山東輕工業(yè)學院：制漿造紙工藝學(教學大綱)

1、山東輕工業(yè)學院：制漿造紙工藝學(教學大綱)DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view.Pulping technology, syllabus, pulping technologyEnglish Course Name: Pulping, Principles, and, EngineeringCourse Code: curriculu

2、m code: 0511502Total class hours: 64 (theoretical class hours: 60, discussion class hours: 4)Total credits: 4Prerequisite courses: Organic Chemistry, principles of chemical engineering, and natural polymer scienceApplicable Specialty: Light Chemical Engineering (direction 1: pulp and Paper Engineeri

3、ng)Teaching and research section: pulp and paper engineering teaching section, School of light and environmental engineeringFirst, the content of curriculum teachingChapter 1 plant fiber materialsSection 1 Classification of plant fiber materialsThe type of plant fiber used in papermaking; the concep

4、t of cells.The cell structure of second plant fiber materialsThe structure of a plant; the kinds of cells in a plant; the relationship between various cells and pulping.The chemical composition of third plant fiber materialsThe relationship between the structure and chemical properties, and pulp cel

5、lulose; the relationship between the structure and chemical properties, and pulp and paper hemicellulose; structure, chemical properties, and papermaking lignin; the relationship between a component and structure, pulping and papermaking.Fourth sections of various kinds of plant fiber materialsWood

6、fiber; grass stem fibre; bast fiber; leaf fiber; cotton and cotton linter (Zi Mao)In the fifth section, how to choose plant fiber material in pulping and papermaking process?The chemical composition of a fibrous material; the fibrous shape of a fibrous material; how to select plant fiber material.Th

7、e second chapter.Section 1 storage of raw materialsThe purpose of storage of raw materials and the requirements of raw material factories; storage of logs; storage of wood chips; storage of non wood raw materials.The preparation process and quality control of the second dayPreparation of wood materi

8、als; non wood raw material preparation.Third pieces of material conveying and storageThe delivery of material; a bin.The third chapter is chemical pulpingSection 1 Classification of chemical pulping, composition and calculation of cooking liquidThe classification of chemical pulping; the meanings of

9、 commonly used terms and examples of cooking calculation; the composition and properties of the cooking liquor.Second principles of cookingEffect of cooking on the wood and soaked in liquid straw; lignin chemistry cooking process; chemical degradation of carbohydrates during cooking.Third section co

10、oking method and technologyA process or process of cooking; batch cooking.Fourth section cooking equipmentCooking equipment and its selection; alkaline cooking system and its design requirements.The fifth section is about the properties, uses and quality indexes of chemical pulpProperties and uses o

11、f chemical pulps; quality indices of chemical pulps.The fourth chapter, mechanical method, chemical mechanical method and semi chemical pulpingSection 1 grinding wood pulpClassification and comparison of grinding machines, types and properties of grinding stone, grinding principle and influencing fa

12、ctors.Second disc grinding mechanical pulp and chemical mechanical pulpFactors of disk refiner mechanism and influence; ordinary refiner mechanical pulp (RMP); preheating refiner mechanical pulp (TMP); chemical mechanical pulp (CTMP); bio mechanical pulp (BMP) pulping; blasting; extrusion method of

13、mechanical pulp (Extruder Mechanical Pulping, EMP).Third section semi chemical pulpingNeutral sulfite process; semi chemical pulp (NSSC); other semi chemical pulping.The fourth section is the quality inspection of mechanical pulping and the analysis of technical and economic indexesQuality grade of

14、mechanical pulps; quality inspection of mechanical pulps; technical and economic analysis of mechanical pulps.The fifth chapter, washing, screening and purification of pulpSection 1 washing of pulp and extraction of waste liquidOverview of the washing principle, methods and influencing factors; wash

15、ing equipment; foam formation and defoaming.Screening and purification of second pulpThe selection of pulp, the purification of pulp, the process of screening and purification, and the treatment of pulp are discussed.Concentration and storage of third sections of pulpThe concentration of pulp; stora

16、ge of pulp.The sixth chapter, waste paper pulpingThe first section is an overviewThe significance of waste paper recycling; classification and collection of waste paper; changes in the nature of waste paper recycling process.The second section is the dissociation of waste paper and the purification

17、and concentration of waste paper pulpThe dissociation of waste paper; the purification of waste pulp; the concentration of waste pulp; the treatment of hot melt substances and other special substances.Third section deinking of wastepaperThe principle of wastepaper deinking; the properties, functions

18、 and kinds of deinking agents; deinking methods of wastepaper; process and process of wastepaper deinking; influencing factors of wastepaper deinking; wastepaper deinking equipment; new technology of wastepaper recycling.The seventh chapter bleaching of pulpThe first section is an overviewBleaching

19、history and development trend; bleaching purpose and classification; bleaching chemicals and bleaching processes.Second sections of pulp color, whiteness, chromophore groups and bleaching principleThe basic principles of color, brightness, brightness and chromaticity; the optical properties of pulps

20、; the chromophoric groups of pulps and the principles of bleaching of pulps.Third regular chlorine bleaching of chemical pulpHypochlorite single stage bleaching; conventional CEH three stage bleaching; conventional multistage bleaching with chlorine dioxide bleaching; multistage bleaching equipment.

