CN216438307U

CN216438307U - Automatic blowdown of aquaculture pond and separation collection device of dead shrimp shell

Info

Publication number: CN216438307U
Application number: CN202122921936.6U
Authority: CN
Inventors: 陈骏鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-06
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to an automatic pollution discharge and dead shrimp and shrimp shell separation and collection device for an aquaculture pond, which comprises a shrimp shell collection structure arranged on the inner wall or the outer wall of the aquaculture pond, an automatic pollution discharge structure arranged on the outer side of the aquaculture pond and the aquaculture pond, wherein the aquaculture pond, the shrimp shell collection structure and the automatic pollution discharge structure are arranged in a straight line from high to low in the horizontal position, a pollution discharge pipe at the bottom of the aquaculture pond discharges aquaculture sewage, shrimp shells and dead shrimps into a shrimp shell collection frame through a water guide pipe, the shrimp shell collection frame intercepts the shrimp shells and the dead shrimps in the shrimp shell collection frame, the live shrimps can flow back into the aquaculture pond through live shrimp escape openings in the shrimp shell collection frame and pass through holes in the wall of the aquaculture pond, the sewage enters a drainage box along an overflow drain pipe and a drainage box water inlet pipe, and the drainage box discharges the pollution outwards in a siphon mode. The automatic water and sewage discharging device is ingenious in structural design, achieves automatic water and sewage discharging functions, and can effectively separate and collect the shrimp shells, dead shrimps and other solid residue particles in the culture pond.

Description

Automatic blowdown of aquaculture pond and separation collection device of dead shrimp shell

Technical Field

The utility model relates to the field of aquaculture engineering, in particular to an automatic pollution discharge and dead shrimp shell separation and collection device for an aquaculture pond.

Background

In the industrial circulating water aquaculture, how to carry out efficient pollution discharge and how to separate dirt such as shrimp shells, dead shrimps, residual baits, excrement and the like in aquaculture water out of a system are key factors for determining whether the circulating water aquaculture can be successful or not, and at present, two common pollution discharge methods exist: one method is to increase the flow of a circulating water pump and quickly change the water in a culture pond to achieve the effect of pollution discharge, and the method is usually power-consuming, has large floating change of the water quality of the culture water body, is easy to cause stress reaction of fishes and shrimps and is not beneficial to aquaculture; in addition, the other method is to pull out the drain pipe regularly for large discharge and change water greatly, the method usually needs to pull out the drain pipe manually for sewage discharge, and great labor cost and time cost are brought to the culture management when the culture scale is large. And the two pollution discharge methods are not provided with the shrimp shell collecting and filtering device, so that large-particle pollutants such as shrimp shells, dead shrimps, residual baits and the like are easily discharged into the water treatment micro-filter of the circulating water system, the operation energy consumption and the maintenance cost of the roller micro-filter in the circulating water culture system can be increased, the biochemical burden of the biological filter is increased, and a plurality of unstable factors are brought to the whole circulating water culture system.

Therefore, the device which can separate and remove the dead shrimps and the shrimp shells and prevent the live shrimps from escaping is developed for the automatic water drainage and pollution discharge of the aquaculture pond, and has very important significance for promoting the aquaculture industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems and optimize and perfect the circulating water culture pollution discharge technology and the shrimp shell collecting and separating technology, the utility model aims to provide an automatic pollution discharge and dead shrimp shell separating and collecting device for an aquaculture pond.

