There are many types of water ring vacuum pump system. Water ring vacuum pump unit can be understood as water ring vacuum pump closed cycle system, water ring vacuum pump negative pressure station, roots water ring vacuum unit. This product is called water ring vacuum pump unit in the minds of many users. The following components of each water ring and the functions of vacuum pump unit are briefly described as follows:
Water ring vacuum pump closed cycle system:
The closed cycle system of water ring vacuum pump is generally composed of water ring vacuum pump, steam separator and heat exchanger. Each system is composed of valve, water supply solenoid valve, ball valve, pipeline, electric contact vacuum gauge, control cabinet, frame, etc. The main function is to recover the working fluid in the water ring vacuum pump, which is generally lack of chemical industry and water resources. Enterprises can use this water ring vacuum pump unit, which can greatly reduce the sustainable use of water resources or chemical working fluid, thus reducing the cost of enterprises.
Negative pressure station of water ring vacuum pump:
The negative pressure station of water ring vacuum pump is generally composed of water ring vacuum pump, vacuum buffer tank, steam separator, heat exchanger, check valve, water supply solenoid valve, ball valve, pipeline, control cabinet, vacuum gauge, rack, etc. its main function is to store a certain negative pressure for the negative pressure demand during the negative pressure operation, to ensure the timely supply of negative pressure, and to save effective water resources, and to divide into anti-skid parts In the case of separator and heat exchanger, water ring vacuum pump and vacuum buffer tank can be directly formed, and water ring vacuum pump negative pressure station can also be formed. No matter what kind of water ring vacuum negative pressure station, it can be equipped. Electric contact vacuum gauge and control cabinet control the start and stop of vacuum pump by adjusting the upper and lower limits of vacuum. The water ring vacuum pump unit has common application in the medical industry and v-casting industry.
Roots water ring vacuum pump system:
Roots water ring vacuum unit is generally composed of water ring vacuum pump, check valve, ball valve, bellows, roots vacuum pump, water supply solenoid valve, control cabinet, electric contact vacuum meter, pipeline, rack, etc. the vacuum unit is roots water ring, the vacuum unit is water ring pump closed cycle system and water ring vacuum negative pressure station, which has the advantages of large pumping speed and high vacuum degree. Roots water ring vacuum unit is roots The Z pump is the main pump, and the water ring vacuum pump is the series connection of the front stage pump.
The roots water ring vacuum pump system uses the water ring vacuum pump as the front pump. It is more advantageous than other vacuum pumps. When a single water ring vacuum pump is used, it overcomes the limit pressure difference (compared with the water ring vacuum pump, the limit pressure of the unit is greatly increased). At the same time, the roots vacuum pump can work fast, which has the advantage of large pump speed.
In particular, it can be adapted to remove a large number of condensable steam, especially when the air ballast oil seal mechanical vacuum pump is used to eliminate the condensable steam capacity is not enough, or the solvent used can make the pump oil deteriorate, affect the performance, or the vacuum system does not allow oil pollution more obvious. If equipped with explosion-proof motors and electrical appliances, and in accordance with the corresponding safety rules, you can also remove flammable and explosive gases. Therefore, roots pump water ring pump unit is widely used in vacuum distillation, vacuum evaporation, dehydration and crystallization in the chemical industry; freeze drying in the food industry; vacuum drying in the pharmaceutical industry; polyester chips in the textile industry; vacuum cleaning in the high altitude simulation test in the system. The maximum pumping speed of roots water ring vacuum device is determined by the pumping speed of the main pump. Limit vacuum of roots water ring vacuum pump system:
(1) The second stage roots water ring vacuum device (roots vacuum pump + water ring vacuum pump) is 267pa, and the mercury vacuum meter can measure the Michaelis;
(2) The third stage roots water ring vacuum unit (roots vacuum pump + roots vacuum pump + water ring vacuum pump) is 25Pa, and the mercury vacuum meter can measure the Michaelis;
(3) Four roots water ring vacuum units (roots vacuum pump + roots vacuum pump + roots vacuum pump + water ring vacuum pump) 0.5pa, can measure the digital vacuum gauge. Roots water ring vacuum device is widely used in drying, dehydration, vacuum degassing and distillation of textile, food, chemical, pharmaceutical and other industries.
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