名称:
邮箱:zzgyfmcgp@163.COM
电话: 0371-64691031
0371-64691017
0371-64691018
0371-64691019
传真:0371-64691016
高温安全阀安装调试以及选用设计
ANQUANFASHIGUOLU、YALIRONGQIHEQITASHOUYALISHEBEISHANGZHONGYAODEANQUANFUJIAN。QIDONGZUOKEKAOXINGHEXINGNENGHAOHUAIZHIJIEGUANXIDAOSHEBEIHERENSHENDEANQUAN,BINGYUJIENENGHEHUANJINGBAOHUJINMIXIANGGUAN。ZAISHIYOUHUAGONGZHUANGZHIDESHEJIZHONG,SUIZHESHEJIDAODEZHONG、GAOYAYALIDENGJIDESHEBEIYUGUANDAODEZENGDUO,ANQUANFADESHIYONGYEXIANGYINGDUOLEQILAI。YINCI,ANQUANFAZHENGQUE、HELIDEBUZHIJIUYOUWEIZHONGYAO。
1GAISHU
ANQUANFASHIGUOLU、YALIRONGQIHEQITASHOUYALISHEBEISHANGZHONGYAODEANQUANFUJIAN。QIDONGZUOKEKAOXINGHEXINGNENGHAOHUAIZHIJIEGUANXIDAOSHEBEIHERENSHENDEANQUAN,BINGYUJIENENGHEHUANJINGBAOHUJINMIXIANGGUAN。ZAISHIYOUHUAGONGQIYEDESHENGCHANGUOCHENGZHONG,YOUYUCAOZUOSHIWU、YIBIAOSHILING、JIXIEGUZHANGDENGYUANYIN,ZHISHISHEBEIHUOGUANDAONEIDEJIEZHIYALISHENGGAO,JIUYOUKENENGZAOCHENGSHEBEI、GUANDAODESUNHUAI,SHENZHIDUIRENYUANZAOCHENGSHENGMINGWEIHAI。ZAISHEBEIHUOGUANDAOSHANGSHEZHIANQUANFAHOU,DANGYALICHAOGUOGUIDINGZHISHIANQUANFAZIDONGKAIQI,BINGXIANGXITONGWAIPAIFANGJIEZHI,CONGERFANGZHILESHEBEIHUOGUANDAONEIDEYALICHAOGUOQIANQUANZHISUODAOZHIDESHENGCHANSHIGU。YINCI,ANQUANFAGUANGFANYUNYONGYUSHIYOUHUAGONGSHENGCHANZHUANGZHIZHONG,TADUIRENYUANANQUANHESHENGCHANDEZHENGCHANGYUNXINGQIDAOZHONGYAODEBAOHUZUOYONG。
2FENLEI
ANQUANFASHIYIZHONGANQUANBAOHUYONGFA,SHUYUZIDONGFALEI。ANANQUANFAFABANKAIQIGAODUKEFENWEIWEIQISHIANQUANFAHEQUANQISHIANQUANFA,WEIQISHIANQUANFADEKAIQIXINGCHENGGAODUWEI:≤0.105d0(XIAOPAIFANGHOUBUKOUJING),YIBANYONGYUPAILIANGBUDADELIUTIGUANLU;QUANQISHIANQUANFAKAIQIGAODUWEI:≤0.25d0(XIAOPAIFANGHOUBUKOUJING),PAIFANGLIANGDA;ANFATIGOUZAOLAIFEN,KEFENWEIFENGBISHIHEBUFENGBISHILIANGZHONG。FENGBISHIANQUANFAJIPAICHUDEJIEZHIBUWAIXIE,QUANBUYANZHECHUKOUPAIXIEDAOGUIDINGDIDIAN,YIBANYONGZAIYOUDUHEFUSHIXINGJIEZHIZHONG。DUIYUKONGQIHEZHENGQIYONGANQUANFA,DUOCAIYONGBUFENGBISHIANQUANFA;ANQUANFAANJIEGOUXINGSHILAIFEN,KEFENWEIXIALIE4ZHONG:
2.1ZHONGCHUISHI。YIZHONGCHUIWEIHEZAI,ZHIJIEJIAZAIFABANSHANG。MUQIANYIZHUJIANTAOTAI。
