Common faults of rotary evaporator relays

The rotary evaporator is a new type of high-efficiency evaporator that uses a rotating scraper to force evaporation. It can perform efficient evaporation under vacuum conditions. It has a large heat transfer coefficient, high evaporation strength, and overflow. The time is short and the operation control flexibility is large. It is especially suitable for evaporation, concentration, desolvation and distillation of heat-sensitive materials, high-viscosity materials and easily crystallized granular materials. Rotary evaporators are mainly used for the continuous distillation of large quantities of volatile solvents under reduced pressure conditions. In particular, the reaction product can be separated and purified by concentrating the extract and distilling the receiving liquid during chromatographic separation. The basic principle is vacuum distillation, that is, under reduced pressure, when the solvent is distilled, the distillation flask is continuously rotating. Rotary evaporator definition: A device for rapid concentration of liquid samples. The sample is heated, decompressed, and continuously rotated in a spherical glass container to increase the evaporation surface area and speed up the evaporation rate. Therefore, it is widely used in various industries such as chemical industry, medicine, pesticide and so on. Today I will introduce to you the common problems of the relay on the rotary evaporator (function: automatic adjustment, conversion circuit, etc.) (Emerson).
Relays (functions: automatic adjustment, conversion circuit, etc.) are generally composed of iron core, coil (winding), armature (xián) iron, contact spring (huáng) piece, etc. Rotary evaporator definition: A device for rapid concentration of liquid samples. The sample is heated, decompressed, and continuously rotated in a spherical glass container to increase the evaporation surface area and speed up the evaporation rate. As long as a certain voltage is applied to both ends of the coil, a certain current (Electron flow) will flow through the coil, thereby producing an electromagnetic effect. The armature will overcome the pulling force of the return spring (Spring) under the action of electromagnetic attraction and attract it. The iron core drives the movable contact and static contact (normally open contact) of the armature to close. When the coil is powered off, the electromagnetic attraction also disappears, and the armature will return to its original position (position) under the reaction force of the spring, causing the moving contact to release from the original static contact (normally closed contact). . In this way, it is attracted and released to achieve the purpose of conducting and cutting off (cutting; truncating) in the circuit. Relay FAQ (Emerson):
1. The relay (function: automatic adjustment, conversion circuit, etc.) does not open;
2. The SSR is disconnected only after input;
3. The relay (function: automatic adjustment, conversion circuit, etc.) does not conduct;
4. The relay (function: automatic adjustment, conversion circuit, etc.) works irregularly;
5. The AC motor or solenoid load causes vibration.