The purpose of the utility model is realized by the following technical scheme:

an automatic pollution discharge and dead shrimp shell separation and collection device for an aquaculture pond comprises a shrimp shell collection structure arranged on the inner wall or the outer wall of the aquaculture pond, an automatic pollution discharge structure arranged on the outer side of the aquaculture pond and the aquaculture pond, wherein the shrimp shell collection structure comprises a collection container, a water conduit, a shrimp shell collection frame, a live shrimp escape opening and a collection container drain pipe; the shrimp shell collecting frame is arranged in the collecting container; the live shrimp escape opening is arranged at the top of the shrimp shell collecting frame and penetrates through the shrimp shell collecting frame and the collecting container; the water conduit penetrates through the collecting container and is arranged in the shrimp shell collecting frame; the water discharge pipe of the collecting container is arranged at the lowest part of the collecting container;

the automatic sewage discharging structure comprises a drainage box, a drainage box water inlet pipe, a water level ascending inclined pipe, an auxiliary drainage pipe, an air chamber, an exhaust pipe, a main drainage pipe, a drainage water level adjusting pipe, an overflow drainage pipe, an atmosphere communicating pipe and a drainage box outer drainage pipe, wherein the water level ascending inclined pipe, the auxiliary drainage pipe, the air chamber, the exhaust pipe and the main drainage pipe are arranged in the drainage box; the overflow drain pipe is partially arranged in the drain tank, one end of the overflow drain pipe is connected with the overflow water level adjusting pipe through a three-way pipe, and the other end of the overflow drain pipe is connected with the atmosphere communicating pipe; the water inlet pipe of the drainage box is connected with the water level ascending inclined pipe; the air chamber is connected with the water level ascending inclined pipe, and the main drainage pipe is connected with the air chamber; the exhaust pipe is connected with the air chamber; one end of the auxiliary water drainage pipe is connected with the top of the water level ascending inclined pipe, and the other end of the auxiliary water drainage pipe is connected with the exhaust pipe; one end of the drainage water level adjusting pipe is connected with the air chamber, and the other end of the drainage water level adjusting pipe extends out of the drainage box; the outer drainage pipe of the drainage box is arranged on the wall of the drainage box, and a certain distance is reserved between the outer drainage pipe of the drainage box and the bottom of the drainage box;

the culture pond comprises a culture pond water inlet, a culture pond wall hole, a culture pond bottom drain pipe and a culture pond bottom drain pumping pipe;

the shrimp shell collecting structure and the automatic pollution discharge structure are connected and communicated with a water inlet pipe of the drainage box through a collecting container drainage pipe and connected and communicated through an overflow drainage pipe to form a separation and collection device for automatically discharging pollution and dead shrimp shells, and a separation and collection system for automatically discharging pollution and dead shrimp shells is formed by connecting the separation and collection device into a culture pond; the automatic sewage discharging structure and the culture pond are connected and communicated with a sewage discharging pipe at the bottom of the culture pond through a water inlet pipe of the water discharging box to form an automatic sewage discharging system of the culture pond.

Furthermore, the shrimp shell collecting structure can be arranged in the culture pond or on the outer pond wall of the culture pond, and the bottom of the collecting container of the shrimp shell collecting structure is of a funnel structure; when the shrimp shell collecting structure is arranged on the outer wall of the culture pond, the collecting container is hung on the outer wall of the culture pond, the live shrimp escape opening is communicated with the wall hole of the culture pond, and the water conduit is communicated with the blow-off pipe at the bottom of the culture pond; when the shrimp shell collecting structure is arranged in the culture pond, the live shrimp escape opening is communicated with the culture pond, and the water conduit is communicated with the sewage pumping pipe at the bottom of the culture pond.

Further, the shrimp shell collecting frame is of a hollow structure, the shrimp shell collecting frame is nested in the collecting container, and a gap is reserved between the shrimp shell collecting frame and the collecting container.

Furthermore, the overflow water level adjusting pipe is arranged in the shrimp shell collecting structure or in the culture pond, and the height of the overflow water level adjusting pipe can be freely adjusted in a telescopic manner; when the overflow water level adjusting pipe is arranged in the shrimp shell collecting structure, the overflow water level adjusting pipe penetrates through the collecting container and is arranged in the shrimp shell collecting frame, and the overflow water level adjusting pipe is applied to sewage discharge and separation and collection of the shrimp shells; when the overflow water level adjusting pipe is arranged in the culture pond, the overflow water level adjusting pipe is only used for discharging sewage in the culture pond.

