US667498A - Electrolyzer. - Google Patents

Electrolyzer. Download PDF

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Publication number
US667498A
US667498A US2974600A US1900029746A US667498A US 667498 A US667498 A US 667498A US 2974600 A US2974600 A US 2974600A US 1900029746 A US1900029746 A US 1900029746A US 667498 A US667498 A US 667498A
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United States
Prior art keywords
rod
carbons
nut
cell
electrolyzer
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Expired - Lifetime
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US2974600A
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William Thomas Chapman
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AMERICAN ALKALI Co
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AMERICAN ALKALI Co
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Priority to US2974600A priority Critical patent/US667498A/en
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/36—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in mercury cathode cells

Definitions

  • My said invention relates toimprovements in electrolyzers used chiefly in the decomposition of salts.
  • electrolyzers are provided with carbon anodes and mercury or iron cathodes.
  • My invention consists in the provision of means whereby the carbon anodes may be adjusted to compensate for wear, as I shall describe, referring to the accompanying drawing, which is a vertical section of the upper part of a cell with carbon anodes adjustably supported according to my invention.
  • the carbon rods or blocks a are molded or secured in a suitable manner in a carrier b, of anti monial lead.
  • the carrier is also provided with a copper rod 0 of sufficient sectional area to convey the electric current.
  • the upper portion of the rod 0 is screw-threaded, and the lower portion is covered with a material, such as sheet-lead d, which will not be acted on by chlorin gas.
  • the sheathed end of the rod 0 and the carbon blocks a may all be placed in position in a suitable mold, into which is run antimonial lead Z), so that the 5 whole are readily combined or secured together, the antinionial lead providing a good electrical contact between the copper rod and the carbons.
  • the copper rod When placed in position with the electrolyzer, the copper rod projects upto ward through a hole in the slate or other roof 6 of the cell and a long nut or collarf is screwed upon the copper rod until it beds upon the roof 6 of the cell.
  • the nut f which is provided with a lock-nut 7c, thus forms a 5 stop to prevent the downward traverse of the carbons. Only the upper part of the hole in the nut f is screw-threaded, the lower part of it being bored out larger.
  • the carbons may be readily adjusted from time to time until practically consumed, so that the life of the carbons is greatly prolonged and the working of the apparatus is uninterrupted.
  • the proper distance between the anode and cathode is easily maintained, so preventing an increase of resistance, which is caused when the anode wears away and when no means are provided for altering or adjusting the position of the carbons.
  • An electrolytic cell having an anode comprising a block with a series of carbon rods secured thereto, a metallic rod secured to the block and extending vertically through the top of the cell, said rod having an outer screwthreaded portion and an inner sheathed por-- tion to shield it from gas or fumes, a hollow collar internally threaded for part of its length and engaging the outer screw-threaded portion of the supporting-rod, and alockingnut above the hollow nut; substantially as described.

