CN108751396B - Biological filler and biological filler composed of same - Google Patents
Biological filler and biological filler composed of same Download PDFInfo
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- CN108751396B CN108751396B CN201810548256.4A CN201810548256A CN108751396B CN 108751396 B CN108751396 B CN 108751396B CN 201810548256 A CN201810548256 A CN 201810548256A CN 108751396 B CN108751396 B CN 108751396B
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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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
- C02F3/02—Aerobic processes
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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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
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- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a biological filler and a biological filler device composed of the same, wherein the biological filler is prepared from the following components in parts by weight: 4-8 parts of polyvinyl alcohol, 6-12 parts of polypropylene, 1-3 parts of activated carbon, 2-3 parts of a lubricant, 1-2 parts of calcium sulfate, 0.05-0.5 part of magnesium sulfate and 1-2 parts of calcium chloride. The biological filler comprises a chassis, wherein a groove is formed in the center of the chassis, biological filler is arranged in the groove and comprises a hollow frame-shaped sphere; the periphery that lies in the recess on the chassis is equipped with a plurality of drainage grooves, and the bottom surface of drainage groove is equipped with the guiding gutter with the recess intercommunication, is equipped with the honeycomb duct that stretches out to the biofilm carrier inside in the guiding gutter, and the top on chassis is equipped with and chassis assorted upper cover. The invention has the characteristics of improving the activity of internal microorganisms, prolonging the service life of the microorganisms and improving the water purifying capacity of the microorganisms, and also has the characteristics of accelerating the growth and the film forming speed of the microorganisms, increasing the film forming quantity and enhancing the adhesive force between the microbial film and the filler.
Description
Technical Field
The invention relates to a biological filler, in particular to a biological filler and a biological filler device composed of the biological filler.
Background
The microbial film is composed of microbial population, extracellular polymer and matrix net coated by the microbial population, and the microbial population, the extracellular polymer and the matrix net are adhered to each other or adhered to the surface of a carrier to form a layer of microbial film, and the microbial film is commonly used for the environmental protection aspects of sewage treatment, waste gas absorption treatment and the like. The biological filler is divided into combined filler, three-dimensional elastic filler, porous suspension ball filler, active biological filler and the like, is a place where microorganisms inhabit, is a carrier of a biological membrane, provides stable environment for inhabitation and propagation of the microorganisms, and provides an attached surface and an internal space for the microorganisms due to rich internal surfaces, so that the reactor can keep more microorganism quantity as far as possible, and has the function of intercepting suspended matters. Generally, the rougher the surface of the filler, the higher the porosity and the specific surface area, the more microorganisms are attached, the higher the sustainable organic load is, and the formation and growth of the biofilm are facilitated. However, for the biological filler with high roughness, after the biological film is formed, microorganisms in the internal biological film are often in the environment with insufficient nutrient concentration and insufficient oxygen due to the blocking of the outer biological film, so that the activity of the microorganisms in the biological filler is influenced, the activity of the microorganisms in the biological filler is insufficient, the service life of the microorganisms is short, the exertion of the sewage treatment capacity by the biological filler is seriously influenced, and the water purification capacity is low; for the biological filler with low roughness, although the activity of microorganisms in the internal biological film can be increased, the growth of the whole microorganism is limited due to small specific area and poor hydrophilic performance and biological affinity performance, the film forming speed is slow, the film forming quantity is small, and the adhesive force between the biological filler and the biological filler is insufficient. Therefore, the existing biological filler with high roughness has the problems of insufficient internal microbial activity, short service life and insufficient water purification capacity, and the existing biological filler with low roughness has the problems of low film forming speed, small film forming quantity, insufficient adhesive force with the filler and insufficient water purification capacity.
Disclosure of Invention
The invention aims to provide a biological filler and a biological filler device composed of the biological filler. The invention has the characteristics of improving the activity of internal microorganisms, prolonging the service life of the microorganisms and improving the water purifying capacity of the microorganisms, and also has the characteristics of accelerating the growth and the film forming speed of the microorganisms, increasing the film forming quantity and enhancing the adhesive force between the microbial film and the filler.
The technical scheme of the invention is as follows: the biological filler is prepared from the following components in parts by weight:
4-8 parts of polyvinyl alcohol, 6-12 parts of polypropylene, 1-3 parts of activated carbon, 2-3 parts of a lubricant, 1-2 parts of calcium sulfate, 0.05-0.5 part of magnesium sulfate and 1-2 parts of calcium chloride.
