GB1331229A - Drying kilns - Google Patents

Drying kilns

Info

Publication number
GB1331229A
GB1331229A GB1331229DA GB1331229A GB 1331229 A GB1331229 A GB 1331229A GB 1331229D A GB1331229D A GB 1331229DA GB 1331229 A GB1331229 A GB 1331229A
Authority
GB
United Kingdom
Prior art keywords
motor
damper
fan
air
controller
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
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.)
Wells Ltd G F
Original Assignee
Wells Ltd G F
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 Wells Ltd G F filed Critical Wells Ltd G F
Publication of GB1331229A publication Critical patent/GB1331229A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/16—Wood, e.g. lumber, timber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

1331229 Drying kilns G F WELLS Ltd 4 Dec 1970 [10 Dec 1969] 60332/69 Heading F4G In a drying kiln 10 comprising a motor-driven fan 30 reversible to circulate heated drying air in a forward direction or a reverse direction, motoroperated dampers 48 are provided in ports 44 and 46 and are controlled by a controller 74 so that the damper 48 in the port which is functioning as an inlet opens only to a pre-set position which is less than fully open, while the damper 48 in the port which is functioning as an outlet opens to the fully open position. This avoids pressurization of the kiln due to the incoming cold air having a greater density than the outgoing warm air. Heated air is passed between vertically-spaced courses of timber 12 from the fan 30 either firstly through the centre section to the space 28 and then back through the side sections, or vice-versa. Air heaters 26 may comprise lengths or coils of steam pipes, or may be electrical. Steam is admitted through manifold 50 to provide humidification. Fan and damper control circuit (Fig. 3).-The direction of rotation of the fan motor is determined by a timer switch 54, e.g. with contact between L and F, and no signal from controller 74, the damper motors are in closed positions. A signal from controller 74 then energizes the relays 74, 70, and motor 56 is operated to a partially open position set by resistance potentiometer 68 (and then stops) whilst motor 58 opens fully.
GB1331229D 1969-12-10 1969-12-10 Drying kilns Expired GB1331229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6033269 1969-12-10

Publications (1)

Publication Number Publication Date
GB1331229A true GB1331229A (en) 1973-09-26

Family

ID=10485443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1331229D Expired GB1331229A (en) 1969-12-10 1969-12-10 Drying kilns

Country Status (1)

Country Link
GB (1) GB1331229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258693A1 (en) * 2001-05-14 2002-11-20 Reinhard Dipl.-Ing. Brunner Process and apparatus for drying sawn timber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258693A1 (en) * 2001-05-14 2002-11-20 Reinhard Dipl.-Ing. Brunner Process and apparatus for drying sawn timber

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees