Ko da yake ana ganin bawul ɗin filastik wani lokaci azaman samfur na musamman - babban zaɓi na waɗanda ke yin ko ƙira samfuran bututun filastik don tsarin masana'antu ko waɗanda dole ne su sami kayan aiki masu tsafta a wurin - ɗauka cewa waɗannan bawul ɗin ba su da amfani da yawa gabaɗaya shine gajere. gani. A gaskiya ma, bawuloli na filastik a yau suna da nau'o'in amfani da yawa kamar yadda nau'ikan kayan haɓakawa da masu zanen kaya masu kyau waɗanda ke buƙatar waɗannan kayan suna nufin ƙarin hanyoyin da za a yi amfani da waɗannan kayan aiki masu dacewa.
KAYAN FALASTIC
Abubuwan amfani da bawuloli na thermoplastic suna da fadi-lalata, sunadarai da juriya; santsi na ciki ganuwar; nauyi mai sauƙi; sauƙi na shigarwa; tsawon rai; da rage tsadar rayuwa. Wadannan fa'idodin sun haifar da karbuwar bawul ɗin filastik a aikace-aikacen kasuwanci da masana'antu kamar rarraba ruwa, jiyya na ruwa, sarrafa ƙarfe da sinadarai, abinci da magunguna, masana'antar wutar lantarki, matatun mai da ƙari.
Ana iya ƙera bawul ɗin filastik daga abubuwa daban-daban da aka yi amfani da su a cikin adadin jeri. Mafi yawan bawul ɗin thermoplastic an yi su da polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), polypropylene (PP), da polyvinylidene fluoride (PVDF). Bawuloli na PVC da CPVC galibi ana haɗa su zuwa tsarin bututu ta hanyar ƙarewar siminti mai ƙarfi, ko zaren zaren da flanged; alhãli kuwa, PP da PVDF suna buƙatar haɗuwa da sassan tsarin bututu, ko dai ta fasahar zafi-, butt- ko electro-fusion.
Thermoplastic bawuloli sun yi fice a cikin mahalli masu lalata, amma suna da amfani sosai a sabis na ruwa na gabaɗaya saboda ba su da gubar1, juriya kuma ba za su yi tsatsa ba. PVC da CPVC tsarin bututu da bawuloli ya kamata a gwada da kuma ba da bokan zuwa NSF [National Sanitation Foundation] misali 61 don kiwon lafiya, ciki har da ƙananan gubar da ake bukata don Annex G. Za a iya sarrafa kayan da ya dace don lalata ruwa ta hanyar tuntuɓar juriya na masana'anta. jagora da fahimtar tasirin da zafin jiki zai yi akan ƙarfin kayan filastik.
Ko da yake polypropylene yana da rabin ƙarfin PVC da CPVC, yana da mafi yawan juriya na sinadarai saboda babu wasu abubuwan da aka sani. PP yana aiki da kyau a cikin ma'auni na acetic acid da hydroxides, kuma ya dace da mafita mafi sauƙi na yawancin acid, alkalis, salts da yawancin sunadarai na kwayoyin halitta.
Ana samun PP azaman abu mai launi ko mara launi (na halitta). PP na halitta yana da matuƙar ƙasƙantar da shi ta hanyar ultraviolet (UV) radiation, amma mahadi waɗanda suka ƙunshi fiye da 2.5% carbon baƙar fata pigmentation suna da isasshen UV.
Saboda thermoplastics suna kula da zafin jiki, ƙimar matsi na bawul yana raguwa yayin da zafin jiki ya tashi. Kayayyakin filastik daban-daban suna da daidaitaccen lalacewa tare da ƙara yawan zafin jiki. Zazzabi mai yuwuwa ba shine kawai tushen zafi wanda zai iya shafar ƙimar matsi na bawul ɗin filastik-mafi girman zafin jiki na waje yana buƙatar zama wani ɓangare na ƙira. A wasu lokuta, rashin ƙira don bututun zafin jiki na waje na iya haifar da wuce gona da iri saboda rashin tallafin bututu. PVC yana da matsakaicin zafin sabis na 140 ° F; CPVC yana da iyakar 220°F; PP yana da matsakaicin matsakaicin 180°F.
Ana samun bawul ɗin ƙwallon ƙwallon ƙafa, bawul ɗin duba, bawul ɗin malam buɗe ido da bawul ɗin diaphragm a cikin kowane kayan thermoplastic daban-daban don jadawalin tsarin bututun matsa lamba 80 waɗanda suma suna da ɗimbin zaɓin datsa da kayan haɗi. Daidaitaccen bawul ɗin ƙwallon ƙafa an fi samun shi azaman ƙirar ƙungiyar gaskiya don sauƙaƙe cirewar jikin bawul don kulawa ba tare da rushewar haɗa bututun ba. Ana samun bawul ɗin dubawa na thermoplastic azaman duban ƙwallon ƙwallon ƙafa, cakuɗe-haɗe, y-checks da mazugi. Bawuloli na malam buɗe ido cikin sauƙi suna haɗuwa tare da flanges na ƙarfe saboda sun dace da ramukan kulle, da'irar da'ira da gabaɗayan girman ANSI Class 150. Diamita mai santsi na cikin sassan thermoplastic kawai yana ƙara madaidaicin iko na bawul ɗin diaphragm.
Bawul ɗin ƙwallon ƙafa a cikin PVC da CPVC ana kera su da yawa daga kamfanonin Amurka da na ƙasashen waje a cikin girman 1/2 inch zuwa inci 6 tare da soket, zaren zaren ko haɗin haɗin flanged. Haƙiƙanin ƙirar ƙungiyar ƙwallon ƙafa na zamani ya haɗa da kwayoyi biyu waɗanda ke dunƙule jikin jiki, matsar da hatimin elastomeric tsakanin masu haɗin jiki da ƙarshen. Wasu masana'antun sun kiyaye tsayin bawul ɗin ball iri ɗaya da zaren goro tsawon shekaru da yawa don ba da izinin sauyawa tsofaffin bawuloli cikin sauƙi ba tare da gyaggyarawa zuwa bututun da ke kusa ba.
Shigar da bawul ɗin malam buɗe ido yana da sauƙi saboda waɗannan bawuloli ana ƙera su don zama salon wafer tare da hatimin elastomeric da aka ƙera a cikin jiki. Ba sa buƙatar ƙari na gasket. Saita tsakanin ɓangarorin mating guda biyu, ƙulla bawul ɗin malam buɗe ido dole ne a kula da shi da kulawa ta hanyar haura zuwa jujjuyawar da aka ba da shawarar a matakai uku. Ana yin wannan don tabbatar da hatimi ko da yaushe a saman saman kuma cewa ba a sanya madaidaicin damuwa na inji akan bawul.
Lokacin aikawa: Dec-24-2019 