1, the reclaimed water collection system can be divided into two parts, the collection and treatment system and the recycling system. The two pipe networks are different. The reclaimed water is mainly used for washing mop or flushing toilets, and the water quality is difficult to guarantee.

2. Rainwater collection system, consisting of rainwater pretreatment system, rainwater storage system, rainwater purification system and rainwater control system, is a system that collects rainwater according to requirements and processes the collected rainwater to meet the design and use standards.