A biological treatment device for high-nitrogen and high-phosphorus wastewater

Abstract

This utility model application discloses a biological treatment device for high-nitrogen and high-phosphorus wastewater, including a wastewater tank, an anaerobic treatment module, and an aerobic treatment module. The wastewater tank is divided into an anaerobic chamber and an aerobic chamber by a baffle. A buffer chamber is set at the bottom of the aerobic chamber. The buffer chamber and the aerobic chamber are separated by a partition with several permeable holes evenly arranged on the partition, so that the aerobic chamber and the buffer chamber are connected. The buffer chamber and the anaerobic chamber are connected by a water pump. This biological treatment device for high-nitrogen and high-phosphorus wastewater can deliver fresh air to each aeration pipe through an aeration mechanism. The air is discharged into the aerobic chamber through air outlets evenly arranged on the outer wall of the aeration pipe. Under the obstruction of the fast diffusion, the air bubbles formed in the aerobic chamber can rise along the edge of the fast diffusion, so that the air bubbles can fully contact the suspended ball biological packing, so that the aerobic bacteria can multiply rapidly, thereby improving the wastewater purification efficiency in the aerobic chamber.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a biological treatment device for high-nitrogen and high-phosphorus wastewater. Background Technology

[0002] With industrial development, wastewater composition has become increasingly complex. Certain recalcitrant organic and toxic substances require microbial treatment. Wastewater provides the conditions for microbial growth and reproduction, allowing microorganisms to obtain nutrients while simultaneously degrading and utilizing harmful substances, thus purifying the wastewater. Biological wastewater treatment utilizes the life activities of microorganisms to degrade dissolved or colloidal organic pollutants in wastewater, thereby purifying it. Wastewater biological treatment technology is favored for its significant advantages, including low consumption, high efficiency, low cost, convenient and reliable process operation and management, and no secondary pollution.

[0003] Existing wastewater microbial treatment methods generally use a combination of anaerobic and aerobic bacteria. This involves constructing aerobic and anaerobic tanks to cultivate the corresponding microorganisms, and then inputting wastewater into these tanks to treat and remove organic matter such as nitrogen and phosphorus. However, due to the uneven air input or aeration in the aerobic tanks of existing microbial wastewater treatment devices, the aerobic microorganisms do not reproduce efficiently enough to quickly produce sufficient microorganisms to purify the wastewater, thus failing to meet user needs. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a biological treatment device for high nitrogen and high phosphorus wastewater, which can comprehensively and quickly purify organic matter such as nitrogen and phosphorus in wastewater.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A biological treatment device for high-nitrogen and high-phosphorus wastewater includes a wastewater tank, an anaerobic treatment module, and an aerobic treatment module. The wastewater tank is divided into an anaerobic chamber and an aerobic chamber by a baffle. A buffer chamber is set at the bottom of the aerobic chamber. The buffer chamber and the aerobic chamber are separated by a partition. The partition is evenly provided with a number of water-permeable holes to allow the aerobic chamber and the buffer chamber to be connected. The buffer chamber and the anaerobic chamber are connected by a water pump. The water pump inlet is connected to the anaerobic chamber through a pipe, and the water pump outlet is connected to the buffer chamber through a pipe.

[0007] The anaerobic treatment module is located inside the anaerobic chamber, and the aerobic treatment module is located at the aerobic chamber.

[0008] The aerobic treatment module includes an aeration mechanism and several suspended ball biological packing materials. The aeration mechanism includes an air pump and several aeration pipes. The air pump is fixedly installed on the top of the wastewater tank. The aeration pipes are evenly installed on the partition and located inside the aerobic chamber. The aeration pipes are connected to the air pump through pipes. Several air outlet holes are evenly opened on the outer wall of the aeration pipe. A diffuser block is set on the top of the aeration pipe. The diameter of the diffuser block is larger than the diameter of the aeration pipe. The suspended ball biological packing materials are tied to the aeration pipes with ropes.

[0009] Furthermore, the anaerobic treatment module includes several attachment plates, each of which is evenly installed inside the anaerobic chamber.

[0010] Furthermore, the top of the anaerobic chamber is provided with an inspection port, which is covered with a cover plate.

[0011] Furthermore, an aeration port is provided at the top of the aerobic chamber.

[0012] Furthermore, a water inlet pipe is installed at the top of the anaerobic chamber, and a sewage discharge pipe is installed at the bottom of both the anaerobic chamber and the buffer chamber.

