US2489893A - Apparatus for purifying and feeding sample gas - Google Patents

Apparatus for purifying and feeding sample gas Download PDF

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Publication number
US2489893A
US2489893A US548106A US54810644A US2489893A US 2489893 A US2489893 A US 2489893A US 548106 A US548106 A US 548106A US 54810644 A US54810644 A US 54810644A US 2489893 A US2489893 A US 2489893A
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gas
liquid
pipe
chamber
purifying
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US548106A
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Johnson Clarence
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Elsag Bailey Inc
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Bailey Meter Co
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Priority to US314189A priority Critical patent/US2358285A/en
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Priority to US548106A priority patent/US2489893A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40Concentrating samples
    • G01N1/4055Concentrating samples by solubility techniques
    • G01N2001/4066Concentrating samples by solubility techniques using difference of solubility between liquid and gas, e.g. bubbling, scrubbing or sparging
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00Gas and liquid contact apparatus
    • Y10S261/54Venturi scrubbers

Description

Nov. 29, 1949 c. JOHNSON 2,489,893

APPARATUS FOR PURIFYING AND FEEDING SAMPLE GAS Original Filed Jan. 16, 1940 ANALYZ E R 1 I ANALYZEP:'''

Zhwentor CLARENCE JOHNSON 3g FIG. I k9-\ attorney Patented Nov. 29, y 1949 NITE o; orsicr.

APPAnATusFoR PURIIFY-ING ANDFEEDING. SAMPLE Gas- 7 Clarence Johnson, Siluth E irclid Gilli)? as'signol to Bailey Meter Company; a corporationof" Delaware Original application J anilary 16',v 140,. Seri-al Nos 314 1892 Divided and this application August 4, 1944; serial Nin 548,106

Fig. 1 represents an aspirating fapparatiis for use with agas analyzer fortsupplyi'ng a continuious gas sample thereto;

Fig. 2 represents a modified form of sampling apparatus for continuously supplying the g'as"'-- analyzer withaga-s-sample, particularly wliere the gas sample may; contain gaseous and solid contaminants. g

In the use of my analyzer as disclosed and claimed in my Patent No." 213581285" it is orpri mary importance that gases'to be analy'zdin my apparatus be free from substances that'ma'y 'be" injurious to the vital working parts, as to detectors and catalysts, and that such gases be fed in a constant, unvarying stream. Cases which tend to occlude or poison catalysts and detectors greatly shorten their utility, necessitating frequent replacements. I have therefore devised a means for my apparatus of securing a proper sample of gas. I use the aspirating method of Fig. 1 for securing a continuous and proper gas sample to my analyzer where the exhaust gases are nearly entirely devoid of poisonous gases as sulphurous compounds and suspended solid matter. Such gases issue usually from gas and oil fired furnaces. Then, tapping such furnace at a representative point (not shown) the sample is sucked through pipe 65 of aspirator 66 by means of the aspirating effect of a stream of water issuing from a nozzle 61 into a diverging cone 68. A pump 69 having a supply source and the reservoir H furnishes the water at a desired pressure. This mixture of gas and Water is then forced through numerous circumferential orifices 13 of a baille plate 12 in the flow path of the mixture and substantially at the foot of the aspirator cone 68. The level of reservoir H is determined by an overflow pipe 14 which leads into a gas tight cylinder 15. The overflow will also carry out any floating material rising to the surface of the reservoir whence it flows to waste through 15 and U-shaped pipe 16. Reservoir H can be occasionally cleaned by means of valve 11 in pipe 13. The gas brought in by the water is forced through pipe 14 into cylinder 15 where its flow is reversed, causing it to further yield any entrained liquid it may have, then from cylinder 15 it flows out through pipe 19 through a final felt filter 80 to my analyzer. A

(c1. les -2601 artibular advantage cft'rii's reciretuating aspirate;

ing typ'e qr gayup lying means is the small" amount or'aucitibnai-fieshwatee that is' needed w V is the ad cumulatiorr of r'e'servdir' H, and-'t-lli's' supplyis used fer 'its qperatien. The inai over repeatedly.

usewher'e' gases parr sulbnurous miiaures nd a good dear-orash.v The gas samplin'g pipe-e1 e'x' tendsfrom cut'a furnace-Waltz tapping a repref sentat yeucea tibn srfiuegasess Apipe'a's meets 8W outside the furnace warms T connection;

tam'pressuregivenit byaliquid"operatingvacuum pump 84 commercially known as a Hi'ztbfpurh'ri,

and obtaining watei supply from an indicated source 85," ca'rrie's the'flii'e" gas into" awasliing" and der is a finely meshed screen 88 of a metallic material for taking out any corrosive gases and solid matter. The pipe 8| descends into the cylinder 86 below the screen and to a short distance from its base, causing the gas to reverse its flow and to bubble upwardly to the upper portion thereof where it is collected and forced out. The gas is then sucked through pipe 81 into the overflow chamber 89 where it is again reversed and taken in through pipe 90, the pump 84 through a felt filter 92 and into the analyzing apparatus. The overflow, containing residue, is continually carried off by waste pipe 9|.

Thus while I have disclosed an apparatus capable of performing a multiplicity of functions, I further realize that it is susceptible of many modifications, and I therefore wish not to be limited by my disclosure but by the attached claims in view of prior art.

This application constitutes a division of my copending application Serial No. 314,189 filed January 16, 1940, now Patent No. 2,358,285, granted September 12, 1944.

What I claim as new and desire to secure by Letters Patent of the United States is:

1. An apparatus for supplying a gas sample to a gas analyzer comprising, in combination, a conduit adapted to communicate with a source of gas to be analyzed, means communicating with said conduit and discharging a continuous diverging stream of liquid relative thereto from a source for producing .an aspirating effect which draws a desired quantity of gas through said conduit into the liquid stream, a single flaring chamber into which the gas and liquid are discharged from 3 said last mentioned means, bafliing means in said chamber for creating a quiescent zone near the bottom thereof wherein said gas and liquid separate, a portion of said chamber below said bafliing means forming a reservoir for the separated gas and liquid, a single overflow outlet for both the filled with liquid, a conduit communicating with a source of gas to be analyzed and entering said chamber near the top, means entering the chamber adjacent said conduit and discharging a stream of liquid relative thereto, a downwardly diverging aspirating cone in the upper portion of said chamber arranged to so cooperate with the entering liquid and conduit that the liquid flow causes a continuous stream of gas to be drawn from the source and delivered through the cone, means below the cone and above thte liquid level for delaying the liquid fall and separating the gas therefrom, means above the liquid level for conducting the separated gas to the analyzer, and means for conducting the separated liquid from the bottom of the chamber to'said first mentioned means.

3. The apparatus as defined in claim 2 in which the gas conduction means includes a combined gas and liquid run-ofi pipe extending for a portion of its length horizontally from said chamber at the level of the top of the liquid therein and means to supply excess liquid to said system to make up for that discharged from said pipe.

4. The apparatus as defined in claim 3 in which a non-flooded chamber is provided intermediate the first chamber and the analyzer, said run-oil? pipe having a portion entering said second chamber vertically and terminating near the bottom thereof, a liquid discharge pipe for said second chamber, a trap in said discharge pipe to prevent the egress of gas and a gas discharge pipe extending from near the top of said second chamber.

CLARENCE JOHNSON.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 934,227 Sonka Sept. 14, 1909 1,313,832 Patterson Aug. 19, 1919 1,638,104 Roucha Aug. 9, 1927 1,808,956 Ketterer June 9, 1931 1,809,325 Austin et a1 June 9, 1931 1,829,649 Harrison Oct. 27, 1931 1,942,323 Blodgett Jan. 2, 1934 2,090,994 Brandes Aug. 24, 1937 2,323,525 Ebel et a1 July 6, 1943 FOREIGN PATENTS Number Country Date 641,892 Germany Feb. 17, 1937 OTHER REFERENCES Bureau of Mines Bulletin 12, Apparatus and Methods for the Sampling and Analysis of Furnace Gases, by Frazer et .al. (1913), pp. 69.

