CN210736324U - Small-size river course black and odorous water processing system - Google Patents

Abstract

The utility model discloses a small black and odorous water treatment system for a river, which belongs to the field of environmental engineering, and comprises a purification tank, an anaerobic fore-pond, an aerobic tank and an anaerobic outflow tank; There are overflow structures between the pool and the aerobic pool and between the aerobic pool and the anaerobic outlet pool; one of the side walls of the purification pool is a permeable wall, and sewage can enter the purification pool through the permeable wall. The medicine pipe, and the gravel matrix is laid in the bottom of the purification tank; the aerobic tank is provided with a floating bed and an ecological base for attaching microorganisms, the floating bed includes a floating bed frame and a floating body connected with the floating bed frame, and aquatic plants are arranged on the floating bed frame; The anaerobic effluent pool is aerated by aeration methane machine, and the aerobic pool is aerated by aerobic aerator. The utility model is a small black and odorous water treatment system in a river channel with good purification effect.

Description

A small river channel black and odorous water treatment system

technical field

The utility model belongs to the field of environmental engineering, in particular to a small black and odorous water treatment system in a river.

Background technique

With the increase of population and the rapid development of economy, the discharge of sewage has also increased rapidly in recent years, the water quality of landscape water bodies has deteriorated, the lake water has turned black and smelly, and the eutrophication of water bodies has become increasingly serious. Obviously, water body remediation has become a hot spot in the current water environment remediation field. The task of remediation and purification of water is very arduous, and many chemical methods are used for the treatment of sewage, such as flocculation with industrial flocculants. The water body brings secondary pollution. At present, the existing water body restoration devices on the market are complex in structure and inconvenient to use, the water body restoration function is too simple, the flow rate of sewage entering the device is fast, and there is no effective slow flow or deceleration function, resulting in incomplete water body restoration and even damage to parts and components. Cause economic loss, increase maintenance, and use chemicals, cause secondary pollution, bring new problems, poor water restoration effect, and reduce performance.

Utility model content

The purpose of the utility model is to provide a small black and odorous water treatment system in a river channel with good purification effect.

In order to achieve the above-mentioned purpose, the present utility model adopts the following technical scheme: a small black and odorous water treatment system in a river, comprising a purification pond, an anaerobic fore pond, an aerobic pond and an anaerobic effluent pond, and between the purification pond and the anaerobic fore pond, There are overflow structures between the anaerobic front pool and the aerobic pool and between the aerobic pool and the anaerobic effluent pool; one of the side walls of the purification pool is a permeable wall, and sewage can enter the purification pool through the permeable wall to purify A dosing pipe is arranged in the pool, and a gravel matrix is laid at the bottom of the purification pool; a floating bed and an ecological base for attaching microorganisms are arranged in the aerobic pool. The floating bed includes a floating bed frame and a floating body connected to the floating bed frame, and aquatic plants are arranged on the floating bed frame; Both the fore pond and the anaerobic effluent pond are aerated by aeration methane machine, and the aerobic pond is aerated by aerobic aerator.

The aeration methane machine includes an aeration pump connected with a methane pipeline, and the air outlet of the aeration pump is connected with two pipelines, and the two pipelines extend into the anaerobic fore-pond and the anaerobic effluent tank respectively.

The oxygen-enhancing aerator is a submersible air pump connected to the intake pipe. The submersible air pump is set in the aerobic tank, and the top of the intake pipe extends out of the aerobic tank.

The oxygen-enhancing aerator is a submersible air pump connected to the intake pipe.

Overflow pipes are respectively provided between the purification tank and the anaerobic fore-pond, between the anaerobic fore-pond and the aerobic tank, and between the aerobic tank and the anaerobic effluent tank.

The permeable wall is made of permeable bricks.

The floating bed frame is provided with a planting tray, the planting tray is provided with a planting groove for planting aquatic plants, and the aquatic plants are planted in the planting groove of the planting tray.

A through hole is arranged on the pipe wall of the dosing pipe.

Purification pool, anaerobic forepond, aerobic pool and anaerobic outlet pool are arranged in the river channel from front to back, the permeable wall is the front side wall of the purification tank, and the front side of the permeable wall is provided with a mud pump.

The material of the ecological base is a porous fiber material.

