Company News_News Center_Shandong Dehui Coal Preparation Equipment Co., Ltd.

04-16 

Good news Dehui Coal Preparation Equipment Co., Ltd. successfully passed the 2019 National High-tech Enterprise Certification

Good news Dehui Coal Preparation Equipment Co., Ltd. successfully passed the 2019 National High-tech Enterprise Certification.

02-12 

Dehui coal preparation equipment donated 10,000 yuan + 160 kg of 75% alcohol to fight the pneumonia epidemic

The current situation of pneumonia caused by the new coronavirus is grim. In the face of the epidemic, Tengzhou Dehui Coal Preparation Equipment Co., Ltd. also wanted to do its part.

02-12 

Dehui coal preparation equipment donated 10,000 yuan + 160 kg of 75% alcohol to fight the pneumonia epidemic

The current situation of pneumonia caused by the new coronavirus is grim. In the face of the epidemic, Tengzhou Dehui Coal Preparation Equipment Co., Ltd. also wanted to do its part.

04-28 

Explain that the use of sand and gravel aggregates needs to be proportioned

Coarse aggregate sand and gravel should mainly control its particle size, gradation, grain shape, stone powder content, mud content, and mud content. Each vehicle undergoes a macro inspection

04-25 

Explain in detail the working principle of coal washing equipment

Coal washing equipment is a necessary equipment in the coal washing industry, and it plays an irreplaceable role in coal sorting. Coal processing, gangue treatment, material and equipment transportation, etc. constitute the mine surface system.

04-22 

Explain in detail the influence of sand and gravel aggregates on the proportion of concrete

In the construction of construction projects, the quality problems of concrete are mainly caused by the quality deviation of the materials, such as the strength

04-19 

Explain the general working process of coal washing equipment in detail

Coal washing equipment is a necessary equipment in the coal washing industry, and it plays an irreplaceable role in coal sorting. Coal processing, gangue treatment, material and equipment transportation, etc.

04-18 

Detailed introduction of sand and gravel aggregate

Sand and gravel aggregate refers to granular materials such as sand and stone that are mixed with cement and water when making mortar or concrete.

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