CN105508755B - A kind of sound-absorbing noise abatement multilayer blow-off pipe - Google Patents

A kind of sound-absorbing noise abatement multilayer blow-off pipe Download PDF

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Publication number
CN105508755B
CN105508755B CN201610030634.0A CN201610030634A CN105508755B CN 105508755 B CN105508755 B CN 105508755B CN 201610030634 A CN201610030634 A CN 201610030634A CN 105508755 B CN105508755 B CN 105508755B
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parts
layer
sound
layers
thickness
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CN105508755A (en
Inventor
黄永刚
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Kunshan Bacheng Delong Plastic Co Ltd
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Kunshan Bacheng Delong Plastic Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention is supplied to a kind of sound-absorbing noise abatement multilayer blow-off pipe, including tube body, the tube body includes the PE layers as main body, described PE layers is internally provided with graphite linings, and the graphite linings are internally provided with hydrophobic anti-corrosion layer, and outside PE layers described is equipped with flame retardant coating, the outside of the flame retardant coating is equipped with sound absorbing layer, PVDF layers are equipped with outside the sound absorbing layer, the PVDF layers of outside is equipped with puigging, and anti oxidation layer is equipped with outside the puigging.The blow-off pipe of the present invention, sandwich construction is for composite, is that a kind of service life is strong and multilayer blow-off pipe with sound-absorbing noise reduction function.

Description

A kind of sound-absorbing noise abatement multilayer blow-off pipe
Technical field
The present invention relates to a kind of blow-off pipe, and in particular to a kind of sound-absorbing noise abatement multilayer blow-off pipe.
Background technology
Plastic pipe has energy-saving material-saving, environmental protection, light compared with the pipelines such as traditional cast iron pipe, coating steel pipe, pipe of cement Matter is high-strength, corrosion-resistant, inner wall smooth non-scaling, the advantages that construction and maintenance are easy, service life is long, be widely used in building to Construction industry, municipal administration, the work such as draining, town and country plumbing, city gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation Industry and agriculture field.Plastic conduit is an important branch in the numerous parts of chemical building material, from use chemical materials Seen in different classifications, plastic conduit can be divided into polyethylene（PE）Pipe, polyvinyl chloride（PVC）Pipe, polypropylene（PP）Pipe, ABS pipes, gather Butylene（PB）Pipe etc..
PE pipelines have excellent performance, and construction is simple is reliable, easy to maintenance, service life length, and cost of investment is low etc. Advantage, is widely used in municipal works, residential quarters embedded underground draining blowdown at present；The pre-buried pipeline of highway；Farmland Water conservancy irrigation water delivery, water drainage；Chemical industry, mine are used for conveying of fluid etc..Current PE plastic conduits, especially heavy caliber It is swift and violent without pressure PE drainings blow-off pipe (PE pipes) development.
Blow-off pipe is compared with drainpipe, the requirement higher to pipeline, and the sewage discharged in blow-off pipe is compared to common For the water quality of drainpipe blowdown, its pollution level is even more serious, and a large amount of mud, dirt are often included in the sewage discharged in blow-off pipe The solid particles such as dirt, these solid particles make it that tube wall is more and more thinner, rough with pipe friction for a long time, it may appear that pipeline blocks up Plug or drainage, and the chemicals of some severe corrosives is even further included in sewage, the damage to pipeline is very serious, this Sample, integrates, and can seriously affect the service life of pipeline.Also, sewage in discharge process, can occur from pipeline with tube wall Collision, can produce very big noise, the life to people brings many discomforts, and people are chronically at noisy environment, to body Health also has harmful effect.
Therefore, in order to meet the needs of market, for the development of social economy, it is necessary to, develop a kind of service life The long blow-off pipe with sound-absorbing noise reduction function.
The content of the invention
Goal of the invention：It is an object of the present invention to solve the deficiency of the existing technology and provide a kind of suction of service life length Sound noise abatement multilayer blow-off pipe.
