CN211570253U - A sewage treatment device based on immobilized algae-bacteria symbiosis system - Google Patents

Abstract

The utility model discloses a sewage treatment device based on an immobilized algae-bacteria symbiosis system, comprising a sewage treatment device body, a No. 1 box, a No. 2 box and a communication pipe. The No. 1 box is composed of a stirring unit, a bath bacteria biochemical The No. 2 box is composed of an MBR membrane processing unit and an inter-equipment unit. The MBR membrane processing unit is equipped with a hollow fiber membrane packer, and the inter-equipment unit is equipped with a blower, a dosing barrel, a control cabinet, backwash pump and self-priming pump, the aeration tank at the lower end of the hollow fiber membrane unit is connected with the aeration pipe. The utility model ensures that the ratio of illumination area to volume of the algal biochemical unit meets the requirements by arranging light-emitting diodes, and the stirring unit stirs the sewage evenly before entering the bacterial biochemical unit, so that the sewage is evenly contacted with the elastic three-dimensional filler, and the sewage treatment efficiency is improved. The filter unit can filter out the algae and sludge in the sewage and prevent the connecting pipe from being blocked.

Description

A sewage treatment device based on immobilized algae-bacteria symbiosis system

technical field

The utility model relates to the field of water treatment, in particular to a sewage treatment device based on an immobilized algal-bacteria symbiotic system.

Background technique

Due to the acceleration of urbanization and the development of economic construction, the discharge of urban sewage has increased rapidly, and a large amount of untreated urban sewage is arbitrarily discharged, which not only causes pollution of the water environment, but also aggravates the tension of water resources, and restricts the economic development of cities and towns. development and endanger human health. The activated sludge method is widely used in my country to treat urban sewage. Although the removal efficiency is good, it has high energy consumption and complicated process flow. Moreover, the sewage and sewage can easily carry algae and other substances through the bacteria biochemical unit, which leads to the blockage of the internal communication pipeline.

Utility model content

The utility model aims to provide a sewage treatment device based on the symbiotic system of immobilized algae and bacteria, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sewage treatment device based on an immobilized algae-bacteria symbiosis system, comprising a sewage treatment device body, a sewage inlet pipe, an algae-bacteria biochemical unit, an MBR membrane unit, an equipment unit, and a connecting pipe. , partition, the sewage treatment device body is divided into No. 1 box body and No. 2 box body, the left side of the sewage treatment device body has an overflow outlet, a water inlet and a water outlet, and the upper end of the sewage treatment device body There is a basket grille, a manhole and a cover plate. The No. 1 box has a sewage inlet pipe. One end of the sewage inlet pipe is connected to the water inlet, and the other end passes through the No. 1 box upward and leads to the basket grille. , the No. 1 box is composed of 3 units, which are a stirring unit, a bath bacteria biochemical unit and a filtering unit. There is a connecting pipe on the right side of the No. 1 box, and the other end of the connecting pipe is connected to the upper end of the No. 2 box. The water inlet, the water inlet at the upper end of the No. 2 box is higher than the water surface to prevent the backflow of sewage. The sewage enters the No. 2 box from the No. 1 box through the pump, and the No. 2 box is separated by the MBR membrane treatment unit and the equipment. The MBR membrane treatment unit is equipped with a hollow fiber membrane packer, and the equipment room unit is divided into 4 parts by the partition plate, and the blower, the dosing barrel, the control cabinet, the backwash pump and the self-priming pump are respectively placed. The hollow fiber membrane packer is provided with a water production port, the self-priming pump is connected to the water production port to pump out water, and the aeration tank at the lower end of the hollow fiber membrane packer is connected with the aeration pipe.

Further, there are two stirring devices in the stirring unit, and the rotating shafts of the two stirring devices are arranged vertically to each other;

Further, one of the stirring equipment has 6 vertical stirring blades, and the other stirring equipment has 8 horizontal stirring blades and 2 stirring blades with an angle of 45 degrees from the horizontal;

Further, the bacteria biochemical unit is provided with a filler bracket, a three-dimensional elastic filler, and a light-emitting diode, the three-dimensional elastic filler is an immobilized filler, and the filler volume filling rate is 70% of the tank capacity of the bacteria biochemical unit. There are 6, and 3 are set up and down;

Further, the middle of the filter unit is divided into two parts by a partition, and each part has 2 gates before and after, and the 2 parts are separately formed into an independent closed space, and there are 2 filter screens arranged at intervals in each space;

Further, a settling plate and a bottom plate are provided on the filter screen, the settling plate and the horizontal are at an included angle of 20 degrees, the settling plate is provided with a receiving groove near the filter screen, and the bottom plate is a horizontal groove body;

Compared with the prior art, the beneficial effects of the present utility model are:

(1) By setting up light-emitting diodes, it is ensured that the ratio of light area to volume of the algal biochemical unit meets the requirements, and the instability problem caused by the change of the intensity of natural light sources with time and weather is solved;

(2) The setting of the stirring equipment can make the sewage evenly stirred before entering the bacteria biochemical unit, so that the sewage can be evenly contacted with the elastic three-dimensional packing, and the efficiency of sewage treatment can be improved;

(3) The setting of the filter area can filter out the algae and sludge in the sewage and prevent the connecting pipe from being blocked.

