US3814327A - Nozzle for chemical reaction processes - Google Patents

Nozzle for chemical reaction processes Download PDF

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Publication number
US3814327A
US3814327A US00131684A US13168471A US3814327A US 3814327 A US3814327 A US 3814327A US 00131684 A US00131684 A US 00131684A US 13168471 A US13168471 A US 13168471A US 3814327 A US3814327 A US 3814327A
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US
United States
Prior art keywords
nozzle
inlet means
fluid
reaction zone
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00131684A
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English (en)
Inventor
A Dada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Priority to US00131684A priority Critical patent/US3814327A/en
Priority to ES401291A priority patent/ES401291A1/es
Priority to GB1466872A priority patent/GB1361533A/en
Priority to IT22701/72A priority patent/IT950974B/it
Priority to DE2215958A priority patent/DE2215958C2/de
Priority to SE7204400A priority patent/SE394857B/xx
Priority to BE781679A priority patent/BE781679A/xx
Priority to CH500772A priority patent/CH577339A5/xx
Priority to JP3395472A priority patent/JPS5615944B1/ja
Priority to NL7204629A priority patent/NL7204629A/xx
Priority to FR7212145A priority patent/FR2136221A5/fr
Application granted granted Critical
Publication of US3814327A publication Critical patent/US3814327A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C01G43/01—Oxides; Hydroxides
    • C01G43/025—Uranium dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
    • C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00157—Controlling the temperature by means of a burner

