CN107593569B - Aquaculture biological treatment device - Google Patents
Aquaculture biological treatment device Download PDFInfo
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- CN107593569B CN107593569B CN201711025480.7A CN201711025480A CN107593569B CN 107593569 B CN107593569 B CN 107593569B CN 201711025480 A CN201711025480 A CN 201711025480A CN 107593569 B CN107593569 B CN 107593569B
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- pipe
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- water
- weir
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 31
- 244000144974 aquaculture Species 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 238000005273 aeration Methods 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides an aquaculture biological treatment device, which solves the technical problems that the existing device occupies a large area, cannot be prefabricated and produced in factories, has a complex structure and higher cost, needs to be shut down frequently, and is integrally disassembled and cleaned; an aeration pipe is arranged at the bottom of the inner cavity of the outer shell and provided with an air vent, and the aeration pipe is communicated with the air vent; the bottom of the side wall of the outer shell is provided with a water inlet which is communicated with a water inlet pipe, and the water inlet end of the water inlet pipe is tangent to the inner wall of the outer shell; the upper part of the side wall of the shell is connected with a water outlet weir groove which is communicated with a water outlet pipe; go out the water weir groove and be equipped with the weir crest, the weir crest is established on shell body lateral wall upper portion, and the weir crest inlays and is equipped with the side hole board, is equipped with a plurality of apopore on the side hole board, and apopore aperture is less than the biofilm carrier size, but wide application in aquaculture technical field.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to an aquaculture biological treatment device.
Background
Aquaculture is an important part of agricultural production, plays an important role in national economy, and has been rapidly developed in the past fifty years. However, with the continuous expansion of the cultivation scale, the problems of frequent diseases, low product quality and the like are highlighted, ecological imbalance and environmental deterioration are caused by the occupation and consumption of a large amount of resources, and the development is greatly limited due to the limitation of technology and resources. Under the background, the development of the aquaculture industry to the factory is imperative. The basic flow of the existing aquaculture industrial circulating water system is as follows: the method comprises the steps of breeding pond-physical filtration-biological filtration-temperature control-ultraviolet disinfection-oxygenation-breeding pond, and circulating operation, wherein the biological filtration is the most important link, and a general biological treatment device adopts two structures, namely a concrete or brick pool structure, which is durable, but has larger occupied area, can only be arranged on site by an auxiliary pipeline, cannot be prefabricated and produced in a factory, and cannot meet the popularization and the popularization of the aquaculture industry; the other type is a double-layer sleeve type filtering structure, although the structure is simple to install, the structure is complex, the manufacturing cost is high, and the whole body is required to be stopped frequently during the use process, so that the whole body is detached and cleaned, and the use is very inconvenient.
Disclosure of Invention
The invention aims to solve the technical defects and provide an aquaculture biological treatment device which has the advantages of small occupied area, simple structure, lower manufacturing cost, capability of being prefabricated and produced in factories and modularized combination on site and no need of disassembly and cleaning when in use.
Therefore, the invention provides an aquaculture biological treatment device which is provided with an outer shell and biological filler, wherein the biological filler is arranged in the outer shell and is also provided with a bottom plate, a drain pipe, an aeration pipe, a vent pipe, a side hole plate and a water outlet pipe; the biological filler is suspended biological filler; the outer shell is of a cylindrical structure, the bottom of the outer shell is hermetically provided with a bottom plate, and the bottom plate is provided with a water outlet which is communicated with a water drain pipe; an aeration pipe is arranged at the bottom of the inner cavity of the outer shell, an air vent is arranged on the aeration pipe, and the aeration pipe is communicated with the air vent; the bottom of the side wall of the outer shell is provided with a water inlet which is communicated with a water inlet pipe, and the water inlet end of the water inlet pipe is tangent to the inner wall of the outer shell; the upper part of the side wall of the outer shell is connected with a water outlet weir groove which is communicated with a water outlet pipe; go out the water weir groove and be equipped with the weir crest, the weir crest is established on the lateral wall upper portion of shell body, and the weir crest inlays and is equipped with the side hole board, is equipped with a plurality of apopore on the side hole board, and the aperture of apopore is less than biofilm carrier's size.
