US1665664A - Water-tube boiler - Google Patents

Water-tube boiler Download PDF

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Publication number
US1665664A
US1665664A US8992A US899225A US1665664A US 1665664 A US1665664 A US 1665664A US 8992 A US8992 A US 8992A US 899225 A US899225 A US 899225A US 1665664 A US1665664 A US 1665664A
Authority
US
United States
Prior art keywords
water
drum
tube boiler
shell
straps
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
US8992A
Other languages
English (en)
Inventor
Hoff Wilhelm
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.)
Fried Krupp Germaniawerft AG
Original Assignee
Fried Krupp Germaniawerft AG
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 Fried Krupp Germaniawerft AG filed Critical Fried Krupp Germaniawerft AG
Application granted granted Critical
Publication of US1665664A publication Critical patent/US1665664A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/22—Drums; Headers; Accessories therefor
    • F22B37/226—Protection of drums against combustion

Definitions

  • the invention relates to a high pressure water tube boiler, consisting of at least an upper and a lower drum and a bundle of water tubes connecting them, .the upper drum being protected from the direct attack of the heating gases by a protecting shell arranged concentrically to the drum at a certain distance therefrom.
  • This shell is formed in a known manner 01 metal strips with half round. recesses for the tubes.
  • the purpose of the invention is to provide a simple and suitable support for this protecting shell. This purpose is attained according to the invention by supporting the metal strips upon straps running transversely with respect to the drum, the being suspended at both sides of the drum and the metal strips lying free upon them.
  • FIG. 1 showing a cross section through tl e boiler
  • FIGs. 3 and 4 showing views from below. of the shell, With different arrangements of the straps, fixing the shells,
  • the water tube boiler consists of an upper drum A and a lower drum B connected to one another by the tubes C.
  • the upper drum A is surrounded at its lower side exposed to the fire, by a shell D consisting manners according to the arrangement ot the water tubes.
  • Figs. 3 and 4- illustrate two arrangements, the straps of Fig. 3 extending perpendicularly with relation to the drum axis, while, as in Fig. 4 the water tubes are staggered with relation to each other the straps l extend in an oblique direction with relation to the drum axis and are superimposed inthis case diagonally in pairs.
  • Figs. 5 and 6 show two examples therefor. According to Fig. 5 the edges ot the strips cl are tapered at about said tapered surfaces engaging each other. According to Fig. 6 the edges are shouldered. at (Z and overlap each other.
  • the single strips are inserted between the tubes in upright position and then turned 90.
  • the shell may be removed in a similar manner, without any alteration as to the rest.
  • a water tube boiler comprising upper and lower drums, water tubes. connecting said drums, and a protecting shell arranged concentrically below said upper drum consisting of longitudinally running strips provided with recesses for the Water tubes, supporting means for said shell comprising straps running transversely of said shell and suspended at both sides of the drum, said strips lying tree upon said straps.
  • a boiler according to claim 1 in which said straps are arranged diagonally with respect to the axis of the drum andsupt-irimposed crosswise in pairs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Sewage (AREA)
US8992A 1924-03-06 1925-02-13 Water-tube boiler Expired - Lifetime US1665664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1665664X 1924-03-06

Publications (1)

Publication Number Publication Date
US1665664A true US1665664A (en) 1928-04-10

Family

ID=7738701

Family Applications (1)

Application Number Title Priority Date Filing Date
US8992A Expired - Lifetime US1665664A (en) 1924-03-06 1925-02-13 Water-tube boiler

Country Status (2)

Country Link
US (1) US1665664A (enExample)
GB (1) GB230459A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266467A (en) * 1964-11-25 1966-08-16 Ralph D Winship Bottom fired package boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266467A (en) * 1964-11-25 1966-08-16 Ralph D Winship Bottom fired package boiler

Also Published As

Publication number Publication date
GB230459A (enExample) 1925-09-17

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