GB742248A - Improvements relating to ovens and drying apparatus - Google Patents
Improvements relating to ovens and drying apparatusInfo
- Publication number
- GB742248A GB742248A GB1365252A GB1365252A GB742248A GB 742248 A GB742248 A GB 742248A GB 1365252 A GB1365252 A GB 1365252A GB 1365252 A GB1365252 A GB 1365252A GB 742248 A GB742248 A GB 742248A
- Authority
- GB
- United Kingdom
- Prior art keywords
- channels
- gases
- ducts
- combustion chamber
- duct
- 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
- 238000001035 drying Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 abstract 7
- 238000010438 heat treatment Methods 0.000 abstract 6
- 238000002485 combustion reaction Methods 0.000 abstract 5
- 238000001816 cooling Methods 0.000 abstract 2
- 239000000112 cooling gas Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
- F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
- F26B13/183—Arrangements for heating, cooling, condensate removal
- F26B13/186—Arrangements for heating, cooling, condensate removal using combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
- F26B3/305—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements the infrared radiation being generated by combustion or combustion gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
742,248. Bakers' ovens. WHITWORTHS HOLDINGS, Ltd., and STEINER, E. R. May 19, 1953 [May 29, 1952], No. 13652/52. Class 51 (2). [Also in Group XIII] The heating or cooling arrangement of a bakers' oven or of drying apparatus comprises a number of inlet ducts or channels of substantially rectangular cross-section and wedge-shaped in plan, the broader ends of the ducts or channels being open to admit heating or cooling gases, a number of outlet ducts or channels of substantially rectangular cross-section and wedgeshaped in plan, located alternately with the first mentioned ducts or channels with their narrow ends adjacent to the broader ends of the first mentioned ducts or channels, the broader ends of such outlet ducts or channels being open to allow escape of gases therefrom, the gases being allowed to flow in a turbulent manner from one duct or channel to an adjacent outlet duct or channel over one or both of the longitudinal edges of a partition between them. Fig. 1 shows a heating or cooling element assembled as above to form a rectangular duct having a diagonal baffle AFKJ extending for less than the full height of the duct, in order to create the turbulence in the gases passing through. A modified element, Fig. 2 (not shown), has the baffle spaced from both top and bottom of the duct. A bakers' oven, Fig. 3, comprises heating elements 2, 3 and 4 supplied with hot gases from a combustion chamber 7 by a fan 8 through a header 10 or an opening 5, the said gases being vented either from a header 11 or an opening 6, partly to a chimney 12, and partly back to the combustion chamber 7 through slots 16 controlled by a sleeve 15 actuated by a rod 17. In a rotary drier, Figs. 6 and 7, the charge material is dried on the outer surface of a rotary drum 22 spaced from a stationary, refractory-lined drum 20, which is formed with fins 21 extending towards but not touching the rotary drum 22, and forming therewith a series of heating elements according to the invention. Disposed inside the drum 20 is a combustion chamber 7 fired by a gas burner 17 and having a slotted sleeve 15 controlling recirculation ports as in the previous embodiment, a bulkhead 13, and a fan 8 driven by a motor 9. Hot gases from the combustion chamber are driven by the fan out of the left-hand side of the drum 20 into the heating elements, from which part passes through a perforated plate 32 into a flue 33, and part is re-circulated to the combustion chamber under control of the sleeve 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1365252A GB742248A (en) | 1952-05-29 | 1952-05-29 | Improvements relating to ovens and drying apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1365252A GB742248A (en) | 1952-05-29 | 1952-05-29 | Improvements relating to ovens and drying apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB742248A true GB742248A (en) | 1955-12-21 |
Family
ID=10026920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1365252A Expired GB742248A (en) | 1952-05-29 | 1952-05-29 | Improvements relating to ovens and drying apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB742248A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3063441A (en) * | 1959-08-26 | 1962-11-13 | Whirlpool Co | Cooking apparatus |
US3169871A (en) * | 1957-07-19 | 1965-02-16 | Whirlpool Co | Cooking method and apparatus |
US3590803A (en) * | 1968-07-20 | 1971-07-06 | Burger Eisenwerke Ag | Food-treatment apparatus with gas-circulating means |
US3667447A (en) * | 1969-06-21 | 1972-06-06 | Parkinson Cowan Appliances Ltd | Gas-fired domestic ovens |
US3831579A (en) * | 1970-12-16 | 1974-08-27 | Rinnai Kk | Forced hot air type cooking oven |
-
1952
- 1952-05-29 GB GB1365252A patent/GB742248A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3169871A (en) * | 1957-07-19 | 1965-02-16 | Whirlpool Co | Cooking method and apparatus |
US3063441A (en) * | 1959-08-26 | 1962-11-13 | Whirlpool Co | Cooking apparatus |
US3590803A (en) * | 1968-07-20 | 1971-07-06 | Burger Eisenwerke Ag | Food-treatment apparatus with gas-circulating means |
US3667447A (en) * | 1969-06-21 | 1972-06-06 | Parkinson Cowan Appliances Ltd | Gas-fired domestic ovens |
US3831579A (en) * | 1970-12-16 | 1974-08-27 | Rinnai Kk | Forced hot air type cooking oven |
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