The invention also comprises a biological filler provided with the biological filler, which comprises a chassis, wherein a groove is formed in the center of the chassis, the biological filler is arranged in the groove, the biological filler comprises a hollow frame-shaped sphere, a plurality of annular strips distributed along the axial direction of the sphere are arranged on the surface of the sphere, a plurality of connecting strips are arranged between adjacent annular strips, the upper connecting strip and the lower connecting strip are distributed in a staggered manner, a connecting pipe penetrating through the sphere is arranged in the center of the interior of the sphere, and the exterior of the connecting pipe is respectively connected with the connecting strips and the annular strips through reinforcing ribs; the periphery that lies in the recess on the chassis is equipped with a plurality of drainage grooves, the bottom surface of drainage groove is equipped with the guiding gutter with the recess intercommunication, be equipped with the honeycomb duct in the guiding gutter, the one end and the drainage groove intercommunication of honeycomb duct, the other end of honeycomb duct stretches into the inside of biofilm carrier, the top on chassis be equipped with chassis assorted upper cover.
In the biological filler, the upper cover is clamped with the chassis, the upper cover is provided with the opening matched with the groove and the drainage hole matched with the drainage groove, the bottom end of the biological filler is positioned in the groove, the top end of the biological filler penetrates through the opening, and the drainage hole is internally provided with the sealing cover.
In the biological stuffing device, the upper end of the drainage groove is provided with the connecting ring, the connecting ring penetrates through the drainage hole, the outer annular surface of the connecting ring is provided with an external thread, the inner annular surface of the sealing cover is provided with an internal thread, and the sealing cover is in threaded connection with the connecting ring.
In the aforementioned bio-filler, the drainage groove is funnel-shaped.
In the biological stuffing device, the diversion trench is inclined, and the lower end of the diversion trench is communicated with the groove.
In the biological filler, the outer wall of the connecting pipe is uniformly provided with the sawteeth, and through holes are formed between every two adjacent sawteeth.
In the bio-filler, the reinforcing ribs are radially distributed in multiple layers along the axial direction of the connecting pipe, the reinforcing ribs are provided with a plurality of first short fins facing different directions, the connecting pipe is radially distributed with second short fins inside, and the second short fins are provided with a plurality of layers along the axial direction of the connecting pipe.
Compared with the prior art, the biological filler has the advantages that the shape design and the composition of the biological filler are changed, so that the biological filler has higher stress strength in all directions, can bear higher pressure without deformation and damage, has long service life, high roughness, high porosity and more internal attachment points, is beneficial to the attachment of microorganisms, enhances the attachment strength, ensures that the microorganisms are fast filmed and are more in number, and improves the water purifying capacity of the microorganisms; the biological filler is arranged in the groove by arranging the groove on the chassis, then the drainage groove is arranged on the chassis and is communicated with the biological filler in the groove by utilizing the flow guide groove and the flow guide pipe, and when the reactor is used, sewage, air flow and the like enter from the drainage groove and enter into the biological filler along the flow guide pipe, so that nutrient substances, oxygen and the like are provided for the microorganisms in the biological filler, a good microorganism growth environment is created, and the activity of the microorganisms in the biological filler is increased; additives such as nutrients, acid and alkali agents and the like can be artificially added into the drainage grooves, the additives flow into the biological filler along the flow guide pipe, the environment inside the biological filler is adjusted, a good microbial growth hotbed is formed, the growth of microbes is suitable, the microbes in the biological filler keep high activity and high film quantity, the forming speed is high, and the water purification effect of the microbes is improved; the drainage grooves can enable sewage to rapidly enter the biological filler from all directions, and different additives can be added to improve the treatment speed; the biological filler is fixed by the upper cover, so that the installation stability between the biological filler and the chassis is improved, and the biological filler is not easy to separate due to water flow impact; therefore, the invention has the characteristics of improving the activity of internal microorganisms, prolonging the service life of the microorganisms and improving the water purifying capacity of the microorganisms, and also has the characteristics of accelerating the growth and the film forming speed of the microorganisms, increasing the film forming quantity and improving the adhesive force between the microbial film and the filler.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the biological filler;
FIG. 3 is a schematic view of the structure of the chassis;
fig. 4 is a schematic structural view of the upper cover.