Technical solution：In order to realize the above object the present invention uses following technical scheme.
A kind of sound-absorbing noise abatement multilayer blow-off pipe, including tube body, the tube body include PE layers as main body, it is PE layers described in Portion is equipped with graphite linings, and the graphite linings are internally provided with hydrophobic anti-corrosion layer, and outside PE layers described is equipped with flame retardant coating, the fire resisting The outside of layer is equipped with sound absorbing layer, PVDF layers is equipped with outside the sound absorbing layer, the PVDF layers of outside is equipped with puigging, the sound insulation Layer is exterior to be equipped with anti oxidation layer；Described PE layers includes following component by weight ratio：
PE：120-140 parts；
EVA：8-10 parts；
TPX：8-10 parts；
FEP：3-5 parts；
Furfuryl alcohol furfural resin：6-8 parts；
Polyamide 66：2-3 parts；
Silicon powder：4-6 parts；
Polyvinyl formal acetal：3-5 parts；
Boron carbide：1-3 parts；
Carbon black：3-5 parts；
Talcum powder：2-3 parts；
Mica powder：2-4 parts；
Montmorillonite：2-3 parts；
Polymethyl methacrylate：6-8 parts；
Polyphenylene sulfide：3-5 parts；
PET：10-12 parts；
Poly glycol monomethyl ether：14-16 parts；
Polyetheretherketonefiber fiber：2-4 parts；
Nano silicon dioxide：2-4 parts；
Nano aluminium oxide：1-2 parts；
Methyl hydroxyethylcellulose：1-2 parts；
3- aminopropyl triethoxysilanes：3-5 parts；
Monostearin：1-2 parts；
Antioxidant 1010：0.8-1.0 parts.
Butyl acrylate：2-4 parts.
The hydrophobic anti-corrosion layer is polytetrafluoroethylene ethylene layer, and the thickness of the hydrophobic anti-corrosion layer is 1.2-1.4mm.Poly- four Vinyl fluoride, has splendid corrosion resistance and water proofing property, and chemical property is highly stable, is resistant to the hydrochloric acid, sulfuric acid, nitric acid of boiling And chloroazotic acid, also it is resistant to various concentrated bases and organic solvent, -260 DEG C of Applicable temperature -200 DEG C, decomposition temperature is 415 DEG C, therefore can be with Prevent the deep-etching of chemicals in sewage, further protect pipeline, while the material has splendid hydrophobicity, therefore sewage Discharge is more smooth, it is not easy to blocks.
The thickness of the graphite linings is 0.8-1.2mm.
The flame retardant coating is CR foamed cotton layers, and the thickness of the flame retardant coating is 0.8-1.0mm.
The sound absorbing layer is PET acoustical cotton layers, and the thickness of the sound absorbing layer is 1.2-1.4mm.
Thickness PVDF layers described is 1.2-1.4mm.
The puigging is PEVA rubber layers, and the thickness of the puigging is 0.8-1.2mm.
The anti oxidation layer is the anti-oxidant film layers of PASS, and the thickness of the anti oxidation layer is 0.8-1.0mm.
The inner wall smooth of the tube body, the outer wall of the tube body are equipped with helical corrugation.Inner wall smooth can cause sewage stream It is clear and coherent smooth, prevent from blocking, outer wall is equipped with helical corrugation, adds frictional force, can be anti-skidding, while is readily transported, uses, and also exists Scratch is prevented to a certain extent.
