Posted on Wed, 01 Oct 2025 06:14:05 +0000
Liquid ring vacuum pumps play a vital role in the production of MDI (methylene diphenyl diisocyanate), but their application differs from the direct removal of by-products in the esterification reaction. In MDI production, the core role of liquid ring vacuum pumps is to provide a safe, stable, an...
Read MorePosted on Mon, 22 Sep 2025 01:55:16 +0000
Technical Principles Liquid ring vacuum pumps/compressors consist of an eccentrically mounted rotor inside a casing partially filled with a seal liquid (usually water or compatible fluid). As the rotor spins, its blades are immersed in the liquid, and the centrifugal force creates a stable liquid...
Read MorePosted on Tue, 02 Sep 2025 01:45:58 +0000
Liquid ring pumps play a key role in vacuum filtration and compression filtration. Their core advantages lie in their strong resistance to contamination and their ability to handle moisture and corrosive gases. They are particularly suitable for filtration processes where liquids or particles are...
Read MorePosted on Fri, 22 Aug 2025 08:35:02 +0000
With the continuous development of the ceramics, sculpture, and clay product industries, the requirements for production efficiency and product quality are increasing. Vacuum degassing, as a core process in clay preparation, places higher demands on the performance, stability, and adaptability of...
Read MorePosted on Tue, 19 Aug 2025 03:03:15 +0000
PVD (Physical Vapor Deposition) is a technology that, in a vacuum environment, vaporizes solid materials through physical methods (such as evaporation, sputtering, ion plating, etc.) and deposits them on the surface of a substrate to form a thin film. 1.Principles Material Vaporization: Solid ta...
Read MorePosted on Tue, 27 Aug 2024 01:16:24 +0000
In fact, there is no fixed standard value for the wall thickness of a vacuum chamber, but it is determined based on various factors. Pressure: The pressure that a vacuum chamber can withstand is one of the important factors determining its wall thickness. In high-pressure environments, it is nece...
Read MorePosted on Fri, 12 May 2023 02:12:31 +0000
Since high vacuum coating equipment works under vacuum conditions, the equipment must meet the requirements of vacuum for the environment. The industry standards for various types of vacuum coating equipment formulated (including general technical conditions for vacuum coating equipment, vacuum i...
Read MorePosted on Tue, 09 May 2023 06:22:45 +0000
1.Body Material and conditions of use: 1.High-strength carbon steel shell, surface spray treatment; 2.Applicable temperature: ≤100℃; 3.Overall leak rate: ≤1*10^-3 Pa.L/s; 2.Filter element(core) material and use conditions: Maintenance and replacement of filter element: replace the filter elemen...
Read MorePosted on Fri, 14 Apr 2023 05:38:25 +0000
Oil-type rotary vane vacuum pump is a very mature and reliable vacuum pump, usually also called oil pump, mechanical pump, rotary vane pump, etc. It is low-cost and can achieve a good vacuum degree. It is widely used in vacuum packaging machines, vacuum heat treatment, coating, Mass spectrometers...
Read MorePosted on Tue, 14 Mar 2023 01:42:22 +0000
Vacuum gauge of principle and measuring range Vacuum refers to the state of gas below one atmospheric pressure in a given space, which is a physical phenomenon. In vacuum technology, vacuum refers to the atmosphere. Generally, it means that part of the material in a specific space is discharged, ...
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