Description

No. 667,498. Pa iented Fab. 5, I90l.
' W. T. CHAPMAN.
ELEGTROLYZER.
(Appl e nfll as pt 12 1900) (No Model.)
L I I I K UNTTnn STATES PATENT OFFICE.
WILLIAM THOMAS CHAPMAN, OF MANCHESTER, ENGLAND, ASSIGNOR TO THE AMERICAN ALKALI COMPANY, OF PHILADELPHIA, PENNSYLVANIA.
ELECTROLYZER.
SPECIFICATION forming part of Letters Patent No. 667,498, dated February 5, 1901.
Application filed September 12, 1900. Serial No. 29,746. (No model.)
T at whom it may concern.-
Be it known that I, WILLIAM THOMAS CHAP- MAN, 'a citizen of England, residing at 40 Queen street, Irlams OthI-Ieight, Manches-- ter, in the countyof Lancaster, England, have invented certain new and useful Improvemen ts in Electrolyzers, (for which application has been made for a patent in Great Britain, dated February 14, 1900, No. 2,929,) of which the following is a specification.
My said invention relates toimprovements in electrolyzers used chiefly in the decomposition of salts. Such electrolyzers are provided with carbon anodes and mercury or iron cathodes.
My invention consists in the provision of means whereby the carbon anodes may be adjusted to compensate for wear, as I shall describe, referring to the accompanying drawing, which is a vertical section of the upper part of a cell with carbon anodes adjustably supported according to my invention.
The carbon rods or blocks a are molded or secured in a suitable manner in a carrier b, of anti monial lead. The carrier is also provided with a copper rod 0 of sufficient sectional area to convey the electric current. The upper portion of the rod 0 is screw-threaded, and the lower portion is covered with a material, such as sheet-lead d, which will not be acted on by chlorin gas. The sheathed end of the rod 0 and the carbon blocks a may all be placed in position in a suitable mold, into which is run antimonial lead Z), so that the 5 whole are readily combined or secured together, the antinionial lead providing a good electrical contact between the copper rod and the carbons. When placed in position with the electrolyzer, the copper rod projects upto ward through a hole in the slate or other roof 6 of the cell and a long nut or collarf is screwed upon the copper rod until it beds upon the roof 6 of the cell. The nut f, which is provided with a lock-nut 7c, thus forms a 5 stop to prevent the downward traverse of the carbons. Only the upper part of the hole in the nut f is screw-threaded, the lower part of it being bored out larger.
When adjusted in position, a gas-tight joint between the rod 0 and the roof e is effected with cement g or other convenient means, and connection with the positive pole of the source of electricity is made in any suitable way with the upper projecting part of the copper rod'--as, for instance, by a wire clamped between nuts h.
When the carbons have worn away and need lowering, it suffices to break the cement seal 9 and rotate the nut f, which permits the carbon-holder b to drop, and so lowers the carbons a. When this has been efiected, the joint between the copper rod and the roof of the cell is again sealed. Instead of one rod 0 there may obviously be several of these.
By this means the carbons may be readily adjusted from time to time until practically consumed, so that the life of the carbons is greatly prolonged and the working of the apparatus is uninterrupted. The proper distance between the anode and cathode is easily maintained, so preventing an increase of resistance, which is caused when the anode wears away and when no means are provided for altering or adjusting the position of the carbons.
Having thus described the nature of this invention and the best means I know of carrying the same into practical effect, I claim An electrolytic cell having an anode comprisinga block with a series of carbon rods secured thereto, a metallic rod secured to the block and extending vertically through the top of the cell, said rod having an outer screwthreaded portion and an inner sheathed por-- tion to shield it from gas or fumes, a hollow collar internally threaded for part of its length and engaging the outer screw-threaded portion of the supporting-rod, and alockingnut above the hollow nut; substantially as described.
In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.
WILLIAM THOMAS CHAPMAN.
WVitnesses:
ERNEST MINAY, WALTER ELLIOTT Bass.
US2974600A 1900-09-12 1900-09-12 Electrolyzer. Expired - Lifetime US667498A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454935A (en) * 1945-06-27 1948-11-30 Meaker Company Continuous wire and strip electroprocessing machine
US2599363A (en) * 1948-06-04 1952-06-03 Ici Ltd Electrolytic cell
US2627501A (en) * 1948-06-15 1953-02-03 Olin Mathieson Apparatus for electrolysis of alkali metal compounds
US2714577A (en) * 1945-11-02 1955-08-02 Fermi Enrico Neutronic reactor
US3489668A (en) * 1966-04-27 1970-01-13 Great Lakes Carbon Corp Connections between electrical conductors and carbon bodies
US3497446A (en) * 1964-05-20 1970-02-24 American Potash & Chem Corp Electrolytic cell with anodes secured to its cover

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454935A (en) * 1945-06-27 1948-11-30 Meaker Company Continuous wire and strip electroprocessing machine
US2714577A (en) * 1945-11-02 1955-08-02 Fermi Enrico Neutronic reactor
US2599363A (en) * 1948-06-04 1952-06-03 Ici Ltd Electrolytic cell
US2627501A (en) * 1948-06-15 1953-02-03 Olin Mathieson Apparatus for electrolysis of alkali metal compounds
US3497446A (en) * 1964-05-20 1970-02-24 American Potash & Chem Corp Electrolytic cell with anodes secured to its cover
US3489668A (en) * 1966-04-27 1970-01-13 Great Lakes Carbon Corp Connections between electrical conductors and carbon bodies

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