Chemical anti-corrosion of what is internal structure of magnetic pump, magnetic pump use pay attention to what?

Chemical anti-corrosion magnetic pump adopts the static sealing spacer, zero leakage, the advantages of the environmental protection, chemical anti-corrosion material with fluorine plastic magnetic pump, magnetic pump stainless steel magnetic pump, anti-corrosion magnetic water pump through a long period of time when using need to change parts, so the internal structure of the magnetic pump must understand and attention to the problem of what to avoid; A, chemical anti-corrosion magnetic pump parts structure analysis of the structure and composition of magnetic pump magnetic pump parts: by a pump, magnetic pump magnetic actuator, and motor of three parts, and magnetic actuator by external magnetic cylinder, magnetic cylinder inside and not permeability of sleeve. Fluorine plastic magnetic pump, magnetic pump of stainless steel structure are similar. Basically see the magnetic block of each manufacturer of magnetic can keep how long. At present, which can be chosen by the magnetic pump magnetic materials is more, the commonly used have ALNICO, ferrite and permanent magnet on thin unlined upper garment to drill SMCO5 ( 1:5) SM ( 有限公司、铜、铁、锆 7. 4 ( Hereinafter referred to as ') ND - FE - B, etc. Of rare earth permanent magnet material selection priority, strong is hinge iron boron ND - FE - B, the magnetic energy product up to 28 x104t & middot; A/M above, intrinsic coercive force of more than 1120 ka/M, popularity. But its working temperature should not exceed 120 ℃ high temperature conditions can choose unlined upper garment to drill the permanent magnetic material, SM ( 有限公司、铜、铁、锆 7. 4 magnetic energy product of about 192 x103t & middot; A/M, its working temperature can be as high as 300 ℃. 2, the following is the detailed structure of the different types of magnetic pump common market: 1, the shell parts: is composed of pump body, pump cover, etc, it carry the full working pressure of the pump; Hydraulic pump body impeller form API685 standards, are the main manifestations of magnetic pump hydraulic performance parts, its function is to force the liquid, which transmits the mechanical energy is converted into liquid energy. 2, internal and external rotor: internal and external rotor, together form the magnetic driving part of magnetic pump. , isolation: set of sleeve is can completely realize completely without leakage magnetic pump the only parts of a bit. Part 4, rotor: divided into the pump shaft is installed on the rotation of the parts and the drive shaft is installed on the rotation of the parts. Bearing within the impeller and the pump shaft is rotor and torque is one of the important parts. By the impeller pump shaft is installed on the rotation of the parts, bearings, thrust ring parts, magnetic rotor and water pump shaft itself such as composition and rotor parts in contact with the medium. The drive shaft is installed on the rotation of the parts by external magnetic rotor parts, rolling bearing, the drive shaft collar and drive the rotor part of the axis of itself is exposed to air. 5, transmission parts: pump and prime mover connected by diaphragm type lengthened coupling parts, maintenance and repair, need to remove the coupling intermediate diaphragm, can be achieved for the maintenance of magnetic pump. 6, connection parts: by connecting rack, bearing box parts such as stationary fittings connection support role. Sliding bearing, shaft sleeve and thrust plate: it's a support and positioning parts of pump rotor system parts. The magnetic coupling of magnetic pump and pump body is an organic whole, so the structure is compact, convenient maintenance, safe and energy-saving. The magnetic coupling of the pump of the drive motor can have the effect of overload protection. Due to the pump shaft contact with the media, so the material requirement is corrosion resistance, high machining accuracy, high strength or through heat treatment method to increase the strength of the material. Three out of magnetic pump, magnetic pump failure analysis is the advantages of no leakage, thus completely solve the & other Run, run, drip, leak & throughout; The problem. But the corresponding magnetic pump are: 1, to align demand is high, entry under the condition of material not clean, easy to wear in the magnetic cylinder and isolation. 2, high magnetic pump made of sleeve material requirements. 3. Magnetic pump efficiency is lower than ordinary centrifugal pump, do not allow the magnetic water pump, no idle running 4, scope of use: the use of the pump magnetic pump working environment temperature, the motor temperature, working pressure and medium density and the particle requirements, etc. 5, the price is relatively expensive. Fourth, the use of magnetic pump considerations are as follows: 1, after the installation, turn the coupling with the hand to check for the scratches. To prevent debris into one pump, pump inlet filter, filter area is greater than the line 3 a 4 times of cross-sectional area. 2, it is forbidden to idle running. High lift pump should install the check valve in the outlet pipe on the road, in case of sudden stop water hammer damage. 3, open pump application: open the inlet valve, before driving to fill must be conveying liquid pump; Close the outlet valve; Inching electric lift machine, check the pump steering is correct; starts, the outlet valve should slowly open and stay after to normal operation of the pump, the outlet valve will be dispatched to the required opening again. Test run 5 ~ 10 min, without exception, can be put into operation. 4, parking programs: close the outlet valve, Cut off the power supply; Imported closed, stop for a long time need not when, cleaning pump flow and cut off power supply.
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