Preparation method PE layers described is as follows：
1) each component is weighed according to proportioning, is put into after mixing in dehumidifying air drier and dehumidifies at 85-95 DEG C Drying process, untill the water content of raw material is less than 300 mg/Kg；
2）Raw material after removal moisture drying is handled is uniformly mixed and pours into progressive melt pelletization in double screw extruder, Procession parameters are：Head pressure is 8-10MPa, and machine barrel is divided into four sections, temperature be followed successively by 165 DEG C, 175 DEG C, 185 DEG C, 195 ℃；Die head divides into 4 sections, and temperature is followed successively by 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, and extruder rotating speed is 20rad/min, Hauling speed is 100cm/min；
3）Then vacuum be 0.2-0.3 Mpa under, cooling water tank use spraying cooling by way of 20 DEG C into Row high-temperature quenching, enables tubing to cool down completely；Be then passed through franking, traction, cutting can obtain it is PE layers molding.
The sewage pipe of the present invention, in preparation process, is mainly that PE layers of preparation, PE layers prepare after again with other layers Carry out once-combined can be prepared by required sewage pipe.
Beneficial effect：Compared with prior art, the present invention has the following advantages：
1st, drainpipe of the invention, equipped with graphite linings so that the intensity of pipeline greatly enhances；It is thin in being internally provided with for pipeline Water anti-corrosion layer, can corrode pipeline to avoid the material of some severe corrosives in sewage, while waterproof, can cause dirt Water flowing is more easy, and sewage is not easy for a long time to be detained on inner-walls of duct, reduces the friction between solid particle and tube wall, Line clogging can be placed to a certain extent；Make its fire prevention, security enhancing, the PDVF layers being equipped with, enhancing equipped with flame retardant coating Its chemical resistance, heat-resisting quantity, oxidative resistance, weatherability, outside the radiance of resistance to ray；Anti oxidation layer has been equipped with, has been prevented Only pipeline aging；And sound absorbing layer and puigging are equipped with, there is sound-absorbing noise reduction function well, in short, composite construction causes The blow-off pipe of the present invention also has the additional functionalities such as sound-absorbing noise abatement while life；
2nd, blow-off pipe of the invention, using polytetrafluoroethylene (PTFE) as hydrophobic anti-corrosion layer, greatly improves dredging for tubing Water-based and corrosion resistance, further extends the service life of tubing；
3rd, drainpipe of the invention, the material that tubing uses all is asepsis environment-protecting material so that tubing in itself to environment without Pollution.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the embodiment of the present invention；
In figure：The hydrophobic anti-corrosion layers of 1-, 2- graphite linings, PE layers of 3-, 4- flame retardant coatings, 5- sound absorbing layers, 6-PVDF layers, 7- every Sound-absorbing layer, 8- anti oxidation layers.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail, but illustrates protection scope of the present invention at the same time simultaneously The specific scope of the present embodiment is not limited to, based on the embodiments of the present invention, those of ordinary skill in the art are not making All other embodiments obtained under the premise of creative work, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1：
A kind of sound-absorbing noise abatement multilayer blow-off pipe, including tube body, the tube body include the PE layers 3 as main body, the PE layers 3 Graphite linings 2 are internally provided with, the graphite linings 2 are internally provided with hydrophobic anti-corrosion layer 1, and the outside of the PE layers 3 is equipped with flame retardant coating 4, The outside of the flame retardant coating 4 is equipped with sound absorbing layer 5, and the outside of sound absorbing layer 5 is equipped with PVDF layers 6, outside the PVDF layers 6 equipped with every Sound-absorbing layer 7, the outside of puigging 7 are equipped with anti oxidation layer 8, and the inner wall smooth of the tube body, the outer wall of the tube body is equipped with spiral Ripple.
The hydrophobic anti-corrosion layer 1 is polytetrafluoroethylene ethylene layer, and the thickness of the hydrophobic anti-corrosion layer 1 is 1.2mm.
The thickness of the graphite linings 2 is 0.8mm.
The flame retardant coating 4 is CR foamed cotton layers, and the thickness of the flame retardant coating 4 is 0.8mm.
The sound absorbing layer 5 is PET acoustical cotton layers, and the thickness of the sound absorbing layer 5 is 1.2mm.