Furthermore, one end of the drainage water level adjusting pipe is connected and communicated with the top of the air chamber, the other end of the drainage water level adjusting pipe is connected with the culture pond and is immersed in the water surface of the culture pond, and the length of the drainage water level adjusting pipe can be freely adjusted in a telescopic mode; the bottom of air chamber meets the intercommunication with the top of blast pipe, the top downside of water level rising pipe chute meets the intercommunication with the top of auxiliary drain pipe, the bottom of auxiliary drain pipe meets the intercommunication with the well upper portion of blast pipe.

Furthermore, water is stored at the bottom in the drainage tank, and the water surface is lower than an outer drainage pipe of the drainage tank; and the pipe orifices of the exhaust pipe, the main drainage pipe and the overflow drainage pipe are immersed under the water surface.

Further, automatic blowdown structure includes drain tank, drain tank inlet tube, water level pipe chute that rises, auxiliary drain pipe, air chamber, blast pipe, main drain pipe, drainage water level control pipe, overflow water level control pipe, atmosphere communicating pipe, overflow drain pipe, the outer drain pipe of drain tank, and the structure that it is connected the constitution with breeding the pond can be applied to alone and breed the pond drainage blowdown.

Furthermore, the shrimp shell collecting structure and the automatic pollution discharge structure are connected and communicated with a water inlet pipe of the drainage box through a collecting container drain pipe and are also connected and communicated through an overflow drain pipe, the height difference exists between the shrimp shell collecting structure and an air chamber in the automatic pollution discharge structure, and the air chamber is slightly lower than the shrimp shell collecting structure.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. the structure design is ingenious, automatic drainage and pollution discharge without energy consumption are realized, a pipe drawing type pollution discharge method is replaced, and water resources and labor cost are saved; 2. the discharge amount of water in the culture pond can be controlled by adjusting the water discharge level adjusting pipe, a method for injecting water into the culture pond by a large-flow water pump and discharging sewage is replaced, and the electric power cost is saved; 3. the device can effectively separate and collect solid residue particles such as residual baits, shrimp shells, dead shrimps and the like in the culture pond in time, reduces the solid particles in the filter, and lightens the operation load of a roller mechanical microfilter, a protein separator and a biological filter in a subsequent recirculating aquaculture system.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the overall structure of embodiment 2 of the present invention;

FIG. 4 is a schematic view of an automatic blowdown configuration of the present invention;

FIG. 5 is a schematic view of the overall structure of embodiment 3 of the present invention;

in the figure: 1. a shrimp shell collection structure; 2. an automatic pollution discharge structure; 3. a culture pond; 101. a collection container; 102. a water conduit; 103. a shrimp shell collection frame; 104. the live shrimps exit the escape opening; 105. a collection container drain; 201. a drain tank; 202. a water inlet pipe of the drainage tank; 203. a water level raising inclined pipe; 204. an auxiliary drain pipe; 205. an air chamber; 206. an exhaust pipe; 207. a main drain pipe; 208. a drain water level regulating pipe; 209. an overflow water level regulating pipe; 210. an overflow drain pipe; 211. an atmosphere communicating pipe; 212. an outer drainage pipe of the drainage box; 301. a water inlet of the culture pond; 302. a hole is formed in the wall of the culture pond; 303. a sewage discharge pipe at the bottom of the culture pond; 304. a sewage pumping pipe at the bottom of the culture pond.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1

