US1568763A - System for rendering liquids noncorrosive - Google Patents
System for rendering liquids noncorrosive Download PDFInfo
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- US1568763A US1568763A US1568763DA US1568763A US 1568763 A US1568763 A US 1568763A US 1568763D A US1568763D A US 1568763DA US 1568763 A US1568763 A US 1568763A
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- tank
- water
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- 239000007788 liquid Substances 0.000 title description 56
- 238000009877 rendering Methods 0.000 title description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 52
- 238000010438 heat treatment Methods 0.000 description 24
- 239000007789 gas Substances 0.000 description 22
- 238000009835 boiling Methods 0.000 description 18
- 231100000078 corrosive Toxicity 0.000 description 14
- 231100001010 corrosive Toxicity 0.000 description 14
- 230000000875 corresponding Effects 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 230000001105 regulatory Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- 238000005273 aeration Methods 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000125205 Anethum Species 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 210000003371 Toes Anatomy 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 239000001264 anethum graveolens Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000004301 light adaptation Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
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Definitions
- This invention relates to a system for rendering water or other liquids non-corrosive by/the removal of the dissolved oxygen and other corrosive gases or materials therefrom, thus rendering it corrosively inactive.
- the object of this invention is to provide a simple," practical and eiiicient system in which the active corrosive agents are more or lessand for all practical purposes com letely removed from the liquid without raising the temperature of the same to the boiling point.
- the usual hot water system for a building is indicated by the tank 1, usually located.
- the water thus supplied in the ordinary manner carries corrosive gases dissolved therein,such as free oxygen and other free gases, such as carbonic acid gas and nitrogen, which especially when the water is heated and in motion, are very active corrosive agents which destroy the pipes and 'boiler and also produce gas pockets and .slugs in a closed hot water system, with resulting interference with the flow and circulation.
- gases dissolved therein such as free oxygen and other free gases, such as carbonic acid gas and nitrogen
- I provide a by-pass valve 10 in the supply line 2-3 which, when ciosed, causes the water to flow from the supply line 2 through a pipe 11, whichmay be provided with a valve 12, through a coil 13 in an auxiliary heater 14, from which it passes through a pipe 15, which may be provided with branches 16 and 17, to the interior of a tank or container 18, which tank 18 known as a dc-aerator. From this cleaerating tank the water passes through pipes 19 and 20, the latter being provided with a valve 21, to the supply ,line 3, on the opposite side of the by-pass valve 10, and thence through'the hot water system hereinbefore described.
- the de-aerating tank 18 is preferably located at a point sufliciently above the hot water system of pipes to the several floors to insure the flow of the Water thereto without the use of a pump.
- the auxiliary heater 14, as shown, com prises an outer shell or casing which encloses the coil 13 and to which hot water or steam. may be supplied and returned or circulated through the pipes 22 and 23, controlled by a thermostatic valve 94; or other suitable heating means may be used adapted to heat the water passing into the de-aerating tank 18 to a predetermined temperature a few degrees below the boiling point.
- the de-aerating tank 18 is equipped with a series of pans 25 positioned under the interior or discharge ends of, the branch pipes 16 and 17. These pans arearranged to produce a cascade effect as the water overflows from one to the other, or a series of sprays may be used, either in connection with or instead of the pans, the object being to agitate and separate the Water into small particles and thus cause the corrosive and other gases to be given off readily.
- a float 26 in the tank 18 is operatively connected by means of a lever 27 and link 28 to a valve 29in the supply pipe 15 and serves to regulate the level of the water in the tank 18.
- a vacuum pipe line 30 communicates with the upper part of the tank 18 above the water level for producing a partial vacuum therein and drawing off the gases given off from the water by means of any suitable
- a gauge 34 and vacuum breaker 35 may be connected in the vacuum line 30 to relieve the vacuum in the tank 18 when desired and also a thermostatic trap 36 may be connected in said line to regulate the vacuum according to the temperature of the gases and air drawn out from the tank 18.
