Mobile Toilet with Three Stalls

A mobile toilet with three stalls typically refers to a toilet unit with three squat toilets set up within an independent mobile container, with the core features being 'mobility' and 'multi-squat stall combination'. Its structural and functional design needs to take into account both outdoor usage requirements and hygiene standards, and can be divided into the following key parts:

1. Main Frame and Container Body
The main frame is mostly welded using galvanized square steel or aluminum alloy, featuring rust resistance and impact resistance, and can adapt to complex outdoor environments. For example, the frame life of products from Taihe Manufacturer can reach over 15 years. The container body is mainly made of metal carved panels, which combine thermal insulation, heat insulation, and waterproofing functions. The interior is waterproofed and equipped with ventilation windows or exhaust fans to ensure air circulation. Some models are also equipped with a management room for storing cleaning tools or serving as an operation space for staff.

2. Squat Stall Units
The three squat stalls are usually arranged side by side or separated according to the shape of the container body. Each unit includes a squat toilet, a flushing device (or a waterless flushing system), and a partition door. The partition doors are made of lightweight materials (such as aluminum alloy or PVC) and are equipped with locking devices to ensure privacy. For example, the economical and practical models are paired with gray and white metal carved panels, with all internal water and electricity fixtures in place, and can be used directly upon placement.

3. Excreta Treatment System

• Storage Tank Type: Common in most mobile toilets with three stalls, excreta is collected through single or multiple storage tanks (septic tanks). The Sanyuan-style toilet in Yangquan, Shanxi, falls into this category. Its septic tank consists of three tank bodies with a volume ratio of 2:1:3, with a total volume of no less than 1.5m³, achieving harmless treatment through graded sedimentation and fermentation.
• Recirculating Water Flush Type: Equipped with a water tank and a recirculating water treatment system, the flushing water is filtered and disinfected for reuse, saving water but with a complex structure and high maintenance costs.
• Dry/Packaging Type: Mechanical devices are used to pack excreta into biodegradable plastic bags, or foam sealing technology is utilized to reduce odors. No water is required, but the storage bags need to be replaced regularly or foaming agents need to be replenished.

4. Auxiliary Facilities
To enhance convenience of use, mobile toilets with three stalls are usually equipped with lighting systems (some powered by solar energy), handrails, hooks, storage shelves, and toilet paper holders. For example, products from Taihe Manufacturer have all internal fixtures in place and can be put into use directly without additional installation.

Mobile toilets with three stalls achieve rapid deployment and mobility through modular design, and are suitable for scenarios such as scenic spots, construction sites, and temporary events. Their structural and functional design needs to balance durability, hygiene, and cost to meet usage requirements in different environments.