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This document provides design specifications for equipment numbers 02-01-SU-050 & 051. It details parameters like solids flow rate, required retention time, densities, and sump dimensions. Key specifications include a solids flow rate of 4360 t/h, minimum retention time of 60 seconds, and minimum cone angle of 55 degrees. Detailed dimensions are provided for the sump cylinder and cone sections as well as pump suction details. Mass and volume calculations are presented for design validation.
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Intze Overhead Water Tank Design by Working Stress - IS Method.pdfDhaka University of Engineering & Technology, Gazipur
Content;
1. Top spherical dome.
2. Top ring beam.
3. Cylindrical wall.
4. Bottom ring beam.
5. Conical dome.
6. Circular ring beam.
The basics of enticing water tank design and the related components are broadly calculated in this document. The next few documents will demonstrate the design of Intze tank members like column, bracing and foundation. Keep following the updates.....Similar to LinkedIn (20)
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Intze Overhead Water Tank Design by Working Stress - IS Method.pdf
Intze Overhead Water Tank Design by Working Stress - IS Method.pdf
- 1. Client : =Client Project No. 360 Company logo Project : =Project Document No. 360-MC-WCP-102 Title : =Calc_Title Equipment No. 02-01-SU-050 & 051 Equipment Name : =Equ_Name Flowsheet No. 140111-2000-49D1-920052_00 Solids Flow Rate (t/h) = 4360.0 13121.0 = Slurry Flow Rate (m3/h) Required Sump Retention time = 60 = RT seconds % solids (w/w) = 27.5% 11488 = Water Flow Rate (m3/h) The minimum cone angle = 55 = mva degrees 0.1 % solids (vol/vol) = 12% The highest operating level = 100 = HOL mm below the overflow Solids Density (t/m3) = 2.67 1.21 = Slurry Density (t/m3) Bulk Solids Density = 62% = BSD t/m3 Sanded % solids (w/w) = 81% 2.04 = Sanded Slurry Density (t/m3) D50 Particle Size =. 0.175 mm MATERIAL t/h Density Durrand Factor F1 (settling calc) = 0.97 Solid 1 Dredge sand 4360 2.67 t/m3 Liner Material = Rubber Solid 2 - 0 1 t/m3 Liner Density = 950 = Dliner kg/m3 Stilling mats/boards installed? yes Liner thickness = 0.006 = Lth m Stilling mat height = 2 m (set to 0 if no mats) Perimeter length of stilling mat = 18.5 m Enter sump details below in yellow cells. (All dimensions in metres UNO.) Select Top stiffener shape 9 = Dcyl Plate width 0.12 = D SECTION Inside diameter of cylinder See NOTES Overflow height Type D 0.012 = F 0.400 = K 0.008 = ptcyl 0.6 Cylinder plate thickness = C. 2.000 =sm 9.2 = G 3.2 = A Outisde diameter 8.960 = H Inside diameter 0.012 = I 4.5 = B 0.014422 56.31 0.012 = ptcone Angle X 4.500 = LH Cone plate thickness Liner height To be confirmed with pump selection 2.730 = MOL 950 = Dia A P H Minimum Operating Level Suction pipe DN (mm) Fixed Suction J 6.639333333 1.067 =FSJ True length of cone 5.408 = s 1.067 = J 3 = Dcone Inside diameter of cone Diameter of base plate Pump Suction Details 0.02 = ptB Approximate Pump Suction Velocity = 5.55 m/s Base plate thickness Approximate Deposition Velocity = 5.41 m/s Suction Pipe End in Sump to be cut at 45.00 degress to the horizontal 2 x Self cleaning velocity = 0.47 Vsc m/s TOTAL Upper Cylinder Lower Cone Select Overflow Type Type D = External Box Overflow Plate Area = 242 m2 90 109 42 Plate Mass = 19851 kg 6100 11739 2012 Factored structural support = 19691 kg 5% 160% 30% Lower cone includes the ring beam Liner Area = 109 m2 0 109 0 Liner Mass = 621 kg 0 621 0 Net (empty) Mass = 40 tonne 6405 31143 2616 Sump Retention Volume at level C = 251 m3 165 85 0 Slurry from mininum operating level to C Required Retention Volume = 219 m3 Estimated sump retention time is 69 seconds RETENTION IS ACCEPTABLE Retention Volume at HOL = 257 m3 172 85 0 Volume from MOL to HOL Max Operating Volume = 309 m3 172 137 0 Volume to the HOL Sanded Volume = 315 m4 178 137 0 Volume to the overflow C Gross Volume = 341 m3 204 137 0 Volume to the top of the sump Estimated Total Operating Mass = 413 tonne 213871 196839 2616 Net + all slurry in the sump to HOL C of G from RL 00 = 5.355 m Net + all slurry in the sump to HOL Total Sanded Mass = 682 tonne 368967 310367 2616 Net + Sanded to C - NO stilling Mats With stilling mats installed there is a necessary assumption that the slury flow rate is sufficient to maintain flow under the mats such that the sump does not sand up under the mats and therefore there is a clearance of 0.423 m below the stilling mats based on the self cleaning velocity. Total Sanded Mass = 579 tonne 265609 310367 2616 Net + stilling mats considered Note: 1. Sump wall thicknesses and stiffener dimensions shown are estimates only to be confirmed after structural design. 2. Suction pipe centreline may not be the pump centreline. Check for pump calculations. Operating Level 6/04/2016 LinkedIn 1 of 1