Reaction Vessel: How to Select a Commonly Used External Half-Tube Reaction Vessel

Commonly used external half-tube type Reaction vessel The planning and selection of mixing equipment are closely integrated with the intended mixing tasks. Different mixing processes need to be accomplished through the operation of various types of mixing equipment. When planning and selecting equipment, the first step is to choose an external half-tube type based on the technical objectives and the requirements of the stirring task. Reaction vessel the mixer model, motor power, mixing speed, and then select components such as the reducer, frame, mixing shaft, and shaft seal. 。

Reaction vessel The specific steps are as follows:

Based on the technical conditions, mix the intentions and requirements to select the appropriate type of external half-tube reactor mixer. When selecting a mixer type, it is essential to have a thorough understanding of the mixer’s dynamic characteristics, its operational state during the mixing process, and the various mixing objectives and their causal relationships. According to the determined external semi-tubular Reaction vessel The types of mixers and the operating conditions of mixers during the mixing process were studied through experiments and computer simulations to determine the technical control requirements for mixing time, settling velocity, and dispersion degree. In a double-agitator reactor, the motor power, mixing speed, and mixer diameter are specified.

Based on the motor power, mixing speed, and technical conditions, select the specific reducer model from the reducer selection table. If a electric heating stack selects a reducer based on the actual working torque, the actual working torque must be less than the reducer’s allowable torque.

According to the one equipped with an outer half-pipe. Reaction vessel For the reducer’s output shaft end and the support method of the mixing shaft system, select racks and couplings of the same model and specifications. Based on the size of the rack-mounted agitator shaft end, the equipment’s available space, operating pressure, and operating temperature, choose the appropriate type of shaft seal. According to the equipment’s application method and structural requirements, plan and select accordingly. Reaction vessel The structural type of the stirring shaft, and check its strength and stiffness.

If planning is based on a rigid shaft, under satisfactory strength conditions, n /nk ≤ 0.7.

If planning is based on a flexible shaft, under satisfactory strength conditions, n / nk ≥ 1.3.

According to the rack standard DN, select the type of agitator shaft and pressure rating, and determine whether to equip auxiliary supports based on support and anti-vibration conditions. During the selection process described above, Reaction vessel Mixing device components and the outer half-tube Reaction vessel The key dimension for connecting equipment processes is the wellhead dimension; components with identical wellhead dimensions can be interchanged and combined according to this principle.

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