Okwu Mmalite nke Coal
Coal bụ ụdị ịnweta ikuku carbonized.A na-ahazi ya site na carbon, hydrogen, oxygen, nitrogen na ihe ndị ọzọ, nke ọtụtụ mmadụ na-eji dị ka mmanụ ọkụ.Ka ọ dị ugbu a, coal nwere ugboro iri isii na atọ nke ihe nchekwa enyochara karịa mmanụ ala.A na-akpọ coal ọla edo ojii na nri nke ụlọ ọrụ, bụ ike kachasị kemgbe narị afọ nke 18.N'oge mgbanwe nke ụlọ ọrụ mmepụta ihe, yana nrụpụta na ntinye nke injin uzuoku, a na-eji coal eme ihe n'ọtụtụ ebe dị ka mmanụ ụlọ ọrụ mmepụta ihe wee weta nnukwu ikike na-arụpụta ihe maka ọha mmadụ.
Ngwa nke Coal
E kewara kol ndị China ụzọ iri.N'ozuzu, coal na-adabereghị, coking coal, coal abụba, coal gas, adịghị ike jikọrọ ọnụ, enweghị njikọ na ogologo ọkụ ọkụ ka a na-akpọkọta ọnụ dị ka coal bituminous;A na-akpọ coal nkịtị ọkara Anthracite;Ọ bụrụ na ọdịnaya na-agbanwe agbanwe karịrị 40%, a na-akpọ ya lignite.
Tebụl nkewa coal (karịsịa coking coal)
| Otu | Kọl dị nro | Obere kol | Kọl dị nro | Ịkpọ kol | Kol mara abụba | Gas kol | Coal njikọ na-adịghị ike | Coal anaghị agbakọ | Ogologo icheku ọkụ | Kọlụ aja aja |
| Volatility | 0 ~ 10 | > 10-20 | > 14-20 | 14-30 | 26-37 | >30 | > 20-37 | > 20-37 | >37 | >40 |
| Njirimara cinder | / | 0 (ntụ ntụ) | 0 (ihe mgbochi) 8-20 | 12-25 | 12-25 | 9-25 | 0 (mgbochi) ~ 9 | 0 (ntụ ntụ) | 0 ~ 5 | / |
Lignite:
Ọtụtụ n'ime nnukwu, ọchịchịrị aja aja, ọchịchịrị luster, rụrụ udidi;Ọ nwere ihe dị ka 40% ihe na-agbanwe agbanwe, ebe mgbanye dị ala yana ọ dị mfe ijide ọkụ.A na-ejikarị ya na gasification, ụlọ ọrụ liquefaction, igwe ọkụ ọkụ, wdg.
Coal bitumin:
Ọ bụ n'ozuzu granular, obere na ntụ ntụ, nke na-abụkarị oji ma na-egbukepụ egbukepụ, nwere ọdịdị dị mma, nke nwere ihe karịrị 30% na-agbanwe agbanwe, obere ọkụ ọkụ ma dị mfe ọkụ;Ọtụtụ icheku bituminous na-anyagide ma dị mfe ịkụ n'oge ọkụ.A na-eji ya na coking, coal mixing, power boiler and gasification industry.
Anthracite:
Enwere ụdị ntụ ntụ abụọ na obere iberibe, nke dị oji, ọla na nke na-egbuke egbuke.Ihe na-adịghị ọcha, ụdị kọmpat, ọdịnaya carbon dị elu, ihe ruru 80%;Ọdịnaya na-agbanwe agbanwe dị ala, n'okpuru 10%, ebe mgbanye ọkụ dị elu, ọ dịghịkwa mfe ijide ọkụ.A ga-agbakwunye oke kol na ala kwesịrị ekwesị maka mgbanyụ ọkụ iji belata ọkụ ọkụ.Enwere ike iji ya mee gas ma ọ bụ ozugbo dị ka mmanụ ụgbọala.
Usoro eruba nke coal pulverization
N'ihi na coal egweri, ọ na-tumadi dabere na ya Harzburg grindability ọnụọgụ.Ọnụ ọgụgụ ka ukwuu nke Harzburg grindability coefficient, ka ọ ka mma na-egweri (≥ 65), na obere nha nha nha Harzburg, ka ahụ na-esiwanye ike (55-60).
Okwu:
① họrọ igwe isi dị ka mmepụta na ịdị mma chọrọ;
② Ngwa ngwa: coal kpochapuru ọkụ
Nyocha na-egweri igwe ụdị
1. Pendulum igwe ihe igwe (HC, HCQ usoro pulverized coal igwe nri):
Ọnụ ego ntinye ego dị ala, mmepụta dị elu, obere ume ike, akụrụngwa kwụsiri ike na obere mkpọtụ;Ihe ndọghachi azụ bụ na ọrụ na ụgwọ mmezi dị elu karịa nke igwe igwe kwụ ọtọ.
Okpokoro ike nke HC usoro igwe ihe igwe nri (200 mesh D90)
|
| HC1300 | HC1700 | HC2000 |
| Ike (t/h) | 3-5 | 8-12 | 15-20 |
| Igwe igwe igwe igwe (kw) | 90 | 160 | 315 |
| Igwe ọkụ (kw) | 90 | 160 | 315 |
| Motor Classifier (kw) | 15 | 22 | 75 |
Okwu (nhazi isi):
① Hongcheng patented oghe sekit usoro na-nakweere maka lignite na ogologo ire ọkụ coal na elu volatility.
