CN207175725U - A kind of urban waterway sewage disposal system - Google Patents

Abstract

The utility model discloses an urban river sewage treatment system, which comprises a filter tank, a sedimentation tank, an aeration tank, an electrolytic tank and an ecological treatment tank. zone and aeration zone, the electrolytic cell includes two electrode plates respectively connected to the ground electrode and the high-voltage pulse power supply, and the ecological treatment pool 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, simultaneously generates bubbles of different diameters and forms a strong turbulent flow through the aeration tank, and generates a large number of high-energy electrons through the electrolytic tank to further degrade the undecomposed sewage organic matter, effectively Improve the purification efficiency of sewage, thereby improving the sewage purification and treatment capacity of the overall urban river sewage treatment system, the sewage treatment effect is high, and no need to consume external power supply power.

Description

A sewage treatment system for urban rivers

technical field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment system for urban rivers.

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 rivers, causing serious pollution of rivers, destroying ecological balance, and endangering human health. Therefore, it is urgent to control and restore polluted rivers. In recent years, ecological technology has been widely used in developed countries and domestic economically developed regions as an economical and effective method for water quality restoration in ponds, rivers and lakes. Ecological technology mainly includes artificial wetlands, ecological floating islands, etc., and is a technology for building a water ecosystem composed of microorganisms, aquatic plants, and aquatic animals and promoting its balance restoration. Sewage treatment technology has gradually been widely used to treat various polluted water bodies (such as rivers, lakes and reservoirs, etc.). Quickly promote use. However, this technology has many limitations in the operation process of traditional devices. The main manifestations are: the stability of the ecosystem and the continuous processing efficiency are not ideal; the use of external power sources requires additional power consumption.

Utility model content

The purpose of the utility model is to provide a sewage treatment system for urban rivers, which has good sewage treatment efficiency and does not need to consume external power supply power.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sewage treatment system for urban rivers, including a filter tank, a sedimentation tank, an aeration tank, an electrolytic tank and an ecological treatment tank, and the filter tanks are sequentially separated from top to bottom A first filter net, a second filter net and a third filter net are provided, the center of the sedimentation tank is surrounded by an overflow tank, the top of the overflow tank is higher than the top of the tank body of the sedimentation tank, the The bottom of the filter tank is connected to the overflow tank through pipes; the aeration tank is provided with an air distribution area, an air-water mixing area and an aeration area in sequence from bottom to top, and an aeration plate is arranged in the air distribution area and the air channel connected to the aeration pan, the air channel is connected to the air source device outside the aeration tank, and a plurality of strip-shaped water holes are uniformly arranged on the air-water mixing area, and the aeration area There is an aeration top plate located at the top of the air-water mixing area; the top of the aeration tank is equipped with a solar device through a bracket, and the solar device includes a solar panel, a charge controller, a storage battery, a timing switch and a distribution box, The solar panel is located at the top of the bracket, the distribution box is located in the middle of the bracket, the charge controller, storage battery and timing switch are placed inside the distribution box, and the solar panel is connected through the cable It is connected with the charging controller, the charging controller is connected with the storage battery through the cable, the storage battery is connected with the timing switch through the cable, and the timing switch is connected with the gas source device through the cable; a packing layer is arranged in the ecological treatment pool and aquatic plants located on the filler layer.

Further, an aeration pipe is provided at the bottom of the ecological treatment pond, and the aeration pipe is connected to the air source device through an air pipe, and a switch valve is installed on the air pipe.

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

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

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 urban river sewage treatment system of the utility model sequentially passes through the filter tank, the sedimentation tank, the aeration tank, the electrolytic tank and the ecological treatment tank, and the filter tank improves the filtering effect, The filtration time is shortened, the impurities in the sewage are settled through the sedimentation tank, and the air bubbles of different diameters and strong turbulence are simultaneously generated through the aeration tank to remove pollutants in the water body and increase the oxygen capacity of the water body, which can repair In the water body, a large number of high-energy electrons produced by the electrolytic cell have inelastic collisions with the refractory substances contained in the sewage, and the energy is converted into the internal energy of the ground state molecules, and the excitation, dissociation and ionization occur, so that the sewage is in an activated state, and the undecomposed sewage organic matter Further degradation will make the sewage treatment effect better. Finally, the sewage will be treated ecologically through the ecological treatment pool. The aquatic plants will increase the surface area of the water body to contact the oxidation and degradation pollutants, and can secrete a large amount of enzymes to accelerate the decomposition of pollutants. Effectively strengthen the sewage treatment effect, effectively improve the purification efficiency of sewage, thereby improving the sewage purification and treatment capacity of the overall urban river sewage 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 urban river sewage 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 solution: a kind of urban river gushing sewage treatment system, comprises filter tank 10, sedimentation tank 20, aeration tank 30, electrolysis tank 40 and ecological treatment tank 50, and described filter tank 10 from top to bottom are respectively provided with a first filter net 11, a second filter net 12 and a third filter net 13, and the apertures of the first filter net 11, the second filter net 12 and the third filter net 13 are successively 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 top of the aeration tank 30 of the utility model is equipped with a solar device 60 through a bracket, and the solar device 60 includes a solar panel 61, a charge controller 62, a storage battery 63, a timing switch 64 and a distribution box 65, and the solar cell The board 61 is located on the top of the support, the distribution box 65 is located in the middle of the support, the charging controller 62, the storage battery 63 and the timing switch 64 are placed inside the distribution box 65, and the solar panel 61 is connected to the charging controller 62 through a cable, the charging controller 62 is connected to the storage battery 63 through a cable, the storage battery 63 is connected to a timing switch 64 through a cable, and the timing switch 64 is connected to the gas source device 36 through a cable , under natural light conditions in the outdoor environment, the solar panel 61 converts light energy into electrical energy by absorbing sunlight, and stores the electrical energy in the battery 63 through the charge controller 62. The timing switch 64 can control the timing switch of the air source device 36, without additional power supply.

