Selelekela sa Mashala
Mashala ke mofuta oa liminerale tsa carbonized fossil.E hlophisitsoe ke khabone, haedrojene, oksijene, naetrojene le likarolo tse ling, tse ngata tse sebelisoang e le libeso ke batho.Hona joale, mashala a na le makhetlo a 63 a matla a polokelo ho feta petroleum.Mashala a ne a bitsoa khauta e ntšo 'me lijo tsa indasteri, ke matla a maholo ho tloha lekholong la bo18 la lilemo.Nakong ea Phetohelo ea Liindasteri, hammoho le ho qaptjoa le ho sebelisoa ha enjene ea mouoane, mashala a sebelisoa haholo e le mafura a indasteri 'me a tlisa matla a maholo a hlahisang litholoana sechabeng.
Tšebeliso ea Mashala
Mashala a Chaena a arotsoe ka lihlopha tse leshome.Ka kakaretso, mashala a mahlahahlaha, mashala a kolobisang, mashala a mafura, mashala a khase, a kopantsoeng ka mokhoa o fokolang, a sa kopane le mashala a malelele a mollo ka kakaretso a bitsoa mashala a bituminous;Leshala le omeletseng le bitsoa semi Anthracite;Haeba litaba tse sa tsitsang li feta 40%, li bitsoa lignite.
Tafole ea likarolo tsa mashala (haholo-holo ho pheha mashala)
| Sehlopha | Leshala le bonolo | Leshala le fokolang | Leshala le omeletseng | Ho pheha leshala | Mashala a mafura | Mashala a khase | Leshala le fokolang la tlamo | Mashala a se nang tlamo | Leshala le lelelele la mollo | Leshala le sootho |
| Ho hloka botsitso | 0~10 | > 10–20 | > 14 ~ 20 | 14-30 | 26-37 | >30 | >20–37 | >20–37 | >37 | >40 |
| Litšobotsi tsa cinder | / | 0(phofo) | 0(li-blocks) 8~20 | 12-25 | 12-25 | 9-25 | 0(maboloko)~9 | 0(phofo) | 0~5 | / |
Lignite:
Boholo bo boholo, bo sootho bo lefifi, bo benyang bo lefifi, bo hlephileng;E na le hoo e ka bang 40% ea lintho tse feto-fetohang, sebaka se tlaase sa ho tima le ho chesoa habonolo.Ka kakaretso e sebelisoa indastering ea liquefaction, boiler ea matla, joalo-joalo.
Mashala a bituminous:
Ka kakaretso e na le granular, e nyane ebile e le phofo, haholo-holo e ntšo ebile e benya, e na le sebopeho se setle, e nang le lintho tse fetang 30% tse sa tsitsang, ntlha e tlaase ea ho khantša 'me e bonolo ho e hotetsa;Mashala a mangata a bituminous a khomarela 'me a le bonolo ho senya nakong ea mollo.E sebelisoa indastering ea ho pheha, ho kopanya mashala, boiler ea matla le indasteri ea khase.
Anthracite:
Ho na le mefuta e 'meli ea phofo le likotoana tse nyane, tse ntšo, tsa tšepe le tse benyang.litšila tse fokolang, sebopeho se kopaneng, khabone e phahameng e tsitsitseng, ho fihlela ho feta 80%;Boemo bo sa tsitsang bo tlase, bo ka tlase ho 10%, sebaka sa ho besa se phahame, 'me ha ho bonolo ho tšoara mollo.Palo e nepahetseng ea mashala le mobu li tla eketsoa bakeng sa ho tuka ho fokotsa matla a mollo.E ka sebelisoa ho etsa khase kapa ka ho toba e le mafura.
Mokhoa oa ho phalla ha mashala
Bakeng sa ho sila ha mashala, haholo-holo e thehiloe ho coefficient ea eona ea Harzburg grindability.Ha e le khōloanyane ea Harzburg grindability coefficient, molemo oa ho sila (≥ 65), 'me e nyenyane ea Harzburg grindability coefficient, ho thata haholo ho sila (55-60).
Maikutlo:
① khetha mochini o ka sehloohong ho latela sephetho le litlhoko tsa botle;
② Tšebeliso ea mantlha: mashala a futhumetseng a pholileng
Tlhahlobo ea mefuta ea ho sila
1. Leloala la pendulum (HC, HCQ letoto la leloala le thuntseng mashala):
Theko e tlase ea matsete, tlhahiso e phahameng, tšebeliso e tlase ea matla, lisebelisoa tse tsitsitseng le lerata le tlase;Bothata ke hore litšenyehelo tsa ts'ebetso le tlhokomelo li phahame ho feta tsa leloala le otlolohileng.
Tafole ea bokhoni ea leloala la ho sila la HC (200 mesh D90)
|
| HC1300 | HC1700 | HC2000 |
| Bokhoni (t/h) | 3-5 | 8-12 | 15-20 |
| Enjene e kholo ea leloala (kw) | 90 | 160 | 315 |
| Motlakase oa motlakase (kw) | 90 | 160 | 315 |
| Enjene ea sehlopha (kw) | 15 | 22 | 75 |
Maikutlo (tekanyo ea mantlha):
① Sistimi e bulehileng ea patente ea Hongcheng e amoheloa bakeng sa mashala a lignite le a malelele a lelakabe a nang le botsitso bo phahameng.