Definitions

  • a nozzle for injecting fluid reactants into a reaction zone is presented in various embodiments.
  • the nozzle is held by a supporting means and has a first inlet means for receiving and guiding a first fluid reactant into the reaction zone.
  • the nozzle has a second inlet means for receiving and guiding a shielding fluid into the reactionzone for temporarily separating the fluid reactants entering the reaction zone.
  • a third inlet means is disposed and slightly recessed within the second inlet means and has a chamber for receiving a second fluid reactant which chamber is connected preferably to a plurality of tubular members for guiding the second fluid reactant into the reaction zone.
  • directional control plate is secured transversely in the second inlet means and this plate is provided with openings through which the plurality of tubular members extend coaxially forming an annular opening around each tubular member enabling the shielding fluid in the second inlet means to flow unidirectionally through the annular openings and then into the reaction zone.
  • Still another object of this invention is to provide a reactive fluids in nozzles having separate inlets to a renozzle with a directional control plate producing unidiaction zone at proper conditions for carrying out the desired reaction usually by producing a flame.
  • the nozzles for feeding the reactive fluids to the reaction zones are designed for specific purposes and rectional flow of a shielding fluid around tubular members introducing a reactant into a reaction zone thus temporarily and efficiently shielding and separating the reactant from another reactant in the reaction zone aIC nOt Useful in a variety Of applications.
  • Pat. No. 3,796,672 entitled Process for Producing Uranium Dioxide Rich Compositions From Uranium Hexafluoride, filed Oct. 2, 1970 in the names of W. R. DeHollander and A. G. Dada, 3 presents a very satisfactory reaction for the conversion of uranium hexafluoride to uranium dioxide rich compositions.
  • the foregoing patent is hereby incorporated by reference for convenience of presenting the present-invention.
  • Ser. No.77,446, US. Pat. No. 3,796,672 In the process presented in Ser. No.77,446, US. Pat. No. 3,796,672,
  • the uranium hexafluoride is reacted with a reducing gas and an oxygen-containing carrier gas in a reduction-hydrolysis reaction in an active flame to yield a uranium dioxide rich composition.
  • uranium dioxide rich composition is a particulate, solid product, and it is desirableto have the reaction removed from the inlets introducing the reactants to the reac tig zone to prevent plugging of have a nozzle for introducing to a reaction zone the reactants needed for producing uranium dioxide so that the resulting reaction flame is removedor lifted away from the nozzle used to introduce the OBJECTS OF THE INVENTION It is an object of this invention to provide nozzle configurations for introducing fluid reactants to a reaction zone separated by a shielding fluid to prevent temporarily substantial mixing and reaction of the fluid reactants until the reactants are removed from the nozzle. Another object of this invention is to provide nozzle fluid reactants issuing from the nozzle results in controlled location of solid reaction product away from the nozzle.
  • a further object of this invention is to control the point of formation of a reactive mixture between adja-
  • An additional object of this invention is to provide apparatus in the in the form' of a nozzle mounted in a cover adapted to fit a reaction vessel defining an enclosed reaction zone for flame conversion of fluid reactants avoiding the buildup of solid reaction products at the outlet of the nozzle and the back diffusion of reaction products to the outlet of the nozzle since the reaction is removed from the nozzle.
  • This invention achieves the foregoing objects by presenting a nozzle for guiding fluid reactants into a re action zone in various embodiments.
  • the nozzle is held by a supporting means and has a first inlet means for receiving and guiding a first fluid reactant into the reaction zone.
  • the nozzle has a second inlet means for receiving and guidingashielding fluid into the reaction zone for temporarily separating the fluid reactants entering the reaction zone.
  • a third inlet means is disposed within and recessed within the second inlet means and has a chamber for receiving a second fluid reactant which chamber is connected, to at least one tubular member for guiding the second fluid reactant into the reaction zone.
  • a directional control plate is secured transversely in the second inlet means and this plate is provided with an opening for each tubular member to extend there through so that the plate coaxially forms an annular opening around each tubular member enabling the shielding fluid in the second inlet means to flow unidirectionally through the annular opening and then into the reaction zone.
  • FIGS. 1 and 2 show respectively a top view partially cut away and a cut away side view of the upper portion of a reactor having a nozzle as presented in this invention.
  • FIGS. 3 and 4 show'respect ively a top view partially cut away and a cut away side view of the upper portion of a reactor having another embodiment of the nozzle presented in this invention.
  • FIGS. 5 andti show respectively a top view and a lsectionalside view of the lower portion of a nozzle
  • FIG. 8 shows another topview of a p fefiarred embodiment of the lower portion of a nozzle which has four tubular members symmetrically arranged on an irrgtginary circle.
  • FIGS. 1 and 2 there is presented an apparatus having a nozzle generally designated by the number mounted in a supporting means such as a cover 11 which forms an air tight seal (which can be disconnected) with reaction vessel 12 defining an enclosed reaction zone 9.
  • First inlet means in the form of two tubes 13 are mounted and sealed in cover 11 on opposite sides of tube 18.
  • Vessel 12 has an outwardly protruding space 14 which holds a pilot burner 15 which can receive gas and maintain a pilot flame 16 to initiate a flame reaction.
