CN216946442U - Microorganism sewage treatment device - Google Patents

Abstract

The utility model relates to a microorganism sewage treatment device, which comprises a treatment tank, a bacterial sludge sedimentation device and a bacterial sludge feedback device, wherein the treatment tank comprises a tank body with a reaction cavity and a backflow cavity and a water inlet pipe communicated with the backflow cavity; the bacterial sludge sedimentation device comprises a precipitator, a water collecting pipe and a water outlet pipe which are arranged in the backflow cavity, the precipitator is provided with a sedimentation cavity for precipitating bacterial sludge, and the precipitator is provided with a water inlet, a water outlet and a discharge port which are communicated with the sedimentation cavity; the bacterial sludge feedback device comprises a water pump, a bacterial sludge suction pipe communicated with the reflux cavity and the water pump inlet, and a bacterial sludge feedback pipe communicated with the reaction cavity and the water pump outlet. The microbial sewage treatment equipment provided by the utility model treats the treated sewage through the bacterial sludge sedimentation device, so that the bacterial sludge is precipitated in the backflow cavity, and then the bacterial sludge precipitates are conveyed back to the reaction cavity through the bacterial sludge return conveying device and are continuously used for treating the sewage, thereby effectively reducing the loss of the bacterial sludge and reducing the sewage treatment cost.

Description

Microorganism sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to microbial sewage treatment equipment.

Background

Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The biological treatment of sewage is one of the most widely used methods in modern sewage treatment, such as a microbial sewage treatment device disclosed in CN 206767865U. When the sewage is treated by the microorganisms, the problem that bacterial sludge is discharged along with the treated sewage exists, so that the bacterial sludge is lost, and the treatment cost is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a microbial sewage treatment apparatus, which is used to solve the technical problem of bacterial sludge loss caused by the discharge of bacterial sludge along with sewage in the prior art.

The present invention provides a microbial sewage treatment apparatus, comprising: the device comprises a treatment pool, a bacterial sludge sedimentation device and a bacterial sludge feedback device, wherein the treatment pool comprises a pool body with a reaction cavity and a backflow cavity and a water inlet pipe communicated with the backflow cavity; the bacterial sludge precipitation device comprises a precipitator, a water collecting pipe and a water outlet pipe, wherein the precipitator, the water collecting pipe and the water outlet pipe are arranged in the backflow cavity, the precipitator is provided with a precipitation cavity for precipitating bacterial sludge, the precipitator is provided with a water inlet, a water outlet and a discharge hole which are communicated with the precipitation cavity, the water collecting pipe is communicated with the reaction cavity and the water inlet, and the water outlet pipe is communicated with the water outlet so that sewage in the precipitation cavity can flow out; the bacterial sludge feedback device comprises a water pump, a bacterial sludge suction pipe communicated with the reflux cavity and the water pump inlet, and a bacterial sludge feedback pipe communicated with the reaction cavity and the water pump outlet.

Further, fungus mud feedback device still includes the fungus mud spray tube of intercommunication backward flow chamber and fungus mud feedback pipe and sets up in the three-way valve of fungus mud feedback pipe and fungus mud spray tube junction.

The device further comprises a nutrient solution supplementing device, wherein the nutrient solution supplementing device comprises a circulating pipe, a circulating pump and a nutrient solution dispenser, the circulating pipe is communicated with the reaction cavity and the backflow cavity, the circulating pump is arranged on the circulating pipe and is used for driving liquid in the backflow cavity to flow into the reaction cavity, and the nutrient solution dispenser is communicated with the circulating pipe and is used for dispensing nutrient solution into the circulating pipe.

Furthermore, the nutrient solution supplementing device also comprises a nutrient solution concentration detector arranged on the circulating pipe for detecting the concentration of the nutrient solution.

Furthermore, nutrient solution supplementing device still places the distribution pipe in the reaction chamber in, and circulating pipe intercommunication distribution pipe has evenly seted up a plurality of delivery ports on the distribution pipe.

