Jiangsu Tongjun explains the choice of sealing at the junction of the reactor
The choice of sealing at the junction of the agitation and the reactor is particularly important for sealing effects, safe use, cost savings, and the like.
1. First, we must clarify the basis for sealing selection: the first is the working pressure in the kettle, and the second is the nature of the working materials. Another is the operating temperature of the device.
2. Secondly, the type of seal used in the stainless steel reactor is clearly defined: the seal used in the reactor is generally referred to as the shaft seal. The first is the packing seal, the second is the mechanical seal, and the mechanical seal is divided into a single seal (ie, single End face mechanical seal) and double machine seal (ie double mechanical seal), single machine seal complete set also includes water jacket, double machine seal is more complicated, water removal jacket (must have circulating cooling water), also includes supporting bracket , balance tanks, etc.
3, how to choose the appropriate seal: in normal temperature and pressure, the material is not volatile, non-flammable and explosive use conditions, you must choose packing seal; at a pressure of less than 4 kg, the material is volatile and flammable and explosive Under the conditions of use, it is necessary to choose a single machine seal; in the use of working pressures of more than 4 kg (but less than 10 kg), the material is volatile and flammable and explosive, you must choose a double machine seal.
4, the advantages and disadvantages of various seals: filler seal price is the cheapest, but only for the most common conditions of use and materials; single machine seal price is moderate, can be used under most conditions of use; double machine seal price is the most expensive, but in harsh Must be used under working conditions.
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