CN214990968U

CN214990968U - Tail water treatment system for pond

Info

Publication number: CN214990968U
Application number: CN202120544453.6U
Authority: CN
Inventors: 李志斐; 谢骏; 余德光; 刘阳; 王广军; 望宝; 张凯
Original assignee: Pearl River Fisheries Research Institute CAFS
Current assignee: Pearl River Fisheries Research Institute CAFS
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-03
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a tail water processing system for pond, a serial communication port, filter module, fine sand including sieve bend filter module, rubble filter module, haydite module, tail water in the pond is through sieve bend filter module, rubble filter module, fine sand filter module, haydite module in proper order, sieve bend filter module, rubble filter module, fine sand filter module, haydite module can pass through the maximum diameter of the granule of the pollutant in the tail water reduces gradually, the haydite module includes haydite and compound microorganism, compound microorganism is attached to on the haydite. The tail water treatment system can realize purification treatment of pond tail water, and is simple in structure and convenient to operate.

Description

Tail water treatment system for pond

Technical Field

The utility model relates to a water purification field especially relates to a tail water treatment system for pond.

Background

Aquaculture can be divided into pond aquaculture, beach aquaculture, factory circulating water aquaculture, net cage aquaculture, dam aquaculture and the like according to different aquaculture modes. Among them, pond culture is the most common in China. The main pollutants in the tail water of the pond culture comprise ammonia nitrogen, organic matters, phosphorus and fouling organisms. It has the features of low pollution, high nutrients, great output, etc. The water ecological system such as surrounding lakes, rivers and the like is easily damaged by being directly discharged out of the pond. At present, the treatment forms of the aquaculture tail water mainly comprise pond subarea purification, facility purification, wetland purification and the like. The tail water treatment modes such as an industrial circulating water treatment technical mode, a three-pool two-dam mode, a four-pool three-dam mode, an artificial wetland mode and the like are formed. These modes play an important role in tail water treatment in industrial aquaculture, connected ponds and the like. However, for small water surface ponds and scattered breeding households, the tail water treatment modes have the problems of high cost, large occupied area and the like. Therefore, on the premise of standard discharge of the aquaculture tail water, a treatment technology which is lower in cost, small in occupied area and suitable for small-water-surface aquaculture tail water is found, and the method has important practical significance for healthy development of the aquaculture industry in China and sustainable utilization of resources.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a tail water treatment system for pond, area, with low costs, effectual of this system are applicable to little surface of water pond.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a tail water processing system for pond, its characterized in that, includes sieve bend filter module, rubble filter module, fine sand filter module, haydite module, and tail water in the pond passes through sieve bend filter module, rubble filter module, fine sand filter module, haydite module in proper order, sieve bend filter module, rubble filter module, fine sand filter module can pass through the maximum diameter of the granule of pollutant in the tail water reduces gradually, the haydite module includes haydite and compound microorganism, compound microorganism is attached to on the haydite.

Preferably, still including the first processing pond, second processing pond and the third processing pond that communicate in proper order, sieve bend filter module and rubble filter module are located first processing pond, and sieve bend filter module is located rubble filter module's top, fine sand filter module is located in the second processing pond, the haydite module is located in the third processing pond.

Preferably, the trommel filtering module comprises a trommel which is gradually reduced in height from one side to the other side along the width direction thereof and has an arc-shaped cross section.

Preferably, the trommel filtration module further comprises a collection tank for collecting solid particles in the tail water filtered by the trommel, the collection tank is located in the first treatment tank and connected with the lower side of the trommel, the notch of the collection tank faces upwards, and the height of the notch is not higher than the height of the lower side of the trommel.

Preferably, the crushed stone filter module comprises crushed stones located in the first treatment tank and directly below the curved screen, and the tail water flows in gaps between the crushed stones.

Preferably, the fine sand filtering module comprises fine sand in a second treatment tank, and tail water flowing out of the first treatment tank flows in gaps of the fine sand.

Preferably, the first baffle is arranged at a position close to the bottom of the first treatment tank, the broken stones are located on the first baffle, a plurality of holes are formed in the first baffle, the second baffle is arranged at a position close to the bottom of the second treatment tank, the fine sand is located on the second baffle, the first treatment tank and the second treatment tank are communicated through a first opening, the height of the first baffle and the height of the second baffle are not lower than the highest position of the first opening, and the aperture of the hole in the first baffle is larger than that of the hole in the second baffle.

Preferably, the ceramsite is positioned in the third treatment tank, the second treatment tank is communicated with the third treatment tank through a second opening, the second opening is positioned above the fine sand and the ceramsite, and a third opening communicated with the outside is arranged on the side wall of the third treatment tank and close to the bottom of the third treatment tank.

