EP0093581A2 - Azetylen-Ofen oder -Heizgerät - Google Patents

Azetylen-Ofen oder -Heizgerät Download PDF

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Publication number
EP0093581A2
EP0093581A2 EP83302404A EP83302404A EP0093581A2 EP 0093581 A2 EP0093581 A2 EP 0093581A2 EP 83302404 A EP83302404 A EP 83302404A EP 83302404 A EP83302404 A EP 83302404A EP 0093581 A2 EP0093581 A2 EP 0093581A2
Authority
EP
European Patent Office
Prior art keywords
acetylene
stove
heater
vessel
burnt
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.)
Withdrawn
Application number
EP83302404A
Other languages
English (en)
French (fr)
Other versions
EP0093581A3 (de
Inventor
Johannes Herman Smit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ZW23482A external-priority patent/ZW23482A1/xx
Application filed by Individual filed Critical Individual
Publication of EP0093581A2 publication Critical patent/EP0093581A2/de
Publication of EP0093581A3 publication Critical patent/EP0093581A3/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/14—Stoves or ranges for gaseous fuels with special adaptation for travelling, e.g. collapsible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges

Definitions

  • This invention relates to a stove or heater in which acetylene is used for heating purposes.
  • Calcium carbide lamps have already been used for illumination. Such lamps burn with a yellow flame which is not suitable for heating purposes.
  • a stove or heater in which acetylene is used for heating purposes, the stove or heater comprising a vessel for containing calcium carbide in use and having connection means for connection to a supply of water so as to permit in use water to enter the vessel and to react with the calcium carbide to produce acetylene; a burner means through which in use the acetylene produced in the vessel is passed and burnt; and air supply means comprising means for a allowing air to mix with the acetylene downstream of a jet through which in use the acetylene produced in the vessel passes and upstream of the burner means through which in use the acetylene gas is passed and burnt.
  • the air supply means may comprise an air inlet whose extent of opening is controlled by a valve such as a threaded control member.
  • the stove or heater may include means for collecting burnt gases in the vicinity of the burner means, and for returning these burnt gases and mixing them with the acetylene downstream of the jet and upstream of the burner means.
  • the means for returning the burnt gases is such that the extent to which these burnt gases are returned is also controlled by the valve which controls the extent of opening of the air inlet.
  • a stove or heater in accordance with the invention comprises a vessel 1 containing a bed of calcium carbide 2 when the stove or heater is in operation.
  • a water conduit 3 having an opening 4 within the vessel 1 is connectable to supply of water (not shown) which should have a pressure of 3 to 5 lb per square inch (about 20700 to 34500 N/m 2 ).
  • a partition 5 is provided to close the top of the vessel 1.
  • a tube assembly 6 is mounted centrally on the partition 5.
  • the tube assembly 6 comprises a tube 7 which extends through a central aperture in the partition 5 and which includes a jet 8, an air inlet 9, a valve 10, and a mixture tube 11.
  • the mixture tube 11 leads to a burner assembly including a rose 12 provided with holes 13. Burnt gases are sucked back into the mixture tube 11 via one or more return tubes 14. If desired, the burner assembly may include a cover or collector 15. The acetylene gas produced in the vessel 1 passes through the jet 8, into the mixture tube 11.
  • the vessel 1 is held within an open ended vessel 16 having a larger diameter than the vessel 1.
  • the vessel 16 has an inwardly turned lip portion 17 the radially inner edge of which abuts the side of the vessel 1 and which is fixed to the outer surface of the vessel 1 at point 18.
  • An annular space 19 is defined between the vessels 1 and 16.
  • Support arms 20 are provided to support an article to be heated over the stove or heater.
  • acetylene gas which accumulates within the vessel 1.
  • the acetylene gas passes via a flow passage 21 and the jet 8 into the mixture tube 11, and then passes through the holes 13 in the rose 12.
  • the gas is ignited in the normal manner and burns in order for cooking to take place. Approximately 90% of the gas may burn in this way.
  • Some of the burnt gas, i.e. carbon dioxide, is sucked back into the return tube or tubes 14 and then back into the mixture tube 11 due to the effect of the jet 8, where it mixes with the acetylene gas and comes out of holes 13 once more.
  • the valve 10 which is a temperature control device, includes an externally-threaded valve member 22 engaged in internally-threaded casing 23, and controls the extent (if any) to which burnt gas is recycled to the mixture tube 11 and the extent (if any) to which air is allowed to enter the air inlet 9, which inlet may have a diameter of about 3mm.
  • the effect of the valve member 22 is as follow. When the valve member 22 opened to a point such that the air inlet 9 is still closed, the burnt gas flows down the return tube 14 into the mixture tube 11 and proceeds to assist in the combustion.
  • valve 10 is a temperature control device.
  • the size of the jet 8 is of importance.
  • the jet can be approximately 0.5 mm in diameter.
  • the pressure in the vessel 1 should be from 3 to 4 lb per square inch (about 20700 to 27600 N/ m 2 ) and the water pressure should be from 4 to 5. lb per square inch (about 27600 to 34500 N/m 2 ).
  • the gas pressure in the vessel and the size of the jet there is attained sufficient pressure in the mixture tube 11 to enable the gas to pass to the holes 13 for burning.
  • the gas goes through the holes 13 and is ignited in the usual manner. At this stage, the gas is burnt to produce carbon dioxide.
  • the stove or heater is such that virtually all of the burnt gas is sucked back into the mixing tube 11 via the return tube or tubes and its or their associated valve or valves 10.
  • the heating capacity of the stove or heater is improved, and a larger quantity of carbon monoxide is burnt thereby making the stove or heater safer.
  • mixture tube 11 passes through the holes 13 in the rose 12, and burns with a relatively hot flame when ignited, compared to a flame of pure acetylene gas.
  • the stove or heater is portable, and can be used with a small water tank fitted with a ball valve so that the water pressure is kept at 3 to 5 lb per square inch (about 20700 to 34500 N/ m 2 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Carbon And Carbon Compounds (AREA)
EP83302404A 1982-05-03 1983-04-28 Azetylen-Ofen oder -Heizgerät Withdrawn EP0093581A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RH8982 1982-05-03
ZW8982 1982-05-03
ZW23482A ZW23482A1 (en) 1982-11-01 1982-11-01 Acetylene gas burner
RH23482 1982-11-01