② Oghere okooko osisi plum nwere ihe owuwu pendulum kwụ ọtọ na-anabata usoro aka uwe, nke nwere mmetụta ka mma.
③ Emebere ngwaọrụ ihe mgbawa maka sistemu.
④ A ga-ahazi onye na-anakọta uzuzu na pipeline iji zere ikpokọta uzuzu nwụrụ anwụ dị ka o kwere mee.
⑤ Maka usoro mbufe ntụ ntụ, a na-atụ aro ka ndị ahịa na-ebufe gas ma tinye ntinye nitrogen na usoro nchọpụta nitric oxide.
2. Igwe ihe igwe kwụ ọtọ (HLM vetikal coal igwe nri):
Nrụpụta dị elu, nnukwu mmepụta ihe, ọnụ ọgụgụ mmezi dị ala, ogo dị elu nke akpaaka na teknụzụ ikuku ọkụ tozuru okè.Ọdịmma ya bụ nnukwu ego itinye ego na nnukwu ala ala.
Nkọwapụta na teknuzu teknụzụ nke HLM kpụpụrụ coal vertical igwe nri (ụlọ ọrụ metallurgical)
| Nlereanya | HLM1300MF | HLM1500MF | HLM1700MF | HLM1900MF | HLM2200MF | HLM2400MF | HLM2800MF |
| Ike (t/h) | 13-17 | 18-22 | 22-30 | 30-40 | 40-50 | 50-70 | 70-100 |
| Mmiri mmiri | ≤15% | ||||||
| Ịdị mma ngwaahịa | D80 | ||||||
| Ngwaahịa mmiri | ≤1% | ||||||
| Isi moto (kw) | 160 | 250 | 315 | 400 | 500 | 630 | 800 |
Agba I:Cngwa ngwa nke akụrụngwa
Nke buru ibuKọlihe na-echi ọnụ n'ala site crusher na ndepụta fineness (15mm-50mm) nwere ike ịbanye na igwe nri.
OgboII: Gagba
Nke anuahadeKọlA na-eziga obere ihe na hopper nchekwa site na elevator, wee ziga ya n'ime ụlọ a na-egwe nri nke igwe nri n'otu n'otu na ọnụ ọgụgụ site na onye na-eri nri maka ịkwanye.
Agba III:Hazieing
A na-eji usoro grading na-edozi ihe ndị a kpụrụ akpụ, na ntụ ntụ na-erughị eru bụ nke onye nhazi ọkwa wee laghachi na igwe bụ isi maka ịkwagharị.
OgboV: Cnchịkọta nke emechara ngwaahịa
Ntụ ntụ na-ekwekọ na ịdị mma na-esi na pipeline na gas na-abanye na nchịkọta uzuzu maka nkewa na nchịkọta.A na-eziga ntụ ntụ a chịkọtara na silo ngwaahịa emechara site na ngwaọrụ na-ebufe site na ọdụ ụgbọ mmiri, wee tinye ya site na tankị ntụ ntụ ma ọ bụ akpa akpaaka.
Ihe atụ ngwa nke nhazi ntụ ntụ
Model na ọnụ ọgụgụ nke ngwá ọrụ a: 3 tent nke HC1700 oghe sekit usoro egweri igwe nri
Nhazi akụrụngwa: Anthracite
Ịdị mma nke ngwaahịa emechara: 200 mesh D92
Ike akụrụngwa: 8-12 tọn / elekere
Ihe oru ngo a bu iweta coal a kpochapuru maka igwe okuku oku nke sistemu ikpo oku n'ime ala Bulianta na-egwuputa coal nke otu.Onye na-arụ ọrụ n'ozuzu nke oru ngo a bụ China Academy of Coal Sciences.Ebe ọ bụ na 2009, Chinese Academy of Coal Sciences abụrụla onye mmekọ atụmatụ Hongcheng yana njikọ aka siri ike.Igwe ọkụ ọkụ niile na-ekpo ọkụ na coal na-akpụ akpụ na-ewere igwe igwe ihe na-egweri Hongcheng maka dakọtara.N'ime afọ 6 gara aga, Hongcheng ejirila ezi obi na-arụkọ ọrụ ọnụ na Academy of Coal Sciences, na pulverized coal pulverizing oru ngo agbasawo niile isi coal-amị ebe na China.Ihe oru ngo a na-ewere igwe igwe Raymond atọ nwere sistemu sekit mepere emepe HC1700, nke emebere nke ọma maka igwe kol gbajiri agbaze.Hc1700 pulverized coal-egweri igwe nri adopts oghe sekit, echichi nke mgbawa-egosi ngwaọrụ na ndị ọzọ jikoro, na usoro bụ mma na a pụrụ ịdabere na.Nsonaazụ nke igwe ihe igwe HC1700 dị 30-40% dị elu karịa nke igwe igwe na-egweri pendulum ọdịnala, nke na-azọpụta ike yana mmekọrịta gburugburu ebe obibi.
Oge nzipu: Ọktoba 22-2021
