Injin niƙa kwal muhimmin ɓangare ne na tsarin niƙa kwal kuma muhimmin kayan aiki ne na ƙarin wutar lantarki a tashar wutar lantarki. Babban aikinsa shine ya karya da niƙa kwal zuwa kwal da aka niƙa don samar da kayan aikin tukunya, tsarinsa zai shafi aminci da tattalin arzikin na'urar kai tsaye. Saboda daidaitawar injinan niƙa kwal daban-daban ga nau'ikan kwal daban-daban ya bambanta sosai, tare da yanayin da ba a daidaita rarraba kayayyakin kwal a China ba, ingancin kayayyakin kwal zai shafi tattalin arzikin tsarin niƙa kwal kai tsaye. To, ta yaya ya kamata a zaɓi zaɓin kayan aikin niƙa kwal?Injin HCMA matsayinsa na mai ƙera injin niƙa kwal, zai gabatar da tushen zaɓin injin niƙa kwal. Akwai nau'ikan injin niƙa kwal da yawa, gwargwadon saurin niƙa sassan aikin injin niƙa kwal, ana iya raba nau'ikan kayan aikin injin niƙa kwal zuwa nau'i uku, wato: injin niƙa kwal mai ƙarancin gudu, injin niƙa kwal mai matsakaicin gudu da injin niƙa kwal mai saurin gudu. Mai zuwa zai gabatar da zaɓin waɗannan kayan aikin niƙa kwal guda uku bi da bi.
Zaɓin kayan aikin injin niƙa kwal 1: injin niƙa kwal mai ƙarancin gudu
Wakilcin injin niƙa kwal mai ƙarancin gudu shine injin niƙa ƙwallo. Ka'idar aiki ita ce: injin mai ƙarfi ta cikin akwatin don tuƙa wannan jujjuyawar farantin zagaye mai nauyi, ƙwallon ƙarfe a cikin simple ana juyawa zuwa wani tsayi sannan a faɗi ƙasa, ta hanyar tasirin ƙwallon ƙarfe akan kwal da tsakanin ƙwallon ƙarfe, tsakanin ƙwallon ƙarfe da farantin tsaro, ana niƙa kwal ɗin. Ana raba kwal ɗin da ba shi da inganci sosai lokacin da ya ratsa ta cikin mai raba foda mai kauri a bayan injin niƙa ƙwallo, sannan a aika shi zuwa farantin zagaye daga bututun foda mai dawowa don sake niƙawa. Baya ga jigilar foda na kwal, iska mai zafi kuma tana taka rawar busar da kwal. Saboda haka, ana kiran iska mai zafi da kayan bushewa a cikin tsarin foda. Samfurin yana da halaye na tsawon lokaci mai tsawo na aiki, sauƙin kulawa, fitarwa mai ƙarfi da laushi, babban ƙarfin ajiya, amsawa mai sauri, babban sassaucin aiki, ƙarancin rabo na iska da kwal, injin niƙa kwal mai tanadi, kewayon niƙa kwal mai faɗi da sauransu. Ana amfani da shi galibi don kwal mai tauri da matsakaici-tauri, musamman ga kwal mai yawan canzawa da ƙarfin gogewa. Duk da haka, wannan injin niƙa mai ƙarancin gudu yana da girma, yana da yawan amfani da ƙarfe, yana mamaye filaye da yawa, kuma yana da babban jarin farko. Don haka injin niƙa ya dace da cikakken aiki.
Nau'in kayan aikin injin niƙa kwal na 2:injin niƙa kwal mai saurin matsakaici
Ana kuma san injin niƙa kwal mai matsakaicin gudu da ake kira injin niƙa kwal mai tsayi, wanda ke da alaƙa da sassan niƙa waɗanda suka ƙunshi ƙungiyoyi biyu na motsin jikin niƙa. Ana matse kwal ɗin a niƙa tsakanin saman jikin niƙa guda biyu kuma ana niƙa shi. A lokaci guda, iska mai zafi ta cikin injin niƙa tana busar da kwal ɗin kuma tana aika kwal ɗin da aka niƙa zuwa wurin rabawa a saman yankin niƙa. Bayan rabuwa, ana fitar da kwal ɗin da aka niƙa mai girman ƙwayar cuta daga injin niƙa tare da iskar da ke kwarara, kuma ana mayar da kwal ɗin da aka niƙa mai kauri zuwa yankin niƙa don sake niƙawa. Injin niƙa kwal mai matsakaicin gudu yana da fa'idodin ƙananan kayan aiki, ƙaramin sawun ƙafa, tanadin amfani da wutar lantarki (kimanin kashi 50% ~ 75% na injin niƙa ƙwallo), ƙarancin hayaniya, ikon sarrafa haske da aiki mai sauƙi. Amma bai dace da niƙa kwal mai ƙarfi ba.
Zaɓin kayan aikin injin niƙa kwal 3: injin niƙa kwal mai saurin gudu
Gudun injin niƙa kwal mai sauri shine 500 ~ 1500 r/min, wanda galibi ya ƙunshi rotor mai sauri da harsashin niƙa. Niƙa fanka da guduma da sauransu. A cikin injin niƙa, ana niƙa kwal ɗin ta hanyar karo tsakanin tasirin mai sauri da harsashin niƙa da kuma karo tsakanin kwal. Wannan nau'in injin niƙa kwal da mai raba kwal da aka niƙa suna samar da cikakken tsari, tsarin yana da sauƙi, ƙarami, jarin farko yana da ƙasa, musamman ya dace da niƙa lignite mai danshi mai yawa da kuma yawan abubuwan da ke canzawa, mai sauƙin niƙa kwal ɗin bituminous. Duk da haka, saboda farantin tasirin yana lalacewa kai tsaye kuma iska tana sa shi, tsawon aikinsa gabaɗaya yana ɗaukar kimanin awanni 1000 ne kawai lokacin da niƙa lignite, maye gurbinsa akai-akai, da kuma yawan ruwan da ke cikin kwal ɗin ƙasa bai kamata ya yi yawa ba, wanda galibi ana amfani da shi don tukunyar ruwa kai tsaye a cikin tashoshin wutar lantarki, kuma bai kamata a yi amfani da shi don bita na allurar tanderu ba.
