CN106145311B - A kind of preparation method and application of efficient hydrolysis filling - Google Patents
A kind of preparation method and application of efficient hydrolysis filling Download PDFInfo
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- CN106145311B CN106145311B CN201610529369.0A CN201610529369A CN106145311B CN 106145311 B CN106145311 B CN 106145311B CN 201610529369 A CN201610529369 A CN 201610529369A CN 106145311 B CN106145311 B CN 106145311B
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- hydrolysis
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- 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
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses the preparation methods and application of a kind of efficient hydrolysis filling, the hydrolysis filling the preparation method comprises the following steps: selecting fresh rattan is raw material, eliminate the knot on rattan, then rattan is washed into 1 ~ 2h, the rattan washed is dried at 30 ~ 50 DEG C, finally dried rattan preferably, the rattan preferably gone out is wrapped on porous hollow spherical shape or column type PP GRANULES, the hydrolysis filling of porous hollow ball-shape or column type is obtained.The porous hollow hydrolysis filling that the above method is prepared can be used as reactor for hydrolysis and acidification filler, and arrangement one kind in reactor for hydrolysis and acidification is floated mode, and another kind is fixed mode.Hydrolysis filling raw material sources of the invention are wide, and price is low, and manufacture craft is simple, improve the biofilm amount of unit volume, improve the biological concentration of reactor for hydrolysis and acidification, enhance microorganism in the residence time of reactor for hydrolysis and acidification, improve sewage treatment capacity.
Description
Technical field
The invention belongs to water-treatment technology fields, are related to the preparation method and application of a kind of new and effective hydrolysis filling.
Background technique
The trend that water is big, water quality is complicated with the development of the social economy, waste water occurs, certain danger is generated to environment
Evil.Main method of the biological treatment as sewage treatment has many advantages, such as that economy, processing cost are low, effect is good.At hydrolysis acidification
The organic matter of difficult for biological degradation is converted to deliquescent organic matter by reason, the biodegradability of wastewater treatment is improved, so as to subsequent place
Reason.But traditional reactor for hydrolysis and acidification granule sludge gas production is big, and granule sludge can be gradually crushed, and take reaction out of by waste water
Device, so as to cause effluent quality deterioration.Filler is loaded in reactor for hydrolysis and acidification, provides the field using attachment for microorganism
Institute, microorganism can be enhanced microorganism residence time in the reactor, improve in water treatment filler surface biofilm growth formation
Biological concentration reduces sludge loss, to improve removal efficiency.
Filler is the key that biological membrane processing method, and the filler for being easy to bio-film colonization has important meaning to water treatment efficiency
Justice.The filler that reactor for hydrolysis and acidification loads at present is generally soft class filler, since the tiny fiber of soft class filler exists
It is easily broken off under the impact of water flow, is easy that fiber filament is made to clump together after microorganism colonization, therefore there are power to disappear for soft class filler
Consumption is big, easy to knot groups, fracture of wire, the problems such as service life is short and biofilm speed is slow.In practical engineering applications, due to the filler longevity
It orders short, need to often replace, increase processing cost.
Summary of the invention
The problems such as short, at high cost for existing hydrolysis acidification pool filler service life, the present invention provides one kind to mention
High water treatment efficiency, and the preparation method and application of novel hydrolysis filling at low cost, source is wide.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of preparation method of efficient hydrolysis filling, includes the following steps:
One, rattan pre-processes: selecting fresh rattan is raw material, eliminates the knot on rattan, and rattan is then washed 1
The rattan washed is dried ~ 2h at 30 ~ 50 DEG C, finally carries out dried rattan preferably, preferably rattan is long out
Degree is 1 ~ 2m, and diameter is 1 ~ 2cm.
Two, the preparation of the hydrolysis filling of porous hollow ball-shape: the porous hollow spherical shape for being 2 ~ 4cm with diameter
PP GRANULES is carrier, by preferably go out rattan according to spherical PP GRANULES greatest circle the center of circle be basic point, with porous
The maximum diameter of a circle of hollow polypropylene plastics pellet be wound for diameter, wherein each concentric circles with 15 degree for spacing,
12 concentric circles are wound out altogether, are wound in the filler of porous hollow ball-shape.The hydrolysis filling of the ball-shape constructed
Specification are as follows: diameter: 2 ~ 4 cm；Density: 0.85 ~ 0.9g/cm3；Single quality: 1 ~ 2g.
