WO2019119404A1 - 一种耐蚀性石墨烯输油管及其制备方法 - Google Patents

一种耐蚀性石墨烯输油管及其制备方法 Download PDF

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WO2019119404A1
WO2019119404A1 PCT/CN2017/117948 CN2017117948W WO2019119404A1 WO 2019119404 A1 WO2019119404 A1 WO 2019119404A1 CN 2017117948 W CN2017117948 W CN 2017117948W WO 2019119404 A1 WO2019119404 A1 WO 2019119404A1
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layer
wall
corrosion
uniformly
graphene
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English (en)
French (fr)
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黄裕中
卞冬明
王金马
张小红
申华
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中裕软管科技股份有限公司
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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
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • 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
    • 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
    • F16L58/1036—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe the coating being a preformed pipe

Definitions

  • the invention relates to the technical field of oil pipelines, in particular to a corrosion resistant graphene oil pipeline and a preparation method thereof.
  • the main component is a mixture of various alkanes, cycloalkanes and aromatic hydrocarbons.
  • the petroleum is corrosive and can be used as fuel oil after petroleum processing. Therefore, when transporting petroleum, it is necessary to carry out anti-corrosion and flame retardant treatment on the petroleum transportation pipeline. Therefore, we have proposed a corrosion-resistant graphene oil pipeline and a preparation method thereof.
  • the object of the present invention is to provide a corrosion-resistant graphene oil pipeline and a preparation method thereof, which can solve the problem that the petroleum proposed in the above background art is corrosive and can be used as a fuel oil after petroleum processing. Therefore, when transporting petroleum, it is necessary to The transportation pipeline of petroleum is treated with anti-corrosion and flame retardant.
  • a corrosion-resistant graphene oil pipeline comprising a PVC polyethylene inner layer, the outer wall of the inner layer of the PVC polyethylene is uniformly provided with a bonding hole, the PVC polyethylene
  • the outer wall of the inner layer is sprayed with a butyl rubber layer, and the outer wall of the butyl rubber layer is uniformly coated with an antistatic layer, and the outer wall of the antistatic layer is uniformly annularly bonded with a buffer rubber bump by an adhesive.
  • the outer wall of the butyl rubber layer is coated with a metal mesh layer, and the buffer rubber bump is located between the butyl rubber layer and the metal mesh layer, and the outer wall of the metal mesh layer is sprayed with the outer layer of graphene.
  • the antistatic layer is a polyvinyl chloride layer.
  • the adhesive between the antistatic layer and the buffer rubber bump is a cyanoacrylate silicone adhesive.
  • the metal mesh layer is an aluminum alloy mesh layer, and the metal mesh layer is uniformly wrapped on the outer side of the buffer rubber bump in an interlaced manner.
  • the outer layer of the graphene has a thickness of 20-40 ⁇ m.
  • a method for preparing a corrosion-resistant graphene oil pipeline the specific steps of the method for preparing the corrosion-resistant graphene oil pipeline are as follows:
  • S1 modulating the inner layer of PVC polyethylene, butyl rubber layer, antistatic layer and the outer layer of graphene, and mixing the raw materials uniformly, mixing uniform butyl rubber layer, antistatic layer and raw material of graphene outer layer Placed in a spray paint cylinder, and the raw material of the uniformly mixed PVC polyethylene inner layer is placed in the extruder;
  • the PVC inner layer of the outer wall of the rotating inner shaft of the step S3 has a thickness of 40-50 ⁇ m.
  • the time interval between the butyl rubber layer and the antistatic layer spraying step in the step S5 is 20-30 minutes.
  • the beneficial effect of the invention is that the corrosion-resistant graphene oil pipeline has an anti-static layer, and avoids the phenomenon that the oil pipeline generates static electricity during use, which causes the oil to catch fire, and passes through the inner layer of PVC polyethylene.
  • the corrosion-resistant graphene oil pipeline has an anti-static layer, and avoids the phenomenon that the oil pipeline generates static electricity during use, which causes the oil to catch fire, and passes through the inner layer of PVC polyethylene.
  • Figure 1 is a schematic view of the structure of the present invention.
  • 1 PVC inner layer 1 adhesion holes, 3 butyl rubber layer, 4 antistatic layer, 5 buffer rubber bumps, 6 metal mesh layer, 7 graphene outer layer.
  • a corrosion-resistant graphene oil pipeline comprising a PVC polyethylene inner layer 1 , and an outer wall of the PVC polyethylene inner layer 1 is uniformly provided with a bonding hole 2 , PVC polyethylene
  • the outer wall of the inner layer 1 is sprayed with a butyl rubber layer 3, and the outer wall of the butyl rubber layer 3 is evenly coated with an antistatic layer 4, and the outer wall of the antistatic layer 4 is uniformly and cyclically bonded with the buffer rubber bumps 5 by an adhesive.
  • the outer wall of the butyl rubber layer 3 is covered with a metal mesh layer 6 between the butyl rubber layer 3 and the metal mesh layer 6, and the outer wall of the metal mesh layer 6 is coated with a graphene outer layer 7.
  • the antistatic layer 4 is a polyvinyl chloride layer
  • the adhesive between the antistatic layer 4 and the buffer rubber bump 5 is a cyanoacrylate silicone adhesive
  • the metal mesh layer 6 is an aluminum alloy mesh layer.
  • the layer 6 is uniformly coated on the outer side of the buffer rubber bump 5 in an interlaced manner, and the outer layer 7 of the graphene has a thickness of 20-40 ⁇ m.
  • a method for preparing a corrosion-resistant graphene oil pipeline the specific steps of the method for preparing the corrosion-resistant graphene oil pipeline are as follows:
  • S1 modulating a raw material of a PVC polyethylene inner layer 1, a butyl rubber layer 3, an antistatic layer 4, and a graphene outer layer 7, and uniformly mixing the raw materials, mixing the uniform butyl rubber layer 3, the antistatic layer 4, and
  • the raw material of the graphene outer layer 7 is placed in a spray paint cylinder, and the raw material of the uniformly mixed PVC polyethylene inner layer 1 is placed in an extruder;
  • the extruder equipped with the raw material of the PVC inner layer 1 and the rotating inner shaft are matched, so that the raw material of the PVC inner layer 1 is uniformly applied to the outer wall of the rotating inner shaft by the action of the extruder, and the rotation is performed.
  • the outer layer of the PVC polyethylene inner layer 1 has a thickness of 40-50 ⁇ m;
  • the buffer rubber bump 5 is uniformly bonded to the outer wall of the antistatic layer 4 by the adhesive, and the metal mesh layer 6 is wound around the outer wall of the buffer rubber bump 5;