(Copy in 23-254.)

US548106A 1940-01-16 1944-08-04 Apparatus for purifying and feeding sample gas Expired - Lifetime US2489893A (en)

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Application Number Priority Date Filing Date Title
US314189A US2358285A (en) 1940-01-16 1940-01-16 Gas analyzer
US548106A US2489893A (en) 1940-01-16 1944-08-04 Apparatus for purifying and feeding sample gas

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255575A (en) * 1962-05-31 1966-06-14 Texaco Inc Apparatus for obtaining bubble-free sample, and method for obtaining same
US3391577A (en) * 1965-09-13 1968-07-09 Cabot Corp Gas sampling apparatus
US3438261A (en) * 1967-03-01 1969-04-15 Phillips Petroleum Co Sampling system
US3474661A (en) * 1967-08-07 1969-10-28 Dow Chemical Co Analyzer for determination of hydrogen in chlorine or for determination of inerts in chlorine
US3667193A (en) * 1969-04-24 1972-06-06 William A Mckenzie Smoke pollution eliminator
US3668825A (en) * 1969-08-28 1972-06-13 Nat Dust Collector Corp Method and apparatus for determining the difficulty of removing pollutants by wet scrubbing action
US3870082A (en) * 1972-12-26 1975-03-11 Micron Eng Inc Venturi-type devices
US4147500A (en) * 1976-06-30 1979-04-03 Elkem-Spigerverket A/S System for continuous analysis of gasses
US4699886A (en) * 1985-05-07 1987-10-13 Societe Nationale Elf Aquitaine (Production) Method of preparing gas samples from liquids initially containing such gases
US5355719A (en) * 1991-08-17 1994-10-18 Horiba, Ltr. Drain separator in gas analyzer
US5454860A (en) * 1994-01-04 1995-10-03 Cetac Technologies Inc. System for generating and providing a gaseous phase sample at relatively sequentially constant pressure and flow rate
US6001155A (en) * 1997-03-17 1999-12-14 Pease; John R. Polyphasic pressurized homogenizer
US6119534A (en) * 1999-01-21 2000-09-19 Seagate Technology, Inc. Dynamic headspace outgassing system
US6444001B1 (en) * 2000-03-14 2002-09-03 Glenn E. Sheffield Separator and separator system
US6550347B2 (en) * 2000-11-30 2003-04-22 Bruce J. Bradley Vacuum air component sampler
US20040149007A1 (en) * 2003-02-04 2004-08-05 Stephen Staphanos Sample handling system with solvent washing
US8241410B1 (en) 2008-10-17 2012-08-14 Alchem Environmental LLC Ancillary embodiments and modifications to a polyphasic pressurized homogenizer
US9144205B2 (en) 2008-10-17 2015-09-29 Alchem Environmental Ip Llc Hydroponics applications and ancillary modifications to a polyphasic pressurized homogenizer
US9757683B1 (en) 2008-10-17 2017-09-12 Alchem Environmental Ip Llc Polyphasic pressurized homogenizer (PPH) and methods for methane purification

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US934227A (en) * 1909-02-18 1909-09-14 William J Sonka Milk-cooler.
US1313832A (en) * 1919-08-19 Electric httmidierer
US1638104A (en) * 1922-08-14 1927-08-09 Roucka Erich Measuring system
US1809325A (en) * 1927-11-15 1931-06-09 American Smelting Refining Apparatus for automatically withdrawing gas samples
US1808956A (en) * 1930-06-17 1931-06-09 Schutte & Koerting Co Apparatus for and method of combining liquids and gases
US1829649A (en) * 1925-11-12 1931-10-27 Brown Instr Co Electrical gas analyzing apparatus
US1942323A (en) * 1931-01-09 1934-01-02 Moto Meter Gauge & Equip Corp Gas analyzer
DE641892C (en) * 1933-07-20 1937-02-17 Therese Junkers Geb Bennhold With a Sperrfluessigkeit process gas analysis equipment
US2090994A (en) * 1936-10-02 1937-08-24 Otto W Brandes Gas purifying apparatus
US2323525A (en) * 1938-04-29 1943-07-06 Glenn L Martin Co Feeding of fuel to engines

