Description
Technical Parameters
BAF Tank Calculation
The following is AquaSust for you to sort out the correct way to calculate the amount of aeration：
- Blue block is the design datameter : be filled in
- Brown: calculate process data
- Greener : last result for your proces
| 1.BAF Tank-Parameter | |||||
| Water quantity Q | 2000 | m3/d | BAF pool area | 26.93333333 | |
| Inlet BOD | 126 | mg/l | Number of BAF tanks n | 2 | |
| Effluent BOD | 25 | mg/l | BAF pool side length | 3.669695719 | |
| Volume load | 3 | 3-5kg/(m3*d) | BAF pool side length take | 5 | |
| Height of packing layer H1 | 2.5 | Generally 2.5-4.5 | BAF tank volume | 67.33333333 | |
| Distribution chamber height h1 | 1.2 | 1.2-1.5 | H | 5.5 | |
| Supporting layer h2 | 0.3 | 0.2-0.3 | |||
| Clear water area h3 | 1 | 0.8-1.0 | |||
| Extra high | 0.5 | 0.3-0.5 | |||
| Packing volume | 125 | 125 | |||
| The gas volume can be calculated according to EH | |||||
| 2.When selecting a blower | |||||
| Q | hourly flow | inlet BOD | outlet BOD | carbon equivalent | |
| 2000 | 83.33333333 | 0.075 | 0.015 | 1.6 | |
| Fan air volume m3/min | average oxygen demand | EA | GS(air valume) | ||
| 3.174603175 | 8 | 0.28 | 0.15 | 190.4761905 | |
| 3.Backwash air volume | |||||
| Strength of backwash air volume | 0.2-0.8 | m3/(m2*min) | 13.46666667 | m3/min | |
| Water flushing strength | 0.5-1.0 | m3/(m2*min) | 808 | m3/h | 9.696 |
| 21.6 | m3/(m2*h) | 581.76 | |||
| Number of long-handled filter heads | (36 filter heads per square meter) | ||||
| 969.6 | Taizhou Zhongchang | 36-49 | 2450 | ||
| Number of filter plates | 36 filter heads per square | ||||
| Standard Filter Plate Size | 980*980*100 | ||||
| Price | |||||
| Filter plate is cast in one piece | thicknesses 180mm |
1400-1500m2 | |||
| Filter head | 12 yuan/pc | ||||
| Filter media | 1500m3 | ||||
| Single hole aerator | 0.28m3/个 | ||||
| 680.2721088 | 50 per unit (cost 22) | 0.039592 | |||
| 25.2576278 | |||||
| water dispenser | 1900yuan/pcs | ||||
| 4.Based on residence time | |||||
| T | 1.5 | h | |||
| Upflow velocity | 2 | m3/h | |||
| Effective water depth | 3 | m | |||
| Water volume Q | 2000 | m3/d | |||
| Hourly flow rate | 83.33333333 | ||||
| Number of BAF pools n | 2 | ||||
| Effective volume of pool | 125 | ||||
| Individual pool area | 20.83333333 | 104.1666667 | |||
| Individual pool width | 5 | ||||
| Individual pool length | 4.166666667 | Take 6.0m | |||
| Individual pool length taken | 5 | ||||
| Packing layer height H1 | 3 | ||||
| Distribution chamber height h1 | 1.2 | 1.2-1.5 | |||
| Support layer h2 | 0.2 | 0.2-0.3 | 10L/m2*s | ||
| Clear water area h3 | 0.8 | 0.8-1.0 | |||
| Ultra-high | 0.3 | 0.3-0.5 | |||
| Total height | 5.5 | ||||
| Packing volume | 125 | ||||
| Number of long-handled filter heads | 1800 | (每平方有36-49个滤头) | |||
| Single hole membrane aerator | 1880 | ||||
| Aeration volume | 8.4 | ||||
| Backwash volume | 0.5 | atmospheric recoil strength＞10 | L/m2*s | 0.6 | m3/m2*min |
| Aeration volume | 3.174603175 | m3/min | |||
| Blower | 3.19 | ||||
| Single Hole Membrane Aerator | 683.5714286 | ||||
| Backwash air volume strength | 0.2-0.8 | m3/(m2*min) | 12.5 | m3/min | |
| Water flushing strength | 0.5-1.0 | m3/(m2*min) | 625 | m3/h | |
| Number of long-handled filter heads | (36 filter heads per square meter) | ||||
| 1500 | |||||
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