US1620289A - Desiccator - Google Patents

Desiccator Download PDF

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Publication number
US1620289A
US1620289A US43197A US4319725A US1620289A US 1620289 A US1620289 A US 1620289A US 43197 A US43197 A US 43197A US 4319725 A US4319725 A US 4319725A US 1620289 A US1620289 A US 1620289A
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United States
Prior art keywords
air
bin
control chamber
furnace
communication
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
US43197A
Inventor
Grahame B Ridley
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EDWARD B WARD
Original Assignee
EDWARD B WARD
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Filing date
Publication date
Priority claimed from US745103A external-priority patent/US1619765A/en
Application filed by EDWARD B WARD filed Critical EDWARD B WARD
Priority to US43197A priority Critical patent/US1620289A/en
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Publication of US1620289A publication Critical patent/US1620289A/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/022—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/063—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers for drying granular material in bulk, e.g. grain bins or silos with false floor

Definitions

  • GRAHAME B RIDLEYJ, OF' SAN FRANGISCQ. CALIFORNIA", ASSXGNOR T0. EDWARD.' B;
  • This invention relatesto a desiccator and a method. of operatingthesame, andparticularly pertains to means fory dehydrating material in bulk as disclosedin my application entitled Method of dehydration and apparatus therefor, Iiled October 22,1924, SerialvNo. 745,103,zandof which the present application is a division.
  • the present invention contemplates the use of a. binv or a plurality. of bins within which bulk material may he placed, and through. which said material has a gravity fiow,.thc binstructurebeing in communication with an air heatingY structure, whereby acurrent ot air may ⁇ be passed through the bulk material. in. either a: direction with or countercurrent to the path of travel of the materialbeing dried.
  • Fig.4 1 is a.v view in side elevation showing the complete. desiccatingapparatus.
  • Fig. 2v is a viewin-plan showing the device disclosed in. Fig. 1.
  • Fig. 3 is a view in'. side elevationshowing the bin. with parts broken away for the sake of clearness.
  • Fig. 4 is a view infvertical section through the control chamber of( the heater as seen on the line 4-4 ⁇ of Fig. 1.
  • Fig. 5 is aview in vertical section. through the heater asseen on the line 5 5 ot Fig. 2.
  • 10 ⁇ indicates a. furnace structure and 11 indicates a dryingbin in communication therewith and through which bin heated air may be circulated in alternate directions,the communication beingestablished between the furnace structure and the binby an upper air pipe 12 and ailower air pipe 13.
  • the furnace as more clearly shown in Fig. 5 ot" the drawings, comprises av iireboX 15. supplied with a suitableheatingmedium such as the oil burner 16 by which a-tlame is projected into the irebox.
  • the irebox is in communication with a. flue 17 leading Serial No. 43,197.
  • An air jacket 19 encloses the fireboX 15.
  • An-inlet' port 20 is 'orme'd in one side wall of the air jacket and an outlet port. 21 is formed in another side wall of4 this jacket.
  • the outlet port' is in communication with a rotary blower structure 22 by which air will be drawn 'from the air jacket' and de-y liveredy to a hot air duct 23 to a control chamber 24.
  • a rotary blower structure 22 by which air will be drawn 'from the air jacket' and de-y liveredy to a hot air duct 23 to a control chamber 24.
  • the control chamber 24 andthe furnace structure are disposedalongside of each-other, and it will be seen that all'- air being. delivered to or from the furnace must. ot necessity pass throughthe control chamber 24"before reachingthe air pipes 12er 13.
  • an air duct 25 Disposed on the opposite side of the control chamber 24. from the inletl duct 23 is an air duct 25 which establishes communication betweenan opening 26 in the-side of the control chamber and port120 in the side wall of the air chamber oi the furnace.
  • the opening. 26'in the side wall l oifl the control chamber' is substantially diametrically opposite to the opening 27 in the opposite sidewall ofV the control'chamber and which opening'is ink communication with the hot air duct' 251
  • the pipe 12 is shown in. Fig. 4 as being in communication with the top of the con@ trol chamber 24,.
  • the control chamber is equipped. with. a damper 28 pivotall'y mounted. ⁇ within the chamber substantially midway between the openings 26 and 27', the dimensions oil said damper ⁇ being such as to cause the damper to extend diagonally ot the chamber when striking the opposite side walls thereof' at points above and below the openings 26. and 27', as the case may be, so that the control chamber 24 will be divided into two compartments between which an inclined partition.
  • the wall is formed by thedamper, and which damper is thus disposed in-the paths of-travelofthe incoming and ⁇ outgoingY air passing through openings 26'and 27'to divert theairi along its desired course.
  • the ,control chamber with its damper alterwhich bulk materials may be placed, induction and eduction ports in the top and bottom of said bin, a foraminous floor within the bin to support bulk material above the bottom of the bin, an air heater, means for creating a circulation of said heated air through the bin from an induction port to an eduction port, control means for permitting a mixing and replenishing of the air drawn from the bin by fresh air, and means interposed vbetween the bin and the air heater for optionally reversing the direction of flow of the air circulating through the bin.
  • a desiccator comprising a bin within which bulk material may be placed, a hot air furnace by which air may be heated for circulation through the bin, a control chambcr interposed between the air furnace and the bin and in communication with the furnace, pipes connected with the control chamber, one of said pipes communicating with the upper end of the bin and the pipe communicating with the lower end thereof, and
  • a desiccator comprising a bin within which bulk material may be placed, a hot air furnace by which air may be heated for circulation through the bin, a control chamber interposed between the air furnace and the bin and in communication with the furnace, pipes connected with the control chamber, one of said pipes communicating with the upper end of the bin and the pipe communicating with the lower end thereof.
  • means within the control chamber whereby a circulation of air may be set up through the bin, the control chamber and the furnace, and means whereby the direction of ⁇ How of the circula-ting air may be changed in the control chamber to cause a corresponding change of direction of flow through the bin.