As shown in fig. 1 and fig. 2, the utility model provides an automatic pollution discharge and dead shrimp shell separation and collection device for an aquaculture pond, which comprises a shrimp shell collection structure 1, an automatic pollution discharge structure 2 and a culture pond 3, wherein the shrimp shell collection structure 1 comprises a collection container 101, a water conduit 102, a shrimp shell collection frame 103, a live shrimp escape opening 104 and a collection container drain pipe 105; the automatic sewage discharging structure 2 comprises a drainage tank 201, a drainage tank water inlet pipe 202, a water level ascending inclined pipe 203, an auxiliary drainage pipe 204, an air chamber 205, an exhaust pipe 206, a main drainage pipe 207, a drainage water level adjusting pipe 208, an overflow water level adjusting pipe 209, an overflow drainage pipe 210, an atmosphere communicating pipe 211 and a drainage tank outer drainage pipe 212; the culture pond 3 comprises a culture pond water inlet 301, a culture pond wall hole 302 and a culture pond bottom drainage pipe 303.

The shrimp shell collecting frame 103 is arranged in the collecting container 101, the shrimp shell collecting frame 103 is of a hollow structure, and a gap is reserved between the shrimp shell collecting frame 103 and the collecting container 101; the live shrimp escape opening 104 is arranged at the top of the shrimp shell collecting frame 103 and penetrates through the shrimp shell collecting frame 103 and the collecting container 101; the water conduit 102 passes through the collecting container 101 and is arranged in the shrimp shell collecting frame 103; the overflow water level adjusting pipe 209 penetrates through the collecting container 101 and is arranged in the shrimp shell collecting frame 103, and the height can be freely adjusted in a telescopic manner; the shrimp shell collecting structure 1 is arranged on the outer wall of the culture pond 3, the bottom of a collecting container 101 of the shrimp shell collecting structure 1 is of a funnel structure, the collecting container 101 is hung on the outer wall of the culture pond 3, a live shrimp outlet 104 is connected and communicated with a culture pond wall hole 302, the water level in the culture pond 3 is slightly higher than the culture pond wall hole 302, and a water conduit 102 is connected and communicated with a sewage discharge pipe 303 at the bottom of the culture pond; the collecting container drain pipe 105 is provided at the lowest portion of the collecting container 101.

Further, the shrimp shell collecting structure 1 and the automatic pollution discharge structure 2 are connected and communicated with a water inlet pipe 202 of a water discharge tank through a collecting container water discharge pipe 105 and also connected and communicated through an overflow water discharge pipe 210, the height difference exists between the shrimp shell collecting structure 1 and an air chamber 205 in the automatic pollution discharge structure 2, and the air chamber 205 is slightly lower than the shrimp shell collecting structure 1; the water inlet pipe 202 of the drainage box is connected with a water level ascending inclined pipe 203; the air chamber 205 is connected with the water level rising inclined pipe 203, and the main drainage pipe 207 is connected with the air chamber 205; the exhaust pipe 206 is connected with the air chamber 205; one end of the auxiliary drain pipe 204 is connected with the lower side of the top of the water level rising inclined pipe 203, and the other end is connected with the middle upper part of the exhaust pipe 206; one end of the drainage water level adjusting pipe 208 is connected with the air chamber 205, the other end extends out of the drainage tank 201 to be connected with the culture pond 3 and is immersed in the water surface of the culture pond, and the length of the drainage water level adjusting pipe 208 can be freely adjusted in a telescopic manner; the part of the overflow drain pipe 210 is arranged in the drain tank 201, one end of the overflow drain pipe 210 is connected with the overflow water level adjusting pipe 209 through a three-way pipe, and the other end is connected with an atmosphere communicating pipe 211; the drain tank outer drain pipe 212 is arranged on the wall of the drain tank 201, and a distance is reserved between the drain tank outer drain pipe 212 and the bottom of the drain tank 201; the bottom of the drainage tank 201 is stored with water, the water surface is lower than the drainage tank outer drainage pipe 212, and the pipe openings of the exhaust pipe 206, the main drainage pipe 207 and the overflow drainage pipe 210 are immersed under the water surface.

