CN101637144A - Cultivation water filtration method and device thereof - Google Patents
Cultivation water filtration method and device thereof Download PDFInfo
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- CN101637144A CN101637144A CN200910042214A CN200910042214A CN101637144A CN 101637144 A CN101637144 A CN 101637144A CN 200910042214 A CN200910042214 A CN 200910042214A CN 200910042214 A CN200910042214 A CN 200910042214A CN 101637144 A CN101637144 A CN 101637144A
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Abstract
The invention discloses a cultivation water filtration method, including a cultivation water filtration step. The cultivation water filtration step includes that: cultivation water to be filtered passes through a filter screen in surge water flow state from the filter screen down-up under the driving of a power source. The invention also discloses a filtration device for realizing the cultivationwater filtration method, comprising a tank body and a filter screen arranged in the tank body; wherein the tank body is opened with a water inlet and a water outlet, the filter screen is arranged toward the water inlet direction in an inclined way and is arranged above the water inlet, the lower end of the filter screen is connected with a vertical clapboard, the filter screen and the clap board divide the space in the tank body into a sewage region and a clear water region, and the water inlet is communicated with the sewage region while the water outlet is communicated with the clear water region. The invention can cause masses of sewage to strike the filter screen under the driving of surge water flow and deposit downward, filtration time is increased, reverse washing frequency is reduced, and better filtration effect can be realized.
Description
Technical field
The present invention relates to culture water circulation treatment process field, be specifically related to a kind of breed water filtration method, be applicable to industrial circulating water form and grow seedlings, the former water treatment of aquaculture, aquarium circulating water treatment, seafood wholesale market support water treatment systems such as system and scientific experimentation temporarily, also relates to the filter of realizing said method.
Background technology
Culture aquatile with culturing water, require pure, pollution-free, the no foul of water quality, therefore the water in the breeding trough needs often to filter, early stage breed water filter is fairly simple, generally be to adopt active carbon or filter cotton to carry out double medium filtration, still, the large granular impurity that this filter type can only filtering suspends, and can not effectively filter for less impurity of particle such as the algae in the water, colloid, ammonia nitrogen and heavy metals, thereby filter effect is relatively poor; At present, breed water filter on the market adopts drum-type (claiming rotary drum again) to filter and camber sieve filtered version more, and its filter method is: pending breed water from top to down is carried out permeation filtration by filter screen, can realize filter effect preferably.
But also there is following defective in this filter: the water from top to down infiltration that handle when needs (1) is during by filter screen, is filtered dirt that screen cloth holds back easily attached to top, the phenomenon of filter screen mesh occurs stopping up, so that influences filter effect; (2) be easy to blocking problem in order to solve filter screen, existing method is to clean filter screen is counter continually, remove thereby dirt washed away, but this kind way can make energy consumption increase, and causes the increase of processing cost; (3) frequent anti-cleaning of filter screen also caused significantly reducing of filtration number of times simultaneously, reduced filter efficiency.
Summary of the invention
One object of the present invention is to provide a kind of can realize the breed water filtration method of filter effect, raising filter efficiency preferably, and another object of the present invention provides the filter of realizing said method.
Purpose of the present invention realizes by following technical measures: a kind of breed water filtration method, comprise and culture water filtration step, blowdown step and anti-cleaning step, it is characterized in that described breed water filtration step is: breed water to be filtered upwards passes through filter screen to spring up streamflow regime by drive power source from the below of filter screen.
The present invention takes filter type that breed water to be filtered is upwards gushed out from filter screen below, make most of dirts of culturing in the water under the drive that springs up current, clash into filter screen and sedimentation downwards, increased filtration time, can realize filter effect preferably, simultaneously, the dirt that is trapped is difficult for attached on the filter screen, thereby has reduced the number of times of anti-cleaning, and filter efficiency is greatly improved.
As a kind of improvement of the present invention, the water inlet of breed water to be filtered is higher than the delivery port of the clear water after the filtration and the difference in height that exists provides and makes its potential energy that flows for culturing water, and this potential energy is cultured the power source that water carries out whole filter process as driving.In whole filter process, there is not outside power drive, therefore need not power consumption.
