CN209602195U - A kind of floated compound bio carrier for sewage treatment - Google Patents

Abstract

The utility model provides a kind of floated compound bio carrier for sewage treatment, the plastic body including hollow shape cylinder, and the periphery of the plastic body is equipped with annular groove, is inlaid with Polyurethane carrier in the annular groove.Intersect the support plate for being equipped with the 2-4 support plastic body in the plastic body, the support plate will uniformly be divided into 4-8 cavity inside the plastic body.Specific surface area and roughness increase, and carrier biofilm is easy, and unit volume microbial biomass is high, and pollutant burden is big；Complex carrier is evenly distributed in biochemistry pool, is not easy to accumulate, boring aeration can be used, reduce capital cost；Using hollow structure, be conducive to water flow cutting and air bubble, increase mass exchange rate, improves oxygen utilization rate；The abrasion for alleviating Polyurethane carrier extends Polyurethane carrier service life；Carrier structure is simple, easily manufactured, is suitble to industrialized mass production.

Description

A kind of floated compound bio carrier for sewage treatment

Technical field

The utility model relates to field of biological sewage treatment, particularly relate to a kind of floated compound life for sewage treatment Object carrier.

Background technique

Currently, moving bed biofilm reactor (moving-bed-biofilm-reactor, abbreviation MBBR) is a kind of collection The combination process of both traditional activated sludge process and biological contact oxidation process advantage is closed, principle is by throwing into reactor Add a certain number of suspending carriers, biomass and biological species in reactor is improved, to improve the treatment effeciency of reactor. Since packing density is close to water, so, with water in the state that is thoroughly mixed, the environment of microorganism growth is when aeration Gas, liquid, solid three-phase.Suspending carrier is in reactor by the castering action of aeration and water flow in aeration tank and in fluidisation shape State, carrier collision in water and shear action keep air bubble more tiny, increase the utilization rate of oxygen.

The core of MBBR technique is active carrier of the floating stuffing as microorganism using specific gravity close to water, Mei Gezai Inside and outside all has different biological species, some anaerobic bacterias of growth inside or facultative aerobe, and outside is aerobic bacteria, load each in this way Body is all a microreactor, exists simultaneously nitration reaction and anti-nitration reaction, to improve treatment effect.

Chinese utility model authorization public number are as follows: 206940527 U of CN, title are as follows: a kind of Novel movable bed suspending carrier is filled out Material, a kind of Novel movable bed suspending carrier filler include endothecium structure body, media layer damage body and layer structure body, endothecium structure body It is cylindrical shape with layer structure body, the section of the two is concentric circles, and the periphery of layer structure body is provided with zigzag outer rim, in Laminar structure is several paddle-shaped blades for connecting endothecium structure body and layer structure body.All paddle-shaped blades are in internal layer knot It is uniformly distributed between structure body and layer structure body, radial, paddle-shaped blade is twisted into curved surface along radiation direction.

Chinese invention authorization public number are as follows: 104773816 B of CN, title are as follows: a kind of filling for sewage treatment and its preparation side Method, a kind of filler of filling for sewage treatment and preparation method thereof are spherical shape, solid sphere, solid sphere outer layer including center The suede area of spaced sheet sector expansion area and each surface；Preparation method includes the manufacture of spherical substrate, expansion area covering of the fan Formation, fibrillation.

Chinese utility model authorization public number are as follows: CN 201473382U, title are as follows: for the outstanding of biological wastewater treatment device Pelagic organism filler, a kind of suspended biological filler for biological effluent treatment include hollow plastic ball, massive polyurethane carrier, modeling Expect separation frame, mass, hollow plastic ball interior diameter direction is equipped with plastic separator frame, and the two sides of plastic separator frame are respectively equipped with block Shape Polyurethane carrier, massive polyurethane carrier are equipped with the through-hole vertical with plastic separator frame, the through-hole of massive polyurethane carrier Mass is equipped between lower section and hollow plastic ball inner wall.

Chinese utility model authorization public number are as follows: 202576069 U of CN, title are as follows: combined porous microbial carrier, one The combined porous microbial carrier of kind is or the pros bodily form spherical, cylindrical with plastic tab besieged city by the outer layer of porous carrier Shape forms a kind of knockdown carrier, increases specific surface area；The porous media of carrier inside filling.

For published technology contents in above-mentioned patent, practical application discovery, the carrier of homogenous material biofilm speed, Shortcomings in terms of biofilm amount and the tightness of film and carrier.For example, polyolefins and polyvinyl chloride carrier specific surface area are small, hang Film effect is poor；Polyurethane carrier large specific surface area, but it is small to air bubble dissection, and longtime running easily accumulates agglomerating, influence Treatment effect.Although some complex carriers alleviate Polyurethane carrier to a certain extent accumulates agglomerating disadvantage, these Not only structure is complicated for carrier, processing and manufacturing difficulty is big, but also not can avoid ball Polyurethane carrier clustering phenomena still.

