CN111022783A - 一种通道体及其生产工艺 - Google Patents

一种通道体及其生产工艺 Download PDF

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CN111022783A
CN111022783A CN201911319331.0A CN201911319331A CN111022783A CN 111022783 A CN111022783 A CN 111022783A CN 201911319331 A CN201911319331 A CN 201911319331A CN 111022783 A CN111022783 A CN 111022783A
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陈洋
杨晓梅
丁森
司宝
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Xiangyang Honghang Industry Co Ltd
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    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
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    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
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Abstract

本发明涉及通道体生产技术领域,尤其是一种通道体,包括有机管材、内层涂料、阻热耐火层和耐腐蚀层,所述内层涂料涂覆在所述有机管材内壁上,所述阻热耐火层包覆在所述有机管材外壁上,所述耐腐蚀层涂覆在所述阻热耐火层外侧,本发明在管道外侧涂抹了耐腐蚀层能够有效提高管道接头的抗老化、抗紫外能力,同时也能够有效防止蚁酸的侵蚀,本发明所生产的通道体的冷却步骤分为三步可以一定程度上增加管道接头的硬度,而使用的涂料可以增加通道体表面和内部的的防腐蚀性能,增加管道接头的使用寿命。

Description

一种通道体及其生产工艺
技术领域
本发明涉及通道体生产技术领域,尤其涉及一种通道体及其生产工艺。
背景技术
在管道与管道的联接中,管件与管道的联接中,异种材质管道与异种材质管道、异种材质管道与异种材质管件联接应用较为普遍,但由于所联接管道材质不同,当输送具有腐蚀性的介质时,联接部位会因电化学腐蚀使腐蚀速率加快,管道腐蚀速度加快,直接影响到管道使用寿命,影响到生产,特别是输送酸、碱等腐蚀液体防腐蚀气体的管道,经常出现管道裂纹和穿孔,引起酸碱泄漏,污染了环境,影响到职工的身体健康,检修更换管道时,需停产,影响到生产单位经济效益。因此对于管道联接部位的特殊处理,确保该位置的耐蚀性能不变,对于整个管道的使用显得极为重要。
发明内容
本发明的目的是为了解决现有技术中存在的缺点,而提出的一种通道体及其生产工艺。
为了实现上述目的,本发明采用了如下技术方案:
设计一种通道体,包括有机管材、内层涂料、阻热耐火层和耐腐蚀层,所述内层涂料涂覆在所述有机管材内壁上,所述阻热耐火层包覆在所述有机管材外壁上,所述耐腐蚀层涂覆在所述阻热耐火层外侧。
优选的,所述内层涂料涂覆厚度为2-3mm,所述阻热耐火层厚度为3-5mm,所述耐腐蚀层厚度为3-5mm。
本发明还提供一种通道体的生产工艺,包括以下步骤:
S1:在有机材料管材上截取一定长度的管道;
S2:将S1中截取的管道外壁利用锉刀打毛,打毛后清理管道外壁上杂质和细微颗粒;
S3:将S2中处理完成之后的管道进行加热处理,加热温度至90-95℃时进行扩口处理,将高温处理完成后的管道的两端利用扩口装置进行扩口处理;
S4:将S3扩口处理完成的管道分为三步进行冷却处理,第一步冷却在蒸汽中冷却,温度设置为40-43℃,冷却时间为3-5min,第二步冷却在水中冷却,温度设置为8-9℃,冷却时间为4-6min,第三步冷却进行风干处理,风干温度为25-30℃,冷却时间为8-10min;
S5:将S4扩口处理完成的管道进行内层涂料涂覆,所述内层涂料涂覆3-5层,所述内层涂料(2)涂覆完成后总厚度为2-3mm;
S6:将S5涂覆完成的管道进行风干处理,风干温度为20-25℃,风干至内层涂料表面干燥为止;
S7:将S6中风干完成的管道进行耐火处理,所述耐火处理步骤为:在管道外壁上涂抹环氧树脂,然后将所述阻热耐火层(3)挤包在管道表面上,所述阻热耐火层厚度为3-5mm;
S8:将S7中耐火处理完成的管道进行耐腐蚀处理,所述耐腐处理为将所述耐腐蚀层涂覆在所述阻热耐火层表面,涂覆厚度为3-5mm。
优选的,所述阻热耐火层包括以下成分:聚四氟乙烯分散料树脂:60份-65份,云母粉5份-10份,芳香族溶剂:12份-16份,二茂铁2份-4份,白色聚四氟乙烯色浆:0.9份-1.3份,二氧化硅粉末:15.8份-16.8份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份,外屏蔽层7使用双屏蔽结构,其原配方为:聚四氟乙烯分散料树脂:60份-65份,云母粉3份-6份,芳香族溶剂:10份-13份,白色聚四氟乙烯色浆:0.9份-1.3份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份。
优选的,利用“同步生产法”将生产出阻热耐火层直接挤包在涂抹环氧树脂的管道表面。
优选的,所述耐腐蚀层制备方法为:
A1:将壬酸香草酰胺5份、三丁烷热稳定剂2份、抗氧剂3份、钛酸酯3份、降母10份、的硬脂酸5份、低分子PE蜡5份、相熔剂5份、MAH热熔剂2.5份、苯并三唑光稳定剂2份、纳米级竹炭粉5份均匀混合,在50摄氏度条件下,对混合物进行加热,混合物达到50摄氏度后,维持3分钟;
A2:将聚氯乙烯在120-136摄氏度的条件下加热,直至聚氯乙烯形态转化为熔融状态;
A3:将S1中的材料加入到熔融状态的聚氯乙烯中,搅拌均匀后涂抹在所述阻热耐火层表面,在25-35℃条件冷却至室温即可。
本发明提出的一种通道体及其生产工艺,有益效果在于:该通道体及其生产工艺在管道外侧涂抹了耐腐蚀层能够有效提高管道接头的抗老化、抗紫外能力,同时也能够有效防止蚁酸的侵蚀,本发明所生产的通道体的冷却步骤分为三步可以一定程度上增加管道接头的硬度,而使用的涂料可以增加通道体表面和内部的的防腐蚀性能,增加管道接头的使用寿命。
附图说明
图1为本发明提出的一种通道体及其生产工艺的结构示意图。
图中:机管材1、内层涂料2、阻热耐火层3、耐腐蚀层4。
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。
参照图1,一种通道体,包括有机管材1、内层涂料2、阻热耐火层3和耐腐蚀层4,内层涂料2涂覆在有机管材1内壁上,内层涂料2涂覆厚度为2-3mm,阻热耐火层3包覆在有机管材1外壁上,阻热耐火层3厚度为3-5mm,耐腐蚀层4涂覆在阻热耐火层3外侧,耐腐蚀层4厚度为3-5mm。
本发明还提供了一种通道体的生产工艺,包括以下步骤:
S1:在有机材料管材上截取一定长度的管道;
S2:将S1中截取的管道外壁利用锉刀打毛,打毛后清理管道外壁上杂质和细微颗粒;
S3:将S2中处理完成之后的管道进行加热处理,加热温度至90-95℃时进行扩口处理,将高温处理完成后的管道的两端利用扩口装置进行扩口处理;
S4:将S3扩口处理完成的管道分为三步进行冷却处理,第一步冷却在蒸汽中冷却,温度设置为40-43℃,冷却时间为3-5min,第二步冷却在水中冷却,温度设置为8-9℃,冷却时间为4-6min,第三步冷却进行风干处理,风干温度为25-30℃,冷却时间为8-10min;
S5:将S4扩口处理完成的管道进行内层涂料2涂覆,内层涂料2涂覆3-5层,内层涂料2涂覆完成后总厚度为2-3mm;
S6:将S5涂覆完成的管道进行风干处理,风干温度为20-25℃,风干至内层涂料2表面干燥为止;
S7:将S6中风干完成的管道进行耐火处理,耐火处理步骤为:在管道外壁上涂抹环氧树脂,然后将阻热耐火层3挤包在管道表面上,阻热耐火层3厚度为3-5mm;
阻热耐火层3包括以下成分:聚四氟乙烯分散料树脂:60份-65份,云母粉5份-10份,芳香族溶剂:12份-16份,二茂铁2份-4份,白色聚四氟乙烯色浆:0.9份-1.3份,二氧化硅粉末:15.8份-16.8份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份,外屏蔽层7使用双屏蔽结构,其原配方为:聚四氟乙烯分散料树脂:60份-65份,云母粉3份-6份,芳香族溶剂:10份-13份,白色聚四氟乙烯色浆:0.9份-1.3份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份,利用“同步生产法”将生产出阻热耐火层3直接挤包在涂抹环氧树脂的管道表面
S8:将S7中耐火处理完成的管道进行耐腐蚀处理,耐腐处理为将耐腐蚀层4涂覆在阻热耐火层3表面,涂覆厚度为3-5mm;
耐腐蚀层4制备方法为:
A1:将壬酸香草酰胺5份、三丁烷热稳定剂2份、抗氧剂3份、钛酸酯3份、降母10份、的硬脂酸5份、低分子PE蜡5份、相熔剂5份、MAH热熔剂2.5份、苯并三唑光稳定剂2份、纳米级竹炭粉5份均匀混合,在50摄氏度条件下,对混合物进行加热,混合物达到50摄氏度后,维持3分钟;
A2:将聚氯乙烯在120-136摄氏度的条件下加热,直至聚氯乙烯形态转化为熔融状态;
A3:将S1中的材料加入到熔融状态的聚氯乙烯中,搅拌均匀后涂抹在阻热耐火层3表面,在25-35℃条件冷却至室温即可。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (6)

1.一种通道体,其特征在于,包括有机管材(1)、内层涂料(2)、阻热耐火层(3)和耐腐蚀层(4),所述内层涂料(2)涂覆在所述有机管材(1)内壁上,所述阻热耐火层(3)包覆在所述有机管材(1)外壁上,所述耐腐蚀层(4)涂覆在所述阻热耐火层(3)外侧。
2.根据权利要求1所述的一种通道体,其特征在于,所述内层涂料(2)涂覆厚度为2-3mm,所述阻热耐火层(3)厚度为3-5mm,所述耐腐蚀层(4)厚度为3-5mm。
3.一种根据权利要求1所述的通道体的生产工艺,其特征在于,包括以下步骤:
S1:在有机材料管材上截取一定长度的管道;
S2:将S1中截取的管道外壁利用锉刀打毛,打毛后清理管道外壁上杂质和细微颗粒;
S3:将S2中处理完成之后的管道进行加热处理,加热温度至90-95℃时进行扩口处理,将高温处理完成后的管道的两端利用扩口装置进行扩口处理;
S4:将S3扩口处理完成的管道分为三步进行冷却处理,第一步冷却在蒸汽中冷却,温度设置为40-43℃,冷却时间为3-5min,第二步冷却在水中冷却,温度设置为8-9℃,冷却时间为4-6min,第三步冷却进行风干处理,风干温度为25-30℃,冷却时间为8-10min;
S5:将S4扩口处理完成的管道进行内层涂料(2)涂覆,所述内层涂料(2)涂覆3-5层,所述内层涂料(2)涂覆完成后总厚度为2-3mm;
S6:将S5涂覆完成的管道进行风干处理,风干温度为20-25℃,风干至内层涂料(2)表面干燥为止;
S7:将S6中风干完成的管道进行耐火处理,所述耐火处理步骤为:在管道外壁上涂抹环氧树脂,然后将所述阻热耐火层(3)挤包在管道表面上,所述阻热耐火层(3)厚度为3-5mm;
S8:将S7中耐火处理完成的管道进行耐腐蚀处理,所述耐腐处理为将所述耐腐蚀层(4)涂覆在所述阻热耐火层(3)表面,涂覆厚度为3-5mm。
4.根据权利要求3所述的一种通道体的生产工艺,其特征在于所述阻热耐火层(3)包括以下成分:聚四氟乙烯分散料树脂:60份-65份,云母粉5份-10份,芳香族溶剂:12份-16份,二茂铁2份-4份,白色聚四氟乙烯色浆:0.9份-1.3份,二氧化硅粉末:15.8份-16.8份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份,外屏蔽层7使用双屏蔽结构,其原配方为:聚四氟乙烯分散料树脂:60份-65份,云母粉3份-6份,芳香族溶剂:10份-13份,白色聚四氟乙烯色浆:0.9份-1.3份,碳酸钙4份-5份,阻燃剂25-56份,无机填料12-61份,云母粉8份-11份。
5.根据权利要求4所述的一种通道体的生产工艺,其特征在于,利用“同步生产法”将生产出阻热耐火层(3)直接挤包在涂抹环氧树脂的管道表面。
6.根据权利要求3所述的一种通道体的生产工艺,其特征在于,所述耐腐蚀层(4)制备方法为:
A1:将壬酸香草酰胺5份、三丁烷热稳定剂2份、抗氧剂3份、钛酸酯3份、降母10份、的硬脂酸5份、低分子PE蜡5份、相熔剂5份、MAH热熔剂2.5份、苯并三唑光稳定剂2份、纳米级竹炭粉5份均匀混合,在50摄氏度条件下,对混合物进行加热,混合物达到50摄氏度后,维持3分钟;
A2:将聚氯乙烯在120-136摄氏度的条件下加热,直至聚氯乙烯形态转化为熔融状态;
A3:将S1中的材料加入到熔融状态的聚氯乙烯中,搅拌均匀后涂抹在所述阻热耐火层(3)表面,在25-35℃条件冷却至室温即可。
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