② Thepa ea palesa ea plum e nang le pendulum e otlolohileng e amohela sebopeho sa matsoho, se nang le phello e ntle.
③ Sesebelisoa sa bopaki ba ho phatloha se etselitsoe sistimi.
④ Mokelli oa lerōle le lipeipi li tla etsoa ho qoba ho bokellana ha lerōle kahohle kamoo ho ka khonehang.
⑤ Bakeng sa mokhoa oa ho fetisa phofshoana, ho kgothaletswa hore bareki ba amohele phetisetso ya kgase mme ba kenye ka ho ya ka maemo a ho fetisa naetrojene le sistimi ya ho bona nitric oxide.
2. Leloala le otlolohileng la mashala (HLM e theohileng ea mashala):
Tlhahiso e phahameng, tlhahiso e kholo, tekanyo e tlaase ea tlhokomelo, tekanyo e phahameng ea boits'oaro le theknoloji e holileng ea moea o chesang.Bobebe ke litšenyehelo tse phahameng tsa matsete le sebaka se seholo sa fatše.
Litlhaloso le litekanyetso tsa tekheniki tsa HLM e hahelletsoeng ka mashala a otlolohileng (indasteri ea metallurgic)
| Mohlala | Tlhaloso: HLM1300MF | Tlhaloso: HLM1500MF | Tlhaloso: HLM1700MF | Tlhaloso: HLM1900MF | Lethathamo la HLM2200MF | Lethathamo la HLM2400MF | Tlhaloso: HLM2800MF |
| Bokhoni (t/h) | 13-17 | 18-22 | 22-30 | 30-40 | 40-50 | 50-70 | 70-100 |
| Mongobo oa lintho tse bonahalang | ≤15% | ||||||
| Bokhabane ba sehlahisoa | D80 | ||||||
| Mongobo oa sehlahisoa | ≤1% | ||||||
| Matla a motlakase (kw) | 160 | 250 | 315 | 400 | 500 | 630 | 800 |
Mothati oa I:Cho potlaka hoa thepa e tala
E kgolohadiMashalathepa e silakanngoa ke crusher ho phepelo fineness (15mm-50mm) hore ka kena leloala sila.
SethalaII: Grinding
E sithabetsengMashalalisebelisoa tse nyenyane li romeloa hopper ea polokelo ka lifti, ebe li romelloa kamoreng ea ho sila ea leloala ka mokhoa o lekanang le ka bongata ka se fepa bakeng sa ho sila.
Mothati oa III:Hlophisaing
Lisebelisoa tse sililoeng li hlophisoa ka mokhoa oa ho hlophisa, 'me phofo e sa tšoaneleheng e kenngoa ke sehlopha sa lihlopha ebe e khutlisetsoa mochine o moholo bakeng sa ho sila hape.
SethalaV: Cho bokella lihlahisoa tse felileng
Phofo e tsamaellanang le khase e phalla ka har'a phaephe e nang le khase 'me e kena ka har'a pokello ea lerōle bakeng sa ho arohana le ho bokella.Phofo e bokelletsoeng e fetisetsoa ho silo ea sehlahisoa se felileng ka sesebelisoa se tsamaisang ka boema-kepe ba ho lahla, ebe se pakoa ke tanka ea phofo kapa sephutheloana sa othomathiki.
Mehlala ea kopo ea ts'ebetso ea phofo ea mashala
Mohlala le palo ea thepa ena: 3 disete tsa HC1700 bula tsamaiso ea potoloho sila Mills
Ho sebetsa thepa e tala: Anthracite
Bokhabane ba sehlahisoa se felileng: 200 mesh D92
Thepa Bokhoni: 8-12 lithane / hora
Morero ke ho fana ka mashala a hloekisitsoeng bakeng sa boiler e chesitsoeng ka mashala ea sistimi e futhumatsang ea ka tlas'a lefatše morafong oa mashala oa Bulianta oa sehlopha.Mokonteraka ea akaretsang oa morero ona ke China Academy of Coal Sciences.Ho tloha ka 2009, Chinese Academy of Coal Sciences e bile molekane oa maano oa Hongcheng le selekane se matla.Li-boiler tsohle tse chesitsoeng ka mashala le merero ea mashala a silafalitsoeng li amohela leloala la ho sila la Hongcheng bakeng sa ho tsamaisana le sistimi.Lilemong tse 6 tse fetileng, Hongcheng e sebelisane 'moho ka tieo le Academy of Coal Sciences,' me merero ea ho pshatla mashala e hasane hohle libakeng tse ka sehloohong tse hlahisang mashala Chaena.Morero o amohela lihlopha tse tharo tsa limilone tsa Raymond tse nang le sistimi e bulehileng ea HC1700, e etselitsoeng ka ho khetheha ho sila mashala a kolobisitsoeng.Hc1700 pulverized mashala siloa leloala amohela potoloho e bulehileng, ho kenya sesebediswa sa bopaki ba ho phatloha le mehato e meng, mme sistimi e bolokehile ebile e ka tšeptjoa.Sephetho sa leloala la HC1700 ke 30-40% se phahameng ho feta sa leloala la setso la pendulum, le bolokang matla le tikoloho.
Nako ea poso: Oct-22-2021
