CN219259780U

CN219259780U - Tail water treatment device is bred in fishery

Info

Publication number: CN219259780U
Application number: CN202320104608.3U
Authority: CN
Inventors: 刘馥凌; 刘晓敏
Original assignee: People's Government Of Quanpu Town Liangshan County
Current assignee: People's Government Of Quanpu Town Liangshan County
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-27
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a fishery cultivation tail water treatment device which comprises a precipitation cavity, a filtering cavity, an oxidative decomposition cavity and an adsorption cavity which are sequentially communicated from left to right; the top of the sedimentation cavity is provided with a flocculating agent adding port; the top of the sedimentation cavity is communicated with a water inlet pipe, and a tail water lifting pump is fixedly connected on the water inlet pipe; the bottom of the adsorption cavity is communicated with a discharge pipe, and a valve is arranged on the discharge pipe; the interior of the sedimentation cavity is communicated with the top of the filter cavity through a first connecting pipe; the bottom of the filter cavity is communicated with the top of the oxidative decomposition cavity through a second connecting pipe; peristaltic pumps are arranged on the first connecting pipe and the second connecting pipe. Besides removing the sediment contained in the tail water, the utility model removes jelly in the tail water through flocculation, decomposes ammonia nitrogen, nitrite macromolecular organic matters and the like through oxidization, and adsorbs and biodegrades the decomposed micromolecular organic matters to achieve higher purification degree.

Description

Tail water treatment device is bred in fishery

Technical Field

The utility model belongs to the technical field of tail water treatment, and particularly relates to a tail water treatment device for fishery cultivation.

Background

Along with the continuous development of national economy, various industries have great progress, and fishery cultivation is one of them, and more people begin to pack the fishpond to perform cultivation. The traditional high-density aquaculture method can cause a large amount of residual baits and feces to be discharged into a water body, can cause eutrophication of water in a culture pond, and if the water cannot be effectively treated in time, not only worsen the aquaculture water environment, but also cause diseases of cultured animals such as fish, shrimp and crab to occur, and the quality and yield of cultured products are reduced; the tail water of breeding is discharged into the river, which can bring a certain negative effect to the natural water area environment, and the sustainable development is considered at the beginning of the current fishery breeding, so that the treatment and the recycling of the tail water of breeding are already key links for researching the sustainable development of the fishery breeding.

The utility model discloses a chinese patent with publication number CN216023636U discloses a fresh water fishery is bred and is used breed tail water processing apparatus, the power distribution box comprises a box body, the left side of box is close to bottom department and is equipped with the mounting panel, the top of mounting panel is close to rear side department and is equipped with the motor, the front side of motor is equipped with the pump body, be equipped with first bevel gear between motor and the pump body, the inner chamber fixed penetration of first bevel gear is equipped with the actuating lever, the rear end of actuating lever and the power take off end fixed connection of motor, the front end and the pump body of actuating lever are connected, the front side fixedly connected with inlet tube of the pump body, the top fixedly connected with outlet pipe of the pump body, the inner chamber left side fixedly connected with first sieve of box, the right side fixedly connected with second sieve of box, the left side fixedly connected with diaphragm of second sieve, diaphragm fixedly connected with is on the inner chamber left side wall of box, first right side and second sieve. The precipitated substances in the tail water are simply filtered to be discharged, and a large amount of organic matters, jelly and the like dissolved in the tail water are not treated, so that the discharged substances still pollute the environment in nature.

Therefore, a tail water treatment device for fishery cultivation is provided.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a fish culture tail water treatment device, which comprises: the sedimentation chamber, the filter chamber, the oxidative decomposition chamber and the adsorption chamber are sequentially communicated from left to right; a flocculating agent adding port is formed in the top of the sedimentation cavity; the top of the sedimentation cavity is communicated with a water inlet pipe, and a tail water lifting pump is fixedly connected to the water inlet pipe; the bottom of the adsorption cavity is communicated with a discharge pipe, and a valve is arranged on the discharge pipe; the interior of the sedimentation cavity is communicated with the top of the filter cavity through a first connecting pipe; the bottom of the filter cavity is communicated with the top of the oxidative decomposition cavity through a second connecting pipe; peristaltic pumps are arranged on the first connecting pipe and the second connecting pipe.

Preferably, the first connecting pipe is a hose, a floating ball is fixedly connected to the water inlet end of the first connecting pipe, a filler is filled in the floating ball, and the water inlet end of the first connecting pipe is in a V shape and fixedly connected with the floating ball.

