CN219156660U

CN219156660U - MBBR filler with high specific surface area and high film forming capacity

Info

Publication number: CN219156660U
Application number: CN202320080704.9U
Authority: CN
Inventors: 肖柯; 李志刚; 黄家虹; 刘勇; 许贵东; 谢沛男
Original assignee: Dongguan Gurun Technology Co ltd
Current assignee: Dongguan Gurun Technology Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-09
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses an MBBR packing with high specific surface area and high membrane hanging capacity, which comprises a cylindrical outer wall, wherein the surface of the outer wall is provided with a concave-convex structure, a plurality of through holes are formed in the outer wall, the axial direction of each through hole is parallel to the axial direction of the outer wall, and at least one support plate extending in the axial direction of each through hole is arranged in each through hole. The utility model can effectively increase the specific surface area of the biological filler, improve the concentration of microorganisms, and a plurality of through holes are arranged in the outer wall, so that the structural strength of the filler can be effectively increased, the risk of damage to the biological filler caused by extrusion is reduced, and the through holes and the carrier plate can also effectively cut bubbles flowing through the outer wall, thereby improving the utilization rate of oxygen and reducing the oxygenation energy consumption.

Description

MBBR filler with high specific surface area and high film forming capacity

Technical Field

The utility model relates to the field of sewage treatment, in particular to an MBBR filler with high specific surface area and high membrane hanging capacity.

Background

The MBBR is a moving bed bioreactor, the MBBR filler is an attachable carrier for microorganisms in sewage treatment, mainly provides an environment for the microorganisms to grow properly, the microorganisms are parasitic on the biological filler, and in use, the carrier is put into the reactor, sewage passes through the carrier and gradually forms a biological film on the surface of the filler, and the sewage is purified by the action of the microorganisms on the biological film. Currently, problems with conventional biological fillers mainly include: small specific surface area, difficult adhesion of microorganisms, low film forming speed, and the like.

Disclosure of Invention

The application provides an MBBR filler, which solves the problems of small surface area, small microorganism concentration and the like of the existing MBBR filler.

The utility model adopts the technical scheme that: the utility model provides a MBBR packs with high specific surface area is high to be hung membrane capacity, includes the outer wall of tube-shape, the outer wall surface is equipped with concave-convex structure, the inside cross backup pad that is equipped with of outer wall, the axle center of cross backup pad with the axle center coincidence of outer wall, just the cross backup pad with outer wall internal connection, the inside a plurality of through-hole that is equipped with of outer wall, the axial direction of through-hole with the axial direction of outer wall is parallel, just the inside at least one of through-hole with the support plate that the through-hole axial direction extends that is equipped with of through-hole.

Further, the outer wall is cylindrical.

Further, the cross section of the outer wall in the radial direction is wavy.

Further, the diameter of the outer wall is 25mm, and the height is 10mm.

Further, 40 through holes are formed in the outer wall.

Further, the components of the MBBR packing comprise biological enzyme activating materials.

Further, the effective specific surface area of the MBBR filler is 904m ² /m ³ 。

Compared with the prior art, the utility model can effectively increase the specific surface area of the filler, improve the concentration of microorganisms, and a plurality of through holes are arranged in the outer wall, so that the structural strength of the filler can be effectively increased, the risk of damage caused by extrusion of the biological filler is reduced, and the through holes and the carrier plate can also effectively cut bubbles flowing through the outer wall, thereby improving the utilization rate of oxygen and reducing the oxygenation energy consumption.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a MBBR packing in the present utility model;

FIG. 2 is a schematic top view of the MBBR packing of the present utility model.

1. An outer wall; 11. a cross support plate; 2. a concave-convex structure; 3. a carrier plate; 4. and a through hole.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides an MBBR packing with high specific surface area and high membrane hanging capacity, which is shown by combining with figures 1 and 2, wherein the structure of the MBBR packing in the application mainly comprises an outer wall 1, the outer wall 1 is cylindrical, the outer wall 1 is surrounded by the outer wall 1 in a circle, two ends of the outer wall 1 in the axial direction are both openings, water flow passing is facilitated, the surface of the outer wall 1 is provided with a concave-convex structure 2, and the outer surface area of the outer wall 1 can be effectively increased by designing the outer surface of the outer wall 1 into the concave-convex structure 2; and be equipped with a plurality of through-hole 4 in the inside of outer wall 1, the one end of through-hole 4 in outer wall 1 axial direction is linked together to the other end, these through-holes 4 interval are arranged, thereby cut apart into a plurality of minichannel with outer wall 1 inside, can increase the inside surface area of outer wall 1 like this, in addition this application still through being provided with concave-convex structure 2 in the inside of through-hole 4, carrier plate 3 has the length, carrier plate 3 connects on the inner wall of through-hole 4, and extend from the one end to the other end that through-hole 4 is located outer wall 1 axial direction, carrier plate 3 also can play the effect of increase biofilm carrier inner surface area, improve the concentration of microorganism.

