CN207175726U - A kind of river water body processing system - Google Patents

Abstract

The utility model discloses a river water body treatment system, which comprises a filter tank, a sedimentation tank, an aeration tank, a sewage floc separation tank and an ecological treatment tank. The filter tank is respectively provided with a first filter net, The second filter screen and the third filter screen, the aeration tank is sequentially provided with an air distribution area, an air-water mixing area and an aeration area from bottom to top, and the sewage floc separation device sequentially includes a coagulation reaction tank and a mud-water separation A tank, the ecological treatment pond is provided with a packing layer and aquatic plants on the packing layer. The utility model improves the filtering effect through the filtering tank, shortens the filtering time, settles the debris in the sewage through the sedimentation tank, and simultaneously generates bubbles of different diameters and forms a strong turbulent flow through the aeration tank to remove pollutants in the water body And increase the oxygen capacity of the water body, can restore the water body, and finally the sewage is treated ecologically through the ecological treatment pool, thereby improving the purification and treatment capacity of the overall river water treatment system for sewage.

Description

A river water treatment system

technical field

The utility model relates to the technical field of sewage treatment, in particular to a river water treatment system.

Background technique

With the rapid development of my country's social economy, more and more sewage is produced by human production and life, and a large amount of sewage is discharged into the river, causing serious pollution of the river, destroying the ecological balance, and endangering human health. Therefore, it is urgent to control and restore the polluted river. At present, the most commonly used technologies for treatment and restoration of polluted rivers at home and abroad include physical restoration technology, chemical restoration technology and biological restoration technology. Among them, bioremediation technology is the most promising restoration technology because of its advantages of environmental friendliness and ecological energy saving. However, due to the fluidity of the river water, directly planted plants and added microorganisms will be lost with the water, and the added microorganisms will be swallowed by other animals. Therefore, bioremediation alone is not effective for river water treatment.

Utility model content

The purpose of the utility model is to provide a river water treatment system to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a river water treatment system, including a filter tank, a sedimentation tank, an aeration tank, a sewage floc separation tank and an ecological treatment tank, and the filter tank is sequentially arranged from top to bottom A first filter net, a second filter net and a third filter net are arranged respectively, and the center of the sedimentation tank is surrounded by an overflow tank, and the top of the overflow tank is higher than the top of the tank body of the sedimentation tank, so The bottom of the filter tank is connected to the overflow tank through a pipeline; the aeration tank is sequentially provided with an air distribution area, an air-water mixing area and an aeration area from bottom to top, and the aeration area is provided in the air distribution area. plate and the air channel connected with the aeration plate, the air channel is connected with the air source device outside the aeration tank, the air-water mixing area is uniformly provided with a plurality of strip-shaped water holes, the aeration There is an aeration top plate located at the top of the air-water mixing area; the sewage floc separation device includes a coagulation reaction tank and a mud-water separation tank in turn, and a sewage floc separator is installed above the mud-water separation tank, which is lifted by sewage The pump sends the sewage to the coagulation reaction tank, the coagulation reaction tank communicates with the mud-water separation tank, and the sewage floc separator collects the flocs in the mud-water separation tank; the ecological treatment tank is provided with filler layer and aquatic plants located on said filler layer.

Further, the aeration tray is provided with aeration holes of three kinds of apertures.

Further, the top of the overflow tank bends toward the center of the sedimentation tank.

Further, an aeration pipe is provided at the bottom of the ecological treatment pond, and the aeration pipe is connected with a blower located outside the ecological treatment pond through an air blast pipe.

Further, the packing layer is divided into a gravel layer, a ceramsite layer and a quartz sand layer from top to bottom.

Further, the air source device is an air compressor, and the air compressor is connected to the air passage through an air pipe, and an air supply regulating valve is arranged on the air pipe.

