问题 问答题 论述题

输煤皮带机运行前的检查项目有哪些?

答案

参考答案:

(1)电动机、减速器、逆止器和皮带各部分滚筒紧固螺丝、靠背轮螺丝,应齐全、不松动。各防护罩必须完整、无损坏。对缺少防护装置的转动设备,禁止投入运行。

(2)减速器油位正常,油质清洁,接合面轴端无渗油。

(3)输煤皮带应无裂口、伤痕,胶接头应完好、无脱胶,皮带上、下无积煤、杂物,头尾部滚筒无积煤堵塞现象。

(4)调整辊筒应灵活,托辊无脱落和严重粘煤现象。

(5)制动装置、拉紧装置应灵活可靠完好,钢丝绳无断股、卡阻、脱轨现象。

(6)清扫装置应完好,刮煤作用良好,无严重粘煤现象。

(7)落煤管、电动切换挡板应无严重粘煤和堵塞现象。

(8)各导料槽、挡煤板应完好有效,检查门应关闭。

(9)拉线开关应完好可靠,无损坏。

(10)通信设施、现场照明、专用工具应齐全完好。

(11)地下室排水沟、集水井应畅通、无阻塞,污水泵排水良好,雨季随时排水。

(12)冬季,露天皮带停运后,应每隔一段时间启动一次,空转一会儿,防止因皮带表面结冰,使皮带打滑、启动不起来。

阅读理解
Winterlake Lodge
Winterlake lodge, located at mile 194 along the historic Iditarod Trail, offers good accommodation in Alaska's remote wilderness. Join owner and cook Kirsten Dixon in the kitchen for a wine tasting or cooking class, soak(泡) in the hot tub or relax by the fire or in the lakeside wood burning sauna(蒸气浴室).
ITINERARY(旅行计划)
Day 1: Anchorage to Winterlake
Depart from Anchorage's Lake Hood via ski plane for your one hour flight to Winterlake Lodge. We will take you to your comfortable cabin.
Days 2+: Winterlake Lodge.
Each day is free to enjoy all the activities included with your stay. Activities include dog mushing, cross country skiing, snowshoeing, snowmobiling, yoga, meditation and massage.
Lodge owner and famous cook Kirsten Dixon also offers daily cooking classes in the large kitchen.
Departure Day: After breakfast, depart on a scenic flight back to Anchorage. Tour ends on arrival.
ACTIVITIES
Outdoor activities include sled dog rides, guided cross country skiing and snowshoe excursions(远足), snowmobiling, and exploratory trips through Rainy Pass. If you prefer a more thorough dog sledding experience, try the 4-day sled dog school. Lodge-based activities include cooking classes, wine tasting, yoga, meditation, stretching and massage. If you are not able to participate in the culinary(烹任的) weekends, don't worry-when you visit the lodge, you will have plenty of opportunity to cook and share you culinary skill.
DATES OF OPERATION
December 15, 2009 to March 31, 2010: Daily departures
Lodge is NOT available from March 6, 7 or 8, 2010, due to being an Iditarod Check-Point.
PRICE PER PERSON
2009/2010 Winter Rates
 
Per Person
Regular Winter 2 day/ 2 night stays
$ 1,500
Regular Winter 3 day/ 3 night stays
$ 2,000
Regular Winter 4 day/ 4 night stays
$ 2,500
Culinary weekend stays
$2, 317
** Rates are based on a 2-person minimum and on 24-hour periods. Single rates upon request.
  EXPERIENCE WINTERLAKE LODGE THIS WINTER AND SAVE $250 PER DAY AND PER NIGHT PER PERSON!
小题1:What is special about Winterlake Lodge?
A.You can share your cooking skills.B.You will experience sled dog rides.
C.You will experience remote wilderness.D.You can join in many outdoor activities.
小题2:If you want to visit Winterlake Lodge, you'd better avoid        .
A.late March B.late DecemberC.mid-JanuaryD.early March
小题3: If a couple wants to stay at Winterlake Lodge for 3 days and 3 nights this winter, it will probably cost them        .
A.$2,500B.$4,000C.$4,500D.$3,500
小题4: What is the main purpose of the text?
A.To provide travel information.B.To introduce a cooking school.
C.To provide guide service.D.To introduce a sled dog school
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