CN201563500U

CN201563500U - A sewage discharge device at the bottom of a prawn breeding pond

Info

Publication number: CN201563500U
Application number: CN2009202643999U
Authority: CN
Inventors: 文国樑; 李卓佳; 曹煜成; 杨莺莺
Original assignee: South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Current assignee: South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Priority date: 2009-12-09
Filing date: 2009-12-09
Publication date: 2010-09-01
Anticipated expiration: 2019-12-09

Abstract

The utility model discloses a sewage discharge device at the bottom of a prawn cultivation pond, which comprises a sewage discharge pipeline and a sewage well at the bottom of the cultivation pond. Lay on the bottom of the pool, and arrange the collection pipes radially around the central sewage pipe to collect the sewage and collect it into the central sewage pipe, which is connected to the sewage well. The device can conveniently and quickly absorb the dirt at the bottom of the breeding pond without the need for cultivators to go into the bottom of the pond to clean it up. The structure is simple and the sewage absorbing effect is good.

Description

A kind of shrimp culture pond bottom blow-down device

Technical field

The utility model relates to a kind of sewage suction device, is specifically related to a kind of shrimp culture pond bottom blow-down device.

Background technology

At present in small-sized high-density aquiculture, by the quick deterioration of culturing metabolite and sedimental a large amount of generation and water quality, especially in the breed pond of aquatic products such as prawn, these metabolism sedimentss and dirt can be ruined the water quality of culturing water, have a strong impact on the normal growth of aquatic products such as prawn.Therefore, need carry out the blowdown filtration to culturing water, a kind of way is to carry out circulating filtration and dirt interception to culturing water, such blowdown mode need be used large-area breed pond, and need the working power device that water body is circulated, just can intercept the dirt in the water, cause the blowdown cost to strengthen.Secondly, comparatively simple method for discharging pollution is exactly in the bottom of culturing the pond blowdown apparatus to be set, and these blowdown apparatus are generally and are set in the blowoff line of culturing at the bottom of the pond, promptly culture the bottom, pond and are provided with some fixing blow-off lines.Deposition of dirt will fall into blow-off line at the bottom of the pond time, when needing blowdown, as long as open blow-off line, dirt will flow out along with current cultures the pond, but such filth-discharging effect is also unsatisfactory, because water body can not get flowing, have only near the dirt of blow-off line can fall in the blow-off line, and other most dirt still is deposited at the bottom of the pond of the 3-10m blow-off pipe near, still breeding water body is caused great pollution, and then influence growth rate and the survival rate of prawn, influence the benefit of breeding production greatly.

In order to remove near the dirt the blow-off pipe, at present main way be except regularly to the blow-off pipe blowdown, clean at the bottom of also needing manually to enter the pond, contaminant removal effectiveness is low, and filth-discharging effect is undesirable.

The utility model content

The purpose of this utility model is to provide a kind of shrimp culture pond bottom blow-down device, and this device can be absorbed the dirt of culturing the bottom, pond quickly and easily, and the personnel that need not culture clear up at the bottom of entering the pond in person, and simple in structure, the soil pick-up effect is good.

The purpose of this utility model can realize by following technical measures: a kind of shrimp culture pond bottom blow-down device, comprise the blowoff line and the sewage well of culturing at the bottom of the pond, it is characterized in that: the blowoff line of bottom, described breed pond comprises at least one central blowdown pipe and some blowdown collecting pipes, collecting pipe is tiled at the bottom of the pond, and radially distribute around central blowdown pipe, collecting pipe compiles and is communicated to central blowdown pipe, and central blowdown pipe is received sewage well.

Laying angle between described each blowdown collecting pipe that is radial arrangement is 30 °～60 °, and the quantity of described dirt collecting pipe is 6～12.Placement angle between the quantity of this collecting pipe and each collecting pipe can be set by actual demand according to the cultivating pool area.

Described blowdown collecting pipe is provided with some circular holes.

