US1842965A - Water heater - Google Patents

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Publication number
US1842965A
US1842965A US459504A US45950430A US1842965A US 1842965 A US1842965 A US 1842965A US 459504 A US459504 A US 459504A US 45950430 A US45950430 A US 45950430A US 1842965 A US1842965 A US 1842965A
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combustion
products
cylinders
chamber
water
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US459504A
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Fountain Howard John
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CLARKSON THIMBLE TUBE BOILER C
CLARKSON THIMBLE TUBE BOILER Co Ltd
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CLARKSON THIMBLE TUBE BOILER C
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/02Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines

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  • This invention relates vto water heaters or boilers and more particularly to water heaters or boilers of the thimble tubetype or of the type having cross tubes and has for its simultaneously, Whilst keeping the productsV of combustion separate.
  • the improved boiler comprises the combination within a single outer shell or cyl- ⁇ inder of a pair of inner thimbled or tubed vcombustion chamber-forming cylinders placed end to end and closed at their inner ends which are separated by a water space,
  • one of the chambers being adapted for directV oil, coal or gas iii-ing and the other for indirect firing by exhaust gases orY products of combustion.
  • exhaust gases or products of combustion may be supplied around the thimbles or tubes and withdrawn by way of a central tube.
  • the flue outlet from the oil gas or coal direct fired chamber may be connected with the flue inlet of the chamber heated by exhaust gases or products of combustion by a change over baffle or damper permitting in one position the Y discharge of the products of combustion to the atmosphere and in another position causing them to pass among the thimbles or tubes of the Waste heat chamber andrthence to the atmosphere.
  • FIG. 1 is a detail side elevation of a part of the apparatus.
  • thimbles l1- are provided'with tubes or as shown, with thimbles l1- extending radially inwards from the water space.
  • shell a cylindrical flue 6 of refractory material so arranged that ythe products of combustion from the burner 5 are carried upwards over the top of the iue 6 then downwards between the flue and the shell, 2, among the thimbles 4 before passing by lway of a flue outlet 7 to atmosphere or to the other shell 3 through, valve ,17.
  • the shell 3 in the example illustrated is heated byl exhaust gases, being Aprovided with a central tubular 'HueSdepen'ding from the inlet casing 9v for the exhaust gases.
  • the flue 8 communicates with the atmosphere, the gases passing by way of ythe inlet 9 downwardly among the tubes 4 and then upwardly by way of the flue S to the atmosphere.
  • :Draught can be introduced in the outlet flue .Y of the shell 2 in order to obtain sufficient draught to support combustion and at vthe same time give thenecessary velocity to drive the gases through the waste heat shell 3L Vhen the engine is not running and no exhaust gas is Vavailable at 9, a vvalve indicated at 16 is changed over to close pipe 9
  • the shell 2 is directfired Y i by an oil burner 5, there being fitted Within and open communication with pipe 7 and an induced draught fan 15, inducing products of combustion from the oil-red unit, causes them to pass through the upper unit and thence to the atmosphere.
  • a Water heater comprising the combination Within a single outer steam and 'atei' drum of a pair of cylinders each torminscga combustion chamber7 said cylinders each formed with thimble tubes communicating,r with the Water space of the drinn and extending into the combustion chamber, said cylinders disposed end to end and closed :it-.their adjacent ends, means for directly tiring one of such combustion chambers and means for passinghot products through the other of said chambers.
  • a Waterheater comprising :the combi- ⁇ nation within a single outer steam and water drinn of a .pair of cylinders each forminga combustion chamber, said cylinders each ⁇ formed with lthimble tubes communicating with the Water space of the drum andeX- 4tending' into the-combustionv chamber. said cylinders ijilacedend to end and ⁇ closed at their adjacentends. a peripheral inlet for the ⁇ supply of hot combustion products around the thimbles of one-ot said combustionchambers and a tubular batti@ "providing for the discharge of'the combustion products spaced from said thiinbles and means for directly firing the other of saidcombustion chambers.