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

一种耐蚀性石墨烯输油管，包括PVC聚乙烯内层(1)，所述PVC聚乙烯内层(1)的外壁均匀开设有助粘接孔(2)，所述PVC聚乙烯内层(1)的外壁喷涂有丁基橡胶层(3)，所述丁基橡胶层(3)的外壁均匀涂有防静电层(4)，所述防静电层(4)的外壁通过粘接剂均匀环状粘接有缓冲橡胶凸块(5)，所述丁基橡胶层(3)的外壁包覆有金属网层(6)，所述缓冲橡胶凸块(5)位于丁基橡胶层(3)与金属网层(6)之间，所述金属网层(6)的外壁喷涂有石墨烯外层(7)。还公开一种耐蚀性石墨烯输油管的制备方法。该耐蚀性石墨烯输油管，具有防静电层，避免输油管在使用过程中产生静电而导致运输石油着火的现象，通过PVC聚乙烯内层的设置，与石油的直接接触，防腐性能好，石墨烯外层具有防腐蚀性，对输油管的外壁进行保护。

Description

一种耐蚀性石墨烯输油管及其制备方法 技术领域
本发明涉及输油管技术领域，具体为一种耐蚀性石墨烯输油管及其制备方法。
背景技术
石油，地质勘探的主要对象之一，是一种粘稠的、深褐色液体，被称为“工业的血液”。地壳上层部分地区有石油储存。主要成分是各种烷烃、环烷烃、芳香烃的混合物，石油具有腐蚀性，且石油加工后可作为燃料油，因此，在运输石油时，需要对石油的运输管道进行防腐阻燃做处理，为此，我们提出了一种耐蚀性石墨烯输油管及其制备方法。
发明内容
本发明的目的在于提供一种耐蚀性石墨烯输油管及其制备方法，以解决上述背景技术中提出的石油具有腐蚀性，且石油加工后可作为燃料油，因此，在运输石油时，需要对石油的运输管道进行防腐阻燃做处理的问题。
为实现上述目的，本发明提供如下技术方案：一种耐蚀性石墨烯输油管，包括PVC聚乙烯内层，所述PVC聚乙烯内层的外壁均匀开设有助粘接孔，所述PVC聚乙烯内层的外壁喷涂有丁基橡胶层，所述丁基橡胶层的外壁均匀涂有防静电层，所述防静电层的外壁通过粘接剂均匀环状粘接有缓冲橡胶凸块，所述丁基橡胶层的外壁包覆有金属网层，所述缓冲橡胶凸块位于丁基橡胶层与金属网层之间，所述金属网 层的外壁喷涂有石墨烯外层。
优选的，所述防静电层为聚氯乙烯层。
优选的，所述防静电层与缓冲橡胶凸块之间的粘接剂为氰基丙烯酸酯硅胶粘接剂。
优选的，所述金属网层为铝合金网层，所述金属网层呈交织装均匀包覆在缓冲橡胶凸块的外侧。
优选的，所述石墨烯外层的厚度为20-40μm。
一种耐蚀性石墨烯输油管的制备方法，该耐蚀性石墨烯输油管的制备方法的具体步骤如下：
S1：调制PVC聚乙烯内层、丁基橡胶层、防静电层和石墨烯外层的原材料，并将原材料混合均匀，将混合均匀的丁基橡胶层、防静电层和石墨烯外层的原材料放置在喷涂料筒内，将混合均匀的PVC聚乙烯内层的原材料置于挤出机中；
S2：根据PVC聚乙烯内层内径的需求选取旋转内轴，且旋转内轴的一端与转动装置连接；
S3：将装有PVC聚乙烯内层原材料的挤出机与旋转内轴相互配合，使得PVC聚乙烯内层原材料在挤出机的作用下均匀的涂抹在旋转内轴的外壁；
S4：通过开孔模对旋转内轴外壁上的PVC聚乙烯内层均匀开设助粘接孔；
S5：将丁基橡胶层、防静电层的原材料按照先后顺序喷涂在PVC聚乙烯内层的外壁；
