US179148A - Improvement in combined metallurgic furnaces and steam-boilers - Google Patents

Improvement in combined metallurgic furnaces and steam-boilers Download PDF

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US179148A
US179148A US179148DA US179148A US 179148 A US179148 A US 179148A US 179148D A US179148D A US 179148DA US 179148 A US179148 A US 179148A
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furnaces
boiler
steam
combined
improvement
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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
    • F22B1/1807Methods 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 using the exhaust gases of combustion engines
    • F22B1/1815Methods 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 using the exhaust gases of combustion engines using the exhaust gases of gas-turbines

Definitions

  • Figure 1 represents a side elevation of an apparatus embodying Dur invention.
  • Fig. 2 represents a plan view of the same.
  • Fig. 3 represents a section on the plane of line l l
  • Fig. Fig. 4 represents a section on the plane of line 2 2
  • Fig. 5 represents a section 011 the plane of line 4 4, Fig. 3.
  • This invention is an improvement on that for which Letters Patent were granted to us November 25, 1873, said patented invention consisting in certain improvements in the construction of tinery-furnaces, and in the combination ot' one or more tinery-furnaces with a boiler in such lmanner that steam was generated by the waste heat from the furnaces.
  • Our present invention consists in certain additional improvements in the construction of tinery-furnaees and the boiler which is heated thereby, said improvements having ⁇ for their object to improve the result ot' the combination ot' the furnaces with the boiler, all of which we will now proceed to describe.
  • a A, Src. represent the nery-furnaces, which are constructed with double walls, having water-spaces, as in B represents the boiler, which is set in a suitable casing.
  • G In the sides of the furnaces A are arched openings, in which are placed the removable tuyere-plates D D, each having a tuyere-opening, E, and a tuyere-rest, F.
  • the tuyereplates D are secured to the sides of the openings in the furnace-walls by angle-irons H, which are .detachably connected to the furnace and the plates, thus enabling the latter to be removed when burnt out.
  • Beneath the bottom of each of the furnaces A is an air-chamber, I, which is provided tal flue, K, which is in turn connected with the stack or chimney of thc furnaces, or with any suitable device which will cause currents ot' outside air to enter the chambers I and pass through them into the flue K, these currents reducing ⁇ the temperature and pro-l longing the durability of the bottoms of the furnaces.
  • These currents of air which become heated by contact with the bottoms of the furnaces may be used to supply the tuyeres, thereby giving hot-blasts'to the furnaces.
  • the fines L' L are provided, if desirable, with tire-grates and doors, N N, at one end of the boiler, and at the opposite end open into a space, O, between the end ofthe boiler and the casing C.
  • the space O communicates with a flue, P, which extends under the boiler to the stack or chimney R, as shown in Fig.4.
  • the fines M are provided With cub-os 0r gatos, S, whereby the heal', from the furnaces may be excluded from the boiler.

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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)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

