MBBR (Moving Bed Biofilm Reactor) double-helix structure biological filler

Abstract

The utility model discloses an MBBR (Moving Bed Biofilm Reactor) double-spiral-structure biological filler, which solves the technical problem that the local structure of the filler is easy to damage when the fillers collide with each other because the conventional filler does not have a buffering function. The ball comprises a ball body structure, a connecting ball arranged at the ball center of the ball body structure, and a plurality of elastic outer spiral bodies which are arranged on the connecting ball and are distributed in a radial mode. The elastic outer spiral bodies are distributed between the inner wall of the ball structure and the outer wall of the connecting ball. The elastic outer spiral body is composed of the two hemispheroid structures which are opposite to each other, the two hemispheroid structures are elastically connected, when a certain portion of the filler is impacted, the hemispheroid structure where the impacted portion is located moves and compresses the elastic outer spiral body, and other portions on the hemispheroid structures share impact force borne by the impacted portion together. And after the elastic outer spiral body is compressed and contracted, the movement of the hemispheroid structure is buffered, so that the local stress of the filler is prevented from being too large, and the local damage of the filler is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to an MBBR double helical structure biological filler. Background Art

[0002] MBBR is a moving bed bioreactor. When MBBR is used for sewage treatment, a number of suspended fillers with a density close to that of water are added into the water body as carriers for the attachment and growth of microorganisms. Under the action of aeration or stirring, the suspended fillers are in a fluidized state with the movement of the water flow. The position of the suspended fillers is constantly changing and spread throughout the water body. The microorganisms attached to the suspended fillers are distributed throughout the water body as the suspended fillers move. In the process of growth and reproduction of the microorganisms attached to the carriers, toxic and harmful substances in the sewage are consumed, so that the sewage is purified.

[0003] When the suspended fillers are in a fluidized state, there is a possibility of mutual collision between the suspended fillers. However, some existing suspended fillers do not have a buffering function. When the suspended fillers collide with each other, the suspended fillers are subjected to a large impact force and are easily damaged locally, which is not conducive to the stability of the overall structure of the suspended fillers and shortens the service life of the suspended fillers. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a MBBR double helix structure biological filler to solve the technical problem that the existing fillers do not have a buffer function, resulting in the local structure of the fillers being easily damaged when the fillers collide with each other.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A MBBR double helix structure biological filler, characterized in that it includes a spherical structure, a connecting ball arranged at the center of the spherical structure, and a plurality of elastic outer helices arranged on the connecting ball and distributed radially; the elastic outer helices are distributed between the inner wall of the spherical structure and the outer wall of the connecting ball.

[0007] Furthermore, the spherical structure includes two hemispherical structures that are arranged opposite to each other; a receiving cavity is formed between the two hemispherical structures, and the elastic outer helical body and the connecting ball are both located in the receiving cavity.

[0008] Furthermore, a first notch communicating with the accommodating cavity is formed between the ends of the two hemispherical structures.

[0009] Furthermore, the hemispherical structure includes a plurality of arc panels which are evenly distributed in the circumferential direction and located on the same hemispherical surface, and a plurality of the elastic outer helicoids are arranged between the arc panels and the connecting ball.

[0010] Furthermore, the elastic outer spiral body includes two elastic spiral rods arranged between the arc plate and the connecting ball, and a plurality of elastic inner spiral bodies arranged between the two elastic spiral rods.

[0011] Furthermore, a second notch connected to the first notch is formed between two adjacent curved panels.

[0012] Furthermore, a connecting strip is connected between two adjacent curved panels.

[0013] Furthermore, one end of the arc panels is discontinuously circumferentially surrounded to form a partition ring, and the other ends of the arc panels are connected to each other to form a head.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model has a simple structure, a scientific and reasonable design, and is easy to use. The utility model is composed of two hemispherical structures that are distributed opposite to each other, and the two hemispherical structures are elastically connected. When a certain part of the filler is impacted, the hemispherical structure where the impacted part is located moves and compresses the elastic outer helical body, and other parts on the hemispherical structure jointly share the impact force of the impacted part, and the elastic outer helical body is compressed and contracted to buffer the movement of the hemispherical structure. In this way, excessive local force on the filler is avoided, local damage to the filler is prevented, and the service life of the filler is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A top view of the connecting ball and part of the elastic outer helical body located within one of the hemispherical structures.

[0017] Figure 2 Schematic diagram of the sphere structure.

[0018] Figure 3 This is a schematic diagram of one of the hemisphere structures.

[0019] Figure 4 This is a schematic diagram of another hemispherical structure.

[0020] Figure 5 A partial schematic diagram of the elastic outer helicoid.

[0021] Figure 6 This is a top view of the partition ring.

[0022] Figure 7 Schematic diagram of the elastic inner helix.

[0023] Figure 8 A bottom view showing the connecting ball and part of the elastic outer helical body located within another hemispherical structure.

