The XCMG hydraulic cylinder repair kit is mainly used in the hydraulic systems of engineering machinery such as XCMG excavators and loaders, for repairing the seals of hydraulic cylinders.
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The mechanical agitating flotation machine relies on a rotating impeller (also called a rotor) and a fixed rectifying device (also called a stator, a diffuser, a flow plate, etc.) that cooperates with the impeller to disperse the air into bubbles, and at the same time complete the slurry agitation and stabilization liquid. The role of the face. According to the gas supply mode, it can be divided into self-suction type and pressure type. The former draws in air from the atmosphere, so the impeller is in a negative pressure state, and it is possible to design a model that can inhale the slurry and foam products from the outside of the tank with the pneumatic impeller. The latter is supplied by a blower (air supply pressure of 15 to 40 kPa), and the impeller is positively pressurized, making it impossible to self-absorb.
The air press-in and air-exit flotation machines rely on a dedicated aerator to generate air bubbles, and the ore particles are suspended by the kinetic energy when the slurry enters the tank and the agitation generated when the bubbles rise. In an air press-in flotation machine, compressed air (whose pressure is determined by the inlet hydrostatic pressure) generates bubbles through a porous medium or a gas riser, that is, the slurry is not pressurized and the air is pressurized. In the air-precipitating flotation machine, the slurry is injected into the tank after being pressurized, and the air is sucked or pressed into the slurry mixture to be dispersed into bubbles, that is, the slurry is pressurized, air pressurized or not pressurized. In this flotation machine, the air originally dissolved in the slurry is selectively precipitated on the surface of the hydrophobic ore particles in a microbubble due to a sharp drop in pressure during the high-speed ejection of the slurry from the nozzle. This kind of microbubble is a good activator, which can greatly improve the adhesion speed and firmness of the ore particles and bubbles. According to the structure of the slurry mixing chamber, this type of flotation machine can be divided into two types: swirling type and jet type. The mixing chamber of the cyclone flotation machine is similar to the cyclone. The slurry enters the mixing chamber along the tangential line, and the air is pressed in from the center tube to disperse the air into bubbles under the rotating motion. The mixing chamber of the jet flotation machine is similar to the Venturi tube, in which the slurry is ejected through a nozzle where air drawn from the periphery is cut into air bubbles.
A vacuum flotation machine is a special case. It relies on a vacuum pump to pump air to precipitate dissolved air in the slurry to produce microbubbles. The machine is complex in structure and small in aeration, and has been eliminated in the mining industry.
There are dozens of flotation machines produced at home and abroad. According to the above principles, the mechanical structure is selected.
In metal mining is the most widely used mechanical flotation machine, this chapter will be highlighted.
Hydraulic cylinders are an important component of the hydraulic system of construction machinery, used to convert hydraulic energy into mechanical energy,
Convert the pressure of hydraulic oil into linear or rotational motion to drive various working components of construction machinery. The sealing components of hydraulic cylinders are key components to ensure their normal operation. If the sealing components are damaged or aged, it can lead to hydraulic oil leakage, hydraulic cylinder failure, and other problems, affecting the normal operation of construction machinery.
Therefore, the application of XCMG hydraulic cylinder repair kit can effectively solve the sealing problem of hydraulic cylinders,
Extend the service life of hydraulic cylinders and improve the efficiency of construction machinery.
Mineral separation during flotation is done at the gas-liquid interface. Therefore, in the technical performance of the flotation machine, the ability to disperse air into bubbles is dominant. According to the different inflation methods, the flotation machines can be divided into three categories: mechanical agitation, air press-in and air-out.