CN212713165U

CN212713165U - Aquaculture sewage purification system

Info

Publication number: CN212713165U
Application number: CN202021365340.1U
Authority: CN
Inventors: 石开于
Original assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Current assignee: Chongqing Water Doctor Environmental Protection Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-16
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an aquaculture sewage purification system, this system include and communicate ground breed pond, sedimentation tank, aeration oxidation pond and ecological purification pond in proper order, breed the pond with connect through the drainage canal between the sedimentation tank, be equipped with the pipe chute filler in the sedimentation tank, the delivery port of sedimentation tank is equipped with the overflow launder, the play water end of overflow launder is connected with the filter screen, the filter screen below is equipped with the catch basin, be equipped with the filtration dam between catch basin and the aeration oxidation pond, be equipped with the filter layer in the filtration dam, be equipped with the aeration pipe in the aeration oxidation pond, the aeration pipe is equipped with a plurality of aeration dishes, the aeration oxidation pond with ecological purification pond connects. The utility model discloses a clean system is through utilizing a large amount of ecological environment to purify sewage, and the water purification is with low costs, and the water purifier volume is big, and sets up the overflow launder and add the filter screen and can filter a large amount of suspended solids in the pond, creates good condition for water purification on next step.

Description

Aquaculture sewage purification system

Technical Field

The utility model relates to an aquaculture sewage treatment technical field specifically is an aquaculture sewage purification system.

Background

At present, the intensive aquaculture baits are intensively thrown to cause overlarge bait throwing amount, so that a large amount of solid wastes such as residual baits, excrement, secretion, corpses and the like are generated, so that the activity of microorganisms is enhanced and nutritive salt is regenerated, and under the condition of oxygen deficiency, water bottom sediments are decomposed to generate a large amount of harmful substances such as harmful gases (hydrogen sulfide, methane, ammonia and the like) and organic acids, so that the environmental pollution is caused. Therefore, the sewage needs to be effectively purified before being discharged.

The treatment of aquaculture wastewater currently has several forms: 1. the culture wastewater is greatly purified by adopting a large amount of mechanical purification equipment and water resources are recycled, so that the defects of high cost, high energy consumption, low popularization rate and low water treatment capacity are overcome. 2. The sewage is directly discharged into the sea or river without purification treatment, thus destroying the ecological environment and being not in line with the requirements of modern environment-friendly breeding industry. The above methods are not suitable for treating a large amount of wastewater in the culture process.

SUMMERY OF THE UTILITY MODEL

To the problem in the background art, the utility model provides an aquaculture sewage purification system is used for solving current aquaculture sewage treatment with high costs, the little technical problem of water treatment capacity.

In order to solve the technical problem, the utility model discloses solve and adopt following technical scheme to realize:

an aquaculture sewage purification system comprises a breeding pond, a sedimentation tank, an aeration oxidation tank and an ecological purification tank which are sequentially communicated, wherein the breeding pond is connected with the sedimentation tank through a drainage channel, inclined tube filler is arranged in the sedimentation tank, an overflow groove is arranged at a water outlet of the sedimentation tank, a filter screen is connected to the water outlet end of the overflow groove, a water collecting tank is arranged below the filter screen, a filter dam is arranged between the water collecting tank and the aeration oxidation tank, a filter layer is arranged in the filter dam, an aeration pipe is arranged in the aeration oxidation tank, a plurality of aeration discs are arranged on the aeration pipe, and the aeration oxidation tank is connected with the ecological purification tank.

Furthermore, a drain outlet is arranged at the bottom of the sedimentation tank.

Furthermore, aquatic plants are planted in the drainage channel and the ecological purification tank.

Further, the aquatic plant is one or more of eel grass, hydrilla verticillata, waterweed, water lily, reed, cattail, water chestnut, cress, lotus, cattail, water bamboo and iris.

Further, the filtering layer is any one of a rubble layer, a cobble layer and a ceramic particle layer.

Furthermore, filter feeding aquatic animals are cultured in the ecological purifying pond.

Further, the filter feeding aquatic animal is one or more of silver carp, bighead carp, freshwater mussel and river snail.

Furthermore, a fountain type aerator is also arranged in the ecological purification tank.

Further, the filter screen is a circular arc filter screen.

Furthermore, the discharge end of the filter screen is connected with a dirt collecting groove.

Through adopting foretell technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a clean system is through utilizing a large amount of ecological environment to purify sewage, and the water purification is with low costs, can satisfy emission standard to breeding sewage purification effectively, and the water purifier volume is big.

