CN117337797A - Method and system for separating and removing shrimp shells and particles in shrimp circulating water culture pond - Google Patents

Abstract

The invention discloses a method and a system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond, which relate to the technical field of shrimp circulating water culture equipment of penaeus vannamei and comprise a culture pond, wherein a discharge port is arranged in the middle of the bottom of the culture pond, a drain pipe is connected below the discharge port, the other end of the drain pipe is connected with a wastewater treatment subsystem, a drain grate is arranged above the discharge port, a through hole I is arranged on the drain grate, the upper part of the drain grate is connected with a side-discharge collector through a siphon component, the siphon component is connected with an automatic lifting device, a filter component is arranged at the end side of a suction inlet of the siphon component, the side-discharge collector comprises a water return tank and a filter screen basket, the filter screen basket is arranged in the water return tank, an outlet of the siphon component is communicated with the filter screen basket, the water return tank is connected with a water return pipe, and the wastewater treatment subsystem is communicated with the culture pond through a pipeline, so that particle residues such as to quickly separate shell, dead shrimps, residual baits, excrement and the like generated in the culture process in the prior art of the penaeus vannamei circulating water culture pond.

Description

Method and system for separating and removing shrimp shells and particles in shrimp circulating water culture pond

Technical Field

The invention relates to the technical field of penaeus vannamei circulating water culture equipment, in particular to a method and a system for separating and removing shrimp shells and particles in a penaeus vannamei circulating water culture pond.

Background

At present, four cultivation modes of high-level pond shrimp cultivation, greenhouse running water shrimp cultivation, biological flocculation shrimp cultivation and closed industrial circulating water shrimp cultivation are adopted in the shrimp cultivation industry in China. The first three modes depend on adding algae, fungus and the like to regulate the water quality of the culture pond, but the tube drawing and pollution discharge are required every day, and the culture wastewater containing shrimp shells, dead shrimps, residual baits and feces is discharged into the external environment, so that the environmental pollution and disease transmission are caused, and a large amount of culture water and labor force are consumed. In addition, the biological flocculation shrimp culture mode needs to be operated by a manager with abundant experience, is difficult to master by a general person, and is also difficult to popularize in a large area. Due to the continuous increase of environmental pressure, closed industrial circulating water culture becomes a necessary choice for shrimp culture and the development direction of the future aquaculture industry.

However, the key problems for realizing the closed circulating water prawn culture are as follows: how to quickly separate molting, dead shrimps and particle residues (residual baits, feces and the like) generated in the cultivation process and prevent live shrimps from escaping. At present, in a domestic closed circulating water shrimp culture system, most culture ponds only have one drainage pipeline, so that molting, dead shrimps and particle residue waste are all discharged into external circulating water, the burden of the whole circulating water treatment system is increased, the disease occurrence rate is improved, and the growth and the yield of shrimps are influenced. Meanwhile, the live shrimps discharged from the culture pond cannot be recovered, and the loss in the culture process is increased.

Therefore, in order to develop the green and healthy industry of millions of shrimp industry, further intensive researches on separation and collection of molting, dead shrimps and particle residues (residual baits, feces and the like) in the industrial circulating water culture system of penaeus vannamei are needed to solve the problems.

Disclosure of Invention

In order to solve the problems, the invention provides an integrated device for separating and removing shrimp shells and particles in a shrimp circulating water culture pond, which can quickly separate shrimp shells, dead shrimps and particle residues (residual baits, faeces and the like) generated in the culture process, is convenient for collecting the shrimp shells and the dead shrimps, is connected to a wastewater treatment subsystem, and can intensively treat the wastewater containing the separated particle residues.

The invention aims at realizing the following technical scheme:

the integrated system for separating and removing shrimp shells and particles in the shrimp circulating water culture pond comprises a culture pond, wherein a discharge port is arranged in the middle of the bottom of the culture pond, a sewage drain pipe is connected below the discharge port, the other end of the sewage drain pipe is connected with a wastewater treatment subsystem, and a pneumatic valve is arranged on the sewage drain pipe; a blow-down grate matched with the discharge port is arranged above the discharge port, a through hole I for intercepting shrimp shells and dead shrimps through particles is formed in the blow-down grate, the upper part of the blow-down grate is connected with a side-discharge collector through a siphon component, an automatic lifting device is connected to the outside of the siphon component, which is close to the suction port end, a filter component is arranged at the suction port end side of the siphon component, the filter component comprises a cone-shaped open module, an interception net barrel and a pipe fitting, the open module is fixedly glued with the pipe fitting, the open module and the interception net barrel are connected through a flange, the whole body of the interception net barrel is uniformly provided with a through hole II, the automatic lifting device is used for lifting the siphon component or embedding the filter component into the discharge port after the siphon component is lowered,

the side-discharge collector comprises a water return tank and a filter screen basket, wherein the filter screen basket is arranged in the water return tank, an outlet of the siphon component is communicated with the filter screen basket, the water return tank outside the filter screen basket is also connected with a water return pipe, the water return pipe is connected with a wastewater treatment subsystem, and the wastewater treatment subsystem is communicated with the culture pond through a pipeline.

