CN219217715U

CN219217715U - Combined suspension filler

Info

Publication number: CN219217715U
Application number: CN202223206021.8U
Authority: CN
Inventors: 李娟红; 浩桐熙; 陈晓燕; 黄馨玥; 张俊伟; 曹骏一
Original assignee: Changzhou Vocational Institute of Engineering
Current assignee: Changzhou Vocational Institute of Engineering
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-20
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a combined suspended filler, which consists of a spherical shell, a limit supporting rod, a compartment filler groove, a denitrification carrier, a deodorization carrier and a dephosphorization carrier, wherein the spherical shell comprises an upper hemispherical shell and a lower hemispherical shell, the limit supporting rod is arranged on the central shaft of the spherical shell, one ends of the limit supporting rods at two ends are respectively clamped with the bottoms of the upper hemispherical shell and the lower hemispherical shell, the other ends of the limit supporting rods penetrate through the compartment filler groove and are clamped with the middle limit supporting rod, the compartment filler groove divides the spherical shell into six cavities, and the spherical shell is sequentially filled with the denitrification carrier, the deodorization carrier and the dephosphorization carrier from the center to the two bottom ends. Compared with the traditional suspended filler, the combined suspended filler solves the technical problems of small specific surface area, easy deformation, easy blockage, poor denitrification and dephosphorization efficiency and the like of the filler in the technology, and has the advantages of simple structure, short starting period, high treatment efficiency and low cost.

Description

Combined suspension filler

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a combined suspended filler.

Background

The moving bed biofilm reactor MBBR integrated activated sludge process and contact oxidation process features that suspended stuffing with density close to that of water is set inside the reactor as microbe carrier to raise the biomass inside the reactor, promote the adhesion and suspension growth of microbe, strengthen the contact between microbe and sewage and raise the system treating efficiency. The suspended filler is a core component of the MBBR technology, is different from the traditional filler, is easier to contact with sewage frequently, has good hydrophilicity and is easy to form a film.

However, the existing suspension filler is mainly prepared from polyethylene, polypropylene and polyurethane by injection molding into cylindrical and spherical shapes. The cylindrical filler forms a biomembrane attachment growth place through a tubular channel communicated with the upper bottom and the lower bottom, and the tubular filler has single channel and small specific surface area. The spherical filler overcomes the defect of small specific surface area of a cylinder by a hollow structure, polyurethane, biochemical cotton or filter cotton filler is filled in the sphere, so that the nitrification efficiency is improved, but the polyurethane is piled up, sewage is difficult to permeate into the interior, and dead areas are easily blocked. In order to improve the denitrification efficiency, the filler is mixed with a biodegradable carbon source in injection molding, the filler frame is easy to wear and consume along with denitrification reaction, the fluidized fillers collide with each other, the fillers are easy to deform, the spherical suspended filler outer shell is easy to separate, so that the biological film is rapidly fallen off, and the impact resistance and the compound capability of the system are reduced.

Disclosure of Invention

The utility model aims to provide a combined suspended filler which has the advantages of simple structure, short starting period, high treatment efficiency and low cost, and solves the technical problems of small specific surface area, easy deformation, easy blockage, poor denitrification and dephosphorization efficiency and the like of the filler in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the combined type suspension filler consists of a spherical shell, a limit supporting rod, a compartment filler groove, a denitrification carrier, a deodorization carrier and a dephosphorization carrier, wherein the spherical shell is of a circular hollow structure and comprises an upper hemispherical shell and a lower hemispherical shell which are connected in a clamping way; the limiting support rods are arranged on the central shaft of the spherical shell, one ends of the limiting support rods at two ends are respectively connected with the bottoms of the upper hemispherical shell and the lower hemispherical shell in a clamping mode, the other ends of the limiting support rods penetrate through the compartment packing grooves to be connected with the middle limiting support rods in a clamping mode, the compartment packing grooves divide the spherical shell into six cavities in total, and the spherical shell is sequentially filled with a denitrification carrier, a deodorization carrier and a dephosphorization carrier from the center to the two bottoms.

Preferably, the spherical shell is made of ABS, the hollowed-out aperture ratio is 65% -80%, and the upper end and the lower end are provided with limiting thread grooves.

Preferably, the limit supporting rod is a cylinder with variable diameters at two ends, and comprises a middle column A and two side columns A, wherein the diameter of the middle column A is 6-10mm, the diameter of the two side columns A is 3-5mm, and the cylinder is of a threaded structure.