2. The utility model discloses a clean system adds the filter screen through setting up the overflow launder and can filter a large amount of suspended solids in the pond, creates good condition for water purification on next step.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

in the figure: the ecological sewage treatment system comprises a culture pond 1, a sedimentation tank 2, an aeration oxidation tank 3, an ecological purification tank 4, a drainage channel 5, an inclined tube filler 6, an overflow groove 7, a filter screen 8, a water collecting tank 9, a filter dam 10, a filter layer 11, an aeration pipe 12, an aeration disc 13, a sewage discharge outlet 14, a sewage collecting tank 15 and a fountain type aerator 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In an embodiment, referring to fig. 1, the present invention discloses an aquaculture sewage purification system, the system comprises a culture pond 1, a sedimentation tank 2, an aeration oxidation tank 3 and an ecological purification tank 4 which are communicated in sequence, the culture pond 1 is connected with the sedimentation tank 2 through a drainage channel 5, the sedimentation tank 2 is internally provided with an inclined tube filler 6 which accelerates the sedimentation of sludge, a sewage discharge outlet 14 is arranged at the bottom of the sedimentation tank 2, sludge is discharged through the sewage discharge outlet after sedimentation, an overflow trough 7 is arranged at the water outlet of the sedimentation tank 2, the water outlet end of the overflow trough 7 is connected with a filter screen 8, a water collecting tank 9 is arranged below the filter screen 8, the filter screen discharge end is connected with an album dirt groove 15, and the water in sedimentation tank 2 flows to filter screen 8 through overflow launder 7, and filter screen 8 is convex can be better send the suspended solid into album dirt groove 15, and rivers can effectively flow to lower catch basin 9.

Be equipped with between catch basin 9 and the aeration oxidation pond 3 and filter dam 10, be equipped with filter layer 11 in the filter dam, the filter layer is any one of metalling, cobble layer, the haydite layer, in this embodiment, selects the haydite layer, can filter quality of water further, and the haydite is lightweight, conveniently overturns and washs and low price.

An aeration pipe 12 is arranged in the aeration oxidation tank 3, the aeration pipe is provided with a plurality of aeration discs 13, and the aeration oxidation tank is connected with the ecological purification tank. Outside air enters through the aeration pipe 12, the aeration disc 13 aerates in a large quantity to oxygenate the anoxic water body, so that the oxidative decomposition of organic pollutants is accelerated, the water quality is improved, and finally the water body flows to the ecological purification tank.

Aquatic plants such as eel grass, hydrilla verticillata, waterweed, water lily, reed, cattail, water chestnut, water fennel, lotus, cattail, water bamboo, iris and the like are planted in the drainage channel 5 and the ecological purification tank 4, and the aquatic plants are planted in the drainage channel to primarily purify water flow. The aquatic plants in the ecological purification tank purify the water body finally, the water body stays in the tank body for 5-10 days, the aquatic plants can absorb nutrient substances including nitrogen, phosphorus and the like in the water body in the production process, the positive effect on relieving the eutrophication of the water body is achieved, and most of the aquatic plants can remove more than 90% of COD.

In this embodiment, filter feeding aquatic animals such as silver carp, bighead carp, freshwater mussel, and river snail are also cultured in the ecological purification tank 4. The organic debris and the phytoplankton are directly absorbed by the ecological purifying pond 4, and the underwater bioenergy is activated by the water activating equipment such as a fountain type aerator 19 and the like in the ecological purifying pond 4, so that the water body achieves the effect of re-purification, the harmful substances such as ammonia, nitrite, hydrogen sulfide and the like in the water body can be effectively reduced or eliminated, the dissolved oxygen amount of the water body is improved, the propagation of beneficial algae and the phytoplankton in the water body can be promoted, and the water quality is stabilized.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An aquaculture sewage purification system which characterized in that: the system comprises an aquaculture pond, a sedimentation tank, an aeration oxidation tank and an ecological purification tank which are sequentially communicated, wherein the aquaculture pond is connected with the sedimentation tank through a drainage channel, inclined tube filler is arranged in the sedimentation tank, an overflow groove is formed in a water outlet of the sedimentation tank, a filter screen is connected with a water outlet end of the overflow groove, a water collecting tank is arranged below the filter screen, a filter dam is arranged between the water collecting tank and the aeration oxidation tank, a filter layer is arranged in the filter dam, an aeration pipe is arranged in the aeration oxidation tank, the aeration pipe is provided with a plurality of aeration discs, and the aeration oxidation tank is connected with the ecological purification tank.

2. An aquaculture wastewater purification system according to claim 1, characterized in that: and a sewage discharge outlet is formed in the bottom of the sedimentation tank.

3. An aquaculture wastewater purification system according to claim 1, characterized in that: and aquatic plants are planted in the drainage channel and the ecological purification tank.

4. An aquaculture wastewater purification system according to claim 3, wherein: the aquatic plant is one or more of herba Swertiae Dilutae, HERBA ALBA, waterweed, rhizoma Phragmitis, herba Typhae, corm Eleocharitis, herba Oenanthes Javanicae, flos Nelumbinis, rhizoma Typhae, caulis Zizaniae Caduciflorae, and rhizoma Iridis Tectori.

5. An aquaculture wastewater purification system according to claim 1, characterized in that: the filtering layer is any one of a rubble layer, a cobble layer and a ceramic particle layer.

6. An aquaculture wastewater purification system according to claim 1, characterized in that: and filter feeding aquatic animals are also cultured in the ecological purifying pond.

7. An aquaculture wastewater purification system according to claim 6, wherein: the filter feeding aquatic animal is one or more of silver carp, bighead carp, freshwater mussel and river snail.

8. An aquaculture wastewater purification system according to claim 1, characterized in that: and a fountain type aerator is also arranged in the ecological purification tank.

9. An aquaculture wastewater purification system according to claim 1, characterized in that: the filter screen is a circular arc filter screen.

10. An aquaculture wastewater purification system according to claim 9, wherein: the discharge end of the filter screen is connected with a dirt collecting groove.