Further, the siphon pipe assembly comprises a siphon pipe, a hose and a bent pipe, and one end of the hose is communicated with the siphon pipe; the other end is communicated with the bent pipe, the suction inlet end of the siphon pipe is connected with the filtering component, the lower part of the siphon pipe is connected with the culture pond through the support hinged support, and the other end of the bent pipe is communicated with the filter screen basket of the side-discharge collector through the water level adjusting insertion pipe.

Furthermore, the highest point of the end of the water return pipe in the water return tank is slightly lower than the water outlet of the water level adjusting insertion pipe.

Further, the bottom of the interception net drum is provided with a skirt structure made of flexible materials.

Further, the automatic lifting device comprises a steel wire rope for traction and a winding component, a hanging piece is arranged above the end part of the siphon, and one end of the steel wire rope is fixed on the culture pond; the other end passes through the hanging piece and then is connected with the winding component, and the automatic lifting device is matched with the hanging piece to lift or lower the siphon tube.

Further, the water level difference adjusting plug board component for limiting the water flow height in the culture pond is arranged at the position, close to the row of collectors, of the pool wall of the culture pond, the water level difference adjusting plug board component comprises a slot and a plug board, the slot is fixed at the overflow port of the culture pond through bolts, a plurality of strip-shaped through holes III are formed in the plug board, and the plug board is placed in the slot.

Further, the blowdown grate is horizontally arranged on a discharge port of the culture pond, the through holes I on the blowdown grate are strip-shaped leak holes, and the aperture is 2-4mm.

Further, the wastewater treatment subsystem comprises a micro-filter, a protein separator, a decarburization device and a biochemical tank.

Based on the integrated system for separating and removing the shrimp shells and the particulate matters in the shrimp circulating water culture pond, the invention also provides a method for separating and removing the shrimp shells and the particulate matters in the shrimp circulating water culture pond, which can realize the purpose: the shrimp shells, dead shrimps and particle residues (residual baits, feces and the like) generated in the cultivation process are quickly separated, so that the shrimp shells and the dead shrimps can be conveniently collected; second purpose is: can quickly and deeply clean sundries at the bottom of the pool. The method specifically comprises the following steps:

s1, opening a pneumatic valve on a sewage drain pipe, closing an automatic lifting device, embedding or clinging to a discharge port by a filtering component of a siphon pipe component, accumulating surrounding shrimp shells and dead shrimps near the sewage drain grate and the siphon pipe, enabling particles such as excrement, residual bait and the like to enter the sewage drain pipe through a through hole I on the sewage drain grate, and then sending the particles into a wastewater treatment subsystem;

s2, after the step S1 is operated for a certain time, closing a pneumatic valve on a sewage drain pipe, starting an automatic lifting device, lifting the end side of a suction inlet of a siphon pipe assembly connected with the automatic lifting device by 5-10cm, forming an opening by a filtering assembly of the siphon pipe assembly and a bottom sewage draining grate, enabling shrimp shells and dead shrimps converged above the sewage draining grate and near the siphon pipe to enter a side-drain collector through the siphon pipe assembly, intercepting the shrimp shells and the dead shrimps in a filter screen basket, and sending a part of water from a water return pipe to a wastewater treatment subsystem through an overflow filter screen basket, wherein the shrimp shells and the dead shrimps collected in the filter screen basket are concentrated;

s3, after the step S2 is operated for a certain time, the automatic lifting device is closed, the siphon pipe assembly is lowered, and the filtering assembly is reset, so that the separation and removal process of shrimp shells and particles is completed;

s4, the wastewater treatment subsystem intensively treats the wastewater sent in the steps S1 and S2 and returns the wastewater to the culture pond through a pipeline after the wastewater meets the culture water requirement;

and S5, repeating the steps S1-S2 for one to three times when the sundries at the bottom of the pool are required to be deeply cleaned.

The beneficial effects of this technical scheme are as follows:

1. the invention provides an integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond, which comprises a culture pond, a drain pipe, a siphon pipe assembly, a side-discharge collector, an automatic lifting device and other components, wherein the middle part of the pond bottom is provided with a discharge outlet, a filter assembly is arranged at the suction inlet end of the siphon pipe assembly, the discharge outlet is provided with a drain grate, the siphon pipe assembly is connected with the automatic lifting device, and the rapid separation of the shrimp shells, dead shrimps, residual baits, excrement and other particles is realized by intermittently opening a pneumatic valve and the automatic lifting device on the drain pipe, so that the shrimp shells and dead shrimps are also conveniently collected in a concentrated manner. In this scheme, the water that gets into in the wet return is relatively clean, can directly send back to the breed pond in, and the waste water quality of taking the particulate matter that the blow off pipe sent is relatively poor, need send to send to the breed pond after the waste water treatment subsystem carries out the treatment again. In this scheme, all insert waste water treatment subsystem entry end with wet return and blow off pipe, handle sewage, can make the quality of water in the breed pond keep better state as far as possible, such structural design can select in whether inserting waste water treatment subsystem with the wet return according to the specific condition. The drainage port top is equipped with the blowdown comb that matches with the drainage port, and the side row collector is connected through siphon subassembly to blowdown comb top, and the side row collector includes water return tank and filter screen basket, and in the water return tank was arranged in to the filter screen basket, the export intercommunication filter screen basket of siphon subassembly, the water return tank outside the filter screen basket still is connected with the wet return, can intercept big massive waste materials such as shrimp shell, dead shrimp through the blowdown comb, through-hole I on the granule accessible blowdown comb such as incomplete bait, excrement and urine. When a pneumatic valve on the blow-down pipe is opened, the particle waste materials such as residual baits, faeces and the like can be discharged into the wastewater treatment subsystem for centralized treatment through the blow-down pipe; after the pneumatic valve is closed, the end side of the siphon assembly, which is contacted with the discharge port, is lifted by the automatic lifting device, the waste materials such as shrimp shells, dead shrimps and the like are brought into the filter screen basket of the side-discharge collector by the siphon assembly, the filter screen basket can intercept the shrimp shells and the dead shrimps, the intercepted individual live shrimps are manually returned to the culture pond, a water return tank outside the filter screen is connected with a water return pipe, and water is conveyed to the next wastewater treatment subsystem through the water return pipe or directly returned to the culture pond. The shrimp shell and the particulate matters can be separated, collected and removed respectively, the centralized treatment of the part of waste materials is convenient, the post-treatment difficulty is reduced, the water consumption is reduced, the classified waste materials can be centralized treated, the bacterial breeding is avoided, and the disease occurrence rate is reduced.

2. The invention has smart structure, convenient operation, low requirement on corresponding staff and convenient popularization.

3. In the invention, the siphon assembly is composed of a plurality of parts such as a siphon, a hose, a bent pipe and the like, wherein the siphon is connected with the culture pond through a support hinged support, so that an adjusting path of the siphon can be limited, the siphon is ensured to be at a preset position in the ascending and descending processes, the collecting and removing effects of shrimp shells and particles are ensured, the siphon is communicated with the bent pipe through the hose, the other end of the bent pipe is communicated with a filter screen basket of a side-discharge collector through a water level adjusting cannula mainly for facilitating the action of the siphon, and the water level adjusting cannula can facilitate the adjustment of the liquid level.

4. According to the invention, by intermittently starting the pneumatic valve and the automatic lifting device, the automatic separation of the shrimp shells, dead shrimps, residual baits, faeces and other particles can be realized, and the purpose of cleaning the bottom of the pond can also be realized.

5. In the invention, the wastewater treatment subsystem comprises a micro-filter, a protein separator, a decarburization device and a biochemical tank, and can intensively treat wastewater sent from the front end of a blow-down pipe and the like to reach the standard of aquaculture water, and then send the wastewater back to the aquaculture tank through a pump and a pipeline, thereby realizing the recycling of the wastewater and reducing the consumption of tap water.

Drawings

FIG. 1 is a schematic diagram of a part of an integrated system for separating and removing shrimp shells and particulate matters in a shrimp circulating water culture pond.

Fig. 2 is a system connection schematic of the integrated system in the present invention.

FIG. 3 is a schematic view of the partial structure of the siphon end, blowdown grate, etc. components in an integrated system.

Fig. 4 is an enlarged view of a portion a in fig. 3.

FIG. 5 is a partial cross-sectional view of the siphon head, the blowdown grate, and the like.

Fig. 6 is an enlarged view of a portion B in fig. 5.

FIG. 7 is a partial schematic view of the location of the side collector and water head adjusting insert plate assembly in an integrated system.

Fig. 8 is an enlarged view of a portion C in fig. 7.

Fig. 9 is a system connection schematic of an integrated system of another embodiment.

Wherein: 1. a culture pond; 2. a discharge port; 3. a blow-down pipe; 4. a wastewater treatment subsystem; 5. a pneumatic valve; 6. a sewage discharging grate; 7. a siphon tube assembly; 8. a side row collector; 9. an automatic lifting device; 10. a filter assembly; 11. a water return pipe; 12. a support hinge support; 13. a skirt structure; 14. a hanging piece; 15. the water level difference adjusting plugboard assembly; 16. a water level adjusting insertion tube; 4.1, a micro-filter; 4.2, a protein separator; 4.3, decarburizing device; 4.4, a biochemical pool; 6.1, through holes I; 7.1, siphon; 7.2, hose; 7.3, bending the pipe; 8.1, a water return tank; 8.2, a filter screen basket; 9.1, a steel wire rope; 9.2, a winding component; 10.1, open the module; 10.2, intercepting a net drum; 10.3, pipe fittings; 15.1, a slot; 15.2, inserting plates; 10.1.1, a bar-shaped hole; 10.2.1, through hole II; 15.2.1, through hole iii.

