A wastewater anaerobic ammonium oxidation device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a wastewater anaerobic ammonia oxidation device, including a tank body, a water inlet pipe and an oxygen detector are fixedly connected to the side wall of the tank body, a vacuum pump is fixedly connected to the top of the tank body, a motor is fixedly connected to the bottom of the tank body, the output shaft of the motor is fixedly connected to a stirring frame, the inner wall of the tank body is fixedly connected to a connecting frame, the top rod wall of the stirring frame is rotatably connected to a discharge box, and the end of the connecting frame away from the tank body is fixedly connected to the side wall of the discharge box. The output shaft of the motor provided by the utility model rotates to drive the stirring frame to rotate and drive the wastewater to form a vortex, and the stirring frame can drive the material stripping plate to rotate while rotating, and the material stripping plate will strip the anaerobic microorganisms inside the discharge box to the outside of the discharge box through the discharge hole, so that the anaerobic microorganisms can be discharged evenly and stably.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a wastewater anaerobic ammonia oxidation device. Background Art

[0002] Anaerobic ammonia oxidation of wastewater is a method of treating wastewater. It uses anaerobic microorganisms to convert ammonia nitrogen in wastewater into nitrite and nitrate, thereby achieving the purpose of removing ammonia nitrogen in wastewater. The process is generally divided into two steps: anaerobic reaction and ammonia oxidation reaction. In the anaerobic reaction, anaerobic microorganisms are added to decompose organic matter in the wastewater to produce ammonia nitrogen. In the ammonia oxidation reaction, anaerobic microorganisms convert ammonia nitrogen in wastewater into nitrite and nitrate. Through anaerobic ammonia oxidation treatment of wastewater, ammonia nitrogen in wastewater can be converted into inorganic nitrogen, thereby reducing the ammonia nitrogen content in wastewater and meeting the requirements of water quality treatment.

[0003] In the prior art, during the use of the wastewater anaerobic ammonium oxidation device, it is necessary to reduce the oxygen content inside the device, and then add anaerobic microorganisms for anaerobic ammonium oxidation treatment. During the addition process, the microorganisms will be added in a concentrated manner, which makes it difficult to quickly and evenly add them to the inside of the device, which will affect the anaerobic ammonium oxidation effect of the device. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that microorganisms are concentrated during the delivery process, making it difficult to quickly and evenly deliver them to the inside of the device, which will affect the anaerobic ammonia oxidation effect of the device, and proposes a wastewater anaerobic ammonia oxidation device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A wastewater anaerobic ammonia oxidation device comprises a tank body, a water inlet pipe and an oxygen detector are fixedly connected to the side wall of the tank body, an air pump is fixedly connected to the top of the tank body, a motor is fixedly connected to the bottom of the tank body, a stirring frame is fixedly connected to the output shaft of the motor, a connecting frame is fixedly connected to the inner wall of the tank body, a discharge box is rotatably connected to the top rod wall of the stirring frame, an end of the connecting frame away from the tank body is fixedly connected to the side wall of the discharge box, a feeding pipe is fixedly connected to the side of the discharge box away from the connecting frame, a plurality of material shifting plates are fixedly connected to the shaft wall of the stirring frame located inside the discharge box, and a plurality of discharge holes are provided at the bottom of the discharge box.

[0007] Preferably, a rubber ring is fixedly connected to the inner wall of the material discharge box, and the inner wall of the rubber ring is fitted on the side wall of the stirring frame.

[0008] Preferably, the top inner wall of the tank body is fixedly connected to a fixing frame, a connecting frame is inserted inside the fixing frame, a filter is provided inside the connecting frame, the top inner wall of the stirring frame is rotatably connected to the inner wall of the fixing frame, and the top inner wall of the filter is set to an arc surface.

[0009] Preferably, a cavity is provided on the inner wall of the connecting frame, an elastic metal sheet is fixedly connected to the inner wall of the connecting frame located in the cavity, a limiting block is fixedly connected to the side wall of the elastic metal sheet, a limiting groove is provided on the inner wall of the fixing frame, and the limiting block extends to the inside of the limiting groove.

[0010] Preferably, a pull rod is fixedly connected to the side wall of the limit block, and the pull rod extends to the outside of the connecting frame and is fixedly connected to a baffle. A strip opening is opened on the top inner wall of the connecting frame, and the rod wall of the pull rod is slidably set on the inner wall of the strip opening, and the side wall of the baffle is slidably set on the surface of the connecting frame located at the strip opening.

