CN209931253U - Sewage collecting and discharging device for recirculating aquaculture - Google Patents

Sewage collecting and discharging device for recirculating aquaculture Download PDF

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Publication number
CN209931253U
CN209931253U CN201920408176.9U CN201920408176U CN209931253U CN 209931253 U CN209931253 U CN 209931253U CN 201920408176 U CN201920408176 U CN 201920408176U CN 209931253 U CN209931253 U CN 209931253U
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China
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sewage
discharging
water treatment
sewage collecting
pipeline
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CN201920408176.9U
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Inventor
牛守东
彭鹏
刘涛
程涛
翟永臣
高东民
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Henan Pushan Aquatic Technology Co Ltd
Henan Shuitou Huarui Aquatic Products Co Ltd
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Henan Pushan Aquatic Technology Co Ltd
Henan Shuitou Huarui Aquatic Products Co Ltd
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Abstract

The utility model discloses a sewage collecting and discharging device for circulating water culture, which comprises a water treatment pool and culture pools symmetrically arranged at two sides of the water treatment pool, wherein the culture pools are communicated with the water treatment pool through sewage pipes; a physical purification area, a biological purification area and a pump area are sequentially arranged in the water treatment pool; the pump area is communicated with the culture pond through a return pipe; a sewage collecting and discharging device is arranged in the physical purification area; the sewage collecting and discharging device comprises a sewage collecting device and a discharging device; the sewage discharging device comprises a carrying pipe, one end of the carrying pipe is communicated with the sewage collecting device, the other end of the carrying pipe is communicated with a sewage discharging pipeline outside the water treatment pool, and a water outlet of the sewage discharging pipeline leads to the breeding sewage recycling treatment system arranged outside. The utility model provides a batch production circulating water system running cost height, the difficult discharge of tiny granule, the big problem of breed sewage discharge, thereby it is extravagant to utilize the water pressure blowdown to reduce the energy.

