CN210480986U

CN210480986U - Fungus algae bed sewage treatment plant

Info

Publication number: CN210480986U
Application number: CN201920995345.3U
Authority: CN
Inventors: 黄全江; 刘伟
Original assignee: Guangdong Zihua Technology Co Ltd
Current assignee: Guangdong Shunkong Zihua Technology Co.,Ltd.
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-08
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a fungus-algae bed sewage treatment device, which comprises a tank body, wherein a water distribution device, an aeration supplementing device, a packing assembly and a water outlet collecting device are sequentially arranged in the tank body from bottom to top; the packing components are arranged in an array and are close to each other; the inner side of the packing component is provided with a light source supplementing device; the middle part of the inner side of the tank body is provided with a vertically arranged central tube, and the inner part and the outer side of the central tube are provided with the packing components; the effluent collecting device is positioned at the upper part of the inner wall of the tank body. The utility model provides a fungus algae bed sewage treatment plant has better nitrogen and phosphorus removal ability and heavy metal adsorption capacity when reducing the unit and handling the energy consumption, and water treatment is effectual.

Description

Fungus algae bed sewage treatment plant

Technical Field

The utility model relates to a sewage treatment field especially relates to a fungus algae bed sewage treatment plant.

Background

Along with the gradual deepening of the understanding of our country on the environmental problems and the increasing of the environmental protection of our country, the efficiency of collecting and treating domestic sewage is continuously improved. But at the same time it cannot be denied that: the unit water treatment cost of the existing sewage treatment mode is high, a large amount of energy required to be consumed lies in the collection, lifting and aeration of sewage, and meanwhile, nitrogen and phosphorus in the existing large-scale sewage treatment plant are often not up to the standard when water treatment is carried out, so that the treatment effect on substances such as heavy metals and antibiotics in a water body is basically absent, and the final treatment of sludge after the water treatment is also a big problem. The problem of how to save the water treatment cost and reduce the generation and discharge of excess sludge under the condition of ensuring the effluent quality of a sewage plant is an important direction of water treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fungus algae bed sewage treatment plant has better nitrogen and phosphorus removal ability and heavy metal adsorption ability when reducing the unit and handling the energy consumption, and water treatment is effectual.

In order to achieve the aim, the utility model provides a bacteria-algae bed sewage treatment device, which comprises a tank body, wherein a water distribution device, an aeration supplementing device, a filler component and a water outlet collecting device are sequentially arranged in the tank body from bottom to top; the packing components are arranged in an array and are close to each other; the inner side of the packing component is provided with a light source supplementing device; the middle part of the inner side of the tank body is provided with a vertically arranged central tube, and the inner part and the outer side of the central tube are provided with the packing components; the effluent collecting device is positioned at the upper part of the inner wall of the tank body.

As a further improvement of the utility model, the aeration supplementing device is annularly arranged below the filler component.

As a further improvement of the utility model, the central tube is communicated up and down; the bottom of the central pipe is lower than the aeration supplementing device and higher than the water distribution device, and the top of the central pipe is higher than the top of the packing component.

As a further improvement, the water distribution radius of the water distribution device is larger than the radial dimension of the central tube, and the water outlet direction of the water distribution device is upward.

As a further improvement of the utility model, the filler component comprises a filler bracket and a biological rope filler; the filler support is a polygonal cylinder with only seamed edges; the biological rope filler is spirally wound on the side wall of the filler support.

As a further improvement of the present invention, the packing member is arranged in a honeycomb shape.

As a further improvement of the present invention, the light source supplementing device is located in the middle of the packing assembly; the light source supplementing device is a lamp tube which is vertically arranged; the packing component is provided with an installation part of a light source supplementing device.

As a further improvement of the utility model, the effluent collecting device comprises an annular water tank arranged on the inner side wall of the tank body, and a triangular weir structure is arranged on the annular water tank towards one side of the center of the tank body; the tank body is also provided with a drain pipe communicated with the annular water tank.

As a further improvement of the utility model, the lower part of the tank body is provided with an emptying pipe.

