Mobile Toilet - Foam

Foam-type mobile toilets are a new type of energy-saving and environmentally friendly toilet that utilizes low-water-content foam for fecal flushing and odor blocking. They have significant advantages such as water conservation, power conservation, and odor prevention, making them suitable for temporary or mobile scenarios without drainage facilities.

Core Working Principle

Foam-type mobile toilets generate low-water-content foam by mixing a foaming agent with water through a foaming device. The foam has high lubricity and sealing properties, which can replace traditional water flushing methods: The foam layer covers the drainage outlet to form a physical seal, blocking the diffusion of odors; at the same time, it lubricates the surface of feces, reducing friction and allowing waste to smoothly slide into the fecal storage tank. Its core devices include a foaming cylinder, a liquid storage tank, a liquid level balancing tank, etc. The U-shaped tube principle is used to stabilize the amount of foaming liquid, and compressed air is used to generate a long-lasting foam layer, ensuring stable flushing effects.

Technical Advantages and Characteristics

1. Water and Power Conservation: The water consumption per person is only about 0.04 liters, and the daily power consumption does not exceed 0.2 degrees, which is much lower than that of traditional water-flushing toilets (usually requiring 6-12 liters per use). The waterless foaming technology proposed in the 2024 utility model patent has been further optimized. After integrating a fecal biochemical processor, it decomposes feces through microbial bacteria and builds a circulating water system, achieving a water-saving rate of over 99% and nearly zero water consumption.
2. Significant Odor Prevention Effect: The foam layer effectively blocks the drainage outlet, preventing odors from coming into contact with the outside environment while inhibiting bacterial growth and reducing odor production.
3. Strong Adaptability: The equipment uses lightweight building materials, making it easy to move and install. It has a wide operating temperature range and can function normally in environments from -40°C to 50°C, making it suitable for places without drainage facilities such as scenic spots, construction sites, and temporary events.
4. Low Maintenance Cost: Foam flushing reduces the risk of pipe blockages, and the fecal storage tank only needs to be cleaned regularly, eliminating the need for complex pipeline maintenance.

Technological Iteration and Application

The technology of foam-type mobile toilets has been continuously optimized through patent improvements. The 2024 new technology combines waterless foaming with biochemical treatment to achieve fecal resource utilization and water resource recycling, further reducing the environmental load. Currently, there are various branded products on the market that can be customized in terms of specifications and functions according to usage scenarios (such as pedestrian traffic and climatic conditions) to meet diverse needs.