Description

Sewage collecting and discharging device for recirculating aquaculture
Technical Field
The utility model relates to an industrialization breed aqueous purification technical field, concretely relates to recirculating water aquaculture is with dirty waste fitting discharging of collection.
Background
At the present stage, the culture of fishes and shrimps in China mainly takes semi-closed circulating water in an earth pond and a high-level pond and running water type circulating water culture as main parts, the problems of low yield, high culture risk, large water discharge, environmental pollution, ecological environment damage and the like exist, and the national state is vigorously regulating and banning the culture modes.
With the continuous development of industrial circulating water aquaculture, the improvement and the change of aquaculture modes bring more and more economic benefits, but the purification problem of aquaculture water in an aquaculture pond generally exists in a common aquaculture system, a large amount of sundries such as fish and shrimp excrement, aquatic weeds and feed residues can be generated in the aquaculture water after long-term use, the oxygen content in the aquaculture water is reduced, and the survival rate of the fish and shrimp is seriously influenced by a series of changes of the aquaculture water. The existing culture water is generally directly discharged to a sewer pipe, so that the environment is polluted, and the waste of water resources is caused; some aquaculture plants can carry out rough filtration with breed water, can filter large granule impurity, but the tiny granule of breeding in the water can't be detached, gathers gradually and can form silt in the bottom time of breeding the pond for a long time and make the bottom oxygen deficiency, influences the growth environment of fish shrimp, reduces the survival rate of fish shrimp.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an utilize pending water self pressure to breed the purification of water, blowdown effectual, the dirty waste fitting discharging of collection for recirculating water aquaculture that running cost is low with filth exhaust mode to the not enough of prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sewage collecting and discharging device for recirculating aquaculture comprises a water treatment tank and culture tanks symmetrically arranged on two sides of the water treatment tank, wherein the culture tanks are communicated with the water treatment tank through sewage pipes; a physical purification area, a biological purification area and a pump area are sequentially arranged in the water treatment pool; a submersible pump is arranged in the pump area, and the output end of the submersible pump is communicated with the culture pond through a return pipe; a filter screen is arranged between the physical purification area and the biological purification area, and a sewage collecting and discharging device is arranged in the physical purification area;
the sewage collecting and discharging device comprises a sewage collecting device and a discharging device, the sewage collecting device comprises sewage collecting pipelines arranged at the lower part of the water treatment pool and sewage suction pipelines symmetrically arranged at two sides of the sewage collecting pipelines and communicated with the sewage collecting pipelines through connecting pipes, and the sewage suction pipelines are positioned at the bottom of the water treatment pool; the number of the connecting pipes is at least one, and the connecting pipes are arranged in an upward inclined manner; at least one sewage inlet hole is respectively arranged on two sides of the bottom of the sewage suction pipeline; end covers are respectively arranged at two ends of the sewage suction pipeline and the sewage collection pipeline;
the sewage discharging device comprises a carrying pipe, one end of the carrying pipe is communicated with the sewage collecting pipeline, the other end of the carrying pipe is communicated with the sewage discharging pipeline outside the water treatment pool, the carrying pipe is located above the sewage discharging pipeline, and a water outlet of the sewage discharging pipeline leads to the breeding sewage recovery processing system which is externally arranged.
Aiming at the technical characteristics, the aquaculture water to be treated in the aquaculture tank enters a physical purification area of a water treatment tank through a sewage pipe, impurities in the aquaculture water to be treated gradually sink to the bottom of the tank in the water treatment tank, water can be automatically pressed into a sewage suction pipeline, a connecting pipe and a carrying pipe in sequence due to the pressure of the water, and the sewage enters a sewage discharge pipeline from the carrying pipe and finally enters a aquaculture sewage recovery treatment system by utilizing the siphon principle because the position of the carrying pipe is higher than that of the sewage discharge pipeline; the aquaculture sewage recycling and treating system is described in the Chinese patent with the application number of 201820989160.7, and the details are not described herein. The connecting pipe is obliquely arranged to facilitate the sewage to enter the sewage collecting pipeline; the structural design of the sewage collecting device can ensure that sewage on two sides of the sewage collecting device enters the sewage collecting device to uniformly absorb water in the water treatment pool, and can also be used for improving the stability of the sewage collecting device; the sewage inlet hole is used for enabling sewage in the water treatment tank to enter the sewage suction pipeline; the filter screen is used for preventing impurity entering biological purification district, makes cleaner water get into biological purification district to the removal of the harmful substance in biological purification district makes the water that is fit for breeding get into the pump district, is taken out the water in the pump district to breed the pond through the back flow by the immersible pump.