Blowdown step of the present invention comprises: culture water after filtering, be filtered dirt that screen cloth holds back deposition and by being located at the barrier below filter screen naturally downwards, discharge through sewage draining exit.
Blowdown step of the present invention further comprises: dirt, is guided to sewage draining exit by dirt discharge groove and discharges in the dirt discharge groove of barrier below by downward natural subsidence behind the barrier.
Anti-cleaning step of the present invention comprises: when the sieve aperture of sieves net is stopped up by dirt and can't realize normal filtration, adopt the clear water after filtering to be ejected into going out on the water surface of filter screen as the water source of rinse water and with it, dirt on the filter screen is washed away to be removed, and the downward natural subsidence of the dirt after the removal is guided to sewage draining exit by dirt discharge groove after by barrier and discharges.
A kind of filter of realizing above-mentioned breed water filtration method, comprise casing and be located at the interior filter screen of casing, the clear water that has on the described casing after being used for the interior water inlet of breed water inflow casing to be filtered and being used to filter flows out the outer delivery port of casing, it is characterized in that described filter screen is obliquely installed towards the water inlet direction, described filter screen is positioned at the top of water inlet, described filter screen lower end is connected with the dividing plate of setting, the two is divided into contraminated zone and clear water zone with space in the casing jointly, described water inlet communicates with the contraminated zone, described delivery port then communicates with clear water zone, cultures water and carries out whole filter process by drive power source.
As a kind of improvement of the present invention, described water inlet offer the position of offering that the position is higher than delivery port, the difference in height between the two provides and makes its potential energy that flows with the power source as the whole filter process of driving for culturing water.
As a further improvement on the present invention, the present invention cultures water filtering device and comprises that also being used for dirt that filter screen is held back discharges the outer blowdown mechanism of casing, described blowdown mechanism comprises barrier and the water conservancy diversion division board that is used for eliminating impurities, described barrier and water conservancy diversion division board all are positioned at the below of described water inlet, described barrier and water conservancy diversion division board horizontally set and the end by separately are connected and become one, connecting portion is to lower recess, the other end of described barrier also is connected with dividing plate, isolates forming the blowdown district in the below in contraminated zone; Also have sewage draining exit on the described casing, described sewage draining exit communicates with the blowdown district.
The whole cross section of barrier of the present invention and water conservancy diversion division board is " V " type, can prevent that the phenomenon that breed water in the contraminated zone causes deposit dirt to be stirred because of current spring up upwards to dig from occurring, the inclined surface of water conservancy diversion division board also plays the effect of guiding to dirt, can make dirt flow to barrier.
Blowdown of the present invention mechanism also comprises and being used for the external dirt discharge groove of dirt water conservancy diversion outlet, the below that described dirt discharge groove is positioned at described barrier is used to collect the dirt by barrier, described dirt discharge groove lateral inclination is provided with, the low port of described dirt discharge groove is connected with sewage draining exit, and high port is connected with described dividing plate.
The cross section of described dirt discharge groove is V-shaped.
As one embodiment of the present invention, the angle of inclination of described filter screen is 0 °＜α≤90 °
As a kind of improvement of the present invention, the top of described filter screen has and is used to prevent cause the too high spout hole that overflows casing of water level because of filter screen stops up.
As a further improvement on the present invention, the present invention cultures water filtering device and also comprises and be used to clean the anti-wiper mechanism of removing dirt on the filter screen, described anti-wiper mechanism comprise with casing in the pump that is communicated with of clear water zone, the nozzle that is connected by pipeline with pump, wherein, described nozzle is located at the top of clear water zone and is positioned at the top of described filter screen, and described nozzle face is to the water surface that goes out of filter screen.Clear water after the present invention filters as rinse water by the pump pressurization by nozzle ejection to the going out on the water surface of sieves net, will wash away attached to the dirt on the filter screen and remove.
