皇冠足球比分

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PE给水管新老标准对比及影响管材质量的原因分析

作者: 编辑: 来源: 发布日期: 2019.12.12
信息摘要:
近年来,聚乙烯管材已成为继PVC之后,世界消费量第二大的塑料管道品种。给水用聚乙烯(PE)管材广泛应用于饮用水输送方面,随着管材市场竞争越来…

PE给水管

JINNIANLAI,JUYIXIGUANCAIYICHENGWEIJIPVCZHIHOU,SHIJIEXIAOFEILIANGDIERDADESULIAOGUANDAOPINZHONG。JISHUIYONGJUYIXI(PE)GUANCAIGUANGFANYINGYONGYUYINYONGSHUISHUSONGFANGMIAN,SUIZHEGUANCAISHICHANGJINGZHENGYUELAIYUEJILIE,GUANCAIDEZHILIANGANQUANWENTIYEYUELAIYUEDUO,QIYEDUICHANPINDEBIAOZHUNLIJIEBUGOU、MEIYOUYANGEZHIXINGBIAOZHUNYIJISHENGCHANGONGYIDENGYINSUSHIYINGXIANGCHANPINZHILIANGWENTIDEZHONGYAOYUANYIN。BIZHEJIEHEDUONIANCHANPINJIANCEJIYUQIYESHENGCHANJINGYAN,ZHENDUIYINGXIANGJISHUIYONGJUYIXI(PE)GUANCAIDEGUANJIANJISHUZHIBIAOJIZHILIANGWENTITICHULEYIXIEJIANYI。

1、GB/T13663.2—2018与GB/T13663—2000主要指标对比

皇冠足球比分 GB/T13663.2—2018《JISHUIYONGJUYIXI(PE)GUANDAOXITONGDI2BUFEN:GUANCAI》YIYU2018NIAN3YUE15RIFABU,BINGYU2018NIAN10YUE1RISHISHI,TIDAILEGB/T13663—2000 《JISHUIYONGJUYIXI(PE)GUANCAI》。GB/T13663.2—2018YUGB/T13663—2000XIANGBI,JISHUZHIBIAOZHUYAOYOUYIXIAJIFANGMIANDEBIANHUA:

(1)SHANCHULEPE63JICAILIAOZHIZAODEGUANCAI,JINBAOKUOPE80、PE100CAILIAOZHIZAODEGUANCAI;

皇冠足球比分 (2)ZENGJIALEZUIDAGONGZUOYALIBUDAYU2.0MPaHECANKAOGONGZUOWENDUWEI20℃DEYAOQIU;GUANCAIWAIJINGDEFANWEIYOU1000mmZENGJIADAO2500mm;

(3)XIUGAILEHUIYONGLIAODEYAOQIU:KESHAOLIANGSHIYONGLAIZIBENCHANGDETONGYIPAIHAODESHENGCHANTONGZHONGCHANPINDEQINGJIEHUIYONGLIAO,SUOSHENGCHANDEGUANCAIYINGFUHEBENBUFENDEYAOQIU。BUYINGSHIYONGWAIBUHUISHOULIAO、HUIYONGLIAO。ZAISHIYONGBENCHANGHUIYONGLIAODEQINGKUANGXIA,YOUZHIZAOSHANGYUYONGHUXIESHANGYIZHIBINGCAIYONGHESHIBIAOSHI;

皇冠足球比分 (4)GUIDINGGUANCAIZHANGDUBUYINGYOUFUPIANCHA;XIUGAILEGUANCAIPINGJUNWAIJINGYIJIRENYIYIDIANBIHOUDEYAOQIU;

皇冠足球比分 (5)DUIYUGUANCAIJINGYEYAQIANGDU(20℃,100h)SHIYANCANSHU,PE80DEHUANYINGLIYOU9.0MPaXIUGAIWEI10.0MPa,PE100 DEHUANYINGLIYOU12.4MPaXIUGAIWEI12.0MPa;DUIYUJINGYEYAQIANGDU(80℃,165h)SHIYANCANSHU,PE80DEHUANYINGLIYOU4.6 MPaXIUGAIWEI4.5MPa,PE100HUANYINGLIYOU5.5MPaXIUGAIWEI5.4MPa;

(6)WULILIXUEXINGNENGZHONGZENGJIALERONGTILIUDONGSULV、TANHEIHANLIANG、TANHEIFENSAN/YANLIAOFENSAN、HUIFEN、BIHOUDAYU12mmGUANCAIDUANLIESHENZHANGLVHENAIMANSULIEWENZENGZHANGDEYAOQIU;

(7)YANGHUAYOUDAOSHIJIANSHIYANCANSHUYOU“200℃,≥20min”XIUGAIWEI“210℃,≥20min”;

皇冠足球比分 (8)ZENGJIALENAIHUAXUEXINGNENGYIJIXITONGSHIYONGXINGYAOQIU。

2、主要指标检测方法及注意事项

皇冠足球比分 2.1SHIYANBIAOZHUNHUANJING

YINGZAIGUANCAISHENGCHANZHISHAO24hHOUQUYANG,ZAIWENDUWEI(23±2)℃DETIAOJIANXIAJINXINGZHUANGTAIDIAOJIEZHISHAO24h,BINGZAICITIAOJIANXIAJINXINGSHIYAN。SULIAOGUANCAISHOUWENDUDEYINGXIANGBIJIAODA,SHIYANSHIYINGJUBEIDADAOHENGWENTIAOJIANDEJIANCESHI,ZAIJIANCEGUOCHENGZHONGSHIYANSHIWENDUYINGMANZUYAOQIU。

2.2JIANCERENYUAN

皇冠足球比分 JIANCERENYUANYINGJINGGUOPEIXUNSHANGGANG,SHULIANZHANGWOYIQISHEBEICAOZUOGUICHENG,LIJIESHIYANFANGFABIAOZHUN,NENGGOUANZHAOBIAOZHUNYAOQIUJINXINGSHIYANYIJIJUBEIDUISHIYANJIEGUOJINXINGPANDUAN、JISUAN、SHUZHIQUSHEDENGNENGLI。

2.3CELIANGQIJU

SUOYONGCELIANGQIJUXUYAOJINGGUOJIANDINGHUOXIAOZHUN,BINGQIEMANZUCELIANGJINGDUDEYAOQIU。

2.4BIAOZHUNJIJIANCEHUANJIE

SHIYONGXIANXINGYOUXIAODECHANPINBIAOZHUNJIXIANGGUANYINYONGBIAOZHUN,GEGESHIYANGUOCHENGYINGYANGEZUNSHOUBIAOZHUNYAOQIU,YIBAOZHENGJIANCESHUJUZHUNQUEKEKAO。

2.5GUANJIANJISHUZHIBIAODEJIANCE

皇冠足球比分 2.5.1PINGJUNWAIJINGHEBIHOUDECELIANG

GENJUGB/T8806—2008《SULIAOGUANDAOXITONGSULIAOBUJIANCHICUNDECEDING》,GUANCAIPINGJUNWAIJINGKEYONGπCHICELIANG,DUIMEIGEXUANDINGDEJIEMIANSHANGYANHUANXIANGJUNYUNJIANGECELIANGDEYIXILIEDANGEZHIJISUANSUANSHUPINGJUNZHI(GONGCHENGCHICUN≤40mm,CELIANG4GE,40~630mmCELIANG6GE,600~1600mmCELIANG8GE,CHAOGUO1600mmCELIANG12GE);GUANCAIBIHOUKEYONGQIANFENCHICELIANG,ZAIXUANDINGDEBEICEMIANSHANG,YANHUANXIANGJUNYUNJIANGEZHISHAOXUAN6DIANJINXINGBIHOUCELIANG,RENYIDIANSHANGBIHOUDECELIANGZHIJINGQUEDAO0.1mm。

2.5.2JINGYEYAQIANGDUSHIYAN

皇冠足球比分 JINGYEYAQIANGDUSHIPINGJIAGUANCAIZHILIANGDEGUANJIANZHIBIAO,GUANNEIWAIJIEZHIJUNWEISHUI,WENDUDUISHIYANJIEGUOYINGXIANGHENDA,YINGBAOCHI(20±1)℃DEHENGDINGWENDU;YALIDUISHIYANJIEGUOYINGXIANGYEHENDA,YALIPIANCHAYINGBAOCHIZAIYAOQIUZHIDE(-1%~+2%)FANWEINEI,ZAI30s ZHI1hNEI,ZAIJINKENENGDUANDESHIJIANNEIJUNYUNPINGWENZENGJIADAOSHIYANYALI,GENJUGB/T6111—2018《LIUTISHUSONGYONGRESUXINGSULIAOGUANDAOXITONGNAINEIYAXINGNENGDECEDING》JINXINGCESHI。

皇冠足球比分 2.5.3YANGHUAYOUDAOSHIJIANCEDING

YANGHUAYOUDAOSHIJIANSHICEDINGSHIYANGZAIGUIDINGWENDU(210℃),TONGRUGUIDINGLIANGDEYANGQI,CEDINGKAISHIFASHENGZIDONGYANGHUACUIHUAFANYINGDESHIJIAN,JISHIYANGZHONGDEKANGYANGHUAWENDINGTIXIYIZHIYANGHUASHIJIAN。CESHI3GESHIYANG,JIEGUOQUZUIXIAOZHI。GENJUGB/T19466.6—2009 《SULIAOCHASHISAOMIAOLIANGREFA(DSC)DI6BUFEN:YANGHUAYOUDAOSHIJIAN(DENGWENOIT)HEYANGHUAYOUDAOWENDU(DONGTAIOIT)DECEDING》JINXINGCESHI。

2.5.4TANHEIHANLIANGCEDING

PEGUANCAIDETANHEIHANLIANGSHIYINGXIANGGUANCAIKANGLAOHUAXINGNENGDEZHUYAOZHIBIAO,HEISEGUANCAIDETANHEIHANLIANGWEI2.0%~2.5%,GENJUGB/T 13021—1991《JUYIXIGUANCAIHEGUANJIANTANHEIHANLIANGDECEDING(RESHIZHONGFA)》JINXINGCESHI。

2.5.5WEISHENGXINGNENG

GUANCAISHUSONGYINYONGSHUISHI,BIXUMANZUWEISHENGZHIBIAOYAOQIU,QIZHONGYOUYIXIANGBUHEGEZEPANDINGWEIBUHEGE。GENJUGB/T17219—1998 《SHENGHUOYINYONGSHUISHUPEISHUISHEBEIJIFANGHUCAILIAODEANQUANXINGPINGJIABIAOZHUN》JINXINGCESHI。

3、管材出现质量问题的原因和解决方法

PE管材在生产过程中会出现一些质量方面的问题,其中大多数是由于设备或原材料原因导致的。通过不断总结生产企业多年的生产实践经验以及检测机构的产品检测经验,分析了PE管材常见质量问题的产生原因和解决方法,如表1所示。图1:PE管材常见质量问题的产生原因和解决方法

4、总结

WEISHENGCHANHEGEDEPEGUANCAI,SHENGCHANQIYEYINGGUANZHUYIXIAJIGEFANGMIAN:

(1)BAHAOYUANCAILIAOJINHUOGUAN,DUIYUANCAILIAOGONGFANGJINXINGCHONGFENPINGJIA,GOUMAIHEGEDEYUANCAILIAO,GENJUYUANCAILIAODEJIANCEQINGKUANGJINXINGCHULI,RUHONGGAN,QUZAZHIDENG;

(2)XUANZEXINGJIABIGAODESHENGCHANSHEBEI,ZAIXUANZESHEBEIQIANYINGJINXINGCHONGFENDEKAOCHALUNZHENG,GOUZHISHIYIDESHEBEI;

(3)ZAISHENGCHANGUOCHENGZHONGZUODAOZHUNQUEGUIFAN,YANGEANZHAOCAOZUOGUICHENGHEGONGYICHENGXUJINXINGSHENGCHAN;

(4)TISHENGDUICHANPINZIJIANDENENGLI,CHUXIANBUHEGEQINGKUANGSHIYINGJISHICHAZHAOYUANYINBINGCAIQUZHENGQUEDEJIEJUEFANGFA,YIJIANGDIJINGJISUNSHI。SHENGCHANGUOCHENGZHONGJINGCHANGHUICHUXIANYIXIEWENTI,YINGBUDUANJILEIJIEJUEZHEIXIEWENTIDEFANGFA、JINGYAN、JIAOXUN,BUDUANTIGAOCHANPINZHILIANG。

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