Advantageous effects

Compared with the prior art, the utility model discloses a fungus algae bed sewage treatment plant's advantage does:

1. when the bacteria-algae bed sewage treatment device is used, the device is provided with the unpowered stirring and mixing device and the backflow device, and uniform water distribution and mixing are realized by means of diversion setting and water body power. Algae are attached to the filler assembly in advance, and the algae can be continuously subjected to photosynthesis through the light source supplementing device, so that the aeration quantity required by the system can be greatly reduced. Meanwhile, the algae has a good adsorption effect, and can well remove harmful substances such as nitrogen, phosphorus, heavy metals and the like in the water body. The floor area is small and compact, the installation is convenient, and meanwhile, the treatment can be carried out in a buried mode, so that the landscape greening is facilitated. No power stirring and reflux equipment is needed, and the operation and maintenance are simple. Meanwhile, the device has less mud production.

2. The fungus algae in the device can carry out photosynthesis by itself, and the aeration is opened only when intaking too big, and external device is few simultaneously, and whole power consumption is lower. The solar energy water distribution device, the aeration supplementing device and the light source supplementing device can be supplied with energy through solar energy, and zero energy consumption is realized.

3. The sewage enters the tank body from a water distribution device at the bottom of the tank body, and the water flow upwards enters a filler area at the periphery of the central pipe and is treated by bacteria and algae on the filler component. Because the water distribution radius of the water distribution device is larger than the radial size of the central pipe, the water flow speed of the packing component outside the central pipe is larger than that of the packing component inside the central pipe, and the water pressure inside the central pipe at the same water site is larger than that outside the central pipe by combining the gas action of the aeration pipe. Under the action of pressure difference, the water bodies form circulation in the central tube and the filler components outside the central tube, specifically, the water flows on the periphery of the central tube and on the inner side of the central tube are downward, so that the water bodies are fully mixed, and the sewage is treated by bacteria and algae more thoroughly.

4. The filler support is a polygonal cylinder with only edges, so that the adjacent filler supports are arranged more tightly, partial water is prevented from being discharged without being treated by bacteria and algae, and all water is ensured to be treated.

5. The light source supplementing device is a vertically arranged lamp tube, so that the algae attached to the filler component at different heights can be uniformly illuminated with the same intensity, and the adsorption capacity, nitrogen and phosphorus removal capacity and heavy metal removal capacity of all the algae can be fully exerted.

6. The effluent collecting device comprises an annular water tank, and a triangular weir structure is arranged on the annular water tank towards the side wall of the center of the tank body, so that uniform effluent can be ensured, and short flow is avoided.

7. The device is simple to operate, does not need special maintenance, and equipment safety is high.

8. The device can be flexibly arranged according to the quality and the quantity of raw water, can be used for sewage conventional treatment and advanced treatment, and has wide applicability. The device professional technical requirement is lower, and degree of automation is high, and high integration can carry out the modularization production.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of a bacterial-algae bed sewage treatment device;

FIG. 2 is a top view of the bacterial-algae bed sewage treatment device;

FIG. 3 is a view taken along line A-A of FIG. 1;

fig. 4 is a schematic structural view of a packing assembly.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

The utility model discloses a concrete implementation mode is as shown in fig. 1 to fig. 4, a fungus algae bed sewage treatment plant, including jar body 1, be equipped with water distribution device 3, aeration supplementary device 6, filler subassembly 4 and play water collection device 5 from bottom to top in proper order in jar body 1. The packing elements 4 are arranged in an array and in close proximity to each other. The inner side of the padding assembly 4 is provided with a light source supplementing device 8. The middle part of the inner side of the tank body 1 is provided with a central tube 2 which is vertically arranged, and the inner part and the outer side of the central tube 2 are both provided with a packing component 4. The water outlet collecting device 5 is positioned at the upper part of the inner wall of the tank body 1. The cross section of the tank 1 is circular. The top of the can body 1 is open.

