CN116877795A - Basalt oil pipeline - Google Patents

Basalt oil pipeline Download PDF

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Publication number
CN116877795A
CN116877795A CN202310835086.9A CN202310835086A CN116877795A CN 116877795 A CN116877795 A CN 116877795A CN 202310835086 A CN202310835086 A CN 202310835086A CN 116877795 A CN116877795 A CN 116877795A
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Prior art keywords
basalt
introducing
layer
basalt fiber
pipeline
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CN202310835086.9A
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Inventor
刘嘉麒
任东强
朱泽阳
谭鑫
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Xingan League Shiyuan Basalt Fiber Engineering Technology Research Institute
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Xingan League Shiyuan Basalt Fiber Engineering Technology Research Institute
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Priority to CN202310835086.9A priority Critical patent/CN116877795A/en
Publication of CN116877795A publication Critical patent/CN116877795A/en
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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
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/40—Organo-silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/42—Coatings containing inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/465—Coatings containing composite materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/46—Rock wool ; Ceramic or silicate fibres
    • C04B14/4643—Silicates other than zircon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/12—Condensation polymers of aldehydes or ketones
    • C04B26/122—Phenol-formaldehyde condensation polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/10—Silicon-containing compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients

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  • General Engineering & Computer Science (AREA)
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Abstract

The invention provides a basalt oil pipeline which comprises an inner layer, a basalt fiber reinforced layer and an outer layer, wherein main materials of the inner layer and the outer layer are independently selected from polyurethane, polyimide and other materials, and the basalt oil pipeline has good corrosion resistance. The basalt fiber reinforced layer is a composite material woven by basalt fibers, and has good strength and rigidity; the basalt fiber is a renewable resource, and the oil pipeline manufactured by using the basalt fiber can reduce the dependence on non-renewable resources, promote sustainable development, and has lighter weight, lower construction cost and transportation cost compared with the traditional steel pipeline, and the basalt fiber pipeline can be prefabricated into long sections, reduce the time and labor cost of field installation and is convenient to install.

