Ra'ayoyi: 0 Mawallafi: Lokacin Buga Editan Yanar Gizo: 2026-09-09 Asalin: Shafin
A cikin sufurin gini, lokaci yayi daidai da kuɗi. Saurin saukewa kai tsaye yana fassara zuwa mafi girman ribar jiragen ruwa, amma zabar babban rig ɗin da ya dace yana da ƙalubale. Shin kuna ba da fifiko ga ingantaccen tsaftataccen siffa na V-siffa, ko kuna buƙatar babban ƙarfin ɗaukar nauyi na siffar W? A cikin wannan cikakkiyar jagorar, mun rushe bambance-bambancen injiniya na asali tsakanin waɗannan manyan ƙira biyu. Za mu kwatanta ingancin fitar da su, ƙarfin ɗaukar nauyi, da aikin babbar hanya gabaɗaya ta fuskar aiki.
Bayanan kasuwa na baya-bayan nan yana nuna tabbataccen canji a kayan aikin gini. Yayin da ayyukan samar da ababen more rayuwa ke karuwa a duniya, masu gudanar da jiragen ruwa suna fuskantar matsananciyar matsananciyar wahala tsakanin canjin farashin dizal da tsauraran ka'idoji masu nauyi na babbar hanya. Zamanin siye-daya-daya ya ƙare. Halin masana'antu na yau yana fifita bayanai masu nauyi da ingantawa. Saboda haka, zabar tsakanin geometries masu siffa V-V da W ba shine kawai batun fifikon direba ba. Dabarar dabara ce don rage mataccen nauyi, yaƙi da hauhawar yawan man fetur, da kuma ƙara yawan kayan aiki akan kowane gudu guda.
Trailers masu Siffar V-Siffa sun ƙunshi babban hopper mai tsayi guda ɗaya. Suna ba da ingantaccen fitarwa-taimakon nauyi da ragowar kayan abu kaɗan, yana mai da su ma'auni don ayyukan 30cbm zuwa 45cbm.
W-Siffar Tankuna suna amfani da ƙirar hopper dual-hopper. Wannan yana ba da damar haɓaka ƙarfin ɗaukar nauyi mai mahimmanci (har zuwa 80cbm) da ƙaramin cibiyar nauyi, haɓaka haɓakar kwanciyar hankali sosai don 4-axle, jigilar kaya mai girma.
Ba a tsara ingancin fitar da su ta hanyar siffa kaɗai ba. Ya dogara da madaidaicin daidaituwa tsakanin tsarin ruwa na tirela, ingantaccen fitarwar iska mai ƙarfi (yawanci 12m³/min), da kusurwoyi na geometric na ciki.
Zaɓin mafi kyawun jirgin ruwa yana buƙatar kimanta takamaiman sigogin filin: yawan kaya, nisa na yau da kullun, da matsakaicin ƙarar da ake buƙata kowace tafiya.
Kulawa na rigakafi na damfarar iska da zanen ruwa ya zama tilas don kiyaye saurin fitarwa daga 1.2 zuwa 1.5 ton/min akan tsawon rayuwar kayan aiki.
Don yanke shawarar siyan da aka sani, dole ne ka fara fahimtar injiniyoyin waɗannan motoci na musamman. Wadannan rigs ba sauƙaƙan juji ba ne. Tasoshin matsin lamba ne da aka kera su musamman don jigilar kaya da jigilar busassun kayan foda kamar siminti na Portland, ash gardama, da lemun tsami.
A pneumatic girma trailer aiki a kan ka'idodin matsa lamba bambanci. Ba kamar daidaitattun tirelolin juji waɗanda suka dogara kacokan akan nauyi ba, waɗannan tankunan an rufe su da hatimi. Jerin zazzagewa yana buƙatar na'urar kwampreso na iska ko na waje, yawanci injin dizal ko PTO ke motsa shi.
A cikin filin, sauke kaya ba kawai don buɗe bawul ba ne. Compressor yana fitar da iska mai girma zuwa cikin tankin da aka rufe, a hankali yana gina matsa lamba na ciki zuwa takamaiman bakin aiki. Ga mafi yawan daidaitattun raka'a, wannan tabo mai dadi yana shawagi a kusa da 0.2 MPa (kimanin 29 psi). Da zarar an sami matsi mafi kyau, mai aiki yana fasa buɗa bawul ɗin fitarwa. Bambance-bambancen da aka samu tsakanin matsi na ciki da silo na ajiyar waje yana tilasta foda da sauri ta hanyar bututun fitarwa zuwa sama zuwa wurin da ake nufi.