The thickness of the PVDF layers 6 is 1.2mm.
The puigging 7 is PEVA rubber layers, and the thickness of the puigging 7 is 0.8mm.
The anti oxidation layer 8 is the anti-oxidant film layers of PASS, and the thickness of the anti oxidation layer 8 is 0.8mm.
The PE layers 3 include following component by weight ratio：
PE：120 parts；
EVA：8 parts；
TPX：8 parts；
FEP：3 parts；
Furfuryl alcohol furfural resin：6 parts；
Polyamide 66：2 parts；
Silicon powder：4 parts；
Polyvinyl formal acetal：3 parts；
Boron carbide：1 part；
Carbon black：3 parts；
Talcum powder：2 parts；
Mica powder：2 parts；
Montmorillonite：2 parts；
Polymethyl methacrylate：6 parts；
Polyphenylene sulfide：3 parts；
PET：10 parts；
Poly glycol monomethyl ether：14 parts；
Polyetheretherketonefiber fiber：2 parts；
Nano silicon dioxide：2 parts；
Nano aluminium oxide：1 part；
Methyl hydroxyethylcellulose：1 part；
3- aminopropyl triethoxysilanes：3 parts；
Monostearin：1 part；
Antioxidant 1010：0.8 part.
Butyl acrylate：2 parts.
Embodiment 2
As shown in Figure 1：
A kind of sound-absorbing noise abatement multilayer blow-off pipe, including tube body, the tube body include the PE layers 3 as main body, the PE layers 3 Graphite linings 2 are internally provided with, the graphite linings 2 are internally provided with hydrophobic anti-corrosion layer 1, and the outside of the PE layers 3 is equipped with flame retardant coating 4, The outside of the flame retardant coating 4 is equipped with sound absorbing layer 5, and the outside of sound absorbing layer 5 is equipped with PVDF layers 6, outside the PVDF layers 6 equipped with every Sound-absorbing layer 7, the outside of puigging 7 are equipped with anti oxidation layer 8, and the inner wall smooth of the tube body, the outer wall of the tube body is equipped with spiral Ripple.
The hydrophobic anti-corrosion layer 1 is polytetrafluoroethylene ethylene layer, and the thickness of the hydrophobic anti-corrosion layer 1 is 1.3mm.
The thickness of the graphite linings 2 is 1.0mm.
The flame retardant coating 4 is CR foamed cotton layers, and the thickness of the flame retardant coating 4 is 0.9mm.
The sound absorbing layer 5 is PET acoustical cotton layers, and the thickness of the sound absorbing layer 5 is 1.3mm.
The thickness of the PVDF layers 6 is 1.3mm.
The puigging 7 is PEVA rubber layers, and the thickness of the puigging 7 is 1.0mm.
The anti oxidation layer 8 is the anti-oxidant film layers of PASS, and the thickness of the anti oxidation layer 8 is 0.9mm.
The PE layers 3 include following component by weight ratio：
PE：130 parts；
EVA：9 parts；
TPX：9 parts；
FEP：4 parts；
Furfuryl alcohol furfural resin：7 parts；
Polyamide 66：2.5 part；
Silicon powder：5 parts；
Polyvinyl formal acetal：4 parts；
Boron carbide：2 parts；
Carbon black：4 parts；
Talcum powder：2.5 part；
Mica powder：3 parts；
Montmorillonite：2.5 part；
Polymethyl methacrylate：7 parts；
Polyphenylene sulfide：4 parts；
PET：11 parts；
Poly glycol monomethyl ether：15 parts；
Polyetheretherketonefiber fiber：3 parts；
Nano silicon dioxide：3 parts；
Nano aluminium oxide：1.5 part；
Methyl hydroxyethylcellulose：1.5 part；
3- aminopropyl triethoxysilanes：4 parts；
Monostearin：1.5 part；
Antioxidant 1010：0.9 part.
Butyl acrylate：3 parts.