[0024] The names corresponding to the reference numerals are:

[0025] 1-spherical structure, 2-connecting ball, 3-elastic outer helicoid, 4-hemispherical structure, 5-arc panel, 6-first notch, 7-second notch, 8-connecting strip, 9-elastic spiral rod, 10-elastic inner helicoid, 11-containing cavity, 12-partition ring, 13-head. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. 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 making creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore they cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; of course, it can also be a mechanical connection or an electrical connection; in addition, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Example 1

[0030] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0031] The utility model has a simple structure, a scientific and reasonable design, and is easy to use. The utility model is composed of two hemispherical structures that are distributed opposite to each other, and the two hemispherical structures are elastically connected. When a certain part of the filler is hit, the hemispherical structure where the hit part is located moves and compresses the elastic outer spiral body, and other parts on the hemispherical structure share the impact force of the hit part together, and the elastic outer spiral body is compressed and contracted to buffer the movement of the hemispherical structure, so that the filler is prevented from being subjected to excessive force locally, and the filler is prevented from being locally damaged, and the service life of the filler is extended; the elastic outer spiral body is composed of two elastic spiral rods and a plurality of elastic inner spiral bodies arranged between the two elastic spiral rods. On the one hand, the elastic inner spiral body ensures that the elastic outer spiral body has elasticity, while enhancing the structural strength of the elastic outer spiral body, and avoiding the elastic outer spiral body from being damaged due to long-term elastic expansion and contraction. On the whole, the service life of the filler is extended, and on the other hand, the attachment area of ​​the microorganisms on the filler is increased; the appearance of the utility model is a spherical structure, which reduces the resistance of the filler in the water body, thereby reducing the contact time when the fillers collide with each other, and further slowing down the degree of impact on the filler.

[0032] Example 2

[0033] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0034] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0035] Example 3

[0036] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0037] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0038] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0039] In this embodiment 3, microorganisms are attached to the hemispherical structure 4, the elastic outer spiral body 3 and the connecting ball 2. On the one hand, the first notch 6 is used for water circulation, which is convenient for the microorganisms attached and grown inside and outside the filler to purify the sewage. On the other hand, the first notch 6 is used to leave a gap between the two hemispherical structures 4. In this way, when one of the hemispherical structures 4 is hit, the width of the first notch 6 provides space for the buffering of the hit hemispherical structure 4, thereby avoiding the collision of the two hemispherical structures 4.

[0040] Example 4

[0041] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0042] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0043] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0044] The hemispherical structure 4 includes a plurality of arc panels 5 which are evenly distributed in the circumferential direction and located on the same hemispherical surface. A plurality of elastic external spiral bodies 3 are arranged between the arc panels 5 and the connecting ball 2 .

[0045] In the present embodiment 4, the arc plate 5 and the connecting ball 2 are elastically connected via the elastic outer spiral body 3 .

[0046] Example 5

[0047] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0048] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0049] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0050] The hemispherical structure 4 includes a plurality of arc panels 5 which are evenly distributed in the circumferential direction and located on the same hemispherical surface. A plurality of elastic external spiral bodies 3 are arranged between the arc panels 5 and the connecting ball 2 .

[0051] The elastic outer spiral body 3 includes two elastic spiral rods 9 arranged between the arc plate 5 and the connecting ball 2 , and a plurality of elastic inner spiral bodies 10 arranged between the two elastic spiral rods 9 .

[0052] In this embodiment 5, the elastic outer helix is ​​composed of two elastic spiral rods and a plurality of elastic inner helices arranged between the two elastic spiral rods. The elastic outer helix is ​​a double helix structure. On the one hand, the elastic inner helix ensures that the elastic outer helix has elasticity while enhancing the structural strength of the elastic outer helix to avoid structural damage due to long-term elastic expansion and contraction of the elastic outer helix. Overall, the service life of the filler is extended. On the other hand, the attachment area of ​​microorganisms on the filler is increased.

[0053] Example 6

[0054] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0055] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0056] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0057] The hemispherical structure 4 includes a plurality of arc panels 5 which are evenly distributed in the circumferential direction and located on the same hemispherical surface. A plurality of elastic external spiral bodies 3 are arranged between the arc panels 5 and the connecting ball 2 .

[0058] A second notch 7 communicating with the first notch 6 is formed between two adjacent curved panels 5 .

[0059] In this embodiment 6, the second notch 7 is used for water circulation, so as to facilitate the microorganisms attached and grown inside and outside the filler to purify the sewage.

[0060] Example 7

[0061] like Figure 1-8As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0062] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0063] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0064] The hemispherical structure 4 includes a plurality of arc panels 5 which are evenly distributed in the circumferential direction and located on the same hemispherical surface. A plurality of elastic external spiral bodies 3 are arranged between the arc panels 5 and the connecting ball 2 .

