CN204292013U - Fish pond culvert system - Google Patents
Fish pond culvert system Download PDFInfo
- Publication number
- CN204292013U CN204292013U CN201420691651.5U CN201420691651U CN204292013U CN 204292013 U CN204292013 U CN 204292013U CN 201420691651 U CN201420691651 U CN 201420691651U CN 204292013 U CN204292013 U CN 204292013U
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- fish pond
- water
- fish
- cement components
- culvert system
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Abstract
The utility model provides a kind of fish pond culvert system, belong to technical field of aquaculture, comprise water feed apparatus, drainage arrangement and be arranged at the drain ditch of side, fish pond, described water feed apparatus comprises water inlet pipe, the arrival end of described water inlet pipe is positioned at outside irrigation canals and ditches and is provided with waterproof cover, the port of export is communicated with fish pond by multiple filter bores, and described drainage arrangement is arranged at fish pond lower sidewall and is communicated with described drain ditch.This fish pond culvert system, for existing culvert system, has set up the filter bores for filtering external water source.Filter bores can prevent outside aquatile from entering this fish pond thus extruding the living space of the fish in this fish pond effectively, avoids the output value in fish pond greatly to reduce, and when can also prevent the fish in this fish pond from changing water, adverse current is escaped simultaneously.
Description
Technical field
The utility model relates to technical field of aquaculture, in particular to fish pond culvert system.
Background technology
Existing fish pond is all generally by water pump water filling and draws water, and during water filling, major part is that the water source in open drain is directly entered fish pond, and fraction is entered by pipeline.These water flooding regimes filter strict all not, probably cause external aquatile to enter fish pond with current.These adventives can extrude the living space of the fish in fish pond, and this fish pond output value is reduced greatly.Meanwhile, the fish adverse current in fish pond also may be caused to escape.
Because side, existing fish pond does not generally arrange special drain ditch, be generally directly draw water in other existing irrigation canals and ditches when therefore drawing water, make culturist that drain ditch cannot be utilized to regulate and control fish pond like this.
Utility model content
The purpose of this utility model is to provide a kind of fish pond feeding/discharging device, to improve above-mentioned problem.
The utility model is achieved in that
This fish pond culvert system comprises water feed apparatus, drainage arrangement and is arranged at the drain ditch of side, fish pond, described water feed apparatus comprises water inlet pipe, the arrival end of described water inlet pipe is positioned at outside irrigation canals and ditches and is provided with waterproof cover, the port of export is communicated with fish pond by multiple filter bores, and described drainage arrangement is arranged at fish pond lower sidewall and is communicated with described drain ditch.
Wherein, the arrival end of water inlet pipe is positioned at above the water surface in fish pond, to increase the contact area of filter bores and air, facilitates the water in outside irrigation canals and ditches to flow into fish pond.
At ordinary times, described waterproof cover and described drainage arrangement are all in closed condition, and correspondingly, fish pond, outside irrigation canals and ditches and drain ditch are in non-connected state; When fish pond needs to change water, open waterproof cover and drainage arrangement simultaneously, fish pond, outside irrigation canals and ditches and drain ditch three is made to be in connected state, water in so outside irrigation canals and ditches slowly can enter fish pond, and the water in fish pond slowly flows into drain ditch, just define one in such fish pond and enter discharge cycle, thus realize changing water efficiently.
Because the port of export entering pipe is communicated with fish pond by filter bores, therefore all can through the filtration of filter bores from the water in outside irrigation canals and ditches inflow fish pond.Arranging of filter bores can effectively prevent external aquatile from entering this fish pond, extrudes the living space of the fish in this fish pond, thus the output value in this fish pond is reduced greatly.In addition, filter bores can also prevent the adverse current when waterproof cover is opened of the fish in this fish pond from escaping, and reduces the loss in this fish pond.
Meanwhile, in the technical program, the setting in drain ditch also has many beneficial effects.In the cultivation stage, poultry feeders controls pond water level by the water level controlling escape canal; Fishing for period, poultry feeders can arrange fishing net fish gathering in escape canal, thus reduces the damage come to the fish tape in fish pond on the dry pool.