Preferably, the water outlet weir notch is further provided with a first side panel, a second side panel and a lower panel fixedly connected with the bottoms of the first side panel and the second side panel, one ends of the first side panel and the second side panel are respectively and fixedly connected with the outer walls of the side walls of the outer shell positioned at the left side and the right side of the weir port, one end of the lower panel is fixedly connected with the outer wall of the side wall of the outer shell positioned at the lower side of the weir port, and the water baffle is hermetically arranged on the cross section of the groove formed by the other ends of the first side panel, the second side panel and the lower panel; the lower panel is provided with a water outlet which is connected with a water outlet pipe.
Preferably, one end of each of the first side panel and the second side panel is tangentially connected with the outer wall of the side wall of the outer shell.
Preferably, the side hole plate is of an arc-shaped structure, and the radius of an inner arc of the side hole plate is the same as that of an inner cavity of the outer shell.
Preferably, the upper surface of the bottom plate is of a downward concave conical structure, and the water outlet is formed in the conical bottom of the bottom plate.
Preferably, the aeration pipe is a tubular microporous aeration pipe, and the vent hole is formed in the lower surface of the aeration pipe.
Preferably, the aeration pipe is composed of a plurality of annular pipes which are coaxially arranged by the axis of the conical bottom of the bottom plate and is arranged below the horizontal plane where the water inlet is positioned.
Preferably, the aeration pipe is introduced from the upper part of the outer shell, vertically extends downwards along the inner wall of the outer shell and is communicated with the aeration pipe in a crossing way.
Preferably, the biological filler is a polypropylene material with a plate-shaped or spherical structure.
Preferably, the water outlet pipe of the outer shell is communicated with the water inlet pipe of the adjacent outer shell in series through a connecting pipeline.
The invention has the beneficial effects that: the invention provides an aquaculture biological treatment device, which has the advantages of small occupied area, simple structure, lower manufacturing cost, convenience for prefabrication production in a factory and field modular combination; the rotational flow design is adopted, the disturbance of the water body and the biological filler is increased, and the biological treatment efficiency and quality of the aquaculture water body are obviously improved; need not to dismantle in routine maintenance and wash filtering impurity, only need to wash the apopore of side hole board totally, through deposiing, will filter impurity and discharge from the outlet, improve work efficiency, it has very high practicality to reduce cost of labor and device routine maintenance expense, realizes promoting and popularizing on a large scale of standardized breed in the aquaculture industry, has higher economic value and market spreading value.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic structural view of the outer shell and the effluent weir trough of fig. 2;
FIG. 5 is a schematic structural diagram of a bottom view of the aeration tube and the aeration tube of FIG. 2;
FIG. 6 is a schematic diagram of the structure of the present invention used in series.
The mark in the figure is: 1. the biological filling device comprises an outer shell, 2 parts of biological filling materials, 3 parts of a bottom plate, 4 parts of a drain pipe, 5 parts of an aeration pipe, 6 parts of an aeration pipe, 7 parts of a water outlet pipe, 8 parts of a water inlet pipe, 9 parts of a water outlet weir groove, 10 parts of a side hole plate, 11 parts of a drain port, 12 parts of an air vent, 13 parts of a water inlet, 14 parts of a weir notch, 15 parts of a water outlet hole, 161 parts of a first side plate, 162 parts of a second side plate, 17 parts of a lower panel, 18 parts of a water baffle, 19 parts of a water outlet, 20 parts of a connecting pipeline and 21 parts of a water surface.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples to assist understanding of the invention. The method used in the invention is a conventional method if not specially specified; the raw materials and the apparatus used were, unless otherwise specified, conventional commercially available products.
As shown in fig. 1-5, the invention provides an aquaculture biological treatment device, which comprises an outer shell 1, biological fillers 2, a bottom plate 3, a water discharge pipe 4, an aeration pipe 5, a ventilation pipe 6, a water outlet pipe 7, a water inlet pipe 8, a water outlet weir trough 9 and a side hole plate 10.
According to the invention, the outer shell 1 is made into a cylindrical structure by adopting glass fiber reinforced plastic or plastic plates, the biological filler 2 is arranged in the outer shell 1, the biological filler 2 is made of a spherical polypropylene material, the suspended biological filler can be always in a suspended state in a water body in the outer shell 1 and is three-dimensionally and omni-directionally distributed on the upper layer, the middle layer and the lower layer of the water body, so that the maximum surface area of the suspended biological filler is contacted with the water body, and each layer of water body is purified, thereby integrally improving the biological treatment quality and efficiency. The biological filler 2 may also be a sheet-like structure.