Description

Basalt oil pipeline
Technical Field
The invention relates to the field of petroleum transportation, in particular to a basalt oil pipeline.
Background
The oil delivery pipe currently in use has some problems in the actual use process. The structural integrity is poor, the capability of the pipeline for bearing pressure change is poor, and particularly under the conditions of increased flow and pressure of crude oil conveyed in a short pipe, high-pressure crude oil in the pipe squeezes an inner adhesive layer and other reinforcing layers outside the inner adhesive layer from inside to outside to form cracks at the end part, so that crude oil is leaked; the oil delivery hose in a use state bears larger tension change, so that each layer in the hose bears internal pressure with certain strength, and the anti-internal pressure and tensile properties of the pipeline directly influence the instant stretching rate and the impact resistance of the oil delivery hose.
Disclosure of Invention
The invention provides a basalt oil pipeline which comprises an inner layer, a basalt fiber reinforced layer and an outer layer, wherein main materials of the inner layer and the outer layer are independently selected from polyurethane, polyimide and other materials, and the basalt oil pipeline has good corrosion resistance. The basalt fiber reinforced layer is a composite material woven by basalt fibers, and has good strength and rigidity; the basalt fiber is a renewable resource, and the oil pipeline manufactured by using the basalt fiber can reduce the dependence on non-renewable resources, promote sustainable development, and has lighter weight, lower construction cost and transportation cost compared with the traditional steel pipeline, and the basalt fiber pipeline can be prefabricated into long sections, reduce the time and labor cost of field installation and is convenient to install.
The basalt oil pipeline comprises an inner layer, a basalt fiber reinforced layer and an outer layer, wherein polymer materials of the inner layer and the outer layer independently comprise main materials, modifiers and assistants, and the basalt fiber reinforced layer is a composite material woven by basalt fibers, and is characterized in that the basalt oil pipeline is prepared by the following steps:
1) Crushing basalt ores into particles, and adding 2-4wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
2) Placing basalt fibers in a tube furnace, introducing reducing gas, heating for a preset time, introducing mixed gas of monosilane and acetylene, heating for a preset time, stopping introducing monosilane, continuing introducing acetylene, and continuing heating for a preset time to obtain basalt fibers coated by silicon carbide and carbon;
3) Spinning a plurality of basalt fibers obtained in the step 2) to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; taking out and drying;
4) Immersing the fiber cloth in the step 3) with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, and hot-pressing through a forming die to prepare a laminated pipe;
5) And hot-press molding the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a molding die to obtain the basalt oil pipeline.
Further, the mass ratio of the main material, the modifier, the elastomer and the auxiliary agent is 100:5-10:15-20:3-5; the main material is at least one selected from polyurethane and polyimide; the modifier is at least one selected from polybutylene terephthalate and polyethylene terephthalate; the elastomer is selected from ethylene propylene diene monomer; the auxiliary agent comprises a temperature-resistant anti-aging agent and a lubricant; the temperature-resistant anti-aging agent is at least one of phosphite antioxidants and hindered phenol antioxidants, and the lubricant is at least one of ethylene bis-stearamide and calcium stearate.
Further, the inner layer and the outer layer of polymer material are prepared by weighing main materials, modifiers, elastomers and auxiliary agents in proportion; adding the raw materials into a high-speed mixer, mixing for 20-30 minutes to obtain a blending material, adding the blending material into a double-screw extruder, carrying out melt extrusion at the temperature of 200-225 ℃, and cooling and granulating.
Further, wherein in step 2): placing basalt fiber into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 3-5% by volume, heating for 0.5-1h at 300-350 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350-400 ℃ for 6-12h, stopping introducing monosilane, continuing introducing acetylene gas, and heating at 350-400 ℃ for 4-6h to obtain the basalt fiber coated by silicon carbide and carbon.
Further, in the step 3), the immersion liquid includes: 2-2.5 parts by mass of silane coupling agent KH-550,1.2-1.5 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water.
Further, in the step 4), the hot pressing temperature is 150-160 ℃ and the pressure is 30-40MPa.
Further, in the step 5), the hot pressing temperature is 160-180 ℃ and the pressure is 30-40MPa.
The beneficial technical effects of the invention
1) The manufacturing of the oil pipeline by using basalt fibers has the following advantages: corrosion resistance: basalt fibers are resistant to attack by chemicals and seawater and are therefore suitable for transporting petroleum and gas in marine or other corrosive environments. High strength and stiffness: basalt fiber is a high strength, high stiffness material that can withstand high pressures and heavy loads. And (3) light weight: compared with the traditional steel pipeline, the basalt fiber pipeline has lighter weight, and reduces the construction cost and the transportation cost. The installation is convenient: the basalt fiber pipeline can be prefabricated into long sections, so that the time and labor cost of field installation are reduced. Sustainable development: basalt fiber is a renewable resource, and the use of basalt fiber to manufacture oil pipelines can reduce the dependence on non-renewable resources and promote sustainable development.
2) The inventor finds that the surface of the basalt fiber is coated with silicon carbide, so that the mechanical property of the basalt fiber is improved, after the basalt is doped with TiO2, simple substance particles can be generated on the surface of the basalt through reduction in a reducing atmosphere, monosilane and acetylene can be catalyzed to precipitate around the basalt particles at high temperature, and the coating effect is improved.
3) Compared with the surface-coated silicon carbide material, when the outer surface is made of the carbon material, the sizing agent can improve the bundling capacity of hundreds or even thousands of basalt filaments in basalt coarse fibers, and simultaneously improve the chemical bonding capacity between the basalt fibers and other materials and the mechanical property of the composite material.
