CN201097561Y - Filtering facilities for fishing - Google Patents
Filtering facilities for fishing Download PDFInfo
- Publication number
- CN201097561Y CN201097561Y CNU2007200327771U CN200720032777U CN201097561Y CN 201097561 Y CN201097561 Y CN 201097561Y CN U2007200327771 U CNU2007200327771 U CN U2007200327771U CN 200720032777 U CN200720032777 U CN 200720032777U CN 201097561 Y CN201097561 Y CN 201097561Y
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- filtration
- filtering ponds
- unit
- filter screen
- basin
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- Expired - Fee Related
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Abstract
The utility model discloses a fishing filtration device which consists of a reservoir, a coarse filtration basin, a filtration basin, a collecting basin and a valve basin in turn, wherein the filtration basin comprises a plurality of filtration basin units which are in the forms of reserved funnels and have upper openings, a normally closed blow-down port is arranged on the bottom of each filtration basin unit, and cover plate valves for sealing are arranged on the blow-down ports; shallow U-shaped communicating pipes are arranged between each filtration basin unit and the coarse filtration basin, the water outlets of the coarse filtration basin are arranged on the right center of each filtration basin unit and have vertically upward openings, and the cover plate valves are arranged on the end parts of the water inlets; L-shaped communicating pipes are arranged between each filtration basin unit and the collecting basin, the water outlets of the collecting basin are vertically upward and have the cover plates arranged on the end parts of the water outlets. The filtration device can greatly reduce the dirt blockage due to adherence to the sieve, increase unit filtration area, improve filtration efficiency, and prolong the service life of the filter sieve with little investment, high efficiency, high practicability, high integral efficiency and capability of persistent stable water supply.
Description
Technical field
The utility model relates to technical field of sewage, especially relates to a kind of fishing filtration facility that is applicable in the fishery cultivating production.
Background technology
In new technological industries such as industrialized fish culture, directly eliminating impurities is the most economical effective measures of closed cycle water system.In fishery cycling use of water filtration system, pressing the object (pollutant) that is separated can be divided into: three kinds of liquid-liquid phase, liquid-solid phase, liquid-gas phase.Because the solid pollutant proportion is big, be again important source liquid, gaseous contaminant, so the separate solid pollutant is the first-selected measure of purification of water quality rapidly.In the liquid-solid phase separation facilities, the most frequently used is the mechanical type filter, mainly utilizes the different characteristics of constituent particle size in the solution, by forcing fluid to pass a kind of porous media the suspension in the fluid is separated, thereby reaches the filtration purpose.Filtration is a kind of physical method, when fluid passes medium, suspended particle be trapped within dielectric surface and or in medium.The pressure that forces fluid to pass medium can have gravity, normal pressure or vacuum to produce.And filter medium can be a kind of granular former obstruction layer, as sand, coking coal or porous ceramics, or a kind of thin obstructions layer, as filter cloth or aperture plate, or by a kind of through disposing former obstruction that material forms layer, as konilite etc.
Because fishery sewage adopts gravity and simple filtration medium more practical.The advantage that adopts filter cloth to filter is that water amount is bigger, and easy cleaning, shortcoming are that intensity is relatively poor, easily stops up and damages.
In the fishery cultivating technical field, adopting maximum liquid-solid phase separation facilities is the vertical type filtration facility at present.Its filter screen adopts upright structures (filtering net surface and the earth are 90 ° of angles), very easily occurs dirt " subsides net " phenomenon in the practical application, and drainage efficient is relatively poor.Mesh is stopped up gradually during filtration, when drainage amount during less than water consumption, can form tangible water-head in the etting both sides, increases etting and is subjected to force intensity, and the filter screen damage accident very easily takes place, and the brush net to clean labour intensity big.Facts have proved: the vertical type filtration facility, though net height can reach more than 2 meters, the big part of real drainage amount is the etting at nearly water surface place when moving.Though the area of filter screen own is big, real effectively filter area is less, so that the force-bearing situation of etting is relatively poor, fragile.In addition, all bigger because the area of filter screen own is big, and when changing and cleaning, must stop all filtration work to its work difficulty of changing and cleaning, can not be continuously, the stable running, thereby inefficiency, comprehensive benefit are low.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of fishing filtration facility is provided, filter screen in this filtration facility is obliquely installed, the filtering ponds unit dwindles and quantity increases, in the practice investment little, efficient is high, be convenient to production management and also practical, comprehensive benefit is high.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of fishing filtration facility, form by cistern 1, coarse filtration pond 2, filtering ponds 3, collecting basin 4 and valve pond 5 successively, wherein be provided with being down of a plurality of upper openings funnelform filtering ponds unit 6 in the filtering ponds 3, be provided with normally closed sewage draining exit 17 in each 6 bottom, filtering ponds unit, and be positioned at the sewage draining exit cover plate valve 18 that sewage draining exit 17 tops are used to seal; Between each filtering ponds unit 6 and coarse filtration pond 2, be provided with shallow " U " shape communicating pipe 7, it passes through the body of wall bottom level setting between two ponds, and the delivery port 11 of shallow " U " shape communicating pipe 7 is positioned at each filtering ponds unit 6 centre and opening straight up, and water inlet 8 ends are provided with cover plate valve 12; Be provided with " L " shape communicating pipe 9 between each filtering ponds unit 6 and collecting basin 4, it passes through the body of wall bottom level setting between two ponds, delivery port 10 openings of " L " shape communicating pipe straight up and delivery port 10 ends be provided with cover plate valve 12.