Preferably, the bottom of the oxidative decomposition cavity is communicated with an ozone generator.

Preferably, the top ends of the connection wall surfaces of the oxidative decomposition cavity and the adsorption cavity are provided with overflow ports.

Preferably, the filter cavity is internally provided with a filter layer group, the filter layer group comprises a filter screen layer, a PP cotton layer and a biological filter layer which are sequentially arranged from top to bottom, and the filter screen layer, the PP cotton layer and the biological filter layer are separately arranged.

Preferably, the water outlet end of the first connecting pipe is positioned above the filter layer group; the water inlet end of the second connecting pipe penetrates through the filtering layer group.

Preferably, an adsorption group is arranged in the adsorption cavity; the adsorption group comprises an ecological carbon fiber filler layer and a biological activated carbon filter layer which are sequentially arranged from top to bottom.

Preferably, the bottom of the sedimentation cavity is conical and provided with a discharge hole.

Compared with the prior art, the utility model has the following advantages and technical effects: the tail water of the fishery cultivation is lifted to the inside of the sedimentation cavity by a tail water lifting pump through a water inlet pipe; adding a flocculating agent from a flocculating agent adding port, and enabling the tail water to carry out coagulating sedimentation reaction by the flocculating agent; waiting for a period of time to enable the flocculate, sediment and other heavier impurities in the sedimentation cavity to be sedimented at the bottom of the sedimentation cavity; then the first connecting pipe slowly pumps tail water above the sedimentation tank through the peristaltic pump to enter the filter cavity, so that the tail water is prevented from accumulating in the filter cavity due to the fact that water flows too fast and is filtered; filtering tail water in the filtering cavity layer by layer to remove suspended impurities in the tail water, and slowly conveying the tail water to the oxidative decomposition cavity at the same speed by a second connecting pipe through a peristaltic pump; ammonia nitrogen, nitrite and the like accumulated in tail water in the oxidative decomposition cavity are oxidized, and meanwhile, organic matters which are difficult to biodegrade are oxidized into micromolecular organic matters, so that the biodegradability of the micromolecular organic matters is improved, the micromolecular organic matters are easier to adsorb, the content of organic carbon and the concentration of chemical oxygen demand are reduced, various reducing pollutants in the tail water are removed, and the water quality is purified; then, the tail water enters the adsorption cavity through the overflow port, micromolecular organic matters, a large number of microorganisms and the like are adsorbed and gathered, residual oxidizing gas can be adsorbed, the tail water is further purified to reach the emission standard, the tail water reaching the standard is discharged from the discharge pipe, and the discharge of the tail water is controlled by the valve. Besides removing the sediment contained in the tail water, the colloidal substances are removed through flocculation, ammonia nitrogen, nitrite macromolecular organic matters and the like are decomposed through oxidization, and the decomposed micromolecular organic matters are adsorbed and biologically decomposed, so that the purification degree is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:

FIG. 1 is a schematic diagram of a fish farming tail water treatment device according to the present utility model;

FIG. 2 is an enlarged view of A in FIG. 1;

in the figure: 1. a sedimentation chamber; 2. a filter chamber; 3. an oxidative decomposition chamber; 4. an adsorption chamber; 5. a flocculant adding port; 6. a water inlet pipe; 7. tail water lift pump; 8. a bleed tube; 9. a valve; 10. a first connection pipe; 11. a second connection pipe; 12. a peristaltic pump; 13. a floating ball; 14. a filler; 15. an ozone generator; 16. an overflow port; 17. a filter screen layer; 18. a PP cotton layer; 19. a biological filter layer; 20. an ecological carbon fiber filler layer; 21. a biological activated carbon filter layer; 22. and a discharge port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-2, the present embodiment provides a fish farming tail water treatment apparatus, comprising: the sedimentation chamber 1, the filter chamber 2, the oxidative decomposition chamber 3 and the adsorption chamber 4 are sequentially communicated from left to right; a flocculating agent adding port 5 is formed in the top of the sedimentation cavity 1; the top of the sedimentation cavity 1 is communicated with a water inlet pipe 6, and a tail water lifting pump 7 is fixedly connected on the water inlet pipe 6; the bottom of the adsorption cavity 4 is communicated with a discharge pipe 8, and a valve 9 is arranged on the discharge pipe 8; the interior of the sedimentation cavity 1 is communicated with the top of the filter cavity 2 through a first connecting pipe 10; the bottom of the filter cavity 2 is communicated with the top of the oxidative decomposition cavity 3 through a second connecting pipe 11; peristaltic pumps 12 are arranged on the first connecting pipe 10 and the second connecting pipe 11.

