Magnetic pipeline pump magnetic circuit calculation and improve the design

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magnetic pipeline pump magnetic circuit calculation and improve the design of magnetic pipeline pump for the transmission power of the insufficiency in the original design, torque is too small, the magnetic circuit transformation measures, to design and manufacture of magnetic coupling, increase torque, to achieve the requirement of the transfer 30 kw power. (1) the choice of the form of magnetic magnetic transmission pipeline pump magnetic transmission part, USES the cylindrical coupling, inner and outer magnetic steel using high-performance magnets, magnetic pipeline pump has the high remanence intensity, high intrinsic coercive force, magnetic pipeline water pump maximum magnetic energy product and high Curie point, fully guaranteed the magnetic coupling with reliable performance. And rare earth magnet steel has high stability, and can prevent the assembly and disassembly or pump rotor in the negative effects of the work under the maximum torque. Normal work, magnetic coupling and three-phase asynchronous motor synchronous operation, stable performance. Impeller shaft connection and magnetic steel and outer magnetic steel connected to the motor shaft. Isolation cover is made of stainless steel. Magnetic coupling dynamic seal into static seal, ensure no leakage. At the same time magnetic magnetic coupling transmission pipeline pump has the following characteristics: to ensure no leakage, safe and reliable, long operation time, less maintenance; Smooth operation, little vibration, low noise, the vibration of the motor by magnetic coupling vibration reduction; Simple structure, convenient maintenance, save work and effort; Overload automatic protection, magnetic pipeline pump when overload, master and slave drive automatically slide, rise to protect the motor, and the function of the whole unit. Magnetic pipeline water pump is in the company for more than ten years experience in design and manufacture of horizontal magnetic pump based on the development of a new type of pipeline magnetic pump, magnetic pump pipe has both the characteristics of the type ISG pipeline centrifugal pump, magnetic pump pipe and possesses the advantages of magnetic chemical pump, magnetic pump pipe is the latest generation of pipeline without leakage magnetic type centrifugal pump. 1 - magnetic pipeline pump cylindrical magnetic transmission structure - - - - - - Outer rotor; 2 the outer magnetic steel; 3 magnetic steel; 4 inner rotor; 5 isolation cover (2) the magnetic pipeline pump magnetic moment of magnetic force coupling of magnetic circuit calculation is very complicated, and difficult to accurately. Our country famous magnetic circuit expert professor Li Guokun according to the theory of static magnetic fields and optimal design of combined pull push magnetic circuit, a simplified calculation formula of the magnetic moment: T magnetic torque; K coefficient; M for magnetization; H for coupling the clearance center for magnetic field strength; Spore for pole number; S per pole pole area; H as the pole height; R as the magnetic action radius; For the mouth of two poles of relative displacement Angle. Measured and calculated with the magnetic moment of torque deviation less than 10%, fully meet the requirements. Magnetic pipeline pump is the company in more than 10 years experience in design and manufacture of horizontal magnetic pump based on the development of a new type of pipeline pump, magnetic pump pipeline both has the characteristics of type ISG pipeline centrifugal pump, magnetic pump has the advantages of magnetic chemical pump, magnetic pump pipe is the latest generation of leak-off pipe centrifugal pump. Magnetic pipeline pump can be widely used in chemical, pharmaceutical, petroleum, electroplating, food, film photography, scientific research institutions, defense industry made pumping units such as acid, alkali, oil, rare precious liquid, venom, volatile liquid, and circulating water to form a complete set of equipment, filter machine. Especially easy to leak, inflammable, explosive liquid pumping, via magnetic pipeline pump is more ideal 1, no leakage, may transport inflammable, explosive, toxic and corrosive medium; 2, good material, pump body, impeller, such as filtering of sleeve parts adopt high quality stainless steel manufacturing; 3, shaft sleeve, with high wear resistance of silicon carbide, tungsten carbide powder M106K sliding bearing adopts carbon stone, and set the oil groove, effectively guarantee the life of the pump; 4, vertical installation, compact structure, cover an area of an area small; 5, little vibration, low noise, smooth running special; 6, most parts of magnetic pipeline pump interchangeable with CQB magnetic pump series, magnetic pipeline pump performance same as CQB series; Traffic is 3. 2 - 100 m3 / h; Head of 20 - 80米; Power is zero. 75 - 75 kw magnetic pipeline pump type choice, should according to the process flow, water supply and drainage requirements, from five aspects into consideration, both liquid throughput, gear head, nature, piping layout and operation conditions of operation. 1. Traffic is one of the important performance data selected magnetic pipeline pump, it is directly related to the entire plant production capacity and transmission capacity. Such as design process design can calculate a normal, minimum, maximum three flow pump. 2. System is required to lift or pressure is to select another important performance data of magnetic pipeline pump, general with 5% - Head to selection after 10% allowance. 3. Liquid properties, including the name of the liquid medium, physical properties, chemical properties and other properties, physical properties with temperature density d, c u viscosity, solid particle diameter and gas content in the medium, etc. , this is related to the system of the head, effective computing cavitation allowance and appropriate pump type: chemical properties, mainly refers to the chemical corrosion of liquid medium, is made magnetic pipeline pump that a type of shaft seal material selection and the important basis. 4. Device system piping layout condition refers to send liquid height conveying liquid from liquid, such as absorption side the lowest level, such as the highest level of discharge side length, some data and piping specifications and materials, pipe specification, quantity, etc. , comb for department head and NPSH checking calculation.

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