Method for manufacturing grinding disc of melanger

FIELD: food industry.

SUBSTANCE: method for manufacturing a grinding disc of a melanger is described, characterised by the use of a cylindrical stone part on the cylindrical surface of which grooves are milled, characterised in that the grooves are milled in width and depth in the range of values from 1 to 10 mm. The side walls and the cylindrical bases of the grooves are matched by roundings with the radii in the range of 0.5 to 10 mm.

EFFECT: reducing the wear intensity of the grinding discs.

2 cl, 1 dwg

 



 

Same patents:

Runner mill // 2524370

FIELD: mechanical engineering.

SUBSTANCE: mill comprises loading (1) and unloading (13) devices, a cylindrical body (2), in the internal volume of which a vertical shaft (3) with a fixed carrier (4) is mounted. Rollers (5) and brushes (6) alternating in the circumferential direction, associated with pinion gears (7), are installed on the carrier. The pinion gears cooperate with a toothed annular stationary guide (8), located on the housing cover (9). A diameter of pitch circles of the pinion gears is 1.1-1.3 times larger than the diameter of the rollers. Spherical projections (10), contacting with an undulating guide (11) on the inner surface of the housing to move along the axis of the carrier, are made on the end surfaces of the rollers and bushes.

EFFECT: grinding of materials occurs due to the complex motion of the grinding apparatus at the same time in several directions, which facilitates the efficient grinding.

2 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to grinding loose material, for example, initial cement stock, cement clinker etc. Jar roller comprises housing, mainly horizontal stationary grinding table and set of rolls to run about its pin. Grinding comprises means to force gases into jar roller housing and means for continuous discharge of suspended gas therefrom. Every pin of said roll is articulated with vertical shaft located at grinding table center. Articulation turn center located in vertical plane below roll pin axial line allows a free circular motion of roll up and down in the plane including the roll pin axial line. In compliance with proposed method, roll pins and vertical shaft bring grinding products in contact with gases forced through set of nozzles. Said nozzles are fitted inside mill housing, on grinding table or in circle thereof. Grinding product suspended in gases is discharged through outlet in mill housing. Grinding pressure increase due to increase in angular velocity brought about increased torque relative to hinge.

EFFECT: continuous grinding, unlimited diameter of grinding table.

5 cl, 4 dwg

FIELD: process engineering.

SUBSTANCE: roll mill comprises grinding table, at least one grinding roll, at least two drives with stator and rotor winding to drive roll mill and at least one adjusting device for torque adjustment. Compensation adjustment job is performed by adjusting the torque by at least one drive. Used adjusting device outputs power smaller than 50% of the drive rated power. Adjusting device is connected with rotor winding of at least one drive. Adjustment is performed by affecting rotor winding current for drive power adjustment at preset interrelationship.

EFFECT: higher reliability and efficiency.

15 cl, 5 dwg

Roll mill // 2495721

FIELD: process engineering.

SUBSTANCE: invention can be used for grinding loose material, for example, mix of cement stock, cement clinker and similar materials. Roll mill comprises grinding table. Said table can be turned about vertical axis by drive mechanism. At least one roll is fitted on the shaft to run therewith. Guide mechanism and its support keep said roll in tangential direction relative to grinding mill. Mill vibration compensator interacts with guide mechanism to secure the roll in said tangential direction irrespective of support resilience. With working conditions changed, said compensator inhibits roll displacement relative to grinding table.

EFFECT: decreased change in drive torque, hence decreased drive wear.

10 cl, 2 dwg

Grinding mill // 2483804

FIELD: process engineering.

SUBSTANCE: invention relates to jar mills. Proposed method comprises body, runner bowl with runner ways, runners arranged to be disengaged, axial and radial bearings for runner bowl, and, at least, two runner bowl rotary drives. Note here that said drives may be switched off in running mill, that is, the disengaged runner drive may be switched off to minimise resultant radial force. Proposed method of running said mill consists in that with one runner disengaged that drive is switched off which allows minimum resultant radial force.

EFFECT: higher reliability, longer life.

12 cl, 5 dwg

Roll mill // 2481157

FIELD: process engineering.

SUBSTANCE: invention relates to grinding loose material, for example, initial cement stock, cement clinker etc. Proposed mill comprises milling table, primarily, with vertical axial line, and set of rolls. Rolls can interact with milling table and rotate around separate axles. Said axles are engaged with central shaft with, mainly, vertical axial line. Said central shaft is engaged with motor rotor while milling table is engaged with starter of the same motor. Thus, one motor drive both milling table and central shaft.

EFFECT: compact simplified design.

5 cl, 1 dwg

FIELD: process engineering.

SUBSTANCE: active-duplication drive system is used in abrasive mills comprising housing, bowl of runner stones with runner stone way, stones rolling on said way, thrust bearing and runner stone way drive made up of motor and reduction gear. Drive system consists of more than two drives. At least two drives of said system stay continuously serviceable. Said two drives maintain required grinding capacity.

EFFECT: servicing and repair without stopping grinding process.

15 cl, 3 dwg

The invention relates to a method of grinding materials

Runners // 2036008

FIELD: food industry.

SUBSTANCE: device relates to the field of producing fine powders including nano-sized ones. The device contains a hollow perforated cone-shaped electric motor rotor wherein, the same as in the grinding bowl of a common mill, proceeds disintegration of a substance to produce a nano-sized powder. On the inside the rotor has teeth or spikes performing disintegration of larger substance globules and creating aggressive vortex flows that continue milling the substance to ever smaller particles. Grinding is additionally promoted by vibration of the rotor suspended on magnet bearings during its high-speed rotation; the magnet bearings proper are designed so that to enable correction of the rotor vertical and horizontal microvibrations in accordance with the preset algorithm. Grinding is performed due to simultaneous action of three factors: disintegrating effect of the rotor spikes, aggressive air or gas vortices, rotor microvibration in the longitudinal or crosswise direction. Grinding proceeds within two spaces simultaneously: inside the hollow rotor and in the space between the rotor and the stator. Thanks too the device design peculiarities grinding is performed into two substance fractions at once.