Utility model content

The purpose of this utility model is to provide a kind of floated compound bio carriers for sewage treatment, for solving Structure is complicated in the prior art, manufacture difficulty is big, specific surface area is small, biofilm speed is slow, be unevenly distributed, be not easy to accumulate it is agglomerating and Do not have the problem of air bubble dissection.

To achieve the above object, the utility model the following technical schemes are provided:

A kind of floated compound bio carrier for sewage treatment, including hollow cylindrical plastic body, the plastics The periphery of ontology is equipped with annular groove, is inlaid with Polyurethane carrier in the annular groove.

Wherein, the support plate for being equipped with the 2-4 support plastic body is intersected in the plastic body, the support plate will Uniformly it is divided into 4-8 cavity inside the plastic body.

Wherein, the intersection between the support plate is overlapped with the axis of the plastic body.

Wherein, the corresponding plastic body of each cavity is equipped with circular hole.

Wherein, the surface of the support plate has coarse structure.

Wherein, the coarse structure is frosted structure.

Wherein, the surface of the support plate has minute protrusions or recess.

Wherein, the Polyurethane carrier is the elastic polyurethane carrier with neural network structure.

Wherein, the height of the Polyurethane carrier is consistent with the height of the plastic body.

Wherein, the inner surface of the Polyurethane carrier is bonded with the plastic body.

The above-mentioned technical proposal of the utility model has the beneficial effect that:

In above scheme, the floated compound bio carrier for sewage treatment of the utility model increases ratio significantly Surface area and roughness, carrier biofilm are easy, and unit volume microbial biomass is high, and pollutant burden is big；The utility model it is compound Carrier is evenly distributed in biochemistry pool, is not easy to accumulate, boring aeration can be used, reduce capital cost；The utility model is answered It closes carrier and uses hollow structure, be conducive to water flow cutting and air bubble, increase mass exchange rate, improve oxygen utilization rate； The plastic body of the utility model has the protective effect of annular groove, alleviates the abrasion of Polyurethane carrier, extends poly- Urethane carrier service life；The carrier structure of the utility model is simple, easily manufactured, is suitble to industrialized mass production.

Detailed description of the invention

Fig. 1 is the solid of the Polyurethane carrier of the floated compound bio carrier for sewage treatment of the utility model Figure；

Fig. 2 is the main view of the Polyurethane carrier of the floated compound bio carrier for sewage treatment of the utility model Figure；

Fig. 3 is the left section view of the Polyurethane carrier of the floated compound bio carrier for sewage treatment of the utility model Figure；

Fig. 4 is the perspective view of the plastic body of the floated compound bio carrier for sewage treatment of the utility model；

Fig. 5 is the main view of the plastic body of the floated compound bio carrier for sewage treatment of the utility model；

Fig. 6 is the left section view of the plastic body of the floated compound bio carrier for sewage treatment of the utility model Figure.

Fig. 7 is the main view of the floated compound bio carrier for sewage treatment of the utility model；

Fig. 8 is the left cross-sectional view of the floated compound bio carrier for sewage treatment of the utility model；

Fig. 9 is the main sectional view of the floated compound bio carrier for sewage treatment of the utility model.

Appended drawing reference:

1, plastic body；12, circular hole；13, annular groove；14, support plate；15, cavity；2, Polyurethane carrier.

Specific embodiment

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing And specific embodiment is described in detail.

Structure is complicated in the prior art, manufacture difficulty is big, specific surface area is small, biofilm speed for existing for the utility model Slowly, it is unevenly distributed, is not easy to accumulate agglomerating and do not have the problem of air bubble dissection, provides a kind of for sewage treatment Floated compound bio carrier.

As shown in figs 1-9, the utility model embodiment provides a kind of floated compound bio for sewage treatment The periphery of carrier, the plastic body 1 including hollow cylindrical, the plastic body 1 is equipped with annular groove 13, the annular groove Polyurethane carrier 2 is inlaid in 13.

The internal diameter R1 of the plastic body 1 of the floated compound bio carrier for sewage treatment of the utility model be 8~ 15mm, the outer diameter R2 of plastic body 1 are 10~25mm, the plastic body 1 with a thickness of 0.1~2mm, the plastic body 1 Height be 8-50mm, the radius of the Polyurethane carrier 22 is 10-25mm.Due to the protection of the annular groove 13 of plastic body 1 Effect, alleviates the abrasion of Polyurethane carrier 2, extends 2 service life of Polyurethane carrier；Carrier structure is simple, easily manufactured, It is suitble to industrialized mass production.

