US731300A - Cupola. - Google Patents

Cupola. Download PDF

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Publication number
US731300A
US731300A US15085603A US1903150856A US731300A US 731300 A US731300 A US 731300A US 15085603 A US15085603 A US 15085603A US 1903150856 A US1903150856 A US 1903150856A US 731300 A US731300 A US 731300A
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United States
Prior art keywords
receiver
air
cupola
pipe
pipes
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Expired - Lifetime
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US15085603A
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Timothy Holland
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Priority to US15085603A priority Critical patent/US731300A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00Subject-matter not provided for in other groups of this subclass

Definitions

  • SHEETS-SHEET WITNESSES m/ VENTOH 2 z'iflai/qfiQZZahaZ BYW A TTOHNE YS.
  • This invention relates to improvements in furnace-cupolas for melting metals, an ob ject being to provide a simple means for introducing hot-air blasts into the cupola to quickly raise and maintain a uniform temembodying my invention.
  • Fig. 2 is a plan view thereof, and Fig. 3 is a section on the line 3 3 of Fig. 1.
  • 5 designates the cupola, substantiallyof the usual construc tion-that is, consisting of. a metal casing and a lining of brick or other suitable material.
  • air-jacket 6 and suspended from the upper end thereof is an air-receiver 7, which'is closed at its top, excepting for the pipes that lead therein, as will be'hereinafter described.
  • the cold-air-inlet pipe 9 1 leads into the air-receiver 7 through the partitions and nearly to the bottom of said receiver.
  • 7 pipes 10 lead into the combustion-boxes 11 at the lower end of the cupola and communicate with the interior thereof.
  • Each pipe 10 is provided with a valve 12, so that the passage of air may be regulated. From the pipes 10 by-pass tubes 13 lead into the boxes 11, and also leading into said boxes through On the upper end of the cupola is an From the upper end of the receiver the open ends of the tubes 13 are.
  • hydrocarbon-oil-supply tubes 14, provided with valves 15, and valves 16 are also provided for the tubes 13.
  • a branch pipe 17 leads from the air-supply pipe 9 and isformed in a coil 18 around the receiver 7, and the inner end of this coil is connected to one of the pipes 10.
  • a branch pipe 19 also leads from the pipe 9
  • This silica will become incandescent by the heat from the hydrocarbon-oil jets, which are forced into the cupola by the air-blast through the tubes 13.
  • the cold-air inlet through the pipe 9 is discharged into the receiver 7, the coil 18, and the jacket 6 and in its circula tion in these devices becomes heated to a very high degree by the burning gases in the cupola.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fats And Perfumes (AREA)

