Emergency Drinking Producing System 紧急饮水制备系统
1 General Description
The whole system consists of 3 standard 40” containers that can be normally transported by trucks or ship to the catastrophe region and connected in 30-40 hours in site for ready to produce the drinking water.
The raw water used by the system can be seawater, brackish water or other dirty natural water.
The system can be operated continuously, and produces from 600 m3 per day (standard version) to 1000 m3/day (enlarged version) drinking water with WHO’ quality.
The system works with a “switch on and run” mode, the fully automatic operation means that skilled operator is not necessary .
The system can be transported either by net power or by an emergency diesel generator at 380/400v, 50Hz AC with a total power consumption of 300kWh.
2 Highlights of The System:
The first container – the pre-treatment system of the raw water.
The system features as:
In view of the evil circumstance of the catastrophe region, mainly the traditional sand filtration technique is used as usual in this case. It is, however, possible to use the micro- or ultra-filtration techniques in the container if the customer wishes.
To guarantee a smooth operation of the sand filter, an on-line self-washing guard filter has, before the sand filters, been installed. Therefore the system is widely applicable to various raw water, e.g. a heavy SS polluted sea water;
A fully automatic PLC controller allows the system ”switch on and run” without a skilled operator;
All pre-treatment equipments in the container such as the on-line self-washing guard filter, the sand filters, the air driven valves, air compressor and control cabinet are so installed and fixed firmly that it can be transported in a critical condition;
All materials used for the sea water contact parts of the pre-treatment system are 316L stainless steel or PVC.
All chemical dosing units are automatically operated and the storage tanks of the chemicals are reliably protected.
The pre-treatment container has the size of 2590 x 12190 x 2440 (H*W*D : mm) as the standard 40”container.
The inside of the container is air-conditioned during operation.
The power requirement of the pre-treatment container is 45kWh.
The total gross weight of the pre-treatment system including the container itself is 18500kg.
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