Further, described drainage arrangement comprises the cement components for cutting off or be communicated with fish pond and drain ditch and is communicated in the cement culvert pipe of described cement components, and described cement culvert pipe is communicated with described drain ditch.
Cement components has the ability of good mechanical property and opposing fresh water or salt water contamination, can keep stable form under the state contacted with water for a long time.And cement culvert pipe is conventional water discharge member, can directly buy from market, with low cost, easy to use.
Further, screen pack is provided with in described cement components.
When described fish pond and described drain ditch are in connected state, the water in fish pond can flow through cement components.In cement components, arrange screen pack can prevent the fish in fish pond from flowing in drain ditch with current effectively, causes damage to fish pond.
Further, described cement components inside is provided with the cavity of cuboid, three layers of parallel water fender are slidably connected in described cavity, three layers of water fender are arranged along water (flow) direction interval, the bottom of the water fender near fish pond is higher than 5cm-15cm bottom cement components, away from the two-layer water fender in fish pond top lower than cement components top 5cm-15cm and higher than fish pond, screen pack is provided with between the two-layer water fender in fish pond, the top of described cement components is provided with the installing hole extracted out for described water fender or insert, described cement components is respectively arranged with the inlet opening and apopore of supplying water and flowing through perpendicular to the both sides of water (flow) direction.
The impact of current and flow velocity when the effect arranging the gap of 5cm-15cm between bottom the bottom of water fender and cement components in fish pond is to reduce to change water, the fish that also some bodily forms of aided filter net filtration are larger simultaneously.Also arrange the gap of 5cm-15cm away from the top of the two-layer water fender in fish pond and the top of cement components, whole like this cement components inside is just in a semi-enclosed state.When changing water, if the water surface of outside irrigation canals and ditches is higher than the top of the two-layer water fender away from fish pond, then directly open waterproof cover, the water in outside irrigation canals and ditches will enter fish pond, and the water in fish pond then can be crossed water fender and flow into drain ditch; If the water surface in outside irrigation canals and ditches lower than the top of the two-layer water fender near fish pond, then also will extract corresponding two-layer water fender out while opening waterproof cover, so that the water in fish pond is successfully discharged.
Simultaneously, in order to control pond water level, and it is easier to make water fender mount and dismount, the practicable segment type of water fender, namely away from fish pond two water fenders can along short transverse be divided into three joints, four joint or more, adding the joint number of water fender when needing high water level, when needing low water level, taking down the merogenesis water fender at top.
In the technical program, easier in order to make water fender mount and dismount, preferentially select wooden water fender in the technical program.Because wood weight is slim and graceful, inserts in cement components or extract out all very convenient from cement components.
Certainly, according to the actual demand of culturist, the water fender of other material also can be selected, such as aluminum water fender, plastics water fender etc.The weight of plastics water fender and aluminum water fender is relatively light, also has the intensity higher than wooden water fender simultaneously.
Further, in three layers of water fender away from fish pond two-layer between be provided with the earth of compacting.
The earth of compacting is arranged at the water proof ability that can to increase both between second layer water fender and third layer water fender.
Further, described cement components does not have the both sides inwall of inlet opening and apopore is provided with vertical channel-section steel, described water fender is slidably connected to described inside cavity by described channel-section steel.
The strip steel of channel-section steel to be cross section be spill, have good mechanical property, and cost are very cheap.Meanwhile, in order to three layers of water fender correspondence, channel-section steel should at least arrange three groups, and often group comprises two, is arranged at respectively on the relative both sides inwall of cavity.
It should be noted that, cement components also directly within it wall can be arranged and is used for track that water fender slides and no longer arranges channel-section steel, described track and whole cement components one-body molded.
Further, the port of export of described water inlet pipe is removably connected with water outlet intubate, and multiple filter bores is all positioned in described water outlet intubate.
Dismountable connected mode makes water outlet intubate to be easily connected with water inlet pipe or to dismantle, so that when filter bores blocks, can be solved the problem of blocking, and go dredging without water under culturist by the mode changing water outlet intubate, efficient and convenient.
Further, described waterproof cover is provided with external screw thread, the arrival end of described water inlet pipe is provided with the internal thread mated with described external screw thread.