Three, the preparation of the hydrolysis filling of porous hollow column type: with diameter it is 2 ~ 4cm, is highly that 4 ~ 6cm's is porous
Hollow column type PP GRANULES is carrier, and the rattan preferably gone out is wound according to spiralling mode, rises spacing
For 0.2 ~ 0.4cm, it is wound in the hydrolysis filling of porous hollow column type, the specification of the hydrolysis filling of the column type constructed
Are as follows: diameter: 2 ~ 4cm；Highly: 4 ~ 6cm；Density: 0.85 ~ 0.9g/cm3；Single quality: 4 ~ 6g.
The porous hollow hydrolysis filling that the above method is prepared can be used as reactor for hydrolysis and acidification filler,
Arrangement in reactor for hydrolysis and acidification has the following two kinds:
A kind of arrangement is floated mode, the hydrolysis filling of 4 ~ 6 porous hollow column types is put in corrosion-resistant
Screen cloth pocket in, wherein screen cloth pocket using 10 ~ 20cm bag-shaped nylon net bag, be formed by each bag volume be 2 ~
3dm3；Multiple screen cloth pockets are fixed on to the bottom end of reactor for hydrolysis and acidification by nylon rope.
Another arrangement is fixed mode, by the hydrolysis filling of multiple porous hollow ball-types by connecting rod string
Connection, which links together, forms filling ball string, which is evenly arranged, each filler
The upper and lower ends of ball string are fixed by fixed link, and fixed link is fixed in the outline border of reactor.
Rattan is grown in original deep woods, from a wealth of sources, while the rattan speed of growth is fast, obtains and is very easy to, reduces
The production cost of filler.Rattan is difficult as a kind of trailing plant full of elasticity containing colloid by microbe damage, especially in anaerobism
Under conditions of extremely difficult rotten decomposition there is long service life, the advantages of being hardly damaged, greatly therefore using rattan as filler
Ground reduces costs.Rattan is easily attached to rattan surface as green plants, microorganism, raw due to rattan large specific surface area
Object adhesion amount is big, improves biological concentration, enhances microorganism in the residence time of reactor for hydrolysis and acidification, processing capacity can be improved.
And rattan density can suspend in water close to water, with the gas that hydrolysis generates in reactor for hydrolysis and acidification
And fluctuate, so that excessive or aging the microorganism of rattan surface aggregation is fallen off and shear off by air-flow, to improve micro- life
Object renewal speed.Therefore, the present invention uses natural material rattan for raw material, has the advantages that than other fillers more superior.
Compared with the prior art, the present invention has the advantage that
1, the filler material source is wide, and price is low, and manufacture craft is simple, it is only necessary to which simple processing can produce into institute
Need filler.
2, the packing specific area is big, improves the biofilm amount of unit volume, improves the biology of reactor for hydrolysis and acidification
Concentration enhances microorganism in the residence time of reactor for hydrolysis and acidification, improves sewage treatment capacity.
3, the filler is the filler of porous hollow figure, and internal voids rate is big, is conducive to the impact of water flow air-flow, so that
Excessive or aging microorganism falls off, so that the sludge in filler be made to remain efficient activity.
Detailed description of the invention
Fig. 1 is the structural plan of floated arrangement, 1- hydrolysis filling, 2- superposed layer, 3- sludge blanket；
Fig. 2 is the structural plan of fixed arrangement.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawing, and however, it is not limited to this, all to this
Inventive technique scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered
Within the protection scope of the present invention.
Specific embodiment 1: present embodiments provide for a kind of preparation sides of the hydrolysis filling of porous hollow column type
Method, the specific steps are as follows:
Fresh rattan is selected, fresh rattan is then eliminated the knot on rattan, then rattan is washed into 1 ~ 2h, finally
The rattan washed is dried at 30 ~ 50 DEG C.By the rattan handled well carry out preferably, preferably out rattan length be 1 ~
2m, diameter are 1 ~ 2cm.It is preferred that the rattan gone out has good toughness, likewise it is preferred that the rattan light specific gravity gone out, large specific surface area, density
Close to water, can be suspended in reactor for hydrolysis and acidification.
