TW460331B - Process of removing relatively coarse-grained solids from a stationary fluidized bed - Google Patents
Process of removing relatively coarse-grained solids from a stationary fluidized bed Download PDFInfo
- Publication number
- TW460331B TW460331B TW088111609A TW88111609A TW460331B TW 460331 B TW460331 B TW 460331B TW 088111609 A TW088111609 A TW 088111609A TW 88111609 A TW88111609 A TW 88111609A TW 460331 B TW460331 B TW 460331B
- Authority
- TW
- Taiwan
- Prior art keywords
- fluidized bed
- gas
- conveying pipe
- solids
- spray group
- Prior art date
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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
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/0025—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor by an ascending fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1872—Details of the fluidised bed reactor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Dairy Products (AREA)
- Tea And Coffee (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Water Treatment By Sorption (AREA)
Description
經濟部智慧財產局員工消費合作社印製 4 6 03 3 1 a? ________B7___ 五、發明說明(1 ) 發明説明 本發明係關於一種自固定流動床去除相對粗粒固體之方 法,該流動床包含不同顆粒大小之固體,其中流化氣體係 從底部導入流動床,並經由噴射組分布。 此種固足流動床一般係已知的。其之特徵係有大致明白 界定之床表面,其移動得像,例如,沸騰液體。於流動床 之延伸操作期間,對大顆粒大小之固體堆積在噴射組之上 的床之較低部份,因爲它們不能或難以流化。在許多情形 中,粗顆粒之此種堆積可係令冬不安的,因爲其可,例 如,在流動床中導致不同的固體停留時間,和亦在噴射组 附近導致過熱及燒結。在向下穿過噴射组或向旁邊穿過容 器壁之重力影響下,自設備及控制技術的角度看來,此粗 顆粒之回收須要相當努力。 本發明之主旨係能至少部份且容易地除去堆積在固定流 動床之較低部份的相對粗顆粒固體。根據本發明,在前述 方法中’其之達成係由於藉由使至少一個向上流氣體噴射 流吹入輸送管,和使此等固體氣動地自流動床穿過輸送管 除去’該嘴射流係各別由置於噴射组之上的固體之流化氣 體邵份供應。由於相對粗顆粒固體直接在噴射组之上堆 積,就其係置於輸送管入口開口之直接附近而論,該粗顆 粒固體係與在入口開口附近存在之微細顆粒固體一起穿過 輸送官被吹出流動床。以此方法排出之固體可由使其在流 動床之外篩選,而分成粗顆粒部份和微細顆粒部份,於此 處’例如,微細顆粒部份直接再循環回流動床,而粗顆粒 -4 - 本紙張尺度_中_家標準(CNS)A4規格⑽x 297公髮) Ιί I I —.114— — ! — · -III — — — — ^ >IIIEIil — ^ · 、 (請先閱讀背面之注意事項再填寫本頁) Α7 Β7 五 經濟部中央標隼局員工消費合作杜印製 4 δ 〇3 3 1 第88111609號專利申請案 中文說明書修正頁(9Q年7月) 發明説明(2) 部份首先碾碎或在第二個容器内受到特殊處理 流動床内固體可有任何溫度,顆粒大 至1。毫米範圍内之顆粒大小,但斜C可包括: 絕對大小關。 流化氣體之氣體流速通常位於“幻米/秒範圍内,瑰 在及後文’這些數值係由空管速度來測量—或數個氣靡 噴射流係從在輸送管入口開口之前的底部向上产,其弟 有固體並引導其㈣輸送管,經由其,它鱗開流愈 床。輸送管内氣體流速通常係流動床内流化氣體流速长 至少兩倍高。輸送管内氣體流速一般係流動床内的二5 五倍高。 在流動床内設置單一輸送管可係足夠的,該輸送管具有 至少一個來自底部之連接氣體噴射流,但是可能非常对 的亦係在流動床内的不同地方提供多條輸送管,每一梢 輸送管連接至少一個氣體噴射流。 方法之具體實施例將以參考圖示來解釋,其中: 圖1示出沿圖2之線II-II橫過概要圖中之流動床反應器泛 垂直核斷面。 圖2示出沿線u橫過圖1中例舉說明之反應器之水平榜 斷面。 圖3示出橫過具兩條輸送管之流動床反應器之垂直橫磨 面。 圖式符號簡單說明 -5- 本紙張尺度適用中國國家操準(CNS ) Α4規格(21〇χ297公釐) --------ί--装-----:I 訂」-----'' 線 (請先閱讀背面之注意事項再填寫本頁) 03 3 1 第88111609號專利申請案 中文說明書修正頁(90年7月) A7 B7 五、發明説明(四)
