FR2651045A1 - Method and device for recovering stocks of coal fly-ash - Google Patents
Method and device for recovering stocks of coal fly-ash Download PDFInfo
- Publication number
- FR2651045A1 FR2651045A1 FR8910972A FR8910972A FR2651045A1 FR 2651045 A1 FR2651045 A1 FR 2651045A1 FR 8910972 A FR8910972 A FR 8910972A FR 8910972 A FR8910972 A FR 8910972A FR 2651045 A1 FR2651045 A1 FR 2651045A1
- Authority
- FR
- France
- Prior art keywords
- pulp
- ash
- vortex
- storage
- functional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010881 fly ash Substances 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims abstract description 9
- 239000002956 ash Substances 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 239000011396 hydraulic cement Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000008346 aqueous phase Substances 0.000 claims abstract description 3
- 238000002485 combustion reaction Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000001033 granulometry Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000011440 grout Substances 0.000 description 8
- 239000004568 cement Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000007237 Aegopodium podagraria Nutrition 0.000 description 1
- 244000045410 Aegopodium podagraria Species 0.000 description 1
- 235000014429 Angelica sylvestris Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8910972A FR2651045A1 (en) | 1989-08-17 | 1989-08-17 | Method and device for recovering stocks of coal fly-ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8910972A FR2651045A1 (en) | 1989-08-17 | 1989-08-17 | Method and device for recovering stocks of coal fly-ash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2651045A1 true FR2651045A1 (en) | 1991-02-22 |
| FR2651045B1 FR2651045B1 (enrdf_load_stackoverflow) | 1991-12-06 |
Family
ID=9384765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8910972A Granted FR2651045A1 (en) | 1989-08-17 | 1989-08-17 | Method and device for recovering stocks of coal fly-ash |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2651045A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2855990A1 (fr) * | 2003-06-13 | 2004-12-17 | Electricite De France | Procede pour valoriser des cendres silico-alumineuses et barriere d'etancheite obtenue par ce procede |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1217064A (fr) * | 1958-11-19 | 1960-05-02 | Procédé de mise en pâte active, éliminant tout risque de silicose, pour la manutention, le transport, le stockage, et l'affinage éventuel, de cendres volantes et autres pouzzolanes destinées à la fabrication directe de ciments et bétons | |
| DE1571553A1 (de) * | 1966-09-10 | 1971-01-07 | Ytong Ag | Verfahren und Vorrichtung zur Durchfeuchtung von fuer die Gasbetonherstellung als Zuschlagstoff dienender Flugasche in einem Behaelter |
| EP0060313B1 (en) * | 1981-03-17 | 1984-07-25 | Zaklady Energetyczne Okregu Poludniowego | A method of preparing a suspension of fly ashes in water and a system of devices for production and pipe transport of this suspension |
| EP0146912A2 (en) * | 1983-12-19 | 1985-07-03 | Zaklady Produkcji Urzadzen Mechanicznych im. Janka Krasickiego "ELWO" | A method of producing a suspension of fly-ashes in water and an installation for realisation of this method |
-
1989
- 1989-08-17 FR FR8910972A patent/FR2651045A1/fr active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1217064A (fr) * | 1958-11-19 | 1960-05-02 | Procédé de mise en pâte active, éliminant tout risque de silicose, pour la manutention, le transport, le stockage, et l'affinage éventuel, de cendres volantes et autres pouzzolanes destinées à la fabrication directe de ciments et bétons | |
| DE1571553A1 (de) * | 1966-09-10 | 1971-01-07 | Ytong Ag | Verfahren und Vorrichtung zur Durchfeuchtung von fuer die Gasbetonherstellung als Zuschlagstoff dienender Flugasche in einem Behaelter |
