US834257A - Apparatus for making nitric acid. - Google Patents

Apparatus for making nitric acid. Download PDF

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Publication number
US834257A
US834257A US30581906A US1906305819A US834257A US 834257 A US834257 A US 834257A US 30581906 A US30581906 A US 30581906A US 1906305819 A US1906305819 A US 1906305819A US 834257 A US834257 A US 834257A
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Prior art keywords
nitric acid
water
furnace
nitrogen
making nitric
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US30581906A
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Oscar Heinrich Ulrich Bruenler
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    • 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
    • B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors

Definitions

  • a is a closed partly ed with water.
  • b is a water-conductin pipe.
  • d is the furnace with w neet. Near the inlet of said pipes e, which conduct compressed oxy en, p i1pesf are arran ed conductin comiusti es-oil, gas, coa -dust, or the li e.
  • the furnace d the mouth h of-which dips into the water, is so constructed that it possesses in proportion to its contents as small a wall as possible.
  • the inlets of the pipes e are placed opposite to one another in such a manner that by their opposite radial arrangement the burning gaas mixtures blown off with reat velocity y them meet together. There y strong gyration is produced, which Without the necessity of causing the burning ases to move rapidly to the mouth of the nace.
  • a temperature of nearly 3,000 centigrade is obtained, which increases on ap- Through pipe g n1- trogen is continually blown in and in such l Specification of Letters Patent.
  • time of combustion can be so accelerated orA -retarded that the gases leave the mouth ofl the furnace either with combustion perfectly or artially complete or still fully iiaming.
  • the object of this is to provide that the iame by ushing away the water. makes a cavity for itself in which it will have4 space for development.
  • the'fiame oiers b its 'shape as small a surface as ossible to the cooling effect of the water.
  • valve c.4 he products of combustion and the steam escape through valve c.4
  • the inside of the furnace cannot be destroyed by the high tem erature, since it is cooled on the outside.
  • j he-portion of the furnace pro'ectin above the water-level is always su ient y cooled by Vthe Water
  • the ap aratus enables the combustion to be effected under any desired ressure.
  • the valve 'i serves as outlet for th water.
  • witness w ereof I have hereunto set my hand in the presence of two witnesses.

