Intshayelelo kwiMalahle
Amalahle luhlobo lweminerali yefosili ekhabhoni. Ahlelwe yikhabhoni, ihydrogen, ioksijini, initrogen kunye nezinye izinto, uninzi lwazo lusetyenziswa njengepetroli ngabantu. Okwangoku, amalahle anomthamo ogciniweyo ophindwe ka-63 kunepetroliyam. Amalahle ayebizwa ngokuba yigolide emnyama kwaye ukutya kwemizi-mveliso, ngawona mandla aphambili ukusukela kwinkulungwane ye-18. Ngexesha leNguquko yeShishini, kunye nokuveliswa nokusetyenziswa kweenjini zomphunga, amalahle asetyenziswa kakhulu njengepetroli yemizi-mveliso kwaye azise amandla amakhulu angaqhelekanga kuluntu.
Ukusetyenziswa kwamalahle
Amalahle aseTshayina ahlulwe abe ziindidi ezilishumi. Ngokubanzi, amalahle angatyebanga, amalahle acoliweyo, amalahle anamafutha, amalahle egesi, amalahle adibeneyo, angabotshwanga kunye namalahle avuthayo amade abizwa ngokuba ngamalahle abituminous; Amalahle angatyebanga abizwa ngokuba yi-semi Anthracite; Ukuba umxholo we-volatile ungaphezulu kwe-40%, ubizwa ngokuba yi-lignite.
Itheyibhile yokwahlulwa kwamalahle (ikakhulukazi amalahle okupheka)
| Udidi | Amalahle athambileyo | Amalahle amancinci | Amalahle angenamafutha | Amalahle okupheka | Amalahle anamafutha | Amalahle egesi | Amalahle abuthathaka | Amalahle angenabondi | Ilahle elide lomlilo | Amalahle amdaka |
| Ukuguquguquka | 0~10 | >10~20 | >14~20 | 14~30 | 26~37 | >30 | >20~37 | >20~37 | >37 | >40 |
| Iimpawu zeCinder | / | 0 (umgubo) | 0 (iibhloko) 8~20 | 12~25 | 12~25 | 9~25 | 0(iibhloko)~9 | 0 (umgubo) | 0~5 | / |
I-Lignite:
Ikakhulu inkulu, imdaka omnyama, iyakhazimla kakhulu, ithambile; Iqulethe malunga ne-40% yezinto eziguquguqukayo, indawo yokutsha ephantsi kwaye kulula ukuyibamba umlilo. Isetyenziswa ngokubanzi kwi-gasification, kwishishini lokunyibilikisa ulwelo, kwibhoyila yamandla, njl.njl.
Amalahle eBituminous:
Ngokwesiqhelo ingamaqhekeza, incinci kwaye ifana nomgubo, imnyama kakhulu kwaye iyakhazimla, inobume obucolekileyo, iqulethe ngaphezulu kwe-30% yezinto eziguquguqukayo, indawo yokutsha ephantsi kwaye kulula ukuyitshisa; Uninzi lwamalahle e-bituminous anamathela kwaye kulula ukuwalahla xa etsha. Isetyenziswa kwi-cooking, ukuxuba amalahle, i-power boiler kunye ne-gasification.
I-Anthracite:
Kukho iintlobo ezimbini zepowder kunye neziqwenga ezincinci, ezimnyama, zesinyithi nezikhazimlayo. Ukungcola okuncinci, ubume obuncinci, umxholo ophezulu wekhabhoni engaguqukiyo, ukuya kuthi ga kwi-80%; Umxholo oguquguqukayo uphantsi, ngaphantsi kwe-10%, indawo yokutsha iphezulu, kwaye akulula ukubamba umlilo. Ubungakanani obufanelekileyo bamalahle kunye nomhlaba kufuneka bongezwe ukuze kutshalwe ukunciphisa amandla omlilo. Ingasetyenziselwa ukwenza igesi okanye ngqo njengepetroli.
Ukuhamba kwenkqubo yokucolwa kwamalahle
Xa kugaywa amalahle, ikakhulu kusekelwe kwi-Harzburg grindability coefficient yayo. Okukhona iHarzburg grindability coefficient inkulu, kokukhona igrinda ngcono (≥ 65), kwaye okukhona iHarzburg grindability coefficient incinci, kokukhona igrinda nzima (55-60).
Amagqabaza:
2 Khetha umatshini oyintloko ngokweemfuno zemveliso kunye nobukhulu;
② Isicelo esiphambili: amalahle acoliweyo ashushu
Uhlalutyo kwiimodeli zokugaya
1. Umatshini wokugaya amalahle iPendulum (HC, uthotho lweHCQ olucoliweyo):
Iindleko zotyalo-mali eziphantsi, imveliso ephezulu, ukusetyenziswa kwamandla aphantsi, izixhobo ezizinzileyo kunye nengxolo ephantsi; Ingxaki kukuba iindleko zokusebenza nokugcinwa ziphezulu kunezo ze-vertical mill.
Itheyibhile yomthamo wesixhobo sokusila se-HC series (200 mesh D90)
|
| HC1300 | HC1700 | I-HC2000 |
| Umthamo (t/h) | 3-5 | 8-12 | 15-20 |
| Injini yomatshini wokusila oyintloko (kw) | 90 | 160 | 315 |
| Injini yokuvuthela (kw) | 90 | 160 | 315 |
| Imoto yokwahlulahlula (kw) | 15 | 22 | 75 |
Amagqabaza (uqwalaselo oluphambili):
① Inkqubo yesekethe evulekileyo enelungelo elilodwa lomenzi weHongcheng yamkelwe kwi-lignite kunye ne-long flame coal enokuguquguquka okuphezulu.