The working principle of the embodiment is as follows:

as shown in fig. 2, the culture pond 3, the shrimp shell collecting structure 1 and the automatic sewage discharging structure 2 are arranged in a straight line from high to low in a horizontal position, wherein the sewage discharging pipe 303 at the bottom of the culture pond discharges culture sewage, shrimp shells and dead shrimps into the shrimp shell collecting frame 103 through the water guiding pipe 102, the shrimp shell collecting frame 103 intercepts the shrimp shells and the dead shrimps in the shrimp shell collecting frame 103, the live shrimps can pass through the live shrimp escape opening 104 on the shrimp shell collecting frame 103 and then flow back into the culture pond through the culture pond wall hole 302, and the sewage enters the drain tank 201 along the overflow drain pipe 210 and the drain tank inlet pipe 202 and then is discharged through the drain tank outer water discharging pipe 212. Automatic blowdown structure 2 is siphon drainage structures, when breeding pond water inlet 301 continuous toward breeding 3 interior water injections in the pond, breed 3 interior water levels in the pond and rise, because it is the connectivity structure to breed pond 3 and automatic blowdown structure 2, so when the water level rises to air chamber 205, water can be down-flow along supplementary drain pipe 204, drive blast pipe 206 simultaneously and exhaust downwards, thereby evacuate the air in air chamber 205, let air chamber 205 form the vacuum, main drain pipe 207 starts siphon drainage. When siphoning drainage is carried out, sewage, shrimp shells and dead shrimps in the culture pond 3 are taken into the shrimp shell collecting frame 103 by water flow, when the water level in the culture pond 3 drops to expose the pipe orifice of the drainage water level adjusting pipe 208, air enters the air chamber 205 from the drainage water level adjusting pipe 208 to break the vacuum state of the air chamber 205, the main drainage pipe 207 stops drainage, and the shrimp shells, the dead shrimps and the like are collected in the shrimp shell collecting frame 103 and can be fished out by hands. At this moment, because the water inlet 301 of the culture pond continuously injects water into the culture pond 3, the water level of the culture pond can rise again, the live shrimps trapped in the shrimp shell collecting frame 103 can escape from the live shrimp escape opening 104 along with the rising of the water level into the culture pond, and the automatic reciprocating circulation drainage is realized under the siphon drainage effect of the automatic sewage discharge structure 2 in the culture pond 3, so that the shrimp shell collecting frame 103 continuously realizes the collection of the shrimp shells and the dead shrimps.

Example 2

As shown in fig. 3, the present embodiment is different from the first embodiment in that: the shrimp shell collecting structure 1 is arranged in the culture pond 3, the live shrimp outlet 104 is directly communicated with the water body in the culture pond 3, and the water conduit 102 is communicated with the sewage pumping pipe 304 at the bottom of the culture pond.

In this embodiment, except that the shrimp shell collecting structure 1 is arranged in the culture pond 3, the sewage pumping pipe 304 at the bottom of the culture pond is connected with the water conduit 102 instead of the sewage draining pipe 303 at the bottom of the culture pond, the hole 302 on the wall of the culture pond is removed, and the functions of other parts are all the same as those of the first embodiment.

Example 3

As shown in fig. 4 and 5, the present embodiment is only suitable for automatic drainage and pollution discharge of the culture pond, and the difference from the first embodiment is that: when the first separation of subtracting joining in marriage dead shrimp shell collects the function, can remove shrimp shell collection structure 1, select to remain automatic blowdown structure 2 and breed 3 combinations in pond, both breed the bottom of the pool blow off pipe 303 and meet the intercommunication with drain tank inlet tube 202, place in breeding 3 in the overflow water level control pipe 209.

