Enrichment device for anaerobic ammonium oxidation bacteria

Abstract

The utility model provides an enrichment device for anaerobic ammonium oxidation bacteria, and relates to the field of environmental microorganisms. The enrichment device for anaerobic ammonium oxidation bacteria comprises a shell, a semicircular cavity is formed in the shell, the left end and the right end of the semicircular cavity are fixed to the inner wall of the shell, a motor is fixedly installed on the front face of the shell, an air inlet pipe is fixedly installed on the bottom face of the semicircular cavity, and the other end of the air inlet pipe penetrates through the shell; the upper end of the right side face of the shell is fixedly provided with an exhaust pipe communicated with the interior of the shell, the other side of the bottom face of the semicircular cavity is fixedly provided with a discharge valve, the other end of the discharge valve is fixedly provided with a discharge pipe, the other end of the discharge pipe penetrates through the shell, two rotating wheels are arranged in the semicircular cavity, and rotating shafts are fixedly installed in the centers of the two rotating wheels. The other end of the rotating shaft penetrates through the semicircular cavity and the shell. According to the enrichment device for anaerobic ammonium oxidation bacteria, the semicircular cavity, the gas inlet pipe, the motor and the mixer are arranged, so that single cell growth can be better realized.

Description

Technical Field

[0001] The utility model relates to the field of environmental microorganisms, in particular to an enrichment device for anaerobic ammonia-oxidizing bacteria. Background Art

[0002] Anaerobic ammonium oxidizing bacteria are autotrophic bacteria that play an important role in sewage treatment processes. Anaerobic ammonium oxidizing sewage treatment processes are considered to be emerging sewage treatment processes that can replace traditional nitrification and denitrification processes in the future due to their advantages such as low energy consumption and operating costs, small amount of residual sludge, and small process footprint. Anaerobic ammonium oxidizing bacteria use ammonia nitrogen as an electron donor and nitrite nitrogen as an electron acceptor, converting it into harmless nitrogen gas, thereby achieving the purpose of sewage denitrification. However, there are also some problems in the enrichment of anaerobic ammonium oxidizing bacteria. Anaerobic ammonium oxidizing bacteria have strict requirements on the growth environment, are extremely anaerobic, and low concentrations of oxygen can inhibit their growth, and they need to maintain a single-cell growth state.

[0003] However, when sludge comes into contact with low-oxygen gas, the sludge on the upper side is more likely to reach low-oxygen conditions, but the sludge at the bottom cannot obtain the perfect conditions, so the oxygen enriched inside it will affect the growth of bacteria. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an enrichment device for anaerobic ammonia-oxidizing bacteria, which solves the problems raised in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: an enrichment device for anaerobic ammonia-oxidizing bacteria, including a shell, a semicircular cavity is arranged inside the shell, the left and right ends of the semicircular cavity are fixed to the inner wall of the shell, a motor is fixedly installed on the front of the shell, an air inlet pipe is fixedly installed on the bottom surface of the semicircular cavity, the other end of the air inlet pipe passes through the shell, an air extraction pipe connected to the inside of the shell is fixedly installed on the upper end of the right side surface of the shell, a discharge valve is fixedly installed on the other side of the bottom surface of the semicircular cavity, a discharge pipe is fixedly installed on the other end of the discharge valve, and the other end of the discharge pipe passes through the shell. The outer shell is passed through, and two rotating wheels are arranged inside the semicircular cavity. The center positions of the two rotating wheels are fixedly installed with rotating shafts. The other ends of the rotating shafts pass through the semicircular cavity and the outer shell. The rotating shafts rotate relative to the semicircular cavity and the outer shell. The output shaft of the motor is fixed to the rotating shaft in front. A plurality of mixers are arranged between the two rotating wheels. The front and rear ends of the mixers are respectively connected to the two rotating wheels and can rotate relative to the two rotating wheels. The main shafts of the mixers are fixedly installed with levers A. The left side of the semicircular cavity is fixedly installed with levers B. When levers A are transferred to the position of levers B, they are blocked by levers B, which may cause the mixer to flip.

[0008] Preferably, four supporting feet are fixedly mounted on the bottom surface of the shell, and reinforced sealing plugs are fixedly mounted on the left and right side surfaces of the shell.

[0009] Preferably, the positions where the air inlet pipe, the air exhaust pipe and the discharge pipe are connected to the outer shell are all in a sealed state, and the position where the rotating shaft is connected to the outer shell is installed with a bearing and a shaft seal.

[0010] Preferably, the air inlet pipe is arranged at an angle, and the discharge valve is tangent to the bottom surface of the semicircular cavity.

