US948679A - Apparatus for extracting tin from tin-plate waste. - Google Patents

Apparatus for extracting tin from tin-plate waste. Download PDF

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Publication number
US948679A
US948679A US41893308A US1908418933A US948679A US 948679 A US948679 A US 948679A US 41893308 A US41893308 A US 41893308A US 1908418933 A US1908418933 A US 1908418933A US 948679 A US948679 A US 948679A
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tin
waste
extracting
drum
plate waste
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US41893308A
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Heinrich Brandenburg
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Priority to US41893308A priority Critical patent/US948679A/en
Priority to US448062A priority patent/US974463A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/26—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by other means
    • A47L15/30—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by other means by rotating only
    • A47L15/33—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by other means by rotating only with moving baskets submerged in the cleaning fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67017—Apparatus for fluid treatment
    • H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
    • H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
    • H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles

Definitions

  • This invention relates to apparatus for extracting tin from tin plate waste, and has particular reference to that class of apparatus in which the waste or the like to be deprived of tin, is alternately brought into contact with hot caustic alkali lye and air.
  • a drum apparatus being constituted by two drums provided with perforated walls and preferably arranged concentrically about a spindle, only the annular space inclosed between the said drums, being filled with tin containing products, so that only a comparatively thin layer of the said products has to be moistened and aired, while in the usual ordinary drums completely filled with the waste products, neither the alkali lye nor the air can be brought into a thorough contact with the said waste.
  • Figure 1 is a vertical section through the apparatus, taken at right angles to the axis of the drum.
  • Fig. 2 is a vertical transverse section through one of the perforated tanks carried by said drum.
  • the installation comprises a tank 1 filled with a caustic alkali lye, for instance with a solution of caustic soda, in which is arranged a cylindrical casing 3 preferably made of T- or angle irons 01' the like, about a preferably hollow and perforated spindle 2. Between each two adjoining series of the said irons are arranged perforated tanks 4 (Fig. 2) provided with perforated covers or lids 5, in such manner that the bottoms of the said tanks are situated on the surface of an inner cylinder 6, while the covers constitute the surface of an outer cylinder 7. These tanks or boxes are filled with the waste or other tin containing product from which tin is to be extracted, and the whole drum is rotated and air blown through the hollow spindle.
  • the caustic alkali bath is heated.
  • the heating could however be also affected in any other desired manner.
  • the waste of tin plate etc. are alternately carried through the hot bath and the air chamber, and in that way are brought into energetic contact with both, while at the same time an energetic airing is insured by the air being blown in through the hollow spindle. The tin becomes then quickly and thoroughly dissolved.
  • the said baskets are removed from the frame, emptied and filled with fresh waste, while the caustic alkali bath is maintained in an efficient state by continually or at certain intervals adding to the same fresh alkali lye and discharging the lye already containing stannates.
  • Apparatus for extracting tin from tin plate waste and other tin containing products comprising a vessel adapted to contain alkaline lye, two drums with perforated walls, arranged concentrically about a spindle and rotatable in said vessel, the annular space inclosed between the two drums being intended to receive the waste or the like from which tin is to be extracted.
  • Apparatus for extracting tin from tin plate waste and other tin containing products comprising removable boxes provided with perforated walls and covers arranged in a drum frame, in such manner that the bottoms of the said boxes, form the cylindrical surface of the inner drum, and the covers that of the outer drum.
  • Apparatus for extracting tin from tin plate waste and other tin containing prodncts comprising a tank to be filled with a caustic alkaline lye, two drums with perfo- 15 rated walls arranged in said tank concentrically about a perforated spindle, and a rose, the latter being provided to supply water to settle any scums.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