The embodiment is the same as the first embodiment except that the function of separating and collecting the dead shrimp shells is not provided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 device for automatically discharging sewage and separating and collecting dead shrimps and shells in an aquaculture pond is characterized by comprising a shrimp shell collecting structure (1) arranged on the inner wall or the outer wall of the aquaculture pond, an automatic sewage discharging structure (2) arranged on the outer side of the aquaculture pond and the aquaculture pond (3), wherein the shrimp shell collecting structure (1) comprises a collecting container (101), a water conduit (102), a shrimp shell collecting frame (103), a live shrimp escape opening (104) and a collecting container drain pipe (105); the shrimp shell collecting frame (103) is arranged in the collecting container (101); the live shrimp escape opening (104) is arranged at the top of the shrimp shell collecting frame (103) and penetrates through the shrimp shell collecting frame (103) and the collecting container (101); the water conduit (102) penetrates through the collecting container (101) and is arranged in the shrimp shell collecting frame (103); the collecting container drain pipe (105) is arranged at the lowest part of the collecting container (101);

the automatic sewage discharging structure (2) comprises a drainage box (201), a drainage box water inlet pipe (202), a water level ascending inclined pipe (203), an auxiliary drainage pipe (204), an air chamber (205), an exhaust pipe (206), a main drainage pipe (207), a drainage water level adjusting pipe (208), an overflow water level adjusting pipe (209), an overflow drainage pipe (210), an atmosphere communicating pipe (211) and a drainage box outer drainage pipe (212), wherein the water level ascending inclined pipe (203), the auxiliary drainage pipe (204), the air chamber (205), the exhaust pipe (206) and the main drainage pipe (207) are arranged in the drainage box (201); the overflow drain pipe (210) is partially arranged in the drain tank (201), one end of the overflow drain pipe (210) is connected with an overflow water level adjusting pipe (209) through a three-way pipe, and the other end of the overflow drain pipe is connected with an atmosphere communicating pipe (211); the water inlet pipe (202) of the drainage box is connected with a water level ascending inclined pipe (203); the air chamber (205) is connected with the water level rising inclined pipe (203), and the main drainage pipe (207) is connected with the air chamber (205); the exhaust pipe (206) is connected with the air chamber (205); one end of the auxiliary drain pipe (204) is connected with the top of the water level ascending inclined pipe (203), and the other end of the auxiliary drain pipe is connected with the exhaust pipe (206); one end of the drainage water level adjusting pipe (208) is connected with the air chamber (205), and the other end extends out of the drainage tank (201); the outer drainage pipe (212) of the drainage box is arranged on the wall of the drainage box (201), and a certain distance is reserved between the outer drainage pipe (212) of the drainage box and the bottom of the drainage box (201);

the culture pond (3) comprises a culture pond water inlet (301), a culture pond wall hole (302), a culture pond bottom sewage discharge pipe (303) and a culture pond bottom sewage pumping pipe (304);

the shrimp shell collecting structure (1) and the automatic pollution discharge structure (2) are connected and communicated with a water inlet pipe (202) of the water discharge tank through a collecting container water discharge pipe (105) and connected and communicated through an overflow water discharge pipe (210) to form a separation and collection device for automatic pollution discharge and dead shrimp shells, and a separation and collection system for automatic pollution discharge and dead shrimp shells is formed by connecting the separation and collection device into the culture pond (3); the automatic sewage discharging structure (2) and the culture pond (3) are connected and communicated with a sewage discharging pipe (303) at the bottom of the culture pond through a water inlet pipe (202) of a water discharging box to form the automatic sewage discharging system of the culture pond.

2. The automatic pollution discharge and dead shrimp and shrimp shell separating and collecting device of the aquaculture pond of claim 1, wherein the shrimp shell collecting structure (1) can be arranged in the aquaculture pond (3) or on the outer pond wall of the aquaculture pond (3), and the bottom of the collecting container (101) of the shrimp shell collecting structure (1) is of a funnel structure; when the shrimp shell collecting structure (1) is arranged on the outer wall of the culture pond (3), the collecting container (101) is hung on the outer wall of the culture pond (3), the live shrimp escape opening (104) is communicated with the wall hole (302) of the culture pond, and the water conduit (102) is communicated with the sewage discharge pipe (303) at the bottom of the culture pond; when the shrimp shell collecting structure (1) is arranged in the culture pond (3), the live shrimp escape opening (104) is communicated with the culture pond (3), and the water conduit (102) is communicated with the bottom of the culture pond and the sewage pumping pipe (304).

