CN116985368A - High-molecular polymer aeration pipe and preparation method and application thereof - Google Patents
High-molecular polymer aeration pipe and preparation method and application thereof Download PDFInfo
- Publication number
- CN116985368A CN116985368A CN202310857512.9A CN202310857512A CN116985368A CN 116985368 A CN116985368 A CN 116985368A CN 202310857512 A CN202310857512 A CN 202310857512A CN 116985368 A CN116985368 A CN 116985368A
- Authority
- CN
- China
- Prior art keywords
- aeration pipe
- preparation
- pipe
- molecular polymer
- polyethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 62
- 229920000642 polymer Polymers 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 18
- 238000005276 aerator Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 5
- -1 polypropylene Polymers 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 24
- 239000006229 carbon black Substances 0.000 claims description 21
- 239000000155 melt Substances 0.000 claims description 19
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 17
- 239000004743 Polypropylene Substances 0.000 claims description 14
- 229920001903 high density polyethylene Polymers 0.000 claims description 14
- 239000004700 high-density polyethylene Substances 0.000 claims description 14
- 229920001684 low density polyethylene Polymers 0.000 claims description 14
- 239000004702 low-density polyethylene Substances 0.000 claims description 14
- 229920001155 polypropylene Polymers 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to the field of sewage treatment, and particularly relates to a high molecular polymer aeration pipe, and a preparation method and application thereof. The preparation method provided by the invention comprises the following steps: and mixing the hydrophobic plastic raw materials, then melting, blending and extruding, spraying to form fibers, then winding and forming the sprayed fiber filaments on a receiving die, and cooling to obtain the high-molecular polymer aerator pipe. The technical scheme provided by the invention solves the defects that the common rubber material aeration pipe has large resistance loss, the open hole position is easy to tear, and the anchor ear is easy to fall off during installation, and the prepared high polymer aeration pipe has excellent mechanical property, small resistance loss, small micropores, uniform air outlet, convenient installation, and obvious advantages in the aspects of service life, energy conservation, consumption reduction, stable operation and operation cost reduction.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a high molecular polymer aeration pipe, and a preparation method and application thereof.
Background
The common sewage treatment method often comprises an aerobic biological treatment process, and the process needs to supply oxygen and aerate to the sewage, so that on one hand, the mixed effect is achieved, and on the other hand, the needed oxygen is provided for the growth of microorganisms. At present, an aeration system of an aeration tank is widely used, and an aeration pipe is arranged at the bottom of the tank, namely, purified air is provided by an air blower and is sent to the aeration pipe at the bottom of the biological tank through a pipeline system.
The aeration pipe adopted in the market is usually made of rubber materials such as ethylene propylene diene monomer rubber, silicon rubber and the like, rubber is required to be manufactured into a rubber pipe by means of banburying, mixing, blending, vulcanization, extrusion molding and the like, and then mechanical equipment is adopted to open small holes to meet the aeration requirement in order to enable the rubber product to be more suitable for complex and changeable sewage treatment environments. The inner plastic perforated pipe is fixed through the anchor ear, the fastening safety is not high, the rubber aeration membrane is easy to fall off in the use process, and meanwhile, the rubber aeration membrane is poor in oil resistance, tear resistance and chemical corrosion resistance, easy to age, easy to block, short in service life and inconvenient to maintain and repair.
Disclosure of Invention
In view of the above, the invention aims to provide a high polymer aeration pipe, a preparation method and application thereof, and the high polymer aeration pipe solves the defects that the common rubber material aeration pipe has large resistance loss, the open pore position is easy to tear and the anchor ear is easy to fall off during installation.
The invention provides a preparation method of a high molecular polymer aerator pipe, which comprises the following steps:
and mixing the hydrophobic plastic raw materials, then melting, blending and extruding, spraying to form fibers, then winding and forming the sprayed fiber filaments on a receiving die, and cooling to obtain the high-molecular polymer aerator pipe.
Preferably, the hydrophobic plastic material comprises high density polyethylene, low density polyethylene, polypropylene and polyethylene carbon black masterbatch.
Preferably, the density of the high-density polyethylene is 941-960 kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the high-density polyethylene is 15-25 g/10min.
Preferably, the density of the low-density polyethylene is 910-930 kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the low density polyethylene is 40-60 g/10min.
Preferably, the polypropylene has a density of 890 to 910kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polypropylene is 30-45 g/10min.
Preferably, the density of the polyethylene carbon black masterbatch is 1000-1400 kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polyethylene carbon black masterbatch is 20-35 g/10min; the carbon black content of the polyethylene carbon black masterbatch is 40-60 wt%.
Preferably, the hydrophobic plastic raw materials comprise 40-70% of high-density polyethylene, 10-40% of low-density polyethylene, 10-40% of polypropylene and 1-10% of polyethylene carbon black masterbatch in percentage by mass.
