WO2020107243A1 - 一种耐火的玻璃钢管道 - Google Patents

一种耐火的玻璃钢管道 Download PDF

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Publication number
WO2020107243A1
WO2020107243A1 PCT/CN2018/117802 CN2018117802W WO2020107243A1 WO 2020107243 A1 WO2020107243 A1 WO 2020107243A1 CN 2018117802 W CN2018117802 W CN 2018117802W WO 2020107243 A1 WO2020107243 A1 WO 2020107243A1
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Prior art keywords
reinforced plastic
layer
fiberglass reinforced
plastic pipe
fan
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Ceased
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PCT/CN2018/117802
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English (en)
French (fr)
Inventor
廖国
陈和龙
张汉清
王洁
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Suzhou Jiumei Fiber Glass Co Ltd
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Suzhou Jiumei Fiber Glass Co Ltd
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Priority to PCT/CN2018/117802 priority Critical patent/WO2020107243A1/zh
Publication of WO2020107243A1 publication Critical patent/WO2020107243A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the invention relates to the technical field of materials, in particular to glass fiber reinforced plastic pipes.
  • FRP pipes can be widely used in ships. They have advantages that are unmatched by other metal pipes: for example, they have excellent corrosion resistance, small specific weight, light weight, easy installation, rapid and convenient maintenance, and excellent hydraulic performance. Flexible design, strong product adaptability, long service life, safe and reliable.
  • Epoxy resins have the disadvantages of high hardness and brittleness, and are prone to cracks under heavy pressure.
  • the technical problem solved by the invention is to improve the compression resistance of glass fiber reinforced plastic pipes.
  • a refractory FRP pipe including a FRP pipe layer and a refractory insulation layer disposed outside the FRP pipe layer, the FRP pipe layer is composed of a number of fan-shaped FRP blocks and a number of elastic sheets Combined, several fan-shaped FRP blocks are evenly distributed along the circumferential direction of the FRP pipe, and an elastic sheet is provided between each adjacent two fan-shaped FRP blocks.
  • the elastic sheet is hermetically connected with the fan-shaped FRP block.
  • the glass fiber reinforced plastic pipe layer is designed into a unitary structure, which is composed of several fan-shaped glass reinforced plastic blocks and several elastic sheets.
  • the fan-shaped glass reinforced plastic block moves to the center of the glass reinforced plastic pipe layer.
  • the elastic sheet between each adjacent two fan-shaped FRP blocks is deformed by being pressed, and the deformed elastic sheet can effectively absorb the heavy pressure from the outside.
  • the fan-shaped FRP block has a strong resistance to compression, similar to an arch
  • the compression principle of the shape bridge therefore, the glass fiber reinforced plastic pipe layer of the present invention is not easy to deform and crack under heavy pressure, and its compression ability is significantly improved.
  • FIG. 1 is a schematic structural view of a first embodiment of a refractory glass fiber reinforced plastic pipe
  • FIG. 2 is a schematic structural view of a second embodiment of a refractory glass fiber reinforced plastic pipe.
  • FRP pipe layer 11, fan-shaped FRP block; 12, elastic sheet;