The bottom of the outer shell 1 is hermetically provided with the bottom plate 3, the upper surface of the bottom plate 3 is of a downward-concave conical structure, the water outlet 11 is arranged at the conical bottom of the bottom plate 3, the conical bottom is the conical tip of the bottom, the water outlet 11 is communicated with the water outlet pipe 4, and the conical bottom of the bottom plate 3 is beneficial to precipitation of water impurities on one hand and outwards discharge of dirty water when the water outlet pipe 4 is opened on the other hand.
The bottom of the inner cavity of the outer shell 1 is provided with an aeration pipe 5, the aeration pipe 5 is a tubular microporous aeration pipe, the pipe is arranged below the horizontal plane of a water inlet 13 and consists of a plurality of annular pipes which are coaxially arranged by the axis of the conical bottom of the bottom plate 3, the lower surface of the aeration pipe 5 is uniformly distributed with vent holes 12, so that the bottom water body is aerated fully and uniformly and then floats upwards to enter the rotational flow of the water body, and the airflow generated by aeration does not influence the vortex after water inlet. The aeration pipe 6 is introduced from the upper part of the outer shell 1, vertically extends downwards along the inner wall of the outer shell 1 and is communicated with the aeration pipe 5 in a cross way, so that the influence of the aeration pipe 6 in the water body on the eddy of the water body is reduced to the maximum extent, each ring of the aeration pipe 5 is fully aerated through cross circulation, and the biological quality and the efficiency of the water body are improved.
According to the invention, the water inlet 13 is formed in the bottom of the side wall of the outer shell 1, the water inlet 13 is communicated with the water inlet pipe 8, the water inlet end of the water inlet pipe 8 is tangent to the inner wall of the outer shell 1, a water body to be treated enters the inner part of the outer shell 1 from the water inlet 13, a rotating water flow is formed along the inner wall, no dead angle exists, and the biological treatment efficiency and quality of the water body are improved.
The upper part of the side wall of the outer shell 1 is connected with a water outlet weir groove 9, and the water outlet weir groove 9 is communicated with a water outlet pipe 7. The water outlet weir notch 9 is provided with a weir crest 14, the weir crest 14 is approximately rectangular, the weir crest 14 is arranged at the upper part of the side wall of the outer shell 1, the weir crest 14 is embedded with a side hole plate 10, the side hole plate 10 is of an arc structure, the radius of the inner arc of the side hole plate is the same as that of the inner cavity of the outer shell 1, so that the water body smoothly passes through the side hole plate 10 in the rotating process without being blocked by the side hole plate 10, and the biological treatment efficiency of the water body is improved; a plurality of water outlet holes 15 are formed in the side hole plate 10, the aperture of each water outlet hole 15 is smaller than the size of the biological filler 2, and the biological filler 2 is prevented from entering the water outlet weir groove 9 and being unexpectedly discharged from the water outlet pipe 7 to influence the water quality. The water outlet weir notch 9 is also provided with a first side panel 161, a second side panel 162 and a lower panel 17 fixedly connected with the bottom of the first side panel 161 and the bottom of the second side panel 162, one end of each of the first side panel 161 and the second side panel 162 is respectively tangent and fixedly connected with the outer wall of the side wall of the outer shell 1 positioned at the left side and the right side of the weir port 14, so that the water body subjected to biological treatment in the outer shell 1 is subjected to biological treatment, the resistance of the water body to the side panels after passing through the side panels 10 is reduced to the maximum extent, the water body is prevented from being subjected to secondary pollution caused by turbulent water flow in the outer shell 1 after flowing backwards again, and the biological treatment quality and efficiency of the water body are improved; one end of the lower panel 17 is fixedly connected with the outer wall of the side wall of the outer shell 1 positioned at the lower side of the weir crest 14, the water baffle 18 is hermetically arranged on the groove cross section formed by the first side panel 161, the second side panel 162 and the other end of the lower panel 17, and a transit buffer cavity for discharging water is formed by the outer wall of the side wall of the outer shell 1, the water outlet weir groove 9, the side hole plate 10 and the water baffle 18; the lower panel 17 is provided with a water outlet 19, the water outlet 19 is connected with the water outlet pipe 7, and the water in the water outlet weir notch 9 enters the water outlet pipe 7 through the water outlet 19 and is discharged outwards under the action of the gravity and the subsequent water thrust.