The present invention cultures water filtering device and also comprises tank level control system, described tank level control system comprises the controller that is used to monitor the liquid level sensor of contraminated zone liquid level in the casing and is used for control pump, each terminal valve keying, described liquid level sensor is located at the top in contraminated zone in the casing, and described controller is electrically connected with liquid level sensor, pump and each terminal valve respectively; Controller receives the level monitoring signal that liquid level sensor sends, and the keying of control pump, each valve is with beginning or stop anti-cleaning process.
As a kind of improvement of the present invention, the connecting portion of described filter screen and casing, dividing plate is provided with and is used for preventing that breed water to be filtered from flowing into the sealing strip that filters the back clear water.
Compared with prior art, the present invention has following significant effect:
(1) the present invention adopts the filter type that breed water to be filtered is upwards gushed out from the filter screen below, increased filtration time, can realize filter effect preferably, simultaneously, the dirt that is trapped is difficult for attached on the filter screen, thereby reduced the number of times of anti-cleaning, filter efficiency is greatly improved;
(2) the present invention utilizes the potential energy that exists between the water inlet of culturing water and the delivery port as power source, therefore in whole filter process, does not have external impetus to drive, and need not power consumption;
(3) barrier of the present invention and water conservancy diversion division board can prevent that breed water to be filtered from causing deposit dirt to be stirred upwards and digging because of water inlet springs up, and make dirt sedimentation discharge smoothly;
(4) barrier of the present invention, water conservancy diversion division board and dirt discharge groove all are obliquely installed, for smooth blowdown provides advantageous conditions;
(5) spout hole can prevent to cause the too high phenomenon of overflowing casing of water level to occur because of screen pack stops up;
(6) tank level control system of the present invention adopts automation mechanized operation, and according to the height of liquid level in the casing, opening/shutting valve is implemented anti-cleaning operation etc., need not Attended mode, has reduced cost of labor, and anti-scavenging period is shorter, has improved filter efficiency;
(7) of the present invention simple in structure, practical, applicable to industrial circulating water form and grow seedlings, the former water treatment of aquaculture, aquarium circulating water treatment, seafood wholesale market support water treatment systems such as system and scientific experimentation temporarily, applicable situation is very extensive.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a sectional structure schematic diagram of the present invention;
Fig. 2 is a schematic top plan view of the present invention;
Fig. 3 is the schematic side view of tank level control system connecting line of the present invention, does not demonstrate controller among this figure and goes up being connected of valve with pump, rinse water inlet;
Fig. 4 is the schematic top plan view of tank level control system connecting line of the present invention, does not demonstrate being connected of valve on controller and water inlet, delivery port and the sewage draining exit among this figure;
Fig. 5 is the schematic top plan view of barrier of the present invention;
Fig. 6 is the perspective view of dirt discharge groove of the present invention.
Embodiment
A kind of breed water filtration method of the present invention comprises and cultures water filtration step, blowdown step and anti-cleaning step, wherein:
Culturing the water filtration step is: the water inlet 11 of breed water to be filtered is higher than difference in height that the delivery port 12 of the clear water after the filtration exists to be provided and makes its mobile potential energy for culturing water, this potential energy is as driving the power source of culturing the whole filter process of water, and this drive power source breed water to be filtered upwards passes through filter screen 2 to spring up streamflow regime from the below of filter screen 2.
The blowdown step comprises: culture water after filtering, be filtered that dirt that screen cloth 2 holds back deposits naturally downwards and by being located at filter screen 2 belows and having the barrier 6 of mesh 61,, in the dirt discharge groove 9 of barrier 6 belows, be guided to sewage draining exit 13 by dirt discharge groove 9 and discharge by the downward natural subsidence of barrier 6 back dirts.
Anti-cleaning step comprises: when the sieve aperture of sieves net 2 is stopped up by dirt and can't realize normal filtration, adopt the clear water after filtering to be ejected into going out on the water surface 21 of filter screen 2 as the water source of rinse water and with it, dirt on the filter screen 2 is washed away to be removed, and the downward natural subsidence of the dirt after the removal is guided to sewage draining exit 13 by barrier 6 backs by dirt discharge groove 9 and discharges.