S6：通过粘接剂在防静电层的外壁均匀粘接缓冲橡胶凸块，在缓冲橡胶凸块的外壁绕接金属网层；
S7：在金属网层的外壁均匀喷涂石墨烯外层原材料，将喷涂石墨烯外层原材料后的管道送至烘干室进行烘干，烘干时间为2-3小时，烘干室的温度为150-200℃，之后即可切段保存。
优选的，所述步骤S3的旋转内轴外壁的PVC聚乙烯内层厚度为40-50μm。
优选的，所述步骤S5中丁基橡胶层、防静电层喷涂工序之间的时间间隔为20-30分钟。
与现有技术相比，本发明的有益效果是：该耐蚀性石墨烯输油管，具有防静电层，避免输油管在使用过程中产生静电而导致运输石油着火的现象，通过PVC聚乙烯内层的设置，与石油的直接接触，防腐性能好，石墨烯外层具有防腐蚀性，对输油管的外壁进行保护。
附图说明
图1为本发明结构示意图。
图中：1PVC聚乙烯内层、2助粘接孔、3丁基橡胶层、4防静电层、5缓冲橡胶凸块、6金属网层、7石墨烯外层。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
请参阅图1，本发明提供一种技术方案：一种耐蚀性石墨烯输油管，包括PVC聚乙烯内层1，PVC聚乙烯内层1的外壁均匀开设有助粘接孔2，PVC聚乙烯内层1的外壁喷涂有丁基橡胶层3，丁基橡胶层3的外壁均匀涂有防静电层4，防静电层4的外壁通过粘接剂均匀环状粘接有缓冲橡胶凸块5，丁基橡胶层3的外壁包覆有金属网层6，缓冲橡胶凸块5位于丁基橡胶层3与金属网层6之间，金属网层6的外壁喷涂有石墨烯外层7。
其中，防静电层4为聚氯乙烯层，防静电层4与缓冲橡胶凸块5之间的粘接剂为氰基丙烯酸酯硅胶粘接剂，金属网层6为铝合金网层，金属网层6呈交织装均匀包覆在缓冲橡胶凸块5的外侧，石墨烯外层7的厚度为20-40μm，
一种耐蚀性石墨烯输油管的制备方法，该耐蚀性石墨烯输油管的制备方法的具体步骤如下：
S1：调制PVC聚乙烯内层1、丁基橡胶层3、防静电层4和石墨烯外层7的原材料，并将原材料混合均匀，将混合均匀的丁基橡胶层3、防静电层4和石墨烯外层7的原材料放置在喷涂料筒内，将混合均匀的PVC聚乙烯内层1的原材料置于挤出机中；
S2：根据PVC聚乙烯内层1内径的需求选取旋转内轴，且旋转内轴的一端与转动装置连接；
S3：将装有PVC聚乙烯内层1原材料的挤出机与旋转内轴相互配合，使得PVC聚乙烯内层1原材料在挤出机的作用下均匀的涂抹在旋 转内轴的外壁，旋转内轴外壁的PVC聚乙烯内层1厚度为40-50μm；
S4：通过开孔模对旋转内轴外壁上的PVC聚乙烯内层1均匀开设助粘接孔2；
S5：将丁基橡胶层3、防静电层4的原材料按照先后顺序喷涂在PVC聚乙烯内层1的外壁，丁基橡胶层3、防静电层4喷涂工序之间的时间间隔为20-30分钟；
S6：通过粘接剂在防静电层4的外壁均匀粘接缓冲橡胶凸块5，在缓冲橡胶凸块5的外壁绕接金属网层6；
S7：在金属网层6的外壁均匀喷涂石墨烯外层7原材料，将喷涂石墨烯外层7原材料后的管道送至烘干室进行烘干，烘干时间为2-3小时，烘干室的温度为150-200℃，之后即可切段保存。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (8)

