{"id":7135,"date":"2023-06-05T11:39:49","date_gmt":"2023-06-05T09:39:49","guid":{"rendered":"https:\/\/shukalb.al\/?p=7135"},"modified":"2023-06-05T11:40:34","modified_gmt":"2023-06-05T09:40:34","slug":"7135-2","status":"publish","type":"post","link":"https:\/\/shukalb.al\/?p=7135&lang=sq","title":{"rendered":"Shmangia e problemit t\u00eb presionit t\u00eb ul\u00ebt t\u00eb valvulave t\u00eb ajrimit"},"content":{"rendered":"

Shmangia e problemit t\u00eb presionit t\u00eb ul\u00ebt t\u00eb valvulave t\u00eb ajrimit<\/strong><\/p>\n

\"\"
Valvulat e \u00e7lirimit t\u00eb ajrit Pratt bllokojn\u00eb ajrin n\u00eb pikat e larta t\u00eb tubacionit p\u00ebr t\u00eb parandaluar shkarkime presioni q\u00eb mund t\u00eb shkaktoj\u00eb d\u00ebmtim t\u00eb sistemit<\/em>
Foto nga Kompania Henry Pratt<\/em><\/figcaption><\/figure>\n

Valvulat e \u00e7lirimit t\u00eb ajrit luajn\u00eb nj\u00eb rol kritik n\u00eb ruajtjen e integritetit t\u00eb tubacionit n\u00eb sistemet e trajtimit t\u00eb ujit dhe uj\u00ebrave t\u00eb ndotura, por operator\u00ebt e impianteve p\u00ebrballen me nj\u00eb problem t\u00eb zakonsh\u00ebm: shumica e valvulave nuk mbyllen si\u00e7 duhet n\u00eb presione m\u00eb t\u00eb ul\u00ebta pa ndryshuar n\u00eb nj\u00eb vend m\u00eb t\u00eb but\u00eb, q\u00eb \u00ebsht\u00eb kur sistemi \u00ebsht\u00eb m\u00eb i rrezikuar. Kjo ndodh sepse shumica e valvulave t\u00eb \u00e7lirimit t\u00eb ajrit n\u00eb treg mbyllen mir\u00eb n\u00eb presion t\u00eb lart\u00eb, por k\u00ebrkojn\u00eb nj\u00eb ndryshim t\u00eb pap\u00ebrshtatsh\u00ebm t\u00eb gryk\u00ebs p\u00ebr t\u00eb funksionuar si\u00e7 duhet n\u00eb presione t\u00eb ul\u00ebta<\/p>\n

N\u00eb Amerik\u00ebn e Veriut, p\u00ebr shembull, nj\u00eb nd\u00ebrmarrje uji z\u00ebvend\u00ebsoi koh\u00ebt e fundit valvulat e kombinuara n\u00eb nj\u00eb stacion pompimi transferimi, p\u00ebr impiantin e tij t\u00eb trajtimit. Megjithat\u00eb, kur stacioni funksiononte me presion shum\u00eb t\u00eb ul\u00ebt – \u00e7do gj\u00eb n\u00ebn 7 bar (10 psi) – valvulat e reja nuk u mbyll\u00ebn. Zgjidhja p\u00ebrfundimtare p\u00ebrfshin \u00e7aktivizimin e funksionit t\u00eb l\u00ebshimit t\u00eb ajrit n\u00eb valvulat e kombinimit dhe instalimin e nj\u00eb valvule t\u00eb avancuar t\u00eb \u00e7lirimit t\u00eb ajrit p\u00ebr t\u00eb trajtuar presionet m\u00eb t\u00eb ul\u00ebta.<\/p>\n

\u00c7el\u00ebsi p\u00ebr t\u00eb shmangur k\u00ebto probleme, nd\u00ebrkoh\u00eb q\u00eb arrihet performanca optimale, \u00ebsht\u00eb zgjedhja e valvulave t\u00eb \u00e7lirimit t\u00eb ajrit q\u00eb funksionojn\u00eb n\u00eb veprime me presion t\u00eb ul\u00ebt dhe t\u00eb lart\u00eb. Lajmi i mir\u00eb \u00ebsht\u00eb se ka disa produkte t\u00eb avancuara t\u00eb valvulave t\u00eb l\u00ebshimit t\u00eb ajrit n\u00eb treg q\u00eb mbyllen n\u00eb nj\u00eb gam\u00eb shum\u00eb m\u00eb t\u00eb gjer\u00eb, k\u00ebshtu q\u00eb nuk nevojitet ndryshim i gryk\u00ebs.<\/p>\n

