US1410181A - Device for inspecting combustion in furnaces, flues, and the like - Google Patents

Device for inspecting combustion in furnaces, flues, and the like Download PDF

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Publication number
US1410181A
US1410181A US322210A US32221019A US1410181A US 1410181 A US1410181 A US 1410181A US 322210 A US322210 A US 322210A US 32221019 A US32221019 A US 32221019A US 1410181 A US1410181 A US 1410181A
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wall
combustion
furnace
flues
channel
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US322210A
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Hintze Johan Gustaf Wollmar
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M11/00—Safety arrangements
    • F23M11/04—Means for supervising combustion, e.g. windows
    • F23M11/042—Viewing ports of windows

Definitions

  • This invention consists of improved devices for use with furn'acesor their fiues, for enabling the progressor condition,"of combustion to be ascertained so that the quantity of air admitted can be regulated as nearly as possible to that theoretically required for proper combustion.
  • the devices according to this invention provide for the introduction, at any suitable part of a furnace, or furnace fine, of a current of air and the observation of the appearance, or behaviour, of a mixture of such air and the smoke present in the furnace, or flue.
  • Figure 1 is a vertical section on the line BB Figure 4 of the Wall with the device in place therein
  • Figure 2 is a horizontal section on the line AA Figure 1
  • Figure 8 shews part of the outer side of the furnace wall
  • Figure 4 shows part of the inside of the same wall.
  • the wall a (the outer side of which is on the right hand, and the inner side on the left hand, of Figure 1) two blocks 1) and c of fire clay, or other suitable material, are introduced.
  • the upper block b is provided with a downwardly directed nozzle d projecting into the passage-way for the smoke. the opening of said nozzle forming aprolongation of a channel 6 through the block which channel communicates with the open air by means of a channel 7 in the wall a.
  • a damper 9 preferably consisting of a rotatable plate.
  • the lower block 0 projects into the passage-way for the smoke and is perforated by an opening it funnel shaped at top, the central axis of the said passage and funnel coinciding with that of the mouth of the nozzle.
  • a. horizontal channel 2' extends through the wall a the outer end of the said channel i being provided with a transparent shutter 70.
  • g is opened, whenv the chimney draught draws in air in a quantity depending on the position of the said damper.
  • the air passes into the furnace, or fine, through the nozzle (Z, and then passes through the vertical opening it, carrying with it a quantity of the smoke after the manner of an injector.
  • the mixture of air and smoke thus obtained and leaving the vertical opening it at its lower end, can be observed from without through the shutter Z2 and passage 2'.
  • the device may be formed only of one block provided with the arrangements described.
  • the device is illustrated as being built into the wall a but it may, if desired, be loose and be arranged in such a manner that it can be inserted through an opening in the wall and removed therefrom after the observation has been made and the combustion in the furnace has been properly regulated.
  • means for detecting incomplete combustion comprising a bent nozzle on the inner wall of the structure and communicating with the atmosphere through a channel in said 1 Wall, a damper on the outer end of said channel, an injector element in front of the nozzle adapted to direct a jet of mixed air and furnace gases into a region of sufficiently high temperature to ignite the miX- ture if it contains combustible matter, and an inspection WindoWin said Wall so located that the jet can be viewed through the same.
  • a detector of incomplete combustion as claimed in claim 1, comprising a block adapted for insertion into the Wall of the structure and containing the air admission 2 channel, and another block also adapted to be inserted into the Wall and containing the second channel.
  • a detector of incomplete combustion as claimed in claim 2 comprising a block adapted to be inserted into the Wall of the structure and having the channel for admitting atmospheric air to the nozzle, and another blockalso adapted to be inserted into the wall and containing the inspection 3 Window.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