Shown in Fig. 1～7, a kind of filter of realizing above-mentioned breed water filtration method, comprise casing 1 and be located at filter screen 2 in the casing 1, have on the two lateral walls of casing 1 be used for breed water to be filtered flow in the casing 1 water inlet 11 be used to filter after clear water flow out the outer delivery port 12 of casing 1, filter screen 2 is obliquely installed towards water inlet 11 directions, filter screen 2 is positioned at the top of water inlet 11, filter screen 2 lower ends are connected with the dividing plate 3 of setting, the tilt angle alpha of filter screen 2 is 45 °, filter screen 2 and dividing plate 3 are divided into contraminated zone 4 and clear water zone 5 with space in the casing 1 jointly, wherein, water inlet 11 communicates with contraminated zone 4, delivery port 12 then communicates with clear water zone 5, water inlet 11 offer the position of offering that the position is higher than delivery port 12, the difference in height between the two provides and makes its potential energy that flows as the power source that drives whole filter process for culturing water.
The present invention cultures water filtering device and comprises that also being used for dirt that filter screen is held back discharges the outer blowdown mechanism of casing 1, blowdown mechanism comprises barrier 6 and the water conservancy diversion division board 7 that is used for eliminating impurities, has mesh 61 (referring to Fig. 5) on the barrier 6, barrier 6 and water conservancy diversion division board 7 all are positioned at the below of water inlet 11, barrier 6 and water conservancy diversion division board 7 horizontally sets and the end by separately are connected and become one, connecting portion is to lower recess, make the barrier 6 and the whole cross section of water conservancy diversion division board 7 be " V " type, the other end of barrier 6 also is connected with dividing plate 3, and 4 below isolates formation blowdown district 8 in the contraminated zone; Also have sewage draining exit 13 on the casing 1, sewage draining exit 13 communicates with blowdown district 8.Barrier 6 and water conservancy diversion division board 7 can prevent that the phenomenon that the breed water in the contraminated zone 4 cause deposit dirt to be stirred because of current spring up upwards to dig from occurring.
Blowdown mechanism also comprises the dirt discharge groove 9 that is used for dirt is discharged casing 1, the below that dirt discharge groove 9 is positioned at barrier 6 is used to collect the dirt by barrier 6, dirt discharge groove 9 lateral inclination settings, the low port of dirt discharge groove 9 is connected with sewage draining exit 13, high port is connected with dividing plate 3, in the present embodiment, the cross section of dirt discharge groove 9 is " V " type (referring to Fig. 6).
Have on the top of filter screen 2 and to be used to prevent cause the too high spout hole 10 that overflows casing 1 of water level because of filter screen 2 stops up; Filter screen 2 is provided with the sealing strip 14 that is used for preventing breed water inflow filtration back clear water to be filtered with the connecting portion of casing 1, dividing plate 3.
The present invention also comprises and is used to clean the anti-wiper mechanism of removing dirt on the filter screen 2, anti-wiper mechanism comprise with casing 1 in the pump 15 that is communicated with of clear water zone 5, the nozzle 16 that is connected by pipeline with pump 15, wherein, nozzle 16 is located at the top of clear water zone 5 and is positioned at the top of filter screen 2, and nozzle 16 goes out the water surface 21 towards filter screen 2.
Also comprise tank level control system, tank level control system comprises the liquid level sensor 17 and the controller 18 that is used for control pump 15, each terminal valve keying that is used to monitor contraminated zone 4 liquid levels in the casing 1, liquid level sensor 17 is located at the top in contraminated zone 4 in the casing 1, controller 18 is electrically connected with liquid level sensor 17, pump 15 and each terminal valve respectively, controller 18 receives the level monitoring signal that liquid level sensor 17 sends, and the keying of control pump 15, each valve is with beginning or stop anti-cleaning process.
