US3116348A - Gas treating device - Google Patents

Gas treating device Download PDF

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Publication number
US3116348A
US3116348A US45658A US4565860A US3116348A US 3116348 A US3116348 A US 3116348A US 45658 A US45658 A US 45658A US 4565860 A US4565860 A US 4565860A US 3116348 A US3116348 A US 3116348A
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gas
duct
gas flow
converging
transverse plate
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US45658A
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Alan B Walker
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Research Cottrell Inc
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Research Cottrell Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/54—Venturi scrubbers

Definitions

  • a further object is to provide a flooded disc scrubber wherein surfaces, which would normally be expected to drop below the dew point of the gases to be cleaned, are maintained on the downstream side of the scrubber disc deflector.
  • a further object is to provide means for varying the pressure drop and the spray characteristics of a flooded disc-type scrubber.
  • a gas treating device generally comprising gas flow conducting means having a wall portion converging at a relatively small angle in the direction of gas flow therethrough, a duct mounted centrally of the gas flow conducting means and having the downstream end connectable to a source of gas treating liquid and the upstream end opening into the converging gas flow passage, plate means carried about the upstream end of the duct with the extended surface of the plate means positioned generally normal to the direction of gas flow through the converging passage, transverse plate means carried at the upstream end of the duct, and a deflector member positioned at the liquid outlet end of the duct upstream of the transverse plate means.
  • FIG. 1 is a fragmentary transverse sectional view of an improved flooded disc scrubber
  • FIG. 2 is a section substantially on line 22 of FIG. 1;
  • FIG. 3 is an enlarged fragmentary sectional view through the gas treating liquid distributing means and the converging housing therefor.
  • 19 generally comprises a gas treating device which includes a conduit 12 through which the gas stream to be treated passes.
  • the conduit 12. is circular in crosssection and the gas being treated flows therethrough in the direction of the directional arrows A.
  • the upstream end 14 of the conduit 12 connects to a source of gas to be treated which may comprise a gas generating means such as a furnace or the gas being treated may be directed from other forms of gas cleaning or treating apparatus.
  • the downstream end 16 of the conduit 12 may connect to further gas treating and/ or cleaning apparatus or the like.
  • a converging section 18 Intermediate the upstream and downstream ends 14 and 16 is a converging section 18 having a relatively small angle of convergence in the direction of gas flow through the conduit.
  • the assembly also includes a duct 213' which is mounted centrally of the conduit 12 with the upstream end 22 terminating in the converging gas flow passage 18.
  • the downstream end of the duct 28 passes through a sealing bushing 24 which permits sliding movement of the duct 2i) axially of the converging gas flow passage.
  • the duct 2%) is connected to a source of gas treating fluid (not shown) by a flexible conduit 26 and a duct It will be particularly noted that for convenience in bringing the duct 2% outside of the gas flow conducting means 12, the conduit 12 is provided with a 90 bend as at 28.
  • the duct it is also supported by a bearing 31 adjacent the upstream end 22, which bearing is carried by a spider 32 suitably secured to the inner Wall of the gas conveying conduit 12. Adjacent the outlet end of the duct 20 is secured a plate member 34 which plate member is positioned with its extended surfaces generally normal to the gas flow through the converging passage.
  • the transverse plate member 34 in the illustrated form of the invention is greater in diameter than the diameter of the downstream end of the converging passage 18 whereby the passage may be completely shut off.
  • the duct 26 is also provided with a treating fluid deflector member generally designated 36 which deflector member is adjustably positioned at the liquid outlet end of the duct upstream of the transverse plate member 34.
  • the adjustable mounting means for the deflector member 36 comprises a shaft 38, the upper end of which. is secured to the lower surface of the deflector 36 while the lower shank portion of the shaft 3 8 is threaded as at 40 and mating threads are carried by a spider element 42 mounted within the duct 29.
  • the upstream face of the deflector member 36 is covered with a thermal insulating material 46 of a thickness selected to meet the requirements of the particular temperatures and gases involved in the scrubbing apparatus.
  • the purpose of this heat insulating barrier 46 is to limit conduction of heat from the deflector member fairing 48 to such a degree that the surface of the fairing 43 will not fall below the dew point of the gases passing through the conduit 12. While in the illustrated form of the invention, the fairing 48 is formed. of a material differing from the insulating barrier 46, it will be apparent to those skilled in the art that the fairing itself may be constructed of a suitable thermal insulating material.
