CN202594845U - Biological membrane carrier - Google Patents

Biological membrane carrier Download PDF

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Publication number
CN202594845U
CN202594845U CN2012201596403U CN201220159640U CN202594845U CN 202594845 U CN202594845 U CN 202594845U CN 2012201596403 U CN2012201596403 U CN 2012201596403U CN 201220159640 U CN201220159640 U CN 201220159640U CN 202594845 U CN202594845 U CN 202594845U
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CN
China
Prior art keywords
fin
biofilm carrier
biological membrane
carrier
membrane carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2012201596403U
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Chinese (zh)
Inventor
桑军强
高峰
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Application filed by Sinopec Research Institute of Petroleum Processing, China Petroleum and Chemical Corp filed Critical Sinopec Research Institute of Petroleum Processing
Priority to CN2012201596403U priority Critical patent/CN202594845U/en
Application granted granted Critical
Publication of CN202594845U publication Critical patent/CN202594845U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The utility model discloses a biological membrane carrier which comprises fixing rings (1) and a plurality of fins, wherein an outline of each fin comprises an arc portion with the radius of R and a connection portion, the arc portions of the fins are arranged on an external-connection spherical surface with the radius of R and are equal in arc length, the fins are arranged surrounding a central shaft of the biological membrane carrier, and two ends of the fins are respectively connected together through the fixing rings. By means of the technical scheme, the biological membrane carrier comprises a plurality of hollow disc surfaces which are intersected and the fixing rings for connecting the hollow disc surfaces. By means of the structure, the biological membrane carrier has ideal void ratio, ventilating performance and water permeating performance, specific surface area of the biological membrane carrier is increased, microorganism loading amount on each unit of carrier is improved, volume load of a biological reaction tank is improved, and different adhering space can be supplied to microorganisms of different populations, different biochemical reaction function areas are formed, and adaptive capacity of the biological membrane carrier on water impacting is improved.