- a vent ipe indicated by the dotted line 37, rovi ed with a valve 38, may be connecte to the pipe 30, as shown.
- the valve 38 which is normall closed, is opened and the valve 33 is close to render the vacuum pump 31 inoperative, the gases from the tank 18 in this case passingout through the vent pipe 37.
- corrosive or chemically active de-oxidizin or de-activatin materials may be used or the purpose o expediting the process and also, more particularly, for economically and effectively removing the remaining dissolved oxygen and other free corrosive gases from the liquid after it has been subjected to the mechanical agitation process.
- This'supplementar-y chemicalprovision for the de-oxidation of the liquid is especially useful where the volume of the liquid passing through the de-activator is large for a given time.
- a system for rendering liquids .noncorrosive which comprises a de-aerating tankprovided with means for agitating and separating the-liquid supplied thereto into small particles, automatically regulated heating means adapted to heat the liquid to and maintain the same at a temperature a few degrees below the boiling point corresponding to the pressure in said tank, meansior regulating the pressure in said tank, and'means for drawing off the liquid from said tank after agitation.
- a system for rendering liquids noncorrosive which comprises a de-aerating tank provided with means for agitating and separating the liquid into small particles, automatically regulated heating means adapted to heat the liquid to; a temperature a few degrees'below the boiling point corresponding to the pressure insaid tank, automatically controlled means for regulating the pressure in said tank, and means for drawin off the liquid from said tank after agitation.
- a system for rendering liquids noncorrosive which comprises a de-aerating tank provided with means for agitating and separating the liquid supplied thereto into small particles,- automatically controlled meanstor producing a partial vacuumiin said tank, means for heating the liquid be- .fore entering said tank to a temperature lower-than-the boiling oint corresponding to the pressure to whici it is subjected in said tank, and means for drawing offthe liquidfrom said tank after agitation.
- a system for rendering liquids noncorrosive which comprises a de-aerating tank provided with means for agitating and separating the liquid supplied thereto into small particles, means for producin a partial vacuum in said tank, automatica lly controlled means for heating the liquid beforeentering said tank to a predetermined constant temperature lower than the boiling point corresponding to the pressure to which it is subjected in said tank, and means, for drawing olf'the liquid fr'omsaid tank after agitation.
- a system for rendering liquids n'oncorrosive which comprises a .deaerating tank provided with means. for agitating and separating the liquid supplied thereto int0- small particles, automatically controlled means for producing a partial vacuum in said tank, automatically controlled .means for, heating the liquid be'fo re entering vsaid tank toe predetermined constant tempera; ture lower than the boiling; point. corresponding to the pressure to which it is subjected in said tank, andmeans for drawing off the liquid from said tank aften agitation
- I the said JOSEPH F. MUSSELMAN, have signed my'name tothis specification, this 10th day of March, 1920..
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Description
. a I 1 568363 J. MussELMAN SYSTEM FOR RENDERINCT LIQUIDS NONCORROSIVE Filed March 27'. 1920 WJTNESS: INVENTOR.
- MF V ATTORNEY.
Patented Jan. 5, 1926.
, UNITED STATES. PATENT OFFICE.
JOSEPII F. MUSSELMAN, F BRONXVIIJLE, NEW YORK, A SSIGNOR, BY MESNE AS- SIGNMENTS, T0 ELLIOTT COMPANY, 1 OF PITTSBURGH, PENNSYLVANIA, A COR- PORATION OF PENNSYLVANIA:
SYSTEM FOR REI TDERING- LIQUIDS NONCORRQSIVE.
Application filed March 27, 1920. Serial No. 369,364.
To all whom it may concemt:
Be it known that JOSEPH F. MUssELM AN, a citizen of the United States, residing at Bronxville, Westchester County, New York, has invented certain new and useful Improvements in a System for Rendering Liquids Noncorrosive, of which the following is a specification. I
This invention relates to a system for rendering water or other liquids non-corrosive by/the removal of the dissolved oxygen and other corrosive gases or materials therefrom, thus rendering it corrosively inactive.
