Natural water treatment plant - water treatment

Ministry of Education of the Russian Federation
Nizhny Novgorod State
University of Architecture and Civil Engineering
Institute of Engineering and Ecological Systems and Structures
Department of Water Supply and Sanitation
Course project on the topic
"Water treatment plants"
Nizhny Novgorod
2020

1. Vladivostok OS district
2. Geodetic elevation of the OS 110 site
3.Chromaticity, hail, flood, lowland 65 55
4. Turbidity, mg/l
Flood, low water 900 400
5. Taste, scores 2
6. Smell, scores 2
7. pH 6,8
8. Oxidizability, mg/l 5,4
9. Alkalinity, mg-eq/l 4,7
10. Total hardness, mg-eq/l 6,8
11. Dry residue, mg/l 750
12. Usable OS performance, m3/day 41000

Background 3
Introduction 4
1 Choice of technological scheme of water treatment 5
2 Calculation of the design of fast filters 6
2.1 Determination of the total area of filters and their quantity 6
2.2 Determination of the construction height of rapid filters 9
2.3 Calculation of the tubular drainage and distribution system of the filter 10
2.4 Calculation of hole tubes for tubular branches of the drainage and distribution system 12
2.5 Calculation of the flushing water collection system in rapid filters 14
2.6 Calculation of the prefabricated side pocket of fast filters 18
2.7 Calculation of devices for water supply for flushing of rapid filters 19
2.7.1 Calculation of head losses during flushing of rapid filters 19
2.7.2 Calculation of the required head of the flushing water pump 21
2.8 Determination of piping diameters for strapping fast filters 22
3 Determination of the total capacity of the wastewater treatment plant 23
4 Calculation of clarifiers with suspended draught 27
4.1 Sizing of clarifiers in plan 27
4.2 Calculation of the distributive system of clarifiers with suspended draught 32
4.3 Calculation of sedimentation windows 33
4.4 Determination of the height dimensions of the clarifier 34
4.5 Calculation of sedimentation collector 36
4.6 Calculation of devices for collecting clarified water 38
5 Calculation of vertical vortex mixer 41
6 Calculation and construction of the height-technological scheme 49
Conclusion 51
List of sources used 52