CN217323771U - A road sewage purification biological facility suitable for the wetlands of the western Sichuan plateau - Google Patents

Abstract

The utility model discloses a road sewage purification biological facility suitable for the wetlands of the western Sichuan plateau, which comprises a water collecting channel, the water collecting channel is located under a road side slope drop trough, and a water outlet is arranged on the side wall of the water collecting channel; a sedimentation tank, The sedimentation tank is introduced into the sewage in the collection channel through the water outlet, and the side wall of the sedimentation tank is provided with a superficial layer pipe; a multi-level plant purification tank, the multi-level plant purification tank passes through the shallow layer pipe The sewage introduced into the sedimentation tank is further purified by plant adsorption and microbial degradation. Large particles and heavy pollutants are filtered and precipitated through the designed collection channel and sedimentation tank, and the anaerobic bacteria inoculation net is convenient for rapid To remove sensitive pollutants, according to the direction of natural water flow, the multi-stage biological purification method of floating plant pool, emergent plant pool and submerged plant pool is used to quickly purify the wetland water body to achieve the effect of purification after flow.

Description

A road sewage purification biological facility suitable for the wetlands of the western Sichuan plateau

technical field

The utility model relates to the technical field of highway sewage treatment, in particular to a highway sewage purification biological facility suitable for the wetlands of the western Sichuan plateau.

Background technique

Highway sewage is mainly pollutants in road surface runoff, which are mainly sulfur, nitrogen, heavy metals and toxic organics generated due to incomplete combustion of fuels related to automobile traffic. Some of them are solid substances or adhere to solid substances. The direct discharge of these pollutants into the receiving wetland water body will reduce the water quality and ecological value, and the infiltration into the ground will further cause groundwater pollution.

Utility model content

The purpose of this utility model is to provide a road sewage purification biological facility suitable for the wetlands of the western Sichuan plateau, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a biological facility for road sewage purification suitable for the wetlands of the western Sichuan plateau, comprising:

a water collection channel, the water collection channel is located below the road side slope drop trough, and a water outlet is provided on the side wall of the water collection channel;

a sedimentation tank, the sedimentation tank introduces the sewage in the collection channel through the water outlet, and a shallow surface pipe is arranged on the side wall of the sedimentation tank;

A multi-stage plant purification tank, the sewage in the sedimentation tank is introduced into the multi-level plant purification tank through the superficial layer pipe, and the sewage is further purified through plant adsorption and microbial degradation.

Preferably, an anaerobic bacteria inoculation net is arranged in the sedimentation tank.

Preferably, a filter screen is provided at one end of the superficial layer pipe in the sedimentation tank, and the filter screen adopts a stainless steel filter screen with a wire diameter of 3 mm and a hole diameter of 22.4 mm.

Preferably, the multi-stage plant purification pool includes a floating plant pool, an emergent plant pool and a submerged plant pool, the side wall of the floating plant pool is provided with a first overflow type water outlet, and the side wall of the emergent plant pool There is a water outlet duct on the top, and a second overflow type water outlet is arranged on the side wall of the submerged plant pond, and the sewage flowing out from the sedimentation tank is introduced into the floating plant pond through the shallow surface pipe, and the The sewage flowing out from the phytoplankton tank is introduced into the emergent plant tank through the first flood-type water outlet, and the sewage flowing out from the emergent plant tank is introduced into the sink through the outlet duct. Water plants in the pool.

Preferably, a floating plant planting area is arranged in the floating plant pool; and the outlet of the shallow surface pipe is facing the floating plant planting area, so that the water entering the floating plant pool is directly purified by plants.

Preferably, the emergent plant pool is provided with an emergent plant planting area; and the outlet of the first flood-type water outlet is facing the emergent plant planting area, so that the water entering the emergent plant planting area is directly Purify through plants.

Preferably, a submerged plant planting area is provided in the submerged plant pool, and the outlet of the water outlet duct is facing the submerged plant planting area, so that the water entering the submerged plant pool is directly purified by the plants.

Preferably, the second flood-type water outlet communicates with the plateau wetland area.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model adopts the physical-biological comprehensive treatment method, and filters and precipitates large particles and heavier pollutants through the designed collection channel and sedimentation tank. The oxygen bacteria inoculation net is convenient to quickly remove sensitive pollutants. According to the natural water flow direction, the multi-stage biological purification method of floating plant pool, emergent plant pool and submerged plant pool is used to quickly purify the wetland water body, so as to achieve the effect of purification after flow. No chemicals are added in the treatment process, no secondary pollution is generated, and it is more environmentally friendly and energy-saving. At the same time, the structure is simple, no special personnel is required for maintenance and management, and the investment and operation cost is low.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic diagram of a floating plant pond of the present utility model and its upstream structure;

3 is a schematic diagram of a floating plant pond of the present utility model and its downstream structure;

Fig. 4 is the net surface structure schematic diagram of the anaerobic bacteria inoculation net of the utility model;

FIG. 5 is a schematic diagram of the mesh surface structure of the filter mesh of the present invention.