[0013] Compared with the prior art, this utility model provides a biological treatment device for high-nitrogen and high-phosphorus wastewater, which has the following beneficial effects:

[0014] This biological treatment device for high-nitrogen and high-phosphorus wastewater uses an aeration mechanism to deliver fresh air to each aeration pipe. The air is then discharged into the aerobic chamber through air outlets evenly distributed on the outer wall of the aeration pipe. Due to the obstruction of the fast diffusion zone, the air bubbles formed in the aerobic chamber can rise along the edge of the fast diffusion zone, allowing the air bubbles to fully contact the suspended ball biological packing material. This enables the aerobic bacteria in the packing material to multiply rapidly, thereby improving the wastewater purification efficiency in the aerobic chamber. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a structural diagram of the present invention.

[0017] In the diagram: 1. Wastewater tank, 11. Anaerobic chamber, 12. Buffer chamber, 13. Aerobic chamber, 14. Baffle plate, 15. Water permeable hole, 16. Inspection port, 17. Aeration port, 18. Inlet pipe, 19. Sewage pipe, 2. Attachment plate, 3. Water pump, 41. Air pump, 42. Aeration pipe, 43. Air outlet, 44. Diffusion block, 45. Suspended ball biological packing. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figures 1 to 2 The present invention provides the following technical solution:

[0020] A biological treatment device for high-nitrogen and high-phosphorus wastewater includes a wastewater tank 1, an anaerobic treatment module, and an aerobic treatment module. The wastewater tank 1 is divided into an anaerobic chamber 11 and an aerobic chamber 13 by a baffle. The anaerobic chamber 11 and the aerobic chamber 13 are used to cultivate anaerobic microorganisms and aerobic microorganisms, respectively, to synergistically treat the nitrogen, phosphorus, and organic matter in the wastewater. A buffer chamber 12 is provided at the bottom of the aerobic chamber 13. The buffer chamber 12 and the aerobic chamber 13 are separated by a partition 14, on which a uniformly distributed... The aerobic chamber 13 is provided with several water permeable holes 15, which allow the aerobic chamber 13 and the buffer chamber 12 to be connected through the water permeable holes 15. The buffer chamber 12 and the anaerobic chamber 11 are connected through a water pump 3. The inlet of the water pump 3 is connected to the anaerobic chamber 11 through a pipe, and the outlet of the water pump 3 is connected to the buffer chamber 12 through a pipe. The water pump 3 inputs the treated wastewater in the anaerobic chamber 11 into the buffer chamber 12. Through the sedimentation effect of the buffer chamber 12, the sediment content of the wastewater in the aerobic chamber 13 is reduced.

[0021] The anaerobic treatment module is set in the anaerobic chamber 11. The anaerobic treatment module is used to cultivate anaerobic microorganisms, thereby consuming organic matter such as nitrogen and phosphorus in the wastewater. Similarly, the aerobic treatment module is set in the aerobic chamber 13. The aerobic treatment module is used to cultivate aerobic microorganisms, thereby consuming organic matter such as nitrogen and phosphorus in the wastewater.

[0022] The aerobic treatment module includes an aeration mechanism and several suspended ball biological packing materials 45. The aeration mechanism includes an air pump 41 and several aeration pipes 42. The air pump 41 is fixedly installed on the top of the wastewater tank 1. The aeration pipes 42 are evenly installed on the partition 14 and are located inside the aerobic chamber 13. The aeration pipes 42 are connected to the air pump 41 through pipes. The air pump 41 is used to input fresh air into the aeration pipes 42. Several air outlets 43 are evenly opened on the outer wall of the aeration pipes 42, so that fresh air can be discharged from the air outlets 43 on the outer wall of the aeration pipes 42 to form air bubbles. A diffuser block 44 is provided at the top of the aeration pipes 42. The diameter of the diffuser block 44 is larger than the diameter of the aeration pipes 42, so that the air bubbles generated by the aeration pipes 42 rise along the edge of the diffuser block 44 and fully wrap around the suspended ball biological packing materials 45 tied to the top of the aeration pipes 42, thereby enabling the microorganisms in the suspended ball biological packing materials 45 to proliferate rapidly.

[0023] The anaerobic treatment module includes several attachment plates 2, which are evenly installed in the anaerobic chamber 11. The attachment plates 2 are used for the attachment of anaerobic microorganisms to form a biofilm to treat wastewater.

[0024] The top of the anaerobic chamber 11 is provided with an inspection port 16, which is covered with a cover plate. The inspection port 16 is used for maintenance of the anaerobic chamber 11.

[0025] An aeration port 17 is provided on the top of the aerobic chamber 13 to facilitate aeration and maintenance within the aerobic chamber 13.

[0026] An inlet pipe 18 is installed at the top of the anaerobic chamber 11 to input the wastewater to be treated into the anaerobic chamber 11. Both the anaerobic chamber 11 and the buffer chamber 12 are equipped with drain pipes 19 at the bottom to discharge the settled sludge.