Detailed Description

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the invention thereto, but to limit the invention thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the invention.

Example 1

The embodiment is a most basic implementation mode, and relates to an integrated system for separating and removing shrimp shells and particulate matters in a shrimp circulating water culture pond, which belongs to the technical field of shrimp circulating water culture equipment of penaeus vannamei, and referring to fig. 1-4, the integrated system comprises a culture pond 1, wherein a discharge port 2 is arranged in the middle of the bottom of the culture pond 1, a sewage drain pipe 3 is connected below the discharge port 2, the other end of the sewage drain pipe 3 is connected with a wastewater treatment subsystem 4, and a pneumatic valve 5 is arranged on the sewage drain pipe 3; a blow-down grate 6 matched with the discharge port 2 is arranged above the discharge port 2, a through hole I6.1 for intercepting shrimp shells and dead shrimps through particles is formed in the blow-down grate 6, a side-discharge collector 8 is connected above the blow-down grate 6 through a siphon component 7, an automatic lifting device 9 is connected to the outside of the siphon component 7 close to the suction port end, a filter component 10 is arranged on the suction port end side of the siphon component 7, the filter component 10 comprises a cone-shaped open module 10.1, an interception net barrel 10.2 and a pipe fitting 10.3, the open module 10.1 is fixedly glued with the pipe fitting 10.3, the open module 10.1 and the interception net barrel 10.2 are connected through flanges, through holes II 10.2.1 are uniformly distributed on the whole body of the interception net barrel 10.2, preferably, strip-shaped holes 10.1.1 are formed in the open module 10.1, the strip-shaped holes 10.1.1 are distributed in a radial shape, the automatic lifting device 9 is used for lifting the component 7 or embedding the siphon filter component 10 into the discharge port 2 after the siphon component 7 is lowered,

in this embodiment, the side-discharge collector 8 includes a water return tank 8.1 and a filter screen basket 8.2, the filter screen basket 8.2 is arranged in the water return tank 8.1, the outlet of the siphon component 7 is communicated with the filter screen basket 8.2, the water return tank 8.1 outside the filter screen basket 8.2 is also connected with a water return pipe 11, the water return pipe 11 is connected with the wastewater treatment subsystem 4, and the wastewater treatment subsystem 4 is communicated with the culture pond 1 again through a pipeline.

By using the integrated system, the shrimp shells, dead shrimps and particle residues (residual baits, feces and the like) generated in the culture process can be rapidly separated, the shrimp shells and the dead shrimps can be conveniently collected, and the specific operation steps are as follows:

the first step: the pneumatic valve 5 on the blow-down pipe 3 is opened, the automatic lifting device 9 is closed, the filtering component 10 connected with the siphon component 7 is embedded into or clung to the discharge port 2, negative pressure exists at the bottom row, surrounding shrimp shells and dead shrimps are gathered near the blow-down grate 6 and the siphon 7.1, and particles such as excrement, residual bait and the like enter the blow-down pipe 3 through the through holes I6.1 on the blow-down grate 6 and then are sent into the wastewater treatment subsystem 4;

and a second step of: after 30 s-2 minutes of operation, closing a pneumatic valve 5 on a sewage drain pipe 3, starting an automatic lifting device 9, lifting the end side of a suction inlet of a siphon pipe assembly 7 connected with the automatic lifting device 9 by 5-10cm, forming an opening by a filter assembly 10 of the siphon pipe assembly 7 and a bottom sewage drain grate 6, enabling shrimp shells and dead shrimps converged above the sewage drain grate 6 and near a siphon pipe 7.1 to enter a side-drain collector 8 through the siphon pipe assembly 7, intercepting the shrimp shells and the dead shrimps in a filter screen basket 8.2, conveying a part of water from a water return pipe 11 to a wastewater treatment subsystem 4 through an overflow filter screen basket 8.2, and carrying out centralized treatment on the shrimp shells and the dead shrimps collected in the filter screen basket 8.2;

and a third step of: after the second step is operated for 10-30 seconds, the automatic lifting device 9 is closed, the siphon pipe assembly 7 descends, and the filtering assembly 10 resets, so that the shrimp shell and particulate matters are separated and removed;

fourth step: and the wastewater treatment subsystem 4 intensively treats the wastewater sent in the first step and the second step and returns the wastewater to the culture pond 1 through a pipeline after meeting the requirements of culture water, thereby realizing the recycling of the wastewater and saving water resources.

When the sundries at the bottom of the pool are required to be deeply cleaned, the first step and the second step are repeated for 1-3 times.