Busasshen siminti yana da taurin kai. Yana da ƙaƙƙarfan foda mai haɗin kai wanda baya gudana ta hanyar halitta. Don sauƙaƙe motsi, waɗannan na'urori suna amfani da tsari mai mahimmanci da ake kira 'ruwa.' Zurfafa cikin ƙananan sashin tanki yana zaune wani gado mai ruwa, an lulluɓe shi da zane na musamman mai yuwuwa ko ragar roba.
Lokacin da aka shigar da iska mai matsewa a ƙarƙashin wannan zane, yana ratsawa ko'ina sama. Wannan iska yana haɗuwa da barbashi na siminti, yana karya haɗin kai kuma yana rage juzu'i. A sakamakon haka, m foda na dan lokaci ya zama kamar ruwa. Yana gudana sannu a hankali zuwa mafi ƙasƙanci na tanki. Kwancen ciki na tanki yana da mahimmanci a nan, yana aiki tare da nauyi don jagorantar foda mai ruwa da kyau zuwa ga bawuloli masu fita.
Zane mai siffar V ya kasance ɗaya daga cikin ingantaccen gine-ginen gine-gine a kayan aikin gini. Sunanta ya fito ne daga bayanin martabar gefensa na musamman, wanda a gani yayi kama da harafin 'V' saboda guda ɗaya, tsakiyar rami mai gangara ƙasa.
Injiniyan tsarin a nan yana kewaye da hopper mai mazugi ɗaya. Dukansu sassan gaba da na baya na tankin tanki sun gangara zuwa ƙasa zuwa wurin fitarwa guda ɗaya na tsakiya wanda yake a ƙasan ƙasa.
Domin akwai hopper guda ɗaya kawai, gadon motsa jiki na ciki yana madaidaiciya. Injiniyoyi suna ƙididdige kusurwoyi masu zurfi na ciki don da gangan su wuce kusurwar busasshiyar siminti (yawanci digiri 40 zuwa 45). Wannan zaɓin tsarin yana tabbatar da cewa lokacin da aka ƙera kayan, ƙarfin nauyi yana jan duk abin da aka biya zuwa ga bawul ɗin fita guda ɗaya. Kusan babu filaye mai lebur da foda zai iya tarawa.
Ribobi:
Ƙananan Rago Rate: Babban fa'idar a Tirelar siminti mai siffar V shine ingantaccen iyawar sa mai tsabta. Tare da ci gaba da gangarawa da fita guda ɗaya, ragowar ragowar sau da yawa sau da yawa ƙananan ƙananan ne - yawanci ƙasa da 0.3%.
Aiki mafi sauƙi: Sarrafa bawul ɗin fitarwa ɗaya yana rage kuskuren mai aiki. Yana sauƙaƙa aikin saukewa akan rudani, wuraren aiki masu sauri.
Sauƙaƙan Kulawa: Rarrafe cikin keɓaɓɓen sarari na hopper don musanya zane mai makafi yana da sauri sosai lokacin da ɗaki ɗaya kawai don sabis.
Inganci don Madaidaicin Juzu'i: Don kayan aikin gama-gari waɗanda ke jere daga 30 cubic meters (cbm) zuwa 45 cbm, wannan ƙirar tana da ƙarfi da inganci sosai.
Fursunoni:
Ƙimar Tsayi da Ƙarfafawa: Saboda ƙirar ta dogara da kusurwoyi masu tsayi da ke kaiwa zuwa aya ɗaya, ƙara ƙarar ƙarar yana buƙatar yin tanki mai tsayi. Tankin da ya fi tsayi yana ɗaga tsakiyar abin abin hawa, wanda ke yin mummunan tasiri ga aikin iska kuma yana ƙara haɗarin jujjuyawa yayin juyawa mai kaifi.
Kamar yadda buƙatun masana'antu ke matsawa don haɓaka ƙarfin ɗaukar nauyi, injiniyoyi sun haɓaka ƙirar W-dimbin yawa. Wannan gine-ginen yana magance iyakokin ƙarar saitin mazugi ɗaya kai tsaye ta hanyar haɗa tsarin hopper mai dual-hopper, yana samar da bayanin martaba 'W' a gani.