The electrolytic cell 40 of the present utility model includes two electrode plates 41 respectively connected to the grounding electrode and the high-voltage pulse power supply. The high-voltage pulse power supply discharges through the electrode plates to generate a large amount of high-energy electrons that collide inelastically with the refractory substances contained in the sewage, and the energy Converted into the internal energy of the ground state molecules, a series of processes such as excitation, dissociation and ionization occur, so that the sewage is in an activated state. On the one hand, the generated energy opens the molecular bonds of sewage organic matter to produce some simple atoms or single atomic molecules. On the other hand, it produces a large amount of Active groups such as free oxygen, free radicals and ozone, combined with electrolysis in the electrolytic cell 40 can further degrade the refractory organic matter in the sewage. The chemical reaction caused by the active particles composed of these monatomic molecules, free oxygen radicals and ozone can finally transform the complex macromolecular pollutants in the sewage into simple small molecular substances, and can make the toxic and harmful substances in the sewage into into non-toxic and harmless substances or low-toxic and low-hazardous substances so that pollutants can be degraded and removed.

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 wind air pipe is connected with the air source device 36, and a switch valve is installed on the air air pipe, and the bottom of the ecological treatment pool 50 is aerated by the aeration pipe 53, so as to oxygenate the ecological treatment pool 50, and the aquatic plants 52 The root system absorbs and absorbs nutrients such as nitrogen and phosphorus in the water body to provide self-growth, and can improve water quality. The root system of aquatic plants increases the surface area of water body biological contact with oxidation and degradation pollutants, and can secrete a large amount of enzymes to accelerate the pollution of pollutants in sewage. decomposition. 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 urban river sewage treatment system of the utility model passes through the filter tank 10, the sedimentation tank 20, the aeration tank 30, the electrolytic tank 40 and the ecological treatment tank 50 successively. The sundries in the sewage are settled, and the aeration tank 30 simultaneously generates bubbles of different diameters and forms a strong turbulent flow, removes pollutants in the water body and increases the oxygen capacity of the water body, and can repair the water body. A large number of high-energy electrons collide inelastically with the refractory substances contained in the sewage, transforming the energy into the internal energy of the ground state molecules, causing excitation, dissociation and ionization, making the sewage in an activated state, further degrading the undecomposed sewage organic matter, and making the sewage The treatment effect is better, and finally the sewage is treated ecologically through the ecological treatment pool 50, 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 strengthen sewage treatment The effect is to effectively improve the purification efficiency of sewage, thereby improving the purification and treatment capacity of sewage in the overall urban river sewage treatment system. The sewage treatment effect is high and the use 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 kind of 1. urban waterway sewage disposal system, it is characterised in that：Including filtering ponds, sedimentation basin, aeration tank, electrolytic cell and life State processing pond, the filtering ponds are respectively arranged with the first screen pack, the second screen pack and the 3rd screen pack, institute successively from top to bottom The center for stating sedimentation basin is with overflow launder, and the top of the overflow launder is higher than the pond body top of the sedimentation basin, the mistake The bottom in filter tank is connected by pipeline with the overflow launder；The aeration tank sets gradually gas distribution area from top to bottom, air water mixes Area and aeration zone are closed, aeration plate and the air flue being connected with the aeration plate, the air flue and aeration tank are provided with the gas distribution area Outside compressed air source unit is connected, and multiple strip water holes are uniformly provided with the gas-water mixing zone, and the aeration zone, which is provided with, to be located at Aeration at the top of gas-water mixing zone is taken over a business；

   The top of the aeration tank is provided with solar energy equipment by support, the solar energy equipment include solar panel, Charge controller, battery, time switch and distribution box, the solar panel are located at the top of support, the distribution Case is located at the centre position of internal stent, and the charge controller, battery and time switch are placed in the inside of the distribution box, The solar panel is connected by cable with charge controller, and the charge controller is connected by cable with battery, The battery is connected by cable with time switch, and the time switch is connected by cable with the compressed air source unit；

   Packing layer and the water plant in described filler layer are provided with the ecological treatment ponds.
2. 2. urban waterway sewage disposal system according to claim 1, it is characterised in that：The bottom of the ecological treatment ponds Aeration tube is additionally provided with, the aeration tube is connected by general mood pipe with the compressed air source unit, and switch valve is provided with the general mood pipe.
3. 3. urban waterway sewage disposal system according to claim 1, it is characterised in that：The top of the overflow launder is to heavy The center bending in shallow lake pond.
4. 4. urban waterway sewage disposal system according to claim 1, it is characterised in that：The aeration plate is provided with three kinds The solarization air cap in aperture.
5. 5. urban waterway sewage disposal system according to claim 1, it is characterised in that：Described filler layer is divided from top to bottom Into gravel layer, haydite layer and quartz sand layer.
6. 6. urban waterway sewage disposal system according to claim 1, it is characterised in that：The compressed air source unit is pneumatics Machine, the air compressor machine are connected by tracheae with the air flue, and the tracheae is provided with supply regulating valve.