[0027] The specific implementation process is as follows:

[0028] When using this biological treatment device for high-nitrogen and high-phosphorus wastewater, the high-nitrogen and high-phosphorus wastewater to be treated is first transported into the wastewater tank 1 through the inlet pipe 18. Then, suitable microbial strains are introduced into the anaerobic chamber 11 and the aerobic chamber 13 respectively. Next, the air pump 41 is started, and the air pump 41 inputs fresh air into each aeration pipe 42. The fresh air is discharged from each air outlet 43 on the side of the aeration pipe 42, forming air bubbles. Then, under the action of the diffuser block 44, the air bubbles rise along the edge of the diffuser block 44 and come into full contact with the microbial strains at the suspended ball biological packing 45, accelerating the proliferation of microorganisms at the suspended ball biological packing 45 to consume nitrogen, phosphorus and other organic matter in the wastewater. Similarly, the microorganisms in the anaerobic chamber 11 attach to the attachment plate 2 to multiply, thereby consuming nitrogen, phosphorus and other organic matter in the wastewater. This results in the formation of corresponding microbial communities in both the aerobic chamber 13 and the anaerobic chamber 11 to purify the wastewater.

[0029] The wastewater in the aerobic chamber 13 is discharged after being purified by microorganisms. Then, the water pump 3 pumps the wastewater in the anaerobic chamber 11 to the buffer chamber 12, where it settles. Wastewater is continuously fed into the buffer chamber 12, and the wastewater passes through the permeable holes 15 at the partition 14 into the aerobic chamber 13, where it continues to be purified by microorganisms at the suspended ball biological packing 45 in the aerobic chamber 13.

[0030] This biological treatment device for high-nitrogen and high-phosphorus wastewater uses an aeration mechanism to deliver fresh air to each aeration pipe 42. The air is then discharged into the aerobic chamber 13 through air outlets 43 evenly distributed on the outer wall of the aeration pipe 42. Due to the obstruction of the fast diffusion zone, the air bubbles formed in the aerobic chamber 13 can rise along the edge of the fast diffusion zone, allowing the air bubbles to fully contact the suspended ball biological packing material 45. This enables the aerobic bacteria in the packing material to multiply rapidly, thereby improving the wastewater purification efficiency in the aerobic chamber 13.

[0031] The above description is merely an embodiment of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the applicability of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A biological treatment device for high-nitrogen and high-phosphorus wastewater, characterized in that: It includes a wastewater tank, an anaerobic treatment module, and an aerobic treatment module. The wastewater tank is divided into an anaerobic chamber and an aerobic chamber by a baffle. A buffer chamber is set at the bottom of the aerobic chamber. The buffer chamber and the aerobic chamber are separated by a partition. The partition is evenly provided with several water-permeable holes to allow the aerobic chamber and the buffer chamber to be connected. The buffer chamber and the anaerobic chamber are connected by a water pump. The water pump inlet is connected to the anaerobic chamber through a pipe, and the water pump outlet is connected to the buffer chamber through a pipe. The anaerobic treatment module is located inside the anaerobic chamber, and the aerobic treatment module is located at the aerobic chamber. The aerobic treatment module includes an aeration mechanism and several suspended ball biological packing materials. The aeration mechanism includes an air pump and several aeration pipes. The air pump is fixedly installed on the top of the wastewater tank. The aeration pipes are evenly installed on the partition and located inside the aerobic chamber. The aeration pipes are connected to the air pump through pipes. Several air outlet holes are evenly opened on the outer wall of the aeration pipe. A diffuser block is set on the top of the aeration pipe. The diameter of the diffuser block is larger than the diameter of the aeration pipe. The suspended ball biological packing materials are tied to the aeration pipes with ropes.

2. The biological treatment device for high-nitrogen and high-phosphorus wastewater according to claim 1, characterized in that: The anaerobic treatment module includes several attachment plates, which are evenly installed inside the anaerobic chamber.

3. The biological treatment device for high-nitrogen and high-phosphorus wastewater according to claim 1, characterized in that: The anaerobic chamber has an inspection port on its top, which is covered by a cover plate.

4. The biological treatment device for high-nitrogen and high-phosphorus wastewater according to claim 1, characterized in that: The aerobic chamber is equipped with an aeration port at the top.

5. The biological treatment device for high-nitrogen and high-phosphorus wastewater according to claim 1, characterized in that: A water inlet pipe is installed at the top of the anaerobic chamber, and a sewage discharge pipe is installed at the bottom of both the anaerobic chamber and the buffer chamber.

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