Aeration bioreactor for advanced sewage treatment

Abstract

The utility model discloses an aeration bioreactor for advanced sewage treatment, which relates to the technical field of advanced sewage treatment and comprises a treatment tank, a support is fixedly connected in the treatment tank, a membrane bioreactor is fixedly connected at the upper end of the support, a plurality of hollow fiber membranes are horizontally arranged in the membrane bioreactor side by side, and the hollow fiber membranes are fixedly connected with the support. A backwashing assembly is arranged on the upper side of the membrane bioreactor, an aeration mechanism is arranged on the lower side of the membrane bioreactor, and the membrane bioreactor is connected with a clean water tank through a water pumping component; through cooperation of a flushing assembly and a lifting module, the outer surface of the membrane bioreactor is flushed, an electromagnetic valve III is opened during flushing, and a flushing hose is communicated with a water pumping pipe, so that back flushing is performed on the interior of the membrane bioreactor, and the effect of efficiently cleaning a main body of the membrane bioreactor is achieved; the oxygen content in water is increased through the aeration assembly, and the sewage treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage advanced treatment technical field, specifically is a kind of sewage advanced treatment with aeration bioreactor. BACKGROUND

[0002] Water is the source of life, the basis of all ecological environment on earth, and a natural resource that cannot be replaced for the development of human society. With the development of economy and society, people's living standards gradually improve, and water safety problems are increasingly valued. Membrane biological reactor (MBR) is a high-efficiency sewage treatment system combining biochemical reactor and membrane separation technology. It can effectively retain activated sludge in the biochemical reactor and has good solid-liquid separation effect.

[0003] The membrane biological reactor disclosed in the patent with the patent announcement number CN217025687U includes a treatment box and a support for supporting the treatment box. The treatment box is provided with a water inlet pipe. The bottom of the treatment box is provided with an aeration assembly for blowing ozone. The top of the treatment box is provided with a feeding assembly for feeding activated carbon powder. The treatment box is internally provided with a membrane biological reactor. The clean water in the clean water pool is pumped to the membrane cloth of the membrane biological reactor by a flushing pump to flush the outer wall of the membrane cloth of the membrane biological reactor.

[0004] However, the existing technology has the following defects: only the outer wall of the membrane cloth can be flushed, and the effect of full-range efficient flushing and backwashing cannot be achieved. The flushing effect is not obvious, and the sludge is easy to block the membrane biological reactor, which cannot continuously purify sewage.

[0005] Therefore, the present application provides a sewage advanced treatment aeration bioreactor to eliminate the drawbacks of the existing device. UTILITY MODEL CONTENT

[0006] The utility model aims to provide a sewage advanced treatment aeration bioreactor to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A sewage advanced treatment aeration bioreactor includes a treatment tank, a support fixedly connected inside the treatment tank, a membrane biological reactor fixedly connected to the upper end of the support, a plurality of hollow fiber membranes horizontally arranged in the membrane biological reactor, a backwashing assembly arranged on the upper side of the membrane biological reactor, an aeration mechanism arranged on the lower side of the membrane biological reactor, and a water pumping component connected to the membrane biological reactor and a clean water pool.

[0009] On the basis of the above technical solutions, the utility model further provides the following optional technical solutions.

[0010] In an alternative scheme: the water pumping component includes a water pumping pipe, one end of the water pumping pipe is fixedly connected with the membrane bioreactor, the other end of the water pumping pipe is connected with the water inlet of a water pumping pump, the water outlet of the water pumping pump is fixedly connected with the clean water pool, and the water pumping pipe is provided with electromagnetic valve one.

[0011] In an alternative scheme: the flushing assembly includes a flushing pump, the water inlet of the flushing pump is fixedly connected with the clean water pool, the water outlet of the flushing pump is fixedly connected with the flushing head through a flushing hose, the flushing head is provided with a plurality of spray heads, the flushing head is fixed on the inner wall of the treatment tank through a lifting module, the flushing hose is provided with electromagnetic valve two, the flushing hose is connected with the water pumping pipe through a connecting pipe, and the flushing hose is provided with electromagnetic valve three.

[0012] In an alternative scheme: the lifting module includes two collars, the two collars are sleeved on the outer end of the flushing head, the collars are fixedly connected on the output end of a lifting rod, the fixed end of the lifting rod is fixedly connected with a fixed rod, and the fixed rod is fixedly connected on the inner wall of the treatment tank.

[0013] In an alternative scheme: the aeration mechanism includes an aeration pipe, the aeration pipe is arranged in the interior of the treatment box, a plurality of aeration heads are fixedly connected on the aeration pipe, and the aeration pipe is fixedly connected with an air pump outside the treatment box.

[0014] In an alternative scheme: the upper end of the treatment box is provided with a sewage inlet, and the lower end of the treatment box is provided with a sewage outlet.

