Low speed large capacity centrifuge use attention

Low speed large capacity centrifuge use attention

Learn about low speed and large capacity centrifuge aspects of information on http://www.shlxj.com.cn/.

Low speed large capacity centrifuge adopts frequency conversion motor drive, computer control, liquid crystal display. Turn automatic identification. Can store 12 procedures, 19 level lifting quickly rate adjustable, automatic diagnosis function problem. Refrigeration system adopts imported compressor unit, fluorine free refrigerants and refrigeration / heating double loop control, has the advantages of high efficiency, heating, refrigeration speed, little vibration and other multi effect advantages. The instrument can according to related parameters key setting rotor number, speed, time, temperature, acceleration / deceleration rate, or directly call stored procedures, press the start button after the instrument automatically enter the program control. Low speed large capacity centrifuge is fast separation equipment in biochemical experimental work selection of medical, health, agricultural, food, oil and other industries, for different densities of particles in solution to stop the parting. According to the different needs of the experiment, the low speed large capacity centrifuge can be divided into high speed refrigerated centrifuge and low speed refrigerated centrifuge, the following low speed large capacity centrifuge introduce the performance of two different centrifuge.
Classification of large capacity refrigerated centrifuge:
1) high speed refrigerated centrifuge: above speed can reach 10000rpm, low speed and large capacity centrifuge in performance and structure with low speed refrigerated centrifuge, high-speed centrifuge used angle rotor are made of titanium alloy and aluminium alloy. Centrifugal tube is out of polyethylene plastic cover. This kind of centrifuge used for collecting microorganisms, cell debris, cell, organelle, sulfate precipitate and immune precipitate etc..
2) low speed refrigerated centrifuge: speed not more than 4000rpm, the maximum capacity of 2 - 4L, is most commonly used in a large number of the primary laboratory separation extraction of biological macromolecules, sediment. Its head multi use of aluminum alloy swing type and angle type two, centrifugal tube has a hard glass, polyethylene hard plastic and stainless steel pipe of various types. The centrifuge assembly with a driving motor, timer, the regulator (the speed indicator) and refrigeration system (adjustable temperature range of -20 +40 C), on the basis of centrifugal substances required to change, different capacity and different types of speed rotor.
Matters of large capacity refrigerated centrifuge repair attention:
1 refrigerated centrifuge in the application process if often show a motor can not start phenomenon, or a power indicator light does not shine, low speed and large capacity centrifuge check lamp fuse and indoor distribution fuse board can fuse, also check whether the power line contact is good.
2 refrigerated centrifuge such as rotor winding short circuit or open circuit, use a multimeter to check, re winding. The rotor in the use of metal fatigue, speeding, due to excessive stress, chemical corrosion, improper selection, application and temperature control and other head imbalance incurred by reason of centrifugal pipe rupture, sample leakage, rotor damage. On the above conditions of main request handlers master operation procedure, the correct selection of suitable centrifugal pipe and the centrifugal rotor, pay attention to strictly control every step of the operation operation order, reduce man-made unnecessary damage, used in the safe coefficient and the rotor within the guarantee period.
3 refrigerated centrifuge in the work process, such as presentation of any anomalies should be immediately shut down, can not be forcibly operation, so as to avoid unnecessary loss or present accidents.
4 laboratory refrigerated centrifuge bearing damage or hindered rotation, bearing of oil or bearings in the dirt is more and cause friction resistance increases, the motor is not up to the rated speed, timely cleaning or replacement of bearings. Low speed large capacity centrifuge commutator appearance with a layer of oxide, and firing uneven or brush and the outer edge do not coincide, also can make the speed of landing, should liquidate commutator and brush, make good contact.
5 if the oil pressure is too high and the host can not start, please check the oil can infarction, especially the throttle orifice, unblocked, if not clear should clean to clear.
One of the reasons why the 6 low speed large capacity centrifuge, refrigerated centrifuge start and bad refrigeration effect is the power is disconnected, respectively should check the power supply and the fuse, and the voltage is too low, safe installation problems can make freezer can't start.