CN102812915A - Sealed net cage feculence filtering and collecting device - Google Patents
Sealed net cage feculence filtering and collecting device Download PDFInfo
- Publication number
- CN102812915A CN102812915A CN2012103473760A CN201210347376A CN102812915A CN 102812915 A CN102812915 A CN 102812915A CN 2012103473760 A CN2012103473760 A CN 2012103473760A CN 201210347376 A CN201210347376 A CN 201210347376A CN 102812915 A CN102812915 A CN 102812915A
- Authority
- CN
- China
- Prior art keywords
- net cage
- mixing device
- collecting
- dirt
- filtering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 37
- 239000008187 granular material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sealed net cage feculence filtering and collecting device comprising a feculence collecting container (1), wherein the feculence collecting container (1) is installed on the bottom part of a sealed net cage (2), a rectangular metal framework (3) is arranged on the bottom part of the sealed net cage (2), the bottom part of the sealed net cage (2) is connected with the metal framework (3) through a rope, a first gas-liquid mixing device (4) and a second gas-liquid mixing device (5) are installed on the metal framework (3), a feculence conveying pipe (6) is communicated with the first gas-liquid mixing device (4), a liquid lifting pipe (7) is communicated with the second gas-liquid mixing device (5), the feculence conveying pipe (6) is connected with the feculence collecting container (1), and compressed air pipes (8) are installed on the first gas-liquid mixing device (4) and the second gas-liquid mixing device (5); and the hemline of the sealed net cage disclosed by the invention and the upper edge fixing ring of the container are connected through a hoop, so that the connection is quick and firm, the compressed air is used as an air source, the air lifting and liquid lifting mode is used for exchanging water and collecting feculence, so that the sealed net cage feculence filtering and collecting device is suitable for working conditions with low lift and large flow rate, the complexity of the device is simplified and the passage blockage caused by the broken feculence granules are reduced.
Description
Technical field
The present invention relates to the aquaculture machinery technical field; Specifically just relate to a kind of net cage bottom that is installed in; When being used to seal the exchange of the continuous water of net cage, after collecting, sealing net cage bottom dirt is delivered to the device for filtering and collecting that the water surface carries out Unified Treatment with collecting in.
Background technology
China is the big country of aquaculture; Society constantly increases the demand of fresh-water fishes, but China's land resources is deficient, the unlikely from now on fish pond of unrestrictedly excavating; The output of pond culture and benefit have been tending towards saturation state in addition; In order to satisfy the demand of people's talk water fish, can only in existing waters, constantly increase the production capacity of unit are, be a kind of important method that increases production capacity in the unit are and utilize inland waters to carry out cage culture.But freshwater cage is cultured and is existed culturing water pollution and the uncontrollable problem of water quality; In the cage culture process owing to increased the nitrogen in the water body, phosphorus and organic matter etc.; The self-purification capacity that has exceeded water body, thus body eutrophication and water quality deterioration might be caused.The disease of extraneous surface water infects simultaneously, usually makes cage culture be subjected to destructive strike.At present, because net cage blowdown collection and treatment technology can't solve, seriously limited the development of the cage culture industry in reservoir, lake.
Existing solution net cage blowdown collection and treatment mainly is a closed fish jar technology waterborne, and this technology mainly comprises glass cylinder of steel shape cultivating system, surveillance, water circulation system, but its equipment is huge; Installation difficulty is high; Limited by water area condition, cost is expensive, therefore is difficult to promote.