  • a refractory glass fiber reinforced plastic pipe includes a glass fiber reinforced plastic pipe layer 10, an elastomer layer 30, and a refractory thermal insulation layer 20.
  • the FRP pipe layer 10 is composed of a plurality of fan-shaped FRP blocks 11 and a plurality of elastic sheets 12, a plurality of fan-shaped FRP blocks are evenly distributed along the circumferential direction of the FRP pipe, and an elastic sheet is provided between each adjacent two fan-shaped FRP blocks.
  • the elastic layer 30 is wrapped around the outer periphery of the FRP pipe layer 10, and a number of elastic sheets 12 are integrally formed with the elastic layer 30.
  • the material of the elastic sheet is the same as the material of the elastic layer.
  • the material of the elastomer layer may be natural rubber, styrene-butadiene rubber, cis-butadiene rubber, chloroprene rubber, hydrogenated nitrile rubber, EPDM, silicone rubber, fluororubber.
  • the rubber is usually in an amorphous form. Amorphous means that the shape of the substance or material is not fixed.
  • a rubber preform that is, a preform is generally made first, and then the preform is placed in a vulcanizing machine to mold and vulcanize.
  • the elastomer layer and the elastic sheet can be formed into an integral structure by injection molding. As mentioned above, whether it is molding vulcanization or injection molding, the elastomer layer and several elastic sheets are integrally formed in the mold or injection mold.
  • Several fan-shaped FRP blocks 11 constituting the FRP pipe layer 10 can be pre-buried in the mold blank or injection mold, so that the elastomer layer and several elastic sheets are combined with several fan-shaped FRP blocks in the mold blank or injection mold to make the FRP pipeline layer
  • the structure of 10 is stable.
  • the refractory insulation layer 20 is wrapped around the periphery of the elastomer layer 20.
  • the refractory insulation layer 20 is made of GP-486G34 phenolic resin as a matrix material, and 8-15% of hexamethylenetetramine C6H12N4 is added to the resin matrix material; after stirring evenly, the fiber is immersed and wound into the formed glass fiber reinforced plastic pipe layer 10 Surface curing molding.
  • the mass fraction of C6H12N4 added to the matrix material is 10-12%.
  • Second embodiment refer to FIG. 2
  • a refractory glass fiber reinforced plastic pipe includes a glass fiber reinforced plastic pipe layer 10, an elastomer layer 30, and a refractory thermal insulation layer 20.
  • the FRP pipe layer 10 is composed of a plurality of fan-shaped FRP blocks 11 and a plurality of elastic sheets 12, a plurality of fan-shaped FRP blocks are evenly distributed along the circumferential direction of the FRP pipe, and an elastic sheet is provided between each adjacent two fan-shaped FRP blocks.
  • the elastomer layer 30 is wrapped on the inner wall of the FRP pipe layer 10, and a plurality of elastic sheets 12 are integrally formed with the elastomer layer 30.
  • the material of the elastic sheet is the same as the material of the elastomer layer.
  • the elastomer layer and several elastic sheets are integrally formed in the preform or injection mold.
  • Several fan-shaped FRP blocks 11 constituting the FRP pipe layer 10 can be pre-buried in the parison or injection mold, so that the elastomer layer and several elastic sheets are combined with several fan-shaped FRP blocks in the parison or injection mold.
  • the refractory insulation layer 20 is wrapped around the periphery of the FRP pipe layer 10.

