CN109160597A - A kind of biological carrier filler for sewage treatment - Google Patents
A kind of biological carrier filler for sewage treatment Download PDFInfo
- Publication number
- CN109160597A CN109160597A CN201811278454.XA CN201811278454A CN109160597A CN 109160597 A CN109160597 A CN 109160597A CN 201811278454 A CN201811278454 A CN 201811278454A CN 109160597 A CN109160597 A CN 109160597A
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- CN
- China
- Prior art keywords
- ontology
- filler
- sewage treatment
- biological carrier
- carrier
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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 present invention relates to technical field of sewage, and in particular to a kind of biological carrier filler for sewage treatment, including ontology, the ontology are in horse-saddle, and the ontology two sides are respectively the back and sunny side, and a plurality of convex ridge is evenly distributed on the back.The biology carrier filler limits the biofilm development thickness of active microorganism layer by the convex ridge structure on ontology, and biomembrane is avoided to grow without limitation；The ontology of horse-saddle is used simultaneously, and fluidity to greatly promote, the back and sunny side can be laminated mutually, abutting each other after stacking prevents loosely, good compared to traditional square or cylindrical body biology carrier, stability, biological carrier abrasion loss is reduced, the performance of wastewater treatment is improved.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of biological carrier filler for sewage treatment.
Background technique
Filler is widely used in technical field of sewage, the load in the place, biomembrane inhabited mainly as microorganism
Body, the effect in sewage treatment are particularly significant.Microorganism can form biomembrane in the surface aggregation of filler, with biomembrane
Metabolism, can make to purify the sewage, therefore the performance of filler has direct influence to the effect of sewage treatment.Its
In, the specific surface area of filler is related to the size of microorganism habitat, and then influences the quality of the water-purifying function of filler.
In the biochemical treatment link of sewage, denitrification flora is generally grown in filler inner surface and aerobic bacteria layer lower part, leads to
It crosses aerobic process and provides carbon source to maintain denitrification denitrogenation effect.Such as filler or even most of water treatment carriers all have one
Problem, i.e. these carriers actually allow the thickness of filler Internal biological active microorganism layer to increase without limitation, and this will lead to life
Anaerobic organism and aerobe ratio in object film are excessive and cause carbon source insufficient, and denitrification denitrogenation ability is caused to decline.And
Major part filler fluidity difference at present, phase mutual friction causes to be lost larger between filler, and sewage treating efficiency is low, aerobic flora
It cannot favorably grow in such circumstances, nitrification ability is caused to weaken, and cause the carbon source of denitrification process insufficient, cause
The vicious circle that COD degradation ability is not good enough.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of biological carrier filler for sewage treatment, has structure can
It leans on, reduces and mutually collided between filler, be that stable environment is built in the growth of aerobic flora.
To achieve the above object, the embodiment of the invention provides a kind of biological carrier fillers for sewage treatment, including
Ontology, the ontology are in horse-saddle, and the ontology two sides are respectively the back and sunny side, are evenly distributed on the back more
Convex ridge.
As an improvement of the above technical solution, recessed ridge, the convex ridge and recessed ridge uniform intervals are provided between adjacent lands
Distribution.
As an improvement of the above technical solution, multiple arcs protrusion is evenly arranged on the sunny side.
As an improvement of the above technical solution, which includes multiple ontologies being layered on top of each other, multiple ontologies
Between be fixedly connected with support rod, there is gap between adjacent bodies.
As an improvement of the above technical solution, multiple through-holes through the back and sunny side are uniformly provided on the ontology.
As an improvement of the above technical solution, the through hole section is circle, triangle, rectangular, diamond shape or regular hexagon.
As an improvement of the above technical solution, the ontology is made of hydrophilic biologic packing material or slow release carbon source filler.
As an improvement of the above technical solution, each component is mixed according to following parts by weight in the hydrophilic biologic packing material
It forms:
As an improvement of the above technical solution, in the slow release carbon source filler each component mixed according to following parts by weight and
At:
As an improvement of the above technical solution, which includes at least three ontologies being layered on top of each other, wherein
Ontology positioned at two sides is using hydrophilic carrier made of hydrophilic biologic packing material, between the hydrophilic carrier of two sides
Ontology is using slow release carbon source carrier made of slow release carbon source filler.
