選煤廠設(shè)計(jì)的現(xiàn)狀外文翻譯-資料下載頁
2025-06-04 18:53本頁面
【正文】 view of present level of machine fabrication in China,all largescale or super largescale coal preparation plants could be equipped by domestically made machines without equipment for second stage construction of Anjialing Coal Preparation P1ant are more less than that in first stage. Recent plant design in China widely employs innovate technology originated from achievement of the State Key Projects inNinth fiveyear planandTenth fiveyear P1an or their are:threreeproduct HM cyclone, HM cyclone of large diameter,HM process on unclassitied feed,HM process on undeslimed feed,separation of supperclean coal by twostage HM cyclone,flotation column (bed),refuse discharge technique in movingsieve jig,drycleaning method, hyperbaric filter , highinclination and large amplitude vibration dewatering which,threeproduct HM cyclone of large diameter is an important Chinese contribution to coal preparation sector in the world. HW series of HM cyclone (Φ1400/1050).codeveloped and fabricated by Beijing Huayu Weihai Haiwang Cyclone Co.,is no more a simple bination of two cyclones , but really one cyclone producing three have denoted that flow pattern of heavy medium at second stage is stable and coal layers to shortening separation time at second stage and increase of separation sharp. ness and HM cyclone has been installed at Wangfenggang Coal Preparation Plant in its conversion construction and will be put in operation by the end of this year. 2. Typical coal preparation plants Several dozens of new preparation plants are recently designed and constructed in authors consider typical plants with special features are Anjialing Coal Preparation Plant(CPP),Linhuan CPP。 Shigetal CPP and Daliuta CPP. Anjialing CPP 1ocated at Shuozhou City of the largest modern coal preparation plant in first stage of construction started in April of 1998 and pleted in August of 2021。 treating raw coal from Anjialing de signed capacity was 15 Mt/ according to State Standard of working hours, 5280h/a,its real capacity is up to 24~25Mt/ second stage of construction started in April of and pleted in July raw coal from 1 Pit 0f Anjialing Mine and local coal bought designed capacity of the second stage was 10Mt/ to new standard. its real capacity will be 14~15 Mt/ operation of the second total capacity wi11 be 38~40Mt/a. This plant has two systems。 one for exportation by other for domestic sale by refuse separation process employed:hallow bath with scrapper for treating 150~13mm lump cyclone for 13~ fine products and their quality are:the clean coal (qualified steam coa1)for exportation,ash Ad ≤14%,sulfur St,d≤ 1%,heat value Qgr,v,ad ≥ 。the washed coal mix for general domestic sale,Ad ≤ 35%,St,d ≤ 1%,Q,ar ≥ 。the mixed coal(qualified mixed coa1)for domestic power plants, Ad≤ 22%,St,d ≤ %,Q,ar ≥ :W22F54 shallow bath HM scrapper cyclone,MMD1050 and MMD625 39。 2439。 classification screen,HVS1039。 1639。demedium screen. HSG1 100 and H900C classifying cy clone,Φ36117magic separator.
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