Preferably, the middle limit supporting rod is a cylinder with one end of which the diameter is changed, the middle limit supporting rod comprises a side column B and a middle column B, the diameter of the middle column B is 6-10mm, the diameter of the side column B is 3-5mm, and the cylinder is of a threaded structure.

Preferably, the compartment filling groove comprises an upper tray edge, a cylindrical disc, a lower tray edge and a through hole, the diameter of the through hole is 8-12mm, the upper surface and the lower surface of the cylindrical disc are in a grid shape, and the edges of the upper tray edge and the lower tray edge are clamped with the spherical shell.

Preferably, the denitrification carrier is in a solid thorn sphere shape, the filling rate is 30% -40%, the denitrification carrier comprises an external thorn body A and an internal sphere, and the denitrification carrier is formed by compounding chestnut thorn shell powder, walnut shell powder, high-low density polyethylene, a toughening agent and a surfactant.

Preferably, the deodorizing carrier is hollow thorn sphere, the filling rate is 20% -30%, the deodorizing carrier comprises an outer thorn body B, a sphere ring and a central thorn body, the deodorizing carrier is made of carbon fiber, and the three-layer structure is a thorn body woven porous structure.

Preferably, the dephosphorization carrier is a porous sphere, the filling rate is 15% -20%, and the surface is provided with a plurality of pore channels, and the material is light aerated concrete.

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

1. compared with the traditional suspended filler, the combined suspended filler divides the spherical shell into denitrification, deodorization and dephosphorization areas through the compartment filler grooves, adopts mixed processing denitrification carriers such as chestnut shell powder, walnut shell powder and the like, takes activated carbon fibers as the deodorization carriers, and takes light aerated concrete as the dephosphorization carriers, thereby realizing the recycling utilization of wastes and improving the treatment efficiency of the system.

2. The combined suspended filler is fixedly connected by adopting the upper and lower spherical outer shells made of ABS materials, so that the inner filler structure is effectively protected, the service life of the filler is prolonged, and the sewage treatment efficiency is improved.

3. The combined suspended filler has the advantages that the spherical carrier and the compartment filler grooves arranged in the denitrification, deodorization and dephosphorization areas in the spherical shell have larger specific surface area and good hydrophilicity, microorganisms are easy to adhere to form a biological film, and the structural arrangement forms an anaerobic area, an anoxic area and an aerobic area from the center of the spherical shell from inside to outside.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the outer housing structure of the present utility model;

FIG. 3 is a schematic illustration of the internal structure of the suspended filler of the present utility model;

FIG. 4 is a block diagram of a limit support bar of the present utility model;

FIG. 5 is a block diagram of an intermediate limit support bar of the present utility model;

FIG. 6 is a block diagram of a compartment filler tank of the present utility model;

FIG. 7 is a block diagram of a denitrification carrier according to the utility model;

FIG. 8 is a block diagram of a deodorizing carrier according to the present utility model;

FIG. 9 is a block diagram of a phosphorous removal carrier of the present utility model.

