SITE – Tube Air Diffusers
EQUIPMENT – Tesla (Shanghai) Co., Lingang Development Zone, Pudong New Area, Shanghai
YEAR OF COMMISSIONING – May 2019
Introduction:
On May 10th 2018 Tesla (Shanghai) Co., Ltd. was established in Lingang Development Zone, Pudong New Area, Shanghai. The company is engaged in technology development, technical services in the fields of electric vehicles and parts, batteries, energy storage equipment and photovoltaic products. Electric vehicles, technology, wholesale, consulting, commissioning as well as import and export business of the above-mentioned products and supporting services constitutes the business of the company.
Tesla Gigafactory is the largest foreign manufacturing project in Shanghai to date, and it is also Tesla’s first Gigafactory outside of the United States. Tesla has invested over 2 billion USD in the components plant in China in order to localize the supply chain and is preparing to expand the factory’s production capacity.
As Esmil diffusers has the advantages of stable performance, strong aeration capacity and low energy consumption, the owner decided to use Esmil tube air diffusers for the local WWTP.
Esmil diffuser parameters
| Outer diameter | 120 mm (Threaded to DN100) |
| Total length | 1020/2025 mm |
| Model | APKV-1 / APKV-2 |
| Disperser length | 940/1945 mm |
| Dry weight | 4/8 kg |
| Design air flow | 8-25/16-50 Nm3/h |
On-site
After detailed investigation of the on-site data, aeration tank conditions and blowers, we recommended arrangement of the diffusers accordingly. The installation of Esmil tube air diffusers was completed on the 30th of May 2019. The equipment operates smoothly since then.
| Aeration system length | 64 r.m. |
| Air volume of the blowers | 1200 m3/h (2 blowers, each blower: 20m3/min) |
| Air volume per diffuser | 18.75 m3/h/m |
| Tank bottom coverage | 10.7% (percentage of the diffuser active area in relation to the bottom area of the tank) |
| SOTE | 0.6 m of aerator per 1 m2 of the tank bottom |
| Distribution of aerators | 33.5% (SSOTE 6.7% depth 5m) |
| Pressure loss | 140 mm H2O |
Esmil tube air diffusers layout
