The briquette ball press line is a method of pressing powdered raw materials into shaped blocks. The main equipment is a roller briquette ball press. There are many adjustment methods for briquette ball presses. Bojin briquette ball presses have uniform raw material supply devices, raw material supply adjustment devices, radial adjustment ball bowl misalignment machines, and pressure measurement devices. In batch production of briquette ball presses, there are adjustment devices to varying degrees. China's pressure ball machine is a single production, basically no adjustment device. At present, the development trend of roller briquette ball presses is: (1) Increase production capacity. (2) Increase pressure to save binder and improve ball quality. (3) Extend the life of the molded part (roll skin). The rationality of the design and manufacture of the roller briquette ball presses directly affects the ball quality and balling rate. For the suppression of large balls, the choice of bowl size is particularly important. How to ensure that the feed is full, stable and evenly distributed along the roll width, increasing the compression ratio and prolonging the pressing time is the key technology in the design.
Research and Design of 2 Roller Briquetting Ball Machine
2.1 Working principle The roller ball press consists of two relatively rotating rollers. The roller surface has a corresponding hemispherical bowl arranged in a checkerboard arrangement. The material bites the person against the roller and compresses into a continuous ball strap. In the centerline plane of the two rollers, the extrusion stops. When the roller continues to rotate, the pressure decreases, and the pressed ball slightly increases in size due to elastic deformation, so that the fit of the ball and the bowl wall is damaged. In this way, the ball can be smoothly demoulded. The size of the ball depends on the size of the hemispherical bowl shape.
2.2 Process Requirements
(1) Pulverized coal ratio: y1=0.7 cm
(2) Spherical false weight: y2 = 1.2g/cm. (3) Ball Weight: G=700g
(4) Ball size: 127×90×74mm
(5) Roller diameter: D=1000mm Roller width: B=330ram
(6) Production: Q=45t/h
(7) Container height: H=600mm, with thermocouple interface on the side. The material of the material box is made of stainless steel.
(8) The material of the roller skin is cast steel, and the gap between two rollers is not more than 1mm.
(9) Set roller radial adjustment device.
(10) The center width of the roller base is not less than 300mm,
2.3 Design Options Selection and Determination
l - motor 2 - small pulley 3 - coupling
4 - Large pulley 5 - Triangle tape 6 - Alkaline arrester
7 - Pinion 8 - Bearing 9 - Roller l0 - Synchronizes the load and axial force of the target wheel.
Slag pressure ball machine:
Fluorite ball pressure ball machine:
Briquette press machine:
Double shaft mixer:
Pressure ball machine equipment official website:
Pressure ball machine official website:
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