Posted on Fri, 18 May 2018 10:18:09 +0000
The fluid should be filled in the casing before the pump work. The impeller will be rotated by the bearing with high speed. The fluid in the casing will be rotated at the same time.The fluid will absorb the energy when it be throw from the center of the impeller to the outside within the centrifu...
Read MorePosted on Fri, 18 May 2018 10:07:37 +0000
Ⅰ. Water ring vacuum pump installation During the installation for the vacuum pump or vacuum compressor,the ground must be flat and the equipment need to fix by the bolts in the base of hole. In order to prevent the welding slag into the water ring vacuum pump during installation, please install ...
Read MorePosted on Fri, 18 May 2018 10:03:16 +0000
Vacuum pumps are used in various methods to produce a closed space , which means to improve and maintain the vacuum . Vacuum pumps can be defined as the device or equipment , By use of mechanical, physical , chemical or physical chemistry methods have been drawn container extraction to obtain a v...
Read MorePosted on Fri, 18 May 2018 09:48:41 +0000
1, Vacuum pump work pressure should satisfy the requirement of the vacuum equipment ultimate vacuum and work pressure.Such as: vacuum coating require for 1 x 10-5 MMHG vacuum degree and choose the vacuum degree of vacuum pump must be at least 5 x 10-6 MMHG.Usually choose the vacuum degree of the ...
Read MorePosted on Fri, 18 May 2018 09:38:18 +0000
1. Check the oil level, when the vacuum pump stop , It is advisable to note oil to oil the center.Too low, the exhaust valve cannot seal effect, influence the degree of vacuum.Too high, may cause the atmosphere when starting injection.Operation, the oil level was increased, belongs to the normal ...
Read MorePosted on Fri, 18 May 2018 09:27:47 +0000
1, The ultimate pressure of the vacuum pump should meet the process of work pressure.Choose the ultimate pressure of the vacuum pump is lower than the process requirements about an order of magnitude. 2, Each vacuum pump has a certain work pressure scope , therefore, the working point of the vacu...
Read MorePosted on Fri, 18 May 2018 09:25:33 +0000
(1) the window of the filling must be clean, it is strictly prohibited in the sunlight and in the open air, and to be stored in a dark, dry and ventilated places, being mixed with water and dust. (2) prevent sundries mixed with oil, the wear of the pump. (3) different grades and different types o...
Read MorePosted on Fri, 18 May 2018 09:15:35 +0000
When stop rotary vane vacuum pumps, oil hole and pump chamber are inter linked or surface of exhaust valve, shaft seal, pump cover, air inlet pipe, air valve, such as untight seal, as a result of the existence of liquid level difference and gravity are in a vacuum tank and pump cavity and differe...
Read MorePosted on Fri, 18 May 2018 08:41:34 +0000
Firstly, The power supply should be inspected: the connection whether firm; the switch contact whether dense; the fuse whether blown; the three-phase power supply whether equal or not. If there is a broken circuit, poor contact, blown fuse, or lack of phase, the cause should be ascertained and re...
Read MorePosted on Fri, 18 May 2018 08:26:41 +0000
I.Analysis on Corrosive rotor surface Vacuum pump feed medium containing sulfur dioxide, water, sulfur dioxide combined with water to generate sulfurous acid, sulfurous acid on the metal corrosive effect, in order to prevent rotor, pump chamber corrosion, the surface of the rotor and pump Teflon ...
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