Circularhole diameter on the described blowdown collecting pipe is less than 1cm.The size of this circular hole also can determine with the size of dirt according to the aquatic products of culturing in the pond, thereby it is interior and be flushed away to prevent that aquatic products from falling into the blowdown collecting pipe.

Described shrimp culture pond bottom blow-down device also comprises mobile dirt sucking tube, and an end of described mobile dirt sucking tube is the soil pick-up end, and this soil pick-up end places cultures in the pond, and the other end is a water outlet end; Thereby, during use, to be full of water in the mobile dirt sucking tube, again the soil pick-up port of mobile dirt sucking tube is stretched into the dirt accumulation regions at the bottom of the pond, the water outlet end of dirt sucking tube is stretched into sewage well, and guarantee that the water outlet end level height is lower than the soil pick-up end, because siphonage, dirt will suck in the mobile dirt sucking tube along with current, flows in the sewage well along the row's of moving dirt sucking tube.Thereby, during use, to be full of water in the mobile dirt sucking tube, again the soil pick-up port of mobile dirt sucking tube is stretched into the dirt accumulation regions at the bottom of the pond, the water outlet end of dirt sucking tube is stretched into sewage well, and guarantee that the water outlet end level height is lower than the soil pick-up end, because siphonage, dirt will suck in the mobile dirt sucking tube along with current, flows in the sewage well along the row's of moving dirt sucking tube.

As of the present utility model one preferential embodiment: a mobile soil pick-up chassis also is installed on the soil pick-up end of described mobile dirt sucking tube, and this soil pick-up chassis is provided with some slits.

Described soil pick-up chassis is the cylindric of a closed at both ends, and stack shell is provided with slit, and the size of slit is 2cm * 16cm.The setting of slit both can be absorbed dirt, prevented that again the aquatic products in the pond from being siphoned away by dirt sucking tube.

The utility model contrast prior art, following advantage is arranged:

1, this device can thoroughly be removed the dirt of culturing in the pond, has avoided manually entering the complicated process of manually clearing up in the breed pond;

2, mobile dirt sucking tube each corner in the service sink easily is set, can remove the dirt that central blowdown pipe can not be got rid of;

3, simple structure is made simply, and need not to increase excessive cost can implement, and is fit to various breed scales.

Description of drawings:

Fig. 1 is the overall structure schematic diagram of the utility model shrimp culture pond bottom blow-down device one specific embodiment;

Fig. 2 is the blowoff line vertical view of the bottom, breed pond of this specific embodiment shown in Figure 1;

Fig. 3 is the structural representation on soil pick-up chassis of the mobile dirt sucking tube of specific embodiment shown in Figure 1.

Embodiment

Fig. 1 to Fig. 3 shows the structural representation of an embodiment of shrimp culture pond bottom blow-down device of the present utility model, and this breed pond is used for cultured prawn, comprises the blowoff line of culturing pond 1 and culturing the bottom, pond, and blowoff line uses pvc pipe.Culture outside the pond 1 and also be provided with a sewage well 6, be used to collect the dirt that clears in the pond from culturing.In the present embodiment, according to the actual size of shrimp culture pond, the blowoff line at the bottom of the pond is comprised central blowdown pipe 3 and some blowdown collecting pipes 2.As shown in Figure 2, blowdown collecting pipe 2 lays that to become with central blowdown pipe 3 be the radial of center, and according to the size of the shrimp culture pond of present embodiment, the number that blowdown collecting pipe 2 is set is 6～12, and the angle between each collecting pipe is 30 °～60 °.In other embodiments, the actual size according to culturing the pond also can be provided with a plurality of central blowdown pipes and blowdown collecting pipe.The tube wall of blowdown collecting pipe 2 is provided with the circular hole 21 of several diameters less than 1cm.One end of each blowdown collecting pipe 2 is communicated to central blowdown pipe 3, other end sealing.The end that central blowdown pipe 3 is connected with the blowdown collecting pipe is arranged at the bottom of the pond, and port closed, and the other end then is connected to the bottom of sewage well 6 outside the pond.During the breed, the dirt that produces in the pond will fall into by the small sircle hole of blowdown collecting pipe 2 in the collecting pipe through precipitation, is collected in the central blowdown pipe 3 again, flows at last in the sewage well 6.For the dirt in the pond can be flowed out automatically with sewage, be provided with the physical features position of sewage well 4 lower, therefore than culturing the pond, open after the central blowdown pipe, sewage will flow in the sewage well 6 automatically owing to action of gravity, certainly, can use suction pump directly sewage to be drawn.The sewage of collecting in the sewage well 6 are through the precipitation of certain hours, and most dirt will be precipitated to the bottom of sewage well, and therefore, the breed personnel are regular opens sewage well outlet 7 dirt in the sewage well is discharged.