As a kind of preferred version of the present utility model, segmentation is provided with vertical type coarse filtration aperture plate 13 in the body of wall between described cistern 1 and the coarse filtration pond 2, and its quantity is filtering ponds unit 6 total quantitys half, and per two filter element 6 correspondences are provided with a coarse filtration aperture plate 13.
As another kind of preferred version of the present utility model, all be connected with band nut screw 16 on the described cover plate valve 12.
As another preferred version of the present utility model, described filtering ponds 3 comprise that 6 are down funnelform filtering ponds unit 6, and its bottom is that a length of side is the little Fang Chi of 1.8-2.5m.
Described being down in the funnelform filtering ponds unit 6, the bottom that is used to the filter screen bracket of falling the funnel-form 15 that supports is that a length of side is the square openings 23 of 1.9-2.4m, and the top is the square reinforcing bar opening 25 of the 0.4-0.6m that connected to form by φ 10-φ 14mm reinforcing bar; And between four corresponding summits of bottom square openings 23 and top square reinforcing bar opening 25, four limit mid points, be connected and fixed with the reinforced bar support frame 26 of 8 φ 10-φ 14mm.
As the further preferred version of the utility model, in the described filter screen bracket of falling the funnel-form 15, the square steel bar framework made from angle steel 27 is fastened on reinforced bar support frame 26 bottom sides of filtering ponds unit 6 along last, the position of reinforced bar support frame 26 at first is installed at needs, earlier with bolt 20 with the horizontal sides of square steel bar framework 27 add fasten filtering ponds unit 6 bottom sides along last, and the corresponding bolt that is provided with correspondence boxes out 24 on this horizontal sides, welds fixedly reinforced bar support frame 26 on the vertical edge top of square steel bar framework 27 again.
As the utility model preferred version further, the filtering net surface of the filter screen of falling the funnel-form 14 that the described filter screen bracket of falling the funnel-form 15 is supported and the angle between the horizontal plane are between 45-60 °.
As another preferred version of the present utility model, the etting size of the described filter screen of falling the funnel-form 14 is pushed down funnel-form filter screen bracket 15 sizes and is made, the etting junction reinforces with cloth, the pad limit of band screw is all made in edge, etting lower end with cloth, its width is greater than the angle steel width of the filter screen bracket of falling the funnel-form 15, and pad limit screw spacing is corresponding with the filter screen bracket of falling the funnel-form 15.
To sum up, adopt a kind of fishing filtration facility of the utility model, have the following advantages: 1, filtering net surface is down funnel-form and is obliquely installed and intakes vertically to go up to spray and have flushing action, can alleviate " subsides net " obstruction of dirt, improve filter efficiency, reduce labour intensity, prolong filter screen service life; 2, the filter screen of falling the funnel-form has increased the unit filter area, as for a 2.0 * 2.0m
2Filtering ponds, when highly being 1.2 meters, these filtering ponds filter screen discharge area is about 2.9 times of vertical type filter tank.The screen holder height is designed to 1.2 meters in this facility, even press water surface place filter screen length gauge, design water level is 10 centimeters under the peristoma on the filtering ponds, still is higher than vertical type filter screen (long 2 meters of filter tank net) through calculating water surface place filter screen minimum length.3, drop into little, efficient is high, comprehensive benefit good, can supply water continually and steadily, this filtration facility has been drawn the good advantage of bottom water inlet type filter tank anti-blocking performance, improved the etting force-bearing situation, improved the facility life-span, the filtering ponds volume alleviates work difficulty, quantity for a short time and can clean respectively at most, keep in repair in addition, ensure continuously, stablize running, can clean the etting bottom easily from rack is suitable for reading simultaneously, operational management is very convenient.4, this facility is when removing macrozooplankton, suspensions such as residual bait and ight soil microparticle also there is filtration preferably, be particularly useful for recycling and the water treatment of closed intensive culture engineering of water shortage in north china local fishery water, in the intensification fish production, can be used as the preceding concentration facility of precipitation.Though 5, this facilities design results from the chinese carp artificial propagation production of northern China water-deficient area, it has realized the recycling of water resource effectively, suspended substance removal in the sewage is had widespread usage be worth.This fishing is wider with the filtration facility applicable surface, if filter screen etc. adopt resistant material, its structure can promote the use of other filtration art.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model preferred implementation.