Example 2

This embodiment is a further optimization on embodiment 1, except that the siphon tube assembly 7 comprises a siphon tube 7.1, a hose 7.2 and a bent tube 7.3, wherein one end of the hose 7.2 is communicated with the siphon tube 7.1; the other end is communicated with the bent pipe 7.3, the suction inlet end of the siphon pipe 7.1 is connected with the filter assembly 10, the lower part of the siphon pipe 7.1 is connected with the culture pond 1 through the support hinged support 12, and the other end of the bent pipe 7.3 is communicated with the filter screen basket 8.2 of the side-discharge collector 8 through the water level adjusting insertion pipe 10.4.

Example 3

The difference between this embodiment and embodiment 1-2 is that the highest point of the end of the return water pipe 11 in the return water tank 8.1 is slightly lower than the water outlet of the water level adjusting insertion pipe 10.4.

Example 4

This embodiment differs from embodiments 1-3 in that, with reference to fig. 4, the bottom of the interception net drum 10.2 is provided with a skirt structure 13 made of flexible material.

Example 5

Compared with the embodiment 1-4, the embodiment is different in that the automatic lifting device 9 comprises a steel wire rope 9.1 for traction and a winding component 9.2, reference numbers 1,3 and 4 are arranged above the end part of the siphon pipe 7.1, a hanging piece 14 is arranged above the end part of the siphon pipe 7.1, and one end of the steel wire rope 9.1 is fixed on the culture pond 1; the other end passes through the hanging piece 14 and then is connected with the winding component 9.2, and the automatic lifting device 9 is matched with the hanging piece 14 to lift or lower the siphon pipe 7.1.

Example 6

Compared with the embodiment 1-5, the difference is that the position of the wall of the culture pond 1 close to the row collector 8 is provided with a water level difference adjusting plugboard assembly 15 for limiting the water level in the culture pond 1, and the water level difference adjusting plugboard assembly 15 comprises a slot 15.1 and a plugboard 15.2, the slot 15.1 is fixed at the overflow port of the culture pond 1 through bolts, a plurality of strip-shaped through holes III 15.2.1 are formed in the plugboard 15.2, and the plugboard 15.2 is placed in the slot 15.1.

Example 7

Compared with the embodiment 1-4, the difference is that referring to fig. 4, the blowdown grate 6 is horizontally placed on the discharge port 2 of the culture pond 1, the through hole I6.1 on the blowdown grate 6 is a strip-shaped leak hole, and the aperture is 2-4mm.

Example 8

This example differs from examples 1-5 in that, referring to fig. 9, the wastewater treatment subsystem 4 includes a micro-filter 4.1, a protein separator 4.2, a decarbonization device 4.3, and a biochemical tank 4.4.

Example 9

This embodiment takes the shrimp shell and particulate matter collecting and removing integrated system in the shrimp circulating water culture pond of the star anise culture pond currently in use as an example, and further describes the scheme.

Referring to figures 1,3-9, an integrated system for separating and removing shrimp shells and particulate matters in a shrimp circulating water culture pond 1 comprises a culture pond 1, wherein the octagonal culture pond 1 is formed in a concrete pouring mode, an overflow port is arranged on the inclined side surface, a round pit foundation is built at the center of the bottom, namely a discharge port 2 in the scheme, and a drain pipe 3 is embedded under the foundation of the discharge port 2. The other end of the sewage drain pipe 3 is connected with a wastewater treatment subsystem 4, a pneumatic valve 5 is arranged on the sewage drain pipe 3, and the pneumatic valve 5 on the sewage drain pipe 3 is connected with the sewage drain pipe 3 through a flange; the blowdown comb 6 that is equipped with discharge port 2 matching above the discharge port 2, blowdown comb 6 level is placed on 1 discharge port 2 of breed pond, has offered the through-hole I6.1 that is used for intercepting shrimp shell, dead shrimp through the particulate matter on the blowdown comb 6, and through-hole I6.1 on the blowdown comb 6 is the bar leak opening, and the aperture is 3mm, only can let particulate matters such as incomplete bait and excrement and urine pass through.

The upper part of the blowdown grate 6 is connected with a side-row collector 8 through a siphon pipe assembly 7, an automatic lifting device 9 is connected to the outside of the siphon pipe assembly 7, which is close to the suction inlet end, a filter assembly 10 is arranged on the suction inlet end side of the siphon pipe assembly 7, the filter assembly 10 comprises a cone-shaped open module 10.1, an interception net drum 10.2 and a pipe fitting 10.3, the open module 10.1 is fixedly glued with the pipe fitting 10.3, the open module 10.1 and the interception net drum 10.2 are connected through flanges, through holes II 10.2.1 are uniformly distributed on the whole body of the interception net drum 10.2, strip-shaped holes 10.1.1 are formed in the open module 10.1, and the strip-shaped holes 10.1.1 are distributed on the open module 10.1 in a radial mode. The inner surface of the cone mould opening piece 10.1 is a smooth conical surface of the mould opening, has ideal converging effect, is beneficial to absorbing shrimp shells and dead shrimps in a large area, and has the diameter of 600mm and the height of 120mm of the mould opening piece 10.1; the interception net drum 10.2 is uniformly provided with through holes II 10.2.1 with the diameter of 3mm and the edge spacing of 3mm, which plays a role in water-resisting shrimps, and the bottom of the net drum is provided with an interception structure of a skirt edge, namely, the skirt edge structure 13 mentioned in the scheme is made of flexible materials such as sponge or multifilament fishing net, which plays a role in compensating gaps, and the diameter of the interception net drum 10.2 is about 600mm and the height is about 140mm. The motion of the whole siphon tube assembly 7 is restrained by the revolute pair of the supporting hinged support 12, in a natural state, the skirt edge of the suction inlet end of the siphon tube 7.1 is attached to the discharge outlet 2, and under the action of external force, the suction inlet end, the pollution discharge grate 6 and the discharge outlet 2 can form openings. The automatic lifting device 9 is used for lifting the siphon tube assembly 7 or embedding the filter assembly 10 into the discharge port 2 after the siphon tube assembly 7 is lowered.