In the picture: 1. Water collection channel; 2. Water outlet; 3. Sedimentation tank; 4. Superficial layer pipe; 5. Multi-stage plant purification tank; 6. Anaerobic bacteria inoculation net; 7. Filter net; Type water outlet; 9. Outlet duct; 10. Second overflow type water outlet; 5-1, Floating plant pool; 5-2, Emerging plant pool; 5-3, Submerged plant pool; 5-1-1 , floating plant planting area; 5-2-1, emerging plant planting area; 5-3-1, submerged plant pond planting area.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Please refer to Figures 1-5, the present utility model provides a technical solution: a biological facility for road sewage purification suitable for the wetlands of the western Sichuan plateau, comprising:

A water collecting channel 1, the water collecting channel 1 is located below the road side slope falling trough, and a water outlet 2 is provided on the side wall of the water collecting channel 1;

The sedimentation tank 3, the sedimentation tank 3 introduces the sewage in the collection channel 1 through the water outlet 2, the collection channel 2 and the sedimentation tank 4 can use conventional equipment, and the side wall of the sedimentation tank 3 is provided with a shallow layer pipe 4;

The multi-stage plant purification tank 5 introduces the sewage in the sedimentation tank 3 through the superficial pipe 4, and further purifies the sewage through plant adsorption and microbial degradation.

Specifically, the sedimentation tank 3 is provided with an anaerobic bacteria inoculation mesh 6, that is, a mesh structure for distributing anaerobic bacteria. In this embodiment, the anaerobic bacteria inoculation mesh 6 adopts a concave-convex honeycomb structure, and the mesh material is P.P. The fiber is woven into one piece, and the inoculation net can also adopt a square mesh structure, an ellipsoid mesh structure, or a spherical mesh structure.

Specifically, a filter screen 7 is provided at one end of the superficial layer pipe 4 in the sedimentation tank 3, and the filter screen 7 adopts a stainless steel filter screen with a wire diameter of 3 mm and a pore diameter of 22.4 mm, which is suitable for large particles and heavy pollutants. Filtration and precipitation were performed.

Specifically, the multi-stage plant purification tank 5 includes a floating plant tank 5-1, an emergent plant tank 5-2 and a submerged plant tank 5-3, and the side wall of the floating plant tank 5-1 is provided with a first overflow type outlet Water outlet 8, a water outlet duct 9 is arranged on the side wall of the emergent plant pool 5-2, and a second overflow type water outlet 10 is arranged on the side wall of the submerged plant pool 5-3, and the sewage flowing out from the sedimentation tank 3 passes through The shallow surface pipe 4 is introduced into the floating plant pond 5-1, and the sewage that will flow out from the floating plant pond 5-1 is introduced into the emerging plant pond 5-2 through the first overflow type water outlet 8, and will be introduced from the emerging plant pond 5 The sewage flowing out from -2 is introduced into the submerged plant tank 5-3 through the outlet duct 9, and the relative height of the emergent plant tank 5-2 is higher than that of the submerged plant tank 5-3.

Specifically, the floating plant pond 5-1 is provided with a floating plant planting area 5-1-1; the plants planted in the floating plant planting area 5-1-1 are the amphibian polygonum community and/or the Flos japonica community, Floating water plants that are suitable for the plateau are used near the pollution source. Such plants generally have strong growth suitability. The photosynthesis of floating water plants is very strong, producing a large amount of oxygen and increasing the oxygen content in the lake water. The floating objects in the stagnant water absorb the suspended particles in the water, and the floating plants play a coarse filter role in the sewage, and the outlet of the superficial pipe 4 is facing the floating plant planting area 5-1-1, thus entering the floating plant pool 5-1. The water is purified directly through the plants.

Specifically, the emergent plant pool 5-2 is provided with an emergent plant planting area 5-2-1; this area is the most important area for the system to purify sewage. The system uses the self-purification ability of the wetland to remove most of the pollutants. Its main decontamination functions are: sedimentation of suspended particles; dissolution of nutrients, diffusion and deposition; soil filtration of pollutants; mineralization of organic matter; The design adopts the policy of combining artificial wetlands and natural wetlands. Constructed wetlands have stronger decontamination capabilities. On the premise of ensuring the quality of effluent, the effective combination of artificial wetlands and natural wetlands not only makes full use of wetland resources, but also saves money. , the plant planted in the emergent plant planting area 5-2-1 is one or more of Caryophyll syringae, Crankshaft black triangularis, S. chinensis, and the outlet of the first flood-type water outlet 8 is directly opposite to Emergent plant planting area 5-2-1, so that the water entering the emerging plant planting area 5-2-1 is directly purified by plants.