The small-scale river channel black and odorous water treatment system of the utility model has at least the following beneficial effects: the sludge in the sewage can be effectively intercepted through the permeable wall; It can effectively reduce the flow rate of water, and through the action of microbial agents and gravel matrix, it can effectively remove some pollutants in the sewage. The sewage passes through the anaerobic fore-pond. Under anaerobic conditions, the phosphorus accumulating bacteria hydrolyze the intracellular phosphorus into orthophosphate. , and obtain energy from it to absorb easily degradable COD in sewage. Through the adsorption treatment of substrates, microorganisms and plants in the aerobic floating bed pond, it can not only further degrade organic pollutants and heavy metal ions, but also absorb a large amount of phosphorus by using the phosphorus-accumulating bacteria produced under anaerobic conditions. A flexible porous macromolecule ecological base is suspended under the floating bed of aquatic plants, which is used to attach microorganisms in the water body and reduce the flow rate of the water body, ensure the stability of the entire floating bed, increase the hydraulic retention time, and promote the contact between microorganisms and pollutants, and the removal effect is remarkable. Under the condition of oxygenation, ammonia nitrogen is oxidized into nitrate nitrogen, and the nitrate nitrogen is further denitrified into nitrogen gas by the denitrifying bacteria in the anaerobic effluent, and the effect of denitrification and phosphorus removal is remarkable. The microbial agent in the dosing tube can degrade microorganisms into the modified matrix, promote the formation of composite biofilm on the surface of matrix particles, enhance the activity of biofilm, improve the purification ability of pollutants, and build a microorganism-matrix with enhanced purification effect of pollutants system to further enhance the removal of water pollutants. A treatment system that combines physical, chemical, and biological reactions has high efficiency, low maintenance technology, and is not limited by seasonal temperature.

Description of drawings

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

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the structural representation of rectangular frame;

Fig. 4 is the structural representation of floating bed;

Fig. 5 is the structural representation of oxygen-enhancing aerator;

In the picture: In the picture: 100-purification tank; 200-anaerobic front tank; 300-aerobic tank; 400-anaerobic outlet tank; 1-sludge pump; 2-permeable wall; 3-dosing pipe; 4- Through hole; 5-gravel matrix; 6-overflow pipe; 7-concrete retaining wall; 8-aeration pump; 9-pipeline; 10-aeration aerator; 11-ecological base; 12-floating bed frame; 13- Planting tray; 14-floating body; 15-aquatic plant; 16-planting trough; 17-water level line; 18-tee; 19-methane gas station; 20-channel; 21-channel wall; 22-rectangular frame; 23-connection Rod; 24-Pole; 25-Intake Pipe; 26-Submersible Air Pump.

Detailed ways

A small-scale river channel black and odorous water treatment system shown in Fig. 1-Fig. 5 includes a purification tank 100, an anaerobic forepond 200, an aerobic tank 300, an anaerobic outflow tank 400, a purification tank 100, and an anaerobic fore-pond 200 , The aerobic tank 300 and the anaerobic effluent pond 400 are arranged in the river channel 20 from front to back. The purification tank 100, the anaerobic fore-pond 200, the aerobic tank 300 and the anaerobic effluent tank 400 are all open at the top. One of the side walls of 100 is a permeable wall 2, further, the permeable wall 2 is the front side wall of the purification pool 100, the permeable wall 2 is made of permeable bricks, and the top of the permeable wall 2 extends to the entire small channel for black and odorous water treatment. On the upper side of the water level line 17 set by the system, the left and right ends of the permeable wall 2 can be directly embedded in the channel walls 21 on the left and right sides of the river channel 20, or when the channel walls 21 on both sides of the river channel 20 are also concrete structures, water permeable. The left and right ends of the wall 2 are connected with the channel walls 21 on the left and right sides of the river channel 20 by grouting. The top of the permeable wall 2 is higher than the water level line 17. Outside the front side of the 100, the outlet of the mud pump 1 is connected to a mud discharge pipe. The sewage can enter the purification tank 100 backward through the permeable wall 2, and the sludge in the sewage is blocked by the front side of the permeable wall 2 and cannot enter the purification tank. The sludge pump 1 regularly removes the sludge on the front side of the permeable wall 2. .

Between the purification tank 100 and the anaerobic front tank 200, between the anaerobic fore tank 200 and the aerobic tank 300, and between the aerobic tank 300 and the anaerobic outlet tank 400 are respectively separated by concrete retaining walls 7, namely the purification tank 100 and the anaerobic forehearth 200 are separated by the first concrete retaining wall 7, the anaerobic forepond 200 and the aerobic pool 300 are separated by the second concrete retaining wall 7, and the aerobic pool 300 and the anaerobic pool are separated by a second concrete retaining wall 7. The outlet pools 400 are separated by a third concrete retaining wall 7. The rear side wall of the anaerobic outlet pool 400 is a fourth concrete retaining wall 7, a permeable wall 2, a first concrete retaining wall 7, and a second concrete retaining wall. Wall 7, the third concrete retaining wall 7 and the fourth concrete retaining wall 7 are arranged at intervals from front to back, the permeable wall 2, the first concrete retaining wall 7 and the river wall 21 on both sides of the river channel 20 are surrounded by a purification pool 100, the first concrete retaining wall 7, the second concrete retaining wall 7 and the channel walls 21 on both sides of the river channel 20 surround the anaerobic fore-pond 200, the second concrete retaining wall 7, the third concrete retaining wall 7 And the channel walls 21 on both sides of the river channel 20 enclose an aerobic pool 300 , and the third concrete retaining wall 7 , the fourth concrete retaining wall 7 and the channel walls 21 on both sides of the river channel 20 enclose an anaerobic outlet pool 400 .