② Isakhelo seentyantyambo zeplum esinesakhiwo sependulum esithe nkqo sisebenzisa isakhiwo sesleeve, nto leyo enefuthe elingcono.
③ Isixhobo esithintela ukuqhuma senzelwe inkqubo.
④ Umqokeleli wothuli kunye nombhobho kufuneka zenzelwe ukuthintela ukuqokelelwa kothuli olungasebenziyo kangangoko kunokwenzeka.
⑤ Kwinkqubo yokuhambisa umgubo, kucetyiswa ukuba abathengi basebenzise inkqubo yokuhambisa igesi baze bongeze ngokwemiqathango inkqubo yokuhambisa initrogen kunye nenkqubo yokufumanisa i-nitric oxide.
2. Umatshini wokutshiza amalahle ome nkqo (umatshini wokutshiza amalahle ome nkqo we-HLM):
Imveliso ephezulu, imveliso enkulu, izinga eliphantsi lokugcinwa, izinga eliphezulu loomatshini abazisebenzelayo kunye netekhnoloji yomoya oshushu ovuthiweyo. Ingxaki zixabiso eliphezulu lotyalo-mali kunye nomgangatho omkhulu.
Iinkcukacha kunye neeparamitha zobugcisa ze-HLM pulverized coal vertical mill (ishishini le-metallurgical)
| Imodeli | I-HLM1300MF | I-HLM1500MF | I-HLM1700MF | I-HLM1900MF | I-HLM2200MF | I-HLM2400MF | I-HLM2800MF |
| Umthamo (t/h) | 13-17 | 18-22 | 22-30 | 30-40 | 40-50 | 50-70 | 70-100 |
| Ukufuma kwezinto | ≤15% | ||||||
| Ukuqina kwemveliso | D80 | ||||||
| Ukufuma kwemveliso | ≤1% | ||||||
| Amandla enjini ephambili (kw) | 160 | 250 | 315 | 400 | 500 | 630 | 800 |
Inqanaba lokuQala:Cukungxama kwezinto eziluhlaza
EnkuluAmalahleIzinto ezisetyenziswayo zityunyuzwa yi-crusher ukuya kutsho kutyebe lokutya (15mm-50mm) olunokungena kwi-grinding mill.
IqongaII: Gukugoba
AbatyumkileyoAmalahleIzinto ezincinci zithunyelwa kwi-hopper yokugcina izinto nge-elevator, zize zithunyelwe kwigumbi lokusila le-mill ngokulinganayo nangobuninzi yi-feeder ukuze zisilwe.
Inqanaba lesiThathu:Hlela ngokweenkcukachaing
Izinto ezisiliweyo zilinganiswa ngokwenkqubo yokulinganisa, kwaye umgubo ongafanelekiyo ulinganiswa ngokwesihluzo kwaye ubuyiselwe kumatshini oyintloko ukuze usetyenziswe kwakhona.
IqongaV: Cukuqokelelwa kweemveliso ezigqityiweyo
Umgubo ohambelana nobunzima buhamba ngepayipi kunye negesi uze ungene kwisiqokeleli sothuli ukuze sahlulwe kwaye siqokelelwe. Umgubo ogqityiweyo oqokelelweyo uthunyelwa kwisisele semveliso egqityiweyo ngesixhobo sokuhambisa ngesango lokukhupha, uze upakishwe yi-powder tanker okanye i-automatic packer.
Imizekelo yokusetyenziswa kokulungiswa komgubo wamalahle
Imodeli kunye nenani lezi zixhobo: Iiseti ezi-3 zee-HC1700 open circuit system grinding mills
Ukucubungula izinto eziluhlaza: i-Anthracite
Ubungakanani bemveliso egqityiweyo: 200 mesh D92
Umthamo wezixhobo: 8-12 iitoni / ngeyure
Le projekthi iza kubonelela ngamalahle acoliweyo kwibhoyila efudunyezwa ngamalahle yenkqubo yokufudumeza engaphantsi komhlaba kwimayini yamalahle yaseBulianta yeqela. Umphathi jikelele wale projekthi yiChina Academy of Coal Sciences. Ukusukela ngo-2009, iChinese Academy of Coal Sciences ibiliqabane eliphambili leHongcheng kwaye ingumfelandawonye oqinileyo. Zonke iiprojekthi zebhoyila ezifudunyezwa ngamalahle kunye neeprojekthi zelahle ezicoliweyo zisebenzisa umtshini wokugaya waseHongcheng ukuze kuhambelane nenkqubo. Kwiminyaka emi-6 edlulileyo, iHongcheng isebenzisane ngokunyanisekileyo neAcademy of Coal Sciences, kwaye iiprojekthi zokuhluza amalahle ezicoliweyo zisasazeke kuzo zonke iindawo eziphambili ezivelisa amalahle eTshayina. Le projekthi isebenzisa iiseti ezintathu zeeRaymond mills ezinenkqubo yesekethe evulekileyo ye-HC1700, ezenzelwe ngokukodwa ukuhluza amalahle acoliweyo. I-Hc1700 pulverized coal grinding mill isebenzisa isekethe evulekileyo, ukufakwa kwesixhobo esingaqhumiyo kunye nezinye iindlela, kwaye inkqubo ikhuselekile kwaye ithembekile. Imveliso ye-HC1700 mill iphezulu ngama-30-40% kuneyomatshini wokugaya we-pendulum wendabuko, ogcina amandla kwaye unobuhlobo nokusingqongileyo.
Ixesha lokuthumela: Okthobha-22-2021