Examples
The present invention will be described more specifically with reference to examples and comparative examples, but the present invention is not limited to these examples within the scope of the present invention.
Example 1
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 2wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fiber into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 3% by volume, heating for 0.5h at 300 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 12 hours, stopping introducing monosilane, continuing introducing acetylene gas, and heating at 350 ℃ for 4 hours to obtain basalt fibers coated by silicon carbide and carbon;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2 parts by mass of silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Example 2
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 4wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fiber into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 5% by volume, heating at 300 ℃ for 0.5-1h, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 400 ℃ for 12 hours, stopping introducing monosilane, continuing introducing acetylene gas, and heating at 400 ℃ for 6 hours to obtain basalt fibers coated by silicon carbide and carbon;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.5 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Example 3
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 3wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fibers into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 4% by volume, heating for 1h at 300 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours, stopping introducing monosilane, continuing introducing acetylene gas, and heating at 350 ℃ for 6 hours to obtain basalt fibers coated by silicon carbide and carbon;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 1
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
4) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
5) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 2
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Basalt fibers are placed in a tube furnace, and the volume ratio of the basalt fibers is 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours to obtain basalt fiber coated by silicon carbide and carbon in a composite manner;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 3
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 3wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Basalt fibers are placed in a tube furnace, and the volume ratio of the basalt fibers is 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours to obtain basalt fiber coated by silicon carbide and carbon in a composite manner;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 4
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fibers into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 4% by volume, heating for 1h at 300 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours to obtain basalt fiber coated by silicon carbide and carbon in a composite manner;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 5
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 3wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fibers into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 4% by volume, heating for 1h at 300 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours to obtain basalt fiber coated by silicon carbide and carbon in a composite manner;
4) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
5) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Comparative example 6
1) Weighing polyurethane, polybutylene terephthalate, ethylene propylene diene monomer, phosphite antioxidant and ethylene bis stearamide according to the mass ratio of 100:8:20:2:2; adding the raw materials into a high-speed mixer to mix for 30 minutes to obtain a blended material, adding the blended material into a double-screw extruder, carrying out melt extrusion, wherein the melt temperature is 200 ℃, the extrusion temperature is 225 ℃, and cooling and granulating to obtain an inner layer material and an outer layer material;
2) Crushing basalt ores into particles, and adding 3wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
3) Putting basalt fibers into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 4% by volume, heating for 1h at 300 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350 ℃ for 10 hours to obtain basalt fibers coated with silicon carbide;
4) Spinning a plurality of basalt fibers to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; the impregnating solution comprises the following components: 2.5 parts by mass of a silane coupling agent KH-550,1.2 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water; taking out and drying;
5) Immersing the fiber cloth with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, hot-pressing by a forming die at 160 ℃ and 30MPa to prepare a laminated tube;
6) Hot-pressing the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a forming die, wherein the hot-pressing temperature is 180 ℃ and the pressure is 30MPa; and obtaining the basalt oil pipeline.
Experimental effect
The tensile strength, notched impact strength, according to ISO-527, and notched impact according to ISO180 were tested for the present examples and comparative examples.
The test results are shown in Table 1 below:
TABLE 1
As can be seen from the comparison of the data of the examples and the data of the comparative examples 1-2, the coating of the silicon carbide can improve the mechanical properties of the material, and the data of the comparative examples 2-3 show that the simple addition of ferric oxide changes the iron content of basalt, the mechanical properties are not positively influenced, the mechanical properties are almost unchanged, the basalt subjected to hydrogen reduction can improve the coating effect of the silicon carbide, the data of the comparative examples 3-4 show that the synergistic effect of the addition of ferric oxide and the hydrogen reduction can obviously improve the coating effect of the silicon carbide, and the data of the comparative examples 5-6 show that compared with the external coating of the silicon carbide, when the basalt fiber is coated with the carbon material, the impregnating compound can improve the bundling capacity of hundreds of basalt coarse fibers or even thousands of basalt monofilaments, meanwhile, the chemical bonding capacity between the basalt fiber and other materials, and the mechanical properties of the composite material.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention.

