發布時間:2026-04-23 07:11:08 人氣:233291 來源:
1彈簧的壓縮量
對dui於yu化hua工gong泵beng的de彈dan簧huang而er言yan,要yao對dui其qi壓ya縮suo量liang進jin行xing科ke學xue合he理li的de控kong製zhi,當dang壓ya縮suo量liang過guo大da時shi,就jiu會hui導dao致zhi摩mo擦ca副fu的de摩mo擦ca力li增zeng加jia,進jin而er大da大da增zeng加jia摩mo擦ca損sun失shi,隨sui著zhe摩mo擦ca副fu損sun失shi的de不bu斷duan增zeng加jia,就jiu會hui導dao致zhi當塗化工泵當塗機械密封失效,甚至還可能造成摩擦副燒毀,對化工生產的安全進行帶來嚴重的威脅;當彈簧的伸長量過大時,就可能導致彈簧無法對動環端麵進行有效的調節,進而使得泵的當塗機械密封失效,從而造成化工泵出現泄漏的現象。
2動環密封圈
化(hua)工(gong)泵(beng)動(dong)環(huan)密(mi)封(feng)圈(quan)的(de)張(zhang)緊(jin)度(du)要(yao)適(shi)當(dang),當(dang)其(qi)過(guo)緊(jin)時(shi),一(yi)方(fang)麵(mian),不(bu)僅(jin)會(hui)造(zao)成(cheng)軸(zhou)套(tao)與(yu)密(mi)封(feng)圈(quan)之(zhi)間(jian)的(de)摩(mo)擦(ca)力(li)過(guo)大(da),進(jin)而(er)大(da)大(da)增(zeng)加(jia)摩(mo)擦(ca)損(sun)失(shi),造(zao)成(cheng)化(hua)工(gong)泵(beng)的(de)當塗機械密封壽(shou)命(ming)的(de)大(da)大(da)縮(suo)短(duan),而(er)且(qie)還(hai)會(hui)使(shi)得(de)動(dong)環(huan)軸(zhou)向(xiang)的(de)調(tiao)整(zheng)以(yi)及(ji)移(yi)動(dong)的(de)阻(zu)力(li)增(zeng)加(jia),在(zai)化(hua)工(gong)泵(beng)的(de)工(gong)作(zuo)過(guo)程(cheng)中(zhong),當(dang)泵(beng)的(de)運(yun)行(xing)速(su)度(du)增(zeng)加(jia)後(hou),就(jiu)無(wu)法(fa)進(jin)行(xing)適(shi)時(shi)的(de)調(tiao)節(jie);另ling一yi方fang麵mian,過guo緊jin還hai會hui造zao成cheng化hua工gong泵beng彈dan簧huang出chu現xian過guo度du的de疲pi勞lao,長chang期qi處chu於yu超chao負fu荷he工gong作zuo狀zhuang態tai中zhong的de彈dan簧huang其qi使shi用yong時shi間jian就jiu會hui大da大da縮suo短duan,進jin而er導dao致zhi密mi封feng的de失shi效xiao。
3靜環密封圈
bengdejinghuanmifengquanyibanqingkuangxiachuyujingzhizhuangtai,yinci,shidangzengjiaqizhangjinchengdunenggouzaiyidingchengdushangtigaomifengxiaoguo,danshiburonghushideshi,jinghuanmifengquanguojinduihuagongbengde當塗機械密封也存在著不利的影響。首先,長期處於過緊狀態中的靜環密封圈會發生一定程度的塑性變形,進而對其密封性能帶來不利的影響;qici,jinghuanmifengquandadoucaiyongshimozhizuoercheng,youyucailiaodexingzhi,zaochengqizhicuiyisui,dangqishouliguodushijiyifashengposui,erqiejinghuanmifengquanguojinhuizaochenganzhuang,chaixiedengcaozuodebubian,congershidejinghuanmifengquanrongyifashengsunhuai。

