CN215736449U

CN215736449U - Novel two-stage cone bottom sewage discharge high-level pond for aquaculture

Info

Publication number: CN215736449U
Application number: CN202122129471.0U
Authority: CN
Inventors: 程相; 龙祥平; 蒋芳; 韦先超; 黄劼; 梁勤
Original assignee: Sichuan Aquatic Product School; Chongqing Hongmu Chengcheng Agricultural Technology Co ltd
Current assignee: Sichuan Aquatic Product School; Chongqing Hongmu Chengcheng Agricultural Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model provides a novel two-stage cone bottom sewage disposal elevated tank for aquaculture, which comprises a tank wall, a first-stage cone bottom, a second-stage cone bottom, a separation grid and a water pusher, wherein the tank wall is arranged around the first-stage cone bottom, and the bottom of the tank wall is fixedly connected with the first-stage cone bottom; the lower end of the first-stage cone bottom is fixedly connected with a blanking barrel, and the side wall below the blanking barrel is fixed with the upper end of the second-stage cone bottom, so that a fall is formed between the first-stage cone bottom and the second-stage cone bottom; and a separation grid is arranged between the first-stage conical bottom and the second-stage conical bottom for separation, the separation grid is lapped on the end surface of the charging barrel, and the bottom of the second-stage conical bottom is communicated with a drain pipe. The elevated tank has a simple structure, can reduce the suspension amount of excrement at the bottom of the tank, improves the precipitation effect and precipitation rate of the impurities such as the excrement and the like, and discharges the impurities such as the excrement and the like out of the tank quickly and efficiently through small water exchange amount, thereby improving the water quality in the tank.

Description

Novel two-stage cone bottom sewage discharge high-level pond for aquaculture

Technical Field

The utility model relates to the technical field of aquaculture elevated ponds, in particular to a novel two-stage cone bottom sewage discharge elevated pond for aquaculture.

Background

The high-level pond culture is also called a water-lifting type intensive culture mode, and is carried out by building a culture pond on the sandy beach above the seawater high tide line. The mode is an intensive culture mode, and the biggest difference from the traditional beach reclamation excavation culture mode is that a culture pond is built on a beach above a coastline, and water in the pond can be drained no matter in high tide and low tide. The existing elevated pond is used for aquaculture, the bottom of the pond becomes residual bait deposition due to too much thrown feed for a long time, and meanwhile, the excrement and fish scales generated by fishes and shrimps are increased gradually due to dead fishes and other reasons, so that the excrement can be suspended and can not be precipitated due to the activity of the fishes, certain adverse effect on water quality is caused, and the cultured fishes and shrimps are ill.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel two-stage cone bottom sewage discharge high-level tank for aquaculture to solve the problems of suspension of excrement and sewage, poor precipitation effect and low precipitation rate.

The embodiment of the utility model is realized by the following technical scheme: a novel two-stage cone bottom sewage discharge high-level pond for aquaculture comprises a pond wall, a first-stage cone bottom, a second-stage cone bottom and a separation grid, wherein the pond wall is arranged around the first-stage cone bottom, and the bottom of the pond wall is fixedly connected with the first-stage cone bottom; the lower end of the first-stage cone bottom is fixedly connected with a blanking barrel, and the side wall below the blanking barrel is fixed with the upper end of the second-stage cone bottom, so that a fall is formed between the first-stage cone bottom and the second-stage cone bottom; and a separation grid is arranged between the first-stage conical bottom and the second-stage conical bottom for separation, the separation grid is lapped on the end surface of the charging barrel, and the bottom of the second-stage conical bottom is communicated with a drain pipe.

Further, the gradient of the first-stage cone bottom is smaller than that of the second-stage cone bottom, the inclination angle of the first-stage cone bottom is 5-10 degrees, and the inclination angle of the second-stage cone bottom is 15-30 degrees.

Furthermore, a circulation pipe device is installed at the bottom of the second-stage cone and comprises a ring pipe, the ring pipe is tightly attached to the bottom of the blanking barrel and is arranged, a plurality of obliquely installed flushing pipes are installed on the inner side of the ring pipe, and the flushing pipes are tightly attached to the surface of the second-stage cone.

Furthermore, the water discharge pipe is connected with an overflow vertical pipe, one end of the overflow vertical pipe is open, and the middle part of the overflow vertical pipe is communicated with a water guide branch pipe.

Further, a water pushing device is fixedly installed on the wall of the tank and consists of a flow guide cover plate and a nano aeration pipe, the nano aeration pipe is communicated with the air supply of an external air pump, the nano aeration pipe is arranged on the lower side of the flow guide cover plate, and the flow guide cover plate is divided into a straight line section with the lower section vertical to the bottom of the tank and an arc section facing the water surface, so that the nano aeration pipe blows air and drives water flow along the flow guide cover plate.

Furthermore, the bottom of the first-stage conical bottom is fixedly connected with a plurality of high dissolved oxygen water inlet pipes, and the high dissolved oxygen water inlet pipes are arranged on the edge side of the first-stage conical bottom and the connection part of the two-stage conical bottom.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects: the utility model has reasonable design and simple structure, the dung and dirt settling area is formed between the second-stage cone bottom and the blanking cylinder by arranging the separation grating, firstly, the dung and dirt of fishes and shrimps fall on the first-stage cone bottom under the action of gravity, then, the dung and dirt are further gathered to the middle part along the inclined bottom surface, the dung and dirt are piled to the second-stage cone bottom through the gap of the separation grating, the separation grating is separated from the second-stage cone bottom, so that the dung and dirt are prevented from suspending in the pool water again due to the movement of the fishes and shrimps, the dung and the pool water can be discharged through the bottom drain pipe by the inclined surface of the second-stage cone bottom, and compared with the existing high-level pool, the dung and dirt settling effect is better, the settling rate is higher, and the water quality of the pool water in the high-level pool is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a cross-sectional view of a head tank provided in example 1 of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a plan view of the head tank in example 1 of the present invention;

FIG. 4 is a top view of a second stage of the cone base of the present invention;

fig. 5 is a schematic structural diagram of the water pusher in the utility model.

Icon: 1-pool wall, 2-first-stage cone bottom, 3-second-stage cone bottom, 4-separation grating, 5-circulation pipe device, 51-circulation pipe, 52-flushing pipe, 6-drainage pipe, 7-overflow vertical pipe, 8-water guide branch pipe, 9-water pusher, 91-deflector plate, 92-nano aeration pipe, 10-charging barrel and 11-high dissolved oxygen inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Example 1

As further described below with reference to specific embodiments, referring to fig. 1 to 5, embodiment 1 is a novel two-stage cone bottom sewage disposal elevated tank for aquaculture, which includes a tank wall 1, a first-stage cone bottom 2, a second-stage cone bottom 3, and a separation grid 4, wherein the tank wall 11 is arranged around the first-stage cone bottom 2, and the bottom of the tank wall is fixedly connected with the first-stage cone bottom 2; the lower end of the first-stage conical bottom 2 is fixedly connected with a blanking barrel 10, and the side wall below the blanking barrel 10 is fixed with the upper end of the second-stage conical bottom 3, so that a fall is formed between the first-stage conical bottom 2 and the second-stage conical bottom 3; the separation grating 4 is arranged between the first-stage conical bottom 2 and the second-stage conical bottom 3 for separation, the separation grating 4 is arranged on the end surface of the charging barrel 10, the bottom of the second-stage conical bottom 3 is communicated with the drain pipe 6, concretely, the utility model firstly designs a two-stage conical bottom structure with different gradients on the basis of the traditional elevated tank structure, and the separation grating 4 is arranged between the second-stage conical bottom 3 and the charging barrel 10, thereby forming a space of a feces deposition area, the separation grating 4 is arranged on the end surface of the charging barrel 10 for convenient disassembly, when a sewage discharge outlet is blocked, the treatment is carried out, when the feces of fishes and shrimps fall into the tank water and fall under the action of gravity, the feces is gathered towards the middle along the inclined surface of the first-stage conical bottom 2 and passes through the gap of the separation grating 4, at the moment, the fishes and shrimps move on the upper side of the separation grating 4, the feces is arranged on the lower side of the separation grating 4, and the size of the fishes and shrimps can not pass through the separation grating 4, when the fish and shrimp moved in separation grid 4 top, the influence of rivers just reduces the excrement dirt once more and suspends the possibility of separating grid 4 from the bottom, excrement dirt and waste water flow out the clearance along drain pipe 6 under the effect of second level awl end 3, thereby this structure has been solved traditional high-order pond and has been led to the excrement dirty suspension because of breeding aquatic products activity, the problem of unable effective precipitation, water quality is improved, make the excrement dirty sedimentation rate improve to 85% by current about 60%, the period of taking out the dirt of drain sets up the timing of different frequencies according to fry size and the excrement dirt volume and takes out the dirt or continuously takes out the dirt.