2 Sheets-Sheet 1.
l T. Asn` & lz. WALKER. COMBINED METALLURGIC FURNACE AND STEAM BOILER.
Patented June 27, 1876.
fm2/@Marot N.PETES. FHOTU-LITHOGFIAPNER, WASHINGTON, D C` 2 sheexs-sheet z. T. ASH & Z. WALKER.
COMBINED METALLURGIC FURNACE AND STEAM BOILER.. Nc 17g,148 Patented June 27,1876.
Jg. J.
N.FI`ERS. PHOTO-LIYNUGHAFHER, WASHINGTON. D. C. A
our former patent.
UNITED STATES rrron.
THOMAS ASH AND ZEGHARIAH WALKER, OF TRENTON, NEW JERSEY.
IMPROVEMENT IN COMBINED METALLURGIC FURNACES AND STEAM-BOILERS.
Specification forming part of Letters Patent No. 179, [48, dated June 27, 1876; application tiled a February 17, 1576.
To all 'whom 'it may concern:
Be it known that we, THOMAS ASH and ZEGHARIAH WALKER, of Trenton, in the county of Mercer and State ot' New Jersey, have invented certain Improvements in Fine'ry- Furnaces for the Manufacture of Iron, ot' which the following is a specification:
In the accompanying drawings, forming part of this specication, Figure 1 represents a side elevation of an apparatus embodying Dur invention. Fig. 2 represents a plan view of the same. Fig. 3 represents a section on the plane of line l l, Fig. Fig. 4 represents a section on the plane of line 2 2, Fig. 2. Fig. 5 represents a section 011 the plane of line 4 4, Fig. 3.
This invention is an improvement on that for which Letters Patent were granted to us November 25, 1873, said patented invention consisting in certain improvements in the construction of tinery-furnaces, and in the combination ot' one or more tinery-furnaces with a boiler in such lmanner that steam was generated by the waste heat from the furnaces.
Our present invention consists in certain additional improvements in the construction of tinery-furnaees and the boiler which is heated thereby, said improvements having` for their object to improve the result ot' the combination ot' the furnaces with the boiler, all of which we will now proceed to describe.
In the drawings, A A, Src., represent the nery-furnaces, which are constructed with double walls, having water-spaces, as in B represents the boiler, which is set in a suitable casing. G. In the sides of the furnaces A are arched openings, in which are placed the removable tuyere-plates D D, each having a tuyere-opening, E, and a tuyere-rest, F. The tuyereplates D are secured to the sides of the openings in the furnace-walls by angle-irons H, which are .detachably connected to the furnace and the plates, thus enabling the latter to be removed when burnt out.
Beneath the bottom of each of the furnaces A is an air-chamber, I, which is provided tal flue, K, which is in turn connected with the stack or chimney of thc furnaces, or with any suitable device which will cause currents ot' outside air to enter the chambers I and pass through them into the flue K, these currents reducing` the temperature and pro-l longing the durability of the bottoms of the furnaces.
These currents of air which become heated by contact with the bottoms of the furnaces may be used to supply the tuyeres, thereby giving hot-blasts'to the furnaces.
In our former patent the boiler was provided with one interior tube or due, into which branch tubes or fines from the furnaces opened. By this construction, when two series of furnaces are employed', one on each side ofthe boiler, direct openings are created across the boiler, and when the wind blows strongly the products of combustion are liable to be blown out of the mouths of the furnaces on the lee side of the boiler instead of being drawn into the boiler, thus depriving the boiler of much ot' the heat it would otherwise receive, and producing intense heat at the mouths of the furnaces, to the great inconvenience and discomfort of the workmen.
We now obviate this difficulty by providing the boiler with two fines or tubes, LL, between which there is no direct communication, each communicating onlyr with the series of furnaces adjacent to it, as shown in Fig. 3,' this communication being effected by ilues M, which are made partly in the boiler and partly in the casing (l.
The fines L' L are provided, if desirable, with tire-grates and doors, N N, at one end of the boiler, and at the opposite end open into a space, O, between the end ofthe boiler and the casing C. The space O communicates with a flue, P, which extends under the boiler to the stack or chimney R, as shown in Fig.4.
It will be seen that when the lires are kindled in the furnaces A, the products of coinbustion will pass to the chimney through the lues L L of the boiler, the space O and the ue P under the boiler, the latter being all the time subjected to the heat and receiving the fullest beneiit therefrom.
The fines M are provided With cub-os 0r gatos, S, whereby the heal', from the furnaces may be excluded from the boiler.
We claim as our invention- The combination of the boiler B, having theindependenb ues L L, the fines M, the furnaces A, Iche space O, and the flue P, all arranged and operating substantially as and for the purposes specified.
In testimony whereof we have signed our names to this specification in the presence of two subscribing Witnesses.
THOMAS ASH. ZEGHARIAH WALKER. Witnesses:
SAML. M. BARTON, C. F. BROWN.
US179148D Improvement in combined metallurgic furnaces and steam-boilers Expired - Lifetime US179148A (en)

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