How to Supply Water and Drain Sewage for Mobile Toilets
There are various ways to supply water and drain sewage for mobile toilets, with common methods including conventional water-flushing, vacuum sewage systems, water-storage sewage systems, and direct drainage with fecal tanks.
Conventional Water-Flushing: This method requires connecting to both water supply and drainage pipes. During sewage disposal, flushing is triggered either manually or by an automatic sensor, washing away waste. The sewage then flows through the pipes to a septic tank or municipal sewer system. It is suitable for various water-rich environments, such as urban areas with well-established water and electricity facilities. By utilizing existing water supply and drainage systems, construction costs are relatively low, and operation is simple, similar to that of ordinary household toilets, but with a more compact overall structure for easy mobility and installation.
Vacuum Sewage System: Its principle relies on negative pressure. A vacuum pump creates a negative pressure environment, and when sewage and waste are generated in the public toilet, they are rapidly sucked into a collection container under the negative pressure. When the sewage in the public toilet reaches a preset water level, the vacuum pump automatically starts, quickly removing the sewage and waste. This method is highly efficient and uses minimal water, effectively preventing sewage leakage and odor diffusion. It is suitable for places with high hygiene requirements and water restrictions, such as large event venues and tourist attractions.
Water-Storage Sewage System: This also uses a water-flushing method but discharges waste into a storage tank. When the sewage in the public toilet reaches a preset water level, the flushing device automatically activates, flushing the waste into the storage tank. When the storage tank is full, it needs to be cleaned and replaced. This method is suitable for places with sufficient water supply and easy cleaning, such as small construction sites with dedicated management and temporary event venues.
Direct Drainage and Fecal Tanks: Direct drainage also involves connecting to water supply and drainage pipes for sewage disposal, similar to conventional water-flushing. Fecal tanks, on the other hand, collect waste in a tank, which is then periodically cleaned. Additionally, some mobile toilets have their sewage outlets at the rear, equipped with a 110mm sewage pipe and a 25mm water inlet pipe. They can be used by simply connecting them to the corresponding pipes on the ground, facilitating the installation and connection of mobile toilets.