  • the nozzle 10 has a second inlet means in the form of tube 18 with two tubular inlets 19 for introduction of a fluid, particularly a shielding fluid.
  • the tube 18 is positioned preferably in a centrally located opening in cover II and sealed in an air tight seal by seals 17.
  • the tube 18 has a cover 20 with an opening for a tubular inlet 21 for introduction of a fluid, particularly a second fluid reactant.
  • a third inlet means is disposed within tube 18 in the form of tubular chamber 23 defining a volume 22 for receiving fluid from inlet 21.
  • Chamber 23 has eight openings in portion 24 of size equal to the outer diameter of eight tubes 25 which are connected to chamber 23 such as by welding or threading so that tubes 25 receive the gas mixture from chamber 23.
  • Tube 18 extends farther into the reaction zone 9 than tubes 25 by the distance generally designated
  • a directional control plate 26 is secured transversely in the lower portion of tube 18 at a distance 1 above the open ends of tubes 25 and this plate is provided with openings through which tubes 25 extend.
  • the plate 26 coaxially forms an annular opening
  • a continuous flow of a reactant of a reducing gas selected from the group consisting of hydrogen, dissociated ammonia and mixtures thereof is maintained in tubes 13 in the direction of the arrows throughout the reaction so that there is a strong reducing atmosphere generally maintained in the .reaction zone 9.
  • a shielding gas is fed through inlets 19 into tube 18 in the direction of the arrows into the reaction zone 9.
  • the shielding gas can be a non-reactive gas selected from the group consisting of nitrogen, argon, helium, neon, krypton, xenon and mixtures thereof or the shielding gas can be a reactive gas selected from the group consisting of oxygen, air or a mixture thereof, or either air, oxygen or a mixture of air and oxygen with any of the foregoing non-reactive gases.
  • a reactant comprising a mixture of uranium hexafluoride and an oxygen-containing carrier gas is fed through inlet 21,
  • the oxygen-containing carrier gas is selected from the group consisting of oxygen, air and mixtures thereof.
  • the flow's of the gases in tubes 18 and 25 occur so that the shielding gas in tube 18 surrounds the jets of gaseous reactant coming from tubes 25 as the gases enter the reaction zone 9.
  • the shielding gas shields the mixture of uranium hexafluoride and the oxygen-containing carrier gas from the reducing gas for' sufficient time so that the boundary of initiation of the reaction flame 28 in the reaction zone 9 is removed from contact with tube 18 and this is referred to as a lifted flame.
  • the reaction results in a bright orange flame.
  • FIGS. 3 and 4 Another configuration of the nozzle generally designated by the number 30 is presented in FIGS. 3 and 4 using two concentric outer tubes 33 and 38.
  • the nozzle 30 is mounted and sealed by seals 37 in a supporting means such as a cover 31 which forms an air tight seal (which can be disconnected) with reaction vessel 32 defining a reaction zone 29.
  • Vessel 32 has an outwardly protruding space 34 which holds a pilot burner 35 which receives gas and maintains a pilot flame 36 to initiate a flame reaction.
  • the nozzle 30 has a first inlet means in the form of tube 33 with tubular inlets 47 for introduction of afluid reactant and a second inlet means in the form of tube 38 with two tubular inlets 39 for introduction of another fluid.
  • Tube 38 has a cover 40 with an opening for a tubular inlet 41 for introduction of a fluid.
  • a third inlet means is disposed in tube 38 inthe form'oftubular chamber 43 defining a volume 42 for receiving fluid from inlet 41.
  • Chamber 43 has eight openings in the portion 44 of size equal to the external diameter of tubes 45 which are connected to chamber 43 such as by welding or threading so that tubes 45 receive the fluid from chamber 43.
  • Tubes 33 and 38 extend further into the reaction zone 29 than tubes 45 by the distance generally designated d.
  • a directional control plate 46 is secured transversely in the lower portion of tube 38 at a distance 1 above the open ends of tubes 45 and this plate is provided with openings through which tubes 45 extend.
  • the plate 46 coaxially forms an annular opening around each tube 45. Plate 46 forces the shielding fluid to pass through the annular openings and then into the reaction zone surrounding the jets of fluid reactant from tubes 45.
  • the relation between the size of the holes in the plate and the thickness of the plate 46 is such that the shielding fluid passes between the plate 46 and the tubes 45 in approximately unidirectional flow toward the reaction zone 29.
  • the symbol The preferred use of the foregoing nozzle of this invention is for conversion of uranium hexafluoride to a uranium dioxide rich composition similarly to that described for FIGS. 1 and 2.
  • FIGS. 5 and 6 present another embodiment of the directional control plate here assigned the number 50 showing only the lower portion of the nozzle and 6 tubes 45.
  • the nozzle is similar to the nozzle presented in FIGS. 3 and 4.
  • Plate 50 is fastened to the inside of tube 38 at points 51.
  • Plate 50 has a multiplicity of openings 52 enabling the shield gas to flow through the openings 52 as well as through the annular openings 53 around each of the six tubes 45. This has the advantage that a double layer of shielding gas is formed, one layer immediately around. each jet issuing. from tube 45 and one layer generally surrounding all the tubes 45. This gives further protection against the build up of solid reaction products at the tip of tubes 38 and 33. While this embodiment of the plate has been presented for the nozzle of FIGS. 3 and4, it can also be utilized. with all the otherembodiments as presented in this invention.
