RO114566B1 - Process for producing high siliceous sands - Google Patents
Process for producing high siliceous sandsInfo
- Publication number
- RO114566B1 RO114566B1 RO98-00287A RO9800287A RO114566B1 RO 114566 B1 RO114566 B1 RO 114566B1 RO 9800287 A RO9800287 A RO 9800287A RO 114566 B1 RO114566 B1 RO 114566B1
- Authority
- RO
- Romania
- Prior art keywords
- removal
- range
- magnetic separation
- sand
- classification
- Prior art date
Links
Landscapes
- Silicon Compounds (AREA)
Abstract
Invenţia se referă la un procedeu de obţinere a unor nisipuri silicioase superioare, destinate fabricării sticlei şi ceramicii fine. Procedeul conform invenţiei are ca scop final, principal, încadrarea produsului finit, silicios, în intervalul granulometric 0,1...0,63 mm şi îndepărtarea impurificatorilor de natură calcaroasă, argiloasă, feruginoasă, precum şi a metalelor rare. Eliminarea, din nisipul brut, a granulelor mai mici de 0,1 mm se realizează prin clasare simptotică repetată, utilizând clasoare mecanice cu spirală şi hidrocicloane, iar eliminarea granulelor mai mari de 0,63 mm se face prin clasare volumetrică repetată, folosind site vibrante. Indepărtarea substanţelor impurificatoare din nisipul preparat conform invenţiei se execută atât simultan, cu eliminarea fracţiunilor granulometrice din afara intervalului 0,1...0,63 mm, cât şi prin operaţii specifice: separarea magnetică umedă în câmp slab, separarea gravitaţională pe jgheaburi elicoidale şi separarea magnetică uscată, în câmp puternic.The invention relates to a process for obtaining higher silica sands, for the manufacture of glass and fine ceramics. The process according to the invention has as the main final purpose the framing of the finished silicon product in the range of 0.1 ... 0.63 mm and the removal of impurities of calcareous, clayey, ferruginous nature, as well as of rare metals. The removal of granules smaller than 0,1 mm from the sand is made by repetitive symmetrical classification using spiral and hydrocyclone spools and the removal of granules larger than 0,63 mm is done by repeated volumetric classification using vibrating screens . The removal of the contaminants from the sand prepared according to the invention is carried out simultaneously with the elimination of granulometric fractions outside the range 0.1 ... 0.63 mm and by specific operations: wet magnetic separation in the weak field, gravitational separation on the helical trays and dry magnetic separation in strong field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO98-00287A RO114566B1 (en) | 1998-02-19 | 1998-02-19 | Process for producing high siliceous sands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO98-00287A RO114566B1 (en) | 1998-02-19 | 1998-02-19 | Process for producing high siliceous sands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO114566B1 true RO114566B1 (en) | 1999-06-30 |
Family
ID=64357531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO98-00287A RO114566B1 (en) | 1998-02-19 | 1998-02-19 | Process for producing high siliceous sands |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO114566B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572332A (en) * | 2018-03-26 | 2019-10-02 | Cde Global Ltd | Method and apparatus for grading and washing sand |
-
1998
- 1998-02-19 RO RO98-00287A patent/RO114566B1/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572332A (en) * | 2018-03-26 | 2019-10-02 | Cde Global Ltd | Method and apparatus for grading and washing sand |
| WO2019185489A1 (en) * | 2018-03-26 | 2019-10-03 | Cde Global Limited | Method and apparatus for grading and washing sand |
| GB2572332B (en) * | 2018-03-26 | 2021-06-16 | Cde Global Ltd | Apparatus for grading and washing sand |
| US11364507B2 (en) | 2018-03-26 | 2022-06-21 | Cde Global Limited | Method and apparatus for grading and washing sand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004071975A3 (en) | Methods of making glass- ceramic particles | |
| WO2005066097A3 (en) | Alumina-yttria particles and methods of making the same | |
| HUP0402415A3 (en) | Method for large scale production of virus antigen | |
| EA200000185A1 (en) | METHOD OF MAKING ABRASIVE GRAINS AND ABRASIVE GRAINS MADE BY THIS METHOD | |
| FR2820737B1 (en) | PROCESS FOR PRODUCING CARBON COMPOSITE / SILICON CARBIDE | |
| DE59505870D1 (en) | Process for the production of ceramic components from silicon carbide | |
| NO20014148A (en) | Method for removing contaminants from silicon-containing residues | |
| RO114566B1 (en) | Process for producing high siliceous sands | |
| NO20022766L (en) | Process for separating a machining suspension into fractions | |
| FI97396C (en) | Method for the production of nickel fine stone from nickel-containing raw materials at least partially pyrometallurgically processed | |
| EP1445261A4 (en) | Process for producing concentrated/purified protein using clay mineral composition | |
| IL154040A0 (en) | Method for purifying 2-chloro-5-chloromethyl thiazole | |
| CN100387347C (en) | Purification of attapulgite and preparation process of supermicropowders body | |
| DE69513804D1 (en) | A machine for shaping and dressing blanks from materials such as glass, stone and marble, ceramic tiles and the like | |
| WO2003039829A3 (en) | Device and method for the mechanical processing of stones, in particular paving stones | |
| CN1176851A (en) | Method for obtg. quartz sands by dressing mud and sand deposited on river bed | |
| WO2002038545A3 (en) | Crystalline ethanolate solvate form of zafirlukast, process for manufacture and pharmaceutical compositions thereof | |
| SU903337A1 (en) | Raw mixture for producing silicate articles | |
| JPS56130238A (en) | Method for dressing feldspar concentrate from weathered granite | |
| CN116393242A (en) | Quartz sand deep purification method | |
| UA32290A (en) | Preparation process of coal filtering material | |
| Ay et al. | EFFECT OF QUARTZ ON THE PROPERTIES OF GRANITE | |
| Paik et al. | A Study on Hydration Heat Properties and Strength Properties of High Volume Fly-Ash Concrete | |
| RU2002123949A (en) | METHOD FOR PRODUCING LARGE-GRAIN ALUMINUM HYDROXIDE | |
| Synek | FOCUS ON CZECH RAW MATERIALS SUPPLIERS |