EP1128130A1 - Gehäuse einer Behandlungseinrichtung für gegenüber Umgebungstemperatur heisse Gase - Google Patents
Gehäuse einer Behandlungseinrichtung für gegenüber Umgebungstemperatur heisse Gase Download PDFInfo
- Publication number
- EP1128130A1 EP1128130A1 EP01102089A EP01102089A EP1128130A1 EP 1128130 A1 EP1128130 A1 EP 1128130A1 EP 01102089 A EP01102089 A EP 01102089A EP 01102089 A EP01102089 A EP 01102089A EP 1128130 A1 EP1128130 A1 EP 1128130A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating
- housing according
- plates
- housing
- supports
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/02—Linings; Jackets; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
- F23J2213/10—Linings
- F23J2213/101—Fastening means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
- F23J2213/40—Heat insulation fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/13021—Means for supporting the lining of conducting means, e.g. ducts or chimneys
Definitions
- the invention relates to a housing of a treatment device for opposite Ambient temperature hot gases, especially flue gases.
- Such housings for example of flue gas electrostatic precipitators, have Scaffold that is provided with a closed inner wall and that is provided on the outside with a very thick insulation.
- the construction of this housing is extremely large. The reason is in that the scaffolding is arranged inside the housing and thus exposed to high temperatures.
- the invention has for its object a housing of the aforementioned Art to design so that it with the least possible effort can be produced.
- the essence of the invention is that the wall of the housing itself a relatively thin insulating wall is formed, which in turn is made of insulating plates exists that have an extremely low thermal conductivity.
- the entire frame of the housing is in the area of the ambient temperature, so on the cold side; only that the hot gas leading interior facing inside of the insulating wall yourself on the hot side.
- a housing of an electrostatic filter is used to clean hot flue gases, essentially from an external one Scaffold 1 and an internal insulating wall 2.
- the scaffold 1 consists of vertical supports 3 and only indicated horizontal struts 4 and a roof 5 supporting rafters 6. At least the supports 3 and The rafters 6 are basically identical.
- the insulating wall 2 not only forms the side and longitudinal walls, but also the roof skin.
- Discharge bunkers 7 are formed in the bottom area, through which in the usual The way of cleaning the flue gases from these separated substances subtracted from.
- This is according to the configuration shown on the left in FIG. 2 on the flange 8 - off-center to the web 9 of the carrier - a designed as a threaded bolt Holding bolt 10 welded on. It is located in the butt joint 11 between two adjacent insulating plates 12 forming part of the insulating wall 2, which - as is apparent from Fig. 2 - from one to the next neighboring Prop 3 extends.
- a machine screw can also be used as the holding bolt 10 ' be provided, whose head 19 on the pressure plate 15th abuts, and which is inserted through a bore 20 in the flange 8 and is secured and secured from the outside by means of a nut 21.
- the insulating plates 12 are also used as insulating panels are designated on their longitudinal edges with fillets 18 provided in which 11 insulating body 22 in the region of the butt joints with about elliptical or circular cross section are arranged, each between two in the longitudinal direction of the support 3 or the rafters 6 each other adjacent retaining bolt 10 each an insulating body 22 is arranged.
- the insulating plates 12 each have their Outside a sheet 23 or 24 of preferably 0.8 mm in thickness.
- the sheets 23, 24 are made of austenitic stainless steel in particular the inner sheet 23 facing the interior 14. Accordingly, at least the printing plates 15 and the threaded bolts 10, 10 'made of the same austenitic stainless steel Steel.
- Insulating material 25 is arranged between the sheets 23, 24, with extremely high thermal insulation, for example ⁇ ⁇ 0.004 W / mK, whereby in any case applies to the heat conduction ⁇ ⁇ 0.01 W / mK.
- a so-called insulation material 25 is used Super insulation, as in VDI HEAT ATLAS, calculation sheets for heat transfer, 5th edition 1988, VDI-VERLAG, Pages Ke 1 to Ke 17 is shown and described.
- WDS Insulation material the main component of which is highly disperse silica is. It consists of microscopic balls with a Diameter from 5 - 30 nm. Heat transfer through solid-state conductivity is minimal.
- WDS Insulation material the main component of which is highly disperse silica is. It consists of microscopic balls with a Diameter from 5 - 30 nm. Heat transfer through solid-state conductivity is minimal.
- a microcellular structure is formed into plates. Arise tiny pore structures with a diameter of 0.1 micron. The Heat transfer through convection is achieved by trapping gas molecules minimized.
- the infrared transmission is significantly reduced.
- the heat transfer by radiation is also thereby minimized.
- This as a plate between the sheets 23, 24 existing insulating material 25 therefore has an extremely low thermal conductivity.
- the insulating plates 12 are all around on their outer edges, that is, on the grooves 18, each with connecting plates delimiting the groove 18 26 connected gas-tight by all-round welding, so that the insulating plates 12 have gas-tight closed interiors, in which the insulating material 25 is arranged. These interiors are also partially evacuated, which makes the overall thermal conductivity is reduced even further.