  • FIG. 7' presents another embodiment of this invention in which only atop view of the lower portion of the nozzle is shown andtten tubes 60 are arranged symmetrically on an" imaginary circle inside tube 63 with directional control plate 61 having annular openings 62. for passage of the shielding fluid. aroundtubes 60 through annular openings 62. toward the reaction zone.
  • FIG. 8 presents still another embodiment of this invention in which only a top view of the lower portion of the nozzle is shown and four tubes 60 are arranged symmetrically on an imaginary circle inside tube 63 with directional control plate 61 havingopenings 62 for the passage of the shielding fluid arounditubes 60 toward thereaction zone.
  • tube used in the description of this invention is meant to include any cross sectional configuration for such members including, but not limited to circular, square, rectangular and triangular cross sections. It is also preferred to have. the. tubes for the second reactive fluid. positioned symmetrically so that if the points forming the centers of the tubes were connected they would form a circle, but it is also meant to be within the scope of this invention to have nonsymmetrical arrangements of these tubes.
  • the dimensions of the directional control plate are controlled so that unidirectional flow of the shielding fluid occurs in the annular openings between the plate and the tubes (e.g., 25, 45, etc.) carrying the second fluid reactant.
  • the thickness of the directional control plate and the sizeof the. openings in the plate are correlated so that unidirectional flow of the shielding fluid occurs in theannular openings.
  • a directional control plate thickness of about 0.062 to' about 0.750 inch and'openings in the plate of about 0.375 inch to about 1.340 inches in diameter result in unidirectional flow of the shielding fluid through the annular openings in. the plate.
  • the distance 1 (Le, the distance between the openings of the tubes guiding the second fluid reactant and. the directional control plate.) be in the range of 0.01 to about 2.0 inch. in this manner the plate is located close to the open ends of the tubes guiding the second fluid reactant so that the shielding fluid closely surrounds the jets 9 the s dfluiqt qtant eit er ea e e reaction zone.
  • the distance d which specifies the distance the tubes guiding the second. fluid reactant are recessed within the tube guiding the shielding fluid, can vary depending upon the velocities of the shielding fluid and the second fluid reactant. Generally the smaller tubes guiding the second fluid reactant (i.e., 25', 45, etc.) terminate within the shielding fluid. tube (i.e., 18, 38, etc.) by a distance of at least about one-eighth inch and preferably in the range of about one-eighth of an inch to about one-half an inch. As a general. rule, the larger the diameter'of the shielding fluid tube (i.e., 18; 38, etc.), the greater is distance d. This recessingof the tubes guiding the second fluid reactant more easily enables maintaining. a lifted flamewith lower flow rates than required without the recessing of the tubes guiding the second fluid reactant.
  • a nozzle'for injecting fluid reactants into a.reaction zone comprising, in combination a. a supporting means supporting b. a first inlet for receiving and guiding afirst fluid reactant into the reaction zone,
  • a second inlet means for receiving and guiding a.
  • shielding fluid for temporarily separating the first fluid reactant and a second fluid reactant upon initial injection into the reaction zone
  • a. third inlet means for receiving and guiding the second fluid reactant into the reaction zone.
  • the third inlet means being disposed in the second inlet means and the third: inlet means having a chamber with at least one opening therein which is connected. with at least one. tubular member with the tip of said. tubular member being recessed within the second. inlet means, and
  • a directional control plate being securedv transversely in the second. inlet means, theplate having an opening for each of the at least one tubular member to extend therethrough coaxially forming an annular opening around the at least one tubular member so that the shielding fluid flows unidirectionally through theannular opening and then into the reaction zone.
  • the first fluid reactant is a reducing gas
  • the second fluid reactant is a mixture of uranium hexafluoride and an oxygen-containing carrier gas and the fluid is selected from the group consisting of nitrogen, argon, helium, neon, krypton, xenon, oxygen, air or'mixtures of any of the foregoing.
  • the nozzle of claim 1 in which the first inlet means is a plurality of tubular members located at a position on the supporting means removed from the second inlet means.
  • the nozzle of claim 1 in which the directional control plate has openings in the form of slits adjacent the second inlet means so that a second layer of shielding gas is formed around the at least one tubular member.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Nozzles (AREA)
US00131684A 1971-04-06 1971-04-06 Nozzle for chemical reaction processes Expired - Lifetime US3814327A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US00131684A US3814327A (en) 1971-04-06 1971-04-06 Nozzle for chemical reaction processes
ES401291A ES401291A1 (es) 1971-04-06 1972-03-29 Dispositivo de tobera para procedimientos de reaccion qui- mica.
GB1466872A GB1361533A (en) 1971-04-06 1972-03-29 Nozzle for chemical reaction process
IT22701/72A IT950974B (it) 1971-04-06 1972-03-31 Ugello per processi di reazioni chimiche specialmente per combu stibili nucleari
DE2215958A DE2215958C2 (de) 1971-04-06 1972-04-01 Im Deckel eines Reaktors angeordnete Düse
BE781679A BE781679A (fr) 1971-04-06 1972-04-05 Ajutage d'alimentation pour reactions chimiques
SE7204400A SE394857B (sv) 1971-04-06 1972-04-05 Munstycke for kemiska reaktionsprocesser
CH500772A CH577339A5 (enExample) 1971-04-06 1972-04-05
JP3395472A JPS5615944B1 (enExample) 1971-04-06 1972-04-06
NL7204629A NL7204629A (enExample) 1971-04-06 1972-04-06
FR7212145A FR2136221A5 (enExample) 1971-04-06 1972-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00131684A US3814327A (en) 1971-04-06 1971-04-06 Nozzle for chemical reaction processes