Preferably, the inner diameter of the high polymer aeration pipe is 27-285 mm; the thickness of the high polymer aeration pipe is 5-20 mm; the aperture of the high molecular polymer aerator pipe is 5-80 mu m.
The invention also provides a high polymer aeration pipe prepared by the preparation method according to the technical scheme.
The invention also provides an aeration system, which is provided with the high polymer aeration pipe according to the technical scheme.
Compared with the prior art, the invention provides a high molecular polymer aeration pipe and a preparation method and application thereof. The preparation method provided by the invention comprises the following steps: and (3) melting and blending the hydrophobic plastic raw materials, spraying to form fibers, then rolling and forming the sprayed fiber filaments on a receiving die, and cooling to obtain the high-molecular polymer aerator pipe. The technical scheme provided by the invention solves the defects that the common rubber material aeration pipe has large resistance loss, the open hole position is easy to tear, and the anchor ear is easy to fall off during installation, and the prepared high polymer aeration pipe has excellent mechanical property, small resistance loss, small micropores, uniform air outlet, convenient installation, and obvious advantages in the aspects of service life, energy conservation, consumption reduction, stable operation and operation cost reduction. More specifically, the technical scheme of the invention has the following advantages:
1) The adopted plastic raw materials are all hydrophobic materials, are not easy to scale and adhere to sludge, and have good anti-pollution performance.
2) The aeration pipe is prepared by adopting the modes of blending extrusion, melt spinning and winding forming, and the prepared aeration pipe has higher porosity and uniform aperture, and the aperture range is adjustable; the pore diameter of the aeration pipe is stable and does not change along with the pressure; the aerator pipe has accurate size, high mechanical strength and good ageing resistance; the oxygen-enriched air-conditioning device has the advantages of low energy consumption, good mechanical stability, small and evenly distributed generated bubbles, good oxygenation effect, corrosion resistance, difficult blockage, capability of meeting the requirement of long-term use and the like.
3) The method avoids the poor tear resistance caused by secondary mechanical opening of the rubber aeration pipe, and the formed aeration holes are more uniform and smaller in aperture, thereby being beneficial to dissolution and transfer of oxygen in water and being beneficial to being utilized by microorganisms.
4) The aeration pipe can form an aeration system with common pipe fittings which are easy to obtain in the market, and the cost is low and the popularization is easy.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a preparation method of a high molecular polymer aerator pipe, which comprises the following steps:
and mixing the hydrophobic plastic raw materials, then melting, blending and extruding, spraying to form fibers, then winding and forming the sprayed fiber filaments on a receiving die, and cooling to obtain the high-molecular polymer aerator pipe.
In the preparation method provided by the invention, the hydrophobic plastic raw material preferably comprises high-density polyethylene, low-density polyethylene, polypropylene and polyethylene carbon black masterbatch.
In the preparation method provided by the invention, the density of the high-density polyethylene is preferably 941-960 kg/m 3 Most preferably 954kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the high density polyethylene is preferably 15 to 25g/10min, most preferably 20g/10min.
In the preparation method provided by the invention, the content of the high-density polyethylene in the hydrophobic plastic raw material is preferably 40-70 wt%, and most preferably 55wt%.
In the preparation method provided by the invention, the density of the low-density polyethylene is preferably 910-930 kg/m 3 Most preferably 916kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the low density polyethylene is preferably 40 to 60g/10min, most preferably 50g/10min.
In the preparation method provided by the invention, the content of the low-density polyethylene in the hydrophobic plastic raw material is preferably 10-40 wt%, and most preferably 20wt%.
In the preparation method provided by the invention, the density of the polypropylene is preferably 890-910 kg/m 3 Most preferably 900kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polypropylene is preferably 30 to 45g/10min, most preferably 38g/10min.
In the preparation method provided by the invention, the content of the polypropylene in the hydrophobic plastic raw material is preferably 10-40 wt%, and most preferably 19wt%.
In the preparation method provided by the invention, the density of the polyethylene carbon black masterbatch is preferably 1000-1400 kg/m 3 Most preferably 1200kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polyethylene carbon black masterbatch is preferably 20-35 g/10min, most preferably 27g/10min; the carbon black content of the polyethylene carbon black masterbatch is preferably 40 to 60wt%, most preferably 50wt%.
In the preparation method provided by the invention, the content of the polyethylene carbon black masterbatch in the hydrophobic plastic raw material is preferably 1-10wt%, and most preferably 6wt%.
In the preparation method provided by the invention, after the hydrophobic plastic raw materials are uniformly mixed, the hydrophobic plastic raw materials are preferably fed into a melt blending device in a negative pressure feeding mode, and the melt blending device is preferably an extruder.