ffh 意義 1 反應器 2 喷射組 3 固定的流動床 4 > 5 管線 6 分配室 8 固體表面 9,1 2 出π 10a, 10b 輸送管 11a5 lib 入口開口 13 垂直氣體管線 I 5 上方彎部 圖1和2中例舉說明之反應器1有在喷射組2之上的固定 流動床3 =不同顆粒大小之固體係經由管線4裝填入反應 器,而流化氣體係經由管線5供應。在流化氣體流經噴射 n !- ^^^1 n . - —in ^^^1 1· .- -- ^ ^ (請先閲讀背面之注意事項再填寫本頁) 經濟部_夹棹準局員工消费合作社印装 本紙張尺度適用中國國家標率(CNS ) A4说格(2丨〇'〆2们公釐) A7 4 6 03 31 _—____B7 _____ 五、發明說明(3 ) 組2進入流動床3之前,其首先進入分配室6。流動床有固 體表面8,經由其,氣體以向上方向逸散,其中攜有一定 量微細顆粒固體。氣體係經由出口 9離開反應器,並供 給,例如,此處未示出之除塵作用。 參見圖1和2,在反應器1之器壁處,備有輸送管1〇,其 有入口開口 1 1及出口丨2。入口開口丨丨以垂直距離(3)位於 噴射组2之上,其中⑷通常係1 〇至5〇〇毫米。在輸送管1 〇 之下且亦直接在噴射組2之下,備有垂直管線13,經由 其’以此處未示出之方式,氣武噴射流從底部向上經由入 口開口 1 1吹入輸送管【〇 ^管線丨3之頂部末端約在喷射組2 之水平處置放,以致來自流動床3之固體固定流入氣體噴 射流影響範圍内,其攜帶固體進入輸送管1〇並至出口 1 2。可能最好的係將經由出口丨2而來之固體(其係相對粗 顆粒的)供給粉碎作用或供給未示出之第二個流動床。含 在固體中之微細顆粒可先篩選出。 - 反應益之流動床中設置之輸送管數量可如須要選擇。在 圖3中,示出兩條輸送管1〇a和1〇b,其各別連接氣體管線 13a和13b。輸送管10a稍微朝向頂部傾斜,且其突出流動床 之表面8。另一方面,輸送管i 〇b之上部彎曲1 $位在稍微 低於其表面8的流動床内。圖3中所示之兩條輸送管之入口 開口 11&和1 lb朝向底部稍微向外開展,但是其不是絕對必 須的。圖剩餘參考數字有已經與圖丨和圖2同時解釋過 之意義。 實例: -6 - 本紙張尺度_中關家標if(CNS)A4規格(21Qx 297公 1-|!|| ||^|||||> * I I I I t I I { V (請先閱讀背面之注意事項再填寫本頁) . 經濟部智慧財產局員工消費合作社印5衣 A7 4 6 03 3 1 五、發明說明(4 ) 將1125公斤/小時石英砂裳填入連續性接从.. 器,其係根據圖1和2設計。^舌喜。 作流動床反肩 y 〇重量%砂的 至〇·4毫米,1 〇重量%砂的顆粒 —m 士局〇. 組2之表面積爲4.2米2,床之合度^ fi5至2,2毫米。噴剖 的,使用空氣,其在床附爲流化之目 &迷度馬〇 .2米/秒。在孔 口 Η附近,經由管線13供給輸送管^之空氣之々管速度 爲〇.…秒。輸送管之橫截面積爲166公分2,其距喷射= 疋距離(a)爲100毫米。 在4小時之操作期間,經由輸提管吹出之砂收集在容器 内。該砂之總量爲270公斤,其中18〇公斤卜66 7重量%)^ 0.5-2.2毫米之顆粒大小,以至於較佳地,粗顆粒固體已排 出。 lilll.JI^—1 — ιι — - I I I I I I I — — — — — — III (請先間讀背面之注意事項再填寫本頁) ' · 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐
Claims (1)
- 利範圍修正本a、纪丨修正90.7. 13 六、申請專利範圍 AS B8 ,L 一種自含不同顆粒大小之㈣的固定流動床去除㈣ 固體(万法,其中流化氣體係從底部導入流動床, 經由噴射組分配’其中—輸送管係位於喷射组 流動床中’在輸送管中,—導人輸送管之噴射流 地向上經由輸送管攜帶固體並自流動床中除去,t 徵為輸送管(10,10a,10b)之入口開口(11,Ua ’ 1 lb)係在噴射组(2)上方I 〇至5 00毫米’而—垂直氣 體管線(1 3 )係在入口開口下方一段距離’且該氣體管 線之頂部末端約在噴射组之水平處置放,及藉由從氣 體管線(1 3 )進入輸送管之入口開口的氣體噴射流,粗 粒固體可較佳地以氣動方式經由輸送管而從流動床中 排出,和輸送管中氣體速度係流動床中流化氣體之速 度的至少兩倍,及此固體被向上供應至輸送管之彎曲 處(15)然後再向下至出口(12)。 2.根據申凊專利範圍第1項之方法,其中經由輪送管,從 流動床排出之固體係導入第二個流動床D f請先閲讀背面之注意事項再填寫本頁} S、τ 經濟部中央標隼局貝工消费合作社印製 本紙張尺度逋用中國囷家揉準< CNS ) A4規格(210 X 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19830697A DE19830697C2 (de) | 1998-07-08 | 1998-07-08 | Verfahren zum Entfernen von relativ grobkörnigen Feststoffen aus einem stationären Wirbelbett |
Publications (1)
Publication Number | Publication Date |
---|---|
TW460331B true TW460331B (en) | 2001-10-21 |
Family
ID=7873464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW088111609A TW460331B (en) | 1998-07-08 | 1999-09-17 | Process of removing relatively coarse-grained solids from a stationary fluidized bed |
Country Status (13)
Country | Link |
---|---|
US (1) | US6688474B1 (zh) |
EP (1) | EP1098695B1 (zh) |
AT (1) | ATE228881T1 (zh) |
AU (1) | AU743276B2 (zh) |
BR (1) | BR9911888B1 (zh) |
CA (1) | CA2325483C (zh) |
DE (2) | DE19830697C2 (zh) |
ES (1) | ES2187168T3 (zh) |
MY (1) | MY124611A (zh) |
SA (1) | SA99200029B1 (zh) |
TW (1) | TW460331B (zh) |
WO (1) | WO2000002654A1 (zh) |
ZA (1) | ZA994439B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003106640A2 (en) | 2002-06-14 | 2003-12-24 | Case Western Reserve University | Cell targeting methods and compositions |
CA2560544C (en) | 2004-01-16 | 2015-05-19 | Carnegie Mellon University | Cellular labeling for nuclear magnetic resonance techniques |
US8263043B2 (en) | 2006-04-14 | 2012-09-11 | Carnegie Mellon University | Cellular labeling and quantification for nuclear magnetic resonance techniques |
CA2693678C (en) | 2007-07-10 | 2017-02-14 | Carnegie Mellon University | Compositions and methods for producing cellular labels for nuclear magnetic resonance techniques |
WO2017147212A1 (en) | 2016-02-22 | 2017-08-31 | The Regents Of The University Of California | Compositions and methods for imaging cell populations |
US11865185B2 (en) | 2016-06-09 | 2024-01-09 | Centre National De La Recherche Scientifique (Cnrs) | RAAV with chemically modified capsid |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US923455A (en) * | 1902-05-19 | 1909-06-01 | Albert H Stebbins | Method for concentrating ores. |
US1029089A (en) * | 1911-08-12 | 1912-06-11 | Philip R Stanhope | Ore-concentrating launder. |
US1291137A (en) * | 1916-09-18 | 1919-01-14 | Charles J Reed | Process of and apparatus for grading solid materials. |
US1801195A (en) * | 1927-10-31 | 1931-04-14 | Hydrotator Company | Process of and apparatus for separating mixed materials |
GB622864A (en) * | 1947-04-09 | 1949-05-09 | Edward John Challis | Improvements in and relating to the handling of particulate materials |
DE942732C (de) * | 1952-11-16 | 1956-05-09 | Kloeckner Humboldt Deutz Ag | Pneumatischer Umlaufmischer fuer staubfoermige oder feinkoernige Stoffe |
DE1078548B (de) * | 1957-11-15 | 1960-03-31 | United States Steel Corp | Austragvorrichtung fuer Wirbelschichtreaktoren |
FR1475744A (fr) * | 1966-01-19 | 1967-04-07 | Heurtey Sa | Procédé de mise en mouvement des matières pulvérulentes constituant un lit fluidisé et appareillages permettant la mise en oeuvre de ce procédé |
