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1、XGS1009型倾斜式滚动筛煤机说明书 山西电力设备厂目 录CONTENTS 概述1 General1 主要技术参数1 Main technical parameters1.结构特点及工作原理:(参看附图1)2.Construction and working principle (See Fig.1)2.设备的安装(参阅总图)3. Installation of equipment (See the general drawing)3 试车3 Commissioning3 运行与维护4 Running and maintenance4 易损件明细5 Wearing parts5附图1 XGS
2、1009型倾斜式滚动筛煤机结构图6Fig.1 Construction drawing of XGS10096附图2 设备基础图7Fig.2 Foundation drawing of Equipment77 概述 General XGS1009型倾斜式滚动筛煤机是我厂新开发的筛煤机械,是目前我国火力发电厂输煤系统中广泛选用的筛煤设备之一。XGS1009 inclined roller screen is a new developed coal screening machine by our plant. It is one of screening equipment which are
3、 widely used in the coal conveying systems in Chinese thermal electric power plants.该产品具有结构合理、筛分效率高、噪音低、无振动、无粉尘、不堵煤、维修方便等特点。This product has advantages of rational construction, high screen efficiency, low noise, no vibration, free of dust, free from clogging or jamming, easy maintenance and so on.
4、主要技术参数 Main technical parameters用途Applications筛分煤炭、焦炭、石灰石等Screening coal, cake, limestone, etc.额定出力Rated capacityt/h450筛分效率Screening efficiency%90筛面面积Screen deck aream23.33×1.0入料粒度Size of starting materialmm250筛下粒度Through-screen sizemm30筛轴数量Number of shafts9筛轴转速Speed of screen shaftr/min90电机-减速
5、机Hypoid gearMD77-YGb3-4P-15.60-M1整机重量Weight of roller screenkg10000外型尺寸Overall dimensionsmm4860×2181×2155.结构特点及工作原理(参看附图1).Construction and working principle (See Fig.1)1.结构特点:Construction:滚动筛主要由前筛箱、后筛箱、下筛箱、筛轴及煤挡板五部分组成。所有壳体均由钢板焊接而成,箱体内两侧固定有耐磨衬板,大大提高了设备的寿命。 The roller screen is consisted of
6、 front screen box, rear screen box, lower screen box, screen shafts and retaining plate. All of shell bodies are made of welded steel plates. There are wear-resistant plates at the both sides of each body so as to improve the life of equipment.煤挡板置于入料口的下方,设备在工作状态时挡板处于状态的位置;当煤的粒度30mm不须筛分或设备出现故障而输煤线不能
7、停机时,可启动电动推杆将煤挡板转到状态的位置,这时煤流可直接落入下游运输皮带中。The retaining plate is located below the feed entry. When the screen is in working order, the retaining plate is at the position of Status 1. When the size of coal 30mm are unnecessary to screen or there are something wrong with the equipment and the coal conv
8、eying line can not stopped, the electrically pushing lever can be activated to turn the retaining plate to the position of Status 2 and now coal can be dropped directly onto the downstream conveying belt.筛轴之间距为370mm,其排列为折线型式,前四根轴排列与水平面成15°角,后五根轴为3°。这样,避免了堵煤现象的发生,且大大提高了筛分效率。The screen shaft
9、s have a centre distance space of 370mm with a multiangular arrangement. The first four shafts have a angle of 15°to the level horizontal surface and the rear five shafts have a angle of 3°. These doing prevent from coal clogging or jamming and the screening efficiency can be greatly impro
10、ved.每根筛轴各由一台减速机驱动,便于维修。如有一台减速机发生故障停机设备仍可继续运行。筛轴下方装有清扫板,可随时清理掉夹在筛片间的煤块保证筛孔畅通。Each shaft is driven by a reducer. It is easy for maintenance and repair. When a reducer is shut down due to failure, the equipment is still continued to operate. There are cleaning plates below the screen shafts so that the
11、 coal lumps dropped between the screen gratings can be removed at any time so as to ensure smooth screening holes.2.工作原理:Working principle: 物料从入料口进入筛箱后开始在自重和筛片转动的双重作用下以较快速度向下游移动同时进行筛分,此为第一筛分阶段。紧接着进入第二筛分阶段,在此阶段中由于筛轴排列进乎水平物料前进速度减慢此为筛分的第二阶段即精筛阶段物料经此阶段后粒度小于30mm 的已被筛下,大于30mm的经出料口被送入下游运输皮带。After the mater
