[Oil News] Oil-sealed vacuum pump is the use of oil seals the gap between the moving parts to reduce the harmful space of a rotating varactor vacuum pump. Because of this vacuum pump with gas ballast, it is also called gas-type vacuum pump, oil-sealed vacuum pump variety, widely used. Next, the oil-sealed vacuum pump will be divided into the following five types according to its structural features: 1. Rotary vane vacuum pump: The rotor is installed in the pump casing with a certain eccentricity and is close to the fixed surface of the inner surface of the pump casing, The slot is provided with two (or more than two) rotary vanes. When the rotary vane rotates, the rotary vane slides reciprocally along its radial slot and keeps contact with the inner wall of the casing. The rotary vane rotates with the rotor to divide the pump cavity into several A variable volume. Rotary vane vacuum pump is a low vacuum pump. 2, slide valve vacuum pump: outside the eccentric rotor is equipped with a slide valve, the rotor rotates the slide valve slide along the wall and the inner wall of the pump, the slide valve stem in the upper part of the slide valve slide in the slide, and the The pump chamber is divided into two variable volumes. Sliding valve vacuum pump suction principle and rotary vane pump similar, but the two different structures. Sliding valve vacuum pump is the use of slide valve body to change the suction chamber volume, it is called the spool pump. 3, fixed-piece vacuum pump: pump housing equipped with an eccentric rotor near the inner surface of the pump, the pump housing is equipped with a radial vane always contact with the rotor surface, when the rotor rotates, the vane can slide up and down Divide the pump chamber into two variable volumes. Fixed-chip vacuum pumping speed smaller, a single, two-stage, two-stage pump ultimate vacuum up to 10-1Pa. Pump structure is simple, long service life and easy maintenance, but because of its performance than rotary vane pump, so few have been production and application. 4, trochoidal vacuum pump: In the pump chamber eccentric equipped with a trocar-shaped rotor, which along the pump cavity wall rotation and the pump chamber is divided into two variable volume. Pump dynamic balance is good, so the pump running more stable, vibration is also small, speed can be increased, you can do small size, pumping speed, suitable for the development of large pumping speed mechanical vacuum pump. 5, multi-chamber rotary vane vacuum pump: In a pump casing mounted in parallel by the same motor-driven multiple independent studio rotary vane vacuum pump. Because of the variety of oil-sealed vacuum pumps, each has its own unique features. Due to so many types of pumps, its role in the industry has become even more important. To speed up the research and innovation of oil seal vacuum pump is imminent. Related Articles: Oil-sealed vacuum pump advantages and disadvantages of oil-sealed vacuum pump parameters
Kitchen sink
The main purpose of the kitchen sink is to wash food, wash dishes, etc. According to the style, it can be divided into Apron Sink, workstation, Topmount Sink, Undermount Sink and so on. The sink is mainly made of 304 stainless steel, which is resistant to corrosion, oxidation, good toughness and durability.
Over 10 years global trade of stainless steel handmade kitchen sinks experience.
High quality 304 or 201 stainless steel material, apply advanced nano technology.
Customized different sizes and colours to satisfy different demands.
Kitchen Sink,Farmhouse Sink,Copper Sink,Stainless Steel Sink
Jiangmen MEIAO Kitchen And Bathroom Co., Ltd. , https://www.meiaosink.com