Maimakon babban mazurari ɗaya, wannan saitin ya raba tanki zuwa biyu (ko wasu lokuta uku) daban-daban hoppers. Kowane hopper yana ƙunshe da nasa keɓantaccen gado mai ɗaukar ruwa da bawul ɗin fitarwa. Waɗannan wuraren fita da yawa suna haɗe zuwa babban bututu guda ɗaya wanda ke fitar da kayan daga injin ɗin.
Ta hanyar amfani da mazugi biyu masu zurfi, masana'antun na iya shimfiɗa tankin a kwance maimakon a tsaye. Wannan jujjuyawar geometric yana ba da damar na'urar ta sami ƙarin kayan aiki da yawa yayin kiyaye tsayin gabaɗaya cikin aminci a cikin iyakokin manyan hanyoyi na doka.
Ribobi:
Ƙarfin Ƙarfi Mai Girma: The Tankin siminti mai siffar W shine tabbataccen zaɓi don jigilar girma mai girma. Waɗannan raka'a suna ɗaukar ƙarfi daga 50 cbm zuwa 80 cbm cikin sauƙi. Ana haɗe su akai-akai tare da saitin axle 4 don haɓaka adadin kayan da ake motsawa kowace tafiya.
Lower Center of Gravity: By spreading the volume horizontally, the W-shape maintains a lower profile. Wannan yana haɓaka kwanciyar hankali sosai, rarraba nauyin axle, da amincin babbar hanya gabaɗaya.
Material Versatility: Za a iya daidaita ƙira-hopper dual-hopper sau da yawa don ɗaukar kayan wuta mai sauƙi, ƙarin kayan haɗin kai yadda ya kamata, muddin yawancin yawa ya yi daidai da iyakokin axle na gida.
Fursunoni:
Rukunin Aiki: Masu aiki dole ne su riƙa sarrafa bawuloli da yawa kuma su sanya ido kan matsin lamba a cikin keɓaɓɓun hopper don hana toshewa a cikin nau'ikan.
Ƙimar Rarraba Mai Girma kaɗan kaɗan: Tsakanin rabewar tsakiya tsakanin hoppers na iya kama ɗan ƙaramin abu lokaci-lokaci. Idan ba a sarrafa ruwa daidai ba, ragowar ƙimar na iya yin shawagi a kusa da 0.4% zuwa 0.5%.
Lokacin kimanta ingancin fitarwa, manajojin jiragen ruwa dole ne su duba fiye da sifar jiki kawai. Ingantaccen filin gaskiya shine haɗuwa da saurin saukewa, riƙewar matsa lamba, da ragowar adadin da aka bari a cikin tanki.
A ƙarƙashin ingantattun yanayi tare da madaidaicin 12m³/min kwampreso, duka ƙira biyu na iya cimma saurin fitarwa mai ban sha'awa na 1.2 zuwa ton 1.5 a cikin minti ɗaya. Duk da haka, abubuwan da ke tattare da su na pneumatic kuzarin kawo cikas sun bambanta sosai.
A cikin siffar V, matsa lamba na iska yana tafiya da kyau zuwa gado guda. Mayar da hankali guda ɗaya na ƙarfin pneumatic yana nufin matsi yana ginawa da tsinkaya. Mai aiki yana buƙatar saka idanu akan maki ɗaya kawai, yana haifar da daidaito sosai, saurin saukewa daga farawa zuwa ƙarshe.
Sabanin haka, siffar W-siffar tana buƙatar ingantaccen sarrafa matsi. Domin dole ne a rarraba iska a kan gadaje da yawa, mai aiki dole ne ya tsara bawuloli a hankali. Yawanci, ana fitar da hopper ɗaya gaba ɗaya kafin ɗayan don kiyaye isassun matsi da yawa. Idan ma'aikaci mara ƙwarewa yana buɗe bawuloli guda biyu a lokaci guda, matsa lamba yana faɗuwa, abu ya rasa ruwa, da saurin fitarwa - galibi yana haifar da toshewar bututu mai takaici.
Matsakaicin ragowar ma'auni ne mai mahimmanci don riba. Duk wani siminti da ya rage a cikin tanki yana wakiltar samfuran da aka ɓata, asarar kudaden shiga, da ƙara 'mataccen nauyi' yana ƙone man da ba dole ba lokacin dawowar. Bugu da ƙari, babban abin da ya rage yana haifar da lalacewa idan tirela ta canza kayan.
