①: water quality and quantity. Rural sewage treatment projects into the water, water quality fluctuations, so when customizing integrated wastewater treatment equipment to try to grasp the relative accuracy of the amount of water, water quality data, to avoid the design of water and the actual amount of water is too large a difference in the problem.
②: clear sewage discharge standards. Different sewage treatment standards lead to different processes, so we are required to clarify the rural sewage discharge standards, so as to choose the corresponding process.
③: clear equipment material and installation form. Rural sewage treatment equipment material is divided into glass fiber reinforced plastic, carbon steel, stainless steel, etc., according to the different construction methods are divided into above-ground, buried, semi-buried. Need to determine the actual needs of the project combined with equipment materials and installation forms.
4: the project location climate, terrain conditions. China's climate, terrain differences are huge, such as the northeastern region of the permafrost layer is thicker, the need for additional equipment to increase the heat preservation measures. Part of the mountain transportation construction, lifting difficulties, for the size of the equipment needs to have a clear parameter requirements.