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1313832A (en) * 1919-08-19 Electric httmidierer
US934227A (en) * 1909-02-18 1909-09-14 William J Sonka Milk-cooler.
US1638104A (en) * 1922-08-14 1927-08-09 Roucka Erich Measuring system
US1829649A (en) * 1925-11-12 1931-10-27 Brown Instr Co Electrical gas analyzing apparatus
US1809325A (en) * 1927-11-15 1931-06-09 American Smelting Refining Apparatus for automatically withdrawing gas samples
US1808956A (en) * 1930-06-17 1931-06-09 Schutte & Koerting Co Apparatus for and method of combining liquids and gases
US1942323A (en) * 1931-01-09 1934-01-02 Moto Meter Gauge & Equip Corp Gas analyzer
DE641892C (en) * 1933-07-20 1937-02-17 Therese Junkers Geb Bennhold With a Sperrfluessigkeit process gas analysis equipment
US2090994A (en) * 1936-10-02 1937-08-24 Otto W Brandes Gas purifying apparatus
US2323525A (en) * 1938-04-29 1943-07-06 Glenn L Martin Co Feeding of fuel to engines

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255575A (en) * 1962-05-31 1966-06-14 Texaco Inc Apparatus for obtaining bubble-free sample, and method for obtaining same
US3391577A (en) * 1965-09-13 1968-07-09 Cabot Corp Gas sampling apparatus
US3438261A (en) * 1967-03-01 1969-04-15 Phillips Petroleum Co Sampling system
US3474661A (en) * 1967-08-07 1969-10-28 Dow Chemical Co Analyzer for determination of hydrogen in chlorine or for determination of inerts in chlorine
US3667193A (en) * 1969-04-24 1972-06-06 William A Mckenzie Smoke pollution eliminator
US3668825A (en) * 1969-08-28 1972-06-13 Nat Dust Collector Corp Method and apparatus for determining the difficulty of removing pollutants by wet scrubbing action
US3870082A (en) * 1972-12-26 1975-03-11 Micron Eng Inc Venturi-type devices
US4147500A (en) * 1976-06-30 1979-04-03 Elkem-Spigerverket A/S System for continuous analysis of gasses
US4699886A (en) * 1985-05-07 1987-10-13 Societe Nationale Elf Aquitaine (Production) Method of preparing gas samples from liquids initially containing such gases
US5355719A (en) * 1991-08-17 1994-10-18 Horiba, Ltr. Drain separator in gas analyzer
US5454860A (en) * 1994-01-04 1995-10-03 Cetac Technologies Inc. System for generating and providing a gaseous phase sample at relatively sequentially constant pressure and flow rate
US6001155A (en) * 1997-03-17 1999-12-14 Pease; John R. Polyphasic pressurized homogenizer
US6119534A (en) * 1999-01-21 2000-09-19 Seagate Technology, Inc. Dynamic headspace outgassing system
US6444001B1 (en) * 2000-03-14 2002-09-03 Glenn E. Sheffield Separator and separator system
US6550347B2 (en) * 2000-11-30 2003-04-22 Bruce J. Bradley Vacuum air component sampler
US20040149007A1 (en) * 2003-02-04 2004-08-05 Stephen Staphanos Sample handling system with solvent washing
US20040149053A1 (en) * 2003-02-04 2004-08-05 Stephen Staphanos Sample handling system with solvent washing
US8241410B1 (en) 2008-10-17 2012-08-14 Alchem Environmental LLC Ancillary embodiments and modifications to a polyphasic pressurized homogenizer
US9144205B2 (en) 2008-10-17 2015-09-29 Alchem Environmental Ip Llc Hydroponics applications and ancillary modifications to a polyphasic pressurized homogenizer
US9757683B1 (en) 2008-10-17 2017-09-12 Alchem Environmental Ip Llc Polyphasic pressurized homogenizer (PPH) and methods for methane purification
US10369513B2 (en) 2008-10-17 2019-08-06 Alchem Environmental Ip Llc Methods for methane purification

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