2.2GANGGANZHONGCHUISHI。TONGGUOGANGGANSHIZHONGCHUIDEZAIHEZUOYONGZAIFABANSHANG。YIBANSHIYONGYUXIEYAWEI0.6MPa、WENDUZAI250℃YIXIADEZHENGQIHUOKONGQI。YOUYUGANGGANSHIANQUANFATIJIPANGDAWANGWANGXIANZHILEXUANYONGFANWEI。
2.3DANHUANGSHI。DANHUANGSHIANQUANFAZHUYAOYIKAOZUOYONGZAIFABANSHANGDEDANHUANGLIKONGZHIFADEQIBI,JUYOUJIEGOUJINCOU、TIJIXIAO、ZHONGLIANGQINGHEQIBIDONGZUOKEKAODEYOUDIAN。GONGYISHEBEI、GUANDAOSHANGDEANQUANFAYIBANCAIYONGDANHUANGSHI,FATIXIAO、LINGMINDUHAO,SHIYONGYUGEZHONGQI、YETIDEXIEYA。DANHUANGSHIANQUANFAZHONGYOUYOUFENGBIHEBUFENGBIDE,YIBANYIRAN、YIBAOHUOYOUDUDEJIEZHIYINGXUANYONGFENGBISHI,ZHENGQIHUODUOXINGQITIDENGKEYIXUANYONGBUFENGBISHI,ZAIDANHUANGSHIANQUANFAZHONGHAIYOUDAIBANSHOUHEBUDAIBANSHOUDE。BANSHOUDEZUOYONGZHUYAOSHIJIANCHAFABANDELINGHUOCHENGDU,YOUSHIYEKEYIYONGZUOSHOUDONGJINJIXIEYAYONG。
2.4先导式(脉冲式)。利用导阀与主阀连在一起,通过导阀的脉冲作用驱动主阀动作。适用于大口径、大排量及高压系统。先导式安全阀与导阀采用无缝管接通,由先导阀来感测被控压力信号并控制主阀的启闭。其动作过程是:当安全阀的阀前压力低于整定压力时,先导阀整定弹簧将阀芯推向阀座密封面,气体介质经导阀进口进入主阀阀芯上腔,使阀芯下移贴紧阀座,导阀和主阀都处于无泄漏的关闭状态;当阀前压力达到或高于整定压力时,介质压力克服整定压力,弹簧将导阀阀芯推向上移,导阀受力面积由阀芯面积转化为活塞受力面积,受力面积增加上升力增大,导阀开启。主阀阀套上腔内的气体从导阀出口排出,主阀打开,介质迅速排放,活塞行程到大位置。当介质压力排放到一定压力时,通过活塞阻尼孔的介质压力使活塞上下两端产生面积压差平衡,启闭压差由活塞上下两端面积压差平衡实现,当阀前压力降回到工作压力以下时,在较小弹簧力作用下,阀芯下移实现其密封。导阀关闭,主阀也就随之而关闭。
3ANQUANFADEANZHUANGSHEZHI
ZAISHIYOUHUAGONGZHUANGZHIDESHEJIZHONG,SUIZHESHEJIDAODEZHONG、GAOYAYALIDENGJIDESHEBEIYUGUANDAODEZENGDUO,ANQUANFADESHIYONGYEXIANGYINGDUOLEQILAI。YINCI,ANQUANFAZHENGQUE、HELIDEBUZHIJIUYOUWEIZHONGYAO。
3.1SHEBEIHUOGUANDAOSHANGDEANQUANFAYIBANYINGCHUIZHIANZHUANG,BINGJINLIANGKAOJINBEIBAOHUDESHEBEIHUOGUANDAO。DANDUISHEZHIDEYETIGUANDAO、HUANREQIHUORONGQIDENGCHUDEANQUANFA,DANGFAMENGUANBIHOU,KENENGYOUYUREPENGZHANGERSHIYALISHENGGAODECHANGSUO,KESHUIPINGANZHUANG。
3.2ANQUANFAYIBANYINGANZHUANGZAIYIYUJIANXIUHEDIAOJIEZHICHU,ZHOUWEIYAOYOUZUGOUDEGONGZUOKONGJIAN。RU:LISHIRONGQIDEANQUANFA,DN80YIXIAZHE,KEANZHUANGZAIPINGTAINEIKAOWAICE;DN100YISHANGZHEANZHUANGZAIPINGTAIWAIKAOPINGTAICHU,JIEZHUPINGTAIKEYIDUIFAMENJINXINGWEIXIUHEJIANXIU。QIEBUYINGANZHUANGZAIZHANGDESHUIPINGGUANDAODESIDUAN,YIMIANJIJUGUTIWUHUOYETI。
3.3GUANDAOSHANGANZHUANGDEANQUANFA,YINGWEIYUYALIBIJIAOWENDING,JUBODONGYUANYOUYIDINGJULIDEDIFANG,JIANTU1JIBIAO1。
