CN220642789U - Modified polyurethane microorganism carrier sphere - Google Patents
Modified polyurethane microorganism carrier sphere Download PDFInfo
- Publication number
- CN220642789U CN220642789U CN202321841561.5U CN202321841561U CN220642789U CN 220642789 U CN220642789 U CN 220642789U CN 202321841561 U CN202321841561 U CN 202321841561U CN 220642789 U CN220642789 U CN 220642789U
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- carrier
- modified polyurethane
- outer shell
- hollow
- cube
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 126
- 239000004814 polyurethane Substances 0.000 title claims abstract description 126
- 244000005700 microbiome Species 0.000 title abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 13
- 230000000813 microbial effect Effects 0.000 claims description 13
- 230000000452 restraining effect Effects 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012546 transfer Methods 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 21
- 239000000843 powder Substances 0.000 description 12
- 229940070527 tourmaline Drugs 0.000 description 12
- 229910052613 tourmaline Inorganic materials 0.000 description 12
- 239000011032 tourmaline Substances 0.000 description 12
- 239000000945 filler Substances 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000011426 transformation method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a modified polyurethane microorganism carrier sphere, which comprises a carrier sphere outer shell, wherein a hollow cylindrical modified polyurethane carrier and an orthocube modified polyurethane carrier are respectively arranged in the carrier sphere outer shell, and a hollow carrier bracket is arranged in the carrier sphere outer shell; the cube modified polyurethane carrier is put into the outer shell of the carrier sphere, and then the hollow cylindrical modified polyurethane carrier is bonded with a hollow carrier bracket in the outer shell of the carrier sphere. The modified polyurethane microorganism carrier sphere can strengthen the adhesion capability of microorganisms on a carrier, form an external aerobic and internal facultative microorganism living environment, further strengthen the nitrification and denitrification capability of the microorganisms on nitrogen substances in a water body, and meanwhile, the structure has higher water flow passing rate, is favorable for strengthening mass transfer effect, and aged microorganism films can fall off in time, thereby being favorable for daily operation and maintenance.
Description
Technical Field
The utility model relates to the technical field of domestic sewage treatment, in particular to a modified polyurethane microorganism carrier sphere.
Background
The biological filler mainly provides a carrier for the attachment growth of microorganisms, bacteria are attached and combined on the surface of the filler to form a biological film, microorganisms are sufficiently propagated on the surface of the carrier under the action of oxygen and sewage organic matters, the filler provides a fixed attachment place for the microorganisms, meanwhile, the filler has the functions of cutting and blocking bubbles, the concentration of dissolved oxygen in the sewage can be improved, the mass transfer effect of the microorganism organic matters and the dissolved oxygen is enhanced, the conventional modes in the market at present mainly comprise three modes of fixed type, suspension type and suspension type, and the selection of the proper filler has important technical and economic significance for the repair of polluted water bodies.
The immobilized microorganism technology is a biological technology which is used for immobilizing specific microorganisms on a selected carrier, so that the specific microorganisms are highly dense and keep biological activity, and can be rapidly and massively proliferated under proper conditions, and the technology is applied to wastewater treatment, is beneficial to improving the concentration of microorganisms (especially microorganisms with special functions) in a bioreactor, is beneficial to resisting adverse environmental influences by the microorganisms, is beneficial to solid-liquid separation after reaction, shortens the time required by treatment, and has high efficiency; the dominant microorganism population is convenient to culture; the microorganism density is high, and the microorganism is not easy to run off; the stability of the operation process is high; impact load resistance; the solid-liquid separation effect is good; the treatment process is simple and easy to control, and the like, so that the method has great advantages in the field of wastewater treatment such as domestic wastewater and the like, and gradually becomes a research hot spot in the field of wastewater treatment.
In the prior art, common microbial carrier fillers in the market have a plurality of defects in the actual use process, firstly, microbial films are accumulated on the surface of a carrier and are not easy to fall off, and the mass transfer effect is affected; secondly, many fillers are not strong enough in hydrophilicity, so that microorganisms are difficult to load on the surface of the fillers; thirdly, the internal mass transfer effect of the filler is insufficient, the external aerobic and internal anoxic state is difficult to form, and the removal capacity of nitrogen indexes is weak, so that the filler needs to be optimized and improved, and the modified polyurethane microorganism carrier sphere is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a modified polyurethane microbial carrier sphere which has the advantages of improving the water flow rate and the like, and solves the problems that microbial films are not easy to fall off, the hydrophilicity is not strong enough and the mass transfer effect is insufficient in the common microbial carrier filler in the market.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the modified polyurethane microorganism carrier ball comprises a carrier ball outer shell, wherein a hollow cylindrical modified polyurethane carrier and an cube modified polyurethane carrier are respectively arranged in the carrier ball outer shell, and a hollow carrier bracket is arranged in the carrier ball outer shell;
the method comprises the steps of adding the cube modified polyurethane carrier into a carrier ball shell, adhering the hollow cylindrical modified polyurethane carrier to a hollow carrier bracket in the carrier ball shell, restraining the cube modified polyurethane carrier in the carrier ball shell, forming a closed cavity inside the cube modified polyurethane carrier, and forming a cylindrical channel for water flow to pass through outside the cube modified polyurethane carrier.
