A halin yanzu, kasar Sin ta kara mai da hankali kan kiyaye muhalli da kiyaye makamashi.Game da zurfin sarrafa albarkatun gawayi, yawancin abokan ciniki ba su san abin da ya fi dacewa da zaɓin ba kwal da aka niƙa abin nadi a tsaye da injin niƙa don kwal da aka taƙaice.A cikin masu zuwa, HCM ya yi nazari akan halayen kwal, wanda ke da amfani ga zaɓin abokin ciniki na injin niƙa.

HLMkwal da aka niƙa abin nadi a tsaye 

1. Saboda bambancin nau'in nau'in nau'in kwal da tukunyar jirgi da aka yi amfani da su, abubuwan da ake buƙata don girman ƙwayar kwal sun bambanta.Gabaɗaya, ƙimar nunawa shine kusan 90% a 200 meshes.Kayan aikin niƙa ya kamata su iya daidaita kyaututtuka;

2. Gabaɗaya, tubalan kwal ba kayan bushewa ba ne.Gabaɗaya, gawayi ya ƙunshi fiye da 15% danshi, kuma lignite har ma ya kai 45%.Sabili da haka, kayan aikin kwal ɗin dole ne su iya daidaitawa da kayan damshi masu yawa da bushe kayan yayin niƙa.Ba lallai ba ne don saita na'urar bushewa don ƙara yawan bushewa;

3. Kwal yana kunshe da ruwa mai ƙonawa, kuma gawayin kanta yana iya ƙonewa, don haka dole ne a ɗauki matakan hana wuta da fashewa yayin niƙa;

4. Kwal ya ƙunshi ƙazanta masu ƙarfi da wuyar niƙa, waɗanda ake buƙata don daidaitawa da ƙarfi da wahalar niƙa yayin niƙa;

Niƙa kokwal da aka niƙaabin nadi a tsayedon tattake kwal?Ko da yake duka jujjuyawar kwal a tsaye da niƙa na ball na iya aiwatar da kwal sosai, daga nazarin halaye na kwal, injin nadi mai niƙa na kwal a tsaye ya fi dacewa da dalilai uku:

Na farko, injin niƙa na kwal a tsaye yana ɗaukar tsari na musamman na samarwa da tsari, wanda ke mamaye ƙaramin yanki, yana da ƙarancin ƙura da hayaniya yayin samarwa, kuma yana samar da gurɓataccen kwal tare da ƙimar inganci mai inganci da kyakkyawan aikin konewa.

Na biyu, idan aka kwatanta da injin niƙa na ma'auni iri ɗaya, amfani da wutar lantarki mai niƙa mai jujjuyawar juzu'in nadi zai iya ceton 20 ~ 40%, musamman ma lokacin da ɗanyen kwal ya yi girma.Bugu da kari, wannan nadi a tsaye yana ɗaukar aikin share iska.Ta hanyar daidaita yanayin yanayin iska mai shigowa da ƙarar iska, ana iya niƙa ɗanyen gawayi mai danshi har zuwa 10% kuma a bushe.Ana amfani da ƙarar iska mai girma don saduwa da buƙatun bushewa tare da babban danshi, ba tare da ƙara injunan taimako ba.

Na uku, injin niƙa mai jujjuyawar kwal a tsaye yana haɗa matakai biyar na murkushewa, niƙa, bushewa, zaɓin foda da sufuri.Tsarin yana da sauƙi, shimfidar wuri yana da ƙananan, yanki na ƙasa yana da kusan 60-70% na tsarin ƙwallon ƙwallon ƙafa, kuma wurin ginin yana da kusan 50-60% na tsarin ƙwallon ƙwallon ƙafa.

Abu mafi mahimmanci shi ne cewa jujjuyawar kwal a tsaye abin nadiyana ɗaukar babban haɓaka mai haɓaka foda mai ƙarfi, wanda ke da ingantaccen zaɓi na foda da babban ɗakin daidaitawa.Kyakkyawan zaɓi na foda zai iya kaiwa ƙasa da 3% na ragowar simintin 0.08 mm, wanda zai iya biyan buƙatun ingancin mafi ƙarancin ƙarancin ƙarancin kwal ko anthracite niƙa a cikin layin samar da siminti.