The use of laboratory vacuum pump is more and more widespread, most laboratory equipment will be equipped with vacuum pump, because the vacuum pump is not a single equipment, it can be used with other instruments. For example, vacuum filtration, microbial detection, waste liquid extraction, rotary evaporator, vacuum drying box, lyophilizer and other equipment. Vacuum pumps are auxiliary equipment in every laboratory. How to choose vacuum pump for laboratory? The first step is to understand the purpose of the vacuum pump and whether the extracted gas is corrosive. General filter samples, oil – free vacuum pump can be selected. For reagent purification, corrosion resistant vacuum pump should be selected. Secondly from the vacuum pump configuration in other instrumentation equipment considerations. If used for the configuration of rotary evaporator will have to use corrosion resistant vacuum pump, rotary evaporator volatilized gas with a certain degree of corrosion; If it is used for drying oven, can choose a high vacuum pump, vacuum such as the oil pump in the dry vacuum pump.
1.The vacuum pump buffer device used in the laboratory is characterized by: buffer tank, vacuum pump and suction tank; The buffer tank comprises a closed buffer tank body, a first separator is arranged in the buffer tank body, a first blowdown pipe is arranged at the bottom of the buffer tank body, four air inlet ports are arranged at the top of the buffer tank body, and an air outlet is arranged on the buffer tank body; The suction tank includes a closed suction tank body, which is provided with a second baffle plate in the tank body, a second sewage pipe at the bottom of the tank body, and an air inlet and an air outlet on the tank body; The air outlet of the vacuum pump is connected with the air outlet of the buffer tank through a pipeline, and the air outlet of the vacuum pump is connected with the air inlet of the suction tank through a pipeline.
2. The vacuum pump buffer device used in the laboratory is characterized by having several through holes on the first separator and granular adsorbent placed on the first separator.
3. The vacuum pump buffer device used in the laboratory is characterized by a vacuum meter on the top of the buffer tank body.
4. The vacuum pump buffer device used in the laboratory is characterized by an observation window on the buffer tank body.
5. The vacuum pump buffer device used in the laboratory is characterized by having several through holes on the second separator and granular adsorbent placed on the second separator.
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