Variable volume vacuum pump working principle and advantages and disadvantages: (1) reciprocating vacuum pump, rotary vane vacuum pump, slide valve vacuum pump, Roots vacuum pump piston reciprocating motion or rotation of the gas inhalation, compression and discharge. Their advantage is that the new pump has a relatively high degree of vacuum, but the piston is a running part, so piston wear can not be avoided, as the number of maintenance increases the working vacuum will continue to decline until it can not meet the production requirements. Such pumps work noise, fuel consumption, high failure rate is also a fatal shortcoming, generally need to open a spare one, which virtually increases the equipment investment and operating costs. In addition, if such a pump is used to suck a condensable gas such as steam to emulsify the lubricating oil, it can only be applied to suction of non-condensable (air-based) gas or to suction of a granular medium It also limits its scope of application. (2) The working principle of the water ring vacuum pump is to rotate the eccentric rotor with a plurality of blades installed in the pump casing to throw the water to the pump casing to form a water ring concentric with the pump casing. The water ring and the rotor blades form a volume cycle Variations take the gas in, compress it, and drain it. It has the advantage of low vacuum pumping capacity, you can directly suction steam condensable gas. Its disadvantage is the low degree of vacuum; can not be aspirated with the granular media; rotor rotation is not easy to do anti-corrosion treatment, it can not be aspirated with corrosive media. The above is the variable-volume vacuum pump working principle and advantages and disadvantages.
Food Industry Mass Flow Meter
Sealand is a professional supplier of Water Mass Flow Meter, Beverage Mass Flowmeter, Water Mass Flowmeter, Beverage Mass Flow Meter, Palm Oil Flow Meter, ATEX, IECEx & CE approved.
It has self-diagnosis function.
The transmitter & software will self-diagnose once powered on/ connected.
The transmitter will show error code immediately on the top of display if there is anything
wrong.
1.Error 01: Sensor error; 2.Error 02: Temp. sensor overrun;
3.Error 03: Zero failed; 4.Error 04: Transmitter initializing.
To callout the interface on software, click tool bar > Functions > Status. The light in front is
green when everything is fine, but will be red if there is any error.
Please keep the meter in good condition during transport, better packed in the original
package from the manufacturer.
Please make sure the site meets following requirements, if keep the meter in storage.
a) Waterproof and moisture-proof;
b) With few mechanical vibration and crush;
c) Temperature from -30°C to +65°C;
d) Humidity less than 80%, better about 50%;
e) Please clear up the sensor if storage used one;
f ) Performance will be influenced if storage in the open.
Water Mass Flow Meter, Beverage Mass Flowmeter, Water Mass Flowmeter, Beverage Mass Flow Meter, Palm Oil Flow Meter
Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeter.com