| EP0060313B1 (en) * | 1981-03-17 | 1984-07-25 | Zaklady Energetyczne Okregu Poludniowego | A method of preparing a suspension of fly ashes in water and a system of devices for production and pipe transport of this suspension |
| EP0146912A2 (en) * | 1983-12-19 | 1985-07-03 | Zaklady Produkcji Urzadzen Mechanicznych im. Janka Krasickiego "ELWO" | A method of producing a suspension of fly-ashes in water and an installation for realisation of this method |
Non-Patent Citations (1)
| Title |
|---|
| CHEMICAL ABSTRACTS, vol. 92, 1980, page 331, résumé no. 152028c, Columbus, Ohio, US; & RO-A-63 227 (INTREPRINDEREA DE MATERIALE DE CONSTRUCTII, BUZAU) 15-02-1978 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2855990A1 (fr) * | 2003-06-13 | 2004-12-17 | Electricite De France | Procede pour valoriser des cendres silico-alumineuses et barriere d'etancheite obtenue par ce procede |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2651045B1 (enrdf_load_stackoverflow) | 1991-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2632859B1 (fr) | Procede de separation entre liquide et matiere en suspension d'une boue et dispositif mettant en ouvre un tel procede | |
| EP0352192B1 (fr) | Procédé de broyage et compactage d'une matière minérale quelconque et installation pour la mise en oeuvre de ce procédé | |
| FR2922123A1 (fr) | Installation pour la floculation de boues chargees de matieres en suspension, procede mettant en oeuvre l'installation | |
| CN101815582A (zh) | 煤的提选 | |
| EP3307854B1 (fr) | Procede et installation de preparation de biomasse | |
| EP0827421A1 (fr) | Cendres d'origine charbonniere appliquees au traitement de divers milieux et installation de mise en uvre | |
| EP2957549B1 (fr) | Support de culture présentant une disponibilité en eau comparable à une tourbe | |
| CA1138353A (en) | Recovery of coal from coal handling operations | |
| FR2651045A1 (en) | Method and device for recovering stocks of coal fly-ash | |
| FR2502609A1 (fr) | Procede et installation pour le traitement des boues oleagineuses | |
| CN108640448A (zh) | 一种石材加工废水中废料再利用系统及再利用方法 | |
| WO1992003388A1 (fr) | Procede et dispositif pour la reprise des stocks des cendres volantes de charbon | |
| FR2559777A1 (fr) | Procede de production d'un melange de charbon et d'eau, destine notamment a un haut fourneau, une chaudiere ou autres | |
| EP0049677A2 (fr) | Installation de transformation de déchets ligneux, en particulier de déchets de bois, en granulés combustibles de faible diamètre, et granulés obtenus au moyen de cette installation | |
| FR2956990A1 (fr) | Procede et dispositif de traitement des produits lourds issus d'un affinage de dechets provenant d'un traitement biologique. | |
| EP0291425A1 (fr) | Procédé de traitement hydromécanique de déchets organiques pour la préparation de boues fermentescibles et dispositif pour sa mise en oeuvre | |
| CA2560189C (fr) | Procede et systeme de traitement de boues d'epuration | |
| CA3130832A1 (fr) | Procede de broyage de liant hydraulique | |
| CN221732476U (zh) | 除沙装置以及蒸馏醪液处理设备 | |
| FR2625799A1 (fr) | Perfectionnement apporte a la deshydratation et au decendrage des schlamms, moyens de mise en oeuvre et produits en resultant | |
| EP3814016B1 (fr) | Procédé pour dissocier différents constituants d'un béton de déconstruction | |
| WO1995015839A1 (fr) | Procede et dispositif pour l'incorporation dans les matieres premieres d'un beton d'un melange additionnel tout-venant | |
| CN108117901A (zh) | 以垃圾及生物质来生产浆、固体燃料的生产工艺及设备 | |
| WO2022162295A1 (fr) | Procédé et installation de traitement de cendres volantes | |
| CN113173682A (zh) | 一种在亚法甘蔗制糖生产中回收利用滤泥的工艺 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ER | Errata listed in the french official journal (bopi) |
Free format text: 08/91 |