In this embodiment, the side row collector 8 includes the water return tank 8.1 and filter screen basket 8.2, and filter screen basket 8.2 is arranged in the water return tank 8.1, and the export intercommunication filter screen basket 8.2 of siphon subassembly 7, the water return tank 8.1 outside the filter screen basket 8.2 still is connected with wet return 11, and wet return 11 connects waste water treatment subsystem 4, and waste water treatment subsystem 4 communicates with breed pond 1 again through the pipeline, and waste water treatment subsystem 4 includes microfilter 4.1, protein separator 4.2, decarbonization device 4.3 and biochemical pond 4.4.

In this embodiment, the siphon tube assembly 7 includes a siphon tube 7.1, a hose 7.2, and a bent tube 7.3, wherein one end of the hose 7.2 is communicated with the siphon tube 7.1; the other end is communicated with the bent pipe 7.3, the suction inlet end of the siphon pipe 7.1 is connected with the filter assembly 10, the lower part of the siphon pipe 7.1 is connected with the culture pond 1 through the support hinge support 12, the siphon pipe 7.1 is welded and fixed with the support hinge support 12, and the support hinge support 12 is fixed with the bottom of the culture pond 1 through expansion bolts. The other end of the bent pipe 7.3 is communicated with a filter screen basket 8.2 of the side-discharge collector 8 through a water level adjusting insertion pipe 10.4, and then the bent pipe 7.1, the plastic rib hose 7.2, the bent pipe 7.3 and the water level adjusting insertion pipe 10.4 are communicated in series to form a whole pipeline.

In this embodiment, the highest point of the end of the water return pipe 11 in the water return tank 8.1 is slightly lower than the water outlet of the water level adjusting cannula 10.4.

In this embodiment, the automatic lifting device 9 is mainly used for lifting/lowering the siphon tube 7.1 and the filter assembly 10 of the siphon tube assembly 7, the automatic lifting device 9 includes a plastic coated steel wire rope 9.1 and a winding assembly 9.2 for traction, a hanging piece 14 is arranged above the end of the siphon tube 7.1, and one end of the steel wire rope 9.1 is fixed on the culture pond 1; the other end passes through the hanging piece 14 and then is connected with the winding component 9.2, and the automatic lifting device 9 is matched with the hanging piece 14 to lift or lower the siphon pipe 7.1. Under the cooperation of the steel wire rope 9.1, the hanging piece 14 and the siphon pipe assembly 7, the suction inlet end of the siphon pipe 7.1 is ensured to be positioned above the discharge outlet 2, so that when the siphon pipe 7.1 is conveniently lowered, the suction inlet of the siphon pipe 7.1 is accurately lowered into the discharge outlet 2. The winding component 9.2 is mainly used for assisting the winding and unwinding of the plastic coated steel wire rope 9.1 and comprises a power mechanism, a control wire, a pulley, a supporting seat and other components. Referring to fig. 3-4, the wire rope 9.1 and the winding assembly 9.2 of the automatic lifting device 9 cooperate to provide lifting force for the siphon pipe 7.1, so that the filtering assembly 10 connected with the siphon pipe 7.1 and the sewage discharging grate 6 form openings, and the opening distance is 5-10cm. When the power mechanism of the automatic lifting device 9 is closed, under the influence of the gravity of the pipe fitting 10.3, the steel wire rope 9.1 is lengthened, the rope knot is in descending motion and coincides with the ascending motion track, the siphon pipe 7.1 is driven to descend to reset, and the skirt edge at the tail end of the filtering component 10 is attached to the pollution discharge grate 6 again.