Fig. 2 is along the sectional structure schematic diagram of A-A line among Fig. 1.
Fig. 3 is the structural representation of the filtering ponds part of the utility model preferred implementation.
Fig. 4 is the structural representation of the filtering frame part of the utility model preferred implementation.
Fig. 5 be among Fig. 4 filtering frame bottom reinforcement bars standing part along the sectional structure schematic diagram of B-B line.
Description of reference numerals:
The 1-cistern; 2-coarse filtration pond; The 3-filtering ponds;
The 4-collecting basin; 5-valve pond; 6-filtering ponds unit;
7-shallow " U " shape communicating pipe; Advancing 9-" L " shape communicating pipe of 8-shallow " U " shape communicating pipe;
The mouth of a river;
The 12-cover plate valve of the 11-of 10-" L " shape communicating pipe shallow " U " shape communicating pipe;
Delivery port; Delivery port;
13-coarse filtration aperture plate; The 14-filter screen of falling the funnel-form; The 15-filter screen of falling the funnel-form props up
Frame;
16-is with nut screw; The 17-sewage draining exit; 18-sewage draining exit cover plate valve;
The 19-blow-off line; The 20-bolt; The 21-transmission pipeline;
The 22-valve; The 23-square openings; The 24-bolt is boxed out;
25-square reinforcing bar is opened 26-reinforced bar support frame; 27-square steel bar framework;
Mouthful;
Embodiment
As shown in Figure 1, described fishing filtration facility is made up of cistern 1, coarse filtration pond 2, filtering ponds 3, collecting basin 4 and valve pond 5 successively.Sewage by entering in the filtering ponds 3 shallow " U " shape communicating pipe 7, after pool unit 6 filters after filtration, flows in the collecting basin 4 after coarse filtration aperture plate 13 filters, and uses for each water use sector by valve pond 5 more at last.
Be provided with vertical type coarse filtration aperture plate 13 in the body of wall between cistern 1 and coarse filtration pond 2, and its quantity be filtering ponds unit 6 total quantitys half, per two filtering ponds unit 6 correspondences are provided with a coarse filtration aperture plate 13, and be positioned in the middle of two filtering ponds unit 6 directly over locate.This coarse filtration aperture plate 13 can be made of the common iron wire net, and main filtration resistance large-sized solid foreign material enter filtering ponds, and as branch, weeds and cultivated animals etc., the mesh specification can be selected for use according to actual needs.
In conjunction with Fig. 1, Fig. 2, between each filtering ponds unit 6 and coarse filtration pond 2, be provided with shallow " U " shape communicating pipe 7, pass through the body of wall bottom level setting between two ponds.And shallow " U " shape communicating pipe delivery port 11 is positioned at each filtering ponds unit 6 centre and opening straight up, and this water outlet end erect section pipe range should be more than 100 millimeters.In practice, shallow in order to guarantee " U " shape communicating pipe 7 is fixing firm, and its below, delivery port 11 ends of being everlasting is provided with one and supports body of wall.Current 6 middle parts, filtering ponds unit vertically on spray, at periphery dirty naturally (flow shape such as fountain shape in the pond), following flowing water can constantly wash filter screen then, has alleviated dirt " subsides net " situation.In addition, establish cover plate valve 12 in shallow " U " shape communicating pipe water inlet 8 ends, cover sealed rubber plate on it, effect is to prevent that sewage from entering when cleaning and filtering pond 3, and cover plate valve 12 cuts out by 16 controls of band nut screw, and this cover plate valve 12 is a normally open.