The connected mode of screw thread is simple and practical, facilitates poultry feeders opening and closing.
Further, bottom described drain ditch lower than 60-80cm bottom described fish pond.
The object of this set is to make to produce larger potential energy difference between fish pond and drain ditch, thus makes the water in fish pond can flow in drain ditch under gravity rapidly when drainage arrangement is opened.
Further, described water inlet pipe is pvc pipe.
The Main Ingredients and Appearance of pvc pipe is polyvinyl chloride, adds other one-tenth in addition and assigns to strengthen its warm tolerance, toughness, ductility etc.
It has following good characteristic: good tension and compressive property; Fluid resistance is little; Excellent decay resistance; Good watertightness; Put performance of gnawing.These characteristics all make it become the optimal material of the water inlet pipe in the technical program.
This fish pond culvert system, for existing culvert system, has set up the filter bores for filtering external water source.Filter bores can prevent outside aquatile from entering this fish pond thus extruding the living space of the fish in this fish pond effectively, avoids the output value in fish pond greatly to reduce, and when can also prevent the fish in this fish pond from changing water, adverse current is escaped simultaneously.
Meanwhile, this fish pond culvert system has also set up special drain ditch, to regulate fish pond water level when needs by drain ditch or arrange fishing net fish gathering in drain ditch.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the fish pond culvert system that Fig. 1 provides for the utility model embodiment;
The vertical view of the drainage arrangement that Fig. 2 provides for the utility model embodiment.
Reference numeral gathers: 100-water inlet pipe; 120-waterproof cover;
150-water outlet intubate; 200-cement components; 220-water fender;
240-cavity; 250-screen pack; 270-channel-section steel; 280-cement culvert pipe;
300-drain ditch.
Embodiment
Existing fish pond is all generally carry out water filling by water pump and draw water, and changes the water capacity in this way and easily makes external aquatile enter this fish pond, thus extrude the living space of the fish in this fish pond, from the output value reducing this fish pond to a great extent.
For above-mentioned situation, the technical program provides a kind of fish pond culvert system, the water inlet system of this fish pond culvert system is provided with the filter bores for filtering external water source, filter bores can filtering external water source effectively, prevents external aquatile from invading this fish pond.
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The parts of the utility model embodiment describing in usual accompanying drawing herein and illustrate can have different positions to arrange and annexation.
Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Consult Fig. 1-2, this fish pond culvert system comprises water feed apparatus, drainage arrangement and is arranged at the drain ditch 300 of side, fish pond, described water feed apparatus comprises water inlet pipe 100, the arrival end of described water inlet pipe 100 is positioned at outside irrigation canals and ditches and is provided with waterproof cover 120, port of export sealing and being communicated with fish pond by multiple filter bores, on the sealing part that filter bores is positioned at the port of export or sidewall.In the present embodiment, the shape of filter bores is preferably circular.Described drainage arrangement is arranged at fish pond lower sidewall and is communicated with described drain ditch 300.
Wherein, the arrival end of water inlet pipe 100 is positioned at above the water surface in fish pond, to increase the contact area of filter bores and air, facilitates the water in outside irrigation canals and ditches to flow into fish pond.
At ordinary times, described waterproof cover 120 and described drainage arrangement are all in closed condition, and correspondingly, fish pond, outside irrigation canals and ditches and drain ditch 300 are in non-connected state; When fish pond needs to change water, open waterproof cover 120 and drainage arrangement simultaneously, fish pond, outside irrigation canals and ditches and drain ditch 300 three is made to be in connected state, water in so outside irrigation canals and ditches slowly can enter fish pond, and the water in fish pond slowly flows into drain ditch 300, just define one in such fish pond and enter discharge cycle, thus realize changing water efficiently.
Because the port of export entering pipe is communicated with fish pond by filter bores, therefore all can through the filtration of filter bores from the water in outside irrigation canals and ditches inflow fish pond.Arranging of filter bores can effectively prevent external aquatile from entering this fish pond, extrudes the living space of the fish in this fish pond, thus the output value in this fish pond is reduced greatly.In addition, filter bores can also prevent the adverse current when waterproof cover 120 is opened of the fish in this fish pond from escaping, and reduces the loss in this fish pond.