Filtration of the present invention and blowdown process are: breed water to be filtered enters contraminated zone in the casing from water inlet, culture water with spring up streamflow regime from the below of filter screen upwards by filter screen, the clear water after the filtration flows out from delivery port after entering clear water zone; Most of dirt in the breed water clashes into filter screen and is trapped under the drive that springs up current, and natural subsidence enters the blowdown district by barrier downwards, then is deposited on downwards in the dirt discharge groove again, discharges outside the casing by the sewage draining exit that is guided to of dirt discharge groove.
Anti-cleaning process is: when the breed water to be filtered in the contraminated zone 4 reaches the high water level of setting, illustrate that filter screen 2 is blocked and can't realize normal filtration, liquid level sensor 17 is to controller 18 transmitting supervisory signals, controller 18 starts pump 15 after receiving this monitor signal, and open the valve of being located on the rinse water inlet 20, valve on the sewage draining exit 13 also is an opening at this moment, valve closing on while water inlet 11 and the delivery port 12, pump 15 is delivered to nozzle 16 with the clear water in the casing 1, by nozzle 16 rinse water is ejected into going out on the water surface 21 of filter screen 2, the downward natural subsidence of dirt of being washed away removal is by barrier 6, and be deposited in the dirt discharge groove 9, discharge outside the casing 1 from sewage draining exit 13 at last, above-mentioned anti-cleaning process is very short, therefore can not influence filter efficiency; The liquid level of the breed water to be filtered in contraminated zone 4 is recovered just often, liquid level sensor 17 is to controller 18 transmitting supervisory signals, controller 18 control pumps 15 quit work, close the valve on the rinse water inlet 20 simultaneously, and open valve on water inlet 11 and the delivery port 12, this moment, anti-cleaning process finished.
In other embodiments, the tilt angle alpha of filter screen can also be selected the unspecified angle in other 0 °＜α≤90 ° scope except selecting 45 °.
Embodiments of the present invention are not limited thereto; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; anti-wiper mechanism of the present invention, tank level control system and blowdown mechanism etc. can also make modification, replacement or the change of other various ways, all drop within the rights protection scope of the present invention.
Claims (10)
1, a kind of breed water filtration method, comprise and culture water filtration step, blowdown step and anti-cleaning step, it is characterized in that described breed water filtration step is: breed water to be filtered upwards passes through filter screen to spring up streamflow regime by drive power source from the below of filter screen.
2, breed water filtration method according to claim 1, it is characterized in that: the water inlet of breed water to be filtered is higher than the delivery port of the clear water after the filtration and the difference in height that exists provides and makes its potential energy that flows for culturing water, and this potential energy is cultured the power source that water carries out whole filter process as driving.
3, breed water filtration method according to claim 1 is characterized in that: described blowdown step comprises: culture water after filtering, be filtered dirt that screen cloth holds back deposition and by being located at the barrier below filter screen naturally downwards, discharge through sewage draining exit.
4, breed water filtration method according to claim 3 is characterized in that: dirt, is guided to sewage draining exit by dirt discharge groove and discharges in the dirt discharge groove of barrier below by downward natural subsidence behind the barrier.
5, breed water filtration method according to claim 1, it is characterized in that: described anti-cleaning step comprises: when the sieve aperture of sieves net is stopped up by dirt and can't realize normal filtration, adopt the clear water after filtering to be ejected into going out on the water surface of filter screen as the water source of rinse water and with it, dirt on the filter screen is washed away to be removed, and the downward natural subsidence of the dirt after the removal is guided to sewage draining exit by dirt discharge groove after by barrier and discharges.
6, a kind of filter of realizing the described breed water filtration method of claim 1, comprise casing and be located at the interior filter screen of casing, the clear water that has on the described casing after being used for the interior water inlet of breed water inflow casing to be filtered and being used to filter flows out the outer delivery port of casing, it is characterized in that: described filter screen is obliquely installed towards the water inlet direction, described filter screen is positioned at the top of water inlet, described filter screen lower end is connected with the dividing plate of setting, the two is divided into contraminated zone and clear water zone with space in the casing jointly, described water inlet communicates with the contraminated zone, described delivery port then communicates with clear water zone, cultures water and carries out whole filter process by drive power source.