The object of this invention is to provide a simple," practical and eiiicient system in which the active corrosive agents are more or lessand for all practical purposes com letely removed from the liquid without raising the temperature of the same to the boiling point.
The invention consists in. the novel, arrangement and construction of the apparatus, as will appear more fully hereinafter in connection with thedescription of the illustrative embodiment of the same shownin the accompanying drawings and particularly defined in the. claims. p
In the drawings '1 have shown, in conventional diagrammatic form, a typical arrangement or adaptation of my invention to the hot water system of a building, the object being to prevent corrosion in the sys tem of pipes through which the water is delivered to the'several parts of-the-building and also in the boiler or other heating means for heating the water supply.
The usual hot water system for a building is indicated by the tank 1, usually located.
on-the roof, from which the water is'supplied through the pine line 2-3 to the heat ing tanks or boilers 44, from which the several floors are supplied through the pipe 5 and risers 6, 7, and 8. Thereturn pipe 9 carries the circulation and surplus water back to the boilers or heating .tanks 44.'
The water thus supplied in the ordinary manner carries corrosive gases dissolved therein,such as free oxygen and other free gases, such as carbonic acid gas and nitrogen, which especially when the water is heated and in motion, are very active corrosive agents which destroy the pipes and 'boiler and also produce gas pockets and .slugs in a closed hot water system, with resulting interference with the flow and circulation.
To accomplish the removal of these gases andother results, I provide a by-pass valve 10 in the supply line 2-3 which, when ciosed, causes the water to flow from the supply line 2 through a pipe 11, whichmay be provided with a valve 12, through a coil 13 in an auxiliary heater 14, from which it passes through a pipe 15, which may be provided with branches 16 and 17, to the interior of a tank or container 18, which tank 18 known as a dc-aerator. From this cleaerating tank the water passes through pipes 19 and 20, the latter being provided with a valve 21, to the supply ,line 3, on the opposite side of the by-pass valve 10, and thence through'the hot water system hereinbefore described. The de-aerating tank 18 is preferably located at a point sufliciently above the hot water system of pipes to the several floors to insure the flow of the Water thereto without the use of a pump.
The auxiliary heater 14, as shown, com prises an outer shell or casing which encloses the coil 13 and to which hot water or steam. may be supplied and returned or circulated through the pipes 22 and 23, controlled by a thermostatic valve 94; or other suitable heating means may be used adapted to heat the water passing into the de-aerating tank 18 to a predetermined temperature a few degrees below the boiling point.
The de-aerating tank 18 is equipped with a series of pans 25 positioned under the interior or discharge ends of, the branch pipes 16 and 17. These pans arearranged to produce a cascade effect as the water overflows from one to the other, or a series of sprays may be used, either in connection with or instead of the pans, the object being to agitate and separate the Water into small particles and thus cause the corrosive and other gases to be given off readily.
A float 26 in the tank 18 is operatively connected by means of a lever 27 and link 28 to a valve 29in the supply pipe 15 and serves to regulate the level of the water in the tank 18.
- A vacuum pipe line 30 communicates with the upper part of the tank 18 above the water level for producing a partial vacuum therein and drawing off the gases given off from the water by means of any suitable A gauge 34 and vacuum breaker 35 may be connected in the vacuum line 30 to relieve the vacuum in the tank 18 when desired and also a thermostatic trap 36 may be connected in said line to regulate the vacuum according to the temperature of the gases and air drawn out from the tank 18. The construction and operation of these several devices is well understood and need not be explained in detail here, as the same are the usual commercial apparatus made and sold for this purpose.
I have found by a number of experiments with my system that in order to insure the,
de-aeration or driving off of substantially all of the active corrosive and other gases from the water it is only necessary to raise the temperature of the same to a point a few degrees under the boiling oint corresponding to the pressure to w ich it is subjected and by creating a partial vacuum in the de-aerating tank 18 the de-aeration takes place at a still lower temperature, as
the boiling point is lowered, and by regu-'- lating the vacuum this operative or working temperature can be lowered, within certain limits, to any desired point, resulting in a greater economy in the operation of the auxiliary heating ,means 13--14 and also permitting the use of a heating less capacity without reducing t of the system.
