Gabatarwa zuwa Kwal
Kwal wani nau'i ne na ma'adinan burbushin halittu.An tsara shi ta hanyar carbon, hydrogen, oxygen, nitrogen da sauran abubuwa, yawancin mutane suna amfani da shi azaman mai.A halin yanzu, kwal yana da adadin adadin man da aka bincika sau 63 fiye da man fetur.An kira Coal baƙin zinare da kuma abincin masana'antu, shine babban makamashi tun karni na 18.A lokacin juyin juya halin masana'antu, tare da ƙirƙira da aikace-aikacen injin tururi, ana amfani da gawayi sosai a matsayin man masana'antu kuma ya kawo babban ƙarfin da ba a taɓa gani ba ga al'umma.
Aikace-aikacen Coal
Kwal na kasar Sin ya kasu kashi goma.Gabaɗaya, kwal mai ɗanɗano, kwal ɗin coking, kwal mai kitse, garwashin iskar gas, mai rarraunar haɗin kai, gawayin harshen wuta mai tsayi da tsayi ana kiransa gaba ɗaya kamar gawayin bituminous;Lean kwal ana kiransa Semi Anthracite;Idan abun ciki mai canzawa ya fi 40%, ana kiran shi lignite.
Teburin rarraba kwal (mafi yawan coking coal)
| Kashi | Kwal mai laushi | Karamin gawayi | Lean kwal | Coking kwal | Kwal mai kitse | Gas kwal | Kwal mai rauni mai rauni | Kwal wanda ba a haɗa shi ba | Dogon garwashin wuta | Brown kwal |
| Rashin ƙarfi | 0 ~ 10 | > 10 ~ 20 | >14-20 | 14-30 | 26-37 | >30 | >20-37 | >20-37 | >37 | >40 |
| Halayen Cinder | / | 0 (foda) | 0 (tambaya) 8 ~ 20 | 12-25 | 12-25 | 9 ~ 25 | 0 (tambaya) ~ 9 | 0 (foda) | 0 ~ 5 | / |
Linite:
Mafi yawa m, duhu launin ruwan kasa, duhu luster, sako-sako da rubutu;Yana ƙunshe da kusan kashi 40% na al'amura masu canzawa, ƙarancin kunna wuta da sauƙin kama wuta.Ana amfani dashi gabaɗaya a gasification, masana'antar ruwa, tukunyar wuta, da sauransu.
Kwal na bituminous:
Gabaɗaya yana da granular, ƙanana da foda, galibi baki da haske, tare da rubutu mai kyau, wanda ya ƙunshi fiye da kashi 30% maras tabbas, ƙarancin ƙonewa da sauƙin kunnawa;Yawancin garwashin bituminous suna da ɗanɗano kuma suna da sauƙin ƙwanƙwasa yayin konewa.Ana amfani dashi a cikin coking, haɗakar da gawayi, tukunyar wuta da masana'antar gasification.
Anthracite:
Akwai nau'i biyu na foda da ƙananan guntu, waɗanda baƙar fata, ƙarfe da haske.Ƙananan ƙazanta, ƙaramin rubutu, babban ƙayyadadden abun ciki na carbon, har zuwa fiye da 80%;Abun da ba ya canzawa yana da ƙasa, ƙasa da 10%, wurin kunnawa yana da girma, kuma ba shi da sauƙi a kama wuta.Za a ƙara adadin gawayi da ƙasa da ya dace don konewa don rage ƙarfin wutar.Ana iya amfani dashi don yin iskar gas ko kai tsaye azaman mai.
Tsarin tafiyar da aikin kwal
Don niƙan kwal, galibi ya dogara ne akan ƙimar ƙarfin ƙarfin sa na Harzburg.Mafi girman ma'auni mai ƙarfi na Harzburg, mafi kyawun niƙa (≥ 65), kuma ƙarami mai ƙima mai ƙarfi na Harzburg, mafi wahalar niƙa (55-60).
Bayani:
① zaɓi babban na'ura bisa ga fitarwa da buƙatun fineness;
② Babban aikace-aikace: thermal tarwatsa kwal
Analysis a kan nika model
1. pendulum niƙa (HC, HCQ jerin niƙa kwal niƙa):
Ƙananan farashin zuba jari, babban fitarwa, ƙananan amfani da makamashi, kayan aiki masu ƙarfi da ƙananan amo;Rashin koma baya shi ne cewa aiki da kuma farashin kulawa ya fi na injin niƙa a tsaye.
Teburin iya aiki na HC jerin niƙa niƙa (200 raga D90)
|
| HC1300 | HC1700 | Farashin HC2000 |
| Iya aiki (t/h) | 3-5 | 8-12 | 15-20 |
| Babban injin niƙa (kw) | 90 | 160 | 315 |
| Motar busa (kw) | 90 | 160 | 315 |
| Motar Classifier (kw) | 15 | 22 | 75 |
Bayanin (babban tsari):
① Hongcheng jadadda mallaka bude kewaye tsarin da aka soma ga lignite da dogon harshen wuta kwal da high volatility.