12、ial are put into the screen box through the feed entry, they begin to move downwards at a rapid speed by their own gravity and rotating screen gratings and the screening is carried out at the same time. This is the first screening stage. Then the second stage is followed, the movement of the materia
13、l is speeded down because of almost leveled screen shafts, the material less than 30mm shall be screened through and those more than 30mm shall be put onto the downstream conveying belt through the discharge opening.设备的安装(参阅总图). Installation of equipment (See the general drawing)1.根据工艺布置的要求,滚动筛煤机分左、
14、右安装两种型式;顺煤流方向看,电动 推杆在左侧为左安装,反之为右安装。1. The roller screens can be divided into: left and right mounting versions according to the requirements of technological arrangement. Viewing along coal flow, the left mounting means the electric pushing lever at the left side and the right mounting means the ele
15、ctric pushing level at the right side.2.安装前应根据设备地基图的要求设置预埋件,待设备就位、找正、调整好后,将底座与预埋件焊牢。2. The embedded parts shall be located according to the foundation plan prior to installation, after the equipment is put in place, aligned and adjusted, the base and embedded parts shall be welded securely. 试车 Commi
16、ssioning试车分空载运转和负载运转两个阶段,空载运转正常后,方可进行负载运转。The commissioning of the roller screen are divided into two phases: idle load running and load running. After the idle load running is put in normal order, the load running can be carried out. 1.空载运转:Idle load running: (1)试运之前先检查减速机及轴承座内是否加足了润滑油(脂)。 (1) Befo
17、re test running, the inspection shall be made that the reducers and the bearing boxes are filled with sufficient grease or oil. (2)试运之前应先清除筛面上的杂物。(2) Before test running, all foreign matter shall be removed from the screen decks. (3)先点动运转,正常后方可连续运转。在此阶段各减速机、筛轴应转动灵活,轴承温升应正常,否则应立即停机检查,排除后继续试车,直到正常为止。(
18、3) After normal running through inching operation, continuous running can be carried out. In this phase, all reducers and screen shafts shall be rotated freely, with all bearing at a normal temperature rise, or otherwise the machine shall be stopped at once for inspection. After the causes of abnorm
19、ity are eliminated, the commissioning can be continued until the machine is in good order. 2.负载运转:Load running:(1)当空载运转两小时无异常后方可进行负载运转。(1) After the idle running is carried out for two hours without any anomaly, the load running can be fulfilled.(2)应先启动设备后加负载,发现异常或试车结束时应先撤载后停机。(2) It shall be loaded
20、 after the equipment are activated. When abnormity is found or you want to end the commissioning, the load shall be first removed before the machine is stopped. 运行与维护 Running and maintenance设备安装在系统中应与输煤皮带机联锁运行,启动时应先启动筛煤机,后启动皮带机;停机时应先停皮带机,后停筛煤机。筛煤机投入运行后,要定期检查各润滑部位的润滑情况,定期补充和更换润滑油。斜齿轮减速机采用250#工业齿轮油润滑,
21、轴承座内采用钙基润滑脂润滑。更换周期为半年。 The machine is installed in a system and it is interlocked and run with the belt conveyor. The coal screen shall be first activated and then the belt conveyor be done, when want to start the system, but the belt conveyor shall be first stopped and then the coal screen be done when you want to stop the system. After the coal screen is put into operation, the lubricating conditions of all lubricating point shall be inspected at regular intervals and oil or grease sh
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