kefidsh@kefidgroup.com

Home>News>Product Knowledge

 

Product Knowledge

The equipment selection for granite crushing production

2019 05 30 Click:143

Granite is a high-hardness rock that is difficult to break and has a large wear on the crusher.We usually choose jaw crusher for primary crushing and the granite can be crushed to 10-30cm.There are di...

The advantages of vertical mill and ultra-fine vertical mill in non-metallic mineral milling

2019 05 16 Click:351

As a grinding equipment with high grinding efficiency and fine classification accuracy, vertical mill has become the main equipment in the fields of coal mine, cement, slag, non-metallic minerals, the...

The selling points of impact crusher

2019 04 04 Click:464

1. The impact crusher adopts the hydraulic open-top device (opening the hinged frame cover), which can quickly replace the wearing parts such as the hammer and reduce the downtime and maintenance time...

The crusher for processing limestone with capacity of 200 tons per hour and discharge size of 30mm

2019 03 14 Click:335

Kefid PF series impact crusher can process all kinds of coarse, medium and fine materials (granite, limestone, concrete, etc.) with side length not exceeding 500mm and compressive strength not exceedi...

The blockage reasons for sand making machine

2019 02 21 Click:300

The blockage is a common problem in the production of sand making machines. The reasons are as follows:1. The material has a large water content.If the material has large water content, it may stick to the sand making machine......

Kefid popularized science for you: the difference between natural sand and machine-made sand

2019 02 20 Click:364

Nowadays, machine-made sand is very hot. Many manufacturers even put forward the slogan of "machine-made sand replaces natural sand perfectly". So is that really the case?Kefid...