7, filter according to claim 6 is characterized in that: described water inlet offer the position of offering that the position is higher than delivery port, the difference in height between the two provides and makes its potential energy that flows with the power source as the whole filter process of driving for culturing water.
8, filter according to claim 7, it is characterized in that: described breed water filtering device also comprises the blowdown mechanism outside the dirt discharge casing that is used for filter screen is held back, described blowdown mechanism comprises barrier and the water conservancy diversion division board that is used for eliminating impurities, described barrier and water conservancy diversion division board all are positioned at the below of described water inlet, described barrier and water conservancy diversion division board horizontally set and the end by separately are connected and become one, connecting portion is to lower recess, the other end of described barrier also is connected with dividing plate, isolates forming the blowdown district in the below in contraminated zone; Also have sewage draining exit on the described casing, described sewage draining exit communicates with the blowdown district.
9, filter according to claim 8, it is characterized in that: described breed water filtering device also comprises and is used to clean the anti-wiper mechanism of removing dirt on the filter screen, described anti-wiper mechanism comprise with casing in the pump that is communicated with of clear water zone, the nozzle that is connected by pipeline with pump, wherein, described nozzle is located at the top of clear water zone and is positioned at the top of described filter screen, and described nozzle face is to the water surface that goes out of filter screen.
10, filter according to claim 9, it is characterized in that: described breed water filtering device also comprises tank level control system, described tank level control system comprises the controller that is used to monitor the liquid level sensor of contraminated zone liquid level in the casing and is used for control pump, each terminal valve keying, described liquid level sensor is located at the top in contraminated zone in the casing, and described controller is electrically connected with liquid level sensor, pump and each terminal valve respectively; Controller receives the level monitoring signal that liquid level sensor sends, and the keying of control pump, each valve is with beginning or stop anti-cleaning process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100422144A CN101637144B (en) | 2009-08-28 | 2009-08-28 | Cultivation water filtration method and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100422144A CN101637144B (en) | 2009-08-28 | 2009-08-28 | Cultivation water filtration method and device thereof |
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| CN101637144A true CN101637144A (en) | 2010-02-03 |
| CN101637144B CN101637144B (en) | 2011-12-21 |
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| CN2009100422144A Expired - Fee Related CN101637144B (en) | 2009-08-28 | 2009-08-28 | Cultivation water filtration method and device thereof |
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Cited By (14)
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| CN103010411A (en) * | 2012-12-14 | 2013-04-03 | 浙江海洋学院 | Large-scale storing and transporting ship for live aquatic products |
| CN103134169A (en) * | 2012-11-15 | 2013-06-05 | 柳州市京阳节能科技研发有限公司 | Fish stocking cabinet with water automatically added, sewage automatically discharged and oxygen automatically filled |
| CN103691671A (en) * | 2013-12-17 | 2014-04-02 | 大连海洋大学 | Automatic cleaning device of arc sieve |
