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Category: 202111

The United States hurricane caused light vehicle sales decline in lightweight and difficult to get rid of?

Posted on November 15, 2021

Hurricane "Elma" landed on the Florida Keys of the United States on the morning of September 10, local time. As one of the most dangerous storms in the Atlantic Ocean, "Elma" storme…

Zhejiang University Hamha biological cleaning robot first successful

Posted on November 15, 2021

Zhejiang University, Ham (HOME) marine biological cleaning robot in the East China Sea Pinghu oil and gas field test success, which is the first time the use of special robots for drilling platform jacket sea creatures for cleaning operations.

Within the range o…

Liugong parts Beijing BICES2017 look ahead!

Posted on November 15, 2021

[Beijing BICES 2017 E Hall No. 3459] As a veteran supplier of construction machinery parts, Liugong Parts & Components Co., Ltd. has always devoted itself to…

One Aircraft Group Northern Venture Company independently researches and develops new models

Posted on November 14, 2021

In order to adapt to the domestic railway freight market, improve railway freight capacity, and meet the needs of rapid, stable, energy-saving and environmentally-friendly development of the national economy, the North Entrepreneurial Corporation of China Nort…

Belt machine maintenance standard

Posted on November 14, 2021

In order to ensure the normal operation of the belt conveyor, it is essential for its regular maintenance and maintenance. In order to prevent it, it is necessary to insist on daily inspection along the belt conveyor and find problems in time.

First, the class inspection

Bottomless sublevel caving mining method

Posted on November 14, 2021

Mining work. The mining work mainly consists of mining, mining and ventilation.
(1) Mining work
The mining work includes: rock drilling, charging, and breaking
1) Rock drilling work:

1 Mud hole arrangement - the sub-column sublevel caving method is to m…

How to form a rock cover by using a sublevel caving method without a bottom pillar

Posted on November 14, 2021

(1) The role of covering rock formations

When using the pillarless sublevel caving method to return to the ore body, a certain thickness of the overburden layer must be formed in the upper part of the pile. The effect of covering the rock layer is:

1 Use the overbu…

What are the purposes and methods of rock mine identification?

Posted on November 14, 2021

(1) Objective: To determine the state of existence of beneficial and harmful elements, to determine the spatial distribution of minerals in the ore, and the inlaid mosaic relationship; to find out the degree of dissociation of the useful minerals of the flattened species.
(2) Method:

Air strike rotary crusher

Posted on November 14, 2021

(1) Air strike spinner fine crusher. The air strike rotary crusher produced by Xuzhou Wanhe Machinery Manufacturing Co., Ltd. (hereinafter referred to as Wanhe Machinery) can replace the traditional medium and fine

Dongfeng Doolika sprinkler performance introduction

Posted on November 14, 2021

Dongfeng Doolika sprinkler Performance introduction

Dongfeng Dolika, as the main dedicated light truck of Dongfeng Group in recent years, has achieved remarkable sales and influence in the market. Hubei…

What are the characteristics of mine fires?

Posted on November 13, 2021

Â Â Â Fires that occur underground, as well as fires that occur near the wellhead but endanger the safety of the well, are called mine fires.
(1) Causes of mine fires The causes of fires in mines can be divided …

Listed in the second half of 2017 new car - Chinese brand sedan

Posted on November 13, 2021

Although the current SUV sales in China's auto market are booming, there are no signs of recession as the largest-selling car. After you have summarized the SUVs for the second half of 2017, we will bring you from the curr…

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