Description

PATBNTBD'OGT. 30,1906.
o. H. U. BRUNLEPL..
APPARATUS POR MAKING NITRIC` ACID. APPLIOATION FILED M113. 190s.
'i `fos-,clin HEINRICH ULRic-H BRNLEE, 'vor IJEIrsic-ofon'Lis. GERMANY.
APPAFiATus Fon MAKING NITRl'o ACID.
T @ZZ whom it may 'concern GermanEmperor, and a residentof' 16 yQPolitzstrasse, Leipsic-'Gohlia Saxony, Germany, have inventedy a new and useful Improved Apparatus for the-Oxidation ofthe l\Iitro,Q/e nl o the Air for the Purpose Yof Obtaining N1- tric Acid, of which the following is a specification.
For the purpose ofelfecting the oxidation of the nitrogen of the atmosphere and the conversion of the oxidation product into nitric acid it is necessary to expose the nitrogen and oxygen which are to be combined lto a temperature of 2 ,500o centigrade. Then' the Y nitric oxid obtained isto be conducted into proaching the center.
effects a quick and very Water in order to convert the same into nitric acid. vSince there were-no furnaces available by which with a process of combustion such a high temperature could be obtained, expensive electrlc energy has hitherto been used. By the invention in question this drawback is remedied. A
The object of my invention is illustrated in the accompanying drawing, in which the aparatus is'shown in sectional elevation.
With reference to the drawing, a is a closed partly ed with water.
b is a water-conductin pipe.
d is the furnace with w neet. Near the inlet of said pipes e, which conduct compressed oxy en, p i1pesf are arran ed conductin comiusti es-oil, gas, coa -dust, or the li e.
The furnace d, the mouth h of-which dips into the water, is so constructed that it possesses in proportion to its contents as small a wall as possible. The inlets of the pipes e are placed opposite to one another in such a manner that by their opposite radial arrangement the burning gaas mixtures blown off with reat velocity y them meet together. There y strong gyration is produced, which Without the necessity of causing the burning ases to move rapidly to the mouth of the nace. By this arrangement within the furnace-already at a moderate distance from its wall a temperature of nearly 3,000 centigrade is obtained, which increases on ap- Through pipe g n1- trogen is continually blown in and in such l Specification of Letters Patent.
Appiimion filed March is, 1906. 4serai No. 305,819.
l quantity Be 1t known that I, O scAa HEINRICH ,UL- Riou BRNLER, engineer, a subject' of the ressure-resisting vessel which isl A splashing over its surface. ch the pipes e conperfect combustionA V that the near the lowest admissible at which the oxidation of the nitrogen'can roceed.
temperature only falls toy Instead of separately con ucting quantities of nitrogen, as g can be omitted andthe nitrogen mixed with the oxygen pipe el By the ve ocity with' which the burnmgmixtureis driven into the furnace: the
time of combustion can be so accelerated orA -retarded that the gases leave the mouth ofl the furnace either with combustion perfectly or artially complete or still fully iiaming.
described abo've, the pipe -6o rior to entering through' f it is desired to have the flame burningliln Y l the water, the narrowed mouth of the nace effects this very advantageously, because the iiame is thereby forced to penetrate deeply into the water in a pointed form. The object of this is to provide that the iame by ushing away the water. makes a cavity for itself in which it will have4 space for development. Further, the'fiame oiers b its 'shape as small a surface as ossible to the cooling effect of the water. he products of combustion and the steam escape through valve c.4 The inside of the furnace cannot be destroyed by the high tem erature, since it is cooled on the outside.- j he-portion of the furnace pro'ectin above the water-level is always su ient y cooled by Vthe Water The ap aratus enables the combustion to be effected under any desired ressure.- The valve 'i serves as outlet for th water.
Having now described my invention, what I claim is In an apparatus for the oxidation of the nitrogen o the air `for the purpose of obtaining nitric acid, thecombination a, pressureresisting vessel, a lobular furnace in connection therewith wit mouthv rejecting down- Ward,radiallyarranged con uctin -pi es oposite each other in the wall of t e urnace for leading ox gen, combustibles and nitrogen, and a va ve for the escape of gases, as and for the pur ose specified.
In witness w ereof I have hereunto set my hand in the presence of two witnesses.
OSCAR HEINRICH ULRICH BRNLER.
Witnesses C. DIEDERICH, FR. HOYERMANN.
e mixture of nitric acid and' IOO
US30581906A 1906-03-13 1906-03-13 Apparatus for making nitric acid. Expired - Lifetime US834257A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436282A (en) * 1943-03-26 1948-02-17 Continental Oil Co Surface combustion cracking furnace
US2695216A (en) * 1950-04-29 1954-11-23 Fmc Corp Method of operating a nitrogen fixation furnace
US2779662A (en) * 1948-02-20 1957-01-29 Thann Fab Prod Chem Process and apparatus for obtaining titanium dioxide with a high rutile content
US2989380A (en) * 1953-11-24 1961-06-20 Exxon Research Engineering Co Apparatus for carrying out chemical reactions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436282A (en) * 1943-03-26 1948-02-17 Continental Oil Co Surface combustion cracking furnace
US2779662A (en) * 1948-02-20 1957-01-29 Thann Fab Prod Chem Process and apparatus for obtaining titanium dioxide with a high rutile content
US2695216A (en) * 1950-04-29 1954-11-23 Fmc Corp Method of operating a nitrogen fixation furnace
US2989380A (en) * 1953-11-24 1961-06-20 Exxon Research Engineering Co Apparatus for carrying out chemical reactions

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