| CN104026064A (en) * | 2014-06-03 | 2014-09-10 | 杨鹏翔 | Fish tank water pollution fine filter and multi-stage filtering system with same |
| CN104026063A (en) * | 2014-05-22 | 2014-09-10 | 杨鹏翔 | Automatic water and dirt separator for fish tank |
| CN105393975A (en) * | 2015-12-14 | 2016-03-16 | 中国水产科学研究院黄海水产研究所 | Simple circulating water prawn culture pond water processing system |
| CN105706988A (en) * | 2015-12-10 | 2016-06-29 | 柳州市京阳节能科技研发有限公司 | Automatic fish stocking cabinet |
| CN106305584A (en) * | 2016-10-21 | 2017-01-11 | 江苏禾富农业科技发展有限公司 | Sludge discharge system for lobster culture pond |
| CN108402489A (en) * | 2018-04-18 | 2018-08-17 | 德清秋水果汁有限公司 | A kind of resource-conserving fruit washing apparatus |
| CN108905351A (en) * | 2018-08-17 | 2018-11-30 | 王豪 | A kind of drum filter and its water process circulatory system |
| CN113144694A (en) * | 2021-03-05 | 2021-07-23 | 北京中通建科节能环保技术研究院有限公司 | Closed self-cleaning sewage pretreatment grid machine |
| CN113349120A (en) * | 2021-05-11 | 2021-09-07 | 中国水产科学研究院南海水产研究所 | Method for ecologically and intensively culturing prawns by circulating water and culture system thereof |
| CN114903004A (en) * | 2022-05-11 | 2022-08-16 | 刘海荣 | Filtering system and method for aquaculture |
| CN115054979A (en) * | 2022-06-07 | 2022-09-16 | 北京新城禹潞环保科技有限责任公司 | Hydraulic screen grid slag remover |
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| CN103134169A (en) * | 2012-11-15 | 2013-06-05 | 柳州市京阳节能科技研发有限公司 | Fish stocking cabinet with water automatically added, sewage automatically discharged and oxygen automatically filled |
| CN103010411B (en) * | 2012-12-14 | 2015-11-18 | 浙江海洋学院 | Large-scale aquatic products are lived and are stored up carrier |
| CN103010411A (en) * | 2012-12-14 | 2013-04-03 | 浙江海洋学院 | Large-scale storing and transporting ship for live aquatic products |
| CN103691671A (en) * | 2013-12-17 | 2014-04-02 | 大连海洋大学 | Automatic cleaning device of arc sieve |
| CN104026063B (en) * | 2014-05-22 | 2016-04-27 | 杨鹏翔 | Fish jar automatic water pollution discharge separator |
| CN104026063A (en) * | 2014-05-22 | 2014-09-10 | 杨鹏翔 | Automatic water and dirt separator for fish tank |
| CN104026064A (en) * | 2014-06-03 | 2014-09-10 | 杨鹏翔 | Fish tank water pollution fine filter and multi-stage filtering system with same |
| CN105706988A (en) * | 2015-12-10 | 2016-06-29 | 柳州市京阳节能科技研发有限公司 | Automatic fish stocking cabinet |
| CN105393975A (en) * | 2015-12-14 | 2016-03-16 | 中国水产科学研究院黄海水产研究所 | Simple circulating water prawn culture pond water processing system |
| CN105393975B (en) * | 2015-12-14 | 2018-12-21 | 中国水产科学研究院黄海水产研究所 | A kind of simple recirculated water shrimp culture pond water treatment system |
| CN106305584A (en) * | 2016-10-21 | 2017-01-11 | 江苏禾富农业科技发展有限公司 | Sludge discharge system for lobster culture pond |
| CN108402489A (en) * | 2018-04-18 | 2018-08-17 | 德清秋水果汁有限公司 | A kind of resource-conserving fruit washing apparatus |
| CN108905351A (en) * | 2018-08-17 | 2018-11-30 | 王豪 | A kind of drum filter and its water process circulatory system |
| CN113144694A (en) * | 2021-03-05 | 2021-07-23 | 北京中通建科节能环保技术研究院有限公司 | Closed self-cleaning sewage pretreatment grid machine |
| CN113349120A (en) * | 2021-05-11 | 2021-09-07 | 中国水产科学研究院南海水产研究所 | Method for ecologically and intensively culturing prawns by circulating water and culture system thereof |
| CN114903004A (en) * | 2022-05-11 | 2022-08-16 | 刘海荣 | Filtering system and method for aquaculture |
| CN114903004B (en) * | 2022-05-11 | 2023-09-08 | 刘海荣 | Filtering system and method for aquaculture |
| CN115054979A (en) * | 2022-06-07 | 2022-09-16 | 北京新城禹潞环保科技有限责任公司 | Hydraulic screen grid slag remover |
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