The boiling granulating dryer has been widely used in the mixing, drying, granulating and granule "top spray" coating of powder materials in ceramsite sand, medicine and chemical industries. The boiling granulator is generally composed of a rotating mixing cylinder, a high speed rotor, a transmission, and the like. The high-speed rotor often uses a cantilever rotor system. The force of the system belongs to the type of cantilever beam. When working under high power and high speed, it is easy to cause mechanical vibration of the system, resulting in instability of the unit operation. In order to overcome this deficiency, a new type of super long cantilever integrated rotor shaft structure has been developed, which effectively reduces the vibration of the cantilever rotor, prolongs the practical life of the spindle, and greatly improves the working efficiency of the boiling granulator. And to ensure the safety and stability of the system work.
The cantilever rotor shaft structure is composed of a speed measuring plate, a bushing, a rotor V pulley, an upper bearing, a bearing seat, an upper main shaft, a bearing housing flange, a lower bearing, a simulated bottom plate, a lower bearing seat, a lower main shaft, a claw and a rotor. The components are connected together by a central shaft, and the upper and lower shafts are bolted by the shaft end flanges, and the rotor and the lower shaft are connected by bolts, and the rotor V pulley is driven by the motor to drive the rotor to rotate.
The lower bearing adopts the self-aligning bearing to compensate the different degrees of the shaft. When the shaft is deflected, the self-aligning roller bearing can be automatically adjusted, and the bearing load is not increased, and the spindle vibration and the bearing temperature rise are reduced.
The rotor system adopts a unique structural design combining hollow shaft and solid shaft. With a specific plate thickness, the rotor load is reduced, the vibration of the cantilever rotor is effectively reduced, the practical life of the main shaft is prolonged, and the rotor stability is increased. And the solidity increases the production and service life, overcomes the defects of large vibration and large noise when the existing granulator rotor works, and has the advantages of stable operation and simple maintenance.
Probiotics
Probiotics are a kind of active microorganisms that are beneficial to the host by colonizing in the human body and changing the composition of a certain part of the host's flora. By adjusting the host mucosa and system immune function or by adjusting the balance of the intestinal flora, promoting nutrient absorption and maintaining intestinal health, thereby producing single microorganisms or mixed microorganisms with a clear composition that are beneficial to health.
Promote the digestion and absorption of nutrients
Maintain the balance of intestinal flora structure
Improve meat quality
Improve the body's antioxidant level
Inhibit intestinal inflammation
Probiotics can alleviate the body's inflammatory response [9].
Protect the intestinal mucosa screen
Probiotics participate in a variety of cyclic processes in the water body. Through their own metabolism, they consume organic substances in the water and reduce the concentration of nitrite nitrogen and ammonia nitrogen in the water body, thereby achieving the effect of improving and maintaining good water quality.
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