[0065] A connecting strip 8 is connected between two adjacent curved panels 5 .

[0066] In this embodiment 7, the connecting strip 8 is used to connect several arc panels 5 into a whole to form a hemispherical structure. In this way, on the same hemispherical structure, when one of the arc panels 5 is hit, the hit arc panel 5 drives the other arc panels 5 to move synchronously and compress the elastic outer helical body. The other arc panels 5 moving synchronously share the impact force exerted on the hit arc panel 5. In addition, the elastic outer helical body absorbs and transforms the impact exerted on the hit arc panel 5 after being compressed and contracted. In this way, structural damage to the hit arc panel 5 is avoided.

[0067] Example 8

[0068] like Figure 1-8 As shown, the utility model provides an MBBR double helical structure biological filler, including a spherical structure 1, a connecting ball 2 arranged at the center of the spherical structure 1, and a plurality of elastic outer helices 3 arranged on the connecting ball 2 and distributed radially; the elastic outer helices 3 are distributed between the inner wall of the spherical structure 1 and the outer wall of the connecting ball 2.

[0069] The spherical structure 1 includes two hemispherical structures 4 that are arranged opposite to each other. A receiving cavity 11 is formed between the two hemispherical structures 4 , and the elastic outer helical body 3 and the connecting ball 2 are both located in the receiving cavity 11 .

[0070] A first notch 6 communicating with the accommodating cavity 11 is formed between the ends of the two hemispherical structures 4 .

[0071] The hemispherical structure 4 includes a plurality of arc panels 5 which are evenly distributed in the circumferential direction and located on the same hemispherical surface. A plurality of elastic external spiral bodies 3 are arranged between the arc panels 5 and the connecting ball 2 .

[0072] One end of the arc panel 5 is discontinuously circumferentially formed to form a partition ring 12 , and the other ends of the arc panels 5 are connected to each other to form a head 13 .

[0073] In this embodiment 8, the other ends of the arc panels 5 are connected to each other to form a head 13. In this way, the arc panels 5 are connected to each other as a whole to form a hemispherical structure 4. On the same hemispherical structure, when one of the arc panels 5 is hit, the hit arc panel 5 drives the other arc panels 5 to move synchronously and compress the elastic outer helicoid. The other arc panels 5 that move synchronously share the impact force of the hit arc panel 5. Moreover, the elastic outer helicoid absorbs and transforms the impact of the hit arc panel 5 after being compressed and contracted, thus avoiding structural damage to the hit arc panel 5.

[0074] Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, rather than limiting it, and certainly not limiting the patent scope of the present invention; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention; that is to say, any changes or embellishments made to the main design concept and spirit of the present invention that have no substantive significance, and the technical problems they solve are still consistent with the present invention, should be included in the protection scope of the present invention; in addition, the direct or indirect application of the technical solution of the present invention in other related technical fields is also included in the patent protection scope of the present invention.

Claims

1. A MBBR double helical structure biological filler, characterized in that: It comprises a spherical structure (1), a connecting ball (2) arranged at the center of the spherical structure (1), and a plurality of elastic external spiral bodies (3) arranged on the connecting ball (2) and distributed radially; the elastic external spiral bodies (3) are distributed between the inner wall of the spherical structure (1) and the outer wall of the connecting ball (2); The spherical structure (1) comprises two hemispherical structures (4) arranged opposite to each other; a receiving cavity (11) is formed between the two hemispherical structures (4), and the elastic outer spiral body (3) and the connecting ball (2) are both located in the receiving cavity (11).

2. The MBBR double helical structure biofiller according to claim 1, characterized in that: A first notch (6) communicating with the accommodating cavity (11) is formed between the ends of the two hemispherical structures (4).

3. The MBBR double helical structure biofiller according to claim 2, characterized in that: The hemispherical structure (4) comprises a plurality of arc panels (5) uniformly distributed in the circumferential direction and located on the same hemispherical surface, and a plurality of the elastic outer spiral bodies (3) are arranged between the arc panels (5) and the connecting ball (2).

4. The MBBR double helical structure biofiller according to claim 3, characterized in that: The elastic outer spiral body (3) comprises two elastic spiral rods (9) arranged between the arc panel (5) and the connecting ball (2), and a plurality of elastic inner spiral bodies (10) arranged between the two elastic spiral rods (9).

5. The MBBR double helical structure biofiller according to claim 3, characterized in that: A second notch (7) connected to the first notch (6) is formed between two adjacent curved panels (5).

6. The MBBR double helical structure biofiller according to claim 3, characterized in that: A connecting strip (8) is connected between two adjacent curved panels (5).

7. The MBBR double helical structure biofiller according to claim 3, characterized in that: One end of the arc panel (5) is intermittently circumferentially formed to form a partition ring (12), and the other ends of the arc panels (5) are connected to each other to form a head (13).

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