EFFECT: invention enables production of fine powder with dispersity less than 100 micron.

2 cl, 3 dwg

FIELD: food engineering.

SUBSTANCE: apparatus has rotating knife equipped with grinding blades located on its upper surface and driven into rotation by means of engine, immovable knife arranged in spaced relation above rotating knife and equipped with grinding blades located on its lower surface, and central charging opening. Rotating and immovable knives are disposed within case equipped with opening for discharging of coffee bean ground products placed between rotating and immovable knives, and guiding pipeline. Apparatus is further provided with worm wheel connected with immovable knife for lifting and lowering thereof, worm drive meshed with worm wheel teeth for rotating of worm wheel, and control engine adapted for rotating of worm drive in forward and backward directions. Guiding pipeline is provided with distributor adapted for supplying of predetermined amount of ground coffee beans.

EFFECT: simplified controlling of size of ground coffee bean particles, delicious taste and aroma of coffee beverage extract.

6 cl, 3 dwg

Disc mill // 2232540
The invention relates to the food industry and can be used in devices for grinding coffee

The invention relates to household appliances, namely, devices for grinding coffee

FIELD: food engineering.

SUBSTANCE: apparatus has rotating knife equipped with grinding blades located on its upper surface and driven into rotation by means of engine, immovable knife arranged in spaced relation above rotating knife and equipped with grinding blades located on its lower surface, and central charging opening. Rotating and immovable knives are disposed within case equipped with opening for discharging of coffee bean ground products placed between rotating and immovable knives, and guiding pipeline. Apparatus is further provided with worm wheel connected with immovable knife for lifting and lowering thereof, worm drive meshed with worm wheel teeth for rotating of worm wheel, and control engine adapted for rotating of worm drive in forward and backward directions. Guiding pipeline is provided with distributor adapted for supplying of predetermined amount of ground coffee beans.

EFFECT: simplified controlling of size of ground coffee bean particles, delicious taste and aroma of coffee beverage extract.

6 cl, 3 dwg

FIELD: food industry.

SUBSTANCE: device relates to the field of producing fine powders including nano-sized ones. The device contains a hollow perforated cone-shaped electric motor rotor wherein, the same as in the grinding bowl of a common mill, proceeds disintegration of a substance to produce a nano-sized powder. On the inside the rotor has teeth or spikes performing disintegration of larger substance globules and creating aggressive vortex flows that continue milling the substance to ever smaller particles. Grinding is additionally promoted by vibration of the rotor suspended on magnet bearings during its high-speed rotation; the magnet bearings proper are designed so that to enable correction of the rotor vertical and horizontal microvibrations in accordance with the preset algorithm. Grinding is performed due to simultaneous action of three factors: disintegrating effect of the rotor spikes, aggressive air or gas vortices, rotor microvibration in the longitudinal or crosswise direction. Grinding proceeds within two spaces simultaneously: inside the hollow rotor and in the space between the rotor and the stator. Thanks too the device design peculiarities grinding is performed into two substance fractions at once.

EFFECT: invention enables production of fine powder with dispersity less than 100 micron.

2 cl, 3 dwg

FIELD: food industry.

SUBSTANCE: method for manufacturing a grinding disc of a melanger is described, characterised by the use of a cylindrical stone part on the cylindrical surface of which grooves are milled, characterised in that the grooves are milled in width and depth in the range of values from 1 to 10 mm. The side walls and the cylindrical bases of the grooves are matched by roundings with the radii in the range of 0.5 to 10 mm.

EFFECT: reducing the wear intensity of the grinding discs.

2 cl, 1 dwg

Mill // 2636573

FIELD: human vital needs satisfaction.

SUBSTANCE: mill (1) with the first grinding element (11) and the second grinding element (15), in which two grinding elements (11, 15) rotate relative to each other in such a way that coffee beans are ground by the grinding elements into coffee powder and with a pickup wheel (25), rotating with the first grinding element, the mentioned pickup wheel is used to move ground coffee powder along its border area from the grinding elements (11, 15) through an output channel (6-3). The border area of the pickup wheel (25) is made conoidal in the direction to the grinding elements (11, 15) with a concave profile, so that it forms an inner high edge (Ri) and an outer low edge (Ra), and the pickup wheel (25) contains lots of pickup blades (26) distributed in the border area peripherally.

EFFECT: increased reliability and efficiency of the device.

10 cl, 6 dwg

Grinding mill // 2641577

FIELD: food industry.

SUBSTANCE: grinding mill contains the electric motor and the grinding system, besides, the rotor of the engine is made conical with the possibility to replace the grinding bowl. The internal surface of the hollow and perforated rotor is made with spokes. The charging pipe with the rib-blades is provided in the upper part of the rotor to create the air stream towards the interior of the rotor. The outer surface of each of the spoke is covered with nano-shaped glass-like film of tantalum oxide with high degree of smoothness and the rib-blades outer surfaces curvature is made along the cycloid line as the brachistichrone.

EFFECT: finished product quality improvement.

5 dwg

FIELD: process engineering.

SUBSTANCE: active-duplication drive system is used in abrasive mills comprising housing, bowl of runner stones with runner stone way, stones rolling on said way, thrust bearing and runner stone way drive made up of motor and reduction gear. Drive system consists of more than two drives. At least two drives of said system stay continuously serviceable. Said two drives maintain required grinding capacity.

EFFECT: servicing and repair without stopping grinding process.

15 cl, 3 dwg

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