CN108147733A - 一种绝缘电线杆及其加工工艺 - Google Patents
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Abstract
本发明属于电力材料领域,公开了一种绝缘电线杆的加工工艺,其包括如下步骤:步骤1)制备物料1,步骤2)制备物料2,步骤3)制备物料3,步骤4)制备混凝土,步骤5)制备电线杆。本发明电线杆强度大,耐腐蚀,绝缘性能好,质量轻,原料成本低廉,具备较好的实用价值。
Description
技术领域
本发明属于电力材料领域,具体涉及一种绝缘电线杆及其加工工艺。
背景技术
电线杆是输电、通讯、铁路、市政等基础设施中一类重要的特种支撑结构物,其电线杆的结构、材料等会直接影响线路的安全性、经济性和可靠性。国内外架空输电线路中使用较为广泛的电线杆主要有木质杆、混凝土杆或预应力混凝土杆、钢管混凝土杆、钢管杆和铁塔等几类。大量钢结构电线杆的使用,其对钢材的需求量也在逐年上升,消耗了大量矿产资源,造成生态环境的污染。同时,大量采用钢材作为铁塔材料,也给电线杆的施工运输、运行维护带来了诸多困难。申请人之前的专利技术2015104998098公开了一种新型复合式电线杆,该电线杆具备抗冻融性、抗压强度以及抗裂强度,还具备警示意义,但是存在原料成本高,不耐腐蚀等缺陷。
发明内容
本发明的目的是解决现有技术中电杆耐腐蚀性能差,使用寿命短以及原料成本较高等诸多缺陷,提供了一种绝缘电线杆。
本发明还提供了一种绝缘电线杆的加工工艺。
为了实现上述目的,本发明的技术方案通过如下方式来实现的:
一种绝缘电线杆的加工工艺,其包括如下步骤:步骤1)制备物料1,步骤2)制备物料2,步骤3)制备物料3,步骤4)制备混凝土,步骤5)制备电线杆。
具体地,所述加工工艺包括如下步骤:
步骤1)制备物料1:步骤1)将玉米秸秆和花生壳分别粉碎成玉米秸秆粉和花生壳粉,然后将玉米秸秆粉、花生壳粉以及氯化镁水溶液(8wt%)按照3:2:5质量比混合,以300转/min的搅拌速度搅拌5分钟,得到物料1;
步骤2)制备物料2:将酒糟浸泡到两倍重量的5M盐酸溶液中20min,然后500rpm离心3min,收集沉淀,自然风干,粉碎成粉末,即得物料2;
步骤3)制备物料3:将白云石破碎,然后置于600℃煅烧30min,自然冷却,再与锯末按照2:1的质量比混合均匀,得到物料3;
步骤4)制备混凝土:将物料1中添加物料2,搅拌混合均匀得到第一混合物,然后添加物料3,搅拌混合均匀得到第二混合物,向第二混合物中添加石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水,搅拌混合均匀,静置10分钟,然后排出,即得混凝土;所述物料1、物料2、物料3、石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水的质量比为6-9:7-12:3-5:20-30:20-30:30-50:60-90:80-120;
步骤5)制备电线杆:通过布料机将混凝土均匀分布在装有钢筋网的电杆模具内,经过张拉工艺后,采用离心工艺成型,静置6-8小时,脱模即得。
优选地,所述花岗岩碎石的粒径小于1cm。
优选地,所述普通硅酸盐水泥为42.5号普通硅酸盐水泥。
按照上述任其一所述的加工工艺制备的电线杆。
本发明取得的有益效果主要但不限于以下几个方面:
本发明采用对白云石进行了煅烧处理,煅烧白云石和锯末混合提高了混凝土孔隙的均匀度,粘着力好,降低了混凝土重量,并且有效利用了废弃物;秸秆农业废弃物作为减水剂,具备防冻、抗冻、抗渗等要求,但是其亲水性很强,吸水后发生膨胀,粘合力差以及凝结慢,氯氧镁对农业废弃物有防腐防霉的作用,防止其制备过程中缓凝严重的现象,提高了产品的使用寿命;酒糟是酿酒过程中的直接下脚料,其价格低廉,蛋白含量比豆粕略低,可作为豆粕的替代品,水解酒糟蛋白作为发泡剂,成本相对低廉;本发明电线杆的原料来源广泛,掺入大量矿物废料和农业废料,显著降低了成本;本发明电线杆强度大,耐腐蚀,绝缘性能好,质量轻,原料成本低廉,具备较好的实用价值。
具体实施方式
为了使本技术领域的人员更好地理解本申请中的技术方案,下面将结合本申请具体实施例,对本发明进行更加清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都应当属于本发明保护的范围。
实施例1
一种绝缘电线杆的加工工艺,其包括如下步骤:
步骤1)将玉米秸秆和花生壳分别粉碎成玉米秸秆粉和花生壳粉,然后将玉米秸秆粉、花生壳粉以及氯化镁水溶液(8wt%)按照3:2:5质量比混合,以300转/min的搅拌速度搅拌5分钟,得到物料1;
步骤2)将酒糟浸泡到两倍重量的5M盐酸溶液中20min,然后500rpm离心3min,收集沉淀,自然风干,粉碎成粉末,即得物料2;
步骤3)将白云石破碎,然后置于600℃煅烧30min,自然冷却,再与锯末按照2:1的质量比混合均匀,得到物料3;
步骤4)将物料1中添加物料2,搅拌混合均匀得到第一混合物,然后添加物料3,搅拌混合均匀得到第二混合物,向第二混合物中添加石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水,搅拌混合均匀,静置10分钟,然后排出,即得混凝土;所述物料1、物料2、物料3、石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水的质量比为6-9:7-12:3-5:20-30:20-30:30-50:60-90:80-120;
步骤5)通过布料机将混凝土均匀分布在装有钢筋网的电杆模具内,经过张拉工艺后,采用离心工艺成型,静置6小时,脱模即得。其中,钢筋网由直径为10mm的8根预应力钢丝做主筋,直径为5mm的冷拔高强丝做环向构造筋编制而成,相邻环向构造筋的距离为40mm。所述电线杆的壁厚为60毫米,长度为10米。所述花岗岩碎石的粒径小于1cm;所述普通硅酸盐水泥为42.5号普通硅酸盐水泥;
实施例2
一种绝缘电线杆的加工工艺,其包括如下步骤:
步骤1)将玉米秸秆和花生壳分别粉碎成玉米秸秆粉和花生壳粉,然后将玉米秸秆粉、花生壳粉以及氯化镁水溶液(8wt%)按照3:2:5混合,以300转/min的搅拌速度搅拌5分钟,得到物料1;
步骤2)将酒糟浸泡到两倍重量的5M盐酸溶液中20min,然后500rpm离心3min,收集沉淀,自然风干,粉碎成粉末,即得物料2;
步骤3)将白云石破碎,然后置于600℃煅烧30min,自然冷却,再与锯末按照2:1的质量比混合均匀,得到物料3;
步骤4)将物料1中添加物料2,搅拌混合均匀得到第一混合物,然后添加物料3,搅拌混合均匀得到第二混合物,向第二混合物中添加石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水,搅拌混合均匀,静置10分钟,然后排出,即得混凝土;所述物料1、物料2、物料3、石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水的质量比为9:12:5:30:30:50:90:120;
步骤5)通过布料机将混凝土均匀分布在装有钢筋网的电杆模具内,经过张拉工艺后,采用离心工艺成型,静置8小时,脱模即得。其中,钢筋网由直径为10mm的8根预应力钢丝做主筋,直径为5mm的冷拔高强丝做环向构造筋编制而成,相邻环向构造筋的距离为40mm。所述电线杆的壁厚为60毫米,长度为10米。
所述花岗岩碎石的粒径小于1cm;
所述普通硅酸盐水泥为42.5号普通硅酸盐水泥;
实施例3
一种绝缘电线杆的加工工艺,其包括如下步骤:
步骤1)将玉米秸秆和花生壳分别粉碎成玉米秸秆粉和花生壳粉,然后将玉米秸秆粉、花生壳粉以及氯化镁水溶液(8wt%)按照3:2:5混合,以300转/min的搅拌速度搅拌5分钟,得到物料1;
步骤2)将酒糟浸泡到两倍重量的5M盐酸溶液中20min,然后500rpm离心3min,收集沉淀,自然风干,粉碎成粉末,即得物料2;
步骤3)将白云石破碎,然后置于600℃煅烧30min,自然冷却,再与锯末按照2:1的质量比混合均匀,得到物料3;
步骤4)将物料1中添加物料2,搅拌混合均匀得到第一混合物,然后添加物料3,搅拌混合均匀得到第二混合物,向第二混合物中添加石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水,搅拌混合均匀,静置10分钟,然后排出,即得混凝土;所述物料1、物料2、物料3、石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水的质量比为7:10:4:26:26:40:80:100;
步骤5)通过布料机将混凝土均匀分布在装有钢筋网的电杆模具内,经过张拉工艺后,采用离心工艺成型,静置7小时,脱模即得。所述花岗岩碎石的粒径小于1cm;所述普通硅酸盐水泥为42.5号普通硅酸盐水泥;其中,钢筋网由直径为10mm的8根预应力钢丝做主筋,直径为5mm的冷拔高强丝做环向构造筋编制而成,相邻环向构造筋的距离为40mm。所述电线杆的壁厚为60毫米,长度为10米。
实施例4
以实施例1加工工艺制备的电线杆为例,各性能参数如下:
混凝土抗压强度:218MPa;
混凝土抗折强度:19.7MPa;
混凝土抗渗性能:P12等级无渗水高度;
混凝土抗碳化性:28天碳化检测深度为0.3mm;
电线杆抗裂检验:r0 cr≥1.4,普通部分预应力电杆设计r0 cr≥0.9;
尧度变形:加荷至100%时,杆顶挠度a0 s=39mm,标准允许a0 s<116mm;加荷至200%时,杆顶挠度a0 s=137mm,标准允许a0 s<580mm;
耐腐蚀试验:8%盐水浸泡480h,无疏松和剥落。
最后,还需要注意的是,以上列举的仅是本发明的若干个具体实施例。显然,本发明不限于以上实施例,还可以有许多变形。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形,均应认为是本发明的保护范围。
Claims (5)
1.一种绝缘电线杆的加工工艺,其包括如下步骤:步骤1)制备物料1,步骤2)制备物料2,步骤3)制备物料3,步骤4)制备混凝土,步骤5)制备电线杆。
2.根据权利要求1所述的加工工艺,其特征在于,所述加工工艺包括如下步骤:
步骤1)制备物料1:步骤1)将玉米秸秆和花生壳分别粉碎成玉米秸秆粉和花生壳粉,然后将玉米秸秆粉、花生壳粉以及氯化镁水溶液(8wt%)按照3:2:5的质量比混合,以300转/min的搅拌速度搅拌5分钟,得到物料1;
步骤2)制备物料2:将酒糟浸泡到两倍重量的5M盐酸溶液中20min,然后500rpm离心3min,收集沉淀,自然风干,粉碎成粉末,即得物料2;
步骤3)制备物料3:将白云石破碎,然后置于600℃煅烧30min,自然冷却,再与锯末按照2:1的质量比混合均匀,得到物料3;
步骤4)制备混凝土:将物料1中添加物料2,搅拌混合均匀得到第一混合物,然后添加物料3,搅拌混合均匀得到第二混合物,向第二混合物中添加石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水,搅拌混合均匀,静置10分钟,然后排出,即得混凝土;所述物料1、物料2、物料3、石英砂、高炉矿渣、花岗岩碎石、普通硅酸盐水泥以及水的质量比为6-9:7-12:3-5:20-30:20-30:30-50:60-90:80-120;
步骤5)制备电线杆:通过布料机将混凝土均匀分布在装有钢筋网的电杆模具内,经过张拉工艺后,采用离心工艺成型,静置6-8小时,脱模即得。
3.根据权利要求2所述的加工工艺,其特征在于,所述花岗岩碎石的粒径小于1cm。
4.根据权利要求2所述的加工工艺,其特征在于,所述普通硅酸盐水泥为42.5号普通硅酸盐水泥。
5.按照权利要求1-4任其一所述的加工工艺制备的电线杆。
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