In addition, this breed pond bottom blow-down device also is provided with one and moves dirt sucking tube 5, one end of mobile dirt sucking tube 5 is the soil pick-up end, and this soil pick-up end places cultures in the pond, and the other end is a water outlet end, this water outlet end stretches in the sewage well 6, also be provided with a mobile soil pick-up chassis 4 on the soil pick-up end of mobile dirt sucking tube 5, as shown in Figure 3, it is one cylindric that this soil pick-up chassis 6 is, stack shell links to each other with dirt sucking tube 5, and also is provided with the slit 41 of some 2cm * 16cm on the stack shell.Certainly, this soil pick-up chassis also can adopt flat box-like, inverted cone-shaped or other any enforceable shape to be made, and the size of this slit also can be provided with according to the size of the different dirt that aquatic products and this aquatic products produced of being cultured in other embodiment.

When carrying out soil pick-up work, at first, to be full of water in the mobile dirt sucking tube 5, and the soil pick-up chassis 6 of mobile blow-off pipe stretched into the dirt accumulation regions of culturing at the bottom of the pond, the port of export stretches in the sewage well 6, sewage in the emptying sewage well, and the horizontal level that guarantees the soil pick-up port is higher than the horizontal level of the port of export, because siphonage, dirt will be by the slit on the soil pick-up chassis 4, and along with current suck in the mobile dirt sucking tube 5, finally flows in the sewage well 6 along the row's of moving dirt sucking tube, aquatic products in the breed pond then can be blocked and can not be sucked away by slit, thereby finishes the soil pick-up blowdown work of culturing the pond.

Claims

1. a sewage discharge device at the bottom of a prawn culture pond, comprising a sewage pipeline and a sewage well at the bottom of the culture pond, characterized in that: the sewage pipeline at the bottom of the culture pond comprises at least one central sewage pipe and some sewage collection pipes, the collection pipe Spread on the bottom of the pool and distribute radially around the central sewage pipe. The collection pipes are connected to the central sewage pipe, and the central sewage pipe is connected to the sewage well.

2. The sewage discharge device at the bottom of the prawn culture pond according to claim 1, characterized in that: the laying angle between the sewage collection pipes arranged radially is 30° to 60°, and the number of the sewage collection pipes 6 to 12 roots.

3. The sewage discharge device at the bottom of the prawn culture pond according to claim 2, characterized in that: the sewage collection pipe is provided with several round holes.

4. The sewage discharge device at the bottom of the prawn culture pond according to claim 3, characterized in that: the diameter of the round hole on the sewage collection pipe is less than 1 cm.

5. The sewage discharge device at the bottom of the prawn culture pond according to claim 1, characterized in that: it also includes a mobile sewage suction pipe, one end of the mobile sewage suction pipe is a sewage suction end, and the sewage suction end is placed in the culture pond. One end is the water outlet end, and the level of the water outlet end is lower than that of the sewage suction end.

6. The sewage discharge device at the bottom of the prawn breeding pond according to claim 5, characterized in that: a mobile sewage suction chassis is also installed on the sewage suction end of the mobile sewage suction pipe, and several slits are arranged on the sewage suction chassis .

7. The sewage discharge device at the bottom of the shrimp culture pond according to claim 6, characterized in that: the sewage suction chassis is a cylindrical shape with both ends closed, and slits are arranged on the cylinder body.