The left and right ends of the permeable wall 2 and the concrete retaining wall 7 both extend to the channel walls 21 on both sides of the channel 20, and the left and right ends of the permeable wall 2 and the left and right ends of the concrete retaining wall 7 can be directly embedded or inserted into the channel 20. In the river channel walls 21 on the left and right sides, or when the river channel walls 21 on the left and right sides of the river channel 20 are also concrete structures, the embedded parts at the left and right ends of the concrete retaining wall 7 are respectively fixed and connected to the channel walls 21 on the left and right sides of the river channel 20. After the parts are embedded, the left and right ends of the concrete retaining wall 7 are respectively filled with cement mortar joints with the channel walls 21 on both sides of the channel 20 .

There are overflow structures between the purification tank 100 and the anaerobic fore tank 200, between the anaerobic fore tank 200 and the aerobic tank 300, and between the aerobic tank 300 and the anaerobic effluent tank 400. The overflow structure refers to: There are overflow pipes 6 between the purification tank 100 and the anaerobic front tank 200, between the anaerobic fore tank 200 and the aerobic tank 300, and between the aerobic tank 300 and the anaerobic outlet tank 400, respectively. The upper side of the wall 7 is fixed with a plurality of overflow pipes 6 in turn from left to right, the overflow pipes 6 are arranged horizontally on the left and right sides, and all the overflow pipes 6 are arranged at the same height. The upper side of the fixed water level line 17.

Several vertical dosing pipes 3 are arranged in the purification tank, and several through holes 4 are arranged at intervals from top to bottom on the wall of the dosing pipes 3, and the plurality of dosing pipes 3 are fixed on the back side of the permeable wall 2, The top of the dosing pipe 3 extends to the upper side of the water level line 17 set by the entire small river channel black and odorous water treatment system. It is discharged into the purification tank, and the microbial preparations include phosphorus accumulating bacteria, nitrifying bacteria and non-nitrifying bacteria. , phosphorus accumulating bacteria, compound Bacillus and enzyme preparations, of course, other types of microbial preparations can also be used as needed;

A gravel matrix 5 is laid in the bottom of the purification tank, that is, a layer of gravel is laid in the bottom of the purification tank.

The aerobic pool 300 is provided with a floating bed, an ecological base 11 to which microorganisms can be attached, and an oxygen-enhancing aerator 10 from top to bottom. The floating bed includes a floating bed frame 12 and a floating body 14 fixedly connected to the floating bed frame 12. The floating bed frame 12 There is a planting tray 13 inside, and the floating bed frame 12 is provided with aquatic plants 15. Further, the floating bed frame 12 includes a rectangular frame 22 arranged at intervals from top to bottom, and a number of connecting rods are fixed in the rectangular frame 22 in a crisscross pattern. 23, the upper and lower adjacent rectangular frames 22 are fixedly connected by a plurality of vertical rods 24, the rectangular frame 22 is provided with a planting plate 13, and the planting plate 13 is provided with several planting grooves 16 for planting aquatic plants 15, and the aquatic plants 15 are planted in In the planting tank 16 of the planting tray 13, submerged plants can grow directly in the water body, and surface emergent plants can be planted in the planting tank 16 with light planting soil; the floating body 14 is lower than the overflow pipe 6, in this embodiment, the floating body 14 is a vertical block structure. The front and rear floating bodies 14 are respectively fixed on the front side and the rear side of the floating bed frame 12. The material of the floating body 14 is plastic foam. Of course, the floating body is not limited to the above form, it can also be a buoy. , the two buoys are respectively fixed on both sides of the floating bed frame 12; the ecological base 11 to which microorganisms can be attached is a flexible porous macromolecule ecological base 11 formed by bonding a plurality of porous fiber materials arranged under the floating bed. The material can be carbon fiber material or epoxy resin fiber or porous fiber cotton or porous ceramics, or other porous fiber materials; the oxygen-enhancing aerator 10 is a submersible air pump 26 connected to the air intake pipe 25, and the submersible air pump is located in the aerobic tank 300 In the bottom, the air inlet of the submersible air pump is connected to the air intake pipe 25, and the top of the air intake pipe 25 extends out of the aerobic tank 300 and communicates with the atmosphere. And sent into the aerobic tank 300 to increase oxygen aeration.