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US3814327A true US3814327A (en) 1974-06-04

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US00131684A Expired - Lifetime US3814327A (en) 1971-04-06 1971-04-06 Nozzle for chemical reaction processes

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US (1) US3814327A (enExample)
JP (1) JPS5615944B1 (enExample)
BE (1) BE781679A (enExample)
CH (1) CH577339A5 (enExample)
DE (1) DE2215958C2 (enExample)
ES (1) ES401291A1 (enExample)
FR (1) FR2136221A5 (enExample)
GB (1) GB1361533A (enExample)
IT (1) IT950974B (enExample)
NL (1) NL7204629A (enExample)
SE (1) SE394857B (enExample)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970581A (en) * 1975-05-12 1976-07-20 General Electric Company Multiple gas streams in the post oxidation step in a process for converting uranium hexafluoride to uranium oxide rich compositions
US4083932A (en) * 1976-05-12 1978-04-11 Ppg Industries, Inc. Method and apparatus for treating gases
US4133643A (en) * 1976-04-24 1979-01-09 Firma Carl Still Recklinghausen Method and apparatus for decomposing ammonia fumes having a high hydrogen sulfide content
US4351267A (en) * 1979-02-14 1982-09-28 Societe Italiana Vetro-Siv-S.P.A. Apparatus for continuously depositing a layer of a solid material on the surface of a substrate heated to a high temperature
US4562961A (en) * 1982-09-13 1986-01-07 Irsid Institut De Recherches De La Siderurugie Francaise Nozzle end-piece for hot guniting
US4756685A (en) * 1985-12-06 1988-07-12 Nordsea Gas Technology & Air Products Limited Strip edge heating burner
US5803725A (en) * 1997-06-13 1998-09-08 Horn; Wallace E. Triple-mix surface-mix burner
US6273344B1 (en) * 1999-09-09 2001-08-14 Liu Yu-Tsai Dispensing nozzle device
US9896633B2 (en) * 2013-07-23 2018-02-20 Empire Technology Development Llc Systems and methods for reducing corrosion in a reactor system using fluid encasement
CN112246211A (zh) * 2020-09-25 2021-01-22 江苏开锐德机械有限公司 一种烷基化反应器及烷基化方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068170B2 (ja) * 1985-10-29 1994-02-02 宇部興産株式会社 高純度酸化マグネシウム微粉末の製造方法
RU2211185C2 (ru) * 2001-06-21 2003-08-27 Открытое акционерное общество "Машиностроительный завод" Способ для конверсии гексафторида урана в оксиды урана и устройство для его осуществления
CN112664935B (zh) * 2020-12-25 2023-08-25 华中科技大学 一种喷雾燃烧合成纳米颗粒的系统