Preferably, the water overflowing module comprises a water pipe, one end of the water pipe is horizontally inserted into the bottom of the pond, the other end of the water pipe extends to a position right above the higher side of the sieve bend, a plurality of water inlet holes are formed in one end of the water pipe inserted into the bottom of the pond, the other end of the water pipe is lower than the water level of the water in the pond, and the height of the second opening is lower than that of the other end of the water pipe.

Preferably, the treatment device further comprises a treatment tank, wherein a first partition plate and a second partition plate are arranged in the treatment tank along the width direction of the treatment tank, the first partition plate and the second partition plate divide the treatment tank into the first treatment tank, the second treatment tank and a third treatment tank, the first opening is positioned under the first partition plate, and the second opening is arranged on the second partition plate.

Compared with the prior art, the invention has the following beneficial effects:

the system couples physical and biological double purification technologies, can fully adsorb and degrade pollutants in the tail water of the pond with small area, and reduces the pollution of fishery production to the water environment; the small-area water-surface aquaculture pond has the advantages of small occupied area, low cost, simple structure and convenience in daily management, and is suitable for small-water-surface aquaculture ponds.

Drawings

Fig. 1 is a schematic diagram of a preferred embodiment according to the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figure 1, a tail water treatment system for pond, including sieve bend filter module, rubble filter module, fine sand filter module, haydite module, tail water in the pond passes through sieve bend filter module, rubble filter module, fine sand filter module, haydite module in proper order, sieve bend filter module, rubble filter module, fine sand filter module, haydite module can pass through the maximum diameter of the granule of the pollutant in the tail water reduces gradually to realize filtering the tail water step by step. The ceramsite module is used for filtering the tail water and decomposing organic matters in the tail water.

Preferably, the sieve bend filter module, the gravel filter module, the fine sand filter module and the ceramsite module are arranged in a treatment tank 1, the treatment tank 1 is of a cuboid structure, the width of the treatment tank 1 is 0.5-2 m, and the treatment tank 1 is preferably a cement tank. The first partition plate 2 and the second partition plate 3 are sequentially arranged along the width direction of the cement pond, and the treatment pond 1 is divided into a first treatment pond 4, a second treatment pond 5 and a third treatment pond 6 by the first partition plate 2 and the second partition plate 3.

The sieve bend filter module is including setting up the sieve bend 7 in first treatment tank 4 on the width direction of treatment tank 1, one side height of sieve bend 7, opposite side are low, and it reduces gradually and the cross section is the arc from high one side to low one side, tail water gets into sieve bend 7 from the top of sieve bend 7, and the granule that is greater than sieve mesh diameter of sieve bend 7 in the tail water is filtered, and remaining part passes sieve bend 7. The mesh of the curved screen 7 may be one of 60 mesh, 80 mesh and 100 mesh.

The sieve bend filter module is still including setting up in first treatment tank 4 and being located the collecting vat 8 of the lower one side of sieve bend 7, follow the filterable solid pollutant granule of sieve bend 7 rolls and falls in collecting vat 8, is convenient for to the collection of solid pollutant granule.

The gravel filtering module comprises irregularly-shaped gravel 9 which is positioned in the first treatment tank 4 and is positioned under the curved screen 7, and partial pollutants in tail water are filtered by the tail water of the curved screen 7 passing through the gap between the gravel 9.

The fine sand filtering module comprises fine sand 10 placed in the second treatment tank 5, tail water passing through the gravel filtering module enters the fine sand 10 and flows through gaps in the fine sand 10, and the gaps between the fine sand 10 are smaller than those between the gravel 9.

Further, the bottom of the first treatment tank 4 is communicated with the bottom of the second treatment tank 5 through a first opening 11, and the first opening 11 is positioned right below the first partition plate 2. The tail water in the first treatment tank 4 enters the second treatment tank 5 through the first opening 11. A second opening 12 for communicating the second treatment tank 5 with the third treatment tank 6 is provided in the second partition plate 3, and the second opening 12 is located above the fine sand 10 to allow water in the second treatment tank 5 to enter the third treatment tank 6.

Further, a first baffle 13 is arranged in the first treatment tank 4 and at a position close to the bottom of the first treatment tank, the crushed stone 9 is positioned on the first baffle 13, and a plurality of holes with the aperture of 5cm are arranged on the first baffle 13. A second baffle plate 14 is arranged in the second treatment tank 5 and at a position close to the bottom of the second treatment tank, a plurality of holes with the aperture of 1cm are arranged on the second baffle plate 14, and a layer of 100-mesh filter screen is arranged above the holes. The height of the first baffle 13 and the second baffle 14 is not lower than the height of the upper side of the first opening 11, and preferably, the distance between the first baffle 13 and the second baffle 14 and the bottom of the treatment tank is 20 cm. The first baffle 13 and the second baffle 14 may be integrally formed or may be independent of each other.

