JPH04504163A - 石灰再焼成キルンのための送りシステム - Google Patents
石灰再焼成キルンのための送りシステムInfo
- Publication number
- JPH04504163A JPH04504163A JP2509744A JP50974490A JPH04504163A JP H04504163 A JPH04504163 A JP H04504163A JP 2509744 A JP2509744 A JP 2509744A JP 50974490 A JP50974490 A JP 50974490A JP H04504163 A JPH04504163 A JP H04504163A
- Authority
- JP
- Japan
- Prior art keywords
- lime
- kiln
- recalcination
- lime mud
- mud
- 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
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
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
-
- 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
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
-
- 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
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
- F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
- F27B7/161—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall
- F27B7/162—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall the projections consisting of separate lifting elements, e.g. lifting shovels
- F27B2007/163—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means the means comprising projections jutting out from the wall the projections consisting of separate lifting elements, e.g. lifting shovels using only a ring of lifting elements to lift the charge
-
- 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
- F27B2007/2008—Devices for reintroducing dust in the drum
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
- Furnace Details (AREA)
- Processing Of Solid Wastes (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Weting (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (6)
- 1.石灰マッドをロータリーキルン内へ導入する方法において、石灰マッドが石 灰再焼成キルンから排出される煙道ガスの調整可能部分を含む上方へ運動するガ ス流中に送られることと、前記ガス流中に送られる石灰マッドの少なくとも一部 分が前記石灰再焼成キルンからの煙道ガスによって空気ドライヤ内で乾燥され、 残り部分が前記石灰再焼成キルンの上端または入口端と関連して配置される送り 手段内に落下することと、そして前記ドライヤ内で乾燥された石灰マッドが前記 煙道ガスから分離されそして前記石灰再焼成キルン内に導入されることとを特徴 とする方法。
- 2.請求の範囲第1項に記載される方法において、前記石灰マッドが75%より 高い乾燥固体含量を以て前記ガス流中に送られることを特徴とする方法。
- 3.請求の範囲第1項または第2項に記載される方法において、前記ガス流中に 送られる石灰マッドの50〜100%が空気ドライヤ内で乾燥されることを特徴 とする方法。
- 4.請求の範囲第1項、第2項または第3項に記載される方法において、前記調 整可能ガス流が前記石灰再焼成キルンから排出される煙道ガスの30〜100% を含むことを特徴とする方法。
- 5.請求の範囲第1項から第4項の何れか一つの項に記載される方法を実施する 装置において、仕切壁(8)によって二つの隣接する実質的に垂直の流路(9, 10)に分割されそしてサイクロン(4)に達する乾燥管(3)の実質的に垂直 の部分に結合された上区域(11)を有する送り室(2)であってその下区域( 14)が石灰再焼成キルン(5)の入口または上端に配置された送り手段(12 ,13)を包んでいるものと、前記仕切壁の上部分に配置された制御バッフル( 15)と、隣接する流路(9)から前記送り室内へ石灰マッドを投入するための 送りスクリュー(1)または同等送り手段と、サイクロン(4)内で分離された 乾燥した石灰マッドを前記送り室の下区域内へ導入するための手段(16,17 )とを有することを特徴とする装置。
- 6.請求の範囲第5項に記載される装置において、前記送り手段(12,13) がスコップ手段またはシャベル形の延長部(12)を有する羽根(13)から構 成されそして前記石灰再焼成キルンの入口または上端に取付けられており、前記 羽根が、回転するとき、石灰再焼成キルン内へ石灰マッドを運ぶことを特徴とす る装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI893224 | 1989-07-03 | ||
| FI893224A FI87245C (fi) | 1989-07-03 | 1989-07-03 | Inmatningssystem foer mesaugn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04504163A true JPH04504163A (ja) | 1992-07-23 |
| JP2553771B2 JP2553771B2 (ja) | 1996-11-13 |
Family
ID=8528703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2509744A Expired - Lifetime JP2553771B2 (ja) | 1989-07-03 | 1990-06-28 | 石灰再焼成キルンのための送りシステム |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0480960B1 (ja) |
| JP (1) | JP2553771B2 (ja) |
| AT (1) | ATE119140T1 (ja) |
| CA (1) | CA2063390C (ja) |
| DE (1) | DE69017449T2 (ja) |
| ES (1) | ES2071100T3 (ja) |
| FI (1) | FI87245C (ja) |
| PT (1) | PT94572B (ja) |
| WO (1) | WO1991000251A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006104775A2 (en) * | 2005-03-29 | 2006-10-05 | Kadant Black Clawson Inc. | Method and apparatus for pneumatic drying of lime mud |
| CN104829146B (zh) * | 2015-03-26 | 2017-03-01 | 中国中轻国际工程有限公司 | 一种白泥石灰窑喂料方法及其喂料装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5723662A (en) * | 1980-06-03 | 1982-02-06 | Ugine Kuhlmann | Material and method for protecting material against stain and dirt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE184846C1 (ja) * | 1963-01-01 | |||
| US2796249A (en) * | 1955-04-05 | 1957-06-18 | Western Precipitation Corp | Apparatus for heating finely divided solid material |
| FR1238562A (fr) * | 1958-10-14 | 1960-08-12 | Four avec chambre de combustion rotative | |
| US3603569A (en) * | 1969-12-29 | 1971-09-07 | Kaiser Aluminum & Chemical | Kiln preheat and drying section |
| GB1451057A (en) * | 1973-11-29 | 1976-09-29 | Ass Portland Cement | Atomised kiln feed |
| DE3425099A1 (de) * | 1984-07-07 | 1986-02-06 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Anlage zur behandlung von feinkoernigem gut, insbesondere von zementrohmehl |
| SE460728B (sv) * | 1988-11-17 | 1989-11-13 | Smidth & Co As F L | Foerfarande och anlaeggning vid behandling av mesa |
-
1989
- 1989-07-03 FI FI893224A patent/FI87245C/fi active IP Right Grant
-
1990
- 1990-06-28 WO PCT/FI1990/000172 patent/WO1991000251A1/en not_active Ceased
- 1990-06-28 JP JP2509744A patent/JP2553771B2/ja not_active Expired - Lifetime
- 1990-06-28 AT AT90909734T patent/ATE119140T1/de not_active IP Right Cessation
- 1990-06-28 ES ES90909734T patent/ES2071100T3/es not_active Expired - Lifetime
- 1990-06-28 DE DE69017449T patent/DE69017449T2/de not_active Expired - Fee Related
- 1990-06-28 CA CA002063390A patent/CA2063390C/en not_active Expired - Lifetime
- 1990-06-28 EP EP90909734A patent/EP0480960B1/en not_active Expired - Lifetime
- 1990-07-03 PT PT94572A patent/PT94572B/pt not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5723662A (en) * | 1980-06-03 | 1982-02-06 | Ugine Kuhlmann | Material and method for protecting material against stain and dirt |
Also Published As
| Publication number | Publication date |
|---|---|
| PT94572B (pt) | 1997-05-28 |
| DE69017449T2 (de) | 1995-08-10 |
| FI893224L (fi) | 1991-01-04 |
| WO1991000251A1 (en) | 1991-01-10 |
| FI893224A0 (fi) | 1989-07-03 |
| FI87245C (fi) | 1992-12-10 |
| FI87245B (fi) | 1992-08-31 |
| CA2063390C (en) | 1995-08-08 |
| ES2071100T3 (es) | 1995-06-16 |
| EP0480960B1 (en) | 1995-03-01 |
| JP2553771B2 (ja) | 1996-11-13 |
| PT94572A (pt) | 1992-06-30 |
| DE69017449D1 (de) | 1995-04-06 |
| CA2063390A1 (en) | 1991-01-04 |
| ATE119140T1 (de) | 1995-03-15 |
| EP0480960A1 (en) | 1992-04-22 |
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