Posted on Wed, 26 Sep 2018 02:19:49 +0000
Roots vacuum pump is equipped with two blade rotors which rotate in opposite directions synchronously. There are small clearances between the rotors and between the rotors and the inner wall of the pump shell, but they do not contact each other. Roots vacuum pump is characterized by fast start-up...
Read MorePosted on Tue, 25 Sep 2018 03:32:36 +0000
A complete vacuum system consists of a wide range of vacuum application equipment, vacuum system column mainly describes the design of the main parameters in the vacuum system, the calculation of the pumping time, the influence of the exhaust on the vacuum system, the selection of vacuum pumping ...
Read MorePosted on Tue, 25 Sep 2018 03:18:48 +0000
Vacuum pump is a device that produces, improves and maintains vacuum in a closed space by various means. Vacuum pump can be defined as: mechanical, physical, chemical or physicochemical methods to be pumped by the container to obtain a vacuum device or equipment. With the development of vacuum ap...
Read MorePosted on Fri, 21 Sep 2018 02:48:32 +0000
Rotary vane vacuum pump is an oil sealed mechanical vacuum pump. It belongs to the low vacuum pump. It can be used alone or as a front pump for other high vacuum pumps or ultra high vacuum pumps. It has been widely used in metallurgy, machinery, military industry, electronics, chemical industry, ...
Read MorePosted on Fri, 21 Sep 2018 02:23:36 +0000
Water ring pump unit can be widely used in vacuum distillation, vacuum evaporation, dehydration and crystallization in chemical industry; freeze-drying in food industry; vacuum drying in pharmaceutical industry; polyester chips in light textile industry; vacuum system in high altitude simulation ...
Read MorePosted on Thu, 20 Sep 2018 03:00:05 +0000
The liquid ring vacuum pump is mainly composed of pump body, impeller, end face disc and pump body end cover, as shown in the following figure. liquid ring vacuum pump of basic structure diagram Pump body: The machining precision of the inner cavity is not high, but the casting blank is required...
Read MorePosted on Thu, 20 Sep 2018 02:36:03 +0000
Turbomolecular pump is a kind of vacuum pump which uses high-speed rotating impeller to transfer momentum to gas molecule and make gas produce directional flow and exhaust. Turbomolecular pump is mainly composed of pump body, rotor with blades (i. E. moving impeller), static impeller and drive sy...
Read MorePosted on Wed, 19 Sep 2018 02:57:19 +0000
RH process is an important out-of-furnace refining method, which has the functions of degassing, decarbonization, temperature compensation, uniform molten steel temperature composition, removing inclusions in steel and so on. Because of its good refining effect and short processing period, it has...
Read MorePosted on Wed, 19 Sep 2018 02:32:02 +0000
EVP vacuum pump is a two-stage structure. Its working performance consists of two parts: high-pressure stage and low-pressure stage. Its suction port is connected with vacuum container or vacuum equipment. During operation, the gas in the container will be sucked and discharged. When the equipmen...
Read MorePosted on Tue, 18 Sep 2018 02:13:37 +0000
The suction system of medical center is made up of vacuum pump unit of central suction station as negative pressure source. The suction system can make the suction system pipeline reach the required negative pressure value through vacuum pump suction. It generates suction at the terminal of opera...
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