Description of drawings

1 is a top view of an embodiment;

Figure 2 is a schematic structural diagram of the No. 1 box according to the embodiment;

3 is a top view of the filter unit according to the embodiment;

4 is a schematic structural diagram of the filter screen according to the embodiment;

5 is a schematic structural diagram of the No. 2 box body according to the embodiment;

6 is a left side view of the embodiment;

FIG. 7 is a right side view of the embodiment.

Detailed ways

The specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1, a sewage treatment device based on an immobilized algae-bacteria symbiosis system includes a sewage treatment device body 1, an overflow discharge port 2, a water inlet 3, a water outlet 4, an MBR membrane tank discharge port 5, and sewage The water inlet pipe 6, the communication pipe 7, the basket grille 8, the manhole 9, the cover plate 10, the sewage treatment device body is divided into No. 1 box 12 and No. 2 box 28, the left side of the sewage treatment device body 1 There are overflow and emptying ports 2, water inlets 3, and water outlets 4. The upper end of the sewage treatment device body is provided with a basket grille 8, a manhole 9 and a cover plate 10; as shown in Figure 2, the No. 1 box 12. A sewage water inlet pipe 6 is fixed inside. One end of the sewage water inlet pipe 6 is connected to the water inlet 3, and the other end passes upward through the No. 1 box 12 and then leads to the basket grill 8. The No. 1 box 12 consists of three The unit is composed of a stirring unit 101, a bath bacteria biochemical unit 102 and a filtering unit 103. The stirring unit 101 has two stirring devices, a stirring device 29 and a stirring device 30, and the rotating shafts of the two stirring devices are arranged perpendicular to each other, so The stirring device 29 has 6 vertical stirring blades, the stirring device 30 has 8 horizontal stirring blades and 2 stirring blades with an angle of 45 degrees from the horizontal, and the bath bacteria biochemical unit 102 is provided with a filler support 15, a three-dimensional Elastic fillers 16 and light-emitting diodes 17. The three-dimensional elastic fillers 16 are immobilized fillers, and the volume filling rate of the fillers is 70% of the tank capacity of the algal biochemical unit 102. There is a communication pipe 7 on the right side of the No. 1 box 1; as shown in Figure 3, the filter unit 103 is divided into two parts by a partition 2605 in the middle, the first part has two gates before and after, the gate 2601 And the gate 2603, the second part has two gates before and after, the gate 2602 and the gate 2604, the gate and the partition 2605 separate the two parts into a closed and independent space, and there are two spaces inside each space. The set filter screen 25; as shown in FIG. 4 , the filter screen 25 is provided with a settling plate 2501 and a bottom plate 2503, the settling plate 2501 and the horizontal are at an included angle of 20 degrees, and the settling plate 2501 is in phase with the filter screen 25. There is a receiving groove 2502 at the junction, and the bottom plate 2503 is a horizontal groove body; as shown in FIG. 7 , one end of the communication pipe 7 is connected to the No. 1 box body 12 and the other end is connected to the water inlet of the No. The upper water inlet of the No. 2 box 28 is higher than the water surface to prevent the sewage from flowing backward. The sewage enters the No. 2 box 28 from the No. 1 box 12 through a pump; as shown in FIG. 6, the No. 1 box 12 is provided with The overflow and emptying port 2, the water inlet 3, and the No. 2 tank body 28 are provided with a water outlet 4; as shown in FIG. The membrane processing unit 13 is provided with a hollow fiber membrane packer 18, the hollow fiber membrane packer 18 is provided with a water production port, the aeration tank at the lower end of the hollow fiber membrane packer 18 is connected with the aeration pipe 19, and the equipment inter-unit 14 It is divided into 4 parts by the partition, and the 4 parts are respectively placed with the blower 21, the dosing barrel 22, and the control cabinet 2 3. The backwash pump 24 and the self-priming pump 20 , the self-priming pump 20 draws water out from the water outlet 4 .