[0011] Preferably, a rounded corner is provided at one end of the limiting block which is away from the elastic metal sheet, and the fixing frame is located on the inner wall of the limiting groove and matches the limiting block.

[0012] Compared with the prior art, the utility model provides a wastewater anaerobic ammonia oxidation device, which has the following beneficial effects:

[0013] 1. The wastewater anaerobic ammonia oxidation device drives the stirring frame to rotate through the output shaft of the motor to drive the wastewater to form a vortex. The stirring frame can drive the material-diverting plate to rotate while rotating. The material-diverting plate diverts the anaerobic microorganisms inside the discharge box through the discharge hole to the outside of the discharge box, so that the anaerobic microorganisms can be discharged evenly and stably.

[0014] 2. The wastewater anaerobic ammonia oxidation device can improve the sealing performance of the discharge box and the wall of the stirring frame rod through the rubber ring. The connection frame and the internal filter can perform preliminary filtration on the wastewater to prevent more water-insoluble impurities in the wastewater from affecting the subsequent treatment effect. The elastic metal sheet can push the limit block to extend to the inside of the limit groove to stably install the connection frame.

[0015] 3. The wastewater anaerobic ammonia oxidation device drives the limit block to retract into the cavity by pulling the pull rod, and the connection frame is disassembled and replaced, which is convenient for replacement and maintenance. The baffle can prevent wastewater from entering the cavity and affecting the use effect of the elastic metal sheet and the limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a wastewater anaerobic ammonium oxidation device proposed by the utility model;

[0017] Figure 2 for Figure 1A schematic diagram of the structure of the local A part;

[0018] Figure 3 for Figure 2 Structural stereogram of the middle limit block.

[0019] In the figure: 1 tank body, 2 water inlet pipe, 3 oxygen detector, 4 vacuum pump, 5 motor, 6 stirring frame, 7 connecting frame, 8 discharge box, 9 feeding pipe, 10 material plate, 11 rubber ring, 12 fixing frame, 13 connecting frame, 14 filter screen, 15 elastic metal sheet, 16 limit block, 17 pull rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A wastewater anaerobic ammonia oxidation device comprises a tank body 1, a water inlet pipe 2 and an oxygen detector 3 are fixedly connected to the side wall of the tank body 1, an air pump 4 is fixedly connected to the top of the tank body 1, a motor 5 is fixedly connected to the bottom of the tank body 1, a stirring frame 6 is fixedly connected to the output shaft of the motor 5, a connecting frame 7 is fixedly connected to the inner wall of the tank body 1, a discharge box 8 is rotatably connected to the top rod wall of the stirring frame 6, an end of the connecting frame 7 away from the tank body 1 is fixedly connected to the side wall of the discharge box 8, a feeding pipe 9 is fixedly connected to the side of the discharge box 8 away from the connecting frame 7, a plurality of material shifting plates 10 are fixedly connected to the shaft wall of the stirring frame 6 located inside the discharge box 8, a plurality of discharge holes are opened at the bottom of the discharge box 8, a rubber ring 11 is fixedly connected to the inner wall of the discharge box 8, and the inner wall of the rubber ring 11 is fitted on the side wall of the stirring frame 6.

[0022] A fixing frame 12 is fixedly connected to the inner wall of the top end of the tank body 1, a connecting frame 13 is inserted inside the fixing frame 12, a filter screen 14 is arranged inside the connecting frame 13, the inner wall of the top end of the stirring frame 6 is rotatably connected to the inner wall of the fixing frame 12, the inner wall of the top end of the filter screen 14 is arranged as an arc surface, a cavity is provided on the inner wall of the connecting frame 13, an elastic metal sheet 15 is fixedly connected to the inner wall of the connecting frame 13 located in the cavity, a limiting block 16 is fixedly connected to the side wall of the elastic metal sheet 15, a limiting groove is provided on the inner wall of the fixing frame 12, and the limiting block 16 extends to the inside of the limiting groove.

[0023] When in use, the water inlet pipe 2 infuses wastewater into the interior of the tank body 1, the air pump 4 can evacuate the interior of the tank body 1, the oxygen detector 3 can detect the oxygen content in the tank body 1, and when the oxygen content in the tank body 1 is low, the feeding pipe 9 can transport the anaerobic microorganisms to the interior of the discharge box 8, the output shaft rotation of the motor 5 can drive the stirring frame 6 to rotate, and can drive the wastewater to form a vortex, and the stirring frame 6 can drive the material plate 10 to rotate while rotating, and the material plate 10 can push the anaerobic microorganisms in the discharge box 8 out through the discharge hole to the outside of the discharge box 8, so that the anaerobic microorganisms can be discharged evenly and stably, and the rubber ring 11 can improve the sealing of the discharge box 8 and the rod wall of the stirring frame 6. The connecting frame 13 and the internal filter screen 14 can perform preliminary filtration on the wastewater to prevent more water-insoluble impurities in the wastewater from affecting the subsequent treatment effect, and the elastic metal sheet 15 can push the limit block 16 to extend to the inside of the limit groove, so that the connecting frame 13 can be stably installed.