Specifically, the submerged plant pool 5-3 is provided with a submerged plant planting area 5-3-1, the plants planted in the submerged plant planting area 5-3-1 are ranunculus communities, and the submerged plants will The pollution source flows into the wetland water body for final purification treatment, which also plays a role in buffering and regulating the system. Rooted submerged plants are used to enhance the wetland volume, increase the retention time of the system, increase the wetland carrying load, filter out large particles of suspended solids, and increase the oxygen in the water. In addition, submerged plants also provide abundant nutrient resources for aquatic and terrestrial animals in wetlands, which is conducive to the restoration of wetland animal biodiversity, and the outlet of effluent duct 9 is facing the submerged plant planting area 5-3-1 , so that the water entering the submerged plant pool is directly purified by the plants.

Specifically, the second flood-type water outlet 10 communicates with the plateau wetland area.

Working principle: When the utility model is working, large particles and heavier pollutants are filtered and precipitated through the designed collection channel 1 and sedimentation tank 3. When sensitive pollution occurs, microbial restoration technology can be introduced. The anaerobic bacteria inoculation net 6 set directly in the middle is convenient to quickly remove sensitive pollutants and provide better conditions for subsequent phytoremediation. The 5-3 multi-stage biological purification method of the submerged plant pool can quickly purify the wetland water body, and achieve the effect of purification after flow.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

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

Claims (10)

1. a kind of road sewage purification biological facility applicable to western Sichuan plateau wetland, is characterized in that: comprising: a water collection channel (1), the water collection channel (1) is located below the road side slope drop groove, and a water outlet (2) is provided on the side wall of the water collection channel (1); A sedimentation tank (3), the sedimentation tank (3) introduces the sewage in the collection channel (1) through the water outlet (2), and a shallow surface pipe (4) is provided on the side wall of the sedimentation tank (3) ); A multi-stage plant purification tank (5), the multi-stage plant purification tank (5) is introduced into the sewage in the sedimentation tank (3) through the superficial pipe (4), and the sewage is further processed by plant adsorption and microbial degradation. Purify. 2 . The biological facility for highway sewage purification according to claim 1 , wherein the sedimentation tank ( 3 ) is provided with an anaerobic bacteria inoculation net ( 6 ). 3 . 3. a kind of road sewage purification biological facility suitable for the wetland of western Sichuan plateau according to claim 2, is characterized in that: described anaerobic bacteria inoculation net adopts concave-convex honeycomb structure, and the mesh material is made of P.P fiber textile molding. one. 4 . The biological facility for road sewage purification suitable for the wetlands of the western Sichuan plateau according to claim 3 , wherein the inoculation net is replaced with a square mesh structure, an ellipsoid mesh structure, or a spherical mesh structure. 5 . 5. A biological facility for highway sewage purification suitable for wetlands in western Sichuan plateau according to claim 1, characterized in that: the shallow pipe (4) is located at one end of the sedimentation tank (3) A filter screen (7) is provided, and the filter screen (7) adopts a stainless steel filter screen with a wire diameter of 3 mm and a hole diameter of 22.4 mm. 6. A biological facility for highway sewage purification suitable for wetlands in western Sichuan plateau according to claim 1, characterized in that: the multi-stage plant purification tank (5) comprises a floating plant tank (5-1), emergent plants A pool (5-2) and a submerged plant pool (5-3), the floating plant pool (5-1) is provided with a first overflow type water outlet (8) on the side wall, and the emergent plant pool (5-1) -2) A water outlet duct (9) is arranged on the side wall, and a second overflow type water outlet (10) is arranged on the side wall of the submerged plant pool (5-3); The sewage enters the floating plant pond (5-1) through the shallow surface pipe (4), and the sewage flowing out from the floating plant pond (5-1) enters through the first overflow type water outlet (8). In the emergent plant pool (5-2), the sewage flowing out of the emergent plant pool (5-2) enters the submerged plant pool (5-3) through the outlet duct (9) . 7. A biological facility for highway sewage purification suitable for wetlands in western Sichuan plateau according to claim 6, characterized in that: the floating plant pool (5-1) is provided with a floating plant planting area (5-1-1). ); and the outlet of the superficial pipe (4) is facing the floating plant planting area (5-1-1), so that the water entering the floating plant pool (5-1) is directly purified by the plants. 8. A biological facility for highway sewage purification suitable for wetlands in western Sichuan plateau according to claim 6, characterized in that: the emergent plant pool (5-2) is provided with an emergent plant planting area (5-2). -1); and the outlet of the first flood-type water outlet (8) is facing the emergent plant growing area (5-2-1), so as to enter the emergent plant growing area (5-2- 1) The water is purified directly by plants. 9. A biological facility for road sewage purification suitable for wetlands in western Sichuan plateau according to claim 6, characterized in that: the submerged plant pool (5-3) is provided with a submerged plant planting area (5-3). -1), and the outlet of the water outlet duct (9) is facing the submerged plant planting area (5-3-1), so that the water entering the submerged plant pool is directly purified by the plants. 10. A biological facility for highway sewage purification suitable for the plateau wetland in western Sichuan according to claim 6, characterized in that: the second flood-type water outlet (10) communicates with the plateau wetland area.

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