洁净煤技术
潔淨煤技術
길정매기술
CLEAN COAL TECHNOLOGY
2014年
4期
22-24
,共3页
动力煤%分选%末煤%大型化
動力煤%分選%末煤%大型化
동력매%분선%말매%대형화
steam coal%separation%slack coal%large-scale
为提高动力煤入选比例,阐述了动力煤的分选特点,对比分析了干选、跳汰机排矸、块煤重介质排矸+末煤不入选、全级三产品重介质旋流器分选工艺、重介质浅槽排矸+重介质旋流器排矸5种常用动力煤分选工艺的优缺点和适用范围。提出分选动力煤时应采用简单工艺,提高自动化水平,选用单台处理能力大、高效节能、节水设备,降低基建投资,减少生产成本。最后对中国动力煤分选工艺进行展望,提出规模大型化、生产高效化、设计通用化和模块化是动力煤分选的发展趋势。此外还应研究千万吨级动力煤选煤厂分选系统单元化的块煤分选、末煤分选、细粒煤分选的大型高效成套技术和关键装备,并开发与之配套的大型分级破碎、脱水、脱介等辅助设备,为建设千万吨级高效自动化动力煤选煤厂提供技术装备。
為提高動力煤入選比例,闡述瞭動力煤的分選特點,對比分析瞭榦選、跳汰機排矸、塊煤重介質排矸+末煤不入選、全級三產品重介質鏇流器分選工藝、重介質淺槽排矸+重介質鏇流器排矸5種常用動力煤分選工藝的優缺點和適用範圍。提齣分選動力煤時應採用簡單工藝,提高自動化水平,選用單檯處理能力大、高效節能、節水設備,降低基建投資,減少生產成本。最後對中國動力煤分選工藝進行展望,提齣規模大型化、生產高效化、設計通用化和模塊化是動力煤分選的髮展趨勢。此外還應研究韆萬噸級動力煤選煤廠分選繫統單元化的塊煤分選、末煤分選、細粒煤分選的大型高效成套技術和關鍵裝備,併開髮與之配套的大型分級破碎、脫水、脫介等輔助設備,為建設韆萬噸級高效自動化動力煤選煤廠提供技術裝備。
위제고동력매입선비례,천술료동력매적분선특점,대비분석료간선、도태궤배안、괴매중개질배안+말매불입선、전급삼산품중개질선류기분선공예、중개질천조배안+중개질선류기배안5충상용동력매분선공예적우결점화괄용범위。제출분선동력매시응채용간단공예,제고자동화수평,선용단태처리능력대、고효절능、절수설비,강저기건투자,감소생산성본。최후대중국동력매분선공예진행전망,제출규모대형화、생산고효화、설계통용화화모괴화시동력매분선적발전추세。차외환응연구천만둔급동력매선매엄분선계통단원화적괴매분선、말매분선、세립매분선적대형고효성투기술화관건장비,병개발여지배투적대형분급파쇄、탈수、탈개등보조설비,위건설천만둔급고효자동화동력매선매엄제공기술장비。
In order to improve the separation proportion of steam coal, introduce the separation features. Optimize process of separating steam coal by the contrasting dry coal preparation,discharge of refuse by jigging,discharge of refuse from lump coal by dense medium sepa-ration without small coal feed,three products H.M.cyclone separation of all raw coal and discharge of refuse by H.M.vessels and cyclone. It is necessary to select energy-efficient and water saving equipment with large capacity of unit to reduce cost of production and capital in-vestment.Provide that large-scale,efficiency,generalized and modularization is the development tendency.Introduce large-scale efficient packaged technologies and key equipments used for the separation of lump coal,slack coal and fine coal in ten-million-ton steam coal sep-aration.Meanwhile,develop matching large-capacity sizing crusher and medium drainage or dehydration equipments.