The labels in the figures are: 1. a chassis; 11. a groove; 12. a drainage groove; 13. a diversion trench; 14. a flow guide pipe; 15. a connecting ring; 2. biological fillers; 21. an annular strip; 22. a connecting strip; 23. a connecting pipe; 24. reinforcing ribs; 25. saw teeth; 26. a through hole; 27. a first short fin; 28. a second short fin; 3. an upper cover; 31. opening a hole; 32. a drainage hole; 33. and (7) sealing the cover.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Examples are given.
The biological filler is prepared from the following components in parts by weight:
4-8 parts of polyvinyl alcohol, 6-12 parts of polypropylene, 1-3 parts of activated carbon, 2-3 parts of a lubricant, 1-2 parts of calcium sulfate, 0.05-0.5 part of magnesium sulfate and 1-2 parts of calcium chloride.
During preparation, the components are ground into powder, mixed evenly and injection-molded by an injection molding machine to obtain the biological filler.
As shown in fig. 1, 2 and 3, the bio-filler device composed of the bio-filler comprises a chassis 1, a groove 11 is arranged in the center of the chassis 1, the bio-filler 2 is arranged in the groove 11, the bio-filler 2 comprises a hollow frame-shaped sphere, a plurality of annular strips 21 are arranged on the surface of the sphere and distributed along the axial direction of the sphere, a plurality of connecting strips 22 are arranged between adjacent annular strips 21, the upper and lower connecting strips 22 are distributed in a staggered manner, a connecting pipe 23 penetrating through the sphere is arranged in the center of the interior of the sphere, and the exterior of the connecting pipe 23 is respectively connected with the connecting strips 22 and the annular strips 21 through a reinforcing rib 24; the periphery that lies in recess 11 on chassis 1 is equipped with a plurality of drainage grooves 12, the bottom surface of drainage groove 12 is equipped with guiding gutter 13 with recess 11 intercommunication, be equipped with honeycomb duct 14 in the guiding gutter 13, the one end and the drainage groove 12 intercommunication of honeycomb duct 14, the other end of honeycomb duct 14 stretches into the inside of biofilm carrier 2, the top on chassis 1 is equipped with and chassis 1 assorted upper cover 3.
As shown in fig. 4, the upper cover 3 is clamped with the chassis 1, the upper cover 3 is provided with an opening 31 matched with the groove 11 and a drainage hole 32 matched with the drainage groove 12, the bottom end of the biological filler 2 is located in the groove 11, the top end of the biological filler 2 penetrates through the opening 31, and a sealing cover 33 is arranged in the drainage hole 32. The sealing cover 33 is arranged for limiting the quantity and activity of microorganisms, when the amount of the microorganisms is too much and the microorganism treatment needs to be weakened, the sealing cover 33 is used for sealing the drainage groove 12 to prevent external sewage from entering the biological filler 2 through the drainage groove 12, the microorganisms in the biological filler 2 are blocked by an external microorganism film, so that sufficient nutrients, oxygen and the like cannot be obtained, the activity is weakened, and the survival amount is reduced.
The upper end of the drainage groove 12 is provided with a connecting ring 15, the connecting ring 15 penetrates through the drainage hole 32, the outer annular surface of the connecting ring 15 is provided with an external thread, the inner annular surface of the sealing cover 33 is provided with an internal thread, and the sealing cover 33 is in threaded connection with the connecting ring 15. The sealing cover 33 and the connecting ring 15 can be in threaded connection or clamped connection, so that the drainage groove 12 can be opened or closed conveniently, and the operation is simple and convenient.
The drainage grooves 12 are funnel-shaped. Drainage groove 12 is arranged to be funnel-shaped, so that the gathering of sewage and additive is accelerated, and the sewage and the additive can enter biological filler 2 conveniently.
The diversion trench 13 is inclined, and the lower end of the diversion trench 13 is communicated with the groove 11. Set up guiding gutter 13 and be the slope form, honeycomb duct 14 also inclines to set up for sewage and addition material are quick, enter into 2 inside speeds of biofilm carrier completely, reduce the volume of remaining on the chassis 1, make its and 2 inside microorganism fully contact of biofilm carrier, improve reaction efficiency.
The outer wall of the connecting pipe 23 is uniformly provided with sawteeth 25, and through holes 26 are arranged between the adjacent sawteeth 25. The saw teeth 25 are arranged to improve the surface roughness and the adhesion point, the inside and the outside of the connecting pipe 23 are communicated by the through hole 26, substances such as nutrients, oxygen and the like are communicated, the activity of the inside and the outside microorganisms is improved, and the number of biofilm formation is increased.
