Maintenance method of agitator:
1, mouth and then start: for the blender failure, do not emergency in the first start, should first ask the fault before and after the process and fault phenomenon. For unfamiliar equipment, should also be familiar with the circuit principle and structural characteristics, comply with the corresponding rules. Before disassembly, we should be fully familiar with the function, position, connection mode of each electrical component and the relationship with other surrounding devices. In the case of no assembly diagram, we should disassemble while marking.
2, first external after internal: should first check whether the equipment has obvious cracks, defects, understand its maintenance history, service life, etc., and then check the machine. Before disassembly, the surrounding fault factors should be excluded, and it can be disassembled after determining the fault in the machine. Otherwise, blind disassembly may make the equipment more and more bad.
3, mechanical electrical: only after determining the mechanical parts without fault, electrical inspection. Chemical mixing equipment is especially suitable for the pilot test and large-scale production of flammable, explosive, highly toxic, precious media in high temperature, high pressure, vacuum and other conditions for stirring reaction, so as to completely solve the mechanical seal and packing seal can not overcome the leakage problem, to ensure that the environment and personal protection. Agitator according to the production scale mixing purpose and material characteristics to determine the shape and size of the mixing container, if there is no special need, generally choose vertical drum container, and determine the appropriate ratio of height to diameter; If heating or cooling is required, a jacket structure shall be provided outside the kettle. When checking the circuit fault, the detection instrument should be used to find the fault location. After confirming that there is no bad contact fault, the operation relationship between the circuit and the machinery should be targeted to avoid misjudgment.
4, static after dynamic: when the equipment is not powered on, determine the quality of the electrical equipment button, transformer, thermal relay and fuse, so as to determine the location of the fault. Agitator according to the production scale mixing purpose and material characteristics to determine the shape and size of the mixing container, if there is no special need, generally choose vertical drum container, and determine the appropriate ratio of height to diameter; If heating or cooling is required, a jacket structure shall be provided outside the kettle. Power test, listen to the sound, test parameters, determine the fault, after maintenance. Such as in the motor phase, if the measurement of the three-phase voltage value can not be judged, you should listen to the sound, individually measure each relative voltage, to determine which phase defect.
5. Clean before maintenance: for electrical equipment with heavy infection, clean its buttons, wiring points and contact points first, and check whether the external control key is out of order. Many failures are caused by dirt and conductive dust.
6, after the power supply equipment: the failure rate of the power supply part accounts for a high proportion of the whole fault equipment, so the first maintenance of the power supply can often get twice the result with half the effort.
7, the first fault after debugging: for debugging and fault coexistence of electrical equipment, should first eliminate the fault, and then debugging, debugging must be carried out under the premise of electrical line speed.
8, general after special: the fault caused by the quality of assembly parts or other equipment failure, generally accounts for about 50% of the common fault. Special faults of electrical equipment are mostly soft faults, which need to be measured and maintained by experience and instrumentation.
