dry grinding patent

CA2066473C - Dry grinding - Google Patents

Apparatus for grinding particulate solid material in a substantially dry state, the apparatus comprising, means for introducing particulate solid material into a grinding chamber (4), a perforated base (8) of the grinding chamber (4) through which gas is introduced to provide an upward flow of gas passing through the particulate solid material and an impeller (42) rotating in the grinding ...

US3252810A - Dry grinding of ceramics - Google

Cited by: 24

US9896635B2 - Method of enhancing the dry grinding ...

Cited by: 1

US3358937A - Dry grinding of alumina - Google Patents

Cited by: 7

Laboratory Machines / Systems - NETZSCH Grinding

The LabStar laboratory-scale agitator bead mill is one of the most successful machines in the history of NETZSCH-Feinmahltechnik GmbH. With the new Alpha ® Lab laboratory agitator bead mill, the concept of the new generation of agitator bead mills, presented for the first time in 2015 with the Alpha ® ® 22 and the Alpha ® ® 45, has been consistently transferred to the laboratory mill.

METHOD FOR DRY GRINDING OF ONE OR MORE

2010-2-4  1. A process for dry grinding of one or more mineral materials which include at least one calcium carbonate, characterised in that the said process includes the stages of: a) crushing the mineral material or materials in at least one crushing unit until a crushed material is obtained with a d 95 of less than 10 cm; b) possibly improving all or part of the material crushed according to stage a ...

Dry Grinding - NETZSCH Grinding Dispersing

The s-Jet ® System (patent pending) is a new innovation in a line of consistent developments being made in the area of air jet milling. Final finenesses in the submicron range (example: d 50 0.2 µm) can now be achieved with fluidized bed jet mills. As opposed to conventional dry grinding processes with fluidized bed jet mills, the s-Jet ® System uses superheated steam as its milling gas.

Best Wheel For General Dry Grinding -

2020-4-12  Norton 1963 patent 3646713 This is the 32A abrasive Norton 1986 patent 4623364 This is the seeded gel process. It appears that Norton stumbled on this process by accident. The seeding crystals required for producing the abrasive originate from the alumina grinding balls used to mill the gel. The crystal size is 0.4 microns.

DRY GRINDING ATTRITORS - Union Process Inc

2019-9-26  Model SD-200 Dry Grinding Attritors with ASME coded cooling water jackets for special closed loop cooling system. Union Process SD Dry Grind Attritors are ruggedly built machines with specially designed, two-speed, high starting torque motors. ... 5,199,656 and other pending patent applications as well as corresponding and .

Dry Grinding - NETZSCH Grinding Dispersing

The s-Jet ® System (patent pending) is a new innovation in a line of consistent developments being made in the area of air jet milling. Final finenesses in the submicron range (example: d 50 0.2 µm) can now be achieved with fluidized bed jet mills. As opposed to conventional dry grinding processes with fluidized bed jet mills, the s-Jet ® System uses superheated steam as its milling gas.

Comparison of Wet and Dry Grinding in

Dry grinding and classification circuit: (a) Idea of the circuit: 1-feed stream, 2-mill working chamber, 3-working area with ferromagnetic rods, 4-main transport air stream, 5-mills output stream ...

Method for the production of carbonates by wet

A method for the production of natural and/or synthetic carbonates, and more particularly calcium carbonates, with a high BET/N.sub.2 specific surface area of over 20 m.sup.2 /g, and more particularly of between 20 to 50 m.sup.2 /g, utilizes an inherently known mill such as an agitating ball mill. The carbonates in an aqueous suspension are wet ground and the entire suspension is recirculated ...

dry calcium carbonate grinding - Mine Equipments

Dry grinding of calcium carbonate was performed at a mass ratio of calcium carbonate / balls: 1/3. DLS analysis. DLS analysis. Calcium carbonate powder making plant - Ore Grinder The process for fine ground and ultrafine ground calcium carbonate produced in a ultrafine dry grinding mill in closed circuit with a high efficiency air classifier.

US Patent for Grinding balls and their manufacturing ...

CROSS-REFERENCE TO RELATED PATENT APPLICATION. This patent application is the National Stage of International Application No. PCT/BE2005/000016 filed Feb. 7, 2005, which claims the benefit of EP 04447035.9 filed Feb. 10, 2004, the teachings and disclosure of which are hereby incorporated in their entireties by reference thereto.

dry grinding beneficiation process for iron ore

beneficiation of iron ore - ethesis - National Institute of Technology ... Proposal of methods for beneficiation of iron ore slimes. ... Dry screening into lumps and fines is practised for high quality flaky ore and blue dust, because, .... long spindle, carrying a hard steel conical grinding element, the

Dry Ball Mill, Dry Grinding, Dry Grinder, Dry Grinding ...

4. Overflow dry ball mill and grid dry ball mill can be selected according to the ore property and discharge way; 5. The output material after the dry grinding is the qualified material; 6. Dry ball mill can be divided into levorotary type and dextral type according to the grinding process; 7.