Gwaje-gwajen ƙwararru a koyaushe suna nuna cewa ƙirar V-dimbin yawa suna ba da ingantaccen tsafta. Ba tare da katsewa ba, magudanar nauyi mai nauyi yana tabbatar da kusan kowane ɓangarorin an karkatar da shi zuwa wurin fita. Zane-zanen W-dimbin yawa, saboda rabe-rabe na ciki da hadaddun bututu, gabaɗaya suna barin ƙaramin abu a baya. Yayin da adadin riƙewa na 0.5% ya yi kama da ƙananan ƙididdiga, yana haɗawa zuwa ton na asarar kaya sama da ɗaruruwan tafiye-tafiye na shekara-shekara.
Ingantacciyar hanyar saukewa tana haifar da raguwar dawowa idan abin hawa ba zai iya ɗaukar ƙarar da ake buƙata ba cikin aminci. Dole ne ma'aikatan jirgin ruwa su auna ƙarfin lodi da kwanciyar hankali a hanya.
Mahimmin lissafi na ma'auni na V-dimbin yawa yana nuna cewa don ƙara yawan kuɗi, injiniyoyi dole ne su gina tanki mai tsayi. Sakamakon haka, cibiyar ƙarfin nauyi (CoG) abin hawa yana tashi sosai. Babban CoG yana gabatar da rashin kwanciyar hankali na gefe, musamman lokacin kewayawa masu kaifi, iska mai ƙarfi, ko filin gini mara daidaituwa. Tura ƙira-ƙirar V-dimbin yawa zuwa matakin babban ƙarfi mai ƙarfi yana juyar da haɗari zuwa damuwa mai mahimmancin aminci.
Bugu da ƙari, siffar W-siffar tana rarraba kaya a cikin mazugi biyu ko fiye daban-daban, yana faɗaɗa a kwance. Wannan yana ba da damar ɗaukar nauyi mai yawa yayin da ake kiyaye yawancin nauyin kusa da kwalta. Don hanyoyin tafiya mai nisa da suka haɗa da tuƙi mai sauri, ƙirar W mai siffa tana ba da rarrabuwar nauyi mafi girma, rage gajiyar direba da haɗarin haɗari.
Bayanan filin daga jiragen ruwa masu aiki suna nuna fayyace ƙofofin girma inda ƙira ɗaya ta zama mafi amfani:
Daidaitaccen Ƙarfin (30cbm zuwa 45cbm): A cikin wannan kewayon, siffar V yana da tasiri sosai. Tsayin ya kasance mai iya sarrafawa, nauyin tare da zama ƙasa da ƙasa, kuma ingancin tsafta ba ya misaltuwa.
Babban Ƙarfin (50cbm zuwa 80cbm+): Da zarar girma ya wuce mita 50 cubic, siffar W-siffar ta zama ma'auni na masana'antu. Ƙoƙarin gina tirela mai mazurari ɗaya don 60cbm yana haifar da naúrar rashin kwanciyar hankali. Siffar W ta da kyau tana ɗaukar waɗannan manyan lodi, yana sa ta fi son manyan ayyukan samar da ababen more rayuwa.
Zaɓin mafi kyau duka busasshen busasshen tanki na siminti yana buƙatar yin nazari akai-akai na sigogin aikin ku. Ya kamata shawarar siyayya ta dabara ta dogara da kayan aikinku na yau da kullun, hanyoyin yanki, da iyawar kiyayewa.
Duk da yake duka ƙira biyu suna ɗaukar busasshen siminti na Portland daidai, jiragen ruwa na zamani galibi suna jigilar foda iri-iri. Girman girma da girman barbashi suna taka rawar gani sosai a cikin ruwa.
Kayayyakin da ke da girman girma mai yawa da ingantaccen iya gudana suna yin na musamman da kyau a cikin siffar V saboda babban kusurwar hutu. Koyaya, kayan wuta, kayan haɗin kai kamar tokar gardawa ko garin masana'antu na iya wani lokaci gada ko 'ramin bera' a cikin tudu mai tudu guda ɗaya. Kyakkyawan ƙirar W mai siffa mai dual-hopper sau da yawa yana ba da ingantacciyar ruwa don waɗannan kayan taurin kai, yayin da ake rarraba matsin lamba a kan gadaje masu faɗi, yana tabbatar da ko da iska.
