Posted on Tue, 22 May 2018 09:25:17 +0000
The working principle of liquid ring vacuum pump and water ring compressor exactly the same , basic types and structure is roughly the same, the difference in any of the following five aspects: 1, Different impeller rotational speed range Impeller rotational speed is mainly composed of the suctio...
Read MorePosted on Tue, 22 May 2018 09:24:21 +0000
Rotary vane vacuum pump is a kind of rough vacuum pump, it can get the ultimate vacuum for 2000 ~ 4000 pa, equiped with air ejector can reach 270 ~ 270.Rotary vane vacuum pump can be used as a compressor, also called the rotary vane compressor, belongs to low pressure compressor, the pressure ran...
Read MorePosted on Tue, 22 May 2018 09:23:42 +0000
Start the vacuum pump: Long-term parking pump before starting , need turn a few weeks with the hand, to confirm the vacuum pump without card letter or other damage phenomenon.Start in the following order (see illustration) equipment. 1) closed inlet pipe gate valve road ; 2) start the motor ( fro...
Read MorePosted on Tue, 22 May 2018 09:23:12 +0000
Liquid ring vacuum system is chosen as the backing pump , water ring vacuum pump have more advantages than other vacuum pumps , water ring vacuum pump in the vacuum unit is required to prepare the action of vacuum, single stage water ring pump ultimate vacuum is not high, adopt two stage water ri...
Read MorePosted on Tue, 22 May 2018 09:22:35 +0000
Rotary vane vacuum pump is a kind of widely used equipment, So how to prevent and control pollution for this kind of vacuum equipment ? whether this kind of vacuum equipment have high power or not ? below will explain you how rotary-vane vacuum pump are useful against pollution ? For rotary vane ...
Read MorePosted on Tue, 22 May 2018 09:21:15 +0000
The composition of the vacuum system By vacuum pump, vacuum pump can be divided into, water ring vacuum pumps, rotary vane vacuum pump, rotary piston vacuum pump, oil diffusion pump, roots vacuum pump, etc., PLC program control system, storage tanks, vacuum pipelines, vacuum valves, the filter as...
Read MorePosted on Tue, 22 May 2018 09:17:14 +0000
The effect of vacuum pump is pumping gas molecules from the vacuum chamber, reduce the gas pressure of vacuum chamber, make it meet the requirements of vacuum degree.Generally speaking from the atmosphere to the extremely high vacuum has a large range, so far has not been a vacuum system can cove...
Read MorePosted on Tue, 22 May 2018 09:16:31 +0000
When the Rotary vane vacuum pump in the process of operation, vacuum pump with improper operation, it will tend to be a failure, such as rotary vane vacuum pump vacuum degree decline, fuel injection, smoke, oil seal leaks, noise, etc., and pump in the vacuum pump oil emulsion.if this kind of situ...
Read MorePosted on Tue, 22 May 2018 09:15:25 +0000
Vacuum packaging machine can automatic suction the air inside the bag, finishing vacuum sealing process after reaching the preset vacuum , also can blended into nitrogen or other gases, and then complete the sealing process.Vacuum packing machine is often used in food industry, because after vacu...
Read MorePosted on Tue, 22 May 2018 09:14:52 +0000
1, the limit of the vacuum pump pressure The ultimate pressure of the vacuum pump unit is PA, refers to the pump at the entrance is equipped with standard test cover and work conditions by the regulation, without introducing gas under the condition of normal work, the minimum pressure tends to st...
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