[0015] In an alternative scheme: the lower end of the treatment box is provided with a supporting leg.

[0016] In an alternative scheme: the lower end of the clean water pool is fixedly connected with a supporting frame.

[0017] Compared with the prior art, the utility model has the beneficial effects as follows:

[0018] The utility model discloses a flushing assembly and a lifting module cooperate, and the outer surface of the membrane bioreactor is flushed, electromagnetic valve three is opened at the same time of flushing, makes the flushing hose and the water pumping pipe intercommunication, thereby the inside of the membrane bioreactor is backflushed, reaches the effect of high -efficient cleaning membrane bioreactor main part, and the aeration assembly increases the oxygen content in water, and increases the sewage treatment effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model.

[0020] Figure 2The cross section view of the utility model.

[0021] Figure 3 The structure diagram of the lifting module of the utility model.

[0022] Annotation of reference signs: 100, treatment tank, 200, support, 300, membrane bioreactor, 301, hollow fiber membrane, 400, clean water pool, 501, water pumping pipe, 502, water pumping pump, 503, electromagnetic valve one, 601, flushing pump, 602, flushing hose, 603, flushing head, 604, spray head, 605, electromagnetic valve two, 606, connecting pipe, 607, electromagnetic valve three, 701, thimble, 702, lifting rod, 703, fixed rod, 801, aeration pipe, 802, aeration head, 803, air pump, 901, sewage inlet, 902, sewage outlet, 903, support leg, 904, support frame. DETAILED DESCRIPTION

[0023] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following is combined with the drawing and example, and the utility model is further detailed.

[0024] In one embodiment, as Figures 1-3 shown, a kind of sewage advanced treatment is aerated bioreactor, including: treatment tank 100, the support 200 of inside fixed connection of the treatment tank 100, the upper end of the support 200 is fixedly connected with membrane bioreactor 300, several hollow fiber membranes 301 are horizontally arranged in the membrane bioreactor 300, the upper side of the membrane bioreactor 300 is equipped with flushing component, the lower side of the membrane bioreactor 300 is equipped with aeration mechanism, the membrane bioreactor 300 is connected with clean water pool 400 by water pumping component, start aeration mechanism and pour oxygen in treatment tank 100, increase the oxygen content in sewage, carry out negative pressure water pumping to membrane bioreactor 300 by water pumping component, and the water treated is pumped into clean water pool 400, the membrane bioreactor 300 is washed by flushing component using clean water in clean water pool 400, and good water body treatment effect is realized.

[0025] In the embodiment, as Figure 1 shown, the water pumping component includes water pumping pipe 501, one end of the water pumping pipe 501 is fixedly connected with membrane bioreactor 300, the other end of the water pumping pipe 501 is connected with the water inlet of water pumping pump 502, the water outlet of water pumping pump 502 is fixedly connected with clean water pool 400, electromagnetic valve one 503 is equipped on the water pumping pipe 501, open electromagnetic valve one 503, and water pumping pump 502 carries out negative pressure water pumping to membrane bioreactor 300, and the water treated is pumped into clean water pool 400, and the treatment of sewage is completed.

[0026] In one embodiment, asFigure 3 As shown, the flushing assembly comprises a flushing pump 601, the water inlet of the flushing pump 601 is fixedly connected with the clean water tank 400, the water outlet of the flushing pump 601 is fixedly connected with the flushing head 603 through the flushing hose 602, a plurality of spray heads 604 are arranged on the flushing head 603, the flushing head 603 is fixed on the inner wall of the treatment tank 100 through the lifting module, the electromagnetic valve two 605 is arranged on the flushing hose 602, the flushing hose 602 is connected with the water suction pipe 501 through the connecting pipe 606, the electromagnetic valve three 607 is arranged on the flushing hose 602, when the membrane bioreactor 300 is flushed, the electromagnetic valve one 503 is closed, the electromagnetic valve two 605 and the electromagnetic valve three 607 are opened, the flushing pump 601 draws clean water in the clean water tank 400, part of which enters the flushing head 603 and is sprayed out through the spray head 604 to flush the surface of the membrane bioreactor 300, and the other part enters the water suction pipe 501 through the connecting pipe 606 to backwash the inner wall of the membrane bioreactor 300, and the two cooperate to make the flushing more uniform and comprehensive.

[0027] In one embodiment, as shown in Figure 3 The lifting module comprises two collars 701, the two collars 701 are sleeved on the outer end of the flushing head 603, the collar 701 is fixedly connected on the output end of the lifting rod 702, the fixed end of the lifting rod 702 is fixedly connected with the fixed rod 703, and the fixed rod 703 is fixedly connected on the inner wall of the treatment tank 100, when the surface of the membrane bioreactor 300 is flushed, the lifting rod 702 extends and retracts the output rod to drive the flushing head 603 to move up and down, and the surface of the membrane bioreactor 300 is comprehensively cleaned.