Preferably, the sewage collecting device is positioned in the middle of the water treatment tank, nano aeration pipelines are arranged at the bottom of the water treatment tank and at the positions on two sides of the sewage collecting device, and the nano aeration pipelines are connected with an external Roots blower through a soft air pipe. Because the sewage suction capacity of the sewage collection device is limited, the sewage at the positions 25-30cm away from the two sides of the sewage collection device can only be pressed into the sewage collection device by the pressure of water, the sewage outside the range can not be discharged, the nano aeration pipes are arranged at the two sides of the sewage collection device to play a role in stirring the sewage, and the sewage which can not be sucked by the sewage collection device is pushed into the range which can be absorbed by the sewage collection device, so that the sewage collection device is more favorable for improving the sewage removal effect of the whole physical purification area, and meanwhile, the oxygen content in the water can be increased, and the survival rate of fishes and shrimps is higher.
Preferably, a rotary drum micro-filter communicated with the culture pond is arranged above the interior of the physical purification area, a sewage outlet pipe in the rotary drum micro-filter is connected with a sewage discharge pipeline through a flexible hose, a water outlet of the rotary drum micro-filter is connected with an overflowing type ultraviolet sterilizer, and a water outlet of the overflowing type ultraviolet sterilizer leads to the interior of the water treatment pond. The rotary drum micro-filter is used for carrying out prefiltration with large granule debris such as the fish shrimp corpse in the breed sewage to disinfect through crossing STREAMING ultraviolet sterilizer, breed sewage emission to the physics purifying area with the pending that contains tiny particle impurity, tiny particle matter gathers through the collision, finally falls into the bottom of the pool in water treatment pond, discharges the debris of gathering at the bottom of the pool by dirty device of collection and waste fitting discharging, reaches the effect of scrubbing blowdown.
Preferably, the included angle between the connecting pipe and the bottom surface of the water treatment pool is 40-50 degrees. The design is more favorable for sundries to enter the sewage collecting pipeline and is favorable for discharging sewage.
Preferably, a solenoid valve for controlling discharge of sewage is provided on a carrying pipe located outside the water treatment tank. The electromagnetic valve is normally closed and is opened for 1-2 times every day in a timing mode to conduct centralized discharging.
Preferably, the carrying pipe is in an inverted U shape, and the vertical height of the carrying pipe is 18-20 cm. The vertical height can be designed to optimize the degree of sewage entering the sewage pipe, and when the water flow is too low, the water flow is too large, and the water is not discharged easily.
Preferably, the horizontal distance between the sewage suction pipeline and the sewage collection pipeline is 20-30 cm; the sewage collecting pipeline is at least one pipeline arranged side by side, and the length of each pipeline is 60-80 cm. When the pipeline is too long, the self pressure of water cannot be reached, and the flow of water entering the pipeline is too small, so that the sewage discharge effect is influenced; too short a pipe wastes resources.
Preferably, a biochemical ball is arranged in the biological purification area; bacterial colonies and algae seeds for removing ammonia nitrogen, nitrite and organic matters are distributed on the biochemical balls.
Preferably, the dirt inlet is planed by a polishing machine.
The utility model has the advantages that:
the utility model has better breeding effect and water treatment effect, and the physical purification area mainly takes the solid particle removal rate as the standard, which can reach more than 96 percent; the sterilization and disinfection effect is based on the killing rate of bacteria, and the killing rate can reach more than 99 percent; the biological purification effect is based on the daily nitrogen removal amount and can reach more than 5 kg; the cultivation effect of the cultivation box is mainly based on the maximum biological bearing capacity, and can reach 6000 kilograms; the utility model presses the bottom sewage into the sewage collecting device by the pressure of the water, and then flows the sewage in the sewage collecting device into the sewage discharging device according to the siphon principle, thereby saving energy; meanwhile, the water pressure has certain limitation, so that the sewage suction capacity of the sewage collection device has certain limitation, the most effective sewage suction effect is achieved by controlling the length of the sewage collection pipeline, the best sewage suction effect is ensured, and the highest sewage suction efficiency is also ensured; the nano aeration pipeline stirs the sewage which can not be absorbed by the sewage collecting device, so that the sewage is collected in a range which can be absorbed by the sewage collecting device, and the discharge of the whole sewage in the water treatment tank is promoted; in addition, the nano aeration pipeline can also aerate the water body through aeration, so that the basic requirement of cultured varieties on dissolved oxygen in the culture process can be ensured; the utility model discloses the structure sets up rationally, and is easy and simple to handle, has solved traditional farming systems running cost height, aquatic filth discharge difficulty, the big problem of blowdown volume.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a water treatment tank;
FIG. 3 is a schematic view showing the connection of the sewage collecting apparatus and the sewage discharging apparatus;
fig. 4 is a schematic structural diagram of the sewage suction pipeline.
In the figure: 1 water treatment tank, 2 culture ponds, 3 sewage pipes, 4 solenoid valves, 5 return pipes, 6 sewage suction pipes, 7 sewage collection pipes, 8 carrying pipes, 9 sewage discharge pipes, 10 connecting pipes, 11 end covers, 12 sewage inlet holes, 13 physical purification areas, 14 biological purification areas, 15 pump areas, 16 rotary drum micro-filters, 17 overflowing type ultraviolet sterilizers, 18 expansion hoses, 19 submersible pumps, 20 nanometer aeration pipelines and 21 filter screens.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example 1