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US1052420A (en) * 1912-03-22 1913-02-04 Stephen W Mccoy Gas-burner.
GB189540A (en) * 1921-09-01 1922-12-01 William Reside Improvements in or relating to liquid fuel burners
US1723667A (en) * 1922-06-19 1929-08-06 William F Traub Gas range
US2086183A (en) * 1934-02-23 1937-07-06 Gellner Ludwig Apparatus for spraying of colors and the like
US2532687A (en) * 1948-10-21 1950-12-05 Applied Res Corp Methods and flame generating apparatus for spectrophotometric quantitative analysis
US2817600A (en) * 1955-06-07 1957-12-24 James G Yahnke Wax siphon spray process
US3086851A (en) * 1957-10-10 1963-04-23 Degussa Burner for production of finely divided oxides
US3418062A (en) * 1966-08-08 1968-12-24 Bloom Eng Co Inc Burner structures
US3463395A (en) * 1966-01-06 1969-08-26 S K V Sa Spray gun nozzle heads
US3565346A (en) * 1968-07-11 1971-02-23 Texas Instruments Inc Method and apparatus for forming an article of high purity metal oxide

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796672A (en) * 1970-10-02 1974-03-12 Gen Electric Process for producing uranium dioxide rich compositions from uranium hexafluoride

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1052420A (en) * 1912-03-22 1913-02-04 Stephen W Mccoy Gas-burner.
GB189540A (en) * 1921-09-01 1922-12-01 William Reside Improvements in or relating to liquid fuel burners
US1723667A (en) * 1922-06-19 1929-08-06 William F Traub Gas range
US2086183A (en) * 1934-02-23 1937-07-06 Gellner Ludwig Apparatus for spraying of colors and the like
US2532687A (en) * 1948-10-21 1950-12-05 Applied Res Corp Methods and flame generating apparatus for spectrophotometric quantitative analysis
US2817600A (en) * 1955-06-07 1957-12-24 James G Yahnke Wax siphon spray process
US3086851A (en) * 1957-10-10 1963-04-23 Degussa Burner for production of finely divided oxides
US3463395A (en) * 1966-01-06 1969-08-26 S K V Sa Spray gun nozzle heads
US3418062A (en) * 1966-08-08 1968-12-24 Bloom Eng Co Inc Burner structures
US3565346A (en) * 1968-07-11 1971-02-23 Texas Instruments Inc Method and apparatus for forming an article of high purity metal oxide

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970581A (en) * 1975-05-12 1976-07-20 General Electric Company Multiple gas streams in the post oxidation step in a process for converting uranium hexafluoride to uranium oxide rich compositions
US4133643A (en) * 1976-04-24 1979-01-09 Firma Carl Still Recklinghausen Method and apparatus for decomposing ammonia fumes having a high hydrogen sulfide content
US4083932A (en) * 1976-05-12 1978-04-11 Ppg Industries, Inc. Method and apparatus for treating gases
US4351267A (en) * 1979-02-14 1982-09-28 Societe Italiana Vetro-Siv-S.P.A. Apparatus for continuously depositing a layer of a solid material on the surface of a substrate heated to a high temperature
US4562961A (en) * 1982-09-13 1986-01-07 Irsid Institut De Recherches De La Siderurugie Francaise Nozzle end-piece for hot guniting
US4756685A (en) * 1985-12-06 1988-07-12 Nordsea Gas Technology & Air Products Limited Strip edge heating burner
US5803725A (en) * 1997-06-13 1998-09-08 Horn; Wallace E. Triple-mix surface-mix burner
US6273344B1 (en) * 1999-09-09 2001-08-14 Liu Yu-Tsai Dispensing nozzle device
US9896633B2 (en) * 2013-07-23 2018-02-20 Empire Technology Development Llc Systems and methods for reducing corrosion in a reactor system using fluid encasement
CN112246211A (zh) * 2020-09-25 2021-01-22 江苏开锐德机械有限公司 一种烷基化反应器及烷基化方法

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Publication number Publication date
CH577339A5 (enExample) 1976-07-15
DE2215958A1 (de) 1972-10-19
ES401291A1 (es) 1975-02-01
IT950974B (it) 1973-06-20
JPS5615944B1 (enExample) 1981-04-13
BE781679A (fr) 1972-07-31
DE2215958C2 (de) 1982-03-25
SE394857B (sv) 1977-07-18
NL7204629A (enExample) 1972-10-10
FR2136221A5 (enExample) 1972-12-22
GB1361533A (en) 1974-07-24

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