The aeration supplementing device 6 is annularly arranged below the filler component 4. The aeration supplementing device 6 comprises an annular aeration pipe, and a plurality of aeration heads 62 are arranged on the aeration pipe at intervals along the axial direction of the pipe. The aeration pipe is provided with a first water inlet pipe 61 extending out of the tank body 1.

The central tube 2 is communicated up and down. The bottom of the central pipe 2 is lower than the aeration supplementing device 6 and higher than the water distribution device 3, and the top of the central pipe 2 is higher than the top of the packing component 4. In the embodiment, the bottom of the central pipe 2 is 10-30cm lower than the aeration supplementing device 6, and the top of the central pipe 2 is 20-30cm lower than the effluent water level.

The water distribution radius of the water distribution device 3 is larger than the radial dimension of the central pipe 2, and the water outlet direction of the water distribution device 3 is upward. When distributing water, the upward water flow basically does not enter the central pipe 2. The water distribution device 3 comprises water distribution pipes which are annularly arranged, and a second water inlet pipe 31 which extends out of the tank body 1 is arranged on each water distribution pipe. The water distribution pipe is provided with a plurality of water outlet holes which are vertically upward.

The packing assembly 4 includes a packing support 41 and bio-cord packing 42. The filler holder 41 is a polygonal cylinder with only edges. The bio-rope filler 42 is tightly wound on the outer side wall of the filler bracket 41 in a spiral shape. Specifically, the filler holder 41 has a frame structure formed by bonding plastic bars or welding steel bars. The packing elements 4 are arranged in a honeycomb shape. The bio-cord filler 42 has excellent adhesion to algae and sludge.

The light source supplement device 8 is located in the middle of the packing assembly 4. Specifically, the light source supplementing device 8 is a vertically arranged lamp tube. The packing set 4 is provided with a mounting portion 44 of the light source supplement device 8. The mounting portion 44 is a sleeve structure, and the bottom of the mounting portion is fixedly connected to the filler holder 41, and the bottom of the lamp tube is inserted into the inner side of the top of the sleeve structure. The mounting portion 44 may be provided with an electric wire connected to the light source supplement device 8, and a connection portion between the electric wire and the light source supplement device 8 may be subjected to waterproofing treatment. The electric wire extends to the outside of the tank body 1 and is connected with a power supply. In addition, the light source supplementing device 8 may be a plurality of bulbs arranged in the vertical direction.

In this embodiment, the inboard of jar body 1 is equipped with the fretwork support 9 of horizontal arrangement, and the outward flange and the jar body 1 fixed connection of fretwork support 9. The central tube 2 is connected with the middle part of the hollow bracket 9. The packing component 4 is placed on the hollowed-out support 9. In addition, the hollow support 9 can also be arranged above the packing component 4, and the hollow support 9 adopts a connection mode of hoisting the packing component 4.

The effluent collecting device 5 comprises an annular water tank 51 arranged on the inner side wall of the tank body 1, and a triangular weir structure 52 is arranged on one side of the annular water tank 51 facing the center of the tank body 1. The tank 1 is also provided with a drain pipe 53 communicating with the annular water tank 51. The water treated by the algae on the packing assembly 4 flows from the triangular weir structure 52 into the annular water trough 51 and is drained away through the drain pipe 53.

The lower part of the tank body 1 is provided with an emptying pipe 7. When the bacteria-algae bed sewage treatment device is stopped to be used and needs to be cleaned, the water in the tank body 1 is discharged through the emptying pipe 7, so that personnel can clean the inner cavity of the tank body 1 or replace the filler component 4 conveniently.

After primary sedimentation and filtration, the sewage directly enters the bacterial-algae bed sewage treatment device for treatment. Sewage is pumped into the water distribution device 3 by a booster pump, and water is uniformly distributed in the honeycomb packing area at the outer side. After entering the honeycomb filler area, the sewage is treated by a bacteria-algae system on the biological rope filler 42, and the bacteria-algae system simultaneously adsorbs harmful substances such as heavy metals, antibiotics and the like in the sewage. The treated water enters the annular water tank 51 through the triangular weir structure 52 to be collected and discharged.