Above-mentioned biology carrier filler has the advantage that
(1) by the convex ridge structure on ontology, the biofilm development thickness of active microorganism layer is limited, avoids giving birth to
Object film is grown without limitation；
(2) ontology of horse-saddle, fluidity to greatly promote, the back and sunny side can be laminated mutually, abut each other after stacking
It prevents loosely, compared to traditional square or cylindrical body biology carrier, stability is good, reduces biological carrier abrasion loss, improves useless
The performance of water process；
(3) body layer poststack have gap, will not Close stack together, be conducive to liquid and gas and filled out in biological carrier
Flowing in material, is effectively improved obstruction or short flow phenomenon, increases microorganism touch opportunity in pollutant and carrier, improves treatability
Can, crushing is reduced, production cost is reduced；
(4) biological material of the internal layer outer layer of the biological carrier filler of body layer poststack is different, and layer structure is hydrophilic
Biologic packing material is made, and can assist improving efficiency of nitrification, endothecium structure is made of slow release carbon source filler, inside biological material
Degradation total nitrogen ability is improved, ectonexine coordinated improves sewage treating efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the biological carrier filler for sewage treatment in the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram in the embodiment of the present invention one after five layers of this bluk recombination.
Fig. 3 is a kind of structural schematic diagram of the biological carrier filler for sewage treatment in the embodiment of the present invention two.
Fig. 4 is the structural schematic diagram in the embodiment of the present invention two after three layers of this bluk recombination.
Fig. 5 is the structural schematic diagram in the embodiment of the present invention two after six layers of this bluk recombination.
Fig. 6 is a kind of structural schematic diagram of the biological carrier filler for sewage treatment in the embodiment of the present invention three.
In figure: 10- ontology, 10a- hydrophilic carrier, 10b- slow release carbon source carrier, the 11- back, 12- sunny side, 13- are logical
Hole, 14- side wall, 20- support rod, the gap 21-, 111- convex ridge, the recessed ridge of 112-, 121- arc protrusion.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific embodiment, those skilled in the art can be by this specification institute
The content of exposure is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile in this specification cited such as "inner", "outside", "upper", "lower" term, be merely convenient to the bright of narration
, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology contents without essence
Under, when being also considered as the enforceable scope of the present invention.
In the description of following embodiments unless specifically defined or limited otherwise, the terms such as term " setting ", " connection "
It shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or is integral；It can be machinery
Connection, can also can be the connection inside two elements or the interaction of two elements indirectly connected through an intermediary
Relationship, unless otherwise restricted clearly.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Embodiment one
As shown in Figure 1, a kind of biological carrier filler for sewage treatment, including ontology 10 are present embodiments provided, this
Body 10 is in horse-saddle, and 10 two sides of ontology are respectively the back 11 and sunny side 12, and a plurality of convex ridge is evenly distributed on the back 11
111.Ontology 10 is designed using horse-saddle, this structure and square common at present, cuboid, cylindrical body class biology carrier
Filler is different, and a certain 10 two sides back 11 of ontology or sunny side 12 can be pasted with the sunny side 12 or the back 11 of other ontologies 10
It closes, using horse-saddle, is mutually clamped two ontologies 10 after fitting, improve after multiple biological carrier fillers are launched mutually
Between the order that stacks, reduce the loss that the friction between biological carrier filler generated.And one side of design of convex ridge 111
Face can increase the surface area of the back 11, can also be carried out by the height of convex ridge 111 to the growth thickness of active microorganism layer
Limitation.
Since when carrying out biofilm development by biological carrier filler, the mechanism that falls off of biomembrane is complex, biology
The reason of film falls off mainly includes collision, stromal surface rate of load condensate, the nutriment supply, mass transfer effect that the abrasion between filler generates
Rate etc., and due to ontology 10 of the invention can be relatively firm after stacking combination, the reason of biofilm detachment is main
For 111 structure of convex ridge that stromal surface has, which makes the biomembrane grown in the back 11 be in similar with 111 profile of convex ridge
Structure, the biomembrane of this profile is when growing into certain thickness, and due to self gravity, the side contacted with convex ridge 111 is biological
Film can gradually disengage ontology 10, so that the biomembrane on 11 surface of the back be avoided to grow without limitation.
Ontology 10 is similar to the saddle camber in space geometry in horse-saddle, and saddle camber is a kind of curved surface, is called hyperbolic throwing
Object plane, shape are similar to saddle.The parabola of an opening upwards is first constructed in construction process on the face XZ of coordinate system, then
The parabola that Open Side Down is constructed on the face YZ (two parabolical tops are overlapped on one point)；Then is allowed
One parabola slides on another parabola, can form saddle camber.
Recessed ridge 112 is provided between adjacent lands 111, convex ridge 111 is evenly spaced on recessed ridge 112.The work of recessed ridge 112
With being the growth for protecting biomembrane, recessed 112 region of ridge biomembrane because there is the protection of convex ridge 111, growing environment
Be it is metastable, the depth (relative to convex ridge 111) of recessed ridge 112 is suitable with the growth thickness of actual biomembrane.And it is raw
Downward, the bubble that the structure of recessed ridge 112 can generate aerator shuts off the back 11 when object carrier filler is launched, and can have
Effect contact intercepts bubble, is conducive to aerobic microbiological flora growth.