Publications (2)

Publication Number Publication Date
EP0093581A2 true EP0093581A2 (de) 1983-11-09
EP0093581A3 EP0093581A3 (de) 1984-03-28

Family

ID=27145611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83302404A Withdrawn EP0093581A3 (de) 1982-05-03 1983-04-28 Azetylen-Ofen oder -Heizgerät

Country Status (2)

Country Link
EP (1) EP0093581A3 (de)
GB (1) GB2119923A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12215888B2 (en) 2018-12-19 2025-02-04 Airlich Ip Aps Air treatment method and a system arranged for treating air in a clean room

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE226027C (de) *
GB190213208A (en) * 1902-06-10 1902-09-04 John Harris Improvements in Gas Heating-burners.
GB190318942A (en) * 1903-09-02 1904-07-07 Francis William Green Improvement connected with Apparatus for Heating Air.
GB190705960A (en) * 1907-03-12 1907-09-19 Marius Burel Improvements in Gas-stoves or the like Apparatus.
DE1103542B (de) * 1955-10-04 1961-03-30 Iadessins Etudes Outil Mecaniq Waermegeraet, insbesondere Kocher, mit Betrieb durch Fluessiggas
DE1245080B (de) * 1960-12-09 1967-07-20 Cie Generale Des Gaz Liquefies Waermegeraet, insbesondere Kocher
DE2758970C2 (de) * 1977-12-30 1982-11-11 Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest Koch- und Leuchtgerät
AU514837B2 (en) * 1978-06-15 1981-02-26 The Coleman Company, Inc Portable single burner campstove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12215888B2 (en) 2018-12-19 2025-02-04 Airlich Ip Aps Air treatment method and a system arranged for treating air in a clean room

Also Published As

Publication number Publication date
GB8311692D0 (en) 1983-06-02
EP0093581A3 (de) 1984-03-28
GB2119923A (en) 1983-11-23

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19850322