Analysis of the application of magnetic drive agitator in the enterprise: With the continuous improvement of magnetic drive sealing technology in recent years, the price has been greatly reduced, making it competitive in the sealing industry, but many companies have not touched such devices, they dare not rush The use of magnetic drive agitator is very promising. It is not accepted by the majority of companies because most companies do not accept new technologies and new things, and are unwilling to try new and innovative technologies. We should make new technologies as soon as possible. Play a role in the enterprise. Roof Tile Machine,Tile Roll Forming Machine,Glazed Tile Roll Forming Machine,Glazed Tile Forming Machine Xinxiang Tianfeng Machinery Manufacture Co., Ltd. , https://www.frollforming.de
The agitator is generally used in material mixing and reactors. Its conventional seals are divided into packing seals and mechanical seals. Double-face mechanical seals can be selected for special working conditions. Magnetic transmission sealed electronic balances can be selected under extremely special working conditions, but with recent years, The magnetic drive sealing technology has been continuously improved, and the price has been greatly reduced, making it competitive in the sealing industry. However, many companies have not touched such devices and are afraid to use them rashly. This paper applies electronic balance analysis to this device.
At present, the magnetic drive seal is only used for the agitation and reaction of extremely toxic or flammable and explosive materials. It has the advantage that it cannot be replaced by other seals. Its structure determines this advantage and can work under the completely sealed state. The general working conditions are all considering leakage. The proposal here is to completely seal, that is to say, the material in the container will not leak out, and the outside medium will not enter. Here we need to make a comparative example. For example, two kinds of materials need to be mixed in the container, which are benzene and boron trifluoride diethyl ether complex. If filler seal or single-end mechanical seal is used, there will be benzene which is volatilized from liquid material. Steam and boron trifluoride overflow from the packing seal, causing damage to outside personnel; if the bending tester uses a single-end mechanical seal with a flushing fluid or a double-face mechanical seal, an external high-pressure sealing fluid will penetrate into the interior. If the three-end mechanical seal is used, the safety effect is there, but the cost of the mechanical seal is very high and the operation is very complicated, because it requires a sealing liquid and a flushing water, and it is necessary to carry out the two liquids. Loop, isolation processing. Another option is a single-end dry-grinding mechanical seal (not dry gas seal), which can be filled with inert gas protection (such as nitrogen), but it has many disadvantages and narrow conditions, such as the line speed of dry-grinding mechanical seals. It can't exceed 2m/s, it has sharp noise when used. It starts to form graphite powder after 3 months, and the service period is very short (six months to one year). Because this mechanical seal is a special material for sealing, the use period should be extended as much as possible, because the process requires the treatment of toxic and hazardous materials, and each treatment is a dangerous hazard. Therefore, magnetic drive sealing is the first choice.
All of the above are theoretical situations. In actual enterprise production, there are still many uncertainties. The choice of magnetic drive seals is slightly more expensive than ordinary mechanical seals, and it requires special attention when using them. Structurally, we need to understand the mastery so that it can be used easily.
The magnetic transmission device is a novel non-contact transmission machine. Its driving principle is magnetic Coulomb's law, and it is a monolithic device. Its construction is very simple. It is a spacer that isolates two permanent magnets. The magnets have their own fixed parts that hold them together and transmit torque to each other. Its power source is the motor, and a reducer in the middle reduces the speed of the motor to the required speed of the process and transmits it to the stirring shaft and the stirring paddle through the magnetic transmission device. This is the entire agitation unit, to which it is connected to a vessel or reactor, where it is necessary to mention its construction, as this determines the start-up and maintenance of the magnetic drive. Some reactors are equipped with heating coils, external insulation or cooling jackets, and agitating mechanical baffles.
Magnetic transmission is used in the laboratory for a long time, and the technology is very mature, because the laboratory is small equipment, and the quality of the operators is high, meticulous use, almost no misoperation, but in the enterprise is not the same, mostly medium and large Equipment, there are many uncertainties. Therefore, it is necessary to pay special attention to the wire bar applicator and be careful. Check that the process valve and safety accessories (the safety valve with a nitrogen seal) are correct before starting. Fill the mixing or reaction solution to the amount required by the process. With the handwheel motor, at least the stirring shaft can be rotated completely for one week. It should feel labor-saving and no stuck phenomenon and metal contact feeling. Check whether the oil level of the reducer is normal. When starting for the first time, the motor should be jogged to confirm that the motor is turning to meet the requirements, and in the non-pressure state, use the alternative medium for 2 hours. If everything is normal, it can be officially used. If necessary, install the motor "target=_blank> machine current meter in the operation control position to observe the operation in time.
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