Summary of the invention
In the existing cage culture process; Because net cage blowdown collection and treatment technology is immature to cause that nitrogen, phosphorus and organic matter constantly increase in the cage culture water body; The self-purification capacity that has exceeded water body has been polluted the breed waters, and extraneous water body disease was polluted the difficult problem in the inner waters of net cage when collection and the water exchange that contains the solid particle dirt when the objective of the invention is to solve the continuous water exchange of sealing net cage stopped; A kind of aquaculture sealing net cage water exchange contaminants-collecting apparatus and system are provided; Be installed in net cage bottom, superfluous water body discharges after through screen filtration when being used for water exchanged, and the dirt that filter screen stops is promoted to the water surface through the dirt carrier pipe and handles.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of sealing net cage dirt device for filtering and collecting, and it is characterized in that: it comprises dirt collection vessel; Dirt collection vessel is contained in sealing net cage bottom; Sealing net cage bottom is provided with rectangular metal frame, and the net cage bottom is fixed through rope with metal framework, and first Liqiud-gas mixing device and second Liqiud-gas mixing device are installed on the metal framework; Be communicated with the dirt carrier pipe on first Liqiud-gas mixing device; Be communicated with on second Liqiud-gas mixing device and raise the liquid pipe, the dirt carrier pipe is connected on the dirt collection vessel, on first Liqiud-gas mixing device and second Liqiud-gas mixing device compressed air hose is housed;
Said dirt collection vessel hypomere is bucket-shaped collection bucket, and epimere is the cylinder filter house, and cylinder filter house excircle is provided with filter, and the filter upper edge is provided with a retainer plate to evagination, and circular anchor ear is held net cage base and retainer plate tightly;
The filter that said cylinder filter house excircle is provided with is a sieve plate, cylinder filter house and sieve plate looping passage, and the circular passage is communicated with drainpipe, on the draining mouth of pipe, rotary flip is installed, and rotary flip and drainpipe end face junction are provided with sealing gasket.
Further, said fastener is circular anchor ear or flange circle.
Further, said drainpipe nozzle position is not higher than the circular passage bottom level.
Further, on said circular passage and the side that drainpipe symmetry is housed the reverse drift of compressed air is housed, the reverse drift of compressed air is received on the source of the gas valve member.
Further, said drainpipe diameter 100～250mm, draining mouth of pipe end slope is 2～50.
Further, said hole diameter of sieve (perforated) plate 0.5～1mm, the sieve plate peripheral curved is truncated cone-shaped, and the round platform bus tilts 00～20.
Further, said installation rotary flip can rotate 450～500 around tie point.
Beneficial effect
Adopt version of the present invention, water exchanges unnecessary water body and can be discharged after filtering, is convenient to improve the efficient that dirt is collected, and realizes continuable water exchange process.The unidirectional discharging of water body after flip-open cover mechanism is realized filtering; It is inner that isolated extraneous water body disease is poured in down a chimney the inflow net cage; Sewage conveying tube is outwards drawn by net cage bottom container inside, and maximum benefit is to seal net cage inside and no longer keeps the dirt carrier pipe, solves a difficult problem that plays fishing in the net cage.Sealing net cage base and container upper edge retainer plate adopt the anchor ear type of attachment; Connect fast firmly; Employing is source of the gas with compressed air, adopts gas to carry to raise the liquid mode to carry out the water exchange and collects with dirt, is fit to low lift, flow operating mode greatly; Simplify the device complexity, reduced the broken blocking channel of dirt particle.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Accompanying drawing 2 is structural representations of dirt collection vessel among the present invention.
Embodiment
Shown in accompanying drawing 1, a kind of sealing net cage dirt device for filtering and collecting, it comprises dirt collection vessel 1; Dirt collection vessel 1 is contained in sealing net cage 2 bottoms; Sealing net cage 2 bottoms are provided with rectangular metal frame 3, and net cage 2 bottoms and metal framework 3 are fixed through rope, and first Liqiud-gas mixing device 4 and second Liqiud-gas mixing device 5 are installed on the metal framework 3; Be communicated with dirt carrier pipe 6 on first Liqiud-gas mixing device 4; Be communicated with on second Liqiud-gas mixing device 5 and raise liquid pipe 7, dirt carrier pipe 6 is connected on the dirt collection vessel 1, on first Liqiud-gas mixing device 4 and second Liqiud-gas mixing device 5 compressed air hose 8 is housed;
Shown in accompanying drawing 2; Said dirt collection vessel 1 hypomere is bucket-shaped collection bucket 101; Epimere is a cylinder filter house 102; Cylinder filter house 102 excircles are provided with filter 103, and filter 103 upper edges are provided with a retainer plate 104 to evagination, and fastener 105 is held net cage 2 bases and retainer plate 104 tightly;
The filter 103 that said cylinder filter house 102 excircles are provided with is sieve plate; Cylinder filter house 102 and sieve plate looping path 10 5; Circular passage 105a is communicated with drainpipe 106; Rotary flip 107 is installed on 106 mouthfuls in drainpipe, and rotary flip 107 is provided with sealing gasket with drainpipe 106 end face junctions.