Meanwhile, in the technical program, the setting in drain ditch 300 also has many beneficial effects.In the cultivation stage, poultry feeders controls pond water level by the water level controlling drain ditch 300 canal; Fishing for period, poultry feeders can arrange fishing net fish gathering in the canal of drain ditch 300, thus reduces the damage come to the fish tape in fish pond on the dry pool.
It should be noted that, if fish pond is rectangle, then water feed apparatus and drainage arrangement can be respectively arranged with on rectangular two minor faces, to form convective structure, thus facilitate the circulation of fishpond water.
Further, described drainage arrangement comprises for cutting off or be communicated with the cement components 200 in fish pond and drain ditch 300 and being communicated in the cement culvert pipe 280 of described cement components 200, and described cement culvert pipe 280 is communicated with described drain ditch 300.Wherein, cement components 200 is cuboid, to process.
Cement components 200 has the ability of good mechanical property and opposing fresh water or salt water contamination, can keep stable form under the state contacted with water for a long time.And cement culvert pipe 280 is conventional water discharge member, can directly buy from market, with low cost, easy to use.
Further, described cement components 200 inside is provided with the cavity 240 of cuboid, three layers of parallel water fender 220 are slidably connected in described cavity 240, three layers of water fender 220 are arranged along water (flow) direction interval, the bottom of the water fender 220 near fish pond is higher than 5cm-15cm bottom cement components 200, away from the two-layer water fender 220 in fish pond top lower than cement components 200 top 5cm-15cm and higher than fish pond, screen pack is provided with between the two-layer water fender 220 in fish pond, the top of described cement components 200 is provided with the installing hole extracted out for described water fender 220 or insert, described cement components 200 is respectively arranged with the inlet opening and apopore of supplying water and flowing through perpendicular to the both sides of water (flow) direction.Described inlet opening is communicated with fish pond, and described apopore is communicated with cement culvert pipe 280.
The impact of current and flow velocity when the effect arranging the gap of 5cm-15cm between bottom the bottom of water fender 220 and cement components 200 in fish pond is to reduce to change water, also aided filter net 250 filters the larger fish of some bodily forms simultaneously.Also arrange the gap of 5cm-15cm away from the top of the two-layer water fender 220 in fish pond and the top of cement components 200, whole like this cement components 200 inside is just in a semi-enclosed state.When changing water, if the water surface of outside irrigation canals and ditches is higher than the top of the two-layer water fender 220 away from fish pond, then directly open waterproof cover 120, the water in outside irrigation canals and ditches will enter fish pond, and the water in fish pond then can be crossed water fender 220 and flow into drain ditch 300; If the water surface in outside irrigation canals and ditches lower than the top of the two-layer water fender 220 near fish pond, then also will extract corresponding two-layer water fender 220 out while opening waterproof cover 120, so that the water in fish pond is successfully discharged to drain ditch 300.
Meanwhile, easier in order to make water fender 220 mount and dismount, preferentially select wooden water fender 220 in the technical program.Because wood weight is slim and graceful, inserts in cement components 200 or extract out all very convenient from cement components 200.
Certainly, according to the actual demand of culturist, also can select the water fender 220 of other material, such as aluminum or plastics.Aluminum relatively light with the weight of the water fender 220 of plastics, intensity is also higher than wooden simultaneously.
And the object arranging screen pack 250 between the two-layer water fender 220 near fish pond is: when after extraction second layer water fender 220 and third layer water fender 220, fish pond and drain ditch 300 can be in connected state, and the water in fish pond can flow through cement components 200 by inlet opening and apopore.Screen pack 250 can prevent the fish in fish pond from flowing in drain ditch 300 with current effectively, causes damage to fish pond.
Certainly, screen pack 250 also can be arranged at other position, and such as cement components 200 is provided with between the side of inlet opening and ground floor water fender 220, can play same effect.
Further, in three layers of water fender 220 away from fish pond two-layer between be provided with the earth of compacting.
The earth of compacting is arranged at the water proof ability that can to increase both between second layer water fender 220 and third layer water fender 220.
