CN110902810A

CN110902810A - Block net structure in MBBR filler pond

Info

Publication number: CN110902810A
Application number: CN201911244189.8A
Authority: CN
Inventors: 黄翀; 黄东辉; 孙兆国; 申晨希; 冯超; 史群毓
Original assignee: JIANGSU YULONG ENVIRONMENTAL PROTECTION CO Ltd
Current assignee: JIANGSU YULONG ENVIRONMENTAL PROTECTION CO Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-03-24

Abstract

The invention discloses a blocking structure of an MBBR (moving bed biofilm reactor) filler pond, which belongs to the field of sewage treatment and aims to provide a blocking structure of the MBBR filler pond, which is not required to be installed in a water cut-off mode and can reduce the accumulation possibility of a filler net. The invention is suitable for upgrading and reconstructing the existing sewage treatment equipment.

Description

Block net structure in MBBR filler pond

Technical Field

The invention relates to a blocking net structure, in particular to a blocking net structure of an MBBR (moving bed biofilm reactor) filling pond.

Background

Along with the requirement of upgrading or improving the quantity of sewage treatment plants in China, the MBBR is used for improving the standards of the sewage treatment plants, and particularly has a good effect on denitrification. After the filler is added into the activated sludge reactor, a blocking net is arranged in the filler tank to prevent the filler from flowing out of the filler tank.

At present, the blocking net is generally a single flat plate type filter net, water is generally stopped during installation, the use of the MBBR technology under certain conditions is limited, and in addition, due to the unreasonable structure of the blocking net, fillers are easily accumulated in front of the net, water outlet is affected, and even safety accidents are caused.

Based on the practical experience and professional knowledge which are abundant for years in the engineering application of the products, the designer actively carries out research and innovation by matching with the application of the theory, so as to create a blocking net structure of the MBBR packing pool, and the MBBR packing pool is more practical.

Disclosure of Invention

The invention aims to provide a blocking net structure of an MBBR (moving bed biofilm reactor) filler pond, which has the advantages of no need of water cut-off installation and capability of reducing the possibility of accumulation in front of a filler net.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a block structure in MBBR filler pond, includes the otter board module, first crosses the water tank and the second crosses the water tank, the otter board module includes a plurality of otter board modules, and is a plurality of the otter board module is arranged in proper order and is fixed through the stay tube, first cross the water tank and be located otter board module below, the bottom of otter board module with first cross water tank intercommunication, first cross the water tank with the second crosses water tank intercommunication, the water hole intercommunication is crossed with the mistake of follow-up cell body to the second.

Furthermore, the screen plate module is of a flat three-dimensional net structure, meshes are uniformly distributed on each surface of the screen plate module, and the aperture of each mesh is smaller than the particle size of the filler.

Further, first water tank of crossing is the open structure of cuboid, first water tank of crossing is located the perpendicular extension of opening part and has protruding edge, the otter board module pass through the stay tube with protruding edge fixed connection.

Further, the screen plate module is fixed with the supporting tube on the upper portion, the top of the screen plate module extends to form a U-shaped first hook portion, the first hook portions are symmetrically arranged on two sides of the screen plate module, at least one first embedding groove for embedding the supporting tube is formed in each first hook portion, and the supporting tube is fixedly connected with the first hook portions.

Further, the screen plate module and the lower part are fixed through the support pipe, the bottom of the screen plate module extends to form an L-shaped second hook part, the second hook parts are symmetrically arranged on two sides of the screen plate module, at least one second embedded groove for embedding the support pipe is formed in each second hook part, and the support pipe is fixedly connected with the second hook parts.

Furthermore, auxiliary supporting pipes are arranged on two sides of the screen plate module in the length direction and are fixedly connected with the middle of each screen plate module.

Furthermore, the shape of the second water passing tank is set according to the shape and the size of the water passing hole of the subsequent tank body, and the size of the second water passing tank is larger than that of the water passing hole of the subsequent tank body.