[0028] In one embodiment, as shown in Figure 2 The aeration mechanism comprises an aeration pipe 801, the aeration pipe 801 is arranged in the treatment tank 100, a plurality of aeration heads 802 are fixedly connected on the aeration pipe 801, and the aeration pipe 801 is fixedly connected with the air pump 803 outside the treatment tank 100. The air pump 803 draws air into the aeration pipe 801 and sprays it out from the aeration head 802, increases the oxygen content in the sewage, and increases the sewage treatment effect.

[0029] In one embodiment, as shown in Figure 2 The upper end of the treatment tank 100 is provided with a sewage inlet 901, and the lower end of the treatment tank 100 is provided with a sludge outlet 902. The sewage is discharged into the treatment tank 100 through the sewage inlet 901, and the impurities are discharged from the sludge outlet 902, so that the impurities in the treatment tank 100 are cleaned.

[0030] In one embodiment, as shown in Figure 1As shown, the lower end of the treatment box 100 is provided with a support foot 903 to support the treatment box 100 and make it more stable.

[0031] In one embodiment, as shown in the drawings, Figure 1 As shown, the lower end of the clean water tank 400 is fixedly connected with a support frame 904 to support the clean water tank 400 and make it more stable.

[0032] The above embodiment discloses a biological aerated filter for advanced treatment of sewage. Sewage is discharged into the treatment box 100 through the sewage inlet 901. The air pump 803 is started to draw air into the aeration pipe 801 and spray it out of the aeration head 802 to increase the oxygen content in the sewage. The electromagnetic valve one 503 is opened, and the water pump 502 is used to draw water from the membrane bioreactor 300 to the clean water tank 400. When the membrane bioreactor 300 is cleaned, the electromagnetic valve one 503 is closed, and the electromagnetic valve two 605 and the electromagnetic valve three 607 are opened. The flushing pump 601 draws clean water from the clean water tank 400, part of which is sprayed out of the nozzle 604 through the flushing head 603 to flush the surface of the membrane bioreactor 300, and the other part is drawn into the water pump 501 through the connecting pipe 606 to backwash the inner wall of the membrane bioreactor 300. When the surface of the membrane bioreactor 300 is flushed, the lifting rod 702 extends and retracts the output rod to move the flushing head 603 up and down to clean the surface of the membrane bioreactor 300.

[0033] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An aerated bioreactor for advanced wastewater treatment, comprising: A treatment tank (100) is fixedly connected to a support (200) inside the treatment tank (100), and a membrane bioreactor (300) is fixedly connected to the upper end of the support (200). The membrane bioreactor (300) is characterized in that a plurality of hollow fiber membranes (301) are arranged horizontally in parallel inside the membrane bioreactor (300), a flushing component is provided on the upper side of the membrane bioreactor (300), an aeration mechanism is provided on the lower side of the membrane bioreactor (300), and the membrane bioreactor (300) is connected to a clear water tank (400) through a water pumping component.

2. The aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The water pumping component includes a water pumping pipe (501), one end of which is fixedly connected to the membrane bioreactor (300), the other end of which is connected to the inlet of a water pump (502), the outlet of which is fixedly connected to a clear water tank (400), and a solenoid valve (503) is provided on the water pumping pipe (501).

3. The aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The flushing assembly includes a flushing pump (601), the inlet of which is fixedly connected to a clear water tank (400), and the outlet of which is fixedly connected to a flushing head (603) via a flushing hose (602). The flushing head (603) is provided with multiple nozzles (604). The flushing head (603) is fixed to the inner wall of the treatment tank (100) via a lifting module. The flushing hose (602) is provided with a second solenoid valve (605). The flushing hose (602) is connected to a water pumping pipe (501) via a connecting pipe (606). The flushing hose (602) is provided with a third solenoid valve (607).

4. The aerated bioreactor for advanced wastewater treatment according to claim 3, characterized in that, The lifting module includes two collars (701), which are sleeved on the outer end of the flushing head (603). The collars (701) are fixedly connected to the output end of the lifting rod (702). The fixed end of the lifting rod (702) is fixedly connected to the fixing rod (703), which is fixedly connected to the inner wall of the treatment tank (100).

5. An aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The aeration mechanism includes an aeration pipe (801), which is located inside the treatment tank (100). Several aeration heads (802) are fixedly connected to the aeration pipe (801), and an air pump (803) is fixedly connected to the outside of the treatment tank (100).

6. The aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The upper end of the treatment tank (100) is provided with a sewage inlet (901), and the lower end of the treatment tank (100) is provided with a sewage outlet (902).

7. An aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The lower end of the processing tank (100) is provided with a support foot (903).

8. An aerated bioreactor for advanced wastewater treatment according to claim 1, characterized in that, The lower end of the clear water tank (400) is fixedly connected to the support frame (904).

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