Embodiment 3
As shown in Figure 1：
A kind of sound-absorbing noise abatement multilayer blow-off pipe, including tube body, the tube body include the PE layers 3 as main body, the PE layers 3 Graphite linings 2 are internally provided with, the graphite linings 2 are internally provided with hydrophobic anti-corrosion layer 1, and the outside of the PE layers 3 is equipped with flame retardant coating 4, The outside of the flame retardant coating 4 is equipped with sound absorbing layer 5, and the outside of sound absorbing layer 5 is equipped with PVDF layers 6, outside the PVDF layers 6 equipped with every Sound-absorbing layer 7, the outside of puigging 7 are equipped with anti oxidation layer 8, and the inner wall smooth of the tube body, the outer wall of the tube body is equipped with spiral Ripple.
The hydrophobic anti-corrosion layer 1 is polytetrafluoroethylene ethylene layer, and the thickness of the hydrophobic anti-corrosion layer 1 is 1.4mm.
The thickness of the graphite linings 2 is 1.2mm.
The flame retardant coating 4 is CR foamed cotton layers, and the thickness of the flame retardant coating 4 is 1.0mm.
The sound absorbing layer 5 is PET acoustical cotton layers, and the thickness of the sound absorbing layer 5 is 1.4mm.
The thickness of the PVDF layers 6 is 1.4mm.
The puigging 7 is PEVA rubber layers, and the thickness of the puigging 7 is 1.2mm.
The anti oxidation layer 8 is the anti-oxidant film layers of PASS, and the thickness of the anti oxidation layer 8 is 1.0mm.
The PE layers 3 include following component by weight ratio：
PE：140 parts；
EVA：10 parts；
TPX：10 parts；
FEP：5 parts；
Furfuryl alcohol furfural resin：8 parts；
Polyamide 66：3 parts；
Silicon powder：6 parts；
Polyvinyl formal acetal：5 parts；
Boron carbide：3 parts；
Carbon black：5 parts；
Talcum powder：3 parts；
Mica powder：4 parts；
Montmorillonite：3 parts；
Polymethyl methacrylate：8 parts；
Polyphenylene sulfide：5 parts；
PET：12 parts；
Poly glycol monomethyl ether：16 parts；
Polyetheretherketonefiber fiber：4 parts；
Nano silicon dioxide：4 parts；
Nano aluminium oxide：2 parts；
Methyl hydroxyethylcellulose：2 parts；
3- aminopropyl triethoxysilanes：5 parts；
Monostearin：2 parts；
Antioxidant 1010：1.0 part.
Butyl acrylate：4 parts.
In above-described embodiment PE layers 3 prepare it is as follows：
1) each component is weighed according to proportioning, is put into after mixing in dehumidifying air drier and dehumidifies at 85-95 DEG C Drying process, untill the water content of raw material is less than 300 mg/Kg；
2）Raw material after removal moisture drying is handled is uniformly mixed and pours into progressive melt pelletization in double screw extruder, Procession parameters are：Head pressure is 8-10MPa, and machine barrel is divided into four sections, temperature be followed successively by 165 DEG C, 175 DEG C, 185 DEG C, 195 ℃；Die head divides into 4 sections, and temperature is followed successively by 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, and extruder rotating speed is 20rad/min, Hauling speed is 100cm/min；
3）Then vacuum be 0.2-0.3 Mpa under, cooling water tank use spraying cooling by way of 20 DEG C into Row high-temperature quenching, enables tubing to cool down completely；Be then passed through franking, traction, cutting can obtain molding PE layers 3.System It is standby go out 3 surface of PE layers it is smooth, the defects of no shrinkage cavity.
In above-described embodiment, when graphite linings 2, PE layers 3, flame retardant coating 4 are for composite, EVA resin was used to be bonded.