Compared with the prior art, the beneficial effect of the utility model is that the river water treatment system of the utility model sequentially passes through the filter tank, the sedimentation tank, the aeration tank, the sewage floc separation tank and the ecological treatment tank, and the filter tank improves the filtering effect , shorten the filtration time, settle the sundries in the sewage through the sedimentation tank, generate bubbles of different diameters and form a strong turbulent flow through the aeration tank at the same time, remove pollutants in the water body and increase the oxygen capacity of the water body, and can The water body is repaired, and finally the sewage is treated ecologically through the ecological treatment pool. The aquatic plants increase the surface area of the water body for biological contact with oxidation and degradation pollutants, and can secrete a large amount of enzymes to accelerate the decomposition of pollutants, which can effectively enhance the sewage treatment effect and effectively Improve the purification efficiency of sewage, thereby improving the sewage purification and treatment capacity of the overall river water treatment system, high sewage treatment effect, wide range of use, worthy of popularization and application.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the river water treatment system of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of river course water body treatment system, comprises filter pond 10, sedimentation pond 20, aeration pond 30, sewage floc separation pond 40 and ecological treatment pond 50, described filtration The pool 10 is respectively provided with a first filter net 11, a second filter net 12 and a third filter net 13 from top to bottom, and the apertures of the first filter net 11, the second filter net 12 and the third filter net 13 The solid particles in the water body are filtered and left on the first filter screen 11 , the second filter screen 12 and the third filter screen 13 , and the preliminary solid-liquid separation is realized in the filter tank 10 . The central position of the sedimentation tank 20 is surrounded by an overflow tank 21, the top of the overflow tank 21 is higher than the top of the pool body of the sedimentation tank 20, and the bottom of the filter tank 10 is connected to the overflow tank by a pipeline. 21 is connected, preferably, the top of the overflow tank 21 bends toward the center of the sedimentation tank 20, and when the water in the overflow tank 21 is full, it will flow down along the wall of the overflow tank 21 without Directly fall into the sedimentation tank 20, the sedimentation tank 20 is based on the principle of gravity, when the sewage stays in the sedimentation tank 20, due to the gravity, the sundries can settle down.

The aeration tank 30 of the utility model is provided with an air distribution area 31, an air-water mixing area 32, and an aeration area 33 in sequence from bottom to top. 34 connected to the air passage 35, the air passage 35 is connected to the air source device 36 outside the aeration tank, and the air-water mixing area 32 is evenly provided with a plurality of strip-shaped water holes 37, and the air-water mixing area 32 The upper part is an arc-shaped cavity structure, and the aeration zone 33 is provided with an aeration top plate 38 at the top of the air-water mixing zone. Preferably, the aeration disc 34 is provided with three kinds of aeration holes with different pore sizes, and the pollutants in the size ranges of micropores, mesopores and macropores in the water can be adhered and gathered respectively by using three kinds of aeration holes with different pore sizes. Removal of post-sedimentation improves the removal efficiency of pollutants in water bodies. With the aeration tank 30 of the present utility model, when the aeration is started, the air bubbles float up sharply, driving the water flow to enter from the elongated water hole 37. In addition, the upper part of the air-water mixing area 32 is an arc-shaped cavity structure, which is conducive to aeration. The intensification of water mixing and turbulent state increases the removal effect of pollutants in the water body. In the aeration zone 33 , the mixed air bubbles carry the water flow and turbulently eject from the periphery of the aeration top plate 38 to complete the adhesion, aggregation, settlement and removal of pollutants in the water body.

The sewage floc separation device 40 of the utility model includes a coagulation reaction tank and a mud-water separation tank in turn, and a sewage floc separator is arranged above the mud-water separation tank, and the sewage is sent to the coagulation reaction tank by a sewage lifting pump , the coagulation reaction tank communicates with the mud-water separation tank, and the sewage floc separator collects the flocs in the mud-water separation tank, so that the sewage can be further adsorbed, isolated and biodegraded.