The fish culture tail water is lifted to the inside of the sedimentation cavity 1 by a tail water lifting pump 7 through a water inlet pipe 6; adding a flocculating agent from a flocculating agent adding port 5, and enabling the flocculating agent to carry out coagulating sedimentation reaction on tail water; waiting for a period of time to enable the flocculate, sediment and other heavier impurities in the sedimentation cavity 1 to be sedimented to the bottom of the sedimentation cavity 1; then the first connecting pipe 10 slowly pumps tail water above the sedimentation tank through the peristaltic pump 12 to enter the filter cavity 2, so that the tail water is prevented from flowing fast and is not filtered so as to accumulate in the filter cavity 2; the tail water is filtered layer by layer in the filter cavity 2, suspended impurities in the tail water are filtered, and then the tail water is slowly conveyed into the oxidative decomposition cavity 3 at the same speed through the peristaltic pump 12 by the second connecting pipe 11; ammonia nitrogen, nitrite and the like accumulated in tail water in the oxidative decomposition cavity 3 are oxidized, and meanwhile, organic matters which are difficult to biodegrade are oxidized into micromolecular organic matters, so that the biodegradability of the micromolecular organic matters is improved, the micromolecular organic matters are easier to adsorb, the content of organic carbon and the chemical oxygen demand concentration are reduced, various reducing pollutants in the tail water are removed, and the water quality is purified; then, the tail water enters the adsorption cavity 4 through the overflow port 16, micromolecular organic matters, a large number of microorganisms and the like are adsorbed and gathered, residual oxidizing gas can be adsorbed, the tail water is further purified to reach the emission standard, the tail water reaching the standard is discharged from the discharge pipe 8, and the discharge of the tail water is controlled by the valve 9.

In a further optimized scheme, the first connecting pipe 10 is a hose, the water inlet end of the first connecting pipe 10 is fixedly connected with a floating ball 13, the inside of the floating ball 13 is filled with a filler 14, and the water inlet end of the first connecting pipe 10 is in a V shape and is fixedly connected with the floating ball 13.

Wherein the packing 14 can be manually increased, decreased, or replaced with a material of a different density until the float ball 13 can float on the sediment, half in the sediment and half in the clarified liquid after the tail water has been precipitated; thus, the water inlet of the first connecting pipe 10 is always kept at the bottom of the clarified liquid, and the clarified liquid after the tail water precipitation is extracted, so that the sediment at the bottom of the precipitation cavity 1 is avoided.

Further optimizing scheme, the bottom of the oxidative decomposition cavity 3 is communicated with an ozone generator 15.

The oxidative decomposition adopts ozone oxidative decomposition, ozone is used as one of the oxidizing agents with the strongest oxidizing property, most organic matters and inorganic matters in impurities can be oxidized, tail water can be disinfected, oxygen is generated after oxidation, and the device is clean and pollution-free.

In a further optimized scheme, the top end of the connecting wall surface of the oxidative decomposition cavity 3 and the adsorption cavity 4 is provided with an overflow port 16.

The overflow port 16 is arranged at the top of the oxidative decomposition cavity 3 and the adsorption cavity 4, so that not only can the tail water be transferred without a water pump, but also excessive overflowed ozone in the oxidative decomposition cavity 3 can enter the adsorption cavity 4 to be adsorbed, and the ozone can be prevented from directly entering the atmosphere to pollute the environment.

Further optimizing scheme is provided with the filter layer group in the filter chamber 2, and the filter layer group includes filter screen layer 17, PP cotton layer 18 and biological filter layer 19 that from the top down set gradually, and filter screen layer 17, PP cotton layer 18 and biological filter layer 19 are separately placed each other.

The filter screen layer 17 filters large particulate matters above 50 mu m, the PP cotton layer 184/500 meshes filters floaters above 20 mu m, and the biological filter layer 19 filters floaters below 20 mu m; and the filtration is more complete by adopting multi-layer filtration.

In a further optimization scheme, the water outlet end of the first connecting pipe 10 is positioned above the filter layer group; the water inlet end of the second connecting pipe 11 passes through the filter layer group.

