CN212770055U

CN212770055U - Biochemical treatment system for breeding tail water

Info

Publication number: CN212770055U
Application number: CN202021532948.9U
Authority: CN
Inventors: 蒲德成
Original assignee: Agricultural And Rural Committee Of Wuxi County
Current assignee: Agricultural And Rural Committee Of Wuxi County
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-23
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a biochemical treatment system for culture tail water, which comprises a water biochemical treatment tank body, wherein the interior of the water biochemical treatment tank body is divided into a biochemical aeration area and a biological brush area by a clapboard, a packed bed is arranged at the bottom in the biochemical aeration area, biological fillers are arranged in the packed bed, an aeration device is arranged at the bottom of the lower side of the packed bed, a water delivery channel is arranged between the biochemical aeration area and the biological brush area, a biological filtering brush is arranged at the bottom in the biological brush area, a water inlet pipe orifice and a water outlet pipe orifice are respectively arranged at two sides of the upper end of the water biochemical treatment tank body, the tail water after sedimentation and filtration treatment firstly enters a biochemical reaction tank and then passes through the biological brush area, rich nutrient substances in the tail water are fully aerated and fully degraded by a biological film, the biochemical treatment effect is better, and the construction is simple, the operation is stable, and the system maintenance is simple.

Description

Biochemical treatment system for breeding tail water

Technical Field

The utility model relates to a water treatment technical field specifically is a breed tail water biochemical treatment system.

Background

Fresh water pond culture is one of the main modes of aquaculture production in China, the position in aquaculture in China is extremely important, and the total yield of fresh water culture in 2019 reaches 5849.6 billion yuan. The annual yearbook of the national fishery statistics in 2019 shows that the area of a freshwater aquaculture pond in 2018 in the whole country is 266.84 kilo hectares, which accounts for 51.82% of the total area of the freshwater aquaculture, the aquaculture yield of the freshwater pond is 2210.97 ten thousand tons, and the aquaculture yield of the freshwater aquaculture pond accounts for 74.70% of the total yield of the freshwater aquaculture. With the continuous development and progress of aquaculture production technology, the aquaculture density of a fresh water pond is greatly increased, and in addition, a large amount of artificial feed is used, a large amount of excrement and residual bait are generated in the aquaculture process, so that the environment of the water body of the pond is worsened, a large amount of water needs to be changed, the generation of pond aquaculture tail water is aggravated, and the tail water amount to be treated is also greatly increased. At present, the phenomenon that culture tail water is directly discharged without being treated still exists, and the ecological environment is influenced; the existing tail water treatment mode has some defects, such as that the ecological ditch and plant floating bed treatment method is greatly influenced by the growth season of aquatic plants, a static precipitation method cannot remove water-soluble nutrient-rich substances, a chemical agent method, a full mechanical equipment treatment method and a treatment method which needs a large amount of water lifting and oxygen increasing for many times have overhigh cost, and meanwhile, the tail water treatment characteristics of the aquaculture pond are different due to the influence of culture varieties, the geographical environment of the aquaculture pond and other factors.

The existing culture tail water biochemical treatment system has poor tail water biochemical treatment efficiency, complex construction, poor operation stability and inconvenient system maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a breed tail water biochemical treatment system to solve current breed tail water biochemical treatment system, tail water biochemical treatment efficiency is relatively poor, and the construction is complicated moreover, and operating stability is poor, the inconvenient problem of system maintenance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a breed tail water biochemical treatment system, includes aquatic biochemical treatment cell body, inside biochemical aeration district and the biological brush district of being divided into through the baffle of aquatic biochemical treatment cell body, the packed bed is installed to the bottom in biochemical aeration district, packed bed internally mounted has the biofilm carrier, aeration equipment is installed to the bottom of the pool of packed bed downside, be provided with water delivery channel between biochemical aeration district and the biological brush district, the biofiltration brush is installed to the bottom in the biological brush district, water inlet pipe and outlet pipe are installed respectively to water biochemical treatment cell body upper end both sides.

Furthermore, the outer side of the packed bed is fixedly connected with the inner wall of the aquatic biochemical treatment tank body through a support shaft.

Furthermore, the aeration device comprises an aeration disc, and the lower end of the aeration disc is connected with an aeration fan through an aeration pipe.

Furthermore, a filter screen is arranged in the water delivery channel, and a first valve is arranged on the water delivery channel.

Furthermore, a second valve is arranged on the water inlet pipe orifice and the water outlet pipe orifice.

Furthermore, 3-5 rows of the biological filtering brushes are erected along the cross section of the water flow.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses tail water through sediment filtration treatment at first gets into biochemical aeration district, passes through biological brush district again, and rich nutrient substance in the tail water is through abundant aeration oxygenation and biofilm abundant degradation, and biochemical treatment is effectual, and the construction is simple moreover, operates steadily, the system maintenance is simple.

The utility model discloses and erect 3-5 rows along the section of rivers through the biofiltration brush, be convenient for carry out abundant filtration treatment to the water, filtration efficiency is higher.

