3344国产在线播放观看_激情综合网址_国产性自拍_性迷宫 在线观看_成人欧美一区二区三区在线湿哒哒_有色影院

Welcome Guangdong Yuanlin New Materials Co., Ltd
服務(wù)熱線 National Service Hotline:

13826960299
18128036097

Contact us

Guangdong Yuanlin New Materials Co., Ltd

Contact person: Mr. Gu

Mobile phone:13826960299

Contact person: Li Yongfeng

Mobile phone:18128036097

Telephone:0769-88319157

Fax:0769-88319159

E-mail:gogothomas421@gmail.com

Address:No. 10, Shangye Road, Changping Village, Daojiao Town, Dongguan City


News
Your current location is:Home>>News

Precautions for mining kaolin

Release time:2022-05-31 17:13:00  Number of views:

Precautions for mining kaolin:

1. During excavator operation, mining and stripping should be carried out according to the design rules and excavation signs, and unauthorized mining and excavation are prohibited.

2. The working face should be flat and level, with a concave and convex difference of no more than 0.3 meters within 30 meters, and a concave and convex difference of no more than 0.5 meters between the inside and outside of the palm every 30 meters.

3. Road signs and speed limit signs should be set up according to specific circumstances for various car routes in the mine.

4. There are watering trucks on the road inside the mine to water and reduce dust.

5. There is a scraper to flatten the road surface inside the mine.

6. A protective lift shall be installed on the road inside the mine, with a height of 2/5-3/5 of the diameter of the car tire and a bottom width of no less than 3 meters.

7. When the car is loaded at the working face, it is necessary for the car to enter the loading direction to stop outside the maximum Radius of gyration of the excavator, and for the car being loaded, it is necessary to stop outside the Radius of gyration of the excavator tail.

8. It is necessary to brake the car being loaded, and the driver is not allowed to extend any part of their body outside the driver's cab. Other personnel are prohibited from getting on or off the vehicle, inspecting or repairing it.

9. It is necessary for a sedan to enter or exit the loading address after the excavator sends a signal.

10. It is necessary to maintain a certain safety gap between cars when waiting in line for loading.

11. When two or more single bucket excavators operate on the same or adjacent steps, the distance between the excavators shall not be less than 2.5 times the maximum excavation radius, and safety measures shall be formulated.


Scan QR code with your phoneClose
主站蜘蛛池模板: 澳门一及毛片免费看 | 成人午夜视频在线观看 | 天堂男人av | gay视频在线观看 | 狠狠狠色| 五月天婷五月天综合网 | 992tv香蕉128tv在线观看 | 天天日天天谢天天视2019天干 | 日本道免费精品一区二区三区 | 精品国产伦一区二区三区观看体验 | 国产乱一区 | 久久久久久久久久久久久91 | 久久精品欧美日韩精品 | 91九色鹿精品国产综合久久香蕉 | 涩涩视屏 | 夜夜躁狠狠躁 | 蜜臀精品无码AV在线播放 | 国产成人在线精品 | 亚州a级片 | 97色成人综合网站 | 日本拍拍视频 | www.久久爱.com狼人 | 欧美一级黄色免费 | 国产精品一区二区国产主播 | 女人高潮抽搐喷水30分钟视频 | 最近中文字幕大全免费视频 | 亚洲一二三区免费 | 一同看gv1069网 | 人人添人人 | 久久久亚洲欧洲日产国码二区 | 国产精品制服在线观看 | 大地资源在线视频观看免费高清 | 一级淫片120分钟试看一 | 国产日日操 | 2020天天干 | 日本中文字幕网址 | 激情小视频在线 | 亚洲AV中文无码乱人伦在线观看 | av青青草 | 91freehdxxxx欧美 | 国产在线视频不卡一区二区三区 |