In some cases it may be desirable to operatethe de-aerating tank 18 at atmospheric pressure and in such case a vent ipe, indicated by the dotted line 37, rovi ed with a valve 38, may be connecte to the pipe 30, as shown. When this is used the valve 38, which is normall closed, is opened and the valve 33 is close to render the vacuum pump 31 inoperative, the gases from the tank 18 in this case passingout through the vent pipe 37.
I also contemplate that corrosive or chemically active de-oxidizin or de-activatin materials may be used or the purpose o expediting the process and also, more particularly, for economically and effectively removing the remaining dissolved oxygen and other free corrosive gases from the liquid after it has been subjected to the mechanical agitation process. This'supplementar-y chemicalprovision for the de-oxidation of the liquid is especially useful where the volume of the liquid passing through the de-activator is large for a given time. T
It will be obvious that my invention is adapted and useful for many purposes in means of efiiciency addition to that described and shown in connection with the water supply of buildings, among which may be mentioned the making of artificial ice, in which the formation of cores and opaqueness is avoided when the water is treated in accordance with this invcntionbefore freezing. lVhen used for this purpose the advantage of being able to deliver the water at a com paratively low temperature will be apparent.
As many changes could be made in the above construction and arrangement and many apparently widely dill'erent embodiments of my invention designed without de arting from the scope of the appende claims, I intend that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative merely of an o erative embodiment of my invention an not in a limiting sense.
What I claim is:
1. A system for rendering liquids .noncorrosive, which comprises a de-aerating tankprovided with means for agitating and separating the-liquid supplied thereto into small particles, automatically regulated heating means adapted to heat the liquid to and maintain the same at a temperature a few degrees below the boiling point corresponding to the pressure in said tank, meansior regulating the pressure in said tank, and'means for drawing off the liquid from said tank after agitation.
.2. A system for rendering liquids noncorrosive, which comprises a de-aerating tank provided with means for agitating and separating the liquid into small particles, automatically regulated heating means adapted to heat the liquid to; a temperature a few degrees'below the boiling point corresponding to the pressure insaid tank, automatically controlled means for regulating the pressure in said tank, and means for drawin off the liquid from said tank after agitation.
3. A system for rendering liquids noncorrosive, which comprises a de-aerating tank provided with means for agitating and separating the liquid supplied thereto into small particles,- automatically controlled meanstor producing a partial vacuumiin said tank, means for heating the liquid be- .fore entering said tank to a temperature lower-than-the boiling oint corresponding to the pressure to whici it is subjected in said tank, and means for drawing offthe liquidfrom said tank after agitation.
4:. A system for rendering liquids noncorrosive, which comprises a de-aerating tank provided with means for agitating and separating the liquid supplied thereto into small particles, means for producin a partial vacuum in said tank, automatica lly controlled means for heating the liquid beforeentering said tank to a predetermined constant temperature lower than the boiling point corresponding to the pressure to which it is subjected in said tank, and means, for drawing olf'the liquid fr'omsaid tank after agitation.-
5, A system for rendering liquids n'oncorrosive, which comprises a .deaerating tank provided with means. for agitating and separating the liquid supplied thereto int0- small particles, automatically controlled means for producing a partial vacuum in said tank, automatically controlled .means for, heating the liquid be'fo re entering vsaid tank toe predetermined constant tempera; ture lower than the boiling; point. corresponding to the pressure to which it is subjected in said tank, andmeans for drawing off the liquid from said tank aften agitation In testimony whereof, I, the said JOSEPH F. MUSSELMAN, have signed my'name tothis specification, this 10th day of March, 1920..
JOSEPH F. MUSSE LMANr
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US1568763A true US1568763A (en) | 1926-01-05 |
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US1568763D Expired - Lifetime US1568763A (en) | System for rendering liquids noncorrosive |
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