the baf module (baf module) is a special product (patent number zl2005100333195), which has been developed by a large amount of engineering exploration and practice, which is difficult to plug in the conventional biological aerated filter, unevenly distributed and unclean, and has been developed by a lot of engineering exploration and practice in shenzhen qingquan. it is the first enterprise in china to produce modular standard parts by using biological aerated filter technology.
the baf module (baf module) has the characteristics of good nitrogen and phosphorus removal efficiency, good sewage treatment effect, high water quality stability, advanced technology, high treatment efficiency, high operation reliability and flexibility, and simple maintenance and management. it is suitable for large and medium-sized urban sewage and industrial wastewater treatment and other engineering fields.
shenzhen qingquan baf module (biological aerated filter module) product introduction:
main components
volcanic rock / ceramsite filter material, multifunctional filter pipe, aeration fan, backwash fan and backwash water pump.
main design parameters
residence time: 40 min~60 min (baf-c), 30 min~45 min (baf-n)
backwash parameters: gas washing strength: 12~14l/ (s m2), single wash strength: 6~9l/ (s m2)
water head loss: 1.2m~2.0m
water quality requirements
baf-c pool: cod < 200mg/l, ss < 50mg/l;
baf-n pool: cod < 70mg/l, ss < 30mg/l.
product selection
the baf module includes baf-c carbonization tank module and baf-n nitrifying pool module.
baf-c pool module index removal rate: cod > 85%
item | specifications （m3/d） | place of use | size | water application | operating weight （t） |
1 | 500 | sewage | l×w×h=3.2m×2.5m×3.0m | 1000m3/d~3000m3/d | 26 |
2 | 1000 | sewage | l×w×h=5.5m×3.0m×3.0m | 2000m3/d~6000m3/d | 53 |
3 | 2000 | sewage | l×w×h=7.0m×6.0m×3.0m | 4000m3/d~10000m3/d | 132 |
4 | 2500 | sewage | l×w×h=8.0m×6.0m×3.0m | 5000m3/d~15000m3/d | 151 |
5 | 4000 | sewage | l×w×h=7.0m×6.0m×4.5m | 8000m3/d~16000m3/d | 197 |
6 | 5000 | sewage | l×w×h=8.0m×6.0m×4.5m | 10000m3/d~30000m3/d | 225 |
7 | 10000 | sewage | l×w×h=10.5m×9.0m×4.5m | ≥30000m3/d | 439 |
the removal rate of baf-n module module is cod or more than 75%, nh4-n is more than 90%.
item | specifications （m3/d） | place of use | size | water application | operating weight （t） |
1 | 500 | sewage | l×w×h=2.5m×2.5m×3.0m | 1000m3/d~3000m3/d | 21 |
2 | 1000 | sewage | l×w×h=4.0m×3.0m×3.0m | 2000m3/d~6000m3/d | 39 |
3 | 2000 | sewage | l×w×h=9.0m×3.0m×3.0m | 4000m3/d~10000m3/d | 87 |
4 | 2500 | sewage | l×w×h=10.0m×3.0m×3.0m | 5000m3/d~15000m3/d | 96 |
5 | 4000 | sewage | l×w×h=10.0m×3.0m×4.5m | 8000m3/d~16000m3/d | 143 |
6 | 5000 | sewage | l×w×h=6.0m×6.0m×4.5m | 10000m3/d~30000m3/d | 170 |
7 | 10000 | sewage | l×w×h=12.0m×6.0m×4.5m | ≥30000m3/d | 337 |
the product features of shenzhen qingquan baf module (biological aerated filter module):
1. short construction period: factory precasting and modular assembly of products can save 50% construction period.
2. low operation cost: short residence time and low investment cost.
3. the effluent quality is good: the effluent stability reaches the first grade a standard, and the key index reaches the fourth level.
4. strong mobility: equipment can be mobile, recyclable, green.
5. strong anticorrosion capability: choose the international top anticorrosive coating with strong adhesion and 10 times of coating.
6. long service life: corrosion resistant and weathering steel. the service life is longer than 30 years.
7. low operating requirements: unattended, regular inspection, fully automated control, easy and reliable operation.
the standard parts module of shenzhen qingquan baf has been successfully applied to the expansion of a sewage treatment plant in linfen, shanxi, the treatment of circulating water in aquaculture in hainan and the control of the black and smelly water body of the river in guangdong, shenzhen.
shenzhen qingquan has been concentrating on research and development for 23 years, focusing on the upgrading of the urban sewage treatment plant, the increment of the quality of the water works, the deep treatment of industrial wastewater, the solution of the industrial aquaculture water, the reclaimed water reuse and the reclaimed water plant, and the intelligent modular water treatment for the world city water supply and drainage systems. the standard transformation provides an industry operation solution to save land, time, labor and money, and strive to create "intelligent modular water treatment equipment and solution guide". in the future, the company will continue to increase the investment in technology research and development, adhere to the advanced technology and applicability, and contribute to the development of the environmental protection industry.
