2019-03-01から1ヶ月間の記事一覧

Water ring vacuum pump excitation control details

I think many friends are very interested in the excitation control of water ring vacuum pump, this is really a key and difficult work, next I will introduce some relevant content, you can read it carefully. 1. Open-loop simulation test for…

Water ring vacuum pump common knowledge

1, water ring vacuum pump is a crude vacuum pump, by the pump body, impeller, suction and exhaust disc, water in the pump body wall water ring, exhaust port, suction port, auxiliary exhaust valve, etc. About the two-stage pump is 0.133 ~ 0…

Application of vacuum pump in water - based coating adhesive

In this paper, a new kind of water-based film adhesive, applied in the vacuum aluminum plating pet composite glass paper production process, the printing plant shows that the adhesive has a fast drying speed, extrusion compound process is …

Performance analysis of rotary vane vacuum pump

As anyone who knows about the central vacuum pump will know, the reason why the rotary vane vacuum pump has a high vacuum degree is that the clearance between the rotary vane and the rotor is very accurate. If the rotary vane is worn, it w…

Energy saving principle of water ring vacuum pump

As can be seen from the formula S=Q/P1 of the vacuum pump pumping rate, when the vacuum system leakage rate Q is constant, the effective pumping rate S of the mechanical pump is inversely proportional to the vacuum degree P1 of the pre-wat…

The rotary vane vacuum pump operates in high temperature to deal with faults

Rotary vane vacuum pump is a device that can generate, maintain and improve vacuum in a certain space through various ways. It is mainly used in chemical, food, electronic and other industries and plays a crucial role in promoting the prog…

Notes for using water ring vacuum pump

Notes: 1. The water ring vacuum pump outlet is generally not connected with the valve. If there is, it must be fully opened before starting 2, without water can not start operation, but the amount of water can not be too much. Water ring v…

Water ring vacuum pump working principle

EVP vacuum pump manufacturers to introduce a water ring vacuum pump working principle is what? Water ring vacuum pump (referred to as water ring pump) is a crude vacuum pump, which can obtain the limit vacuum of 2000~4000Pa, series atmosph…

What are the factors that affect the work of the vacuum pump?

A, the nozzle The nozzle is an important part that affects the performance of the vacuum pump. There are some problems: the nozzle is installed wrongly, installed crooked, blocked, damaged, corroded and leaked. On the one hand, when instal…

Single stage rotary vane vacuum pump maintenance points?

Single-stage rotary vane vacuum pump is also called XD rotary vane vacuum pump. Today xiaobian will give you a detailed introduction to the use and maintenance of single-stage rotary vane vacuum pump, small partners can remember it! XD rot…

How to reduce the vacuum pump energy consumption?

How to reduce the vacuum pump energy consumption? When we choose a vacuum pump, we should not only consider its quality and efficiency, but also consider whether the energy consumption is high or not. Generally, we will choose the one that…