Nau'ikan kayan aikin niƙa kwal guda uku da ke sama suna da fa'idodi da rashin amfani, a cikin zaɓar kayan aikin niƙa kwal, ya zama dole a yi la'akari da zaɓin tsarin niƙa kwal gaba ɗaya. Tsarin foda za a iya raba shi zuwa rukuni biyu: nau'in busa kai tsaye da nau'in ajiya na matsakaici (wanda ake kira nau'in ajiya). A cikin tsarin busa kai tsaye, ana niƙa kwal a cikin kwal da aka niƙa ta hanyar injin niƙa kwal sannan a hura kai tsaye zuwa cikin tanderu don ƙonewa. A cikin tsarin busawa na ajiya, ana fara adana kwal da aka niƙa a cikin kwandon kwal da aka niƙa, sannan bisa ga buƙatun nauyin tukunyar jirgi, ana aika kwal da aka niƙa daga kwandon kwal da aka niƙa zuwa tanderu don ƙonewa ta injin niƙa. Tsarin busawa daban-daban kuma sun dace da nau'ikan kayan aikin niƙa kwal da kwal daban-daban. Dangane da tsarin busawa, mun taƙaita tushen da ke ƙasa don zaɓar injin niƙa kwal:
(1) Injin niƙa ƙwallo na ƙarfe a cikin kwandon ajiya na tsakiya irin tsarin foda mai zafi: ana iya amfani da shi don anthracite (Vsr <9%) kuma a saka shi a cikin ƙarfi a saman kwal.
(2) Tsarin isar da foda na gas na tsakiya na injin ƙwallo: galibi ana amfani da shi don kwal mai ƙarfi da lalacewa mai ƙarfi da matsakaicin canzawa (Var-19% ~ 27%) kwal na bituminous.
(3) Tsarin busawa kai tsaye na injin niƙa ƙwallo na ƙarfe mai inci biyu a ciki 22-241: don matsakaicin ƙarfi mai ƙarfi (V.7-27% ~ 40%) na kwal ɗin bituminous.
(4) Tsarin busar da kwal mai matsakaicin gudu: ya dace da niƙa kwal ɗin bituminous tare da babban abun ciki mai canzawa (Vanr-27% ~ 40%), yawan danshi (danshin waje Mp≤15%) da kuma lalacewa mai ƙarfi, haka kuma asarar ƙarya ta kwal ƙasa da ƙarfi, aikin kone kwal yana iya kamawa da wuta, kuma ƙarancin kwal ɗin da aka niƙa ya cika buƙatun injin niƙa kwal.
(5) Tsarin busar da injin fanka kai tsaye: ya dace da ma'aunin lalacewar lignite Ke≤3.5 da 50 MW da ƙasa da tukunyar kwal ta bituminous
A cikin zaɓin kayan aikin niƙa kwal, ya kamata a yi la'akari da shi bisa ga halayen konewa, lalacewar da fashewar kwal, halayen niƙa kwal da buƙatun ƙamshin kwal da aka niƙa, tare da tsarin tanderu da tsarin ƙona tukunyar, kuma a yi la'akari da saka hannun jari, matakin kulawa da aiki na tashar wutar lantarki da kayan aikin tallafi, samar da kayayyakin gyara, tushen kwal da tarkace a cikin kwal da sauran abubuwa. Domin cimma daidaito mai ma'ana tsakanin tsarin niƙa, na'urar ƙonewa da tanderu, don tabbatar da aminci da tattalin arziki na na'urar. Injin HCM ya ƙware wajen samar da masana'antun niƙa kwal masu matsakaicin gudu, muna samar da jerin injin niƙa kwal masu matsakaicin gudu na HLM yana da halaye masu zuwa:
(1) Amfani da babban na'urar nadi da faifai mai girman diamita, juriyar birgima ƙarami ne, yanayin shigar kwal da ba a sarrafa ba yana da kyau, don haka yana inganta ƙarfin samarwa, yana rage yawan amfani da makamashi.
(2) aikin rage ƙarfin lantarki yana da kyau, aminci kuma abin dogaro; Ƙarancin hayaniya da girgiza; Aikin rufewa yana da kyau don tabbatar da cewa foda na kwal bai shiga duk sassan injina masu juyawa ba.
(3) Ya dace da niƙa kwal mai tauri, ƙarfin niƙa iri ɗaya, ingantaccen niƙa mai yawa. Aiki mai dorewa kuma abin dogaro.
(4) Niƙa MPS ba ya wanzu a cikin sassan gogayya marasa tasiri, kuma lalacewar ƙarfe ƙarami ne. Idan kuna da matsalar zaɓar kayan aikin injin niƙa kwal, barka da zuwa tuntuɓar muInjin HCM for the basis of coal mill selection, contact information:hcmkt@hcmilling.com
Lokacin Saƙo: Janairu-19-2024
