GB658835A - Improvements in or relating to the concentration and evaporation of liquids - Google Patents

Improvements in or relating to the concentration and evaporation of liquids

Info

Publication number
GB658835A
GB658835A GB2365348A GB2365348A GB658835A GB 658835 A GB658835 A GB 658835A GB 2365348 A GB2365348 A GB 2365348A GB 2365348 A GB2365348 A GB 2365348A GB 658835 A GB658835 A GB 658835A
Authority
GB
United Kingdom
Prior art keywords
cylinder
tank
film
milk
temperature
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
Application number
GB2365348A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2365348A priority Critical patent/GB658835A/en
Publication of GB658835A publication Critical patent/GB658835A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/222—In rotating vessels; vessels with movable parts
    • B01D1/228—In rotating vessels; vessels with movable parts horizontally placed cylindrical container or drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
    • F26B13/183—Arrangements for heating, cooling, condensate removal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/28—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
    • F26B17/284—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position the materials being dried on the non-perforated surface of heated rollers or drums
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
    • F26B3/305—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements the infrared radiation being generated by combustion or combustion gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Control Of Resistance Heating (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

<PICT:0658835/III/1> <PICT:0658835/III/2> Liquids such as milk or a solution of coffee, are evaporated by forming a film of the liquid on a moving supporting surface, subjecting the film to the heating effect of infra-red rays, and controlling the temperature of the supporting surface by a liquid on the side opposite to that on which the film is spread, so as to achieve rapid evaporation at a temperature below the boiling point, from the liquid-film, without deterioration of the solids therein. Cylinder 1 which is made of metal, glass or ceramic-coated metal, is rotated on hollow shafts 5, 6 by electric-motor 65. Milk is pumped from tank 74 to constant-level trough 69 which has an open side adjacent the periphery of the cylinder so that a film of milk is formed thereon. Two arcuate, insulated-metal reflectors 15, 16 extend around the cylinder, and focus the rays from electrical infra-red generators 30 evenly over the periphery. Sixteen generators are associated with reflector 15, and eight with reflector 16. Tubes 47, 48 having rows of holes 51 are provided for sucking air through the space between the reflectors and the periphery of the cylinder. Water is pumped from a tank (not shown) into the interior of the cylinder through pipe 55, and is returned to the tank through shaft 5 and tube 53. The temperature of the circulating water is controlled by immersion heaters and a cooling coil in the water-tank. When the temperature of the water approaches 75 DEG to 85 DEG C., the immersion heaters are switched off and a coolant is circulated through the cooling coil. The warm air withdrawn through pipes 47 and 48 may be used to preheat the milk by passing it through coil 82 in feed-tank 74. Dry milk powder is removed from the cylinder by scraper 76, and is collected in bin 77. An embodiment having as infra-red generator, a wall heated by combustion gases from a flame burner, is also described. Specification 566,573 is referred to.
GB2365348A 1948-09-08 1948-09-08 Improvements in or relating to the concentration and evaporation of liquids Expired GB658835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2365348A GB658835A (en) 1948-09-08 1948-09-08 Improvements in or relating to the concentration and evaporation of liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2365348A GB658835A (en) 1948-09-08 1948-09-08 Improvements in or relating to the concentration and evaporation of liquids

Publications (1)

Publication Number Publication Date
GB658835A true GB658835A (en) 1951-10-17

Family

ID=10199120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2365348A Expired GB658835A (en) 1948-09-08 1948-09-08 Improvements in or relating to the concentration and evaporation of liquids

Country Status (1)

Country Link
GB (1) GB658835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013011363A1 (en) * 2011-07-20 2013-01-24 P.T.I. Drying device for drying substances suspended or dissolved in a liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013011363A1 (en) * 2011-07-20 2013-01-24 P.T.I. Drying device for drying substances suspended or dissolved in a liquid
BE1020125A3 (en) * 2011-07-20 2013-05-07 P T I DRYING DEVICE FOR DRYING SUBSTANCES SUSPENDED OR SOLVED IN A LIQUID.

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