GB1043089A - Improved kilns and similar heat treatment apparatus - Google Patents
Improved kilns and similar heat treatment apparatusInfo
- Publication number
- GB1043089A GB1043089A GB2691464A GB2691464A GB1043089A GB 1043089 A GB1043089 A GB 1043089A GB 2691464 A GB2691464 A GB 2691464A GB 2691464 A GB2691464 A GB 2691464A GB 1043089 A GB1043089 A GB 1043089A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lining
- fan
- air
- impeller
- blades
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
1,043,089. Centrifugal fans. SHELLEY ELECTRIC FURNACES Ltd. and D.P. SHELLEY. June 25, 1965 [June 30, 1964], No. 26914/64. Heading FIC. [Also in Division F4] A fan for circulating hot air or gas in a heat treatment apparatus such as a kiln comprises a bowl-like impeller 13, Fig. 6, having a lining 20 of metallic or non-metallic refractory material. The impeller blades 21, which are supported by the lining, are also of refractory material, such as fused alumina or silicon carbide, and are preferably tapered to reduce centrifugal forces. Each blade 21 may be set loosely in a slot 27, Fig. 5 (not shown), in a support block 28 made of silimanite or other refractory material and forming a segment of the lining 20. The loose fit allows for thermal expansion, the blade being held in place by a radially disposed peg 29. The remainder of the lining 20 is formed by refractory insulation bricks or concrete set between the blocks 28 with, it may be, a backing of insulation, material. A labyrinth seal 12 is formed either on the impeller 13 or on a surrounding casing 11. Blades 23 on the outside of the impeller produce a greater pressure than the blades 21 to give a small flow of air at ambient temperature inwardly through the labyrinth seal 12 to cool the metal parts and prevent corrosion. As shown, the fan may be carried by an annular plate 10 which forms the main support for a pottery kiln. Hot air is drawn downwardly through an inlet tube 22 by the fan and discharged through perforations 30a in a hearth 30. In addition to heating or cooling the load, the hot air also provides an air cushion to support the travelling load which comprises either flat objects which are directly supported or other items 31 set on flat bats 32 for support. A portion of the dust entrained in the air is removed in the fan and held against the lining 20 by centrifugal force. Where dust retention is not required, the lining 20 and inlet tube 22 may be curved in cross-section to give better air flow.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2691464A GB1043089A (en) | 1964-06-30 | 1964-06-30 | Improved kilns and similar heat treatment apparatus |
| DE19651503607 DE1503607A1 (en) | 1964-06-30 | 1965-06-29 | High temperature blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2691464A GB1043089A (en) | 1964-06-30 | 1964-06-30 | Improved kilns and similar heat treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1043089A true GB1043089A (en) | 1966-09-21 |
Family
ID=10251196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2691464A Expired GB1043089A (en) | 1964-06-30 | 1964-06-30 | Improved kilns and similar heat treatment apparatus |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1503607A1 (en) |
| GB (1) | GB1043089A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3235585C2 (en) * | 1982-09-01 | 1985-11-14 | Christian O. 7590 Achern Schön | High-performance blowers or compressors for aggressive and / or hot media |
| FR2595767B1 (en) * | 1986-03-17 | 1988-07-08 | Peugeot Aciers Et Outillage | RADIAL FAN, ESPECIALLY FOR AIR CONDITIONING OF MOTOR VEHICLES |
| CN111608944B (en) * | 2020-05-27 | 2022-02-25 | 上海德惠特种风机有限公司 | Plug-in type circulating special fan convenient to overhaul and maintain |
-
1964
- 1964-06-30 GB GB2691464A patent/GB1043089A/en not_active Expired
-
1965
- 1965-06-29 DE DE19651503607 patent/DE1503607A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1503607A1 (en) | 1969-01-30 |
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