The working principle of the invention is as follows: filling 60% of biological filler 2 into the outer shell 1, tangentially conveying the water body to be treated into the outer shell 1 from the water inlet 13, and forming rotary water flow along the inner wall; meet breather pipe 6 with the air-blower, make gaseous aeration pipe 5 of entering into through breather pipe 6, aeration pipe 5 forms the bubble from 1 bottom come-up of shell body after ventilating, bubble and rotatory rivers drive suspension biofilm carrier 2, it is rotatory to roll from top to bottom, make the biological fungus and the water on attached to biofilm carrier 2 fully contact, finally become harmless nitrogen gas with harmful ammonia nitrogen in the water, the water that accomplishes biological treatment passes through side orifice plate 10 on shell body 1 upper portion, get into water weir groove 9, outwards discharge from outlet pipe 7, realize the cyclic utilization of aquaculture water.
As shown in figure 6, the water outlet pipe 7 of the outer shell 1 of the invention is communicated with the water inlet pipe 8 of the adjacent outer shell 1 in series through the connecting pipeline 20, the aquaculture water enters the second outer shell 1 for further biological treatment through the communicating pipeline 20 after the biological treatment is finished in the first outer shell 1, and the rest is done so that the aquaculture water is continuously harmfully purified. A plurality of the biological treatment device are configured according to the aquaculture water body and are connected in series for use, so that the aquaculture water body is subjected to multi-stage purification, the biological treatment time of the water body is prolonged, the limitation of a limited number of biological fillers 2 in a single outer shell body 1 is overcome, the biological treatment quality of the water body is further improved, and the requirement of recycling of the aquaculture water body is finally met.
All components of the invention can be prefabricated in a factory, and can be assembled in a modularized way on site, so that the construction is convenient and fast, and the period is short; the combined type building block can be integrally moved as required after being built, all parts are transported to a new site to be re-assembled in a modularized mode in a vehicle transportation mode and other modes after being disassembled on an old site, the parts are assembled immediately after being disassembled, the moving and the rebuilding are convenient and quick, the period is short, and the cost is low; the modular combined installation occupies a small area and has low manufacturing cost; in addition, the invention has simple structure, and the filter impurities do not need to be detached and cleaned in the routine maintenance process, and only the water outlet holes 15 of the side hole plates 10 need to be washed clean, and the filter impurities are discharged from the water outlet 11 through precipitation, thereby improving the working efficiency, and reducing the labor cost and the routine maintenance cost of the device.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereby, and therefore, the scope of the present invention is not limited thereby, and all the equivalent components, or equivalent changes and modifications made according to the protection scope of the present invention, such as adding intelligent control device, dissolved oxygen sensor, water quality monitor and other intelligent detection and control system on the basis of the present invention, should also fall within the scope of the present invention.
Claims (8)
1. An aquaculture biological treatment device is provided with an outer shell (1) and biological fillers (2), wherein the biological fillers (2) are arranged in the outer shell (1), and the aquaculture biological treatment device is characterized by also being provided with a bottom plate (3), a drain pipe (4), an aeration pipe (5), a vent pipe (6), a water outlet pipe (7), a water inlet pipe (8), a water outlet weir notch (9) and a side hole plate (10); the biological filler (2) is a suspended biological filler; the outer shell (1) is of a cylindrical structure, the bottom of the outer shell (1) is hermetically provided with the bottom plate (3), the bottom plate (3) is provided with a water outlet (11), and the water outlet (11) is communicated with the water drain pipe (4); the bottom of the inner cavity of the outer shell (1) is provided with the aeration pipe (5), the aeration pipe (5) is provided with an air vent (12), and the aeration pipe (5) is communicated with the air vent pipe (6); a water inlet (13) is formed in the bottom of the side wall of the outer shell (1), the water inlet (13) is communicated with the water inlet pipe (8), and the water inlet end of the water inlet pipe (8) is tangent to the inner wall of the outer shell (1); the upper part of the side wall of the outer shell (1) is connected with a water outlet weir groove (9), and the water outlet weir groove (9) is communicated with the water outlet pipe (7); the water outlet weir notch (9) is provided with a weir crest (14), the weir crest (14) is arranged at the upper part of the side wall of the outer shell (1), the weir crest (14) is embedded with the side hole plate (10), the side hole plate (10) is provided with a plurality of water outlets (15), and the aperture of each water outlet (15) is smaller than the size of the biological filler (2);
the water outlet weir notch (9) is further provided with a first side panel (161), a second side panel (162) and a lower panel (17) fixedly connected with the bottoms of the first side panel (161) and the second side panel (162), one ends of the first side panel (161) and the second side panel (162) are respectively and fixedly connected with the outer walls of the side walls of the outer shells (1) positioned at the left side and the right side of the weir port (14), one end of the lower panel (17) is fixedly connected with the outer wall of the side wall of the outer shell (1) positioned at the lower side of the weir port (14), water baffles (18) are hermetically arranged on the groove cross sections formed by the first side panel (161), the second side panel (162) and the other end of the lower panel (17), and a transit buffer cavity for discharging water is formed by the outer wall of the outer shell (1), the water outlet notch (9), the side hole plate (10) and the water baffles (18); the lower panel (17) is provided with a water outlet (19), and the water outlet (19) is connected with the water outlet pipe (7); one end of each of the first side panel (161) and the second side panel (162) is tangent and fixedly connected with the outer wall of the side wall of the outer shell (1).