4葉輪鎖母並非越緊越好
在化工泵的當塗機械密封泄xie露lu原yuan因yin中zhong,軸zhou套tao與yu軸zhou之zhi間jian的de泄xie漏lou所suo占zhan的de比bi例li較jiao高gao,因yin此ci,要yao對dui其qi給gei予yu足zu夠gou的de重zhong視shi。通tong常chang情qing況kuang下xia,軸zhou間jian泄xie漏lou主zhu要yao是shi由you葉ye輪lun鎖suo母mu未wei鎖suo緊jin所suo致zhi,但dan是shi能neng夠gou造zao成cheng泄xie漏lou的de原yuan因yin不bu僅jin限xian於yu此ci,例li如ru,軸zhou間jian墊dian圈quan失shi效xiao、偏(pian)移(yi)以(yi)及(ji)軸(zhou)與(yu)軸(zhou)套(tao)配(pei)合(he)處(chu)的(de)形(xing)位(wei)誤(wu)差(cha)較(jiao)大(da)等(deng)。因(yin)此(ci),鎖(suo)母(mu)過(guo)度(du)鎖(suo)緊(jin)隻(zhi)會(hui)導(dao)致(zhi)軸(zhou)間(jian)墊(dian)圈(quan)過(guo)早(zao)失(shi)效(xiao),相(xiang)反(fan)適(shi)度(du)鎖(suo)緊(jin)鎖(suo)母(mu),使(shi)軸(zhou)間(jian)墊(dian)圈(quan)始(shi)終(zhong)保(bao)持(chi)一(yi)定(ding)的(de)壓(ya)縮(suo)彈(dan)性(xing),在(zai)運(yun)轉(zhuan)中(zhong)鎖(suo)母(mu)會(hui)自(zi)動(dong)適(shi)時(shi)鎖(suo)緊(jin),使(shi)軸(zhou)間(jian)始(shi)終(zhong)處(chu)於(yu)良(liang)好(hao)的(de)密(mi)封(feng)狀(zhuang)態(tai)。
5新當塗機械密封的選擇
在當塗化工泵當塗機械密封泄露的處理過程中,不能一味地對當塗機械密封裝zhuang置zhi進jin行xing更geng換huan處chu理li,而er是shi要yao結jie合he化hua工gong泵beng的de實shi際ji情qing況kuang進jin行xing有you針zhen對dui性xing的de選xuan擇ze。例li如ru,對dui於yu輸shu送song滲shen透tou性xing介jie質zhi的de化hua工gong泵beng而er言yan,如ru果guo化hua工gong泵beng的de靜jing環huan沒mei有you發fa生sheng過guo度du的de磨mo損sun,就jiu不bu必bi對dui其qi更geng換huan處chu理li,這zhe是shi由you於yu靜jing環huan長chang時shi間jian的de處chu於yu靜jing止zhi的de狀zhuang態tai,這zhe樣yang使shi得de雜za質zhi以yi及ji聚ju合he物wu等deng沉chen積ji,從cong而er使shi得de當塗機械密封的效果更好。
6拆修總比不拆好
在處理當塗化工泵當塗機械密封shixiaodeguochengzhong,bunengyikaishijiuduiqijinxingchaixiuchuli,yaoduiqijinxingxitongquanmiandefenxihou,zaijuedingshifouyaojinxingchaixiu。bufenfashengyidingchengduxieloudehuagongbeng,qi當塗機械密封並沒有失效,仍處於良好的狀態之中,則不需要對其進行拆修處理,隻是通過對泵的運行工況的調整或者對當塗機械密封進行適當的調整就能夠將當塗機械密封xielouwentixiaochu,bujinnenggoutigaohuagongbengdejianxiuxiaolv,dadajieyuehuagongbengdeweixiushijian,nenggoujinkuaihuifuhuagongqiyedeshengchan,erqiehainengjieyuedaliangdeweixiuchengben,geihuagongqiyedailailianghaodejingjixiaoyi。