Further, set up through-hole 4 in the outer wall 1 inside and separate outer wall 1 inside in this application, and set up carrier plate 3 in the through-hole 4 inside, through-hole 4 and carrier plate 3 can effectively cut the bubble of flowing through outer wall 1 to improve the utilization ratio of oxygen, reduced the oxygenation energy consumption.

Further, the outer wall 1 in this application is cylindric, and cylindric outer wall 1 can make the mobility of outer wall 1 stronger, and outer wall 1 is inside to be equipped with cross backup pad 11, and the axle center of cross backup pad 11 and the axle center coincidence of outer wall, and four plate bodies of cross backup pad 11 all are connected with the inboard of outer wall 1, and combine through-hole 4 and carrier plate 3 structure can increase the structural strength of biofilm carrier, reduce the biofilm carrier and receive the extrusion and damage the risk.

In one embodiment, the cross section of the outer wall 1 is in a wave shape, the cross section is the cross section of the outer wall 1 in the radial direction, the wave-shaped outer wall 1 can form the concave-convex structure 2 of the outer wall 1, and the surface area of the outer wall 1 can be effectively increased on the premise that the size of the outer wall 1 is not increased. In other embodiments, the concave-convex structure 2 may also be a groove, a protrusion, or the like provided on the surface of the outer wall 1.

Preferably, the diameter of the outer wall 1 is 25mm and the height is 10mm. The outer wall 1 is internally provided with 40 through holes 4, thus the effective specific surface area of the biological filler can be increased, and the effective specific surface area can reach 904m ² /m ³ 。

Further, the MBBR biological filler selected in the application is prepared from polyethylene, carbon powder, calcium carbonate and biological enzyme activating material according to a certain proportion, wherein the polyethylene is used as a matrix material of a frame; the addition of carbon powder can improve the hydrophilicity of the biological filler and provide attachment points for microorganisms; the addition of the biological enzyme activity-increasing material can accelerate the growth and propagation of microorganisms, shorten the film-forming time of the microorganisms, ensure high biological activity, remarkably improve the biodegradability, particularly remarkably improve the ammonia nitrogen decomposition capability of organisms by the nitrifying bacteria amount which is 1.5 times that of unmodified fillers in the biological film; the calcium carbonate can make the surface of the biological filler become coarser, improve the adhesive force of microorganisms and prevent the microorganisms from falling off. In addition, the biological filler in the application can be subjected to chemical oxidation, low-temperature plasma treatment and the like, so that the surface of the carrier of the biological filler can be positively charged, and thus, the biological filler can be fully attached to negatively charged microorganisms. The biological seasoning has the film forming time of 3-5 days, and has strong ultraviolet resistance and ageing resistance, and the service life of more than 25 years.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The MBBR packing with the high specific surface area and high film hanging capacity is characterized by comprising a cylindrical outer wall, wherein the surface of the outer wall is provided with a concave-convex structure, a cross support plate is arranged inside the outer wall, the axis of the cross support plate coincides with the axis of the outer wall, the cross support plate is connected with the inner part of the outer wall, a plurality of through holes are formed inside the outer wall, the axial direction of the through holes is parallel to the axial direction of the outer wall, and at least one support plate extending in the axial direction of the through holes is arranged inside the through holes.

2. MBBR filler according to claim 1, wherein the outer wall is cylindrical.

3. MBBR packing according to claim 2, wherein the outer wall has a wave-shaped cross section in radial direction.

4. A MBBR filler according to claim 3, wherein the outer wall has a diameter of 25mm and a height of 10mm.

5. MBBR packing according to claim 4, wherein said outer wall is internally provided with 40 said through holes.

6. MBBR filler according to claim 1, wherein the MBBR filler has an effective specific surface area of 904m2/m3.