Course code MatZ3012

Credit points 2

Hydrothermical Processing of Wood

Total Hours in Course80

Number of hours for lectures4

Number of hours for seminars and practical classes28

Independent study hours48

Date of course confirmation29.11.2016

Responsible UnitDepartment of Wood Processing

Course developer

author Kokapstrādes katedra

Edgars Bukšāns

Dr. sc. ing.

Prior knowledge

MatZ3060, Hydrothermical Processing of Wood

MatZP008, Hydrothermical Processing of Wood

Replaced course

MatZ3035 [GMTR3035] Hydrothermical Processing of Wood

Course abstract

Project of the drying department for kiln drying of sawn timber, according to the issued individual task.

Learning outcomes and their assessment

Knowledge about wood and different wood products drying theory and technology – discussions at lectures, elaboration and defence of course project.
Skills to define and analyse questions regarding wood drying process, manage wood drying process in wood processing companies and evaluate drying quality - discussions at lectures, elaboration and defence of course project.
Competence to evaluate, analyse and develop wood drying technology in wood processing companies - discussions at lectures, elaboration and defence of course project.

Course Content(Calendar)

1 Clarification and harmonization of project output data.
2 Selection of drying mode.
3 Setting the drying mode.
4 Determination of the number and load of drying rooms.
5 Heat engineering calculations.
6 Heat carrier and fuel quantity calculations.
7 Determination of the amount of drying agent, calculation of ventilation ducts and hotplate surface.
8 Aerodynamic calculations.
9 Constructive elements of the dryer.
10 Designing a dryer design.
11 Composing the Dryer Passport.
12 Calculation of drying costs.
13 Graphic design.
14 Designing the Project Description Part.
15 Submission of the course project. 16 Defending the course project.

Requirements for awarding credit points

Assessment of learning outcomes is done by evaluation of course project.

Description of the organization and tasks of students’ independent work

Elaboration of course project of wood drying kiln according individual task and containing following calculations:
• technical calculations of the drying kiln;
• thermal calculations;
• aerodynamic calculations;
• fuel consumption calculations;
• calculation of wood drying costs;
• design drawing project of drying kiln.

Criteria for Evaluating Learning Outcomes

Elaborated and defended course project – 100%

Compulsory reading

1. Kokins L., Staprāns J. Koksnes hidrotermiskā apstrāde un konservēšana - R: Zvaigzne, 1984. - 221 lpp.
2. Справочник по сушке древесины. - Москва: Лесная промышленность, 1990. - 204 стр.
3. Шубин Г.С. Проектирование установок для гидротермической обработки древесины. - Москва: Лесная
промышленность, 1983. - 272 стр.
4. Серговский П.С., Расев А.И. Гидротермическая обработка и консервирование древесины. - Москва: Лесная
промышленность, 1987. - 353 стрю

Further reading

1. Miķītis Ē., Upmanis K. Koksnes žāvēšana. - R.: Liesma, 1971. - 288 lpp.
2. Стапран Я.В. Режимы искуственной сушки пиломатериалов. - Рига, 1989. - 34 стр.
3. Стерлин Д.М. Сушка в производстве фанеры и древесностружечных плит. - Москва: Лесная промышленность, 1977.
4. Janik W. Handbuch der Holztrocknung. - Leipzig: VEB Fachbuchverlag, 1965. - S 221.

Periodicals and other sources

1. Latvijas kokrūpniecības un meža nozaru mēnešraksts "Lietaskoks".
2. Starptautiskie žurnāli "Baltijas koks" un "Baltic Timber Journal".
3. Koka nozares laikraksts "Holz-Zentralblatt".
4. Žurnāls "Timber Industry Magazine".

Notes

The study course is included in the compulsory part of the professional higher education study program Wood Processing realized by Forest Faculty