Preferably, said fastener 105 is circular anchor ear or flange circle.
Preferably, said drainpipe 106 nozzle positions are not higher than circular passage 105a bottom level.
Preferably, on said circular passage 105a and the side that drainpipe 106 symmetry is housed the reverse drift 106a of compressed air is housed, the reverse drift 106a of compressed air receives on the source of the gas valve member.
Preferably, said drainpipe 106 diameters 100～250mm, 106 mouthfuls of end slopes of drainpipe are 2～50.
Preferably, said hole diameter of sieve (perforated) plate 0.5～1mm, the sieve plate peripheral curved is truncated cone-shaped, and the round platform bus tilts 00～20.
Preferably, said installation rotary flip 107 can rotate 450～500 around tie point.
When device is installed; To seal circular base, net cage 2 bottoms earlier is socketed on the dirt collection vessel 1 upper edge retainer plate 104; It is fixing that fastener 105 will seal net cage 2 bases and dirt collection vessel 1 upper edge retainer plate 104 then, and dirt collection vessel 1 is led to the sewage conveying tube 6 and first Liqiud-gas mixing device, 4 UNICOMs in the outside, and the 4 one side voltage supply of first Liqiud-gas mixing device are contracted behind the air; Sewage is discharged the water surface from first Liqiud-gas mixing device, 4 top sewage conducts, is convenient to dirt and collects.Raise liquid pipe 7 and second Liqiud-gas mixing device, 5 UNICOMs equally, the 5 one side voltage supply of second Liqiud-gas mixing device are contracted behind the air, and the depths water body drains in the sealing net cage 2 from second Liqiud-gas mixing device, 5 top feedwater pipings, realize the water exchange.When the water exchange stops inside and outside the sealing net cage, renovate auto-closing, the germ in the extraneous water body can't get in the net cage, realizes isolating inside and outside the net cage.
Advantage of the present invention is: adopt version of the present invention, water exchanges unnecessary water body and can be discharged after filtering, is convenient to improve the efficient that dirt is collected, and realizes continuable water exchange process; The unidirectional discharging of water body after flip-open cover mechanism is realized filtering, it is inner that isolated extraneous water body disease is poured in down a chimney the inflow net cage; Sewage conveying tube is outwards drawn by net cage bottom container inside, and maximum benefit is to seal net cage inside and no longer keeps the dirt carrier pipe, solves a difficult problem that plays fishing in the net cage; Circular passage 105a with the side that drainpipe 106 symmetry is housed on the reverse drift 106a of compressed air is housed can prevents effectively that screen cloth from stopping up; Sealing net cage base and container upper edge retainer plate adopt the anchor ear type of attachment, connect fast firmly; It is source of the gas that system adopts with compressed air, adopts gas to carry to raise the liquid mode to carry out the water exchange and collects with dirt, is fit to low lift, flow operating mode greatly; Simplified the system complex degree; Reduced the fragmentation of dirt particle, water exchange simultaneously, dirt collection successively control simple.
