Self-Moving Toilet

A mobile toilet is a facility that can be moved as a whole, providing temporary or periodic toilet services to the public. It is mainly used to make up for the insufficient number or unreasonable layout of fixed public toilets.

Structural Composition and Classification

Mobile toilets are typically composed of fecal sewage storage tanks (or disposal devices), floor slabs, sanitary ware, walls, washing equipment, water tanks, roofs, and mobile devices. There are various classification methods:

• By structural form: They are divided into single-unit structures (independent units) and composite structures (combinations of multiple units).
• By mobility method: They include lifting/handling types (requiring mechanical assistance for movement) and powered/trailer types (with their own power or capable of being towed for movement).
• By sewage treatment method: They cover flush toilets (requiring a water source), waterless flush suction types (using vacuum suction for feces), recirculating flush types (with water recycling), and dry packing types (packaging feces for disposal).

Origin and Design Principles

Mobile toilets originated from the need for temporary toilets in specific scenarios such as large-scale events, disaster areas, and remote regions. Due to gaps in the layout of urban fixed public toilets, the government has placed them in areas where it is difficult to build fixed public toilets to alleviate the supply-demand imbalance. Their design follows three major principles:

• Mobility and cost-effectiveness: Lightweight and durable materials (such as aluminum alloy and anti-corrosion panels) are used, and height and width are controlled to meet transportation requirements. The mobile devices must be complete and reasonable.
• Environmental protection and ecology: Water consumption is reduced (for example, a mobile environmental protection public toilet only requires 0.46 liters of water per person). Special agents are used to purify sewage to avoid environmental pollution.
• Enhanced efficiency and humanitarian care: They are internally equipped with independent toilet pit partition treatment systems, non-slip floors, automatic flushing toilet bowls, and ventilation and lighting systems to improve user comfort.

Uniqueness of Mobile Environmental Protection Public Toilets

Mobile environmental protection public toilets are an upgraded version of mobile toilets. They use national standard steel welded frames and are covered with color steel plates or carved panels (anti-corrosion and fire-resistant), with a service life of over 20 years. Their core technologies include:

• Water-saving system: It automatically collects hand-washing water and adds agents to achieve ultra-low water volume flushing.
• Fecal treatment: The urine channel uses gravity for self-flow, and the feces channel is cleaned by a piston-type scraper mechanical device, reducing manual intervention.
• Safety and hygiene: They comply with the GBLT18091-92 standard and are equipped with non-slip floors, ventilation systems, and independent partitions to reduce the risk of cross-infection.

With their characteristics of mobility, combinability, and convenient transportation, mobile toilets have become an important supplement to urban public services, especially playing a crucial role in emergency scenarios and densely populated areas.