Further, the water collecting pipe is arranged above the distribution pipe.

Further, the bacterial sludge return pipe is arranged below the distribution pipe.

Further, the treatment pool also comprises an exhaust pipe communicated with the reaction cavity.

Furthermore, the tank body also comprises a heating device connected with the reflux cavity for heating the reflux cavity.

Furthermore, the device also comprises a sampling tube communicated with the reaction cavity.

Compared with the prior art, this microorganism sewage treatment device handles the sewage after handling through fungus mud sediment device, makes fungus mud deposit in the backward flow intracavity, then carries these fungus mud sediment back to the reaction intracavity through fungus mud feedback device, continues to be used for handling sewage, has effectively reduced the loss of fungus mud, has reduced the sewage treatment cost.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic structural view of a microbial wastewater treatment apparatus according to the present invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.

Referring to fig. 1, the microorganism sewage treatment equipment comprises a treatment tank 1, a bacterial sludge sedimentation device 2 and a bacterial sludge return device 3. The treatment tank 1 adopts the bacterial sludge to carry out biodegradation on sewage, the bacterial sludge sedimentation device 2 is used for sedimentating suspended bacterial sludge in the treated sewage, and the bacterial sludge feedback device 3 is used for conveying the bacterial sludge back to the treatment tank 1 so as to reduce the loss of the bacterial sludge and reduce the cost.

The treatment tank 1 comprises a tank body 11 and a water inlet pipe 12, wherein the tank body 11 is provided with a reaction cavity 111 and a return cavity 112, the reaction cavity 111 is used for sewage treatment, and the return cavity 112 is used for recovering bacterial sludge. The water inlet pipe 12 is communicated with the return cavity 112 and is used for continuously inputting sewage to be treated into the tank body 11.

In order to improve the efficiency of sewage treatment of the bacterial sludge, the temperature of the sewage needs to be kept at a temperature which is most suitable for the survival of the strains in the bacterial sludge. Therefore, in the preferred embodiment, the treatment tank 1 further comprises a heating device 13 connected with the return cavity 112 for heating the return cavity 112, and the temperature of the sewage flowing into the reaction cavity 111 is more uniform and stable through the buffering of the return cavity 112. The heating device 13 may adopt heating forms such as electric heating, steam heating, etc., for example, in the embodiment, the heating device 13 is a steam pipe externally connected to a high temperature steam generator, and heats the liquid in the reflow chamber 112 by introducing high temperature steam into the reflow chamber 112.

Gas is often generated when sewage is treated by bacterial sludge, so in some embodiments, the treatment tank 1 further comprises an exhaust pipe 14 communicated with the reaction chamber 111 for leading out gas generated in the treatment process and introducing the gas into a special gas treatment device for harmless treatment.

The bacterial sludge settling device 2 comprises a settler 21 arranged in the return cavity 112, a water collecting pipe 22 and a water outlet pipe 23. The precipitator 21 is provided with a precipitation cavity for precipitating the bacterial sludge, the precipitator 21 is provided with a water inlet, a water outlet and a discharge port which are communicated with the precipitation cavity, the water collecting pipe 22 is communicated with the reaction cavity 111 and the water inlet, and the water outlet pipe 23 is communicated with the water outlet for the sewage in the precipitation cavity to flow out. The treated sewage in the reaction chamber 111 flows into the sedimentation chamber from the water collecting pipe 22, and the bacterial sludge suspended in the water is gathered into sediment through the sedimentation effect of the sedimentation chamber and falls to the bottom of the return flow chamber 112 from the discharge port. And the treated sewage from which the bacterial sludge is removed is discharged from the water outlet pipe 23.