Description

Ma'rch s, 1927. 1,620,289
G. B. RIDLEY DESCCATOR 'original Filed oct. 22. 1924 2 sheets-sheet 1 33 if' .1. .I y l 34 1,620,28 March 8 1927' G. B. RIDLEY 9 DESI CCATOR Original Filed Oct. 22, 1924 2 Sheets-Sheet 2 n j ,mf r f y' ATToRN s,`
Patented Mar. 8, 1927.
UNITED ES;
PATENT aerien.
GRAHAME B. RIDLEYJ, OF' SAN FRANGISCQ. CALIFORNIA", ASSXGNOR T0. EDWARD.' B;
WARD, 0F SAN FRANCISCO, CALIFORNIA. c
DESICCATOR.
Original application filed October 582,v 1924, .Serial No. 745,103. Divided and this application led. 311117.13,
This invention relatesto a desiccator and a method. of operatingthesame, andparticularly pertains to means fory dehydrating material in bulk as disclosedin my application entitled Method of dehydration and apparatus therefor, Iiled October 22,1924, SerialvNo. 745,103,zandof which the present application is a division.
It is the principal. object of the present invention to provide a desiccator of the bin type within which material may be placed in bulk and by which the material` may be rapidly and thoroughly dehydrated, the invention being particularly applicable to fruits, nuts and vegetables. y
The present invention contemplates the use of a. binv or a plurality. of bins within which bulk material may he placed, and through. which said material has a gravity fiow,.thc binstructurebeing in communication with an air heatingY structure, whereby acurrent ot air may` be passed through the bulk material. in. either a: direction with or countercurrent to the path of travel of the materialbeing dried.
The. invention is illiistratedby way ot ex ample in# the accompanyingr drawings in which: Y
Fig.4 1 is a.v view in side elevation showing the complete. desiccatingapparatus.
Fig. 2v is a viewin-plan showing the device disclosed in. Fig. 1.
Fig. 3 is a view in'. side elevationshowing the bin. with parts broken away for the sake of clearness.
Fig. 4 is a view infvertical section through the control chamber of( the heater as seen on the line 4-4`of Fig. 1.
Fig. 5 is aview in vertical section. through the heater asseen on the line 5 5 ot Fig. 2.
Referring morefparticularly to the draw ings, 10` indicates a. furnace structure and 11 indicates a dryingbin in communication therewith and through which bin heated air may be circulated in alternate directions,the communication beingestablished between the furnace structure and the binby an upper air pipe 12 and ailower air pipe 13.
The furnace as more clearly shown in Fig. 5 ot" the drawings, comprises av iireboX 15. supplied with a suitableheatingmedium such as the oil burner 16 by which a-tlame is projected into the irebox. The irebox is in communication with a. flue 17 leading Serial No. 43,197.
to the stack 18. An air jacket 19 encloses the fireboX 15. An-inlet' port 20 is 'orme'd in one side wall of the air jacket and an outlet port. 21 is formed in another side wall of4 this jacket.
The outlet port' is in communication with a rotary blower structure 22 by which air will be drawn 'from the air jacket' and de-y liveredy to a hot air duct 23 to a control chamber 24.. As shown in Fig. 1- of. the drawing, it will be seen that the control chamber 24 andthe furnace structure are disposedalongside of each-other, and it will be seen that all'- air being. delivered to or from the furnace must. ot necessity pass throughthe control chamber 24"before reachingthe air pipes 12er 13.