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

Abstract

一种耐火的玻璃钢管道，包括玻璃钢管道层（10）和设置在玻璃钢管道层（10）外部的耐火保温层（20），所述玻璃钢管道层（10）由若干扇形玻璃钢块（11）和若干弹性片（12）组合而成，若干扇形玻璃钢块（11）沿玻璃钢管道的圆周方向均匀分布，每相邻两个扇形玻璃钢块（11）之间设一个弹性片（12）。玻璃钢管道层任一处受到重压时，扇形玻璃钢块（11）向玻璃钢管道层（10）的中心位置移动，弹性片（12）受到挤压而变形，有效地吸收来自外部的重压，同时，扇形玻璃钢块（11）具有较强的抗压能力，类似于拱形桥的抗压原理，因此，所述的玻璃钢管道层（10），在重压下不易变形、开裂，其抗压能力得到明显的提高。

Description

一种耐火的玻璃钢管道 技术领域
本发明涉及材料技术领域，具体涉及玻璃钢管道。
背景技术
玻璃钢管道之所以能够在船舶上广泛应用，在于其具有其它金属管材无法比拟的优越性：比如具有优良的耐腐蚀性能，比重小、重量轻，安装简便、迅速、维修方便，水力学性能优异，设计灵活、产品适应性强，使用寿命长、安全可靠。
目前玻璃钢管道和管道附件比如法兰所用的树脂基材料主要是环氧树脂体系，环氧树脂存在硬度大、脆性大的缺点，受到重压时容易出现裂纹。
发明内容
本发明所解决的技术问题：提高玻璃钢管道的抗压能力。
为解决上述技术问题，本发明提供如下技术方案：一种耐火的玻璃钢管道，包括玻璃钢管道层和设置在玻璃钢管道层外部的耐火保温层，所述玻璃钢管道层由若干扇形玻璃钢块和若干弹性片组合而成，若干扇形玻璃钢块沿玻璃钢管道的圆周方向均匀分布，每相邻两个扇形玻璃钢块之间设一个弹性片。
弹性片与扇形玻璃钢块密封连接。
玻璃钢管道，主要承受来自外部的压力，比如较大的水压，一体成型的玻璃钢管道层，在承受外部较大压力时，容易出现裂纹。本发明将玻璃 钢管道层设计成分体结构，由若干扇形玻璃钢块和若干弹性片组合而成，玻璃钢管道层任一处或多处受到重压时，扇形玻璃钢块向玻璃钢管道层的中心位置移动，位于每相邻两个扇形玻璃钢块之间的弹性片受到挤压而变形，变形的弹性片能够有效地吸收来自外部的重压，同时，扇形玻璃钢块具有较强的抗压能力，类似于拱形桥的抗压原理，因此，本发明所述的玻璃钢管道层，在重压下不易变形、开裂，其抗压能力得到明显的提高。
附图说明
下面结合附图对本发明做进一步的说明：
图1为一种耐火的玻璃钢管道第一实施例的结构示意图；
图2为一种耐火的玻璃钢管道第二实施例的结构示意图。
图中符号说明：
10、玻璃钢管道层；11、扇形玻璃钢块；12、弹性片；
20、耐火保温层；
30、弹性体层。
具体实施方式
第一实施例：参考图1
一种耐火的玻璃钢管道，包括玻璃钢管道层10、弹性体层30、耐火保温层20。
所述玻璃钢管道层10由若干扇形玻璃钢块11和若干弹性片12组合而成，若干扇形玻璃钢块沿玻璃钢管道的圆周方向均匀分布，每相邻两个扇形玻璃钢块之间设一个弹性片。
弹性体层30包裹在玻璃钢管道层10的外围，若干弹性片12与所述弹 性体层30一体成型，弹性片的材质相同于弹性体层的材质。弹性体层的材质可以是天然橡胶、丁苯橡胶、顺丁橡胶、氯丁橡胶、氢化丁腈橡胶、三元乙丙橡胶、硅橡胶、氟橡胶。上述弹性体层的材质中，橡胶通常都是无定形态的，无定形指物质或材料形状不固定，外力作用能改变材料形状，而外力撤去材料不具有恢复本身形状的特性。因此，将无定形态的橡胶成型为固定形状，一般先制作橡胶预制件，即型胚，再将型胚置入硫化机中模压硫化。对于弹性体层材质中热塑性材质，可通过注塑成型为一体结构的弹性体层和弹性片。上述，无论是模压硫化还是注塑，弹性体层和若干弹性片在型胚或注塑模具中一体成型。构成玻璃钢管道层10的若干扇形玻璃钢块11可预埋在型胚或注塑模具中，使弹性体层和若干弹性片在型胚或注塑模具中与若干扇形玻璃钢块结合在一起，使玻璃钢管道层10的结构稳定。
所述耐火保温层20包裹在弹性体层20的外围。所述耐火保温层20由GP-486G34酚醛树脂作为基体材料，在树脂基体材料中添加8-15％的六次甲基四胺C6H12N4；搅拌均匀后，再浸透纤维缠绕到已成型的玻璃钢管道层10表面固化成型。作为一种优选，所述C6H12N4在基体材料中添加的质量份数为10-12％。关于耐火保温层组分、工艺和性能的详细信息可参考申请号201510055845.5、申请公布号CN104653885A的专利文件。
第二实施例：参考图2
一种耐火的玻璃钢管道，包括玻璃钢管道层10、弹性体层30、耐火保温层20。
所述玻璃钢管道层10由若干扇形玻璃钢块11和若干弹性片12组合而 成，若干扇形玻璃钢块沿玻璃钢管道的圆周方向均匀分布，每相邻两个扇形玻璃钢块之间设一个弹性片。
弹性体层30包裹在玻璃钢管道层10的内壁上，若干弹性片12与所述弹性体层30一体成型，弹性片的材质相同于弹性体层的材质。弹性体层和若干弹性片在型胚或注塑模具中一体成型。构成玻璃钢管道层10的若干扇形玻璃钢块11可预埋在型胚或注塑模具中，使弹性体层和若干弹性片在型胚或注塑模具中与若干扇形玻璃钢块结合在一起。
所述耐火保温层20包裹在玻璃钢管道层10的外围。

