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- 19/11/1922
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- Type and model of rock drill _ impactOriginal title: Types and models of rock drills In infrastructure construction, mine excavation and other construction sites, there is a basic process-drilling. Before the Industrial Revolution, people used to cut a hole in the rock by hand with a chisel. Now, with the development of science and technology, we have rock drills, which greatly improve the efficiency of work. Rock drill is...0 Commenti 0 condivisioniEffettua l'accesso per mettere mi piace, condividere e commentare!
- What are the drill bits of pile drivers and rotary drilling rigs? What type of drill bit is suitable for your site? _ BedrockOriginal title: What are the drill bits of pile drivers and rotary drilling rigs? What type of drill bit is suitable for your site? I often hear customers ask the service manager of Zhongyi Huilong pile driver and rotary drilling rig, what should I do if my site encounters quicksand? What should I do if I encounter a rock layer while drilling? At that time, these questions are very simple, as...0 Commenti 0 condivisioni
- The truth, various grades of cemented carbide composition analysis _ coatingOriginal Title: The Truth, Composition Analysis of Various Brands of Cemented Carbide Cemented carbide is used in industrial cutting, mining drill and other fields. Because of its hard characteristics and the requirements of application scenarios, its composition analysis has become a popular testing project. Usually, cemented carbide has a special coating process to make the surface of the...0 Commenti 0 condivisioni
- New Progress in Key Technology of Underground Metal Mining _ Rock Drilling _ Blasting _ TransportationOriginal Title: New Progress in Key Technologies for Underground Metal Mining Underground metal mine mining is a systematic project, including development, development and mining (as shown in Figure 1, underground mine mining model), each link requires blasting. Therefore, how to blast safely and efficiently is a subject for every miner to study. Fig. 2 Underground mining mode At present, metal...0 Commenti 0 condivisioni
- Structure and working principle of reactor (reaction kettle) _ operationOriginal title: Structure and working principle of reactor (reaction kettle) Source: Coal Chemical Knowledge Base The reactor is a device for realizing a reaction process, and is used for realizing a liquid-phase single-phase reaction process and a liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multiphase reaction processes. Stirring devices (mechanical stirring, airflow...0 Commenti 0 condivisioni
- Process flow of low-temperature multiple-effect distillation (MED) technologyOriginal Title: Process Flow of Low Temperature Multi-Effect Distillation (MED) Multiple Effect Distillation (MED) is an evaporation technology developed on the basis of single-effect distillation, which is divided into low-temperature and high-temperature multi-effect distillation. Low-temperature multi-effect distillation refers to a seawater desalination project in which the maximum...0 Commenti 0 condivisioni
- Application of Rectification Technology in Chemical Plant Introduction _ ProcessOriginal Title: Introduction to Application of Distillation Technology in Chemical Plant Introduction: In the production of pharmacy and fine chemical industry, there are often many liquid phase or vapor phase mixtures that need to be separated or purified. Distillation technology has become the most widely used and largest mass transfer separation process. Today, I will tell you about the...0 Commenti 0 condivisioni
- Glass Liquid Film Evaporator Stainless Steel Thin Film Evaporator Changzhou Scraper Thin Film Evaporation SystemOriginal Title: Glass Liquid Film Evaporator Stainless Steel Thin Film Evaporator Changzhou Scraper Thin Film Evaporation Product introduction: Thin-film evaporation is a liquid-liquid separation method. Thin-film evaporator is mainly composed of heating jacket, internal rotatable scraper, condenser and vacuum system. Under high vacuum, the feed liquid enters from the upper part of the...0 Commenti 0 condivisioni
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