The working principle of this utility model example is:

The sewage enters the water inlet pipe 6 through the water inlet 3, increases the elevation through the lift pump, and then pours into the No. 1 box 12 through the basket grille 8, and the sewage enters the No. 1 box 12. In the stirring unit 101, due to the stirring equipment 29 and The stirring shafts of the stirring device 30 are perpendicular to each other, and various substances in the sewage are fully stirred in both horizontal and vertical directions, and then the sewage enters the bath bacteria biochemical unit 102 to react with the algae and activated sludge on the elastic three-dimensional packing 16 evenly. To remove pollutants in the water, the light-emitting diode 17 can ensure that the ratio of the light area to the volume of the algal biochemical unit 102 meets the requirements, and solve the instability problem caused by the change of the intensity of the natural light source with time and weather, and is processed by the algal biochemical unit 102 After the sewage enters the filter unit 103, the filter unit is divided into two parts by the partition 2605. When the filter screen of one part needs to be cleaned and replaced, the two gates of this part are closed, and the two gates of the other part are opened, In this way, the filter unit 103 can be operated alternately without interruption. The filter screen 25 is provided with a settling plate 2501, a storage tank 2502 and a bottom plate 2503, so that the algae and sludge intercepted by the filter screen 25 can be stored in the storage tank 2502, the settling plate 2501 and the bottom plate 2503. On the bottom plate 2503, when the filter screen 25 is replaced, it is taken out for cleaning, and the filtered sewage removes substances such as algae and sludge, so that the sewage entering the communication pipe 7 is not easy to cause blockage, and the communication pipe 7 is in the No. 2 box. The water inlet of 28 is set at the upper end of the box body higher than the liquid level of the sewage, so that the sewage will not flow back from the No. 2 box 28 to the No. 1 box 12. After the sewage is sucked into the No. 2 box by a pump, the MBR membrane treatment unit 13 will treat the sewage. Further decomposition, the MBR membrane treatment unit 13 is equipped with a hollow fiber membrane packer 18. Under the suction action of the self-priming pump 20 in the equipment room unit, the sewage passes through the MBR membrane treatment unit 13 and is discharged from the water outlet 4, and the inside of the control cabinet 23 There is a monitoring instrument, which controls the intensity of the light-emitting diode 17 according to the signal provided by the light intensity, and can control the start and stop of the self-priming pump 20, the backwash pump 24, and the blower 21 at the same time.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (6)

1. The utility model provides a based on immobilization phycomycete intergrowth system sewage treatment plant, includes sewage treatment plant body, sewage inlet tube, the biochemical unit of phycomycete, MBR membrane unit, unit between the equipment, its characterized in that: the sewage treatment device comprises a sewage treatment device body and is characterized by further comprising a stirring unit, a light-emitting diode and a filtering unit, wherein the sewage treatment device body is divided into a No. 1 box body and a No. 2 box body, a sewage inlet pipe is fixed inside the No. 1 box body, one end of the sewage inlet pipe is connected with a water inlet, the other end of the sewage inlet pipe penetrates out of the No. 1 box body upwards and then is led to a basket lifting grid, the No. 1 box body consists of 3 units, namely a stirring unit, a bathing bacteria biochemical unit and the filtering unit, a communicating pipe is arranged on the right side of the No. 1 box body, the other end of the communicating pipe is connected with a water inlet at the upper end of the No. 2 box body, the water inlet at the upper end of the No. 2 box body is higher than the water surface, the No. 2 box body consists of an MBR membrane treatment unit and an equipment room unit, the aeration tank at the lower end of the hollow fiber membrane module is communicated with an aeration pipe.

2. The immobilized algae symbiotic system based sewage treatment device according to claim 1, wherein 2 stirring devices are arranged in the stirring unit, and the rotating shafts of the 2 stirring devices are perpendicular to each other.

3. The immobilized algae symbiotic system based sewage treatment device according to claim 2, wherein one of the stirring devices has 6 vertical stirring blades, the other stirring device has 8 horizontal stirring blades and 2 stirring blades at an angle of 45 degrees with the horizontal.

4. The device for treating the sewage based on the immobilized phycobiont system according to claim 1, wherein the algae biochemical unit is provided with a filler bracket, a three-dimensional elastic filler and 3 light emitting diodes, the three-dimensional elastic filler is an immobilized filler, the filler volume filling rate is 70% of the pool volume of the algae biochemical unit, and the number of the light emitting diodes is 6, and the light emitting diodes are arranged at the upper part and the lower part of the pool volume.

5. The device for treating the sewage based on the immobilized phycobiont system according to claim 1, wherein the middle of the filtering unit is divided into two parts by a partition board, 2 flashboards are arranged in front of and behind each part, the 2 parts are separately formed into independent closed spaces, and 2 filtering nets are arranged in each space at intervals.

6. The immobilized algae symbiotic system based sewage treatment device according to claim 5, wherein the filter screen is provided with a settling plate and a bottom plate, the settling plate forms an included angle of 20 degrees with the horizontal plane, the settling plate is provided with a containing groove near the filter screen, and the bottom plate is a horizontal groove body.

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