Si funksionojn\u00eb valvulat e \u00e7lirimit t\u00eb ajrit<\/strong><\/p>\n

Valvulat e \u00e7lirimit t\u00eb ajrit jan\u00eb t\u00eb dizajnuara p\u00ebr t\u00eb \u00e7liruar ajrin e bllokuar q\u00eb mblidhet n\u00eb pikat e larta t\u00eb nj\u00eb tubacioni. K\u00ebto valvola l\u00ebshojn\u00eb vazhdimisht ajrin nga sistemet, duke parandaluar k\u00ebshtu formimin e xhepave t\u00eb m\u00ebdhenj t\u00eb ajrit q\u00eb mund t\u00eb shkaktojn\u00eb shkarkime presioni q\u00eb do t\u00eb d\u00ebmtojn\u00eb sistemin.<\/p>\n

Nd\u00ebrsa ajri grumbullohet n\u00eb valvul\u00ebn e l\u00ebshimit t\u00eb ajrit, uji zhvendoset, duke b\u00ebr\u00eb q\u00eb pluskimi prej \u00e7eliku inox t\u00eb bjer\u00eb n\u00eb nj\u00eb pik\u00eb ku hapet hapja e valvul\u00ebs dhe ajri i grumbulluar \u00e7lirohet n\u00eb atmosfer\u00eb. Niveli i ujit n\u00eb valvul\u00ebn e ajrimit pastaj rritet dhe mbyll gryk\u00ebn e valvul\u00ebs edhe nj\u00eb her\u00eb. Ky cik\u00ebl p\u00ebrs\u00ebritet kur \u00ebsht\u00eb e nevojshme, duke shmangur formimin e xhepave t\u00eb ajrit potencialisht shkat\u00ebrrues.<\/p>\n

N\u00eb shum\u00eb instalime ku mungojn\u00eb valvulat e \u00e7lirimit t\u00eb ajrit, xhepat e m\u00ebdhenj t\u00eb ajrit n\u00eb tubacion shkaktojn\u00eb rritjen e konsumit t\u00eb energjis\u00eb dhe uljen e rrjedh\u00ebs, ndonj\u00ebher\u00eb plot\u00ebsisht. Akumulimi i tep\u00ebrt i ajrit mund t\u00eb shkaktoj\u00eb gjithashtu k\u00ebputje t\u00eb tubacionit, t\u00eb cilat gabimisht i atribuohen vendosjes s\u00eb tok\u00ebs ose tubit me defekt. N\u00eb k\u00ebto raste, xhepat jasht\u00ebzakonisht t\u00eb m\u00ebdhenj t\u00eb ajrit mund t\u00eb rrisin shum\u00eb presionin e mbingarkesave q\u00eb ndodhin normalisht deri n\u00eb pik\u00ebn ku ndalimet e papritura dhe fillimi i rrjedh\u00ebs mund t\u00eb shkaktojn\u00eb k\u00ebputje t\u00eb nj\u00eb tubi.<\/p>\n

Grackat q\u00eb duhen shmangur<\/strong><\/p>\n

Zgjedhja e valvul\u00ebs s\u00eb duhur t\u00eb \u00e7lirimit t\u00eb ajrit p\u00ebr \u00e7do aplikim uji \u00ebsht\u00eb nj\u00eb detyr\u00eb kritike. Vler\u00ebsuesit e produktit duhet t\u00eb din\u00eb presionet m\u00eb t\u00eb ul\u00ebta dhe m\u00eb t\u00eb larta q\u00eb mund t\u00eb priten, si dhe shpejt\u00ebsin\u00eb e rrjedh\u00ebs, m\u00eb pas t\u00eb zgjedhin nj\u00eb valvul q\u00eb mund ti p\u00ebrballoj\u00eb t\u00eb treja.<\/p>\n

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Valvula e \u00e7lirimit t\u00eb ajrit Pratt
Foto nga Kompania Henry Pratt<\/figcaption><\/figure>\n

Nj\u00eb gabim i zakonsh\u00ebm \u00ebsht\u00eb specifikimi i valvulave t\u00eb \u00e7lirimit t\u00eb ajrit q\u00eb adresojn\u00eb presionin maksimal t\u00eb mundsh\u00ebm n\u00eb vend t\u00eb presionit aktual t\u00eb funksionimit.<\/p>\n

Shkat\u00ebrrimi i valvulave t\u00eb \u00e7lirimit t\u00eb ajrit t\u00eb krijuara posa\u00e7\u00ebrisht p\u00ebr p\u00ebrdorim n\u00eb situata me presion t\u00eb ul\u00ebt \u00ebsht\u00eb se d\u00ebmtimi mund t\u00eb ndodh\u00eb me kalimin n\u00eb presion t\u00eb lart\u00eb.<\/p>\n

