GB437426A - Improvements in and connected with ovens and furnaces for heat treating metal and other articles - Google Patents
Improvements in and connected with ovens and furnaces for heat treating metal and other articlesInfo
- Publication number
- GB437426A GB437426A GB1324435A GB1324435A GB437426A GB 437426 A GB437426 A GB 437426A GB 1324435 A GB1324435 A GB 1324435A GB 1324435 A GB1324435 A GB 1324435A GB 437426 A GB437426 A GB 437426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flue
- muffle
- space
- floor
- flues
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
437,426. Muffle - furnaces. LUCAS, E. E., Mount Works, Wharton Street, Nechells, Birmingham. May 3, 1935, No. 13244. [Class 51 (ii)] Air, preventing admission of.-In a muffle furnace, more particularly adapted for the heat treatment of metals, a screen of combustion products is passed vertically upwards across the mouth of the muffle through the space 8 between the end of the muffle and the furnace wall 9. In the construction shown the floor flues 2 are fired by burners 1, and the products pass along one or both sides of the muffle to the top flue 5, and thence down the back flue 6 to a flue 7, communicating at the front with the space 8, which leads at its upper part into the exhaust flue 10. The walls of the space 8 below the level of the muffle floor, or above the level of the roof, may converge as shown at 8<a>, and an adjustable block 12 may be provided to control the crosssection of the gas screen. Part of the gases from the flue 7 may be byepassed direct to the flue 10 through damper-controlled side flues. The muffle opening may have a depending lip 3<a>, preferably tapered, along its upper edge. Modifications are described in which the floor flues are fired from the front through sleeves spanning the flue space 8, and in which combustion is effected in the back flue, the products passing to the top flue 5 and thence down the sides to a floor flue. A recuperator may be fitted in the exhaust flue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1324435A GB437426A (en) | 1935-05-03 | 1935-05-03 | Improvements in and connected with ovens and furnaces for heat treating metal and other articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1324435A GB437426A (en) | 1935-05-03 | 1935-05-03 | Improvements in and connected with ovens and furnaces for heat treating metal and other articles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB437426A true GB437426A (en) | 1935-10-29 |
Family
ID=10019440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1324435A Expired GB437426A (en) | 1935-05-03 | 1935-05-03 | Improvements in and connected with ovens and furnaces for heat treating metal and other articles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB437426A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387598A (en) * | 2017-08-10 | 2019-02-26 | 梅特勒-托莱多有限公司 | Baking oven heat-proof device |
-
1935
- 1935-05-03 GB GB1324435A patent/GB437426A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387598A (en) * | 2017-08-10 | 2019-02-26 | 梅特勒-托莱多有限公司 | Baking oven heat-proof device |
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