Disposed on the opposite side of the control chamber 24. from the inletl duct 23 is an air duct 25 which establishes communication betweenan opening 26 in the-side of the control chamber and port120 in the side wall of the air chamber oi the furnace. By reference to Fig. 4'` of; the drawings, it will be seen that the opening. 26'in the side wall l oifl the control chamber' is substantially diametrically opposite to the opening 27 in the opposite sidewall ofV the control'chamber and which opening'is ink communication with the hot air duct' 251 The pipe 12 is shown in. Fig. 4 as being in communication with the top of the con@ trol chamber 24,. while the pipe 13is shown as being in communication with the con.- trol chamber'at a` point' near its bottom or at least at. a point below the plane of the side openings 26 and2?. The control chamber is equipped. with. a damper 28 pivotall'y mounted.` within the chamber substantially midway between the openings 26 and 27', the dimensions oil said damper` being such as to cause the damper to extend diagonally ot the chamber when striking the opposite side walls thereof' at points above and below the openings 26. and 27', as the case may be, so that the control chamber 24 will be divided into two compartments between which an inclined partition. wall is formed by thedamper, and which damper is thus disposed in-the paths of-travelofthe incoming and` outgoingY air passing through openings 26'and 27'to divert theairi along its desired course. By this arrangement the ,control chamber with its damper alterwhich bulk materials may be placed, induction and eduction ports in the top and bottom of said bin, a foraminous floor within the bin to support bulk material above the bottom of the bin, an air heater, means for creating a circulation of said heated air through the bin from an induction port to an eduction port, control means for permitting a mixing and replenishing of the air drawn from the bin by fresh air, and means interposed vbetween the bin and the air heater for optionally reversing the direction of flow of the air circulating through the bin.
2. A desiccator comprising a bin within which bulk material may be placed, a hot air furnace by which air may be heated for circulation through the bin, a control chambcr interposed between the air furnace and the bin and in communication with the furnace, pipes connected with the control chamber, one of said pipes communicating with the upper end of the bin and the pipe communicating with the lower end thereof, and
means within the control chamber whereby a circula-tion of air may be set up through the bin, the control chamber and the furnace.
3. A desiccator comprising a bin within which bulk material may be placed, a hot air furnace by which air may be heated for circulation through the bin, a control chamber interposed between the air furnace and the bin and in communication with the furnace, pipes connected with the control chamber, one of said pipes communicating with the upper end of the bin and the pipe communicating with the lower end thereof. means within the control chamber whereby a circulation of air may be set up through the bin, the control chamber and the furnace, and means whereby the direction of `How of the circula-ting air may be changed in the control chamber to cause a corresponding change of direction of flow through the bin.
GRAHAME B. RIDLEY.
US43197A 1924-10-22 1925-07-13 Desiccator Expired - Lifetime US1620289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US43197A US1620289A (en) 1924-10-22 1925-07-13 Desiccator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US745103A US1619765A (en) 1924-10-22 1924-10-22 Desiccator
US43197A US1620289A (en) 1924-10-22 1925-07-13 Desiccator

