The current research status of vacuum casting technology

Posted on Fri, 18 May 2018 06:16:40 +0000

Vacuum seal modelling technology formed from the 1970 years, by the year 1980 was born vacuum casting technology, the technology can be used in the production of shape is very complicated, thickness of very thin castings, castings without porosity and shrinkage phenomenon, which is more advanced ...

+ Continue reading

The prospect of vacuum pump in the food drying industry

Posted on Fri, 18 May 2018 06:16:04 +0000

The so-called vacuum pump, it is a device to use a variety of methods in a closed space improve and maintain vacuum,At present, the vacuum pump is widely used in plastic machinery, pesticide chemical, dyes, brick machine, low temperature equipment , papermaking machinery, medicine chemical indust...

+ Continue reading

Water ring vacuum pump used in coal mining industry

Posted on Fri, 18 May 2018 06:15:25 +0000

Vacuum pump is widely applied to all kinds of industry, we all know, some concrete application is not very understanding, today we through this article to learn water ring vacuum pump in the application of coal industry, the friend who want to learn can come with me. 1.Refining coal: In the refin...

+ Continue reading

The introduction ZJPS roots water ring vacuum pump system

Posted on Fri, 18 May 2018 06:14:24 +0000

Roots liquid ring vacuum system is mainly roots vacuum pump, water ring vacuum pump as the backing pump series.Roots water ring vacuum unit is choose water ring vacuum pump as the backing pump is more better than other vacuum pump, it overcomes the single water ring pump when using the limit pres...

+ Continue reading

The introduction of the roots vacuum pump and its application

Posted on Fri, 18 May 2018 06:13:46 +0000

Roots vacuum pump ( in short as roots pump) is a kind of no in the rotation of the compressed variable capacitance type vacuum pump.also there have roots liquid ring vacuum system and roots piston vacuum system ,roots vacuum pump Is the use of two figure 8 rotor spinning in the pump casing and su...

+ Continue reading

The working principle of rotary vane vacuum pump

Posted on Fri, 18 May 2018 06:12:55 +0000

Rotary vane vacuum pump is mainly composed of the stator, rotor, rotary, cover, spring and other parts.Its structure is the use of eccentric loading in rotor stator cavity (cylindrical rotor and the stator’s inner surface tangent the gap between the two is very small) and rotor slot against...

+ Continue reading

The introduction of water ring vacuum pump

Posted on Fri, 18 May 2018 06:12:17 +0000

Liquid ring vacuum pump (hereinafter referred to as water ring pump) is a kind of roughing vacuum pump, the ultimate pressure it can obtain for single stage liquid ring pump is 2.66 ~ 9.31 kPa;For double stage liquid ring vacuum pump is 0.133 ~ 0.665 kPa.Water ring vacuum pump also can be used as...

+ Continue reading

How to correct use roots vacuum pump

Posted on Fri, 18 May 2018 06:11:35 +0000

Roots vacuum pump has a lot of advantages,  which can not be replaced by other vacuum pumps , its working temperature is no more than 50 ℃, if roots vacuum pump is working at low temperature, its pumping speed of gas will very fast, but he has a malpractice is cannot be used independently, there ...

+ Continue reading

The advantages and disadvantages of water ring vacuum pump

Posted on Fri, 18 May 2018 06:10:57 +0000

Introduction:Water ring vacuum pump (hereinafter referred to as water ring pump) is a kind of coarse vacuum pump, it can get the limit of vacuum for 2000 ~ 4000 pa, pa series air ejector can reach 270 ~ 270.Water ring pump can be used as a compressor, also known as water ring compressor, belongs ...

+ Continue reading

Glue vacuum deaeration tank Use method and application

Posted on Fri, 18 May 2018 06:09:55 +0000

Vacuum deaeration machine, also called (vacuum box, vacuum deaeration tank, the epoxy resin deaeration, LED deaeration machine, vacuum machine, vacuum bubble machine, etc.)working principle as follows: Vacuum deaeration machine should be used with vacuum pump, can completely off process of bubbl...

+ Continue reading