Hanyar sufuri na yau da kullun shine babban abin da ke ƙayyade:
Ayyukan Gajerewar Hannu / Birane: Idan rundunar sojojin ku tana aiki tsakanin tsire-tsire na gida da kuma wuraren birni masu tsauri, motsa jiki yana da mahimmanci. Gajeren ƙafar ƙafar ƙafa da aikin bawul ɗaya na siffar V sun sa ya zama manufa don kewaya titunan birni da kuma kammala juyawa da sauri da yawa a kullum.
Ayyukan Dogon Jiki / Babbar Hanya: Don tsawaita hanyoyin titin da ke jigilar mafi girman kaya, siffar W-siffar ta fi girma. Ƙananan CoG yana tabbatar da tsayayyen tafiye-tafiye, kuma jigilar 60cbm ko fiye yana rage jimlar tafiye-tafiye, inganta man fetur da sa'o'in direba.
Feature/Metric |
Trailer Babban Siffar V-Siffa |
W-Siffar Babban Tankar Ruwa |
|---|---|---|
Madaidaicin Girman Rage |
30cbm - 45cbm |
50cbm - 80cbm+ (Sau da yawa 4-axle) |
Cibiyar Nauyi |
Mafi girma (yana rage kwanciyar hankali a babban girma) |
Ƙananan (kyakkyawan kwanciyar hankali don kaya masu nauyi) |
Saurin fitarwa |
1.2 - 1.5 T/min (Mai daidaitawa, aya ɗaya) |
1.2 - 1.5 T/min (yana buƙatar sarrafa bawul mai aiki) |
Yawan Rago |
Matsakaicin Karanci (<0.3%) |
Ƙananan (<0.5%), ya dogara da ƙwarewar ma'aikaci |
Abun Ciki |
Sauƙi (hopper ɗaya, zane ɗaya) |
Complex (yawan hoppers da bawuloli) |
Mafi kyawun Harka Amfani |
Jigilar gajeru zuwa matsakaici, daidaitattun kayan aiki, saukewa akai-akai |
Dogon tafiya, kaya mai yawa, tukin babbar hanya |
Ko da injiniyoyin da suka fi dacewa tirelar jigilar foda za ta sha wahala daga ƙarancin fitarwa idan an yi watsi da kulawa ta yau da kullun. Dole ne a adana haɗin kai tsakanin kwampreso, bawul ɗin pneumatic, da gadon ruwa na ciki. Aiwatar da ƙaƙƙarfan ƙa'idar rigakafi tana kare hannun jarin ku.
Kwamfuta na iska shine bugun zuciya na tsarin pneumatic. Idan ya kasa samar da isasshen girma, ruwa yana tsayawa, yana haifar da toshe bututu.
Kula da Matsi na Aiki: Yayin fitarwa, matsa lamba na ciki ya kamata ya tsaya tsayin daka a kusa da 0.2 MPa. Idan matsin lamba ya yi ƙoƙari ya isa wannan madaidaicin, yana nuna ƙwanƙwasa tsarin ko gazawar kwampreso.
Tace Maintenance: Fita akan wurin aiki mai ƙura, matattarar kayan abinci da ta toshe tana shaƙar damfara. Wannan yana sauke matsa lamba na ciki kuma yana ƙara lokacin saukewa ta mintuna masu daraja. Duba matattarar mako-mako.
Binciken Mutunci na Valve: Bawul ɗin malam buɗe ido suna jure matsanancin ƙazanta daga siminti mai saurin gudu. Duba hatimin roba kowane wata. Hatimin da aka sawa yana ba da damar iska ta ƙetare kayan, yana lalata turawar pneumatic da ake buƙata don share hoses.
Zaren da ke ƙasan hopper yana watsa iska mai matsa lamba zuwa dubban ƙananan rafuka, yana fitar da ƙaƙƙarfan foda.
Danshi shine Maƙiyi: Babban barazana ga inganci shine danshi. Idan rigar iska ta shiga cikin tanki, siminti yana warkarwa kuma ya taru. Lokacin da biredi na siminti akan zane, yana toshe micropores. Koyaushe tabbatar da tarkon danshi na compressor yana aiki yadda ya kamata.
Tashin hankali da ya dace: Lokacin maye gurbin zane, dole ne a tayar da shi daidai. Wani sako-sako da zane yana jujjuyawa cikin matsi, yana haifar da ruwa mara daidaituwa kuma yana barin babban rago a sasannin hopper.
