SE462217B - Method and arrangement for the discharge of granular material from a pressurized container - Google Patents
Method and arrangement for the discharge of granular material from a pressurized containerInfo
- Publication number
- SE462217B SE462217B SE8803599A SE8803599A SE462217B SE 462217 B SE462217 B SE 462217B SE 8803599 A SE8803599 A SE 8803599A SE 8803599 A SE8803599 A SE 8803599A SE 462217 B SE462217 B SE 462217B
- Authority
- SE
- Sweden
- Prior art keywords
- feeder
- container
- gas
- gas separator
- pipe
- Prior art date
Links
Classifications
-
- 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
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/16—Fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
Abstract
Description
462 217 UPPFINNINGEN Enligt uppfinningen utmatas kornformigt material från en första högre belägen behållare som står under tryck till en andra lägre behållare via ett företrädesvis vertikalt rör i vilket det kornformiga materialet bildar en pelare och en mängdreglerande materialmatare. Uppströms denna material- matare avskiljes gas som från den första behållaren strömmar genom mate- rialpelaren. I en by-pass ledning ledes den avskilda gasen förbi material- mätaren . THE INVENTION According to the invention, granular material is discharged from a first higher-lying container under pressure to a second lower container via a preferably vertical tube in which the granular material forms a pillar and a quantity-regulating material feeder. Upstream of this material feeder, gas is separated which flows from the first container through the material column. In a by-pass line, the separated gas is led past the material meter.
Det är ur drift- och säkerhetssynpunkt ofta lämpligt att utmata materialet via ett första rör från den första behållaren, en första gasavskiljare och ett andra utmatningsrör mellan den första materialmataren och en andra gasavkiljare och nedströms denna en andra materialmatare.From an operational and safety point of view, it is often convenient to discharge the material via a first pipe from the first container, a first gas separator and a second discharge pipe between the first material feeder and a second gas separator and downstream of this a second material feeder.
Trycket på materialmatarens uppströms- och nedströmssida blir genom by-pass ledningen i stort sett lika och en enkel cellmatare kan användas.The pressure on the upstream and downstream side of the material feeder becomes substantially equal through the by-pass line and a simple cell feeder can be used.
Gasen som passerar mataren kan utnyttjas som transportgas i en transport- ledning. Materialpelaren mellan den första behållaren och mataren ger stort strömningsmotstånd för gasen i den första behållaren och reducerar trycket. Det stora strömningsmotstàndet begränsar starkt gasflödet.The gas passing through the feeder can be used as transport gas in a transport line. The material column between the first container and the feeder provides great flow resistance for the gas in the first container and reduces the pressure. The high flow resistance severely limits the gas flow.
Restprodukter från en brännkammare med förbränning av kol i en fluidiserad bädd av partikulärt material är kornformiga och har i regel en medel korn- storlek av ca 1 mm. Mindre partiklar har följt med rökgaserna och avskilts i gasrenare. Kornen är också avrundade. Materialet har en liten rasvinkel.Residual products from a combustion chamber with combustion of coal in a fluidized bed of particulate matter are granular and usually have an average grain size of about 1 mm. Smaller particles have accompanied the flue gases and been separated in gas purifiers. The grains are also rounded. The material has a small landslide angle.
Detta innebär att det har goda "rinnegenskaper". Uppfinningen kan därför med fördel utnyttjas för utmatning av restmaterial från en brännkammare i en PFBC-kraftanläggning.This means that it has good "flow properties". The invention can therefore be used to advantage for discharging residual material from a combustion chamber in a PFBC power plant.
FIGURER Uppfinningen beskrives närmare under hänvisning till bifogade figurer.FIGURES The invention is described in more detail with reference to the accompanying figures.
Fig 1 visar schematiskt uppfinningen. Fig 2 visar också schematiskt upp- finningen men tillämpad i en PFBC-kraftanläggning.Fig. 1 schematically shows the invention. Fig. 2 also schematically shows the invention but applied in a PFBC power plant.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8803599A SE462217B (en) | 1988-10-11 | 1988-10-11 | Method and arrangement for the discharge of granular material from a pressurized container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8803599A SE462217B (en) | 1988-10-11 | 1988-10-11 | Method and arrangement for the discharge of granular material from a pressurized container |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8803599D0 SE8803599D0 (en) | 1988-10-11 |
SE8803599A SE8803599A (en) | 1988-10-11 |
SE462217B true SE462217B (en) | 1990-05-21 |
Family
ID=20373579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8803599A SE462217B (en) | 1988-10-11 | 1988-10-11 | Method and arrangement for the discharge of granular material from a pressurized container |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE462217B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0582049A1 (en) * | 1992-08-01 | 1994-02-09 | Deutsche Babcock Energie- Und Umwelttechnik Aktiengesellschaft | Method of and device for removing solid materials |
WO1994007596A1 (en) * | 1992-10-07 | 1994-04-14 | Abb Carbon Ab | Method and device for discharging particulate material from a pressurized container |
WO1999030080A1 (en) * | 1997-11-24 | 1999-06-17 | Abb Ab | Fluidized bed combustion plant |
-
1988
- 1988-10-11 SE SE8803599A patent/SE462217B/en not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0582049A1 (en) * | 1992-08-01 | 1994-02-09 | Deutsche Babcock Energie- Und Umwelttechnik Aktiengesellschaft | Method of and device for removing solid materials |
WO1994007596A1 (en) * | 1992-10-07 | 1994-04-14 | Abb Carbon Ab | Method and device for discharging particulate material from a pressurized container |
US5707198A (en) * | 1992-10-07 | 1998-01-13 | Abb Carbon Ab | Method and device for discharging particulate material from a pressurized container |
WO1999030080A1 (en) * | 1997-11-24 | 1999-06-17 | Abb Ab | Fluidized bed combustion plant |
Also Published As
Publication number | Publication date |
---|---|
SE8803599D0 (en) | 1988-10-11 |
SE8803599A (en) | 1988-10-11 |
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