Claims (7)
1. one kind is sealed the net cage dirt device for filtering and collecting; It is characterized in that: it comprises dirt collection vessel (1); Dirt collection vessel (1) is contained in sealing net cage (2) bottom; Sealing net cage (2) bottom is provided with rectangular metal frame (3), and net cage (2) bottom is fixed through rope with metal framework (3), and first Liqiud-gas mixing device (4) and second Liqiud-gas mixing device (5) are installed on the metal framework (3); Be communicated with dirt carrier pipe (6) on first Liqiud-gas mixing device (4); Be communicated with on second Liqiud-gas mixing device (5) and raise liquid pipe (7), dirt carrier pipe (6) is connected on the dirt collection vessel (1), on first Liqiud-gas mixing device (4) and second Liqiud-gas mixing device (5) compressed air hose (8) is housed;
Said dirt collection vessel (1) hypomere is bucket-shaped collection bucket (101); Epimere is cylinder filter house (102); Cylinder filter house (102) excircle is provided with filter (103); Filter (103) upper edge is provided with a retainer plate to evagination (104), and fastener (105) is held net cage (2) base and retainer plate (104) tightly;
The filter (103) that said cylinder filter house (102) excircle is provided with is a sieve plate; Cylinder filter house (102) and sieve plate looping passage (105a); Circular passage (105a) is communicated with drainpipe (106); Rotary flip (107) is installed on drainpipe (106) mouth, and rotary flip (107) is provided with sealing gasket with drainpipe (106) end face junction.
2. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1 is characterized in that: said fastener (105) is circular anchor ear or flange circle.
3. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1 is characterized in that: said drainpipe (106) nozzle position is not higher than circular passage (105a) bottom level.
4. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1 is characterized in that:
On said circular passage (105a) and the side that drainpipe (106) symmetry is housed the reverse drift of compressed air (106a) is housed, the reverse drift of compressed air (106a) is received on the source of the gas valve member.
5. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1 is characterized in that: said drainpipe (106) diameter 100～250mm, drainpipe (a 106) mouthful end slope is 2～50.
6. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1 is characterized in that: said hole diameter of sieve (perforated) plate 0.5～1mm, and the sieve plate peripheral curved is truncated cone-shaped, and the round platform bus tilts 00～20.
7. a kind of sealing net cage dirt device for filtering and collecting as claimed in claim 1, it is characterized in that: said installation rotary flip (107) can rotate 450～500 around tie point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103473760A CN102812915B (en) | 2012-09-17 | 2012-09-17 | Sealed net cage feculence filtering and collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103473760A CN102812915B (en) | 2012-09-17 | 2012-09-17 | Sealed net cage feculence filtering and collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102812915A true CN102812915A (en) | 2012-12-12 |
| CN102812915B CN102812915B (en) | 2013-11-06 |
Family
ID=47297630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103473760A Expired - Fee Related CN102812915B (en) | 2012-09-17 | 2012-09-17 | Sealed net cage feculence filtering and collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102812915B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461145A (en) * | 2017-03-27 | 2019-11-15 | 胜科海事综合船厂私人有限公司 | Floatation device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104389A (en) * | 1985-08-23 | 1987-03-04 | 福莱格特公司 | Be used to train the device of breeding fish and shellfish etc. |
| JPH099820A (en) * | 1995-07-01 | 1997-01-14 | Tomoji Tanaka | Processed net for preventing from attachment of shellfish, insect and alga and floating net basket for cultured fish |
| KR20020014640A (en) * | 2000-08-29 | 2002-02-25 | 주점섭 | rapid water drain apparatus for cistern |
| TWM285908U (en) * | 2005-06-16 | 2006-01-21 | Jen-Huei Liau | Aquarium tank structure featuring automatic collection, deposition, and discharge of dirt |
| CN101011043A (en) * | 2007-02-06 | 2007-08-08 | 天津市水产研究所 | Controllable environment-friendly type fish culture box |
| US20080202998A1 (en) * | 2007-02-23 | 2008-08-28 | Kuo-Tang Tseng | Sewage treatment system for breeding system |