② Firam ɗin furen plum tare da tsarin pendulum na tsaye yana ɗaukar tsarin hannun riga, wanda ke da tasiri mafi kyau.
③ An tsara na'urar tabbatar da fashewa don tsarin.
④ Za a ƙera mai tara ƙura da bututun mai don guje wa tarawar ƙurar matacciyar kusurwa gwargwadon yiwuwa.
⑤ Don tsarin isar da foda, ana ba da shawarar cewa abokan ciniki suyi isar da iskar gas da kuma ƙara yanayin isar da iskar nitrogen da tsarin gano nitric oxide.
2. Ma'adinin kwal na tsaye (HLM ma'adinin kwal na tsaye):
Babban fitarwa, samar da manyan sikelin, ƙarancin kulawa, babban matakin sarrafa kansa da balagaggen fasahar iska mai zafi.Rashin hasara shine tsadar saka hannun jari da babban filin bene.
Ƙayyadaddun ƙayyadaddun bayanai da ma'auni na fasaha na HLM ƙwanƙarar kwal a tsaye (masana'antar ƙarfe)
| Samfura | HLM1300MF | HLM1500MF | HLM1700MF | HLM1900MF | HLM2200MF | HLM2400MF | HLM2800MF |
| Iya aiki (t/h) | 13-17 | 18-22 | 22-30 | 30-40 | 40-50 | 50-70 | 70-100 |
| Danshi na kayan abu | ≤15% | ||||||
| Kyakkyawan samfurin | D80 | ||||||
| Danshi samfurin | ≤1% | ||||||
| Babban wutar lantarki (kw) | 160 | 250 | 315 | 400 | 500 | 630 | 800 |
Mataki na I:Cgaggawar albarkatun kasa
BabbanKwalAbun da aka murkushe shi da murƙushewa zuwa ƙimar abinci (15mm-50mm) wanda zai iya shiga injin niƙa.
MatakiII: Gyawo
The murkusheKwalAna aika ƙananan kayan zuwa ma'ajiyar ajiya ta lif, sa'an nan kuma aika zuwa ɗakin nika na niƙa daidai da adadi ta hanyar ciyarwa don niƙa.
Mataki na III:Rabaing
Kayan niƙa ana ƙididdige su ta hanyar tsarin ƙididdigewa, kuma foda ɗin da bai cancanta ba ana ƙididdige shi ta hanyar rarrabawa kuma a mayar da shi zuwa babban injin don sake niƙa.
MatakiV: Cjita-jita na ƙãre kayayyakin
Foda mai daidaitawa da kyau yana gudana ta cikin bututu tare da iskar gas kuma ya shiga mai tara ƙura don rabuwa da tarawa.Ana aika foda da aka gama tattara zuwa silo ɗin da aka gama ta na'urar isarwa ta tashar fitarwa, sannan a shirya ta tankin foda ko fakiti ta atomatik.
Misalan aikace-aikacen sarrafa foda na kwal
Model da adadin wannan kayan aiki: 3 sets na HC1700 bude kewaye tsarin nika nika
Mai sarrafa albarkatun kasa: Anthracite
Kyakkyawan samfurin da aka gama: 200 raga D92
Ikon Kayan aiki: 8-12 ton / awa
Wannan aikin shine samar da kwal da aka niƙa don tukunyar tukunyar kwal na tsarin dumama ƙasa a cikin ma'adinan kwal na Bulianta na ƙungiyar.Babban dan kwangilar aikin shine Kwalejin Kimiyyar Kwal ta kasar Sin.Tun daga shekarar 2009, Kwalejin Kimiyyar Kwal ta kasar Sin ta kasance abokan huldar abokantaka bisa manyan tsare-tsare na Hongcheng da kuma kawance mai karfi.Duk tukunyar jirgi da aka kora kwal da ayyukan kwal da aka tarwatsa sun ɗauki injin niƙa na Hongcheng don daidaita tsarin.A cikin shekaru 6 da suka gabata, Hongcheng ta yi hadin gwiwa tare da kwalejin kimiyyar kwal, kuma aikin fasa kwal ya bazu ko'ina cikin manyan wuraren da ake samar da kwal a kasar Sin.Wannan aikin yana ɗaukar nau'ikan niƙa uku na Raymond tare da HC1700 buɗaɗɗen tsarin kewayawa, waɗanda aka kera musamman don niƙa gurɓataccen kwal.Hc1700 mai niƙa mai niƙa mai niƙa yana ɗaukar buɗe da'irar, shigar da na'urar tabbatar da fashewa da sauran matakan, kuma tsarin yana da aminci kuma abin dogaro.Fitowar HC1700 niƙa shine 30-40% sama da na injin niƙa na gargajiya na gargajiya, wanda shine ceton kuzari da abokantaka.
Lokacin aikawa: Oktoba-22-2021
