Centrifugal mai hurawa tare da tsarin motar yana magance maki guda ɗaya mai ci gaba: asarar kuzari a haɗuwa. Mun ga tsire-tsire da yawa sun rasa 8-12% inganci kawai saboda zamewar bel, rashin daidaituwa, ko lalacewa a cikin saitin tuƙi kai tsaye. Wannan shine dalilin da ya sa masu busa centrifugal masu tuƙi kai tsaye-musamman waɗanda aka ƙera don ci gaba da aikin masana'antu-sun zama dawakai masu shiru a bayan kwararar iska, ƙananan OPEX, da tsauraran tsarin sarrafawa.
Me yasa Direct-Drive ke bugun Belted ko Haɗe Saituna
Direbobi kai tsaye yana nufin mashin motar yana haɗa kai tsaye zuwa cibiyar impeller — babu belts, babu haɗin kai, babu tsaka-tsaki. A cikin aiki na zahiri na duniya, wannan yana kawar da ɓarna guda uku da muke bin diddigin ma'adinan wuraren samun iska da layukan sarrafa sinadarai: rawar jiki da ke haifar da gajiya mai ɗaukar nauyi, jujjuyawar jeri bayan hawan keken zafi, da kiyaye raguwar lokacin tashin hankali. A Zibo Hongcheng Fan Co., Ltd. 4-72-11 No.8C bakin karfe centrifugal abin hurawa tare da hadedde 30 kW IE3 motor gudu 14,200 hours ba tare da maye gurbin-yayin da ta bel-kore da bel tsarin a wannan duct tsarin bukatar bakwai hali canje-canje da hudu bel maye a lokaci guda.
Wannan ba ka'idar ba ce. Driver kai tsaye yana yanke asarar injin zuwa ƙasa da 2%. Belt yana tafiyar da matsakaicin asara 5-9%. Akwatunan Gear? 10-15%. Wannan bambanci yana haɗuwa da sauri: mai busa 75 kW yana gudana 24/7 a nauyin 80% yana adana fiye da $ 2,100 / shekara a cikin wutar lantarki kadai lokacin da yake canzawa daga bel zuwa kullun kai tsaye-kafin yin aiki a cikin aiki, kayan gyara, da kuma rufewar da ba a shirya ba.
Amma tuƙi kai tsaye yana ba da ƙima ne kawai idan injin da injin injin ɗin sun dace da yanayin zafi da kuzari. Mun gwada raka'a inda rashin daidaituwa na haɓaka haɓakar zafin jiki ya haifar da shafan rotor a cikin sa'o'i 300. Gyaran? Haɗe-haɗen gidaje na motoci tare da hanyoyin sanyaya da aka raba-da kuma masu motsa jiki masu daidaitawa zuwa ISO 1940 G2.5 a cikin saurin aiki, ba kawai ma'auni na tsaye ba.
Abin da Masu Siyayya Ke Kulawa (da Nadama Daga baya)
Wasu suna ɗauka "mai busa centrifugal tare da mota" yana nufin sauƙi-da-wasa. Ba ya. Matsaloli guda uku da ke ɓoye suna tafiya har ma da ƙwararrun ƙungiyoyin saye:
- Haƙuri rigidity yana da al'amura fiye da ƙimar karfin juyi. Naúrar da aka ɗora flange akan dandali na ƙarfe na bakin ciki zai watsa rawa cikin aikin ductwork - yana haifar da fashe gajiya kusa da gwiwar hannu. Mun ƙididdige ƙaramin kauri na tushe (≥25 mm don raka'a sama da 30 kW) kuma muna buƙatar grouting ta ISO 10816-3 vibration class B.
- Daidaituwar VFD ba ta atomatik ba ce. Ba duk ingantattun injina ba ne ke ɗaukar 4: 1 turndown ba tare da derating ba. Madaidaitan injin ɗin mu na IE3 sun haɗa da rufin Class F, sanyayawar iska mai tilastawa, da iska mai ƙimar VFD-amma kawai idan an ƙayyade a matakin oda. Raka'a da aka aika ba tare da wannan ƙayyadaddun bayanai sukan yi zafi ƙasa da 35 Hz ba.
