CN102986579B - Multiple-effect super-intensification circulating breeding device - Google Patents
Multiple-effect super-intensification circulating breeding device Download PDFInfo
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- CN102986579B CN102986579B CN201210540023.2A CN201210540023A CN102986579B CN 102986579 B CN102986579 B CN 102986579B CN 201210540023 A CN201210540023 A CN 201210540023A CN 102986579 B CN102986579 B CN 102986579B
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- 238000009395 breeding Methods 0.000 title abstract description 11
- 230000001488 breeding effect Effects 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 238000000926 separation method Methods 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000005273 aeration Methods 0.000 claims abstract description 14
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 9
- 230000001954 sterilising effect Effects 0.000 claims abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 241000894006 Bacteria Species 0.000 claims description 37
- 239000007787 solid Substances 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 11
- 244000144972 livestock Species 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- 238000012258 culturing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 5
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Abstract
The invention discloses a multiple-effect super-intensification circulating breeding device which comprises a solid-liquid separation pool, an ammonia nitrogen treatment pool, a foam separation pool, an ultraviolet sterilization device and a culture pond which are sequentially connected to form a loop, wherein the pool bottom of a solid-liquid separation pool body of the solid-liquid separation pool is inclined to one side, and a blow-off pipe is close to the bottom; the blow-off pipe is connected with a breeding waste treatment device; an aeration disc is distributed at the pool bottom of the solid-liquid separation pool body; solid-liquid separation discs which are arranged at intervals and are obliquely arranged are arranged above the aeration disc; dense holes are uniformly distributed on the lower side of the solid-liquid separation disc; the solid-liquid separation disc is connected with a solid-liquid separation water outlet pipe; and the solid wastes finally precipitate to the position near the blow-off pipe and are conveyed to the breeding waste treatment device through the blow-off pipe. The multiple-effect super-intensification circulating breeding device has the advantages of small water change amount, good water treatment effect, low operating cost, low construction cost, high stability, high breeding density, good disease control effect, environment friendliness and capabilities of controlling the ammonia nitrogen treatment scale according to the needs and effectively utilizing the breeding wastes.
Description
Technical field
The present invention relates to a kind of inland multifunctional circulating water cultivating system, particularly relate to multiple-effect superset reduction cyclic culture device.
Background technology
In recent years, rapidly, traditional extensive style breeding way can not adapt to aquatic products industry development need to China's culture fishery development.And the mode adopting industrial circulating water cultivating system to cultivate because of have water saving, environmental protection, water quality controlled, produce the advantages such as not climate condition impact, replacing traditional extensive style breeding way has been inexorable trend.But industrial circulating water cultivating system domestic at present, because of features such as its energy resource consumption are large, maintenance cost is high, service life is short, directly causes production cost too high, thus be unfavorable for promoting at China's wide geographic area.Therefore, the indoor circulating water cultivation system of high-efficiency and economic is subject to favor and the attention of culturist, and becomes the cultivating system of doing one's utmost studied development at present.As Chinese invention patent application " indoor circulating water cultivation system of high-efficiency and economic ", number of patent application 201110044655.5, it discloses a kind of indoor circulating water cultivation system of high-efficiency and economic, comprise culturing jar, stereoscopic multi-layer frame and water treatment system, described culturing jar is arranged in stereoscopic multi-layer frame, described water treatment system comprises the filter set gradually by current downbeam, chlorination equipment, temperature controller and circulating pump, the outlet of sewer of described culturing jar is connected with filter by water-supply-pipe, described circulating pump delivery port is connected with culturing jar by water-supply-pipe, the indoor circulating water cultivation system of high-efficiency and economic of the present invention, its stereoscopic multi-layer frame energy placement of multiple layers culturing jar, make full use of the interior space and carry out three-dimensional culture, increase cultivation amount, improve culture benefit, the water treatment system energy automatic pollution discharge of this invention, independent oxygenation, independent control current water level and can automatically control water quality and water temperature, thus realizing high density and cultivate safely.Therefore need to improve the indoor circulating water cultivation system of high-efficiency and economic of the prior art, the interior space can be made full use of and carry out three-dimensional culture, improve culture benefit; The process such as automatic pollution discharge, independent oxygenation can also be carried out.But the blowdown process whereabouts of generation still to ecological build-up of pressure, can have much room for improvement.
