Culture device for MBBR (Moving Bed Biofilm Reactor) activated sludge

Abstract

The utility model relates to the technical field of activated sludge culture devices, in particular to an MBBR (Moving Bed Biofilm Reactor) activated sludge culture device which comprises a culture box, the culture box comprises a box shell and a box cover, the box cover is arranged at the head of the box shell and is fixedly connected with the box shell, a stirring assembly is arranged in the box shell, and the stirring assembly is fixedly connected with the box shell. A driving motor for driving the stirring assembly to rotate is fixedly mounted on the upper end surface of the box cover, the stirring assembly comprises a middle pipe part and blade groups, and the blade groups are uniformly mounted on the middle pipe part from top to bottom. The rotatable stirring assembly is installed in the incubator to ensure that activated sludge can be stirred in the culture process, then it can be ensured that the activated sludge makes better contact with air, a better culture effect is achieved, meanwhile, the stirring assembly is designed to be of a middle pipe part and a blade set structure capable of being rotationally adjusted, and the stirring efficiency is improved. Therefore, the stirring inclination angle of the stirring blade can be adjusted through the angle control piece during stirring processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to activated sludge culture device technical field, especially in MBBR activated sludge culture device. BACKGROUND

[0002] MBBR process combines the advantages of activated sludge method and biofilm method, and provides a fixed growth surface for microorganisms by adding suspended filler to the reactor. These fillers move freely in the reactor under the action of aeration, forming a dynamic biofilm.

[0003] The existing Chinese patent with publication number CN213202500U discloses an activated sludge culture device for a sewage plant, which comprises a barrel body, a barrel cover fixedly connected to the upper surface of the barrel body through screws, a discharge pipe fixedly communicated with the bottom of the barrel body, a support column fixedly connected to the bottom of the barrel body, a mounting rack fixedly connected to the upper surface of the barrel cover, and a drive motor fixedly connected to the inner wall of the mounting rack.

[0004] In view of the above-mentioned related technology, it is found that the above-mentioned activated sludge culture device cannot adjust the stirring amplitude according to the actual culture condition when stirring is used, which not only has low efficiency but also has narrow application range, and cannot meet the different activated sludge culture use. UTILITY MODEL CONTENTS

[0005] The utility model solves the problem in the related art and proposes an MBBR activated sludge culture device.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] An MBBR activated sludge culture device comprises a culture box, the culture box comprises a box shell and a box cover, the box cover is installed at the head of the box shell, and the box cover is fixedly connected with the box shell, an equipment support is also fixedly installed on the lower end surface of the box shell, a stirring assembly is installed in the box shell, a drive motor for driving the stirring assembly to rotate is fixedly installed on the upper end surface of the box cover, the stirring assembly comprises a middle pipe part and a blade group, the blade group is uniformly installed on the middle pipe part from top to bottom, and the blade group is rotatably connected with the middle pipe part, an angle control member for adjusting the angle of the blade group is also fixedly installed on the middle pipe part, and a temperature probe, a pH probe and a dissolved oxygen probe are also installed in the box shell.

[0008] As a preferred scheme, the box shell comprises a top shell and a bottom shell, the bottom shell is installed on the lower end surface of the top shell, and the bottom shell is fixedly connected with the top shell, a discharge pipe with a valve is also fixedly installed on the lower end surface of the bottom shell, and a plurality of oxygen charging aeration pipes are also fixedly installed on the bottom shell.

[0009] As a preferred scheme, the middle pipe part comprises a connecting pipe and a stirring pipe, the connecting pipe is installed at the head of the stirring pipe, and the connecting pipe is integrally formed with the stirring pipe.

[0010] As a preferred scheme, the head of the connecting pipe is symmetrically provided with a connecting hole, and a sealing cap is installed at the lower end of the stirring pipe, and the sealing cap is in threaded fixed connection with the stirring pipe.

[0011] As a preferred scheme, the blade group comprises a rotating shaft rod and stirring blades, the rotating shaft rod is rotatably installed in the stirring pipe, and the stirring blades are fixedly installed at both ends of the rotating shaft rod.