In the preparation method provided by the invention, the temperature of the melt blending extrusion is preferably 180-220 ℃, and most preferably 200 ℃.
In the preparation method provided by the invention, the spray forming specifically refers to forming fibers through spray traction. In the invention, the diameter of the fiber and the aperture size of the aerator pipe can be adjusted by adjusting the distance of the jet traction and/or the rotating speed of the receiving die.
In the preparation method provided by the invention, the inner diameter of the high polymer aeration pipe can be selected according to the design requirements of different aeration systems, and the high polymer aeration pipe comprises 27-285 mm, and can be 27mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 90mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm, 220mm, 240mm, 260mm or 280mm; the thickness of the high polymer aeration pipe is preferably 5-20 mm, specifically can be 5mm, 8mm, 10mm, 12mm, 15mm, 18mm or 20mm, and is most preferably 10mm; the pore diameter of the high molecular polymer aerator pipe is preferably 5 to 80. Mu.m, specifically 5 μm, 10 μm, 15 μm, 20 μm, 25 μm, 30 μm, 35 μm, 40 μm, 45 μm, 50 μm, 55 μm, 60 μm, 65 μm, 70 μm, 75 μm or 80 μm, and most preferably 50 μm.
In the preparation method provided by the invention, the method preferably further comprises the step of cutting the prepared high polymer aeration pipe to obtain the aeration pipe with the required length.
The invention also provides a high polymer aeration pipe prepared by the preparation method according to the technical scheme.
The invention also provides an aeration system, which is provided with the high polymer aeration pipe according to the technical scheme.
The technical scheme provided by the invention solves the defects that the common rubber material aeration pipe has large resistance loss, the open hole position is easy to tear, and the anchor ear is easy to fall off during installation, and the prepared high polymer aeration pipe has excellent mechanical property, small resistance loss, small micropores, uniform air outlet, convenient installation, and obvious advantages in the aspects of service life, energy conservation, consumption reduction, stable operation and operation cost reduction. More specifically, the technical scheme of the invention has the following advantages:
1) The adopted plastic raw materials are all hydrophobic materials, are not easy to scale and adhere to sludge, and have good anti-pollution performance.
2) The aeration pipe is prepared by adopting a melt spinning and winding forming mode, and the prepared aeration pipe has higher porosity and uniform aperture, and the aperture range is adjustable; the pore diameter of the aeration pipe is stable and does not change along with the pressure; the aerator pipe has accurate size, high mechanical strength and good ageing resistance; the oxygen-enriched air-conditioning device has the advantages of low energy consumption, good mechanical stability, small and evenly distributed generated bubbles, good oxygenation effect, corrosion resistance, difficult blockage, capability of meeting the requirement of long-term use and the like.
3) The method avoids the poor tear resistance caused by secondary mechanical opening of the rubber aeration pipe, and the formed aeration holes are more uniform and smaller in aperture, thereby being beneficial to dissolution and transfer of oxygen in water and being beneficial to being utilized by microorganisms.
4) The aeration pipe can form an aeration system with common pipe fittings which are easy to obtain in the market, and the cost is low and the popularization is easy.
For clarity, the following examples are provided in detail.
Example 1
The preparation method of the high molecular polymer aerator pipe comprises the following specific steps:
(1) Preparing materials: 55wt% of high-density polyethylene, 20wt% of low-density polyethylene, 19wt% of polypropylene and 6wt% of polyethylene carbon black masterbatch; wherein the density of the high-density polyethylene is 954kg/m 3 The melt flow rate is 20g/10min; the density of the low-density polyethylene is 916kg/m 3 The melt flow rate is 50g/10min; the density of the polypropylene is 900kg/m 3 The melt flow rate is 38g/10min; the density of the polyethylene carbon black masterbatch is 1200kg/m 3 The melt flow rate was 27g/10min and the carbon black content was 50%.
(2) The raw materials are added into a mixing barrel according to a certain proportion, and are uniformly mixed, then the mixture enters an extruder in a negative pressure feeding mode, is melted and extruded at the temperature of 200 ℃, is formed into fibers through jet traction, is rolled and formed on a receiving die, and is cooled and shaped to obtain the high polymer aeration pipe (the inner diameter R is 65mm, the outer diameter R is 85mm, the thickness W is 10mm, and the aperture is 50 mu m).
(3) Cutting the prepared high polymer aeration pipe by a cutter to obtain the high polymer aeration pipe with the length L of 1000 mm.
(4) The aeration pipe of the high polymer is combined with UPVC and ABS pipes and pipe fittings which are common in the market to be used as an aeration system for sewage treatment; through tests, the oxygen utilization rate of the rubber aerator can reach 25-35%, the bubble diameter is 0.5-2 mm, and the pressure loss is 100-250 mm water column, and the rubber aerator can replace the existing rubber aerator.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The preparation method of the high polymer aeration pipe is characterized by comprising the following steps:
and mixing the hydrophobic plastic raw materials, then melting, blending and extruding, spraying to form fibers, then winding and forming the sprayed fiber filaments on a receiving die, and cooling to obtain the high-molecular polymer aerator pipe.