Dry Ball Mill, Dry Grinding, Dry Grinder, Dry Grinding ...

4. Overflow dry ball mill and grid dry ball mill can be selected according to the ore property and discharge way; 5. The output material of dry ball mill after the dry grinding is the qualified material; 6. Dry ball mill can be divided into levorotary type dry ball mill and dextral type dry ball mill according to the grinding

METHOD AND DEVICE FOR MECHANICAL DRY

The invention relates to a method and device for mechanical dry extraction and grinding of organic raw materials, preferably oil seeds and animal bones. The inventive method is characterised by a continuous execution of different steps such as grinding, pressing, substance separation and co-ordination of organic raw materials to be treated.

Dry Grinding Mill - High Density Bed Jet Mill

The increasing interest in finer, dry products has led to the development of economical dry-grinding processes down to the submicron range. The s-Jet® System (patent pending) is a new innovation in a line of consistent developments being made in the area of air jet milling.

Open Repository of National Natural Science Foundation of ...

2016-12-8  Grinding Model and Material Removal Mechanism of Medical Nan... Investigation into the Formation Mechanism and Distribution ... Experimental Evaluation of MoS2 Nanoparticles in Jet MQL Gri... Evaluation of minimum quantity lubrication grinding with nano ...

Peanut butter - Wikipedia

  中文网页

2020-5-6  Peanut butter is a food paste or spread made from ground, dry-roasted peanuts. It often contains additional ingredients that modify the taste or texture, such as salt, sweeteners, or emulsifiers. Peanut butter is popular in many countries. The United States[1] is a leading exporter of peanut butter and itself consumes $800 million of peanut ...

Ball Mill, Grinding Mill, Ball Mill Manufacturers, Ball ...

Dry Ball Mill 【Introduction】: Dry ball mill is a grinding equipment used to deal with dry materials. 【 Capacity 】: 0.25-100t/h 【Improvement】: Xinhai dry ball mill is horizontal type and tubular running device, which has two warehouses. This dry grinding machine is grid

INSTANTANEOUS GRINDING DRY PROCESS FOR

INSTANTANEOUS GRINDING DRY PROCESS FOR RICULTURAL PRODUCTS (PAT - KR20050067593) YUN JONG HAK. YUN JONG HAK. Patent: Examined Patent Application - Republic of Korea. Application: KR20030098583 on 2003-12-29. Publication: 2005-07-05. Abstract. Highlight Terms No biological terms identified No abstract supplied. Priority number: ...

Iron ore concentration process with grinding circuit,

WO 2014/063211 PCT/BR2013/000411 1 IRON ORE CONCENTRATION PROCESS WITH GRINDING CIRCUIT, DRY DESLIMING AND DRY OR MIXED (DRY AND WET) CONCENTRATION This application claims priority from U.S. Patent Application No. 61/719,143, titled "Specification for Iron Ore (Itabirite) Concentration Process 5 with Milling Circuit and Dry Desliming and Dry or Wet Concentration", filed

Comparison of Wet and Dry Grinding in

Comparison of dry and wet grinding process in an electromagnetic mill is presented in this paper. The research was conducted in a batch copper ore grinding. Batch mode allows for precise parametrization and constant repetitive conditions of the experiments. The following key aspects were tested: processing time, feed size, size of the grinding media, mass of the material and graining media ...

Innovations in Abrasive Products for Precision Grinding_图文 ...

2011-6-12  Innovations in Abrasive Products for Precision Grinding J. Webster (1), Saint Gobain Abrasives, USA M. Tricard (3), QED Technologies, USA Abstract This paper is a review of recent developments in the design and manufacture of precision, fixed-abrasive ...

(PDF) FEASIBILITY OF DRY HIGH PRESSURE GRINDING

The grinding by HPGR and dry classification alone, without the requirement for a final ball mill grinding stage downst ream, may provide a me an s to fu rther reduce operating c ost and energy ...

dry grinding beneficiation process for iron ore

Patent US3672579 Process for beneficiating magnetite iron ore A process for upgrading lowgrade magnetitecontaining iron ore with About 90 percent or more of the tailing is discarded dry without fine grinding, in the accompanying drawing which is a schematic flow sheet of the beneficiation process.

Corn Milling: Wet vs. Dry Milling - AMG Engineering

2020-5-2  Corn wet milling and dry milling are the predominant methods of processing and each method produces distinct co-products. The Corn Wet-Milling Process. The Corn wet-milling process is designed to extract the highest use and value from each component of the corn kernel. The process begins with the corn kernels being soaked in large tanks called ...

KRUPS GX332850 Silent Vortex Electric Grinder for

INNOVATIVE TECHNOLOGY: Patent Pending Vortex Spin Technology pulls ingredients into the blades for fast and efficient grinding. VERSATILITY: 3-in-1 Grinder for coffee, spices, and dry herbs. Effortlessly grinds whole coffee beans, hard spices like whole peppercorns, and dry herbs for flavorful meals.