Using diameter be 2 ~ 4cm, highly be 4 ~ 6cm porous hollow column type PP GRANULES as carrier, will preferably go out
Rattan be wound according to spiralling mode, rising spacing be 0.2 ~ 0.4cm, be wound in porous hollow column type
Filler.
The filler of 4 ~ 6 porous hollow column types is put in corrosion resistant screen cloth pocket, is in puffy, ties pocket,
It prevents from dropping out.Wherein screen cloth pocket using 10 ~ 20cm bag-shaped nylon net bag, be formed by each bag volume be 2 ~
3dm3.Manufactured each screen cloth pocket is sewed into upper corrosion resistant nylon rope again, the other end of nylon rope is fixed on hydrolysis acidification
The bottom end of reactor, arrangement are as shown in Figure 1.After reactor for hydrolysis and acidification fills water, due to porous hollow column
The hydrolysis filling of type is hollow form, and filler floats in water, and microorganism is then attached to the surface of rattan, in the work of waterpower and gas
With the mass transfer of the substance between lower increasing microorganism and water body, microbial film is made constantly to rise in value.Filler is anti-in hydrolysis acidification simultaneously
It answers in suspended state in device, effect of the filler by gas floats up and down, and so that excessive or aging microorganism is fallen off,
Make between filler not easy to knot groups, increases the service life of filler.
Specific embodiment 2: present embodiments provide for a kind of preparations of the hydrolysis filling of porous hollow ball-shape
Method, the specific steps are as follows:
Fresh rattan is selected, fresh rattan is then eliminated the knot on rattan, then rattan is washed into 1 ~ 2h, finally
The rattan washed is dried at 30 ~ 50 DEG C.By the rattan handled well carry out preferably, preferably out rattan length be 1 ~
2m, diameter are 1 ~ 2cm.It is preferred that the rattan gone out has good toughness, has and utilize the filler for being fabricated to hollow property sphere.Likewise it is preferred that
Rattan light specific gravity out, large specific surface area, density can be suspended in reactor for hydrolysis and acidification close to water.
Using diameter be 2 ~ 4cm porous hollow ball-type PP GRANULES as carrier, by preferably go out rattan according to ball
The center of circle of the greatest circle of shape PP GRANULES is basic point, is twined using the maximum diameter of a circle of spherical PP GRANULES as diameter
Around, wherein each concentric circles with 15 degree for spacing, wind out 12 concentric circles altogether, be wound in diameter be 3 ~ 5cm it is porous hollow
Ball-shape hydrolysis filling.
The hydrolysis filling of multiple porous hollow ball-types is connected in series by connecting rod and forms filling ball string.It should
Filling ball string transverse and longitudinal in reactor for hydrolysis and acidification is evenly arranged, and forms multiple lines and multiple rows, in the horizontal direction, filling ball and filler
Spacing between ball is controlled in 5 ~ 10cm, the upper and lower ends of each filling ball string is fixed by fixed link, fixed link is fixed on water
In the outline border for solving acidification reactor, arrangement is as shown in Figure 2.
Specific embodiment 3: one gained filler of specific embodiment is placed in reactor for hydrolysis and acidification, will hydrolyze
Sludge seeding is added nutriment and is cultivated in reactor.By culture in 6 ~ 8 days, the water of porous hollow column type
Solution filler has stable biomembrane attachment, shortens half than the common soft-filler starting time.It is more by measuring after biofilm is stablized
The hydrolysis filling of the hollow column type in hole and the microbial biomass of common soft-filler find that the hydrolysis of porous hollow column type is filled out
Expect that the microbial biomass than common soft-filler increases by 50%.Increase flow of inlet water simultaneously, finds porous sky after improving water velocity
The hydrolysis filling of the column type of the heart is stronger than common soft-filler capacity of resisting impact load, in the hydrolysis filling of porous hollow column type
Biomembrane it is not easily to fall off, dramatically increase system capacity of resisting impact load.