- the connecting plates 26 exist also made of austenitic stainless steel with low thermal conductivity for example ⁇ ⁇ 20 W / mK. The thickness of the connecting plates 26 is reduced to preferably 0.3 mm to reduce heat conduction.
- the insulating bodies 22 also have the insulating material as the actual insulating material 25 and an elastically flexible covering 27, for example made of glass silk, on.
- the insulating bodies 22 are elastic overall compliant and absorb the thermal expansion of the insulating plates 12, and are nevertheless at all temperatures, i.e. in all expansion states the insulating plates 12 close to the connecting surfaces 26 of the grooves 18 on.
- the Insulating wall 2 on the one hand, the complete insulation of the housing and on the other its wall.
- the entire load-bearing structure, namely the scaffold 1 is located on the outside, that is to say in the vicinity 28 with ambient temperature. Only the pressure plates 15, the temperature resistant Seals 16, the assigned areas of the retaining bolts 10 or 10 'and the inner sheets 23 together with insulating material 25 are the exposed to high temperatures in the interior 14.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Thermal Insulation (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Furnace Details (AREA)
- Treatment Of Fiber Materials (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
- Fig. 1
- eine schematisierte perspektivische Darstellung eines Gehäuses eines Rauchgas-Elektrofilters,
- Fig. 2
- einen Teil-Querschnitt durch eine sich über zwei benachbarte Stützen erstreckende Isolier-Wand des Gehäuses,
- Fig. 3
- einen gegenüber Fig. 2 vergrößerten Querschnitt durch die Isolier-Wand im Bereich einer Stoßstelle von zwei Isolier-Platten und
- Fig. 4
- eine teilweise aufgebrochene Ansicht der Isolier-Wand gemäß dem Sichtpfeil IV in Fig. 2.
Claims (12)
- Gehäuse einer Behandlungseinrichtung für gegenüber Umgebungstemperatur heiße Gase, insbesondere Rauchgase,besteht.mit einem in der Umgebung (28) liegenden Gerüst (1) aus Stützen (3).mit einer an der Innenseite des Gerüstes (1) angeordneten, einen Innenraum (14) umschließenden Isolier-Wand (2), die auseinem innenseitigen Blech (23),einem außenseitigen Blech (24) undzwischen den Blechen (23, 24) angeordnetem Isoliermaterial (25) von äußerst geringer Wärmeleitfähigkeit
- Gehäuse nach Anspruch 1, dadurch gekennzeichnet,
daß die Isolier-Wand (2) aus Isolier-Platten (12) gebildet ist, die im Raster der Stützen (3) angeordnet sind. - Gehäuse nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß die Isolier-Platten (12) gegen Flansche (8) der Stützen (3) mit ihrem außenseitigen Blech (24) abgestützt sind. - Gehäuse nach Anspruch 3, dadurch gekennzeichnet;
daß zwischen dem außenseitigen Blech (24) und dem Flansch (8) eine Dichtung (13) angeordnet ist. - Gehäuse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß an der jeweiligen Stütze (3) in deren Längsrichtung im Abstand voneinander Haltebolzen (10, 10') gehalten sind, die in der Stoßfuge (11) zwischen zwei benachbarten Isolier-Platten (12) angeordnet sind und daß von dem Haltebolzen (10, 10') dem Innenraum (14) zugewandte, die Isolier-Platten (12) gegen die Stützen (3) pressende Druckplatten (15) gehalten werden.
- Gehäuse nach Anspruch 5, dadurch gekennzeichnet,
daß zwischen den Druckplatten (15) und den innenseitigen Blechen (23) temperaturbeständige Dichtungen (16) angeordnet sind. - Gehäuse nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Isolier-Platten (12) im Bereich ihrer Stoßfugen (11) mit Auskehlungen (18) versehen sind, wobei in den beiden einander zugewandten Auskehlungen (18) zweier an der Stoßfuge (11) aneinander stoßender Isolier-Platten (12) die Auskehlungen (18) zumindest im wesentlichen ausfüllende Isolier-Körper (22) angeordnet sind.
- Gehäuse nach Anspruch 7, dadurch gekennzeichnet,
daß die Isolierkörper (22) aus Isoliermaterial (25) und einer Umhüllung gebildet sind. - Gehäuse nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Bleche (23, 24) einer Isolier-Platte (12) umlaufend mit einem Verbindungsblech (26) gasdicht verbunden sind.
- Gehäuse nach Anspruch 9, dadurch gekennzeichnet,
daß die Isolier-Platten (12) teilevakuiert sind. - Gehäuse nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das Isoliermaterial (25) im wesentlichen durch eine mikroporöse Kieselsäure gebildet ist.