The screen plate module, the first water passing tank and the second water passing tank are integrated into an integrated structure, the integrated barrier net structure is placed into a sewage pool, and then the integrated barrier net is welded and fixed by a diver or an underwater robot, so that the screen plate module is easy to install and convenient to operate; MBBR packs the district and packs and the separation of the mixed liquid of sewage through the otter board module in the otter board module, and MBBR packs and stays in packing the district, and sewage gets into the otter board module, and then gets into the first water tank of crossing of bottom, and the water tank is crossed to the left second of water conservancy diversion entering again, gets into follow-up sewage treatment cell body through the water hole of crossing of the follow-up cell body of crossing water tank intercommunication with the second. The blocking net module can enable sewage to enter the net plate module from all directions of the blocking net module, and compared with the existing single flat plate type blocking net, the blocking net module can obviously reduce the possibility of accumulation in front of a filler net.

Drawings

Fig. 1 is a schematic structural view of the embodiment for embodying the whole of the barrier structure;

FIG. 2 is a schematic view illustrating a connection relationship between the screen module and the first water passing tank in the present embodiment;

fig. 3 is a schematic view of a fixing structure for embodying the screen module and the support tube in this embodiment.

In the figure, 1, a screen module; 11. a screen module; 111. a triangular structure; 112. a first hook portion; 1121. a first embedded groove; 113. a second hook portion; 1131. a second embedded groove; 2. a first water passing tank; 21. a convex edge; 3. a second water passing tank; 4. supporting a tube; 5. and (4) auxiliary supporting pipes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a block net structure in MBBR filler pond, as shown in figure 1, including otter board module 1, first water tank 2 and the second of crossing pass water tank 3, otter board module 1 includes a plurality of otter board modules 11, a plurality of otter board modules 11 are arranged in proper order and are fixed through stay tube 4, first water tank 2 that crosses is located otter board module 1 below, the bottom and the first water tank 2 intercommunication of crossing of otter board module 1, first water tank 2 and the second of crossing pass water tank 3 intercommunication, the second is crossed water tank 3 and is followed up the water hole intercommunication of crossing of cell body.

The screen plate module 11, the first water passing tank 2 and the second water passing tank 3 are integrated into an integrated structure, the integrated blocking net structure is placed into a sewage pool, and then the integrated blocking net is welded and fixed by a diver or an underwater robot, so that the installation is easy and the operation is convenient; MBBR packs the district and packs and the mixed liquid of sewage separates through otter board module 11 in the otter board module 1, and MBBR packs and stays in packing the district, and sewage gets into otter board module 11, and then gets into the first water tank 2 of crossing of bottom, and the water tank 3 is crossed to the left second of water conservancy diversion entering again, and the water hole that crosses of the follow-up cell body of water tank 3 intercommunication gets into follow-up sewage treatment cell body through crossing with the second. The barrier net module of the invention can make sewage enter the net plate module 11 from all directions of the barrier net module, and compared with the prior single flat plate type barrier net, the invention can obviously reduce the possibility of accumulation in front of the filler net.

As shown in fig. 1, the otter board module 11 is flat three-dimensional network structure, and each equal evenly distributed of otter board module 11 has the mesh, and the aperture of mesh is less than the particle diameter of packing, guarantees that sewage can pass through in the mesh, nevertheless packs and can't pass through, avoids packing outflow filler pond, and otter board module 11 is flat three-dimensional network structure, can guarantee a plurality of directions discharge sewage to first water tank 2 of crossing to realize sewage from packing the pond to subsequent sewage treatment pond transition.

As shown in FIG. 2, the first water passing tank 2 is an open structure of a rectangular parallelepiped, the first water passing tank 2 is located at the opening and vertically extends to form a protruding edge 21, the mesh plate module 1 is fixedly connected with the protruding edge 21 through the support tube 4, here, the support tube 4 and the protruding edge 21 can be fixed by welding, and the support tube 4 can also be fixed on the protruding edge 21 through fasteners such as bolts and nuts. The ledge 21 is used to facilitate the positioning of the screen module 1, and to facilitate the fixing of the screen module 1 and the first water passing box 2.