[0011] Preferably, the mixer comprises a semicircular tube and two round tubes, a mandrel is installed at the centers of the front and rear ends of the semicircular tube, the other end of the mandrel passes through the rotating wheel and rotates relative to it, and the two round tubes are located on the left and right sides below the semicircular tube and fixed to it.

[0012] Preferably, the inner end of the lever A is fixed to the core shaft.

[0013] (III) Beneficial effects

[0014] The utility model provides an anaerobic ammonia oxidizing bacteria enrichment device, which has the following beneficial effects:

[0015] 1. The enrichment device of anaerobic ammonia-oxidizing bacteria is provided with a semicircular cavity, an air inlet pipe, a motor and a mixer. The semicircular cavity is mainly filled with sludge and bacterial liquid. Before the oxygen-free gas is filled, the exhaust pipe first evacuates the interior of the shell, and then gradually replenishes the oxygen-free gas. The reciprocating cycle can create a low-oxygen environment inside the shell. The oxygen-free gas can first be fully filled into the sludge, and as the motor rotates, the bacterial liquid and the sludge can be scooped up by the semicircular tube and the circular tube. When the circular tube is out of the solution, the liquid inside it will flow out again, and the bacterial liquid inside the semicircular tube needs to be moved to the position of the lever B before it can be dumped. Thus, the bacterial liquid and the sludge can be evenly stirred and fully combined with the low-oxygen gas, and then combined with stirring, so that single cell growth can be better achieved.

[0016] 2. The enrichment device of anaerobic ammonia-oxidizing bacteria is provided with a discharge pipe. The solution without nutrients after the reaction can be discharged through the discharge valve and the discharge pipe, and the air inlet pipe also makes the discharge of sludge and solution smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a diagram of the internal structure of the housing of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the semicircular cavity of the utility model;

[0020] Figure 4It is the structural diagram of the mixer of the utility model.

[0021] Among them, 1 is a shell, 2 is a semicircular cavity, 3 is a motor, 4 is an air inlet pipe, 5 is an exhaust pipe, 6 is a discharge valve, 7 is a discharge pipe, 8 is a rotating wheel, 9 is a rotating shaft, 10 is a mixer, 11 is a lever A, 12 is a lever B, 13 is a supporting foot, 14 is a reinforced sealing plug, 15 is a semicircular tube, 16 is a circular tube, and 17 is a core shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The present invention provides an anaerobic ammonia oxidizing bacteria enrichment device:

[0024] like Figure 1-4As shown, it includes a shell 1, four supporting legs 13 are fixedly installed on the bottom surface of the shell 1, and reinforced sealing plugs 14 are fixedly installed on the left and right sides of the shell 1. The shell 1 is composed of multiple parts. The reinforced sealing plug 14 can increase the sealing of the connection, and sealing gaskets are installed at each sealing position. At the same time, a pressure gauge is also installed on the shell 1. A semicircular cavity 2 is provided inside the shell 1, and the left and right ends of the semicircular cavity 2 are fixed to the inner wall of the shell 1. A motor 3 is fixedly installed on the front of the shell 1, and an air intake pipe 4 is fixedly installed on the bottom surface of the semicircular cavity 2. A one-way valve is provided inside the air intake pipe 4, and the one-way valve can be automatically controlled. The other end of the air intake pipe 4 runs through the shell 1, and an exhaust pipe 5 connected with the interior of the shell 1 is fixedly installed on the upper end of the right side surface of the shell 1, and a one-way valve is also provided inside the exhaust pipe 5. A discharge valve 6 is fixedly installed on the other side of the bottom surface of the semicircular cavity 2, and the air intake pipe 4 is inclined. The discharge valve 6 is tangent to the bottom surface of the semicircular cavity 2, and the other end of the discharge valve 6 is fixedly installed There is a discharge pipe 7, the other end of the discharge pipe 7 needs to be connected to the suction pump and the subsequent filter chamber, the other end of the discharge pipe 7 passes through the shell 1, two runners 8 are arranged inside the semicircular cavity 2, the center positions of the two runners 8 are fixedly installed with a rotating shaft 9, the other end of the rotating shaft 9 passes through the semicircular cavity 2 and the shell 1, the rotating shaft 9 rotates relative to the semicircular cavity 2 and the shell 1, the air inlet pipe 4, the exhaust pipe 5 and the discharge pipe 7 are connected to the shell 1 at a sealed state, the position where the rotating shaft 9 is connected to the shell 1 is installed with a bearing and a shaft seal, the output shaft of the motor 3 is fixed to the rotating shaft 9 in front, a plurality of mixers 10 are arranged between the two runners 8, the front and rear ends of the mixer 10 are respectively connected to the two runners 8 and can rotate relative to the two runners 8, the main shaft of the mixer 10 is fixedly installed with a lever A11, and a lever B12 is fixedly installed on the left side of the semicircular cavity 2, and when the lever A11 is transferred to the lever B12 position, it is blocked by the lever B12, which may cause the mixer 10 to flip. The mixer 10 includes a semicircular tube 15 and two circular tubes 16. A core shaft 17 is installed at the center of the front and rear ends of the semicircular tube 15. The other end of the core shaft 17 passes through the rotating wheel 8 and rotates relative to it. The two circular tubes 16 are located on the left and right sides below the semicircular tube 15 and are fixed to it. The inner end of the lever A11 is fixed to the core shaft 17.