3. The automatic pollution discharge and dead shrimp and shrimp shell separating and collecting device of the aquaculture pond of claim 1, wherein the shrimp shell collecting frame (103) is a hollow structure, the shrimp shell collecting frame (103) is nested in the collecting container (101), and a gap is reserved between the shrimp shell collecting frame (103) and the collecting container (101).

4. The automatic pollution discharge and dead shrimp shell separating and collecting device of the aquaculture pond as claimed in claim 1, wherein the overflow water level adjusting pipe (209) is arranged in the shrimp shell collecting structure (1) or in the aquaculture pond (3) and the height of the overflow water level adjusting pipe can be adjusted in a telescopic way; when the overflow water level adjusting pipe (209) is arranged in the shrimp shell collecting structure (1), the overflow water level adjusting pipe penetrates through the collecting container (101) to be arranged in the shrimp shell collecting frame (103) and is applied to pollution discharge and separation and collection of the shrimp shells; when the overflow water level adjusting pipe (209) is arranged in the culture pond (3), the overflow water level adjusting pipe is only used for pollution discharge of the culture pond.

5. The automatic pollution discharge and dead shrimp and shrimp shell separating and collecting device of the aquaculture pond of claim 1, wherein one end of the water drainage level adjusting pipe (208) is connected and communicated with the top of the air chamber (205), the other end is connected with the aquaculture pond (3) and is immersed in the water surface of the aquaculture pond, and the length of the water drainage level adjusting pipe (208) can be freely adjusted in a telescopic way; the bottom of the air chamber (205) is communicated with the top of the exhaust pipe (206), the lower side of the top of the water level ascending inclined pipe (203) is communicated with the top of the auxiliary drain pipe (204), and the bottom of the auxiliary drain pipe (204) is communicated with the middle upper part of the exhaust pipe (206).

6. The automatic pollution discharge and dead shrimp and shrimp shell separating and collecting device of the aquaculture pond of claim 1, wherein the bottom of the water discharging tank (201) is stored with water, and the water surface is lower than the water discharging pipe (212) outside the water discharging tank; the mouths of the exhaust pipe (206), the main drainage pipe (207) and the overflow drainage pipe (210) are immersed under the water surface.

7. The device for automatically discharging the sewage and separating and collecting the dead shrimp and shrimp shells in the aquaculture pond according to any one of claims 1, 4, 5 and 6, wherein the automatic sewage discharging structure (2) comprises a drainage tank (201), a drainage tank water inlet pipe (202), a water level ascending inclined pipe (203), an auxiliary drainage pipe (204), an air chamber (205), an exhaust pipe (206), a main drainage pipe (207), a drainage water level adjusting pipe (208), an overflow water level adjusting pipe (209), an atmosphere communicating pipe (211), an overflow drainage pipe (210) and a drainage tank outer drainage pipe (212), and the structure formed by connecting the automatic sewage discharging structure with the aquaculture pond (3) can be independently applied to the drainage and sewage discharging of the aquaculture pond.

8. The device for automatically discharging sewage and separating and collecting dead shrimp and shrimp shells in the aquaculture pond is characterized in that the shrimp shell collecting structure (1) and the automatic sewage discharging structure (2) are connected and communicated with a water inlet pipe (202) of a water discharging tank through a collecting container water discharging pipe (105) and are also connected and communicated through an overflow water discharging pipe (210), the height difference exists between the shrimp shell collecting structure (1) and an air chamber (205) in the automatic sewage discharging structure (2), and the air chamber (205) is slightly lower than the shrimp shell collecting structure (1).