The inlet water adopts simulated domestic wastewater, and the water quality conditions are as follows: 350mg/L, BOD₅：200mg/L，NH₃-N: 30mg/L, TP: 4 mg/L. Sewage enters the reaction device from a water replenishing device at the bottom of the tank body, and water flows upwards to enter a filler area at the periphery of the central pipe and is treated by a bacteria-algae system on the filler. Due to the action of inflow water flow and gas, water bodies form circulation in the central pipe and the filler area outside the central pipe, so that the water bodies are fully mixed, the treated water is collected and discharged out of the tank body through the water outlet triangular weir structure collecting device, and the retention time of sewage in the device is about 10-12 h. The quality of the effluent is detected as follows: CODcr: 35mg/L, BOD₅：7mg/L，NH₃-N: 2mg/L, TP: 0.2mg/L, SS: 5mg/L, COD removal rate of 90 percent, BOD₅The removal rate is more than 95 percent, NH₃And TP are lower than the first grade A discharge standard of the urban sewage treatment plant.

The bacterial-algae bed sewage treatment device can effectively remove organic matters, ammonia nitrogen and phosphorus in domestic sewage, and can also remove harmful substances such as heavy metals and antibiotics in water, so that the content of the harmful substances in the effluent is lower than a preset limit value; the device has the advantages of simple structure, high integration degree, small occupied area, obvious treatment effect, almost no sludge discharge, high pollutant removal rate, low investment cost, simple maintenance and management, low operating cost, remote control and other effects.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. A fungus-algae bed sewage treatment device comprises a tank body (1), and is characterized in that a water distribution device (3), an aeration supplementing device (6), a packing component (4) and a water outlet collecting device (5) are sequentially arranged in the tank body (1) from bottom to top; the packing components (4) are arranged in an array and are close to each other; the inner side of the packing component (4) is provided with a light source supplementing device (8); a vertically arranged central pipe (2) is arranged in the middle of the inner side of the tank body (1), and the packing assemblies (4) are arranged inside and outside the central pipe (2); the water outlet collecting device (5) is positioned at the upper part of the inner wall of the tank body (1).

2. A bacterial-algae bed sewage treatment plant according to claim 1, wherein the aeration supplementary device (6) is arranged annularly below the packing assembly (4).

3. A bacterial-algae bed sewage treatment plant according to claim 2, wherein the central pipe (2) is in up-and-down communication; the bottom of the central pipe (2) is lower than the aeration supplementing device (6) and higher than the water distribution device (3), and the top of the central pipe (2) is higher than the top of the packing component (4).

4. A bacterial-algae bed sewage treatment unit according to claim 3, characterized in that the water distribution radius of the water distribution device (3) is larger than the radial dimension of the central pipe (2), and the water outlet direction of the water distribution device (3) is upward.

5. A bacterial-algae bed sewage treatment plant according to any one of claims 1 to 4, wherein the packing assembly (4) comprises a packing support (41) and bio-rope packing (42); the filler support (41) is a polygonal cylinder with only edges; the biological rope filler (42) is spirally wound on the side wall of the filler bracket (41).

6. A bacterial-algae bed sewage treatment plant according to claim 5, wherein the packing elements (4) are arranged in a honeycomb form.

7. A fungal and algal bed effluent treatment plant according to claim 1 or 6 wherein said light source supplement means (8) is located in the middle of the packing assembly (4); the light source supplementing device (8) is a lamp tube which is vertically arranged; the packing component (4) is provided with a mounting part (44) of the light source supplementing device (8).

8. A bacterial-algae bed sewage treatment device according to claim 7, wherein the effluent collecting device (5) comprises an annular water tank (51) arranged on the inner side wall of the tank body (1), and a triangular weir structure (52) is arranged on one side of the annular water tank (51) facing to the center of the tank body (1); the tank body (1) is also provided with a drain pipe (53) communicated with the annular water tank (51).

9. A bacterial-algae bed sewage treatment plant according to claim 1, wherein the tank body (1) is provided with a drain pipe (7) at the lower part.