The ceramsite module comprises ceramsite 15 positioned in the third treatment tank 6, and tail water flowing out of the second treatment tank 5 is further filtered through the ceramsite 15. A third opening 16 communicated with the outside is arranged on one side wall of the third treatment tank 6, and the third opening 16 is close to the bottom of the third treatment tank 6. The diameter of the ceramsite is 1-5 cm. The ceramsite module can be added with compound microorganisms, the compound microorganisms are attached to the ceramsite 15, and the compound microorganisms decompose organic matters and the like in the tail water.

The tail water treatment system further comprises an overflow module, the overflow module comprises a water pipe 17, one end of the water pipe 17 is horizontally inserted into the bottom of the pond, and the other end of the water pipe 17 extends to a position right above the higher side of the sieve bend 7. One end of the water pipe 17 inserted into the bottom of the pond is provided with a plurality of water inlet holes, and the diameter of each water inlet hole is 5 cm. The other end of the water tube 17 is below the surface of the water in the pond so that the tailwater will automatically flow through the water tube 17 to the trommel 7. The second opening 12 is lower than the other end of the water pipe 17 to ensure that the water in the second treatment tank 5 can enter the third treatment tank 6 through the second opening 12. The water pipe 17 is a PVC pipe.

In practice, the first treatment bath 4, the second treatment bath 5, and the third treatment bath 6 may be provided separately.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tail water processing system for pond, its characterized in that, includes sieve bend filter module, rubble filter module, fine sand filter module, haydite module, and tail water in the pond passes through sieve bend filter module, rubble filter module, fine sand filter module, haydite module in proper order, sieve bend filter module, rubble filter module, fine sand filter module, haydite module can pass through the maximum diameter of the granule of the pollutant in the tail water reduces gradually, the haydite module includes haydite and compound microorganism, compound microorganism is attached to on the haydite.

2. The tail water treatment system for the pond of claim 1, further comprising a first treatment tank, a second treatment tank and a third treatment tank which are sequentially communicated, wherein the sieve bend filter module and the gravel filter module are positioned in the first treatment tank, the sieve bend filter module is positioned above the gravel filter module, the fine sand filter module is positioned in the second treatment tank, and the ceramsite module is positioned in the third treatment tank.

3. The tail water treatment system for ponds according to claim 2, wherein the trommel filter module comprises a trommel that is gradually reduced in height from side to side along its width and is curved in cross section.

4. The tailings water treatment system for a pond of claim 3 wherein the sieve bend filtration module further comprises a collection trough for collecting solid particles in the tailings water filtered by the sieve bend, the collection trough being located in the first treatment trough and connected to the lower side of the sieve bend, the trough having a notch facing upwards and the notch having a height no greater than the height of the lower side of the sieve bend.

5. A pond tail water treatment system according to claim 4, wherein the gravel filter module comprises gravel located in the first treatment tank and directly below the trommel, and the tail water flows in gaps between the gravel.

6. A pond tail water treatment system according to claim 5, wherein the fine sand filter module comprises fine sand in a second treatment tank, and tail water flowing out of the first treatment tank flows in gaps of the fine sand.

7. The tail water treatment system for the pond as claimed in claim 6, wherein a first baffle is arranged in the first treatment tank and at a position close to the bottom of the first treatment tank, the crushed stones are located on the first baffle, a plurality of holes are formed in the first baffle, a second baffle is arranged in the second treatment tank and at a position close to the bottom of the second treatment tank, the fine sand is located on the second baffle, the first treatment tank and the second treatment tank are communicated through the first opening, the height of the first baffle and the height of the second baffle are not lower than the highest position of the first opening, and the hole diameter of the hole in the first baffle is larger than the hole diameter of the hole in the second baffle.

8. The tail water treatment system for the pond according to claim 7, wherein the ceramsite module comprises ceramsite which is positioned in a third treatment tank, the second treatment tank is communicated with the third treatment tank through a second opening, the second opening is positioned above the fine sand and the ceramsite, a third opening which is communicated with the outside is arranged on the side wall of the third treatment tank and close to the bottom of the third treatment tank, and composite microorganisms are placed in the ceramsite module.

9. The tailings water treatment system for a pond of claim 8 further comprising an overflow module comprising a water pipe having one end inserted horizontally into the bottom of the pond and the other end extending directly above the upper side of the curved screen, wherein the end of the water pipe inserted into the bottom of the pond is provided with a plurality of water inlets, the other end of the water pipe is below the surface of the water in the pond, and the second opening is at a lower height than the other end of the water pipe.

10. The tail water treatment system for the pond according to claim 9, further comprising a treatment tank, wherein a first partition and a second partition are arranged in the treatment tank along the width direction of the treatment tank, the first partition and the second partition divide the treatment tank into the first treatment tank, the second treatment tank and a third treatment tank, the first opening is positioned right below the first partition, and the second opening is arranged on the second partition.