The strengthening rib 24 is the radial distribution of multilayer along the axial direction of connecting pipe 23, be equipped with a plurality of different first short fins 27 of orientation on the strengthening rib 24, the inside of connecting pipe 23 is radial distribution and is equipped with the short fin 28 of second, and the short fin 28 of second is equipped with a plurality of layers along the axial direction of connecting pipe 23. The first short fin 27 and the second short fin 28 are arranged, so that the adhesion points of microorganisms are increased, and the film hanging quantity is increased.
When the biological filler is used specifically, the shape and the components of the biological filler 2 are improved, so that the biological filler has higher stress strength in all directions, can bear higher pressure without deformation and damage, has long service life, high roughness, high porosity and more internal attachment points, is beneficial to the attachment of microorganisms, enhances the attachment strength, ensures that the microorganisms are fast filmed and are more in quantity, and improves the water purifying capacity of the microorganisms. The improved biological filler 2 is placed in the groove 11, then the upper cover 3 is installed, the biological filler 2 is fixed and placed in a treatment pool, a biochemical tank, a biochemical tower and the like, sewage, air flow and the like enter from the drainage groove 12 and enter the biological filler 2 along the flow guide pipe 14, nutrient substances, oxygen and the like are provided for microorganisms in the biological filler 2, a good microorganism growth environment is created, and the activity of the microorganisms in the biological filler 2 is increased; additives such as nutrients, acid and alkali agents and the like can be artificially added into the drainage grooves 12, the additives flow into the biological filler 2 along the diversion pipe 14, the environment inside the biological filler 2 is adjusted, a good microbial growth hotbed is formed, the growth of microbes is facilitated, the microbes in the biological filler 2 keep high activity and high film quantity, the formation speed is high, and the water purification effect of the microbes is improved; set up a plurality of drainage grooves 12 and can make sewage enter into 2 inside biological filler from all directions fast, can also add different types of additive and enter into 2 biological filler, improve the processing speed. The biological stuffing 2 is fixed by the upper cover 3, the installation stability between the biological stuffing 2 and the chassis 1 is improved, and the biological stuffing is not easy to be separated by water flow impact. Therefore, the invention has the characteristics of improving the activity of internal microorganisms, prolonging the service life of the microorganisms and improving the water purifying capacity of the microorganisms, and also has the characteristics of accelerating the growth and the film forming speed of the microorganisms, increasing the film forming quantity and improving the adhesive force between the microbial film and the filler.
Claims (7)
1. A biological filler, characterized by: the biological filler is prepared from the following components in parts by weight:
4-8 parts of polyvinyl alcohol, 6-12 parts of polypropylene, 1-3 parts of activated carbon, 2-3 parts of a lubricant, 1-2 parts of calcium sulfate, 0.05-0.5 part of magnesium sulfate and 1-2 parts of calcium chloride; the biological filler device composed of the biological filler comprises a chassis (1), wherein a groove (11) is formed in the center of the chassis (1), the biological filler (2) is arranged in the groove (11), the biological filler (2) comprises a hollow frame-shaped sphere, a plurality of annular strips (21) distributed along the axial direction of the sphere are arranged on the surface of the sphere, a plurality of connecting strips (22) are arranged between every two adjacent annular strips (21), the upper connecting strip and the lower connecting strip (22) are distributed in a staggered mode, a connecting pipe (23) penetrating through the sphere is arranged in the center of the interior of the sphere, and the exterior of the connecting pipe (23) is respectively connected with the connecting strips (22) and the annular strips (21) through reinforcing ribs (24); the periphery that lies in recess (11) on chassis (1) is equipped with a plurality of drainage groove (12), the bottom surface of drainage groove (12) is equipped with guiding gutter (13) with recess (11) intercommunication, be equipped with honeycomb duct (14) in guiding gutter (13), the one end and the drainage groove (12) intercommunication of honeycomb duct (14), the other end of honeycomb duct (14) stretches into the inside of biofilm carrier (2), the top of chassis (1) is equipped with upper cover (3) with chassis (1) assorted.