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653392A (en) * 1951-06-11 1953-09-29 United States Steel Corp Foundry drying oven
US2716289A (en) * 1952-07-19 1955-08-30 Smith Corp A O Method and apparatus for the slow drying of stored material
US20010038616A1 (en) * 2000-04-12 2001-11-08 Mo-Han Fong Active set management in a cellular wireless network that supports high data rate forward link transmissions
WO2006002124A1 (en) * 2004-06-22 2006-01-05 Maguire Products, Inc. High capacity low pressure dryer for resins and other granular and powdery materials
US20060080858A1 (en) * 2000-06-16 2006-04-20 Maguire Stephen B Low pressure high capacity dryer for resins and other granular and powdery materials
US20060185186A1 (en) * 2000-06-16 2006-08-24 Maguire Stephen B Resin drying method and apparatus
US8141270B2 (en) 2009-08-13 2012-03-27 Maguire Products, Inc. Gas flow rate determination method and apparatus and granular material dryer and method for control thereof
USRE45501E1 (en) 1997-09-19 2015-05-05 Stephen B. Maguire Low pressure dryer
US10539366B2 (en) 2014-04-30 2020-01-21 Stephen B. Maguire Method and apparatus for vacuum drying granular resin material
US11203133B2 (en) 2018-04-04 2021-12-21 Novatec, Inc. Method and apparatus for polymer drying using inert gas
US11364657B2 (en) 2018-04-04 2022-06-21 Novatec, Inc. Reducing moisture in granular resin material using inert gas

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653392A (en) * 1951-06-11 1953-09-29 United States Steel Corp Foundry drying oven
US2716289A (en) * 1952-07-19 1955-08-30 Smith Corp A O Method and apparatus for the slow drying of stored material
USRE45501E1 (en) 1997-09-19 2015-05-05 Stephen B. Maguire Low pressure dryer
US20010038616A1 (en) * 2000-04-12 2001-11-08 Mo-Han Fong Active set management in a cellular wireless network that supports high data rate forward link transmissions
US8776392B2 (en) 2000-06-16 2014-07-15 Stephen B. Maguire Resin drying method and apparatus
US20060185186A1 (en) * 2000-06-16 2006-08-24 Maguire Stephen B Resin drying method and apparatus
US7234247B2 (en) 2000-06-16 2007-06-26 Maguire Stephen B Low pressure dryer
US7347007B2 (en) 2000-06-16 2008-03-25 Maguire Stephen B Low pressure high capacity dryer for resins and other granular and powdery materials
US20060080858A1 (en) * 2000-06-16 2006-04-20 Maguire Stephen B Low pressure high capacity dryer for resins and other granular and powdery materials
WO2006002124A1 (en) * 2004-06-22 2006-01-05 Maguire Products, Inc. High capacity low pressure dryer for resins and other granular and powdery materials
US8141270B2 (en) 2009-08-13 2012-03-27 Maguire Products, Inc. Gas flow rate determination method and apparatus and granular material dryer and method for control thereof
US10539366B2 (en) 2014-04-30 2020-01-21 Stephen B. Maguire Method and apparatus for vacuum drying granular resin material
US11203133B2 (en) 2018-04-04 2021-12-21 Novatec, Inc. Method and apparatus for polymer drying using inert gas
US11364657B2 (en) 2018-04-04 2022-06-21 Novatec, Inc. Reducing moisture in granular resin material using inert gas

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