Posted on Thu, 22 Nov 2018 03:00:51 +0000
Rotary vane vacuum pump is a device that uses physical or chemical methods to extract the gas from the container, so as to obtain a lower than atmospheric pressure. Rotary vane vacuum pump’s function is to obtain and maintain the vacuum. Rotary vane vacuum pump is widely used in many indust...
Read MorePosted on Thu, 22 Nov 2018 02:54:08 +0000
The working pressure of the vacuum pump should meet the limit vacuum and working pressure requirements of the vacuum equipment. For example, vacuum coating requires a vacuum degree of 1 *10-5 mm Hg, and the vacuum degree of the selected vacuum pump should be at least 5 *10-6 mm Hg. Usually, the v...
Read MorePosted on Thu, 22 Nov 2018 02:49:15 +0000
The metal oil diffusion pump is a vacuum pump with low pressure, high speed and directional flow of oil vapor jet. This paper tries to further prove that the metal oil diffusion pump is the main pump equipment to obtain high vacuum from the characteristics of the metal oil diffusion pump, the wor...
Read MorePosted on Thu, 22 Nov 2018 02:45:32 +0000
Speaking of the application of vacuum pumps, there are too many, because there are many types of vacuum pumps, widely used in plastic machinery, brick and tile machinery, cryogenic equipment, paper machinery, food machinery, industrial electric furnaces, electronic industry, vacuum equipment, pet...
Read MorePosted on Wed, 21 Nov 2018 03:56:30 +0000
Rotary vane vacuum pump is a common thermoforming method in the production of plastic packaging containers. It is widely used in the processing of packaging materials. Vacuum suction moulding is generally used to make open shell products of thermoplastic sheets. The principle is simply to heat th...
Read MorePosted on Wed, 21 Nov 2018 03:53:40 +0000
With the rapid development of China’s economy, the demand for vacuum pumps in industry and other fields is also growing. Faced with the fierce competition in the vacuum pump market, how should users choose the products they need? What is the difference between large vacuum pumps and small v...
Read MorePosted on Tue, 20 Nov 2018 04:01:33 +0000
The most common vacuum equipment in the vacuum system of paper making is rotary vane vacuum pump. By introducing its development history, working principle, structural characteristics and the application characteristics of rotary vane vacuum pump in paper industry, this paper summarizes its advan...
Read MorePosted on Tue, 20 Nov 2018 03:53:04 +0000
Piston vacuum pump has high vacuum, ultra-low silence, compact size and no oil and gas.piston vacuum pump is widely used in automation equipment, laboratory, air detection equipment, photoelectric semiconductor, medical and pharmaceutical industries. The piston vacuum pump of Shanghai EVP vacuum ...
Read MorePosted on Tue, 20 Nov 2018 03:49:25 +0000
Roots vacuum pump is widely used in the key parts of paper consumption process, such as the network of paper machine, vacuum volt roll, vacuum pressing, wool dehydration and so on. The output of roots vacuum pump has a direct impact on the yield and quality of paper. When the flow rate falls and ...
Read MorePosted on Tue, 20 Nov 2018 03:41:28 +0000
The vacuum dryer system consists of refrigeration system, vacuum system, heating system and electrical instrument control system. The main components are drying boxes, condensers, refrigerating units, vacuum pumps, heating / cooling devices, etc. The process of vacuum drying is to place the dryin...
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