[0012] As a preferred scheme, the angle control member comprises an angle motor and a driving wheel, the angle motor is fixedly installed on the outer side of the stirring pipe, an output shaft of the angle motor extends into the stirring pipe, and the driving wheel is fixedly installed on the output shaft of the angle motor.

[0013] As a preferred scheme, a double pulley is fixedly sleeved at the middle part of the rotating shaft rod, the double pulleys are connected through a transmission belt, and the uppermost double pulley is connected with the driving wheel through the transmission belt.

[0014] Compared with the prior art, the application has the beneficial effects that: the application can ensure that the active sludge is stirred during the cultivation process by installing the rotatable stirring assembly in the incubator, so that the active sludge can be better contacted with air, and better cultivation effect is achieved, and the stirring assembly is designed as a middle pipe part and a blade group structure that can be rotated and adjusted, so that the stirring angle of the stirring blades can be adjusted through the angle control member during the stirring process, and the purpose of adjusting the stirring amplitude is achieved, and the application has the advantages of convenient use and easy adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic view of the application;

[0016] Figure 2 is the perspective view of the cooperation of the stirring assembly and the angle control member in the embodiment of the application;

[0017] Figure 3 is Figure 2 the front view of the device shown;

[0018] Figure 4 is Figure 2 the top view of the device shown;

[0019] Figure 5 is the perspective view of the blade group in the embodiment of the application.

[0020] In the figure: 1, incubator; 11, box shell; 111, top shell; 112, bottom shell; 113, discharge pipe; 114, oxygenation aeration pipe; 13, equipment support; 12, box cover; 2, stirring assembly; 21, middle tube part; 211, connecting pipe; 212, stirring pipe; 213, connecting hole; 214, sealing cap; 22, blade group; 221, rotating shaft rod; 222, stirring blade; 223, double pulley; 224, transmission belt; 3, driving motor; 4, angle control part; 41, angle motor; 42, driving wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0023] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not meant to limit the scope of the present application. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in proportion. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0024] In the description of the utility model, need understanding is, the orientation word such as " before, after, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and so on indicated orientation or positional relationship usually is based on the orientation or positional relationship shown in drawing, just is for the convenience of describing the utility model and simplifying description, under the condition without making opposite statement, these orientation words do not indicate and suggest the device or element indicated must have specific orientation or with specific orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation word " inside, outside " refers to the inside and outside relative to the contour of each component.

[0025] For the convenience of description, spatial relative terms can be used here, such as " above " " above " " upper surface " " upper " and the like, to describe the spatial position relationship of one device or feature with other devices or features as shown in the figure. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is inverted, the device described as " above " or " above " other devices or structures will be positioned " below " or " below " other devices or structures. Thus, the exemplary term " above " can include both " above " and " below ". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0026] In addition, it should be noted that the use of " first " " second " and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore can not be understood as the restriction of the protection scope of the utility model.

