龙科技股份有限公司 | Sturgeon large water surface green ecological breeding technology |
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|---|---|
| CN101946736A (en) | 2011-01-19 |
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