The bacterial sludge recirculation device 3 comprises a water pump 31, a bacterial sludge suction pipe 32 and a bacterial sludge recirculation pipe 33. The water pump 31 is generally arranged outside the treatment pool 1, the bacterial sludge suction pipe 32 is communicated with the bottom of the return cavity 112 and the inlet of the water pump 31, and the bacterial sludge return pipe 33 is communicated with the reaction cavity 111 and the outlet of the water pump 31. When the water pump 31 starts to work, the bacterial sludge settled at the bottom of the return cavity 112 can be sucked up through the bacterial sludge suction pipe 32, and then the bacterial sludge is conveyed back to the reaction cavity 111 through the bacterial sludge feedback pipe 33, so that the bacterial sludge is recovered.

To solve the problem that the bacterial sludge deposited at the bottom of the return cavity 112 and far away from the bacterial sludge suction pipe 32 is difficult to suck up, in a preferred embodiment, the bacterial sludge recirculation device 3 further comprises a bacterial sludge nozzle 34 communicating the return cavity 112 and the bacterial sludge recirculation pipe 33, and a three-way valve arranged at the connection of the bacterial sludge recirculation pipe 33 and the bacterial sludge nozzle 34. A part of the liquid sucked up by the bacterial sludge suction pipe 32 is sprayed out from the bacterial sludge spray pipe 34 towards the bottom of the return cavity 112, so that the bacterial sludge deposited at each position at the bottom of the return cavity 112 floats up and is suspended in the liquid, then is sucked up by the bacterial sludge suction pipe 32 and is conveyed back into the reaction cavity 111 through the bacterial sludge return pipe 33.

The microorganism in the bacterial sludge is maintained to be normally alive and is required to be provided with necessary nutrient substances, so in a preferred embodiment, the microorganism sewage treatment equipment further comprises a nutrient solution supplementing device 4 for supplementing nutrient solution into the reaction cavity 111.

The nutrient solution supplementing device 4 comprises a circulating pipe 41, a circulating pump 42 and a nutrient solution dispenser 43, wherein the circulating pipe 41 is communicated with the reaction cavity 111 and the reflux cavity 112, and the circulating pump 42 is arranged on the circulating pipe 41 and is used for driving liquid in the reflux cavity 112 to flow into the reaction cavity 111. The nutrient solution dispenser 43 is communicated with the circulating pipe 41 to supply nutrient solution into the circulating pipe 41. In order to accurately control the amount of the supplemented nutrient solution, in some embodiments, a nutrient solution concentration detector 44 may be further disposed on the circulation pipe 41 for detecting the concentration of one or more nutrient substances to determine the amount of the nutrient solution to be supplemented.

Preferably, the nutrient solution supplementing device 4 may further include a distribution pipe 45 disposed in the reaction chamber 111, and the distribution pipe 45 is uniformly provided with a plurality of water outlets. The circulating pipe 41 is communicated with the distribution pipe 45, and the liquid in the circulating pipe 41 flows into the reaction cavity 111 through the water outlets on the distribution pipe 45, so that the nutrient substances are uniformly distributed in the reaction cavity 111. And preferably the distribution pipe 45 is placed in the middle of the reaction chamber 111, the water collection pipe 22 is placed above the distribution pipe 45, and the bacterial sludge return pipe 33 is placed below the distribution pipe 45.

In some embodiments, the present water treatment tank further comprises a sampling tube 5 connected to the reaction chamber 111, so that the worker can sample the wastewater in the reaction chamber 111 to monitor the treatment status of the wastewater in the reaction chamber 111.

When the sewage treatment device is used for treating sewage, untreated sewage flows into the backflow cavity 112 through the water inlet pipe 12 and flows into the reaction cavity 111 through the circulating pipe 41 under the driving of the circulating pump 42, and in the process, the nutrient solution dispenser 43 replenishes nutrient solution into the sewage for the microorganisms in the reaction cavity 111 to use. After being decomposed by microorganisms in the reaction cavity 111, the sewage flows into the precipitator 21 through the water collecting pipe 22, wherein suspended bacterial sludge forms a precipitate in the precipitator 21 and is collected at the bottom of the return cavity 112, and the sewage after being treated and removed of the bacterial sludge is discharged through the water outlet pipe 23. The bacterial sludge at the bottom of the return cavity is sucked up by the bacterial sludge suction pipe 32 under the driving action of the water pump 31 and is conveyed back to the reaction cavity 111 through the bacterial sludge feedback pipe 33, so that the loss of the bacterial sludge is reduced.