- Gehäuse nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß das Isoliermaterial (25) eine Wärmeleitfähigkeit λ, wofür gilt, λ ≤ 0,01 W/mK, aufweist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10007844A DE10007844A1 (de) | 2000-02-21 | 2000-02-21 | Gehäuse einer Behandlungseinrichtung für gegenüber Umgebungstemperatur heiße Gase |
| DE10007844 | 2000-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1128130A1 true EP1128130A1 (de) | 2001-08-29 |
| EP1128130B1 EP1128130B1 (de) | 2005-03-23 |
Family
ID=7631705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01102089A Expired - Lifetime EP1128130B1 (de) | 2000-02-21 | 2001-01-31 | Gehäuse einer Behandlungseinrichtung für gegenüber Umgebungstemperatur heisse Gase |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6695016B2 (de) |
| EP (1) | EP1128130B1 (de) |
| AT (1) | ATE291723T1 (de) |
| DE (2) | DE10007844A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050247365A1 (en) * | 2004-05-08 | 2005-11-10 | Schwartz Ben B | Sectional heat insulating jacket |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0151265A1 (de) * | 1984-02-01 | 1985-08-14 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Isolierte Hohlkammerwand |
| DE3411924A1 (de) * | 1984-03-30 | 1985-10-10 | G + H Montage Gmbh, 6700 Ludwigshafen | Aus kachelelementen aufgebaute vibrationsfeste waermedaemmende auskleidung sowie kachelelement hierfuer |
| US4557297A (en) * | 1983-03-07 | 1985-12-10 | Bisco Products, Inc. | Flue gas duct assembly |
| EP0342661A1 (de) * | 1988-05-18 | 1989-11-23 | Wacker-Chemie Gmbh | Wärmedämmformkörper auf der Basis von verpresstem, mikroporösem Wärmedämmstoff mit einer Umhüllung auf der Basis von Metallen |
| DE3940381A1 (de) * | 1989-12-06 | 1991-06-13 | Pks Engineering | Heissgaskanal sowie verschlusselement |
| DE4225448A1 (de) * | 1992-07-31 | 1994-02-03 | Janich Gmbh & Co | Heißgaskanal |
| DE19631291A1 (de) * | 1996-08-02 | 1998-02-05 | Dampers Engineering Gmbh | Isolationsverkleidung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909907A (en) * | 1974-04-01 | 1975-10-07 | Carborundum Co | Method for installing furnace linings |
| US4936069A (en) * | 1989-06-09 | 1990-06-26 | Industrial Air, Inc. | Modular building panel having an improved offset thermal barrier joint |
| US5437312A (en) * | 1993-01-27 | 1995-08-01 | Performance Contracting, Inc. | Reinforced insulation blanket |
| US5460206A (en) * | 1994-02-22 | 1995-10-24 | Db Riley, Inc. | Modular duct liner panel |
| US5875599A (en) * | 1995-09-25 | 1999-03-02 | Owens-Corning Fiberglas Technology Inc. | Modular insulation panels and insulated structures |
| US5848508A (en) * | 1996-09-26 | 1998-12-15 | Albrecht; Ronald | Core for a patio enclosure wall and method of forming thereof |
-
2000
- 2000-02-21 DE DE10007844A patent/DE10007844A1/de not_active Withdrawn
-
2001
- 2001-01-31 DE DE50105662T patent/DE50105662D1/de not_active Expired - Lifetime
- 2001-01-31 AT AT01102089T patent/ATE291723T1/de not_active IP Right Cessation
- 2001-01-31 EP EP01102089A patent/EP1128130B1/de not_active Expired - Lifetime
- 2001-02-20 US US09/785,213 patent/US6695016B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4557297A (en) * | 1983-03-07 | 1985-12-10 | Bisco Products, Inc. | Flue gas duct assembly |
| EP0151265A1 (de) * | 1984-02-01 | 1985-08-14 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Isolierte Hohlkammerwand |
| DE3411924A1 (de) * | 1984-03-30 | 1985-10-10 | G + H Montage Gmbh, 6700 Ludwigshafen | Aus kachelelementen aufgebaute vibrationsfeste waermedaemmende auskleidung sowie kachelelement hierfuer |
| EP0342661A1 (de) * | 1988-05-18 | 1989-11-23 | Wacker-Chemie Gmbh | Wärmedämmformkörper auf der Basis von verpresstem, mikroporösem Wärmedämmstoff mit einer Umhüllung auf der Basis von Metallen |
| DE3940381A1 (de) * | 1989-12-06 | 1991-06-13 | Pks Engineering | Heissgaskanal sowie verschlusselement |
| DE4225448A1 (de) * | 1992-07-31 | 1994-02-03 | Janich Gmbh & Co | Heißgaskanal |
| DE19631291A1 (de) * | 1996-08-02 | 1998-02-05 | Dampers Engineering Gmbh | Isolationsverkleidung |
Non-Patent Citations (1)
| Title |
|---|
| 5 AUFLAGE: "VDI-Wärmeatlas", 1988, VDI VERLAG, article "Berechnungsblätter für den Wärmeübergang", pages: KE1 - KE17 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1128130B1 (de) | 2005-03-23 |
| DE50105662D1 (de) | 2005-04-28 |
| DE10007844A1 (de) | 2001-08-23 |
| US6695016B2 (en) | 2004-02-24 |
| US20010015140A1 (en) | 2001-08-23 |
| ATE291723T1 (de) | 2005-04-15 |
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