Further, the carrier ball outer shell consists of two semi-hollow shells with the circumferential radius of 80-100 mm;
wherein the semi-hollow shell is made of PE, the thickness of the shell is 0.5-2mm, and the aperture of the top opening is 35-40mm.
Further, the hollow carrier support has an inner diameter of 35-40mm.
Further, the outer diameter of the hollow cylindrical modified polyurethane carrier is 35-40mm, the inner diameter of the hollow cylindrical modified polyurethane carrier is 8-10mm, and the length of the hollow cylindrical modified polyurethane carrier is equal to the circumferential diameter of the outer shell of the carrier ball.
Further, the cube modified polyurethane carrier is a cube with the side length of 10-20mm, and the adding quantity in the outer shell of the carrier ball is 10-20.
Compared with the prior art, the utility model provides a modified polyurethane microorganism carrier sphere, which has the following beneficial effects:
according to the modified polyurethane microbial carrier ball, the regular cube modified polyurethane carrier is added into the carrier ball outer shell, then the hollow cylindrical modified polyurethane carrier is bonded with the hollow carrier support in the carrier ball outer shell, the regular cube modified polyurethane carrier is restrained in the carrier ball outer shell, a closed cavity is formed inside the carrier ball outer shell, a cylindrical channel through which water flows is formed outside the carrier ball, the adhesion capability of microorganisms on the carrier can be enhanced, an external aerobic internal facultative microorganism living environment is formed, the nitrification and denitrification capabilities of the microorganisms on nitrogen substances in a water body are further enhanced, meanwhile, the structure has higher water flow passing rate, the mass transfer effect is enhanced, and an aged microbial film can fall off in time, so that the daily operation and maintenance are facilitated.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the present utility model;
FIG. 3 is a schematic view of the structure of the outer shell of the carrier sphere of the present utility model;
FIG. 4 is a schematic structural view of the hollow cylindrical modified polyurethane carrier of the present utility model;
fig. 5 is a schematic structural view of an cube-modified polyurethane carrier of the present utility model.
In the figure: 1 a carrier ball outer shell, 2 a hollow cylindrical modified polyurethane carrier and 3 a cube modified polyurethane carrier.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-5, a modified polyurethane microorganism carrier ball comprises a carrier ball outer shell 1, wherein a hollow cylindrical modified polyurethane carrier 2 and an cube modified polyurethane carrier 3 are respectively arranged in the carrier ball outer shell 1, a hollow carrier bracket is arranged in the carrier ball outer shell 1, wherein the cube modified polyurethane carrier 3 is added into the carrier ball outer shell 1, the hollow cylindrical modified polyurethane carrier 2 is bonded with the hollow carrier bracket in the carrier ball outer shell 1, the cube modified polyurethane carrier 3 is restrained in the carrier ball outer shell 1, a closed cavity is formed in the carrier ball outer shell, and a cylindrical channel through which water flows is formed outside.
In this embodiment, the carrier ball outer shell 1 consists of two half-hollow shells with a radius of 80 mm; wherein, the material of half hollow casing is the PE material, and casing thickness is 0.5mm, and top trompil aperture is 35mm, and the internal diameter of hollow carrier support is 35mm.
In the embodiment, the outer diameter of the hollow cylindrical modified polyurethane carrier 2 is 35mm, the inner diameter is 8mm, the length is equal to the circumferential diameter of the outer shell of the carrier ball, and the modified polyurethane carrier is made of modified polyurethane.
In this example, the cube-modified polyurethane carrier 3 is a cube with a side length of 10mm, and the number of the addition of the cube-modified polyurethane carrier to the carrier ball outer shell 1 is 10, and the cube-modified polyurethane carrier is made of modified polyurethane.
The hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 were both obtained by modification of a common polyurethane carrier having a specific surface area of 0.3m2/g, a pore volume of 0.01m3/kg, and an average pore diameter of 2mm.
The transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 comprises the following steps: and a layer of mixture prepared by mixing water-based polyurethane and tourmaline powder is adhered to the surface of the common polyurethane carrier, the mixture is absorbed to the surface of the common polyurethane carrier in an extrusion mode, and redundant mixture is discharged in an extrusion mode, so that the amount of the mixture in the common polyurethane carrier is controlled at 250kg/m < 3 >, and the mixture is put into a dryer for drying at the drying temperature of 90 ℃ for at least 4 hours.
The mixture in the transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 is prepared by mixing water-based polyurethane and tourmaline powder, wherein the adding amount of the tourmaline powder in the water-based polyurethane is 10g/100mL, and the mixture is stirred and mixed uniformly at normal temperature; wherein the particle size of tourmaline powder is 0.5-10um, and the middle particle size is controlled at 5um.
Embodiment two:
referring to fig. 1-5, a modified polyurethane microorganism carrier sphere comprises a carrier sphere outer shell 1, wherein a hollow cylindrical modified polyurethane carrier 2 and an cube modified polyurethane carrier 3 are respectively arranged in the carrier sphere outer shell 1, and a hollow carrier bracket is arranged in the carrier sphere outer shell 1; the method comprises the steps of adding an cube modified polyurethane carrier 3 into a carrier ball outer shell 1, adhering a hollow cylindrical modified polyurethane carrier 2 to a hollow carrier bracket in the carrier ball outer shell 1, restraining the cube modified polyurethane carrier 3 in the carrier ball outer shell 1, forming a closed cavity inside, and forming a cylindrical channel for water flow outside.
In this embodiment, the carrier ball outer shell 1 consists of two half-hollow shells with a circumference radius of 90 mm; wherein, the material of half hollow casing is the PE material, and casing thickness is 1mm, and top trompil aperture is 37mm, and the internal diameter of hollow carrier support is 37mm.
In the embodiment, the outer diameter of the hollow cylindrical modified polyurethane carrier 2 is 37mm, the inner diameter is 9mm, the length is equal to the circumferential diameter of the outer shell of the carrier ball, and the modified polyurethane carrier is made of modified polyurethane.
In this example, the cube-modified polyurethane carrier 3 is a cube with a side length of 15mm, and the number of the addition of the cube-modified polyurethane carrier 3 into the carrier ball outer shell 1 is 15, and the cube-modified polyurethane carrier is made of modified polyurethane.
The hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 were both obtained by modification of a common polyurethane carrier having a specific surface area of 0.35m2/g, a pore volume of 0.015m3/kg, and an average pore diameter of 3mm.
The transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 comprises the following steps: and a layer of mixture prepared by mixing water-based polyurethane and tourmaline powder is adhered to the surface of the common polyurethane carrier, the mixture is absorbed to the surface of the common polyurethane carrier in an extrusion mode, and redundant mixture is discharged in an extrusion mode, so that the amount of the mixture in the common polyurethane carrier is controlled at 350kg/m < 3 >, and the mixture is put into a dryer for drying at 93 ℃ for at least 4 hours.
The mixture in the transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 is prepared by mixing water-based polyurethane and tourmaline powder, wherein the adding amount of the tourmaline powder in the water-based polyurethane is 15g/100mL, and the mixture is stirred and mixed uniformly at normal temperature; wherein the particle size of tourmaline powder is 0.5-10um, and the middle particle size is controlled at 5.5um.
Embodiment III:
referring to fig. 1-5, a modified polyurethane microorganism carrier ball comprises a carrier ball outer shell 1, wherein a hollow cylindrical modified polyurethane carrier 2 and an cube modified polyurethane carrier 3 are respectively arranged in the carrier ball outer shell 1, a hollow carrier bracket is arranged in the carrier ball outer shell 1, wherein the cube modified polyurethane carrier 3 is added into the carrier ball outer shell 1, the hollow cylindrical modified polyurethane carrier 2 is bonded with the hollow carrier bracket in the carrier ball outer shell 1, the cube modified polyurethane carrier 3 is restrained in the carrier ball outer shell 1, a closed cavity is formed in the carrier ball outer shell, and a cylindrical channel through which water flows is formed outside.
In this embodiment, the carrier ball outer shell 1 consists of two half-hollow shells with a circumference radius of 100 mm; wherein, the material of half hollow casing is the PE material, and casing thickness is 2mm, and top trompil aperture is 40mm, and the internal diameter of hollow carrier support is 40mm.
In the embodiment, the outer diameter of the hollow cylindrical modified polyurethane carrier 2 is 40mm, the inner diameter is 10mm, the length is equal to the circumferential diameter of the outer shell of the carrier ball, and the modified polyurethane carrier is made of modified polyurethane.
