RO82959B - Procedeu si instalatie pentru obtinerea cimentului - Google Patents
Procedeu si instalatie pentru obtinerea cimentuluiInfo
- Publication number
- RO82959B RO82959B RO107143A RO10714382A RO82959B RO 82959 B RO82959 B RO 82959B RO 107143 A RO107143 A RO 107143A RO 10714382 A RO10714382 A RO 10714382A RO 82959 B RO82959 B RO 82959B
- Authority
- RO
- Romania
- Prior art keywords
- calciner
- separator
- raw
- raw meal
- preheating
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000004568 cement Substances 0.000 title abstract 3
- 238000009434 installation Methods 0.000 title abstract 2
- 235000012054 meals Nutrition 0.000 abstract 5
- 238000001354 calcination Methods 0.000 abstract 4
- 235000013312 flour Nutrition 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 2
- 239000008187 granular material Substances 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000004503 fine granule Substances 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2041—Arrangements of preheating devices for the charge consisting of at least two strings of cyclones with two different admissions of raw material
- F27B7/2058—Arrangements of preheating devices for the charge consisting of at least two strings of cyclones with two different admissions of raw material with precalcining means on each string
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/434—Preheating with addition of fuel, e.g. calcining
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Furnace Details (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
Inventia se refera la un procedeu si o instalatie pentru obtinerea cimentului, la care faina bruta se calcineaza dupa o preîncalzire în cel putin doua trepte cu aport de caldura, înainte de arderea ei într-un cuptor. Procedeul pentru obtinerea cimentului la care, faina bruta se calcineaza dupa o preîncalzire în cel putin doua trepte cu aport de caldura, se caracterizeaza prin aceea ca, în scopul asigurarii unei cantitati suplimentare de combustibil pentru calcinarea fainii brute, apropiate de cantitatea necesara, functie de proportia în care se gasesc diferitele marimi de particule în faina bruta, se separa înaintea fiecarei trepte urmatoare, în directia curentului de faina bruta cu granulatie mai fina., dirijîndu-se apoi spre cuptor. Instalatia pentru trealizarea procedeului, conform inventiei, se compune dintr-un calcinator, un separator pentrufaina bruta calcinata dispus în curentul de gaze ce ies din calcinator si legat de un cuptor rotativ si dintr-un schimbator de caldura cu mai multe trepte aentru faina bruta, încalzit cu gazele arse care ies din cuptorul rotativ si din calcinator. Instalatia se caracterizeaza prin aceea ca separatorul de faina bruta dintre unitatile de calcinare este constituit ca separator de granule mari, avînd conducta de evacuare legata cu a doua unitate de calcinare dispusa în continuare, în sensul fluxului de faina bruta, iar conducta de evacuare a gazelor este legata cu un separator de granule fine, separatorul de granule mari este montat dupa prima unitate de calcinare.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT199781A AT369720B (de) | 1981-05-06 | 1981-05-06 | Verfahren und vorrichtung zum kalzinieren von rohmehl, insbesondere fuer die zementherstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO82959A RO82959A (ro) | 1984-01-14 |
| RO82959B true RO82959B (ro) | 1984-01-30 |
Family
ID=3525598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO107143A RO82959B (ro) | 1981-05-06 | 1982-04-02 | Procedeu si instalatie pentru obtinerea cimentului |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0064489B1 (ro) |
| AT (1) | AT369720B (ro) |
| CS (1) | CS250215B2 (ro) |
| DD (1) | DD201669A5 (ro) |
| DE (1) | DE3260345D1 (ro) |
| DK (1) | DK151376C (ro) |
| ES (1) | ES511784A0 (ro) |
| PL (1) | PL130594B1 (ro) |
| RO (1) | RO82959B (ro) |
| YU (2) | YU43639B (ro) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT381694B (de) * | 1985-01-11 | 1986-11-10 | Voest Alpine Ag | Verfahren und vorrichtung zur thermischen behandlung von feinkoernigem gut, insbesondere zum brennen von zementrohmehl |
| AT405513B (de) * | 1998-02-12 | 1999-09-27 | Oemag Montananlagenbau Gmbh | Verfahren und anlage zum brennen von pulverförmigem rohmaterial |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2724654C2 (de) * | 1977-06-01 | 1984-01-26 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und Einrichtung zum Brennen von feinkörnigem bis staubförmigem Gut, insbesondere von Zementrohmehl |
-
1981
- 1981-05-06 AT AT199781A patent/AT369720B/de not_active IP Right Cessation
-
1982
- 1982-02-23 EP EP82890027A patent/EP0064489B1/de not_active Expired
- 1982-02-23 DE DE8282890027T patent/DE3260345D1/de not_active Expired
- 1982-03-17 YU YU58682A patent/YU43639B/xx unknown
- 1982-03-19 DD DD23830382A patent/DD201669A5/de not_active IP Right Cessation
- 1982-04-02 RO RO107143A patent/RO82959B/ro unknown
- 1982-04-16 CS CS274882A patent/CS250215B2/cs unknown
- 1982-04-28 ES ES511784A patent/ES511784A0/es active Granted
- 1982-05-04 PL PL23628282A patent/PL130594B1/pl unknown
- 1982-05-05 DK DK200982A patent/DK151376C/da not_active IP Right Cessation
-
1984
- 1984-08-28 YU YU146984A patent/YU146984A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU58682A (en) | 1984-12-31 |
| YU43639B (en) | 1989-10-31 |
| PL236282A1 (en) | 1983-01-03 |
| DE3260345D1 (en) | 1984-08-16 |
| EP0064489B1 (de) | 1984-07-11 |
| DK151376B (da) | 1987-11-30 |
| AT369720B (de) | 1983-01-25 |
| CS250215B2 (en) | 1987-04-16 |
| EP0064489A1 (de) | 1982-11-10 |
| RO82959A (ro) | 1984-01-14 |
| YU146984A (en) | 1988-04-30 |
| DK151376C (da) | 1988-07-18 |
| DK200982A (da) | 1982-11-07 |
| ES8305219A1 (es) | 1983-04-01 |
| PL130594B1 (en) | 1984-08-31 |
| DD201669A5 (de) | 1983-08-03 |
| ATA199781A (de) | 1982-06-15 |
| ES511784A0 (es) | 1983-04-01 |
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