The microbial sewage treatment equipment provided by the utility model treats the treated sewage through the bacterial sludge sedimentation device, so that the bacterial sludge is sedimentated in the backflow cavity, and then the bacterial sludge sediments are conveyed back to the reaction cavity through the bacterial sludge feedback device to be continuously used for treating the sewage, thereby effectively reducing the loss of the bacterial sludge and reducing the sewage treatment cost.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (10)

1. A microbial sewage treatment apparatus, comprising: the device comprises a treatment tank, a bacterial sludge sedimentation device and a bacterial sludge feedback device, wherein the treatment tank comprises a tank body with a reaction cavity and a backflow cavity and a water inlet pipe communicated with the backflow cavity; the bacterial sludge sedimentation device comprises a precipitator, a water collecting pipe and a water outlet pipe, wherein the precipitator, the water collecting pipe and the water outlet pipe are arranged in the backflow cavity, the precipitator is provided with a sedimentation cavity for precipitating bacterial sludge, a water inlet, a water outlet and a discharge port which are communicated with the sedimentation cavity are formed in the precipitator, the water collecting pipe is communicated with the reaction cavity and the water inlet, and the water outlet pipe is communicated with the water outlet so as to enable sewage in the sedimentation cavity to flow out; the bacterial sludge feedback device comprises a water pump, a reflux cavity, a bacterial sludge suction pipe and a bacterial sludge feedback pipe, wherein the reflux cavity is communicated with the water pump inlet, and the reaction cavity is communicated with the bacterial sludge feedback pipe at the water pump outlet.

2. The microbial sewage treatment device of claim 1, wherein the bacterial sludge recirculation device further comprises a bacterial sludge spray pipe communicating the recirculation cavity and the bacterial sludge recirculation pipe, and a three-way valve arranged at the joint of the bacterial sludge recirculation pipe and the bacterial sludge spray pipe.

3. The microbial sewage treatment equipment according to claim 1, further comprising a nutrient solution supplementing device, wherein the nutrient solution supplementing device comprises a circulating pipe, a circulating pump and a nutrient solution dispenser, the circulating pipe is communicated with the reaction cavity and the reflux cavity, the circulating pump is arranged on the circulating pipe and is used for driving liquid in the reflux cavity to flow into the reaction cavity, and the nutrient solution dispenser is communicated with the circulating pipe and is used for dispensing nutrient solution into the circulating pipe.

4. The microbial sewage treatment apparatus of claim 3, wherein the nutrient solution supplementing device further comprises a nutrient solution concentration detector disposed on the circulation pipe to detect the concentration of the nutrient solution.

5. The microbial sewage treatment device of claim 3, wherein the nutrient solution supplementing device further comprises a distribution pipe arranged in the reaction cavity, the circulation pipe is communicated with the distribution pipe, and a plurality of water outlets are uniformly formed in the distribution pipe.

6. The microbial wastewater treatment apparatus of claim 5, wherein the header pipe is disposed above the distribution pipe.

7. The microbial wastewater treatment apparatus of claim 5, wherein the bacterial sludge return conduit is disposed below the distribution conduit.

8. The microbial wastewater treatment apparatus of claim 1, wherein the treatment tank further comprises an exhaust pipe communicating with the reaction chamber.

9. The microbial wastewater treatment apparatus of claim 1, wherein the basin body further comprises a heating device connected to the recirculation chamber for heating the recirculation chamber.

10. The microbial wastewater treatment apparatus of claim 1, further comprising a sampling tube in communication with the reaction chamber.

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