21、Fourth elemental chlorine and chlorine free bleaching of chemical pulpsThe development of ECF and TCF bleaching technology; oxygen delignification; oxygen enriched alkali extraction; ozone bleaching; hydrogen peroxide bleaching; peracetic acid bleaching; biobleaching; selection and comparison of ECP

22、 and TCF bleaching and bleaching; replacement of closed cycle.Bleaching of fifth high yield pulpsBleaching characteristics of high yield pulps; hydrogen peroxide bleaching of mechanical pulps and chemical mechanical pulps; and two dithionite bleaching of mechanical pulps and chemical mechanical pulp

23、s.Bleaching of sixth fractions of waste pulpHydrogen peroxide bleaching of waste pulps; two step sulfite bleaching of waste pulps; multistage bleaching of pulp oxygen and ozone bleaching sections.Combined bleaching of spent methylene sulfiteThe stability of yellowing and whiteness of seventh pulpsTh

24、e yellowing and yellowing value of pulp; the mechanism and influencing factors of yellow pulp return; the method of stabilizing whiteness and reducing yellowing.The eighth chapter is the recovery and utilization of cooking waste liquorSection 1 recovery of waste liquor from cookingThe composition an

25、d property of waste liquid, the method and process of waste liquid recovery, the evaporation and concentration of waste liquid, the combustion of waste liquid, the recovery of green liquor and sludge, and the review of new technology and new methods for waste liquid recovery.The comprehensive utiliz

26、ation of second cooking waste liquorComprehensive utilization of black liquor and comprehensive utilization of sulfite pulping effluent.Two, exercises, class discussions1. kinds and variation of plant fiber material;2. preparation, how to ensure the quality;3. classification and development trend of

27、 chemical pulping;4. high yield pulp applications, the current production of high yield pulp;5. process and equipment for pulp washing, screening and purification;6. use of waste pulp and the main problems at present;7. bleaching methods and their latest progress: problems of bleaching wastewater po

28、llution;8. the main methods of waste liquid treatment and comprehensive utilization.Syllabus manualFirst, the nature and tasks of the coursePrinciple and Engineering is a required course for pulping pulping and Papermaking Engineering Specialty, through this course, make students master the basic co

29、ncepts, basic principle, process calculation, process and equipment, raw materials to learn the basic principle, cooking or grinding, screening, purification and bleaching, wastewater treatment each part with modern technology, grasp the latest developments for pulp and paper at home and abroad, a g

30、ood foundation for engaging in pulp and paper production and scientific research work lay.Two, the link and division of curriculum with other coursesThe first courses in this course are organic chemistry, principles of chemical engineering and natural polymer science. Through the study of organic ch

31、emistry, to enable students to master the properties of commonly used chemicals in chemical production; to study chemical pulping used to lay the foundation, based on the principle of chemical learning, master the basic principle of each unit operation in chemical production, and create conditions f

32、or learning in the pulping process on each section of the natural processes and equipment; the study of polymer science, master the structure and properties of cellulose, hemicellulose and lignin, so that students can learn better and the theory of cooking. This course systematically studies the pul

33、ping process and lays the foundation for the study of paper making technology and other specialized courses.Three, the content of each chapter of the basic requirements and key points, difficultiesChapter 1 plant fiber materialsBasic requirements: to understand the current situation of fiber raw mat

34、erials in Chinas pulp and paper industry; to master the classification of plant fiber materials, the types of cells, fiber morphology and chemical composition, and to master the principle of selecting raw materials.Key point: choice of plant fiber material.Difficulty: the cellular structure of plant

35、 fiber material.The second chapter.Basic requirements: understanding the various material production process, control process, equipment and process parameters of wood and straw raw material preparation.Key: wood and straw raw material preparation, process equipment, process parameters.Difficulty: h

36、ow to ensure the preparation quality.The third chapter is chemical pulpingBasic requirements: understand the common methods and processes of chemical pulping,Grasp the process, equipment, process parameters and calculation of alkaline and sulfite pulping, and grasp the present situation, existing pr

37、oblems and development trend of chemical pulping.Emphasis: principle and equipment of chemical pulping.Difficulty: quality control in chemical pulping.The fourth chapter, mechanical method, chemical mechanical method and semi chemical pulpingBasic requirements: to understand the mechanical and chemi

38、cal mechanical method, semi chemical pulping classification and production processes, as well as Chinas high yield pulp uses and production status; grasp the refiner mechanical pulp and chemi mechanical pulp production process, equipment and related mechanism.Key points: the production process, equi

39、pment and process conditions of disc grinding, mechanical pulp and chemical mechanical pulpDifficulties: APMP production process, equipment and process conditions.The fifth chapter, washing, screening and purification of pulpBasic requirements: understanding pulp washing, screening and purification

40、purposes and functions; grasp the pulp washing, screening and purification processes, equipment and process parameters.Key points: reasonable flow and equipment are selected to ensure the quality of pulp washing, screening and purification.Difficulties: structure and reasonable selection of washing,

41、 screening and purifying equipment.The sixth chapter, waste paper pulpingBasic requirements: to understand the classification of waste paper, the present situation of waste paper production in China, and to master the basic process, equipment and related technological parameters of waste paper pulpi

42、ng.Key points: waste paper pulping equipment and process conditions.Difficulties: removal of stickies, deinking process, equipment and process conditions in wastepaper pulping.The seventh chapter bleaching of pulpBasic requirements: to understand the classification of bleaching methods and the curre

43、nt major bleaching methods and processes; to master all kinds of bleaching processes, equipment and related process parameters.Emphasis: non elemental chlorine bleaching and chlorine free bleaching of chemical pulps.Difficulty: the effect of bleaching processes on the properties of pulps.The eighth

44、chapter is the recovery and utilization of cooking waste liquorBasic requirements: to understand the composition and nature of cooking waste liquor, and the current treatment and comprehensive utilization of waste liquid, master the process, equipment and process parameters of black liquor alkali recovery.Key: cooking process, equipment and process parameters of soda alkali recovery.Difficulty: treatment and comprehens