The aquatic plant 15 can be one or more of the aquatic iris, the iris, the windmill grass, the reed, the reed bamboo, the feather grass, the hornwort, and the waterwheel, and the following table shows the pollutants corresponding to the removal of the above-mentioned aquatic plants 15. :

Of course, in addition to the above aquatic plants 15, other kinds of aquatic plants 15 can also be selected. The floating bed increases the residence time of sewage, and at the same time effectively distinguishes between aerobic and anaerobic units, and has a significant effect in removing heavy metals, organic matter, nitrogen and phosphorus in polluted water, and is not limited by seasonal temperature, simple construction, and convenient management and maintenance.

Both the anaerobic forepond 200 and the anaerobic effluent pond 400 are aerated by an aeration methane machine. The aeration methane machine includes an aeration pump 8 connected to a methane pipeline. One end of the methane pipeline is connected to the outlet of the methane gas station 19 and the other end. Connect the air inlet of the aeration pump 8, the air outlet of the aeration pump 8 is connected to two pipelines 9 through the tee 18, and the three ports of the tee 18 are respectively connected to the air outlet of the aeration pump 8 and the ports of the two pipelines 9, The methane gas station 19 and the aeration pump 8 are both installed on the ground, and the bottom ends of the two pipes 9 extend into the bottom end of the anaerobic fore-pond 200 and the bottom end of the anaerobic effluent tank 400 respectively. The methane produced by the gas station 19 is sent to the anaerobic forepond 200 and the anaerobic effluent pond 400 to create an anaerobic environment for the anaerobic forepond 200 and the anaerobic effluent pond 400 .

In the small-scale black and odorous water treatment system of the present utility model, the sewage enters the purification tank 100 through the permeable wall 2, and the sludge in the sewage can be effectively intercepted through the permeable wall 2. Sludge removal, the sewage can effectively reduce the water flow velocity through the purification tank 100, and the microbial agent is put into the top opening of the dosing pipe 3, and the agent in the dosing pipe 3 is slowly released into the purification tank 100 through the through hole 4 of the dosing pipe 3, The microbial agents include phosphorus-accumulating bacteria, nitrifying bacteria and non-nitrifying bacteria, etc., through the action of the microbial agents and the gravel matrix 5, it can effectively remove some pollutants in the sewage;

When the sewage in the purification tank 100 rises to the water level line 17 and reaches the overflow pipe 6 on the upper side of the first concrete retaining wall 7, the sewage in the purification tank 100 flows into the exhaust pipe through the overflow pipe 6 on the upper side of the first concrete retaining wall 7 Oxygen fore tank 200; after the sewage enters the anaerobic fore tank 200, under anaerobic conditions, phosphorus accumulating bacteria hydrolyze the intracellular phosphorus into orthophosphate, and obtain energy from it, and absorb the easily degradable COD (chemical oxygen demand) in the sewage. Chemical Oxygen Demand);

When the sewage in the anaerobic forepond 200 rises to the water level line 17 and reaches the overflow pipe 6 on the upper side of the second concrete retaining wall 7 , the sewage in the anaerobic fore-pond 200 overflows through the upper side of the second concrete retaining wall 7 Pipe 6 flows into the aerobic tank 300, and the sewage is then subjected to the adsorption treatment of microorganisms and plants in the aerobic tank 300, which can not only further degrade organic pollutants and heavy metal ions, but also the phosphorus-accumulating bacteria generated under anaerobic conditions enter the aerobic tank 300. After that, it continues to absorb a large amount of phosphorus (the phosphorus-accumulating bacteria are facultative and can survive under anaerobic and aerobic conditions). The flow rate ensures the stability of the entire floating bed, increases the hydraulic retention time, promotes the contact between microorganisms and pollutants, and has a significant removal effect; under oxygenation conditions, ammonia nitrogen is oxidized to nitrate nitrogen by nitrifying bacteria;

When the sewage in the aerobic tank 300 rises to the water level line 17 and reaches the overflow pipe 6 on the upper side of the third concrete retaining wall 7, the sewage in the aerobic tank 300 passes through the overflow pipe 6 on the upper side of the third concrete retaining wall 7. Entering the anaerobic effluent tank 400, the denitrifying bacteria in the anaerobic effluent tank 400 further denitrify the nitrate nitrogen in the sewage into nitrogen and discharge it, and the denitrification and phosphorus removal effect is remarkable;

When the sewage in the aerobic tank 300 rises to the water level line 17 and reaches the overflow pipe 6 on the upper side of the fourth concrete retaining wall 7 , the sewage in the aerobic tank 300 passes through the overflow pipe 6 on the upper side of the fourth concrete retaining wall 7 The anaerobic effluent pond 400 flows backward, and the anaerobic effluent pond 400 flows through the overflow pipe 6 on the upper side of the fourth concrete retaining wall 7 during the non-flood season.