Zane-zane na V-dimbin yawa yana ba da ingantaccen tsafta da sauƙi wanda bai dace ba, yana mai da shi ingantaccen dokin aiki don daidaitaccen 30-45cbm gajere-zuwa matsakaici. Akasin haka, ƙirar W-dimbin yawa suna ba da ingantaccen kwanciyar hankali da babban ƙarfin ɗaukar nauyi (har zuwa 80cbm), yana aiki azaman mafita na ƙarshe don ɗaukar nauyi, jigilar kaya mai tsayi. Zaɓin ku na ƙarshe ya dogara gaba ɗaya akan ƙayyadaddun girman kayanku, yanayin hanya, da manyan abubuwan da ake aiwatarwa.
Don tabbatar da cewa jiragen ruwan ku suna aiki a kololuwar riba, kuna buƙatar kayan aiki waɗanda aka keɓance daidai da ma'aunin filin ku. Kimanta buƙatun ku na biyan kuɗin ku, ku ziyarci ChiVehicles (https://www.chivehicles.com) don bincika cikakken kewayon manyan tirelolin siminti masu siminti V-dimbin yawa da W-dimbin yawa waɗanda aka ƙirƙira don iyakar ingancin fitarwa da dorewa.
Saurin fitar da naúrar da aka kula da ita yawanci yakan tashi daga ton 1.2 zuwa 1.5 a cikin minti ɗaya. Koyaya, wannan ma'auni ya dogara da sauye-sauye da yawa: ƙarfin fitarwa na kwampreshin iska (yawanci 12m³/min), kiyaye mafi kyawun matsa lamba na ciki (0.2 MPa), diamita tiyo, da ƙarancin foda. Zubar da siminti a cikin silo mai tsayin mita 30 yana ɗaukar tsayi fiye da silo na mita 15 saboda ƙaruwar matsi na baya.
Dangane da matsakaicin saurin fitarwa na ton 1.2 zuwa 1.5 a cikin minti daya, matsakaicin nauyin ton 40 zai yawanci ɗaukar tsakanin mintuna 25 zuwa 35 don saukewa gaba ɗaya ƙarƙashin ingantattun yanayi. Wannan lokacin yana iya tsawaita idan mai kwampreso bai yi aiki ba, idan silo mai karɓa yana da tsayi na musamman, ko kuma idan zanen ruwa ya makanta da danshi.
Yawancin madaidaitan tirelolin busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun) an yi su ne don yin aiki cikin aminci a matsewar aiki na 0.2 MPa (kimanin 29 psi). An sanye su da bawul ɗin taimako na aminci waɗanda aka daidaita su don fitowa ta atomatik idan matsa lamba ya wuce 0.22 MPa. Yin aiki fiye da waɗannan iyakoki yana haifar da mummunar gazawar jirgin ruwa da haɗari mai ƙarfi na aminci.
Ee, waɗannan tankuna suna da yawa sosai. Yayin da aka ƙera su da farko don siminti na Portland, suna jigilar busassun busassun busassun busassun busassun iri iri-iri da suka haɗa da ƙuda ash, foda lemun tsami, foda PTA, ma'adinai, da samfuran noma masu yawa kamar fulawar masana'antu. Zane-zanen hopper mai dual-hopper yana da tasiri musamman don kayan wuta masu sauƙi waɗanda ke buƙatar faɗaɗa ruwa mai yawa.
Abubuwan da ya wuce kima (sama da ƙimar riƙewa na 0.5%) yawanci alama ce ta gazawar inji maimakon aibi na ƙira. Dalilin da ya fi dacewa shine rashin isassun iska daga kwampreso da ke kasawa, wanda ya kasa yin ruwa yadda ya kamata. Wani mai laifi shine gurɓataccen danshi wanda ke haifar da siminti a kan zane. Zazzagewa a kan gangaren ƙasa kuma na iya magance kusurwoyin da ke taimaka wa nauyi, da kama foda a sasanninta.
Gabaɗaya, tirela mai siffar W yana buƙatar babban babban jari na farko. Wannan bambance-bambancen farashin yana haifar da sarkar masana'anta. Rigs masu siffar W yawanci sun fi girma, suna buƙatar ƙarin ƙarfe mai ƙarfi don gina elongated, jiki mai hopper. Makanikai na ciki suma sun fi rikitarwa, suna buƙatar gadaje masu ruwa da tsaki da ƙarin bututu. Koyaya, jiragen ruwa da ke buƙatar babban ƙarfin ɗaukar nauyi sau da yawa suna samun siffar W-siffar tana ba da mafi girman ROI ta hanyar rage yawan tafiye-tafiye.