  • all of the feed pipes and the like for the liquid treating medium are downstream of the point of contact between the gas stream and the liquid, thereby effectively reducing condensation and deposition of gas-borne particles on these elements.
  • the only element of the system presented to the gas stream above the point of contact between the gas treating liquid and the gas stream may be provided with a suitable thermal insulating means to effectively prevent the surface thereof from being cooled by the fluid treating substance to a temperature below the dew point of the gases being treated.
  • a blast furnace gas scrubber designed to operate with 50,000 c.f.m. gas flow at 30 inches pressure drop may have an outlet particle concentration of about 0.022/ grain of. NTP.
  • the pressure drop would then be only 10.8 inches and the efliciency of the Scrubber would drop to a point where the outlet concentration would be about 0.05 grain/cf. NTP or an approximate 2 /2 fold increase in dust load.
  • the pressure drop would then be 58.8 inches which substantial increases in pressure drop may not be available.
  • the duct 20 is provided with means generally designated 50 for axially varying the position of the transverse plate member 34 in the converging passage 18.
  • the illustrated axial shifting means comprises a motor 52, the output shaft of which carries a gear 54, which gear is in mesh with a rack 56 secured to the duct.
  • the spacing between the edge of the plate 34 and the tapered inner wall of the converging passage 18 may be effectively varied which, in turn, controls the pressure drop across the unit whereby the pressure drop is efiectively maintained substantially constant over a Wide range of gas flows thereby maintaining the scrubber at maximum efiiciency.
  • Positioning of the disc 34 within the throat of the converging section 18 may be achieved by activation of the motor means 52, either manually or automatically. Where automatic adjustment of the axial position of the transverse plate 34 is desired, a gas flow or pressure sensing means 58 may be positioned in the conduit 12 and connected by suitable electrical conductors or pressure fluid distributing means to a conventional controller for the motor 52.
  • a gas cleaning device comprising gas flow conducting means having a wall portion converging at a relatively small angle in the direction of gas flow therethrough, a duct mounted centrally of the gas flow conducting means and having the downstream end connectable to a source of gas treating liquid and the upstream end opening into the converging gas flow passage, a transverse plate member fixed to the upstream end of the duct, a deflector member secured to the liquid outlet end of the duct upstream of said transverse plate member and in ie path of liquid flow from the duct, said deflector member having a substantially flat surface against which the gas cleaning liquid impinges to deflect the liquid into said gas flow conducting means, means for axially moving the duct thereby simultaneously varying the position of the transverse plate member and the deflector member axially in said converging passage to vary the area of the air flow passage between the inner surface of the converging gas flow passage and the periphery of the transverse plate member, and further means for axially shifting only the deflector member relative to said transverse

Description

Dec. 31, 1963 A. B. WALKER GAS TREATING DEVICE Filed July 27, 1960 INVENTOR ALAN a WALKER ATTORNEY United States Patent 3,116,348 GAS TREATING DEVICE Alan B. Walker, Bound Brook, N .J assignor to Research- Cottrell, Ina, Bridgewater Township, N.J., a corporation of New Jersey Filed July 27, 1960, Ser. No. 45,658 1 Claim. (Cl. 26144) This invention relates to improvements in gas treating devices and in particular to improvements in flooded disctype scrubbers.
It is an object of the present invention to provide means for maintaining substantially constant pressure drop in a flooded disc scrubber operating under conditions of variable gas flow.
it is a further object of the present invention to provide, in a flooded disc scrubber, means for eliminating condensation and material buildup on scrubber parts positioned upstream of the flooded disc.
A further object is to provide a flooded disc scrubber wherein surfaces, which would normally be expected to drop below the dew point of the gases to be cleaned, are maintained on the downstream side of the scrubber disc deflector.
A further object is to provide means for varying the pressure drop and the spray characteristics of a flooded disc-type scrubber.
These and other objects and advantages are provided in a gas treating device generally comprising gas flow conducting means having a wall portion converging at a relatively small angle in the direction of gas flow therethrough, a duct mounted centrally of the gas flow conducting means and having the downstream end connectable to a source of gas treating liquid and the upstream end opening into the converging gas flow passage, plate means carried about the upstream end of the duct with the extended surface of the plate means positioned generally normal to the direction of gas flow through the converging passage, transverse plate means carried at the upstream end of the duct, and a deflector member positioned at the liquid outlet end of the duct upstream of the transverse plate means.
The invention will be more particularly described with reference to the illustrative embodiments thereof where- FIG. 1 is a fragmentary transverse sectional view of an improved flooded disc scrubber;
FIG. 2 is a section substantially on line 22 of FIG. 1; and
FIG. 3 is an enlarged fragmentary sectional view through the gas treating liquid distributing means and the converging housing therefor.
Referring to the drawings, 19 generally comprises a gas treating device which includes a conduit 12 through which the gas stream to be treated passes. In the illustrated form of the invention, the conduit 12. is circular in crosssection and the gas being treated flows therethrough in the direction of the directional arrows A.
The upstream end 14 of the conduit 12 connects to a source of gas to be treated which may comprise a gas generating means such as a furnace or the gas being treated may be directed from other forms of gas cleaning or treating apparatus. The downstream end 16 of the conduit 12 may connect to further gas treating and/ or cleaning apparatus or the like.
Intermediate the upstream and downstream ends 14 and 16 is a converging section 18 having a relatively small angle of convergence in the direction of gas flow through the conduit.
The assembly also includes a duct 213' which is mounted centrally of the conduit 12 with the upstream end 22 terminating in the converging gas flow passage 18. The downstream end of the duct 28 passes through a sealing bushing 24 which permits sliding movement of the duct 2i) axially of the converging gas flow passage. The duct 2%) is connected to a source of gas treating fluid (not shown) by a flexible conduit 26 and a duct It will be particularly noted that for convenience in bringing the duct 2% outside of the gas flow conducting means 12, the conduit 12 is provided with a 90 bend as at 28.
The duct it is also supported by a bearing 31 adjacent the upstream end 22, which bearing is carried by a spider 32 suitably secured to the inner Wall of the gas conveying conduit 12. Adjacent the outlet end of the duct 20 is secured a plate member 34 which plate member is positioned with its extended surfaces generally normal to the gas flow through the converging passage. The transverse plate member 34 in the illustrated form of the invention is greater in diameter than the diameter of the downstream end of the converging passage 18 whereby the passage may be completely shut off.
The duct 26) is also provided with a treating fluid deflector member generally designated 36 which deflector member is adjustably positioned at the liquid outlet end of the duct upstream of the transverse plate member 34. The adjustable mounting means for the deflector member 36 comprises a shaft 38, the upper end of which. is secured to the lower surface of the deflector 36 while the lower shank portion of the shaft 3 8 is threaded as at 40 and mating threads are carried by a spider element 42 mounted within the duct 29. With this form of assembly by screwing the shaft 38 into or out of the cooperating threads on the spider member 42, the spacing between the deflector 36 and the upper surface of the transverse plate member 34 is effectively varied within a suitable operating range.
The upstream face of the deflector member 36 is covered with a thermal insulating material 46 of a thickness selected to meet the requirements of the particular temperatures and gases involved in the scrubbing apparatus. The purpose of this heat insulating barrier 46 is to limit conduction of heat from the deflector member fairing 48 to such a degree that the surface of the fairing 43 will not fall below the dew point of the gases passing through the conduit 12. While in the illustrated form of the invention, the fairing 48 is formed. of a material differing from the insulating barrier 46, it will be apparent to those skilled in the art that the fairing itself may be constructed of a suitable thermal insulating material.
It will be particularly noted that all of the feed pipes and the like for the liquid treating medium are downstream of the point of contact between the gas stream and the liquid, thereby effectively reducing condensation and deposition of gas-borne particles on these elements. The only element of the system presented to the gas stream above the point of contact between the gas treating liquid and the gas stream may be provided with a suitable thermal insulating means to effectively prevent the surface thereof from being cooled by the fluid treating substance to a temperature below the dew point of the gases being treated.
It is a known characteristic of turbulent flow scrubbers that the pressure loss across the scrubbers is generally proportional to the square of the gas volume passing therethrough. It is also a recognized characteristic of, particularly, flooded disc scrubbers that the efficiency of operation is related directly to the pressure drop across the scrubbers. Therefore, any variation in gas flow volume from the design value of the equipment results in a rather rapid change in pressure drop with a subsequent variation in efiiciency of operation of the scrubber.
For example, a blast furnace gas scrubber designed to operate with 50,000 c.f.m. gas flow at 30 inches pressure drop, may have an outlet particle concentration of about 0.022/ grain of. NTP. On such an installation, if the actual gas flow fell below the designed values to, for example, about 30,000 c.f.m., the pressure drop would then be only 10.8 inches and the efliciency of the Scrubber would drop to a point where the outlet concentration would be about 0.05 grain/cf. NTP or an approximate 2 /2 fold increase in dust load. Similarly, if the actual operating gas flow increased to 70,000 c.f.m., the pressure drop would then be 58.8 inches which substantial increases in pressure drop may not be available.
In order to compensate for varying gas flow, the duct 20 is provided with means generally designated 50 for axially varying the position of the transverse plate member 34 in the converging passage 18. The illustrated axial shifting means comprises a motor 52, the output shaft of which carries a gear 54, which gear is in mesh with a rack 56 secured to the duct.
It will be noted that as the duct 20 and its transverse plate member 34 is axially shifted within the converging gas passage 18, the spacing between the edge of the plate 34 and the tapered inner wall of the converging passage 18 may be effectively varied which, in turn, controls the pressure drop across the unit whereby the pressure drop is efiectively maintained substantially constant over a Wide range of gas flows thereby maintaining the scrubber at maximum efiiciency.
Positioning of the disc 34 within the throat of the converging section 18 may be achieved by activation of the motor means 52, either manually or automatically. Where automatic adjustment of the axial position of the transverse plate 34 is desired, a gas flow or pressure sensing means 58 may be positioned in the conduit 12 and connected by suitable electrical conductors or pressure fluid distributing means to a conventional controller for the motor 52.
From the foregoing description, it will be seen that an improved efiicient and economical system for scrubbing gases is provided whereby the aims and objects of the invention are fully accomplished. It will also be ap parent to those skilled in the art that various modifications may be made in the form of the structures, without departing from the scope of the present invention.
I claim:
A gas cleaning device comprising gas flow conducting means having a wall portion converging at a relatively small angle in the direction of gas flow therethrough, a duct mounted centrally of the gas flow conducting means and having the downstream end connectable to a source of gas treating liquid and the upstream end opening into the converging gas flow passage, a transverse plate member fixed to the upstream end of the duct, a deflector member secured to the liquid outlet end of the duct upstream of said transverse plate member and in ie path of liquid flow from the duct, said deflector member having a substantially flat surface against which the gas cleaning liquid impinges to deflect the liquid into said gas flow conducting means, means for axially moving the duct thereby simultaneously varying the position of the transverse plate member and the deflector member axially in said converging passage to vary the area of the air flow passage between the inner surface of the converging gas flow passage and the periphery of the transverse plate member, and further means for axially shifting only the deflector member relative to said transverse plate member to vary the flow characteristics of the gas treating liquid.
References Cited in the file of this patent UNITED STATES PATENTS 1,644,338 Jones Oct. 4, 1927 1,701,600 Yeo Feb. 12, 1929 2,032,404 Fisher Mar. 3, 1936 2,060,166 Bowen Nov. 10, 1936 2,088,691 Dill Aug. 3, 1937 2,591,134 Canarus Apr. 1, 1952 2,621,754 Doyle Dec. 16, 1952 2,661,195 Van Bermmel et al. Dec. 1, 1953 2,899,185 Rector Aug. 11, 1959 2,964,304 Rice Dec. 13, 1960 FOREIGN PATENTS 76,807 Holland Dec. 15, 1954 245,468 Great Britain 1927