In the embodiment of the utility model, as shown in fig. 1, the gradient of the first-stage cone bottom 2 is smaller than that of the second-stage cone bottom 3, the inclination angle of the first-stage cone bottom 2 is 5-10 degrees, the inclination angle of the second-stage cone bottom 3 is 15-30 degrees, specifically, the size of the first-stage cone bottom 2 is larger than that of the second-stage cone bottom 3, the gathering effect on a large range of excrement is good, the construction is convenient because the first-stage cone bottom 2 is coated with concrete, and the angle of the second-stage cone bottom 3 is favorable for enabling the drainage pipe 6 to be opened, and the drainage pipe can rapidly enter the pipe opening of the drainage pipe 6 and be drawn out of the elevated tank on the premise that the drainage pipe is not blocked, so that the sewage discharge cleaning work is completed.

In the embodiment of the utility model, the second-stage conical bottom 3 is provided with the circulating pipe device 5, the circulating pipe device 5 comprises a ring pipe 51, the ring pipe 51 is tightly attached to the bottom of the charging barrel 10, the inner side of the ring pipe 51 is provided with a plurality of obliquely arranged flushing pipes 52, the flushing pipes 52 are tightly attached to the surface of the second-stage conical bottom 3, particularly, after the elevated tank is used for a period of time, the wastewater and the excrement in the tank need to be completely removed, after the wastewater and the excrement are removed, a small amount of accumulated dirt is still attached to the surface of the second-stage conical bottom 3, the water discharged from the flushing pipe 52 forms a rotational flow around the conical bottom surface to clean the bottom of the pool, and in addition, during normal use, the flushing pipe 52 and the ring pipe 51 are arranged at an included angle of 45 degrees, part of water can be lost in the pool in the continuous sewage pumping process, the water discharged by the flushing pipe 52 is supplemented by high oxygen-containing water, and the water flows from the second-stage cone bottom 3 to the water surface, so that the water content is further ensured.

In the embodiment of the utility model, the water discharge pipe 6 is connected with the overflow vertical pipe 7, one end of the overflow vertical pipe 7 is open, the middle part of the overflow vertical pipe 7 is communicated with the water guide branch pipe 8, specifically, the water discharge pipe 6 can be subjected to partial pressure through the overflow vertical pipe 7 to avoid the rupture of the water discharge pipe, and when all the pond water in the high-level pond needs to be discharged, the excessive pressure enables water or sludge to flow out from one end of the overflow pipe or be discharged from the water guide branch pipe 8 for pressure reduction.

As shown in fig. 1, 3 and 5, in the embodiment of the present invention, a water pusher 9 is fixedly installed on a pool wall 1, the water pusher 9 is composed of a flow guiding plate 91 and a nano aeration pipe 92, the nano aeration pipe 92 is communicated with an external air pump, the nano aeration pipe 92 is arranged at the lower side of the flow guiding plate 91, the flow guiding plate 91 is divided into a lower straight line section perpendicular to the pool bottom and an arc section facing the water surface, so that the nano aeration pipe 92 blows air to drive water flow along the flow guiding plate 91, specifically, the existing waterwheel type aeration device has loss and is very easy to bring feces at the pool bottom up and rub polluted pool water, the water pusher 9 is only arranged at the edge of a high-level pool and has a distance of about 50 cm from the first-level conical pool bottom, the external air pump provides compressed air into the nano aeration pipe 92 through an air pipe, an air-water mixture is formed in the air blowing process to bring the water at the pool bottom up and down exchange of the pool water, meanwhile, under the action of the deflector plate 91, the rushed pool water flows along the circular pool wall 1, the speed of the pool water is gradually reduced, it is worth explaining that the driven water flow is accelerated in a straight line section and forms a circular flow after the cambered surface section turns, the excrement is favorably gathered towards the separation grating 4 by matching with the inclination of the first-stage cone bottom 2, the effect is better, the microorganism breeding is also reduced by the flowing pool water, in addition, only one water pusher 9 only can carry a small amount of excrement, the suspension amount is reduced, the small amount of excrement falls into the separation grating 4 under the action of gravity along with the rotation of the water flow to the middle part, and impurities such as the excrement and the like are discharged out of the pool through the small water exchange amount at high speed and high efficiency.

In the embodiment of the utility model, the bottom of the first-stage conical bottom 2 is fixedly connected with a plurality of high dissolved oxygen water inlet pipes 11, the high dissolved oxygen water inlet pipes 11 are arranged at the edge side of the first-stage conical bottom 2, specifically, the high dissolved oxygen water inlet pipes 11 are arranged at the bottom, so that the pool water has longer distance and time to dissolve oxygen into the water, the water outlet of the high dissolved oxygen water inlet pipes 11 is consistent with the water flow direction formed by the water pusher 9 and rotates anticlockwise, the pool water is gushed out from the bottom to be conveniently mixed with the residual pool water in the pool to distribute dissolved oxygen, and the time required by the oxygen content of the whole pool water can be accelerated by matching with the water pusher 9, so that the quality of the pool water is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel high-order pond of second grade cone bottom blowdown for aquaculture, includes the pool wall, its characterized in that: the pool wall is arranged around the first-stage conical bottom, and the bottom of the pool wall is fixedly connected with the first-stage conical bottom;

the lower end of the first-stage cone bottom is fixedly connected with a blanking barrel, and the side wall below the blanking barrel is fixed with the upper end of the second-stage cone bottom, so that a fall is formed between the first-stage cone bottom and the second-stage cone bottom;

and a separation grid is arranged between the first-stage conical bottom and the second-stage conical bottom for separation, the separation grid is lapped on the end surface of the charging barrel, and the bottom of the second-stage conical bottom is communicated with a drain pipe.

2. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 1, wherein: the gradient of the first-stage cone bottom is smaller than that of the second-stage cone bottom.

3. The novel secondary cone bottom sewage disposal elevated tank for aquaculture as claimed in claim 2, wherein: the inclination angle of the first-stage cone bottom is 5-10 degrees.

4. The novel secondary cone bottom sewage disposal elevated tank for aquaculture as claimed in claim 2, wherein: the inclination angle of the second-stage cone bottom is 15-30 degrees.

5. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 1, wherein: the second-stage conical bottom is provided with a circulating pipe device, the circulating pipe device comprises a ring pipe, the ring pipe is tightly attached to the bottom of the blanking barrel, a plurality of obliquely-installed flushing pipes are installed on the inner side of the ring pipe, and the flushing pipes are tightly attached to the surface of the second-stage conical bottom.

6. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 1, wherein: the water discharge pipe is connected with an overflow vertical pipe, one end of the overflow vertical pipe is open, and the middle part of the overflow vertical pipe is communicated with a water guide branch pipe.

7. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 1, wherein: the water pushing device is fixedly installed on the wall of the tank and consists of a flow guide plate and a nano aeration pipe, and the nano aeration pipe is communicated with the outside through an air pump.

8. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 7, wherein: the nano aeration pipe is arranged on the lower side of the flow guide plate, and the flow guide plate is divided into a straight line section with the lower section vertical to the bottom of the tank and an arc surface section facing the water surface, so that the nano aeration pipe blows air and drives water flow along the flow guide plate.

9. The novel secondary cone bottom sewage disposal elevated tank for aquaculture according to claim 1, wherein: the bottom fixedly connected with a plurality of high dissolved oxygen inlet tubes at the bottom of the first-stage awl, the high dissolved oxygen inlet tube is arranged at the edge side of the first-stage awl bottom and the joint of the two-stage awl bottom.