US1746564A - Heat economizer - Google Patents

Heat economizer Download PDF

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Publication number
US1746564A
US1746564A US237783A US23778327A US1746564A US 1746564 A US1746564 A US 1746564A US 237783 A US237783 A US 237783A US 23778327 A US23778327 A US 23778327A US 1746564 A US1746564 A US 1746564A
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Prior art keywords
economizer
chamber
heat
gas
tube
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Expired - Lifetime
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US237783A
Inventor
Louis D Summers
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LEADER IRON WORKS
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LEADER IRON WORKS
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Priority to US237783A priority Critical patent/US1746564A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/24Feed-water heaters, i.e. economisers or like preheaters with fire tubes or flue ways traversing feed-water vessels

Definitions

  • My invention relates to heat economizers adapted to be used in operative connection With a heatingplant; an object being in this economizer particularly to provide means for 5 causing the normally Wasted hot products of combustion emanating from the combustion chamber of a heating plant to give up the greater percentage of their heat to water, steam or other heat absorbing mediums 1 through the principle of counterflow while the gases are moving on their way to a dis charge flue communicating with the heating plant.
  • a further object of my invention is to provide an economizer in which the hot gas flows countercurrent to the fluid to be heated.
  • An object of my invention is to provide in an economizer of this character a means of easy access to the inner chambers of the economizer and to provide an easily detachable hood at the top thereof adapted to merely rest in operative position upon the shell of the economizer when assembled.
  • a particular object of my invention is found in the fact that in its simple and convenient details of construction it may be easily and quickly installed in a heating plant that has already been in operation and that it is adapted to operate successfully within a large heating plant or to be used in connection with an ordinary house furnace; the principle of operation being practical in either case.
  • Fig. 1 is an elevation partly in section of my economizer.
  • Fig. 2 is a vertical section.
  • Fig. 3 is a top view of my heat economizer.
  • Fig. 4 is a horizontal cross section taken on the line l4; of Fig. 1.
  • Fig. 5 is a small sectional view showing the inclined position of upper andlower headers 6- and 7.
  • My heater will conserve the heat that is wasted when hot gases pass directly from a combustion chamber to a discharge flue.
  • Tube plates Referring now to the operating details of my economizer I provide an upright drum -11 constructed so as to formwithin its enclosure an upper hot gas receiving chamber -2 normally covered by a conveniently detachable hood 3 and a lower gas chamher 4 at the base of the drum.
  • the purpose of the by-pass pipe -9 and the damper therein is to provide a quick and easy direct passage of the hot products ofcombustion coming from the combustion chamber of a heating plant through pipe -18 into the upper gas chamber 2 so that these gases may when it is desired pass L up through by-pass pipe9- and out through gas discharge pipe -11.
  • This arrangement may be required occasionally when the economizer is connected with a domestic heating plant until the fire in the combustion chamber is well started, after which the damper 12 is closed whereupon the thermostatically controlled element 14 therein expands and releases the damper plate -15 to pivotally turn on its axis 16-- by the gravity force on the counterbalance 17-- of the plate.
  • a clean-out door -22- for lower gas chamber -4 is provided.
  • A. fire tube; economize'r of the character described comprising am upright shell, spaced tube sheets dividing the shell into chambers,v upright fire tubes secured in the tube sheets, a hot gas inlet and outlet for the upper chamber-and: ahot gas outlet and cleanout opening for the lower chamber, a fluid in-let and outlet, for the chamber between said tube-sheets, and an unsecured removable anhula-r flangedcover' plate normally fitting on topof said shell over said upper chamber and .pmvided with integral hand hold loops.