[0025] When in use, the semicircular cavity 2 is mainly filled with sludge and bacterial liquid. Before the oxygen-free gas is filled, the exhaust pipe 5 first evacuates the interior of the shell 1, and then gradually adds the oxygen-free gas. The reciprocating cycle can create a low-oxygen environment inside the shell 1. The oxygen-free gas can first be fully filled into the sludge, and as the motor 3 rotates, the bacterial liquid and the sludge can be scooped up by the semicircular tube 15 and the circular tube 16. When the circular tube 16 is separated from the solution, the liquid inside it will flow out again, and the bacterial liquid inside the semicircular tube 15 needs to be moved to the position of the lever B12 before it can be dumped. In this way, the bacterial liquid and the sludge can be evenly stirred and fully combined with the low-oxygen gas, and then stirred, so as to better achieve single-cell growth. The solution without nutrients after the reaction can be discharged from the discharge valve 6 and the discharge pipe 7, and the air inlet pipe 4 will also make the discharge of sludge and solution smoother.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anaerobic ammonium oxidizing bacteria enrichment device, comprising a housing (1), characterized in that: A semicircular cavity (2) is provided inside the shell (1), and the left and right ends of the semicircular cavity (2) are fixed to the inner wall of the shell (1); a motor (3) is fixedly installed on the front of the shell (1); an air intake pipe (4) is fixedly installed on the bottom surface of the semicircular cavity (2), and the other end of the air intake pipe (4) passes through the shell (1); an exhaust pipe (5) connected to the inside of the shell (1) is fixedly installed on the upper end of the right side surface of the shell (1); a discharge valve (6) is fixedly installed on the other side of the bottom surface of the semicircular cavity (2), and a discharge pipe (7) is fixedly installed on the other end of the discharge valve (6), and the other end of the discharge pipe (7) passes through the shell (1); two rotating wheels (8) are provided inside the semicircular cavity (2), and the center positions of the two rotating wheels (8) are fixed. A rotating shaft (9) is installed, and the other end of the rotating shaft (9) penetrates the semicircular cavity (2) and the shell (1). The rotating shaft (9) rotates relative to the semicircular cavity (2) and the shell (1). The output shaft of the motor (3) is fixed to the rotating shaft (9) in front. A plurality of mixers (10) are arranged between the two rotating wheels (8). The front and rear ends of the mixers (10) are respectively connected to the two rotating wheels (8) and can rotate relative to the two rotating wheels (8). A lever A (11) is fixedly installed on the main shaft of the mixer (10). A lever B (12) is fixedly installed on the left side of the semicircular cavity (2). When the lever A (11) is transferred to the position of the lever B (12), it is blocked by the lever B (12), which can cause the mixer (10) to flip.

2. The enrichment device for anaerobic ammonia-oxidizing bacteria according to claim 1, characterized in that: Four supporting legs (13) are fixedly mounted on the bottom surface of the shell (1), and reinforced sealing plugs (14) are fixedly mounted on the left and right side surfaces of the shell (1).

3. The enrichment device for anaerobic ammonia-oxidizing bacteria according to claim 2, characterized in that: The positions where the air inlet pipe (4), the air exhaust pipe (5) and the discharge pipe (7) are connected to the outer shell (1) are all in a sealed state, and the position where the rotating shaft (9) is connected to the outer shell (1) is installed with a bearing and a shaft seal.

4. The enrichment device for anaerobic ammonia-oxidizing bacteria according to claim 3, characterized in that: The air inlet pipe (4) is arranged at an angle, and the discharge valve (6) is tangent to the bottom surface of the semicircular cavity (2).

5. The enrichment device for anaerobic ammonia-oxidizing bacteria according to claim 4, characterized in that: The mixer (10) comprises a semicircular tube (15) and two circular tubes (16). A core shaft (17) is installed at the center of both the front and rear ends of the semicircular tube (15). The other end of the core shaft (17) passes through the rotating wheel (8) and rotates relative to it. The two circular tubes (16) are located on the left and right sides below the semicircular tube (15) and are fixed to it.

6. The enrichment device for anaerobic ammonia-oxidizing bacteria according to claim 5, characterized in that: The inner end of the lever A (11) is fixed to the core shaft (17).

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