In this example, the cube-modified polyurethane carrier 3 is a cube with a side length of 20mm, and the number of the addition of the cube-modified polyurethane carrier 3 into the carrier ball outer shell 1 is 20, and the cube-modified polyurethane carrier is made of modified polyurethane.
The hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 were both obtained by modification of a common polyurethane carrier having a specific surface area of 0.4m2/g, a pore volume of 0.02m3/kg, and an average pore diameter of 4mm.
The transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 comprises the following steps: and a layer of mixture prepared by mixing water-based polyurethane and tourmaline powder is adhered to the surface of the common polyurethane carrier, the mixture is absorbed to the surface of the common polyurethane carrier in an extrusion mode, and redundant mixture is discharged in an extrusion mode, so that the amount of the mixture in the common polyurethane carrier is controlled at 450kg/m < 3 >, and the mixture is put into a dryer for drying at the temperature of 95 ℃ for at least 4 hours.
The mixture in the transformation method of the hollow cylindrical modified polyurethane carrier 2 and the cube modified polyurethane carrier 3 is prepared by mixing waterborne polyurethane and tourmaline powder, wherein the adding amount of the tourmaline powder in the waterborne polyurethane is 20g/100mL, and the mixture is stirred and mixed uniformly at normal temperature; wherein the particle size of tourmaline powder is 0.5-10um, and the middle particle size is controlled at 6um.
The working principle of the embodiment is as follows:
when the utility model is used, the regular cube modified polyurethane carrier 3 is added into the carrier ball outer shell 1, then the hollow cylindrical modified polyurethane carrier 2 is bonded with the hollow carrier support in the carrier ball outer shell 1, the regular cube modified polyurethane carrier 3 is restrained in the carrier ball outer shell 1, a closed cavity is formed inside, a cylindrical channel through which water flows is formed outside, the adhesion capability of microorganisms on the carrier can be enhanced, and an external aerobic and internal facultative microorganism living environment is formed, the nitrification and denitrification capability of the microorganisms on nitrogen substances in a water body is further enhanced, meanwhile, the structure has higher water flow passing rate, the mass transfer effect is enhanced, and aged microbial films can fall off in time, and the daily operation and maintenance are facilitated.
It should be noted that, herein, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and simplification of description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A modified polyurethane microbial carrier sphere, characterized in that: the hollow cylindrical modified polyurethane carrier comprises a carrier ball outer shell (1), wherein a hollow cylindrical modified polyurethane carrier (2) and an cube modified polyurethane carrier (3) are respectively arranged in the carrier ball outer shell (1), and a hollow carrier bracket is arranged in the carrier ball outer shell (1);
the method comprises the steps of adding the cube modified polyurethane carrier (3) into a carrier ball outer shell (1), adhering the hollow cylindrical modified polyurethane carrier (2) to a hollow carrier bracket in the carrier ball outer shell (1), restraining the cube modified polyurethane carrier (3) in the carrier ball outer shell (1), forming a closed cavity inside, and forming a cylindrical channel for water flow outside.
2. A modified polyurethane microbial carrier sphere according to claim 1, wherein: the carrier ball outer shell (1) consists of two semi-hollow shells with the circumferential radius of 80-100 mm;
wherein the semi-hollow shell is made of PE, the thickness of the shell is 0.5-2mm, and the aperture of the top opening is 35-40mm.
3. A modified polyurethane microbial carrier sphere according to claim 1, wherein: the inner diameter of the hollow carrier bracket is 35-40mm.
4. A modified polyurethane microbial carrier sphere according to claim 1, wherein: the outer diameter of the hollow cylindrical modified polyurethane carrier (2) is 35-40mm, the inner diameter is 8-10mm, and the length is equal to the circumferential diameter of the outer shell of the carrier ball.
5. A modified polyurethane microbial carrier sphere according to claim 1, wherein: the cube modified polyurethane carrier (3) is a cube with the side length of 10-20mm, and the adding quantity in the carrier ball outer shell (1) is 10-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841561.5U CN220642789U (en) | 2023-07-13 | 2023-07-13 | Modified polyurethane microorganism carrier sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841561.5U CN220642789U (en) | 2023-07-13 | 2023-07-13 | Modified polyurethane microorganism carrier sphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220642789U true CN220642789U (en) | 2024-03-22 |
Family
ID=90290826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841561.5U Active CN220642789U (en) | 2023-07-13 | 2023-07-13 | Modified polyurethane microorganism carrier sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220642789U (en) |
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2023
- 2023-07-13 CN CN202321841561.5U patent/CN220642789U/en active Active
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