Further, described cement components 200 does not have the both sides inwall of inlet opening and apopore is provided with vertical channel-section steel 270, it is inner that described water fender 220 is slidably connected to described cavity 240 by described channel-section steel 270.
Channel-section steel 270 is the strip steel of spill for cross section, have good mechanical property, and cost is very cheap.Meanwhile, in order to corresponding with three layers of water fender 220, channel-section steel 270 should at least arrange three groups, and often group comprises two, is arranged at respectively on the relative both sides inwall of cavity 240.
It should be noted that, cement components 200 also directly within it wall can be arranged and is used for track that water fender 220 slides and no longer arranges channel-section steel 270, described track and whole cement components 200 one-body molded.
Further, the port of export of described water inlet pipe 100 is removably connected with water outlet intubate 150, and multiple filter bores is all positioned in described water outlet intubate 150.
Wherein, water outlet intubate 150 preferentially selects pvc pipe, and connected mode can for being threaded or interference fit.
Dismountable connected mode makes water outlet intubate 150 easily can be connected or dismantle with water inlet pipe 100, so that when filter bores blocks, can be solved the problem of blocking, and go dredging without water under culturist by the mode changing water outlet intubate 150, efficient and convenient.
Further, described waterproof cover 120 is provided with external screw thread, the arrival end of described water inlet pipe 100 is provided with the internal thread mated with described external screw thread.
The connected mode of screw thread is simple and practical, facilitates poultry feeders opening and closing.
Further, bottom described drain ditch 300 lower than 60-80cm bottom described fish pond.
The object of this set is to make to produce larger potential energy difference between fish pond and drain ditch 300, thus makes the water in fish pond can flow in drain ditch 300 under gravity rapidly when drainage arrangement is opened.
Certainly, the distance of 60-80cm is preferred version, when actual excavation drain ditch 300, can be arranged to other suitable distance according to concrete geographical environment.
Further, described water inlet pipe 100 is pvc pipe.
The Main Ingredients and Appearance of pvc pipe is polyvinyl chloride, adds other one-tenth in addition and assigns to strengthen its warm tolerance, toughness, ductility etc.
It has following good characteristic: good tension and compressive property; Fluid resistance is little; Excellent decay resistance; Good watertightness; Put performance of gnawing.These characteristics all make it become the optimal material of the water inlet pipe 100 in the technical program.
This fish pond culvert system, for existing culvert system, has set up the filter bores for filtering external water source.Filter bores can prevent outside aquatile from entering this fish pond thus extruding the living space of the fish in this fish pond effectively, avoids the output value in fish pond greatly to reduce, and when can also prevent the fish in this fish pond from changing water, adverse current is escaped simultaneously.
Meanwhile, this fish pond culvert system has also set up special drain ditch 300, to regulate fish pond water level when needs by drain ditch 300 or arrange fishing net fish gathering in drain ditch 300.
It should be added that, in above-described embodiment, drainage arrangement also can be other versions, such as comprise the hardware of the square bodily form, the cavity of the square bodily form is provided with in hardware, be provided with the metallic plate for dash in described cavity, it is inner that described metallic plate is slidably connected to described hardware.The top of hardware has and the hole of extracting out for described metallic plate or inserting, and both sides then have the hole of supplying water and flowing through.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a fish pond culvert system, it is characterized in that, comprise water feed apparatus, drainage arrangement and be arranged at the drain ditch of side, fish pond, described water feed apparatus comprises water inlet pipe, the arrival end of described water inlet pipe is positioned at outside irrigation canals and ditches and is provided with waterproof cover, the port of export is communicated with fish pond by multiple filter bores, and described drainage arrangement is arranged at fish pond lower sidewall and is communicated with described drain ditch.
2. fish pond according to claim 1 culvert system, it is characterized in that, described drainage arrangement comprises the cement components for cutting off or be communicated with fish pond and drain ditch and is communicated in the cement culvert pipe of described cement components, and described cement culvert pipe is communicated with described drain ditch.
3. fish pond according to claim 2 culvert system, is characterized in that, is provided with screen pack in described cement components.