2. An aquaculture biological treatment apparatus according to claim 1, wherein said side perforated plates (10) are of circular arc configuration with an inner circular arc radius equal to the inner cavity radius of said outer housing (1).
3. An aquaculture biological treatment apparatus according to claim 1, wherein the upper surface of said base plate (3) is of a downwardly concave conical configuration, and said drain opening (11) is provided in the conical bottom of said base plate (3).
4. An aquaculture biological treatment apparatus according to claim 3, wherein said aeration pipe (5) is a tubular microporous aeration pipe, and said ventilation holes (12) are provided in the lower surface of said aeration pipe (5).
5. An aquaculture biological treatment apparatus according to claim 4, wherein said aeration pipes (5) are formed by a plurality of annular pipes arranged coaxially with the axis of the conical bottom of said base plate (3) and are arranged below the horizontal plane of said water inlet (13); and in two adjacent annular tubes, the annular tube positioned on the inner side is lower than the annular tube positioned on the outer side.
6. An aquaculture biological treatment apparatus according to any one of claims 1-5, wherein said aeration pipe (6) is introduced from the upper part of said outer housing (1) and extends vertically downwards along the inner wall of said outer housing (1) and communicates crosswise with said aeration pipe (5).
7. An aquaculture biological treatment apparatus according to claim 6, wherein said biological filler (2) is a polypropylene material with a sheet or spherical structure.
8. An aquaculture biological treatment apparatus according to claim 7, wherein the outlet pipe (7) of the outer housing (1) is in series communication with the inlet pipe (8) of an adjacent outer housing (1) via a connecting line (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025480.7A CN107593569B (en) | 2017-10-27 | 2017-10-27 | Aquaculture biological treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025480.7A CN107593569B (en) | 2017-10-27 | 2017-10-27 | Aquaculture biological treatment device |
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| CN107593569A CN107593569A (en) | 2018-01-19 |
| CN107593569B true CN107593569B (en) | 2023-02-28 |
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| CN202265456U (en) * | 2011-10-28 | 2012-06-06 | 浙江工商大学 | Aeration disc and aeration device for water pollution regulation of riverways |
| CN204014757U (en) * | 2014-07-29 | 2014-12-17 | 贵州锦江大鲵科技股份有限公司 | Giant salamander hatching bed |
| CN204555558U (en) * | 2014-12-31 | 2015-08-12 | 史学明 | The loose fluid bed dryer of multicell staggered floor rake |
| CN105129977A (en) * | 2015-10-10 | 2015-12-09 | 许建民 | Novel aerobiont fluidized bed reactor and technology thereof |
| CN205803084U (en) * | 2016-05-23 | 2016-12-14 | 扬州市恒川环境工程有限公司 | A kind of speed change reactor |
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Effective date of registration: 20231212 Address after: Room 405, Building B, Innovation and Entrepreneurship Base, No. 213 Huoju Road, Huoju High tech Industrial Development Zone, Weihai City, Shandong Province, 264200 Patentee after: Dejing Technology Services (Weihai) Co.,Ltd. Address before: 264200 Fourth Floor, Innovation Building, 108 Shenyang Road, Weihai High-tech District, Shandong Province Patentee before: SHANDONG ZHONGTIAN YIHE NEW ENERGY TECHNOLOGY CO.,LTD. |