Energy-Saving Specifications for Mobile Toilets

The energy-saving specifications for mobile toilets cover structural design, functional configuration, application of environmental protection technologies, and grading evaluation standards, with specific requirements as follows:

I. Structural Design Specifications

The structural design of mobile toilets must comply with the "Urban Public Toilet Design Standard" (CJJ 14-2016), with core requirements including:

1. Stability and Durability: High-strength materials (such as stainless steel and titanium-magnesium alloy) should be used to ensure structural stability and adaptability to complex outdoor environments.
2. Modular Design: Standardized modular assembly is encouraged to enable rapid installation and disassembly, reducing construction energy consumption and material waste. For example, detachable wall and roof designs facilitate later maintenance and upgrades.
3. Lightweight and Recyclability: Priority should be given to lightweight, corrosion-resistant, and recyclable materials (such as non-slip aluminum-plastic panel flooring) to reduce transportation energy consumption and extend service life.

II. Energy-Saving Requirements for Functional Configuration

Functional configurations should balance practicality and energy efficiency, including:

1. Water-Saving Devices:
   • Automatic Sensor Flushing Systems: Infrared or microwave sensors control flush volume to avoid human waste.
   • Handwashing Water Reuse for Flushing: Handwashing wastewater is collected and reused for flushing, achieving water resource recycling.
2. Energy-Saving Power Supply Systems:
   • Solar Power: Photovoltaic panels installed on roofs or facades provide clean energy for lighting, ventilation, and other equipment, in compliance with the "Green Building Evaluation Standard" (GB/T 50378-2019).
   • Low-Energy Lighting: LED fixtures with an IP65 or higher protection rating are selected to adapt to outdoor humid environments, reducing energy consumption by over 60% compared to traditional fixtures.
3. Rainwater Harvesting Systems: Rainwater is collected through gutters and filtration systems for flushing or greening irrigation, reducing reliance on municipal water supplies.

III. Application Specifications for Environmental Protection Technologies

Environmental protection technologies are central to energy saving in mobile toilets, with main solutions including:

1. Waterless Flushing Technologies:
   • Foam Sealing Type: Foaming agents generate a sealing layer to suppress odors, reducing water usage by over 90% compared to traditional water flushing.
   • Packaging Type: Degradable film bags collect excreta without water throughout the process, suitable for water-scarce areas.
2. Water Flushing Circulation Technologies:
   • Biological degradation or physical filtration treats sewage for greywater reuse, with single flush volumes controlled at 1-2 liters.
3. Environmental Friendliness of Materials:
   • Recyclable materials (such as aluminum alloy frames and recycled plastic fittings) are recommended to reduce resource consumption.
   • Non-slip aluminum-plastic panels are used for flooring, avoiding high-energy-consuming materials like tiles.

IV. Grading and Evaluation Standards

According to the "Grading and Evaluation Standards for the Quality of Tourist Toilets" (GB/T 18973-2016), requirements for energy-saving facilities vary by grade as follows:

• AAA Grade: Mandatory requirements include solar power, rainwater harvesting systems, and water-saving devices, with a material recyclability rate of at least 80%.
• AA Grade: Water-saving flushing systems and LED lighting are required, with renewable energy use encouraged.
• A Grade: Basic configurations must meet water-saving requirements, such as sensor flushing or manual water-saving valves.

By adhering to these specifications, mobile toilets can achieve a balance between efficient resource utilization and environmental friendliness, promoting sustainable development of public facilities.