  • a vWat-er heater comprising the combination Within a single outer steam and Water drum of ia ⁇ pair of cylinders each forming a. combustion chamber, said, cylinders each formed with thimble tubes vcommunicating with the Water space o'l' the drum and extending; into the combustion chamber, said cylinders placed end to end and closed at their adjacent ends, a -'.veripheral inlet for the supply ot' hot combustion products around the thiinbles ot one of said combusttion chambers and a'tubular batlie providing; for 'the discharge ot the combustion products spaced from said thimbles.
  • a burner disposed centrally in the other of said combustion chambers, a refractory tubular wall-between the 'burner and the thimbles of said combustion chamber and spaced from the latter and an outlet tor the products ot combustion communicating with the space between said thimbles and said refractory Wall.
  • a Water heater comprising the combination within a single outer Water and steam drum of a pair of cylinders each formingl aJ combustion chamber, said cylinders each formed with thimble tubes communicating with the water spaceot the drum and eX- tending into the combustion chamber, said cylinders disposed end to end and closed at their adjacent ends, means for directly firing one'ot said combustion chanibersineans for passinghot combustion products through the other of such chambers and a conduit connectingthe outlet of one chamber With the inlet of theother chamber.
  • a Water heater comprising the combi ⁇ throughithe otheuof said combustion chambers and an induced draught fan for suplporting combustion in the direct tired combustion chamber and imparting' the velocity necessary'to-the gases'to :force them through the other combustion chamber.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Description

H. J. FOUNTAIN WATER HEATER Jan. 26, 1932.
Filed June 6, 1950 fao Patented Jan. 26,v 1932 UNITED STATES PATENT oEFlcE HOWARD JOI-IN FOUNTAIN, OF LONDON, ENGLAND, '.ASSIGNOR 0F ONE-HALF TO THE CLARKSON THIMBLE TUBE BOILER- COMPANY LIMITED, VOF LONDON, ENGLAND WATER HEATER Application filed JuneG, 1930, Serial No. 459,504, and in Great Britain .Tune 6, 1929.
This inventionrelates vto water heaters or boilers and more particularly to water heaters or boilers of the thimble tubetype or of the type having cross tubes and has for its simultaneously, Whilst keeping the productsV of combustion separate.
The improved boiler comprises the combination within a single outer shell or cyl-` inder of a pair of inner thimbled or tubed vcombustion chamber-forming cylinders placed end to end and closed at their inner ends which are separated by a water space,
one of the chambers being adapted for directV oil, coal or gas iii-ing and the other for indirect firing by exhaust gases orY products of combustion. In the chamber heated by exhaust gases or products of combustion such exhaust gases or products of combustion may be supplied around the thimbles or tubes and withdrawn by way of a central tube. The flue outlet from the oil gas or coal direct fired chamber, may be connected with the flue inlet of the chamber heated by exhaust gases or products of combustion by a change over baffle or damper permitting in one position the Y discharge of the products of combustion to the atmosphere and in another position causing them to pass among the thimbles or tubes of the Waste heat chamber andrthence to the atmosphere. n
The invention is illustrated in vertical section in Figure 1 of the accompanying drawings which shows a boiler of the'vertical type having a combustion chamberdirect fired by an oil burner and a combustion chamber heated by exhaust gases. Fig. 2 is a detail side elevation of a part of the apparatus.
vcovers 2,
are provided'with tubes or as shown, with thimbles l1- extending radially inwards from the water space.
said, shell a cylindrical flue 6 of refractory material so arranged that ythe products of combustion from the burner 5 are carried upwards over the top of the iue 6 then downwards between the flue and the shell, 2, among the thimbles 4 before passing by lway of a flue outlet 7 to atmosphere or to the other shell 3 through, valve ,17. The shell 3 in the example illustrated is heated byl exhaust gases, being Aprovided with a central tubular 'HueSdepen'ding from the inlet casing 9v for the exhaust gases. V The flue 8 communicates with the atmosphere, the gases passing by way of ythe inlet 9 downwardly among the tubes 4 and then upwardly by way of the flue S to the atmosphere. a
10, denotes the usual water batheY suitably supported within the 'water space of the boiler, 11 the usual inspection doors, 12 an antipriming pipe located in the steam space, 13
the feed inlet and 14 the blow-down lcock connection.