As shown in fig. 3, the screen plate module 11 is fixed to the upper support tube 4 specifically, a U-shaped first hook 112 extends from the top of the screen plate module 11, the first hook 112 is symmetrically disposed on both sides of the screen plate module 11, the first hook 112 is at least provided with a first insertion groove 1121 for inserting the support tube 4, the support tube 4 is fixedly connected to the first hook 112, and here, the support tube 4 is welded to the first hook 112; the screen plate module 11 is fixed with the support tube 4 at the lower part, specifically, the bottom of the screen plate module 11 extends to form an L-shaped second hook part 113, the second hook parts 113 are symmetrically arranged at two sides of the screen plate module 11, the second hook part 113 is at least provided with a second embedding groove 1131 for embedding the support tube 4, the support tube 4 is fixedly connected with the second hook part 113, here, the support tube 4 is welded and fixed with the second hook part 113, the plurality of screen plate modules 11 and the support tube 4 form a whole through the first hook part 112 and the second hook part 113, and the screen plate modules are used for being subsequently installed with the first water passing box 2 and the second water passing box 3. The first hook 112 and the second hook 113 are arranged, so that when the screen plate modules 11 are connected with the support tube 4, the support tube 4 is firstly placed into the first insertion groove 1121 and the second insertion groove 1131, on one hand, the support tube 4 can be positioned, and the mounting accuracy of each screen plate module 11 is ensured; on the other hand, the supporting tube 4 does not need to be held by hand for welding, and the operation is very simple and convenient.

As shown in fig. 3, the screen module 1 is provided with auxiliary support pipes 5 at two sides along the length direction, and the auxiliary support pipes 5 are fixedly connected with the middle part of each screen module 11. The auxiliary supporting tube 5 can play an auxiliary supporting role for each screen plate module 11 in the screen plate module 1, so that the screen plate module 1 is not easy to deform and the service life of the screen plate module 1 is prolonged in the long-term sewage treatment process.

As shown in fig. 1, the shape of the second water passing tank 3 is set according to the shape and size of the water passing hole of the subsequent tank body, and the size of the second water passing tank 3 is larger than that of the water passing hole of the subsequent tank body. In this embodiment, the second is crossed water tank 3 and is the cuboid structure, be convenient for with the first connection installation of crossing water tank 2, easily assembly, reduce cost.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a block structure in MBBR filler pond, its characterized in that crosses water tank (3) including otter board module (1), first water tank (2) and second of crossing, otter board module (1) includes a plurality of otter board modules (11), and is a plurality of otter board module (11) is arranged in proper order and is fixed through stay tube (4), first water tank (2) of crossing is located otter board module (1) below, the bottom of otter board module (1) with first water tank (2) intercommunication of crossing, first water tank (2) of crossing with water tank (3) intercommunication is crossed to the second, the water tank (3) and the water hole intercommunication of crossing of follow-up cell body are crossed to the second.

2. The barrier structure of an MBBR packing pool according to claim 1, wherein the net plate module (11) is a flat three-dimensional net structure, each face of the net plate module (11) is uniformly distributed with meshes, and the pore diameter of the meshes is smaller than the grain diameter of the packing.

3. The barrier structure of an MBBR packing pond according to claim 1, wherein the first water passing tank (2) is a cuboid open structure, a convex edge (21) vertically extends from the opening of the first water passing tank (2), and the mesh plate module (1) is fixedly connected with the convex edge (21) through a support pipe (4).

4. The barrier structure of an MBBR packing pond according to claim 1, wherein the mesh plate module (11) is fixed with the upper support pipe (4), specifically, a U-shaped first hook part (112) extends from the top of the mesh plate module (11), the first hook part (112) is symmetrically arranged on both sides of the mesh plate module (11), the first hook part (112) is at least provided with a first embedding groove (1121) for embedding the support pipe (4), and the support pipe (4) is fixedly connected with the first hook part (112).

5. The barrier structure of an MBBR packing pond according to claim 1, wherein the mesh plate module (11) is fixed with the lower support pipe (4), specifically, the bottom of the mesh plate module (11) extends with an L-shaped second hook part (113), the second hook part (113) is symmetrically arranged on both sides of the mesh plate module (11), the second hook part (113) is at least provided with a second embedding groove (1131) for embedding the support pipe (4), and the support pipe (4) is fixedly connected with the second hook part (113).

6. The barrier structure of an MBBR packing pond according to claim 1, wherein, the two sides of the net plate module (1) along the length direction are provided with auxiliary supporting pipes (5), and the auxiliary supporting pipes (5) are fixedly connected with the middle part of each net plate module (11).

7. A blocking structure for MBBR packing pond according to claim 1, wherein the shape of the second flow-through box (3) is arranged according to the shape and size of the flow-through holes of the subsequent pond body, and the size of the second flow-through box (3) is larger than the size of the flow-through holes of the subsequent pond body.