The main bacterial species contained in each treatment pool and their corresponding functions are as follows:

The microbial agents in the dosing pipe 3 can degrade the microorganisms into the modified substrate. The modified substrates mentioned here include a variety of substrates: the gravel substrate 5, the ecological substrate 11 and the substrate in the planting tank 16, etc. (submerged plants can grow directly in the water body. , the surface emergent plants can use light planting soil) to promote the formation of composite biofilm on the surface of the modified substrate, enhance the activity of biofilm, improve the purification ability of pollutants, and build a microorganism-substrate system with enhanced purification effect of pollutants , to further enhance the removal of water pollutants. A treatment system that combines physical, chemical, and biological reactions has high efficiency, low maintenance technology, and is not limited by seasonal temperature.

The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Equivalent changes and modifications made by any person skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. a small-scale river channel black and odorous water treatment system is characterized in that: comprising purification pool (100), anaerobic fore-pond (200), aerobic pool (300) and anaerobic outlet pool (400), purification pool (100 ) and the anaerobic fore-pond (200), between the anaerobic fore-pond (200) and the aerobic pool (300), and between the aerobic pool (300) and the anaerobic effluent pool (400) are respectively provided with overflows Flow structure; one of the side walls of the purification tank (100) is a permeable wall (2), the sewage can enter the purification tank (100) through the permeable wall (2), and the purification tank (100) is provided with a dosing pipe (3) , and a gravel matrix (5) is laid in the bottom of the purification tank (100); a floating bed and an ecological base (11) for attaching microorganisms are provided in the aerobic tank (300), and the floating bed includes a floating bed frame (12) and a floating bed frame (12) The connected floating body (14), the floating bed frame (12) is provided with aquatic plants (15); the anaerobic fore-pond (200) and the anaerobic outflow pond (400) are both aerated by an aeration methane machine, and the aerobic pond (300 ) is aerated by an oxygen-enhancing aerator (10). 2. A small-scale river channel black and odorous water treatment system as claimed in claim 1, characterized in that: the aeration methane machine comprises an aeration pump (8) connected to a methane pipeline, and an air outlet of the aeration pump (8) Two pipelines (9) are connected, and the two pipelines (9) respectively extend into the anaerobic forepond (200) and the anaerobic effluent tank (400). 3. a kind of small-scale river channel black and odorous water treatment system as claimed in claim 1, is characterized in that: aerator (10) is the submersible air pump (26) that connects air inlet pipe (25), submersible air pump (26) It is arranged in the aerobic pool (300), and the top of the air inlet pipe (25) extends out of the aerobic pool (300). 4. A kind of small-scale river channel black and odorous water treatment system as claimed in claim 1, is characterized in that: between purification pool (100) and anaerobic fore-pond (200), anaerobic fore-pond (200) and aerobic pool Overflow pipes (6) are respectively provided between (300) and between the aerobic tank (300) and the anaerobic outlet tank (400). 5. A small-scale river channel black and odorous water treatment system according to claim 1, characterized in that: the permeable wall (2) is made of permeable bricks. 6. A small-scale river channel black and odorous water treatment system according to claim 1, characterized in that: the floating bed frame (12) is provided with a planting plate (13), and the planting plate (13) is provided with a planting plate (13) for planting aquatic plants. The planting tank (16) of (15), the aquatic plants (15) are planted in the planting tank (16) of the planting tray (13). 7. A small-scale river channel black and odorous water treatment system according to claim 1, characterized in that: a through hole (4) is provided on the pipe wall of the dosing pipe (3). 8. A small-scale river channel black and odorous water treatment system as claimed in claim 1, characterized in that: purification pool (100), anaerobic fore-pond (200), aerobic pool (300) and anaerobic effluent pool (400) ) are sequentially arranged in the river channel (20) from front to back, the permeable wall (2) is the front side wall of the purification tank (100), and the front side of the permeable wall (2) is provided with a sludge discharge pump (1). 9. A small-scale river channel black and odorous water treatment system according to claim 1, characterized in that: the material of the ecological base (11) is a porous fiber material.

Images