Claims (6)

  1. 一种耐火的玻璃钢管道，包括玻璃钢管道层(10)和设置在玻璃钢管道层外部的耐火保温层(20)，其特征在于：所述玻璃钢管道层由若干扇形玻璃钢块(11)和若干弹性片(12)组合而成，若干扇形玻璃钢块沿玻璃钢管道的圆周方向均匀分布，每相邻两个扇形玻璃钢块之间设一个弹性片。
  2. 如权利要求1所述的一种耐火的玻璃钢管道，其特征在于：所述耐火保温层(20)由GP-486G34酚醛树脂作为基体材料，在树脂基体材料中添加8-15％的六次甲基四胺C6H12N4；搅拌均匀后，再浸透纤维缠绕到已成型的玻璃钢管道层(10)表面固化成型。
  3. 如权利要求1所述的一种耐火的玻璃钢管道，其特征在于：所述C6H12N4在基体材料中添加的质量份数为10-12％。
  4. 如权利要求1所述的一种耐火的玻璃钢管道，其特征在于：玻璃钢管道层(10)的外围包裹有弹性体层(30)，所述耐火保温层(20)包裹在弹性体层的外围。
  5. 如权利要求4所述的一种耐火的玻璃钢管道，其特征在于：弹性体层(30)与若干弹性片(12)一体成型。
  6. 如权利要求1所述的一种耐火的玻璃钢管道，其特征在于：玻璃钢管道层(10)的内壁上包裹有弹性体层(30)，弹性体层与若干弹性片(12)一体成型。
PCT/CN2018/117802 2018-11-28 2018-11-28 一种耐火的玻璃钢管道 Ceased WO2020107243A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202868103U (zh) * 2012-09-05 2013-04-10 郭翠芳 耐腐蚀、耐老化复合管
CN203348756U (zh) * 2013-07-16 2013-12-18 北京豪特耐管道设备有限公司 一种新型复合保温管道
CN104653885A (zh) * 2015-02-03 2015-05-27 苏州久美玻璃钢股份有限公司 一种新型复合材料耐火管道
CN205664009U (zh) * 2016-06-06 2016-10-26 浙江飞龙管业有限公司 一种抗震抗压的玻璃钢复合管
CN206973081U (zh) * 2017-06-28 2018-02-06 无锡市政设计研究院有限公司 一种给排水管
CN207005484U (zh) * 2017-07-29 2018-02-13 嘉兴神洲玻璃钢管道有限公司 一种多层次复合玻璃钢管

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202868103U (zh) * 2012-09-05 2013-04-10 郭翠芳 耐腐蚀、耐老化复合管
CN203348756U (zh) * 2013-07-16 2013-12-18 北京豪特耐管道设备有限公司 一种新型复合保温管道
CN104653885A (zh) * 2015-02-03 2015-05-27 苏州久美玻璃钢股份有限公司 一种新型复合材料耐火管道
CN205664009U (zh) * 2016-06-06 2016-10-26 浙江飞龙管业有限公司 一种抗震抗压的玻璃钢复合管
CN206973081U (zh) * 2017-06-28 2018-02-06 无锡市政设计研究院有限公司 一种给排水管
CN207005484U (zh) * 2017-07-29 2018-02-13 嘉兴神洲玻璃钢管道有限公司 一种多层次复合玻璃钢管

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