The tail water needs to enter the filter cavity 2 from the upper part of the filter cavity 2, and then flows to the bottom of the filter cavity 2 through the filter layer group to be filtered, so that the water outlet end of the first connecting pipe 10 is positioned above the filter layer group, and the second connecting pipe 11 needs to penetrate through the filter layer group to extract the filtered tail water from the bottom of the filter cavity 2.

Further optimizing scheme, the adsorption cavity 4 is internally provided with an adsorption group; the adsorption group comprises an ecological carbon fiber packing layer 20 and a biological activated carbon filter layer 21 which are sequentially arranged from top to bottom.

The multi-layer filtration is still adopted to strengthen the filtration effect, the carbon fiber and the activated carbon can remove color and smell and absorb ozone; the activated carbon has the characteristics of large specific surface area and high porosity, so that the activated carbon can rapidly adsorb soluble organic matters in water and can collect a large amount of microorganisms in water. The microorganisms aggregated on the surface of the activated carbon can take the soluble organic matters as a nutrient source, and a large amount of aerobic microorganisms growing and propagating in the carbon bed can absorb and degrade small molecular organic matters. Thus, a layer of biological film with double functions of biological adsorption and oxidative degradation is formed on the surface of the activated carbon, which is called as biological activated carbon. The microorganisms and the activated carbon are mutually promoted to form a relative equilibrium state, and the regeneration period of the activated carbon is obviously prolonged.

Further optimizing scheme, the bottom of sedimentation chamber 1 sets up to the toper to discharge gate 22 has been seted up.

The sediment at the bottom of the sedimentation chamber 1 contains a large amount of nutrient substances, and can be discharged and collected from the discharge hole 22 for reuse. The bottom of the sedimentation chamber 1 is arranged to be conical in shape, which is more advantageous for sediment discharge.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A fish farming tail water treatment device, comprising: a sedimentation cavity (1), a filter cavity (2), an oxidative decomposition cavity (3) and an adsorption cavity (4) which are sequentially communicated from left to right; a flocculating agent adding port (5) is formed in the top of the sedimentation cavity (1); the top of the sedimentation cavity (1) is communicated with a water inlet pipe (6), and a tail water lifting pump (7) is fixedly connected to the water inlet pipe (6); the bottom of the adsorption cavity (4) is communicated with a discharge pipe (8), and a valve (9) is arranged on the discharge pipe (8); the interior of the sedimentation cavity (1) is communicated with the top of the filter cavity (2) through a first connecting pipe (10); the bottom of the filter cavity (2) is communicated with the top of the oxidative decomposition cavity (3) through a second connecting pipe (11); peristaltic pumps (12) are arranged on the first connecting pipe (10) and the second connecting pipe (11).

2. The fish farming tail water treatment device according to claim 1, wherein: the first connecting pipe (10) is a hose, a floating ball (13) is fixedly connected to the water inlet end of the first connecting pipe (10), a filler (14) is filled in the floating ball (13), and the water inlet end of the first connecting pipe (10) is in a V shape and fixedly connected with the floating ball (13).

3. The fish farming tail water treatment device according to claim 1, wherein: the bottom of the oxidative decomposition cavity (3) is communicated with an ozone generator (15).

4. The fish farming tail water treatment device according to claim 1, wherein: an overflow port (16) is formed in the top end of the connecting wall surface of the oxidative decomposition cavity (3) and the adsorption cavity (4).

5. The fish farming tail water treatment device according to claim 1, wherein: the filter chamber (2) is internally provided with a filter layer group, the filter layer group comprises a filter screen layer (17), a PP cotton layer (18) and a biological filter layer (19) which are sequentially arranged from top to bottom, and the filter screen layer (17), the PP cotton layer (18) and the biological filter layer (19) are separately arranged.

6. The fish farming tail water treatment device according to claim 5, wherein: the water outlet end of the first connecting pipe (10) is positioned above the filter layer group; the water inlet end of the second connecting pipe (11) penetrates through the filter layer group.

7. The fish farming tail water treatment device according to claim 1, wherein: an adsorption group is arranged in the adsorption cavity (4); the adsorption group comprises an ecological carbon fiber filler layer (20) and a biological activated carbon filter layer (21) which are sequentially arranged from top to bottom.

8. The fish farming tail water treatment device according to claim 1, wherein: the bottom of the sedimentation cavity (1) is arranged to be conical, and a discharge hole (22) is formed.