2. The method of claim 1, wherein the hydrophobic plastic feedstock comprises high density polyethylene, low density polyethylene, polypropylene, and polyethylene carbon black masterbatch.
3. The process according to claim 2, wherein the high-density polyethylene has a density of 941 to 960kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the high-density polyethylene is 15-25 g/10min.
4. The method according to claim 2, wherein the low-density polyethylene has a density of 910 to 930kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the low density polyethylene is 40-60 g/10min.
5. The process according to claim 2, wherein the polypropylene has a density of 890 to 910kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polypropylene is 30-45 g/10min.
6. The method according to claim 2, wherein the polyethylene carbon black masterbatch has a density of 1000 to 1400kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the The melt flow rate of the polyethylene carbon black masterbatch is 20-35 g/10min; the carbon black content of the polyethylene carbon black masterbatch is 40-60 wt%.
7. The preparation method according to claim 2, wherein the hydrophobic plastic raw materials comprise, in mass percent, 40-70% of high-density polyethylene, 10-40% of low-density polyethylene, 10-40% of polypropylene and 1-10% of polyethylene carbon black masterbatch.
8. The preparation method according to claim 1, wherein the inner diameter of the high molecular polymer aeration pipe is 27-285 mm; the thickness of the high polymer aeration pipe is 5-20 mm; the aperture of the high molecular polymer aerator pipe is 5-80 mu m.
9. A high molecular polymer aeration pipe, characterized in that it is produced by the production method according to any one of claims 1 to 8.
10. An aeration system, characterized in that the aeration system is provided with the high molecular polymer aeration pipe according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857512.9A CN116985368A (en) | 2023-07-13 | 2023-07-13 | High-molecular polymer aeration pipe and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310857512.9A CN116985368A (en) | 2023-07-13 | 2023-07-13 | High-molecular polymer aeration pipe and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116985368A true CN116985368A (en) | 2023-11-03 |
Family
ID=88522431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310857512.9A Pending CN116985368A (en) | 2023-07-13 | 2023-07-13 | High-molecular polymer aeration pipe and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116985368A (en) |
-
2023
- 2023-07-13 CN CN202310857512.9A patent/CN116985368A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6231942B1 (en) | Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby | |
| CN104558780B (en) | High-density polyethylene microporous foamed tube and preparation method thereof | |
| JP6869307B2 (en) | Microbial carrier | |
| EP1040158A1 (en) | Microcellular foam extrusion/blow molding process and article made thereby | |
| CN108530752B (en) | Micro-foaming continuous long glass fiber reinforced polypropylene composite material and preparation method and application thereof | |
| CN101735507A (en) | Method for preparing complexing nano expanded polypropylene (NEPP) insulating material | |
| JPH10257885A (en) | Microorganism immobilized carrier for fluidized bed | |
| CN102952322B (en) | Defoaming master batch for rotational molding and preparation method thereof | |
| CN102453278B (en) | Foam polypropylene material in pulsating shear force field and preparation method thereof | |
| CN116985368A (en) | High-molecular polymer aeration pipe and preparation method and application thereof | |
| CN115232396A (en) | Polypropylene composite material, automobile air pipe and preparation method thereof | |
| CN101203552A (en) | Constructional heat-insulating foam board and process for production thereof | |
| CN110256840B (en) | Preparation method of foamed nylon plate | |
| CN108530746A (en) | A kind of preparation method based on draft flowing deformation technology foaming polypropylene sheet | |
| JP2003055562A (en) | Extruded molding and method for producing the same | |
| CN111019240B (en) | Polypropylene composite material for injection molding foaming and preparation method thereof | |
| CN1264763C (en) | Self-closing perforated aeration pipe | |
| JP2001191388A (en) | Extrusion-foamed body and its manufacturing method | |
| CN115448449B (en) | Denitrification carrier, and preparation method, device and application thereof | |
| JP3912442B2 (en) | Method for producing polymer porous tubular membrane | |
| CN112442250A (en) | Composition for preparing glass fiber reinforced polypropylene material, material prepared from composition and application of material | |
| CN115504570B (en) | Autotrophic denitrification process device and sewage treatment method | |
| CN113117533B (en) | Polyvinylidene fluoride hollow fiber microfiltration membrane and preparation method thereof | |
| KR102556301B1 (en) | Ultrahigh molecular weight polyethylene-based hollow fiber membrane and preparation method thereof | |
| CN116904024B (en) | Microporous polyamide composite material and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |