CN107353743A - 一种防腐蚀s型管道 - Google Patents
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Abstract
本发明提供了一种防腐蚀S型管道,包括依次连接的多个管件,所述管件为中空结构,所述每个管件均包括折弯部和设置在折弯部两端开口处的固定部,所述相邻管件之间的固定部螺栓连接,所述固定部之间设置密封部;所述管件内壁设置防腐层。本发明设置在输油管道的前端用于沉淀钡锶垢,大大降低了输油管道的结垢和风险,延长了管道的使用寿命,结构简单,使用方便,适用于化工领域的输油设备。
Description
技术领域
本发明涉及一种管道,尤其涉及一种防腐蚀S型管道。
背景技术
输油管道中输送的是油气等介质,这些介质里面含有多种杂质,因此容易结垢,在石油工程中大量的输油管道存在结垢现象,管道结垢后使管道缩径,流通截面积变小,造成压力损失、排量减少及管道堵塞,结垢还会诱发管道局部腐蚀,导致管道穿孔,造成破坏性事故。结垢使管道使用年限大大减少,严重制约作业区正常生产,且加大了安全环保风险。
现有输油管道的更换大多是腐蚀和结垢引起的,管道的腐蚀全部表现为内腐蚀,主要是由于输送介质含有腐蚀性成分引起的,腐蚀表现为全管腐蚀,腐蚀呈现坑点状,只要出现一次破漏,后面破漏将会频繁。而原油中硫化氢含量较高,大大加速了管线的腐蚀速率。因此,如何解决输油管道的结垢和易腐蚀问题,是当前需要解决的问题。
发明内容
为克服了现有技术的不足,本发明提供一种防腐蚀S型管道,用以解决输油管道易结垢和易腐蚀的问题,结构简单,使用方便。
本发明采用以下技术方案:
一种防腐蚀S型管道,其中,包括依次连接的多个管件,所述管件为中空结构,所述每个管件均包括折弯部和设置在折弯部两端开口处的固定部,所述相邻管件之间的固定部螺栓连接,所述固定部之间设置密封部;所述管件内壁设置防腐层。
优选的,所述固定部为法兰盘。
优选的,所述密封部为密封垫圈。
优选的,所述折弯部为圆弧形。
优选的,所述折弯部为S形。
优选的,所述防腐层由以下重量份的原料制成:20-30份丙烯酸锌树脂,8-12份酚醛环氧乙烯基树脂,10-15份偶联剂,10-20份纳米氧化镁,12-22份云母粉,5-15份重晶石粉,0.2-0.5份纳米银,1-2份纳米氧化铝,5-8份甲苯磺酸,5-8份碳酸钙,3-5份醇类溶剂,1-2份粘接剂,4-6份酚醛胺,0.5-1份消泡剂,0.4-0.8份流平剂及20-30份去离子水。
优选的,所述防腐层由以下重量份的原料制成:20份丙烯酸锌树脂,12份酚醛环氧乙烯基树脂,10份偶联剂,15份纳米氧化镁,12份云母粉,10份重晶石粉,0.2份纳米银,2份纳米氧化铝,5份甲苯磺酸,5份碳酸钙,3份醇类溶剂,2份粘接剂,4份酚醛胺,0.5份消泡剂,0.4份流平剂及20份去离子水。
优选的,所述防腐层由以下重量份的原料制成:15份丙烯酸锌树脂,10份酚醛环氧乙烯基树脂,10份偶联剂,12份纳米氧化镁,15份云母粉,10份重晶石粉,0.5份纳米银,2份纳米氧化铝,6份甲苯磺酸,7份碳酸钙,4份醇类溶剂,1份粘接剂,4份酚醛胺,1份消泡剂,0.5份流平剂及25份去离子水。
本发明的有益效果如下:
采用上述结构,当输送介质通过管道时,经过上升--下降--上升---下降--上升的循环过程,介质中的钡锶垢等杂质由于密度较大,在下降过程沉淀在防腐蚀S型管道底部。本发明设置在输油管道的前段,当介质通过防腐蚀S型管道进入输油管道的主管道时,由于钡锶垢已沉积在防腐蚀S型管道中,大大降低了输油管道的结垢风险,延长了管道的使用寿命,结构简单,使用方便,适用于化工领域的输油设备。
在管道内壁设置防腐层,防腐层的耐高低温性能好,耐腐蚀性好,在制备出1.5h后硬度可达2.5H以上,8h后硬度可达3.5H以上,力学性能好。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。
图1是本发明一种防腐蚀S型管道实施例1的结构示意图;
图2是本发明一种防腐蚀S型管道实施例2的结构示意图;
图3是本发明一种防腐蚀S型管道实施例3的结构示意图。
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1:
如图1所示,本实施例提供一种防腐蚀S型管道,包括依次连接的多个中空结构的管件,每个管件均包括折弯部1和设置在折弯部1两端开口处的固定部2,折弯部1为1/4圆弧,相邻折弯部1之间的固定部2用螺栓3固定连接,固定部2之间设置密封部4。每个折弯部1首尾相连,形成正弦波形状。
该实施例中,固定部2为法兰盘,为增加管道的耐腐蚀度,在管件内壁设置防腐层。本实施新型设置在输油管道的前端,用于沉淀钡锶垢,介质在通过管道时,经过上升--下降--上升---下降--上升的循环过程,介质中的钡锶垢杂质由于密度较大,在下降过程沉淀在防腐蚀S型管道底部,在介质通过防腐蚀S型管道进入输油管道的主管道时,由于钡锶垢已沉积在防腐蚀S型管道中,大大降低了输油管道的结垢风险,延长了管道的使用寿命。
在管件内壁设置防腐层,防腐层由以下重量份的原料制成:20份丙烯酸锌树脂,12份酚醛环氧乙烯基树脂,10份偶联剂,15份纳米氧化镁,12份云母粉,10份重晶石粉,0.2份纳米银,2份纳米氧化铝,5份甲苯磺酸,5份碳酸钙,3份醇类溶剂,2份粘接剂,4份酚醛胺,0.5份消泡剂,0.4份流平剂及20份去离子水。
防腐层的制备方法如下:
1、按重量份称取上述原料;
2、将15份纳米氧化镁、0.2份纳米银、2份纳米氧化铝、12份云母粉、10份重晶石粉、2份甲苯磺酸、3份醇类溶剂、2份碳酸钙加入10份去离子水,高速分散均匀后加入酚醛环氧乙烯基树脂,制成纳米材料母液;分散速度20m/s,分散时间30min,温度45℃;
3、在丙烯酸锌树脂搅拌状态下加入3份甲苯磺酸、3份碳酸钙、0.2份消泡剂、0.2份流平剂分散均匀后,加入10份去离子水和1份粘结剂研磨,研磨粘度达到120s/25℃,粒度小于35微米;
4、将步骤2制得的母液加入步骤3的浆料中,再加入10份偶联剂、1份粘接剂,4份酚醛胺,0.3份消泡剂,0.2份流平剂,搅拌均匀即制得涂料;
5、将步骤4制得的涂料涂敷在管件内壁。
实施例2:
如图2所示,本实施例提供一种防腐蚀S型管道,包括依次连接的多个中空结构的管件,每个管件均包括折弯部1和设置在折弯部1两端开口处的固定部2,折弯部1为S形,相邻折弯部1之间的固定部2用螺栓3固定连接,固定部2之间设置密封部4。每个S形折弯部1首尾相连,形成正弦波形状。
该实施例中,固定部2为法兰盘,为增加管道的耐腐蚀度,在管件内壁设置防腐层。本实施新型设置在输油管道的前端,用于沉淀钡锶垢,介质在通过管道时,经过下降--上升---下降--上升--下降的循环过程,介质中的钡锶垢杂质由于密度较大,在下降过程沉淀在防腐蚀S型管道底部,在介质通过防腐蚀S型管道进入输油管道的主管道时,由于钡锶垢已沉积在防腐蚀S型管道中,大大降低了输油管道的结垢风险,延长了管道的使用寿命。
在管件内壁设置防腐层,防腐层由以下重量份的原料制成:15份丙烯酸锌树脂,10份酚醛环氧乙烯基树脂,10份偶联剂,12份纳米氧化镁,15份云母粉,10份重晶石粉,0.5份纳米银,2份纳米氧化铝,6份甲苯磺酸,7份碳酸钙,4份醇类溶剂,1份粘接剂,4份酚醛胺,1份消泡剂,0.5份流平剂及25份去离子水。
防腐层的制备方法如下:
1、按重量份称取上述原料;
2、将12份纳米氧化镁、0.5份纳米银、2份纳米氧化铝、15份云母粉、10份重晶石粉、2份甲苯磺酸、4份醇类溶剂、4份碳酸钙加入10份去离子水,高速分散均匀后加入酚醛环氧乙烯基树脂,制成纳米材料母液;分散速度20m/s,分散时间30min,温度45℃;
3、在丙烯酸锌树脂搅拌状态下加入4份甲苯磺酸、3份碳酸钙、0.5份消泡剂、0.2份流平剂分散均匀后,加入15份去离子水和0.5份粘结剂研磨,研磨粘度达到125s/25℃,粒度小于35微米;
4、将步骤2制得的母液加入步骤3的浆料中,再加入10份偶联剂、0.5份粘接剂,4份酚醛胺,0.5份消泡剂,0.3份流平剂,搅拌均匀即制得涂料;
5、将步骤4制得的涂料涂敷在管件内壁。
实施例3:
如图3所示,本实施例提供一种防腐蚀S型管道,包括依次连接的多个中空结构的管件,每个管件均包括折弯部1和设置在折弯部1两端开口处的固定部2,折弯部1为1/4圆弧或S形,相邻折弯部1之间的固定部2螺栓3固定连接,固定部2之间设置密封部4。每个折弯部1首尾相连,形成正弦波形状。
该实施例中,固定部2为法兰盘,为增加管道的耐腐蚀度,在管件内壁设置防腐层。本实施新型设置在输油管道的前端,用于沉淀钡锶垢,介质在通过管道时,经过下降--上升---下降--上升的循环过程,介质中的钡锶垢杂质由于密度较大,在下降过程沉淀在防腐蚀S型管道底部,在介质通过防腐蚀S型管道进入输油管道的主管道时,由于钡锶垢已沉积在防腐蚀S型管道中,大大降低了输油管道的结垢风险,延长了管道的使用寿命。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (8)
1.一种防腐蚀S型管道,其特征在于:包括依次连接的多个管件,所述管件为中空结构,所述每个管件均包括折弯部和设置在折弯部两端开口处的固定部,所述相邻管件之间的固定部螺栓连接,所述固定部之间设置密封部;所述管件内壁设置防腐层。
2.根据权利要求1所述的防腐蚀S型管道,其特征在于:所述固定部为法兰盘。
3.根据权利要求1所述的防腐蚀S型管道,其特征在于:所述密封部为密封垫圈。
4.根据权利要求1所述的防腐蚀S型管道,其特征在于:所述折弯部为圆弧形。
5.根据权利要求1所述的防腐蚀S型管道,其特征在于:所述折弯部为S形。
6.根据权利要求1所述的防腐蚀S型管道,其特征在于:所述防腐层由以下重量份的原料制成:20-30份丙烯酸锌树脂,8-12份酚醛环氧乙烯基树脂,10-15份偶联剂,10-20份纳米氧化镁,12-22份云母粉,5-15份重晶石粉,0.2-0.5份纳米银,1-2份纳米氧化铝,5-8份甲苯磺酸,5-8份碳酸钙,3-5份醇类溶剂,1-2份粘接剂,4-6份酚醛胺,0.5-1份消泡剂,0.4-0.8份流平剂及20-30份去离子水。
7.根据权利要求6所述的防腐蚀S型管道,其特征在于:所述防腐层由以下重量份的原料制成:20份丙烯酸锌树脂,12份酚醛环氧乙烯基树脂,10份偶联剂,15份纳米氧化镁,12份云母粉,10份重晶石粉,0.2份纳米银,2份纳米氧化铝,5份甲苯磺酸,5份碳酸钙,3份醇类溶剂,2份粘接剂,4份酚醛胺,0.5份消泡剂,0.4份流平剂及20份去离子水。
8.根据权利要求6所述的防腐蚀S型管道,其特征在于:所述防腐层由以下重量份的原料制成:15份丙烯酸锌树脂,10份酚醛环氧乙烯基树脂,10份偶联剂,12份纳米氧化镁,15份云母粉,10份重晶石粉,0.5份纳米银,2份纳米氧化铝,6份甲苯磺酸,7份碳酸钙,4份醇类溶剂,1份粘接剂,4份酚醛胺,1份消泡剂,0.5份流平剂及25份去离子水。
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