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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224683A (en) * 1964-01-28 1965-12-21 Morreale Joseph Fount aerator
US3284064A (en) * 1963-03-28 1966-11-08 Babcock & Wilcox Co Apparatus for recovery of heat and chemicals
US3331590A (en) * 1965-02-18 1967-07-18 Battenfeld Werner Pressure reducing control valve
US3350076A (en) * 1964-05-15 1967-10-31 Cottrell Res Inc Gas and liquid contact apparatus
US3451787A (en) * 1964-02-11 1969-06-24 Chemical Construction Corp Apparatus for condensation of pure solid melamine
US3517485A (en) * 1968-01-04 1970-06-30 Modern Equipment Co Apparatus for treating gases
US3601374A (en) * 1968-08-05 1971-08-24 Roger M Wheeler Apparatus for extracting solids from a gas stream
US3635000A (en) * 1970-03-13 1972-01-18 Cottrell Res Inc Combustion gas scrubbing system
US3747906A (en) * 1972-06-09 1973-07-24 Peabody Engineering Corp Deflector plate support
US3791108A (en) * 1970-10-10 1974-02-12 Bischoff Gasreinigung Flow-accelerating nozzle for gas scrubber
US3804386A (en) * 1971-09-13 1974-04-16 Peabody Engineering Corp Spray manifold
JPS5012418A (en) * 1973-06-06 1975-02-08
US4121908A (en) * 1976-04-23 1978-10-24 Linde Aktiengesellschaft Apparatus for the cooling of a cracking-gas stream
US4123238A (en) * 1975-08-16 1978-10-31 Gottfried Bischoff Bau Kompl. Gastreinigungs- Und Wasserruckkuhlanlagen Kommanditgesellschaft Flow-control nozzle for flue-gas scrubber
US4133655A (en) * 1976-02-25 1979-01-09 De Cardenas S.P.A. Scrubber for blast furnace gas
US4210428A (en) * 1977-11-29 1980-07-01 Ciba-Geigy Corporation Gas scrubbing plant and baffles therefor
US4260563A (en) * 1976-07-28 1981-04-07 Societe Sacilor, Acieries Et Laminoirs De Lorraine Apparatus including a venturi for removing impurities from a gaseous mixture
US4330490A (en) * 1980-12-04 1982-05-18 Seymour J. Kurtz Metering device
WO1984004798A1 (en) * 1983-05-26 1984-12-06 Bubb Anthony John Allen Throttled fluid mixing device
US4610850A (en) * 1980-12-29 1986-09-09 Kalininsky Politekhnichesky Institut Ussr Apparatus for producing fibrides of synthetic heterochain polymers
US4867669A (en) * 1988-10-24 1989-09-19 American Maplan Corporation Safety air plug and extrusion apparatus using same
US6419210B1 (en) * 1999-07-09 2002-07-16 David Nicholson Low Reversed-jet contacting of a gas stream having variable heat/mass content
US20040145069A1 (en) * 2003-01-21 2004-07-29 Low David Nicholson Nozzle valve type spray dryer
US20180215632A1 (en) * 2015-08-07 2018-08-02 Cleantek Industries Inc. Apparatus, systems and methods for management of raw water and emissions utilizing heat and/or pressure energy within combustion gas sources

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GB245468A (en) * 1925-01-03 1926-09-02 Lucien Harel An improvement in carburettors for internal combustion engines
US1644338A (en) * 1925-03-31 1927-10-04 Charles L Jones Discharging carbon dioxide
US1701600A (en) * 1927-03-29 1929-02-12 Edward J Yeo Carburetor
US2032404A (en) * 1935-06-03 1936-03-03 Ernest F Fisher Air cooling, washing, and humidifying apparatus
US2060166A (en) * 1934-11-12 1936-11-10 Bowen William Spencer Fluid treating mechanism and method
US2088691A (en) * 1936-07-13 1937-08-03 Gilbert D Dill Gas and liquid contacting means and method
US2591134A (en) * 1948-03-15 1952-04-01 Svend A Canariis Method of and an apparatus for the aeration of liquids
US2621754A (en) * 1949-04-12 1952-12-16 Cons Mining & Smelting Co Gas scrubber
US2661195A (en) * 1950-02-28 1953-12-01 Shell Dev Method and apparatus for atomizing liquids
US2899185A (en) * 1959-08-11 Carburetor x
US2964304A (en) * 1958-10-08 1960-12-13 Koppers Co Inc Automatically adjusted orifice plate blast furnace gas cleaner and backpressure system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL76807C (en) *
US2899185A (en) * 1959-08-11 Carburetor x
GB245468A (en) * 1925-01-03 1926-09-02 Lucien Harel An improvement in carburettors for internal combustion engines
US1644338A (en) * 1925-03-31 1927-10-04 Charles L Jones Discharging carbon dioxide
US1701600A (en) * 1927-03-29 1929-02-12 Edward J Yeo Carburetor