Further, multiple arcs protrusion 121 is evenly arranged on sunny side 12, the effect of arc protrusion 121 mainly increases
Add the surface area of sunny side 12, and arcuate structure can also play certain anti-collision effect.
As shown in Fig. 2, the biology carrier filler includes multiple ontologies 10 being layered on top of each other, fixed company between multiple ontologies 10
It is connected to support rod 20, there is gap 21 between adjacent bodies 10, the biological carrier filler energy that multiple ontologies 10 after stacking form
It is enough to protect the ontology 10 of internal layer, reduce the surface collision region of biological carrier filler, is that the growth of biomembrane is built
Stable environment, while horse-saddle belongs to airflow design, improve fluidization treatment effect.Have between adjacent bodies 10
Gap 21, each layer ontology 10 will not Close stack together, be conducive to liquid and gas flowing, be effectively improved in traditional filler
Portion's obstruction or short flow phenomenon, can increase microorganism touch opportunity in pollutant and carrier, improve process performance.
Embodiment two
As shown in figure 3, figure 4 and figure 5, on the basis of example 1, in order to improve biological carrier filler internal liquid and gas
The mobility of body flowing, can be uniformly provided with multiple through-holes 13 through the back 11 and sunny side 12, when multiple on ontology 10
The design of through-hole 13 is particularly important after ontology 10 is laminated, and gas and liquid can pass through inside through-hole 13 and biological carrier filler
Biofilm contact guarantees biomembrane normal growth.13 section of through-hole can be regular shape or abnormity common in the art
Shape, for example can be regular circle, triangle, rectangular, diamond shape or regular hexagon.
The number of plies of ontology 10 be 1~6 layer, ontology 10 with a thickness of D, the geometric dimension of D are as follows: the ㎜ of 10 ㎜≤D≤50, this
The size range of the thickness D of body 10 is preferably the ㎜ of 15 ㎜≤D≤25.
Ontology 10 is made of hydrophilic biologic packing material or slow release carbon source filler, when biological carrier filler includes at least three
When the ontology 10 being layered on top of each other, the selection of the material of the ontology 10 of the ontology 10 and inside in outside can with different from, such as positioned at
The ontology 10 of two sides can be adopted using hydrophilic carrier 10a made of hydrophilic biologic packing material, the ontology 10 positioned inside
The slow release carbon source carrier 10b made of slow release carbon source filler.
Further, each component is mixed according to following parts by weight in hydrophilic biologic packing material: hydrophilic macromolecule
Material polyvinyl alcohol and totally 40 parts~100 parts of polyacrylamide, consume shell powder and totally 5 parts of calcium alginate by 0.5 part~1 part of coupling agent
~15 parts, 3 parts~5 parts of enzymatic activity regulator, 10 parts~15 parts of starch, 5 parts of foaming agent.The hydrophilic biologic packing material can be adopted
Be made using the following method: first by the hydrophilic high molecular material polyvinyl alcohol and polyacrylamide, enzymatic activity regulator,
Coupling agent, consumes shell powder and calcium alginate, and starch mixing carries out high-temperature digestion granulation；Then gained master batch is mixed with foaming agent,
Density is 0.96g/cm after mixing3~0.98g/cm3.It is sent into extruder, obtains hydrophilic carrier 10a after overmolding, drying.
Each component is mixed according to following parts by weight in slow release carbon source filler: hydrophilic high molecular material polyvinyl alcohol
With totally 40 parts~100 parts of polyacrylamide, 10 parts of soluble polyurethane, 0.5 part~1 part of coupling agent, barium carbonate and sodium bicarbonate
10 parts~20 parts, 5 parts of nutritive salt, 3 parts~5 parts of enzymatic activity regulator, 5 parts of foaming agent.The slow release carbon source filler can use
Following methods are made: the soluble polyurethane are added in 100 DEG C of boiling water and dissolved, it will be between polyurethane and boiling water
Weight ratio be 1:(4~10), soluble polyurethane solution is obtained, then by the enzymatic activity regulator, nutritive salt, carbon
Sour barium and sodium bicarbonate are added in soluble polyurethane solution, are stirred evenly, with 1 DEG C/min~5 DEG C/min cooling rate
22 DEG C~25 DEG C are cooled to, after solidification, obtains masterbatch；Finally by masterbatch, hydrophilic high molecular material polyvinyl alcohol and polypropylene
Amide is mixed with foaming agent, and density is 0.96g/cm after mixing3~0.98g/cm3, it is sent into extruder, after overmolding, dry
To slow release carbon source carrier 10b.