Description

No. 731,800. PATENTED JUNE 16, 1903.
T. HOLLAND.
GUPOLA.
APPLICATION FILED APR. 3, 1903.
no MODEL.
2 SHEETS-SHEET WITNESSES: m/ VENTOH 2 z'iflai/qfiQZZahaZ BYW A TTOHNE YS.
PATENTED JUNE 16, 1903..
T. HOLLAND.
CUPOLA.
APPLIHATION FILED APR. 3, 1903.
2 SHEBTS-SHEET .2.
N0 MODEL.
W/ TNE SSE S.
A TT'OHNE rs.
UNITED STATES Patented June 16, 1903.
PATENT OFFIC TIMOTHY HOLLAND; OF NEW YORK, N. Y.
oueoLA.
SPECIFICATION forming part of Letters Patent No. 731,300, dated June 16, 1903.
Application filed April 3, 1903.: Serial No. 150,856. (No model.)
To all whom it may concern.-
Be it known that I, TIMOTHY HOLLAND, a citizen of the United States, and a resident of the city of New York, borough of Manhattan,
in the county and State of New-York, have invented a new and Improved Oupola, of which the following is a full, clear, and exact description.
This invention relates to improvements in furnace-cupolas for melting metals, an ob ject being to provide a simple means for introducing hot-air blasts into the cupola to quickly raise and maintain a uniform temembodying my invention. Fig. 2 is a plan view thereof, and Fig. 3 is a section on the line 3 3 of Fig. 1.
Referring to the drawings, 5 designates the cupola, substantiallyof the usual construc tion-that is, consisting of. a metal casing and a lining of brick or other suitable material. air-jacket 6, and suspended from the upper end thereof is an air-receiver 7, which'is closed at its top, excepting for the pipes that lead therein, as will be'hereinafter described.
Arranged in the air-receiver 7 are horizontal partitions 8, the alternating partitions having openings at one end, so that air will be directed upward in a zigzag manner, thus breaking the air to cause its quick and thorough heating- The cold-air-inlet pipe 9 1 leads into the air-receiver 7 through the partitions and nearly to the bottom of said receiver. 7 pipes 10 lead into the combustion-boxes 11 at the lower end of the cupola and communicate with the interior thereof. Each pipe 10 is provided with a valve 12, so that the passage of air may be regulated. From the pipes 10 by-pass tubes 13 lead into the boxes 11, and also leading into said boxes through On the upper end of the cupola is an From the upper end of the receiver the open ends of the tubes 13 are. hydrocarbon-oil-supply tubes 14, provided with valves 15, and valves 16 are also provided for the tubes 13. A branch pipe 17 leads from the air-supply pipe 9 and isformed in a coil 18 around the receiver 7, and the inner end of this coil is connected to one of the pipes 10.
A branch pipe 19 also leads from the pipe 9 This silica will become incandescent by the heat from the hydrocarbon-oil jets, which are forced into the cupola by the air-blast through the tubes 13. The cold-air inlet through the pipe 9 is discharged into the receiver 7, the coil 18, and the jacket 6 and in its circula tion in these devices becomes heated to a very high degree by the burning gases in the cupola.
' By extending the pipes 9 and 19 nearly to the bottom' of the receiver and thejacket entering cold air will prevent the melting or burning of the receiver and jacket. From the receiver and jacket the air is carried by the pipes and tubes to the boxes 11, and consequently into the cupola, where it mingles with the products of combustion, maintaining a very high and steady degree of heat.
IIaving thus described my invention, I claim as new and desire to secure by Letters Patent 1. The combination with a cupola, of an air-receiver arranged in the cupola, an airbaffling device in the receiver, a pipe leading into the receiver and terminating near the bottom thereof, and means for conducting air from the receiver to the lowerinterior of the cupola.
2. The combination with a cupola, of an air-receiver suspended therein, partitions arranged in said receiver one above another and opening alternately at opposite ends, a cold-air-supply pipe leading into the receiver and nearly to the bottom thereof, and pipes leading from the receiver into the lower por tion of the cupola.
3. The combination with a cupola, of an air-receiver arranged in the upper portion thereof, an air-supply pipe leading into said receiver, a cold-air-supply pipe having a portion coiled around the said receiver, the said pipe communicating with the lower portion of the cupola, and pipes leading from the receiver to the lower portion of said cupola.
4. The combination with a cupola, of an air-receiver therein, means for supplying cold air to'said receiver, a pipe coiled around said receiver, means for conducting cold air to said coil, apipe providing communication between said receiver and the lower portion of the cupola, an air-jacket at the upper portion of said cupola,-a cold-air pipe leading therein, a pipe providing communication between said jacket and the cupola, and pipes leading and oil-supply tubes extended into said boxes v and into the outlet ends of the by-pass tubes. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
TIMOTHY HOLLAND.
' Witnesses:
.TNo. M. BITTER,
O. R. FERGUSON.
US15085603A 1903-04-03 1903-04-03 Cupola. Expired - Lifetime US731300A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723651A (en) * 1952-02-18 1955-11-15 Foster Wheeler Corp Fluid heaters
US2735481A (en) * 1956-02-21 Reichhelm
US2744744A (en) * 1950-03-09 1956-05-08 United States Steel Corp Method of introducing air to burners of reversing type furnaces
US2944531A (en) * 1953-09-09 1960-07-12 Electricite De France Fire-boxes operating on atomized fuel
US3357471A (en) * 1965-03-29 1967-12-12 Thermo Electron Eng Corp High temperature generating high intensity burners

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735481A (en) * 1956-02-21 Reichhelm
US2744744A (en) * 1950-03-09 1956-05-08 United States Steel Corp Method of introducing air to burners of reversing type furnaces
US2723651A (en) * 1952-02-18 1955-11-15 Foster Wheeler Corp Fluid heaters
US2944531A (en) * 1953-09-09 1960-07-12 Electricite De France Fire-boxes operating on atomized fuel
US3357471A (en) * 1965-03-29 1967-12-12 Thermo Electron Eng Corp High temperature generating high intensity burners

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