The ecological treatment pool 50 of the utility model is provided with a packing layer 51 and an aquatic plant 52 positioned on the packing layer 51, and the bottom of the ecological treatment pool 50 is also provided with an aeration pipe 53, and the aeration pipe 53 passes through The blower pipe is connected to the blower 54 positioned outside the ecological treatment pond 50, and the bottom of the ecological treatment pond 50 is aerated through the aeration pipe 53, so as to oxygenate the ecological treatment pond 50, and the aquatic plants 52 are adsorbed and absorbed by the roots. Nutrients such as nitrogen and phosphorus in the water body provide self-growth and improve water quality. The root system of aquatic plants increases the surface area for water organisms to contact oxidation and degradation pollutants, and can secrete a large amount of enzymes to accelerate the decomposition of pollutants in sewage. The filler layer 51 is divided into a gravel layer, a ceramsite layer and a quartz sand layer from top to bottom. Aquatic plants can be planted on the above-mentioned gravel layer, ceramsite layer and quartz sand layer, and can be used as microorganism growth carriers to facilitate the attachment of aquatic plants 52. and grow.

Further, the air source device 36 is an air compressor, and the air compressor is connected to the air passage 35 through an air pipe, and the air pipe 35 is provided with an air supply regulating valve, through which the air supply regulating valve regulates the air flow into the aerator. The air pressure in the gas tray 32.

The river water body treatment system of the utility model passes through the filter tank 10, the sedimentation tank 20, the aeration tank 30, the sewage floc separation tank 40 and the ecological treatment tank 50 successively. 20 to settle the sundries in the sewage, through the aeration tank 30 to simultaneously generate bubbles of different diameters and form a strong turbulent flow, remove pollutants in the water body and increase the oxygen capacity of the water body, repair the water body, and finally the sewage passes through the ecological environment The treatment pool 50 carries out ecological treatment, and the aquatic plants 52 increase the surface area of water body biological contact with oxidation and degradation pollutants, and can secrete a large amount of enzymes to accelerate the decomposition of pollutants, which can effectively enhance the sewage treatment effect and effectively improve the purification efficiency of sewage , thus improving the sewage purification and treatment capacity of the overall river water treatment system, the sewage treatment effect is high, and the application range is wide, which is worthy of popularization and application.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A river water body treatment system, characterized in that: comprise a filter tank, a sedimentation tank, an aeration tank, a sewage floc separation tank and an ecological treatment tank, and the filter tank is respectively provided with a first filter screen from top to bottom , the second filter screen and the third filter screen, the central position of the sedimentation tank is surrounded by an overflow tank, the top of the overflow tank is higher than the top of the pool body of the sedimentation tank, and the bottom of the filter tank is passed through the pipeline It is connected with the overflow tank; the aeration tank is sequentially provided with an air distribution area, an air-water mixing area and an aeration area from bottom to top, and an aeration plate is provided in the air distribution area and connected with the aeration tank. The air channel connected with the disk, the air channel is connected with the air source device outside the aeration tank, the air-water mixing area is evenly equipped with a plurality of long strip water holes, and the aeration area is equipped with an air-water mixing area. Aeration top plate at the top of the zone; The sewage floc separation device sequentially includes a coagulation reaction tank and a mud-water separation tank. A sewage floc separator is arranged above the mud-water separation tank, and the sewage is sent to the coagulation reaction tank through a sewage lifting pump. The coagulation reaction tank communicates with the mud-water separation tank, and the sewage floc separator collects the flocs in the mud-water separation tank; The ecological treatment pool is provided with a packing layer and aquatic plants on the packing layer. 2 . The river water treatment system according to claim 1 , characterized in that: the aeration pan is provided with aeration holes of three types of apertures. 3 . 3. The river water treatment system according to claim 1, characterized in that: the top of the overflow tank bends toward the center of the sedimentation tank. 4. The river water treatment system according to claim 1, characterized in that: the bottom of the ecological treatment pool is also provided with an aeration pipe, and the aeration pipe is connected to a blower located outside the ecological treatment pool through a blast pipe . 5. The river water treatment system according to claim 1, characterized in that: the packing layer is divided into a gravel layer, a ceramsite layer and a quartz sand layer from top to bottom. 6. The river water treatment system according to claim 1, characterized in that: the air source device is an air compressor, the air compressor is connected to the air channel through an air pipe, and the air pipe is provided with an air supply regulator valve.