The material of hydrophilic carrier 10a and slow release carbon source carrier 10b is different, the hydrophilic carrier 10a of outer layer preferably oxygen source
Biological material can assist nitrifying process, and endothecium structure is slow release carbon source biological structure, and it is total that degradation is improved inside biological material
Nitrogen ability.
The hydrophilic biologic packing material that the hydrophilic carrier 10a of outer layer is used in the embodiment, relative position is in biochemical aeration
Pond inside and outside can effectively contact, intercept bubble, be conducive to aerobic microbiological flora growth, hydrophilic on hydrophilic carrier 10a
The material of biologic packing material is selected as aerobic microbiological and provides growing environment carrier；Slow release carbon source carrier 10b is in biological carrier and fills out
Material inside, be normally inside biochemical aeration tank, can contact bubbles volume it is few, be conducive to detest on slow release carbon source carrier 10b support it is micro-
Biological flora growth, using slow release carbon source filler, the carbon source that the aerobic flora of outer layer can be cooperated to provide, as biological carrier filler
Internal carbon source supply, promotes denitrification denitrogenation ability further.
Embodiment three
As shown in fig. 6,10 side of ontology has side wall 14 on the basis of above embodiments, side wall 14 is connected to the back
Between 11 and sunny side 12, the through-hole 13 opened up on ontology 10 at this time is longer, and 10 stability of ontology and fastness of this structure are very
It is good, and 14 surface of side wall is smooth, can form the biomembrane of smooth densification in the position of side wall 14.
Although above having made more description in detail to the present invention with generality explanation and specific embodiment,
On the basis of the embodiment of the present invention, it can be made some modifications or improvements, this be to those skilled in the art it is aobvious and
It is clear to.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to that the present invention claims guarantors
The range of shield.
Claims (10)
1. a kind of biological carrier filler for sewage treatment, which is characterized in that including ontology (10), the ontology (10) is in horse
Saddle type shape, ontology (10) two sides are respectively the back (11) and sunny side (12), are evenly distributed on the back (11) more
Convex ridge (111).
2. a kind of biological carrier filler for sewage treatment as described in claim 1, which is characterized in that adjacent lands
(111) it is provided between recessed ridge (112), the convex ridge (111) is evenly spaced on recessed ridge (112).
3. a kind of biological carrier filler for sewage treatment as described in claim 1, which is characterized in that the sunny side (12)
On be evenly arranged with multiple arcs protrusion (121).
4. a kind of biological carrier filler for sewage treatment as described in claim 1, which is characterized in that the biology carrier is filled out
Material includes multiple ontologies (10) being layered on top of each other, and is fixedly connected with support rod (20), adjacent bodies between multiple ontologies (10)
(10) there are gap (21) between.
5. a kind of biological carrier filler for sewage treatment as described in claim 1, which is characterized in that the ontology (10)
On be uniformly provided with multiple through-holes (13) through the back (11) and sunny side (12).
6. a kind of biological carrier filler for sewage treatment as claimed in claim 5, which is characterized in that the through-hole (13)
Section is circle, triangle, rectangular, diamond shape or regular hexagon.
7. a kind of biological carrier filler for sewage treatment as described in claim 1, which is characterized in that the ontology (10)
It is made of hydrophilic biologic packing material or slow release carbon source filler.
8. a kind of biological carrier filler for sewage treatment as claimed in claim 7, which is characterized in that the hydrophilic is raw
Each component is mixed according to following parts by weight in object filler:
9. a kind of biological carrier filler for sewage treatment as claimed in claim 7, which is characterized in that the slow release carbon source
Each component is mixed according to following parts by weight in filler:
10. a kind of biological carrier filler for sewage treatment as claimed in claim 7, which is characterized in that the biology carrier
Filler includes at least three ontologies (10) being layered on top of each other, wherein the ontology (10) for being located at two sides is using hydrophilic biologic packing material
Manufactured hydrophilic carrier (10a), the ontology (10) between the hydrophilic carrier (10a) of two sides are to be filled out using slow release carbon source
Slow release carbon source carrier (10b) made of expecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278454.XA CN109160597A (en) | 2018-10-30 | 2018-10-30 | A kind of biological carrier filler for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278454.XA CN109160597A (en) | 2018-10-30 | 2018-10-30 | A kind of biological carrier filler for sewage treatment |
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| Publication Number | Publication Date |
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| CN109160597A true CN109160597A (en) | 2019-01-08 |
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| CN201811278454.XA Pending CN109160597A (en) | 2018-10-30 | 2018-10-30 | A kind of biological carrier filler for sewage treatment |
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