Sewage is after coarse filtration aperture plate 13 filters, by shallow " U " shape communicating pipe 7 entering filtering ponds 3.And including being down of 6 upper openings funnelform filtering ponds unit 6 in the filtering ponds 3, the spacing between per two filtering ponds unit 6 is 0.5m.Each filtering ponds unit 6 is 2.0 * 2.0m
2Little Fang Chi, in establish the filter screen of falling the funnel-form 14, and the common angle steel of the filter screen bracket of falling the funnel-form 15 usefulness, reinforcing bar weldering system forms, in the frame coated with nylon mesh silk (can select mesh as required).In the structural representation of filtering ponds part shown in Figure 3, adding fixing bolt with 20 screen packs around each filtering ponds unit 6 bottom body of wall is that φ 10mm bolt 20 adds and fastens filter screen of falling the funnel-form 14 and funnel-form filter screen bracket 15, and the steel pipe of shallow " U " the shape communicating pipe 7 employing φ 150-200mm of inside.This Unit six filtration facility can satisfy produces 100000000 tails man fry breeding hatching required water per year.In the practical application, can be according to water consumption size design filter element quantity.
Between each filtering ponds unit 6 and collecting basin 4, be provided with " L " shape communicating pipe 9, in the body of wall bottom level setting of passing through between two ponds, " L " shape communicating pipe, delivery port 10 was arranged in the body of wall of collecting basin 4 inside, opening straight up and this delivery port end establish cover plate valve 12.The water of each filtering ponds unit 6 filtration is through import in the collecting basin 4 " L " shape communicating pipe, and its " L " shape communicating pipe 9 can be selected plastic tube for use.In conjunction with Fig. 3, with the water of each 6 bottom, filtering ponds unit near the three sides warp filter screen of falling the funnel-form, 14 filtrations of collecting basin 4, mould pipe through φ 150-200mm and all be pooled to " L " shape communicating pipe 9, thereby all filtered water are all passed through in " L " shape communicating pipes 9 inflow collecting basin 4.In addition, the inlet end of " L " shape communicating pipe 9 is located on the filtering ponds pool wall (filter screen is outer), and water outlet end is positioned at collecting basin, on establish cover plate valve 12.The effect of cover plate valve 12 is the aqueous refluxs that prevent when the cleaning and filtering pond in the collecting basin 4, covers sealed rubber plate on the cover plate valve 12, and cover plate valve 12 cuts out by band nut screw 16 controls that are connected setting with it, and this cover plate valve 12 also is a normally open.6 bottoms, filtering ponds unit are provided with sewage draining exit 17, seal with the sewage draining exit cover plate valve 18 that covers caulking gum on it, and this sewage draining exit cover plate valve 18 usefulness ropes or iron wire hand-guided, this sewage draining exit cover plate valve 18 is a normally off.
Side at collecting basin 4 is provided with the hot water pipeline 14 that meets the thermal water source, in order to regulate the water temperature in the collecting basin 4.And on the outside pool wall of the collecting basin 4 adjacent, some outlet conduits 21 are set with valve pond 5, and be used for collecting basin 4 transmitted and enter valve pond 5 and use for each water use sector, simultaneously valve 22 is set in valve pond 5 and uses water management.
In sectional structure chart shown in Figure 2, in filtering ponds 3, shallow " U " shape communicating pipe 7 and " L " shape communicating pipe 9 all are fixed in the body of wall of filtering ponds 3 inwalls, and in water inlet 11 ends of " U " shape communicating pipe, delivery port 10 ends of " L " shape communicating pipe and two cover plate valves 12 be connected with the band nut screw 16 of φ 30mm, control two cover plate valves of often opening 12 and enter closed condition.In the body of wall between collecting basin 4 and valve pond 5, pass through the body of wall bottom level some transmission pipelines 21 are set, the water in the collecting basin 4 is sent to valve pond 5 through transmission pipeline 21 uses for each water use sector.
