矿物冶金-4

Mud pump and slurry pump are both a kind of impurity pump. What are the differences between these two pumps that make it difficult for users to choose?   1. The difference in working principles The working principle of the mud pump is that the motor drives the piston through the link mechanism, which causes the change of the enclosed volume in the mud pump, and forms the change of the pressure difference between the inside and outside of the pump, thereby completing the water absorption and drainage process; while the working principle of the wear-resisting slurry pump is that the motor drives the impeller to rotate, that is, the impeller works on the slurry to increase the kinetic energy of the slurry.   2. The difference in the pumped medium Mud pump, as the earliest pump type, is generally made of cast iron. Its wear resistance is low. As an important part of drilling machinery, it can only be used to transport mud or slurry that contains suspended particles....

Grey cast iron  is a type of iron that is characterized by its grey color and graphite flakes, which are dispersed throughout the material. It is a relatively inexpensive and readily available material that is widely used in the casting industry for a variety of applications. Grey cast iron is produced by melting pig iron, which is a raw form of iron, along with scrap steel and other alloying elements in a furnace. The molten metal is then poured into a mold, where it solidifies and takes the shape of the mold. This process is known as  casting grey iron ​ is called grey because of the color of the surface of the casting after it has cooled.     There Are Several Factors That Can Affect the Quality of a  Grey Cast Iron Casting . These Include: Raw Materials The quality of the raw materials used in the casting process is critical to the quality of the finished casting. It is important to use high-quality pig iron and other alloying elements to ensure that th...

  What is Roof Safety Mesh?   Stainless steel roof safety mesh is designed to prevent internal falls through a roof. It provides fall protection for roof installers and offers long-term protection against falling for maintenance and repair workers. Roof safety mesh is installed between the roof skin and the purlins. Access to the inspect the Roof Safety Mesh therefore is quite difficult as it involves working at height and having to move around those objects that are stored in the building. This makes inspecting Roof Safety Mesh almost impossible which is why you need a product that lasts longer than the roof itself.   Why is Stainless Steel Roof Safety Mesh Superior to Galvanized? Roof Safety Mesh is an important product to prevent workplace injuries in Australia. In the Compliance Code: Prevention of Falls in General Construction, Roof Safety Mesh is a part of 'level 2' controls, as a Passive Fall Prevention Device. Commercial roofs are required to be built to Indu...

    The raw materials of UHP and HP graphite electrodes are different, resulting in different physical and chemical indicators of the graphite electrodes produced. They are suitable for steelmaking in ultra-high-power electric arc furnaces and high-power electric arc furnaces. Let's introduce what uhp electrodes represent. T he difference between UHP graphite electrode and HP graphite electrode . 1. What does the uhp electrode represent? UHP is the abbreviation of ultra high power in English, representing the category of ultra-high power graphite electrodes. According to the power, graphite electrodes are divided into: RP ordinary power graphite electrodes, HP high power graphite electrodes and  UHP ultra-high power graphite electrodes . The three graphite electrode models are suitable for electric arc furnaces of different power levels. RP is suitable for ordinary power electric arc furnaces with a melting capacity of 300Kv.A/t per ton, and HP is suitable for high-power ...

    PC Strand , or prestressed concrete steel hair, is a twisted steel cable composed of high-strength steel wires that are stress-relieved (stabilized) for usage in creating prestressed concrete. While there are various types of PC Strand including Bare Strand, Stainless-steel Strand, Epoxy Coated Hair, as well as carbon Fiber Hair.   The Interpretation of PC Wire   Prestress: Artificial compression anxiety to make up for tensile stress and anxiety to be put in from the exterior pressure.   Prestressed Concrete: Concrete Structure built with Pre-Stress.     PC Cable and PC Strand   Steel Wire or Strands used to Pre-stress concrete frameworks. Pre-stressed concrete is high-strength concrete that has interior steel cable reinforcement. Since pre-stressed concrete needs no coverings, it is a low-priced building product.   CP Wire  Types   The prestressed concrete steel wire can be divided According to cable size, s...

The wear resistance and ultra-smooth finish of  tungsten carbide ring gauges  are ideal for demanding manufacturing environments where the use of tool steel may result in premature ring gauge wear. The ring gauge contains a tungsten carbide bushing with a wall thickness of 3 mm to 10 mm, depending on the ring diameter, securely mounted in a knurled steel ring. Tungsten carbide ring gauges are used to check the outside diameter of cylindrical objects and to calibrate  other gauges  or standards, such as calipers, inside micrometers or bore gauges. Why Choose Tungsten Carbide Material? Tungsten carbide is a compound of tungsten and carbon, with the molecular formula WC and molecular weight 195.85. It is a black hexagonal crystal with metallic luster and hardness similar to diamond, and is a good conductor of electricity and heat. Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, but easily soluble in nitric acid-hydrofluoric acid mixture. Pur...

why pick a steel truss The 5 Reasons Why You Should Pick A Steel Truss Whether you ’ re building a skyscraper or just doing a DIY project in your backyard, choosing the right material is critical to getting the job done right. Here ’ s why you should choose a steel truss for your next project. 1. Nothing lasts like a steel truss Put simply, steel lasts a long time. A REALLY long time. In fact, every steel truss that we make is backed by a 50-year manufacturer guarantee. First, steel doesn ’ t weaken with time due to moisture like wood, improving its lifespan. Second, because wood is an organic material, there is always the threat of termite or other organic damage. Nothing eats steel. 2. Extremely strong without taking up much space Steel is far stronger than other  truss materials   like wood, which means less of it supports the same weight. This means that it doesn ’ t take up much space. Walls can the thinner, frames can be smaller, and overall usable square footage goes up...