Wherein, intersect the support plate 14 for being equipped with the 2-4 support plastic body 1, the branch in the plastic body 1 1 inside of plastic body is uniformly divided into 4-8 cavity 15 by fagging 14.Intersection and the plastics between the support plate 14 The axis of ontology 1 is overlapped.The corresponding plastic body 1 of each cavity 15 is equipped with circular hole 12.

The diameter of the circular hole 12 of the floated compound bio carrier for sewage treatment of the utility model be 5~ 10mm.This complex carrier is evenly distributed in biochemistry pool, is not easy to accumulate, boring aeration can be used, reduce capital cost；This is multiple It closes carrier and uses hollow structure, be conducive to water flow cutting and air bubble, increase mass exchange rate, improve oxygen utilization rate；

Wherein, the surface of the support plate 14 has coarse structure.The coarse structure is frosted structure.The support plate 14 surface has minute protrusions or recess.

The specific surface area and roughness of the floated compound bio carrier for sewage treatment of the utility model, carrier are hung Film is easy, and unit volume microbial biomass is high, and pollutant burden is big；

Wherein, the Polyurethane carrier 2 is the elastic polyurethane carrier with neural network structure.The Polyurethane carrier 2 height is consistent with the height of the plastic body 1.The inner surface of the Polyurethane carrier 2 is bonded with the plastic body 1.

The outer diameter of the Polyurethane carrier 2 of the floated compound bio carrier for sewage treatment of the utility model Less than or equal to the outer diameter of plastic body 1.In its natural state, 2 height of Polyurethane carrier is consistent with 1 height of plastic body.Though Right 13 height of annular groove is slightly less than 2 height of Polyurethane carrier, because polyurethane has good elasticity, the Polyurethane carrier 2 Specific gravity is 1.02-1.05, and the Polyurethane carrier 2 can be easy to inlay in annular groove 13.

Wherein, the plastic body 1 uses the plastic body 1 of high-molecular organic material.Generally using polyolefins (as gathered Ethylene, polypropylene) and its modified material, specific gravity is 0.94~0.98.

In above scheme, the floated compound bio carrier for sewage treatment of the utility model increases ratio significantly Surface area and roughness, carrier biofilm are easy, and unit volume microbial biomass is high, and pollutant burden is big；The utility model it is compound Carrier is evenly distributed in biochemistry pool, is not easy to accumulate, boring aeration can be used, reduce capital cost；The utility model is answered It closes carrier and uses hollow structure, be conducive to water flow cutting and air bubble, increase mass exchange rate, improve oxygen utilization rate； The plastic body 1 of the utility model has the protective effect of annular groove 13, alleviates the abrasion of Polyurethane carrier 2, extends Polyurethane carrier 2 service life；The carrier structure of the utility model is simple, easily manufactured, is suitble to industrialized mass production.

All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.

In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", " one end " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set Have ", " connection " shall be understood in a broad sense.It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can It, can also be indirectly connected through an intermediary to be to be connected directly.Being fixedly connected can be to weld, be threadedly coupled and step up etc. often See technical solution.For the ordinary skill in the art, above-mentioned term can be understood in the utility model with concrete condition In concrete meaning.

The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement It also should be regarded as the protection scope of the utility model with retouching.

Claims (10)

1. a kind of floated compound bio carrier for sewage treatment, which is characterized in that the plastics sheet including hollow cylindrical The periphery of plastic body described in body is equipped with annular groove, is inlaid with Polyurethane carrier in the annular groove.

2. being used for the floated compound bio carrier of sewage treatment as described in claim 1, which is characterized in that the plastics sheet Intersect the support plate for being equipped with the 2-4 support plastic body in vivo, the support plate is by uniformly distributed point inside the plastic body For 4-8 cavity.

3. being used for the floated compound bio carrier of sewage treatment as claimed in claim 2, which is characterized in that the support plate Between intersection be overlapped with the axis of the plastic body.

4. being used for the floated compound bio carrier of sewage treatment as claimed in claim 2, which is characterized in that each sky The corresponding plastic body of chamber is equipped with circular hole.

5. being used for the floated compound bio carrier of sewage treatment as claimed in claim 2, which is characterized in that the support plate Surface have coarse structure.

6. being used for the floated compound bio carrier of sewage treatment as claimed in claim 5, which is characterized in that the coarse knot Structure is frosted structure.

7. being used for the floated compound bio carrier of sewage treatment as claimed in claim 6, which is characterized in that the support plate Surface have minute protrusions or recess.

8. the floated compound bio carrier for sewage treatment as described in any one of claim 1-7, feature exist In the Polyurethane carrier is the elastic polyurethane carrier with neural network structure.

9. the floated compound bio carrier for sewage treatment as described in any one of claim 1-7, feature exist In the height of the Polyurethane carrier is consistent with the height of the plastic body.

10. the floated compound bio carrier for sewage treatment as described in any one of claim 1-7, feature exist In the inner surface of the Polyurethane carrier is bonded with the plastic body.