Qionghai Foam-Sealing Mobile Toilet
The Qionghai foam-sealing mobile toilet is a public sanitation facility that utilizes foam-sealing technology, offering water-saving and environmental protection advantages. Below are its core principles, features, and application scenarios:

Working Principle
The foaming device mixes a specific ratio of liquid and air to generate fine, uniform microbubble clusters, forming a flexible foam barrier that covers the excretion channel. This barrier prevents the reverse diffusion of gases in the pipeline through physical isolation while reducing the contact area between liquid and air, resulting in a single flush water consumption reduction of approximately 80% compared to traditional water flushing methods. The foam system has a self-cleaning function: when new foam is generated, old foam carries impurities along the pipeline, achieving automatic cleaning and reducing the need for manual maintenance.
Core Features
- Significant Odor Control: The foam layer forms a physical barrier, preventing gas escape, and the foam itself can adsorb odor molecules, offering better control than traditional toilets.
- Low Risk of Blockage: The foam has strong fluidity, and with the pushing effect of new foam, the probability of pipeline blockage is lower than that of traditional water flushing systems. However, proper usage is required to avoid foreign objects entering.
- Simple Structure and Easy Maintenance: The core components include a foaming liquid storage tank, an air pump, a mixing generator, and a control module. Daily maintenance only requires regular replenishment of foaming raw liquid and inspection of the air pump status. A single system can operate continuously for thousands of times.
- Energy Efficiency and Environmental Protection Advantages: The water-saving feature reduces energy consumption for water supply treatment and decreases the total amount of waste, alleviating the burden on end-of-pipe treatment. It is suitable for scenarios with limited water supply or poor drainage conditions.
- Outstanding Economic Efficiency: Although the initial investment is slightly higher than that of traditional toilets, the long-term savings on water bills and sewage treatment costs are significant. Under normal usage frequency, the difference can be offset within a few months.
- Intelligent Upgrades: The new generation of systems is equipped with intelligent monitoring functions that can automatically prompt the remaining amount of consumables, record usage times, and monitor operating status, enhancing equipment reliability.
Application Scenarios
In Qionghai, this technology is widely used in outdoor temporary events (such as music festivals, sports events), tourist attractions (especially remote areas without pipeline networks), construction sites, and other scenarios, providing hygienic and convenient toilet solutions for areas with high pedestrian traffic or weak infrastructure.