  1. 一种耐蚀性石墨烯输油管，包括PVC聚乙烯内层(1)，其特征在于：所述PVC聚乙烯内层(1)的外壁均匀开设有助粘接孔(2)，所述PVC聚乙烯内层(1)的外壁喷涂有丁基橡胶层(3)，所述丁基橡胶层(3)的外壁均匀涂有防静电层(4)，所述防静电层(4)的外壁通过粘接剂均匀环状粘接有缓冲橡胶凸块(5)，所述丁基橡胶层(3)的外壁包覆有金属网层(6)，所述缓冲橡胶凸块(5)位于丁基橡胶层(3)与金属网层(6)之间，所述金属网层(6)的外壁喷涂有石墨烯外层(7)。
  2. 根据权利要求1所述的一种耐蚀性石墨烯输油管，其特征在于：所述防静电层(4)为聚氯乙烯层。
  3. 根据权利要求1所述的一种耐蚀性石墨烯输油管，其特征在于：所述防静电层(4)与缓冲橡胶凸块(5)之间的粘接剂为氰基丙烯酸酯硅胶粘接剂。
  4. 根据权利要求1所述的一种耐蚀性石墨烯输油管，其特征在于：所述金属网层(6)为铝合金网层，所述金属网层(6)呈交织装均匀包覆在缓冲橡胶凸块(5)的外侧。
  5. 根据权利要求1所述的一种耐蚀性石墨烯输油管，其特征在于：所述石墨烯外层(7)的厚度为20-40μm。
  6. 一种耐蚀性石墨烯输油管的制备方法，其特征在于：该耐蚀性石墨烯输油管的制备方法的具体步骤如下：
    S1：调制PVC聚乙烯内层(1)、丁基橡胶层(3)、防静电层(4)和石墨烯外层(7)的原材料，并将原材料混合均匀，将混合均匀的 丁基橡胶层(3)、防静电层(4)和石墨烯外层(7)的原材料放置在喷涂料筒内，将混合均匀的PVC聚乙烯内层(1)的原材料置于挤出机中；
    S2：根据PVC聚乙烯内层(1)内径的需求选取旋转内轴，且旋转内轴的一端与转动装置连接；
    S3：将装有PVC聚乙烯内层(1)原材料的挤出机与旋转内轴相互配合，使得PVC聚乙烯内层(1)原材料在挤出机的作用下均匀的涂抹在旋转内轴的外壁；
    S4：通过开孔模对旋转内轴外壁上的PVC聚乙烯内层(1)均匀开设助粘接孔(2)；
    S5：将丁基橡胶层(3)、防静电层(4)的原材料按照先后顺序喷涂在PVC聚乙烯内层(1)的外壁；
    S6：通过粘接剂在防静电层(4)的外壁均匀粘接缓冲橡胶凸块(5)，在缓冲橡胶凸块(5)的外壁绕接金属网层(6)；
    S7：在金属网层(6)的外壁均匀喷涂石墨烯外层(7)原材料，将喷涂石墨烯外层(7)原材料后的管道送至烘干室进行烘干，烘干时间为2-3小时，烘干室的温度为150-200℃，之后即可切段保存。
  7. 根据权利要求6所述的一种耐蚀性石墨烯输油管，其特征在于：所述步骤S3的旋转内轴外壁的PVC聚乙烯内层(1)厚度为40-50μm。
  8. 根据权利要求6所述的一种耐蚀性石墨烯输油管，其特征在于：所述步骤S5中丁基橡胶层(3)、防静电层(4)喷涂工序之间的时间 间隔为20-30分钟。
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