As shown in Figure 4, in each filtering ponds unit 6, the filter screen of falling the funnel-form 14 all is by the filter screen bracket of falling the funnel-form 15 support fixation.With 2.0 * 2.0m
2 Filtering ponds unit 6 be example, the filter screen bracket of falling the funnel-form 15 height are 1.2m, the bottom is 1.94 * 1.94m
2Square openings 23, the 0.4 * 0.4m of top for being welded by φ 10mm reinforcing bar
2Square reinforcing bar opening 25, bottom square openings 23 usefulness L40 * 5 angle steel weldering system forms, between corresponding four summits of bottom square openings 23 and top square reinforcing bar opening 25, four limit mid points, be connected and fixed with 8 φ 10mm reinforced bar support framves 26, and make the filtering net surface of the filter screen of falling the funnel-form 14 supported and the angle between the horizontal plane between 45-60 °.Among Fig. 5, the position that needs to install φ 10mm reinforced bar support frame 26 on the filtering ponds edge will be fixed on the bottom sides of filtering ponds unit 6 along last with φ 10mm bolt 20 with the base of the filter screen bracket 15 that L40 * 5 angle steel are made.The corresponding φ 14mm bolt that is provided with correspondence boxes out 24 on the horizontal sides of this square steel bar framework 27 (base of filter screen bracket 15), on the pad behind the sponge, with φ 10mm bolt 20 horizontal sides of square steel bar framework 27 is fixed, this fixed form can play good sealing function, welds fixedly reinforced bar support frame 26 on the vertical edge top of square steel bar framework 27 again.
And when installing and using the filter screen of falling the funnel-form 14, edge, etting lower end all be sewed with weave cotton cloth and its width greater than the bottom sides edge of filtering ponds unit 6, the bottom sides that edge, etting lower end is clipped in the internal marginal zone bolt is along between table top and the filter screen bracket of falling the funnel-form 15, fill up simultaneously with sponge, fixing with φ 10mm bolt 20.Etting convenient fixing so not only, and can guarantee that whole etting etting is stressed more even.The upper end of etting gets final product on the epimere reinforcing bar of the filter screen bracket of falling the funnel-form 15 with the rope simple fixation.
Described fishing is filtered in the sewage process normal with filtration facility, water inlet 8 ends of shallow " U " shape communicating pipe 7 all are in normally open with the cover plate valve 12 of delivery port 10 ends of " L " shape communicating pipe 9, sewage is after coarse filtration aperture plate 13 filters, by entering in the filtering ponds 3 shallow " U " shape communicating pipe 7, after pool unit 6 filters after filtration, flow in the collecting basin 4 by " L " shape communicating pipe 9 again, offer each water use sector by valve pond 5 more at last and use.
And when the filter screen of falling the funnel-form 14 that need to clean certain filtering ponds unit 6, then need to close above-mentioned two cover plate valves 12, and the sewage draining exit cover plate valve 18 of unlatching 6 bottoms, filtering ponds unit, can clean or change etting to this filtering ponds unit 6 like this, and not influence the operate as normal of other filter elements.Can realize cleaning one by one the filter screen of falling the funnel-form 14, filtering ponds unit 6 like this or change the filter screen of falling the funnel-form 14 one by one.And when to etting carry out daily cleaning the time, available long-handle brush stretches into from the square reinforcing bar opening 25 of the filter screen bracket of falling the funnel-form 15 and cleans the etting bottom, and is convenient and easy.This shows that this filtration facility is made of a plurality of filtering ponds unit 6, can clean respectively, keep in repair, ensure continuously, stablize running.This filtration facility utilizes the gravity (water-head) of water to filter, and valve all adopts simple cover plate valve under water.Have that filter efficiency height, operating cost are low, simple and durable, convenient characteristics of easily repairing.This filtration facility can be used for conventional production, and the water after the filtration can directly use (as the hatching fry); Also can be used in the industrialized fish culture, as solid dirt filtration facility in the sewage, strong sewage enters the precipitation process path, clean and dirt water enters next step purified treatment path.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (8)
1. fishing filtration facility, form by cistern (1), coarse filtration pond (2), filtering ponds (3), collecting basin (4) and valve pond (5) successively, it is characterized in that: be provided with being down of a plurality of upper openings funnelform filtering ponds unit (6) in the described filtering ponds (3), be provided with normally closed sewage draining exit (17) in each bottom, filtering ponds unit (6), and be positioned at the sewage draining exit cover plate valve (18) that sewage draining exit (17) top is used to seal; Between each filtering ponds unit (6) and coarse filtration pond (2), be provided with shallow " U " shape communicating pipe (7), it passes through the body of wall bottom level setting between two ponds, and the delivery port (11) of shallow " U " shape communicating pipe is positioned at each filtering ponds unit (6) centre and opening straight up, and its water inlet (8) end is provided with cover plate valve (12); Between each filtering ponds unit (6) and collecting basin (4), be provided with " L " shape communicating pipe (9), it passes through the body of wall bottom level setting between two ponds, water outlet (10) opening of " L " shape communicating pipe straight up and this delivery port (10) end be provided with cover plate valve (12).