US3366080A (en) * | 1966-12-08 | 1968-01-30 | Dorr Oliver Inc | Fluidized bed combustion system |
CH522451A (de) * | 1970-04-29 | 1972-06-30 | Buehler Ag Geb | Verfahren und Vorrichtung zum Behandeln von körnigem Schüttgut |
FR2159182A1 (en) * | 1971-11-08 | 1973-06-22 | Tunzini Sames | Pneumatic conveyor injector - for powder particularly for electrostatic coating |
FR2374950A1 (fr) * | 1976-12-23 | 1978-07-21 | Saint Gobain | Refroidissement de produits solides pulverulents |
US4908124A (en) * | 1982-09-20 | 1990-03-13 | Combustion Power Company | Method and apparatus for removing foreign objects from fluid bed systems |
JP2618836B2 (ja) * | 1994-09-08 | 1997-06-11 | 川崎重工業株式会社 | セメントクリンカの焼成方法及び焼成装置 |
-
1998
- 1998-07-08 DE DE19830697A patent/DE19830697C2/de not_active Expired - Fee Related
-
1999
- 1999-04-25 SA SA99200029A patent/SA99200029B1/ar unknown
- 1999-07-01 US US09/700,358 patent/US6688474B1/en not_active Expired - Fee Related
- 1999-07-01 AT AT99931225T patent/ATE228881T1/de not_active IP Right Cessation
- 1999-07-01 BR BRPI9911888-2A patent/BR9911888B1/pt not_active IP Right Cessation
- 1999-07-01 AU AU47802/99A patent/AU743276B2/en not_active Ceased
- 1999-07-01 EP EP99931225A patent/EP1098695B1/de not_active Expired - Lifetime
- 1999-07-01 CA CA002325483A patent/CA2325483C/en not_active Expired - Fee Related
- 1999-07-01 ES ES99931225T patent/ES2187168T3/es not_active Expired - Lifetime
- 1999-07-01 DE DE59903667T patent/DE59903667D1/de not_active Expired - Lifetime
- 1999-07-01 WO PCT/EP1999/004526 patent/WO2000002654A1/de active IP Right Grant
- 1999-07-07 MY MYPI99002857A patent/MY124611A/en unknown
- 1999-07-08 ZA ZA9904439A patent/ZA994439B/xx unknown
- 1999-09-17 TW TW088111609A patent/TW460331B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2000002654A1 (de) | 2000-01-20 |
SA99200029B1 (ar) | 2006-06-12 |
ATE228881T1 (de) | 2002-12-15 |
DE19830697C2 (de) | 2001-06-07 |
CA2325483C (en) | 2007-11-20 |
EP1098695A1 (de) | 2001-05-16 |
BR9911888A (pt) | 2001-03-27 |
DE19830697A1 (de) | 2000-01-13 |
AU4780299A (en) | 2000-02-01 |
AU743276B2 (en) | 2002-01-24 |
EP1098695B1 (de) | 2002-12-04 |
ES2187168T3 (es) | 2003-05-16 |
DE59903667D1 (de) | 2003-01-16 |
BR9911888B1 (pt) | 2009-12-01 |
MY124611A (en) | 2006-06-30 |
US6688474B1 (en) | 2004-02-10 |
CA2325483A1 (en) | 2000-01-20 |
ZA994439B (en) | 2001-01-08 |
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