Drawings

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

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

Fig. 2 is a schematic view of the overall structure of the biofiltration brush of the present invention.

Fig. 3 is a schematic diagram of the structure of the packed bed of the present invention.

In the figure: 1. a biochemical aeration zone; 2. a biological brush zone; 3. a water inlet pipe orifice; 4. a water outlet pipe orifice; 5. biological fillers; 6. a support shaft; 7. a packed bed; 8. an aeration disc; 9. an aeration pipe; 10. an aeration fan; 11. a water delivery channel; 12. a filter screen; 13. a first valve; 14. a biological filtration brush; 15. a second valve.

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.

Referring to fig. 1-3, in an embodiment of the present invention, a cultivation tail water biochemical treatment system includes a water biochemical treatment tank body, the interior of the water biochemical treatment tank body is divided into a biochemical aeration zone 1 and a biological brush zone 2 by a partition board, so as to perform aeration and oxygenation and sufficient degradation treatment of biological films on cultivation tail water, a packed bed 7 is installed at the bottom of the biochemical aeration zone 1, a biological filler 5 is installed inside the packed bed 7, so as to perform biodegradation treatment on tail water, an aeration device is installed at the bottom of the tank below the packed bed 7, a water delivery channel 11 is arranged between the biochemical aeration zone 1 and the biological brush zone 2, a biological filtration brush 14 is installed at the bottom of the biological brush zone 2, the device is used for filtering and treating culture tail water biological membranes, and a water inlet pipe orifice 3 and a water outlet pipe orifice 4 are respectively arranged on two sides of the upper end of the aquatic treatment tank body, so that tail water can be conveniently discharged.

Preferably, the outer side of the packed bed 7 is fixedly connected with the inner wall of the aquatic biochemical treatment tank body through a support shaft 6.

Preferably, the aeration device comprises an aeration disc 8, and the lower end of the aeration disc 8 is connected with an aeration fan 10 through an aeration pipe 9, so as to facilitate aeration treatment.

Preferably, a filter screen 12 is installed inside the water delivery channel 11, and a first valve 13 is installed on the water delivery channel 11, so as to control the opening and closing of the water delivery channel 11.

Preferably, the water inlet pipe orifice 3 and the water outlet pipe orifice 4 are provided with second valves 15, which are convenient for controlling the opening and closing of the water inlet pipe orifice 3 and the water outlet pipe orifice 4.

Preferably, 3-5 rows of biological filtering brushes 14 are erected along the cross section of the water flow, so that the water body can be fully filtered, and the filtering efficiency is high.

The utility model discloses a theory of operation and use flow: tail water after sedimentation and filtration treatment firstly enters a biochemical aeration area 1 of a water biochemical treatment tank body from a water inlet 3 and then enters a biological hairbrush area 2 through a water delivery channel 11, rich nutrient substances in the tail water are fully aerated and fully degraded through a biological membrane, the biochemical treatment effect is good, the construction is simple, the operation is stable, and the system maintenance is simple; moreover, 3-5 rows of biological filtering brushes 14 are erected along the section of the water flow, so that the water body can be fully filtered, and the filtering efficiency is high. And under the condition that the floating bed is good, the aeration device can be suspended or not started, so that the energy consumption is saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a breed tail water biochemical treatment system, includes aquatic biochemical treatment cell body, its characterized in that: the inside biochemical aeration district (1) and biological brush district (2) of divideing into through the baffle of water biochemical treatment cell body, packed bed (7) are installed to the bottom in biochemical aeration district (1), packed bed (7) internally mounted has biofilm carrier (5), aeration equipment is installed to the bottom in the pond of packed bed (7) downside, be provided with water delivery passageway (11) between biochemical aeration district (1) and biological brush district (2), biological filtration brush (14) are installed to the bottom in biological brush district (2), water inlet pipe mouth (3) and outlet pipe mouth (4) are installed respectively to water biochemical treatment cell body upper end both sides.

2. The biochemical treatment system for aquaculture tail water according to claim 1, characterized in that: the outer side of the packed bed (7) is fixedly connected with the inner wall of the aquatic biochemical treatment tank body through a support shaft (6).

3. The biochemical treatment system for aquaculture tail water according to claim 1, characterized in that: the aeration device comprises an aeration disc (8), and the lower end of the aeration disc (8) is connected with an aeration fan (10) through an aeration pipe (9).

4. The biochemical treatment system for aquaculture tail water according to claim 1, characterized in that: a filter screen (12) is installed inside the water delivery channel (11), and a first valve (13) is installed on the water delivery channel (11).

5. The biochemical treatment system for aquaculture tail water according to claim 1, characterized in that: and the water inlet pipe orifice (3) and the water outlet pipe orifice (4) are provided with second valves (15).

6. The biochemical treatment system for aquaculture tail water according to claim 1, characterized in that: the biological filtering brushes (14) are erected along the section of the water flow for 3-5 rows.