Description

Feb. 11, 1930. L. D. SUMMERS 1346,564
HEAT ECONOMIZER Filed Dec- 1927 I s Sheets-Sheet 1 INVENTOR Feb. 11, 1930. p. SUMMERS HEAT ECONOMIZER Filed Dec. 5, 1927 5 Sheets-Sheet 2 INVENTMI AT TORNE 5/3. WFM
Feb. 11, 1930. L. D. SUMMERS 1,746,564
HEAT ECONOMI ZER Filed Dec. 5, 192'? 3 Sheets-Sheet 3 15 I 6 iLQ L C /3 l i V h I 7\ l i is I JYNVENTWR l I ig'5 aj} M16124 l 22 ATTORNEY; I
Patented Feb. 11, 1930 UNITED STATES LOUIS 1). SUMMERS, OF DECATUR, ILLINOIS, ASSIGNOR TO LEADER IRON WORKS,
OF DECATUR, ILLINOIS 9 HEAT Economizer:
Application filed December 5, 1927. Serial 'No. 237,783..
My invention relates to heat economizers adapted to be used in operative connection With a heatingplant; an object being in this economizer particularly to provide means for 5 causing the normally Wasted hot products of combustion emanating from the combustion chamber of a heating plant to give up the greater percentage of their heat to water, steam or other heat absorbing mediums 1 through the principle of counterflow while the gases are moving on their way to a dis charge flue communicating with the heating plant.
A further object of my invention is to provide an economizer in which the hot gas flows countercurrent to the fluid to be heated.
An object of my invention is to provide in an economizer of this character a means of easy access to the inner chambers of the economizer and to provide an easily detachable hood at the top thereof adapted to merely rest in operative position upon the shell of the economizer when assembled.
A particular object of my invention is found in the fact that in its simple and convenient details of construction it may be easily and quickly installed in a heating plant that has already been in operation and that it is adapted to operate successfully within a large heating plant or to be used in connection with an ordinary house furnace; the principle of operation being practical in either case.
I attain the objects of my invention in the economizer described in the annexed specification recited in the claim and illustrated in the accompanying drawings in whichlike reference numerals indicate like parts in the several figures.
Fig. 1 is an elevation partly in section of my economizer.
Fig. 2 is a vertical section. Fig. 3 is a top view of my heat economizer. Fig. 4 is a horizontal cross section taken on the line l4; of Fig. 1.
Fig. 5 is a small sectional view showing the inclined position of upper andlower headers 6- and 7.
My heater will conserve the heat that is wasted when hot gases pass directly from a combustion chamber to a discharge flue.
through the iwater chamber. Tube plates Referring now to the operating details of my economizer I provide an upright drum -11 constructed so as to formwithin its enclosure an upper hot gas receiving chamber -2 normally covered by a conveniently detachable hood 3 and a lower gas chamher 4 at the base of the drum. Between these gas chambers I provide an intermediate water chamber -5- with an upper tube plate -6 and a lower tubeplate 7" circumferentially secured to the wall or the upright drum and carrying a group of upright gas tubes -8*providing passage forthe hot products of combustion from the upper gas chamber to the lower gas chamber 6 and 7-- are slightlyinclined in order that any vapor forming within the water chamber may collect at one side of the said chamber and be easily released through pipe is 19 thus avoiding cracking and popping.
In the construction of my economizer I provide a by-pass gas tube 9 operatively connected to a centrally disposed opening 10 in hood 3; which pipe is connected with the gas discharge fine 11 and has at the junction point with said flue a thermostatic damper -12- adapted to automatically control the movement of gases through by-pass tube 9. This thermostatically controlled damper is the subject of a separate and distinct application for patent and is not claimed in this case.
The purpose of the by-pass pipe -9 and the damper therein is to provide a quick and easy direct passage of the hot products ofcombustion coming from the combustion chamber of a heating plant through pipe -18 into the upper gas chamber 2 so that these gases may when it is desired pass L up through by-pass pipe9- and out through gas discharge pipe -11. This arrangement may be required occasionally when the economizer is connected with a domestic heating plant until the fire in the combustion chamber is well started, after which the damper 12 is closed whereupon the thermostatically controlled element 14 therein expands and releases the damper plate -15 to pivotally turn on its axis 16-- by the gravity force on the counterbalance 17-- of the plate.
Thus when damper plate 15 is closed the gases will pass downwardly through the tubes 8 and give up their heat to the Water or steam surrounding the said tubes. r
Cold water enters chamber 5 through, pipe 18 and comes first into contact with the coldest portion of pipes 8. It then rises to the hottestportion of the said pipes in the top of the heater from which it escapes at a high temperature through pipe -19-.
It will be seen that a convenience for handling hood 3 is provided in handles -20 and 2l-.
A clean-out door -22- for lower gas chamber -4 is provided.
Having thus described the nature of my invention what I 'claimis:
A. fire tube; economize'r of the character described comprising am upright shell, spaced tube sheets dividing the shell into chambers,v upright fire tubes secured in the tube sheets, a hot gas inlet and outlet for the upper chamber-and: ahot gas outlet and cleanout opening for the lower chamber, a fluid in-let and outlet, for the chamber between said tube-sheets, and an unsecured removable anhula-r flangedcover' plate normally fitting on topof said shell over said upper chamber and .pmvided with integral hand hold loops.
In witness whereof, I hereunto set my-ha-nd thisllthday of. November, A. D., 1927. LOUIS D. SUMMERS.
US237783A 1927-12-05 1927-12-05 Heat economizer Expired - Lifetime US1746564A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521866A (en) * 1946-09-09 1950-09-12 Oran W Ott Air-heating furnace with automatically controlled air by-pass for preventing condensation
US4143817A (en) * 1977-02-17 1979-03-13 Oliver John F Automatic fireplace heating system
EP0473654A1 (en) * 1989-05-26 1992-03-11 SULTAN, Marcel Universal liquids heat transfer economizer
US20220205631A1 (en) * 2019-04-22 2022-06-30 Takayuki Ino Economizer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521866A (en) * 1946-09-09 1950-09-12 Oran W Ott Air-heating furnace with automatically controlled air by-pass for preventing condensation
US4143817A (en) * 1977-02-17 1979-03-13 Oliver John F Automatic fireplace heating system
EP0473654A1 (en) * 1989-05-26 1992-03-11 SULTAN, Marcel Universal liquids heat transfer economizer
EP0473654A4 (en) * 1989-05-26 1993-08-04 Marcel Sultan Universal liquids heat transfer economizer
US20220205631A1 (en) * 2019-04-22 2022-06-30 Takayuki Ino Economizer
US11732885B2 (en) * 2019-04-22 2023-08-22 Takayuki Ino Economizer

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