Summary of the invention
The object of the invention is to provide that a kind of quantity of exchanged water is little, water treatment efficiency good, operating cost is cheap, cost is low for prior art, good stability, cultivation density be large, can effective, the environmental friendliness of control on demand NH_3-N treating scale, Disease management, effectively can utilize the multiple-effect superset reduction cyclic culture device of breeding waste.
The present invention solves the problems of the technologies described above adopted technical scheme: multiple-effect superset reduction cyclic culture device, comprise be connected to form loop successively solid-liquid separation tank, NH_3-N treating pond, foam fraction factor pond, ultraviolet sterilization apparatus and culturing pool, wherein: at the bottom of the pond of the solid-liquid separation tank body of solid-liquid separation tank, near bottom, be provided with blow-off pipe to lopsidedness; Blow-off pipe connects livestock waste treating apparatus; Also aeration plate is evenly equipped with at the bottom of the pond of solid-liquid separation tank body; Gap arrangement is provided with and the Separation of Solid and Liquid dish of oblique setting above aeration plate; The downside of Separation of Solid and Liquid dish is evenly equipped with close hole, and Separation of Solid and Liquid dish is also connected with Separation of Solid and Liquid outlet pipe.Aquaculture wastewater enters solid-liquid separation tank body through water inlet pipe, seethes and through the face, close hole of Separation of Solid and Liquid dish under the gas effect of aeration plate.Solid in sewage rinses through bubble, leaves face, close hole, and the liquid close hole of water on face, close hole enters inside Separation of Solid and Liquid dish, and is delivered to next treatment pond through Separation of Solid and Liquid outlet pipe.Solid dirt to be finally deposited near blow-off pipe and to be transported to livestock waste treating apparatus through blow-off pipe.
For optimizing technique scheme, the measure taked also comprises: livestock waste treating apparatus comprises the cylinder block with inner chamber; Inner chamber of cylinder block is provided with the piston that can reciprocatingly slide under external force drives; Cylinder body is also shaped with liquid inlet channel and discharge opeing road, and is provided with feed liquor valve rod in liquid inlet channel, is provided with discharge opeing valve rod in discharge opeing road; Feed liquor valve rod, discharge opeing valve rod can under external force drives master cylinder intracoelomic cavity at times and extraneous UNICOM or isolated; Liquid inlet channel pipeline is connected with the homogenate tank that can provide homogenate fluid.The piston reciprocatingly slided in cylinder body is equipped with feed liquor valve rod, the discharge opeing valve rod of intermittent opening and closing, operates in four-stroke-cycle mode.In said process, the fluid entering cylinder body is acutely extruded, and temperature also raises thereupon, and then pressure removes, and temperature reduces.The effect of sterilization is reached by the rapid drawdown that rises sharply of pressure, temperature.After sterilization, these livestock wastes can be used as composite fertilizer material.
Homogenate tank has supersonic generator.Pending fluid enters in homogenate tank through mother tube, and after the ultrasonic oscillation process that supersonic generator sends, fluid is homogenate state, can send in cylinder body and carry out subsequent treatment, overcomes the problem of pending fluid blockage pipeline with this.
Homogenate tank is also provided with filling pipe.The effect of filling pipe is when entering the pending fluid water deficient of homogenate tank, can open filling pipe and carry out moisturizing to fluid, reduce viscosity, increase mobility.Piston is connected with the connecting bar and crankshaft of outside through being applied in the dead lever in cylinder body working hole.Feed liquor valve rod, discharge opeing valve rod are connected with the electromagnetism pusher be arranged on outside cylinder body.The pipeline of liquid inlet channel is provided with liquid feeding pump; Discharge opeing road is provided with positive displacement pump.The effect of liquid feeding pump, positive displacement pump is accelerating fluid flowing, speed up processing.
NH_3-N treating pond internal clearance is placed with detachable bacterium bed; Detachable bacterium bed contains the bacterium bed integrated support of frame-type; Bacterium bed frame can be set with fit system in the framework of bacterium bed integrated support; Multiple twin rope is arranged with in the bacterium bed framework of bacterium bed frame; Adherance is clamped with in the stranded gap of multiple twin rope.The bacterium bed integrated support of frame-type can arrange single or multiple bacterium bed frame as required, in actual application, single or multiple bacterium bed frames can be pulled down as required transfer to other NH_3-N treating ponds needing to carry out processing after waste water treatment bacteria growing is even, make other be subject to inoculate the cloth strain density that pond can reach processing requirements fast.Stranded gap in be clamped with adherance also there is the same effect adjusting cloth strain density as required, adherance can be increased or take off as required to adjust bacterial density in using, also adherance can be shifted to reach the effect of inoculation waste water treatment bacterium rapid expansion water treatment scale.