As shown in fig. 1-4, a sewage collecting and discharging device for recirculating aquaculture comprises a water treatment tank 1 and culture tanks 2 symmetrically arranged at two sides of the water treatment tank 1, wherein the culture tanks 2 are communicated with the water treatment tank 1 through sewage pipes 3; a physical purification area 13, a biological purification area 14 and a pump area 15 are sequentially arranged in the water treatment pool 1; a filter screen 21 is arranged between the physical purification area 13 and the biological purification area 14; a rotary drum micro-filter 16 communicated with the culture pond 2 is arranged above the interior of the physical purification area 13, a sewage outlet pipe in the rotary drum micro-filter 16 is connected with a sewage discharge pipeline 9 through a flexible pipe 18, a water outlet of the rotary drum micro-filter 16 is connected with an overflowing type ultraviolet sterilizer 17, and a water outlet of the overflowing type ultraviolet sterilizer 17 leads to the interior of the water treatment pond 1.
The lower part of the physical purification area 13 is also provided with a sewage collecting and discharging device, the sewage collecting and discharging device comprises a sewage collecting device and a discharging device, the sewage collecting device is positioned at the middle position of the water treatment pool 1, the bottom of the water treatment pool 1 and the positions at the two sides of the sewage collecting device are provided with nano aeration pipelines 20, and the nano aeration pipelines 20 are connected with an external Roots blower through a hose.
The sewage collecting device comprises a sewage collecting pipeline 7 arranged at the lower part of the water treatment tank 1 and sewage sucking pipelines 6 symmetrically arranged at two sides of the sewage collecting pipeline 7 and communicated with the sewage collecting pipeline 7 through connecting pipes 10, and the sewage sucking pipelines 6 are positioned at the bottom of the water treatment tank 1; the number of the connecting pipes 10 is at least one, the connecting pipes are arranged in an upward inclined manner, and an included angle between each connecting pipe 10 and the bottom surface of the water treatment pool 1 is 40 degrees; at least one sewage inlet hole 12 is respectively arranged at two sides of the bottom of the sewage suction pipeline 6; the dirt inlet 12 is planed by a polisher. Two ends of the sewage suction pipeline 6 and two ends of the sewage collection pipeline 7 are respectively provided with an end cover 11; the horizontal distance between the sewage suction pipeline 6 and the sewage collection pipeline 7 is 20 cm; the sewage collecting pipeline 7 is at least one pipeline which is arranged side by side, and the length of each pipeline is 60 cm.
The sewage discharge device comprises a carrying pipe 8, one end of the carrying pipe 8 is communicated with the sewage collecting pipeline 7, the carrying pipe 8 is in an inverted U shape, and the vertical height of the carrying pipe 8 is 18-20 cm; the other end of the carrying pipe 8 is communicated with a sewage discharge pipeline 9 arranged outside the water treatment tank 1, the carrying pipe 8 is positioned above the sewage discharge pipeline 9, and an electromagnetic valve 4 for controlling sewage discharge is arranged on the carrying pipe 8 positioned outside the water treatment tank 1; and a water outlet of the sewage discharge pipeline 9 is communicated with an externally arranged breeding sewage recovery and treatment system.
The biological purification area 14 is provided with biochemical balls; bacterial colonies and algae seeds for removing ammonia nitrogen, nitrite and organic matters are distributed on the biochemical balls. A submersible pump 19 is arranged in the pump area 15, and the output end of the submersible pump 19 is communicated with the culture pond 2 through a return pipe 5.
The biochemical ball can be placed in the steel wire frame for fixing, and then placed in the biological purification area 14, so that the biochemical ball is prevented from moving.
Example 2
Compared with the embodiment 1, the difference of the embodiment is that the included angle between the connecting pipe 10 and the bottom surface of the water treatment pool 1 is 45 degrees, and the horizontal distance between the sewage suction pipeline 6 and the sewage collection pipeline 7 is 25 cm; the length of each pipe was 70cm, and other technical features were the same as those of example 1.
Example 3
Compared with the embodiment 1, the difference of the embodiment is that the included angle between the connecting pipe 10 and the bottom surface of the water treatment pool 1 is 50 degrees, and the horizontal distance between the sewage suction pipeline 6 and the sewage collection pipeline 7 is 30 cm; the length of each pipe is 80cm, and other technical characteristics are the same as those of the embodiment 1.
The embodiment 1 to the embodiment 3 have good dirt absorbing effect, and the dirt absorbing rate at the bottom of the pool reaches 91 to 96 percent.
The apparatus elements, connections, and controls referred to in the above embodiments are all conventional ones, and may be implemented, unless otherwise specified.
The utility model discloses concrete working method does: the method comprises the following steps that (1) aquaculture sewage to be treated in an aquaculture pond enters a rotary drum micro-filter in a water treatment pond through a sewage pipe, solid particles and sundries in the aquaculture sewage are filtered by the rotary drum micro-filter, then flow into an overflowing type ultraviolet sterilizer for sterilization and disinfection, then flow into the water treatment pond, fine particles are collided and gathered, finally fall to the bottom of the pond, and then are discharged into an aquaculture sewage recovery treatment system through a sewage collection device and a sewage discharge device; the purified aquaculture water reaches a biological purification area through a filter screen, harmful substances such as ammonia nitrogen, sub-salt, organic matters and the like in the aquaculture sewage are completely degraded under the action of a biochemical ball, so that the aquaculture sewage becomes aquaculture water harmless to fish, finally flows to a pump area, and is pumped back into an aquaculture water bag through a submersible pump.
