A. Pre-commissioning inspection work a. Check the structures and their ancillary facilities size, elevation is consistent with the design, piping and structures in the blockage. b. Check whether the total power supply and the equipment power supply is normal. c. Check whether meters, sensors and control cabinets are normal. d. Prepare all kinds of flocculants and other related chemicals.
Two, the content of the commissioning
1, trial operation: responsible for the installation of equipment after the stand-alone operation and the treatment unit structures of the water test. Including in the absence of water and has been into the water in two cases of sewage treatment equipment for trial operation, while checking the water level and elevation of water structures to meet the design requirements.
2, according to the equipment operation instructions, through the equipment, testing instruments whether the normal operation of the power control cabinet is working properly.
3, injected part of the sewage to be treated later, after the entire program operation, record the treatment effect and the provisions of the treatment standard comparison. Detect whether the results of the various treatment standards.
4, the whole process of sewage linkage test run, until the effluent water quality standards. This stage to further test the stability of the equipment, while realizing the automatic control system linkage.
5, activated sludge culture
Activated sludge culture is the essence of a period of time, through certain means, so that the treatment system produces and accumulates a certain amount of micro-organisms, and its cultivation methods are mainly continuous and intermittent.
Continuous culture: continuous culture refers to the activated sludge culture in the case of continuous water inlet and continuous water outlet. Intermittent cultivation: the cultivation mode of reciprocating cycle according to four stages such as water intake, aeration, sedimentation and skimming of supernatant is a cultivation mode that cannot meet the continuous operation with a small amount of water intake.
6, activated sludge domestication
The purpose of domestication is to select the microorganisms to adapt to the actual water quality, eliminating the useless microorganisms, for the treatment process of nitrogen and phosphorus removal function, through domestication to make the nitrifying bacteria, denitrifying bacteria, phosphorus polymerization of bacteria to become the dominant flora.
7, the determination of process control parameters
The design of the process control parameters are in the prediction of the water, water quality conditions determined, must be based on the actual amount of water quality to determine the appropriate process control parameters to ensure the normal operation and make the effluent water quality to meet the standards while reducing energy consumption as much as possible.