Dividing plate is provided with near centre in foam fraction factor pond; Dividing plate is equipped with sandstone near the side of water inlet.
Being provided with near water outlet in NH_3-N treating pond can according to the ammonia nitrogen checkout gear of ammonia-nitrogen content Decision Control triple valve.
Due to present invention employs the solid-liquid separation tank body of solid-liquid separation tank pond at the bottom of near bottom, be provided with blow-off pipe to lopsidedness; Also aeration plate is evenly equipped with at the bottom of the pond of solid-liquid separation tank body; Gap arrangement is provided with and the Separation of Solid and Liquid dish of oblique setting above aeration plate; The downside of Separation of Solid and Liquid dish is evenly equipped with close hole, and Separation of Solid and Liquid dish is also connected with Separation of Solid and Liquid outlet pipe.Aquaculture wastewater enters solid-liquid separation tank body through water inlet pipe, seethes and through the face, close hole of Separation of Solid and Liquid dish under the gas effect of aeration plate.Solid in sewage rinses through bubble, leaves face, close hole, and the liquid close hole of water on face, close hole enters inside Separation of Solid and Liquid dish, and is delivered to next treatment pond through Separation of Solid and Liquid outlet pipe.Solid dirt to be finally deposited near blow-off pipe and to be transported to livestock waste treating apparatus through blow-off pipe and carries out twice laid.Thus, the present invention has that quantity of exchanged water is little, water treatment efficiency good, operating cost is cheap, cost is low, good stability, cultivation density are large, can effective, the environmental friendliness of control on demand NH_3-N treating scale, Disease management, effectively can utilize the advantage of breeding waste.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention concept structure schematic diagram;
Fig. 2 is embodiment of the present invention solid-liquid separation tank structural representation;
Fig. 3 is embodiment of the present invention NH_3-N treating pool structure schematic diagram;
Fig. 4 is embodiment of the present invention detachable bacterium bed structure schematic diagram;
Fig. 5 is embodiment of the present invention bacterium bed mount structure schematic diagram;
Fig. 6 is embodiment of the present invention foam fraction factor pool structure schematic diagram;
Fig. 7 is embodiment of the present invention livestock waste treating apparatus structural representation.
Embodiment
Below in conjunction with attached embodiment, the present invention is described in further detail.
Drawing reference numeral illustrates: solid-liquid separation tank 1, solid-liquid separation tank body 11, Separation of Solid and Liquid outlet pipe 12, Separation of Solid and Liquid dish 12a, aeration plate 13, water inlet pipe 14, blow-off pipe 15, NH_3-N treating pond 2, ammonia nitrogen checkout gear 20, NH_3-N treating pond body 21, detachable bacterium bed 22, bacterium bed integrated support 221, bacterium bed frame 222, bacterium bed framework 222a, multiple twin rope 222b, adherance 222c, triple valve 23, foam fraction factor pond 3, sandstone 31, drainpipe 32, dividing plate 33, ultraviolet sterilization apparatus 4, culturing pool 5, livestock waste treating apparatus 6, cylinder body 61, working hole 61a, piston 611, feed liquor valve rod 612a, discharge opeing valve rod 612b, electromagnetism pusher 613, liquid inlet channel 614, discharge opeing road 615, connecting bar and crankshaft 62, dead lever 621, homogenate tank 63, supersonic generator 631, filling pipe 632, mother tube 633, discharge nozzle 634, liquid feeding pump 64, positive displacement pump 65.
Embodiment: referring to figs. 1 through Fig. 7, multiple-effect superset reduction cyclic culture device, comprise be connected to form loop successively solid-liquid separation tank 1, NH_3-N treating pond 2, foam fraction factor pond 3, ultraviolet sterilization apparatus 4 and culturing pool 5, wherein: at the bottom of the pond of the solid-liquid separation tank body 11 of solid-liquid separation tank 1, near bottom, be provided with blow-off pipe 15 to lopsidedness; Blow-off pipe 15 connects livestock waste treating apparatus 6; Aeration plate 13 is also evenly equipped with at the bottom of the pond of solid-liquid separation tank body 11; Gap arrangement is provided with and the Separation of Solid and Liquid dish 12a of oblique setting above aeration plate 13; The downside of Separation of Solid and Liquid dish 12a is evenly equipped with close hole, and Separation of Solid and Liquid dish 12a is also connected with Separation of Solid and Liquid outlet pipe 12.Aquaculture wastewater enters solid-liquid separation tank body 11 through water inlet pipe 14, seethes and through the face, close hole of Separation of Solid and Liquid dish 12a under the gas effect of aeration plate 13.Solid in sewage rinses through bubble, leaves face, close hole, and the liquid close hole of water on face, close hole enters inside Separation of Solid and Liquid dish 12a, and is delivered to next treatment pond through Separation of Solid and Liquid outlet pipe 12.Solid dirt to be finally deposited near blow-off pipe 15 and to discharge through blow-off pipe 15.