[0027] Referring to Figure 1 , Figure 2 and Figure 3As shown, a kind of MBBR activated sludge culture device, including incubator 1, incubator 1 includes box shell 11 and box cover 12, box cover 12 is installed on the head of box shell 11, and box cover 12 is fixedly connected with box shell 11, the lower end surface of the box shell 11 is also fixedly installed with equipment support 13, stirring assembly 2 is installed in box shell 11, and driving motor 3 for driving stirring assembly 2 to rotate is fixedly installed on the upper end surface of box cover 12, stirring assembly 2 includes middle tube part 21 and blade group 22, blade group 22 is uniformly installed on middle tube part 21 from top to bottom, and blade group 22 is rotatably connected with middle tube part 21, angle control member 4 for adjusting the angle of blade group 22 is also fixedly installed on middle tube part 21, temperature probe, pH probe and dissolved oxygen probe are also installed in box shell 11, temperature probe, pH probe and dissolved oxygen probe can be installed in layers, and sludge at different positions can be conveniently detected. By designing the incubator 1 into the structure that the box shell 11 and the box cover 12 cooperate, the upper end of the box shell 11 can be sealed by the box cover 12 during use, so that the activated sludge can be stably cultured in the box shell 11, and the activated sludge can be stirred during the culture process by the setting of the stirring assembly 2 and the driving motor 3, so that the activated sludge can be more fully contacted with air. By designing the stirring assembly 2 into the structure that the middle tube part 21 and the blade group 22 cooperate, the middle tube part 21 can be connected with the driving motor 3 during use, and then a plurality of blade groups 22 can be installed in parallel on the middle tube part 21 to realize stirring operation under the driving of the middle tube part 21. By fixedly installing the angle control member 4 on the middle tube part 21, the angle of the blade group 22 can be adjusted according to the measurement of the temperature probe and the pH probe during stirring, so as to change the stirring amplitude of the stirring assembly 2. The box shell 11 includes top shell 111 and bottom shell 112, the bottom shell 112 is installed on the lower end surface of the top shell 111, and the bottom shell 112 is fixedly connected with the top shell 111, the lower end surface of the bottom shell 112 is also fixedly installed with a discharge pipe 113 with a valve, and a plurality of oxygenation aeration pipes 114 are also fixedly installed on the bottom shell 112, and the activated sludge is continuously aerated during the culture process. By designing the box shell 11 into the structure that the top shell 111 and the bottom shell 112 cooperate, the structure of the arc-shaped bottom shell 112 can facilitate better stirring operation during use, and the setting of the discharge pipe 113 can ensure that the cultured activated sludge is stably discharged, and the setting of the equipment support 13 can ensure that the discharge pipe 113 can be suspended 1.3-1.5 meters, and the container, such as ton barrel, under the bottom can be placed.

[0028] Refer to Figure 2 And Figure 3As shown, the middle tube part 21 includes a connecting tube 211 and a stirring tube 212, the connecting tube 211 is installed at the head of the stirring tube 212, and the connecting tube 211 is integrally formed with the stirring tube 212. The structure of the middle tube part 21 is arranged to ensure that the stirring tube 212 can be connected with the driving motor 3 through the connecting tube 211 during use. The head of the connecting tube 211 is symmetrically provided with a connecting hole 213, and the lower end of the stirring tube 212 is provided with a sealing cap 214 which is threadedly connected with the stirring tube 212. The connecting hole 213 is arranged to facilitate connection by bolts, and the sealing cap 214 is arranged to seal the lower end of the stirring tube 212 to prevent sludge from entering the stirring tube 212. The blade set 22 includes a rotating shaft rod 221 and stirring blades 222, the rotating shaft rod 221 is rotatably installed in the stirring tube 212, and the stirring blades 222 are fixedly installed at both ends of the rotating shaft rod 221. The structure of the blade set 22 is arranged to ensure that the stirring blades 222 can be installed through the rotating shaft rod 221 during use, so that the inclination angle of the stirring blades 222 can be changed by rotating the rotating shaft rod 221 when adjustment is needed, thereby achieving the purpose of changing the stirring amplitude.

[0029] Referring to Figure 3 , Figure 4 and Figure 5 , the angle control member 4 includes an angle motor 41 and a driving wheel 42, the angle motor 41 is fixedly installed on the outer side of the stirring tube 212, and the output shaft of the angle motor 41 extends into the stirring tube 212, and the driving wheel 42 is fixedly installed on the output shaft of the angle motor 41. The middle part of the rotating shaft rod 221 is sleeved with a double pulley 223, the double pulleys 223 are connected by a transmission belt 224, and the uppermost double pulley 223 is connected with the driving wheel 42 by the transmission belt 224. The angle control member 4 is designed as a structure in which the angle motor 41 cooperates with the driving wheel 42, which facilitates the rotation of the driving wheel 42 by the angle motor 41 during use, and the double pulleys 223 and the rotating shaft rod 221 are driven to rotate and adjust by the transmission belt 224 on the driving wheel 42, and the blade sets 22 are connected by the transmission belt 224, thereby achieving the purpose of synchronous rotation and adjustment of all blade sets 22, and in order to ensure the normal use of the angle motor 41, the angle motor 41 can be powered by a conductive slip ring, avoiding the influence of the rotation of the middle tube part 21.

