The entrance angle of nozzle affects inner flow path abrasion directly. When the convergent angle of entrance is narrowing, the rate of wear will increase linearly. In addition, the bumps on the inner wall surface of the nozzle will also have a greater impact resistance against the sand-blasting, which expands the cracks on the surface and accelerates the abrasion of nozzle. Therefore, enhancing the fineness of inner wall can decrease the abrasion to some degree. Nowadays, many new materials appeared in succession, such as complex carbide, whose density and hardness is as good as tungsten carbide, but its lifespan is several ten times longer than tungsten carbide.















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The diameter of nozzle entrance is determined by the flow and pressure. If we narrowing the exit diameter, the pressure and the flow velocity will become greater when the flux is constant so that the sand impact kinetic energy is enhanced and the abrasion of nozzle entrance is severer. Compared with nozzles with different convergent angle, as conical nozzle, the smaller convergent angle, the flow is more stable and the less loss of energy. In addition, lengthen the nozzle appropriately is beneficial for decreasing abrasion, which lengthen the path of the abrasive curve arriving.
















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Tungsten Ore Processing Equipment And Processes

Extensive use of tungsten, pure tungsten is mainly used in electrical and electronic equipment, and its many compounds and alloys are also used in many other applications, involving mining, metallurgy, machinery, construction, transportation, electronics, chemicals, light industry, textile, military , aerospace, technology, various industries. Tungsten can be manufactured firearms, rocket nozzles, cutting metal blades, drill bits, superhard mold, drawing dies and so on, is the home of our most common and some light bulbs, is to use a tungsten filament.

tungsten is very Sand Making Machine strong, especially in very high melting point, is that all non-alloy metals in the highest. Erosion from air at room temperature; the main purpose for the manufacture of filaments and high-speed cutting steel, hard mold, also used in optical equipment, chemical equipment.

tungsten ore dressing production line equipment from the jaw crusher, ball mill, classifier, magnetic separator, flotation machine, concentrator Crusher Machine and dryer and other major equipment components, with the feeder, elevator, conveyor can form a complete dressing production line. The tungsten ore dressing production line with high efficiency, low energy, high capacity, economical advantages. 

Tungsten, a metallic element, a refractory metal tungsten is rare. Steel is part of non-ferrous metal tungsten, is also an important strategic metal, tungsten ore in ancient times was called tungsten. W is a chemical element, is very hard, steel-gray to white transition metal. China is the Raymond Mill world’s largest country store tungsten, tungsten content in the crust is 0.001%. Tungsten Deposits are generally accompanied by granitic magma activity and the formation. Minerals containing tungsten are wolframite and scheelite and so on.

 

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PFW Impact Crusher

Base on the plentiful experience of producing and marketing of impact crusher, GME R&D institution designed the PFW series impact crusher. It is the newest style impact crusher and has been widely used in many industries, like chemical, metallurgy, road and bridge construction and sand making and so on.







 

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Hydraulic-driven Track Mobile Plant

Mobile crushers are loaded on their own crawler tracks or towed by truck horse when transported over longer distances to a new location. With tremendous flexibility and compact design, customers can take this machine directly to rock crushing plants or demolition sites for powerful, handy recycling of reusable construction materials, concrete debris, sand and gravel with economic efficiency.







 

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VSI5X Crusher

VSI5X crusher (the latest vertical shaft impact crusher improved from VSI crusher) is necessary crushing equipment used in manufactured sand production line, sand & gravel production plant etc. It is widely used for manufactured sand or artificial sand production. Also, it is the mainstream truing machine for mining and construction industries.







 

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HPC Cone Crusher

Base on the latest technology and decades of years’ producing experience, GME designed the HPC series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application in secondary crushing of many kinds of mining and rock, etc.







 

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PEW Jaw Crusher

PEW series Jaw crusher features big crushing ratio, reliable operation, easy maintenance and low operating cost. It is the new generation product designed and produced by GME, basing on our 30 year’s crusher production experience and the latest design conception. It does be one high efficiency and low cost crushing machine.

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Mickey Mouse tungsten dart rule strategy:

There really is no strategy to this game, simply throwing accurate tungsten darts.

The only real decision that can be made in a game is whether to score the doubles and triples as doubles and triples or score them as three of the number you hit. I tend to believe that if I only needed one tungsten dart to close the number I score it as a triple. If I needed two or more, I score it for what it's worth. You can also expect that you will be hitting triples right next to the number you were aiming at so you might just want to try scoring all your triples as "splashes".

Some of the better tungsten dart players in Korea (there were very few) prefer to play in strict order as the numbers are listed on the scoreboard. This means that splashes don't count and if you hit a triple 20 while aiming at 20's you must score it as 20's. This makes for some very long games when you get to the triples and doubles sections.

One night a couple of Australians and I decided to try the Korean Mickey Mouse game and play it with points like standard Cricket. This made for a very interesting game when you could score points based on doubles and triples being closed!

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Mickey Mouse tungsten dart rule is a very simplified game of Cricket with a couple of twists.

The Object: The object of the game is to "close" all your numbers (20 down through 12, any three doubles, any three triples and bulls-eye). To close a number, you must hit three of that number.

The Scoring: The scoreboard is drawn with the numbers 20 through 12, doubles, triples and bulls-eye written in descending order down the center of the board. Bulls-eye is usually abbreviated with a B (or C for cork, another term for the bulls-eye). Doubles with a D and triples with a T (in Korea, they call the triples "trebles"). Each tungsten dart that lands in any of the games numbers count toward closing that number. The thin outer ring counts as two of that number or counts as one double. The thin inner ring counts as three of that number or counts as triple. Scoring for one tungsten dart is shown by placing a slash next to the number scored. Scoring for two is shown by placing an X next to the number scored. Scoring for three is shown by placing a circle next to the number to indicate it is closed. When three of a number is scored in any combination, it is closed.

The Play: The players each take a turn throwing one tungsten dart at bulls-eye, closet tungsten dart to the bulls-eye gets to throw first. The first player throws three tungsten darts at any of the scoring numbers to try to close that number. The players then score the tungsten darts that he has thrown and play alternates until one person closes all their numbers.

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