| CN101731164A (en) * | 2009-11-12 | 2010-06-16 | 中国水产科学研究院渔业机械仪器研究所 | Closed water-flowing type aquaculture net cage |
| CN101869080A (en) * | 2010-06-08 | 2010-10-27 | 中国水产科学研究院渔业机械仪器研究所 | Net cage dirt collecting device |
| CN101946736A (en) * | 2010-09-10 | 2011-01-19 | 通威股份有限公司 | System for mechanically pumping excreta of fish bodies in feeding cage |
| CN202773785U (en) * | 2012-09-17 | 2013-03-13 | 中国水产科学研究院渔业机械仪器研究所 | Sewage filtering collection device with closed net cage |
-
2012
- 2012-09-17 CN CN2012103473760A patent/CN102812915B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104389A (en) * | 1985-08-23 | 1987-03-04 | 福莱格特公司 | Be used to train the device of breeding fish and shellfish etc. |
| JPH099820A (en) * | 1995-07-01 | 1997-01-14 | Tomoji Tanaka | Processed net for preventing from attachment of shellfish, insect and alga and floating net basket for cultured fish |
| KR20020014640A (en) * | 2000-08-29 | 2002-02-25 | 주점섭 | rapid water drain apparatus for cistern |
| TWM285908U (en) * | 2005-06-16 | 2006-01-21 | Jen-Huei Liau | Aquarium tank structure featuring automatic collection, deposition, and discharge of dirt |
| CN101011043A (en) * | 2007-02-06 | 2007-08-08 | 天津市水产研究所 | Controllable environment-friendly type fish culture box |
| US20080202998A1 (en) * | 2007-02-23 | 2008-08-28 | Kuo-Tang Tseng | Sewage treatment system for breeding system |
| CN101731164A (en) * | 2009-11-12 | 2010-06-16 | 中国水产科学研究院渔业机械仪器研究所 | Closed water-flowing type aquaculture net cage |
| CN101869080A (en) * | 2010-06-08 | 2010-10-27 | 中国水产科学研究院渔业机械仪器研究所 | Net cage dirt collecting device |
| CN101946736A (en) * | 2010-09-10 | 2011-01-19 | 通威股份有限公司 | System for mechanically pumping excreta of fish bodies in feeding cage |
| CN202773785U (en) * | 2012-09-17 | 2013-03-13 | 中国水产科学研究院渔业机械仪器研究所 | Sewage filtering collection device with closed net cage |
Non-Patent Citations (2)
| Title |
|---|
| 刘平等: "封闭流水式网箱鳗鱼养殖新技术", 《渔业现代化》 * |
| 江涛: "采用网箱集污系统构建环保型网箱", 《中国水产》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461145A (en) * | 2017-03-27 | 2019-11-15 | 胜科海事综合船厂私人有限公司 | Floatation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102812915B (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201726747U (en) | Ecotypic fish farming system | |
| CN101869080B (en) | Net cage dirt collecting device | |
| CN102824781B (en) | Method for filtering and separating suspended maters from water and filtering device used in method | |
| CN210445375U (en) | Automatic waste fitting discharging in accuse temperature recirculating aquaculture pond | |
| CN103583457B (en) | A kind of pond water quality biological purification device based on aeration | |
| CN103835328A (en) | Jet-type sediment cleaning system | |
| CN104823909A (en) | Multifunctional culture pond | |
| CN203661832U (en) | Paddy field soft-shelled turtle breeding ecological system | |
| CN202773785U (en) | Sewage filtering collection device with closed net cage | |
| CN205266649U (en) | Box with a net fish body excrement recovery system | |
| CN206233286U (en) | Water conservancy construction Accrete clearing device | |
| CN201682880U (en) | Three-dimensional fish farming shop | |
| CN104710092A (en) | Plastic steel biogas septic tank | |
| CN203370354U (en) | Blue algae blocking filter device with N-shaped filter screen | |
| CN102812915B (en) | Sealed net cage feculence filtering and collecting device | |
| CN103172223A (en) | Sewage treatment system and method for zero energy consumption land adsorbent bed | |
| CN204742224U (en) | Ecological farming systems | |
| CN105145468A (en) | Intensive sewage discharging and escape preventing device used for aquaculture | |
| CN106567505A (en) | Household separate rainwater collecting and processing device and method for drought regions | |
| CN106172172A (en) | A kind of built-in type runway culturing pool collection blowdown apparatus | |
| CN203159411U (en) | Zero-energy consumption land adsorption bed sewage-treatment system | |
| CN110318381A (en) | A kind of wind energy cyanobacteria automatic collecting device | |
| CN214780803U (en) | Algae, mosquito and duckweed combined control device based on dry and wet effect | |
| CN105036336A (en) | Gas cultivation mobile pollution water body governing and recovery system and building method | |
| CN208898702U (en) | Glass toughening manure pit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 |