The blow-off pipe of above-described embodiment, based on PE pipes, material of main part PE, cost is relatively low, while is additionally provided with hydrophobic Anti-corrosion layer 1, graphite linings 2, flame retardant coating 4, sound absorbing layer 5, PVDF layers 6, puigging 7, anti oxidation layer 8, compensate for PE tubing in itself Deficiency, enhance the performances such as the hydrophobicity of pipeline, anticorrosive property, impact resistance, rigidity, intensity, wearability, substantially prolongs Its service life, and cause pipeline that there is sound-absorbing noise reduction function, have no adverse effects to surrounding environment and health.
Also, we are tested for the property the PE layers 3 being made：
Test result shows, the tensile yield strength ＞ 25Mpa of the PE layers 3 of above-described embodiment；Elongation at break ＞ 500%；20 DEG C of hydrostatic strengths（100h）：Do not rupture impermeable；80 DEG C of hydrostatic strengths（1000h）：Do not rupture impermeable；Oxygen Change induction time（200℃）＞ 30min；And can be with resistance to 220 DEG C of high temperature, the high pressure of resistance to 500KV.Therefore, as main body The performances of PE layers 3 be significantly larger than conventional PE blow-off pipes（Drainpipe）, so as to cause the compound drainage pipe globality of the present invention Conventional PE blow-off pipes can be also significantly larger than（Drainpipe）.
The blow-off pipe of the present invention, can be used for general sewage discharge, is used especially for containing the more dirt of solid particle Water discharges or the with serious pollution sewage discharge containing eroding chemical, suitable for residential block sewage discharge, noiseless influence, Use scope is extensive.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow be familiar with the skill of the technical field Art personnel can understand present disclosure and implement according to this, can not be limited the scope of the invention with this.All bases Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.

Claims (6)

  1. A kind of 1. sound-absorbing noise abatement multilayer blow-off pipe, it is characterised in that：Including tube body, the tube body includes the PE layers as main body （3）, it is PE layers described（3）It is internally provided with graphite linings（2）, the graphite linings（2）It is internally provided with hydrophobic anti-corrosion layer（1）, the PE Layer（3）Outside be equipped with flame retardant coating（4）, the flame retardant coating（4）Outside be equipped with sound absorbing layer（5）, the sound absorbing layer（5）Outside is set There are PVDF layers（6）, it is PVDF layers described（6）Outside is equipped with puigging（7）, the puigging（7）Outside is equipped with anti oxidation layer（8）； The hydrophobic anti-corrosion layer（1）For polytetrafluoroethylene ethylene layer, the hydrophobic anti-corrosion layer（1）Thickness be 1 .2-1 .4mm, it is described Graphite linings（2）Thickness be 0 .8-1 .2mm；The inner wall smooth of the tube body, the outer wall of the tube body are equipped with helical corrugation；Institute State PE layers（3）Include following component by weight ratio：
    PE：120-140 parts；
    EVA：8-10 parts；
    TPX：8-10 parts；
    FEP：3-5 parts；
    Furfuryl alcohol furfural resin：6-8 parts；
    Polyamide 66：2-3 parts；
    Silicon powder：4-6 parts；
    Polyvinyl formal acetal：3-5 parts；
    Boron carbide：1-3 parts；
    Carbon black：3-5 parts；
    Talcum powder：2-3 parts；
    Mica powder：2-4 parts；
    Montmorillonite：2-3 parts；
    Polymethyl methacrylate：6-8 parts；
    Polyphenylene sulfide：3-5 parts；
    PET：10-12 parts；
    Poly glycol monomethyl ether：14-16 parts；
    Polyetheretherketonefiber fiber：2-4 parts；
    Nano silicon dioxide：2-4 parts；
    Nano aluminium oxide：1-2 parts；
    Methyl hydroxyethylcellulose：1-2 parts；
    3- aminopropyl triethoxysilanes：3-5 parts；
    Monostearin：1-2 parts；
    Antioxidant 1010：0 .0 parts of .8-1；
    Butyl acrylate：2-4 parts；
    It is PE layers described（3）Preparation method it is as follows：
    1) each component is weighed according to proportioning, is put into after mixing in dehumidifying air drier and carries out removal moisture drying at 85-95 DEG C Processing, untill the water content of raw material is less than 300 mg/Kg；
    2）Raw material after removal moisture drying is handled is uniformly mixed and pours into progressive melt pelletization in double screw extruder, is extruded Technological parameter is：Head pressure is 8-10MPa, and machine barrel is divided into four sections, and temperature is followed successively by 165 DEG C, 175 DEG C, 185 DEG C, 195 DEG C； Die head divides into 4 sections, and temperature is followed successively by 215 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, and extruder rotating speed is 20rad/min, traction Speed is 100cm/min；
    3）Then in the case where vacuum is 0 .2-0 .3 Mpa, in 20 DEG C of progress by way of cooling water tank uses spraying cooling High-temperature quenching, enables tubing to cool down completely；Be then passed through franking, traction, cutting can obtain it is PE layers molding（3）.