Livestock waste treating apparatus 6 comprises the cylinder block 61 with inner chamber; Cylinder body 61 inner chamber is provided with the piston 611 that can reciprocatingly slide under external force drives; Cylinder body 61 is also shaped with liquid inlet channel 614 and discharge opeing road 615, and is provided with feed liquor valve rod 612a in liquid inlet channel 614, is provided with discharge opeing valve rod 612b in discharge opeing road 615; Feed liquor valve rod 612a, discharge opeing valve rod 612b can under external force drives control cylinder body 61 inner chamber at times and extraneous UNICOM or isolated; Liquid inlet channel 614 pipeline is connected with the homogenate tank 63 that can provide homogenate fluid.The piston 611 reciprocatingly slided in cylinder body 61 is equipped with feed liquor valve rod 612a, the discharge opeing valve rod 612b of intermittent opening and closing, operates in four-stroke-cycle mode.In said process, the fluid entering cylinder body 61 is acutely extruded, and temperature also raises thereupon, and then pressure removes, and temperature reduces.The effect of sterilization is reached by the rapid drawdown that rises sharply of pressure, temperature.
Homogenate tank 63 has supersonic generator 631.Pending fluid enters in homogenate tank 63 through mother tube 633, and after the ultrasonic oscillation process that supersonic generator 631 sends, fluid is homogenate state, can send in cylinder body 61 and carry out subsequent treatment, overcomes the problem of pending fluid blockage pipeline with this.
Homogenate tank 63 is also provided with filling pipe 632.The effect of filling pipe 632 is when entering the pending fluid water deficient of homogenate tank 63, can open filling pipe 632 pairs of fluids and carry out moisturizing, reduce viscosity, increase mobility.Piston 611 is connected with the connecting bar and crankshaft 62 of outside through the dead lever 621 be applied in cylinder body 61 working hole 61a.Feed liquor valve rod 612a, discharge opeing valve rod 612b are connected with the electromagnetism pusher 613 be arranged on outside cylinder body 61.The pipeline of liquid inlet channel 614 is provided with liquid feeding pump 64; Discharge opeing road 615 is provided with positive displacement pump 65.The effect of liquid feeding pump 64, positive displacement pump 65 is accelerating fluid flowings, speed up processing.
NH_3-N treating pond 2 internal clearance is placed with detachable bacterium bed 22; The bacterium bed integrated support 221 of detachable bacterium bed 22 containing frame-type; Bacterium bed frame 222 can be set with fit system in the framework of bacterium bed integrated support 221; Multiple twin rope 222b is arranged with in the bacterium bed framework 222a of bacterium bed frame 222; Adherance 222c is clamped with in the stranded gap of multiple twin rope 222b.The bacterium bed integrated support 221 of frame-type can arrange single or multiple bacterium bed frame 222 as required, in actual application, single or multiple bacterium bed frames 222 can be pulled down as required transfer to other NH_3-N treating ponds 2 needing to carry out processing after waste water treatment bacteria growing is even, make other be subject to inoculate the cloth strain density that pond can reach processing requirements fast.Be clamped with adherance 222c in the stranded gap of 222b and also there is the same effect adjusting cloth strain density as required, adherance 222c can be increased or take off as required to adjust bacterial density in using, also adherance 222c can be shifted to reach the effect of inoculation waste water treatment bacterium rapid expansion water treatment scale.
Dividing plate 33 is provided with near centre in foam fraction factor pond 3; Dividing plate 33 is equipped with sandstone 31 near the side of water inlet.Being provided with near water outlet in NH_3-N treating pond 2 can according to the ammonia nitrogen checkout gear 20 of ammonia-nitrogen content Decision Control triple valve 23.
Although describe the present invention in conjunction with preferred embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can implement various change, the displacement of coordinate and amendment here to the theme listed, therefore protection scope of the present invention be as the criterion when the scope limited depending on proposed claim.
Claims (6)
1. multiple-effect superset reduction cyclic culture device, comprise be connected to form loop successively solid-liquid separation tank (1), NH_3-N treating pond (2), foam fraction factor pond (3), ultraviolet sterilization apparatus (4) and culturing pool (5), it is characterized in that: at the bottom of the pond of the solid-liquid separation tank body (11) of described solid-liquid separation tank (1), near bottom, be provided with blow-off pipe (15) to lopsidedness; Described blow-off pipe (15) connects livestock waste treating apparatus (6); Aeration plate (13) is also evenly equipped with at the bottom of the pond of described solid-liquid separation tank body (11); Described aeration plate (13) top is provided with gap arrangement and the Separation of Solid and Liquid dish (12a) of oblique setting; The downside of described Separation of Solid and Liquid dish (12a) is evenly equipped with close hole, and Separation of Solid and Liquid dish (12a) is also connected with Separation of Solid and Liquid outlet pipe (12); Described livestock waste treating apparatus (6) comprises the cylinder block (61) with inner chamber; Described cylinder body (61) inner chamber is provided with the piston (611) that can reciprocatingly slide under external force drives; Described cylinder body (61) is also shaped with liquid inlet channel (614) and discharge opeing road (615), and is provided with feed liquor valve rod (612a) in described liquid inlet channel (614), is provided with discharge opeing valve rod (612b) in described discharge opeing road (615); Described feed liquor valve rod (612a), discharge opeing valve rod (612b) can cylinder body (61) inner chamber under external force drives described in control at times and extraneous UNICOMs or isolated; Described liquid inlet channel (614) pipeline is connected with the homogenate tank (63) that can provide homogenate fluid.
2. multiple-effect superset reduction cyclic culture device according to claim 1, is characterized in that: described homogenate tank (63) has supersonic generator (631).
3. multiple-effect superset reduction cyclic culture device according to claim 1, is characterized in that: described homogenate tank (63) is also provided with filling pipe (632).
4. the multiple-effect superset reduction cyclic culture device according to the arbitrary claim of Claims 2 or 3, is characterized in that: described NH_3-N treating pond (2) internal clearance is placed with detachable bacterium bed (22); The bacterium bed integrated support (221) of described detachable bacterium bed (22) containing frame-type; Bacterium bed frame (222) can be set with fit system in the framework of described bacterium bed integrated support (221); Multiple twin rope (222b) is arranged with in the bacterium bed framework (222a) of described bacterium bed frame (222); Adherance (222c) is clamped with in the stranded gap of described multiple twin rope (222b).
5. multiple-effect superset reduction cyclic culture device according to claim 4, is characterized in that: be provided with dividing plate (33) near the centre in described foam fraction factor pond (3); Described dividing plate (33) is equipped with sandstone (31) near the side of water inlet.
6. multiple-effect superset reduction cyclic culture device according to claim 5, is characterized in that: being provided with near water outlet in described NH_3-N treating pond (2) can according to the ammonia nitrogen checkout gear (20) of ammonia-nitrogen content Decision Control triple valve (23).
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| CN201210540023.2A CN102986579B (en) | 2012-12-14 | 2012-12-14 | Multiple-effect super-intensification circulating breeding device |
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| CN103583434A (en) * | 2013-11-12 | 2014-02-19 | 浙江海洋学院 | Sepia-lycidas flow-type artificial fry breeding device |
| CN103598125A (en) * | 2013-11-19 | 2014-02-26 | 浙江海洋学院 | Running water type artificial seed cultivation method for sepia lycidas gray |
| CN104054620A (en) * | 2014-06-25 | 2014-09-24 | 浙江海洋学院 | Closed aquaculture system using roller for solid-liquid separation |
| CN104585113A (en) * | 2014-12-30 | 2015-05-06 | 浙江海洋学院 | Super-intensive breeding device with low circulation rate |
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Address after: 316000 No. 18 Sea Road, Dinghai, Dinghai, Zhejiang, Zhoushan, China Patentee after: Zhejiang Ocean University Address before: 316000 No. 18 Sea Road, Dinghai, Dinghai, Zhejiang, Zhoushan, China Patentee before: ZHEJIANG OCEAN University |
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Application publication date: 20130327 Assignee: ZHEJIANG LYUXIN AQUATIC PRODUCT DEVELOPMENT Co.,Ltd. Assignor: Zhejiang Ocean University Contract record no.: X2023980044313 Denomination of invention: Multi effect ultra intensive circular aquaculture device Granted publication date: 20141231 License type: Common License Record date: 20231025 |