- Juriya na lalacewa yana farawa a mahallin motar. Bakin karfe impellers nufin kome ba idan motor frame ne fentin m karfe. A kan dandamali na ketare ko layukan sarrafa chlorine, muna amfani da cikakkun wuraren ajiye motoci na AISI 316L - ba kawai injin fan ba.
Abokan ciniki waɗanda suka tsallake waɗannan cak ɗin yawanci suna fuskantar farashin sake fasalin 3 × ainihin farashin rukunin. Wani abokin ciniki mai sarrafa abinci ya maye gurbin na'urar busa kai tsaye bayan watanni shida saboda natsewar da aka samu a cikin gidan da ba a fitar da mota ba. Maganin ba sabon alama ba ne - yana ƙayyadadden hatimin IP66, magudanar ruwa, da harsashin gel na silica na ciki.
Daidaita Raka'ar da Tsarin ku-Ba Katalogi kaɗai ba
Ba a zaɓi "mai busa centrifugal tare da mota" da ƙarfin dawakai kaɗai. Yana da girma ta hanyar hanyar juriyar tsarin juriya. Muna tambayar kowane abokin ciniki don ainihin shimfidar bututun su - ba kawai maƙasudin matsa lamba ba. Me yasa? Domin tsarin 1,200 Pa tare da gwiwar hannu 90° goma da dampers uku ba su nuna komai kamar bututun madaidaiciyar Gudu 1,200 Pa. Asarar duniya ta ainihi daga tashin hankali na iya ƙara 30-50% fiye da lissafin litattafai.
Shi ya sa injiniyoyinmu ke bincika kowane zance a kan maki uku: auna ma'auni na saurin shigarwar, rashin ƙarfi na abu (ε), da mafi munin yanayin zafi/ girgiza. Misali, naúrar tuƙi kai tsaye mai nauyin 55kW don busar da biomass a Shandong yana gudana a 1,850 rpm a wurin ƙira-amma yana faɗuwa zuwa 1,320 rpm a lokacin damina saboda yawan yawan iska. Idan ba tare da wannan gefe ba, kwararar iska za ta faɗi 12% ƙasa da ƙayyadaddun bayanai.
Mun tara fiye da 600 jeri-ciki har da ma'adinai axial kwarara magoya, polyester-resistant fiberglass-ƙarfafa polyester model, da high- temp centrifugal ventilators wanda aka kimanta zuwa 400°C. Amma don aikace-aikacen tuƙi kai tsaye, jerin abubuwan da muke buƙata shine 4-72-11 da G4-73 Lines: duka biyu suna ba da ƙwanƙwasa mai lankwasa na baya (ƙwaƙwalwar inganci 84-87%), gidaje na aluminum, da zaɓuɓɓukan mota daga 1.5 kW zuwa 200 kW - tare da cikakken yarda ga GB / T 1236, AM100 da ISO 28.
Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa Za Ka iya Aunawa, Ba kawai Da'awar ba
Centrifugal abin busa tare da hanyoyin mota suna isar da ROI mai aunawa-ba da'awar talla ba. Sun yanke amfani da makamashi. Suna rushe tagogin kulawa. Suna tsawaita rayuwar sabis ta hanyar cire mahaɗan rauni na inji. Amma kawai lokacin da aka ƙirƙira shi azaman taron juyawa guda ɗaya-ba a haɗa tare bayan gaskiyar ba.
Zibo Hongcheng Fan Co., Ltd. yana gina waɗannan raka'a don muhallin da gazawar ba zaɓi ba ne: nakiyoyin karkashin kasa tare da haɗarin fashewar iskar gas, layukan lantarki da ke sarrafa hazo na acid hydrochloric, da silos ɗin hatsi waɗanda ke buƙatar takaddun shaida ta fashewa. Katalogin su ya ƙunshi fiye da jerin 50-amma na'urar busar centrifugal mai kai tsaye ya kasance babban zaɓi ga masu amfani waɗanda ke bin kWh, ba kawai kW ba.
Duba bayan alamar. Bincika yanayin yanayin zafi tsakanin motar da impeller. Tabbatar da ƙayyadaddun bayanai masu hawa sun yi daidai da tushen ku-ba ƙasidar ba kawai. Bukatar bayanan jijjiga a cikakken kaya, ba aiki ba. Sa'an nan za ku sami abin da kai tsaye ya alkawarta: shiru, kwanciyar hankali, da tanadi da ke nunawa akan mita.