[0030] In this embodiment, the driving motor can be started to drive the entire stirring assembly to rotate in the incubator during actual use, and then the stirring blades can be used to stir the activated sludge, and when the temperature and pH difference of the activated sludge is detected to be large, the angle motor can be started to drive the stirring blades to overturn, ensuring that the stirring is performed at a larger slope, and when the temperature and pH difference is small, the stirring angle of the stirring blades can be slowly reduced, which is very convenient to use.

[0031] The above is the preferred embodiment of the present application, and the person skilled in the art can change and modify the above embodiment, therefore, the present application is not limited to the above specific embodiments, and any obvious improvement, replacement or modification made by the person skilled in the art on the basis of the present application belongs to the protection scope of the present application.

Claims

1. A cultivation device for MBBR activated sludge comprising a cultivation box (1), characterized in that: The culture box (1) includes a box shell (11) and a box cover (12), the box cover (12) is installed on the head of the box shell (11), and the box cover (12) is fixedly connected with the box shell (11), the lower end surface of the box shell (11) is also fixedly installed with an equipment support (13), the box shell (11) is installed with a stirring assembly (2), and the upper end surface of the box cover (12) is fixedly installed with a driving motor (3) for driving the stirring assembly (2) to rotate, the stirring assembly (2) includes a middle pipe part (21) and a blade group (22), the blade group (22) is uniformly installed on the middle pipe part (21) from top to bottom, and the blade group (22) is rotatably connected with the middle pipe part (21), the middle pipe part (21) is also fixedly installed with an angle control piece (4) for adjusting the angle of the blade group (22), and the box shell (11) is also installed with a temperature probe, a pH probe and a dissolved oxygen probe.

2. The cultivation device for MBBR activated sludge according to claim 1, characterized in that: The box shell (11) includes a top shell (111) and a bottom shell (112), the bottom shell (112) is installed on the lower end surface of the top shell (111), and the bottom shell (112) is fixedly connected with the top shell (111), the lower end surface of the bottom shell (112) is also fixedly installed with a discharge pipe (113) with a valve, and a plurality of oxygenation aeration pipes (114) are also fixedly installed on the bottom shell (112).

3. The cultivation device for MBBR activated sludge according to claim 2, characterized in that: The middle pipe part (21) includes a connecting pipe (211) and a stirring pipe (212), the connecting pipe (211) is installed on the head of the stirring pipe (212), and the connecting pipe (211) is integrally formed with the stirring pipe (212).

4. The cultivation device for MBBR activated sludge according to claim 3, characterized in that: The head of the connecting pipe (211) is symmetrically provided with a connecting hole (213), and the lower end of the stirring pipe (212) is installed with a sealing cap (214), and the sealing cap (214) is threadedly fixedly connected with the stirring pipe (212).

5. The cultivation device for MBBR activated sludge according to claim 4, characterized in that: The blade group (22) includes a rotating shaft rod (221) and stirring blades (222), the rotating shaft rod (221) is rotatably installed in the stirring pipe (212), and the stirring blades (222) are fixedly installed on both ends of the rotating shaft rod (221).

6. The cultivation device for MBBR activated sludge according to claim 5, characterized in that: The angle control piece (4) includes an angle motor (41) and a driving wheel (42), the angle motor (41) is fixedly installed on the outer side surface of the stirring pipe (212), and the output shaft of the angle motor (41) extends into the stirring pipe (212), and the driving wheel (42) is fixedly installed on the output shaft of the angle motor (41).

7. The cultivation device for MBBR activated sludge according to claim 6, characterized in that: The middle part of the rotating shaft rod (221) is sleeved with a double pulley (223), the double pulleys (223) are connected through a transmission belt (224), and the uppermost double pulley (223) is connected with the driving wheel (42) through the transmission belt (224).

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