3.4ANQUANFAXIANGDAQIPAIFANGSHI,DUIYUYIBANWUHAIJIEZHI(RUKONGQIDENG)PAIFANGGUANKOUYAOGAOCHUYIPAIFANGKOUWEIZHONGXINDE715mBANJINGFANWEINEIDECAOZUOPINGTAI、SHEBEIHUODIMIAN2.5mYISHANG。ERDUIYOUFUSHIXING、YIRANHUOYOUDUDEJIEZHI,PAIFANGKOUYAOGAOCHU15mBANJINGFANWEINEIDECAOZUOPINGTAI、SHEBEIHUODIMIAN3mYISHANG。
3.5ANQUANFACHUKOUJIEWANGXIEYAZONGGUANSHI,YAOYOUSHANGBUSHUNZHELIUXIANGYI45°JIAOCHARUZONGGUAN,YIMIANZONGGUANNEIDENINGYEDAORUZHIGUAN,BINGKEJIANSHAOANQUANFADEBEIYA。DANGANQUANFADINGYADAYU710MPaSHI,BIXUCAIYONG45°CHARU,RUTU2ZHONGTUaSUOSHI。
3.6SHIQITIXIEYAXITONGPAIFANGGUANNEIBUYINGYOUDAIXINGJIYECHU,ANQUANFADEANZHUANGGAODUYINGGAOYUXIEYAXITONG。RUOANQUANFACHUKOUDIYUXIEYAZONGGUANHUOPAICHUGUANXUYAOTAIGAOJIERUZONGGUANSHI,YINGZAIDICHUYIYUJIEJINDEDIFANGSHEYETICHUGUANHEYEWEIJIHUOSHOUDONGFANGYEFA,BINGDINGQIPAIFANGZHIMIBIXITONGYIMIANDAIXINGGUANDUANJIYE。LINGWAIZAIHANLENGDIQU,DAIXINGGUANDUANXUYAOZHENGQIBANREFANGDONG。ZHENGQIBANREGUANYEKESHIDAIXINGGUANNEIDELENGNINGYEQIHUA,BIMIANJIYE。DANJISHICAIYONGBANREGUAN,SHOUDONGFANGYEFARENGSHIBIXUDE。
3.7ANQUANFACHUKOUGUANDESHEJIYINGKAOLVBEIYABUCHAOGUOANQUANFADINGYADEYIDINGZHI。DUIYUDANHUANGSHIANQUANFA,PUTONGXINGQIBEIYAYIBANBUYICHAOGUOFADINGYADE10%,BOWENGUANXING(PINGHENGXING)QIBEIYAYIBANBUYICHAOGUOANQUANFAYADE30%;DUIYUXIANDAOSHIANQUANFA,QIBEIYABUCHAOGUOANQUANFADINGYADE60%。JUTISHUZHIYINGCHAYUEZHIZAOCHANGYANGBEN,JINGGONGYIJISUANJUEDING。
3.8YOUYUQITIHUOZHENGQIYOUANQUANFACHUKOUPAIRUDAQISHI,ZAICHUKOUGUANZHONGXINXIANSHANGCHANSHENGYULIUXIANGXIANGFANDEZUOYONGLI,CHENGWEIANQUANFADEFANZUOYONGLI。ZAIJINXINGANQUANFACHUKOUGUANDAOSHEJISHI,YINGKAOLVCIZUOYONGLIDEYINGXIANG。RU:ANQUANFACHUKOUGUANYINGSHEGUDINGZHIJIA;DANGANQUANFARUKOUGUANDUANJIAOZHANGSHI,YALIRONGQIBIYINGBUQIANG。
4JIEYU
ANQUANFASHEZHIDEZHENGQUEYUFOUDUIZHENGGEZHUANGZHIXITONGDEANQUANSHENGCHANQIZHEJUZUQINGZHONGDEZUOYONG,ANQUANFADESHEJIHEXUANXINGDUIYUYALIRONGQIHEYALIGUANDAODESHEJIHESHIYONGYESHIZHIGUANZHONGYAODEHUANJIE,YINCIYINGYINQISHEJIGONGZUOZHEDEGAODUZHONGSHI,FOUZEANQUANSHENGCHANJIUCHENGWEIYIJUKONGHUA。