Posted on Fri, 03 Jan 2020 05:31:10 +0000
Acetic acid is used in the production of acetic anhydride. In the presence of high temperature, negative pressure and catalyst triethyl phosphate, the acetic acid vapor is cracked in the cracking pipe to produce vinyl ketone and water. After condensation and cooling separation, vinyl ketone is ab...
Read MorePosted on Fri, 03 Jan 2020 05:29:21 +0000
The best water ring vacuum pump is the most commonly used form of vacuum pump in the paper industry. Most of the paper machine projects completed at present are still using water ring vacuum pump as the standard configuration of vacuum system. water ring vacuum pump advantages: 1. The structure i...
Read MorePosted on Fri, 03 Jan 2020 05:23:26 +0000
In recent years, the industry has carried out a long-term exploration and research to solve the problem of anti-corrosion of vacuum pump products, in which water ring pump is favored by the market due to its advantages of energy saving and wide range of anti-corrosion. It is reported that due to ...
Read MorePosted on Thu, 02 Jan 2020 07:39:09 +0000
Liquid ring vacuum pump maintenance: 1. Check the operation and lubrication of the bearing frequently. 2. The normal working bearing is 15 ℃ – 20 ℃ higher than the surrounding temperature, and the maximum temperature is not allowed to exceed 55 ℃ – 60 ℃: the normal working bearing sha...
Read MorePosted on Thu, 02 Jan 2020 07:11:34 +0000
1、 Scope of application This procedure is only applicable to the switching operation of 117p03 / B and 114p03a / B liquid ring vacuum pumps. 2、 Operating procedures (take 117p03a to B as an example) 1). Check stand by 117p03b status, confirm that the manual barring is normal; if the standby mac...
Read MorePosted on Thu, 02 Jan 2020 07:00:34 +0000
1. Appropriate viscosity and good viscosity temperature characteristics: the volume of the liquid ring vacuum pump cavity changes continuously to form the exhaust effect, which requires that the lubricating oil should have appropriate viscosity and viscosity temperature characteristics. 2. Very l...
Read MorePosted on Thu, 02 Jan 2020 06:27:49 +0000
The water ring vacuum pump should master the correct operation skills before normal use. The initial state is confirmed that the vacuum pump is in the state without process medium, the coupling is installed, the protective cover is installed, the machine, electricity and instrument of the vacuum ...
Read MorePosted on Thu, 02 Jan 2020 06:16:32 +0000
EVP vacuum pump is a research and development, production, sales, service in one of the large diversified enterprises. EVP vacuum pump manufacturing Co., Ltd. has always adhered to the “quality for survival, quality for development“ purpose, to provide customers with quality services! At the same...
Read MorePosted on Thu, 02 Jan 2020 06:10:37 +0000
In the process of using water ring vacuum pump, abnormal bearing noise sometimes occurs. If not handled in time, the motor of water ring vacuum pump will be damaged. So what are the main reasons for the bearing abnormal noise of water ring vacuum pump? The reasons for the abnormal noise of water ...
Read MorePosted on Thu, 02 Jan 2020 05:38:53 +0000
The best type of water ring vacuum pump should be selected according to the air volume required by the system. Besides the important relationship between the working parameters of the water ring vacuum pump and its design and production process, the use environment and requirements of the water r...
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