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1) 2) 3) 4) 5) 6) 7) 8) 9) W hat types of wood products does your com pany m anufacture? • Primary wood products (e.g. lumber) _ J Secondary wood products (e.g. value added) • Both b.f. SURVEY OF POTENTIAL KILN DRYING PROBLEMS AND ISSUES QUESTIONNAIRE How many kilns does your company have? Whatisthecapacityofyourlargestkilns?(listuptofive inboardfeet) kilns b.f. I |Water heated I | Radio frequency Kilnl Kiln 2 b.f. b.f. Kiln 3 Kiln 4 b.f. Kiln 5 vacuum Whatisthemostcommontypeofkilninyourfacility?(check only one) ' • Steam heated • Direct fired • Super heated steam vacuum • Oil heated • Dehumidification _ ] Other (please specify) _ How do you obtain energy to run your kilns? I |The energy for drying is purchased I I The energy for drying is created in-house • Both How many board feet of lumber do you dry annually? . board feet / year List the species that you commonly dry. Approximately what proportion (by volume) of each do you dry? Whichmarketsdoyouserve?(check allthatapply) • US • Japan • Africa • Canada • Central, South America • Other (please specify) • Europe • Asia Do you intend on upgrading your kilns in the near future? • Yes • Ifso,when? • No 10) Please rate the following problems related to dried product quality that you may experience in your operations. Rate eachbycirclingfrom1(notaconcern) to5(amajorissue). not a not much o f a moderately a serious a major concern a concern serious issue issue issue Discolouration (because o f fungi) Discolouration (because o f temperature) Discolouration (because o f sticker marks) Shape deformations 12345 12345 Case hardening (internal stresses) 12345 12345 12345 12345 12345 1 2 3 4 5 12345 1 2 3 4 5 Resin flow to surface Moisture content internal gradients (shell vs. core) Spread o f final moisture content (wide variation) 12345 Achieving target moisture content Collapse Checked knots Internal checking (honeycomb) Internal checking (shake) End checking Surface checking 11) W hen you experience problems with your kilns, who do you generally turn to for assistance? 12345 1 2 3 4 5 12345 12345 114PDF Image | KILN DRYING PROBLEMS AND ISSUES IN CANADA
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