US3505198A - Electrolytic cell - Google Patents

Electrolytic cell Download PDF

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Publication number
US3505198A
US3505198A US628394A US3505198DA US3505198A US 3505198 A US3505198 A US 3505198A US 628394 A US628394 A US 628394A US 3505198D A US3505198D A US 3505198DA US 3505198 A US3505198 A US 3505198A
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US
United States
Prior art keywords
cell
supporting frame
electrolytic cell
tight
electrolytic
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
US628394A
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English (en)
Inventor
Heinz Harnisch
Ludwig Bender
Friedrich-Karl Frorath
Herbert Diskowski
Helmut Seifert
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.)
Knapsack AG
Original Assignee
Knapsack AG
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 Knapsack AG filed Critical Knapsack AG
Application granted granted Critical
Publication of US3505198A publication Critical patent/US3505198A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • 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
    • 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
    • C25B1/21—Manganese oxides

Definitions

  • the present invention relates to an electrolytic cell for the electrolytic separation of metals or metal compounds from an aqueous solution of a metal salt.
  • the electrolytic cell can more particularly be used for the anodic oxidation of manganese salts, preferably manganous sulfate, in a sulfuric acid solution using lead or lead alloy anodes. Needless to say the electrolytic cell can also be employed for applications other than mentioned above.
  • Electrolytic cells are generally found to be similar in design. They are customarily formed of a container receiving the starting material to undergo electrolysis, which is supplied in the form of a liquid or melt, and the electrodes which are immersed in the solution or melt. The container is either open or closed at its top.
  • the electrolytic cells have associated Lmeans adapted to the particular conditions prevailing, such as diaphragms, means for supplying the reactants and means for removing reaction product, means for regulating the temperature of the starting materials, and similar means.
  • the electrolytic cell of the present invention has now been found substantially to avoid losses in steam and in caloric energy.
  • the electrolytic cell is formed of a cell tank, a supporting frame for the electrode system and a cell cover. More particularly, the substantially box-shaped cell tank open at its top and having associated to its upper rim portion a llange projecting outwardly and surrounding the tank, has mouted in gas-tight and liquid-tight fashion a supporting frame receiving the electrode system, the supporting frame being sealed in gas-tight and liquid-tight fashion by means of a cover mounted thereon and including a duct for receiving the current supply bolts and a second duct receiving a bursting disk. All these elements which are contacted Iby the electrolyte are coated on the inside with a chemically resistant and electrically insulating lining, c g. a rubber or plastic lining.
  • the supporting frame preferably has a cross-section similar to that of a U lying on its side opening outwardly and provided with vertical reinforcing ribs, and the lower flange is preferably designed to widen towards the inside of the supporting frame, which serves to receive and support the electrode system.
  • the elastic packaging and rigid pressure bars may have a rectangular cross-sectional area.
  • the pressure bars are intended to prevent the packings from being exposed to inadmissibly high pressure.
  • the cover rim portion resting onthe packing and pressure bar is reinforced.
  • Rubber or plastic, elastic, cone-shaped 'bellows which surround in gas-tight manner both the current supply bolts and the ducts receiving them ensure that the current supply bolts forming part of the electrode system can be passed in gas-tight manner through the ducts seated in the cell cover.
  • the cell tank is preferably covered on the outside with a heat-retaining layer and provided with reinforcing ribs, a material inlet, an overflow and a discharge pipe.
  • FIGURE 1 is a side elevational view of the electrolytic cell taken along line I-I of FIGURE 2;
  • FIGURE 2 is a cross-sectional view of the apparatus taken along line II-II of FIGURE 3;
  • FIGURE 3 is a top plan View of the apparatus; and FIGURE 4 is a representation on an enlarged scale of the upper left hand corner of FIGURE 2.
  • Cell tank 9 which is disposed to repose on supporting grate 23, has its outside cover with a heat-retaining layer 14, is reinforced by means of ribs 16 and 2.5, and its inside lined with a chemically resistant and electrically insulating lining 19.
  • Inlet pipe 11 through which the electrolyte is supplied, overilow pipe 12, discharge 3 pipe 13 and the upper side of flange 17 forming the upper rim portion of cell tank 19 are lined in corresponding fashion.
  • Flange 17, above which there are placed an elastic packing 8 and a pressure bar 10, is intended to receive supporting frame 7 reinforced by means of vertical ribs 26, the frame 7 together with ange 18, which projects inwardly, forming a support receiving the electrode system.
  • the upper side, underside and inside are coated with a chemically resistant and electrically insulating lining 22 in a manner similar to cell tank 9.
  • the cell cover 1 which is the upper terminal of th electrolytic cell is designated so as to rest with its reinforced rim portion 214 through an interposed elastic packing 6 and a pressure bar 21 on supporting bar 7.
  • the underside of the cell cover is coated with a chemically resistant and electrically insulating lining 20.
  • the lining 20 is extended so as to include ducts 2, mounted on the top of the cover and receiving bolts 3, supplying current to the anode, and bolts 3 supplying current to the cathode, and tubular opening 15 which receives a bursting disk.
  • the cone-shaped bellows 4, which surround the current supply bolts 3 and 3' and duct 2, ensure that the ducts are reliably sealed.
  • the electrolytic cell of the present invention has been found to iWork very reliably. Only small quantites of calorifc energy are lost. Gas evolved by the electrolysis, which substantially consists of hydrogen with only minor proportions of oxygen, is found, at the operating temperature contemplated, to be so strongly diluted with stem that explosive outbreaks are not like 1y to occur.
  • an electrolytic cell sealed in gas-tight and liquidtight fashion and including the Afollowing structural elements: (1) an electrolyte-receiving cell tank, (2) an electrode-supporting frame which has an upper and a lower ange arranged thereto and is secured in gas-tight and liquid-tight fashion to the top of the cell tank, and (3) a cell cover including ducts receiving current supply bolts and a further duct receiving a bursting disk, all of the said structural elements having a chemically resistant and electrically insulating coating applied to their inside, the cell cover being substantially box-shaped, ⁇ open at its top and having associated to its upper rim portion a I.flange directed outwardly so as to surround the tank, the improvement according to which the supporting frame is designed to have a cross-section similar to that of a U lying on its side, opening outwardly and provided with reinforming ribs, the lower flange extending towards the inside of the supporting frame, and wherein an elastic packing disposed towards the inside of the supporting frame and a rigid pressure bar disposed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Hinges (AREA)
US628394A 1966-04-05 1967-04-04 Electrolytic cell Expired - Lifetime US3505198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0058932 1966-04-05

