Principle of Water-Flush Mobile Toilet Vehicle
The principle of a water-flush mobile toilet vehicle mainly relies on a water-flush direct-discharge toilet bowl for excreta treatment, with core processes including water supply and flushing, excreta treatment, and discharge.
Water Supply and Flushing Process
The operational cycle of a water-flush mobile toilet vehicle begins with the water supply unit. A certain amount of clean water is pre-stored in the water storage tank, which is crucial for flushing after each use. After the user finishes, water is supplied from the tank, and the flow of water uses its own force to directly flush away the excreta in the toilet bowl, directing it into the corresponding sewage pipeline or treatment system. Some water-flush mobile toilet vehicles, when equipped with connections for both water supply and drainage, can directly use the force of water to flush the excreta into the sewer, achieving a flushing effect. This method is more convenient as long as there are suitable access points for water supply and drainage.
Excreta Treatment Process
Some water-flush mobile toilet vehicles are equipped with an on-site treatment system. The mixture of sewage and excreta enters a separation and preliminary treatment chamber located at the bottom of the vehicle body. Inside the treatment chamber, physical separation is first carried out through a specific filtration device. This process effectively retains solid substances, preventing them from entering subsequent treatment stages and causing blockages or affecting treatment efficiency. Subsequently, biochemical treatment comes into play. The treatment chamber is filled with specific microbial communities that use organic pollutants in the sewage as nutrients for metabolic activities, breaking them down into water, gases, and a small amount of stable inorganic substances. Through this biochemical treatment method, the chemical oxygen demand and ammonia nitrogen content in the wastewater can be significantly reduced, achieving preliminary purification of the wastewater.
Discharge Process
After biochemical treatment, if the liquid meets specific discharge standards, it can be directed to an independent discharge tank for storage. Under the premise of complying with local environmental protection regulations, this stored liquid can be extracted by professional service vehicles and transported to a sewage treatment plant for final disposal, ensuring no pollution to the environment.
