Nitrifying bacterium propagation device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a nitrifying bacteria expanding culture device which comprises an expanding culture tank, an aeration pipe and a discharge port are arranged at the bottom of the expanding culture tank, and the aeration pipe is externally connected with a fan and provides oxygen for nitrifying bacteria in the expanding culture tank; the feeding device is used for adding a culture medium and nutrient substances required by nitrifying bacteria into the propagation pool; the biofilm culturing device is arranged in the expanding culture pool and provides an attachment area and a growth environment for the nitrifying bacteria; and the ultrasonic vibration device comprises an ultrasonic generator and a transducer, and the transducer is arranged in the propagation pool, receives ultrasonic waves of the ultrasonic generator and converts the ultrasonic waves into mechanical vibration. According to the nitrifying bacteria expanding culture device, through organic combination of the feeding device, the online monitoring device, the biofilm culturing device and the ultrasonic vibration device, efficient and stable culture of nitrifying bacteria is achieved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a nitrifying bacteria propagation device. Background Technology

[0002] Nitrifying bacteria are widely used in the wastewater treatment industry, playing a crucial role in the degradation of ammonia nitrogen and the restoration of the aquatic environment. Current methods of cultivating nitrifying bacteria involve attaching them to biofilm carriers for propagation. However, the limited surface area of ​​a single biofilm carrier makes it prone to microbial aggregation over time. Excessively thick biofilms can impair oxygen and culture medium transfer within the carrier, reducing nitrifying bacteria activity and impacting propagation efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a nitrifying bacteria propagation device to solve the problems mentioned in the background art.

[0004] A nitrifying bacteria propagation device, characterized in that: it includes...

[0005] An expansion tank is provided with an aeration pipe and a discharge port at the bottom of the expansion tank. The aeration pipe is connected to an external blower to provide oxygen for the nitrifying bacteria in the expansion tank.

[0006] The feeding device is used to add the culture medium and nutrients required by nitrifying bacteria into the expansion tank;

[0007] A biofilm attachment device is installed in the expansion tank to provide attachment area and growth environment for nitrifying bacteria;

[0008] An ultrasonic vibration device includes an ultrasonic generator and a transducer. The transducer is placed in the expansion tank, receives ultrasonic waves from the ultrasonic generator and converts them into mechanical vibrations, thereby reducing the degree of nitrifying bacteria aggregation on the biofilm device.

[0009] Furthermore, the feeding device includes a feeding pump and a feeding pipe. One end of the feeding pipe is connected to the storage tank and the other end extends into the expansion tank. The feeding pump transports the culture medium and nutrients in the storage tank to the expansion tank through the feeding pipe.

[0010] Furthermore, the biofilm attachment device includes a biofilm support, which is provided with multiple biofilm carriers for nitrifying bacteria to attach to.

[0011] Furthermore, the film support includes a fixing frame and a carrier hanging rod. The fixing frame is horizontally fixed in the expansion tank, and the fixing frame is provided with several hanging slots. The top of the carrier hanging rod is provided with a hook.

[0012] Furthermore, the film carrier has a cylindrical hole at its center, and several elastic fins are spaced apart on the carrier hanging rod. The film carrier is sleeved on the carrier hanging rod through the cylindrical hole and fixed by the elastic fins.

[0013] Furthermore, the hook is detachably connected to the carrier hanging rod.

[0014] Furthermore, the propagation device also includes an online monitoring device for real-time monitoring of key parameters within the reactor, such as temperature, pH, dissolved oxygen concentration, and nitrifying bacteria activity.

[0015] Compared with the prior art, the present invention provides a nitrifying bacteria propagation device, which has the following beneficial effects:

[0016] This nitrifying bacteria propagation device achieves efficient and stable cultivation of nitrifying bacteria through the organic combination of a feeding device, an online monitoring device, a biofilm formation device, and an ultrasonic vibration device. The device boasts advantages such as simple operation, easy maintenance, and a high degree of automation, providing a new solution for nitrifying bacteria cultivation in wastewater treatment plants. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a structural diagram of the biofilm carrier;

[0020] Figure 3 This is a structural diagram of the fixed frame;

[0021] Figure 4 This is a schematic diagram of the carrier hanging rod structure.

[0022] The specific labels for each item in the figure are as follows:

[0023] 1. Expansion tank, 11. Aeration pipe, 12. Discharge port, 2. Feeding device, 3. Film attachment device, 31. Film attachment support, 32. Film attachment carrier, 321. Cylindrical hole, 4. Ultrasonic vibration device, 41. Ultrasonic generator, 42. Transducer, 5. Online monitoring device. Detailed Implementation

[0024] 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.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example 1:

[0026] This embodiment provides a nitrifying bacteria propagation device, such as... Figure 1 As shown, it includes a culture tank 1, a feeding device 2, a film attachment device 3, an ultrasonic vibration device 4, and an online monitoring device 5.

[0027] The bottom of the expansion tank 1 is equipped with an aeration pipe 11 and a discharge port 12. The aeration pipe 11 is connected to an external blower 13 to provide oxygen for the nitrifying bacteria in the expansion tank 1.