Publications (1)

Publication Number Publication Date
US3505198A true US3505198A (en) 1970-04-07

Family

ID=7228901

Family Applications (1)

Application Number Title Priority Date Filing Date
US628394A Expired - Lifetime US3505198A (en) 1966-04-05 1967-04-04 Electrolytic cell

Country Status (7)

Country Link
US (1) US3505198A (xx)
BE (1) BE696645A (xx)
DE (1) DE1571744B2 (xx)
FR (1) FR1517608A (xx)
GB (1) GB1124317A (xx)
NL (1) NL6704855A (xx)
NO (1) NO117742B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402812A (en) * 1981-03-25 1983-09-06 Hoechst Aktiengesellschaft Electrolytic cell

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE810684A (fr) * 1974-02-06 1974-05-29 Cellules d'electrolyse a electrodes verticales.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632285A (en) * 1923-12-06 1927-06-14 John J Georgi Gas generator
US3104308A (en) * 1960-02-15 1963-09-17 Ernest E Wilson Electrically operated continuous steam generator
US3116228A (en) * 1960-05-09 1963-12-31 Pittsburgh Plate Glass Co Diaphragm type electrolyticcell
US3203882A (en) * 1962-03-30 1965-08-31 Pittsburgh Plate Glass Co Method of operating an alkali chlorate cell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632285A (en) * 1923-12-06 1927-06-14 John J Georgi Gas generator
US3104308A (en) * 1960-02-15 1963-09-17 Ernest E Wilson Electrically operated continuous steam generator
US3116228A (en) * 1960-05-09 1963-12-31 Pittsburgh Plate Glass Co Diaphragm type electrolyticcell
US3203882A (en) * 1962-03-30 1965-08-31 Pittsburgh Plate Glass Co Method of operating an alkali chlorate cell

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402812A (en) * 1981-03-25 1983-09-06 Hoechst Aktiengesellschaft Electrolytic cell

Also Published As

Publication number Publication date
FR1517608A (fr) 1968-03-15
BE696645A (xx) 1967-10-05
NL6704855A (xx) 1967-10-06
GB1124317A (en) 1968-08-21
DE1571744A1 (de) 1971-03-25
NO117742B (xx) 1969-09-22
DE1571744B2 (de) 1972-04-20

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