US1849815A - Fabricated water heating cylinder - Google Patents

Fabricated water heating cylinder Download PDF

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Publication number
US1849815A
US1849815A US505834A US50583430A US1849815A US 1849815 A US1849815 A US 1849815A US 505834 A US505834 A US 505834A US 50583430 A US50583430 A US 50583430A US 1849815 A US1849815 A US 1849815A
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US
United States
Prior art keywords
coil
water
coils
water heating
combustion
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 - Lifetime
Application number
US505834A
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English (en)
Inventor
Henry S Woodruff
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.)
General Electric Co
Original Assignee
General Electric Co
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
Application filed by General Electric Co filed Critical General Electric Co
Priority to US505834A priority Critical patent/US1849815A/en
Priority to FR729058D priority patent/FR729058A/fr
Application granted granted Critical
Publication of US1849815A publication Critical patent/US1849815A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/16—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled
    • F24H1/165—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium

Definitions

  • invention relates to heating-apparatus and more particularly to the heat absorbing .water heating coils used infurnaces.
  • One form of water heating .coil comprises a helical coil placed in the combustion chamber or in the path of the hot gases coming from the combustion chamber. These coils present a long path for the water to circulate through, and can be easily clogged by the formation of scale in the tubes due to the sluggish action of the water through the coils making it easier for the scale to deposit therein.
  • a further difliculty with the helical types of coil is thatashes or soot become lodged in between the various coils and cleaning mere- 1y brushes the inner and outer portions of the coils without. cleaning in between the coils,
  • An object of my invention is to provide a water heating coil which will present the maximum amount. of heating surface and which can be'easily and thoroughly cleaned.
  • Another object of my invention is to .pro-
  • the preferred embodiment of my invention consists of a hollow'cylinder or tubular member open at both ends and] having a hollow wall which is formed by placing two cy' lindrical members, which have been corrugated t'o'simulate spiral coils, one within the other and sealing their ends. Inlet and outlet passages are'provided at opposite ends of this cylinder which connect with the interior formed by the two ,walls of A the cylinder. Dueto the formation of the Walls an open space is provided from one end of the cylinder to the other between the two walls, thereby making it unnecessary for the water to entirely circulate around the simulated coil formation. The water can rise from ,theqbottom of the coil directly to the top of the coil upon being heated.
  • Fig. 1 shows 05 my invention used in an oil burning furnace .and Fig. 2 shows the details thereof. 4
  • an oil burner 10 is provided with a covering of heat insulating materiallO.
  • Mounted in the top of the burner above the 7 combustion chamber is the fuel spraying nozzle 11 for directing a flame downwardly within the combustion chamber.
  • This combustion chamber is provided with a safety door 12.
  • the combustion chamber 13 has an opening 14 in the top thereofwhich opens into. the coil drum 16 down through which the gases of combustion pass upon leaving the combustion chamber. .These gases are exhausted from the furnace by means of the flue 18.
  • Coils 17 are placed wit-hinthe coil drum and connected to the boiler portion of and 20 which form outlet and inlet passages for the coils supported in thecoil drum. These coils absorb the heat-fromthe products of combustion as the products of combustion pass down through the coil drum.
  • Stay rods 21 for strengthening the walls of the furnace and boiler may take the form of pipes, as indicated, for assisting'in the circulation of the water in the boiler.
  • the water coil 7 17 comprises the two concentric cylinders 22 and 23 which have the corrugations 24 and 25 therein which are oppositely disposed in registering relationship as shown to simulate spiral coils. T'wo such corrugated coils are providedin interwound relationship. instead of one to prevent toosharp a pitch rebe noted that these two cylinders are spaced apart so as to form openings between the successivecoils so that a direct path is formed from the top to the bottom of the coil.
  • the inlet opening is connected with a conduit at-the bottom 'and the outlet opening is connected with a conduit 19 at thetop of the cylindrical coil which is provided with the hollow walls.
  • the water coil absorbs the heat.
  • a water heating coil for a furnace including a pair of concentric cylinders sealed: at their ends to form an exterior wall and an. interior wall, said cylinders forming a closed hollow space therebetween and having corrugations in registering relationship to-simulate spiral coils, the corrugation on said ex--; terior wall bulging outwardly and the corrugation on said interior wall bulging inwardly of said cylinders, said spiral coils causing increased heat transfer thereto from the products of combustion due toincreased: turbulence and contact, and conduits connected to the interior of said hollow space at opposite ends of the water coil to provide an inlet passage and an outlet passagethereto, said space providing a direct passage from* one conduit to the'other to permit rapid circulation of water through said coil.
  • a water heating coil for a furnace including a pair of concentric tubular members in spaced relation and having adjacent ends sealed together to form a'hollow space therebetween, said members having registering corrugations therein to simulate a plurality of helical coils with webs therebetween, said helical coils causing a swirling action of products of combustion passing through said water coil thereby causing increased heat transfer, and conduits connected to the interior of said hollow space at opposite ends.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
US505834A 1930-12-31 1930-12-31 Fabricated water heating cylinder Expired - Lifetime US1849815A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US505834A US1849815A (en) 1930-12-31 1930-12-31 Fabricated water heating cylinder
FR729058D FR729058A (fr) 1930-12-31 1931-12-30 Perfectionnements aux appareils de chauffage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US505834A US1849815A (en) 1930-12-31 1930-12-31 Fabricated water heating cylinder

Publications (1)

Publication Number Publication Date
US1849815A true US1849815A (en) 1932-03-15

Family

ID=24012047

Family Applications (1)

Application Number Title Priority Date Filing Date
US505834A Expired - Lifetime US1849815A (en) 1930-12-31 1930-12-31 Fabricated water heating cylinder

Country Status (2)

Country Link
US (1) US1849815A (fr)
FR (1) FR729058A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364754A (en) * 1981-04-13 1982-12-21 Century 21 Pollution Control, Inc. Apparatus for separating foreign matter from a gas with a heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364754A (en) * 1981-04-13 1982-12-21 Century 21 Pollution Control, Inc. Apparatus for separating foreign matter from a gas with a heat exchanger

Also Published As

Publication number Publication date
FR729058A (fr) 1932-07-18

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