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12
2021
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03
The difference between magnetic drive reactor and ordinary reactor
Author:
The major difference between the magnetic drive reactor and the ordinary reactor is the difference in the stirrer. The agitator of the ordinary reactor is a mechanically sealed or stuffed-sealed agitator.
The major difference between the magnetic drive reactor and the ordinary reactor is the difference in the stirrer.
The agitator of the ordinary reactor is a mechanically sealed or stuffed-sealed agitator. This type of agitator is prone to leakage of materials in the autoclave under high pressure conditions. This type of agitator cannot be used especially in the case of reactions with toxic media. .
The magnetically driven reactor is also called a magnetically stirred reactor. Its agitator is a magnetic static sealed type. The greater advantage of this type of agitator is that it solves the shortcomings of mechanical or packing sealed agitators that cannot be sealed under high temperature conditions, especially It is suitable for reaction conditions requiring zero leakage of materials.
The magnetic drive reaction kettle is mainly composed of heating furnace, kettle body, kettle cover, magnetic stirrer and other parts.
(1) The reactor body is mainly used for material reaction. The material is made of TA2. The reactor body and the flange are connected by threads. The sealing of the reactor body and the cover is sealed by a heat-free circular arc surface and a conical surface line. Rely on higher processing accuracy and the tightening force of the main bolt to achieve the sealing effect.
(2) The kettle cover is the main part of the magnetic drive reaction kettle. The material is 1Cr18Ni9Ti. The kettle cover is equipped with magnetic stirrer, pressure gauge, burst valve, gas valve, sampling valve and cooling coil, etc., which are easy to grasp the magnetic force at any time. When driving the reaction of the materials in the reactor, adjust the composition, ratio, temperature and pressure of the materials in the magnetic-driven reactor to ensure the safe operation of the magnetic-driven reactor.
(3) The heating furnace is used to heat the body of the reaction kettle. The outer cylindrical furnace body is equipped with a cylindrical silicon furnace core. The heating resistance wire is connected through it, which has the characteristics of good heat transfer effect and fast heating. The lower end of the furnace body There is a socket on the side, and use a cable to connect it with the controller when in use.
(4) Magnetic stirrer, a permanent magnet coupling device, is composed of inner and outer ring magnets, with a pressure-bearing spacer in the middle. The stirring torque is transmitted by the servo motor through the magnetic force of the inner and outer magnets. The spacer is equipped with a speed measuring element. , When the stirrer and the inner magnetic steel rotate, the induction signal is generated by the electronic component and transmitted to the control instrument to display the working speed of the magnetic stirrer.
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