1.0.1 This code is formulated with a view to unifying technical requirements in the design of the viscose fibre plant, achieving advanced technology, economy and rationality, safety and usability, and being conducive to environmental protection, energy saving and emission reduction, and labor protection.
1.0.2 This code is applicable to the design of construction, extension and renovation engineering for the viscose fibre plant with the dissolving pulp as the main material.
1.0.3 Engineering design of the viscose fibre plant shall comply with principles, policies and requirements of the national capital construction, actively adopt cleaner production technology, improve resources and energy efficiency maximally, exercise strict control over resources and energy consumption of unit products, encourage and promote integrated balance and utilization of the production process.
1.0.4 In the general design of the viscose fibre plant, in combination of the unified planning for the functional zoning shall be definite as far as possible so as to avoid cross contamination.
1.0.5 Design of the viscose fibre plant shall not only meet those specified in this code, but also the requirements of relevant current national standards.
1 General Provisions 1
2 Terms 1
3 Process Design 2
3.1 General Requirements 2
3.2 Process 3
3.3 Design Requirements 4
3.4 Energy-saving and Water-saving 5
4 Process Equipment 6
4.1 General Requirements 6
4.2 Equipment Selection 6
4.3 Equipment Layout 7
5 Piping 7
5.1 General Requirements 7
5.2 Piping Layout and Selection of Piping Materials 8
6 Auxiliary Production Facilities 11
6.1 General Requirements 11
6.2 Chemical Laboratory and Physical Testing Room 11
7 Automatic Control and Instrument 11
7.1 General Requirements 11
7.2 Level of Automatic Control 12
7.3 Main Plan for Measurement and Control System 12
7.4 Selective Provision for Automatic Control Equipment 12
7.5 Selection of Special Instrument 13
7.6 Safety Technical Measures of Instrument 13
8 Electrical 13
8.1 General Requirements 13
8.2 Grades of Power Load and the Requirements of Power Supply 13
8.3 Power Supply and Distribution System 14
8.4 Lightening 15
8.5 Lightening Protection 16
8.6 Anti-static and Grounding System 16
8.7 Automatic Fire Alarm System 17
8.8 Electrical Design for Explosive Atmosphere and Fire Hazard 17
9 General Plan 17
9.1 General Requirements 17
9.2 General Layout Design 17
9.3 Vertical Design 19
9.4 Combined Pipeline 19
10 Building and Structure 20
10.1 General Requirements 20
10.2 Production Workshop and Auxiliary Facilities 20
10.3 Fire-protection, Explosion-protection and Corrosion-protection of Building 21
10.4 Structure Form and Constructional Details 22
11 Water Supply and Drainage 22
11.1 Water Supply 22
11.2 Drainage 25
11.3 Fire Water Supply 26
12 Heating, Ventilation and Air Conditioning 26
12.1 General Requirements 26
12.2 Heating 28
12.3 Ventilation 28
12.4 Air Conditioning 29
12.5 Equipment Selection and Other Requirements 29
13 Motive Power 30
13.1 Heat Supply System 30
13.2 Refrigeration Station 31
13.3 Compressed Air and Nitrogen Station 32
14 Environmental Protection 32
14.1 General Requirements 32
14.2 Waste Gas Treatment 32
14.3 Waste Water Treatment 33
14.4 Solid Waste Treatment 33
14.5 Greening 33
15 Safety and Health 34
15.1 General Requirements 34
15.2 Main Protective Measures for Safety 34
15.3 Occupational Health 34
16 Storage 35
16.1 General Requirements 35
16.2 Material and Product Warehouse 36
16.3 Carbon Disulfide Warehouse 36
16.4 Acid and Alkali Warehouse 37
16.5 Other Requirements 37
17 Repair of Machine and Electric Installations and Instrument 37
17.1 General Requirements 37
17.2 Workshop and Equipment Layout 37
17.3 Other Requirements 38
Appendix A Consumption Index of Main Materials and Utility for Pot Spinning Viscose Filament Yarn Production 39
Appendix B Consumption Index of Main Materials and Utility for Ordinary Viscose Staple Fibre Production 40
Appendix C Process Flow of Viscose Filament Yarn 41
Appendix D Process Flow of Viscose Staple Fibre 42
Appendix E Classification of Fire Hazards in Viscose Fibre Plant 43
Explanation of Wording in This Code 45
List of Quoted Standards 46
