Course detail

Mechanical Processes

FSI-KMPAcad. year: 2023/2024

The course is concerned with the following topics: mechanical manipulation and storage of loose material. Calculation of geometrical and physical properties of loose material and the state of stress. Main dimension of apparatus and unit operations (crushing, milling, classification, mixing of particles, storage, granulation and transport of loose materials).

Language of instruction

Czech

Number of ECTS credits

5

Mode of study

Not applicable.

Guarantor

doc. Ing. Jaroslav Jícha, CSc.

Department

Institute of Process Engineering (ÚPI)

Entry knowledge

Basic knowledge of mathematics and physics.

Rules for evaluation and completion of the course

Course-unit credit requirements: Active participation in seminars. Examination consists of written and oral parts.
Attendance at lectures is recommended. Attendance at seminars is compulsory and checked.

Aims

The course objective is to make students familiar with fundamental properties of solid particles, shape of particles, specific area, sphericity, porosity and stress analysis as well as classification and sizing of granular material,,crushing, grinding and milling of particles.
Agglomeration. Short distance transport. Mixing, dosing and storage of granular material. Fundamental principles of plant units and equipment.
Designing main dimension of equipment.
Fundamental properties of loose materials. Some raw materials and products are in loose and granular form. Fundamental principles of machines used for working loose material. Acquired knowledge can be used for calculation of main dimensions of equipment used in such plants.

Study aids

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Dinter, O.: Drcení a mletí nerostných surovin, SNTL Praha, 1984.
Feda J.: Základy mechaniky partikulárních látek, Academia Praha, 1977.
Medek, J.: Mechanické pochody, 3. vydání, PC-DIR Real, 1998.
Miroslav Richter a Otakar Söhnel, Průmyslové technologie III Stroje a zařízení chemického průmyslu, ISBN 978-80-7414-472-1 (brož.) ISBN 978-80-7414-827-9 (online: pdf), 2013 (CS)
Perry, R. H., Green, D.W., Maloney, J.O.: Perry's Chemical Engineer's Handbook, 7th edition, Osbournce-McGraw Hill, 1997.

Recommended reading

Medek J.: Mechanické pochody, PC-DIR Real s.r.o., Brno (1998)

Classification of course in study plans

  • Programme N-PRI-P Master's 1 year of study, summer semester, compulsory

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

Ing. Pavel Skryja, Ph.D.

Syllabus

1. What is process engineering ?
2. Geometrical characteristics of loose materials.
3. State of stress in loose material.
4. Unit operations: crushing, milling and cutting.
5. Classification of sorting.
6. Agglomeration of loose materials.
7. Transport of loose materials.
8. Hydraulic and pneumatic transport.
9. Mixing of particles.
10. Dosing of loose materials. Rotary kilns
11. Storage, extensive and intensive (silos).
12. State of stress in silos.
13. Flow of loose materials.

Exercise

13 hod., compulsory

Teacher / Lecturer

Ing. Pavel Skryja, Ph.D.

Syllabus

1. Fundamental calculation in process engineering.
2. Geometrical characteristics of grain.
3. Process characteristics of loose materials.
4. Calculations of concentration and density of loose materials.
5. Screew analysis.
6. Calculation of conveyers.
7. Crushing.
8. Milling.
9. Mixing of particles.
10. Systems of transport.
11. Calculations of silos.
12. Flow of loose material in storage tanks.
13. Consulting hours.