In the figure: 1. a spherical shell; 101. an upper hemispherical shell; 102. a lower hemispherical shell; 2. a limit support rod; 201. a middle column A; 202. two side columns A; 3. a compartment filler tank; 301. an upper tray edge; 302. a cylindrical disk; 303. a lower tray edge; 304. a through hole; 4. a denitrification carrier; 401. an outer spike A; 402. an inner sphere; 5. a deodorizing carrier; 501. an outer spike B; 502. a ball ring; 503. a central thorn body; 6. a dephosphorization carrier; 601. a plurality of pore channels; 7. a middle limit support rod; 701. a side column B; 702. and a middle column B.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-9, in this embodiment, a combined suspension filler is provided, which is composed of a spherical shell 1, a limit support rod 2, a compartment filler groove 3, a denitrification carrier 4, a deodorization carrier 5 and a dephosphorization carrier 6, wherein the spherical shell 1 is made of ABS, the hollow-out aperture ratio is 70%, limit thread grooves are arranged at the upper end and the lower end, the spherical shell 1 is in a circular hollow-out structure, and comprises an upper hemispherical shell 101 and a lower hemispherical shell 102, and the upper hemispherical shell 101 is in clamping connection with the lower hemispherical shell 102; the limiting support rods 2 are arranged on the central shaft of the spherical shell 1, the limiting support rods 2 are cylinders with variable diameters at two ends, each limiting support rod comprises a middle column A201 and two side columns A202, the diameter of the middle column A201 is 6mm, the diameter of the two side columns A202 is 3mm, each cylinder is of a threaded structure, one ends of the limiting support rods 2 at two ends are respectively clamped with bottoms of the upper hemispherical shell 101 and the lower hemispherical shell 102, the other ends of the limiting support rods 2 penetrate through the compartment filling grooves 3 and are clamped with the middle limiting support rods 7, the middle limiting support rods 7 are cylinders with variable diameters at one ends, each middle limiting support rod comprises a side column B701 and a middle column B702, the diameter of the middle column B702 is 6mm, the diameter of the side column B701 is 3mm, and each cylinder is of a threaded structure; the compartment packing groove 3 divides the spherical shell 1 into six cavities in total, the compartment packing groove 3 comprises an upper tray edge 301, a cylindrical tray 302, a lower tray edge 303 and a through hole 304, the diameter of the through hole 304 is 8mm, the upper surface and the lower surface of the cylindrical tray 302 are in a grid shape, the edges of the upper tray edge 301 and the lower tray edge 303 are clamped with the spherical shell 1, the spherical shell 1 is sequentially filled with a denitrification carrier 4, a deodorization carrier 5 and a dephosphorization carrier 6 from the center to the two bottom ends by the compartment packing groove 3; the denitrification carrier 4 is in a solid thorn sphere shape, the filling rate is 35 percent, the denitrification carrier comprises an external thorn body A401 and an internal sphere 402, and the denitrification carrier 4 is formed by compounding chestnut thorn shell powder, walnut shell powder, high-low density polyethylene, a toughening agent and a surfactant; the deodorizing carrier 5 is in a hollow thorn sphere shape, the filling rate is 25%, the deodorizing carrier comprises an outer thorn body B501, a ball ring 502 and a central thorn body 503, the deodorizing carrier 5 is made of carbon fiber, and the three-layer structure is a thorn body woven porous structure; the dephosphorization carrier 6 is a porous sphere with the filling rate of 20 percent, and the surface is provided with a plurality of pore canals 601 which are made of light aerated concrete.

Embodiment two:

referring to fig. 1-9, in this embodiment, a combined suspension filler is provided, which is composed of a spherical shell 1, a limit support rod 2, a compartment filler groove 3, a denitrification carrier 4, a deodorization carrier 5 and a dephosphorization carrier 6, wherein the spherical shell 1 is made of ABS, the hollow-out aperture ratio is 75%, the upper and lower ends are provided with limit thread grooves, the spherical shell 1 is in a circular hollow-out structure, and comprises an upper hemispherical shell 101 and a lower hemispherical shell 102, and the upper hemispherical shell 101 is in clamping connection with the lower hemispherical shell 102; the limiting support rods 2 are arranged on the central shaft of the spherical shell 1, the limiting support rods 2 are cylinders with variable diameters at two ends, each limiting support rod comprises a middle column A201 and two side columns A202, the diameter of the middle column A201 is 8mm, the diameter of the two side columns A202 is 4mm, each cylinder is of a threaded structure, one ends of the limiting support rods 2 at two ends are respectively clamped with bottoms of the upper hemispherical shell 101 and the lower hemispherical shell 102, the other ends of the limiting support rods 2 penetrate through the compartment filling grooves 3 and are clamped with the middle limiting support rods 7, the middle limiting support rods 7 are cylinders with variable diameters at one ends, each middle limiting support rod comprises a side column B701 and a middle column B702, the diameter of the middle column B702 is 8mm, the diameter of the side column B701 is 4mm, and each cylinder is of a threaded structure; the compartment packing groove 3 divides the spherical shell 1 into six cavities, the compartment packing groove 3 comprises an upper tray edge 301, a cylindrical tray 302, a lower tray edge 303 and a through hole 304, the diameter of the through hole 304 is 9mm, the upper surface and the lower surface of the cylindrical tray 302 are in a grid shape, the edges of the upper tray edge 301 and the lower tray edge 303 are clamped with the spherical shell 1, the spherical shell 1 is sequentially filled with a denitrification carrier 4, a deodorization carrier 5 and a dephosphorization carrier 6 from the center to the two bottom ends by the compartment packing groove 3; the denitrification carrier 4 is in a solid thorn sphere shape, the filling rate is 40 percent, the denitrification carrier comprises an outer thorn body A401 and an inner sphere 402, and the denitrification carrier 4 is formed by compounding chestnut thorn shell powder, walnut shell powder, high-low density polyethylene, a toughening agent and a surfactant; the deodorizing carrier 5 is hollow thorn sphere, the filling rate is 30%, the deodorizing carrier comprises an outer thorn body B501, a ball ring 502 and a central thorn body 503, the deodorizing carrier 5 is made of carbon fiber, and the three-layer structure is a thorn body woven porous structure; the dephosphorization carrier 6 is a porous sphere with a filling rate of 25%, and the surface is provided with a plurality of pore channels 601 which are made of light aerated concrete.