4. fish pond according to claim 2 culvert system, it is characterized in that, described cement components inside is provided with the cavity of cuboid, three layers of parallel water fender are slidably connected in described cavity, three layers of water fender are arranged along water (flow) direction interval, the bottom of the water fender near fish pond is higher than 5cm-15cm bottom cement components, away from the two-layer water fender in fish pond top lower than cement components top 5cm-15cm and higher than fish pond, screen pack is provided with between the two-layer water fender in fish pond, the top of described cement components is provided with the installing hole extracted out for described water fender or insert, described cement components is respectively arranged with the inlet opening and apopore of supplying water and flowing through perpendicular to the both sides of water (flow) direction.
5. fish pond according to claim 4 culvert system, is characterized in that, in three layers of water fender away from fish pond two-layer between be provided with the earth of compacting.
6. fish pond according to claim 4 culvert system, is characterized in that, described cement components does not have the both sides inwall of inlet opening and apopore is provided with vertical channel-section steel, and described water fender is slidably connected to described inside cavity by described channel-section steel.
7. fish pond according to claim 1 culvert system, is characterized in that, the port of export of described water inlet pipe is removably connected with water outlet intubate, and multiple filter bores is all positioned in described water outlet intubate.
8. fish pond according to claim 1 culvert system, is characterized in that, described waterproof cover is provided with external screw thread, and the arrival end of described water inlet pipe is provided with the internal thread mated with described external screw thread.
9. fish pond according to claim 1 culvert system, is characterized in that, lower than 60-80cm bottom described fish pond bottom described drain ditch.
10. fish pond according to claim 1 culvert system, is characterized in that, described water inlet pipe is pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691651.5U CN204292013U (en) | 2014-11-18 | 2014-11-18 | Fish pond culvert system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691651.5U CN204292013U (en) | 2014-11-18 | 2014-11-18 | Fish pond culvert system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204292013U true CN204292013U (en) | 2015-04-29 |
Family
ID=53097615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420691651.5U Expired - Fee Related CN204292013U (en) | 2014-11-18 | 2014-11-18 | Fish pond culvert system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204292013U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223623A (en) * | 2017-07-28 | 2017-10-03 | 湖北省水产科学研究所 | Filter and seedling equipment |
| CN108207926A (en) * | 2018-02-01 | 2018-06-29 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
| CN109042404A (en) * | 2018-08-19 | 2018-12-21 | 覃建忠 | A kind of porous tube body anti-escape for fish and preparation method thereof |
| CN113557343A (en) * | 2019-03-13 | 2021-10-26 | 龟井正通 | Multiple water-blocking wall |
| CN113605493A (en) * | 2021-09-10 | 2021-11-05 | 濮阳市水利勘测设计院 | Efficient type pool diversion system |
| CN116349640A (en) * | 2022-12-30 | 2023-06-30 | 山东种工渔业发展有限公司 | Aquaculture trades integrative device of water wastewater treatment |
-
2014
- 2014-11-18 CN CN201420691651.5U patent/CN204292013U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223623A (en) * | 2017-07-28 | 2017-10-03 | 湖北省水产科学研究所 | Filter and seedling equipment |
| CN107223623B (en) * | 2017-07-28 | 2022-09-09 | 湖北省水产科学研究所 | Filter equipment and equipment of growing seedlings |
| CN108207926A (en) * | 2018-02-01 | 2018-06-29 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
| CN109042404A (en) * | 2018-08-19 | 2018-12-21 | 覃建忠 | A kind of porous tube body anti-escape for fish and preparation method thereof |
| CN113557343A (en) * | 2019-03-13 | 2021-10-26 | 龟井正通 | Multiple water-blocking wall |
| CN113605493A (en) * | 2021-09-10 | 2021-11-05 | 濮阳市水利勘测设计院 | Efficient type pool diversion system |
| CN113605493B (en) * | 2021-09-10 | 2024-01-26 | 濮阳市水利勘测设计有限公司 | Efficient pit water diversion system |
| CN116349640A (en) * | 2022-12-30 | 2023-06-30 | 山东种工渔业发展有限公司 | Aquaculture trades integrative device of water wastewater treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150429 Termination date: 20161118 |