Muller Main Body
The mixing pan is fabricated from rolled steel plate. The mixing bowl is protected by removable liners consisting of thick carbon steel wear plate segments in the bowl bottom and thick carbon steel side liners on the bowl sides.
Intensive mixing is accomplished by a mixing tool set, rotating counterclockwise, consisting of two (2x) cast iron mulling wheels vertically mounted 180 degrees apart on independent suspended rocker arms and two (2x) mixing plows mounted on a crosshead. The standard broad face muller wheels are reversible to increase muller life. A loading spring arrangement is provided for each muller to adjust the effective muller weight range and vary the intensity of the mulling according to the requirements of the mixture. The mullers are equipped with dust sealed, anti-friction ball bearings. The two (2x) plows provide blending and movement of the material into the muller wheel path. Complete coverage of the mixing pan assures no dead spots in the mixing operation. A robust spatula type wall scraper is mounted on the rotating mixing elements to clean the inner periphery of the mixer wall.
A single, large discharge door is provided in the pan bottom to allow evacuation of processed material by plow action. The door is operated by an air cylinder.
Sealed anti-friction bearings are used throughout the machine. All internal lubrication is accomplished by means of a centralized system fed from a single, external location.
Liquid additions can be made to the mixer through the dust hood to a centrally located liquid funnel. The funnel is secured to the crosshead and rapidly disperses the liquid addition to the material mass as the mixing tools rotate.
Dust Hood
The dust hood is fabricated from 12 GA steel and will be arranged for manual loading through a hinged top cover. It is also designed with an inspection door, a liquid addition fitting, a centralized lubrication fitting and an air exhaust port unless otherwise specified.
Muller Power System
The muller crosshead is driven through a keyed connection to a vertical drive shaft. The drive shaft is supported in the muller by a completely sealed crosshead support turret mounted to the muller base. The bottom of the drive shaft connects to the gear reducer output shaft by a coupling. The heavy-duty gear reducer consists of steel spiral bevel and helical gearing and is equipped with anti-friction bearings and totally enclosed in a cast iron housing with positive splash type lubrication. The reducer is mounted on the bedplate of the mixer.
To start the motor, we provide an across-the-line magnetic style motor starter with separate push button station located in a NEMA 12 (IEC 529, IP 55) enclosure.
CE Conformity
As an option, the machine can be provided to conform to the necessary CE norms for customers in the European Community.
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