Back to blog
Article

Shield Machine Dedicated Mobile Toilet

Admin October 08, 2026

Currently, there is no specific product strictly designed as a 'dedicated mobile toilet' specifically for shield machines. However, based on the characteristics of the working environment of shield machines, we can analyze the possible features and alternative solutions it might have.

Demand Characteristics of Toilets in the Working Environment of Shield Machines

Shield machines are mainly used for underground tunnel excavation construction. The working space is relatively enclosed and narrow, and the construction period is long, with staff working inside for extended periods. This places special requirements on the supporting toilet facilities. They need to have the characteristic of small space occupation to adapt to the limited space layout inside the shield machine; good airtightness to prevent the spread of odors and affect the working environment; ease of movement and installation/disassembly because as the shield machine advances during construction, the toilet facilities should be able to conveniently follow and move or be reinstalled; sewage treatment capability as, due to underground operations, sewage cannot be discharged randomly, and a reasonable treatment method is required.

Possible Alternative Solutions

  • Small mobile environmental-friendly toilets: Some small mobile environmental-friendly toilets adopt a compact design, occupying a small area, and are suitable for placement in relatively spacious corners inside the shield machine. These toilets usually adopt a sealed structure, effectively preventing the leakage of odors. At the same time, they are equipped with sewage treatment devices, such as biodegradation treatment systems or chemical treatment systems, to treat feces and sewage and reduce the impact on the environment. Moreover, they can be moved as a whole, and when the shield machine advances, they can be conveniently hoisted to a new location for reinstallation and use.
  • Container toilet modification: Standard containers are used for modification, and suitable specifications are customized according to the internal space dimensions of the shield machine. Containers themselves have good airtightness and structural strength. Inside, sanitary facilities such as toilets and sinks can be installed according to requirements, and sewage collection and preliminary treatment devices can be set up. This modified toilet can be moved and rearranged according to the construction progress using hoisting equipment to meet the needs of shield machine operations.