H. BRANDENBURG. v APPARATUS FOR EXTRAOTIN G TIN PROM TIN PLATE WASTE.
APPLIOATION FILED MAR. 3. 1908.
Patented Feb 8, 1910.
liven/ZZZ HEINRICH BRANDENBURG, 0F KEMPEN-ON-THE-RHINE, GERMANY.
APPARATUS FOR EXTRAC'IING TIN FROM TIN-PLATE WASTE.
Specification of Letters Patent.
Patented Feb. 8, 1910.
Application filed March 3, 1908. Serial No. 418,933.
To all whom it may concern:
Be it known that I, HEINRICH BRANDEN- BURG, chemist, subject of the King of Prussia, residing at 29 Moorenring, Kempenon-the-Rhine, Germany, have invented new and useful Improvements in Apparatus for Extracting Tin from Tin-Plate Waste, of which the following is a specification.
This invention relates to apparatus for extracting tin from tin plate waste, and has particular reference to that class of apparatus in which the waste or the like to be deprived of tin, is alternately brought into contact with hot caustic alkali lye and air.
According to this invention, an energetic contact of the alkaline lye and air with the waste from which tin is to be extracted, is insured by a drum apparatus being constituted by two drums provided with perforated walls and preferably arranged concentrically about a spindle, only the annular space inclosed between the said drums, being filled with tin containing products, so that only a comparatively thin layer of the said products has to be moistened and aired, while in the usual ordinary drums completely filled with the waste products, neither the alkali lye nor the air can be brought into a thorough contact with the said waste. An eliicient moistening with the lye and an ellicient airing cannot be attained owing to the layer of the waste from which tin is to be extracted and which is moved in the drum, being much too thick to enable the air and the lye to come into thorough contact with each particle during the rotation of the drum.
An installation specially adopted for carrying out the process according to this invention is illustrated by way of example in the accompanying drawings in vertical section, a drum being used in this construction, which as will be seen from the following description, can be very easily filled and emptied.
In the said drawings, Figure 1 is a vertical section through the apparatus, taken at right angles to the axis of the drum.
Fig. 2 is a vertical transverse section through one of the perforated tanks carried by said drum.
The installation comprises a tank 1 filled with a caustic alkali lye, for instance with a solution of caustic soda, in which is arranged a cylindrical casing 3 preferably made of T- or angle irons 01' the like, about a preferably hollow and perforated spindle 2. Between each two adjoining series of the said irons are arranged perforated tanks 4 (Fig. 2) provided with perforated covers or lids 5, in such manner that the bottoms of the said tanks are situated on the surface of an inner cylinder 6, while the covers constitute the surface of an outer cylinder 7. These tanks or boxes are filled with the waste or other tin containing product from which tin is to be extracted, and the whole drum is rotated and air blown through the hollow spindle. By means of the pipe 8 through which any desired heating medium, for instance hot air, hot gases, hot water or the like, are passed, the caustic alkali bath is heated. The heating could however be also affected in any other desired manner. Owing to the movement of the drum, the waste of tin plate etc. are alternately carried through the hot bath and the air chamber, and in that way are brought into energetic contact with both, while at the same time an energetic airing is insured by the air being blown in through the hollow spindle. The tin becomes then quickly and thoroughly dissolved. As the tin plate waste is frequently varnished or is for instance covered with fat, which substances get saponified in the hot alkaline bath, there will frequently be formed on the surface of the bath, owing to the movement of the drum, a thick scum, and the dam 9 is intended to prevent the overflow of the bath. Moreover, water is constantly supplied through the rose 10 for the purpose, on the one hand, to settle down the scum, and on the other hand for the purpose of replacing water evaporated. After the charge of the single baskets has been completely deprived of its tin, the said baskets are removed from the frame, emptied and filled with fresh waste, while the caustic alkali bath is maintained in an efficient state by continually or at certain intervals adding to the same fresh alkali lye and discharging the lye already containing stannates.
What I claim is 1. Apparatus for extracting tin from tin plate waste and other tin containing products, comprising a vessel adapted to contain alkaline lye, two drums with perforated walls, arranged concentrically about a spindle and rotatable in said vessel, the annular space inclosed between the two drums being intended to receive the waste or the like from which tin is to be extracted.
2. Apparatus for extracting tin from tin plate waste and other tin containing products, comprising removable boxes provided with perforated walls and covers arranged in a drum frame, in such manner that the bottoms of the said boxes, form the cylindrical surface of the inner drum, and the covers that of the outer drum.
3. Apparatus for extracting tin from tin plate waste and other tin containing prodncts, comprising a tank to be filled with a caustic alkaline lye, two drums with perfo- 15 rated walls arranged in said tank concentrically about a perforated spindle, and a rose, the latter being provided to supply water to settle any scums.
In testimony whereof I have signed my 20 name to this specification in the presence of two subscribing Witnesses.
H. BRANDENBURG.
Witnesses:
AUG. WEYLEMY, HEINRICH ZIMMERMANN.
US41893308A 1908-03-03 1908-03-03 Apparatus for extracting tin from tin-plate waste. Expired - Lifetime US948679A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US41893308A US948679A (en) 1908-03-03 1908-03-03 Apparatus for extracting tin from tin-plate waste.
US448062A US974463A (en) 1908-03-03 1908-08-11 Process for removing tin from tin-plate waste.

Applications Claiming Priority (1)

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US41893308A US948679A (en) 1908-03-03 1908-03-03 Apparatus for extracting tin from tin-plate waste.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577273A (en) * 1945-09-14 1951-12-04 Louis B Sammis Apparatus for processing olives
US3481347A (en) * 1967-02-16 1969-12-02 Hockley Chemical Co Ltd Treatment apparatus
US4142541A (en) * 1975-09-30 1979-03-06 Eduard Bossert Device for cleaning surfaces of foods

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577273A (en) * 1945-09-14 1951-12-04 Louis B Sammis Apparatus for processing olives
US3481347A (en) * 1967-02-16 1969-12-02 Hockley Chemical Co Ltd Treatment apparatus
US4142541A (en) * 1975-09-30 1979-03-06 Eduard Bossert Device for cleaning surfaces of foods

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