2. according to the described a kind of fishing filtration facility of claim 1, it is characterized in that: segmentation is provided with vertical type coarse filtration aperture plate (13) in the body of wall between described cistern (1) and coarse filtration pond (2), and its quantity is filtering ponds unit (6) total quantity half, and per two filter elements (6) correspondence is provided with a coarse filtration aperture plate (13).
3. according to claim 1 or 2 described a kind of fishing filtration facilities, it is characterized in that: all be connected with band nut screw (16) on the described cover plate valve (12).
4. according to claim 1 or 2 described a kind of fishing filtration facilities, it is characterized in that: described filtering ponds (3) comprise that 6 are down funnelform filtering ponds unit (6), and its bottom is that a length of side is the little Fang Chi of 1.8-2.5m.
5. according to the described a kind of fishing filtration facility of claim 4, it is characterized in that: described being down in the funnelform filtering ponds unit (6), the bottom that is used to the filter screen bracket of falling the funnel-form (15) that supports is that a length of side is the square openings (23) of 1.9-2.4m, and the top is the square reinforcing bar opening (25) of the 0.4-0.6m that connected to form by φ 10-φ 14mm reinforcing bar; And between four corresponding summits of bottom square openings (23) and top square reinforcing bar opening (25), four limit mid points, be connected and fixed with the reinforced bar support frame (26) of 8 φ 10-φ 14mm.
6. according to the described a kind of fishing filtration facility of claim 5, it is characterized in that: in the described filter screen bracket of falling the funnel-form (15), the square steel bar framework made from angle steel (27) is fastened on the bottom sides of filtering ponds unit (6) along last with reinforced bar support frame (26), the position of reinforced bar support frame (26) at first is installed at needs, earlier the horizontal sides of square steel bar framework (27) is stepped up to be fixed on the bottom sides of filtering ponds unit (6) along last with bolt (20), and the corresponding bolt that is provided with correspondence is boxed out (24) on this horizontal sides, welds fixedly reinforced bar support frame (26) on the vertical edge top of square steel bar framework (27) again.
7. according to the described a kind of fishing filtration facility of claim 6, it is characterized in that: the filtering net surface of the filter screen of falling the funnel-form (14) that the described filter screen bracket of falling the funnel-form (15) is supported and the angle between the horizontal plane are between 45-60 °.
8. according to the described a kind of fishing filtration facility of claim 7, it is characterized in that: the etting size of the described filter screen of falling the funnel-form (14) is pushed down funnel-form filter screen bracket (15) size and is made, the etting junction reinforces with cloth, the pad limit of band screw is all made in edge, etting lower end with cloth, its width is greater than the angle steel width of the filter screen bracket of falling the funnel-form (15), and pad limit screw spacing is corresponding with the filter screen bracket of falling the funnel-form (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200327771U CN201097561Y (en) | 2007-09-17 | 2007-09-17 | Filtering facilities for fishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200327771U CN201097561Y (en) | 2007-09-17 | 2007-09-17 | Filtering facilities for fishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097561Y true CN201097561Y (en) | 2008-08-13 |
Family
ID=39934076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200327771U Expired - Fee Related CN201097561Y (en) | 2007-09-17 | 2007-09-17 | Filtering facilities for fishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097561Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102802407A (en) * | 2009-06-17 | 2012-11-28 | 奥特兰泰克工程合伙公司 | Triple drain apparatus for an aquaculture recirculation system |
| CN103518664A (en) * | 2013-10-18 | 2014-01-22 | 丹阳市现代生态水产养殖场 | Aquaculture system |
| CN105230552A (en) * | 2015-10-16 | 2016-01-13 | 安徽农业大学 | Filtration system used for fish reproduction water |
| CN106390566A (en) * | 2016-11-24 | 2017-02-15 | 浙江泽林瑞沃环境科技有限公司 | Multiphase microfiltration equipment for river channels |
-
2007
- 2007-09-17 CN CNU2007200327771U patent/CN201097561Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102802407A (en) * | 2009-06-17 | 2012-11-28 | 奥特兰泰克工程合伙公司 | Triple drain apparatus for an aquaculture recirculation system |
| CN103518664A (en) * | 2013-10-18 | 2014-01-22 | 丹阳市现代生态水产养殖场 | Aquaculture system |
| CN105230552A (en) * | 2015-10-16 | 2016-01-13 | 安徽农业大学 | Filtration system used for fish reproduction water |
| CN106390566A (en) * | 2016-11-24 | 2017-02-15 | 浙江泽林瑞沃环境科技有限公司 | Multiphase microfiltration equipment for river channels |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20100917 |