:Draught can be introduced in the outlet flue .Y of the shell 2 in order to obtain sufficient draught to support combustion and at vthe same time give thenecessary velocity to drive the gases through the waste heat shell 3L Vhen the engine is not running and no exhaust gas is Vavailable at 9, a vvalve indicated at 16 is changed over to close pipe 9 The shell 2 is directfired Y i by an oil burner 5, there being fitted Within and open communication with pipe 7 and an induced draught fan 15, inducing products of combustion from the oil-red unit, causes them to pass through the upper unit and thence to the atmosphere.
Y It is vto'be understood that, although a vertical type boiler is shown, the invention is applicable to boilers of the horizontal type.
I claim:
1. A Water heater comprising the combination Within a single outer steam and 'atei' drum of a pair of cylinders each torminscga combustion chamber7 said cylinders each formed with thimble tubes communicating,r with the Water space of the drinn and extending into the combustion chamber, said cylinders disposed end to end and closed :it-.their adjacent ends, means for directly tiring one of such combustion chambers and means for passinghot products through the other of said chambers. e
2. A Waterheater comprising :the combi- `nation within a single outer steam and water drinn of a .pair of cylinders each forminga combustion chamber, said cylinders each `formed with lthimble tubes communicating with the Water space of the drum andeX- 4tending' into the-combustionv chamber. said cylinders ijilacedend to end and `closed at their adjacentends. a peripheral inlet for the `supply of hot combustion products around the thimbles of one-ot said combustionchambers and a tubular batti@ "providing for the discharge of'the combustion products spaced from said thiinbles and means for directly firing the other of saidcombustion chambers.
3. A vWat-er heater comprising the combination Within a single outer steam and Water drum of ia `pair of cylinders each forming a. combustion chamber, said, cylinders each formed with thimble tubes vcommunicating with the Water space o'l' the drum and extending; into the combustion chamber, said cylinders placed end to end and closed at their adjacent ends, a -'.veripheral inlet for the supply ot' hot combustion products around the thiinbles ot one of said combusttion chambers and a'tubular batlie providing; for 'the discharge ot the combustion products spaced from said thimbles. a burner disposed centrally in the other of said combustion chambers, a refractory tubular wall-between the 'burner and the thimbles of said combustion chamber and spaced from the latter and an outlet tor the products ot combustion communicating with the space between said thimbles and said refractory Wall.
4. A Water heater comprising the combination within a single outer Water and steam drum of a pair of cylinders each formingl aJ combustion chamber, said cylinders each formed with thimble tubes communicating with the water spaceot the drum and eX- tending into the combustion chamber, said cylinders disposed end to end and closed at their adjacent ends, means for directly firing one'ot said combustion chanibersineans for passinghot combustion products through the other of such chambers and a conduit connectingthe outlet of one chamber With the inlet of theother chamber.
5. A Water heater comprising the combi` throughithe otheuof said combustion chambers and an induced draught fan for suplporting combustion in the direct tired combustion chamber and imparting' the velocity necessary'to-the gases'to :force them through the other combustion chamber.
In testimony whereof I Ahave signed my .name to this specification.
HOVARD JOHN FOUNTAIN.
US459504A 1929-06-06 1930-06-06 Water heater Expired - Lifetime US1842965A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469635A (en) * 1948-01-03 1949-05-10 Svenska Maskinverken Ab Steam boiler or the like having extended heat transfer surfaces
US2662506A (en) * 1952-03-25 1953-12-15 Clyde H Carley Steam generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469635A (en) * 1948-01-03 1949-05-10 Svenska Maskinverken Ab Steam boiler or the like having extended heat transfer surfaces
US2662506A (en) * 1952-03-25 1953-12-15 Clyde H Carley Steam generator

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