Description

A kind of biofilm carrier
Technical field
The utility model relates to a kind of biofilm carrier, particularly, relates to a kind of biofilm carrier that is used for wastewater treatment.
Background technology
Biological contact oxidation process is a kind of biological effluent treatment that derives from from biomembrance process; It is the biologic treating technique between activated sludge process and biological filter; The i.e. biofilm carrier of filling some amount in biological contact oxidation pond utilizes the microbial film be grown on the carrier and the oxygen of ample supply, through biological oxidation; With the pollutants in waste water oxygenolysis, reach the purification of waste water purpose.Biological contact oxidation process has the advantage of activated sludge process and biomembrance process concurrently; Energy-efficient, characteristics such as floor space is little, anti impulsion load, operational management convenience that this technology has; Since occurring, obtain more and more investigators' attention, be widely used in the Sewage treatment systems of all trades and professions at present.
The place that biofilm carrier is rely and perched as mikrobe is the core of biological contact oxidation process, and its performance quality is directly determining the treatment effect and the returns of investment of technology.Usually; The suspending carrier density that biological contact oxidation process uses approaches water, directly place during use and biological contact oxidation pond in, mikrobe grows at carrier surface; Form the complicated microbial film of one deck; Carrier is fixing when aeration perhaps suspends in water, and film, liquid, gas three-phase is fully contacted, thereby make pollution substance degrade fast.
The biofilm carrier shape of biological contact oxidation process is generally ring-type or three-dimensional sphere etc., regular shape, and voidage is big, and specific surface area does not wait to several thousand from hundreds of.Carrier adopts plastics such as polyolefins (like Vilaterm, Vestolen PP 7052) and material modified, SE thereof and material modified, polyurethane foam thereof to process more.At present, bio-carrier mainly contains fixed carrier, suspension type carrier (soft, medium-soft property, built-up type carrier), suspending carrier and new bio carrier etc.But in practical application, these carriers exist not enough aspect the tightness of hanging film speed, extension film amount and film and carrier.
The utility model content
The purpose of the utility model provides a kind of biofilm carrier,, this this biofilm carrier has bigger specific surface area and good carrier surface forming biofilm property.
To achieve these goals; The utility model provides a kind of biofilm carrier, and wherein, this biofilm carrier comprises set collar and a plurality of fin; The profile of this fin comprises that radius is the arc sections of R and is connected the connection section between this arc sections two-end-point; The arc sections of each said fin all is positioned on the external sphere that radius is R and arc length equates, said fin is around the hub setting of said biofilm carrier, and the two ends of each said fin link together through said set collar respectively.
Preferably, said connection section is a straight line or towards the crooked curve of said arc sections.
Preferably, said fin comprises big fin and little fin, and the surface-area of said big fin is greater than the surface-area of said little fin.
Preferably, said big fin and little fin are crisscross arranged regularly.
Preferably, be on the xsect of R at the radius of said external spheroid, the distance between the connection section of said big fin and the centre of sphere of said external spheroid is R 1, the distance between the connection section of said little fin and the centre of sphere of said external spheroid is R 2
Preferably, the mid point of the arc sections of each said fin links together through said set collar.
Preferably, said fin is corrugated surface and/or surface with projection.
Preferably, the thickness of said fin is 0.05mm-5mm.
Preferably, R 1/ R is 0.1-0.5.
Preferably, R 2/ R is 0.3-0.9.
Preferably, said fin is 8-30.
Preferably, the proportion of said biofilm carrier is 0.9-0.99.
Through technique scheme, the biofilm carrier of the utility model comprises a plurality of crossing hollow cards and the set collar that is connected the hollow card.Pass through said structure; Make this biofilm carrier have ideal voidage, venting capability and mistake water-based ability, and increased the specific surface area of this biofilm carrier, strengthened the load of microorganisms amount of unit volume carrier; Improved the volumetric loading of biological reaction tank; The different spaces of adhering to can also be provided for the mikrobe of different population, form different biochemical reaction functional zone, improve the adaptive faculty of biofilm carrier water slug.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification sheets, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the side-view of the biofilm carrier of the utility model;
Fig. 2 is the vertical view of the biofilm carrier of the utility model;
Fig. 3 is the sectional view of the biofilm carrier of the utility model.
Description of reference numerals
1 set collar, 21 big fins
22 little hollow cards
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model; Do not doing under the situation of opposite explanation; The noun of locality that uses is normally indicated the direction shown in the Figure of description like " upper and lower, left and right "; It is inside and outside that " inside and outside " typically refers to the spatial that the cylindrical surface of the biofilm carrier of the utility model encloses, and " top, bottom " refers to upper and lower shown in the Figure of description.
The present invention provides a kind of biofilm carrier; Wherein, This biofilm carrier comprises set collar 1 and a plurality of fins, and the profile of this fin comprises that radius is the arc sections of R and is connected the connection section between this arc sections two-end-point, and the arc sections of each said fin all is positioned on the external sphere that radius is R and arc length equates; Said fin is around the hub setting of said biofilm carrier, and the two ends of each said fin link together through said set collar 1 respectively.
Wherein, This biofilm carrier is the shape of a spheroid basically from monnolithic case; The profile of fin comprises arc sections, and the radius of all arc sections is R and all is positioned on the external sphere that radius is R, can know that therefore each fin is all on the cross section through the centre of sphere of the external sphere of biofilm carrier; And it is, as shown in the figure around the hub setting of this biofilm carrier (just external sphere).The two ends of each said fin link together through set collar 1 respectively, make all fins be connected to from beginning to end like this and constitute biofilm carrier of the present invention together.
Need to prove; The present invention does not limit the profile of fin, and the profile of this fin comprises arc sections and connection section, and the radius of this arc sections is R; And this connection section is not limited; This connection section is connected between the two-end-point of arc sections, can connect for straight line, also can be the curve of bending or broken line etc.In addition, the shape of set collar 1 is not limited yet, but this set collar 1 should be circular basically.
Through technique scheme, the biofilm carrier of the utility model comprises a plurality of crossing hollow cards and the set collar that is connected the hollow card.Pass through said structure; Make this biofilm carrier have ideal voidage, venting capability and mistake water-based ability, and increased the specific surface area of this biofilm carrier, strengthened the load of microorganisms amount of unit volume carrier; Improved the volumetric loading of biological reaction tank; The different spaces of adhering to can also be provided for the mikrobe of different population, form different biochemical reaction functional zone, improve the adaptive faculty of biofilm carrier water slug.
Preferably, said connection section is a straight line or towards the crooked curve of said arc sections.
In this preferred implementation, connection section can be straight line, promptly with the corresponding string of arc sections, also can that is to say when the two ends of fin are connected with set collar 1 that like this two ends of arc sections need be connected with set collar 1 for towards the crooked curve of arc sections.And when connection section when arc sections is crooked; Has a space between the connection section of this fin and the hub of biofilm carrier; A plurality of fins have just formed a hollow space in the inside of biofilm carrier, so more help fluid this biofilm carrier of flowing through.
Preferably, said fin comprises big fin 21 and winglet sheet 22, and the surface-area of said big fin 21 is greater than the surface-area of said winglet sheet 22.
In this preferred implementation, fin comprises bigger big fin of area 21 and the less winglet sheet 22 of area, and the area of big fin 21 is greater than the area of winglet sheet 22.Because the arc sections of big fin 21 and winglet sheet 22 all is identical; So its difference only is the shape of connection section; The connection section of for example big fin 21 can adopt the straight line at the two ends that connect arc sections; And the connection section of winglet sheet 22 can adopt towards the crooked curve of arc sections, and the area of so big fin 21 is just greater than the area of winglet sheet 22.
Preferably, said big fin 21 is crisscross arranged with winglet sheet 22 regularly.
The big fin 21 that connects in this way distributes in whole biofilm carrier with winglet sheet 22 equably, thereby makes fluid can flow through this biofilm carrier equably.
Preferably, be on the xsect of R at the radius of said external spheroid, the distance between the connection section of said big fin 21 and the centre of sphere of said external spheroid is R 1, the distance between the connection section of said winglet sheet 22 and the centre of sphere of said external spheroid is R 2
In preferred implementation of the present invention as shown in the figure, the connection section of big fin 21 adopts the collinear form that connects the arc sections two ends, and the connection section of winglet sheet 22 adopts the form towards the crooked curve of arc sections.Big fin 21 is circle and lacks shape, and winglet sheet 22 is crescent shape, and therefore, big fin 21 and winglet sheet 22 are all unequal perpendicular to the line segment length on each cross section of the hub of biofilm carrier.At radius is on the xsect of R, and the distance between the connection section of said big fin 21 and the centre of sphere of said external spheroid is R 1, the distance between the connection section of said winglet sheet 22 and the centre of sphere of said external spheroid is R 2
Preferably, the mid point of the arc sections of each said fin links together through said shack 1.
For the structural strength of the biofilm carrier of strengthening the utility model, except being provided with the set collar in top and/or at along said hub, also the mid point in arc sections is provided with shack 1.
Preferably, said fin is corrugated surface and/or surface with projection.
Said fin in the utility model can be corrugated surface and/or the surface for having projection.Separate fin in addition and also can be corrugated surface and/or surface for having projection.And corrugated surface also can adopt various ways, for example zig-zag, circular arc or other undulatory surfaces etc.In addition, each fin can have the different surface characteristic.
Such format surface can suitably increase the specific surface area of biofilm carrier as required.And also can play good shock absorption, thereby make the microbial film on biofilm carrier surface be difficult for running off for impact force of water flow.
Preferably, the thickness of said fin is 0.05mm-5mm.Preferably, R 1/ R is 0.1-0.5.Preferably, R 2/ R is 0.3-0.9.Preferably, said fin is 8-30.
More than the given an example dimensional parameters of preferred implementation of biofilm carrier of the utility model is preferably selected the manufacturing dimension of biofilm carrier in above-mentioned scope, can obtain wastewater treatment efficiency preferably.But the utility model is not limited to this, can make according to actual needs.
Preferably, the proportion of said biofilm carrier is 0.9-0.99.Because the biofilm carrier of the utility model need be suspended in the water usually, the material of therefore selecting proportion to be slightly less than water is made, thereby makes this biofilm carrier to be suspended in the sewage preferably.Usually, the biofilm carrier of the utility model is selected organic polymer material, generally adopts materials such as Vilaterm or Vestolen PP 7052.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.