2. The bio-filler as claimed in claim 1 wherein: upper cover (3) and chassis (1) joint, be equipped with respectively on upper cover (3) with recess (11) assorted trompil (31) and with drainage groove (12) assorted drainage hole (32), the bottom of biofilm carrier (2) is located recess (11), trompil (31) are passed on the top of biofilm carrier (2), be equipped with sealed lid (33) in drainage hole (32).
3. The bio-filler as claimed in claim 2 wherein: the drainage structure is characterized in that a connecting ring (15) is arranged at the upper end of the drainage groove (12), the connecting ring (15) penetrates through the drainage hole (32), an external thread is arranged on the outer annular surface of the connecting ring (15), an internal thread is arranged on the inner annular surface of the sealing cover (33), and the sealing cover (33) is in threaded connection with the connecting ring (15).
4. The bio-filler as claimed in claim 1 wherein: the drainage groove (12) is funnel-shaped.
5. The bio-filler as claimed in claim 1 wherein: the diversion trench (13) is inclined, and the lower end of the diversion trench (13) is communicated with the groove (11).
6. The bio-filler as claimed in claim 1 wherein: the outer wall of the connecting pipe (23) is uniformly provided with sawteeth (25), and through holes (26) are formed between every two adjacent sawteeth (25).
7. The bio-filler as claimed in claim 1 wherein: the strengthening rib (24) are the radial distribution of multilayer along the axial direction of connecting pipe (23), be equipped with a plurality of first short fins (27) that the orientation is different on strengthening rib (24), the inside of connecting pipe (23) is radial distribution and is equipped with second short fin (28), and second short fin (28) are equipped with a plurality of layers along the axial direction of connecting pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548256.4A CN108751396B (en) | 2018-05-31 | 2018-05-31 | Biological filler and biological filler composed of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548256.4A CN108751396B (en) | 2018-05-31 | 2018-05-31 | Biological filler and biological filler composed of same |
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| Publication Number | Publication Date |
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| CN108751396A CN108751396A (en) | 2018-11-06 |
| CN108751396B true CN108751396B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810548256.4A Active CN108751396B (en) | 2018-05-31 | 2018-05-31 | Biological filler and biological filler composed of same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109912042A (en) * | 2018-12-06 | 2019-06-21 | 南方创业（天津）科技发展有限公司 | A kind of preparation method for moving-bed biofilm reaction modifying floating stuffing |
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| KR20090089035A (en) * | 2008-02-18 | 2009-08-21 | 주식회사 부강테크 | Moving media and apparatus for purifing wastewater applying the same |
| CN103112943A (en) * | 2013-02-06 | 2013-05-22 | 中国人民解放军后勤工程学院 | Multi-component PVC (polyvinyl chloride) biological filler |
| CN103708619A (en) * | 2014-01-21 | 2014-04-09 | 厦门市威士邦膜科技有限公司 | Fluidized bed biofilm filler, and preparation method and filler structure thereof |
| CN103755009A (en) * | 2014-02-14 | 2014-04-30 | 杭州天宇环保工程实业有限公司 | Biological film packing and preparation process thereof |
| CN104192993A (en) * | 2014-09-25 | 2014-12-10 | 王伟 | Biological affinitive hydrophilic modified magnetic filler |
| CN206014522U (en) * | 2016-08-24 | 2017-03-15 | 湖北山叶环保科技股份有限公司 | A kind of ball float filler suitable for sewage disposal |
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2018
- 2018-05-31 CN CN201810548256.4A patent/CN108751396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090089035A (en) * | 2008-02-18 | 2009-08-21 | 주식회사 부강테크 | Moving media and apparatus for purifing wastewater applying the same |
| CN103112943A (en) * | 2013-02-06 | 2013-05-22 | 中国人民解放军后勤工程学院 | Multi-component PVC (polyvinyl chloride) biological filler |
| CN103708619A (en) * | 2014-01-21 | 2014-04-09 | 厦门市威士邦膜科技有限公司 | Fluidized bed biofilm filler, and preparation method and filler structure thereof |
| CN103755009A (en) * | 2014-02-14 | 2014-04-30 | 杭州天宇环保工程实业有限公司 | Biological film packing and preparation process thereof |
| CN104192993A (en) * | 2014-09-25 | 2014-12-10 | 王伟 | Biological affinitive hydrophilic modified magnetic filler |
| CN206014522U (en) * | 2016-08-24 | 2017-03-15 | 湖北山叶环保科技股份有限公司 | A kind of ball float filler suitable for sewage disposal |
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