In this embodiment, the tank wall of the culture tank 1 is provided with a water level difference adjusting plugboard assembly 15 near the side row collector 8 for limiting the water level in the culture tank 1, the water level difference adjusting plugboard assembly 15 comprises a slot 15.1 and a plugboard 15.2, the slot 15.1 is fixed at the overflow port of the culture tank 1 through bolts, a plurality of strip-shaped through holes III 15.2.1 are formed in the plugboard 15.2, and the plugboard 15.2 is placed in the slot 15.1. Referring to fig. 1, 7-8, the slot 15.1 is fixed at the overflow port of the culture pond 1 by bolts, the plugboard 15.2 is provided with a plurality of through holes III 15.2.1, and the plugboard 15.2 is placed in the slot 15.1. Under the action of the water level difference adjusting plugboard assembly 15, the water level in the culture pond 1 is always higher than the water level in the pipeline, a siphon effect is generated in the pipeline of the siphon pipe 7.1, and as the automatic lifting device 9 is started, the tail end of the filtering assembly 10 and the pollution discharge grate 6 form an opening gap, and shrimp shells and dead shrimps are sucked into the siphon pipe assembly 7 from the opening gap and finally reach the filter screen basket 8.2.

In this embodiment, the height difference formed between the water passing height of the water level difference adjusting insert plate assembly 15 and the water outlet height of the water level adjusting insert pipe 10.4 can be adjusted by changing the water passing opening height of the insert plate 15.2 or inserting and extracting the water level adjusting insert pipe 10.4, the larger the height difference is, the more obvious the siphon effect is, the larger the negative pressure is generated at the suction inlet end of the siphon pipe assembly 7, and the adjustment can be performed according to the on-site cultivation requirement.

In the integrated system for separating and removing the shrimp shells and the particulate matters in the shrimp circulating water culture pond 1, two working modes of collecting and removing the shrimp shells, the particulate matters and other wastes in the shrimp circulating water culture pond 1 can be realized. Meanwhile, by using the integrated system, the conventional collection and removal mode can be realized, and sundries at the bottom of the pool can be deeply cleaned. The specific operation method is as follows:

s1, opening a pneumatic valve 5 on a sewage drain pipe 3, closing an automatic lifting device 9, embedding or clinging a filtering component 10 of a siphon pipe component 7 to a discharge port 2, enabling surrounding shrimp shells and dead shrimps to be converged near the sewage drain grate 6 and the siphon pipe 7.1, enabling particles such as excrement, residual bait and the like to enter the sewage drain pipe 3 through a through hole I6.1 on the sewage drain grate 6, and then sending the particles into a wastewater treatment subsystem 4;

s2, after the step S1 is operated for a certain time, a pneumatic valve 5 on the sewage drain pipe 3 is closed, an automatic lifting device 9 is started, the suction inlet end side of a siphon pipe assembly 7 connected with the automatic lifting device 9 is lifted by 5-10cm, a filtering assembly 10 of the siphon pipe assembly 7 and a bottom sewage drain grate 6 form openings, shrimp shells and dead shrimps converged above the sewage drain grate 6 and near the siphon pipe 7.1 enter a side-drain collector 8 through the siphon pipe assembly 7 and are intercepted in a filter screen basket 8.2, a part of water is sent to a wastewater treatment subsystem 4 from a water return pipe 11 through an overflow filter screen basket 8.2, and the shrimp shells and the dead shrimps collected in the filter screen basket 8.2 are concentrated;

s3, after the step S2 is operated for a certain time, the automatic lifting device 9 is closed, the siphon pipe assembly 7 is lowered, and the filter assembly 10 is reset, so that the shrimp shell and particulate matters are separated and removed;

s4, the wastewater treatment subsystem 4 intensively treats the wastewater sent in the steps S1 and S2 and sends the wastewater back to the culture pond 1 through a pipeline after the wastewater meets the culture water requirement;

and S5, repeating the steps S1-S2 for one to three times when the sundries at the bottom of the pool are required to be deeply cleaned.

Claims (9)

1. The utility model provides an integrated system of separation and removal of shrimp shell, particulate matter in shrimp circulating water culture pond which characterized in that: the sewage treatment device comprises a cultivation pond (1), wherein a discharge port (2) is arranged in the middle of the bottom of the cultivation pond (1), a sewage discharge pipe (3) is connected below the discharge port (2), the other end of the sewage discharge pipe (3) is connected with a wastewater treatment subsystem (4), and a pneumatic valve (5) is arranged on the sewage discharge pipe (3); a blowdown grate (6) matched with the discharge port (2) is arranged above the discharge port (2), a through hole I (6.1) for intercepting shrimp shells and dead shrimps through particles is formed in the blowdown grate (6), a side-discharge collector (8) is connected above the blowdown grate (6) through a siphon component (7), an automatic lifting device (9) is connected to the outside of the siphon component (7) close to the suction inlet end, a filter component (10) is arranged on the suction inlet end side of the siphon component (7), the filter component (10) comprises a cone-shaped die opening piece (10.1), an interception net barrel (10.2) and a pipe fitting (10.3), the die opening piece (10.1) is fixedly glued with the pipe fitting (10.3), the die opening piece (10.1) and the interception net barrel (10.2) are connected through a flange, a through hole II (10.2.1) is uniformly distributed on the whole body of the interception net barrel (10.2), the automatic lifting device (9) is used for lifting the siphon component (7), or the filter component (10) is embedded into the discharge port (2) after the siphon component (7) is lowered,

the side-discharge collector (8) comprises a water return tank (8.1) and a filter screen basket (8.2), wherein the filter screen basket (8.2) is arranged in the water return tank (8.1), an outlet of the siphon component (7) is communicated with the filter screen basket (8.2), the water return tank (8.1) outside the filter screen basket (8.2) is also connected with a water return pipe (11), the water return pipe (11) is connected with a wastewater treatment subsystem (4), and the wastewater treatment subsystem (4) is communicated with the culture pond (1) through a pipeline.

2. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the siphon pipe assembly (7) comprises a siphon pipe (7.1), a hose (7.2) and an elbow pipe (7.3), wherein one end of the hose (7.2) is communicated with the siphon pipe (7.1); the other end is communicated with the bent pipe (7.3), the suction inlet end of the bent pipe (7.1) is connected with the filter assembly (10), the lower part of the bent pipe (7.1) is connected with the culture pond (1) through the support hinged support (12), and the other end of the bent pipe (7.3) is communicated with the filter screen basket (8.2) of the side-discharge collector (8) through the water level adjusting insertion pipe (16).

3. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the highest point of the end of the water return pipe (11) in the water return tank (8.1) is slightly lower than the water outlet of the water level adjusting insertion pipe (16).

4. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the bottom of the interception net drum (10.2) is provided with a skirt edge structure (13) made of flexible materials.

5. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 2, wherein the integrated system is characterized in that: the automatic lifting device (9) comprises a steel wire rope (9.1) for traction and a winding assembly (9.2), a hanging piece (14) is arranged above the end part of the siphon (7.1), and one end of the steel wire rope (9.1) is fixed on the culture pond (1); the other end passes through the hanging piece (14) and then is connected with the winding component (9.2), and the automatic lifting device (9) is matched with the hanging piece (14) to lift or lower the siphon (7.1).

6. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the water level difference adjusting plug board assembly (15) for limiting the water level in the culture pond (1) is arranged at the position, close to the row collector (8), of the pond wall of the culture pond (1), the water level difference adjusting plug board assembly (15) comprises a slot (15.1) and a plug board (15.2), the slot (15.1) is fixed at the overflow port of the culture pond (1) through bolts, a plurality of strip-shaped through holes III (15.2.1) are formed in the plug board (15.2), and the plug board (15.2) is placed in the slot (15.1).

7. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the sewage draining grate (6) is horizontally arranged on the discharge outlet (2) of the cultivation pond (1), the through hole I (6.1) on the sewage draining grate (6) is a strip-shaped leak hole, and the aperture is 2-4mm.

8. The integrated system for separating and removing shrimp shells and particles in a shrimp circulating water culture pond according to claim 1, wherein the integrated system is characterized in that: the wastewater treatment subsystem (4) comprises a micro-filter (4.1), a protein separator (4.2), a decarburization device (4.3) and a biochemical tank (4.4).

9. A method for separating and removing shrimp shells and particles in a shrimp circulating water culture pond, which is characterized by comprising the following steps based on the integrated system as claimed in claim 1:

s1, opening a pneumatic valve (5) on a sewage drain pipe (3), closing an automatic lifting device (9), embedding or clinging to a discharge port (2) by a filtering component (10) of a siphon component (7), accumulating surrounding shrimp shells and dead shrimps near the sewage drain grate (6) and the siphon pipe (7.1), enabling particles such as excrement, residual bait and the like to enter the sewage drain pipe (3) through a through hole I (6.1) on the sewage drain grate (6), and then sending the particles into a wastewater treatment subsystem (4);

s2, after the step S1 operates for a certain time, closing a pneumatic valve (5) on the sewage drain pipe (3), starting an automatic lifting device (9), lifting the suction inlet end side of a siphon pipe assembly (7) connected with the automatic lifting device (9) by 5-10cm, forming an opening by a filtering assembly (10) of the siphon pipe assembly (7) and a bottom sewage drain grate (6), converging shrimp shells and dead shrimps above the sewage drain grate (6) and near the siphon pipe (7.1) into a side-drain collector (8) through the siphon pipe assembly (7), intercepting the shrimp shells and the dead shrimps in a filter screen basket (8.2), conveying a part of water from a water return pipe (11) to a wastewater treatment subsystem (4) through an overflow filter screen basket (8.2), and carrying out centralized treatment on the shrimp shells and the dead shrimps collected in the filter screen basket (8.2);

s3, after the step S2 is operated for a certain time, the automatic lifting device (9) is closed, the siphon tube assembly (7) is lowered, and the filter assembly (10) is reset, so that the shrimp shell and particulate matters are separated and removed;

s4, the wastewater treatment subsystem (4) intensively treats the wastewater sent in the steps S1 and S2 and returns the wastewater to the culture pond (1) through a pipeline after the wastewater meets the culture water requirement;

and S5, repeating the steps S1-S2 for one to three times when the sundries at the bottom of the pool are required to be deeply cleaned.