US2060166A (en) * 1934-11-12 1936-11-10 Bowen William Spencer Fluid treating mechanism and method
US2032404A (en) * 1935-06-03 1936-03-03 Ernest F Fisher Air cooling, washing, and humidifying apparatus
US2088691A (en) * 1936-07-13 1937-08-03 Gilbert D Dill Gas and liquid contacting means and method
US2591134A (en) * 1948-03-15 1952-04-01 Svend A Canariis Method of and an apparatus for the aeration of liquids
US2621754A (en) * 1949-04-12 1952-12-16 Cons Mining & Smelting Co Gas scrubber
US2661195A (en) * 1950-02-28 1953-12-01 Shell Dev Method and apparatus for atomizing liquids
US2964304A (en) * 1958-10-08 1960-12-13 Koppers Co Inc Automatically adjusted orifice plate blast furnace gas cleaner and backpressure system

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284064A (en) * 1963-03-28 1966-11-08 Babcock & Wilcox Co Apparatus for recovery of heat and chemicals
US3224683A (en) * 1964-01-28 1965-12-21 Morreale Joseph Fount aerator
US3451787A (en) * 1964-02-11 1969-06-24 Chemical Construction Corp Apparatus for condensation of pure solid melamine
US3350076A (en) * 1964-05-15 1967-10-31 Cottrell Res Inc Gas and liquid contact apparatus
US3331590A (en) * 1965-02-18 1967-07-18 Battenfeld Werner Pressure reducing control valve
US3517485A (en) * 1968-01-04 1970-06-30 Modern Equipment Co Apparatus for treating gases
US3601374A (en) * 1968-08-05 1971-08-24 Roger M Wheeler Apparatus for extracting solids from a gas stream
US3635000A (en) * 1970-03-13 1972-01-18 Cottrell Res Inc Combustion gas scrubbing system
US3791108A (en) * 1970-10-10 1974-02-12 Bischoff Gasreinigung Flow-accelerating nozzle for gas scrubber
US3804386A (en) * 1971-09-13 1974-04-16 Peabody Engineering Corp Spray manifold
US3747906A (en) * 1972-06-09 1973-07-24 Peabody Engineering Corp Deflector plate support
JPS5012418A (en) * 1973-06-06 1975-02-08
US4123238A (en) * 1975-08-16 1978-10-31 Gottfried Bischoff Bau Kompl. Gastreinigungs- Und Wasserruckkuhlanlagen Kommanditgesellschaft Flow-control nozzle for flue-gas scrubber
US4133655A (en) * 1976-02-25 1979-01-09 De Cardenas S.P.A. Scrubber for blast furnace gas
US4121908A (en) * 1976-04-23 1978-10-24 Linde Aktiengesellschaft Apparatus for the cooling of a cracking-gas stream
US4260563A (en) * 1976-07-28 1981-04-07 Societe Sacilor, Acieries Et Laminoirs De Lorraine Apparatus including a venturi for removing impurities from a gaseous mixture
US4210428A (en) * 1977-11-29 1980-07-01 Ciba-Geigy Corporation Gas scrubbing plant and baffles therefor
US4330490A (en) * 1980-12-04 1982-05-18 Seymour J. Kurtz Metering device
US4610850A (en) * 1980-12-29 1986-09-09 Kalininsky Politekhnichesky Institut Ussr Apparatus for producing fibrides of synthetic heterochain polymers
US4609506A (en) * 1983-05-26 1986-09-02 Spiro Investment A.G. Throttled fluid mixing device
EP0127991A1 (en) * 1983-05-26 1984-12-12 Spiro Machines S.A. Improvements in and relating to throttled fluid mixing devices
WO1984004798A1 (en) * 1983-05-26 1984-12-06 Bubb Anthony John Allen Throttled fluid mixing device
US4867669A (en) * 1988-10-24 1989-09-19 American Maplan Corporation Safety air plug and extrusion apparatus using same
US6419210B1 (en) * 1999-07-09 2002-07-16 David Nicholson Low Reversed-jet contacting of a gas stream having variable heat/mass content
US20040145069A1 (en) * 2003-01-21 2004-07-29 Low David Nicholson Nozzle valve type spray dryer
US6820865B2 (en) * 2003-01-21 2004-11-23 David Nicholson Low Nozzle valve type spray dryer
US20180215632A1 (en) * 2015-08-07 2018-08-02 Cleantek Industries Inc. Apparatus, systems and methods for management of raw water and emissions utilizing heat and/or pressure energy within combustion gas sources
US20190202713A1 (en) * 2015-08-07 2019-07-04 Cleantek Industries Inc. Apparatus, systems and methods for management of raw water and emissions utilizing heat and/or pressure energy within combustion gas sources
US11492270B2 (en) 2015-08-07 2022-11-08 Cleantek Industries Inc. Apparatus, systems and methods for management of raw water and emissions utilizing heat and/or pressure energy within combustion gas sources

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