v1. (5. w. HENTZE. DEVICE FOR INSPECTINGCOMBUSTION IN FURNACES. FLUES, AND THE LIKE- APPLICATION FILED SEPT. 6, I919.
1,41 0, 1 8 1 Pa ented Man 21, 1922.
fnvenfor:
UNITED STATES PATENT oFF c JOHAN GUSTAF WOLLMAR HINTZE, 0F HELSINGBORG, SWEDEN.
. DEVICE non Insrno'rme COMBUSTION 11v FURNACES, FLUES, AND THE LIKE.
" Application filed September To aZLwZm/a it may concern Be "it known that I, JoHAN GUs'rAr lVoLL- MAR Hin'rzii, a subject of the King of Sweden, residing at Hovidsmansgatan 8, Helsingborg, Sweden, have invented certain new and useful Improvement; in Devices for Inspecting Combustion inFurnaces, Flues, and the like, of which the following is a specification.
This invention consists of improved devices for use with furn'acesor their fiues, for enabling the progressor condition,"of combustion to be ascertained so that the quantity of air admitted can be regulated as nearly as possible to that theoretically required for proper combustion.
The devices according to this invention provide for the introduction, at any suitable part of a furnace, or furnace fine, of a current of air and the observation of the appearance, or behaviour, of a mixture of such air and the smoke present in the furnace, or flue.
In the accompanying drawing a device in accordance with this invention is shown in the wall of a furnace. Figure 1 is a vertical section on the line BB Figure 4 of the Wall with the device in place therein, Figure 2 is a horizontal section on the line AA Figure 1, Figure 8 shews part of the outer side of the furnace wall and Figure 4: shows part of the inside of the same wall.
In the wall a (the outer side of which is on the right hand, and the inner side on the left hand, of Figure 1) two blocks 1) and c of fire clay, or other suitable material, are introduced. The upper block b is provided with a downwardly directed nozzle d projecting into the passage-way for the smoke. the opening of said nozzle forming aprolongation of a channel 6 through the block which channel communicates with the open air by means of a channel 7 in the wall a. In the outerend of the said channel f is a damper 9 preferably consisting of a rotatable plate.
The lower block 0, projects into the passage-way for the smoke and is perforated by an opening it funnel shaped at top, the central axis of the said passage and funnel coinciding with that of the mouth of the nozzle. Close below the block 0, a. horizontal channel 2', extends through the wall a the outer end of the said channel i being provided with a transparent shutter 70.
When the device is to be used. the damper Specification of Letters Patent.
Patented Mar. 21, 1922. e, 1919. serial no. 322,2i0.
g is opened, whenv the chimney draught draws in air in a quantity depending on the position of the said damper. The air passes into the furnace, or fine, through the nozzle (Z, and then passes through the vertical opening it, carrying with it a quantity of the smoke after the manner of an injector. The mixture of air and smoke thus obtained and leaving the vertical opening it at its lower end, can be observed from without through the shutter Z2 and passage 2'.
If carbonic oxide, orother combustible gas, be contained in the smoke, combustion takes place this being indicated by flame at the end of the opening'h. If, however, no such gas be present, the introduced air only cools the smoke and no flame is formed. From this it can be ascertained whether the combustion in the furnace is proceeding properly, or not, and the quantity of air introduced into the furnace for combustion can be regulated accordingly.
In place of two blocks the device may be formed only of one block provided with the arrangements described.
On the drawing the device is illustrated as being built into the wall a but it may, if desired, be loose and be arranged in such a manner that it can be inserted through an opening in the wall and removed therefrom after the observation has been made and the combustion in the furnace has been properly regulated.
It is not essential that the blocks 7), 0 shall be placed in the relative positions to each other illustrated in the drawing, as they may, in accordance with the direction of the draught be placed in other positions such as side by side, or the block 0 may be placed above the block b, and the nozzle d, be turned upward In place of making the channels 9, h, in blocks. of fire clay, or the like, the said channels may be constituted by tubes, the one 1'' for the introduction of air being placed in wall, a and the channel It being mounted at the inner end of the tube f.
Having now particularly described the nature of my invention and the manner of its operation, what I claim is:
1. In a furnace, flue, or like structure, 7
2. In a furnace, flue, or like structure,
means for detecting incomplete combustion comprising a bent nozzle on the inner wall of the structure and communicating with the atmosphere through a channel in said 1 Wall, a damper on the outer end of said channel, an injector element in front of the nozzle adapted to direct a jet of mixed air and furnace gases into a region of sufficiently high temperature to ignite the miX- ture if it contains combustible matter, and an inspection WindoWin said Wall so located that the jet can be viewed through the same.
3. A detector of incomplete combustion as claimed in claim 1, comprising a block adapted for insertion into the Wall of the structure and containing the air admission 2 channel, and another block also adapted to be inserted into the Wall and containing the second channel.
4. A detector of incomplete combustion as claimed in claim 2, comprising a block adapted to be inserted into the Wall of the structure and having the channel for admitting atmospheric air to the nozzle, and another blockalso adapted to be inserted into the wall and containing the inspection 3 Window.
In testimony Wl'lGl'GOfI have aflixed my signature in presence of-two Witnesses.
JOHAN GUSTAF WOLLMAR HINTZE.
NVitnesses J. A. MARTIN, K. G. GUsTArssoN.
US322210A 1919-09-06 1919-09-06 Device for inspecting combustion in furnaces, flues, and the like Expired - Lifetime US1410181A (en)

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US322210A US1410181A (en) 1919-09-06 1919-09-06 Device for inspecting combustion in furnaces, flues, and the like

Applications Claiming Priority (1)

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US322210A US1410181A (en) 1919-09-06 1919-09-06 Device for inspecting combustion in furnaces, flues, and the like

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