Claims (12)

1. biofilm carrier; It is characterized in that; This biofilm carrier comprises set collar (1) and a plurality of fin, and the profile of this fin comprises that radius is the arc sections of R and is connected the connection section between this arc sections two-end-point, and the arc sections of each said fin all is positioned on the external sphere that radius is R and arc length equates; Said fin is around the hub setting of said biofilm carrier, and the two ends of each said fin link together through said set collar (1) respectively.
2. biofilm carrier according to claim 1 is characterized in that, said connection section is a straight line or towards the crooked curve of said arc sections.
3. biofilm carrier according to claim 2 is characterized in that, said fin comprises big fin (21) and little fin (22), and the surface-area of said big fin (21) is greater than the surface-area of said little fin (22).
4. biofilm carrier according to claim 3 is characterized in that, said big fin (21) and little fin (32) are crisscross arranged regularly.
5. according to claim 3 or 4 described biofilm carriers, it is characterized in that, is on the xsect of R at the radius of said external spheroid, and the distance between the connection section of said big fin (21) and the centre of sphere of said external spheroid is R 1, the distance between the connection section of said little fin (22) and the centre of sphere of said external spheroid is R 2
6. biofilm carrier according to claim 1 is characterized in that, the mid point of the arc sections of each said fin links together through said set collar (1).
7. biofilm carrier according to claim 1 is characterized in that, said fin is corrugated surface and/or surface with projection.
8. biofilm carrier according to claim 1 is characterized in that, the thickness of said fin is 0.05mm-5mm.
9. biofilm carrier according to claim 5 is characterized in that R 1/ R is 0.1-0.5.
10. biofilm carrier according to claim 5 is characterized in that R 2/ R is 0.3-0.9.
11. biofilm carrier according to claim 1 is characterized in that, said fin is 8-30.
12. biofilm carrier according to claim 1 is characterized in that, the proportion of said biofilm carrier is 0.9-0.99.
CN2012201596403U 2012-04-13 2012-04-13 Biological membrane carrier Expired - Lifetime CN202594845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201596403U CN202594845U (en) 2012-04-13 2012-04-13 Biological membrane carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201596403U CN202594845U (en) 2012-04-13 2012-04-13 Biological membrane carrier

Publications (1)

Publication Number Publication Date
CN202594845U true CN202594845U (en) 2012-12-12

Family

ID=47312403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201596403U Expired - Lifetime CN202594845U (en) 2012-04-13 2012-04-13 Biological membrane carrier

Country Status (1)

Country Link
CN (1) CN202594845U (en)

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Granted publication date: 20121212