[0024] In order to facilitate replacement and maintenance, Figure 1-3 As shown, a pull rod 17 is fixedly connected to the side wall of the limit block 16, and the pull rod 17 extends to the outside of the connecting frame 13 and is fixedly connected to a baffle 18. A strip opening is provided on the inner wall of the top end of the connecting frame 13, and the rod wall of the pull rod 17 is slidably set on the inner wall of the strip opening, and the side wall of the baffle 18 is slidably set on the surface of the connecting frame 13 located at the strip opening. A chamfer is provided on the end of the limit block 16 facing away from the elastic metal sheet 15, and the inner wall of the fixing frame 12 located at the limit groove matches the limit block 16.

[0025] Pulling the pull rod 17 can drive the limit block 16 to retract into the cavity, and the connecting frame 13 can be disassembled and replaced, which is convenient for replacement and maintenance. The baffle 18 can prevent waste water from entering the cavity and affecting the use effect of the elastic metal sheet 15 and the limit block 16.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wastewater anaerobic ammonium oxidation device, comprising a tank (1), characterized in that: A water inlet pipe (2) and an oxygen detector (3) are fixedly connected to the side wall of the tank body (1); an air pump (4) is fixedly connected to the top of the tank body (1); a motor (5) is fixedly connected to the bottom of the tank body (1); an output shaft of the motor (5) is fixedly connected to a stirring frame (6); a connecting frame (7) is fixedly connected to the inner wall of the tank body (1); a top rod wall of the stirring frame (6) is rotatably connected to a discharge box (8); an end of the connecting frame (7) facing away from the tank body (1) is fixedly connected to the side wall of the discharge box (8); a feeding pipe (9) is fixedly connected to the side of the discharge box (8) facing away from the connecting frame (7); a plurality of material shifting plates (10) are fixedly connected to the shaft wall of the stirring frame (6) located inside the discharge box (8); and a plurality of discharge holes are provided at the bottom of the discharge box (8).

2. A wastewater anaerobic ammonium oxidation device according to claim 1, characterized in that: The inner wall of the material discharge box (8) is fixedly connected with a rubber ring (11), and the inner wall of the rubber ring (11) is fitted on the side wall of the stirring frame (6).

3. The wastewater anaerobic ammonium oxidation device according to claim 1, characterized in that: The top inner wall of the tank body (1) is fixedly connected to a fixing frame (12), a connecting frame (13) is inserted inside the fixing frame (12), a filter screen (14) is provided inside the connecting frame (13), the top inner wall of the stirring frame (6) is rotatably connected to the inner wall of the fixing frame (12), and the top inner wall of the filter screen (14) is arranged as an arc surface.

4. A wastewater anaerobic ammonium oxidation device according to claim 3, characterized in that: The inner wall of the connection frame (13) is provided with a cavity, the inner wall of the connection frame (13) located in the cavity is fixedly connected with an elastic metal sheet (15), the side wall of the elastic metal sheet (15) is fixedly connected with a limiting block (16), the inner wall of the fixing frame (12) is provided with a limiting groove, and the limiting block (16) extends to the inside of the limiting groove.

5. A wastewater anaerobic ammonium oxidation device according to claim 4, characterized in that: A pull rod (17) is fixedly connected to the side wall of the limit block (16), and the pull rod (17) extends to the outside of the connection frame (13) and is fixedly connected to a baffle (18). A strip-shaped opening is opened on the top inner wall of the connection frame (13), and the rod wall of the pull rod (17) is slidably arranged on the inner wall of the strip-shaped opening, and the side wall of the baffle (18) is slidably arranged on the surface of the connection frame (13) located at the strip-shaped opening.

6. A wastewater anaerobic ammonium oxidation device according to claim 4, characterized in that: The end of the limiting block (16) facing away from the elastic metal sheet (15) is provided with a rounded corner, and the fixing frame (12) is located on the inner wall of the limiting groove and matches the limiting block (16).

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