[0028] The feeding device 2 includes a feeding pump, a feeding pipe and a storage tank. One end of the feeding pipe is connected to the storage tank and the other end extends into the expansion tank 1. The feeding pump transports the culture medium and nutrients in the storage tank to the expansion tank 1 through the feeding pipe.

[0029] The biofilm attachment device 3 is set in the expansion tank 1, including a biofilm support 31 and multiple biofilm carriers 32 set on the biofilm support 31. The biofilm carriers 32 provide attachment area and growth environment for nitrifying bacteria.

[0030] The ultrasonic vibration device 4 includes an ultrasonic generator 41 and a transducer 42. The transducer 42 is installed in the expansion tank 1, receiving the ultrasonic waves from the ultrasonic generator 41 and converting them into mechanical vibrations. This vibration can disrupt the microbial aggregation on the biofilm surface, preventing the biofilm from becoming too thick, while simultaneously promoting the transfer of nutrients and oxygen and increasing the activity of nitrifying bacteria. The ultrasonic frequency of the ultrasonic generator 41 is set based on the monitoring results of the online monitoring device 5 and the microbial attachment status on the biofilm attachment device 3.

[0031] The online monitoring device 5 is used to monitor key parameters within the reactor in real time, such as temperature, pH value, dissolved oxygen concentration, and nitrifying bacteria activity. This device consists of sensors, a data acquisition module, and a display terminal. The sensors are installed inside the reactor to collect data in real time; the data acquisition module processes and stores the data collected by the sensors; and the display terminal displays real-time and historical data, facilitating monitoring and management by operators. Example 2:

[0032] This embodiment provides a biofilm attachment device 3 for the nitrifying bacteria propagation device provided in Embodiment 1, such as... Figure 2-4 It includes a biofilm support 31 and multiple biofilm carriers 32 disposed on the biofilm support 31, wherein the biofilm carriers 32 provide attachment area and growth environment for nitrifying bacteria.

[0033] The film support 31 includes a fixed frame 311 and a carrier hanging rod 312. The fixed frame 311 is horizontally fixed in the expansion tank 1. The fixed frame 311 is provided with several hanging grooves 313. The top of the carrier hanging rod 312 is provided with a hook 314.

[0034] The biofilm carrier 32 has a cylindrical hole 321 at its center, which is slightly larger than the diameter of the carrier hanging rod 312. Several elastic fins 315 are spaced apart on the carrier hanging rod 312, and each elastic fin 315 forms an acute angle with the top of the carrier hanging rod 312.

[0035] When the film carrier 32 is installed, it is inserted from below the carrier hanging rod 312, and the elastic fin 315 is compressed and deformed to move the film carrier 32 above the elastic fin 315, so that the elastic fin 315 supports the film carrier 32.

[0036] To facilitate the removal of the film carrier 32, the hook 314 is detachably connected to the carrier hanging rod 312. When it is necessary to remove the film carrier 32, the hook is removed, and the film carrier 32 is moved further up the carrier hanging rod 312 until it is removed from the top.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

Claims

1. A device for propagating nitrifying bacteria, characterized in that: include The expansion tank (1) is provided with an aeration pipe (11) and a discharge port (12) at the bottom. The aeration pipe (11) is connected to an external blower (13) to provide oxygen for the nitrifying bacteria in the expansion tank (1). Feeding device (2) is used to add the culture medium and nutrients required by nitrifying bacteria into the expansion tank (1); The biofilm attachment device (3) is set in the expansion tank (1) to provide the attachment area and growth environment for nitrifying bacteria; The ultrasonic vibration device (4) includes an ultrasonic generator and a transducer. The transducer is set in the expansion tank (1) to receive ultrasonic waves from the ultrasonic generator and convert them into mechanical vibrations, thereby reducing the degree of nitrifying bacteria aggregation on the biofilm device (3).

2. The nitrifying bacteria propagation device according to claim 1, characterized in that: The feeding device (2) includes a storage tank, a feeding pump and a feeding pipe. One end of the feeding pipe is connected to the storage tank and the other end extends into the expansion tank (1). The feeding pump transports the culture medium and nutrients in the storage tank to the expansion tank (1) through the feeding pipe.

3. The nitrifying bacteria propagation device according to claim 1, characterized in that: The biofilm device (3) includes a biofilm support (31), on which multiple biofilm carriers (32) are provided for nitrifying bacteria to attach.

4. The nitrifying bacteria propagation device according to claim 3, characterized in that: The film support (31) includes a fixed frame (311) and a carrier hanging rod (312). The fixed frame (311) is horizontally fixed in the expansion tank (1). The fixed frame (311) is provided with several hanging grooves (313). The top of the carrier hanging rod (312) is provided with a hook (314).

5. The nitrifying bacteria propagation device according to claim 4, characterized in that: The film carrier (32) has a cylindrical hole (321) in the center, and a number of elastic fins (315) are spaced apart on the carrier hanging rod (312). The film carrier (32) is sleeved on the carrier hanging rod (312) through the cylindrical hole (321) and fixed by the elastic fins (315).

6. The nitrifying bacteria propagation device according to claim 4, characterized in that: The hook (314) is detachably connected to the carrier hanging rod (312).

7. The nitrifying bacteria propagation device according to claim 1, characterized in that: The propagation device also includes an online monitoring device (5) for real-time monitoring of key parameters within the reactor.

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