The utility model provides a recirculating water aquaculture is with dirty waste fitting discharging's of collection treatment effect:
1. filtering capacity: the method is divided into physical filtering capacity and biological filtering capacity, and the physical filtering capacity is as follows: the treatment effect (mainly based on the solid particle removal rate) can reach more than 95 percent; biological filtration capacity: the treatment effect (mainly based on the nitrogen removal amount per day) can reach more than 5 kg.
2. Sterilization capability: can effectively kill harmful bacteria, and the killing rate of the harmful bacteria can reach more than 99 percent.
3. An oxygenation mode: aeration and oxygenation can ensure the basic requirement of cultured varieties on dissolved oxygen in the culture process.
4. The sewage draining effect in the water treatment tank is as follows: the treatment effect (mainly based on the sludge removal rate at the bottom of the tank) can reach more than 89%.
5. Continuous use time: can be used throughout the year.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. A sewage collecting and discharging device for recirculating aquaculture comprises a water treatment tank and culture tanks symmetrically arranged on two sides of the water treatment tank, wherein the culture tanks are communicated with the water treatment tank through sewage pipes; a physical purification area, a biological purification area and a pump area are sequentially arranged in the water treatment pool; a submersible pump is arranged in the pump area, and the output end of the submersible pump is communicated with the culture pond through a return pipe; the method is characterized in that: a filter screen is arranged between the physical purification area and the biological purification area, and a sewage collecting and discharging device is arranged in the physical purification area;
the sewage collecting and discharging device comprises a sewage collecting device and a discharging device, the sewage collecting device comprises sewage collecting pipelines arranged at the lower part of the water treatment pool and sewage suction pipelines symmetrically arranged at two sides of the sewage collecting pipelines and communicated with the sewage collecting pipelines through connecting pipes, and the sewage suction pipelines are positioned at the bottom of the water treatment pool; the number of the connecting pipes is at least one, and the connecting pipes are arranged in an upward inclined manner; at least one sewage inlet hole is respectively arranged on two sides of the bottom of the sewage suction pipeline; end covers are respectively arranged at two ends of the sewage suction pipeline and the sewage collection pipeline;
the sewage discharging device comprises a carrying pipe, one end of the carrying pipe is communicated with the sewage collecting pipeline, the other end of the carrying pipe is communicated with the sewage discharging pipeline outside the water treatment pool, the carrying pipe is located above the sewage discharging pipeline, and a water outlet of the sewage discharging pipeline leads to the breeding sewage recovery processing system which is externally arranged.
2. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the sewage collecting device is positioned in the middle of the water treatment tank, nano aeration pipelines are arranged at the bottom of the water treatment tank and positioned on two sides of the sewage collecting device, and the nano aeration pipelines are connected with an external Roots blower through a hose.
3. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: a rotary drum micro-filter communicated with the culture pond is arranged above the interior of the physical purification area, a sewage outlet pipe in the rotary drum micro-filter is connected with a sewage discharge pipeline through a flexible hose, a water outlet of the rotary drum micro-filter is connected with an overflowing type ultraviolet sterilizer, and a water outlet of the overflowing type ultraviolet sterilizer leads to the interior of the water treatment pond.
4. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the included angle between the connecting pipe and the bottom surface of the water treatment pool is 40-50 degrees.
5. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: and the carrying pipe positioned outside the water treatment tank is provided with an electromagnetic valve for controlling sewage discharge.
6. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the carrying pipe is in an inverted U shape, and the vertical height of the carrying pipe is 18-20 cm.
7. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the horizontal distance between the sewage suction pipeline and the sewage collection pipeline is 20-30 cm; the sewage collecting pipeline is at least one pipeline arranged side by side, and the length of each pipeline is 60-80 cm.
8. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the biological purification area is provided with a biochemical ball; bacterial colonies and algae seeds for removing ammonia nitrogen, nitrite and organic matters are distributed on the biochemical balls.
9. The sewage collecting and discharging device for the recirculating aquaculture of claim 1, wherein: the dirt inlet is planed by a polishing machine.
CN201920408176.9U 2019-03-28 2019-03-28 Sewage collecting and discharging device for recirculating aquaculture Active CN209931253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920408176.9U CN209931253U (en) 2019-03-28 2019-03-28 Sewage collecting and discharging device for recirculating aquaculture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920408176.9U CN209931253U (en) 2019-03-28 2019-03-28 Sewage collecting and discharging device for recirculating aquaculture

Publications (1)

Publication Number Publication Date
CN209931253U true CN209931253U (en) 2020-01-14

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Application Number Title Priority Date Filing Date
CN201920408176.9U Active CN209931253U (en) 2019-03-28 2019-03-28 Sewage collecting and discharging device for recirculating aquaculture

Country Status (1)

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CN (1) CN209931253U (en)

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