Claims (8)
1. a kind of preparation method of efficient hydrolysis filling, it is characterised in that steps are as follows for the preparation method:
One, rattan pre-processes: selecting fresh rattan is raw material, eliminates the knot on rattan, and rattan is then washed 1 ~ 2h,
The rattan washed is dried at 30 ~ 50 DEG C, is finally carried out dried rattan preferred；The rattan preferably gone out
Length is 1 ~ 2m, and diameter is 1 ~ 2cm；
Two, using diameter be 2 ~ 4cm porous hollow spherical PP GRANULES as carrier, by preferably go out rattan according to spherical shape
The center of circle of the greatest circle of PP GRANULES is basic point, using the maximum diameter of a circle of porous hollow polypropylene plastics pellet as diameter
It is wound, is wound in the hydrolysis filling of porous hollow ball-shape；In the winding process, each concentric circles is with 15 degree
Spacing winds out 12 concentric circles altogether.
2. the preparation method of efficient hydrolysis filling according to claim 1, it is characterised in that described porous hollow
The specification of the hydrolysis filling of ball-shape are as follows: diameter: 2 ~ 4 cm；Density: 0.85 ~ 0.9g/cm3；Single quality: 1 ~ 2g.
3. a kind of application of hydrolysis filling of claim 1-2 any claim preparation in reactor for hydrolysis and acidification filler.
4. application of the hydrolysis filling according to claim 3 in reactor for hydrolysis and acidification filler, it is characterised in that described
Arrangement of the hydrolysis filling in reactor for hydrolysis and acidification filler is fixed mode, by multiple porous hollow ball-types
Hydrolysis filling is connected in series by connecting rod forms filling ball string, filling ball string transverse and longitudinal in reactor for hydrolysis and acidification
It is evenly arranged, the upper and lower ends of each filling ball string are fixed by fixed link, and fixed link is fixed in the outline border of reactor.
5. a kind of preparation method of efficient hydrolysis filling, it is characterised in that steps are as follows for the preparation method:
One, rattan pre-processes: selecting fresh rattan is raw material, eliminates the knot on rattan, and rattan is then washed 1 ~ 2h,
The rattan washed is dried at 30 ~ 50 DEG C, is finally carried out dried rattan preferred；The rattan preferably gone out
Length is 1 ~ 2m, and diameter is 1 ~ 2cm；
Two, using diameter be 2 ~ 4cm, highly be 4 ~ 6cm porous hollow column type PP GRANULES as carrier, by preferably go out
Rattan is wound according to spiralling mode, is wound in the hydrolysis filling of porous hollow column type；The winding process
In, rising spacing is 0.2 ~ 0.4cm.
6. the preparation method of hydrolysis filling according to claim 5, it is characterised in that the porous hollow column type
The specification of hydrolysis filling are as follows: diameter: 2 ~ 4cm；Highly: 4 ~ 6cm；Density: 0.85 ~ 0.9g/cm3；Single quality: 4 ~ 6g.
7. a kind of application of hydrolysis filling of claim 5-6 any claim preparation in reactor for hydrolysis and acidification filler.
8. application of the hydrolysis filling according to claim 7 in reactor for hydrolysis and acidification filler, it is characterised in that described
Arrangement of the hydrolysis filling in reactor for hydrolysis and acidification filler is floated mode, by 4 ~ 6 porous hollow column types
Hydrolysis filling be put in screen cloth pocket, multiple screen cloth pockets are fixed on to the bottom end of reactor for hydrolysis and acidification by nylon rope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529369.0A CN106145311B (en) | 2016-07-07 | 2016-07-07 | A kind of preparation method and application of efficient hydrolysis filling |
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|---|---|---|---|
| CN201610529369.0A CN106145311B (en) | 2016-07-07 | 2016-07-07 | A kind of preparation method and application of efficient hydrolysis filling |
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| CN106145311A CN106145311A (en) | 2016-11-23 |
| CN106145311B true CN106145311B (en) | 2019-03-19 |
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| CN115010248B (en) * | 2022-07-26 | 2023-11-24 | 广东绿日环境科技有限公司 | Method and device for reducing denitrification sludge based on cooperation of bionic biological membrane and plant root system |
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| CN2126629Y (en) * | 1992-07-31 | 1993-01-27 | 北京建筑工程学院 | Double-fastened composite filling |
| CN2573486Y (en) * | 2002-10-15 | 2003-09-17 | 菊池隆重 | Microbe symbiotic cylindrical carrier |
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