Claims (7)

1. The basalt oil pipeline comprises an inner layer, a basalt fiber reinforced layer and an outer layer, wherein polymer materials of the inner layer and the outer layer independently comprise main materials, modifiers and assistants, and the basalt fiber reinforced layer is a composite material woven by basalt fibers, and is characterized in that the basalt oil pipeline is prepared by the following steps:
1) Crushing basalt ores into particles, and adding 2-4wt% of TiO2 based on 100% of the basalt ores and melting to form spinning solution; drawing the spinning solution to obtain basalt fibers;
2) Placing basalt fibers in a tube furnace, introducing reducing gas, heating for a preset time, introducing mixed gas of monosilane and acetylene, stopping introducing monosilane, continuing introducing acetylene, and continuing heating for a preset time to obtain basalt fibers coated by silicon carbide and carbon;
3) Spinning a plurality of basalt fibers obtained in the step 2) to obtain basalt fiber cloth; immersing basalt fiber mesh cloth into the impregnating solution for impregnating; taking out and drying;
4) Immersing the fiber cloth in the step 3) with phenolic resin; winding the multi-layer fiber cloth soaked with phenolic resin, and hot-pressing through a forming die to prepare a laminated pipe;
5) And hot-press molding the polymer materials of the inner layer and the outer layer on the inner side and the outer side of the laminated pipe through a molding die to obtain the basalt oil pipeline.
2. An oil delivery pipeline as claimed in claim 1, wherein the mass ratio of the main material, the modifier, the elastomer and the auxiliary agent is 100:5-10:15-20:3-5; the main material is at least one selected from polyurethane and polyimide; the modifier is at least one selected from polybutylene terephthalate and polyethylene terephthalate; the elastomer is selected from ethylene propylene diene monomer; the auxiliary agent comprises a temperature-resistant anti-aging agent and a lubricant; the temperature-resistant anti-aging agent is at least one of phosphite antioxidants and hindered phenol antioxidants, and the lubricant is at least one of ethylene bis-stearamide and calcium stearate.
3. The oil delivery pipe of claim 2, wherein the inner and outer polymeric materials are prepared by weighing a main material, a modifier, an elastomer, and an auxiliary agent in proportion; adding the raw materials into a high-speed mixer, mixing for 20-30 minutes to obtain a blending material, adding the blending material into a double-screw extruder, carrying out melt extrusion at the temperature of 200-225 ℃, and cooling and granulating.
4. The oil delivery pipeline of claim 1, wherein in step 2): placing basalt fiber into a tube furnace, introducing hydrogen/nitrogen mixed gas with the hydrogen content of 3-5% by volume, heating for 0.5-1h at 300-350 ℃, and introducing the hydrogen/nitrogen mixed gas with the volume ratio of 2:1, heating the mixed gas of monosilane and acetylene at 350-400 ℃ for 6-12h, stopping introducing monosilane, continuing introducing acetylene gas, and heating at 350-400 ℃ for 4-6h to obtain the basalt fiber coated by silicon carbide and carbon.
5. An oil delivery pipeline as in claim 1 wherein in step 3), the impregnating solution comprises: 2-2.5 parts by mass of silane coupling agent KH-550,1.2-1.5 parts by mass of polyoxyethylene stearate and 100 parts by mass of deionized water.
6. An oil delivery pipeline as claimed in claim 1, wherein in step 4), the hot pressing temperature is 150-160 ℃ and the pressure is 30-40MPa.
7. An oil delivery pipeline as claimed in claim 1, wherein in step 5), the hot pressing temperature is 160-180 ℃ and the pressure is 30-40MPa.
CN202310835086.9A 2023-07-10 2023-07-10 Basalt oil pipeline Pending CN116877795A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117662867A (en) * 2023-12-20 2024-03-08 江苏西沙科技有限公司 Weather-resistant type offshore floating conveying oil pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117662867A (en) * 2023-12-20 2024-03-08 江苏西沙科技有限公司 Weather-resistant type offshore floating conveying oil pipe

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