Design principle: the combined suspension filler divides the spherical shell 1 into denitrification, deodorization and dephosphorization areas through the compartment filler grooves 3, adopts mixed processing of chestnut shell powder, walnut shell powder and the like to prepare a denitrification carrier 4, takes active carbon fiber as a deodorization carrier 5, and takes light aerated concrete as a dephosphorization carrier 6, thereby realizing the recycling of wastes and improving the treatment efficiency of the system; secondly, the upper spherical outer shell and the lower spherical outer shell made of ABS material are fixedly clamped, so that the inner filler structure is effectively protected, the service life of the filler is prolonged, and the sewage treatment efficiency is improved; in addition, the spherical carrier and the compartment filler groove 3 of the combined suspended filler in the denitrification, deodorization and dephosphorization areas in the spherical shell 1 have larger specific surface area and good hydrophilicity, and are easy for microorganisms to adhere to form a biomembrane.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A combined suspended filler, characterized by: the novel anti-static deodorizing device comprises a spherical shell (1), a limiting support rod (2), a compartment packing groove (3), a denitrification carrier (4), a deodorizing carrier (5) and a dephosphorizing carrier (6), wherein the spherical shell (1) is of a round hollow structure and comprises an upper hemispherical shell (101) and a lower hemispherical shell (102), and the upper hemispherical shell (101) is connected with the lower hemispherical shell (102) in a clamping manner; the utility model discloses a spherical shell, including spherical shell (1), spacing bracing piece (2), at both ends, spacing bracing piece (2) one end respectively with the end joint of last hemisphere casing (101) and lower hemisphere casing (102), the other end passes compartment packing groove (3) and middle spacing bracing piece (7) joint, compartment packing groove (3) are five in total with spherical shell (1) separate into six cavitys, fill denitrification carrier (4), deodorization carrier (5) and dephosphorization carrier (6) in proper order from the center to two bottoms with spherical shell (1).

2. A combined suspension filler according to claim 1, characterized in that: the spherical shell (1) is made of ABS, the hollowed-out aperture ratio is 65% -80%, and the upper end and the lower end are provided with limiting thread grooves.

3. A combined suspension filler according to claim 1, characterized in that: the limiting support rod (2) is a cylinder with variable diameters at two ends, and comprises a middle column A (201) and two side columns A (202), wherein the diameter of the middle column A (201) is 6-10mm, the diameter of the two side columns A (202) is 3-5mm, and the cylinder is of a threaded structure.

4. A combined suspension filler according to claim 1, characterized in that: the middle limit supporting rod (7) is a cylinder with one end being variable in diameter and comprises a side column B (701) and a middle column B (702), the diameter of the middle column B (702) is 6-10mm, the diameter of the side column B (701) is 3-5mm, and the cylinder is of a threaded structure.

5. A combined suspension filler according to claim 1, characterized in that: the compartment packing groove (3) comprises an upper tray edge (301), a cylindrical disc (302), a lower tray edge (303) and a through hole (304), wherein the diameter of the through hole (304) is 8-12mm, the upper surface and the lower surface of the cylindrical disc (302) are in a grid shape, and the edges of the upper tray edge (301) and the lower tray edge (303) are connected with the spherical shell (1) in a clamping mode.

6. A combined suspension filler according to claim 1, characterized in that: the denitrification carrier (4) is in a solid thorn sphere shape, has a filling rate of 30% -40% and comprises an outer thorn body A (401) and an inner sphere body (402).

7. A combined suspension filler according to claim 1, characterized in that: the deodorizing carrier (5) is hollow thorn sphere, the filling rate is 20% -30%, the deodorizing carrier comprises an outer thorn body B (501), a sphere ring (502) and a central thorn body (503), the deodorizing carrier (5) is made of carbon fiber, and the three-layer structure is a thorn body woven porous structure.

8. A combined suspension filler according to claim 1, characterized in that: the dephosphorization carrier (6) is a porous sphere, the filling rate is 15% -20%, and the surface is provided with a plurality of pore channels (601), and the material is light aerated concrete.