  2. 2. sound-absorbing noise abatement multilayer blow-off pipe according to claim 1, it is characterised in that：The flame retardant coating（4）For CR foams Layer, the flame retardant coating（4）Thickness be 0 .8-1 .0mm.
  3. 3. sound-absorbing noise abatement multilayer blow-off pipe according to claim 1, it is characterised in that：The sound absorbing layer（5）For PET sound-absorbings Cotton layer, the sound absorbing layer（5）Thickness be 1 .2-1 .4mm.
  4. 4. sound-absorbing noise abatement multilayer blow-off pipe according to claim 1, it is characterised in that：It is PVDF layers described（6）Thickness be 1 .2-1 .4mm。
  5. 5. sound-absorbing noise abatement multilayer blow-off pipe according to claim 1, it is characterised in that：The puigging（7）For PEVA rubbers Mould layer, the puigging（7）Thickness be 0 .8-1 .2mm.
  6. 6. sound-absorbing noise abatement multilayer blow-off pipe according to claim 1, it is characterised in that：The anti oxidation layer（8）For PASS Anti-oxidant film layer, the anti oxidation layer（8）Thickness be 0 .8-1 .0mm.
CN201610030634.0A 2016-01-18 2016-01-18 A kind of sound-absorbing noise abatement multilayer blow-off pipe Expired - Fee Related CN105508755B (en)

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CN106351722A (en) * 2016-08-31 2017-01-25 芜湖恒耀汽车零部件有限公司 Sound-absorbing cotton for noise-reduction automobile exhaust pipe
CN106764122B (en) * 2016-12-20 2018-12-14 湘潭新奥燃气发展有限公司 A kind of municipal administration fuel gas conduit
CN108679322A (en) * 2018-06-01 2018-10-19 佛山市海烨精密塑料制管有限公司 A kind of high strength glass fiber plastic conduit

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CN101463158B (en) * 2008-12-31 2010-10-27 深圳市长园长通热缩材料有限公司 Not-stretching thermal shrinkage belt base material for pipeline corrosion protection and preparation thereof
JP5190426B2 (en) * 2009-08-31 2013-04-24 日本ポリエチレン株式会社 Polyethylene for hollow foam molding
CN103486355A (en) * 2013-08-28 2014-01-01 临沂东立塑胶建材有限公司 Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof
CN204004845U (en) * 2014-08-08 2014-12-10 嘉兴市金阳塑胶管业有限公司 The non-excavation pipeline of the scratch resistant plastics of a kind of appearance
CN204004855U (en) * 2014-08-13 2014-12-10 嘉兴市金阳塑胶管业有限公司 A kind of novel plastic sound insulation water pipe
CN204004832U (en) * 2014-08-13 2014-12-10 嘉兴市金阳塑胶管业有限公司 A kind of novel plastic hot-water line
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