Valvulat e avancuara t\u00eb \u00e7lirimit t\u00eb ajrit kan\u00eb materiale t\u00eb p\u00ebrmir\u00ebsuara, duke i lejuar ato t\u00eb funksionojn\u00eb n\u00eb nj\u00eb gam\u00eb m\u00eb t\u00eb gjer\u00eb presionesh, duke p\u00ebrfshir\u00eb presione shum\u00eb m\u00eb t\u00eb ul\u00ebta, sesa valvulat standarde t\u00eb \u00e7lirimit t\u00eb ajrit. Kjo ka t\u00eb ngjar\u00eb t\u00eb p\u00ebrfshij\u00eb nj\u00eb lidhje t\u00eb konstruksionit prej \u00e7eliku inox 316, i cili mund t’i rezistoj\u00eb presionit t\u00eb rritjes s\u00eb sistemit t\u00eb projektuar pa d\u00ebshtim; trup dhe mbules\u00eb prej konstruksioni duktil hekuri; pjes\u00ebt e brendshme t\u00eb valvulave dhe bulonat e mbules\u00ebs prej \u00e7eliku inox 316; dhe nj\u00eb buton me hapje gome t\u00eb b\u00ebr\u00eb nga monomer etilen propilen diene (EPDM) p\u00ebr t\u00eb nxitur mbylljen e pap\u00ebrshkueshme nga uji.<\/p>\n

\u00c7elik inox 316 ofron rritje t\u00eb rezistenc\u00ebs ndaj korrozionit dhe forc\u00eb n\u00eb temperatura m\u00eb t\u00eb larta.<\/p>\n

Valvulat e l\u00ebshimit t\u00eb ajrit luajn\u00eb nj\u00eb rol ky\u00e7 n\u00eb operacionet e ujit dhe uj\u00ebrave t\u00eb ndotura. Zgjedhja e produktit t\u00eb dizajnuar si\u00e7 duhet \u00ebsht\u00eb \u00e7el\u00ebsi p\u00ebr t\u00eb shmangur problemet e mundshme t\u00eb situatave me presion t\u00eb ul\u00ebt.<\/p>\n

_____<\/p>\n

Author: Timothy Fallon \u2013 Menaxher Teknik i Shitjeve p\u00ebr kompanin\u00eb Henry Pratt <\/em><\/p>\n

Timothy Fallon ka qen\u00eb n\u00eb industrin\u00eb e valvulave p\u00ebr m\u00eb shum\u00eb se 25 vjet dhe ka nj\u00eb njohuri t\u00eb fort\u00eb teknike t\u00eb inxhinieris\u00eb s\u00eb valvulave p\u00ebr t\u00eb siguruar q\u00eb klient\u00ebt t\u00eb ken\u00eb zgjidhjen optimale t\u00eb kontrollit t\u00eb rrjedh\u00ebs.<\/em><\/p>\n

Llojet e valvulave Pratt\u00ae p\u00ebrfshijn\u00eb valvulat flutur, kontrollues, priz\u00eb, drejtk\u00ebnd\u00ebshe, toptha, b\u00ebrthamore, industriale, kon\u00ecke, mbrojtje nga zjarri dhe shp\u00ebrndarje t\u00eb energjis\u00eb p\u00ebr p\u00ebrdorim n\u00eb uj\u00ebrat e pijsh\u00ebm, uj\u00ebrat e ndotura, prodhimin e energjis\u00eb, tregjet industriale dhe ato b\u00ebrthamore. Pratt \u00ebsht\u00eb kompania Mueller Water Products, nj\u00eb prodhues dhe tregtar kryesor i produkteve dhe sh\u00ebrbimeve t\u00eb p\u00ebrdorura n\u00eb transmetimin, shp\u00ebrndarjen dhe matjen e ujit.<\/em><\/p>\n

Sh\u00ebnim:<\/em><\/strong> Mueller International Holdings Ltd<\/a> \u00ebsht\u00eb an\u00ebtar i SHUKALB<\/em><\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Shmangia e problemit t\u00eb presionit t\u00eb ul\u00ebt t\u00eb valvulave t\u00eb ajrimit Valvulat e \u00e7lirimit t\u00eb ajrit luajn\u00eb nj\u00eb rol kritik n\u00eb ruajtjen e integritetit t\u00eb tubacionit n\u00eb sistemet e trajtimit<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281],"tags":[],"class_list":["post-7135","post","type-post","status-publish","format-standard","hentry","category-burimi"],"_links":{"self":[{"href":"https:\/\/shukalb.al\/index.php?rest_route=\/wp\/v2\/posts\/7135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shukalb.al\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shukalb.al\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shukalb.al\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/shukalb.al\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7135"}],"version-history":[{"count":0,"href":"https:\/\/shukalb.al\/index.php?rest_route=\/wp\/v2\/posts\/7135\/revisions"}],"wp:attachment":[{"href":"https:\/\/shukalb.al\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shukalb.al\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shukalb.al\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}